CN214146961U - Strain joint assembly - Google Patents
Strain joint assembly Download PDFInfo
- Publication number
- CN214146961U CN214146961U CN202022245226.1U CN202022245226U CN214146961U CN 214146961 U CN214146961 U CN 214146961U CN 202022245226 U CN202022245226 U CN 202022245226U CN 214146961 U CN214146961 U CN 214146961U
- Authority
- CN
- China
- Prior art keywords
- joint assembly
- strain
- sleeve
- assembly according
- telescopic sleeve
- 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.)
- Expired - Fee Related
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 238000012856 packing Methods 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 25
- 238000010030 laminating Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 37
- 239000010935 stainless steel Substances 0.000 description 37
- 230000000694 effects Effects 0.000 description 12
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model provides a strain type joint assembly belongs to the connecting tool field. This strain type connects assembly includes the joint main part, connects and overlaps in proper order to be equipped with telescope tube and lock sleeve in the main part, and for connecting the main part, the telescope tube can realize axial displacement, and the lock sleeve is used for restricting telescope tube axial displacement distance, and the shaping has an at least packing ring fixed slot in the joint main part, is provided with the packing ring in the packing ring fixed slot, and the packing ring inboard is laminated with the telescope tube. This strain type joint assembly has solved current nonrust steel pipe connection structure and can't complied with nonrust steel pipe deformation scheduling problem.
Description
Technical Field
The utility model belongs to the connecting tool field refers in particular to strain gauge joint assembly.
Background
The industry field rises fast, the place of using high temperature high pressure equipment is more and more, a pipe fitting for connecting high temperature high pressure equipment adopts stainless steel pipe spare mostly, stainless steel pipe spare and high temperature high pressure equipment's connected mode is mostly all directly to adopt quick-operation joint to connect, it is convenient to connect, but the stainless steel pipe spare of connecting with the quick-operation joint mode can be because of the high temperature, the pressure arouses whole deformation greatly, make stainless steel pipe spare and articulate department break away from inefficacy, after using several times, stainless steel pipe spare just must be changed, otherwise can lead to the medium leakage in the stainless steel pipe spare, serious point can arouse that stainless steel pipe spare breaks, the blast scheduling problem, so must regularly change stainless steel pipe spare, such operation wastes time and energy, bring very big work burden for operating personnel, system cost has been improved.
The present application is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure reduces the pipe fitting consumption to can be according to the automatic flexible strain type joint assembly of pressure size and temperature height in the pipe fitting, solved current nonrust steel pipe connection structure and can't complied with nonrust steel pipe deformation scheduling problem.
The purpose of the utility model is realized like this:
strain formula joint assembly, including connecting the main part, its characterized in that: connect and be equipped with telescope tube and lock sleeve in proper order in the main part, for connect the main part, the telescope tube can realize axial displacement, the lock sleeve is used for restricting telescope tube axial displacement distance, it has an at least packing ring fixed slot to connect the internal shaping of main part, be provided with the packing ring in the packing ring fixed slot, the inboard laminating with the telescope tube of packing ring.
In the scheme, the joint main body is used for installing the locking sleeve and the telescopic sleeve, one end of the telescopic sleeve is used for connecting the stainless steel pipe fitting, relative to the joint main body, the telescopic sleeve can realize axial displacement, in the traditional use environment of the stainless steel pipe, the stainless steel pipe fitting generates radial deformation under high temperature and high pressure, when the stainless steel expands with heat and contracts with cold, the telescopic sleeve connected with the stainless steel pipe fitting can be pushed forwards by the stainless steel pipe fitting, the cooled stainless steel pipe fitting contracts radially, the telescopic sleeve is pulled backwards by the stainless steel pipe fitting, the telescopic sleeve realizes flexible displacement change, the stainless steel pipe deformation and the telescopic sleeve realize synchronous advance and retreat, the connection fracture at the joint when the stainless steel pipe fitting deforms is prevented, and further connection failure is caused, the gasket is used for realizing dynamic sealing of the telescopic sleeve, when the telescopic sleeve realizes axial displacement, because the gasket is always in contact with the outer wall of the telescopic sleeve for sealing, consequently the telescope tube realizes sealed with the joint main part all the time, and this scheme realizes that dynamic seal combines with dynamic displacement, shifts the produced axial force of stainless steel pipe fitting deformation through extending structure, and structural design is ingenious novel, and the design consideration is all around. In addition, the effect of lock sleeve is the axial displacement distance of restriction telescopic sleeve, realizes the swing joint between telescopic sleeve and the joint main part simultaneously.
In foretell strain type joint assembly, the outside protrusion shaping of telescopic sleeve's outer wall has one to move and keeps off the ring, the inboard shaping of lock sleeve has and moves and keep off ring complex moving channel, when moving and keep off the ring motion extremely during moving channel one end, it receives to move and keep off the ring the lock sleeve tip is interior along blockking.
The movable baffle ring and the movable channel limit the displacement of the telescopic sleeve, and when the movable baffle ring moves to the inner edge of the end part of the locking sleeve, the telescopic sleeve is blocked, so that the telescopic sleeve is prevented from being pulled out continuously to cause dislocation.
In the above strain type joint assembly, an elastic washer and a bushing are further arranged between the joint main body and the locking sleeve, one end of the elastic washer is in contact with the joint main body, the other end of the elastic washer is in contact with the inner side of the bushing, the other end of the bushing is abutted against the end face of the locking sleeve, and the inner side of the elastic washer is attached to the outer wall of the telescopic sleeve.
The bushing is positioned between the locking sleeve and the elastic washer, firstly, the elastic washer can prevent the telescopic sleeve from directly colliding with the joint main body to cause damage to the telescopic sleeve and the joint main body, secondly, the collision abnormal sound of the telescopic sleeve and the joint main body can be reduced, and a good buffering effect is achieved; secondly, the inboard and the laminating of telescope tube outer wall of elastic gasket, this sealed effect that just has formed with the packing ring unanimity, when the telescope tube was at axial displacement, packing ring and elastic gasket played sealed effect to the telescope tube simultaneously, have strengthened the sealed effect between telescope tube and the joint main part. The effect of bush is in order to protect the spring washer, plays explosion-proof effect, because the spring washer is the flexibility, if the telescopic tube directly hits and leads to the spring washer to take place to break easily on the spring washer, and the existence of bush makes the removal keep off the ring and only with the bush contact, and bush and spring washer are closely laminated again, have consequently avoided above-mentioned circumstances. The bush supports against the locking sleeve, and the bush and the elastic washer are fixed through the locking sleeve. The multiple effects are realized through the combination of the bushing and the elastic washer, and the design is ingenious.
In foretell strain type joint assembly, the contact site with telescopic sleeve is provided with sealed stripe on the packing ring, sealed stripe is followed packing ring inner wall circumference sets up, follows the packing ring axial distributes.
The sealing stripe is used for increasing the contact area between the gasket and the telescopic sleeve and improving the sealing property. The sealing stripe profile is matched with the circumferential direction of the gasket and distributed along the circumferential direction of the gasket.
In the above strain type joint assembly, the cross section of the elastic washer is triangular and both ends are inclined planes.
The fitting inclined planes corresponding to the two inclined planes are arranged on the bushing and the joint main body, the fitting degree of the sealing surface can be improved by utilizing the double-inclined-plane structure of the elastic gasket, so that the sealing performance of the elastic gasket is improved, the elastic gasket is prevented from being excessively deformed and bursting by the narrow-outer-wide-inner-wide structure of the elastic gasket, and the service life of the elastic gasket is prolonged by fully utilizing the triangular structure. In addition, when two inclined planes of the elastic gasket are extruded, the resultant force direction points to the inner wall of the elastic gasket, so that the elastic gasket is more attached to the telescopic sleeve, and the sealing performance is further enhanced.
In the above strain type joint assembly, the telescopic sleeve is provided with a fillet.
The round angle is designed to prevent the inside of the joint main body from being damaged when the telescopic sleeve moves forwards and backwards.
In the strain type joint assembly, the bushing is made of copper.
