CN220286196U - Adjustable damping shaft capable of being stopped at will - Google Patents
Adjustable damping shaft capable of being stopped at will Download PDFInfo
- Publication number
- CN220286196U CN220286196U CN202220560419.2U CN202220560419U CN220286196U CN 220286196 U CN220286196 U CN 220286196U CN 202220560419 U CN202220560419 U CN 202220560419U CN 220286196 U CN220286196 U CN 220286196U
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- Prior art keywords
- shaft
- conical
- damping
- diameter extension
- nut
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- 238000013016 damping Methods 0.000 title claims abstract description 86
- 239000000314 lubricant Substances 0.000 claims description 23
- 230000005484 gravity Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model discloses an arbitrarily-stopped adjustable damping shaft, which comprises a conical shaft (2), an extension shaft (14), an extension shaft (13), a conical sleeve (4), a flat hole gasket (3), an elastic gasket group (5) and a nut (6), wherein the conical shaft (2) is fixed on a component (10) through the extension shaft (14), the conical sleeve (4) is matched with the conical shaft (2), the extension shaft (13) is a flat shaft, one end of the conical shaft (2) is sequentially sleeved with the conical sleeve (4), the flat hole gasket (3), the gasket group (5) and the nut (6), the damping force is controlled by the adjusting nut (6), and a wear adjustment allowance gap [ mu ] is arranged between the conical sleeve (4) and the variable diameter boundary of the component (10) and the conical shaft (2) respectively. Its advantages are stable performance and long service life.
Description
Technical field:
the utility model relates to an arbitrarily-stopped adjustable damping shaft. The utility model discloses a split application aiming at an arbitrary stop adjustable damping shaft with the original application number 2020227463506 of the application date 2020.11.25.
The background technology is as follows:
any damping shaft capable of being stopped and adjusted in the market at present is commonly used for adjusting the angle of an arm joint of a computer, a mobile phone, a lamp holder, a reading frame, a hinge and an instrument device. The damping shaft mainly comprises a sleeve ring, a bolt shaft, a gasket, a nut and the like, all the components are connected with the shaft in series, the nut is rotated, the friction force between the sleeve ring and the gasket is adjusted, and the bolt shaft and the sleeve ring are components which are respectively connected with other components when the damping shaft is actually applied. The damping contact surface is a plane, a lubrication system is not needed, and the damping material is worn more.
The utility model comprises the following steps:
1. in order to solve the technical problems existing in the prior art that the damping shaft is stopped at will, the measures of the utility model are mainly as follows: the damping torque is synthesized by two damping surfaces of a conical curved surface or a plane, an elastic washer group or a spring is arranged for stabilizing damping force, and meanwhile, a damping force adjusting structure is improved; the damping contact surface is determined by the material property and the use environment of the damping shaft, and lubrication measures are adopted or not adopted. The technical route of the utility model is as follows: the damping shaft main components comprise a conical shaft, a conical shaft extension shaft, a conical sleeve and a nut, wherein the conical shaft is matched with the conical sleeve, and the conical shaft is fixedly connected with the conical shaft extension shaft or is made into a whole. The axial force is controlled, so that the contact tightness of the friction surface of the conical shaft and the conical sleeve is controlled, and the damping force is adjusted. The conical shaft and the conical sleeve are parts which are respectively connected with other external parts when the damping shaft is actually used, wherein the external parts are schematic parts which are connected with the external parts when the damping shaft is actually used, and the specific configuration depends on the external application conditions. Due to the configuration of the tapered shaft, it is particularly suitable for providing a lubricant or damping oil passage system thereon, providing lubrication to the friction surfaces of the tapered shaft and tapered sleeve, for improved performance stability and service life of the damping shaft.
The combination mode of the damping shaft and other external parts is that when the dynamic fit is adopted, namely the sliding connection, the external parts are called shoulders, and the function of the shoulders is that the conical shaft or the conical sleeve can slide in the shoulders; and secondly, adopting fixed combination.
The damping force is adjusted or achieved in two ways:
a. rotating the nut; b. using gravity carried by the tapered sleeve or tapered shaft.
The technical scheme is as follows: the utility model provides an arbitrary stop adjustable damping axle, conical shaft and conical sleeve phase-match, conical shaft's wide diameter extension axle and narrow diameter extension axle are the axle sleeve and match with the shoulder respectively, and conical shaft's narrow diameter extension axle is threaded, and the nut is with it phase-match, rotates the nut, adjusts damping force, be equipped with the slot on the conical shaft, be provided with the protrusion that is not less than 1 in the shoulder hole, with conical shaft's last slot phase-match that sets up, through positive and negative rotation nut, adjust damping force size.
The length of the wide diameter extension shaft of the tapered shaft exceeding the shoulder is L, the length of the narrow diameter extension shaft of the tapered shaft between the tapered shaft and the shoulder is mu, the initial design L is more than or equal to mu, mu is a reserved gap, when mu=0, the service life is reached, and an elastic washer group can be arranged between the shoulder and the nut.
The conical shaft is formed by connecting an axle center hole and at least one radial hole, the radial hole on the surface of the conical shaft is provided with an annular groove communicated with the radial hole of the radial lubricant or damping oil passage, the end part of the conical shaft is provided with a screw plug valve for sealing the lubricant or damping oil passage, and the screw plug valve can be used for pressurizing injection agent in the lubricant or damping oil passage.
For the condition that the tapered shaft is supported on one side, the tapered shaft is fixed on an external part through a wide-diameter extension shaft, the tapered sleeve is matched with the tapered shaft, the narrow-diameter extension shaft is a flat shaft, one end of the tapered shaft is sequentially sleeved with the tapered sleeve, a flat hole gasket, an elastic gasket group and a nut, the damping force is controlled by adjusting the nut, and a wear adjustment allowance gap mu is arranged between two end faces of the tapered sleeve and the reducing boundary of the external part and the tapered shaft respectively.
Depending on the material properties and the environment of use of the damping shaft, the conical shaft may be provided with a lubricant or damping oil passage, which is a system of lubricant or damping oil passages provided on the conical shaft. Is composed of a longitudinal axle center hole and at least one radial hole. In order to increase the lubrication damping effect, surface grooves which are communicated with radial lubricant or damping oil passages can be arranged on the surface of the conical shaft. In order to provide the lubrication system with a filler seal, a screw plug valve for filler sealing may be provided at the end of the longitudinal bore of the tapered shaft, by means of which the filler in the lubricant or damping oil passage may be pressurized.
The second technical scheme is as follows: an arbitrary stop adjustable damping shaft, the conical shaft cooperatees with the conical sleeve barrel, utilizes gravity to act on and forms damping force, be provided with the cavity between conical sleeve barrel and the conical shaft.
The conical sleeve barrel is provided with a valve communicated with the cavity, the cavity is used as a lubricant storage and/or abrasion allowance gap, the wide-diameter extension shaft is a flat shaft, a flat hole gasket, a spring and a nut are sleeved on the wide-diameter extension shaft, the damping force of the nut is balanced by rotating the nut, a lubricant or damping oil passage is arranged on the surface of the conical shaft, and the spring can be replaced by an elastic gasket group.
The beneficial effects of the utility model are as follows: the device has wide application, can be used for angle adjustment of a support frame of a computer, a mobile phone, a camera, a lamp and the like and a hinge, has small conical damping shaft volume, can relatively obtain larger damping, and can reduce abrasion, improve performance stability and prolong service life if a lubricating system is adopted.
Description of the drawings:
fig. 1 and 2 are schematic diagrams of an arbitrary stop-adjustable damping shaft structure, and fig. 2 is a top view of fig. 1.
Fig. 3 and 4 are schematic views of an arbitrary stop-adjustable damping shaft structure, and fig. 4 is a left side view of fig. 3.
FIG. 5 is a schematic view of an arbitrarily-stopped adjustable damping shaft for vertical use.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to the drawings:
as shown in fig. 1 and 2, the first embodiment of the present utility model comprises a shoulder 1, a tapered shaft 2, wherein the tapered shaft 2 comprises a narrow-diameter extension shaft 13, a wide-diameter extension shaft 14, a tapered sleeve 4 and a nut 6, the tapered shaft 2 is connected with other external components through the narrow-diameter extension shaft 13, the wide-diameter extension shaft 14 and the tapered sleeve 4 when the damping shaft is actually used, the tapered shaft 2 is matched with the tapered sleeve 4, and the narrow-diameter extension shaft 13 and the wide-diameter extension shaft 14 of the tapered shaft 2 are in movable fit with the shoulder 1. The shoulder 1, the conical sleeve 4 and the nut 6 are sleeved on the conical shaft 2. The conical shaft 2 is provided with a longitudinal groove 9, a shoulder 1, a large hole and a small hole, wherein at least 1 protrusion is arranged in the hole and matched with the longitudinal groove 9, the nut 6 is adjusted on one side, and the damping size is adjusted by rotating the nut 6 positively and negatively. To increase the stability of the damping force, an elastic washer set 5 may be provided between the shoulder 1 and the bolt 6.
The conical shaft 2 may be provided with a lubrication system according to practical needs.
The axial center of the conical shaft 2 is provided with a lubricant or damping oil passage 7 which is formed by communicating an axial center hole with at least one radial hole, and the position of the opening on the surface of the conical shaft 2 of the radial hole is required to avoid the groove 9.
Further, an annular groove communicating with the radial holes of the radial lubricant or damping oil passage 7 may be provided on the surface of the tapered shaft 2.
The end of the conical shaft 2, which is located outside the circular hole, is provided with a bolt plug valve 8 for sealing the lubricant or damping oil passage, and the bolt plug valve 8 has a function of pressurizing the lubricant or damping oil passage.
As shown in fig. 3 and 4: the second embodiment of the utility model comprises a conical shaft 2, wherein the conical shaft 2 comprises a wide-diameter extension shaft 14, a narrow-diameter extension shaft 13, a conical sleeve 4, a flat hole gasket 3, an elastic gasket group 5 and a nut 6, the conical shaft 2 and the conical sleeve 4 are parts which are respectively connected with other external parts when the damping shaft is actually used, the conical shaft 2 is matched with the conical sleeve 4, the conical shaft 2 is fixed on the part 10 through the extension shaft 14, the narrow-diameter extension shaft 13 is made into a flat bolt, and the conical sleeve 4, the flat hole gasket 3, the elastic gasket group 5 and the nut 6 are sleeved on the conical shaft 2. A clearance μ for adjusting the wear is provided between the two end surfaces of the tapered sleeve 4 and the outer member 10 and the tapered boundary between the tapered sleeve and the tapered shaft 2. The damping size is adjusted by rotating the nut 6 in the forward and reverse directions. When μ=0, the service life is reached and the elastic washer set 5 can be replaced by a spring.
As shown in fig. 5: the third embodiment of the utility model is an arbitrary stop-adjustable damping shaft used vertically or obliquely, comprising a conical shaft 2, wherein the conical shaft 2 comprises a wide-diameter extension shaft 14, a gasket 3, a sleeve 12, a spring 11 and a nut 6, the conical shaft 2 and the conical shaft wide-diameter extension shaft 14 are fixedly combined or made into a whole, the conical shaft 2 and the sleeve 12 are components which are respectively connected with other external components when the damping shaft is actually used, when the arbitrary stop-adjustable damping shaft is used vertically or obliquely, a required damping force is formed, the conical shaft 2 is matched with the conical sleeve 4, a closed cavity 15 is formed between the conical shaft 2 and the conical sleeve 12, and the cavity 15 is an oil storage chamber or a wear allowance gap. When the valve is assembled, the cavity 15 can be filled with lubricant or damping oil, or the lubricant or damping oil enters the cavity 15 from the valve 8 through the oil way 7 on the conical sleeve 12, and the oil way 7 on the surface of the conical shaft 2 is communicated with the cavity 15, so that a good lubricating damping effect can be obtained. If the gravity is proper, the procedures of processing the threads and the like of the tapered shaft wide-diameter extension shaft 14 can be omitted, and the flat hole gasket 3, the nut 6, the spring 11 and other parts can be omitted, thereby greatly reducing the manufacturing cost. If the gravity is too large and exceeds the requirement range of damping force, the spring 11 can be sleeved at the position of the wide-diameter extension shaft 14, the excessive gravity is counteracted by using elastic force, the parts of the spring are flat bolts, and the elastic force of the spring 11 can be adjusted by rotating the nut 6. During assembly, the nut 6, the flat hole gasket 3, the spring 11 and the flat hole gasket 3 are assembled in sequence, sleeved into the sleeve 12 and pressed. The spring 11 may be replaced by an elastic washer set 5.
In the drawings of the present specification, the shape of the outer member 10 is schematically represented, and its specific configuration is determined according to the actual use condition.
The recombination and collocation of various parts or authorities among the different technical embodiments are all within the scope of the utility model.
Claims (8)
1. An arbitrary stop adjustable damping axle, its characterized in that: the damping device comprises a conical shaft (2), wherein the conical shaft (2) comprises a wide-diameter extension shaft (14) and a narrow-diameter extension shaft (13), a conical sleeve (4), the conical shaft (2) is matched with the conical sleeve (4), the conical shaft (2) is fixedly connected with the wide-diameter extension shaft (14) and the narrow-diameter extension shaft (13) of the conical shaft (2) or is integrally manufactured, and the contact tightness of friction surfaces of the conical shaft (2) and the conical sleeve (4) is changed by applying axial force, so that the damping force is adjusted.
2. An arbitrarily stopped adjustable damping shaft according to claim 1, wherein: the conical shaft (2) is provided with a lubricant or damping oil passage (7) for supplying lubricant or damping oil to the contact surface of the conical shaft (2) and the conical sleeve (4).
3. An arbitrarily stopped adjustable damping shaft according to claim 1, wherein: the conical shaft (2) is matched with the conical sleeve (4), the wide diameter extension shaft (14) and the narrow diameter extension shaft (13) of the conical shaft (2) are respectively in shaft sleeve with the shoulder (1) and are matched with the shoulder (1), the narrow diameter extension shaft (13) of the conical shaft (2) is provided with threads, the nut (6) is matched with the threaded shaft, the nut (6) is rotated to adjust damping force, the conical shaft (2) is provided with grooves (9), the holes of the shoulder (1) are internally provided with at least 1 protrusion, the protrusions are matched with the grooves (9) arranged on the conical shaft (2), and the damping size is adjusted by positively and negatively rotating the nut (6).
4. An arbitrarily stopped adjustable damping shaft according to claim 3, wherein: the length of the wide-diameter extension shaft (14) of the tapered shaft (2) exceeding the shoulder (1) is L, the length of the narrow-diameter extension shaft (13) of the tapered shaft (2) between the tapered shaft (2) and the shoulder (1) is mu, the initial design L is more than or equal to mu, mu is a reserved gap, when mu=0, the service life is reached, and an elastic washer group (5) can be arranged between the shoulder (1) and the nut (6).
5. An arbitrarily stopped adjustable damping shaft according to claim 3, wherein: the conical shaft (2) is formed by connecting an axle center hole and at least one radial hole, the radial hole on the surface of the conical shaft (2) is provided with an annular groove communicated with the radial hole of the radial lubricant or damping oil passage (7), the end part of the conical shaft (2) is provided with a bolt plug valve (8) for sealing the lubricant or damping oil passage, and the lubricant or damping oil passage is pressurized by the bolt plug valve (8).
6. An arbitrarily stopped adjustable damping shaft according to claim 3, wherein: the conical shaft (2) is fixed on an external part (10) through a wide-diameter extension shaft (14), the conical sleeve (4) is matched with the conical shaft (2), a narrow-diameter extension shaft (13) is a flat shaft, one end of the conical shaft (2) is sequentially sleeved with the conical sleeve (4), the flat hole gasket (3), the elastic gasket group (5) and the nut (6), the damping force is controlled by the adjusting nut (6), and a wear adjustment allowance gap mu is arranged between two end faces of the conical sleeve (4) and the reducing boundary of the external part (10) and the conical shaft (2) respectively.
7. An arbitrarily stopped adjustable damping shaft according to claim 1, wherein: the conical sleeve barrel (12) is matched with the conical shaft (2), a damping force is formed by utilizing the action of gravity, and a cavity (15) is arranged between the conical sleeve barrel (12) and the conical shaft (2).
8. An arbitrarily stopped adjustable damping shaft as claimed in claim 7 wherein: the conical sleeve barrel (12) is provided with a valve (8) communicated cavity (15), the cavity (15) is used as a lubricant storage and/or abrasion allowance gap, a wide-diameter extension shaft (14) is a flat shaft, a flat hole gasket (3), a spring (11) and a nut (6) are sleeved on the wide-diameter extension shaft (14), the nut (6) is rotated to balance damping force, a lubricant or damping oil passage (7) is arranged on the surface of the conical shaft (2), and the spring (11) is replaced by an elastic gasket group (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220560419.2U CN220286196U (en) | 2020-11-25 | 2020-11-25 | Adjustable damping shaft capable of being stopped at will |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220560419.2U CN220286196U (en) | 2020-11-25 | 2020-11-25 | Adjustable damping shaft capable of being stopped at will |
| CN202022746350.6U CN216768076U (en) | 2020-11-25 | 2020-11-25 | Adjustable damping shaft capable of stopping at will and reading rack |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022746350.6U Division CN216768076U (en) | 2020-11-25 | 2020-11-25 | Adjustable damping shaft capable of stopping at will and reading rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286196U true CN220286196U (en) | 2024-01-02 |
Family
ID=81955339
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220560419.2U Active CN220286196U (en) | 2020-11-25 | 2020-11-25 | Adjustable damping shaft capable of being stopped at will |
| CN202022746350.6U Active CN216768076U (en) | 2020-11-25 | 2020-11-25 | Adjustable damping shaft capable of stopping at will and reading rack |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022746350.6U Active CN216768076U (en) | 2020-11-25 | 2020-11-25 | Adjustable damping shaft capable of stopping at will and reading rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN220286196U (en) |
-
2020
- 2020-11-25 CN CN202220560419.2U patent/CN220286196U/en active Active
- 2020-11-25 CN CN202022746350.6U patent/CN216768076U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN216768076U (en) | 2022-06-17 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |