CN216210143U

CN216210143U - Self-centering rotary chuck of optical center instrument

Info

Publication number: CN216210143U
Application number: CN202122652305.9U
Authority: CN
Inventors: 郑中光
Original assignee: Yancheng Deyu Optical Instrument Equipment Co ltd
Current assignee: Yancheng Deyu Optical Instrument Equipment Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the field of optical center instruments, in particular to a self-centering rotary chuck of an optical center instrument, which comprises a fixed ring and a rotary ring rotatably connected to the top of the fixed ring, wherein the outer wall of the top of the fixed ring is provided with arc-shaped grooves which are distributed equidistantly, the top of the rotary ring is provided with limit grooves which are distributed equidistantly, the rotary ring is positioned at the limit grooves and is provided with sliding holes, clamping structures are arranged in the arc-shaped grooves, the limit grooves and the sliding holes, the bottom of the outer wall of the fixed ring is provided with a non-return structure, and the outer wall of the top of the fixed ring is welded with a limiting ring. In the rotating process of the utility model, one end of the inserted bar is positioned in the limiting groove, the triangular block and the supporting spring which are hinged at one end block the inserted bar, the inserted bar net is lifted, and one end of the inserted bar is separated from the limiting groove, so that the rotating ring can rotate reversely and loosen objects.

Description

Self-centering rotary chuck of optical center instrument

Technical Field

The utility model relates to the technical field of optical centering instruments, in particular to a self-centering rotary chuck of an optical centering instrument.

Background

Optical centre appearance spin chuck is a device that is used for measuring optical lens to carry out centre gripping and fixed, plays the effect of installation optical lens and carry out centering adjustment, and the spin chuck of traditional mode needs personnel's manual adjustment to carry out the lens, and is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a self-centering rotating chuck of an optical centering instrument.

In order to achieve the purpose, the utility model adopts the following technical scheme:

self-centering rotating chuck of optical center appearance, including solid fixed ring and the swivel becket of rotation connection at solid fixed ring top, gu fixed ring's top outer wall sets up the arc wall that the equidistance distributes, and the spacing groove that the equidistance distributes is seted up at the top of swivel becket, the swivel becket is located spacing groove department and has seted up the sliding hole, be equipped with clamping structure in arc wall, spacing groove and the sliding hole, and gu fixed ring's outer wall bottom installs contrary structure of ending, gu fixed ring's top outer wall welding has the restriction circle.

Preferably, the clamping structure comprises a sliding block connected in the limiting groove in a sliding manner, a sliding rod welded at the bottom of the sliding block, a clamping rod connected to the sliding block and close to the outer wall of one side, a first clamping plate welded to one end of the clamping rod close to each other, a buffer spring welded to the outer wall of one side of the first clamping plate close to each other, a second clamping plate welded to the other end of the buffer spring and a clamping spring sleeved on the outer wall of the clamping rod.

Preferably, the two ends of the clamping spring are respectively welded with the outer wall of one side of the sliding block and the outer wall of one side of the first clamping plate, and one end of the sliding rod extends into the arc-shaped groove.

Preferably, contrary structure is including installing the contrary retaining ring at solid fixed ring bottom outer wall, seting up at the restriction groove of contrary retaining ring top outer wall, equidistance hinge at the triangle piece of restriction groove outer wall and the supporting spring of welding at triangle piece opposite side, and the other end and the welding of restriction groove outer wall of supporting spring.

Preferably, the outer wall welding of one side of swivel becket has the fixed block, and the center department of fixed block inserts the outer wall bottom welding that is equipped with inserted bar, inserted bar and has to support the ring, supports the top welding of ring and has control spring, and control spring's the other end and the bottom outer wall welding of fixed block, and the bottom of inserted bar is arranged in the restriction groove.

Preferably, the outer wall of the bottom of the fixing ring is welded with thread bases distributed equidistantly, and the bottom center of the thread bases is in threaded connection with an adjusting base.

