CN216222545U

CN216222545U - Leakage-proof syringe needle cap

Info

Publication number: CN216222545U
Application number: CN202122497633.6U
Authority: CN
Inventors: 张天鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-08
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a syringe needle cap for preventing liquid leakage, which particularly relates to the field of medical appliances and comprises: the needle cap comprises a needle cap barrel and a cap head positioned at the bottom of the needle cap barrel, wherein an adsorption mechanism used for adsorbing redundant liquid is arranged in the needle cap body, the needle cap body is divided into a cap body and a cylinder body by the adsorption mechanism, the cylinder body is connected with the cap head, a concave film and a piston used for clamping a needle head are arranged in the cap head, the concave film is arranged at the center of the inner bottom of the cap head, and the piston is arranged in a concave part of the concave film. The utility model effectively absorbs the liquid left on the cap head and the needle head by arranging the adsorption mechanism, thereby avoiding the liquid from flowing to the outside of the device.

Description

Leakage-proof syringe needle cap

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a liquid leakage prevention syringe needle cap.

Background

The syringe needle cap is the common medical instrument apparatus of being connected with the needle cap, when the staff dispenses, can fall out partial liquid in the syringe and leave over inside the needle cap, and current syringe needle cap can't adsorb the liquid that falls out effectively to make the syringe when the injection is used, the residual liquid that flows out in the needle cap can trickle out, the polluted environment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects in the prior art, an embodiment of the present invention provides a syringe needle cap capable of preventing liquid leakage, and the technical problems to be solved by the present invention are: the device can not effectively adsorb the liquid falling out of the injector.

In order to achieve the purpose, the utility model provides the following technical scheme: a liquid leakage preventing syringe needle cap comprises a needle cap barrel and a cap head located at the bottom of the needle cap barrel, wherein an adsorption mechanism used for adsorbing redundant liquid is arranged in the needle cap body, the needle cap body is divided into a cap body and a cylinder body by the adsorption mechanism, the cylinder body is connected with the cap head, a concave film and a piston used for clamping a needle head are arranged in the cap head, the concave film is arranged at the center of the inner bottom of the cap head, and the piston is arranged in a concave part of the concave film.

In a preferred embodiment, the adsorption mechanism comprises an orifice plate, a water absorption cotton strip and a water absorption sponge, the orifice plate is inserted into the inner wall between the cap body and the column body, the water absorption cotton strip is arranged on the inner wall of the central through hole of the orifice plate in a surrounding mode, and the water absorption sponge is arranged at the bottom of the orifice plate.

In a preferred embodiment, a plurality of clamping plates for fixing the orifice plate are arranged on the inner wall of the cap body, and clamping columns for clamping and matching with the clamping plates are arranged on the orifice plate.

In a preferred embodiment, the cap head and the cylinder are movably connected through a fixing mechanism, the fixing mechanism includes two clamping blocks and two clamping grooves, the two clamping blocks are uniformly distributed on the end face where the cap head is matched with the cylinder, and the clamping grooves matched with the clamping blocks are formed in the cylinder.

In a preferred embodiment, a thread groove is formed on the inner annular wall at the opening of the cap body.

The utility model has the technical effects and advantages that:

the utility model is beneficial to sleeving and connecting the injector and the cap body by arranging the thread groove, the pore plate and the absorbent cotton strip, so that the needle head of the injector is sleeved and connected with the absorbent cotton strip fixedly arranged on the inner annular wall of the pore plate, and the absorbent cotton strip absorbs the residual liquid at the needle head part of the injector; through setting up thread groove, concave membrane and piston, utilize the threaded connection mode of thread groove and external syringe, the staff of being convenient for controls the joint of the syringe needle of syringe and the concave membrane at the bottom of the cap inner wall, makes the syringe needle and the piston zonulae occludens of syringe, through the sponge that absorbs water of orifice plate top installation, is favorable to absorbing the inside liquid that falls out of cap, avoids liquid to flow to the device outside.

Drawings

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

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the adsorption mechanism according to the present invention;

FIG. 4 is a bottom view of FIG. 2;

fig. 5 is a partial schematic view of the needle of the present invention inserted into the plunger.

The reference signs are: 1. a cap body; 11. a cylinder; 12. a cap head; 13. clamping a plate; 14. a circular groove; 15. a thread groove; 16. a concave film; 17. a piston; 2. an adsorption mechanism; 21. an orifice plate; 22. clamping the column; 23. a water-absorbing cotton sliver; 24. a water-absorbing sponge; 3. a fixing mechanism; 31. a clamping block; 32. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

according to the figures 1-5, the utility model provides a leakage-proof syringe needle cap, which comprises a needle cap cylinder and a cap head 12 positioned at the bottom of the needle cap cylinder, wherein an adsorption mechanism 2 is arranged in the needle cap body, the needle cap body is divided into a cap body 1 and a cylinder body 11 by the adsorption mechanism 2, and the cap body 1 and the cylinder body 11 are of an integrated structure. The cap body 1 is used for adsorbing redundant liquid, and the bottom end of the column body 11 is movably connected with a cap head 12. Four clamping plates 13 are fixedly connected to the bottom of the inner wall of the cap body 1, circular grooves 14 are formed in the four clamping plates 13, threaded grooves 15 are formed in the inner annular wall of the inlet side of the cap body 1, and therefore workers can use the threaded grooves 15 to be in threaded connection with an external injector, and the external injector is made to be connected with a device stably.

Adsorption device 2 is including the orifice plate 21, four card posts 22, the cotton sliver that absorbs water 23 and the sponge 24 that absorbs water that are equipped with central through-hole, at orifice plate 21 towards one side fixedly connected with four and the circular slot 14 joint complex card posts 22 of thread groove 15, be equipped with the sponge 24 that absorbs water in one side of orifice plate 21 towards cap 12, this sponge 24 that absorbs water is made by polyvinyl alcohol material, the cotton sliver 23 that absorbs water sets up the inner wall department at orifice plate 21 central through-hole, absorbs the inside liquid of cylinder 11 through setting up cotton sliver 23 that absorbs water and sponge 24 that absorbs water, avoids liquid to fall outside the device.

Preferably, cap head 12 and cylinder 11 realize swing joint through fixed establishment 3, fixed establishment 3 includes two fixture blocks 31 and two draw-in grooves 32, and two fixture blocks 31 evenly distributed are seted up on the cooperation terminal surface of cap head 12 and cylinder 11 with fixture block 31 complex draw-in groove 32 on the cooperation terminal surface of cylinder 11 and cap head 12. The stability of the connection between the cap head 12 and the column 11 is improved by the insertion fit of the latch 31 and the slot 32.

The inner diameter size of the inner ring walls of the four circular grooves 14 is matched with the outer diameter size of the outer ring wall of the clamping column 22, the depth size of the inner ring walls of the four circular grooves 14 is matched with the height size of the outer ring wall of the clamping column 22, and therefore the connection stability of the circular grooves 14 and the clamping column 22 is facilitated, and the installation of the pore plate 21 is facilitated.

The outer diameter size of the outer annular wall of the pore plate 21 is matched with the inner diameter size of the top of the inner annular wall of the corresponding cylinder 11, the outer diameter size of the outer annular wall of the absorbent cotton strip 23 is matched with the inner diameter size of the central through hole of the pore plate 21, the area size of the outer annular wall of the absorbent cotton strip 23 is matched with the area size of the inner annular wall of the pore plate 21, and the absorbent cotton strip 23 can be conveniently and normally used.

Preferably, the water absorption sponge 24 is adhered to the pore plate 21 through an adhesive strip, and the adhesive strip is installed to facilitate the improvement of the connection stability of the water absorption sponge 24 and the pore plate 21, so that the water absorption sponge 24 is prevented from falling off from the top end of the pore plate 21 to affect the normal use of the device.

Preferably, the area size on two fixture block 31 outer wall tops all matches the setting with the area size on draw-in groove 32 inner wall top, and the height dimension size of two fixture block 31 outer walls all matches the setting with the degree of depth size of draw-in groove 32 inner wall, and the fixture block 31 of being convenient for carries out stable joint with the inner wall of draw-in groove 32 and is connected, does benefit to the use of device.

The working principle of the utility model is as follows: during the use, the staff establishes the syringe and cap 1 with the cover and is connected for the thread groove 15 threaded connection that the outer wall of syringe and cap 1 inner wall were seted up increases syringe and cap 1 internal connection's stability, avoids falling the normal use because of the unexpected influence of cap 1, and simultaneously, the syringe needle portion that makes the syringe realizes the cover with the concave membrane 16 of cap 12 inner wall and establishes the connection, thereby makes syringe needle and piston 17 zonulae occludens, the syringe of being convenient for is at device internally mounted's stability. Carry out the joint through card post 22 on the orifice plate 21 and the circular slot 14 on the corresponding cardboard 13 for the inner wall zonulae occludens of orifice plate 21 and cylinder 11, thereby make the absorbent cotton sliver 23 of orifice plate 21 internally mounted absorb the liquid of the syringe needle outer wall of process, the absorbent sponge 24 that sets up on the orifice plate 21 adsorbs the liquid of leaving over in the syringe in the cap 12, avoids outside the liquid outflow device.

Example 2:

the utility model provides a liquid leakage prevention syringe needle cap which comprises a needle cap barrel and a cap head 12 positioned at the bottom of the needle cap barrel, wherein an adsorption mechanism 2 is arranged in the needle cap body, the needle cap body is divided into a cap body 1 and a cylinder body 11 by the adsorption mechanism 2, and the cap body 1 and the cylinder body 11 are of an integrated structure. The cap body 1 is used for adsorbing redundant liquid, and the bottom end of the column body 11 is movably connected with a cap head 12. Four clamping plates 13 are fixedly connected to the bottom of the inner wall of the cap body 1, and circular grooves 14 are formed in the four clamping plates 13.

Adsorption device 2 is including the orifice plate 21, four card posts 22, the cotton sliver that absorbs water 23 and the sponge 24 that absorbs water that are equipped with central through-hole, at orifice plate 21 towards one side fixedly connected with of the cap body 1 four with the card post 22 of circular slot 14 joint complex, be equipped with the sponge 24 that absorbs water in orifice plate 21 towards one side of cap head 12, this sponge 24 that absorbs water is made by polyvinyl alcohol material, the cotton sliver 23 that absorbs water sets up in the inner wall department of orifice plate 21 central through-hole, absorbs the inside liquid of cylinder 11 through setting up cotton sliver 23 that absorbs water and sponge 24 that absorbs water, avoids liquid to fall outside the device.

The working principle of the utility model is as follows: when the device is used, a worker connects the syringe with the cap body 1 in a sleeving manner, so that the needle head part of the syringe is connected with the concave film 16 on the inner wall of the cap head 12 in a sleeving manner, the needle head is tightly connected with the piston 17, and the syringe is convenient to install inside the device stably. Carry out the joint through card post 22 on the orifice plate 21 and the circular slot 14 on the corresponding cardboard 13 for the inner wall zonulae occludens of orifice plate 21 and cylinder 11, thereby make the absorbent cotton sliver 23 of orifice plate 21 internally mounted absorb the liquid of the syringe needle outer wall of process, the absorbent sponge 24 that sets up on the orifice plate 21 adsorbs the liquid of leaving over in the syringe in the cap 12, avoids outside the liquid outflow device.

Claims

1. The utility model provides a syringe needle cap of prevention of liquid leakage, includes the needle cap barrel and is located cap (12) of needle cap barrel bottom, its characterized in that: this internal adsorption device (2) that is used for adsorbing unnecessary liquid that is equipped with of needle cap, adsorption device (2) separate into the needle cap body (1) and cylinder (11) two parts, cylinder (11) are connected with cap head (12), are equipped with concave membrane (16) and piston (17) that are used for the joint syringe needle in cap head (12), concave membrane (16) set up the center department at cap head (12) inner bottom, and piston (17) are established in the concave part of concave membrane (16).

2. The leakage-proof syringe needle cap of claim 1, wherein: the adsorption mechanism (2) comprises a pore plate (21), a water absorption cotton strip (23) and water absorption sponge (24), the pore plate (21) is inserted into the inner wall between the cap body (1) and the column body (11), the water absorption cotton strip (23) is arranged on the inner wall of a central through hole of the pore plate (21), and the water absorption sponge (24) is arranged at the bottom of the pore plate (21).

3. The leakage-proof syringe needle cap of claim 2, wherein: the inner wall of the cap body (1) is provided with a plurality of clamping plates (13) used for fixing the pore plate (21), and the pore plate (21) is provided with clamping columns (22) used for being clamped and matched with the clamping plates (13).

4. The leakage-proof syringe needle cap of claim 1, wherein: cap head (12) and cylinder (11) realize swing joint through fixed establishment (3), fixed establishment (3) include fixture block (31) and draw-in groove (32), fixture block (31) are two, evenly distributed on cap head (12) and cylinder (11) complex terminal surface, seted up on cylinder (11) with fixture block (31) complex draw-in groove (32).

5. The leakage-proof syringe needle cap according to any one of claims 1 to 4, wherein: the inner ring wall of the opening of the cap body (1) is provided with a thread groove (15).