CN217762605U

CN217762605U - Non-metal expansion joint with acid and alkali resistant structure

Info

Publication number: CN217762605U
Application number: CN202221113895.6U
Authority: CN
Inventors: 丁浩原; 丁浩轩; 曹卫军; 丁荣根
Original assignee: Jiangsu Best Bellows Co ltd
Current assignee: Jiangsu Best Bellows Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-11-08
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a nonmetal expansion joint with acid and alkali-resistant structure, relate to expansion joint technical field, the main expansion joint of having solved is fixed with the inconvenient quick butt joint of pipeline, including the expansion joint, the laminating of expansion joint both sides has the pipeline, and the pipeline is close to one side of expansion joint and is provided with quick docking mechanism, quick docking mechanism includes the picture peg, the screens unit, press the unit, the slider, gag lever post and second spring, and the pipeline is close to one side of expansion joint and links firmly the picture peg, the picture peg is kept away from the one end of pipeline and is inserted and establish in the expansion joint, and the picture peg middle-end sets up the screens unit, the screens unit is kept away from one side laminating press the unit of picture peg, and press the unit both sides and link firmly the slider, the slider is kept away from the one end of pressing the unit and is slided in the expansion joint, and the inside gag lever post that inserts of slider middle-end, through setting up quick docking mechanism, when making expansion joint and pipeline dock fixed, the step is simpler and convenient, reduce the butt joint fixed time, thereby promote the installation effectiveness.

Description

Non-metal expansion joint with acid and alkali resistant structure

Technical Field

The utility model relates to an expansion joint technical field specifically is a nonmetal expansion joint with acid and alkali-resistant structure.

Background

The expansion joint is a flexible connecting piece used in pipeline connection, and mainly plays roles in reducing vibration and noise and compensating expansion with heat and contraction with cold caused by temperature change.

The non-metal expansion joint with acid and alkali resistant structure is usually a tubular rubber part consisting of inner and outer layer rubber, cord fabric and steel wire rings, is formed by loose combination with metal flanges or parallel joints after vulcanization molding, and is fixedly butted with a pipeline in a bolt mode and the like during installation.

When using the bolt to dock fixedly expansion joint and pipeline, need align the bolt hole of expansion joint and pipeline earlier, then fix a position in screwing the bolt hole with the bolt one-to-one, later use the instrument to twist the nut at the other end of bolt again, fix the bolt to make expansion joint and pipeline dock fixedly, this kind of mounting means is connected firmly, but the relative butt joint fixed step is comparatively loaded down with trivial details, thereby leads to the butt joint fixed comparatively inconvenient.

Therefore, a non-metal expansion joint with an acid and alkali resistant structure is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nonmetal expansion joint with acid and alkali-resistance structure to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nonmetal expansion joint with acid and alkali-resistant structure, including the expansion joint, the laminating of expansion joint both sides has the pipeline, and one side that the pipeline is close to the expansion joint is provided with quick docking mechanism, quick docking mechanism includes the picture peg, the screens unit, press the unit, the slider, gag lever post and second spring, and the pipeline links firmly the picture peg near one side of expansion joint, the one end that the pipeline was kept away from to the picture peg is inserted and is established in the expansion joint, and the picture peg middle-end sets up the screens unit, the screens unit is kept away from the one side laminating of picture peg and is pressed the unit, and press the unit both sides and link firmly the slider, the slider is kept away from the one end that presses the unit and is slided in the expansion joint, and the inside gag lever post of inserting of slider middle-end is established, the gag lever post both ends link firmly on the expansion joint, and the second spring is established to the gag lever post outside cover, the one end that the slider was kept away from to the second spring links firmly on the expansion joint, and the one end that the second spring is close to the slider is linked firmly on the slider.

As a preferred technical scheme of the utility model, the screens unit outside sets up complementary unit, and complementary unit includes spacing unit and buffer unit, and screens unit both sides set up spacing unit, and the spacing unit outside sets up buffer unit.

