Adjustable friction damper

Abstract

The utility model provides an adjustable friction damper which comprises a main body part, the main body part comprises a damper outer shell and an inner column body arranged on the right side in the damper outer shell, a first damping rubber block is arranged on the inner side of the right end of the inner column body, and a connecting rod is arranged on the left side of the inner column body; the reinforcing part comprises a first reinforcing connecting plate and a second reinforcing connecting plate arranged on the rear side of the first reinforcing connecting plate, and rubber non-slip mats are arranged on the inner side of the first reinforcing connecting plate and the inner side of the second reinforcing connecting plate; the auxiliary damping part comprises a connecting box and a second damping rubber block arranged on the outer side of the left end of the connecting box, and a second connecting support is arranged in the connecting box. The damper solves the problems that stable connection and installation are not convenient to carry out according to needs, connection cannot be added when the length is not enough, accurate positioning and installation are not convenient to carry out, and the practical effect is poor.

Description

Technical Field

[0001] The utility model relates to the technical field of dampers, in particular to an adjustable friction damper. Background Art

[0002] A damper is a device that provides resistance to motion and dissipates motion energy. Various dampers have long been used in industries such as aerospace, aviation, military, guns, and automobiles to reduce vibration and dissipate energy. A friction damper is used to reduce vibration through friction. Damping refers to the characteristic that the amplitude of vibration of any vibrating system gradually decreases during vibration due to external actions or inherent reasons of the system itself, and the quantitative representation of this characteristic. A damper or shock absorber is a device that uses damping characteristics to slow down mechanical vibration and consume kinetic energy.

[0003] However, some dampers are not convenient for stable connection and installation according to needs, which easily causes inability to add connections when the length is insufficient, is not convenient for accurate positioning and installation, and has poor practical effects.

[0004] Therefore, those skilled in the art urgently need to design an adjustable friction damper. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides an adjustable friction damper, which solves the problems in the prior art that it is not convenient for stable connection and installation according to needs, easily causes inability to add connections when the length is insufficient, is not convenient for accurate positioning and installation, and has poor practical effects.

[0007] (2) Technical Solutions

[0008] To achieve the above objectives, the utility model is realized through the following technical solutions: An adjustable friction damper, which includes a main body part, a reinforcement part connected to the main body part, and an auxiliary damping part connected to the main body part. Among them,

[0009] The main body part includes a damper outer shell, and an inner cylinder arranged on the right side inside the damper outer shell. A first damping rubber block is arranged on the inner side of the right end of the inner cylinder. A connecting rod is arranged on the left side of the inner cylinder. A return spring is arranged on the outer side of the connecting rod. A first connecting bracket is arranged on the inner side of the left end of the connecting rod. A reserved perforation is opened inside the first connecting bracket, and a limit pin is arranged inside the reserved perforation;

[0010] The reinforcement part includes a first reinforcement connecting plate and a second reinforcement connecting plate arranged at the rear side of the first reinforcement connecting plate. Rubber anti-slip pads are arranged on the inner sides of both the first reinforcement connecting plate and the second reinforcement connecting plate. Adjusting bolts are arranged at the inner sides of the upper and lower ends of the first reinforcement connecting plate and the second reinforcement connecting plate. A first rubber ring is arranged on the outer side of the front end of the adjusting bolt, and a second rubber ring is arranged on the outer side of the rear end of the adjusting bolt. A adjusting nut connected to the adjusting bolt is arranged at the rear side of the second rubber ring;

[0011] The auxiliary damping part includes a connection box and a second damping rubber block arranged on the outer side of the left end of the connection box. A second connection bracket is arranged inside the connection box. A piston plate is arranged on the outer side of the middle of the second connection bracket. An overflow hole is arranged on the inner side of the piston plate. A friction plate is arranged at the outer end edge of the piston plate. Silicon oil located inside the connection box is arranged on the outer side of the piston plate.

[0012] In a possible implementation manner, the connecting rod forms an elastic telescopic structure on the inner cylinder through the return spring, and the inner surface of the right end of the connecting rod is in a fitting arrangement with the damper outer shell.

[0013] In a possible implementation manner, the limit pin penetrates through the connecting rod and is connected to the first connection bracket by means of plugging through the reserved perforation.

[0014] In a possible implementation manner, both the first reinforcement connecting plate and the second reinforcement connecting plate are connected to the rubber anti-slip pad by means of bonding, and both the first reinforcement connecting plate and the second reinforcement connecting plate are in a fitting arrangement with the damper outer shell.

[0015] In a possible implementation manner, both the first rubber ring and the second rubber ring are connected to the adjusting bolt by means of sleeving, and the adjusting bolt sequentially penetrates through the first reinforcement connecting plate and the second reinforcement connecting plate and is connected to the adjusting nut by means of threading.

[0016] In a possible implementation manner, the connection box is connected to the second damping rubber block by means of bonding, and the connection box is in a fitting arrangement with the damper outer shell through the second damping rubber block.

[0017] In a possible implementation manner, the second connection bracket penetrates through the connection box and is connected to the inner cylinder by means of plugging through the first damping rubber block, and the connection box is connected to the damper outer shell by means of threading.

[0018] In a possible implementation manner, the overflow holes are equidistantly arranged on the inner side of the piston plate. The inner end of the piston plate is fixedly connected to the middle of the second connecting bracket, and the outer surface of the friction plate adhesively connected to the outer end of the piston plate is arranged in a fitting manner with the connection box.

[0019] Beneficial effects

[0020] The utility model provides an adjustable friction damper. A limit pin is arranged to penetrate through the connecting rod and is connected to the first connecting bracket by plugging through a reserved perforation. The first connecting bracket can be stretched leftward as needed, and then the limit pin is used for limit fixation, avoiding the problem that connection cannot be added due to insufficient length and improving the stable connection effect of the connection.

[0021] The utility model provides an adjustable friction damper. The first rubber ring and the second rubber ring are both connected to the adjusting bolt by sleeving, and the adjusting bolt sequentially penetrates through the first reinforcing connecting plate and the second reinforcing connecting plate and is connected to the adjusting nut by threading. After the first reinforcing connecting plate and the second reinforcing connecting plate are respectively connected to the rubber anti-slip pads by adhesion and then are respectively connected to the first reinforcing connecting plate in a fitting manner, accurate positioning and installation can be carried out under the action of the adjusting bolt.

[0022] The utility model provides an adjustable friction damper. The connecting rod is arranged to form an elastic telescopic structure on the inner cylinder body through a return spring, and the second connecting bracket is fixedly connected to the piston plate. When the first connecting bracket and the second connecting bracket move towards each other, the piston plate can squeeze and circulate the silicone oil through the overflow holes, and cooperate with the return spring to achieve the function of shock absorption and damping, effectively improving the practical effect of the device. Brief description of the drawings

[0023] The above description is only an overview of the technical solution of the utility model. In order to be able to understand the technical means of the utility model more clearly and implement it according to the content of the description, the following takes the preferred embodiments of the utility model and combines with the drawings to describe in detail as follows.

[0024] Figure 1 It is a schematic structural diagram of the front view section in the first embodiment;

[0025] Figure 2 For the first embodiment Figure 1 The enlarged structural diagram of part A;

[0026] Figure 3 It is a schematic structural diagram of the side view section of the connection between the connecting rod and the first connecting bracket in the first embodiment;

[0027] Figure 4Schematic diagram of the overall connection of the reinforcement part in Embodiment 1;

[0028] Legend: 1. Main body part; 11. Damper outer casing; 12. Inner cylinder; 13. First damping rubber block; 14. Return spring; 15. Connecting rod; 16. First connecting bracket; 17. Reserved perforation; 18. Limit pin;

[0029] 2. Reinforcement part; 21. First reinforcement connecting plate; 22. Second reinforcement connecting plate; 23. Rubber anti-slip pad; 24. Adjusting bolt; 25. First rubber ring; 26. Second rubber ring; 27. Adjusting nut;

[0030] 3. Auxiliary damping part; 31. Connection box; 32. Second damping rubber block; 33. Second connecting bracket; 34. Piston plate; 35. Overflow hole; 36. Friction plate; 37. Silicone oil. Detailed implementation method

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. In addition, for the convenience of description below, the "upper", "lower", "left", "right", etc. cited are consistent with the upper, lower, left, right, etc. of the accompanying drawings themselves. The "first", "second", etc. in the following text are for distinction in description and have no other special meaning.

[0032] In view of the problems existing in the prior art, the present invention provides an adjustable friction damper, which includes a main body part, a reinforcement part connected to the main body part, and an auxiliary damping part connected to the main body part, which are specifically described as follows:

[0033] 1 - Main body part

[0034] The above-mentioned main body part includes a damper outer casing and an inner cylinder provided on the right side inside the damper outer casing. A first damping rubber block is provided on the inner side of the right end of the inner cylinder. A connecting rod is provided on the left side of the inner cylinder. A return spring is provided on the outer side of the connecting rod. A first connecting bracket is provided on the inner side of the left end of the connecting rod. A reserved perforation is opened on the inner side of the first connecting bracket. A limit pin is provided inside the reserved perforation. The first damping rubber block provided on the inner side of the right end of the inner cylinder can assist in the docking and installation between the main body part and the auxiliary damping part.

[0035] In some examples, the above-mentioned connecting rod forms an elastic telescopic structure on the above-mentioned inner cylinder through the above-mentioned return spring, and the inner surface of the right end of the above-mentioned connecting rod is in a fitting arrangement with the above-mentioned damper housing. The inner surface of the right end of the above-mentioned connecting rod is in a fitting arrangement with the above-mentioned damper housing, which can prevent the connecting rod from detaching from the connection with the damper housing.

[0036] In some examples, the above-mentioned limit pin passes through the above-mentioned connecting rod and is connected to the above-mentioned first connection bracket by means of plugging through the above-mentioned reserved perforation. The above-mentioned limit pin passes through the above-mentioned connecting rod and is connected to the above-mentioned first connection bracket by means of plugging through the above-mentioned reserved perforation, which can extend and adjust the extended length of the first connection bracket as needed.

[0037] 2 - Reinforcement part

[0038] The above-mentioned reinforcement part includes a first reinforcement connecting plate and a second reinforcement connecting plate arranged behind the above-mentioned first reinforcement connecting plate. Rubber anti-slip pads are arranged on the inner sides of both the above-mentioned first reinforcement connecting plate and the above-mentioned second reinforcement connecting plate. Adjusting bolts are arranged on the inner sides of the upper and lower ends of both the above-mentioned first reinforcement connecting plate and the above-mentioned second reinforcement connecting plate. A first rubber ring is arranged on the outer side of the front end of the above-mentioned adjusting bolt, a second rubber ring is arranged on the outer side of the rear end of the above-mentioned adjusting bolt, and an adjusting nut connected to the above-mentioned adjusting bolt is arranged behind the above-mentioned second rubber ring. A first rubber ring is arranged on the outer side of the front end of the above-mentioned adjusting bolt, and a second rubber ring is arranged on the outer side of the rear end of the above-mentioned adjusting bolt, which can enhance the tightness of the threaded connection under the action of the first rubber ring and the second rubber ring.

[0039] In some examples, both the above-mentioned first reinforcement connecting plate and the above-mentioned second reinforcement connecting plate are connected to the above-mentioned rubber anti-slip pad by means of bonding, and both the above-mentioned first reinforcement connecting plate and the above-mentioned second reinforcement connecting plate are in a fitting arrangement with the above-mentioned damper housing. Both the above-mentioned first reinforcement connecting plate and the above-mentioned second reinforcement connecting plate are in a fitting arrangement with the fixed cylinder body, which can prevent the connection between the first reinforcement connecting plate and the second reinforcement connecting plate and the fixed cylinder body from shaking under the action of the rubber anti-slip pad.

[0040] In some examples, both the above-mentioned first rubber ring and the above-mentioned second rubber ring are connected to the above-mentioned adjusting bolt by means of socketing, and the above-mentioned adjusting bolt passes through the above-mentioned first reinforcement connecting plate and the above-mentioned second reinforcement connecting plate in sequence and is connected to the above-mentioned adjusting nut by means of threading. The above-mentioned adjusting bolt passes through the above-mentioned first reinforcement connecting plate and the above-mentioned second reinforcement connecting plate in sequence and is connected to the above-mentioned adjusting nut by means of threading, which can enable the first reinforcement connecting plate and the second reinforcement connecting plate to be stably connected and installed under the action of the adjusting bolt.

[0041] 3 - Auxiliary damping part

[0042] The above-mentioned auxiliary damping part includes a connection box and a second damping rubber block arranged on the outer side of the left end of the connection box. A second connection bracket is arranged inside the connection box. A piston plate is arranged on the outer side of the middle part of the second connection bracket. An overflow hole is arranged on the inner side of the piston plate. A friction plate is arranged at the outer end edge of the piston plate. Silicone oil located inside the connection box is arranged on the outer side of the piston plate.

[0043] In some examples, the connection box and the second damping rubber block are connected by bonding. The connection box is arranged in a fitting manner with the damper housing through the second damping rubber block. The connection between the connection box and the second damping rubber block by bonding can improve the damping effect at the connection between the main body part and the auxiliary damping part under the action of the second damping rubber block.

[0044] In some examples, the second connection bracket penetrates through the connection box and is connected to the inner cylinder body by plugging through the first damping rubber block. The connection box and the damper housing are connected by threads. The connection between the connection box and the damper housing by threads can enable stable connection and installation between the main body part and the auxiliary damping part.

[0045] In some examples, the overflow holes are equidistantly arranged on the inner side of the piston plate. The inner end of the piston plate is fixedly connected to the middle part of the second connection bracket. The outer surface of the friction plate adhesively connected to the outer end of the piston plate is arranged in a fitting manner with the connection box. The equidistant arrangement of the overflow holes on the inner side of the piston plate can facilitate the circulation of silicone oil in the connection box. Embodiment 1:

[0046] Based on the above concept, as Figures 1-4 shown, in the specific application scenario of an adjustable friction damper provided by the present utility model, as Figure 4 shown, the damper includes a main body part 1, a reinforcement part 2 connected to the main body part 1, and an auxiliary damping part 3 connected to the main body part 1. Among them,

[0047] As Figure 1 shown, the main body part 1 includes a damper housing 11 and an inner cylinder body 12 arranged on the right side inside the damper housing 11. A first damping rubber block 13 is arranged on the inner side of the right end of the inner cylinder body 12. A connecting rod 15 is arranged on the left side of the inner cylinder body 12. A return spring 14 is arranged on the outer side of the connecting rod 15. A first connection bracket 16 is arranged on the inner side of the left end of the connecting rod 15. A reserved through hole 17 is arranged inside the first connection bracket 16. A limit pin 18 is arranged inside the reserved through hole 17;

[0048] AsFigure 4 As shown, the reinforcement part 2 includes a first reinforcement connecting plate 21 and a second reinforcement connecting plate 22 arranged at the rear side of the first reinforcement connecting plate 21. Rubber anti-slip pads 23 are arranged on the inner sides of both the first reinforcement connecting plate 21 and the second reinforcement connecting plate 22. Adjusting bolts 24 are arranged at the upper and lower inner ends of both the first reinforcement connecting plate 21 and the second reinforcement connecting plate 22. A first rubber ring 25 is arranged on the outer side of the front end of the adjusting bolt 24, a second rubber ring 26 is arranged on the outer side of the rear end of the adjusting bolt 24, and an adjusting nut 27 connected to the adjusting bolt 24 is arranged at the rear side of the second rubber ring 26;

[0049] As Figure 1 shown, the auxiliary damping part 3 includes a connection box 31 and a second damping rubber block 32 arranged on the outer side of the left end of the connection box 31. A second connection bracket 33 is arranged inside the connection box 31. A piston plate 34 is arranged on the outer side of the middle part of the second connection bracket 33. An overflow hole 35 is arranged on the inner side of the piston plate 34. A friction plate 36 is arranged at the outer end edge of the piston plate 34. Silicone oil 37 located inside the connection box 31 is arranged on the outer side of the piston plate 34.

[0050] In a specific application scenario, as Figure 1 shown, the connecting rod 15 forms an elastic telescopic structure on the inner cylinder 12 through a return spring 14, and the inner surface of the right end of the connecting rod 15 is in a fitting arrangement with the damper outer housing 11.

[0051] In a specific application scenario, as Figure 3 shown, the limit pin 18 passes through the connecting rod 15 and is connected to the first connection bracket 16 by means of insertion through a reserved perforation 17.

[0052] In a specific application scenario, as Figure 4 shown, both the first reinforcement connecting plate 21 and the second reinforcement connecting plate 22 are connected to the rubber anti-slip pads 23 by means of bonding, and both the first reinforcement connecting plate 21 and the second reinforcement connecting plate 22 are in a fitting arrangement with the damper outer housing 11.

[0053] In a specific application scenario, as Figure 4 shown, both the first rubber ring 25 and the second rubber ring 26 are connected to the adjusting bolt 24 by means of sleeving, and the adjusting bolt 24 passes through the first reinforcement connecting plate 21 and the second reinforcement connecting plate 22 in sequence and is connected to the adjusting nut 27 by means of threading.

[0054] In a specific application scenario, as Figure 2 shown, the connection box 31 is connected to the second damping rubber block 32 by means of bonding, and the connection box 31 is in a fitting arrangement with the damper outer housing 11 through the second damping rubber block 32.

[0055] In a specific application scenario, such as Figure 1 shown, the second connecting bracket 33 passes through the connection box 31 and is connected to the inner cylinder 12 by plugging through the first damping rubber block 13. The connection box 31 is connected to the damper outer shell 11 by threading.

[0056] In a specific application scenario, such as Figure 1 shown, the overflow holes 35 are equidistantly arranged inside the piston plate 34. The inner end of the piston plate 34 is fixedly connected to the middle part of the second connecting bracket 33. The outer surface of the friction plate 36 adhesively connected to the outer end of the piston plate 34 is in contact with the connection box 31.

[0057] Those skilled in the art can understand that the drawings are only schematic diagrams of a preferred implementation scenario, and the modules or processes in the drawings are not necessarily essential for implementing the new type.

[0058] Those skilled in the art can understand that the modules in the damper in the implementation scenario can be distributed in the damper of the implementation scenario according to the description of the implementation scenario, or can be correspondingly changed and located in one or more dampers different from this implementation scenario. The modules in the above implementation scenario can be combined into one module, or further split into multiple sub-modules.

[0059] The above disclosure is only the specific implementation scenario of the new type. However, the new type is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the new type.

Claims

1. An adjustable friction damper, comprising a main body (1), a reinforcement part (2) connected to the main body (1), and an auxiliary damping part (3) connected to the main body (1), characterized in that: The main body (1) comprises a damper outer shell (11), and an inner cylinder (12) arranged on the right side inside the damper outer shell (11); a first damping rubber block (13) is arranged on the inner side of the right end of the inner cylinder (12); a connecting rod (15) is arranged on the left side of the inner cylinder (12); a return spring (14) is arranged on the outer side of the connecting rod (15); a first connecting bracket (16) is arranged on the inner side of the left end of the connecting rod (15); a reserved through hole (17) is opened on the inner side of the first connecting bracket (16); a limit pin (18) is arranged inside the reserved through hole (17); The reinforcement portion (2) comprises a first reinforcement connecting plate (21) and a second reinforcement connecting plate (22) arranged at the rear side of the first reinforcement connecting plate (21); the inner sides of the first reinforcement connecting plate (21) and the second reinforcement connecting plate (22) are both provided with rubber anti-skid pads (23); the inner sides of the upper and lower ends of the first reinforcement connecting plate (21) and the second reinforcement connecting plate (22) are both provided with adjustment bolts (24); the outer side of the front end of the adjustment bolt (24) is provided with a first rubber ring (25); the outer side of the rear end of the adjustment bolt (24) is provided with a second rubber ring (26); the rear side of the second rubber ring (26) is provided with an adjustment nut (27) connected to the adjustment bolt (24); The auxiliary damping part (3) comprises a connection box (31), and a second damping rubber block (32) arranged on the outer side of the left end of the connection box (31); a second connection bracket (33) is arranged inside the connection box (31); a piston plate (34) is arranged on the outer side of the middle part of the second connection bracket (33); an overflow hole (35) is opened on the inner side of the piston plate (34); a friction plate (36) is arranged at the outer edge of the piston plate (34); and silicone oil (37) located on the inner side of the connection box (31) is arranged on the outer side of the piston plate (34).

2. An adjustable friction damper as claimed in claim 1, characterized in that: The connecting rod (15) forms an elastic telescopic structure on the inner column (12) through the return spring (14), and the inner surface of the right end of the connecting rod (15) is arranged in close contact with the outer shell (11) of the damper.

3. An adjustable friction damper as claimed in claim 1, characterized in that: The limiting latch (18) passes through the connecting rod (15) and is connected to the first connecting bracket (16) through the reserved through hole (17) by plugging.

4. An adjustable friction damper as claimed in claim 1, characterized in that: The first reinforcement connecting plate (21) and the second reinforcement connecting plate (22) are both connected to the rubber anti-skid pad (23) by means of bonding, and the first reinforcement connecting plate (21) and the second reinforcement connecting plate (22) are both arranged in close contact with the damper outer shell (11).

5. An adjustable friction damper as claimed in claim 1, characterized in that: The first rubber ring (25) and the second rubber ring (26) are both connected to the adjustment bolt (24) in a sleeve-type manner, and the adjustment bolt (24) sequentially passes through the first reinforcement connection plate (21) and the second reinforcement connection plate (22) and is respectively connected to the adjustment nut (27) in a threaded manner.

6. An adjustable friction damper as claimed in claim 1, characterized in that: The connection box (31) and the second damping rubber block (32) are connected by bonding, and the connection box (31) is arranged in a close fit with the damper outer shell (11) via the second damping rubber block (32).

7. An adjustable friction damper as claimed in claim 1, characterized in that: The second connection bracket (33) passes through the connection box (31) and is connected to the inner column (12) by plugging through the first damping rubber block (13); the connection box (31) is connected to the damper outer shell (11) by threading.

8. An adjustable friction damper as claimed in claim 1, characterized in that: The overflow holes (35) are equidistantly formed on the inner side of the piston plate (34); the inner end of the piston plate (34) is fixedly connected to the middle of the second connecting bracket (33); and the outer surface of the friction plate (36) bonded to the outer end of the piston plate (34) is fitted with the connecting box (31).

Images