CN114542424A - Pipeline sealing structures, compressors, air conditioning equipment and vehicles - Google Patents

Abstract

The application provides a pipeline sealing structure, a compressor, an air conditioner and a vehicle. The pipeline sealing structure includes a first joint and a second joint connected to each other, and a gasket, the first joint has a first end face, and the second joint It has a second end surface arranged on one side of the first end surface, the sealing gasket is sandwiched between the first end surface and the second end surface, and the first end surface and the second end surface are provided with mutually matching bosses and grooves. In the pipeline sealing structure provided by the present application, by arranging matching bosses and grooves between the first joint and the second joint, the gasket is squeezed by the bosses and elastically deformed in the grooves after assembly, and further Achieving the sealing between the first joint and the second joint can avoid the problem of the gasket yielding under pressure, so as to avoid seal failure and greatly increase the sealing pressure; The contact area between the end faces on both sides is increased, improving the sealing performance.

Description

Pipeline sealing structures, compressors, air conditioning equipment and vehicles

technical field

The present application belongs to the technical field of pipeline sealing, and more particularly, relates to a pipeline sealing structure, a compressor, an air conditioner and a vehicle.

Background technique

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. There is a pipeline installed at the suction port or exhaust port of the compressor casing, which is connected and communicated with external equipment through the pipeline, and two joints are generally used to achieve communication between the pipeline and the pipeline. Seal with gasket. In order to improve the sealing performance, the commonly used method is to form an elastic rib on the gasket. After the rib is squeezed, elastic deformation occurs, so that the sealing can be achieved by the elasticity of the rib. When the pressure is relatively large, it is easy to cause the convex ribs on the gasket to yield, and the sealing ability of the convex ribs will drop sharply after yielding, which is easy to cause leakage.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide a pipeline sealing structure, a compressor, an air conditioner and a vehicle, so as to solve the problem that when the pressure on the sealing end face of the joint existing in the prior art is relatively large, it is easy to cause the joint between the two joints. The rib on the gasket produces a yield phenomenon, which is easy to cause technical problems of leakage.

In order to achieve the above purpose, the technical solution adopted in the present application is to provide a pipeline sealing structure, comprising a first joint and a second joint connected to each other, and a sealing gasket, the first joint has a first end surface, the first joint has a first end surface, and the The two joints have a second end surface disposed on one side of the first end surface, the gasket is sandwiched between the first end surface and the second end surface, wherein the first end surface and the second end surface The end face is provided with a boss and a groove that are adapted to each other, and the gasket is pressed by the boss and deformed in the groove.

In one embodiment, the gasket is a hollow gasket, the boss is an annular boss, and the groove is an annular groove.

In one embodiment, an accommodating groove is provided in the first joint, an annular step is protruded on the inner bottom surface of the accommodating groove, and the outer diameter of the annular step is smaller than the diameter of the accommodating groove, so The end face of the annular step forms the first end face, the second joint includes a large diameter end and a small diameter end, the large diameter end abuts on the end face of the first joint, and the outer diameter of the small diameter end is the same as that of the first joint. The accommodating groove is adapted, the small diameter end is inserted into the accommodating groove, and the end face of the small diameter end forms the second end face.

In one embodiment, the outer diameter of the gasket is greater than or equal to the outer diameter of the first end surface.

In one embodiment, the outer diameter of the sealing gasket is adapted to the diameter of the accommodating groove.

In one embodiment, a plurality of the annular bosses and the annular grooves are provided, and the plurality of annular bosses are arranged at intervals.

In one embodiment, a plurality of the annular bosses are provided on both the first end face and the second end, 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.

In one embodiment, the sawtooth-like structure extends to the inner periphery and the outer periphery of the first end surface.

In one embodiment, the cross section of the annular boss parallel to the axis of the first joint is triangular or trapezoidal.

In one embodiment, the groove wall of the annular 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 height of the annular groove parallel to the axis of the first joint is smaller than the width of the annular groove perpendicular to the axis of the first joint.

The beneficial effect of the pipeline sealing structure provided by the present application is that, compared with the prior art, the pipeline sealing structure of the present application has the advantages of arranging matching bosses and grooves between the first joint and the second joint, and at the first joint and the second joint. A joint and a second joint are provided with a sealing gasket, so that the gasket is squeezed by the boss and elastically deformed in the groove after assembly, so as to realize the sealing between the first joint and the second joint. This sealing structure can avoid The problem of the gasket yielding under pressure, so as to avoid seal failure, and the sealing pressure is greatly increased; at the same time, the setting of the groove increases the contact area between the gasket and the end faces on both sides after extrusion deformation, which improves the sealing performance .

Another object of the present application is to provide a compressor including the above-mentioned pipeline sealing structure.

The beneficial effect of the compressor provided by the present application is that compared with the prior art, the compressor provided by the present application is provided with the above-mentioned pipeline sealing structure, that is, by providing a matching boss between the first joint and the second joint. and groove, so that the gasket is squeezed by the boss and elastically deformed in the groove after assembly, so as to realize the sealing between the first joint and the second joint. The use of this sealing structure can avoid the problem of the gasket yielding under pressure. , so as to avoid seal failure and greatly increase the sealing pressure. At the same time, the setting of the groove increases the sealing area of the gasket after extrusion and deformation, and improves the sealing performance and reliability of the compressor.

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

The beneficial effect of the air-conditioning equipment provided by the present application is that compared with the prior art, the air-conditioning equipment proposed by the present application ensures the sealing performance of the compressor by setting the above-mentioned compressor. It is squeezed and elastically deformed in the groove, thereby realizing the sealing between the first joint and the second joint. The use of this sealing structure can avoid the problem of the gasket yielding under pressure, so as to avoid seal failure, and the sealing pressure is greatly increased. At the same time, the arrangement of the groove increases the sealing area of the gasket after extrusion and deformation, which improves the sealing performance of the compressor and improves the reliability of the air-conditioning equipment.

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

The beneficial effect of the vehicle provided by the present application is that, compared with the prior art, the vehicle proposed by the present application ensures the sealing performance of the compressor by setting the above air-conditioning equipment. Specifically, the sealing gasket is pressed by the boss after assembly. And elastic deformation occurs in the groove, so as to realize the sealing between the first joint and the second joint. The use of this sealing structure can effectively avoid the problem of the gasket yielding under pressure, thereby avoiding sealing failure, and the sealing pressure is greatly increased. , The setting of the groove can increase the sealing area, improve the sealing performance of the compressor, and then improve the reliability of the vehicle.

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 cross-sectional view of a first joint and a second joint of a pipeline sealing structure provided in an embodiment of the application when they are not connected together;

Fig. 2 is an enlarged schematic view of part A in the installation of the second joint and the gasket in the pipeline sealing structure shown in Fig. 1;

Fig. 3 is the enlarged schematic diagram of A part in Fig. 2;

Fig. 4 is a partial enlarged schematic view of the pipeline sealing structure shown in Fig. 3;

5 is an enlarged schematic view of one side of the first end face in the pipeline sealing structure shown in FIG. 3;

FIG. 6 is a partial structural schematic diagram of one side of the first end face in the pipeline sealing structure according to another embodiment of the present application;

FIG. 7 is a partial cutaway view of a pipeline sealing structure provided by another embodiment of the present application.

Among them, each reference sign in the figure:

10-shell; 11-chamber; 12-exhaust port; 100-first joint; 200-second joint; 300-seal; 101-accommodating groove; 102-inner chamfer; 103-installation hole; 110-first end face; 120-boss; 121-annular boss; 130-groove; 131-annular groove; 132-first bottom surface; 133-first side; 140-diameter expansion section; 150-annular step ; 201-external chamfer; 210-second end face; 220-small diameter end; 230-large diameter end; 240-vent hole; 310-coating.

Detailed ways

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.

FIG. 1 shows the cross-sectional structure of the compressor at the discharge port 12. The casing 10 of the compressor has a cavity 11, and the side wall of the casing 10 is provided with an discharge port 12 that communicates with the cavity 11. 10 can be made of aluminum alloy, which has the characteristics of light weight, good workability and low cost, which can reduce production costs; The thickness of the casing 10 can be determined according to the pressure of the refrigerant. The side wall of the housing 10 is provided with an exhaust port 12, and the exhaust port 12 is provided with a first joint 100. The first joint 100 is integrally formed with the casing 10, that is, the side wall of the casing 10 is formed by extending radially outward. The first joint 100 is hollow.

The pipeline sealing structure provided by the embodiments of the present application will now be described. 2 to 4 , the pipeline sealing structure includes a first joint 100, a second joint 200 and a gasket 300. The gasket 300 is sandwiched between the first joint 100 and the second joint 200. The first joint 100 is used for In communication with the first pipeline, the second joint 200 is used to communicate with the second pipeline, and the first pipeline and the second pipeline are connected through the connection of the first joint 100 and the second joint 200 to achieve communication. The first joint 100 and the second joint 200 are detachably connected, and the two can be fixed by connecting pieces. Specifically, the first joint 100 and the second joint 200 can be connected by bolts, and the first joint 100 and the second joint 200 The corresponding positions are provided with mounting holes 103, and the bolts pass through the mounting holes 103 of the first joint 100 and the second joint 200 to achieve assembly; the first joint 100 and the second joint 200 can also be assembled together in other ways, such as using threads Cooperate to achieve connection and fixation. The first joint 100 has a first end face 110, the second joint 200 has a second end face 210, the second end face 210 is disposed on one side of the first end face 110, the inner diameter of the first end face 110 is equal to the inner diameter of the second end face 210, and the gasket 300 is a hollow structure, the inner diameter of the gasket 300 is approximately equal to the inner diameter of the first end face 110 , the gasket 300 is sandwiched between the first end face 110 and the second end face 210 , and the first end face 110 and the second end face 210 are arranged on the There are bosses 120 and grooves 130 that are adapted to each other. After the first joint 100 , the second joint 200 and the gasket 300 are installed, the boss 120 presses the corresponding position of the gasket 300 and elastically deforms in the corresponding groove 130 , thereby achieving sealing. The number of the bosses 120 and the grooves 130 can be set according to actual application requirements. The bosses 120 and the grooves 130 can be formed by machining, or can be integrally formed during injection molding. Only the bosses 120 may be provided on the first end surface 110 , and only matching grooves 130 may be provided on the second end surface 210 ; There are grooves 130, and the bosses 120 are provided in a one-to-one correspondence with the positions of the grooves 130; the bosses 120 and the grooves 130 can also be provided on the first end face 110 at the same time, and grooves are provided at the corresponding positions of the second end face 210 130 and the boss 120, the boss 120 on the first end face 110 matches the groove 130 on the second end face 210, and the groove 130 on the first end face 110 matches the boss 120 on the second end face 210. It can be understood that the above-mentioned pipeline sealing structure can also be applied to the suction port of the compressor casing 10, or to the exhaust port or suction port of other pressure vessels, or directly to the connection assembly of the two pipelines. In the structure, the specific first pipeline can be the suction and exhaust ports of the compressor shell 10 or other pressure vessels, the second pipeline is the air conditioning system pipeline, and the first pipeline and the second pipeline can also be air conditioners. system piping.

That is to say, after the sealing gasket 300 is put in, in the process of connecting and assembling the second joint 200 and the first joint 100, the corresponding position of the sealing gasket 300 will be pressed into the corresponding groove 130 by the boss 120, and the sealing gasket 300 After extrusion, elastic deformation occurs, and after deformation, a protrusion is formed at the corresponding position, and the opposite sides of the protrusion are respectively close to the groove wall of the boss 120 and the groove 130, which not only increases the sealing area and improves the sealing performance, but also seals the gasket 300. The opposite sides of the protrusion formed after deformation are compressed, and the protrusion on the gasket 300 will not yield in a high pressure environment, so that the sealing effect can be ensured, and the sealing structure can be suitable for sealing requirements in a high pressure environment. Compared with the sealing structure in which the bosses 120 are directly arranged on the sealing gasket 300 , in this embodiment, by arranging the matching bosses 120 and the grooves 130 on the opposite end faces, the sealing gasket 300 is squeezed and deformed at the corresponding position, which not only avoids The yield phenomenon occurs, and a stable seal can be formed between the first joint 100 and the second joint 200, the gasket 300 can be used for a long time, and the service life of the gasket 300 is improved; , the contact area between the sealing gasket 300 and the first end surface 110 and the second end surface 210 on both sides is increased, which improves the sealing performance.

In the pipeline sealing structure provided by the present application, the matching bosses 120 and grooves 130 are arranged between the first joint 100 and the second joint 200, and the sealing gasket 300 is arranged between the first joint 100 and the second joint 200, so that the After assembly, the gasket 300 is squeezed by the boss 120 and elastically deformed in the groove 130, thereby achieving sealing. Using this sealing structure can avoid the problem of the gasket 300 yielding under pressure, thereby avoiding sealing failure, and the sealing pressure is greatly increased. At the same time, the arrangement of the groove 130 increases the contact area between the sealing gasket 300 and the end faces on both sides after extrusion deformation, which improves the sealing performance.

In one embodiment, referring to FIG. 3 and FIG. 4 , the gasket 300 is a hollow gasket, that is, an annular gasket, the boss 120 is an annular boss 121 , and the groove 130 is an annular groove 131 . The annular boss 121 is a circumferentially closed structure. After the gasket 300 is pressed by the annular boss 121, elastic deformation occurs in the annular groove 131, so that a circumferential direction is formed between the first joint 100 and the second joint 200. Closed sealed structure.

In one embodiment, referring to FIGS. 3 and 4 , the outer diameter of the gasket 300 is set to be larger than the outer diameter of the first end surface 110 . After the gasket 300 is installed, the outer periphery of the gasket 300 protrudes from the first end surface 110 . . Referring to FIGS. 1 to 4 , the side wall of the housing 10 is provided with an exhaust port 12 , the front end of the first joint 100 has a diameter-expanding section 140 , and the inner diameter of the diameter-expanding section 140 is larger than the inner diameter of the first joint 100 , and the diameter-expanding section 140 An accommodating groove 101 communicating with the exhaust port 12 is enclosed, and an annular step 150 is protruded from the inner bottom surface of the accommodating groove 101, and the end face of the annular step 150 forms the first end face 110; the second joint 200 has a small diameter end 220 and The large-diameter end 230, the outer diameter of the large-diameter end 230 is larger than the outer diameter of the small-diameter end 220, that is, the large-diameter end 230 has a flange protruding from the small-diameter end 220, the small-diameter end 220 is inserted into the accommodating groove 101, and the small-diameter end 220 has a flange. The end face forms the second end face 210 , the flange of the large diameter end 230 abuts on the end face of the enlarged diameter section 140 of the first joint 100 , and the side surface of the large diameter end 230 is provided with a ventilation hole 240 , through which the air conditioning system communicates with the air conditioning system. The outer diameter of the gasket 300 can be set to match the diameter of the accommodating groove 101, so that the gasket 300 can play a positioning role during the process of putting the gasket 300 into the accommodating groove 101, and the gasket 300 can be pushed into the accommodating groove. 101 until it abuts against the first end surface 110 , and there is no need to adjust the position of the sealing gasket 300 left and right. That is to say, the outer diameter of the gasket 300 is set to be larger than the outer diameter of the first end face 110, and is adapted to the diameter of the accommodating groove 101, so that the gasket 300 plays a positioning role during installation. After the second joint 200 is installed, the sealing gasket 300 can perform a better sealing structure between the first joint 100 and the second joint 200, and the sealing gasket 300 has a larger sealing area between the first joint 100 and the second joint 200, Can improve sealing performance.

During installation, push the gasket 300 into the accommodating groove 101 to make the gasket 300 abut against the first end face 110 , and then align the small diameter end 220 of the second joint 200 into the accommodating groove 101 of the first joint 100 , Until the small diameter end 220 is in contact with the gasket 300, and finally the second joint 200 and the first joint 100 are connected and fixed by bolts. When the bolts are tightened, the small diameter end 220 of the second joint 200 squeezes the gasket 300, while the annular boss 121 By squeezing the gasket 300, the gasket 300 is deformed in the corresponding annular groove 131, thereby achieving sealing. It can be understood that the outer diameter of the gasket 300 can also be set to be equal to the outer diameter of the first end face 110 , that is, after the gasket 300 is installed, the first end face 110 covers the gasket 300 , and the outer periphery of the gasket 300 is opposite to the first end face 110 . The end face 110 does not protrude. The upper surface and the lower surface of the sealing gasket 300 may be provided with coatings 310 respectively, which can play a certain buffering role and improve the service life of the sealing gasket 300 .

It can be understood that the pipeline sealing structure is not limited to be applied between the pipeline of the air-conditioning system and the suction and exhaust ports of the compressor, and can also be applied to the pipeline of the air-conditioning system. As shown in FIG. 7 , the pipeline sealing structure includes a first joint 100, a second joint 200, and a gasket 300 disposed between the first joint 100 and the second joint 200. The first joint 100 and the second joint 200 are opposite to each other. The two ends are respectively used to communicate with the pipeline of the air conditioning system. After installing the first joint 100 and the second joint 200 on the corresponding pipelines, put the gasket 300 into the first joint 100, then align the second joint 200 with the first joint 100, and insert the second joint 200 For the first joint 100, bolts are passed through the installation holes 103 of the two joints, and the bolts are tightened to complete the installation.

In one embodiment, referring to FIGS. 3 and 4 , a plurality of annular bosses 121 and annular grooves 131 are provided, the plurality of annular bosses 121 are arranged at intervals, and the plurality of annular grooves 131 are spaced apart. layout. Specifically, a plurality of annular bosses 121 may be arranged on the first end face 110 at intervals, and each annular boss 121 is arranged concentrically. Correspondingly, a plurality of annular grooves 131 may be arranged on the second end face 210 at intervals, each The annular grooves 131 are arranged concentrically, and the positions of the annular bosses 121 and the annular grooves 131 are arranged in a one-to-one correspondence. It can be understood that a plurality of annular bosses 121 and a plurality of annular grooves 131 can also be provided at intervals on the first end face 110 , and a plurality of annular grooves 131 and a plurality of annular bosses can be arranged at intervals on the second end face 210 . 121, that is, the positions of the annular bosses 121 on the first end face 110 and the annular grooves 131 on the second end face 210 correspond one-to-one, and the annular grooves 131 on the first end face The positions of the annular bosses 121 are in one-to-one correspondence.

In one embodiment, a plurality of annular bosses 121 are provided on both the first end face 110 and the second end face 210 , an annular groove 131 is formed between the two adjacent annular bosses 121 on the first end face 110 , and the second An annular groove 131 is formed between two adjacent annular bosses 121 on the end surface 210 . The annular boss 121 and the annular groove 131 on the first end face 110 may occupy only a part of the first end face 110, or the entire first end face 110; the annular boss 121 and the annular groove 131 on the second end face 210 may Only a part of the second end surface 210 is occupied, or the entire second end surface 210 may be occupied.

Referring to FIGS. 4 and 5 , a plurality of annular bosses 121 are arranged on the first end face 110 at intervals, and an annular groove 131 is formed between two adjacent annular bosses 121 . The annular bosses 121 on the first end face 110 and The annular groove 131 forms a continuous zigzag structure; a plurality of annular bosses 121 are arranged at intervals on the second end face 210 , and an annular groove 131 is formed between two adjacent annular bosses 121 . The boss 121 and the annular groove 131 form a continuous zigzag structure, and the zigzag structure on the first end surface 110 and the zigzag structure on the second end surface 210 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 131 on the first end surface 110 is arc-shaped, a wavy sawtooth structure is formed on the first end surface 110 , and a wavy sawtooth structure is formed on the second end surface 210 . A wavy sawtooth structure is formed on 210 .

In one embodiment, referring to FIG. 4 , the zigzag structures on the first end face 110 extend to the inner and outer peripheries of the first end face 110 , and the zigzag structures on the second end face 210 extend to the inner periphery of the second end face 210 . and the outer periphery, in this way, by arranging mutually matched zigzag structures on the opposite first end face 110 and the second end face 210, after the gasket 300 is squeezed and elastically deformed, a continuous wave-shaped concave-convex structure is formed. The parts of the gasket 300 in contact with the end faces on both sides are elastically deformed everywhere, so that the sealing area is increased, and there is a small distance between the two adjacent annular bosses 121, which can effectively improve the sealing performance. In one embodiment, the bottom surface of each annular boss 121 is an arc surface, and the side surfaces on both sides of the bottom surface are inclined surfaces, so that the sealing gasket 300 is not easily damaged when the annular boss 121 presses the sealing gasket 300, and the sealing gasket 300 and the first The contact area between the one end surface 110 and the second end surface 210 is relatively large.

In one embodiment, the cross section of the annular boss 121 is triangular or trapezoidal, that is, parallel to the axis direction of the first joint 100 , and the cross section of the annular boss 121 is triangular or trapezoidal. A plurality of annular bosses 121 with trapezoidal cross-sections can be evenly spaced on the first end face 110, and a trapezoidal annular groove 131 is formed between two adjacent annular bosses 121; the second end face 210 is evenly spaced. A plurality of annular grooves 131 with trapezoidal cross-sections are arranged at intervals, and annular bosses 121 with a trapezoidal cross-section are formed between two adjacent annular grooves 131. Continuous serrations are formed on the first end face 110 and the second end face 210. The position of the annular boss 121 on the first end face 110 corresponds to the position of the annular groove 131 on the second end face 210. The annular groove 131 on the first end face 110 and the annular boss 121 on the second end face 210 corresponding to the location.

In one embodiment, the cross section of the annular groove 131 parallel to the axis direction of the first joint 100 is arc-shaped. In this way, since the annular groove 131 has no edges and corners, the first joint 100 , the second joint 200 and the gasket 300 are in the shape of an arc. During assembly, the sealing gasket 300 will not be damaged after being squeezed and deformed by the annular boss 121 , and the integrity of the sealing gasket 300 can be maintained while increasing the sealing area. The shape of the cross-section of the annular groove 131 may be a circular arc or other regular arcs, so as to ensure the structural stability of the sealing gasket 300 . Specifically, a plurality of annular bosses 121 with arc-shaped cross-sections may be arranged on the first end face 110 at intervals, and a plurality of annular grooves 131 with arc-shaped cross-sections may be arranged on the second end face 210 at intervals. The plurality of annular bosses 121 may be arranged at even intervals, and at the same time, the plurality of annular grooves 131 on the second end surface 210 are arranged at even intervals.

In one embodiment, referring to FIG. 6 , the groove wall of the annular groove 131 includes a first bottom surface 132 and a first side surface 133 , and the first side surface 133 is connected to opposite sides of the first bottom surface 132 , wherein the first bottom surface 132 is provided with In order to be flat, the first side surface 133 is set as an arc surface, and the first side surfaces 133 on both sides may be provided on opposite sides of the first bottom surface 132 in a mirror-symmetrical manner. That is to say, the bottom wall of the annular groove 131 is a plane, and the side wall is an arc surface, and each surface of the corresponding annular boss 121 is matched with the groove wall of the annular groove 131, so that the width of the first bottom surface 132 can be The design is larger. Compared with the full arc structure in the cross section of the annular groove 131 , the gasket 300 of this embodiment can generate a larger amount of deformation in the annular groove 131 after being squeezed by the annular boss 121 . , so that the deformed gasket 300 has more contact area with the first joint 100 and the second joint 200 , thereby improving the sealing performance.

In one embodiment, referring to FIGS. 4 and 6 , the first bottom surface 132 of the annular groove 131 is arranged to be perpendicular to the radial direction of the first joint 100 , that is, the first bottom surface 132 is parallel to the axial direction of the first joint 100 , The surface of the annular boss 121 that is parallel to the first bottom surface 132 is also parallel to the axial direction of the first joint 100 . In this way, after the gasket 300 is pressed by the annular boss 121 , the deformation in the annular groove 131 is relatively stable. , the stress of the gasket 300 in the annular groove 131 is relatively dispersed, which can effectively improve the service life of the gasket 300 .

In one embodiment, referring to FIGS. 4 and 6 , the joint of the first bottom surface 132 of the annular groove 131 and the first side surface 133 is arranged in a smooth transition, so that when the gasket 300 is squeezed and deformed by the annular boss 121, The joint is not easily scratched, which ensures the integrity of the sealing gasket 300 . The first end surface 110 is provided with an annular groove 131 , and the connection between the first side 133 of the annular groove 131 and the first end surface 110 is a smooth transition, and the sealing gasket 300 is not easy to be squeezed and deformed by the annular boss 121 at this connection. is scratched, the integrity of the gasket 300 is guaranteed.

The height D1 of the annular groove 131 parallel to the axial direction of the first joint 100 is set to be smaller than the width D2 of the annular groove 131 perpendicular to the axial direction of the first joint 100, that is, the depth of the annular groove 131 is smaller than its width, so that the sealing The gasket 300 is not easily damaged when it is squeezed and deformed by the annular boss 121 , the deformation process of the sealing gasket 300 is relatively smooth, and is not easily damaged by extrusion, thus ensuring the reliability and stability of the sealing.

In one embodiment, referring to FIGS. 1 and 4 , the first joint 100 is provided with an inner chamfer 102 at the entrance of the accommodating groove 101 , and the second joint 200 is provided with an outer chamfer 201 on the outer periphery of the small diameter end 220 , that is, The outer edge of the second end surface 210 has an outer chamfer 201 , which facilitates the operation of inserting the second connector 200 into the accommodating groove 101 of the first connector 100 .

The embodiments of the present application further provide a compressor, including the pipeline sealing structure described in the above embodiments. In the compressor proposed in this embodiment, the above-mentioned pipeline sealing structure is provided, that is, matching bosses 120 and grooves 130 are provided between the opposite end faces of the first joint 100 and the second joint 200, and the first joint 100 A sealing gasket 300 is arranged between the second joint 200 and the second joint 200, so that the gasket 300 is pressed by the boss 120 and elastically deformed in the groove 130 after assembly, so as to realize the sealing of the first joint 100 and the second joint 200. This sealing structure can avoid the problem of the gasket 300 yielding under pressure, thereby avoiding seal failure, and the sealing pressure is also greatly increased, the corresponding pipeline can be suitable for operation in a high-pressure environment, and the reliability of the compressor is greatly improved. At the same time, the arrangement of the groove 130 enables the sealing gasket 300 to increase the sealing area after being squeezed and deformed, thereby improving the sealing performance and reliability of the compressor.

In addition, in the embodiment of the present application, the compressor also includes a pump body assembly, a motor and a crankshaft (not shown in the drawings), etc., wherein the pump body assembly and the motor are installed at both ends of the crankshaft, and the central axis of the crankshaft is the same as The central axes of the casing 10 are coincident, the motor is connected with the pump body assembly through the crankshaft, and the motor can drive the pump body assembly to operate through the crankshaft.

Embodiments of the present application further provide an air conditioner, including the compressor described in the foregoing embodiments. In the air conditioner provided in this embodiment, the above compressor is provided to ensure the sealing performance of the compressor. Specifically, the gasket 300 is squeezed by the boss 120 after being assembled and elastically deforms in the groove 130 to achieve the first For the sealing between the joint 100 and the second joint 200, 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 groove 130 makes the gasket 300 After the extrusion deformation, there is more contact area with the first joint 100 and the second joint 200, which improves the sealing performance of the compressor and improves the reliability of the air conditioner.

The vehicle provided by the embodiment of the present application includes the air conditioner of the above embodiment. The vehicle according to this embodiment is provided with the above-mentioned air-conditioning apparatus. Since the air-conditioning apparatus adopts the above-mentioned compressor, the sealing performance and reliability of the compressor are ensured. Matching bosses 120 and grooves 130 are arranged between the end faces of the two joints. After the first joint 100, the second joint 200 and the gasket 300 are assembled, the gasket 300 is squeezed by the boss 120 and elastically deforms in the groove 130. To achieve sealing, the use of this sealing structure can effectively avoid the problem of yielding of the gasket 300 under pressure, thereby avoiding seal failure and greatly increasing the sealing pressure. At the same time, the setting of the groove 130 makes the gasket 300 deform with There is more contact area between the first joint 100 and the second joint 200, 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 cab (not shown in the drawings) for people to ride in 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, and the air outlet of the air outlet assembly is connected to the required 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 (15)

1. The utility model provides a pipeline sealing structure, connects including the first joint and the second that are connected to and sealed the pad, the first joint be used for with first pipeline intercommunication, the second connect be used for with second pipeline intercommunication, the first joint has first terminal surface, the second joint has and locates the second terminal surface of first terminal surface one side, sealed pad clamp is located first terminal surface with between the second terminal surface, its characterized in that: the first end face and the second end face are provided with a boss and a groove which are matched with each other, and the sealing gasket is extruded by the boss and deforms in the groove.

2. The line sealing structure of claim 1, wherein: the sealing gasket is a hollow sealing gasket, the boss is an annular boss, and the groove is an annular groove.

3. The line sealing structure of claim 2, wherein: the first joint is internally provided with a containing groove, the inner bottom surface of the containing groove is convexly provided with an annular step, the outer diameter of the annular step is smaller than the diameter of the containing groove, the end surface of the annular step forms the first end surface, the second joint comprises a large-diameter end and a small-diameter end, the large-diameter end is abutted to the end surface of the first joint, the outer diameter of the small-diameter end is matched with the containing groove, the small-diameter end is inserted into the containing groove, and the end surface of the small-diameter end forms the second end surface.

4. The line sealing structure of claim 3, wherein: the outer diameter of the sealing gasket is larger than or equal to that of the first end face.

5. The line sealing structure of claim 4, wherein: the outer diameter of the sealing gasket is matched with the diameter of the accommodating groove.

6. The line sealing structure of claim 2, wherein: the annular bosses and the annular grooves are all provided with a plurality of annular grooves, and the annular bosses are arranged at intervals.

7. The line sealing structure of claim 6, wherein: the first end face and the second end are provided with a plurality of annular bosses, the adjacent two annular bosses on the first end face form annular grooves, the adjacent two annular bosses on the second end face form annular grooves, and the annular bosses on the first end face and the annular grooves form continuous sawtooth structures.

8. The line sealing structure of claim 7, wherein: the sawtooth structure extends to the inner periphery and the outer periphery of the first end face.

9. The line sealing structure of claim 2, wherein: the section of the annular boss parallel to the axial direction of the first joint is triangular or trapezoidal.

10. The line sealing structure of claim 2, wherein: the section of the annular groove parallel to the axial direction of the first joint is arc-shaped.

11. The line sealing structure of claim 2, wherein: the groove wall of the annular groove comprises a first bottom surface and first side surfaces connected to two opposite sides of the first bottom surface, the first bottom surface is a plane, and the first side surfaces are cambered surfaces.

12. The line sealing structure of claim 11, wherein: the height of the annular groove parallel to the axial direction of the first joint is smaller than the width of the annular groove perpendicular to the axial direction of the first joint.

13. A compressor, characterized by: comprising a pipeline sealing structure according to any of claims 1-12.

14. An air conditioning apparatus characterized by: comprising the compressor of claim 13.

15. A vehicle, characterized in that: comprising an air conditioning apparatus according to claim 14.

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