CN114542424A

CN114542424A - Pipeline sealing structure, compressor, air conditioning equipment and vehicle

Info

Publication number: CN114542424A
Application number: CN202011339389.4A
Authority: CN
Inventors: 黎法运; 杨开成
Original assignee: Guangdong Welling Auto Parts Co Ltd; Anhui Welling Auto Parts Co Ltd
Current assignee: Guangdong Welling Auto Parts Co Ltd; Anhui Welling Auto Parts Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2022-05-27

Abstract

The application provides a pipeline seal structure, compressor, air conditioning equipment and vehicle, pipeline seal structure is including the first joint and the second joint that are connected to and sealed the pad, and the first joint has first terminal surface, and the second joint has the second terminal surface of locating first terminal surface one side, and sealed pad clamp is located between first terminal surface and the second terminal surface, is provided with the boss and the recess of mutual adaptation on first terminal surface and the second terminal surface. According to the pipeline sealing structure provided by the application, the matched boss and the matched groove are arranged between the first joint and the second joint, so that the sealing gasket is extruded by the boss and elastically deforms in the groove after being assembled, sealing between the first joint and the second joint is further realized, the problem that the sealing gasket is pressed and yielded can be avoided, sealing failure is avoided, and sealing pressure is greatly increased; meanwhile, due to the arrangement of the grooves, the contact area between the sealing gasket and the end faces of the two sides is increased after the sealing gasket is extruded and deformed, and the sealing performance is improved.

Description

Pipeline sealing structure, compressor, air conditioning equipment and vehicle

Technical Field

The application belongs to the technical field of pipeline sealing, and more specifically relates to a pipeline sealing structure, a compressor, air conditioning equipment and a vehicle.

Background

At present, with the development of new energy automobiles, the requirements of consumers on the stability of vehicle-mounted air conditioning equipment are further improved, and the stability of the vehicle-mounted air conditioning equipment and the sealing performance of a compressor of the vehicle-mounted air conditioning equipment are in an inseparable relationship. The air suction port or the air exhaust port of the compressor shell is provided with a pipeline which is connected and communicated with external equipment through the pipeline, the pipeline is generally communicated with the pipeline through two joints, and a sealing gasket is usually adopted between the two joints for sealing. In order to improve the sealing performance, a common method is to integrally form an elastic rib on the sealing gasket, and the elastic rib is elastically deformed after being squeezed, so that sealing can be achieved by means of the elasticity of the rib.

Disclosure of Invention

An object of the embodiment of the application is to provide a pipeline sealing structure, a compressor, air conditioning equipment and a vehicle, so that the technical problem that when the pressure on the sealing end face of a joint is large, the convex rib on a sealing gasket between two joints is easy to yield, and then leakage is easy to cause in the prior art is solved.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a pipeline sealing structure, including the first joint and the second joint that are connected to and sealed the pad, 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, wherein, first terminal surface with be provided with the boss and the recess of mutual adaptation on the second terminal surface, the sealing pad quilt the boss extrusion is in warp in the recess.

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, a receiving groove is formed in the first joint, an annular step is convexly arranged on the inner bottom surface of the receiving groove, the outer diameter of the annular step is smaller than the diameter of the receiving 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 abuts against the end surface of the first joint, the outer diameter of the small-diameter end is matched with the receiving groove, the small-diameter end is inserted into the receiving groove, and the end surface of the small-diameter end forms the second end surface.

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

In one embodiment, the outer diameter of the sealing gasket is matched with the diameter of the accommodating groove.

In one embodiment, the annular bosses and the annular grooves are arranged in plurality, and the annular bosses are arranged at intervals.

In one embodiment, a plurality of the annular bosses are arranged on each of the first end face and the second end, the annular groove is formed between two adjacent annular bosses on the first end face, the annular groove is formed between two adjacent annular bosses on the second end face, and the annular bosses on the first end face and the annular groove form a continuous zigzag structure.

In one embodiment, the serration extends to inner and outer peripheries of the first end surface.

