CN111579300A - Micro blood collection tube - Google Patents

Abstract

The invention discloses a micro blood collection tube, which comprises a connecting frame, a floating frame, a driving rod, an insertion mechanism, a blood collection tube body and an insertion block, wherein the floating frame is arranged on the connecting frame; the invention realizes the operation modes of transverse clamping and fixing and longitudinal telescopic movement of the blood collection tube body, the positioning blocks are driven to transversely move by rotating the rotary screw rod, the insertion grooves of the two positioning blocks are inserted and clamped on the insertion blocks at the two sides of the upper end of the blood collection tube body, so that an installation structure for transverse clamping and fixing is formed, the floating frame is driven to vertically move by rotating the driving rod, the whole insertion mechanism and the blood collection tube body are driven to vertically move, the operation mode of telescopic movement is realized, and the collection depth can be conveniently adjusted.

Description

Micro blood collection tube

Technical Field

The invention relates to a micro blood collection tube.

Background

The micro blood collection tube is a common tool used when medical departments such as hospitals analyze blood, and is made of a glass tube with smaller inner diameter, smaller length and two open ends which are communicated, one end of the micro blood collection tube is contacted with the blood to be collected when the blood is collected, and the blood to be collected automatically enters the interior of the micro blood collection tube by utilizing the capillary principle, but the micro blood collection tube with smaller length is generally inconvenient to send into the liquid to be collected, a strip-shaped connecting tube is added for facilitating the operation at present, the micro blood collection tube with smaller length is arranged at the lower end of the strip-shaped connecting tube, so the micro blood collection tube can conveniently extend into a container for collection, but the connection between the micro blood collection tube with smaller length and the strip-shaped connecting tube is generally bonded by glue, so the structure is not firm, and the disassembly between the micro blood collection tube with smaller length and the strip-shaped connecting tube is very inconvenient, it is very inconvenient to recover and replace the product.

Disclosure of Invention

Aiming at the defects of the prior art, the invention solves the problems that: provides a micro blood sampling device with stable structure and convenient disassembly.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a micro blood collection tube comprises a connecting frame, a floating frame, a driving rod, an insertion mechanism, a blood collection tube body and an insertion block; the connecting frame and the floating frame are of an inverted U-shaped structure; a driving rod is arranged in the middle of the upper end of the connecting frame; the floating frame is arranged below the inner part of the connecting frame; the lower end of the driving rod is connected with the middle of the upper end of the floating frame in a telescopic driving mode; two sides of the upper end of the blood collection tube body are respectively provided with an insertion block; two sides of the lower end of the floating frame are respectively provided with an inserting mechanism; the inserting mechanism comprises a rotary screw rod, a positioning block and a guide rod; two sides of the lower end of the floating frame are respectively in threaded rotary connection with a rotary screw; a positioning block is respectively arranged inside two sides of the lower end of the floating frame; the inner side of the positioning block is provided with an inserting groove; the outer side of the positioning block is rotationally clamped with the inner end of the rotating screw rod; the upper end and the lower end of the outer side of the positioning block are respectively provided with a guide groove; the guide grooves are respectively inserted and connected with a guide rod; one end of the guide rod is inserted into the guide groove, and the other end of the guide rod is fixedly arranged on the inner side of the lower end of the floating frame; the rotating screw rotates to drive the positioning block to move transversely; the plug-in blocks on the two sides of the upper end of the blood collection tube body are respectively inserted into the plug-in grooves on the inner sides of the positioning blocks.

Further, the driving rod is rotatably connected to the middle of the upper end of the connecting frame through threads.

Further, the lower end of the driving rod is provided with a rotary clamping tooth; a rotary clamping groove is formed in the middle of the upper end of the floating frame; the lower end of the driving rod is rotationally clamped on a rotary clamping groove in the middle of the upper end of the floating frame through a rotary clamping tooth.

