Focusing structure

Abstract

The utility model discloses a focusing structure, which comprises a frame, a focusing lens, an adjusting plate and two focusing assemblies, the focusing lens, the adjusting plate and the focusing assemblies are all located in the frame, the adjusting plate is provided with a mounting hole, the focusing lens is embedded in the mounting hole, the number of the focusing assemblies is two, and the focusing assemblies are symmetrically arranged. The focusing assembly is connected with the adjusting plate and can drive the adjusting plate to move up and down, light through holes are formed in the two ends of the frame, and the light through holes and the focusing lens are oppositely arranged; according to the utility model, the focusing lens is not interfered by other parts during adjustment, so that the phenomenon of blocking during adjustment is avoided, the smooth adjustment of the focusing lens is ensured, the structure is simple, and the stability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of lamp focusing, and in particular relates to a focusing structure. Background Art

[0002] Most existing focusing structures use multiple support rods to achieve the connection between the focusing lens and the focusing base plate. Due to the increase in connecting parts, assembly is difficult, and jamming is prone to occur during the adjustment process. It is difficult to ensure consistent adjustment of multiple support rods, affecting the normal use of the lamp. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a focusing structure, which can effectively solve the problem of single function in the prior art for studying the characteristics of aurora plasma.

[0004] In order to solve the above technical problems, the technical solutions adopted by the utility model are as follows:

[0005] A focusing structure comprises a frame, a focusing mirror, an adjustment plate and a focusing assembly, wherein the focusing mirror, the adjustment plate and the focusing assembly are all located within the frame, the adjustment plate is provided with a mounting hole, the focusing mirror is embedded in the mounting hole, two focusing assemblies are provided and are symmetrically arranged, the focusing assembly is connected to the adjustment plate and can drive the adjustment plate to move up and down, light holes are provided at both ends of the frame, and the light holes are arranged opposite to the focusing mirror.

[0006] As a preferred solution of the utility model, the focusing assembly includes a motor and a screw nut pair, the motor is fixed on the frame, the power output end of the motor is provided with a screw of the screw nut pair, and the nut of the screw nut pair is fixedly connected to the adjustment plate.

[0007] As a preferred solution of the utility model, the focusing assembly further includes a guide rod, the guide rod is fixed on the frame, and the guide rod is slidably connected to the adjustment plate.

[0008] As a preferred solution of the utility model, a guide sleeve is provided on the adjustment plate, and the guide sleeve is passed through the guide rod and can slide up and down along the guide rod.

[0009] As a preferred solution of the utility model, the guide sleeve is provided with a boss, the boss is sleeved with a pressure plate, and the pressure plate is fixedly connected to the adjustment plate through a support.

[0010] As a preferred solution of the utility model, the frame includes a focusing base plate and a focusing support plate, and the focusing base plate is fixedly connected to the focusing support plate.

[0011] Compared with the prior art, the focusing structure provided by the present invention has the following beneficial effects:

[0012] During adjustment, since the focusing mirror is only connected to the focusing assembly, the focusing assembly drives the focusing mirror to move up and down without being restricted or interfered with by other parts, thereby avoiding jamming during adjustment and ensuring smooth adjustment of the focusing mirror; in addition, compared with the traditional form of connection through support rods, the present device only relies on the frame for support, with a simple structure and higher stability; by adopting the utility model, the focusing mirror is not interfered with by other parts during adjustment, avoiding jamming during adjustment and ensuring smooth adjustment of the focusing mirror, with a simple structure and high stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0014] Figure 1 It is a structural schematic diagram of a focusing structure provided by an embodiment of the utility model;

[0015] Figure 2 It is a structural schematic diagram of another viewing direction of a focusing structure provided by an embodiment of the utility model.

[0016] Markings in the figure:

[0017] Frame 100; focusing base plate 101; focusing support plate 102; focusing mirror 200; adjusting plate 300; focusing assembly 400; motor 401; screw nut pair 402; guide rod 403; guide sleeve 404; pressing plate 405; support column 406; light hole 500. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 present utility model. It should be understood that the terms "first", "second", etc. are used in the present utility model to describe various information, but such information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present utility model, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information.

[0020] like Figure 1 to Figure 2 As shown, a preferred embodiment of the utility model provides a focusing structure, which includes a frame 100, a focusing mirror 200, an adjustment plate 300 and a focusing assembly 400, wherein the focusing mirror 200, the adjustment plate 300 and the focusing assembly 400 are all located in the frame 100, the adjustment plate 300 is provided with a mounting hole, the focusing mirror 200 is embedded in the mounting hole, the focusing assembly 400 is provided with two and symmetrically arranged, the focusing assembly 400 is connected to the adjustment plate 300 and can drive the adjustment plate 300 to move up and down, and light holes 500 are provided at both ends of the frame 100, and the light holes 500 are arranged opposite to the focusing mirror 200.

[0021] During adjustment, since the focusing mirror 200 is only connected to the focusing assembly 400, during adjustment, the focusing assembly 400 drives the focusing mirror 200 to move up and down without being restricted or interfered with by other parts, thereby avoiding jamming during adjustment and ensuring smooth adjustment of the focusing mirror 200; in addition, compared with the traditional form of connection through support rods, the present device only relies on the frame 100 for support, with a simple structure and higher stability; by adopting the utility model, the focusing mirror 200 is not interfered with by other parts during adjustment, avoiding jamming during adjustment and ensuring smooth adjustment of the focusing mirror 200, with a simple structure and high stability.

[0022] Exemplarily, the focusing assembly 400 includes a motor 401 and a screw nut pair 402, the motor 401 is fixed on the frame 100, the screw of the screw nut pair 402 is provided on the power output end of the motor 401, the nut of the screw nut pair 402 is fixedly connected to the adjustment plate 300, and the focusing assembly 400 also includes a guide rod 403, the guide rod 403 is fixed on the frame 100, and the guide rod 403 is slidably connected to the adjustment plate 300. Through the setting of the guide rod 403, the focusing assembly 400 can be guided, thereby avoiding deviation during the up and down movement of the focusing lens 200, thereby ensuring the smooth adjustment of the focusing lens 200. In this embodiment, one focusing assembly 400 is provided with two guide rods 403, and the two guide rods 403 are respectively located on both sides of the screw of the screw nut pair 402 and are arranged in parallel.

[0023] Exemplarily, the adjustment plate 300 is provided with a guide sleeve 404, the guide sleeve 404 is inserted into the guide rod 403 and can slide up and down along the guide rod 403, the guide sleeve 404 is provided with a boss, the boss is sleeved with a pressing plate 405, and the pressing plate 405 is fixedly connected to the adjustment plate 300 through a pillar 406. Through the cooperation of the pressing plate 405 and the pillar 406, the guide sleeve 404 is tightly pressed on the adjustment plate 300, avoiding jamming due to excessive friction during the sliding process between the guide sleeve 404 and the guide rod 403, and also avoiding the guide sleeve 404 from being separated from the adjustment plate 300, which is convenient for use.

[0024] Exemplarily, for easy installation, the frame 100 includes a focusing base plate 101 and a focusing support plate 102 , and the focusing base plate 101 is fixedly connected to the focusing support plate 102 .

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A focusing structure, characterized in that: The invention comprises a frame, a focusing mirror, an adjusting plate and a focusing assembly, wherein the focusing mirror, the adjusting plate and the focusing assembly are all located in the frame, the adjusting plate is provided with a mounting hole, the focusing mirror is embedded in the mounting hole, two focusing assemblies are provided and are symmetrically arranged, the focusing assembly is connected to the adjusting plate and can drive the adjusting plate to move up and down, and light holes are provided at both ends of the frame, and the light holes are arranged opposite to the focusing mirror.

2. A focusing structure according to claim 1, characterized in that: The focusing components all include a motor and a screw nut pair. The motor is fixed on the frame. A screw of the screw nut pair is provided on the power output end of the motor. The nut of the screw nut pair is fixedly connected to the adjustment plate.

3. A focusing structure according to claim 2, characterized in that: The focusing assembly also includes a guide rod, which is fixed on the frame and is slidably connected to the adjustment plate.

4. A focusing structure according to claim 3, characterized in that: The adjusting plate is provided with a guide sleeve, which is passed through the guide rod and can slide up and down along the guide rod.

5. A focusing structure according to claim 4, characterized in that: The guide sleeve is provided with a boss, the boss is sleeved with a pressing plate, and the pressing plate is fixedly connected to the adjusting plate through a support.

6. The focusing structure according to claim 1, characterized in that: The frame comprises a focusing base plate and a focusing support plate, and the focusing base plate is fixedly connected to the focusing support plate.

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