CN204241746U - A kind of driving of camera lens and self-locking mechanism - Google Patents
A kind of driving of camera lens and self-locking mechanism Download PDFInfo
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- CN204241746U CN204241746U CN201420773260.8U CN201420773260U CN204241746U CN 204241746 U CN204241746 U CN 204241746U CN 201420773260 U CN201420773260 U CN 201420773260U CN 204241746 U CN204241746 U CN 204241746U
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- driving
- camera lens
- locking mechanism
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Abstract
The utility model discloses a kind of driving and self-locking mechanism of camera lens, the main points of its technical scheme comprise the group of stability be fixed on camera lens, group of stability is provided with guide pole, the zoom group that can move back and forth along described guide pole is provided with in the side of group of stability, the driving and self-locking mechanism that drive zoom group motion is provided with between zoom group and described group of stability, described driving mechanism comprises the motor be fixed on described group of stability, the drive screw be connected with motor output shaft and the group's coupling assembling being located at zoom group or for it being connected with drive screw on the group that focuses, described self-locking mechanism comprises and engaging and the self-locking nut be fixedly connected with described contiguous block with transmission nut external thread.The utility model by increasing self-locking nut on transmission nut, makes zoom group and focusing group can self-locking after moving to assigned address, makes zoom group and focusing group when being subject to foreign impacts because the protection of self-locking nut can not depart from forward or backward again.
Description
[technical field]
The utility model relates to a kind of mechanical mechanism of monitoring camera, especially relates to a kind of driving and self-locking mechanism of monitoring camera.
[background technology]
Existing monitoring camera generally only has driving mechanism, there is no self-locking mechanism, the precision of transmission can only be ensured, the stability after zoom group and focusing group stopping can not being ensured, do not have the camera lens of self-locking mechanism, when camera lens is subject to suddenly foreign impacts power time, zoom group and focusing group can slide on motor driven screw rod with transmission nut, the position of zoom group and focusing group can be caused to depart from, thus the precision affecting camera lens even may cause the damage of camera lens.
[utility model content]
The utility model object overcomes the deficiencies in the prior art, provides a kind of and not only have the mechanism that driving mechanism can also can realize the monitoring camera of self-locking after arriving assigned address.
The utility model is achieved through the following technical solutions:
A kind of driving of camera lens and self-locking mechanism, comprise the group of stability 1 be fixed on camera lens, described group of stability 1 is provided with guide pole 2, the zoom group 3 that can move back and forth along described guide pole 2 is provided with in the side of described group of stability 1, the driving and self-locking mechanism that drive described zoom group 3 to move is provided with between described zoom group 3 and described group of stability 1, the focusing group 4 that can move back and forth along described guide pole 2 is provided with at the opposite side of described group of stability 1, also another driving and self-locking mechanism of driving focusing group 4 to move is provided with between described zoom group 3 and described group of stability 1, described driving mechanism comprises the motor 5 be fixed on described group of stability 1, the drive screw 6 be connected with motor 5 output shaft and the group's coupling assembling be located at for it is connected with drive screw 6 on described zoom group 3 or the group 4 that focuses, described group's coupling assembling comprises contiguous block 7 and is enclosed within the transmission nut 8 be connected on described drive screw 6 and with described contiguous block 7, described self-locking mechanism comprises and engaging and the self-locking nut 9 be fixedly connected with described contiguous block 7 with described transmission nut 8 external thread.
The driving of camera lens described above and self-locking mechanism, described zoom group 3 and focusing group 4 are equipped with for described guide pole 2 through with the orientating box 13 of guiding, described contiguous block 7 is located on described orientating box 13, described contiguous block 7 comprises two pieces of parallel web joints be fixed on orientating box 13, two described web joints are provided with two relative connecting holes 11, the lower end of described transmission nut 8 is provided with the connecting hole 11 of insertion described in connection two with the connecting link 801 fixing with described contiguous block 7, described self-locking nut 9 is provided with the internal thread engaging with described transmission nut 8 external thread and prevent camera lens to be moved by zoom group during foreign impacts 3 and group 4 position of focusing.
The driving of camera lens described above and self-locking mechanism, the upper end of described transmission nut 8 is provided with the U-shaped opening 805 coordinated with described drive screw 6, in described U-shaped opening 805, side is provided with the main thread 802 with the screw-threaded engagement on described drive screw 6, opposite side in described U-shaped opening 805 is provided with elasticity thread 803, and described elasticity thread 803 both sides are provided with the secondary thread 804 for correcting.
The driving of camera lens described above and self-locking mechanism, the orientating box 13 on described zoom group 3 is integrated part with described zoom group 3, and the orientating box 13 on described focusing group 4 is integrated part with the described group 4 that focuses.
The driving of camera lens described above and self-locking mechanism, described connecting link 801 stretches out described connecting hole 11 by that end of described group of stability 1, and the lower end of described self-locking nut 9 is provided with the slot be connected with described connecting link 801 extension.
The driving of camera lens described above and self-locking mechanism, described contiguous block 7 is provided with plug 12, and the lower end of described self-locking nut 9 is provided with the slot be connected with described plug 12.
Lens driving as above and self-locking mechanism, the both sides of described contiguous block 7 are provided with the self-locking nut 9 described in two, and described connecting link 801 other end also stretches out described connecting hole 11 and is connected with the slot of another self-locking nut 9.
The driving of camera lens described above and self-locking mechanism, the both sides of described contiguous block 7 are provided with the self-locking nut 9 described in two, the plug 12 that the slot that the both sides of described contiguous block 7 are respectively equipped with the described self-locking nut 9 with two is connected.
The driving of camera lens described above and self-locking mechanism, on described orientating box 13 and group of stability 1, correspondence is provided with between angle button 14, two jiaos of buttons 14 and is connected with extension spring 15.
Lens driving as above and self-locking mechanism, described transmission nut 8 is made up of plastic cement material, and described elasticity thread 803 and described secondary thread 804 are not at grade.
Compared with prior art, the utility model has the following advantages:
1, the driving of the utility model camera lens and self-locking mechanism by increasing self-locking nut on transmission nut; make zoom group and focusing group can self-locking after moving to assigned address; zoom group can not be departed from forward or backward with the protection of focusing group when being subject to foreign impacts because of self-locking nut again, ensure that the stability after zoom group and focusing group stopping.
2, the utility model self-locking nut arranges an internal thread be engaged with drive screw external thread by upper end, lower end and contiguous block are connected and fix with zoom group or the group that focuses, thus realize auto-lock function, can move with transmission nut again when drive screw rotates simultaneously, structure is simple, and practicality is very strong.
3, the driving of the utility model camera lens and self-locking mechanism except self-locking nut is set also at zoom group and group of stability, be also provided with extension spring between focusing group and group of stability, further ensure zoom group and focusing group stop after stability.
4, transmission nut volume of the present utility model is little, more easily meet the structural design of Zoom optic lens, for the structural design of camera lens saves space, adopt U-shaped hatch frame simultaneously, the processing of convenient more fine pitch size and less form of thread, improve the quality of fit of pass on Gong nut and drive screw, the position of Zoom optic lens is moved more careful, more accurate, improve the optical property of whole Zoom optic lens.
[accompanying drawing explanation]
Fig. 1 is the utility model stereographic map;
Fig. 2 is the utility model exploded view;
Fig. 3 is the stereographic map of the utility model transmission nut;
Fig. 4 is the stereographic map of the transmission of the utility model camera lens and self-locking structure embodiment one;
Fig. 5 is the stereographic map of the transmission of the utility model camera lens and self-locking structure embodiment two;
Fig. 6 is the stereographic map of the transmission of the utility model camera lens and self-locking structure embodiment three;
Fig. 7 is the stereographic map of the transmission of the utility model camera lens and self-locking structure embodiment four.
In figure; 1 is group of stability; 2 is guide pole; 3 is zoom group; 4 is focusing group; 5 is motor; 6 is drive screw; 7 is contiguous block; 8 is transmission nut; 801 is connecting link; 802 is main thread; 803 is elasticity thread; 804 is secondary thread; 805 is U-shaped opening; 9 is self-locking nut; 10 is internal thread; 11 is connecting hole; 12 is plug; 13 is orientating box; 14 is angle button; 15 is extension spring; 16 is screw via hole.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is further described:
A kind of driving of camera lens and self-locking mechanism, comprise the group of stability 1 be fixed on camera lens, described group of stability 1 is provided with guide pole 2, the zoom group 3 that can move back and forth along described guide pole 2 is provided with in the side of described group of stability 1, the driving and self-locking mechanism that drive described zoom group 3 to move is provided with between described zoom group 3 and described group of stability 1, the focusing group 4 that can move back and forth along described guide pole 2 is provided with at the opposite side of described group of stability 1, also another driving and self-locking mechanism of driving focusing group 4 to move is provided with between described zoom group 3 and described group of stability 1, described driving mechanism comprises the motor 5 be fixed on described group of stability 1, the drive screw 6 be connected with motor 5 output shaft and the group's coupling assembling be located at for it is connected with drive screw 6 on described zoom group 3 or the group 4 that focuses, described group's coupling assembling comprises contiguous block 7 and is enclosed within the transmission nut 8 be connected on described drive screw 6 and with described contiguous block 7, described self-locking mechanism comprises and engaging and the self-locking nut 9 be fixedly connected with described contiguous block 7 with described transmission nut 8 external thread.
Described zoom group 3 and focusing group 4 are equipped with for described guide pole 2 through with the orientating box 13 of guiding, described contiguous block 7 is located on described orientating box 13, described contiguous block 7 comprises two pieces of parallel web joints be fixed on orientating box 13, two described web joints are provided with two relative connecting holes 11, the lower end of described transmission nut 8 is provided with the connecting hole 11 of insertion described in connection two with the connecting link 801 fixing with described contiguous block 7, described self-locking nut 9 is provided with the internal thread engaging with described transmission nut 8 external thread and prevent camera lens to be moved by zoom group during foreign impacts 3 and group 4 position of focusing, as shown in Figure 2.
The driving of the utility model camera lens and self-locking mechanism by increasing self-locking nut 9 on transmission nut; make zoom group 3 and focusing group 4 can self-locking after moving to assigned address; and be all provided with self-locking nut 9 in the both sides of contiguous block 7; zoom group 3 can not be departed from forward or backward with the protection of focusing group 4 when being subject to foreign impacts power because of self-locking nut again, ensure that the stability after zoom group 3 and focusing group 4 stopping.
The upper end of described transmission nut 8 is provided with the U-shaped opening 805 coordinated with described drive screw 6, in described U-shaped opening 805, side is provided with the main thread 802 with the screw-threaded engagement on described drive screw 6, opposite side in described U-shaped opening 805 is provided with elasticity thread 803, and described elasticity thread 803 both sides are provided with the secondary thread 804 for correcting.
Described transmission nut 8 is made up of plastic cement material, and described elasticity thread 803 and described secondary thread 804 are not at grade.
Described transmission nut 8 is compared with the transmission nut of common whole circle screwed tooth structure, the transmission nut of common whole circle screwed tooth structure adopts the straight mode demoulding, need rotation limit, thread limit to retreat during depanning, the friction force be subject to during the demoulding is very large, easily causes thread profile coarse; In addition, if thread sizes is too small, the resistance that the thread demoulding is subject to can be larger, causes being difficult to the demoulding.And it is high to generally for raising plastic cement transmission nut precision, need to adopt undersized screwed tooth structure.
