CN218208302U

CN218208302U - Bellows and sealed anti-disengaging structure

Info

Publication number: CN218208302U
Application number: CN202222480042.2U
Authority: CN
Inventors: 龙淑萍
Original assignee: Jiangxi Longsu Pipe Industry Co ltd
Current assignee: Jiangxi Longsu Pipe Industry Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-03
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to a bellows field specifically is a bellows and sealed anti-disengaging structure. It comprises a corrugated pipe and a rubber ring; the corrugated pipe is of a rotary structure and comprises a socket part, a pipe body part and a socket part which are sequentially connected, the outer diameter of the socket part is smaller than the inner diameter of the socket part, a plurality of anti-falling teeth are axially distributed in parallel on the periphery of the socket part, the anti-falling teeth protrude outwards and gradually incline towards the direction of the pipe body part, a tooth socket for clamping the anti-falling teeth is arranged on the periphery of the pipe body part, and the shape of the tooth socket is matched with that of the outer end of the anti-falling teeth; the rubber ring is coaxially sleeved on the outer peripheral surface of the socket part and is in sealing connection with the inner peripheral surface of the bearing part. The utility model discloses thereby can improve the bellows and connect firm nature and guarantee the accuracy and the rubber ring sealing connection effect of bellows connection back length.

Description

Bellows and sealed anti-disengaging structure

Technical Field

The utility model relates to a bellows field especially relates to a bellows and sealed anti-disengaging structure.

Background

The corrugated pipe belongs to a common pipeline, mainly undertakes the drainage tasks of rainwater, sewage, farmland irrigation and drainage and the like, and is particularly used for longitudinal and transverse drainage and water permeation of an expressway; drainage of golf courses, parks, sports grounds, and the like; the back of various retaining walls and side ditches of the expressway are vertically and horizontally drained; water supply and drainage of municipal works, sewage plants, water purification plants, garbage dumps and the like; draining water from underground tunnels and tunnels; underground drainage of land preparation works, etc.

The length of a single corrugated pipe is fixed, and when the length of a total pipeline required to be used under a certain scene exceeds the length of the single corrugated pipe, a plurality of corrugated pipes are connected to obtain the pipeline reaching the total length. The two corrugated pipes can be connected by a socket-and-spigot method, at present, the spigot end of one corrugated pipe is inserted into the socket end of the other corrugated pipe, and the rubber ring plays a role in sealing between the outer peripheral surface of the spigot end and the inner peripheral surface of the socket end. However, after the two corrugated pipes are connected in the socket-and-spigot manner, when the corrugated pipes are subjected to external force, for example, when the corrugated pipes are buried underground and subjected to external force of soil, the two corrugated pipes may slide relatively, the accuracy of the overall length of the connected corrugated pipes cannot be guaranteed, and the sealing effect is not easily maintained by the rubber ring.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, thereby provides one kind and can improve bellows and seal anti-disengaging structure of the accuracy and the rubber ring sealing connection effect of bellows connection back length of bellows connection firm nature assurance.

The technical scheme of the utility model is that a corrugated pipe and sealing anti-drop structure, which comprises a corrugated pipe and a rubber ring;

the corrugated pipe is of a rotary structure and comprises a socket part, a pipe body part and a socket part which are sequentially connected, the outer diameter of the socket part is smaller than the inner diameter of the socket part, a plurality of anti-falling teeth are axially distributed in parallel on the periphery of the socket part, the anti-falling teeth protrude outwards and gradually incline towards the direction of the pipe body part, a tooth socket for clamping the anti-falling teeth is arranged on the periphery of the pipe body part, and the shape of the tooth socket is matched with that of the outer end of the anti-falling teeth;

the rubber ring is coaxially sleeved on the outer peripheral surface of the socket part and is in sealing connection with the inner peripheral surface of the socket part.

Preferably, the thickness of the retaining teeth is gradually reduced along the outward protruding direction of the retaining teeth.

Preferably, socket portion periphery has two spacing bosss that distribute side by side along the axial, forms the draw-in groove that supplies the rubber ring card to go into between socket portion outer peripheral face and two spacing bosss.

