CN214201914U - Camera lens focusing device - Google Patents
Camera lens focusing device Download PDFInfo
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- CN214201914U CN214201914U CN202022919472.0U CN202022919472U CN214201914U CN 214201914 U CN214201914 U CN 214201914U CN 202022919472 U CN202022919472 U CN 202022919472U CN 214201914 U CN214201914 U CN 214201914U
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- adjusting
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- connecting rod
- camera lens
- zoom
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Abstract
The utility model relates to a camera lens focusing device, include the bottom plate, be fixed in first connecting plate and second connecting plate on the bottom plate, spacing fixing first connecting plate with camera lens, the cover of zooming between the second connecting plate are established locking knob, the cover of camera lens one end of zooming are established zoom gear on the camera lens of zooming and with the gear adjusting device that zoom gear is connected, gear adjusting device includes first adjusting connecting rod, second adjusting connecting rod and is located respectively coarse adjusting gear and fine adjusting gear and focusing knob on first adjusting connecting rod, the second adjusting connecting rod. The utility model discloses a camera lens focusing device cooperatees through locking knob and fine tuning knob, can be more convenient and meticulous focus through the camera lens that can zoom adjusts the camera lens that can zoom, changes the monitoring range of camera, simple structure, and the cost is lower, is fit for promoting on a large scale.
Description
Technical Field
The utility model belongs to the technical field of the camera focusing, concretely relates to camera lens focusing device.
Background
Most of the existing cameras adopt a fixed lens and a variable-focus lens, and the focal length of the camera is not variable or is controlled by an electric signal. In a monitoring site, the range to be monitored is uncertain, and the focal length of a required lens is also uncertain, so that the fixed focal length lens of the existing camera cannot meet the specific requirements of various monitoring sites; however, for a camera using a zoom lens, an electric two-variable lens is generally used, and since the manufacturing cost of the electric two-variable lens is high, the manufacturing cost of the camera using the zoom lens is high, which makes the camera difficult to accept by users.
Disclosure of Invention
An object of the utility model is to overcome the defect that the current fixed focus camera that exists is difficult to satisfy the control demand in different places among the prior art, provide a camera lens focusing device to the realization zooms and the regulation of focusing to the camera lens in camera housing outside, make the camera satisfy the needs that can focus and satisfy different control places promptly.
In order to achieve the purpose, the technical scheme of the application is as follows:
a camera lens focusing device is used for being connected with a camera and focusing the camera lens, and comprises a bottom plate, a first connecting plate and a second connecting plate which are fixed on the bottom plate, a zoom lens which is fixed between the first connecting plate and the second connecting plate in a limiting way, a locking knob which is sleeved at one end of the zoom lens, a zoom gear which is sleeved on the zoom lens, and a gear adjusting device which is connected with the zoom gear, wherein the gear adjusting device comprises a first adjusting connecting rod, a second adjusting connecting rod, a rough adjusting gear, a fine adjusting gear and a focusing knob which are respectively positioned on the first adjusting connecting rod and the second adjusting connecting rod, two ends of the first adjusting connecting rod and the second adjusting connecting rod are respectively fixedly connected with the first connecting plate and the second connecting plate, and the first adjusting connecting rod is positioned between the second adjusting connecting rod and the zoom lens, the diameter of the rough adjusting gear on the first adjusting connecting rod is larger than that of the fine adjusting gear on the second adjusting connecting rod, the rough adjusting gear is meshed with the fine adjusting gear and the zoom gear respectively, and one end of the second adjusting connecting rod penetrates through the first connecting plate and is fixedly connected with the focusing knob.
The preferable technical scheme is as follows:
according to the camera lens focusing device, the locking knob is a gear knob with a locking device, and the locking knob is sleeved on the focusing ring at one end of the zoom lens.
According to the camera lens focusing device, the zooming gear is sleeved on the zooming focusing ring of the zoom lens.
The camera lens focusing device further comprises a shell, the bottom plate is fixed to the bottom of the inner side of the shell, and the fine adjustment gear and the coarse adjustment gear extend out of the shell.
Compared with the prior art, the technical scheme contained in the application at least has the following technical effects:
the utility model discloses a camera lens focusing device is provided with and can focuses on respectively and the locking knob and the accurate adjustment knob of focus accurate adjustment to the camera lens of zooming, cooperatees through locking knob and accurate adjustment knob, can be more convenient and meticulous adjust the focus of the camera lens of zooming through the camera lens of zooming, changes the monitoring range of camera, and simple structure is suitable for, convenient, and the cost is lower, is fit for promoting on a large scale.
Drawings
Fig. 1 is a schematic diagram of an external structure of a camera lens focusing apparatus according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a camera lens focusing apparatus of the present invention;
wherein, 1, a bottom plate; 2. a first connecting plate; 3. a second connecting plate; 4. a zoom lens; 5. locking the knob; 6. a zoom gear; 7. a first adjusting link; 8. a second adjusting link; 9. coarse gear adjustment; 10. finely adjusting the gear; 11. a focusing knob; 12. a housing.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-2, fig. 1 is a schematic diagram of an external structure of a camera lens focusing device according to an embodiment of the present invention, and fig. 2 is a schematic diagram of an internal structure of a camera lens focusing device according to an embodiment of the present invention.
