CN206093306U - Extrusion formula quick coupling for pipeline - Google Patents

Abstract

The utility model provides an extrusion formula quick coupling for pipeline, includes male joint and female connector, quick -operation joint still includes and is used for installing the subassembly of pressing at female connector with male joint, the hollow structure of male joint for lining up from top to bottom, male joint includes that male joint connecting pipe, annular slab and annular are protruding, the hollow structure of female connector for lining up from top to bottom, female connector includes female connector connecting pipe, locking part and female connector external connection port, it includes rubber grommet and clamp to press the subassembly, set up jaggedly along the axial on the rubber grommet, the rubber grommet is located the annular slab with the annular between the arch and the suit be in on the male joint connecting pipe, the clamp suit is in the outside of locking jack catch. The utility model provides a be convenient for maintenance, simple structure, cost -effective extrusion formula quick coupling for pipeline.

Description

A squeeze-type pipeline quick connector

technical field

The utility model belongs to the field of pipeline connection, in particular to an extruded pipeline quick joint.

Background technique

The pipeline connection system plays an important role in many fields in the industry. The traditional joints are generally fastened by bolts. The biggest disadvantage is that the installation speed is slow, the space required for assembly is high, the assembly is difficult, and the production efficiency cannot be improved. , In addition, with the structure of the bolt fastening mode, the sealing and firm performance are not very ideal. Based on this, people have designed quick connectors. Although there are many types of quick connectors, most of the existing quick connectors are based on the "card" method for quick connection, and their working principles are rarely expanded; Some quick connectors are not easy to maintain. Once a problem occurs, they will be scrapped as a whole, and the structure is complicated and the cost is high.

Contents of the invention

In order to overcome the disadvantages of inconvenient maintenance and complex structure of the existing quick joints, the utility model provides an extruded quick joint for pipelines which is easy to maintain, simple in structure and saves cost.

The technical scheme that the utility model solves its technical problem adopts is:

A squeeze-type pipeline quick connector, including a male connector and a female connector, and the quick connector also includes a pressing assembly for installing the male connector on the female connector;

The male joint is a hollow structure that penetrates up and down. The male joint includes a male joint connecting pipe, an annular plate and an annular protrusion. The upper end of the male joint connecting pipe is provided with an external connection port of the male joint. The middle and upper part of the male joint connection pipe, the annular protrusion is located under the annular plate and fits on the middle and lower part of the male joint connection pipe; the outer diameter of the annular plate is larger than the outer diameter of the annular protrusion;

The female joint is a hollow structure penetrating up and down. The female joint includes a female joint connecting pipe, a locking part and an external connection port of the female joint. The upper end of the female joint connecting pipe is provided with the locking part. The lower end of the joint connecting pipe is provided with the external connection port of the female joint; the locking part includes locking claws, and there are more than two locking claws, and more than two locking claws are evenly distributed on the connecting pipe of the female joint. There is a gap between two adjacent locking claws for a week of the upper end surface;

The pressing assembly includes a rubber ring and a clip, the rubber ring is provided with a gap in the axial direction, the rubber ring is located between the annular plate and the annular protrusion and is sleeved on the male joint connecting pipe ; the hoop is set on the outside of the locking claw, the hoop is a ring with an opening, a first hook and a second hook are respectively provided at both ends of the hoop, and the the first hook and the second hook are hooked together;

The outer surface of the middle part of the locking claw is provided with a groove matching the clamp, and the inner surface of the middle part of the locking claw is provided with an extruding flange, and the extruding flange is in contact with the clamp. The outer wall surface of the rubber ring is extruded and bonded; the inner wall of the upper end of the female joint connecting pipe is provided with two position-limiting protrusions oppositely arranged to limit the sealing assembly, and the ring-shaped protrusions are overlapped on the limit On the position protrusion, the annular plate is located above the locking part, and the male joint connecting pipe is located in the female joint connecting pipe.

Further, the outer surface of the rubber ring 15 is a convex spherical surface 152 , the inner surface of the extrusion flange 2112 is a concave spherical surface, and the concave spherical surface is attached to the convex spherical surface 152 .

Still further, the cross section of the clip 22 is circular.

Still further, the ring with an opening is a spiral rising type, and the two ends of the ring with an opening are not on the same plane.

Furthermore, the sealing assembly is located in the female joint connecting pipe below the limiting protrusion and sleeved outside the male joint connecting pipe.

The lower end surface of the connecting pipe of the male joint is provided with chamfers.

The clamp is a metal clamp.

Both the male joint and the female joint are plastic parts.

The beneficial effects of the utility model are embodied in that: the connection is realized by the extrusion friction principle, which is convenient and fast; the parts can be replaced quickly, the maintenance is convenient, the cost is saved, and the structure is simple, safe and reliable.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a cross-sectional view of the utility model in a pre-assembled state.

Fig. 3 is a structural schematic diagram of the rubber ring.

Fig. 4 is a schematic diagram of the structure of the hoop.

Fig. 5 is a front view of Fig. 4 .

Fig. 6 is a structural schematic diagram of a female joint.

Fig. 7 is a cross-sectional view of the utility model in an assembled state.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Figures 1 to 7, a squeeze-type pipeline quick connector includes a male connector 1 and a female connector 2, and the quick connector also includes a pressing assembly for installing the male connector 1 on the female connector 2;

The male joint 1 is a hollow structure that penetrates up and down. The male joint 1 includes a male joint connecting pipe, an annular plate 12 and an annular protrusion 13. The upper end of the male joint connecting pipe is provided with a male joint external connection port 11. The annular plate 12 is set on the middle and upper part of the male joint connecting pipe, and the annular protrusion 13 is located under the annular plate 12 and is set on the middle and lower part of the male joint connecting pipe; the outer diameter of the annular plate 12 is larger than the The outer diameter of the annular protrusion 13;

The female joint 2 is a hollow structure penetrating up and down. The female joint 2 includes a female joint connecting pipe 23, a locking part 21 and an external connection port 24 of the female joint. The upper end of the female joint connecting pipe 23 is provided with the lock Stop part 21, the lower end of the female joint connection pipe is provided with the external connection port 24 of the female joint;

The locking part 21 includes locking claws 211, and there are more than two locking claws 211, and more than two locking claws are evenly distributed on a circle of the upper end surface of the female joint connecting pipe, and two adjacent locking claws There is a gap between the claws;

The pressing assembly includes a rubber ring 15 and a clamp 22, the rubber ring 15 is provided with a notch 151 in the axial direction, the rubber ring 15 is located between the annular plate 12 and the annular protrusion 13 and fits in the The male joint is connected to the pipe; the clamp 22 is set on the outside of the locking claw 211, the clamp 22 is a ring with an opening, and the two ends of the clamp 22 are respectively provided with a second a hook 221 and a second hook 222, the first hook 221 and the second hook 222 are hooked together;

The outer surface of the middle part of the locking claw 211 is provided with a groove that matches the clamp 22, and the inner surface of the middle part of the locking claw 211 is provided with an extrusion flange 2112. The flange 2112 is press-fitted with the outer wall of the rubber ring 15; the inner wall of the upper end of the female joint connecting pipe 23 is provided with two oppositely arranged position-limiting protrusions 212 for limiting the sealing assembly. The protrusion 13 overlaps the limiting protrusion 212 , the annular plate 12 is located above the locking portion 21 , and the male joint connecting pipe is located in the female joint connecting pipe 23 .

Further, the outer wall surface of the rubber ring 15 is an outer convex spherical surface 152, the inner surface of the extrusion flange 2112 of the locking claw 211 is an inner concave spherical surface, and the inner concave spherical surface is attached to the outer convex spherical surface 152 .

Still further, the cross section of the clip 22 is circular, and of course it can also be in other shapes.

Furthermore, the ring with opening is a spiral rising type, and the two ends of the ring with opening are not on the same plane, that is, the first hook 221 and the second hook 222 are not on the same plane. on flat surface.

Furthermore, the sealing assembly is located in the female joint connecting pipe below the limiting protrusion 212 and sleeved outside the male joint connecting pipe. The sealing assembly includes a sealing ring, a sealing ring and a retaining ring.

A chamfer 14 is provided on the lower end surface of the connecting pipe of the male joint.

The clamp 22 is a metal clamp.

Both the male connector 1 and the female connector 2 are plastic parts.

The rubber ring 15 is a rubber product.

The working process of the utility model is: when the pipeline needs to be connected, the through hole 3 of the male joint 1 is connected with the pipeline to be connected, and the rubber ring 15 is set on the male joint 1 through the gap 151 on it. When confirming that the first hook 221 and the second hook 222 of the clamp 22 have not been matched, the diameter of the upper opening of the locking part 21 is greater than the diameter of the annular protrusion 13 on the male joint 1, and the male joint 1 is inserted into the desired position. position, make the first hook 221 and the second hook 222 of the clamp 22 hook each other, because the diameter of the matching clamp 22 is small, the clamp 22 will squeeze the locking claw 211, and then lock the claw The extrusion flange 2112 on the inner surface of 211 will press the rubber ring 15, so that the outer convex spherical surface 152 of the rubber ring 15 and the inner concave spherical surface of the extrusion flange 2112 fit each other, and the rubber ring 15 is pressed against the male joint 1. The joint connection tube is extruded to increase the friction and realize the connection; during the working process, the lower surface 121 of the annular plate 12 and the upper surface 131 of the annular protrusion 13 will limit the axial movement of the rubber ring 15, increasing the stability of the connection .

When the connection needs to be disconnected, the first hook 221 and the second hook 222 are opened to release the clamp 22. At this time, the diameter of the upper opening of the locking part 21 is larger than the diameter of the annular protrusion 13 on the male connector 1. Out male connector 1, disconnect.

The utility model is easy to operate and improves work efficiency.

Claims (8)

1. A squeeze-type pipeline quick connector, comprising a male connector and a female connector, characterized in that: The quick connector also includes a pressing assembly for installing the male connector on the female connector; The male joint is a hollow structure that penetrates up and down. The male joint includes a male joint connecting pipe, an annular plate and an annular protrusion. The upper end of the male joint connecting pipe is provided with an external connection port of the male joint. The middle and upper part of the male joint connection pipe, the annular protrusion is located under the annular plate and fits on the middle and lower part of the male joint connection pipe; the outer diameter of the annular plate is larger than the outer diameter of the annular protrusion; The female joint is a hollow structure penetrating up and down. The female joint includes a female joint connecting pipe, a locking part and an external connection port of the female joint. The upper end of the female joint connecting pipe is provided with the locking part. The lower end of the joint connecting pipe is provided with the external connection port of the female joint; the locking part includes locking claws, and there are more than two locking claws, and more than two locking claws are evenly distributed on the connecting pipe of the female joint. There is a gap between two adjacent locking claws for a week of the upper end surface; The pressing assembly includes a rubber ring and a clip, the rubber ring is provided with a gap in the axial direction, the rubber ring is located between the annular plate and the annular protrusion and is sleeved on the male joint connecting pipe ; the hoop is set on the outside of the locking claw, the hoop is a ring with an opening, a first hook and a second hook are respectively provided at both ends of the hoop, and the the first hook and the second hook are hooked together; The outer surface of the middle part of the locking claw is provided with a groove matching the clamp, and the inner surface of the middle part of the locking claw is provided with an extruding flange, and the extruding flange is in contact with the clamp. The outer wall surface of the rubber ring is extruded and bonded; the inner wall of the upper end of the female joint connecting pipe is provided with two position-limiting protrusions oppositely arranged to limit the sealing assembly, and the ring-shaped protrusions are overlapped on the limit On the position protrusion, the annular plate is located above the locking part, and the male joint connecting pipe is located in the female joint connecting pipe. 2. A squeeze-type pipeline quick joint according to claim 1, characterized in that: the outer wall of the rubber ring is a convex spherical surface, and the inner surface of the extrusion flange is a concave spherical surface, so The concave spherical surface is attached to the convex spherical surface. 3. A squeeze type pipeline quick connector according to claim 1 or 2, characterized in that: the cross section of the clip is circular. 4. A squeeze-type pipeline quick connector as claimed in claim 1 or 2, characterized in that: the circular ring with the opening is a spiral rising type, and the two ends of the circular ring with the opening are not in the on the same plane. 5. A squeeze-type pipeline quick connector according to claim 1 or 2, characterized in that: the sealing assembly is located in the female connector connecting pipe below the limiting protrusion and sleeved outside the male connector connecting pipe. 6. A squeeze-type pipeline quick connector according to claim 1 or 2, characterized in that: the lower end surface of the connecting pipe of the male connector is provided with a chamfer. 7. A squeeze-type pipeline quick connector according to claim 1 or 2, characterized in that: the clamp is a metal clamp. 8. A squeeze-type pipeline quick connector according to claim 1 or 2, characterized in that: the male connector and the female connector are both plastic parts.