CN216078794U

CN216078794U - Mechanical clamping device of metal bellows expansion joint

Info

Publication number: CN216078794U
Application number: CN202122316702.9U
Authority: CN
Inventors: 吴建伏; 梁薇; 刘化斌; 王庆; 周玉洁
Original assignee: Aerosun Tola Expansion Joint Co ltd
Current assignee: Aerosun Tola Expansion Joint Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a mechanical clamping device for a metal corrugated pipe expansion joint, which comprises a metal corrugated pipe, wherein flange plates are fixedly connected to two sides of the metal corrugated pipe, round hole blocks are symmetrically and fixedly connected to two sides of each flange plate, a screw rod is sleeved in an inner cavity of each round hole block, a screw block is connected to the outer wall of each screw rod in a threaded manner, one end of each screw rod is fixedly connected with a round hole plate, a frame is in clearance fit with the inner cavity of each round hole plate, and a spring is fixedly connected between the two round hole plates. Can make corrugated metal pipe be in same water flat line, the skew appears when avoiding compressing, makes the ring flange of corrugated metal pipe both sides remain stable, avoids appearing the phenomenon of skew, appears damaged fracture when preventing to extrude, and holistic support centre gripping effect is better moreover, can carry out the self-interacting according to corrugated metal pipe's compression.

Description

Mechanical clamping device of metal bellows expansion joint

Technical Field

The utility model relates to the technical field of corrugated pipe expansion joints, in particular to a mechanical clamping device for a metal corrugated pipe expansion joint.

Background

The expansion function of the corrugated pipe is realized mainly by the corrugated pipe, the corrugated pipe expansion joint is used as a soft connecting pipe for the pump and applied to an inlet pipeline and an outlet pipeline of the pump, the general-purpose expansion joint (namely universal) arranged on the inlet pipeline and the outlet pipeline of the pump compensates the thermal expansion of the pipelines, the thrust of the thermal expansion of the pipelines to the pump is reduced, or the vibration generated during the operation of the pump is absorbed, but the corrugated pipe expansion joint can be compressed during the operation, if the two sides of the corrugated pipe are not on the same horizontal line, the corrugated pipe is easy to deviate during the compression, the outer wall of the corrugated pipe can be damaged and broken due to long-time extrusion, although the conventional corrugated pipe expansion joint can be supported by a screw rod, the effect is not good, a bolt needs to be screwed for loosening, the position of the corrugated pipe expansion joint can be limited, and therefore, the mechanical clamping device for the metal corrugated pipe expansion joint is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical clamping device for a metal corrugated pipe expansion joint, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a mechanical clamping device of corrugated metal pipe expansion joint, includes corrugated metal pipe, corrugated metal pipe's both sides fixedly connected with ring flange, the bilateral symmetry fixedly connected with round hole piece of ring flange, the screw rod has been cup jointed to the inner chamber of round hole piece, the outer wall threaded connection of screw rod has the spiral shell piece, the one end fixedly connected with round hole board of screw rod, the inner chamber clearance fit of round hole board has the frame, two fixedly connected with spring between the round hole board.

Preferably, the outer wall of the metal corrugated pipe is sleeved with five rubber rings.

Preferably, a circular ring is fixedly connected to the center of the frame, and an inner cavity of the circular ring is in clearance fit with the spring.

Preferably, the side wall of the round hole block is fixedly connected with a bent rod, and the other end of the bent rod is fixedly connected with the round hole plate.

Preferably, the side wall of the frame is fixedly connected with a hanging ring.

Preferably, the inner side of the hanging ring is glued with a gasket.

Compared with the prior art, the utility model has the beneficial effects that: support corrugated metal pipe through screw rod and frame, locate the corrugated metal pipe centre gripping at the center through the ring flange, when corrugated metal pipe compresses, the screw rod can move to the inboard, can carry out compression spring simultaneously, the screw rod can slide at the frame inner chamber, the frame also can slide at the round hole board inner chamber simultaneously, can make corrugated metal pipe be in same water flat line, the skew appears when avoiding compressing, make the ring flange of corrugated metal pipe both sides remain stable, avoid appearing the phenomenon of skew, breakage fracture appears when preventing to extrude, and holistic support centre gripping effect is better, can carry out the self-interacting according to corrugated metal pipe's compression.

Drawings

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

FIG. 2 is a perspective view of the screw of FIG. 1;

FIG. 3 is a detailed view of the structure of the circular orifice plate of FIG. 1;

FIG. 4 is a detail view of the frame of FIG. 1;

in the figure: 1. a metal bellows; 2. a flange plate; 3. a round hole block; 4. a screw; 5. a screw block; 6. a circular orifice plate; 7. a frame; 8. a spring; 9. a rubber ring; 10. a circular ring; 11. a hoisting ring; 12. a gasket; 13. and (4) bending the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a mechanical clamping device for a metal bellows expansion joint, comprising a metal bellows 1, flanges 2 fixedly connected to both sides of the metal bellows 1, circular hole blocks 3 symmetrically and fixedly connected to both sides of the flanges 2, a screw rod 4 sleeved in an inner cavity of the circular hole block 3, a screw block 5 in threaded connection with an outer wall of the screw rod 4, a circular hole plate 6 fixedly connected to one end of the screw rod 4, a frame 7 in clearance fit with the inner cavity of the circular hole plate 6, a spring 8 fixedly connected between the two circular hole plates 6, the screw rod 4 penetrating through the circular hole block 3, then rotating the screw block 5 to fix the screw rod 4 in the inner cavity of the circular hole block 3, clamping the metal bellows 1 at the center through the flanges, when the metal bellows 1 is compressed, the screw rod 4 will move inward, and will compress the spring 8 at the same time, the screw rod 4 will slide in the inner cavity of the frame 7, meanwhile, the frame 7 can slide in the inner cavity of the round hole plate 6, so that the metal corrugated pipe 1 can be positioned in the same horizontal line, and the deviation during compression is avoided.

The outer wall of corrugated metal pipe 1 has cup jointed rubber circle 9, and the quantity of rubber circle 9 is five, and rubber circle 9 cup joints in corrugated metal pipe 1's depressed part, has soft characteristic through rubber circle 9, and when corrugated metal pipe 1 compressed, corrugated metal pipe 1's lateral wall can contact with rubber circle 9, and rubber circle 9 can cushion, can reduce corrugated metal pipe 1's wearing and tearing simultaneously, the effectual life who improves corrugated metal pipe 1.

Fixedly connected with ring 10 is located at the center of frame 7, and the inner chamber and the 8 clearance fit of spring of ring 10, ring 10 can carry on spacingly to spring 8, avoids spring 8 to appear crooked in center department when the compression, can control spring 8 at frame 7 inboardly, prevents that spring 8 from using and appearing crooked, avoids influencing corrugated metal pipe 1's use.

The lateral wall fixedly connected with knee pole 13 of round hole piece 3, the other end and the round hole board 6 fixed connection of knee pole 13, knee pole 13 is used for connecting round hole piece 3 and round hole board 6, carries out spacing fixed when sliding, makes holistic slip more stable.

The lateral wall fixedly connected with rings 11 of frame 7 when installing, can carry out hoist and mount work through rings 11, can be unsettled with corrugated metal pipe 1, conveniently carries out subsequent installation work, and is simpler when butt joint with other pipeline assembly.

The inboard of rings 11 is glued and is had gasket 12, and gasket 12 can make rings 11 lateral wall softer, when carrying out hoist and mount work, can reduce rings 11's wearing and tearing, can increase frictional force simultaneously, prevents to appear gliding phenomenon when hoist and mount.

The working principle is as follows: during the use earlier runs through round hole piece 3 with screw rod 4, then rotate spiral shell piece 5, spiral shell piece 5 passes through the characteristics of screw thread, can fix screw rod 4 in round hole piece 3 inner chamber, being connected ring flange 2 with other pipelines, support corrugated metal pipe 1 through screw rod 4 and frame 7, through the ring flange with corrugated metal pipe 1 centre gripping in center department, when corrugated metal pipe 1 compresses, screw rod 4 can move to the inboard, can carry out compression spring 8 simultaneously, screw rod 4 can slide at frame 7 inner chamber, frame 7 also can slide at 6 inner chambers of round hole board simultaneously, can make corrugated metal pipe 1 be in same water flat line, appear the skew when avoiding compressing.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanical clamping device of metal bellows expansion joint which characterized in that: including corrugated metal pipe (1), the both sides fixedly connected with ring flange (2) of corrugated metal pipe (1), the bilateral symmetry fixedly connected with round hole piece (3) of ring flange (2), screw rod (4) have been cup jointed to the inner chamber of round hole piece (3), the outer wall threaded connection of screw rod (4) has spiral shell piece (5), the one end fixedly connected with round hole board (6) of screw rod (4), the inner chamber clearance fit of round hole board (6) has frame (7), two fixedly connected with spring (8) between round hole board (6).

2. The mechanical clamping device for the expansion joint of the metal corrugated pipe as claimed in claim 1, wherein: the outer wall of the metal corrugated pipe (1) is sleeved with five rubber rings (9), and the number of the rubber rings (9) is five.

3. The mechanical clamping device for the expansion joint of the metal corrugated pipe as claimed in claim 1, wherein: the center of the frame (7) is fixedly connected with a circular ring (10), and the inner cavity of the circular ring (10) is in clearance fit with the spring (8).

4. The mechanical clamping device for the expansion joint of the metal corrugated pipe as claimed in claim 1, wherein: the lateral wall fixedly connected with knee pole (13) of round hole piece (3), the other end of knee pole (13) with round hole board (6) fixed connection.

5. The mechanical clamping device for the expansion joint of the metal corrugated pipe as claimed in claim 1, wherein: the side wall of the frame (7) is fixedly connected with a hanging ring (11).

6. The mechanical clamping device for the expansion joint of the metal corrugated pipe as claimed in claim 5, wherein: and a gasket (12) is glued to the inner side of the hanging ring (11).