CN219119407U - High-performance biconcave valve plate - Google Patents

High-performance biconcave valve plate Download PDF

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Publication number
CN219119407U
CN219119407U CN202223118128.7U CN202223118128U CN219119407U CN 219119407 U CN219119407 U CN 219119407U CN 202223118128 U CN202223118128 U CN 202223118128U CN 219119407 U CN219119407 U CN 219119407U
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China
Prior art keywords
valve plate
valve
exhaust
port
suction
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CN202223118128.7U
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Chinese (zh)
Inventor
张勤建
姚辉军
张韦林
张光耀
徐乐乐
毛小华
邵磊
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Jiaxipera Compressor Co Ltd
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Jiaxipera Compressor Co Ltd
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Abstract

The utility model discloses a high-performance biconcave valve plate. In order to overcome the problems of low working efficiency of the valve plate and the valve plate in working and complex and complicated installation, the utility model adopts the inclined planes with an included angle with the plane of the valve plate in the exhaust port and the air suction port, thereby effectively eliminating the phenomenon that the plane of the valve port and the valve plate form a temporary oil film, reducing viscous force, improving working efficiency, and effectively improving the installation efficiency and accuracy of the valve plate by arranging the valve plate installation groove on the plane of the valve plate.

Description

High-performance biconcave valve plate
Technical Field
The utility model relates to the field of valve plates of refrigeration compressors, in particular to a biconcave valve plate.
Background
The valve plate of the refrigeration compressor is a key component for connecting and installing the suction valve and the exhaust valve of the compressor, the requirements on geometric dimensional accuracy and surface quality are very high, the requirements on fixing and assembling of the exhaust valve plate are also relatively high, the efficiency of mass production is affected to a certain extent, and production operators are required to be as simple and convenient as possible in the process of installing and fixing the exhaust valve plate, so that the production efficiency is improved.
The valve plate of the existing refrigeration compressor and the mounting surface of the suction valve plate are in the whole plane, but only part of the valve plate near the suction valve port has the actual suction effect, and the situation of wasting materials exists. The valve port plane of the existing valve plate is parallel to the valve plate mounting surface, and because the compressor works in the oil mist working environment, a temporary oil film is formed between the valve port plane and the valve plate, and large viscous force exists, so that the valve plate is not easy to open, and the air suction and exhaust efficiency is affected.
For example, a double-concave valve plate for a refrigeration compressor, which is disclosed in chinese patent literature and has a clamping groove for positioning a discharge valve plate, is disclosed in CN202176487U, and includes a suction hole and a discharge hole, where the discharge surface of the valve plate is provided with the discharge valve plate, a groove is pressed out, the thickness and shape of the groove are the same as those of the discharge valve plate, the discharge hole is located at the top end of the groove, and two sides of the bottom end of the groove are respectively protruded inwards to form a positioning column. The utility model has the advantages that: the structure is quite convenient to assemble the exhaust valve plate, the production efficiency is greatly improved, a limiter of the exhaust valve plate is omitted, and the production cost is reduced. According to the utility model, the efficiency of mounting the valve plate by the valve plate is improved by arranging the grooves for mounting the exhaust valve plate, but the working efficiency of the valve plate and the valve plate in operation cannot be effectively improved.
Disclosure of Invention
The utility model mainly solves the problems of low working efficiency of a compressor and complicated valve plate installation caused by overhigh viscous force between an exhaust valve plate, an intake valve plate and the valve plate in the prior art, and provides a double-concave valve plate with high performance.
The technical problems of the utility model are mainly solved by the following technical proposal:
the utility model comprises a valve plate air suction surface and a valve plate air discharge surface, wherein the valve plate air suction surface is provided with an air suction valve port for reducing viscous force between a valve plate and an air suction valve plate, and the valve plate air discharge surface is provided with an air discharge valve port for reducing viscous force between the valve plate and an air discharge valve plate. The working efficiency of the compressor is improved through the suction valve port capable of reducing the viscous force between the valve plate and the suction valve plate and the exhaust valve port capable of reducing the viscous force between the valve plate and the exhaust valve plate.
Preferably, the air suction valve port comprises an air suction valve port plane, and an included angle is formed between the air suction valve port plane and the air suction surface plane of the valve plate. The included angle between the plane of the air suction valve port and the plane of the air suction surface of the valve plate ensures that an oil film is not easy to generate between the air suction surface of the valve plate and the air suction valve plate in an oil mist working environment, thereby reducing viscous force between the valve plate and the air discharge valve plate.
Preferably, the exhaust valve port comprises an exhaust valve port plane, and an included angle is formed between the exhaust valve port plane and the valve plate exhaust surface plane. The included angle between the plane of the exhaust valve port and the plane of the exhaust surface of the valve plate ensures that an oil film is not easy to generate between the exhaust surface of the valve plate and the exhaust valve plate in an oil mist working environment, thereby reducing the viscous force between the valve plate and the exhaust valve plate.
Preferably, the valve plate air suction surface and the valve plate air discharge surface are both provided with valve plate mounting grooves, and the valve plate air suction surface and the valve plate air discharge surface are both provided with valve plate limiting grooves. The valve block mounting groove is arranged, so that the valve block is more convenient to mount, and the mounting precision is higher. The setting of valve block spacing groove has increased the precision when the installation on the one hand, on the other hand makes the compressor in the course of the work, and the valve block can accurate shutoff gas vent and induction port when closed.
Preferably, the exhaust valve port is provided with a plurality of steps, and the steps of the outer ring are higher than those of the inner ring. The stepped design outer ring at the exhaust valve port is larger than the diameter of the inner ring, so that gas is flushed out of the exhaust port, the gas flow rate is reduced, the instability caused by too concentrated and rapid gas flow of the exhaust port is reduced, and the stability of the exhaust valve port is improved.
Preferably, the suction valve port is provided with a circle of smooth inclined surface along the valve port. The design of the smooth inclined plane of the air suction valve port ensures the stability of the original design while increasing the diameter of the air suction port, and effectively increases the air suction efficiency of the air suction port.
Preferably, the valve plate air suction surface further comprises an air suction valve plate, the air suction valve plate is connected with a valve plate mounting groove of the valve plate air suction surface, an opening is formed in the position, corresponding to the back surface of the exhaust valve port, of the air suction valve plate, and the valve plate mounting groove of the air suction surface is designed to effectively increase the efficiency and accuracy of valve plate mounting.
Preferably, the valve plate exhaust surface further comprises an exhaust valve plate, the exhaust valve plate is connected with a valve plate mounting groove of the valve plate exhaust surface, and the design of the mounting groove of the exhaust valve plate effectively increases the efficiency and accuracy of valve plate mounting.
Preferably, the included angle is 1.5 ° to 2 °. The size of the included angle is selected, so that the normal operation of the valve plate is ensured, and the possibility of generating an oil film between the air suction surface of the valve plate and the air suction valve plate can be eliminated at maximum efficiency.
The beneficial effects of the utility model are as follows:
1. through the design of the included angle between the valve plate plane and the air suction port plane and the included angle between the valve plate plane and the air exhaust port plane, the possibility of forming an oil film between the valve plate plane and the valve plate is effectively eliminated, so that viscous force is reduced, the opening and closing efficiency of the valve plate is improved, and the refrigerating performance of the compressor is improved.
2. The valve block mounting groove and the valve block limiting groove are arranged, so that the mounting position of the valve block is limited, the mounting efficiency of the valve block is improved, and the stability of the valve block during operation is improved.
Drawings
Fig. 1 is a view showing the structure of a suction surface of a valve plate and a discharge surface of the valve plate according to the present utility model.
Fig. 2 is a side view of a connection structure between a valve plate exhaust surface and an exhaust valve plate according to the present utility model.
Fig. 3 is a side view of a connection structure of a suction valve plate of a suction surface of a valve plate according to the present utility model.
Fig. 4 is a plan view comparing the plane of a valve plate with the plane of an exhaust port of the present utility model.
In the figure, the exhaust valve port is 1, the air suction valve port is 2, the valve plate exhaust surface is 3, the valve plate air suction surface is 4, the air suction valve plate mounting groove is 5, the air suction valve plate mounting groove is 6, the air suction valve plate limiting groove is 7, the air suction valve plate limiting groove is 8, the air suction valve plate limiting groove is 9, the air suction valve plate is 10, the air suction valve plate is 11, the air exhaust port plane is 12, and the mounting groove plane is 12.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Examples:
the dual concave valve plate of this embodiment, as shown in fig. 1, includes an exhaust valve port 1, an intake valve port 2, a valve plate exhaust surface 3, a valve plate intake surface 4, an exhaust valve plate mounting groove 5, an intake valve plate mounting groove 6, an exhaust valve plate limiting groove 7, and an intake valve plate limiting groove 8.
The double-concave valve plate is divided into a valve plate exhaust surface and a valve plate air suction surface, wherein an air inlet of an air suction valve port is arranged at the lower position of the center of the valve plate air suction surface, and an air inlet of an air exhaust valve port is arranged at the upper position of the center of the valve plate air suction surface. The air inlet of the air suction valve port is an arc-shaped opening, a circle of smooth inclined surfaces are arranged at the opening of the arc-shaped opening, the air inlet of the air discharge valve port is a circular opening, and a circle of smooth inclined surfaces are arranged at the opening of the circular opening. The upper part of the air inlet of the air outlet valve port of the air suction surface of the valve plate is provided with a saddle-shaped groove which is adapted to the mounting part of the valve plate, and the periphery of the air inlet of the air outlet valve port and the air inlet of the air suction valve port is provided with a groove with a shape which is adapted to the valve plate as an air suction valve plate limiting groove.
The center of the valve plate exhaust surface is provided with an exhaust port of the exhaust valve port, the exhaust port of the exhaust valve port is provided with three rings of steps, the diameter of each step is gradually increased along with the height of each step, and the diameter of each step is smaller as the diameter of each step is closer to the center. The left side of the exhaust port of the exhaust valve port is provided with a groove which is matched with the mounting part of the valve plate and is used as a limiting groove of the exhaust valve plate, and the arc-shaped air outlet of the air suction valve port is arranged below the exhaust port of the exhaust valve port.
As shown in fig. 2, the valve comprises an exhaust valve port 1, a valve plate exhaust surface 3 and an exhaust valve plate 9. In this embodiment, the exhaust port is a smooth slope, which is only a different solution from the claims. Two grooves are arranged on two sides of the exhaust valve plate and serve as diversion trenches, and the distance between the outermost edges of the grooves is larger than the diameter of the exhaust valve port.
As shown in fig. 3, the valve comprises an air suction valve port 2, a valve plate air suction surface 4 and an air suction valve plate 10. The air suction valve port is deducted into a circle of smooth inclined plane, a valve plate mounting groove is arranged above the air suction valve port, and a groove is arranged below the air suction valve port and used as a diversion trench.
As shown in fig. 4, the valve plate includes a valve plate exhaust surface 3, an exhaust port plane 11, and a mounting groove plane 12. The plane of the mounting groove is parallel to the exhaust surface of the valve plate, and the included angle between the exhaust surface of the valve plate and the plane of the exhaust port is 2 degrees. Therefore, when the exhaust valve plate is pressed on the exhaust surface of the valve plate, the exhaust valve plate and the exhaust surface of the valve plate form an included angle of 2 degrees. And the plane of the exhaust port is higher than the other side far away from the valve plate mounting groove on the side near the valve plate mounting groove. The exhaust valve plate has certain elasticity, so that an oil film is not easy to generate between the exhaust valve plate and the exhaust surface of the valve plate in the actual implementation process.
The design of the suction surface of the valve plate and the plane of the suction opening of the valve plate is the same as the design of the included angle in fig. 4, and will not be repeated here.
The implementation process of the embodiment comprises the following steps:
when in inspiration, the following steps are adopted: because the air pressure of the air suction surface of the valve plate is smaller, the air suction valve plate of the air suction surface of the valve plate is opened, the exhaust valve port of the air discharge surface of the valve plate is pressed on the valve plate, the exhaust port is blocked, the air suction port is opened, and air enters the air suction surface of the valve plate from the air discharge surface of the valve plate, so that the air suction effect is achieved.
When exhausting, the following steps are carried out: because the air pressure of the valve plate exhaust face is smaller, the exhaust valve plate of the valve plate exhaust face is opened, the air suction valve port of the valve plate air suction face is pressed on the valve plate, the air suction port is blocked, the air outlet is opened, and air enters the valve plate exhaust face side from the valve plate air suction face side, so that the air exhaust effect is achieved.
It should be understood that the examples are only for illustrating the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (9)

1. The utility model provides a high performance's biconcave valve plate, includes valve plate suction face and valve plate exhaust face, its characterized in that, the valve plate suction face is equipped with the valve port of inhaling that reduces the viscous force between valve plate and the valve plate of inhaling, the valve plate exhaust face is equipped with the valve port of exhausting that reduces the viscous force between valve plate and the valve plate of exhausting.
2. The high performance biconcave valve plate according to claim 1, wherein said suction valve port comprises a suction valve port plane, said suction valve port plane being disposed at an angle to the plane of the suction surface of the valve plate.
3. The high performance biconcave valve plate according to claim 1, wherein said exhaust valve port comprises an exhaust valve port plane, said exhaust valve port plane being disposed at an angle to the plane of the exhaust face of the valve plate.
4. A high performance biconcave valve according to claim 2 or 3, wherein the valve plate suction surface and the valve plate discharge surface are provided with valve plate mounting grooves, and the valve plate suction surface and the valve plate discharge surface are provided with valve plate limiting grooves.
5. The high performance double concave valve plate according to claim 1, wherein said exhaust valve port is provided with a plurality of steps, the steps of the outer ring being higher than the steps of the inner ring.
6. A high performance double concave valve plate according to claim 1, wherein said suction valve port is provided with a smooth chamfer along the valve port.
7. The high performance biconcave valve plate according to claim 4, wherein said valve plate suction surface further comprises a suction valve plate, said suction valve plate being connected to a valve plate mounting groove of the valve plate suction surface, and the suction valve plate having an opening corresponding to the back surface of the exhaust valve port.
8. The high performance biconcave valve plate as claimed in claim 4, wherein said valve plate exhaust surface further comprises an exhaust valve plate, said exhaust valve plate being connected to a valve plate mounting groove of the valve plate exhaust surface.
9. A high performance biconcave valve plate according to claim 2 or 3, wherein said included angle is 1.5 ° to 2 °.
CN202223118128.7U 2022-11-23 2022-11-23 High-performance biconcave valve plate Active CN219119407U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223118128.7U CN219119407U (en) 2022-11-23 2022-11-23 High-performance biconcave valve plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223118128.7U CN219119407U (en) 2022-11-23 2022-11-23 High-performance biconcave valve plate

Publications (1)

Publication Number Publication Date
CN219119407U true CN219119407U (en) 2023-06-02

Family

ID=86534949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223118128.7U Active CN219119407U (en) 2022-11-23 2022-11-23 High-performance biconcave valve plate

Country Status (1)

Country Link
CN (1) CN219119407U (en)

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