Optical axis adjusting device and equipment

Abstract

The utility model provides an optical axis adjusting device and equipment. The optical axis adjusting device comprises a laser, a fixing cover, an elastic piece and an adjusting piece. The fixing cover comprises side walls, the side walls define a containing cavity, and at least part of the laser is located in the containing cavity. And the side wall is provided with an opening communicated with the accommodating cavity. The elastic piece comprises an elastic piece which can elastically deform under stress, the elastic piece comprises a first abutting part, and the first abutting part is located in the containing cavity to elastically abut against the laser. The adjusting part is assembled in the open hole and comprises a second abutting part, and the second abutting part is located in the containing cavity so as to abut against the laser. The adjusting part can move along the opening towards or away from the laser so as to adjust the optical axis of the laser. The elastic piece comprises an elastic piece which can elastically deform under stress, and the elastic piece is easy to assemble and fix under the condition that effective stroke is achieved, so that the optical axis adjusting device is simple in structure.

Description

Technical Field

[0001] The present application relates to the technical field of optical axis adjustment, and in particular to an optical axis adjustment device and equipment. Background Art

[0002] In today's society, laser equipment has been widely used. Specifically, lasers can be used to indicate targets, detect distances, etc. Laser equipment generally includes an optical path emission module. Due to the existence of manufacturing tolerances and assembly errors, after the optical path emission module is assembled, the laser optical path usually has various deviations from the theory, resulting in the problem of light output direction deviation. In order to ensure the collimation and direction of the emitted laser, the optical axis needs to be adjusted. The optical axis adjustment device of the existing laser equipment has a complex structure, which is not conducive to the assembly of the laser equipment. Utility Model Content

[0003] The present application provides an optical axis adjustment device and equipment with a simple structure.

[0004] The embodiment of the present application provides an optical axis adjustment device, comprising: a laser, a fixed cover, an elastic member and an adjustment member; the fixed cover comprises a side wall, the side wall encloses a receiving cavity, at least a portion of the laser is located in the receiving cavity, and an opening connected to the receiving cavity is provided on the side wall; the elastic member comprises an elastic sheet that can be elastically deformed under force, the elastic sheet comprises a first abutting top portion, the first abutting top portion is located in the receiving cavity to elastically abut against the laser; the adjustment member is assembled in the opening and comprises a second abutting top portion, the second abutting top portion is located in the receiving cavity to abut against the laser, and the adjustment member can move along the opening toward or away from the laser to adjust the optical axis of the laser.

[0005] Further, the first abutting top portion is located below the laser, and the second abutting top portion is located above the side or directly above the laser.

[0006] Further, the adjusting member is provided as a pair, and the second abutting top portions of the pair are respectively located above two opposite sides of the laser.

[0007] Furthermore, a first force application point of the first abutting top portion on the laser and a pair of second force application points of the pair of second abutting top portions on the laser are in the same circumferential direction of the laser.

[0008] Furthermore, the optical axis adjustment device includes a buffer component, which is located between the laser and the side wall and is in contact with the laser and the side wall.

[0009] Furthermore, the buffer component includes an elastic sleeve portion, the sleeve portion is arranged around the periphery of the laser, the sleeve portion is located between the laser and the side wall and is in contact with the laser and the side wall.

[0010] Furthermore, the fixed cover includes a front wall extending from the side wall, the front wall forms a first window, the buffer component includes an extension portion extending from the sleeve portion, the extension portion forms a second window, the second window connects the first window and the accommodating cavity, and the extension portion is located between the laser and the front wall and is in contact with both the laser and the front wall.

[0011] Furthermore, the optical axis adjustment device is used to be installed and fixed to a main body of a device, and the elastic member is provided with a first hole for a fixing screw to pass through so as to fix the elastic member on the main body.

[0012] The embodiment of the present application further provides a device, comprising a main body and the above-mentioned optical axis adjustment device, wherein the fixed cover is fixed to the main body.

[0013] Furthermore, the elastic member includes a first fixing portion fixed to the elastic sheet, the fixing cover includes a second fixing portion extending from the side wall, and along the length direction of the accommodating cavity, the second fixing portion is located on one side of the side wall, and the first fixing portion, the second fixing portion and the main body are fixed.

[0014] Furthermore, the first fixing part is provided with a first hole, the second fixing part is provided with a second hole, the main body is provided with a third hole, and the device includes a fixing screw, the end of which passes through the first hole and the second hole and is assembled in the third hole and screwed and fixed to the main body.

[0015] The elastic member of the optical axis adjustment device in the embodiment of the present application includes an elastic sheet that can be elastically deformed under force. The elastic sheet is easy to assemble and fix when an effective stroke is achieved, so that the optical axis adjustment device has a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a cross-sectional schematic diagram of a device according to an embodiment of the present application;

[0017] Figure 2 yes Figure 1 An enlarged view of the circled portion at A of the cross-sectional schematic diagram shown;

[0018] Figure 3 yes Figure 1 An exploded view of the equipment shown;

[0019] Figure 4 yes Figure 1 A cross-sectional schematic diagram of the optical axis adjustment device shown;

[0020] Figure 5 yes Figure 3 A cross-sectional schematic diagram of the fixed cover, the laser and the buffer after being assembled;

[0021] Figure 6 yes Figure 3 A perspective view of the buffer member shown;

[0022] Figure 7 yes Figure 3 A three-dimensional view of a fixed cover of the optical axis adjustment device shown;

[0023] Figure 8 yes Figure 3 The schematic diagram of the elastic member and the fixing member before being assembled;

[0024] Fig. 9 yes Figure 3 a perspective view of the body of the device shown;

[0025] Fig.10 yes Fig. 9 An enlarged view of the circled portion at B of the subject shown. DETAILED DESCRIPTION

[0026] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0027] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0028] The device of the embodiment of the present application can be applied to scientific research, industrial field, medical field, measurement and communication field, etc. For example, it can be used for observation, measurement, cutting, drilling, welding, etc. The present application does not limit the function and application field of the device, for example, it can be an observation device or a thermal imaging device, etc.

[0029] See also Figure 1 The device 200 of the embodiment of the present application includes a main body 1 and an optical axis adjustment device 100 fixed on the main body 1.

[0030] In some embodiments, the main body 1 forms a storage cavity 11, and the optical axis adjustment device 100 is located outside the storage cavity 11. The storage cavity 11 can be used to accommodate various electronic devices of the device 200. Optionally, the optical axis adjustment device 100 can also be located inside the storage cavity 11.

[0031] See also Figures 2 to 4 The optical axis adjustment device 100 comprises a laser 2, a fixing cover 3, an elastic member 4 and an adjustment member 5. The laser 2 is used for emitting laser light.

[0032] In some embodiments, the fixing cover 3 is fixed on the main body 1 .

[0033] The fixed cover 3 includes a side wall 31 , and the side wall 31 forms a receiving cavity 311 . At least a part of the laser 2 is located in the receiving cavity 311 . An opening 312 communicating with the receiving cavity 311 is provided on the side wall 31 .

[0034] In some embodiments, the receiving cavity 311 has openings at both ends, and the laser 2 is inserted into the receiving cavity 311 from one of the openings, and the other opening is used for the laser light emitted by the laser 2 to pass through.

[0035] Optionally, one end of the laser 2 may also pass through another opening, that is, the end of the laser 2 may be located inside the receiving cavity 311 , outside the receiving cavity 311 , or flush with the end of the side wall 31 .

[0036] The elastic member 4 includes an elastic sheet 41 that can be elastically deformed under force, and the elastic sheet 41 includes a first abutting top portion 411, and the first abutting top portion 411 is located in the receiving cavity 311 to elastically abut against the laser 2. The elastic sheet 41 is easy to assemble and fix when an effective stroke is achieved, which simplifies the structure of the fixed cover 3, and makes the optical axis adjustment device 100 simple in structure.

[0037] The adjusting member 5 is assembled in the opening 312 and includes a second abutting portion 51, which is located in the receiving cavity 311 to abut against the laser 2. The adjusting member 5 can move along the opening 312 toward or away from the laser 2 to adjust the optical axis of the laser 2.

[0038] In some embodiments, the adjusting member 5 can be an adjusting screw and is screwed and fixed to the side wall 31. The adjusting member 5 is not only firmly positioned but also convenient to adjust. When the adjusting screw is turned, the position of the second abutting top 51 in the receiving cavity 311 can be adjusted to adjust the optical axis of the laser 2.

[0039] In some embodiments, the adjustable member 5 may also be tightly matched with the side wall 31 .

[0040] In some embodiments, the first abutting portion 411 is located below the laser 2, and the second abutting portion 51 is located above or to the side of the laser 2. When the adjusting member 5 is adjusted, as the position of the second abutting portion 51 in the receiving cavity 311 changes, the laser 2 presses against the elastic sheet 41 to change the deformation amount of the elastic sheet 41.

[0041] In some embodiments, the adjustment member 5 is provided as a pair, and a pair of the second abutment top portions 51 are respectively located above two opposite sides of the laser 2, and the optical axis of the laser 2 can be adjusted from multiple directions to improve the accuracy of the light emitting direction of the laser 2.

[0042] In some embodiments, the first force application point of the first abutment top 411 on the laser 2 and the pair of second force application points of the second abutment top 51 on the laser 2 are in the same circumferential direction of the laser 2, the laser 2 is subjected to balanced force, and the optical axis of the laser 2 is easier to adjust.

[0043] In some embodiments, the optical axis adjustment device 100 includes a buffer 6, which is located between the laser 2 and the side wall 31 and is in contact with the laser 2 and the side wall 31 to limit the adjustment range of the laser 2, thereby achieving the function of adjusting the optical axis of the laser 2 within a certain range.

[0044] See also Figures 5 to 7 In some embodiments, the buffer member 6 includes an elastic sleeve portion 61, which is arranged around the periphery of the laser 2, and the sleeve portion 61 is located between the laser 2 and the side wall 31 and is in contact with the laser 2 and the side wall 31.

[0045] In some embodiments, a plurality of buffer members 6 may be provided, and the plurality of buffer members 6 are provided along the circumferential direction of the laser 2 .

[0046] In some embodiments, the fixed cover 3 includes a front wall 32 extending from the side wall 31, and the front wall 32 encloses a first window 321; the buffer member 6 includes an extension portion 62 extending from the sleeve portion 61, and the extension portion 62 encloses a second window 621, and the second window 621 connects the first window 321 and the receiving cavity 311, and the extension portion 62 is located between the laser 2 and the front wall 32 and is in contact with both the laser 2 and the front wall 32. The provision of the extension portion 62 can prevent the displacement of the laser 2 along the length direction of the receiving cavity 311, increase the stability of the laser 2, and protect the laser 2; at the same time, it can prevent the laser 2 from directly contacting the fixed cover 3, and protect the laser 2.

[0047] In some embodiments, the first window 321 and the second window 621 allow the laser light emitted by the laser 2 to pass through.

[0048] In some embodiments, the front wall 32 and the extending portion 62 may not be provided.

[0049] In some embodiments, the buffer 6 and the laser 2 are interference fit.

[0050] In some embodiments, the elastic member 4 is provided with a first hole 421 through which a fixing screw 7 can pass to fix the elastic member 4 on the main body 1 , which can simplify the installation process and facilitate miniaturization of the device 200 .

[0051] See also Figures 7 to 10 In some embodiments, the elastic member 4 includes a first fixing portion 42 fixed to the elastic sheet 41, and the fixed cover 3 includes a second fixing portion 33 extending from the side wall 31. Along the length direction of the accommodating cavity 311, the second fixing portion 33 is located on one side of the side wall 31, and the first fixing portion 42 is crimped onto the second fixing portion 33.

[0052] In some embodiments, the first fixing portion 42, the second fixing portion 33, and the main body 1 are fixed.

[0053] Optionally, the second fixing portion 33 is fixed to the main body 1 , and the first fixing portion 42 is fixed to the second fixing portion 33 .

[0054] Optionally, the first fixing portion 42 and the second fixing portion 33 are respectively fixed to the main body 1 .

[0055] Optionally, the second fixing portion 33 may not be provided, and the fixing cover 3 and the main body 1 may be fixed by welding, snapping or gluing.

[0056] Optionally, the first fixing portion 42 may also be fixed to the side wall 31 .

[0057] In some embodiments, the first hole 421 is provided on the first fixing portion 42, the second fixing portion 33 is provided with a second hole 331, the main body 1 is provided with a third hole 12, the device 200 includes a fixing screw 7, the end of the fixing screw 7 passes through the first hole 421 and the second hole 331 and is assembled in the third hole 12 and is screwed and fixed to the main body 1, and the fixing cover 3 and the elastic member 4 can be fixed to the main body 1 at the same time by the fixing screw 7, which not only has a simple structure, but also saves assembly steps, and is convenient for assembly and disassembly of the fixing cover 3 and the elastic member 4; at the same time, no nuts are required, which not only saves costs, but also saves the space occupied by the nuts and the steps of assembling the nuts, and reduces the difficulty of assembling the nuts.

[0058] In some embodiments, the fixed cover 3 includes a column 34 extending from the second fixing portion 33, and the first fixing portion 42 is provided with an assembly hole 422. The column 34 is assembled in the assembly hole 422 to facilitate alignment of the first hole 421 with the second hole 331, which not only improves the assembly efficiency, but also improves the accuracy of the assembly position of the elastic member 4.

[0059] Optionally, the column 34 is a special-shaped column, and the assembly hole 422 is a special-shaped hole, which can prevent the elastic member 4 from swinging after being fixed, so as to prevent the optical axis of the laser 2 from being deflected.

[0060] In some embodiments, the side wall 31 is provided with a limiting portion 313, and the main body 1 includes a limiting column 13, and the limiting column 13 is accommodated in the limiting portion 313, so as to facilitate the alignment of the second hole 331 and the third hole 12, which not only improves the assembly efficiency, but also improves the accuracy of the assembly position of the fixed cover 3.

[0061] Optionally, the limiting portion 313 may be a hole or a groove.

[0062] In some embodiments, the elastic member 4 is formed of high-elastic steel and is easy to assemble and fix while achieving an effective stroke, thereby simplifying the structure of the fixed cover 3, so that the optical axis adjustment device 100 has a simple structure and high assembly efficiency; at the same time, the elastic member 4 can be reused and can also be quickly transplanted and assembled to other equipment that needs to adjust the laser optical axis.

[0063] The main body 1 is also provided with a through hole 14 communicating with the storage cavity 11 , for allowing a connecting wire 21 connected to the laser 2 to pass through so as to be electrically connected to the electronic device in the storage cavity 11 .

[0064] When assembling the device 200 of the embodiment of the present application, the head of the laser 2 is installed into the buffer 6, the buffer 6 is assembled into the receiving cavity 311 of the fixed cover 3, the two adjusting members 5 are respectively assembled into the openings 312 on the fixed cover 3, the elastic sheet 41 of the elastic member 4 is assembled into the receiving cavity 311 of the fixed cover 3, the fixed cover 3 is placed on the main body 1, and the fixed cover 3, the elastic member 4 and the main body 1 are fixed by the fixing screws 7.

[0065] The laser 2 is fixed at a random position by the two adjusting members 5 and the elastic member 4. By adjusting the tightness of the adjusting member 5, the elastic sheet 41 below the laser 2 is deformed, and the position of the optical axis of the laser 2 is changed accordingly, thereby realizing the adjustment of the optical axis of the laser 2. Because the head of the laser 2 is constrained by the buffer member 6, the laser 2 can only move within a certain range, thereby realizing the function of the optical axis of the laser 2 being adjustable within a certain range.

[0066] It should also be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

Claims

1. An optical axis adjustment device, characterized in that: include: Lasers; A fixed cover, comprising a side wall, wherein the side wall encloses a receiving cavity, at least a portion of the laser is located in the receiving cavity, and an opening communicating with the receiving cavity is provided on the side wall; An elastic member, comprising an elastic sheet that can be elastically deformed under force, the elastic sheet comprising a first abutting top portion, the first abutting top portion being located in the receiving cavity to elastically abut against the laser; and The adjusting member is assembled in the opening and includes a second abutting top portion, wherein the second abutting top portion is located in the receiving cavity to abut against the laser. The adjusting member can move along the opening toward or away from the laser to adjust the optical axis of the laser.

2. The optical axis adjustment device according to claim 1, characterized in that: The first abutting top portion is located below the laser, and the second abutting top portion is located above the side of or directly above the laser.

3. The optical axis adjustment device according to claim 2, characterized in that: The adjusting member is provided as a pair, and the second abutting top portions of the pair are respectively located above two opposite sides of the laser.

4. The optical axis adjustment device according to claim 3, characterized in that: A first force application point of the first abutting top portion on the laser and a pair of second force application points of a pair of the second abutting top portions on the laser are in the same circumferential direction of the laser.

5. The optical axis adjustment device according to claim 1, characterized in that: The optical axis adjustment device includes a buffer component, which is located between the laser and the side wall and is in contact with the laser and the side wall.

6. The optical axis adjustment device according to claim 5, characterized in that: The buffer member comprises an elastic sleeve portion, the sleeve portion is arranged around the periphery of the laser, the sleeve portion is located between the laser and the side wall and is in contact with the laser and the side wall.

7. The optical axis adjustment device according to claim 6, characterized in that: The fixed cover includes a front wall extending from the side wall, the front wall encloses a first window, the buffer component includes an extension portion extending from the sleeve portion, the extension portion encloses a second window, the second window connects the first window and the receiving cavity, the extension portion is located between the laser and the front wall and is in contact with both the laser and the front wall.

8. The optical axis adjustment device according to any one of claims 1 to 7, characterized in that: The optical axis adjustment device is used to be installed and fixed to a main body of a device. The elastic member is provided with a first hole for a fixing screw to pass through so as to fix the elastic member on the main body.

9. A device, characterized in that: It comprises a main body and the optical axis adjustment device as claimed in any one of claims 1 to 8, wherein the fixing cover is fixed to the main body.

10. The device according to claim 9, characterized in that The elastic member includes a first fixing portion fixed to the elastic sheet, and the fixing cover includes a second fixing portion extending from the side wall. Along the length direction of the accommodating cavity, the second fixing portion is located on one side of the side wall, and the first fixing portion, the second fixing portion and the main body are fixed.

11. The device according to claim 10, characterized in that The first fixing part is provided with a first hole, the second fixing part is provided with a second hole, the main body is provided with a third hole, and the device includes a fixing screw, the end of the fixing screw passes through the first hole and the second hole and is assembled in the third hole and screwed and fixed to the main body.

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