KR19980016121A - Garage adjuster - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a height adjusting apparatus for adjusting the height from a ground to a vehicle body, and more particularly, A shock absorber in which an upper chamber and a lower chamber are partitioned by a partition of the piston means and filled with oil to absorb an impact, and air of an air supply means when the hydraulic pressure of the lower chamber of the shock absorber is high, A first control means for controlling the flow of the air to be supplied to the air spring and a second control means for controlling the flow of the air so that the air of the air spring is discharged when the oil pressure in the upper chamber of the shock absorber is high, The present invention relates to a regulating device, and it is an object of the present invention to provide a regulating device, It can adjust the height of the garage is to be written structure is compact and the manufacturing cost when building down increases productivity.

Description

Garage adjuster

FIG. 1 is a structural view showing a structure of a height adjustment device applied to a conventional example; FIG.

FIG. 2 is a schematic view showing a structure of a height adjustment device applied to the present invention; FIG.

FIG. 3 is a sectional view showing a state in which a first control means applied to the present invention is disposed. FIG.

FIG. 4 is a sectional view showing a state in which a second control means applied to the present invention is disposed. FIG.

Description of the Related Art [0002]

10: air spring 20: piston means

21: rod section 22: partition member

30: shock absorber 31: upper chamber

32: lower chamber 40: air supply means

50: first control means 51: first piston member

52: first rod member 53: first control member

54: first elastic member 60: second control means

61: second piston member 62: second rod member

63: second ears member 64: second elastic member

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a garage fastening apparatus for adjusting the height from the ground to the body of an automobile. In particular, the present invention can control the height of the body by the flow of hydraulic fluid, The present invention relates to a garage height adjusting device capable of being used.

Generally, a garage adjusting device for adjusting the height from the ground to the body of a car is variously proposed in various forms.

As an example of such a conventional garage height adjusting device, Japanese Utility Model Publication No. 61-40574, published on Nov. 19, 1986, as a utility model, is available in Japan.

Japanese Utility Model Provisional Publication No. 61-40574 discloses an air spring 3 'that is opened between a body 1' and an axle 2 'of a vehicle as shown in FIG. 1, A leveling valve 5 'for controlling the supply and discharge of compressed air fed to the leveling valve 5'; an adjusting means for automatically operating the leveling valve 5 ' (5 ') is forcibly operated by operating the manual switch (25') of the driver's seat so as to discharge the compressed air from the air spring (3 ') to lower the height of the garage Means for inhibiting operation of the forced lowering means when no output signal is present to the sensor; means for prohibiting running of the vehicle when the forced lowering means is in an operating state; Equipped with means for .

The sensor is a vehicle speed sensor 29 'for detecting the speed of the vehicle and is a device for electrically blocking the engine starting device or a device for operating the brake.

Such a conventional height adjustment device requires expensive parts such as a leveling valve 5 'for increasing / decreasing the air inside the air spring 3' so that the height of the garage is kept constant, The manufacturing cost is increased and the productivity is lowered.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to reduce the manufacturing cost by reducing the height of the garage without using expensive parts such as leveling valves, The present invention provides a vehicle height adjusting device capable of improving a vehicle height.

In order to achieve the above object, the present invention provides a height adjustment device comprising: piston means disposed on an air spring that maintains a height of a garage constantly and composed of a rod portion and a partition portion and moved by a pressure applied by a vehicle body; A shock absorber in which an upper chamber and a lower chamber are partitioned by a partition of the lower chamber of the shock absorber and filled with oil to absorb an impact, And a second control means for controlling the flow of air so that the air of the air spring is discharged when the oil pressure of the upper chamber of the shock absorber is high.

According to the present invention, since the height of the garage can be easily adjusted by the pneumatic pressure without using an expensive leveling valve as in the prior art, the structure is made compact, the manufacturing cost is reduced during manufacture, .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a sectional view showing a state in which the first control means applied to the present invention is disposed, FIG. 4 is a view showing the structure of the present invention applied to the present invention Fig. 5 is a cross-sectional view showing a state in which a second control means is disposed.

2 to 4, reference numeral 10 denotes an air spring in which air is filled so that the height of a garage is kept constant, and in the inside thereof, a piston means (not shown), which is moved in the vertical direction by a pressure generated by a load of the vehicle body, (20) is disposed.

The piston means 20 includes a rod portion 21 which is vertically moved by a pressure generated by a load of the vehicle body and a rod portion 21 integrally formed at an end portion of the rod portion 21, (Not shown).

The partitioning portion 22 of the piston means 20 is disposed inside the shock absorber 30 for absorbing and absorbing impact so that the inside of the shock absorber 30 is divided into the upper chamber 31 and the lower chamber 32, .

Reference numeral 40 denotes an air supply means for supplying air to the air spring 10 so that the height of the garage is kept constant. Reference numeral 50 denotes an air supply means for supplying air to the air spring 10 when the height of the garage is lowered. The first control means 60 controls the flow of the air so that the air is supplied to the air spring 10, and the flow control means 60 controls the flow of the air so that the air of the air spring 10 is discharged when the height of the car is increased And second control means.

The first control means 50 includes a first pipe 1 for guiding the flow of the hydraulic pressure filled in the lower chamber 32 of the shock absorber 30, And a third pipe 3 for guiding the air flow so that the air is supplied to the air spring 10 so that the lower chamber 2 of the shock absorber 30, The air generated by the control supply means 40 is guided by the second pipe 2 and the third pipe 3 to be supplied to the air spring 10 when the pressure of the garage 32 is increased, So that the height is kept constant.

That is, the first control means 50 includes a first piston member 51 disposed on the first pipe 1 to be moved by the pressure of the lower chamber 32 of the shock absorber 30, A first rod member 52 integrally formed on the first piston member 51 so as to be operated in conjunction with the first piston member 51 and a second rod member 52 integrally formed on the first piston member 51 and operatively associated with the first rod member 52, A first control member 53 for controlling the flow of air supplied from the air supply means 40 to the air spring 10 by opening and closing a connection portion between the pipe 2 and the third pipe 3, The connection portion between the second pipe 2 and the third pipe 3 is closed by the first control member 53 so that the air generated by the air supply means 40 flows into the air spring 10 And a first elastic member 54 for controlling the first control member 53 so as not to be supplied.

The second control means 60 includes a fifth pipe 5 for guiding the flow of the hydraulic pressure filled in the upper chamber 31 of the shock absorber 30, A sixth pipe 6 for guiding the flow of air and a seventh pipe 7 for guiding the flow of air so as to discharge the air passing through the sixth pipe 6, The air filled in the air spring 10 is guided by the sixth pipe 6 and the seventh pipe 7 to be discharged to the outside when the pressure of the upper chamber 31 of the garage is increased, .

That is, the second control means 60 includes a second piston member 61 disposed on the sixth pipe 6 to be moved by the pressure of the upper chamber 31 of the shock absorber 30, A second rod member 62 integrally formed with the second piston member 61 so as to be operated in conjunction with the second piston member 61 and a second rod member 62 integrally formed with the second piston member 61 and operatively associated with the second rod member 62, A second control member (63) for controlling the flow of air so as to open and close the connecting portion between the pipe (6) and the seventh pipe (7) to discharge the air filled in the air spring (10) The connection member between the sixth pipe 6 and the seventh pipe 7 is closed by the member 63 so that the air filled in the air spring 10 is not discharged, And a second elastic member 64 for controlling the second elastic member 64.

Next, the operation and effect of the above-described structure of the present invention will be described.

First, when the weight of the vehicle body becomes heavy and the height of the garage becomes low, the piston means 20 is moved in the direction of the arrow A shown in FIG. 2, and is divided by the partition portion 22 of the piston means 20 The pressure of the lower chamber 32 of the shock absorber 30 is increased.

When the pressure in the lower chamber 32 of the shock absorber 30 is increased, the oil in the lower chamber 32 is guided to the first pipe 1 so that the first piston 1 of the first control means 50, The member 51 is operated in the direction of the arrow B shown in Fig.

When the first piston member 51 of the first control means 50 is operated in the direction of the arrow B, the first rod member 52 and the first control member 53 are operated in conjunction with each other, The pipe 2 and the third pipe 3 are opened.

When the second pipe (2) and the third pipe (3) are opened by the first control means (50), the air generated by the air supply means (40) Is guided by the third pipe (3) and supplied to the air spring (10), so that the height of the garage is kept constant.

That is, when the height of the garage is lowered, the second pipe (2) and the third pipe (3) are opened by the first control means (50) So that the height of the garage is maintained constant.

When the height of the garage is increased, the piston means 20 is moved in the direction of arrow D shown in FIG. 2, and the shock absorber 30, which is partitioned by the partition portion 22 of the piston means 20, So that the pressure of the upper chamber 31 of the valve body 31 becomes higher.

When the pressure in the upper chamber 31 of the shock absorber 30 is increased, the oil in the upper chamber 31 is guided to the fifth pipe 5 so that the second piston of the second control means 60, The member 61 is operated in the direction of the arrow C shown in Fig.

When the second piston member 61 of the second control means 60 is operated in the direction of the arrow C, the second rod member 62 and the second control member 63 are operated in conjunction with each other, The pipe 6 and the seventh pipe 7 are opened.

When the sixth pipe (6) and the seventh pipe (7) are opened by the second control means (60), air filled in the air spring (10) flows through the sixth pipe Is guided and discharged through the seventh pipe (7) so that the height of the garage is kept constant.

That is, when the height of the garage is increased, the sixth pipe (6) and the seventh pipe (7) are opened by the second control means (60) to discharge the air filled in the air spring The height of the garage is kept constant.

As described above, according to the present invention, since the height can be easily adjusted by the pneumatic pressure without using an expensive leveling valve as in the prior art, the structure is made compact, the manufacturing cost is reduced And the productivity is improved.

Claims (7)

A piston means which is disposed on an air spring which keeps the height of the garage constant and which is moved by a pressure applied by the vehicle body, A shock absorber in which an upper chamber and a lower chamber are partitioned by a partition of the piston means and filled with oil to absorb an impact, First control means for controlling the flow of air so that air of the air supply means is supplied to the air spring when the hydraulic pressure of the lower chamber of the shock absorber is high, And second control means for controlling the flow of the air so that the air of the air spring is discharged when the oil pressure of the upper chamber of the shock absorber is high. 2. The apparatus according to claim 1, A first pipe for guiding the flow of the hydraulic pressure filled in the lower chamber of the shock absorber, A second pipe for guiding the air flow supplied from the control supply means, And a third pipe for guiding the flow of air so that air is supplied by the air spring, When the pressure of the lower chamber of the shock absorber is increased, the air generated by the air supply means is guided by the second pipe and the third pipe to be supplied to the air spring so that the height of the garage is kept constant Features a garage adjuster. 2. The shock absorber according to claim 1, wherein the first control means comprises: a first piston member disposed on the first pipe to be moved by the pressure of the lower chamber of the shock absorber; A first rod member integrally formed on the first piston member to be operated in conjunction with the first piston member, A first control member which is operated in interlock with the first rod member to open and close a connection portion between the second pipe and the third pipe to control the flow of air supplied from the air supply means to the air spring, A first elastic member for controlling the first control member so that the connection portion between the second pipe and the third pipe is closed by the first control member so that the air generated by the air supply means is not supplied to the air spring, Of the vehicle. 2. The apparatus according to claim 1, A fifth pipe for guiding the flow of the hydraulic pressure filled in the upper chamber of the shock absorber, A sixth pipe for guiding the flow of air filled in the air spring, A sixth pipe which is arranged on a seventh pipe for guiding the flow of air so as to discharge the air passing through the sixth pipe, Wherein when the pressure of the upper chamber of the shock absorber is increased, the sixth pipe and the seventh pipe filled in the air spring are guided to be discharged to the outside so that the height of the garage is kept constant, Device. 2. The apparatus according to claim 1, A second piston member disposed on the sixth pipe to be moved by the pressure of the upper chamber of the shock absorber, A second rod member integrally formed on the second patton member to be operated in conjunction with the second piston member, A second control member that is operated in cooperation with the second rod member to open and close a connection portion between the sixth pipe and the seventh pipe to control the flow of air so that the air filled in the air spring is discharged; And a second elastic member for controlling the second control member so that the connection portion between the sixth pipe and the seventh pipe is closed by the second control member so that the air filled in the air spring is not discharged. A garage adjustment device. The method according to claim 1, wherein, when the height of the garage is lowered, Wherein the second pipe and the third pipe are opened by the first control means so that the air generated by the air supply means is supplied to the air spring so that the height of the garage is kept constant. The method of claim 1, wherein, when the height of the garage is increased, And the sixth pipe and the seventh pipe are opened by the second control means, whereby the air filled in the air spring is discharged, so that the height of the garage is kept constant.