CN219512502U - Automatic focusing and dimming device - Google Patents

Abstract

The utility model relates to the technical field of projection equipment, in particular to an automatic focusing and dimming device, which comprises a support frame, a projector, a focusing assembly and a dimming assembly, wherein an opening is arranged above the support frame, the projector is positioned in the support frame, the focusing assembly is arranged on one side of the support frame, and the dimming assembly is positioned on the other side of the support frame; the projector is provided with a focusing gear which is positioned at the opening, the focusing assembly comprises a motor and a transmission gear, the motor is connected with the support frame, the axis of the transmission gear is connected with a transmission rod of the motor, and the focusing gear is meshed with the transmission gear. The utility model is driven by the motor through the transmission gear, so that the focusing gear on the projector can be driven by the transmission gear to perform focusing procedure, and the light adjusting component can move towards the X, Y, Z axis to cooperatively adjust the reflecting cup fixed on the support frame, and the definition of the projection picture is improved by adjusting the angle of the reflecting cup.

Description

Automatic focusing and dimming device

Technical Field

The utility model relates to the technical field of projection equipment, in particular to an automatic focusing and dimming device.

Background

With the development of society, laser projection devices are more and more frequently arranged in families, offices, study and entertainment places, and become an indispensable part of daily life of people, and at present, when screen projection is carried out, focusing and dimming are needed to be carried out on the projection devices.

The optical lens of the projector has a definite focal length, however, due to various reasons such as processing technology and carrying, the photoreceptor of the projection lens may deviate from the optimal imaging surface, so that imaging is poor, therefore, focal length adjustment is needed to be carried out on the camera lens, the definition of the picture is improved, and due to the fact that the projection is enlarged to a curtain, the resolution of the projection picture is reduced, the image quality is blurred, besides the resolution of the projection picture is improved, the light can be secondarily adjusted by adding the reflector lamp, and the projection definition can be improved by repeatedly adjusting the included angle between the reflector lamp and the projector.

Therefore, a device is needed, which has the functions of adjusting the focal length and the included angle between the reflecting cup and the projector, so that the whole adjusting process is automatic, the precision is high, and the occupied space is small.

Disclosure of Invention

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and the appended drawings.

The utility model aims to overcome the defects, and provides an automatic focusing and dimming device, which is provided with a transmission gear and is driven by a motor, so that a focusing gear on a projector can be driven by the transmission gear to perform a focusing procedure, and a dimming component can be arranged to move towards three directions of a X, Y, Z shaft and is used for cooperatively adjusting a reflecting cup fixed on a support frame, and the definition of a projection picture is improved by adjusting the angle of the reflecting cup.

The utility model provides an automatic focusing and dimming device, which comprises a support frame, a projector, a focusing assembly and a dimming assembly, wherein an opening is arranged above the support frame, the projector is positioned in the support frame, the focusing assembly is arranged on one side of the support frame, and the dimming assembly is positioned on the other side of the support frame; the projector is provided with a focusing gear which is positioned at the opening, the focusing assembly comprises a motor and a transmission gear, the motor is connected with the support frame, the axis of the transmission gear is connected with a transmission rod of the motor, and the focusing gear is meshed with the transmission gear.

The support frame is used for fixing the position of the projector, under the condition that the position of the projector is fixed, the positions of the reflecting cup and the focusing component can be adjusted accordingly, the support frame is provided with an opening, the focusing gear arranged on the projector is exposed, and conventionally, a user can adjust the definition of a picture by manually rotating the focusing gear.

In some embodiments, the projector side is an imaging end, the support frame is provided with a reflective cup at the imaging end side, and the reflective cup is fixed with the support frame through an elastic bolt.

The original incident light angle of the projector is about 120 degrees, in order to achieve the utilization of light and achieve the effect of requirements, the projector can control the distance, the area and the facula effect of the light through the reflector, the reflector usually appears in the form of a cup, the reflector industry which appears in the form is commonly called as a reflecting cup, the reflecting cup is beneficial to the projector to achieve secondary adjustment of the light, the definition of images is improved, the reflecting cup is fixed through an elastic bolt, and the angle between the reflecting cup and the projector can be repeatedly adjusted, so that the most clear projection picture is displayed.

In some embodiments, the elastic bolt comprises a stud, a nut and a spring, the spring is sleeved outside the stud, one end of the spring is connected with the reflective cup, the other end of the spring is a free end, one end of the stud is connected with the supporting frame, and the other end of the stud is in threaded connection with the nut.

The reflecting cup is characterized in that a certain included angle exists between the reflecting cup and the projector, a spring is arranged at the movable end of the reflecting cup, the reflecting cup is moved to the other end of the stud through rotating the nut, and when the reflecting cup rotates to a certain position, the nut is abutted against the spring, so that the reflecting cup connected with the spring is driven to move in position, different included angles between the reflecting cup and the projector are generated, and the projected picture reaches the clearest picture through adjusting different angles.

In some embodiments, the dimming component comprises a control mechanism, an X-axis adjusting mechanism, a Y-axis adjusting mechanism and a Z-axis adjusting mechanism, wherein the Z-axis adjusting mechanism is arranged on the back surface of the control mechanism, the control mechanism moves vertically up and down relative to the Z-axis adjusting mechanism, the Z-axis adjusting mechanism is fixed with the detachable Y-axis adjusting mechanism, the Z-axis adjusting mechanism moves longitudinally relative to the Y-axis adjusting mechanism, the X-axis adjusting mechanism is respectively arranged at two ends of the Y-axis adjusting mechanism, the Y-axis adjusting mechanism moves transversely relative to the X-axis adjusting mechanism, and the control mechanism is respectively electrically connected with the Z-axis adjusting mechanism, the Y-axis adjusting mechanism and the X-axis adjusting mechanism.

Set up Z axle adjustment mechanism, Y axle adjustment mechanism and X axle adjustment mechanism to through control mechanism cooperation regulation and control, make this subassembly of adjusting luminance can remove towards X, Y and Z arbitrary direction, automatically regulated to required position, avoid traditional manual regulation action, use manpower sparingly, and overall structure is comparatively simple, convenient production.

In some embodiments, the Z-axis adjusting mechanism includes a Z-axis sliding rail, a Z-axis moving block and a Z-axis motor, the Z-axis sliding rail is provided with the Z-axis moving block that moves vertically up and down, the Z-axis moving block is driven by the Z-axis motor, and the control mechanism is fixed on the Z-axis moving block. Through the cooperation of screw rod and motor, realize this Z axle adjustment mechanism's vertical reciprocates.

In some embodiments, the Y-axis adjusting mechanism includes a Y-axis sliding rail, a Y-axis moving block, and a Y-axis motor, the Y-axis sliding rail is provided with the Y-axis moving block that moves longitudinally, the Z-axis sliding rail is fixed on the Y-axis moving block, and the Y-axis moving block is driven by the Y-axis motor. The longitudinal movement of the Y-axis adjusting mechanism is realized through the cooperation of the screw rod and the motor.

In some embodiments, the X-axis adjusting mechanism includes an X-axis sliding rail, an X-axis moving block and an X-axis motor, the X-axis sliding rail is provided with the X-axis moving block that moves laterally, two ends of the Y-axis sliding rail are respectively provided with a support plate, the support plates are connected with the X-axis moving block through fixing bolts, and the X-axis moving block is driven by the X-axis motor.

Through the cooperation of screw rod and motor, realize this X axle adjustment mechanism's lateral shifting, fixing bolt and the backup pad of setting make this X axle adjustment mechanism detachable, whole subassembly that adjusts luminance after dismantling occupies the space less to easy equipment.

In some embodiments, the Z-axis moving block is further provided with a fixing plate, the fixing plate is provided with a rotating motor, a central shaft of the rotating motor is connected with a nut sleeve, and the size of an inner ring of the nut sleeve is matched with that of the nut.

Through Z axle adjustment mechanism, Y axle adjustment mechanism and X axle adjustment mechanism three-dimensional removal, can make the nut sleeve that sets up on this fixed plate remove to nut department, this nut sleeve cup joints outside this nut, through rotating electrical machines drive rotation, the difference of direction of rotation, can realize this nut inwards or outwards twist, realize the process of changing reflection of light cup angle, after the adjustment is accomplished, this nut sleeve passes through the cooperation of Z axle adjustment mechanism, Y axle adjustment mechanism and X axle adjustment mechanism, leave this position.

In some embodiments, a clamping groove is formed on a side of the support plate, the size of the clamping groove is matched with that of the X-axis moving block, fixing holes are formed on the clamping groove and the X-axis moving block, and the fixing bolts penetrate through the fixing holes to fix the support plate and the X-axis moving block.

The clamping groove is matched with the X-axis moving block, so that the X-axis adjusting mechanism and the Y-axis adjusting mechanism are combined more tightly, small-amplitude displacement can be effectively avoided, and the stability can be improved through fixing bolts.

In some embodiments, the fixing bolt comprises a movable rod, a spring and a threaded sleeve, the spring is sleeved outside the movable rod, one end of the movable rod is provided with a stop block, the other end of the movable rod is in threaded connection with the threaded sleeve, and the spring is positioned between the stop block and the threaded sleeve.

The fixing bolt is used for fixing the supporting plate and the X-axis sliding block, and when the fixing bolt is fixed, the supporting performance of the fixing bolt is stronger than that of a conventional fixing bolt, and when the fixing bolt is detached, the spring can eject the movable rod, so that the repeated screwing process is avoided, and the X-axis adjusting mechanism and the Y-axis adjusting mechanism are convenient to detach.

By adopting the technical scheme, the utility model has the beneficial effects that:

the utility model realizes the automatic focusing process by arranging the transmission gear and driving the transmission gear by the motor, the gear focusing process is more accurate and the projection picture is clearer than manual focusing, and the reflecting cup fixed by the elastic bolt is also arranged, the elastic bolt can adjust the included angle between the reflecting cup and the projector and is used for carrying out secondary adjustment on light, and the picture definition is improved again.

According to the utility model, the Z-axis adjusting mechanism, the Y-axis adjusting mechanism and the X-axis adjusting mechanism are arranged, and through mutual matching of the three mechanisms, the movement of the control mechanism X, Y and the Z direction can be adjusted, so that the nut sleeve can be automatically adjusted to a required position, the included angle between the reflecting cup and the projector can be adjusted, the traditional manual adjustment is avoided, the manual workload is reduced, and the fixed bolt is arranged, so that the Y-axis adjusting mechanism and the X-axis adjusting mechanism can be disassembled and assembled more conveniently.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

It is apparent that these and other objects of the present utility model will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model, without limitation to the utility model.

In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the utility model, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic perspective view of an autofocus dimming device according to some embodiments of the present utility model;

FIG. 2 is a schematic perspective view of a focusing assembly according to some embodiments of the present utility model;

fig. 3 is a schematic perspective view of a dimming component according to some embodiments of the present utility model;

FIG. 4 is a schematic perspective view of a Z-axis adjustment mechanism according to some embodiments of the present utility model;

FIG. 5 is a schematic perspective view of a Y-axis adjustment mechanism according to some embodiments of the present utility model;

FIG. 6 is a schematic perspective view of an X-axis adjustment mechanism according to some embodiments of the present utility model;

FIG. 7 is a schematic view of a fixing bolt according to some embodiments of the present utility model;

FIG. 8 is a schematic view of reflector cups and bolt sleeves according to some embodiments of the utility model;

FIG. 9 is a schematic diagram of a reflector-free cup structure in accordance with some embodiments of the present utility model;

fig. 10 is a schematic view of a construction of a spring bolt according to some embodiments of the utility model.

The main reference numerals illustrate:

1. a support frame;

2. an opening;

3. a projector;

4. a focusing assembly;

41. a motor;

42. a transmission gear;

5. a focusing gear;

6. a reflective cup;

7. an elastic bolt;

71. a stud; 72. a nut; 73. a first spring;

8. a dimming component;

81. a control mechanism;

811. a fixing plate; 812. a rotating electric machine; 813. a nut sleeve;

82. an X-axis adjusting mechanism;

821. an X-axis sliding rail; 822. an X-axis moving block; 823. an X-axis motor;

83. a Y-axis adjusting mechanism;

831. a Y-axis sliding rail; 832. a Y-axis moving block; 833. a Y-axis motor; 834. a support plate; 835. a fixing hole;

84. a Z-axis adjusting mechanism;

841. a Z-axis sliding rail; 842. a Z-axis moving block; 843. a Z-axis motor;

9. a fixing bolt;

91. a movable rod; 92. a second spring; 93. a threaded sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the following detailed description. It should be understood that the detailed description is presented merely to illustrate the utility model, and is not intended to limit the utility model.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that direct connection indicates that the two bodies connected together do not form a connection relationship through a transition structure, but are connected together to form a whole through a connection structure. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1-2, fig. 1 is a schematic perspective view of an autofocus dimming device according to some embodiments of the present utility model; referring to fig. 2, fig. 2 is a schematic perspective view of a focusing assembly according to some embodiments of the present utility model.

According to some embodiments of the present utility model, the present utility model provides an auto-focusing light-adjusting device, which comprises a support frame 1 with an opening 2 arranged above, a projector 3 positioned in the support frame 1, a focusing component 4 arranged on one side of the support frame 1, and a light-adjusting component 8 positioned on the other side of the support frame 1; the projector 3 is provided with a focusing gear 5, the focusing gear 5 is positioned at the opening 2, the focusing assembly 4 comprises a motor 41 and a transmission gear 42, the motor 41 is connected with the support frame 1, the axis of the transmission gear 42 is connected with a transmission rod of the motor 41, and the focusing gear 5 is meshed with the transmission gear 42.

The support frame 1 is used for fixing the position of the projector 3, under the condition that the position of the projector 3 is fixed, the positions of the reflecting cup 6 and the focusing assembly 4 can be adjusted accordingly, the support frame 1 is provided with an opening 2, the focusing gear 5 arranged on the projector 3 is exposed, and conventionally, a user can adjust the definition of a picture by manually rotating the focusing gear 5.

Referring to fig. 3, fig. 3 is a schematic perspective view of a dimming component according to some embodiments of the present utility model.

According to some embodiments of the present utility model, optionally, the dimming component 8 includes a control mechanism 81, an X-axis adjusting mechanism 82, a Y-axis adjusting mechanism 83, and a Z-axis adjusting mechanism 84, the Z-axis adjusting mechanism 84 is disposed on the back of the control mechanism 81, the control mechanism 81 moves vertically up and down relative to the Z-axis adjusting mechanism 84, the Z-axis adjusting mechanism 84 is fixed with the detachable Y-axis adjusting mechanism 83, the Z-axis adjusting mechanism 84 moves longitudinally relative to the Y-axis adjusting mechanism 83, the X-axis adjusting mechanism 82 is disposed at two ends of the Y-axis adjusting mechanism 83, the Y-axis adjusting mechanism 83 moves laterally relative to the X-axis adjusting mechanism 82, and the control mechanism 81 is electrically connected to the Z-axis adjusting mechanism 84, the Y-axis adjusting mechanism 83, and the X-axis adjusting mechanism 82, respectively.

Through setting up Z axle adjustment mechanism 84, Y axle adjustment mechanism 83 and X axle adjustment mechanism 82 to through control mechanism 81 cooperation regulation and control, this control mechanism 81 still can gather the distortion performance of figure data, through the figure data of gathering, makes this subassembly 8 of adjusting luminance can remove towards X, Y and Z arbitrary direction, automatically regulated to required position, avoids traditional manual regulation action, uses manpower sparingly, and overall structure is comparatively simple, convenient production.

Referring to fig. 4, fig. 4 is a schematic perspective view of a Z-axis adjustment mechanism according to some embodiments of the utility model.

According to some embodiments of the present utility model, the Z-axis adjusting mechanism 84 optionally includes a Z-axis sliding rail 841, a Z-axis moving block 842 and a Z-axis motor 843, the Z-axis sliding rail 841 is provided with the Z-axis moving block 842 that moves vertically up and down, the Z-axis moving block 842 is driven by the Z-axis motor 843, and the control mechanism 81 is fixed on the Z-axis moving block 842. The vertical up-and-down movement of the Z-axis adjusting mechanism 84 is achieved by cooperation of the screw with the motor 41.

The Z-axis moving block 842 is further provided with a fixing plate 811, the fixing plate 811 is provided with a rotating motor 812, a central shaft of the rotating motor 812 is connected with a nut sleeve 813, and the inner ring of the nut sleeve 813 is matched with the nut 72 in size.

Through the three-way movement of the Z-axis adjusting mechanism 84, the Y-axis adjusting mechanism 83 and the X-axis adjusting mechanism 82, the nut sleeve 813 arranged on the fixing plate 811 can be moved to the position of the nut 72, the nut sleeve 813 is sleeved outside the nut 72, the nut 72 is driven to rotate through the rotating motor 812, the different rotating directions can be achieved, the inward or outward screwing of the nut 72 can be achieved, the process of changing the angle of the reflecting cup 6 is achieved, and after adjustment is completed, the nut sleeve 813 is separated from the position through the mutual cooperation of the Z-axis adjusting mechanism 84, the Y-axis adjusting mechanism 83 and the X-axis adjusting mechanism 82.

Referring to fig. 5, fig. 5 is a schematic perspective view of a Y-axis adjusting mechanism according to some embodiments of the present utility model.

Optionally, according to some embodiments of the present utility model, the Y-axis adjusting mechanism 83 includes a Y-axis sliding rail 831, a Y-axis moving block 832 and a Y-axis motor 833, the Y-axis sliding rail 831 is provided with the Y-axis moving block 832 moving longitudinally, the Z-axis sliding rail 841 is fixed on the Y-axis moving block 832, and the Y-axis moving block 832 is driven by the Y-axis motor 833. The longitudinal movement of the Y-axis adjusting mechanism 83 is achieved by the cooperation of the screw and the motor 41.

Referring to fig. 6, fig. 6 is a schematic perspective view of an X-axis adjustment mechanism according to some embodiments of the utility model.

According to some embodiments of the present utility model, optionally, the X-axis adjusting mechanism 82 includes an X-axis sliding rail 821, an X-axis moving block 822 and an X-axis motor 823, the X-axis sliding rail 821 is provided with the X-axis moving block 822 that moves laterally, two ends of the Y-axis sliding rail 831 are respectively provided with a support plate 834, the support plates 834 are connected with the X-axis moving block 822 through a fixing bolt 9, and the X-axis moving block 822 is driven by the X-axis motor 823.

Through the cooperation of screw rod and X axle motor 823, realize the lateral shifting of this X axle adjustment mechanism 82, the fixing bolt 9 and the backup pad 834 of setting make this X axle adjustment mechanism 82 detachable, whole dimming component 8 after dismantling occupies the space less to easy equipment.

The side of the supporting plate 834 is provided with a clamping groove, the size of the clamping groove is matched with that of the X-axis moving block 822, the clamping groove and the X-axis moving block 822 are provided with fixing holes, and the fixing bolts 9 penetrate through the fixing holes to fix the supporting plate 834 and the X-axis moving block 822.

The cooperation of draw-in groove and X axle movable block 822 makes X axle adjustment mechanism 82 and Y axle adjustment mechanism 83 combine compacter, can effectively avoid the displacement by a short margin, and is fixed through fixing bolt 9, can improve stability.

Referring to fig. 7, fig. 7 is a schematic view illustrating a structure of a fixing bolt according to some embodiments of the present utility model.

According to some embodiments of the present utility model, optionally, the fixing bolt 9 includes a movable rod 91, a second spring 92 and a threaded sleeve 93, the second spring 92 is sleeved outside the movable rod, one end of the movable rod 91 is provided with a stop, the other end of the movable rod 91 is screwed with the threaded sleeve 93, and the second spring 92 is located between the stop and the threaded sleeve 93.

The fixing bolt 9 is used for fixing the supporting plate 834 and the X-axis sliding block, when the fixing bolt 9 is fixed, the supporting property of the fixing bolt 9 is stronger than that of a conventional fixing bolt, and when the fixing bolt is detached, the second spring 92 can push out the movable rod 91, so that the repeated screwing process is avoided, and the X-axis adjusting mechanism 82 and the Y-axis adjusting mechanism 83 are convenient to detach.

Referring to fig. 8-9, fig. 8 is a schematic view of reflector cups and bolt sleeves according to some embodiments of the present utility model; fig. 9 is a schematic view of a reflector-free cup structure in accordance with some embodiments of the utility model.

According to some embodiments of the present utility model, optionally, the projector 3 is provided with an imaging end on one side, and the support 1 is provided with a reflective cup 6 on the imaging end side, and the reflective cup 6 and the support 1 are fixed by an elastic bolt 7.

The original incident light angle of the projector 3 is about 120 degrees, in order to realize the utilization of light and achieve the effect of demand, the projector 3 can control the distance, area and facula effect of the light through the reflector, the reflector usually appears in the form of a cup, the reflector industry that appears in the form is commonly called as a reflecting cup 6, the reflecting cup 6 is used for facilitating the projector 3 to realize secondary adjustment of the light, the definition of images is improved, the reflecting cup 6 is fixed through an elastic bolt 7, and the angle between the reflecting cup 6 and the projector 3 can be repeatedly adjusted, so that the most clear projection picture is displayed.

Referring to fig. 10, fig. 10 is a schematic view illustrating a structure of an elastic bolt according to some embodiments of the present utility model.

According to some embodiments of the present utility model, optionally, the elastic bolt 7 includes a stud 71, a nut 72 and a first spring 73, the stud 71 is sleeved with the first spring 73, one end of the first spring 73 is connected with the reflector cup 6, the other end of the first spring 73 is a free end, one end of the stud 71 is connected with the support frame 1, and the other end of the stud 71 is screwed with the nut 72.

The reflecting cup 6 and the projector 3 have a certain included angle, the movable end of the reflecting cup 6 is provided with a first spring 73, the reflecting cup is moved to the other end of the stud 71 by rotating the nut 72, and when the reflecting cup rotates to a certain position, the nut 72 is abutted against the first spring 73, so that the reflecting cup 6 connected with the first spring 73 is driven to move in position, different included angles with the projector 3 are generated, and the projected picture reaches the clearest picture by adjusting different angles.

It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims (10)

1. An automatic focusing and dimming device, which is characterized by comprising

The support frame is provided with an opening above;

the projector is positioned in the support frame, a focusing gear is arranged on the projector, and the focusing gear is positioned at the opening;

the focusing assembly is arranged on one side of the supporting frame;

the dimming component is positioned on the other side of the support frame;

the focusing assembly comprises a motor and a transmission gear, wherein the motor is connected with the support frame, the axle center of the transmission gear is connected with a transmission rod of the motor, and the focusing gear is meshed with the transmission gear.

2. The auto-focusing and dimming device according to claim 1, wherein the projector is provided with an imaging end, the support frame is provided with a reflective cup at the imaging end, and the reflective cup is fixed with the support frame by an elastic bolt.

3. The automatic focusing and dimming device according to claim 2, wherein the elastic bolt comprises a stud, a nut and a spring, the spring is sleeved outside the stud, one end of the spring is connected with the reflecting cup, the other end of the spring is a free end, one end of the stud is connected with the supporting frame, and the other end of the stud is connected with the nut in a screwed manner.

4. An autofocus dimming device as claimed in claim 3, wherein the dimming component comprises a control mechanism, an X-axis adjustment mechanism, a Y-axis adjustment mechanism, and a Z-axis adjustment mechanism, the Z-axis adjustment mechanism is disposed on the back of the control mechanism, the control mechanism moves vertically relative to the Z-axis adjustment mechanism, the Z-axis adjustment mechanism is fixed with the detachable Y-axis adjustment mechanism, the Z-axis adjustment mechanism moves longitudinally relative to the Y-axis adjustment mechanism, the X-axis adjustment mechanism is disposed at two ends of the Y-axis adjustment mechanism, the Y-axis adjustment mechanism moves laterally relative to the X-axis adjustment mechanism, and the control mechanism is electrically connected to the Z-axis adjustment mechanism, the Y-axis adjustment mechanism, and the X-axis adjustment mechanism.

5. The apparatus according to claim 4, wherein the Z-axis adjusting mechanism includes a Z-axis slide rail, a Z-axis moving block, and a Z-axis motor, the Z-axis slide rail is provided with the Z-axis moving block that moves vertically up and down, the Z-axis moving block is driven by the Z-axis motor, and the control mechanism is fixed to the Z-axis moving block.

6. The apparatus according to claim 5, wherein the Y-axis adjusting mechanism includes a Y-axis slide rail, a Y-axis moving block, and a Y-axis motor, the Y-axis slide rail is provided with the Y-axis moving block moving longitudinally, the Z-axis slide rail is fixed to the Y-axis moving block, and the Y-axis moving block is driven by the Y-axis motor.

7. The automatic focusing and dimming apparatus according to claim 6, wherein the X-axis adjusting mechanism comprises an X-axis sliding rail, an X-axis moving block and an X-axis motor, the X-axis sliding rail is provided with the X-axis moving block which moves laterally, two ends of the Y-axis sliding rail are respectively provided with a supporting plate, the supporting plates are connected with the X-axis moving block through fixing bolts, and the X-axis moving block is driven by the X-axis motor.

8. The apparatus according to claim 5, wherein the Z-axis moving block is further provided with a fixing plate, the fixing plate is provided with a rotating motor, a central shaft of the rotating motor is connected with a nut sleeve, and an inner ring of the nut sleeve is matched with the nut.

9. The automatic focusing and dimming device according to claim 7, wherein a clamping groove is formed in the side edge of the supporting plate, the size of the clamping groove is matched with that of the X-axis moving block, fixing holes are formed in the clamping groove and the X-axis moving block, and the fixing bolts penetrate through the fixing holes to fix the supporting plate and the X-axis moving block.

10. The automatic focusing and dimming device according to claim 9, wherein the fixing bolt comprises a movable rod, a spring and a threaded sleeve, the spring is sleeved outside the movable rod, a stop block is arranged at one end of the movable rod, the threaded sleeve is screwed at the other end of the movable rod, and the spring is located between the stop block and the threaded sleeve.