CN215861448U

CN215861448U - Convenient adjustable spring

Info

Publication number: CN215861448U
Application number: CN202122184934.3U
Authority: CN
Inventors: 姜志华
Original assignee: Depinsheng Hardware Spring Kunshan Co ltd
Current assignee: Depinsheng Hardware Spring Kunshan Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-18
Anticipated expiration: 2031-09-09

Abstract

The application discloses spring with adjustable it is convenient, including first connecting plate and second connecting plate, first connecting plate top center department fixed connection spring body bottom, spring body top fixed connection second connecting plate bottom, the lagging is cup jointed through fixing bolt fixing to first connecting plate outer wall, annular lagging bottom under the lagging top fixed connection, annular lagging cup joints at first connecting plate outer wall down. Through being equipped with fixing bolt and will go up annular lagging and the second fixed plate connection, annular lagging and first fixed plate fixed connection will be down, annular lagging and the dismantlement of annular lagging under convenient, the flexible of two annular sleeve cooperation annular expansion plates of rethread, the flexible direction of spring body has been restricted, the stability of spring body use has been increased, the cooperation of two annular sleeves and annular expansion plate simultaneously, can restrict the flexible size of spring body, thereby can effectually avoid damaging the spring body because of pressure is too big.

Description

Convenient adjustable spring

Technical Field

The application relates to the field of springs, in particular to a convenient and adjustable 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 recover to the original shape after the external force is removed, and the parts are generally made of spring steel, the types of the springs are complex and various, and the springs mainly comprise a spiral spring, a volute spiral spring, a plate spring, a special-shaped spring and the like according to the shapes.

Current spring is in the same place through welded connection with the object mostly, and is inconvenient to dismantle the change to the spring to cause the change difficulty, current spring lacks the too big protection to spring pressure simultaneously. Therefore, a convenient and adjustable spring is proposed to address the above problems.

Disclosure of Invention

The spring that provides a convenient adjustable in this embodiment is used for solving the problem that the spring among the prior art is difficult to dismantle.

According to one aspect of the application, a convenient and adjustable spring is provided, and comprises a first connecting plate and a second connecting plate, wherein the center of the top end of the first connecting plate is fixedly connected with the bottom end of a spring body, the top end of the spring body is fixedly connected with the bottom end of the second connecting plate, the outer wall of the first connecting plate is fixedly sleeved with a sleeve plate through a fixing bolt, the top end of the sleeve plate is fixedly connected with the bottom end of a lower annular sleeve plate, the lower annular sleeve plate is sleeved on the outer wall of the first connecting plate, the center of the bottom end of the first connecting plate is fixedly connected with the top end of a cavity plate, and the bottom end of the cavity plate is lapped with the top end of a lower mounting plate;

the outer wall of the second connecting plate is fixedly sleeved with a sleeve plate through a fixing bolt, the bottom end of the sleeve plate is fixedly connected with the top end of an upper annular sleeve plate, the upper annular sleeve plate is sleeved on the outer wall of the second connecting plate, the center of the top end of the second connecting plate is fixedly connected with the bottom end of a cavity plate, and the top end of the cavity plate is overlapped with the bottom end of an upper mounting plate.

Furthermore, the bottom end of the upper annular sleeve plate is fixedly connected with the top end of the annular sleeve, the inner cavity at the bottom end of the annular sleeve is slidably sleeved at the top end of the annular expansion plate, the bottom end of the annular expansion plate is slidably sleeved at the inner cavity at the top end of the other annular sleeve, and the bottom end of the annular sleeve is fixedly connected with the top end of the lower annular sleeve plate.

Furthermore, the top end and the bottom end of the annular expansion plate are respectively and uniformly fixedly connected with one end of a plurality of connecting springs, the other ends of the connecting springs are respectively and fixedly connected with one end of the inner wall of the annular sleeve, and the connecting springs are respectively sleeved in the inner cavity of the annular sleeve in a sliding manner.

Further, go up mounting panel bottom center department and inlayed the recess, the recess inner chamber slides and cup joints the elevator top, the elevator left and right sides has inlayed the draw-in groove respectively, two the draw-in groove is the excellent one end of joint respectively, two one side that the joint stick kept away from each other slides respectively and cup joints at logical inslot chamber, two lead to the groove level respectively and inlay on the mounting panel left and right sides, two one side top and the bottom fixed connection stopper, four that the joint stick kept away from each other slide respectively and cup joint at spacing inslot chamber, four the spacing groove level respectively inlays on two logical inslot wall tops and bottoms.

Further, two one side inner chamber that the joint stick kept away from each other is threaded respectively and is cup jointed threaded rod one end, two the threaded rod other end rotates respectively to connect and runs through the mounting panel left and right sides lateral wall, and two the one end difference fixed connection carousel one side center department that the threaded rod kept away from each other.

Further, the recess has been inlayed to lower mounting panel top center department, the recess inner chamber slides and cup joints the elevator bottom, the elevator left and right sides has inlayed the draw-in groove respectively, two the draw-in groove is the excellent one end of joint respectively, two one side that the joint stick kept away from each other slides respectively and cup joints at logical inslot chamber, two lead to the groove level respectively and inlay down the mounting panel left and right sides, two one side top and the bottom that the joint stick kept away from each other are fixed connection stopper, four respectively the stopper slides respectively and cup joints at spacing inslot chamber, four the spacing groove level respectively inlays at two logical inslot wall tops and bottoms.

Further, two one side inner chamber that the joint stick kept away from each other is threaded respectively and is cup jointed threaded rod one end, two the threaded rod other end rotates respectively to connect and runs through down the mounting panel left and right sides lateral wall, and two the one end difference fixed connection carousel one side center department that the threaded rod kept away from each other.

Further, two elevator blocks slide respectively and cup joint and run through the cavity board, two both ends are slope device respectively about the one side that the elevator block is close to each other, two the spout has been inlayed respectively at both ends about the one side that the elevator block is close to each other, four the spout inner chamber slides respectively and cup joints slider one end, four one side center punishment that the spout was kept away from to the slider do not rotates and connects limit screw one end, four limit screw is threaded respectively and cup joints and runs through two cavity board left and right sides lateral walls.

Through the above-mentioned embodiment of this application, adopted first connecting plate and second connecting plate, solved the problem that the spring is difficult to dismantle, improved the convenience that the spring used.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present application.

In the figure: 1. the connecting structure comprises a first connecting plate, a second connecting plate, a first annular telescopic plate, a second connecting plate, a second annular telescopic plate, a third annular telescopic plate, a fourth annular telescopic plate, a fifth annular telescopic plate, a sixth annular telescopic plate, a fifth annular telescopic plate, a sixth annular telescopic plate, a fixing bolt, a sixth annular telescopic plate, an upper annular telescopic plate, a fifth annular telescopic plate, a sixth annular telescopic plate, a fifth connecting plate, a sixth plate, a fifth connecting plate, a sixth plate, a fifth plate, a sixth plate, a fifth plate, a sixth plate, a fifth plate, a sixth plate, a fifth plate, a sixth plate, a fifth plate, a sixth plate, a sixth plate, a sixth plate, a sixth plate, a sixth plate, a sixth plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The first connecting plate and the second connecting plate in the present embodiment may be applied to various springs, for example, the following spring is provided in the present embodiment, and the first connecting plate and the second connecting plate in the present embodiment may be used to mount the following spring.

