Projection lamp capable of conveniently adjusting light projection angle

Abstract

The projection lamp comprises an installation base, a shell, a hanging bracket and a projection lamp body, the installation base is used for being fixedly installed on a ceiling, the shell is fixedly connected with the installation base, the hanging bracket comprises a rotating shaft and a U-shaped support connected with the rotating shaft, the rotating shaft is used for being rotationally connected with the shell, and the U-shaped support is fixedly connected with the U-shaped support. The projection lamp body is rotationally mounted on the U-shaped bracket through a first rotating shaft; a first driving unit is arranged in the shell, the first driving unit is connected with the rotating shaft and used for driving the rotating shaft to rotate, a second driving unit is arranged on the hanging bracket, and the second driving unit is connected with the projection lamp body and used for driving the projection lamp body to rotate; and the projection lamp body, the first driving unit and the second driving unit are connected with a controller. The projection lamp can solve the technical problems that in the prior art, the angle of a projection lamp can only be adjusted in the same direction, and the angle adjusting range is small.

Description

Technical Field

[0001] The utility model relates to a projection lamp, in particular to a projection lamp which is convenient for adjusting the light projection angle. Background Art

[0002] The light projection light box is a common light box in life. There are many styles on the market. It displays the pattern on the projection board on the light-transmitting cloth through the illumination of the light inside the light box. The light projection light box is widely used in shopping malls, stations, streets, airports and other places. Since the installation position of the projection lamp is generally fixed, the projection lamp in the prior art will adjust the angle after installation, and then fix the projection lamp; this makes it very inconvenient to adjust it later.

[0003] The utility model with application number CN202321959904.8 discloses a light and shadow projection lamp box, including a base plate, a fixing frame is fixedly connected to the top of the base plate, a mounting seat is fixedly connected to the top of the fixing frame, a mounting frame is fixedly connected to the top of the mounting seat, a projection light box body is rotatably connected inside the mounting frame, a movable rod is hingedly connected to one side of the bottom of the projection light box body, a mounting plate is hingedly connected to the bottom of the movable rod, a fixing rod is fixedly connected to the bottom of the mounting plate, a ball is fixedly connected to the bottom of the fixing rod, a swivel seat is symmetrically fixedly connected inside the fixing frame, a rotating shaft is rotatably connected inside the swivel seat, a second bevel gear is fixedly connected outside the rotating shaft, a first bevel gear is meshed below the second bevel gear, a control motor is fixedly connected below the first bevel gear, a motor frame fixedly connected to the base plate is installed on one side of the control motor, one end of the rotating shaft passes through the fixing frame and is fixedly connected to a cam.

[0004] Although the utility model can realize angle adjustment in actual use, the angle adjustment can only be performed in the same direction, and the angle adjustment range is relatively small. Utility Model Content

[0005] The utility model aims to provide a projection lamp which is convenient for adjusting the light projection angle, and can solve the technical problem that the projection lamps in the prior art can only be adjusted in the same direction and have a relatively small angle adjustment range.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A projection lamp that facilitates adjustment of light projection angle, comprising:

[0008] A mounting base, the mounting base is used to be fixedly mounted on the ceiling;

[0009] A housing, wherein the housing is fixedly connected to the mounting seat;

[0010] A hanger, the hanger comprising a rotating shaft and a U-shaped bracket connected to the rotating shaft, the rotating shaft being used for rotational connection with the housing;

[0011] A projection lamp body, wherein the projection lamp body is rotatably mounted on the U-shaped bracket via a first rotating shaft;

[0012] Among them, a first driving unit is arranged in the shell, the first driving unit is connected to the rotating shaft and is used to drive the rotating shaft to rotate, and a second driving unit is arranged on the hanger, the second driving unit is connected to the projection lamp body and is used to drive the projection lamp body to rotate; the projection lamp body, the first driving unit and the second driving unit are connected to a controller, and the controller is connected to a remote control through a wireless signal, and the remote control is located in the shell.

[0013] The rotating shaft and the shell are rotatably connected via a bearing, and an anti-drop cover is provided on one end of the rotating shaft located inside the shell.

[0014] Furthermore, a threaded hole is provided on the rotating shaft, the anti-detachment cover is in a T-shaped structure as a whole, and the anti-detachment cover is threadably matched with the threaded hole.

[0015] The first driving unit includes a motor and a driving gear, a rotating shaft is provided with meshing teeth, the motor is fixedly installed in the housing, the output end of the motor extends out of the housing and meshes with the meshing teeth, and the motor is connected to the controller.

[0016] Furthermore, heat dissipation holes are arranged on the shell.

[0017] Among them, the second driving unit includes a telescopic rod, a first bracket and a second bracket, the first bracket is connected to the rotating shaft, the second bracket is connected to the projection lamp body, the two ends of the telescopic rod are respectively hinged to the first bracket and the second bracket, and the telescopic rod is connected to the controller.

[0018] Furthermore, both ends of the telescopic rod are respectively hinged to the first bracket and the second bracket through pins.

[0019] Preferably, the telescopic rod is an electric telescopic rod.

[0020] A conductive slip ring is installed on the rotating shaft, a wire groove is provided on the rotating shaft, and the second driving unit and the cable for driving the projection lamp body are located in the wire groove and connected to the controller through the conductive slip ring.

[0021] Furthermore, the outer shell of the projection lamp body is provided with a heat conducting sheet, the projection lamp body is provided with a mounting plate, and the mounting plate is provided with a heat dissipation fan.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] The utility model is mainly used for installation on the ceiling, and the use of a hanging installation method can reduce the floor space occupied when it is used. At the same time, a first driving unit is provided to drive the rotation of the rotating shaft, so that the projection lamp body installed on the U-shaped bracket can be rotated to achieve adjustment in multiple directions. At the same time, the second driving unit is used to drive the projection lamp body to rotate on the U-shaped bracket, so that the purpose of multi-angle adjustment of the projection lamp body can be achieved. The utility model can solve the technical problem that the projection lamp in the prior art can only be adjusted in the same direction and its angle adjustment range is relatively small. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2 For this utility model Figure 1 main view.

[0027] Figure 3 It is a schematic diagram of the installation relationship between the rotating shaft and the housing of the utility model.

[0028] Reference numerals:

[0029] 101-mounting base, 102-housing, 103-hanging bracket, 104-projection lamp body, 105-rotating shaft, 106-U-shaped bracket, 107-first rotating shaft, 108-first driving unit, 109-second driving unit, 110-expansion bolt, 111-threaded hole, 112-anti-drop cover, 113-motor, 114-driving gear, 115-meshing teeth, 116-telescopic rod, 117-first bracket, 118-second bracket, 119-pin, 120-conductive slip ring, 121-heat conductive sheet, 122-mounting plate, 123-cooling fan. DETAILED DESCRIPTION

[0030] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0031] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0033] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0034] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0036] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1-Figure 3 The present embodiment discloses a projection lamp, specifically a projection lamp for conveniently adjusting the light projection angle, comprising a mounting seat 101, a housing 102, a hanger 103 and a projection lamp body 104, wherein the mounting seat 101 is used for fixed installation on the ceiling; the housing 102 is fixedly connected to the mounting seat 101; the hanger 103 comprises a rotating shaft 105 and a U-shaped bracket 106 connected to the rotating shaft 105, and the rotating shaft 105 is used for rotational connection with the housing 102; the projection lamp body 104 is rotationally mounted on the U-shaped bracket 106 via a first rotating shaft 107;

[0038] Among them, a first driving unit 108 is arranged in the shell 102, the first driving unit 108 is connected to the rotating shaft 105 and is used to drive the rotating shaft 105 to rotate, and a second driving unit 109 is arranged on the hanger 103, the second driving unit 109 is connected to the projection lamp body 104, and is used to drive the projection lamp body 104 to rotate; the projection lamp body 104, the first driving unit 108 and the second driving unit 109 are connected to a controller, and the controller is connected to a remote control through a wireless signal, and the remote control is located in the shell 102.

[0039] The present embodiment is mainly used for installation on the ceiling. The use of a hanging installation method can reduce the floor space occupied when in use. At the same time, the first driving unit 108 is provided to drive the rotating shaft 105 to rotate, so that the projection lamp body 104 installed on the U-shaped bracket 106 can rotate to achieve adjustment in multiple directions. At the same time, the second driving unit 109 drives the projection lamp body 104 to rotate on the U-shaped bracket 106, so that the purpose of multi-angle adjustment of the projection lamp body 104 can be achieved. The utility model can solve the technical problem in the prior art that the projection lamp can only be adjusted in the same direction and its angle adjustment range is small.

[0040] In actual use, the angle can also be adjusted through the remote control, which makes the operation more convenient.

[0041] The rotating shaft 105 and the housing 102 are rotatably connected via a bearing, and an anti-drop cover 112 is provided at one end of the rotating shaft 105 located inside the housing 102. The anti-drop cover 112 can play a protective role and can prevent the rotating shaft 105 from being separated from the housing 102 and causing danger.

[0042] Furthermore, the mounting base 101 can be mounted on the ceiling by means of expansion bolts 110 .

[0043] The mounting base 101 and the housing 102 are connected by bolts.

[0044] The rotating shaft 105 has a threaded hole 111 , and the anti-detachment cover 112 is in a T-shaped structure as a whole. The anti-detachment cover 112 is threadably matched with the threaded hole 111 .

[0045] Furthermore, the first driving unit 108 includes a motor 113 and a driving gear 114, a meshing tooth 115 is provided on the rotating shaft 105, the motor 113 is fixedly installed in the housing 102, the output end of the motor 113 is extended out of the housing 102 and meshes with the meshing tooth 115, and the motor 113 is connected to the controller. When in use, it is only necessary to start the motor 113 and control the forward and reverse rotation of the motor 113 to realize the driving of the rotating shaft 105, thereby realizing the adjustment of the angle of the projection lamp body 104.

[0046] The housing 102 is provided with heat dissipation holes to facilitate heat dissipation of the motor 113 .

[0047] Among them, the second driving unit 109 includes a telescopic rod 116, a first bracket 117 and a second bracket 118. The first bracket 117 is connected to the rotating shaft 105, and the second bracket 118 is connected to the projection lamp body 104. The two ends of the telescopic rod 116 are respectively hinged to the first bracket 117 and the second bracket 118, and the telescopic rod 116 is connected to the controller.

[0048] By controlling the telescopic rod 116 to extend or shorten, the projection lamp body 104 can be rotated around the first rotation axis 107 to adjust the angle of the projection lamp body 104 .

[0049] The two ends of the telescopic rod 116 are respectively hinged to the first bracket 117 and the second bracket 118 through the pin 119 .

[0050] Furthermore, the telescopic rod 116 is an electric telescopic rod 116 .

[0051] Furthermore, in actual use, a conductive slip ring 120 is installed on the rotating shaft 105 , a wire groove is provided on the rotating shaft 105 , and the second driving unit 109 and the cable driving the projection lamp body 104 are located in the wire groove and connected to the controller through the conductive slip ring 120 .

[0052] The conductive slip ring 120 can make it more convenient to arrange the cables and avoid tangling. The inner ring of the conductive slip ring 120 is connected to the rotating shaft 105 , and the outer ring is connected to the housing 102 .

[0053] In some embodiments, the housing 102 of the projection lamp body 104 is provided with a heat conducting sheet 121, the projection lamp body 104 is provided with a mounting plate 122, and the mounting plate 122 is provided with a cooling fan 123. The cooling fan 123 can achieve rapid cooling of the projection lamp body 104.

[0054] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A projection lamp that facilitates adjustment of light projection angle, characterized in that: include: A mounting base, the mounting base is used to be fixedly mounted on the ceiling; A housing, wherein the housing is fixedly connected to the mounting seat; A hanger, the hanger comprising a rotating shaft and a U-shaped bracket connected to the rotating shaft, the rotating shaft being used for rotational connection with the housing; A projection lamp body, wherein the projection lamp body is rotatably mounted on the U-shaped bracket via a first rotating shaft; Among them, a first driving unit is arranged in the shell, the first driving unit is connected to the rotating shaft and is used to drive the rotating shaft to rotate, and a second driving unit is arranged on the hanger, the second driving unit is connected to the projection lamp body and is used to drive the projection lamp body to rotate; the projection lamp body, the first driving unit and the second driving unit are connected to a controller, and the controller is connected to a remote control through a wireless signal, and the remote control is located in the shell.

2. A projection lamp that facilitates adjustment of light projection angle according to claim 1, characterized in that: The rotating shaft and the shell are rotatably connected via a bearing, and an anti-drop cover is arranged at one end of the rotating shaft inside the shell.

3. A projection lamp that facilitates adjustment of light projection angle according to claim 2, characterized in that: A threaded hole is provided on the rotating shaft, and the anti-detachment cover is in a T-shaped structure as a whole, and the anti-detachment cover is threadably matched with the threaded hole.

4. The projection lamp with convenient light projection angle adjustment according to claim 1, characterized in that: The first driving unit includes a motor and a driving gear. The rotating shaft is provided with meshing teeth. The motor is fixedly installed in the housing. The output end of the motor extends out of the housing and meshes with the meshing teeth. The motor is connected to the controller.

5. The projection lamp with convenient light projection angle adjustment according to claim 4, characterized in that: The shell is provided with heat dissipation holes.

6. A projection lamp for conveniently adjusting the light projection angle according to any one of claims 1 to 5, characterized in that: The second driving unit includes a telescopic rod, a first bracket and a second bracket. The first bracket is connected to the rotating shaft, the second bracket is connected to the projection lamp body, both ends of the telescopic rod are hinged to the first bracket and the second bracket respectively, and the telescopic rod is connected to the controller.

7. The projection lamp with convenient light projection angle adjustment according to claim 6, characterized in that: The two ends of the telescopic rod are respectively hinged to the first bracket and the second bracket through pins.

8. The projection lamp with convenient light projection angle adjustment according to claim 6, characterized in that: The telescopic rod is an electric telescopic rod.

9. A projection lamp for conveniently adjusting the light projection angle according to any one of claims 1 to 5, characterized in that: A conductive slip ring is installed on the rotating shaft, a wire groove is arranged on the rotating shaft, and the second driving unit and the cable for driving the projection lamp body are located in the wire groove and connected to the controller through the conductive slip ring.

10. A projection lamp with convenient light projection angle adjustment according to any one of claims 1 to 5, characterized in that: The outer shell of the projection lamp body is provided with a heat conducting sheet, the projection lamp body is provided with a mounting plate, and the mounting plate is provided with a heat dissipation fan.

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