CN201194057Y - Manual focusing video camera - Google Patents
Manual focusing video camera Download PDFInfo
- Publication number
- CN201194057Y CN201194057Y CNU2008200935555U CN200820093555U CN201194057Y CN 201194057 Y CN201194057 Y CN 201194057Y CN U2008200935555 U CNU2008200935555 U CN U2008200935555U CN 200820093555 U CN200820093555 U CN 200820093555U CN 201194057 Y CN201194057 Y CN 201194057Y
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- Prior art keywords
- focusing
- video camera
- knob
- driving gear
- lens
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Abstract
The utility model relates to a manual focusing video camera for solving the problem of high producing cost in automatic focusing video camera. The video camera comprises a zoom lens fixed on the bottom frame through a lens seat assembly, a zooming device and a focusing device having same structures. Both the zooming device and the focusing device comprise a driven gear mounted on the lens, a driving gear fixed on the bottom frame engaging with the driven gear and a knob connected with the shaft of the driving gear. The driven gear of the zooming device is installed on the zooming ring of the lens; the driven gear of the focusing device is installed on the focusing ring of the lens. The video camera in the utility model can be focused by manual through the knob to meet the demand of different monitoring sites and achieves a lower producing cost.
Description
Technical field
The utility model relates to a kind of video camera, more particularly, relates to a kind of manual focusing video camera.
Background technology
Mostly adopt fixed lens and Varifocal zoom lens in the existing video camera, focal length of camera is immutable or control by electric signal.On-the-spot in monitoring, required monitored scope is uncertain, and required lens focus also is uncertain, and therefore, for the video camera of existing fixed focal length, the camera lens of its fixed focal length can't satisfy the on-the-spot specific requirement of various monitoring; And, normally adopt electronic two variable lenses for the video camera that adopts Varifocal zoom lens, because the manufacturing cost height of electronic two variable lenses, therefore, for this type of pancratic video camera, its cost is higher, makes the user beyond affordability.
The utility model content
The technical problems to be solved in the utility model is, the monitoring demand that is difficult to satisfy different places at existing fixed focal length video camera, and the high problem of electric variable focus video camera manufacturing cost, and provide the manual focusing video camera of a kind of adjustable focal length and low cost of manufacture.
The technical scheme that its technical matters that solves the utility model adopts is: propose a kind of manual focusing video camera, comprise Varifocal zoom lens, described camera lens is installed on the lower supporter by the lens mount assembly, this video camera also comprises the identical zoom focus control of structure and focuses on focus control, described zoom focus control and focusing focus control include the follower gear that is installed on the camera lens, the driving gear that is installed in lower supporter and meshes with follower gear, the knob assembly that is connected with the axle of driving gear, the follower gear of wherein said zoom focus control is sleeved on the zoom focusing ring of camera lens, and the follower gear of described focusing focus control is sleeved on the focusing focusing ring of camera lens.
In manual focusing video camera described in the utility model, the driving gear fixed mount is installed on the described lower supporter, described driving gear fixed mount and lower supporter are provided with respectively the fixedly axis hole at driving gear rotating shaft two ends.
In manual focusing video camera described in the utility model, described driving gear and follower gear are pair of intersecting axle or alternating axis transmission gear.
In manual focusing video camera described in the utility model, described driving gear is the concurrent aces or the alternating axis transmission gear of a pair of vertical transmission with follower gear.
In manual focusing video camera described in the utility model, described manual focusing video camera also comprises housing, and described camera lens, lens mount assembly are fixed in the described housing by lower supporter, and described knob assembly reaches outside.
In manual focusing video camera described in the utility model, described knob assembly comprises focusing knob, focusing connecting rod, nut, described nut is screwed onto on the described housing, described focusing knob is positioned on the termination that nut is in hull outside, described focusing connecting rod is arranged in the mesopore of described nut, the one end is fixedlyed connected with the axle of driving gear, and the other end is fixedlyed connected with focusing knob.
In manual focusing video camera described in the utility model, be provided with waterproof grommet between described focusing knob and the nut.
In manual focusing video camera described in the utility model, the maximum outside diameter of the termination that described focusing connecting rod is connected with driving gear shaft is greater than the diameter of nut mesopore.
In manual focusing video camera described in the utility model, described knob assembly also comprises screw, described focusing knob middle part is provided with through hole, the termination that described focusing connecting rod is connected with focusing knob is provided with threaded hole, and described screw is fixedlyed connected focusing knob by the through hole at focusing knob middle part and the threaded hole of focusing knob termination with the focusing connecting rod.
In manual focusing video camera described in the utility model, be provided with waterproof grommet between described screw and the focusing knob.
Implement in the utility model the manual focusing video camera have following beneficial effect: video camera is by the zoom focus control and focus on focus control, can carry out the adjusting of zoom and focusing in the camera housing outside to camera lens, make video camera promptly satisfy the needs that adjustable focus satisfies the different monitoring place, have the characteristics of low cost of manufacture simultaneously again.In addition, the structure of the knob assembly in the focus control can make camera housing still keep good sealing property.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the exploded view of video camera among the utility model one embodiment;
Fig. 2 is the syndeton exploded view between camera lens in the video camera, focus control, lens mount assembly, the support;
Fig. 3 is the exploded view of knob assembly.
Embodiment
Present embodiment shows a kind of infrared camera of manual focusing, as shown in Figure 1, this kind video camera comprises housing, is positioned at the Varifocal zoom lens 20 of housing, reaches infrared LEDs lamp plate 12, and its middle shell comprises back cover 10 and protecgulum 11, and protecgulum 11 is fixed on infrared LEDs lamp plate 12 in the back cover.Camera lens 20 is fixed in the back cover 10 by lens mount assembly 31, lower supporter 32, this video camera also comprises zoom focus control 50 and focuses on focus control 40, wherein zoom focus control 50 comprise by screw retention be installed in the follower gear on the zoom focusing ring 22 51 on the camera lens, be installed in lower supporter 32 and with the driving gear 52 of follower gear 51 engagements, with the knob assembly 60 that spool is connected and reaches the back cover outside of driving gear 52.
As shown in Figure 2, driving gear fixed mount 33 is installed on the lower supporter 32, driving gear fixed mount 33 and lower supporter 32 are provided with respectively the fixedly axis hole 331,321 at driving gear rotating shaft two ends, and the axle of driving gear 52 passes lower supporter 32 back and is connected with the knob assembly 60 that reaches outside.
In the present embodiment, driving gear 52 is the concurrent aces transmission gear of a pair of vertical transmission with follower gear 51, in the specific implementation, also can be designed to a pair of alternating axis transmission gear.By the transmission of concurrent aces transmission gear, knob assembly can be arranged on the side of back cover, make things convenient for manufacturing and designing of video camera, also make things convenient for simultaneously and regulate in use.
In the present embodiment, as shown in Figure 3, knob assembly 60 comprises focusing knob 63, focusing connecting rod 61, nut 62, and nut 62 is installed on the back cover 10 by being threaded, and is provided with O-ring seal 68 between nut 62 and back cover 10.Focusing knob 63 is positioned on the termination that nut 62 is in back cover 10 outsides, and focusing connecting rod 61 is arranged in the mesopore 67 of nut 62, spool the fixedlying connected of one end and driving gear 52, and the other end is fixedlyed connected with focusing knob 63.Between focusing knob 63 and nut 62, be provided with waterproof grommet 66.By the sealing that O-ring seal 66 can strengthen housing is set, prevent that rainwater from entering into enclosure interior from the installation position of knob assembly 60 and influence the use of video camera.
In order to increase the strength of joint of focusing connecting rod 61 and focusing knob 63, be provided with through hole at focusing knob 63 middle parts, focusing connecting rod 61 is provided with threaded hole with the link that focusing knob 64 is connected, and screw 64 makes focusing knob 63 fixedly connected with focusing connecting rod 61 by the through hole at focusing knob 64 middle parts and the threaded hole of focusing knob 61 terminations.In order to prevent to focus the mutual rotation of generation between connecting rod 61 and the focusing knob 63, on focusing knob 63, be provided with the hole 631 of cydariform, insert for the focusing connecting rod.And between screw 64 and focusing knob 63, be provided with waterproof grommet 65, improve sealing.
In the present embodiment, the link that focusing connecting rod 61 is connected with the axle of driving gear 52 is provided with the hole 611 of cydariform, with driving gear 52 the axle the termination be complementary, for the axle of prevent to focus connecting rod 61 and driving gear 52 is separated, the maximum outside diameter of the termination that focusing connecting rod 61 is connected with the axle of driving gear 52 can play like this focusing connecting rod 61 is carried out spacing effect greater than the diameter of nut mesopore 67.
In the present embodiment, the structure that focuses on focus control 40 is identical with zoom focus control 50, and the follower gear 41 that just focuses on focus control is to be installed on the focusing focusing ring 21 of camera lens by screw retention.
In the present embodiment, video camera is by zoom focus control 50 and focus on focus control 40, can carry out zoom and focus adjustment to camera lens in the camera housing outside, make video camera promptly satisfy adjustable focus, have the characteristics of low cost of manufacture simultaneously again to adapt to the needs in different monitoring place.In addition, the hermetically-sealed construction of the knob assembly in the focus control can make camera housing still keep good sealing property.
Claims (10)
1. manual focusing video camera, comprise Varifocal zoom lens, described camera lens is installed on the lower supporter by the lens mount assembly, it is characterized in that: this video camera also comprises the identical zoom focus control of structure and focuses on focus control, described zoom focus control and focusing focus control include the follower gear that is installed on the camera lens, the driving gear that is installed in lower supporter and meshes with follower gear, the knob assembly that is connected with the axle of driving gear, the follower gear of wherein said zoom focus control is sleeved on the zoom focusing ring of camera lens, and the follower gear of described focusing focus control is sleeved on the focusing focusing ring of camera lens.
2. manual focusing video camera according to claim 1 is characterized in that: the driving gear fixed mount is installed on the described lower supporter, and described driving gear fixed mount and lower supporter are provided with respectively the fixedly axis hole at driving gear rotating shaft two ends.
3. manual focusing video camera according to claim 1 and 2 is characterized in that: described driving gear and follower gear are pair of intersecting axle or alternating axis transmission gear.
4. manual focusing video camera according to claim 3 is characterized in that: described driving gear is the concurrent aces or the alternating axis transmission gear of a pair of vertical transmission with follower gear.
5. according to each described manual focusing video camera among the claim 1-4, it is characterized in that: described manual focusing video camera also comprises housing, described camera lens, lens mount assembly are fixed in the described housing by lower supporter, and described knob assembly reaches outside.
6. manual focusing video camera according to claim 5, it is characterized in that: described knob assembly comprises focusing knob, focusing connecting rod, nut, described nut is screwed onto on the described housing, described focusing knob is positioned on the termination that nut is in hull outside, described focusing connecting rod is arranged in the mesopore of described nut, the one end is fixedlyed connected with the axle of driving gear, and the other end is fixedlyed connected with focusing knob.
7. manual focusing video camera according to claim 6 is characterized in that: be provided with waterproof grommet between described focusing knob and the nut.
8. manual focusing video camera according to claim 6 is characterized in that: the maximum outside diameter of the termination that described focusing connecting rod is connected with the axle of driving gear is greater than the diameter of nut mesopore.
9. manual focusing video camera according to claim 6, it is characterized in that: described knob assembly also comprises screw, described focusing knob middle part is provided with through hole, the termination that described focusing connecting rod is connected with focusing knob is provided with threaded hole, and described screw is fixedlyed connected focusing knob by the through hole at focusing knob middle part and the threaded hole of focusing knob termination with the focusing connecting rod.
10. manual focusing video camera according to claim 9 is characterized in that: be provided with waterproof grommet between described screw and the focusing knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200935555U CN201194057Y (en) | 2008-04-23 | 2008-04-23 | Manual focusing video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200935555U CN201194057Y (en) | 2008-04-23 | 2008-04-23 | Manual focusing video camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201194057Y true CN201194057Y (en) | 2009-02-11 |
Family
ID=40393589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200935555U Expired - Fee Related CN201194057Y (en) | 2008-04-23 | 2008-04-23 | Manual focusing video camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201194057Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231509A (en) * | 2016-03-23 | 2017-10-03 | 南京理工大学 | Camera automatic focusing, zoom lens control device |
| CN113452818A (en) * | 2021-06-29 | 2021-09-28 | 维沃移动通信（杭州）有限公司 | Electronic device |
-
2008
- 2008-04-23 CN CNU2008200935555U patent/CN201194057Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231509A (en) * | 2016-03-23 | 2017-10-03 | 南京理工大学 | Camera automatic focusing, zoom lens control device |
| CN113452818A (en) * | 2021-06-29 | 2021-09-28 | 维沃移动通信（杭州）有限公司 | Electronic device |
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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: SHENZHEN WANJIAAN IOT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN WANJIAAN INDUSTRIAL CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518109 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Hua Wang Lu Rui nuclear High-tech Industrial Park No. 3 building 2-3 Patentee after: SHENZHEN WANJIAAN IOT TECHNOLOGY CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Baoan District Longhua Zhen Hua Wang Lu Rui High-tech Industrial Park building three nuclear plant building 1-3 Patentee before: Shenzhen Wanjiaan Industrial Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20160423 |