Protective viscous damper

Abstract

The utility model discloses a protection type viscous damper which comprises a damper body, the two ends of the damper body are respectively connected with a connecting rod, the outer portion of the damper body is movably connected with three damping pieces which are annularly distributed at equal intervals, and the outer portions of the damping pieces are jointly connected with a sleeve. The sleeve is arranged outside the damper body, the two ends of the sleeve are each connected with a cover plate through a first bolt, guide holes horizontally penetrate through the outer centers of the two cover plates, and the two connecting rods are movably connected into the two guide holes in a penetrating mode respectively. The damper body and the damping piece are movably connected through the threaded block and the second bolt, the damping piece is movably connected with the sleeve through the positioning block and the positioning groove, the two ends of the sleeve are each connected with one cover plate through the first bolt, and therefore when the damping piece is damaged, the damping piece is convenient to disassemble and maintain, and the service life of the damping piece is prolonged. And the convenience of daily maintenance operation of the buffer piece in the damper body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of viscous dampers, in particular to a protective viscous damper. Background Art

[0002] Viscous dampers are made based on the principle that throttling resistance will be generated when fluid passes through a throttling hole. 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] Patent publication number CN219975219U discloses a protective viscous damper, including a viscous damper body, a connecting rod 1 and a connecting rod 2, the two ends of the viscous damper body are fixedly connected to the connecting rod 1 and the connecting rod 2, a protective component is provided outside the viscous damper body, the protective component includes a protective cover located outside the viscous damper body, and a plurality of shock absorbing modules are provided between the viscous damper body and the protective cover. The utility model adds sealing protection for the movable end, and the overall dustproof and waterproof effect is better; the structure of the shock absorbing protection is optimized, and the added steel rope can effectively reduce the vibration of the protective cover, prevent the viscous damper body from being damaged, greatly improve the safety, and make the overall protective shock absorbing effect better; the designed sliding rod 1 and sliding rod 2 further optimize and reinforce the stability of the fixed plate when moving, and further improve the protection ability of the viscous damper body.

[0004] However, most parts of the shock-absorbing protection mechanism in the patent are fixedly connected to the damper body. When parts of the shock-absorbing protection mechanism are damaged, it is not convenient to disassemble and repair them. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a protective viscous damper.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a protective viscous damper, including a damper body, each end of the damper body is connected to a connecting rod, the outside of the damper body is movably connected to three equidistant annularly distributed shock-absorbing parts, the outsides of multiple shock-absorbing parts are commonly connected to a sleeve, the sleeve is arranged on the outside of the damper body, the two ends of the sleeve are respectively connected to a cover plate by a first bolt, the outer centers of the two cover plates are horizontally penetrated by a guide hole, and the two connecting rods are movably connected in the two guide holes respectively.

[0007] As a further description of the above technical solution: the shock absorber includes a plurality of threaded blocks movably connected to the outside of the damper body, a telescopic rod is axially fixed on the top surface of each threaded block, the ends of the plurality of telescopic rods are movably connected to an arc plate, the arc plate is movably connected in the sleeve, the outer edge of each telescopic rod is sleeved with a spring, and the spring abuts between the arc plate and the threaded block.

[0008] As a further description of the above technical solution: a plurality of third thread grooves are radially provided on the outside of the damper body, and each of the third thread grooves is threadedly connected to one of the thread blocks.

[0009] As a further description of the above technical solution: the inner wall of the sleeve is radially provided with a plurality of equidistant axially distributed positioning grooves, a positioning block is movably inserted in each of the positioning grooves, the positioning block is fixedly connected to the outside of the arc plate, a second countersunk hole is provided on the top surface of the positioning block, a third countersunk hole connected to the second countersunk hole is radially provided on the inner side of the arc plate, the telescopic rod and the spring are arranged in the third countersunk hole, a second threaded groove concentric with the third countersunk hole is axially provided on the top surface of the telescopic rod, a second bolt is movably connected in the second countersunk hole, the second bolt movably passes through the third countersunk hole, and is threadedly connected in the second threaded groove.

[0010] As a further description of the above technical solution: a lever is horizontally fixed at both ends of each of the arc-shaped plates, a plurality of blind holes adapted to the lever are axially opened on the inner sides of the two cover plates, and a lever is axially movably connected in each of the blind holes.

[0011] As a further description of the above technical solution: a plurality of first thread grooves equidistantly distributed are axially opened at both ends of the sleeve, a plurality of first countersunk holes adapted to the first thread grooves are axially opened on the outer sides of the two cover plates, and the first bolt is movably sleeved in the first countersunk holes and threadedly connected in the first thread groove.

[0012] The utility model has the following beneficial effects:

[0013] Compared with the prior art, the protective viscous damper achieves easy disassembly and repair of the shock absorbing component when it is damaged by movably connecting the damper body and the shock absorbing component by means of a threaded block and a second bolt, and movably connecting the shock absorbing component to the sleeve by means of a positioning block and a positioning groove, and connecting a cover plate at each end of the sleeve by means of a first bolt, thereby improving the convenience of daily maintenance operations of the buffer component in the damper body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1This is a three-dimensional diagram of the overall structure of a protective viscous damper proposed by the utility model;

[0015] Figure 2 A three-dimensional diagram showing the connection between a damper body and an arc plate of a protective viscous damper proposed by the utility model;

[0016] Figure 3 A three-dimensional diagram showing the connection between a damper body and a telescopic rod of a protective viscous damper proposed by the utility model;

[0017] Figure 4 This is a cross-sectional view of the overall structure of a protective viscous damper proposed by the utility model;

[0018] Figure 5 A protective viscous damper proposed by the utility model Figure 2 A magnified view of the structure at center A;

[0019] Figure 6 A protective viscous damper proposed by the utility model Figure 3 A magnified view of the structure at B in the middle;

[0020] Figure 7 A protective viscous damper proposed by the utility model Figure 4 Enlarged view of the structure at C in the middle.

[0021] Legend:

[0022] 1. Sleeve; 2. Cover plate; 3. First bolt; 4. Connecting rod; 5. Guide hole; 6. Arc plate; 7. Push rod; 8. Positioning block; 9. Damper body; 10. Spring; 11. Third thread groove; 12. Thread block; 13. Telescopic rod; 14. Second countersunk hole; 15. Second bolt; 16. Second thread groove; 17. Third countersunk hole; 18. First thread groove; 19. First countersunk hole; 20. Blind hole; 21. Positioning groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0024] Reference Figures 1 to 7The utility model provides a protective viscous damper: comprising a damper body 9, two ends of the damper body 9 are respectively connected to a connecting rod 4, the outside of the damper body 9 is movably connected to three equidistant annularly distributed shock absorbing parts, the outsides of the multiple shock absorbing parts are commonly connected to a sleeve 1, the sleeve 1 is arranged on the outside of the damper body 9, the two ends of the sleeve 1 are respectively connected to a cover plate 2 through a first bolt 3, the outer centers of the two cover plates 2 are horizontally penetrated with a guide hole 5, the two connecting rods 4 are respectively movably connected in the two guide holes 5, and the damper The shock member includes a plurality of threaded blocks 12 movably connected to the outside of the damper body 9, a plurality of third threaded grooves 11 are radially provided on the outside of the damper body 9, a threaded block 12 is threadedly connected in each of the third threaded grooves 11, a telescopic rod 13 is axially fixed to the top surface of each threaded block 12, the ends of the plurality of telescopic rods 13 are movably connected to an arc plate 6, the arc plate 6 is movably connected in the sleeve 1, a spring 10 is sleeved on the outer edge of each telescopic rod 13, and the spring 10 abuts between the arc plate 6 and the threaded block 12;

[0025] The inner wall of the sleeve 1 is radially provided with a plurality of equidistant axially distributed positioning grooves 21, each positioning groove 21 is movably inserted with a positioning block 8, the positioning block 8 is fixedly connected to the outside of the arc plate 6, the top surface of the positioning block 8 is provided with a second countersunk hole 14, the inner side of the arc plate 6 is radially provided with a third countersunk hole 17 connected to the second countersunk hole 14, the telescopic rod 13 and the spring 10 are arranged in the third countersunk hole 17, the top surface of the telescopic rod 13 is axially provided with a second threaded groove 16 concentric with the third countersunk hole 17, the second countersunk hole 14 is movably connected with a second bolt 15, and the second bolt 15 is movably connected with the second bolt 15. The first bolt 3 is movably inserted into the third countersunk hole 17 and is threadedly connected in the second thread groove 16. A lever 7 is horizontally fixed at both ends of each arc plate 6. A plurality of blind holes 20 adapted to the lever 7 are axially provided on the inner sides of the two cover plates 2. A lever 7 is axially movably connected in each blind hole 20. A plurality of first thread grooves 18 equidistantly distributed are axially provided at both ends of the sleeve 1. A plurality of first countersunk holes 19 adapted to the first thread groove 18 are axially provided on the outer sides of the two cover plates 2. The first bolt 3 is movably sleeved in the first countersunk hole 19 and is threadedly connected in the first thread groove 18.

[0026] The damper body 9 and the shock absorbing component are movably connected by means of the threaded block 12 and the second bolt 15, and the shock absorbing component is movably connected to the sleeve 1 by means of the positioning block 8 and the positioning groove 21, and a cover plate 2 is connected to each of the two ends of the sleeve 1 by means of the first bolt 3, so that the shock absorbing component can be easily disassembled and repaired when damaged, thereby improving the convenience of daily maintenance operations of the buffer component in the damper body 9.

[0027] Working principle: When in use, first remove the first bolt 3 and separate the two cover plates 2 from the sleeve 1. When the cover plate 2 is separated from the sleeve 1, the lever 7 received in the blind hole 20 on the inner side of the cover plate 2 will leak out, and then the lever 7 outside the three arc plates 6 is simultaneously pushed toward the center of the sleeve 1, so that the three arc plates 6 are gathered toward the center and radially displaced. At the same time, the spring 10 is compressed, so that the positioning block 8 on the arc plate 6 is disengaged from the positioning groove 21 in the sleeve 1, and then the entire damper body 9 is pulled out from the sleeve 1, and then the lever 7 is released, and the spring 10 in the compressed state is reset, and then the second bolt 15 in each positioning block 8 on the arc plate 6 is removed, the arc plate 6 and the damper body 9 are disassembled, and then the spring 10 is removed from the telescopic rod 13, and then the lower end of the telescopic rod 13 is rotated, and the telescopic rod 13 drives the threaded block 12 in the damper body 9 is rotated so that the telescopic rod 13 and the damper body 9 are disassembled, and then the various components of the shock absorber can be maintained. When the maintenance is completed, the telescopic rod 13 and the damper body 9 are assembled. After the assembly is completed, the spring 10 is sleeved on the outside of the telescopic rod 13, and then the arc plate 6 is connected to the telescopic rod 13 and fixed with the second bolt 15. Then, the lever 7 on the three arc plates 6 is pushed inward at the same time, so that the three arc plates 6 are retracted, and the spring 10 is compressed at the same time, and then the damper body 9 is inserted into the sleeve 1, so that the positioning block 8 is aligned with the positioning groove 21, and then the lever 7 is released, and the spring 10 in the compressed state is reset. When the spring 10 is reset, the positioning block 8 is pushed into the positioning groove 21, and the outer side of the arc plate 6 abuts against the inner wall of the sleeve 1, and then the two cover plates 2 are installed on both sides of the sleeve 1 through the first bolt 3.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A protective viscous damper, comprising a damper body (9), wherein two ends of the damper body (9) are respectively connected to a connecting rod (4), characterized in that: The outside of the damper body (9) is movably connected to three equidistantly annularly distributed shock absorbing parts, and the outsides of the plurality of shock absorbing parts are commonly connected to a sleeve (1). The sleeve (1) is arranged outside the damper body (9), and the two ends of the sleeve (1) are respectively connected to a cover plate (2) through a first bolt (3). The outer centers of the two cover plates (2) are horizontally penetrated by a guide hole (5), and the two connecting rods (4) are movably connected to the two guide holes (5) respectively.

2. A protective viscous damper according to claim 1, characterized in that: The shock absorbing component comprises a plurality of threaded blocks (12) movably connected to the outside of the damper body (9); a telescopic rod (13) is axially fixed to the top surface of each threaded block (12); the ends of the plurality of telescopic rods (13) are movably connected to an arc plate (6); the arc plate (6) is movably connected to the inside of the sleeve (1); the outer edge of each telescopic rod (13) is sleeved with a spring (10); the spring (10) abuts between the arc plate (6) and the threaded block (12).

3. A protective viscous damper according to claim 2, characterized in that: A plurality of third thread grooves (11) are radially arranged on the outside of the damper body (9), and each of the third thread grooves (11) is threadedly connected to a thread block (12).

4. A protective viscous damper according to claim 2, characterized in that: The inner wall of the sleeve (1) is radially provided with a plurality of equidistant and axially distributed positioning grooves (21), and a positioning block (8) is movably inserted in each of the positioning grooves (21); the positioning block (8) is fixedly connected to the outside of the arc plate (6); a second countersunk hole (14) is provided on the top surface of the positioning block (8); a third countersunk hole (17) connected to the second countersunk hole (14) is radially provided on the inner side of the arc plate (6); the telescopic rod (13) and the spring (10) are arranged in the third countersunk hole (17); a second thread groove (16) concentric with the third countersunk hole (17) is axially provided on the top surface of the telescopic rod (13); a second bolt (15) is movably connected in the second countersunk hole (14); the second bolt (15) movably passes through the third countersunk hole (17) and is threadedly connected in the second thread groove (16).

5. The protective viscous damper according to claim 2, characterized in that: A lever (7) is horizontally fixed at both ends of each arc-shaped plate (6), and a plurality of blind holes (20) adapted to the lever (7) are axially provided on the inner sides of the two cover plates (2), and a lever (7) is axially movably connected in each blind hole (20).

6. The protective viscous damper according to claim 1, characterized in that: A plurality of first thread grooves (18) are axially formed at both ends of the sleeve (1) and are distributed at equal intervals; a plurality of first countersunk holes (19) adapted to the first thread grooves (18) are axially formed on the outer sides of the two cover plates (2); the first bolts (3) are movably sleeved in the first countersunk holes (19) and are threadedly connected in the first thread grooves (18).

Images