CN216618920U - Disposable double non-return connector - Google Patents
Disposable double non-return connector Download PDFInfo
- Publication number
- CN216618920U CN216618920U CN202220095407.7U CN202220095407U CN216618920U CN 216618920 U CN216618920 U CN 216618920U CN 202220095407 U CN202220095407 U CN 202220095407U CN 216618920 U CN216618920 U CN 216618920U
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- Prior art keywords
- connecting pipe
- connector
- return
- valve
- disposable double
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- Expired - Fee Related
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- 239000012530 fluid Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000000084 colloidal system Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The utility model discloses a disposable double non-return connector, which comprises a first connecting pipe, a second connecting pipe and a third connecting pipe, wherein the left end of the first connecting pipe is connected with the second connecting pipe, and the right end of the first connecting pipe is connected with the third connecting pipe for conveying fluid; further comprising: the connector, fixed mounting in the end of second connecting pipe, third connecting pipe is used for realizing being connected with the outer tube, left end homogeneous body between first connecting pipe and the third connecting pipe is provided with the check valve, and two the installation direction of check valve is the same, the tip of check valve is provided with two valve blocks, and two the valve block is elastic colloid material and makes. This disposable dual check connector can peg graft with the outer tube of different internal diameters through the connector that the symmetry set up, and application scope is wide, is provided with two check valves simultaneously, can further improve its contrary effect of ending, ensures the singleness of fluid delivery direction, and the practicality is strong.
Description
Technical Field
The utility model relates to the technical field of non-return connectors, in particular to a disposable double non-return connector.
Background
The non-return connector is a device for splicing fluid pipelines, which can prevent the backflow of fluid during the fluid transportation process, and is widely used in the medical field, but the existing non-return connector still has some disadvantages, such as:
1. the connecting end structure of the existing non-return connector is fixed, so that the connector can only be connected with a pipeline with a single aperture, and the application range of the connector is limited to a great extent;
2. most of the existing non-return connectors adopt a single non-return structure, so that the non-return effect of the connection is limited, the non-return structure is possibly closed and delayed in the using process to cause fluid backflow, and certain using defects exist.
We have therefore proposed a disposable double non-return connector in order to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a disposable double non-return connector, which aims to solve the problems that the connecting end structure of the upper non-return connector in the market is fixed, so that the connector can only be connected with a pipeline with a single aperture, the application range of the connector is limited to a great extent, a single non-return structure is adopted, the non-return effect of the connector is limited, and the non-return structure is closed and delayed to cause fluid backflow in the using process.
In order to achieve the purpose, the utility model provides the following technical scheme: the disposable double non-return connector comprises a first connecting pipe, a second connecting pipe and a third connecting pipe, wherein the left end of the first connecting pipe is connected with the second connecting pipe, and the right end of the first connecting pipe is connected with the third connecting pipe for conveying fluid;
further comprising:
and the connector is fixedly arranged at the ends of the second connecting pipe and the third connecting pipe and is used for realizing the connection with the outer pipe.
Preferably, the first connecting pipe, the second connecting pipe and the third connecting pipe are sleeved and fixed one by one, the first connecting pipe, the second connecting pipe and the third connecting pipe are all made of plastic materials, and the pore diameters of the second connecting pipe, the first connecting pipe and the third connecting pipe are reduced in sequence.
Through adopting above-mentioned technical scheme for the fluidic that first connecting pipe, second connecting pipe and third connecting pipe can be stable is carried, avoids the fluidic to take place to leak.
Preferably, the left ends of the first connecting pipe and the third connecting pipe are provided with check valves in a unified manner, and the two check valves are installed in the same direction.
Through adopting above-mentioned technical scheme for two check valves can carry out the backstop twice to the inside of connector, and double insurance to guarantee that the flow direction of the inside fluid of connector is single, avoid appearing the backward flow phenomenon.
Preferably, the end part of the check valve is provided with two valve plates, the two valve plates are made of elastic colloid materials, and the two valve plates are mutually attached.