The camera lens focusing device of this embodiment for be connected with the camera, and focus to the camera lens, including shell 12, be fixed in bottom plate 1, the fixing in of the inboard bottom of shell 12 first connecting plate 2 and second connecting plate 3, spacing fixing on the bottom plate 1 first connecting plate 2 with camera lens 4, the cover of zooming between the second connecting plate 3 are established the locking knob 5, the cover of camera lens 4 one end of zooming are established zoom gear 6 on the camera lens 4 of zooming and with the gear adjusting device that zoom gear 6 is connected, first connecting plate 2 with still be provided with the dead lever of connecting the two between the second connecting plate 3, the dead lever plays the effect that improves device structural stability.
For the zoom lens 4, one end of the zoom lens 4 is provided with a focusing ring for connecting with a locking knob 5, the locking knob 5 is a common gear knob with a locking device in the prior art, such as a ratchet wheel locking knob 5, and the locking knob 5 can be sleeved on the focusing ring to finish coarse adjustment of the focal length of the lens; for the zoom lens 4, a zoom focusing ring is further disposed in the middle of the zoom lens 4, and is used for being connected with a gear adjusting device for fine adjustment.
The camera lens focusing device comprises a locking knob 5 and a focusing knob 11, wherein the locking knob 5 and the focusing knob 11 are used for respectively focusing and finely adjusting the focus of a zoom lens 4, and are matched with each other through the locking knob 5 and the focusing knob 11, so that the focus of the zoom lens 4 can be more conveniently and finely adjusted, the monitoring range of a camera is changed, and the camera lens focusing device is simple in structure, convenient to use, low in manufacturing cost and suitable for large-scale popularization.
Specifically, the gear adjusting device comprises a first adjusting connecting rod 7, a second adjusting connecting rod 8, a rough adjusting gear 9 and a fine adjusting gear 10 which are respectively arranged on the first adjusting connecting rod 7 and the second adjusting connecting rod 8, and a focusing knob 11, two ends of the first adjusting connecting rod 7 and the second adjusting connecting rod 8 are respectively and fixedly connected with the first connecting plate 2 and the second connecting plate 3, the first adjusting link 7 is located between the second adjusting link 8 and the variable focal lens 4, the diameter of the rough adjusting gear 9 on the first adjusting connecting rod 7 is larger than that of the fine adjusting gear 10 on the second adjusting connecting rod 8, and the rough adjusting gear 9 is respectively meshed with the fine adjusting gear 10 and the zoom gear 6, one end of the second adjusting link 8 passes through the first connecting plate 2 and is fixedly connected with the focusing knob 11.
For convenience of use, the fine adjustment gear 10 and the coarse adjustment gear 9 both protrude outside the housing 12.
The use method of the camera lens focusing device comprises the following steps:
under the conventional situation, a user can directly drive the focusing ring on the zoom lens 4 to rotate through rotating the locking knob 5 to complete focusing on the camera lens, when the camera needs to be finely adjusted, the focusing knob 11 can be rotated, the focusing knob 11 drives the fine adjustment gear 10 to rotate, and through meshing between the fine adjustment gear 10 and the coarse adjustment gear 9, the focusing ring on the zoom lens 4 is driven to rotate to complete fine adjustment of the focal length of the camera lens.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (4)
1. A camera lens focusing device is used for being connected with a camera and focusing the camera lens, and comprises a bottom plate, a first connecting plate and a second connecting plate which are fixed on the bottom plate, a zoom lens which is limited and fixed between the first connecting plate and the second connecting plate, a locking knob which is sleeved at one end of the zoom lens, a zoom gear which is sleeved on the zoom lens, and a gear adjusting device which is connected with the zoom gear, and is characterized in that the gear adjusting device comprises a first adjusting connecting rod, a second adjusting connecting rod, a rough adjusting gear and a fine adjusting gear which are respectively positioned on the first adjusting connecting rod and the second adjusting connecting rod, and a focusing knob, wherein two ends of the first adjusting connecting rod and the second adjusting connecting rod are respectively and fixedly connected with the first connecting plate and the second connecting plate, the first adjusting connecting rod is located between the second adjusting connecting rod and the zoom lens, the diameter of a coarse adjusting gear on the first adjusting connecting rod is larger than that of a fine adjusting gear on the second adjusting connecting rod, the coarse adjusting gear is meshed with the fine adjusting gear and the zoom gear respectively, and one end of the second adjusting connecting rod penetrates through the first connecting plate and is fixedly connected with the focus knob.
2. A focusing mechanism for a camera lens according to claim 1, wherein the locking knob is a gear knob with a locking mechanism, and the locking knob is fitted over a focusing ring at one end of the variable focus lens.
3. A camera lens focusing arrangement according to claim 1, wherein the zoom gear is mounted on a zoom ring of the variable focus lens.
4. A camera lens focusing apparatus according to claim 1, further comprising a housing, wherein the base plate is fixed to an inside bottom of the housing, and the fine adjustment gear and the coarse adjustment gear both extend outside the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022919472.0U CN214201914U (en) | 2020-12-08 | 2020-12-08 | Camera lens focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022919472.0U CN214201914U (en) | 2020-12-08 | 2020-12-08 | Camera lens focusing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201914U true CN214201914U (en) | 2021-09-14 |
Family
ID=77650465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022919472.0U Active CN214201914U (en) | 2020-12-08 | 2020-12-08 | Camera lens focusing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214201914U (en) |
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2020
- 2020-12-08 CN CN202022919472.0U patent/CN214201914U/en active Active
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