CN214947268U - Non-metal expansion joint fixing structure - Google Patents
Non-metal expansion joint fixing structure Download PDFInfo
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- CN214947268U CN214947268U CN202120147540.8U CN202120147540U CN214947268U CN 214947268 U CN214947268 U CN 214947268U CN 202120147540 U CN202120147540 U CN 202120147540U CN 214947268 U CN214947268 U CN 214947268U
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- installation pipe
- circular
- expansion joint
- groove
- circular plate
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Abstract
The utility model relates to the technical field of expansion joints, and discloses a non-metal expansion joint fixing structure, which comprises a covering, wherein the left end of the covering is provided with an installation pipe A, the right end of the covering is provided with an installation pipe B, the inner wall of the installation pipe A is provided with a retainer ring, the surface of the installation pipe A is in threaded connection with a plurality of bolts, one end of each bolt is in threaded connection with the retainer ring, the outer ends of the installation pipe A and the installation pipe B are provided with a connecting flange, the surfaces of the installation pipe A and the installation pipe B are provided with a circular plate, one end of the circular plate is provided with a circular groove, the non-metal expansion joint fixing structure is provided with a circular plate, the circular groove is matched with the thread groove to enable the circular plate to be in thread moving positions on the installation pipe A and the installation pipe B, when the circular plate moves inwards to a certain position, the pressing block can be lowered, and the covering can be conveniently pressed by the pressing block, it is convenient to install skins on the surfaces of the installation tubes a and B.
Description
Technical Field
The utility model relates to an expansion joint technical field specifically is a non-metallic expansion joint fixed knot constructs.
Background
An expansion joint refers to a flexible element that effectively functions 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 easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage. The expansion joint has many kinds, and the common structures include wave, ring plate welding, clamping shell type and the like, wherein the wave expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.
Present patent number CN205173826U discloses a novel non-metallic expansion joint, this kind of device is through setting up the mounting hole, the bolt, retaining ring cooperation rubber packing ring, can be in the same place A installation pipe, covering and retaining ring link together, because the covering needs regularly to be changed, and the device's covering is in the same place through bolt and A installation union coupling again, so will dismantle all bolts when changing and get off the covering that could be renewed, the installation is wasted time and energy with the dismantlement process, for this, we propose a non-metallic expansion joint fixed knot structure and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a non-metallic expansion joint fixed knot constructs has solved the problem that the background art provided.
(II) technical scheme
For the above-mentioned purpose of being convenient for installation, convenient to detach, reduction intensity of labour of realizing, the utility model provides a following technical scheme: a non-metal expansion joint fixing structure comprises a skin, wherein an installation pipe A is arranged at the left end of the skin, an installation pipe B is arranged at the right end of the skin, a check ring is arranged on the inner wall of the installation pipe A, a plurality of bolts are in threaded connection with the surface of the installation pipe A, one ends of the bolts are in threaded connection with the check ring, a connecting flange is arranged at the outer ends of the installation pipe A and the installation pipe B, circular plates are arranged on the surfaces of the installation pipe A and the installation pipe B, a circular groove is formed in one end of each circular plate, a threaded groove communicated with the circular groove is formed in the other side of each circular plate, a plurality of sleeves are arranged on the surfaces of the installation pipe A and the installation pipe B, compression springs are fixedly connected to the inner walls of the sleeves, a plurality of pressing blocks are arranged on the surfaces of the installation pipe A and the installation pipe B, a movable groove is formed in one side of each pressing block, and one end of each sleeve extends into the movable groove, one end of the compression spring is fixedly connected with the inner wall of the movable groove.
Preferably, the circular plate is screwed with the surface of the mounting pipes a and B through a screw thread groove.
Preferably, the inner wall of the circular groove is obliquely arranged, and the pressing block is arranged in the circular groove.
Preferably, the circular plate is a metal plate, and the periphery of the circular plate is provided with anti-skid grains.
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this kind of non-metallic expansion joint fixed knot constructs, through setting up the circular slab, circular slab cooperation thread groove, can make the circular slab screw thread shift position on installation pipe A and installation pipe B, can make when the circular slab inwards removes a definite position and press the briquetting decline position, is convenient for press the briquetting and give the covering to compress tightly, is convenient for install the covering on the surface at installation pipe A and installation pipe B.
2. This kind of non-metallic expansion joint fixed knot constructs, sleeve pipe, compression spring cooperation movable groove press the briquetting and will lose the effect of pressing of circular recess when installation pipe A and installation pipe B outwards remove a certain position, and at this moment compression spring can upwards remove through elasticity and press the briquetting position, and the user of being convenient for takes off the covering on the surface of installation pipe A and installation pipe B.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic sectional view of the circular plate of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of a middle pressing block of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. covering a skin; 2. installing a pipe A; 3. installing a pipe B; 4. a bolt; 5. a retainer ring; 6. a connecting flange; 7. a circular plate; 8. a circular groove; 9. a thread groove; 10. a sleeve; 11. a compression spring; 12. a pressing block; 13. a movable groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, a non-metallic expansion joint fixing structure includes a skin 1, a mounting tube a2 is disposed at the left end of the skin 1, a mounting tube B3 is disposed at the right end of the skin 1, a retainer ring 5 is disposed on the inner wall of the mounting tube a2, a plurality of bolts 4 are threadedly coupled to the surface of the mounting tube a2, one end of each bolt 4 is threadedly coupled to the retainer ring 5, a coupling flange 6 is disposed at the outer ends of the mounting tube a2 and the mounting tube B3, a circular plate 7 is disposed on the surfaces of the mounting tube a2 and the mounting tube B3, the circular plate 7 is a metal plate, anti-slip threads are disposed on the circumferential side of the circular plate 7, the user can conveniently rotate the circular plate 7 to prevent slipping, the circular plate 7 is threadedly coupled to the surfaces of the mounting tube a2 and the mounting tube B3 through a thread groove 9, a circular groove 8 is disposed at one end of the circular plate 7, the inner wall of the circular groove 8 is disposed in an inclined manner, be convenient for move down and press the position of briquetting 12, conveniently press briquetting 12 to compress tightly covering 1, and press briquetting 12 to set up in circular slot 8, thread groove 9 with the circular slot 8 intercommunication is seted up to the opposite side of circular slab 7, the surface of installation pipe A2 and installation pipe B3 is provided with a plurality of sleeves 10, the inner wall fixedly connected with compression spring 11 of sleeve 10, the surface of installation pipe A2 and installation pipe B3 is provided with a plurality of briquetting 12 that press, movable groove 13 has been seted up to one side of pressing briquetting 12, the one end of sleeve 10 extends to in the movable groove 13, compression spring 11's one end and the inner wall fixed connection of movable groove 13.
The working principle is as follows: in use, the retainer ring 5 and the mounting tube A2 are first screwed together by the bolts 4, then the skin 1 is sleeved on the surfaces of the mounting tube A2 and the mounting tube B3, then the position of the circular plate 7 is screwed inwards, when the inclined surface of the circular groove 8 on the circular plate 7 is abutted against the pressing block 12, the pressing block 12 is moved downwards, when the pressing block 12 is moved downwards, the skin 1 is pressed against the surfaces of the mounting tube a2 and the mounting tube B3, when the skin 1 needs to be replaced, the positions of the mounting tube A2 and the mounting tube B3 are moved outwards by screw threads, the inclined surface of the circular groove 8 is released from the abutting state with the pressing block 12, when the pressing block 12 loses the restriction of the circular groove 8 and moves upward by the elastic force of the compression spring 11, when the pressing block 12 is released from the abutment with the skin 1, the user can easily remove the skin 1 from the mounting tubes a2 and B3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A non-metallic expansion joint fixing structure comprises a skin (1);
the method is characterized in that:
the left end of the skin (1) is provided with an installation pipe A (2), the right end of the skin (1) is provided with an installation pipe B (3), the inner wall of the installation pipe A (2) is provided with a check ring (5), the surface of the installation pipe A (2) is in threaded connection with a plurality of bolts (4), one end of each bolt (4) is in threaded connection with the check ring (5), the outer ends of the installation pipe A (2) and the installation pipe B (3) are provided with a connecting flange (6), the surfaces of the installation pipe A (2) and the installation pipe B (3) are provided with a circular plate (7), one end of the circular plate (7) is provided with a circular groove (8), the other side of the circular plate (7) is provided with a threaded groove (9) communicated with the circular groove (8), the surfaces of the installation pipe A (2) and the installation pipe B (3) are provided with a plurality of sleeves (10), and the inner walls of the sleeves (10) are fixedly connected with compression springs (11), the surface of installation pipe A (2) and installation pipe B (3) is provided with a plurality of pressure blocks (12), activity groove (13) have been seted up to one side of pressing blocks (12), the one end of sleeve pipe (10) extends to in activity groove (13), the one end of compression spring (11) and the inner wall fixed connection in activity groove (13).
2. The non-metallic expansion joint fixing structure according to claim 1, wherein: and the circular plate (7) is in threaded connection with the surfaces of the mounting pipe A (2) and the mounting pipe B (3) through a thread groove (9).
3. The non-metallic expansion joint fixing structure according to claim 1, wherein: the inner wall of the circular groove (8) is obliquely arranged, and the pressing block (12) is arranged in the circular groove (8).
4. The non-metallic expansion joint fixing structure according to claim 1, wherein: the round plate (7) is a metal plate, and anti-skid grains are arranged on the periphery of the round plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120147540.8U CN214947268U (en) | 2021-01-20 | 2021-01-20 | Non-metal expansion joint fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120147540.8U CN214947268U (en) | 2021-01-20 | 2021-01-20 | Non-metal expansion joint fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214947268U true CN214947268U (en) | 2021-11-30 |
Family
ID=79079652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120147540.8U Active CN214947268U (en) | 2021-01-20 | 2021-01-20 | Non-metal expansion joint fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214947268U (en) |
-
2021
- 2021-01-20 CN CN202120147540.8U patent/CN214947268U/en active Active
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