The lining is made of a metal cylinder, has strong wear resistance and can be made of other metals in practice.
In the above strain type joint assembly, the elastic washer is made of plastic.
The plastic has strong deformability, and effective deformation sealing is realized.
In the above strain type joint assembly, the gasket is made of plastic.
The plastic has strong deformability, and effective deformation sealing is realized.
In the above strain type joint assembly, the outer wall of the locking sleeve is connected to the inner wall of the joint main body by screw threads.
During installation, the lining and the elastic washer are firstly placed into the joint main body, then the locking sleeve is screwed, and the lining and the elastic washer are positioned while the locking sleeve is screwed.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the utility model discloses can reduce the stainless steel pipe fitting and leak and cracked probability, high pressure steam equipment during operation, high temperature and high pressure make the stainless steel pipe fitting produce radial deformation, the telescope tube of connecting the stainless steel pipe fitting can be pushed away forward by the stainless steel pipe fitting, the stainless steel pipe fitting radial contraction after the cooling, the telescope tube is pulled backward by the stainless steel pipe fitting, realize dynamic seal and dynamic displacement and combine, shift the produced axial force of stainless steel pipe fitting deformation through extending structure, structural design is ingenious novel, the design consideration is all round.
2. The utility model discloses a bush and spring washer integrated design realize buffering, sealed, fall make an uproar and efficiency such as explosion-proof, design benefit.
3. The utility model discloses a two seal structure realize telescopic sleeve and connect the sealed between the main part, sealed effectual, have dual assurance.
4. The utility model discloses a two inclined plane structural design of spring washer can improve sealed face laminating degree to improve its sealing performance, also can prevent that the spring washer excessively warp to take place to burst through the outer narrow interior wide structure on the spring washer, make full use of triangular structure extension spring washer's life.
Drawings
FIG. 1 is a schematic structural view of the present strain gage joint assembly;
FIG. 2 is a cross-sectional view of the present strain gage joint assembly;
FIG. 3 is an enlarged view of a portion of the present strain-type joint A;
fig. 4 is an exploded view of the present strain-type joint.
Reference numerals
1-a connector body;
11-gasket fixation groove;
12-a gasket;
2-locking sleeve;
21-moving the channel;
22-a resilient gasket;
23-a liner;
24-seal strip;
3-a telescopic sleeve;
30-round corner;
31-moving the catch ring.
Detailed Description
The invention will be further described in the following with reference to the accompanying drawings in which:
as shown in fig. 1-4, the strain type joint assembly includes a joint main body 1, a telescopic sleeve 3 and a locking sleeve 2 are sequentially sleeved on the joint main body 1, the telescopic sleeve 3 can axially move relative to the joint main body 1, the locking sleeve 2 is used for limiting the axial movement distance of the telescopic sleeve 3, at least one gasket 12 fixing groove 11 is formed in the joint main body 1, a gasket 12 is arranged in the gasket 12 fixing groove 11, and the inner side of the gasket 12 is attached to the telescopic sleeve 3. In the scheme, the joint main body 1 is used for installing the locking sleeve 2 and the telescopic sleeve 3, one end of the telescopic sleeve 3 is used for connecting a stainless steel pipe fitting, relative to the joint main body 1, the telescopic sleeve 3 can realize axial displacement, in the traditional use environment of the stainless steel pipe, the stainless steel pipe fitting generates radial deformation under high temperature and high pressure, when the stainless steel expands with heat and contracts with cold, the telescopic sleeve 3 connected with the stainless steel pipe fitting can be pushed forwards by the stainless steel pipe fitting, the cooled stainless steel pipe fitting contracts radially, the telescopic sleeve 3 is pulled backwards by the stainless steel pipe fitting, the telescopic sleeve 3 realizes flexible displacement change, the stainless steel pipe deformation and the telescopic sleeve 3 realize synchronous advance and retreat, the connection fracture at the connection part when the stainless steel pipe fitting deforms is prevented, so that connection failure is caused, the gasket 12 is used for realizing dynamic sealing of the telescopic sleeve 3, when the telescopic sleeve 3 realizes axial displacement, because packing ring 12 contacts sealedly with the outer wall of telescope tube 3 all the time, consequently telescope tube 3 realizes sealedly with connecting main part 1 all the time, and this scheme realizes that dynamic seal combines with dynamic displacement, shifts the produced axial force of stainless steel pipe fitting deformation through extending structure, and structural design is ingenious novel, and the design consideration is complete. In addition, the locking sleeve 2 is used for limiting the axial displacement distance of the telescopic sleeve 3 and simultaneously realizing the movable connection between the telescopic sleeve 3 and the joint main body 1.
In addition, the outer wall of the telescopic sleeve 3 is formed with a movable stop ring 31 in an outward protruding manner, the inner side of the locking sleeve 2 is formed with a movable passage 21 matched with the movable stop ring 31, and when the movable stop ring 31 moves to one end of the movable passage 21, the movable stop ring 31 is stopped by the inner edge of the end part of the locking sleeve 2. The movable baffle ring 31 and the movable channel 21 limit the displacement of the telescopic sleeve 3, and when the movable baffle ring 31 moves to the inner edge of the end part of the locking sleeve 2, the telescopic sleeve 3 is blocked, so that the telescopic sleeve is prevented from being pulled out continuously to cause dislocation. An elastic washer 22 and a bush 23 are further arranged between the joint main body 1 and the locking sleeve 2, one end of the elastic washer 22 is in contact with the joint main body 1, the other end of the elastic washer 22 is in contact with the inner side of the bush 23, the other end of the bush 23 abuts against the end face of the locking sleeve 2, and the inner side of the elastic washer 22 is attached to the outer wall of the telescopic sleeve 3. The bush 23 is positioned between the locking sleeve 2 and the elastic washer 22, firstly, the elastic washer 22 can prevent the telescopic sleeve 3 from directly colliding with the joint main body 1 to cause damage to the telescopic sleeve and the joint main body 1, secondly, the collision abnormal sound of the telescopic sleeve and the joint main body can be reduced, and a good buffering effect is achieved; secondly, the inside of the elastic washer 22 is attached to the outer wall of the telescopic sleeve 3, which forms a sealing effect consistent with that of the washer 12, that is, when the telescopic sleeve 3 moves axially, the washer 12 and the elastic washer 22 simultaneously seal the telescopic sleeve 3, and the sealing effect between the telescopic sleeve 3 and the joint main body 1 is enhanced. The function of the bush 23 is to protect the elastic washer 22 and to achieve an explosion-proof effect, because the elastic washer 22 is flexible, if the telescopic sleeve 3 directly hits on the elastic washer 22, the elastic washer 22 is easily broken, and the existence of the bush 23 causes the moving baffle ring 31 to only contact with the bush 23, and the bush 23 and the elastic washer 22 are tightly attached, so that the above situation is avoided. The bush 23 is abutted against the locking sleeve 2, and the bush 23 and the elastic washer 22 are fixed through the locking sleeve 2. The combination of the bush 23 and the elastic washer 22 realizes multiple effects and is ingenious in design.
