CN219045616U

CN219045616U - General type quick sealing connector

Info

Publication number: CN219045616U
Application number: CN202223406665.1U
Authority: CN
Inventors: 陈富强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-19
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a universal quick sealing connector, which comprises: a piston pushing a jaw provided at a head of the piston in a first state; the clamping jaws are at least provided with two clamping jaw sleeves for enclosing the clamping jaw sleeves with through holes, the head parts of the clamping jaw sleeves are opened in a first state, and the clamping jaw sleeves are folded and wrapped around the pipe fitting in a second state to form a second matching surface; the sleeve is arranged outside the claw sleeve, the head of the sleeve and the claw sleeve form a first matching surface in a second state, and the tail of the sleeve is provided with a hole; the tail part of the claw sleeve is arranged in a gap between the sleeve and the tailstock; the front end sealing ring is arranged at the head part of the piston and matched with the pipe fitting. The pipe diameter is self-adaptive within a certain range, so that the quick connector is suitable for the condition of larger pipe diameter tolerance, reduces the number of quick connectors and has good tightness; setting up the spacer pin, providing multiple locking gear, prevent under the circumstances of vibrations, the jack catch is abnormal to be opened, influences the test.

Description

General type quick sealing connector

Technical Field

The utility model relates to the field of quick connectors, in particular to a universal quick sealing connector.

Background

The quick connector is a joint capable of realizing connection or disconnection of a pipeline without tools, and is usually used for sealing the pipe orifice when testing some machine equipment with the pipe orifice, so that the quick connector has higher sealing performance requirement.

The current quick connector wraps the pipe orifice through the claw, so that the sealing effect can be improved, the production efficiency and the reliability of connection sealing are improved, but the universality is poor, the quick connector is required to be matched with each pipe diameter independently, and the quick connector cannot be used under the condition of large pipe diameter tolerance; in the case of vibration, the jaws risk being opened abnormally.

Disclosure of Invention

In order to solve the above technical problems, the present utility model provides a universal quick seal connector, comprising: a piston pushing a claw provided at a head of the piston in a first state; the clamping jaws are at least provided with two clamping jaw sleeves for enclosing the clamping jaw sleeves with through holes, the heads of the clamping jaw sleeves are opened in a first state, and the clamping jaws are closed and wrap the pipe fitting in a second state to form a second matching surface; the sleeve is arranged outside the claw sleeve, the head of the sleeve and the claw sleeve form a first matching surface in a second state, and the tail of the sleeve is provided with a hole; the tail seat is arranged in the sleeve, and the tail part of the piston is arranged in the tail seat; the limiting pin is fixed with the tailstock through a hole at the tail part of the sleeve and used for reinforcing the wrapping of the claw sleeve on the pipe fitting in the second state; the tail part of the claw sleeve is arranged in a gap between the sleeve and the tailstock; the front end sealing ring is arranged at the head part of the piston and matched with the pipe fitting.

Preferably: the head of the claw sleeve is in interference fit with an insert, the insert is coaxial with the claw sleeve, and the insert is in a dovetail groove type.

Preferably: the hole formed in the tail of the sleeve is a gear slot hole, and the limiting pin is clamped in the gear slot hole of the sleeve by rotating the sleeve.

Preferably: and a piston spring is arranged at the tail part of the piston, and the piston is pushed by the elastic force of the piston spring.

Preferably: a sleeve spring is arranged between the sleeve and the tailstock, and the sleeve is pushed by the elasticity of the sleeve spring.

Preferably: a piston sealing ring is arranged between the piston and the tailstock.

Preferably: the tail of the claw sleeve is provided with an annular groove, an elastic ring is arranged in the annular groove, and in a first state, the claw sleeve is opened by receiving the contraction force of the elastic ring.

Preferably: the periphery of the tailstock is provided with a blocking ring, and the blocking ring is provided with a hole.

Preferably: one side of the blocking ring is provided with the sleeve spring, and the other side of the blocking ring is provided with a clamp spring.

Preferably: the first matching surface and the second matching surface are locked by conical surfaces.

The utility model has the technical effects and advantages that:

the claw and the sleeve form conical surface locking, and the conical surface locking can be formed on the first matching surface according to the pipe outer diameter of the pipe fitting, so that the conical surface locking is formed on the second matching surface, the pipe fitting is tightly wrapped, the front end sealing ring is matched according to different pipe orifices and can be an inner concave surface or an outer conical surface, the pipe diameter is self-adaptive in a certain range, the pipe diameter is suitable for the condition of larger pipe diameter tolerance, the type of a quick connector is reduced, and the tightness is good; setting up the spacer pin, providing multiple locking gear, prevent under the circumstances of vibrations, the jack catch is abnormal to be opened, influences the test.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a universal quick seal connector according to an embodiment of the present application;

fig. 2 is a schematic view of an external structure of a universal quick seal connector according to an embodiment of the present application;

FIG. 3 is a side view of a universal quick seal connector provided in an embodiment of the present application;

fig. 4 is a front view of a universal quick seal connector provided in an embodiment of the present application.

In the figure:

1. a pipe fitting; 2. a claw; 3. an insert; 4. a front end sealing ring; 5. a piston; 6. a sleeve; 7. a piston spring; 8. a sleeve spring; 9. a piston seal ring; 10. an elastic ring; 11. a tailstock; 12. a blocking ring; 13. clamping springs; 14. a limiting pin; 15. a first mating surface; 16. and a second mating surface.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 4, in this embodiment, a universal quick-sealing connector is provided, which includes jaws 2, the jaws 2 are made of metal, at least two jaws are provided to enclose a jaw sleeve with a through hole, the head of the jaw sleeve is opened in a first state, and is closed and wrapped around a pipe fitting 1 in a second state, and the conical surfaces are locked to form a second mating surface 16, in this embodiment, six jaws 2 are provided, and a sleeve 6 is provided outside the jaw sleeve.

The tail of the sleeve 6 is provided with a hole, the hole is a gear slot hole, the limiting pin 14 is clamped in the gear slot hole of the sleeve 6 by rotating the sleeve 6, in the embodiment, the sleeve 6 provides six gear slots for the limiting pin 14, the head of the sleeve 6 is provided with a first bump, the sleeve 6 is locked with the conical surface of the claw sleeve through the first bump in a second state to form a first matching surface 15, the inner wall is also provided with a second bump, and the interior of the sleeve 6 is provided with a tailstock 11; a sleeve spring 8 is arranged between the sleeve 6 and the tailstock 11, and the second lug of the sleeve 6 is pushed by the elastic force of the sleeve spring 8, so that the sleeve 6 is pushed to wrap the claw sleeve.

The tail seat 11 is provided with a hole, the periphery of the tail seat is provided with a blocking ring 12, the blocking ring 12 is also provided with a hole matched with the hole on the tail seat 11, one side of the blocking ring 12 is provided with a sleeve spring 8, and the other side is provided with a clamp spring 13; the tail part of the piston 5 is arranged in the tailstock 11, a through hole of the piston 5 is matched with a threaded interface on the tailstock 11, and external fluid enters the piston 5 through the threaded interface; a piston sealing ring 9 is arranged between the piston 5 and the tailstock 11.

A piston spring 7 is mounted at the tail of the piston 5, and in the first state, the piston 5 is pushed by the elastic force of the piston spring 7, so that a claw 2 arranged at the head of the piston 5 is pushed; the front end sealing ring 4 is arranged at the head of the piston 5 and matched with the pipe fitting 1, and in the embodiment, the front end sealing ring 4 can be an inner concave surface or an outer conical surface; in the second state, fluid passes through the piston 5 and into the tube 1.

The afterbody setting of jack catch cover is in the clearance of sleeve 6 and tailstock 11, and the afterbody of jack catch cover is equipped with the ring channel, is provided with elastic ring 10 in the ring channel, and under the first state, the jack catch cover opens through receiving elastic ring 10's shrinkage force, and head interference fit has slug 3, and slug 3 is the dovetail, and coaxial with the jack catch cover, slug 3 can change, has resources-saving effect, and the material of slug 3 can be metal, nonmetal or plastics class according to actual conditions, the cooperation material of selecting.

After passing through the holes at the tail of the sleeve 6 and the holes on the blocking ring 12, the limiting pin 14 is fixed with the holes of the tailstock 11, and the limiting pin 14 has a locking function and prevents the jaw sleeve from being opened abnormally under the vibration condition to influence the test; under the condition that the limiting pin 14 is not used, the sleeve 6 is automatically clamped by the elastic force of the sleeve spring 8 to tightly clamp the claw sleeve, and the claw sleeve can be normally used in low-pressure occasions.

In the first state, the connector is not connected with the pipe fitting 1, the sleeve 6 is pushed towards the tail of the sleeve 6, the piston 5 is subjected to reverse elastic force of the piston spring 7, the front end sealing ring 4 is driven to move towards the head of the sleeve 6, the jaw sleeve is pushed to extend out of the sleeve 6, and the head of the jaw sleeve is expanded by contraction force of the elastic ring 10 arranged at the tail of the jaw sleeve.

In the second state, the connector is connected with the pipe fitting 1, after the pipe fitting 1 is inserted, the front end sealing ring 4 is contacted, and the piston 5 moves downwards by applying force through the front end sealing ring 4; simultaneously, the sleeve 6 moves towards the head of the sleeve 6 by the elasticity of the sleeve spring 8, the claw sleeve is wrapped, the piston 5 moves downwards to a set position, the claw sleeve is folded, and the front end sealing ring 4 is extruded to form a sealing ring with the pipe fitting 1; at this time, the limiting pin 14 is fixed with the tailstock 11 through different holes on the sleeve 6, the clamping jaw sleeve is used for wrapping the pipe fitting 1, the fluid is connected with the pipe fitting 1 through a threaded interface on the tailstock 11, reliable sealing connection is formed, and the functions of fluid conveying, testing and quick plugging of the interface of the pipe fitting 1 can be realized.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. A universal quick seal connector, comprising:

a piston (5) pushing a claw (2) provided at the head of the piston (5) in a first state;

the clamping jaws (2) are at least provided with two clamping jaw sleeves for enclosing the clamping jaw sleeves with through holes, the heads of the clamping jaw sleeves are opened in a first state, and the clamping jaws are closed and wrap the pipe fitting (1) in a second state to form a second matching surface (16);

the sleeve (6) is arranged outside the claw sleeve, a first matching surface (15) is formed by the head of the sleeve (6) and the claw sleeve in a second state, and a hole is formed in the tail of the sleeve (6);

the tail seat (11) is arranged in the sleeve (6), and the tail part of the piston (5) is arranged in the tail seat (11);

the limiting pin (14) is fixed with the tailstock (11) through a hole at the tail part of the sleeve (6) and used for reinforcing the wrapping of the claw sleeve on the pipe fitting (1) in the second state;

the tail part of the claw sleeve is arranged in a gap between the sleeve (6) and the tailstock (11);

the front end sealing ring (4) is arranged at the head part of the piston (5) and matched with the pipe fitting (1).

2. The universal quick seal connector of claim 1, wherein the head of the jaw sleeve is interference fit with an insert (3), the insert (3) being coaxial with the jaw sleeve, the insert (3) being dovetail.

3. The universal quick seal connector according to claim 2, wherein the hole formed in the tail of the sleeve (6) is a gear slot, and the limiting pin (14) is clamped in the gear slot of the sleeve (6) by rotating the sleeve (6).

4. A universal quick seal connector according to claim 1, characterized in that the tail of the piston (5) is fitted with a piston spring (7), the piston (5) being pushed by the spring force of the piston spring (7).

5. A universal quick-action sealing connector according to claim 1, characterized in that a sleeve spring (8) is mounted between the sleeve (6) and the tailstock (11), the sleeve (6) being pushed by the elastic force of the sleeve spring (8).

6. A universal quick-seal connector according to claim 1, characterized in that a piston sealing ring (9) is arranged between the piston (5) and the tailstock (11).

7. A universal quick seal connector according to claim 1, wherein the tail of the jaw sleeve is provided with an annular groove in which an elastic ring (10) is arranged, the jaw sleeve being opened by receiving the contraction force of the elastic ring (10) in the first state.

8. The universal quick seal connector according to claim 5, wherein a blocking ring (12) is provided on the periphery of the tail stock (11), and the blocking ring (12) is provided with a hole.

9. A universal quick-seal connector according to claim 8, characterized in that the blocking ring (12) is provided on one side with the sleeve spring (8) and on the other side with a snap spring (13).

10. A universal quick seal connector according to claim 1, wherein the first mating surface (15) and the second mating surface (16) are tapered locking.