CN208565938U - Acting pipe locking sealing device - Google Patents
Acting pipe locking sealing device Download PDFInfo
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- CN208565938U CN208565938U CN201821130899.9U CN201821130899U CN208565938U CN 208565938 U CN208565938 U CN 208565938U CN 201821130899 U CN201821130899 U CN 201821130899U CN 208565938 U CN208565938 U CN 208565938U
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Abstract
The utility model relates to a kind of acting pipe locking sealing devices, including bolt and nut, bolt includes bolt head and the screw rod that connect with bolt head, nut is socketed on screw rod, rubber packing set, the first external conical sleeve and the second external conical sleeve are successively arranged on screw rod between bolt head and nut, an inner conical drogue is arranged with outside the conical surface of first external conical sleeve and the second external conical sleeve, turn the axial movement that nut makes the first external conical sleeve and the second external conical sleeve along screw rod, rubber packing set is set to generate deformation for a seal for pipe joints or opening, and inner conical drogue generates deformation with by acting pipe locking or release.This device can play sealing locking effect to pipeline in a short time, and convenient disassembly is that the batch hydraulic pressure test of bearing pipe improves productivity effect.
Description
Technical field
The utility model relates to bearing pipe manufacturing field more particularly to a kind of acting pipe locking sealing devices.
Background technique
In various pipeline engineering according to corresponding construction inspection rules requirement, it is necessary to the pipeline being installed into
Row pressure resistance and leakage test, to check the installation quality of pipeline.Once discovery loss zone is very troublesome after Pipe installing operation,
Therefore pressure testing inspection must be carried out by root before Pipe installing, finds leaking pipe, early to guarantee installation quality.
Pipeline pressure resistance and seal tightness test are generally completed by the water pressure test, and hydraulic test method includes: will before suppressing
The both ends for testing pipeline are closed with steel block apparatus, then again connect tested pipeline with water pipe, forming circuit, then according to
Requirement is passed through water flow, observation test pipeline within the scope of certain pressure whether leak.Currently, generalling use leather hose entangles pipe
Road carries out pressure testing by hitch mode, or carries out pressure testing by welding end socket, and the amount of labour is big, and leakproofness success rate is low, work
Make inefficient, and both methods all has easily to test pipeline at damage, influences installation dimension and checks operation element amount
Big problem.
Utility model content
The purpose of this utility model is to provide a kind of acting pipe locking sealing devices, have evaded welding end socket or hitch locking
Etc. conventional methods, the working efficiency of pipeline pressure test inspection can be significantly improved, and will not cause to damage to examined pipeline.
In order to achieve the above object, the utility model provides a kind of acting pipe locking sealing device, including bolt and nut,
The bolt includes bolt head and the screw rod that connect with the bolt head, and the nut is socketed on the screw rod, the bolt
Rubber packing set, the first external conical sleeve and the second external conical sleeve are successively arranged on screw rod between head and the nut, described first
It is arranged with an inner conical drogue outside the conical surface of external conical sleeve and second external conical sleeve, turning the nut makes first external conical sleeve and institute
The second external conical sleeve is stated along the axial movement of the screw rod, the rubber packing set is made to generate deformation for a seal for pipe joints or opening,
And the inner conical drogue generates deformation with by the acting pipe locking or release.
Optionally, turning the nut makes first external conical sleeve and second external conical sleeve along close to the bolt head
Direction is mobile, and the rubber packing set expansion is with by the seal for pipe joints, and first external conical sleeve and second external conical sleeve
The distance between reduce, increase the outer diameter of the inner conical drogue with by the acting pipe locking.
Optionally, turning the nut makes first external conical sleeve and second external conical sleeve along away from the bolt head
Direction is mobile, and the rubber packing set restores deformation so that the pipeline is open, and outside first external conical sleeve and described second
The distance between tapered sleeve increases, and the outer diameter of the inner conical drogue is made to restore to the original state to unclamp the pipeline.
Optionally, the inner conical drogue includes that rubber case and several circumferentially distributed point external members, the rubber case are set in
Divide outside external member described in several.
Optionally, external screw thread is provided on the outer wall of each point external member.
Optionally, the outer wall external taper having the same of first external conical sleeve and second external conical sleeve, the inner cone
Covering the inner wall contacted with first external conical sleeve and second external conical sleeve has internal taper.
