CN220019971U

CN220019971U - Lens capable of adjusting focusing

Info

Publication number: CN220019971U
Application number: CN202320661122.XU
Authority: CN
Inventors: 邓希江
Original assignee: Dongguan Zhongxinda Technology Co ltd
Current assignee: Dongguan Zhongxinda Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-11-14
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a lens capable of adjusting focusing, which comprises a ranging box and a lens body capable of adjusting focal length, wherein an installation through hole for installing the lens body is formed in the outer wall of the front side of the ranging box, a circular limiting block is connected to the inner wall of the installation through hole, a fixing frame is connected to the lower end of the ranging box, an installation cavity communicated with the installation through hole is formed in the upper end face of the ranging box, and a gear is movably connected inside the installation cavity; the lens body stretches into the inside of the installation through hole, the lens body outer wall is connected with the spacing ring, spacing ring and stopper contact, the lens body rear side is connected with rotatable adjusting ring, the adjusting ring is located the lower extreme and the gear cooperation of installation chamber and is connected. The utility model has the advantages of convenient use, convenient use and adjustment of the focal length of the lens body by driving the adjusting ring to rotate through the rotating gear.

Description

Lens capable of adjusting focusing

Technical Field

The utility model belongs to the technical field of lenses, and particularly relates to a lens capable of adjusting focusing.

Background

In a camera module in the electronic product, a lens focusing function is added.

For example, in the chinese patent application No. 201720061164.4, a lens focal length adjusting structure at least includes a base, an adjusting base and a lens; the inside of the seat body is provided with a first inner hole, the edge of the first inner hole is extended with a convex ring, the periphery of the convex ring is extended with a plurality of convex blocks, sliding rods are respectively arranged at symmetrical corners of the seat body, and the tail ends of the sliding rods are provided with screw holes capable of being locked with screws; the adjusting seat is internally provided with a second inner hole, the bottom surface of the adjusting seat is provided with a plurality of grooves, each groove is provided with an inclined plane, the adjusting seat is provided with a limiting part at a symmetrical corner, and the lens is screwed and locked in the second inner hole; when the adjusting seat is sleeved on the seat body, the sliding rod penetrates through the sliding groove of the limiting part and then is sleeved with the spring and the gasket and locked by the screw, meanwhile, the protruding blocks of the seat body are sleeved in the grooves of the adjusting seat respectively, the protruding blocks have a moving distance in the grooves, the protruding blocks are enabled to reciprocate in the grooves by rotating the adjusting seat and ascend and descend along the inclined planes of the grooves, the distance between the adjusting seat and the seat body is changed by rotating, and the lens is driven to produce fine adjustment of the telescopic distance.

However, the above-mentioned techniques have some problems: when the lens is used for engineering ranging, the lens needs to be installed on the ranging device, and the swing of the ranging device is easily caused by the structure of adjusting the focal length of the lens, so that the deviation of ranging data is caused, and therefore, the lens with adjustable focusing is proposed.

Disclosure of Invention

Aiming at the problems of the technology, the utility model provides the lens capable of adjusting the focus, which has the advantages of convenient use, adjustment of the focal length of the lens body by rotating the adjusting ring through the rotating gear, and convenient use, and solves the problems that when the lens is used for engineering ranging, the lens is required to be installed on the ranging equipment, the swing of the ranging equipment is easy to be caused by the structure of adjusting the focal length of the lens, and the deviation of ranging data is caused.

The utility model is realized in such a way, the lens with adjustable focusing comprises a ranging box and a lens body with adjustable focal length, wherein the outer wall of the front side of the ranging box is provided with a mounting through hole for mounting the lens body, the inner wall of the mounting through hole is connected with a circular limiting block, the lower end of the ranging box is connected with a fixing frame, the upper end surface of the ranging box is provided with a mounting cavity communicated with the mounting through hole, and a gear is movably connected in the mounting cavity; the lens body stretches into the inside of the installation through hole, the lens body outer wall is connected with the spacing ring, spacing ring and stopper contact, the lens body rear side is connected with rotatable adjusting ring, the adjusting ring is located the lower extreme and the gear cooperation of installation chamber and is connected.

Preferably, the outer wall of the adjusting ring is provided with a plurality of tooth grooves, and the outer wall of each tooth groove is provided with three trapezoid grooves.

As preferable mode of the utility model, the cotton pad is sleeved on the outer wall of the rear side of the adjusting ring.

As preferable in the utility model, the outer wall of the rear side of the limiting ring is provided with a plurality of clamping grooves, and the front side of each clamping groove is provided with a limiting hole which is communicated with the corresponding clamping groove.

As preferable, the left side and the right side of the clamping groove are respectively provided with an inclined table top.

Preferably, the gear comprises a plurality of clamping teeth connected with the outer wall, the spacing between the clamping teeth is 3cm, and the clamping teeth are meshed with the clamping grooves.

As a preferable mode of the utility model, the outer wall of the latch is connected with three trapezoid blocks, the space between the trapezoid blocks is 1cm, and the trapezoid blocks are matched with the trapezoid grooves.

As preferable, the outer wall of the front side of the limiting block is connected with a plurality of clamping blocks, the cross sections of the clamping blocks are arranged in a trapezoid manner, and the clamping blocks are matched with the clamping grooves.

Preferably, the front side surface of the clamping block is provided with a step hole.

As the preferable mode of the utility model, the telescopic block is arranged in the step hole, one end of the telescopic block, which is positioned in the step hole, is connected with a spring, the other end of the spring is connected with the inner wall of the step hole, and one end of the telescopic block, which extends out of the step hole, is connected with the limit Kong Qige.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the gear is rotated, the latch is positioned in the tooth socket arranged on the limiting ring, and the gear drives the latch to rotate, so that the limiting ring is driven to rotate, the focal length of the lens body is adjusted, and the focal length of the lens body can be finely adjusted on the premise of not loosening the gear by utilizing the matching of the arranged trapezoid groove and the trapezoid block, so that the practicability is improved;

2. according to the lens body, the lens body stretches into the mounting through hole, the limiting ring is in contact with the limiting block, the clamping block stretches into the clamping groove, the spring is driven to shrink towards the inside of the step hole under the influence of contact stress of the telescopic block and the inner wall of the clamping groove, and when the step hole corresponds to the limiting hole, the spring rebounds to drive the telescopic block to reset and stretch into the limiting hole to be limited and fixed, so that the lens body is convenient to detach and mount.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a lens body according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of region a of FIG. 2 according to an embodiment of the present utility model;

FIG. 4 is a schematic front view of a ranging box according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of region b of FIG. 4 provided by an embodiment of the present utility model;

fig. 6 is a schematic cross-sectional view of a fixture block according to an embodiment of the present utility model.

In the figure: 1. a ranging box; 2. a lens body; 3. a gear; 11. a fixing frame; 12. mounting through holes; 13. a mounting cavity; 14. a limiting block; 15. a clamping block; 21. a limiting ring; 22. an adjusting ring; 23. a cotton pad; 31. latch teeth; 32. a trapezoid block; 151. a step hole; 152. a telescopic block; 153. a spring; 211. a clamping groove; 212. an inclined table top; 213. a limiting hole; 221. a trapezoid groove; 222. tooth slots.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the lens with adjustable focusing provided by the embodiment of the utility model comprises a ranging box 1 and a lens body 2 with adjustable focal length, wherein an installation through hole 12 for installing the lens body 2 is arranged on the outer wall of the front side of the ranging box 1, a circular limiting block 14 is connected to the inner wall of the installation through hole 12, a fixing frame 11 is connected to the lower end of the ranging box 1, an installation cavity 13 communicated with the installation through hole 12 is arranged on the upper end surface of the ranging box 1, and a gear 3 is movably connected inside the installation cavity 13; the lens body 2 stretches into the mounting through hole 12, a limiting ring 21 is connected to the outer wall of the lens body 2 and is in contact with the limiting block 14, a rotatable adjusting ring 22 is connected to the rear side of the lens body 2, and the adjusting ring 22 is located at the lower end of the mounting cavity 13 and is connected with the gear 3 in a matched mode; the utility model has the advantages of convenient use, and can realize the adjustment of the focal length of the lens body 2 by rotating the adjusting ring 22 by rotating the gear 3.

As shown in fig. 1 to 2, the outer wall of the adjusting ring 22 is provided with a plurality of tooth grooves 222, the outer wall of the tooth groove 222 is provided with three trapezoid grooves 221, the outer wall of the rear side of the adjusting ring is sleeved with a cotton pad 23, the outer wall of the rear side of the limiting ring 21 is provided with a plurality of clamping grooves 211, the front side of the clamping grooves 211 is provided with limiting holes 213 communicated with each other, the left side and the right side of the clamping grooves 211 are respectively provided with an inclined table surface 212, the gear 3 comprises a plurality of clamping teeth 31 connected with the outer wall, the spacing between the clamping teeth 31 is 3cm, the clamping teeth 31 are meshed with the clamping grooves 211, the outer wall of the clamping teeth 31 is connected with three trapezoid blocks 32, the spacing between the trapezoid blocks 32 is 1cm, and the trapezoid blocks 32 are in fit with the trapezoid grooves 221; through rotating gear 3, tooth 31 is located the tooth's socket 222 that sets up on the spacing ring 21 inside, and gear 3 drives tooth 31 and rotates to drive spacing ring 21 and rotate, realize adjusting the focus of camera lens body 2, and utilize the trapezoidal slot 221 that sets up and the cooperation of trapezoidal piece 32, under the prerequisite of not becoming flexible gear 3, can realize the focus fine setting to camera lens body 2, improve the practicality.

As shown in fig. 1 to 6, the outer wall of the front side of the limiting block 14 is connected with a plurality of clamping blocks 15, the cross sections of the clamping blocks 15 are arranged in a trapezoid, the clamping blocks 15 are engaged with the clamping grooves 211, the left side surface and the right side surface of the clamping blocks 15 are respectively provided with a step hole 151, a telescopic block 152 is arranged in each step hole 151, one end of each telescopic block 152 positioned in each step hole 151 is connected with a spring 153, the other end of each spring 153 is connected with the inner wall of each step hole 151, and one end of each telescopic block 152 extending out of each step hole 151 is engaged with each limiting hole 213; the lens body 2 stretches into the installation through hole 12, the limiting ring 21 is in contact with the limiting block 14, the clamping block 15 stretches into the clamping groove 211, the spring 153 is driven to shrink inwards in the step hole 151 under the influence of contact stress of the telescopic block 152 and the inner wall of the clamping groove 211, when the step hole 151 corresponds to the limiting hole 213, the spring 153 rebounds, the telescopic block 152 is driven to reset, and the telescopic block 152 stretches into the limiting hole 213 to be limited and fixed, so that the lens body 2 is convenient to detach and install.

The working principle of the utility model is as follows:

when the lens body 2 is used, firstly, the lens body 2 stretches into the installation through hole 12, the limiting ring 21 is in contact with the limiting block 14, the clamping block 15 stretches into the clamping groove 211, the telescopic block 152 is driven to shrink inwards towards the stepped hole 151 under the influence of contact stress of the inner wall of the clamping groove 211, when the stepped hole 151 corresponds to the limiting hole 213, the spring 153 rebounds, the telescopic block 152 is driven to reset, the lens body 2 stretches into the limiting hole 213 to be limited and fixed, when the focal length of the lens body 2 is required to be adjusted in the ranging process, the tooth teeth 31 are positioned in the tooth grooves 222 arranged on the limiting ring 21, the gear 3 drives the tooth teeth 31 to rotate, so that the limiting ring 21 is driven to rotate, the focal length of the lens body 2 is adjusted, and the focal length of the lens body 2 can be finely adjusted on the premise of not loosening the gear 3 by utilizing the cooperation of the arranged trapezoidal groove 221 and the trapezoidal block 32, and the practicability is improved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lens of adjustable focus, includes range finding case (1) and adjustable focus's camera body (2), its characterized in that: the front outer wall of the ranging box (1) is provided with a mounting through hole (12) for mounting the lens body (2), the inner wall of the mounting through hole (12) is connected with a circular limiting block (14), the lower end of the ranging box (1) is connected with a fixing frame (11), the upper end surface of the ranging box (1) is provided with a mounting cavity (13) communicated with the mounting through hole (12), and a gear (3) is movably connected in the mounting cavity (13); the lens body (2) stretches into the installation through hole (12), the lens body (2) outer wall is connected with a limiting ring (21), the limiting ring is in contact with the limiting block (14), the rear side of the lens body (2) is connected with a rotatable adjusting ring (22), and the lower end of the adjusting ring (22) located in the installation cavity (13) is connected with the gear (3) in a matched mode.

2. A lens for adjustable focus as defined in claim 1, wherein: the outer wall of the adjusting ring (22) is provided with a plurality of tooth grooves (222), and the outer wall of the tooth grooves (222) is provided with three trapezoid grooves (221).

3. A lens for adjustable focus as defined in claim 1, wherein: the cotton pad (23) is sleeved on the outer wall of the rear side of the adjusting ring (22).

4. A lens for adjustable focus as defined in claim 1, wherein: the outer wall of the rear side of the limiting ring (21) is provided with a plurality of clamping grooves (211), and the front side of each clamping groove (211) is provided with a limiting hole (213) which is communicated with the corresponding clamping hole.

5. A lens for adjustable focus as defined in claim 4, wherein: inclined table tops (212) are arranged on the left side and the right side of the clamping groove (211).

6. A lens for adjustable focus as defined in claim 1, wherein: the gear (3) comprises a plurality of clamping teeth (31) connected with the outer wall, the space between the clamping teeth (31) is 3cm, and the clamping teeth (31) are meshed with the clamping grooves (211).

7. The adjustable focus lens of claim 6, wherein: the outer wall of the latch (31) is connected with three trapezoid blocks (32), the distance between the trapezoid blocks (32) is 1cm, and the trapezoid blocks (32) are matched with the trapezoid grooves (221).

8. A lens for adjustable focus as defined in claim 1, wherein: the front side outer wall of the limiting block (14) is connected with a plurality of clamping blocks (15), the cross sections of the clamping blocks (15) are arranged in a trapezoid mode, and the clamping blocks (15) are matched with the clamping grooves (211).

9. A lens for adjustable focus as defined in claim 8, wherein: the left side surface and the right side surface of the clamping block (15) are respectively provided with a step hole (151).

10. A lens for adjustable focus as defined in claim 9, wherein: the telescopic block (152) is arranged inside the step hole (151), one end of the telescopic block (152) located inside the step hole (151) is connected with a spring (153), the other end of the spring (153) is connected with the inner wall of the step hole (151), and one end of the telescopic block (152) extending out of the step hole (151) is matched with the limiting hole (213).