CN213759988U - Needle sheath for plastic syringe - Google Patents
Needle sheath for plastic syringe Download PDFInfo
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- CN213759988U CN213759988U CN202022384592.5U CN202022384592U CN213759988U CN 213759988 U CN213759988 U CN 213759988U CN 202022384592 U CN202022384592 U CN 202022384592U CN 213759988 U CN213759988 U CN 213759988U
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- pipe
- needle
- covering
- clamping
- cover
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Abstract
The utility model belongs to the field of medical equipment, in particular to a needle sheath for a plastic syringe, which comprises a covering mechanism, wherein the covering mechanism comprises a covering pipe and a clamping pipe coaxially fixed at the bottom end of the covering pipe, the top end of the inner wall of the clamping pipe is fixedly connected with a limiting ring, the bottom end of the limiting ring is symmetrically and fixedly connected with two elastic pieces, and one surface of the two elastic pieces close to the bottom end is fixedly connected with a clamping block; when using, establish the syringe needle if needs cover temporarily, establish the first groove of wearing on managing through card pipe second groove of wearing and cover with the syringe needle pipeline, it establishes intraductally to remove to card pipe and cover, then will block pipe downstream, make card pipe peg graft at the syringe needle link, then stimulate push-and-pull ring to the below, the folding tube expandes downwards, establish the first groove of wearing on managing to the cover and cover, personnel's hand need not remove the end of stabbing to the syringe needle, only just can accomplish the holistic protection of syringe needle at the root of syringe needle, effectively prevent that the end of stabbing of syringe needle from stabbing personnel's hand.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a needle sheath for a plastic syringe.
Background
The syringe is a common medical appliance, and modern medical syringes are mostly made of plastics, and this has also further reduced the risk of blood transmission disease, and disposable plastic syringe divides into three-piece formula and two-part formula, and three-piece formula structure is core bar, plug, overcoat three and syringe needle, extranal packing are constituteed, and two-part formula structure is core bar, overcoat, syringe needle, extranal packing are constituteed, when the in-service use, need cover the syringe needle and establish the protection.
When the needle head of the existing plastic syringe needle head sheath is covered on the needle head, the tail end of the needle head sheath needs to be moved to the puncturing end of the needle head, the hand of a person needs to be moved to the puncturing end of the needle head, the hand of the person is easy to contact with the puncturing end of the needle head, puncture infection is caused, and the danger is high. Accordingly, one skilled in the art provides a needle sheath for a plastic syringe to address the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a needle sheath for a plastic syringe, which solves the problems in the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a needle sheath for a plastic syringe comprises a covering mechanism, the covering mechanism comprises a covering tube and a clamping tube coaxially fixed at the bottom end of the covering tube, the top end of the inner wall of the clamping tube is fixedly connected with a limiting ring, the bottom end of the limiting ring is symmetrically and fixedly connected with two elastic sheets, one surface of the two elastic sheets close to the bottom end is fixedly connected with a clamping block, the covering pipe is provided with a first through groove, the clamping pipe is provided with a second through groove corresponding to the first through groove, the top end of the covering pipe is provided with a protection mechanism which comprises a storage disc and a folding pipe, the folding pipe is positioned at the inner side of the containing disc, the top end of the folding pipe is fixedly connected with the top surface of the inner wall of the containing disc, the folding pipe sleeve is arranged on the outer side of the cover pipe, the folding pipe is far away from a push pull ring which is fixedly connected with one end of the storage disc coaxially, and the push pull ring is slidably arranged on the outer side of the cover pipe.
As a further aspect of the present invention: the top surface of the push-pull ring is embedded and fixed with a magnetic block corresponding to the storage disc, and the bottom surface of the push-pull ring is also embedded and fixed with a magnetic block corresponding to the clamping tube.
As a further aspect of the present invention: the outer diameter of the push-pull ring is larger than that of the containing disc, and the outer diameter of the push-pull ring is larger than that of the clamping tube.
