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CN-224229263-U - Butterfly valve with self-lubricating function

CN224229263UCN 224229263 UCN224229263 UCN 224229263UCN-224229263-U

Abstract

The utility model relates to the technical field of valves and discloses a butterfly valve with a self-lubricating function, which comprises an outer cover, wherein two first gears are arranged in the outer cover, two second gears are arranged in the outer cover, the top of each first gear on the right side is fixedly connected with a rotating cover, the top of each second gear on the right side is fixedly connected with a rotating rod, the rotating rods are in rotational connection with the rotating cover, the second gears on the right side are in meshed connection with the first gears on the left side, and a lubricating assembly is arranged on the inner bottom wall of the outer cover and used for automatically lubricating the butterfly valve. According to the butterfly valve, the control panel at the lower side of rotation drives the rotating rod to rotate, the valve rod drives the butterfly plate to rotate, when the butterfly plate rotates to a position close to closing or needing to be opened, the control panel at the upper side of rotation drives the rotating cover to rotate, and the valve rod drives the butterfly plate to rotate, so that the problem that the butterfly valve is difficult to accurately control the opening under the condition of saving labor is solved.

Inventors

  • ZHANG ZHEHAI

Assignees

  • 浙江大松阀门有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (8)

  1. 1. The butterfly valve with the self-lubricating function comprises an outer cover (1) and is characterized in that two first gears (4) are arranged inside the outer cover (1), two second gears (5) are arranged inside the outer cover (1), the top of each first gear (4) on the right side is fixedly connected with a rotating cover (2), the top of each second gear (5) on the right side is fixedly connected with a rotating rod (3), the rotating rods (3) are rotationally connected with the rotating cover (2), the rotating cover (2) is rotationally connected with the outer cover (1), two control discs (6) are arranged at the top of the outer cover (1), the upper control discs (6) are fixedly connected with the rotating rods (3), the lower control discs (6) are fixedly connected with the rotating cover (2), the first gears (4) on the right side are in meshed connection with the second gears (5) on the left side, the second gears (5) on the right side are in meshed connection with the first gears (4) on the left side, and the inner bottom of the outer cover is in meshed connection with the first gears (4) on the left side, and the butterfly valve is used for lubricating an automatic lubricating assembly.
  2. 2. The butterfly valve with self-lubricating function according to claim 1, wherein the lubricating component comprises a storage box (8), the storage box (8) is fixedly connected with an outer cover (1), a feeding pipe (9) is slidably connected to the inner top of the storage box (8), a plug (11) is slidably connected to the top of the feeding pipe (9), an adsorption pad (15) is fixedly connected to the inner bottom wall of the storage box (8), a pipeline (12) is fixedly connected to the surface of the adsorption pad (15), a squeezing plate (10) is fixedly connected to the bottom of the feeding pipe (9), and the squeezing plate (10) is slidably connected with the storage box (8).
  3. 3. The butterfly valve with the self-lubricating function according to claim 1, wherein a valve rod (7) is fixedly connected inside the first gear (4) on the left side, and the valve rod (7) is fixedly connected with the second gear (5) on the left side.
  4. 4. The butterfly valve with the self-lubricating function according to claim 2, wherein the adsorption pad (15) is rotationally connected with the valve rod (7), and a butterfly plate (14) is fixedly connected to the bottom of the valve rod (7).
  5. 5. The butterfly valve with self-lubricating function according to claim 2, wherein the surface of the adsorption pad (15) is an open-pore metal shell, and the inside of the adsorption pad (15) is lipophilic polymer gel.
  6. 6. A butterfly valve with self-lubricating function according to claim 3, characterized in that the valve rod (7) is rotatably connected with the storage box (8), and the valve rod (7) is slidably connected with the extrusion plate (10).
  7. 7. The butterfly valve with the self-lubricating function according to claim 4, wherein a sealing ring (13) is fixedly connected to the surface of the butterfly plate (14), and the sealing ring (13) is made of rubber.
  8. 8. A butterfly valve with self-lubricating function according to claim 7, characterized in that the sealing ring (13) is located on the surface of the valve rod (7), and the valve rod (7) is rotationally connected with the housing (1).

Description

Butterfly valve with self-lubricating function Technical Field The utility model relates to the technical field of valves, in particular to a butterfly valve with a self-lubricating function. Background The butterfly valve is a key mechanical device for controlling fluid flow in a fluid conveying system, realizes various control functions by changing the sectional area of a flow passage, has the basic functions of cutting off, connecting fluid and regulating flow, mainly comprises a valve body, a butterfly plate, a valve rod and a driving device, and is applied to a plurality of scenes related to fluid control by the characteristics of simple structure, convenient operation and good regulation performance. The butterfly plate in the butterfly valve is disc-like, and rotates around the valve rod to realize opening and closing of the valve, and in the operation process of the existing butterfly valve, especially under the condition that more accurate opening adjustment is needed, the problem that the operation accuracy and the reduction of the operation force cannot be considered is often faced, and the opening of the butterfly valve is difficult to accurately control under the condition of saving labor. Disclosure of utility model In order to make up for the defects, the utility model provides a butterfly valve with a self-lubricating function, and aims to solve the problem that the butterfly valve is difficult to accurately control the opening degree under the condition of saving labor. In order to achieve the purpose, the butterfly valve with the self-lubricating function comprises an outer cover, wherein two first gears are arranged in the outer cover, two second gears are arranged in the outer cover, the top of each first gear on the right side is fixedly connected with a rotating cover, the top of each second gear on the right side is fixedly connected with a rotating rod, the rotating rods are in rotating connection with the rotating cover, the rotating cover is in rotating connection with the outer cover, two control discs are arranged on the top of the outer cover, the upper control discs are fixedly connected with the rotating rods, the lower control discs are fixedly connected with the rotating cover, the first gears on the right side are in meshed connection with the second gears on the left side, the second gears on the right side are in meshed connection with the first gears on the left side, and a lubricating assembly is arranged on the bottom wall in the outer cover and is used for automatically lubricating the butterfly valve. Preferably, the lubrication assembly comprises a storage box, fixedly connected between the storage box and the outer cover, a feeding pipe is slidably connected to the top in the storage box, a plug is slidably connected to the top of the feeding pipe, an adsorption pad is fixedly connected to the inner bottom wall of the storage box, a pipeline is fixedly connected to the surface of the adsorption pad, a squeezing plate is fixedly connected to the bottom of the feeding pipe, and the squeezing plate is slidably connected with the storage box. Preferably, the first gear on the left side is fixedly connected with a valve rod, and the valve rod is fixedly connected with the second gear on the left side. Preferably, the adsorption pad is rotationally connected with the valve rod, and the bottom of the valve rod is fixedly connected with a butterfly plate. Preferably, the surface of the adsorption pad is an open-pore metal shell, and the inside of the adsorption pad is lipophilic polymer gel. Preferably, the valve rod is rotationally connected with the storage box, and the valve rod is in sliding connection with the extrusion plate. Preferably, the butterfly plate surface is fixedly connected with a sealing ring, and the sealing ring is rubber. Preferably, the sealing ring is located on the surface of the valve rod, and the valve rod is rotationally connected with the outer cover. The utility model has the following beneficial effects: 1. According to the butterfly valve, the control panel at the lower side is rotated to drive the rotating rod to rotate, the rotating rod drives the first gear at the right side to rotate, the first gear at the right side drives the second gear at the left side to rotate, the first gear at the left side drives the valve rod to rotate, the valve rod drives the butterfly plate to rotate, when the butterfly plate rotates to a position close to or needing to be opened, the control panel at the upper side is rotated to drive the rotating cover to rotate, the rotating cover drives the second gear at the right side to rotate, the second gear at the right side drives the first gear at the left side to rotate, the second gear at the left side drives the valve rod to rotate, and the valve rod drives the butterfly plate to rotate, so that the problem that the opening degree of the butterfly valve is difficult to accurately control under the condition of