CN203535362U - Lens holder and video camera device - Google Patents
Lens holder and video camera device Download PDFInfo
- Publication number
- CN203535362U CN203535362U CN201320631175.3U CN201320631175U CN203535362U CN 203535362 U CN203535362 U CN 203535362U CN 201320631175 U CN201320631175 U CN 201320631175U CN 203535362 U CN203535362 U CN 203535362U
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- China
- Prior art keywords
- containing cavities
- lens mount
- optical filter
- switching mechanism
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is applicable to the video camera field. The utility model discloses a lens holder. A side of the lens holder is provided with a storage chamber for storing an optical filter switching mechanism. The storage chamber communicates with a through hole. The cross-sectional area of the storage chamber is greater than that of the through hole, and a step structure is formed at a connecting portion between the storage chamber and the through hole. A side of the storage chamber is provided with a fixing column for fixing the lens holder. In assembly, a face and some or all sides of the optical filter switching mechanism are in contact with the bottom and the side of the storage chamber, the optical filter switching mechanism and the storage chamber are matched with a matched position being L-shaped, and the light at a side of a lens cannot be leaked from between the optical filter switching mechanism and the lens holder even if a gap exists between the matching surface. Meanwhile, when being matched with the lens holder, the optical filter switching mechanism is partially embedded in the lens holder, so that the thickness of the lens holder when being matched with the optical filter switching mechanism is reduced and miniaturization of the video camera device is facilitated.
Description
Technical field
The utility model relates to video control techniques field, particularly a kind of lens mount and video shooting device that is adapted to the video camera of day and night.
Background technology
The formations such as existing Digital Video lens mount and induction chip and imaging circuit thereof.Light projects on induction chip by camera lens on lens mount, then by induction chip and peripheral imaging circuit, the electric signal being produced by light is converted to corresponding figure and exports.Due to video camera, in particular for the light on the monitored place of video camera daytime of monitoring purposes and the photochromic difference at night, the image effect of output is bad.In order to obtain better image effect, conventionally at the optical filter switching mechanism that can automatically switch optical filter that is provided with of lens mount and induction chip, realize between IR-cut low pass filter and full spectrum optical glass sheet and switching.
Between the lens mount of existing Digital Video and optical filter switching mechanism, it is Plane Installation, owing to being subject to work to add the impact of craft precision, between the surface of contact that lens mount coordinates with optical filter switching mechanism, there is tiny gap, and then part light is appeared from the gap between lens mount and optical filter switching mechanism, form light leakage phenomena., due to lens mount and the same optical axis of optical filter switching mechanism, when coordinating, be simultaneously stack cooperation, make on optical axis direction thicklyer, affect the further miniaturization of Digital Video.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of lens mount and video shooting device, in the time of can avoiding lens mount to coordinate with optical filter switching mechanism, at contact position, there is light leakage phenomena in this lens mount and video shooting device, thickness while simultaneously reducing lens mount and optical filter switching mechanism installation on optical axis direction, the volume of reduction video shooting device.
In order to address the above problem, the utility model provides a kind of lens mount, this lens mount one side is provided with fixed part, the through hole of being located at lens mount middle part runs through fixed part, the through-hole side wall that is positioned at fixed part is provided with the screw thread coordinating with camera lens, opposite side at this lens mount is provided with for taking in the containing cavities of optical filter switching mechanism, this containing cavities is communicated with through hole, the sectional area of described containing cavities is greater than the sectional area of through hole, and at containing cavities and through hole junction, form ledge structure, described containing cavities one side is provided with the fixed leg for fixed mirror headstock.
Say further, in described fixed leg, be provided with the copper post with accurate thread.
The utility model also provides a kind of video shooting device, this video shooting device comprises with the lens mount of camera lens with the circuit board of induction chip and imaging circuit, between lens mount and circuit board, be provided with optical filter switching mechanism, this lens mount one side is provided with fixed part, the through hole of being located at lens mount middle part runs through fixed part, the through-hole side wall that is positioned at fixed part is provided with the screw thread coordinating with camera lens, the opposite side of this lens mount is provided with for taking in the containing cavities of optical filter switching mechanism, this containing cavities is communicated with through hole, the sectional area of described containing cavities is greater than the sectional area of through hole, and form ledge structure at containing cavities and through hole junction, described containing cavities one side is provided with the fixed leg for fixed mirror headstock, described optical filter switching mechanism, lens mount and camera lens are same optical axis.
Say further, the bottom of described containing cavities is plane, itself and optical filter switching mechanism mating surface plane contact, and the side of this containing cavities contacts with the lateral plane of optical filter switching mechanism.
Say further, the Yu Qi bottom surface, side of described containing cavities is vertical.
Say further, described lens mount is provided with the fixed leg that is installed on circuit board, is provided with the copper post with accurate thread in this fixed leg.
The utility model lens mount, in one side, be provided with for taking in the containing cavities of optical filter switching mechanism, this containing cavities is communicated with through hole, the sectional area of described containing cavities is greater than the sectional area of through hole, and at containing cavities and through hole junction, form ledge structure, described containing cavities one side is provided with the fixed leg for fixed mirror headstock.During assembling, described optical filter switching mechanism one side is contacted and contacts side surfaces with the bottom of containing cavities with part or all of side, after coordinating between optical filter switching mechanism and containing cavities, cooperation position is L-shaped, even if be subject to the impact of processing technology, when mating surface between the two exists gap, at the light of camera lens one side, also cannot between optical filter switching mechanism and lens mount, spill.While coordinating with lens mount due to optical filter switching mechanism, partly imbed in lens mount, thickness when lens mount is coordinated with optical filter switching mechanism reduces, and is conducive to the volume miniaturization of video shooting device simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, and accompanying drawing in describing is embodiment more of the present utility model, to those skilled in the art, do not paying under the prerequisite of creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the utility model video shooting device example structure decomposing schematic representation.
Fig. 2 is along A-A direction sectional structure schematic diagram in Fig. 1.
Below in conjunction with embodiment, and with reference to accompanying drawing, the realization of the utility model object, functional characteristics and advantage are described further.
Embodiment
In order to make object, technical scheme and the advantage of utility model clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope that the utility model is protected.
As shown in Figure 1, the utility model proposes a kind of lens mount embodiment.
These lens mount 1 one sides are provided with fixed part 2, the through hole 5 of being located at lens mount 1 middle part runs through fixed part 2, through hole 5 sidewalls that are positioned at fixed part 2 are provided with the screw thread 4 coordinating with camera lens, the opposite side of this lens mount 1 is provided with for taking in the containing cavities 3 of optical filter switching mechanism, this containing cavities 3 is communicated with through hole 5, the sectional area of described containing cavities 3 is greater than the sectional area of through hole 5, and forms ledge structure in its junction, in described containing cavities 3 one sides, is provided with the fixed leg for fixed mirror headstock 1.
Specifically, the bottom of described containing cavities 3 is plane, itself and optical filter switching mechanism mating surface plane contact, and the side of this containing cavities 3 contacts with the lateral plane of optical filter switching mechanism, at mating surface, forms L structure.The Yu Qi bottom surface, side of described containing cavities is vertical, better facilitates moulding and assembling.In described fixed leg, be provided with the copper post with accurate thread.
During assembling, described optical filter switching mechanism one side is contacted and contacts side surfaces with the bottom of containing cavities with part or all of side, after coordinating between optical filter switching mechanism and containing cavities, cooperation position is L-shaped, even if be subject to the impact of processing technology, when mating surface between the two exists gap, at the light of camera lens one side, also cannot between optical filter switching mechanism and lens mount, spill.While coordinating with lens mount due to optical filter switching mechanism, partly imbed in lens mount, thickness when lens mount is coordinated with optical filter switching mechanism reduces, and is conducive to the volume miniaturization of video shooting device simultaneously.
The utility model also provides a kind of video shooting device on the basis of above-described embodiment, this video shooting device comprises: with the lens mount 1 of camera lens with the circuit board of induction chip and imaging circuit, between lens mount 1 and circuit board, be provided with optical filter switching mechanism, these lens mount 1 one sides are provided with fixed part 2, the through hole 5 of being located at lens mount 1 middle part runs through fixed part 2, through hole 5 sidewalls that are positioned at fixed part 2 are provided with the screw thread 4 coordinating with camera lens, the opposite side of this lens mount 1 is provided with for taking in the containing cavities 3 of optical filter switching mechanism, this containing cavities 3 is communicated with through hole 5, the sectional area of described containing cavities 3 is greater than the sectional area of through hole 5, in containing cavities 3 and through hole 5 junctions, form ledge structure, described containing cavities 3 one sides are provided with the fixed leg 6 for fixed mirror headstock, described optical filter switching mechanism, lens mount and camera lens are same optical axis.
