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CN-224229247-U - Pump mechanical seal static ring structure with self-lubricating groove

CN224229247UCN 224229247 UCN224229247 UCN 224229247UCN-224229247-U

Abstract

The utility model discloses a pump mechanical seal static ring structure with a self-lubricating groove, which comprises a static ring body, wherein a first annular groove is formed in the static ring body and is used for installing the dynamic ring body, a plurality of radiating grooves are formed in the first annular groove, a gland is abutted to the static ring body, a plurality of oil cavities and screw holes are formed in the gland and are communicated, a plurality of first channels and second channels are formed in the static ring body and are communicated, one end of the first channels, far away from the second channels, is communicated with the oil cavities, the second channels are communicated with the radiating grooves, a third channel is formed in the static ring body, an oil return opening is formed in the oil cavities, and a fifth channel is formed in the gland and is communicated with the fifth channel. According to the utility model, the lubricating oil is arranged in the radiation groove, so that an uninterrupted oil film is arranged between the movable ring body and the static ring body, and the lubricating uniformity is improved, thereby prolonging the service lives of the movable ring body and the static ring body.

Inventors

  • ZHANG DAITING
  • SONG WENHAN
  • ZHAO SITONG
  • Lei Mengxin
  • WANG LU
  • WANG YANGBIAO

Assignees

  • 西安航空学院

Dates

Publication Date
20260512
Application Date
20250626

Claims (7)

  1. 1. A pump mechanical seal stationary ring structure with self-lubricating groove, characterized by comprising: The oil return device comprises a stationary ring body (1), wherein a first annular groove (2) is formed in the stationary ring body (1), a plurality of radiation grooves (4) are formed in the first annular groove (2), the radiation grooves (4) are circumferentially arranged in the first annular groove (2), a gland (5) is abutted to the stationary ring body (1), a plurality of oil cavities (6) and screw holes (7) are formed in the gland (5), the oil cavities (6) are communicated with the screw holes (7), a plurality of first channels (8) and second channels (9) are formed in the stationary ring body (1), the first channels (8) are communicated with the second channels (9), one ends of the first channels (8) are far away from the second channels (9) and are communicated with the oil cavities (6), a third channel (10) is formed in the gland (5), a fifth channel (11) is formed in the third channels (10), the third channels (10) are far away from the fifth channels (4), the third channel (10) communicates with the fifth channel (11).
  2. 2. The pump mechanical seal static ring structure with the self-lubricating groove according to claim 1, wherein a second annular groove (12) is formed in the first annular groove (2), the second annular groove (12) is communicated with the radiation groove (4), and the second channel (9) is communicated with the second annular groove (12).
  3. 3. The pump mechanical seal static ring structure with the self-lubricating groove according to claim 2, wherein a third annular groove (13) is formed in the first annular groove (2), the third annular groove (13) is communicated with the radiation groove (4), the third channel (10) is communicated with the third annular groove (13), and the third annular groove (13) is located outside the second annular groove (12).
  4. 4. The mechanical seal static ring structure of the pump with the self-lubricating groove according to claim 1, wherein a filter screen (14) is fixedly connected in the oil cavity (6), a plurality of first oil outlets are formed in the oil cavity (6), a fourth channel (15) is formed in the gland (5), the first oil outlets are communicated with the fourth channel (15), and the fourth channel (15) is communicated with the first channel (8).
  5. 5. The mechanical seal stationary ring structure of a pump with a self-lubricating groove according to claim 4, wherein a plurality of fourth annular grooves (16) are formed in the gland (5), the fourth annular grooves (16) are located on the same end face of the gland (5), the fourth annular grooves (16) are communicated with the fourth channel (15), and the fourth annular grooves (16) are used for communicating the fourth channel (15) with the first channel (8).
  6. 6. The mechanical seal stationary ring structure with the self-lubricating groove of claim 1, wherein a plurality of storage cavities (17) are formed in the stationary ring body (1), the storage cavities (17) are arranged close to the third channel (10), a connecting channel (18) is communicated between the storage cavities (17) and the third channel (10), an inclined stop block (19) is fixedly connected in the third channel (10), and the inclined stop block (19) is arranged close to the connecting channel (18).
  7. 7. The pump mechanical seal static ring structure with the self-lubricating groove according to claim 1, wherein a fifth annular groove (20) is formed in the gland (5), the fifth annular groove (20) is communicated with the fifth channel (11), and the fifth annular groove (20) is used for communicating the fifth channel (11) and the third channel (10).

Description

Pump mechanical seal static ring structure with self-lubricating groove Technical Field The utility model relates to the technical field of sealing stationary rings, in particular to a pump mechanical sealing stationary ring structure with a self-lubricating groove. Background With the development of industrial equipment to high pressure, high speed and high reliability, the mechanical seal is used as a core component of pump equipment, and the performance of the mechanical seal directly influences the operation efficiency and the service life of the equipment. In the fields of petrochemical industry, energy power and the like, mechanical sealing needs to stably operate for a long time under extreme working conditions, and higher requirements are put on the lubricity of the sealing end face. In the current industry, mechanical sealing is realized mainly through close fitting of the end faces of a movable ring and a static ring. The conventional static ring end face in the prior art is generally of a plane structure, the lubricating medium is difficult to uniformly cover the whole contact surface in high-speed rotation, and the local area is easy to overheat, abrade and even thermally crack due to insufficient lubrication, so that the sealing life is shortened. Therefore, a pump mechanical seal static ring structure with a self-lubricating groove is provided to solve the above problems. Disclosure of utility model The utility model aims to provide a mechanical seal static ring structure of a pump with a self-lubricating groove, so as to solve the problems in the prior art, improve the lubricating uniformity of the seal static ring and prolong the service life. In order to achieve the purpose, the utility model provides a pump mechanical seal static ring structure with a self-lubricating groove, which comprises the following components: The static ring body, the first ring channel has been seted up on the static ring body, first ring channel is used for installing the moving ring body, a plurality of radiation groove has been seted up in the first ring channel, a plurality of the radiation groove is in be the circumference range in the first ring channel, the butt has the gland on the static ring body, a plurality of fluid chamber and screw hole have been seted up on the gland, the fluid chamber with screw hole intercommunication, a plurality of first passageways and second passageway have been seted up in the static ring body, first passageway with the second passageway intercommunication, first passageway keep away from second passageway one end with fluid chamber intercommunication, the second passageway with the radiation groove intercommunication, third passageway has been seted up in the static ring body, the third passageway is located the radiation groove is kept away from one side of second passageway, the oil return opening has been seted up to the fluid intracavity, the fifth passageway has been seted up in the gland, the oil return opening with fifth passageway intercommunication, the third passageway with fifth passageway intercommunication. Preferably, a second annular groove is formed in the first annular groove, the second annular groove is communicated with the radiation groove, and the second channel is communicated with the second annular groove. Preferably, a third annular groove is formed in the first annular groove, the third annular groove is communicated with the radiation groove, the third channel is communicated with the third annular groove, and the third annular groove is located on the outer side of the second annular groove. Preferably, the filter screen is fixedly connected in the oil cavity, a plurality of first oil outlets are formed in the oil cavity, a fourth channel is formed in the gland, the first oil outlets are communicated with the fourth channel, and the fourth channel is communicated with the first channel. Preferably, the gland is provided with a plurality of fourth annular grooves, the fourth annular grooves are located on the same end face of the gland, the fourth annular grooves are communicated with the fourth channel, and the fourth annular grooves are used for communicating the fourth channel with the first channel. Preferably, a plurality of storage cavities are formed in the stationary ring body, the storage cavities are arranged close to the third channel, a connecting channel is communicated between the storage cavities and the third channel, an inclined stop block is fixedly connected in the third channel, and the inclined stop block is arranged close to the connecting channel. Preferably, a fifth annular groove is formed in the gland, the fifth annular groove is communicated with the fifth channel, and the fifth annular groove is used for communicating the fifth channel with the third channel. The device has the following technical effects that in the device, a stationary ring body is matched with a movable ring body, a first annular groove is used for a