CN210196699U - Joint assembly - Google Patents

Abstract

The utility model provides a joint assembly belongs to the connecting piece field. This joint assembly connects the assembly and includes the joint body, lock nut, opening rand and sealing washer, lock nut threaded connection connects the body in the joint, its characterized in that connects the internal upper portion of being equipped with to keep off along, and the sealing washer is located upper portion and keeps off along department, and the opening rand is located the sealing washer top, and lock nut is located opening rand top, and when lock nut, the sealing washer is extrudeed. The connector is simple in structure and good in sealing performance, and the problems that the existing connector is poor in sealing performance and the like are solved.

Description

Joint assembly

Technical Field

The utility model belongs to connect the field, relate to and connect the assembly.

Background

The joint is a common connecting piece in life, is used for connecting pipelines, and generally comprises a two-way joint, a three-way joint, a four-way joint and the like in our life. These are common and common joints, but in practice, due to different application fields, the types of joints are various, and particularly, the sealing performance of the joints in high-pressure application fields such as hydraulic pressure and the like is important, and the water leakage phenomenon caused by the sealing performance of the joints is particularly common.

As filed by the applicant at 2016, 11, 15, and entitled "utility model for a coupling" under the name of 2016212274539, the applicant describes a coupling comprising a coupling body, a lock nut, a tapered washer and an open collar, wherein both ends of the coupling body are respectively provided with a threaded portion, and the lock nut is screwed on the threaded portion on one side; the tapered washer sets up in the joint body, and the opening rand sets up in lock nut, and the tapered washer uses with the cooperation of opening rand. The above patent is simple in structure and can make the connection more tight, but still has a problem that the sealing ring of the joint is arranged at the blocking edge in the joint body, when the locking nut is locked, the deformation degree of the sealing ring is difficult to control, so that the joint cannot achieve good sealing effect, and the structure is unreasonable, so that the joint is necessary to be improved and innovated.

Disclosure of Invention

The utility model aims at providing the joint assembly to the above-mentioned problem that exists among the prior art, this joint simple structure, the leakproofness is good, has solved the poor not enough scheduling problem of present joint leakproofness.

The purpose of the utility model can be realized by the following technical proposal: connect the assembly, connect the assembly including connecting the body, lock nut, opening rand and sealing washer, lock nut threaded connection in connect the body, its characterized in that, connect the internal upper portion that is equipped with to keep off along, the sealing washer is located upper portion and keeps off along department, the opening rand is located the sealing washer top, lock nut is located opening rand top, when locking lock nut, the sealing washer is extrudeed.

The two ends of the connector body are provided with openings, the top is provided with a water inlet end, and the bottom is provided with a water outlet end. Lock nut's both ends also are the opening, the pipe fitting is inserted from the top when lock nut, pass opening rand and sealing washer, then rotatory lock nut, at this in-process, lock nut extrusion opening rand, it is closed to make the opening rand, and then hold the pipe fitting tightly and prevent that the pipe fitting drops, meanwhile, opening rand extrusion sealing washer, make the sealing washer produce radial deformation, the sealing washer supports the outer wall that leans on to contact in the pipe fitting after warping, thereby realize effectively sealed, the sealing washer realizes two-way position through the inner wall that connects the body and the outer wall of pipe fitting and prescribes a limit to, thereby avoided the sealing washer to take place by the phenomenon of crowded exploding, the utility model discloses a rotatory lock nut realizes holding tightly of pipe fitting and the sealing washer is sealed to the pipe fitting, structural.

The joint assembly further comprises a gasket, the gasket is located between the sealing ring and the opening clamping ring, a first downward necking guide surface is arranged at the bottom of the opening clamping ring, and a second flaring guide surface is arranged at the top of the gasket.

When the locking nut is locked, the opening clamping ring downwards extrudes the gasket, the gasket and the opening clamping ring interact with each other, finally, the first guide surface and the second guide surface are attached, and the bottom of the opening clamping ring is clamped into the gasket. Meanwhile, the bottom of the gasket extrudes the sealing ring to deform the sealing ring.

In the above joint assembly, the top of the opening collar is provided with a third guide surface which is in a shape of a necking upwards, and the locking nut is internally provided with a fourth guide surface which is in a shape of a necking upwards.

When the locking nut is locked, the fourth guide surface is attached to the third guide surface, and the two surfaces interact with each other to enable the opening clamping ring to be clamped tightly. The bidirectional hooping of the opening hoop is realized by matching with the first guide surface and the second guide surface, so that the opening hoop is quickly and effectively tightened.

In the above joint assembly, the outer wall of the lock nut is provided with a fifth guide surface which is in a shape of a necking upwards, and the positions of the fifth guide surface and the fourth guide surface correspond.

The fifth guide surface is formed naturally by machining the fifth guide surface.

In the joint assembly, the necking end of the fifth guide surface is provided with the annular guide part.

The pipe fitting passes through the guide part, enters into this joint assembly in the middle of, and the guide part has played the effect that reduces the pipe fitting and takes place to become flexible.

In the above joint assembly, the outer wall of the lock nut has a plurality of first anti-slip ribs.

The outer wall of the locking nut is provided with anti-skidding convex lines, so that people can operate the locking nut more easily when rotating the locking nut, and skidding is avoided.

In the above joint assembly, the joint body has a lower retaining edge therein, and the inner diameter of the lower retaining edge is smaller than the inner diameter of the upper retaining edge.

When the pipe piece extends into the water inlet end of the connector body, the inner diameter of the lower blocking edge is smaller than that of the upper blocking edge, so that the pipe piece can abut against the lower blocking edge, and the penetrating limit distance of the pipe piece is limited.

In the joint assembly, the outer walls of the two ends of the joint body are both provided with threads, and a plurality of second anti-skid convex lines are arranged between the threads of the two ends.

When the second anti-skidding convex line on the outer wall of the joint body enables the threads on the inner wall of the lock nut to be in threaded connection with the top of the joint body, the joint body is held more easily, and slipping is prevented.

In the above joint assembly, the joint body, the lock nut, the open collar and the washer are made of the same material.

The materials of these several components are all made of brass, but in practice they may be made of other materials.

In the above joint assembly, the inner wall of the opening collar has a plurality of tightening edges distributed along the inner wall of the opening collar.

When the opening clamping ring is clamped, the clamping edge is contacted with the outer wall of the pipe fitting, so that the pipe fitting is held tightly.

Compared with the prior art, the joint assembly has the following advantages:

1. the washer, the opening clamping ring and the locking nut in the joint assembly are provided with guide surfaces, so that the opening clamping ring can be quickly and effectively tightened.

2. The sealing ring is positioned at the upper blocking edge in the joint assembly, the opening clamping ring extrudes the sealing ring to enable the sealing ring to generate radial deformation, and the sealing ring is abutted against the outer wall of the pipe fitting after being deformed, so that effective sealing is realized, and the phenomenon that the sealing ring is extruded and exploded is avoided.

3. The locking nut in the joint assembly is provided with the guide part, the pipe fitting penetrates through the guide part and enters the joint assembly, and the guide part plays a role in reducing looseness of the pipe fitting.

Drawings

FIG. 1 is a cross-sectional view of the present joint assembly after installation of a pipe.

Fig. 2 is a structural cross-sectional view of the present joint assembly.

Fig. 3 is an enlarged view of a structure of a region a in fig. 1.

Fig. 4 is an enlarged view of a structure of a region B in fig. 2.

List of reference numerals

In the figure:

1. a fitting body;

1a, an upper blocking edge;

1b, a lower blocking edge;

2. a lock nut;

2a, a guide surface IV;

2b, a guide surface five;

2c, a guide part;

3. an open collar;

3a, a first guide surface;

3b, a third guide surface;

3c, tightening the edge;

4. a seal ring;

5. a gasket;

5a, a second guide surface;

Detailed Description

As shown in fig. 1 to 4, the joint assembly includes a joint body 1, a lock nut 2, an opening collar 3 and a seal ring 4, wherein the lock nut 2 is screwed into the joint body 1, an upper blocking edge 1a is provided in the joint body 1, the seal ring 4 is located at the upper blocking edge 1a, the opening collar 3 is located above the seal ring 4, the lock nut 2 is located above the opening collar 3, and when the lock nut 2 is locked, the seal ring 4 is squeezed. The two ends of the joint body 1 are open, the top is a water inlet end, and the bottom is a water outlet end. The both ends of lock nut 2 also are the opening, the pipe fitting is inserted from the top when lock nut 2, pass opening rand 3 and sealing washer 4, then rotatory lock nut 2, at this in-process, 2 extrusion opening rand 3 of lock nut, make opening rand 3 closed, and then hold the pipe fitting tightly and prevent that the pipe fitting drops, meanwhile, 3 extrusion sealing washers 4 of opening rand, make sealing washer 4 produce radial deformation, support after sealing washer 4 warp and lean on the outer wall that contacts in the pipe fitting, thereby realize effective sealing, sealing washer 4 realizes two-way position through the outer wall that connects the inner wall of body 1 and pipe fitting and prescribes a limit to, thereby avoided sealing washer 4 to be crowded phenomenon emergence of exploding, the utility model discloses a rotatory lock nut 2 realizes holding tightly of pipe fitting and sealing washer 4 is sealed to the pipe fitting, structural design is ingenious, the design is novel.

Specifically, the joint assembly further comprises a gasket, the gasket is positioned between the sealing ring 4 and the opening collar 3, the bottom of the opening collar 3 is provided with a downward necking guide surface 3a, and the top of the gasket is provided with a flaring guide surface 5 a. When the lock nut 2 is locked, the opening clamping ring 3 downwards presses the washer, the two interact with each other, finally, the first guide surface 3a and the second guide surface 5a are attached to each other, and the bottom of the opening clamping ring 3 is clamped into the washer. At the same time, the bottom of the gasket presses the sealing ring 4 to deform the sealing ring 4. The top of the opening clamping ring 3 is provided with a third guide surface which is upwards in a necking shape, and the locking nut 2 is internally provided with a fourth guide surface 2a which is upwards in a necking shape. When the lock nut 2 is locked, the guide surface four 2a is attached to the guide surface three, and the two surfaces interact with each other to enable the opening clamping ring 3 to be clamped. And the two-way tightening of the opening clamp is realized by matching with the first guide surface 3a and the second guide surface 5a, so that the opening clamp is quickly and effectively tightened.

Specifically, the lock nut 2 has a guide surface five 2b which is tapered upward on the outer wall, and the guide surface five 2b corresponds to the guide surface four 2 a. The guide surface five 2b is naturally formed by machining the guide surface four 2 a. The reduced end of the guide surface five 2b is provided with a circular guide part 2 c. The pipe fitting passes through the guide part 2c and enters the joint assembly, and the guide part 2c plays a role in reducing the looseness of the pipe fitting. The outer wall of the lock nut 2 is provided with a plurality of first anti-skid convex lines. The outer wall of the locking nut 2 is provided with anti-skidding convex lines, so that people can operate the locking nut 2 more easily when rotating the locking nut, and skidding is avoided. The connector body 1 is provided with a lower retaining edge 1b, and the inner diameter of the lower retaining edge 1b is smaller than that of the upper retaining edge 1 a. When the pipe piece extends into the water inlet end of the connector body 1, the inner diameter of the lower retaining edge 1b is smaller than that of the upper retaining edge 1a, so that the pipe piece can abut against the lower retaining edge 1b, and the limit distance of penetration of the pipe piece is limited. The outer walls of the two ends of the joint body 1 are provided with threads, and a plurality of second anti-skid convex lines are arranged between the threads of the two ends. When the second anti-skidding convex lines on the outer wall of the joint body 1 enable the threads on the inner wall of the lock nut 2 to be in threaded connection with the top of the joint body 1, the joint body 1 is held more easily to prevent skidding. The joint body 1, the lock nut 2, the split collar 3 and the washer are made of the same material. The materials of these several components are all made of brass, but in practice they may be made of other materials. The inner wall of the opening clamping ring 3 is provided with a plurality of tightening edges 3c distributed along the inner wall of the opening clamping ring 3. When the opening collar 3 is tightened, the tightening edge 3c comes into contact with the outer wall of the pipe, thereby holding the pipe.

Details, structures, dimensions and principles not mentioned in the present application are all known in the art or can be obtained by simple selection of those skilled in the art, and are not described in detail.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. Connect the assembly, including the joint body, lock nut, opening rand and sealing washer, lock nut threaded connection in connect the body, its characterized in that, connect the internal upper portion that is equipped with to keep off along, the sealing washer is located upper portion and keeps off along department, the opening rand is located the sealing washer top, lock nut is located opening rand top, when locking lock nut, the sealing washer is extruded.

2. The fitting assembly of claim 1 further comprising a gasket positioned between the seal ring and the split collar, the split collar having a first downwardly converging guide surface at a bottom portion thereof and a second flared guide surface at a top portion thereof.

3. A connector assembly according to claim 1 or claim 2, wherein the top of the split collar has a third upwardly tapered guide surface and the lock nut has a fourth upwardly tapered guide surface.

4. The connector assembly of claim 3, wherein said lock nut has an upwardly tapered guide surface five on an outer wall thereof, said guide surface five and said guide surface four positions corresponding to each other.

5. The connector assembly of claim 4, wherein the reduced end of the guide surface five has a guide portion in the shape of a circular ring.

6. A connector assembly according to claim 1 or 2 or 4 or 5, wherein the outer wall of the lock nut has a plurality of first anti-slip ribs.

7. The connector assembly of claim 1, 2, 4 or 5, wherein said connector body has a lower ledge therein, said lower ledge having an inner diameter less than an inner diameter of said upper ledge.

8. The connector assembly of claim 1, 2, 4 or 5, wherein the outer wall of each end of the connector body is threaded and a plurality of second anti-slip ribs are provided between the threads of each end.

9. The connector assembly of claim 1 or 2 or 4 or 5, wherein the connector body, lock nut, split collar and washer are of the same material.

10. A connector assembly according to claim 1, 2, 4 or 5, wherein the inner wall of the opening collar has a plurality of gripping edges distributed along the inner wall of the opening collar.

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