Lens assembling tool

Abstract

The utility model discloses a lens assembling tool which comprises a tool body and a debugging base, the tool body is used for being connected with a focusing lens, and the debugging base is connected with the tool body and used for being connected with a lens set. The tool body comprises a mounting ring, a connecting column and a bottom ring; the mounting ring and the bottom ring are fixedly connected to the two sides of the connecting column respectively, a mounting groove is formed in the mounting ring, and the mounting groove is used for mounting a focusing lens; a limiting step is arranged on the connecting column; the debugging base comprises a connecting cylinder and a mounting cylinder which are fixedly connected with each other, the connecting cylinder is slidably connected with the connecting column and can abut against the limiting step, and a limiting head is arranged on the outer side of the connecting cylinder; the lens group is connected in the mounting cylinder. According to the utility model, the lens group can be detected and adjusted more conveniently, so that the quality of the finally assembled lens product is better guaranteed, the conditions of reworking and the like caused by quality problems are reduced, and the production efficiency is indirectly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lens production frock technical field, concretely is a kind of lens assembly frock. BACKGROUND

[0002] With the rapid development of modern science and technology, optical lens has wide and key application in many fields, for example, photographic and video equipment, security monitoring system, medical imaging instrument and various precision optical instruments etc. These application scenarios increasingly stringent requirements on the imaging quality of lens, and the assembly quality of lens directly affects its final imaging effect.

[0003] In early stage and part of small-scale production, lens assembly mostly relies on manual operation of workers. Workers rely on experience and simple tools, such as tweezers, screwdrivers, etc., to assemble various lenses, lens barrels and other related parts in sequence. When focusing, the worker also tries to reach the best focusing position by manually moving the focusing lens, and judges whether the focusing is accurate by naked eye observation or simple optical detection equipment.

[0004] Manual operation is greatly influenced by human factors, such as hand shaking of workers during operation, errors of naked eye observation, etc., so it is difficult to guarantee the position accuracy of various lenses and the accuracy of focusing. This leads to uneven imaging quality of the produced lenses, and high rate of defective products. Especially when facing high-precision lens products, this traditional way is increasingly difficult to meet the production demand. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a lens assembly frock to solve the following technical problems raised in the background art:

[0006] In the prior art, there are problems of slow installation speed and low efficiency when installing lens and focusing lens.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme:

[0008] A lens assembly frock, comprising a frock body and a debugging base, wherein the frock body is used for connecting a focusing lens, the debugging base is connected with the frock body and is used for connecting a lens group; the frock body comprises a mounting ring, a connecting column and a bottom ring; the mounting ring and the bottom ring are respectively fixedly connected on both sides of the connecting column, the mounting ring is provided with a mounting groove inside, and the mounting groove is used for mounting the focusing lens; the connecting column is provided with a limiting step; the debugging base comprises a connecting barrel and a mounting barrel which are fixedly connected with each other, the connecting barrel is slidingly connected with the connecting column and can abut against the limiting step, and the outer side of the connecting barrel is provided with a limiting head; the lens group is connected in the mounting barrel.

[0009] Further, the connecting column is provided with four connecting columns, and the four connecting columns are uniformly and spacedly arranged.

[0010] Further, a limiting stepped groove is arranged on the top side of the mounting ring, and the limiting stepped groove is used for mounting a limiting ring.

[0011] Further, a positioning hole is arranged on the connecting cylinder, and a positioning pin is arranged in the positioning hole.

[0012] Further, a plurality of groups of limiting holes are uniformly and spacedly arranged on the cylinder wall of the connecting cylinder, each group of limiting holes is provided with two limiting holes, and the bottom of the limiting head is inserted into the limiting holes.

[0013] Further, a limiting bottom ring is fixedly connected to the bottom end of the mounting cylinder.

[0014] Further, the lens assembly tool further comprises a connecting piece, the connecting piece is connected with the lens assembly, and a bayonet is arranged on the connecting piece.

[0015] Further, the outer diameter of the connecting cylinder is greater than the outer diameter of the mounting cylinder, and the outer diameter of the connecting cylinder is less than or equal to the inner diameter of the bottom ring.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses a focusing lens group adjusting tool, which comprises a mounting cylinder, a connecting cylinder and a bottom ring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the tool body structure schematic diagram of the utility model;

[0020] Figure 3 It is the internal structure schematic diagram of the utility model;

[0021] Figure 4 It is the tool body internal structure schematic diagram of the utility model;

[0022] Figure 5 It is the internal structure schematic diagram of the utility model's debugging base.

[0023] Marked in the figure: 1-frock body, 2-adjustment base, 3-lens group, 4-focusing lens, 5-limit head, 6-mounting ring, 7-connection column, 8-bottom ring, 9-connector, 10-limit ring, 11-mounting groove, 12-limit step, 13-limit bottom ring, 14-mounting cylinder, 15-positioning hole, 16-connection cylinder, 17-limit hole, 18-limit step groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment:

[0026] A lens assembly frock includes frock body 1 and adjustment base 2, wherein frock body 1 is used for connecting focusing lens 4, adjustment base 2 is connected with frock body 1 and is used for connecting lens group 3; frock body 1 includes mounting ring 6, connection column 7 and bottom ring 8; mounting ring 6 and bottom ring 8 are fixedly connected on both sides of connection column 7 respectively, mounting groove 11 is arranged in mounting ring 6, and mounting groove 11 is used for mounting focusing lens; limit step 12 is arranged on connection column 7; bottom ring 8 is used for guaranteeing the stability of frock body 1 as a whole. Adjustment base 2 includes connection cylinder 16 and mounting cylinder 14 which are fixedly connected with each other, connection cylinder 16 is slidably connected with connection column 7 and can abut against limit step 12, and limit head 5 is arranged on the outside of connection cylinder 16; lens group 3 is connected in mounting cylinder 14.

[0027] Wherein, in use, lens group 3 is connected with mounting cylinder 14 of adjustment base 2, adjustment base 2 is inserted into frock body 1 until connection cylinder 16 abuts against limit step 12, mounting base is rotated, limit head 5 is mounted on adjustment base 2 and limit head 5 is guaranteed to be located on both sides of connection column 7, so as to realize the limitation of the rotation of adjustment base 2. Then, focusing lens is mounted in mounting groove 11, and lens group 3 is connected with detection projection instrument. It is needed that the detection projection instrument here is an instrument for detecting lens, which adopts prior art, including but not limited to projection resolution instrument. After the preparation work is completed, adjustment base 2 is kept stationary, frock body 1 is pulled and focusing lens is moved, so as to realize focusing, and the imaging effect of lens group 3 is observed. After lens group 3 is tested to be normal, lens group 3 is assembled into lens. Through the lens group 3 assembly frock of the utility model, lens group 3 can be conveniently detected and adjusted, so as to improve production efficiency.

[0028] In a preferred embodiment, the connecting columns 7 are provided with four, and the four connecting columns 7 are uniformly spaced. From the aspect of stability, the four uniformly spaced connecting columns 7 can provide more balanced and reliable support force for the entire tool body 1. In cooperation with the debugging base 2, the uniformly spaced four connecting columns 7 can more accurately guide the debugging base 2 to slide and connect. When the connecting cylinder 16 of the debugging base 2 is inserted, it can move smoothly along the four connecting columns 7 and accurately abut against the limiting step 12.

[0029] In a preferred embodiment, a limiting step groove 18 is provided on the top side inside the mounting ring 6, and the limiting step groove 18 is used to mount the limiting ring 10 for limiting the focusing lens 4. By providing the limiting ring 10, the stability of the focusing lens 4 can be ensured, and the focusing lens 4 can be prevented from falling due to loosening.

[0030] In a preferred embodiment, a positioning hole 15 is provided on the connecting cylinder 16, and a positioning pin is provided in the positioning hole 15. The connecting cylinder 16 and the lens group 3 can be stably connected together through the positioning hole 15 and the positioning pin.

[0031] In a preferred embodiment, a plurality of sets of limiting holes 17 are uniformly spaced on the cylinder wall of the connecting cylinder 16, and each set of limiting holes 17 is provided with two, and the bottom of the limiting head 5 is inserted into the limiting hole 17. Through the cooperation of such positioning hole 15 and positioning pin, the connecting cylinder 16 and the lens group 3 can be stably connected together, and play an extremely important role. In the entire process of lens group 3 assembly, the lens group 3 needs to maintain a stable and accurate relative positional relationship with the debugging base 2, so that subsequent operations such as focusing operation, imaging effect detection and a series of work can be accurately and accurately carried out.

[0032] In a preferred embodiment, a limiting bottom ring 13 is fixedly connected to the bottom end of the mounting cylinder 14, and the limiting bottom ring 13 is used to abut against the lens group 3. In the actual operation process of the lens group 3 assembly, the lens group 3 is placed inside the mounting cylinder 14. When the lens group 3 is installed in place, the limiting bottom ring 13 can apply a stable supporting force to the lens group 3 from the bottom, effectively preventing the lens group 3 from moving downward in the axial direction inside the mounting cylinder 14, avoiding the problem that the lens group 3 is deviated or falls out of the mounting cylinder 14 due to external force, such as pulling of the tool body 1 during debugging, slight vibration during operation, etc.

[0033] In a preferred embodiment, the lens assembly tool further comprises a connecting piece 9 connected with the lens group 3, and the connecting piece 9 is provided with a bayonet. The connecting piece 9 is connected to the detection instrument through the bayonet.

[0034] In a preferred embodiment, the outer diameter of the connecting cylinder 16 is greater than the outer diameter of the mounting cylinder 14, and the outer diameter of the connecting cylinder 16 is less than or equal to the inner diameter of the bottom ring 8. From the smoothness of assembly, the design that the outer diameter of the connecting cylinder 16 is greater than the outer diameter of the mounting cylinder 14 makes the operator clearly distinguish the connection order and position of different parts during assembly, which is more convenient for the operator to accurately assemble the debugging base 2 with the tool body 1, avoids misoperation, and improves the efficiency and accuracy of assembly. The requirement that the outer diameter of the connecting cylinder 16 is less than or equal to the inner diameter of the bottom ring 8 ensures that the connecting cylinder 16 and the tool body 1 can be tightly and smoothly connected, so that the whole assembly process can be completed at one time, and the problems of repeated adjustment and jam caused by improper size are reduced.

[0035] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application according to the specific circumstances.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lens assembling tool, characterized by: The lens assembly tool comprises a tool body (1) and a debugging base (2), wherein the tool body (1) is used for connecting a focusing lens (4), the debugging base (2) is connected with the tool body (1) and is used for connecting a lens group (3); The tool body (1) comprises a mounting ring (6), a connecting column (7) and a bottom ring (8); the mounting ring (6) and the bottom ring (8) are respectively fixedly connected on two sides of the connecting column (7); the mounting ring (6) is provided with a mounting groove (11) therein, and the mounting groove (11) is used for mounting the focusing lens; the connecting column (7) is provided with a limiting step (12) thereon; The debugging base (2) comprises a connecting cylinder (16) and a mounting cylinder (14) which are fixedly connected with each other; the connecting cylinder (16) is slidably connected with the connecting column (7) and can abut against the limiting step (12); the outer side of the connecting cylinder (16) is provided with a limiting head (5); and the lens group (3) is connected in the mounting cylinder (14).

2. The lens assembly tool of claim 1, wherein: The connecting column (7) is provided with four connecting columns (7) which are uniformly and spacedly arranged.

3. The lens assembly tool of claim 1, wherein: The mounting ring (6) is provided with a limiting stepped groove (18) on the top side thereof; the limiting stepped groove (18) is used for mounting a limiting ring (10).

4. The lens assembly tool of claim 1, wherein: The connecting cylinder (16) is provided with a positioning hole (15) thereon; the positioning hole (15) is provided with a positioning pin therein.

5. The lens assembly tool of claim 1, wherein: The cylinder wall of the connecting cylinder (16) is uniformly and spacedly provided with a plurality of groups of limiting holes (17); each group of limiting holes (17) is provided with two limiting holes (17); and the bottom of the limiting head (5) is inserted into the limiting holes (17).

6. The lens assembly tool of claim 1, wherein: The bottom end of the mounting cylinder (14) is fixedly connected with a limiting bottom ring (13).

7. The lens assembly tool of claim 1, wherein: The lens assembly tool further comprises a connecting piece (9) which is connected with the lens group (3); and the connecting piece (9) is provided with a bayonet.

8. The lens assembly tool of claim 1, wherein: The outer diameter of the connecting cylinder (16) is greater than the outer diameter of the mounting cylinder (14); and the outer diameter of the connecting cylinder (16) is less than or equal to the inner diameter of the bottom ring (8).

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