Through adopting above-mentioned technical scheme for when fluid flow through check valve, the valve block can carry out elastic deformation under fluid impact, thereby makes the check valve open, and when fluid stopped carrying, the valve block can recover under the material elastic action, and then realizes the shutoff to check valve, thereby avoids the fluid backward flow.
Preferably, the connector is provided with two about first connecting pipe symmetry, just the outer wall equidistance of connector is provided with five spacing barbs, and the external diameter of spacing barb is crescent in proper order.
Through adopting above-mentioned technical scheme for the connector is when being connected with external pipeline, and spacing barb can be connected with the pipeline of different internal diameters, thereby has effectively improved the suitability of this connector.
Compared with the prior art, the utility model has the beneficial effects that: the disposable double non-return connector can be spliced with outer pipes with different inner diameters through symmetrically arranged connectors, is wide in application range, can further improve the non-return effect due to the arrangement of the two non-return valves, ensures the single fluid conveying direction, and is high in practicability, and the specific contents are as follows;
1. the connector is provided with the connector and the limiting barbs, the limiting barbs can be tightly abutted and attached to the inner wall of the outer pipe by sleeving the connector with the end part of the outer pipe, stable connection is realized, meanwhile, the limiting barbs with different sizes can be connected with the outer pipes with different inner diameter sizes, and the application range of the connector is effectively expanded;
2. the check valve and the valve plate are arranged, when fluid is conveyed, the valve plate can be elastically deformed under the impact of the fluid, so that the check valve is automatically opened, and when the fluid stops conveying, the valve plate can be automatically reset, so that the check valve is closed, the backflow of the fluid is avoided, double safety can be realized by the arrangement of the two check valves, and the single flowing direction of the fluid can be stably ensured.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is a schematic perspective view of the check valve of the present invention;
FIG. 3 is a schematic perspective view of a connector according to the present invention;
fig. 4 is a schematic perspective view of a first connection pipe, a second connection pipe and a third connection pipe according to the present invention.
In the figure: 1. a first connecting pipe; 2. a second connection pipe; 3. a third connecting pipe; 4. a non-return valve; 401. a valve plate; 5. a connector; 6. limiting barbs.
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. 1-4, the present invention provides a technical solution: the disposable double non-return connector comprises a first connecting pipe 1, a second connecting pipe 2 and a third connecting pipe 3, wherein the left end of the first connecting pipe 1 is connected with the second connecting pipe 2, and the right end of the first connecting pipe 1 is connected with the third connecting pipe 3 for conveying fluid;
further comprising: and the connector 5 is fixedly arranged at the ends of the second connecting pipe 2 and the third connecting pipe 3 and is used for realizing the connection with the outer pipe.
First connecting pipe 1, second connecting pipe 2 and 3 three of third connecting pipe cup joint fixedly one by one, and first connecting pipe 1, second connecting pipe 2 and 3 three of third connecting pipe are the plastics material to second connecting pipe 2, first connecting pipe 1 and 3 three's of third connecting pipe aperture reduce in proper order. Connector 5 is provided with two about 1 symmetry of first connecting pipe, and the outer wall equidistance of connector 5 is provided with five spacing barbs 6, and the external diameter of spacing barb 6 is crescent in proper order, as shown in figure 1 and figure 3, cup joint the connector 5 and the outer pipe tip of second connecting pipe 2 and the 3 both tip of third connecting pipe, make connector 5 can insert the outer pipe tip, the outer pipe inner wall can be hugged closely to spacing barb 6 this moment, thereby realize the joint to the outer pipe, through not unidimensional spacing barb 6, make connector 5 can be connected with not unidimensional outer tube, the application scope of this connector has effectively been enlarged.
The left ends of the first connecting pipe 1 and the third connecting pipe 3 are provided with check valves 4 uniformly, and the installation directions of the two check valves 4 are the same. The end of the check valve 4 is provided with two valve plates 401, and the two valve plates 401 are made of elastic colloid material, and the two valve plates 401 are attached to each other, as shown in fig. 1-2 and fig. 4, when the fluid is conveyed by the first connecting pipe 1, the second connecting pipe 2 and the third connecting pipe 3, the valve plates 401 can be elastically deformed under the action of fluid impact, so that the two valve plates 401 are separated from each other, at this moment, the check valve 4 is in an open state, so that the fluid can be smoothly conveyed, and when the conveyance is stopped, the valve plates 401 can be automatically reset under the action of elastic force, so that the check valve 4 is closed, the backflow phenomenon is avoided, meanwhile, the check valve 4 is provided with two valve plates, double insurance can be played, and the unicity of the fluid flowing direction is effectively ensured.
The working principle is as follows: when the disposable double non-return connector is used, firstly, as shown in fig. 1-4, the connector 5 at the end parts of the second connecting pipe 2 and the third connecting pipe 3 is sleeved with the end part of the outer pipe, so that the connector 5 is clamped and fixed with the outer pipe through the limiting barb 6, then the first connecting pipe 1, the second connecting pipe 2 and the third connecting pipe 3 are utilized to carry out fluid conveying, the two non-return valves 4 can be automatically opened in the output process, and when the conveying is stopped, the non-return valves 4 can be automatically closed, thereby realizing the one-way conveying of the fluid, and further completing a series of works.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The disposable double non-return connector comprises a first connecting pipe (1), a second connecting pipe (2) and a third connecting pipe (3), wherein the second connecting pipe (2) is connected to the left end of the first connecting pipe (1), and the third connecting pipe (3) is connected to the right end of the first connecting pipe (1) and used for conveying fluid;
it is characterized by also comprising:
and the connector (5) is fixedly arranged at the ends of the second connecting pipe (2) and the third connecting pipe (3) and is used for realizing the connection with the outer pipe.
2. The disposable double non-return connector according to claim 1, wherein: first connecting pipe (1), second connecting pipe (2) and third connecting pipe (3) three cup joint fixedly one by one, just first connecting pipe (1), second connecting pipe (2) and third connecting pipe (3) three are the plastics material, and second connecting pipe (2), first connecting pipe (1) and third connecting pipe (3) three's aperture reduces in proper order.
3. The disposable double non-return connector according to claim 1, wherein: the left ends of the first connecting pipe (1) and the third connecting pipe (3) are provided with check valves (4) in a unified mode, and the installation directions of the two check valves (4) are the same.
4. A disposable double non-return connector according to claim 3, characterized in that: the end part of the check valve (4) is provided with two valve plates (401), the two valve plates (401) are made of elastic colloid materials, and the two valve plates (401) are mutually attached.
5. The disposable double non-return connector according to claim 1, wherein: connector (5) are provided with two about first connecting pipe (1) symmetry, just the outer wall equidistance of connector (5) is provided with five spacing barbs (6), and the external diameter of spacing barb (6) is crescent in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220095407.7U CN216618920U (en) | 2022-01-14 | 2022-01-14 | Disposable double non-return connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220095407.7U CN216618920U (en) | 2022-01-14 | 2022-01-14 | Disposable double non-return connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618920U true CN216618920U (en) | 2022-05-27 |
Family
ID=81688954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220095407.7U Expired - Fee Related CN216618920U (en) | 2022-01-14 | 2022-01-14 | Disposable double non-return connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753381A (en) * | 2023-08-17 | 2023-09-15 | 江苏盈天流体科技有限公司 | Quick connector with non-return function and use method |
-
2022
- 2022-01-14 CN CN202220095407.7U patent/CN216618920U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753381A (en) * | 2023-08-17 | 2023-09-15 | 江苏盈天流体科技有限公司 | Quick connector with non-return function and use method |
| CN116753381B (en) * | 2023-08-17 | 2023-11-03 | 江苏盈天流体科技有限公司 | Quick connector with non-return function and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |