CN217084081U

CN217084081U - Quick connector

Info

Publication number: CN217084081U
Application number: CN202220836821.9U
Authority: CN
Inventors: 党辉
Original assignee: Shenzhen Huishuo Electromechanical Co ltd
Current assignee: Shenzhen Huishuo Electromechanical Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-29
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a quick connector, including main part and spacing stopper, inside one side of main part is provided with first piston, and the inboard mid-mounting of main part has the second piston, spacing stopper sets up in the one end of first piston, the front end housing is installed to the outside one end of main part, and is provided with the gasket on one side of the inside of front end housing. This quick connector compares with current device, through the main part, fill into drive gas from main part port middle part, first piston can be forward movement, the second piston also can be driven, two-layer cylinder extrudees the main seal circle together, make main seal circle extrusion deformation, reach sealed purpose, use the mode of cylindricality sealing washer, cylindricality main seal circle is not high to the sealed face requirement of product, the sealed scope is wide, sealed scope can reach about 2mm, adopt first piston and the second piston of thin slice type, reduce the length of full connector, the mode of snap ring and spacing stopper in adopting in the middle of the dual piston, separate two cylinders.

Description

Quick connector

Technical Field

The utility model relates to a quick connector technical field specifically is a quick connector.

Background

The quick connector is also a quick-change connector and is a wide industrial product, most of the quick connector is applied to an automatic detection production line, and is driven by compressed air or hydraulic oil to automatically clamp and release a detection product so as to meet the detection requirement of the automatic production line. Under the condition that the outer diameter of a product is not changed, the thrust of the cylinder can be increased by 2-5 times through the internal mechanism, and the air cylinder thrust mechanism is particularly suitable for use scenes with limited space.

The existing quick connector of the same type has the problems that when the existing quick connector is used, the whole outer diameter is large, the pipe orifice of a butt joint product has the interference condition, the installation is inconvenient, and the cost is high.

Disclosure of Invention

An object of the utility model is to provide a quick connector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick connector, includes main part and spacing stopper, inside one side of main part is provided with first piston, and the inboard mid-mounting of main part has the second piston, spacing stopper sets up in the one end of first piston, the front end housing is installed to the outside one end of main part, and is provided with the gasket on one side of the inside of front end housing, the place ahead of gasket is connected with main sealing washer, and the place ahead of main sealing washer is provided with first O circle, the inboard mid-mounting of spacing stopper has the second O circle, and the outside mid-mounting of spacing stopper is connected with the fourth O circle, the outside surface of first piston is provided with the third O circle, the fifth O circle is installed to outside one side of second piston, a side surface mounting of spacing stopper has interior snap ring.

Furthermore, a test port screw is arranged in the middle of the lower portion of the second piston and communicated with the second piston.

Furthermore, a sealing washer is arranged in the middle of the outer side of the test port screw, and the sealing washer is attached to the test port screw and the second piston.

Further, the first piston and the second piston are connected with the main body in a sliding mode, and the outer diameter of the first piston is the same as that of the second piston.

Furthermore, the first piston is attached to the main body through a third O ring, and the limiting plug is respectively attached to the first piston and the main body through a second O ring and a fourth O ring.

Furthermore, the inner snap ring is clamped with the main body and is annular.

Further, gasket, main sealing washer and first O circle are laminated each other, and the external diameter of main sealing washer is less than the external diameter of front end housing.

Compared with the prior art, the utility model provides a quick connector possesses following beneficial effect: this quick connector, simple structure, the part is few, and the installation is easy, saves manufacturing cost, and the leakproofness is good, and the management of the cost of being more convenient for is when guaranteeing the flow, connects also more firmly.

1. The utility model discloses a main part, fill into drive gas from main part port middle part, first piston can be moved forward, the second piston also can be driven, two-layer cylinder extrudes the main seal circle together, make the main seal circle extrusion deformation, reach sealed purpose, use the mode of cylindricality sealing washer, cylindricality main seal circle is not high to the sealed face requirement of product, the sealing range is wide, the sealing range can reach about 2mm, adopt first piston and the second piston of thin slice type, reduce the length of whole connector, adopt the mode of interior snap ring and spacing stopper in the middle of the dual piston, separate two cylinders, open a bleeder vent in the position of interior snap ring groove, eliminate the condition of vexed jar, moreover, the steam generator is simple in structure, the part is few, the installation is easy, save manufacturing cost;

2. the utility model can improve the sealing performance of the screw after the screw is installed through the test port screw and the sealing gasket, the leakage point of the test port is less, the sealing performance between the moving part and the contact surface in the connector can be improved only through the sealing position of the screw, the leakage rate is greatly reduced, the sealing performance between the moving part and the contact surface in the connector can be improved through the gasket, the first O ring, the second O ring, the third O ring, the fourth O ring and the fifth O ring, the sealing performance is stronger during the whole work, simultaneously, the whole connector adopts the same main body, the connector can adapt to different sealing ranges through the mode of replacing the sealing ring and the gasket, the sealing ring is convenient to process and assemble, the cost is more convenient to manage, the mode of D-shaped eccentric hole is adopted in the main body, the flow is ensured, and more threaded connections are provided for the test port screw, not limited to one direction, to make the connection stronger.

Drawings

FIG. 1 is a schematic view of the whole internal front view structure of the present invention;

FIG. 2 is a schematic view of the overall external left-side view structure of the present invention;

fig. 3 is a schematic view of the overall external three-dimensional structure of the present invention.

In the figure: 1. a main body; 2. a first piston; 3. a second piston; 4. a limiting plug; 5. a front end cover; 6. a gasket; 7. a primary seal ring; 8. a first O-ring; 9. a second O-ring; 10. a third O-ring; 11. a fourth O-ring; 12. a fifth O-ring; 13. an inner snap ring; 14. testing the screws; 15. a gasket is provided.

Detailed Description

As shown in figure 1, the quick connector comprises a main body 1 and a limiting plug 4, wherein a first piston 2 is arranged on one side inside the main body 1, a second piston 3 is arranged in the middle of the inner side of the main body 1, the limiting plug 4 is arranged at one end of the first piston 2, a front end cover 5 is arranged at one end outside the main body 1, a gasket 6 is arranged on one side inside the front end cover 5, a main sealing ring 7 is connected to the front of the gasket 6, a first O ring 8 is arranged in front of the main sealing ring 7, a second O ring 9 is arranged in the middle of the inner side of the limiting plug 4, a fourth O ring 11 is connected to the middle of the outer side of the limiting plug 4, a third O ring 10 is arranged on the surface outside the first piston 2, a fifth O ring 12 is arranged on one side outside of the second piston 3, an inner clamping ring 13 is arranged on the surface of one side of the limiting plug 4, a test port screw 14 is arranged in the middle of the lower portion of the second piston 3, and the test port screw 14 is communicated with the second piston 3, a sealing washer 15 is arranged in the middle of the outer side of the test port screw 14, and the sealing washer 15 is attached to the test port screw 14 and the second piston 3;

as shown in fig. 1-3, a first piston 2 and a second piston 3 are slidably connected with a main body 1, the outer diameter of the first piston 2 is the same as that of the second piston 3, the first piston 2 is attached to the main body 1 through a third O-ring 10, a limit plug 4 is respectively attached to the first piston 2 and the main body 1 through a second O-ring 9 and a fourth O-ring 11, an inner snap ring 13 is engaged with the main body 1, the inner snap ring 13 is annular, a gasket 6, a main seal ring 7 and a first O-ring 8 are attached to each other, the outer diameter of the main seal ring 7 is smaller than that of a front end cover 5, driving gas is filled from the middle of an end port of the main body 1 through the main body 1, the first piston 2 moves forward, the second piston 3 is also driven, two layers of cylinders together press the main seal ring 7 to deform the main seal ring 7, so as to achieve the purpose of sealing, the cylindrical main seal ring 7 has low requirement on the sealing surface of a product, the sealing range is wide and can reach about 2mm, the first piston 2 and the second piston 3 which are in a thin sheet type are adopted, the length of the whole connector is reduced, an inner snap ring 13 and a limiting plug 4 are adopted in the middle of a double piston to separate two cylinders, an air hole is formed in the position of a groove of the inner snap ring 13, the situation of cylinder stuffiness is eliminated, the structure is simple, parts are few, the installation is easy, the production cost is saved, a test gas live fluid can be introduced through a test port screw 14, the sealing performance after the test port screw 14 is installed can be improved through a sealing washer 15, the leakage point of the test port is few, the inside of a test piece is reached only through the sealing position of the test port screw 14, the leakage rate is greatly reduced, and the sealing performance between the moving piece and the contact surface in the connector can be improved through a gasket 6, a first O ring 8, a second O ring 9, a third O ring 10, a fourth O ring 11 and a fifth O ring 12, make whole during operation leakproofness stronger, same main part 1 is taken to whole connector simultaneously, through the mode of changing sealing washer and packing ring, adapts to different sealed scopes, no matter be processing, the assembly, it is all more convenient still to change the sealing washer, the management of the cost of being more convenient for, the inside mode (fig. 2) that adopts D type eccentric orfice of main part 1, when guaranteeing the flow, also possess more threaded connection for test port screw 14, do not confine to towards a direction, make the connection more firm.

The working principle is as follows: when the quick connector is used, firstly, the main body 1 is used, driving gas is filled from the middle of the port of the main body 1, the first piston 2 can move forwards, then the second piston 3 can be driven, the two layers of cylinders extrude the main sealing ring 7 together, so that the main sealing ring 7 is extruded and deformed to achieve the sealing purpose, the cylindrical sealing ring mode is used, the cylindrical main sealing ring 7 has low requirement on the product sealing surface, the sealing range is wide, the sealing range can reach about 2mm, the sheet-shaped first piston 2 and the sheet-shaped second piston 3 are adopted to reduce the length of the integral connector, then the double pistons are separated by adopting the mode of the inner snap ring 13 and the limiting plug 4, a vent hole is formed at the position of the groove of the inner snap ring 13 to eliminate the situation of cylinder blockage, at the moment, testing gas live fluid can be led in through the testing port screw 14, and then the sealing gasket 15 can improve the sealing performance after the testing port screw 14 is installed, the leakage point of the test port is few, only the sealing position of the screw 14 of the test port is inside the test piece, the leakage rate is greatly reduced, and finally the sealing performance between the moving piece inside the connector and the contact surface can be improved through the gasket 6, the first O ring 8, the second O ring 9, the third O ring 10, the fourth O ring 11 and the fifth O ring 12, so that the sealing performance is stronger during the whole work.

Claims

1. A quick connector comprises a main body (1) and a limiting plug (4), and is characterized in that a first piston (2) is arranged on one side of the inside of the main body (1), a second piston (3) is arranged in the middle of the inner side of the main body (1), the limiting plug (4) is arranged at one end of the first piston (2), a front end cover (5) is arranged at one end of the outside of the main body (1), a gasket (6) is arranged on one side of the inside of the front end cover (5), a main sealing ring (7) is connected to the front of the gasket (6), a first O ring (8) is arranged in front of the main sealing ring (7), a second O ring (9) is arranged in the middle of the inner side of the limiting plug (4), a fourth O ring (11) is connected to the middle of the outer side of the limiting plug (4), a third O ring (10) is arranged on the surface of the outer side of the first piston (2), a fifth O ring (12) is arranged on one side of the outside of the second piston (3), and an inner snap ring (13) is arranged on the surface of one side of the limiting plug (4).

2. A quick connector according to claim 1, characterized in that a test port screw (14) is mounted in the lower middle of the second piston (3), and the test port screw (14) is in communication with the second piston (3).

3. The quick connector according to claim 2, characterized in that a sealing washer (15) is arranged in the middle of the outer side of the test port screw (14), and the sealing washer (15) is attached to the test port screw (14) and the second piston (3).

4. A quick connector according to claim 1, characterized in that said first piston (2) and said second piston (3) are slidingly connected to the body (1) and in that the outer diameter of the first piston (2) is the same as the outer diameter of the second piston (3).

5. A quick connector according to claim 1, characterized in that the first piston (2) is attached to the body (1) by a third O-ring (10), and the stop plug (4) is attached to the first piston (2) and the body (1) by a second O-ring (9) and a fourth O-ring (11), respectively.

6. A quick connector according to claim 1, characterised in that the inner snap ring (13) is snap-fitted to the body (1) and the inner snap ring (13) is annular.

7. A quick connector according to claim 1, characterized in that the gasket (6), the main seal (7) and the first O-ring (8) are fitted to each other, and the outer diameter of the main seal (7) is smaller than the outer diameter of the front end cap (5).