CN215333944U - Damping connection structure and lamp - Google Patents
Damping connection structure and lamp Download PDFInfo
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- CN215333944U CN215333944U CN202121211421.0U CN202121211421U CN215333944U CN 215333944 U CN215333944 U CN 215333944U CN 202121211421 U CN202121211421 U CN 202121211421U CN 215333944 U CN215333944 U CN 215333944U
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- adjuster
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- 238000013016 damping Methods 0.000 title claims abstract description 32
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model is suitable for the field of object connection, and provides a damping connection structure and a lamp. This damping connection structure includes: the central shaft is used for sequentially penetrating through a first rotating body and a second rotating body, the first rotating body can rotate around the central shaft, the second rotating body can move along the linear direction of the central shaft and rotate along with the central shaft, one end of the central shaft is provided with a clamping part, and the clamping part can be clamped on the first rotating body; a flexible elastic member disposed between the locking portion and the first rotating body; the first pre-tightening device is arranged on the central shaft and provides resistance to the relative rotation of the first rotating body and the second rotating body; and an adjuster which is movably provided at the other end of the center shaft and is locked to the second rotating body, wherein when the adjuster moves in the direction of the locking part, the second rotating body moves toward the locking part, and the resistance increases. The damping connection structure is compact in structure, can avoid object shaking in the vertical direction and swinging in the horizontal direction, and is good in product performance and long in service life.
Description
Technical Field
The utility model belongs to the field of object connection, and particularly relates to a damping connection structure and a lamp.
Background
The damping connection structure can enable the object to stay at the current rotated angle, so that the damping connection structure is widely applied to various occasions. The damping structure is connected with two objects which can rotate relatively, so a central shaft is needed to be arranged to connect the two objects. The center shaft of the existing damping structure is horizontally arranged according to different products, such as a notebook, and is vertically arranged, such as a lamp head which can horizontally rotate and hang in some lamps. The structure of the vertical setting of center pin is in the use, because the action of gravity of object uses a period of back, makes easily to produce the clearance in the direction of gravity, consequently leads to the object to rock and the swing of horizontal direction on vertical direction easily to influence product quality.
SUMMERY OF THE UTILITY MODEL
The utility model provides a damping connection structure, and aims to solve the problems that in the prior art, objects connected through damping in a vertical arrangement mode easily generate gaps under the action of gravity, so that the objects swing in the vertical direction and swing in the horizontal direction.
The present invention is achieved as described above, and a damping connection structure, characterized by comprising:
a central shaft, which is used for sequentially penetrating a first rotating body and a second rotating body, wherein the first rotating body can rotate around the central shaft, the second rotating body can move along the line direction of the central shaft and rotate along with the central shaft, one end of the central shaft is provided with a clamping part, and the clamping part can be clamped on the first rotating body;
a flexible elastic member interposed between the locking portion and the first rotating body;
the first pre-tightening device is arranged on the central shaft and provides resistance to the relative rotation of the first rotating body and the second rotating body;
and an adjuster that is movably provided at the other end of the center shaft and is locked to the second rotating body, wherein when the adjuster moves in the direction of the locking portion, the second rotating body moves toward the locking portion, and the resistance increases.
Furthermore, a rotating part capable of rotating around the central shaft is sleeved on the central shaft, a first step is arranged on the central shaft, one side of the rotating part, close to the clamping part, can be abutted against the first step, and the first rotating part is fixed on the rotating part.
Furthermore, a first limiting part is arranged on the rotating part, and a second limiting part matched with the first limiting part is arranged on the first rotating part.
Further, a first wear-resistant part is arranged between the first step and the rotating part, and the first wear-resistant part is fixed on the central shaft.
Further, the method comprises the following steps:
and a first pre-tightening device which is sleeved on the central shaft and is positioned between the first rotating body and the second rotating body, when the adjusting piece moves towards the clamping part, the adjusting piece pushes the second rotating body to move towards the first rotating body, and the pre-tightening force of the first pre-tightening device is increased so as to increase the resistance between the first rotating body and the second rotating body.
