CN217634368U - Telescopic joint structure - Google Patents
Telescopic joint structure Download PDFInfo
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- CN217634368U CN217634368U CN202221560950.6U CN202221560950U CN217634368U CN 217634368 U CN217634368 U CN 217634368U CN 202221560950 U CN202221560950 U CN 202221560950U CN 217634368 U CN217634368 U CN 217634368U
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Abstract
The utility model relates to a telescopic joint structure relates to the field of pipeline telescopic joint, and it includes two pipelines that are used for connecting, is provided with the sleeve between two pipelines, and one of them pipeline and sleeve one end fixed connection closely are provided with the sealing ring in the sleeve other end, and another pipeline closely wears to establish in the sealing ring, and the one end externally mounted that the sleeve was provided with the sealing ring has the cover, is provided with the clamping ring in the cover, and the clamping ring cover is established on the intra-annular pipeline of sealing, and the one end and the sealing ring butt of clamping ring, the inside butt of the other end and cover. This application has the sealed effect of improvement, is convenient for carry out the effect of installing to telescopic joint department simultaneously.
Description
Technical Field
The application relates to the field of pipeline telescopic joints, in particular to a telescopic joint structure.
Background
The pipeline can generate the stress and the push-pull force of the pipe wall due to expansion with heat and contraction with cold, and the strength of the pipeline can be influenced by the stress of the pipe wall. When the push-pull force of the pipe wall is increased, the fixing support of the pipeline needs to be made large to bear the push-pull force generated by the expansion of the pipeline. The telescopic joint can be used for compensating the telescopic deformation of the pipeline caused by temperature change, thereby reducing the stress and thrust of the pipe wall.
In the process of replacing the pipeline expansion joint in construction, the sealing performance of the position of the pipeline expansion joint is difficult to obtain complete sealing, and the position of the expansion joint often has the problem of water leakage, so that the rework condition of construction is more; at present, a method of winding a raw adhesive tape is generally adopted to improve the sealing performance of the sealing ring.
The method can not ensure whether the thickness of the wound raw adhesive tape meets the requirement, when the wound raw adhesive tape is too thin, the problem of poor sealing effect can be caused, and when the wound raw adhesive tape is too thick, the expansion joint is difficult to install.
SUMMERY OF THE UTILITY MODEL
In order to alleviate the relatively poor problem of sealed effect, be convenient for simultaneously install telescopic joint department, this application provides a telescopic joint structure.
The application provides a telescopic joint structure adopts following technical scheme:
the utility model provides a telescopic joint structure, includes two pipelines that are used for connecting, is provided with the sleeve between two pipelines, and one of them pipeline and sleeve one end fixed connection closely are provided with the sealing ring in the sleeve other end, and another pipeline closely wears to establish in the sealing ring, and the one end externally mounted that the sleeve was provided with the sealing ring has the cover, is provided with the clamping ring in the cover, and the clamping ring cover is established on the intra-annular pipeline of sealing, and the one end and the sealing ring butt of clamping ring, the other end and the inside butt of cover.
Through adopting above-mentioned technical scheme, set up the sealing ring between pipeline and sleeve, the sealing ring can play sealed effect between sleeve and the pipeline, after the cover is installed on the sleeve, clamping ring one end and sealing ring butt, the inside butt of the other end and cover for the clamping ring compresses tightly the sealing ring in the sleeve, avoids the sealing ring to take place the displacement between sleeve and pipeline, has improved the sealed effect of telescopic joint department, is convenient for install telescopic joint department simultaneously.
Optionally, one end of the compression ring close to the sealing ring is evenly provided with a plurality of elastic pieces along the circumferential direction, one end of the elastic pieces close to the inside of the compression ring is fixedly connected with the compression ring, and the other end of the elastic pieces inclines towards the direction close to the sealing ring and is tightly abutted to the sealing ring.
Through adopting above-mentioned technical scheme, when the cover was installed on the sleeve, the clamping ring was close to one side of sealing ring and is passed through the inseparable butt of shell fragment and sealing ring, because shell fragment self has the elastic force, has further strengthened the effect of compressing tightly the sealing ring to the sealed effect of sleeve with the pipeline has been improved.
Optionally, the diameter of one end of the sleeve, which is close to the cover, is increased to form a connecting cylinder section, the sealing ring is located in the connecting cylinder section, the inner diameter of the sleeve is equal to the outer diameter of the pipeline, and one end of the pipeline, which is located in the sealing ring, is inserted into the sleeve.
Through adopting above-mentioned technical scheme, make the sealing ring install in connecting the section of thick bamboo, can provide the mounted position for the sealing ring, make sleeve internal diameter equal with the pipeline external diameter, can make the intra-annular pipeline of sealing insert pipeline outer wall and sleeve inner wall butt when establishing inside the sleeve, improved the installation stability of pipeline.
Optionally, an external thread is arranged on the outer side surface of the connecting cylinder section, and an internal thread matched with the external thread for use is arranged on the inner side surface of the cylinder cover.
Through adopting above-mentioned technical scheme, when cover and muffjoint, only need to screw up the inboard internal thread of cover on the external screw thread in the connecting cylinder outside, not only be convenient for install the cover, also can ensure cover and telescopic joint strength.
Optionally, the outside cover of clamping ring is equipped with the spacing ring with cover fixed connection, and the internal diameter of spacing ring equals the external diameter of clamping ring, and the spacing ring is less than the clamping ring along self axial length, and the internal diameter of clamping ring equals the intra-annular pipeline external diameter of seal ring.
Through adopting above-mentioned technical scheme, set up the spacing ring in the cover to make the internal diameter of spacing ring equal the clamping ring external diameter, and the clamping ring internal diameter equals the intra-annular pipeline external diameter of sealing, thereby make the clamping ring only can be along self axial displacement, avoid the clamping ring to radially take place the skew along self, improved the clamping ring and compressed tightly the moving stability of in-process to the sealing ring.
Optionally, the outer side of the pipeline in the sealing ring is provided with scale marks along the axial direction of the pipeline, and the temperature value is used as scale marks.
Through adopting above-mentioned technical scheme, because construction area's ambient temperature can influence the intraductal pipeline of telescopic joint department seal and follow self axial flexible length in the sleeve, consequently set up the temperature scale mark along self axial in the intraductal pipeline outside of seal, can contrast construction area's ambient temperature and the temperature scale mark on the sleeve, and then be convenient for confirm that the pipeline inserts the inside length of sleeve.
Optionally, a plurality of anti-slip strips are fixedly arranged on the outer side surface of the cylinder cover along the circumferential direction of the cylinder cover.
Through adopting above-mentioned technical scheme, the antislip strip can play the antiskid to the cover outer wall, is convenient for install the cover on the sleeve.
Optionally, the inner diameter of the end of the cylinder cover far away from the sleeve is equal to the outer diameter of the pipeline in the sealing ring.
Through adopting above-mentioned technical scheme, make the cover keep away from the internal diameter of sleeve one end and equal to the intraductal pipeline external diameter of sealing, ensure that the cover only can follow self axial displacement, avoid the cover to take place the skew and influence the pressure effect of clamping ring to the sealing ring.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the compression ring, the compression ring compresses the sealing ring in the sleeve, so that the sealing effect at the telescopic joint is improved, and meanwhile, the telescopic joint is convenient to install;
2. through setting up the shell fragment, further strengthened the effect that compresses tightly to the sealing ring to the sealed effect of sleeve with the pipeline has been improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is an exploded schematic view of an embodiment of the present application;
fig. 4 is a partially enlarged view of a portion a in fig. 2.
Description of reference numerals: 1. a sleeve; 11. connecting the cylinder sections; 12. a seal ring; 2. a cylinder cover; 21. a limiting ring; 22. anti-slip strips; 23. pressing a ring; 231. a spring plate; 3. a pipeline; 31. scale marks.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses telescopic joint structure. Referring to fig. 1, a telescopic joint structure includes a sleeve 1, a cover 2 and two pipes 3, the two pipes 3 respectively penetrate through two ends of the sleeve 1, one of the pipes 3 is fixedly connected with the sleeve 1, the cover 2 is sleeved on the other pipe 3 and is in threaded connection with the sleeve 1, and water flows to the other pipe 3 through the pipe 3 connected with one end of the cover 2.
