Adjustable switching device

Abstract

The utility model discloses an adjustable switching device which comprises an outer barrel, an inner barrel and an adjusting mechanism. The outer cylinder body is cylindrical, and an external thread connecting part is arranged on the outer wall of the outer cylinder body; the inner cylinder body is rotatably arranged in the outer cylinder body, a fixing mechanism used for installing an optical lens is arranged in the inner cylinder body, and a clearance is formed between the inner cylinder body and the outer cylinder body; the adjusting mechanism is used for driving the inner barrel to rotate around at least one axis in the outer barrel. According to the adjustable switching device, the optical lens can be installed in the hole, the turning angle of the optical lens can be adjusted, the posture of the optical lens can be adjusted according to use requirements, and an optical system can be more conveniently built.

Description

Technical Field

[0001] The utility model relates to the technical field of optical test instruments, in particular to an adjustable switching device. Background Art

[0002] The optical system has abundant accessories and adapters, which can be used to build demonstration and learning systems of various optical phenomena, theories, laws, etc. In the optical system, optical lenses can be used to realize reflection, transmission, refraction, attenuation, absorption and other processing of light beams. In some optical systems, it is sometimes necessary to install optical lenses in the hole positions of some optical components, such as the light output hole of the laser emission component, the light holes around the cage cube frame, etc. The outside of the optical lens is generally connected to a frame with external threads, and the frame is threadedly connected to the hole on the optical component to realize the installation and disassembly of the optical lens. However, at present, when the optical lens is installed in the hole, the posture of the optical lens cannot be adjusted according to requirements such as the transmission angle and reflection angle, which is inconvenient to use. Utility Model Content

[0003] In view of this, the utility model proposes an adjustable adapter device to solve the problem that the current optical lens cannot be adjusted when installed in a hole.

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

[0005] An adjustable switching device, comprising:

[0006] An outer cylinder, an inner cylinder and an adjusting mechanism;

[0007] The outer cylinder is cylindrical, and the outer wall of the outer cylinder is provided with an external thread connection portion;

[0008] The inner cylinder is rotatably arranged inside the outer cylinder, a fixing mechanism for mounting the optical lens is arranged inside the inner cylinder, and a clearance gap is formed between the inner cylinder and the outer cylinder;

[0009] The adjusting mechanism is used to drive the inner cylinder to rotate around at least one axis in the outer cylinder.

[0010] As a further optional solution of the adjustable adapter, a first annular base is arranged in the outer cylinder, a support body is arranged on the end surface of the first annular base, and the support body has a support surface with a spherical contour;

[0011] A second annular base is disposed in the inner cylinder, and an end surface of the second annular base abuts against the support body;

[0012] The adjusting mechanism comprises a first pushing member, a second pushing member and a tension spring, wherein the first pushing member and the second pushing member are movably arranged on the first annular base along the axial direction, and the tension spring is arranged between the first annular base and the second annular base and provides a pulling force to bring the two closer to each other, so that the support body, the first pushing member and the second pushing member are all in contact with the second annular base;

[0013] A line connecting the axis center of the support body and the axis center of the first push member is defined as a first axis, a line connecting the axis center of the support body and the axis center of the second push member is defined as a second axis, and the first axis and the second axis are arranged vertically.

[0014] As a further optional scheme of the adjustable adapter, the support body is a sphere, the first annular base is provided with a first clamping hole, the second annular base is provided with a second clamping hole, and the sphere is clamped between the first clamping hole and the second clamping hole.

[0015] As a further optional solution of the adjustable adapter device, the first pushing member and the second pushing member are both screws, and the first pushing member and the second pushing member are both threadedly connected to the first annular base.

[0016] As a further optional solution of the adjustable switching device, two tension springs are provided, wherein one tension spring is arranged between the support body and the first pushing member, and the other tension spring is arranged between the support body and the second pushing member.

[0017] As a further optional solution of the adjustable adapter, both the outer cylinder and the inner cylinder are provided with latches, and the two ends of the tension spring are respectively hooked with the latch on the outer cylinder and the latch on the inner cylinder.

[0018] As a further optional scheme of the adjustable adapter, the fixing mechanism includes a fixing ring, and an internal threaded connecting part is provided in the inner cylinder, and the internal threaded connecting part is threadedly connected to the fixing ring to enable the fixing ring to clamp the optical lens on the end face of the second annular base.

[0019] As a further optional solution of the adjustable adapter device, a groove is provided on the end surface of the fixing ring.

[0020] As a further optional solution of the adjustable adapter device, the external threaded connection portion of the outer cylinder is threadedly connected with a fastening ring.

[0021] The beneficial effects of the utility model are as follows: the adjustable adapter device can realize the installation of the optical lens in the hole, and can realize the adjustment of the flip angle of the optical lens, and can adjust the posture of the optical lens according to the use requirements, which is more convenient for building the optical system.

[0022] Other further beneficial effects of the utility model are embodied in the specific implementation manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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.

[0024] Figure 1 This is a structural schematic diagram of an adjustable switching device of the utility model;

[0025] Figure 2 It is an exploded schematic diagram of an adjustable switching device of the utility model;

[0026] Figure 3 is an exploded schematic diagram of the outer cylinder and the inner cylinder;

[0027] Figure 4 is a schematic diagram of the internal structure of the inner cylinder;

[0028] Figure 5 This is a schematic diagram of the internal structure of an adjustable switching device of the utility model;

[0029] Figure 6 The utility model is an application schematic diagram of an adjustable switching device.

[0030] In the figure:

[0031] 1. outer cylinder; 11. external threaded connection portion; 12. first annular base; 13. support body; 14. first clamping hole;

[0032] 2. Inner cylinder; 21. Internal thread connection; 22. Second annular base; 23. Second clamping hole; 24. Fixing ring; 241. Groove;

[0033] 3. Adjustment mechanism; 31. First push member; 32. Second push member; 33. Tension spring; 331. Latch;

[0034] 4. Avoid space gaps;

[0035] 5. Fastening ring. DETAILED DESCRIPTION

[0036] 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.

[0037] 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.

[0038] 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.

[0039] 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.

[0040] refer to Figure 1-6 , shows an adjustable adapter device, including an outer cylinder 1, an inner cylinder 2 and an adjustment mechanism 3, the outer cylinder 1 is cylindrical, and the outer wall of the outer cylinder 1 is provided with an external threaded connection part 11; the inner cylinder 2 is rotatably arranged inside the outer cylinder 1, and a fixing mechanism for installing an optical lens is provided inside the inner cylinder 2, and a space gap 4 is formed between the inner cylinder 2 and the outer cylinder 1; the adjustment mechanism 3 is used to drive the inner cylinder 2 to rotate around at least one axis in the outer cylinder 1.

[0041] Specifically, if Figure 6As shown, the outer cylinder 1 can be connected to the hole of the optical component through the external threaded connection part 11. In this embodiment, through the rotatable cooperation between the inner cylinder 2 and the outer cylinder 1, when the inner cylinder 2 is rotated, the posture of the optical lens fixed in the inner cylinder 2 can be adjusted, the orientation of the optical lens can be changed, and the requirements of adjusting the light transmission direction and the light reflection direction can be met. Among them, the space gap 4 can prevent the inner cylinder 2 from interfering with the outer cylinder 1 when rotating.

[0042] In some embodiments, reference Figure 2-5 A first annular base 12 is arranged in the outer cylinder 1, and a support body 13 is arranged on the end surface of the first annular base 12, and the support body 13 has a support surface with a spherical contour; a second annular base 22 is arranged in the inner cylinder 2, and the end surface of the second annular base 22 abuts against the support body 13; the adjustment mechanism 3 includes a first push piece 31, a second push piece 32 and a tension spring 33, the first push piece 31 and the second push piece 32 are axially movably arranged on the first annular base 12, the tension spring 33 is arranged between the first annular base 12 and the second annular base 22 and provides a pulling force to make the two approach each other, so that the support body 13, the first push piece 31 and the second push piece 32 are all abutted against the second annular base 22; the line between the axis of the support body 13 and the axis of the first push piece 31 is defined as the first axis, the line between the axis of the support body 13 and the axis of the second push piece 32 is defined as the second axis, and the first axis and the second axis are vertically arranged.

[0043] Among them, under the action of the tension spring 33, the abutment between the second annular base 22 and the support part, the first pushing member 31 and the second pushing member 32 can be maintained, and when the first pushing member 31 moves axially, the inner cylinder 2 rotates around the second axis; when the second pushing member 32 moves axially, the inner cylinder 2 rotates around the first axis; when the first axis and the second axis are arranged vertically and horizontally respectively, for example, the first axis is arranged vertically and the second axis is arranged horizontally, the horizontal swing angle of the optical lens can be adjusted by adjusting the axial position of the second pushing member 32, and the pitch angle of the optical lens can be adjusted by adjusting the axial position of the first pushing member 31.

[0044] Among them, reference Figure 5 The first annular base 12 may be an annular structure protruding from the inner wall of the outer cylinder 1 , and the second annular base 22 may be an annular structure protruding from the inner wall of the inner cylinder 2 .

[0045] In the above solution, the support body 13 may be a hemispherical structure integrated with the first annular base 12, and the hemispherical structure has a support surface with a spherical contour, and the support surface with a spherical contour can facilitate the inner cylinder 2 to rotate when it abuts against the support body 13;

[0046] The support body 13 may also be a separate part. Figure 2 and Figure 5 The support body 13 is a sphere, the first annular base 12 is provided with a first clamping hole 14, the second annular base 22 is provided with a second clamping hole 23, and the sphere is clamped between the first clamping hole 14 and the second clamping hole 23. In this way, the manufacturing of the support body 13 is convenient, the support body 13 can be a steel ball, the first clamping hole 14 and the second clamping hole 23 can be a conical hole, a pyramid hole, a hemispherical hole, etc., and the first clamping hole 14 and the second clamping hole 23 can realize the position positioning of the support body 13 to prevent the support body 13 from being displaced relative to the outer cylinder 1 or the inner cylinder 2.

[0047] In the above scheme, the first push piece 31 and the second push piece 32 can be screws, specifically set screws with ball heads, and the ball head structure at the end contacts the end surface of the second annular base 22, so that the inner cylinder 2 can be easily rotated when it abuts against the first push piece 31 and the second push piece 32; the first push piece 31 and the second push piece 32 are both threadedly connected to the first annular base 12. In this way, by screwing the first push piece 31 / the second push piece 32, the axial movement thereof on the first annular base 12 can be achieved.

[0048] In the above solution, in order to further ensure that the second annular base 22 is in contact with the support portion, the first push member 31 and the second push member 32, Figure 2 There are two tension springs 33 , one of which is disposed between the support body 13 and the first pushing member 31 , and the other tension spring 33 is disposed between the support body 13 and the second pushing member 32 .

[0049] In the above solution, the tension spring 33 may have two ends welded to the outer cylinder 1 and the inner cylinder 2 respectively;

[0050] In other embodiments, reference Figure 4 The outer cylinder 1 and the inner cylinder 2 are both provided with a latch 331, and the two ends of the tension spring 33 are respectively hooked with the latch 331 on the outer cylinder 1 and the latch 331 on the inner cylinder 2. In this way, the tension spring 33 is detachable, and when the elastic force of the tension spring 33 fails or the elastic force decays, the tension spring 33 can be easily replaced.

[0051] In the above solution, the fixing mechanism can fix the optical lens in the inner cylinder 2. For example, without considering disassembly, the fixing mechanism can be a bonding structure that fixes the optical lens in the inner cylinder 2.

[0052] In other embodiments, reference Figure 4 and Figure 5 , the fixing mechanism includes a fixing ring 24, and an internal threaded connection part 21 is provided in the inner cylinder 2, and the internal threaded connection part 21 is threadedly connected to the fixing ring 24, so that the fixing ring 24 can clamp the optical lens on the end face of the second annular base 22. In this way, the fixing ring 24 can be removed from the inner cylinder 2 and the axial movement of the fixing ring 24 in the inner cylinder 2 can be adjusted by screwing the fixing ring 24, and the fixing ring 24 can fix optical lenses of different thicknesses on the second annular base 22. In this embodiment, the fixing mechanism can realize the detachable installation of the optical lens on the inner cylinder 2. In addition, to facilitate the screwing of the fixing ring 24, refer to Figure 4 The end surface of the fixing ring 24 is provided with a groove 241.

[0053] In some embodiments, reference Figure 6 The external threaded connection portion 11 of the outer cylinder 1 is threadedly connected with a fastening ring 5. Specifically, when the outer cylinder 1 is connected to the hole 110 of the optical component 100, the fastening ring 5 can be screwed to abut against the optical component 100, so that the outer cylinder 1 is locked to prevent the outer cylinder 1 from rotating in the hole 110 under the influence of unexpected factors after the posture of the optical lens is adjusted.

[0054] 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. An adjustable switching device, characterized in that: include: An outer cylinder, an inner cylinder and an adjusting mechanism; The outer cylinder is cylindrical, and the outer wall of the outer cylinder is provided with an external thread connection portion; The inner cylinder is rotatably arranged inside the outer cylinder, a fixing mechanism for mounting the optical lens is arranged inside the inner cylinder, and a clearance gap is formed between the inner cylinder and the outer cylinder; The adjusting mechanism is used to drive the inner cylinder to rotate around at least one axis in the outer cylinder.

2. The adjustable switching device according to claim 1, characterized in that: A first annular base is disposed in the outer cylinder, and a support body is disposed on the end surface of the first annular base, wherein the support body has a support surface with a spherical contour; A second annular base is disposed in the inner cylinder, and an end surface of the second annular base abuts against the support body; The adjusting mechanism comprises a first pushing member, a second pushing member and a tension spring, wherein the first pushing member and the second pushing member are movably arranged on the first annular base along the axial direction, and the tension spring is arranged between the first annular base and the second annular base and provides a pulling force to bring the two closer to each other, so that the support body, the first pushing member and the second pushing member are all in contact with the second annular base; A line connecting the axis center of the support body and the axis center of the first push member is defined as a first axis, a line connecting the axis center of the support body and the axis center of the second push member is defined as a second axis, and the first axis and the second axis are arranged vertically.

3. The adjustable switching device according to claim 2, characterized in that: The support body is a sphere, the first annular base is provided with a first clamping hole, the second annular base is provided with a second clamping hole, and the sphere is clamped between the first clamping hole and the second clamping hole.

4. The adjustable switching device according to claim 2, 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 both threadedly connected to the first annular base.

5. The adjustable switching device according to any one of claims 2 to 4, characterized in that: The tension springs are provided with two, one of which is arranged between the support body and the first pushing member, and the other is arranged between the support body and the second pushing member.

6. The adjustable switching device according to claim 5, characterized in that: The outer cylinder and the inner cylinder are both provided with latches, and the two ends of the tension spring are respectively hooked with the latch on the outer cylinder and the latch on the inner cylinder.

7. The adjustable switching device according to any one of claims 2 to 4, characterized in that: The fixing mechanism comprises a fixing ring, and an internal thread connection portion is arranged in the inner cylinder, and the internal thread connection portion is threadedly connected to the fixing ring so that the fixing ring can clamp the optical lens on the end surface of the second annular base.

8. The adjustable switching device according to claim 7, characterized in that: The end surface of the fixing ring is provided with a groove.

9. The adjustable switching device according to claim 1, characterized in that: The external threaded connection portion of the outer cylinder is threadedly connected with a fastening ring.

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