CN209012307U

CN209012307U - A kind of changeable section compressed spring

Info

Publication number: CN209012307U
Application number: CN201821783387.2U
Authority: CN
Inventors: 罗永江
Original assignee: Chongqing Jiangdu Machinery Manufacturing Plant
Current assignee: Chongqing Jiangdu Machinery Manufacturing Plant
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2019-06-21
Anticipated expiration: 2028-10-31

Abstract

The utility model relates to compressed spring technical field, in particular a kind of changeable section compressed spring, including compressed spring ontology, compressed spring ontology include two symmetrical pedestals；The changeable section compressed spring passes through the casing and loop bar being equipped with, when so that spring is by excessive compression, spring can be prevented to continue to shrink, so that spring is being contracted to stopping contraction afterwards to a certain degree, solve the problems, such as that existing compressed spring is easy to lead to damage due to by excessive compression；The changeable section compressed spring passes through the bearing and limited block being equipped with, so that limited block not will drive limited block displacement when surrounding sleeve rotating, and limited block can be made to compress spring below simultaneously, meet the need of work under specific condition, the state upheld or shunk can only be kept by solving existing compressed spring, it is difficult to the problem of realizing two states simultaneously, not being suitable for specific purposes.

Description

A kind of changeable section compressed spring

Technical field

The utility model relates to compressed spring technical field, specially a kind of changeable section compressed spring.

Background technique

Compressed spring is subject to the helical spring to pressure, and material section used in compressed spring is mostly circle, also useful Rectangle and multiply steel, which are entangled, to be rolled, and spring is generally equal pitch, has certain gap between the circle and circle of compressed spring, when by Spring contraction deforms and stores deformation energy when to external applied load, and in the application of existing spring, general compressed spring is simultaneously not suitable for It is a kind of more in order to occur in the market from the angle of manufacture craft and spring itself strength and stiffness in specific purposes Variable cross-section compressed spring, the spring are combined use by the spring to different cross section, increase spring rate and strong to reach The purpose of degree.

The structure of existing changeable section compressed spring is relatively simple, and on the one hand it lacks protective device, works as spring-compressed Excessively spring is easily caused to damage, on the other hand same section of spring can only keep the state upheld or shunk, it is difficult to while realizing two Kind state, is not suitable for specific purposes, in consideration of it, it is proposed that a kind of changeable section compressed spring.

Utility model content

The purpose of this utility model is to provide a kind of changeable section compressed springs, to solve to propose in above-mentioned background technique Existing changeable section compressed spring structure it is relatively simple, on the one hand its lack protective device, when spring-compressed is excessively easy Spring is caused to damage, on the other hand same section of spring can only keep the state upheld or shunk, it is difficult to while realizing two states, Not the problem of not being suitable for specific purposes.

To achieve the above object, the utility model provides the following technical solutions:

A kind of changeable section compressed spring, including compressed spring ontology, the compressed spring ontology include two mutually right The pedestal of title is set between two pedestals there are two symmetrical gasket, sets that there are two mutually between two gaskets Symmetrical rotary table, spring is equipped between two rotary tables, and the inside of the spring is equipped with anti-excessive compression device.

It opens up fluted on each pedestal, offers through-hole at the bottom center of each groove, and every It is equipped with fixed screw in a through-hole, offers mounting hole on each gasket, outside the circumference of each rotary table It is equipped with thread protrusion on wall, two limit holes, each limit hole are symmetrically arranged in the outer circumferential walls of each rotary table It is inside equipped with limited screw, the bottom surface of the top surface for the rotary table being located above and the underlying rotary table offers spiral shell The top surface of pit, the bottom surface for the rotary table being located above and the underlying rotary table is equipped with threaded post, the spring Both ends be flexibly connected respectively by the thread protrusion with the rotary table.

The anti-excessive compression device includes casing, and loop bar is equipped in described sleeve pipe, is covered in the outer circumferential walls of described sleeve pipe Equipped with bearing, limited block is closely welded on the bearing.

Preferably, the fixed screw is each passed through the through-hole and the mounting hole, and the fixed screw with it is described Threaded hole is threadedly coupled.

Preferably, the limited screw is threadedly coupled with the limit hole.

Preferably, the bottom end of described sleeve pipe is threadedly coupled with the underlying threaded post, the top of the loop bar with The threaded post being located above is threadedly coupled.

Preferably, described sleeve pipe is slidably connected with the loop bar.

Preferably, the inner ring of the bearing is closely welded with described sleeve pipe, and the outer ring of the bearing and the limited block are tight Close welding, and the limited block is rotatablely connected by the bearing and described sleeve pipe.

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

1. the changeable section compressed spring passes through the casing and loop bar being equipped with, when so that spring is by excessive compression, loop bar It is slided in inside pipe casing, when loop bar bottom and sleeve bottom conflict, spring can be prevented to continue to shrink, so that spring is being shunk To stopping shrinking to a certain degree afterwards, solve the problems, such as that existing compressed spring is easy to lead to damage due to by excessive compression；

2. the changeable section compressed spring passes through the bearing and limited block being equipped with, so that limited block is when surrounding sleeve rotating It not will drive limited block displacement, and limited block can be made simultaneously to compress spring below, meet specific condition Under need of work, solve existing compressed spring can only keep uphold or shrink state, it is difficult to while realize two kinds of shapes State, the problem of not being suitable for specific purposes.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the integrally-built perspective view of the explosion in the utility model；

Fig. 3 is the schematic diagram of base structure in the utility model；

Fig. 4 is the structural schematic diagram of rotary table in the utility model；

Fig. 5 is the structural schematic diagram of anti-excessive compression device in the utility model.

In figure: 1, compressed spring ontology；11, pedestal；111, groove；112, through-hole；113, fixed screw；12, gasket； 121, mounting hole；13, rotary table；131, thread protrusion；132, limit hole；133, limited screw；134, threaded post；135, screw thread Hole；14, spring；15, anti-excessive compression device；151, loop bar；152, casing；16, bearing；17, limited block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution:

A kind of changeable section compressed spring, as shown in Figures 1 to 5, including compressed spring ontology 1, compressed spring ontology 1 wrap Two symmetrical pedestals 11 are included, are set between two pedestals 11 there are two symmetrical gasket 12, between two gaskets 12 If being equipped with spring 14 between two rotary tables 13 there are two symmetrical rotary table 13, the inside of spring 14 is equipped with anti-excessive compression Device 15 opens up fluted 111 on each pedestal 11, through-hole 112 is offered at the bottom center of each groove 111, and It is equipped with fixed screw 113 in each through-hole 112, mounting hole 121, the circumference of each rotary table 13 are offered on each gasket 12 It is equipped with thread protrusion 131 on outer wall, two limit holes 132, each limit are symmetrically arranged in the outer circumferential walls of each rotary table 13 Limited screw 133 is equipped in hole 132, the top surface for the rotary table 13 being located above and the bottom surface of underlying rotary table 13 open up There is threaded hole 135, the bottom surface for the rotary table 13 being located above and the top surface of underlying rotary table 13 are equipped with threaded post 134, bullet The both ends of spring 14 pass through thread protrusion 131 respectively and are fixedly connected with rotary table 13.

In the present embodiment, fixed screw 113 is each passed through through-hole 112 and mounting hole 121, and fixed screw 113 and screw thread Hole 135 is threadedly coupled.The mode that fixed screw 113 is connected through a screw thread is closely solid by pedestal 11, gasket 12 and 13 three of rotary table It is scheduled on together, and thread connecting mode is convenient for the disassembly and installation of whole device.

In the present embodiment, limited screw 133 is threadedly coupled with limit hole 132.Limited screw 133 makes spring 14 and rotary table Connection between 13 is more stable, while the mode being threadedly coupled is convenient for the disassembly and installation between spring 14 and rotary table 13.

As shown in Figure 1 and Figure 5, anti-excessive compression device 15 includes casing 152, is equipped with loop bar 151, casing in casing 152 It is arranged with bearing 16 in 152 outer circumferential walls, is closely welded with limited block 17 on bearing 16.

In the present embodiment, the bottom end of casing 152 is threadedly coupled with underlying threaded post 134, the top of loop bar 151 with The threaded post 134 being located above is threadedly coupled.The mode of threaded connection is convenient for loop bar 151 and casing 152 being separately fixed at spiral shell On line column 134, while also it being facilitated to be dismantled.

In the present embodiment, casing 152 is slidably connected with loop bar 151.When spring 14 is by excessive compression, loop bar 151 exists Its bottom is slid into casing 152, so that spring 14 does not continue stress, is played the role of protection to spring 14, is improved bullet The service life of spring 14.

