CN208719251U - A kind of shock absorber of electrical adjustment damping - Google Patents

Abstract

The utility model relates to a kind of shock absorbers of electrical adjustment damping, it mainly solves the size for adjusting damping by manually adjusting damper regulator in the prior art, its adjustment speed is slow, the problem of degree of regulation difference, including pedestal, equipped with the ram pot on pedestal, inner cylinder is coaxially arranged in ram pot, through-hole is provided on inner cylinder, seal closure is closely provided with ram pot inner wall in ram pot, outer cylinder is arranged on ram pot, lower sealing lid is provided in the outer cylinder, a piston rod is provided in inner cylinder, one end extends in outer cylinder across upper seal closure and is fixed on lower sealing and covers, the other end of piston rod, which is located in inner cylinder, is provided with piston, the first spring is provided on piston rod between upper seal closure and lower sealing lid, airbag apparatus is provided on pedestal, airbag apparatus is provided with and communicated with the first circulation with inner cylinder and cavity respectively The electronic regulating unit for adjusting its liquid flow section is provided in road and second flow path, first flow path and second flow path.

Description

A kind of shock absorber of electrical adjustment damping

Technical field

The utility model relates to a kind of shock absorbers of electrical adjustment damping.

Background technique

Shock absorber is a kind of common locomotive spare and accessory parts.The demand of shock absorber be since spring cannot settle out at once, That is spring is compressed decontrol again after, it can continue for some time Repeated Compression-diastole state, so shock absorber can Vibration caused by concave-convex road surface is encountered to absorb wheel, makes ride comfort.Existing shock absorber, which generally comprises, to be fixed on car body A cylinder pressure, which has a damping oil of high viscosity, and is equipped with a piston, and one end of the cylinder pressure wears a company Bar, one end of the connecting rod are fixed in the wheel frame of wheel, and the other end and the piston in the cylinder pressure are affixed, and the outside of the connecting rod is arranged There is spring.When brake, car body can drive the piston to compress the damping oil inside cylinder pressure via the connecting rod, be buffered with this Effect.

China Patent No.: 201620469734.9 disclose a kind of shock absorber of adjustable damping, which is implementing On, when vehicle is impacted, which can move inward with compressed spring and the piston is driven to move down, so that this is interior Damping oil in cylinder can be flowed into via second channel in the pair cylinder pressure, then is sequentially adjusted via third channel, first and second damping Save device runner and the first passage and flow into the space between the inner cylinder and the main cylinder pressure, then, via the inner cylinder upper end Perforation is back in the inner cylinder.By the damping oil with viscosity by resistance in flow process, so that it may generate compressed The damping action of journey；On the other hand, when the recoil of spring of the shock absorber moves up the piston by piston rod drive, this is interior Damping oil in cylinder can sequentially flow through space, the first passage, first and second damper regulator from the perforation of the inner cylinder upper end Runner, the third channel flow into the pair cylinder pressure, then, be back in the inner cylinder via second channel.Existed by damping oil By resistance in flow process, so that it may generate damping effect；But the big of damping is adjusted by manually adjusting damper regulator Small, adjustment speed is slow, degree of regulation is poor.

Utility model content

Therefore, for above-mentioned problem, the utility model provides a kind of shock absorber of electrical adjustment damping, it is mainly solved The size of damping is adjusted by manually adjusting damper regulator in the prior art, adjustment speed is slow, degree of regulation is poor asks Topic.

To achieve the above object, the utility model uses following technical scheme:

A kind of shock absorber of electrical adjustment damping, including pedestal, it is coaxial in the ram pot equipped with the ram pot on pedestal It is provided with inner cylinder, through-hole is provided on the inner cylinder, the ram pot is interior to be closely provided with seal closure with ram pot inner wall, institute It states ram pot, inner cylinder and upper seal closure and forms a cavity, be arranged with outer cylinder on the ram pot, lower envelope is provided in the outer cylinder Lid, a piston rod is provided in the inner cylinder, and one end passes through upper seal closure and extends in outer cylinder and be fixed on lower sealing lid On, the other end of the piston rod, which is located in inner cylinder, is provided with piston, and upper seal closure and lower sealing lid are located on the piston rod Between be provided with the first spring, airbag apparatus is provided on the pedestal, the airbag apparatus is connected to inner cylinder and cavity respectively It is provided with first flow path and second flow path, is provided in the first flow path and second flow path and adjusts its liquid flow The electronic regulating unit in dynamic section.

Further, the electronic regulating unit includes the valve seat being set on the base, and is provided with third in the valve seat Circulation road is provided with the adjusting block being threadedly coupled with valve seat for controlling third circulation road flow velocity, the valve seat on the valve seat On be provided with link block with adjusting block clamping, the electric motor for being drivingly connected block rotation is provided on the link block, it is described The outer sheath of valve seat is equipped with the first terminal pad and the second terminal pad that can be slided up and down along valve seat, first terminal pad and second It is provided with second spring between terminal pad, recirculation hole, the valve seat are provided in first terminal pad and the second terminal pad Upper the first terminal pad upside that is located at is provided with valve block.

Further, the first elastic parts is provided between upper seal closure and piston on the piston rod.

Further, it is located in outer cylinder on the piston rod and is provided with the second elastic parts.

Further, composite bush is provided between the ram pot and outer cylinder.

By using preceding solution, the beneficial effects of the utility model are: the shock absorber of this electrical adjustment damping, keeps away Shake device forced compression, to push outer cylinder and ram pot relative motion, the spring being arranged on the piston rod is compressed, piston rod to Inner cylinder pushes the movement of piston compression damping oil, and damping oil is flow in airbag apparatus by first flow path, shock absorber compressing force After removal, airbag apparatus pushes damping oil to return in inner cylinder into second flow path excessively, cavity, and pushes piston motion, simultaneously Spring restores to the original state under elastic potential energy effect, so that piston rod restores, by increasing damping oil flow path, improves shock absorber Damping, and by setting electronic regulating unit, increase shock absorber shock-absorbing dynamics adjust, effectively improve shock-absorbing effect Fruit, while improving the degree of regulation and adjustment speed of damping；Further, the working principle of electronic regulating unit is: passing through The rotation of electric motor is controlled, the link block rotation connecting with electric motor is driven, to drive the adjusting with link block clamping Block is slided up and down by screw thread, and then controls the damping oil flow section of third circulation road, thus coutroi velocity, the first terminal pad Be provided with recirculation hole in the second terminal pad, be located on the upside of the first terminal pad on valve seat and be provided with valve block, to reduce adjusting The impact of damping oil initial stage；Further, the first elastic parts of setting, thus when alleviating piston forced compression damping oil The reaction force of generation increases the comfort of shock-absorbing；Further, the second elastic parts of setting, not only acts as the work of bradyseism With, and prevent compressing force is excessive from lower sealing lid and ram pot being caused to hit；Further, it is arranged between ram pot and outer cylinder Composite bush, increases the opposite sliding of outer cylinder and ram pot, and improves the effect of sealing.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the schematic cross-sectional view of the utility model embodiment；

Fig. 3 is the exploded view of the utility model embodiment；

Fig. 4 is the exploded view of electronic regulating unit in the utility model embodiment.

Specific embodiment

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

The utility model embodiment are as follows:

Referring to figs. 1 to Fig. 4, a kind of shock absorber of electrical adjustment damping, including pedestal 1, equipped with the ram pot 2 on pedestal 1, It is coaxially arranged with inner cylinder 3 in the ram pot 2, is provided with through-hole 4 on the inner cylinder 3, in the ram pot 3 and in ram pot 2 Wall is closely provided with seal closure 5, and the ram pot 2, inner cylinder 3 and 5 lid of upper sealing form a cavity 6, cover on the ram pot 2 Equipped with outer cylinder 7, it is provided with lower sealing lid 8 in the outer cylinder 7, a piston rod 9 is provided in the inner cylinder 3, one end passes through upper Seal closure 5 is extended in outer cylinder 7 and is fixed on lower sealing lid 8, and the other end of the piston rod 9, which is located in inner cylinder 3, to be provided with Piston 10 is provided with spring 11 on the piston rod 9 between upper seal closure 5 and lower sealing lid 8, and the piston rod 9 is upper Elastic parts 12 is provided between upper seal closure 5 and piston 10, the elastic parts 12 is respectively plastics resilient cushion and rubber Resilient cushion is located in outer cylinder 7 on the piston rod 9 and is provided with elastic parts 13, and the elastic parts 13 is respectively nylon sleeve And Rubber shock-absorbing pad, it is provided with composite bush 14 between the ram pot 2 and outer cylinder 7, is provided with airbag apparatus on the pedestal 1 15, the airbag apparatus 15 is provided with and communicated with circulation road 16 and circulation road 17, the circulation road 16 with inner cylinder 3 and cavity 6 respectively With the electronic regulating unit 20 for being provided with its liquid flow section of adjusting on circulation road 17；

There are two grooves 18, two grooves 18 to be connected to respectively with circulation road 16 and circulation road 17 for setting on the pedestal 1, Two electronic regulating units 20 are separately positioned in groove 18, and the electronic regulating unit 20 includes being arranged in groove 18 Valve seat 201 is provided with circulation road 202 in the valve seat 201, is provided with to be threadedly coupled with valve seat 201 on the valve seat 201 and is used for The adjusting block 203 of 202 flow velocity of circulation road is controlled, the link block 204 being clamped with adjusting block 203, institute are provided on the valve seat 201 It states to be provided on link block 204 and is drivingly connected the electric motor 205 that block 204 rotates, the electric motor 205 is connected with hose 206 assemblies are provided with the shell 207 for coating electric motor 205 in the groove 18, are provided with shell on the shell 207 Lid 208, the outer sheath of the valve seat 201 is equipped with can be along the terminal pad 209 and terminal pad 210 that valve seat 201 slides up and down, the company It connects and is provided with spring 211 between disk 209 and terminal pad 210, be provided with recirculation hole in the terminal pad 209 and terminal pad 210 212, it is located on the valve seat 201 on the upside of terminal pad 209 and is provided with valve block 213.

The working method of the utility model is: the shock absorber of this electrical adjustment damping, shock absorber forced compression, to push Outer cylinder 7 and 2 relative motion of ram pot, the spring 11 being set on piston rod 9 are compressed, and piston rod 9 pushes piston 10 to inner cylinder 3 The movement of compression damping oil, damping oil are flow in airbag apparatus 15 by first flow path 16, after the removal of shock absorber compressing force, gas Bag apparatus 15 pushes damping oil to return in inner cylinder into flow channels 17, cavity 18, and pushes piston 10 to move, while spring 11 It restores to the original state under elastic potential energy effect, so that piston rod 9 restores, by increasing damping oil flow path, improves shock absorber Damping, and by setting electronic regulating unit 20, the shock-absorbing dynamics for increasing shock absorber is adjusted, and effectively improves shock-absorbing effect Fruit, while improving the degree of regulation and adjustment speed of damping；The working principle of electronic regulating unit 20 is: electronic by controlling The rotation of motor 205 drives the link block 204 connecting with electric motor 205 to rotate, to drive and the clamping of link block 204 Adjusting block 203 is slided up and down by screw thread, and then controls the damping oil flow section of circulation road 202, thus coutroi velocity, connection It is provided with recirculation hole 212 on disk 209 and terminal pad 210, is located on the upside of the first terminal pad 209 on valve seat 201 and is provided with valve block 213, to reduce the impact for adjusting the damping oil initial stage；The elastic parts 12 of setting, to alleviate 10 forced compression of piston The reaction force generated when damping oil increases the comfort of shock-absorbing；The elastic parts 13 of setting, not only acts as the effect of bradyseism, And prevent compressing force is excessive from lower sealing lid 8 and ram pot 2 being caused to hit；The composite bush being arranged between ram pot 2 and outer cylinder 7 14, increase the opposite sliding of outer cylinder 7 and ram pot 2, and improve the effect of sealing.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (5)

1. a kind of shock absorber of electrical adjustment damping, it is characterised in that: including pedestal, equipped with the ram pot on pedestal, the liquid It is coaxially arranged with inner cylinder in pressure cylinder, through-hole is provided on the inner cylinder, is closely provided in the ram pot with ram pot inner wall Upper seal closure, the ram pot, inner cylinder and upper seal closure form a cavity, are arranged with outer cylinder, the outer cylinder on the ram pot It is inside provided with lower sealing lid, a piston rod is provided in the inner cylinder, one end extends in outer cylinder and solid across upper seal closure It is scheduled on lower sealing to cover, the other end of the piston rod, which is located in inner cylinder, is provided with piston, and upper sealing is located on the piston rod Be provided with the first spring between lid and lower sealing lid, be provided with airbag apparatus on the pedestal, the airbag apparatus respectively with it is interior Cylinder and cavity are provided with and communicated with first flow path and second flow path, are provided in the first flow path and second flow path Adjust the electronic regulating unit of its liquid flow section.

2. the shock absorber of electrical adjustment according to claim 1 damping, it is characterised in that: the electronic regulating unit includes The valve seat being set on the base is provided with third circulation road in the valve seat, is provided on the valve seat and is threadedly coupled with valve seat For controlling the adjusting block of third circulation road flow velocity, the link block with adjusting block clamping, the connection are provided on the valve seat The electric motor for being drivingly connected block rotation is provided on block, the outer sheath of the valve seat is equipped with can slide up and down along valve seat first Terminal pad and the second terminal pad are provided with second spring, first connection between first terminal pad and the second terminal pad It is provided with recirculation hole on disk and the second terminal pad, is located on the upside of the first terminal pad on the valve seat and is provided with valve block.

3. the shock absorber of electrical adjustment damping according to claim 1 or 2, it is characterised in that: be located on the piston rod The first elastic parts is provided between upper seal closure and piston.

4. the shock absorber of electrical adjustment damping according to claim 3, it is characterised in that: be located at outer cylinder on the piston rod Inside it is provided with the second elastic parts.

5. the shock absorber of electrical adjustment damping according to claim 4, it is characterised in that: between the ram pot and outer cylinder It is provided with composite bush.