KR101282642B1 - Female connector for quick connector - Google Patents

Abstract

PURPOSE: A female member for a quick connector is provided to obtain a simple structure and to easily assembly the connector by inserting an elastic spring in which a rib is equipped into the outer circumference surface of a female member body. CONSTITUTION: A female member for a quick connector comprises a female member body (200). The female member body is installed to surround the outer circumference by an elastic spring (210) in which a rib (211) transferring along the outer circumference surface is equipped. The elastic spring includes a plurality of protrusion units (212) with a predetermined interval to be protruded in an inner space of the female member body at the predetermined position. The female member body includes a slit (220) which is formed to insert each protrusion unit. The distance of both ends in the slit is formed to be short as following to a central side of the female member body and a recessed groove (230) is formed to settle the edge of the protrusion unit between the neighboring slits.

Description

Female member for quick connector {FEMALE CONNECTOR FOR QUICK CONNECTOR}

The present invention relates to a quick connector arm member, and more particularly, for quick connector for easy use by turning the rib along the outer circumference of the arm member body without using a tool to make the connector detachable It relates to an arm member.

In general, a quick connector (or quick coupler) is widely used to connect and disconnect a hose or fuel supply line easily and quickly in a home or a factory.

Patent Document 1 discloses such a conventional quick coupler. This quick coupler, the internal contamination of the quick coupler can be easily identified with the naked eye, and easy to disassemble and assemble the parts to be reused after cleaning the parts.

Patent document 2 discloses another quick coupler, by providing two o-rings on the inner surface of the valve body that the mechanical contact is made and filling the lubricating oil in the space between the o-rings to minimize the loss of lubricant This is because the O-ring to function for a long time to use.

However, such a conventional quick coupler has the following problems.

(1) There was a difficulty in manufacturing due to the complicated structure for separating the male member and the female member body.

(2) If the diameter of the pipe (or tube) is small, the quick coupling can be removed without the use of a tool, but if the diameter is large, it is cumbersome to remove it using a tool.

(3) As the number of parts is large, many steps are required for manufacturing, and since assembly is required in order according to the assembling order, it acts as a factor to lower the assembly efficiency.

Korea Patent Registration No. 10-1082539 (Registration Date: 2011. 11. 04) Korea Registration Room No. 20-0283793 (Registration Date: 2002. 07. 18)

The present invention has been made in view of the above-mentioned, the structure is simple, by allowing the user to unlock the quick connector by a simple operation of rotating the rib by hand, anyone can quickly and easily combine and disconnect quick use It is an object to provide a female member for a connector.

In addition, the present invention has another object to provide a quick connector arm member that can be used by assembling the quick connector simply because the elastic spring having a rib is inserted into the outer peripheral surface of the arm member body simply assembly.

The quick connector arm member according to the present invention for achieving the above object is, in the outer member is a female member configured to be connected to and detachable from the male member of the quick connector with a flange portion projecting along the circumference, the end of the male member is It is fitted, the elastic member having a rib moving along the outer circumferential surface is provided with an arm member body to surround the outer circumference; The elastic spring is a plurality of predetermined intervals so as to project inward of the arm member body at a predetermined position The protrusion of the bent is formed, The arm member body is provided with a slit cut to form the respective protrusion; The slit is characterized in that the distance between the two ends is formed shorter toward both ends of the arm member body, the groove is formed so that the attachment of the protrusion between the adjacent slits can be seated.

In particular, the arm member body is characterized in that the groove is formed so that the attachment of the protrusion is seated between the adjacent slits.

In addition, at the surface where the male member and the female member body abut each other, at least one guide hole and a guide protrusion are formed in order to guide the male member to be oriented and fitted.

Finally, the elastic spring is characterized in that both ends are open so that it can be fitted to the arm member body.

According to the quick connector arm member of the present invention has the following effects.

(1) The structure is simple and the quick connector can be unlocked simply by rotating the rib along the outer circumferential surface of the arm member body.

(2) Since the assembly of the quick connector is completed by simply inserting the elastic spring provided with the rib into the body of the female member, the assembly of the quick connector is easy and can be easily assembled even by a skilled person.

(3) As the elastic spring is elastically deformed and the binding between the arm member body and the male member is released as the rib is rotated by hand without a separate tool, it is possible to lock and unlock easily and quickly while obtaining a sufficient binding force even with a simple configuration. Done.

(4) On the outer circumferential surface of the arm member body, when the arm member body and the male member are separated, the protrusion of the elastic spring can be seated so that the elastic spring having its own elasticity does not return arbitrarily back to the locked position, thereby providing a stopper function. By doing so, safety accidents can be prevented in advance.

(5) When the male member and the female member body have directionality and lock and release, the male member and the female member can be assembled by inserting the male member accurately into the female member body according to the predetermined direction in the case of having the directionality when installing the pipe or pipe. .

1 is an exploded perspective view showing the configuration of a quick connector to which the arm member according to the present invention is applied.
Figure 2 is a front view for showing a coupling state of the quick connector to which the arm member according to the present invention is applied.
Figure 3 is a cross-sectional view taken along line AA in Figure 2 for showing the mounting state of the elastic spring according to the present invention.
4 and 5 are cross-sectional views for showing the operation of the elastic spring during coupling and disassembly of the quick connector to which the arm member is applied according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

(Configuration)

Quick connector arm member according to the present invention, as shown in Figures 1 to 5, quick and easy connection and disconnection by hand without a separate tool to the male member 100 of the quick connector for connecting both ends, such as pipes or pipes It is possible to install. At this time, at least one ring (not shown) is provided between the male member 100 and the female member body 200 so that leakage does not occur.

In addition, the arm member body 200 is provided with an elastic spring 210 having a rib 211, when the rib 211 is rotated along the outer circumferential surface of the arm member body 200 of the elastic spring 210 By allowing the protrusion 212 to lock or release the male member 100 while being inserted into or pulled out of the arm member body 200, the structure is simple and easy to assemble, and in particular, the quick turn of the rib 211 is easy by hand. The connector is locked and unlocked.

Hereinafter, this configuration will be described in more detail as follows.

First, the configuration of the male member 100 coupled to the arm member body 200 according to the present invention will be described briefly as follows.

The male member 100 is a tubular member whose outer diameter is smaller than the inner diameter of the arm member body 200, and the flange portion 110 protrudes along the circumference thereof on the outer circumferential surface thereof. At this time, the flange portion 110 causes interference with the protrusion 212, which will be described later, so that the male member 100 does not fall out of the arm member body 200. In this case, the flange portion 212 may be at any position. It is preferable to form so as to cause interference with 110). To this end, the flange portion 110 is preferably formed in a ring shape having a predetermined width.

In addition, the flange portion 110 is formed to the same size as the inner diameter of the arm member body 200, by having a predetermined interval between the male member 100 and the arm member body 200 will be described later It is desirable to ensure a space in which the elastic spring 210 can be mounted. In addition, the flange portion 110 may be formed at the end of the male member 100, but is formed to be positioned inward by a predetermined length from the end of the male member 100, as shown in the figure, It is desirable to be able to fit a ring (not shown) at the end to enhance the hermetic effect. Here, the ring is fitted with at least one, and according to the purpose of using the quick connector to which the arm member according to the present invention is applied, that is, for use for fluids such as water or oil or gas, various types of O-rings or compression rings, etc. It is used by inserting the ring.

The arm member body 200 is configured to be fitted to each other in correspondence with the male member 100, the stepped inside is formed so as to be spaced apart by a predetermined interval between the flange portion 110. At this time, a ring is installed between the stepped portion and the flange portion 110 so as to be crimped to maintain airtightness.

In addition, the arm member body 200 is formed with a plurality of slits 220 in a predetermined position on the outer peripheral surface. At this time, the slit 220 is fitted with a protrusion 212 of the elastic spring 210 to be described later, the protrusion 212 is formed in a position that can press the flange 110 to the stepped side. In FIG. 3, four slits 220 are formed to be approximately perpendicular to each other. In addition, as shown in FIG. 3, the slit 220 is formed such that the distance between both ends thereof becomes narrower toward both sides of the arm member body 200, so that both ends thereof are formed in a slope shape, and thus the protrusion 212 is formed. It is desirable to have a role of guiding the slit 220 to escape or enter.

On the other hand, the arm member body 200, as shown in Figure 2, the elastic spring 210 is mounted on the outer peripheral surface. The elastic spring 210 is formed in a circular or circular arc shape having the outer diameter of the arm member body 200 as a whole. And, the middle of the length is provided with a rib 211 that moves along the outer peripheral surface of the arm member body 200. In addition, the elastic springs 210 have protrusions 212 formed at positions corresponding to the slits 220, respectively. At this time, the protrusion 212 is preferably to allow the end portion to protrude inward of the arm member body 200 to press the flange portion 110.

In addition, although an embodiment in which four protrusions 212 are formed in FIG. 3 is illustrated, the protrusions 212 may be used for the size of the quick connector or the purpose of using the quick connector, that is, for use with a fluid such as water or oil or gas. It is preferable that two to eight are formed accordingly.

The elastic spring 210 formed as described above is fitted to the side of the arm member body 200 by opening the open end outward so that each protrusion 212 is fitted to the slit 220. On the other hand, when the elastic spring 210 is made in a circular shape is to be forcibly elastically deformed from the end of the arm member body 200 is fitted.

As the quick connector to which the arm member according to the present invention configured as described above is applied, as shown in FIG. 4, by holding the rib 211 and rotating the elastic spring 210 along the outer circumferential surface of the arm member body 200 in the wound direction, each As the protrusion 212 is deformed by the interference with the slit 220, the lock is released while exiting from each slit 220 as shown in FIG.

On the other hand, in the preferred embodiment of the present invention, the quick connector, when the rib 211 is rotated too much during rotation, the protrusion 212 exiting the slit 212 while rotating the other slit 212 adjacent to it ) May be reinserted.

Thus, in a preferred embodiment of the present invention, as shown in the figure, the groove portion 230 is formed between the slit 212 and the slit 212, the groove portion 230, the projections 212 escaped from the slit 212 It is desirable to restrict the elastic spring 210 from being rotated any more by allowing the attachment of).

In addition, in the preferred embodiment of the present invention, the male member 100 and the female member body 200 may be configured to have a direction in the coupling direction. This is to prevent the hose or tube connected to the quick connector from twisting as the coupling position of the quick connector is twisted in a narrow space.

To this end, as illustrated in FIG. 1, guide protrusions 120 are formed on the outer circumferential surface of the male member 100, and guide holes 240 are formed in the arm member body 200 to guide the guide protrusions 120. Will form. Thus, when the male member 100 is inserted into the female member body 200, the guide protrusion 120 should be aligned with the guide hole 240, and then fitted to be coupled.

As described above, the present invention is configured to enable locking and releasing of the male member and the female member body by hand using an elastic spring having protrusions, so that the structure can be easily assembled and used.

In addition, the arm member according to the present invention is to be able to be easily separated from the coupling of the quick connector by a simple operation of turning the rib without a separate tool.

100: male member
110: flange portion
200: arm member body
210: elastic spring
211: rib
212: stone
220: slit
230: groove groove

Claims (4)

In the female member configured to be connected to and detachable from the male member of the quick connector protruding along the circumference of the flange portion 110 on the outer peripheral surface,
And an arm member body 200 in which an end portion of the male member is fitted, and an elastic spring 210 having ribs 211 moving along an outer circumferential surface thereof surrounds the outer circumferential portion.
The elastic spring 210 has a plurality of protrusions 212 is formed at a predetermined interval so as to protrude into the arm member body 200 at a predetermined position,
The arm member body 200 is provided with a slit 220 is formed to cut each of the protrusions (212);
The slit 220 has a short distance between the two ends as both ends toward the center of the arm member body 200, the groove portion so that the attachment of the protrusion 212 is seated between the adjacent slits 220 Quick connector arm member, characterized in that 230 is formed.



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