CN210344679U - Universal damping type metal corrugated expansion joint - Google Patents
Universal damping type metal corrugated expansion joint Download PDFInfo
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- CN210344679U CN210344679U CN201921295274.2U CN201921295274U CN210344679U CN 210344679 U CN210344679 U CN 210344679U CN 201921295274 U CN201921295274 U CN 201921295274U CN 210344679 U CN210344679 U CN 210344679U
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- bellows
- pull rod
- expansion joint
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- ring
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Abstract
The utility model discloses a general shock-proof type metal ripple expansion joint, the corrugated pipe comprises a corrugated pipe, the bellows both ends all are equipped with the flange ring, and are equipped with the equidistance between the flange ring and be the pull rod that the annular distributes, two flange ring lateral wall border position department all opens the perforation that the equidistance is the annular and distributes, the perforation on two flange rings is passed respectively at the pull rod both ends, the pull rod both ends all are equipped with external screw thread portion, and the equal spiro union in pull rod both ends has the locking cap, bellows lateral wall cover is equipped with the rubber circle, and rubber circle outside cover is equipped with the support ring, the support ring outer wall is opened and is the round hole that the annular distributes with the equidistance, and the. The utility model discloses the convenience is fixed the bellows, and convenient better fixed bellows makes things convenient for the dismouting bellows, conveniently maintains the maintenance, reduces the maintenance cost, can avoid the pull rod crooked for the bellows atress is more even, combines the rubber circle of setting, promotes the shock-absorbing capacity of expansion joint.
Description
Technical Field
The utility model relates to an expansion joint technical field especially relates to a general shock-proof type metal ripple expansion joint.
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.
The existing expansion joint is inconvenient to disassemble and assemble and inconvenient to overhaul, so that a general damping type metal corrugated expansion joint is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a general damping type metal corrugated expansion joint.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a general shock-proof type corrugated metal expansion joint, includes the bellows, the bellows both ends all are equipped with the flange ring, and are equipped with the pull rod that the equidistance is annular distribution between the flange ring, two the perforation that the equidistance is annular distribution is all opened to flange ring lateral wall border position department, the perforation on two flange rings is passed respectively at the pull rod both ends, the pull rod both ends all are equipped with external screw thread portion, and the equal spiro union in pull rod both ends has the locking cap, bellows lateral wall cover is equipped with the rubber circle, and rubber circle outside cover is equipped with the support ring, the support ring outer wall is opened and is the round hole that the equidistance distributes annularly, and the welding of round hole inner wall has the sleeve pipe, the pull rod is pegged graft with the sleeve pipe.
Preferably, two flange ring lateral walls all are equipped with the fixed subassembly that is used for fixed bellows.
Preferably, the fixing assembly comprises a C-shaped groove strip, and the side wall of the corrugated pipe is clamped with the C-shaped groove strip lining.
Preferably, two the flange ring is kept away from C type channel strip one side and all is fixed with the fixture block through the bolt, and two fixture blocks respectively with bellows lateral wall both ends position department butt.
Preferably, the two flange ring side walls are provided with fixing holes which are distributed annularly at equal intervals.
Preferably, two the flange ring is all opened annular groove to one side outer wall in opposite directions, and two annular groove inner walls all bond and have sealed rubber ring.
Preferably, two the flange ring is close to bellows one end and all opens there is heavy groove, and two heavy inslot wall all joints have the sealing washer.
The utility model has the advantages that:
through the C type channel bar and the fixture block that set up, the convenience is fixed the bellows, makes things convenient for better fixed bellows, makes things convenient for the dismouting bellows, conveniently maintains the maintenance, reduces the maintenance cost, and support ring and sleeve pipe can avoid the pull rod crooked for the bellows atress is more even, combines the rubber circle of setting, promotes the shock-absorbing capacity of expansion joint.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a general damping type metal corrugated expansion joint provided by the present invention;
fig. 2 is the utility model provides a structural schematic of general shock-proof type metal ripple expansion joint flange ring.
In the figure: 1 corrugated pipe, 2 sleeves, 3 support rings, 4 rubber rings, 5 spring parts, 6 flange rings, 7 pull rods, 8C-shaped groove strips, 9 clamping blocks, 10 fixing holes and 11 through holes.
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.
Referring to fig. 1-2, a general shock-proof type corrugated metal expansion joint, including bellows 1, bellows 1 both ends all are equipped with flange ring 6, and be equipped with the pull rod 7 that the equidistance is annular distribution between the flange ring 6, the perforation 11 that the equidistance is annular distribution is all opened to 6 lateral wall border position departments of two flange rings, the perforation 11 on two flange rings 6 is passed respectively at pull rod 7 both ends, pull rod 7 both ends all are equipped with external screw thread portion, and pull rod 7 both ends all the spiro union have the locking cap, bellows 1 lateral wall cover is equipped with rubber circle 4, and the outside cover of rubber circle 4 is equipped with support ring 3, the circular hole that the equidistance is annular distribution is opened to 3 outer walls of support ring, and the welding of circular hole inner wall has sleeve pipe 2, pull rod 7 pegs graft with sleeve pipe 2, the outside of pull rod 7 is.
The utility model discloses in, 6 lateral walls of two flange rings all are equipped with the fixed subassembly that is used for fixed bellows 1, fixed subassembly includes C type groove 8, and 1 lateral wall of bellows and 8 inside lining joints in C type groove, 8 one sides of C type groove all have fixture block 9 through the bolt fastening of keeping away from of two flange rings 6, and two fixture blocks 9 respectively with 1 lateral wall both ends position department butt of bellows, 6 lateral walls of two flange rings are all opened the fixed orifices 10 that the equidistance is the annular and distributes, 6 one side outer walls in opposite directions of two flange rings have all opened annular slot, and two annular slot inner walls all bond and have sealed rubber ring, two flange rings 6 are close to 1 one end of bellows and have all opened the heavy groove, and the equal joint of two heavy inslot inner walls has the sealing washer.
The working principle is as follows: during the use, fix the expansion joint to the pipeline through two flange rings 6, C type notch 8 and fixture block 9 are conveniently fixed bellows 1, make things convenient for better fixed bellows 1, make things convenient for dismouting bellows 1, conveniently maintain and overhaul, reduce the maintenance cost, support ring 3 and sleeve pipe 2 can avoid pull rod 7 skew for bellows 1 atress is more even, combines the rubber circle 4 that sets up, promotes the shock-absorbing capacity of expansion joint.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a general shock-proof type corrugated metal expansion joint, includes bellows (1), its characterized in that, bellows (1) both ends all are equipped with flange ring (6), and are equipped with between flange ring (6) equidistant pull rod (7) that are the annular and distribute, two the perforation (11) that the equidistance is the annular and distributes are all opened to flange ring (6) lateral wall border position department, perforation (11) on two flange rings (6) are passed respectively at pull rod (7) both ends, pull rod (7) both ends all are equipped with external screw thread portion, and pull rod (7) both ends all spiro union have the locking cap, bellows (1) lateral wall cover is equipped with rubber circle (4), and rubber circle (4) outside cover is equipped with support ring (3), support ring (3) outer wall is opened the equidistance and is the circular hole that the annular distributes, and the welding of round hole inner wall has sleeve pipe (2), pull rod (7) and sleeve pipe (2) peg graft, spring parts (5) are sleeved at positions, close to two ends of the sleeve (2), on the outer side of the pull rod (7).
2. Universal damping metal bellow expansion joint according to claim 1, characterised in that both said flange ring (6) side walls are provided with fixing means for fixing the bellow (1).
3. The universal shock absorbing metal bellows expansion joint according to claim 2 wherein the fixing assembly comprises a C-shaped channel (8) and the side wall of the bellows (1) is clamped to the liner of the C-shaped channel (8).
4. The universal damping type metal corrugated expansion joint as claimed in claim 3, wherein the two flange rings (6) are fixed with clamping blocks (9) by bolts at the side away from the C-shaped groove strips (8), and the two clamping blocks (9) are respectively abutted against the two ends of the side wall of the corrugated pipe (1).
5. A universal shock-absorbing metal bellows expansion joint according to claim 4, wherein the side walls of both flange rings (6) are provided with fixing holes (10) distributed in a ring shape at equal intervals.
6. The universal shock-absorbing metal corrugated expansion joint as claimed in claim 5, wherein the outer wall of one side of each of the two flange rings (6) facing each other is provided with an annular groove, and the inner wall of each of the two annular grooves is bonded with a sealing rubber ring.
7. The universal shock-absorbing metal corrugated expansion joint as claimed in claim 6, wherein the two flange rings (6) are provided with a sunken groove at one end close to the corrugated pipe (1), and the inner walls of the two sunken grooves are clamped with sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295274.2U CN210344679U (en) | 2019-08-12 | 2019-08-12 | Universal damping type metal corrugated expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295274.2U CN210344679U (en) | 2019-08-12 | 2019-08-12 | Universal damping type metal corrugated expansion joint |
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| Publication Number | Publication Date |
|---|---|
| CN210344679U true CN210344679U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921295274.2U Active CN210344679U (en) | 2019-08-12 | 2019-08-12 | Universal damping type metal corrugated expansion joint |
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| CN (1) | CN210344679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555553A (en) * | 2020-10-29 | 2021-03-26 | 无锡华利达金属制品有限公司 | Outer sleeve type elastically fixed corrugated pipe compensator |
-
2019
- 2019-08-12 CN CN201921295274.2U patent/CN210344679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555553A (en) * | 2020-10-29 | 2021-03-26 | 无锡华利达金属制品有限公司 | Outer sleeve type elastically fixed corrugated pipe compensator |
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