CN207673774U - Foam vibration damper with adjustable damping - Google Patents

Abstract

The utility model provides a kind of foaming vibration damper with adjustable damping, including shock absorber body, drive end bearing bracket and rear end cap, piston, piston rod, the jack passed through for piston rod is offered on drive end bearing bracket, plunger shaft is divided into the first cavity and the second cavity by piston, the return flow line being connected with the first cavity of one end is offered on shock absorber body, interface channel is offered on rear end cap, the junction of interface channel and the second cavity is provided with the damping change regulating device of control flow, damping change regulating device includes thread groove, screw rod, the end of screw rod is fixedly installed thimble, thimble is inserted in return port, several throttling channels are offered on thimble, the depth of throttling channel is gradually deepened along the length direction of thimble, damping force value can be adjusted, and increase adjustable gear, so that user experiences different driving pleasures.

Description

Foam vibration damper with adjustable damping

Technical field

The utility model is related to a kind of foaming vibration damper with adjustable damping.

Background technology

The damper being used in the prior art on automobile, is usually changed by the height of mechanical screw type adjustable spring disk Variable damping force value makes the amplitude of the damping spring on vehicle frame bottom out, to reach best comfort level, but due to by To the limitation of damping spring, regulation stall is less, and the user that can not be experiences more driving pleasures.

Utility model content

The purpose of the utility model is to overcome defects existing in the prior art, provide a kind of foaming damping adjustable damping Damping force value can be adjusted in device, and increases adjustable gear so that user experiences different driving pleasures.

To achieve the above object, there is provided a kind of foaming vibration damper with adjustable damping, packets for the technical solution of the utility model It includes and offers the shock absorber body of plunger shaft, be arranged with the matched drive end bearing bracket of the shock absorber body and rear end cap, sliding In being offered for the work on the piston in the plunger shaft, the piston rod that is mutually fixedly connected with the piston, the drive end bearing bracket The plunger shaft is divided into the first cavity and the second cavity, the shock absorber body by the jack that stopper rod passes through, the piston On offer with the return flow line that the first cavity is connected described in one end, offer interface channel, the company on the rear end cap It connects road with the other end of the return flow line to be connected, the interface channel is connected with second cavity, the connection Channel and the junction of second cavity are provided with the damping change regulating device of control flow, and the damping change adjusts dress It sets including the thread groove being opened on the rear end cap, the screw rod being rotatably dispose in the thread groove, the thread groove and institute It states and is connected by return port between interface channel, the end of the screw rod is fixedly installed thimble, and the thimble is inserted in institute State in return port, offer several throttling channels on the thimble, the length direction of the throttling channel along the thimble length Direction extends, and the depth of the throttling channel is gradually deepened along the length direction of the thimble.

It is further improved to be：Rotation is provided with adjusting knob, the adjusting knob and the screw rod on the rear end cap Mutually it is fixedly connected.

It is further improved to be：Gasket, the gasket are provided between the drive end bearing bracket and the shock absorber body On offer the perforation passed through for the piston rod.

It is further improved to be：Lockhole is offered on the piston, the end set of the piston rod has screw thread locking bar, institute Screw thread locking bar is stated across the lockhole to be connected with locking nut.

The advantages of the utility model and advantageous effect are：By driving screw rod rotation, under the cooperation of threaded hole, screw rod Axial movement then drives thimble to be moved in return port, due to being provided with the throttling channel of taper type on thimble, passes through throttling channel Variation size control the size of flow, to reach the variation of damping force value, at the same also can perfect cooperation mechanical spiral The height of formula adjustable spring disk changes damping force value, increases regulation stall, user is allowed to experience different driving pleasures.

Description of the drawings

Fig. 1 is the schematic diagram of the utility model.

Wherein：1, shock absorber body；2, drive end bearing bracket；3, rear end cap；4, piston rod；5, piston；6, return flow line；7, it connects Channel；8, screw rod；9, thimble；10, throttling channel；11, adjusting knob.

Specific implementation mode

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this It encloses.

As shown in Figure 1, a kind of foaming vibration damper with adjustable damping, including offer shock absorber body 1 and the institute of 5 chamber of piston State 1 matched drive end bearing bracket 2 of shock absorber body and rear end cap 3, the piston 5 that is slideably positioned in 5 intracavitary of the piston, with it is described The piston rod 4 that 5 phase of piston is fixedly connected offers the jack passed through for the piston rod 4, the piston 5 on the drive end bearing bracket 2 5 chamber of the piston is divided into the first cavity and the second cavity, is offered on the shock absorber body 1 and described in one end first The return flow line 6 that cavity is connected, interface channel 7 is offered on the rear end cap 3, and the interface channel 7 and the reflux are logical The other end in road 6 is connected, and the interface channel 7 is connected with second cavity, the interface channel 7 and second chamber The junction of body is provided with the damping change regulating device of control flow, and the damping change regulating device is described including being opened in Thread groove on rear end cap 3, the screw rod 8 being rotatably dispose in the thread groove, between the thread groove and the interface channel 7 It is connected by return port, the end of the screw rod 8 is fixedly installed thimble 9, and the thimble 9 is inserted in the return port, Several throttling channels 10 are offered on the thimble 9, the length direction of the throttling channel 10 prolongs along the length direction of the thimble 9 It stretches, the depth of the throttling channel 10 is gradually deepened along the length direction of the thimble 9.

It adjusts in order to facilitate the operation, is rotated on the rear end cap 3 and be provided with adjusting knob 11, the adjusting knob 11 and institute 8 phase of screw rod is stated to be fixedly connected.

In order to improve sealing effect, gasket is provided between the drive end bearing bracket 2 and the shock absorber body 1, it is described close The perforation passed through for the piston rod 4 is offered on packing.

In order to facilitate manufacture, facilitate the assembly of piston 5 and piston rod 4, lockhole, the piston are offered on the piston 5 The end set of bar 4 has screw thread locking bar, the screw thread locking bar to be connected with locking nut across the lockhole.

The basic principles and main features and its advantage of the utility model, the technology people of the industry has been shown and described above For member it should be appreciated that the present utility model is not limited to the above embodiments, described in above-described embodiment and explanation is to illustrate this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention, the utility model requires protection scope It is defined by the appending claims and its equivalent thereof.

Claims (4)

1. a kind of foaming vibration damper with adjustable damping, it is characterised in that：Including offering the shock absorber body of plunger shaft, subtracting with described The matched drive end bearing bracket of shake device ontology and rear end cap, the piston being slideably positioned in the plunger shaft are mutually consolidated with the piston Surely the piston rod connected, offers the jack passed through for the piston rod on the drive end bearing bracket, and the piston is by the plunger shaft It is divided into the first cavity and the second cavity, time being connected with the first cavity described in one end is offered on the shock absorber body Circulation road offers interface channel on the rear end cap, and the interface channel is connected with the other end of the return flow line, institute It states interface channel with second cavity to be connected, the junction of the interface channel and second cavity is provided with control stream The damping change regulating device of amount, the damping change regulating device include the thread groove being opened on the rear end cap, rotation The screw rod being set in the thread groove is connected between the thread groove and the interface channel by return port, the spiral shell The end of bar is fixedly installed thimble, and the thimble is inserted in the return port, and several throttling channels are offered on the thimble, The length direction of the throttling channel extends along the length direction of the thimble, and the depth of the throttling channel is along the thimble Length direction gradually deepens.

2. foaming vibration damper with adjustable damping as described in claim 1, it is characterised in that：Rotation is provided with tune on the rear end cap Knob is saved, the adjusting knob is mutually fixedly connected with the screw rod.

3. foaming vibration damper with adjustable damping as described in claim 1, it is characterised in that：The drive end bearing bracket and the damper sheet It is provided with gasket between body, the perforation passed through for the piston rod is offered on the gasket.

4. foaming vibration damper with adjustable damping as described in claim 1, it is characterised in that：Lockhole, institute are offered on the piston The end set for stating piston rod has screw thread locking bar, the screw thread locking bar to be connected with locking nut across the lockhole.