Optionally, the internal taper matches with the external taper.
Optionally, is provided with the first washer between rubber packing set and the bolt head, second external conical sleeve with
Second packing ring is provided between the nut.
Optionally, the outer diameter of the bolt head, the outer diameter of first washer are identical as the outer diameter that the rubber packing covers,
The outer diameter of the nut is identical as the outer diameter of the second packing ring.
Optionally, fluid passage is provided in the bolt, the fluid passage runs through the bolt head and the screw rod.
In acting pipe locking sealing device provided by the utility model, make first external conical sleeve by turning the nut
And second external conical sleeve makes the rubber packing set generate deformation, to play to pipeline along the axial movement of the screw rod
Sealing or open effect；Meanwhile the inner conical drogue generates deformation, to play the role of locking or release to pipeline.This reality
With it is novel it is easy to loading and unloading, can be rapidly achieved sealing locking state, improve pipeline hydraulic pressure working efficiency.
Detailed description of the invention
Fig. 1 is acting pipe locking sealing device diagrammatic cross-section provided by the embodiment of the utility model；
Fig. 2 is inner conical drogue diagrammatic cross-section provided by the embodiment of the utility model；
Fig. 3 is inner conical drogue structural schematic diagram provided by the embodiment of the utility model；
Fig. 4 is B-B direction sectional view provided by the embodiment of the utility model.
Wherein: 1- bolt；11- bolt head；12- screw rod；The first washer of 2-；3- rubber packing set；The first external conical sleeve of 4-；5-
Inner conical drogue；51- first divides external member；52- second divides external member；53- third divides external member；6- rubber case；The second external conical sleeve of 7-；8- second
Washer；9- nut；10- groove.
Specific embodiment
Specific embodiment of the present utility model is described in more detail below in conjunction with schematic diagram.It is retouched according to following
It states, will be become apparent from feature the advantages of the utility model.It should be noted that attached drawing is all made of very simplified form and uses
Non-accurate ratio, only to convenient, lucidly aid illustration the utility model embodiment purpose.
Referring to Fig. 1, it is acting pipe locking sealing device diagrammatic cross-section provided in this embodiment, including bolt 1 and spiral shell
Mother 9, the bolt 1 are socketed in the screw rod including bolt head 11 and the screw rod 12 connecting with the bolt head 11, the nut 9
On 12, be successively arranged on the screw rod 12 between the bolt head 11 and the nut 9 rubber packing cover the 3, first external conical sleeve 4 and
It is arranged with an inner conical drogue 5 outside the conical surface of second external conical sleeve 7, first external conical sleeve 4 and second external conical sleeve 7, is turned described
Nut 9 makes first external conical sleeve 4 and second external conical sleeve 7 along the axial movement of the screw rod 12, makes the rubber packing
Set 3 generates deformation for a seal for pipe joints or opening, and the inner conical drogue 5 generates deformation with by the acting pipe locking or release.
Further, turning the nut 9 makes first external conical sleeve 4 and second external conical sleeve 7 along close to the spiral shell
It, can be by first external conical sleeve 4 and second external conical sleeve 7 towards close to the bolt head 11 when the direction of bolt head 11 is mobile
Direction squeezes, and makes its expansion by the seal for pipe joints to squeeze rubber packing set 3, at the same first external conical sleeve 4 and
The distance between described second external conical sleeve 7 can also reduce, the first external conical sleeve 4 and the second external conical sleeve 7 for accommodating the inner conical drogue 5
Size it is bigger, outer diameter increases with by the acting pipe locking after the inner conical drogue 5 is squeezed.
Further, turning the nut 9 makes first external conical sleeve 4 and second external conical sleeve 7 along away from the spiral shell
When the direction of bolt head 11 is mobile, discharging the rubber packing set 3 makes it restore deformation so that the pipeline is open, while described the
The distance between one external conical sleeve 4 and second external conical sleeve 7 also will increase, the first external conical sleeve 4 for accommodating the inner conical drogue 5 and
The size of second external conical sleeve 7 reduces, and the outer diameter of the inner conical drogue 5 restores to the original state to unclamp the pipeline.
