CN114992263A

CN114992263A - Special-shaped spring with auxiliary spring layer

Info

Publication number: CN114992263A
Application number: CN202210719998.5A
Authority: CN
Inventors: 周泽敏; 王远浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-09-02

Abstract

The invention relates to the technical field of special-shaped springs, in particular to a special-shaped spring with an auxiliary spring layer, which comprises an upper portion and a lower portion, wherein a rectangular spring is fixedly connected with a shell through four steel wires, round grooves are formed in the joints of the four steel wires and the shell, buckles are fixedly mounted on the four steel wires, a driving assembly used for compressing the rectangular spring is arranged in the shell, a connecting pipe convenient for operating the driving assembly and fixedly connected in the through grooves is arranged on the outer side wall of the shell, a worm is rotatably mounted at one end of the connecting pipe, and a cross groove is formed in the top of the worm. According to the invention, the worm gear and the worm are matched with the steel wires, so that the rectangular spring can be stably contracted and compressed through manual operation before placement, subsequent placement can be smoothly carried out, and then the rectangular spring is firmly fixed by the four steel wires through the matching of the buckle and the steel wires, so that the rectangular spring can be stably contracted and compressed through manual operation, and the stability is further improved.

Description

Special-shaped spring with auxiliary spring layer

Technical Field

The invention relates to the technical field of special-shaped springs, in particular to a special-shaped spring with an auxiliary spring layer.

Background

The special-shaped spring is different from the conventional spring in that the spring is irregular, has bending and a large number of complicated angle designs, and has the following types: reducing coil springs, leaf springs, rectangular springs, belleville springs, unequal pitch coil springs, and the like.

Among them, when the installation space is limited, a spring of a rectangular cross-sectional material, that is, a rectangular spring is generally used, and since a spring made of a rectangular cross-sectional material can obtain a larger load in the same space and the same deformation amount, such a spring has a larger cross-sectional area in the same space as compared with a spring of a circular cross-sectional material, and thus absorbs a larger amount of energy.

However, when needing to add the rectangle spring between two fixed knot construct, and these two fixed knot construct and be difficult to remove and when dismantling, artifical manual going to compress the rectangle spring is harder, is limited to the artifical bad operation extrusion rectangle spring in space moreover, and places the rectangle spring simultaneously, and then appears the rectangle spring easily and take off the hand, can cause the personal danger.

For this purpose, a profiled spring with an auxiliary spring layer is proposed.

Disclosure of Invention

The invention aims to provide a special-shaped spring with an auxiliary spring layer, which can be manually operated to stably contract and compress a rectangular spring before placement by arranging a worm gear and a worm to be matched with a steel wire, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a profile spring with an auxiliary spring layer, comprising:

a rectangular spring divided into an upper portion and a lower portion;

further comprising:

and the auxiliary spring layer is fixedly connected between the upper part and the lower part of the rectangular spring and used for compressing the rectangular spring.

Preferably, the auxiliary spring layer includes through four steel wire fixed connection shells in the rectangular spring, four the steel wire all has seted up the circular slot with the shell junction, four equal fixed mounting has the buckle on the steel wire, the inside drive assembly who is used for compressing the rectangular spring that is equipped with of shell, the logical groove of being convenient for operate drive assembly is seted up to the shell lateral wall.

Preferably, drive assembly includes the connecting pipe of fixed connection in leading to the inslot, connecting pipe one end is rotated and is installed the worm, the cross recess has been seted up at the worm top, fixed mounting has connecting rod one on the inside diapire of shell, the one end of connecting rod one is rotated and is installed the worm wheel, worm and worm wheel mutually support, the inside rolling subassembly that is used for the rolling steel wire that is equipped with of shell.

Preferably, the rolling subassembly includes connecting rod two of fixed mounting on the inside lateral wall of shell, two one end fixed mounting of connecting rod have the rolling case, the one end that the rolling case is close to the worm wheel is rotated and is installed the actuating lever, the actuating lever is close to worm wheel one end fixed mounting has the straight-teeth gear, and straight-teeth gear and worm wheel meshing, a plurality of apertures have been seted up on the rolling case, and four steel wires pass the one end fixed connection of circular slot and aperture and actuating lever.

Preferably, a ratchet wheel is fixedly mounted on the worm wheel, a pull rod is movably mounted on the outer side wall of the shell through a convenient fixing device, and a pawl matched with the ratchet wheel is movably mounted at one end of the pull rod through a spring hinge.

Preferably, convenient fixing device is including seting up the square hole on the shell, circumference symmetry elastic mounting has two extrusion heads on the square hole edge, set up four bayonets of mutually supporting with the extrusion head on the pull rod, four the bayonet socket divide into two sets ofly.

Preferably, the contact surfaces of the four circular grooves and the steel wire are in an arc shape.

Preferably, arc grooves are formed in the joints of the four steel wires and the rectangular spring.

Preferably, a coil spring box is fixedly installed inside the winding box, and the four steel wires penetrate through the winding box and the coil spring box to be fixedly connected with one end of the driving rod.

Preferably, four steel wires are made of high-wear-resistance metal.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the special-shaped spring with the auxiliary spring layer, the worm gear and the steel wire are matched, the rectangular spring can be stably contracted and compressed through manual operation before placement, subsequent placement can be smoothly performed, the rectangular spring is firmly fixed through the four steel wires through the matching of the buckle and the steel wire, the rectangular spring can be stably contracted and compressed through manual operation, and the stability is further improved.

2. According to the special-shaped spring with the auxiliary spring layer, the pawl and the ratchet wheel are matched, although the worm gear has self-locking performance, the elastic force of the rectangular spring is large after the rectangular spring is compressed, the elastic force of the rectangular spring acts on the worm gear through the four steel wires, the worm gear is prone to being broken, the pawl and the ratchet wheel can share the elastic force of a part of the rectangular spring, and the situation that the worm gear is broken is avoided.

3. According to the special-shaped spring with the auxiliary spring layer, the pawl is matched with the pull rod, after the rectangular spring is placed, the pull rod is pulled outwards manually, so that the pawl is far away from the ratchet wheel, the phenomenon that the pawl abuts against the ratchet wheel to prevent the ratchet wheel from rotating reversely when the worm rotates reversely is avoided, and the stability of the rectangular spring in the recovery process is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

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

FIG. 3 is a top cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view taken at B in FIG. 2 according to the present invention;

fig. 6 is a partial structural view of the present invention.

In the figure: 1. a rectangular spring; 2. a housing; 3. a steel wire; 4. a circular groove; 5. buckling; 6. a through groove; 7. a connecting pipe; 8. a worm; 9. a first connecting rod; 10. a worm gear; 11. a second connecting rod; 12. a rolling box; 13. a drive rod; 14. a spur gear; 15. a spring coiling box; 16. a small hole; 17. a ratchet wheel; 18. a pull rod; 19. a pawl; 20. a square hole; 21. an extrusion head; 22. and (4) a bayonet.

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 to 6, the present invention provides a special-shaped spring with an auxiliary spring layer, which has the following technical scheme:

a profile spring with an auxiliary spring layer comprising:

the spring comprises a rectangular spring 1, wherein the rectangular spring 1 is divided into an upper part and a lower part;

further comprising:

and an auxiliary spring layer for compressing the rectangular spring 1 is fixedly connected between the upper part and the lower part of the rectangular spring 1.

When rectangular spring 1 need be added between two fixed knot construct, the spring of making because of rectangular spring 1 rectangular cross section material can obtain great load under the same space and the same deflection, the manual compression rectangular spring 1 of manual removal, it is harder, and place rectangular spring 1 when being subject to the artifical good operation extrusion rectangular spring 1 in space, and then rectangular spring 1 takes off the hand still can appear, can cause the personal danger, through setting up the auxiliary spring layer, can let rectangular spring 1 contract the height that needs before placing, after placing, rectangular spring 1 is resumeed on the auxiliary spring layer, avoid appearing the condition that causes the personal danger, stability and security have been promoted.

As an implementation mode of the invention, the auxiliary spring layer comprises a shell 2 fixedly connected in a rectangular spring 1 through four steel wires 3, round grooves 4 are formed at the joints of the four steel wires 3 and the shell 2, buckles 5 are fixedly mounted on the four steel wires 3, a driving assembly for compressing the rectangular spring 1 is arranged in the shell 2, and a through groove 6 convenient for operating the driving assembly is formed in the outer side wall of the shell 2.

Before using, the manual work twines four steel wire 3 at rectangular spring 1's both ends, detain corresponding steel wire 3 to four buckle 5, the instrument of rethread screwdriver class, put into logical inslot 6 operation drive assembly, make four steel wire 3 shrink gradually, and then drive rectangular spring 1 shrink and compress tightly, through setting up drive assembly and the cooperation of steel wire 3, can make the stable shrink of rectangular spring 1 compress tightly before placing manual operation, make subsequent going on that can be smooth of placing, again and buckle 5 and steel wire 3's cooperation, let four steel wire 3 firm rectangular spring 1 fix, and then can let the artifical stable shrink rectangular spring 1 and compress tightly, further improved stability.

As an implementation mode of the invention, the driving assembly comprises a connecting pipe 7 fixedly connected in the through groove 6, one end of the connecting pipe 7 is rotatably provided with a worm 8, the top of the worm 8 is provided with a cross groove, the bottom wall of the inner part of the shell 2 is fixedly provided with a connecting rod I9, one end of the connecting rod I9 is rotatably provided with a worm wheel 10, the worm 8 and the worm wheel 10 are mutually matched, and the inner part of the shell 2 is provided with a winding assembly for winding the steel wire 3.

Manually putting the steel wire into the through groove 6 through a tool such as a screwdriver, clamping the steel wire into the connecting pipe 7 and the cross groove, rotating the worm 8 to drive the worm wheel 10 to rotate, further driving the winding assembly to start winding the steel wire 3, gradually winding the four steel wires 3, and driving the rectangular spring 1 to contract and compress;

artifical in rotatory worm 8, need the intermittent type rotation, because of worm wheel 10 worm 8's auto-lock nature, avoided having avoided exerting powerlessly when the intermittent type rest and can reverse for worm 8 is rotatory, let artifical can stable rotatory worm 8, drive four steel wires 3 and contract gradually, and then drive rectangle spring 1 and progressively contract and compress tightly, further improved stability.

As an implementation mode of the invention, the winding assembly comprises a second connecting rod 11 fixedly installed on the inner side wall of the shell 2, one end of the second connecting rod 11 is fixedly provided with a winding box 12, one end of the winding box 12 close to the worm gear 10 is rotatably provided with a driving rod 13, one end of the driving rod 13 close to the worm gear 10 is fixedly provided with a spur gear 14, the spur gear 14 is meshed with the worm gear 10, the winding box 12 is provided with a plurality of small holes 16, and four steel wires 3 penetrate through the circular grooves 4 and the small holes 16 and are fixedly connected with one end of the driving rod 13.

When the worm 8 is rotated manually, the worm 8 drives the worm wheel 10 to rotate, the worm wheel 10 drives the spur gear 14 to rotate again, the spur gear 14 is fixedly connected with the driving rod 13 to further drive the driving rod 13 to rotate, the four steel wires 3 are fixedly connected with one end of the driving rod 13, the four steel wires 3 are wound on the driving rod 13 along with the rotation of the driving rod 13 to gradually contract and compress the rectangular spring 1, the spur gear 14 and the worm wheel 10 are matched, the rectangular spring 1 can be stably contracted and compressed to a required height manually before the rectangular spring 1 is placed, the rectangular spring 1 can be stably placed, after the rectangular spring 1 is placed, the worm wheel 10 is driven by the reversing worm 8, the spur gear 14 and the driving rod 13 are reversed, the self elasticity of the rectangular spring 1 is matched, the rectangular spring 1 is further gradually extended until the rectangular spring 1 is propped against fixing surfaces on two required sides, after the rectangular spring 1 is propped against the fixing surfaces on the two sides, the four steel wires 3 are cut off by manual operation, the influence on the use of the subsequent rectangular spring 1 due to the constraint of the steel wires 3 is avoided, and the stability is further improved.

As an embodiment of the invention, a ratchet wheel 17 is fixedly arranged on the worm wheel 10, a pull rod 18 is movably arranged on the outer side wall of the shell 2 through a convenient fixing device, and a pawl 19 matched with the ratchet wheel 17 is movably arranged at one end of the pull rod 18 through a spring hinge.

Although the worm wheel 10 and the worm 8 have self-locking performance, the elastic force of the rectangular spring 1 is large after being compressed, the elastic force of the rectangular spring 1 acts on the worm wheel 10 and the worm 8 through the four steel wires 3, the worm wheel 10 and the worm 8 are easy to break, the elastic force of a part of the rectangular spring 1 can be shared through the ratchet wheel 17 and the pawl 19, the situation that the worm wheel 10 and the worm 8 break is avoided, the rectangular spring 1 can be stably and gradually contracted and compressed manually, and the stability is further improved;

set up pull rod 18 and pawl 19 cooperation again, after placing rectangular spring 1, the manual work is toward drawing pull rod 18 outward for pawl 19 is kept away from ratchet 17, avoids when reverse rotation worm 8, and pawl 19 supports ratchet 17 and leads to unable reverse rotation, has promoted the stability of rectangular spring 1 recovery process.

As an implementation mode of the invention, the convenient fixing device comprises a square hole 20 arranged on the shell 2, two extrusion heads 21 are symmetrically and elastically arranged on the periphery of the square hole 20, four bayonets 22 matched with the extrusion heads 21 are arranged on the pull rod 18, and the four bayonets 22 are divided into two groups.

Rectangular spring 1 contracts and compresses tightly the completion back, manual outside pulling pull rod 18, and two extrusion heads 21 receive the extrusion force shrink at square hole 20 edge, and until next a set of bayonet socket 22 department extension, with bayonet socket 22 block, through setting up extrusion head 21 and bayonet socket 22 cooperation, after placing rectangular spring 1, the manual work is pull rod 18 outward for ratchet 17 is kept away from to pawl 19, and then the counter-rotation that can be smooth extends rectangular spring 1, has further promoted stability.

In one embodiment of the present invention, the contact surfaces of the four circular grooves 4 and the steel wire 3 are arc-shaped.

If the contact surface of four circular slots 4 and steel wire 3 is the edge, when the shrink compresses tightly rectangular spring 1 or extension rectangular spring 1, steel wire 3 rubs with circular slot 4 edge, the condition of 3 wearing and tearing of steel wire appears easily, because of the power that rectangular spring 1 self elasticity gave steel wire 3, the condition that 3 wearing and tearing of steel wire even break up appears more easily, be circular-arcly through setting up four

circular slots

4 and 3 contact surfaces of steel wire, there is the circular arc as the direction and then reduce frictional force, and then improved the shrink and compressed tightly rectangular spring 1 or extension rectangular spring 1's stability.

As an implementation mode of the invention, arc grooves are formed at the joints of the four steel wires 3 and the rectangular spring 1.

When the shrink compresses tightly rectangular spring 1 or extension rectangular spring 1, if four steel wires 3 direct winding on rectangular spring 1, be the edge because of rectangular spring 1 edge, wearing and tearing appear easily when steel wire 3 rubs with the edge and even break, all seted up the circular arc groove through setting up four steel wires 3 and rectangular spring 1 junction, can reduce frictional force because of the circular arc is as the direction, reduced the frictional force of edge to steel wire 3, and then improved the shrink and compressed tightly rectangular spring 1 or the stability of extension rectangular spring 1.

As an embodiment of the invention, a coil spring box 15 is fixedly arranged inside the winding box 12, and four steel wires 3 penetrate through the winding box 12 and the coil spring box 15 and are fixedly connected with one end of the driving rod 13.

Before manual operation shrink compresses tightly rectangular spring 1, if steel wire 3 swings in disorder in shell 2, take place the winding with other mechanisms easily, lead to other mechanisms to go wrong when operation, through setting up steel wire 3 and the cooperation of wind spring case 15, be equipped with the wind spring in the wind spring case 15, four steel wires 3 pass the wind spring again with 13 one end fixed connection of actuating lever, before operation shrink compresses tightly rectangular spring 1, similar tape measure is general, steel wire 3 is because of the wind spring shrink in wind spring case 15, when needing compression rectangular spring 1, again manual pulling out, avoided steel wire 3 to swing in disorder in shell 2, whole operation's stability has further been improved.

As an embodiment of the present invention, each of the four steel wires 3 is made of a high wear-resistant metal.

When tightening up compression rectangle spring 1 or extension rectangle spring 1, wearing and tearing appear easily and even break up apart in the pulling force that steel wire 3 received actuating lever 13 and rectangle spring 1's elasticity effect, all chooses for use high wear-resisting metal to make through setting up four steel wires 3, like the high manganese steel, let steel wire 3 more wear-resisting, avoid appearing wearing and tearing, the condition of breaking up absolutely, improved the stability at whole in-process of operation.

The working principle is as follows: when the device is used, firstly, a tool such as a screwdriver is manually placed into the through groove 6, the tool enters the connecting pipe 7 to be clamped with the cross groove, the worm 8 is rotated to drive the worm wheel 10 to rotate, the worm wheel 8 drives the worm wheel 10 to rotate, the straight gear 10 drives the straight gear 14 to rotate, the straight gear 14 is fixedly connected with the driving rod 13, the driving rod 13 is further driven to rotate, the four steel wires 3 are fixedly connected with one end of the driving rod 13, the four steel wires 3 are wound on the driving rod 13 along with the rotation of the driving rod 13 to gradually contract and compress the rectangular spring 1, after the rectangular spring 1 is compressed to a required height, the rectangular spring 1 is placed, the pull rod 18 is manually pulled outwards to enable the pawl 19 to be far away from the ratchet wheel 17, the worm 8 is reversely rotated, the worm 8 drives the worm wheel 10, the straight gear 14 and the driving rod 13 to reversely rotate, the elasticity of the rectangular spring 1 is matched, and the rectangular spring 1 is further gradually extended, until the rectangular spring 1 is propped against the two fixing surfaces, the four steel wires 3 are cut off by manual operation after the rectangular spring 1 is propped against the two fixing surfaces.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A profile spring with an auxiliary spring layer, comprising:

the spring comprises a rectangular spring (1), wherein the rectangular spring (1) is divided into an upper part and a lower part;

it is characterized by also comprising:

and the auxiliary spring layer is fixedly connected between the upper part and the lower part of the rectangular spring (1) and used for compressing the rectangular spring (1).

2. The profiled spring with auxiliary spring layer as claimed in claim 1, wherein: the auxiliary spring layer comprises a shell (2) fixedly connected in a rectangular spring (1) through four steel wires (3), four circular grooves (4) are formed in the joints of the steel wires (3) and the shell (2), four buckles (5) are fixedly mounted on the steel wires (3), a driving assembly used for compressing the rectangular spring (1) is arranged inside the shell (2), and a through groove (6) convenient for operating the driving assembly is formed in the outer side wall of the shell (2).

3. The profiled spring with auxiliary spring layer as claimed in claim 2, wherein: drive assembly includes connecting pipe (7) of fixed connection in leading to groove (6), connecting pipe (7) one end is rotated and is installed worm (8), the cross recess has been seted up at worm (8) top, fixed mounting has connecting rod (9) on the inside diapire of shell (2), the one end of connecting rod (9) is rotated and is installed worm wheel (10), worm (8) and worm wheel (10) are mutually supported, the inside rolling subassembly that is used for rolling steel wire (3) that is equipped with of shell (2).

4. The profiled spring with the auxiliary spring layer as claimed in claim 3, wherein: winding assembly includes two (11) of connecting rod of fixed mounting on shell (2) inside lateral wall, two (11) one end fixed mounting of connecting rod have rolling case (12), rolling case (12) are close to the one end rotation of worm wheel (10) and install actuating lever (13), actuating lever (13) are close to worm wheel (10) one end fixed mounting and have spur gear (14), and spur gear (14) and worm wheel (10) meshing, a plurality of apertures (16) have been seted up on rolling case (12), and four steel wires (3) pass the one end fixed connection of circular slot (4) and aperture (16) and actuating lever (13).

5. The profiled spring with auxiliary spring layer as claimed in claim 3, wherein: fixed mounting has ratchet (17) on worm wheel (10), there is pull rod (18) through convenient fixing device movable mounting on shell (2) lateral wall, pull rod (18) serve through spring hinge movable mounting have pawl (19) of mutually supporting with ratchet (17).

6. The profiled spring with auxiliary spring layer as claimed in claim 6, wherein: convenient fixing device is including offering square hole (20) on shell (2), circumference symmetry elastic mounting has two extrusion head (21) on square hole (20) edge, set up four bayonet socket (22) of mutually supporting with extrusion head (21) on pull rod (18), four bayonet socket (22) divide into two sets ofly.

7. The profiled spring with auxiliary spring layer as claimed in claim 2, wherein: the contact surfaces of the four circular grooves (4) and the steel wire (3) are arc-shaped.

8. The profiled spring with the auxiliary spring layer as claimed in claim 2, wherein: arc grooves are formed at the joints of the four steel wires (3) and the rectangular spring (1).

9. The profiled spring with auxiliary spring layer as claimed in claim 4, wherein: a coil spring box (15) is fixedly installed inside the winding box (12), and the four steel wires (3) penetrate through the winding box (12) and the coil spring box (15) to be fixedly connected with one end of the driving rod (13).

10. The profiled spring with auxiliary spring layer as claimed in claim 2, wherein: the four steel wires (3) are made of high-wear-resistance metal.