CN217977945U

CN217977945U - Quick sealing joint for pipe pressure test

Info

Publication number: CN217977945U
Application number: CN202221681261.0U
Authority: CN
Inventors: 王建文; 吴云峰; 张华�
Original assignee: Hubei Wan Testing Equipment Co ltd
Current assignee: Hubei Wan Testing Equipment Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-06
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a tubular product pressure test is with quick sealing joint, including the suit at the outside anchor clamps body of tubular product, rotatory piece, the mounting hole that communicates with tubular product is seted up to the specific one end of anchor clamps, the inside cover of the specific other end of anchor clamps is equipped with the fixed block, fixed block and the specific other end fixed connection of anchor clamps, fixed block and rotatory piece axial fixity, be provided with the clamping ring between fixed block and the rotatory piece, clamping ring and fixed block radial fixation, the inner wall of clamping ring and the outer wall threaded connection of rotatory piece, the specific inside of anchor clamps still overlaps and is equipped with sealing component, the flexible snap ring, sealing component is close to the mounting hole setting, the flexible snap ring is close to the clamping ring setting. This sealing joint need not specialized tool, only can accomplish installation and dismantlement through rotating rotatory piece, easy operation, dismouting are efficient.

Description

Quick sealing joint for pipe pressure test

Technical Field

The utility model belongs to the technical field of pipeline engineering, concretely relates to tubular product pressure test is with quick sealing joint, quick assembly disassembly when being applicable to pressure test.

Background

In modern industrial production and urbanization, underground water, oil and gas delivery, communication, power supply and other pipeline facilities are widely distributed, and are often called as the main arteries of modern industry and urban life, and are also called as lifeline engineering. Once these pipelines are damaged and destroyed, in addition to direct damage caused by self-destruction, serious secondary disasters such as water break, flooding, power failure and the like are caused, so that the pressure test is required to be carried out on the plastic pipes during material quality testing. In order to improve the sealing performance of the joints of the plastic pipes, the pressurizing device and the sealing plugs, sealing joints are generally adopted for sealing connection, but the existing sealing joints on the market are complex in structure, complex to assemble and disassemble and low in efficiency, and special tools are required for auxiliary operation, so that the time is long.

Disclosure of Invention

The utility model aims at overcoming the problem that exists among the prior art, provide a tubular product pressure test that can quick assembly disassembly connects with quick seal.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides a tubular product pressure test is with quick sealing joint, sealing joint includes that the suit is at the outside anchor clamps body of tubular product, rotatory piece, presss from both sides specific one end and offers the mounting hole with the tubular product intercommunication, presss from both sides the inside fixed cover of specific other end and is equipped with the fixed block, fixed block and rotatory piece axial fixity are provided with the clamping ring between fixed block and the rotatory piece, clamping ring and fixed block radial fixation, the inner wall of clamping ring and the outer wall threaded connection of rotatory piece, it is equipped with seal assembly, flexible snap ring still to overlap in the specific inside of clamp, seal assembly is close to the mounting hole setting, the flexible snap ring is close to the clamping ring setting.

The inside of the fixture body is further sleeved with a limiting block, the limiting block is located between the sealing assembly and the deformable clamping ring, and an inclined plane capable of being in contact with the deformable clamping ring is arranged on the inner wall of the limiting block.

The deformable clamping ring comprises a clamping ring and a plurality of clamping teeth uniformly arranged around the inner periphery of the clamping ring, the inner periphery of the clamping ring is fixedly connected with one end of each clamping tooth, one side face of the clamping ring is attached to one end face of the limiting block, and one side face of each clamping tooth can be in contact with the inclined plane.

And an annular bulge is arranged on the inner side wall of one end of the fixed block and matched with an annular groove arranged on the outer side wall of the middle part of the rotating block.

The slide way is arranged on the inner side wall from the middle part of the fixed block to the other end of the fixed block, and the slide way is matched with the slide block arranged on the outer side wall of the pressure ring.

The mounting hole is in threaded connection with a sealing plug or a pressurizing device adapter arranged on the end face of the pipe.

The sealing assembly comprises a V-shaped sealing ring and an O-shaped sealing ring.

The lateral wall of fixed block passes through threaded connection with the specific other end inside wall of anchor clamps, and the fixed block passes through the screw and can dismantle fixedly with rotatory piece.

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

1. the utility model relates to a tubular product pressure test is with quick sealing joint, including the anchor clamps body of suit outside tubular product, rotatory piece, the mounting hole that communicates with tubular product is seted up to anchor clamps body one end, the inside fixed cover of anchor clamps body other end is equipped with the fixed block, fixed block and rotatory piece axial fixity, be provided with the clamping ring between fixed block and the rotatory piece, clamping ring and fixed block radial fixation, the inner wall of clamping ring and the outer wall threaded connection of rotatory piece, the inside still cover of anchor clamps body is equipped with seal assembly, the flexible snap ring, seal assembly is close to the mounting hole setting, the flexible snap ring is close to the clamping ring setting, this sealing joint need not specialized tool, only can accomplish installation and dismantlement through rotating the rotatory piece, its theory of operation is, anticlockwise rotation rotatory piece, the rotatory piece, rotatory piece rotates the direction motion that drives the clamping ring and keeps away from the flexible snap ring, rotary ring and the direction motion of keeping away from the flexible snap ring, the flexible snap ring does not contact with the flexible snap ring, the flexible snap ring is on the tubular product outer wall when the non-deformation state, can prevent that the sealing ring from droing, the rotary joint from coming off from the tubular product, the rotary joint rotates and drives the clamping ring and moves towards the flexible snap ring and makes it take place to warp, the deformation snap ring to contact with the flexible snap ring constantly, the flexible snap ring under the deformation snap ring, the installation of the flexible snap ring that can no longer be convenient for sealing joint, the operation dismouting is simple operation is simple. Therefore, the utility model discloses can realize sealing joint's quick installation and dismantlement, simple structure, convenient, the dismouting efficient of operation.

2. The utility model relates to a tubular product pressure test is with quick sealing joint, the stopper is still overlapped in the concrete inside of clamp, and the stopper is located between seal assembly, the flexible snap ring, is provided with the inclined plane that can contact with the flexible snap ring on its inner wall, and this design is spacing to flexible snap ring, clamping ring through the inclined plane on the stopper, when clamping ring extrusion flexible snap ring to its with the stopper on the inclined plane laminating, indicate that the clamping ring has moved extreme position, can prevent that the clamping ring from breaking away from the fixed block. Therefore, the utility model discloses can carry on spacingly to the clamping ring, prevent that the clamping ring from breaking away from.

3. The utility model relates to a tubular product pressure test is with quick sealing joint, the lateral wall of fixed block passes through threaded connection with the specific other end inside wall of anchor clamps, and the fixed block passes through the screw and can dismantle fixedly with rotatory piece, when needing to change and maintain flexible snap ring and seal assembly, can dismantle fixed block, clamping ring from the anchor clamps body together during the rotatory piece of anticlockwise rotation, can change and maintain, during normal test with the screw dismantle down can. Therefore, the utility model discloses be convenient for change and maintenance.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 3 is a schematic structural diagram of the deformable snap ring in fig. 1.

Fig. 4 is a schematic structural view of the fixing block and the pressing ring in fig. 1.

In the figure, a clamp body 1, a threaded hole 11, a rotating block 2, an annular groove 21, a sealing assembly 3, a deformable clamping ring 4, a clamping ring 41, a clamping tooth 42, a fixed block 5, an annular protrusion 51, a slide way 52, a pressing ring 6, a sliding block 61, a pipe 7, a sealing plug 8, a pressurizing device adapter 9, a limiting block 10 and an inclined plane 101.

Detailed Description

The invention is further described with reference to the drawings and the detailed description.

Referring to fig. 1 to 4, a quick sealing joint is used in test of tubular product pressure, sealing joint includes that the suit is at 7 outside anchor clamps bodies 1 of tubular product, rotatory piece 2, and the mounting hole 11 that communicates with tubular product 7 is seted up to the one end of anchor clamps bodies 1, and the inside fixed cover of the other end of anchor clamps bodies 1 is equipped with fixed block 5,

fixed block

5 and 2 axial fixity of rotatory piece, fixed block 5 and rotatory piece 2 between be provided with clamping ring 6, clamping ring 6 and fixed block 5 radial fixation, the inner wall of clamping ring 6 and the outer wall threaded connection of rotatory piece 2, the inside of anchor clamps bodies 1 still overlaps and is equipped with sealing component 3, flexible snap ring 4, sealing component 3 is close to the setting of mounting hole 11, flexible snap ring 4 is close to the setting of clamping ring 6.

The inside of anchor clamps body 1 still is equipped with stopper 10, stopper 10 is located between seal assembly 3, the flexible snap ring 4, is provided with the inclined plane 101 that can contact with flexible snap ring 4 on its inner wall.

Deformable snap ring 4 includes rand 41, a plurality of latch 42 of evenly arranging around rand 41 inner circumference circle, the inner circumference of rand 41 and latch 42's one end fixed connection, a side of rand 41 and the one end terminal surface of stopper 10 are laminated mutually, and a side of latch 42 can contact with inclined plane 101.

An annular bulge 51 is arranged on the inner side wall of one end of the fixed block 5, and the annular bulge 51 is matched with an annular groove 21 arranged on the outer side wall of the middle part of the rotating block 2.

A slide way 52 is arranged on the inner side wall from the middle part of the fixing block 5 to the other end, and the slide way 52 is matched with a slide block 61 arranged on the outer side wall of the pressing ring 6.

The mounting hole 11 is in threaded connection with a sealing plug 8 or a pressure device adapter 9 arranged on the end face of the pipe 7.

The sealing component 3 comprises a V-shaped sealing ring and an O-shaped sealing ring.

The lateral wall of fixed block 5 passes through threaded connection with the other end inside wall of the anchor clamps body 1, and fixed block 5 passes through the screw and can dismantle fixedly with rotatory piece 2.

The principle of the utility model is explained as follows:

the utility model relates to a quick sealing joint is used in test of tubular product pressure need not with the help of other instruments at the dismouting sample in-process, bare-handed installation and dismantlement can be accomplished, and installation and dismantlement weak point consuming time, efficient.

Example 1:

referring to fig. 1, sealing joint includes that the suit is at the outside anchor clamps body 1 of tubular product 7, rotatory piece 2, and the mounting hole 11 that communicates with tubular product 7 is seted up to the one end of anchor clamps body 1, mounting hole 11 and the 8 threaded connection of sealed end cap that set up on the 7 terminal surfaces of tubular product, the fixed block 5 is equipped with to the inside fixed cover of the other end of anchor clamps body 1,

fixed block

5 and 2 axial fixity of rotatory piece are provided with clamping ring 6 between fixed block 5 and the rotatory piece 2,

clamping ring

6 and 5 radial fixity of fixed block, the inner wall of clamping ring 6 and the outer wall threaded connection of rotatory piece 2, the inside of anchor clamps body 1 still overlaps and is equipped with seal assembly 3, flexible snap ring 4, seal assembly 3 is close to the setting of mounting hole 11, and seal assembly 3 includes V type sealing washer, O type sealing washer, flexible snap ring 4 is close to the setting of clamping ring 6.

Example 2:

the difference from example 1 is that:

referring to fig. 2, the mounting hole 11 is in threaded connection with a pressure device adapter 9 provided on an end face of the pipe 7.

Example 3:

the difference from example 1 is that:

referring to fig. 3, the inside of the fixture body 1 is further sheathed with a limiting block 10, the limiting block 10 is located between the sealing component 3 and the deformable snap ring 4, an inclined plane 101 capable of contacting with the deformable snap ring 4 is arranged on the inner wall of the limiting block, the deformable snap ring 4 comprises a clamping ring 41 and a plurality of clamping teeth 42 uniformly arranged around the inner circumference of the clamping ring 41, the inner circumference of the clamping ring 41 is fixedly connected with one end of the clamping teeth 42, one side surface of the clamping ring 41 is attached to one end surface of the limiting block 10, and one side surface of the clamping teeth 42 can contact with the inclined plane 101.

Example 4:

the difference from example 1 is that:

referring to fig. 1 and 4, an annular protrusion 51 is arranged on the inner side wall of one end of the fixed block 5, a slide rail 52 is arranged on the inner side wall from the middle to the other end of the fixed block 5, the annular protrusion 51 is matched with an annular groove 21 formed in the outer side wall of the middle of the rotating block 2, and the slide rail 52 is matched with a slide block 61 arranged on the outer side wall of the pressing ring 6.

Example 5:

the difference from example 1 is that:

referring to fig. 1, the outer side wall of the fixing block 5 is in threaded connection with the inner side wall of the other end of the fixture body 1, and one end of the fixing block 5 is detachably fixed to the rotating block 2 through a screw.

Claims

1. The utility model provides a quick sealing joint is used in test of tubular product pressure which characterized in that: sealing joint includes that the suit is at outside anchor clamps body (1) of tubular product (7), rotatory piece (2), the one end of the anchor clamps body (1) seted up with mounting hole (11) of tubular product (7) intercommunication, and the inside fixed cover of the other end of the anchor clamps body (1) is equipped with fixed block (5), fixed block (5) and rotatory piece (2) axial fixity are provided with clamping ring (6) between fixed block (5) and rotatory piece (2), clamping ring (6) and fixed block (5) radial fixation, the inner wall of clamping ring (6) and the outer wall threaded connection of rotatory piece (2), the inside of the anchor clamps body (1) still overlaps and is equipped with seal assembly (3), flexible snap ring (4), seal assembly (3) are close to mounting hole (11) and set up, flexible snap ring (4) are close to clamping ring (6) and set up.

2. The quick seal joint for pipe pressure testing according to claim 1, wherein: the clamp is characterized in that a limiting block (10) is further sleeved inside the clamp body (1), the limiting block (10) is located between the sealing component (3) and the deformable clamping ring (4), and an inclined plane (101) capable of being in contact with the deformable clamping ring (4) is arranged on the inner wall of the limiting block.

3. The quick seal joint for pipe pressure testing according to claim 2, wherein: deformable snap ring (4) include rand (41), a plurality of latch (42) of circling evenly arranging in rand (41), the one end fixed connection of the interior week of rand (41) and latch (42), and a side of rand (41) is laminated mutually with the one end terminal surface of stopper (10), and a side of latch (42) can contact with inclined plane (101).

4. The quick sealing joint for pipe pressure testing according to claim 1 or 2, wherein: the inner side wall of one end of the fixed block (5) is provided with an annular bulge (51), and the annular bulge (51) is matched with an annular groove (21) formed in the outer side wall of the middle of the rotating block (2).

5. The quick sealing joint for pipe pressure testing according to claim 1 or 2, wherein: the slide rail (52) is arranged on the inner side wall from the middle part of the fixing block (5) to the other end, and the slide rail (52) is matched with the slide block (61) arranged on the outer side wall of the pressing ring (6).

6. The quick sealing joint for pipe pressure testing according to claim 1 or 2, wherein: the mounting hole (11) is in threaded connection with a sealing plug (8) or a pressurizing device adapter (9) arranged on the end face of the pipe (7).

7. The quick sealing joint for pipe pressure testing according to claim 1 or 2, wherein: the sealing assembly (3) comprises a V-shaped sealing ring and an O-shaped sealing ring.

8. The quick sealing joint for pipe pressure testing according to claim 1 or 2, wherein: the outer side wall of the fixed block (5) is connected with the inner side wall of the other end of the clamp body (1) through threads, and the fixed block (5) is detachably fixed with the rotating block (2) through screws.