CN210950386U

CN210950386U - High-performance rectangular corrugated expansion joint

Info

Publication number: CN210950386U
Application number: CN201921875476.4U
Authority: CN
Inventors: 华顺鑫; 华建春
Original assignee: Wuxi Huabo Metal Corrugated Hose Co ltd
Current assignee: Wuxi Huabo Metal Corrugated Hose Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-07
Anticipated expiration: 2029-11-04

Abstract

The utility model belongs to the technical field of expansion joints, in particular to a high-performance rectangular corrugated expansion joint, which comprises an expansion joint body, wherein an extension frame is arranged on the outer side surface of the expansion joint body through welding, a connecting screw rod is arranged on the side surface of the extension frame in a penetrating way, a pressure spring is sleeved on the outer side surface of one end of the connecting screw rod, a corrugated pipe body is integrally formed on the inner side of the expansion joint body, a sealing sleeve is sleeved on the outer side surface of the corrugated pipe body, and a reset assembly is sleeved on the inner side of the sealing sleeve; the pressure spring can extrude the extension frame in the stretching process of the corrugated pipe, so that the length of the corrugated pipe body is contracted, and the excessive stretching of the corrugated expansion joint is avoided; the reset assembly enables the sealing sleeve to be far away when the expanding agent is compressed, irreversible plastic deformation generated when the corrugated pipe body is extruded is avoided, and the stability of the expansion joint is improved.

Description

High-performance rectangular corrugated expansion joint

Technical Field

The utility model belongs to the technical field of the expansion joint, concretely relates to high performance rectangle 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 can be deformed, the thermal expansion difference generated by different wall temperatures of the tube and the shell 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 intensity damage, the instability damage and the tube pull-out damage are avoided. The expansion joint has a plurality of types, and commonly used structures such as a wave shape, ring plate welding, a clamping shell type and the like, wherein the wave shape expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions; still expose some problems in the current rectangle ripple expansion joint use, the expansion joint is difficult to the resilience after tensile or shrink and resets itself, leads to self to produce irreversible plastic deformation, influences expansion joint life, to the problem that present expansion joint exposes, is necessary to carry out structural improvement and optimization to the expansion joint.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a high performance rectangle ripple expansion joint has the expansion joint self of being convenient for kick-backs and resets, avoids the expansion joint to produce irreversible plastic deformation's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high performance rectangle ripple expansion joint, includes the expansion joint body, the outside surface of expansion joint body is equipped with through the welding and extends the frame, the side surface of extending the frame runs through and is equipped with connecting screw, connecting screw's one end outside surface has cup jointed pressure spring, the inboard integrated into one piece of expansion joint body has the ripple body, the outside surface of ripple body has cup jointed the seal cover, the reset assembly has been cup jointed to the inboard of seal cover, and reset assembly includes annular cover, auxiliary spring and synchronous board, auxiliary spring run through the both sides surface of annular cover and with the lateral wall of seal cover, synchronous board is placed in the both sides of annular cover, the both ends of auxiliary spring contact with the inboard surface of synchronous board, the outside surface of synchronous board contacts with the inner wall of seal cover.

As the utility model discloses a preferred technical scheme of high performance rectangle ripple expansion joint, the expansion joint body is hollow prism component, the bellows body is hollow rectangle ripple tubulose component.

As the utility model discloses a preferred technical scheme of high performance rectangle ripple expansion joint, connecting screw's one end is fixed with the nut through the screw thread closure soon, pressure spring's one end and the contact of nut side surface, pressure spring's the other end and the outer wall contact of extension frame.

As the utility model discloses a preferred technical scheme of high performance rectangle ripple expansion joint, the annular cover is the framework component, the side surface align to grid of annular cover has auxiliary spring.

As the utility model discloses a preferred technical scheme of high performance rectangle ripple expansion joint, auxiliary spring is the framework component, per two reset assembly has all been placed between the seal cover.

As the utility model discloses a preferred technical scheme of high performance rectangle ripple expansion joint, the recess has been seted up to the both ends side surface of expansion joint body, and the sealing ring has been placed to the inside gomphosis of recess.

As the utility model discloses a preferred technical scheme of high performance rectangle ripple expansion joint, the guard plate has been placed to the four corners department gomphosis of seal cover, the guard plate is the rigid plastic component.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure spring and the reset assembly are additionally arranged on the outer side of the expansion joint, the pressure spring can extrude the extension frame in the stretching process of the corrugated pipe, the length of the corrugated pipe body is contracted, and the corrugated expansion joint is prevented from being stretched excessively; the reset assembly enables the sealing sleeve to be far away when the expanding agent is compressed, irreversible plastic deformation generated when the corrugated pipe body is extruded is avoided, and the stability of the expansion joint is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the corrugated pipe body of the present invention;

in the figure: 1. an expansion joint body; 2. a seal ring; 3. an extension frame; 4. sealing sleeves; 5. a protection plate; 6. connecting a screw rod; 7. a pressure spring; 8. an annular sleeve; 9. an auxiliary spring; 10. a synchronization board; 11. a corrugated pipe body.

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. 1-3, the present invention provides the following technical solutions: the utility model provides a high performance rectangle ripple expansion joint, including expansion joint body 1, the outside surface of expansion joint body 1 is equipped with through the welding and extends frame 3, the side surface that extends frame 3 runs through and is equipped with connecting screw 6, connecting screw 6's one end outside surface has cup jointed pressure spring 7, expansion joint body 1's inboard integrated into one piece has corrugated pipe body 11, corrugated pipe body 11's outside surface has cup jointed seal cover 4, reset assembly has been cup jointed to seal cover 4's inboard, reset assembly includes annular cover 8, auxiliary spring 9 and synchronous board 10, auxiliary spring 9 run through annular cover 8 both sides surface and with seal cover 4's lateral wall, synchronous board 10 places the both sides at annular cover 8, auxiliary spring 9's both ends contact with synchronous board 10's inboard surface, synchronous board 10's outside surface and seal cover 4's inner wall contact.

Specifically, the expansion joint body 1 is a hollow prism member, and the corrugated pipe body 11 is a hollow rectangular corrugated pipe member.

Specifically, the one end of connecting screw 6 is fixed with the nut through the screw thread closure soon, and pressure spring 7's one end and the contact of nut side surface, pressure spring 7's the other end and the outer wall contact of extension frame 3, pressure spring 7 can extrude extension frame 3 in the tensile in-process of bellows in this embodiment, contract 11 length of ripple body, avoid the excessive tensile of ripple expansion joint.

Specifically, the annular sleeve 8 is a frame member, and the auxiliary springs 9 are uniformly arranged on the side surface of the annular sleeve 8, and the auxiliary springs 9 can effectively pressurize the synchronizing plate 10 in this embodiment.

Specifically, the auxiliary spring 9 is a frame member, and the reset assembly is placed between every two sealing sleeves 4, and the reset assembly can enable the sealing sleeves 4 to be reset quickly after being extruded, so that the sealing sleeves 4 and the corrugated pipe bodies 11 inside the sealing sleeves are prevented from being deformed irreversibly.

Specifically, the recess has been seted up to the both ends side surface of expansion joint body 1, and sealing ring 2 has been placed to the inside gomphosis of recess, and sealing ring 2 promotes the leakproofness when expansion joint body 1 is connected with external body in this embodiment.

Specifically, guard plate 5 has been placed to the four corners gomphosis of seal cover 4, and guard plate 5 is the stereoplasm plastic component, and stereoplasm plastic slab possesses good shock resistance in this embodiment, can avoid the four corners department of bellows body 11 to be impacted by external force and cause deformation to break.

The utility model discloses a theory of operation and use flow: in the use process of the expansion joint of the utility model, the pressure spring 7 is sleeved on the outer wall of the connecting screw rod 6, the pressure spring 7 can extrude the extension frame 3 in the extension process of the corrugated pipe, the length of the corrugated pipe body 11 is contracted to avoid the excessive stretching of the corrugated expansion joint, the inner side of the sealing sleeve 4 is additionally provided with a resetting component, when the expanding agent is compressed, the auxiliary spring 9 on the side of the annular sleeve 8 pressurizes the synchronous plate 10 through the self elasticity, the synchronous plate 10 pressurizes the sealing sleeve 4, so that the sealing sleeve 4 is far away, and then make corrugated pipe body 11 tensile, produce irreversible plastic deformation when avoiding corrugated pipe body 11 to be extruded, the outside of corrugated pipe body 11 is increased and is equipped with seal cover 4, the edge of seal cover 4 and is equipped with guard plate 5, causes deformation when avoiding corrugated pipe body 11 to be strikeed by external force, stability when promoting the expansion joint and using.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high performance rectangle ripple expansion joint, includes expansion joint body (1), its characterized in that: the expansion joint comprises an expansion joint body (1), wherein an extension frame (3) is arranged on the outer side surface of the expansion joint body (1) through welding, a connecting screw rod (6) penetrates through the side surface of the extension frame (3), a pressure spring (7) is sleeved on the outer side surface of one end of the connecting screw rod (6), a corrugated pipe body (11) is integrally formed on the inner side of the expansion joint body (1), a sealing sleeve (4) is sleeved on the outer side surface of the corrugated pipe body (11), a reset assembly is sleeved on the inner side of the sealing sleeve (4) and comprises an annular sleeve (8), an auxiliary spring (9) and a synchronous plate (10), the auxiliary spring (9) penetrates through the two side surfaces of the annular sleeve (8) and is in contact with the side wall of the sealing sleeve (4), the synchronous plate (10) is placed on the two sides of the annular sleeve (8), and the two ends of the auxiliary spring (9), the outer lateral surface of the synchronizing plate (10) is in contact with the inner wall of the gland (4).

2. A high performance rectangular corrugated expansion joint as claimed in claim 1, wherein: the expansion joint body (1) is a hollow prism component, and the corrugated pipe body (11) is a hollow rectangular corrugated pipe component.

3. A high performance rectangular corrugated expansion joint as claimed in claim 1, wherein: one end of the connecting screw rod (6) is fixed with a nut in a screwing mode through threads, one end of the pressure spring (7) is in contact with the side surface of the nut, and the other end of the pressure spring (7) is in contact with the outer wall of the extension frame (3).

4. A high performance rectangular corrugated expansion joint as claimed in claim 1, wherein: the annular sleeve (8) is a frame member, and auxiliary springs (9) are uniformly arranged on the side surface of the annular sleeve (8).

5. A high performance rectangular corrugated expansion joint as claimed in claim 1, wherein: the auxiliary spring (9) is a frame component, and a reset assembly is arranged between every two sealing sleeves (4).

6. A high performance rectangular corrugated expansion joint as claimed in claim 1, wherein: the expansion joint is characterized in that grooves are formed in the side surfaces of two ends of the expansion joint body (1), and the sealing rings (2) are embedded in the grooves.

7. A high performance rectangular corrugated expansion joint as claimed in claim 1, wherein: protection plates (5) are embedded at four corners of the sealing sleeve (4), and the protection plates (5) are hard plastic components.