KR102065668B1 - Multi connecting valve apparatus and air conditioner - Google Patents

Abstract

The present invention relates to a multi connecting valve device and an air conditioner. According to one embodiment of the invention, the multi-connecting valve device comprises: first and second bodies and first and second valve bodies for opening and closing the flow paths in the first and second bodies, respectively, A detachable first connecting valve unit in which a coupling flow path of the first and second bodies is opened and the respective flow paths are blocked when the first and second bodies are separated when the second body is coupled and fastened; A third and fourth valve body for opening and closing the flow path in the third and fourth bodies and the third and fourth bodies, respectively, wherein the coupling passages of the third and fourth bodies are engaged when the third and fourth bodies are engaged. A removable second connecting valve unit which is opened and the respective flow paths are blocked when the third and fourth bodies are separated and installed in parallel with the first connecting valve unit; A detachable frame unit comprising a first frame supporting the first and third bodies and a second frame supporting the second and fourth bodies; And a fastening unit rotatably supported by any one of the first and second frames to fasten the other according to rotation and to secure the coupling between the first and second bodies and the third and fourth bodies. Also, an air conditioner including the same is proposed.

Description

MULTI CONNECTING VALVE APPARATUS AND AIR CONDITIONER

The present invention relates to piping connection devices and air conditioning equipment. More specifically, the present invention relates to a multi-connecting valve device capable of safely and easily disconnecting and reconnecting a plurality of connecting pipes and an air conditioning device having a connecting pipe using the same.

In general, the valve is used to block the flow of fluid such as gas or liquid, or to flow the fluid. Piping applications include air conditioning, heating and cooling, water supply and drainage, ventilation / ventilation, and city gas. When installing pipes, it is sometimes necessary to connect two or more pipes due to the type of installation site, length of pipe, disassembly and assembly. In this case, there are flange joints, fitting joints, threaded joints, welding joints, adhesive joints, and the like for connecting pipes. Is being used.

This quick connector is used when the separation of pipes is required, and is usually used to connect both sides of each pipe. For example, in an air conditioner such as an air conditioner, pipes are connected between heat exchangers. For example, separation between an indoor unit (air conditioner body) and an outdoor unit may be necessary for repair or moving. In this case, in order to facilitate the separation, the quick connector is installed on the connection pipe between the indoor unit and the outdoor unit, and the quick connector is quickly separated into both sides using the quick connector.

However, in an air conditioner such as an air conditioner, two fluid pipes are connected between heat exchangers, not one pipe, and an electric cable is also connected. In addition, a drain pipe for discharging water discharged from the indoor unit is also provided. In this case, when each of the connectors for connecting the pipes, cables, etc. are provided, it takes a lot of time and complicated work to disconnect and reconnect. In addition, the cost may be increased when the respective connectors are provided. In this case, the conventional quick connectors are not able to separate and reconnect two fluid pipes at the same time, and furthermore, do not allow the electrical cables to be separated and reconnected together.

Republic of Korea Open Utility Model Publication No. 20-2017-0001449 (released April 24, 2017) Republic of Korea Patent Publication No. 10-2009-0056148 (2009. 06. 03. published) Republic of Korea Patent Publication No. 10-2010-0066793 (Published June 18, 2010)

In order to solve the above problems, the present invention is to propose a multi-connecting valve device that can safely and easily disconnect and reconnect a plurality of connecting pipes, for example two fluid pipes.

In order to solve the above-described problem, according to one aspect of the present invention, the first and second body and the first and second body including the first and the second valve body for opening and closing the flow path, respectively, And a detachable first connecting valve unit in which a coupling flow path of the first and second bodies is opened and the respective flow paths are blocked when the first and second bodies are separated when the second body is engaged. A third and fourth valve body for opening and closing the flow path in the third and fourth bodies and the third and fourth bodies, respectively, wherein the coupling passages of the third and fourth bodies are engaged when the third and fourth bodies are engaged. A removable second connecting valve unit which is opened and the respective flow paths are blocked when the third and fourth bodies are separated and installed in parallel with the first connecting valve unit; A detachable frame unit comprising a first frame supporting the first and third bodies and a second frame supporting the second and fourth bodies; And a fastening unit rotatably supported by either one of the first and second frames to fasten the other according to rotation and to secure the coupling between the first and second bodies and the third and fourth bodies. A connecting valve device is proposed.

At this time, in one example, the fastening unit is hinged to one of the first and second frames and the other side is fastened to the fastening portion provided in the other of the first and second frames and the first and second frames Can be fixed. Each of the first to fourth bodies is inserted into and supported in the support holes provided in the coupling surfaces of the first and second frames, respectively, and any one of the first and second bodies and any one of the third and fourth bodies is provided. Each front part protrudes from the fastening surface but may be inserted into the other one when the fastening coupling.

Further, at this time, in one example, each of the first sealing rings for maintaining airtightness on each inner surface of the other of the first and second bodies and the other of the third and fourth bodies is provided, respectively, The first sealing ring is inserted into the other of the first and second bodies and into the other of the third and fourth bodies and before contacting between the first and second valve bodies and between the third and fourth valve bodies, respectively. Confidentiality can be maintained as it passes.

In another example, the multi-connecting valve device may further include at least one of a detachable pin connector unit in which an electric circuit is connected in series according to the coupling and a detachable liquid pipe connecting unit in which an inner flow path is opened when the coupling is engaged. The pin connector unit may include a male and female pin connector that is supported in each of the other supporting holes provided in the respective fastening surfaces of the first and second frames, and connects the circuits in series according to the coupling fastening. The liquid pipe connecting unit is respectively supported in separate support holes provided in the respective fastening surfaces of the first and second frames, and each of the first and second pipe connectors and the first and second pipe connectors each having a flow path hole, respectively. It may include a first and second pin valve body elastically supported therein to open and close the flow path hole. In this case, the channel hole may be opened when the first and second pipe connectors are coupled to each other.

At this time, in another example, the female pin connector installed and supported on any one of the first and second frames may protrude from the fastening surface. The liquid pipe connecting unit includes support springs for elastically supporting the first and second pin valve bodies respectively in the first and second pipe connectors, respectively, and the first and second pipes in the first and second pipe connectors, respectively. It may further include a rear support for guiding forward and backward of each of the pin valve body. The front part of any one of the first and second pipe connectors protrudes from the fastening surface to be inserted into the other when the fastening is engaged, and a front flow path is formed at the end, and the other of the first and second pipe connectors is It is provided on the inner surface and may be provided with a sealing ring for maintaining the airtight between the inserted front portion and the inner passage hole formed in the contact portion according to the insertion of the front portion. Each of the first and second fin valve bodies has a front head for opening and closing each of the front and inner flow path holes, and a pin shaft connected to the front head and penetrating the rear support part, and the ends of the front head protrude from the first and second fin valve bodies. It can be pushed back to each other in contact with the coupling of the pipe joint.

In addition, in one example, the fastening unit may have a fastening hook which is hinged behind the fastening surface of any one of the first and second frames and spaced apart from the hinge axis. The other one of the first and second frames may have a fastening pin protruding on the fastening surface and passing through the opposite fastening surface when the first and second frames are coupled. The fastening hook is fastened to the fastening pin according to the hinge rotation of the fastening unit, and may combine the first and second frames.

At this time, in one example, each of the first and second frame has a vertical structure having a fastening surface, one of the first and second frame further comprises a hinge coupling portion protruding rearward from the vertical structure, the hinge The vertical structure in which the coupling portion protrudes rearward may include a pin passing portion through which the fastening pin passes. The fastening unit may be hinged to the hinge coupler to rotate in parallel between the first and second connecting valve units. The fastening hook has a hook-shaped or curved groove structure, and the hook-shaped or curved groove structure is formed such that the inner side of the hook is closer to the center of the hinge shaft than the starting point of the hook, and attracts the fastening pin passing through the pin passing portion. Two frames can be tightly coupled.

In another example, one of the first and the second frame may further include a locking portion for preventing release of the fastening unit fastened. A locking portion protruding from the left and right sides to the distal end of the fastening pin is formed, and the locking hook is a hook-shaped or curved groove structure, and the hook-shaped or curved groove structure may be formed in a pair in parallel to correspond to the locking portion.

Further, in one example, the first and second connecting valve units may be formed in the same structure. In engagement coupling of the first and second bodies and engagement coupling of the third and fourth bodies, each one is an insertion-side body and the other is a receiving-side body, and any one of the first and second valve bodies and the third And one of the fourth valve bodies may be a fixed valve body fixedly supported in the receiving side body and each other may be an operation valve body elastically supported in the insertion side body. Each of the first and second connecting valve units may further include a sliding valve seat elastically supported in the receiving side body and retracted according to the insertion of the insertion side body. The sliding valve seat is formed around the first valve seat hole and the first valve seat hole through which the fixed valve body penetrates, and has a first seat portion from which the first valve portion of the fixed valve body is detached. The first seat portion may be detached from the first valve portion to form a through passage in the receiving body. The insertion side body includes a second valve seat hole through which the actuated valve body penetrates, and a second seat portion protruding from the inner circumferential surface to form a second valve seat hole, and detachable from the second valve part of the actuated valve body. As the body is inserted, the front end of the actuated valve body abuts against the front end of the stationary valve body, and the actuated valve body is pushed backward so that the second valve part is removed from the second seat part and a through flow path can be formed in the insertion side body. have.

At this time, in one example, each of the first and second connecting valve unit, the sliding valve seat so as to elastically support the sliding valve seat in the receiving body and the first seat portion is in close contact with the first valve portion when the insertion side body is separated. And a second spring for elastically supporting the operative valve body from the rear in the insertion side body and providing a second valve portion to close contact with the second seat portion in the insertion side body within the insertion side body. have. A second sealing ring may be provided in an operating section of the sliding valve seat on the inner side of the receiving side body to maintain airtightness between the inner circumferential surface of the receiving body and the outer circumferential surface of the sliding valve seat. Each of the stationary and actuating valve bodies includes a shaft portion in addition to the valve portion, and each of the first and second valve portions protrudes in a disc shape around the shaft portion, and the sealing portion is in close contact with each of the first and second seat portions. It can be provided.

In this case, in one example, each of the first and second connecting valve units is fixed in the first valve body support part and the insertion side body, which are fixedly installed in the receiving side body and fastened to the rear of the shaft part to support the fixed valve body. And a second valve body support portion for guiding forward and backward movement of the actuated valve element and supporting the actuated valve element, and having at least one of a receiving side and an inserting side body having a guide hole through which the rear of the shaft portion of the actuated valve element penetrates. It may further include a tube connector coupled to the rear of the.

In another example, at least one residual pressure removing hole communicating with the inside may be provided around the front portion of the insertion-side body.

Next, in order to solve the above problem, according to another aspect of the present invention, in the air conditioning equipment connected by the connecting pipe so that the refrigerant circulation between the first and second heat exchanger, the invention described above in the connecting pipe An air conditioning apparatus is provided, in which a multi-connecting valve device according to one example of the aspect of the present invention is installed and the separation of the first and second heat exchange devices by the separation of the multi-connecting valve device can be performed.

According to one embodiment of the invention, two or more connecting pipes can be safely and easily separated and reconnected at one time.

It is apparent that various effects not directly mentioned in accordance with various embodiments of the present invention may be derived by those skilled in the art from various configurations according to embodiments of the present invention.

1 is a perspective view schematically showing a multi-connecting valve device according to an embodiment of the present invention.
2A and 2B are cross-sectional views schematically illustrating a coupled state and a disconnected state of the multi-connecting valve device according to FIG. 1.
3A and 3B are views showing a state cut to the center in the multi-connecting valve device according to FIG. 1, respectively, illustrating a non-fastening state and a fastening state by a fastening unit, respectively.
Figure 4a is a perspective view schematically showing a multi-connecting valve device according to another embodiment of the present invention.
4B and 4C are schematic views showing the disconnected state of the multi-connecting valve device and the modification according to FIG. 4A, respectively.
5 is an exploded view schematically illustrating a modified example of the multi-connecting valve device according to FIG. 4A.
6 is a view schematically showing the side of the multi-connecting valve device according to FIG. 4a.
7A to 7C are cross-sectional views schematically illustrating a cross section cut along the reference line A-A 'and a separated state thereof, and a cross section cut along the reference line B-B' shown in FIG. 6, respectively.
FIG. 8 is a view schematically illustrating a cross section cut along the reference line CC ′ shown in FIG. 6.
9 is a schematic view showing a cross-sectional view of the separated state of the liquid pipe connecting unit of the multi-connecting valve device according to an example of the present invention.

Embodiments of the present invention for achieving the above object will be described with reference to the accompanying drawings. In the present description, the same reference numerals refer to the same configuration, and additional descriptions may be omitted for the purpose of understanding the present invention to those skilled in the art.

In the present specification, when one component is connected, coupled or disposed with another component, unless otherwise described as 'directly', 'directly connected, coupled or arranged' as well as another between them Intervening components may also exist in the form of being connected, coupled or arranged. In addition, where terms are described herein as terms indicating direction and / or location, such terms are relative concepts defined from a reference, where the reference indicates a direction and / or location even if described directly or not directly herein. It can be fully understood from the relationship between the configuration and the related configuration.

It should be noted that, although a singular expression is described herein, it can be used as a concept representing a plurality of configurations as long as they are not contrary to the concept of the invention, or obviously different or contradictory. It is to be understood that the description of 'comprising', 'having', 'comprising', 'comprising', etc., in this specification includes the possibility of the presence or addition of one or more other components or combinations thereof.

The drawings referred to in this specification are examples for describing embodiments of the present invention, and shapes, sizes, thicknesses, and the like may be exaggerated or reduced for explanation of technical features.

[Multi connecting valve device]

A multi-connecting valve device according to an aspect of the present invention will be described in detail with reference to the accompanying drawings. In this case, reference numerals not described in the accompanying drawings may be reference numerals in other drawings showing the same configuration. In this case, it should be noted that the components disclosed in the drawings may be partially omitted or modified according to variations of the embodiments.

1 is a perspective view schematically showing a multi-connecting valve device according to an embodiment of the present invention, Figures 2a and 2b is a cross-sectional view schematically showing a coupling state and a disconnected state of the multi-connecting valve device according to FIG. 3a and 3b are views showing a state cut to the center in the multi-connecting valve device according to Figure 1 showing the non-fastening state and the fastening state by the fastening unit, respectively, Figure 4a is another embodiment of the present invention 4 is a perspective view schematically showing a multi-connecting valve device according to the present invention. FIGS. 4B and 4C are views schematically showing a disconnected state of the multi-connecting valve device and the modification according to FIG. 4A, respectively. 6 is an exploded view schematically illustrating a modified example, and FIG. 6 is a diagram schematically illustrating a side of a multi-connecting valve device according to FIG. 4A. 7A to 7C are cross-sectional views schematically illustrating a cross section cut along the reference line A-A 'and its separation state shown in FIG. 6, and a cross section cut along the reference line B-B', respectively, and FIG. 8 is shown in FIG. 6. FIG. 9 is a view schematically showing a cross section cut along a reference line C-C ′, and FIG. 9 is a view schematically showing a cross section of a liquid pipe connecting unit of a multi-connecting valve device according to an example of the present disclosure.

In this case, the first to fourth valve bodies 13, 14, 23, and 24 of the first and / or second connecting valve units 10 and 20 are omitted in FIGS. 4B, 4C, 5, and 6. .

1 to 8, a multi-connecting valve device according to an example includes a detachable first connecting valve unit 10, a detachable second connecting valve unit 20, a detachable frame unit 30, and a fastening. Unit 50. 1 to 8, the multi-connecting valve device according to an example may further include at least one of the pin connector unit 60 and the liquid pipe connecting unit 70. For example, at least one of the pin connector unit 60 and the liquid pipe connecting unit 70 may further include a pin connector unit 60. According to an embodiment, the pin connector unit 60 and / or the liquid pipe connecting unit 70 shown in FIGS. 4A to 8 may be omitted in whole or in part.

The first connecting valve unit 10 includes first and second bodies 11 and 12 and first and second valve bodies 13 and 14. Each of the first and second valve bodies 13 and 14 opens and closes a flow path in each of the first and second bodies 11 and 12. The coupling flow path of the first and second bodies 11 and 12 is opened when the first and second bodies 11 and 12 are coupled to each other, and the respective flow paths are separated when the first and second bodies 11 and 12 are separated. Is blocked. The second connecting valve unit 20 is installed in parallel with the first connecting valve unit 10. The second connecting valve unit 20 includes third and fourth bodies 21 and 22 and third and fourth valve bodies 23 and 24. Each of the third and fourth valve bodies 23 and 24 opens and closes a flow path in each of the third and fourth bodies 21 and 22. When the coupling of the third and fourth bodies 21 and 22 is coupled, the coupling passages of the third and fourth bodies 21 and 22 are opened, and when the separation of the third and fourth bodies 21 and 22 is performed, Is blocked. The frame unit 30 includes a first frame 30a supporting the first and third bodies 11 and 21 and a second frame 30b supporting the second and fourth bodies 12 and 22. . The fastening unit 50 is rotatably supported by either one of the first and second frames 30a and 30b to fasten the other by rotation. In this case, the fastening unit 50 fixes the coupling between the first and second bodies 11 and 12 and the third and fourth bodies 21 and 22.

Hereinafter, the first and second connecting valve units 10 and 20 will be described, the frame unit 30 and the fastening unit 50 will be described, and then the pin connector unit 60 and the liquid pipe connecting unit 70 will be described. .

First and second connecting valve units 10 and 20

First, the first and second connecting valve units 10 and 20 of the multi connecting valve device will be described with reference to the drawings. 1, 2a, 2b, 4a, 4b, 4c, 5, 6 and / or 7a, the first connecting valve unit 10 and the second connecting valve unit 20 are installed side by side. Referring to FIGS. 7A and 7B, the first connecting valve unit 10 includes first and second bodies 11 and 12 and first and second valve bodies 13 and 14. Each of the valve bodies 13 and 14 opens and closes a flow path in each of the first and second bodies 11 and 12. 2A, 2B and 7C, the second connecting valve unit 20 includes third and fourth bodies 21 and 22 and third and fourth valve bodies 23 and 24. Each of the fourth valve bodies 23 and 24 opens and closes the flow path in each of the third and fourth bodies 21 and 22. The first to fourth bodies 11, 12, 21, and 22 may be made of copper or copper alloy, but are not limited thereto. In addition, the first to fourth valve bodies 13, 14, 23, and 24 may be made of stainless steel, but are not limited thereto.

2B, 4B, 4C, and 7B, the first and second bodies 11 and 12 are separated from each other and the third and fourth bodies 21 and 22 are separated from each other when the multi-connecting valve device is separated. For example, the first and second valve bodies 13 and 14 drop and the respective flow paths are blocked, and the third and fourth valve bodies 23 and 24 drop and the respective flow paths can be blocked.

On the other hand, when the multi connecting valve device is in a coupled state, the first and second bodies 11 and 12 are coupled and the third and fourth bodies 21 and 22 are coupled and fastened. At this time, the coupling passage of the first and second bodies 11 and 12 and the coupling passage of the third and fourth bodies 21 and 22 are opened. For example, referring to FIG. 7A, the first and second valve bodies 13 and 14 are brought into contact with each other, and a coupling flow path of the first and second bodies 11 and 12 is opened. Referring to FIGS. 2A and 7C, the third and third valve bodies 13 and 14 are opened. And the fourth valve bodies 23 and 24 are in contact with each other and the coupling flow paths of the third and fourth bodies 21 and 22 may be opened.

For example, the first and second connecting valve units 10 and 20 may be formed in the same structure or in a different structure, and may be formed in the same structure in one example.

For example, in one example, each of the engagement of the first and second bodies 11, 12 and the engagement of the third and fourth bodies 21, 22 is either an insertion-side body and the other of the receivers. Side body. Hereinafter, a case where the first and third bodies 11 and 21 are the receiving side bodies 11 and 21 and the second and the fourth bodies 12 and 22 are the insertion side bodies 12 and 22 will be described. The receiving side bodies 11 and 21 and the inserting side bodies 12 and 22 will be described.

For example, referring to FIGS. 2A, 2B, 3A, 4B, 4C, 5, 7A, 7B and 7C, any one of the first and second bodies 11 and 12 and the third and fourth bodies 21 and 22 may be used. Each of the front parts 12c and 22c may protrude from the fastening surfaces of the first and second frames 30a and 30b, respectively, and may be inserted into the other one during the fastening.

For example, referring to FIGS. 2A, 2B, 7A, 7B and 7C, the other of the first and second bodies 11, 12 and the other of the third and fourth bodies 21, 22, such as the receiving side body, may be used. First sealing rings 11a and 21a may be provided on the inner side surfaces of 11 and 21, respectively, to maintain airtightness. 2A, 2B, 7A, 7B and 7C, when the multi-connecting valve device is in the engaged state, any one of the first and second bodies 11 and 12 and the third and fourth bodies 21 and 22. E.g., for example, each front portion 12c, 22c of the insertion side body 12, 22 is the other of the first and second bodies 11, 12 and the third and fourth bodies 21, 22; The other one, for example, is inserted into the receiving side body 11, 21 and before contacting between the first and second valve bodies 13, 14 and between the third and fourth valve bodies 23, 24, respectively. The hermetic seal may be maintained while passing through the one sealing rings 11a and 21a.

2A, 2B, 7A, 7B and 7C, in one example, the second sealing ring 11b, within the operating section of the sliding valve seat 15, 25 on the inner side of the receiving body 11, 21, 21b) may be provided. The airtightness can be maintained between the inner circumferential surface of the receiving body 11 and 21 and the outer circumferential surface of the sliding valve seats 15 and 25 by the second sealing rings 11b and 21b. For example, the first sealing rings 11a and 21a and / or the second sealing rings 11b and 21b may be elastic O-rings such as rubber O-rings.

In one example, referring to FIGS. 2A, 2B, 7A, 7B and 7C, either one of the first and second valve bodies 13, 14 and any of the third and fourth valve bodies 23, 24. Is a fixed valve body 13, 23 fixedly supported in the receiving body 11, 21, and the other is an actuated valve body 14, 24 elastically supported in the inserting body 12, 22, respectively. Can be. For example, the stationary and actuated valve bodies 13, 14, 23, 24 may be formed in the same structure or in different structures, and in one example may be formed in the same structure.

For example, referring to FIGS. 2A, 2B, 4C, 5, 7A, 7B, and 7C, at least one residual pressure removing hole 12d communicating with an interior is formed around the front portions 12c and 22c of the insertion body 12 and 22. 22d) may be provided. At this time, the residual pressure when the position of the residual pressure removing holes 12d and 22d retreats from the first sealing rings 11a and 21a formed on the inner side of the receiving side bodies 11 and 21 when the insertion side bodies 12 and 22 are separated. Since the fluid inside the insertion-side bodies 12 and 22 is discharged through the removal holes 12d and 22d, residual pressure in the space to be separated can be removed and thus can be safely separated. If the residual pressure elimination holes 12d and 22d are not provided as in the present embodiment, when the insertion-side bodies 12 and 22 are separated, they are bounced as if exploded by the pressure of the fluid remaining in the internal separation space, that is, the residual pressure. You can get out, and you may have a safety problem.

2A, 2B, 7A, 7B, and 7C, in one example, each of the first and second connecting valve units 10, 20 may further include sliding valve seats 15, 25. The sliding valve seats 15 and 25 are elastically supported in the receiving side bodies 11 and 21 and retract with the insertion of the insertion side bodies 12 and 22. The sliding valve seats 15 and 25 are pushed by the front portions 12c and 22c of the insertion-side bodies 12 and 22 and can be retracted backwards in the receiving-side bodies 11 and 21. For example, the sliding valve seats 15 and 25 may be made of the same material, but are not limited thereto. In the present specification, the front in each of the detachable inserting and receiving side bodies 11, 12, 21, 22 means the side to which the inserting and receiving side bodies 11, 12, 21, 22 are coupled and the rear is the front side. It means the opposite side of. Accordingly, the fronts of the insertion side and the receiving side bodies 11, 12, 21, 22 are opposed to each other, and the configurations provided in the insertion side and the receiving side bodies 11, 12, 21, 22 will likewise be described. Can be. In addition, the frame unit 30 and / or the liquid pipe connecting unit 70 to be described later may be similarly described.

For example, the sliding valve seats 15 and 25 may include the first valve seat holes 15a and 25a and the first seat portions 15b and 25b formed around the first valve seat holes 15a and 25a. The fixed valve bodies 13 and 23 pass through the first valve seat holes 15a and 25a, and the first seat portions 15b and 25b are the first valve portions 13a and 23a of the fixed valve bodies 13 and 23. ), For example, is attached to and detached from the first valve portions 13a and 23a formed in a disc shape around the shaft portions 13b and 23b of the fixed valve bodies 13 and 23. At this time, the first seat portions 15b and 25b are removed from the first valve portions 13a and 23a as the sliding valve seats 15 and 25 are retracted by the insertion of the insertion body 12 and 22. Through passages may be formed in the bodies 11 and 21. When the insertion side bodies 12 and 22 are separated, the first seat portions 15b and 25b of the sliding valve seats 15 and 25 are seated by the first valve portions 13a and 23a by the elastic force. For example, at this time, the portion of the first seat portion 15b, 25b seated on the first valve portion 13a, 23a is the first valve portion 13a at the portion protruding toward the center from the inner circumferential surface of the sliding valve seats 15, 25. , 23a may protrude to the front side, and the first valve seat holes 15a and 25a may be restrained by the inner circumferential surface of the protruding portions of the first seat portions 15b and 25b.

Meanwhile, referring to FIGS. 2A, 2B, 7A, 7B, and 7C, the insertion-side bodies 12 and 22 protrude into the second valve seat holes 12a and 22a and the inner circumferential surface, so that the second valve seat holes 12a and 22a are provided. 2nd sheet part 12b, 22b which forms a periphery can be provided. At this time, the operation valve body 14, 24 passes through the second valve seat holes 12a, 22a, and the second valve parts 14a, 24a of the operation valve body 14, 24, for example, the operation valve. The second valve portions 14a, 24a formed in a disc shape around the shaft portions 14b, 24b of the sieves 14, 24 are detached from the second seat portions 12b, 22b. As the insertion side bodies 12 and 22 are inserted, the front ends of the actuated valve bodies 14 and 24 abut against the front ends of the stationary valve bodies 13 and 23, and the actuated valve bodies 14 and 24 are rearward. The second valve portions 14a and 24a are removed from the second seat portions 12b and 22b to form a through passage in the insertion-side bodies 12 and 22. When the insertion-side bodies 12 and 22 are separated, the second valve portions 14a and 24a of the operation valve bodies 14 and 24 are seated on the second seat portions 12b and 22b by the elastic force. For example, the portion of the second seat portion 12b, 22b on which the second valve portions 14a, 24a are seated is the second valve portion 14a, 24a at the portion projecting in the center direction from the inner peripheral surface of the insertion-side body 12, 22. The second valve seat holes 12a and 22a are constrained and formed by the inner circumferential surface of the protruding portions of the second seat portions 12b and 22b.

For example, the fixed valve body 13, 23 is equipped with the 1st valve part 13a, 23a which detach | desorbs with the 1st seat part 15b, 25b, and the actuating valve body 14, 24 is a 2nd seat. Second valve parts 14a and 24a are attached to and detached from the parts 12b and 22b. For example, referring to FIGS. 2A, 2B, 7A, 7B, and 7C, each of the stationary and actuated valve bodies 13, 14, 23, 24 may be provided with a shaft portion 13b, in addition to the valve portions 13a, 14a, 23a, 24a. 14b, 23b, 24b). At this time, each of the first and second valve portions 13a, 14a, 23a, and 24a is formed to protrude in a disk shape around the shaft portions 13b, 14b, 23b, and 24b, and the first and second seat portions 15b. , 25b, 12b, and 22b may be provided with sealing portions 113a, 114a, 123a, and 124a in close contact with each other. For example, the sealing portions 113a, 114a, 123a, and 124a of the first and second valve portions 13a, 14a, 23a, and 24a may be disc annular sealing rings, for example, a resin material such as Teflon resin material. .

Referring to FIGS. 2A, 2B, 7A, 7B and 7C, in one example, each of the first and second connecting valve units 10, 20 is a first spring 16a, 26a and a second spring 16b, 26b. ) May be further included. The first springs 16a and 26a elastically support the sliding valve seats 15 and 25 in the receiving side bodies 11 and 21, and the first valve portions 13a and 22 when the insertion side bodies 12 and 22 are separated. The elastic force is provided to the sliding valve seats 15 and 25 so that the first seat portions 15b and 25b are in close contact with 23a. The second springs 16b and 26b elastically support the actuated valve bodies 14 and 24 from the rear in the insertion side bodies 12 and 22, and the second valve portion when the insertion side bodies 12 and 22 are separated. An elastic force is provided to the actuated valve bodies 14 and 24 so that the 14a and 24a are in close contact with the second seat portions 12b and 22b.

Also, referring to FIGS. 2A, 2B, 7A, 7B and 7C, in one example, each of the first and second connecting valve units 10, 20 is a first valve body support 17, 27 and a second valve. The support members 18 and 28 may further be included. The first valve body support parts 17 and 27 are fixedly installed in the receiving body bodies 11 and 21 and are engaged with the rear of the shaft parts 13b and 23b of the fixed valve body 13 and 23 to fix the fixed valve body 13, 23). The second valve body support portions 18 and 28 are fixedly installed in the insertion side bodies 12 and 22 and guide holes 18a and 28a through which the rear of the shaft portions 14b and 24b of the actuated valve bodies 14 and 24 pass. ) To guide the forward and backward movement of the actuated valve body 14, 24 and support the actuated valve body 14, 24. For example, the second valve body support portions 18 and 28 are supported by the snap rings 118 and 128 provided at the rear end of the insertion body 12 and 22, and are provided around the pillar portion where the guide holes 18a and 28a are formed. Second springs 16b and 26b may be fitted.

In addition, referring to FIG. 1 to FIG. 8, in one example, each of the first and second connecting valve units 10 and 20 may further include a pipe connector 19 and 29. The tubular connectors 19, 19a, 19b, 29, 29a, 29b may be coupled to the rear of at least one of the receiving side and the inserting side bodies 12, 22. For example, two or more tubular connectors 19a, 29b, 29a, 29b may be coupled and fastened to the rear of the accommodating body 11, 21 and / or the insertion side body 12, 22. For example, the tubular connectors 19, 29 may be nuts, nipples, unions or other tubular seams. The pipe connectors 19 and 29 may be made of copper or copper alloy, but are not limited thereto. For example, airtightness can be maintained through the airtight member, such as a sealing ring, at the coupling part of the pipe connector 19,29.

Frame Unit (30)

Next, the frame unit 30 will be described with reference to the drawings. 1 to 8, the frame unit 30 supports the first frame 30a and the second and fourth bodies 12 and 22 to support the first and third bodies 11 and 21. The second frame 30b is included. Various ways of supporting the first to fourth bodies 22 in the first and second frames 30a and 30b may be implemented. For example, support grooves (not shown), support holes 31c, or supports (not shown) are provided on the first and second frames 30a and 30b to support the first to fourth bodies 22. You can do that.

For example, referring to FIGS. 2B, 4B, 4C, and 5, each of the first to fourth bodies 22 may be formed in the support holes 31c provided at the fastening surfaces of the first and second frames 30a and 30b, respectively. It can be inserted and supported. Each of the fastening surfaces of the first and second frames 30a and 30b refers to surfaces facing each other when the first and second frames 30a and 30b are coupled to each other. For example, each fastening surface is formed in the vertical structure portion 31 of each of the first and second frames 30a and 30b.

2A, 2B, 3A, 4B, 4C, 5, 7A, 7B, and 7C, the first and second bodies 11 and 12 may be fastened on the respective fastening surfaces of the first and second frames 30a and 30b, respectively. ) And each of the front portions 12c and 22c of any one of the third and fourth bodies 21 and 22 may protrude.

For example, referring to FIGS. 1, 3A, 3B, 5 and 8, the fastening unit 50 may be hinged to any one of the first and second frames 30a and 30b, and the first and second frames may be The other one of the 30a, 30b may have a fastening pin 31b protruding on the fastening surface. The fastening pin 31b may pass through the opposite fastening surface when the first and second frames 30a and 30b are coupled to each other, and may be fastened to the curved groove 53 formed in the fastening unit 50. For example, the fastening pin 31b may be fastened to the curved groove 53 formed in the fastening unit 50 by passing through the pin passing portion 31a formed on the fastening surface of the opposite frame. For example, referring to FIGS. 2B, 3A, 3B, 4C, 5, 7B, and 8, a locking portion 131b protruding from side to side in a distal end portion of the fastening pin 31b may be formed.

1 to 8, in one example, each of the first and second frames 30a, 30b has a vertical structure 31 having a fastening surface, and the first and second frames 30a, 30b. Any one may further include a hinge coupling portion 32 formed to protrude rearward from the vertical structure (31). The fastening unit 50 is hinged to the hinge coupler 32. 3A, 3B, 4B, 5, and 8, the vertical structure portion 31 in which the hinge coupling portion 32 protrudes rearward has a pin passing portion 31a through which a fastening pin 31b protruding from the mating frame passes. can do. For example, the pin passing portion 31a may be a groove structure vertically recessed or a through hole penetrating the vertical structure portion 31 as shown in FIGS. 3A, 3B, 4B, 5 and 8. For example, referring to FIGS. 4A, 4B, and 5, the first frame 30a having the hinge coupling part 32 may further include a rear structure part 33 and a frame cover 34. The rear structure part 33 may include support holes for supporting a body, a pipe connection body, a pin connector, or the like and a pipe connected thereto by the support holes 31c of the vertical structure part 31. For example, the hinge coupler 32 may be integrally formed with the bottom cover to perform a cover function together with the frame cover 34.

1, 2A, 2B, 4A, 4B, 4C, 5, 6, 7A, 7B, and 8, in one example, one of the first and second frames 30a, 30b is the locking portion 35 It may be further provided. The locking part 35 prevents the release of the fastening unit 50 which has been fastened. For example, referring to FIGS. 4A, 4B, 4C, and 5, a fixing groove 36 is provided on an upper portion of the vertical structure 31 of at least one of the first and second frames 30a and 30b and the fastening unit 50 is provided. When the handle 55 of the) is seated in the fixing groove 36, the locking formed in one of the first and second frames 30a and 30b, for example, the frame 30b which is not hinged to the fastening unit 50. The fastening state of the fastening unit 50 may be fixed by rotating or sliding the part 35 to cover an upper portion of the handle 55 seated in the fixing groove 36. Alternatively, referring to FIGS. 1, 2A and 2B, the locking part 35 is disposed on the vertical structure 31 of the frame 30a in which the fastening unit 50 is hinged among the first and second frames 30a and 30b. Can be formed. For example, referring to FIGS. 1, 2A and 2B, the locking unit 35 protruding rearward from the upper portion of the vertical structure portion 31 of the frame 30a to which the fastening unit 50 is hinged is connected to the upper portion of the vertical structure portion 31. Accordingly, by sliding or rotating to cover a part of the upper portion of the fastening unit 50 fastened to the fastening pin 31b, the fastening unit 50 may be reversely rotated to prevent release of the fastening unit.

