CN114607848A - Combined inflatable sealing device - Google Patents
Combined inflatable sealing device Download PDFInfo
- Publication number
- CN114607848A CN114607848A CN202210239178.6A CN202210239178A CN114607848A CN 114607848 A CN114607848 A CN 114607848A CN 202210239178 A CN202210239178 A CN 202210239178A CN 114607848 A CN114607848 A CN 114607848A
- Authority
- CN
- China
- Prior art keywords
- seal
- pipe
- protruding portion
- physiosis
- elasticity
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 51
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 2
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 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
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a combined inflatable sealing device in the technical field of inflatable sealing devices for pipe fittings, which comprises a sealing body, wherein a cavity is formed in the middle of the sealing body, an elastic inflatable pipe wraps the outer side of the cavity of the middle main body part of the sealing body, a pressing cover is sleeved and installed on the outer protruding end of the sealing body, and the elastic inflatable pipe is tightly sealed and clamped on the outer side of the sealing body through the pressing cover. Except that elasticity physiosis pipe and air cock other parts all can direct turning shaping, elasticity physiosis pipe also need not formulate according to the specification of pipeline is special, appear damage also only need replace elasticity physiosis pipe can, not only low cost can be suitable for small batch production moreover, simple process, convenient operation.
Description
Technical Field
The invention relates to the technical field of pipe fitting inflatable sealing devices, in particular to a combined inflatable sealing device.
Background
In the use of pipeline, can appear sometimes using inside and outside double-deck sleeve pipe, and form airtight space between the two-deck sleeve pipe or the sealed condition of one end needs the physiosis between the two-deck sleeve pipe, current sealing means mainly uses the totally formula physiosis sealing washer to realize. The pipeline of each specification needs a general inflatable sealing ring matched with the pipeline, a relevant mould needs to be designed and the mould is opened for manufacturing, and in addition, once the inflatable sealing ring is damaged, the whole inflatable sealing ring needs to be replaced; this approach is costly to produce and replace and is not very friendly to small volume products. Based on this, the invention designs a combined inflatable sealing device to solve the problems.
Disclosure of Invention
The present invention is directed to a combination inflatable sealing device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a combination physiosis sealing device, includes the seal, the cavity is seted up to the middle part of seal, the outside parcel that the seal middle part is located the cavity has elasticity physiosis pipe, the outside protrusion of seal is served the cover and is established the installation and compress tightly the lid, and through compressing tightly the outside that the lid was sealed with elasticity physiosis pipe and press from both sides tightly at the seal, the protruding portion is equipped with the air cock on the seal, can carry out the air guide to the cavity in the seal through the air cock.
Preferably, the pressing cover comprises an upper pressing cover and a lower pressing cover, the upper protruding portion of the sealing body is arranged close to the elastic expansion pipe to form the upper pressing cover, the upper protruding portion of the sealing body is provided with an upper nut close to the upper pressing cover, the lower protruding portion of the sealing body is arranged close to the elastic expansion pipe to form the lower pressing cover, and the lower protruding portion of the sealing body is provided with a lower nut close to the lower pressing cover.
Preferably, the sealing body is dumbbell-shaped, the middle of the sealing body is provided with a through hole which can be used for transmitting media, and the through hole is not communicated with the cavity of the middle main body part.
Preferably, the upper protruding portion and the lower protruding portion of the sealing body are both provided with threads, and the upper pressing cover and the lower pressing cover are in threaded connection with the upper protruding portion and the lower protruding portion of the sealing body.
Preferably, the elastic air expansion pipe is an elastic thin-wall pipe.
Preferably, the air tap is connected with an air source.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, and only the sizes of the sealing body and the pressing cover need to be changed for pipelines with different specifications. Except that elasticity physiosis pipe and air cock other parts all can direct turning shaping, elasticity physiosis pipe also need not formulate according to the specification of pipeline is special, appear damage also only need replace elasticity physiosis pipe can, low cost not only can be suitable for small batch production moreover, simple process, convenient operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the combination inflatable sealing device of the present invention;
FIG. 2 is a cross-sectional view of the combination inflatable seal of the present invention;
FIG. 3 is a top view of the combination inflatable seal of the present invention;
fig. 4 is a cross-sectional view of the seal of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the air faucet comprises an upper nut, 2 an upper pressing cover, 3 an elastic air expansion pipe, 4 a sealing body, 5 a lower pressing cover, 6 a lower nut, 7 and an air faucet.
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: a combined inflatable sealing device comprises a sealing body 4, wherein the sealing body 4 is in a dumbbell shape, a cavity is formed in the middle of the sealing body 4, and an elastic inflatable tube 3 is wrapped on the outer side of the cavity in the middle of the sealing body 4;
the external protruding end of the sealing body 4 is sleeved with a pressing cover, the elastic expansion pipe 3 is tightly clamped on the outer side of the sealing body 4 in a sealing mode through the pressing cover, specifically, the pressing cover comprises an upper pressing cover 2 and a lower pressing cover 5, threads are arranged on an upper protruding portion and a lower protruding portion of the sealing body 4, the length of the threads is determined according to the stroke of a nut, and the upper pressing cover 2 and the lower pressing cover 5 are in threaded connection with the upper protruding portion and the lower protruding portion of the sealing body 4; the protruding portion is close to elasticity physiosis 3 and is set up and compress tightly lid 2 on the seal 4, and protruding portion is hugged closely on the seal 4 and is compressed tightly lid 2 and be equipped with nut 1, and 4 protruding portions are close to elasticity physiosis 3 and set up down and compress tightly lid 5 under the seal 4, and 4 protruding portions are hugged closely down and are compressed tightly lid 5 and be equipped with down nut 6 under the seal 4.
