Filtering structure of automobile air conditioner pipeline and automobile

Abstract

The filtering structure of the automobile air conditioner pipeline comprises a connecting piece and a filtering assembly fixedly connected with the connecting piece, the connecting piece is detachably and fixedly connected to an air conditioner pipeline connector, and the filtering assembly is located at the end of the air conditioner pipeline connector; according to the filtering structure of the automobile air conditioner pipeline and the automobile, the filtering assembly is detachably connected to the air conditioner pipeline connector through the connecting piece, so that the filtering assembly is conveniently installed at the position, needing to be filtered, in the air conditioner pipeline, the structure of the air conditioner pipeline does not need to be improved, and the universality of the filtering assembly is improved; the air conditioner pipeline connector can adapt to various air conditioner pipeline connectors, the production cost is reduced, and follow-up disassembly and maintenance are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, especially a kind of filtering structure of automobile air conditioning pipeline and automobile. BACKGROUND

[0002] With the sales of new energy vehicles rising in the global scope, the design and performance of automobile air conditioning system, as an important equipment in the vehicle, are constantly upgraded and optimized. Compared with traditional air conditioning system, new energy vehicle air conditioning system not only has complex function valve, but also mostly adopts integrated design, uses multi-way valve to integrate multiple components together to save space and improve vehicle space utilization. This directly leads to an increase in the number of processed parts on the refrigerant circulation loop, increasing the risk of micro-channel blockage. To avoid air conditioning pipeline blockage, a filter structure needs to be added to the air conditioning pipeline. The filter device in the prior art directly adds a filter screen inside the high-pressure pipe pressing plate that interfaces with the electronic expansion valve for air conditioning systems with electronic expansion valves. For systems without electronic expansion valves, a pair of pressing plates containing filter screens are added before the thermal expansion valve enters the air conditioning box. These two methods have low versatility. Adding a pair of pressing plates containing filter screens is not conducive to cost control and lightweighting due to high space requirements. Moreover, it is inconvenient to replace the filter device.

[0003] Therefore, it is necessary to improve the filter structure of the existing air conditioning system to meet the filtering needs of the air conditioning system, reduce the possibility of air conditioning pipeline blockage, and improve the versatility of the filter structure to adapt to various air conditioning pipeline joints without the need to improve the structure of the air conditioning pipeline joint itself, thereby reducing production costs. Moreover, the overall weight of the filter structure is relatively light and can be replaced, facilitating lightweight structure and subsequent maintenance. SUMMARY

[0004] Therefore, the utility model aims at providing a kind of filtering structure of automobile air conditioning pipeline and automobile, can satisfy the filtering needs of air conditioning system, reduce the possibility of air conditioning pipeline blockage, and improve the versatility of the filter structure to adapt to various air conditioning pipeline joints without the need to improve the structure of the air conditioning pipeline joint itself, thereby reducing production costs. Moreover, the overall weight of the filter structure is relatively light and can be replaced, facilitating lightweight structure and subsequent maintenance.

[0005] The utility model discloses a filter structure of automobile air conditioning pipeline, including connecting piece and with the filter assembly of connecting piece fixed connection, connecting piece detachable fixed connection in air conditioning pipeline joint, and make filter assembly be located at the end of air conditioning pipeline joint, filter assembly is detachable fixed connection in air conditioning pipeline joint through connecting piece, thereby can according to the need of use, install filter assembly in the position of needing filtering in air conditioning pipeline system, need not to improve air conditioning pipeline structure itself, reduce production cost, improve the versatility of filter assembly, and it is convenient for subsequent replacement filter assembly or cleaning filter assembly.

[0006] Further, the filter assembly includes a fixed frame, both ends of the fixed frame are respectively provided with a filter screen I and a filter screen II; the double-layer filter screens are provided, and the filter screen I and the filter screen II can select appropriate mesh according to the need of use, and specific impurities can be filtered.

