CN215370727U

CN215370727U - Reducing spring

Info

Publication number: CN215370727U
Application number: CN202121857344.6U
Authority: CN
Inventors: 杨剑峰
Original assignee: Hangzhou Hengli Spring Manufacturing Co ltd
Current assignee: Hangzhou Hengli Spring Manufacturing Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-12-31
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a variable-diameter spring, which relates to the field of springs and comprises a top elastic block, wherein a middle fixing ring is horizontally and fixedly clamped at the bottom end of the top elastic block, a bottom elastic block is fixedly clamped at the bottom end of the middle fixing ring, an extrusion screw rod is in threaded connection with the outer side edge of the middle fixing ring, a rotating disc is fixedly sleeved at one end, far away from the middle fixing ring, of the extrusion screw rod, through connection screw holes are horizontally and symmetrically formed in the outer side edge of the middle fixing ring, a top spring is fixedly clamped at the inner side edge of the top elastic block, a bottom spring is fixedly clamped at the inner side edge of the bottom elastic block, blocking inner blocks are welded at the bottom end of the top spring and the top end of the bottom spring, and extrusion outer pipes are symmetrically arranged at the inner side edge of the middle fixing ring. The device is simple in structure and easy and convenient to operate, can meet the requirements of multiple environments for use under the condition of adopting an adjustable structure, and greatly improves the utilization rate of the spring by rotating and adjusting the device in a time-saving and labor-saving manner.

Description

Reducing spring

Technical Field

The utility model relates to the technical field of springs, in particular to a reducing spring.

Background

For the spring industry, a passive situation that low-grade common springs are over-demanded and high-grade products (high strength, high stress, special parts and special materials) are under-demanded has been formed for a long time. The yield of the spring industry in China tends to be saturated, the annual production of springs in China reaches 40 hundred million according to statistics of experts, all kinds of spring products are 21 in number, and the products are more than 1600 in number, and mainly comprise valve springs, suspension springs, diaphragm springs, damping springs, hydraulic springs, oil pump springs, disc springs, high-temperature springs, snap springs, tension springs, torsion springs, compression springs, volute springs, opposite springs and the like.

The existing springs are designed integrally, and the springs are fixed in use, so that the situation that the stress is insufficient or too large exists in use, the springs can only be replaced under the situation that the stress is insufficient or too large, and the springs are required to be subjected to multiple trial operations in replacement, so that time and labor are wasted in selecting the springs, the springs do not have an adjusting function, the fixed springs are limited in use, and the use rate of the springs is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reducing spring, which solves the problems that the prior springs are all designed integrally and are fixed in use, so that the stress is insufficient or overlarge in use, the springs can only be replaced under the condition of insufficient stress or overlarge stress, and the springs need to be tried and operated for many times in replacement, so that time and labor are wasted in selecting the springs, the springs do not have adjusting functions, and the use rate of the springs is influenced due to certain limitation in application.

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

a reducing spring comprises a top elastic block, wherein a middle fixing ring is horizontally and fixedly clamped at the bottom end of the top elastic block, a bottom elastic block is fixedly clamped at the bottom end of the middle fixing ring, an extrusion screw rod is connected with the outer side edge of the middle fixing ring in a threaded manner, a rotating disc is fixedly sleeved at one end of the extrusion screw rod far away from the middle fixing ring, through screw holes are symmetrically formed in the outer side edge of the middle fixing ring in a penetrating manner, a top spring is fixedly clamped at the inner side edge of the top elastic block, a bottom spring is fixedly clamped at the inner side edge of the bottom elastic block, a blocking inner block is welded at the bottom end of the top spring and at the top end of the bottom spring, an extrusion outer pipe is symmetrically arranged at the inner side edge of the middle fixing ring, through holes are symmetrically formed in two ends of the extrusion outer pipe, a supporting plate is clamped at the inner side edge of the extrusion outer pipe, a supporting spring is clamped between the supporting plates, and clamping side holes are formed in the outer side edge of the extrusion outer pipe, the bottom end of the top spring and the top end of the bottom spring are provided with inner splicing grooves, connecting steel wires are spliced on the inner side edges of the inner splicing grooves, the inner side edges of the inner splicing grooves are clamped with clamping end blocks, and clamping blocks are welded at one end, far away from the rotating disc, of the extrusion screw rod.

As a preferred embodiment of the present invention: the top elastic block is made of soft rubber materials and is of a spring tube type structure, the inside of the middle fixing ring and the inside of the top elastic block are kept to be communicated and connected, the material and the structure of the bottom elastic block are kept consistent with the top elastic block, and the inside of the bottom elastic block and the inside of the middle fixing ring are kept to be communicated and connected.

