CN217762554U

CN217762554U - Lock nut type quick connector with good sealing performance

Info

Publication number: CN217762554U
Application number: CN202221837657.XU
Authority: CN
Inventors: 陈王露; 刘佳利; 赵伯达
Original assignee: Wenzhou Laize Pneumatic Technology Co ltd
Current assignee: Wenzhou Laize Pneumatic Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-08
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to the technical field of quick-connection plugs, in particular to a lock female quick-connection plug with good sealing performance, which comprises a lock female quick-connection plug male head and a lock female quick-connection plug female head, wherein the outer wall of the lock female quick-connection plug male head is provided with a sealing mechanism, the outer wall of the lock female quick-connection plug female head is provided with a push sleeve, the outer wall of the push sleeve is provided with a sealing cover plate, and the inner wall of the sealing cover plate is provided with a sealing ring; sealing mechanism is including installing the fixed sleeve at the quick bayonet joint male joint outer wall of lock female formula, sealed gasbag is installed to fixed sleeve's inner wall, sealed gasbag's internally mounted has the honeycomb duct, the inside sliding connection of honeycomb duct has the piston board, the push rod is installed at the top of piston board, through setting up the quick bayonet joint male joint of lock female formula, the quick bayonet joint female joint of lock female formula and sealing mechanism, has solved the leakproofness of the quick bayonet joint of lock female formula relatively poor, the problem that liquid was revealed easily.

Description

Lock nut type quick connector with good sealing performance

Technical Field

The utility model relates to a quick connector technical field specifically is a female quick connector of formula of lock with sealing performance is good.

Background

The quick connector of lock female type is used for pipeline connection equipment, and its effect is in the quick connection of various hydraulic pressure pipelines, but the quick connector of lock female type still has the shortcoming, specifically is: the sealing performance of the locking nut type quick connector is poor, and liquid is easy to leak.

Therefore, a quick connector with a locking nut with good sealing performance is needed to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick connector of female formula of lock has good sealing performance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a locking female type quick connector with good sealing performance comprises a locking female type quick connector male head and a locking female type quick connector female head, wherein a sealing mechanism is arranged on the outer wall of the locking female type quick connector male head, a pushing sleeve is arranged on the outer wall of the locking female type quick connector female head, a sealing cover plate is arranged on the outer wall of the pushing sleeve, and a sealing ring is arranged on the inner wall of the sealing cover plate;

the sealing mechanism comprises a fixing sleeve arranged on the outer wall of a male connector of a locking female type quick connector, a sealing air bag is arranged on the inner wall of the fixing sleeve, a guide pipe is arranged inside the sealing air bag, a piston plate is connected inside the guide pipe in a sliding mode, a push rod is arranged at the top of the piston plate, a slide block is arranged at the top end of the push rod in the fixing sleeve, and a reset spring is arranged at the top of the piston plate.

As the utility model discloses preferred scheme, promote sleeve and sealed apron and make by the aluminum alloy, the sealing washer is made by silica gel.

As the utility model discloses preferred scheme, promote telescopic shape and fixed sleeve's shape looks adaptation, be interference fit between sealed apron and the promotion sleeve.

As the utility model discloses preferred scheme, the slider is the trapezium structure design, the shape of piston board and the shape looks adaptation of honeycomb duct.

As the utility model discloses preferred scheme, be interference fit between piston board and the honeycomb duct, air-tight bag is provided with two sets ofly, honeycomb duct, piston board, push rod and slider all are provided with the multiunit.

As the utility model discloses preferred scheme, fixed sleeve, push rod and slider are made by the aluminum alloy, reset spring is fixed connection with the connected mode of honeycomb duct.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the public head of the female quick connector of formula of lock, female quick connector of formula of lock female and sealing mechanism, the workman is using the public head of the female quick connector of formula of lock, when the quick connector of formula of lock female and sealing mechanism carry out the pipe connection, the workman will lock the public quick connector of formula female and insert in the quick connector of formula female of lock female, fixed sleeve inserts in promoting the sleeve, it can extrude the slider to promote the sleeve, trapezoidal structure design's slider can turn into the extrusion force of vertical direction with horizontal direction's thrust, the slider moves down under the extrusion force effect of vertical direction, the slider passes through the push rod and drives piston plate inward movement, in the piston plate sends the air in the draft tube into sealed airbag, sealed airbag's volume increase, expanded sealed airbag can seal the quick connector of formula female and the quick connector of lock female and the quick connector of formula female connection part of lock female, thereby prevent that liquid from the public head of the quick connector of formula female of lock female and the quick connector of formula female junction of lock female junction of formula from revealing problem, the easy leakage of the quick connector of the sealed problem of the female.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a front sectional view of the present invention during assembly.

In the figure: 1. locking a female quick connector male head; 2. locking a female quick connector female head; 3. a sealing mechanism; 4. pushing the sleeve; 5. a sealing cover; 6. a seal ring; 31. fixing the sleeve; 32. sealing the air bag; 33. a flow guide pipe; 34. a piston plate; 35. a push rod; 36. a slider; 37. a return spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, please refer to fig. 1-3, the present invention provides a technical solution:

a locking female type quick connector with good sealing performance comprises a locking female type quick connector male head 1 and a locking female type quick connector female head 2, wherein a sealing mechanism 3 is arranged on the outer wall of the locking female type quick connector male head 1, a pushing sleeve 4 is arranged on the outer wall of the locking female type quick connector female head 2, a sealing cover plate 5 is arranged on the outer wall of the pushing sleeve 4, and a sealing ring 6 is arranged on the inner wall of the sealing cover plate 5;

the pushing sleeve 4 and the sealing cover plate 5 are made of aluminum alloy, the pushing sleeve 4 and the sealing cover plate 5 made of aluminum alloy are light in weight and convenient to carry, the sealing ring 6 is made of silica gel, the shape of the pushing sleeve 4 is matched with that of the fixing sleeve 301, and the sealing cover plate 5 is in interference fit with the pushing sleeve 4;

in this embodiment, referring to fig. 1 and 2, the sealing mechanism 3 includes a fixing sleeve 301 mounted on the outer wall of the locking female type quick connector male 1, a sealing air bag 302 is mounted on the inner wall of the fixing sleeve 301, a flow guide tube 303 is mounted inside the sealing air bag 302, a piston plate 304 is slidably connected inside the flow guide tube 303, a push rod 305 is mounted on the top of the piston plate 304, a slider 306 is mounted at the top end of the push rod 305 and inside the fixing sleeve 301, and a return spring 307 is mounted on the top of the piston plate 304;

the sliding block 306 is designed to be a trapezoid structure, the sliding block 306 designed to be a trapezoid structure can convert horizontal thrust of the push sleeve 4 into vertical thrust when being assembled, so that the push rod 305 is pushed to move downwards, the shape of the piston plate 304 is matched with that of the guide pipe 303, the piston plate 304 is in interference fit with the guide pipe 303, the sealed air bag 302 is provided with two groups, the guide pipe 303, the piston plate 304, the push rod 305 and the sliding block 306 are provided with multiple groups, the fixed sleeve 301, the push rod 305 and the sliding block 306 are made of aluminum alloy, the strength structure of the fixed sleeve 301 made of aluminum alloy is long in service life, the connection mode of the reset spring 307 and the guide pipe 303 is fixed, a worker uses the locking female quick-plug male connector 1, the locking female quick-plug female connector 2 and the sealing mechanism 3 to conduct pipeline connection, the worker inserts the locking female quick-plug connector male connector 1 into the locking female connector 2, the fixed sleeve 301 is inserted into the push sleeve 4, the push sleeve 4 can extrude the sliding block 306, the sliding block 306 designed to convert horizontal thrust into the sliding block 306, extrusion force of the sliding block 306 in the vertical direction, the sliding block 306 can drive the piston plate to move towards the sealed air bag 302, and prevent the piston plate 302 from moving out of the sealed air bag 304.

The utility model discloses work flow: when a worker uses the locking female type quick-connection-peg male head 1, the locking female type quick-connection-peg female head 2 and the sealing mechanism 3 to connect a pipeline, the worker takes down the sealing cover plate 5 on the pushing sleeve 4, the worker inserts the locking female type quick-connection-peg male head 1 into the locking female type quick-connection-peg female head 2, the fixing sleeve 301 is inserted into the pushing sleeve 4, the pushing sleeve 4 can extrude the sliding block 306, the sliding block 306 with the trapezoidal structure design can convert the horizontal thrust into the vertical extrusion force, the sliding block 306 moves downwards under the action of the vertical extrusion force, the sliding block 306 drives the piston plate 304 to move inwards through the push rod 305, the piston plate 304 sends the air in the guide pipe 303 into the sealing air bag 302, the volume of the sealing air bag 302 is increased, the expanded sealing air bag 302 can seal the connection part between the locking female type quick-connection-peg male head 1 and the locking female type quick-connection-peg female head 2, and the worker can plug the sealing cover plate 5 into the sealing cover plate 4 again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick connector of female formula of lock with sealing performance is good, includes the quick connector male joint of female formula of lock (1) and the quick connector female joint of female formula of lock (2), its characterized in that: the outer wall of the lock female type quick connector male head (1) is provided with a sealing mechanism (3), the outer wall of the lock female type quick connector female head (2) is provided with a pushing sleeve (4), the outer wall of the pushing sleeve (4) is provided with a sealing cover plate (5), and the inner wall of the sealing cover plate (5) is provided with a sealing ring (6);

sealing mechanism (3) is including installing fixed sleeve (301) at the public head of the fast bayonet joint of lock female type (1) outer wall, sealed gasbag (302) are installed to the inner wall of fixed sleeve (301), the internally mounted of sealed gasbag (302) has honeycomb duct (303), the inside sliding connection of honeycomb duct (303) has piston board (304), push rod (305) are installed to the top of piston board (304), slider (306) are just installed in fixed sleeve (301) on the top of push rod (305), reset spring (307) are installed at the top of piston board (304).

2. The quick connector of claim 1, which is a locking nut with good sealing performance, and is characterized in that: the pushing sleeve (4) and the sealing cover plate (5) are made of aluminum alloy, and the sealing ring (6) is made of silica gel.

3. The quick connector with the locking nut and good sealing performance as claimed in claim 1, characterized in that: the shape of the pushing sleeve (4) is matched with that of the fixing sleeve (301), and the sealing cover plate (5) is in interference fit with the pushing sleeve (4).

4. The quick connector with the locking nut and good sealing performance as claimed in claim 1, characterized in that: the sliding block (306) is designed to be of a trapezoidal structure, and the shape of the piston plate (304) is matched with that of the flow guide pipe (303).

5. The quick connector of claim 1, which is a locking nut with good sealing performance, and is characterized in that: be interference fit between piston board (304) and honeycomb duct (303), sealed gasbag (302) are provided with two sets ofly, honeycomb duct (303), piston board (304), push rod (305) and slider (306) all are provided with the multiunit.

6. The quick connector with the locking nut and good sealing performance as claimed in claim 1, characterized in that: the fixed sleeve (301), the push rod (305) and the sliding block (306) are all made of aluminum alloy, and the return spring (307) is fixedly connected with the guide pipe (303).