CN219712431U - Check valve structure and syringe - Google Patents
Check valve structure and syringe Download PDFInfo
- Publication number
- CN219712431U CN219712431U CN202321017236.7U CN202321017236U CN219712431U CN 219712431 U CN219712431 U CN 219712431U CN 202321017236 U CN202321017236 U CN 202321017236U CN 219712431 U CN219712431 U CN 219712431U
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- Prior art keywords
- sealing
- valve
- inlet
- valve body
- liquid outlet
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 100
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 230000000007 visual effect Effects 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 244000144972 livestock Species 0.000 description 5
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Landscapes
- Check Valves (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a check valve structure and syringe, includes the valve body and sets up in the internal check valve seal structure of valve, check valve seal structure includes sealing body and flexible support body, flexible support body one end and sealing body fixed connection, flexible support body is used for sealing the sealing body the entry of valve body, the syringe body is provided with feed liquor passageway and drain passageway, the feed liquor passageway with a check valve structure is linked together respectively to the drain passageway. According to the utility model, the sealing body and the flexible supporting body are connected into a whole, the flexible supporting body is integrally disassembled during disassembly, the flexible supporting body is convenient to install and use, the sealing body seals the inlet of the valve body, the sealing can be realized by convenient inflow and reset after the compression is finished, and the injector is convenient to operate and use by controlling liquid inlet and liquid outlet through the structures of the other one-way valves respectively.
Description
Technical Field
The utility model relates to the technical field of livestock equipment, in particular to a one-way valve structure and an injector.
Background
In the course of livestock production, disease control injections are required for livestock. The veterinary injector is used for injecting medicines or vaccines into livestock in batches, and the continuous injector is used as one of the veterinary injectors, so that the complicated step that the traditional injector needs to repeatedly suck medicines is omitted due to continuous administration, the injection operation efficiency is greatly improved, and the continuous injector is one of injection instruments widely used in livestock industry.
The problem existing in the prior art is that the continuous injector needs to be disinfected and disassembled, the existing continuous injector is troublesome to disassemble, parts are more, and a user cannot assemble the continuous injector conveniently.
Disclosure of Invention
The utility model aims to provide a check valve structure and a syringe which are easy to disassemble, quick to assemble and good in sealing effect.
In order to solve the technical problems, the utility model provides a one-way valve structure, which adopts the following technical scheme:
the utility model provides a check valve structure, includes the valve body and sets up the check valve seal structure in the valve body, check valve seal structure includes sealing body and flexible support body, flexible support body one end and sealing body fixed connection, flexible support body is used for sealing the sealing body the entry of valve body.
Further, the inlet of the valve body is provided with a sealing gasket, the middle part of the sealing gasket is a hollow part, the contact surface of the sealing body and the sealing gasket is a spherical surface, and the spherical surface is abutted to the hollow part of the sealing gasket.
Further, the flexible support body is provided with a spring, the upper part of the sealing body is a spherical surface, the lower part of the sealing body is provided with a connecting part, the connecting part is fixedly connected with one end of the spring, the spherical surface is abutted to the sealing pad, and the inlet of the valve body is closed.
Further, the valve further comprises a visual body, wherein the visual body is connected above the spherical surface, the diameter of the visual body is smaller than that of the hollow part of the sealing gasket, and the visual body penetrates out of the inlet of the valve body through the hollow part of the sealing gasket.
Further, the interior of the valve body is adapted to the outer shape of the sealing body, and when the sealing body is compressed, the inlet of the valve body forms a liquid passage through the hollow part of the sealing gasket and the side gap of the sealing body.
Further, the lower part of the valve body is provided with an internal thread.
Another object of the utility model is:
the utility model provides an use syringe of check valve structure, includes the syringe body, the syringe body is provided with feed liquor passageway and drain channel, the feed liquor passageway with a check valve structure is linked together respectively to the drain channel.
The injector body is provided with the feed liquor and connects, the lower part of valve body with feed liquor connects screw thread pair and connects the butt, the lower tip of flexible support body with the feed liquor connects, the sealing body seals or opens the entry of valve body, the liquid of feed liquor passageway passes through valve body, sealing body and gets into the injector body through the feed liquor and connects.
The injector body is provided with a liquid outlet joint and a needle connector, the one-way valve structure is arranged in the liquid outlet joint and communicated with a liquid outlet channel, one end of the flexible supporting body is fixedly connected with the sealing body, the other end of the flexible supporting body is in butt joint with the needle connector, the sealing body seals the inlet of the valve body, the needle connector is connected with the screw thread pair of the liquid outlet joint, and liquid in the liquid outlet channel enters the needle connector through the liquid outlet joint, the valve body and the sealing body.
The needle connector is provided with a luer for connecting a needle.
