Cab tilting stay easy-unlock system for automobile

A cab tilting stay easy-unlock system includes: a tilting stay portion including an upper stay rod rotatably combined with a vehicle cab, a lower stay rod rotatably combined on an axis to the upper stay rod and rotatably combined with the vehicle body, and a locking handle provided at the upper stay rod and that fixes or unfixes the upper stay rod and the lower stay rod by being combined with the lower stay rod; and a tilting handle portion connected to the tilting stay portion by a cable and operating the tilting stay portion to be in a folded state.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims under 35 U.S.C. §119(a) the benefit of Korean Patent Application No. 10-2015-0172481 filed in the Korean Intellectual Property Office on Dec. 4, 2015, the entire contents of which are incorporated herein by reference.

BACKGROUND

(a) Field of the Invention

The present invention relates to a cab tilting stay easy-unlock system for a vehicle.

(b) Description of the Related Art

Vehicles, particularly trucks, have a cab, and the cab of the truck is opened for inspection and maintenance of an engine, a chassis, and other components. At this time, the cab is maintained in a tilted state at a predetermined angle.

After the inspection and maintenance, the cab is returned to its original position. Generally, the cab is unlocked and goes down by entering into the lower part of the cab by pulling handles of the cab by hand.

In case of commercial vehicles, the cab is tilted regularly for daily inspections, and when returning the cab to its original location after inspection, incidents such as pinching, jamming, and projecting of the body may occur.

SUMMARY

The present invention provides a cab tilting stay easy-unlock system for a vehicle in which unlocking of a tilting stay portion is possible only by operating a tilting handle portion connected to a cable to solve the problems of pinching, jamming, and projecting of a body that may occur using existing technology.

A cab tilting stay easy-unlock system according to an exemplary embodiment of the present invention includes: a tilting stay portion including an upper stay rod rotatably combined with a vehicle cab, a lower stay rod rotatably combined on an axis to the upper stay rod and rotatably combined with the vehicle body, and a locking handle provided at the upper stay rod and that fixes or unfixes the upper stay rod and the lower stay rod by being combined with the lower stay rod; and a tilting handle portion connected to the tilting stay portion by a cable and operating the tilting stay portion to be in a folded state.

An end portion of the upper stay rod the upper may be fixed to the lower portion of the vehicle cab by an upper bracket.

The upper bracket may include a pulley that rotates so that the cable is wound.

An end portion of the lower stay rod may be fixed to the vehicle body by a lower bracket.

At the lower stay rod, a locking stopper combined with or separated from a locking opening of the upper stay rod to fix or unfix the upper stay rod and the lower stay rod may be provided.

The locking stopper may be provided in the side portion of the lower stay rod and include a spring inside of the locking stopper so that the locking stopper moves along the side portion of the lower stay rod.

The tilting handle portion may be provided on the side portion of the vehicle cab.

The tilting handle portion may include an unlock handle that is connected to and moves the cable, and a spring providing restoring force to the unlock handle.

The locking handle may be connected to the cable and rotate while pulling the cable.

The locking handle may be separated from the lower stay rod by pulling the unlock handle toward the spring.

The locking handle may push the locking stopper by pulling the unlock handle toward the spring.

According to an exemplary embodiment of the present invention, a role of a locking handle which is not used because of discomfort during regular daily inspection may be maximized, and discomfort of users may be minimized, such that usability may be improved.

Also, the problem of pinching, jamming, and projecting of the body occurring by the existing technology when returning to a driving mode after cab tilting may be mostly solved by removing the number of direct accesses by users.

DETAILED DESCRIPTION OF THE EMBODIMENTS

Further, in exemplary embodiments, since like reference numerals designate like elements having the same configuration, a first exemplary embodiment is representatively described, and in other exemplary embodiments, only a configuration different from the first exemplary embodiment will be described.

It shall be noted that the drawings are schematic and do not depict exact dimensions. The relative proportions and ratios of elements in the drawings may be exaggerated or diminished in size for the sake of clarity and convenience in the drawings, and such arbitrary proportions are only illustrative and are not limiting in any way. Like reference numerals are used for like structures, elements, or parts shown in two or more drawings to show similar characteristics. When one part is said to be “over” or “on” another part, the one part may be directly over or on the other part or there may be another part interposed therebetween.

Exemplary embodiments of the present invention specifically show preferred exemplary embodiments of the present invention. As a result, various modifications of the drawings are anticipated. Therefore, the exemplary embodiments are not limited to a specific form of an illustrated region, and, for example, include modifications of a manufactured form.

Hereinafter, a cab tilting stay easy-unlock system for a vehicle according to an exemplary embodiment of the present invention will be described with reference toFIG. 1toFIG. 4.

FIG. 1is a schematic drawing of a cab tilting stay easy-unlock system provided in a vehicle cab and vehicle body,FIGS. 2 and 3are schematic drawings of a tilting stay portion according to an exemplary embodiment of the present invention, andFIG. 4is a schematic drawing of a tilting handle portion according to an exemplary embodiment of the present invention.

Referring toFIG. 1, a cab tilting stay easy-unlock system according to an exemplary embodiment of the present invention includes a tilting stay portion100and a tilting handle portion200. The tilting handle portion200is provided at the side portion of a vehicle cab300, and the tilting stay portion100includes an upper stay rod10and a lower stay rod20. The upper stay rod10is rotatably combined with the lower side of the vehicle cab300, and the lower stay rod20is rotatably combined with the vehicle body.

The tilting stay portion100and the tilting handle portion200are connected each other by a cable14, and the tilting stay portion100may be changed to be in a folded state by operating the tilting handle portion200and pulling the cable14toward the vehicle cab300.

