CN214499858U - Plastic spring with double-spiral structure - Google Patents

Abstract

A plastic spring with a double-spiral structure comprises a spring body formed by a double-spiral structure which can be compressed, one end of the double-spiral structure is connected to a positioning ring, and the other end of the double-spiral structure is connected to a base ring; the double-spiral structure, the positioning ring and the base ring are all plastic structures. The plastic spring with the novel structure is designed in the application, the double-spiral structure is adopted, the production is convenient, the plastic spring is stacked, stored and taken, and the product assembly efficiency is improved. The utility model provides a plastic spring, holding ring and base ring can draw close mutually among the extrusion process, and double helix structure is extruded simultaneously, stores elasticity, unloads the power back, and double helix structure can reply under the elastic force effect of plastic materials itself, plays the function of elastic force output.

Description

Plastic spring with double-spiral structure

Technical Field

The utility model belongs to the elastic component field, concretely relates to plastic spring with double helix structure.

Background

The elastic element is widely applied in daily life and industrial fields, such as springs and the like. The spring, which is the most commonly used elastic member, is generally a helical structure made of metal, and the spring is compressed to store elastic force and released to provide elastic force when being relaxed.

At present, along with the increase of the price of metal raw materials, the cost of a metal spring is higher and higher, and meanwhile, the metal spring is easy to rust when used in a certain humid environment, so that the use is influenced. In addition, traditional heliciform spring is stacked and is accomodate when together, if the interval is little between the spiral steel wire, entangles easily together, leads to the product assembly to get and takes out the condition of two when taking the spring once, has reduced assembly efficiency.

In addition, when the plastic part provided with the metal spring is scrapped, the metal part in the plastic part needs to be taken out firstly, so that the labor cost is high, and time and labor are wasted; if the metal spring is not detached and discarded directly, the metal spring cannot be recycled, and the environmental protection pressure is increased. If the plastic spring is used for manufacturing an all-plastic product, the plastic spring does not need to be disassembled when being scrapped and recycled, can be scrapped integrally, also meets the plastic limit standard of European Union, America and other areas, and is more environment-friendly.

Therefore, based on the defects of the metal springs, the plastic springs in the prior art are more and more available, and the structures and the forms of the plastic springs are various, and the application carries out further research and design in the direction.

SUMMERY OF THE UTILITY MODEL

Not enough to above prior art, the utility model provides a plastic spring with double helix structure, simple structure, processing is convenient, and is with low costs, the elastic component function that provides that can be fine.

In order to solve the above technical problem, the present invention solves the above technical problems.

A plastic spring with a double-spiral structure comprises a spring body formed by a double-spiral structure which can be compressed, one end of the double-spiral structure is connected to a positioning ring, and the other end of the double-spiral structure is connected to a base ring; the double-spiral structure, the positioning ring and the base ring are all plastic structures.

The plastic spring with the novel structure is designed in the application, the double-spiral structure is adopted, the production is convenient, the plastic spring is stacked, stored and taken, and the product assembly efficiency is improved. The utility model provides a plastic spring, holding ring and base ring can draw close mutually among the extrusion process, and double helix structure is extruded simultaneously, stores elasticity, unloads the power back, and double helix structure can reply under the elastic force effect of plastic materials itself, plays the function of elastic force output.

In a preferred embodiment, the diameter of the base ring is greater than the diameter of the positioning ring, the base ring being intended to be mounted in the mounting position, the construction ensuring a stable construction after mounting.

In a preferred embodiment, the diameter of the spring main body formed by the double-spiral structure is the same as that of the positioning ring, so that the double-spiral structure is not interfered by surrounding structures in the processes of extrusion, contraction and relaxation, the ratio of the diameter of the base ring to that of the positioning ring is 1.2-1.3, and the structure of the plastic spring is more stable under the structure.

In a preferred embodiment, a plurality of positioning notches are arranged on the end surface of the base ring. Because the double helix structure can produce rotatoryly in extrusion contraction and relaxation process, consequently in order to make the base ring irrotational, the base ring passes through the location breach card on it on the protruding portion of assembly structure, realizes the location.

In a preferred embodiment, the inner side of the positioning ring has a cambered or inclined structure, and since the double-helix structure rotates during the compression contraction and relaxation processes, and the base ring is fixed against rotation, the positioning ring rotates by a certain angle, and the cambered or inclined structure can make the rotation resistance between the positioning ring and the positioning structure small.

In a preferred embodiment, the plastic spring is an integrally formed part, so that the plastic spring is convenient to process and low in cost.

In a preferred embodiment, the diameters of the base ring and the positioning ring are both larger than the diameter of the spring body formed by the double-spiral structure, and the base ring and the positioning ring are symmetrically arranged in the same structure, which can be used in the pressing type liquid outlet assembly.

In a preferred embodiment, the plastic spring is an elastic member made of POM plastic, and has the advantages of low cost, good elasticity and easiness in processing.

Compared with the prior art, the utility model discloses following beneficial effect has: the plastic spring with the double-spiral structure is simple in structure, convenient to machine, low in cost, capable of providing the function of the elastic part well and long in service life.

Drawings

Fig. 1 is a front view of the double spiral structure plastic spring of the present invention.

Fig. 2 is a first perspective view of the plastic spring with double-spiral structure according to the present invention.

Fig. 3 is a second perspective view of the plastic spring with double spiral structure of the present invention.

Fig. 4 is a front view of the double spiral structure plastic spring of the present invention assembled in the piston member.

Fig. 5 is a sectional view of the double spiral structure plastic spring of the present invention assembled in the piston member.

Fig. 6 is a schematic view of the piston member assembled with the hand grip member.

Fig. 7 is a perspective view of the piston member assembled with the hand grip.

Fig. 8 is a schematic view of a plastic spring having a double spiral structure according to another embodiment of the present invention.

Fig. 9 is a schematic view showing the compression of the plastic spring of fig. 8 having a double spiral structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 and 3, a plastic spring having a double spiral structure in the present application includes a spring body formed of a double spiral structure 714 that can be compressed, the double spiral structure 714 having one end attached to a positioning ring 713, the double spiral structure 714 having the other end attached to a base ring 711; the double helix structure 714, the positioning ring 713 and the base ring 711 are all plastic structures. The plastic spring is preferably an integrally formed part, and is convenient to process and low in cost.

Specifically, in the double-spiral plastic spring of the present application, the diameter of the base ring 711 is larger than that of the positioning ring 713, and the base ring 711 is used for being assembled at the installation position, so that the structure can ensure stable structure after being assembled. In a preferred structure, the diameter of the spring body formed by the double-spiral structure 714 is the same as that of the positioning ring 713, so that the double-spiral structure 714 is not interfered by surrounding structures in the processes of extrusion, contraction and relaxation, the ratio of the diameter of the base ring 711 to that of the positioning ring 713 is 1.2-1.3, and the structure of the plastic spring is more stable.

In addition, in the present application, a plurality of positioning notches 712 are provided on the end surface of the base ring 711. Since the double spiral structure 714 rotates during the compression contraction and relaxation, in order to make the base ring 711 not rotate, the base ring 711 is locked on the projection of the fitting structure through the positioning notch 712 thereon, so as to achieve positioning. Further, in the present application, the inner side of the positioning ring 713 has an arc or slope structure 717, since the double spiral structure 714 rotates during the compression contraction and relaxation process, and the base ring 711 is fixed against rotation, the positioning ring 713 rotates a certain angle, and the arc or slope structure 717 can reduce the rotation resistance between the positioning ring and the positioning structure.

The plastic spring with the novel structure is designed in the application, the double-spiral structure is adopted, the production is convenient, the plastic spring is stacked, stored and taken, and the product assembly efficiency is improved. Plastic spring in this application, holding ring 713 and base ring 711 can draw close each other in the extrusion process, and double helix structure 714 is extruded simultaneously, stores elasticity, and after unloading power, double helix structure 714 can reply under the elastic force effect of plastic materials itself, plays the function of elastic force output.

Referring to fig. 4 to 5, the double spiral plastic spring of the present invention is schematically assembled in the piston member, and as can be seen from the drawings, the piston member includes a first housing 61 and a second housing 62 connected together, the connecting position of the first housing 61 and the second housing 62 is divided into two cavities by an interlayer 621, and the double spiral plastic spring 71 is assembled in one of the cavities, specifically: the base ring 711 fits inside and is captured in place with the retaining ring 713 extending outwardly from the cavity. A ball axle seat 611 is arranged in the other cavity, one end of the ball axle rod 31 is rotatably arranged in the ball axle seat 611, and both ends of the ball axle rod 31 are of a sphere structure 32.

Referring to fig. 6 and 7, the piston member is schematically assembled with the hand-held member 3, and as can be seen from the figure, the hand-held member 3 is provided with a mounting plate 381, and the mounting plate 381 is provided with a rotating shaft hole 38 for rotatably mounting the hand-held member 3. The hand-held part 3 is provided with a hand-held part ball shaft seat, and a ball body structure 32 at the outer end of the ball shaft rod 31 is rotatably arranged in the hand-held part ball shaft seat. The piston piece and the hand-held piece 3 are assembled in the spray bottle together, after the assembly is finished, the hand-held piece 3 on the piston piece is held by hands, the piston piece can be pushed to move through the extrusion of the ball shaft rod 31, corresponding operation is carried out, and the double-spiral plastic spring 71 is extruded and compressed in the extrusion process. After the hand is loosened, the double-spiral structure 712 is unfolded under the restoring force of the plastic material, so as to push the piston member and the hand-held member 3 to return.

Referring to fig. 8 and 9, in another embodiment of the present invention, the plastic spring with double spiral structure and the compressed state are schematically illustrated, wherein the diameters of the base ring 711 and the positioning ring 713 are both larger than the diameter of the spring body formed by the double spiral structure 714, and the base ring 711 and the positioning ring 713 are symmetrically arranged in the same structure, which can be used in a press type liquid outlet assembly.

In addition, in this application, the plastic spring is the elastic component that POM plastics were made, and is with low costs, and elasticity is good, easily processing.

Above description can see, the utility model provides a plastic spring with double helix structure, simple structure, processing is convenient, and is with low costs, can be fine provide the elastic component function, long service life.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims (8)

1. A plastic spring having a double helix structure, comprising a spring body formed by a compressible double helix structure (714), one end of the double helix structure (714) being attached to a positioning ring (713), the other end of the double helix structure (714) being attached to a base ring (711); the double-spiral structure (714), the positioning ring (713) and the base ring (711) are all plastic structures.

2. A plastic spring with a double spiral structure according to claim 1, characterized in that the diameter of the base ring (711) is larger than the diameter of the positioning ring (713).

3. A plastic spring with a double spiral structure according to claim 1, wherein the double spiral structure (714) forms a spring body with a diameter identical to the diameter of the positioning ring (713), and the ratio of the diameter of the base ring (711) to the diameter of the positioning ring (713) is 1.2-1.3.

4. A plastic spring with a double spiral structure according to claim 1, wherein the end face of the base ring (711) is provided with a plurality of positioning notches (712).

5. A plastic spring with a double spiral structure as claimed in claim 1, wherein the inner side of the holding ring (713) has an arc or slope structure (717).

6. The plastic spring with a double spiral structure as claimed in claim 1, wherein the plastic spring is an integrally formed member.

7. A plastic spring with a double spiral structure according to claim 1, characterized in that the diameter of the base ring (711) and the holding ring (713) are each larger than the diameter of the spring body formed by the double spiral structure (714), and the base ring (711) and the holding ring (713) are symmetrically arranged in the same structure.

8. The plastic spring with a double spiral structure as claimed in any one of claims 1 to 7, wherein the plastic spring is an elastic member made of POM plastic.

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