CN211875406U - Compound universal hinge type expansion joint - Google Patents
Compound universal hinge type expansion joint Download PDFInfo
- Publication number
- CN211875406U CN211875406U CN202020056624.6U CN202020056624U CN211875406U CN 211875406 U CN211875406 U CN 211875406U CN 202020056624 U CN202020056624 U CN 202020056624U CN 211875406 U CN211875406 U CN 211875406U
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- Prior art keywords
- expansion joint
- universal
- wall
- tension spring
- mounting flange
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 13
- 230000035939 shock Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000003313 weakening effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The utility model discloses a compound universal hinge type expansion joint relates to expansion joint manufacturing technical field, can produce some vibrations at the expanded in-process for solving current compound universal hinge type expansion joint, and these vibrations can cause adverse effect to the expansion joint, to this we need carry out the problem that weakens with its vibrations. Be provided with the universal expansion joint body on the outer wall of takeover body, and the universal expansion joint body is provided with two, the intermediate position department of universal expansion joint body is provided with the bellows, and the bellows is provided with a plurality of, the both sides of bellows all are provided with the mounting flange dish, and the mounting flange dish is provided with four, be provided with extension spring fixed establishment on the outer wall of universal expansion joint body opposite side, and extension spring fixed establishment is provided with four, extension spring fixed establishment's one end is provided with the shock attenuation extension spring, be provided with the upper portion riser on the outer wall of terminal surface before the takeover body, the one end of upper portion riser is provided with the upper portion flap.
Description
Technical Field
The utility model relates to an expansion joint manufacturing technical field specifically is a universal hinge type expansion joint of double entry.
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.
However, the existing compound universal hinge type expansion joint generates some vibration in the expansion process, and the vibration can cause adverse effect on the expansion joint, so that the vibration of the expansion joint needs to be weakened; thus, the existing need is not met, for which we propose a compound gimbal hinge type expansion joint.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound universal hinge type expansion joint to solve the current compound universal hinge type expansion joint that proposes in the above-mentioned background art and can produce some vibrations at the expanded in-process, these vibrations can cause adverse effect to the expansion joint, to this we need carry out the problem that weakens with its vibrations.
In order to achieve the above object, the utility model provides a following technical scheme: a compound universal hinge type expansion joint comprises a joint pipe body, wherein two universal expansion joint bodies are arranged on the outer wall of the joint pipe body, a corrugated pipe is arranged in the middle of the universal expansion joint body, a plurality of corrugated pipes are arranged, mounting flange plates are arranged on two sides of each corrugated pipe, four mounting flange plates are arranged, a tension spring fixing mechanism is arranged on the outer wall of the other side of the universal expansion joint body, four tension spring fixing mechanisms are arranged, a damping tension spring is arranged at one end of each tension spring fixing mechanism, an upper vertical plate is arranged on the outer wall of the front end face of the joint pipe body, an upper hinge plate is arranged at one end of each upper vertical plate, small pull rod mounting plates are arranged on the outer walls of two sides of each mounting flange plate, sixteen small pull rods are arranged on each small pull rod mounting plate, and small pull rods are arranged between the adjacent small pull rod mounting plates, adjacent be provided with connecting strut between the mounting flange dish, and connecting strut is provided with four, be provided with the installation screw on the outer wall of mounting flange dish front end face, and the installation screw is provided with a plurality of, mounting flange dish's intermediate position department is provided with interface channel.
Preferably, one end of the damping tension spring is fixedly connected with the universal expansion joint body through a tension spring fixing mechanism.
Preferably, one end of the damping tension spring is provided with a connecting pull ring.
Preferably, the inner wall of the connecting channel is provided with a mounting thread groove.
Preferably, one side of the universal expansion joint body is provided with four side vertical plates, one end of each side vertical plate is provided with a side hinge plate, and one end of each side hinge plate is provided with a pin shaft.
Preferably, a universal ring is arranged on the outer wall of the corrugated pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an extension spring fixed establishment and the universal expansion joint body fixed connection of shock attenuation extension spring one end, bear internal pressure and lead to it to expand and cause vibrations at the expansion joint, utilize extension spring fixed establishment to vibrate power transmission to shock attenuation extension spring department, make shock attenuation extension spring weaken the vibrations power, thereby reach the purpose that weakens vibrations, avoid the expansion joint to cause the condition of damage to take place because of the vibrations power is too big, shock attenuation extension spring's one end is provided with the connection pull ring, the utilization is connected the pull ring and can be assembled and weaken the vibrations power at both ends, because the distance of its shock attenuation extension spring increases, thereby can further weaken the vibrations power, and the holistic vibrations weakening effect has been improved.
2. Through setting up installation thread groove at the interface channel inner wall, installation thread groove is used for convenience of customers to carry out the installation of screw thread rotary type, and the benefit of doing so is further fixed it on general screw fixation's basis to can promote its holistic fixed effect, and improve its stability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of a partial structure of the bellows of the present invention;
FIG. 3 is a schematic view of a partial structure of the mounting flange of the present invention;
in the figure: 1. a pipe connecting body; 2. a universal expansion joint body; 3. mounting a flange plate; 4. a side vertical plate; 5. a side flap; 6. a gimbal ring; 7. a small pull rod; 8. an upper hinge plate; 9. a pin shaft; 10. a tension spring fixing mechanism; 11. a damping tension spring; 12. connecting a pull ring; 13. a bellows; 14. a small pull rod mounting plate; 15. connecting a support rod; 16. mounting a screw hole; 17. a connecting channel; 18. installing a thread groove; 19. an upper vertical plate.
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. 1-3, the present invention provides an embodiment: a compound universal hinge type expansion joint comprises a joint pipe body 1, universal expansion joint bodies 2 are arranged on the outer wall of the joint pipe body 1, two universal expansion joint bodies 2 are arranged, a corrugated pipe 13 is arranged in the middle of each universal expansion joint body 2, a plurality of corrugated pipes 13 are arranged, mounting flange plates 3 are arranged on two sides of each corrugated pipe 13, four mounting flange plates 3 are arranged, a tension spring fixing mechanism 10 is arranged on the outer wall of the other side of each universal expansion joint body 2, four tension spring fixing mechanisms 10 are arranged, a damping tension spring 11 is arranged at one end of each tension spring fixing mechanism 10, an upper vertical plate 19 is arranged on the outer wall of the front end face of the joint pipe body 1, an upper hinge plate 8 is arranged at one end of each upper vertical plate 19, small pull rod mounting plates 14 are arranged on the outer walls of two sides of each mounting flange plate 3, and sixteen small pull rod, be provided with little pull rod 7 between the adjacent little pull rod mounting panel 14, be provided with between the adjacent mounting flange dish 3 and connect branch 15, and connect branch 15 and be provided with four, be provided with installation screw 16 on the outer wall of mounting flange dish 3 preceding terminal surface, and installation screw 16 is provided with a plurality of, and the intermediate position department of mounting flange dish 3 is provided with interface channel 17.
Further, the one end of shock attenuation extension spring 11 is through extension spring fixed establishment 10 and universal expansion joint body 2 fixed connection, bears internal pressure and leads to it to expand and cause vibrations at the expansion joint, utilizes extension spring fixed establishment 10 to transmit the vibrations power to shock attenuation extension spring 11 department, makes shock attenuation extension spring 11 weaken the vibrations power to reach the purpose that weakens vibrations, avoid the expansion joint to cause the condition of damage to take place because of the vibrations power is too big.
Further, the one end of shock attenuation extension spring 11 is provided with connects pull ring 12, utilizes to connect pull ring 12 and can assemble and weaken the vibrations power at both ends, because its shock attenuation extension spring 11's distance increases to can further weaken the vibrations power, and improve holistic vibrations and weaken the effect.
Further, the inner wall of connecting channel 17 is provided with installation thread groove 18, and installation thread groove 18 is used for convenience of customers to carry out the installation of screw thread rotary type, and the benefit of doing so is further fixed it on general screw fixation's basis to can promote its holistic fixed effect, and improve its stability.
Further, a side vertical plate 4 is arranged on one side of the universal expansion joint body 2, four side vertical plates 4 are arranged, a side hinge plate 5 is arranged at one end of each side vertical plate 4, a pin shaft 9 is arranged at one end of each side hinge plate 5, and the side hinge plates 5 and the upper hinge plates 8 can absorb transverse deflection displacement in any direction.
Further, the outer wall of the corrugated pipe 13 is provided with a universal ring 6, and the universal ring 6 is also called a balance ring and is mainly used in cooperation with a hinge plate.
The working principle is as follows: when the universal expansion joint is used, one end of a damping tension spring 11 is fixedly connected with a universal expansion joint body 2 through a tension spring fixing mechanism 10, when the expansion joint bears internal pressure to cause the expansion joint to expand and cause vibration, the tension spring fixing mechanism 10 is utilized to transmit vibration force to the damping tension spring 11, so that the damping tension spring 11 weakens the vibration force, the purpose of weakening the vibration is achieved, the expansion joint is prevented from being damaged due to overlarge vibration force, one end of the damping tension spring 11 is provided with a connecting pull ring 12, the vibration force at two ends can be converged and weakened through the connecting pull ring 12, the distance of the damping tension spring 11 is increased, so that the vibration force can be further weakened, the integral vibration weakening effect is improved, the inner wall of a connecting channel 17 is provided with an installation thread groove 18, and the installation thread groove 18 is used for facilitating the screw thread rotary installation of a user, the benefit of doing so is further fixed it on general screw fixation's basis, thereby can promote its holistic fixed effect, and improve its stability, one side of universal expansion joint body 2 is provided with lateral part riser 4, and lateral part riser 4 is provided with four, the one end of lateral part riser 4 is provided with lateral part flap 5, the one end of lateral part flap 5 is provided with round pin axle 9, utilize lateral part flap 5 and upper portion flap 8 can absorb the ascending horizontal deflection displacement in arbitrary direction, be provided with universal ring 6 on the outer wall of bellows 13, universal ring 6 is the gimbal ring again, it mainly cooperates the flap to use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (6)
1. The utility model provides a universal hinge type expansion joint of double entry, includes takeover body (1), its characterized in that: the connecting pipe is characterized in that a universal expansion joint body (2) is arranged on the outer wall of the connecting pipe body (1), two universal expansion joint bodies (2) are arranged, a corrugated pipe (13) is arranged in the middle of each universal expansion joint body (2), a plurality of corrugated pipes (13) are arranged, mounting flange plates (3) are arranged on two sides of each corrugated pipe (13), four mounting flange plates (3) are arranged, tension spring fixing mechanisms (10) are arranged on the outer wall of the other side of each universal expansion joint body (2), four tension spring fixing mechanisms (10) are arranged, a damping tension spring (11) is arranged at one end of each tension spring fixing mechanism (10), an upper vertical plate (19) is arranged on the outer wall of the front end face of the connecting pipe body (1), an upper hinge plate (8) is arranged at one end of each upper vertical plate (19), and small pull rod mounting plates (14) are arranged on the outer walls of two sides of each, and little pull rod mounting panel (14) are provided with sixteen, adjacent be provided with little pull rod (7) between little pull rod mounting panel (14), adjacent be provided with between mounting flange dish (3) connecting branch (15), and connecting branch (15) are provided with four, be provided with installation screw (16) on the outer wall of terminal surface before mounting flange dish (3), and installation screw (16) are provided with a plurality of, the intermediate position department of mounting flange dish (3) is provided with interface channel (17).
2. A compound gimbal hinge-type expansion joint as claimed in claim 1, wherein: one end of the damping tension spring (11) is fixedly connected with the universal expansion joint body (2) through a tension spring fixing mechanism (10).
3. A compound gimbal hinge-type expansion joint as claimed in claim 1, wherein: one end of the damping tension spring (11) is provided with a connecting pull ring (12).
4. A compound gimbal hinge-type expansion joint as claimed in claim 1, wherein: the inner wall of the connecting channel (17) is provided with a mounting thread groove (18).
5. A compound gimbal hinge-type expansion joint as claimed in claim 1, wherein: one side of the universal expansion joint body (2) is provided with four side vertical plates (4), one end of each side vertical plate (4) is provided with a side hinge plate (5), and one end of each side hinge plate (5) is provided with a pin shaft (9).
6. A compound gimbal hinge-type expansion joint as claimed in claim 1, wherein: the outer wall of the corrugated pipe (13) is provided with a universal ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020056624.6U CN211875406U (en) | 2020-01-13 | 2020-01-13 | Compound universal hinge type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020056624.6U CN211875406U (en) | 2020-01-13 | 2020-01-13 | Compound universal hinge type expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211875406U true CN211875406U (en) | 2020-11-06 |
Family
ID=73260050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020056624.6U Expired - Fee Related CN211875406U (en) | 2020-01-13 | 2020-01-13 | Compound universal hinge type expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211875406U (en) |
-
2020
- 2020-01-13 CN CN202020056624.6U patent/CN211875406U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |