CN220561456U

CN220561456U - Spring pulling device

Info

Publication number: CN220561456U
Application number: CN202322155546.1U
Authority: CN
Inventors: 陈在国; 张伟
Original assignee: Zhejiang Xinji Electric Co ltd
Current assignee: Zhejiang Xinji Electric Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-08
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to a spring pulling device which comprises a fixed main body, a screw rod, a threaded piece and an alignment block, wherein the fixed main body is fixed relative to a spring, a screw hole for the screw rod to pass through is formed in the fixed main body, the threaded piece is positioned on the screw rod, the rotating threaded piece forms the movement of the screw rod along the screw hole, the alignment block is arranged on the other side of the screw rod relative to the threaded piece, and an alignment hole opposite to a pulling end of the spring is formed in the alignment block. The present utility model provides a spring puller that does not require the use of an additional driver.

Description

Spring pulling device

Technical Field

The utility model relates to a pull-off device, in particular to a spring pull-off device.

Background

The spring is a mechanical part which works by utilizing elasticity, and the part made of elastic materials deforms under the action of external force and returns to the original state after the external force is removed.

At present, for the spring with larger pulling force, the spring is fixed firstly, then one end of the air cylinder is fixed with the pulling end of the spring, and finally the pulling end of the spring is pulled to a required position by the air cylinder.

Disclosure of Invention

In view of the shortcomings of the prior art, it is an object of the present utility model to provide a spring puller that does not require the use of an additional drive member.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including fixed main part, screw rod, screw thread spare and counterpoint piece, fixed main part is fixed with the spring relatively, is provided with the screw that supplies the screw rod to pass on the fixed main part, screw thread spare and screw thread cooperation, counterpoint piece set up in the opposite side of the relative screw thread spare of screw rod, are provided with the counterpoint hole relative with the pulling end of spring on the counterpoint piece, and the screw thread spare can be hexagon nut.

Through adopting above-mentioned technical scheme, when needs carry out the extension to the spring, firstly fix the spring on corresponding device, then fix fixed main part and the device, use the spanner to rotate the screw member, thereby make the screw rod drive the counterpoint piece and remove, until the counterpoint hole of counterpoint piece is relative with the pulling end of spring, make the pulling end that the counterpoint piece can drive the spring remove, then continue to rotate the spanner, make the screw rod remove to the direction of keeping away from the spring, just at this moment drive the pulling end through counterpoint piece and remove, thereby make the spring be stretched, until reaching the position of needs, through adopting screw rod and screw member's mode, become the rotation of spanner to the screw member with the mode that directly pulls the spring removal, required pulling force has effectively been reduced, alright through manual mode at this moment, drive the spring is stretched, satisfy the user demand, need not to adopt extra actuating equipment to stretch the spring, reduce use cost.

The utility model is further provided with: the fixing main body comprises a first fixing plate, a second fixing plate and a connecting plate, wherein fixing grooves are formed in the tops of the first fixing plate and the second fixing plate, fixing blocks opposite to the fixing grooves are arranged on two sides of the connecting plate, and the fixing blocks are fixed to the fixing grooves through welding and form fixing of the first fixing plate, the connecting plate and the second fixing plate.

By adopting the technical scheme, the first fixing plate, the second fixing plate and the connecting plate can be connected in sequence during manufacturing and then are connected in a welding mode.

The utility model is further provided with: the first fixed plate, the connecting plate and the second fixed plate form a sliding groove, a sliding block which moves along the sliding groove is arranged on the fixed main body, a screw hole is formed in the sliding block, a communicating hole opposite to the moving track of the sliding block is formed in the connecting plate, and the communicating hole is in a waist circle shape.

By adopting the technical scheme, the sliding block plays a role in adjusting the height of the screw.

The utility model is further provided with: the first fixing plate and the second fixing plate are provided with extension parts extending to the positions where the alignment blocks are located, and the extension parts are provided with clamping grooves.

By adopting the technical scheme, the clamping groove can directly fix the fixing main body on the corresponding device.

The utility model is further provided with: the alignment block is internally provided with a linkage groove, the linkage groove extends out of the alignment block, the screw is provided with a linkage block fixed in the linkage groove, and the linkage block can be fixed in the linkage groove in a welding mode.

Drawings

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

FIG. 2 is a schematic view of another view of the whole structure of the present utility model;

fig. 3 is a schematic structural view of an alignment block according to the present utility model.

In the figure: 1. a fixing body; 11. a first fixing plate; 12. a connecting plate; 13. a second fixing plate; 14. a fixing groove; 15. a fixed block; 16. a slip groove; 17. a communication hole; 18. an extension; 19. a clamping groove; 2. a screw; 21. a linkage block; 3. a screw; 32. xx; 4. an alignment block; 41. an alignment hole; 42. a linkage groove; 5. a sliding block; 51. screw holes.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-3, the utility model discloses a spring pull-open device, which comprises a fixed main body 1, a screw rod 2, a threaded piece 3 and an alignment block 4, wherein the fixed main body 1 is fixed relative to a spring, a screw hole 51 for the screw rod 2 to pass through is formed in the fixed main body 1, the threaded piece 3 is in threaded fit with the screw hole 51, the alignment block 4 is arranged on the other side of the screw rod 2 relative to the threaded piece 3, an alignment hole 41 opposite to the pulling end of the spring is formed in the alignment block 4, the threaded piece 3 can be a hexagon nut, the mode of directly pulling the spring to move is changed into the mode of rotating the threaded piece 3 by adopting the screw rod 2 and the threaded piece 3, the required pulling force is effectively reduced, the spring can be driven to stretch by adopting a manual mode, the use requirement is met, the spring is not required to be stretched by adopting additional driving equipment, and the use cost is reduced.

The fixing body 1 comprises a first fixing plate 11, a second fixing plate 13 and a connecting plate 12, wherein fixing grooves 14 are formed in the tops of the first fixing plate 11 and the second fixing plate 13, fixing blocks 15 opposite to the fixing grooves 14 are arranged on two sides of the connecting plate 12, the fixing blocks 15 are fixed to the fixing grooves 14 through welding and form the fixing of the first fixing plate 11, the connecting plate 12 and the second fixing plate 13, and the first fixing plate 11, the second fixing plate 13 and the connecting plate 12 can be connected in sequence during manufacturing in a welding mode.

The first fixing plate 11, the connecting plate 12 and the second fixing plate 13 form a sliding groove 16, the fixing main body 1 is provided with a sliding block 5 which moves along the sliding groove 16, a screw hole 51 is formed in the sliding block 5, the connecting plate 12 is provided with a communication hole 17 which is opposite to the moving track of the sliding block 5, the communication hole 17 is in a waist circle shape, and the sliding block 5 plays a role in adjusting the height of the screw 2.

The first fixing plate 11 and the second fixing plate 13 are provided with extension portions 18 extending to the positions of the alignment blocks 4, the extension portions 18 are provided with engaging grooves 19, and the engaging grooves 19 can directly fix the fixing body 1 to the corresponding device.

The linkage groove 42 is arranged in the alignment block 4, the linkage groove 42 extends out of the alignment block 4, the linkage block fixed in the linkage groove 42 is arranged on the screw rod 2, and the linkage block can be fixed in the linkage groove 42 in a welding mode.

Specific examples: when the spring needs to be stretched, the spring is fixed on a corresponding device, then the fixing main body 1 is fixed with the device, the screw 3 is rotated by using a spanner, so that the screw rod 2 drives the alignment block 4 to move until the alignment hole 41 of the alignment block 4 is opposite to the pulling end of the spring, the alignment block 4 can drive the pulling end of the spring to move, then the spanner is continuously rotated, so that the screw rod 2 moves in a direction far away from the spring, and at the moment, the pulling end is driven to move by the alignment block 4, so that the spring is stretched until the required position is reached.

Claims

1. A spring puller, characterized by: the spring fixing device comprises a fixing main body (1), a screw rod (2), a threaded piece (3) and an alignment block (4), wherein the fixing main body (1) is fixed relative to a spring, a screw hole (51) for the screw rod (2) to pass through is formed in the fixing main body (1), the threaded piece (3) is in threaded fit with the screw hole (51), the alignment block (4) is arranged on the other side of the screw rod (2) relative to the threaded piece (3), and an alignment hole (41) opposite to the pulling end of the spring is formed in the alignment block (4); the fixing main body (1) comprises a first fixing plate (11), a second fixing plate (13) and a connecting plate (12), wherein fixing grooves (14) are formed in the tops of the first fixing plate (11) and the second fixing plate (13), fixing blocks (15) opposite to the fixing grooves (14) are arranged on two sides of the connecting plate (12), and the fixing blocks (15) are fixed to the fixing grooves (14) through welding and form the fixing of the first fixing plate (11), the connecting plate (12) and the second fixing plate (13).

2. A spring puller as set forth in claim 1 wherein: the first fixing plate (11), the connecting plate (12) and the second fixing plate (13) form a sliding groove (16), the fixing main body (1) is provided with a sliding block (5) which moves along the sliding groove (16), the screw hole (51) is formed in the sliding block (5), and the connecting plate (12) is provided with a communication hole (17) which is opposite to the moving track of the sliding block (5).

3. A spring puller as set forth in claim 2 wherein: the communicating hole (17) is in a waist circle shape.

4. A spring puller as set forth in claim 1 wherein: the first fixing plate (11) and the second fixing plate (13) are provided with extension parts (18) extending to the positions where the alignment blocks (4) are located, and the extension parts (18) are provided with clamping grooves (19).

5. A spring puller as set forth in claim 1 wherein: the alignment block (4) is internally provided with a linkage groove (42), the linkage groove (42) extends out of the alignment block (4), and the screw (2) is provided with a linkage block (21) fixed in the linkage groove (42).