Compared with the prior art, the embodiment of the utility model has the following main beneficial effects:
the utility model provides a check valve structure, includes the valve body and sets up the check valve seal structure in the valve body, check valve seal structure includes sealing body and flexible support body, flexible support body one end and sealing body fixed connection, flexible support body is used for sealing the sealing body the entry of valve body.
According to the utility model, the sealing body and the flexible supporting body are connected into a whole, the flexible supporting body is integrally disassembled during disassembly, the flexible supporting body is convenient to install and use, the sealing body seals the inlet of the valve body, and the flexible supporting body can conveniently realize sealing after inflow and compression are finished.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments of the present utility model, it being apparent that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without the exercise of inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic structural view of the syringe of the present utility model.
1-syringe body, 101-liquid inlet channel, 102-liquid outlet channel, 103-liquid inlet joint, liquid outlet joint, 105-needle connector, 106-visual cavity,
2-sealing body, 201-sphere, 202-connecting portion, 203-visible body
3-spring, 4-valve body, 5-sealing gasket, 501-hollow part.
Description of the embodiments
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
The utility model provides a check valve structure, as shown in FIG. 1, includes valve body 4 and sets up the check valve seal structure in valve body 4, the check valve seal structure includes sealing body 2 and flexible support body, flexible support body one end and sealing body 2 fixed connection, flexible support body is used for sealing body 2 seal the entry of valve body 4.
According to the utility model, the sealing body 2 and the flexible supporting body are connected into a whole, and the flexible supporting body is integrally disassembled during disassembly, so that the flexible supporting body is convenient to install and use, the sealing body 2 seals the inlet of the valve body 4, and the sealing can be realized by convenient inflow and reset after the compression is finished.
Further, a gasket 5 is provided at the inlet of the valve body 4, a hollow portion 501 is provided in the middle of the gasket 5, a contact surface between the sealing body 2 and the gasket 5 is a spherical surface 201, and the spherical surface 201 abuts against the hollow portion 501 of the gasket 5.
Through the entry of sealed valve body 4 that fills up 5 can be better, flexible sealing pad 5 and the sealing body 2 contact of sphere 201, realization seal structure that can be inseparabler, when flexible support body and sealing body 2 are installed in place, the sphere 201 of sealing body 2 can be in the state of being pressed or the position of butt just, the sphere 201 of sealing body 2 can with the hollow 501 butt of sealed pad 5, sealing body 2 oppression sealing pad 5 deformation forms good sealed contact surface, reaches the effect of clearance seal.
The area of the spherical surface 201 passing through the sealing body 2 is larger than the diameter of the hollow 501.
Further, the flexible support body is provided with a spring 3, the upper portion of the sealing body 2 is a spherical surface 201, the lower portion is provided with a connecting portion 202, the connecting portion 202 is fixedly connected with one end of the spring 3, the spherical surface 201 is abutted to the sealing gasket 5, and the inlet of the valve body 4 is closed.
The connecting portion 202 fixed connection of the spring 3 and the sealing body 2 is used for fixedly connecting the spring 3 and the sealing body 2 into a whole, and after the spring is disassembled, the spring is large in size, convenient to find, free from considering the installation direction of the sealing body 2, and high in installation efficiency.
The sealing gasket further comprises a visible body 203, wherein the visible body 203 is connected above the spherical surface 201, the diameter of the visible body 203 is smaller than that of the hollow part 501 of the sealing gasket 5, and the visible body passes through the hollow part 501 of the sealing gasket 5 and out of the inlet of the valve body 4.
The visual body 203 extends out of the inlet of the valve body 4, so that the sealing state of the sealing body 2 can be conveniently observed, and after the viscous liquid passes through the one-way valve, the sealing body 2 can be separated from the interior of the valve body 4 by pressing the visual body 203, so that the control convenience of the sealing body 2 is improved.
Further, the inside of the valve body 4 is adapted to the outer shape of the sealing body 2, and when the sealing body 2 is compressed, the inlet of the valve body 4 forms a liquid passage through the hollow portion 501 of the gasket 5 and the side gap of the sealing body 2.
The liquid channel in the one-way valve can realize one-way controllability through pressure change without power control, and has good one-way flow effect, simple structure and easy maintenance.
The lower part of the valve body 4 is provided with threads. The screw thread is used for connecting the one-way valve with the fitting, and can adopt the connecting mode of external screw thread or internal screw thread.
Another object of the utility model is:
there is provided an injector using a one-way valve structure, comprising an injector body 1, wherein the injector body 1 is provided with a liquid inlet channel 101 and a liquid outlet channel 102, and the liquid inlet channel 101 and the liquid outlet channel 102 are respectively communicated with a one-way valve structure.
The liquid inlet channel 101 and the liquid outlet channel 102 are controlled through the check valve structure, and the inflow and the outflow of the injector are controlled unidirectionally.
