CN212737676U

CN212737676U - Four-way valve assembly, automobile air conditioner and automobile

Info

Publication number: CN212737676U
Application number: CN202020518060.3U
Authority: CN
Inventors: 许学飞; 符雪平
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-03-19
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a four-way valve assembly, an automobile air conditioner and an automobile, wherein the four-way valve assembly comprises a four-way valve and a rubber tube, wherein the four-way valve is provided with four connecting ends; the rubber tube is sleeved on the connecting end and communicated with the four-way valve. The utility model discloses technical scheme four-way valve subassembly's characteristics that the security performance is good.

Description

Four-way valve assembly, automobile air conditioner and automobile

Technical Field

The utility model relates to a cross valve field, in particular to cross valve assembly, vehicle air conditioner and car.

Background

When the air conditioner operates, the four-way valve receives vibration of each vibration source, for example, vibration generated by the movement of the compressor is transmitted to the four-way valve through the working medium pipe, the working medium processed by the compressor can also transmit the vibration to the four-way valve, and the vibration generated by the outdoor fan during operation can also be transmitted to the four-way valve.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a cross valve assembly aims at promoting cross valve and cross valve connecting line's security performance.

In order to achieve the above object, the utility model provides a cross valve assembly, include:

the four-way valve is provided with four connecting ends;

and the rubber tube is sleeved at the connecting end and communicated with the four-way valve.

Optionally, part or all of the connecting ends are provided with the rubber tube.

Optionally, the connecting end comprises a curved section; and/or the presence of a gas in the gas,

the four-way valve assembly further comprises a bent pipe, and the bent pipe is connected to the end part, far away from the connecting end, of the rubber pipe.

Optionally, the four-way valve assembly further comprises a fastening sleeve sleeved on the rubber pipe, and the rubber pipe is extruded by the fastening sleeve so as to be abutted against the connecting end.

Optionally, the connection end includes a working fluid coupling, the working fluid coupling comprising:

a body portion; and the number of the first and second groups,

the connecting structure is arranged on the outer surface of the pipe body part, the rubber pipe is abutted to the connecting structure, and the connecting structure comprises any one or more of a groove, a protrusion and a barb part.

Optionally, the connecting end further comprises a linking pipe, the linking pipe is connected to one end, far away from the rubber pipe, of the working medium pipe joint, and the tensile strength of the working medium pipe joint is greater than that of the linking pipe.

Optionally, the rubber tube comprises a shielding layer, an inner rubber layer, a reinforcing layer and an outer rubber layer which are sequentially arranged from inside to outside; or the rubber tube comprises an inner rubber layer, a shielding layer, a middle rubber layer, a reinforcing layer and an outer rubber layer which are sequentially arranged from inside to outside.

The utility model also provides a vehicle air conditioner, include:

the air conditioner outdoor unit comprises a compressor, a gas-liquid separator connected to an air inlet of the compressor, an outdoor heat exchanger and the four-way valve assembly;

the indoor air conditioner comprises an indoor heat exchanger; and the number of the first and second groups,

the working medium pipe assembly is connected with the air conditioner indoor unit and the air conditioner outdoor unit;

the rubber tube is arranged between the four-way valve and any one of the compressor, the gas-liquid separator, the outdoor heat exchanger and the indoor heat exchanger.

Optionally, the four-way valve assembly has the rubber pipes disposed at a plurality of connection ends of the four-way valve, and the rubber pipes are disposed between the four-way valve and at least one of the compressor, the gas-liquid separator, the outdoor heat exchanger, and the indoor heat exchanger.

Optionally, the working medium pipe assembly comprises a rubber pipe connecting the indoor heat exchanger and the outdoor heat exchanger.

Optionally, vehicle air conditioner includes the connecting pipe subassembly, the connecting pipe subassembly includes working medium pipe subassembly, electric wire, drain pipe and ribbon, the ribbon is binded the working medium pipe subassembly the electric wire with the drain pipe.

Optionally, the vehicle air conditioner further comprises a wire fixing buckle, the working medium pipe assembly penetrates through the wire fixing buckle, and the wire fixing buckle is used for being installed on the surface of a vehicle body.

The utility model discloses still provide an automobile, include:

a vehicle body; and the number of the first and second groups,

in the automobile air conditioner, the air conditioner indoor unit is arranged on the inner surface of the automobile body, the air conditioner outdoor unit is arranged on the outer surface of the automobile body, and the working medium pipe assembly penetrates through the automobile body.

The utility model discloses technical scheme adopts the rubber tube connection the cross valve, because its own has good damping performance of rubber tube, will the rubber tube is connected on the cross valve, work as when the cross valve receives vibrations, on the one hand the rubber tube can carry out the shock attenuation through its self peculiar gentle elastic energy, and the rubber tube itself is difficult to take place to ftracture or split because of vibrations, on the other hand, the rubber tube can effectively absorb vibrations to reduce the vibrations atress on the cross valve, reach the protection the purpose of cross valve can also effectively reduce the noise that vibrations produced simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the four-way valve assembly of the present invention;

FIG. 2 is a schematic structural diagram of the four-way valve assembly of FIG. 1 in an assembled state of a working medium pipe joint, a rubber pipe and a fastening sleeve;

FIG. 3 is a schematic view of a portion of another embodiment of a four-way valve assembly according to the present invention;

FIG. 4 is a schematic view of a portion of another embodiment of the four-way valve assembly of the present invention;

FIG. 5 is a schematic view of a portion of another embodiment of the four-way valve assembly of the present invention;

FIG. 6 is a schematic view of a working medium pipe quick joint structure according to another embodiment of the four-way valve assembly of the present invention;

fig. 7 is a schematic structural diagram of an embodiment of the novel automobile.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a cross valve assembly.

In the embodiment of the present invention, as shown in fig. 1, the four-way valve assembly comprises a four-way valve 710 and a rubber hose 200, wherein the four-way valve 710 has four connecting ends 711; the rubber tube 200 is sleeved on the connecting end 711, and the rubber tube 200 is communicated with the four-way valve 710. It should be noted that the four-way valve 710 may include a four-way valve 710 body, and the connection end 711 may be a connection end 711 belonging to the four-way valve 710 body; the four-way valve 710 may include a four-way valve 710 body and a connection port 711 connected to the four-way valve 710 body, and the connection port 711 may be communicated with the four-way valve 710 body.

The utility model discloses technical scheme adopts rubber tube 200 to connect cross valve 710, because rubber tube 200 itself has good damping performance, will rubber tube 200 is connected on cross valve 710, work as when cross valve 710 receives vibrations, on the one hand rubber tube 200 can carry out the shock attenuation through its self peculiar gentle elastic energy, and rubber tube 200 itself is difficult to take place fracture or fracture because of vibrations, on the other hand, rubber tube 200 can effectively absorb vibrations to reduce the vibrations atress on the cross valve 710, reach the protection cross valve 710's purpose can also effectively reduce the noise that vibrations produced simultaneously.

The four-way valve assembly of this embodiment is not limited to the rubber hose 200 being disposed at one connection end 711 of the four-way valve 710, and as shown in fig. 1, the rubber hose 200 may be disposed at some or all of the four connection ends 711, and since the four connection ends 711 of the four-way valve 710 may be paths for transmitting external vibration to the four-way valve 710, the rubber hose 200 can be used to reduce vibration transmitted to the four-way valve 710 through a working medium pipe at the connection ends 711 or the four connection ends 711, and the four-way valve assembly has a good damping effect. In addition, the hose 200 has a characteristic of flexibility, and can be applied to a complicated installation space.

Further, in this embodiment, as shown in fig. 1, the four-way valve assembly further includes a bending section 720, the bending section 720 is connected to the end of the rubber hose 200 away from the connection end 711, specifically, the bending section 720 is in a U-shaped configuration, and when a working medium passes through a U-shaped pipeline, resonance of the working medium can be effectively destroyed, which is beneficial to reducing vibration of the working medium and noise generated by the working medium. The rubber tube 200 is matched with the bending section 720, and has the characteristic of good damping effect. Of course, rubber tube 200 described in this embodiment also can be the setting of U type, rubber tube 200 combines the U type structure realization of its gentle elasticity characteristic to reach pipeline shock attenuation also can be to the absorbing effect of working medium. Because this embodiment adopts rubber tube 200 to carry out the shock attenuation, can effectively reduce the setting of metal U type working medium pipe, has the characteristics that effectively promote cross valve 710 installation convenience. It should be noted that the four-way valve 710 of the present embodiment is not limited to the above technical solution, and in other embodiments, the curved section 720 may be in an S shape; the bending section 720 is in an O shape, and has a shock absorption effect; the connecting end can also comprise a bent section, the bending degree is matched with the rubber pipe, and the rubber pipe has the advantage of good damping effect.

Further, in this embodiment, the four-way valve assembly further includes a fastening sleeve 300 covering the rubber hose 200, and the fastening sleeve 300 presses the rubber hose 200 to make the rubber hose 200 abut against the connection end 711. When the working medium pipe connection structure 120 is assembled, the fastening sleeve 300 is arranged behind the rubber pipe 200 and is extruded by external force, so that the fastening sleeve 300 deforms, the deformed fastening sleeve 300 extrudes the rubber pipe 200, the rubber pipe 200 deforms along with the fastening sleeve 300, the fastening sleeve 300 is fastened on the rubber pipe 200, the rubber pipe 200 is extruded after being pressed, and the working medium pipe joint 100 is extruded, so that the rubber pipe 200 and the working medium pipe joint 100 are tightly matched.

Further, in this embodiment, as shown in fig. 2, connection end 711 includes working medium pipe joint 100, working medium pipe joint 100 includes pipe body 110 and connection structure 120 disposed on an outer surface of pipe body 110, rubber hose 200 abuts against connection structure 120, and connection structure 120 includes barb 123. Rubber tube 200 receive can take place after the adapter sleeve extrusion with connection structure 120 adaptation's deformation, thereby realize rubber tube 200 with barb portion 123's cooperation, barb portion 123 can effectively prevent rubber tube 200 is in take place to loosen and take place on the working medium coupling 100. Specifically, the working medium pipe joint 100 comprises a plurality of barb portions 123, the pipe body portion 110 is used for communicating the rubber pipe 200, the barb portions 123 are arranged on the outer surface of the pipe body portion 110, the barb portions 123 comprise first barb portions 124 facing one end of the pipe body portion 110 and second barb portions 125 facing the other end of the pipe body portion 110, and the first barb portions 124 and the second barb portions 125 are both used for connecting the rubber pipe 200. When the working medium pipe joint 100 is used, at least part of the working medium pipe joint 100 is inserted into the rubber hose 200, so that the first barb part 124 and the second barb part 125 are used for contacting the inner wall surface of the rubber hose 200, and the tight connection with the rubber hose 200 is realized. In the embodiment, a first barb 124 and a second barb 125 are arranged on the outer surface of a pipe body 110, the first barb 124 is arranged to face one end of the pipe body 110, the second barb 125 faces the other end of the pipe body 110, and when the rubber hose 200 is subjected to an external force along the axial direction of the working medium pipe joint 100 and opposite to the direction of the first barb 124, the first barb 124 can effectively hook the rubber hose 200, so that the rubber hose 200 is prevented from loosening; when the rubber pipe 200 is subjected to an external force along the axial direction of the working medium pipe joint 100 and in the direction opposite to the direction of the second barb part 125, the second barb part 125 can effectively hook the rubber pipe 200, and the rubber pipe 200 is prevented from being loosened. Therefore, the working medium pipe joint 100 has a bidirectional anti-dropping function in the axial direction, and the firmness of the connection of the working medium pipe joint 100 to the rubber pipe 200 can be effectively enhanced. The connecting structure 120 of this embodiment is not limited to the barb portion, and in other embodiments, the connecting structure may include a groove; the connecting structure can also comprise a groove and a boss, and the groove and the boss can be matched with the rubber tube, so that the connecting structure has the effect of strengthening the connecting strength of the rubber tube and the working medium tube connector.

In this embodiment, the rubber tube 200 includes a shielding layer, an inner rubber layer, a reinforcing layer and an outer rubber layer, which are sequentially arranged from inside to outside; the shielding layer is abutted to the barb part 123, and the outer adhesive layer is abutted to the fastening sleeve. The rubber tube 200 comprises a shielding layer, an inner rubber layer, a reinforcing layer and an outer rubber layer which are arranged in sequence from inside to outside. The rubber tube 200 is affected by the material, and the organic small molecules are easy to permeate the rubber tube 200 when the working medium containing the organic small molecules flows through. Therefore, the embodiment adopts a multilayer structure, on one hand, the anti-permeation performance of the rubber hose 200 is guaranteed, the permeation of organic small molecules is reduced or prevented, and on the other hand, the strength of the rubber hose 200 is favorably improved, so that when the rubber hose 200 is bent, the phenomenon that working medium in the rubber hose 200 flows and is blocked due to the fact that the rubber hose 200 is folded flatly is avoided, and the safety and the stability of the working medium pipe assembly are guaranteed.

Further, in this embodiment, the inner rubber layer is any one of an ethylene propylene diene monomer inner rubber layer, a chlorosulfonated polyethylene inner rubber layer, a butyl rubber inner rubber layer, a chlorinated butyl rubber inner rubber layer, or a brominated butyl rubber inner rubber layer; the outer rubber layer is any one of an ethylene propylene diene monomer outer rubber layer, a chlorosulfonated polyethylene outer rubber layer, a butyl rubber outer rubber layer, a chlorinated butyl rubber outer rubber layer or a brominated butyl rubber outer rubber layer; the shielding layer is a nylon shielding layer; the reinforced layer is a terylene reinforced layer or a polyvinyl alcohol reinforced layer, and has the characteristics of good anti-seepage effect, good flexibility, good shock absorption effect and high mechanical strength. For example, the inner rubber layer is an ethylene propylene diene monomer inner rubber layer, the outer rubber layer is a chlorinated butyl rubber outer rubber layer, the shielding layer is a nylon shielding layer, and the reinforcing layer is a polyester reinforcing layer; or the inner rubber layer is a chlorinated butyl rubber inner rubber layer, the outer rubber layer is a chlorosulfonated polyethylene outer rubber layer, the shielding layer is a nylon shielding layer, and the reinforcing layer is a polyvinyl alcohol reinforcing layer; the inner rubber layer is a chlorosulfonated polyethylene inner rubber layer, the outer rubber layer is a brominated butyl rubber outer rubber layer, the shielding layer is a nylon shielding layer, and the reinforcing layer is a polyvinyl alcohol reinforcing layer.

Certainly, the rubber tube 200 of this embodiment is not limited to the above technical solution, and in other embodiments, the rubber tube may further include an inner rubber layer, a shielding layer, a middle rubber layer, a reinforcing layer, and an outer rubber layer, which are sequentially disposed from inside to outside, and have the characteristics of good anti-permeability performance and high strength; further, the inner rubber layer is any one of an ethylene propylene diene monomer inner rubber layer, a chlorosulfonated polyethylene inner rubber layer, a butyl rubber inner rubber layer, a chlorinated butyl rubber inner rubber layer or a brominated butyl rubber inner rubber layer; the middle rubber layer is any one of an ethylene propylene diene monomer middle rubber layer, a chlorosulfonated polyethylene middle rubber layer, a butyl rubber middle rubber layer, a chlorinated butyl rubber middle rubber layer or a brominated butyl rubber middle rubber layer; the outer rubber layer is any one of an ethylene propylene diene monomer outer rubber layer, a chlorosulfonated polyethylene outer rubber layer, a butyl rubber outer rubber layer, a chlorinated butyl rubber outer rubber layer or a brominated butyl rubber outer rubber layer; the shielding layer is a nylon shielding layer; the reinforced layer is a terylene reinforced layer or a polyvinyl alcohol reinforced layer; more specifically, the inner rubber layer is an ethylene propylene diene monomer inner rubber layer, the outer rubber layer is a chlorinated butyl rubber outer rubber layer, the middle rubber layer is an ethylene propylene diene monomer middle rubber layer, the shielding layer is a nylon shielding layer, and the reinforcing layer is a polyester reinforcing layer; or the inner rubber layer is a chlorinated butyl rubber inner rubber layer, the outer rubber layer is a chlorosulfonated polyethylene outer rubber layer, the middle rubber layer is a chlorosulfonated polyethylene middle rubber layer, the shielding layer is a nylon shielding layer, and the reinforcing layer is a polyvinyl alcohol reinforcing layer; the inner rubber layer is chlorosulfonated polyethylene inner rubber layer, the outer rubber layer is brominated butyl rubber outer rubber layer, the middle rubber layer is brominated butyl rubber, the shielding layer is a nylon shielding layer, and the reinforcing layer polyvinyl alcohol reinforcing layer has good anti-seepage and shock absorption functions.

Further, in this embodiment, as shown in fig. 1, connection end 711 further includes an engagement tube 712, where engagement tube 712 is connected to an end of working medium tube joint 100 away from rubber hose 200, and tensile strength of working medium tube joint 100 is greater than tensile strength of engagement tube 712. The technical scheme of the utility model adopts the working medium pipe joint 100 with the tensile strength larger than the connecting pipe 712 to connect the rubber pipe 200, so that the pressure when the fastening sleeve is installed acts on the working medium pipe joint 100 with the larger strength, the working medium pipe joint 100 is not easy to deform or the generated deformation is smaller than that of the working medium pipe, on one hand, the gap between the working medium pipe joint 100 and the rubber pipe 200 generated by the deformation of the working medium pipe joint 100 can be reduced or avoided, and the rubber pipe 200 can be connected with the working medium pipe joint 100 tightly; on the other hand, the working medium in the working medium pipe joint 100 can flow normally. It should be noted that the connection manner between working medium pipe joint 100 and adapter pipe 712 may be welding, which has the advantage of stable connection between working medium pipe joint 100 and adapter pipe 712, and is not easy to loosen due to vibration. Certainly, in other embodiments, the connection mode between the working medium pipe joint and the connecting pipe can also be riveting, so that the working medium pipe joint has the characteristics of stable connection and convenience in installation; or the working medium pipe joint and the connecting pipe are connected in a threaded manner, so that the device has the characteristic of convenience in disassembly and assembly.

In another embodiment, as shown in fig. 3, a pressure relief hole 310 is formed on the fastening sleeve 300, and two openings of the pressure relief hole 310 are respectively located on the inner surface and the outer surface of the fastening sleeve 300. When the fastening sleeve 300 is assembled, the fastening sleeve 300 deforms and extrudes the rubber hose 200, the air between the fastening sleeve 300 and the rubber hose 200 is partially discharged, the air left between the rubber hose 200 and the fastening sleeve 300 tends to flow to the pressure relief cavity due to the flexibility of the rubber hose 200 and is intensively discharged from the pressure relief hole 310, so that an isolation layer is formed between the rubber hose 200 and the fastening sleeve 300, the increase of the contact area between the rubber hose 200 and the fastening sleeve 300 is facilitated, on the other hand, the pressure relief cavity can be used for the rubber hose 200 after deformation to enter, the rubber hose 200 has an extension space, the stress on the rubber hose 200 is more uniform, the local stress on the rubber hose 200 is prevented from being too concentrated, and meanwhile, the pressure of the rubber hose 200 on the working medium pipe joint 100 is more balanced, the connection tightness and the connection stability between the rubber pipe 200 and the working medium pipe joint 100 are improved.

Further, the fastening sleeve 300 comprises an aluminum sleeve, has the characteristics of convenience in processing and light weight, and is favorable for improving the convenience in connecting the rubber pipe 200 and the working medium pipe joint 100. Certainly, the fastening sleeve 300 is not limited to an aluminum sleeve, and in other embodiments, the fastening sleeve 300 may be a steel sleeve, and has the characteristics of high strength and stability in fastening the rubber hose 200; or, the fastening sleeve 300 is a copper sleeve, has the characteristic of good processing performance, and is convenient for assembling the fastening sleeve 300 with the rubber pipe 200 and the working medium pipe joint 100.

Specifically, one end of the fastening sleeve 300 goes over the rubber hose 200, and the end of the fastening sleeve 300 that goes over the rubber hose 200 is provided with a limiting flange 320 extending to the axis of the fastening sleeve 300. The limiting flanging 320 can be used for abutting against the rubber pipe 200, so that the limiting flanging 320 can effectively improve the connection stability between the fastening sleeve 300 and the rubber pipe 200.

In yet another embodiment, as shown in fig. 4 and 5, the working fluid tube assembly further comprises a heat shrink tube 400, the heat shrink tube 400 being disposed between the working fluid tube connector 100 and the fastening sleeve 300 to isolate the fastening sleeve 300 from the working fluid tube connector 100; the working medium pipe is made of metal, and the fastening sleeve 300 is also made of metal, so that a potential difference is usually set between the fastening sleeve 300 and the working medium pipe joint 100, electrochemical corrosion is easily caused when the fastening sleeve 300 contacts with the working medium pipe joint 100, and the electrochemical corrosion has great harm to the working medium pipe joint 100 and the fastening sleeve 300, so that the working medium pipe joint 100 and the fastening sleeve 300 need to be isolated by the heat shrinkable tube 400 to prevent the electrochemical corrosion between the working medium pipe and the fastening sleeve 300. In other embodiments, a part of the heat shrinkable tube 400 is sleeved with the working medium tube connector 100, another part of the heat shrinkable tube 400 is sleeved with the fastening sleeve 300, the heat shrinkable tube 400 is in sealing abutment with the working medium tube connector 100 and the fastening sleeve 300, and the fastening sleeve 300 seals the abutting joint of the fastening sleeve 300 and the working medium tube connector 100, so as to prevent air and water from entering between the fastening sleeve 300 and the working medium tube connector 100, thereby preventing electrolyte from being generated between the fastening sleeve 300 and the working medium tube connector 100, and preventing electrochemical corrosion from occurring between the fastening sleeve 300 and the working medium tube connector 100.

Further, in another embodiment, as shown in fig. 6, a male joint of the working medium pipe quick connector is arranged at one end of the metal pipe 600 away from the rubber hose 200, or a female joint of the working medium pipe quick connector is arranged at one end of the metal pipe 600 away from the rubber hose 200, or a male joint and a female joint of the working medium pipe quick connector are arranged at one end of the metal pipe 600 away from the rubber hose 200. The outer surface of the male connector is provided with threads; the female joint comprises an insertion pipe and a nut connected to the outer surface of the insertion pipe, the insertion pipe extends into the male joint, the insertion pipe is in sealing butt joint with the male joint, and the nut is in threaded connection with the male joint. The free end of metal pipe 600 sets up the joint, can be effective the convenient performance of working medium pipe assembly installation.

The technical scheme of the utility model, the nut 522 that adopts female joint 520 cooperates male joint 510, stretches into female joint 520's intubate 521 in the male joint 510, the surface of intubate 521 with the internal surface butt of male joint 510 is favorable to promoting the intubate 521 with the butt area between the male joint 510 is big to promote the leakproofness of the connection between intubate 521 and the male joint 510; the rotation of the nut 522 can adjust the pressure of the nut 522 pressing the male joint 510, so that the male joint 510 can be tightly abutted to the insertion pipe 521 by rotating the nut 522, which is beneficial to improving the tightness of the connection between the male joint 510 and the female joint 520. In addition, when the male connector 510 and the female connector 520 are assembled, the cannula 521 is inserted into the male connector 510 to pre-position the female connector 520, and then the nut 522 is rotated to fasten the male connector 510 and the female connector 520, and when the male connector 510 and the female connector 520 are disassembled, only the nut 522 is required to be loosened, and then the female connector 520 is required to be pulled out, so that the male connector 510 and the female connector 520 can be disassembled simply and conveniently.

Further, the male connector 510 includes: the valve comprises a mounting pipe 515, a piston 518 and a first elastic resetting piece 530, wherein the mounting pipe 515 is provided with threads on the outer surface of the mounting pipe 515, a first valve port 516 is formed inside the mounting pipe 515, and specifically, a clamping ring is arranged on the inner surface of the mounting pipe 515 and forms the first valve port 516; a piston 518 is installed in the installation pipe 515, and the piston 518 movably covers the first valve port 516; a first elastic restoring member 530 is installed in the installation tube 515, and the first elastic restoring member 530 is connected with the piston 518 to drive the piston 518 to cover the first valve port 516; the female connector 520 further comprises a spike 528 disposed within the insertion tube 521, the spike 528 being adapted to abut against the piston 518, the piston 518 having a first position in which the spike 528 abuts to open the first valve port 516 and a second position in which the first valve port 516 is closed. Specifically, before the male connector 510 is not installed, the first elastic restoring element 530 drives the piston 518 to close the first valve port 516, and after the male connector 510 is assembled with the female connector 520, the needle 528 abuts against the piston 518 to push the piston 518 to move, so that the piston 518 opens the first valve port 516, and the male connector 510 is communicated with the female connector 520. Therefore, the male connector 510 is only conducted in an assembly state, so that the working medium pipe connected with the male connector 510 can be directly assembled even if working medium is reserved inside the working medium pipe, the working medium pipe does not need to be added with the working medium after the male connector 510 is installed, and the male connector has the advantage of being convenient to operate. Especially, when the quick connector is applied to an automobile air conditioner, the pipeline may break down at any place due to the fact that the automobile air conditioner is bumpy for a long time, and the quick connector 500 of the working medium pipe in the embodiment is convenient for overhauling the pipeline anytime and anywhere, and the quick connector does not need to worry about working medium leakage at the end of the male connector 510, so that the quick connector has the characteristic of being convenient to disassemble, assemble and overhaul.

Further, the piston 518 is axially slidably mounted in the mounting tube 515 along the mounting tube 515. After the piston 518 is abutted by the ejector pin 528, the piston 518 slides along the axis of the mounting tube 515 in a direction away from the insertion tube 521, and after the ejector pin 528 is released, the piston 518 slides along the axis of the mounting tube 515 in a direction close to the insertion tube 521 under the action of the first elastic restoring piece 530. Since the movement direction of the thimble 528 moves along the axial direction of the mounting tube 515 when the insertion tube 521 is inserted into the male connector 510, the movement directions of the piston 518 and the thimble 528 are consistent, which is beneficial to make the thimble 528 reliably and continuously abut against the piston 518. Of course, the piston 518 is not limited to the above technical solution, and in other embodiments, the piston 518 may be rotatably connected to the installation tube 515, so that the piston 518 is convenient to install.

Further, the first elastic restoring member 530 includes: a spring seat 531, and a first spring 532, wherein the spring seat 531 is connected with the mounting tube 515, and the spring seat 531 is located on a side of the first valve port 516 away from the insertion tube 521; one end of the first spring 532 is connected to the spring seat 531, and the other end is connected to the piston 518. When the thimble 528 abuts against the piston 518, the first spring 532 is stressed to contract, and when the thimble 528 is released, the first spring rebounds to push the piston 518 to close the first valve port 516, so as to close the male connector 510, and the characteristic of stable opening and closing of the piston 518 is achieved.

Further, a contact block 519 is convexly disposed on a surface of the piston 518, the contact block 519 is located between the spring seat 531 and the first valve port 516, the piston 518 is sleeved with the first spring 532, and an end of the first spring 532, which is away from the spring seat 531, is connected to the contact block 519. The butt is used for butt the first spring 532, has the convenience the advantage of first spring 532 installation, and is favorable to first spring 532 stably installs.

Further, the cannula 521 includes: the base pipe 525, the valve sleeve 526 and the second elastic resetting piece 540, wherein part of the valve sleeve 526 is arranged in the base pipe 525, the valve sleeve 526 is arranged in a sliding manner along the axial direction of the base pipe 525, the valve sleeve 526 is connected with the cannula 521 in a sealing manner, the valve sleeve 526 is sleeved on the thimble 528, a second valve port 527 is formed at one end of the valve sleeve 526 far away from the base pipe 525, the thimble 528 has a plug 529 matched with the second valve port 527, and the plug 529 is located at one side of the valve sleeve 526 far away from the base pipe 525; a second resilient return member 540 mounted within the base pipe 525, the second resilient return member 540 being coupled to the valve sleeve 526 to actuate the valve sleeve 526 to connect with the plug 529; the inner surface of the mounting tube 515 is formed with a stopper protrusion 517, the stopper protrusion 517 is adapted to abut against the valve sleeve 526, and the valve sleeve 526 has a third position abutting against the stopper protrusion 517 to open the second valve port 527, and a fourth position abutting against the plug 529. The second resilient return member 540 tends to push the valve sleeve 526 out of the base pipe 525, so that when the female connector 520 is assembled, the second return spring pushes the valve sleeve 526, so that the plug 529 blocks the second valve port 527 of the valve sleeve 526, so that the female plug remains closed when the female plug is not assembled. When the female plug is assembled with the male plug, the valve sleeve 526 of the female plug is pressed by the limit protrusion 517 and shrinks towards the inside of the base pipe 525, so that the second valve port 527 is opened, and the female joint 520 is conducted. Therefore, when the female connector 520 abuts against the male connector 510, the female connector 520 and the male connector 510 are electrically connected. Therefore, the application of the female joint 520 and the male joint 510 can greatly facilitate the installation and the disassembly of the working medium pipe, before the female joint 520 and the male joint 510 are disassembled, the working medium does not need to be controlled in advance, after the female joint 520 and the male joint 510 are butted, the valve sleeve 526 is located at the third station, the piston 518 is located at the first station, and the female joint 520 and the male joint 510 are automatically conducted without separately vacuumizing.

Further, the second elastic restoring member 540 includes: the fixing frame 541 and the second spring 542 are connected, and the fixing frame 541 is connected with the sleeve; one end of the second spring 542 is connected to the fixing frame 541, and the other end is connected to the valve sleeve 526, and the second spring 542 is located on one side of the fixing frame 541 close to the male connector 510. The fixing frame 541 is arranged to facilitate installation convenience of the second spring 542. The second spring 542 tends to urge the valve body such that the second valve port 527 is closed by the plug 529. The spring is arranged on the driving piece, so that the device has the advantage of small influence on the flow of the working medium. More specifically, a thimble 528 is arranged in the base pipe 525 of the female joint 520, the thimble 528 is connected with the base pipe 525 through a fixing frame 541, the second spring 542 is connected with the base pipe 525 through the fixing frame 541, the plug 529 is arranged at one end of the thimble 528, and the thimble 528 is sleeved with the second spring 542, so that the characteristic that the second spring 542 is stably installed is provided.

Further, the outer surface of the base pipe 525 is provided with a mounting groove 524, and an end of the nut 522 away from the male connector 510 is at least partially rotatably disposed in the mounting groove 524. Specifically, an installation flange 523 extending towards the base pipe 525 is arranged at one end of the nut 522 away from the male joint 510, the installation flange 523 is matched with the installation groove 524, the nut 522 is fixed in the installation groove 524, so that the nut 522 is convenient to install, the nut 522 can push the ejector pin 528 to jack the piston 518 and push the limiting protrusion 517 to jack the valve sleeve 526 while being fastened and rotated, and the first valve port 516 and the second valve port 527 are communicated, so that the installation is convenient.

The utility model discloses still provide a vehicle air conditioner, as shown in FIG. 7, this vehicle air conditioner outdoor unit 800, the machine 700 in the air conditioning, working medium pipe assembly, air conditioner outdoor unit 800 includes the four-way valve subassembly, and the concrete structure of this four-way valve subassembly refers to above-mentioned embodiment, because this vehicle air conditioner has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not repeated here one by one again.

The air conditioner outdoor unit 700 comprises a compressor, a gas-liquid separator connected to an air inlet of the compressor, and an outdoor heat exchanger; the indoor air conditioner 700 includes an indoor heat exchanger; the working medium pipe assembly is connected with the air conditioner indoor unit 700 and the air conditioner outdoor unit 800; the hose 200 is provided between the four-way valve 710 and any one of the compressor, the gas-liquid separator, the outdoor heat exchanger, and the indoor heat exchanger. Through the rubber tube 200 carries out the shock attenuation, can effectively protect the working medium pipe assembly. In addition, because vehicle air conditioner is for installing on the car, when the car jolts from top to bottom, all pipelines in vehicle air conditioner all can receive the power of upper and lower direction because of inertia, when the car accelerates or slows down, all pipelines in vehicle air conditioner all can receive the power of fore-and-aft direction because of inertia, rubber tube 200 can weaken the power way through elastic deformation, has the effect of shock attenuation buffering, can effectively avoid the pipeline to take place to break or damage.

In the air conditioner for a vehicle according to this embodiment, the rubber hose 200 is not limited to be provided between the four-way valve 710 and only one of the compressor, the gas-liquid separator, the outdoor heat exchanger, or the indoor heat exchanger. In other embodiments, the four-way valve assembly may further include a plurality of connection ends 711 of the four-way valve 710, the rubber hoses 200 are disposed between the four-way valve 710 and a plurality of the compressor, the gas-liquid separator, the outdoor heat exchanger, and the indoor heat exchanger, and the rubber hoses 200 may effectively enhance a damping effect on the four-way valve 710 and a working medium pipeline in an automotive air conditioner.

Further, in this embodiment, the working medium pipe assembly includes a rubber hose 200 connecting the indoor heat exchanger and the outdoor heat exchanger. Because vehicle air conditioner installs on the car, the pipeline between machine 700 in the air conditioning with air condensing units 800 can shake because automobile body 900 shakes, and the working medium pipe assembly needs to be connected with automobile body 900, therefore the working medium pipe assembly has the risk of colliding with automobile body 900 and damaged, rubber tube 200 can effectively reduce damaged risk, promotes the security performance that the working medium pipe assembly used.

Further, in this embodiment, the vehicle air conditioner includes connecting pipe assembly 730, connecting pipe assembly 730 includes working medium pipe assembly, electric wire, drain pipe and ribbon, the ribbon is binded working medium pipe assembly the electric wire with the drain pipe. The ribbon is used for with the working medium pipe assembly the electric wire with water piping connection is in the same place, has the effect of arrangement circuit, because the rubber tube 200 the electric wire with the water pipe all has the flexibility, makes connecting tube assembly 730 has good bending property, conveniently installs in the construction situation according to the scene, in addition connecting tube assembly 730 still has good shock-absorbing function, is favorable to reducing the noise.

Further, in this embodiment, the vehicle air conditioner further includes a wire fixing buckle 740, the working medium pipe assembly penetrates through the wire fixing buckle 740, and the wire fixing buckle 740 is used for being installed on the surface of the vehicle body 900. Specifically, the air conditioner indoor unit 700 is installed on the inner surface of the vehicle body 900, the air conditioner outdoor unit 800 is installed on the outer surface of the vehicle body 900, the working medium pipe assembly is partially located in the vehicle body 900 and partially located outside the vehicle body 900, the wire fixing buckle 740 fixes the working medium pipe assembly on the surface of the vehicle body 900, so that the working medium pipe assembly is prevented from being greatly shaken, the collision between the working medium pipe assembly and the vehicle body 900 can be effectively reduced and relieved, the safety performance of the working medium pipe assembly is improved, and meanwhile, the vibration noise can be reduced.

Further, in this embodiment, the working medium pipe assembly is slidably inserted through the wire fixing buckle 740. When the working medium pipe assembly is fixed to the wire fixing buckle 740, and the working medium pipe receives external force, the joint of the working medium pipe assembly and the wire fixing buckle 740 becomes a stress concentration point, and the damage is easy to occur. Therefore, the working medium pipe assembly has a certain degree of freedom in the wire fixing buckle 740, can slide in the wire fixing buckle 740 when external force is applied, and can be buffered by matching with the flexibility of the rubber pipe 200, so that the use safety performance of the working medium pipe assembly can be effectively improved.

The utility model discloses still provide an automobile, this automobile include automobile body 900 and vehicle air conditioner, as shown in FIG. 7, this vehicle air conditioner's concrete structure refers to above-mentioned embodiment, because this automobile has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The air conditioner indoor unit 700710 is installed on the inner surface of the vehicle body 900, the air conditioner outdoor unit 800 is installed on the outer surface of the vehicle body 900, and the working medium pipe assembly penetrates through the vehicle body 900.

The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A four-way valve assembly, comprising:

the four-way valve is provided with four connecting ends;

the rubber tube is sleeved at the connecting end and is communicated with the four-way valve;

the connecting end comprises a curved section; and/or, the four-way valve assembly further comprises a bent pipe, and the bent pipe is connected to the end part, far away from the connecting end, of the rubber pipe.

2. The four-way valve assembly of claim 1, wherein some or all of the connection ends are provided with the hose.

3. The four-way valve assembly of claim 1, further comprising a fastening sleeve that sleeves the hose, wherein the fastening sleeve compresses the hose to abut the hose against the connection end.

4. The four-way valve assembly of claim 3, wherein the connection end comprises a working fluid coupling, the working fluid coupling comprising:

a body portion; and the number of the first and second groups,

5. The four-way valve assembly of claim 4, wherein the connection end further comprises an adapter tube connected to an end of the working fluid tube connector remote from the hose, the tensile strength of the working fluid tube connector being greater than the tensile strength of the adapter tube.

6. The four-way valve assembly of claim 1, wherein the hose comprises a shielding layer, an inner rubber layer, a reinforcing layer and an outer rubber layer arranged in sequence from inside to outside; or the rubber tube comprises an inner rubber layer, a shielding layer, a middle rubber layer, a reinforcing layer and an outer rubber layer which are sequentially arranged from inside to outside.

7. An air conditioner for a vehicle, comprising:

an outdoor unit of an air conditioner including a compressor, a gas-liquid separator connected to a gas inlet of the compressor, an outdoor heat exchanger, and the four-way valve assembly of any one of claims 1 to 6;

8. The air conditioner according to claim 7, wherein the four-way valve assembly has the hose provided at each of a plurality of connection ends thereof, and the hose is provided between the four-way valve and the compressor, the gas-liquid separator, the outdoor heat exchanger, and the indoor heat exchanger.

9. The vehicle air conditioner of claim 7, wherein said working fluid tube assembly includes a hose connecting said indoor heat exchanger and said outdoor heat exchanger.

10. The vehicle air conditioner of claim 9, wherein the vehicle air conditioner includes a connector assembly including the working fluid tube assembly, an electrical wire, a drain tube, and a tie that ties the working fluid tube assembly, the electrical wire, and the drain tube.

11. The vehicle air conditioner of claim 7, further comprising a wire fixing buckle, wherein the working medium pipe assembly penetrates through the wire fixing buckle, and the wire fixing buckle is used for being mounted on the surface of a vehicle body.

12. An automobile, comprising:

a vehicle body; and the number of the first and second groups,

the air conditioner as claimed in any one of claims 7 to 11, wherein the indoor unit is installed on an inner surface of the vehicle body, the outdoor unit is installed on an outer surface of the vehicle body, and the working fluid pipe assembly is installed through the vehicle body.