As a preferred technical scheme of the utility model, the screens unit includes cardboard and first spring, and inside inserting of picture peg middle-end establishes the cardboard, and one side that the cardboard was inserted and is established in the picture peg links firmly first spring, and the one end that the cardboard was kept away from to first spring links firmly on the picture peg.

As the utility model discloses an optimal technical scheme presses unit stripper plate and rubber pad, and the cardboard keeps away from one side laminating stripper plate of first spring, and one side that the cardboard was kept away from to the stripper plate links firmly the rubber pad, and the stripper plate both sides link firmly the slider.

As the utility model discloses a preferred technical scheme, spacing unit includes stopper and ball, and the cardboard both sides link firmly the stopper, and the stopper is kept away from the one end of cardboard and is slided in the expansion joint, and stopper inside inserts and establish the ball, and the ball is kept away from one side laminating picture peg of stopper.

As the utility model discloses a preferred technical scheme, the buffer unit includes first foam-rubber cushion and second foam-rubber cushion, and the stopper both sides link firmly first foam-rubber cushion, and the first foam-rubber cushion outside sets up the second foam-rubber cushion, and the second foam-rubber cushion one side of keeping away from first foam-rubber cushion links firmly on the picture peg.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. through setting up quick docking mechanism, make expansion joint and pipeline when the butt joint is fixed, with expansion joint and pipeline laminating earlier, in the in-process pipeline of laminating drives the picture peg and inserts and establish the expansion joint, the expansion joint extrudees screens unit when inserting and establishing, make the screens unit insert establish in the picture peg, after pipeline and expansion joint laminating, the screens unit pops out and fixes expansion joint and pipeline this moment, when making expansion joint and pipeline butt joint fixed, the step is more simple convenient, reduce the butt joint fixed time, thereby promote the installation effectiveness.

2. Through setting up complementary unit, make the screens unit when being extruded to insert and establish the picture peg in, assist through the removal of spacing unit to the screens unit, when follow-up screens unit pops out simultaneously, cushion through the buffer unit, make the screens unit more stable when removing, be convenient for protect the screens unit simultaneously.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention,

fig. 3 is a schematic view of a structure in fig. 2 according to the present invention.

In the figure: 1. an expansion joint; 2. a pipeline; 3. inserting plates; 4. clamping a plate; 5. a first spring; 6. a compression plate; 7. a rubber pad; 8. a slider; 9. a limiting rod; 10. a second spring; 11. a limiting block; 12. a ball bearing; 13. a first foam-rubber cushion; 14. a second foam-rubber cushion.

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.

Example (b): as shown in fig. 1-3, the utility model provides a nonmetal expansion joint with acid and alkali resistant structure, including expansion joint 1, pipeline 2 has been laminated to expansion joint 1 both sides, and one side that pipeline 2 is close to expansion joint 1 is provided with quick docking mechanism, quick docking mechanism includes picture peg 3, the screens unit, press the unit, slider 8, gag lever post 9 and second spring 10, and one side that pipeline 2 is close to expansion joint 1 links firmly picture peg 3, the one end that picture peg 3 kept away from pipeline 2 is inserted and is established in expansion joint 1, and the picture peg 3 middle-end sets up the screens unit, the screens unit keeps away from the one side laminating of picture peg 3 and presses the unit, and press the unit both sides and link firmly slider 8, the one end that slider 8 kept away from the pressing unit slides in expansion joint 1, and the inside of slider 8 middle-end is inserted and is established gag lever post 9, gag lever post 9 both ends link firmly on expansion joint 1, and gag lever post 9 outside cover establish second spring 10, the one end that slider 8 was kept away from slider 10 links firmly on expansion joint 1, and the one end that second spring 10 was close to slider 8, and work; expansion joint 1 and pipeline 2 are when the butt joint is fixed, with expansion joint 1 and the laminating of pipeline 2, in the in-process pipeline 2 of laminating drives picture peg 3 and inserts and establish expansion joint 1, insert when establishing expansion joint 1 extrusion screens unit, make the screens unit insert establish in the picture peg 3, after pipeline 2 and the laminating of expansion joint 1, the screens unit is popped out and is fixed expansion joint 1 and pipeline 2 this moment, through setting up quick docking mechanism, when making expansion joint 1 and the fixed of pipeline 2 butt joint, the step is more simple and convenient, reduce the butt joint dead time, thereby promote the installation effectiveness.

Furthermore, an auxiliary mechanism is arranged outside the clamping unit and comprises a limiting unit and a buffer unit, wherein the limiting unit is arranged on two sides of the clamping unit, the buffer unit is arranged outside the limiting unit, and the auxiliary mechanism works; when the screens unit is being extruded and is being inserted and establish in picture peg 3, assist through the removal of spacing unit to the screens unit, when follow-up screens unit pops out simultaneously, cushion through the buffer unit, through setting up complementary unit, make the screens unit more stable when removing, be convenient for protect the screens unit simultaneously.

Furthermore, the clamping unit comprises a clamping plate 4 and a first spring 5, the clamping plate 4 is inserted into the middle end of the plug board 3, one side of the clamping plate 4 inserted into the plug board 3 is fixedly connected with the first spring 5, and one end of the first spring 5 far away from the clamping plate 4 is fixedly connected to the plug board 3, so that the clamping unit works; expansion joint 1 extrusion cardboard 4 makes cardboard 4 insert and establishes 3 internal compression first springs 5 of picture peg, through setting up cardboard 4 and first springs 5, is convenient for fix expansion joint 1 and pipeline 2.

Furthermore, the unit extrusion plate 6 and the rubber pad 7 are pressed, one side of the clamping plate 4, far away from the first spring 5, is attached to the extrusion plate 6, one side of the extrusion plate 6, far away from the clamping plate 4, is fixedly connected with the rubber pad 7, and two sides of the extrusion plate 6 are fixedly connected with the sliding blocks 8, so that the device works; pressing rubber pad 7 makes rubber pad 7 drive stripper plate 6 and promotes cardboard 4, through setting up stripper plate 6 and rubber pad 7, is convenient for release expansion joint 1 with cardboard 4.

Further, the limiting unit comprises a limiting block 11 and balls 12, the two sides of the clamping plate 4 are fixedly connected with the limiting block 11, one end, far away from the clamping plate 4, of the limiting block 11 slides in the expansion joint 1, the balls 12 are inserted into the limiting block 11, and one side, far away from the limiting block 11, of each ball 12 is attached to the inserting plate 3; the second foam-rubber cushion 14 moves to drive the limiting block 11 and the balls 12, so that the balls 12 are attached to the inserting plate 3 to roll under the limiting of the limiting block 11, and the expansion joint 1 is convenient to assist by arranging the limiting block 11 and the balls 12.

Further, the buffer unit comprises a first spongy cushion 13 and a second spongy cushion 14, the two sides of the limit block 11 are fixedly connected with the first spongy cushion 13, the second spongy cushion 14 is arranged on the outer side of the first spongy cushion 13, one side, far away from the first spongy cushion 13, of the second spongy cushion 14 is fixedly connected onto the inserting plate 3, the balls 12 drive the first spongy cushion 13 to impact the second spongy cushion 14 in work, and the balls 12 are convenient to buffer by arranging the first spongy cushion 13 and the second spongy cushion 14.