Through pulling the piston in the visual chamber 106, can provide the negative pressure, make the medicament liquid in the feed liquor passageway 101 flow into visual chamber 106, still be provided with the scale in the visual chamber 106, visual chamber 106 and liquid outlet channel 102 intercommunication, the scale in control piston's push away notes and visual chamber 106 can control liquid and flow through liquid outlet channel 102 and check valve structure, and control accuracy is high, simple structure does not flow back.
The injector body 1 is provided with a liquid inlet joint 103, the lower part of the valve body 4 is connected with the liquid inlet joint 103 in a threaded pair, the lower end part of the flexible support body is in butt joint with the liquid inlet joint 103, the sealing body 2 seals or opens the inlet of the valve body 4, and liquid in the liquid inlet channel 101 enters the injector body 1 through the valve body 4 and the sealing body 2 and the liquid inlet joint 103.
The injector body 1 is provided with a liquid outlet joint 104 and a needle connector 105, the one-way valve structure is arranged in the liquid outlet joint 104 and is communicated with the liquid outlet channel 102, one end of the flexible supporting body is fixedly connected with the sealing body 2, the other end of the flexible supporting body is abutted to the needle connector, the sealing body 2 seals the inlet of the valve body 4, the needle connector 105 is connected with the liquid outlet joint 104 in a threaded pair, and liquid in the liquid outlet channel 102 enters the needle connector 105 through the liquid outlet joint 104, the valve body 4 and the sealing body 2.
The needle connector 105 is provided with a luer for connecting a needle.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (10)
1. A check valve structure, its characterized in that: the one-way valve comprises a valve body and a one-way valve sealing structure arranged in the valve body, wherein the one-way valve sealing structure comprises a sealing body and a flexible supporting body, one end of the flexible supporting body is fixedly connected with the sealing body, and the flexible supporting body is used for sealing the sealing body at an inlet of the valve body.
2. A one-way valve structure according to claim 1, wherein: the inlet of the valve body is provided with a sealing gasket, the middle part of the sealing gasket is a hollow part, the contact surface of the sealing body and the sealing gasket is a spherical surface, and the spherical surface is abutted with the hollow part of the sealing gasket.
3. A one-way valve structure according to claim 2, wherein: the flexible support body is provided with a spring, the upper part of the sealing body is a spherical surface, the lower part of the sealing body is provided with a connecting part, the connecting part is fixedly connected with one end of the spring, the spherical surface is abutted to the sealing gasket, and the inlet of the valve body is closed.
4. A one-way valve structure according to claim 3, wherein: the valve body is characterized by further comprising a visual body, wherein the visual body is connected above the spherical surface, the diameter of the visual body is smaller than that of the hollow part of the sealing gasket, and the visual body penetrates out of the inlet of the valve body through the hollow part of the sealing gasket.
5. A one-way valve structure according to claim 3, wherein: the interior of the valve body is adapted to the shape of the sealing body, and when the sealing body is compressed, the inlet of the valve body forms a liquid channel through the hollow part of the sealing gasket and the side clearance of the sealing body.
6. A one-way valve structure according to claim 5, wherein: the lower part of the valve body is provided with a threaded interface part.
7. A syringe using the one-way valve structure of any one of claims 1 to 6, characterized in that: the injector comprises an injector body, wherein the injector body is provided with a liquid inlet channel and a liquid outlet channel, and a one-way valve structure is respectively arranged in the liquid inlet channel and the liquid outlet channel.
8. A syringe according to claim 7, wherein: the injector body is provided with the feed liquor and connects, the lower part of valve body with feed liquor connects screw thread pair and connects the butt, the lower tip of flexible support body with the feed liquor connects, the sealing body seals or opens the entry of valve body, the liquid of feed liquor passageway passes through valve body, sealing body and gets into the injector body through the feed liquor and connects.
9. A syringe according to claim 7, wherein: the injector body is provided with a liquid outlet joint and a needle connector, the one-way valve structure is arranged in the liquid outlet joint and communicated with a liquid outlet channel, one end of the flexible supporting body is fixedly connected with the sealing body, the other end of the flexible supporting body is in butt joint with the needle connector, the sealing body seals the inlet of the valve body, the needle connector is connected with the screw thread pair of the liquid outlet joint, and liquid in the liquid outlet channel enters the needle connector through the liquid outlet joint, the valve body and the sealing body.
10. A syringe according to claim 9, wherein: the needle connector is provided with a luer for connecting a needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321017236.7U CN219712431U (en) | 2023-04-28 | 2023-04-28 | Check valve structure and syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321017236.7U CN219712431U (en) | 2023-04-28 | 2023-04-28 | Check valve structure and syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712431U true CN219712431U (en) | 2023-09-19 |
Family
ID=87976896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321017236.7U Active CN219712431U (en) | 2023-04-28 | 2023-04-28 | Check valve structure and syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712431U (en) |
-
2023
- 2023-04-28 CN CN202321017236.7U patent/CN219712431U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |