Urea enzyme method intelligent diagnostic instrument for helicobacter pyloriTechnical Field
The utility model relates to a diagnostic apparatus, especially a urease method helicobacter pylori intelligent diagnosis appearance belongs to the diagnostic technical field of helicobacter pylori.
Background
Helicobacter pylori (Hp) has been identified as a major causative factor of chronic gastritis, peptic ulcer. Helicobacter pylori infection can cause congestion and edema of gastric mucosa, even form erosion and ulcer, and is closely related to gastric cancer. Therefore, how to diagnose helicobacter pylori infection quickly and accurately is a major topic facing the medical community today.
In medicine, pharmacy and biology, the spectrum technology can be used for analyzing drugs, anesthetics, stimulants and metabolites thereof in biological body fluid, accurately measuring carbamate pesticides in blood and urine samples, identifying melanocyte tumors and pigmented nevus in dermatology, diagnosing diaper dermatitis caused by candida and exploring the formation mechanism and process of atherosclerosis. The method can also be used for rapidly classifying and identifying bacteria, researching the structure of biomacromolecules such as protein, nucleic acid and the like, researching complex systems of cells and tissues, carrying out early diagnosis of tumors and clinical medical auxiliary diagnosis of other various diseases, evaluating various preparation formulations, researching the relationship between crystal forms and drug effects of polymorphic drugs, distinguishing drug isomers, researching chemical reaction processes in drug synthesis, evaluating the purity and quality of reaction products and the like. In addition, infrared spectroscopy is one of the bases for drug identification, and the chemical structure of an unknown drug can be determined by combining with other spectral analysis.
At present, the main method for diagnosing helicobacter pylori infection in the stomach in the medical field is a gastric mucosa pathological biopsy method, patients need suffering from living tissue sampling, and false positive misdiagnosis is easily caused due to focal distribution of helicobacter pylori. Therefore, there is an urgent need to develop a highly efficient and accurate diagnostic kit for helicobacter pylori.
Disclosure of Invention
The utility model aims at overcoming the not enough of existence among the prior art, provide a urease method helicobacter pylori intelligent diagnosis appearance, its compact structure can realize intellectual detection system to helicobacter pylori under adopting the urease method, improves the detection efficiency and the detection precision to helicobacter pylori, safe and reliable.
According to the technical scheme provided by the utility model, diagnostic apparatus is examined to urease method helicobacter pylori intelligence, including the shell body and set up in be used for gathering the image collector of urease reaction kit image information in the shell body, still set up the kit motion actuating mechanism that is used for driving the motion of urease reaction kit and be used for accomodating the waste material box of urease reaction kit after the diagnosis in the shell body, kit motion actuating mechanism corresponds with the kit import on the shell body, the waste material box is located the below of kit motion actuating mechanism in the shell body;
The device also comprises a diagnosis controller electrically connected with the image collector and the kit motion driving mechanism, when the urease reaction kit enters the outer shell through the kit inlet, the diagnosis controller drives the urease reaction kit to move towards the lower part of the image collector through the kit motion driving mechanism, so that the diagnosis controller controls the image collector to collect image information of the urease reaction kit;
the diagnosis controller can obtain the diagnosis information of the helicobacter pylori according to the image information of the urease reaction kit acquired by the image acquirer, and after the diagnosis information of the helicobacter pylori is obtained, the diagnosis controller controls the motion driving mechanism of the kit to send the urease reaction kit into the waste box.
The diagnosis controller is also electrically connected with a display screen for information display and a key circuit capable of transmitting control commands to the diagnosis controller, and the display screen, the key circuit and the reagent kit inlet are all positioned on the same surface of the outer shell.
The image collector comprises a camera, and a light shield used for covering the image collector is arranged in the outer shell.
The kit movement driving mechanism comprises a support body, a support plate matched with the urease reaction kit and a kit roller capable of driving the urease reaction kit entering the inlet of the kit to move to the support plate, the image collector is mounted at the upper end of the support body through a collector mounting plate, and when the image collector is mounted on the support body through the collector mounting plate, the image collector is positioned right above the support plate;
The support body is also provided with a roller rotation driving mechanism for driving the rollers of the kit to rotate and a carrier plate movement driving mechanism for driving the carrier plate to move, and after the carrier plate movement driving mechanism drives the carrier plate to move, the urease reaction kit positioned above the carrier plate can fall into a waste box.
