CN220581966U - PTFE corrugated pipe connecting structure and pipe body combination mechanism - Google Patents
PTFE corrugated pipe connecting structure and pipe body combination mechanism Download PDFInfo
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- CN220581966U CN220581966U CN202322047189.7U CN202322047189U CN220581966U CN 220581966 U CN220581966 U CN 220581966U CN 202322047189 U CN202322047189 U CN 202322047189U CN 220581966 U CN220581966 U CN 220581966U
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- corrugated
- bellows
- ptfe
- connector
- connecting structure
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- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 48
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 title claims abstract description 9
- 210000001503 joint Anatomy 0.000 claims abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 abstract description 10
- 230000007774 longterm Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The application provides a PTFE bellows connection structure and body combined mechanism. The PTFE corrugated pipe connecting structure comprises a corrugated pipe body and a joint piece. The corrugated pipe body is provided with a pipe cavity, and is also provided with a corrugated groove which is communicated with the pipe cavity. The connector comprises a first connecting part and a connector body, wherein the first connecting part is connected with the connector body, the surface of the first connecting part is provided with a corrugated bulge, the corrugated bulge is matched with the corrugated groove, and the corrugated bulge is arranged in the corrugated groove so that the connector is in threaded connection with the corrugated pipe body, and the connector body is in butt joint with the end part of the corrugated pipe body. Compared with the traditional connection mode, only the first rotating part is screwed into the corrugated pipe body, the joint piece and the corrugated pipe body can be connected, the operation is simpler and quicker, the corrugated protrusion of the first connecting part and the threaded fit of the corrugated groove of the corrugated pipe body can generate multiple sealing bands, and fluid overflow leakage can be well prevented.
Description
Technical Field
The utility model relates to the field of PTFE corrugated pipe connecting structures, in particular to a PTFE corrugated pipe connecting structure and a pipe body combining mechanism.
Background
The PTFE corrugated pipe refers to a polytetrafluoroethylene corrugated pipe, and the corrugated pipe has the inherent performance of polytetrafluoroethylene, namely, excellent chemical stability, corrosion resistance, sealing performance, high lubricating non-viscosity, electrical insulation property and good ageing resistance, and also has high flexibility and elasticity, and the volume and the shape of the PTFE corrugated pipe can be automatically adjusted according to the use environment when the PTFE corrugated pipe is used, so that the PTFE corrugated pipe is widely applied to various fields.
PTFE bellows is as one kind of bellows, its tip need be connected with the tip of other pipelines when using to accomplish fluidic transmission, need realize indirect connection through the connecting piece between pipeline and the pipeline, traditional PTFE bellows and connecting piece's connected mode is with the pagoda type connect in the lumen of PTFE bellows, make pagoda type connect with the lumen interference fit of PTFE bellows, and cup joint tight hoop at the outer wall of PTFE bellows, with the frictional force that increases PTFE bellows and pagoda type connect, and then make connect and PTFE bellows mutually fixed, however, the installation operation of this connection structure is comparatively loaded down with trivial details, and the risk of revealing is great, the reliability is lower, be unfavorable for the long-term use of pipeline.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a PTFE corrugated pipe connecting structure and a pipe body combination mechanism, wherein the connecting structure is simple and convenient in connecting operation, good in connecting sealing performance and long in service life.
The aim of the utility model is realized by the following technical scheme:
a PTFE bellows connecting structure, comprising:
the corrugated pipe body is provided with a pipe cavity, and is also provided with a corrugated groove which is communicated with the pipe cavity;
the connector comprises a first connecting part and a connector body, wherein the first connecting part is connected with the connector body, a corrugated protrusion is arranged on the surface of the first connecting part and is matched with the corrugated groove, the corrugated protrusion is arranged in the corrugated groove, the connector is in threaded connection with the corrugated pipe body, and the connector body is in butt joint with the end part of the corrugated pipe body.
In one embodiment, the PTFE bellows connecting structure further includes a waterproof gasket, the waterproof gasket is sleeved on the first connecting portion, and the waterproof gasket is respectively abutted with the end portion of the bellows body and the joint body.
