CN216344556U

CN216344556U - Quick connecting joint for corrugated pipe

Info

Publication number: CN216344556U
Application number: CN202122401106.0U
Authority: CN
Inventors: 谈会德; 韩洋
Original assignee: Hengshui Sitong Engineering Rubber And Plastic Co ltd
Current assignee: Hengshui Sitong Engineering Rubber And Plastic Co ltd
Priority date: 2021-10-03
Filing date: 2021-10-03
Publication date: 2022-04-19
Anticipated expiration: 2031-10-03

Abstract

The utility model discloses a quick connecting joint of a corrugated pipe, which relates to the field of corrugated pipe splicing and comprises the following components: a locking mechanism; the fixing mechanism is in threaded connection with the left end and the right end of the locking mechanism and comprises a fixing pipe, a thread line is arranged on the surface of one side, close to the locking mechanism, of the fixing pipe, a second rubber ring is fixedly connected to one end, far away from the locking mechanism, of the fixing pipe, an outward convex rubber ring is fixedly connected to one end, close to the locking mechanism, of the fixing pipe on the left side, and an inward concave rubber ring is fixedly connected to one end, close to the locking mechanism, of the fixing pipe on the right side; the anti-slip assembly is arranged on the upper side and the lower side of one end, far away from the locking mechanism, of the fixing mechanism and comprises a supporting block, the top of the left end of the supporting block is in threaded connection with a screw rod, and the bottom of the screw rod is rotatably connected with a connecting block. The anti-slip assembly, the fixing mechanism and the locking mechanism are arranged, so that the corrugated pipe can be conveniently connected.

Description

Quick connecting joint for corrugated pipe

Technical Field

The utility model relates to the field of corrugated pipe splicing, in particular to a corrugated pipe quick connecting joint.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipe made of other materials such as plastics has irreplaceable effects in the fields of medium conveying, electric power threading, machine tools, household appliances and the like. For example, bellows are widely used in instruments and meters, and are mainly used as measuring elements of pressure measuring instruments to convert pressure into displacement or force. The corrugated pipe has thin pipe wall and high sensitivity, and the measurement range is from tens of Pa to tens of MPa. Its open end is fixed, its sealed end is in free state, and its elasticity is increased by using auxiliary helical spring or reed.

During the in-service use bellows, often need splice the bellows, the key of concatenation bellows is simple convenient and the leakproofness is good, but current bellows connecting device uses more troublesome to the leakproofness of bellows link can not be guaranteed, the use of bellows can be influenced. In order to solve the above problems, it is necessary to provide a quick connection joint for corrugated pipes.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme provides the quick connecting joint for the corrugated pipe, and solves the problems that the existing corrugated pipe connecting device proposed in the background technology is troublesome to use and cannot ensure the sealing performance of the corrugated pipe connecting end.

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

a quick connect coupling for corrugated tubing, comprising:

a locking mechanism;

the fixing mechanism is in threaded connection with the left end and the right end of the locking mechanism and comprises a fixing pipe, a thread line is arranged on the surface of one side, close to the locking mechanism, of the fixing pipe, a second rubber ring is fixedly connected to one end, far away from the locking mechanism, of the fixing pipe, an outward convex rubber ring is fixedly connected to one end, close to the locking mechanism, of the fixing pipe on the left side, and an inward concave rubber ring is fixedly connected to one end, close to the locking mechanism, of the fixing pipe on the right side;

the anti-slip assembly is arranged on the upper side and the lower side of one end, far away from the locking mechanism, of the fixing mechanism and comprises a supporting block, the top of the left end of the supporting block is in threaded connection with a screw rod, the bottom of the screw rod is rotatably connected with a connecting block, and the bottom of the connecting block is fixedly connected with an arc plate.

Preferably, the position close to the right of the top of the arc-shaped plate is fixedly connected with a positioning rod, and the positioning rod is connected to the middle of the supporting block in a sliding mode.

Preferably, the locking mechanism comprises a locking pipe, the left half part inside the locking pipe is separately provided with built-in threads, the right half part inside the locking pipe is separately provided with built-in threads, and the built-in threads on the left side are opposite to the built-in threads on the right side.

Preferably, the left end and the right end of the locking mechanism are both fixedly connected with a first rubber ring.

Preferably, the convex rubber ring and the concave rubber ring are in interference fit.

Preferably, the diameter of the inner ring of the second rubber ring is smaller than that of the inner wall of the fixed pipe.

Preferably, the diameter of the inner ring of the first rubber ring is slightly smaller than that of the outer wall of the fixed pipe.

Compared with the prior art, the utility model provides a quick connecting joint for corrugated pipes, which has the following beneficial effects:

1. the anti-slip device has the advantages that the anti-slip assembly, the fixing mechanism and the locking mechanism are arranged, so that the end part of the corrugated pipe to be connected can be placed into the fixing mechanism, the anti-slip assembly fixes the corrugated pipe, at the moment, the locking mechanism is rotated, the fixing mechanisms on the two sides are spliced together and fixed, the device is very convenient to use, the operation is very simple, a worker can use the device to improve the working efficiency, the structure is very firm, and the corrugated pipe is difficult to slip after being fixed;

2. through setting up evagination rubber ring and indent rubber ring, evagination rubber ring and indent rubber ring all with the tip in close contact with of the bellows that corresponds, consequently closely laminate each other between evagination rubber ring and the indent rubber ring, can guarantee that the junction of bellows is seamless to the leakproofness of bellows link has been guaranteed, the normal use of bellows has not provided the assurance.

Drawings

FIG. 1 is a schematic view of the overall split structure of the present invention;

FIG. 2 is a schematic view of the structure of the stationary tube of the present invention;

FIG. 3 is a schematic view of a latch tube configuration of the present invention;

fig. 4 is a schematic structural diagram of the fixing assembly of the present invention.

The reference numbers in the figures are:

100. a locking mechanism; 101. a first rubber ring; 102. internally arranging a thread; 103. a locking tube;

200. a fixing mechanism; 201. a convex rubber ring; 202. an inwardly concave rubber ring; 203. a second rubber ring; 204. a thread; 205. a fixed tube;

300. an anti-slip assembly; 301. connecting blocks; 302. a screw; 303. positioning a rod; 304. a support block; 305. an arc-shaped plate.

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. 1-4, the present invention provides a technical solution: a quick connect coupling for corrugated tubing, comprising:

a locking mechanism 100;

the fixing mechanism 200 is in threaded connection with the left end and the right end of the locking mechanism 100, the fixing mechanism 200 comprises a fixing pipe 205, a thread line 204 is arranged on the surface of one side, close to the locking mechanism 100, of the fixing pipe 205, a second rubber ring 203 is fixedly connected to one end, far away from the locking mechanism 100, of the fixing pipe 205, a convex rubber ring 201 is fixedly connected to one end, close to the locking mechanism 100, of the fixing pipe 205 on the left side, and a concave rubber ring 202 is fixedly connected to one end, close to the locking mechanism 100, of the fixing pipe 205 on the right side;

referring to fig. 1, 2 and 3, when the corrugated pipes are connected, the corrugated pipes are inserted into the fixing pipe 205, so that the end portions of the corresponding corrugated pipes are respectively abutted against the inner sides of the outer convex rubber ring 201 and the inner concave rubber ring 202, the two fixing mechanisms 200 are respectively placed at the left end and the right end of the locking mechanism 100, because the built-in threads 102 in the locking mechanism 100 are divided into a left part and a right part which are opposite to each other, when the locking mechanism 100 is rotated, the two fixing mechanisms 200 move in the same direction until the two fixing mechanisms 200 are contacted, at this time, the outer convex rubber ring 201 and the inner concave rubber ring 202 are tightly attached to each other, and the sealing performance of the corrugated pipe connection is ensured;

the anti-slip assembly 300 is arranged on the upper side and the lower side of one end, far away from the locking mechanism 100, of the fixing mechanism 200, the anti-slip assembly 300 comprises a supporting block 304, the top of the left end of the supporting block 304 is in threaded connection with a screw 302, the bottom of the screw 302 is rotatably connected with a connecting block 301, and the bottom of the connecting block 301 is fixedly connected with an arc-shaped plate 305;

referring to fig. 2 and 4, in use, when the screw 302 is screwed, the screw 302 descends at the supporting block 304, so that the arc-shaped plate 305 descends along the direction of the positioning rod 303, and the corrugated pipe is clamped and fixed, and is prevented from slipping off and breaking the connection of the corrugated pipe.

Specifically, the position close to the right of the top of the arc-shaped plate 305 is fixedly connected with a positioning rod 303, and the positioning rod 303 is slidably connected to the middle of the supporting block 304.

The locking mechanism 100 comprises a locking pipe 103, wherein the left half part inside the locking pipe 103 is separately provided with an internal thread 102, the right half part inside the locking pipe 103 is separately provided with an internal thread 102, and the internal thread 102 on the left side is opposite to the internal thread 102 on the right side.

The left end and the right end of the locking mechanism 100 are fixedly connected with a first rubber ring 101.

The convex rubber ring 201 and the concave rubber ring 202 are in interference fit.

The inner ring diameter of the second rubber ring 203 is smaller than the inner wall diameter of the fixed pipe 205.

The diameter of the inner ring of the first rubber ring 101 is slightly smaller than that of the outer wall of the fixing pipe 205, so that the first rubber ring 101 can be tightly attached to the outer wall of the fixing pipe 205, and the sealing performance of the device is guaranteed.

The working principle and the using process of the utility model are as follows: by arranging the anti-slip assembly 300, the fixing mechanism 200 and the locking mechanism 100, the end part of the corrugated pipe to be connected can be placed into the fixing mechanism 200, the anti-slip assembly 300 fixes the corrugated pipe, at the moment, the locking mechanism 100 is rotated, so that the fixing mechanisms 200 on the two sides are spliced together and fixed, the device is very convenient and fast to use and simple to operate, a worker can use the device to improve the working efficiency, the structure is very firm, and the corrugated pipe is difficult to slip after being fixed; through setting up evagination rubber ring 201 and indent rubber ring 202, evagination rubber ring 201 and indent rubber ring 202 all with the tip in close contact with of the bellows that corresponds, consequently closely laminate each other between evagination rubber ring 201 and the indent rubber ring 202, can guarantee that the junction of bellows is seamless to guaranteed the leakproofness of bellows link, the normal use of bellows has not provided the assurance.

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. A quick connect coupling for corrugated tubing, comprising:

a locking mechanism (100);

the fixing mechanism (200) is in threaded connection with the left end and the right end of the locking mechanism (100), the fixing mechanism (200) comprises a fixing pipe (205), a thread line (204) is arranged on the surface of one side, close to the locking mechanism (100), of the fixing pipe (205), one end, far away from the locking mechanism (100), of the fixing pipe (205) is fixedly connected with a second rubber ring (203), one end, close to the locking mechanism (100), of the fixing pipe (205) on the left side is fixedly connected with a convex rubber ring (201), and one end, close to the locking mechanism (100), of the fixing pipe (205) on the right side is fixedly connected with a concave rubber ring (202);

subassembly (300) are fallen in antiskid, and subassembly (300) set up the upper and lower both sides of keeping away from the one end of locking mechanism (100) in fixed establishment (200) that fall in antiskid, subassembly (300) are fallen including supporting shoe (304), and supporting shoe (304) left end top threaded connection has screw rod (302), and screw rod (302) bottom is rotated and is connected with connecting block (301), and connecting block (301) bottom fixedly connected with arc (305).

2. A bellows quick connect coupling according to claim 1, wherein: the position that the top of arc (305) is close to the right fixedly connected with locating lever (303), and locating lever (303) sliding connection is in the position in the middle of supporting shoe (304).

3. A bellows quick connect coupling according to claim 1, wherein: the locking mechanism (100) comprises a locking pipe (103), the left half part inside the locking pipe (103) is separately provided with built-in threads (102), the right half part inside the locking pipe (103) is separately provided with built-in threads (102), and the built-in threads (102) on the left side are opposite to the built-in threads (102) on the right side.

4. A bellows quick connect coupling according to claim 1, wherein: the left end and the right end of the locking mechanism (100) are fixedly connected with first rubber rings (101).

5. A bellows quick connect coupling according to claim 1, wherein: the convex rubber ring (201) is in interference fit with the concave rubber ring (202).

6. A bellows quick connect coupling according to claim 1, wherein: the diameter of the inner ring of the second rubber ring (203) is smaller than that of the inner wall of the fixed pipe (205).

7. A bellows quick connect coupling according to claim 4, wherein: the diameter of the inner ring of the first rubber ring (101) is smaller than that of the outer wall of the fixed pipe (205).