Furthermore, two clamping and connecting rods are respectively arranged on two sides of the floating frame; a clamping sliding groove is respectively arranged inside each of two sides of the connecting frame; the floating frame is connected to the clamping sliding grooves on the two sides of the connecting frame in a sliding and clamping mode through clamping rods on the two sides.

Further, a transverse clamping ring groove is formed in the outer side of the positioning block; the inner end of the rotating screw rod is provided with a transverse clamping ring tooth; the outer side of the positioning block is rotationally clamped with a transverse clamping ring tooth at the inner end of the rotary screw rod through a transverse clamping ring groove.

Further, the guide rod and the guide groove are both rectangular structures.

Furthermore, the inserting groove and the inserting block are both rectangular structures.

The invention has the advantages of

The invention realizes the operation modes of transverse clamping and fixing and longitudinal telescopic movement of the blood collection tube body, the positioning blocks are driven to transversely move by rotating the rotary screw rod, the insertion grooves of the two positioning blocks are inserted and clamped on the insertion blocks at the two sides of the upper end of the blood collection tube body, so that an installation structure for transverse clamping and fixing is formed, the floating frame is driven to vertically move by rotating the driving rod, the whole insertion mechanism and the blood collection tube body are driven to vertically move, the operation mode of telescopic movement is realized, and the collection depth can be conveniently adjusted.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of the present invention at a.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a micro blood collection tube includes a connection frame 1, afloating frame 2, adriving rod 3, an insertion mechanism 4, a bloodcollection tube body 5, and aninsertion block 6. The connecting frame 1 and thefloating frame 2 are in an inverted U-shaped structure; adriving rod 3 is arranged in the middle of the upper end of the connecting frame 1; thefloating frame 2 is arranged below the inner part of the connecting frame 1; the lower end of thedriving rod 3 is in telescopic driving connection with the middle of the upper end of thefloating frame 2; two sides of the upper end of the bloodcollection tube body 5 are respectively provided with aninsertion block 6; two sides of the lower end of thefloating frame 2 are respectively provided with an inserting mechanism 4; the inserting mechanism 4 comprises arotary screw rod 41, apositioning block 42 and aguide rod 43; two sides of the lower end of thefloating frame 2 are respectively in threaded rotary connection with arotary screw 41; apositioning block 42 is respectively arranged inside two sides of the lower end of thefloating frame 2; the inner side of thepositioning block 42 is provided with aninserting groove 423; the outer side of thepositioning block 42 is rotationally clamped with the inner end of the rotatingscrew rod 41; the upper end and the lower end of the outer side of thepositioning block 42 are respectively provided with aguide groove 422; theguide grooves 422 are respectively inserted and connected with aguide rod 43; one end of theguide rod 43 is inserted into theguide groove 422, and the other end of theguide rod 43 is fixedly arranged on the inner side of the lower end of thefloating frame 2; the rotatingscrew rod 41 rotates to drive thepositioning block 42 to move transversely; the insertion blocks 6 on the two sides of the upper end of the bloodcollection tube body 5 are respectively inserted into theinsertion grooves 423 connected to the inner side of thepositioning block 42.

As shown in fig. 1 and 2, it is further preferable that thedriving rod 3 is rotatably coupled to the middle of the upper end of the coupling frame 1 by means of a screw. Further, the lower end of thedriving rod 3 is provided with arotary clamping tooth 31; arotary clamping groove 21 is formed in the middle of the upper end of thefloating frame 2; the lower end of thedriving rod 3 is rotationally clamped on therotary clamping groove 21 in the middle of the upper end of thefloating frame 2 through therotary clamping teeth 31. Furthermore, two clamping and connectingrods 22 are respectively arranged on two sides of thefloating frame 2; a clamping slidinggroove 11 is respectively arranged in each of two sides of the connecting frame 1; thefloating frame 2 is slidably clamped on the clamping slidinggrooves 11 on the two sides of the connecting frame 1 throughclamping rods 22 on the two sides. Further, a transverseclamping ring groove 421 is arranged on the outer side of thepositioning block 42; the inner end of the rotatingscrew rod 41 is provided with a transverseclamping ring tooth 411; the outer side of thepositioning block 42 is rotationally clamped with a transverseclamping ring tooth 411 at the inner end of therotary screw rod 41 through a transverseclamping ring groove 421. Further preferably, theguide rod 43 and theguide groove 422 are rectangular. Further, theinserting groove 423 and theinserting block 6 are both rectangular structures.

