CN219413943U

CN219413943U - Self-adjusting corrugated expansion joint

Info

Publication number: CN219413943U
Application number: CN202320518864.7U
Authority: CN
Inventors: 华顺鑫
Original assignee: Wuxi Huabo Metal Corrugated Hose Co ltd
Current assignee: Wuxi Huabo Metal Corrugated Hose Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-25
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a self-adjusting corrugated expansion joint, which comprises two symmetrically arranged mounting plates, wherein a corrugated pipe is arranged between the two mounting plates, connecting plates are fixedly arranged on two sides of each mounting plate, screw rods are arranged in the two connecting plates in a penetrating mode through common threads in the longitudinal direction, nuts are sleeved on the screw rods and the connecting plates in a threaded mode, slots are formed in one side, close to each other, of each mounting plate, pipe orifices of the corrugated pipe are inserted into the slots, two symmetrically arranged first fixing plates are fixedly arranged on the outer sides of the mounting plates, and two symmetrically arranged second fixing plates are fixedly arranged on the outer sides of pipe orifices of the corrugated pipe. According to the utility model, the connection between the corrugated pipe and the mounting plates at two sides of the collision joint can be completed through the insertion connection between the positioning rods and the second fixing plates, and meanwhile, the positioning rods can be moved simultaneously through the driving of the bidirectional screw rod and the meshing of the bevel gears under the driving of the telescopic rods, so that the rapid replacement of the corrugated pipe in the expansion joint can be completed through simple operation.

Description

Self-adjusting corrugated expansion joint

Technical Field

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

Background

The bellows expansion joint is used for compensating thermal expansion of a pipeline between two devices, reduces force generated by installation errors on the devices, and can be conveniently adjusted according to the installation positions.

Through the search, chinese patent number CN212298098U discloses a high temperature type ripple expansion joint, and this expansion joint passes through locating piece, mounting panel, sleeve pipe, U template, threaded rod, carousel, slide and the cooperation of kelly, when high temperature resistant metal bellows takes place to damage, can be comparatively convenient change it.

But this expansion joint carries out the connection between mounting panel and the bellows through a plurality of dismantlement subassembly, need carry out a plurality of operations of dismantling the subassembly in proper order when need dismantling the bellows alone, it is time consuming.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems with the existing self-adjusting bellows expansion joint.

Therefore, the utility model aims to provide a self-adjusting corrugated expansion joint, which solves the problems that the expansion joint is connected between a mounting plate and a corrugated pipe through a plurality of disassembly components, and the operation of the plurality of disassembly components is needed to be sequentially carried out when the corrugated pipe is required to be disassembled singly, so that the time is consumed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the self-adjusting corrugated expansion joint comprises two symmetrically arranged mounting plates, a corrugated pipe is arranged between the two mounting plates, connecting plates are fixedly arranged on two sides of each mounting plate, a plurality of longitudinal connecting plates are internally threaded with screws in a threaded manner, nuts are sleeved between the screws and the connecting plates in a threaded manner, and the expansion joint can be fixed after being adjusted through the cooperation of the screws and the nuts;

the two mounting plates are provided with slots on the sides close to each other, the pipe orifices of the corrugated pipes are inserted into the slots, the corrugated pipes are communicated with the mounting plates, and the expansion energy is ensured to be capable of stably flowing objects;

the outside of mounting panel is fixed and is equipped with the first fixed plate that two symmetries set up, the mouth of pipe outside of bellows is fixed and is equipped with the second fixed plate that two symmetries set up, first fixed plate and second fixed plate support are equipped with connection positioning mechanism.

Preferably, the connecting and positioning mechanism comprises a bidirectional screw rod, the bidirectional screw rod rotates between two first fixing plates, two symmetrically arranged sliding plates are sleeved on the screw threads of the rod wall, positioning rods are fixedly arranged at the lower ends of the sliding plates, the positioning rods are inserted into the second fixing plates, and the pipe orifices of the corrugated pipes can be stably inserted into the slots through the cooperation of the positioning rods and the second fixing plates.

Preferably, a positioning hole matched with the positioning rod for insertion is formed in the second fixing plate, so that the positioning rod can be stably inserted into the second fixing plate.

Preferably, the lateral wall lower extreme of mounting panel is fixed and is equipped with the backup pad, the rotation is equipped with the montant in the backup pad, the montant is equipped with bevel gear with the pole wall of two-way lead screw is all fixed, two bevel gear meshing sets up, two the montant is close to the common fixed telescopic link that is equipped with of one end mutually, through the cooperation of telescopic link and bevel gear, can make two-way lead screw and a plurality of locating lever receive the operation simultaneously.

Further, the telescopic rod is a rectangular telescopic rod, so that the telescopic rod can only stretch and retract and does not rotate.

Preferably, a rotating block is fixedly sleeved on the outer side of the polish rod end in the middle of the bidirectional screw rod, and the rotating block is arranged in a circle and can drive the bidirectional screw rod to stably rotate.

Preferably, a plurality of jacks which are arranged in a surrounding symmetrical mode are formed in the rotating block, baffles are arranged on two sides of the rotating block, positioning bolts penetrate through internal threads of the baffles, the positioning bolts are inserted into the jacks, positions of the rotating block are determined, and the bidirectional screw rod is prevented from being pushed accidentally as much as possible.

Preferably, the sealing rings are fixedly arranged on the pipe orifice of the corrugated pipe and the inner wall of the slot, and the two sealing rings are matched and arranged to ensure the tightness of the corrugated pipe when connected with the mounting plate.

Preferably, the screw is a double-ended screw, so that the position between the two mounting plates and the corrugated pipe can be conveniently adjusted.

Compared with the prior art, the utility model provides a self-adjusting corrugated expansion joint, which has the following beneficial effects:

1. this self-interacting formula ripple expansion joint, through the grafting of locating lever and second fixed plate, can accomplish the connection of bellows and collision section both sides mounting panel, simultaneously through the drive of two-way lead screw and the meshing of bevel gear to under the drive of telescopic link, can make a plurality of locating levers remove simultaneously, thereby can accomplish the quick replacement of the inside bellows of expansion joint through simple operation.

2. This self-interacting formula ripple expansion joint, through the setting of sealing washer, guaranteed the connection leakproofness between bellows and the two mounting panels.

Drawings

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

FIG. 2 is an enlarged view of the portion A of FIG. 1;

FIG. 3 is an enlarged view of the part B of FIG. 1;

fig. 4 is a schematic structural view of the telescopic rod of fig. 1.

In the figure: the device comprises a mounting plate 1, a corrugated pipe 2, a connecting plate 3, a screw rod 4, a nut 5, a first fixing plate 6, a second fixing plate 7, a bidirectional screw rod 8, a sliding plate 9, a positioning rod 10, a supporting plate 11, a vertical rod 12, a bevel gear 13, a telescopic rod 14, a rotating block 15, a baffle 16, a positioning bolt 17 and a sealing ring 18.

Detailed Description

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

The embodiment of the utility model discloses a self-adjusting corrugated expansion joint.

Example 1

The utility model provides a self-adjusting corrugated expansion joint as shown in figures 1-4, which comprises two symmetrically arranged mounting plates 1, wherein a corrugated pipe 2 is arranged between the two mounting plates 1, two sides of each mounting plate 1 are fixedly provided with connecting plates 3, screw rods 4 are threaded through common threads in two longitudinal connecting plates 3, the screw rods 4 are double-headed screw rods, and nuts 5 are sleeved between the screw rods 4 and the connecting plates 3;

the slots are formed in the side, close to the two mounting plates 1, of the corrugated pipe 2, the pipe orifice of the corrugated pipe 2 is inserted into the slots, sealing rings 18 are fixedly arranged on the pipe orifice of the corrugated pipe 2 and the inner wall of the slots, and the two sealing rings 18 are matched.

When the expansion joint is used, the pipe orifice of the corrugated pipe 2 is inserted into the slot, and is sealed and wrapped by the sealing ring 18, so that the mounting plate 1 is connected with the corrugated pipe 2, and the expansion joint is ensured to work stably as a whole under the adjustment and fixation of the screw 4 and the nut 5.

Example 2

Embodiment 2 in order to be convenient for carry out quick connect and separation with bellows 2 and mounting panel 1 on the basis of embodiment 1, as shown in fig. 1-2, the outside of mounting panel 1 is fixed and is equipped with two first fixed plates 6 that set up symmetrically, the mouth of pipe outside of bellows 2 is fixed and is equipped with two second fixed plates 7 that set up symmetrically, first fixed plate 6 and second fixed plate 7 support are equipped with connection positioning mechanism, connection positioning mechanism includes two-way lead screw 8, two-way lead screw 8 rotates and take between two first fixed plates 6, and the pole wall thread bush is equipped with two slide plates 9 that set up symmetrically, the lower extreme of slide plate 9 is fixed and is equipped with locating lever 10, locating lever 10 inserts in the second fixed plate 7, the locating hole of cooperation locating lever 10 grafting has been seted up to the inside of second fixed plate 7.

When the corrugated pipe 2 is damaged and needs to be replaced, the two sliding plates 9 of the rod wall of the two-way screw rod 8 are driven to move and move away from each other by rotating the two-way screw rod 8, so that the sliding plates 9 drive the positioning rods 10 to be pulled out of the second fixing plate 7 in the moving process, and when the four positioning rods 10 are pulled out of the second fixing plate 7, the pipe orifice of the corrugated pipe 2 can be pulled out of the slot, and the separation between the corrugated pipe 2 and the two mounting plates 1 is completed.

