CN217107974U

CN217107974U - Garage door spring with uniform stress

Info

Publication number: CN217107974U
Application number: CN202221027311.3U
Authority: CN
Inventors: 胡可; 魏正忠; 林滢; 谢建钢
Original assignee: Shaoxing Sanyang Spring Co ltd
Current assignee: Shaoxing Sanyang Spring Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-02
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a garage door spring with uniform stress, which relates to the technical field of springs and comprises a spring body, wherein the top of the spring body is fixed with an upper butt plate, the bottom of the spring body is fixed with a lower butt plate, the top of the upper butt plate is arranged at the middle part and is provided with an installation port, the bottom of the lower butt plate is provided with an adjusting hole, the top of the lower butt plate is fixed with a fixing ring, the top of the fixing ring is equidistantly provided with a plurality of guide holes along the circumferential direction, the bottom of the upper butt plate is equidistantly fixed with a plurality of guide rods along the circumferential direction, and the guide rods are correspondingly and slidably connected inside the guide holes, therefore, the problem that the spring is locally stressed too much to generate a fracture phenomenon is easily caused.

Description

Garage door spring with uniform stress

Technical Field

The utility model relates to a spring technical field especially relates to an even garage door spring of atress.

Background

A spring is a mechanical part that works by elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed. Also used as a "spring". Typically 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.

At present, when the existing spring is used actually, the stress of the spring is uneven due to different stress directions in the compression process, so that the phenomenon of fracture caused by overlarge local stress of the spring is easily caused, the stress of the spring needs to be restrained, and the stress of the spring is even.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a, through setting up the guide bar for can lead to at the in-process of spring compression, solve current spring when the in-service use, because the in-process atress direction difference at the compression makes the spring atress inhomogeneous, thereby lead to the too big and problem that produces the phenomenon of rupture of spring local atress very easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an even garage door spring of atress, includes the spring body, the top of spring body is fixed with the butt plate, the bottom of spring body is fixed with down the butt plate, the top of going up the butt plate is located the middle part and has seted up the installing port, the regulation hole has been seted up to the bottom of butt plate down, the top of butt plate is fixed with solid fixed ring down, gu fixed ring's top has seted up a plurality of guiding holes along the circumferencial direction equidistance, the bottom of going up the butt plate is fixed with a plurality of guide bars, and is a plurality of the guide bar all corresponds the inside of sliding connection at a plurality of guiding holes.

Preferably, an annular opening is formed between the inner walls of the mounting openings, a clamping groove is formed in the inner wall on one side of the annular opening, and a clamping block is arranged inside the clamping groove.

Preferably, a connecting plate is fixed between the inner walls of the clamping blocks, and a movable rod is fixed at the middle position of the bottom of the connecting plate.

Preferably, the internal thread of the adjusting hole is connected with a threaded column, the bottom of the threaded column is provided with an adjusting groove, and the movable rod is slidably connected inside the threaded column.

Preferably, a plurality of butt joint holes are formed in the top of the upper butt joint plate and the top of the lower butt joint plate at equal intervals along the circumferential direction, and the plurality of guide holes penetrate through the bottom of the lower butt joint plate.

Preferably, the inner wall of the fixing ring is flush with the inner wall of the adjusting hole, and the outer surface of the upper butt plate is flush with the outer surface of the lower butt plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, at first through last butt joint plate top and a plurality of butt joint holes and the external connection of butt joint plate top edge circumferencial direction down when using this device, through the rotatory screw thread post of adjustment tank when adjusting for can drive the movable rod downwardly extending, thereby compress the spring body, and pass through the cooperation of guide bar with the guiding hole when the atress, make and to lead to the spring body, thereby prevent that the spring body atress is uneven and produce the fracture.

2. The utility model discloses in, through connecting the bottom at the connecting plate with the movable rod, then through draw-in groove and fixture block, make can produce the cooperation with last buttcover plate and movable rod, thereby can carry out the downwardly stretching with last buttcover plate when rotating the screw post, through rotate the fixture block connect the inside of draw-in groove make can be when the downwardly stretching, prevent that the spring body from producing and rotate, the motion interference phenomenon has been avoided, through seting up the adjustment tank, make things convenient for people to rotate the screw post, and set up solid fixed ring, set up the guiding hole on solid fixed ring, can play the supporting role to the guiding rod, the area of contact of guiding hole and guiding rod has been increased.

Drawings

Fig. 1 is a schematic perspective view of a garage door spring with uniform stress according to the present invention;

fig. 2 is a schematic bottom perspective view of a garage door spring with uniform force applied thereon;

fig. 3 is the utility model provides a cross-sectional three-dimensional structure schematic diagram of garage door spring that atress is even.

Illustration of the drawings: 1. an upper butt plate; 2. a spring body; 3. a lower butt plate; 4. a guide rod; 5. a butt joint hole; 6. an adjustment hole; 7. a threaded post; 8. an adjustment groove; 9. an installation port; 10. a connecting plate; 11. an annular mouth; 12. a card slot; 13. a clamping block; 14. a movable rod; 15. a guide hole; 16. and (4) fixing the ring.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-3, the utility model provides a garage door spring technical scheme that atress is even: including spring body 2, spring body 2's top is fixed with butt plate 1, spring body 2's bottom is fixed with lower butt plate 3, the top of going up butt plate 1 is located the middle part and has seted up installing port 9, regulation hole 6 has been seted up to lower butt plate 3's bottom, lower butt plate 3's top is fixed with solid fixed ring 16, gu fixed ring 16's top has seted up a plurality of guiding holes 15 along the circumferencial direction equidistance, the bottom of going up butt plate 1 is fixed with a plurality of guide bars 4 along the circumferencial direction equidistance, a plurality of guide bars 4 all correspond sliding connection in the inside of a plurality of guiding holes 15.

The effect that its whole embodiment 1 reaches does, at first through last butt plate 1 top and a plurality of butt joint holes 5 and the external connection of butt joint plate 3 top edge circumferencial direction down when using this device, through the rotatory screw thread post 7 of adjustment tank 8 when adjusting, make can drive the movable rod 14 and stretch downwards, thereby compress spring body 2, and pass through the cooperation of guide bar 4 with guiding hole 15 when the atress, make and to lead to spring body 2, thereby prevent that spring body 2 atress is uneven and produce the fracture, current spring when the in-service use has been solved, because the different messenger spring atress of the in-process atress direction of compression is inhomogeneous, thereby lead to the too big and problem of production fracture phenomenon of spring local atress very easily.

Embodiment 2, as shown in fig. 1-3, an annular opening 11 has been seted up between the inner wall of installing port 9, a draw-in groove 12 has been seted up to annular opening 11 one side inner wall, the inside of draw-in groove 12 is provided with fixture block 13, be fixed with connecting plate 10 between the inner wall of fixture block 13, the bottom of connecting plate 10 is located the middle part and is fixed with movable rod 14, the internal thread connection of regulation hole 6 has threaded post 7, adjustment tank 8 has been seted up to threaded post 7's bottom, movable rod 14 sliding connection is in threaded post 7's inside, a plurality of butt joint holes 5 have been seted up along the equidistance of circumferencial direction to the top of going up butt joint plate 1 and the top of lower butt joint plate 3, a plurality of guiding holes 15 all run through to the bottom of lower butt joint plate 3, the inner wall of solid fixed ring 16 flushes with the inner wall of regulation hole 6, the surface of going up butt joint plate 1 flushes with the surface of lower butt joint plate 3 mutually.

The effect that its whole embodiment 2 reaches does, through connecting the bottom at connecting plate 10 with movable rod 14, then through draw-in groove 12 and fixture block 13, make can produce the cooperation with last buttcover plate 1 and movable rod 14, thereby can be with last buttcover plate 1 downwardly stretching when rotating screw post 7, through rotating fixture block 13 and connecting the inside of draw-in groove 12 and make and can be when downwardly stretching, prevent that spring body 2 from producing and rotating, the motion interference phenomenon has been avoided, through seting up adjustment tank 8, make things convenient for people to rotate screw post 7, and set up solid fixed ring 16, set up guiding hole 15 on solid fixed ring 16, can play the supporting role to guide bar 4, the area of contact of guiding hole 15 with guide bar 4 has been increased.

The working principle is as follows: when the device is used, firstly, the plurality of butt joint holes 5 at the top of the upper butt joint plate 1 and the top of the lower butt joint plate 3 along the circumferential direction are connected with the outside, the threaded columns 7 are rotated through the adjusting grooves 8 during adjustment, so that the movable rods 14 can be driven to stretch downwards, the spring body 2 is compressed, the spring body 2 can be guided through the matching of the guide rods 4 and the guide holes 15 during stress, the spring body 2 is prevented from being fractured due to uneven stress, the movable rods 14 are connected to the bottom of the connecting plate 10, then the upper butt joint plate 1 can be matched with the movable rods 14 through the clamping grooves 12 and the clamping blocks 13, the upper butt joint plate 1 can be stretched downwards when the threaded columns 7 are rotated, the clamping blocks 13 are rotatably connected inside the clamping grooves 12, so that the spring body 2 can be prevented from rotating during downward stretching, the phenomenon of motion interference is avoided, through seting up adjustment tank 8, makes things convenient for people to rotate screw thread post 7 to set up solid fixed ring 16, set up guiding hole 15 on solid fixed ring 16, can play the supporting role to guide bar 4, increased the area of contact of guiding hole 15 with guide bar 4.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A garage door spring that atress is even, includes spring body (2), its characterized in that: the top of spring body (2) is fixed with butt-joint plate (1), the bottom of spring body (2) is fixed with down butt-joint plate (3), the top of going up butt-joint plate (1) is located the middle part and has seted up installing port (9), regulation hole (6) have been seted up to the bottom of butt-joint plate (3) down, the top of butt-joint plate (3) is fixed with solid fixed ring (16) down, a plurality of guiding holes (15) have been seted up along the circumferencial direction equidistance at the top of solid fixed ring (16), the bottom of going up butt-joint plate (1) is fixed with a plurality of guide bars (4), and is a plurality of sliding connection is all corresponded the inside at a plurality of guiding holes (15) in guide bar (4).

2. The uniformly stressed garage door spring according to claim 1, wherein: an annular opening (11) is formed between the inner walls of the mounting openings (9), a clamping groove (12) is formed in the inner wall of one side of the annular opening (11), and a clamping block (13) is arranged inside the clamping groove (12).

3. The uniformly stressed garage door spring as set forth in claim 2, wherein: a connecting plate (10) is fixed between the inner walls of the clamping blocks (13), and a movable rod (14) is fixed at the middle position of the bottom of the connecting plate (10).

4. A uniformly loaded garage door spring as set forth in claim 3 in which: the inside threaded connection of regulation hole (6) has screw thread post (7), adjustment tank (8) have been seted up to the bottom of screw thread post (7), movable rod (14) sliding connection is in the inside of screw thread post (7).

5. The uniformly stressed garage door spring as set forth in claim 4, wherein: go up the top of butt joint board (1) and the top of lower butt joint board (3) and seted up a plurality of butt joint holes (5) along the equal equidistance of circumferencial direction, it is a plurality of guiding hole (15) all run through to the bottom of lower butt joint board (3).

6. The uniformly stressed garage door spring as set forth in claim 5, wherein: the inner wall of the fixing ring (16) is flush with the inner wall of the adjusting hole (6), and the outer surface of the upper butt joint plate (1) is flush with the outer surface of the lower butt joint plate (3).