Gas damping buffer with axial piston vent hole

A technology of axial exhaust and gas damping, which is applied in the direction of gas shock absorbers, shock absorbers, shock absorbers, etc., can solve the problems of not ensuring the service life of the damper, high processing cost, poor sealing performance, etc., and achieve sealing performance Good, easy assembly, and improved service life

Inactive Publication Date: 2010-06-23
江苏华宏强顺科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure is more complex and the processing cost is high
[0006] 4. The cup seal at one end of the piston rod adopts a ce

Method used

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  • Gas damping buffer with axial piston vent hole
  • Gas damping buffer with axial piston vent hole
  • Gas damping buffer with axial piston vent hole

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Embodiment 1

[0052] see Figure 1~4 , the present invention relates to a gas damping buffer with a piston axial exhaust hole, the damper has a closed cylinder 4, the inner chamber of the cylinder 4 is divided by a piston 8 that can slide in the cylinder 4 a first chamber A and a second chamber B filled with gas,

[0053] The damper has a piston rod 2 which is guided sealingly from one end of the cylinder 4 through the first working chamber A,

[0054] A guide sleeve 3 and a front leather cup 5 are closely arranged in sequence in the cylinder body 4 between the piston 8 and the lead-out end of the piston rod, and the guide sleeve 3 is arranged close to the lead-out end of the piston rod.

[0055] The damper also has a plug 12 solidified with the other end of the cylinder 4,

[0056] At least two blocks I3.1 protrude from the middle of the outer edge of the guide sleeve 3. Corresponding to the blocks I3.1, the cylinder body 4 is at least provided at the corresponding position on the cylind...

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PUM

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Abstract

The invention relates to a gas damping buffer with an axial piston vent hole, comprising a closed cylinder (4), a piston (8), a piston rod (2), a guide sleeve (3), a front leather cup (5), a plug (12), a clamping block I (3.1), a bayonet I (4.1), a clamping block II (12.1), a bayonet II (4.3) and a gas release ring slot (4.2), wherein the piston (8) is provided with a central piston blind hole, and the part of the piston (8) on the left of the blind hole is axially provided with an axial piston vent hole (8.6); the blind hole is internally and fixedly connected with a piston head (6), and themiddle on the outer edge of the piston (8) is provided with a front piston ring (8.1); the rear edge of the central piston head (6) is provided with a rear piston ring (8.3), a floating ring (9) is sleeved on a piston post (8.2) between the front piston ring (8.1) and the rear piston ring (8.3); the piston head (6) is provided with a central piston head hole and a vertical piston head hole (10) vertical to an axial line; the central piston head hole of the piston head (6) is internally provided with a piston damping core (7); and the outer diameter of the floating ring (9) is larger than the outer diameters of the piston (8) and the piston head (6). The gas damping buffer has simple assembly, firm connection, obvious relief function, stable damping effect and better tightness.

Description

(1) Technical field [0001] The invention relates to a gas damping buffer with a piston axial exhaust hole. It is suitable for all kinds of drawer rails, sliding doors, pull baskets and other parts that need cushioning. This kind of damper can absorb and dissipate external impulse or vibration energy of disturbance source by using the stagnation flow and vacuum effect of the fluid in the damper. The utility model belongs to the technical field of sealed hydraulic pneumatic metal hardware. (2) Background technology [0002] Before the present invention was made, the traditional gas buffer damper had a closed cylinder, and the inner surface of the cylinder was provided with an air release groove parallel to the axis, and the inner chamber of the cylinder was passed through a piston that could slide in the cylinder. Divided into a first working chamber and a second working chamber, the first working chamber and the second working chamber are filled with gas fluid; the damper h...

Claims

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Application Information

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IPC IPC(8): F16F9/02F16F9/36F16F9/32
Inventor 卫德义张晓娟
Owner 江苏华宏强顺科技有限公司
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