CN211677810U

CN211677810U - Syringe for pharmacy experiments

Info

Publication number: CN211677810U
Application number: CN202020062873.6U
Authority: CN
Inventors: 赵婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-16
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses an injector for pharmacy experiments belongs to the injector field. The syringe for the pharmaceutical experiment comprises a barrel, wherein the top of the barrel is connected with a syringe needle body, the outer wall of the top of the barrel is also connected with two fixing plates, a fixing shaft is connected between the two fixing plates, and the outer wall of the fixing shaft is rotatably connected with a fixing block; the outer walls of the two ends of the fixed block are respectively and fixedly connected with a pressing plate and a clamping plate, a sliding block is connected in the clamping plate in a sliding mode, and a clamping block matched with the needle head body is arranged at the bottom of the sliding block; the outer wall of one end of the fixed block, which is far away from the pressure plate, is also connected with a bottom plate; the outer wall of the cylinder body is also connected with a baffle, and the bottom of the baffle is provided with a limiting piece; the utility model discloses well syringe needle makes its can fixed connection after inserting, makes it can not the landing when using, and takes off easily, facilitates the use, can prevent simultaneously owing to violently extracting the piston is whole hard to avoid the liquid medicine to flow from the end of barrel.

Description

Syringe for pharmacy experiments

Technical Field

The utility model relates to an injector technical field especially relates to an injector for pharmacy experiments.

Background

The syringe is a common medical appliance, mainly uses the needle to extract or inject gas or liquid, the syringe can also be used for medical equipment, containers, and scientific instruments in some chromatography to inject through a rubber diaphragm, the gas is injected into blood vessels to cause air embolism, the method of removing air from the syringe to avoid embolism is to invert and lightly beat the syringe and then extrude a little liquid before injecting the liquid into blood stream, but when the existing syringe is matched with the needle for use, the needle part is easy to drop, if the needle is tightly fixed on the syringe to cause inconvenience in taking off the needle, the use is influenced, and when people extract the liquid, the phenomenon that the piston push rod fixed with the piston is pulled out from the syringe by too hard force, the liquid medicine flows out from the tail end of the syringe and the like often exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing an injector for pharmacy experiments.

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

the syringe for the pharmaceutical experiment comprises a barrel, wherein the top of the barrel is connected with a syringe needle body, the outer wall of the top of the barrel is also connected with two fixing plates, a fixing shaft is connected between the two fixing plates, and the outer wall of the fixing shaft is rotatably connected with a fixing block;

the outer walls of the two ends of the fixed block are respectively and fixedly connected with a pressing plate and a clamping plate, a sliding block is connected in the clamping plate in a sliding mode, and a clamping block matched with the needle head body is arranged at the bottom of the sliding block;

the outer wall of one end of the fixed block, which is far away from the pressing plate, is also connected with a bottom plate, the bottom plate is arranged below the clamping plate, and the bottom plate is matched with the needle head body;

the outer wall of barrel still is connected with the baffle, the bottom of baffle is equipped with the locating part, the outer wall of barrel still is equipped with the scale.

Preferably, a groove is formed in the clamping plate, a sliding plate is connected in the groove in a sliding mode, the sliding block is connected to the outer wall of the sliding plate, and a spring is connected between the sliding plate and the inner wall of the groove.

Preferably, the sliding block and the clamping block are both provided with arc grooves matched with the needle head body.

Preferably, the outer wall of the bottom of the clamping block and the outer wall of the top of the bottom plate are both provided with rubber pads which are matched with each other, and the rubber pads are provided with anti-skidding grooves.

Preferably, the cylinder body is connected with a piston in a sliding mode, the bottom of the piston is fixedly connected with a push rod, and the bottom of the push rod is provided with a push plate.

Preferably, the locating part includes that fixed connection is in the threaded rod of baffle bottom and sliding connection is in the backup pad of threaded rod outer wall, be equipped with in the backup pad with push pedal matched with shrinkage pool, the outer wall of threaded rod still threaded connection has the nut, the nut offsets with the bottom outer wall of backup pad.

