CN212028399U

CN212028399U - Novel length adjustment spring

Info

Publication number: CN212028399U
Application number: CN202020594881.5U
Authority: CN
Inventors: 余光好
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-27
Anticipated expiration: 2030-04-20

Abstract

The utility model provides a novel length adjustment spring, including the spring body, the one end of the spring body is connected with the connecting portion that are used for connecting the foreign object, is connected with the threaded rod that stretches out to the other end on the spring body, is connected with the connecting seat on the threaded rod, set up on the connecting seat with threaded rod complex screw, be connected with the length adjustment device who is used for adjusting chain length on the connecting seat, be connected with the chain on the length adjustment device, the other end of chain is connected with foreign object connecting device. The utility model discloses a chain can adjust length, is suitable for the use between the object of different distances, and length adjustment is convenient, and the suitability is strong.

Description

Novel length adjustment spring

Technical Field

The utility model relates to a spring, in particular to novel length adjustment spring.

Background

A spring is a mechanical part that works by elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed. However, most of the existing springs are fixed in length, and when two ends of each spring need to be hung on two objects for use, the springs with different lengths need to be selected according to the distance between the two objects. The market also has few springs with adjustable length, but has the problems of complex structure, high production cost and inconvenient length adjustment.

The spring is a small component throughout the manufacturing industry, but its function is absolutely not underestimated. The spring is one of essential parts and parts for national industrial manufacturing, and the development of the whole national industry plays an important role in spring products. However, most of the existing springs are fixed in length, the length of extension or compression is limited, when two ends of the spring need to be hung on two objects for use, the springs with different lengths need to be selected according to the distance between the two objects, and the applicability is insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel length adjustment spring has solved among the prior art spring and can't carry out length adjustment by a wide margin, the not enough defect of suitability.

The technical scheme of the utility model is realized like this:

the utility model provides a novel length adjustment spring, includes the spring body, and the one end of spring body is connected with the connecting portion that are used for connecting the foreign object, is connected with the threaded rod that stretches out to the other end on the spring body, is connected with the connecting seat on the threaded rod, set up on the connecting seat with threaded rod complex screw, be connected with the length adjustment device who is used for adjusting chain length on the connecting seat, be connected with the chain on the length adjustment device, the other end of chain is connected with foreign object connecting device.

Further, the threaded rod is welded to an end of the spring body.

Furthermore, an inner nut is arranged in the spring body, an anti-falling device for preventing the inner nut from sliding out is further arranged on the spring body, and the threaded rod is connected with the inner nut.

Furthermore, the anti-falling device is an annular blocking piece which is welded at the end part of the spring body or inserted in a gap at one end of the spring body.

Furthermore, the spring body and the one end that the threaded rod corresponds are the conical spring end that reduces, the one end fixedly connected with of threaded rod keeps off the head, and the horizontal width of keeping off the head is greater than the minimum internal diameter that conical spring held, and the horizontal width of keeping off the head is less than the internal diameter of the spring body.

Further, the length adjusting device is a hook.

Further, the hook is a plate-shaped hook, and a chain connecting hole connected with the chain is formed in the plate-shaped hook.

Further, the chain is formed by connecting a plurality of detachable chain rings in sequence.

Further, the connecting part is a hanging ring or a hook, and the foreign object connecting device is a hanging ring or a hook.

Furthermore, an end cover is sleeved outside the threaded rod.

The utility model has the advantages that: the utility model discloses a chain can adjust length, is suitable for the use between the object of different distances, and length adjustment is convenient, and the suitability is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of example 2;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a cross-sectional view of the spring body of FIG. 4;

FIG. 6 is a schematic structural view of embodiment 3;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a cross-sectional view of the spring body of FIG. 7;

FIG. 9 is a schematic structural view of example 4;

fig. 10 is an exploded view of fig. 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, a novel length adjustment spring comprises a spring body 1, wherein one end of the spring body 1 is connected with a connecting portion 11 used for connecting foreign objects, a threaded rod 2 extending towards the other end is connected to the spring body 1, a connecting seat 3 is connected to the threaded rod 2, a screw hole matched with the threaded rod is formed in the connecting seat 3, a length adjustment device 4 used for adjusting the length of a chain is connected to the connecting seat 3, a chain 5 is connected to the length adjustment device 4, and a foreign object connecting device 51 is connected to the other end of the chain 5.

Further, the threaded rod 2 is welded to the end of the spring body 1.

Further, the length adjusting device 4 is a hook.

Further, the hook 4 is a plate-shaped hook, and a chain connecting hole 41 connected with the chain is formed in the plate-shaped hook, so that the chain 5 can be prevented from being lost.

Further, the chain 5 is formed by connecting a plurality of detachable chain rings in sequence, and the length can be conveniently further adjusted.

Further, the connecting part 11 is a hanging ring or a hook, and the foreign object connecting device 51 is a hanging ring or a hook.

Furthermore, an end cover 7 is sleeved outside the threaded rod 2.

The utility model discloses a length can be adjusted to chain 5, is suitable for the use between the object of different distances, and length adjustment is convenient, and the suitability is strong.

Example 2

Referring to fig. 3 to 5, the present embodiment is different from embodiment 1 in that: the threaded rod 2 of the embodiment is not fixedly connected with the spring body by welding, but the inner nut 61 is arranged in the spring body, the spring body 1 is also provided with an anti-falling device for preventing the inner nut 61 from sliding out, and the threaded rod is connected with the inner nut.

Further, the anti-falling device is an annular baffle plate 62, and the annular baffle plate 62 is welded at the end of the spring body 1.

Example 3

Referring to fig. 6 to 8, the present embodiment is different from embodiment 2 in that: the ring-shaped baffle plate 62 is inserted into a gap at one end of the spring body 1.

Example 4

Referring to fig. 9 to 10, the present embodiment is different from embodiment 1 in that: this embodiment threaded rod 2 not through the welding with 1 fixed connection of spring body, spring body 1 with the one end that threaded rod 2 corresponds is conical spring end 12 for reducing, 2 one end fixedly connected with of threaded rod keeps off head 21, and the horizontal width of keeping off head 21 is greater than the minimum internal diameter of conical spring end 12, and the horizontal width of keeping off head 21 is less than the internal diameter of spring body 1. During assembly, the threaded rod 1 is inserted from the large head end of the spring body 1, the conical spring end 12 clamps the stop head 21, and the threaded rod 2 penetrates out of the spring body 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel length adjustment spring which is characterized in that: including the spring body, the one end of the spring body is connected with the connecting portion that is used for connecting the foreign object, is connected with the threaded rod that stretches out to the other end on the spring body, is connected with the connecting seat on the threaded rod, set up on the connecting seat with threaded rod complex screw, be connected with the length adjustment device who is used for adjusting chain length on the connecting seat, be connected with the chain on the length adjustment device, the other end of chain is connected with foreign object connecting device.

2. A novel length adjustment spring as claimed in claim 1, wherein: the threaded rod is welded to the end of the spring body.

3. A novel length adjustment spring as claimed in claim 1, wherein: an inner nut is arranged in the spring body, an anti-falling device for preventing the inner nut from sliding out is further arranged on the spring body, and the threaded rod is connected with the inner nut.

4. A novel length adjustment spring as claimed in claim 3, wherein: the anti-falling device is an annular blocking piece, and the annular blocking piece is welded at the end part of the spring body or inserted in a gap at one end of the spring body.

5. A novel length adjustment spring as claimed in claim 1, wherein: the one end that the spring body with the threaded rod corresponds is the conical spring end that reduces, the one end fixedly connected with of threaded rod keeps off the head, and the horizontal width of keeping off the head is greater than the minimum internal diameter that conical spring held, and the horizontal width of keeping off the head is less than the internal diameter of the spring body.

6. A novel length adjustment spring as claimed in any one of claims 1 to 5, wherein: the length adjusting device is a hook.

7. The novel length adjustment spring as claimed in claim 6, wherein: the hook is a plate-shaped hook, and a chain connecting hole connected with the chain is formed in the plate-shaped hook.

8. A novel length adjustment spring as claimed in any one of claims 1 to 5, wherein: the chain is formed by connecting a plurality of detachable chain rings in sequence.

9. A novel length adjustment spring as claimed in any one of claims 1 to 5, wherein: the connecting part is a hanging ring or a hook, and the foreign object connecting device is a hanging ring or a hook.

10. A novel length adjustment spring as claimed in any one of claims 1 to 5, wherein: an end cover is sleeved outside the threaded rod.