Length-adjustable viscous damper

Abstract

The utility model discloses a length-adjustable viscous damper which comprises a viscous damper body, a connecting piece is arranged at the fixed end of the viscous damper body, an adjusting assembly is connected to the connecting piece, the adjusting assembly comprises a sliding cylinder and a telescopic piece, the telescopic piece is arranged on the connecting piece, and the sliding cylinder is arranged on the telescopic piece. The utility model belongs to the technical field of viscous dampers, and particularly relates to a length-adjustable viscous damper.

Description

Technical Field

[0001] The utility model belongs to the technical field of viscous dampers, in particular to a length-adjustable viscous damper. Background Art

[0002] Viscous dampers are made based on the principle that fluid movement, especially when fluid passes through a throttling hole, will produce throttling resistance. They are a type of damper related to the speed of piston movement. They are widely used in high-rise buildings, bridges, seismic reconstruction of building structures, vibration resistance of industrial pipeline equipment, military industry and other fields.

[0003] When installing the existing viscous damper with an oblique support, the overall installation length is usually adjusted by cutting the support rod on site. This method is prone to the situation where the oblique support and the damper are not in a straight line after the installation is completed. Utility Model Content

[0004] The technical problem to be solved by the utility model is that when installing the existing viscous damper, the overall installation length is usually adjusted by cutting the support rods on site, which easily leads to the situation that the length is not in a straight line.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a length-adjustable viscous damper, comprising a viscous damper body, a connecting piece is provided on the fixed end of the viscous damper body, an adjusting component is connected to the connecting piece, the adjusting component comprises a sliding cylinder and a telescopic piece, the telescopic piece is arranged on the connecting piece, and the sliding cylinder is arranged on the telescopic piece.

[0006] Preferably, the connecting member comprises flange 1 and flange 2, wherein flange 1 is fixedly arranged on the viscous damper body, and flange 2 is connected to flange 1 by bolts.

[0007] Preferably, the telescopic member includes a support tube and a screw rod, the support tube is fixedly mounted on flange 2, the screw rod is threadedly connected to the support tube, a connecting plate is provided on the inner side wall of the slide tube, the slide tube is slidingly sleeved on the support tube, the end of the screw rod is rotatably mounted on the connecting plate through a bearing, and a driving member is provided on the slide tube.

[0008] Preferably, the driving member includes an active bevel gear, a driven bevel gear and a handwheel, the active bevel gear is rotatably arranged on the inner side wall of the slide cylinder, the driven bevel gear is fixedly sleeved on the screw, the active bevel gear is meshed with the driven bevel gear, and the end of the handwheel rotates through the slide cylinder and is connected to the active bevel gear.

[0009] Preferably, the cross-sections of the support cylinder and the slide cylinder are both arranged in a rectangular structure.

[0010] Preferably, the end of the slide cylinder and the movable end of the viscous damper body are both provided with earrings.

[0011] The utility model adopts the above structure to achieve the following beneficial effects: the driving member can drive the screw rod to rotate, and by utilizing the threaded connection relationship between the screw rod and the support tube, the screw rod can drive the slide tube to be telescopically adjusted on the support tube, thereby adjusting the length of the viscous damper body to adapt to the on-site installation environment, and can keep the slide tube and the telescopic member and the damper in a straight line. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0013] Figure 2 A cross-sectional view of an embodiment of the present utility model Figure 1 ;

[0014] Figure 3 A cross-sectional view of an embodiment of the present utility model Figure 2 .

[0015] Among them, 1. Viscous damper body, 2. Connecting part, 3. Adjusting assembly, 4. Sliding cylinder, 5. Telescopic part, 6. Flange 1, 7. Flange 2, 8. Support cylinder, 9. Screw, 10. Connecting plate, 11. Driving part, 12. Active bevel gear, 13. Driven bevel gear, 14. Handwheel, 15. Earring. DETAILED DESCRIPTION

[0016] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] like Figure 1-3As shown, the utility model proposes a length-adjustable viscous damper, comprising a viscous damper body 1, a connecting member 2 is provided on the fixed end of the viscous damper body 1, an adjusting component 3 is connected to the connecting member 2, the adjusting component 3 comprises a slide cylinder 4 and a telescopic member 5, the telescopic member 5 is provided on the connecting member 2, the slide cylinder 4 is provided on the telescopic member 5, earrings 15 are provided at the end of the slide cylinder 4 and the movable end of the viscous damper body 1, the slide cylinder 4 can be driven to extend and retract by the telescopic member 5, and the length of the viscous damper body 1 can be adjusted to suit the installation environment on site.

[0019] The connecting member 2 includes a flange 1 6 and a flange 2 7. The flange 1 6 is fixed on the viscous damper body 1, and the flange 2 7 is connected to the flange 1 6 by bolts.

[0020] The telescopic member 5 includes a support tube 8 and a screw rod 9. The support tube 8 is fixedly arranged on the flange 7. The screw rod 9 is threadedly connected to the support tube 8. The inner wall of the slide tube 4 is provided with a connecting plate 10. The slide tube 4 is slidably sleeved on the support tube 8. The cross-sections of the support tube 8 and the slide tube 4 are both rectangular structures. The end of the screw rod 9 is rotatably arranged on the connecting plate 10 through a bearing. The slide tube 4 is provided with a driving member 11. The driving member 11 can drive the screw rod 9 to rotate. By utilizing the threaded connection relationship between the screw rod 9 and the support tube 8, the screw rod 9 can drive the slide tube 4 to perform telescopic adjustment on the support tube 8.

[0021] The driving member 11 includes a driving bevel gear 12, a driven bevel gear 13 and a handwheel 14. The driving bevel gear 12 is rotatably arranged on the inner side wall of the slide 4, and the driven bevel gear 13 is fixedly sleeved on the screw 9. The driving bevel gear 12 is meshed with the driven bevel gear 13. The end of the handwheel 14 rotates through the slide 4 and is connected to the driving bevel gear 12. The handwheel 14 drives the driving bevel gear 12 to rotate, the driving bevel gear 12 drives the driven bevel gear 13 to rotate, and the driven bevel gear 13 drives the screw 9 to rotate.

[0022] During specific use, the hand wheel 14 drives the active bevel gear 12 to rotate, the active bevel gear 12 drives the driven bevel gear 13 to rotate, and the driven bevel gear 13 drives the screw 9 to rotate. By utilizing the threaded connection relationship between the screw 9 and the support tube 8, and matching the support tube 8 and the slide tube 4 with a rectangular cross-section, the screw 9 can drive the slide tube 4 to perform telescopic adjustment on the support tube 8, thereby increasing or decreasing the length of the viscous damper body 1 to adapt to the on-site installation environment.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A length-adjustable viscous damper, characterized in that: It comprises a viscous damper body, a connecting piece is arranged on the fixed end of the viscous damper body, an adjusting component is connected to the connecting piece, the adjusting component comprises a sliding cylinder and a telescopic piece, the telescopic piece is arranged on the connecting piece, and the sliding cylinder is arranged on the telescopic piece.

2. The length-adjustable viscous damper according to claim 1, characterized in that: The connecting member comprises flange 1 and flange 2, wherein flange 1 is fixedly arranged on the viscous damper body, and flange 2 is connected to flange 1 by bolts.

3. The length-adjustable viscous damper according to claim 1, characterized in that: The telescopic member includes a support tube and a screw rod, the support tube is fixedly arranged on flange 2, the screw rod is threadedly connected to the support tube, the inner side wall of the slide tube is provided with a connecting plate, the slide tube is slidingly sleeved on the support tube, the end of the screw rod is rotatably arranged on the connecting plate through a bearing, and a driving member is provided on the slide tube.

4. The length-adjustable viscous damper according to claim 3, characterized in that: The driving member includes a driving bevel gear, a driven bevel gear and a handwheel. The driving bevel gear is rotatably arranged on the inner wall of the slide cylinder, the driven bevel gear is fixedly sleeved on the screw rod, the driving bevel gear is meshed with the driven bevel gear, and the end of the handwheel rotates through the slide cylinder and is connected to the driving bevel gear.

5. The length-adjustable viscous damper according to claim 3, characterized in that: The cross sections of the support cylinder and the slide cylinder are both arranged in a rectangular structure.

6. The length-adjustable viscous damper according to claim 1, characterized in that: The end of the slide cylinder and the movable end of the viscous damper body are both provided with earrings.

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