In one embodiment, the PTFE bellows connecting structure further includes a braided sleeve body, and the braided sleeve body is sleeved on the bellows body.
In one embodiment, the PTFE bellows connecting structure further includes a rubber sleeve, and the rubber sleeve is sleeved on the braided sleeve.
In one embodiment, the braided sleeve body is a stainless steel wire braided sleeve.
In one embodiment, the PTFE bellows connecting structure further comprises a leakage-proof sleeve body and a tightening ring, the leakage-proof sleeve body is connected with the connector body, the leakage-proof sleeve body is sleeved on the woven sleeve body, and the tightening ring is sleeved on the leakage-proof sleeve body.
In one embodiment, the connector body includes a joint portion and a second connection portion, the first connection portion, the joint portion and the second connection portion are sequentially connected, the joint portion is abutted to the end portion of the corrugated pipe body, and the second connection portion is used for being connected with a pipeline.
In one embodiment, the first connecting portion, the combining portion and the second connecting portion are integrally formed.
In one embodiment, the bellows body includes a body portion and an abutment portion, the body portion is connected to the abutment portion, the abutment portion abuts against the joint body, and a cross-sectional area of the abutment portion is larger than a cross-sectional area of the body portion.
A pipe body combination mechanism comprising the PTFE bellows connecting structure of any one of the embodiments.
Compared with the prior art, the utility model has at least the following advantages:
compared with the traditional connection mode, only need with in the first rotary part screw in bellows body, can accomplish the connection of joint spare and bellows body, the operation is more simple swift, help improving packaging efficiency and reduce the equipment degree of difficulty, simultaneously, the bellied multi-seal area of can producing of ripple type protruding and the ripple type recess of bellows body of first connecting part, can prevent better that the fluid from spilling over and revealing, the sealing performance also can further be promoted to the sealing area that the butt of bellows body and joint body produced for joint spare and the connection structure of bellows body have better leakproofness and reliability, more help for long-term use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a PTFE bellows connecting structure in an embodiment.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
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 herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the PTFE bellows connecting structure of an embodiment includes a bellows body 100 and a joint member 200. The corrugated pipe body 100 is provided with a pipe cavity 110, the corrugated pipe body 100 is also provided with a corrugated groove 120, and the corrugated groove 120 is communicated with the pipe cavity 110. The connector 200 includes a first connection portion 210 and a connector body 220, the first connection portion 210 is connected with the connector body 220, a corrugated protrusion 211 is disposed on the surface of the first connection portion 210, the corrugated protrusion 211 is adapted to the corrugated groove 120, and the corrugated protrusion 211 is disposed on the corrugated groove 120, so that the connector 200 is screwed with the corrugated tube body 100, and the connector body 220 is abutted to an end portion of the corrugated tube body 100.
In this embodiment, the PTFE bellows connecting structure includes a bellows body 100 and a joint member 200, where the bellows body 100 is a bellows made of PTFE, and is used for transferring fluid, and the joint member 200 is used for respectively connecting the bellows body 100 and other pipes to transfer the fluid in the bellows body 100 to the other pipes. The bellows body 100 defines a lumen 110, the lumen 110 being configured to receive and transmit a fluid. The joint member 200 includes a first connection portion 210 and a joint body 220, which are connected to each other, wherein the first connection portion 210 is used for being connected to the bellows body 100, it can be understood that the outer wall and the outer wall of the bellows body 100 are both corrugated, that is, the inside of the bellows body 100 is further provided with a corrugated groove 120 communicated with the lumen 110, the surface of the first connection portion 210 is provided with a corrugated protrusion 211, and the structure of the corrugated protrusion 211 on the surface of the first connection portion 210 is matched with the corrugated groove 120 inside the bellows body 100.