The bracket body is also provided with a pinch roller for pressing the urease reaction kit towards the direction of the kit roller, and the pinch roller is positioned above the kit roller; the roller driving mechanism comprises a first driven gear which is in adaptive connection with a roller of the kit, the first driven gear can be meshed with a driving gear on the support body, and the driving gear is connected with an output shaft of the driving motor.
the support plate movement driving mechanism comprises a second driven gear capable of being meshed with the driving gear and a connecting rack meshed with the second driven gear, and the connecting racks are vertically distributed;
The connecting rack is positioned on the outer side of the bracket body and is connected with one end of the carrier plate, which is relatively far away from the reagent kit roller, through the carrier plate rack connecting body, and when the connecting rack moves towards the direction close to the waste box, the urease reaction reagent kit on the carrier plate can fall into the waste box.
The carrier plate rack connecting body comprises a carrier plate connecting block connected with the end part of a carrier plate, a middle transition block connected with the carrier plate connecting block and a rack connecting rod connected with the middle transition block, wherein the rack connecting rod and the carrier plate connecting block are respectively positioned at two ends of the middle transition block below the carrier plate connecting block and the carrier plate;
The rack connecting rod penetrates through the support positioning hole and can be connected with the connecting rack, and when the connecting rack moves vertically, the rack connecting rod can move synchronously in the support positioning hole.
the rack positioning holes are formed in the connecting rack, penetrate through the connecting rack and are distributed along the length direction of the connecting rack, the rack positioning holes correspond to the support positioning holes, the rack connecting rod penetrates through the support positioning holes and the rack positioning holes and then is connected with the rack, and the rack connecting rod is fixedly connected with the connecting rack through the connecting rod locking block.
one end of the waste box is provided with a box body handle groove, and the waste box can be pulled out from the outer shell body through the box body handle groove.
The outer shell includes the lower casing that is used for supporting the waste box and with the last casing of lower casing adaptation, go up the casing include the rear portion shell and with the front portion shell of rear portion shell pair usefulness.
The utility model has the advantages that: the urease reaction kit is characterized in that a kit inlet is formed in the outer shell, the urease reaction kit entering the outer shell through the kit inlet can be driven by the kit movement driving mechanism and then is located below the image collector, so that the urease reaction kit is subjected to image collection by the image collector, the diagnosis controller judges whether a specimen in the urease reaction kit infects helicobacter pylori according to image information of the image collector, the diagnosis controller can output diagnosis information of the urease reaction kit through a display screen, and after the urease reaction kit is diagnosed, the urease reaction kit can be sent into a waste box, so that intelligent detection of the helicobacter pylori under the urease method can be achieved, the detection efficiency and the detection precision of the helicobacter pylori are improved, and the urease reaction kit is safe and reliable.
Drawings
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the present invention with the front shell removed.
Fig. 3 is a schematic view of the waste box and the lower housing of the present invention.
Fig. 4 is a schematic diagram of the movement driving mechanism of the reagent kit of the present invention.
Fig. 5 is a perspective view of the motion driving mechanism of the reagent kit of the present invention.
Fig. 6 is a sectional view of the movement driving mechanism of the reagent kit of the present invention.
Fig. 7 is a schematic structural view of the motion driving mechanism of the reagent kit of the present invention.
Fig. 8 is a block diagram of the present invention.
description of reference numerals: 1-lower shell, 2-rear shell, 3-front shell, 4-display screen, 5-kit inlet, 6-function key, 7-drop key, 8-conveying key, 9-box body handle groove, 10-shell handle, 11-light shield, 12-carrier plate, 13-waste box, 14-bracket body, 15-urease reaction kit, 16-kit roller, 17-pinch roller, 18-image collector, 19-collector mounting plate, 20-mounting plate connecting block, 21-connecting rack, 22-rack positioning hole, 23-driving motor, 24-driving gear, 25-first driven gear, 26-bracket positioning hole, 27-middle transition block, 28-connecting rod locking block, 28-waste box, and waste box, 29-rack connecting rod, 30-carrier plate connecting block, 31-locking bolt, 32-second driven gear, 33-kit motion driving mechanism, 34-diagnosis controller and 35-key circuit.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1, 2, 3 and 8: in order to realize intelligent detection on helicobacter pylori by adopting a urease method and improve the detection efficiency and detection precision on the helicobacter pylori, the utility model discloses a shell body and an image collector 18 which is arranged in the shell body and is used for collecting the image information of a urease reaction kit 15, a kit motion driving mechanism 33 for driving the urease reaction kit 15 to move and a waste box 13 for accommodating the diagnosed urease reaction kit 15 are also arranged in the shell body, the kit motion driving mechanism 33 corresponds to a kit inlet 5 on the shell body, and the waste box 13 is positioned below the kit motion driving mechanism 33 in the shell body;
The device also comprises a diagnosis controller 34 which is electrically connected with the image collector 18 and the kit movement driving mechanism 33, when the urease reaction kit 15 enters the outer shell through the kit inlet 5, the diagnosis controller 34 drives the urease reaction kit 15 to move towards the lower part of the image collector 18 through the kit movement driving mechanism 33, so that the diagnosis controller 34 controls the image collector 18 to collect image information of the urease reaction kit 15;
The diagnosis controller 34 can obtain the diagnosis information of helicobacter pylori according to the image information of the urease reaction kit 15 acquired by the image acquirer 18, and after the diagnosis information of helicobacter pylori is obtained, the diagnosis controller 34 controls the kit movement driving mechanism 33 to feed the urease reaction kit 15 into the waste box 13.
