JPH08245191A - Frame for automobile maintenance - Google Patents

Abstract

PURPOSE: To provide a frame for automobile maintenance, capable of adjusting it into a proper level easily, which is well improved from the standpoint of arbitrary usage as making it so as to be facilely usable. CONSTITUTION: This is an automobile maintenance frame mount 10 for supporting a car body at a position where it is uplifted, and a hydraulic jack 20, whose support head 21 goes up and down, is tightly installed in a top base 13 of a base 11 of three legs 12. In addition, a lifting rod 16 capable of adjusting a level stepwise with a check pin 17 is installed in a base 11a of these three legs 12, and then the hydraulic jack 20, where the support head 21 goes up and down, is tightly installed in this lifting rod 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle maintenance stand for supporting a vehicle body in a lifted position.

[0002]

2. Description of the Related Art When servicing an automobile, the vehicle body is supported in a lifted position. A conventional pedestal that supports a vehicle body has a certain height, as shown in FIG.
Supporting the lifting rod 3 on the base 2 like the base 1 shown in
It is general that the height can be changed stepwise by inserting and holding the stop rod 4 into the holes 3a, 3a ...

As shown in FIG. 9, a relatively large van, wagon, or the like is also used by lifting the underfloor by a gantry 1. As a tool that can be easily moved up and down, there is a jack 5 as shown in FIG. 7, and a support head 7 is moved up and down from a base 6.

[0004]

However, in such a conventional technique, the height of the pedestal is constant or can be adjusted only in steps, so that the vehicle is tilted unnecessarily to support it. Not, or the jack 5
If you do not put it under the car, the height is insufficient, so you have to put your body under the car and use it, which may be dangerous. However, there was a problem that it was not easy to use.

The present invention has been made by paying attention to the problems of the prior art as described above, and it is possible to easily adjust the height to an appropriate height and to easily use the vehicle so as to improve the usability. The purpose is to provide a stand for maintenance.

[0006]

The gist of the present invention for achieving the above object resides in the inventions of the following items.

1 In a vehicle maintenance stand (10) for supporting the vehicle body A in a lifted position, three legs (12,
(12 ...) The top base (13) of the base 11 is fixedly provided with a hydraulic jack (20) for raising and lowering the support head (21).

2 In the vehicle maintenance stand (10) for supporting the vehicle body A in the lifted position, the three legs (12,
(12 ...) A base (11a) is provided with a lifting pin (16) whose height can be adjusted stepwise by a stop pin (17), and a hydraulic pressure for lifting and lowering a support head (21) on the lifting rod (16). A cradle for servicing an automobile, characterized in that a jack (20) is fixedly installed.

3 hydraulic jack (20a)) and base (1)
Item 3. The vehicle maintenance stand according to item 1 or 2, further comprising a fastening means (27) for connecting and fixing the top base (13a) of 1b) in a detachable manner.

4 The fastening means is a hydraulic jack (20a)
And a top band (13a) of the base (11b) are connected and fixed, and a buckle (28) that detachably connects the ends of the fastening band (27). The frame for automobile maintenance according to item 1, 2 or 3.

5 The operating rod (25) of the hydraulic jack (20a) is a main rod (2) having a plug end (25b).
Item 5. The vehicle maintenance pedestal according to item 1, 2, 3 or 4, wherein the extension rod (25c) is telescopically fitted in the portion 5a).

[0012]

The pedestal (10) is applied to the proper position of the vehicle body A from below and is supported at the lifted position. When height adjustment is necessary, base 11 of three legs (12, 12 ...)
The supporting head (21) of the hydraulic jack (20) on the top base (13) of the above is raised and lowered to determine the proper position. The raising and lowering may be performed while supporting the vehicle body A, or may be performed in advance.

In the case where the lifting rod (16) whose height can be adjusted step by step with the stop pin (17) is provided on the base (11a) of the three legs (12, 12 ...), the lifting rod (16) is appropriately used. It is more convenient to use because it can be adjusted to a coarse height by extending it to the end and stopping it with a stop pin (17) and then lifting and lowering the supporting head (21) of the hydraulic jack (20) to make fine adjustments.