In the present embodiment, the inner ring and casing 152 of bearing 16 are closely welded, and the outer ring of bearing 16 and limited block 17 closely weld It connects, and limited block 17 is rotatablely connected by bearing 16 and casing 152.When rotating limited block 17, limited block 17 is along spring 14 On gap rotation so that the spring 14 of the lower section of limited block 17 is compressed, the spring 14 of 17 top of limited block is upheld, and is realized same Two different states of one section of spring 14.

Further, the diameter of the threaded post 134 and both underlying threaded posts 134 that are located above is inconsistent, position It is adapted in the diameter of the threaded post 134 of top with the internal diameter of loop bar 151, the diameter and casing of underlying threaded post 134 152 internal diameter is adapted.

When in use, fixed screw 113 is each passed through the changeable section compressed spring of the present embodiment by user of service first Through-hole 112 and mounting hole 121 are simultaneously tightened with threaded hole 135, can be fixed by pedestal 11, gasket 12 and rotary table 13, are then used Personnel tighten on the top of loop bar 151 with the threaded post 134 being located above, while by casing 152 and underlying threaded post 134 tighten, and can fix respectively casing 152 and loop bar 151, following user of service respectively wears loop bar 151 and casing 152 Spring 14 is crossed, and allows loop bar 151 also cross casing 152, it is convex that the both ends of spring 14 are screwed in screw thread by last user of service respectively It rises on 131, and simultaneously tightens limited screw 133 with limit hole 132 after spring 14, compressed spring ontology 1 can be pacified It installs into；When spring 14 is squeezed power, loop bar 151 moves inwards in casing 152, arrives when the bottom of loop bar 151 contradicts When the bottom of casing 152,151 stop motion of loop bar, and then limited spring 14 continues to compress；When user of service's rotary stopper block 17 When, limited block 17 rotates between the gap of spring 14, and the spring 14 of 17 lower section of limited block is gradually compressed, 17 top of limited block Spring 14 is stretched.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. a kind of changeable section compressed spring, including compressed spring ontology (1), it is characterised in that: the compressed spring ontology (1) Including two symmetrical pedestals (11), set between two pedestals (11) there are two symmetrical gasket (12), two It is set between a gasket (12) there are two symmetrical rotary table (13), spring is equipped between two rotary tables (13) (14), the inside of the spring (14) is equipped with anti-excessive compression device (15)；

It opens up fluted (111) on each pedestal (11), is offered at the bottom center of each groove (111) Through-hole (112), and be equipped with fixed screw (113) in each through-hole (112), it is offered on each gasket (12) Mounting hole (121) is equipped with thread protrusion (131) in the outer circumferential walls of each rotary table (13), each rotary table (13) Outer circumferential walls on be symmetrically arranged with two limit holes (132), is equipped with limited screw (133) in each limit hole (132), The top surface for the rotary table (13) being located above and the bottom surface of the underlying rotary table (13) offer threaded hole (135), the bottom surface for the rotary table (13) being located above and the top surface of the underlying rotary table (13) are equipped with threaded post (134), the both ends of the spring (14) are fixedly connected by the thread protrusion (131) with the rotary table (13) respectively；

The anti-excessive compression device (15) includes casing (152), is equipped with loop bar (151) in described sleeve pipe (152), described sleeve pipe (152) it is arranged in outer circumferential walls bearing (16), is closely welded with limited block (17) on the bearing (16).

2. changeable section compressed spring according to claim 1, it is characterised in that: the fixed screw (113) is worn respectively The through-hole (112) and the mounting hole (121) are crossed, and the fixed screw (113) and the threaded hole (135) screw thread connect It connects.

3. changeable section compressed spring according to claim 1, it is characterised in that: the limited screw (133) with it is described Limit hole (132) is threadedly coupled.

4. changeable section compressed spring according to claim 1, it is characterised in that: the bottom end and position of described sleeve pipe (152) The threaded post (134) in lower section is threadedly coupled, the top of the loop bar (151) and the threaded post being located above (134) it is threadedly coupled.

5. changeable section compressed spring according to claim 1, it is characterised in that: described sleeve pipe (152) and the loop bar (151) it is slidably connected.

6. changeable section compressed spring according to claim 1, it is characterised in that: the inner ring of the bearing (16) with it is described Casing (152) closely welds, and the outer ring and the limited block (17) of the bearing (16) are closely welded, and the limited block (17) It is rotatablely connected by the bearing (16) and described sleeve pipe (152).