CN220792347U - Bellows with extending structure - Google Patents

Abstract

The utility model discloses a corrugated pipe with a telescopic structure, and relates to the technical field of corrugated pipes. The corrugated pipe with the telescopic structure comprises a corrugated pipe body and a telescopic mechanism, wherein a guide pipe is arranged at the top of the corrugated pipe body, a sealing structure is arranged at the top of the guide pipe, and a fixing structure is arranged at the outer side of the guide pipe. This bellows with extending structure seals the junction of pipe and inlet tube through setting up the sealing washer to fix the sealing washer through recess, limiting plate, collar, guide post, spacing groove, joint spring and the cooperation of fixture block, make the sealing washer can not appear shifting the phenomenon at sealed in-process, guarantee the leakproofness of sealing washer, can drive the fixture block removal entering spacing inslot portion of both sides simultaneously through setting up annular chute, mounting panel, reset spring, slider, rotation ring and rope, thereby relieve the fixing to the sealing washer, make the sealing washer change or clear up, easy and simple to handle.

Description

Bellows with extending structure

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a corrugated pipe with a telescopic structure.

Background

The corrugated pipe is a wave-like pipe with a regular shape, is mainly used for connecting pipelines at places where small bending radius, irregular turning and expansion of the pipelines are required or where fixed elbows are inconvenient to install, can be bent, elongated or compressed by a small amount, and can realize axial length change of the corrugated pipe under the actions of pressure, axial force, transverse force, bending moment and the like due to the characteristics of geometric shapes.

The existing corrugated pipe is a hose made of rubber or plastic, the external pressure resistance bearing capacity is limited, a telescopic structure is generally added to enable the corrugated pipe to have better elasticity, for example, the corrugated pipe with the telescopic structure disclosed in Chinese patent publication No. CN213839904U is provided with a spring, the corrugated pipe is enabled to be more easily telescopic, a pipeline is not easy to deform greatly when the corrugated pipe stretches, a screw rod is arranged to enable the corrugated pipe to stretch, the corrugated pipe is fixed, the screw rod can be adjusted at a certain angle through the screw rod structure, the corrugated pipe can be bent, and the use range of the corrugated pipe is increased.

However, the bellows is not provided with a sealing ring to seal the joint, the outside of the conduit is protected only by the bolt fixing sleeve, the bolt is easy to loose in the long-time use process, and the tightness of the joint is influenced only by slight loosening, so that the bellows with the telescopic structure is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a corrugated pipe with a telescopic structure, which solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a bellows with extending structure, includes bellows body and extending mechanism, bellows body top is provided with the pipe, the pipe top is provided with seal structure, the pipe outside is provided with fixed knot and constructs, seal structure includes:

the sealing ring is arranged at the top of the guide pipe, two grooves are respectively formed in the left end and the right end of the bottom surface of the sealing ring, and a limiting plate is fixedly arranged on the surface of the inner wall of one side of the groove, which is close to the center of the sealing ring;

the fixing structure includes:

the mounting ring is fixedly arranged at the top end of the outer side surface of the guide pipe, two guide posts are fixedly arranged at the left end and the right end of the top surface of the mounting ring, a limit groove is formed in one side surface of the guide post, which is close to the center of the sealing ring, and through holes are formed in the left end and the right end of the top surface of the mounting ring;

the clamping spring is fixedly arranged on one side surface, away from the center of the sealing ring, of the inside of the limiting groove, a clamping block is fixedly arranged at one end, close to the center of the sealing ring, of the clamping spring, and a rope is fixedly connected to one end, close to the clamping spring, of the clamping block;

the annular chute, annular chute is offered on collar bottom surface, the inside left and right sides fixed mounting of annular chute has the mounting panel, the side fixed mounting of mounting panel has reset spring, the one end fixed mounting that reset spring kept away from the mounting panel has the slider, the bottom fixed mounting of two sliders has the swivel becket.

Preferably, one end of the rope far away from the clamping block penetrates through the inner wall of the clamping block and the through hole to be fixedly connected with the inner wall of the rotating ring.

Preferably, the sliding block is in sliding connection with the inside of the annular sliding groove.

Preferably, the top surface of the mounting ring is mutually attached to the bottom surface of the sealing ring.

Preferably, the bottom surface of the clamping block and the top surface of the limiting plate are positioned on the same horizontal line.

Preferably, the groove is located directly above the guide post.