This spring includes the spring main part, still includes: the sleeve, telescopic bottom and spring main body's top fixed connection, spring main body's bottom fixedly connected with connecting block, the outer table wall elastic connection of vertical end of connecting block has according to the briquetting, and the through-hole has been seted up to the outer table wall of telescopic vertical end, is connected with the through-hole buckle according to briquetting one side, and telescopic inner chamber and the outer table wall sliding connection in vertical end both sides of connecting block. Specifically, the outer surface walls of the two sides of the vertical end of the connecting block are fixedly connected with sliding blocks, and the sliding blocks are connected with the inner surface walls of the two sides of the vertical end of the sleeve in a sliding mode through vertically arranged sliding grooves, so that the sleeve and the connecting block can be conveniently positioned. Specifically, the outer table wall of the vertical end of connecting block passes through first spring and one side elastic connection according to the briquetting, the dismouting of the sleeve of being convenient for and connecting block. Specifically, one side of pressing the briquetting is the arc structure, reduces the frictional force between pressing briquetting and the spout. The working principle is as follows: during the use, through sleeve and connecting block at spring main body's both sides fixed connection, when the spring of needs annular structure, be connected connecting block and sleeve block, the through-hole has been seted up to telescopic vertical end outer table wall, the vertical end outer table wall of connecting block has the pressure piece through first spring elastic connection, at the in-process of block, the elasticity that receives first spring according to the pressure piece can pass the through-hole, realize the location of sleeve and connecting block, press when not the pressure piece and separate sleeve and connecting block, spring main body reconversion, the result of use of spring has been improved.

Of course, the present embodiment can be used for mounting springs with other structures. The description is omitted, and the spring of the embodiment of the present application is described below.

Referring to fig. 1-3, a convenient and adjustable spring comprises a first connecting plate 1 and a second connecting plate 2, wherein the center of the top end of the first connecting plate 1 is fixedly connected with the bottom end of a spring body 13, the top end of the spring body 13 is fixedly connected with the bottom end of the second connecting plate 2, the outer wall of the first connecting plate 1 is fixedly sleeved with a sleeve plate 12 through a fixing bolt 7, the top end of the sleeve plate 12 is fixedly connected with the bottom end of a lower annular sleeve plate 14, the lower annular sleeve plate 14 is sleeved on the outer wall of the first connecting plate 1, the center of the bottom end of the first connecting plate 1 is fixedly connected with the top end of a cavity plate 20, and the bottom end of the cavity plate 20 is overlapped with the top end of a lower mounting plate 17;

the outer wall of the second connecting plate 2 is fixedly sleeved with a sleeve plate 12 through a fixing bolt 7, the bottom end of the sleeve plate 12 is fixedly connected with the top end of an upper annular sleeve plate 6, the upper annular sleeve plate 6 is sleeved on the outer wall of the second connecting plate 2, the center of the top end of the second connecting plate 2 is fixedly connected with the bottom end of a cavity plate 20, and the top end of the cavity plate 20 is overlapped with the bottom end of an upper mounting plate 8.

The bottom end of the upper annular sleeve plate 6 is fixedly connected with the top end of an annular sleeve 5, the bottom end inner cavity of the annular sleeve 5 is slidably sleeved with the top end of an annular expansion plate 3, the bottom end of the annular expansion plate 3 is slidably sleeved in the top end inner cavity of another annular sleeve 5, the bottom end of the annular sleeve 5 is fixedly connected with the top end of a lower annular sleeve plate 14 to limit the expansion size of the spring body 13, the top end and the bottom end of the annular expansion plate 3 are respectively and uniformly and fixedly connected with one end of a plurality of connecting springs 4, the other end of the plurality of connecting springs 4 are respectively and fixedly connected with one end of the inner wall of the annular sleeve 5, the plurality of connecting springs 4 are respectively and slidably sleeved in the inner cavity of the annular sleeve 5 to increase the expansion stability of the spring body 13, a groove 9 is embedded in the center of the bottom end of the upper mounting plate 8, the inner cavity of the groove 9 is slidably sleeved with the top end of the lifting block 10, and clamping grooves 16 are respectively embedded in the left side and the lifting block 10, two clamping grooves 16 are respectively clamped at one end of a clamping rod 19, one sides of the two clamping rods 19, which are far away from each other, are respectively sleeved in an inner cavity of a through groove 21 in a sliding manner, the two through grooves 21 are respectively horizontally embedded at the left side and the right side of an upper mounting plate 8, the top end and the bottom end of one sides of the two clamping rods 19, which are far away from each other, are respectively fixedly connected with a limiting block 26, the four limiting blocks 26 are respectively sleeved in an inner cavity of a limiting groove 24 in a sliding manner, the four limiting grooves 24 are respectively horizontally embedded at the top end and the bottom end of the inner wall of the two through grooves 21 to limit the rotation of the clamping rod 19, the inner cavity of one side of the two clamping rods 19, which are far away from each other, is respectively sleeved with one end of a threaded rod 23 in a threaded manner, the other ends of the two threaded rods 23 are respectively rotatably connected with and penetrate through the side walls at the left side and the right side of the upper mounting plate 8, and the ends of the two threaded rods 23, which are respectively fixedly connected with the center of one side of a turntable 22, and drive the clamping rods 19 to clamp the clamping grooves 16 by rotating the turntable 22, the center of the top end of the lower mounting plate 17 is embedded with a groove 9, the inner cavity of the groove 9 is sleeved with the bottom end of a lifting block 10 in a sliding manner, the left side and the right side of the lifting block 10 are respectively embedded with a clamping groove 16, two clamping grooves 16 are respectively clamped at one end of a clamping rod 19, one side, away from each other, of the two clamping rods 19 is respectively sleeved in an inner cavity of a through groove 21 in a sliding manner, the two through grooves 21 are respectively horizontally embedded in the left side and the right side of the lower mounting plate 17, the top end and the bottom end of one side, away from each other, of the two clamping rods 19 are respectively fixedly connected with a limiting block 26, four limiting blocks 26 are respectively sleeved in an inner cavity of a limiting groove 24 in a sliding manner, four limiting grooves 24 are respectively horizontally embedded in the top end and the bottom end of the inner wall of the two through grooves 21 to limit the rotation of the other group of clamping rods 19, one side inner cavity, away from each other end of the two clamping rods 23 is respectively sleeved with one end of a threaded rod in a threaded manner and rotatably connected with and penetrates through the side walls of the left side and the right side of the lower mounting plate 17, and two the one end that threaded rod 23 kept away from each other is fixed connection carousel 22 one side center department respectively, promotes another group joint stick 19 joint draw-in groove 16, and two elevator 10 slide respectively to cup joint and run through cavity board 20, two both ends are the slope structure respectively about one side that elevator 10 is close to each other two both ends have inlayed spout 18, four respectively about one side that elevator 10 is close to each other both ends about the spout 18 inner chamber slides respectively and cup joints slider 15 one end, four one side center punishment that slider 15 kept away from spout 18 do not rotates and connects stop screw 11 one end, four stop screw 11 respectively the screw thread cup joint and run through two cavity board 20 left and right sides lateral walls, drive two elevator 10 through boring stop screw 11 and realize rising respectively and descend.

When the utility model is used, electrical elements appearing in the application are externally connected with a power supply and a control switch when in use, the upper mounting plate 8 and the lower mounting plate 17 are respectively welded on two mounting pieces which need to be connected through the spring body 13, when the spring body 13 needs to be mounted, the bottom end of the upper mounting plate 8 is firstly propped against the top end of the cavity plate 20, the two limiting screw rods 11 are matched with the left side and the right side of the cavity plate 20 through the forward rotation limiting screw rod 11, the two limiting screw rods 11 jointly push the lifting block 10 to move upwards until the lifting block 10 is clamped into the inner cavity of the groove 9, then the rotating disc 22 drives the threaded rod 23 to rotate through the forward rotation of the two rotating discs 22, the clamping rod 19 in threaded fit with the threaded rod 23 horizontally moves towards the direction close to the groove 9 under the limitation of the limiting block 26 and the limiting groove 24, so that the two clamping rods 19 are respectively clamped in the inner cavity of the clamping groove 16 to realize clamping and fixing of the lifting block 10, thereby completing the fixation of the second connecting plate 2 and the upper mounting plate 8, and in the same way, the lower mounting plate 17 and the first connecting plate 1 can also realize the fixation, when the disassembly is needed, only the limit screw 11 and the rotary table 22 need to be reversed, the clamping bar 19 is firstly separated from the clamping groove 16, then the lifting block 10 is pulled back to the inner cavity of the cavity plate 20, the disassembly of the spring body 13 can be realized, the disassembly and assembly convenience of the spring body 13 are ensured, the portability is increased, the upper annular sleeve plate 6 is connected with the second fixing plate through the fixing bolt 7, the lower annular sleeve plate 14 is fixedly connected with the first fixing plate, the disassembly of the upper annular sleeve plate 6 and the lower annular sleeve plate 14 is convenient, the expansion direction of the spring body 13 is limited through the two annular sleeves 5 matching with the expansion of the annular expansion plate 3, the stability of the spring body 13 in the use process is increased, and the two annular sleeves 5 are matched with the annular expansion plate 3, the telescopic size of the spring body 1 can be limited, and the spring body 13 can be effectively prevented from being damaged due to overlarge pressure.

The application has the advantages that:

1. the application has simple operation, the two limit screws are matched with the left and right sides of the cavity plate through the corotation limit screw, the two limit screws jointly push the lifting block to move upwards until the lifting block is clamped into the inner cavity of the groove, then the turnplate drives the threaded rod to rotate through the corotation two turnplates, the clamping rod matched with the threaded rod through the thread moves horizontally towards the direction close to the groove under the limitation of the limit block and the limit groove, the two clamping rods are respectively clamped in the inner cavity of the clamping groove, the clamping and fixing of the lifting block are realized, thereby the fixing of the second connecting plate and the upper mounting plate is finished, the mounting plate and the first connecting plate can be fixed under the same principle, when the dismounting is needed, only the contrarotation limit screw and the turnplate are needed, the clamping rod is firstly separated from the clamping groove, then the lifting block is pulled back to the inner cavity plate cavity, the dismounting of the spring body can be realized, and the dismounting convenience of the spring body is ensured, the portability is increased;

2. this application is rational in infrastructure, through being equipped with fixing bolt and going up annular lagging and the second fixed plate connection, annular lagging and first fixed plate fixed connection will be down, annular lagging and the dismantlement of annular lagging under the convenience, the flexible of two ring sleeve cooperation annular expansion plates of rethread, the flexible direction of spring body has been restricted, the stability of spring body use has been increased, the cooperation of two ring sleeves and annular expansion plate simultaneously, can restrict the flexible size of spring body, thereby can effectually avoid damaging the spring body because of pressure is too big.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a convenient adjustable spring which characterized in that: the spring connecting plate comprises a first connecting plate (1) and a second connecting plate (2), the center of the top end of the first connecting plate (1) is fixedly connected with the bottom end of a spring body (13), the top end of the spring body (13) is fixedly connected with the bottom end of the second connecting plate (2), the outer wall of the first connecting plate (1) is fixedly sleeved with a sleeve plate (12) through a fixing bolt (7), the top end of the sleeve plate (12) is fixedly connected with the bottom end of a lower annular sleeve plate (14), the lower annular sleeve plate (14) is sleeved on the outer wall of the first connecting plate (1), the center of the bottom end of the first connecting plate (1) is fixedly connected with the top end of a cavity plate (20), and the bottom end of the cavity plate (20) is overlapped with the top end of a lower mounting plate (17);

the outer wall of the second connecting plate (2) is fixedly sleeved with a sleeve plate (12) through a fixing bolt (7), the bottom end of the sleeve plate (12) is fixedly connected with the top end of an upper annular sleeve plate (6), the upper annular sleeve plate (6) is sleeved on the outer wall of the second connecting plate (2), the center of the top end of the second connecting plate (2) is fixedly connected with the bottom end of a cavity plate (20), and the top end of the cavity plate (20) is overlapped with the bottom end of an upper mounting plate (8).

2. A convenient and adjustable spring as claimed in claim 1, wherein: go up annular lagging (6) bottom fixed connection annular sleeve (5) top, annular sleeve (5) bottom inner chamber slides and cup joints annular expansion plate (3) top, annular expansion plate (3) bottom slides and cup joints at another annular sleeve (5) top inner chamber, annular lagging (14) top under annular sleeve (5) bottom fixed connection.

3. A convenient and adjustable spring as claimed in claim 2, wherein: the top end and the bottom end of the annular expansion plate (3) are respectively and uniformly fixedly connected with one end of a plurality of connecting springs (4), the other ends of the connecting springs (4) are respectively and fixedly connected with one end of the inner wall of the annular sleeve (5), and the connecting springs (4) are respectively sleeved in the inner cavity of the annular sleeve (5) in a sliding mode.

4. A convenient and adjustable spring as claimed in claim 1, wherein: go up mounting panel (8) bottom center department and inlayed recess (9), recess (9) inner chamber slides and cup joints lifter (10) top, draw-in groove (16), two have been inlayed respectively to the lifter (10) left and right sides draw-in groove (16) joint stick (19) one end respectively, two one side that joint stick (19) kept away from each other slides respectively and cup joints at logical groove (21) inner chamber, two it inlays at last mounting panel (8) left and right sides, two to lead to groove (21) level respectively one side top and bottom that joint stick (19) kept away from each other are fixed connection stopper (26), four respectively stopper (26) slide respectively and cup joint at spacing groove (24) inner chamber, four spacing groove (24) level respectively inlays at two logical groove (21) inner wall tops and bottom.

5. A conveniently adjustable spring according to claim 4, wherein: two one side inner chamber that joint stick (19) kept away from each other is threaded socket threaded rod (23) one end respectively, two threaded rod (23) other end rotates respectively to connect and runs through mounting panel (8) left and right sides lateral wall, and two one end difference fixed connection carousel (22) one side center department that threaded rod (23) kept away from each other.

6. A convenient and adjustable spring as claimed in claim 1, wherein: lower mounting panel (17) top center department has inlayed recess (9), recess (9) inner chamber slides and cup joints elevator (10) bottom, elevator (10) left and right sides has inlayed draw-in groove (16) respectively, two draw-in groove (16) joint stick (19) one end respectively, two one side that joint stick (19) kept away from each other slides respectively and cup joints logical groove (21) inner chamber, two lead to groove (21) level respectively and inlay mounting panel (17) left and right sides under, two one side top and bottom difference fixed connection stopper (26), four that joint stick (19) kept away from each other stopper (26) slide respectively and cup joint at spacing groove (24) inner chamber, four spacing groove (24) level respectively inlays at two logical groove (21) inner wall tops and bottom.

7. A portable adjustable spring according to claim 6, wherein: two one side inner chamber that joint stick (19) kept away from each other is threaded socket threaded rod (23) one end respectively, two threaded rod (23) other end rotates respectively to connect and runs through down mounting panel (17) left and right sides lateral wall, and two one end difference fixed connection carousel (22) one side center department that threaded rod (23) kept away from each other.

8. A convenient and adjustable spring as claimed in claim 1, wherein: two elevator (10) slide respectively and cup joint and run through cavity board (20), two both ends are the slope structure respectively about one side that elevator (10) are close to each other, two both ends have inlayed spout (18), four about one side that elevator (10) are close to each other both ends respectively spout (18) inner chamber slides respectively and cup joints slider (15) one end, four one side center punishment that spout (18) were kept away from in slider (15) do not rotates and connects stop screw (11) one end, four stop screw (11) are threaded socket respectively and run through two cavity board (20) left and right sides lateral walls.