CN203759337U - Lens mount and screwing device of lens mount and lens - Google Patents

Lens mount and screwing device of lens mount and lens Download PDF

Info

Publication number
CN203759337U
CN203759337U CN201420178319.9U CN201420178319U CN203759337U CN 203759337 U CN203759337 U CN 203759337U CN 201420178319 U CN201420178319 U CN 201420178319U CN 203759337 U CN203759337 U CN 203759337U
Authority
CN
China
Prior art keywords
lens mount
internal thread
lens
camera lens
convex tendon
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 - Lifetime
Application number
CN201420178319.9U
Other languages
Chinese (zh)
Inventor
彭中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201420178319.9U priority Critical patent/CN203759337U/en
Application granted granted Critical
Publication of CN203759337U publication Critical patent/CN203759337U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Structure And Mechanism Of Cameras (AREA)

Abstract

The utility model relates to a lens mount and a screwing device of the lens mount and the a lens. The lens mount comprises an inner cylindrical hole matched with a threaded column where the lens is mounted. The screwing guide-in port of the inner wall of the inner cylindrical hole is provided with guide-in inner threads. The screwing angle of the guide-in inner threads is not larger than 360 degrees. The diameter and interval of the guide-in inner threads are matched with the diameter and the interval of the outer threads on the threaded column. One or more protruding ribs parallel with the axial direction are disposed on the inner wall of the inner cylindrical wall. The incircle between every two protruding ribs or between the protruding ribs and the inner wall of the inner cylindrical hole is equal to or smaller than the outer diameter of the outer threads of the threaded column, so that when the threaded column is matched with the lens mount, the protruding ribs are tightly matched with or in interference fit with the outer threads of the threaded column. By the structure, perpendicularity between the lens and the lens mount is increased. In addition, the lens mount is suitable for large-scale production and convenient to mount, and production cost is saved.

