A kind of automotive suspension column assembly is disassembled mechanism
The utility model relates to spring extracting tool field, is specifically related to automotive suspension column assembly and disassembles mechanism.
The primary structure of automotive suspension column assembly forms by adding damper 100 on helical spring 200, the phenomenon being offset to front, rear, left and right when damper 100 can avoid helical spring 200 stressed.Its structure as shown in Figure 1.Helical spring 200 is assembling integral type with damper 100, needs special instrument to disassemble.
Demounting tool of the prior art as shown in Figure 2, arranges left hand thread 1A and right-handed thread 1B on screw rod 1, and top is provided with quadrangular 1C, and left hand thread 1A and right-handed thread 1B coordinate respectively top nut 2 and lower nut 3.Top nut is connected respectively a pair of claw 2A, 2B and 3A, 3B with lower nut.While disassembling, with upper and lower claw, fasten the upper and lower spring silk of helical spring 200, rotating screw bolt 1 make top nut 2 and lower nut 3 mutually close, helical spring 200 is compressed, disassembles subsequently.
But claw of the prior art is relatively-stationary, can not adapt to different central diameters, the pitch of different helical springs 200, versatility is not strong.And in the compressed process of helical spring 200, spring filament shape is constantly to change, if the closed position of claw or angle be not along with compression process, change meeting causes damage to the protective layer on spring silk surface.
Utility model content
The purpose of this utility model is to provide the stronger and closed position of claw of a kind of versatility or the automotive suspension column assembly that angle can change along with spring-compressed process is disassembled mechanism.
For achieving the above object, embodiment of the present utility model provides following technical scheme:
Automotive suspension column assembly is disassembled a mechanism, comprising: screw rod, and described screw rod is provided with left-handed thread section and right-handed thread section; Upper clipping claw support and lower finger mountings, coordinate with described left-handed thread section and described right-handed thread section respectively; Claw; Described upper clipping claw support and described lower finger mountings both sides are provided with traveller, and described claw one end is hook portion, and the other end is cannula portion, and described cannula portion and described traveller matched in clearance also have the free degree of sliding up and down and rotational freedom.
Preferably, described screw rod end is provided with handle.
Preferably, described handle is runner.
Preferably, described automotive suspension column assembly is disassembled mechanism and is also comprised upper supporting plate and lower carrier plate, guide pillar, and described guide pillar is fixedly connected with described upper supporting plate, described lower carrier plate, and described upper clipping claw support and described lower finger mountings and described guide pillar are slidably matched.
Preferably, described guide pillar is at least two, and described screw rod is between described two guide pillars.
In the utility model because claw has the free degree of sliding up and down and rotational freedom in the both sides of finger mountings; therefore for the helical spring of different central diameters, pitch; claw all can find correct position to block helical spring; versatility is stronger; and in helical spring compression process, claw can regulate automatically for the fastening of spring silk, has avoided the infringement to spring silk sealer.
Further, handle is easier to operating personnel to the screw rod application of force.
Further, guide pillar not only can provide the slide-and-guide of finger mountings, and when screw rod is between two guide pillars, guide pillar can also be for operating personnel's gripping.
Accompanying drawing explanation
Next in connection with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the structural representation of column assembly;
Fig. 2 is the axonometric drawing of the helical spring demounting tool of prior art;
Fig. 3 is that the automotive suspension column assembly of embodiment of the present utility model is disassembled the axonometric drawing of mechanism;
Fig. 4 is upper clipping claw support in Fig. 3 and the syndeton schematic diagram between upper clipping claw;
Fig. 5 is that the automotive suspension column assembly of embodiment of the present utility model is disassembled the fundamental diagram of mechanism.
Description of symbols in upper figure: damper, helical spring 200, automotive suspension column assembly are disassembled mechanism 300, handle 310, upper supporting plate 320, upper clipping claw support 330, traveller 331, unthreaded hole 332, screwed hole 333, unthreaded hole 334, upper clipping claw 340, hook portion 341, cannula portion 342, screw rod 350, guide pillar 360, lower finger mountings 370, lower claw 380, lower carrier plate 390.
The specific embodiment
With reference to figure 3, automotive suspension column assembly is disassembled mechanism 300 and is comprised handle 310, upper supporting plate 320, upper clipping claw support 330, upper clipping claw 340, screw rod 350, guide pillar 360, lower finger mountings 370, lower claw 380 and lower carrier plate 390.Wherein, upper supporting plate 320, lower carrier plate 390 and two guide pillars 360 are fixedly connected to form a stake body.In the centre position of two guide pillars 360, screw rod 350 is through upper supporting plate 320 and lower carrier plate 390 and can rotate but upper and lower translation not relative to upper supporting plate 320, lower carrier plate 390.On screw rod 350, be provided with equally left-handed thread section and right-handed thread section, identical with the prior art in Fig. 2, therefore no longer indicate.Upper clipping claw support 330 and lower finger mountings 370 coordinate with left-handed thread section and right-handed thread section respectively, thereby and guide pillar 360 through upper clipping claw support 330, lower finger mountings 370, provide guiding for two finger mountings.In upper clipping claw support 330 both sides, be connected with two upper clipping claws 340, in lower finger mountings 370 both sides, be connected with two lower claws 380.
With reference to figure 4, in upper clipping claw support 330 both sides, be provided with traveller 331 (only illustrating in figure), upper clipping claw 340 one end are for fastening the hook portion 341 of spring silk, the other end is cannula portion 342, traveller 331 matched in clearance of cannula portion 342 and upper clipping claw support 330, therefore and the length of traveller 331 is greater than the length of cannula portion 342, makes the relative traveller 331 of upper clipping claw 340 have and slide up and down the free degree and rotational freedom shown in arrow.On upper clipping claw support 330, be arranged with three through holes, both sides are unthreaded hole 332 and 334, for upper clipping claw support 330 and with being slidably matched of guide pillar 360, middle be screwed hole 333, for the threaded engagement of upper clipping claw support 330 and screw rod 350.
Lower finger mountings 370 is identical with syndeton and Fig. 4 between lower claw 380, is not described in detail herein.
With reference to figure 5, during use, operating personnel grip guide pillar 360, the handle 310 of rotating wheel formula, or in the mode in similar Fig. 2, with spanner, clamping screw rod 350 is rotated, drive screw 350 rotations, under the drive of left hand thread and right-handed thread, upper clipping claw support 330 and lower finger mountings 370 are mutually close, during to correct position, by upper clipping claw 340, lower claw 380 fastens the spring silk of helical spring 200, because upper clipping claw 340 and lower claw 380 have the free degree of sliding up and down and rotational freedom, therefore can adjust up and down upper clipping claw 340 and lower claw 380 adapts to the different pitches for helical spring 200, also can adapt to by rotation upper clipping claw 340 and lower claw 380 the different central diameters of different helical springs 200, all can make claw 340 and 380 find correct position to block the spring silk of helical spring 200, versatility is stronger.After this; be further rotated handle 310 drive screw 350 rotations; thereby upper clipping claw support 330 and lower finger mountings 370 are further mutually near compression helical spring; and in helical spring compression process, upper and lower claw 340 and 380 can regulate the fastening of spring silk along with the deformation of helical spring 200 automatically owing to possessing the free degree of sliding up and down and rotary freedom, has avoided the infringement to spring silk sealer.Continue compression helical spring 200 until the decrement of helical spring 200 can make damper 100 get loose, just can start to disassemble from top the bolt on damper 100 tops, thereby complete disassembling of column assembly.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and be only subject to the restriction of claim, those of ordinary skills can easily carry out equivalence to the present embodiment and replace or modification, but do not leave essence design of the present utility model and scope.