The invention realizes the operation modes of transverse clamping and fixing and longitudinal telescopic movement of the bloodcollection tube body 5, thepositioning blocks 42 are driven to transversely move by rotating therotary screw rod 41, theinserting grooves 423 of the twopositioning blocks 42 are inserted into the insertingblocks 6 clamped at the two sides of the upper end of the bloodcollection tube body 5, so that a transverse clamping and fixing installation structure is formed, the floatingframe 2 is driven to vertically move by rotating thedriving rod 3, the whole inserting mechanism 4 and the bloodcollection tube body 5 are driven to vertically move, the telescopic movement operation mode is realized, and the collection depth can be conveniently adjusted.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. A micro blood collection tube is characterized by comprising a connecting frame, a floating frame, a driving rod, an insertion mechanism, a blood collection tube body and an insertion block; the connecting frame and the floating frame are of an inverted U-shaped structure; a driving rod is arranged in the middle of the upper end of the connecting frame; the floating frame is arranged below the inner part of the connecting frame; the lower end of the driving rod is connected with the middle of the upper end of the floating frame in a telescopic driving mode; two sides of the upper end of the blood collection tube body are respectively provided with an insertion block; two sides of the lower end of the floating frame are respectively provided with an inserting mechanism; the inserting mechanism comprises a rotary screw rod, a positioning block and a guide rod; two sides of the lower end of the floating frame are respectively in threaded rotary connection with a rotary screw; a positioning block is respectively arranged inside two sides of the lower end of the floating frame; the inner side of the positioning block is provided with an inserting groove; the outer side of the positioning block is rotationally clamped with the inner end of the rotating screw rod; the upper end and the lower end of the outer side of the positioning block are respectively provided with a guide groove; the guide grooves are respectively inserted and connected with a guide rod; one end of the guide rod is inserted into the guide groove, and the other end of the guide rod is fixedly arranged on the inner side of the lower end of the floating frame; the rotating screw rotates to drive the positioning block to move transversely; the plug-in blocks on the two sides of the upper end of the blood collection tube body are respectively inserted into the plug-in grooves on the inner sides of the positioning blocks.

2. The micro blood collection tube according to claim 1, wherein the driving rod is rotatably connected to the middle of the upper end of the connection frame by a screw.

3. The micro blood collection tube according to claim 1, wherein a rotary engagement tooth is provided at a lower end of the driving rod; a rotary clamping groove is formed in the middle of the upper end of the floating frame; the lower end of the driving rod is rotationally clamped on a rotary clamping groove in the middle of the upper end of the floating frame through a rotary clamping tooth.

4. The micro blood collection tube according to claim 1, wherein a clamping bar is mounted on each of both sides of the floating frame; a clamping sliding groove is respectively arranged inside each of two sides of the connecting frame; the floating frame is connected to the clamping sliding grooves on the two sides of the connecting frame in a sliding and clamping mode through clamping rods on the two sides.

5. The micro blood collection tube according to claim 1, wherein a transverse snap ring groove is formed on the outer side of the positioning block; the inner end of the rotating screw rod is provided with a transverse clamping ring tooth; the outer side of the positioning block is rotationally clamped with a transverse clamping ring tooth at the inner end of the rotary screw rod through a transverse clamping ring groove.

6. The micro blood collection tube according to claim 1, wherein the guide bar and the guide groove each have a rectangular configuration.

7. The micro blood collection tube according to claim 1, wherein the insertion groove and the insertion block each have a rectangular structure.

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