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Rotary sealing device

A technology of rotary sealing and sealing ring, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of liquid leakage, difficulty in ensuring the sealing performance of pipelines, and waste of cost, and achieve the effect of preventing leakage and good sealing performance.

Pending Publication Date: 2020-06-05
DONGGUAN TENGMING ELECTRONICS EQUIP
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

In the spraying device of the existing spray etching machine, it is difficult for the pipeline used for spraying to ensure its own sealing when rotating, and part of the liquid will leak during the working process, resulting in a waste of cost

Method used

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is said to be "fixed to" another element, it can be by the usual fixed means of welding or bolting or gluing.

[0018] Please refer to Figure 1-3 , the preferred embodiment of the present invention discloses a rotar...

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PUM

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Abstract

The invention discloses a rotary sealing device. The rotary sealing device comprises a fixed seat, a spray pipe, a sealing sleeve, a first sealing ring and a spray nozzle; a water inlet is formed in one end of the fixed seat; one end of the spray pipe is rotatably arranged in the fixed seat, and a pipe of the spray nozzle is in communication with the water inlet; the sealing sleeve is rotatably arranged on the outer side of the fixed seat and is fixed to the outer side of the spray nozzle; the first sealing ring rotatably sleeves the outer side of the spray pipe and is arranged between the fixed seat and the sealing sleeve; and the spray nozzle is arranged on one side of the spray pipe and communicates with a pipe body of the spray pipe. The rotary sealing device can effectively prevent the leakage of liquid while ensuring that the spray pipe rotatably sprays the liquid, and has good sealing performance.

Description

technical field [0001] The invention belongs to the technical field of etching, and in particular relates to a rotary sealing device. Background technique [0002] Etching is usually also called photochemical etching, which refers to removing the protective film of the area to be etched after development, and contacting a chemical solution during etching to achieve the effect of dissolution and corrosion. Among them, the spray etching machine etches the product by spraying chemical liquid on the product. [0003] When spraying some products with relatively complex structures, the spray device in the spray etching machine usually needs to be rotated to facilitate a comprehensive etching process on the product. In the spraying device of the existing spray etching machine, it is difficult for the pipeline used for spraying to ensure its own sealing when rotating, and part of the liquid will leak during the working process, resulting in waste of cost. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/16
CPCF16J15/16
Inventor 董先甫
Owner DONGGUAN TENGMING ELECTRONICS EQUIP
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