CN113864159A - Exhaust valve assembly, compressor and air conditioner - Google Patents

Abstract

The application provides a discharge valve subassembly, compressor and air conditioner. This discharge valve subassembly includes flange (1), baffle (2), elastic component (3) and valve body (4), is provided with disk seat (5) on flange (1), and gas vent (6) have been seted up in disk seat (5), and baffle (2) are fixed on flange (1), and baffle (2) are provided with projection (7) towards one side of gas vent (6), valve body (4) and projection (7) sliding fit, and elastic component (3) can apply the elastic force that seals gas vent (6) to valve body (4). According to the exhaust valve component, the area of an airflow circulation channel can be enlarged, the fluid resistance is reduced, the exhaust loss is reduced, and the performance of the compressor is improved.

Description

Exhaust valve assembly, compressor and air conditioner

Technical Field

The application relates to the technical field of compressors, in particular to an exhaust valve assembly, a compressor and an air conditioner.

Background

Disclosed in the related art is an end seal assembly including: end seals and exhaust valves. The end seals and has seted up the mounting hole on the piece, the gas vent has been seted up to the mounting hole bottom, discharge valve includes lift stopper, discharge valve piece and elastic component, wherein the mounting hole has the internal screw thread round hole, have on the lift stopper outer peripheral face with interior screw-thread fit's external screw thread, the lift stopper passes through threaded connection with the mounting hole, the elastic component setting is at the intracavity that holds of lift stopper, the contact at the bottom of one end and the chamber that holds of lift stopper, one end and valve piece contact, promote the discharge valve piece and close.

However, in the end seal assembly, in order to ensure the thread assembling effect between the lift limiter and the mounting hole, the matching area of the thread wall must be large enough, and the blocking area of the thread wall is large, so that the airflow circulation channel only has a side through hole, the area of the side through hole is limited, and the flow area is small, thereby causing large exhaust loss and reducing the performance of the compressor.

Disclosure of Invention

Therefore, the technical problem to be solved by the present application is to provide a discharge valve assembly, a compressor and an air conditioner, which can increase the area of an airflow flowing channel, reduce the fluid resistance, reduce the discharge loss and improve the performance of the compressor.

In order to solve the problem, the application provides a discharge valve subassembly, including flange, baffle, elastic component and valve body, be provided with the disk seat on the flange, the gas vent has been seted up to the disk seat, and the baffle is fixed on the flange, and the baffle is provided with the projection towards one side of gas vent, valve body and projection sliding fit, and the elastic component can apply the elastic force who seals the gas vent to the valve body.

Preferably, a movable space is formed between the convex column and the valve body, a circulation hole which is communicated along the sliding direction of the valve body is arranged on the convex column, and the circulation hole is communicated with the movable space.

Preferably, the number of the exhaust ports is at least two, the number of the valve bodies is the same as that of the exhaust ports, and the valve bodies and the exhaust ports are arranged in a one-to-one correspondence mode.

Preferably, the centers of the exhaust ports are located on the same circumference with the center of the flange as the center.

Preferably, two ends of the baffle are fixed on the flange on the outer periphery side of the valve seat, and the middle part of the baffle is arranged in a suspended mode.

Preferably, the valve seat includes an exhaust passage extending to both circumferential sides of the baffle plate in the circumferential direction of the flange.

Preferably, the exhaust gas channel extends over an angle in the range of [120 °, 180 ° ].

Preferably, the exhaust passage extends to an outer peripheral side of the baffle plate in the radial direction.

Preferably, the valve body is provided with a blind hole, and the convex column is arranged in the blind hole in a sliding manner and is in sealing fit with the blind hole.

Preferably, the elastic element is sleeved outside the convex column, one end of the elastic element abuts against the baffle, and the other end of the elastic element abuts against the end face of the valve body.

Preferably, the diameter of the convex column is D1, the diameter of the blind hole is D2, and the diameter of the blind hole is D2-D1 which are 0.01mm and 0.3mm respectively.

Preferably, the diameter of the exhaust port is D2, the lift of the valve body is H, and H is more than or equal to D2/4.

