CN215487363U - Anti-corrosion spring - Google Patents

Abstract

The utility model discloses an anti-corrosion spring which comprises a spring body, wherein the spring body comprises a plurality of spiral elastic pieces, the elastic pieces are all made of high-carbon steel materials and are detachably connected together, one end of each elastic piece is fixedly connected with a threaded head, the other end of each elastic piece is rotatably connected with a threaded sleeve matched with the threaded head, the peripheral wall of the threaded head is provided with an external thread structure, and the inner peripheral wall of each threaded sleeve is provided with an internal thread structure matched with the external thread structure. The utility model has the beneficial effects that: the spring body has high strength and good durability, can select different numbers of elastic pieces to connect according to different use conditions, can adjust the length of the spring body, and is convenient to use and good in applicability.

Description

Anti-corrosion spring

Technical Field

The utility model relates to the technical field of springs, in particular to an anti-corrosion 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 mainly include spiral springs, volute springs, plate springs, special springs and the like according to the shapes.

In many large-scale mechanical equipment, can use the spring when connecting between each spare part, because the length of current single spring is fixed, then need use different specification springs when connecting different spare parts, it is comparatively inconvenient to use, and the suitability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides an anti-corrosion spring which can adjust the length, is convenient to use and has better applicability.

The anti-corrosion spring comprises a spring body, wherein the spring body comprises a plurality of spiral elastic pieces, the elastic pieces are detachably connected together, one end of each elastic piece is fixedly connected with a threaded head, the other end of each elastic piece is rotatably connected with a threaded sleeve matched with the threaded head, the peripheral wall of the threaded head is provided with an external thread structure, and the inner peripheral wall of the threaded sleeve is provided with an internal thread structure matched with the external thread structure.

By adopting the technical proposal, as the spring body comprises a plurality of spiral elastic pieces which are detachably connected, any one elastic piece can be independently used as the spring, when different parts are connected, different numbers of elastic pieces can be selected and connected together end to end, and during specific operation, the screw thread head on any elastic piece can be aligned with the screw thread sleeve on the other elastic piece, and then the screw thread sleeve is screwed to realize the screw thread connection of the screw thread head and the screw thread sleeve, can realize firm connection between the elastic parts, and when the adjacent elastic parts need to be disassembled, only the thread head needs to be separated from the thread sleeve, the operation is convenient, then through this setting, can select the elastic component of different quantity and connect according to the in service behavior of difference to can adjust the length of spring body, convenient to use, the suitability is better.

As a further arrangement of the utility model, a limiting ring is arranged at the opening of the threaded sleeve, and a connecting sheet which is clamped into the threaded sleeve and mutually abutted against the limiting ring is arranged at one end of the elastic piece, which is far away from the threaded head.

Through adopting above-mentioned technical scheme, because be provided with the spacing ring at the opening part of thread bush, and the one end of keeping away from the thread head at the elastic component is provided with the connection piece, connection piece and spacing ring conflict each other to can play limiting displacement, realize the firm connection of thread bush and elastic component, and guaranteed the smooth and easy rotation of thread bush in elastic component one end.

As a further arrangement of the utility model, the connecting piece is rotatably connected with a positioning pin, and one end of the screw head, which is far away from the elastic piece, is provided with a positioning hole for inserting the positioning pin.

Through adopting above-mentioned technical scheme, owing to rotate on the connecting piece and be connected with the locating pin, and the locating hole has been seted up to the one end of keeping away from the elastic component at the thread head, then when connecting together thread head and thread bush, the locating pin can insert inside the locating hole along with it, then through being connected of locating pin and locating hole for the connection between the adjacent elastic component is more firm, thereby has effectively promoted the structure steadiness of spring.

As a further arrangement of the utility model, two sides of the positioning pin are both provided with locking clamping blocks, and two sides of the positioning hole are both provided with locking clamping grooves for clamping the locking clamping blocks.

Through adopting above-mentioned technical scheme, owing to all be provided with the locking fixture block in the both sides of locating pin, and all seted up the locking draw-in groove in the both sides of locating hole, then insert the inside back of locating hole at the locating pin, inside the locking fixture block can block into the locking draw-in groove thereupon, spacing through the locking draw-in groove to the locking fixture block for the locating pin is more firm with being connected of locating hole, thereby has further promoted the firm in connection between the elastic component.

As a further arrangement of the utility model, the surface of the elastic piece is coated with a corrosion-resistant coating, and the corrosion-resistant coating is a polytetrafluoroethylene layer.

Through adopting above-mentioned technical scheme, because the surface coating has corrosion-resistant coating at the elastic component, and corrosion-resistant coating is the polytetrafluoroethylene layer, it is effectual to anticorrosive to can avoid the elastic component surface to be corroded, make the elastic component can be applicable to the use under the adverse circumstances, the durability is better.

As a further arrangement of the utility model, the elastic parts are all made of high-carbon steel materials.

Through adopting above-mentioned technical scheme, because the elastic component all adopts high carbon steel material to make, high carbon steel material intensity and toughness are high, and the wearability is good to make the elastic component have better durability, life is longer.

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

the spring body comprises a plurality of spiral elastic pieces, the elastic pieces are detachably connected together, any one elastic piece can be independently used as the spring, when different parts are connected, different numbers of elastic pieces can be selected and connected together end to end, and through the arrangement, different numbers of elastic pieces can be selected and connected according to different use conditions, so that the length of the spring body can be adjusted, the use is convenient, and the applicability is good.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic view of the structure of the elastic member of the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 5.

Reference numerals: 1. an elastic member; 2. a screw head; 3. a threaded sleeve; 4. a limiting ring; 5. connecting sheets; 6. positioning pins; 7. positioning holes; 8. locking the fixture block; 9. and locking the clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an anti-corrosion spring comprises a spring body, the spring body comprises a plurality of spiral elastic members 1, the elastic members 1 are made of high carbon steel material, the surface of the elastic members 1 is coated with an anti-corrosion coating, the anti-corrosion coating is a polytetrafluoroethylene layer, the elastic members 1 are detachably connected together, one end of each elastic member 1 is fixedly connected with a threaded head 2, the other end of each elastic member is rotatably connected with a threaded sleeve 3 matched with the threaded head 2, a positioning pin 6 is rotatably connected to a connecting sheet 5, one end of each threaded head 2 far away from the elastic member 1 is provided with a positioning hole 7 for inserting the positioning pin 6, two sides of each positioning pin 6 are provided with locking clamping blocks 8, two sides of each positioning hole 7 are provided with locking clamping grooves 9 for clamping the locking clamping blocks 8, wherein a limiting ring 4 is arranged at an opening of the threaded sleeve 3, and keep away from the one end of screw thread head 2 at elastic component 1 and be provided with the connection piece 5 that the card goes into 3 insides of thread bush and contradicts each other with spacing ring 4, seted up the external screw thread structure on the perisporium of screw thread head 2, and seted up the internal thread structure who matches with the external screw thread structure on the internal perisporium of screw thread bush 3.

Because the spring body comprises a plurality of spiral elastic pieces 1, and the elastic pieces 1 are detachably connected together, any one elastic piece 1 can be independently used as a spring, when different parts are connected, different numbers of elastic pieces 1 can be selected and connected together end to end, when in specific operation, the thread head 2 on any one elastic piece 1 can be aligned to the thread sleeve 3 on the other elastic piece 1, and then the thread sleeve 3 is screwed to realize the threaded connection of the thread head 2 and the thread sleeve 3, so that the firm connection between the elastic pieces 1 can be realized, when the adjacent elastic pieces 1 need to be disassembled, only the thread head 2 and the thread sleeve 3 need to be separated, the operation is convenient, through the arrangement, different numbers of elastic pieces 1 can be selected and connected according to different use conditions, so that the length of the spring body can be adjusted, and the use is convenient, the applicability is better.

Because the opening part at the thread bush 3 is provided with the spacing ring 4, and the one end of keeping away from the thread head 2 at the elastic component 1 is provided with the connection piece 5, and the connection piece 5 is contradicted with the spacing ring 4 each other to can play limiting displacement, realize the firm connection of thread bush 3 and elastic component 1, and guaranteed that the smooth and easy rotation of thread bush 3 in elastic component 1 one end.

Because the connecting sheet 5 is rotatably connected with the positioning pin 6 and the end of the screw head 2 far away from the elastic piece 1 is provided with the positioning hole 7, when the screw head 2 and the screw sleeve 3 are connected together, the positioning pin 6 is inserted into the positioning hole 7 along with the screw head, the connection between the adjacent elastic members 1 is made more firm by the connection of the positioning pins 6 and the positioning holes 7, thereby effectively improving the structural stability of the spring, and because the two sides of the positioning pin 6 are both provided with the locking fixture blocks 8 and the two sides of the positioning hole 7 are both provided with the locking clamping grooves 9, after the positioning pin 6 is inserted into the positioning hole 7, the locking fixture block 8 is clamped into the locking fixture groove 9, through the spacing of locking draw-in groove 9 to locking fixture block 8 for locating pin 6 is more firm with being connected of locating hole 7, thereby has further promoted the fastness of connection between elastic component 1.

Because the surface of the elastic part 1 is coated with the corrosion-resistant coating which is a polytetrafluoroethylene layer, the corrosion-resistant effect is good, so that the surface of the elastic part 1 can be prevented from being corroded, the elastic part 1 can be suitable for use in severe environments, and the durability is better.

Because the elastic part 1 is made of high-carbon steel material, the high-carbon steel material has high strength and toughness and good wear resistance, thereby ensuring that the elastic part 1 has better durability and longer service life.

It will be evident to those skilled in the art that the utility model 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 utility model 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. An anticorrosion spring, includes the spring body, its characterized in that: the spring body comprises a plurality of spiral elastic pieces (1), the elastic pieces (1) are detachably connected together, one end of each elastic piece (1) is fixedly connected with a threaded head (2), the other end of each elastic piece is rotatably connected with a threaded sleeve (3) matched with the threaded head (2), an external thread structure is arranged on the peripheral wall of each threaded head (2), and an internal thread structure matched with the external thread structure is arranged on the internal peripheral wall of each threaded sleeve (3).

2. An anti-corrosion spring according to claim 1, wherein: the opening part of thread bush (3) is provided with spacing ring (4), the one end that screw thread head (2) were kept away from in elastic component (1) is provided with card and goes into thread bush (3) inside and connection piece (5) of contradicting each other with spacing ring (4).

3. An anti-corrosion spring according to claim 2, wherein: the connecting piece (5) is rotatably connected with a positioning pin (6), and one end, far away from the elastic piece (1), of the thread head (2) is provided with a positioning hole (7) for inserting the positioning pin (6).

4. A corrosion protection spring according to claim 3, wherein: the locking device is characterized in that locking clamping blocks (8) are arranged on two sides of the positioning pin (6), and locking clamping grooves (9) used for clamping the locking clamping blocks (8) are formed in two sides of the positioning hole (7).

5. An anti-corrosion spring according to claim 1, wherein: the surface of the elastic piece (1) is coated with a corrosion-resistant coating, and the corrosion-resistant coating is a polytetrafluoroethylene layer.

6. An anti-corrosion spring according to claim 1, wherein: the elastic pieces (1) are all made of high-carbon steel materials.

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