Specifically, the shell body adopts the material that accords with medical standard to make, and urease reaction kit 15 is the current kit that can detect helicobacter pylori commonly used, and urease reaction kit 15 includes the box body bottom plate and is located gel piece on the box body bottom plate, the box body bottom plate is the rectangle form, and the protruding box body bottom plate that locates of gel piece utilizes gel piece and sample cooperation, judges through the situation of change of gel piece colour whether the sample has the condition of helicobacter pylori infection. At present, the color change of the gel block of the urease reaction kit 15 is judged by the condition observed by human eyes, so that the judgment is misjudged greatly, and the judgment precision is low.
The embodiment of the utility model provides an in, set up kit import 5 on the shell body, through kit import 5 can allow treat that diagnostic urease reaction kit 15 puts into in the shell body to utilize the image collector 18 collection in the shell body be located the image information of shell body internal urease reaction kit 15. In specific implementation, after one end of the urease reaction kit 15 enters the outer shell through the kit inlet 5, the diagnostic controller 34 can control the kit motion driving mechanism 33 to convey the urease reaction kit 15 to the lower part of the image collector 18, so that the gel block of the urease reaction kit 15 is just corresponding to the image collector 18 or is positioned in the image collection range of the image collector 18.
after the image collector 18 collects the image of the gel block of the urease reaction kit 15, the image collector 18 can transmit the collected information of a plurality of images to the diagnostic controller 34, so that the diagnostic controller 34 can determine whether the color of the gel block of the urease reaction kit 15 is changed according to all the collected information of the images. When the diagnosis controller 34 judges that the color of the gel block of the urease reaction kit 15 has changed according to the image information, it can judge that the current specimen has helicobacter pylori infection, otherwise, the diagnosis controller 34 can judge that the current specimen does not have helicobacter pylori infection. When the diagnosis controller 34 diagnoses the urease reaction kit 15 and obtains the diagnosis information of the corresponding helicobacter pylori, the diagnosis controller 34 sends the urease reaction kit 15 into the waste box 13 at the lower part in the outer shell body through the kit movement driving mechanism 33 so as to prepare for the subsequent diagnosis of a new urease reaction kit 15.
The embodiment of the utility model provides an in, in order to improve diagnostic efficiency, the ambient temperature about 37 ℃ need be arranged in to whole diagnostic apparatus, under 37 ℃ ambient temperature, can accelerate the colour change of gel piece on urease reaction kit 15. In specific implementation, the diagnosis controller 34 may adopt an existing common microprocessor, such as a single chip microcomputer, and may be specifically selected as needed, which is not described herein again. Image collector 18 may take the form of a camera or the like.
In addition, after the urease reaction kit 15 is fed below the image collector 18 by the kit motion driving mechanism 33, the image collector 18 continuously collects images of the urease reaction kit 15 and transmits the collected image information to the diagnosis controller 34 in real time, so that the diagnosis controller 34 can output corresponding diagnosis information of helicobacter pylori in time according to the image information. Generally, when the diagnosis controller 34 judges the presence of helicobacter pylori infection on the basis of the image information, the diagnosis controller 34 stops the image acquisition of the urease reaction kit 15 by the image acquirer 18, and immediately sends the urease reaction kit 15 into the waste box 13 by the kit movement driving mechanism 33.
when the diagnosis controller 34 does not judge that the helicobacter pylori infection exists according to the image information, the diagnosis controller 34 controls the image collector 18 to continuously collect the image information of the urease reaction kit 15 within a period of time, wherein the time can be specifically set according to needs and generally can be two minutes, when the helicobacter pylori infection still cannot be determined according to the image information after the time exceeds two minutes, the diagnosis controller 34 also stops the image collection of the urease reaction kit 15 by the image collector 18, and immediately sends the urease reaction kit 15 into the waste box 13 through the kit movement driving mechanism 33, and at the moment, the diagnosis controller 34 outputs the diagnosis information that the helicobacter pylori is not infected by the specimen.
Further, the outer case includes a lower case 1 for supporting a waste box 13 and an upper case fitted to the lower case 1, and the upper case includes a rear case 2 and a front case 3 for facing the rear case 2.
The embodiment of the utility model provides an in, shell body 1 includes casing 1, rear portion shell 2 and anterior shell 3 down, and casing 1, rear portion shell 2 and anterior shell 3 can enclose synthetic shell body down. The rear shell 2 and the front shell 3 are positioned above the lower shell 1, and the rear shell 2, the front shell 3 and the lower shell 1 can enclose a relatively closed shell. The rear shell 2, the front shell 3 and the lower shell 1 are mutually connected and assembled to form an outer shell, a common matching form can be adopted among the lower shell 1, the rear shell 2 and the front shell 3, and the lower shell, the rear shell and the front shell can be specifically selected according to needs, and the details are not repeated.
In specific implementation, a box body handle groove 9 is formed in one end of the waste box 13, and the waste box 13 can be pulled out of the outer shell body through the box body handle groove 9. The waste box 13 is supported in the lower casing 1, and the waste box 13 can be pulled out from the outer casing through the box body handle groove 9, namely, the waste collection of the urease reaction kit 15 collected and diagnosed in the waste box 13 is facilitated. A housing handle 10 is provided on the top of the rear housing 2, the housing handle 10 being hinged to the rear housing 2, with the housing handle 10 being able to move the entire outer housing to a desired position. The reagent cartridge inlet 5 is arranged on the front shell 3, and the reagent cartridge inlet 5 penetrates through the front shell 3.
further, the diagnosis controller 34 is electrically connected with a display screen 4 for displaying information and a key circuit 35 capable of transmitting control commands to the inside of the diagnosis controller 34, and the display screen 4, the key circuit 35 and the reagent kit inlet 5 are all located on the same surface of the outer shell.
In the embodiment of the utility model, the display screen 4 and the key circuit 35 are both arranged on the front shell 3, the display screen 4 can be used for outputting the diagnosis information obtained by the diagnosis controller 34, the key circuit 35 comprises a function key 6, a drop key 7 and a conveying device 8, wherein, the function key 6 can transmit function information into the diagnosis controller 34, such as selecting the image acquisition time of the image acquisition device 18 for acquiring the urease reaction kit 15, the number of the acquired images and the like, when the drop information is transmitted into the diagnostic controller 34 through the drop key 7, the diagnostic controller 34 sends the urease reaction cartridge 15 into the waste cartridge 13 through the cartridge movement driving mechanism 33, when the transport key 8 is pressed, the diagnosis controller 34 feeds the urease reaction kit 15 entered from the kit inlet 5 into the position right below the image collector 18 or within the image collection range of the image collector 18 by the kit movement driving mechanism 33. The display screen 4 may also be a touch screen, so that corresponding information can be transmitted into the diagnostic controller 34 by means of the touch screen. The diagnosis controller 34 and the display screen 4 may be in the form of an integrated machine, and the diagnosis controller 34 and the display screen 4 may be in the form of an existing commonly used matching form, which may be specifically selected as needed, and will not be described herein again.
In addition, the image collector 18 includes a camera, and a light shield 11 for covering the image collector 18 is provided in the outer housing. The embodiment of the utility model provides an in, lens hood 11 can cover on image collector 18, utilizes lens hood 11 can avoid image collector 18 to expose at the during operation excess, avoids the image that image collector 18 gathered to influence the judgement of diagnosis controller 34 to the condition whether the sample infects helicobacter pylori.
As shown in fig. 4, 5, 6 and 7, the reagent kit movement driving mechanism 33 includes a support body 14, a support plate 12 adapted to the urease reaction reagent kit 15, and a reagent kit roller 16 capable of driving the urease reaction reagent kit 15 entering the reagent kit inlet 5 to move onto the support plate 12, the image collector 18 is mounted at the upper end of the support body 14 through a collector mounting plate 19, and when the image collector 18 is mounted on the support body 14 through the collector mounting plate 19, the image collector 18 is located right above the support plate 12;
And a roller rotation driving mechanism for driving the reagent kit rollers 16 to rotate and a carrier plate movement driving mechanism for driving the carrier plate 12 to move are further arranged on the support body 14, and after the carrier plate movement driving mechanism drives the carrier plate 12 to move, the urease reaction reagent kit 15 positioned above the carrier plate 12 can fall into the waste box 13.
The embodiment of the utility model provides an in, stake body 14 is located the top of rubbish box 13, and support plate 12 and kit gyro wheel 16 all are located stake body 14, and image collector 18 passes through collector mounting panel 19 to be installed in the lower part of stake body 14, and image collector 18 is located the side that corresponds with support plate 12 on collector mounting panel 19, and collector mounting panel 19's another side view sets up mounting panel connecting block 20, through mounting panel connecting block 20 can with being connected of lens hood 11. The reagent kit roller 16 can rotate in the support body 14, when the urease reaction reagent kit 15 enters the support body 14 through the reagent kit inlet 5, the length direction of the support plate 12 is consistent with the length direction of the urease reaction reagent kit 15, when the urease reaction reagent kit 15 enters the support body 14 through the reagent kit inlet 5, one end of the urease reaction reagent kit 15 is close to the support plate 12 and is in contact with the reagent kit roller 16, and when the reagent kit roller 16 is driven to rotate through the roller rotation driving mechanism, the urease reaction reagent kit 15 can be conveyed onto the support plate 12 through the contact of the reagent kit roller 16 and the urease reaction reagent kit 15.
After the urease reaction kit 15 is placed on the carrier plate 12, the gel block of the urease reaction kit 15 generally needs to be aligned with the image collector 18. In specific implementation, the diagnosis controller 34 may determine whether the gel block of the urease reaction kit 15 corresponds to the image acquirer 18 according to the image information acquired by the image acquirer 18, when the gel block of the urease reaction kit 15 does not correspond to the image acquirer 18, the diagnosis controller 34 needs to continue to drive the kit roller 16 to rotate through the roller rotation driving mechanism until the gel block of the urease reaction kit 15 corresponds to the image acquirer 18, and at this time, the diagnosis controller 34 stops the roller rotation driving mechanism from driving the rotation of the kit roller 16, so that the image acquirer 18 can stably perform continuous image acquisition on the urease reaction kit 15 within a set time. Of course, in specific implementation, other position detection forms may be adopted to determine the positive correspondence between the urease reaction kit 15 and the image collector 18, and the specific form may be selected as required, and will not be described herein again. After the diagnosis of the urease reaction kit 15 is completed, the diagnosis controller 34 drives the carrier plate 12 to move by the carrier plate movement driving mechanism, and the urease reaction kit 15 after the diagnosis is sent into the waste box 13.
Further, a pressing wheel 17 for pressing the urease reaction kit 15 towards the direction of the kit roller 16 is further arranged on the support body 14, and the pressing wheel 17 is positioned above the kit roller 16; the roller driving mechanism comprises a first driven gear 25 which is in adaptive connection with the reagent kit roller 16, the first driven gear 25 can be meshed with a driving gear 24 on the support body 14, and the driving gear 24 is connected with an output shaft of the driving motor 23.
The embodiment of the utility model provides an in, all set up pinch roller 17 at the both ends of kit gyro wheel 16, when urease reaction kit 15 and the contact of kit gyro wheel 16, pinch roller 17 can compress tightly urease reaction kit 15 on kit gyro wheel 16 to when kit gyro wheel 16 rotates, can effectively carry urease reaction kit 15 to support plate 12 on. First driven gear 25, driving gear 24 and driving motor 23 are located same one side of stake body 14, and when driving motor 23 rotated, driving gear 24 can follow driving motor 23's pivot synchronous rotation, and first driven gear 25 rotates along with driving gear 24 to can drive kit gyro wheel 16 and rotate, realize that kit gyro wheel 16 rotates the back and carry urease reaction kit 15 to support plate 12 on.
Further, the carrier plate movement driving mechanism comprises a second driven gear 32 capable of being meshed with the driving gear 24 and a connecting rack 21 meshed with the second driven gear 32, and the connecting racks 21 are vertically distributed;
The connecting rack 21 is located on the outer side of the bracket body 14, the connecting rack 21 is connected with one end of the carrier plate 12, which is relatively far away from the reagent kit roller 16, through a carrier plate rack connecting body, and when the connecting rack 21 moves towards the direction close to the waste box 13, the urease reaction reagent kit 15 on the carrier plate 12 can fall into the waste box 13.
The embodiment of the utility model provides an in, second driven gear 32, first driven gear 25 are located the both sides of driving gear 24 respectively, and connecting rack 21 is located the outside of second driven gear 32, and connecting rack 21 is vertical distribution, and connecting rack 21 can paste the stake body 14 and go up and down. When the connecting rack 21 moves in a direction close to the waste box 13, the end of the carrier plate 12 relatively far from the reagent kit roller 16 can be inclined downward, so that the urease reaction reagent kit 15 on the carrier plate 12 falls into the waste box 13.
Further, the carrier plate rack connector comprises a carrier plate connecting block 30 connected with the end of the carrier plate 12, a middle transition block 27 connected with the carrier plate connecting block 30, and a rack connecting rod 29 connected with the middle transition block 27, wherein the rack connecting rod 29 and the carrier plate connecting block 30 are respectively located at two ends of the middle transition block 27 below the carrier plate connecting block 30 and the carrier plate 12;
The support positioning hole 26 is formed in the support body 14, the length direction of the support positioning hole 26 on the support body 14 is consistent with the length direction of the connecting rack 21, the rack connecting rod 29 penetrates through the support positioning hole 26 to be connected with the connecting rack 21, and when the connecting rack 21 moves vertically, the rack connecting rod 29 can move synchronously in the support positioning hole 26.
in the embodiment of the present invention, a carrier support body for supporting the carrier 12 is further disposed in the support body 14, several carrier support bodies can support one end of the carrier 12 adjacent to the reagent box roller 16, and the carrier 12 is not in contact with the reagent box roller 16. The middle of the carrier plate 12 is hinged to the bracket body 14 by a hinge shaft, so that the carrier plate 12 can rotate around the hinge shaft connected to the bracket body 14.
The carrier plate connecting block 30 is located below the carrier plate 12 and located at one end of the carrier plate 12 relatively far away from the reagent kit roller 16, the middle transition block 27 and the connecting rack 21 are distributed in parallel, the middle transition block 27 is fixedly connected with the carrier plate connecting block 30 through a locking bolt 31, one end of the rack connecting rod 29 is connected with the middle transition block 27, and the other end of the rack connecting rod 29 can be connected with the connecting rack 21 after passing through the support positioning hole 26. When the connecting rack 21 is lifted, the rack link 29 can move in the bracket positioning hole 26. When the connecting rack 21 drives the end of the carrier plate 12 away from the reagent kit roller 16 to approach the waste box 13 through the rack connecting rod 29, the carrier plate 12 can be inclined, and the urease reaction reagent kit 15 on the carrier plate 12 can fall into the waste box 13 under the action of gravity. After the urease reaction kit 15 falls into the waste box 13, the driving motor 23 drives the second driven gear 32 to rotate, so that the connecting rack 21 rises, the carrier plate 12 gradually changes from an inclined state to a horizontal state until the end part of the carrier plate 12, which is relatively adjacent to the kit roller 16, contacts with the carrier plate support, and after the carrier plate 12 contacts with the carrier plate support, the subsequent support of the urease reaction kit 15 is not affected.
Further, a rack positioning hole 22 is formed in the connecting rack 21, the rack positioning hole 22 penetrates through the connecting rack 21, the rack positioning holes 22 are distributed along the length direction of the connecting rack 21, the rack positioning hole 22 is in direct correspondence with the support positioning hole 26, the rack connecting rod 29 is connected with the connecting rack 21 after penetrating through the support positioning hole 26 and the rack positioning hole 22 respectively, and the rack connecting rod 29 is fixedly connected with the connecting rack 21 through the connecting rod locking block 28.
The embodiment of the utility model provides an in, after setting up rack location hole 22 on connecting rack 21, rack connecting rod 29 can be fixed with connecting rack 21 through connecting rod latch segment 28, and connecting rod latch segment 28's external diameter is greater than rack location hole 22's aperture to can make rack connecting rod 29 can be connected the cooperation with the different positions of connecting rack 21, thereby can adjust connecting rack 21 and at the interior movement distance of shell, improve convenience and the reliability of using.