Synchronous rotation type projection lamp for children

Abstract

The utility model belongs to the technical field of living goods for children, and particularly discloses a synchronous rotation type projection lamp for children, which comprises a shell, fan blades, a projection lamp and a fan transmission rod, an installation disc and a driving motor are installed in the shell, and the shell is rotatably connected with a transmission gear, a fan transmission gear, a projection gear and a fan rotation gear. The output end of the driving motor is fixedly connected with a motor gear, the motor gear is in meshing transmission connection with the projection gear, the projection gear is rotationally connected to the projection lamp on the other side of the mounting disc, the transmission gear is in meshing connection with the outer side of the projection gear, and the fan transmission gear is coaxially and fixedly connected to the transmission gear. The fan transmission gear is in meshed transmission connection with the fan rotating gear; the fan rotating gear is fixedly connected with the fan transmission rod; and the transmission element is built-in and is stable and durable. The projection lamp and the fan blades are simultaneously driven to rotate through one driving motor, so that the functionality is increased, and the interestingness is increased; and meanwhile, the cost is relatively saved, a certain heat dissipation effect can be achieved, and energy conservation and environmental protection are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of children's daily necessities, and in particular relates to a synchronously rotating children's projection lamp. Background Art

[0002] The existing projection lamps on the market are basically a motor that only realizes the projection rotation function. The existing Chinese utility model patent with announcement number CN208546907U provides a projection lamp, which includes a base assembly, on which a light source, a light shield and a control device that can control the opening and closing of the light source are arranged. The light shield is located above the light source and can block the light emitted by the light source. The light shield has a plurality of light-transmitting parts. The light emitted by the light source passes through the light-transmitting parts and is then projected onto the ceiling or the wall. Its function is relatively simple, and the motor only realizes the projection rotation function, and its utilization rate needs to be improved. Utility Model Content

[0003] In view of the problem that the function of the projection lamp in the prior art is relatively simple, the motor only realizes the projection rotation function, and the motor utilization rate needs to be improved, a synchronous rotating children's projection lamp is proposed. The utility model provides the following technical solutions:

[0004] A synchronously rotating children's projection lamp comprises a shell, fan blades, a projection lamp, and a fan transmission rod for driving the fan blades to rotate. The fan blades and the projection lamp are respectively arranged at two ends of the shell. A mounting plate and a driving motor are installed in the shell. A transmission gear, a fan transmission gear, a projection gear for driving the projection to rotate, and a fan rotating gear for driving the fan to rotate are rotatably connected. The output end of the driving motor is fixedly connected with a motor gear, which is meshingly connected to the projection gear. The projection gear is rotatably connected to the projection lamp on the other side of the mounting plate. The transmission gear is meshingly connected to the outer side of the projection gear. The fan transmission gear is coaxially fixedly connected to the transmission gear. The fan transmission gear is meshingly connected to the fan rotating gear. The fan rotating gear is fixedly connected to the fan transmission rod.

[0005] Preferably, the motor gear, projection gear and transmission gear are rotatably connected to the mounting plate.

[0006] Preferably, the projection gear is rotatably connected to the middle of the mounting plate, and the fan rotating gear is coaxially rotatably connected to the mounting plate.

[0007] Preferably, an intermediate transmission gear is meshed between the fan transmission gear and the fan rotation gear.

[0008] Preferably, the rear portion of the shell is detachably connected to a rear cover, the middle portion of the rear cover is fixedly connected to a rotating seat, the rotating seat is rotatably connected to a sleeve, and the outer end of the sleeve is fixedly connected to the fan blade.

[0009] Preferably, the end of the fan drive rod is a polygonal column, the fan drive rod is inserted into one end of the sleeve, and an installation gap is left between the fan drive rod and the sleeve for rotating the sleeve relative to the fan drive rod after twisting it in the opposite direction to prevent the motor from reversing. The other end of the sleeve is fixedly connected to the fan blade.

[0010] Preferably, a fan cover is provided between the fan blades and the rear cover, and a fixing bolt is provided on the outside of the fan, and the fixing bolt passes through the fan cover and is inserted into the sleeve.

[0011] Preferably, a fixing pad for reducing friction is inserted into the inner side of the fan, and the fixing bolt passes through the fan blades, the fixing pad and the fan cover and is then inserted into the sleeve.

[0012] Preferably, a rotating ball groove is provided on the shell, a base is provided under the shell, a connecting rod is rotatably connected to the base, a connecting ball is fixedly connected to the upper end of the connecting rod, and the connecting ball is inserted into the rotating ball groove.

[0013] Preferably, a cabin-shaped convexity and a wing-shaped convexity are provided on the shell, and a lampshade is provided on the front side of the projection lamp.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The projection lamp and the fan blades are driven to rotate by a driving motor at the same time, which not only increases the functionality (i.e. the fan blades rotate), but also increases the fun, and at the same time is relatively cost-saving, can achieve a certain heat dissipation effect, and is energy-saving and environmentally friendly;

[0016] 2. The transmission gear, fan transmission gear, projection gear, fan rotation gear, motor gear and other parts are built into the housing, which can be protected and the durability is enhanced;

[0017] 3. The motor gear, projection gear and transmission gear are rotatably connected to the mounting plate. The projection gear is rotatably connected to the middle of the mounting plate. The fan rotating gear is coaxially rotatably connected to the mounting plate. The front side of the mounting plate is rotatably connected to the projection base. The projection base is coaxially connected to the projection gear. The projection lamp is installed on the projection base. The structure is compact and the internal space occupancy is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0020] In the accompanying drawings, 1 is a shell; 2 is a base; 3 is a lampshade; 4 is a fan blade; 5 is a wing-shaped convex; 6 is a cabin-shaped convex; 7 is a fan cover; 8 is a mounting plate; 9 is a driving motor; 10 is a motor gear; 11 is a projection gear; 12 is a transmission gear; 13 is a fan transmission gear; 14 is an intermediate transmission gear; 15 is a fan rotating gear; 16 is a fan transmission rod; 17 is a guide seat; 18 is a rear cover; 19 is a rotating seat; 20 is a sleeve; 21 is a fixing pad; 22 is a fixing bolt. DETAILED DESCRIPTION

[0021] The directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention of the utility model.

[0022] like Figure 1 and Figure 2 As shown, a synchronous rotating children's projection lamp comprises a shell 1, fan blades 4, a projection lamp, and a fan transmission rod 16 for driving the fan blades 4 to rotate. The fan blades 4 and the projection lamp are respectively arranged at two ends of the shell 1. A mounting plate 8 is clamped in the shell 1, and a driving motor 9 is fixedly installed with bolts. A transmission gear 12, a fan transmission gear 13, a projection gear 11 for driving the projection to rotate, and a fan rotating gear 15 for driving the fan to rotate are rotatably connected. A motor gear 10 is fixedly connected to the output end of the driving motor 9. The motor gear 10 is meshingly connected to the projection gear 11. The projection gear 11 is rotatably connected to the projection lamp on the other side of the mounting plate 8. The transmission gear 12 is meshingly connected to the outer side of the projection gear 11. The fan transmission gear 13 is coaxially fixedly connected to the transmission gear 12. The fan transmission gear 13 is meshingly connected to the fan rotating gear 15. The fan rotating gear 15 is fixedly connected to the fan transmission rod 16. The transmission element is built-in, the structure is compact, and it is stable and durable. The projection lamp and the fan blades 4 can be driven to rotate simultaneously by a driving motor 9, which not only increases functionality (i.e., the fan blades 4 rotate), but also increases interest, while also being relatively cost-effective, having a certain heat dissipation effect, and being energy-saving and environmentally friendly.

[0023] Specifically, the motor gear 10, the projection gear 11, and the transmission gear 12 are rotatably connected to the mounting disk 8; the mounting disk 8 is circular, the projection gear 11 is rotatably connected to the middle of the mounting disk 8, the fan rotating gear 15 is coaxially rotatably connected to the mounting disk 8, the front side of the mounting disk 8 is rotatably connected to the projection base, the projection base is coaxially connected to the projection gear 11, the projection lamp is installed on the projection base, and a plurality of projection lamps are dispersedly arranged, the structure is compact, and the internal space occupancy is reduced.

[0024] Specifically, an intermediate transmission gear 14 is meshed between the fan transmission gear 13 and the fan rotation gear 15 to facilitate power transmission; the diameter of the motor gear 10 is smaller than the diameter of the projection gear 11, which can increase the rotation speed of the fan blade 4.

[0025] Specifically, the rear portion of the housing 1 is detachably connected to a rear cover 18, a guide seat 17 is provided on the front side of the rear cover 18, a rotating seat 19 is fixedly connected to the middle portion of the rear cover 18, a sleeve 20 is rotatably connected to the rotating seat 19, an annular convexity is provided in the middle portion of the sleeve 20, the annular convexity can be slidably connected to the side wall of the rotating seat 19 to realize rotation, and the outer end of the sleeve 20 is fixedly connected to the fan blade 4; the end of the fan drive rod 16 is a hexagonal column, which is convenient for driving the rotation; the fan drive rod 16 passes through the guide seat 17 and is plugged into one end of the sleeve 20, and an installation gap is left between the fan drive rod and the sleeve. Specifically, a hexagonal slot is provided at this end of the sleeve 20, and the hexagonal slot of the sleeve 20 is The cross section of the ring is 0.15mm wider than the cross section of the transmission rod. When the user manually turns the fan, there is a 0.04mm variable space between the transmission rod and the sleeve. When the user manually rotates the fan with force, the fan will make a clicking sound, and there will be no projection stagnation or gear reverse rotation to damage the projection host; a fan cover 7 is provided between the fan blades 4 and the back cover 18, a fixing bolt 22 is provided on the outside of the fan, and a fixing pad 21 is inserted on the inside of the fan. The fixing pad 21 is polished and can be used to reduce friction and ensure the coaxiality of the fan blades 4; the fixing bolt 22 passes through the fan blades 4, the fixing pad 21, and the fan cover 7 and is inserted into the sleeve 20, which is convenient for maintenance and replacement of parts.

[0026] Specifically, a rotating ball groove is provided on the shell 1, and a base 2 is provided under the shell 1. A connecting rod is rotatably connected to the base 2, and a connecting ball is fixedly connected to the upper end of the connecting rod. The connecting ball is inserted into the rotating ball groove to facilitate adjustment of the direction of the projection lamp.

[0027] Specifically, the shell 1 is provided with a cabin-shaped convexity 6 and a wing-shaped convexity 5, imitating the shape of a rocket plane, and the shell 1 is round and not uncomfortable to the hand; a lampshade 3 is provided on the front side of the projection lamp, and the lampshade 3 is fixed relative to the shell 1. A shaped hole is provided on the lampshade 3, and the projection lamp can generate a changing projection effect when it is rotated.

Claims

1. A synchronous rotating children's projection lamp, characterized in that: The invention comprises a housing (1), a fan blade (4), a projection lamp, and a fan transmission rod (16) for driving the fan blade (4) to rotate. The fan blade (4) and the projection lamp are respectively arranged at two ends of the housing (1). A mounting plate (8) and a driving motor (9) are mounted in the housing (1). A transmission gear (12), a fan transmission gear (13), a projection gear (11) for driving the projection to rotate, and a fan rotating gear (15) for driving the fan to rotate are rotatably connected. The output end of the driving motor (9) is fixedly connected with a motor gear (10). The motor gear (10) is meshingly connected to the projection gear (11). The projection gear (11) is rotatably connected to the projection lamp at the other side of the mounting plate (8). The transmission gear (12) is meshingly connected to the outer side of the projection gear (11). The fan transmission gear (13) is coaxially fixedly connected to the transmission gear (12). The fan transmission gear (13) is meshingly connected to the fan rotating gear (15). The fan rotating gear (15) is fixedly connected to the fan transmission rod (16).

2. The synchronously rotating children's projection lamp according to claim 1, characterized in that: The motor gear (10), the projection gear (11) and the transmission gear (12) are rotatably connected to the mounting plate (8).

3. The synchronously rotating children's projection lamp according to claim 2, characterized in that: The projection gear (11) is rotatably connected to the middle of the mounting plate (8), and the fan rotating gear (15) is coaxially rotatably connected to the mounting plate (8).

4. The synchronously rotating children's projection lamp according to claim 1, characterized in that: An intermediate transmission gear (14) is meshed between the fan transmission gear (13) and the fan rotation gear (15).

5. The synchronously rotating children's projection lamp according to claim 1, characterized in that: The rear portion of the housing (1) is detachably connected to a rear cover (18), the middle portion of the rear cover (18) is fixedly connected to a rotating seat (19), the rotating seat (19) is rotatably connected to a sleeve (20), and the outer end of the sleeve (20) is fixedly connected to the fan blade (4).

6. The synchronously rotating children's projection lamp according to claim 5, characterized in that: The end of the fan driving rod (16) is a polygonal column. The fan driving rod (16) is inserted into one end of the sleeve (20). An installation gap is left between the fan driving rod (16) and the sleeve (20) for rotating the sleeve (20) relative to the fan driving rod (16) after the sleeve (20) is twisted in the opposite direction to prevent the motor from reversing. The other end of the sleeve (20) is fixedly connected to the fan blade (4).

7. The synchronously rotating children's projection lamp according to claim 5, characterized in that: A fan cover (7) is arranged between the fan blades (4) and the rear cover (18), and a fixing bolt (22) is arranged on the outside of the fan. The fixing bolt (22) passes through the fan cover (7) and is inserted into the sleeve (20).

8. The synchronously rotating children's projection lamp according to claim 7, characterized in that: A fixing pad (21) for reducing friction is inserted into the inner side of the fan, and a fixing bolt (22) passes through the fan blade (4), the fixing pad (21), and the fan cover (7) and is then inserted into the sleeve (20).

9. The synchronously rotating children's projection lamp according to claim 1, characterized in that: The housing (1) is provided with a rotating ball groove, a base (2) is provided under the housing (1), a connecting rod is rotatably connected to the base (2), a connecting ball is fixedly connected to the upper end of the connecting rod, and the connecting ball is inserted into the rotating ball groove.

10. The synchronously rotating children's projection lamp according to claim 1, characterized in that: The housing (1) is provided with a cabin-shaped protrusion (6) and a wing-shaped protrusion (5), and a lampshade (3) is provided on the front side of the projection lamp.

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