CN214579609U

CN214579609U - Air conditioner pipeline connects and air conditioner pipeline system

Info

Publication number: CN214579609U
Application number: CN202120365673.2U
Authority: CN
Inventors: 郭旭东; 孙西峰; 齐成举; 程志远; 张芳
Original assignee: Codan Lingyun Automotive Rubber Hose Co ltd; Dongfeng Motor Group Co Ltd
Current assignee: Codan Lingyun Automotive Rubber Hose Co ltd; Dongfeng Motor Group Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-02
Anticipated expiration: 2031-02-07

Abstract

The utility model provides an air conditioner pipeline connects and air conditioner pipe-line system belongs to vehicle air conditioner pipeline technical field, and air conditioner pipeline connects and includes: the hollow sleeve is of a sleeve body structure with a cavity, the hollow sleeve is provided with a first opening end and a second opening end which are opposite, and the outer wall of the hollow sleeve is provided with a butt joint pipe orifice communicated with the cavity; and the fastener is arranged in the cavity from the first opening end to the second opening end in a penetrating mode, the fastener is provided with an axial hole with one end penetrating through and a radial hole communicated with the axial hole, and a circulation path passing through the butt joint pipe orifice, the radial hole and the axial hole is formed. The technical effects are as follows: the utility model provides an air conditioner pipeline connects and air conditioner pipeline system utilizes the air conditioner pipeline to connect the intercommunication that has realized first pipeline and second pipeline, can adapt to higher operating pressure, has improved the compressive capacity of joint design for the joint design is difficult for damaging, satisfies the sealed demand when air conditioner pipeline moves.

Description

Air conditioner pipeline connects and air conditioner pipeline system

Technical Field

The utility model belongs to the technical field of the vehicle air conditioner pipeline, more specifically say, relate to an air conditioner pipeline connects and air conditioner pipe-line system.

Background

With the rapid development of the automobile field, the refrigerant medium in the automobile air conditioner is also rapidly updated, the carbon dioxide as the refrigerant medium cannot damage the ozone layer, has little influence on the global warming trend, and is widely applied to the automobile air conditioner. Due to the change of the refrigerant medium used by the air conditioner, the performance requirements of the air conditioner pipeline and the connecting structure are improved along with the update so as to meet the requirements of the refrigerant medium. The traditional air conditioner pipeline realizes the butt joint of two pipelines through a sealing joint, but the working pressure of carbon dioxide as a refrigerant medium is 4-5 times of that of the traditional air conditioner, so that the traditional sealing joint is easy to damage and cannot meet the sealing requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air conditioner pipe joint and air conditioner pipe-line system aims at solving because the operating pressure of carbon dioxide as refrigerant medium is 4-5 times of traditional air conditioner operating pressure, leads to traditional sealing joint to harm the technical problem that can't satisfy sealed demand easily.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is an air conditioner pipe joint, including: the hollow sleeve is of a sleeve body structure with a cavity, the hollow sleeve is provided with a first opening end and a second opening end which are opposite, and the outer wall of the hollow sleeve is provided with a butt joint pipe orifice communicated with the cavity; and the fastener is arranged in the cavity from the first opening end to the second opening end in a penetrating mode, the fastener is provided with an axial hole with one end penetrating through and a radial hole communicated with the axial hole, and a circulation path passing through the butt joint pipe orifice, the radial hole and the axial hole is formed.

In one embodiment, the inner wall and the outer wall of the hollow sleeve are both spherical or cylindrical, a flow gap is formed between the inner wall of the hollow sleeve and the outer wall of the fastener, and the outer wall of the fastener is in sealing contact with the first open end and the second open end.

In one embodiment, the first open end has a first step surface formed in the cavity, and the second open end has a second step surface formed in the cavity to form a flow gap.

In one embodiment, the fastener has a plurality of the radial holes, any one of which is misaligned with the docking nozzle or one of which is aligned with the docking nozzle.

In one embodiment, the fastener comprises a fastening stud and a fastening end cap which are connected with each other and matched with the hollow sleeve, and the axial hole is formed in the fastening stud and penetrates through one end of the fastening stud, which is far away from the fastening end cap.

In one embodiment, a sealing gasket is disposed between the fastening end cap and the first open end.

The utility model provides an air conditioner pipeline connects has following technological effect at least: compared with the prior art, the utility model provides an air conditioner pipeline connects, the intercommunication is realized with first pipeline to the butt joint mouth of pipe that utilizes hollow cover, the fastener is worn to locate in the hollow cover, axial and radial being equipped with axial hole and radial hole respectively at the fastener, form from the butt joint mouth of pipe, radial hole to axial hole's circulation route, the one end and the second pipeline intercommunication that axial hole link up in the fastener, so set up, the intercommunication of first pipeline and second pipeline has been realized, when in-service use, this air conditioner pipeline connects can adapt to higher operating pressure, the compressive capacity of joint design is improved, make the joint design be difficult for damaging, satisfy the sealed demand when air conditioner pipeline moves.

The utility model also provides an air conditioner pipe-line system, include: the air-conditioning pipeline joint according to any one of the above embodiments; the first pipeline is communicated with the butt joint pipe orifice; and the second pipeline is provided with a matching joint communicated with the second pipeline, and the matching joint is communicated with one end of the fastening piece, which is communicated with the axial hole.

In one embodiment, the fastener has an externally threaded section extending from the second open end, and the mating fitting has an internally threaded section that mates with the externally threaded section.

In one embodiment, a sealing gasket is disposed between the external threaded section and the second open end.

In one embodiment, the outer wall of the docking nozzle has a first stop, and the outer wall of the mating connector has a second stop capable of forming a circumferential stop with the first stop.

The utility model provides an air conditioner pipe-line system adopts as above arbitrary embodiment air conditioner pipeline joint, the two technological effect is the same, no longer gives unnecessary details here.

Drawings

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

Fig. 1 is a schematic perspective view of an air-conditioning pipe joint according to an embodiment of the present invention;

fig. 2 is a perspective schematic view of a hollow sleeve according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a hollow sleeve according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a fastener according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of an air conditioning pipeline system according to an embodiment of the present invention.

In the figure:

100. air conditioner pipeline joint 110, hollow sleeve 111 and cavity

112. First open end 113, second open end 114, butt joint mouth of pipe

115. Flow gap 116, first step surface 117, and second step surface

118. First stopper 120, fastener 121, axial hole

122. Radial hole 123, fastening stud 124, fastening end cap

125. External thread section 130, seal gasket 200, air conditioner pipe-line system

210. First pipeline 220, second pipeline 230, adaptor joint

232. Internal thread section 234, second stop

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on," "disposed on" another element, it can be directly on the other element or intervening elements may also be present. "plurality" means two or more.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1 to 5, an air-conditioning pipe joint 100 and an air-conditioning pipe system 200 according to an embodiment of the present invention will be described.

Referring to fig. 1 to 4, an embodiment of the present invention provides an air-conditioning pipeline joint 100, including: the hollow sleeve 110 is of a sleeve body structure with a cavity 111, the hollow sleeve 110 is provided with a first opening end 112 and a second opening end 113 which are opposite, and the outer wall of the hollow sleeve 110 is provided with a butt-joint nozzle 114 communicated with the cavity 111; and a fastening member 120 inserted into the cavity 111 from the first open end 112 to the second open end 113, the fastening member 120 having an axial hole 121 through which one end passes and a radial hole 122 communicating with the axial hole 121, and forming a flow path passing through the butt pipe orifice 114, the radial hole 122, and the axial hole 121.

It should be noted that the embodiment of the present invention provides an air conditioning pipeline joint 100, which can be applied to the field of automobile air conditioners and building air conditioners, can be used for carbon dioxide as refrigerant medium, and can also be used for other refrigerant media, and the material of pipeline and joint can be adjusted according to the matched application object.

Specifically, referring to fig. 1 and 5, the butt-joint pipe orifice 114 is used for communicating with the first pipeline 210, and the two are connected by means of screw connection, laser welding, induction welding, argon arc welding, brazing, crimping, and the like. The through end of the axial hole 121 in the fastening member 120 is used for communicating with the second pipeline 220, and the two are connected by means of thread connection, laser welding, induction welding, argon arc welding, brazing, crimping, and the like, so that a flow path passing through the first pipeline 210, the butt pipe orifice 114, the radial hole 122, the axial hole 121, and the second pipeline 220 can be formed, and the specific flow direction of the flow path is determined according to the actual flow direction, specifically, the flow from the first pipeline 210 to the second pipeline 220, or the flow from the second pipeline 220 to the first pipeline 210. Above-mentioned circulation route and joint design form can alleviate the impact of refrigerant medium, improves the compressive capacity of joint design, improves the life of joint design, and then guarantees that the joint design is difficult for damaging, satisfies the sealed demand when air conditioner pipeline moves.

The embodiment of the utility model provides an air conditioner pipeline connects 100 and has following technological effect at least: compared with the prior art, the embodiment of the utility model provides an air conditioner pipeline connects 100, utilize the butt joint mouth of pipe 114 and the first pipeline 210 realization intercommunication of hollow cover 110, fastener 120 wears to locate in hollow cover 110, be equipped with axial hole 121 and radial hole 122 respectively in fastener 120's axial and radial, form from butt joint mouth of pipe 114, radial hole 122 to axial hole 121's circulation route, the one end and the second pipeline 220 intercommunication that axial hole 121 link up in the fastener 120, so set up, utilize air conditioner pipeline to connect 100 to realize the intercommunication of first pipeline 210 and second pipeline 220, when the in-service use, this air conditioner pipeline connects 100 can adapt to higher operating pressure, improve the compressive capacity of joint design, make the joint design difficult damage, satisfy the sealed demand when air conditioner pipeline moves.

The way of communicating the docking nozzle 114 with the radial hole 122 and the axial hole 121 is not limited, and is exemplified below.

As an embodiment, referring to fig. 1 to 3, the inner wall and the outer wall of the hollow sleeve 110 are both spherical or cylindrical, a flow gap 115 is formed between the inner wall of the hollow sleeve 110 and the outer wall of the fastening member 120, and the outer wall of the fastening member 120 is in sealing contact with the first open end 112 and the second open end 113. In this embodiment, the fastener 120 is in sealing contact with both the first open end 112 and the second open end 113, which prevents the refrigerant from leaking. Having the flow-through gap 115 between the hollow sleeve 110 and the fastener 120, communication between the docking nozzle 114 and the axial bore 121 is always achieved through the radial bore 122 due to the flow-through gap 115 regardless of the positional relationship between the docking nozzle 114 and the radial bore 122.

In this embodiment, the hollow sleeve 110 is preferably spherical, which is beneficial to forming the flow gap 115 between the hollow sleeve 110 and the fastening member 120, and on the other hand, the length of the docking nozzle 114 can be shortened according to the spherical structure, which saves more raw materials when forming the docking nozzle 114. It will be understood that the hollow shell 110 is spherical, meaning a shape whose contour is cut away from the spherical cap.

Further, the first opening end 112 has a first step surface 116 formed in the cavity 111, and the second opening end 113 has a second step surface 117 formed in the cavity 111 to form a flow gap 115. It can be understood that, in the cavity 111 of the hollow sleeve 110, the first opening end 112 and the second opening end 113 are respectively connected and transited with the inner wall of the hollow sleeve 110 through the first step surface 116 and the second step surface 117, so that in the radial direction of the fastening member 120, the distance between the outer wall of the fastening member 120 and the inner wall of the hollow sleeve 110 is increased, thereby increasing the flow gap 115, relieving the flow pressure, and avoiding the situation of collapse caused by over-pressure.

Further, the fastener 120 has a plurality of radial holes 122, and any one of the radial holes 122 is in a misaligned state with the docking nozzle 114, or one of the plurality of radial holes 122 is in an aligned state with the docking nozzle 114. In this embodiment, the plurality of radial holes 122 are provided, so that the refrigerant can more and more quickly circulate through the radial holes 122, the situation that the butt pipe orifice 114 and the axial hole 121 are broken due to the formation of a large pressure is prevented, and the situation that the working efficiency of the system is affected due to an excessively high pressure drop is also avoided. Due to the presence of the flow-through slit 115, the alignment between the radial bore 122 and the docking nozzle 114 is no longer constrained.

In order to simplify the assembly process, referring to fig. 1 and 4, the fastening member 120 includes a fastening stud 123 and a fastening end cap 124 connected to each other and engaged with the hollow sleeve 110, and an axial hole 121 is opened in the fastening stud 123 and penetrates through an end of the fastening stud 123 away from the fastening end cap 124. In this embodiment, the fastening end cap 124 is matched with the first open end 112, the fastening stud 123 is arranged in the cavity 111 in a penetrating manner and matched with the second open end 113, the part of the fastening stud 123 extending out of the second open end 113 is connected with the second pipeline 220, the first pipeline 210 is communicated with the second pipeline 220 through the axial hole 121, and the fastening stud 123 is connected with the second pipeline 220 through threads, so that the assembling speed is higher, the structure is simpler, and the production cost is lower.

To improve the sealing and leakage-proof performance of the air conditioning duct joint 100, referring to fig. 1, a sealing gasket 130 is disposed between the fastening end cap 124 and the first open end 112. In this embodiment, a sealing gasket 130 is sleeved on the circumferential contour of the fastening stud 123, and the sealing gasket 130 is pressed between the fastening end cap 124 and the first opening end 112, so as to achieve the function of sealing and preventing leakage, and if leakage occurs in the later period, the sealing gasket 130 is directly replaced with a new sealing gasket 130. For example, the sealing gasket 130 can be made of red copper T2 or red copper T2 plus rubber, and the like, and after annealing treatment of the substrate, the hardness is 35-45HB after annealing, and the hardness is far lower than that of the fastener 120 and the hollow sleeve 110, so that if joint leakage occurs in the later period, only the sealing gasket 130 needs to be replaced.

Referring to fig. 5, an embodiment of the present invention further provides an air conditioning pipeline system 200, including: the air-conditioning pipe joint 100 according to any one of the above embodiments; a first conduit 210 in communication with the docking nozzle 114; and a second pipe 220 having a coupling joint 230 communicating therewith, the coupling joint 230 communicating with one end of the fastener 120 through which the axial hole 121 passes.

It should be noted that the embodiment of the present invention provides an air conditioning pipeline system 200 that can be applied to the field of automobile air conditioners and also can be applied to the field of building air conditioners, and can be applied to carbon dioxide as refrigerant medium and also can be applied to other refrigerant media, and the material of pipeline and joint can be adjusted according to the suitable object that matches.

Specifically, the first pipeline 210 is communicated with the butt pipe port 114, and the first pipeline and the butt pipe port 114 are connected by means of thread connection, laser welding, induction welding, argon arc welding, brazing, crimping and the like. The second pipe 220 is provided with a mating joint 230, the mating joint 230 is communicated with one end of the fastener 120 through which the axial hole 121 passes, and the two are connected by means of thread connection, laser welding, induction welding, argon arc welding, brazing, crimping and the like, so that a flow path passing through the first pipe 210, the butt pipe orifice 114, the radial hole 122, the axial hole 121 and the second pipe 220 can be formed, and the specific flow direction of the flow path is determined according to the actual flow direction, specifically, the flow from the first pipe 210 to the second pipe 220 or the flow from the second pipe 220 to the first pipe 210. Above-mentioned circulation route and joint design form can alleviate the impact of refrigerant medium, improves the compressive capacity of joint design, improves the life of joint design, and then guarantees that the joint design is difficult for damaging, satisfies the sealed demand when air conditioner pipeline moves.

The embodiment of the utility model provides an air conditioner pipe-line system 200 adopts as above arbitrary embodiment air conditioner pipe-line joint 100, the two technological effect is the same, utilize the butt joint mouth of pipe 114 and the first pipeline 210 of hollow cover 110 to realize the intercommunication, fastener 120 wears to locate in hollow cover 110, axial hole 121 and radial hole 122 are equipped with respectively in fastener 120's axial and radial, form from butt joint mouth of pipe 114, radial hole 122 to axial hole 121's circulation route, the one end and the second pipeline 220 intercommunication that axial hole 121 link up in the fastener 120, so set up, utilize air conditioner pipe-line joint 100 to realize the intercommunication of first pipeline 210 and second pipeline 220, in the time of the in-service use, this air conditioner pipe-line joint 100 can adapt to higher operating pressure, improve the compressive capacity of joint structure, make the joint structure be difficult for damaging, satisfy the sealed demand when air conditioner pipe-line moves.

To simplify the assembly process, referring to fig. 4 and 5, the fastener 120 has an external threaded section 125 extending from the second open end 113, and the mating connector 230 has an internal threaded section 232 that mates with the external threaded section 125. It will be appreciated that the male threaded section 125 covers at least the portion of the fastener 120 extending out of the second open end 113. In this embodiment, the fastening member 120 and the adaptor 230 are locked by a threaded connection, so that the assembly speed is faster, the structure is simpler, and the production cost is lower.

Further, referring to fig. 1 and 5, a sealing gasket 130 is disposed between the external thread section 125 and the second open end 113. In this embodiment, the sealing gasket 130 is sleeved on the circumferential contour of the external thread section 125, and the sealing gasket 130 is pressed between the second opening end 113 and the end surface of the adapter 230, so as to play a role of sealing and preventing leakage, and if leakage occurs in the later period, the new sealing gasket 130 is directly replaced. For example, the sealing gasket 130 may be made of red copper T2, or red copper T2 plus rubber, and the like, and after annealing, the hardness of the substrate is 35 to 45HB after annealing, which is much lower than that of the fastener 120, the hollow sleeve 110 and the adapter 230, and if interface leakage occurs in the later stage, only the sealing gasket 130 is replaced.

In order to ensure the air-conditioning duct joint 100 and the mating joint 230 can be properly mated, referring to fig. 5, the outer wall of the docking nozzle 114 has a first stopper 118, and the outer wall of the mating joint 230 has a second stopper 234 which can form a circumferential stopping function with the first stopper 118. In this embodiment, the first stop member 118 may be a stop block, a stop bar, etc. integrally formed by an outer wall, and the second stop member 234 may also be a stop block, a stop bar, etc. integrally formed by an outer wall, and during the assembly of the fastener 120 and the adaptor joint 230, the first stop member 118 and the second stop member 234 can interact with each other to prevent the hollow sleeve 110 and the first pipeline 210 from rotating and shifting, thereby facilitating the rapid assembly.

The above-mentioned embodiments can be freely combined or deleted to construct different embodiments, and the above-mentioned embodiments are only preferred embodiments of the present invention, and should not be used to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Air conditioner pipeline connects, its characterized in that includes:

the hollow sleeve is of a sleeve body structure with a cavity, the hollow sleeve is provided with a first opening end and a second opening end which are opposite, and the outer wall of the hollow sleeve is provided with a butt joint pipe orifice communicated with the cavity; and

the fastener is arranged in the cavity from the first opening end to the second opening end in a penetrating mode, the fastener is provided with an axial hole with one end penetrating through and a radial hole communicated with the axial hole, and a circulation path passing through the butt joint pipe orifice, the radial hole and the axial hole is formed.

2. An air conditioning line connection as defined in claim 1, wherein the inner and outer walls of the hollow sleeve are each spherical or cylindrical, a flow gap is provided between the inner wall of the hollow sleeve and the outer wall of the fastening member, and the outer wall of the fastening member is in sealing contact with both the first and second open ends.

3. An air conditioning duct joint as set forth in claim 2, wherein said first open end has a first stepped surface formed in said cavity and said second open end has a second stepped surface formed in said cavity to form a flow gap.

4. An air conditioning duct joint as set forth in claim 2 wherein said fastener has a plurality of said radial holes, any one of said radial holes being in a misaligned condition with said docking nozzle or one of said plurality of said radial holes being in an aligned condition with said docking nozzle.

5. An air conditioning line joint as set forth in claim 1 wherein said fastener includes a fastening stud and a fastening end cap connected to each other and engaging said hollow sleeve, said axial hole opening in said fastening stud and extending through an end of said fastening stud remote from said fastening end cap.

6. An air conditioning duct joint as set forth in claim 5, wherein a sealing gasket is disposed between said fastening end cap and said first open end.

7. Air conditioner pipe-line system, its characterized in that includes:

the air-conditioning pipe joint according to any one of claims 1 to 6;

the first pipeline is communicated with the butt joint pipe orifice; and

and the second pipeline is provided with a matching joint communicated with the second pipeline, and the matching joint is communicated with one end of the fastening piece, which is communicated with the axial hole.

8. An air conditioning ducting system as claimed in claim 7 wherein said fastener has an externally threaded section extending from said second open end and said mating fitting has an internally threaded section which mates with said externally threaded section.

9. An air conditioning ducting system as claimed in claim 8 wherein a sealing gasket is provided between said externally threaded section and said second open end.

10. An air conditioning ducting system as claimed in claim 7 wherein the outer wall of the docking nozzle has a first stop and the outer wall of the adapter has a second stop which provides a circumferential stop with the first stop.