JP2009248845A - Automobile air jack - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a user-friendly automobile air jack to be conveniently stored. <P>SOLUTION: A base material 3 and a load supporting material 2 facing it are provided in a bag body 1 which is inflated by filling air through a valve 4. The base material 3 consists of a bottom wall material 3a and a peripheral wall material 3b erected along the peripheral end of the bottom wall material 3a. A space region encircled by the peripheral wall material 3b is a storage chamber 6 which stores the bag body 1 in a folded condition. The load supporting material 2 is a cover material for closing the upper-face opening of the storage chamber 6. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an air jack for an automobile used for jacking up an automobile when a chain is attached during snowfall, a tire is changed, or a wheel is removed.

  An air jack is known in which air is injected into a sealing bag to expand the sealing bag, and the automobile is jacked up with the expansion pressure (air pressure).

  An air jack, for example, like a pantograph jack or the like, is interposed between a vehicle and the ground to inflate the sealed bag body by air injection to jack up the vehicle. In general, it is folded in a non-use state and is stored in a separately prepared bag to prevent damage due to contact with an article. (For example, patent document 1).

JP 2004-161038 A

  The conventional example can reduce the damage rate due to contact with an article by storing it in a bag, and is suitable for management and handling. (Between the car and the ground) must be set, and depending on how to fold, it may be necessary to fold back to a mode that performs a jack-up function.

  The present invention was conceived with the object of providing an air jack for automobiles that is convenient for storage and easy to use, paying attention to the drawbacks of such conventional examples.

  A peripheral wall in which a base material and a receiving material opposite to the base material are provided in a bag that is expanded by air injected through a valve, and the base material is erected along the peripheral edge of the bottom wall material and the bottom wall material. The basic means is that the space area surrounded by the peripheral wall material is made into a storage chamber in which the folded bag main body is accommodated.

  In addition, by adding a point that the receiving material is a cover material that closes the upper surface opening of the storage chamber to this basic means, there is no problem even if an article is placed, and therefore, there is no inconvenience in storage management. Can be provided.

  The drawings show an example of a vehicle air jack according to the present invention, FIG. 1 is a longitudinal sectional view, FIG. 2 is a longitudinal sectional view in a folded state, FIG. 3 is a plan view of FIG. FIG.

  In the figure, A is an air jack for a vehicle according to the present invention, and the air jack A is composed of a bag main body 1, a load receiving material 2 provided at the upper end of the bag main body 1, and a base material 3 provided at the lower end portion. Is.

  The bag main body 1 is configured by secondarily processing the laminated resin sheet into a square bag shape so that the air valve 4 communicating the inside and outside of the bag main body 1 is fixed to a portion corresponding to the lower end portion of the bag main body 1. The laminated resin sheet, which is a material, has a high airtightness due to its nature, is lightweight, and can be folded (for example, in Japanese Patent Application Laid-Open No. 2004-161308, it is mainly used as a bag). Have been proposed).

  The load receiving material 2 is composed of a main body 2a and a fitting portion 2b protruding from the lower surface of the main body 2a leaving a peripheral end portion, and the lower surface of the fitting portion 2b is a surface of the upper wall piece 1a of the bag main body 1 ( The upper part is fixed to the bag main body 1 by being overlapped on the surface and fastened with an adhesive, and is made of an elastic material made of rubber or resin, and is provided on the main body 2a and receives a jack point a of the automobile. An insertion groove 8 is provided in the upper surface position adjacent to 2a ′, and the jack point a (rocker flange) of the automobile is forcibly inserted (relatively) into the insertion groove 8 and stopped at the jack point a. It is something to wear.

  The base material 3 is composed of a bottom wall material 3a and a peripheral wall material 3b erected along the peripheral edge of the bottom wall material 3a, and the bottom surface of the bag main body 1 is formed on the upper surface of the bottom wall material 3a. Adhering with an adhesive (not shown) to be integrated with the bag main body 1, a storage chamber 6 sufficient to store the bag main body 1 when the space area surrounded by the peripheral wall material 3 b is folded is formed. When the load receiving material 2 is stored in the storage chamber 6, the load receiving material 2 engages with the upper surface opening of the storage chamber 6 formed by the fitting portion 2 b surrounded by the peripheral wall material 3 b to close the cover, and the lid of the storage chamber 6 is used. Constitute.

  The bag main body 1, the cargo receiving material 2 and the base material 3 have a shape in a plan view, but it is needless to say that other polygons or circles may be used.

  When the jack point a is inserted into the insertion groove 8 using the elastic deformation of the load receiving material 2 and the jack point a (rocker flange) is held in the insertion groove 8, the bag main body 1 is caused by the presence of the base material 3. The air jack A is arranged between the automobile and the ground surface by extending under its own weight. When air is press-fitted into the bag main body 1 through the valve 4, the bag main body 1 expands and jacks up the automobile.

  At the time of this jack-up operation, the base material 3 is present directly under the load receiving material 2, so that a stable operation is performed.

  After the jack-up operation, when the air is removed from the bag main body 1 and the load receiving material 2 is lowered, the bag main body 1 is fixed to the lower surface of the fitting portion 2 b of the load receiving material 2. There is no need to actively fold as it descends, and it is housed in the storage chamber 6 of the base material 3, and the storage chamber 6 is closed when the load receiving material 2 is placed on the base material 3, and is an air jack in the storage state. Can be obtained.

FIG. The longitudinal cross-sectional view of the folded state. The top view of FIG. FIG. 4 is a front view of FIG. 3.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bag main body 2 Load receiving material 3 Base material 3a Bottom wall material 3b Perimeter wall material 6 Storage room

Claims (2)

  A peripheral wall in which a base material and a receiving material opposite to the base material are provided in a bag that is expanded by air injected through a valve, and the base material is erected along the peripheral edge of the bottom wall material and the bottom wall material. An air jack for automobiles that is made of a material and is a storage room in which the folded bag body is housed in a space surrounded by a peripheral wall material.   The air jack for automobiles according to claim 1, wherein the load receiving material is a lid member that closes the upper surface opening of the storage chamber.

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