KR100951058B1 - Receptacle connector assembly - Google Patents

Abstract

The present invention relates to a receptacle connection device constituting a fuel charge coupler, and in particular, to securely fasten the coupling of the receptacle and to control the fuel injection.

To this end, the present invention provides a housing assembly formed so as to communicate with the pressure feed pipe of the coupler functioning as a fuel supply passage, a check valve tube and a housing assembly sliding out from the interior of the housing assembly and configured to control supply and interruption of fuel. It is placed so as to surround the connecting tube formed with a hook ring groove on the outer circumferential surface of the front end, and is slid forward and back by being in close contact with the outer circumferential surface of the connecting pipe. It provides a receptacle connector assembly characterized in that it includes a clip-base that is reduced and enlarged.

Receptacle, Clip Earth, Coupler, Collet

Description

Receptacle connector assembly

The present invention relates to a receptacle connector assembly for use in a fuel charging coupler, and more particularly, to securely fasten the coupling of the receptacle and to control fuel injection.

In recent years, the use of clean fuels has been increased to reduce air pollution.

Accordingly, as the number of automobiles using gas, which is one of the clean fuels, increases, the gas charging station for charging the gas increases, so that the occurrence of safety accidents and the safety accidents caused by the handling of the gas are increased. Occurrence is increasing.

COUPLER is used to prevent the above accidents in advance.

This refers to a component used to facilitate the separation and installation at the same time to prevent the risk of gas leakage at the inlet for injecting gas in a variety of vehicles using high-pressure gas.

Common gas accidents include a charger for charging gas, a supply pipe connecting the charger and the gas storage tank, and a coupler connecting the supply pipe and the gas storage tank, starting from the state in which the gas is being charged. Gas leakage caused by one of the breakages is the most frequent cause of large accidents caused by the explosion of leaked gas.

On the other hand, a receptacle to which a nozzle mounted and used to fill fuel to the fuel inlet of the vehicle is coupled is essentially used.

In addition, the receptacle is also used for the purpose of preventing backflow of the gas injected from the outside.

Therefore, since the coupler and the receptacle are frequently used to be mounted to each other, the coupling structure must be firmly connected because it is a connection part to be connected and disconnected each time, and the gas of sound speed passes.

However, rotational flow is generated in the coupling part by having a structure in which the coupler is fitted to the weak part of the coupler connecting the supply pipe and the gas storage tank and the end of the receptacle.

At this time, a part such as a valve and a spring to be connected may be damaged.

Due to the above reasons, the damaged receptacle and coupler are left unrecognized, which adversely affects the working environment due to the evaporated gas leaking during fuel injection or when the injection is completed.

That is, the problem of the risk of fire due to the overflow of the fuel (flow) and the leaked gas is caused by the evaporated gas flows into the human body of the operator or the discharge of the evaporated gas.

Therefore, the applicant of the present invention came to focus on the receptacle coupling structure that is applied to the coupler is composed of a structure that is more robust and airtight when mounting the receptacle to the coupler.

The present invention has been made to solve the above problems, the object is to separate the receptacle to the coupler used to prevent the risk of gas leakage in the inlet for injecting gas in various vehicles using high-pressure gas In addition, the present invention provides a receptacle connector assembly, which is not only easier at the time, but also firmly and tightly connects the coupling structure to prevent large accidents caused by gas leakage, thereby improving safety according to gas filling.

In order to solve the above problems, the present invention is a housing assembly formed so as to communicate with the pressure pipe of the coupler functioning as a fuel supply passage, the check valve formed to slide out from the interior of the housing assembly and to control the supply and shutoff of fuel. A connecting tube which is positioned to surround the tube and the housing assembly, and has a hook ring groove formed on the outer circumferential surface of the front end, close to the outer circumferential surface of the connecting tube, and slides before and after, and a moving tube having a rounded jaw formed on the outer circumferential surface of the rear end. Provided is a receptacle connector assembly characterized by including a clip-locking strip that shrinks and expands in diameter as it slides.

According to the receptacle connector assembly according to the embodiment of the present invention as described above, the receptacle is to be detached and mounted on the coupler used to prevent the risk of gas leakage at the inlet for injecting gas in various vehicles using high pressure gas. In addition to making it easier to use, it is also effective to improve the safety according to the gas filling operation by preventing the large accidents due to gas leakage by firmly and tightly coupling the coupling structure.

According to the present invention for achieving the above object, the housing assembly formed so as to communicate with the pressure feed pipe of the coupler functioning as the fuel supply passage and the check is formed to slide out from the interior of the housing assembly and to control the supply and shut off of the fuel. A connecting tube which is positioned to surround the valve tube and the housing assembly, and has a locking ring groove formed on the outer circumferential surface of the front end and is in close contact with the outer circumferential surface of the connecting pipe and slid forward and backward, and a moving tube and one end of which is formed on the outer circumferential surface of the rear end is fastened to the locking ring groove. A receptacle connector assembly is provided which includes a clip-locking zone whose diameter is reduced and enlarged as it slides back and forth.

In addition, it is preferable that the head case further comprises a round jaw is formed on the inner peripheral surface of the front end.

In addition, the check valve tube is protruded by the first coil spring in the housing hole formed inside the housing assembly, and emerged from the housing assembly, sliding with respect to the inner circumferential surface of the connecting tube body, the outlet hole is formed in the perforated side It is preferable that a check valve tube is included.

In addition, the movable tube is preferably one end of the second coil spring is located on the annulus formed on the outer peripheral surface of the rear end and the other end is supported by being supported by the annulus of the head case.

In addition, it is preferable that the clip-based strip is formed with an undercut of the inner circumferential surface of the shear, and an enlarged diameter portion of which the diameter gradually increases toward the front side is formed on the outer circumferential surface of the shear.

Hereinafter, with reference to a preferred embodiment of the accompanying drawings, looks at the configuration and operation of the receptacle connector assembly according to the present invention in more detail.

1 is a perspective view illustrating a state in which a receptacle connector assembly according to an embodiment of the present invention is applied to and coupled to a coupler.

2 is an exploded perspective view showing a state in which only the connector assembly according to an embodiment of the present invention is disassembled from the coupler shown in FIG. 1.

Figure 3 is a partial cross-sectional view showing the main portion of the coupler coupled to the receptacle connector assembly according to an embodiment of the present invention.

Figure 4 is a partial cross-sectional view showing the main portion of the receptacle coupled to the coupler is applied to the receptacle connector assembly according to an embodiment of the present invention.
In the following detailed description of the present invention, a number of front or rear directions used in the present invention refers to a rear direction closer to the coupler 10 when viewed in each detailed configuration. The side closer to (40) means the front direction.

Receptacle connector assembly according to an embodiment of the present invention is used is mounted to the coupler (10).

However, the coupler 10 is a component that is used to prevent the risk of gas leakage at the injection port for injecting gas in various vehicles using a high-pressure gas, and at the same time to facilitate separation and mounting.

At the same time, the receptacle connector assembly according to an embodiment of the present invention can be selectively detached and mounted with respect to the coupler 10 in which the connecting means is formed so as to correspond to each other in production.

In this case, the housing assembly 100 is connected to communicate with the pressure feed pipe 30 through which the fuel is discharged through the coupler 10.

However, the pressure feed pipe 30 refers to a conventional fluid pipe formed to supply fuel in the coupler 10.

That is, it is preferable to be connected to the pressure feeding pipe 30 and to be coupled to each other by coupling means such as screwing or interference fitting to the end of the coupler 10.

On the other hand, the check valve tube 200 is formed in the housing assembly 100 so that one end of the first coil spring 120 is supported and supported by the other end.

At this time, the check valve pipe 200 is provided with a discharge hole 210 formed in the perforated close to the rear end.

Here, the outlet hole 210 is preferably formed to form a hole along the circumference of the check valve pipe (200).

That is, the check valve tube 200 is slid before and after the inside of the housing assembly 100 and is formed so that the outflow hole 210 can be sunk.

In more detail, when the check valve tube 200 is introduced into the housing assembly 100, the outlet hole 210 enters the interior of the housing assembly 100 so that the outlet valve 210 communicates with the outlet hole 210. Is formed.

In addition, when the check valve tube 200 is drawn out of the housing assembly 100, the outflow hole 210 is formed to be out of the housing assembly 100.

On the other hand, the housing assembly 100 is provided with a predetermined space so that the check valve pipe 200, which will be described later, is supported by the first coil spring 120 to be slid back and forth to form the housing hole 110. do.

In addition, the connector assembly 300 which serves as a guide so that the check valve tube 200 can be slid horizontally before and after the check valve tube 200 is indented with respect to the housing assembly 100, the housing assembly 100 and the check valve tube ( The outer circumferential surface of the 200 is simultaneously wrapped to be in close contact.

In addition, the connection pipe 300 is provided with a hook ring groove 310 on the outer peripheral surface close to the front end is formed so that the rear end of the clip-based strip 500 to be described later can be locked.

On the other hand, the moving pipe 400 is positioned to surround the outer circumferential surface of the connecting pipe 300 and slide back and forth.

At the same time, the outer case of the moving tube 400 is formed so as to surround the head case 600 which will be described later to be fixed.

Meanwhile, the rear jaw 410 is formed at the rear end of the moving tube 400, and the round jaw 610 is formed at the rear end of the head case 600.

At this time, the second coil spring 420 is installed between the round jaw 410 and 610 so that the moving pipe 400 is supported by the head case 600 and is simultaneously slid.

In addition, the head case 600 is preferably screwed with respect to the front end of the coupler 10 to serve to protect the internal components.

As described above, the moving pipe 400 is slid along the outer circumferential surface of the connecting pipe 300, but forms a pressure member 20 to be closely attached to the rear end of the moving pipe 400 to be interlocked with each other.

At this time, it is preferable that the pressing member 20 is formed in a bar shape made of a hard material so as to sufficiently transmit pressure.

At this time, the pressing member 20 is formed to support the rear end of the moving tube 400 carried by the second coil spring 420 and to be pressed to the front side at the same time.

That is, it is preferable that the moving tube 400 is interlocked to the front side when the pressing member 20 is pressurized by providing means for pressing the pressing member 20 to the front side.

On the other hand, the inner circumferential surface of the rear end of the clip-based strip 500 is undercut so that the rear end of the locking ring groove 310 of the connecting pipe 300 and the rear end of the clip-based strip 500 will be described later.

That is, the rear end of the clip-based strip 500 is formed to be fixedly coupled by the locking ring groove 310 of the connecting pipe (300).

The clip region 500 has an enlarged diameter portion 520 of a shape that gradually increases in diameter toward the front side of the front outer peripheral surface is formed.

However, the clip-based strip 500 has a cylindrical tubular shape is formed a plurality of slits in the longitudinal direction along the circumference (collet-) that can be retracted or opened in the radial direction by the action of an external force. It is preferable to form in the form (not shown).

In addition, the undercut 510 is processed on the front inner circumferential surface of the clip region 500 so that the end of the receptacle 40 is tightened and fixed at the same time when the receptacle 40 is engaged.

That is, when the inner circumference of the front end of the moving tube 400 passes through the enlarged diameter portion 520 in the process of moving the moving tube 400 to the front side, the front end of the clip interface 500 is tightened and the receptacle (510) is undercut by the undercut 510. The end of 40 is firmly fixed.

In addition, when the moving pipe 400 moves to the rear side, and the front end inner edge of the moving pipe 400 deviates from the enlarged diameter part 520, the diameter of the front end of the clip engaging region 500 is formed to be expanded again.

Hereinafter, the operation relationship of the receptacle connector assembly according to the embodiment of the present invention will be described in detail.

In the state before the receptacle 40 is coupled to the coupler 10 as shown in FIG. 3, the moving tube 400 is pressed against the pressing member 20 by the pushing force of the second coil spring 420.

At this time, since the moving tube 400 is spaced apart from the enlarged diameter portion 520 of the clip engaging region 500, the clip engaging region 500 has a diameter that increases in the shear direction as in the collet form that is commonly used. maintain.

In addition, since the check valve tube 200 is pushed out by the pushing force of the first coil spring 120 which is supported inside the housing hole 110, the outflow hole 210 is different from the inside of the housing hole 110. It stays blocked.

Meanwhile, as shown in FIG. 4, when the receptacle 40 is coupled to the coupler 10, the end of the receptacle 40 presses the end of the check valve tube 200.

At this time, the check valve tube 200 is supported by the first coil spring 120 and at the same time is introduced into the housing hole 110.

At this time, the outlet hole 210 is introduced into the housing hole 110 and at the same time communicated with each other by the fuel pumped through the pressure feed pipe 30 through the check valve tube 200 can exit the receptacle 40 Becomes

In addition, when an external force is applied to the pressing member 20 to the front side, the moving pipe 400 is supported by the first coil spring and interlocked to the front side.

At this time, the inner peripheral surface of the front end of the moving tube 400 and the enlarged diameter portion 520 of the clip measuring region 500 abuts, and as the moving tube 400 is gradually moved to the front side, the enlarged diameter portion 520 is retracted. The undercut 510 of 500 is engaged with the receptacle 40 to be hermetically and firmly fixed.

That is, the flow of fuel is blocked before the receptacle 40 is coupled, so the discharge of fuel is blocked in that state, and the fuel can be supplied only when the receptacle is coupled, and the receptacle (not shown) is clipped by the clip stop 500. The combination with 40 becomes confidential and solid.

This prevents unnecessary leakage of fuel, and therefore is an adult in the safety and efficiency.

1 is an exploded perspective view showing a state in which the receptacle connector assembly is separated according to an embodiment of the present invention.

Figure 2 is a perspective view showing a state in which the receptacle connector assembly is applied to the coupler coupled according to an embodiment of the present invention.

3 is a cross-sectional view of a receptacle connector assembly according to one embodiment of the present invention.

4 is a cross-sectional view showing a state in which a receptacle connector assembly and a receptacle are coupled according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: coupler 20: pressing member

30: pump pipe 40: receptacle

100: housing assembly 110: housing hole

120: first coil spring 200: check valve tube

210: outflow hole 300: connector

310: jam ring groove 400: moving tube

410: round jaw 420: second coil spring

500: clip zone 510: undercut

520: diameter 600: head case

610: Thrill

Claims (5)

A housing assembly configured to be in communication with a pressure feed pipe of a coupler functioning as a fuel supply path; A check valve tube slid out from the inside of the housing assembly and configured to control supply and shut off of fuel; A connecting tube positioned to surround the housing assembly and having a locking ring groove formed on an outer circumferential surface of the front end; A moving tube which is in close contact with the outer circumferential surface of the connecting pipe and slides forward and backward, and has a round jaw formed on the outer circumferential surface of the rear end; And Receptacle connector assembly characterized in that it comprises a clip engaging region that is reduced in diameter and enlarged as one end is fixed to the engaging ring groove and the moving tube slides back and forth. The receptacle connector assembly according to claim 1, further comprising a head case having a round jaw formed at the inner circumferential surface of the front end. The method of claim 1, wherein the check valve tube In the housing hole formed inside the housing assembly is carried out by the first coil spring is indented from the housing assembly, sliding against the inner circumferential surface of the connecting pipe, the check valve tube is formed on the side close to the rear end perforated outflow hole formed Receptacle connector assembly. The method of claim 2, wherein the moving tube Receptacle connector assembly characterized in that one end of the second coil spring is located on the annulus formed on the outer peripheral surface of the rear end and the other end is supported by the annulus of the head case. The method of claim 1, wherein the clip earth is Receptacle connector assembly characterized in that the inner peripheral surface of the front end is formed of an undercut and the enlarged diameter portion is gradually increased in the front outer peripheral surface toward the front side.

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