Because the elastic air expansion pipe 3 is an elastic thin-wall pipe, when the pipe is damaged, only the elastic air expansion pipe 3 needs to be replaced.
The protruding portion is equipped with air cock 7 on the seal 4, can carry out the air guide to cavity in the seal 4 through air cock 7, and air cock 7 links to each other with the air supply.
The middle of the sealing body 4 is provided with a through hole which can be used for transmitting media, such as hot gas, oil and other required substances, and the through hole is not communicated with the cavity of the middle main body part.
The working principle is that the upper nut 1 and the lower nut 6 are rotated to enable the pressing cover to press the main body part of the sealing body 4, the elastic air expansion pipe 3 is assembled in a sealing mode, the combined air expansion sealing device is arranged at a position needing to be sealed inside a pipeline, an air source inflates the dumbbell-shaped middle cavity of the sealing body 4 through the air nozzle 7, and at the moment, the elastic air expansion pipe 3 expands to fill the gap between the inner wall of the pipeline and the combined sealing device, and sealing is achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A combination inflatable sealing device which is characterized in that: including seal (4), the cavity is seted up to the middle part of seal (4), the outside parcel that main part is located the cavity in the middle of seal (4) has elasticity physiosis pipe (3), the outside protrusion of seal (4) is served the cover and is established the installation and compress tightly the lid, through compressing tightly the outside that covers with elasticity physiosis pipe (3) sealing clamp tightly at seal (4), the protrusion is equipped with air cock (7) on seal (4), can carry out the air guide to seal (4) inner chamber through air cock (7).
2. The combination inflatable seal according to claim 1, wherein: compress tightly the lid including last compress tightly lid (2) and compress tightly lid (5) down, protruding portion is close to elasticity physiosis pipe (3) and sets up and compress tightly lid (2) on seal (4), protruding portion is hugged closely and is compressed tightly lid (2) and be equipped with upper nut (1) on seal (4), and protruding portion is close to elasticity physiosis pipe (3) and sets up down and compress tightly lid (5) under seal (4), protruding portion is hugged closely down and is pressed tightly lid (5) and be equipped with lower nut (6) under seal (4).
3. The combination inflatable seal according to claim 1, wherein: the seal body (4) is dumbbell-shaped, a through hole is formed in the middle of the seal body and can be used for transmitting media, and the through hole is not communicated with the cavity of the middle main body part.
4. The combination inflatable seal according to claim 1, wherein: the upper protruding portion and the lower protruding portion of the sealing body (4) are both provided with threads, and the upper pressing cover (2) and the lower pressing cover (5) are in threaded connection with the upper protruding portion and the lower protruding portion of the sealing body (4).
5. The combination inflatable seal according to claim 1, wherein: the elastic air expansion pipe (3) is an elastic thin-wall pipe.
6. The combination inflatable seal according to claim 1, wherein: the air tap (7) is connected with an air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239178.6A CN114607848B (en) | 2022-03-11 | 2022-03-11 | Combined air-expanding sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239178.6A CN114607848B (en) | 2022-03-11 | 2022-03-11 | Combined air-expanding sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114607848A true CN114607848A (en) | 2022-06-10 |
| CN114607848B CN114607848B (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210239178.6A Active CN114607848B (en) | 2022-03-11 | 2022-03-11 | Combined air-expanding sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114607848B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1204854A (en) * | 1966-09-30 | 1970-09-09 | Pioneer Oilsealing & Moulding | A sealing assembly for liquids |
| DE2725579A1 (en) * | 1977-06-07 | 1978-12-14 | Karl Heinz Vahlbrauk | Thin pipe connection system - uses locking sleeve between socket and pipe, with external thread for nut to engage over socket |
| CN202205591U (en) * | 2011-08-15 | 2012-04-25 | 江西联晟电子有限公司 | Lead wire sealing structure for axial direction aluminium electrolytic capacitor |
| CN202732936U (en) * | 2012-06-14 | 2013-02-13 | 上海宝钢化工有限公司 | Removable aeration sealing plug |
| CN207930199U (en) * | 2018-02-08 | 2018-10-02 | 江南造船(集团)有限责任公司 | Inflatable sealing device for pipeline welding inflation |
| CN210003813U (en) * | 2019-05-31 | 2020-01-31 | 河北瑧诚橡塑科技有限公司 | Composite inflatable sealing ring |
-
2022
- 2022-03-11 CN CN202210239178.6A patent/CN114607848B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1204854A (en) * | 1966-09-30 | 1970-09-09 | Pioneer Oilsealing & Moulding | A sealing assembly for liquids |
| DE2725579A1 (en) * | 1977-06-07 | 1978-12-14 | Karl Heinz Vahlbrauk | Thin pipe connection system - uses locking sleeve between socket and pipe, with external thread for nut to engage over socket |
| CN202205591U (en) * | 2011-08-15 | 2012-04-25 | 江西联晟电子有限公司 | Lead wire sealing structure for axial direction aluminium electrolytic capacitor |
| CN202732936U (en) * | 2012-06-14 | 2013-02-13 | 上海宝钢化工有限公司 | Removable aeration sealing plug |
| CN207930199U (en) * | 2018-02-08 | 2018-10-02 | 江南造船(集团)有限责任公司 | Inflatable sealing device for pipeline welding inflation |
| CN210003813U (en) * | 2019-05-31 | 2020-01-31 | 河北瑧诚橡塑科技有限公司 | Composite inflatable sealing ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114607848B (en) | 2023-11-03 |
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