CN215426648U - Fastener of explosion-proof needle injector - Google Patents
Fastener of explosion-proof needle injector Download PDFInfo
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- CN215426648U CN215426648U CN202121582047.5U CN202121582047U CN215426648U CN 215426648 U CN215426648 U CN 215426648U CN 202121582047 U CN202121582047 U CN 202121582047U CN 215426648 U CN215426648 U CN 215426648U
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- needle
- stem
- explosion
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Abstract
The utility model relates to an injector buckle, in particular to an explosion-proof needle injector buckle which comprises an injection needle cylinder, a needle stem, a needle head and a needle point, wherein the needle stem is arranged on one side of the injection needle cylinder and communicated with the injection needle cylinder, the needle head is fixed on the injection needle cylinder and is used for inserting one end of the needle stem, the needle point is arranged on the needle stem and is far away from one end of the needle head, a clamping ring is arranged at one end of the needle stem inserted into the needle head, a circular shell matched with the needle head is sleeved on the outer surface of the needle stem, a limiting piece is arranged inside the circular shell, and a mounting assembly is arranged between the circular shell and the needle head. According to the utility model, the round shell sleeve can be fixedly arranged on the needle head through the mounting assembly, one end of the clamping ring is arranged in the needle head, the other end of the clamping ring is extruded by the limiting piece, one side of the clamping ring cannot be pushed out by liquid in the needle head due to the extrusion limiting effect of the limiting piece in the injection process, and further, the medicine is prevented from being spilled due to the needle stem bursting.
Description
Technical Field
The utility model relates to an injector buckle, in particular to an explosion-proof needle injector buckle.
Background
The injector is a common medical device, the principle of the injector is proposed as early as 15 th century, various types are developed at present, and the injector is usually used for injecting the hyaluronic acid into the body of people in the plastic surgery process.
The buckle device that usually lacks between current syringe needle and the needle stalk is fixed through gluing agent etc. generally, because medicines such as hyaluronic acid are comparatively thick, when promoting the syringe, because the liquid pressure in the syringe needle is great, the condition of exploding the needle can take place to cause the medicine unrestrained extravagant.
SUMMERY OF THE UTILITY MODEL
Based on the defects in the prior art mentioned in the background art, the utility model provides the explosion-proof needle injector buckle.
The utility model overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
an explosion-proof needle injector buckle comprises an injection needle cylinder, a needle stem arranged on one side of the injection needle cylinder and communicated with the injection needle cylinder, a needle head fixed on the injection needle cylinder and used for inserting one end of the needle stem, and a needle point arranged on the needle stem and far away from one end of the needle head, wherein a clamping ring is arranged at one end of the needle stem inserted into the needle head, a circular shell matched with the needle head is sleeved on the outer surface of the needle stem, and a limiting piece is arranged inside the circular shell;
the mounting assembly is arranged between the circular shell and the needle head, and the protective assembly is arranged at one end of the needle head.
As a further scheme of the utility model: the mounting assembly comprises an external thread arranged on the outer surface of the needle head and an internal thread arranged on the inner surface of the circular shell and matched with the external thread.
As a still further scheme of the utility model: the protection component comprises a circular end fixed at one end of the needle head and a protection sleeve sleeved on the surface of the circular end.
As a still further scheme of the utility model: a sealing gasket is fixed inside the needle head, and a through hole is formed in the sealing gasket.
As a still further scheme of the utility model: the anti-skid device is characterized in that anti-skid grains are arranged on the circular shell sleeve and are uniformly distributed on the surface of the circular shell sleeve in an annular mode.
As a still further scheme of the utility model: the surface of the limiting piece is fixed with a magnet piece, and the clamping ring is made of a magnetic alloy material.
After adopting the structure, compared with the prior art, the utility model has the following advantages: can be with circular shell fixed mounting on the syringe needle through the installation component, the inside of syringe needle is inserted to the inside snap ring one end of circular shell this moment, and the other end of snap ring receives the limiting displacement of spacing piece and can't shift out the syringe needle, and at the injection in-process, even the inside liquid pressure of syringe needle is great, snap ring one side also can not be released the syringe needle because of the extrusion limiting displacement that receives spacing piece, and then has avoided the needle stalk to explode the needle and cause the medicine unrestrained.
Drawings
FIG. 1 is a schematic view of the present invention showing the structure thereof disassembled.
Fig. 2 is a general schematic view of the structure of the present invention.
FIG. 3 is a schematic structural view of the position-limiting plate and the internal thread of the present invention.
FIG. 4 is a schematic view of the structure of the needle stem and the retainer ring of the present invention.
Fig. 5 is a structural sectional view of the present invention.
In the figure: 1. an injection syringe; 2. needle peduncle; 3. a needle head; 4. a needle tip; 5. a snap ring; 6. a circular housing; 7. a limiting sheet; 8. an external thread; 9. an internal thread; 10. a round end; 11. a protective sleeve; 12. sealing gaskets; 13. anti-skid lines; 14. and a magnet piece.
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.
Referring to fig. 1 to 5, in the embodiment of the present invention, an explosion-proof needle injector buckle includes an injection needle cylinder 1, a needle stem 2 disposed on one side of the injection needle cylinder 1 and communicated with the injection needle cylinder 1, a needle 3 fixed on the injection needle cylinder 1 and allowing one end of the needle stem 2 to be inserted into, and a needle point 4 disposed on the needle stem 2 and far away from one end of the needle 3, wherein one end of the needle stem 2 inserted into the needle 3 is provided with a snap ring 5, a circular casing 6 matched with the needle 3 is sleeved on an outer surface of the needle stem 2, and a limiting sheet 7 is disposed inside the circular casing 6;
a mounting component is arranged between the circular shell 6 and the needle 3, and a protective component is arranged at one end of the needle 3;
firstly, a round shell 6 is sleeved at one end of a needle stem 2, so that a snap ring 5 at one end of the needle stem 2 is abutted against a limiting sheet 7 in the round shell 6, then the round shell 6 is sleeved on a needle head 3 and the round shell 6 is screwed by hand, at the moment, a mounting component acts on the needle head 3 and the round shell 6, so that the round shell 6 moves towards the direction close to an injection syringe 1 and the round shell 6 is fixedly mounted on the needle head 3, at the moment, one end of the snap ring 5 positioned in the round shell 6 is inserted into the needle head 3, and meanwhile, the other end of the snap ring 5 cannot move out of the needle head 3 due to the limiting action of the limiting sheet 7, even if the liquid pressure in the needle head 3 is high, one side of the snap ring 5 cannot be pushed out of the needle head 3 due to the extrusion and extrusion limiting action of the limiting sheet 7, and because the snap ring 5 is arranged at one end of the needle stem 2, further avoid the emergence that the needle stem 2 explodes the needle, the protection component can cover needle point 4 in addition, can avoid people to twist the circular shell 6 with the hand and simultaneously be stabbed by needle point 4.
In one embodiment of the utility model, the mounting assembly comprises an external thread 8 arranged on the outer surface of the needle 3, and an internal thread 9 arranged on the inner surface of the circular housing 6 and matched with the external thread 8;
screwing circular housing 6 by hand causes circular housing 6 to rotate, at which time external thread 8 on the outer surface of needle 3 interacts with internal thread 9 on the inner surface of circular housing 6, circular housing 6 moves along the surface of needle 3 in the direction of approaching syringe 1 while rotating, and circular housing 6 is fixedly mounted on needle 3 by the interaction of external thread 8 and internal thread 9.
In another embodiment of the present invention, the protective assembly includes a round end 10 fixed at one end of the needle 3, and a protective sleeve 11 sleeved on the surface of the round end 10;
the inner diameter of the protective sleeve 11 is slightly larger than the outer diameter of the round end 10, the protective sleeve 11 is sleeved on the round end 10, the needle stalk 2 and the needle point 4 can be completely covered by the protective sleeve 11 at the moment, so that the phenomenon that the hand of a user accidentally touches the needle point 4 to be stabbed when the round shell 6 is screwed by the hand is avoided, and meanwhile, the protective sleeve 11 can also prevent the needle stalk 2 from being polluted by external dust.
In another embodiment of the present invention, a sealing gasket 12 is fixed inside the needle 3, and a through hole is opened on the sealing gasket 12;
when the snap ring 5 inserts the inside of syringe needle 3, the one end of snap ring 5 can be inconsistent with the inside seal gasket 12 of syringe needle 3, because the other end of snap ring 5 is inconsistent with spacing piece 7, consequently the snap ring 5 can be in the same place with the close laminating between seal gasket 12 under spacing piece 7's squeezing action to the leakproofness of seam crossing between snap ring 5 and the syringe needle 3 prevents that the liquid medicine flows from the gap department between syringe needle 3 and the snap ring 5 during the injection.
In another embodiment of the present invention, the circular shell 6 is provided with anti-slip threads 13, and the anti-slip threads 13 are uniformly distributed on the surface of the circular shell 6 in a ring shape;
when people twist the circular shell 6 by hand, the anti-skidding threads 13 can be in direct contact with the hand, so that the friction between the hand and the surface of the circular shell 6 can be increased, and the hand is prevented from skidding when the circular shell 6 is twisted.
In another embodiment of the present invention, a magnet piece 14 is fixed on the surface of the position-limiting piece 7, and the snap ring 5 is made of a magnetic alloy material;
when the circular shell 6 is sleeved at the end part of the needle stem 2, the snap ring 5 is abutted to the limit sheet 7 inside the circular shell 6, the snap ring 5 can be adsorbed by the magnet sheet 14 on the surface of the limit sheet 7, when the circular shell 6 is sleeved on the needle head 3 and the circular shell 6 is screwed, the needle stem 2 cannot slide in the circular shell 6, and the installation process is more convenient.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (6)
1. An explosion-proof needle injector buckle comprises an injection needle cylinder (1), a needle stem (2) which is arranged on one side of the injection needle cylinder (1) and communicated with the injection needle cylinder (1), a needle head (3) which is fixed on the injection needle cylinder (1) and used for inserting one end of the needle stem (2), and a needle point (4) which is arranged on the needle stem (2) and far away from one end of the needle head (3), and is characterized in that a clamping ring (5) is arranged at one end of the needle stem (2) inserted into the needle head (3), a circular shell sleeve (6) matched with the needle head (3) is sleeved on the outer surface of the needle stem (2), and a limiting piece (7) is arranged inside the circular shell sleeve (6);
wherein, be provided with the installation component between circular shell (6) and syringe needle (3), the one end of syringe needle (3) is provided with protection component.
2. An anti-explosion needle syringe catch as claimed in claim 1, wherein the mounting assembly comprises an external thread (8) provided on the outer surface of the needle (3) and an internal thread (9) provided on the inner surface of the circular housing (6) and cooperating with the external thread (8).
3. An anti-explosion needle syringe latch as claimed in claim 1, characterized in that said shield assembly comprises a circular end (10) fixed to one end of said needle (3) and a shield (11) fitted over the surface of said circular end (10).
4. The buckle of the explosion-proof needle syringe as recited in claim 1, wherein a sealing gasket (12) is fixed inside the needle (3), and the sealing gasket (12) is provided with a through hole.
5. The buckle of the explosion-proof needle syringe as recited in claim 1, wherein the circular housing (6) is provided with anti-slip threads (13), and the anti-slip threads (13) are uniformly distributed on the surface of the circular housing (6) in a ring shape.
6. The buckle of the explosion-proof needle injector as claimed in claim 1, wherein a magnet piece (14) is fixed on the surface of the limiting piece (7), and the snap ring (5) is made of a magnetic alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121582047.5U CN215426648U (en) | 2021-07-13 | 2021-07-13 | Fastener of explosion-proof needle injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121582047.5U CN215426648U (en) | 2021-07-13 | 2021-07-13 | Fastener of explosion-proof needle injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215426648U true CN215426648U (en) | 2022-01-07 |
Family
ID=79716290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121582047.5U Active CN215426648U (en) | 2021-07-13 | 2021-07-13 | Fastener of explosion-proof needle injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215426648U (en) |
-
2021
- 2021-07-13 CN CN202121582047.5U patent/CN215426648U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |