CN220060999U

CN220060999U - Corrugated expansion joint

Info

Publication number: CN220060999U
Application number: CN202320768671.7U
Authority: CN
Inventors: 何步国; 李勇球
Original assignee: Jiangsu Dalicheng Electrical Co ltd
Current assignee: Jiangsu Dalicheng Electrical Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-11-21
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the technical field of corrugated expansion joints and discloses a corrugated expansion joint, which effectively solves the problem that the corrugated expansion joint is not uniformly stretched when the corrugated expansion joint is stretched at present, so that the service condition of the corrugated expansion joint is not uniform.

Description

Corrugated expansion joint

Technical Field

The utility model belongs to the technical field of corrugated expansion joints, and particularly relates to a corrugated expansion joint.

Background

According to the patent document with the publication number of CN214368512U, the utility model is named "a bellows expansion joint", which is described in the specification: when the movable groove is used, the two flanges are connected with the pipeline through threads, the circular sleeve is moved into the flange, the circular sleeve can drive the strip-shaped block to move in position when the circular sleeve moves, the circular sleeve can be tightly attached to the sealing ring when the strip-shaped block moves into the strip-shaped groove, then the circular sleeve is rotated to enable the strip-shaped block to enter the movable groove, the strip-shaped block can abut against the insertion block when entering the movable groove, the insertion block can move to the position in the placing groove, and when the strip-shaped block moves to a certain position in the movable groove, the insertion block can extend into the movable groove under the action of the elasticity of the compression spring, and the movement position of the strip-shaped block can be limited in the movable groove; the following drawbacks still remain:

when stretching the ripple expansion joint, tend to outwards pulling the one end of ripple expansion joint to make the both ends pulling force of ripple expansion joint inhomogeneous, thereby probably there is ripple expansion joint inhomogeneous in stretching, thereby make the service condition of ripple expansion joint uneven, damage after probably causing ripple expansion joint certain place use intensity great.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the corrugated expansion joint, which effectively solves the problem that the corrugated expansion joint is not uniformly stretched when the corrugated expansion joint is stretched at present, so that the use condition of the corrugated expansion joint is not uniform.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the corrugated expansion joint comprises a corrugated expansion joint, wherein flanges are arranged at the upper end and the lower end of the corrugated expansion joint, and a stretching control assembly is arranged between the two flanges;

the stretching control assembly comprises slots symmetrically arranged on two sides of the flange, inserting plates are arranged in the slots, clamping plates are arranged on one sides of the inserting plates, close to the corrugated expansion joints, of the inserting plates, the inserting plates are arranged in parallel with the clamping plates, expansion plates are arranged on one sides of the clamping plates, close to the corrugated expansion joints, a middle plate is arranged between the two expansion plates, expansion grooves are symmetrically formed in two ends of the middle plate, and the expansion plates are slidably connected to the inner portions of the expansion grooves.

Preferably, the guide grooves are symmetrically formed in the inserting plates, guide rods are symmetrically arranged on one side, close to the inserting plates, of each clamping plate, the guide rods are movably arranged in the guide grooves, springs are symmetrically arranged at the top ends of the clamping plates, and the top ends of the springs are fixedly connected with the bottom wall of the inserting plates.

Preferably, the inside rotation of picture peg is connected with first screw rod, installs two first limiting plates on the first screw rod, and two first limiting plates are installed respectively in the upper and lower both sides of picture peg.

Preferably, the clamping plate is provided with a first screw groove, and the first screw groove is in threaded connection with the first screw rod.

Preferably, the first swivel mount is installed to the side that is close to the ripple expansion joint of splint, and the middle part board is kept away from one side of ripple expansion joint and is equipped with the movable plate, and the second swivel mount is installed to the upper and lower both sides symmetry of movable plate, rotates on the second swivel mount and is connected with the dwang, and the one end and the first swivel mount rotation of dwang are connected.

Preferably, the inside rotation of movable plate is connected with the second screw rod, installs two second limiting plates on the second screw rod, and two second limiting plates are located the both sides of movable plate respectively.

Preferably, the middle plate is provided with a second screw groove, the second screw groove is in threaded connection with the second screw rod, screw sleeves are symmetrically arranged on two sides of the telescopic groove, and the inner threads of the screw sleeves are connected with compression screws.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the inserting plate is inserted into the slot on the flange, so that the clamping plate is tightly attached to one side of the flange, which is close to the corrugated expansion joint, under the action of the spring, thereby fixing the equipment, and the first screw is screwed down, so that the degree of tightly attaching the clamping plate to the flange is improved, the inserting plate and the clamping plate are tightly clamped on the flange, and therefore, the equipment is convenient to disassemble, assemble and fix and use;

(2) This novel through rotating the second screw rod, drive the movable plate and remove towards the middle part board, promote the dwang outside and rotate the back, promote two splint and keep away from each other about to apply the same pulling force to the flange at ripple expansion joint both ends, make the even tensile of ripple expansion joint, thereby improve the result of use of ripple expansion joint.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a bellows expansion joint according to the present utility model;

FIG. 2 is a schematic view of a stretch control assembly according to the present utility model;

FIG. 3 is a schematic view of the connection structure of the insert plate and the clamping plate according to the present utility model;

FIG. 4 is a schematic view of a middle plate structure of the present utility model;

in the figure: 1. a bellows expansion joint; 2. a flange; 3. a stretch control assembly; 301. a slot; 302. inserting plate; 303. a clamping plate; 304. a telescoping plate; 305. a first swivel mount; 306. a guide groove; 307. a guide rod; 308. a spring; 309. a first screw; 310. a first screw groove; 312. a middle plate; 313. a telescopic slot; 314. a moving plate; 315. a second swivel mount; 316. a rotating lever; 317. a second screw groove; 318. a second screw; 319. a screw sleeve; 320. and (5) compacting the screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

The first embodiment is shown in fig. 1-4, the utility model comprises a corrugated expansion joint 1, flanges 2 are arranged at the upper end and the lower end of the corrugated expansion joint 1, and a stretching control component 3 is arranged between the two flanges 2;

the stretching control component 3 comprises slots 301 symmetrically arranged at two sides of the flange 2, a plugboard 302 is arranged in the slots 301, a clamping plate 303 is arranged at one side of the plugboard 302 close to the corrugated expansion joint 1, the plugboard 302 is arranged in parallel with the clamping plate 303, a telescopic plate 304 is arranged at one side of the clamping plate 303 close to the corrugated expansion joint 1, a middle plate 312 is arranged between the two telescopic plates 304, telescopic grooves 313 are symmetrically arranged at two ends of the middle plate 312, the telescopic plate 304 is slidingly connected to the inside of the telescopic grooves 313, guide grooves 306 are symmetrically arranged on the plugboard 302, guide rods 307 are symmetrically arranged at one side of the clamping plate 303 close to the plugboard 302, the guide rods 307 are movably arranged in the guide grooves 306, springs 308 are symmetrically arranged at the top ends of the clamping plate 303, the top ends of the springs 308 are fixedly connected with the bottom wall of the plugboard 302, first screw 309 are rotatably connected with the inside of the plugboard 302, two first limiting plates are arranged on the first screw 309, two first limiting plates are respectively arranged on the upper side and the lower side of the plugboard 302, a first screw groove 310 is formed in the clamping plate 303, the first screw groove 310 is in threaded connection with a first screw 309, the plugboard 302 is inserted into a slot 301 on the flange 2, the clamping plate 303 is tightly attached to one side of the flange 2, which is close to the corrugated expansion joint 1, under the action of a spring 308, so that equipment is fixed, meanwhile, the first screw 309 is screwed, the degree of tightly attaching the clamping plate 303 to the flange 2 is improved, the plugboard 302 and the clamping plate 303 are tightly clamped on the flange 2, so that the equipment is convenient to assemble and disassemble and fix, the equipment is convenient to use, a first rotating seat 305 is arranged on one side of the clamping plate 303, which is close to the corrugated expansion joint 1, a movable plate 314 is arranged on one side of the middle plate 312, which is far away from the corrugated expansion joint 1, second rotating seats 315 are symmetrically arranged on the upper side and the lower side of the movable plate 314, and the second rotating seats 315 are rotationally connected with rotating rods 316, one end of the rotating rod 316 is rotationally connected with the first rotating seat 305, a second screw rod 318 is rotationally connected inside the moving plate 314, two second limiting plates are installed on the second screw rod 318 and are respectively located on two sides of the moving plate 314, a second screw groove 317 is formed in the middle plate 312, the second screw groove 317 is in threaded connection with the second screw rod 318, screw sleeves 319 are symmetrically installed on two sides of the telescopic groove 313, compression screws 320 are connected with the inner threads of the screw sleeves 319, the second screw rod 318 is rotated, the moving plate 314 is driven to move towards the middle plate 312, after the rotating rod 316 is pushed to rotate outwards, the upper clamping plate 303 and the lower clamping plate 303 are pushed to be away from each other, accordingly the same tensile force is applied to flanges 2 on two ends of the corrugated expansion joint 1, the corrugated expansion joint 1 is evenly stretched, and accordingly the using effect of the corrugated expansion joint 1 is improved.

Working principle: when the device is used, the inserting plate 302 is firstly inserted into the slot 301 on the flange 2, so that the clamping plate 303 is tightly attached to one side of the flange 2, which is close to the corrugated expansion joint 1, under the action of the spring 308, and then the first screw 309 is screwed, so that the inserting plate 302 and the clamping plate 303 are tightly clamped on the flange 2, and the device is convenient to disassemble and assemble and convenient to use;

when the length of the bellows expansion joint 1 needs to be adjusted, the second screws 318 on two sides are simultaneously rotated at the moment, so that the movable plate 314 moves towards the middle plate 312, the rotating rod 316 is driven to rotate outwards, the upper clamping plate 303 and the lower clamping plate 303 are pushed away from each other, the same tensile force is applied to the flanges 2 on two ends of the bellows expansion joint 1, the bellows expansion joint 1 is uniformly stretched, the using effect of the bellows expansion joint 1 is improved, when adjustment is performed, the compression screws 320 on two sides of the expansion groove 313 are firstly unscrewed, the expansion plate 304 is conveniently moved, and after adjustment, the compression screws 320 are screwed again, so that the fixing effect of the expansion plate 304 is improved.

Claims

1. A bellows expansion joint, comprising a bellows expansion joint (1), characterized in that: flanges (2) are arranged at the upper end and the lower end of the corrugated expansion joint (1), and a stretching control assembly (3) is arranged between the two flanges (2);

the stretching control assembly (3) comprises slots (301) symmetrically arranged on two sides of the flange (2), inserting plates (302) are arranged in the slots (301) and are arranged on one side, close to the corrugated expansion joint (1), of each inserting plate (302), clamping plates (303) are arranged in parallel, expansion plates (304) are arranged on one side, close to the corrugated expansion joint (1), of each clamping plate (303), middle plates (312) are arranged between the two expansion plates (304), expansion grooves (313) are symmetrically arranged at two ends of each middle plate (312), and the expansion plates (304) are connected inside the expansion grooves (313) in a sliding mode.

2. A bellows expansion joint according to claim 1, wherein: guide grooves (306) are symmetrically formed in the inserting plate (302), guide rods (307) are symmetrically arranged on one side, close to the inserting plate (302), of the clamping plate (303), the guide rods (307) are movably arranged in the guide grooves (306), springs (308) are symmetrically arranged at the top ends of the clamping plates (303), and the top ends of the springs (308) are fixedly connected with the bottom wall of the inserting plate (302).

3. A bellows expansion joint according to claim 1, wherein: the inside rotation of picture peg (302) is connected with first screw rod (309), installs two first limiting plates on first screw rod (309), and two first limiting plates are installed in upper and lower both sides of picture peg (302) respectively.

4. A bellows expansion joint according to claim 3, wherein: a first screw groove (310) is formed in the clamping plate (303), and the first screw groove (310) is in threaded connection with the first screw rod (309).

5. A bellows expansion joint according to claim 1, wherein: the one side that splint (303) are close to ripple expansion joint (1) is installed first seat of revolution (305), and one side that middle part board (312) kept away from ripple expansion joint (1) is equipped with movable plate (314), and second swivel mount (315) are installed to the upper and lower both sides symmetry of movable plate (314), rotate on second swivel mount (315) and are connected with dwang (316), and the one end and the first seat of revolution (305) of dwang (316) are rotated and are connected.

6. A bellows expansion joint according to claim 5, wherein: the inside rotation of movable plate (314) is connected with second screw rod (318), installs two second limiting plates on second screw rod (318), and two second limiting plates are located the both sides of movable plate (314) respectively.

7. A bellows expansion joint according to claim 6, wherein: the middle plate (312) is provided with a second screw groove (317), the second screw groove (317) is in threaded connection with a second screw rod (318), screw sleeves (319) are symmetrically arranged on two sides of the telescopic groove (313), and the inner threads of the screw sleeves (319) are connected with compression screws (320).