Furthermore, the gasket 12 is provided with sealing strips 24 at the contact portion with the telescopic sleeve 3, and the sealing strips 24 are circumferentially arranged along the inner wall of the gasket 12 and axially distributed along the gasket 12. The seal strip 24 is intended to increase the contact area between the gasket 12 and the telescopic sleeve 3, thereby improving the sealing property. The sealing strips 24 are contoured to match the circumference of the gasket 12 and are distributed along the circumference of the gasket 12. The cross-section of the elastic washer 22 is triangular and both ends are inclined. The bush 23 and the joint main body 1 are provided with the attaching inclined planes corresponding to the two inclined planes, the attaching degree of the sealing surface can be improved by utilizing the double-inclined-plane structure of the elastic gasket 22, so that the sealing performance of the elastic gasket is improved, the elastic gasket 22 can be prevented from being excessively deformed and burst by utilizing the narrow-outer-wide-inner-wide structure of the elastic gasket 22, and the service life of the elastic gasket 22 is prolonged by fully utilizing the triangular structure. In addition, when the two slopes of the elastic gasket 22 are squeezed, the resultant force direction points to the inner wall of the elastic gasket 22, so that the elastic gasket 22 is more attached to the telescopic sleeve 3, and the sealing performance is further enhanced. The telescopic sleeve 3 is provided with a fillet 30. The round corner 30 is designed so that the inside of the joint body 1 is not damaged when the telescopic sleeve 3 moves forward and backward. The material used for the bushing 23 is copper. The bushing 23 is made of a metal cylinder, which is highly wear resistant, but may be of other metals in practice. The elastic washer 22 is made of plastic. The plastic has strong deformability, and effective deformation sealing is realized. The gasket 12 is made of plastic. The plastic has strong deformability, and effective deformation sealing is realized. The outer wall of the locking sleeve 2 is connected to the inner wall of the joint main body 1 in a threaded manner. When the connector is installed, the bushing 23 and the elastic washer 22 are firstly placed into the connector main body 1, then the locking sleeve 2 is screwed, and the bushing 23 and the elastic washer 22 are positioned while the locking sleeve 2 is screwed.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. Strain formula connects assembly, including connecting main part (1), its characterized in that: connect and be equipped with telescope tube (3) and lock sleeve (2) in proper order on main part (1), for connect main part (1), axial displacement can be realized in telescope tube (3), lock sleeve (2) are used for restricting telescope tube (3) axial displacement distance, it has an at least packing ring (12) fixed slot (11) to connect the shaping in main part (1), be provided with packing ring (12) in packing ring (12) fixed slot (11), packing ring (12) inboard and telescope tube (3) laminating.
2. The strain-type joint assembly according to claim 1, wherein the outer wall of the telescopic sleeve (3) is formed with a moving stop ring (31) in a protruding manner, the inner side of the locking sleeve (2) is formed with a moving channel (21) matched with the moving stop ring (31), and when the moving stop ring (31) moves to one end of the moving channel (21), the moving stop ring (31) is stopped by the inner edge of the end of the locking sleeve (2).
3. Strain joint assembly according to claim 1 or 2, wherein an elastic washer (22) and a bushing (23) are further arranged between the joint body (1) and the locking sleeve (2), one end of the elastic washer (22) is in contact with the joint body (1) and the other end thereof is in contact with the inner side of the bushing (23), the other end of the bushing (23) abuts against the end face of the locking sleeve (2), and the inner side of the elastic washer (22) is fitted against the outer wall of the telescopic sleeve (3).
4. Strain joint assembly according to claim 1 or 2, wherein the gasket (12) is provided with sealing strips (24) at its contact with the telescopic sleeve (3), said sealing strips (24) being circumferentially arranged along the inner wall of the gasket (12) and axially distributed along the gasket (12).
5. Strain joint assembly according to claim 3, wherein the cross-section of the spring washer (22) is triangular and both ends are beveled.
6. Strain joint assembly according to claim 1 or 2 or 5, wherein the telescopic sleeve (3) is provided with rounded corners (30).
7. Strain joint assembly according to claim 5, wherein the bushing (23) is made of copper.
8. Strain joint assembly according to claim 5 or 7, wherein the resilient washer (22) is made of plastic.
9. Strain joint assembly according to claim 1 or 2 or 5 or 7, wherein the washer (12) is made of plastic.
10. Strain joint assembly according to claim 1 or 2 or 5 or 7, wherein the outer wall of the locking sleeve (2) is screwed onto the inner wall of the joint body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022245226.1U CN214146961U (en) | 2020-10-10 | 2020-10-10 | Strain joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022245226.1U CN214146961U (en) | 2020-10-10 | 2020-10-10 | Strain joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146961U true CN214146961U (en) | 2021-09-07 |
Family
ID=77558669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022245226.1U Expired - Fee Related CN214146961U (en) | 2020-10-10 | 2020-10-10 | Strain joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146961U (en) |
-
2020
- 2020-10-10 CN CN202022245226.1U patent/CN214146961U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |