CN213628616U

CN213628616U - Novel spring

Info

Publication number: CN213628616U
Application number: CN202022455968.7U
Authority: CN
Inventors: 叶隆; 周文成
Original assignee: Yongjia Sanhe Spring Co ltd
Current assignee: Zhejiang Sanhe Spring Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-06
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a novel spring, including first spring body and second spring body, first spring body and the coaxial setting of second spring body, the pitch of first spring body and second spring body is the same, and the pitch of first spring body is greater than the pitch of second spring body, and the inboard spiral of first spring body is provided with spiral chute, spiral chute sets up along the extending direction of first spring body, second spring body screw in among the spiral chute, the axial displacement along first spring body when the second spring body is rotatory in spiral chute. The utility model discloses the accessible changes initial state length, makes the compensation to the change of its length and elasticity to guarantee the normal use effect of this spring.

Description

Novel spring

Technical Field

The utility model relates to a spring especially relates to a can change novel spring of initial state length.

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. The compression spring (pressure spring) is a spiral spring bearing axial pressure, and the shape of the compression spring is as follows: the compression spring is cylindrical, conical, convex and concave, and a small number of non-circular shapes, and the like, a certain gap is reserved between the rings of the compression spring, and the compression spring contracts and deforms when subjected to external load, so that deformation energy is stored. However, when the existing spring is used for a long time, the initial length of the spring is shortened, the elasticity of the spring is weakened, and the normal use effect of the spring is greatly influenced.

Therefore, there is a need in the market for a new spring with a changeable initial state length to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel spring, the utility model discloses the accessible changes initial state length, makes the compensation to the change of its length and elasticity to guarantee the normal use effect of this spring.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel spring, includes first spring body and second spring body, first spring body and the coaxial setting of second spring body, the pitch of first spring body and second spring body is the same, and the pitch of first spring body is greater than the pitch of second spring body, and the inboard spiral of first spring body is provided with spiral chute, spiral chute sets up along the extending direction of first spring body, second spring body screw in the spiral chute, the axial displacement along first spring body is followed in the second spring body is rotatory in spiral chute.

Through adopting above-mentioned technical scheme, use in the spiral chute with the first spring body of second spring body screw in, the axial displacement of the first spring body can be followed to the second spring body when rotatory in the spiral chute, therefore, the screw in degree of depth of the second spring body is adjusted according to the in-service use needs, when the spring shortens and elasticity weakens because of having used for a long time and causing initial length, can suitably revolve the second spring body outward, and then make its whole length increase, and can improve its holistic elasticity, thereby guarantee the normal use effect of this spring.

The utility model discloses further set up to, still including the lock sleeve that is used for locking first spring body and second spring body, the lock sleeve cover is located on the cooperation position that first spring body and second spring body, the lock sleeve includes big circle portion and small circle portion, the inner wall of big circle portion closely laminates with the outer wall of first spring body, the inner wall of small circle portion closely laminates with the outer wall of second spring body.

Through adopting above-mentioned technical scheme, can lock the second spring body, when avoiding the spring whole flexible, the second spring body produces the displacement.

The utility model discloses further set up to, be equipped with on the inner wall of the little circle portion of lock sleeve and play spring body outer wall with the second and constitute extrusion fit's locking arch.

Through adopting above-mentioned technical scheme, can further promote the locking effect of second spring body.

The utility model discloses further set up to, the both ends of lock sleeve inner wall are equipped with the flaring of a big end outside respectively.

By adopting the technical scheme, the locking sleeve can be sleeved on the matching part of the first spring body and the second spring body conveniently, and the locking sleeve can be installed and adjusted quickly.

The utility model discloses further set up to, the mounting groove has been seted up on the locking cover, inlays on the mounting groove and is equipped with the ejector pad, and the upper surface of ejector pad is equipped with a plurality of anti-skidding sand grips.

Through adopting above-mentioned technical scheme, do benefit to operating personnel and point to press the ejector pad and exert the effort to the lock sleeve to order about the lock sleeve to slide along the extending direction of the first spring body.

The utility model discloses further set up as, the both ends of spiral chute are equipped with the fillet respectively, the lower extreme that the second sprung body is equipped with the calotte.

Through adopting above-mentioned technical scheme, made things convenient for the second greatly and sprung the lower extreme and inserted in the spiral spout, do benefit to the installation that the second sprung the body.

The utility model discloses further set up as, the second is the loudspeaker form of big-end-up on the upper portion of the spring body.

Through adopting above-mentioned technical scheme, can promote the stability of spring unit mount.

The utility model discloses further set up to, first spring body all spouts to cover with the top layer of second spring body has the paint layer.

Through adopting above-mentioned technical scheme, can improve the antioxidant property of first spring body and second spring body, avoid producing and rust to improve the life of the two.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural view of the first spring body of the present invention;

fig. 3 is a schematic structural view of a second spring body of the present invention;

fig. 4 is a schematic structural view of the locking sleeve of the present invention;

fig. 5 is a schematic structural view of the locking sleeve of the present invention.

In the figure: 1. a first spring body; 2. a second spring body; 3. a spiral chute; 4. a locking sleeve; 5. a large circular portion; 6. a small circular portion; 7. a locking protrusion; 8. flaring; 9. mounting grooves; 10. a push block; 11. anti-skid convex strips; 12. a fillet; 13. a dome.

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 (b): the utility model provides a novel spring, as shown in attached figure 1 ~ 5, including first spring body 1 and second spring body 2, first spring body 1 and the second play the coaxial setting of spring body 2, first spring body 1 and second play the pitch the same of spring body 2, and the pitch of first spring body 1 is greater than the pitch of second spring body 2, and the spring wire diameter of first spring body 1 is greater than the spring wire diameter of second spring body 2, and the inboard spiral of first spring body 1 is provided with spiral chute 3, spiral chute 3 sets up along the extending direction of first spring body 1, and consequently the pitch of spiral chute 3 equals with the pitch of first spring body 1, second spring body 2 screw in spiral chute 3, second spring body 2 is along the axial displacement of first spring body 1 when rotatory in spiral chute 3. The screw-in degree of depth of the second spring body 2 is adjusted according to actual use needs, when the spring shortens initial length and elasticity weakens because of using for a long time, can suitably revolve the second spring body 2 outward, and then make its whole length increase to can improve its holistic elasticity, thereby guarantee the normal use effect of this spring.

As shown in fig. 1 and 5, the novel spring further comprises a locking sleeve 4 for locking the first spring body 1 and the second spring body 2, the locking sleeve 4 is sleeved on the matching part of the first spring body 1 and the second spring body 2, the locking sleeve 4 comprises a big circular part 5 and a small circular part 6, the inner wall of the big circular part 5 is tightly attached to the outer wall of the first spring body 1, and the inner wall of the small circular part 6 is tightly attached to the outer wall of the second spring body 2. The locking sleeve 4 is sleeved on the matching part of the first spring body 1 and the second spring body 2 and can lock the second spring body 2, so that the second spring body 2 is prevented from displacing when the spring is integrally stretched.

As shown in fig. 4, the inner wall of the small circular part 6 of the locking sleeve 4 is provided with a locking protrusion 7 which forms a press fit with the outer wall of the second spring body 2, the locking protrusion 7 and the locking sleeve 4 are integrated, and the locking effect of the second spring body 2 can be further improved by the design.

As shown in fig. 4, two ends of the inner wall of the locking sleeve 4 are respectively provided with a flared opening 8 with a large outer part and a small inner part, and the design of the flared opening 8 is beneficial to the locking sleeve 4 to be sleeved on the matching part of the first spring body 1 and the second spring body 2, so that the locking sleeve is convenient to install and adjust quickly.

As shown in fig. 4, a mounting groove 9 is formed in the locking sleeve 4, a push block 10 is embedded in the mounting groove 9, the push block 10 is in interference fit with the mounting groove 9, and a plurality of anti-slip convex strips 11 are arranged on the upper surface of the push block 10. This design does benefit to the operating personnel and presses ejector pad 10 and exert the effort to lock sleeve 4 to order to impel lock sleeve 4 to slide along the extending direction of first spring body 1.

As shown in fig. 2, both ends of the spiral chute 3 are respectively provided with an inner fillet 12, and the lower end of the second spring body 2 is provided with a dome 13, which greatly facilitates the insertion of the lower end of the second spring body 2 into the spiral chute 3, and facilitates the installation of the second spring body 2.

As shown in fig. 3, the upper portion of the second spring body 2 is in a horn shape with a large top and a small bottom, and this design can improve the stability of the overall installation of the spring.

In addition, the top layer of first spring body 1 and second spring body 2 all spouts to be covered with the paint layer, and the paint layer can improve the oxidation resistance of first spring body 1 and second spring body 2, avoids producing and rusts to improve the life of the two.

The working principle is as follows: use in the spiral chute 3 with the first spring body 1 of second spring body 2 screw in, the axial displacement of the first spring body 1 can be followed to the second spring body 2 when rotatory in spiral chute 3, establish the fitting part of lock sleeve 4 cover at first spring body 1 and second spring body 2 and can produce the effect of locking to the second spring body 2, consequently, the screw in degree of depth of the second spring body 2 is adjusted according to the in-service use needs, when the spring shortens and elasticity weakens because of having used for a long time and causing initial length, can suitably revolve the second spring body 2 outward, and then make its overall length increase, and can improve its holistic elasticity, thereby guarantee the normal use effect of this spring.

Claims

1. A novel spring is characterized in that: including first spring body (1) and second spring body (2), first spring body (1) and second spring body (2) coaxial setting, the pitch of first spring body (1) and second spring body (2) is the same, and the pitch diameter of first spring body (1) is greater than the pitch diameter of second spring body (2), and the inboard spiral of first spring body (1) is provided with spiral chute (3), spiral chute (3) set up along the extending direction of first spring body (1), second spring body (2) screw in spiral chute (3), second spring body (2) are along the axial displacement of first spring body (1) in spiral chute (3) rotatory.

2. The novel spring as claimed in claim 1, wherein: still including lock sleeve (4) that are used for locking first spring body (1) and second spring body (2), lock sleeve (4) cover is located on the cooperation position of first spring body (1) and second spring body (2), lock sleeve (4) are including big circle portion (5) and little circle portion (6), the inner wall of big circle portion (5) closely laminates with the outer wall of first spring body (1), the inner wall of little circle portion (6) closely laminates with the outer wall of second spring body (2).

3. The novel spring as claimed in claim 2, wherein: the inner wall of the small round part (6) of the locking sleeve (4) is provided with a locking bulge (7) which forms extrusion fit with the outer wall of the second spring body (2).

4. The novel spring as claimed in claim 2, wherein: two ends of the inner wall of the locking sleeve (4) are respectively provided with a flaring (8) with a large outside and a small inside.

5. The novel spring as claimed in claim 2, wherein: the locking sleeve (4) is provided with a mounting groove (9), a push block (10) is embedded in the mounting groove (9), and the upper surface of the push block (10) is provided with a plurality of anti-skidding convex strips (11).

6. The novel spring as claimed in claim 1, wherein: both ends of the spiral chute (3) are respectively provided with an inner fillet (12), and the lower end of the second spring body (2) is provided with a dome (13).

7. The novel spring as claimed in claim 1, wherein: the upper part of the second spring body (2) is in a horn shape with a large upper part and a small lower part.

8. The novel spring as claimed in claim 1, wherein: paint layers are sprayed on the surface layers of the first spring body (1) and the second spring body (2).