Referring to fig. 2, the sleeve 1 is a tubular structure with openings at two ends, the inner diameter of the sleeve 1 is the same as the outer diameters of the two pipelines 3, the diameter of one end of the sleeve 1 close to the cover 2 is increased and forms a connecting cylinder section 11, a sealing ring 12 is coaxially arranged in the connecting cylinder section 11, the outer side surface of the sealing ring 12 is abutted to the inner side surface of the connecting cylinder section 11, the inner diameter of the sealing ring 12 is the same as the outer diameter of the pipeline 3, and the sealing ring 12 is sleeved on the pipeline 3 close to one end of the cover 2. An external thread is arranged on the outer side surface of the connecting cylinder section 11, and an internal thread matched with the external thread for use is arranged on the inner side surface of the cylinder cover 2.
During the installation, all overlap the cover 2, sealing ring 12 and sleeve 1 and locate pipeline 3 on, then move sealing ring 12 to connecting cylinder section 11 in, screw up the internal thread of cover 2 inside on the external screw thread in connecting cylinder section 11 outside again, be that sealing ring 12 plays sealed effect to telescopic joint department.
Referring to fig. 2 and 3, the cover 2 is an annular cover-shaped structure, one end of the cover 2 close to the sleeve 1 is in an open shape and is sleeved on the connecting cylinder section 11, a hole for the pipeline 3 to pass is formed in the center of the other end, the inner diameter of one end of the cover 2 far away from the sleeve 1 is equal to the outer diameter of the pipeline 3, a plurality of anti-slip strips 22 are evenly arranged on the outer side surface of the cover 2 along the circumferential direction of the anti-slip strips 22, and the anti-slip strips 22 are fixedly connected with the cover 2.
Referring to fig. 2 and 4, coaxial cover is equipped with clamping ring 23 on the pipeline 3 in the cover 2, clamping ring 23 is located cover 2, clamping ring 23 internal diameter equals the 3 external diameters of pipeline, clamping ring 23 external diameter equals the 12 external diameters of sealing ring, the clamping ring 23 keep away from the inside butt of one end and the cover 2 of sealing ring 12, the other end evenly is provided with a plurality of shell fragment 231 along circumference, the length direction of shell fragment 231 is along the radial of clamping ring 23, shell fragment 231 is close to the inside one end of clamping ring 23 and clamping ring 23 fixed connection, the other end is towards the direction slope that is close to sealing ring 12, and closely the butt with the terminal surface of sealing ring 12. The outside cover of clamping ring 23 is equipped with the spacing ring 21 with cover 2 fixed connection, and the internal diameter of spacing ring 21 equals the external diameter of clamping ring 23, and spacing ring 21 is less than clamping ring 23 along self axial length.
When the cover 2 is installed, the pressing ring 23 is moved to the position of the sealing ring 12, the elastic sheet 231 on the pressing ring 23 is tightly abutted to the sealing ring 12, the cover 2 is connected with the connecting cylinder section 11 in a threaded manner, the cover 2 is abutted to the pressing ring 23, the sealing ring 12 is tightly pressed in the connecting cylinder section 11 under the action of the elastic force of the elastic sheet 231, the sealing ring 12 is prevented from displacing, and the sealing effect of the telescopic joint is improved.
Referring to fig. 3, the outside of the pipe 3 in the sealing ring 12 is provided with scale marks 31 along its own axial direction, and the temperature value is used as a scale mark.
During the installation, contrast the ambient temperature in construction area and the temperature scale mark 31 on the sleeve 1, and then confirm that pipeline 3 inserts the inside length of sleeve 1, install cover 2 again, avoid pipeline 3 to take place to leak when following self axial displacement in sleeve 1 because of the difference in temperature.
The implementation principle of an expansion joint structure in the embodiment of the application is as follows: during the use, with cover 2, seal ring 12 and sleeve 1 cover are located on pipeline 3, the ambient temperature of construction area contrasts with the temperature scale mark 31 on the sleeve 1, and then confirm that pipeline 3 inserts the inside length of sleeve 1, then remove sealing ring 12 to connecting the bobbin section 11 in, and remove clamping ring 23 to sealing ring 12 department, make the inseparable butt of shell fragment 231 and sealing ring 12 on the clamping ring 23, again with cover 2 with screw up on connecting bobbin section 11, the elastic force of shell fragment 231 makes sealing ring 12 and connecting bobbin section 11 inner wall this moment, the inseparable butt of 3 outer walls of pipeline, the sealed effect of telescopic joint department has been improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A telescopic joint structure is characterized in that: including two pipeline (3) that are used for connecting, be provided with sleeve (1) between two pipeline (3), one of them pipeline (3) and sleeve (1) one end fixed connection, closely be provided with sealing ring (12) in sleeve (1) other end, another pipeline (3) closely wears to establish in sealing ring (12), the one end externally mounted that sleeve (1) is provided with sealing ring (12) has cover (2), be provided with clamping ring (23) in cover (2), clamping ring (23) cover is established on pipeline (3) in sealing ring (12), and the one end and the sealing ring (12) butt of clamping ring (23), the other end and the inside butt of cover (2).
2. A telescopic joint structure according to claim 1, wherein: one end that clamping ring (23) is close to sealing ring (12) evenly is provided with a plurality of shell fragment (231) along self circumference, and shell fragment (231) are close to inside one end of clamping ring (23) and clamping ring (23) fixed connection, and the other end inclines towards the direction that is close to sealing ring (12), and with the inseparable butt of sealing ring (12).
3. A telescopic joint structure according to claim 1, wherein: one end diameter that sleeve (1) is close to cover (2) increases and forms connecting cylinder section (11), and sealing ring (12) are located connecting cylinder section (11), and sleeve (1) internal diameter equals with pipeline (3) external diameter, and pipeline (3) one end that is located sealing ring (12) is inserted and is established in sleeve (1).
4. A telescopic joint structure according to claim 3, wherein: the outer side face of the connecting cylinder section (11) is provided with external threads, and the inner side face of the cylinder cover (2) is provided with internal threads matched with the external threads for use.
5. A telescopic joint structure according to claim 1, wherein: the outside cover of clamping ring (23) is equipped with spacing ring (21) with cover (2) fixed connection, and the internal diameter of spacing ring (21) equals the external diameter of clamping ring (23), and spacing ring (21) are less than clamping ring (23) along self axial length, and the internal diameter of clamping ring (23) equals pipeline (3) external diameter in sealing ring (12).
6. A telescopic joint structure according to claim 1, wherein: pipeline (3) outside in sealing ring (12) is provided with scale mark (31) along self axial, and regards as the scale mark with the temperature value.
7. A telescopic joint structure according to claim 1, wherein: a plurality of anti-slip strips (22) are fixedly arranged on the outer side surface of the barrel cover (2) along the circumferential direction of the barrel cover.
8. A telescopic joint structure according to claim 1, wherein: the inner diameter of one end, far away from the sleeve (1), of the sleeve cover (2) is equal to the outer diameter of the pipeline (3) in the sealing ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221560950.6U CN217634368U (en) | 2022-06-21 | 2022-06-21 | Telescopic joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221560950.6U CN217634368U (en) | 2022-06-21 | 2022-06-21 | Telescopic joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN217634368U true CN217634368U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221560950.6U Active CN217634368U (en) | 2022-06-21 | 2022-06-21 | Telescopic joint structure |
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| CN (1) | CN217634368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899344A (en) * | 2022-12-24 | 2023-04-04 | 浙江永德信科技有限公司 | Explosion-proof stop |
-
2022
- 2022-06-21 CN CN202221560950.6U patent/CN217634368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899344A (en) * | 2022-12-24 | 2023-04-04 | 浙江永德信科技有限公司 | Explosion-proof stop |
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