CN219481132U - Injector plug - Google Patents
Injector plug Download PDFInfo
- Publication number
- CN219481132U CN219481132U CN202222154862.2U CN202222154862U CN219481132U CN 219481132 U CN219481132 U CN 219481132U CN 202222154862 U CN202222154862 U CN 202222154862U CN 219481132 U CN219481132 U CN 219481132U
- Authority
- CN
- China
- Prior art keywords
- plug
- blind hole
- injector
- utility
- plug body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 36
- 230000000694 effects Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an injector plug, which belongs to the technical field of medical injectors and comprises a plug body and a plug head, wherein one end of the plug body is provided with a blind hole, the plug head is arranged at the bottom of the blind hole, and the outer surface of one end of the plug body is provided with threads.
Description
Technical Field
The utility model belongs to the technical field of medical syringes, and particularly relates to a syringe plug.
Background
The screw injector is widely applied to places such as hospitals, clinics and doctors and the like, the front end of the screw injector, namely, the periphery of a liquid outlet pipe at the front end of the screw injector is surrounded with a circle of screw part with internal threads, the screw part can be spirally connected with other medical appliances, in actual use, in the process of medicine preparation or transferring, attention is paid to avoiding liquid in the screw injector from overflowing from the liquid outlet pipe, the structure of a plug of the injector matched with the screw injector at present is simpler, the sealing performance is poor, and gaps between the pipe orifice of the liquid outlet pipe and the inside of the plug cannot be plugged, so that liquid always overflows into the plug and then seeps out along the pipe wall.
Therefore, a syringe plug which has better sealing performance, is more sanitary and does not have liquid seepage phenomenon is needed to be produced.
Disclosure of Invention
The utility model provides an injector plug which is used for solving the technical problems that a common plug in the prior art is poor in tightness and easy to leak liquid.
The utility model is realized by the following technical scheme: the utility model provides an injector plug, includes end cap body and chock plug, end cap body one end is equipped with the blind hole, the chock plug sets up the blind hole bottom, end cap body one end is equipped with the screw thread.
In order to better implement the present utility model, a further optimization is made in the above structure, and the plug is an elastic plug.
In order to better realize the utility model, the structure is further optimized, and the plug head is in interference fit with the blind hole.
In order to better realize the utility model, in the structure, the plug body is further optimized to comprise an integrally formed force application part and a connecting part, wherein the force application part is a regular polygon prism, the connecting part is a cylinder, and the inscribed circle outer diameter of the force application part is larger than the outer diameter of the connecting part.
In order to better realize the utility model, the structure is further optimized, the blind hole is formed at one end of the connecting part, and the thread is arranged on the connecting part.
In order to better realize the utility model, the structure is further optimized, one end of the connecting part, which is close to the force application part, is provided with an annular groove, and a sealing ring is arranged in the annular groove.
In order to better realize the utility model, the structure is further optimized, and the other end of the connecting part is provided with an outer chamfer.
In order to better realize the utility model, the structure is further optimized, and the plug is a rubber plug or a silica gel plug.
In order to better realize the utility model, the structure is further optimized, and the plug body is a hard plug.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an injector plug which comprises a plug body and a plug head, wherein one end of the plug body is provided with a blind hole, the plug head is arranged at the bottom of the blind hole, and the outer surface of one end of the plug body is provided with threads.
The plug head is an elastic plug head and has certain elastic deformation capacity, and the liquid outlet pipe orifice of the injector is tightly abutted against the plug head, so that the plug head is inwards concave by extrusion, the liquid outlet pipe orifice is wrapped and sealed, and the sealing and leakage-preventing effects are better.
The plug body comprises the force application part and the connecting part, wherein the force application part is a regular polygon prism, so that the plug body is convenient to be screwed by hand, the connecting part is connected in an annular space between the liquid outlet pipe and the screw part in a matched mode, the inscribed circle outer diameter of the force application part is larger than the outer diameter of the connecting part, and the force application part can be abutted against the end face of the screw part, so that the sealing performance is further improved.
The annular groove is arranged at one end of the connecting part, which is close to the force application part, and the sealing ring is arranged in the annular groove, so that the tool is retracted when the screw thread is machined conveniently, and the sealing ring is radially extruded between the connecting part and the screw part, so that the sealing performance of the plug body is further improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a syringe stopper according to the present utility model;
FIG. 2 is a perspective view of a syringe stopper of the present utility model;
FIG. 3 is a schematic view of a syringe stopper provided with a sealing ring;
fig. 4 is a schematic view of the mounting of the syringe stopper on a screw-on syringe.
In the figure:
1-a plug body;
2-a force application part;
3-connecting part;
4-an annular groove;
5-outer chamfering;
6, a plug head;
7-blind holes;
8-threading;
9-a sealing ring;
10-a liquid outlet pipe;
11-screw part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
Example 1:
in this embodiment, as shown in fig. 1 to 4, an injector plug includes a plug body 1 and a plug 6, specifically, one end of the plug body 1 is provided with a blind hole 7, the blind hole 7 is disposed along a length direction of the plug body 1 and is coaxial with the plug body 1, a drain pipe 10 of an injector can be plugged in the blind hole 7 in a matching manner, the plug 6 is fixed at a bottom of the blind hole 7, the plug 6 is used for plugging a pipe orifice of the drain pipe 10 of the injector, one end of the plug body 1 is provided with a thread 8 for screwing into a threaded portion 11 of the injector, and the thread 8 can be an external thread or an internal thread according to an actual situation of the threaded portion 11 of the injector.
With this structure, by arranging the plug 6 in the blind hole 7, the mouth of the liquid outlet pipe 10 of the injector is dead and pressed against the plug 6 by the screwing force between the screw thread 8 and the screw part 11 of the injector, so that the plug 6 can seal the mouth of the liquid outlet pipe 10 of the injector from the end face in the blind hole 7, thereby preventing the liquid in the injector from overflowing into the blind hole 7, preventing the liquid from further leaking out of the plug body 1, and the utility model has good sealing performance, is clean and sanitary, and has stronger practicability.
In this embodiment, the plug 6 is an elastic plug 6, preferably a rubber plug or a silicone plug, so that the plug 6 has a certain elastic deformation capability.
The plug body 1 is a hard plug, preferably a stainless steel plug or a hard plastic plug, is convenient to process and form, does not deform in use, and ensures the tightness of each sealing position.
As shown in fig. 4, when the liquid outlet pipe 10 of the injector is inserted into the blind hole 7, the pipe orifice of the liquid outlet pipe 10 abuts against the plug 6, and after the screw thread 8 is screwed with the screw part 11, the plug 6 is extruded by the pipe orifice of the liquid outlet pipe 10 to be concave inwards, so that the pipe orifice of the liquid outlet pipe 10 is wrapped and sealed, and the sealing and leakage-preventing effects are better.
In this embodiment, the plug 6 is in interference fit with the blind hole 7.
When the plug 6 is mounted, the tool presses the plug 6 into the bottom of the blind hole 7, so that the plug 6 is prevented from falling out of the blind hole 7.
Example 2:
in this embodiment, as shown in fig. 1 and fig. 2, an injector plug includes a plug body 1 and a plug 6, specifically, one end of the plug body 1 is provided with a blind hole 7, the blind hole 7 is disposed along a length direction of the plug body 1 and is coaxial with the plug body 1, a drain pipe 10 of an injector can be plugged in the blind hole 7 in a matching manner, the plug 6 is fixed at a bottom of the blind hole 7, the plug 6 is used for plugging a pipe orifice of the drain pipe 10 of the injector, one end of the plug body 1 is provided with a thread 8 for screwing into a threaded portion 11 of the injector, and the thread 8 can be an external thread or an internal thread according to an actual situation of the threaded portion 11 of the injector.
In this embodiment, the plug 6 is an elastic plug 6, preferably a rubber plug or a silicone plug, so that the plug 6 has a certain elastic deformation capability.
The plug body 1 is a hard plug, preferably a stainless steel plug or a hard plastic plug, is convenient to process and form, does not deform in use, and ensures the tightness of each sealing position.
As shown in fig. 4, when the liquid outlet pipe 10 of the injector is inserted into the blind hole 7, the pipe orifice of the liquid outlet pipe 10 abuts against the plug 6, and after the screw thread 8 is screwed with the screw part 11, the plug 6 is extruded by the pipe orifice of the liquid outlet pipe 10 to be concave inwards, so that the pipe orifice of the liquid outlet pipe 10 is wrapped and sealed, and the sealing and leakage-preventing effects are better.
In this embodiment, the plug 6 is in interference fit with the blind hole 7.
When the plug 6 is mounted, the tool presses the plug 6 into the bottom of the blind hole 7, so that the plug 6 is prevented from falling out of the blind hole 7.
According to a preferred embodiment, as shown in fig. 2, the plug body 1 includes an integrally formed force applying portion 2 and a connecting portion 3,
the force application part 2 is a regular polygon prism, preferably a regular hexagonal prism, the connection part 3 is a cylinder, the force application part 2 and the connection part 3 are coaxially connected into a whole, the force application part 2 of the regular polygon prism is convenient to be screwed by hand, and the connection part 3 is matched and connected in an annulus between the liquid outlet pipe 10 and the screw part 11.
The external diameter of the inscribed circle of the forcing part 2 is larger than the external diameter of the connecting part 3, and the forcing part 2 is abutted against the end surface of the screw part 11, thereby closing the annular space between the liquid outlet pipe 10 and the screw part 11, and further improving the sealing performance.
In this embodiment, the blind hole 7 is formed at one end of the connecting portion 3, the blind hole 7 extends from one end of the connecting portion 3 to the inside of the urging portion 2,
the screw thread 8 is disposed on the connecting portion 3, the screw thread 8 is screwed with a screw portion 11 of the syringe, a liquid outlet pipe 10 of the syringe is inserted into the blind hole 7, and the liquid outlet pipe 10 of the syringe is preferably in interference fit with the blind hole 7.
Example 3:
in this embodiment, as shown in fig. 1 and fig. 2, an injector plug includes a plug body 1 and a plug 6, specifically, one end of the plug body 1 is provided with a blind hole 7, the blind hole 7 is disposed along a length direction of the plug body 1 and is coaxial with the plug body 1, a drain pipe 10 of an injector can be plugged in the blind hole 7 in a matching manner, the plug 6 is fixed at a bottom of the blind hole 7, the plug 6 is used for plugging a pipe orifice of the drain pipe 10 of the injector, one end of the plug body 1 is provided with a thread 8 for screwing into a threaded portion 11 of the injector, and the thread 8 can be an external thread or an internal thread according to an actual situation of the threaded portion 11 of the injector.
In this embodiment, the plug 6 is an elastic plug 6, preferably a rubber plug or a silicone plug, so that the plug 6 has a certain elastic deformation capability.
The plug body 1 is a hard plug, preferably a stainless steel plug or a hard plastic plug, is convenient to process and form, does not deform in use, and ensures the tightness of each sealing position.
As shown in fig. 4, when the liquid outlet pipe 10 of the injector is inserted into the blind hole 7, the pipe orifice of the liquid outlet pipe 10 abuts against the plug 6, and after the screw thread 8 is screwed with the screw part 11, the plug 6 is extruded by the pipe orifice of the liquid outlet pipe 10 to be concave inwards, so that the pipe orifice of the liquid outlet pipe 10 is wrapped and sealed, and the sealing and leakage-preventing effects are better.
In this embodiment, the plug 6 is in interference fit with the blind hole 7.
When the plug 6 is mounted, the tool presses the plug 6 into the bottom of the blind hole 7, so that the plug 6 is prevented from falling out of the blind hole 7.
According to a preferred embodiment, as shown in fig. 2, the plug body 1 includes an integrally formed force applying portion 2 and a connecting portion 3,
the force application part 2 is a regular polygon prism, preferably a regular hexagonal prism, the connection part 3 is a cylinder, the force application part 2 and the connection part 3 are coaxially connected into a whole, the force application part 2 of the regular polygon prism is convenient to be screwed by hand, and the connection part 3 is matched and connected in an annulus between the liquid outlet pipe 10 and the screw part 11.
The external diameter of the inscribed circle of the forcing part 2 is larger than the external diameter of the connecting part 3, and the forcing part 2 is abutted against the end surface of the screw part 11, thereby closing the annular space between the liquid outlet pipe 10 and the screw part 11, and further improving the sealing performance.
In this embodiment, the blind hole 7 is formed at one end of the connecting portion 3, the blind hole 7 extends from one end of the connecting portion 3 to the inside of the urging portion 2,
the screw thread 8 is disposed on the connecting portion 3, the screw thread 8 is screwed with a screw portion 11 of the syringe, a liquid outlet pipe 10 of the syringe is inserted into the blind hole 7, and the liquid outlet pipe 10 of the syringe is preferably in interference fit with the blind hole 7.
As shown in fig. 3, preferably, an annular groove 4 is provided at one end of the connecting portion 3 near the urging portion 2, and a seal ring 9 is provided in the annular groove 4.
The annular groove 4 is convenient for retracting the cutter during processing the thread 8, and is convenient for processing, and the sealing ring 9 is radially extruded between the connecting part 3 and the screw part 11, so that the sealing performance of the plug body 1 is further improved.
Further, as shown in fig. 3, the other end of the connecting portion 3 is provided with an outer chamfer 5, and the outer chamfer 5 is used for guiding the end of the connecting portion 3 to smoothly enter into the annulus between the liquid outlet pipe 10 and the screw 11, so that the screw 8 is aligned with the screw 11 of the alignment injector, so as to smoothly screw with the screw 11.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (9)
1. An injector plug, characterized in that: the novel plug comprises a plug body (1) and a plug head (6), wherein a blind hole (7) is formed in one end of the plug body (1), the plug head (6) is arranged at the bottom of the blind hole (7), threads (8) are formed in one end of the plug body (1), and the threads (8) are external threads.
2. The syringe stopper of claim 1 wherein: the plug head (6) is an elastic plug head (6).
3. The syringe stopper of claim 2 wherein: the plug head (6) is in interference fit with the blind hole (7).
4. A syringe stopper according to claim 3 wherein: the plug body (1) comprises an integrally formed force application part (2) and a connecting part (3), wherein the force application part (2) is a regular polygon, the connecting part (3) is a cylinder, and the outer diameter of an inscribed circle of the force application part (2) is larger than the outer diameter of the connecting part (3).
5. The syringe stopper of claim 4 wherein: the blind hole (7) is formed in one end of the connecting portion (3), and the thread (8) is arranged on the connecting portion (3).
6. The syringe stopper of claim 5 wherein: an annular groove (4) is formed in one end, close to the force application part (2), of the connecting part (3), and a sealing ring (9) is arranged in the annular groove (4).
7. The syringe stopper of claim 6 wherein: the other end of the connecting part (3) is provided with an outer chamfer (5).
8. The syringe stopper of claim 2 wherein: the plug head (6) is a rubber plug or a silica gel plug.
9. The syringe stopper of claim 8 wherein: the plug body (1) is a hard plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222154862.2U CN219481132U (en) | 2022-08-16 | 2022-08-16 | Injector plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222154862.2U CN219481132U (en) | 2022-08-16 | 2022-08-16 | Injector plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219481132U true CN219481132U (en) | 2023-08-08 |
Family
ID=87478716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222154862.2U Active CN219481132U (en) | 2022-08-16 | 2022-08-16 | Injector plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219481132U (en) |
-
2022
- 2022-08-16 CN CN202222154862.2U patent/CN219481132U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |