WO2022109880A1

WO2022109880A1 - Sealing structure, sealing structure for compressor, compressor, air conditioner apparatus and vehicle

Info

Publication number: WO2022109880A1
Application number: PCT/CN2020/131519
Authority: WO
Inventors: 黎法运; 杨开成
Original assignee: 安徽威灵汽车部件有限公司; 广东威灵汽车部件有限公司
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2022-06-02

Abstract

Disclosed in the present application is a sealing structure, a sealing structure for a compressor, a compressor, an air conditioner apparatus and a vehicle. The sealing structure comprises a first assembly member (11), a second assembly member (12) and a sealing gasket (300), wherein the first assembly member and the second assembly member are connected to each other; the first assembly member (11) comprises a first end surface (13); the second assembly member (12) comprises a second end surface (14) arranged on a side of the first end surface (13); the sealing gasket (300) is sandwiched between the first end surface (13) and the second end surface (14); and a boss (15) and a groove (16) cooperating with each other are arranged between the first end surface (13) and the second end surface (14). The sealing gasket (300) of the sealing structure provided in the present application is assembled and then pressed by the boss (15), and deforms elastically in the groove (16), such that sealing is realized. Using the sealing structure can solve the problem of the sealing gasket yielding under pressure, and thus prevents a sealing failure and significantly increases the sealing pressure.

Description

Sealing structure, compressor sealing structure, compressor, air conditioning equipment and vehicle

technical field

The present application relates to the technical field of compressors, and in particular, to a sealing structure, a compressor sealing structure, a compressor, an air conditioner and a vehicle.

Background technique

The statements herein merely provide background information related to the present application and do not necessarily constitute prior art.

At present, with the development of new energy vehicles, consumers have higher requirements for the stability of on-board air-conditioning equipment, and the stability of on-board air-conditioning equipment is inseparably related to the tightness of its compressor. The casing of the compressor generally includes a high-pressure casing and a low-pressure casing arranged on one side of the high-pressure casing. Gaskets are often used to seal between the high-pressure casing and the low-pressure casing. An elastic rib is integrally formed on the gasket. After the rib is squeezed, elastic deformation occurs, so that the sealing can be achieved by the elasticity of the rib. At the same time, it is easy to cause the rib on the gasket to yield, and the sealing ability of the rib will drop sharply after yielding, which is easy to cause leakage.

technical problem

The purpose of the embodiments of the present application is to provide a sealing structure, a compressor sealing structure, a compressor, an air-conditioning apparatus and a vehicle, aiming to solve the problems that the sealing end faces of the high-pressure casing and the low-pressure casing of the compressor existing in the prior art are subjected to. When the pressure is high, the protruding ribs on the gasket between the high-pressure casing and the low-pressure casing are prone to yield and cause leakage.

technical solutions

In order to achieve the above object, the technical solution adopted in the present application is to provide a sealing structure, comprising a first assembly part and a second assembly part connected to each other, and a sealing gasket, the first assembly part has a first end surface, the The second assembly has a second end face disposed on one side of the first end face, and the gasket is sandwiched between the first end face and the second end face, wherein: the first end face and the second end face A boss and a groove are arranged between the second end faces, and the gasket is pressed by the boss and deformed in the groove.

In one embodiment, a section of the groove parallel to the thickness direction of the first fitting is arc-shaped.

In one embodiment, the cross section of the boss parallel to the thickness direction of the first fitting is triangular or trapezoidal.

In one embodiment, the groove wall of the groove includes a first bottom surface and first side surfaces connected to opposite sides of the first bottom surface, the first bottom surface is a plane surface, and the first side surface is an arc surface.

In one embodiment, the junction between the first bottom surface and the first side surface is arranged in a smooth transition.

In one embodiment, the junction of the first side surface and the first end surface or the second end surface is arranged in a smooth transition.

In one embodiment, the height of the groove parallel to the thickness direction of the first fitting is smaller than the width of the groove perpendicular to the thickness direction of the first fitting.

In one embodiment, at least one of the first end face and the second end face is an annular end face, the gasket is a hollow gasket, the boss is an annular boss, and the groove is an annular groove.

In one embodiment, a plurality of the annular bosses are provided on both the first end face and the second end face, and the annular recess is formed between two adjacent annular bosses on the first end face A groove, the annular groove is formed between the two adjacent annular bosses on the second end surface, and the annular boss and the annular groove on the first end surface form a continuous sawtooth shape structure.

Another object of the present application is to provide a compressor sealing structure, comprising a first casing and a second casing connected to each other, and a gasket, the first casing has a third end face, the second casing There is a fourth end face set on one side of the third end face, the gasket is sandwiched between the third end face and the fourth end face, wherein: the third end face and the fourth end face There are mutually matched annular bosses and annular grooves, and the gasket is pressed by the annular bosses and deformed in the annular grooves.

Yet another object of the present application is to provide a compressor sealing structure, comprising a first casing, a partition plate and a first gasket, the first casing has a third end surface, and the partition plate has a The fifth end face on one side of the third end face, the first gasket is sandwiched between the third end face and the fifth end face, wherein: the third end face and the fifth end face are provided with The first annular boss and the first annular groove are adapted to each other, and the first gasket is pressed by the first annular boss and deformed in the first annular groove.

In one embodiment, the compressor sealing structure further includes a second casing and a second gasket, the second casing is connected to the first casing, and the partition plate has a connection with the first casing. The fifth end faces are opposite to the sixth end face, the second shell has a fourth end face disposed on one side of the sixth end face, and the sixth end face and the fourth end face are provided with a second annular ring adapted to each other A boss and a second annular groove, the second gasket is pressed by the second annular boss and deformed in the second annular groove.

Yet another object of the present application is to provide a compressor including the above compressor sealing structure.

Another object of the present application is to provide an air-conditioning apparatus including the above compressor.

Another object of the present application is to provide a vehicle including the above air conditioner.

beneficial effect

The above-mentioned one or more technical solutions of the sealing structure provided by the present application have at least one of the following technical effects: the sealing structure provided by the present application, by arranging mutually matching annular bosses and an annular groove, and a sealing gasket is arranged between the first assembly part and the second assembly part, so that the sealing gasket is squeezed by the annular boss after assembly, and elastically deforms in the annular groove, thereby realizing the first assembly part The seal between the seal and the second assembly part, the use of this sealing structure can avoid the problem of the gasket yielding under pressure, thereby avoiding seal failure, and the sealing pressure is greatly increased. At the same time, the setting of the annular groove makes the gasket deform during extrusion Afterwards, the sealing area is increased, and the sealing performance of the assembled components is improved.

In the compressor sealing structure provided by the present application, matching annular bosses and annular grooves are arranged between the first casing and the second casing, and a sealing gasket is arranged between the first casing and the second casing. , so that the gasket is squeezed by the annular boss after assembly, and elastically deforms in the annular groove, thereby realizing the sealing between the first shell and the second shell, and the use of this sealing structure can prevent the gasket from being compressed The problem of yielding is avoided, so as to avoid seal failure, and the sealing pressure is greatly increased. At the same time, the setting of the annular groove increases the sealing area of the gasket after extrusion and deformation, and improves the sealing performance of the compressor.

In the compressor provided by the present application, the above-mentioned compressor sealing structure is provided, thereby ensuring the sealing performance of the compressor. After assembly, the corresponding gasket is squeezed by the annular boss and elastically deformed in the corresponding annular groove, thereby realizing the sealing between the compressor assemblies. The use of this sealing structure can avoid the problem of the gasket yielding under pressure. Therefore, the sealing failure is avoided, and the sealing pressure is greatly increased. At the same time, the arrangement of the annular groove increases the sealing area of the corresponding sealing gasket after extrusion and deformation, and improves the sealing performance and reliability of the compressor.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic assembly diagram of a sealing structure provided by an embodiment of the application;

Fig. 2 is a sectional view of the sealing structure shown in Fig. 1;

3 is a cross-sectional view of a compressor sealing structure provided by an embodiment of the application;

Fig. 4 is the enlarged schematic diagram of A part in Fig. 3;

5 is a cross-sectional view of a compressor sealing structure provided by another embodiment of the present application;

Fig. 6 is the enlarged schematic diagram of part B in Fig. 5;

Fig. 7 is the exploded schematic diagram of the compressor sealing structure shown in Fig. 5;

FIG. 8 is a partial enlarged schematic diagram of a compressor sealing structure provided by another embodiment of the present application;

FIG. 9 is a partial cutaway view of a partition plate in the compressor sealing structure shown in FIG. 8;

FIG. 10 is a partial cutaway view of a partition plate in a compressor sealing structure according to still another embodiment of the present application.

Among them, each reference sign in the figure:

11-first assembly; 12-second assembly; 13-first end face; 14-second end face; 15-boss; 16-groove; 100-shell; 200-partition plate; Pad; 101-first chamber; 102-second chamber; 103-annular boss; 104-annular groove; 110-first shell; 120-second shell; 111-third end face; 121- Fourth end face; 201-fifth end face; 202-sixth end face; 210-first annular boss; 220-first annular groove; 230-second annular boss; 240-second annular groove; 221- The first bottom surface; 222 - the first side surface; 310 - the first gasket; 320 - the second gasket.

Embodiments of the present invention

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the application and simplifying the description, rather than indicating or implying the indicated A device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

The sealing structure provided by the embodiments of the present application will now be described. The sealing structure is not limited to be used in compressors, and can also be used in other pressure vessels, or in similar scenarios, such as flange sealing structures, pipeline sealing structures, or other assembly structures. The sealing structure includes a first fitting 11 , a second fitting 12 and a gasket 300 . The first assembly part 11 and the second assembly part 12 are hard parts, such as metal parts; the first assembly part 11 and the second assembly part 12 are matched and connected, and the two can be fixed by connecting parts, or assembled and fixed by a matching structure. An assembly part 11 has a first end surface 13, and the second assembly part 12 has a second end surface 14. The second end surface 14 is provided on one side of the first end surface 13; The gasket 300 is sandwiched between the first end face 13 and the second end face 14 , the first end face 13 and the second end face 14 are provided with a boss 15 and a groove 16 that cooperate with each other, and the gasket 300 is pressed by the boss 15 In the groove 16, and elastic deformation occurs, so that the first fitting 11 and the second fitting 12 are sealed. The number of the bosses 15 and the grooves 16 can be set according to the actual application requirements. A plurality of bosses 15 can be set on the first end face 13, and a plurality of grooves 16 can be set at the corresponding positions of the second end face 14. The positions of the grooves 16 correspond one-to-one; the first end face 13 may also be provided with a boss 15 and a groove 16 at the same time, and the second end face 14 is provided with a groove 16 and a boss 15 at corresponding positions.

That is to say, when the first assembly 11 and the second assembly 12 are assembled, the corresponding position of the gasket 300 will be squeezed into the corresponding groove 16 by the boss 15, and the gasket 300 will be elastically deformed after being squeezed. A protrusion is formed at the corresponding position of the gasket 300, and the opposite sides of the protrusion are respectively close to the groove walls of the boss 15 and the groove 16, which not only increases the sealing area and improves the sealing performance, but also the protrusion formed after the deformation of the gasket 300. The opposite sides of the upright are compressed, and the protrusions on the gasket 300 will not yield phenomenon under high pressure environment, so that the sealing effect can be ensured, and the sealing structure can be suitable for the sealing requirements under high pressure environment. Compared with the sealing structure in which the bosses 15 are directly arranged on the sealing pad 300, in this embodiment, the bosses 15 and the grooves 16 are arranged to squeeze and deform the corresponding positions of the sealing pad 300, which can not only avoid the yield phenomenon, but also avoid the occurrence of yielding. A stable seal can be formed between the first assembly part 11 and the second assembly part 12, the gasket 300 can be used for a long time, and the service life of the gasket 300 is improved; at the same time, after the gasket 300 is deformed in the groove 16, the gasket 300 The contact area with the first fitting 11 and the second fitting 12 is increased, which improves the sealing performance.

Compared with the prior art, the sealing structure provided by the present application, by arranging matching bosses 15 and grooves 16 between the opposite end faces of the first fitting 11 and the second fitting 12 , and installing the first fitting 11 A gasket 300 is arranged between the second assembly 12 and the gasket 300, so that the gasket 300 is pressed by the boss 15 and elastically deformed in the groove 16 after assembly, so as to realize the connection between the first assembly 11 and the second assembly 12. This sealing structure can avoid the problem of the sealing gasket 300 yielding under pressure, thereby avoiding sealing failure, and the sealing pressure is greatly increased; at the same time, the setting of the groove 16 makes the sealing gasket 300 and the first one after extrusion deformation. The contact area between the fitting 11 and the second fitting 12 is increased, which improves the sealing performance of the corresponding fitting.

In one embodiment, the cross-section of the groove 16 parallel to the thickness direction of the first fitting 11 is arc-shaped. In this way, since the groove 16 has no edges and corners, the first fitting 11 , the second fitting 12 and the gasket 300 During assembly, the gasket 300 will not be damaged after being squeezed and deformed by the boss 15 , and the integrity of the gasket 300 can be maintained while increasing the sealing area. Specifically, the boss 15 can be an annular boss, the groove 16 is an annular groove, and the shape of the cross section of the annular groove can be a circular arc or other regular arc to ensure the structural stability of the gasket 300 .

In one embodiment, the cross section of the boss 15 is triangular or trapezoidal, that is, parallel to the thickness direction of the first assembly part 11 . Specifically, the boss 15 can be an annular boss, the cross section of one side of the annular boss is a triangle or a trapezoid, and a plurality of annular bosses with a trapezoidal cross section can be evenly spaced on the first end face 13 . An annular groove with a trapezoidal cross-section is formed between the two annular bosses; a plurality of annular grooves with a trapezoidal cross-section are evenly spaced on the second end face 14, and two adjacent annular grooves are formed with a trapezoidal cross-section annular groove The boss, the first end face 13 and the second end face 14 both form a continuous zigzag structure. The annular boss on the first end face 13 corresponds to the position of the annular groove on the second end face 14. The annular groove corresponds to the position of the annular boss on the second end face 14 .

In one embodiment, at least one of the first end face 13 and the second end face 14 is an annular end face, the gasket 300 is a hollow gasket, that is, an annular gasket, the boss 15 is an annular boss, and correspondingly, the groove 16 is an annular groove. The annular boss is a circumferentially closed structure. After the gasket 300 is squeezed by the annular boss, elastic deformation occurs in the corresponding annular groove, so that a circumference is formed between the first fitting 11 and the second fitting 12 . towards a closed hermetic structure.

In one embodiment, a plurality of annular bosses are provided at intervals on the first end face 13, an annular groove is formed between two adjacent annular bosses, and the annular boss and the annular groove on the first end face 13 form a continuous structure. The second end face 14 is provided with a plurality of annular bosses at intervals, an annular groove is formed between two adjacent annular bosses, and the annular boss and the annular groove on the second end face 14 form a continuous In the zigzag structure, the zigzag structure on the first end surface 13 and the zigzag structure on the second end surface 14 are complementary. The zigzag here is not limited to the zigzag in the strict geometric sense, and can also be a combination of various irregular shapes similar to the zigzag. When the cross section of each annular groove on the first end surface 13 is arc-shaped, a wavy sawtooth structure is formed on the first end surface 13, and a wavy sawtooth structure is formed on the second end surface 14. The second end surface 14 A wavy jagged structure is formed on it.

The zigzag structure on the first end face 13 can extend to the inner and outer peripheries of the first end face 13, and the zigzag structure on the second end face 14 can extend to the inner and outer peripheries of the second end face 14. The opposite first end surface 13 and the second end surface 14 are provided with mutually matched zigzag structures, so that after the gasket 300 is squeezed and elastically deformed, a continuous wave-shaped concave-convex structure is formed. The parts in contact are elastically deformed everywhere, so that the sealing area is increased, and there is a small distance between two adjacent annular bosses, which can effectively improve the sealing performance.

The sealing structure of the above embodiment is applied to the assembly structure of the compressor as follows, and each application scenario is described in detail:

Referring to FIGS. 3 and 4 , the compressor sealing structure provided in the embodiment of the present application includes a first casing 110 , a second casing 120 and a gasket 300 . The casing 100 of the compressor adopts a split structure. The casing 100 includes a first casing 110 and a second casing 120 that are connected to each other, and the two can be fixed by bolts. The first casing 110, the second casing 120 and the The partition plate 200 can be made of aluminum alloy, which has the characteristics of light weight, good workability and low cost, which can reduce the production cost; the minimum thickness of any one of the first shell 110 and the second shell 120 can be Set in the range of 3mm to 8mm, it can ensure that the first shell 110 and the second shell 120 have sufficient strength, and avoid the deformation of the first shell 110 and the second shell 120 under the action of pressure. The thicknesses of the body 110 and the second casing 120 can be determined according to the pressure of the refrigerant, and the respective thicknesses can be appropriately increased or decreased. The first casing 110 has a third end face 111 , the second casing 120 has a fourth end face 121 , the gasket 300 is sandwiched between the third end face 111 and the fourth end face 121 , and the third end face 111 and the fourth end face 121 are sandwiched between the third end face 111 and the fourth end face 121 . An annular boss 103 and an annular groove 104 that cooperate with each other are arranged therebetween, and the gasket 300 is pressed by the annular boss 103 and elastically deformed in the annular groove 104 . That is, the sealing structure of the above-mentioned embodiment is applied to the assembly structure of the compressor casing, the first casing 110 constitutes the first assembly 11, the second casing 120 constitutes the second assembly 12, the third end face 111 and the fourth end face The number and layout density of the annular bosses 103 and the annular grooves 104 on 121 can be set according to the actual application of the compressor.

Compared with the prior art, in the compressor sealing structure provided by the present application, the annular boss 103 and the annular groove 104 are arranged between the opposite end faces of the first casing 110 and the second casing 120. A gasket 300 is arranged between the first shell 110 and the second shell 120, so that the gasket 300 is pressed by the annular boss 103 after assembly, and elastically deforms in the annular groove 104, thereby realizing the first shell 110 and the second housing 120 are sealed, the use of this sealing structure can avoid the problem of the gasket 300 yielding under pressure, thereby avoiding seal failure, and the sealing pressure is greatly increased. At the same time, the setting of the annular groove 104 makes the gasket 300 increases the sealing area after extrusion deformation and improves the sealing performance of the compressor.

Referring to FIG. 5 and FIG. 6 , the compressor sealing structure provided in the embodiment of the present application is different from the previous embodiment in that the second casing 120 is replaced with the partition plate 200 , that is, the compressor sealing structure includes the first casing 110 , the partition plate 200 and the first gasket 310 , the first housing 110 has a third end surface 111 , and the partition plate 200 has a fifth end surface 201 , the fifth end surface 201 is provided on one side of the third end surface 111 . The first sealing gasket 310 is sandwiched between the third end face 111 and the fifth end face 201, and the third end face 111 and the fifth end face 201 are provided with a first annular boss 210 and a first annular groove 220 that are adapted to each other. A sealing gasket 310 is pressed by the first annular boss 210 and elastically deformed in the first annular groove 220 , so as to realize the sealing between the first casing 110 and the partition plate 200 . The use of this sealing structure can avoid the problem of the first sealing gasket 310 yielding under pressure, thereby avoiding sealing failure, and the sealing pressure is greatly increased. The sealing area is increased and the sealing performance of the compressor is improved.

FIG. 5 shows a partial assembly of the compressor including the casing 100 , the divider plate 200 and the two gaskets 300 . The case 100 includes a first case 110 and a second case 120 . The partition plate 200 is arranged between the first shell 110 and the second shell 120 , the partition plate 200 and the first shell 110 enclose the first chamber 101 , and the partition plate 200 and the second shell 120 enclose the first chamber 101 . The second chamber 102 is formed together, and the pressure in the first chamber 101 is greater than the pressure in the second chamber 102, that is, the first chamber 101 is a high-pressure chamber, and the second chamber 102 is a low-pressure chamber; It can be made of aluminum alloy, which has the characteristics of light weight, good workability and low cost, which can reduce the production cost; the first shell 110 and the second shell 120 can be connected by bolts, and the bolts pass through the first shell The body 110 , the partition plate 200 , the two gaskets 300 and the second shell 120 are assembled; the first shell 110 and the second shell 120 can also be connected and fixed by screw fitting. The threaded mating surface with the second housing 120 may be provided with a sealing ring to improve sealing performance.

In one embodiment, referring to FIG. 5 and FIG. 6 , the compressor sealing structure includes a casing 100 , a partition plate 200 and two gaskets 300 , and the two gaskets 300 include a first gasket 310 and a second gasket 320, the two gaskets 300 are both hollow and annular before assembly, and the assembly surfaces on both sides of the gasket 300 are flat; the first gasket 310 is arranged between the first housing 110 and the partition plate 200 , the second gasket 320 is arranged between the second casing 120 and the partition plate 200 , that is, the first gasket 310 is used for sealing between the first casing 110 and the partition plate 200 and the outside world, and the second gasket 320 is used for sealing between the second casing 120 and the partition plate 200 and the outside world, where the outside world refers to the space other than the compressor. As described above, the split structure is adopted, and on the premise of ensuring the sealing performance, the installation and disassembly between the first casing 110 and the second casing 120 are facilitated, the assembly efficiency is improved, and the maintenance and replacement of the internal parts of the compressor are facilitated. Parts, improve the ease of assembly and disassembly of the compressor.

Specifically, the partition plate 200 has a fifth end face 201 and a sixth end face 202 that are relatively distributed (ie, front and back sides), wherein the fifth end face 201 is disposed opposite to the end face (third end face 111 ) of the first housing 110 , the open end of the second shell 120 forms a fourth end face 121, the sixth end face 202 is arranged opposite to the fourth end face 121, and the sixth end face 202 and the fourth end face 121 are provided with a second boss 230 and a first Two grooves 240 , the second gasket 320 is pressed by the second boss 230 and elastically deformed in the second groove 240 . As shown in FIGS. 5 and 6 , three second bosses 230 are provided at intervals on the end surface (the fourth end surface 121 ) of the open end of the second housing 120 , and three second bosses 230 are provided at intervals on the sixth end surface 202 of the partition plate 200 . In the grooves 240 , the positions of the second bosses 230 and the second grooves 240 are arranged in a one-to-one correspondence.

In the present application, the above-mentioned fifth end face 201 can be provided with first annular bosses 210 or first annular grooves 220 at intervals, or can also be provided with first annular bosses 210 and first annular grooves 220 at intervals; the sixth end face The first annular bosses 210 or the first annular grooves 220 may be arranged on the 202 at intervals, or the first annular projections 210 and the first annular grooves 220 may be arranged at intervals at the same time. As shown in FIG. 5 , the fifth end surface 201 is provided with a first annular boss 210 and two first annular grooves 220 , and the sixth end surface 102 is provided with three second grooves 240 at intervals. As shown in FIG. 9 , the fifth end surface 201 is provided with three first annular bosses 210 at intervals, and the sixth end surface 202 is provided with two first annular grooves 220 at intervals. As shown in FIG. 10 , the fifth end surface 201 is provided with three first annular grooves 220 at intervals, and the sixth end surface 202 is provided with two second bosses 230 at intervals.

In one embodiment, the fifth end face 201 is provided with at least one first annular boss 210 and at least one first annular groove 220, and the sixth end face 202 is provided with at least one first annular boss 210 and at least one first annular boss 210. The first annular groove 220 . That is to say, the fifth end face 201 is provided with the first annular boss 210 and the first annular groove 220 at the same time, and the sixth end face 202 is provided with the first annular boss 210 and the first annular groove 220 at the same time. The number and arrangement density of the bosses 210 and the first annular grooves 220 can be set according to actual application requirements. Specifically, the number of the first annular grooves 220 on the fifth end surface 201 and the sixth end surface 202 may be set to be greater than the number of the first annular bosses 210 .

In the present application, the position of the first annular boss 210 or the first annular groove 220 on the fifth end face 201 is one-to-one with the position of the first annular boss 210 or the first annular groove 220 on the sixth end face 202 . Or, as shown in FIG. 8 , the first annular boss 210 or the first annular groove 220 on the fifth end face 201 and the first annular boss 210 or the first annular groove 220 on the sixth end face 202 For dislocation arrangement, the density of the first annular boss 210 or the first annular groove 220 on the fifth end face 201 can be the same as the density of the first annular boss 210 or the first annular groove 220 on the sixth end face 202 The same or different, the specific arrangement can be made according to the compressor sealing performance requirements.

In one embodiment, referring to FIGS. 6 and 8 , the fifth end surface 201 is provided with a first annular boss 210 , and the sixth end surface 202 is provided with a first annular groove 220 ; or, the fifth end surface 201 is provided with a first annular groove 220 . The first annular groove 220 and the sixth end face 202 are provided with a first annular boss 210 . That is to say, two opposite end surfaces of the partition plate 200 are provided with different structures, one end surface is provided with the first annular boss 210 , and the other end surface is provided with the first annular groove 220 . As shown in FIG. 8 , a plurality of first annular bosses 210 are arranged at intervals on the fifth end surface 201 of the partition plate 200 , and a plurality of first annular grooves 220 are arranged at intervals on the sixth end surface 202 . It can be understood that, the fifth end surface 201 and the sixth end surface 202 can also be provided with the first annular boss 210 or the first annular groove 220, and the end surfaces of the first housing 110 and the second housing 120 are provided with the An annular groove 220 or a first annular boss 210 .

In one embodiment, referring to FIG. 6 , the total number of the first annular bosses 210 and the first annular grooves 220 on the fifth end face 201 is set to be greater than the first annular bosses 210 and the first annular grooves 220 on the sixth end face 202 . The total number of annular grooves 220, so that the sealing structures formed between the first shell 110 and the partition plate 200 and between the second shell 120 and the partition plate 200 on both sides can be suitable for sealing in a high-pressure environment need. The width of the sealing area of the fifth end face 201 is set to be greater than the width of the sealing area of the sixth end face 202, and the width of the first sealing gasket 310 is larger than that of the second sealing gasket 320, so that between the first casing 110 and the outside, the The sealing between the two shells and the outside world is guaranteed.

In one embodiment, the cross section of the first annular groove 220 parallel to the axis direction of the first casing 110 is arc-shaped. When the 200 and the first gasket 310 are assembled, the first gasket 310 will not be damaged after being squeezed and deformed by the first annular boss 210 , and the integrity of the first gasket 310 can be maintained while increasing the sealing area. The shape of the cross-section of the first annular groove 220 may be a circular arc or other regular arcs, so as to ensure the structural stability of the first sealing gasket 310 . Understandably, the cross section of the first annular groove 220 parallel to the axis of the first housing 110 may also be in other shapes, such as a trapezoid with one side open, and the junction between the bottom wall and the side wall is a smooth transition.

In one embodiment, referring to FIGS. 8 and 10 , the groove wall of the first annular groove 220 includes a first bottom surface 221 and a first side surface 222, and the first side surface 222 is connected to the opposite sides of the first bottom surface 221, wherein, The first bottom surface 221 is set as a plane, the first side surface 222 is set as an arc surface, and the first side surfaces 222 on both sides may be provided on opposite sides of the first bottom surface 221 in mirror symmetry. That is to say, the bottom wall of the first annular groove 220 is a plane, the side wall is an arc surface, and each surface of the corresponding first annular boss 210 is matched with the groove wall of the first annular groove 220. The width of a bottom surface 221 can be designed to be larger. Compared with the first annular groove 220 having a full arc-shaped cross section, the first sealing gasket 310 of this embodiment is pressed by the first annular boss 210 , and is A larger deformation amount can be generated in the first annular groove 220 , so that the deformed first gasket 310 has more contact area with the first housing 110 and the partition plate 200 , thereby improving the sealing performance.

In one embodiment, referring to FIGS. 8 and 10 , the first bottom surface 221 of the first annular groove 220 is set to be perpendicular to the thickness direction of the partition plate 200 , that is, the radial direction between the first bottom surface 221 and the first casing 110 The surface of the first annular boss 210 parallel to the first bottom surface 221 is also parallel to the radial direction of the first housing 110 . In this way, after the first gasket 310 is pressed by the first annular boss 210 , the deformation in the first annular groove 220 is relatively stable, the stress of the first gasket 310 in the first annular groove 220 is relatively dispersed, and the service life of the first gasket 310 can be effectively improved.

In one embodiment, referring to FIGS. 8 and 10 , the joint of the first bottom surface 221 of the first annular groove 220 and the first side surface 222 is arranged in a smooth transition, so that the first gasket 310 is surrounded by the first annular boss. When the 210 is squeezed and deformed, the joint is not easily scratched, which ensures the integrity of the first sealing gasket 310 .

In one embodiment, referring to FIGS. 8 and 10 , the junction between the first side surface 222 of the first annular groove 220 and the corresponding end surface of the first housing 110 or the partition plate 200 is set as a smooth transition. The fifth end face of the partition plate 200 is provided with a first annular groove 220 , the joint of the first side 222 of the first annular groove 220 and the fifth end face 201 is a smooth transition, and the first gasket 310 is protruded by the first annular groove. When the table 210 is squeezed and deformed, the joint is not easily scratched, which ensures the integrity of the first sealing gasket 310 .

In one embodiment, referring to FIGS. 8 and 10 , the height D1 of the first annular groove 220 parallel to the axis of the first casing 110 is set to be smaller than the height D1 of the first annular groove 220 perpendicular to the axis of the first casing 110 . The width D2 in the direction, that is, the depth of the first annular groove 220 is smaller than its width, so that the first gasket 310 is not easily damaged when it is squeezed and deformed by the first annular boss 210, and the deformation process of the first gasket 310 is relatively smooth. , it is not easy to be damaged by extrusion, thus ensuring the reliability and stability of the seal.

In one embodiment, the arrangement density of the first annular bosses 210 and the first annular grooves 220 between the partition plate 200 and the first housing 110 is set to be set from the center of the partition plate 200 along the distance of the partition plate 200 . The radially outward direction gradually decreases, that is, the arrangement density of the first annular boss 210 and the first annular groove 220 gradually decreases from the inner side to the outer side of the housing 100 (ie, the F1 direction in FIG. 5 ). The layout density on the inner side is higher than that on the outer side, so that better sealing can be formed on the high pressure side (ie, in the space enclosed by the partition plate 200 and the first casing 110 ). In one embodiment, referring to FIG. 9 , the fifth end surface 101 of the partition plate 200 is provided with three first annular bosses 210 at intervals, the three first annular bosses 210 are coaxially arranged, and the first annular boss located on the inner side The distance between 210 and the middle first annular boss 210 is set to be smaller than the distance between the outer first annular boss 210 and the middle first annular boss 210 .

In one embodiment, referring to FIG. 6 , the first annular boss 210 or the first annular groove 220 on the fifth end face 201 and the sixth end face 202 and the distance between the first annular boss 210 and the first annular groove 220 farthest from the center of the separation plate 200 and the separation plate 200 The outer edge is spaced, that is, the first annular boss 210 or the first annular groove 220 near the outermost side of the housing 100 will not be exposed, so as to ensure the effective sealing area of the corresponding first gasket 310 and improve the sealing performance; it is understandable Preferably, the first annular boss 210 or the first annular groove 220 on the sixth end face 202 that is closest to the second chamber 102 can be disposed at the inner edge, the boss at the edge is set as an arc-shaped boss, and the groove For the arc groove.

Embodiments of the present application further provide a compressor, including the compressor sealing structure described in the above embodiments. In the compressor proposed in this embodiment, by providing the above-mentioned sealing structure, a matching first annular boss 210 and a first annular groove 220 are arranged between the opposite end faces of the partition plate 200 and the first casing 100, A first gasket 310 is arranged between the plate 200 and the first casing 110, so that the first gasket 310 is pressed by the first annular boss 210 and deformed in the first annular groove 220 after assembly, thereby realizing the compressor For the sealing of the casing 100, the use of this sealing structure can avoid the problem of the first gasket 310 yielding under pressure, thereby avoiding seal failure, and the sealing pressure is also greatly increased. The casing 100 of the compressor can be suitable for operation in a high-pressure environment. The reliability of the compressor is greatly improved. At the same time, the arrangement of the first annular groove 220 enables the first gasket 310 to increase the sealing area after being squeezed and deformed, thereby improving the sealing performance and reliability of the compressor.

In addition, the compressor also includes a pump body assembly, a motor and a crankshaft (not shown in the drawings), etc., wherein the pump body assembly is arranged in the first chamber 101, the motor is arranged in the second chamber 102, and the crankshaft passes through The partition plate 200 and both ends extend into the first chamber 101 and the second chamber 102 respectively, the central axis of the crankshaft coincides with the central axis of the casing 100, the motor is connected to the pump body assembly through the crankshaft, and the motor can be driven by the crankshaft The pump body assembly operates in the first chamber 101 .

Embodiments of the present application further provide an air conditioner, including the compressor described in the foregoing embodiments. In the air conditioning equipment provided in this embodiment, the above-mentioned compressor is provided to ensure the sealing performance of the compressor. After assembly, the gasket is squeezed by the boss and elastically deforms in the corresponding annular groove, so as to realize the sealing performance of the compressor assembly. Sealing, the use of this sealing structure can avoid the problem of the gasket yielding under pressure, thereby avoiding seal failure, and the sealing pressure is greatly increased; More contact area, which improves the sealing performance of the compressor and improves the reliability of the air conditioning equipment.

The vehicle provided by the embodiment of the present application includes the air conditioner of the above embodiment. The vehicle according to the present embodiment is provided with the above-mentioned air-conditioning apparatus. Since the air-conditioning apparatus adopts the above-mentioned sealing structure, the sealing performance and reliability of the compressor are ensured. The boss and the annular groove, and a sealing gasket is arranged between the opposite end faces, so that after the compressor assembly is assembled, the sealing gasket is squeezed by the annular boss, and elastically deforms in the corresponding annular groove, so that the compressor can be The use of this sealing structure can effectively avoid the problem of yielding of the gasket under pressure, thereby avoiding seal failure, and the sealing pressure is greatly increased. There is more contact area between the end faces, which improves the sealing performance of the compressor, thereby improving the reliability of the vehicle.

The vehicle proposed in the present application, no matter the model or size, can be installed with the above-mentioned air-conditioning equipment as long as its structure is suitable. Specifically, the vehicle may include a body and a front (not shown in the drawings), a driver's cab (not shown in the drawings) for people to ride on is arranged in the vehicle body, and the air conditioner is at least partially arranged in the front of the vehicle. It should be noted here that, in order to successfully complete the entire refrigeration or heating cycle, usually in the air-conditioning equipment, an air outlet assembly (not shown in the drawings) is also provided to communicate with the condenser. The temperature-regulated space is communicated, for example, with the cab of the vehicle, so that the air after heat exchange with the refrigerant can be discharged to the space, so as to realize the temperature control effect of the air conditioner on the interior space of the vehicle such as the cab. Since this vehicle adopts all the technical solutions of all the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.

In addition, in this application, the specific type of the above-mentioned vehicle is not limited. For example, the vehicle can be a traditional fuel vehicle or a new energy vehicle. The new energy vehicle includes but is not limited to pure electric vehicles, extended-range electric vehicles Vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen-engine vehicles, etc., are not particularly limited in this embodiment.

The above descriptions are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

Claims

A sealing structure includes a first fitting and a second fitting which are connected, and a gasket, the first fitting has a first end face, and the second fitting has a side provided on the first end face The second end face of the seal, the gasket is sandwiched between the first end face and the second end face. and a groove, the gasket is pressed by the boss and deformed in the groove.
The sealing structure according to claim 1, wherein a cross section of the groove parallel to the thickness direction of the first fitting is arc-shaped.
The sealing structure according to claim 1, wherein the cross section of the boss parallel to the thickness direction of the first fitting is triangular or trapezoidal.
The sealing structure according to claim 1, wherein the groove wall of the groove comprises a first bottom surface and first side surfaces connected to opposite sides of the first bottom surface, the first bottom surface is a plane, so The first side surface is an arc surface.
The sealing structure according to claim 4, wherein the joint of the first bottom surface and the first side surface is arranged in a smooth transition.
The sealing structure according to claim 4, wherein the joint of the first side surface and the first end surface or the second end surface is arranged in a smooth transition.
The sealing structure according to claim 4, wherein the height of the groove parallel to the thickness direction of the first fitting is smaller than the width of the groove perpendicular to the thickness direction of the first fitting.
The sealing structure according to any one of claims 1 to 7, wherein at least one of the first end face and the second end face is an annular end face, the sealing gasket is a hollow sealing gasket, and the The boss is an annular boss, and the groove is an annular groove.
The sealing structure according to claim 8, wherein a plurality of the annular bosses are provided on both the first end surface and the second end surface, and two adjacent annular bosses on the first end surface The annular groove is formed between the platforms, the annular groove is formed between two adjacent annular bosses on the second end surface, the annular boss on the first end surface and the The annular grooves form a continuous sawtooth-like structure.
A compressor sealing structure, a first casing and a second casing are connected, and a gasket, the first casing has a third end face, and the second casing has a The fourth end face of the side, the gasket is sandwiched between the third end face and the fourth end face, and it is characterized in that: the third end face and the fourth end face are provided with mutually matched annular A boss and an annular groove, the gasket is pressed by the annular boss and deformed in the annular groove.
A compressor sealing structure includes a first casing, a partition plate and a first gasket, the first casing has a third end surface, and the partition plate has a third end surface provided on one side of the third end surface. Five end faces, the first gasket is sandwiched between the third end face and the fifth end face, and it is characterized in that: the third end face and the fifth end face are provided with mutually matched first An annular boss and a first annular groove, the first gasket is pressed by the first annular boss and deformed in the first annular groove.
The compressor sealing structure according to claim 11, wherein the compressor sealing structure further comprises a second casing and a second gasket, the second casing is connected to the first casing, The partition plate has a sixth end face opposite to the fifth end face, the second housing has a fourth end face provided on one side of the sixth end face, the sixth end face and the fourth end face A second annular boss and a second annular groove are arranged thereon, and the second gasket is pressed by the second annular boss and deformed in the second annular groove.
A compressor, characterized in that it comprises the compressor sealing structure according to any one of claims 10-12.
An air conditioner is characterized by comprising the compressor of claim 13 .
A vehicle, characterized in that it comprises the air conditioner of claim 14 .