CN218671715U - Folding table lamp - Google Patents

Abstract

The utility model discloses a folding desk lamp, including the lamp holder, the lamp stand, the revolute joint, the lamp pole, locking structure and unlocking structure, wherein the revolute joint sets up on the lamp stand, lamp pole upper end rotates with the lamp holder to be connected, lower tip and revolute joint pin joint, the lamp pole has the operating position of standing upright or inclining to the lamp stand and violently lies in the storage position of lamp stand, locking structure is used for keeping the lamp pole at operating position or storage position, unlocking structure configuration is for bearing the holding condition of external force in order to relieve the lamp pole that the user applyed on it, and allow the lamp pole to switch between operating position and storage position, make things convenient for folding of desk lamp to accomodate and the normal lighting use, the operation is more convenient, the lamp pole is when operating position or storage position, the gravity lead of folding desk lamp falls in the region that the lamp stand outline was injectd, the difficult emergence is emptyd the problem, need not to consider to add the counter weight spare for the lamp stand additionally, can make the design of desk lamp lighter, it is more portable.

Description

Folding table lamp

Technical Field

The utility model relates to the technical field of lighting technology, in particular to folding desk lamp.

Background

The desk lamp is an important lighting device in daily study and work. The lamp post can rotate and fold around the pin joint of the lamp post and the lamp holder so as to adjust the position of the lamp holder and facilitate illumination. When the desk lamp is not used or transported, the lamp pole can also be folded and stored on the lamp holder, the occupied area and the packaging volume are reduced, and the desk lamp is convenient to carry, package and transport. In the prior art, some table lamps are connected between a lamp post and a lamp holder through a damping rotating shaft, so that the lamp post can rotate to any angle position and be kept in work, and the table lamps are convenient to use. However, when the lamp post of the desk lamp rotates by a certain angle, the gravity center line of the whole desk lamp deviates relative to the lamp holder, the desk lamp tends to topple towards one side of the gravity center line of the desk lamp by taking the edge of the outer contour of the lamp holder as a fulcrum, the whole desk lamp is prone to toppling dangers, the lamp post cannot be normally used in a working state, and the desk lamp is not convenient and fast to operate. However, the traditional solution increases the design weight of the lamp holder of the desk lamp, which also makes the desk lamp heavy and not portable enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a folding desk lamp that the operation is more convenient, more portable.

Therefore, the utility model provides a folding desk lamp, include:

a lamp cap;

a lamp socket;

the rotary joint is arranged on the lamp holder;

the lamp post is provided with a working position which is vertical or inclined to the lamp holder and a containing position which is horizontally laid on the lamp holder;

a locking structure for holding the light pole in a working position or a storage position;

an unlocking structure configured to receive an external force applied thereto by a user to release a holding state of the lamp pole and allow the lamp pole to be switched between the working position and the storage position;

when the lamp pole is at the working position or the storage position, the gravity center line of the folding desk lamp is positioned in the area limited by the outer contour of the lamp holder.

Preferably, the rotating joint is fixedly arranged on the lamp holder, the lower end of the lamp post is provided with a rotating body pivoted with the rotating joint, and the locking structure comprises a lock tongue movably arranged on the lamp holder, a lock hole arranged on the rotating body and matched with the lock tongue, and a spring connected between the lamp holder and the lock tongue.

Preferably, the rotating body has a rotating surface extending along an outer peripheral side of a rotating direction thereof, the latch is movably disposed on the lamp holder in an up-down direction, and the locking hole is disposed on the rotating surface.

Preferably, the rotating surface is a circular arc surface or a cylindrical surface.

Preferably, the unlocking structure comprises an unlocking operation member which is movably arranged on the lamp holder and is in sliding fit with the lock tongue.

Preferably, the unlocking actuating element is arranged on the lamp base so as to be movable in the horizontal direction.

Preferably, the unlocking operation member is provided with a wedge-shaped part inclined to the horizontal plane, and the lock tongue is provided with a wedge-shaped surface matched with the wedge-shaped part.

Preferably, the rotary joint is movably arranged on the lamp holder along the vertical direction, the rotary joint has a first position and a second position higher than the first position relative to the lamp holder, when the rotary joint moves to the first position, the locking structure locks the rotary joint at the first position so as to keep the lamp pole at the working position, and when the rotary joint moves to the second position, the lamp pole is allowed to be switched from the working position to the storage position.

Preferably, the locking structure comprises a clamping part arranged on the lamp holder and a clamping matching part arranged on the lamp pole or the rotating joint.

Preferably, one of the engaging portion and the engaging engagement portion is a latching block, and the other of the engaging portion and the engaging engagement portion is a latching hole.

Preferably, part of the stem of the light pole constitutes the unlocking structure, the light pole being configured to receive an axial force exerted thereon by a user to unlock the revolute joint from the first position.

Preferably, the rotary joint is a pair of rotary wheels pivoted at two opposite sides of the lower end of the lamp pole.

Preferably, the lamp holder is provided with a connecting portion protruding out of the upper surface of the lamp holder, the top of the connecting portion is provided with a mounting opening, one side of the connecting portion is provided with a first notch, the inside of the connecting portion is provided with an accommodating groove, the rotating joint is accommodated in the accommodating groove, the top of the rotating joint is provided with a connecting opening, one side of the rotating joint is provided with a second notch, the inside of the rotating joint is provided with a rotating cavity, the lower end of the lamp pole is pivoted in the rotating cavity, the working position of the lamp pole and the lamp holder form an included angle of 90 degrees, the accommodating position of the lamp pole and the lamp holder form an included angle of 0 degree or 180 degrees, and the lamp pole penetrates through the first notch and the second notch.

Preferably, the connecting part is arranged at one side edge of the lamp holder.

Preferably, the top of the containing groove is provided with a retaining wall for preventing the rotary joint from falling out.

Preferably, a limiting wall extending towards the inside of the accommodating groove along a plane inclined to the horizontal plane is arranged at the first notch, and a damping structure is arranged between the lamp post and the rotating joint and configured to provide a friction force between the lamp post and the rotating joint, so that the lamp post is maintained at any angle position between the working position and the limiting wall.

Preferably, the included angle between the limiting wall and the horizontal plane is 30 degrees, and the included angle between the lamp pole and the horizontal plane is 90 degrees when the lamp pole is in the working position.

Preferably, when the lamp pole is in the working position or the storage position, the moment generated by the lamp pole and the lamp holder at the rotating joint is smaller than or equal to the moment generated by the damping structure at the rotating joint.

Preferably, the damping structure comprises a plurality of friction plates, a first torsion spring, a second pivot, a second torsion spring, a third pivot and a shifting piece, the friction plates and the first torsion spring are jointly arranged on the first pivot, the second pivot is arranged on the rotating joint and located on the lower side of the first pivot, the second torsion spring is arranged on the second pivot and used for resetting the shifting piece, the third pivot is arranged in the accommodating groove and located on the lower side of the second pivot, the shifting piece is rotatably arranged on the third pivot, the shifting piece is provided with a first shifting arm and a second shifting arm, when the rotating joint is located at the first position, the first shifting arm is abutted to the rotating joint, the second shifting arm simultaneously compresses the first torsion spring and the second torsion spring, and when the rotating joint is located at the second position, the second torsion spring drives the shifting piece to reset.

Compared with the prior art, the beneficial effects of the utility model are as follows:

through set up the revolute joint on the lamp stand, tip and revolute joint pin joint under the lamp pole, keep the lamp pole at operating position or accomodate the position through locking structure, bear the holding state of external force in order to relieve the lamp pole that the user applyed on it through unlocking structure, and allow the lamp pole to switch between operating position and accomodate the position, make things convenient for folding of desk lamp to accomodate and the normal lighting use, it is more convenient to operate, and the lamp pole is when operating position or accomodate the position, the gravity lead of folding desk lamp falls on the region that the lamp stand outline was injectd all the time, the problem is emptyd to difficult the emergence of desk lamp, need not to consider to add the counterweight for the lamp stand additionally, can make the design of desk lamp lightweight more, and is more portable.

Drawings

Fig. 1 is a perspective view of a folding desk lamp according to embodiment 1 of the present invention (with a lamp post in a working position);

fig. 2 is a perspective view of a foldable desk lamp according to embodiment 1 of the present invention (with the lamp post in the storage position);

fig. 3 is an exploded view of a folding desk lamp according to embodiment 1 of the present invention (the desk lamp faces the user's view);

fig. 4 is an exploded view of a folding desk lamp according to embodiment 1 of the present invention (the desk lamp faces away from the user's view);

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a cross-sectional view of a foldable desk lamp according to embodiment 1 of the present invention (with the lamp post in the working position);

fig. 7 is a partial enlarged view at B shown in fig. 6;

FIG. 8 is an enlarged view of a portion of FIG. 6 at C;

fig. 9 is a cross-sectional view of the foldable desk lamp according to embodiment 1 of the present invention (with the lamp post in the storage position);

FIG. 10 is an enlarged view of a portion of FIG. 9 at D;

fig. 11 is a perspective view of a foldable desk lamp according to embodiment 2 of the present invention (with the lamp post in the working position);

fig. 12 is a perspective view of a foldable desk lamp according to embodiment 2 of the present invention (with the lamp post in the storage position);

fig. 13 is an exploded view of a folding desk lamp according to embodiment 2 of the present invention;

fig. 14 is a partial enlarged view at E shown in fig. 13;

fig. 15 is a cross-sectional view of a foldable desk lamp according to embodiment 2 of the present invention (with the lamp post in the working position);

fig. 16 is a partial enlarged view at F shown in fig. 15;

fig. 17 is a partial enlarged view at G shown in fig. 15;

fig. 18 is a cross-sectional view of a folding desk lamp according to embodiment 2 of the present invention (the desk lamp faces away from the user's view);

FIG. 19 is a partial enlarged view at H shown in FIG. 18;

fig. 20 is a cross-sectional view of a foldable desk lamp according to embodiment 2 of the present invention (with the lamp post in the storage position);

FIG. 21 is an enlarged fragmentary view at I shown in FIG. 20;

fig. 22 is a perspective view of a foldable desk lamp according to embodiment 3 of the present invention (with the lamp post in the working position);

fig. 23 is a perspective view of a foldable desk lamp according to embodiment 3 of the present invention (with the lamp post in the storage position);

fig. 24 is an exploded view of a folding desk lamp according to embodiment 3 of the present invention;

fig. 25 is a cross-sectional view of a foldable desk lamp according to embodiment 3 of the present invention (the rotary joint is located at the first position, and the lamp post forms an included angle of 90 ° between the working position and the lamp holder);

FIG. 26 is an enlarged fragmentary view at J shown in FIG. 25;

FIG. 27 is an enlarged fragmentary view at K shown in FIG. 25;

fig. 28 is a cross-sectional view of a foldable desk lamp according to embodiment 3 of the present invention (the rotary joint is located at the first position, and the lamp post forms an included angle of 30 ° between the working position and the lamp holder);

FIG. 29 is an enlarged fragmentary view at L shown in FIG. 28;

fig. 30 is a cross-sectional view of a foldable desk lamp according to embodiment 3 of the present invention (the swivel joint is located at the second position, allowing the lamp post to be switched from the working position to the storage position);

FIG. 31 is an enlarged fragmentary view at M shown in FIG. 30;

fig. 32 is a cross-sectional view of a foldable desk lamp according to embodiment 3 of the present invention (the swivel joint is located at the second position, the lamp post is at the storage position);

FIG. 33 is an enlarged view of a portion of FIG. 32 at N;

wherein the reference numbers are as follows:

100. folding the desk lamp; 101. a center line of gravity;

1. a lamp cap; 11. a housing; 111. an upper cover; 112. a frame; 12. a light-transmitting cover; 13. a connecting rod;

2. a lamp socket; 21. a connecting portion; 211. an installation port; 212. a first notch; 213. an accommodating groove; 214. a retaining wall; 215. a limiting wall; 22. an electronic control assembly; 23. a plug; 24. a counterweight; 25. an upper seat shell; 26. a lower seat shell;

3. a revolute joint; 30. a rotating wheel; 31. a connecting port; 32. a second notch; 33. a rotation chamber; 34. a first position; 35. a second position;

4. a lamp post; 41. a rotating body; 411. a rotating surface; 42. a damping rotating shaft; 44. a first pivot;

5. a locking structure; 51. a latch bolt; 511. a wedge-shaped surface; 52. a lock hole; 53. a spring; 54. a clamping block; 55. a clamping hole;

6. an unlocking structure; 61. an unlocking operation member; 611. a wedge portion;

7. a damping structure; 71. a friction plate; 72. a first torsion spring; 73. a second pivot; 74. a second torsion spring; 75. a third pivot; 76. a shifting sheet;

8. a light source module; 81. a light source plate; 82. a light emitting element.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms upper, lower, vertical, horizontal, top, bottom, inner, outer, circumferential, axial, rotational, and the like indicate orientations or positional relationships that are based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that the terms first and second are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated, unless explicitly stated or limited otherwise. Thus, the features defined as first and second may explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, a plurality means two or more.

Throughout the description of the present application, it is to be noted that unless otherwise expressly specified or limited, the terms mounted, connected and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection or an integral connection; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The structure composition and the working principle of the folding table lamp in embodiment 1 will be specifically described below with reference to fig. 1 to 10; the structure composition and the working principle of the foldable desk lamp in embodiment 2 are specifically described with reference to fig. 11 to 21; the structural composition and the working principle of the folding table lamp in embodiment 3 are specifically described with reference to fig. 22 to 33.

Example 1

Referring to fig. 1 to 4, embodiment 1 provides a foldable desk lamp 100, which includes a lamp holder 1, a lamp holder 2, a rotation joint 3, a lamp post 4, a locking structure 5, and an unlocking structure 6. The rotary joint 3 is arranged on the lamp holder 2, the upper end part of the lamp pole 4 is rotationally connected with the lamp holder 1 through a damping rotating shaft 42, the lower end part of the lamp pole 4 is pivoted with the rotary joint 3, and the lamp pole 4 is provided with a working position which is vertical or inclined to the lamp holder 2 and a containing position which is horizontally laid on the lamp holder 2; the locking structure 5 is used for keeping the lamp post 4 at the working position or the storage position; the unlocking structure 6 is configured to withstand an external force exerted thereon by a user to release the holding state of the lamp post 4 and allow the lamp post 4 to be switched between the working position and the storage position; when the lamp post 4 is at the working position or the storage position, the gravity center line of the folding desk lamp falls in the area limited by the outer contour of the lamp holder 2.

Referring to fig. 6 and 8, the lamp cap 1 includes a housing 11 and a light-transmitting cover 12, an opening is disposed at the bottom of the housing 11, the light-transmitting cover 12 is combined with the bottom of the housing 11 and seals the opening, and an optical cavity is defined by the light-transmitting cover 12 and the housing 11. In some embodiments, the light-transmissive cover 12 and the housing 11 may be combined by a snap connection, an adhesive connection, a screw connection, a rivet connection, or a welding, and the combination is not limited. The light source module 8 is disposed in the optical cavity inside the lamp cap 1, and the light source module 8 includes a light source board 81 mounted inside the housing 11 and a light emitting element 82 disposed on the light source board 81. In some embodiments, the light source board 81 may be an aluminum substrate or a PCB, and is not particularly limited; the light emitting element 82 may be an LED lamp bead, an LED light emitting chip (SMD chip or COB-LED chip), or the like, and is not particularly limited.

Referring to fig. 3 and 4, the socket 2 is provided with a connecting portion 21 protruding from an upper surface of the socket 2, a top of the connecting portion 21 is provided with a mounting opening 211, a side portion is provided with a first notch 212, and an inner portion is provided with a receiving groove 213. The revolute joint 3 is fixedly provided to the socket 2 and is accommodated in the accommodation groove 213. The connection portion 21 is disposed at one side edge of the lamp socket 2. Due to the design, the operable space on the lamp holder 2 is enlarged, and a user can conveniently operate a control panel on the lamp holder 2, such as keys, buttons and the like; the gravity center line of the folding desk lamp 100 is easier to fall in the area limited by the outer contour of the lamp holder 2, and the stability of the desk lamp is improved. In some embodiments, the design position of the connecting portion 21 is not limited to a position on one side of the lamp holder 2, but may also be designed in a position in the middle of the lamp holder 2, and is not particularly limited. The rotary joint 3 and the receiving groove 213 are tightly fitted, and in some embodiments, the rotary joint 3 and the receiving groove 213 may also be connected by a snap connection, a screw connection, an adhesive connection, or the like, which is not limited in particular. Referring to fig. 6, an electrical control assembly 22 is disposed in the lamp holder 2, the electrical control assembly 22 generally includes a circuit board, such as a PCB board, the electrical control assembly 22 is electrically connected to the light source board 81 in the lamp holder 1 through a wire, the lamp holder 2 is connected to a plug 23, the plug 23 is electrically connected to the electrical control assembly 22, and the plug 23 can be connected to a mains supply, so as to supply power to the desk lamp, which is not specifically described again.

Referring to fig. 5, the top of the rotary joint 3 is provided with a connection port 31, one side thereof is provided with a second notch 32, and the interior thereof is provided with a rotary cavity 33. The lower end of the lamp pole 4 is provided with a rotating body 41 pivoted with the rotating joint 3, and the rotating body 41 is pivoted in the rotating cavity 33 through a first pivot 44.

Referring to fig. 6 and 7, fig. 9 and 10, an included angle between the lamp post 4 and the lamp socket 2 is 90 ° in the working position, an included angle between the lamp post 4 and the lamp socket 2 is 0 ° or 180 ° in the accommodating position, and the lamp post 4 passes through the first notch 212 and the second notch 32.

Referring to fig. 3, 4, 7 and 10, the locking structure 5 includes a latch 51 movably disposed on the lamp socket 2, a lock hole 52 disposed on the rotating body 41 and engaged with the latch 51, and a spring 53 connected between the lamp socket 2 and the latch 51. The rotating body 41 has a rotating surface 411 extending along the outer periphery of the rotating direction, the latch 51 is movably disposed on the lamp holder 2 along the vertical direction, specifically, the latch 51 is slidably fitted in the receiving groove 213 of the connecting portion 21 along the vertical direction and is located below the rotating joint 3, and the locking hole 52 is disposed on the rotating surface 411. The rotating surface 411 is a cylindrical surface. In some embodiments, the rotating body 41 may also be designed in a spherical shape, the rotating surface 411 may also be a circular arc surface, and the locking holes 52 on the rotating surface 411 are not limited to two, but may also be three or more, and a plurality of locking holes 52 may be uniformly arranged on the rotating surface 411 along the rotating direction, so that the lamp post 4 has a plurality of working positions standing upright or inclined to the lamp holder 2, which is not limited in particular.

Referring to fig. 5, the unlocking structure 6 includes an unlocking operation member 61 movably disposed on the lamp holder 2 and slidably engaged with the latch 51. The unlocking operation member 61 is movably provided in the horizontal direction on the lamp socket 2. The unlocking operation member 61 is provided with a wedge portion 611 inclined to the horizontal plane, and the latch 51 is provided with a wedge surface 511 engaged with the wedge portion 611. It is convenient for the user to press or release the unlocking operation member 61 in the horizontal direction.

The working principle is realized as follows: in operation, when the user presses the unlocking operation member 61, the wedge-shaped part 611 of the unlocking operation member 61 and the wedge-shaped surface 511 on the bolt 51 are relatively displaced, so that the bolt 51 is forced to compress the spring 53 downwards and withdraw from the lock hole 52, at this time, the user can rotate the lamp post 4 to rotate the lamp post 4 around the first pivot 44 by an angle, so as to rotate the lamp post 4 to the working position standing upright on the lamp holder 2, at which the lamp post 4 forms a 90-degree angle with the lamp holder 2, and at the same time, the user releases the unlocking operation member 61, the spring 53 recovers the elastic deformation and drives the bolt 51 to enter the lock hole 52, so that the lamp post 4 is kept in the working position standing upright on the lamp holder 2 (see fig. 7); when the user wants to store the folding table lamp 100 for packing, transportation or carrying, the above-mentioned pressing of the unlocking operation member 61 can be repeated to rotate the lamp post 4 to the storage position lying across the lamp socket 2 (see fig. 10), where the lamp post 4 is at an angle of 0 ° or 180 ° to the lamp socket 2, and the user releases the unlocking operation member 61 at the storage position, so that the lamp post 4 can be held at the storage position.

Bear the external force that the user applyed on it through unlocking structure 6 in order to relieve the holding state of lamp pole 4, and allow lamp pole 4 to switch between operating position and storage position, make things convenient for folding of desk lamp to accomodate and normally throw light on the use, it is more convenient to operate, and lamp pole 4 is when operating position or storage position, the gravity center line of folding desk lamp 100 falls in the region that 2 outline of lamp stand were injectd all the time, the problem is emptyd to difficult the emergence of desk lamp, need not to consider for lamp stand 2 extra weight counterbalance parts that increase, can make the design of desk lamp lightweight more, it is more portable.

Example 2

Referring to fig. 11 to 14, embodiment 2 provides a foldable desk lamp 100, which includes a lamp holder 1, a lamp holder 2, a rotation joint 3, a lamp post 4, a locking structure 5, and an unlocking structure. The rotary joint 3 is arranged on the lamp holder 2, the upper end part of the lamp post 4 is rotationally connected with the lamp holder 1 through a damping rotating shaft 42, the lower end part of the lamp post 4 is pivoted with the rotary joint 3, and the lamp post 4 is provided with a working position which is vertical or inclined to the lamp holder 2 and a containing position which is horizontally laid on the lamp holder 2; the locking structure 5 is used for keeping the lamp post 4 at the working position or the storage position; the unlocking structure is configured to withstand an external force exerted thereon by a user to release the holding state of the lamp post 4 and allow the lamp post 4 to be switched between the working position and the storage position; when the lamp post 4 is at the working position or the storage position, the gravity center line of the folding desk lamp is positioned in the area limited by the outer contour of the lamp holder 2.

Referring to fig. 15 and 17, the lamp cap 1 includes a housing 11 and a light-transmitting cover 12, an opening is disposed at the bottom of the housing 11, the light-transmitting cover 12 is combined with the bottom of the housing 11 and seals the opening, and an optical cavity is defined by the light-transmitting cover 12 and the housing 11. In some embodiments, the light-transmitting cover 12 and the housing 11 may be combined by a snap connection, an adhesive connection, a screw connection, a rivet connection, or a welding, and the combination is not limited. The light source module 8 is disposed in the optical cavity inside the lamp cap 1, and the light source module 8 includes a light source board 81 mounted inside the housing 11 and a light emitting element 82 disposed on the light source board 81. In some embodiments, the light source board 81 may be an aluminum substrate or a PCB, and is not particularly limited; the light emitting element 82 may be an LED lamp bead, an LED light emitting chip (SMD chip or COB-LED chip), or the like, and is not particularly limited.

Referring to fig. 13 and 14, the socket 2 is provided with a connecting portion 21 protruding from an upper surface of the socket 2, a top of the connecting portion 21 is provided with a mounting opening 211, a side portion is provided with a first notch 212, and an inner portion is provided with a receiving groove 213. The connection portion 21 is disposed at one side edge of the lamp socket 2. Due to the design, the operable space on the lamp holder 2 is enlarged, and a user can conveniently operate a control panel on the lamp holder 2, such as keys, buttons and the like; the gravity center line of the folding table lamp 100 is easier to fall in the area limited by the outer contour of the lamp holder 2, and the stability of the table lamp is improved. In some embodiments, the design position of the connecting portion 21 is not limited to a position on one side of the lamp holder 2, but may also be designed in a position in the middle of the lamp holder 2, and is not particularly limited. Referring to fig. 15, an electrical control assembly 22 is disposed in the lamp holder 2, the electrical control assembly 22 generally includes a circuit board, such as a PCB board, the electrical control assembly 22 is electrically connected to the light source board 81 in the lamp holder 1 through a wire, the lamp holder 2 is connected to a plug 23, the plug 23 is electrically connected to the electrical control assembly 22, and the plug 23 can be connected to a mains supply, so as to supply power to the desk lamp, which is not specifically described again.

Referring to fig. 16, 19 and 21, the rotary joint 3 is movably disposed on the lamp socket 2 in the vertical direction. Specifically, the swivel joint 3 is a pair of swivel wheels 30 pivotally connected to opposite sides of the lower end of the lamp post 4, and the swivel wheels 30 are slidably fitted in the receiving groove 213 in the vertical direction. In order to prevent the rotary joint 3 from being removed from the receiving groove 213 and the lamp post 4 from being removed from the lamp socket 2, a blocking wall 214 for preventing the rotary joint 3 from being removed is provided at the top of the receiving groove 213.

The locking structure 5 includes an engaging portion provided on the socket 2 and an engaging portion provided on the lamp post 4. Specifically, the engaging portion is a latch 54 disposed on a wall of the receiving groove 213 of the connecting portion 21, and the engaging and cooperating portion is a latch hole 55 disposed at a lower end of the lamp post 4.

The rotary joint 3 has a first position 34 and a second position 35 higher than the first position 34 relative to the lamp holder 2, when the rotary joint 3 moves to the first position 34, the latch 54 on the lamp holder 2 is latched into the latch hole 55 on the lamp post 4, and the rotary joint 3 is locked at the first position 34 so as to keep the lamp post 4 at the working position (see fig. 15, 16, 18 and 19). Part of the body of the light pole 4 constitutes an unlocking structure, and the light pole 4 is configured to bear axial force applied thereon by a user, so as to force the latch 54 out of the latch hole 55, and to unlock the revolute joint 3 from the first position 34. When the rotary joint 3 moves to the second position 35, the lamp post 4 is allowed to be switched from the operating position to the storage position (see fig. 20 and 21).

The working principle is realized as follows: in operation, a user rotates the lamp post 4, the lamp post 4 rotates to a working position standing upright on the lamp holder 2 through the pair of rotating wheels 30, an included angle of 90 degrees is formed between the lamp post 4 and the lamp holder 2 at the working position, the user can apply downward external force along the axial direction of the lamp post 4, so that the rotating wheels 30 move downwards to the first position 34, and meanwhile, the clamping blocks 54 on the lamp holder 2 are clamped into the clamping holes 55 on the lamp post 4 to keep the lamp post 4 at the working position; when a user wants to store the foldable desk lamp 100 for packaging, transportation or carrying, the user can apply an upward external force along the axial direction of the lamp post 4 to force the latch 54 on the lamp holder 2 to be disengaged from the latch hole 55 on the lamp post 4, so that the rotating wheel 30 moves upward to the second position 35, the user can rotate the lamp post 4, and the lamp post 4 is rotated by the pair of rotating wheels 30 to the storage position lying across the lamp holder 2, where the lamp post 4 and the lamp holder 2 form an included angle of 0 ° or 180 °.

The holding state of the lamp pole 4 is relieved by bearing the axial force applied to the lamp pole 4 by a user through the partial pole body of the lamp pole 4, the lamp pole 4 is allowed to be switched between the working position and the storage position, the desk lamp is convenient to fold, store and normally illuminate, the operation is more convenient and faster, the lamp pole 4 is in the working position or the storage position, the gravity center line of the folding desk lamp 100 always falls in the area limited by the outer contour of the lamp holder 2, the desk lamp is not prone to topple over, the additional counterweight part added to the lamp holder 2 is not required to be considered, and the design of the desk lamp is lighter and more portable.

Example 3

Referring to fig. 22 to 24, embodiment 3 provides a foldable desk lamp 100, which includes a lamp holder 1, a lamp holder 2, a rotation joint 3, a lamp post 4, a connection rod 13, a locking structure 5, and an unlocking structure. Damping rotating shafts 42 are installed at two end parts of the connecting rod 13, one end part of the connecting rod 13 is rotatably connected with the upper end part of the lamp post 4 through the damping rotating shafts 42, and the other end part of the connecting rod 13 is rotatably connected with the lamp cap 1 through the damping rotating shafts 42. In some embodiments, the connection rod 13 may not be additionally designed between the lamp holder 1 and the lamp post 4, and the upper end of the lamp post 4 may be directly rotatably connected to the lamp holder 1 through the damping rotating shaft 42, which is not limited in particular. The rotary joint 3 is arranged on the lamp holder 2, the lower end part of the lamp post 4 is pivoted with the rotary joint 3, and the lamp post 4 is provided with a working position which is vertical or inclined to the lamp holder 2 and a containing position which is horizontally laid on the lamp holder 2; the locking structure 5 is used for keeping the lamp pole 4 at the working position or the storage position; the unlocking structure is configured to withstand an external force exerted thereon by a user to release the holding state of the lamp post 4 and allow the lamp post 4 to be switched between the working position and the storage position; when the lamp post 4 is at the working position or the storage position, the gravity center line of the folding desk lamp is positioned in the area limited by the outer contour of the lamp holder 2.

Referring to fig. 25 and 27, the lamp cap 1 includes a housing 11 and a light-transmitting cover 12, the housing 11 includes an upper cover 111 and a frame 112, the upper cover 111 is combined with the frame 112, in some embodiments, the combination manner of the upper cover 111 and the frame 112 may be a snap connection, an adhesive connection, a screw connection, a rivet connection, or a welding connection, and the specific combination manner is not limited. The transparent cover 12 is overlapped on the inner side of the frame 112, and the transparent cover 12 and the frame 112 may be combined in the same manner as the above-mentioned combination between the upper cover 111 and the frame 112, and are not limited in particular. The light-transmitting cover 12 and the housing 11 together enclose an optical cavity. The light source module 8 is disposed in the optical cavity inside the lamp cap 1, and the light source module 8 includes a light source board 81 mounted inside the housing 11 and a light emitting element 82 disposed on the light source board 81. In some embodiments, the light source board 81 may be an aluminum substrate or a PCB, and is not particularly limited; the light emitting element 82 may be an LED lamp bead, an LED light emitting chip (SMD chip or COB-LED chip), or the like, and is not particularly limited.

Referring to fig. 24 and 26, the socket 2 is provided with a connecting portion 21 protruding from an upper surface of the socket 2, a top of the connecting portion 21 is provided with a mounting opening 211, a side portion is provided with a first notch 212, and an inner portion is provided with a receiving groove 213. The connection portion 21 is disposed at one side edge of the lamp socket 2. Due to the design, the operable space on the lamp holder 2 is enlarged, and a user can conveniently operate a control panel on the lamp holder 2, such as keys, buttons and the like; the gravity center line of the folding table lamp 100 is easier to fall in the area limited by the outer contour of the lamp holder 2, and the stability of the table lamp is improved. In some embodiments, the design position of the connecting portion 21 is not limited to a position on one side of the lamp holder 2, but may also be designed in a position in the middle of the lamp holder 2, and is not particularly limited. The lamp holder 2 comprises an upper shell 25 and a lower shell 26, which can be assembled by a snap fit, or can be combined together by a screw or an adhesive, and the specific combination mode is not limited. A cavity is enclosed between the upper seat shell and the lower seat shell. Combine shown in fig. 25, be provided with automatically controlled subassembly 22 and counterweight 24 in the lamp stand 2, automatically controlled subassembly 22 and counterweight 24 all set up in the cavity of lamp stand 2, automatically controlled subassembly 22 contains the circuit board usually, for example, the PCB board etc., automatically controlled subassembly 22 passes through light source board 81 electric connection in wire and the lamp holder 1, lamp pole 4 is inside to be hollow structure, can wear to establish the wire, be connected with plug 23 on the lamp stand 2, plug 23 and automatically controlled subassembly 22 electric connection, the commercial power can be connected to plug 23, thereby for the desk lamp power supply, do not specifically do not describe repeatedly.

Referring to fig. 25, 26, 30 and 31, the rotary joint 3 is movably disposed on the lamp socket 2 in the vertical direction. Specifically, the rotary joint 3 is slidably fitted in the vertical direction in the receiving groove 213 of the connecting portion 21. In order to prevent the rotary joint 3 from being removed from the receiving groove 213 and the lamp post 4 from being removed from the lamp socket 2, a blocking wall 214 for preventing the rotary joint 3 from being removed is provided at the top of the receiving groove 213. The top of the rotary joint 3 is provided with a connecting port 31, one side part is provided with a second notch 32, and the inside is provided with a rotary cavity 33. The lower end of the lamp pole 4 is pivoted in the rotation chamber 33 by a first pivot 44.

The locking structure 5 includes an engaging portion provided on the socket 2 and an engaging portion provided on the rotary joint 3. Specifically, the engaging portion is a locking hole 55 provided in the connecting portion 21 and penetrating the receiving groove 213, and the engaging engagement portion is a locking piece 54 provided in the rotary joint 3. In some embodiments, the matching structure of the engaging portion and the engaging mating portion is not limited to the latch 54 and the latch hole 55, but may also be a latch or a hook that mutually engages, and is not limited in particular.

The rotary joint 3 has a first position 34 and a second position 35 higher than the first position 34 relative to the lamp holder 2, when the rotary joint 3 moves to the first position 34, a latch 54 on the rotary joint 3 is latched into a latch hole 55 on the lamp holder 2, and the rotary joint 3 is locked at the first position 34 so as to keep the lamp post 4 at the working position (see fig. 25 and 26).

Part of the body of the light pole 4 constitutes an unlocking structure, and the light pole 4 is configured to bear axial force applied thereon by a user, so as to force the latch 54 out of the latch hole 55, and to unlock the revolute joint 3 from the first position 34. When the rotary joint 3 moves to the second position 35, the lamp post 4 is allowed to be switched from the operating position to the storage position (see fig. 30 and 32).

When the rotary joint 3 is locked at the first position 34, the lamp post 4 is movable relative to the lamp holder 2, and the lamp post 4 can still rotate within a certain angle range, so that the position of the lamp holder 1 is convenient to adjust, and the lighting operation is easy. Specifically, as shown in fig. 24, fig. 26, fig. 29, fig. 31 and fig. 33, a limiting wall 215 extending toward the inside of the receiving groove 213 along a horizontal plane is disposed at the first notch 212 of the connecting portion 21, a damping structure 7 is disposed between the lamp post 4 and the rotating joint 3, and configured to provide a friction force between the lamp post 4 and the rotating joint 3, when the lamp post 4 is at any angle position between the working position and the limiting wall 215, a moment generated at the rotating joint 3 by the lamp post 4 and the lamp base 1 together is smaller than or equal to a moment generated at the rotating joint 3 by the damping structure 7, so that the lamp post 4 is maintained at any angle position between the working position standing on the lamp base 2 and the limiting wall 215. In this example, the angle between the limiting wall 215 and the horizontal plane is 30 °, the angle between the light pole 4 and the horizontal plane when the light pole is erected in the working position of the light holder 2 is 90 ° (see fig. 25), and the angle between the light pole 4 and the horizontal plane when the light pole is inclined to the working position of the light holder 2 is at least 30 ° (see fig. 28). In some embodiments, the angle between the limiting wall 215 and the horizontal plane may be specifically set according to the weight distribution of the lamp holder 1, the lamp post 4 and the lamp socket 2, and when the weight of the lamp socket 2 is relatively large, or based on the additional weight 24, the angle between the limiting wall 215 and the horizontal plane may be smaller than 30 °. Of course, the smaller the angle of the lamp rod 4 movable in the working position is, the more easily the gravity center line of the whole desk lamp falls within the area defined by the outer contour of the lamp holder 2, and the lighter the design of the whole desk lamp is.

The damping structure 7 includes a plurality of friction plates 71, a first torsion spring 72, a second pivot 73, a second torsion spring 74, a third pivot 75, and a shifting plate 76, wherein the friction plates 71 and the first torsion spring 72 are jointly disposed on the first pivot 44, the second pivot 73 is disposed on the rotating joint 3 and is located under the first pivot 44, the second torsion spring 74 is disposed on the second pivot 73 and is used for resetting the shifting plate 76, the third pivot 75 is disposed in the receiving groove 213 and is located under the second pivot 73, the shifting plate 76 is rotatably disposed on the third pivot 75, the shifting plate 76 has a first shifting arm and a second shifting arm, when the rotating joint 3 is located at the first position 34, the first shifting arm 761 abuts against the rotating joint 3, the second shifting arm 762 compresses the first torsion spring 72 and the second torsion spring 74 at the same time, and when the rotating joint 3 is located at the second position 35, the second torsion spring 74 drives the shifting plate 76 to reset.

The working principle is realized as follows: in operation, a user applies an external force downward along the axial direction of the lamp post 4 to the lamp post 4, so that the rotary joint 3 moves to the first position 34, meanwhile, the clamping block 54 on the rotary joint 3 is clamped into the clamping hole 55 on the connecting portion 21 of the lamp holder 2, further, the rotary joint 3 is locked at the first position 34 (see fig. 25 and 26), the damping structure 7 is opened to work, the first shifting arm 761 of the shifting piece 76 abuts against the rotary joint 3, and the second shifting arm 762 compresses the first torsion spring 72 and the second torsion spring 74 at the same time, so that the lamp post 4 can be kept at any angle position between the working position of the lamp holder 2 and the limiting wall 215, namely, the rotary angle range of the lamp post 4 is 30 ° to 90 ° (see fig. 28 and 29). When the user wants to store the foldable desk lamp 100 for packing, transportation or carrying, the user can apply an upward external force along the axial direction of the lamp post 4 to force the latch 54 on the rotary joint 3 to be pulled out from the latch hole 55 on the lamp holder 2, so that the rotary joint 3 moves upward to the second position 35 (see fig. 30 and 31), and at the same time the damping structure 7 fails, the user can rotate the lamp post 4 to a storage position (see fig. 32 and 33) lying across the lamp holder 2, wherein the lamp post 4 and the lamp holder 2 form an angle of 0 ° or 180 °.

Bear the axial force that the user applyed on it in order to relieve the holding condition of lamp pole 4 through the partial body of rod of lamp pole 4 to allow lamp pole 4 to switch between operating position and storage position, make things convenient for folding of desk lamp to accomodate and normally throw light on the use, it is more convenient to operate, and lamp pole 4 is when operating position or storage position, the gravity center line of folding desk lamp 100 falls in the region that 2 outline of lamp stand were injectd all the time, the difficult emergence of desk lamp is emptyd the problem, can make the design of desk lamp lighter-weighted more, it is more portable.

The technical scope of the present application is not limited to the contents in the above description, and those skilled in the art can make various changes and modifications to the above embodiments without departing from the technical spirit of the present application, and these changes and modifications should fall within the protective scope of the present application.

Claims (18)

1. The utility model provides a folding desk lamp which characterized in that: the method comprises the following steps:

a lamp cap (1);

a lamp holder (2);

the rotary joint (3) is arranged on the lamp holder (2);

the upper end part of the lamp post (4) is rotationally connected with the lamp holder (1), the lower end part of the lamp post is pivoted with the rotational joint (3), and the lamp post (4) has a working position which is vertical or inclined to the lamp holder (2) and a containing position which is horizontally laid on the lamp holder (2);

a locking structure (5) for holding the light pole (4) in the working or storage position;

an unlocking structure (6) configured to withstand an external force exerted thereon by a user to release the holding state of the light pole (4) and allow the light pole (4) to be switched between the working position and the storage position;

when the lamp post (4) is in the working position or the storage position, the gravity center line of the folding table lamp is located in an area defined by the outer contour of the lamp holder (2).

2. The folding table lamp of claim 1, wherein: the rotary joint (3) is fixedly arranged on the lamp holder (2), the lower end part of the lamp pole (4) is provided with a rotating body (41) pivoted with the rotary joint (3), the locking structure (5) is arranged on the lamp holder (2) in a movable manner, and the locking bolt (51) is arranged on the rotating body (41) and is connected with the locking bolt (51) matched with locking hole (52) and the spring (53) between the locking bolts (51).

3. The folding table lamp of claim 2, wherein: the rotating body (41) is provided with a rotating surface (411) extending along the outer peripheral side of the rotating direction, the bolt (51) is movably arranged on the lamp holder (2) along the vertical direction, and the lock hole (52) is arranged on the rotating surface (411).

4. The folding table lamp of claim 3, wherein: the rotating surface (411) is an arc surface or a cylindrical surface.

5. The folding table lamp of claim 2, wherein: the unlocking structure (6) comprises an unlocking operation piece (61) which is movably arranged on the lamp holder (2) and is in sliding fit with the lock tongue (51).

6. The folding table lamp of claim 5, wherein: the unlocking operation piece (61) is movably arranged on the lamp holder (2) along the horizontal direction.

7. The folding table lamp of claim 5, wherein: the unlocking operation piece (61) is provided with a wedge-shaped part (611) inclined to the horizontal plane, and the lock tongue (51) is provided with a wedge-shaped surface (511) matched with the wedge-shaped part (611).

8. The folding table lamp of claim 1, wherein: the rotary joint (3) is movably arranged on the lamp holder (2) along the up-down direction, the rotary joint (3) is provided with a first position (34) and a second position (35) higher than the first position (34) relative to the lamp holder (2), when the rotary joint (3) moves to the first position (34), the locking structure (5) locks the rotary joint (3) at the first position (34) so as to keep the lamp pole (4) at the working position, and when the rotary joint (3) moves to the second position (35), the lamp pole (4) is allowed to be switched from the working position to the storage position.

9. The folding table lamp of claim 8, wherein: the locking structure (5) comprises a clamping part arranged on the lamp holder (2) and a clamping matching part arranged on the lamp pole (4) or the rotating joint (3).

10. The folding table lamp of claim 9, wherein: one of the clamping part and the clamping matching part is a clamping block (54), and the other of the clamping part and the clamping matching part is a clamping hole (55).

11. The folding table lamp of claim 8, wherein: a portion of the stem of the light pole (4) constitutes the unlocking structure (6), the light pole (4) being configured to withstand an axial force exerted thereon by a user to unlock the revolute joint (3) from the first position (34).

12. The folding table lamp of claim 8, wherein: the rotary joint (3) is a pair of rotary wheels which are pivoted at the two opposite side positions of the lower end part of the lamp pole (4).

13. The folding desk lamp of any one of claims 1 to 11, wherein: the lamp holder is characterized in that a connecting portion (21) protruding out of the upper surface of the lamp holder (2) is arranged on the lamp holder (2), the top of the connecting portion (21) is provided with an installation opening (211), one side portion of the connecting portion is provided with a first notch (212), an accommodating groove (213) is formed in the connecting portion, the rotating joint (3) is accommodated in the accommodating groove (213), the top of the rotating joint (3) is provided with a connecting opening (31), one side portion of the rotating joint is provided with a second notch (32), and a rotating cavity (33) is formed in the rotating cavity (33), the lower end portion of the lamp rod (4) is pivoted in the rotating cavity (33), the working position of the lamp rod (4) forms a 90-degree included angle with the lamp holder (2), the accommodating position of the lamp rod (4) forms a 0-degree or 180-degree included angle with the lamp holder (2), and the lamp rod (4) penetrates through the first notch (212) and the second notch (32).

14. The folding table lamp of claim 13, wherein: the connecting part (21) is arranged at the edge of one side of the lamp holder (2).

15. The folding table lamp of claim 13, wherein: the top of the containing groove (213) is provided with a blocking wall (214) for preventing the rotary joint (3) from being separated.

16. The folding table lamp of claim 13, wherein: a limiting wall (215) extending towards the inside of the accommodating groove (213) along a direction inclined to the horizontal plane is arranged at the first notch (212), and a damping structure (7) is arranged between the lamp post (4) and the rotating joint (3) and configured to provide a friction force between the lamp post (4) and the rotating joint (3) so that the lamp post (4) can be maintained at any angle position between the working position and the limiting wall (215).

17. The folding desk lamp of claim 16, wherein: the included angle between the limiting wall (215) and the horizontal plane is 30 degrees, and the included angle between the lamp pole (4) and the horizontal plane is 90 degrees when the lamp pole is at the working position.

18. The folding table lamp of claim 16, wherein: when the lamp pole (4) is at the working position or the accommodating position, the moment generated by the lamp pole (4) and the lamp holder (1) together at the rotary joint (3) is smaller than or equal to the moment generated by the damping structure (7) at the rotary joint (3).

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