Fastening Unit (50)

Next, the fastening unit 50 will be described with reference to the drawings. 1, 2b, 3a, 3b, 4a, 4b, 4c, 5, 6, 7a and 8, the fastening unit 50 is rotatable to any one of the first and second frames 30a, 30b. Supported and fasten the other one as it rotates. In this case, the fastening unit 50 fixes the coupling between the first and second bodies 11 and 12 and the third and fourth bodies 21 and 22.

For example, referring to FIGS. 1, 3A, 3B, 5, and 8, the fastening unit 50 is hinged to one of the first and second frames 30a and 30b so that the first and second frames 30a and 30b are hinged. ) Is fastened to a fastening part provided in the other one, for example, the fastening pin 31a, and may couple and fix the first and second frames 30a and 30b.

3A, 3B, 4C, 5, 7B and 8, in one example, the fastening unit 50 is hinged and hinged behind the fastening surface of either one of the first and second frames 30a, 30b. Fastening hooks 53 spaced apart from the shaft 51 may be provided. For example, the fastening hook 53 may have a hook shape or a groove shape, for example, a curved groove 53. At this time, according to the hinge rotation of the fastening unit 50, the fastening hook 53, for example, the curved groove 53, the other of the first and second frames 30a and 30b is a fastening pin protruding from the fastening surface ( 31b) may be coupled to the first and second frames 30a and 30b.

For example, referring to FIGS. 1, 3A, 3B, 5, and 8, the fastening unit 50 may hinge-rotate side by side between the first and second connecting valve units 10 and 20. 30b) may be hinged to the hinge coupling portion 32 protruding rearward from the vertical structure portion 31. For example, the hinge shaft 51 is supported in the grooves 32a to the holes provided in the hinge coupling portion 32 and the fastening unit 50 may hinge rotate. For example, the hinge shaft 51 is coupled to the grooves 32a to the holes of the hinge coupling portion 32 as part of the fastening unit 50 or forms a part of the hinge coupling portion 32 although not shown in the figure. A hinge hole or a hinge groove to which the hinge shaft is coupled to 50 may be formed.

3A, 3B, 4C, 5, 7B, and 8, the fastening hook 53 is a hook shape (not shown) or a curved groove structure 53, and the hook or curved groove structure 53 is The locking inner side may be formed closer to the center of the hinge shaft 51 than the locking start side. The locking start side is a part where the locking starts according to the hinge rotation, and the locking inner side means a part where the maximum locking is performed according to the hinge rotation after the locking starts. In the curved groove structure 53, if only the outer curve is left, and the plate portion forming the inner curve is removed, the hook shape may be obtained. The hooked or curved groove structure 53 may attract the fastening pins 31b passing through the pin passing portion 31a and tightly couple the first and second frames 30a and 30b. That is, the first and second frames 30a and 30b may be brought into close contact with the fastening pin 31b by the cam method. For example, referring to FIG. 5, in one example, as long as the hook-shaped (not shown) or curved groove structure 53 is parallel to the engaging portion 131b protruding left and right at the distal end of the fastening pin 31b, It can be formed in pairs.

For example, referring to FIGS. 3B, 4A, 4B, 4C, 5, 7B, and 8, the fastening unit 50 may include a handle 55 to smoothly rotate the hinge. For example, the handle 55 may be integrally formed with the fastening unit 50 body having the hinge coupling part and the fastening hook 53 or detachably coupled to the fastening unit 50 body. 4A, 4B, 4C, 5, 7B, and 8, the handle 55 may be integrally formed with the fastening unit 50 body and may be seated in the fixing groove 36 formed in the mating frame 30b when fastening. For example, referring to FIGS. 4A, 4B, 5, and 7A, a handle extension part 55a may be further provided to be coupled to the handle 55 to extend the handle part so that the hinge operation may be easier. 1, 3a and 3b, the handle coupling groove 54 is formed in the body of the fastening unit 50, and the "┏━" type handle 55 in the handle coupling groove 54 during the fastening operation and separation operation, for example. Can be used by inserting. The handle 55 may be separated from the fastening unit 50 so that unintentional separation may not be easily performed. In addition, the locking unit 35 formed on one of the first and second frames 30a and 30b may prevent release of the fastening unit 50 from which the handle 55 is separated.

Pin Connector Unit (60)

In one example, the multi connecting valve device may further include a detachable pin connector unit 60. 4A, 4B, 4C, 5, 6, 7A, and 7B, the pin connector unit 60 connects the electric circuits in series according to the coupling fastening. 4A, 4B, 4C, 5, 6, 7A, and 7B, the pin connector unit 60 may include male and female pin connectors 60a and 60b. Each of the male and female pin connectors 60a and 60b is supported by different support holes 31c provided in the respective fastening surfaces of the first and second frames 30a and 30b, respectively, and connects the circuits in series according to the coupling fastening.

4C, 5, 7A, and 7B, in one example, the female pin connector 60b installed and supported on any one of the first and second frames 30a and 30b may protrude from the fastening surface. For example, the insertion bodies 12 and 22 may also protrude on the vertical structure 31 of the frame from which the female pin connector 60b protrudes.

For example, between the heat exchangers of the air conditioner, such as air conditioners, because not only the piping but also the electric cable is connected, the pin cable unit unit 60 can be easily separated and recombined with the fluid pipe.

Liquid Pipe Connecting Unit (70)

In one example, the multi-connecting valve device may further include a detachable liquid pipe connecting unit 70. 4A, 4B, 4C, 5, 6, 7C, and 9, the liquid pipe connecting unit 70 has an inner flow path opened by coupling. 4C, 7C, and 9, the liquid pipe connecting unit 70 may include first and second pipe connectors 71 and 72 and first and second pin valve bodies 73 and 74. The first and second pipe connectors 71 and 72 are supported by separate support holes 31c provided on the respective fastening surfaces of the first and second frames 30a and 30b, respectively, and the flow path holes 71a and 72a, respectively. ). Each of the first and second pin valve bodies 73 and 74 is elastically supported in each of the first and second pipe connectors 71 and 72 to open and close the flow path holes 71a and 72a. The flow path holes 71a and 72a may be opened when the first and second pipe connectors 71 and 72 are coupled to each other. For example, when the first and second pipe connecting members 71 and 72 are coupled to each other, the first and second pin valve bodies 73 and 74 may contact each other and be pushed backwards.

For example, referring to FIGS. 7C and 9, the liquid pipe connecting unit 70 may elastically reinforce the first and second pin valve bodies 73 and 74 inside the first and second pipe connectors 71 and 72, respectively. Rear support for guiding forward and backward of each of the first and second pin valve bodies 73 and 74 inside the supporting springs 75 and 76 and the first and second tube connectors 71 and 72 respectively. It may further include the (77, 78).

Referring to FIGS. 7C and 9, the front part of any one of the first and second pipe members 71 and 72 protrudes from the fastening surface and is inserted into the other when the fastening is engaged, and the front flow path hole 72a at the end thereof. This can be formed. The other one of the first and second pipe members 71 and 72 is provided on the inner side, but the sealing ring 71b for maintaining airtightness between the inserted front part and the inner flow path formed at the contact portion according to the insertion of the front part. The hole 71a can be provided. 7C and 9, each of the first and second pin valve bodies 73 and 74 may include front heads 73a and 74a and pin shafts 73b and 74b. Each front head 73a, 74a opens and closes each of the front and inner passage holes 72a, 71a, and each pin shaft 73b, 74b is connected to each front head 73a, 74a, and each rear support 77, 78). End portions of each of the front heads 73a and 74a may protrude to be pushed back to each other in contact with each other when the first and second pipe connectors 71 and 72 are engaged. For example, referring to FIG. 9, a sealing ring 173a is provided along the circumferential slopes of the front heads 73a and 74a to maintain airtightness when the inner and front flow path holes 71a and 72a are blocked.

[Air conditioning equipment]

Next, look at the air conditioning apparatus according to another aspect of the present invention. The air conditioner is an air conditioner connected by connecting piping to allow circulation between the first and second heat exchangers (not shown). For example, the main body, which is the first heat exchanger, and the responder (outdoor unit), which is the second heat exchanger, may be air conditioners connected by connecting pipes. At this time, one embodiment of the multi-connecting valve device according to one aspect of the present invention described above may be installed in the connecting pipe. Accordingly, the connection pipe is separated by the separation of the multi-connecting valve device, and the separation of the first and second heat exchange devices may be performed.

For example, in the case where the air conditioner main body and the air conditioner outdoor unit are connected to the connection pipe and the multi-connecting valve device according to any one of the above-described embodiments is installed in the connection pipe, the air conditioner main body and the air conditioner outdoor unit can be easily separated with little loss of refrigerant. And recombination can be done easily later.

At this time, the multi-connecting valve device installed in the connecting pipe will be described with reference to the embodiment of the above-described embodiment of the invention, the detailed description will be omitted.

In the foregoing description, the foregoing embodiments and the accompanying drawings are by way of example and not as limiting the scope of the present invention, but have been described by way of example to assist those of ordinary skill in the art. In addition, embodiments according to various combinations of the above configurations may be apparent to those skilled in the art from the foregoing detailed description. Accordingly, various embodiments of the invention may be embodied in a modified form without departing from the essential characteristics thereof, and the scope of the invention should be construed in accordance with the invention set forth in the claims, It includes various modifications, alternatives, and equivalents by those skilled in the art.

10, 20: first and second connecting valve unit
11, 21: first and third body or receiving side body
12, 22: second and fourth bodies or insertion-side bodies
11a, 21a: first sealing ring 11b, 21b: second sealing ring
12a, 22a: second valve seat hole 12b, 22b: second seat portion
12c, 22c: Insertion side body front part 12d, 22d: Residual pressure removing hole
13, 23: 1st and 3rd valve body or fixed valve body
14, 24: second and fourth valve bodies or actuated valve bodies
13a, 23a: 1st valve part 14a, 24a: 2nd valve part
13b, 14b, 23b, 24b: shaft portions 15, 25: sliding valve seat
15a, 25a: first valve seat hole 15b, 25b: first seat portion
16a, 26a: first spring 16b, 26b: second spring
17, 27: 1st valve body support part 18, 28: 2nd valve body support part
19, 19a, 19b, 29, 29a, 29b: tubular connector
30: frame unit 30a, 30b: first and second frames
31: vertical structure portion 31a: pin passing portion
31b: fastening pin 31c: support hole
32: hinge coupling portion 33: rear structure
35: locking unit 50: fastening unit
51: hinge shaft 53: fastening hook or curved groove
55: handle 55a: handle extension
60: pin connector unit 60a: male pin connector
60b: female pin connector 70: liquid pipe connecting unit
71, 72: first and second pipe connectors 71a, 72a: euro hole
73, 74: first and second pin valve bodies 73a, 74a: front head
73b, 74b: Pin shaft 75, 76: Support spring
77, 78: posterior support

Claims (13)

And first and second valve bodies for opening and closing the flow paths in the first and second bodies and the first and second bodies, respectively, when the first and second bodies are coupled and fastened. A detachable first connecting valve unit to which a coupling flow path of the opening is opened and each of the flow paths is blocked when the first and second bodies are separated;
And third and fourth valve bodies for opening and closing the flow paths in the third and fourth bodies and the third and fourth bodies, respectively, when the third and fourth bodies are coupled to each other. A detachable second connecting valve unit which is coupled to the opening of the opening and is disconnected from each flow path when the third and fourth bodies are separated, and is installed in parallel with the first connecting valve unit;
A detachable frame unit comprising a first frame supporting the first and third bodies and a second frame supporting the second and fourth bodies; And
And a fastening unit rotatably supported by any one of the first and second frames to fasten the other according to rotation and to secure the coupling between the first and second bodies and the third and fourth bodies. ,
The fastening unit has one side hinged to one of the first and second frames and the other side is fastened to a fastening part provided on the other of the first and second frames, and fixing and fixing the first and second frames. Let's
The first to fourth bodies are inserted into and supported in the support holes provided in the fastening surfaces of the first and second frames, respectively.
One of the first and second body and each of the front portion of any one of the third and fourth body protrudes from the fastening surface, the multi-connecting valve device, characterized in that inserted into the other of each other when coupled .
In claim 1,
A first sealing ring for retaining airtightness on each inner surface of the other of the first and second bodies and the other of the third and fourth bodies, respectively;
The respective front portions are inserted into the other of the first and second bodies and the other of the third and fourth bodies, respectively, between the first and second valve bodies and between the third and fourth valve bodies, respectively. A multi-connecting valve device, characterized in that the airtight is maintained while passing through the first sealing ring before the abutment.
In claim 1,
Further comprising at least one of a detachable pin connector unit in which the electrical circuit is connected in series according to the coupling fastening and a detachable liquid pipe connecting unit in which the inner flow path is opened during the coupling fastening.
The pin connector unit is supported by each of the other support holes provided in each coupling surface of the first and second frame and includes a male and female pin connector for connecting the circuit in series according to the coupling fastening,
The liquid pipe connecting unit is supported in separate support holes provided in the respective fastening surfaces of the first and second frames, respectively, and the first and second pipe connectors having the flow path holes, respectively, and the first and second pipe connections. And a first and second pin valve bodies elastically supported in each of the sieves to open and close the flow path holes, wherein the flow path holes are opened when the first and second pipe connecting bodies are coupled to each other. Multi connecting valve device.
In claim 3,
Female pin connectors installed and supported in any one of the first and second frames protrude from the fastening surface,
The liquid pipe connecting unit includes support springs for elastically supporting each of the first and second pin valve bodies in each of the first and second pipe connectors and the inside of each of the first and second pipe connectors. Further comprising rear supports for guiding forward and backward of each of the first and second fin valve bodies,
The front part of any one of the first and second pipe connectors protrudes from the fastening surface to be inserted into the other when the fastening is engaged, and a front flow path is formed at an end thereof, and among the first and second pipe connectors. The other one is provided on the inner side and provided with a sealing ring for maintaining the airtight between the inserted front and the inserted portion and the inner passage hole formed in the contact portion according to the insertion of the front,
Each of the first and second pin valve bodies includes a front head for opening and closing each of the front and inner flow path holes, and a pin shaft connected to the front head and penetrating the rear support part, and an end of the front head protrudes. The multi-connecting valve device, characterized in that the first and the second pipe connecting member is in contact with each other and pushed backward.
And first and second valve bodies for opening and closing the flow paths in the first and second bodies and the first and second bodies, respectively, when the first and second bodies are coupled and fastened. A detachable first connecting valve unit to which a coupling flow path of the opening is opened and each of the flow paths is blocked when the first and second bodies are separated;
And third and fourth valve bodies for opening and closing the flow paths in the third and fourth bodies and the third and fourth bodies, respectively, when the third and fourth bodies are coupled to each other. A detachable second connecting valve unit which is coupled to the opening of the opening and is disconnected from each flow path when the third and fourth bodies are separated, and is installed in parallel with the first connecting valve unit;
A detachable frame unit comprising a first frame supporting the first and third bodies and a second frame supporting the second and fourth bodies; And
And a fastening unit rotatably supported by any one of the first and second frames to fasten the other according to rotation and to secure the coupling between the first and second bodies and the third and fourth bodies. ,
The first and second connecting valve unit is formed in the same structure,
One of each of the first and second valve bodies is one of the insertion-side body and the other of the receiving-side body at the time of engagement coupling of the first and second bodies and engagement coupling of the third and fourth bodies. And one of the third and fourth valve bodies is a fixed valve body fixedly supported in the receiving side body, and the other is an operation valve body elastically supported in the insertion side body,
Each of the first and second connecting valve units further includes a sliding valve seat that is elastically supported in the receiving body and retracts with the insertion of the insertion body.
The sliding valve seat includes a first valve seat hole through which the fixed valve body penetrates and a first seat portion formed around the first valve seat hole and detachable from the first valve part of the fixed valve body, The first seat portion is dropped from the first valve portion in accordance with the retraction caused by insertion, and forms a through passage in the receiving body.
The insertion-side body has a second valve seat hole through which the actuated valve body penetrates and a second seat part protruding from the inner circumferential surface to form a periphery of the second valve seat hole, wherein the second valve part of the actuated valve body is detachable. The front end portion of the movable valve body contacts the front end portion of the fixed valve body according to the insertion of the insertion-side body, and the second valve portion is removed from the second seat portion by pushing the movable valve body backward. A multi-connecting valve device, characterized in that a through flow path is formed in the insertion side body.
In claim 5,
The fastening unit has one side hinged to one of the first and second frames and the other side is fastened to a fastening part provided on the other of the first and second frames, and fixing and fixing the first and second frames. Let's
The first to fourth bodies are inserted into and supported in the support holes provided in the fastening surfaces of the first and second frames, respectively.
One of the first and second body and each of the front portion of any one of the third and fourth body protrudes from the fastening surface, the multi-connecting valve device, characterized in that inserted into the other of each other when coupled .
In any one of claims 1 to 6,
The fastening unit has a fastening hook which is hinged at the rear of the fastening surface of any one of the first and second frames and spaced apart from the hinge axis,
The other one of the first and second frame protrudes on the fastening surface and has a fastening pin passing through the opposite fastening surface when the first and second frames are coupled,
The fastening hook is fastened to the fastening pin in accordance with the hinge rotation of the fastening unit, the multi-connecting valve device, characterized in that for coupling the first and second frame.
In claim 7,
Each of the first and second frames includes a vertical structure having the fastening surface.
One of the first and second frames further includes a hinge coupling portion protruding rearward from the vertical structure portion, the vertical structure portion protruding rearward of the hinge coupling portion includes a pin passing portion through which the fastening pin passes.
The fastening unit is hinged to the hinge coupling portion to rotate the hinge side by side between the first and second connecting valve unit,
The fastening hook is a hook-shaped or curved groove structure,
The hook-shaped or curved groove structure is formed so that the locking inner side is closer to the hinge axis center than the locking start side, and attracts the fastening pin passing through the pin passing portion to closely couple the first and second frames. Multi connecting valve device.
In claim 7,
One of the first and second frame further comprises a locking portion for preventing the release of the fastening unit fastened,
A locking portion protruding left and right is formed at the distal end of the fastening pin,
The fastening hook is a hook-shaped or curved groove structure,
The hook-shaped or curved groove structure is a multi-connecting valve device, characterized in that formed in parallel pairs corresponding to the engaging portion.
In claim 5 or 6,
Each of the first and second connecting valve units may elastically support the sliding valve seat in the receiving side body, and the sliding valve seat may be in close contact with the first seat part when the insertion side body is separated. A first spring providing a low elastic force and a second spring elastically supporting the operative valve body from the rear in the insertion side body and allowing the second valve portion to be in close contact with the second seat portion when the insertion side body is separated. More,
A second sealing ring is provided in the operation section of the sliding valve seat on the inner side of the receiving side body to maintain the airtightness between the inner circumferential surface of the receiving body and the outer circumferential surface of the sliding valve seat,
Each of the stationary and actuated valve bodies includes a shaft portion in addition to the valve portion, and each of the first and second valve portions protrudes in a disc shape around the shaft portion and is in close contact with each of the first and second seat portions. Multi-connecting valve device, characterized in that provided with a sealing portion to be.
In claim 10,
Each of the first and second connecting valve units is fixedly installed in the accommodating side body and fastened to a rear side of the shaft part to support the fixed valve body, and fixedly installed in the insertion side body. A second valve body support portion for guiding the forward and backward movement of the actuated valve body and supporting the actuated valve body through a guide hole through which the rear of the shaft portion of the valve body passes; and at least one of the receiving side and the inserting side body Multi-connecting valve device further comprises a pipe connector coupled to the rear of the.
In claim 5 or 6,
At least one residual pressure removing hole communicating with an inside is provided around the front portion of the insertion-side body,
One side of the fastening unit is hinged at the rear of the fastening surface of any one of the first and second frame and the other side is provided with a curved groove,
The other one of the first and second frame protrudes on the fastening surface and has a fastening pin passing through the opposite fastening surface when the first and second frames are coupled,
Multi-connecting valve device, characterized in that the curved groove is fastened to the fastening pin in accordance with the hinge rotation of the fastening unit to combine the first and second frame.
In the air conditioning equipment connected by the connecting pipe so that the refrigerant circulation between the first and second heat exchanger,
The multi-connecting valve device according to any one of claims 1 to 6 is installed in the connecting pipe, wherein the first and second heat exchange devices by separating the multi-connecting valve device can be carried out air conditioning equipment, characterized in that .

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