(III) beneficial effects

The utility model provides a corrugated pipe with a telescopic structure. The beneficial effects are as follows:

(1) This bellows with extending structure seals the junction of pipe and inlet tube through setting up the sealing washer to fix the sealing washer through recess, limiting plate, collar, guide post, spacing groove, joint spring and the cooperation of fixture block, make the sealing washer can not appear shifting the phenomenon at sealed in-process, guarantee the leakproofness of sealing washer.

(2) This bellows with extending structure through setting up annular spout, mounting panel, reset spring, slider, swivel becket and the cooperation of rope can drive the fixture block of both sides simultaneously and remove into the spacing inslot portion to remove the fixed to the sealing washer, make the sealing washer change or clear up, easy and simple to handle.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model in front cross section;

FIG. 3 is a schematic diagram of the structure of the present utility model at A;

fig. 4 is a schematic bottom view of the mounting ring of the present utility model.

In the figure: 1. a bellows body; 2. a telescoping mechanism; 3. a conduit; 4. a sealing structure; 401. a seal ring; 402. a groove; 403. a limiting plate; 5. a fixed structure; 501. a mounting ring; 502. a guide post; 503. a limit groove; 504. a clamping spring; 505. a clamping block; 506. a rope; 507. a through hole; 508. an annular chute; 509. a mounting plate; 510. a return spring; 511. a slide block; 512. and rotating the ring.

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. 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.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1-4, the present utility model provides a technical solution: a bellows with extending structure, includes bellows body 1 and telescopic machanism 2, and telescopic machanism 2 includes: the telescopic spring, the lead screw nut, fixation nut, fixing bolt, change the handle etc., telescopic spring sets up inside bellows body 1, make bellows body 1 more flexible, and be difficult for making the pipeline produce great deformation when flexible, avoid influencing the inner structure of bellows body 1, rotate the inner structure that changes the handle and drive the carousel and rotate, make bellows body 1 flexible use under the cooperation of lead screw, the application range of bellows body 1 has been increased, telescopic machanism 2 mentioned in the chinese patent of foretell number CN213839904U (a bellows with telescopic machanism) is similar with the telescopic machanism principle that authorizes, the effect of realization is the same, be the current technical means of disclosing in the field, do not repeated here.

The bellows body 1 top is provided with pipe 3, and pipe 3 top is provided with seal structure 4, and the pipe 3 outside is provided with fixed knot and constructs 5, and seal structure 4 includes: sealing washer 401, sealing washer 401 set up at pipe 3 top, set up sealing washer 401 reinforcing pipe 3 and inlet tube junction's leakproofness, two recess 402 have been seted up respectively at both ends about the bottom surface of sealing washer 401, and the inner wall surface fixed mounting of recess 402 near sealing washer 401 center department one side has limiting plate 403, and fixed knot constructs 5 and includes: the installation ring 501, joint spring 504 and annular spout 508, installation ring 501 fixed mounting are on pipe 3 outside surface top, and the top surface of installation ring 501 and the bottom surface of sealing washer 401 laminating each other, and both ends fixed mounting have two guide posts 502 about the top surface of installation ring 501.

The guide post 502 is arranged to guide the sealing ring 401, the sealing effect is prevented from being influenced due to dislocation when the sealing ring 401 is installed, the groove 402 is located right above the guide post 502, the limiting groove 503 is formed in the surface of one side of the guide post 502, which is close to the center of the sealing ring 401, the through holes 507 are formed in the left and right ends of the top surface of the mounting ring 501, the clamping springs 504 are fixedly installed on the surface of one side of the limiting groove 503, which is far away from the center of the sealing ring 401, the clamping blocks 505 are fixedly installed at one end of the clamping springs 504, which is close to the center of the sealing ring 401, the rotating ring 512 pulls the clamping blocks 505 through the ropes 506 to enter the limiting groove 503, when the sealing ring 401 is installed at the top of the mounting ring 501, the guide post 502 enters the groove 402, the rotating ring 512 is loosened at the moment, the clamping blocks 505 are popped up under the action of the clamping springs 504, and enter the inside the groove 402 to be attached to the limiting plate 403, and the sealing ring 401 is limited and fixed, so that the sealing ring 401 cannot shift in the sealing process.

