CN215805915U

CN215805915U - Anti-drop's spiral spring fixing device

Info

Publication number: CN215805915U
Application number: CN202121818079.0U
Authority: CN
Inventors: 黄江风
Original assignee: Ningbo Zongda Electrical Spring Co ltd
Current assignee: Ningbo Zongda Electrical Spring Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-11
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses an anti-drop volute spring fixing device, which comprises a spring body, wherein one end inside the spring body is provided with a first ear-hook part, one end outside the spring body is provided with a second ear-hook part, the outer side of the spring body is sleeved with a fixing belt, one end of the fixing belt is provided with a first fixing column, the other end of the first fixing belt is provided with a plurality of first limiting holes for inserting the first fixing column, the top end of the first fixing column is provided with a groove, the inner part of the groove is provided with a second fixing column, two sides of the second fixing column are symmetrically provided with a pair of mounting grooves, the inner parts of the pair of mounting grooves are respectively provided with a return spring, the return spring is connected with a top pin at an opening part close to the mounting grooves, the outer side of the first fixing column is provided with a pair of second limiting holes for inserting the top pin, the volute spring fixing device has the advantages of simple and reasonable structure, novel design, simple and convenient operation, and can effectively fix the volute spring, has high practical value.

Description

Anti-drop's spiral spring fixing device

Technical Field

The utility model relates to the technical field of springs, in particular to an anti-falling volute spiral spring fixing device.

Background

The spring is widely used and almost indispensable element of general machinery, when it is acted by external force, it can produce elastic deformation, so that it can store strain energy and release it at random, in the spring type of flat spiral spring, also called clockwork spring, i.e. the material can be winded into flat spiral form, one end of which is fixed and the other end of which is acted with torque, under the action of torque the spring material can produce bending elastic deformation, so that the spring can produce torsion in the plane, so that the spring can produce torsion in its own plane.

At present when selling or transporting volute spiral spring, the phenomenon of scattering often can appear, is unfavorable for subsequent installation of volute spiral spring and use like this, and current comparatively simple to volute spiral spring fixing device, drops easily after fixed, has influenced user's use, therefore we make the improvement to this, provide an anti-drop's volute spiral spring fixing device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses an anti-falling volute spring fixing device which comprises a spring body, wherein a first ear-hook part is arranged at one end inside the spring body, a second ear-hook part is arranged at one end outside the spring body, a fixing belt is sleeved outside the spring body, a first fixing column is arranged at one end of the fixing belt, a plurality of first limiting holes for inserting the first fixing column are formed in the other end of the first fixing belt, a groove is formed in the top end of the first fixing column, a second fixing column is arranged inside the groove, a pair of mounting grooves are symmetrically formed in two sides of the second fixing column, return springs are arranged inside the pair of mounting grooves, ejector pins are connected to openings close to the mounting grooves of the return springs, and a pair of second limiting holes for inserting the ejector pins are formed in the outer side of the first fixing column.

As a preferable technical scheme of the present invention, a knob is sleeved on a top end of the second fixing column, and a sliding groove for sliding the knock pin is provided on an inner wall of the first fixing column.

As a preferred technical scheme of the utility model, a mounting box is arranged at one end of the fixing band close to the first limiting hole, a fixing rod is arranged in the mounting box, a coil spring is sleeved on the fixing rod, and one end of the coil spring is connected with a fixing rope.

According to a preferable technical scheme of the utility model, a round hole is formed in one side of the mounting box, one end of the fixing rope penetrates through the round hole to extend to the outer side of the mounting box and is connected with a hook, and a hanging ring is arranged on one side of the mounting box far away from the hook.

As a preferred technical scheme of the utility model, the fixing band is made of engineering plastics, and the inner side of the fixing band is provided with anti-skid textures.

As a preferable technical scheme of the utility model, the spring body, the first ear-hook part and the second ear-hook part are formed by integrally rolling a flat strip-shaped section bar, and lubricating oil is coated on the surfaces of the spring body, the first ear-hook part and the second ear-hook part.

