CN211485077U

CN211485077U - Blood vessel injection device for animal medical science experiments

Info

Publication number: CN211485077U
Application number: CN201921908693.9U
Authority: CN
Inventors: 何小懿; 廖慧英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-15
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a blood vessel injection device for animal medicine experiments, including inner tube and urceolus, still including installing the syringe needle at the inner tube tip, and the movable cover of urceolus is in the outside of inner tube, be provided with first piston in the inner tube, be provided with the second piston in the urceolus, and still be connected with the push rod on the first piston, the utility model discloses a cover that has the urceolus in the outside activity of inner tube, when discovering that the capacity of inner tube is not enough, can take the urceolus out from the inner tube outside and increase the whole capacity of this injection device, use more nimble, extensive applicability; the cover has the commentaries on classics lid on the tip of urceolus, utilizes to change the lid and can seal this injection device, avoids its inside secondary pollution's that appears the condition, uses safelyr to change the lid and pass through the screw thread and change tightly on the urceolus, when needs wash the device is inside, can change down and change the lid, wash simple, the convenience more of operation.

Description

Blood vessel injection device for animal medical science experiments

Technical Field

The utility model relates to an animal medical science field, in particular to blood vessel injection device for animal medical science experiments.

Background

Animal medicine mainly relates to the subject fields such as extrusion veterinary medicine, prevention veterinary medicine, clinical veterinary medicine, veterinary medicine and veterinary medicine, has basic theories, basic knowledge and basic skills in aspects such as small animal disease prevention and treatment, pasture medicine, veterinary public health and veterinary medicine, and needs to carry out blood vessel injection work in the animal medicine experiment process. In the use process of the existing blood vessel injection device for animal medical experiments, the capacity of the general injection device is constant, and when the internal capacity of the injection device is found to be insufficient, the large-capacity injection device needs to be replaced, so that the flexibility of use is poor, and the applicability is low.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a blood vessel injection device for animal medical science experiments can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vascular injection device for animal medicine experiments, includes inner tube and urceolus, still including installing the syringe needle of inner tube tip, just the cover of urceolus activity is in the outside of inner tube, be provided with first piston in the inner tube, be provided with the second piston in the urceolus, just still be connected with the push rod on the first piston, still be connected with the ejector sleeve on the second piston, just the second piston and the ejector sleeve setting are passed in the push rod activity, the push rod is kept away from one of first piston and is served fixed the cup jointing of third fixed cover, the second piston was kept away from to the ejector sleeve serves fixed cover of fixing the cover has the second fixed cover, the fixed cover in the outside of urceolus has first fixed cover.

Furthermore, sliding blocks are fixedly arranged on two sides of the inner wall of the outer barrel and are also arranged in sliding grooves formed in the wall of the outer barrel of the inner barrel in a sliding mode.

Furthermore, the threaded rod is rotated in the threaded hole on the outer barrel and penetrates through the through hole on the sliding block, one end of the threaded rod penetrating through the sliding block is inserted into the insertion hole, the rotating cap is sleeved on the other end of the threaded rod, the insertion holes are formed in the groove walls of the sliding groove, and the insertion holes are distributed in the groove walls of the two ends of the sliding groove.

Furthermore, the outer diameter of the first piston is smaller than that of the second piston, and the first piston and the second piston are respectively attached to the inner walls of the inner cylinder and the outer cylinder.

Furthermore, a rotating cover is arranged at one end, away from the needle head, of the outer barrel, the rotating cover is tightly rotated on the outer barrel through threads, and the push pipe movably penetrates through the rotating cover.

Compared with the prior art, the utility model discloses following beneficial effect has: the outer cylinder is movably sleeved on the outer side of the inner cylinder, when the capacity of the inner cylinder is found to be insufficient, the outer cylinder can be drawn out from the outer side of the inner cylinder to increase the whole capacity of the injection device, so that the use is more flexible, and the applicability is wide; the cover has the commentaries on classics lid on the tip of urceolus, utilizes to change the lid and can seal this injection device, avoids its inside secondary pollution's that appears the condition, uses safelyr to change the lid and pass through the screw thread and change tightly on the urceolus, when needs wash the device is inside, can change down and change the lid, wash simple, the convenience more of operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

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

In the figure: 1. an inner barrel; 2. a needle head; 3. an outer cylinder; 4. a chute; 5. a first piston; 6. a push rod; 7. a first fixing sleeve; 8. a second piston; 9. rotating the cover; 10. pushing the tube; 11. a second fixing sleeve; 12. a third fixing sleeve; 13. a slider; 14. a threaded rod; 15. turning the cap; 16. and (4) inserting the jack.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, a blood vessel injection device for animal medical experiments comprises an inner cylinder 1 and an outer cylinder 3, and further comprises a needle 2 installed at an end of the inner cylinder 1, the outer cylinder 3 is movably sleeved outside the inner cylinder 1, a first piston 5 is arranged in the inner cylinder 1, a second piston 8 is arranged in the outer cylinder 3, the first piston 5 is further connected with a push rod 6, the second piston 8 is further connected with a push tube 10, the push rod 6 movably penetrates through the second piston 8 and the push tube 10, a third fixing sleeve 12 is fixedly sleeved on one end of the push rod 6 far away from the first piston 5, a second fixing sleeve 11 is fixedly sleeved on one end of the push tube 10 far away from the second piston 8, and a first fixing sleeve 7 is fixedly sleeved on an outer side of the outer cylinder 3.

As shown in fig. 1, sliding blocks 13 are fixedly arranged on both sides of the inner wall of the outer cylinder 3, and the sliding blocks 13 are further slidably arranged in sliding grooves 4 formed in the outer cylinder wall of the inner cylinder 1.

By adopting the above scheme, the sliding precision of the outer cylinder 3 can be improved by utilizing the sliding of the sliding block 13 in the sliding groove 4, and meanwhile, the sliding block 13 is limited by utilizing the groove walls at the two ends of the sliding groove 4, so that the outer cylinder 3 is prevented from falling off from the inner cylinder 1.

As shown in fig. 1, a threaded rod 14 is rotatably inserted through the threaded hole of the outer cylinder 3, the threaded rod 14 is further inserted through a through hole of the slider 13, one end of the threaded rod 14, which penetrates through the slider 13, is inserted into an insertion hole 16, a rotating cap 15 is fixedly sleeved on the other end of the threaded rod 14, two insertion holes 16 are formed in the groove wall of the sliding groove 4, and the two insertion holes 16 are distributed at the groove walls of the two ends of the sliding groove 4.

By adopting the scheme, when one end of the threaded rod 14 is inserted into the insertion hole 16 at the corresponding position of the sliding chute 4, the outer barrel 3 can be fixed on the inner barrel 1.

As shown in fig. 1, the outer diameter of the first piston 5 is smaller than the outer diameter of the second piston 8, and the first piston 5 and the second piston 8 are respectively arranged close to the inner walls of the inner cylinder 1 and the outer cylinder 3.

As shown in figure 1, a rotary cover 9 is arranged on one end of the outer cylinder 3 far away from the needle 2, the rotary cover 9 is screwed tightly on the outer cylinder 3, and the push tube 10 is movably arranged through the rotary cover 9.

Through adopting above-mentioned scheme, utilize to change lid 9 and come to play sealed effect to the device, avoid secondary pollution, the safety in utilization is higher.

It should be noted that, the utility model relates to a blood vessel injection device for animal medicine experiments, when discovering that the internal capacity of inner tube 1 is not enough, at first in the screw hole of outer tube 3 with during 14 one end of threaded rod is rolled out slider 13 from jack 16, outer tube 3 is taken out on inner tube 1 afterwards, reuse is changeed cap 15 and is rotated the one end of threaded rod 14 and inject in the jack 16 of corresponding position on the 4 cell walls of spout, fix the outer tube 3 of taking out on inner tube 1, can enlarge the internal capacity of the device like this, the flexibility of use is higher, the suitability is wider, the commentaries on classics cap 15 that sets up on 3 tip of outer tube plays the sealed effect to the device, avoid the inside secondary pollution's that appears of the device the circumstances, the security of use is higher.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a vascular injection device for animal medical science experiments, includes inner tube (1) and urceolus (3), its characterized in that: still including installing syringe needle (2) of inner tube (1) tip, just the cover of urceolus (3) activity is in the outside of inner tube (1), be provided with first piston (5) in inner tube (1), be provided with second piston (8) in urceolus (3), just still be connected with push rod (6) on first piston (5), still be connected with ejector sleeve (10) on second piston (8), just the activity of push rod (6) passes second piston (8) and ejector sleeve (10) sets up, push rod (6) keep away from one of first piston (5) serve fixed the cup jointing and have the fixed cover of third (12), the fixed cover of second that serves of second piston (8) was kept away from in ejector sleeve (10) has the fixed cover of second (11), the fixed cover in the outside of urceolus (3) has first fixed cover (7).

2. The vascular injection device for animal medical experiments as claimed in claim 1, wherein: and sliding blocks (13) are fixedly arranged on two sides of the inner wall of the outer cylinder (3), and the sliding blocks (13) are also arranged in sliding grooves (4) formed in the outer cylinder wall of the inner cylinder (1) in a sliding manner.

3. The vascular injection device for animal medical experiments as claimed in claim 1, wherein: rotate in the screw hole on urceolus (3) and pass threaded rod (14), just threaded rod (14) still pass the through-hole setting on slider (13), threaded rod (14) are worn out the one end of slider (13) and are inserted in jack (16), the fixed cover has a commentaries on classics cap (15) on the other end of threaded rod (14), just jack (16) have seted up two on the cell wall of spout (4), two jack (16) distribute in the both ends cell wall department of spout (4).

4. The vascular injection device for animal medical experiments as claimed in claim 1, wherein: the outer diameter of the first piston (5) is smaller than that of the second piston (8), and the first piston (5) and the second piston (8) are respectively tightly attached to the inner walls of the inner cylinder (1) and the outer cylinder (3).

5. The vascular injection device for animal medical experiments as claimed in claim 1, wherein: one end of the outer barrel (3) far away from the needle head (2) is provided with a rotating cover (9), the rotating cover (9) is tightly screwed on the outer barrel (3) through threads, and the push pipe (10) movably penetrates through the rotating cover (9).