CN217682968U - High-bearing piston spring - Google Patents

Abstract

The utility model discloses a high-load piston spring relates to the spring, including the spring body, the spring body adopts the carbon spring steel to make, and spring body outside is provided with folding cover, and folding cover is the organ form, and folding cover both ends opening part all is provided with the flange, and folding cover includes a plurality of end to end connection's folding section, is formed with the trough between the adjacent folding section, and folding cover inside is provided with the flexible cavity that is used for placing the spring body. The utility model has the advantages that: the utility model discloses bearing capacity is strong, and the durability is better, through being provided with folding cover in spring body outside to stopping through the flange to the spring both ends, can prescribing a limit to the tensile length of spring, when applying the tensile force on the spring and will reach the tensile limit of spring, because stopping of flange, the spring can't continue tensile again, thereby can guarantee the normal reset of spring, avoid spring permanent deformation, make the spring have better durability, avoid the loss.

Description

High-bearing piston spring

Technical Field

The utility model relates to a spring technical field specifically is a high bearing piston spring.

Background

A spring is a mechanical part that works by elasticity. The parts made of elastic materials deform under the action of external force, and restore to the original shape after the external force is removed, and are generally made of spring steel. The types of springs are complex and various, and can be divided into compression springs and extension springs according to functions. The compression spring is a spiral spring bearing axial pressure, the cross section of the material used by the compression spring is mostly circular, the compression spring is also coiled by rectangular and stranded steel, the spring is generally equidistant, certain gaps are arranged between the coils of the compression spring, and the compression spring is contracted and deformed when being subjected to external load to store deformation energy.

At present, the existing compression spring can only bear axial pressure and cannot bear axial tension, the spring is easily pulled carelessly in the process of mounting the spring, the spring has certain tensile elasticity and can automatically reset under the condition of smaller tensile force, and once the tensile force exceeds the tensile limit of the spring, the spring cannot reset, and the spring cannot be reused due to permanent deformation, so that loss is brought.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a high load bearing piston spring that can avoid permanent deformation of the spring in order to solve the above-mentioned problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a high bearing piston spring, including the spring body, spring body outside is provided with folding cover, folding cover is the organ form, folding cover both ends opening part all is provided with the flange, folding cover includes a plurality of end to end connection's folding section, and is adjacent be formed with the trough between the folding section, folding cover inside is provided with the flexible cavity that is used for placing the spring body.

Through adopting above-mentioned technical scheme, because be provided with the folding cover that is the organ form in spring body outside, then when the spring daily use, in case receive axial pressure when leading to compression deformation, folding cover also can take place folding thereupon, make folding section laminating together, the normal deformation of cooperation spring, thereby guarantee the normal use of spring, and through the flange to the blockking at spring both ends, can prescribe a limit to the extension length of spring, make the extension range of spring can't exceed the limit extension length of folding cover, then when applying the tensile extreme that the tensile force on the spring will reach the spring, because the stopping of flange, the spring can't continue tensile again, thereby can guarantee the normal reset of spring, avoid the permanent deformation of spring, make the spring have better durability, avoid the loss.

As a further setting of the utility model, the spring body is detachably installed inside the folding cover.

Through adopting above-mentioned technical scheme, because the spring body is installed inside folding cover for detachably, then when folding cover leads to ageing deformation because of long-term the use, can tear the spring body out and change new folding cover from folding cover inside to the life of spring has been prolonged greatly.

As a further setting of the utility model, the baffle all is provided with the elastic sleeve towards folding the inside one side of cover, the both ends of spring body all are provided with and are used for imbedding the inside connection lantern ring of elastic sleeve.

Through adopting above-mentioned technical scheme, because all be provided with the elastic sleeve in the baffle towards folding cover inside one side, and all be provided with the connection lantern ring at the both ends of spring body, then when installing the folding cover inside with the spring body, can embolia the elastic sleeve inside respectively with the connection lantern ring at both ends, realize the spring body at the inside installation of folding cover, the dismouting is comparatively convenient simple.

As a further arrangement of the utility model, the inside of the connecting lantern ring is provided with a cross-shaped handle.

Through adopting above-mentioned technical scheme, owing to all be provided with the cross handle in the connecting sleeve ring inside, then when tearing open the spring body from folding cover, can grip the cross handle and carry out the application of force, then the setting of cross handle can provide the point of application of force for the operation of tearing open the spring body to make the operation more convenient simple.

As a further setting of the utility model, the folding cover, the flanges and the elastic sleeves are all made of rubber materials.

By adopting the technical scheme, as the folding cover, the flanges and the elastic sleeve are made of rubber materials, the elasticity is better, the spring can be more smoothly matched with the deformation of the spring, and the using effect of the spring is ensured.

As a further arrangement of the utility model, the spring body is made of carbon spring steel.

Through adopting above-mentioned technical scheme, because the spring body adopts carbon element spring steel to make, carbon element spring steel intensity is high, and bearing capacity is strong, and tensile strength is good for the spring body has better durability.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses bearing capacity is strong, the durability is better, through being provided with folding cover in spring body outside, can cooperate the normal deformation of spring, thereby guarantee the normal use of spring, and through the flange blockking at spring both ends, can prescribe a limit to the tensile length of spring, when applying the tensile extreme that the tensile force on the spring will reach the spring, because blockking of flange, the spring can't continue tensile again, thereby can guarantee the normal reset of spring, avoid the permanent deformation of spring, make the spring have better durability, avoid the loss.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a half-sectional view of the present invention;

fig. 3 is a schematic view of the connection structure of the middle spring body, the connection sleeve ring and the cross-shaped handle of the present invention.

Reference numerals: 1. a spring body; 2. a folding cover; 3. blocking edges; 4. a folding section; 5. a trough of a wave; 6. a telescopic cavity; 7. an elastic sleeve; 8. a connecting lantern ring; 9. a cross-shaped grip.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a high-load piston spring includes a spring body 1, the spring body 1 is made of carbon spring steel, a folding cover 2 is disposed outside the spring body 1, the folding cover 2 is in an organ shape, flanges 3 are disposed at openings at two ends of the folding cover 2, the folding cover 2 includes a plurality of folding sections 4 connected end to end, a trough 5 is formed between adjacent folding sections 4, and a telescopic cavity 6 for placing the spring body 1 is disposed inside the folding cover 2.

Referring to fig. 2 and 3, the spring body 1 is detachably mounted inside the folding cover 2, the baffle is provided with an elastic sleeve 7 on one side facing the inside of the folding cover 2, the two ends of the spring body 1 are provided with connecting lantern rings 8 for being embedded into the elastic sleeve 7, the connecting lantern rings 8 are provided with cross grips 9, and the folding cover 2, the flanges 3 and the elastic sleeve 7 are made of rubber materials.

Because be provided with the folding cover 2 that is organ form in spring body 1 outside, then when the spring is daily used, in case receive axial pressure and lead to when compression deformation, folding cover 2 also can take place folding thereupon, make folding section 4 laminating together, the normal deformation of cooperation spring, thereby guarantee the normal use of spring, and through the blockking of flange 3 to the spring both ends, can prescribe a limit to the extension length of spring, make the extension range of spring can't exceed the limit extension length of folding cover 2, then when the tensile force of applying on the spring will reach the tensile limit of spring, because the blockking of flange 3, the spring can't continue to stretch again, thereby can guarantee the normal reset of spring, avoid the permanent deformation of spring, make the spring have better durability, avoid the loss.

Because spring body 1 is installed inside folding cover 2 for detachably, then when folding cover 2 leads to ageing deformation because of long-term use, can tear out and change new folding cover 2 from folding cover 2 inside spring body 1, thereby the life of spring has been prolonged greatly, wherein, because all be provided with elastic sleeve 7 on the baffle towards folding cover 2 inside one side, and all be provided with the connection lantern ring 8 at the both ends of spring body 1, then when installing folding cover 2 inside with spring body 1, can embolia elastic sleeve 7 inside respectively with the connection lantern ring 8 at both ends, realize the installation of spring body 1 at folding cover 2 inside, the dismouting is comparatively convenient simple.

Because the cross grips 9 are arranged in the connecting lantern ring 8, when the spring body 1 is detached from the folding cover 2, the cross grips 9 can be held to apply force, and the cross grips 9 can provide force application points for detaching the spring body 1, so that the operation is more convenient and simpler.

Because the folding cover 2, the flange 3 and the elastic sleeve 7 are made of rubber materials, the elasticity is better, the deformation of the spring can be more smoothly matched, and the using effect of the spring is ensured.

Because the spring body 1 is made of carbon spring steel, the carbon spring steel has high strength, strong bearing capacity and good tensile property, so that the spring body 1 has better durability.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A high load piston spring, comprising a spring body (1), characterized in that: the spring body (1) is externally provided with a folding cover (2), the folding cover (2) is in an organ shape, openings at two ends of the folding cover (2) are respectively provided with a flange (3), the folding cover (2) comprises a plurality of folding sections (4) connected end to end, a wave trough (5) is formed between the folding sections (4), and a telescopic cavity (6) for placing the spring body (1) is formed inside the folding cover (2).

2. A high load capacity piston spring as defined in claim 1 wherein: the spring body (1) is detachably arranged in the folding cover (2).

3. A high load piston spring as defined in claim 2, wherein: the baffle is provided with elastic sleeves (7) on the surface facing the interior of the folding cover (2), and connecting lantern rings (8) used for being embedded into the elastic sleeves (7) are arranged at the two ends of the spring body (1).

4. A high load capacity piston spring as defined in claim 3 wherein: the inside of the connecting lantern ring (8) is provided with a cross-shaped grip (9).

5. A high load piston spring as defined in claim 3, wherein: the folding cover (2), the flanges (3) and the elastic sleeve (7) are all made of rubber materials.

6. A high load piston spring as defined in claim 1, wherein: the spring body (1) is made of carbon spring steel.

Images