CN204328304U - Quick coupler - Google Patents

Abstract

The utility model relates to a quick disassembly and assembly connection device, in particular to a novel quick connector. A new type of quick connector, including a male connector and a female connector. The male connector includes a plug, a plug connector body, a plug valve core and a plug valve seat. The end is connected to the plug spool rod, the plug spool rod is connected to the plug spool sleeve valve core, the rear end of the plug spool rod sleeve is provided with a plug spool sleeve valve seat, and the female joint includes a shell, a shell joint Body, triangular valve and shell valve core, the shell valve seat cover is arranged on the inner wall of the left end of the shell, and the shell valve core is horizontally set in the center of the shell, the left end of the shell valve core is connected with the triangle valve, and the shell valve A shell valve sleeve is arranged between the right end of the core and the shell, a bushing is set on the upper part of the shell valve sleeve, and a jacket is set on the outer wall of the right side of the shell. The advantages of the utility model are that the flow path is controlled by the bushing and the casing valve sleeve, and the pressure relief of the male joint is multi-stage, so as to ensure various working environments.

Description

New quick connector

technical field

The utility model relates to a quick disassembly and assembly connection device, in particular to a novel quick connector.

Background technique

Quick connectors include hydraulic quick connectors and various fluid quick connectors. It is a connection device that quickly connects or disconnects pipelines and realizes quick disassembly. Because the quick connector has a two-way check function and the pipeline is disconnected without leakage, it is widely used in the fields of petroleum, metallurgy, hydropower, construction machinery, ships, and electromechanical equipment. Therefore, the design of the fluid channel is very important. At present, the traditional valve seat is small and can only be drilled with multiple small holes. Therefore, the flow area is not enough, which affects the flow capacity, and the cost is high.

Contents of the invention

In order to solve the above-mentioned technical problem of insufficient fluid area, the utility model provides a new type of quick connector.

The technical scheme of the utility model is as follows:

A new type of quick connector, including a male connector and a female connector. The male connector includes a plug, a plug connector body, a plug valve core and a plug valve seat. The right part of the plug is covered with a plug connector body. Contact, the lower part of the plug valve seat is close to the front and rear ends of the plug valve core rod sleeve, the lower part of the plug valve seat is set horizontally, the plug valve core rod is arranged under the plug valve core rod sleeve, and the left end of the plug valve core rod is located on the plug valve core rod On the left side of the cover, the front end of the plug spool rod is inside the side wall of the plug spool, the rear end of the plug spool rod is connected to the plug spool rod, the plug spool rod is connected to the plug spool sleeve spool, and the plug spool rod The rear end of the sleeve is provided with a plug valve core sleeve valve seat, the connecting block on the plug valve core sleeve valve core is close to the plug valve core rod sleeve, and the plug valve core can drive the plug valve core rod and the plug valve core rod sleeve to the right to move to the right. , the female joint includes a housing, a housing joint body, a triangular valve and a housing spool. There is a round hole in the center of the triangular valve, and three supporting ribs are arranged at 120 degrees around the valve seat of the triangular valve. The left part of the housing is covered with a shell body joint body, the inner wall of the left end of the housing is provided with a housing valve seat cover, a triangle valve is provided between the housing joint body and the housing valve seat cover, and a housing valve core is horizontally provided at the center of the housing, and the housing valve core The left end is connected with the triangular valve, the housing valve sleeve is provided between the right end of the housing valve core and the housing, the upper part of the housing valve sleeve is provided with a bushing, and the bushing is provided with a protrusion for clamping the housing. The housing valve sleeve, the bushing and the housing valve seat sleeve are all provided with springs, the bushing and the housing valve core block the housing, and the outer wall of the right side of the housing is sleeved with an outer sleeve, and the outer sleeve and the plug are threaded. The left side of the plug is flat and concave on the outside.

Using the technical scheme of the utility model, the flow channel is controlled by the bushing and the casing valve sleeve, the bushing is restricted by the recess of the casing and cannot move to the right, the plug pushes the bushing to open the flow path, and the male joint is relieved in multiple stages to ensure Various working environments.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structural representation of male plug of the present utility model;

Fig. 3 is a structural schematic diagram of the female plug of the present invention.

Detailed ways

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

Example

The new type of quick connector shown in Figures 1, 2, and 3 includes a male connector and a female connector. The right part is covered with a plug connector body 4, the upper part of the plug valve seat 5 is in contact with the inner wall of the plug connector body 4, the lower part of the plug valve seat 5 is close to the front and rear ends of the plug valve core rod sleeve 38, and the lower part of the plug valve seat 5 is horizontally arranged. The rear end of the lower part of the plug valve seat 5 is thicker than the front section. In order to prevent impact, it is more complete, and the inner wall of the plug 2 is provided with an inclined surface, and the inclination angle is greater than or equal to 60 degrees. 5 is cushioned, also guaranteed flow rate, and plug spool rod 17 is provided with plug spool rod cover 38 below, and the left end of plug spool rod 17 is positioned at plug spool rod cover 38 left sides, and described plug spool rod 17 The front end is in the side wall of the plug spool 6, the rear end of the plug spool rod 17 is connected to the plug spool rod 39, the plug spool rod 39 is connected to the plug spool sleeve spool 37, the rear end of the plug spool rod sleeve 38 A plug spool cover valve seat is provided, and the connection block on the plug spool cover spool 37 is close to the plug spool rod cover 38, and the plug spool 6 can drive the plug spool rod 17 and the plug spool rod cover 38 to the right. Right movement, the female joint includes a housing 1, a housing joint body 15, a triangular valve 16 and a housing valve core 26, the left part of the housing 1 is covered with a housing joint body 15, and the inner wall of the left end of the housing 1 is provided with a housing Valve seat sleeve 25, a triangle valve 16 is arranged between the housing joint body 15 and the housing valve seat sleeve 25. There is a round hole in the center of the triangle valve, and three support ribs are arranged at 120 degrees around the triangle valve seat. When used as a guide support for positioning, it has good centering and guiding properties and stable performance. It can occupy a small space and have the largest circulation area. It adopts no cutting, no processing, and a clean appearance. The center of the shell 1 is horizontally equipped with a shell Spool 26, the left end of the housing spool 26 is connected to the triangular valve 16, a housing valve sleeve 24 is provided between the right end of the housing spool 26 and the housing 1, and a bushing is provided on the upper part of the housing valve sleeve 24 20, the bushing 20 is provided with a protrusion for clamping the casing, the casing valve sleeve 24, the bushing 20 and the casing valve seat sleeve 25 are all provided with springs, and the bushing 20 and the casing valve core 26 are blocked The casing 1 is provided with an outer wall on the right side of the casing 1, and the outer casing 3 and the plug 2 are screwed together.

The outside of the left side of the plug is flat and concave.

When in use, the male joint and the female joint cooperate, the left side of the plug 2 moves the bushing 20 to the left, the bushing 20 drives the housing valve sleeve 24 to move to the left, and the housing valve core 26 pushes the plug valve core 6 to move to the right , so that the plug spool rod a 17 drives the plug spool rod b39, so that the plug spool sleeve spool 37 is far away from the rear end of the plug spool rod sleeve 38, and the plug spool rod sleeve 38 is in contact with the plug spool rod b39. The plastic ring of the plug spool sleeve is to relieve the pressure when the fluid enters. The plug spool rod a17 continues to move to the right so that the plug spool rod cover 38 is away from the contact part of the plug valve seat 5 , and the plug valve seat 5 and the plug connector body 4 A plug valve seat O-ring is provided between them, and a plug valve core sleeve sealing gasket is provided at the contact point between the plug valve core rod sleeve 38 and the plug valve seat 5, and finally the plug 2 is locked by the overcoat 3.

Claims (1)

1. quick coupler, comprise male connector and negative joint, it is characterized in that: described male connector comprises plug (2), plug connector body (4), plug spool (6) and plug valve seat (5), plug (2) right part cover has plug connector body (4), described plug valve seat (5) top and plug connector body (4) contact internal walls, plug valve seat (5) bottom and plug valve core rod cover (38) rear and front end near, described plug valve core rod cover (38) below is provided with plug valve core rod a(17), plug valve core rod a(17) left end is positioned at plug valve core rod cover (38) left side, described plug valve core rod a(17) front end is in plug spool (6) sidewall, plug valve core rod a(17) rear end attachment plug valve core rod b(39), described plug valve core rod b(39) attachment plug valve core housing spool (37), described plug valve core rod cover (38) rear end is provided with plug valve core housing valve seat, contiguous block on plug valve core housing spool (37) is near plug valve core rod cover (38), plug spool (6) can drive plug valve core rod a(17 to the right) and plug valve core rod cover (38) move right, described negative joint comprises housing (1), shell joint body (15), triangle vavle (16) and housing spool (26), there is a circular hole at triangle vavle center, around triangle vavle valve seat, 120 degree etc. are arranged with three supporting ribs, housing (1) left part cover has shell joint body (15), housing (1) left end inwall is provided with housing valve seat cover (25), triangle vavle (16) is provided with between shell joint body (15) and housing valve seat cover (25), housing (1) central horizontal is provided with housing spool (26), described housing spool (26) left end is connected with triangle vavle (16), housing valve pocket (24) is provided with between described housing spool (26) right-hand member and housing (1), housing valve pocket (24) top is provided with lining (20), lining (20) is provided with the projection of establishing housing (1) in order to card, described housing valve pocket (24) is equipped with spring with lining (20) and housing valve seat cover (25), lining (20) and housing spool (26) block housing (1), the sheathed overcoat of housing (1) outer right wall (3), described overcoat (3) and plug (2) are threaded, the smooth depression of described plug (2) left hand external.