JP2013024417A - Single-touch insertion type pipe coupling device increasing tensile force and facilitating coupling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent parts from coming off owing to an external impact in coupling pipes and to increase working efficiency.SOLUTION: A single-touch insertion type pipe coupling device includes a pipe 110 with a hang groove 111 formed on the outer peripheral face, a coupling pipe 120 with a pipe drawing port formed therein, a first O-ring 130, a support member 140, a ring spring 150 which is installed on the rear end of the support member and in which a second hang step 151 coupling with a first hang step 141 of the support member is formed on an upper step of one side face and a lower step is inserted into the hang groove 111 of the pipe to fix the pipe, a diaphragm member 160 which is installed on the rear end of the ring spring, has a press fitting face formed on the inner side face, fixes the outer side face of the ring spring through the press fitting face, and prevents the coming off of the ring spring when an external force is applied to the pipe, and a second O-ring 170 installed between folded steps formed on the rear end of the diaphragm member and both ends of the coupling pipe for maintaining water tightness.

Description

The present invention relates to a one-touch type pipe connecting device, and more specifically, when a throttle member is installed in a connecting pipe connecting the pipes and an external force is generated and moved in the pipe, the outer surface of the ring spring is passed through the throttle member. A one-touch insertion type pipe coupling device that is easy to squeeze and disengage, to facilitate fastening, increase the tensile force of the pipe together with the ring spring, and to support seismic design and thermal expansion. It is.

In general, the pipe connecting device is mainly used as a means for connecting and fixing the pipes while maintaining the airtightness of the pipes, and is linear, elbow-shaped, T-shaped, cross-shaped depending on the structural form. It has various forms.

The conventional pipe connecting device requires a separate fixing means such as a screw connection and a snap ring to weld the pipe connection part in order to improve hermeticity and coupling, so pipe connecting work is difficult and the assembly process increases, There is a problem that the construction cost is increased.

In addition, since ordinary stainless steel pipes for general pipes used in such conventional pipe coupling devices are thin, it is difficult to form screws as well as welding at the construction site. Use special squeezing machines or expand steel pipes. There is an inconvenience that a separate process is required.

In order to solve such problems of the prior art, a number of pipe connecting devices using jaws (JAW) have been developed.
Among them, Korean Patent Publication No. 10-0937925, the pipe connecting device has a space portion (11) on both sides as shown in FIG. 1 or 3, and the space portion (11) and the space portion (11) The first step (13) and the second step (15) are formed between them, the bent step (17) is formed at both ends, and the connecting pipe (19) is formed with the pipe inlet (19) 10); and an O-ring type watertight packing (20) inserted at a position corresponding to each first step (13) of the connecting pipe (10) to maintain watertightness and an inner step (31a) on one side ) And an outer step (31b) and a body (31) formed in a double tube shape, an opening (33) formed symmetrically to the outer step (31b) of the body (31), A shaft insertion groove (35) formed on both lower sides of the opening (33), and a sliding formed in a tapered shape from the shaft insertion groove (35) to the inner step (31a) side of the body (31). The plate (37) and the inner step (31 a) comprises a spring insertion groove (39) formed on one side where the outer step (31b) meets and is installed between the watertight packing (20) and the bending step (17) of the connecting pipe (10), A jaw housing (30) fixed to the space (11) of the connecting pipe (10) by a support member (80) having a plurality of thick insertion steps (81) formed on a side surface; and the jaw housing (30) A fixed jaw (40) for coupling; a ring spring (50) coupled to the jaw housing (30) to provide a resilient force to the fixed jaw (40); A pipe (60) is formed in which a hook groove (61) is formed and inserted into the connecting pipe (10) space (11) and fixedly coupled by the jaw housing (30), and the connecting pipe A flange (71) is formed on one side of the front surface so that the pipe (60) inserted into (10) can be detached with one touch, and is close to the flange (71). A gap groove (73) is formed on the rear surface, and a jaw detaching member (70) having an inclined step (75) formed on the end to make the fixed jaw (40) an upper layer.

However, when such a jaw is used, the structure of the jaw housing is complicated, and it is difficult to manually combine the jaw and the ring spring coupled to the jaw housing. There is a problem that the work efficiency is lowered by the jaws being easily detached by impact.

Korean Patent No. 10-0937925

The present invention is intended to solve the above-described problems, and is simply composed of a connecting pipe, an O-ring, a ring spring, and a throttle member. To provide a one-touch insertion-type pipe coupling device that reduces manufacturing time and production unit cost, prevents parts from being detached due to external impact, increases work efficiency, and is easy to tighten and tighten. Has its purpose.

