Adjustable prism mounting rack

Abstract

The utility model discloses an adjustable prism mounting rack which comprises a base, a mounting table, an adjusting mechanism and a supporting assembly. A first clamping hole is formed in the base, and a second clamping hole is formed in the mounting table; the adjusting mechanism comprises a spherical supporting body, a first pushing piece, a second pushing piece and a tension spring, the spherical supporting body is clamped between the first clamping hole and the second clamping hole, and the first pushing piece and the second pushing piece are movably arranged on the base in the axial direction of the first pushing piece and the second pushing piece. The tension spring is arranged between the base and the mounting table and provides tension for enabling the base and the mounting table to be close to each other; a first mounting hole and a second mounting hole are formed in the base, the supporting assembly is arranged below the base, and the supporting assembly is connected to the first mounting hole or the second mounting hole; according to the adjustable prism mounting rack, attitude adjustment of the prism can be realized through a simple structure, optical path calibration is realized, and the manufacturing cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of optical test instruments, in particular to a prism adjustment frame. Background Art

[0002] The optical system has a wealth of accessories and adapters, and can build demonstration and learning systems for various optical phenomena, theories, laws, etc.; among them, the prism is one of the optical mirror bodies, which can be used to realize reflection, transmission, refraction, attenuation, absorption and other processing of the light beam. The prism is generally set on a mounting frame that can adjust the posture so as to adjust the three-dimensional posture of the prism and realize the needs of optical path calibration. The existing prism mounting device, for example, has a prism adjustment fixing table with a publication number of CN219266643U, which realizes the circumferential rotation of the prism and the pitch angle in different directions through structures such as a rotating adjustment mechanism, a first tilt adjustment mechanism, and a second tilt adjustment mechanism; however, the structure of the prism adjustment fixing table is relatively complicated. For example, a first adjustment table and a second adjustment table need to be set on the base, and the first adjustment table and the second adjustment rod need to be driven to change the posture respectively to realize the three-dimensional posture adjustment of the prism; the first adjustment table and the second adjustment table need to be abutted and matched through a first abutment portion and a second abutment portion; the complex structure leads to a relatively high manufacturing cost and manufacturing difficulty of the prism adjustment fixing table. Utility Model Content

[0003] In view of this, the present invention proposes an adjustable prism mounting bracket, the purpose of which is to solve the problem that the structure used to adjust the posture of the prism in the current prism mounting device is too complicated, at least to a certain extent.

[0004] The technical solution of the utility model is achieved in this way:

[0005] A prism adjustable mounting frame, comprising:

[0006] Base, mounting platform, adjustment mechanism and support assembly;

[0007] The base is provided with a first clamping hole, and the mounting platform is provided with a second clamping hole;

[0008] The adjusting mechanism comprises a spherical support body, a first push piece, a second push piece and a tension spring, wherein the spherical support body is clamped between the first clamping hole and the second clamping hole, the first push piece and the second push piece are both movably arranged on the base along their own axial direction, and the tension spring is arranged between the base and the mounting platform and provides a pulling force to make the two approach each other, so that the spherical support body, the first push piece and the second push piece are all in contact with the mounting platform;

[0009] A line connecting the center of the spherical support body and the abutment position of the first push member on the mounting platform is defined as a first axis, and a line connecting the center of the spherical support body and the abutment position of the second push member on the mounting platform is defined as a second axis, and the first axis and the second axis are arranged vertically;

[0010] The base is provided with a first mounting hole and a second mounting hole, the support assembly is arranged below the base, and the support assembly is connected to the first mounting hole or the second mounting hole; when the support assembly is connected to the first mounting hole, the mounting platform is located above the base; when the support assembly is connected to the second mounting hole, the mounting platform is located on the side of the base.

[0011] As a further optional solution of the adjustable prism mounting bracket, the first pushing member and the second pushing member are both screws, and the first pushing member and the second pushing member are respectively threadedly connected to the base.

[0012] As a further optional solution of the prism adjustable mounting bracket, at least one tension spring is arranged between the first pushing member and the spherical supporting body, and between the second pushing member and the spherical supporting body.

[0013] As a further optional scheme of the adjustable prism mounting bracket, a first connecting hole is provided on the base, and a first hook is provided in the first connecting hole; a second connecting hole coaxially corresponding to the first connecting hole is provided on the mounting platform, and a second hook is provided in the second connecting hole; two ends of the tension spring are respectively inserted into the first connecting hole and the second connecting hole, and the two ends of the tension spring are respectively hooked to the first hook and the second hook.

[0014] As a further optional solution for the adjustable prism mounting bracket, a locking hole is provided on the supporting assembly, and a locking bolt passes through the first mounting hole or the second mounting hole and is then threadedly connected to the locking hole, so that the locking bolt presses the base onto the supporting assembly.

[0015] As a further optional solution of the prism adjustable mounting bracket, a clearance hole is provided on the mounting platform, and the clearance hole corresponds to the first mounting hole in the axial direction.

[0016] As a further optional solution of the adjustable prism mounting frame, the supporting assembly is a liftable structure.

[0017] The beneficial effects of the utility model are as follows: the prism adjustable mounting frame can drive the first pushing member or the second pushing member to move axially, so that the mounting platform can rotate around the first axis or the second axis on the base; by connecting the supporting component to the first mounting hole or the second mounting hole on the base, the prism can be suitable for optical path calibration in different directions; the prism adjustable mounting frame can realize the posture adjustment of the prism and the optical path calibration through a simple structure, which can reduce the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is one of the application schematic diagrams of an adjustable prism mounting frame of the utility model;

[0020] Figure 2 This is the second application schematic diagram of an adjustable prism mounting frame of the utility model;

[0021] Figure 3 A schematic diagram of the structure of the base being connected to the mounting platform;

[0022] Figure 4 is an exploded schematic diagram of the base and the mounting platform;

[0023] Figure 5 It is a schematic diagram of the connection structure between the tension spring and the base and the mounting platform;

[0024] Figure 6 It is an exploded schematic diagram of the base and the support assembly.

[0025] In the figure: 1, base; 11, first clamping hole; 12, first mounting hole; 13, second mounting hole; 14, first connecting hole; 141, first hook;

[0026] 2. mounting platform; 21. second connecting hole; 211. second hook; 22. air avoidance hole;

[0027] 3. Adjustment mechanism; 31. Spherical support body; 32. First push member; 33. Second push member; 34. Tension spring;

[0028] 4. Support assembly; 41. Locking hole; 42. Locking bolt.

[0029] X, first axis; Y, second axis. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations 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 a limitation on the present invention.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] refer to Figure 1-6, shows a prism adjustable mounting frame, including a base 1, a mounting platform 2, an adjustment mechanism 3 and a support assembly 4; the base 1 is provided with a first clamping hole 11, and the mounting platform 2 is provided with a second clamping hole; the adjustment mechanism 3 includes a spherical support body 31, a first push piece 32, a second push piece 33 and a tension spring 34, the spherical support body 31 is clamped between the first clamping hole 11 and the second clamping hole, the first push piece 32 and the second push piece 33 are both movably arranged on the base 1 along their own axial direction, and the tension spring 34 is arranged between the base and the mounting platform 2 and provides a pulling force to bring the two closer to each other, so as to realize the spherical support The support body 31, the first push member 32 and the second push member 33 are all in contact with the mounting platform 2; the line between the center of the spherical support body 31 and the contact position of the first push member 32 on the mounting platform 2 is defined as the first axis X, and the line between the center of the spherical support body 31 and the contact position of the second push member 33 on the mounting platform 2 is defined as the second axis Y, and the first axis X and the second axis Y are vertically arranged; the base 1 is provided with a first mounting hole 12 and a second mounting hole 13, and the support assembly 4 is arranged below the base 1, and the support assembly 4 is connected to the first mounting hole 12 or the second mounting hole 13;

[0035] Among them, Figure 1 As shown, when the support assembly 4 is connected to the first mounting hole 12, the mounting platform 2 is located above the base 1; when the first pushing member 32 is driven to move along its own axial direction, the mounting platform 2 will rotate around the second axis Y, and when the second pushing member 33 is driven to move along its own axial direction, the mounting platform 2 will rotate around the first axis X; and when the mounting platform 2 rotates around the first axis X or the second axis Y, the horizontal inclination of the mounting platform 2 can be adjusted, thereby adjusting the pitch angle of the prism fixed on the mounting platform 2; Figure 1 The medium-profile kinematic prism mount is suitable for lateral light paths.

[0036] like Figure 2 As shown, when the support assembly 4 is connected to the second mounting hole 13, the mounting platform 2 is located on the side of the base 1; the adjustment principle is the same as above, Figure 2 The medium-sized prism kinematic mount can be used for vertical optical paths.

[0037] The prism includes but is not limited to a square prism, a triangular prism, etc. In addition, conventionally, the fixing method of the prism on the mounting platform 2 can refer to the prior art, such as the prior art of publication number CN219266643U, and the prism can be pressed and fixed on the mounting platform 2 by a pressing mechanism.

[0038] In this way, the prism adjustable mounting bracket can drive the first pushing member 32 or the second pushing member 33 to move axially, so that the mounting platform 2 can rotate around the first axis X or the second axis Y on the base 1; by connecting the supporting assembly 4 to the first mounting hole 12 or the second mounting hole 13 on the base 1, the prism can be suitable for optical path calibration in different directions; the prism adjustable mounting bracket can achieve posture adjustment of the prism and optical path calibration through a simple structure, which can reduce manufacturing costs.

[0039] Specifically, in order to facilitate the axial movement of the first push member 32 and the second push member 33 on the base 1, refer to Figure 4 The first push member 32 and the second push member 33 are both screws, and the first push member 32 and the second push member 33 are respectively threadedly connected to the base 1. When the first push member 32 and the second push member 33 are rotated, they can move along their own axial direction on the base 1.

[0040] Specifically, in order to ensure that the spherical support body 31, the first push member 32 and the second push member 33 are kept in contact with the mounting platform 2, refer to Figure 4 At least one tension spring 34 is arranged between the first push member 32 and the spherical support body 31, and between the second push member 33 and the spherical support body 31. In this way, the first push member 32 or the second push member 33 can abut against the mounting platform 2 during the movement process.

[0041] In some embodiments, to facilitate setting of the tension spring 34, refer to Figure 4 and Figure 5 The base 1 is provided with a first connection hole 14, and a first hook 141 is provided in the first connection hole 14; the mounting platform 2 is provided with a second connection hole 21 coaxially corresponding to the first connection hole 14, and a second hook 211 is provided in the second connection hole 21; the two ends of the tension spring 34 are respectively inserted into the first connection hole 14 and the second connection hole 21, and the two ends of the tension spring 34 are respectively hooked to the first hook 141 and the second hook 211. The tension spring 34 is stably connected and easy to disassemble, and the spring can be easily replaced after the elastic force of the tension spring 34 fails or the elastic force decays.

[0042] For details of the above scheme, please refer to Figure 6, the support assembly 4 is provided with a locking hole 41, and a locking bolt 42 passes through the first mounting hole 12 or the second mounting hole 13 and is then threadedly connected to the locking hole 41, so that the locking bolt 42 presses the base 1 onto the support assembly 4. Wherein, when the support assembly 4 is connected to the first mounting hole 12, in order to facilitate the locking bolt 42 to be inserted into the first mounting hole 12, an avoidance hole 22 is provided on the mounting platform 2, and the avoidance hole 22 corresponds to the first mounting hole 12 axially. In this way, the locking bolt 42 can pass through the mounting platform 2 from the avoidance hole 22 and then be inserted into the first mounting hole 12; when removing the locking bolt 42, a tool such as a screwdriver can pass through the avoidance hole 22 to screw the locking bolt 42; of course, the size of the avoidance hole 22 should be able to allow the locking bolt 42 to pass through.

[0043] Specifically, the support assembly 4 is a liftable structure to adjust the height of the prism; the support assembly 4 can be a commonly used optical support rod.

[0044] 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 principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A prism adjustable mounting frame, characterized in that: include: Base, mounting platform, adjustment mechanism and support assembly; The base is provided with a first clamping hole, and the mounting platform is provided with a second clamping hole; The adjusting mechanism comprises a spherical support body, a first push piece, a second push piece and a tension spring, wherein the spherical support body is clamped between the first clamping hole and the second clamping hole, the first push piece and the second push piece are both movably arranged on the base along their own axial direction, and the tension spring is arranged between the base and the mounting platform and provides a pulling force to make the two approach each other, so that the spherical support body, the first push piece and the second push piece are all in contact with the mounting platform; A line connecting the center of the spherical support body and the abutment position of the first push member on the mounting platform is defined as a first axis, and a line connecting the center of the spherical support body and the abutment position of the second push member on the mounting platform is defined as a second axis, and the first axis and the second axis are arranged vertically; The base is provided with a first mounting hole and a second mounting hole, the support assembly is arranged below the base, and the support assembly is connected to the first mounting hole or the second mounting hole; when the support assembly is connected to the first mounting hole, the mounting platform is located above the base; when the support assembly is connected to the second mounting hole, the mounting platform is located on the side of the base.

2. The adjustable prism mounting bracket according to claim 1, characterized in that: The first pushing member and the second pushing member are both screws, and the first pushing member and the second pushing member are respectively threadedly connected to the base.

3. The adjustable prism mounting bracket according to claim 2, characterized in that: At least one tension spring is arranged between the first pushing member and the spherical supporting body, and between the second pushing member and the spherical supporting body.

4. The adjustable prism mounting bracket according to any one of claims 1 to 3, characterized in that: The base is provided with a first connecting hole, and a first hook is provided in the first connecting hole; the mounting platform is provided with a second connecting hole coaxially corresponding to the first connecting hole, and a second hook is provided in the second connecting hole; the two ends of the tension spring are respectively passed through the first connecting hole and the second connecting hole, and the two ends of the tension spring are respectively hooked to the first hook and the second hook.

5. The adjustable prism mounting bracket according to claim 1, characterized in that: The support assembly is provided with a locking hole, and a locking bolt passes through the first mounting hole or the second mounting hole and is then threadedly connected to the locking hole, so that the locking bolt presses the base onto the support assembly.

6. The adjustable prism mounting bracket according to claim 5, characterized in that: The mounting platform is provided with an air avoidance hole, and the air avoidance hole corresponds to the first mounting hole in the axial direction.

7. The adjustable prism mounting bracket according to claim 1, characterized in that: The supporting assembly is a liftable structure.

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