CN215237494U

CN215237494U - Extension spring hook portion expanding structure

Info

Publication number: CN215237494U
Application number: CN202120720641.XU
Authority: CN
Inventors: 杨众寅
Original assignee: Suzhou Zhongyin Spring Manufacture Co ltd
Current assignee: Suzhou Zhongyin Spring Manufacture Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-21
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to an extension spring hook portion expansion structure, it includes: the device comprises a workbench, a fixed seat fixed at the top of the workbench, a placing groove formed on the fixed seat, an expansion piece placed in the placing groove and a lifting column arranged above the fixed seat in a lifting manner; the expansion piece consists of a conical part, a cylindrical part integrally connected to the bottom of the conical part and a connecting part connected with the cylindrical part, and when the connecting part is placed in the placing groove, the cylindrical part is clamped on the upper surface of the fixed seat; the lifting column is provided with a lifting groove and a notch arranged at the end part of the lifting groove. The utility model discloses simple structure will treat the extension spring one end of expansion and put on the extension piece, because the design of extension piece toper portion, accomplishes the expansion of extension spring tip at the decline in-process of lift post, and the extension spring after the expansion can directly be followed the connecting portion other end and taken out moreover, makes things convenient for artificial operation.

Description

Extension spring hook portion expanding structure

Technical Field

The utility model belongs to spring processing technology field, concretely relates to extension spring hook portion expanding structure.

Background

The extension spring (also called tension spring, simply called tension spring) is a helical spring bearing axial tension, and is generally made of round section material, and when not bearing load, the rings of the extension spring are generally parallel and tight without gaps.

In the prior art, after the tension spring is processed in a workshop, according to the requirement of actual conditions, hook parts at two ends of the tension spring need to be correspondingly expanded, and the expansion of the hook parts of the tension spring at present also depends on a machine tool for manufacturing the tension spring, so that the adjustment of the precision and parameters of the machine tool is more severe and is not easy to realize.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an extension structure of a tension spring hook part.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an extension spring hook portion expanding structure, comprising:

the device comprises a workbench, a fixed seat fixed at the top of the workbench, a placing groove formed on the fixed seat, an expansion piece placed in the placing groove and a lifting column arranged above the fixed seat in a lifting manner;

the expansion piece consists of a conical part, a cylindrical part integrally connected to the bottom of the conical part and a connecting part connected with the cylindrical part, and when the connecting part is placed in the placing groove, the cylindrical part is clamped on the upper surface of the fixed seat;

the lifting column is provided with a lifting groove and a notch arranged at the end part of the lifting groove.

Optimally, it is still including setting up the support column of workstation one side, fixing the fixed station at support column top, wear to establish the fixed station is kept away from the lifter plate of support column one side, is fixed the backup pad at lifter plate top, fix on the fixed station and run through the dead lever of backup pad, connection be in the fixed rod tip with the spring and the setting at backup pad top are in just be used for controlling on one side of the fixed station the handle that the lifter plate goes up and down, the lift post is fixed the lifter plate bottom.

Optimally, the fixing seat comprises a first fixing column fixed on the top of the workbench, a second fixing column and a third fixing column which are sequentially arranged on the top of the first fixing column, and reinforcing ribs which are fixed on the peripheral surface of the first fixing column at intervals.

Preferably, the length of the connecting part is not greater than the depth of the placing groove.

Preferably, the lifting column and the placing groove are on the same axis.

Preferably, the diameter of the connecting portion is smaller than the diameter of the cylindrical portion.

Preferably, the diameter of the placement groove is equal to the diameter of the connection portion.

Preferably, the depth of the lifting groove is not less than the sum of the heights of the conical part and the cylindrical part.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses simple structure will treat the extension spring hook portion one end of expansion and put on the extension piece, because the design of extension piece toper portion, accomplish the expansion of extension spring tip at the decline in-process of lift post, and the extension spring after the expansion can directly be followed the connecting portion other end and taken out moreover, makes things convenient for artificial operation.

Drawings

FIG. 1 is a schematic structural view of a tension spring of the utility model;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

FIG. 4 is a cross-sectional view of the expanding member of the present invention after being placed in the fixing base;

fig. 5 is a schematic structural view of the lifting column of the present invention;

FIG. 6 is a schematic view of the structure of the stent of the present invention;

fig. 7 is a schematic structural view of the fixing base of the present invention;

description of reference numerals:

1. a support table; 2. a work table; 3. a fixed seat; 31. a first fixed column; 32. a second fixed column; 33. a third fixing column; 34. reinforcing ribs; 35. a placement groove; 4. an expansion member; 41. a tapered portion; 42. a cylindrical portion; 43. a connecting portion; 5. a lifting column; 51. a lifting groove; 52. a notch; 6. a support pillar; 7. a fixed table; 8. a lifting plate; 9. a handle; 10. a support plate; 11. a spring; 12. and (5) fixing the rod.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

As shown in fig. 1 to 7, the extension spring hook portion expanding structure of the present invention is generally used for expanding hook portions at two ends of an extension spring (as shown in fig. 1, a schematic structural diagram of the extension spring is shown, and two ends of the extension spring are respectively provided with a circular hook portion). The device mainly comprises a supporting table 1, a workbench 2, a fixed seat 3, an expansion piece 4, a lifting column 5, a supporting column 6, a fixed table 7, a lifting plate 8, a handle 9, a supporting plate 10, a spring 11, a fixed rod 12 and the like.

The support table 1 is usually fixed on the processing machine (the support table 1 is in a frustum pyramid shape, and the lower bottom surface of the frustum pyramid is welded on the processing machine and mainly plays a supporting role). The table 2 is fixed to the support table 1 (the table 2 is a rectangular metal plate, and can be fixed by a screw fastening method). The fixing base 3 is fixed on the top of the workbench 2, as shown in fig. 7, the fixing base 3 is composed of a first fixing column 31, a second fixing column 32, a third fixing column 33, a reinforcing rib 34 and a placing groove 35, the first fixing column 31 is fixed on the top of the workbench 2, and the second fixing column 32 and the third fixing column 33 are sequentially fixed on the first fixing column 31 (in this embodiment, the diameters of the first fixing column 31, the second fixing column 32 and the third fixing column 33 are sequentially reduced from bottom to top). Standing groove 35 sets up on fixing base 3, and stiffening rib 35 has many, and they interval is fixed on first fixed column 31 global for improve the intensity of structure.

The expansion element 4 is placed in the placement groove 35, and the hook of the tension spring is placed on the expansion element 4 in actual operation. As shown in fig. 6, the expansion piece 4 is composed of a tapered portion 41, a cylindrical portion 42 integrally connected to the bottom of the tapered portion 41, and a connecting portion 43 connected to the bottom of the cylindrical portion 42, wherein the cylindrical portion 42 is engaged with the upper surface of the third fixing post 33 when the connecting portion 43 is placed in the placement groove 35 (in this embodiment, the length of the connecting portion 43 is not greater than the depth of the placement groove 35, the diameter of the connecting portion 43 is smaller than the diameter of the cylindrical portion 42, and the diameter of the placement groove 35 is equal to the diameter of the connecting portion 43).

The support column 6 is fixed on the processing machine table (the support column 6 is fixed on the processing machine table through a connecting flange and is positioned on one side of the workbench 2). The fixed station 7 is fixed on the top of the support column 6 and is positioned above the workbench 2. Lifter plate 8 wears to establish in one side that support column 6 was kept away from to fixed station 7, and handle 9 sets up in fixed station 7 one side and is used for controlling lifter plate 8 to go up and down (there is intermeshing's gear and rack fixed at lifter plate 8 inboardly inside fixed station 7, and handle 9 is connected with the gear middle part to it is fixed through the parallel key, consequently rotates handle 9, can drive the gear revolve, can drive lifter plate 8 simultaneously and realize going up and down). The supporting plate 10 is fixed on top of the lifting plate 8 (the supporting plate 10 is fixed on top of the lifting plate 8 by means of screw fastening). The fixing rod 12 is L-shaped, one end of which penetrates through the lifting plate 8 and is fixed with the fixing platform 7, and the other end of which is positioned above the supporting plate 10. The spring 11 is an extension spring, one end of the spring is connected with the end part of the fixed rod 12, the other end of the spring is connected with the top of the supporting plate 10, the lifting plate 8 descends along with the rotation of the handle 9, and the spring 11 is lengthened; in the present embodiment, the spring 11 plays a role of return.

The lifting column 5 is fixed at the bottom of the lifting plate 8 and is used for pressing down the hook part of the extension spring placed on the expansion piece 4 (the lifting column 5 and the placing groove 35 are on the same axis). As shown in fig. 5, the lifting column 5 has a lifting groove 51 and a notch 52 opened at an end of the lifting groove 51 (the depth of the lifting groove 51 is not less than the sum of the heights of the tapered portion 41 and the cylindrical portion 42).

Further, the lifting of the lifting column 5 can be driven by a linear sliding table without the matching mode of the gear and the rack.

The utility model discloses extension spring hook portion expanding structure's principle as follows:

firstly, the expansion piece 4 is placed in the placing groove 35 (at this time, the connecting part 43 is placed in the placing groove 35, and the cylindrical part 42 is clamped on the upper surface of the third fixing column 33); the hook part at one end of the extension spring is placed on the expansion piece 4, the handle 9 is rotated, the lifting plate 8 drives the lifting column 5 to descend, in the descending process, the lifting groove 51 penetrates through the expansion piece 4, the hook part of the tension spring is pressed to the cylindrical part 42 from the conical part 41 (due to the design of the conical part 41 of the expansion piece 4, the expansion of the end part of the tension spring is completed in the descending process of the lifting column 5), and the expanded tension spring can be directly taken out from the other end of the connecting part 43; then the handle 9 is lifted, the hook part at the other end of the tension spring is placed on the expansion piece 4, and the steps are repeated.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an extension spring hook portion expanding structure which characterized in that, it includes:

the device comprises a workbench (2) and a fixed seat (3) fixed at the top of the workbench (2), wherein a placing groove (35) is formed in the fixed seat (3), an expansion piece (4) placed in the placing groove (35) and a lifting column (5) arranged above the fixed seat (3) in a lifting manner;

the expansion piece (4) consists of a conical part (41), a cylindrical part (42) integrally connected to the bottom of the conical part (41) and a connecting part (43) connected with the cylindrical part (42), and when the connecting part (43) is placed in the placing groove (35), the cylindrical part (42) is clamped on the upper surface of the fixed seat (3);

the lifting column (5) is provided with a lifting groove (51) and a notch (52) arranged at the end part of the lifting groove (51).

2. The extension spring hook portion expanding structure of claim 1, wherein: it is still including setting up support column (6) of workstation (2) one side, fix fixed station (7) at support column (6) top, wear to establish fixed station (7) are kept away from lifter plate (8) of support column (6) one side, are fixed backup pad (10) at lifter plate (8) top, fix on fixed station (7) and run through dead lever (12) of backup pad (10), connect dead lever (12) tip with spring (11) and the setting at backup pad (10) top are in fixed station (7) one side and be used for control handle (9) that lifter plate (8) go up and down, lift post (5) are fixed lifter plate (8) bottom.

3. The extension spring hook portion expanding structure of claim 1, wherein: the fixing seat (3) comprises a first fixing column (31) fixed to the top of the workbench (2), a second fixing column (32) and a third fixing column (33) which are sequentially arranged on the top of the first fixing column (31), and reinforcing ribs (34) fixed to the peripheral surface of the first fixing column (31) at intervals.

4. The extension spring hook portion expanding structure of claim 1, wherein: the length of the connecting part (43) is not more than the depth of the placing groove (35).

5. The extension spring hook portion expanding structure of claim 1, wherein: the lifting column (5) and the placing groove (35) are on the same axis.

6. The extension spring hook portion expanding structure of claim 1, wherein: the connecting portion (43) has a diameter smaller than that of the cylindrical portion (42).

7. The extension spring hook portion expanding structure of claim 1, wherein: the diameter of the placement groove (35) is equal to the diameter of the connecting portion (43).

8. The extension spring hook portion expanding structure of claim 1, wherein: the depth of the lifting groove (51) is not less than the sum of the heights of the conical part (41) and the cylindrical part (42).