CN209879109U

CN209879109U - Lens convenient to change lens

Info

Publication number: CN209879109U
Application number: CN201920743457.XU
Authority: CN
Inventors: 王文
Original assignee: Jiteng Technology Tianjin Co Ltd
Current assignee: Jiteng Technology Tianjin Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2019-12-31
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a camera lens convenient to change lens, including the camera lens shell, camera lens shell lower extreme inboard is provided with the screw thread, the camera lens shell outside is provided with extends the piece, it puts and has seted up the spout to extend a central point, spout medial extremity is two-layer about divideing into, it is provided with the fixed block to extend a upper end, the inside cavity of having seted up of fixed block, fixed block central point puts and is provided with the movable rod perpendicularly, and the movable rod lower extreme extends to in the spout, the inherent movable rod outside of cavity is provided with the stopper. The utility model discloses when the slide bar just removed the spout right side, the slide bar just in time misplaces with the movable rod, and the movable rod resets under the effect of first spring elasticity, dies the slide bar card, prevents that the slide bar from sliding along the spout to inside sealed dish oppresses the lens to the camera lens shell just, supporting shoe contact hollow block upper surface simultaneously, the second spring is compressed, makes the lens fixed by the joint, prevents that the lens from moving when using.

Description

Lens convenient to change lens

Technical Field

The utility model relates to an optical lens equipment field specifically is a camera lens convenient to change lens.

Background

At present, an optical lens is an essential component in a machine vision system, and directly influences the quality of imaging quality and influences the realization and effect of an algorithm; the optical lens can be divided into a short-focus lens, a middle-focus lens and a long-focus lens from the focal length; wide-angle, standard and telephoto lenses are arranged according to the field size; the structure is divided into a fixed aperture fixed focus lens, a manual aperture fixed focus lens, an automatic aperture fixed focus lens, a manual zoom lens, an automatic aperture motorized zoom lens, an electric three-variable (aperture, focal length and focus are all variable) lens and the like.

The existing lens is generally of an integral structure, wherein the lens cannot be replaced, so that once the lens damages the whole lens, the lens needs to be purchased again, different lenses cannot be arranged in the same lens, different lenses need to be purchased, the cost is high, and the problem is solved by a device which is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camera lens convenient to change lens to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lens convenient for replacing lenses comprises a lens shell, wherein threads are arranged on the inner side of the lower end of the lens shell, the lens shell is connected with a camera body through the threads, an extending block is arranged on the outer side of the lens shell, a chute is formed in the central position of the extending block, the inner side end of the chute is divided into an upper layer and a lower layer, a fixed block is arranged at the upper end of the extending block, a cavity is formed in the fixed block, a movable rod is vertically arranged at the central position of the fixed block, the lower end of the movable rod extends into the chute, the movable rod moves up and down along the fixed block, a limiting block is arranged on the outer side of the movable rod in the cavity, a first spring is arranged between the upper end of the limiting block and the inner wall of the cavity, an operating block is arranged at the upper end, inclination is 45 degrees, the camera lens shell inboard is provided with supporting mechanism, camera lens shell upper end is provided with stop gear.

Preferably, the first spring is arranged outside the movable rod in a surrounding mode, and the first spring facilitates the reset of the movable rod.

Preferably, the supporting mechanism comprises a hollow block, a T-shaped rod, a supporting block, a lens and a second spring, the hollow block is arranged on the inner side of the lens shell, the second spring is arranged in the hollow block, the T-shaped rod is arranged at the upper end of the second spring and arranged in the hollow block, the T-shaped rod slides up and down along the hollow block, the supporting block is arranged at the upper end of the T-shaped rod, and the lens is arranged at the upper end of the supporting block.

Preferably, the upper surface of the supporting block is provided with a first rubber pad.

Preferably, stop gear includes sealed dish, second rubber pad and slide bar, sealed dish sets up in camera lens shell upper end position, sealed dish front end is provided with the second rubber pad, sealed dish front end both sides are provided with the slide bar perpendicularly.

Preferably, the center of the sliding rod 11 is a cylinder, and the lower end of the sliding rod is an arc-shaped block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model takes out the slide bar from the inside of the chute to the outside, and the sealing disc is away from the upper end position of the lens shell, and the second spring is reset to pop out the supporting block, thereby popping out the lens to be replaced and facilitating the taking out of the lens;

2. the utility model discloses when the slide bar just removed the spout right side, the slide bar just in time misplaces with the movable rod, and the movable rod resets under the effect of first spring elasticity, dies the slide bar card, prevents that the slide bar from sliding along the spout to inside sealed dish oppresses the lens to the camera lens shell just, supporting shoe contact hollow block upper surface simultaneously, the second spring is compressed, makes the lens fixed by the joint, prevents that the lens from moving when using.

Drawings

Fig. 1 is a schematic view of an overall structure of a lens convenient for replacing lenses according to the present invention;

fig. 2 is a schematic view of a structure of a chute in a lens convenient for replacing lenses according to the present invention;

fig. 3 is a schematic diagram of a hollow block structure in a lens convenient for replacing lenses according to the present invention;

fig. 4 is the utility model relates to a sealed dish structure sketch map in camera lens convenient to change lens.

In the figure: 1. a lens housing; 2. a thread; 3. a hollow block; 4. a lens; 5. sealing the disc; 6. a chute; 7. an extension block; 8. a fixed block; 9. an operation block; 10. a movable rod; 11. a slide bar; 12. a cavity; 13. a limiting block; 14. a first spring; 15. a T-shaped rod; 16. a support block; 17. a second spring; 18. and a second rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lens convenient for replacing lenses comprises a lens shell 1, wherein the inner side of the lower end of the lens shell 1 is encircled by a thread 2, the thread 2 is convenient for connecting the lens shell 1 with a camera body, the outer side of the lens shell 1 is encircled and fixed with an extension block 7, the central position of the extension block 7 is provided with a chute 6, the inner side end of the chute 6 is divided into an upper layer and a lower layer, the upper end of the extension block 7 is integrally formed with a fixed block 8, the inner part of the fixed block 8 is provided with a cavity 12, the central position of the fixed block 8 is vertically inserted with a movable rod 10, the lower end of the movable rod 10 extends into the chute 6, the movable rod 10 moves up and down along the fixed block 8, the outer side of the movable rod 10 in the cavity 12 is integrally formed with a limiting block 13, a first spring 14 is fixedly connected between the upper end of the limiting block 13 and the inner wall of the cavity 12, the, the operation block 9 is convenient for activity movable rod 10, there is the finger groove operation block 9 both sides, and the movable rod 10 lower extreme left side is inside to be smooth inclined plane, and inclination is 45 degrees, and there is a supporting mechanism camera lens shell 1 inboard, and there is stop gear camera lens shell 1 upper end.

The supporting mechanism comprises a hollow block 3, a T-shaped rod 15, a supporting block 16, a lens 4 and a second spring 17, the hollow block 3 is integrally formed on the inner side of the lens shell 1, the second spring 17 is fixedly connected to the inner side of the hollow block 3, the T-shaped rod 15 is fixedly connected to the upper end of the second spring 17, the T-shaped rod 15 is sleeved inside the hollow block 3, the T-shaped rod 15 slides up and down along the hollow block 3, the supporting block 16 is integrally formed on the upper end of the T-shaped rod 15, a first rubber pad is fixed on the upper surface of the supporting block 16 in a covering mode, and the lens 4 is placed at the upper end.

Stop gear includes sealed dish 5, second rubber pad 18 and slide bar 11, and sealed dish 5 cup joints at 1 upper end of lens shell and puts, and 5 front ends of sealed dish bond and be fixed with second rubber pad 18, the perpendicular fixedly connected with slide bar 11 in 5 front end both sides of sealed dish, and 11 central point of slide bar puts for the cylinder, and its lower extreme is the arc piece.

The working principle is as follows: utilize the screw thread 2 to connect the lens shell 1 on the camera body, when needing to change the lens 4, hold the operating block 9 and pull the movable rod 10 outward while using, make the stopper 13 compress the first spring 14, thus the lower end of the movable rod 10 is far away from the inside of the concrete chute 6, then rotate the sealed disk 5, make the slide bar 11 slide along the concrete chute 6, until moving to another end position of concrete chute 6, then take the slide bar 11 out from the inside of concrete chute 6 to the outside, the sealed disk 5 is far away from the upper end position of the lens shell 1 at the same time, the second spring 17 resets and pops the supporting shoe 16, thus pop the lens 4 to be changed, facilitate taking out of the lens 4, then relocate the lens 4 needed at the upper end position of the supporting shoe 16, then cover the sealed disk 5 above the lens shell 1, the slide bar 11 inserts inside the concrete chute 6, rotate the, simultaneously slide bar 11 bottom arc piece joint is in 6 lower floor positions of spout, prevent sealed dish 5 and reciprocate, the smooth inclined plane position in extrusion movable rod 10 left side when slide bar 11 removes, make movable rod 10 move up, first spring 14 is compressed, when slide bar 11 just removes to 6 right sides of spout, slide bar 11 just in time misplaces with movable rod 10, movable rod 10 resets under first spring 14 spring action, die slide bar 11 card, prevent that slide bar 11 from sliding along spout 6, and sealed dish 5 oppresses lens 4 to the inside of camera lens shell 1 just, supporting shoe 16 contact hollow block 3 upper surface simultaneously, second spring 17 is compressed, make lens 4 be fixed by the joint.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lens convenient for replacing lenses comprises a lens shell (1), and is characterized in that: the inner side of the lower end of the lens shell (1) is provided with a thread (2), the outer side of the lens shell (1) is provided with an extension block (7), the central position of the extension block (7) is provided with a chute (6), the inner side end of the chute (6) is divided into an upper layer and a lower layer, the upper end of the extension block (7) is provided with a fixed block (8), the inside of the fixed block (8) is provided with a cavity (12), the central position of the fixed block (8) is vertically provided with a movable rod (10), the lower end of the movable rod (10) extends into the chute (6), the outer side of the movable rod (10) in the cavity (12) is provided with a limit block (13), a first spring (14) is arranged between the upper end of the limit block (13) and the inner wall of the cavity (12), the upper end of the movable rod (10) is provided with an operation block (9), the, inclination is 45 degrees, camera lens shell (1) inboard is provided with supporting mechanism, camera lens shell (1) upper end is provided with stop gear.

2. A lens barrel facilitating lens exchange according to claim 1, wherein: the first spring (14) is arranged around the outer side of the movable rod (10).

3. A lens barrel facilitating lens exchange according to claim 1, wherein: the supporting mechanism comprises a hollow block (3), a T-shaped rod (15), a supporting block (16), a lens (4) and a second spring (17), the hollow block (3) is arranged on the inner side of the lens shell (1), the second spring (17) is arranged inside the hollow block (3), the T-shaped rod (15) is arranged at the upper end of the second spring (17), the T-shaped rod (15) is arranged inside the hollow block (3), the supporting block (16) is arranged at the upper end of the T-shaped rod (15), and the lens (4) is arranged at the upper end of the supporting block (16).

4. A lens barrel facilitating lens exchange according to claim 3, wherein: the upper surface of the supporting block (16) is provided with a first rubber pad.

5. A lens barrel facilitating lens exchange according to claim 1, wherein: stop gear includes sealed dish (5), second rubber pad (18) and slide bar (11), sealed dish (5) set up in camera lens shell (1) upper end position, sealed dish (5) front end is provided with second rubber pad (18), sealed dish (5) front end both sides are provided with slide bar (11) perpendicularly.

6. A lens barrel facilitating lens exchange according to claim 5, wherein: the center of the sliding rod (11) is a cylinder, and the lower end of the sliding rod is an arc-shaped block.