CN117469642B - Table lamp capable of adjusting irradiation range - Google Patents
Table lamp capable of adjusting irradiation range Download PDFInfo
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- CN117469642B CN117469642B CN202311742671.0A CN202311742671A CN117469642B CN 117469642 B CN117469642 B CN 117469642B CN 202311742671 A CN202311742671 A CN 202311742671A CN 117469642 B CN117469642 B CN 117469642B
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- lamp
- driving mechanism
- body part
- lamp body
- rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005286 illumination Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 going up and down Chemical compound 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a desk lamp with an adjustable irradiation range, which comprises a support base and a lamp body part, wherein the support base is provided with a lamp body; the support base comprises a base body and a driving mechanism arranged on the base body, and the driving mechanism is used for enabling the lamp body part to be lifted and providing a rotation moment for the lamp body part when the lamp body part is lifted; the lamp body part comprises a lamp shade connected with the driving mechanism, a luminous lamp panel arranged in the lamp shade and reflecting rings hinged to two sides of the luminous lamp panel in opposite directions, and a transmission piece connected with the driving mechanism is connected between the top ends of the two reflecting rings, so that the driving mechanism drives the reflecting rings to swing through the transmission piece; when the lamp body part ascends, the bottom end of the reflecting ring swings outwards through the time rotation moment of the driving part by the driving mechanism, so that the reflecting angle of light rays is increased, the irradiation range is effectively enlarged, and when the lamp body part descends, the bottom end of the reflecting ring swings inwards, the reflecting angle of the light rays is reduced, the irradiation range is reduced, and the structure is more flexible, so that the specific lighting requirement of a user is met.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to a table lamp capable of adjusting an irradiation range.
Background
Currently, desk lamp products on the market generally employ a fixed illumination range design, which means that their illumination range is fixed. However, in some occasions, a wider illumination coverage range is needed, for example, in a larger working area or an activity requiring a wider illumination range, the illumination range of the existing desk lamp can be adjusted only by adjusting the height, the illumination range is limited to be expanded, so that the use scene of a user in a specific illumination requirement is difficult to meet, and the structure is relatively inflexible to use.
Disclosure of Invention
The invention aims to overcome the defects and provide the table lamp with a more flexible structure and adjustable irradiation range.
In order to achieve the above object, the present invention is specifically as follows:
A desk lamp capable of adjusting irradiation range comprises a support base and a lamp body part arranged on the support base;
the support base comprises a base body and a driving mechanism arranged on the base body, and the driving mechanism is used for enabling the lamp body part to be lifted and providing a rotation moment for the lamp body part when the lamp body part is lifted;
The lamp body part comprises a lamp shade connected with the driving mechanism, a luminous lamp panel arranged in the lamp shade and reflecting rings hinged to two sides of the luminous lamp panel in opposite directions, and a transmission piece connected with the driving mechanism is connected between the top ends of the two reflecting rings, so that the driving mechanism drives the reflecting rings to swing through the transmission piece.
Optionally, the driving medium is haulage rope, and haulage rope cross-under is in actuating mechanism, and when actuating mechanism carries out the rolling to the haulage rope, the bottom of haulage reflection ring outwards swings, when unreeling, the bottom of haulage reflection ring inwards swings.
Optionally, actuating mechanism locates the stretching rod of pedestal including going up and down, rotate and locate the pedestal and lie in the stretching rod and slide the rotary rod of locating in the transmission rod, stretching rod top and lamp shade are connected, stretching rod inner wall is equipped with the bayonet lock, the protruding helicla flute that extends along its length direction that is equipped with of transmission rod outer wall, the bayonet lock activity embedding helicla flute is interior, the rotary rod outer wall is connected with the transmission rod inner wall profile, the lamp shade is worn to locate in the activity of rotary rod top, haulage rope activity runs through the top of rotary rod.
Optionally, the rotary rod top is equipped with accomodates the boss, accomodates the boss periphery wall recess and is equipped with accomodates the recess to be used for holding the haulage rope of establishing the rolling.
Optionally, the gear is sleeved at the bottom end of the transmission rod, a plurality of support frames distributed along the circumferential direction are connected to the base in a sliding manner, and the support frames are provided with rack structures which are meshed with the gear.