Because the structure of the corrugated protrusion 211 on the surface of the first connection portion 210 is matched with the corrugated groove 120 inside the corrugated tube body 100, when the corrugated tube body 100 is assembled with the connector, the first connection portion 210 can be screwed into the corrugated tube body 100, so that the corrugated protrusion 211 of the first connection portion 210 is in threaded fit with the corrugated groove 120 of the corrugated tube body 100, and further, the connector 200 is in threaded connection with the corrugated tube body 100, and when the first connection portion 210 is continuously screwed into the end of the corrugated tube body 100 to abut against the connector body 220, the connection operation of the connector 200 and the corrugated tube body 100 is completed. Compared with the traditional connection mode, only need with in the first rotary part screw in bellows body 100, can accomplish the connection of joint spare 200 and bellows body 100, the operation is more simple swift, help improving packaging efficiency and reduce the equipment degree of difficulty, simultaneously, the bellied 211 of ripple of first connecting portion 210 and the screw thread cooperation of the ripple recess 120 of bellows body 100 can produce multiple closure tape, can prevent better that the fluid from spilling over and revealing, the closure tape that the butt of bellows body 100 and joint body 220 produced also can further promote sealing performance, make joint spare 200 and the connection structure of bellows body 100 have better leakproofness and reliability, more help for long-term use.
As shown in fig. 1, in one embodiment, the PTFE bellows connecting structure further includes a waterproof gasket 300, the waterproof gasket 300 is sleeved on the first connecting portion 210, and the waterproof gasket 300 abuts against the end portion of the bellows body 100 and the joint body 220, respectively. In this embodiment, two planes of the waterproof gasket 300 are respectively abutted against the end plane of the corrugated tube body 100, that is, the surface of the joint body 220, the waterproof gasket 300 is made of soft rubber, and under the action of pressure, the waterproof gasket 300 can be tightly attached to the end surface of the corrugated tube body 100 and the surface of the joint body 220, so that the connection sealing performance between the corrugated tube body 100 and the joint body 220 can be effectively improved, and further leakage of fluid is prevented.
As shown in fig. 1, in one embodiment, the PTFE bellows connecting structure further includes a braided sleeve 400, and the braided sleeve 400 is sleeved on the bellows body 100. In this embodiment, the outer wall of the corrugated pipe body 100 is sleeved with the braided sleeve body 400, and the braided sleeve body 400 has good wear resistance and toughness, can reduce the damage of a sharp object to the corrugated pipe body 100, plays a better protection role on the corrugated pipe body 100, and is beneficial to improving the service life of the corrugated pipe body 100.
As shown in fig. 1, in one embodiment, the PTFE bellows connecting structure further includes a rubber sleeve 500, and the rubber sleeve 500 is sleeved on the braided sleeve 400. In this embodiment, the rubber sleeve 500 is sleeved outside the braided sleeve 400, and the rubber sleeve 500 has good insulation, buffering and chemical protection, so that the braided sleeve 400 and the corrugated pipe 100 can be well protected, the influence of external damage on the corrugated pipe 100 can be reduced, and the service life of the corrugated pipe 100 can be prolonged.
In one embodiment, as shown in fig. 1, the braided sleeve body 400 is a stainless steel wire braided sleeve. In this embodiment, since the braided sleeve body 400 is a stainless steel braided sleeve, the braided sleeve body 400 has strong wear resistance and hardness, and meanwhile, has strong chemical stability, is not easy to oxidize and rust, and can play a good role in protecting the corrugated pipe body 100.
As shown in fig. 1, in one embodiment, the PTFE bellows connecting structure further includes a leakage-proof sleeve 600 and a fastening ring 700, the leakage-proof sleeve 600 is connected to the connector body 220, the leakage-proof sleeve 600 is sleeved on the woven sleeve 400, and the fastening ring 700 is sleeved on the leakage-proof sleeve 600. In this embodiment, the connector body 220 is connected with the anti-leakage sleeve body 600, after the first connection portion 210 is screwed into the corrugated pipe body 100, the anti-leakage sleeve body 600 is sleeved on the woven sleeve body 400, the anti-leakage sleeve body 600 is sleeved with the tightening ring 700, and under the pressure action of the tightening ring 700, the anti-leakage sleeve body 600, the woven sleeve body 400 and the corrugated pipe body 100 can be tightly attached, so that the connection tightness of the PTFE corrugated pipe connection structure is effectively improved.
