Lamp focusing device and lighting equipment

Abstract

The utility model provides a lamp focusing device and lighting equipment. The lamp focusing device comprises a first fixed plate, a movable plate opposite to the first fixed plate, and a plurality of driving rods connected with the first fixed plate and the movable plate. Wherein the first fixed plate is used for fixing a light control accessory, the movable plate is used for fixing a light source module, the driving rods are provided with external threads in an extending mode in the length direction of the driving rods, and the movable plate is provided with a plurality of synchronous nuts correspondingly matched with the driving rods and driving parts for driving the synchronous nuts to rotate around the axes of the driving rods; synchronous gear teeth used for being synchronously connected with the other synchronous nuts are arranged outside the synchronous nuts, internal threads matched with the external threads are arranged inside the synchronous nuts, and the movable plate moves in the axial direction of the driving rod when the synchronous nuts rotate around the driving rod. By the adoption of the technical scheme, the space, occupied by the driving piece, of the lamp focusing device in the length direction is reduced, and the lamp focusing device is miniaturized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light equipment more particularly, it relates to a lamp focusing device and light equipment. BACKGROUND

[0002] In the process of film and television, advertisement, video creation often needs the light to carry out the lighting, but based on the different use scene, often needs to adjust the light spot and the illumination of light, the existing mode is manually adjusted, especially in the case of hoisting, it is very inconvenient to adjust, in addition, also have the electric mode to adjust the light, however, the length of the existing electrification light focusing device is longer, occupies more space. UTILITY MODEL CONTENT

[0003] The utility model discloses a lamp focusing device and light equipment to solve the technical problem of long length and large space occupation of the lamp focusing device in the prior art.

[0004] To achieve the above object, the utility model adopts the technical scheme of:

[0005] First, a lamp focusing device is provided, comprising:

[0006] A first fixed plate, a movable plate opposite the first fixed plate, and a plurality of drive rods connecting the first fixed plate and the movable plate.

[0007] The first fixed plate is used to fix the light control accessory, the movable plate is used to fix the light source module, the drive rods are provided with external threads along the length direction of the drive rods, the movable plate is provided with a plurality of synchronous nuts corresponding to the plurality of drive rods and a driving member for driving the plurality of synchronous nuts to rotate around the axis of the drive rods.

[0008] The synchronous nuts are provided with synchronous gear teeth on the outside for synchronous connection with the remaining synchronous nuts, and the inside of the synchronous nuts is provided with internal threads matched with the external threads.

[0009] By adopting the above technical scheme, the driving member for driving the movable plate to move is located on the movable plate, which avoids the driving member being exposed by being located on the first fixed plate, reduces the space occupied by the driving member in the length direction of the lamp focusing device, and miniaturizes the lamp focusing device.

[0010] In one embodiment, the driving member includes a motor, a drive shaft provided on the motor, a drive wheel provided on the drive shaft, and a synchronous belt, the drive wheel is synchronously connected with the plurality of synchronous nuts through the synchronous belt.

[0011] By adopting the technical scheme, the structure of the driving member is simple, and the operation reliability is high.

[0012] In one embodiment, the synchronization nut comprises a main synchronization nut and a secondary synchronization nut, the synchronization belt comprises a first synchronization belt and a second synchronization belt, the driving wheel is connected with the main synchronization nut through the first synchronization belt, and the main synchronization nut is connected with the secondary synchronization nut through the second synchronization belt.

[0013] By adopting the technical scheme, the multiple synchronization nuts are guaranteed to rotate synchronously.

[0014] In one embodiment, the movable plate is further provided with a synchronization idler wheel, and the synchronization idler wheel is synchronously connected with the main synchronization nut and the secondary synchronization nut through the second synchronization belt.

[0015] By adopting the technical scheme, the movable plate is realized to slide along the length direction of the driving rod.

[0016] In one embodiment, the movable plate is provided with a sliding member in one-to-one sliding cooperation with the driving rod.

[0017] By adopting the technical scheme, the stability of the movable plate during movement is further improved, and the precision of the distance between the light source and the light control accessory during movement is improved.

[0018] In one embodiment, the lamp focusing device further comprises a plurality of guide rods, the guide rods are connected with the first fixed plate and the guide rods and are parallel to the driving rod, and the movable plate is provided with a guide block in sliding connection with the guide rods.

[0019] By adopting the technical scheme, the stability of the movable plate during movement is further improved, and the precision of the distance between the light source and the light control accessory during movement is improved.

[0020] In one embodiment, the lamp focusing device further comprises a second fixed plate opposite to the first fixed plate, the movable plate is arranged between the first fixed plate and the second fixed plate, the light source module comprises a light source and a heat dissipation module connected with the light source, the heat dissipation module is arranged between the movable plate and the second fixed plate, and the heat dissipation module is connected with the movable plate through a fixing rod.

[0021] By adopting the technical scheme, the possibility of the driving rod and the guide rod blocking the light source is reduced.

[0022] In one embodiment, the movable plate is provided with a fixing groove, and the light source is correspondingly installed at the fixing groove.

[0023] By adopting the technical scheme, the light source is fixed.

[0024] In one embodiment, the movable plate is provided with a sensor for sensing the distance between the movable plate and the first fixed plate.

[0025] In a second aspect, a light device is provided, comprising a light control accessory, a light source and the light fixture focusing device described above, the light control accessory is arranged on the first fixed plate, and the light source is arranged on the movable plate.

[0026] By adopting the technical scheme described above, on the basis of the advantages of the light fixture focusing device having the above-mentioned embodiments, the light device of the present embodiment also has the advantage of controllable light. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0028] Figure 1 is a perspective view of the light fixture focusing device provided by the embodiments of the present application.

[0029] Figure 2 is an enlarged view of "A" in Figure 1

[0030] In the drawings, the reference signs are as follows:

[0031] 1, first fixed plate; 2, second fixed plate; 3, drive rod; 4, movable plate; 5, light source module; 6, sliding member; 7, drive member; 8, guide rod;

[0032] 71, motor; 72, drive shaft; 73, drive wheel; 74, synchronous nut; 75, synchronous belt; 76, synchronous idler;

[0033] 41, guide block; 42, fixed groove; 43, sensor;

[0034] 51, light source; 52, heat dissipation module; 53, fixed rod;

[0035] 741, main synchronous nut; 742, secondary synchronous nut;

[0036] 751, first synchronous belt; 752, second synchronous belt. DETAILED DESCRIPTION

[0037] ​In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments.

[0038] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

[0039] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0040] In addition, the terms "first", "second", "third", etc. are only for descriptive purposes and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited. The specific implementation of the utility model will be described in more detail below in combination with specific embodiments:

[0041] As shown in Figure 1 and Figure 2 The utility model discloses a lamp focusing device for installing in the light equipment, and the lamp focusing device is used for adjusting the light control accessory, so that the light of the light equipment can be adjusted.

[0042] The lamp focusing device provided by the embodiment can be electrically adjusted, and the length of the lamp focusing device is relatively short, and the lamp focusing device occupies small space. The following will be described through specific embodiments:

[0043] The lamp focusing device of the embodiment comprises:

[0044] A first fixed plate 1, a movable plate 4 opposite to the first fixed plate 1, and a plurality of drive rods 3 connecting the first fixed plate 1 and the movable plate 4.

[0045] The first fixed plate 1 is used for fixing the light control accessory, the movable plate 4 is used for fixing the light source module 5, the driving rod 3 is provided with external threads along the length direction of the driving rod 3, the movable plate 4 is provided with a plurality of synchronous nuts 74 corresponding to the plurality of driving rods 3 and a driving member 7 for driving the plurality of synchronous nuts 74 to rotate around the axis of the driving rod 3;

[0046] The synchronous nut 74 is provided with synchronous teeth on the outside for synchronous connection with the remaining synchronous nuts 74, and is provided with internal threads on the inside for matching the external threads;

[0047] The movable plate 4 moves along the axial direction of the driving rod 3 when the synchronous nut 74 rotates around the driving rod 3.

[0048] Here, it can be understood that the first fixed plate 1 is a component for fixing the light control accessory, and the fixing mode of the first fixed plate 1 includes but is not limited to adhesion or threaded connection;

[0049] The driving rod 3 refers to a rod body for driving the movable plate 4 to move; the driving rod 3 is connected to the first fixed plate 1, wherein the driving rod 3 is provided with external threads extending along the length direction of the driving rod 3;

[0050] The movable plate 4 refers to a plate-shaped component slidingly arranged on the driving rod 3; the movable plate 4 is provided with the synchronous nut 74 for matching the driving rod 3;

[0051] The synchronous nut 74 is provided with internal threads for matching the external threads;

[0052] In this way, when the driving member 7 drives the synchronous nut 74 to rotate around the axis of the driving rod 3, the synchronous nut 74 can move along the axis of the driving rod 3, and since the synchronous nut 74 is rotationally arranged on the movable plate 4;

[0053] In this way, the synchronous nut 74 can drive the movable plate 4 to move along the axis of the driving rod 3, and further drive the light source 5 on the movable plate 4 to move in the direction of approaching or moving away from the light control accessory, so as to finally adjust the light source 5.

[0054] The working principle of the lamp focusing device provided in the embodiment is as follows:

[0055] The light control accessory is installed on the first fixed plate 1, and the light source 5 is installed on the movable plate 4; the driving member 7 is used for driving the light source 5 to move along the axial direction of the driving rod 3, so that the light source 5 moves in the direction of approaching or moving away from the light control accessory, thereby adjusting the light direction, illuminance or color of the light source 5.

[0056] By adopting the technical scheme, the driving member 7 for driving the movable plate 4 to move is located on the movable plate 4, so that the driving member 7 is avoided from being exposed, the space occupied by the driving member 7 in the length direction of the lamp focusing device is reduced, and the lamp focusing device is miniaturized.

[0057] In one embodiment, the driving member 7 comprises a motor 71, a driving shaft 72 arranged on the motor 71, a driving wheel 73 arranged on the driving shaft 72, and a synchronous belt 75, and the driving wheel 73 is synchronously connected with the plurality of synchronous nuts 74 through the synchronous belt 75.

[0058] Here, it can be understood that the driving member 7 comprises the motor 71, the driving shaft 72, the driving wheel 73, and the synchronous belt 75;

[0059] The motor 71 is a driving structure, the driving shaft 72 is arranged on the motor 71, the driving wheel 73 is arranged on the driving shaft 72, the motor 71 is used for driving the driving shaft 72 to rotate around the axis thereof, the driving shaft 72 drives the driving wheel 73 to rotate around the shaft, and the driving wheel 73 is drivingly connected with the synchronous nut 74 through the synchronous belt 75.

[0060] By adopting the technical scheme, the structure of the driving member 7 is simple, and the operation reliability is high.

[0061] In one embodiment, the synchronous nut 74 comprises a main synchronous nut 741 and a secondary synchronous nut 742, the synchronous belt 75 comprises a first synchronous belt 751 and a second synchronous belt 752, the driving wheel 73 is connected with the main synchronous nut 741 through the first synchronous belt 751, and the main synchronous nut 741 is connected with the secondary synchronous nut 742 through the second synchronous belt 752.

[0062] By adopting the technical scheme, the cooperation between the synchronous nut 74 and the synchronous belt 75 is realized.

[0063] Preferably, the number of the driving rods 3 is two, and the two driving rods 3 are symmetrically arranged on the two sides of the light source 5.

[0064] In one embodiment, the movable plate 4 further comprises a synchronous idler 76, and the synchronous idler 76 is synchronously connected with the main synchronous nut 741 and the secondary synchronous nut 742 through the second synchronous belt 752.

[0065] By adopting the technical scheme, the synchronous rotation of the plurality of synchronous nuts 74 is ensured.

[0066] In one embodiment, the movable plate 4 is provided with a sliding member 6 which is in one-to-one sliding cooperation with the driving rod 3.

[0067] Here, it can be understood that the sliding member 6 can be a plane thrust roller, and the sliding member 6 is slidingly arranged on the driving rod 3, so that the movable plate 4 can slide along the length direction of the driving rod 3.

[0068] By adopting the technical scheme, the movable plate 4 is realized to slide along the length direction of the driving rod 3.

[0069] In an embodiment, the lamp focusing device further comprises a plurality of guide rods 8, the guide rods 8 are connected with the first fixed plate 1 and the guide rods 8 are parallel to the driving rod 3, and the movable plate 4 is provided with guide blocks 41 which are slidingly connected with the guide rods 8.

[0070] Here, it can be understood that the guide rods 8 refer to rod bodies for guiding the moving direction of the movable plate 4; the guide rods 8 are connected with the first fixed plate 1 and the second fixed plate 2, the guide rods 8 are arranged in parallel and spaced apart from the driving rod 3, the movable plate 4 is provided with the guide blocks 41 which are slidingly connected with the guide rods 8.

[0071] That is, the guide blocks 41 can move along the axial direction of the guide rods 8, since the guide blocks 41 are arranged on the movable plate 4, the guide blocks 41 guide the movable plate 4 to move along the axial direction of the guide rods 8.

[0072] By adopting the technical scheme, the stability of the movable plate 4 during movement is further improved, and the precision of the distance between the light source 5 and the light control accessory during movement is improved.

[0073] In an embodiment, the lamp focusing device further comprises a second fixed plate 2 opposite to the first fixed plate, the movable plate 4 is arranged between the first fixed plate 1 and the second fixed plate 2, the light source module 5 comprises a light source 51 and a heat dissipation module 52 connected with the light source 51, the heat dissipation module 52 is arranged between the movable plate 4 and the second fixed plate 2, and the heat dissipation module 52 is connected with the movable plate 4 through a fixing rod 53.

[0074] By adopting the technical scheme, the driving member 7 for driving the movable plate 4 to move is arranged between the first fixed plate 1 and the second fixed plate 2, so that the driving member 7 is avoided to be exposed when arranged on the first fixed plate 1 or the second fixed plate 2, the space occupied by the driving member 7 in the length direction of the lamp adjusting device is reduced, and the lamp adjusting device is miniaturized.

[0075] In an embodiment, the movable plate 4 is provided with a fixing groove 42, and the light source 5 is arranged to be fixed at the fixing groove 42.

[0076] Here, it can be understood that the fixing groove 42 refers to a groove structure for fixing the light source 5; the shape and size of the fixing groove 42 are matched with the shape and size of the light source 5, so that the light source 5 can be exactly installed in the fixing groove 42; the light source 5 can be fixed in the fixing groove 42 in a way of embedding or threaded connection.

[0077] By adopting the technical scheme, the light source 5 is fixed.

[0078] In one embodiment, the driving rod 3 and the guiding rod 8 are arranged around the fixed groove 42.

[0079] Here, it can be understood that the driving rod 3 and the guiding rod 8 avoid the light source 5 arranged in the fixed groove 42, so as to avoid shielding the light emission of the light source 5.

[0080] By adopting the above technical solution, the possibility of the driving rod 3 and the guiding rod 8 shielding the light emission of the light source 5 is reduced.

[0081] In one embodiment, the movable plate 4 is provided with a sensor 43 for sensing the distance between the movable plate 4 and the first fixed plate 1.

[0082] Here, it can be understood that the sensor 43 refers to a device for sensing the distance; the sensor 43 is electrically connected with the driving member 7, and when the sensor 43 senses that the distance between the movable plate 4 and the first fixed plate 1 is less than a threshold value, a control signal is sent to the driving member 7, and the driving member 7 stops driving the movable plate 4 to continue moving, so as to ensure the safety of the light source 5 on the movable plate 4.

[0083] By adopting the above technical solution, the protection performance of the lamp focusing device is improved.

[0084] Secondly, a light device is provided, which comprises a light control accessory, a light source 5 and the above-mentioned lamp focusing device, the light control accessory is arranged on the first fixed plate 1, and the light source 5 is arranged on the movable plate 4.

[0085] By adopting the above technical solution, on the basis of the advantages of the lamp focusing device with the above-mentioned embodiments, the light device of the present embodiment also has the advantage that the light is controllable.

[0086] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A luminaire focusing device, characterized by The lamp focusing device comprises a first fixed plate (1), a movable plate (4) opposite to the first fixed plate (1), and a plurality of driving rods (3) connecting the first fixed plate (1) and the movable plate (4). The first fixed plate (1) is used for fixing a light control accessory, the movable plate (4) is used for fixing a light source module (5), the driving rods (3) are provided with external threads along the length direction of the driving rods (3), the movable plate (4) is provided with a plurality of synchronous nuts (74) corresponding to the plurality of driving rods (3) and a driving member (7) for driving the plurality of synchronous nuts (74) to rotate around the axis of the driving rods (3), the synchronous nuts (74) are provided with synchronous gear teeth on the outside for synchronous connection with the remaining synchronous nuts (74), and the inside of the synchronous nuts (74) is provided with internal threads matched with the external threads. The driving member (7) comprises a motor (71), a driving shaft (72) arranged on the motor (71), a driving wheel (73) arranged on the driving shaft (72), and a synchronous belt (75), the driving wheel (73) is synchronously connected with the plurality of synchronous nuts (74) through the synchronous belt (75).

2. The luminaire focusing device of claim 1, wherein, The synchronous nuts (74) comprise a main synchronous nut (741) and a secondary synchronous nut (742), the synchronous belt (75) comprises a first synchronous belt (751) and a second synchronous belt (752), the driving wheel (73) is connected with the main synchronous nut (741) through the first synchronous belt (751), and the main synchronous nut (741) is connected with the secondary synchronous nut (742) through the second synchronous belt (752).

3. The luminaire focusing device of claim 2, wherein, The movable plate (4) is further provided with a synchronous idler (76), the synchronous idler (76) is synchronously connected with the main synchronous nut (741) and the secondary synchronous nut (742) through the second synchronous belt (752).

4. The luminaire focusing device of claim 3, wherein, The movable plate (4) is provided with a sliding member (6) slidingly matched with the driving rods (3).

5. The luminaire focusing device of claim 1, wherein The lamp focusing device further comprises a plurality of guide rods (8), the guide rods (8) are connected with the first fixed plate (1) and the guide rods (8) and are parallel to the driving rods (3), and the movable plate (4) is provided with a guide block (41) slidingly connected with the guide rods (8).

6. The luminaire focusing device of claim 1, wherein, The lamp focusing device further comprises a second fixed plate (2) opposite to the first fixed plate (1), the movable plate (4) is located between the first fixed plate (1) and the second fixed plate (2), the light source module (5) comprises a light source (51) and a heat dissipation module (52) connected with the light source (51), the heat dissipation module (52) is arranged between the movable plate (4) and the second fixed plate (2), and the heat dissipation module (52) is connected with the movable plate (4) through a fixing rod (53).

7. The luminaire focusing device of claim 1, wherein, The movable plate (4) is provided with a fixing groove (42), and the light source (51) is correspondingly installed at the fixing groove (42).

8. The luminaire focusing device of claim 7, wherein, ​ 9. The luminaire focusing device of any one of claims 1 to 8, wherein, The movable plate (4) is provided with a sensor (43) for sensing the distance between the movable plate (4) and the first fixed plate (1).

10. A light device, characterized by The light fixture focusing device comprises a light control accessory, a light source module (5), and the light fixture focusing device according to any one of claims 1 to 9, wherein the light control accessory is arranged on the first fixed plate (1), and the light source module (5) is arranged on the movable plate (4).

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