a gas slip ring
An air-slip and air-hole technology, applied in the field of air-slip rings, can solve the problems of uneven force and uneven force at the seal, avoid thermal failure, overcome uneven force, and have good conduction and heat dissipation performance.
Active Publication Date: 2022-05-20
BEIJING POLYTECHNIC COLLEGE +1
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Problems solved by technology
On the other hand, due to the above-mentioned special application scenarios, each air hole does not take in or out air at the same time (sometimes some air holes switch between the three states of air intake, vacuuming, and no air according to needs), so the force on the seal is not the same. Not single and the force is not uniform, therefore, the sealing means similar to the sealing ring in the prior art is no longer suitable for the above special application; therefore, it is also urgent to make an innovative design for the sealing of the above special air slip ring
Method used
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[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the present invention will be further described in conjunction with the accompanying drawings:
[0027] see figure 1 As shown, a special-purpose air slip ring includes a stator 1, a rotor 2, a first bearing 3, and a second bearing 4. A ring groove is provided on the stator 1, and a first bearing is provided between the stator 1 and the rotor 2. 3 and the second bearing 4, the stator 1 is provided with a first air hole 11 circumferentially, and the rotor 2 is provided with a second air hole 21 circumferentially; the numbers of the first air hole 11 and the second air hole 21 are different.
[0028] In some embodiments, a circlip 7 is further included, and a circlip groove is provided on the stator 1 , and the circlip 7 is installed in the circlip groove of the stator 1 to axially fix the rotor 2 .
[0029] In some embodiments, it also includes a rubber seal...
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The invention relates to an air slip ring, which includes a stator, a rotor, a first bearing and a second bearing, the first bearing and the second bearing are arranged between the stator and the rotor, the rotor rotates around the stator, and the stator is provided with a first Air holes, second air holes are arranged on the rotor; the number of the first air holes and the second air holes are different. It also includes a rubber sealing ring and a sliding sealing ring arranged between the stator and the rotor; liquid sealing is provided between the rubber sealing ring and the sliding sealing ring and / or around the rubber sealing ring and the sliding sealing ring. The invention is suitable for applications in special fields such as crawling robots on glass exterior walls, and greatly reduces the number of complex air circuits and solenoid valves used to switch air circuits in the existing pneumatic transmission in the above fields; the combined sealing design of metal, liquid and rubber improves improved sealing performance.
Description
technical field [0001] The invention relates to the field of industrial robots, in particular to an air slip ring. Background technique [0002] Pneumatic slip ring, also known as pneumatic slip ring, is an important component in the field of industrial robots. Pneumatic slip ring is an electrical component responsible for connecting and transmitting current and signals of rotating objects. The pneumatic slip ring transmits power, fluid pressure, etc. while rotating continuously at 360 degrees. Some devices also need to control signal sources, such as optical fiber signals, high-frequency signals, etc., which can be integrated in the pneumatic slip ring. [0003] The air inlet holes and air outlet holes of the air slip ring in the prior art are in one-to-one correspondence, that is, the number of air holes on the rotor of the air slip ring is the same as the number of air holes on the stator, for example, 4 in and 4 out, 8 in and 8 out, etc., for example The No. 1 air hole...
Claims
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IPC IPC(8): H01R39/08
CPCH01R39/08Y02E10/72
Inventor 李林琛张春芝梁佳雨曹强郭菾
Owner BEIJING POLYTECHNIC COLLEGE