Optionally, the outer peripheral wall of the seat body is provided with a containing notch corresponding to each supporting frame respectively, the outer ends of the supporting frames are provided with supporting parts, the supporting parts can be contained in the containing notch, and the outer peripheral wall of the supporting parts is in smooth transition connection with the outer peripheral wall of the seat body.
Optionally, the concave accommodation groove that is equipped with in the center at lamp shade top, accomodate the boss and hold in the accommodation groove.
Optionally, a connecting shaft is arranged on the inner top of the lampshade, a containing cavity is axially formed in the connecting shaft, the top end of the stretching rod is connected in the containing cavity, an air cavity is formed among the containing cavity, the stretching rod and the transmission rod, and a first air hole is formed in the cavity wall of the containing cavity;
the luminous lamp panel is arranged on the connecting shaft through a rotary bearing, the rotary bearing comprises a bearing shell fixed with the luminous lamp panel and a bearing inner shaft rotationally sleeved on the outer wall of the connecting shaft, an annular groove is formed in the outer peripheral wall of the bearing inner shaft, rotary blades and second air holes are uniformly distributed in the inner bottom of the annular groove along the circumferential direction, the second air holes are communicated with the first air holes, the annular groove is communicated with the air cavity, and a reel annular brush is sleeved on the outer peripheral wall of the bearing inner shaft.
Optionally, the aperture of the second air hole is larger than the aperture of the first air hole, and the distance between two adjacent second air holes is smaller than the aperture of the first air hole.
Optionally, the spool annular brush includes circular body and one end connection at the vortex brush of circular body outer wall, and the other end of vortex brush is connected with the balancing weight to when the axle drives spool annular brush rotation in the bearing, utilize the balancing weight to receive centrifugal force effect, drive vortex brush outwards to expand.
The beneficial effects of the invention are as follows: according to the invention, the driving mechanism is arranged on the base body, so that the lamp body part can perform lifting movement and provide rotating moment for the lamp body part, when the lamp body part ascends, the driving mechanism rotates moment for the transmission part in time, so that the bottom end of the reflecting ring swings outwards to increase the reflecting angle of light rays, thereby effectively expanding the irradiation range, and when the lamp body part descends, the bottom end of the reflecting ring swings inwards to reduce the reflecting angle of the light rays, thereby reducing the irradiation range, and the structure is more flexible, so that the specific lighting requirement of a user is met.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention with a lamp body portion not raised;
FIG. 2 is a schematic view of the structure of the present invention when the lamp body portion is not raised;
FIG. 3 is a schematic view of the structure of the present invention after the lamp body is partially raised;
FIG. 4 is an exploded view of a portion of the lamp body of the present invention;
FIG. 5 is a schematic cross-sectional view of a lamp body portion of the present invention;
FIG. 6 is an exploded schematic view of the support base of the present invention;
FIG. 7 is an exploded schematic view of the rotary bearing of the present invention;
Reference numerals illustrate: 11. a base; 111. a receiving notch; 121. a stretching rod; 122. a transmission rod; 123. a rotating rod; 1231. a receiving boss; 124. a bayonet lock; 125. a spiral groove; 126. a gear; 13. a support frame; 131. a rack structure; 132. a support part; 21. a lamp shade; 211. an accommodating groove; 212. a connecting shaft; 213. a first air hole; 22. a light emitting lamp panel; 23. a reflective ring; 24. a traction rope; 3. an air cavity; 41. a bearing housing; 42. an inner shaft of the bearing; 421. an annular groove; 422. rotating the leaves; 423. a second air hole; 5.a reel ring brush; 51. a circular body; 52. a vortex brush; 53. and (5) balancing weights.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.
As shown in fig. 1 to 7, the table lamp with adjustable illumination range according to the present embodiment includes a support base, the support base includes a base 11 and a driving mechanism disposed on the base 11, the driving mechanism is used for enabling the lamp body to be lifted and providing a rotation moment for the lamp body when the lamp body is lifted;
The desk lamp further comprises a lamp body part arranged on the supporting base, the lamp body part comprises a lamp shade 21 connected with the driving mechanism, a luminous lamp panel 22 arranged in the lamp shade 21 and reflecting rings 23 hinged to two sides of the luminous lamp panel 22 in opposite directions, and a transmission piece connected with the driving mechanism is connected between the top ends of the two reflecting rings 23, so that the driving mechanism drives the reflecting rings 23 to swing through the transmission piece. Specifically, the outer wall of the reflective ring 23 is hinged to the inner wall of the lamp housing 21 so that the reflective ring 23 swings.
Preferably, as shown in fig. 1,4 and 5, the transmission member is a traction rope 24, the traction rope 24 is connected to the driving mechanism in a penetrating way, when the driving mechanism winds the traction rope 24, the bottom end of the traction reflection ring 23 swings outwards, and when unreels, the bottom end of the traction reflection ring 23 swings inwards.
Specifically, when the lamp body part is at the lowest position, the extension length of the traction rope 24 is longest, the bottom end of the reflective ring 23 swings inwards under the action of gravity, part of light emitted by the light-emitting lamp panel 22 irradiates the reflective ring 23 and is emitted after being reflected by the reflective ring 23, at the moment, the reflection angle of the light is minimum, namely the irradiation range of the light-emitting lamp panel 22 is minimum, when the lamp body part moves upwards under the cooperation of the driving mechanism, even if the height of the lamp body part is increased, the driving mechanism applies a rotation moment to the traction rope 24, so that the traction rope 24 winds, the traction rope 24 generates traction force on the reflective ring 23, the bottom end of the reflective ring 23 swings outwards, a horn-shaped structure is formed between the reflective ring 23 and the light-emitting lamp panel 22, namely the reflection angle of the reflective ring 23 on the light is increased, thereby expanding the irradiation range of the light-emitting lamp panel 22, and combining the increase of the height of the light-emitting lamp panel 22, and the illumination range are wider; when the irradiation range needs to be reduced, the lamp body part is pressed under the cooperation of the driving mechanism, so that the height of the lamp body part is reduced, at the moment, the driving mechanism applies reverse rotation torque to the traction rope 24, the traction rope 24 is unreeled, at the moment, the bottom end of the reflecting ring 23 swings inwards under the dead weight, and therefore the reflection angle of the reflecting ring 23 to light is reduced, and meanwhile, the combined height is reduced, so that the irradiation range is effectively reduced.
According to the embodiment, the driving mechanism is arranged on the base body 11, so that the lamp body part can move up and down and provide a rotating moment for the lamp body part, when the lamp body part ascends, the driving mechanism rotates the moment for the transmission part in time, the bottom end of the reflecting ring 23 swings outwards, the reflecting angle of light rays is increased, the irradiation range is effectively enlarged, and when the lamp body part descends, the bottom end of the reflecting ring 23 swings inwards, the reflecting angle of light rays is reduced, the irradiation range is reduced, and the structure is more flexible, so that the specific lighting requirement of a user is met.
In some embodiments, the driving mechanism includes a stretching rod 121 lifting and lowering the base 11, a driving rod 122 rotatably disposed on the base 11 and located in the stretching rod 121, and a rotating rod 123 slidably disposed in the driving rod 122, the top end of the stretching rod 121 is connected with the lampshade 21, a bayonet lock 124 is disposed on the inner wall of the stretching rod 121, a spiral groove 125 extending along the length direction of the outer wall of the driving rod 122 is protruding on the outer wall of the driving rod 122, the bayonet lock 124 is movably embedded into the spiral groove 125, the outer wall of the rotating rod 123 is connected with the inner wall profile of the driving rod 122, the top end of the rotating rod 123 is movably disposed on the lampshade 21, and the traction rope 24 movably penetrates through the top of the rotating rod 123.
In actual use, a user lifts the lamp body, the lamp shade 21 drives the stretching rod 121 to move relative to the base 11, and at this time, the stretching rod 121 is matched with the spiral groove 125 through the bayonet 124, so as to drive the transmission rod 122 to rotate, and the transmission rod 122 synchronously drives the rotation rod 123 to rotate due to the molded surface connection between the transmission rod 122 and the rotation rod 123, so that the rotation rod 123 winds and unwinds the traction rope 24, and the reflection angle of the reflection ring 23 to light is adjusted, so that the irradiation range is adjusted.
Specifically, the seat 11 includes a circular plate and a hollow shaft connected to the center of the plate, and one end of the stretching rod 121 is lifted and lowered in the hollow shaft, so that the stretching rod 121 can slide and lift relative to the hollow shaft. Preferably, the stretching rod 121 is also in a form-locking connection with the hollow shaft body to prevent the stretching rod 121 from rotating relative to the hollow shaft body.
As shown in fig. 1 to 4, in the table lamp according to the present embodiment, in some embodiments, a receiving boss 1231 is provided at the top of the rotating rod 123, and a receiving groove is recessed in the outer periphery of the receiving boss 1231 for receiving the rolled traction rope 24. In this embodiment, the accommodating groove is provided so as to accommodate the rolled traction rope 24, and limit the rolled traction rope 24, so that the rolled traction rope is not easy to loosen.
As shown in fig. 1 and 6, in the table lamp according to the present embodiment, in some embodiments, a gear 126 is fixedly sleeved at the bottom end of the transmission rod 122, a plurality of supporting frames 13 distributed along the circumferential direction are slidably connected to the base 11, the supporting frames 13 are provided with rack structures 131, and the rack structures 131 are meshed with the gear 126. According to the embodiment, the supporting frame 13 is arranged, so that when the height of the lamp body part is increased, the transmission rod 122 drives the gear 126 to rotate, the gear 126 is matched with the rack structure 131 to drive the supporting frame 13 to extend outwards, the contact area between the supporting base and an external supporting surface is increased, the desk lamp is placed more stably, the anti-overturning capability of the desk lamp is improved, and the phenomenon that the desk lamp is easy to topple due to the fact that the gravity center of the lamp body part is too high is avoided; when the lamp body part is lowered, the transmission rod 122 drives the gear 126 to rotate reversely, so that the support frame 13 is retracted inwards.
As shown in fig. 2, 3 and 6, in some embodiments, the outer peripheral wall of the base 11 is provided with a receiving notch 111 corresponding to each supporting frame 13, the outer ends of the supporting frames 13 are provided with supporting portions 132, the supporting portions 132 can be received in the receiving notches 111, and the outer peripheral wall of the supporting portions 132 is in smooth transition connection with the outer peripheral wall of the base 11. In this embodiment, the accommodating notch 111 is provided, so that when the supporting frame 13 is fully retracted, the supporting portion 132 of the supporting frame 13 is accommodated in the accommodating notch 111, so that the structure of the supporting base is more compact and attractive.
As shown in fig. 1 and 2, in the desk lamp according to the present embodiment, in some embodiments, a receiving groove 211 is concavely formed in a center of a top of the lamp housing 21, and a receiving boss 1231 is accommodated in the receiving groove 211. In this embodiment, the accommodating groove 211 is formed at the top of the lampshade 21, so as to prevent the accommodating boss 1231 from protruding out of the top surface of the lampshade 21, and the structure is more reasonable and attractive.
As shown in fig. 1,4, 5 and 7, in some embodiments, a connecting shaft 212 is disposed on the inner top of the lamp cover 21, a receiving cavity is axially disposed on the connecting shaft 212, the top end of the stretching rod 121 is connected in the receiving cavity, an air cavity 3 is formed between the receiving cavity and the stretching rod 121 and the transmission rod 122, and a first air hole 213 is disposed on the cavity wall of the receiving cavity;
The light-emitting lamp panel 22 is arranged on the connecting shaft 212 through a rotary bearing, the rotary bearing comprises a bearing shell 41 fixed with the light-emitting lamp panel 22 and a bearing inner shaft 42 rotationally sleeved on the outer wall of the connecting shaft 212, an annular groove 421 is formed in the outer peripheral wall of the bearing inner shaft 42, rotary blades 422 and second air holes 423 are uniformly distributed in the inner bottom of the annular groove 421 along the circumferential direction, the second air holes 423 are communicated with the first air holes 213, the annular groove 421 is communicated with the air cavity 3, and a reel annular brush 5 is sleeved on the outer peripheral wall of the bearing inner shaft 42.
Specifically, when the height of the lamp body is increased, the stretching rod 121 and the transmission rod 122 generate relative motion in the axial direction, so that the effective volume of the air cavity 3 is increased, the pressure is reduced, at the moment, external air enters the annular groove 421 and enters the air cavity 3 through the second air hole 423 and the first air hole 213 to form air inlet flow, and meanwhile, the generated air flow pushes the bearing inner shaft 42 to rotate through the rotating blade 422, and the bearing inner shaft 42 drives the scroll annular brush 5 to rotate, so that the scroll annular brush 5 cleans the light-emitting surface of the light-emitting lamp disc 22, and dust accumulated on the surface of the light-emitting lamp disc 22 is cleaned, so that the lighting effect of the light-emitting lamp disc 22 is ensured; when the height of the lamp body part is reduced, the effective volume of the air cavity 3 is reduced, the pressure is increased, and the air in the air cavity 3 is sprayed into the annular groove 421 through the first air hole 213 and the second air hole 423 to form air jet, so that the bearing inner shaft 42 is pushed to rotate through the rotating blade 422, and the spool annular brush 5 cleans the light-emitting surface of the light-emitting lamp panel 22.
In some embodiments, the apertures of the second air holes 423 are larger than the apertures of the first air holes 213, and the distance between two adjacent second air holes 423 is smaller than the aperture of the first air holes 213; so configured, the first air hole 213 and the second air hole 423 remain in communication during rotation of the bearing inner shaft 42 to ensure continuous air flow during height adjustment.
As shown in fig. 1,4 and 5, in some embodiments, the scroll ring brush 5 includes a circular body 51 and a vortex brush 52 with one end connected to the outer wall of the circular body 51, the circular body 51 is fixedly sleeved on the outer wall of the bearing inner shaft 42 and is located below the light-emitting lamp panel 22, and the other end of the vortex brush 52 is connected with a balancing weight 53, so that when the bearing inner shaft 42 drives the scroll ring brush 5 to rotate, the balancing weight 53 is utilized to be subjected to centrifugal force, and the vortex brush 52 is driven to be outwards unfolded.
In actual use, the bearing inner shaft 42 drives the vortex brush 52 to rotate, so that the balancing weight 53 moves outwards under the action of centrifugal force, and the balancing weight 53 drives the vortex brush 52 to spread outwards, so as to brush the light-emitting surface of the light-emitting lamp panel 22, remove surface dust, clean more fully and have better cleaning effect.
In this embodiment, preferably, the vortex brush 52 is a hollow structure, the vortex brush 52 is filled with a non-newtonian fluid, and the non-newtonian fluid has enhanced rigidity when the rotation speed of the bearing inner shaft 42 is too high by utilizing the characteristics of the non-newtonian fluid, so as to limit the rotation speed of the bearing inner shaft 42 to be too high, and prevent the vortex brush 52 from colliding with the light-emitting lamp panel 22 due to the too high rotation speed, so that the lamp body part shakes, and the structure is more reliable to use. Specifically, the counterweight 53 and the vortex brush 52 are integrally formed, and the structure is more stable.
The foregoing description is only one preferred embodiment of the invention, and therefore all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are intended to be embraced therein.
Claims (5)
1. The table lamp capable of adjusting the irradiation range is characterized by comprising a support base and a lamp body part arranged on the support base;
the support base comprises a base body and a driving mechanism arranged on the base body, and the driving mechanism is used for enabling the lamp body part to be lifted and providing a rotation moment for the lamp body part when the lamp body part is lifted;
The lamp body part comprises a lamp shade connected with the driving mechanism, a luminous lamp panel arranged in the lamp shade and reflecting rings hinged to two sides of the luminous lamp panel in opposite directions, and a transmission piece connected with the driving mechanism is connected between the top ends of the two reflecting rings, so that the driving mechanism drives the reflecting rings to swing through the transmission piece;
The transmission piece is a traction rope, the traction rope is connected with the driving mechanism in a penetrating way, when the driving mechanism winds the traction rope, the bottom end of the traction reflection ring swings outwards, and when the traction rope is unreeled, the bottom end of the traction reflection ring swings inwards;
The driving mechanism comprises a stretching rod which is arranged on the base in a lifting manner, a transmission rod which is arranged on the base in a rotating manner and is positioned in the stretching rod, and a rotating rod which is arranged in the transmission rod in a sliding manner, wherein the top end of the stretching rod is connected with the lampshade;
the top of the rotating rod is provided with a storage boss, and the peripheral wall of the storage boss is concavely provided with a storage groove for accommodating the wound traction rope;
The bottom end of the transmission rod is fixedly sleeved with a gear, the base is slidably connected with a plurality of supporting frames distributed along the circumferential direction, the supporting frames are provided with rack structures, and the rack structures are meshed with the gear;
The outer peripheral wall of the seat body is provided with accommodating gaps corresponding to each supporting frame respectively, the outer ends of the supporting frames are provided with supporting parts, the supporting parts can be accommodated in the accommodating gaps, and the outer peripheral wall of the supporting parts is in smooth transition connection with the outer peripheral wall of the seat body.
2. The desk lamp as claimed in claim 1, wherein the concave portion of the top of the lamp housing is provided with a receiving groove, and the receiving boss is accommodated in the receiving groove.
3. The desk lamp with adjustable irradiation range according to claim 1, wherein a connecting shaft is arranged on the inner top of the lamp shade, a containing cavity is axially arranged on the connecting shaft, the top end of the stretching rod is connected in the containing cavity, an air cavity is formed among the containing cavity, the stretching rod and the transmission rod, and a first air hole is formed in the cavity wall of the containing cavity;
the luminous lamp panel is arranged on the connecting shaft through a rotary bearing, the rotary bearing comprises a bearing shell fixed with the luminous lamp panel and a bearing inner shaft rotationally sleeved on the outer wall of the connecting shaft, an annular groove is formed in the outer peripheral wall of the bearing inner shaft, rotary blades and second air holes are uniformly distributed in the inner bottom of the annular groove along the circumferential direction, the second air holes are communicated with the first air holes, the annular groove is communicated with the air cavity, and a reel annular brush is sleeved on the outer peripheral wall of the bearing inner shaft.
4. A desk lamp as recited in claim 3, wherein the second air holes have a larger aperture than the first air holes, and the adjacent two second air holes have a smaller spacing than the first air holes.
5. A desk lamp as recited in claim 3, wherein the scroll ring brush comprises a circular body and a scroll brush having one end connected to an outer wall of the circular body, and a weight is connected to the other end of the scroll brush, such that when the inner shaft of the bearing drives the scroll ring brush to rotate, the scroll brush is driven to spread outwards by centrifugal force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311742671.0A CN117469642B (en) | 2023-12-18 | 2023-12-18 | Table lamp capable of adjusting irradiation range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311742671.0A CN117469642B (en) | 2023-12-18 | 2023-12-18 | Table lamp capable of adjusting irradiation range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117469642A CN117469642A (en) | 2024-01-30 |
| CN117469642B true CN117469642B (en) | 2024-06-11 |
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ID=89623827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311742671.0A Active CN117469642B (en) | 2023-12-18 | 2023-12-18 | Table lamp capable of adjusting irradiation range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117469642B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823851B (en) * | 2024-02-22 | 2024-06-21 | 惠州市沃生照明有限公司 | Energy-saving pendant lamp capable of adjusting irradiation range |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205782650U (en) * | 2016-05-27 | 2016-12-07 | 重庆电讯职业学院 | A kind of desk lamp of scalable illumination range |
| CN211694634U (en) * | 2020-03-13 | 2020-10-16 | 深圳市好景润光电科技有限公司 | Portable LED eye-protecting desk lamp |
| CN219198995U (en) * | 2023-04-18 | 2023-06-16 | 宁波盛西迪电子科技有限公司 | Induction lamp with adjustable irradiation range |
| CN116518332A (en) * | 2023-06-29 | 2023-08-01 | 惠州市沃生照明有限公司 | Mechanical type random directional desktop desk lamp |
| CN117190095A (en) * | 2023-11-01 | 2023-12-08 | 惠州市沃生照明有限公司 | Table top desk lamp with irradiation range changing along with height |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9791127B2 (en) * | 2014-04-04 | 2017-10-17 | Christopher Langhart | Lighting apparatus with annular segmented reflector |
-
2023
- 2023-12-18 CN CN202311742671.0A patent/CN117469642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205782650U (en) * | 2016-05-27 | 2016-12-07 | 重庆电讯职业学院 | A kind of desk lamp of scalable illumination range |
| CN211694634U (en) * | 2020-03-13 | 2020-10-16 | 深圳市好景润光电科技有限公司 | Portable LED eye-protecting desk lamp |
| CN219198995U (en) * | 2023-04-18 | 2023-06-16 | 宁波盛西迪电子科技有限公司 | Induction lamp with adjustable irradiation range |
| CN116518332A (en) * | 2023-06-29 | 2023-08-01 | 惠州市沃生照明有限公司 | Mechanical type random directional desktop desk lamp |
| CN117190095A (en) * | 2023-11-01 | 2023-12-08 | 惠州市沃生照明有限公司 | Table top desk lamp with irradiation range changing along with height |
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| Publication number | Publication date |
|---|---|
| CN117469642A (en) | 2024-01-30 |
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