Preferably, the pipe body part comprises a plurality of wave crest parts and a plurality of wave trough parts, the wave crest parts and the wave trough parts are alternately distributed and sequentially connected, and the outer ends of the wave crest parts are provided with convex crest parts which protrude outwards.

Preferably, the outer peripheral surface of the socket part is coaxially provided with annular reinforcing ribs, and a plurality of the reinforcing ribs are distributed side by side along the axial direction.

Preferably, the outer peripheral surface of the socket part is provided with a plurality of reinforcing ribs along the radial direction, the reinforcing ribs are uniformly distributed around the central axis of the socket part, and the plurality of reinforcing ribs form a net-shaped reinforcing structure.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model discloses thereby can improve the firm nature after a plurality of bellows are connected and guarantee the accuracy and the rubber ring sealing connection effect of bellows connection back length. When two corrugated pipes are connected, the rubber ring is sleeved on the outer peripheral surface of the socket part of one corrugated pipe, then the socket part of the corrugated pipe is inserted into the socket part of the other corrugated pipe until the anti-falling teeth on the socket part are clamped into the tooth grooves, the outer end of the socket part is abutted to the inner wall of the socket part, and the outer end of the socket part is abutted to the pipe body part.

Drawings

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

FIG. 2 is a sectional view of the embodiment of the present invention in a connected configuration;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

Reference numerals: 1. a bellows; 11. a socket portion; 111. preventing the teeth from falling off; 112. a limiting boss; 12. a body portion; 121. a crest portion; 1211. a convex peak portion; 13. a socket portion; 131. a tooth socket; 132. reinforcing ribs; 2. and (4) a rubber ring.

Detailed Description

Example one

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the bellows and the sealing and anti-dropping structure according to the present embodiment includes a bellows 1 and a rubber ring 2. The corrugated pipe 1 is a rotary structure, the corrugated pipe 1 comprises a socket part 11, a pipe body part 12 and a socket part 13 which are sequentially connected, the outer diameter of the socket part 11 is smaller than the inner diameter of the socket part 13, a plurality of anti-falling teeth 111 which are distributed side by side along the axial direction are arranged on the periphery of the socket part 11, the anti-falling teeth 111 protrude outwards and incline towards the direction of the pipe body part 12 gradually, a tooth socket 131 for the anti-falling teeth 111 to be clamped in is arranged on the periphery of the pipe body part 12, and the shape of the tooth socket 131 is matched with the outer end of the anti-falling teeth 111. The rubber ring 2 is coaxially sleeved on the outer peripheral surface of the socket part 11, and the rubber ring 2 is hermetically connected with the inner peripheral surface of the socket part 13.

The embodiment can improve the firmness of the connected corrugated pipes 1, thereby ensuring the length accuracy of the connected corrugated pipes 1 and the sealing connection effect of the rubber ring 2. When two corrugated pipes 1 are connected, firstly, the rubber ring 2 is sleeved on the outer peripheral surface of the socket part 11 of one corrugated pipe 1, then the socket part 11 of the corrugated pipe 1 is inserted into the socket part 13 of the other corrugated pipe 1 until the anti-falling teeth 111 on the socket part 11 are clamped into the tooth grooves 131, the outer end of the socket part 11 abuts against the inner wall of the socket part 13, and the outer end of the socket part 13 abuts against the pipe body part 12, at this time, the two corrugated pipes 1 are firmly connected, the anti-falling effect is achieved through the inclined anti-falling teeth 111 and the tooth grooves 131, and the outer peripheral surface of the rubber ring 2 is in sealing connection with the inner peripheral surface of the socket part 13, so that the two corrugated pipes 1 are in sealing connection.

Example two

As shown in fig. 3, in the present embodiment, compared to the first embodiment, in the present embodiment, the thickness of the retaining tooth 111 is gradually reduced along the outward protruding direction of the retaining tooth 111, so that the retaining tooth 111 is smoothly deformed during being inserted into the inner side of the socket portion 13 and is finally snapped into the tooth groove 131.

EXAMPLE III

As shown in fig. 3, compared with the first embodiment, in the first embodiment, the outer periphery of the socket portion 11 has two limiting bosses 112 distributed side by side along the axial direction, a clamping groove for clamping the rubber ring 2 is formed between the outer peripheral surface of the socket portion 11 and the two limiting bosses 112, when the rubber ring 2 is installed, the clamping groove plays a role in positioning, so that the installation is convenient, and after the rubber ring 2 is installed, when the rubber ring 2 is inserted into the inner side of the socket portion 13, the position can be stably maintained, and the sealing effect is ensured.

Example four

As shown in fig. 4, in the corrugated tube and the sealing and anti-dropping structure of the present embodiment, compared with the first embodiment, in the present embodiment, the tube body 12 includes a plurality of wave crest portions 121 and a plurality of wave trough portions, the plurality of wave crest portions 121 and the plurality of wave trough portions are alternately distributed and sequentially connected, and the outer end of the wave crest portion 121 has a convex crest portion 1211, so as to form a wave-stacked structure, expand the pressure-bearing range of the wave crest region, and improve the pressure-resisting capability of the corrugated tube.

EXAMPLE five

As shown in fig. 3, compared with the first embodiment, in the corrugated pipe and the sealing and anti-dropping structure proposed in the present embodiment, an annular rib 132 is coaxially disposed on the outer peripheral surface of the socket portion 13, and a plurality of ribs 132 are distributed side by side along the axial direction, so as to improve the structural strength and the deformation resistance of the socket portion 13. Reinforcing ribs are arranged on the outer peripheral surface of the socket part 13 along the radial direction, the reinforcing ribs are uniformly distributed around the central shaft of the socket part 13, and the reinforcing ribs 132 form a net-shaped reinforcing structure, so that the structural strength of the socket part 13 is further improved, and the firmness and the sealing effect of the two corrugated pipes 1 after connection are ensured.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The utility model provides a bellows and sealed anti-disengaging structure which characterized in that includes:

the corrugated pipe (1) is of a rotary structure and comprises a socket part (11), a pipe body part (12) and a socket part (13) which are sequentially connected, wherein the outer diameter of the socket part (11) is smaller than the inner diameter of the socket part (13), a plurality of anti-falling teeth (111) which are distributed side by side along the axial direction are arranged on the periphery of the socket part (11), the anti-falling teeth (111) protrude outwards and gradually incline towards the direction of the pipe body part (12), a tooth groove (131) for clamping the anti-falling teeth (111) is arranged on the periphery of the pipe body part (12), and the shape of the tooth groove (131) is matched with that of the outer end of the anti-falling teeth (111);

and the rubber ring (2) is coaxially sleeved on the outer peripheral surface of the socket part (11) and is in sealing connection with the inner peripheral surface of the socket part (13).

2. The bellows and the sealing and retaining structure according to claim 1, wherein the thickness of the retaining teeth (111) is gradually reduced along the outward protruding direction of the retaining teeth (111).

3. The corrugated pipe and sealing anti-dropping structure as claimed in claim 1, wherein the outer periphery of the socket portion (11) is provided with two limit bosses (112) which are distributed side by side along the axial direction, and a clamping groove for clamping the rubber ring (2) is formed between the outer periphery of the socket portion (11) and the two limit bosses (112).

4. The bellows and the sealing and anti-dropping structure as claimed in claim 1, wherein the body portion (12) comprises a plurality of crest portions (121) and a plurality of trough portions, the crest portions (121) and the trough portions are alternately arranged and sequentially connected, and the outer end of the crest portion (121) has a convex crest portion (1211).

5. The bellows and the sealing and retaining structure as claimed in claim 1, wherein the socket portion (13) is coaxially provided with a plurality of annular ribs (132) on the outer peripheral surface thereof, and the plurality of ribs (132) are axially arranged in parallel.

6. The corrugated pipe and sealing and disconnecting preventing structure as claimed in claim 5, wherein the outer peripheral surface of the socket portion (13) is provided with a plurality of reinforcing ribs along a radial direction, the plurality of reinforcing ribs are uniformly distributed around the central axis of the socket portion (13), and the plurality of reinforcing ribs (132) form a net-shaped reinforcing structure.