The present invention also provides a throttle member in a connecting pipe that connects pipes to each other, and when an external force is generated and moved in the pipe, the outer surface of the ring spring is squeezed through the throttle member to prevent detachment, and the ring spring Another object is to provide a one-touch insertion-type pipe coupling device that can increase the pulling force of the pipe, that is, the pulling force that increases the force that prevents the pipe from being detached, and the fastening.

In addition, the present invention provides a gap that is moved left and right between the support member and the throttle member in a state where the ring spring is fixed to the pipe, and is capable of increasing the tensile force and fastening so as to cope with the seismic design and thermal expansion. Another object is to provide an easy one-touch insertion type pipe connecting device.

In addition, the present invention provides a one-touch insertion type pipe connection in which a supporting member is installed in the connection pipe, the position of the ring spring is fixed when the pipe is inserted, and the ring spring is prevented from floating up and down. There are other purposes in providing the device.

In order to achieve the above-mentioned object, the present invention is characterized in that a pipe in which a rectangular hook groove is formed on an outer peripheral surface; a space portion on both sides, and a first step difference between the space portion and the space portion A connecting pipe in which a bent step is formed at both end portions and a pipe inlet is formed; a position corresponding to each first step of the connecting pipe to maintain water tightness A first O-ring inserted into the first O-ring; a support member that is installed at a rear end of the first O-ring and is formed in an elongated rectangular shape, and has a first hooking step projectingly formed on a lower side of one side; A ring spring that is installed at the rear end of the member, has a second hooking step that is fastened to the first hooking step of the support member on the upper side of one side surface, and a lower step that is inserted into the hooking groove of the pipe to fix the pipe; Installed at the rear end of the ring spring When the inner surface is formed with a press-fitting surface and an external force is applied to the pipe, the outer surface of the ring spring is fixed through the press-fitting surface to prevent the ring spring from being detached; It consists of the 2nd O-ring installed between the bending step formed in the rear end of an aperture member, and the both ends of the said connecting pipe.

Here, the one-touch insertion-type pipe connecting device that is easy to increase and fasten the tensile force is installed between the second O-ring and the bending step formed on both side ends of the connecting pipe, and has a cylindrical shape. A plurality of pressure protrusions projecting from the side surface, and the pressure protrusion is in contact with the connecting pipe when the pipe is inserted, and further includes a vibration preventing member that prevents the pipe from moving freely.

Here, the ring spring has a shape in which one end is cut out, and the cross-sectional shape thereof is formed in a rectangular shape. However, the ring spring is narrowed inward to the lower stage of the other side so as to be enlarged when the pipe is press-fitted. Thus, the first inclined surface is formed.

Here, the diaphragm member has a cross-sectional shape formed in a “K” shape (or a “F” shape, or a Kyoku character representing a consonant k sound of Hangul). A second inclined surface extending outward from the press-fitting surface for guiding, and an enlarged surface extending horizontally at the upper stage of the second inclined surface to provide an expansion space for the ring spring when the ring spring is expanded Is done.

Here, the hook groove of the pipe provides a gap that can move left and right between the press-fitting surface of the support member and the throttle member in a state where the ring spring is fastened, and the pipe is subjected to an external impact or non-impact. In order to be able to cope with uniform ground subsidence etc., it is formed separated from the end of the pipe, but when the end of the pipe is fixed to the second step of the connecting pipe, the expansion of the throttle member Located on the surface.

According to the one-touch insertion type pipe coupling device of the present invention configured as described above and capable of easily increasing and fastening the tensile force, it is simply configured by a coupling pipe, an O-ring, a ring spring and a throttle member. In some cases, the ring spring is fastened to the hooking groove of the pipe, so that the manufacturing time and the manufacturing unit cost can be reduced, and it is possible to prevent the parts from being detached due to an external impact and to increase the working efficiency.

Also, according to the present invention, when a throttle member is installed in a connecting pipe that connects pipes to each other and an external force is generated and moved in the pipe, the outer surface of the ring spring is squeezed through the throttle member to prevent separation and together with the ring spring. The pulling force of the pipe, i.e. the force that prevents the pipe from detaching, can be increased.

In addition, according to the present invention, a gap that can move left and right between the support member and the throttle member in a state in which the ring spring is fixed to the pipe is provided, and it is possible to cope with seismic design and thermal expansion.

Further, according to the present invention, a support member is installed in the connecting pipe, and the position of the ring spring is fixed when the pipe is inserted, so that the ring spring can be prevented from floating up and down.

