CN212644531U - Desk lamp pivot and desk lamp - Google Patents
Desk lamp pivot and desk lamp Download PDFInfo
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- CN212644531U CN212644531U CN202021225215.0U CN202021225215U CN212644531U CN 212644531 U CN212644531 U CN 212644531U CN 202021225215 U CN202021225215 U CN 202021225215U CN 212644531 U CN212644531 U CN 212644531U
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Abstract
The application discloses a desk lamp rotating shaft, which relates to the field of desk lamps and comprises a shaft body, and a friction piece, a fixing piece and at least one elastic piece which are sleeved on the shaft body; the friction piece rotates along with the shaft body; the fixing piece is configured to be fixed relative to the shaft body; the friction piece rotates along with the shaft body and is in contact with the fixed piece to generate rotating torque; the elastic piece is used for adjusting the rotating torque force between the friction piece and the fixing piece. In the application, the friction piece rotates along with the shaft body, the shaft body rotates relative to the fixing piece, and in the rotating process of the shaft body, the friction piece rotates and is in contact with the fixing piece to generate rotating torque; the mode that this desk lamp pivot produced rotatory torsion is different from the mode that current desk lamp pivot produced rotatory torsion, and friction member, mounting etc. only need overlap on the axis body simultaneously for desk lamp pivot simple structure.
Description
Technical Field
The application relates to the relevant technical field of desk lamps, especially relates to a desk lamp pivot and desk lamp.
Background
The desk lamp rotating shaft is a connecting piece for rotating the desk lamp, and is mainly used for connecting a lamp body and a lamp arm to realize rotation and positioning of the lamp body. The desk lamp pivot of using more often on the market includes an axis body usually, sets up the axle sleeve on the axis body, and the lamp body setting is on the axle sleeve, and the axle sleeve rotates for the axis body, and then realizes the rotation of lamp body. In order to achieve the rotational angle positioning of the lamp body, friction members are generally provided on both sides of the bushing to generate a torque force. The torsion of this kind of desk lamp pivot can not be adjusted, and in long-time use, because the friction between the friction piece loss causes the frictional force between the friction piece to reduce between the friction piece, can influence the braking effect of friction piece to the pivot, influences the location effect and the stability of desk lamp pivot to influence the life of desk lamp pivot.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a desk lamp pivot, it can improve the problem that current desk lamp pivot torsion can not adjust the pivot braking effect that leads to poor and life is low.
Another object of the present application is to provide a desk lamp using the above desk lamp rotating shaft.
In a first aspect, an embodiment of the present application provides a desk lamp rotating shaft, which includes:
the friction part, the fixing part and the at least one elastic part are sleeved on the shaft body; the friction piece rotates along with the shaft body; the fixing piece is configured to be fixed relative to the shaft body;
the friction piece rotates along with the shaft body and is in contact with the fixed piece to generate rotating torque; the elastic piece is used for adjusting the rotating torque force between the friction piece and the fixing piece.
Optionally, the shaft body is a hollow shaft body.
Optionally, the desk lamp rotating shaft further includes:
the decoration ring is embedded in the shaft body and coincides with the shaft center of the shaft body, the outer wall of the decoration ring is attached to the inner wall of the shaft body, and the decoration ring is provided with a preset thickness in the radial direction of the shaft body.
Optionally, one end of the shaft body close to the elastic element is provided with a fastening element, and the fastening element is sleeved on the shaft body and abutted against the elastic element.
Optionally, the shaft body comprises a base, a first cylinder and a second cylinder, wherein the diameter of the base is sequentially reduced along the axis and is in a step shape;
the friction piece, the fixing piece and the elastic piece are sleeved on the second cylinder and fixed through the first cylinder and the fastening piece.
Optionally, the friction member includes a first friction member and a second friction member, and the first friction member and the second friction member are respectively disposed on two sides of the fixing member;
the elastic member is located on one side of the second friction member.
Optionally, the desk lamp rotating shaft further includes:
the lamp body fixing piece is arranged at one end of the shaft body far away from the elastic piece;
and the lamp arm fixing piece is connected with the fixing piece and used for supporting the fixing piece.
Optionally, the lamp body fixing member includes:
the lamp body connecting piece is used for connecting with the lamp body;
the first sleeve comprises a first circular ring and a first limiting ring arranged on one end face of the first circular ring; the outer periphery of first ring fixed connection is on the lamp body connecting piece, and the tip of axis body penetrates and bonds with first spacing ring from another tip of first ring.
Optionally, the lamp arm fixing member comprises:
the lamp arm connecting piece is used for connecting the lamp arm;
the second sleeve comprises a second circular ring and a second limiting ring arranged on one end face of the second circular ring; the outer circumferential surface of the second circular ring is fixedly connected with the lamp arm connecting piece, and the fixing piece penetrates from the other end part of the second circular ring and is fixed on the second limiting ring through a bolt.
Alternatively, when the number of the elastic members is plural, the adjacent elastic members abut against each other.
Optionally, the fastener is threadedly coupled to the shaft body, and the position of the fastener on the shaft body is adjustable.
In a second aspect, an embodiment of the present application provides a desk lamp, which includes a lamp body, a lamp arm and the desk lamp rotating shaft, where the lamp body and the lamp arm are respectively fixed on the desk lamp rotating shaft.
Optionally, at least one light emitting source is disposed on the lamp body.
Optionally, the desk lamp further comprises:
the lamp arm is fixed on the desk lamp base;
the switch is at least arranged on one of the lamp body, the lamp arm, the desk lamp base and the desk lamp rotating shaft.
Compared with the prior art, the beneficial effect of this application:
1. in the application, the friction piece rotates along with the shaft body, the shaft body rotates relative to the fixing piece, and in the rotating process of the shaft body, the friction piece rotates and is in contact with the fixing piece to generate rotating torque; the desk lamp rotating shaft generates the rotating torque in a mode different from the mode of generating the rotating torque of the existing desk lamp rotating shaft, and meanwhile, the friction piece, the fixing piece and the like only need to be sleeved on the shaft body, so that the desk lamp rotating shaft is simple in structure;
2. the elastic piece adjusts the rotating torque between the friction piece and the fixing piece in real time, so that the friction piece and the fixing piece are always tightly attached, the rotating shaft of the desk lamp can be ensured to be always in a better braking state, and the service life of the rotating shaft of the desk lamp is prolonged;
3. the deformation of elastic component can be adjusted to the position of adjusting fastener or the quantity of elastic component to adjust the rotatory torsion between mounting and the friction part, when extension desk lamp pivot life, make the desk lamp that multiple different torsion demands can be satisfied in this pivot, strengthened the suitability of desk lamp pivot.
4. Under the condition that satisfies above-mentioned desk lamp pivot demand, this desk lamp pivot adopts hollow axis body, and the appearance is more pleasing to the eye.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a rotating shaft of a desk lamp according to an embodiment;
FIG. 2 is a schematic structural diagram of a shaft body of a rotating shaft of a desk lamp according to an embodiment of the disclosure;
FIG. 3 is a schematic structural diagram of a desk lamp according to an embodiment;
fig. 4 to 5 are reference diagrams of a usage state of the desk lamp in the embodiment.
Illustration of the drawings:
100 lamp body fixing parts; 110 lamp body connecting parts; 120 a first sleeve; 200 shaft bodies; 210 a decorative ring; 220 a base; 230 a first cylinder; 240 a second cylinder; 300 friction member; 310 a first friction member; 320 a second friction member; 400 a fixing member; 500 an elastic member; 600 fastener; 700 lamp arm fixing member; 710 a lamp arm connector; 720 a second sleeve; 800 a lamp body; 810 a lamp arm; 820 desk lamp base; 830 a switch; 840 to emit light.
Detailed Description
The following detailed description of embodiments of the present application will be provided in conjunction with the accompanying drawings, which are included to illustrate and not to limit the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it is noted that the terms "first" and "second", etc. are used merely to distinguish descriptions, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that the term "plurality" refers to two or more.
According to one aspect of the application, a desk lamp rotating shaft is provided;
as shown in fig. 1 and fig. 2, the present embodiment provides a rotation shaft of a desk lamp, including:
a shaft body 200, and a friction member 300, a fixing member 400 and at least one elastic member 500 sleeved on the shaft body 200; the friction member 300 rotates following the shaft body 200; the fixing member 400 is configured to be fixed with respect to the shaft body 200;
the friction member 300 rotates with the shaft body 200 and contacts with the fixing member 400 to generate a rotational torque; the elastic member 500 is used to adjust the rotational torque between the friction member 300 and the stationary member 400.
The working process and the working principle of the application are as follows:
when the desk lamp rotating shaft works, the shaft body 200 is rotated, so that the friction member 300 and the elastic member 500 on the shaft body 200 are driven to rotate, the fixing member 400 is fixed, and the shaft body 200 rotates relative to the fixing member 400. The friction force between the friction member 300 and the fixing member 400 when the friction member rotates with the shaft body 200 constitutes a rotational torque of the shaft body 200 to restrict the movement of the rotating shaft, thereby achieving braking of the rotating shaft.
In the long-time rotation process of the rotating shaft, the friction force between the fixed member 400 and the friction member 300 becomes thin, so that the rotating torque between the fixed member 400 and the friction member 300 is reduced, and the braking effect on the rotating shaft is influenced; the elastic member 500 can adjust the rotating torque between the friction member 300 and the fixing member 400 in real time, so that the friction member 300 and the fixing member 400 are always tightly attached to each other, the rotating shaft is always in a better braking state, the braking effect of the friction member 300 on the rotating shaft is improved, and the service life of the rotating shaft of the desk lamp is prolonged.
In one embodiment, the shaft body 200 may be a solid shaft body or a hollow shaft body, and when the shaft body 200 is a hollow shaft body, the decoration ring 210 may be embedded in the shaft body 200, an axial center of the decoration ring 210 coincides with an axial center of the shaft body 200, and an outer wall of the decoration ring 210 is attached to an inner wall of the shaft body 200 and has a predetermined thickness in a radial direction of the shaft body 200. The color of the decoration ring 210 may be a fluorescent layer or a ribbon/color bar. The decoration ring 210 mainly plays a role of aesthetic appearance.
In one embodiment, the desk lamp rotation shaft further includes a fastening member 600, which is sleeved on one end of the shaft body 200 close to the elastic member 500 and abuts against the elastic member 500.
In one embodiment, the shaft body 200 includes a base 220, a first cylinder 230 and a second cylinder 240, which are sequentially reduced in diameter along the axial center and have a step shape, the second cylinder 240 is used for sleeving the friction element 300, the fixing element 400 and the elastic element 500, the first cylinder 230 and the fastening element 600 cooperate to fix the friction element 300, the fixing element 400 and the elastic element 500 on the second cylinder 240, and the elastic element 500 is deformed to provide a rotation torque between the friction element 300 and the fixing element 400.
In one embodiment, the friction member 300 includes a first friction member 310 and a second friction member 320, and the first friction member 310 and the second friction member 320 are respectively disposed at both sides of the fixing member 400; the elastic member 500 is located at one side of the second friction member 320.
In one embodiment, the desk lamp rotating shaft further includes a lamp body fixing member 100 and a lamp arm fixing member 700, the lamp body fixing member 100 is disposed at an end of the shaft body 200 far from the elastic member 500; the lamp arm fixing member 700 is connected to the fixing member 400 and serves to support the fixing member 400.
In one embodiment, the lamp body fixing member 100 includes a first sleeve 120 and a lamp body connecting member 110 for connecting with the lamp body 800; the first sleeve 120 comprises a first circular ring and a first limiting ring arranged on one end face of the first circular ring, and the inner diameter of the first limiting ring is smaller than that of the first circular ring; the outer circumferential surface of the first ring is fixedly connected to the lamp body connecting member 110, and the end of the shaft body 200 penetrates from the other end of the first ring and is bonded to the first stopper ring.
In one embodiment, the lamp arm fixing member 700 includes a second sleeve 720 and a lamp arm connector 710 for connecting with a lamp arm 810; the second sleeve 720 comprises a second circular ring and a second limiting ring arranged on one end face of the second circular ring, and the inner diameter of the second limiting ring is smaller than that of the second circular ring; the outer circumferential surface of the second ring is fixedly connected to the lamp arm connector 710, the second limit ring is provided with a through hole connected with the fixing member 400, and the fixing member 400 penetrates from the other end of the second ring and is fixed on the second limit ring through a bolt.
In one embodiment, the fixing member 400 has a circular ring structure, and the outer circumferential surface of the fixing member 400 is provided with a position-limiting hole, which is disposed at a position opposite to the through hole of the second position-limiting ring, and the position-limiting hole is used for fixing the fixing member 400 to the second position-limiting ring of the lamp arm fixing member 700.
It should be noted that, the fixing member 400 and the lamp arm fixing member 700 are only exemplary, and both can also be implemented by other existing fixing manners, and the application does not specifically limit the connection manner of the fixing member 400 and the lamp arm fixing member 700, and the connection manner that the fixing member 400 and the lamp arm fixing member 700 can be fixed all falls within the protection scope of the application.
In one embodiment, the shaft body 200 is threadedly coupled with the fastener 600, and the position of the fastener 600 on the shaft body 200 can be adjusted; by adjusting the position of the fastening member 600 on the shaft body 200, the deformation of the elastic member 500 can be adjusted, so that the pressure applied by the elastic member 500 to the fixing member 400 and the friction member 300 can be adjusted, and the rotation torque of the friction member 300 and the fixing member 400 can be adjusted. When the fastener 600 moves toward the elastic member 500, the deformation of the elastic member 500 increases, and the rotational torque between the friction member 300 and the fixing member 400 increases; on the contrary, the rotational torque between the friction member 300 and the fixing member 400 is reduced. The position of the fastener 600 on the shaft body 200 is adjusted to adjust the rotating torque between the fixing piece 400 and the friction piece 300, so that the service life of the rotating shaft of the desk lamp is prolonged, the rotating shaft can meet the requirements of multiple different rotating torques, and the applicability of the rotating shaft of the desk lamp is enhanced.
Specifically, the end of the second cylinder 240, which is sleeved with the fastening element 600, is of a threaded structure, the fastening element 600 is a circular ring with a threaded through hole inside, the inner diameter of the fastening element 600 is the same as the diameter of the second cylinder 240, the diameter of the shaft body 200 is not specifically limited, the diameter of the shaft body 200 can be large or small, as long as the use requirement of the rotating shaft can be met, the fastening element 600 matched with the shaft body 200 is selected according to the diameter of the shaft body 200, and the applicability of the rotating shaft of the desk lamp is enhanced.
It should be noted that the threaded connection between the shaft body 200 and the fastening member 600 is only exemplary, and the two may also be implemented by other existing fixing manners, and the connection manner between the shaft body 200 and the fastening member 600 is not specifically limited in the present application, and all connection manners that can implement the position adjustment of the fastening member 600 on the shaft body 200 fall within the protection scope of the present application.
In one embodiment, the number of the elastic members 500 is selected according to the torque required by the rotating shaft, and when the torque required by the rotating shaft is different, the number of the elastic members 500 is also different, and a reasonable number of the elastic members 500 are selected according to the actual requirement of the rotating shaft. The more the number of the elastic members 500 is, the greater the deformation of the elastic members 500 is, the greater the pressure applied by the elastic members 500 to the fixing member 400 and the friction member 300 is, the greater the torsion provided by the elastic members 500 to the rotating shaft is, and the positioning effect and stability of the rotating shaft of the desk lamp are enhanced. When the number of the elastic members 500 is plural, the adjacent elastic members 500 abut against each other. The elastic member 500 includes a bellows or an arc-shaped disc made of an elastic material. The rotating torque force between the fixing piece 400 and the friction piece 300 is adjusted by adjusting the number of the elastic pieces 500, so that the service life of the rotating shaft of the desk lamp is prolonged, the rotating shaft can meet the requirements of multiple different torque forces, and the applicability of the rotating shaft of the desk lamp is enhanced.
According to another aspect of the present application, there is provided a table lamp;
as shown in fig. 3, the desk lamp includes a lamp body 800, a lamp arm 810 and the desk lamp rotating shaft, wherein the lamp body 800 and the lamp arm 810 are respectively fixed on the desk lamp rotating shaft, the lamp body 800 is fixed on the lamp body fixing member 100, and the lamp arm 810 is fixed on the lamp arm fixing member 700.
The desk lamp rotating shaft is connected with the lamp arm 810 and the lamp body 800, the lamp body fixing part 100 in the desk lamp rotating shaft can rotate along with the lamp body 800, the lamp arm fixing part 700 is fixed on the lamp arm 810, and the lamp body 800 rotates relative to the lamp arm 810.
In one embodiment, as shown in fig. 4 to 5, the lamp body 800 is provided with at least one light-emitting source 840, and the light-emitting source 840 can rotate around the lamp body 800.
In one embodiment, the desk lamp further comprises a desk lamp base 820, a switch 830 and a power adapter, wherein the lamp arm 810 is fixed on the desk lamp base 820; the switch 830 is at least disposed on one of the lamp body 800, the lamp arm 810, the desk lamp base 820 and the desk lamp rotating shaft; the desk lamp base 820 is also provided with an interface connected with a power adapter, and the power adapter is externally fixed on the desk lamp base 820.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.
Claims (14)
1. A desk lamp pivot, its characterized in that includes:
the friction part, the fixing part and the at least one elastic part are sleeved on the shaft body; the friction piece rotates along with the shaft body; the fixing piece is configured to be fixed relative to the shaft body;
the friction piece rotates along with the shaft body and is in contact with the fixing piece to generate a rotating torque force; the elastic piece is used for adjusting the rotating torque force between the friction piece and the fixing piece.
2. The desk lamp rotating shaft according to claim 1, wherein the shaft body is a hollow shaft body.
3. The desk lamp rotating shaft according to claim 2, further comprising:
the decoration ring is embedded in the shaft body and coincides with the axis of the shaft body, the outer wall of the decoration ring is attached to the inner wall of the shaft body, and the decoration ring is provided with a preset thickness in the radial direction of the shaft body.
4. The desk lamp rotating shaft according to claim 3, wherein a fastening member is disposed at one end of the shaft body close to the elastic member, and the fastening member is sleeved on the shaft body and abuts against the elastic member.
5. The desk lamp rotating shaft according to claim 4, wherein the shaft body comprises a base, a first cylinder and a second cylinder, the diameters of the base, the first cylinder and the second cylinder are sequentially reduced along the shaft center and are in a step shape;
the friction piece, the fixing piece and the elastic piece are sleeved on the second cylinder and fixed through the first cylinder and the fastening piece.
6. The desk lamp rotating shaft according to claim 1, wherein the friction member comprises a first friction member and a second friction member, and the first friction member and the second friction member are respectively arranged on two sides of the fixing member;
the elastic member is located at one side of the second friction member.
7. The desk lamp rotating shaft according to any one of claims 1 to 6, further comprising:
the lamp body fixing piece is arranged at one end of the shaft body, which is far away from the elastic piece;
and the lamp arm fixing piece is connected with the fixing piece and used for supporting the fixing piece.
8. The desk lamp rotating shaft according to claim 7, wherein the lamp body fixing member comprises:
the lamp body connecting piece is used for connecting with the lamp body;
the first sleeve comprises a first circular ring and a first limiting ring arranged on one end face of the first circular ring; the outer circumferential surface of the first circular ring is fixedly connected to the lamp body connecting piece, and the end part of the shaft body penetrates into the other end part of the first circular ring and is bonded with the first limiting ring.
9. The desk lamp spindle of claim 7, wherein the lamp arm fixing member comprises:
the lamp arm connecting piece is used for connecting the lamp arm;
the second sleeve comprises a second circular ring and a second limiting ring arranged on one end face of the second circular ring; the outer circumferential surface of the second circular ring is fixedly connected with the lamp arm connecting piece, and the fixing piece penetrates into the other end of the second circular ring and is fixed on the second limiting ring through a bolt.
10. The desk lamp rotating shaft according to claim 1, wherein when the number of the elastic members is plural, the adjacent elastic members are abutted against each other.
11. The desk lamp rotating shaft according to claim 4, wherein the fastening member is in threaded connection with the shaft body, and the position of the fastening member on the shaft body is adjustable.
12. A desk lamp, comprising a lamp body, a lamp arm and the desk lamp rotating shaft according to any one of claims 1 to 11, wherein the lamp body and the lamp arm are respectively fixed on the desk lamp rotating shaft.
13. The desk lamp as claimed in claim 12, wherein at least one light source is provided on the lamp body.
14. The desk lamp of claim 12, further comprising:
the lamp arm is fixed on the desk lamp base;
and the switch is at least arranged on one of the lamp body, the lamp arm, the desk lamp base and the desk lamp rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225215.0U CN212644531U (en) | 2020-06-29 | 2020-06-29 | Desk lamp pivot and desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225215.0U CN212644531U (en) | 2020-06-29 | 2020-06-29 | Desk lamp pivot and desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212644531U true CN212644531U (en) | 2021-03-02 |
Family
ID=74784746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021225215.0U Active CN212644531U (en) | 2020-06-29 | 2020-06-29 | Desk lamp pivot and desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212644531U (en) |
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2020
- 2020-06-29 CN CN202021225215.0U patent/CN212644531U/en active Active
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