[0007] Further, the fixed frame is in a ring structure, an inner ring surface of the ring structure is provided with a filter screen III, and the filter screen III is used for adsorbing metal impurities; the filter screen III is provided for adsorbing metal impurities, and the filtering effect can be further improved.

[0008] Further, the fixed frame is in a ring structure, an inner ring surface of the ring structure is provided with a filter screen III, and the filter screen III is used for adsorbing metal impurities; the filter screen III is provided for adsorbing metal impurities, and the filtering effect can be further improved.

[0009] Further, the connecting piece is provided with a connecting portion, the connecting portion is arranged outside the fixed frame and is fixedly connected with the reinforcing gasket at one end, the other end of the connecting portion is formed into a contraction portion by necking forward, and the contraction portion is sleeved on the end of the air conditioning pipeline joint; by arranging the contraction portion, other reinforcing structures can be omitted, and the use cost is reduced.

[0010] Further, the connecting portion is made of rubber, and the contraction portion is made of elastic material; the contraction portion is made of elastic material, and the installation of the connecting piece is facilitated.

[0011] Further, the air conditioning pipeline joint is a welded pressing plate type joint or an integrally formed joint.

[0012] Further, the filter screen I and the filter screen II are stainless steel filter screens, and the mesh of the filter screen I and the filter screen II is 100 mesh.

[0013] Further, the filter screen III is a magnetic filter screen.

[0014] The utility model discloses a kind of cars, including air conditioning system, the air conditioning system has the filter structure of automobile air conditioning pipeline.

[0015] The utility model discloses an automobile air conditioning pipeline's filter structure and automobile, set up filter assembly and connecting piece, and filter assembly is detachably connected with air conditioning pipeline joint through connecting piece, thereby the dismounting and installation of filter assembly are convenient, can conveniently take out and replace when the system is blocked, is favorable to subsequent dismounting maintenance, can be adapted to various types's air conditioning pipeline joint, need not to improve the structure of air conditioning pipeline joint itself, just can set up in the air conditioning pipeline demand filter place, thereby can reduce production cost, and the weight of filter assembly is extremely light, can satisfy the requirement of lightweight structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described below in combination with the drawings and examples:

[0017] Figure 1 It is the structure diagram of filter assembly and connecting piece of the utility model,

[0018] Figure 2 It is Figure 1 the sectional view,

[0019] Figure 3 It is the structure diagram of fixed frame,

[0020] Figure 4 It is the structure diagram of filter assembly and welding pressure plate type joint cooperation,

[0021] Figure 5 It is the structure diagram of filter assembly and integral molding type joint cooperation,

[0022] Among them, the above-mentioned drawing contains following figure marks:

[0023] 1, filter assembly, 11, filter screen I, 12, connecting portion, 13, reinforcing gasket, 14, contraction part, 15, fixed frame, 16, filter screen II, 17, filter screen III, 2, welding pressure plate type joint, 201, pipeline joint, 202, pipeline pressure plate, 203, pipeline welding interface I, 204, annular groove I, 205, sealing ring, 206, pipeline welding interface II, 207, bolt hole, 3, integral molding type joint, 301, straight pipe head, 302, annular protrusion. DETAILED DESCRIPTION

[0024] Figure 1 It is the structure diagram of filter assembly and connecting piece of the utility model, Figure 2 It is Figure 1 the sectional view, Figure 3 It is the structure diagram of fixed frame, Figure 4 It is the structure diagram of filter assembly and welding pressure plate type joint cooperation, Figure 5 It is the structure diagram of filter assembly and integral molding type joint cooperation, such as Figures 1-5The automobile air conditioner pipeline filtering structure of the embodiment comprises a connecting piece and a filtering assembly 1 fixedly connected with the connecting piece, the connecting piece is detachably fixedly connected with the air conditioner pipeline joint, and the filtering assembly 1 is located at the end of the air conditioner pipeline joint; in the structure, the connecting piece can be a rubber sleeve or the like, in use, the filtering assembly 1 is arranged at the air conditioner pipeline joint (i.e. at the end of the air conditioner pipeline joint) through the connecting piece, so that the fluid can enter the air conditioner pipeline joint after being filtered first, the air conditioner pipeline joint can be a welded pressing plate type pipeline joint or an integrally formed pipeline joint in the prior art, so that different types of air conditioner pipeline joints can be adapted, the structure of the air conditioner pipeline joint itself does not need to be improved, the production cost can be effectively reduced, meanwhile, the filtering assembly 1 is detachably fixedly connected with the air conditioner pipeline joint through the connecting piece, so that the filtering assembly 1 can be arranged at the filtering position of the air conditioner pipeline, which is convenient to use, and the filtering assembly 1 can be conveniently taken out and replaced when the air conditioner pipeline system is blocked, meanwhile, the filtering assembly 1 is extremely light in weight, which is conducive to realizing lightweight structure and facilitating later maintenance.

[0025] The filtering device in the prior art directly increases a filter screen inside a high-pressure pipe pressing plate that is in butt joint with an electronic expansion valve for an air conditioner system with the electronic expansion valve, and increases a pair of pressing plates containing filter screens before a thermal expansion valve enters an air conditioner box for a system without the electronic expansion valve, the two ways are not high in universality, meanwhile, the way of increasing a pair of pressing plates containing filter screens is high in space requirement and is not conducive to cost control and lightweight, and the filtering device is inconvenient to replace; the automobile air conditioner pipeline filtering structure and the automobile of the utility model set the filtering assembly 1 and the connecting piece, detachably connect the filtering assembly 1 with the air conditioner pipeline joint through the connecting piece, so that the filtering assembly 1 is convenient to disassemble and install, which is conducive to subsequent disassembly and maintenance, meanwhile, the filtering assembly 1 can be adapted to various types of air conditioner pipeline joints, the structure of the air conditioner pipeline joint itself does not need to be improved, so that the production cost can be reduced, and the requirement of lightweight structure can be met.

[0026] In the embodiment, the filtering assembly 1 comprises a fixing frame 15, and filter screens I 11 and II 16 are arranged at two ends of the fixing frame 15; the filter screens I 11 and II 16 are arranged at the two ends of the fixing frame 15, the fluid is filtered through the filter screen I 11 first, and the filtered fluid is filtered through the filter screen II 16 again, so that the filtering effect can be improved, and excessive accumulation of impurities at the filter screen II 16 can be avoided.

[0027] In the embodiment, the fixing frame 15 is in a ring structure, an inner ring surface of the ring structure is provided with a filter screen III 17, and the filter screen III 17 is used for adsorbing metal impurities; the fixing frame 15 is in a cylindrical ring structure, and comprises a left ring part and a right ring part (left and right are relative to the fixing frame 15) Figure 1The left ring part and the right ring part are fixedly connected through a plurality of connecting rods arranged at intervals, the filter screen I 11 is fixedly connected to the left ring part, the filter screen II 16 is fixedly connected to the right ring part, and the filter screen III 17 is fixedly arranged on the inner ring surface of the annular structure (i.e., on the inner side of the connecting rod). The filter screen III 17 is arranged for adsorbing metal impurities such as aluminum scraps, so as to improve the filtering effect, and cooperate with the filter screen I 11 and the filter screen II 16 to form layered filtering, thereby reducing the risk of system failure caused by impurities blocking the filter screen.

[0028] In the embodiment, a reinforcing gasket ring 13 is arranged outside the fixing frame 15 and covers the periphery of the filter screen I 11. The reinforcing gasket ring 13 is arranged outside the fixing frame 15 and is adapted to the fixing frame 15, and one end is bent inward to cover the periphery of the filter screen I 11. Of course, the length of the inwardly bent part of the reinforcing gasket ring 13 is much smaller than the diameter of the filter screen I 11, so that the stable installation of the filter screen I 11 can be realized.

[0029] In the embodiment, the connecting piece is provided with a connecting part 12 arranged outside the fixing frame 15 and fixedly connected to the reinforcing gasket ring 13 at one end. The other end of the connecting part 12 is necked to form a necking part 14, and the necking part 14 is sleeved on the end of the air conditioner pipeline joint. The shape of the connecting part 12 is adapted to the fixing frame 15, so that the connecting part 12 is arranged outside the fixing frame 15 and fixedly connected to the reinforcing gasket ring 13. The necking part 14 is formed by the connecting piece and is a tapered opening structure. In use, the necking part 14 is sleeved on the end of the air conditioner pipeline joint, so that the installation of the filtering assembly 1 is completed, which is convenient for installation and maintenance and disassembly.

[0030] In the embodiment, the connecting part 12 is made of rubber, and the necking part 14 is made of elastic material. In use, the necking part 14 can be expanded and sleeved on the air conditioner pipeline joint by using the characteristics of the elastic material. After being sleeved on the air conditioner pipeline joint, the necking part 14 is tightly contracted on the outer peripheral surface of the end of the air conditioner pipeline joint, so that the filtering assembly 1 is fixedly installed without the need to set other fixing structures, which is convenient for installation.

[0031] In the embodiment, the air conditioner pipeline joint is a welded pressing plate type joint 2 or an integrally formed type joint 3. The air conditioner pipeline joint can be a welded pressing plate type joint 2, such as Figure 4As shown, the welding clamp type joint 2 generally comprises a pipe joint 201, a pipe clamp 202, a pipe welding interface I 203, a pipe welding interface II 206 and a bolt hole 207, the pipe joint 201 and the pipe clamp 202 are vertically arranged, the inner side of the pipe welding interface I 203, the pipe welding interface II 206 and the bolt hole 207 is provided with a sink, the pipe joint 201 is generally provided with an annular groove I 204, the annular groove I 204 is provided with a sealing ring 205, the specific structure of the welding clamp type joint 2 is the application of the prior art, and here, it will not be repeated; as shown, Figure 5 As shown, the integral molding type joint 3 generally comprises a straight pipe head 301 and an annular protrusion 302 fixedly arranged on the straight pipe head 301 (the annular protrusion 302 forms a shoulder structure on the straight pipe head 301), the outer peripheral surface of the end portion of the straight pipe head 301 is provided with an annular groove II, the annular groove II is provided with a sealing ring, the structure of the integral molding type joint 3 is the application of the prior art, and here, it will not be repeated; in this structure, the filter assembly 1 and the connecting piece are matched with the welding clamp type joint or the integral molding type joint, the connecting piece does not cover the sealing ring when connected, so that the normal sealing performance of the joint is not affected, and compared with the prior art, for the welding clamp type joint, the filter structure is generally embedded and fixed with the pipe, under the impact of the cooling liquid during use, the filter screen will be depressed into the pipe, which will easily damage the filter screen, and it is also not convenient for subsequent disassembly and maintenance, the filter assembly of the structure is detachably fixedly connected with the welding clamp type joint, which is convenient for subsequent disassembly and maintenance, for the integral molding type joint, the filter screen cannot be increased in the prior art, the filter assembly 1 of the structure is detachably fixedly connected with the integral molding type joint, so that the filter structure can also be increased for this integral molding type joint, and installation is convenient.

[0032] In this embodiment, the filter screen I 11 and the filter screen II 16 are stainless steel filter screens, and the mesh number of the filter screen I 11 and the filter screen II 16 is 100 meshes; the mesh number of the filter screen I 11 and the filter screen II 16 is 100 meshes, of course, it can also be other sizes, and the size of the filter screen I 11 and the filter screen II 16 can be set according to the use requirement, so that the impurities causing blockage can be specially filtered, and the filtering effect is improved.

[0033] In this embodiment, the filter screen III 17 is a magnetic filter screen; the filter screen III 17 is a magnetic filter screen, and the mesh number of the filter screen III 17 can be set according to the use requirement, and the filter screen III 17 is made of a material capable of adsorbing aluminum scraps, so that the aluminum scraps can be filtered and adsorbed, and the risk of blockage of the air conditioner pipe is reduced.