Preferably, the diameter of the valve body is D1, the diameter of the exhaust port is D2, and D1-D2 are more than or equal to 1 mm.

Preferably, a bushing is arranged in the blind hole, the convex column is slidably arranged in the bushing, and the elastic piece abuts against the end face of the bushing.

Preferably, the elastic piece is located in the blind hole, and one end of the elastic piece abuts on the end face of the convex column, and the other end of the elastic piece abuts on the bottom wall of the blind hole.

Preferably, the elastic piece is located in the blind hole, a step hole is formed in the convex column, one end of the elastic piece abuts against the step surface of the step hole, and the other end of the elastic piece abuts against the bottom wall of the blind hole.

Preferably, the elastic member is sleeved outside the valve body, one end of the valve body close to the exhaust port is provided with a stop flange, one end of the elastic member abuts against the baffle, and the other end of the elastic member abuts against the stop flange.

Preferably, the convex column is provided with a step hole, the valve body comprises a convex part and a stop flange, and the convex part can be arranged in the step hole in a sliding mode and is in sealing fit with the step hole.

Preferably, the elastic member is disposed in the stepped hole, and one end of the elastic member abuts on a stepped surface of the stepped hole and the other end abuts on an end surface of the boss.

Preferably, the elastic element is sleeved outside the convex column, one end of the elastic element abuts against the baffle, and the other end of the elastic element abuts against the stop flange.

According to another aspect of the present application, there is provided a compressor comprising a discharge valve assembly as described above.

According to another aspect of the present application, there is provided an air conditioner including a discharge valve assembly as described above.

The application provides an exhaust valve subassembly, including flange, baffle, elastic component and valve body, be provided with the disk seat on the flange, the gas vent has been seted up to the disk seat, and the baffle is fixed on the flange, and the baffle is provided with the projection towards one side of gas vent, valve body and projection sliding fit, and the elastic component can apply the elastic force that seals the gas vent to the valve body. This discharge valve subassembly passes through projection and the valve body cooperation on the baffle, forms the sliding fit structure, forms the direction through the motion of projection to the valve body, and the projection is located the baffle, and towards the disk seat protrusion, can with form great space between the disk seat bottom to make the week side of valve body not block, have bigger exhaust space, can increase the air current flow channel area, reduce the fluid resistance, reduce the exhaust loss, improve compressor performance.

Drawings

FIG. 1 is an exploded view of a vent valve assembly according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a vent valve assembly according to an embodiment of the present application;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of FIG. 3 at L;

FIG. 5 is a perspective view of a flange of a vent valve assembly according to an embodiment of the present application;

FIG. 6 is a schematic view of a flange of a vent valve assembly according to an embodiment of the present application;

FIG. 7 is a perspective view of a flapper of a vent valve assembly in accordance with an embodiment of the present application;

FIG. 8 is a schematic view of a flapper of a vent valve assembly in accordance with an embodiment of the present application;

FIG. 9 is a schematic sectional view taken along line A-A of FIG. 8;

FIG. 10 is a schematic illustration of the structure of a valve body of a vent valve assembly according to an embodiment of the present application;

FIG. 11 is a cross-sectional structural schematic view of a valve body of a vent valve assembly in accordance with an embodiment of the present application;

FIG. 12 is a view of the mating of the flapper and the valve body of the exhaust valve assembly of one embodiment of the present application;

FIG. 13 is a view of the mating of the flapper and the valve body of the exhaust valve assembly of one embodiment of the present application;

FIG. 14 is a view of the mating configuration of the flapper and valve body of the vent valve assembly in accordance with one embodiment of the present application;

FIG. 15 is a view of the mating configuration of the flapper and valve body of the vent valve assembly in accordance with one embodiment of the present application;

FIG. 16 is a view of the mating structure of the flapper and valve body of the exhaust valve assembly of one embodiment of the present application;

FIG. 17 is a diagram of a mating configuration of a flapper and a valve body of a vent valve assembly in accordance with an embodiment of the present application.

The reference numerals are represented as:

1. a flange; 2. a baffle plate; 3. an elastic member; 4. a valve body; 5. a valve seat; 6. an exhaust port; 7. a convex column; 8. a flow-through hole; 9. an exhaust passage; 10. blind holes; 11. a bushing; 12. a stepped bore; 13. a stop flange; 14. a raised portion.

Detailed Description

With reference to fig. 1 to 17, according to the embodiment of the present application, the exhaust valve assembly includes a flange 1, a baffle 2, an elastic member 3, and a valve body 4, the flange 1 is provided with a valve seat 5, the valve seat 5 is provided with an exhaust port 6, the baffle 2 is fixed on the flange 1, one side of the baffle 2 facing the exhaust port 6 is provided with a convex column 7, the valve body 4 is in sliding fit with the convex column 7, and the elastic member 3 can apply an elastic force for closing the exhaust port 6 to the valve body 4.

This exhaust valve subassembly passes through projection 7 and the cooperation of valve body 4 on the baffle 2, form the sliding fit structure, form the direction through projection 7 to the motion of valve body 4, and projection 7 is located baffle 2, towards disk seat 5 protrusion, can and disk seat 5 between form great space, thereby make the week side of valve body 4 not block, have bigger exhaust space, can increase the air current flow channel area, reduce the fluid resistance, reduce exhaust loss, improve compressor performance.

The discharge valve subassembly of this embodiment, through the sliding fit of projection 7 with valve body 4, can utilize projection 7 to lead to the up-and-down motion of valve body 4 for valve body 4's circumferential motion receives the restriction of projection 7, thereby can not receive the influence of air current and lead to the skew phenomenon when reciprocating motion, makes valve body 4 during operation stability higher, and the installation accuracy is higher, and sealing performance is better.

In one embodiment, the baffle 2 comprises a plane portion, the convex column 7 is arranged on the plane portion, the convex column 7 is perpendicular to the plane portion, the plane portion can be used for limiting the verticality of the convex column 7, the convex column 7 is used for limiting the verticality of the valve body 4, the verticality of the convex column 7 and the valve seat 5 is good, the valve body 4 is guaranteed not to incline when reciprocating along the axial direction, and the motion reliability of the valve body 4 is improved.

In one embodiment, the convex column 7 and the baffle 2 are integrally formed, so that the convex column 7 and the baffle 2 are integrally designed, and the convex column 7 can be installed and fixed by fixing the baffle 2. In addition, when the convex column 7 is installed and positioned, only the installation surface of the baffle 2 needs to be machined on the flange 1, the flatness of the baffle 2 is guaranteed, the convex column 7 does not need to be provided with threads, machining is simple, and process cost is lower.

In one embodiment, the valve body 4 is a cylindrical structure, which can make the valve system more reliable.

In one embodiment, a movable space is formed between the convex column 7 and the valve body 4, a through hole 8 penetrating along the sliding direction of the valve body 4 is formed in the convex column 7, and the through hole 8 is communicated with the movable space. In the embodiment, in order to ensure the guiding stability between the convex column 7 and the valve body 4, the sliding fit clearance between the convex column 7 and the valve body 4 cannot be too large, otherwise, the valve body 4 is easily inclined in the process of moving up and down, and when the sliding fit clearance between the convex column 7 and the valve body 4 is small, in the process that the valve body 4 slides relative to the convex column 7, the size of the moving space between the valve body and the convex column can be changed, so that the external gas can not be supplemented to the moving space in time, or can not be discharged from the movable space in time to influence the relative movement of the valve body 4 and the convex column 7, and the movable space is communicated with the outside by arranging the circulating hole 8, thereby, the air pressure balance between the movable space and the outside is ensured, the relative motion resistance between the valve body 4 and the convex column 7 is reduced, the energy consumption is reduced, and the motion reliability and the sensitivity of the valve body 4 are ensured.

In one embodiment, the number of the exhaust ports 6 is at least two, the number of the valve bodies 4 is the same as that of the exhaust ports 6, and the valve bodies 4 are arranged in one-to-one correspondence with the exhaust ports 6. In this embodiment, the exhaust port 6 is divided into a plurality of ports, and the number of the valve bodies 4 is also made to be a plurality, so that the mass of each valve body 4 can be reduced on the basis of ensuring the exhaust efficiency, thereby reducing the vibration and noise generated when the valve body 4 slaps against the valve seat 5.

In one embodiment, the centers of the exhaust ports 6 are located on the same circumference with the center of the flange 1 as the center of a circle, so that the consistency of the positions of the exhaust ports 6 on the flange 1 can be ensured, the consistency of the exhaust efficiency is ensured, and the exhaust performance is improved.

In one embodiment, both ends of the baffle plate 2 are fixed on the flange 1 on the outer periphery side of the valve seat 5, and the middle part of the baffle plate 2 is suspended. In the present embodiment, screw holes are opened at both ends of the baffle 2 for fixing the baffle 2 to the flange 1 by screws. In this embodiment, the flange 1 is provided with two protrusions protruding inward from the radially outer side wall of the exhaust passage 9, and the two ends of the baffle 2 are correspondingly provided on the two protrusions. Through set up the protruding arch of inside projection on exhaust passage 9's radial lateral wall, can make the intermediate portion of baffle 2 stretch out to exhaust passage 9's intermediate position to correspond the cooperation with gas vent 6 in the exhaust passage 9, simultaneously, the both ends of baffle 2 are buckled for the intermediate portion, can reduce baffle 2 and take up in the space of gas vent 6 week side, provide bigger air current flow area, improve exhaust efficiency.

In one embodiment, the valve seat 5 includes a vent passage 9, and the vent passage 9 extends to both circumferential sides of the baffle plate 2 in the circumferential direction of the flange 1. After the air flow enters the exhaust channel 9 from the exhaust port 6, the air can be exhausted from all directions of the circumference of the exhaust port 6 without exhaust obstacles, so that the fluid resistance is smaller, the exhaust pressure loss is smaller, the air flow circulation area is larger, and the performance of the compressor can be improved more effectively.

In one embodiment, the extension angle range of the exhaust passage 9 is [120 °, 180 ° ], so that the circumferential direction of the exhaust passage 9 can be ensured to have a sufficient extension angle, the blocking of the baffle plate 2 to the exhaust passage 9 can be effectively reduced, and the exhaust efficiency can be improved.

In one embodiment, the exhaust passage 9 extends to the outer peripheral side of the baffle plate 2 in the radial direction, and the exhaust path can be further increased, the exhaust resistance can be reduced, and the exhaust efficiency can be improved.

In one embodiment, the valve body 4 is provided with a blind hole 10, and the convex column 7 is slidably disposed in the blind hole 10 and is in sealing engagement with the blind hole 10. In the present embodiment, the blind hole 10 is opened on the valve body 4, so that the convex column 7 can be disposed in the blind hole 10, and the two form a good sliding fit relationship. In order to ensure the stability and reliability of the sliding fit between the blind hole and the valve body 4, when the depth of the blind hole 10 needs to be larger than the distance between the bottom of the blind hole 10 and the end part of the convex column 7 when the valve body 4 closes the exhaust port 16, the convex column 7 is located in the blind hole 10 in the whole movement process of the valve body 4, and the guide is formed on the movement of the valve body 4.

In order to guarantee the guiding effect, the depth of the blind hole 10 should be greater than 1mm and more than the distance between the bottom of the blind hole 10 and the end of the stud 7, i.e. it is necessary to guarantee that a guiding length of at least 1mm is always maintained between the stud 7 and the blind hole 10, preferably 3mm to 5 mm.

In one embodiment, the elastic member 3 is sleeved outside the convex pillar 7, one end of the elastic member 3 abuts against the baffle 2, and the other end abuts against the end face of the valve body 4. The elastic member is, for example, a spring.

In one embodiment, the diameter of the convex column 7 is D1, the diameter of the blind hole 10 is D2, and D2-D1 are larger than or equal to 0.01mm and smaller than or equal to 0.3mm, so that a good fit clearance is ensured between the convex column 7 and the blind hole 10, the sliding between the valve body 4 and the convex column 7 is smoother, meanwhile, the convex column 7 can play an effective guiding role for the valve body 4, and the valve body 4 can realize the up-and-down reciprocating motion along the axial direction of the valve rod under the action of spring force and gas force without deviation.

In one embodiment, the diameter of the exhaust port 6 is D2, the lift of the valve body 4 is H, H is larger than or equal to D2/4, and the valve body 4 can move to a distance far enough relative to the exhaust port 6, so that the valve body 4 is prevented from causing great obstruction to exhaust at the exhaust port 6, and the smoothness of the exhaust is ensured.

In one embodiment, the diameter of the valve body 4 is D1, the diameter of the exhaust port 6 is D2, and D1-D2 are larger than or equal to 1mm, so that the area of the valve body 4 is larger than that of the exhaust port 6, and the edge has enough allowance, so that the requirement of the valve body 4 on the sealing performance of the exhaust port 6 can be met. In the present embodiment, after the baffle plate 2 is fixed to the mounting surface of the flange 1 by screws, the distance L between the outer cylindrical surface of the valve body 4 and the edge of the exhaust port 6 satisfies L.gtoreq.0.5 mm.

In one embodiment, a bushing 11 is arranged in the blind hole 10, the stud 7 is slidably arranged in the bushing 11, and the elastic member 3 abuts on an end surface of the bushing 11.

In one embodiment, the elastic element 3 is located in the blind hole 10, and one end of the elastic element 3 abuts against the end surface of the stud 7, and the other end abuts against the bottom wall of the blind hole 10.

In one embodiment, the elastic element 3 is located in the blind hole 10, the convex pillar 7 is provided with a step hole 12, one end of the elastic element 3 abuts against a step surface of the step hole 12, and the other end abuts against the bottom wall of the blind hole 10.

In one embodiment, the elastic member 3 is sleeved outside the valve body 4, one end of the valve body 4 close to the exhaust port 6 is provided with a stop flange 13, one end of the elastic member 3 abuts against the baffle plate 2, and the other end abuts against the stop flange 13.

In one embodiment, the boss 7 defines a stepped bore 12, the valve body 4 includes a boss 14 and a stop flange 13, and the boss 14 is slidably disposed in the stepped bore 12 and is in sealing engagement with the stepped bore 12.

In one embodiment, the elastic member 3 is disposed in the stepped hole 12, and one end of the elastic member 3 abuts on a stepped surface of the stepped hole 12 and the other end abuts on an end surface of the boss 14.

In one embodiment, the elastic member 3 is sleeved outside the convex pillar 7, one end of the elastic member 3 abuts against the baffle 2, and the other end abuts against the stop flange 13.

Along with the operation of the compressor, when the pressure of a refrigerant in the working cavity reaches a threshold value, the refrigerant can overcome the resultant force of the back pressure of the valve body 4 and the elastic part 3, the valve body 4 is opened, and an exhaust process is started, in the process, the upper dead point of the valve body 4 in the axial direction is the lower end face of the convex column 7, and at the moment, the movement stroke H of the valve body 4 is the lift range of the valve body 4. Along with the continuous operation of the compressor, the refrigerant in the working cavity is gradually exhausted, and the valve body 4 is closed under the action of the back pressure and the elastic part 3, namely the exhaust process is completed.

According to an embodiment of the present application, the compressor comprises a discharge valve assembly, which is the discharge valve assembly described above.

According to an embodiment of the present application, an air conditioner includes a discharge valve assembly, which is the discharge valve assembly described above.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims (22)

1. The utility model provides a discharge valve subassembly, its characterized in that includes flange (1), baffle (2), elastic component (3) and valve body (4), be provided with disk seat (5) on flange (1), gas vent (6) have been seted up in disk seat (5), baffle (2) are fixed on flange (1), baffle (2) orientation one side of gas vent (6) is provided with projection (7), valve body (4) with projection (7) sliding fit, elastic component (3) can be right seal is applyed to valve body (4) the elastic force of gas vent (6).

2. The exhaust valve assembly according to claim 1, characterized in that a movable space is formed between the convex column (7) and the valve body (4), a flow hole (8) penetrating along the sliding direction of the valve body (4) is arranged on the convex column (7), and the flow hole (8) is communicated with the movable space.

3. A vent valve assembly in accordance with claim 1, wherein the number of the vent ports (6) is at least two, the number of the valve bodies (4) is the same as the number of the vent ports (6), and the valve bodies (4) are disposed in one-to-one correspondence with the vent ports (6).

4. A vent valve assembly according to claim 3, wherein the centres of the vent ports (6) are located on the same circumference centred on the centre of the flange (1).

5. The exhaust valve assembly according to claim 1, wherein both ends of the baffle plate (2) are fixed to the flange (1) on the outer circumferential side of the valve seat (5), and the middle portion of the baffle plate (2) is suspended.

6. A vent valve assembly according to claim 1, wherein the valve seat (5) comprises a vent passage (9), the vent passage (9) extending circumferentially of the flange (1) to both circumferential sides of the baffle plate (2).

7. An exhaust valve assembly according to claim 6, characterized in that the exhaust channel (9) extends over an angle in the range [120 °, 180 ° ].

8. The exhaust valve assembly according to claim 6, characterized in that the exhaust channel (9) extends radially to the outer circumferential side of the baffle plate (2).

9. An exhaust valve assembly according to any one of claims 1 to 8, wherein the valve body (4) is provided with a blind hole (10), and the convex column (7) is slidably arranged in the blind hole (10) and is in sealing fit with the blind hole (10).

10. An exhaust valve assembly according to claim 9, characterized in that the elastic member (3) is sleeved outside the boss (7), one end of the elastic member (3) abuts against the baffle plate (2), and the other end abuts against the end face of the valve body (4).

11. The exhaust valve assembly according to claim 10, characterized in that the diameter of the stud (7) is D1, and the diameter of the blind hole (10) is D2, 0.01mm ≦ D2-D1 ≦ 0.3 mm.

12. An exhaust valve assembly according to claim 9, characterized in that the diameter of the exhaust port (6) is D2 and the lift of the valve body (4) is H, H ≧ D2/4.

13. An exhaust valve assembly according to claim 9, characterized in that the diameter of the valve body (4) is D1, the diameter of the exhaust port (6) is D2, D1-D2 is 1mm or more.

14. An exhaust valve assembly according to claim 9, characterized in that a bushing (11) is provided in said blind hole (10), said stud (7) being slidably provided in said bushing (11), said elastic element (3) abutting on an end face of said bushing (11).

15. An exhaust valve assembly according to claim 9, characterized in that the elastic member (3) is located in the blind hole (10), one end of the elastic member (3) abutting on the end face of the stud (7) and the other end abutting on the bottom wall of the blind hole (10).

16. The exhaust valve assembly according to claim 9, wherein the elastic member (3) is located in the blind hole (10), a stepped hole (12) is formed in the convex pillar (7), one end of the elastic member (3) abuts against a stepped surface of the stepped hole (12), and the other end abuts against a bottom wall of the blind hole (10).

17. An exhaust valve assembly according to claim 9, characterized in that the elastic member (3) is sleeved outside the valve body (4), a stop flange (13) is arranged at one end of the valve body (4) close to the exhaust port (6), one end of the elastic member (3) abuts against the baffle plate (2), and the other end abuts against the stop flange (13).

18. An exhaust valve assembly according to any one of claims 1 to 8, wherein a stepped bore (12) is formed in the boss (7), and the valve body (4) comprises a boss (14) and a stop flange (13), the boss (14) being slidably disposed within the stepped bore (12) and being in sealing engagement with the stepped bore (12).

19. An exhaust valve assembly according to claim 18, wherein the elastic member (3) is disposed in the stepped bore (12), and one end of the elastic member (3) abuts on a stepped surface of the stepped bore (12) and the other end abuts on an end surface of the boss (14).

20. An exhaust valve assembly according to claim 18, characterized in that said elastic member (3) is sleeved outside said boss (7), one end of said elastic member (3) abuts against said baffle plate (2) and the other end abuts against said stop flange (13).

21. A compressor comprising a discharge valve assembly according to any one of claims 1 to 20.

22. An air conditioner including a discharge valve assembly as claimed in any one of claims 1 to 20.

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