CN208188457U - Lens focusing structure and projection arrangement - Google Patents
Lens focusing structure and projection arrangement Download PDFInfo
- Publication number
- CN208188457U CN208188457U CN201820639348.9U CN201820639348U CN208188457U CN 208188457 U CN208188457 U CN 208188457U CN 201820639348 U CN201820639348 U CN 201820639348U CN 208188457 U CN208188457 U CN 208188457U
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- CN
- China
- Prior art keywords
- positioning column
- screw
- focusing structure
- regulating
- lens focusing
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of lens focusing structure, and for adjusting displacement of the camera lens on shooting path, the lens focusing structure includes regulating mechanism, including adjustment axis, the regulating part and outwardly extending positioning column that can rotate around the adjustment axis；Connector is fixedly connected on the camera lens and is movably connected on the regulating part；Positioning knob, including screw axis and can around it is described screw axis rotation screw part, the side of the screw part towards the regulating part offers locating slot, the locating slot be located on it is described screw axial screw shape annular groove, the positioning column is located in the locating slot and can drive the regulating part rotation with the rotation of the screw part.The shift length that positioning column described in the utility model drives the arc length that rotates in a circumferential direction of the regulating part radial in the screw part equal to the positioning column, improves focusing accuracy, and motion process is smooth, is not in stress mutation, therefore avoid hysterisis error.
Description
Technical field
The utility model belongs to technical field of communication equipment more particularly to a kind of lens focusing structure and projection arrangement.
Background technique
In existing photography or projection arrangement, zoom lens is indispensable a part, in order to obtain preferably
Imaging effect, lens focus allow for being adjusted as required, realize that the module of zoom function is focusing structure, main
For adjusting the position of image-forming module, the figure for guaranteeing that zoom lens is presented is steady and audible.
Common focusing structure is focuses by gear mechanism on the market, but the high production cost of gear mechanism,
There are hysterisis errors, influence focusing accuracy to a certain extent.
Utility model content
The purpose of this utility model is to provide a kind of lens focusing structures, it is intended to solve the backhaul focused in the prior art
Error is big, the technical problem of focusing accuracy difference.
The utility model is realized in this way a kind of lens focusing structure, for adjusting position of the camera lens on shooting path
It moves, the lens focusing structure includes,
Regulating mechanism, the regulating mechanism include adjustment axis, are sheathed on the adjustment axis and can turn around the adjustment axis
Dynamic regulating part and it is fixedly connected on the regulating part side and outwardly extending positioning column, the axial direction of the adjustment axis and institute
The shooting path direction for stating camera lens is vertical, and the extending direction of the positioning column is axial parallel with the adjustment axis；
Connector, the connector are fixedly connected on the camera lens and are movably connected on the regulating part, the connector
It is subjected to displacement on shooting path direction with the rotation of the regulating part along the camera lens；
Positioning knob, the positioning knob include screwing axis and being sheathed on described to screw axis and can screw axis around described
The screw part of rotation, the screw part are located at the side equipped with the positioning column of the regulating part, and the screw part is towards institute
The side for stating regulating part offers locating slot, and the deposition path of the locating slot is helical form, and it is described fixed that the positioning column is located at
The regulating part can be driven to rotate in the slot of position and with the rotation of the screw part.
The utility model compared with the existing technology have the technical effect that the utility model by rotating the screw part, makes
It obtains the positioning column to move along the deposition path of the locating slot, the positioning column drives the arc length that rotates in a circumferential direction of the regulating part
The shift length radial in the screw part equal to the positioning column, therefore, the positioning column are able to drive the regulating part
Minor rotation is carried out, and then drives the connector being flexibly connected with the regulating part mobile, the connector and the camera lens are solid
Fixed connection, that is to say, that user can make the camera lens carry out on the shooting path by rotating the screw part
Micro movement, improves focusing accuracy, since the positioning column is during along the movement of the deposition path of the locating slot
What is be subject to is the radial pressure that applies to it of cell wall of the locating slot, and motion process is smooth, is not in stress mutation, therefore
Avoid hysterisis error.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, below will to the utility model embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings described below is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of lens focusing structure provided by the embodiment of the utility model, wherein includes in figure
There is camera lens；
Fig. 2 is the explosive view of lens focusing structure provided by the embodiment of the utility model.
Description of symbols:
100, lens focusing structure；110, regulating mechanism；111, adjustment axis；112, regulating part；113, positioning column；114, block
Buckle structure；1141, the first clamping part；1142, the second clamping part；115, through-hole；120, positioning knob；121, axis is screwed；122,
Screw part；123, anti-slip part；124, locating slot；130, connector；200, camera lens
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " on ", "lower", " radial direction ", " axial direction ", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.
Fig. 1 to Fig. 2 is please referred to, the utility model provides a kind of lens focusing structure 100, is clapping for adjusting camera lens 200
The displacement on path is taken the photograph, the lens focusing structure 100 includes,
Regulating mechanism 110, the regulating mechanism 110 include adjustment axis 111, are sheathed on the adjustment axis 111 and can be around
The regulating part 112 and be fixedly connected on 112 side of regulating part and outwardly extending positioning column that the adjustment axis 111 rotates
113, the axial direction of the adjustment axis 111 is vertical with the shooting path direction of the camera lens 200, the extending direction of the positioning column with
The axial direction of the adjustment axis is parallel；
Connector 130, the connector 130 are fixedly connected on the camera lens 200 and are movably connected on the regulating part
112, the connector 130 occurs on shooting path direction with the rotation of the regulating part 112 along the camera lens 200
Displacement；
Positioning knob 120, the positioning knob 120 include screwing axis 121 and being sheathed on described to screw axis 121 and can
Around the screw part 122 for screwing the rotation of axis 121, the screw part 122 be located at the regulating part 112 equipped with the positioning column
113 side, the side of the screw part 122 towards the regulating part 112 offer locating slot 124, the locating slot 124
Deposition path is helical form, and the positioning column 113 is located in the locating slot 124 and can turn with the screw part 122
It moves and the regulating part 112 is driven to rotate.
The utility model is by rotating the screw part 122, so that cloth of the positioning column 113 along the locating slot 124
Path movement is set, the positioning column 113 drives the arc length that rotates in a circumferential direction of the regulating part 112 equal to the positioning column 113 in institute
Shift length radial in screw part 122 is stated, therefore, the positioning column 113 is able to that the regulating part 112 is driven to carry out micro turn
It is dynamic, and then drive the connector 130 being flexibly connected with the regulating part 112 mobile, the connector 130 and the camera lens 200
It is fixedly connected, that is to say, that user can make the camera lens 200 on the shooting road by rotating the screw part 122
Micro movement is carried out on diameter, improves focusing accuracy, since the positioning column 113 is in the deposition path along the locating slot 124
Movement during be subject to be the locating slot 124 cell wall radial pressure that it is applied, motion process is smooth, will not
There is stress mutation, therefore avoids hysterisis error.
Fig. 1 to Fig. 2 is please referred to, further, the regulating mechanism 110 is that there are two the shuttle shape at tip, the positioning for tool
Column 113 is located at a tip of the regulating mechanism 110, and shuttle shape structure saves space, the regulating mechanism 110 is avoided to exist
It collides in rotary course, save the cost.
Referring to FIG. 2, further, the regulating mechanism 110 further includes being fixedly connected on the regulating part 112 simultaneously outward
The buckle structure 114 of extension, the buckle structure 114 have through-hole 115, and the connector 130 is arranged in the through-hole 115
It is interior.Preferably, there are surpluses between the hole wall of the through-hole 115 and the outer wall of the connector 130, to guarantee the regulating part
112 connectors 130 described in drive 114 rotation process of buckle structure are able to drive the camera lens 200 and move along a straight line
And it is unlikely to bend.
Fig. 1 to Fig. 2 is please referred to, further, the buckle structure 114 is located at the another described of the regulating mechanism 110
Tip, to save space and not interfere the rotation of the regulating part 112.To further increase the adjusting essence of the utility model
Degree need to only shorten the distance between the buckle structure 114 and described adjustment axis 111.
Referring to FIG. 2, further, the buckle structure 114 includes the first clamping part 1141 and second being oppositely arranged
Clamping part 1142, first clamping part 1141 surround the through-hole 115 with second clamping part 1142.Preferably, described
First clamping part 1141 is that elastically-deformable elastic component can occur with second clamping part 1142, can be alleviated so described
Connector 130 is able to drive during the camera lens 200 moves along a straight line to bending caused by the buckle structure 114.
Fig. 1 to Fig. 2 is please referred to, further, the positioning column 113 is cylindrical, the radial slot of the locating slot 124
The wide radical length with the positioning column 113 is adapted, to reduce the screw part 122 in deflecting rotary course to described fixed
The mutation power that position column 113 applies, and then reduce hysterisis error.
Fig. 1 to Fig. 2 is please referred to, further, the screw part 122 is annular shape, in order to torquing operations, saves operation
Space.
Fig. 1 to Fig. 2 is please referred to, further, the screw part 122 further includes the anti-slip part 123 set on its periphery wall, with
It is screwed convenient for user.
Fig. 1 to Fig. 2 is please referred to, further, the anti-slip part 123 includes the periphery wall for being located on the screw part 122
And the double wedge arranged at equal intervals, the double wedge increase the frictional force for the process of screwing, and are more convenient for screwing.
The utility model embodiment also provides a kind of projection arrangement, including at least shell, is connected to the shell and is equipped with
The photographic device of the camera lens 200 and lens focusing structure 100 as described above, the adjustment axis 111 screw axis with described
121 are fixedly connected on the shell, and the shell offers the handle hole for operating the screw part 122.The projection dress
Set with the structure feature having the same of lens focusing structure 100 in the various embodiments described above, and role is identical, does not go to live in the household of one's in-laws on getting married herein
It states.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of lens focusing structure, for adjusting displacement of the camera lens on shooting path, which is characterized in that the lens focusing
Structure includes,
Regulating mechanism, the regulating mechanism include adjustment axis, are sheathed on the adjustment axis and can rotate around the adjustment axis
Regulating part and it is fixedly connected on the regulating part side and outwardly extending positioning column, the axial direction of the adjustment axis and the mirror
The shooting path direction of head is vertical, and the extending direction of the positioning column is axial parallel with the adjustment axis；
Connector, the connector are fixedly connected on the camera lens and are movably connected on the regulating part, the connector with
The rotation of the regulating part and along the camera lens shooting path direction on be subjected to displacement；
Positioning knob, the positioning knob include screwing axis and being sheathed on described to screw axis and can screw axis rotation around described
Screw part, the screw part is located at the side equipped with the positioning column of the regulating part, and the screw part is towards the tune
The side of section part offers locating slot, and the deposition path of the locating slot is helical form, and the positioning column is located at the locating slot
It is interior and the regulating part can be driven to rotate with the rotation of the screw part.
2. lens focusing structure as described in claim 1, which is characterized in that the regulating mechanism is that there are two the shuttles at tip for tool
Shape, the positioning column are located at a tip of the regulating mechanism.
3. lens focusing structure as claimed in claim 2, which is characterized in that the regulating mechanism further includes being fixedly connected on institute
Regulating part and outwardly extending buckle structure are stated, the buckle structure has through-hole, and the connector is arranged in the through-hole.
4. lens focusing structure as claimed in claim 3, which is characterized in that the buckle structure is located at the regulating mechanism
Another tip.
5. lens focusing structure as claimed in claim 3, which is characterized in that the buckle structure includes first be oppositely arranged
Buckle and the second buckle, first buckle surround the through-hole with second buckle.
6. such as lens focusing structure described in any one of claim 1 to 5, which is characterized in that the positioning column is cylindrical,
The radial groove width of the locating slot is adapted with the radical length of the positioning column.
7. such as lens focusing structure described in any one of claim 1 to 5, which is characterized in that the screw part is annular shape.
8. such as lens focusing structure described in any one of claim 1 to 5, which is characterized in that the screw part further includes being set to
The anti-slip part of its periphery wall.
9. lens focusing structure as claimed in claim 8, which is characterized in that the anti-slip part includes being located on the screw part
Periphery wall and the double wedge arranged at equal intervals.
10. a kind of projection arrangement, which is characterized in that including at least shell, be connected to the shell and be equipped with taking the photograph for the camera lens
As device and lens focusing structure as described in any one of claim 1 to 9, the adjustment axis and the axis that screws fix company
It is connected to the shell, the shell offers the handle hole for operating the screw part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639348.9U CN208188457U (en) | 2018-04-28 | 2018-04-28 | Lens focusing structure and projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639348.9U CN208188457U (en) | 2018-04-28 | 2018-04-28 | Lens focusing structure and projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208188457U true CN208188457U (en) | 2018-12-04 |
Family
ID=64431963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820639348.9U Expired - Fee Related CN208188457U (en) | 2018-04-28 | 2018-04-28 | Lens focusing structure and projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208188457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633860A (en) * | 2019-01-22 | 2019-04-16 | 成都市极米科技有限公司 | Automatically adjust method, lens position adjusting device and the projector of lens location |
| CN112437282A (en) * | 2020-08-18 | 2021-03-02 | 深圳市安华光电技术有限公司 | Image definition adjusting method and device and DLP projector |
-
2018
- 2018-04-28 CN CN201820639348.9U patent/CN208188457U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633860A (en) * | 2019-01-22 | 2019-04-16 | 成都市极米科技有限公司 | Automatically adjust method, lens position adjusting device and the projector of lens location |
| CN112437282A (en) * | 2020-08-18 | 2021-03-02 | 深圳市安华光电技术有限公司 | Image definition adjusting method and device and DLP projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20181204 Termination date: 20190428 |