Plastic cement transmission nut 8 of the present utility model, volume is little, precision is high, worked in coordination with drive screw 6 by the main thread 802 of both sides in U-shaped opening 805 and elasticity thread 803, compared with whole circle thread contact, decrease the surface of contact of main thread 802 and elasticity thread 803 and drive screw 6, reduce the degree of wear of main thread 802 and elasticity thread 803 simultaneously, improve the serviceable life of transmission nut 8, ensure that transmission accuracy.In transmission process, effectively alleviated the vibration of drive screw 6 and transmission nut 8 generation by elasticity thread 803, reduce the mutual wearing and tearing between drive screw 6 and transmission nut 8, improve the stability of the optical property of whole Zoom optic lens.
Self-locking structure of the present utility model has following four embodiments.
Embodiment one: described connecting link 801 stretches out described connecting hole 11 by that end of described group of stability 1, and the lower end of described self-locking nut 9 is provided with the slot be connected with described connecting link 801 extension.As shown in Figure 5, be provided with self-locking nut 9 at described contiguous block 7 by motor 5 side and connected by connecting link 801.
Embodiment two: described contiguous block 7 is provided with plug 12, the lower end of described self-locking nut 9 is provided with the slot be connected with described plug 12, as shown in Figure 4, is provided with self-locking nut 9 at described contiguous block 7 and is connected by plug 12 by motor 5 side.
Embodiment three: the both sides of described contiguous block 7 are provided with the self-locking nut 9 described in two, described connecting link 801 other end also stretches out described connecting hole 11 and is connected with the slot of another self-locking nut 9, as shown in Figure 6.
Embodiment four: the both sides of described contiguous block 7 are provided with the self-locking nut 9 described in two, the plug 12 that the slot that the both sides of described contiguous block 7 are respectively equipped with the described self-locking nut 9 with two is connected, as shown in Figure 7.
On described orientating box 13 and group of stability 1, correspondence is provided with between angle button 14, two jiaos of buttons 14 and is connected with extension spring 15, further ensure zoom group 3 and focusing group 4 stop after stability.
The utility model be respectively equipped with in the both sides of described group of stability 1 a zoom group 3 and one focusing group 4, can certainly be provided with multiple zoom group 3 or focusing group 4, its transmission and self-locking structure identical.
Embodiment described in the utility model is only the description carried out preferred implementation of the present utility model; not utility model design and scope are limited; under the prerequisite not departing from the utility model design philosophy; the various modification that in this area, engineering technical personnel make the technical solution of the utility model and improvement, all should fall into protection domain of the present utility model.
Claims (10)
1. the driving of a camera lens and self-locking mechanism, it is characterized in that: comprise the group of stability (1) be fixed on camera lens, described group of stability (1) is provided with guide pole (2), the zoom group (3) that can move back and forth along described guide pole (2) is provided with in the side of described group of stability (1), the driving and self-locking mechanism that drive described zoom group (3) to move is provided with between described zoom group (3) and described group of stability (1), the focusing group (4) that can move back and forth along described guide pole (2) is provided with at the opposite side of described group of stability (1), also another driving and self-locking mechanism of driving focusing group (4) to move is provided with between described zoom group (3) and described group of stability (1), described driving mechanism comprises the motor (5) be fixed on described group of stability (1), the drive screw (6) be connected with motor (5) output shaft and the group's coupling assembling be located at for it is connected with drive screw (6) on described zoom group (3) or the group (4) that focuses, described group's coupling assembling comprises contiguous block (7) and is enclosed within described drive screw (6) to be gone up and the transmission nut (8) be connected with described contiguous block (7), described self-locking mechanism comprises and engaging and the self-locking nut (9) be fixedly connected with described contiguous block (7) with described transmission nut (8) external thread.
2. the driving of camera lens and self-locking mechanism according to claim 1, it is characterized in that: described zoom group (3) and focusing group (4) are equipped with for described guide pole (2) through with the orientating box (13) of guiding, described contiguous block (7) is located on described orientating box (13), described contiguous block (7) comprises two pieces of parallel web joints be fixed on orientating box (13), two described web joints are provided with two relative connecting holes (11), the lower end of described transmission nut (8) is provided with the connecting hole (11) of insertion described in connection two with the connecting link (801) fixing with described contiguous block (7), described self-locking nut (9) is provided with the internal thread engaging with described transmission nut (8) external thread and prevent camera lens to be moved by zoom group (3) during foreign impacts and group (4) position of focusing.