In order to enable the two bidirectional screw rods 8 to rotate simultaneously, as shown in fig. 1-2 and fig. 4, a supporting plate 11 is fixedly arranged at the lower end of the side wall of the mounting plate 1, a vertical rod 12 is rotationally arranged in the supporting plate 11, bevel gears 13 are fixedly arranged on the vertical rod 12 and the rod wall of the bidirectional screw rods 8, the two bevel gears 13 are meshed, a telescopic rod 14 is fixedly arranged at one end, close to the other end, of each vertical rod 12, and the telescopic rod 14 is a rectangular telescopic rod.

When the upper bidirectional screw rod 8 rotates, the vertical rods 12 drive the telescopic rods 14 to rotate through the meshing of the two bevel gears 13, and under the connection of the telescopic rods 14, the two vertical rods 12 synchronously rotate, so that the two bidirectional screw rods 8 synchronously rotate through the meshing of the bevel gears.

Example 3

Embodiment 3 in order to rotate the bi-directional screw rod 8 and determine the position of the bi-directional screw rod 8 after rotation on the basis of embodiment 1, as shown in fig. 3, a rotating block 15 is fixedly sleeved on the outer side of the middle optical rod end of the bi-directional screw rod 8, the rotating block 15 is in a round shape, a plurality of jacks which are arranged in a surrounding symmetry manner are formed in the rotating block 15, baffles 16 are arranged on two sides of the rotating block 15, positioning bolts 17 are arranged in the inner threads of the baffles 16 in a penetrating manner, and the positioning bolts 17 are inserted into the jacks.

When the bidirectional screw rod 8 needs to rotate, the rotating block 15 can be pushed to enable the bidirectional screw rod 8 to rotate, and when the rotating block 15 drives the bidirectional screw rod 8 to rotate to a fixed position, the positioning bolt 17 is inserted into the jack in the rotating block 15, and the positions of the rotating block 15 and the bidirectional screw rod 8 are determined.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a self-interacting formula ripple expansion joint, includes mounting panel (1) that two symmetry set up, its characterized in that is equipped with bellows (2) between two mounting panel (1), connecting plate (3) are all fixed to the both sides of mounting panel (1), and vertical a plurality of two connecting plate (3) inside common screw thread wears to be equipped with screw rod (4), threaded sleeve is equipped with nut (5) between screw rod (4) and connecting plate (3);

slots are formed in the sides, close to each other, of the two mounting plates (1), and the pipe orifices of the corrugated pipes (2) are inserted into the slots;

the corrugated pipe is characterized in that two symmetrically arranged first fixing plates (6) are fixedly arranged on the outer side of the mounting plate (1), two symmetrically arranged second fixing plates (7) are fixedly arranged on the outer side of a pipe orifice of the corrugated pipe (2), and a connecting and positioning mechanism is arranged on the first fixing plates (6) and the second fixing plates (7) in a supporting mode.

2. The self-adjusting corrugated expansion joint according to claim 1, wherein the connecting and positioning mechanism comprises a bidirectional screw rod (8), the bidirectional screw rod (8) rotates between two first fixing plates (6), two symmetrically arranged sliding plates (9) are sleeved on the screw threads of the rod wall, positioning rods (10) are fixedly arranged at the lower ends of the sliding plates (9), and the positioning rods (10) are inserted into the second fixing plates (7).

3. Self-adjusting bellows expansion joint according to claim 1, characterized in that the second fixing plate (7) is internally provided with positioning holes for the insertion of the positioning rods (10).

4. The self-adjusting corrugated expansion joint according to claim 1, wherein a supporting plate (11) is fixedly arranged at the lower end of the side wall of the mounting plate (1), a vertical rod (12) is rotationally arranged in the supporting plate (11), bevel gears (13) are fixedly arranged on the vertical rod (12) and the rod wall of the bidirectional screw rod (8), the two bevel gears (13) are meshed, and a telescopic rod (14) is fixedly arranged at one end, close to the other end, of the vertical rod (12).

5. A self-adjusting bellows expansion joint according to claim 4, characterized in that the telescopic rod (14) is a rectangular telescopic rod.

6. The self-adjusting corrugated expansion joint according to claim 2, wherein a rotating block (15) is fixedly sleeved on the outer side of the middle optical rod end of the bidirectional screw rod (8), and the rotating block (15) is arranged in a circle.

7. The self-adjusting corrugated expansion joint according to claim 6, wherein a plurality of jacks which are arranged in a surrounding symmetry manner are formed in the rotating block (15), baffles (16) are arranged on two sides of the rotating block (15), positioning bolts (17) are arranged in the inner threads of the baffles (16) in a penetrating mode, and the positioning bolts (17) are inserted into the jacks.

8. Self-adjusting bellows expansion joint according to claim 1, characterized in that the inner walls of the pipe orifice and the slot of the bellows (2) are fixedly provided with sealing rings (18), and the two sealing rings (18) are arranged in a matched manner.

9. A self-adjusting bellows expansion joint according to claim 1, characterized in that the screw (4) is a double-ended screw.