Description

The screw-closure device of a kind of lens mount and lens mount and camera lens
Technical field
This novel imaging equipment technical field that relates to, refers in particular to that a kind of wringing fit, verticality are high, injection moulding or the die casting screw-closure device of a kind of lens mount and lens mount and camera lens easily.
Background technology
At present, in imaging equipment technical field, the universal component of the inside is camera lens and lens mount, and wherein camera lens is fixed in threaded post, and lens mount has threaded hole, and both are threaded and coordinate and focus in both screw process up and down; In actual use, to will be arranged on the threaded post of camera lens in the threaded hole of lens mount, need to set the size coordinating, but all can there is mismachining tolerance in product in the time of tapping or injection mo(u)lding, in industry, common way is: the thread size of internal thread need to be made to plus tolerance, thread size on double-screw bolt is made to minus tolerance, like this, both ability threaded engagement; Due to the cooperation of camera lens and lens mount to meet following some: one, verticality wants high, and the crooked meeting of camera lens causes a part of figure of imaging fuzzy; Two, both need wringing fit, due to the error of internal thread and external thread diameter, make spiral coordinate double-screw bolt and threaded hole between have slight rocking, existing solution way is 1, by arranging in side after a positioning screw hole focuses, screw rod is withstood, but this way can make the stress point of double-screw bolt be arranged on one side causes double-screw bolt in the process run-off the straight of withstanding, and has affected the verticality between camera lens and lens mount; 2, in camera lens threaded post, pre-install a clamp ring, focus rear derotation clamp ring and fix, but this way can make the stressed rear lens of double-screw bolt have slight displacement, affect the back focal length of camera lens and affect the sharpness of image, also increase cost of labor simultaneously; 3, camera lens focus rear with some glue method fix, but this method be not easy to maintenance;
In order to overcome the above problems, prior art can only do one's utmost to improve the precision of screw thread, and a kind of way is by precision equipment, and the internal thread hole that metal material is made carries out tapping; Another kind of way is to make precision die and use precision equipment injection mo(u)lding, the precision that improves screw thread on lens mount threaded hole core rod, after moulding, along screw thread rotation delivery, these two kinds of structures all need to expend very high cost, complex manufacturing, is not suitable for large-scale production.
Summary of the invention
This novel object be exactly a kind of verticality proposing for the weak point of above-mentioned situation high, possess location non-loosening, and be applicable to large-scale production and employing new construction lens mount easy to use and the screw-closure device of camera lens and lens mount.
For achieving the above object, this novel technical scheme is: a kind of lens mount, include: the interior cylindrical hole coordinating with the threaded post that camera lens is housed, the introducing port that screws of described interior cylindrical hole inwall is provided with importing internal thread, the angle that screws that imports internal thread is less than or equal to 360 degree, import the diameter of internal thread and spacing respectively with the threaded post of camera lens is housed on externally threaded diameter and spacing match, on the inwall of described interior cylindrical hole, be also provided with the one or multi-channel axial convex tendon bar that is parallel to, described convex tendon bar is positioned at the below of described importing internal thread, incircle between described convex tendon bar or between described convex tendon bar and described interior cylindrical hole inwall is equal to or less than in the threaded post that camera lens is housed externally threaded external diameter and makes in the time the threaded post of camera lens is housed coordinates with lens mount spiral, described convex tendon bar and the external thread wringing fit or the interference fit that are equipped with in the threaded post of camera lens.
Described importing internal thread is that continuous internal thread forms.
Described importing internal thread is that multistage interval internal thread forms.
Described importing internal thread screw angle within the scope of 30 degree-360 degree.
Described convex tendon bar the best is three or three and is distributed on above interior cylindrical hole inwall.
Described lens mount by two core rod matched moulds after the pumping mode moulding respectively from two ends after integrated injection molding or die casting, on one of them core rod, there is the part of described importing internal thread, on another core rod, there is another part and the described convex tendon bar of described importing internal thread.
The spacing of described importing internal thread equals to be equipped with the externally threaded spacing in the threaded post of camera lens.
Described convex tendon bar is that cross section is circular arc type or polygonal vertical bar.
The screw-closure device of a kind of lens mount and camera lens, include: threaded post and described lens mount that camera lens is housed, when assembling, the threaded post that camera lens is housed is entered in described interior cylindrical hole by the importing internal thread spiral on lens mount, and described convex tendon bar and the external thread wringing fit or the interference fit that are equipped with in the threaded post of camera lens.
Adopt after said structure, this is novel by the importing internal thread that is not more than a circle is set on lens mount, make can enter in the internal thread hole of lens mount by importing internal thread spiral with the threaded post of camera lens, realize again the close-fitting installation of camera lens and lens mount by the wringing fit between the external thread in convex tendon bar and threaded post or interference fit, overcome conventional lenses and lens mount and had the loosening deviation of thread pitch, also omitted and between conventional lenses and lens mount, needed installation side nut, locking clamp ring or some glue carry out the problem of fastening location, improve the verticality between camera lens and lens mount, be applicable to large-scale production and be convenient to maintenance, thereby raising product quality, reduce costs.
Brief description of the drawings
Fig. 1 is the perspective view of this new embodiment lens mount;
Fig. 2 is the stereo decomposing structural representation one of this new embodiment camera lens and lens mount and wiring board;
Fig. 3 is the stereo decomposing structural representation two of this new embodiment camera lens and lens mount and wiring board;
Fig. 4 is the schematic diagram of the convex tendon bar fit system one in this novel lens external thread and lens mount;
Fig. 5 is the schematic diagram of the convex tendon bar fit system two in this novel lens external thread and lens mount.
Embodiment
Below in conjunction with accompanying drawing 1-5, this novel embodiment is described in further details.
A kind of lens mount that this is novel, include: the interior cylindrical hole 21 coordinating with the threaded post 12 that camera lens 11 is housed, the introducing port that screws of described interior cylindrical hole 21 inwalls is provided with importing internal thread 21a, the angle that screws that imports internal thread 21a is less than or equal to 360 degree, import the diameter of internal thread 21a and spacing respectively with the threaded post 12 of camera lens 11 is housed on externally threaded diameter and spacing match, on the inwall of described interior cylindrical hole 21, be also provided with the one or multi-channel axial convex tendon bar 21b that is parallel to, described convex tendon bar 21b is positioned at the below of described importing internal thread 21a, incircle between described convex tendon bar 21b or between described convex tendon bar 21b and described interior cylindrical hole 21 inwalls is equal to or less than in the threaded post 12 that camera lens 11 is housed externally threaded external diameter and makes in the time the threaded post 12 of camera lens 11 is housed coordinates with lens mount 20 spirals, described convex tendon bar 21b and the external thread wringing fit or the interference fit that are equipped with in the threaded post 12 of camera lens 11.
Described importing internal thread 21a is that continuous internal thread forms.
Described importing internal thread 21a is that multistage interval internal thread forms.
Described importing internal thread 21a screws angle within the scope of 30 degree-360 degree.
As shown in Figure 4, described convex tendon bar 21b the best is three or three and is distributed on above interior cylindrical hole 21 inwalls.
As shown in Figure 5, described convex tendon bar 21b be only one one-body molded on interior cylindrical hole 21 inwalls.
Described lens mount 20 by two core rod matched moulds after the pumping mode moulding respectively from two ends after integrated injection molding die casting, on one of them core rod, there is a part of described importing internal thread 21a, on another core rod, there is another part and the described convex tendon bar 21b of described importing internal thread 21a.
The spacing of described importing internal thread 21a equals to be equipped with the externally threaded spacing in the threaded post 12 of camera lens 11.
Described convex tendon bar 21b is that cross section is circular arc or polygonal vertical bar.
As shown in Figure 2, the screw-closure device of a kind of lens mount 20 and camera lens, include: threaded post 12 and described lens mount 20 that camera lens 11 is housed, when assembling, the threaded post 12 that camera lens 11 is housed is entered in described interior cylindrical hole 21 by the importing internal thread 21a spiral on lens mount 20, and described convex tendon bar 21b and the external thread wringing fit or the interference fit that are equipped with in the threaded post 12 of camera lens 11.On lens mount 20, also have lens mount base 22, when assembling, lens mount base 22 is screwed and is connected with wiring board 30, has imager chip 31 on wiring board 30.
When installation, the threaded post with camera lens 11 12 can be entered in the internal thread hole 21 of lens mount by importing internal thread 21a spiral, this step plays guide effect, can also adjust the relative position between camera lens 11 and lens mount 20 and imager chip 31, then the wringing fit between the convex tendon bar 21b in lens mount 20 and the external thread in threaded post 12 or interference fit realize camera lens 11 and the close-fitting of lens mount 20 and install that automatically to have realized between camera lens 11 and lens mount 20 maintenance vertical and locate, overcome conventional lenses 11 and had the loosening deviation of thread pitch with lens mount 20, also having omitted between conventional lenses 11 and lens mount 20 needs the various work such as installation side nut to carry out the problem of fastening location, improve the verticality between camera lens 11 and lens mount 20, and then realize and improved the verticality between camera lens 11 and imager chip 31.Be applicable to large-scale production and be convenient to install, saved the production cost of product.

Claims (9)

1. a lens mount, include: the interior cylindrical hole coordinating with the threaded post that camera lens is housed, it is characterized in that: the introducing port that screws of described interior cylindrical hole inwall is provided with importing internal thread, the angle that screws that imports internal thread is less than or equal to 360 degree, import the diameter of internal thread and spacing respectively with the threaded post of camera lens is housed on externally threaded diameter and spacing match, on the inwall of described interior cylindrical hole, be also provided with the one or multi-channel axial convex tendon bar that is parallel to, described convex tendon bar is positioned at the below of described importing internal thread, incircle between described convex tendon bar or between described convex tendon bar and described interior cylindrical hole inwall is equal to or less than in the threaded post that camera lens is housed externally threaded external diameter and makes in the time the threaded post of camera lens is housed coordinates with lens mount spiral, described convex tendon bar and the external thread interference fit being equipped with in the threaded post of camera lens.
2. a kind of lens mount according to claim 1, is characterized in that: described importing internal thread is that continuous internal thread forms.
3. a kind of lens mount according to claim 1, is characterized in that: described importing internal thread is that multistage interval internal thread forms.
4. a kind of lens mount according to claim 1, is characterized in that: described importing internal thread screw angle within the scope of 30 degree-360 degree.
5. a kind of lens mount according to claim 1, is characterized in that: described convex tendon bar the best is three or three and is distributed on above interior cylindrical hole inwall.
6. a kind of lens mount according to claim 1, it is characterized in that: described lens mount by two core rod matched moulds after the pumping mode moulding respectively from two ends after integrated injection molding or die casting, on one of them core rod, there is a part for described importing internal thread, on another core rod, there is another part and the described convex tendon bar of described importing internal thread.
7. a kind of lens mount according to claim 1, is characterized in that: the spacing of described importing internal thread equals to be equipped with the externally threaded spacing in the threaded post of camera lens.
8. a kind of lens mount according to claim 1, is characterized in that: described convex tendon bar is that cross section is circular arc type or polygonal vertical bar.
9. the screw-closure device of a claim 1-8 any one lens mount and camera lens, include: threaded post and described lens mount that camera lens is housed, when assembling, the threaded post that camera lens is housed is entered in described interior cylindrical hole by the importing internal thread spiral on lens mount, and described convex tendon bar and the external thread wringing fit or the interference fit that are equipped with in the threaded post of camera lens.
CN201420178319.9U 2014-04-14 2014-04-14 Lens mount and screwing device of lens mount and lens Expired - Lifetime CN203759337U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420178319.9U CN203759337U (en) 2014-04-14 2014-04-14 Lens mount and screwing device of lens mount and lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420178319.9U CN203759337U (en) 2014-04-14 2014-04-14 Lens mount and screwing device of lens mount and lens

Publications (1)

Publication Number Publication Date
CN203759337U true CN203759337U (en) 2014-08-06

Family

ID=51254592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420178319.9U Expired - Lifetime CN203759337U (en) 2014-04-14 2014-04-14 Lens mount and screwing device of lens mount and lens

Country Status (1)

Country Link
CN (1) CN203759337U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103913810A (en) * 2014-04-14 2014-07-09 彭中 Lens mount and screwing device of lens mount and lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103913810A (en) * 2014-04-14 2014-07-09 彭中 Lens mount and screwing device of lens mount and lens

Similar Documents

Publication Publication Date Title
CN203759337U (en) Lens mount and screwing device of lens mount and lens
CN103913810A (en) Lens mount and screwing device of lens mount and lens
CN107366674A (en) A kind of check bolt fastener of easy disassembly
CN205574187U (en) Tight device is compeled to driver's head
CN204496085U (en) Universal type die high precision M12 interface lens base
CN103949904A (en) Turning clamp
CN111594530B (en) Splicable bolt
CN105965826A (en) Multi-section type easy-to-split extrusion mould
CN207914728U (en) A kind of wire rod thread reparation making guider
CN202564529U (en) Resonant rod and cavity filter
CN207170987U (en) A kind of claw on scroll chuck
CN202474264U (en) Cable connector
CN201709067U (en) Circuit board fixing bracket
CN215550487U (en) Injection mold sliding block assembly of sliding block
CN207229532U (en) A kind of adjustable connecting rod supporting rack
CN204850262U (en) Adopt adjusting device of polylinker
CN107700772A (en) Balustrade
CN203984176U (en) A kind of shaft encoder jockey
CN216772087U (en) Low-cost high accuracy M12 lens mount structure
CN103895157B (en) Secondary injection molding internal mold fixing device for automobile wire plug connector
CN101586721B (en) Line pipe joint structure
CN208358710U (en) A kind of aluminum-alloy wheel mold thermocouple mounting device
CN201751603U (en) Bottom hole structure
CN209176137U (en) Mode transfer gland structure and injection molding machine
CN208928989U (en) A kind of clamping structure of stamping equipment upper punch

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20140806

CX01 Expiry of patent term