CN220957336U - Straight pipe pressure balance type corrugated expansion joint - Google Patents
Straight pipe pressure balance type corrugated expansion joint Download PDFInfo
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- CN220957336U CN220957336U CN202322449547.7U CN202322449547U CN220957336U CN 220957336 U CN220957336 U CN 220957336U CN 202322449547 U CN202322449547 U CN 202322449547U CN 220957336 U CN220957336 U CN 220957336U
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- expansion joint
- fixedly connected
- pipe
- corrugated pipe
- mounting
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- 238000009434 installation Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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Abstract
The utility model discloses a straight pipe pressure balance type corrugated expansion joint, which relates to the technical field of expansion joints and comprises a fixed ring, wherein a movable fixing mechanism is arranged on one side of the fixed ring and comprises a sliding groove, one side of the fixed ring is provided with the sliding groove, the inside of the sliding groove is fixedly connected with a sliding rail, and the outer wall of the sliding rail is movably connected with a sliding block. According to the utility model, through the arrangement of the movable fixing mechanism, the corrugated pipe can deform left and right or up and down, in the use process, the corrugated pipe can move more stably through the action of the sliding block on the sliding rail, and when the corrugated pipe moves to a proper position, the corrugated pipe is fixed through the cooperation of the first bolt and the nut, so that the flexibility of the corrugated pipe is better, the situation that the work cannot be normally performed due to single deformation is avoided, the flexibility is better, the application range is wider, and the practicability is better.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to a straight pipe pressure balance type corrugated expansion joint.
Background
Expansion joints refer to flexible elements that effectively function to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and is easy to deform, the thermal expansion difference of the tube and the shell caused by different wall temperatures can be compensated, and the axial load of the tube and the shell is reduced, so that the temperature difference stress of the tube, the tube plate and the shell is reduced, and the damage caused by strength damage, instability damage and tube pull-out damage is avoided.
Most of the currently used corrugated expansion joints can only deform up and down or left and right, and are inconvenient to install other pipelines.
Through retrieving, current patent [ CN 105650396B ] discloses a straight tube pressure balance type ripple expansion joint, its characterized in that: the device comprises a first support plate which is sleeved on a first through pipe and connected with the first through pipe, a second through pipe is sleeved with a third support plate and a fifth support plate which are connected with a second through pipe at intervals, and a second support plate and a fourth support plate which are sleeved with the second through pipe at intervals and keep a gap with the second through pipe are also sleeved on the second through pipe: a first corrugated pipe is fastened and connected between the first support plate and the second support plate, a second corrugated pipe is connected between the third support plate and the fourth support plate, a third corrugated pipe is connected between the second support plate and the fourth support plate, and the third corrugated pipe is sleeved outside the second corrugated pipe and forms a communicated airtight space with the inside of the first corrugated pipe: at least four first pull rods penetrating through the second support plate and fixedly connected with the fourth support plate are inserted on the first support plate, and at least four second pull rods fixedly connected with the fifth support plate are inserted on the second support plate. The invention can absorb the axial and transverse combined displacement of the through pipe at the same time and can limit the displacement of the through pipe. The expansion joint solves the problem that the performance of the expansion joint cannot be fully exerted;
Said invented patent solves the problem that the expansion joint performance can not be fully exerted, but most of the expansion joints used at present can only be deformed up and down or left and right, in the course of use, when the deformation requirements beyond the device are required, the prior art can not be used for possibly making the work impossible to be normally carried out, and its flexibility is poor, practicality is bad, application range is narrow, and it is inconvenient to install pipeline, in the course of use, the installation process is complex, and can result in longer installation time, affecting subsequent working process, working efficiency is poor, and practicality is bad.
Disclosure of utility model
The utility model aims to provide a straight pipe pressure balance type corrugated expansion joint so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the straight pipe pressure balance type corrugated expansion joint comprises a fixed ring, wherein a movable fixing mechanism is arranged on one side of the fixed ring, and the movable fixing mechanism comprises a chute;
A sliding groove is formed in one side of the fixing ring, a sliding rail is fixedly connected to the inside of the sliding groove, and a sliding block is movably connected to the outer wall of the sliding rail.
As the preferable technical scheme, the top fixedly connected with fixed plate of slider, the through-hole has been seted up to one side of fixed plate, the through-hole has been seted up to one side of solid fixed ring.
As the preferable technical scheme, the inner wall swing joint of through-hole has first bolt, the outer wall swing joint of first bolt has the nut.
As the preferable technical scheme, the bottom fixedly connected with movable plate of slider, one side swing joint of movable plate has the pivot.
As the preferable technical scheme, the inner wall of the fixed ring is fixedly connected with an end pipe, and one end of the end pipe is fixedly connected with a corrugated pipe.
As the preferable technical scheme, one end of the end pipe is provided with a mounting mechanism, the mounting mechanism comprises a mounting plate, and one end of the end pipe is fixedly connected with the mounting plate.
As the preferable technical scheme, one side of the mounting plate is provided with a mounting hole, and the inner wall of the mounting hole is movably connected with a second bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, through the arrangement of the movable fixing mechanism, the corrugated pipe can deform left and right or up and down, in the use process, the corrugated pipe can move more stably through the action of the sliding block on the sliding rail, and when the corrugated pipe moves to a proper position, the corrugated pipe is fixed through the cooperation of the first bolt and the nut, so that the flexibility of the corrugated pipe is better, the situation that the work cannot be normally performed due to single deformation is avoided, the flexibility is better, the application range is wider, and the practicability is better.
2. According to the utility model, through the arrangement of the mounting mechanism, the effect of being convenient for mounting the pipeline can be achieved, in the use process, the pipeline is connected with the mounting plate by penetrating the second bolt through the mounting hole on the mounting plate, so that the mounting process of the device is simpler and firmer, the mounting time is longer because of the complicated mounting process, and the working efficiency is higher.
Drawings
FIG. 1 is a schematic view of a three-dimensional appearance structure of the present utility model;
FIG. 2 is a schematic diagram of a mobile fixing mechanism according to the present utility model;
FIG. 3 is a schematic view of the mounting mechanism of the present utility model;
FIG. 4 is an enlarged schematic view of the mechanism of FIG. 2A according to the present utility model;
Reference numerals in the drawings: 1. an end pipe; 2. a movable fixing mechanism; 201. a chute; 202. a slide rail; 203. a slide block; 204. a moving plate; 205. a rotating shaft; 206. a fixing plate; 207. a first bolt; 208. a nut; 209. a through hole; 3. a mounting mechanism; 301. a mounting plate; 302. a mounting hole; 303. a second bolt; 4. a bellows; 5. and a fixing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1, the utility model provides the following technical scheme, which comprises a fixed ring 5, wherein one side of the fixed ring 5 is provided with a movable fixing mechanism 2, the inner wall of the fixed ring 5 is fixedly connected with two end pipes 1, one end of each end pipe 1 is fixedly connected with a corrugated pipe 4, and one end of each end pipe 1 is provided with a mounting mechanism 3.
Wherein: when the device is needed to be used, a pipeline and the device are firstly required to be installed, the device is installed through the installation mechanism 3, when the device is required to be deformed up and down, the end pipe 1 on one side is broken off, the end pipe 1 is driven to move through deformation of the corrugated pipe 4, the movable plate 204 can deform through the action of the rotating shaft 205, so that the device is deformed up and down, when the device is required to deform left and right, the device is moved and then fixed through the arranged movable fixing mechanism 2, the device can be moved left and right, when the corrugated pipe 4 is required to shrink, pressure is applied to the two ends of the end pipe 1, the corrugated pipe 1 drives the corrugated pipe 4 to shrink, and the corrugated pipe 4 can shrink through the rotating shaft 205 on the movable plate 204, so that shrinkage work is completed.
As shown in fig. 1, fig. 2 and fig. 3, a movable fixing mechanism 2 is arranged on one side of the fixing ring 5, the movable fixing mechanism 2 comprises a sliding groove 201, the sliding groove 201 is arranged on one side of the fixing ring 5, a sliding rail 202 is fixedly connected to the inside of the sliding groove 201, a sliding block 203 is movably connected to the outer wall of the sliding rail 202, a fixing plate 206 is fixedly connected to the top end of the sliding block 203, a through hole 209 is formed in one side of the fixing plate 206, through holes 209 are formed in one side of the fixing ring 5, first bolts 207 are movably connected to the inner wall of the through holes 209, the number of the first bolts 207 is two, nuts 208 are movably connected to the outer wall of the first bolts 207, a moving plate 204 is fixedly connected to the bottom end of the sliding block 203, and a rotating shaft 205 is movably connected to one side of the moving plate 204.
Wherein: when the left-right deformation is needed, the sliding block 203 is pushed at this time, the sliding block 203 moves more stably through the action on the sliding rail 202, the sliding block 203 drives the fixing plate 206 to start moving, the fixing plate 206 moves to a proper position, then the first bolt 207 passes through the through hole 209, then the nut 208 rotates on the first bolt 207, the sliding block 203 is fixed, and then the left-right deformation can be performed.
As shown in fig. 1, 2, 3 and 4, one end of the end pipe 1 is provided with a mounting mechanism 3, the mounting mechanism 3 comprises a mounting plate 301, one end of the end pipe 1 is fixedly connected with the mounting plate 301, the number of the mounting plates 301 is two, one side of the mounting plate 301 is provided with a mounting hole 302, and the inner wall of the mounting hole 302 is movably connected with a second bolt 303.
Wherein: when the device is required to be used, the pipeline and the device are installed, the pipeline and the mounting plate 301 are firstly attached together, then the second bolts 303 penetrate through each mounting hole 302, and then the mounting plate 301 and the pipeline are installed and fixed by rotating the second bolts 303, so that the installation work is completed.
The working principle of the utility model is as follows: when the device is needed to be used, a pipeline and the device are required to be installed, the pipeline and the mounting plate 301 are firstly attached together, then the second bolts 303 penetrate through each mounting hole 302, then the mounting plate 301 and the pipeline are installed and fixed through rotating the second bolts 303, so that the installation work is completed, when the up-and-down deformation is needed, the end pipe 1 on one side is broken off, the end pipe 1 is driven to move through deformation of the corrugated pipe 4, the moving plate 204 is deformed through the action of the rotating shaft 205, the up-and-down deformation is completed, when the left-and-right deformation is needed, the sliding block 203 is pushed, the sliding block 203 moves smoothly through the action on the sliding rail 202, the sliding block 203 drives the fixing plate 206 to move to a proper position, then the first bolts 207 penetrate through the through holes 209, then the nuts 208 rotate on the first bolts 207, the sliding block 203 are fixed, then the left-and-right deformation can be performed, when the corrugated pipe 4 is needed to be contracted, the pressure is applied to the two ends of the end pipe 1, the corrugated pipe 1 drives the corrugated pipe 4 to be contracted, the rotating shaft 205 is contracted, and the device can be contracted through the rotating shaft 205.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a straight tube pressure balance type ripple expansion joint, includes solid fixed ring (5), its characterized in that: a movable fixing mechanism (2) is arranged on one side of the fixing ring (5), and the movable fixing mechanism (2) comprises a sliding groove (201);
A sliding groove (201) is formed in one side of the fixed ring (5), a sliding rail (202) is fixedly connected to the inside of the sliding groove (201), and a sliding block (203) is movably connected to the outer wall of the sliding rail (202).
2. A straight tube pressure balanced type bellows expansion joint according to claim 1, wherein: the top fixedly connected with fixed plate (206) of slider (203), through-hole (209) have been seted up to one side of fixed plate (206), through-hole (209) have been seted up to one side of solid fixed ring (5).
3. A straight tube pressure balanced type bellows expansion joint according to claim 2, wherein: the inner wall swing joint of through-hole (209) has first bolt (207), the outer wall swing joint of first bolt (207) has nut (208).
4. A straight tube pressure balanced type bellows expansion joint according to claim 1, wherein: the bottom of the sliding block (203) is fixedly connected with a moving plate (204), and one side of the moving plate (204) is movably connected with a rotating shaft (205).
5. A straight tube pressure balanced type bellows expansion joint according to claim 1, wherein: the inner wall of the fixed ring (5) is fixedly connected with an end pipe (1), and one end of the end pipe (1) is fixedly connected with a corrugated pipe (4).
6. A straight tube pressure balanced type bellows expansion joint according to claim 5, wherein: one end of the end pipe (1) is provided with a mounting mechanism (3), the mounting mechanism (3) comprises a mounting plate (301), and one end of the end pipe (1) is fixedly connected with the mounting plate (301).
7. A straight tube pressure balanced type bellows expansion joint according to claim 6, wherein: one side of the mounting plate (301) is provided with a mounting hole (302), and the inner wall of the mounting hole (302) is movably connected with a second bolt (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322449547.7U CN220957336U (en) | 2023-09-11 | 2023-09-11 | Straight pipe pressure balance type corrugated expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322449547.7U CN220957336U (en) | 2023-09-11 | 2023-09-11 | Straight pipe pressure balance type corrugated expansion joint |
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| Publication Number | Publication Date |
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| CN220957336U true CN220957336U (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322449547.7U Active CN220957336U (en) | 2023-09-11 | 2023-09-11 | Straight pipe pressure balance type corrugated expansion joint |
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| CN (1) | CN220957336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118242509A (en) * | 2024-05-30 | 2024-06-25 | 江苏大明波纹管有限公司 | Reinforced shock-absorbing bellows expansion joint |
-
2023
- 2023-09-11 CN CN202322449547.7U patent/CN220957336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118242509A (en) * | 2024-05-30 | 2024-06-25 | 江苏大明波纹管有限公司 | Reinforced shock-absorbing bellows expansion joint |
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