It is a drawing showing a conventional one-touch type pipe coupling device. It is a drawing showing a conventional one-touch type pipe coupling device. It is a drawing showing a conventional one-touch type pipe coupling device. 1 is a perspective view illustrating a configuration of a one-touch insertion-type pipe coupling device that can easily increase and fasten a tensile force according to the present invention. 1 is an exploded perspective view illustrating a configuration of a one-touch insertion-type pipe coupling device that can easily increase and fasten a tensile force according to the present invention. 1 is an end view illustrating a configuration of a one-touch insertion pipe connecting device that can easily increase and fasten a tensile force according to the present invention. It is explanatory drawing for demonstrating operation | movement of the one-touch insertion-type pipe connection apparatus with easy pulling force increase and fastening by this invention. It is explanatory drawing for demonstrating operation | movement of the one-touch insertion-type pipe connection apparatus with easy pulling force increase and fastening by this invention. It is explanatory drawing for demonstrating operation | movement of the one-touch insertion-type pipe connection apparatus with easy pulling force increase and fastening by this invention. It is explanatory drawing for demonstrating operation | movement of the one-touch insertion-type pipe connection apparatus with easy pulling force increase and fastening by this invention.

Hereinafter, a configuration of a one-touch insertion type pipe connecting device according to the present invention that can easily increase and fasten a tensile force will be described in detail with reference to the accompanying drawings.

In the following description of the present invention, when it is determined that a specific description of a related known function or configuration may unnecessarily obscure the gist of the present invention, a detailed description thereof will be omitted. The terms described below are defined in consideration of the function of the present invention, and this may change depending on the intention of the user, operator, or custom. Therefore, the definition should be made based on the contents of the entire specification.

FIG. 4 is a perspective view illustrating a configuration of a one-touch insertion type pipe coupling device that can easily increase and fasten a tensile force according to the present invention, and FIG. FIG. 6 is an exploded perspective view showing the configuration, and FIG. 6 is an end view showing the configuration of the one-touch insertion type pipe connecting device that can easily increase and fasten the tensile force according to the present invention.

Referring to FIG. 4 or FIG. 6, the one-touch insertion type pipe connecting device (100) according to the present invention that can easily increase and fasten a tensile force includes a pipe (110), a connecting pipe (120), and a first O-ring (130). ), A support member (140), a ring spring (150), a throttle member (160), a second O-ring (170), and a vibration preventing member (180).

First, the pipe (110) is made of a metal or a synthetic resin material, and a rectangular hook groove (111) is formed on the outer peripheral surface of the end portion. Here, the hook groove (111) of the pipe (110) provides a gap through which the pipe (110) is moved to the left and right, and is separated from the end of the pipe to cope with a part impact or uneven ground subsidence. It is formed.
The connecting pipe (120) is made of a metal or a synthetic resin and is formed with a hollow 1-shaped, L-shaped or T-shaped ridge, and has a space portion (121) at the end, and the space portion (121) and the space The first step (123) and the second step (125) are formed between the parts (121), and the bent step (127) is formed at both end portions to form the pipe inlet (129). .

Further, the first O-ring (130) is formed of a synthetic resin or a rubber material, and is inserted into a position corresponding to the connecting pipe (120) and each first step (123) in order to maintain watertightness.

Further, the support member (140) is installed between the first O-ring (130) and the ring spring (150) described below, fixing the ring spring (150), and ring pipe (110) when the pipe (110) is retracted ( 150), the first hooking step (141) is formed on the lower side of one side surface.

On the other hand, the ring spring (150) is made of a metal material and is installed at the rear end of the support member (140) and fastened to the hook groove (111) of the pipe (110), and its shape is deformed, that is, enlarged when the pipe (110) is drawn. The end surface of the support member 140 is formed into an oblong shape with one end incised so as to be fixed to the support member 140. ) And a second inclined step (151) projectingly formed, and the first inclined surface (153) is formed so as to be narrowed inwardly on the lower step of the other side, that is, the surface in contact with the pipe (110).
The diaphragm member 160 is made of metal or synthetic resin at the rear end of the ring spring 150, and its end face shape is “K” -shaped (or “F” -shaped, or Hangul consonant k sound. The pipe (110) in a state where the press-fitting surface (161) is formed on the inner surface and the ring spring (150) is coupled to the hook groove (111) of the pipe (110). When an external force is applied to the pipe (110), the ring spring (150) is prevented from coming off by fixing the outer surface of the ring spring (150) through the press-fit surface (161) and the ring spring (150) is enlarged. When the pipe (110) is inserted, the second inclined surface (163) outward from the press-fitting surface (161) to guide this, and the second inclined surface to provide an enlarged space for the ring spring (150) An enlarged surface (165) is formed to extend horizontally from the upper stage of the surface (163). Here, when the end of the pipe (110) is fixed to the second step (125) of the connection pipe (120), the ring member (160) is inserted into the hook groove (111) of the pipe (110). The length is designed so as to be positioned on the enlarged surface (165) in a state of being fastened to the upper surface.

Further, the second O-ring (170) is formed of a synthetic resin or a rubber material, and a folding step formed at the rear end of the throttle member (160) and both end portions of the connecting pipe (120) to maintain watertightness ( 127).

Further, the anti-swaying member (180) is installed between the second O-ring (170) and the bending step (127) formed on both side ends of the connecting pipe (120), and is formed in a cylindrical shape. When the pipe (110) is inserted with a plurality of pressure protrusions (181) formed on the side surface, the pressure protrusion (181) comes into contact with the connecting pipe (120) to prevent the pipe (110) from floating.

Hereinafter, the operation of the one-touch insertion-type pipe coupling device according to the present invention that can easily increase and fasten the tensile force will be described in detail.

FIG. 7 or FIG. 10 is an explanatory diagram for explaining the operation of the one-touch insertion type pipe connecting device that can easily increase and fasten the tensile force according to the present invention.

First, in each space part (121) of the connecting pipe (120), a first O-ring (130), a support member (140), a ring spring (150), a throttle member (160), and a second O-ring. (170) and the anti-swaying member (180) are sequentially assembled. At this time, the components are made symmetrical with each other. At this time, the ring spring (150) maintains the state in which the second hooking step (151) is fastened with the first hooking step (140) of the support member (140) without being enlarged.

After that, when one end of the pipe (110) to be connected to the connecting pipe (120) is inserted into the one-side inlet (129) of the connecting pipe (120), the swing prevention member (180) and the The two O-rings (170) and the throttle member (160) are sequentially passed.

Next, when the pipe (110) is retracted, the end of the pipe (110) is caught by the ring spring (150) as shown in FIG.
Subsequently, when the pipe (110) is press-fitted, as shown in FIG. 8, the first inclined surface (the end portion of the pipe (110) is formed on the ring spring (150) by the support force of the support member (140) ( 151) is pressed and eventually the ring spring (150) is expanded. At that time, the ring spring (150) is expanded by the expansion surface (160) of the throttle member (160).

Subsequently, as shown in FIG. 9, the expansion of the ring spring (150) causes the pipe (110) to pass through the ring spring (150), followed by the support member (140) and the first O-ring (130). The ring spring (150) is fastened to the hooking groove (111) of the pipe (110) to fix the pipe (110).

In such a state, when an external impact (such as an earthquake) or uneven ground subsidence occurs, the ring spring (when the pipe (110) moves outward about the connecting pipe (120) as shown in FIG. 150) is also moved together, and the ring spring (150) is positioned in the press-fitting surface (161) of the throttle member (160).

In this case, the pipe (110) is prevented from being detached in order to prevent the press-fitting surface (161) of the throttle member (160) from pressing the outer surface of the ring spring (150) and expanding.

In addition, by providing a gap (g) in which the pipe (110) and the ring spring (150) can move left and right between the press-fitting surfaces (161) of the support member (140) and the throttle member (160), external impact and non-uniformity are provided. Can effectively deal with land subsidence.

While the invention is susceptible to various modifications and alternative forms, only a specific embodiment according to the invention has been described in the foregoing detailed description. However, it should be understood that the invention is not limited to the specific forms referred to in the detailed description and, rather, within the spirit and scope of the invention as defined by the appended claims. It should be understood to include all variations and equivalents and alternatives.

110: Pipe 120: Connecting pipe
130: 1st O-ring 140: Support member
150: Ring spring 160: Diaphragm member
170: 1st O-ring 180: Shake prevention member

Here, the diaphragm member has a cross-sectional shape formed in a “K” shape (or a “F” shape, or a Kyoku character shape representing a consonant k sound of Hangul, or an L shape ). A second inclined surface directed outward from the press-fitting surface to guide the ring spring, and an upper stage of the second inclined surface to provide an enlarged space for the ring spring when the ring spring is expanded. The enlarged surface is extended.

On the other hand, the ring spring (150) is made of a metal material and is installed at the rear end of the support member (140) and fastened to the hook groove (111) of the pipe (110), and its shape is deformed, that is, enlarged when the pipe (110) is drawn. in the form of which one end is cut open so that, although the end face shape is formed on the long rectangle, first hook step of the support to an upper side to be secured to a support member (140) member (140) (141 ) And the second inclined step (153) are formed to project, and the first inclined surface (151) is formed in a form that narrows inwardly on the lower surface of the other side, that is, the surface in contact with the pipe (110).
The diaphragm member 160 is made of metal or synthetic resin at the rear end of the ring spring 150, and its end face shape is “K” -shaped (or “F” -shaped, or Hangul consonant k sound. In the shape of the letter of Kyoku representing L or the L shape ), but the press-fitting surface (161) is formed on the inner surface, and the ring spring (150) is coupled to the hooking groove (111) of the pipe (110) When an external force is applied to the pipe (110), the outer surface of the ring spring (150) is fixed through the press-fitting surface (161) to prevent the ring spring (150) from being detached. When (150) is expanded, it provides a second inclined surface (163) directed outward from the press-fitting surface (161) to guide this and an expansion space for the ring spring (150) when inserting the pipe (110). For this purpose, an enlarged surface (165) is horizontally extended from the upper stage of the second inclined surface (163). Here, when the end of the pipe (110) is fixed to the second step (125) of the connection pipe (120), the ring member (160) is inserted into the hook groove (111) of the pipe (110). The length is designed so as to be positioned on the enlarged surface (165) in a state of being fastened to the upper surface.

First, in each space part (121) of the connecting pipe (120), a first O-ring (130), a support member (140), a ring spring (150), a throttle member (160), and a second O-ring. (170) and the anti-swaying member (180) are sequentially assembled. At this time, the components are made symmetrical with each other. At this time, the ring spring (150) maintains the state in which the second hooking step (153) is fastened with the first hooking step (141) of the support member (140) without being enlarged.

Claims (5)

A pipe having a rectangular hook groove formed on the outer peripheral surface;
A connecting pipe having a space on both sides, a first step and a second step are formed between the space and the space, a bent step is formed on both side ends, and a pipe inlet is formed;
A first O-ring inserted at a position corresponding to each first step of the connecting pipe to maintain water tightness;
A support member installed at a rear end of the first O-ring and formed in an oblong shape, wherein a first hooking step is formed protruding on a lower side of one side surface;
A second hooking step is formed at the rear end of the support member, and is fastened to the first hooking step of the support member on the upper side of one side, and the lower stage is inserted into the hooking groove of the pipe to fix the pipe. A ring spring;
Installed at the rear end of the ring spring, a press-fitting surface is formed on the inner side, and when the pipe is subjected to external force and moved outward, the outer surface of the ring spring is fixed through the press-fitting surface to prevent the ring spring from being detached. A tension member comprising: a throttle member; and a second o-ring installed between a rear end of the throttle member and both side ends of the connecting pipe to maintain water tightness. One-touch insertion pipe connecting device that can be easily increased and fastened. The one-touch insertion-type pipe coupling device that is easy to increase and fasten the tensile force,
Installed between the second O-ring and the bending step formed at both end portions of the connecting pipe, and formed in a cylindrical shape, a plurality of pressure protrusions are formed on the side surface so that the pipe is inserted. 2. The one-touch insertion type pipe connecting device as claimed in claim 1, wherein the pressure protrusion includes an anti-sway member that is in contact with the connecting pipe and prevents the pipe from moving freely. . The ring spring is
The shape of the end face is formed in an oblong shape with one end cut out, but the first inclined surface is formed on the other side so that it is narrowed inward on the other side so that it is enlarged when the pipe is press-fitted. The one-touch insertion type pipe connecting device according to claim 1 or 2, wherein the tensile force can be easily increased and fastened. The diaphragm member is
The shape of the end surface is formed in a “K” shape, but a second inclined surface that extends outward from the press-fitting surface to guide the ring spring, and an expansion space of the ring spring when the ring spring is expanded. 4. The one-touch insertion type pipe connection for easily increasing and fastening the tensile force according to claim 1, wherein an enlarged surface is horizontally extended at an upper stage of the second inclined surface for providing. apparatus. The hooking groove of the pipe is
An end portion of the pipe that provides a gap so that the ring spring can be moved to the left and right between the press-fitting surfaces of the support member and the throttle member when the ring spring is fastened so that the pipe can cope with external impact and uneven ground subsidence. 5. The structure according to claim 1, wherein the end portion of the pipe is positioned on an enlarged surface of the throttle member when fixed to a second step of the connecting pipe. A one-touch insertion type pipe connecting device that is easy to increase and fasten a tensile force according to one item.

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