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CN-224228820-U - Exhaust valve for compressor

CN224228820UCN 224228820 UCN224228820 UCN 224228820UCN-224228820-U

Abstract

The utility model discloses an exhaust valve for a compressor, which belongs to the technical field of compressors and comprises a valve body, wherein the top end of the valve body is provided with a valve cover, the middle of the valve body is provided with an exhaust channel, the top end of the valve cover is provided with a plurality of exhaust openings, an air bag column and a supporting spring are fixedly arranged in the middle of the inner wall of the top end of the valve cover, and a movable disc is fixedly arranged at the tail ends of the air bag column and the supporting spring. According to the utility model, the air valve plate slides along the plurality of guide pieces along with the movable disc, the air valve plate slides along the plurality of prisms along with the guide sleeve, so that the air valve plate is far away from an exhaust channel in the reciprocating exhaust process of the compressor exhaust valve, the air valve plate is vertically moved down in the resetting process of the air valve plate due to magnetic repulsion between the air bag column, the supporting spring and the top end of the guide sleeve as well as the bottom end of the limit plate, and the prisms of each row are in sliding sleeve connection with the guide sleeve, so that the air valve plate cannot deviate in the resetting process, and the exhaust channel is accurately sealed when the air valve plate is reset.

Inventors

  • HU ZHENDONG
  • KANG CHENG
  • Ge Dubiao

Assignees

  • 上海格兰克林（集团）有限公司

Dates

Publication Date
20260512
Application Date
20250625

Claims (7)

  1. 1. The exhaust valve for the compressor comprises a valve body (1), wherein a valve cover (9) is arranged at the top end of the valve body (1), an exhaust passage (2) is arranged in the middle of the top end of the valve body (1), a plurality of exhaust openings (11) are formed in the top end of the valve cover (9), an air bag column (12) and a supporting spring (13) are fixedly arranged in the middle of the inner wall of the top end of the valve cover (9), a movable disc (15) is fixedly arranged at the tail end of the air bag column (12) and the supporting spring (13), a plurality of guiding pieces (14) with equal angles are fixedly arranged on the inner wall of the top end of the valve cover (9), the movable disc (15) is in sliding sleeve connection with the plurality of guiding pieces (14), a connecting cylinder (16) is fixedly arranged in the middle of the bottom end of the movable disc (15), a plurality of guiding sleeves (18) with equal angles are fixedly arranged at the top end of the circumference outer wall of the valve sheet (17), a cylindrical protrusion (19) is fixedly arranged in the middle of the bottom end of the valve sheet (17), a rubber sealing ring (20) is fixedly arranged at the outer side of the bottom end of the air valve sheet (17), a plurality of the prism (1) is provided with a plurality of annular grooves (4) and the top end (4) is fixedly connected with a plurality of annular grooves (4), the prisms (4) of each column are in sliding sleeve connection with the guide sleeve (18), and the annular groove (3) is matched with the rubber sealing ring (20).
  2. 2. The exhaust valve for the compressor according to claim 1, wherein a plurality of equiangular threaded insertion holes (6) are formed in the outer side of the outer wall of the top end of the valve body (1), a plurality of equiangular connecting channels (10) are formed in the outer side of the outer wall of the top end of the valve cover (9), and each row of threaded insertion holes (6) and the connecting channels (10) are connected through bolts.
  3. 3. An exhaust valve for a compressor according to claim 1, wherein the airbag column (12) coincides with the center of the supporting spring (13) and the plurality of guides (14), and the airbag column (12), the supporting spring (13) and the plurality of guides (14) are sequentially sleeved from inside to outside.
  4. 4. An exhaust valve for a compressor according to claim 1, characterized in that the diameter of the exhaust passage (2) is smaller than the diameter of the valve plate (17), and the exhaust passage (2) is matched and sleeved with the cylindrical protrusion (19).
  5. 5. An exhaust valve for a compressor according to claim 4, characterized in that the annular groove (3) is located outside the tip of the exhaust passage (2), and the plurality of prisms (4) are located outside the annular groove (3).
  6. 6. The exhaust valve for the compressor according to claim 1, wherein a liquid inlet pipe (7) is arranged at the bottom end of one side of the circumference of the valve body (1), a liquid discharge pipe (8) is arranged at the top end of one end of the circumference of the valve body (1), a spiral channel is formed in the circumference of the valve body (1), and the spiral channel is communicated with the liquid inlet pipe (7) and the liquid discharge pipe (8).
  7. 7. An exhaust valve for compressors according to claim 1, characterized in that the bottom end of each guide member (14) is provided with a spherical protrusion, and the top end of the guide sleeve (18) magnetically repels the bottom end of the limit plate (5).

Description

Exhaust valve for compressor Technical Field The utility model relates to the technical field of compressors, in particular to an exhaust valve for a compressor. Background The compressor is a driven fluid machine that lifts low pressure gas to high pressure gas and is the heart of the refrigeration system. The refrigerating cycle is powered by sucking low-temperature low-pressure refrigerant gas from the air suction pipe, compressing the refrigerant gas, and discharging high-temperature high-pressure refrigerant gas to the air discharge pipe. The exhaust valve is one of the key devices on the piston compressor, and the design quality of the exhaust valve has important influence on the efficiency, vibration noise, reliability and the like of the compressor. According to the technical problem to be solved by the patent publication No. CN222436558U, the prior exhaust valve of the compressor and a compressor air pipe are connected and assembled by adopting a plurality of bolts, the operation steps of the connection mode are tedious and time-consuming, the assembly and disassembly are more troublesome, the traditional exhaust valve is of a most integrated structure, the internal valve plate, the spring and the lift limiter are not easy to disassemble and replace, the whole exhaust valve is required to be replaced when in failure, the use cost is higher, the waste of resources is easily caused, the valve plate, the first spring, the lift limiter, the clamping ring, the clamping groove, the connecting rod, the sliding plate, the connecting plate and the second spring are mutually matched, the valve body and the connecting pipe can be quickly disassembled, the installation efficiency of the exhaust valve is improved, the subsequent disassembly and replacement of the exhaust valve body are facilitated, the valve plate, the first spring and the lift limiter are quickly disassembled, the whole exhaust valve is required to be avoided when in failure, the resource is saved, the use cost is reduced, and the defect that the air valve is easy to offset after long-term use is required to be solved, and the air tightness phenomenon of the compressor is not easy to occur is still existed. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides an exhaust valve for a compressor. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides an exhaust valve for compressor, includes the valve body, the valve body top is provided with the valve gap, is provided with the exhaust passage in the middle of the valve body, and the valve gap top has offered a plurality of exhaust openings, fixed mounting has gasbag post and supporting spring in the middle of the valve gap top inner wall, and gasbag post and supporting spring end fixed mounting have movable tray, valve gap top inner wall fixed mounting has a plurality of guide pieces of equiangle, and movable tray and a plurality of guide piece slip cup joint, fixed mounting has the connecting cylinder in the middle of the movable tray bottom, and connecting cylinder bottom fixed mounting has the air valve piece, air valve piece circumference outer wall top is fixed and is provided with a plurality of guide sleeves of equiangle, is provided with the cylindricality arch in the middle of the air valve piece bottom, and air valve piece bottom outside is fixed and is provided with the rubber sealing ring, the valve body top is provided with the ring channel, valve body top fixed mounting has a plurality of prisms of equiangle, and prism top fixedly connected with spacing piece, each one row the prism is cup jointed with the guide sleeve slip, and ring channel and rubber sealing ring phase. Preferably, a plurality of equal-angle threaded insertion holes are formed in the outer side of the outer wall of the top end of the valve body, a plurality of equal-angle connecting channels are formed in the outer side of the outer wall of the top end of the valve cover, and the threaded insertion holes and the connecting channels of each row are connected through bolts. Preferably, the air bag column coincides with the circle centers of the supporting spring and the plurality of guide pieces, and the air bag column, the supporting spring and the plurality of guide pieces are sleeved in sequence from inside to outside. Preferably, the diameter of the exhaust channel is smaller than that of the air valve sheet, and the exhaust channel is matched and sleeved with the columnar boss. Preferably, the annular groove is located outside the top end of the exhaust passage, and the plurality of prisms are located outside the annular groove. Preferably, the bottom of one side of the circumference of the valve body is provided with a liquid inlet pipe, the top of one end of the circumference of the valve body is provided with a liquid outlet pipe, a spiral channel is formed in the circumference of the