[0034] The automobile of the embodiment comprises an air conditioning system, and the air conditioning system has the filter structure of the automobile air conditioner pipe.

[0035] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A filter structure for an automotive air conditioning pipe, characterized in that: The filter assembly is fixedly connected with the connecting piece, and is located at the end of the air conditioner pipeline joint.

2. The filtering structure for an air conditioning line of an automobile according to claim 1, characterized by: The filter assembly comprises a fixing frame, and the two ends of the fixing frame are respectively provided with filter screen I and filter screen II.

3. The filter structure for an air conditioning line of an automobile according to claim 2, characterized by: The fixing frame is in a ring structure, and the inner ring surface of the ring structure is provided with filter screen III for adsorbing metal impurities.

4. The filter structure for an air conditioning line of an automobile according to claim 2, characterized by: A reinforcing gasket ring is further arranged outside the fixing frame and covers the periphery of the filter screen I.

5. The filter structure for an air conditioning line of an automobile according to claim 4, characterized by: The connecting piece is provided with a connecting portion, one end of the connecting portion is fixedly connected with the reinforcing gasket ring, and the other end of the connecting portion is formed into a contraction portion by being tapered forward, and the contraction portion is sleeved with the end of the air conditioner pipeline joint.

6. The filter structure for an automotive air conditioning line according to claim 5, characterized by: The material of the connecting portion is rubber, and the contraction portion is made of elastic material.

7. The filter structure for an automotive air conditioning line according to claim 1, characterized by: The air conditioner pipeline joint is a welded pressing plate type joint or an integrally formed joint.

8. The filtering structure for an automotive air conditioning line according to claim 2, characterized by: The filter screen I and the filter screen II are stainless steel filter screens, and the mesh number of the filter screen I and the filter screen II is 100 mesh.

9. The filter structure for an air conditioning line of an automobile according to claim 3, characterized by: The filter screen III is a magnetic filter screen.

10. An automobile characterized by comprising: The filter assembly is fixedly connected with the connecting piece, and is located at the end of the air conditioner pipeline joint. The filter assembly comprises a fixing frame, and the two ends of the fixing frame are respectively provided with filter screen I and filter screen II. The fixing frame is in a ring structure, and the inner ring surface of the ring structure is provided with filter screen III for adsorbing metal impurities. A reinforcing gasket ring is further arranged outside the fixing frame and covers the periphery of the filter screen I. The connecting piece is provided with a connecting portion, one end of the connecting portion is fixedly connected with the reinforcing gasket ring, and the other end of the connecting portion is formed into a contraction portion by being tapered forward, and the contraction portion is sleeved with the end of the air conditioner pipeline joint. The material of the connecting portion is rubber, and the contraction portion is made of elastic material. The air conditioner pipeline joint is a welded pressing plate type joint or an integrally formed joint. The filter screen I and the filter screen II are stainless steel filter screens, and the mesh number of the filter screen I and the filter screen II is 100 mesh. The filter screen III is a magnetic filter screen. The filter assembly is fixedly connected with the connecting piece, and is located at the end of the air conditioner pipeline joint. The filter assembly comprises a fixing frame, and the two ends of the fixing frame are respectively provided with filter screen I and filter screen II. The fixing frame is in a ring structure, and the inner ring surface of the ring structure is provided with filter screen III for adsorbing metal impurities. A reinforcing gasket ring is further arranged outside the fixing frame and covers the periphery of the filter screen I. The connecting piece is provided with a connecting portion, one end of the connecting portion is fixedly connected with the reinforcing gasket ring, and the other end of the connecting portion is formed into a contraction portion by being tapered forward, and the contraction portion is sleeved with the end of the air conditioner pipeline joint. The material of the connecting portion is rubber, and the contraction portion is made of elastic material. The air conditioner pipeline joint is a welded pressing plate type joint or an integrally formed joint. The filter screen I and the filter screen II are stainless steel filter screens, and the mesh number of the filter screen I and the filter screen II is 100 mesh. The filter screen III is a magnetic filter screen

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