The utility model has the beneficial effects that:

1. during the use, place the centre gripping thing in solid fixed ring center department, the swivel becket rotates, make the slider slowly be close to each other under the restriction of arc wall and sliding hole, the second splint are cliied the object, continue to rotate the swivel becket, make the inseparable centre gripping of buffer spring shrink, continue to rotate the swivel becket, make the clamping bar keep away from each other, improve the tightness of centre gripping, rotate the in-process, the one end of inserted bar is located the restriction tank, one end articulated triangle piece and supporting spring block the inserted bar, lift the inserted bar net, inserted bar one end separation restriction tank, make the swivel becket can reverse, loosen the object, compare in traditional mode, be convenient for operate the centre gripping, be favorable to improving the tightness of centre gripping, prevent the reversal, be convenient for protect the object.

Drawings

FIG. 1 is a schematic view of the overall structure of a self-centering spin chuck of an optical centering apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of a fixing ring of the self-centering spin chuck of the optical centering apparatus according to the present invention;

FIG. 3 is a schematic diagram of a top view of a rotating ring of the self-centering spin chuck of the optical centering apparatus according to the present invention;

FIG. 4 is a schematic diagram of a partial cross-sectional structure of a self-centering spin chuck of an optical centering apparatus according to the present invention;

FIG. 5 is a schematic view of a check ring structure of the self-centering spin chuck of the optical centering instrument according to the present invention;

fig. 6 is a schematic bottom structure diagram of the optical centering apparatus self-centering spin chuck according to the present invention.

In the figure: the device comprises a fixed ring 1, a rotating ring 2, a clamping structure 3, a non-return structure 4, an arc-shaped groove 5, a limiting ring 6, a limiting groove 7, a sliding hole 8, a sliding block 9, a clamping rod 10, a clamping spring 11, a first clamping plate 12, a buffer spring 13, a second clamping plate 14, a non-return ring 15, a limiting groove 16, a triangular block 17, a supporting spring 18, a fixing block 19, an inserted rod 20, a control spring 21, a resisting ring 22, a threaded base 23 and an adjusting base 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, the self-centering rotating chuck of the optical center instrument comprises a fixing ring 1 and a rotating ring 2 rotatably connected to the top of the fixing ring 1, wherein arc-shaped grooves 5 distributed at equal intervals are formed in the outer wall of the top of the fixing ring 1, limiting grooves 7 distributed at equal intervals are formed in the top of the rotating ring 2, sliding holes 8 are formed in the positions, located in the limiting grooves 7, of the rotating ring 2, clamping structures 3 are arranged in the arc-shaped grooves 5, the limiting grooves 7 and the sliding holes 8, a non-return structure 4 is arranged at the bottom of the outer wall of the fixing ring 1, and the limiting ring 6 is welded to the outer wall of the top of the fixing ring 1;

the clamping structure 3 comprises a sliding block 9 connected in the limiting groove 7 in a sliding manner, a sliding rod welded at the bottom of the sliding block 9, a clamping rod 10 connected to the outer wall of one side, close to each other, of the sliding block 9 in a sliding manner, a first clamping plate 12 welded at one end, close to each other, of the clamping rod 10, a buffer spring 13 welded at the outer wall of one side, close to each other, of the first clamping plate 12, a second clamping plate 14 welded at the other end of the buffer spring 13, and a clamping spring 11 sleeved on the outer wall of the clamping rod 10;

two ends of the clamping spring 11 are respectively welded with the outer wall of one side of the sliding block 9 and the outer wall of one side of the first clamping plate 12, and one end of the sliding rod extends into the arc-shaped groove 5;

the non-return structure 4 comprises a non-return ring 15 arranged on the outer wall of the bottom of the fixed ring 1, a limiting groove 16 arranged on the outer wall of the top of the non-return ring 15, triangular blocks 17 hinged to the outer wall of the limiting groove 16 at equal intervals and supporting springs 18 welded to the other sides of the triangular blocks 17, and the other ends of the supporting springs 18 are welded to the outer wall of the limiting groove 16;

the fixed block 19 is welded on the outer wall of one side of the rotating ring 2, the inserting rod 20 is inserted in the center of the fixed block 19, the abutting ring 22 is welded at the bottom end of the outer wall of the inserting rod 20, the control spring 21 is welded at the top of the abutting ring 22, the other end of the control spring 21 is welded with the outer wall of the bottom of the fixed block 19, and the bottom end of the inserting rod 20 is located in the limiting groove 16;

equidistance distributes the welding of screw base 23 is in the bottom outer wall of solid fixed ring 1, and adjusts 24 threaded connection of base in screw base 23's bottom center department, compares in traditional mode, and the operation centre gripping of being convenient for is favorable to improving the tightness of centre gripping, prevents to reverse, is convenient for protect the object.

The working principle is as follows: during the use, place the centre of solid fixed ring 1 department with the centre gripping thing, the swivel becket 2 rotates, make slider 9 slowly be close to each other under the restriction of arc wall 5 and sliding hole 8, second splint 14 cliies the object, continue to rotate swivel becket 2, make buffer spring 13 shrink inseparable centre gripping, continue to rotate swivel becket 2, make clamping bar 10 keep away from each other, improve the tightness of centre gripping, the rotation in-process, the one end of inserted bar 20 is located the restriction groove 16, one end articulated triangle-shaped piece 17 and supporting spring 18 block inserted bar 20, lift inserted bar 20 net, inserted bar 20 one end separation restriction groove 16, make swivel becket 2 can reverse, loosen the object.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Self-centering rotating chuck of optical center instrument, including solid fixed ring (1) and rotation connection at swivel becket (2) at solid fixed ring (1) top, its characterized in that, arc wall (5) that the equidistance distributes are seted up to the top outer wall of solid fixed ring (1), and spacing groove (7) that the equidistance distributes are seted up at the top of swivel becket (2), slip hole (8) have been seted up in spacing groove (7) department in swivel becket (2), be equipped with in arc wall (5), spacing groove (7) and slip hole (8) and press from both sides tight structure (3), and the outer wall bottom of solid fixed ring (1) installs contrary structure (4) that ends, the top outer wall welding of solid fixed ring (1) has restriction circle (6).

2. The optical center self-centering rotating chuck according to claim 1, wherein the clamping structure (3) comprises a sliding block (9) slidably connected in the limiting groove (7), a sliding rod welded at the bottom of the sliding block (9), a clamping rod (10) slidably connected to the outer wall of one side of the sliding block (9) close to each other, a first clamping plate (12) welded at one end of the clamping rod (10) close to each other, a buffer spring (13) welded at the outer wall of one side of the first clamping plate (12) close to each other, a second clamping plate (14) welded at the other end of the buffer spring (13), and a clamping spring (11) sleeved on the outer wall of the clamping rod (10).

3. The optical centre instrument self-centering rotating chuck according to claim 2, wherein both ends of the clamping spring (11) are welded to the outer wall of the slider (9) and the outer wall of the first clamping plate (12), respectively, and one end of the slide rod extends into the arc-shaped groove (5).

4. The optical center self-centering rotating chuck according to claim 1, wherein the non-return structure (4) comprises a non-return ring (15) arranged on the outer wall of the bottom of the fixed ring (1), a limiting groove (16) arranged on the outer wall of the top of the non-return ring (15), triangular blocks (17) hinged on the outer wall of the limiting groove (16) at equal intervals, and supporting springs (18) welded on the other side of the triangular blocks (17), and the other ends of the supporting springs (18) are welded with the outer wall of the limiting groove (16).

5. The optical center self-centering rotating chuck according to claim 1, wherein a fixing block (19) is welded on the outer wall of one side of the rotating ring (2), an inserting rod (20) is inserted in the center of the fixing block (19), a resisting ring (22) is welded at the bottom end of the outer wall of the inserting rod (20), a control spring (21) is welded at the top of the resisting ring (22), the other end of the control spring (21) is welded with the outer wall of the bottom of the fixing block (19), and the bottom end of the inserting rod (20) is located in the limiting groove (16).

6. The optical center self-centering rotating chuck according to claim 1, wherein the outer wall of the bottom of the fixed ring (1) is welded with equidistantly distributed threaded bases (23), and the center of the bottom of the threaded base (23) is connected with an adjusting base (24) in a threaded manner.