Impact-resistant adjusting mechanism of laser designator

Abstract

The invention discloses a laser designator anti-impact adjusting mechanism which comprises a shell, a pair of laser adjusting rods arranged in parallel are arranged in the shell, a first laser head and a second laser head which correspond to each other are fixed to the outer sides of the laser adjusting rods respectively, and the axis of the first laser head and the axis of the second laser head are parallel to the length direction of the laser adjusting rods respectively. One end of the laser adjusting rod is fixed to one end of the shell through a laser spring seat, the other end of the laser adjusting rod is provided with an adjusting unit, the adjusting unit is fixed to the other end of the shell, and the adjusting unit can adjust the direction of the laser adjusting rod. The adjusting rod is arranged on the side portion of the laser head, adjustment in the axis direction of the laser adjusting rod is achieved through ingenious cooperation of the adjusting nut, the limiting frame, the fine adjustment pressing block and the wave spring, accordingly collimation adjustment of the laser head is achieved, the structure is simple, operation is convenient, and meanwhile the weight of the laser head is not greatly increased.

Description

Technical Field

[0001] The invention belongs to the technical field of adjustment and calibration of laser pointers, and relates to an anti-shock adjustment mechanism of a laser pointer. Background Art

[0002] In the prior art, some scenarios in the fields of distance measurement, aiming and shooting require the use of two laser pointers. Double-headed laser pointers may have errors in the production and assembly process, resulting in the light emitted by the two laser pointers not being parallel. This will cause errors in use, making the measurement or aiming inaccurate. Therefore, a laser pointer with an adjustment function is particularly important. Summary of the invention

[0003] In view of this, an object of the present invention is to provide a shock-resistant adjustment mechanism capable of conveniently adjusting a laser pointer.

[0004] In order to achieve the above object, the present invention provides the following technical solutions: The anti-impact adjustment mechanism of the laser pointer includes a shell, a pair of parallel laser adjustment rods are arranged inside the shell, corresponding laser head 1 and laser head 2 are fixed to the outside of the laser adjustment rods, the axes of laser head 1 and laser head 2 are parallel to the length direction of the laser adjustment rods, one end of the laser adjustment rod is fixed to one end of the shell, and the other end of the laser adjustment rod is provided with an adjustment unit, which is fixed to the other end of the shell, and the adjustment unit can adjust the direction of the laser adjustment rod.

[0005] Furthermore, the adjustment unit includes a fine-tuning pressure head fixed to one end of the laser adjustment rod, the fine-tuning pressure head is a pressure block with a right-angled triangle cross-section, a limit frame is arranged on the side of the fine-tuning pressure head close to the laser head, the limit frame is fixed on the shell, the part of the fine-tuning pressure head close to the laser head is located in the limit frame, the inclined end surface of the fine-tuning pressure head is arranged inward and downward, two adjacent right-angled end surfaces one and two of the fine-tuning pressure head are respectively matched with adjacent right-angled end surfaces of the limit frame, one end of a wave spring is abutted on the inclined end surface outside the limit frame, the other end of the wave spring is abutted on the wave spring seat, the wave spring is always in a compressed state, the right-angled end surface one and the right-angled end surface two of the fine-tuning pressure head are respectively abutted with adjusting screws, the adjusting screws adjust the position of the fine-tuning pressure head to achieve adjustment of the laser adjustment rod.

[0006] Furthermore, the adjusting screw comprises a push rod which is telescopically extended toward the fine-tuning pressure head, and an end of the push rod abuts against a right-angle end face of the corresponding fine-tuning pressure head.

[0007] Furthermore, the adjusting screw includes a steel sleeve of an outer ring, the steel sleeve is fixedly connected to the shell, a pressure cap is fixedly connected to the inner side of the steel sleeve, an adjusting nut is arranged inside the pressure cap, the adjusting nut can rotate inside the pressure cap, a countersunk hole with an internal thread is opened on the bottom end face of the adjusting nut, the upper end of the push rod extends into the countersunk hole, the upper end of the push rod is provided with an external thread for matching with the internal thread of the countersunk hole, and the lower end of the push rod extends to the outside of the steel sleeve.

[0008] Furthermore, a step hole is provided on the upper part of the pressure cap, a step matching the step hole is provided on the upper end of the adjusting nut, a fine-tuning wave spring is provided between the lower end of the pressure cap and the inner hole of the steel sleeve, the fine-tuning wave spring abuts against the lower end surface of the step of the adjusting nut, and the upper end surface of the adjusting nut is exposed on the outside of the shell.

[0009] Furthermore, the laser adjustment rod is fixed to the housing via a spring seat, and an elastic unit is provided at one end of the laser adjustment rod between the spring seat and the fine-tuning pressure head, which is close to the spring seat and can facilitate the adjustment of the laser adjustment rod.

[0010] Furthermore, the elastic unit includes a transverse elastic sheet for adjusting in the upward and downward directions and a vertical elastic sheet for adjusting in the left and right directions. One end of the transverse elastic sheet is integrally arranged with the laser adjustment rod, and the other end of the transverse elastic sheet is integrally connected with the adapter. The adapter is a part that appears to be an M-shaped structure in both the horizontal and vertical directions. The other end of the transverse elastic sheet is integrally connected with the middle part of the M-shaped structure of the adapter in the vertical direction, one end of the vertical elastic sheet is integrally connected with another part of the laser adjustment rod, and the other end of the vertical elastic sheet is integrally connected with the middle part of the M-shaped structure in the horizontal direction.

[0011] The beneficial effects of the present invention are: The invention arranges an adjustment rod on the side of the laser head, and adjusts the axis direction of the laser adjustment rod by cleverly cooperating with the adjustment nut, the limit frame, the fine adjustment pressure block and the wave spring, thereby realizing the alignment adjustment of the laser head. The invention has a simple structure, convenient operation and does not increase the weight of the laser head much. The invention can make the laser pointer be buffered by the elastic unit design of the laser adjustment rod and the wave spring design when the laser pointer is subjected to shocks such as vibration and collision, so as to protect the laser pointer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of a three-dimensional structure with part of the shell removed according to an embodiment of the present invention; Figure 2A top view of a part of the housing according to an embodiment of the present invention is removed; Figure 3 This is a front view of an embodiment of the present invention with part of the housing removed; Figure 4 It is a schematic diagram of a three-dimensional structure without a shell according to an embodiment of the present invention; Figure 5 is a cross-sectional view of an adjusting screw according to an embodiment of the present invention; Figure 6 The figure is a schematic diagram of the structure of the laser adjustment rod according to an embodiment of the present invention.

[0013] Description of reference numerals: 1. Shell; 11. Spring seat; 2. Laser adjustment rod; 21. Adapter; 22. Horizontal elastic sheet; 23. Vertical elastic sheet; 3. Laser head 1; 4. Laser head 2; 5. Adjustment unit; 51. Fine-tuning pressure head; 52. Limiting frame; 53. Wave spring; 54. Wave spring seat; 55. Adjustment screw; 551. Steel sleeve; 552. Pressure cap; 553. Adjustment nut; 554. O-ring; 555. Fine-tuning wave spring; 556. Push rod. DETAILED DESCRIPTION

[0014] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0015] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" 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 invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 indirectly connected 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 by specific circumstances.

[0017] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0018] As shown in the figure, a laser pointer anti-shock adjustment mechanism includes a housing 1, a pair of parallel laser adjustment rods 2 are arranged inside the housing 1, and the outer sides of the laser adjustment rods 2 are fixed with corresponding laser heads 1 3 and 2 4 through fixing parts, and the axes of the laser heads 1 3 and 2 4 are respectively parallel to the length direction of the laser adjustment rods 2, and the laser heads 1 3 and 2 4 are set as needed, and the two can be the same laser heads or different laser heads. One end of the laser adjustment rod 2 is fixed to one end of the housing 1 through a spring seat 11, and the other end of the laser adjustment rod 2 is provided with an adjustment unit 5, and the adjustment unit 5 is fixed to the other end of the housing 1.

[0019] The adjustment unit 5 includes a fine-tuning pressure head 51 fixed to one end of the laser adjustment rod 2. The fine-tuning pressure head 51 is a pressure block with a cross-section of an isosceles right-angled triangle. A limit frame 52 is set on the side of the fine-tuning pressure head 51 close to the laser head. The limit frame 52 is fixed on the shell 1. The inner frame of the limit frame 52 is a square frame. The part of the fine-tuning pressure head 51 close to the laser head is located in the limit frame 52. The inclined end surface of the fine-tuning pressure head 51 is set inward and downward, and the two adjacent right-angled end faces 1 and 2 of the fine-tuning pressure head 51 are respectively matched with the adjacent right-angled end faces of the limit frame 52.

[0020] One end of the wave spring 53 abuts against the inclined end surface outside the limit frame 52, and the other end of the wave spring 53 abuts against the wave spring seat 54. Both sides of the wave spring seat 54 are inclined surfaces that match the wave spring 53. The wave spring 53 is always in a compressed state.

[0021] The design of the wave spring 53 can also buffer the laser pointer when the laser pointer is subjected to shocks such as vibration and collision, thereby protecting the laser pointer.

[0022] The right-angle end face 1 and the right-angle end face 2 of the fine-tuning pressure head 51 are respectively abutted with an adjusting screw 55, and the adjusting screw 55 includes a push rod 556 that can be telescopically extended toward the fine-tuning pressure head 51, and the end of the push rod 556 abuts on the right-angle end face of the corresponding fine-tuning pressure head 51. The limit frame 52, the adjusting screw 55, the fine-tuning pressure head 51 and the wave spring 53 cooperate with each other, and the adjusting screw 55 and the wave spring 53 support the fine-tuning pressure head 51. The position of the fine-tuning pressure head 51 in the limit frame 52 is adjusted by the adjusting screw 55, thereby realizing the adjustment of the laser adjustment rod 2.

[0023] The adjusting screw 55 comprises an outer ring of a steel sleeve 551, which is fixedly connected to the housing 1 by threads, a pressure cap 552 is threadedly connected to the inner side of the steel sleeve 551, an adjusting nut 553 is arranged inside the pressure cap 552, a step hole is arranged on the upper part of the pressure cap 552, a step matching the step hole is arranged on the upper end of the adjusting nut 553, a fine-tuning wave spring 555 is arranged between the lower end of the pressure cap 552 and the inner hole of the steel sleeve 551, the fine-tuning wave spring 555 abuts against the lower end surface of the step of the adjusting nut 553, so that the adjusting hole of the pressure cap 552 and the fine-tuning wave spring 555 play a role in limiting the adjusting nut 553, an O-ring 554 is also arranged between the adjusting nut 553 and the pressure cap 552, the adjusting nut 553 can rotate in the pressure cap 552, and the upper end surface of the adjusting nut 553 is exposed on the outer side of the housing 1, so that the adjusting nut 553 can be adjusted by tools.

[0024] A countersunk hole with internal threads is formed on the bottom end surface of the adjusting nut 553, the upper end of the push rod 556 extends into the countersunk hole, the upper end of the push rod 556 is provided with external threads for matching with the internal threads of the countersunk hole, and the lower end of the push rod 556 extends outside the steel sleeve 551. By rotating the adjusting nut 553, the rotation of the adjusting nut 553 can be converted into the linear motion of the push rod 556, thereby realizing the telescopic motion of the push rod 556, so as to adjust the position of the fine-tuning pressure head 51.

[0025] The laser adjustment rod 2 between the spring seat 11 and the fine-tuning pressure head 51 is provided with an elastic unit at one end close to the spring seat 11, and the elastic unit includes a transverse elastic sheet 22 that can be adjusted in the up and down directions and a vertical elastic sheet 23 that can be adjusted in the left and right directions. One end of the transverse elastic sheet 22 is integrally provided with the laser adjustment rod 2, and the other end of the transverse elastic sheet 22 is integrally connected with the adapter 21. The adapter 21 is a part that appears to be an M-shaped structure in both the horizontal and vertical directions. The other end of the transverse elastic sheet 22 is integrally connected with the middle part of the M-shaped structure in the vertical direction of the adapter 21. One end of the vertical elastic sheet 23 is integrally connected with another part of the laser adjustment rod 2, and the other end of the vertical elastic sheet 23 is integrally connected with the middle part of the M-shaped structure in the horizontal direction. Such an ingenious design realizes the elastic adjustment of the laser adjustment rod 2 in the horizontal and vertical directions.

[0026] The elastic unit can also buffer the laser pointer when it is subjected to shocks such as vibration and collision, thereby protecting the laser pointer.

[0027] The working principle of the invention: According to the different assembly methods of laser head 1 3 and laser head 2 4, the alignment of laser head 1 3 and laser head 2 4 can be adjusted by adjusting four adjusting nuts 553, or the device can be coordinated with corresponding detection instruments to adjust the alignment of laser head 1 3 and laser head 2 4 by adjusting four adjusting nuts 553.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The laser pointer anti-shock adjustment mechanism is characterized by: The invention comprises a shell (1), wherein a pair of parallel laser adjustment rods (2) are arranged inside the shell (1), and corresponding laser heads (1) (3) and (2) (4) are fixed on the outer sides of the laser adjustment rods (2), and the axes of the laser heads (1) (3) and (2) (4) are respectively parallel to the length direction of the laser adjustment rods (2), and one end of the laser adjustment rod (2) is fixed to one end of the shell (1), and an adjustment unit (5) is arranged at the other end of the laser adjustment rod (2), and the adjustment unit (5) is fixed to the other end of the shell (1), and the adjustment unit (5) can adjust the direction of the laser adjustment rod (2); the adjustment unit (5) comprises a fine-tuning pressure head (51) fixed to one end of the laser adjustment rod (2), and the fine-tuning pressure head (51) is arranged on a side close to the laser head A limit frame (52) is provided for limiting the position of the fine-tuning pressure head (51). The limit frame (52) is fixed on the housing (1). The part of the fine-tuning pressure head (51) close to the laser head is located in the limit frame (52). The inclined end surface of the fine-tuning pressure head (51) is arranged inward and downward. A wave spring (53) is abutted on the inclined end surface of the fine-tuning pressure head (51) outside the limit frame (52). The other end of the wave spring (53) abuts on the wave spring seat (54). The wave spring (53) is always in a compressed state. Two adjacent end surfaces on the outside of the fine-tuning pressure head (51) are respectively abutted with adjustment screws (55). The adjustment screws (55) are fixed on the housing (1). The adjustment screws (55) adjust the position of the fine-tuning pressure head (51) to achieve adjustment of the laser adjustment rod (2).

2. The anti-shock adjustment mechanism of the laser pointer according to claim 1, characterized in that: The fine-adjusting pressure head (51) is a pressure block with a right-angled triangle cross section. Two adjacent right-angled end faces 1 and 2 of the fine-adjusting pressure head (51) are matched with adjacent right-angled end faces of the limit frame (52) respectively. The adjusting screw (55) is respectively in contact with the right-angled end face 1 and the right-angled end face 2 of the fine-adjusting pressure head (51).

3. The anti-shock adjustment mechanism of the laser pointer according to claim 1, characterized in that: The adjusting screw (55) comprises a push rod (556) which is telescopically extended toward the fine-tuning pressure head (51), and an end of the push rod (556) abuts against a right-angle end face of the corresponding fine-tuning pressure head (51).

4. The anti-shock adjustment mechanism for a laser pointer according to claim 3, characterized in that: The adjusting screw (55) comprises an outer steel sleeve (551), the steel sleeve (551) is fixedly connected to the housing (1), a pressure cap (552) is fixedly connected to the inner side of the steel sleeve (551), an adjusting nut (553) is arranged inside the pressure cap (552), the adjusting nut (553) can rotate inside the pressure cap (552), a countersunk hole with an internal thread is opened on the bottom end surface of the adjusting nut (553), the upper end of the push rod (556) extends into the inside of the countersunk hole, the upper end of the push rod (556) is provided with an external thread for matching with the internal thread of the countersunk hole, and the lower end of the push rod (556) extends to the outside of the steel sleeve (551).

5. The anti-shock adjustment mechanism for a laser pointer according to claim 4, characterized in that: A stepped hole is provided at the upper portion of the pressure cap (552), a step matching the stepped hole is provided at the upper end of the adjusting nut (553), a fine-tuning wave spring (555) is provided between the lower end of the pressure cap (552) and the inner hole of the steel sleeve (551), the fine-tuning wave spring (555) abuts against the lower end surface of the step of the adjusting nut (553), and the upper end surface of the adjusting nut (553) is exposed outside the housing (1).

6. The anti-shock adjustment mechanism for a laser pointer according to claim 1, characterized in that: The laser adjustment rod (2) is fixed to the housing via a spring seat (11); an elastic unit that facilitates adjustment of the laser adjustment rod (2) is provided at one end of the laser adjustment rod (2) between the spring seat (11) and the fine-tuning pressure head (51) and close to the spring seat (11).

7. The anti-shock adjustment mechanism for a laser pointer according to claim 6, characterized in that: The elastic unit comprises a transverse elastic sheet (22) for adjusting in the upward and downward directions and a vertical elastic sheet (23) for adjusting in the left and right directions. One end of the transverse elastic sheet (22) is integrally arranged with the laser adjustment rod (2), and the other end of the transverse elastic sheet (22) is integrally connected with the adapter (21). The adapter (21) is a part that appears to be an M-shaped structure in both the horizontal and vertical directions. The other end of the transverse elastic sheet (22) is integrally connected with the middle part of the M-shaped structure of the adapter (21) in the vertical direction. One end of the vertical elastic sheet (23) is integrally connected with another part of the laser adjustment rod (2), and the other end of the vertical elastic sheet (23) is integrally connected with the middle part of the M-shaped structure in the horizontal direction.

Images