Table lamp convenient to store

Abstract

The table lamp convenient to store comprises a lamp cap, an upper lamp post, a connecting base, a lower lamp post and a base, a rotating mechanism is arranged between the lamp cap and the connecting base to achieve multi-angle adjustment of the lamp cap, the rotating mechanism comprises a rotating block, and a sliding groove where the rotating block slides is formed in the connecting position of the lamp cap and the connecting base. The length of the sliding groove is larger than that of the rotating block, the end, away from the lamp cap, of the connecting base is rotationally connected with the upper lamp post through a first folding mechanism, the upper lamp post is rotationally connected with the lower lamp post through a second folding mechanism, and the lower lamp post is detachably connected with the base through a detachable mechanism. The table lamp has the advantages that the size of the table lamp in the storage and transportation state is reduced, the packaging and transportation cost is reduced, and meanwhile the portability and use flexibility of the table lamp are improved.

Description

Technical Field

[0001] This application relates to the technical field of table lamps, and in particular to a table lamp that is convenient for storage. Background Art

[0002] As a lighting device, table lamps are widely used in study, work and life. However, the traditional design of table lamps usually only focuses on the lighting effect, while ignoring the convenience of storage, resulting in difficulty for users to find a suitable storage space when the table lamp is not needed, bringing inconvenience to the users.

[0003] At present, there are some foldable or adjustable table lamps on the market, but these designs are often complex in structure, inconvenient to operate, and still occupy a large space after being stored, resulting in large space occupation, high cost, and easy damage during storage and transportation. Therefore, there is still room for improvement. Utility Model Content

[0004] In order to reduce the volume of the table lamp in the storage and transportation states, reduce the packaging and transportation costs, and at the same time improve the portability and use flexibility of the table lamp, this application provides a table lamp that is convenient for storage.

[0005] A table lamp that is convenient for storage provided by this application adopts the following technical solutions:

[0006] A table lamp that is convenient for storage includes a lamp head, an upper lamp post, a connecting seat, a lower lamp post and a base. A rotating mechanism is provided between the lamp head and the connecting seat to achieve multi-angle adjustment of the lamp head. The rotating mechanism includes a rotating block, the rotating block is arranged on the connecting seat, a sliding groove for the rotating block to slide is opened at the connection of the lamp head and the connecting seat, the length of the sliding groove is greater than the length of the rotating block, one end of the connecting seat away from the lamp head is rotatably connected to the upper lamp post through a first folding mechanism, the upper lamp post is rotatably connected to the lower lamp post through a second folding mechanism, and the lower lamp post is detachably connected to the base through a detachable mechanism.

[0007] By adopting the above technical solutions, when using the table lamp, the second folding mechanism can unfold the upper lamp post and the lower lamp post, install the lower lamp post on the base through the detachable mechanism, the first folding mechanism unfolds the lamp head and the upper lamp post, and through the rotating mechanism between the lamp head and the connecting seat, the rotating block moves in the sliding groove to adjust the angle of the lamp head. When storing, the first folding mechanism folds and stores the lamp head and the upper lamp post, adjusts the storage angle of the lamp head through the rotating mechanism, folds and stores the lower lamp post and the upper lamp post through the second folding mechanism, and the base can be detached through the detachable mechanism, thereby reducing the volume of the table lamp in the storage and transportation states, reducing the packaging and transportation costs, and at the same time improving the portability and use flexibility of the table lamp.

[0008] Optionally, a steering shaft is provided at the top of the upper lamp post, and the connecting seat is rotatably connected to the steering shaft, and the steering shaft is perpendicular to the height direction of the upper lamp post.

[0009] By adopting the above technical solution, the connecting seat is rotatably connected to the steering shaft, so that the lamp head on the connecting seat can rotate freely in the horizontal direction to adjust its irradiation direction or viewing angle, and it is also convenient for folding and storage.

[0010] Optionally, an installation groove is provided on the base, a fixing post is protrudingly provided in the installation groove of the base, a plugging hole for inserting the fixing post is provided at the bottom of the lower lamp post, and a plurality of limiting protrusions are uniformly arranged around the plugging hole of the lower lamp post. A conduction groove is provided on the inner wall of the installation groove of the base along the axial direction of the installation groove, one end of the conduction groove is bent and extended to form a limiting groove for limiting the limiting protrusion, one end of the limiting groove is communicated with the conduction groove, and when the lower lamp post is installed on the base, the limiting protrusion is located in the limiting groove.

[0011] By adopting the above technical solution, a plugging hole is provided at the bottom of the lower lamp post, and the size and shape of this hole match the fixing post on the base, so that the lower lamp post can be accurately inserted into the installation groove of the base and is initially positioned and supported by the fixing post. When the lower lamp post needs to be installed on the base, first align the plugging hole of the lower lamp post with the fixing post on the base and insert it. As the lower lamp post is inserted, the limiting protrusions around it will move along the conduction groove on the base. When the lower lamp post is rotated and the limiting protrusions move to the position of the limiting groove formed by the bending and extension of the conduction groove, they will be restricted in the limiting groove, realizing the installation and fixation of the base and the lower lamp post.

[0012] Optionally, a touch screen is provided on the base, the touch screen is electrically connected to the lamp head, the touch screen is electrically connected to a table lamp control circuit, the table lamp control circuit includes a voltage conversion module, an LED driving module, a touch control module and a non-isolated buck module, the input end of the voltage conversion module is coupled to the municipal AC power supply, the output end of the voltage conversion module is coupled to the LED driving module to output a DC voltage to the LED driving module, the output end of the LED driving module is respectively electrically connected to the non-isolated buck module and the lamp beads in the lamp head, the touch control module is electrically connected to the touch screen, and the output end of the touch control module is coupled to the LED driving module.

[0013] By adopting the above technical solution, by setting a touch screen, the user can touch the touch screen to control the switch of the table lamp and adjust the light brightness. When the user touches the touch screen briefly, the touch control module outputs a switch signal to the LED driver module according to the touch signal. The LED driver module receives the switch signal and sends it to the lamp beads of the lamp head to realize the function of controlling the switch of the table lamp. When the user touches the touch screen for a long time, the touch control module outputs a brightness adjustment signal to the non-isolated buck module according to the touch signal. The non-isolated buck module adjusts the voltage output to the LED driver control module according to the brightness adjustment signal, so that the voltage output by the LED driver module to the lamp beads in the lamp head increases or decreases, thereby realizing the function of adjusting the light brightness of the table lamp.

[0014] Optionally, the voltage conversion module includes a rectification module. The rectification module includes four pins. The second pin and the fourth pin of the rectification module are AC input terminals. The first pin and the third pin of the rectification module are DC output terminals. The second pin and the fourth pin of the rectification module are coupled to an AC power supply. The first pin and the third pin of the rectification module are coupled to the LED driver module to supply power to the LED driver module.

[0015] By adopting the above technical solution, the rectification module can convert alternating current into direct current to supply power to the LED driver module, realizing the conversion and supply of electric energy.

[0016] Optionally, the LED driver module includes a driver chip U1. The driver chip U1 includes a power input terminal, a control signal input terminal, and a drive output terminal. The power input terminal of the driver chip U1 is coupled to the first pin and the third pin of the rectification module. The control signal input terminal of the driver chip U1 is coupled to the touch control module. The drive output terminal of the driver chip U1 is electrically connected to the lamp beads in the lamp head.

[0017] By adopting the above technical solution, through the power input terminal of the driver chip U1, the DC voltage output by the rectification module is received to provide a working voltage for the driver chip U1. The control signal input terminal of the driver chip U1 receives the switch signal output by the touch control module to realize the function of touch-controling the switch of the table lamp. The drive output terminal of the driver chip U1 outputs a voltage to the table lamp to supply power for the table lamp to be turned on and lit.

[0018] Optionally, the touch control module includes a touch chip U3. The touch chip U3 includes a touch signal input terminal and a signal output terminal. The touch signal input terminal of the touch chip U3 is electrically connected to the touch screen to receive a touch signal. The signal output terminal of the touch chip U3 is coupled to the control signal input terminal of the driver chip U1.

[0019] By adopting the above technical solution, when the user briefly touches the touch screen, the touch chip U3 receives the touch signal through the touch signal input terminal, and outputs a switch signal to the driving chip U1 through the signal output terminal according to the touch signal, realizing the function of touching to control the on / off of the table lamp. When the user long-touches the touch screen, the touch chip U3 receives the touch signal through the touch signal input terminal, and outputs a switch signal to the driving chip U1 through the signal output terminal according to the touch signal. The driving chip U1 uses the non-isolated buck module to adjust the voltage output by the driving chip U1 according to the brightness adjustment signal, realizing the function of adjusting the brightness of the table lamp.

[0020] Optionally, the non-isolated buck module includes a voltage regulating chip U2. The voltage regulating chip U2 includes five pins. The fifth pin of the voltage regulating chip U2 is the voltage adjustment output terminal, and the fifth pin of the voltage regulating chip U2 is coupled to the driving chip U1.

[0021] By adopting the above technical solution, when the user long-touches the touch screen, the driving chip U1 uses the voltage regulating chip U2 of the non-isolated buck module to adjust the output voltage of the driving chip U1, realizing the function of adjusting the brightness of the table lamp.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. When using the table lamp, the second folding mechanism can unfold the upper lamp post and the lower lamp post. The lower lamp post is installed on the base through the detachable mechanism. The first folding mechanism unfolds the lamp head and the upper lamp post. Through the rotation mechanism between the lamp head and the connecting seat, the rotating block moves in the sliding groove, and the angle of the lamp head can be adjusted. When storing, the first folding mechanism folds and stores the lamp head and the upper lamp post. The storage angle of the lamp head is adjusted through the rotation mechanism. The second folding mechanism folds and stores the lower lamp post and the upper lamp post. The base can be detached through the detachable mechanism, thereby reducing the volume of the table lamp in the storage and transportation states, reducing the packaging and transportation costs, and at the same time improving the portability and use flexibility of the table lamp;

[0024] 2. The connecting seat is rotatably connected to the steering shaft, so that the lamp head on the connecting seat can freely rotate in the horizontal direction to adjust its irradiation direction or viewing angle, and it is also convenient for folding and storing;

[0025] 3. A socket hole is opened at the bottom of the lower lamp post. The size and shape of this hole match the fixing post on the base, enabling the lower lamp post to be accurately inserted into the installation groove of the base and preliminarily positioned and supported by the fixing post. When the lower lamp post needs to be installed on the base, first align the socket hole of the lower lamp post with the fixing post of the base and insert it. As the lower lamp post is inserted, the limiting bumps around it will move along the conduction groove on the base. Rotate the lower lamp post. When the limiting bumps move to the position of the limiting groove formed by the bending and extension of the conduction groove, they will be restricted within the limiting groove, achieving the installation and fixation of the base and the lower lamp post. Description of the Drawings

[0026] Figure 1 is a schematic structural diagram of a table lamp that is convenient for storage according to an embodiment of the present application.

[0027] Figure 2 is an exploded view of the structure of a table lamp that is convenient for storage according to an embodiment of the present application.

[0028] Figure 3 is a table lamp that is convenient for storage according to an embodiment of the present application Figure 2 partial enlarged view of part A in.

[0029] Figure 4 is a module diagram of the table lamp control circuit of a table lamp that is convenient for storage according to an embodiment of the present application.

[0030] Figure 5 is a circuit diagram of the voltage conversion module of the table lamp control circuit of a table lamp that is convenient for storage according to an embodiment of the present application.

[0031] Figure 6 is a circuit diagram of the LED driving module of the table lamp control circuit of a table lamp that is convenient for storage according to an embodiment of the present application.

[0032] Figure 7 is a circuit diagram of the touch control module of the table lamp control circuit of a table lamp that is convenient for storage according to an embodiment of the present application.

[0033] Figure 8 is a circuit diagram of the non-isolated buck module of the table lamp control circuit of a table lamp that is convenient for storage according to an embodiment of the present application.

[0034] Description of the reference numerals: 1, lamp head; 2, upper lamp post; 3, lower lamp post; 4, base; 5, connecting seat; 6, rotating block; 7, limiting bump; 8, limiting groove; 9, fixing post; 10, voltage conversion module; 11, LED driving module; 12, touch control module; 13, non-isolated buck module; 14, steering shaft. Detailed Description of the Embodiment

[0035] The following is a further detailed description of the present application in conjunction with the attached Figures 1-8 drawings.

[0036] This embodiment of the present application discloses a table lamp that is convenient for storage. Refer to Figures 1-3 , a table lamp that is convenient for storage includes a lamp head 1, an upper lamp post 2, a connection seat 5, a lower lamp post 3, and a base 4. A rotation mechanism is provided between the lamp head 1 and the connection seat 5. Specifically, a rotation block 6 is provided on the connection seat 5, and a sliding groove for the rotation block 6 to slide is opened at the connection between the lamp head 1 and the connection seat 5. The length of the sliding groove is greater than the length of the rotation block 6. When the lamp head 1 is rotated, the rotation block 6 can move in the sliding groove, thereby realizing the function of rotating the lamp head 1.

[0037] One end of the connection seat 5 away from the lamp head 1 is rotatably connected to the upper lamp post 2 through a first folding mechanism. Specifically, a steering shaft is provided at the top of the upper lamp post 2, and the connection seat 5 is rotatably connected to the steering shaft, and the steering shaft is perpendicular to the height direction of the upper lamp post 2. The upper lamp post 2 is rotatably connected to the lower lamp post 3 through a second folding mechanism, and the lower lamp post 3 is detachably connected to the base 4 through a detachable mechanism. Specifically, an installation groove is opened on the base 4, a fixing column 9 is protrudingly provided in the installation groove of the base 4, a plugging hole for the fixing column 9 to be inserted is opened at the bottom of the lower lamp post 3, and a plurality of limiting convex blocks 7 are uniformly arranged around the plugging hole of the lower lamp post 3. A conduction groove is opened on the inner wall of the installation groove of the base 4 along the axial direction of the installation groove, one end of the conduction groove is bent and extended to form a limiting groove 8 for limiting the limiting convex block 7, and one end of the limiting groove 8 is communicated with the conduction groove. When the lower lamp post 3 is installed on the base 4, the limiting convex block 7 is located in the limiting groove 8.

[0038] Refer to Figures 4-8 , a touch screen is provided on the base 4, the touch screen is electrically connected to the lamp head 1, and the touch screen is electrically connected to a table lamp control circuit. The table lamp control circuit includes a voltage conversion module 10, an LED driving module 11, a touch control module 12, and a non-isolated step-down module 13.

[0039] The voltage conversion module 10 includes a rectification module. The rectification module includes four pins. The second pin and the fourth pin of the rectification module are AC input terminals, and the first pin and the third pin of the rectification module are DC output terminals. The second pin and the fourth pin of the rectification module are coupled to an AC power supply, and the first pin and the third pin of the rectification module are coupled to the LED driving module 11 to supply power to the LED driving module 11.

[0040] The LED driving module 11 includes a driving chip U1 with a model of IC4X2. The driving chip U1 includes 8 pins. The seventh pin of the driving chip U1 is a control signal input terminal, the seventh pin of the driving chip U1 is coupled to the touch control module 12, the fourth pin of the driving chip U1 is a driving output terminal, and the fourth pin of the driving chip U1 is used to output a DC voltage for the table lamp to work.

[0041] The touch control module 12 includes a touch chip U3 of model HC8T0306. The touch chip U3 has 8 pins. The fifth pin of the touch chip U3 is the touch signal input terminal, which is electrically connected to the touch screen. The seventh pin of the touch chip U3 is the signal output terminal, which is coupled to the seventh pin of the drive chip U1.

[0042] The non-isolated buck module 13 includes a voltage regulating chip U2 of model BP252D. The voltage regulating chip U2 has five pins. The fifth pin of the voltage regulating chip U2 is the voltage adjustment output terminal, which is coupled to the fourth pin of the drive chip U1.

[0043] The implementation principle of a table lamp that is convenient for storage in the embodiments of the present application is as follows:

[0044] When using the table lamp, the second folding mechanism can unfold the upper lamp post 2 and the lower lamp post 3. The lower lamp post 3 is installed on the base 4 through the detachable mechanism. The first folding mechanism unfolds the lamp head 1 and the upper lamp post 2. Through the rotation mechanism between the lamp head 1 and the connecting seat 5, the rotating block 6 moves in the sliding groove, and the angle of the lamp head 1 can be adjusted. When storing, the first folding mechanism folds and stores the lamp head 1 and the upper lamp post 2. The storage angle of the lamp head 1 is adjusted through the rotation mechanism. The lower lamp post 3 and the upper lamp post 2 are folded and stored through the second folding mechanism. A plug hole is opened at the bottom of the lower lamp post 3. The size and shape of this hole match the fixing post 9 on the base 4, so that the lower lamp post 3 can be accurately inserted into the installation groove of the base 4 and is initially positioned and supported by the fixing post 9. When the lower lamp post 3 needs to be installed on the base 4, first align the plug hole of the lower lamp post 3 with the fixing post 9 of the base 4 and insert it. As the lower lamp post 3 is inserted, the surrounding limit bumps 7 will move along the conduction groove on the base 4. When the lower lamp post 3 is rotated and the limit bumps 7 move to the position of the limit groove 8 formed by the bending and extension of the conduction groove, they will be restricted within the limit groove 8, realizing the installation and fixation of the base 4 and the lower lamp post 3. Thereby, the volume of the table lamp in the storage and transportation states is reduced, the packaging and transportation costs are lowered, and at the same time, the portability and use flexibility of the table lamp are improved.

[0045] The user can touch the touch screen to control the switch of the table lamp and the adjustment of the light brightness. When the user briefly touches the touch screen, the touch control module 12 outputs a switch signal to the LED drive module 11 according to the touch signal. The LED drive module 11 receives the switch signal and supplies power to the lamp beads of the lamp head 1, realizing the function of controlling the switch of the table lamp. When the user long touches the touch screen, the touch control module 12 outputs a brightness adjustment signal to the non-isolated buck module 13 according to the touch signal. The non-isolated buck module 13 adjusts the output voltage to the LED drive control module according to the brightness adjustment signal, so that the voltage output by the LED drive module 11 to the lamp beads in the lamp head 1 increases or decreases, thereby realizing the function of adjusting the light brightness of the table lamp.

[0046] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A table lamp that is convenient for storage, characterized in that: It includes a lamp cap (1), an upper lamp post (2), a connecting seat (5), a lower lamp post (3) and a base (4). A rotating mechanism is provided between the lamp cap (1) and the connecting seat (5) to achieve multi-angle adjustment of the lamp cap (1). The rotating mechanism includes a rotating block (6). A sliding groove for the rotating block (6) to slide is provided at the connection between the lamp cap (1) and the connecting seat (5). The length of the sliding groove is greater than the length of the rotating block (6). One end of the connecting seat (5) away from the lamp cap (1) is rotatably connected to the upper lamp post (2) through a first folding mechanism. The upper lamp post (2) is rotatably connected to the lower lamp post (3) through a second folding mechanism. The lower lamp post (3) is detachably connected to the base (4) through a detachable mechanism.

2. The table lamp convenient for storage according to claim 1 is characterized in that: A steering shaft is provided at the top of the upper lamp post (2). The connecting seat (5) is rotatably connected to the steering shaft. The steering shaft is perpendicular to the height direction of the upper lamp post (2).

3. The table lamp convenient for storage according to claim 1 is characterized in that: An installation groove is provided on the base (4). A fixing post (9) is protrudingly provided in the installation groove of the base (4). A plugging hole for the fixing post (9) to be plugged into is provided at the bottom of the lower lamp post (3). A number of limiting convex blocks (7) are evenly arranged around the plugging hole of the lower lamp post (3). A conduction groove is provided on the inner wall of the installation groove of the base (4) along the axial direction of the installation groove. One end of the conduction groove is bent and extended to form a limiting groove (8) for limiting the limiting convex blocks (7). One end of the limiting groove (8) is communicated with the conduction groove. When the lower lamp post (3) is installed on the base (4), the limiting convex blocks (7) are located in the limiting groove (8).

4. The portable desk lamp according to claim 1, wherein: A touch screen is provided on the base (4). The touch screen is electrically connected to the lamp cap (1). The touch screen is electrically connected to a table lamp control circuit. The table lamp control circuit includes a voltage conversion module (10), an LED driving module (11), a touch control module (12) and a non-isolated step-down module (13). The input end of the voltage conversion module (10) is coupled to the municipal AC power supply. The output end of the voltage conversion module (10) is coupled to the LED driving module (11) to output a DC voltage to the LED driving module (11). The output end of the LED driving module (11) is respectively electrically connected to the non-isolated step-down module (13) and the lamp beads in the lamp cap (1). The touch control module (12) is electrically connected to the touch screen. The output end of the touch control module (12) is coupled to the LED driving module (11).

5. The table lamp convenient for storage according to claim 4, characterized in that: The voltage conversion module (10) includes a rectification module. The rectification module includes four pins. The second pin and the fourth pin of the rectification module are AC input ends. The first pin and the third pin of the rectification module are DC output ends. The second pin and the fourth pin of the rectification module are coupled to the AC power supply. The first pin and the third pin of the rectification module are coupled to the LED driving module (11) to supply power to the LED driving module (11).

6. The table lamp convenient for storage according to claim 4, characterized in that: The LED driving module (11) includes a driving chip U1. The driving chip U1 includes a power input terminal, a control signal input terminal, and a driving output terminal. The power input terminal of the driving chip U1 is coupled to the first pin and the third pin of the rectification module. The control signal input terminal of the driving chip U1 is coupled to the touch control module (12). The driving output terminal of the driving chip U1 is electrically connected to the lamp beads in the lamp head (1).

7. The table lamp convenient for storage according to claim 4, wherein: The touch control module (12) includes a touch chip U3. The touch chip U3 includes a touch control signal input terminal and a signal output terminal. The touch control signal input terminal of the touch chip U3 is electrically connected to the touch screen to receive touch signals. The signal output terminal of the touch chip U3 is coupled to the control signal input terminal of the driving chip U1.

8. A lamp convenient for storage according to claim 4, characterized in that: The non-isolated buck module (13) includes a voltage regulating chip U2. The voltage regulating chip U2 includes five pins. The fifth pin of the voltage regulating chip U2 is a voltage regulation output terminal. The fifth pin of the voltage regulating chip U2 is coupled to the driving chip U1.

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