Furthermore, the damping connection structure further comprises a second pre-tightening device, the second pre-tightening device is sleeved on the central shaft and located between the adjusting piece and the second rotating body, when the adjusting piece moves towards the clamping part, the adjusting piece pushes the second rotating body to move towards the first rotating body, and the pre-tightening force of the second pre-tightening device is increased.
Further, the center shaft is provided with a second step, and the second pretensioner can be locked to the second step when the adjuster moves in the direction of the locking portion.
Furthermore, a second wear-resistant piece is sleeved on the central shaft, the second wear-resistant piece is located between the flexible elastic piece and the clamping part, the second wear-resistant piece is fixed with the first rotating body, and the clamping part and the second wear-resistant piece rotate relatively.
The utility model also provides a lamp which comprises a lamp body, a lamp cap and the damping connection structure, wherein the lamp cap is arranged below the lamp body, and the central shaft sequentially penetrates through the lamp body and the lamp cap.
The utility model has the advantages that the pretightening force of the first pretightening device can be adjusted through the movement of the adjusting piece on the central shaft, so that the resistance between the first rotating body and the second rotating body is adjusted, the damping connection between the first rotating body and the second rotating body is realized, the flexible elastic piece is arranged between the clamping part on the central shaft and the first rotating body, when a gap appears between the first rotating body and the second rotating body in the axial direction of the central shaft, the flexible elastic piece can compensate the gap due to the deformation of the flexible elastic piece, so that the structure between the first rotating body and the second rotating body is always in a compact state, the shaking between the first rotating body and the second rotating body in the vertical direction and the shaking of the first rotating body or the second rotating body in the horizontal position are avoided, and the quality and the service life of products are improved.
Drawings
FIG. 1 is a schematic view of a partial structure of a lamp according to the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a perspective view of a damping connection provided by the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
fig. 5 is a central axis structure view of a damping connection structure provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model can adjust the resistance between the first rotating body and the second rotating body by the adjustable pretightening force through the movement of the adjusting piece on the central shaft, thereby realizing the damping connection of the first rotating body and the second rotating body, and the flexible elastic piece is arranged between the clamping part on the central shaft and the first rotating body, when a gap appears between the first rotating body and the second rotating body along the axial direction of the central shaft, the flexible elastic piece can compensate the gap of the part due to the self deformation, thereby leading the structure between the first rotating body and the second rotating body to be in a compact state all the time, avoiding the shaking of the first rotating body and the second rotating body in the vertical direction and the shaking of the first rotating body or the second rotating body in the horizontal position, improving the quality of products and prolonging the service life.
Example one
Referring to fig. 1-2, an embodiment of the present invention provides a damping connection structure 10 including a central shaft 1, a flexible resilient member 2, and an adjustment member 4. Wherein, the central shaft 1 is used for sequentially passing through a first rotating body 20 and a second rotating body 30, the first rotating body 20 and the second rotating body 30 can be a lamp body and a lamp cap respectively, the first rotating body 20 can rotate around the central shaft 1, the second rotating body 30 can move along the axial direction of the central shaft 1 and rotate along with the central shaft 1, namely, the first rotating body 20 and the second rotating body 30 can relatively rotate, and the second rotating body 30 can only move away from or close to the first rotating body 20 along the central shaft 1 but can not rotate around the central shaft 1, one end of the central shaft 1 is provided with a clamping part 11, the clamping part 11 can be clamped on the first rotating body 20, a flexible elastic piece 2 is arranged between the clamping part 11 and the first rotating body 20, is arranged on the central shaft 1 and provides resistance to the relative rotation of the first rotating body 20 and the second rotating body 30, an adjusting piece 4 can be movably arranged at the other end of the central shaft 1 and clamped on the second rotating body 30, that is, the engaging portion 11 and the adjuster 4 can restrict the first rotating body 20 and the second rotating body 30 therebetween, and when the adjuster 4 moves in the direction of the engaging portion 11, the second rotating body 30 moves toward the engaging portion 11 and the resistance increases, whereas when the adjuster 4 moves away from the engaging portion 11, the resistance can decrease.
The resistance between the first rotating body 20 and the second rotating body 30 can be adjusted by the adjustable pretightening force through the movement of the adjusting piece 4 on the central shaft 1, namely the adjusting piece can push the second rotating body to move towards the clamping part to reduce the distance between the adjusting piece and the first rotating body, or the thrusting force to the second rotating body is cancelled (the adjusting piece moves reversely) to increase the distance between the second rotating body and the first rotating body, so that the damping connection between the first rotating body 20 and the second rotating body 30 is realized, the flexible elastic piece 2 is arranged between the clamping part 11 on the central shaft 1 and the first rotating body 20, when a gap appears between the first rotating body 20 and the second rotating body 30 in the axial direction of the central shaft 1, the gap of the part can be compensated due to the deformation of the flexible elastic piece 2, so that the structure between the first rotating body 20 and the second rotating body 30 is always in a compact state, the shaking in the vertical direction between the first rotating body 20 and the second rotating body 30 and the swinging of the first rotating body 20 or the second rotating body 30 in the horizontal position are avoided, and the quality and the service life of the product are improved.
In this embodiment, the flexible elastic member 2 may be of an annular structure, and the annular structure may be sleeved on the central shaft 1, so as to facilitate installation of the flexible elastic member 2. In particular, the flexible elastic member 2 may be, but is not limited to, silicone.
Further, regulating part 4 can adopt the nut, and the 1 tip of center pin sets up and regulating part 4 complex screw, through regulating part 4 and center pin 1 threaded connection, the dismouting of regulating part 4 of being convenient for, and simultaneously, regulating part 4 can the auto-lock at the removal in-process, need not to set up in addition and makes regulating part 4 stop the auto-lock structure in removal back position, has simplified the structure.
In the present embodiment and the following embodiments, the positions of the first rotating body 20 and the second rotating body 30 may be interchanged.
In the present embodiment, the central shaft is provided with a through hole 14 along the axial direction, and the through hole can be used for passing an object from the first rotating body into the second rotating body, for example, when the present invention is applied to a lamp, the through hole 14 can be used for passing a wire, so that the lighting assembly in the lamp head can be connected with a circuit board or a power supply device arranged in the lamp body to obtain power supply.
The damping connecting structure 10 provided by the embodiment of the utility model has a compact structure, can avoid the shaking of an object in the vertical direction and the swinging in the horizontal direction, and has good product performance and long service life.
Example two
Referring to fig. 2 to 4, on the basis of the first embodiment, further, the central shaft 1 is sleeved with the rotating member 5 capable of rotating around the central shaft 1, the central shaft 1 is provided with the first step 12, one side of the rotating member 5 close to the clamping part 11 can be abutted against the first step 12, the first rotating member 20 is fixed to the rotating member 5, the first step 12 and the second rotating member 30 enable the rotating member 5 to limit in the axial direction of the central shaft 1, and the rotating member 5 prevents the first rotating member 20 from being directly connected with the central shaft 1, which is easy to wear.
Specifically, the rotating member 5 is provided with a first limiting portion 51, and the first rotating member 20 is provided with a second limiting portion (not shown) engaged with the first limiting portion 51. The first limiting portion 51 and the second limiting portion cooperate with each other to enable the rotating member 5 to rotate the first rotating member 20. The first limiting portion 51 is disposed on the surface of the rotating direction of the rotating body, the first rotating body 20 is sleeved outside the rotating body 5, and the second limiting portion may be disposed on the inner wall of the first rotating body 20. Further, the first stopper portions 51 may be provided at intervals in the circumferential direction of the surface.
EXAMPLE III
Referring to fig. 2-4, on the basis of the second embodiment, further, the first wear-resistant member 6 is disposed between the first step 12 and the rotating member 5, and the first wear-resistant member 6 is fixed to the central shaft 1, so that when the rotating member 5 rotates relative to the central shaft 1, the rotating member 5 can rotate relative to the first wear-resistant member 6, thereby preventing the rotating member 5 from directly rubbing against the central shaft 1 to cause wear of the central shaft 1.
Example four
Referring to fig. 5, in any one of the first to third embodiments, further, a first plane 1a is disposed on the surface of the central shaft 1 at a position where the second rotating body 30 is fixed, and a second plane (not shown in the figure) adapted to the first plane 1a is disposed in a hole of the second rotating body 30 through which the central shaft 1 passes, so as to prevent the second rotating body 30 from rotating around the central shaft 1. Specifically, in addition to the third embodiment, the first plane 1a may extend to the first step 12 and to the second step 13 of the following embodiment, so as to avoid the second rotating body 30 from slipping on the central shaft 1 due to the too short distance of the first plane 1a in the axial direction of the central shaft 1.
EXAMPLE five
Referring to fig. 2 and 4, in any one of the first to fourth embodiments, further, the first pre-tightening device 31 is sleeved on the central shaft 1 and located between the first rotating body 20 and the second rotating body 30, when the adjusting piece 4 moves towards the locking part 11, the adjusting piece 4 pushes the second rotating body 30 to move towards the first rotating body 20, the pre-tightening force of the first pre-tightening device 31 is increased to increase the resistance between the first rotating body 20 and the second rotating body 30, that is, when the second rotating body 30 moves towards the first rotating body 20, the first pre-tightening device 31 can be pressed by the second rotating body 30 and the first rotating body 20, and the restoring force of the first pre-tightening device 31 can act on the first rotating body 20 and the second rotating body 30, respectively, so that the resistance of the first pre-tightening device 31 to the first rotating body 20 and the second rotating body 30 can be increased.
Further, the damping connection structure further includes a second pre-tightening device 32, the second pre-tightening device 32 is sleeved on the central shaft 1 and located between the adjusting member 4 and the second rotating body 30, when the adjusting member 4 moves towards the clamping part 11, the adjusting member 4 pushes the second rotating body 30 to move towards the first rotating body 20, and the pre-tightening force of the second pre-tightening device 32 is increased. The adjusting part 4 is prevented from loosening in this way, so that the compactness of the adjusting part 4 is improved. In the present embodiment, the second preload member 32 may be, but is not limited to, a butterfly spring, an opening spring washer, or a coil spring.
EXAMPLE six
Referring to fig. 5, in addition to the fifth embodiment, the center shaft 1 is further provided with a second step 13, and the second pretensioner 32 can be locked to the second step 13 when the adjuster 4 moves in the direction of the locking portion 11. The second step 13 is provided, and after the second pre-tightening device 32 abuts against the second step 13 and is pushed to the limit by the adjusting element 4, the adjusting element 4 can not increase the pre-tightening force of the second pre-tightening device 32, so that the situation that the first rotating body 20 and the second rotating body 30 are locked due to too large resistance force and cannot rotate can be avoided.
EXAMPLE seven
Referring to fig. 2 and 4, in addition to the sixth embodiment, the first pre-tightening device 31 may be an elastic disc, and when the second pre-tightening device 32 also is a butterfly-shaped elastic sheet, the spacers 7 are disposed between the first pre-tightening device 31 and the first rotating body 20, between the first pre-tightening device and the second rotating body 30, and between the second rotating body 30 and the second pre-tightening device 32. By adopting the butterfly-shaped elastic sheet, when the butterfly-shaped elastic sheet is extruded, the first pre-tightening device 31 and the second pre-tightening device 32 uniformly apply force to the first rotating body 20 and the second rotating body 30 in the circumferential direction, and the gasket 7 is arranged, so that the contact surfaces of the first pre-tightening device 31 and the first rotating body 20 as well as the second rotating body 30 can be kept flat, and the contact surfaces of the second pre-tightening device 32 and the second rotating body 30 can be kept flat, thereby improving the compactness of the structure.
Example eight
Referring to fig. 2 and 4, on the basis of any one of the first to seventh embodiments, a second wear-resistant member 8 is sleeved on the central shaft 1, the second wear-resistant member 8 is located between the flexible elastic member 2 and the locking portion 11, the second wear-resistant member 8 is fixed to the first rotating body 20, and the locking portion 11 rotates relative to the second wear-resistant member 8. In this way, when the central shaft 1 rotates with the second rotating body 30 or the first rotating body 20 rotates relative to the central shaft 1, it is possible to prevent the flexible resilient member 2 from being worn due to the relative rotation between the locking portion 11 and the flexible resilient member 2 or the increase of the rotational resistance of the flexible resilient member 2.
In this embodiment, the fixing manner of the second wear-resistant member 8 and the first rotating body 20 is the same as the fixing manner of the first wear-resistant member 6 and the first rotating body 20, and the description thereof is omitted.
Example nine
Referring to fig. 1, a lamp includes a lamp body, a lamp cap and the damping connection structure 10, the lamp cap is disposed below the lamp body, and a central shaft 1 sequentially penetrates through the lamp body and the lamp cap. In this embodiment, the lamp body may be the first rotating body and the lamp cap may be the second rotating body 30.
The lamp provided by the embodiment of the utility model has a compact structure, can avoid the shaking of an object in the vertical direction and the swinging in the horizontal direction, and has good product performance and long service life.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A damped connection structure, comprising:
a central shaft for sequentially passing and connecting a first rotating body and a second rotating body, wherein the first rotating body can rotate around the central shaft, the second rotating body can move along the axial direction of the central shaft and rotate along with the central shaft, one end of the central shaft is provided with a clamping part, and the clamping part can be clamped on the first rotating body;
a flexible elastic member interposed between the locking portion and the first rotating body;
the first pre-tightening device is arranged on the central shaft and provides resistance to the relative rotation of the first rotating body and the second rotating body;
and an adjuster that is movably provided at the other end of the center shaft and is locked to the second rotating body, wherein when the adjuster moves in the direction of the locking portion, the second rotating body moves to the locking portion and the resistance increases.
2. The damping coupling structure according to claim 1, wherein a rotating member rotatable around the center shaft is fitted over the center shaft, a first step is provided on the center shaft, a side of the rotating member adjacent to the locking portion is engageable with the first step, and the first rotating member is fixed to the rotating member.
3. The damping coupling structure according to claim 2, wherein the rotating member is provided with a first stopper portion, and the first rotating member is provided with a second stopper portion engaged with the first stopper portion.
4. The damping connection as claimed in claim 3, wherein a first wear member is provided between the first step and the rotation member, the first wear member being fixed to the center shaft.
5. The damping coupling structure according to claim 1, wherein the first pretensioner is fitted on the center shaft and between the first rotating body and the second rotating body, and when the adjuster moves in the direction of the locking portion, the adjuster pushes the second rotating body to move toward the first rotating body, and the pretension of the first pretensioner increases to increase the resistance between the first rotating body and the second rotating body.
6. The damping coupling structure according to claim 5, further comprising a second pre-tightening device that is fitted over the central shaft and is located between the adjuster and the second rotating body, wherein when the adjuster moves in the direction of the locking portion, the adjuster pushes the second rotating body to move toward the first rotating body, and the pre-tightening force of the second pre-tightening device increases.
7. The damping connection structure as claimed in claim 6, wherein the center shaft is provided with a second step, and the second pretensioner can be stopped at the second step when the adjuster moves in the direction of the stopping portion.
8. The damping connecting structure according to claim 1, wherein a second wear-resistant member is fitted around the central shaft, the second wear-resistant member is located between the flexible elastic member and the engaging portion, the second wear-resistant member is fixed to the first rotating body, and the engaging portion rotates relative to the second wear-resistant member.
9. A lamp, characterized in that, including a lamp body, a lamp holder and the damping connection structure of any one of claims 1-8, the lamp holder is arranged below the lamp body, and the central shaft penetrates through the lamp body and the lamp holder in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121211421.0U CN215333944U (en) | 2021-06-01 | 2021-06-01 | Damping connection structure and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121211421.0U CN215333944U (en) | 2021-06-01 | 2021-06-01 | Damping connection structure and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333944U true CN215333944U (en) | 2021-12-28 |
Family
ID=79550077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121211421.0U Active CN215333944U (en) | 2021-06-01 | 2021-06-01 | Damping connection structure and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333944U (en) |
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2021
- 2021-06-01 CN CN202121211421.0U patent/CN215333944U/en active Active
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