CN214845763U - Compact optical scanning tracking mechanism - Google Patents
Compact optical scanning tracking mechanism Download PDFInfo
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- CN214845763U CN214845763U CN202120716254.9U CN202120716254U CN214845763U CN 214845763 U CN214845763 U CN 214845763U CN 202120716254 U CN202120716254 U CN 202120716254U CN 214845763 U CN214845763 U CN 214845763U
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Abstract
The utility model discloses a compact optical scanning tracking mechanism, including the cabin body, camera lens subassembly, horizontal rotation swing mechanism and vertical rotation swing mechanism, the camera lens unit mount is in on the vertical rotation swing mechanism, vertical rotation swing mechanism locates on the horizontal rotation swing mechanism, horizontal rotation swing mechanism locates in the cabin body, by horizontal rotation swing mechanism drives camera lens subassembly horizontal swing on the vertical rotation swing mechanism and, by vertical rotation swing mechanism drives camera lens subassembly vertical swing. The utility model discloses overall structure is compact and small, and level, vertical rotation scanning angle beat scope are big, set up anti-backlash mechanism among the drive mechanism to can change the camera lens of different demands as required in the camera lens subassembly, the installation interface is nimble convenient, has better environmental suitability, uses reliably.
Description
Technical Field
The utility model relates to the field of photoelectric technology, especially, relate to a compact optical scanning tracking mechanism.
Background
With the increasingly wide application of security monitoring products, the requirements on the size and the environmental adaptability of the products in the security monitoring field are higher and higher, for example, the monitoring range is required to be enlarged, the product size is smaller and smaller, the environmental adaptability is good, and the like.
The existing security monitoring pod and holder products have the defects of large size, inconvenient installation, poor environmental adaptability and the like, and in order to meet the requirements of small size and large monitoring range of the security monitoring products, a miniaturized and high-stability optical scanning tracking mechanism needs to be developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an object of the utility model is to provide a compact type optical scanning tracking mechanism, its compact structure is small and exquisite, and scanning angle beat scope is big, and inside can be as required the camera lens of changing different demands, and the installation interface is nimble convenient, has better environmental suitability, uses reliably.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a compact optical scanning tracking mechanism, includes the cabin body, camera lens subassembly, horizontal rotation swing mechanism and vertical rotation swing mechanism, the camera lens unit mount is in on the vertical rotation swing mechanism, vertical rotation swing mechanism locates on the horizontal rotation swing mechanism, horizontal rotation swing mechanism locates in the cabin body, by horizontal rotation swing mechanism drives vertical rotation swing mechanism and the last camera lens subassembly horizontal swing of it, by vertical rotation swing mechanism drives camera lens subassembly vertical swing.
Further, vertical rotation swing mechanism includes vertical rotation support, camera lens mounting bracket, vertical rotation axis, vertical support bearing, vertical rotation driving motor and vertical encoder, vertical rotation support rotate support in horizontal rotation swing mechanism, the camera lens mounting bracket is used for the installation the camera lens subassembly, the both ends of camera lens mounting bracket are passed through vertical rotation axis and vertical support bearing support in the vertical rotation support, one of them vertical rotation axis with vertical rotation driving motor links to each other, another vertical rotation axis with vertical encoder links to each other.
Further, horizontal rotation swing mechanism includes horizontal installation board, horizontal rotation axle, horizontal support bearing, transition actuating mechanism, horizontal rotation driving motor and horizontal encoder, two horizontal installation board is located in the breach of cabin body both sides, two set up one respectively on the horizontal installation board horizontal support bearing, the cover is established in the horizontal support bearing horizontal rotation axle, horizontal rotation axle's one end vertical rotation support links to each other, one of them horizontal rotation axle passes through transition actuating mechanism with horizontal rotation driving motor links to each other, another horizontal rotation axle passes through transition actuating mechanism with horizontal encoder links to each other.
Furthermore, the transition driving mechanism comprises sector teeth and a gear, the sector teeth are arranged on the horizontal rotating shaft, and the gear is respectively arranged on the output shaft of the horizontal rotating driving motor or the input shaft of the horizontal encoder and is in meshing transmission with the sector teeth.
Furthermore, the horizontal rotation driving motor is arranged on a gear gap eliminating mechanism, the gear gap eliminating mechanism comprises a swinging plate, a swinging plate rotating shaft, a gap eliminating rotating shaft and a tensioning spring, one end of the swinging plate is hinged to the horizontal mounting plate through the swinging plate rotating shaft, the gap eliminating rotating shaft is arranged at the other end of the swinging plate, one end of the tensioning spring is connected with the gap eliminating rotating shaft, the other end of the tensioning spring is fixed on the horizontal mounting plate, the horizontal rotation driving motor is arranged on the swinging plate, and the gear arranged on an output shaft of the horizontal rotation driving motor is tightly attached to the sector gear through the tensioning spring to pull the swinging plate.
Furthermore, a sealing side plate is arranged at the gap of the cabin body.
Furthermore, sealing covers or ball covers are arranged at two ends of the cabin body.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up integrated configuration's horizontal rotation swing mechanism and vertical rotation swing mechanism, camera lens unit mount is in vertical rotation swing mechanism, and overall structure is compact and small, and level, vertical rotation scanning angle beat scope are big to can change the camera lens of different demands as required in the camera lens subassembly, the installation interface is nimble convenient, has better environmental suitability, uses reliably.
2. The utility model discloses all set up motor drive's rotation axis and encoder among horizontal rotation swing mechanism and the vertical rotation swing mechanism, drive accuracy is high, can in time feed back corner position moreover, and it is high to rotate scanning accuracy.
3. The utility model discloses set up a transition actuating mechanism among the horizontal rotation swing mechanism, make horizontal rotation driving motor not locate the axis extension line of axis of rotation on, change the structure that the motor mounted position made the cabin body and can do compacter.
4. The utility model discloses be equipped with sector gear and gear among the transition actuating mechanism to set up gear crack mechanism that disappears and eliminate the clearance between sector gear and the gear, guarantee horizontal drive precision and feedback precision.
Drawings
Fig. 1 is the perspective view of the compact optical scanning and tracking mechanism after the sealing side plate is removed.
Fig. 2 is a schematic radial sectional view of the compact optical scanning and tracking mechanism of the present invention.
Fig. 3 is an axial sectional view of the compact optical scanning and tracking mechanism of the present invention.
Fig. 4 is a perspective view of a portion of the horizontal rotation swing mechanism and the straight rotation swing mechanism.
FIG. 5 is a top view of the transition drive mechanism and the gear backlash elimination mechanism.
Description of reference numerals:
1. a cabin body; 11. a notch; 12. sealing the side plate; 2. a lens assembly; 3. a horizontal rotation swing mechanism; 31. a horizontal mounting plate; 32. a horizontal rotation axis; 33. a horizontal support bearing; 34. a transition drive mechanism; 341. sector gear; 342. a gear; 35. a horizontal rotation driving motor; 36. a horizontal encoder; 37. a gear backlash eliminating mechanism; 371. a swing plate; 372. a swing plate rotating shaft; 373. a gap eliminating rotating shaft; 374. tensioning the spring; 4. a straight rotary swing mechanism; 41. vertically rotating the support; 42. a lens mounting frame; 43. a vertical rotation axis; 44. a vertical support bearing; 45. a vertical rotation driving motor; 46. a vertical encoder.
Detailed Description
The invention will be described in further detail with reference to the following drawings and specific embodiments:
referring to fig. 1 to 5, a compact optical scanning tracking mechanism includes a cabin 1, a lens assembly 2, a horizontal rotation swing mechanism 3 and a vertical rotation swing mechanism 4, wherein the lens assembly 2 is mounted on the vertical rotation swing mechanism 4, the vertical rotation swing mechanism 4 is disposed on the horizontal rotation swing mechanism 3, the horizontal rotation swing mechanism 3 is disposed in the cabin 1, the vertical rotation swing mechanism 4 and the lens assembly 2 thereon are driven by the horizontal rotation swing mechanism 3 to swing horizontally, and the vertical rotation swing mechanism 4 drives the lens assembly 2 to swing vertically.
The vertical rotation swing mechanism 4 includes a vertical rotation bracket 41, a lens mounting bracket 42, a vertical rotation shaft 43, a vertical support bearing 44, a vertical rotation driving motor 45 and a vertical encoder 46, the vertical rotation bracket 41 is rotatably supported in the horizontal rotation swing mechanism 3, the lens mounting bracket 42 is used for mounting the lens assembly 2, two ends of the lens mounting bracket 42 are supported in the vertical rotation bracket 41 through the vertical rotation shaft 43 and the vertical support bearing 44, one of the vertical rotation shaft 43 is connected with the vertical rotation driving motor 45, and the other vertical rotation shaft 43 is connected with the vertical encoder 46.
Horizontal rotation swing mechanism 3 includes horizontal installation board 31, horizontal rotation axle 32, horizontal support bearing 33, transition actuating mechanism 34, horizontal rotation driving motor 35 and horizontal encoder 36, two horizontal installation board 31 is located in the breach 11 of 1 both sides in the cabin body, two set up one on the horizontal installation board 31 respectively horizontal support bearing 33, the cover is established in the horizontal support bearing 33 horizontal rotation axle 32, horizontal rotation axle 32's one end vertical rotation support 41 links to each other, one of them horizontal rotation axle 32 passes through transition actuating mechanism 34 with horizontal rotation driving motor 35 links to each other, another horizontal rotation axle 32 passes through transition actuating mechanism 34 with horizontal encoder 36 links to each other.
The transition driving mechanism 34 includes a sector gear 341 and a gear 342, the sector gear 341 is disposed on the horizontal rotating shaft 32, and the gear 342 is respectively disposed on the output shaft of the horizontal rotation driving motor 35 or the input shaft of the horizontal encoder 36, and is in meshing transmission with the sector gear 341.
The horizontal rotation driving motor 35 is arranged on a gear backlash elimination mechanism 37, the gear backlash elimination mechanism 37 comprises a swing plate 371, a swing plate rotating shaft 372, a backlash elimination rotating shaft 373 and a tension spring 374, one end of the swing plate 371 is hinged on the horizontal mounting plate 31 through the swing plate rotating shaft 372, the backlash elimination rotating shaft 373 is arranged at the other end of the swing plate 371, one end of the tension spring 374 is connected with the backlash elimination rotating shaft 373, the other end of the tension spring 374 is fixed on the horizontal mounting plate 31, the horizontal rotation driving motor 35 is arranged on the swing plate 371, and the tension spring 374 pulls the swing plate 371 to enable the gear 342 arranged on the output shaft of the horizontal rotation driving motor 35 to be tightly attached to the sector gear 341.
And a sealing side plate 12 is arranged at the notch 11 of the cabin body 1. And sealing covers or ball covers are arranged at two ends of the cabin body 1. The outer side of the sealing side plate 12 is designed to be arc-shaped and is consistent with the outer diameter of the cabin body, a sealing ring is arranged between the sealing side plate 12 and the cabin body 1 and is fixedly connected with the cabin body through screws, so that the whole body is attractive, and the sealing performance is good. The screw thread joints in each mechanism are all glued and fastened, and each cone end set screw is all wrapped with a pit and glued and fastened, so that firm connection is ensured, and the performances such as reliability and the like are improved.
The horizontal rotation direction adjusting angle of the utility model can reach +/-40 degrees; the vertical pitching adjusting angle can reach +/-40 degrees; the diameter of the outer cylinder of the cabin body 1 can be smaller than 70mm, the whole structure is compact and small, and the deflection range of the horizontal and vertical rotation scanning angles is large.
When the utility model is used, the horizontal rotation driving motor 35 in the horizontal rotation swing mechanism 3 drives the horizontal rotation shaft 32 to rotate through the transition driving mechanism 34, so that the vertical rotation swing mechanism 4 and the lens component 2 thereon can follow the horizontal swing, and the vertical rotation driving motor 45 in the vertical rotation swing mechanism 4 drives the vertical rotation shaft 43 to rotate, so that the lens component 2 can follow the vertical swing; the horizontal encoder 36 and the vertical encoder 46 can feed back the rotational angle position of the rotating shaft in real time. The gear backlash eliminating mechanism 37 enables the gear 342 to be tightly attached to the sector gear 341 through the tension spring 374, so that the meshing clearance can be completely eliminated, and meanwhile, the transmission process of the transition driving mechanism 34 is ensured not to influence the transmission and feedback precision. The horizontal rotation driving motor 35 and the vertical rotation driving motor 45 may be stepping motors; the mounting positions of the horizontal rotation driving motor 35 and the horizontal encoder 36 and the vertical rotation driving motor 45 and the vertical encoder 46 may be interchanged as necessary.
The above only is the detailed implementation manner of the present invention, not limiting the patent scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A compact optical scanning tracking mechanism, characterized by: including the cabin body (1), lens subassembly (2), horizontal rotation swing mechanism (3) and vertical rotation swing mechanism (4), lens subassembly (2) are installed on vertical rotation swing mechanism (4), vertical rotation swing mechanism (4) are located on horizontal rotation swing mechanism (3), horizontal rotation swing mechanism (3) are located in the cabin body (1), by horizontal rotation swing mechanism (3) drive vertical rotation swing mechanism (4) and the last lens subassembly (2) horizontal hunting, by vertical rotation swing mechanism (4) drive lens subassembly (2) vertical oscillation.
2. A compact optical scan tracking mechanism according to claim 1, wherein: the vertical rotation swing mechanism (4) comprises a vertical rotation support (41), a lens mounting frame (42), a vertical rotation shaft (43), a vertical support bearing (44), a vertical rotation driving motor (45) and a vertical encoder (46), wherein the vertical rotation support (41) is rotatably supported in the horizontal rotation swing mechanism (3), the lens mounting frame (42) is used for mounting the lens assembly (2), two ends of the lens mounting frame (42) are supported in the vertical rotation support (41) through the vertical rotation shaft (43) and the vertical support bearing (44), one of the two ends is connected with the vertical rotation driving motor (45), and the other end is connected with the vertical encoder (46) through the vertical rotation shaft (43).
3. A compact optical scan tracking mechanism according to claim 2, wherein: the horizontal rotation swing mechanism (3) comprises horizontal mounting plates (31), a horizontal rotation shaft (32), a horizontal support bearing (33), a transition driving mechanism (34), a horizontal rotation driving motor (35) and a horizontal encoder (36), the two horizontal mounting plates (31) are arranged in gaps (11) at two sides of the cabin body (1), the two horizontal mounting plates (31) are respectively provided with one horizontal supporting bearing (33), the horizontal rotating shaft (32) is sleeved in the horizontal supporting bearing (33), one end of the horizontal rotating shaft (32) is connected with the vertical rotating bracket (41), one of the horizontal rotating shafts (32) is connected with the horizontal rotating driving motor (35) through the transition driving mechanism (34), and the other horizontal rotating shaft (32) is connected with the horizontal encoder (36) through the transition driving mechanism (34).
4. A compact optical scan tracking mechanism according to claim 3, wherein: the transition driving mechanism (34) comprises sector teeth (341) and a gear (342), the sector teeth (341) are arranged on the horizontal rotating shaft (32), and the gear (342) is respectively arranged on an output shaft of the horizontal rotating driving motor (35) or an input shaft of the horizontal encoder (36) and is in meshing transmission with the sector teeth (341).
5. A compact optical scan tracking mechanism according to claim 4, wherein: the horizontal rotation driving motor (35) is arranged on a gear anti-backlash mechanism (37), the gear backlash eliminating mechanism (37) comprises a swing plate (371), a swing plate rotating shaft (372), a backlash eliminating rotating shaft (373) and a tension spring (374), one end of the swing plate (371) is hinged on the horizontal mounting plate (31) through the swing plate rotating shaft (372), the other end of the swinging plate (371) is provided with the anti-backlash rotating shaft (373), one end of the tension spring (374) is connected with the anti-backlash rotating shaft (373), the other end of the tension spring (374) is fixed on the horizontal mounting plate (31), the horizontal rotation driving motor (35) is arranged on the swinging plate (371), and the gear (342) arranged on the output shaft of the horizontal rotation driving motor (35) is attached to the sector teeth (341) by pulling the swinging plate (371) by the tensioning spring (374).
6. A compact optical scan tracking mechanism according to claim 3, wherein: and a sealing side plate (12) is arranged at the notch (11) of the cabin body (1).
7. A compact optical scan tracking mechanism according to claim 1, wherein: two ends of the cabin body (1) are provided with sealing covers or ball covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120716254.9U CN214845763U (en) | 2021-04-08 | 2021-04-08 | Compact optical scanning tracking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120716254.9U CN214845763U (en) | 2021-04-08 | 2021-04-08 | Compact optical scanning tracking mechanism |
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| Publication Number | Publication Date |
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| CN214845763U true CN214845763U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120716254.9U Active CN214845763U (en) | 2021-04-08 | 2021-04-08 | Compact optical scanning tracking mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946668A (en) * | 2021-04-08 | 2021-06-11 | 福州市纳飞光电科技有限公司 | Compact optical scanning tracking mechanism |
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2021
- 2021-04-08 CN CN202120716254.9U patent/CN214845763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946668A (en) * | 2021-04-08 | 2021-06-11 | 福州市纳飞光电科技有限公司 | Compact optical scanning tracking mechanism |
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