Compared with the prior art, the utility model provides an injector for pharmacy experiments possesses following beneficial effect:

1. in the syringe for pharmacy experiments, when the needle head body is inserted, the sliding block is pushed, so that the sliding block drives the sliding plate to slide in the groove, the spring is compressed, the sliding block is provided with the inclined surface, the sliding block can be conveniently moved into the groove, the needle head body can conveniently penetrate through the groove, then the needle head body is stressed to push the bottom plate to move, so that the pressing plate is driven to ascend through the fixing block and the fixing shaft, the sliding block extends out of the groove, so that the clamping block at the bottom of the sliding block and the clamping block at the bottom of the sliding block are matched with the bottom plate, the needle head body fixing column is fixed, the rubber pad and the anti-skid groove can enable the needle head body to have better fixing effect, when the needle head body needs to be taken out, the pressing plate is pressed to drive the bottom plate to ascend, so that the bottom plate drives the needle head body to ascend, the sliding block can, on the other hand, the piston can be prevented from sliding out of the cylinder body due to excessive force, and the supporting plate can be conveniently detached through the threaded rod and the nut.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make it can fixed connection after the needle inserts, make it can not the landing when using, and take off easily, facilitate the use, can prevent simultaneously owing to violently extracting the piston is whole hard to avoid the liquid medicine to flow from the end of barrel.

Drawings

Fig. 1 is a first schematic structural view of a syringe for pharmaceutical experiment according to the present invention;

fig. 2 is a schematic structural diagram of a syringe for pharmaceutical experiment according to the present invention;

fig. 3 is a third schematic structural view of the syringe for pharmaceutical experiment according to the present invention;

FIG. 4 is a schematic structural view of a cross-sectional view of a syringe clamp plate for pharmaceutical experiments according to the present invention;

fig. 5 is a schematic structural view of a portion a in fig. 1 of an injector for pharmaceutical experiment according to the present invention;

fig. 6 is a schematic structural view of a portion B in fig. 2 of the injector for pharmaceutical experiment according to the present invention.

In the figure: 1. a barrel; 101. calibration; 102. a baffle plate; 103. a threaded rod; 104. a support plate; 105. a nut; 106. concave holes; 2. a piston; 201. a push rod; 202. a fixing plate; 3. a needle body; 4. a fixing plate; 401. a fixed shaft; 402. a fixed block; 403. pressing a plate; 404. a splint; 405. a base plate; 406. a rubber pad; 407. a groove; 5. a slider; 501. a clamping block; 502. a slide plate; 503. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 being 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.

Referring to fig. 1-6, the syringe for pharmaceutical experiments comprises a barrel 1, wherein the top of the barrel 1 is connected with a needle body 3, the outer wall of the top of the barrel 1 is also connected with two fixing plates 4, a fixing shaft 401 is connected between the two fixing plates 4, and the outer wall of the fixing shaft 401 is rotatably connected with a fixing block 402;

the outer walls of two ends of the fixed block 402 are respectively and fixedly connected with a pressing plate 403 and a clamping plate 404, the clamping plate 404 is internally and slidably connected with a sliding block 5, and the bottom of the sliding block 5 is provided with a clamping block 501 matched with the needle body 3;

the outer wall of one end of the fixing block 402, which is far away from the pressing plate 403, is also connected with a bottom plate 405, the bottom plate 405 is arranged below the clamping plate 404, and the bottom plate 405 is matched with the needle body 3;

the outer wall of barrel 1 still is connected with baffle 102, and the bottom of baffle 102 is equipped with the locating part, and the outer wall of barrel 1 still is equipped with scale 101.

A groove 407 is formed in the clamping plate 404, a sliding plate 502 is connected in the groove 407 in a sliding mode, the sliding block 5 is connected to the outer wall of the sliding plate 502, and a spring 503 is connected between the sliding plate 502 and the inner wall of the groove 407.

The sliding block 5 and the clamping block 501 are both provided with arc grooves matched with the needle head body 3.

The outer wall of the bottom of the clamping block 501 and the outer wall of the top of the bottom plate 405 are both provided with rubber pads 406 which are matched with each other, and the rubber pads 406 are provided with anti-skidding grooves.

The piston 2 is connected in the cylinder 1 in a sliding manner, the bottom of the piston 2 is fixedly connected with a push rod 201, and the bottom of the push rod 201 is provided with a push plate 202.