As a preferred embodiment of the present invention: the number of extrusion screw rod is two, and two extrusion screw rod horizontal symmetry each other set up solid fixed ring's external symmetry side position in, and two extrusion screw rod correspond respectively to peg graft and pass through the thread fixed connection setting at the inboard limit that leads to the screw, and solid fixed ring's lateral wall extends to inside in the one end level of two extrusion screw rod runs through, and the butt joint of guarantor portion is in the opening end position of joint side opening in the extension.

As a preferred embodiment of the present invention: lead to and connect the screw equal level to run through well solid fixed ring's lateral wall extend to inside, and lead to the inside of connecting the screw and keep leading to with well solid fixed ring's inside and connect the setting, the top spring is the inboard side position of the inboard channel of the fixed joint setting of heliciform at an elastic block, the connected mode of end spring keeps unanimous setting with the top spring, the bottom of top spring runs through the inside that alternates the through-hole and extend to the extrusion outer tube, the top of end spring runs through the inside that alternates the through-hole and extend to the extrusion outer tube.

As a preferred embodiment of the present invention: the number of extrusion outer tube is two, and two extrusion outer tubes symmetry respectively set up solid fixed ring's in inside wall position, and the position is provided with the spring body of rod between the one end of two extrusion outer tubes, and the both ends of the spring body of rod all run through the interlude through-hole and extend to inside, and the fixed welding in both ends of the spring body of rod has and blocks the inner mass, and the side butt joint of backup pad is in a side position that blocks the inner mass.

As a preferred embodiment of the present invention: the interior grafting groove is all seted up in the both ends position of the bottom of top spring, the top of end spring and the spring rod body, and the both ends fixed clamping of connecting the steel wire is set up in the side position of joint end block, and connects the steel wire and all run through backup pad center hole and support spring setting, and joint piece joint sets up the inboard side position at the joint side opening.

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

when the spring is extruded, the spring effect is achieved under the supporting effect of the top spring and the bottom spring inside, when the inner diameter of the spring needs to be adjusted, the stress between the top spring and the bottom spring is increased during extrusion, the rotating disc is rotated to drive the extrusion screw to rotate, the clamping end block is enabled to abut against the extrusion outer pipe to move towards the center position of the inner side edge of the middle fixing ring during rotation of the extrusion screw, so that two ends of a spring rod body connected between the two extrusion outer pipes perform extrusion movement towards the center position of the inner side edge of the extrusion outer pipe, one end of the top spring and one end of the bottom spring also perform movement towards the center position of the extrusion outer pipe under the extrusion effect, the inner block is prevented from extruding the supporting plate, the supporting spring at the center position has the supporting effect on the supporting spring, and the two extending ends of the top spring and the bottom spring cannot be extruded together to form hard contact, make top spring and bottom spring at well solid fixed ring's position diameter to central point and put the processing that diminishes under the effect that the extrusion outer tube removed, make its stress increase and satisfy needs, the device sets up simple structure easy and simple to handle, makes under having adopted adjustable structure can satisfy multiple environment and uses, rotates the rate of utilization that has adjusted labour saving and time saving great improvement spring simultaneously.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic perspective view of a variable diameter spring;

FIG. 2 is a schematic structural diagram of a front section connection detail of a reducing spring;

FIG. 3 is a schematic diagram of a connection detail of a top view section of an extruded outer tube of a reducing spring;

FIG. 4 is a schematic structural diagram of a top-view section two connection details of an extruded outer tube of a reducing spring;

fig. 5 is a schematic structural diagram of the connection details of the extrusion screw of the reducing spring.

In the figure: 1. a top elastic block; 2. a middle fixed ring; 3. a bottom elastic block; 4. extruding the screw; 5. rotating the disc; 6. connecting with a screw hole; 7. a top spring; 8. a bottom spring; 9. blocking the inner block; 10. extruding the outer tube; 11. inserting through holes; 12. a support plate; 13. a support spring; 14. clamping the side hole; 15. an inner sleeve groove; 16. connecting steel wires; 17. clamping an end block; 18. and a clamping block.

Detailed Description

Referring to fig. 1-2, in the embodiment of the present invention, a reducing spring includes a top elastic block 1, a middle fixing ring 2 is horizontally and fixedly clamped at a bottom end of the top elastic block 1, a bottom elastic block 3 is fixedly clamped at a bottom end of the middle fixing ring 2, the top elastic block 1 is made of a soft rubber material, the top elastic block 1 is in a spring tube type structure, an inner portion of the middle fixing ring 2 is in through connection with an inner portion of the top elastic block 1, a material and a structure of the bottom elastic block 3 are consistent with those of the top elastic block 1, an inner portion of the bottom elastic block 3 is in through connection with an inner portion of the middle fixing ring 2, an outer side of the middle fixing ring 2 is in threaded connection with two extrusion screws 4, the two extrusion screws 4 are horizontally and symmetrically arranged at outer symmetrical side positions of the middle fixing ring 2, the two extrusion screws 4 are respectively and correspondingly inserted at an inner side of the through connection screw hole 6 and fixedly connected by threads, one end of each of two extrusion screw rods 4 horizontally penetrates through the side wall of the middle fixing ring 2 to extend to the inside, the extending inner protection part is butted at the opening end position of the clamping side hole 14, the end of each extrusion screw rod 4 far away from the middle fixing ring 2 is fixedly sleeved with a rotating disc 5, the outer side edge of the middle fixing ring 2 is horizontally and symmetrically provided with a through-connection screw hole 6, the inner side edge of each top elastic block 1 is fixedly clamped with a top spring 7, the inner side edge of each bottom elastic block 3 is fixedly clamped with a bottom spring 8, the through-connection screw holes 6 horizontally penetrate through the side wall of the middle fixing ring 2 to extend to the inside, the inside of each through-connection screw hole 6 and the inside of the middle fixing ring 2 are kept in through-connection arrangement, each top spring 7 is fixedly clamped at the inner side edge position of an inner side channel of each top elastic block 1 in a spiral manner, the connection manner of the bottom springs 8 and the top springs 7 are kept in consistent arrangement, the bottom ends of the top springs 7 penetrate through holes 11 to extend to the inside of the extrusion outer tubes 10, the top end of the bottom spring 8 penetrates through the inserting through hole 11 and extends to the inside of the extrusion outer pipe 10, the blocking inner blocks 9 are welded at the bottom end of the top spring 7 and the top end of the bottom spring 8, the extrusion outer pipes 10 are symmetrically arranged on the inner side edge of the middle fixing ring 2, the number of the extrusion outer pipes 10 is two, and the two extrusion outer pipes 10 are symmetrically arranged at the inner side wall position of the middle fixing ring 2 respectively;

referring to fig. 3-5, in an embodiment of the present invention, a diameter-variable spring is provided, wherein two ends of an extruded outer tube 10 are symmetrically provided with insertion through holes 11, an inner side edge of the extruded outer tube 10 is clamped with a support plate 12, a spring rod body is disposed between one ends of the two extruded outer tubes 10, two ends of the spring rod body extend to the inside through the insertion through holes 11, two ends of the spring rod body are fixedly welded with a blocking inner block 9, a side edge of the support plate 12 is abutted against a side edge of the blocking inner block 9, a support spring 13 is clamped between the support plates 12, an outer side edge of the extruded outer tube 10 is provided with a clamping side hole 14, a bottom end of a top spring 7 and a top end of a bottom spring 8 are provided with an inner clamping groove 15, an inner side edge of the inner clamping groove 15 is inserted with a connecting steel wire 16, an inner side edge of the inner clamping groove 15 is clamped with a clamping end block 17, one end of an extrusion screw 4 far from a rotating disc 5 is welded with a clamping block 18, the inner sleeve grooves 15 are formed in the bottom end of the top spring 7, the top end of the bottom spring 8 and the two ends of the spring rod body, the two ends of the connecting steel wires 16 are fixedly clamped at the side positions of the clamping end block 17, the connecting steel wires 16 penetrate through the central hole of the support plate 12 and the support spring 13, and the clamping block 18 is clamped at the inner side position of the clamping side hole 14.

The components are standard parts in general or known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.

The working principle of the utility model is as follows:

after the top elastic block 1 and the bottom elastic block 3 are vertically or horizontally placed at the designated positions, when the top elastic block and the bottom elastic block are extruded, because the supporting effect of the top spring 7 and the bottom spring 8 inside the top elastic block and the bottom elastic block play the spring effect, when the inner diameter of the spring needs to be adjusted, the stress between the top spring 7 and the bottom spring 8 is increased when the spring is extruded, the rotating disc 5 is rotated to drive the extruding screw rod 4 to rotate, the rotation of the extruding screw rod 4 enables the clamping end block 17 to abut against the extruding outer tube 10 and move towards the central position on the inner side of the middle fixing ring 2, so that the two ends of the spring rod body connected between the two extruding outer tubes 10 extrude towards the central position on the inner side of the extruding outer tube 10, meanwhile, one end of the top spring 7 and one end of the bottom spring 8 also move towards the central position of the extruding outer tube 10 under the extruding effect, and the inner block 9 is enabled to extrude the supporting plate 12, and the supporting spring 13 at the central position has a supporting effect on the middle fixing ring, so that the two extending ends of the middle fixing ring are not extruded together to form hard contact, and the diameters of the top spring 7 and the bottom spring 8 at the position of the middle fixing ring 2 are reduced to the central position under the action of the movement of the extrusion outer pipe 10, so that the stress of the middle fixing ring is increased to meet the requirement. The device is simple in structure and easy and convenient to operate, can meet the requirements of multiple environments to use under the structure with adjustable, and simultaneously rotates to adjust the utilization rate of the spring, so that the time and labor are saved greatly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The variable diameter spring comprises a top elastic block (1) and is characterized in that a middle fixing ring (2) is horizontally fixed and clamped at the bottom end of the top elastic block (1), a bottom elastic block (3) is clamped and connected at the bottom end of the middle fixing ring (2), an extrusion screw (4) is in threaded connection with the outer side edge of the middle fixing ring (2), a rotating disc (5) is fixedly sleeved at one end, far away from the middle fixing ring (2), of the extrusion screw (4), a through connection screw hole (6) is horizontally and symmetrically formed in the outer side edge of the middle fixing ring (2), a top spring (7) is fixedly clamped and connected at the inner side edge of the top elastic block (1), a bottom spring (8) is fixedly clamped and connected at the inner side edge of the bottom elastic block (3), an inner block (9) is welded at the bottom end of the top spring (7) and the top end of the bottom spring (8), an extrusion outer pipe (10) is symmetrically arranged at the inner side edge of the middle fixing ring (2), the both ends symmetry of extrusion outer tube (10) has been seted up and has been alternated through-hole (11), the inboard side joint of extrusion outer tube (10) has backup pad (12), the position joint has supporting spring (13) between backup pad (12), joint side opening (14) have been seted up to the outside limit of extrusion outer tube (10), cup jointing groove (15) have been seted up on the bottom of top spring (7) and the top of end spring (8), the inboard side grafting of cup jointing groove (15) has connection steel wire (16), the inboard side joint of cup jointing groove (15) has joint end block (17), extrusion screw rod (4) have joint piece (18) in the one end welding of keeping away from rolling disc (5).

2. The reducing spring as claimed in claim 1, wherein the top elastic block (1) is made of soft rubber material, the top elastic block (1) is of a spring tube structure, the inner portion of the middle fixing ring (2) is in through connection with the inner portion of the top elastic block (1), the material and the structure of the bottom elastic block (3) are consistent with those of the top elastic block (1), and the inner portion of the bottom elastic block (3) is in through connection with the inner portion of the middle fixing ring (2).

3. The reducing spring as claimed in claim 1, wherein the number of the two extrusion screws (4) is two, the two extrusion screws (4) are horizontally and symmetrically arranged at the outer symmetrical side position of the middle fixing ring (2), the two extrusion screws (4) are respectively and correspondingly inserted into the inner side edge of the through connection screw hole (6) and are fixedly connected through threads, one end of each extrusion screw (4) horizontally penetrates through the side wall of the middle fixing ring (2) and extends into the inside, and the extending inner protection portion is butted at the opening end position of the clamping side hole (14).

4. The reducing spring as claimed in claim 1, wherein the through screw holes (6) penetrate through the side wall of the middle fixing ring (2) horizontally and extend to the inside, the inside of the through screw holes (6) and the inside of the middle fixing ring (2) are kept in a through connection mode, the top spring (7) is spirally fixed and clamped at the inner side end of the inner side channel of the top elastic block (1), the connection mode of the bottom spring (8) is kept consistent with that of the top spring (7), the bottom end of the top spring (7) penetrates through the penetrating holes (11) and extends to the inside of the extrusion outer tube (10), and the top end of the bottom spring (8) penetrates through the penetrating holes (11) and extends to the inside of the extrusion outer tube (10).

5. The reducing spring as claimed in claim 1, wherein the number of the extrusion outer pipes (10) is two, the two extrusion outer pipes (10) are symmetrically arranged at the inner side wall position of the middle fixing ring (2) respectively, a spring rod body is arranged between one ends of the two extrusion outer pipes (10), both ends of the spring rod body extend to the inside through the insertion through holes (11), the blocking inner blocks (9) are fixedly welded at both ends of the spring rod body, and the side edges of the supporting plates (12) are butted at one side edge position of the blocking inner blocks (9).

6. The reducing spring as claimed in claim 1, wherein the inner connecting grooves (15) are formed at the bottom end of the top spring (7), the top end of the bottom spring (8) and at two ends of the spring rod body, the two ends of the connecting steel wire (16) are fixedly clamped at the side positions of the clamping end block (17), the connecting steel wire (16) is arranged through the central hole of the support plate (12) and the support spring (13), and the clamping block (18) is clamped at the inner side position of the clamping side hole (14).