CN220890763U - Damping-adjustable rotating shaft structure - Google Patents
Damping-adjustable rotating shaft structure Download PDFInfo
- Publication number
- CN220890763U CN220890763U CN202322060965.7U CN202322060965U CN220890763U CN 220890763 U CN220890763 U CN 220890763U CN 202322060965 U CN202322060965 U CN 202322060965U CN 220890763 U CN220890763 U CN 220890763U
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- friction plate
- connecting rod
- fixed friction
- disc spring
- respectively provided
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model provides a damping-adjustable rotating shaft structure, which relates to the technical field of rotating shaft structures and comprises a first connecting rod and a second connecting rod, wherein the two ends of the first connecting rod are respectively provided with a first mounting hole in a penetrating way, the two ends of the second connecting rod are respectively provided with a second mounting hole in a penetrating way, the interiors of the first mounting holes are respectively symmetrically embedded and connected with a movable block, the interiors of the second mounting holes are respectively symmetrically embedded and connected with a movable block, the interiors of the four movable blocks are respectively provided with a sliding groove, and the surfaces of the four sliding grooves are respectively connected with a limiting rod in a penetrating way.
Description
Technical Field
The utility model relates to the technical field of rotating shaft structures, in particular to a damping-adjustable rotating shaft structure.
Background
The shaft is used for bearing bending moment and torque in rotation operation as the name implies, in mechanical parts, the shaft is needed in many places, for example, the joint of the display screen support frame is provided with a shaft mechanism, the angle of the display screen is adjusted through the shaft mechanism, the adjusting mode is limited by adopting a screw tightening mode, and rotation adjustment is carried out when unscrewing.
But among the prior art, the damping of some traditional pivot structures can't have more user's demand to adjust, simultaneously, some traditional pivot mechanisms are in the state of screwing up and receive when rotating the regulation, can drive the nut of screwed connection department and rotate, lead to becoming flexible, influence the use of pivot structure.
Disclosure of utility model
The utility model aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an adjustable damped pivot structure, includes connecting rod one and connecting rod two, first mounting hole has all been run through to the both ends of connecting rod one, second mounting hole has all been run through to the both ends of connecting rod two, two the inside of first mounting hole is all symmetrically inlayed and is connected with the movable block, two the inside of second mounting hole is all symmetrically inlayed and is connected with the movable block, four the spout has all been seted up to the inside of movable block, four the surface of spout is all run through and is connected with the gag lever post, four the one end homogeneous body shaping of gag lever post has the fixed block.
As a preferred implementation mode, one end of each of the four limiting rods far away from the fixed block is uniformly and integrally formed with a threaded section, a first fixed friction plate is sleeved on the surface of each limiting rod and is positioned in the sliding groove, and the diameter of the first fixed friction plate is identical to the inner diameter of the sliding groove.
The technical effect of adopting the further scheme is as follows: and the friction force with the disc spring and the effect of guiding movement are achieved.
As a preferable implementation mode, the surface of the limiting rod is sleeved and connected with a second fixed friction plate, the second fixed friction plate is positioned in the sliding groove, and the diameter of the second fixed friction plate is the same as the inner diameter of the sliding groove.
The technical effect of adopting the further scheme is as follows: the friction effect with the disc spring is achieved.
As a preferable implementation mode, the surface of the limiting rod is sleeved with a disc spring, the disc spring is located in the sliding groove, the diameter of the disc spring is the same as the inner diameter of the sliding groove, and the disc spring is located between the first fixed friction plate and the second fixed friction plate.
The technical effect of adopting the further scheme is as follows: and the torsion is generated to play a damping effect.
As a preferred embodiment, the surface of the thread section is connected with a self-locking nut in a meshed manner.
The technical effect of adopting the further scheme is as follows: playing the role of changing damping during adjustment.
As a preferred implementation mode, the surface of the first connecting rod is provided with two through holes in a penetrating mode, the surface of the second connecting rod is provided with another two through holes in a penetrating mode, a fixing rod is embedded between opposite faces of the two symmetrical through holes, and two ends of the fixing rod are both connected with fixing bolts in a threaded mode.
The technical effect of adopting the further scheme is as follows: the first connecting rod and the second connecting rod are achieved.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. According to the utility model, through the combined use of the sliding groove, the limiting rod, the fixed block, the thread section, the first fixed friction plate, the second fixed friction plate and the disc spring, when damping needs to be changed, the position of the self-locking nut relative to the fixed block is adjusted, so that the threshold value when the torsion of the disc spring and the torsion of the second fixed friction plate, which are easy to fix, of the disc spring are equal, is changed, and further the damping is changed;
2. According to the self-locking nut, the threaded section, the disc spring and the self-locking nut are matched, so that force generated by meshing of the self-locking nut and the threaded section and thrust generated by the disc spring on the self-locking nut are eliminated during vibration, and meanwhile, the fixed friction plate II also has the effect of a gasket between the self-locking nut and the disc spring, so that loosening of a connecting device caused by multiple adjustment of the self-locking nut is avoided, and the service life and daily use of the device are prevented from being reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a damping-adjustable spindle structure according to the present utility model;
FIG. 2 is a schematic diagram of a connection structure of a damping-adjustable spindle structure according to the present utility model;
FIG. 3 is a schematic diagram of a damper with a damping-adjustable spindle structure according to the present utility model;
Fig. 4 is an enlarged schematic view of fig. 1A of a damping-adjustable spindle structure according to the present utility model.
Legend description: 1. a first connecting rod; 2. a second connecting rod; 3. a first mounting hole; 4. a second mounting hole; 5. a movable block; 6. a chute; 7. a limit rod; 8. a fixed block; 9. a threaded section; 10. fixing the first friction plate; 11. fixing a second friction plate; 12. a disc spring; 13. a self-locking nut; 14. a through hole; 15. a fixed rod; 16. and (5) fixing bolts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an adjustable damped pivot structure, including connecting rod 1 and connecting rod 2, the mounting hole 3 has all been run through to the both ends of connecting rod 1, the mounting hole 4 has all been run through to the both ends of connecting rod 2, the inside of two mounting holes 3 is all symmetrically inlayed and is connected with movable block 5, the inside of two mounting holes 4 is all symmetrically inlayed and is connected with movable block 5, spout 6 has all been seted up to the inside of four movable blocks 5, the surface of four spouts 6 all runs through and is connected with gag lever post 7, the equal integrated into one piece of one end of four gag lever posts 7 has fixed block 8.
As shown in fig. 3, the threaded sections 9 are integrally formed at one ends of the four limit rods 7 far away from the fixed block 8, the first fixed friction plate 10 is sleeved on the surface of the limit rod 7, the first fixed friction plate 10 is located in the sliding groove 6, the diameter of the first fixed friction plate 10 is the same as the inner diameter of the sliding groove 6, and the effects of friction force generation and movement guiding with the disc spring 12 are achieved.
As shown in fig. 3, the surface of the limit rod 7 is sleeved with a second fixed friction plate 11, the second fixed friction plate 11 is located inside the sliding groove 6, and the diameter of the second fixed friction plate 11 is the same as the inner diameter of the sliding groove 6, so that friction effect with the disc spring 12 is achieved.
As shown in fig. 3, the surface of the limit rod 7 is sleeved with a disc spring 12, the disc spring 12 is located inside the chute 6, the diameter of the disc spring 12 is the same as the inner diameter of the chute 6, and the disc spring 12 is located between the first fixed friction plate 10 and the second fixed friction plate 11, so that torsion is generated to play a damping effect.
As shown in fig. 3, the surface of the thread section 9 is connected with a self-locking nut 13 in a meshed manner, so that the damping effect is changed during adjustment.
As shown in fig. 1 and 2, two through holes 14 are formed in the surface of the first connecting rod 1, another two through holes 14 are formed in the surface of the second connecting rod 2, fixing rods 15 are embedded between opposite surfaces of the two symmetrical through holes 14, and fixing bolts 16 are screwed at two ends of the two fixing rods 15, so that the first connecting rod 1 and the second connecting rod 2 are achieved.
Working principle: when the utility model is used, four fixed blocks 8 are required to be respectively connected in a device which is required to be connected with a first connecting rod 1 and a second connecting rod 2 in a rotating shaft way, when the rotating shafts move, the fixed blocks 8 are fixed in the device which is connected with the first connecting rod 1 and the second connecting rod 2 and do not move, the movable block 5 rotates around the limiting rod 7 on the surface of the fixed blocks 8, and as the first fixed friction plate 10 and the second fixed friction plate 11 are fixed on the surface of the disc spring 12, when the movable block 5 rotates, the disc spring 12 rotates along with the movable block 5, but is influenced by the friction force of the first fixed friction plate 10 and the second fixed friction plate 11, when the disc spring 12 rotates to a certain extent, when the torsion of the disc spring 12 is equal to the torsion of the first fixed friction plate 10 and the second fixed friction plate 11 to the disc spring 12, the effect of damping the rotation is achieved, if the magnitude of damping needs to be changed, only the torsion magnitude of the disc spring 12 needs to be changed, and further, when the self-locking nut 13 moves towards the direction close to the fixed block 8, the damping becomes larger, and similarly, when the self-locking nut 13 moves towards the direction far away from the fixed block 8, the damping is small, meanwhile, in daily use, in the process of adjusting the tightness of the self-locking nut 13, the force generated by the meshing of the self-locking nut 13 and the thread section 9 can offset the force exerted by the disc spring 12 on the self-locking nut 13, so that the loosening of the self-locking nut 13 caused by the repeated adjustment of the self-locking nut 13 is avoided, by the combined use of the sliding groove 6, the limiting rod 7, the fixed block 8, the thread section 9, the first fixed friction plate 10, the second fixed friction plate 11 and the disc spring 12, when the damping needs to be changed, the position of the self-locking nut 13 relative to the fixed block 8 is adjusted, therefore, when the torsion of the disc spring 12 and the torsion of the first fixed friction plate 10 and the second fixed friction plate 11 to the disc spring 12 are equal, the threshold value is changed, and further damping is changed, meanwhile, through the matched use of the threaded section 9, the disc spring 12 and the self-locking nut 13, the force generated by the engagement of the self-locking nut 13 and the threaded section 9 and the thrust of the disc spring 12 to the self-locking nut 13 are counteracted when the disc spring 12 vibrates, meanwhile, the second fixed friction plate 11 also has the effect of a gasket between the self-locking nut 13 and the disc spring 12, the looseness of a connecting device caused by the fact that the self-locking nut 13 is adjusted for many times is avoided, and the service life and daily use of the device are prevented from being reduced.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (2)
1. The utility model provides a pivot structure of adjustable damping, includes connecting rod one (1) and connecting rod two (2), its characterized in that: the two ends of the first connecting rod (1) are respectively provided with a first mounting hole (3) in a penetrating manner, the two ends of the second connecting rod (2) are respectively provided with a second mounting hole (4) in a penetrating manner, the interiors of the first mounting holes (3) are respectively symmetrically embedded and connected with a movable block (5), the interiors of the second mounting holes (4) are respectively symmetrically embedded and connected with a movable block (5), the interiors of the movable blocks (5) are respectively provided with a sliding groove (6), the surfaces of the sliding grooves (6) are respectively provided with a limiting rod (7) in a penetrating manner, one ends of the limiting rods (7) are respectively provided with a fixed block (8) in a penetrating manner, one ends of the limiting rods (7) far away from the fixed blocks (8) are respectively provided with a threaded section (9) in a uniform manner, the surfaces of the limiting rods (7) are respectively sleeved and connected with a first fixed friction plate (10), and the first fixed friction plate (10) is positioned in the sliding grooves (6), and the diameter of the first fixed friction plate (10) is identical with the inner diameter of the sliding grooves (6);
The surface of the limiting rod (7) is sleeved and connected with a second fixed friction plate (11), the second fixed friction plate (11) is positioned in the sliding groove (6), and the diameter of the second fixed friction plate (11) is the same as the inner diameter of the sliding groove (6);
The surface of the limiting rod (7) is sleeved and connected with a disc spring (12), the disc spring (12) is positioned in the sliding groove (6), the diameter of the disc spring (12) is the same as the inner diameter of the sliding groove (6), and the disc spring (12) is positioned between the first fixed friction plate (10) and the second fixed friction plate (11);
the surface of the thread section (9) is connected with a self-locking nut (13) in a meshed manner.
2. The adjustable damping rotary shaft structure according to claim 1, wherein: two through holes (14) are formed in the surface of the first connecting rod (1) in a penetrating mode, another two through holes (14) are formed in the surface of the second connecting rod (2) in a penetrating mode, fixing rods (15) are connected between opposite faces of the two symmetrical through holes (14) in an embedded mode, and fixing bolts (16) are connected to two ends of the fixing rods (15) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060965.7U CN220890763U (en) | 2023-08-02 | 2023-08-02 | Damping-adjustable rotating shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060965.7U CN220890763U (en) | 2023-08-02 | 2023-08-02 | Damping-adjustable rotating shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890763U true CN220890763U (en) | 2024-05-03 |
Family
ID=90866873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322060965.7U Active CN220890763U (en) | 2023-08-02 | 2023-08-02 | Damping-adjustable rotating shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890763U (en) |
-
2023
- 2023-08-02 CN CN202322060965.7U patent/CN220890763U/en active Active
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