Fluid sealing leakage-free damper

Abstract

The utility model discloses a fluid sealing leakage-free damper, which relates to the technical field of dampers and comprises a main fixing rod, a first leakage-proof unit is arranged on one side of the main fixing rod, a second leakage-proof unit is arranged on the inner side of the first leakage-proof unit, a sedimentation-proof unit is arranged on the inner side of the second leakage-proof unit, and the sedimentation-proof unit is arranged on the inner side of the second leakage-proof unit. The anti-precipitation unit comprises an auxiliary fixing block, the auxiliary fixing block is arranged on one side of the first leakage-proof unit, a supporting rod is fixedly connected to one side of the auxiliary fixing block, one end of the supporting rod is arranged in the first leakage-proof unit in a penetrating mode and fixedly connected with a second piston, and a first threaded rod is arranged on one side of the second piston; the inner side of the surface of the first threaded rod is in threaded connection with a stirring blade, and a first attaching block is arranged on one side of the stirring blade. Through mutual cooperation of the supporting rod, the second piston, the first threaded rod, the stirring blade and the first attaching block, the effect of mixing damping oil in the damping outer cylinder is achieved, precipitation is avoided, and the damping effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dampers, in particular to a fluid-sealed non-leakage damper. Background Art

[0002] A damper is a device that provides resistance to movement and dissipates kinetic energy. Various dampers or shock absorbers have long been used in aerospace, aviation, military, firearms, automobile and other industries to reduce vibration and dissipate energy. Since the 1970s, people have gradually begun to transfer these technologies to structural engineering such as buildings, bridges, and railways, and their development has been very rapid. Fluid dampers, including viscous fluid dampers, magnetorheological fluid dampers, magnetorheological grease dampers, etc., are widely used vibration reduction devices.

[0003] At present, publication number CN203948549U discloses a fluid-sealed non-leakage damper. Its structure includes a fixed ear plate and a movable ear plate that can be connected to two components respectively, a damping cylinder body and a connecting body fixedly connected thereto, left and right end covers with piston rod holes arranged at both ends of the damping cylinder body, and a piston rod and a piston head for realizing damping displacement; a barrel-shaped leak-proof end cover filled with damping oil is arranged at the end of the damping cylinder body on the side of the movable ear plate, and a piston hole corresponding to the piston rod hole of the left end cover and for the reciprocating displacement of the piston rod is arranged on the bottom of the leak-proof end cover.

[0004] In order to solve the problem of leakage prevention, the existing technology adopts three methods. Since oil filling holes are provided on the leak-proof end cover and the second leak-proof cavity, the damping oil therein can be replenished regularly to further ensure the damping effect of the damper. However, there is still a problem that the fluid precipitates inside the damper, which leads to a problem that the damping effect deteriorates. Utility Model Content

[0005] The purpose of the utility model is to provide a fluid-sealed non-leakage damper to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A fluid-tight leakage-free damper comprises a main fixing rod, a first leakage-proof unit is arranged on one side of the main fixing rod, a second leakage-proof unit is arranged inside the first leakage-proof unit, and an anti-sedimentation unit is arranged inside the second leakage-proof unit.

[0008] The anti-sedimentation unit includes a secondary fixed block, which is arranged on one side of the anti-leakage unit 1, and a support rod is fixedly connected to one side of the secondary fixed block, one end of the support rod passes through the interior of the anti-leakage unit 1 and is fixedly connected to a piston 2, a threaded rod 1 is arranged on one side of the piston 2, a stirring blade is threadedly connected to the inner side of the surface of the threaded rod 1, a fitting block 1 is arranged on one side of the stirring blade, and an anti-adhesion unit is arranged on one side of the piston 2.

[0009] A further improvement of the technical solution of the utility model is that the leakage-proof unit 1 includes a damping outer cylinder, which is arranged on one side of the main fixed rod, a bottom sealing cover is arranged on one side of the damping outer cylinder, a sliding rod is arranged on the inner side of the bottom sealing cover, a spring 1 is arranged on the outer side of the surface of the sliding rod, and a sealing plate is slidably connected to the inner side of the sliding rod.

[0010] By adopting the above technical solution, the bottom sealing cover, the slide rod, the spring 1 and the sealing plate cooperate with each other, so as to achieve the effect of sealing the surface of the main fixing rod during the extension and retraction process, thereby avoiding leakage.

[0011] A further improvement of the technical solution of the utility model is that a piston 1 is arranged on the inner side of the damping outer cylinder, one side of the piston 1 is fixedly connected to one side of the main fixing rod, one side of the piston 1 is fixedly connected to a limiting frame, and a threaded hole is opened on the inner side of the limiting frame.

[0012] By adopting the above technical solution, the piston 1, the limiting frame and the threaded hole cooperate with each other to achieve the effect of limiting the movement of the threaded rod 1.

[0013] A further improvement of the technical solution of the utility model is that: the second anti-leakage unit comprises a sealing cover, the sealing cover is arranged on one side of the damping outer cylinder, and an inner groove is opened on the inner side of the sealing cover.

[0014] By adopting the above technical solution, the effect of limiting the movement of the spring is achieved through the arrangement of the sealing cover and the inner groove.

[0015] A further improvement of the technical solution of the utility model is that: a second spring is fixedly connected to the inner side of the inner groove, a sealing block is fixedly connected to one end of the second spring, and the inner side of the sealing block is arranged on the inner side of the surface of the support rod.

[0016] By adopting the above technical solution, the second spring and the sealing block cooperate with each other, so as to achieve the effect of sealing the support rod during the extension and retraction process, thereby avoiding leakage.

[0017] A further improvement of the technical solution of the utility model is that the anti-adhesion unit includes a threaded rod 2, which is arranged on one side of the piston 2, and the inner side of the surface of the threaded rod 2 is threadedly connected with an engaging block 2, and one side of the engaging block 2 is fixedly connected with a plurality of rotating leaves.

[0018] By adopting the above technical solution, the damping oil inside the damping outer cylinder is stirred through the cooperation of the second threaded rod, the second meshing block and the rotating blade.

[0019] A further improvement of the technical solution of the utility model is that a scraper is fixedly connected to the inner side of the rotating blade, a fixing block is threadedly connected to the inner side of the second surface of the threaded rod, and one side of the fixing block is fixedly connected to the inner side of the damping outer cylinder.

[0020] By adopting the above technical solution, the scraper and the rotating blade cooperate with each other to achieve the effect of scraping the inner side of the damping outer cylinder, thereby preventing the damping oil from adhering to the inner side of the damping outer cylinder and affecting the damping effect.

[0021] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0022] The utility model provides a fluid-sealed leakage-free damper. Through the mutual cooperation of a support rod, two pistons, one threaded rod, a stirring blade and a fitting block, the damping oil in the damping outer cylinder is mixed to avoid precipitation and improve the damping effect. Through the arrangement of a sealing cover and an inner groove, the movement of the second spring is limited. Through the mutual cooperation of the second spring and the sealing block, the support rod is sealed during the extension and retraction process to avoid leakage.

[0023] The utility model provides a fluid-sealed non-leakage damper. Through the mutual cooperation of a piston, a limiting frame and a threaded hole, the effect of limiting the movement of a threaded rod is achieved. Through the mutual cooperation of a bottom sealing cover, a sliding rod, a spring and a sealing plate, the effect of sealing the surface of the main fixed rod during the extension and retraction process is achieved to avoid leakage. Through the mutual cooperation of a threaded rod, an engaging block and a rotating leaf, the effect of stirring the damping oil inside the damping outer cylinder is achieved. Through the mutual cooperation of a scraper and a rotating leaf, the effect of scraping the inner side of the damping outer cylinder is achieved to avoid the damping oil adhering to the inner side of the damping outer cylinder and affecting the damping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structural section of the utility model;

[0025] Figure 2 This is a schematic structural diagram of the leak-proof unit 1 of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the second leak-proof unit of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the anti-sedimentation unit of the utility model;

[0028] Figure 5 For this utility model Figure 4 A magnified schematic diagram of the A structure.

[0029] In the figure: 1. main fixed rod; 2. leak-proof unit 1; 21. damping outer cylinder; 22. bottom sealing cover; 23. sliding rod; 24. spring 1; 25. sealing plate; 26. piston 1; 27. limit frame; 28. threaded hole; 3. leak-proof unit 2; 31. sealing cover; 32. inner groove; 33. spring 2; 34. sealing block; 4. anti-sedimentation unit; 41. auxiliary fixed block; 42. support rod; 43. piston 2; 44. threaded rod 1; 45. stirring blade; 46. fitting block 1; 47. anti-adhesion unit; 471. threaded rod 2; 472. meshing block 2; 473. rotating blade; 474. scraper; 475. fixed block. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the embodiments: Example

[0031] like Figure 1-5 As shown, the utility model provides a fluid-tight leakage-free damper, including a main fixing rod 1, a leak-proof unit 2 is arranged on one side of the main fixing rod 1, a leak-proof unit 2 3 is arranged on the inner side of the leak-proof unit 2, an anti-precipitation unit 4 is arranged on the inner side of the leak-proof unit 2 3, the anti-precipitation unit 4 includes a secondary fixing block 41, the secondary fixing block 41 is arranged on one side of the leak-proof unit 2, a support rod 42 is fixedly connected to one side of the secondary fixing block 41, one end of the support rod 42 is penetrated and arranged inside the leak-proof unit 2 and fixedly connected to a piston 2 43, a threaded rod 44 is arranged on one side of the piston 2 43, and the inner side of the surface of the threaded rod 44 is threadedly connected to A stirring blade 45, a fitting block 46 is provided on one side of the stirring blade 45, and an anti-adhesion unit 47 is provided on one side of the piston 23. The main fixing rod 1 is installed, and the auxiliary fixing block 41 is installed to install the device. After the installation is completed, during the operation, the auxiliary fixing block 41 drives the support rod 42 to move inside the damping outer cylinder 21, and drives the threaded rod 44 to rotate on the inner side of the threaded hole 28. While rotating, the threaded rod 44 drives the fitting block 46 at one end of the stirring blade 45 to rotate on the inner side of the damping outer cylinder 21, and stirs the damping oil inside the sealing cover 31 to prevent the damping oil from settling and affecting the damping effect. Example

[0032] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the anti-adhesion unit 47 includes a threaded rod 471, the threaded rod 471 is arranged on one side of the piston 43, the inner side of the surface of the threaded rod 471 is threadedly connected with an engaging block 472, one side of the engaging block 472 is fixedly connected with a plurality of rotating leaves 473, the inner side of the rotating leaves 473 is fixedly connected with a scraper 474, the inner side of the surface of the threaded rod 471 is threadedly connected with a fixed block 475, one side of the fixed block 475 is fixedly connected to the inner side of the damping outer cylinder 21, during the movement of the piston 43, the piston 43 drives the threaded rod 471 on one side to rotate on the inner side of the fixed block 475, and at the same time drives the rotating leaves 473 and the scraper 474 on one side of the engaging block 472 to rotate, during the rotation process, the scraper 474 scrapes the inner side of the damping outer cylinder 21 to prevent the damping oil from adhering to the inner side of the damping outer cylinder 21. Example

[0033] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the leak-proof unit 2 includes a damping outer cylinder 21, the damping outer cylinder 21 is arranged on one side of the main fixed rod 1, a bottom sealing cover 22 is arranged on one side of the damping outer cylinder 21, a sliding rod 23 is arranged on the inner side of the bottom sealing cover 22, a spring 24 is arranged on the outer side of the surface of the sliding rod 23, a sealing plate 25 is slidably connected to the inner side of the sliding rod 23, a piston 26 is arranged on the inner side of the damping outer cylinder 21, one side of the piston 26 is fixedly connected to one side of the main fixed rod 1, one side of the piston 26 is fixedly connected to a limiting frame 27, a threaded hole 28 is opened on the inner side of the limiting frame 27, and the leak-proof unit 23 includes a sealing cover 3 1. The sealing cover 31 is arranged on one side of the damping outer cylinder 21. An inner groove 32 is opened on the inner side of the sealing cover 31. A spring 2 33 is fixedly connected to the inner side of the inner groove 32. A sealing block 34 is fixedly connected to one end of the spring 2 33. The inner side of the sealing block 34 is arranged on the inner side of the surface of the support rod 42. During the extension and retraction of the support rod 42, the elastic action of the spring 2 33 drives the sealing block 34 to fit the inner side of the support rod 42 to avoid leakage of the damping oil. At the same time, during the extension and retraction of the main fixed rod 1, the sealing plate 25 seals the inner side of the main fixed rod 1. At the same time, the elastic action of the spring 1 24 drives the sealing plate 25 to fit tightly with the inner side of the main fixed rod 1.

[0034] The working principle of the fluid-sealed leakage-free damper is described in detail below.

[0035] like Figure 1-5As shown, by installing the main fixing rod 1 and installing the device with the auxiliary fixing block 41, after the installation is completed, during the working process, the auxiliary fixing block 41 drives the support rod 42 to move inside the damping outer cylinder 21, and drives the threaded rod 1 44 to rotate inside the threaded hole 28. While rotating, the threaded rod 1 44 drives the fitting block 1 46 at one end of the stirring blade 45 to rotate inside the damping outer cylinder 21, and stirs the damping oil inside the sealing cover 31 to prevent the damping oil from settling and affecting the damping effect. During the movement of the piston 2 43, the piston 2 43 drives the threaded rod 2 471 on one side to rotate inside the fixing block 475. Rotate, and at the same time drive the rotating blade 473 and the scraper 474 on one side of the meshing block 2 472 to rotate. During the rotation, the scraper 474 scrapes the inner side of the damping outer cylinder 21 to prevent the damping oil from sticking to the inner side of the damping outer cylinder 21. During the extension and retraction of the support rod 42, the elastic action of the spring 2 33 drives the sealing block 34 to fit the inner side of the support rod 42 to prevent the damping oil from leaking. At the same time, during the extension and retraction of the main fixed rod 1, the sealing plate 25 seals the inner side of the main fixed rod 1, and at the same time, through the elastic action of the spring 1 24, it drives the sealing plate 25 to fit tightly with the inner side of the main fixed rod 1.

[0036] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A fluid-tight, leak-free damper comprising a main fixing rod (1), characterized in that: A first leak-proof unit (2) is arranged on one side of the main fixing rod (1), a second leak-proof unit (3) is arranged on the inner side of the first leak-proof unit (2), and an anti-sedimentation unit (4) is arranged on the inner side of the second leak-proof unit (3); The anti-sedimentation unit (4) comprises a secondary fixing block (41), the secondary fixing block (41) being arranged on one side of the anti-leakage unit one (2), a support rod (42) being fixedly connected to one side of the secondary fixing block (41), one end of the support rod (42) being passed through the interior of the anti-leakage unit one (2) and being fixedly connected to a piston two (43), a threaded rod one (44) being arranged on one side of the piston two (43), a stirring blade (45) being threadedly connected to the inner side of the surface of the threaded rod one (44), a fitting block one (46) being arranged on one side of the stirring blade (45), and an anti-adhesion unit (47) being arranged on one side of the piston two (43).

2. A fluid-tight, leak-free damper according to claim 1, characterized in that: The anti-leakage unit 1 (2) comprises a damping outer cylinder (21), the damping outer cylinder (21) being arranged on one side of the main fixing rod (1), a bottom sealing cover (22) being arranged on one side of the damping outer cylinder (21), a sliding rod (23) being arranged on the inner side of the bottom sealing cover (22), a spring 1 (24) being arranged on the outer side of the surface of the sliding rod (23), and a sealing plate (25) being slidably connected to the inner side of the sliding rod (23).

3. A fluid-tight, leak-free damper according to claim 2, characterized in that: A piston 1 (26) is arranged on the inner side of the damping outer cylinder (21), one side of the piston 1 (26) is fixedly connected to one side of the main fixing rod (1), one side of the piston 1 (26) is fixedly connected to a limiting frame (27), and a threaded hole (28) is provided on the inner side of the limiting frame (27).

4. A fluid-tight, leak-free damper according to claim 1, characterized in that: The second anti-leakage unit (3) comprises a sealing cover (31), wherein the sealing cover (31) is arranged on one side of the damping outer cylinder (21), and an inner groove (32) is provided on the inner side of the sealing cover (31).

5. A fluid-tight, leak-free damper according to claim 4, characterized in that: A second spring (33) is fixedly connected to the inner side of the inner groove (32), a sealing block (34) is fixedly connected to one end of the second spring (33), and the inner side of the sealing block (34) is arranged on the inner side of the surface of the support rod (42).

6. A fluid-tight, leak-free damper according to claim 1, characterized in that: The anti-adhesion unit (47) comprises a second threaded rod (471), the second threaded rod (471) being arranged on one side of the second piston (43), the inner side of the surface of the second threaded rod (471) being threadedly connected to a second engagement block (472), and one side of the second engagement block (472) being fixedly connected to a plurality of rotating leaves (473).

7. A fluid-tight, leak-free damper according to claim 6, characterized in that: A scraper (474) is fixedly connected to the inner side of the rotating blade (473), a fixing block (475) is threadedly connected to the inner side of the surface of the second threaded rod (471), and one side of the fixing block (475) is fixedly connected to the inner side of the damping outer cylinder (21).

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