CN216279962U

CN216279962U - Corrugated pipe joint with high sealing performance

Info

Publication number: CN216279962U
Application number: CN202122096691.8U
Authority: CN
Inventors: 朴松玲
Original assignee: Hefei Sanyue Semiconductor Technology Co ltd
Current assignee: Hefei Sanyue Semiconductor Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-12
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a corrugated pipe joint with high sealing performance, and relates to the field of corrugated pipe connection. The utility model has the advantages that: adopt the expansion ring structure for the sealing washer takes place elastic expansion and then supports tight connector, thereby reduces the clearance between sealing washer and the connector, great improvement the leakproofness of joint, improvement safety in utilization.

Description

Corrugated pipe joint with high sealing performance

Technical Field

The utility model relates to the field of corrugated pipe connection, in particular to a corrugated pipe joint with high sealing performance.

Background

Bellows types are numerous, and the main application areas of bellows are: the corrugated pipe is used for conveying liquid, solid and gas, can be used as a wire, a cable sheath and a structural material, and has a very wide market in infrastructure engineering such as residential construction, environmental protection and management, agricultural water-saving irrigation, traffic, communication, water conservancy, energy and the like.

The joint is usually needed in the use and installation process of the corrugated pipe, and the sealing gap is easy to exist between the sealing ring and the joint when the traditional corrugated pipe joint is used and installed, so that the leakage of the corrugated pipe at the joint position is easy to occur when the corrugated pipe carries out fluid transportation, and safety accidents are easy to occur, and therefore, the corrugated pipe joint with the simple structure and the high sealing performance is necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the corrugated pipe joint with high sealing performance is provided, and the technical scheme solves the problems that the corrugated pipe provided in the background art usually needs to be connected in the using and installing process, and the traditional corrugated pipe joint is easy to leak at the joint position and easily cause safety accidents when fluid is conveyed due to the fact that a sealing gap is easy to exist between a sealing ring and the connecting head when the traditional corrugated pipe joint is used and installed.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

a corrugated pipe joint with high sealing performance comprises a joint, a snap ring and a sealing nut, wherein the end part of the joint is provided with a threaded connecting part, the left end of the threaded connecting part of the connector is provided with a screwing part, a sealing ring is arranged inside the threaded connecting part, the clamping ring is clamped on the corrugated pipe, the sealing nut is sleeved on the corrugated pipe, the right end of the threaded connecting part is abutted against the left end of the clamping ring, the clamping ring comprises an upper half clamping ring and a lower half clamping ring which are mutually clamped to form the clamping ring, the half clamping ring comprises a main ring, an expansion ring and a forward push ring, the left side and the right side of the main ring are provided with arc grooves, sliding holes are arranged in the arc grooves in a penetrating way, the corresponding positions of the right side of the expansion ring and the sliding holes are fixedly connected with sliding connecting columns, the sliding connecting column is connected inside the sliding hole in a sliding mode and penetrates through the sliding hole to be fixedly connected with the front push ring.

Preferably, half snap ring downside one end fixedly connected with joint post, the joint blind hole has been seted up to half snap ring downside other end, the joint post is interference fit with the joint blind hole, two from top to bottom half snap ring passes through the joint post and the mutual joint of joint blind hole.

Preferably, an expansion groove is formed in one end, close to the clamping ring, of the sealing ring, and the size of the expansion groove is smaller than that of the expansion ring.

Preferably, the inside left side of gland nut is provided with internal thread portion, internal thread portion and threaded connection portion mutually support, inside the gland nut is at internal thread portion right side fixedly connected with spacing ring, the internal diameter of spacing ring is less than the external diameter of snap ring.

Preferably, the sealing ring is made of acrylate rubber.

The connector is one of a straight connector, a bent connector and a three-way connector.

Compared with the prior art, the utility model has the advantages that: add expansion ring structure in the snap ring, push the expansion ring of snap ring front end in the expansion tank in the sealing washer in the joint installation, because the size of expansion ring is greater than the size of expansion tank, make the sealing washer take place the elasticity inflation in expansion tank position department, both sides support tight bellows and connector respectively about the sealing washer that makes, improve the sealed effect of sealing washer, and then improve the security that connects.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is an exploded view of the snap ring of the present invention;

FIG. 3 is an exploded view of a half clasp in accordance with the present invention;

FIG. 4 is a schematic perspective view of a seal ring according to the present invention;

fig. 5 is a schematic perspective view of a gland nut according to the present invention.

The reference numbers in the figures are:

1. a connector; 101. a threaded connection; 102. a screwing part; 2. a seal ring; 201. an expansion tank; 3. a snap ring; 301. a half snap ring; 302. a clamping column; 303. clamping the blind holes; 304. a main ring; 305. an expansion ring; 306. a sliding connection column; 307. a slide hole; 308. a forward push ring; 4. a seal nut; 401. an internal thread portion; 402. a limit ring.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, a corrugated pipe joint with high sealing performance includes a joint head 1, a snap ring 3 and a sealing nut 4, a threaded connection portion 101 is disposed at an end portion of the joint head 1, a screwing portion 102 is disposed at a left end of the threaded connection portion 101 of the joint head 1, a sealing ring 2 is disposed inside the threaded connection portion 101, the snap ring 3 is clamped on the corrugated pipe, the sealing nut 4 is sleeved on the corrugated pipe, a right end of the threaded connection portion 101 is abutted to a left end of the snap ring 3, the snap ring 3 includes an upper half snap ring 301 and a lower half snap ring 301, the two half snap rings 301 are clamped with each other to form the snap ring 3, the half snap ring 301 includes a main ring 304, an expansion ring 305 and a forward push ring 308, arc grooves are disposed at left and right sides of the main ring 304, a sliding hole 307 is formed through the arc grooves, a sliding connection column 306 is fixedly connected at a position corresponding to the sliding hole 307 on a right side of the expansion ring 305, the sliding connection column 306 is slidably connected inside the sliding hole 307, slip spliced pole 306 passes sliding hole 307 and preceding push ring 308 fixed connection, half snap ring 301 downside one end fixedly connected with joint post 302, joint blind hole 303 has been seted up to half snap ring 301 downside other end, joint post 302 is interference fit with joint blind hole 303, two upper and lower half snap rings 301 pass through joint post 302 and joint blind hole 303 mutual joint, add expansion ring 305 structure in snap ring 3, push the expansion ring 305 of snap ring 3 front end in the expansion groove 201 in sealing washer 2 in the joint installation, because the size of expansion ring 305 is greater than the size of expansion groove 201, make sealing washer 2 take place the elastic expansion in expansion groove 201 position department, make sealing washer 2 about both sides support tight bellows and connector 1 respectively, improve sealing effect of sealing washer 2.

Referring to fig. 4, an expansion groove 201 is formed in one end, close to the snap ring 3, of the seal ring 2, the size of the expansion groove 201 is smaller than that of the expansion ring 305, the seal ring 2 is made of acrylate rubber, and the seal ring 2 is made of high-elasticity acrylate rubber, so that the seal ring 2 can be sufficiently elastically deformed under the extrusion of the expansion ring 305, and therefore the seal ring 2 can better abut against the connector 1 and the corrugated pipe, the sealing gap is reduced, and the sealing effect is improved.

Referring to fig. 5, an internal thread portion 401 is disposed on the left side inside the gland nut 4, the internal thread portion 401 is matched with the threaded connection portion 101, a limit ring 402 is fixedly connected to the right side of the internal thread portion 401 inside the gland nut 4, the inner diameter of the limit ring 402 is smaller than the outer diameter of the snap ring 3, when the gland nut 4 is used, the connector 1 is fixedly connected with the connector through threads, and meanwhile, the limit ring 402 abuts against the forward push ring 308 to enable the expansion ring to be stabilized in the expansion groove 201.

The sealing structure provided by the utility model can be suitable for any one of a straight joint, a bent joint and a three-way joint, and has good universality.

The installation process of the utility model is as follows: firstly, sealing nut 4 is sleeved on the corrugated pipe, then, two half clamping rings 301 of the clamping ring 3 are clamped at the wave trough of the proper position of the corrugated pipe, then, a sealing ring 2 is sleeved at the connecting position of the corrugated pipe, then, a threaded connecting part 101 of a connector 1 is sleeved on the sealing ring 2, an expansion ring 305 is pushed into an expansion groove 201 through a front push ring 308, the sealing ring expands to abut against the connector 1, then, sealing nut 4 is screwed into the threaded connecting part 101, and the sealing nut 4 and the connector 1 are screwed up through a wrench to complete installation.

In summary, the utility model has the advantages that: adopt the expansion ring structure for the sealing washer takes place elastic expansion and then supports tight connector, thereby reduces the clearance between sealing washer and the connector, great improvement the leakproofness of joint, improvement safety in utilization.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The corrugated pipe joint with high sealing performance is characterized by comprising a connector (1), a clamping ring (3) and a sealing nut (4), wherein a threaded connection part (101) is arranged at the end part of the connector (1), a screwing part (102) is arranged at the left end of the threaded connection part (101) of the connector (1), a sealing ring (2) is arranged inside the threaded connection part (101), the clamping ring (3) is connected to a corrugated pipe in a clamping manner, the sealing nut (4) is sleeved on the corrugated pipe, the right end of the threaded connection part (101) is abutted to the left end of the clamping ring (3), the clamping ring (3) comprises an upper half clamping ring (301) and a lower half clamping ring (301), the two half clamping rings (301) are mutually clamped to form the clamping ring (3), the half clamping ring (301) comprises a main ring (304), an expansion ring (305) and a forward push ring (308), arc-shaped grooves are formed in the left side and the right side of the main ring (304), a sliding hole (307) is formed in the arc-shaped groove in a penetrating mode, a sliding connecting column (306) is fixedly connected to the position, corresponding to the sliding hole (307), of the right side of the expansion ring (305), the sliding connecting column (306) is connected to the inside of the sliding hole (307) in a sliding mode, and the sliding connecting column (306) penetrates through the sliding hole (307) and is fixedly connected with the forward push ring (308).

2. The corrugated pipe joint with high sealing performance according to claim 1, wherein a clamping column (302) is fixedly connected to one end of the lower side of the half clamping ring (301), a clamping blind hole (303) is formed in the other end of the lower side of the half clamping ring (301), the clamping column (302) and the clamping blind hole (303) are in interference fit, and the upper half clamping ring (301) and the lower half clamping ring (301) are mutually clamped with the clamping blind hole (303) through the clamping column (302).

3. The corrugated pipe joint with high sealing performance according to claim 1, wherein an expansion groove (201) is formed in one end, close to the clamping ring (3), of the sealing ring (2), and the size of the expansion groove (201) is smaller than that of the expansion ring (305).

4. The high-sealing-performance corrugated pipe joint according to claim 1, wherein an internal threaded portion (401) is arranged on the left side inside the gland nut (4), the internal threaded portion (401) is matched with the threaded connection portion (101), a limiting ring (402) is fixedly connected to the right side of the internal threaded portion (401) inside the gland nut (4), and the inner diameter of the limiting ring (402) is smaller than the outer diameter of the snap ring (3).

5. The corrugated pipe joint with high sealing performance according to claim 1, wherein the sealing ring (2) is made of acrylate rubber.

6. A high-sealing corrugated pipe joint according to claim 1, wherein the joint (1) is one of a straight joint, an elbow joint and a tee joint.