As shown in fig. 1, in one embodiment, the joint body 220 includes a joint portion 221 and a second connection portion 222, the first connection portion 210, the joint portion 221, and the second connection portion 222 are sequentially connected, the joint portion 221 abuts against an end portion of the bellows body 100, and the second connection portion 222 is used for connecting with a pipe. In this embodiment, the joint body 220 includes a joint portion 221 and a second connection portion 222, the joint portion 221 is a main body of the joint member 200 and is used for respectively connecting the first connection portion 210 and the second connection portion 222, meanwhile, the joint portion 221 is also used for abutting against an end portion of the bellows body 100, so as to achieve the effect of improving the tightness, and the second connection portion 222 is used for connecting with other pipelines and further transmitting the fluid in the bellows body 100 to another pipeline.
As shown in fig. 1, in one embodiment, the first connecting portion 210, the coupling portion 221, and the second connecting portion 222 are integrally formed. In the present embodiment, the first connection portion 210, the coupling portion 221, and the second connection portion 222 are integrally formed, and the integrally formed structure helps to improve the strength of the joint member 200, so that the joint member 200 can withstand greater fluid pressure.
As shown in fig. 1, in one embodiment, the bellows body 100 includes a body portion and an abutment portion, the body portion is connected to the abutment portion, the abutment portion abuts against the joint body 220, and a cross-sectional area of the abutment portion is larger than a cross-sectional area of the body portion. In this embodiment, the abutting portion is used to abut against the connector body 220, and since the cross-sectional area of the abutting portion is larger than that of the body portion, the abutting portion and the connector body 220 have larger contact area after abutting against each other, so that the sealing band with larger travel can be moved, and further the connection sealing performance of the corrugated tube body 100 and the connector body 220 can be improved.
The application also provides a pipe body combination mechanism, which comprises the PTFE corrugated pipe connecting structure in any embodiment. As shown in fig. 1, in one embodiment, the PTFE bellows connecting structure includes a bellows body 100 and a fitting 200. The corrugated pipe body 100 is provided with a pipe cavity 110, the corrugated pipe body 100 is also provided with a corrugated groove 120, and the corrugated groove 120 is communicated with the pipe cavity 110. The connector 200 includes a first connection portion 210 and a connector body 220, the first connection portion 210 is connected with the connector body 220, a corrugated protrusion 211 is disposed on the surface of the first connection portion 210, the corrugated protrusion 211 is adapted to the corrugated groove 120, and the corrugated protrusion 211 is disposed on the corrugated groove 120, so that the connector 200 is screwed with the corrugated tube body 100, and the connector body 220 is abutted to an end portion of the corrugated tube body 100.
In the present embodiment, the PTFE bellows connecting structure includes a bellows body 100 and a joint member 200, the bellows body 100 is used for transmitting fluid, and the joint member 200 is used for connecting the bellows body 100 and other pipes, respectively, to transmit the fluid in the bellows body 100 to the other pipes. The bellows body 100 defines a lumen 110, the lumen 110 being configured to receive and transmit a fluid. The joint member 200 includes a first connection portion 210 and a joint body 220, which are connected to each other, wherein the first connection portion 210 is used for being connected to the bellows body 100, it can be understood that the outer wall and the outer wall of the bellows body 100 are both corrugated, that is, the inside of the bellows body 100 is further provided with a corrugated groove 120 communicated with the lumen 110, the surface of the first connection portion 210 is provided with a corrugated protrusion 211, and the structure of the corrugated protrusion 211 on the surface of the first connection portion 210 is matched with the corrugated groove 120 inside the bellows body 100.
Because the structure of the corrugated protrusion 211 on the surface of the first connection portion 210 is matched with the corrugated groove 120 inside the corrugated tube body 100, when the corrugated tube body 100 is assembled with the connector, the first connection portion 210 can be screwed into the corrugated tube body 100, so that the corrugated protrusion 211 of the first connection portion 210 is in threaded fit with the corrugated groove 120 of the corrugated tube body 100, and further, the connector 200 is in threaded connection with the corrugated tube body 100, and when the first connection portion 210 is continuously screwed into the end of the corrugated tube body 100 to abut against the connector body 220, the connection operation of the connector 200 and the corrugated tube body 100 is completed. Compared with the traditional connection mode, only need with in the first rotary part screw in bellows body 100, can accomplish the connection of joint spare 200 and bellows body 100, the operation is more simple swift, help improving packaging efficiency and reduce the equipment degree of difficulty, simultaneously, the bellied 211 of ripple of first connecting portion 210 and the screw thread cooperation of the ripple recess 120 of bellows body 100 can produce multiple closure tape, can prevent better that the fluid from spilling over and revealing, the closure tape that the butt of bellows body 100 and joint body 220 produced also can further promote sealing performance, make joint spare 200 and the connection structure of bellows body 100 have better leakproofness and reliability, more help for long-term use.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present patent is to be determined by the appended claims.
Claims (10)
1. A PTFE bellows connecting structure, characterized by comprising:
the corrugated pipe body is provided with a pipe cavity, and is also provided with a corrugated groove which is communicated with the pipe cavity;
the connector comprises a first connecting part and a connector body, wherein the first connecting part is connected with the connector body, a corrugated protrusion is arranged on the surface of the first connecting part and is matched with the corrugated groove, the corrugated protrusion is arranged in the corrugated groove, the connector is in threaded connection with the corrugated pipe body, and the connector body is in butt joint with the end part of the corrugated pipe body.
2. The PTFE bellows connecting structure according to claim 1, further comprising a waterproof gasket, wherein the waterproof gasket is sleeved on the first connecting portion, and the waterproof gasket abuts against an end portion of the bellows body and the joint body, respectively.
3. The PTFE bellows connecting structure of claim 1, further comprising a braided sleeve body, wherein the braided sleeve body is sleeved on the bellows body.
4. The PTFE bellows connecting structure of claim 3, further comprising a rubber sleeve, wherein the rubber sleeve is sleeved on the braided sleeve.
5. A PTFE bellows connecting structure according to claim 3, wherein said braid is a stainless steel wire braid.
6. The PTFE bellows connecting structure of claim 3, further comprising a leakage preventing sleeve and a tightening ring, wherein the leakage preventing sleeve is connected to the connector body, the leakage preventing sleeve is sleeved on the woven sleeve, and the tightening ring is sleeved on the leakage preventing sleeve.
7. The PTFE bellows connecting structure of claim 1, wherein the joint body includes a joint portion and a second connecting portion, the first connecting portion, the joint portion, and the second connecting portion are sequentially connected, the joint portion is abutted to an end portion of the bellows body, and the second connecting portion is used for connecting with a pipe.
8. The PTFE bellows connecting structure of claim 7, wherein the first connecting portion, the coupling portion, and the second connecting portion are an integrally formed structure.
9. The PTFE bellows connecting structure according to claim 1, wherein the bellows body includes a body portion and an abutting portion, the body portion is connected to the abutting portion, the abutting portion abuts against the joint body, and a cross-sectional area of the abutting portion is larger than a cross-sectional area of the body portion.
10. A tube combining mechanism, characterized in that the tube combining mechanism comprises the PTFE bellows connecting structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047189.7U CN220581966U (en) | 2023-07-31 | 2023-07-31 | PTFE corrugated pipe connecting structure and pipe body combination mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047189.7U CN220581966U (en) | 2023-07-31 | 2023-07-31 | PTFE corrugated pipe connecting structure and pipe body combination mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581966U true CN220581966U (en) | 2024-03-12 |
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ID=90108130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322047189.7U Active CN220581966U (en) | 2023-07-31 | 2023-07-31 | PTFE corrugated pipe connecting structure and pipe body combination mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581966U (en) |
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2023
- 2023-07-31 CN CN202322047189.7U patent/CN220581966U/en active Active
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