Specifically, the bottom of described containing cavities 3 is plane, itself and optical filter switching mechanism mating surface plane contact, and the side of this containing cavities 3 contacts with the lateral plane of optical filter switching mechanism, at mating surface, forms L structure.The Yu Qi bottom surface, side of described containing cavities is vertical, better facilitates moulding and assembling.At the bottom of described camera lens, be provided with through hole, this through-hole wall is provided with the screw thread coordinating with camera lens.
In described fixed leg 6, be provided with close clearly threaded column, due to the copper post being provided with in fixed leg with accurate thread, more smooth when lens mount is installed, more easily regulate optical axis concentric.
During assembling, described optical filter switching mechanism one side is contacted and contacts side surfaces with the bottom of containing cavities with part or all of side, after coordinating between optical filter switching mechanism and containing cavities 3, cooperation position is L-shaped, even if be subject to the impact of processing technology, when mating surface between the two exists gap, at the light of camera lens one side, also cannot between optical filter switching mechanism and lens mount, spill.While coordinating with lens mount due to optical filter switching mechanism, partly imbed in lens mount, thickness when lens mount is coordinated with optical filter switching mechanism reduces, and is conducive to the volume miniaturization of video shooting device simultaneously.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a lens mount, is provided with fixed part in one side, and the through hole of being located at lens mount middle part runs through fixed part, and the through-hole side wall that is positioned at fixed part is provided with the screw thread coordinating with camera lens, it is characterized in that:
The opposite side of this lens mount is provided with for taking in the containing cavities of optical filter switching mechanism, this containing cavities is communicated with through hole, the sectional area of described containing cavities is greater than the sectional area of through hole, and at containing cavities and through hole junction, form ledge structure, described containing cavities one side is provided with the fixed leg for fixed mirror headstock.
2. lens mount according to claim 1, is characterized in that:
In described fixed leg, be provided with the copper post with accurate thread.
3. a video shooting device, comprise with the lens mount of camera lens with the circuit board of induction chip and imaging circuit, between lens mount and circuit board, be provided with optical filter switching mechanism, this lens mount one side is provided with fixed part, the through hole of being located at lens mount middle part runs through fixed part, the through-hole side wall that is positioned at fixed part is provided with the screw thread coordinating with camera lens, it is characterized in that:
The opposite side of this lens mount is provided with for taking in the containing cavities of optical filter switching mechanism, this containing cavities is communicated with through hole, the sectional area of described containing cavities is greater than the sectional area of through hole, and form ledge structure at containing cavities and through hole junction, described containing cavities one side is provided with the fixed leg for fixed mirror headstock, and described optical filter switching mechanism, lens mount and camera lens are same optical axis.
4. video shooting device according to claim 3, is characterized in that:
The bottom of described containing cavities is plane, itself and optical filter switching mechanism mating surface plane contact, and the side of this containing cavities contacts with the lateral plane of optical filter switching mechanism.
5. according to video shooting device described in claim 3 or 4, it is characterized in that:
The Yu Qi bottom surface, side of described containing cavities is vertical.
6. according to video shooting device described in claim 3 or 4, it is characterized in that:
Described lens mount is provided with the fixed leg that is installed on circuit board, is provided with the copper post with accurate thread in this fixed leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631175.3U CN203535362U (en) | 2013-09-30 | 2013-09-30 | Lens holder and video camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631175.3U CN203535362U (en) | 2013-09-30 | 2013-09-30 | Lens holder and video camera device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535362U true CN203535362U (en) | 2014-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320631175.3U Expired - Fee Related CN203535362U (en) | 2013-09-30 | 2013-09-30 | Lens holder and video camera device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569375A (en) * | 2016-11-04 | 2017-04-19 | 六安市奇盟光电科技有限公司 | Integrated lens structure |
-
2013
- 2013-09-30 CN CN201320631175.3U patent/CN203535362U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569375A (en) * | 2016-11-04 | 2017-04-19 | 六安市奇盟光电科技有限公司 | Integrated lens structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20160930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |