CN214094107U - Desk lamp holder and desk lamp - Google Patents
Desk lamp holder and desk lamp Download PDFInfo
- Publication number
- CN214094107U CN214094107U CN202120466646.4U CN202120466646U CN214094107U CN 214094107 U CN214094107 U CN 214094107U CN 202120466646 U CN202120466646 U CN 202120466646U CN 214094107 U CN214094107 U CN 214094107U
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- rotating shaft
- desk lamp
- shaft
- sleeve
- shell
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Abstract
A desk lamp holder and a desk lamp are provided. The desk lamp holder comprises a shell, an optical assembly and a rotating shaft, wherein the optical assembly is arranged on the shell, the shell can rotate around the rotating shaft, the shaft sleeve is sleeved on the rotating shaft, the shaft sleeve is fixed relative to the shell and at least partially located inside the shell, the rotating shaft pressing plate is located inside the shell and fixed relative to the shaft sleeve, and one part of the rotating shaft pressing plate is embedded into the rotating shaft, so that the shaft sleeve is fixed relative to the rotating shaft in the axial direction of the rotating shaft and can rotate relative to the rotating shaft in the circumferential direction of the rotating shaft. Therefore, the internal structure of the desk lamp holder is compact, the convex structure arranged by clamping the rotating shaft in the prior art is eliminated, and no exposed screw is arranged, so that the appearance of the desk lamp holder is good in integrity and simplicity.
Description
Technical Field
The utility model relates to the field of lighting, more specifically relates to a desk lamp holder and desk lamp.
Background
As a common lighting device, a lamp cap of a desk lamp usually has a rotatable function, so that the desk lamp has multiple illumination angles for the convenience of users. In order to adjust the angle of the lamp head of the desk lamp, the lamp head of the desk lamp is usually connected with the lamp holder by adopting a rotating shaft rod structure.
Fig. 1 and 2 show a conventional desk lamp head, which includes a rotating shaft 71, an upper cover 72, a lower cover 73, and screws 74, wherein the upper cover 72 and the lower cover 73 are pressed against the rotating shaft 71 in a manner of clamping the rotating shaft 71, so that the desk lamp head can rotate around the rotating shaft 71, and the upper cover 72 and the lower cover 73 are fixedly connected by the screws 74, so as to prevent the upper cover 72 and the lower cover 73 from being separated from each other during rotation.
Although the desk lamp holder can realize the adjustable angle of the desk lamp holder, the upper cover 72 and the lower cover 73 need to have an outward protruding structure for pressing against the rotating shaft 71, so that the desk lamp holder cannot have an ultrathin appearance and cannot have a complete geometric shape, such as a complete circle. In addition, the desk lamp head needs to be additionally reserved with a position for fixing the screw 74, and the screw 74 is exposed outside the desk lamp head after being tightened, so that the simple appearance of the desk lamp head is damaged.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above-described state of the art. An object of the utility model is to provide a desk lamp holder and desk lamp, the wholeness and the succinct nature of its outward appearance are good.
The utility model provides a desk lamp holder, which comprises a shell, an optical component and a rotating shaft, wherein the optical component is arranged on the shell, the shell can rotate around the rotating shaft,
wherein the content of the first and second substances,
the desk lamp holder further comprises a shaft sleeve and a rotating shaft pressing plate, the shaft sleeve is sleeved on the rotating shaft, the shaft sleeve is fixed to the shell and at least partially located inside the shell, the rotating shaft pressing plate is located inside the shell and fixed to the shaft sleeve, one part of the rotating shaft pressing plate is embedded into the rotating shaft, the shaft sleeve is made to be axially fixed to the rotating shaft, and the rotating shaft can rotate in the circumferential direction.
Preferably, the outer peripheral surface of the rotating shaft is provided with a limiting groove, the outer peripheral surface of the shaft sleeve is provided with an opening corresponding to the limiting groove, and a part of the rotating shaft pressing plate is embedded into the opening and the limiting groove.
Preferably, the spindle pressing plate is capable of pressing against the spindle and imparting rotational damping to the spindle.
Preferably, the rotating shaft pressing plate presses against the rotating shaft through a screw, so that the rotating shaft pressing plate can apply rotary damping to the rotating shaft through the pretightening force of the screw.
Preferably, the rotation shaft includes a first shaft portion and a second shaft portion extending in directions perpendicular to each other, and a passage is formed inside the rotation shaft such that a lead wire of the optical assembly can extend to the outside of the lamp head of the desk lamp through the passage.
Preferably, one of the sleeve and the rotary shaft has a limit recess extending in a circumferential direction thereof, and the other of the sleeve and the rotary shaft has a limit projection extending in a circumferential direction thereof, the limit projection projecting into the limit recess so that an angle of rotation of the rotary shaft with respect to the sleeve can be limited by the limit projection and the limit recess.
Preferably, the housing comprises a lower cover and an upper cover, the upper cover is located at the top of the lower cover, the optical assembly is located between the lower cover and the upper cover, and light emitted by the optical assembly can be transmitted to the outside of the lamp holder of the desk lamp through the lower cover and/or the upper cover.
Preferably, the desk lamp cap further comprises an annular inner sleeve located inside the shell, the lower cover and the upper cover are fixed together through the inner sleeve, the optical assembly is nested inside the inner sleeve, the central axis of the shaft sleeve extends along the normal direction of the outer peripheral surface of the inner sleeve, and the shaft sleeve is fixedly connected with the inner sleeve.
Preferably, the optical assembly includes an LED light source, a light guide plate and reflective paper, the light guide plate is a circular plate, the LED light source is an LED strip including a plurality of LED beads, the LED light source extends along the circumferential direction of the light guide plate, and the reflective paper is of an annular structure and covers the LED light source on both axial sides of the light guide plate.
The utility model also provides a desk lamp, it includes any one of above technical scheme in the desk lamp holder.
By adopting the technical scheme, the shaft sleeve is sleeved on the rotating shaft and at least partially positioned in the shell, and the rotating shaft pressing plate is embedded into the rotating shaft from the inside of the desk lamp holder, so that the internal structure of the desk lamp holder is compact, the convex structure formed by clamping the rotating shaft in the prior art is eliminated, exposed screws are not arranged, and the appearance of the desk lamp holder is good in integrity and simplicity.
Drawings
Fig. 1 shows a perspective view of a conventional desk lamp base.
Fig. 2 shows an assembly view of the lamp head of the desk lamp of fig. 1.
Fig. 3 shows a perspective view of a lamp head of a desk lamp according to an embodiment of the present invention.
Fig. 4 shows an exploded view of the lamp head of the desk lamp in fig. 3.
Fig. 5 shows an exploded view of the spindle, the spindle sleeve, the spindle pressing plate and the inner sleeve of the lamp cap of the desk lamp in fig. 3.
Fig. 6 shows an assembly view of the lamp head of the desk lamp in fig. 3.
Description of the reference numerals
1, a shell; 11, a lower cover; 12, covering the upper cover;
2 an optical component; 21LED light sources; 22 a light guide plate; 23 reflective paper;
3, rotating a shaft; 31 a limiting groove; 32 a first shaft portion; 33 a second shaft portion; 34 a via; 35 limiting convex parts;
4, shaft sleeve; 41 limiting concave part; 42 is opened;
5, rotating a shaft pressing plate; 51, a screw;
6, inner sleeve;
71 a rotating shaft; 72, covering the upper cover; 73 a lower cover; 74 screw.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is only intended to teach one skilled in the art how to practice the invention, and is not intended to exhaust all possible ways of practicing the invention, nor is it intended to limit the scope of the invention.
As shown in fig. 3 to 6, an embodiment of the present invention provides a desk lamp holder, which includes: the optical module comprises a shell 1, an optical assembly 2, a rotating shaft 3, a shaft sleeve 4, a rotating shaft pressing plate 5 and an inner sleeve 6.
The inner sleeve 6 is of a circular ring structure, the outer peripheral surface of the inner sleeve is provided with a shaft sleeve 4 of which the central axis extends along the normal direction of the outer peripheral surface, and the shaft sleeve 4 is positioned outside the outer peripheral surface of the inner sleeve 6 and fixed on the inner sleeve 6. The rotary shaft 3 includes a first shaft portion 32 and a second shaft portion 33 extending in directions perpendicular to each other, and the sleeve 4 is fitted over the first shaft portion 32 such that the sleeve 4 is rotatable relative to the rotary shaft 3 in a circumferential direction of the rotary shaft 3.
The first shaft portion 32 has a limiting groove 31 formed on an outer peripheral surface thereof, the shaft sleeve 4 has an opening 42 formed on an outer peripheral surface thereof corresponding to the limiting groove 31, and a portion of the shaft pressing plate 5 is inserted into the opening 42 and the limiting groove 31, so that the shaft sleeve 4 is fixed to the shaft 3 in the axial direction of the shaft 3. The rotating shaft pressing plate 5 is fixedly connected with the shaft sleeve 4 and the inner sleeve 6 through screws 51, so that the rotating shaft pressing plate 5 can press against the rotating shaft 3 through the pretightening force of the screws 51 and apply rotation damping to the rotating shaft 3.
The shaft sleeve 4 is sleeved on the rotating shaft 3 and is partially positioned inside the shell 1, and the rotating shaft pressing plate 5 is positioned inside the shell 1, so that the internal structure of the desk lamp holder is compact, a convex structure in the prior art is eliminated, and the desk lamp holder can have a complete geometric shape and an ultrathin appearance. The screw 51 fixes the rotating shaft pressing plate 5 from the inside of the shell 1 of the desk lamp holder, and no exposed screw is arranged outside the desk lamp holder, so that the desk lamp holder is simple and attractive in appearance. In addition, the rotating shaft pressing plate 5 applies rotating damping to the rotating shaft 3, so that the lamp holder of the desk lamp can keep the irradiation angle unchanged after the irradiation angle is changed, the desk lamp has an active positioning function, and the desk lamp is convenient to use by a user. The pretightening force of the screw 51 can be adjusted, so that the rotating shaft 3 has adjustable rotation damping, the lamp holder of the desk lamp has proper rotation damping, and the rotation hand feeling is improved.
It will be appreciated that the sleeve 4 and inner sleeve 6 may be separately formed components that are then assembled and secured to one another. It is understood that the shaft pressing plate 5 is not limited to be fixed to the sleeve 4 and/or the inner sleeve 6, but may be fixed to the housing 1. It will be appreciated that the spindle pressure plate 5 is not limited to applying rotational damping to the spindle 3 by way of applying the pre-load force of the screw 51.
The shell 1 comprises a lower cover 11 and an upper cover 12, wherein the lower cover 11, the upper cover 12 and the inner sleeve 6 are in a circular ring structure. The outer peripheral surface of the inner sleeve 6 is provided with a plurality of lugs, each lug is provided with a through hole with the central axis extending along the axial direction of the inner sleeve 6, and the end surface of the lower cover 11 facing the upper cover 12 is provided with a blind hole corresponding to the through hole of the inner sleeve 6. The inner sleeve 6 is arranged on the end face, facing the upper cover 12, of the lower cover 11, the through holes of the inner sleeve 6 correspond to the blind holes of the lower cover 11 one by one, and screws penetrate through the through holes of the inner sleeve 6 and are screwed into the blind holes of the lower cover 11, so that the inner sleeve 6 is fixedly connected with the lower cover 11. The optical assembly 2 comprises an LED light source 21, a light guide plate 22 and reflective paper 23, the light guide plate 22 is a circular plate, the LED light source 21 is an LED strip including a plurality of LED beads, the LED light source 21 extends along the circumferential direction of the light guide plate 22, the reflective paper 23 is in an annular structure and covers the LED light source 21 on two axial sides of the light guide plate 22, and the optical assembly 2 is nested inside the inner sleeve 6. The outer peripheral surface of the inner sleeve 6 and the end surface of the upper cover 12 facing the lower cover 11 are provided with corresponding buckle structures, and the upper cover 12 and the inner sleeve 6 are fixedly connected through a buckle. The light emitted from the optical assembly 2 can be transmitted to the outside of the lamp head of the desk lamp through the holes in the centers of the annular structures of the lower cover 11 and the upper cover 12.
The upper cover 12 is fixedly connected with the inner sleeve 6 in a clamping mode, and exposed screws do not exist outside the lamp holder of the desk lamp, so that the lamp holder of the desk lamp is simple and attractive in appearance. It is understood that the ring-shaped structure of the lower cover 11, the upper cover 12, and the inner cover 6 is not limited to a circular ring, and may be a rectangular ring, an elliptical ring, or the like. It is understood that the upper cover 12 is not limited to being fixedly connected with the inner case 6, but may be fixedly connected with the lower cover 11. It is to be understood that the light source of the optical assembly 2 is not limited to the LED light source 21.
The spindle 3 is formed with a passage 34 inside, and the lead wire of the optical assembly 2 can extend to the outside of the lamp head of the desk lamp through the passage 34. The sleeve 4 has a limit recess 41 extending in its circumferential direction, the rotary shaft 3 has a limit projection 35 extending in its circumferential direction, and the limit projection 35 projects into the limit recess 41 so that the angle of rotation of the rotary shaft 3 with respect to the sleeve 4 can be limited by the limit projection 35 and the limit recess 41.
The wire of the optical assembly 2 extends to the outside of the lamp holder of the desk lamp through the passage 34, so that the wire is not exposed out of the lamp holder of the desk lamp, and the appearance of the lamp holder of the desk lamp is simple and beautiful. It is understood that the shaft sleeve 4 may be provided with a limit protrusion, and the rotation shaft 3 may be provided with a limit recess corresponding to the limit protrusion of the shaft sleeve 4.
The shell 1 and the second shaft part 33 are made of plastic, the first shaft part 32, the shaft sleeve 4 and the inner sleeve 6 are made of metal, and the first shaft part 32 and the second shaft part 33 are fixedly connected through injection molding.
The housing 1 and the second shaft portion 33 are made of plastic, so that the housing 1 and the second shaft portion 33 have smaller heat conductivity coefficients, heat emitted by the optical component 2 can be isolated, and the use experience of a user is improved. First axial region 32 and axle sleeve 4 are made by metal for first axial region 32 and axle sleeve 4 have better intensity and wearability, and the desk lamp holder is not fragile, has longer life.
The utility model has the advantages of it is following:
(i) the shaft sleeve 4 is sleeved on the rotating shaft 3 and is partially positioned inside the shell 1, and the rotating shaft pressing plate 5 is positioned inside the shell 1, so that the internal structure of the desk lamp holder is compact, a convex structure in the prior art is eliminated, and the desk lamp holder can have a complete geometric shape and an ultrathin appearance.
(ii) The screw 51 fixes the rotating shaft pressing plate 5 from the inside of the shell 1 of the desk lamp holder, the upper cover 12 is fixedly connected with the inner sleeve 6 in a clamping mode, and no exposed screw is arranged outside the desk lamp holder, so that the desk lamp holder is simple and attractive in appearance.
(iii) The rotating shaft pressing plate 5 applies rotating damping to the rotating shaft 3, so that the irradiation angle of the lamp holder of the desk lamp can be kept unchanged after the irradiation angle is changed, the desk lamp has an active positioning function, and the desk lamp is convenient to use by a user.
(iv) The pretightening force of the screw 51 can be adjusted, so that the rotating shaft 3 has adjustable rotation damping, the lamp holder of the desk lamp has proper rotation damping, and the rotation hand feeling is improved.
(v) The wire of the optical assembly 2 extends to the outside of the lamp holder of the desk lamp through the passage 34, so that the wire is not exposed out of the lamp holder of the desk lamp, and the appearance of the lamp holder of the desk lamp is simple and beautiful.
(vi) The housing 1 and the second shaft portion 33 are made of plastic, so that the housing 1 and the second shaft portion 33 have smaller heat conductivity coefficients, heat emitted by the optical component 2 can be isolated, and the use experience of a user is improved.
(vii) First axial region 32 and axle sleeve 4 are made by metal for first axial region 32 and axle sleeve 4 have better intensity and wearability, and the desk lamp holder is not fragile, has longer life.
It should be understood that the above embodiments are exemplary only, and are not intended to limit the present invention. Various modifications and alterations of the above-described embodiments may be made by those skilled in the art in light of the teachings of the present invention without departing from the scope thereof.
Claims (10)
1. A desk lamp holder comprises a shell, an optical component and a rotating shaft, wherein the optical component is arranged on the shell, the shell can rotate around the rotating shaft,
it is characterized in that the preparation method is characterized in that,
the desk lamp holder further comprises a shaft sleeve and a rotating shaft pressing plate, the shaft sleeve is sleeved on the rotating shaft, the shaft sleeve is fixed to the shell and at least partially located inside the shell, the rotating shaft pressing plate is located inside the shell and fixed to the shaft sleeve, one part of the rotating shaft pressing plate is embedded into the rotating shaft, the shaft sleeve is made to be axially fixed to the rotating shaft, and the rotating shaft can rotate in the circumferential direction.
2. The desk lamp base of claim 1,
the outer circumferential surface of the rotating shaft is provided with a limiting groove, the outer circumferential surface of the shaft sleeve is provided with an opening corresponding to the limiting groove, and one part of the rotating shaft pressing plate is embedded into the opening and the limiting groove.
3. A desk lamp cap according to claim 1 or 2,
the rotating shaft pressing plate can press against the rotating shaft and apply rotary damping to the rotating shaft.
4. A desk lamp cap as recited in claim 3,
the rotating shaft pressing plate presses against the rotating shaft through a screw, so that the rotating shaft pressing plate can apply rotary damping to the rotating shaft through the pretightening force of the screw.
5. A desk lamp cap according to claim 1 or 2,
the rotating shaft comprises a first shaft part and a second shaft part which extend along the directions perpendicular to each other, and a passage is formed inside the rotating shaft, so that a lead of the optical assembly can extend to the outside of the lamp cap of the desk lamp through the passage.
6. A desk lamp cap according to claim 1 or 2,
one of the shaft sleeve and the rotating shaft is provided with a limit concave part extending along the circumferential direction of the shaft sleeve, the other one of the shaft sleeve and the rotating shaft is provided with a limit convex part extending along the circumferential direction of the shaft sleeve, and the limit convex part extends into the limit concave part, so that the rotating angle of the rotating shaft relative to the shaft sleeve can be limited by the limit convex part and the limit concave part.
7. A desk lamp cap according to claim 1 or 2,
the casing includes lower cover and upper cover, the upper cover is located the top of lower cover, optical assembly is located the lower cover with between the upper cover, the light that optical assembly sent can see through the lower cover and/or the upper cover to the outside of desk lamp holder is propagated.
8. The desk lamp base of claim 7,
the desk lamp cap further comprises an annular inner sleeve, the annular inner sleeve is located inside the shell, the lower cover and the upper cover are fixed together through the inner sleeve, the optical assembly is nested on the inner side of the inner sleeve, the central axis of the shaft sleeve extends along the normal direction of the outer peripheral surface of the inner sleeve, and the shaft sleeve is fixedly connected with the inner sleeve.
9. A desk lamp cap according to claim 1 or 2,
the optical assembly comprises an LED light source, a light guide plate and reflective paper, the light guide plate is a circular plate, the LED light source is an LED lamp strip comprising a plurality of LED lamp beads, the LED light source extends along the circumferential direction of the light guide plate, the reflective paper is of an annular structure, and the two axial sides of the light guide plate are covered with the LED light source.
10. A desk lamp is characterized in that a desk lamp body is provided with a desk lamp body,
comprising a desk lamp cap according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120466646.4U CN214094107U (en) | 2021-03-04 | 2021-03-04 | Desk lamp holder and desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120466646.4U CN214094107U (en) | 2021-03-04 | 2021-03-04 | Desk lamp holder and desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214094107U true CN214094107U (en) | 2021-08-31 |
Family
ID=77440763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120466646.4U Active CN214094107U (en) | 2021-03-04 | 2021-03-04 | Desk lamp holder and desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214094107U (en) |
-
2021
- 2021-03-04 CN CN202120466646.4U patent/CN214094107U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |