CN220340469U - Rotary pair clamping mechanism and double-arm type pitching adjusting device - Google Patents
Rotary pair clamping mechanism and double-arm type pitching adjusting device Download PDFInfo
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- CN220340469U CN220340469U CN202321950467.3U CN202321950467U CN220340469U CN 220340469 U CN220340469 U CN 220340469U CN 202321950467 U CN202321950467 U CN 202321950467U CN 220340469 U CN220340469 U CN 220340469U
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- bearing
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- bearing seat
- assembly
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 210000004907 gland Anatomy 0.000 claims abstract description 77
- 238000003754 machining Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of angle adjusting equipment, and particularly discloses a rotary pair clamping mechanism and a double-arm pitching adjusting device, wherein the rotary pair clamping mechanism comprises a bearing seat, a bearing seat gland, a bearing, a rotating shaft and a bearing gland; the bearing seat gland is detachably arranged on the bearing seat, and an assembly cavity for an assembled bearing is formed between the bearing seat gland and the bearing seat; one end of the rotating shaft is connected with the mirror frame assembly, and the other end of the rotating shaft is assembled in the bearing; the bearing gland is used for compressing the bearing in the assembly cavity. According to the utility model, the integral bearing seat for assembling the bearing is improved into the split bearing seat gland and the bearing seat, and the bearing seat gland is detachably arranged on the bearing seat, so that the bearing is assembled in an interference fit mode, but is assembled in a mode of connecting the bearing seat gland and the bearing seat, and compared with the existing interference fit mode, the machining precision of parts can be reduced, and the possibility of easily generating stress after assembly is reduced.
Description
Technical Field
The utility model relates to the technical field of angle adjusting equipment, in particular to a rotary pair clamping mechanism and a double-arm type pitching adjusting device.
Background
When the optical element is used, the angle of the optical element needs to be adjusted, and the angle adjusting mode comprises pitching adjustment, rotation adjustment, horizontal adjustment and vertical adjustment. Wherein, pitch adjustment adopts pitch adjustment device. The prior pitching adjusting device comprises a lens frame component for fixing the optical component and a clamping mechanism capable of realizing rotation of the lens frame component.
The existing clamping mechanism comprises a rotating shaft, a bearing and a bearing seat, wherein one end of the rotating shaft is connected with the mirror frame assembly, the other end of the rotating shaft is arranged in the bearing, and the bearing is arranged in the bearing seat. The existing bearing seat and bearing are assembled and designed to be in interference fit, the requirement on the machining precision of parts is high, assembly and debugging are complex, and stress is easy to generate after assembly.
Disclosure of Invention
The utility model aims to provide a rotary pair clamping mechanism and a double-arm type pitching adjusting device, which are not used for assembling a bearing seat and a bearing in an interference fit manner, so that the machining precision of parts is reduced, and the possibility of easily generating stress after assembly is reduced.
The utility model is realized by the following technical scheme:
the rotary pair clamping mechanism comprises a bearing seat, a bearing seat gland, a bearing, a rotating shaft and a bearing gland;
the bearing seat gland is detachably arranged on the bearing seat, and an assembling cavity for assembling the bearing is formed between the bearing seat gland and the bearing seat;
one end of the rotating shaft is connected with the mirror frame assembly, and the other end of the rotating shaft is assembled in the bearing;
the bearing gland is used for compressing the bearing in the assembly cavity.
The existing bearing seat and bearing assembly are designed to be in interference fit; the concrete assembly is as follows: the bearing seat is used for machining the assembly hole for assembling the bearing, the bearing is assembled in the assembly hole in an interference fit mode, the assembly hole is high in machining precision requirement due to the fact that the bearing is assembled in the interference fit mode, debugging is needed after assembly, assembly and debugging are complex, and stress is easy to generate after assembly.
According to the utility model, the integral bearing seat for assembling the bearing is improved into the split bearing seat gland and the bearing seat, and the bearing seat gland is detachably arranged on the bearing seat, so that the bearing is assembled in an interference fit mode, but is assembled in a mode of connecting the bearing seat gland and the bearing seat, and compared with the existing interference fit mode, the machining precision of parts can be reduced, and the possibility of easily generating stress after assembly is reduced.
Further, the bearing seat gland and the bearing seat are finished by adopting the same part for processing and then wire cutting so as to further reduce the processing difficulty of the part.
Further, the assembly cavity sequentially comprises a first assembly cavity, a second assembly cavity and a third assembly cavity, and the third assembly cavity is adjacent to the mirror frame assembly;
the inner diameter of the first assembly cavity is larger than that of the second assembly cavity, and the inner diameter of the second assembly cavity is larger than that of the third assembly cavity;
the bearing gland is assembled in the first assembling cavity, and the bearing is assembled in the second assembling cavity.
The assembly cavity is a step hole, so that the assembly effect of the bearing is improved.
Further, the outer diameter of the bearing is smaller than or equal to the inner diameter of the second assembly cavity and larger than the inner diameter of the third assembly cavity.
Further, the inner diameter of the bearing is smaller than the inner diameter of the third fitting cavity.
Further, the axial length of the bearing is equal to the length of the second fitting cavity.
Further, the bearing gland comprises a bearing outer ring gland and a bearing inner ring gland;
the bearing inner ring gland is detachably connected with the other end of the rotating shaft and is used for compressing the bearing inner ring;
the bearing outer ring gland is detachably arranged in the assembly cavity and used for compressing the bearing outer ring.
Further, the bearing outer ring gland is detachably connected with the bearing seat gland and the bearing seat.
Further, the bearing gland and the bearing seat are arranged up and down, a first semicircular cavity and a second semicircular cavity are respectively arranged on the bearing gland and the bearing seat, the first semicircular cavity and the second semicircular cavity are symmetrically arranged, and the first semicircular cavity and the second semicircular cavity are encircled to form an assembly cavity.
The double-arm pitching adjusting device comprises a lens frame assembly for fixing an optical element and the rotary pair clamping mechanism;
the two rotating pair clamping mechanisms are symmetrically arranged on two side walls of the mirror frame assembly.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
according to the utility model, the split bearing seat gland and the bearing seat are adopted to assemble the bearing, an interference fit mode is not needed to be adopted to assemble the bearing, and the bearing is assembled in a mode of connecting the bearing seat gland and the bearing seat.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a schematic view of the connection of a rotary pair clamping mechanism with a frame assembly of the present utility model;
fig. 2 is a schematic structural view of the dual arm pitch control device of the present utility model.
In the drawings, the reference numerals and corresponding part names:
1-a revolute pair clamping mechanism; 2-a mirror frame assembly; 11-bearing seats; 12-bearing seat gland; 13-bearing; 14-rotating shaft; 15-a bearing outer ring gland; 16-a bearing inner ring gland; 100-optical element.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1:
as shown in fig. 1-2, the rotary pair clamping mechanism comprises a bearing seat 11, a bearing seat gland 12, a bearing 13, a rotating shaft 14 and a bearing gland;
the bearing seat gland 12 is detachably arranged on the bearing seat 11 and can be connected through bolts, and an assembling cavity for assembling the bearing 13 is formed between the bearing seat gland 12 and the bearing seat 11;
one end of the rotating shaft 14 is connected with the mirror frame assembly 2, specifically, one end of the rotating shaft 14 can be connected with the mirror frame assembly 2 through bolts, and the other end is assembled in the bearing 13;
the bearing gland is used to compress the bearing 13 within the assembly cavity.
The relative positional relationship between the seat gland 12 and the seat 11 is not limited, and the specific form constituting the fitting cavity is not limited. Exemplary: the bearing cover 12 and the bearing seat 11 are arranged up and down, a first semicircular cavity and a second semicircular cavity are respectively arranged on the bearing cover 12 and the bearing seat 11, the first semicircular cavity and the second semicircular cavity are symmetrically arranged, and the first semicircular cavity and the second semicircular cavity are encircled to form an assembly cavity.
In the embodiment, the split bearing seat gland 12 and the bearing seat 11 are adopted to assemble the bearing 13, the bearing 13 is not required to be assembled in an interference fit mode, but the bearing seat gland 12 and the bearing seat 11 are connected to assemble the bearing 13, and compared with the existing interference fit mode, the machining precision of parts can be reduced, and the possibility of easily generating stress after assembly is reduced.
In a preferred case, in order to further reduce the machining precision of the parts, the bearing seat gland 12 and the bearing seat 11 are finished by wire cutting after machining the same parts.
In a preferred case, the assembly cavities comprise in sequence a first assembly cavity, a second assembly cavity and a third assembly cavity, said third assembly cavity being adjacent to the frame assembly 2; the inner diameter of the first assembly cavity is larger than that of the second assembly cavity, and the inner diameter of the second assembly cavity is larger than that of the third assembly cavity; the bearing gland is assembled in the first assembling cavity, and the bearing 13 is assembled in the second assembling cavity; the outer diameter of the bearing 13 is smaller than or equal to the inner diameter of the second assembly cavity and larger than the inner diameter of the third assembly cavity.
In a preferred case, the inner diameter of the bearing 13 is smaller than the inner diameter of the third fitting cavity; the axial length of the bearing 13 is equal to the length of the second fitting cavity.
In a preferred embodiment, the bearing gland comprises an outer bearing ring gland 15 and an inner bearing ring gland 16;
the bearing inner ring gland 16 is detachably connected with the other end of the rotating shaft 14, and the bearing inner ring gland 16 is used for compressing the inner ring of the bearing 13;
the bearing outer ring gland 15 is detachably arranged in the assembly cavity, and the bearing outer ring gland 15 is used for compressing the outer ring of the bearing 13.
In a preferred embodiment, the bearing outer ring gland 15 is removably coupled to both the bearing housing gland 12 and the bearing housing 11.
Exemplary: the bearing inner ring gland 16 is the circular plate, and the bearing outer ring gland 15 includes circular apron, and the inner wall of circular apron outwards caves in the circular recess that forms and is used for holding bearing inner ring gland 16, during the use, passes through the end connection of bolt with pivot 14 with bearing inner ring gland 16 earlier, then assembles bearing outer ring gland 15 in first assembly cavity, makes bearing inner ring gland 16 arrange in circular recess, then is connected with bearing seat gland 12 and bearing frame 11 respectively with bearing outer ring gland 15 through a plurality of fastening bolts, fastening bolt level sets up.
Example 2:
a dual arm pitch adjustment device comprising a frame assembly 2 for securing an optical element 100, and a rotary sub-clamping mechanism 1 as described in embodiment 1;
the two rotary auxiliary clamping mechanisms 1 are arranged, and the two rotary auxiliary clamping mechanisms 1 are symmetrically arranged on two side walls of the mirror frame assembly 2.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are for understanding and reading only by those skilled in the art, and are not intended to limit the scope of the utility model, so that any structural modifications, proportional changes, or size adjustments should fall within the scope of the utility model without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
Claims (10)
1. The rotary pair clamping mechanism is characterized by comprising a bearing seat (11), a bearing seat gland (12), a bearing (13), a rotating shaft (14) and a bearing gland;
the bearing seat gland (12) is detachably arranged on the bearing seat (11), and an assembling cavity for assembling the bearing (13) is formed between the bearing seat gland (12) and the bearing seat (11);
one end of the rotating shaft (14) is connected with the mirror frame assembly (2), and the other end of the rotating shaft is assembled in the bearing (13);
the bearing gland is used for pressing the bearing (13) into the assembly cavity.
2. The rotary pair clamping mechanism according to claim 1, wherein the bearing seat gland (12) and the bearing seat (11) are finished by adopting the same part for machining and then wire cutting.
3. The rotary pair clamping mechanism according to claim 1, wherein the assembly cavities comprise a first assembly cavity, a second assembly cavity and a third assembly cavity in sequence, the third assembly cavity being adjacent to the frame assembly (2);
the inner diameter of the first assembly cavity is larger than that of the second assembly cavity, and the inner diameter of the second assembly cavity is larger than that of the third assembly cavity;
the bearing gland is assembled in the first assembling cavity, and the bearing (13) is assembled in the second assembling cavity.
4. A rotary auxiliary clamping mechanism according to claim 3, characterized in that the outer diameter of the bearing (13) is smaller than or equal to the inner diameter of the second fitting cavity and larger than the inner diameter of the third fitting cavity.
5. A rotary auxiliary clamping mechanism according to claim 4, characterized in that the inner diameter of the bearing (13) is smaller than the inner diameter of the third assembly cavity.
6. A rotary auxiliary clamping mechanism according to claim 3, characterized in that the axial length of the bearing (13) is equal to the length of the second fitting cavity.
7. The rotating pair clamping mechanism according to claim 1, characterized in that the bearing gland comprises a bearing outer ring gland (15) and a bearing inner ring gland (16);
the bearing inner ring gland (16) is detachably connected with the other end of the rotating shaft (14), and the bearing inner ring gland (16) is used for compressing the inner ring of the bearing (13);
the bearing outer ring gland (15) is detachably arranged in the assembly cavity, and the bearing outer ring gland (15) is used for compressing the outer ring of the bearing (13).
8. The rotary pair clamping mechanism according to claim 7, wherein the bearing outer ring gland (15) is detachably connected with the bearing seat gland (12) and the bearing seat (11).
9. The rotary pair clamping mechanism according to any one of claims 1 to 8, wherein the seat gland (12) and the bearing seat (11) are arranged up and down, a first semicircular cavity and a second semicircular cavity are respectively arranged on the seat gland (12) and the bearing seat (11), the first semicircular cavity and the second semicircular cavity are symmetrically arranged, and an assembly cavity is formed by surrounding the first semicircular cavity and the second semicircular cavity.
10. Double arm pitch adjustment device, characterized by comprising a frame assembly (2) for fixing an optical element (100), and by comprising a rotating pair clamping mechanism (1) according to any of claims 1-9;
the two rotating pair clamping mechanisms (1) are arranged, and the two rotating pair clamping mechanisms (1) are symmetrically arranged on two side walls of the mirror frame assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321950467.3U CN220340469U (en) | 2023-07-24 | 2023-07-24 | Rotary pair clamping mechanism and double-arm type pitching adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321950467.3U CN220340469U (en) | 2023-07-24 | 2023-07-24 | Rotary pair clamping mechanism and double-arm type pitching adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220340469U true CN220340469U (en) | 2024-01-12 |
Family
ID=89450537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321950467.3U Active CN220340469U (en) | 2023-07-24 | 2023-07-24 | Rotary pair clamping mechanism and double-arm type pitching adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220340469U (en) |
-
2023
- 2023-07-24 CN CN202321950467.3U patent/CN220340469U/en active Active
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