Quantitative propeller for injectorThe technical field is as follows:
the utility model relates to a medical treatment field of injecting, in particular to ration propeller for syringe.
Background art:
the injector is a common medical appliance, in daily medical life, the injector is the most used medical tool, and can quickly bring medicines to all parts of a body through a blood circulation machine, so that the effect of quick treatment occupies the whole medical market, but in the prior art, the injector is generally pushed by people during injection, but discomfort of a patient is caused when the patient is injected due to poor control of the hands of medical workers during injection, at present, oral medicines and affected limb intravenous injection medicines are used for treating limb varicosity, the quantity of the medicines is not well mastered during existing intravenous injection, the treatment effect is seriously influenced, and the manual control cannot be accurate, so that the treatment effect is seriously influenced.
The utility model has the following contents:
the utility model aims at providing a quantitative propeller for syringe in order to solve the above-mentioned problem, solved current medicament volume and do not master well to the problem of the effect of treatment has seriously been influenced.
In order to solve the above problem, the utility model provides a technical scheme: the utility model provides a quantitative propeller for syringe, includes the syringe, its innovation point lies in: the connecting device also comprises a clamping seat, a clamping groove, a connecting seat, a guide hole I, a guide pillar I, a rack I, a connecting gear set, a communicating groove, a movable seat, a connecting groove, a guide groove II, a guide pillar II, a connecting rod, a spring I, an end cover I and a pull block; the clamping seat is fixedly connected to the left upper side of the connecting seat, and a clamping groove is formed in the upper side of the clamping seat; an injector is connected in the clamping groove; the first guide hole is transversely arranged in the upper side of the connecting seat, and a communicating groove is arranged at the right upper side of the first guide hole; the first guide post is transversely and movably connected in the first guide hole, and a first rack is transversely and fixedly connected to the front side surface of the first guide post; the lower side of the movable seat is transversely and movably connected into the communicating groove, the bottom of the movable seat is fixedly connected to the upper left side of the guide pillar, a connecting groove is formed in the upper left side of the movable seat, and the connecting groove is connected with the end part of the right telescopic end of the injector; the connecting gear set is movably connected to the left side of the inner part of the center of the connecting seat, and the upper side of a gear on the front side of the connecting gear set is connected with the first rack; the guide groove II is transversely arranged inside the right side of the center of the connecting seat, a guide pillar II is transversely and movably connected in the guide groove II, and an opening on the right side of the guide groove II is fixedly connected with an end cover I; the right side of the connecting rod is transversely movably connected inside the center of the first end cover, the left end of the connecting rod is fixedly connected with the centers of the right ends of the guide pillars, and the right end of the connecting rod is fixedly connected with a pull block; and a first spring is arranged between the right end face of the second guide pillar and the left side face of the first end cover.
Preferably, the device also comprises a second end cover, a handle, a second spring, a third guide pillar, a trigger, a locking screw, a limiting rod, a scale mark, a chuck, a ratchet wheel, a connecting gear, a second rack and a third guide groove; the guide groove III is transversely arranged inside the lower side of the connecting seat, and a guide pillar III is transversely and movably connected in the guide groove III; the second end cover is fixedly connected to the opening on the right side of the third guide groove, and a second spring is arranged between the left end face of the second end cover and the right end face of the third guide pillar; the top of the handle is fixedly connected to the right lower side of the connecting seat; the top of the trigger is fixedly connected to the right lower side of the guide post III, a limiting rod is transversely and movably connected to the inner part of the upper side of the trigger, and a locking screw is movably connected to a longitudinal threaded hole in the front side of the inner part of the upper side of the trigger; the end part of the inner side of the locking screw is connected with the outer surface of the limiting rod; the front side surface of the limiting rod is provided with transverse scale marks; the right end of the chuck is fixedly connected to the left ends of the two guide columns, and the left tooth part of the chuck is connected with the right tooth part of the ratchet wheel; the ratchet wheel is fixedly connected to the center of the side face of the connecting gear; the connecting gear is movably connected to the right side of the inner part of the center of the connecting seat, and the upper side of the connecting gear is connected with the first rack; the second rack is transversely and fixedly connected to the left side of the rear side face of the third guide pillar, and the upper side tooth part of the second rack is connected with the lower side of the rear side gear of the connecting gear set.
Preferably, the cartridge is made of an elastic material.
Preferably, the specific structure of the connecting gear set comprises a front side gear, a one-way bearing, a mounting hole and a rear side gear; the inner part of the right center of the front side gear is fixedly connected to the outer surface of the one-way bearing; the outer portion of a left side central shaft of the rear side gear is fixedly connected to the inner portion of the one-way bearing, and a mounting hole is formed in the center of the rear side gear.
Preferably, the first guide hole and the first clamping groove are parallel to each other.
Preferably, the surface of the pulling block is provided with anti-skid grains.
Preferably, the right end face of the limiting rod is located on the right left side of the handle.
Preferably, the surface of the handle is provided with an anti-slip layer.
Preferably, the chuck left side tooth portion matches the ratchet tooth portion.
The utility model has the advantages that:
(1) the utility model has the advantages of reasonable and simple structure, low in production cost, simple to operate, because the restriction of gag lever post makes when the syringe injects just carry out a ration injection according to a trigger at every turn, the distance of gag lever post right-hand member face to between the handle left end face here is exactly the distance that the syringe once injected to the volume of medicament injection has been ensured.
(2) The utility model discloses well spring two that sets up can guarantee to loosen the trigger after once injecting and accomplish and can promote the guide pillar three and two left removals primary positions of rack so that carry out next ration injection under spring two's effect.
(3) The utility model discloses in the one-way bearing that here sets up, can ensure that rack two can not drive rack one when moving left and move right, just also guaranteed that rack one can not order about syringe right side push rod and move right this moment to the needs of continuous ration injection have been satisfied.
(4) The utility model discloses in owing to ratchet and the dop that sets up, rack one and guide pillar one can only move to one side when dop chucking ratchet, just guarantee also that the syringe can only carry out one-way injection that moves to a left side to the effect of injection has been improved.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a central enlarged view of fig. 1.
Fig. 3 is a partially enlarged view of the right side of fig. 1.
Fig. 4 is a schematic structural view of a connecting gear set.
1-a syringe; 2-a card seat; 3-a card slot; 4-a connecting seat; 5, guiding a hole I; 6, a first guide pillar; 7, a first rack; 8-connecting gear set; 9-a communicating groove; 10-a movable seat; 11-a connecting trough; 12-a second guide groove; 13-guide pillar two; 14-a connecting rod; 15-a first spring; 16-end cover one; 17-pulling the block; 18-end cap two; 19-a handle; 20-spring two; 21-guide pillar III; 22-a trigger; 23-locking screws; 24-a stop lever; 25-graduation mark; 26-a chuck; 27-ratchet wheel; 28-connecting gear; 29-rack two; 30-guide groove III; 81-front side gear; 82-one-way bearing; 83-mounting holes; 84-rear side gear.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a quantitative propeller for an injector comprises an injector 1, and further comprises a clamping seat 2, a clamping groove 3, a connecting seat 4, a guide hole I5, a guide pillar I6, a rack I7, a connecting gear set 8, a communicating groove 9, a movable seat 10, a connecting groove 11, a guide groove II 12, a guide pillar II 13, a connecting rod 14, a spring I15, an end cover I16 and a pull block 17; the clamping seat 2 is fixedly connected to the upper left side of the connecting seat 4, and a clamping groove 3 is formed in the upper side of the clamping seat 2; the clamping groove 3 is internally connected with an injector 1; the guide hole I5 is transversely arranged in the upper side of the connecting seat 4, and the right upper side of the guide hole I5 is provided with a communicating groove 9; the guide post I6 is transversely movably connected in the guide hole I5, and a rack I7 is transversely and fixedly connected to the front side surface of the guide post I6; the lower side of the movable seat 10 is transversely and movably connected into the communicating groove 9, the bottom of the movable seat 10 is fixedly connected to the left upper side of the guide post I6, a connecting groove 11 is formed in the left upper side of the movable seat 10, and the connecting groove 11 is connected with the end part of the right telescopic end of the injector 1; the connecting gear set 8 is movably connected to the left side of the center inside the connecting seat 4, and the upper side of a gear on the front side of the connecting gear set 8 is connected with the first rack 7; the second guide groove 12 is transversely arranged inside the right side of the center of the connecting seat 4, a second guide pillar 13 is transversely and movably connected in the second guide groove 12, and a first end cover 16 is fixedly connected to the opening on the right side of the second guide groove 12; the right side of the connecting rod 14 is transversely movably connected inside the center of the first end cover 16, the left end of the connecting rod 14 is fixedly connected with the center of the right end of the second guide pillar 13, and the right end of the connecting rod 14 is fixedly connected with a pull block 17; a first spring 15 is arranged between the right end face of the second guide post 13 and the left side face of the first end cover 16.
The device also comprises a second end cover 18, a handle 19, a second spring 20, a third guide post 21, a trigger 22, a locking screw 23, a limiting rod 24, a scale mark 25, a chuck 26, a ratchet wheel 27, a connecting gear 28, a second rack 29 and a third guide groove 30; the third guide groove 30 is transversely arranged in the lower side of the connecting seat 4, and a third guide pillar 21 is transversely movably connected in the third guide groove 30; the second end cover 18 is fixedly connected to the right opening of the third guide groove 30, and a second spring 20 is arranged between the left end face of the second end cover 18 and the right end face of the third guide pillar 21; the top of the handle 19 is fixedly connected to the lower right side of the connecting seat 4; the top of the trigger 22 is fixedly connected to the right lower side of the third guide post 21, a limiting rod 24 is transversely and movably connected to the inner part of the upper side of the trigger 22, and a locking screw 23 is movably connected to a longitudinal threaded hole in the front side of the inner part of the upper side of the trigger 22; the end part of the inner side of the locking screw 23 is connected with the outer surface of the limiting rod 24; the front side surface of the limiting rod 24 is provided with transverse scale marks 25; the right end of the chuck 26 is fixedly connected to the left end of the second guide post 13, and the left tooth part of the chuck 26 is connected with the right tooth part of the ratchet wheel 27; the ratchet wheel 27 is fixedly connected to the center of the side surface of the connecting gear 28; the connecting gear 28 is movably connected to the right side of the center inside of the connecting seat 4, and the upper side of the connecting gear 28 is connected with the first rack 7; the second rack 29 is transversely and fixedly connected to the left side of the rear side face of the third guide pillar 21, and the upper side tooth part of the second rack 29 is connected with the lower side of the rear side gear of the connecting gear set 8.
Wherein, the clamping seat 2 is made of elastic material.
As shown in fig. 4, the connecting gear set 8 includes a front side gear 81, a one-way bearing 82, a mounting hole 83 and a rear side gear 84; the right central inner part of the front side gear 81 is fixedly connected to the outer surface of the one-way bearing 82; the outer part of the left central shaft of the rear side gear 84 is fixedly connected to the inner part of the one-way bearing 82, and a mounting hole 83 is formed in the center of the rear side gear 84.
The guide hole I5 and the clamping groove 3 are parallel to each other; the surface of the pull block 17 is provided with anti-skid grains; the right end face of the limiting rod 24 is positioned right on the left side of the handle 19; an anti-skid layer is arranged on the surface of the handle 19; the left tooth part of the chuck 26 is matched with the tooth part of the ratchet wheel 27.
The utility model discloses a user state does: the utility model has the advantages of reasonable and simple structure, low production cost and convenient installation, when in use, firstly, the injector 1 is clamped into the clamping groove 3, the end part of the right push rod of the injector 1 is clamped into the connecting groove 11, then the locking screw 23 is loosened to adjust the limiting distance of the limiting rod 24, the distance between the right end surface of the limiting rod 24 and the left end surface of the handle 19 is the distance of one-time injection of the injector 1, when in injection, firstly, the handle 19 is held by hand, the trigger 22 is triggered by fingers to drive the guide pillar III 21 to move to the right, the right movement of the guide pillar III 21 drives the rear side gear 84 to rotate through the rack II 29, the rotation of the rear side gear 84 drives the front side gear 81 to rotate through the one-way bearing 82, the rotation of the front side gear 81 drives the guide pillar I6 to move to the left through the rack I7, the left movement of the guide pillar I6 drives the right, due to the limitation of the limiting rod 24, quantitative injection is performed once when the injector 1 performs injection once the trigger 22 is pressed, after injection once is completed, the trigger 22 is released, and under the action of the spring II 20, the guide pillar III 21 and the rack II 29 are pushed to move back to the original positions left to perform next quantitative injection, and the one-way bearing 82 is arranged, so that the rack I7 cannot be driven to move right when the rack II 29 moves left, and the rack I7 cannot drive the push rod on the right side of the injector 1 to move right at the moment, and in addition, due to the arrangement of the ratchet 27 and the chuck 26, when the chuck 26 clamps the ratchet 27, the rack I7 and the guide pillar I6 can only move left, namely, the injector 1 can only perform one-way left injection, and the injection effect is improved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be modified and improved without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention, and which is defined by the appended claims and their equivalents.