CN220408571U

CN220408571U - Inner hexagonal sleeve with variable inner diameter

Info

Publication number: CN220408571U
Application number: CN202322344920.2U
Authority: CN
Inventors: 吕祖成; 沈航; 刘至用; 王昺珺; 唐吴浩; 李文硕
Original assignee: Qingdao University of Technology
Current assignee: Qingdao University of Technology
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-01-30
Anticipated expiration: 2033-08-30

Abstract

The utility model relates to the technical field of sleeves, and discloses an inner hexagon sleeve with a variable inner diameter, which comprises an annular supporting plate, an annular pressure limiting plate sleeved on the outer side of the annular supporting plate and a locking screw used for locking the annular pressure limiting plate and the annular supporting plate, wherein an inner diameter adjusting device is arranged between the annular supporting plate and the annular pressure limiting plate, six clamping plates are arranged on the inner diameter adjusting device, and the six clamping plates always form a regular hexagon, and the size of the regular hexagon can be changed along with the inner diameter adjusting device. Compared with the prior art, the utility model has the beneficial effects that: the inner diameter of the six clamping plates is adjusted through the inner diameter adjusting device, so that the six clamping plates are suitable for different pairs of hexagon screws with different types, and the six clamping plates are flexible and convenient to use.

Description

Inner hexagonal sleeve with variable inner diameter

Technical Field

The utility model belongs to the technical field of sleeves, and particularly relates to an inner hexagon sleeve with a variable inner diameter.

Background

The socket head cap sleeve is composed of a socket with a hexagonal hole and is provided with a handle, a connecting rod and other accessories, and is particularly suitable for screwing bolts or nuts with very narrow positions or deep depressions.

And traditional inner hexagonal sleeve is fixed model when using, when dismantling the hexagonal screw of different external, need change different inner hexagonal sleeve, use inconvenient.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides an inner hexagonal sleeve with variable inner diameter,

the utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a hexagon socket of variable internal diameter, includes annular backup pad, cover establishes the annular pressure limiting board in the annular backup pad outside to and be used for locking annular pressure limiting board and annular backup pad's locking screw, set up internal diameter adjusting device between annular backup pad and the annular pressure limiting board, set up six grip blocks on the internal diameter adjusting device, six the grip block forms a regular hexagon all the time, and regular hexagon size can be along with internal diameter adjusting device change.

The inner diameter adjusting device comprises six triangular rotating plates, six triangular rotating plates are adjacently arranged in an annular array, regular hexagon through holes are formed in the triangular rotating plates, six clamping plates are respectively vertically and downwardly extended to be arranged below the six rotating plates, regular hexagon limiting sliding grooves are formed in the upper surface of the annular supporting plate, six limiting grooves are formed in the annular limiting plates in an annular array mode, the included angle between each limiting groove and the tangent line of the annular limiting plates is 60 degrees, limiting sliding blocks are arranged on the lower surface of each rotating plate, limiting columns are coaxially arranged on the upper surface of each rotating plate, each limiting sliding block is located in each limiting sliding groove, and each limiting column is located in each limiting groove.

The clamping plate is flush with the inner side edge of the triangular rotating plate.

The annular supporting plate is circumferentially provided with a fixing groove, and one end of the locking screw is located in the fixing groove.

The outside of the annular supporting plate extends upwards to form a holding part.

The holding part comprises a supporting rod fixedly connected with the annular supporting plate and a grab handle fixedly connected with the supporting rod, and the grab handle is coaxial with the annular supporting plate.

The number of the supporting rods is three, and the supporting rods are arc-shaped.

And a gap is arranged between the support rod and the annular pressure limiting plate, and the gap is convenient for the locking screw to rotate.

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

the inner diameter of the six clamping plates is adjusted through the inner diameter adjusting device, so that the six clamping plates are suitable for different pairs of hexagon screws with different types, and the six clamping plates are flexible and convenient to use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the structure of the inner diameter adjusting device in the present utility model;

FIG. 4 is a schematic view of a limiting ring structure in the present utility model;

FIG. 5 is a schematic view of the structure of the annular support plate of the present utility model;

fig. 6 is a schematic view of a rotating plate structure in the present utility model.

The reference numbers shown in the drawings: 1. an annular support plate; 2. an annular pressure limiting plate; 3. a rotating plate; 4. a limit sliding block; 5. limiting sliding grooves; 6. a clamping plate; 7. a limit groove; 8. a limit column; 9. a fixing groove; 10. a locking screw; 11. a support rod; 12. a grab handle.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.

As shown in fig. 1-2, an inner hexagonal sleeve with a variable inner diameter comprises an annular supporting plate 1, an annular pressure limiting plate 2 sleeved outside the annular supporting plate 1, and locking screws 10 used for locking the annular pressure limiting plate 2 and the annular supporting plate 1, wherein through holes are formed in the middle of the annular supporting plate 1 and the annular pressure limiting plate 2, an inner diameter adjusting device is arranged between the annular supporting plate 1 and the annular pressure limiting plate 2, six clamping plates 6 are arranged on the inner diameter adjusting device, six clamping plates 6 always form a regular hexagon, the size of the regular hexagon can be changed along with the inner diameter adjusting device, and the inner diameter of the six clamping plates is adjusted through the inner diameter adjusting device, so that the inner diameter adjusting device is suitable for hexagonal screws with different types, and is flexible and convenient to use.

As shown in fig. 3-6, the inner diameter adjusting device comprises six triangular rotating plates 3, six triangular rotating plates 3 are adjacently arranged in an annular array, regular hexagonal through holes are formed in the triangular rotating plates, six clamping plates 6 are respectively vertically and downwardly extended and arranged below the six rotating plates 3, regular hexagonal limiting sliding grooves 5 are formed in the upper surface of the annular supporting plate 1, six limiting grooves 7 are formed in the annular array on the annular limiting plate, the included angle between each limiting groove 7 and the tangent line of the annular limiting plate is 60 degrees, limiting sliding blocks 4 are arranged on the lower surface of the rotating plate 3, limiting columns 8 are coaxially arranged on the upper surface of the rotating plate 3, the limiting sliding blocks 4 are located in the limiting sliding grooves 5, and the limiting columns 8 are located in the limiting grooves 7. The annular pressure limiting plate 2 is rotated, the rotating plate 3 is driven to rotate through the limiting columns 8 under the action of the limiting grooves 7, and six clamping plates 6 always form a regular hexagon due to the limitation of the regular hexagon limiting sliding grooves 5.

Further, the clamping plate 6 is flush with the inner side edge of the triangular rotating plate 3, so that the inner diameter adjusting range of the clamping plate is maximized.

Further, the fixing groove 9 is circumferentially arranged on the outer side of the annular supporting plate 1, and one end of the locking screw 10 is located in the fixing groove 9, so that the annular pressure limiting plate 2 can only rotate circumferentially along the annular supporting plate and cannot axially slide.

Further, the outside of annular support plate 1 upwards extends and sets up the portion of gripping, conveniently drives annular support plate 1 through the portion of gripping and rotates, and laborsaving to this inner hexagon socket need not to dispose the handle in addition.

The holding part comprises a supporting rod 11 fixedly connected with the annular supporting plate 1 and a grab handle 12 fixedly connected with the supporting rod 11, the grab handle 12 is coaxial with the annular supporting plate 1, the supporting rod can be a U-shaped supporting rod, in the embodiment, the supporting rod 11 is three and is arc-shaped, the tail ends of the three arc-shaped supporting rods are all connected with the grab handle and are arc-shaped, space is saved, and the appearance is attractive.

Further, a gap is formed between the supporting rod 11 and the annular pressure limiting plate 2, the gap is convenient for the annular pressure limiting plate 2 to rotate and adjust in size, the locking screws 10 pass through, the number of the locking screws 10 is 2, and the 2 locking screws 10 are symmetrically arranged, so that locking firmness is improved.

The principle of the device is as follows: the annular supporting plate 1 or the annular pressure limiting plate 2 is rotated, the rotating plate 3 is driven to rotate through the limiting columns 8 under the action of the limiting grooves 7, six clamping plates 6 always form a regular hexagon due to the limitation of the regular hexagon limiting sliding grooves 5, the inner diameter between the six clamping plates 3 is adjusted, the size of an inner hexagon sleeve is adjusted, and when the inner hexagon sleeve is adjusted to be of a proper size, the annular supporting plate 1 and the annular pressure limiting plate 2 are locked through the locking screws 10, so that the required size is fixed.

Claims

1. An inner hexagonal sleeve with variable inner diameter, which is characterized in that: including annular backup pad (1), cover establish annular pressure limiting board (2) in annular backup pad (1) outside to and be used for locking screw (10) of annular pressure limiting board (2) and annular backup pad (1), set up internal diameter adjusting device between annular backup pad (1) and annular pressure limiting board (2), set up six grip blocks (6) on the internal diameter adjusting device, six grip blocks (6) form a regular hexagon all the time, and regular hexagon size can be along with internal diameter adjusting device change.

2. The variable inner diameter socket head cap of claim 1, wherein: the inner diameter adjusting device comprises six triangular rotating plates (3), six triangular rotating plates (3) are adjacently arranged in an annular array, regular hexagon through holes are formed in the triangular rotating plates, six clamping plates (6) are respectively vertically and downwardly extended to be arranged below the six rotating plates (3), regular hexagon limiting sliding grooves (5) are formed in the upper surface of the annular supporting plate (1), six limiting grooves (7) are formed in the annular limiting plates in an annular array mode, the included angle between each limiting groove (7) and the tangent line of the annular limiting plate is 60 degrees, limiting sliding blocks (4) are arranged on the lower surface of each rotating plate (3), limiting columns (8) are coaxially arranged on the upper surface of each limiting sliding block, each limiting sliding block (4) is located in each limiting sliding groove (5), and each limiting column (8) is located in each limiting groove (7).

3. The variable inner diameter socket head cap of claim 2, wherein: the clamping plate (6) is flush with the inner side edge of the triangular rotating plate (3).

4. The variable inner diameter socket head cap of claim 1, wherein: the annular supporting plate (1) is circumferentially provided with a fixing groove (9), and one end of the locking screw (10) is positioned in the fixing groove (9).

5. The variable inner diameter socket head cap of claim 1, wherein: the outer side of the annular supporting plate (1) is provided with a holding part in an upward extending mode.

6. The variable inner diameter socket head cap of claim 5, wherein: the holding part comprises a supporting rod (11) fixedly connected with the annular supporting plate (1) and a grab handle fixedly connected with the supporting rod (11), and the grab handle is coaxial with the annular supporting plate (1).

7. The variable inner diameter socket head cap of claim 6, wherein: the number of the supporting rods (11) is three, and the supporting rods are arc-shaped.

8. A variable inner diameter socket head cap as defined in claim 6 or 7, wherein: a gap is arranged between the supporting rod (11) and the annular pressure limiting plate (2), and the gap is convenient for the locking screw (10) to rotate.