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CN-224214329-U - Valve assembly of automobile air compressor

CN224214329UCN 224214329 UCN224214329 UCN 224214329UCN-224214329-U

Abstract

The utility model relates to the field of automobile parts, in particular to a valve assembly of an automobile air compressor, which comprises a valve body, wherein the valve body consists of a lower valve and an upper valve, the middle part of the lower valve is a ventilation cavity, the lower valve and the upper valve are connected by virtue of a sealing plate I and keep sealed, the valve assembly further comprises a ventilation plate, a sealing ring, a sealing plate II, a piston spring, a piston, a connecting column, a sealing top and a valve rod spring, the ventilation plate is arranged on the lower side of the inner part of the lower valve, the middle part of the ventilation plate is fixedly connected with the sealing ring, the sealing plate II is fixedly connected with the bottom of the sealing ring, the piston is connected with the middle part of the sealing ring in a connecting way, the piston is fixedly connected with the piston spring, the connecting column is in sliding connection with the sealing ring, the upper part of the connecting column is fixedly connected with the sealing top, the valve rod spring is fixedly connected with the middle part of the lower surface of the sealing top, and the valve rod spring is in contact with the piston.

Inventors

  • ZHOU XIAOBING

Assignees

  • 三门淳亿机械科技有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (9)

  1. 1. The valve assembly of the automobile air compressor comprises a valve body, wherein the valve body consists of a lower valve (101) and an upper valve (201), the middle part of the lower valve (101) is a ventilation cavity (103), the lower valve (101) and the upper valve (201) are connected by means of a sealing plate I (202) and keep sealed, the valve assembly is characterized by further comprising a ventilation plate (4), a sealing ring (5), a sealing plate II (6), a piston (7), a spring (61), a connecting column (8), a sealing top (9) and a valve rod spring (11), the ventilation plate (4) is arranged on the lower side of the inner part of the lower valve (101), a sealing ring (5) is fixedly connected to the middle part of the ventilation plate (4), the sealing plate II (6) is fixedly connected to the bottom of the sealing ring (5), the piston (7) is fixedly connected to the middle part of the sealing ring (7), the spring (61) is fixedly connected to the piston (7), the connecting column (8) is fixedly connected to the sealing ring (5) in a sliding mode, the sealing top (9) is fixedly connected to the upper part of the connecting column (8), the sealing top (9) is fixedly connected to the lower surface of the sealing top (11), and the valve rod (11) is fixedly connected to the spring (11).
  2. 2. The valve assembly of the automobile air compressor is characterized by further comprising a fixing ring (3), wherein the fixing ring (3) is fixedly connected to the lower side of the inner part of the lower valve (101), and the fixing ring (3) is fixedly connected with the ventilation plate (4).
  3. 3. The valve assembly of the automobile air compressor is characterized by further comprising a sealing ring I (10), wherein the sealing ring I (10) is fixedly connected to the upper surface of the sealing top (9), and the upper part of the sealing ring I (10) is provided with a chamfer.
  4. 4. The valve assembly of the automobile air compressor of claim 3, wherein the lower surface of the sealing plate I (202) is provided with a groove matched with the sealing ring I (10) for sealing.
  5. 5. The valve assembly of the automobile air compressor, which is disclosed in claim 4, is characterized by further comprising an end cover (203) and an air inlet (204), wherein the end cover (203) is fixedly connected to the upper surface of the upper valve (201), the air inlet (204) is formed in the side portion of the upper valve (201), and the air inlet (204) is communicated with the ventilation cavity (103).
  6. 6. The valve assembly of the automobile air compressor, as set forth in claim 5, is characterized by further comprising a plug rod (12), wherein the plug rod (12) is arranged in the middle of the upper surface of the sealing top (9), and the plug rod (12) is in sliding connection with the upper valve (201).
  7. 7. A valve assembly of an air compressor for an automobile as claimed in claim 6, wherein the upper part of the plug rod (12) is a T-shaped ring, and the lower part is a U-shaped ring.
  8. 8. The valve assembly of the automobile air compressor of claim 7, further comprising a sealing ring II (13), wherein the sealing ring II (13) is fixedly connected to the upper portion of the plug rod (12).
  9. 9. The valve assembly of an air compressor for an automobile as set forth in claim 8, wherein the end cap (203) is provided with a circular cavity, and the plug rod (12) is slidable in the cavity of the end cap (203).

Description

Valve assembly of automobile air compressor Technical Field The utility model relates to the field of automobile parts, in particular to a valve assembly of an automobile air compressor. Background The automobile air compressor is one of very important parts of the whole automobile, the air inlet valve of the traditional air compressor is difficult to ensure the tightness along with the increase of the service time, the service life is weakened by adopting a mode of matching a single ejector rod with a sealing ring, the aim of long-time use is difficult to achieve, and the replacement and the maintenance are difficult. In order to solve the above problems, a valve assembly of an air compressor of an automobile is proposed. Disclosure of utility model In order to overcome the defect that the tightness of an air inlet valve of a traditional air compressor is difficult to ensure along with the increase of the service time, the utility model provides a valve assembly of an automobile air compressor. The technical scheme includes that the valve assembly of the automobile air compressor comprises a valve body, wherein the valve body comprises a lower valve and an upper valve, the middle part of the lower valve is a ventilation cavity, the lower valve and the upper valve are connected by a sealing plate I and keep sealed, the valve assembly further comprises a ventilation plate, a sealing ring, a sealing plate II, a piston spring, a piston, a connecting column, a sealing top and a valve rod spring, the ventilation plate is arranged on the lower side of the inner part of the lower valve, the sealing ring is fixedly connected in the middle part of the ventilation plate, the sealing plate II is fixedly connected with the bottom of the sealing ring, the piston spring is arranged in the inner part of the sealing plate II, the middle part of the sealing ring is connected with the piston in a Huadong manner, the piston is fixedly connected with the piston spring, the connecting column is fixedly connected on the piston and is in sliding connection with the sealing ring, the sealing top is fixedly connected in the upper part of the connecting column, the middle part of the lower surface of the sealing top is fixedly connected with the valve rod spring, and the valve rod spring is in contact with the piston. As a further preferable scheme, the valve further comprises a fixed ring, wherein the fixed ring is fixedly connected to the lower side of the inner part of the lower valve, and the fixed ring is fixedly connected with the ventilation plate. As a further preferable scheme, the sealing device further comprises a sealing ring I, wherein the sealing ring I is fixedly connected to the upper surface of the sealing top, and the upper part of the sealing ring I is provided with a chamfer. As a further preferable scheme, a groove matched with the sealing ring I is formed on the lower surface of the sealing plate I for sealing. As a further preferable scheme, the air inlet valve further comprises an end cover and an air inlet, wherein the end cover is fixedly connected to the upper surface of the upper valve, the air inlet is formed in the side portion of the upper valve, and the air inlet is communicated with the ventilation cavity. As a further preferable scheme, the valve further comprises a plug rod, the plug rod is arranged in the middle of the upper surface of the sealing top, and the plug rod is in sliding connection with the upper valve. As a further preferred embodiment, the upper part of the plug rod is a T-shaped ring, and the lower part is a U-shaped ring. As a further preferable scheme, the plug rod further comprises a sealing ring II, and the upper part of the plug rod is fixedly connected with the sealing ring II. As a further preferred scheme, the end cover is provided with a circular cavity, and the plug rod can slide in the cavity of the end cover. The sealing device has the advantages that the sealing top moves upwards to be finally attached to the sealing plate I, the sealing ring I enters the groove at the lower side of the sealing plate I, the sealing effect can be enhanced by using the sealing ring I on the basis of realizing primary sealing by the sealing top and the sealing plate I under the action of the sealing ring I, in the process, the air inlet is blocked in the process of moving upwards by adding the plug rod, so that when the blocking operation is carried out, the whole structure has three sealing points, the sealing effect can be improved, and meanwhile, the service life of the structure is prolonged better. Drawings FIG. 1 is a schematic cross-sectional view of the present utility model; FIG. 2 is a schematic perspective view of the present utility model; FIG. 3 is an exploded view of the seal plate II, piston spring and piston components of the present utility model; fig. 4 is an exploded view of the components of the plug rod, the seal ring II and the like of the utility model. The valve com