The locating part includes threaded rod 103 and the backup pad 104 of sliding connection at the threaded rod 103 outer wall of fixed connection in baffle 102 bottom, is equipped with the shrinkage pool 106 with push pedal 202 matched with in the backup pad 104, and threaded connection still has nut 105 in the outer wall of threaded rod 103, and nut 105 offsets with the bottom outer wall of backup pad 104.

In the utility model, when the needle body 3 is inserted, the slider 5 is pushed, so that the slider 5 slides in the groove 407 with the sliding plate 502, thereby compressing the spring 503, the slider 5 is provided with the inclined surface, the slider 5 can be conveniently moved into the groove 407, thereby the needle body 3 can be conveniently passed, then the needle body 3 is stressed to push the bottom plate 405 to move, thereby the pressing plate 403 is driven to ascend through the fixing block 402 and the fixing shaft 401, then the slider 5 extends out of the groove 407, thereby the clamping block 501 at the bottom of the slider 5 and the slider 5 is matched with the bottom plate 405, thereby the needle body 3 is fixed, the rubber pad 406 and the anti-skid groove can make the fixing effect better, when the needle body is required to be taken out, the pressing plate 403 is pressed to drive the bottom plate 405 to ascend, thereby the bottom plate 405 drives the needle body 3 to ascend, meanwhile, the slider 5 can be gradually positioned in the, therefore, the needle body 3 can not be propped against the needle body, the needle body is convenient to move out, the push rod 201 can be moved more stably by the support plate 104 on one hand, the piston 2 can be prevented from sliding out of the barrel 1 by too hard force on the other hand, and the support plate 104 can be conveniently detached by the threaded rod 103 and the nut 105.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The syringe for the pharmacy experiment comprises a barrel (1), wherein the top of the barrel (1) is connected with a needle body (3), and is characterized in that the outer wall of the top of the barrel (1) is also connected with two fixing plates (4), a fixing shaft (401) is connected between the two fixing plates (4), and the outer wall of the fixing shaft (401) is rotatably connected with a fixing block (402);

the outer walls of two ends of the fixing block (402) are respectively and fixedly connected with a pressing plate (403) and a clamping plate (404), the clamping plate (404) is internally and slidably connected with a sliding block (5), and the bottom of the sliding block (5) is provided with a clamping block (501) matched with the needle body (3);

the outer wall of one end, far away from the pressing plate (403), of the fixing block (402) is further connected with a bottom plate (405), the bottom plate (405) is arranged below the clamping plate (404), and the bottom plate (405) is matched with the needle body (3);

the outer wall of barrel (1) still is connected with baffle (102), the bottom of baffle (102) is equipped with the locating part, the outer wall of barrel (1) still is equipped with scale (101).

2. The syringe for pharmaceutical experiment according to claim 1, wherein the clamping plate (404) is provided with a groove (407), the groove (407) is slidably connected with a sliding plate (502), the sliding block (5) is connected with the outer wall of the sliding plate (502), and a spring (503) is connected between the sliding plate (502) and the inner wall of the groove (407).

3. The syringe for pharmaceutical experiment according to claim 2, wherein the sliding block (5) and the clamping block (501) are provided with circular arc grooves matched with the needle body (3).

4. The syringe for pharmaceutical experiment according to claim 3, wherein the bottom outer wall of the clamping block (501) and the top outer wall of the bottom plate (405) are provided with rubber pads (406) which are matched with each other, and the rubber pads (406) are provided with anti-slip grooves.

5. The syringe for pharmaceutical experiment according to claim 1, wherein the cylinder (1) is slidably connected with the piston (2), the bottom of the piston (2) is fixedly connected with the push rod (201), and the bottom of the push rod (201) is provided with the push plate (202).

6. The syringe for pharmaceutical experiment according to claim 1, wherein the limiting member comprises a threaded rod (103) fixedly connected to the bottom of the baffle (102) and a supporting plate (104) slidably connected to the outer wall of the threaded rod (103), the supporting plate (104) is provided with a concave hole (106) matched with the pushing plate (202), the outer wall of the threaded rod (103) is further connected with a nut (105) in a threaded manner, and the nut (105) abuts against the outer wall of the bottom of the supporting plate (104).