As a further aspect of the present invention: the inner wall of the limiting ring is fixedly bonded with a damping layer, and the damping layer is made of rubber.
As a further aspect of the present invention: the thickness of the damping layer is two millimeters.
As a further aspect of the present invention: the elastic sheet and the clamping block are made of plastics.
As a further aspect of the present invention: and anti-skid grains are arranged on the periphery of the outer side wall of the clamping pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
when the novel syringe is used, if a needle head is temporarily covered by a user, the novel syringe pushes the push-pull ring to the top, the clamping pipe is moved to the lowest part of the needle head pipeline, the needle head pipeline is arranged in a first through groove on the clamping pipe through the clamping pipe second through groove and the clamping pipe, the novel syringe is arranged in the clamping pipe and the clamping pipe, the clamping pipe moves downwards, the clamping pipe is inserted into the needle head connecting end in a plugging mode, the novel syringe is located above the tail flange of the needle head connecting end, the push-pull ring is pulled to the lowest part and is in contact with the clamping pipe, when the clamping pipe is pulled downwards, the folding pipe expands downwards, the first through groove on the clamping pipe is covered by the clamping pipe, the needle head is protected, bacteria contamination is prevented, when the needle head is covered by the novel syringe, the hand of the user does not need to move to the puncturing end of the needle head, the protection of the whole needle head can be completed only at the root of the needle head, the puncturing end of the needle head is effectively prevented from puncturing the hand, and the safety is improved.
Drawings
FIG. 1 is a schematic view of a needle sheath for a plastic syringe;
FIG. 2 is a schematic view of the internal structure of a receiving disc for use in the needle sheath of a plastic syringe;
FIG. 3 is an enlarged view of the point A in FIG. 2;
fig. 4 is a schematic view of the internal structure of a cartridge used in a needle sheath of a plastic syringe.
In the figure: 1. a covering mechanism; 101. a first through groove; 102. a second through groove; 11. covering the pipe; 12. clamping the pipe; 13. a limiting ring; 14. a damping layer; 15. a spring plate; 16. a clamping block; 2. a protection mechanism; 21. a storage tray; 22. folding the tube; 23. a pull ring is pushed; 24. and (6) magnetically attracting the block.
Detailed Description
Referring to fig. 1-4, in the embodiment of the present invention, a needle sheath for a plastic syringe comprises a covering mechanism 1, the covering mechanism 1 comprises a covering tube 11 and a clip tube 12 coaxially fixed at the bottom end thereof, the top end of the inner wall of the clip tube 12 is fixedly connected with a spacing ring 13, the bottom end of the spacing ring 13 is symmetrically and fixedly connected with two elastic pieces 15, one side of the two elastic pieces 15 close to the bottom end is fixedly connected with a clip block 16, the covering tube 11 is provided with a first through groove 101, the clip tube 12 is provided with a second through groove 102 corresponding to the first through groove 101, the top end of the covering tube 11 is provided with a protection mechanism 2, the protection mechanism 2 comprises a containing disc 21 and a folding tube 22, the folding tube 22 is located at the inner side of the containing disc 21, the top end of the folding tube 22 is fixedly connected with the top surface of the inner wall of the containing disc 21, the folding tube 22 is sleeved on the outer side of the covering tube 11, one end of the folding, the pulling ring 23 is slidably sleeved on the outer side of the covering pipe 11.
In this embodiment: when the device is used, if a needle needs to be temporarily covered, a person pushes the push-pull ring 23 to the uppermost position, moves the clamp tube 12 to the lowest position of the needle tube, moves the needle tube into the clamp tube 12 and the covered tube 11 through the second through groove 102 of the clamp tube 12 and the first through groove 101 of the covered tube 11, then moves the clamp tube 12 downwards to enable the clamp tube 12 to be inserted into the needle connecting end and positioned above the tail flange of the needle connecting end, then pulls the push-pull ring 23 to the lowermost position and contacts with the clamp tube 12, when the clamp tube 12 is pulled downwards, the folding tube 22 is unfolded downwards to cover the first through groove 101 of the covered tube 11 to protect the needle and prevent bacteria from being infected, when the needle is covered, the hand of the person does not need to be moved to the puncture end of the needle, the protection of the whole needle can be completed only at the root of the needle, and the puncture end of the needle can be effectively prevented from puncturing the hand, improve the security, when the syringe needle need be abandoned to finish using, peg graft card pipe 12 behind the syringe needle link, continue to press card pipe 12 downwards for the flange and the fixture block 16 contact of syringe needle link afterbody, and remove to 16 tops of fixture block, under the effect of shell fragment 15, fixture block 16 carries out the joint to the flange of syringe needle link afterbody, and at this moment, the syringe needle can't be taken out, effectively prevents that mistake such as children from touching and causing cross infection.
In fig. 2 and 3: the top surface that the pipe 11 was established to the cover inlays and establishes and be fixed with magnetism piece 24 of inhaling that corresponds with storage disc 21, the magnetism piece 24 of inhaling of push-and-pull ring 23 top surface can be connected with storage disc 21 magnetism, when push-and-pull ring 23 removed to the top, magnetism piece 24 is inhaled with storage disc 21 magnetism and is connected, can not take place to drop, high durability and convenient use, the bottom surface of push-and-pull ring 23 also inlays and establishes the magnetism piece 24 of inhaling that is fixed with and blocks pipe 12 and corresponds, the magnetism piece 24 of inhaling of push-and-pull ring 23 bottom surface can be connected with card pipe 12 magnetism, when push-and-pull ring 23 removed to the below, magnetism piece 24 is inhaled with card pipe 12 magnetism and is connected, can not take place to drop, high durability and convenient use.
In fig. 1 and 2: the external diameter of pushing away pull ring 23 is greater than the external diameter of storage disc 21, and the external diameter of pushing away pull ring 23 is greater than the external diameter of card pipe 12, and the outstanding storage disc 21 of pushing away pull ring 23 and card pipe 12, personnel are convenient for hold between the fingers when sliding to it, and anti-skidding line has been seted up to the lateral wall a week of card pipe 12, increases frictional force, and personnel are holding between the fingers the time, can not take place the phenomenon of slippage.
In fig. 4: the inner wall bonding of spacing ring 13 is fixed with damping layer 14, can improve frictional force, and damping layer 14's material is rubber, and rubber's damping layer 14 frictional force is better, and has certain elasticity, can not cause the damage to the syringe needle, and damping layer 14's thickness is two millimeters, guarantees its effectual deformation volume, makes it press from both sides tightly to the syringe needle, and the material of shell fragment 15 and fixture block 16 is plastics, can not take place the corrosion, can not produce the rusty slag and pollute the syringe needle.
The utility model discloses a theory of operation is: when the device is used, if a needle needs to be temporarily covered, a person pushes the push-pull ring 23 to the uppermost position, moves the clamp tube 12 to the lowest position of the needle tube, moves the needle tube into the clamp tube 12 and the covered tube 11 through the second through groove 102 of the clamp tube 12 and the first through groove 101 of the covered tube 11, then moves the clamp tube 12 downwards to enable the clamp tube 12 to be inserted into the needle connecting end and positioned above the tail flange of the needle connecting end, then pulls the push-pull ring 23 to the lowermost position and contacts with the clamp tube 12, when the clamp tube 12 is pulled downwards, the folding tube 22 is unfolded downwards to cover the first through groove 101 of the covered tube 11 to protect the needle and prevent bacteria from being infected, when the needle is covered, the hand of the person does not need to be moved to the puncture end of the needle, the protection of the whole needle can be completed only at the root of the needle, and the puncture end of the needle can be effectively prevented from puncturing the hand, improve the security, when the syringe needle need be abandoned to finish using, peg graft card pipe 12 behind the syringe needle link, continue to press card pipe 12 downwards for the flange and the fixture block 16 contact of syringe needle link afterbody, and remove to 16 tops of fixture block, under the effect of shell fragment 15, fixture block 16 carries out the joint to the flange of syringe needle link afterbody, and at this moment, the syringe needle can't be taken out, effectively prevents that mistake such as children from touching and causing cross infection.
The above-mentioned, 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 (7)
1. The needle sheath for the plastic syringe is characterized by comprising a covering mechanism (1), wherein the covering mechanism (1) comprises a covering pipe (11) and a clamping pipe (12) coaxially fixed at the bottom end of the covering pipe, the top end of the inner wall of the clamping pipe (12) is fixedly connected with a limiting ring (13), the bottom end of the limiting ring (13) is symmetrically and fixedly connected with two elastic sheets (15), one side of the two elastic sheets (15) close to the bottom end is fixedly connected with a clamping block (16), the covering pipe (11) is provided with a first through groove (101), the clamping pipe (12) is provided with a second through groove (102) corresponding to the first through groove (101), the top end of the covering pipe (11) is provided with a protection mechanism (2), the protection mechanism (2) comprises a storage disc (21) and a folding pipe (22), and the folding pipe (22) is positioned on the inner side of the storage disc (21), the top of folding pipe (22) with the inner wall top surface fixed connection of storage disc (21), folding pipe (22) cover is established the pipe (11) outside is established to the cover, folding pipe (22) are kept away from the coaxial fixedly connected with of one end of storage disc (21) pushes away pull ring (23), it establishes to push away pull ring (23) sliding sleeve the outside of managing (11) is established to the cover.
2. The needle sheath for a plastic syringe as claimed in claim 1, wherein the top surface of the pushing-pulling ring (23) is embedded and fixed with a magnetic block (24) corresponding to the receiving disc (21), and the bottom surface of the pushing-pulling ring (23) is also embedded and fixed with the magnetic block (24) corresponding to the clamping tube (12).
3. Needle sheath for a plastic syringe according to claim 1, characterized in that the outer diameter of the pushing-on ring (23) is greater than the outer diameter of the receiving disc (21), the outer diameter of the pushing-on ring (23) being greater than the outer diameter of the snap tube (12).
4. Needle sheath for plastic syringe according to claim 1, characterized in that the inner wall of the stop collar (13) is adhesively fixed with a damping layer (14), the damping layer (14) is made of rubber.
5. Needle sheath for a plastic syringe according to claim 4, characterized in that the damping layer (14) has a thickness of two millimetres.
6. The needle sheath for a plastic syringe according to claim 1, wherein the spring (15) and the latch (16) are made of plastic.
7. Needle sheath for plastic syringes according to claim 1, characterised in that the outside wall of the clip tube (12) is provided with anti-slip threads all around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384592.5U CN213759988U (en) | 2020-10-23 | 2020-10-23 | Needle sheath for plastic syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384592.5U CN213759988U (en) | 2020-10-23 | 2020-10-23 | Needle sheath for plastic syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213759988U true CN213759988U (en) | 2021-07-23 |
Family
ID=76910751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022384592.5U Active CN213759988U (en) | 2020-10-23 | 2020-10-23 | Needle sheath for plastic syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213759988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115054781A (en) * | 2022-05-26 | 2022-09-16 | 扬州美德莱医疗用品股份有限公司 | Connecting structure of safety needle shield and needle seat |
-
2020
- 2020-10-23 CN CN202022384592.5U patent/CN213759988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115054781A (en) * | 2022-05-26 | 2022-09-16 | 扬州美德莱医疗用品股份有限公司 | Connecting structure of safety needle shield and needle seat |
| CN115054781B (en) * | 2022-05-26 | 2024-05-31 | 扬州美德莱医疗用品股份有限公司 | Connection structure of safety needle cover and needle seat |
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