As a preferable technical solution of the present invention, an outer diameter of the first fixing column is slightly smaller than an inner diameter of the first limiting hole, and an external dimension of the knock pin is slightly smaller than an inner diameter of the second limiting hole.

The utility model has the beneficial effects that:

1. the anti-falling volute spring fixing device has the advantages that the first limiting hole is matched with the first fixing column for use, effective fixing of the outer side of the spring body is achieved, when the first fixing column penetrates through the first limiting hole, the ejector pin rotates along the sliding groove through the rotary knob, when the ejector pin rotates to the second limiting hole, due to the fact that the ejector pin is under the acting force of the reset spring, the ejector pin and the second limiting hole are clamped, the first fixing column is effectively prevented from sliding out of the first limiting hole, connecting strength of the structure is improved, and safety of the device is improved;

2. the anti-drop volute spiral spring fixing device has the advantages that the fixing rope is used in cooperation with the mounting box, the hanging ring, the fixing rope and the hook, the fixing rope is effectively bound on the spring body, the spring body is prevented from falling off, workers are prevented from being injured when the spring body falls off, and the safety of the device is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of an anti-drop spiral spring fixing device of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 of an anti-separation wrap spring mounting apparatus of the present invention;

FIG. 3 is a schematic view of the internal structures of the first and second fixing posts of the anti-falling off scroll spring fixing device of the present invention;

fig. 4 is a sectional view of a mounting case of a drop-proof wrap spring fixing device of the present invention.

In the figure: 1. a spring body; 2. a first ear-hook portion; 3. a second ear hook portion; 4. fixing belts; 5. a first limit hole; 6. a first fixed column; 7. a second fixed column; 8. mounting grooves; 9. a return spring; 10. a knock pin; 11. a second limiting hole; 12. a chute; 13. a knob; 14. mounting a box; 15. hanging a ring; 16. fixing the rod; 17. fixing a rope; 18. and (4) hanging hooks.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 4, the anti-drop spiral spring fixing device of the present invention comprises a spring body 1, a first ear-hook part 2 is arranged at one end of the interior of the spring body 1, a second ear-hook part 3 is arranged at one end of the outer side of the spring body 1, the outer side of the spring body 1 is sleeved with a fixing belt 4, one end of the fixing belt 4 is provided with a first fixing column 6, the other end of the first fixing belt 4 is provided with a plurality of first limiting holes 5 for inserting the first fixing columns 6, the top end of the first fixing column 6 is provided with a groove, a second fixing column 7 is arranged in the groove, a pair of mounting grooves 8 are symmetrically formed in both sides of the second fixing column 7, a return spring 9 is arranged inside each mounting groove 8, the reset spring 9 is connected with a top pin 10 at an opening close to the mounting groove 8, and a pair of second limiting holes 11 for inserting the top pin 10 are formed in the outer side of the first fixing column 6.

The top end of the second fixing column 7 is sleeved with a knob 13, and the inner wall of the first fixing column 6 is provided with a sliding groove 12 for the ejector pin 10 to slide.

The fixing band 4 is provided with a mounting box 14 at one end close to the first limiting hole 5, a fixing rod 16 is arranged inside the mounting box 14, a coil spring is sleeved on the fixing rod 16, and one end of the coil spring is connected with a fixing rope 17.

Wherein, a round hole is arranged on one side of the mounting box 14, one end of the fixing rope 17 passes through the round hole and extends to the outer side of the mounting box 14 and is connected with the hook 18, the mounting box 14 is provided with the hanging ring 15 on one side far away from the hook 18, thereby realizing the effective binding of the fixing rope 17 to the spring body 1, preventing the spring body 1 from falling off, avoiding the injury of workers when the spring body 1 falls off, and improving the safety of the device.

Wherein, fixed band 4 is the engineering plastics material, just the inboard of fixed band 4 is equipped with anti-skidding texture, has improved the frictional force of fixed band 4, has prevented the desliding of spring body 1.

The spring body 1, the first ear-hook part 2 and the second ear-hook part 3 are formed by integrally rolling a flat strip-shaped section bar, and lubricating oil is coated on the surfaces of the flat strip-shaped section bar.

The outer diameter of the first fixing column 6 is slightly smaller than the inner diameter of the first limiting hole 5, and the external size of the ejector pin 10 is slightly smaller than the inner diameter of the second limiting hole 11.

The working principle is as follows: when the device is used, the integrity of the device is firstly checked, the first fixing column 6 is matched with the first limiting hole 5, the outer side of the spring body 1 is effectively fixed, when the first fixing column 6 passes through the first limiting hole 5, the ejector pin 10 rotates along the sliding groove 12 through the rotary knob 13, when the ejector pin 10 rotates to the second limiting hole 11, the ejector pin 10 is under the action of the reset spring 9, the limit clamping of the ejector pin 10 and the second limiting hole 11 is realized, the first fixing column 6 is effectively prevented from sliding out of the first limiting hole 5, the connection strength of the structure is increased, the safety of the device is improved, the effective binding of the fixing rope 17 to the spring body 1 is realized through the matched use of the mounting box 14, the hanging ring 15, the fixing rope 17 and the hook 18, the falling of the spring body 1 is prevented, and workers are prevented from being injured when the spring body 1 falls off, the scroll spring fixing device has the advantages of simple and reasonable structure, novel design, simplicity and convenience in operation, capability of effectively fixing the scroll spring and higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-falling volute spiral spring fixing device comprises a spring body (1) and is characterized in that a first ear-hook portion (2) is arranged at one end inside the spring body (1), a second ear-hook portion (3) is arranged at one end outside the spring body (1), a fixing belt (4) is sleeved outside the spring body (1), a first fixing column (6) is arranged at one end of the fixing belt (4), a plurality of first limiting holes (5) for the first fixing column (6) to be inserted into are formed in the other end of the first fixing belt (4), a groove is formed in the top end of the first fixing column (6), a second fixing column (7) is arranged inside the groove, a pair of mounting grooves (8) are symmetrically formed in two sides of the second fixing column (7), a reset spring (9) is arranged inside each mounting groove (8), and the reset spring (9) is connected with a top pin (10) at an opening close to each mounting groove (8), and a pair of second limiting holes (11) for inserting the ejector pins (10) are formed in the outer side of the first fixing column (6).

2. The anti-drop volute spiral spring fixing device as claimed in claim 1, wherein a knob (13) is sleeved on a top end of the second fixing column (7), and a sliding groove (12) for sliding the top pin (10) is formed on an inner wall of the first fixing column (6).

3. An anti-drop scroll spring fixing device as claimed in claim 1, wherein the fixing band (4) is provided with a mounting box (14) at one end close to the first limiting hole (5), a fixing rod (16) is arranged inside the mounting box (14), the fixing rod (16) is sleeved with a coil spring, and one end of the coil spring is connected with a fixing rope (17).

4. An anti-drop volute spiral spring fixing device as claimed in claim 3, wherein a round hole is formed at one side of the mounting box (14), one end of the fixing rope (17) passes through the round hole and extends to the outside of the mounting box (14) and is connected with a hook (18), and a hanging ring (15) is arranged at one side of the mounting box (14) far away from the hook (18).

5. The anti-drop scroll spring fixing device according to claim 1, wherein the fixing band (4) is made of engineering plastic, and the inner side of the fixing band (4) is provided with anti-slip textures.

6. The anti-drop volute spring fixing device as claimed in claim 1, wherein the spring body (1), the first ear-hook portion (2) and the second ear-hook portion (3) are integrally formed by rolling a flat strip-shaped profile, and the surfaces of the spring body, the first ear-hook portion and the second ear-hook portion are coated with lubricating oil.

7. An anti-drop scroll spring fixing device as claimed in claim 1, wherein the outer diameter of the first fixing column (6) is slightly smaller than the inner diameter of the first limiting hole (5), and the outer dimension of the top pin (10) is slightly smaller than the inner diameter of the second limiting hole (11).