Angle adjusting frame
Through the design of elastic modules and worm threaded submodules, the angle adjustment of the mounting base and the movable base is achieved by rotating the eccentric wheel, which solves the problem of difficulty in adjusting the existing optical adjustment device and achieves high-precision and convenient angle adjustment effect.
Patent Information
- Application Number
- CN202421815779.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing optical adjustment devices cannot achieve angle adjustment or difficulty in adjusting, and there is room for improvement.
The elastic module and the worm threaded sub-module are adopted to drive the eccentric wheel on the eccentric shaft through the rotation of the first worm and the second worm, thereby realizing the angle adjustment between the mounting base and the movable base. Combined with the design of spherical grooves and balls, the adjustment accuracy and convenience are increased.
It realizes high-precision angle adjustment, simple and compact structure, convenient installation, and is suitable for industrial promotion.
Smart Images
Figure CN223139919U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of optical adjustment, and particularly relates to an angle adjustment frame. Background Art
[0002] Optical adjustment devices are widely used in the adjustment of various optical experimental machines and various solid-state lasers and semiconductor lasers. However, the commonly used optical adjustment devices at present cannot achieve angle adjustment or are difficult to adjust, and there is a large room for improvement. Content of the Utility Model
[0003] In order to solve the technical problems existing in the prior art, the purpose of the utility model is to provide an angle adjustment frame.
[0004] In order to achieve the above purpose and reach the above technical effect, the technical scheme adopted by the utility model is as follows:
[0005] An angle adjustment frame includes a mounting base, a movable base, an elastic module, and a worm thread pair module. The elastic module is arranged between the mounting base and the movable base, and the worm thread pair module is arranged on the mounting base.
[0006] Further, the elastic module includes a plurality of first fixing rods, a plurality of tension springs, and a plurality of second fixing rods. One end of the tension spring is fixed to the mounting base through the first fixing rod, and the opposite end of the tension spring is fixed to the movable base through the second fixing rod.
[0007] Further, a plurality of first through holes and a plurality of first pin holes are arranged on the mounting base. The first pin holes horizontally penetrate the first through holes. A plurality of second through holes and a plurality of second pin holes are arranged on the movable base. The second pin holes horizontally penetrate the second through holes. The number of the first through holes, the second through holes, and the tension springs is the same and their positions correspond one by one. One end of the tension spring is fixed to the first through hole of the mounting base through the first fixing rod inserted into the first pin hole, and the opposite end of the tension spring is fixed to the second through hole of the movable base through the second fixing rod inserted into the second pin hole.
[0008] Further, there are two tension springs, first through holes, first pin holes, second through holes, second pin holes, first fixing rods, and second fixing rods respectively. One first pin hole penetrates the axis of one first through hole, and one second pin hole penetrates the axis of one second through hole.
[0009] Further, spherical grooves are respectively arranged at opposite corners of the mounting base and the movable base for placing spherical balls.
[0010] Further, the worm screw pair module includes a first worm screw pair and a second worm screw pair. The first worm screw pair includes a first worm and a first eccentric wheel shaft. The first worm is in tooth engagement with a first eccentric wheel on the first eccentric wheel shaft. The second worm screw pair includes a second worm and a second eccentric wheel shaft. The second worm is in tooth engagement with a second eccentric wheel on the second eccentric wheel shaft. The second worm is longer than the first worm.
[0011] Further, a first eccentric wheel groove and a second eccentric wheel groove are formed in the mounting base. A first eccentric wheel block and a second eccentric wheel block are respectively arranged on the first eccentric wheel groove and the second eccentric wheel groove. A first square hole and a second square hole are respectively formed in the first eccentric wheel block and the second eccentric wheel block. The eccentric wheel on the first eccentric wheel shaft passes through the first square hole, and the eccentric wheel on the second eccentric wheel shaft passes through the second square hole.
[0012] Further, a first round hole and a second round hole are formed in the side surface of the mounting base. The depths of the first round hole and the second round hole are respectively set to match the first worm and the second worm. One ends of the first worm and the second worm respectively extend into the bottoms of the first round hole and the second round hole. Opposite ends of the first worm and the second worm are respectively sleeved with fixing rings and are respectively detachably connected to the tops of the first round hole and the second round hole.
[0013] Further, internal threads are respectively arranged at the tops of the first round hole and the second round hole. External threads adapted to the internal threads are arranged on the outer surfaces of the fixing rings. Opposite ends of the first worm and the second worm are respectively sleeved with fixing rings and are respectively threadedly connected to the tops of the first round hole and the second round hole.
[0014] Further, both ends of the first worm and the second worm are optical axes, and steps are arranged on the optical axes. Circular counterbores are respectively formed at the bottoms of the first round hole and the second round hole for clearance fit with the outer diameters of the optical axes at one ends of the first worm and the second worm. The middle parts of the fixing rings are provided with holes for clearance fit with the optical axes at the other ends of the first worm and the second worm.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0016] The utility model discloses an angle adjusting bracket. By setting an elastic module, a first worm thread pair and a second worm thread pair, the rotation of the first worm drives the first eccentric wheel on the first eccentric wheel shaft to rotate, and then drives the eccentric wheel on the first eccentric wheel shaft to rotate in the first square hole. The rotation of the second worm drives the second eccentric wheel on the second eccentric wheel shaft to rotate, and then drives the eccentric wheel on the second eccentric wheel shaft to rotate in the second square hole. The angle adjustment between the mounting base and the movable base is realized through the rotational movement of the eccentric wheels at two different positions, with high adjustment precision, simple and compact overall structure, and convenient installation, being suitable for industrial popularization and use. Brief Description of the Drawings
[0017] Figure 1 It is a schematic perspective view of the overall structure of the utility model;
[0018] Figure 2 It is an exploded view of the utility model;
[0019] Figure 3 It is a schematic perspective view of the utility model without the movable base installed;
[0020] Figure 4 It is a schematic perspective view of the mounting base of the utility model;
[0021] Figure 5 It is a schematic perspective view of the first eccentric wheel block or the second eccentric wheel block of the utility model;
[0022] Figure 6 It is a schematic perspective view of the first worm thread pair of the utility model;
[0023] Figure 7 It is a schematic perspective view of the second worm thread pair of the utility model. Detailed Embodiment
[0024] The following elaborates on the utility model in detail so that the advantages and features of the utility model can be more easily understood by those skilled in the art, thereby making the protection scope of the utility model more clearly defined.
[0025] The following gives a brief overview of one or more aspects to provide a basic understanding of these aspects. This overview is not an exhaustive survey of all conceived aspects, and neither is it intended to identify the key or decisive elements of all aspects nor to define the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description to follow.
[0026] As Figures 1-7As shown in the figure, an angle adjustment bracket includes a mounting base 1, a movable base 2, an elastic module, and a worm thread pair module. The elastic module is disposed between the mounting base 1 and the movable base 2. A worm thread pair module is provided on the mounting base 1, and the worm thread pair module includes a first worm thread pair and a second worm thread pair.
[0027] In some embodiments, the elastic module includes a plurality of first fixing rods 4, a plurality of tension springs 5, and a plurality of second fixing rods 6.
[0028] Spherical grooves 1-1 are respectively provided at opposite corners of the mounting base 1 and the movable base 2, which are adapted to the spherical ball 3. The spherical ball 3 is placed in the spherical groove 1-1 and is just stuck between the mounting base 1 and the movable base 2.
[0029] A plurality of first through holes 1-2 and a plurality of first pin holes 1-3 are provided on the mounting base 1. The first pin holes 1-3 pass through the axis of the first through holes 1-2. A plurality of second through holes 2-1 and a plurality of second pin holes 2-2 are provided on the movable base 2. The second pin holes 2-2 pass through the axis of the second through holes 2-1. The number of the first through holes 1-2, the second through holes 2-1, and the tension springs 5 is the same and their positions correspond one by one.
[0030] In some more specific embodiments, there are two tension springs 5, two first fixing rods 4, and two second fixing rods 6 respectively. Between the mounting base 1 and the movable base 2, two tension springs 5 respectively apply two forces that bring the mounting base 1 and the movable base 2 closer. On the mounting base 1, two first through holes 1-2 are respectively provided on both sides of the spherical groove 1-1. There are two first through holes 1-2. On the side of the mounting base 1, a first pin hole 1-3 passing through the axis of the first through hole 1-2 is provided. There are two first pin holes 1-3. One first pin hole 1-3 passes through the axis of one first through hole 1-2. On the movable base 2, two second through holes 2-1 are respectively provided on both sides of the spherical groove 1-1. There are two second through holes 2-1. On the side of the movable base 2, a second pin hole 2-2 passing through the axis of the second through hole 2-1 is provided. There are two second pin holes 2-2. One second pin hole 2-2 passes through the axis of one second through hole 2-1. Each first through hole 1-2 is adapted to one second through hole 2-1 and their positions correspond one by one and are used for inserting one tension spring 5. One end of each tension spring 5 is fixed in the first through hole 1-2 of the mounting base 1 by inserting a first fixing rod 4 into one first pin hole 1-3. The opposite end of the tension spring 5 is fixed in the second through hole 2-1 of the movable base 2 by inserting a second fixing rod 6 into one second pin hole 2-2.
[0031] The mounting base 1 is provided with a first eccentric wheel groove 7 and a second eccentric wheel groove 8. A first eccentric wheel block 9 and a second eccentric wheel block 10 are respectively arranged on the first eccentric wheel groove 7 and the second eccentric wheel groove 8. A first square hole 11 and a second square hole 12 are respectively formed on the first eccentric wheel block 9 and the second eccentric wheel block 10. The first worm screw pair includes a first worm 13 and a first eccentric wheel shaft 14. The first worm 13 is in tooth engagement with a first eccentric wheel 14-1 on the first eccentric wheel shaft 14 through a tooth 13-1. The second worm screw pair includes a second worm 15 and a second eccentric wheel shaft 16. The second worm 15 is in tooth engagement with a second eccentric wheel 16-1 on the second eccentric wheel shaft 16. The second worm 15 is longer than the first worm 13. An eccentric wheel 17 on the first eccentric wheel shaft 14 passes through the first square hole 11, and an eccentric wheel 17 on the second eccentric wheel shaft 16 passes through the second square hole 12. The rotation of the first worm 13 can drive the rotation of the first eccentric wheel 14-1 on the first eccentric wheel shaft 14, and then drive the rotation of the eccentric wheel 17 on the first eccentric wheel shaft 14 within the first square hole 11. The rotation of the second worm 15 can drive the rotation of the second eccentric wheel 16-1 on the second eccentric wheel shaft 16, and then drive the rotation of the eccentric wheel 17 on the second eccentric wheel shaft 16 within the second square hole 12. The angle adjustment between the mounting base 1 and the movable base 2 is realized through the rotational movement of the eccentric wheels 17 at two different positions.
[0032] On the side of the mounting base 1, a first round hole 1-4 and a second round hole 1-5 are provided. The depths of the first round hole 1-4 and the second round hole 1-5 are respectively set to match the first worm 13 and the second worm 15. One ends of the first worm 13 and the second worm 15 respectively extend into the bottoms of the first round hole 1-4 and the second round hole 1-5. Opposite ends of the first worm 13 and the second worm 15 are respectively sleeved with fixing rings 18 and are respectively detachably connected to the tops of the first round hole 1-4 and the second round hole 1-5.
[0033] In some more specific embodiments, internal threads are respectively provided at the tops of the first round hole 1-4 and the second round hole 1-5. External threads adapted to the internal threads are provided on the outer surfaces of the fixing rings 18. Opposite ends of the first worm 13 and the second worm 15 are respectively sleeved with fixing rings 7 and are respectively threadedly connected to the tops of the first round hole 1-4 and the second round hole 1-5.
[0034] Both ends of the first worm 13 and the second worm 15 are respectively optical axes, and steps are provided on the optical axes. The step surfaces are in direct contact with the fixing rings 18 and the bottom surfaces of the round holes on the mounting base 1. In summary, the first worm 13 and the second worm 15 are first installed on the mounting base 1, and then the fixing rings 18 pass through the tops of the first worm 13 and the second worm 15 and are screwed onto the mounting base 1 through a slotted hole 18-1, so as to limit the axial movement of the worms and only leave one degree of freedom for rotation.
[0035] The bottoms of the first round hole 1-4 and the second round hole 1-5 are respectively provided with circular counterbores, which are respectively used for clearance fit with the outer diameters of the optical shafts at one ends of the first worm 13 and the second worm 15. The middle part of the fixing ring 18 is provided with a hole for clearance fit with the optical shafts at the other ends of the first worm 13 and the second worm 15. A slotted hole 18-1 passing through the center of the ring is also provided on one side plane of the fixing ring 18.
[0036] At the top of one end of the fixing ring 7 sleeved on the first worm 13, there are adjusting features, which can be hole structures such as internal hexagonal holes, external hexagonal holes, cross holes, and slotted holes.
[0037] Embodiment 1
[0038] As Figures 1-7 shown, an angle adjusting bracket includes a mounting base 1, a movable base 2, an elastic module, and a worm screw pair module. The elastic module is arranged between the mounting base 1 and the movable base 2. A worm screw pair module is arranged on the mounting base 1, and the worm screw pair module includes a first worm screw pair and a second worm screw pair.
[0039] The elastic module includes two first fixing rods 4, two tension springs 5, and two second fixing rods 6. Between the mounting base 1 and the movable base 2, two tension springs 5 respectively apply two forces that bring the mounting base 1 and the movable base 2 closer.
[0040] At opposite corners of the mounting base 1 and the movable base 2, spherical grooves 1-1 are respectively provided, which are adapted to the spherical balls 3. The spherical balls 3 are placed in the spherical grooves 1-1 and are just stuck between the mounting base 1 and the movable base 2. On the mounting base 1, two first through holes 1-2 are respectively arranged on both sides of the spherical groove 1-1. There are two first through holes 1-2. On the side of the mounting base 1, first pin holes 1-3 passing through the centers of the first through holes 1-2 are arranged. There are two first pin holes 1-3. One first pin hole 1-3 passes through the center of one first through hole 1-2. On the movable base 2, two second through holes 2-1 are respectively arranged on both sides of the spherical groove 1-1. There are two second through holes 2-1. On the side of the movable base 2, second pin holes 2-2 passing through the centers of the second through holes 2-1 are arranged. There are two second pin holes 2-2. One second pin hole 2-2 passes through the center of one second through hole 2-1. Each first through hole 1-2 is adapted to one second through hole 2-1 and their positions correspond one by one and are used for inserting a tension spring 5. One end of each tension spring 5 is fixed in the first through hole 1-2 of the mounting base 1 by inserting a first fixing rod 4 into one first pin hole 1-3, and the opposite end of the tension spring 5 is fixed in the second through hole 2-1 of the movable base 2 by inserting a second fixing rod 6 into one second pin hole 2-2.
[0041] The mounting base 1 is provided with a first eccentric wheel groove 7 and a second eccentric wheel groove 8. A first eccentric wheel block 9 and a second eccentric wheel block 10 are respectively arranged on the first eccentric wheel groove 7 and the second eccentric wheel groove 8. A first square hole 11 and a second square hole 12 are respectively formed in the first eccentric wheel block 9 and the second eccentric wheel block 10. The first worm screw pair includes a first worm 13 and a first eccentric wheel shaft 14. The first worm 13 is in tooth engagement with a first eccentric wheel 14-1 on the first eccentric wheel shaft 14 through teeth 13-1. The second worm screw pair includes a second worm 15 and a second eccentric wheel shaft 16. The second worm 15 is in tooth engagement with a second eccentric wheel 16-1 on the second eccentric wheel shaft 16. The second worm 15 is longer than the first worm 13. The eccentric wheel 17 on the first eccentric wheel shaft 14 passes through the first square hole 11, and the eccentric wheel 17 on the second eccentric wheel shaft 16 passes through the second square hole 12. The rotation of the first worm 13 can drive the rotation of the first eccentric wheel 14-1 on the first eccentric wheel shaft 14, and then drive the eccentric wheel 17 on the first eccentric wheel shaft 14 to rotate in the first square hole 11. The rotation of the second worm 15 can drive the rotation of the second eccentric wheel 16-1 on the second eccentric wheel shaft 16, and then drive the eccentric wheel 17 on the second eccentric wheel shaft 16 to rotate in the second square hole 12. The angle adjustment between the mounting base 1 and the movable base 2 is realized through the rotational movement of the eccentric wheels 17 at two different positions.
[0042] The side surface of the mounting base 1 is provided with a first round hole 1-4 and a second round hole 1-5. The depths of the first round hole 1-4 and the second round hole 1-5 are respectively set to match the first worm 13 and the second worm 15. One ends of the first worm 13 and the second worm 15 respectively extend into the bottoms of the first round hole 1-4 and the second round hole 1-5. Internal threads are respectively arranged at the tops of the first round hole 1-4 and the second round hole 1-5. External threads adapted to the internal threads are arranged on the outer surface of the fixing ring 18. The opposite ends of the first worm 13 and the second worm 15 are respectively sleeved with fixing rings 7 and then are respectively threadedly connected to the tops of the first round hole 1-4 and the second round hole 1-5.
[0043] When the first worm 13 rotates one circle, the first eccentric wheel 14-1 moves N degrees in angle, where N = n1 / 360, and n1 is the number of teeth of the first eccentric wheel 14-1. When the first eccentric wheel 14-1 rotates N degrees, the moving angle of the eccentric wheel 17 on the first eccentric wheel shaft 14 is smaller after conversion. Similarly, when the second worm 15 rotates one circle, the second eccentric wheel 16-1 moves N degrees in angle, where N = n2 / 360, and n2 is the number of teeth of the second eccentric wheel 16-1. When the second eccentric wheel 16-1 rotates N degrees, the moving angle of the eccentric wheel 17 on the second eccentric wheel shaft 16 is smaller after conversion. Through the above conversion, the adjustment accuracy is improved, and it is more subdivided compared with the traditional method of moving one pitch in one circle of a single thread.
[0044] One end of the fixing ring 7 sleeved on the first worm 13 is provided with an adjusting feature, which is an internal hexagonal hole.
[0045] Both ends of the first worm 13 and the second worm 15 are optical axes, and steps are provided on the optical axes. The step surfaces are in direct contact with the bottom surfaces of the round holes on the fixing ring 18 and the mounting base 1. Circular counterbores are respectively provided at the bottoms of the first round hole 1-4 and the second round hole 1-5, which are respectively used for clearance fit with the outer diameters of the optical axes at one ends of the first worm 13 and the second worm 15. The middle part of the fixing ring 18 is provided with an opening for clearance fit with the optical axes at the other ends of the first worm 13 and the second worm 15. A slotted hole 18-1 passing through the center of the ring is also provided on one side plane of the fixing ring 18. In summary, the first worm 13 and the second worm 15 are first installed on the mounting base 1, and then the fixing ring 18 passes through the tops of the first worm 13 and the second worm 15 and is screwed onto the mounting base 1 by rotating through the slotted hole 18-1, so as to limit the axial movement of the worm and only leave one degree of freedom for rotation.
[0046] For the parts or structures not specifically described in the present utility model, existing technologies or existing products can be adopted, and no further elaboration will be made here.
[0047] The above are only embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.
Claims
1. An angle adjusting bracket, characterized in that, It includes an installation base, a movable base, an elastic module, and a worm thread pair module. The elastic module is arranged between the installation base and the movable base, and the worm thread pair module is arranged on the installation base. The worm thread pair module includes a first worm thread pair and a second worm thread pair. The first worm thread pair includes a first worm and a first eccentric wheel shaft. The first worm is in tooth engagement with the first eccentric wheel on the first eccentric wheel shaft. The second worm thread pair includes a second worm and a second eccentric wheel shaft. The second worm is in tooth engagement with the second eccentric wheel on the second eccentric wheel shaft. The second worm is longer than the first worm. The installation base is provided with a first eccentric wheel groove and a second eccentric wheel groove. A first eccentric wheel block and a second eccentric wheel block are respectively arranged on the first eccentric wheel groove and the second eccentric wheel groove. A first square hole and a second square hole are respectively opened on the first eccentric wheel block and the second eccentric wheel block. The eccentric wheel on the first eccentric wheel shaft passes through the first square hole, and the eccentric wheel on the second eccentric wheel shaft passes through the second square hole. The side of the installation base is provided with a first round hole and a second round hole. The depths of the first round hole and the second round hole are respectively matched with the first worm and the second worm. One ends of the first worm and the second worm respectively extend into the bottoms of the first round hole and the second round hole. The opposite ends of the first worm and the second worm are respectively sleeved with fixing rings and are respectively detachably connected to the tops of the first round hole and the second round hole. Internal threads are respectively arranged at the tops of the first round hole and the second round hole. External threads adapted to the internal threads are arranged on the outer surfaces of the fixing rings. The opposite ends of the first worm and the second worm are respectively sleeved with fixing rings and are respectively threadedly connected to the tops of the first round hole and the second round hole. Both ends of the first worm and the second worm are respectively optical axes, and steps are arranged on the optical axes. Circular counterbores are respectively arranged at the bottoms of the first round hole and the second round hole, which are respectively used for clearance fit with the outer diameters of the optical axes at one ends of the first worm and the second worm. The middle parts of the fixing rings are provided with holes for clearance fit with the optical axes at the other ends of the first worm and the second worm.
2. The angle adjustment bracket according to claim 1, characterized in that, The elastic module includes a plurality of first fixing rods, a plurality of tension springs, and a plurality of second fixing rods. One end of the tension spring is fixed to the installation base through the first fixing rod, and the opposite end of the tension spring is fixed to the movable base through the second fixing rod.
3. The angle adjustment bracket according to claim 2, wherein A plurality of first through holes and a plurality of first pin holes are arranged on the installation base. The first pin holes horizontally pass through the first through holes. A plurality of second through holes and a plurality of second pin holes are arranged on the movable base. The second pin holes horizontally pass through the second through holes. The numbers of the first through holes, the second through holes, and the tension springs are the same and their positions correspond one by one. One end of the tension spring is fixed to the first through hole of the installation base through the first fixing rod inserted into the first pin hole, and the opposite end of the tension spring is fixed to the second through hole of the movable base through the second fixing rod inserted into the second pin hole.
4. The angle adjusting bracket according to claim 3, wherein There are two tension springs, first through holes, first pin holes, second through holes, second pin holes, first fixing rods, and second fixing rods respectively. One first pin hole passes through the axis of one first through hole, and one second pin hole passes through the axis of one second through hole.
5. The angle adjustment bracket according to claim 1, characterized in that, One of the opposite corners of the installation base and the movable base is respectively provided with a spherical groove for placing a spherical ball.