KR20220001796A - Fitting Apparatus for Connecting Hose - Google Patents

Abstract

Provided is a fitting apparatus for connecting a hose. According to the present invention, the fitting apparatus for connecting a hose comprises: a connection pipe body having a pipe body shape into which the hose is inserted and connected, and having a limit bump, a settlement end, and a mounting end successively formed in a staircase shape on an inner surface on one end unit side; an inner hose guide member including an accommodation end inserted into the hose to accommodate the hose, a mounting hanging bump hung on the limit bump of the connection pipe body, and an insertion end inserted into the limit bump of the connection pipe body, and mounted inside the connection pipe body; a sealing member having a through hole through which the hose passes, and settled in the settlement end of the connection pipe body to compress the inserted hose along with the accommodation end of the inner hose guide member; a collet member having a pipe body shape through which the hose passes, and including a hanging piece having a shape protruding from the inner circumferential surface of one end unit in a direction of inserting the hose, and gripping the outer circumferential surface of the inserted hose, and a flange end having a shape extended from the outer circumferential surface of the other end unit facing the one end unit; and a support member engaged with and fixed on one end unit side of the connection pipe body, and preventing the collet member from being dislodged. The present invention aims to provide a fitting apparatus for connecting a hose, which is capable of preventing an outer surface of the hose from being damaged.

Description

Fitting Apparatus for Connecting Hose

The present invention relates to a fitting device for connecting a hose, and more specifically, to a hose connection smoothly without damaging the outer surface of the hose or damaging the fitting device when connecting and disconnecting the hose while allowing the connection of the hose to be made stably It relates to a fitting device for hose connection having a new shape that can connect and disconnect the hose and prevent water leakage even when the outer surface of the hose is damaged.

In general, a hose used to deliver water to a product such as a water purifier or a bidet is connected to another hose or device (eg, a filter, etc.) by a fitting device. .

Such a fitting device should be configured to prevent unwanted separation while the hose is connected and to have a structure that can prevent water leakage. In addition to this, it is most preferable that simple operability is also satisfied.

Accordingly, in the prior art, various types of fitting devices have been provided, which are registered utility model No. 20-015243, registered utility model No. 20-0194982, published utility model No. 20-2010-0007460, and published utility model No. 20 It is provided in various structures as disclosed in -2011-0007157, Registered Patent No. 10-1127284, Korean Patent Publication No. 10-2014-0040315, and Patent Publication No. 10-2017-0056944.

However, since the fitting device according to the prior art described above is designed for the main purpose of having a structure that simply prevents the connected hose from being separated, if you want to perform maintenance such as a process for replacing the hose, the corresponding Damage to the outer surface of the hose or damage to the fittings may occur. Accordingly, there is a problem that the hose or/and fitting device cannot be used again.

That is, in the prior art fitting device, a locking ring made of a metal ring is inclined in the insertion direction of the hose at the site where the hose is inserted, so that when the hose is separated, the hose is not separated while digging into the outer surface of the hose. Although it is configured to prevent the hose, there was the inconvenience of having to forcefully pull the hose with greater force or insert a separate tool between the hose and the fitting device to separate the hose with the hooking ring tilted.

In addition, the fitting device according to the prior art has an O-ring in the main body pipe to prevent water leakage through the outer surface of the hose. In the case of such an O-ring, it is not fixed in the fitting device. As it was made to flow in the connection direction of the hose, distortion occurred due to friction with the hose when connecting the hose. There was a problem in that leakage occurs through the gaps created due to the distortion of the O-ring.

Registered Utility Model No. 20-015243 Registered Utility Model No. 20-0194982 Public Utility Model No. 20-2010-0007460 Public Utility Model No. 20-2011-0007157 Registered Patent No. 10-1127284 Patent Publication No. 10-2014-0040315 Patent Publication No. 10-2017-0056944

The problem to be solved by the present invention is to prevent damage to the outer surface of the hose when connecting and disconnecting the hose while ensuring that the connection of the hose remains stable and without damaging the fitting device. It is to provide a fitting device for hose connection having a new shape that can prevent water leakage.

The problem to be solved by the present invention is not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention provides a fitting device for connecting a hose. The fitting device for connecting a hose has a tubular shape into which a hose is inserted and connected, and a connector body in which a limiting jaw, a seating end and a mounting end are sequentially formed in a step shape on the inner surface of one end side, and a hose to accommodate the hose Consists of a receiving end inserted into the inside, a mounting locking protrusion caught on the limiting jaw of the connector body, and an insertion end inserted into the limiting jaw of the connector body, an internal hose guide member mounted inside the connector body, through which the hose passes A sealing member having a through hole, seated in the seating end of the connector body and compressing the hose inserted together with the receiving end of the inner hose guide member, has a tubular shape through which the hose passes, and on the inner circumferential surface of one end in the insertion direction of the hose A collet member having a protruding shape and having a flange end having an extended shape on the outer circumferential surface of the other end opposite to one end and a hooking piece for gripping the outer circumferential surface of the inserted hose, and coupled to be fixed to one end side of the connector body It may include a support member to prevent separation of the collet member.

The fitting device for hose connection has a tubular shape through which the hose passes, and is provided between the inner hose guide member and the sealing member, and further includes a fixing guide member for fixing the inner hose guide member mounted inside the connector body. can

The fixing guide member may have a fixing guide locking protrusion that is in contact with the seating end of the connector body and serves to catch. The fixing guide member may have a support groove recessed to be curved so as to surround a portion of the outer periphery of the sealing member at the fixing guide locking protrusion in contact with the sealing member.

The collet member is provided in at least one incision hole, so that the one end of the collet member can be separated into a plurality of parts and bent outward or inward.

The fitting device for hose connection is seated in the mounting end inside the connector body, is supported by the sealing member, and at the same time, when the collet member is moved by a pressing operation, a guide member for guiding one end of the collet member provided with the hooking piece to open. may further include.

The guide member may have a support groove bent and recessed so as to surround a portion of the outer periphery of the sealing member at a portion in contact with the sealing member.

A portion of the guide member facing the collet member may have a guide groove in which one end of the collet member is accommodated. The guide groove may be inclined upward toward the inner side of the guide member so that one end of the collet member is gradually spread apart when the collet member moves by a pressing operation. A portion of the support member facing the guide member has a protruding protrusion to come into contact with an outer circumferential surface of the guide member, and an inner surface of the base may be inclined inward toward the inner side of the support member.

An inner peripheral surface of one end of the collet member may be inclined outward toward the guide member. An inner peripheral surface of the guide member facing the collet member may be inclined inward toward the inner side of the guide member.

The fitting device for hose connection is interposed between the support member and the guide member, and fills a space between the guide member, one end of the collet member, and the support member, and moves one end of the collet member toward the hose when the hose is inserted, and the support member It may further include a fixing member having a fixing protrusion for pressing one end in the insertion direction of the hose toward the connector body.

The fixing member may have an open figure shape. The fixing member has one fixing projection, and the fixing member may be made of nitrile-butadiene rubber. The fixing member has a plurality of fixing projections, and the fixing member may be made of polyoxymethylene. An outer circumferential surface of the fixing protrusion may be inclined inwardly from the fixing member toward the supporting member. The fixing protrusion may have elasticity so as to be compressed between one end of the support member opposite to the insertion direction of the hose and one end of the collet member.

As described above, according to the means for solving the problems of the present invention, the fitting device for hose connection includes a guide member that spreads one end of the collet member in the pressing operation of the collet member, thereby reducing the surface of the hose. The hose connection and disconnection procedures can be carried out without damage.

In addition, since the fitting device for hose connection includes the collet member that does not grip the hose during the hose connection and disconnection processes, the collet member can be prevented from being damaged due to the forced hose separation process.

In addition, since the fitting device for connecting the hose includes the collet member operable to further retract one end when the hose is pulled in the separation direction while the collet member grips the hose, an unwanted separation phenomenon of the hose can be prevented.

In addition, since the fitting device for hose connection includes a guide member having a curved support groove surrounding a part of the sealing member, a connection failure phenomenon such as twisting of the sealing member during the hose connection process can be prevented. have.

Additionally, in the fitting device for hose connection, an inner hose guide member having a receiving end inserted into the hose to receive the hose is mounted on the inside of the connector body, so that the outer surface of the hose is not damaged by the engaging piece of the collet member. Even if you wear it, you can prevent leakage due to this.

Additionally, the fitting device for connecting the hose is configured to hold one end of the collet member when the hose is inserted while the fixing member interposed between the collet member and the guide member fills a space between the guide member, one end of the collet member, and the support member. By having a fixing protrusion that presses one end of the hose in the hose insertion direction toward the hose and toward the connector body toward the connector body, the collet member is forcibly retracted from the hose insertion direction in order to prevent the hose from coming off, and the collet member and A locker to insert between the support members may not be necessary.

This ensures that the hose connection remains stable, prevents damage to the outer surface of the hose when disconnecting it, and at the same time prevents damage to the outer surface of the hose from leaking without damaging the fittings. A fitting arrangement for connecting a hose may be provided.

1 is an exploded three-dimensional view for explaining a fitting device for connecting a hose according to an embodiment of the present invention.
Figure 2 is a combined three-dimensional view for explaining a fitting device for connecting a hose according to an embodiment of the present invention.
Figure 3 is a coupling plan view for explaining a fitting device for connecting a hose according to an embodiment of the present invention.
Figure 4 is a three-dimensional view for explaining the inner hose guide member included in the fitting device for connecting a hose according to an embodiment of the present invention.
5A and 5B are three-dimensional views each illustrating fixing members included in a fitting device for connecting a hose according to an embodiment of the present invention.
6 is a combined cross-sectional view and an enlarged partial cross-sectional view for explaining a fitting device for connecting a hose according to an embodiment of the present invention.
7 is an exploded cross-sectional view for explaining a fitting device for connecting a hose according to an embodiment of the present invention.
8 to 12 are enlarged partial cross-sectional views for explaining the hose connection process and the separation process of the fitting device for hose connection according to an embodiment of the present invention in relation to the enlarged partial cross-sectional view of FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention, and a method of achieving them, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments described herein, and may be embodied in different forms. Rather, the embodiments introduced herein are provided so that this disclosure may be thorough and complete, and the spirit of the present invention may be sufficiently conveyed to those skilled in the art, and the present invention is only defined by the scope of the claims.

Like reference numerals refer to like elements throughout. Accordingly, the same or similar reference signs may be described with reference to other drawings, even if not mentioned or described in the drawings. In addition, although reference signs are not indicated, description may be made with reference to other drawings.

The terminology used herein is for the purpose of describing the embodiments and is not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, 'comprises' and/or 'comprising' refers to the presence of one or more other components, steps, operations and/or devices mentioned. or addition is not excluded. In addition, since it is according to a preferred embodiment, reference signs provided in the order of description are not necessarily limited to the order. In addition, in this specification, when a certain film is referred to as being on another film or substrate, it means that it may be directly formed on the other film or substrate or a third film may be interposed therebetween.

When an element is referred to as 'connected to' or 'coupled to' with another element, it means that another element is directly connected or coupled to another element or in the middle. Includes all cases involving On the other hand, when one element is referred to as 'directly connected to' or 'directly coupled to' with another element, it indicates that another element is not interposed therebetween. 'and/or' includes each and every combination of one or more of the recited items.

Spatially relative terms 'below', 'beneath', 'lower', 'above', 'upper', etc. It can be used to easily describe the correlation of a device or components with other devices or components. Spatially relative terms should be understood as terms including different orientations of the device in use or operation in addition to the orientation shown in the drawings. For example, if the device shown in the figure is turned over, a device described as 'beneath' or 'beneath' of another device may be placed 'above' of the other device. Accordingly, the exemplary term 'down' may include both the direction of the bottom and the top. The device may also be oriented in other orientations, and thus spatially relative terms may be interpreted according to orientation.

Further, the embodiments described herein will be described with reference to cross-sectional and/or plan views, which are ideal illustrative views of the present invention. In the drawings, thicknesses of films and regions are exaggerated for effective description of technical content. Accordingly, the shape of the illustrative drawing may be modified due to manufacturing technology and/or tolerance. Accordingly, the embodiments of the present invention are not limited to the specific form shown, but also include changes in the form generated according to the manufacturing process. For example, the etched region shown at a right angle may be rounded or may have a predetermined curvature. Accordingly, the regions illustrated in the drawings have a schematic nature, and the shapes of the illustrated regions in the drawings are intended to illustrate specific shapes of regions of the device and not to limit the scope of the invention.

Meanwhile, the embodiments described herein are described with the left as the front, the right as the rear, the upper as the upper side, and the lower side as the lower side.

Figure 1 is an exploded three-dimensional view for explaining a fitting device for connecting a hose according to an embodiment of the present invention, Figure 2 is a combined three-dimensional view for explaining a fitting device for connecting a hose according to an embodiment of the present invention, Figure 3 is a coupling plan view for explaining a fitting device for connecting a hose according to an embodiment of the present invention, Figure 4 is to explain the inner hose guide member included in the fitting device for connecting a hose according to an embodiment of the present invention is a three-dimensional view for, Figures 5a and 5b are three-dimensional views for explaining each of the fixing members included in the fitting device for connecting a hose according to an embodiment of the present invention, Figure 6 is a hose according to an embodiment of the present invention A coupling cross-sectional view and an enlarged partial cross-sectional view for explaining a fitting device for connection, and FIG. 7 is an exploded cross-sectional view for explaining a fitting device for connecting a hose according to an embodiment of the present invention.

1 to 7, the fitting device for hose connection is a fitting device for a general hose connection having a connector body 100, a collet member 200, a support member 300, and a sealing member 500. By further including the fixing member 350 and the guide member 400, when the collet member 200 is pressurized by the guide member 400, one end of the collet member 200 is opened while the hose (Fig. 10 to 10 in FIG. 12 ). Accordingly, it is possible to separate the hose from the fitting device for connecting the hose without damaging the outer surface of the hose, and at the same time, the connection operation can be made easily. In addition, the fitting device for connecting a hose according to an embodiment of the present invention further includes a fixed guide member 600 and an inner hose guide member 700, so that the inner hose guide member 700 and the sealing member 500 are further provided. By this, the sealing efficiency can be increased by simultaneously compressing the hose from the inside and the outside. Accordingly, even if the outer surface of the hose is damaged by the catching piece 221 of the collet member 200, leakage due to such damage can be prevented.

The connector body 100 is a portion forming the outer body of the fitting device for hose connection. Such a connector body 100 may have various structures depending on the intended use, and at least one end may have a tubular structure into which a hose is inserted and coupled.

The connector body 100 according to an embodiment of the present invention may have a horizontal straight tubular structure. That is, the description of the connector body 100 according to an embodiment of the present invention will be described by taking as an example a tubular structure in which different hoses are coupled to each other at both ends. However, it is not limited thereto as described above. Accordingly, although not shown, the connector body 100 according to an embodiment of the present invention may be a bent tube body or a tube body integrally configured with a storage container in which a fluid is stored.

The connector body 100 may have a limiting jaw 110 having a structure protruding from the inner circumferential surface in order to limit the degree of insertion of the inner hose guide member 700 , and a side of one end of the connector body 100 . On the inner circumferential surface, the seating end 120 and the seating end 120 have an inner diameter that is expanded from the limiting jaw 110 toward one end of the connector body 100 as compared to the inner diameter of the limiting jaw 110 formed stepwise. ) may have a mounting end 130 having an expanded inner diameter compared to the inner diameter.

Here, since the inner hose guide member 700 is mounted inside the connector body 100 , leakage of water through the gap between the hose and the connector body 100 can be blocked. The inner hose guide member 700 includes a receiving end 730 inserted into the hose to accommodate the hose, a mounting locking protrusion 720 caught on the limiting jaw 110 of the connector body 100 and the connector body 100 . It may be made of an insertion end 710 that is inserted into the limiting jaw 110 of the.

Here, the seating end 120 is provided with a sealing member 600 , so that water leakage through a gap between the outer circumferential surface of the hose and the inner circumferential surface of the connector body 100 can be blocked. The sealing member 600 may have a through hole through which the hose passes.

Such a sealing member 500 may be composed of an O-ring seated in the seating end 120 of the connector body 100 , and the inner diameter of the sealing member 500 is the limiting jaw 110 of the connector body 100 . ) may be configured to be smaller than the inner diameter formed. In this case, the inner diameter of the seating end 120 may have a size in consideration of the outer and inner diameters of the sealing member 500 .

Since the fixing guide member 600 is provided between the inner hose guide member 700 and the sealing member 500 , the inner hose guide member 700 mounted inside the connector body 100 may be fixed. That is, the fixing guide member 600 may serve to prevent the inner hose guide member 700 from being bent while fixing the inner hose guide member 700 in a fixed position.

Such a fixing guide member 600 may have a fixing guide locking protrusion 610 which is in contact with and catches the seating end 120 of the connector body 100 . In addition, the fixing guide member 600 may have a support groove 620 that is curved and recessed so as to surround a portion of the outer periphery of the sealing member 500 in the portion of the fixing guide locking protrusion 610 in contact with the sealing member 500 . . Accordingly, when the hose is inserted, the sealing member 500 may be prevented from being damaged due to distortion due to friction with the hose.

A collet member 200 may be provided for constraining the hose. This collet member 200 may be formed of a hollow tube body so that the hose passes therein, and is generally composed of three parts: a collet body 210 , a guide end 222 , and a flange end 230 . can

Here, the collet body 210 is a portion that forms a body while being made of a cylindrical tube, and is formed in at least one incision hole 211 in which a portion from the portion spaced from the flange end 230 to the guide end 222 is cut. It has an open figure shape and can be bent in the direction of the outer circumferential or inner circumferential surface. The collet body 210 according to a preferred embodiment of the present invention may have a structure separated into a plurality of parts by a plurality of incision holes 211 . Accordingly, the degree of bending in the direction of the outer circumferential surface or the inner circumferential surface of the collet body 210 may be improved.

The guide end 222 forms one end of the collet member 200 in the direction in which the hose is inserted, and when inserting the collet member 200 by pressing it into the connector body 100, to release the grip of the hose. It is a guiding portion, and may have an outwardly inclined shape toward the direction in which the hose is inserted.

In particular, in the portion of the inner circumferential surface of the guide end 222 just before the start of the inclination, the engaging piece 221 is provided in a protruding form from the inner circumferential surface of the guide end 222, and grips the outer surface of the inserted hose to hold the hose. can be fixed At this time, the locking piece 221 has a gradually inwardly inclined shape in the direction in which the hose is inserted, so that the collet member 200 is forcibly separated from the hose in a state in which the hose is inserted to penetrate the inside of the collet member 200 . When pulling in the direction, the holding piece 221 can be firmly gripped while digging into the outer circumferential surface of the hose.

The flange end 230 is provided at the other end opposite to the direction in which the hose of the collet body 210 is inserted, and can prevent the collet member 200 from being excessively inserted into the connector body 100, , It may have a shape bent inward from the other end opposite to the direction in which the hose of the collet body 210 is inserted.

The support member 300 may be provided to prevent separation of the collet member 200 . The support member 300 may be configured such that the inner circumferential surface in the direction in which the hose is inserted is inserted into the inner circumferential surface of one end of the connector body 100 .

At the same time, the outer peripheral surface of the guide end 222 of the collet member 200 is provided with a locking protrusion 220 protruding outwardly, and the locking projection 220 of the collet member 200 is provided on the inner peripheral surface of the support member 300 . A locking jaw 310 that prevents the collet member 200 from being separated in the separation direction of the hose by being caught may have a shape protruding into the support member 300 .

In addition, on the inner circumferential surface of the support member 300 in the direction in which the hose is inserted, the support protrusion 320 is configured to be compressed outwardly by contact with the fixing protrusions 360, 360a or 360b of the fixing member 350, which will be described later. It may have a shape protruding in the insertion direction of the hose.

In particular, the inner circumferential surface of the support protrusion 320 may have a shape that is gradually inclined inward toward the separation direction of the hose, so that when the collet member 200 is pulled in the separation direction of the hose, the guide end of the collet member 200 ( As the guide end 222 of the collet member 200 is constricted while the 222 is gradually pressed by the inclined surface of the fulcrum 320, the inserted hose can be gripped more firmly.

Next, the guide member 400 may be provided to release the grip of the hose by the collet member 200 when the collet member 200 is pressed. The guide member 400 may be configured to support the sealing member 500 while being seated in the mounting end 130 in the connector body 100 , and a support groove 410 for supporting the sealing member 500 . and a guide groove 420 for guiding the collet member 200 .

At this time, the support groove 410 may have a curved concave shape to surround a portion of the outer periphery of the sealing member 500 from the surface facing the sealing member 500, which is the surface in which the hose of the guide member 400 is inserted. And, one end of the guide groove 420 in the direction in which the hose of the collet member 200 is inserted is accommodated on the surface opposite to the collet member 200, which is a surface opposite to the direction in which the hose of the guide member 400 is inserted. It may have a concave shape as much as possible. When the guide groove 420 operates to press the collet member 200, a portion of the guide end 222 where the locking piece 221, which is one end of the hose in the direction in which the collet member 200 is inserted, is positioned. It may have a concave shape to accommodate it. In addition, the guide groove 420 may have an upwardly inclined shape in the direction in which the hose is inserted so that the guide end 222 of the collet member 200 is gradually spread apart when the collet member 200 is pressed. have.

In addition, the inner circumferential surface of the guide member 400 opposite to the direction in which the hose is inserted may have a shape in which the diameter is reduced while inclining inward toward the direction in which the hose is inserted, thereby passing through the collet member 200 . Thus, the movement of the hose accommodated in the inside of the guide member 400 can be made smoothly.

The fixing member 350 may be interposed between the support member 300 and the guide member 400 . The fixing member 350 may have fixing protrusions 360 , 360a or 360b . The fixing protrusions 360 , 360a or 360b may fill a space between the guide member 400 , one end of the collet member 200 in a direction in which the hose is inserted, and the support member 300 . Accordingly, the fixing protrusion (360, 360a, or 360b) moves the guide end 222, which is one end of the collet member 200 in the direction in which the hose is inserted, toward the hose side, and the support member 300 when the hose is inserted. The support protrusion 320 , which is one end of the hose in the insertion direction, may be pressed toward the connector body 100 .

Here, the guide groove 420 of the guide member 400 accommodates a portion of the guide end 222 of the collet member 200 while accommodating the fixing member 400 on the outer periphery of the received guide end 222 . can have

Referring to FIG. 4 , the inner hose guide member 700 has an insertion end 710 that is inserted into the limiting jaw 110 of the connector body 100 , and is mounted on the limiting jaw 110 of the connector body 100 . It may consist of a locking protrusion 720 and a receiving end 730 that is inserted into the hose to receive the hose. That is, the inner hose guide member 700 limits the degree of insertion of the hose accommodated into the receiving end 730 and at the same time adjusts the degree of insertion into the limiting jaw 110 of the connector body 100 at the insertion end 710 . It may have a more protruding mounting locking protrusion 720 . The inner hose guide member 700 receives the hose to be inserted through the receiving end 730 by this mounting locking protrusion 720 , and is mounted inside the connector body 100 through the insertion end 710 . can

5A and 5B , the fixing member 350 may have an open figure shape. That is, a portion of the fixing member 350 may have a figure shape broken by the opening. Since the fixing member 350 can have elasticity by itself due to such an opening, when the collet member 200 is moved by a pressing operation, the fixing member 350 is retracted and the fixing protrusion of the fixing member 350 ( 360a or 360b) is easily accommodated in the space between the guide member 400, one end of the collet member 200, and the support member 300, and at the same time, when the hose is inserted, one end of the collet member 200 toward the hose , and one end of the support member 300 may be pressed toward the connector body 100 .

The fixing member 350 may have one fixing protrusion 360a, and the fixing member 350 may be made of nitrile-butadiene rubber (NBR). One fixing protrusion 360a may have a shape disposed on the front surface of the fixing member 350 opposite to the direction in which the hose is inserted.

Alternatively, the fixing member 350 may have a plurality of fixing protrusions 360b, and the fixing member 350 may be made of polyoxymethylene (POM). The plurality of fixing protrusions 360b may be radially disposed on a surface of the fixing member 350 opposite to the direction in which the hose is inserted.

The outer peripheral surface of the fixing protrusion 360 , 360a or 360b may be inclined inwardly from the fixing member 350 toward the support member 300 , and the fixing projection 360 , 360a or 360b is the guide member 400 . It may have elasticity so as to be compressed between one end opposite to the direction in which the hose is inserted and one end of the collet member 200 in the direction in which the hose is inserted. Accordingly, the fixing protrusion (360, 360a or 360b) moves the guide end 222, which is one end of the collet member 200, to the hose side when the hose is inserted, and the support jaw, which is one end of the support member 300, ( 320 may be pressed toward the connector body 100 .

The fitting device for hose connection according to an embodiment of the present invention includes an inner hose guide member 700 , so that the hose is inside and out by the receiving end 730 and the sealing member 500 of the inner hose guide member 700 . It can be pressed at the same time from the outside. That is, even if damage such as a scratch occurs on the outer surface of the hose due to the relationship that the engaging piece 221 of the collet member 200 is stainless steel (STS), the pressure of the water flowing through the hose Since the sealing between the receiving end 730 of the inner hose guide member 700 and the hose is strengthened, leakage due to such damage can be prevented. In addition, since the seal between the sealing member 500 and the hose is still maintained, leakage due to damage to the outer surface of the hose can be prevented.

8 to 12 are enlarged partial cross-sectional views for explaining the hose connection process and the separation process of the fitting device for hose connection according to an embodiment of the present invention in relation to the enlarged partial cross-sectional view of FIG.

8 to 12, the operation of the fitting device for connecting a hose according to an embodiment of the present invention will be described in more detail.

When the hose 10 is to be connected in the first state in which the hose 10 is not connected, the collet member 200 is first pressed and inserted into the connector body 100 . Although not shown, by pressing the collet member 200 into the inside of the connector body 200 and simultaneously pushing the hose 10 in a state in which the hose 10 is passed through the collet member 200, the hose 10 ) may be connected.

When the collet member 200 is pressed in this way, the guide end 222 of the collet member 200 is inserted into the support member 300 , and the guide end 222 of the collet member 200 is a guide member. As it is inserted into the guide groove 420 of the 400, it may be gradually widened by the inclination of the guide groove 420 .

In a state in which the collet member 200 is pressed, the hose 10 passes through the inside of the collet member 200 to close the receiving end 730 of the inner hose guide member 700 mounted on the inside of the connector body 100 . inserted to completely cover it. At this time, the hose 10 is inserted up to the portion where the mounting locking protrusion 720 of the inner hose guide member 700 mounted on the inside of the connector body 100 is located. Even while the hose 10 is inserted to cover the receiving end 730 of the inner hose guide member 700 mounted inside the connector body 100, the guide end 222 of the collet member 200 is a fixing member. It is possible to maintain a state of pressing the hose 10 by compression by the fixing projection 360 of the 350 .

The fixing guide member 600 may be provided between the inner hose guide member 700 and the sealing member 500 to fix the inner hose guide member 700 to the inside of the connector body 100 . That is, the fixing guide member 600 may serve to prevent the inner hose guide member 700 from being bent while fixing the inner hose guide member 700 in a fixed position.

When the insertion of the hose 10 is completed, the collet member 200 is moved by pulling in the direction in which the hose 10 is separated. At this time, as the guide end 222 of the collet member 200 is separated from the guide groove 420 of the guide member 400 , it is restored to the state before the hose 10 is inserted and retracted. ), the hooking piece 221 provided on the inner surface of the guide end 222 digs into the outer circumferential surface of the hose 10 and serves as a wedge for gripping the hose 10 and the collet member 200 together to move The hose 10 is retracted from the direction in which it is inserted. Here, since the fixing protrusion 360 of the fixing member 350 has elasticity, the guide end 222 , which is still one end of the collet member 200 , is moved toward the hose 10 and one of the supporting member 300 . The end support jaw 320 may be pressed toward the connector body 100 .

Retraction of the collet member 200 from the direction in which the hose 10 is inserted is a locking protrusion 220 provided on the outer circumferential surface of the guide end 222 of the collet member 200 is provided on the inner circumferential surface of the support member 300 This is done until it is caught on the locking jaw 310 . When the locking protrusion 220 is caught on the locking jaw 310 in this way, the collet member 200 may no longer be able to retreat from the direction in which the hose 10 is inserted, thereby maintaining the corresponding position.

In particular, when considering that the inner circumferential surface of the portion where the support protrusion 320 of the support member 300 is formed has a gradually inwardly inclined shape in the direction in which the hose 10 is inserted, pulling in the separation direction of the hose 10 When the guide end 222 of the collet member 200 in accordance with Since it is pressed, the engaging piece 221 of the guide end 222 of the collet member 200 digs deeper into the outer circumferential surface of the hose 10 so that the hose 10 can be more firmly gripped. In this way, unwanted disconnection of the hose 10 can be prevented.

When the hose 10 is to be separated in the above state, the hose 10 may be separated while the collet member 200 is pressed in the direction in which the hose 10 is inserted. That is, the guide end 222 of the collet member 200 is opened by pressing in the direction in which the hose 10 of the collet member 200 is inserted, so that the engaging piece 221 of the collet member 200 is connected to the hose ( As the hose 10 is separated from the outer circumferential surface of 10) completely, damage to the catching piece 221 of the collet member 200 as well as damage to the surface of the hose 10 can be prevented.

As a result, when the collet member 200 is pressed in the direction in which the hose 10 is inserted, the surface of the hose 10 is damaged by the guide member 400 that spreads the guide end 222 of the collet member 200 . Not only the connection of the hose 10 can be performed without it, but also the separation of the hose 10 can be performed stably.

At the same time, since the collet member 200 is configured not to grip the hose 10 when connecting or disconnecting the hose 10 , the collet member 200 that may occur when the hose 10 is forcibly disconnected. ) can be prevented from being damaged.

In addition, when the hose 10 is pulled in the separation direction while the collet member 200 grips the hose 10 , the guide end 222 of the collet member 200 operates to further retract, so that the hose 10 is unwanted separation of

In addition to this, the guide member 400 has a structure in which a support groove 410 of a curved structure surrounding a portion of the sealing member 500 is additionally recessed, and the fixing guide member 600 is the sealing member 500 of the sealing member 500 . Since the support groove 620 of the curved structure surrounding a part has an additionally recessed structure, the sealing member 500 is twisted due to friction with the hose 10 when the hose 10 is inserted. occurrence can be prevented. Accordingly, the occurrence of leakage can be prevented.

In addition, the receiving end 730 and the sealing member 500 of the inner hose guide member 700 have a structure for simultaneously compressing the hose 10 from the inside and the outside, so that the catching piece of the collet member 200 ( 221), even if the outer surface of the hose 10 is damaged, the sealing between the receiving end 730 of the inner hose guide member 700 and the hose 10 is prevented by the pressure of water flowing through the hose 10. reinforced, and the seal between the sealing member 500 and the hose 10 can still be maintained. Accordingly, leakage due to damage to the outer surface of the hose can be prevented.

In addition, since the collet member 200 is always kept spaced apart from the support member 300 by the fixing protrusion 360 of the fixing member 350, forcibly colleting to prevent separation of the hose 10 After the member 200 is retracted from the insertion direction of the hose 10 , it may not be necessary to additionally insert a separate rocker between the collet member 200 and the support member 300 .

A fitting device for connecting a hose according to an embodiment of the present invention spreads one end of the collet member in a pressing operation of the collet member and at the same time a guide member having a curved support groove surrounding a portion of a sealing member, a hose connection process and a collet member that operates so that one end is further constricted when the hose is pulled in the separation direction while gripping the hose while holding the hose during the separation process, interposed between the support member and the guide member, the guide member, the collet member Fixing having a fixing protrusion that presses one end of the collet member toward the hose and one end of the support member in the hose insertion direction toward the connector body when the hose is inserted while filling the space between one end of the and the support member member, and a receiving end inserted into the hose to receive the hose, a mounting locking protrusion caught on the limiting jaw of the connector body, and an insertion end inserted into the limiting jaw of the connector body, which is mounted inside the connector body It may include an inner hose guide member. This ensures that the hose connection remains stable, while preventing damage to the outer surface of the hose when connecting and disconnecting it, and preventing leaks from damage to the outer surface of the hose without damaging the fittings. A fitting device for connecting a hose may be provided.

In the above, embodiments of the present invention have been described with reference to the accompanying drawings, but those of ordinary skill in the art to which the present invention pertains can practice the present invention in other specific forms without changing its technical spirit or essential features. You can understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

10 : hose
100: connector body
110: limit jaw
120: seating end
130: mounting end
200: no collet
210: collet body
211: cut hole
220: snag
221: jammed piece
222: guide
230: flange end
300: support member
310: jamming jaw
320: support jaw
350: fixing member
360, 360a, 360b: fixing protrusion
400: guide member
410: support groove
420: information home
500: sealing member
600: fixed guide member
610: fixed guide jamming projection
620: support groove
700: inner hose guide member
710: insertion end
720: mounting snag protrusion
730 : Reception group

Claims (18)

a connecting pipe body having a tubular shape into which a hose is inserted and connected, and having a limiting jaw, a seating end, and a mounting end sequentially formed in a step shape on the inner surface of one end side;
It consists of a receiving end inserted into the hose to receive the hose, a mounting locking protrusion caught on the limiting jaw of the connector body, and an insertion end inserted into the limiting jaw of the connector body, an inner hose guide member mounted therein;
a sealing member having a through hole through which the hose passes, and being seated in the seating end of the connector body to compress the hose inserted together with the receiving end of the inner hose guide member;
It has a tubular shape through which the hose passes, and has a protruding shape on the inner circumferential surface of one end of the hose in the insertion direction, and extends to the outer circumferential surface of the other end opposite to the engaging piece and the outer circumferential surface of the inserted hose A collet member consisting of a flange end having a shape; and
A fitting device for connecting a hose comprising a support member coupled to be fixed to the one end side of the connector body to prevent separation of the collet member. The method of claim 1,
The hose has a tubular shape through which the hose passes, and is provided between the inner hose guide member and the sealing member, the hose further comprising a fixing guide member for fixing the inner hose guide member mounted inside the connecting tube body Fitting device for connection. 3. The method of claim 2,
The fixing guide member is a fitting device for connecting a hose having a fixing guide locking protrusion that is in contact with the seating end of the connector body and performs a role of being caught. 4. The method of claim 3,
The fixing guide member is a fitting device for connecting a hose having a support groove curvedly recessed so as to surround a portion of the outer periphery of the sealing member in the fixing guide locking protrusion in contact with the sealing member. The method of claim 1,
The collet member has at least one incision hole, and the one end of the collet member is divided into a plurality of parts and bent outward or inward. A fitting device for connecting a hose. The method of claim 1,
A guide for guiding the one end of the collet member provided with the engaging piece to open while seated in the mounting end inside the connector body, supported by the sealing member and at the same time the collet member is moved by a pressing operation A fitting device for connecting a hose further comprising a member. 7. The method of claim 6,
The guide member is a fitting device for connecting a hose having a support groove bent and recessed so as to surround a portion of the outer periphery of the sealing member at a portion in contact with the sealing member. 7. The method of claim 6,
A portion of the guide member facing the collet member has a guide groove in which the one end of the collet member is accommodated. 9. The method of claim 8,
The guide groove is a fitting device for hose connection that is inclined upward toward the inner side of the guide member so as to gradually spread the one end of the collet member when the collet member moves by the pressing operation. 7. The method of claim 6,
A portion of the support member facing the guide member has a fulcrum protruding to contact the outer circumferential surface of the guide member, and
A fitting device for hose connection in which the inner surface of the support protrusion is inclined inward toward the inner side of the support member. 7. The method of claim 6,
An inner circumferential surface of the one end of the collet member is inclined outward toward the guide member. 7. The method of claim 6,
An inner circumferential surface of the guide member facing the collet member is inclined inward toward the inside of the guide member. 7. The method of claim 6,
It is interposed between the support member and the guide member, and fills the space between the guide member, the one end of the collet member, and the support member and moves the one end of the collet member toward the hose when the hose is inserted. and a fixing member having a fixing protrusion for pressing one end of the support member in an insertion direction of the hose toward the connector body. 14. The method of claim 13,
The fixing member is a fitting device for connecting a hose having an open figure shape. 14. The method of claim 13,
The fixing member has one fixing protrusion, and the fixing member is a fitting device for connecting a hose made of nitrile-butadiene rubber. 14. The method of claim 13,
The fixing member has a plurality of fixing projections, and the fixing member is a fitting device for connecting a hose made of polyoxymethylene. 14. The method of claim 13,
An outer peripheral surface of the fixing protrusion is inclined inwardly toward the support member from the fixing member. 14. The method of claim 13,
The fixing protrusion is a fitting device for connecting a hose having elasticity so as to be compressed between one end of the support member opposite to the insertion direction of the hose and the one end of the collet member.

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