The bottom surface of fixture block 505 and the top surface of limiting plate 403 are located same horizontal line, the one end fixedly connected with rope 506 that fixture block 505 is close to joint spring 504, annular spout 508 is seted up at collar 501 bottom surface, the inside left and right sides fixed mounting of annular spout 508 has mounting panel 509, the side fixed mounting of mounting panel 509 has reset spring 510, the one end fixed mounting that reset spring 510 kept away from mounting panel 509 has slider 511, slider 511 can not take place the displacement under reset spring 510's spacing during initial state, slider 511 and the inside sliding connection of annular spout 508.

The bottom fixed mounting of two sliders 511 has the swivel becket 512, and rope 506 is kept away from fixture block 505 one end and runs through fixture block 505 inner wall and through-hole 507 and the inner wall fixed connection of swivel becket 512, and swivel becket 512 can pull rope 506 and tensile reset spring 510 simultaneously, and after loosening swivel becket 512, swivel becket 512 can reverse the reset under the elasticity effect of swivel becket 512, and rope 506 can pull fixture block 505 and get into fixture block 505 and release the spacing fixed to sealing washer 401 when being pulled.

Working principle: this bellows with extending structure when using, rotate the swivel becket 512 and pass through rope 506 pulling fixture block 505 and get into inside spacing groove 503, install sealing washer 401 in pipe 3 top, guide post 502 can get into inside the recess 402 and carry out the guide effect to sealing washer 401, loosen swivel becket 512 this moment, fixture block 505 can pop out under the effect of joint spring 504, get into inside recess 402, laminate with limiting plate 403, carry out spacing fixed to sealing washer 401, make sealing washer 401 can not take place the aversion at sealed in-process, guarantee the leakproofness of sealing washer 401, when needs change or clear up sealing washer 401, rotate swivel becket 512 and pull fixture block 505 and get into inside spacing groove 503 and can take off sealing washer 401, and is easy and simple to handle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. Bellows with extending structure, including bellows body (1) and telescopic machanism (2), bellows body (1) top is provided with pipe (3), its characterized in that: the utility model discloses a catheter, including pipe (3), pipe (3) top is provided with seal structure (4), pipe (3) outside is provided with fixed knot constructs (5), seal structure (4) include:

the sealing device comprises a sealing ring (401), wherein the sealing ring (401) is arranged at the top of a guide pipe (3), two grooves (402) are respectively formed in the left end and the right end of the bottom surface of the sealing ring (401), and a limiting plate (403) is fixedly arranged on the surface of the inner wall of one side, close to the center of the sealing ring (401), of the groove (402);

the fixing structure (5) comprises:

the mounting ring (501), the mounting ring (501) is fixedly arranged at the top end of the outer side surface of the guide pipe (3), two guide posts (502) are fixedly arranged at the left end and the right end of the top surface of the mounting ring (501), a limit groove (503) is formed in one side surface of the guide posts (502) close to the center of the sealing ring (401), and through holes (507) are formed in the left end and the right end of the top surface of the mounting ring (501);

the clamping spring (504), the clamping spring (504) is fixedly arranged on one side surface, away from the center of the sealing ring (401), inside the limiting groove (503), a clamping block (505) is fixedly arranged at one end, close to the center of the sealing ring (401), of the clamping spring (504), and a rope (506) is fixedly connected with one end, close to the clamping spring (504), of the clamping block (505);

annular spout (508), annular spout (508) are seted up on collar (501) bottom surface, inside left and right sides fixed mounting of annular spout (508) has mounting panel (509), the side fixed mounting of mounting panel (509) has reset spring (510), the one end fixed mounting that reset spring (510) kept away from mounting panel (509) has slider (511), the bottom fixed mounting of two sliders (511) has swivel becket (512).

2. A bellows with telescopic structure according to claim 1, wherein: one end of the rope (506) far away from the clamping block (505) penetrates through the inner wall of the clamping block (505) and the through hole (507) to be fixedly connected with the inner wall of the rotating ring (512).

3. A bellows with telescopic structure according to claim 1, wherein: the sliding block (511) is in sliding connection with the inside of the annular sliding groove (508).

4. A bellows with telescopic structure according to claim 1, wherein: the top surface of the mounting ring (501) is mutually attached to the bottom surface of the sealing ring (401).

5. A bellows with telescopic structure according to claim 1, wherein: the bottom surface of the clamping block (505) and the top surface of the limiting plate (403) are positioned on the same horizontal line.

6. A bellows with telescopic structure according to claim 1, wherein: the groove (402) is located directly above the guide post (502).