The hydraulic jack (20a) is a base (11b)
When it is adhered to, it can be used as described above. When the hydraulic jack (20a) is unnecessary, the buckle (28) is loosened to remove the fastening band (27), and the hydraulic jack (20a) is disengaged from the base (11b). The base (11b) can be used as a mere mount. Further, a well-known detachable fastening means other than the fastening band (27) may be used.

When storing, for example, the base (11b) is turned upside down, and the hydraulic jack (20a) is inserted in the space formed between the legs 12, 12 to save space. Can be stored without. The operation rod (25) includes the extension rod (25c) and the main rod (25).
a) Push it in and shorten it for storage. At the time of use, the extension rod (25c) is extended to the required length for use.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of the present invention. The vehicle maintenance base 10 is for supporting the vehicle body A in a lifted position when the lower portion of the vehicle is to be serviced, and normally supports the floor of the vehicle body A from below as shown in FIG. It is used by arranging it in 4 places.

The pedestal 10 includes a base 11 and three legs 12,
The upper end of each of 12 ... Is solidly formed by a solidified top base 13, and a hydraulic jack 20 for vertically moving a support head 21 is fixedly provided on the top base 13.

The hydraulic jack 20 comprises an operating cylinder 23 disposed beside a main cylinder 22 for raising and lowering a supporting head 21, and an operating rod 25 for pumping the operating cylinder 23.

Next, the operation will be described. As shown in FIG. 2, the gantry 10 is applied from below to appropriate positions at the four corners of the lower portion of the vehicle body A, and supports the pedestal 10 in the lifted position. Lifting the vehicle body A to a height at which the gantry 10 is applied is performed by a garage jack or the like having a lift.

When it is necessary to adjust the height after supporting the vehicle body A on the pedestals 10, 10, ..., By operating the operating rod 25, the tripods 12, 12, ... Are on the top base 13 of the base 11. The support head 21 of the hydraulic jack 20 is moved up and down.

That is, when the operating rod 25 is operated so as to swing up and down, the operating oil is sent from the operating cylinder 23 to the lifting side of the main cylinder 22, and the support head 21 rises. When the proper position is set and the operation of the operation rod 25 is stopped, the support head 21 stops at the position.

On the contrary, when lowering the supporting head 21, the supporting head 21 is always trying to lower due to its own weight or the weight of the vehicle body A which is being supported. When the hydraulic oil on the lifting side of the main cylinder 22 of the cylinder 22 is drained, the hydraulic pressure is naturally lowered, and when the valve is closed at an appropriate position, the support head 21 stops at that position. The raising and lowering may be performed while supporting the vehicle body A, or may be performed in advance.

FIG. 3 shows a second embodiment. Since there is a configuration common to that of the first embodiment, the same parts are designated by the same reference numerals, and a duplicate description will be omitted.

The base 11a includes a support cylinder 15 and a lift rod 1
6, an L-shaped stop pin 17 is provided which is vertically fitted inside and vertically penetrates the upper part of the support cylinder 15, and the lift pin 16 is inserted so that the stop pin 17 penetrated through the support cylinder 15 is inserted. The holes 16a, 16a ... Are provided to adjust the hole 1
The lifting rod 16 is supported so that the height can be adjusted stepwise by selectively inserting the stop pin 17 into any of 6a, 16a.

The upper end of the lifting rod 16 is the top base 13.
The top base 13 is formed in the same manner as in the first embodiment.
A hydraulic jack 20 for raising and lowering a support head 21 is fixedly installed in the.

In the second embodiment in which the base 11a is provided with the lifting rod 16 whose height can be adjusted stepwise by the stop pin 17,
The elevating rod 16 is appropriately extended and fixed with a retaining pin 17 to determine a rough height, and then the hydraulic jack 20
It is possible to make fine adjustments by raising and lowering the support head 21 of. The height difference when supporting the vehicle body A can be widely supported, and the usability is further improved.

FIG. 4 shows a third embodiment. Since there is a configuration common to that of the first embodiment, the same parts are designated by the same reference numerals, and a duplicate description will be omitted.

In this embodiment, the hydraulic jack 20a can be attached to and detached from the base 11b. The top base 13a of the base 11b and the base 26 of the hydraulic jack 20a are mounted by mounting the base 26 of the hydraulic jack 20a on the base 11b and winding the periphery with a fastening band 27 that connects the two. It is configured such that it is fastened and fixed by a buckle 28 that is detachably connected.

The support head portion 21a of the hydraulic jack 20a is formed in an open groove shape, and the operating rod 25 is constructed such that an extension rod 25c is telescopically fitted to a main rod 25a having an insertion end 25b.

In this embodiment, when the hydraulic jack 20a is fixed to the base 11b, it can be used in the same manner as in the above embodiment. When the hydraulic jack 20a is unnecessary, the buckle 28 is loosened, the fastening band 27 is removed, and the hydraulic jack 20a is detached from the base 11b.
The base 11b can be used as a mere mount.
It goes without saying that a known detachable fastening means other than the fastening band 27 may be used.

As shown in FIG. 6, the base 11b is turned upside down and the hydraulic jack 20a is inserted in the space formed between the legs 12, 12, ...
It can be stored without taking up space. The operation rod 25 pushes the extension rod 25c into the main rod 25a to shorten it and store it. When using, extend rod 2
Extend 5c to the required length and use.

[0032]

According to the gantry for servicing an automobile according to the present invention, since the hydraulic jack for raising and lowering the supporting head is fixedly mounted on the top base of the base, it is possible to make a delicate height adjustment. The efficiency of car maintenance can be improved. The one provided with an elevating rod whose height can be adjusted stepwise can be finely adjusted by determining the rough height and then elevating and lowering the supporting head of the hydraulic jack, which is more convenient.

[Brief description of drawings]

FIG. 1 is a perspective view showing a vehicle maintenance stand according to a first embodiment of the present invention.

FIG. 2 is a front view showing a usage state of the vehicle maintenance stand according to the first embodiment of the present invention.

FIG. 3 is a perspective view showing a vehicle maintenance stand according to a second embodiment of the present invention.

FIG. 4 is a perspective view showing a vehicle maintenance stand according to a third embodiment of the present invention.

FIG. 5 is a perspective view showing an operation rod of a jack used for a vehicle maintenance stand according to a third embodiment of the present invention.

FIG. 6 is an explanatory diagram showing a stored state of a vehicle maintenance stand according to a third embodiment of the present invention.

FIG. 7 is a perspective view showing a hydraulic jack for vehicle maintenance.

FIG. 8 is a perspective view showing a conventional vehicle maintenance stand.

FIG. 9 is an explanatory view showing a usage state of a conventional vehicle maintenance stand.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Stand 11, 11a, 11b ... Base 12 ... Legs 13, 13a ... Top base 15 ... Support cylinder 16 ... Elevating rod 16a ... Adjusting hole 17 ... Stop pin 20, 20a ... Hydraulic jack 21, 20a ... Support head 22 ... Main cylinder 23 ... Operation cylinder 25 ... Operation rod 25a ... Main rod 25c ... Extension rod 27 ... Fastening band 28 ... Buckle

Claims (5)

[Claims] 1. A vehicle maintenance frame for supporting a vehicle body in a lifted position, wherein a hydraulic jack for raising and lowering a supporting head is fixedly provided on a top base of a three-legged base. Pedestal. 2. A pedestal for servicing an automobile for supporting a vehicle body in a lifted position, wherein a three-legged base is provided with a lifting rod whose height can be adjusted step by step with stop pins, and the lifting head is provided with a supporting head. A pedestal for servicing automobiles, in which a hydraulic jack for raising and lowering parts is fixedly installed. 3. A cradle for servicing an automobile according to claim 1, further comprising a fastening means for detachably connecting and fixing the hydraulic jack and the top base of the base. 4. The fastening means comprises a fastening band for connecting and fixing the hydraulic jack and the top base of the base, and a buckle for detachably connecting the ends of the fastening band. A pedestal for automobile maintenance described in 1, 2, or 3. 5. The operating rod of the hydraulic jack is characterized in that an extension rod is inserted into a main rod having an insertion end so that the extension rod can expand and contract.
The vehicle maintenance frame described.