The working principle is as follows: firstly, when an expansion joint 1 and a pipeline 2 are fixedly butted, the expansion joint 1 is firstly jointed with the pipeline 2, the pipeline 2 drives an inserting plate 3 to be inserted into the expansion joint 1 in the process of being close to the expansion joint 1, the inserting plate 3 is inserted into the expansion joint 1, the expansion joint 1 extrudes a clamping plate 4, the clamping plate 4 is inserted into the inserting plate 3 under the assistance of a limiting block 11 and balls 12 to compress a first spring 5, after the expansion joint 1 is jointed with the pipeline 2, the clamping plate 4 is reversely pushed by the first spring 5 at the moment, the clamping plate 4 is popped and inserted into the expansion joint 1, after the clamping plate 4 is popped out, the limiting block 11 and a first spongy cushion 13 are driven to impact a second spongy cushion 14, the impact force is buffered by the first spongy cushion 13 and the second spongy cushion 14, the butt joint fixing is completed at the moment, when the follow-up disassembly is needed, the rubber pad 7 is pressed, the rubber pad 7 drives the extrusion plate 6 to push a sliding block 8, the sliding block 8 moves downwards at the limit position of the limiting rod 9, meanwhile, the extrusion plate 6 pushes the expansion joint 4 when the expansion joint 1 is pulled, the original extrusion plate 7 is released, and the expansion joint 1 and the original extrusion plate 7 is released, and the pipeline 2 is separated, and the pipeline 1 is released.

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

Claims

1. The utility model provides a nonmetal expansion joint with acid and alkali-resistant structure, includes expansion joint (1), its characterized in that: expansion joint (1) both sides laminating has pipeline (2), and pipeline (2) are close to one side of expansion joint (1) and are provided with quick docking mechanism, quick docking mechanism includes picture peg (3), screens unit, presses down unit, slider (8), gag lever post (9) and second spring (10), and pipeline (2) are close to one side of expansion joint (1) and link firmly picture peg (3), the one end that pipeline (2) were kept away from in picture peg (3) is inserted and is established in expansion joint (1), and picture peg (3) middle-end sets up the screens unit, the screens unit is kept away from one side laminating of picture peg (3) and is pressed the unit, and presses down the unit both sides and link firmly slider (8), slider (8) are kept away from the one end of pressing the unit and are slided in expansion joint (1), and slider (8) middle-end inside inserts and establish gag lever post (9), gag lever post (9) both ends link firmly on expansion joint (1), and gag lever post (9) outside cover establishes second spring (10), the one end of slider (8) is kept away from slider (8) links firmly and is gone up and is close to second spring (8).

2. The acid and alkali resistant non-metallic expansion joint of claim 1, wherein: the screens unit outside sets up complementary unit, and complementary unit includes spacing unit and buffer unit, screens unit both sides set up spacing unit, and the spacing unit outside sets up buffer unit.

3. The acid and alkali resistant non-metallic expansion joint of claim 1, wherein: the screens unit includes cardboard (4) and first spring (5), and inside the inserting of picture peg (3) middle-end establishes cardboard (4), cardboard (4) are inserted and are established one side in picture peg (3) and link firmly first spring (5), and the one end that cardboard (4) were kept away from in first spring (5) links firmly on picture peg (3).

4. The acid and alkali resistant non-metallic expansion joint of claim 1, wherein: the pressing unit is characterized in that the pressing unit is provided with an extrusion plate (6) and a rubber pad (7), one side, far away from the first spring (5), of the clamping plate (4) is attached to the extrusion plate (6), one side, far away from the clamping plate (4), of the extrusion plate (6) is fixedly connected with the rubber pad (7), and two sides of the extrusion plate (6) are fixedly connected with sliding blocks (8).

5. The acid and alkali resistant non-metallic expansion joint according to claim 2, characterized in that: spacing unit includes stopper (11) and ball (12), and cardboard (4) both sides link firmly stopper (11), the one end that cardboard (4) were kept away from in stopper (11) slides in expansion joint (1), and stopper (11) inside inserts and establish ball (12), one side laminating picture peg (3) of stopper (11) are kept away from in ball (12).

6. The acid and alkali resistant non-metallic expansion joint of claim 2, wherein: the buffer unit comprises a first spongy cushion (13) and a second spongy cushion (14), the two sides of the limit block (11) are fixedly connected with the first spongy cushion (13), the second spongy cushion (14) is arranged on the outer side of the first spongy cushion (13), and one side, far away from the first spongy cushion (13), of the second spongy cushion (14) is fixedly connected to the plugboard (3).