3. the driving of camera lens and self-locking mechanism according to claim 2, it is characterized in that: the upper end of described transmission nut (8) is provided with the U-shaped opening (805) coordinated with described drive screw (6), the interior side of described U-shaped opening (805) is provided with the main thread (802) with the screw-threaded engagement on described drive screw (6), opposite side in described U-shaped opening (805) is provided with elasticity thread (803), and described elasticity thread (803) both sides are provided with the secondary thread (804) for correcting.
4. the driving of camera lens and self-locking mechanism according to claim 3, it is characterized in that: the orientating box (13) on described zoom group (3) and described zoom group (3) are integrated part, the orientating box (13) on described focusing group (4) and the described group (4) that focuses are integrated part.
5. the driving of camera lens and self-locking mechanism according to any one of claim 2 to 4, it is characterized in that: described connecting link (801) stretches out described connecting hole (11) by that end of described group of stability (1), the lower end of described self-locking nut (9) is provided with the slot be connected with described connecting link (801) extension.
6. the driving of camera lens and self-locking mechanism according to any one of claim 2 to 4, it is characterized in that: described contiguous block (7) is provided with plug (12), the lower end of described self-locking nut (9) is provided with the slot be connected with described plug (12).
7. the driving of camera lens according to claim 5 and self-locking mechanism, it is characterized in that: the both sides of described contiguous block (7) are provided with the self-locking nut (9) described in two, and described connecting link (801) other end also stretches out described connecting hole (11) and is connected with the slot of another self-locking nut (9).
8. the driving of camera lens and self-locking mechanism according to claim 6, it is characterized in that: the both sides of described contiguous block (7) are provided with the self-locking nut (9) described in two, the both sides of described contiguous block (7) are respectively equipped with the plug (12) be connected with the slot of two described self-locking nuts (9).
9. the driving of camera lens and self-locking mechanism according to claim 4, it is characterized in that: described orientating box (13) and the upper correspondence of group of stability (1) are provided with angle button (14), are connected with extension spring (15) between two jiaos of buttons (14).
10. the driving of camera lens and self-locking mechanism according to claim 3, it is characterized in that: described transmission nut (8) is made up of plastic cement material, described elasticity thread (803) and described secondary thread (804) are not at grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773260.8U CN204241746U (en) | 2014-12-09 | 2014-12-09 | A kind of driving of camera lens and self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773260.8U CN204241746U (en) | 2014-12-09 | 2014-12-09 | A kind of driving of camera lens and self-locking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204241746U true CN204241746U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420773260.8U Active CN204241746U (en) | 2014-12-09 | 2014-12-09 | A kind of driving of camera lens and self-locking mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635314A (en) * | 2014-12-09 | 2015-05-20 | 中山联合光电科技有限公司 | Driving and auto-locking mechanism of lens |
| CN111208620A (en) * | 2020-03-19 | 2020-05-29 | 北华航天工业学院 | Zoom lens for visual inspection |
-
2014
- 2014-12-09 CN CN201420773260.8U patent/CN204241746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635314A (en) * | 2014-12-09 | 2015-05-20 | 中山联合光电科技有限公司 | Driving and auto-locking mechanism of lens |
| CN111208620A (en) * | 2020-03-19 | 2020-05-29 | 北华航天工业学院 | Zoom lens for visual inspection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGSHAN LIANHE PHOTOELECTRIC TECHNOLOGY CO., LTD Free format text: FORMER NAME: ZHONGSHAN UNION OPTIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee after: Zhong Shan joint opto-electronic Science and Technology Co., Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee before: Union Optech (Zhongshan) Co., Ltd. |