Referring toFIGS. 2-3, the tilting stay portion100includes the upper stay rod10rotatably combined with the vehicle cab300and the lower stay rod20rotatably combined on an axis to the upper stay rod10. The upper stay rod10and the lower stay rod20are connected by a connection pin28and rotate with respect to each other around the pin28.

An end portion of the upper stay rod10may be fixed to the lower part of the vehicle cab300by an upper bracket40. The upper bracket40may include a pulley12rotating so that the cable14is wound. The cable14wound around the pulley12is connected to the tilting handle portion200.

An end portion of the lower stay rod20is fixed to the vehicle body by a lower bracket50. The lower stay rod20is rotatably combined with the lower bracket50, and the lower stay rod20rotates at the lower bracket50when the tilting stay portion100is straightened or folded.

Meanwhile, a locking handle30may be provided at the upper stay rod10. The cable14wound around the pulley12is connected to the locking handle30, and the locking handle30rotates on an axis when the pulley12rotates. The locking handle30is combined with the lower stay rod20, and fixes the upper stay rod10and the lower stay rod20in a straight state. Further, the upper stay rod10and the lower stay rod20may be changed to be in a folded state by operating the tilting handle portion200and separating the locking handle30from the lower stay rod20.

Referring toFIG. 4, the tilting handle portion200includes an unlock handle70and a spring72. The tilting handle portion200includes a grip portion76having ‘U’ shape and a projection74formed at the grip portion76. The cable14is connected to the unlock handle70, and the cable14is extended and wound to the pulley12of the upper stay rod10. The spring72is provided between the projection74and the unlock handle70, and provides restoring force to the unlock handle70. When a user grasps the unlock handle70and the grip portion76together and compresses the spring72, the cable14connected to the unlock handle70is pulled toward the grip portion76.

FIG. 5is a schematic drawing illustrating a user pulling the tilting handle portion according to an exemplary embodiment of the present invention. As shown inFIG. 5, the tilting handle portion200is provided on the side portion of the vehicle cab300, and a user can control the tilting handle portion200at the side of the vehicle cab300without the need to bend his or her body or hands between the vehicle body and the vehicle cab300.

FIG. 6is a drawing illustrating a part “A” ofFIG. 2, and shows the upper bracket combined with the upper stay rod of the tilting stay portion according to an exemplary embodiment of the present invention. Referring toFIG. 6, the upper bracket40is provided at the end portion of the upper stay rod10, and the upper bracket40is attached to the lower part of the vehicle cab300. The upper bracket40and the upper stay rod10are rotatably combined with each other, and the pulley12rotating so that the cable14is wound is provided. The cable14is connected to the unlock handle70of the tilting handle portion200, is wound around the pulley12, and extends to the tilting stay portion100to be connected the locking handle30.

FIG. 7is a drawing illustrating a part “B” ofFIG. 2and shows a locked state of the tilting stay portion according to an exemplary embodiment of the present invention,FIG. 8is a schematic drawing illustrating an unlocking state of the tilting stay portion according to an exemplary embodiment of the present invention, andFIG. 9is a schematic drawing illustrating an unlocked state of the tilting stay portion according to an exemplary embodiment of the present invention.

As shown inFIG. 7andFIG. 8, when the tilting stay portion100is in a locked state, the upper stay rod10and the lower stay rod20are combined in a straight line, and a protrusion34of the locking handle30provided at the upper stay rod10is combined with a protrusion24of the lower stay rod20. In this case, a locking stopper22provided at the lower stay rod20is inserted into a groove formed in the upper stay rod10to fix the upper stay rod10and the lower stay rod20together.

As shown inFIG. 8, when a user pulls the unlock handle70of the tilting handle portion200, the cable14connected to the unlock handle70rotates the locking handle30to separate the locking handle30from the protrusion24of the lower stay rod20. At the same time, the lower side of the locking handle30pushes the locking stopper22of the lower stay rod20to separate the locking stopper22from the groove formed in the upper stay rod10.

When a user fully pulls the unlock handle70, the locking handle30and the lower stay rod20are completely separated, and the locking stopper22is completely separated from the groove formed in the upper stay rod10. As shown inFIG. 9, the upper stay rod10and the lower stay rod20that are rotatably combined by the connection pin28rotate around the connection pin to be in an unlocked state with a folded shape.

FIG. 10is a schematic drawing illustrating a connection state of the upper stay rod and the lower stay rod of the tilting stay portion according to an exemplary embodiment of the present invention,FIG. 11is a schematic drawing illustrating the upper stay rod of the tilting stay portion according to an exemplary embodiment of the present invention, andFIG. 12is a schematic drawing illustrating the lower stay rod of the tilting stay portion according to an exemplary embodiment of the present invention.

Referring toFIGS. 10-12, the upper stay rod10and the lower stay rod20are rotatably connected by the connection pin28, and the locking handle30rotates around a rotation axis32at the inside of the upper stay rod10. Restoring force is provided to the rotation axis32by a spring35to rotate the locking handle30. The cable14is connected to the locking handle30, and the locking handle30rotates around the rotation axis32by pulling the cable14to be separated from the lower stay rod20.

The locking handle30is provided at the inside of the upper stay rod10, and a connection hole26is formed at the upper stay rod10. The connection pin28is inserted into the connection hole26of the upper stay rod10, therefore the upper stay rod10and the lower stay rod20are rotatably combined.

As described, the cab tilting stay easy-unlock system according to an exemplary embodiment of the present invention enables unlocking of the tilting stay portion by operating the tilting handle portion connected to the cable to completely eliminate user action between the vehicle cab and the vehicle body and solve the problems of pinching, jamming, and projecting of the body.

Further, a role of a locking handle which is not used because of discomfort during regular daily inspection may be maximized, and discomfort of users may be minimized, such that usability may be improved.