Specifically, first external conical sleeve 4 and the structure of second external conical sleeve 7 are identical and arranged symmetrically, and described first
The size of external conical sleeve 4 and second external conical sleeve 7 close to described 5 one end of inner conical drogue is less than the ruler far from described 5 one end of inner conical drogue
Very little, when reducing the distance between first external conical sleeve 4 and described second external conical sleeve 7, the outer diameter of the inner conical drogue 5 can increase
Greatly, when the distance between first external conical sleeve 4 and second external conical sleeve 7 increase, the outer diameter of the inner conical drogue 5 can subtract
It is small.Optionally, the structure and size of first external conical sleeve 4 and second external conical sleeve 7 are all the same, and all have hollow interior
Hole, and the aperture of the inner hole and the outer diameter of the screw rod 12 match, and make first external conical sleeve 4 and second external conical sleeve
7 can be socketed on the screw rod 12.
The rubber packing set 3 has elasticity, is provided with first between one end and the bolt head 11 of rubber packing set 3
Washer 2 prevents the rubber packing set 3 from being worn by the bolt head and generating defect.The outer diameter of the rubber packing set 3 and institute
The pipe wall internal diameters for stating pipeline match, and when rotating the nut 9 with the direction close to the bolt head 11, the rubber is close
Big envelope 3 is squeezed and expands, and outer diameter increases the seal for pipe joints.Preferably, the outer diameter of rubber packing set 3 can be with
It is 0.5-1mm smaller than the pipe wall internal diameters of the pipeline, so that the outer diameter of the rubber packing set 3 is increased 3-4mm, the rubber by squeezing
Skin sealing shroud 3 and the tube wall of the pipeline are adjacent to, in this way, the sealing function to pipeline can be played.
Further, the outer wall external taper having the same of first external conical sleeve 4 and second external conical sleeve 7, it is described
The inner wall that inner conical drogue 5 is contacted with first external conical sleeve 4 and second external conical sleeve 7 has internal taper, the internal taper and institute
External taper is stated to match.Specifically, refering to fig. 1 and Fig. 2, when the nut 9 is rotated with the direction close to the bolt head 11
When, second external conical sleeve 7 is under the thrust of the nut 9 equally with mobile, the institute close to the direction of the bolt head 11
The external taper of the internal taper and first external conical sleeve 4 and second external conical sleeve 7 of stating inner conical drogue 5 matches, with the spiral shell
The movement of mother 9, moves closer to second external conical sleeve 7 with first external conical sleeve 4, the inner conical drogue 5 is due to its internal taper
Effect and generate radial force, be gradually increased the outer diameter of inner conical drogue 5, until the outer wall of the inner conical drogue 5 and the tube wall of pipeline
Be adjacent to it is locked, in this way, the locking positioning to pipeline can be played the role of.
Preferably, the inner conical drogue 5 include rubber case 6 and several it is circumferentially distributed divide external member, the rubber case 6 is arranged
Divide outside external member described in several.External screw thread is provided on the outer wall of each point external member.Refering to Fig. 3, in the present embodiment, institute
The tool of inner conical drogue 5 is stated there are three point external member of circumferential branch, respectively first point of external member, 51, second points of external members 52 and third divides external member
53, and it is provided with external screw thread on the outer wall of each point external member, and inner wall all has internal taper, is sheathed on outside first jointly
On tapered sleeve 4 and the second external conical sleeve 7.The external screw thread of inner conical drogue 5 is conducive to when the tube wall with pipeline is adjacent to, and increases fastening force.
The rubber case 6, can for constraining first point of external member, 51, second points of external members 52 and third point external member 53
Circumferencial direction is enough remained to be bonded with the conical surface of first external conical sleeve 4 and the second external conical sleeve 7.So as to when the first external conical sleeve
4 and second external conical sleeve 7 it is close to each other when, first point of external member, 51, second points of external members 52 and third divide external member 53 in the pact of rubber case 6
Under beam, while gradually radially to increase the outer diameter of the inner conical drogue 5 away from the movement of the direction of 1 central axis of bolt；When
When one external conical sleeve 4 and the second external conical sleeve 7 mutually deviate from, first point of external member, 51, second points of external members 52 and third divide external member 53 in rubber
Under the constraint of leather sheath 6, while gradually radially to reduce the inner conical drogue 5 close to the movement of the direction of 1 central axis of bolt
Outer diameter.
The first washer 2, second external conical sleeve 7 and institute are provided between the rubber packing set 3 and the bolt head 11
It states and is provided with second packing ring 8 between nut 9, to protect the rubber packing set 3 and second external conical sleeve 7 not to be worn.Into
One step, the outer diameter of the bolt head 11, the outer diameter of first washer 2 are identical as the outer diameter of rubber packing set 3, described
The outer diameter of nut 9 is identical as the outer diameter of the second packing ring 8, to guarantee that the bolt can be protruded into swimmingly in pipeline.
Preferably, referring to Fig. 4, it is B-B direction sectional view provided by the embodiment of the utility model, 12 bottom of screw rod
Groove 10 there are two being symmetrical arranged between the nut 9, the side wall and bottom structure of each groove 10 are plane, institute
Stating groove 10 can be used for fastener spanner, and spanner is enable more easily to operate to nut 9.
Further, it is provided with fluid passage in the bolt 1, the fluid passage is through the bolt head 11 and described
Screw rod 12.In specific implementation, the acting pipe locking sealing device for being provided with fluid passage can be by the fluid passage to pipeline
It pours water and suppresses, play the role of water flowing pressure testing；The acting pipe locking sealing device of not set fluid passage can be used as pipeline envelope
Head uses, and plays the role of seal plug.
Acting pipe locking sealing device provided by the utility model, in actual use, by the acting pipe locking sealing device
It is placed in a pipeline, turns nut 9 with spanner, with the increase of fastening force, squeeze the first washer 2 and the first external conical sleeve 4
Rubber packing set 3, to make rubber packing set 3 expand under axial compressive force effect, until the inner wall with the pipeline closely pastes
It closes, pipeline is reliably sealed；Fastening force is further increased, leans on first external conical sleeve 4 gradually with second external conical sleeve 7
Closely, the inner conical drogue 5 under cone match effect its become large-sized, until pushing against the inner wall of the pipeline, make the pipeline quilt
Fixed locking.Pipe ends place the pipe of the acting pipe locking sealing device and not set fluid passage that are provided with fluid passage respectively
Road lock sealing device, in this way, can water flowing progress pressure testing inspection.Extraneous water pipe valve is opened, water flow is by bolt 1
Fluid passage enters, and is gradually pressurized to test pressure, observe tested pipeline whether leak, after inspection, loosening nut 9,
The inner conical drogue 5 is gradually recovered deformation, and the rubber packing set 3 also restores to the original state, can be by the acting pipe locking sealing device
It takes out.
The conventional methods such as welding end socket or hitch locking have been abandoned using the utility model, pipeline pressure test can be significantly improved
The working efficiency of inspection, and examined pipeline will not be caused to damage.The structure design of the utility model is reasonable, seal and pressure bearing energy
Power is high, and reliable operation is easily operated, can Reusability, the leak water detdction suitable for pipeline.
To sum up, in a kind of acting pipe locking sealing device provided by the embodiment of the utility model, by by the nut to
Top-direction close to the bolt rotates, and the rubber packing set is made to be squeezed and shape is caused to increase, until being adjacent to pipe
The tube wall in road, plays sealing function；Then, the inner conical drogue is radially with mobile away from the direction of the bolt-center axis, directly
To the inner conical drogue close to the tube wall of pipeline, play the role of locking.The utility model is easy to loading and unloading, can be rapidly achieved sealing locking
State improves pipeline hydraulic pressure working efficiency.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (10)
1. a kind of acting pipe locking sealing device, which is characterized in that including bolt and nut, the bolt include bolt head and with institute
The screw rod of bolt head connection is stated, the nut is socketed on the screw rod, on the screw rod between the bolt head and the nut
Successively it is arranged with rubber packing set, the first external conical sleeve and the second external conical sleeve, first external conical sleeve and second external conical sleeve
It is arranged with an inner conical drogue outside the conical surface, turning the nut makes first external conical sleeve and second external conical sleeve along the screw rod
Axial movement makes rubber packing set generate deformation for a seal for pipe joints or opening, and the inner conical drogue generates deformation with will
The acting pipe locking or release.
2. acting pipe locking sealing device as described in claim 1, which is characterized in that turning the nut makes first outer cone
Set and second external conical sleeve are moved along the direction close to the bolt head, and the rubber packing set expansion is with close by the pipeline
Envelope, and the distance between first external conical sleeve and second external conical sleeve reduce, and increase the outer diameter of the inner conical drogue to incite somebody to action
The acting pipe locking.
3. acting pipe locking sealing device as claimed in claim 2, which is characterized in that turning the nut makes first outer cone
Set and second external conical sleeve are moved along away from the direction of the bolt head, and the rubber packing set restores deformation with by the pipe
Road is open, and the distance between first external conical sleeve and second external conical sleeve increase, and restore the outer diameter of the inner conical drogue
Original state is to unclamp the pipeline.
4. acting pipe locking sealing device as claimed in claim 3, which is characterized in that the inner conical drogue includes rubber case and several
It is a it is circumferentially distributed divide external member, the rubber case is set in outside point external member described in several.
5. acting pipe locking sealing device as claimed in claim 4, which is characterized in that be all provided on the outer wall of each point external member
It is equipped with external screw thread.
6. acting pipe locking sealing device as described in claim 1, which is characterized in that outside first external conical sleeve and described second
The outer wall of tapered sleeve external taper having the same, the inner conical drogue contact interior with first external conical sleeve and second external conical sleeve
Wall has internal taper.
7. acting pipe locking sealing device as claimed in claim 6, which is characterized in that the internal taper and the external taper phase
Match.
8. acting pipe locking sealing device as described in claim 1, which is characterized in that the rubber packing set and the bolt head
Between be provided with the first washer, be provided with second packing ring between second external conical sleeve and the nut.
9. acting pipe locking sealing device as claimed in claim 8, which is characterized in that the outer diameter of the bolt head, described first
The outer diameter of washer is identical as the outer diameter that the rubber packing covers, and the outer diameter of the nut is identical as the outer diameter of the second packing ring.
10. acting pipe locking sealing device as claimed in any one of claims 1-9 wherein, which is characterized in that setting in the bolt
There is fluid passage, the fluid passage runs through the bolt head and the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130899.9U CN208565938U (en) | 2018-07-17 | 2018-07-17 | Acting pipe locking sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130899.9U CN208565938U (en) | 2018-07-17 | 2018-07-17 | Acting pipe locking sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565938U true CN208565938U (en) | 2019-03-01 |
Family
ID=65492202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821130899.9U Active CN208565938U (en) | 2018-07-17 | 2018-07-17 | Acting pipe locking sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565938U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426273A (en) * | 2019-07-09 | 2019-11-08 | 中国航发哈尔滨东安发动机有限公司 | A kind of pressure device of quick blocking casting oil circuit |
| CN110726029A (en) * | 2019-09-03 | 2020-01-24 | 海洋石油工程（青岛）有限公司 | Plastic pipe water purification pressure test plugging device |
| CN113061883A (en) * | 2021-03-19 | 2021-07-02 | 重庆江陆激光科技有限公司 | Tube bank laser cladding equipment |
| CN113154135A (en) * | 2021-03-30 | 2021-07-23 | 应哲昕 | Wedge ring compression type pipeline plugging device |
| CN114932403A (en) * | 2022-06-22 | 2022-08-23 | 山东大学 | Precise automatic alignment device and method for broken tile cover of cylinder body |
-
2018
- 2018-07-17 CN CN201821130899.9U patent/CN208565938U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426273A (en) * | 2019-07-09 | 2019-11-08 | 中国航发哈尔滨东安发动机有限公司 | A kind of pressure device of quick blocking casting oil circuit |
| CN110726029A (en) * | 2019-09-03 | 2020-01-24 | 海洋石油工程（青岛）有限公司 | Plastic pipe water purification pressure test plugging device |
| CN113061883A (en) * | 2021-03-19 | 2021-07-02 | 重庆江陆激光科技有限公司 | Tube bank laser cladding equipment |
| CN113154135A (en) * | 2021-03-30 | 2021-07-23 | 应哲昕 | Wedge ring compression type pipeline plugging device |
| CN114932403A (en) * | 2022-06-22 | 2022-08-23 | 山东大学 | Precise automatic alignment device and method for broken tile cover of cylinder body |
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