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

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

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

The beneficial effect of the pipeline seal structure that this application provided lies in: compared with the prior art, the pipeline sealing structure has the advantages that the matched boss and the matched groove are arranged between the first joint and the second joint, the sealing gaskets are arranged on the first joint and the second joint, the sealing gaskets are extruded by the boss and elastically deform in the groove after being assembled, and accordingly sealing between the first joint and the second joint is achieved, the problem that the sealing gaskets yield under pressure can be avoided by adopting the sealing structure, sealing failure is avoided, and sealing pressure is greatly increased; meanwhile, due to the arrangement of the grooves, the contact area between the sealing gasket and the end faces of the two sides is increased after the sealing gasket is extruded and deformed, and the sealing performance is improved.

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

The application provides a compressor's beneficial effect lies in: compared with the prior art, the compressor that this application provided, through setting up above-mentioned pipeline seal structure, through setting up the boss and the recess of matching between first joint and second joint promptly, make sealed the pad extrude and at recess internal elastic deformation by the boss after the assembly, and then realize the sealed between first joint and the second joint, adopt this seal structure can avoid the problem of sealed pad pressurized yield, thereby avoid sealed inefficacy, sealing pressure promotes by a wide margin, and simultaneously, the setting of recess, make sealed pad increase the seal area after extrusion deformation, the sealing performance and the reliability of compressor have been promoted.

It is a further object of the present application to provide an air conditioning apparatus including the above compressor.

The application provides an air conditioning equipment's beneficial effect lies in: compared with the prior art, the air conditioning equipment that this application provided, through setting up above-mentioned compressor, the sealing performance of compressor has been guaranteed, specifically, sealed pad is extruded and takes place elastic deformation in the recess by the boss after the assembly, and then realize the sealed between first joint and the second joint, adopt this seal structure can avoid the problem of sealed pad pressurized yielding, thereby avoid sealed inefficacy, sealing pressure promotes by a wide margin, and simultaneously, the setting of recess, make sealed pad increase at extrusion deformation back seal area, the sealing performance of compressor has been promoted, the reliability of air conditioning equipment has been improved.

It is a further object of the present application to provide a vehicle including the above air conditioning apparatus.

The application provides a vehicle's beneficial effect lies in: compared with the prior art, the vehicle that this application provided, through setting up above-mentioned air conditioning equipment, the sealing performance of compressor has been guaranteed, specifically, sealed pad is by the boss extrusion and take place elastic deformation in the recess after the assembly, and then realize the first joint and the second connects between sealed, adopt this seal structure can effectively avoid the problem that sealed pad pressurized yields, thereby avoid sealed inefficacy, sealing pressure promotes by a wide margin, and simultaneously, the setting of recess, can increase the sealing area, promote the sealing performance of compressor, and then improve the reliability of vehicle.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a cut-away view of a first fitting and a second fitting of a line sealing structure provided by an embodiment of the present application when not connected together;

FIG. 2 is an enlarged schematic view of section A of the seal arrangement of FIG. 1 with a second adapter and a gasket installed;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of the line seal arrangement of FIG. 3;

FIG. 5 is an enlarged view of the first end face side of the line sealing structure of FIG. 3;

FIG. 6 is a schematic view of a portion of a first end face side of a sealing structure for a pipeline according to another embodiment of the present application;

fig. 7 is a partial cutaway view of a line sealing structure provided in accordance with yet another embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

10-a housing; 11-a chamber; 12-an exhaust port; 100-a first joint; 200-a second linker; 300-a gasket; 101-a containing groove; 102-inner chamfer angle; 103-mounting holes; 110-a first end face; 120-boss; 121-an annular boss; 130-a groove; 131-an annular groove; 132-a first bottom surface; 133-a first side; 140-expanding section; 150-an annular step; 201-outer chamfer; 210-a second end face; 220-small diameter end; 230-a large diameter end; 240-a vent; 310-coating.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be 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 be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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

Fig. 1 shows a sectional structure of a compressor at an exhaust port 12, a housing 10 of the compressor has a cavity 11, the side wall of the housing 10 is provided with the exhaust port 12 communicated with the cavity 11, the housing 10 can be made of aluminum alloy, and the housing has the characteristics of light weight, good processability and low cost, so that the production cost can be reduced; the minimum thickness of the shell 10 can be set within the range of 3 mm-8 mm, the shell 10 can be guaranteed to have enough strength, the shell 10 is prevented from deforming under the action of pressure, and the thickness of the shell 10 can be determined according to the pressure of a refrigerant. An exhaust port 12 is opened on a side wall of the housing 10, a first joint 100 is disposed at the exhaust port 12, and the first joint 100 and the housing 10 are integrally formed, that is, the side wall of the housing 10 extends radially outward to form a hollow first joint 100.

The pipe sealing structure provided in the embodiment of the present application will now be described. Referring to fig. 2 to 4, the pipeline sealing structure includes a first joint 100, a second joint 200, and a gasket 300, where the gasket 300 is interposed between the first joint 100 and the second joint 200, the first joint 100 is used to communicate with a first pipeline, the second joint 200 is used to communicate with a second pipeline, and the first pipeline and the second pipeline are communicated by the connection of the first joint 100 and the second joint 200. The first joint 100 and the second joint 200 are detachably connected and can be fixed through a connecting piece, specifically, the first joint 100 and the second joint 200 can be connected through bolts, the corresponding positions of the first joint 100 and the second joint 200 are respectively provided with mounting holes 103, and the bolts penetrate through the mounting holes 103 of the first joint 100 and the second joint 200 to realize assembly; the first joint 100 and the second joint 200 can be assembled together in other manners, such as a threaded fit for fastening. The first joint 100 has a first end surface 110, the second joint 200 has a second end surface 210, the second end surface 210 is disposed on one side of the first end surface 110, the inner diameter of the first end surface 110 is equal to the inner diameter of the second end surface 210, the sealing gasket 300 is a hollow structure, the inner diameter of the sealing gasket 300 is approximately equal to the inner diameter of the first end surface 110, the sealing gasket 300 is clamped between the first end surface 110 and the second end surface 210, and the first end surface 110 and the second end surface 210 are provided with a boss 120 and a groove 130 which are matched with each other. After the first joint 100, the second joint 200 and the gasket 300 are installed, the boss 120 presses a 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 the requirement of practical application, and the bosses 120 and the grooves 130 can be formed by machining or integrally formed during injection molding. Only the boss 120 may be provided on the first end face 110, and only the mating groove 130 may be provided on the second end face 210; a plurality of bosses 120 may be disposed at intervals on the first end surface 110, a plurality of grooves 130 may be disposed on the second end surface 210, and the bosses 120 and the grooves 130 are disposed in a one-to-one correspondence; the first end surface 110 may also be simultaneously provided with a boss 120 and a groove 130, the corresponding position of the second end surface 210 is provided with the groove 130 and the boss 120, the boss 120 on the first end surface 110 is matched with the groove 130 on the second end surface 210, and the groove 130 on the first end surface 110 is matched with the boss 120 on the second end surface 210. It is understood that the above-mentioned pipeline sealing structure may also be applied to the air suction port of the compressor housing 10, or to the air discharge port or the air suction port of another pressure vessel, or directly applied to the connection assembly structure of two pipelines, specifically, the first pipeline may be the air suction port or the air discharge port of the compressor housing 10 or another pressure vessel, the second pipeline is an air conditioning system pipeline, and the first pipeline and the second pipeline may also be both air conditioning system pipelines.

That is to say, after putting into sealed the pad 300, in the in-process that second joint 200 and first joint 100 are connected and are assembled, sealed pad 300 corresponding position can be extruded to corresponding recess 130 by boss 120, take place elastic deformation after sealed pad 300 extrudes, form the arch in corresponding position after the deformation, the cell wall of boss 120 and recess 130 is hugged closely respectively to protruding relative two sides, so not only increased sealing area, promote sealing performance, and sealed pad 300 is compressed tightly the protruding relative two sides that form after the deformation, the arch on sealed pad 300 can not take place the yield phenomenon under high pressure environment yet, can guarantee sealed effect like this, this seal structure can be suitable for the sealed demand under the high-pressure environment. Compared with a sealing structure in which the boss 120 is directly arranged on the sealing gasket 300, in the embodiment, the boss 120 and the groove 130 which are matched with each other are arranged on the opposite end faces, so that the corresponding position of the sealing gasket 300 is extruded and deformed, not only can the yield phenomenon be avoided, but also stable sealing can be formed between the first joint 100 and the second joint 200, the sealing gasket 300 can be used for a long time, and the service life of the sealing gasket 300 is prolonged; meanwhile, after the gasket 300 is deformed in the groove 130, the contact area between the gasket 300 and the first and

second end surfaces

110 and 210 on both sides is increased, thus improving the sealing performance.

According to the pipeline sealing structure provided by the application, the matched boss 120 and the matched groove 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 sealing gasket 300 is extruded by the boss 120 and elastically deforms in the groove 130 after being assembled, and sealing is further realized, and by adopting the sealing structure, the problem that the sealing gasket 300 is pressed and yielded can be avoided, sealing failure is avoided, and sealing pressure is greatly increased; meanwhile, due to the arrangement of the groove 130, the contact area between the sealing gasket 300 and the end surfaces of the two sides is increased after the sealing gasket is extruded and deformed, and the sealing performance is improved.

In one embodiment, referring to fig. 3 and 4, the gasket 300 is a hollow gasket, i.e., an annular gasket, the protrusion 120 is an annular protrusion 121, and the groove 130 is an annular groove 131. The annular projection 121 is a circumferentially closed structure, and the gasket 300 is elastically deformed in the annular groove 131 after being pressed by the annular projection 121, so that a circumferentially closed seal structure is formed between the first joint 100 and the second joint 200.

In one embodiment, referring to fig. 3 and 4, the outer diameter of the gasket 300 is larger than the outer diameter of the first end surface 110, and after the gasket 300 is installed, the outer periphery of the gasket 300 extends out relative to the first end surface 110. Referring to fig. 1 to 4, an exhaust port 12 is formed in a side wall of a housing 10, an expanded diameter section 140 is provided at a front end of a first joint 100, an inner diameter of the expanded diameter section 140 is larger than an inner diameter of the first joint 100, the expanded diameter section 140 encloses a containing groove 101 communicated with the exhaust port 12, an annular step 150 is convexly provided on an inner bottom surface of the containing groove 101, and an end surface of the annular step 150 forms a first end surface 110; the second joint 200 has a small diameter end 220 and a large diameter end 230, the outer diameter of the large diameter end 230 is larger than that of the small diameter end 220, that is, the large diameter end 230 has a flange extending out relative to the small diameter end 220, the small diameter end 220 is inserted into the accommodating groove 101, the end surface of the small diameter end 220 forms a second end surface 210, the flange of the large diameter end 230 abuts against the end surface of the diameter expanding section 140 of the first joint 100, and the side surface of the large diameter end 230 is provided with a vent hole 240 which is communicated with a pipeline of an air conditioning system through the vent hole 240; the outer diameter of the sealing gasket 300 can be set to match with the diameter of the accommodating groove 101, so that the sealing gasket 300 can be positioned in the accommodating groove 101, the sealing gasket 300 is pushed into the accommodating groove 101 until abutting against the first end surface 110, and the position of the sealing gasket 300 does not need to be adjusted left and right. That is, the outer diameter of the gasket 300 is set to be larger than the outer diameter of the first end surface 110 and adapted to the diameter of the receiving groove 101, so that the gasket 300 plays a role in positioning when being installed, after the first joint 100 and the second joint 200 are installed, the gasket 300 can perform a good sealing structure between the first joint 100 and the second joint 200, and the sealing area of the gasket 300 between the first joint 100 and the second joint 200 is large, which can improve the sealing performance.

During installation, push sealing gasket 300 into storage tank 101, make sealing gasket 300 offset with first terminal surface 110, then with the minor diameter end 220 alignment of second joint 200 insert in storage tank 101 of first joint 100, until minor diameter end 220 offsets with sealing gasket 300, adopt the bolt to connect second joint 200 and first joint 100 fixed finally, when screwing up the bolt, the minor diameter end 220 of second joint 200 extrudees sealing gasket 300, annular boss 121 extrudees sealing gasket 300 simultaneously, sealing gasket 300 takes place to warp in the annular recess 131 that corresponds, thereby realize sealedly. It is understood that the outer diameter of the gasket 300 may be set to be equal to the outer diameter of the first end surface 110, that is, the first end surface 110 covers the gasket 300 after the gasket 300 is mounted, and the outer peripheral edge of the gasket 300 does not protrude with respect to the first end surface 110. The upper surface and the lower surface of the sealing gasket 300 can be respectively provided with the coating 310, which can play a certain role in buffering and prolong the service life of the sealing gasket 300.

It is understood that the pipe sealing structure is not limited to be used between the air conditioning system pipe and the suction and exhaust ports of the compressor, and can also be used in the air conditioning system pipe. As shown in fig. 7, the pipe 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, opposite ends of the first joint 100 and the second joint 200 are respectively used for communicating with a pipe of an air conditioning system, an outer diameter of the first joint 100 is equal to an outer diameter of the second joint 200, and an inner diameter of the first joint 100 is equal to an inner diameter of the second joint 200. After the first joint 100 and the second joint 200 are respectively installed on corresponding pipelines, the sealing gasket 300 is placed into the first joint 100, then the second joint 200 is aligned with the first joint 100, the second joint 200 is inserted into the first joint 100, bolts are adopted to penetrate through the installation holes 103 of the two joints, and the bolts are tightened to complete installation.

In an embodiment, referring to fig. 3 and 4, a plurality of annular bosses 121 and a plurality of annular grooves 131 are provided, the plurality of annular bosses 121 are arranged at intervals, and the plurality of annular grooves 131 are arranged at intervals. Specifically, a plurality of annular bosses 121 may be disposed at intervals on the first end surface 110, each annular boss 121 is concentrically disposed, correspondingly, a plurality of annular grooves 131 are disposed at intervals on the second end surface 210, each annular groove 131 is concentrically disposed, and the positions of each annular boss 121 and each annular groove 131 are disposed in a one-to-one correspondence manner. It can be understood that a plurality of annular bosses 121 and a plurality of annular grooves 131 may also be arranged on the first end surface 110 at intervals, and a plurality of annular grooves 131 and a plurality of annular bosses 121 are arranged on the second end surface 210 at intervals, that is, the positions of the annular bosses 121 on the first end surface 110 and the annular grooves 131 on the second end surface 210 correspond to each other, and the positions of the annular grooves 131 on the first end surface 110 and the annular bosses 121 on the second end surface 210 correspond to each other.

In an embodiment, a plurality of annular bosses 121 are disposed on each of the first end surface 110 and the second end surface 210, an annular groove 131 is formed between two adjacent annular bosses 121 on the first end surface 110, and an annular groove 131 is formed between two adjacent annular bosses 121 on the second 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 may occupy the first end face 110 entirely; the annular lands 121 and the annular grooves 131 on the second end face 210 may occupy only a portion of the second end face 210 or may occupy all of the second end face 210.

Referring to fig. 4 and 5, a plurality of annular bosses 121 are arranged on the first end surface 110 at intervals, an annular groove 131 is formed between two adjacent annular bosses 121, and the annular bosses 121 and the annular groove 131 on the first end surface 110 form a continuous zigzag structure; the second end face 210 is provided with a plurality of annular bosses 121 at intervals, an annular groove 131 is formed between two adjacent annular bosses 121, the annular bosses 121 and the annular groove 131 on the second end face 210 form a continuous sawtooth structure, and the sawtooth structure on the first end face 110 and the sawtooth structure on the second end face 210 are complementary. The serration herein is not limited to the serration in the strict geometric sense, and may be a combination of various irregular shapes like the serration. When the cross section of each annular groove 131 on the first end surface 110 is arc-shaped, a wavy saw-tooth structure is formed on the first end surface 110, a wavy saw-tooth structure is formed on the second end surface 210, and a wavy saw-tooth structure is formed on the second end surface 210.

In an embodiment, referring to fig. 4, the serration on the first end surface 110 extends to the inner circumference and the outer circumference of the first end surface 110, and the serration on the second end surface 210 extends to the inner circumference and the outer circumference of the second end surface 210, so that the serration provided on the first end surface 110 and the second end surface 210 opposite to each other forms a continuous wave-shaped concave-convex structure after the sealing gasket 300 is extruded and elastically deformed, and since the sealing gasket 300 and the end surface contact portions on both sides are elastically deformed, the sealing area is increased, and a small distance is provided between two adjacent annular bosses 121, which can effectively improve the sealing performance. In one embodiment, the bottom surface of each annular protrusion 121 is an arc surface, and the side surfaces on both sides of the bottom surface are inclined surfaces, so that the gasket 300 is not easily damaged when the annular protrusion 121 presses the gasket 300, and the contact area between the gasket 300 and the first and second end surfaces 110 and 210 is large.

In one embodiment, the cross section of the annular boss 121 is triangular or trapezoidal, i.e. parallel to the axial 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 sections can be uniformly arranged on the first end surface 110 at intervals, and an annular groove 131 with trapezoidal sections is formed between two adjacent annular bosses 121; a plurality of annular grooves 131 with trapezoidal cross sections are uniformly arranged on the second end face 210 at intervals, an annular boss 121 with trapezoidal cross sections is formed between two adjacent annular grooves 131, the first end face 110 and the second end face 210 both form a continuous saw-toothed structure, the annular boss 121 on the first end face 110 corresponds to the annular groove 131 on the second end face 210, and the annular groove 131 on the first end face 110 corresponds to the annular boss 121 on the second end face 210.

In an embodiment, the section of the annular groove 131 parallel to the axial direction of the first joint 100 is arc-shaped, so that, because there is no corner in the annular groove 131, the first joint 100, the second joint 200 and the gasket 300 are assembled, the gasket 300 is not damaged after being extruded and deformed by the annular boss 121, and the gasket 300 can maintain integrity while increasing the sealing area. The shape of this section of the annular groove 131 may be in particular a circular arc or other regular arc, ensuring structural stability of the gasket 300. Specifically, a plurality of annular bosses 121 with an arc-shaped cross section are arranged on the first end face 110 at intervals, a plurality of annular grooves 131 with an arc-shaped cross section are arranged on the second end face 210 at intervals, the plurality of annular bosses 121 on the first end face 110 can be uniformly arranged at intervals, and meanwhile, the plurality of annular grooves 131 on the second end face 210 are uniformly arranged at intervals.

In an 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, the first side surface 133 is connected to two opposite sides of the first bottom surface 132, wherein the first bottom surface 132 is configured as a plane, the first side surface 133 is configured as an arc surface, and the first side surfaces 133 on two opposite sides may be arranged on two opposite sides of the first bottom surface 132 in a mirror symmetry manner. That is to say, the diapire in the annular groove 131 is the plane, and the lateral wall is the cambered surface, and each surface of the annular boss 121 that corresponds matches with the cell wall of annular groove 131, and like this, the width of first bottom surface 132 can be designed bigger, and the cross-section that compares in annular groove 131 adopts full arc's structure, and the sealed pad 300 of this embodiment receives annular boss 121 extrusion back, can produce bigger deformation volume in annular groove 131, and then make sealed pad 300 warp after and first joint 100 and the second joint 200 between have more area of contact, and then promote sealing performance.

In an embodiment, referring to fig. 4 and 6, the first bottom surface 132 of the annular groove 131 is 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, and a surface of the annular projection 121 that is parallel to the first bottom surface 132 is also parallel to the axial direction of the first joint 100, so that after the gasket 300 is pressed by the annular projection 121, the deformation in the annular groove 131 is stable, the stress applied to the gasket 300 in the annular groove 131 is dispersed, and the service life of the gasket 300 can be effectively prolonged.

In an embodiment, referring to fig. 4 and 6, the joint between the first bottom surface 132 and the first side surface 133 of the annular groove 131 is smoothly transited, so that the joint is not easily scratched when the gasket 300 is extruded and deformed by the annular protrusion 121, thereby ensuring the integrity of the gasket 300. The annular groove 131 is formed in the first end face 110, the joint between the first side face 133 of the annular groove 131 and the first end face 110 is in smooth transition, and the joint is not easily scratched when the sealing gasket 300 is extruded and deformed by the annular boss 121, so that the integrity of the sealing gasket 300 is ensured.

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 the width thereof, so that the sealing gasket 300 is not easily damaged when being extruded and deformed by the annular boss 121, the deformation process of the sealing gasket 300 is smooth, and the sealing gasket is not easily damaged by extrusion, thus, the reliability and the stability of the sealing are ensured.

In an embodiment, referring to fig. 1 and 4, the first connector 100 is provided with an inner chamfer 102 at the entrance of the receiving groove 101, and the second connector 200 is provided with an outer chamfer 201 at the outer periphery of the small-diameter end 220, i.e. the outer periphery of the second end face 210 is provided with the outer chamfer 201, so as to facilitate the operation of inserting the second connector 200 into the receiving groove 101 of the first connector 100.

The embodiment of the application also provides a compressor, which comprises the pipeline sealing structure described in the embodiment. The compressor that this embodiment provided, through setting up above-mentioned pipeline seal structure, namely through set up the boss 120 and the recess 130 that match between the relative terminal surface of first joint 100 and second joint 200, and set up sealed the pad 300 between first joint 100 and second joint 200, make sealed the pad 300 after the assembly by the extrusion of boss 120 and take place elastic deformation in recess 130, and then realize the sealed of first joint 100 and second joint 200, adopt this seal structure can avoid sealed the problem that the pad 300 yields by the pressure, thereby avoid sealing failure, sealing pressure also promotes by a wide margin, the pipeline that corresponds can be suitable for the operation under the high-pressure environment, the reliability of compressor promotes by a wide margin. Meanwhile, the arrangement of the groove 130 enables the sealing gasket 300 to increase the sealing area after extrusion deformation, thereby improving the sealing performance and reliability of the compressor.

In addition, in this application embodiment, this compressor still includes pump body subassembly, motor and bent axle (not drawn in the attached drawing), etc., wherein, pump body subassembly and motor are installed in the both ends of bent axle, and the central axis of bent axle coincides with the central axis of casing 10, and the motor passes through the bent axle to be connected with pump body subassembly, and the motor can drive pump body subassembly operation through the bent axle.

The embodiment of the application also provides air conditioning equipment, which comprises the compressor described in the embodiment. The air conditioning equipment provided by the embodiment has the advantages that the sealing performance of the compressor is ensured by arranging the compressor, specifically, the sealing gasket 300 is extruded by the boss 120 and elastically deforms in the groove 130 after being assembled, so that the sealing between the first joint 100 and the second joint 200 is realized, and the sealing gasket 300 can be prevented from yielding under pressure by adopting the sealing structure, so that the sealing failure is avoided, and the sealing pressure is greatly increased; meanwhile, the groove 130 is formed, so that the sealing gasket 300 has more contact area with the first joint 100 and the second joint 200 after being extruded and deformed, thereby improving the sealing performance of the compressor and the reliability of the air conditioning equipment.

The vehicle provided by the embodiment of the application comprises the air conditioning equipment of the embodiment. According to the vehicle of this embodiment, be provided with above-mentioned air conditioning equipment, because this air conditioning equipment has adopted above-mentioned compressor, thereby the sealing performance and the reliability of compressor have been guaranteed, specifically, through set up the boss 120 and the recess 130 that match between the relative terminal surface of first joint 100 and second joint 200, after first joint 100, second joint 200 and sealed pad 300 assemble, sealed pad 300 is extrudeed by boss 120, and take place elastic deformation in recess 130 and realize sealed, adopt this seal structure can effectively avoid sealed pad 300 to receive the problem that the pressure produces the yield phenomenon, thereby avoid sealed inefficacy, sealing pressure promotes by a wide margin, simultaneously, the setting of recess 130 makes sealed pad 300 have more area of contact with between first joint 100 and the second joint 200 after extrusion deformation, promote the sealing performance of compressor, and then improve the reliability of vehicle.

The vehicle that this application provided, no matter the model size, as long as its structure is suitable installs above-mentioned air conditioning equipment can. In particular, the vehicle may comprise a body and a head (not shown in the figures), the body being provided with a cab (not shown in the figures) in which a person sits, the air conditioning device being at least partly arranged in the head of the vehicle. It should be noted that, in order to smoothly complete the whole cooling or heating cycle, in general, an air outlet assembly (not shown in the drawings) is further provided in the air conditioning equipment to communicate with the condenser, and an air outlet of the air outlet assembly communicates with a space to be temperature-regulated, for example, a cab of a vehicle, so that air after heat exchange with the refrigerant can be discharged to the space, and a temperature regulation effect of the air conditioning equipment on an indoor space of the vehicle, such as the cab, is achieved. Since the vehicle adopts all the technical solutions of all the embodiments, all the beneficial effects brought by the technical solutions of the embodiments are also achieved, and are not described in detail herein.

In addition, in the present application, the specific type of the vehicle is not limited, for example, the vehicle may be a conventional fuel vehicle, and may also be a new energy vehicle, which includes, but is not limited to, a pure electric vehicle, an extended range electric vehicle, a hybrid electric vehicle, a fuel cell electric vehicle, a hydrogen engine vehicle, and the like, and the embodiment is not particularly limited thereto.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

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.