KR20040089860A - Spare tire locking device for vehicle - Google Patents

Abstract

PURPOSE: A spare tire-fixing device for a vehicle is provided to enable anyone to easily mount and remove a spare tire by improving a fixing device for fixing the spare tire. CONSTITUTION: A spare tire-fixing device for a vehicle fixes a spare tire put on a tire-fixing unit having a through hole. The spare tire-fixing device includes a fitting part(10) fitted to the tire-fixing unit and a connection part(20) vertically installed in the middle of the fitting part. The fitting part is elastically contracted when the fitting part passes through the through hole of the tire-fixing unit and is restored to the original state after the passage of the through hole. A flange(23) is formed to the upper side to make the spare tire arranged in a close contact state between the fitting part and the connection part. A handle(24) is arranged to the upper part of the flange.

Description

Spare tire locking device for vehicle

The present invention relates to a spare tire fixing device for a vehicle, and more particularly, the spare tire is easily fixed to the tire fixture by simply pushing the device of the present invention, which is largely composed of a locking part and a connecting part, to the tire fixture, and removing the spare tire. When it is related to the spare tire fixing device that can remove the spare tire by pulling the handle provided in the connecting portion.

In general, a car is provided with a spare tire (hereinafter referred to as a "spare tire") that can be replaced and used in preparation for an unexpected tire puncture. In a sedan, the spare tire is placed on the bottom of the trunk. It is installed.

The spare tire is usually fixed to the vehicle body through the clamp so that the vehicle does not shake during driving.

1 is an exploded perspective view showing a conventional spare tire fixing device, in which the tire fastener 2 is formed to protrude so that the spare tire st may be mounted on the floor panel 1 of the vehicle, and the tire fastener ( In the center of 2), a predetermined groove 2a in which a thread is formed is formed long.

The spare tire is mounted on the spare tire st such that the groove 2a of the tire fixing tool is positioned at the center hub h of the spare tire wheel w, and the clamp 3 having a long screw portion 3a is formed at one side thereof. When passing through the center hub (h) of the wheel to be inserted into the groove (2a) of the tire holder (2) it is fixed to the tire holder (2) while pressing the spare tire (st).

In addition, when removing the spare tire st again, the clamp 3 is detached from the tire fastener 2 by turning the clamp 3 in the opposite direction, and the spare tire st is replaced by the tire fastener 2. Just take it out.

However, the conventional spare tire fixing device as described above is required to rotate the clamp at the time of mounting and detachment of the spare tire, so that it takes a lot of time and is a very difficult task for the weak woman or the elderly.

In addition, when the spare tire is not used for a long time or water flows into the coupling part of the clamp and the tire fixture, and the screw part of the clamp and the tire fixture is fixed by rust, the clamp is not easily rotated, so it is not easy to remove the spare tire. there was.

The present invention has been proposed in order to solve the above problems, the object of which is to improve the fixing device for fixing the spare tire in the car to enable anyone to easily install and remove the spare tire.

1 is an exploded perspective view showing a conventional spare tire fixing device,

2 is a perspective view of the combination of the present invention,

3 is an exploded perspective view of the present invention;

Figures 4a to 4d is an operating state diagram according to the present invention.

※ Explanation of symbols about main part of drawing ※

1: Floor Panel 2: Tire Fixture

2 ': through hole st: spare tire

10: latching portion 11: center hub

12: jam jaw 13: link

14: wire spring 15: restore button

20: connection portion 21: coupling rod

22: connecting rod 23: flange

24: handle 25: guide cover

26: spring

EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated in detail based on attached drawing.

Figure 2 is a combined perspective view of the present invention, Figure 3 is an exploded perspective view of the present invention, Figures 4a to 4d shows an operating state diagram according to the present invention.

The spare tire fixing device of the present invention is to press the spare tire (st) to be mounted on the tire holder (2) is coupled to the tire fixture (2) installed on the floor panel (1) of the vehicle, the tire fixture In the center of (2), a coupling hole 2 'of a predetermined diameter is formed.

Referring to the configuration of the present invention with reference to the accompanying drawings, the present invention is installed perpendicular to the center of the locking portion 10, the locking portion 10 and the locking portion 10 and the locking portion and Spare tire (st) in between is largely composed of a connecting portion 20 to be in close contact.

The locking portion 10 is in close contact with the upper portion of the inner surface of the tire fixing tool 2 through the through hole 2 'of the tire fixing tool 2 shown in FIGS. 4A to 4D, and the locking part 10 is a tire fixing tool. When passing through the through hole (2 ') of the elastic contraction, after passing through the through hole (2') is unfolded to the original state to be caught on the upper side of the inner side of the tire fastener (2).

Detailed configuration and structure of the locking portion 10 is shown in Figures 2 and 3 well, referring to Figures 2 and 3, the locking portion 10 of the present invention is the center hub 11, and Four locking jaws 12 which are separated from the center hub by a predetermined distance and are caught by the tire fastener 2, a link 13 connecting the locking jaws 12 and the center hub 11, Wire spring 14 to provide an elastic force, and the recovery button 15 to be restored to its original position after the wire spring is elastically deformed.

A coupling hole 11a is formed at the center of the central hub 11 so that one end of the connection portion 20 is coupled, and the upper and lower outer peripheral surfaces of the central hub 11 are based on the coupling hole 11a. Four grooves (11b) for connecting the link is formed in the four places of the left, right.

In addition, an insertion groove 11c having a predetermined depth in the direction of the coupling hole 11a of the center hub in a space between one connection groove 11b and a neighboring connection groove 11b on the outer circumferential surface of the center hub 11. Is formed, the insertion groove (11c) is installed so that the restoration button 15 is projected on the outer peripheral surface of the central hub (11) via the spring (15a).

Meanwhile, one end of a link 13 having a predetermined length is hinged to the connection groove 11b of the central hub, and the link 13 is hinged in total to four radially connected to the connection groove 11b of the central hub. The four links 13 are all the same length in length.

In addition, the other end of each of the links 13, the locking jaw 12 is connected so as to be able to flow through the hinge pin (p), the other end of the link (13) is connected to the locking step 12 A vertical flow groove 12a is formed upward from the site where the other end of the link is connected to enable the locking jaw 12 to flow in a set form.

That is, the locking jaw 12 is connected to the other end of the link 13 extending radially from the center hub 11, respectively, from the center hub 11 to the locking jaw 12 The distances must be the same for all four. Therefore, a constant distance must always be secured between one locking jaw 12 and another adjacent locking jaw 12.

When the catching jaw 12 is maximally opened from the center hub 11, it must be configured to have a diameter larger than the through hole 2 'of the tire fixing tool 2, and the catching jaw 12 is a link 13 Rotation through the hinge and close to the center hub 11 should be able to pass through the through hole (2 ') of the tire fixture.

In addition, after passing through the through hole (2 ') of the tire fixture, the locking jaw (12) should be configured to be caught to the inner surface of the tire fixture (2) again to the maximum unopened state, such a series of operations The upper surface of the locking jaw 12 is formed in a flat plate shape so as to be caught by the tire fixing tool 2, and the lower surface of the locking jaw has an inclined surface 12b so that the locking jaw 12 is a tire. The locking jaw 12 and the link 13 are rotated toward the center hub by the through hole 2 'of the tire fixture when descending from the top to the bottom of the fixture 2.

That is, when the locking jaw 12 is viewed from the side in the state in which the locking jaw 12 is installed in the center hub 11, the inclined surface 12b is formed on the outside of the locking jaw 12 to lock the locking jaw 12 The cross-sectional area of the structure is increased upward.

Therefore, when the locking jaw 12 passes through the through hole 2 'of the tire fixing tool, the connection part 20 is installed in the coupling hole 11a of the center hub, and the center hub 11 is pressed downward. Since the entry into the through hole 2 ', the inclined surface 12b of the locking jaw is pushed by the through hole 2' so that the locking jaw 12 is rotated to the upper side and penetrated toward the center hub 11. Pass the ball (2 ').

In addition, after passing through the through-hole (2 ') is to be unfolded again, the upper surface of the locking jaw (12) should be caught in the tire fastener (2), of course by the weight of the locking jaw 12 rotated to its original position Although it may be restored to more preferably, the locking jaw 12 is elastically retracted, it is good to resiliently unfold again.

To this end, a wire spring 14 is provided on the four links 13 connected to the central hub 11 to provide elastic restoring force.

The wire spring 14 has a larger diameter than the center hub 11 and is fitted through the four links 13 and the restoration button 15 elastically installed on the center hub.

Therefore, when the locking jaw 12 passes through the through hole 2 'of the tire fixture, the link 13 rotates upwards, and the wire spring 14 connected with the links also upwards. As it is deformed, the restoration button 15 is pressed. At this time, the restoring button 15 fitted together with the wire spring 14 is inserted into the center hub 11 while overcoming the elastic force of the spring 15a provided between the center hub 11 and the center hub 11.

Here, when the locking jaw 12 passes through the through hole 2 'of the tire fixture and the external force applied to the locking jaw 12 is released, the repulsive force of the spring 15a embedded in the restoration button 15 and the Due to the repulsive force of the wire spring 14 itself, the link 13 is rotated downward again, which causes the locking jaw 12 to be unfolded as in the initial state.

Hereinafter, the connection part 20 coupled to the locking part 10 will be described in detail.

The connecting part 20 is largely composed of a connecting rod 21 fitted into the coupling hole 11a of the central hub 11 and a connecting rod 22 extending integrally with the coupling rod and having a predetermined length.

The coupling rod 21 is a portion that is actually fitted to the coupling hole (11a) of the central hub, the coupling rod 21 may be inserted so as not to fall out of the coupling hole (11a), coupling rod 21 And joining holes 11a may be joined together as one unit.

In addition, the connecting rod 22 is installed so that the coupling rod 21 and its center line coincide, and the flange 23 for pressing the spare tire (st) is integrally formed on the upper side of the connecting rod 22.

In addition, the upper portion of the flange 23 is provided with a handle 24 to allow the user to grip.

As such, the connecting portion 20 may be configured only as described above, but more preferably, the guide cover 25 may extend in the longitudinal direction of the connecting table 22 at the lower portion of the flange 23 so as to cover the connecting table 22. It is good to be installed along.

In addition, it is preferable that an elastic spring 26 is installed between the guide cover 25 and the coupling rod 21 so that the coupling rod 21 connected to the connecting rod 22 elastically protrudes from the guide cover 25. .

Here, the thickness of the guide cover 25 is preferably configured to be smaller than or equal to the center hole of the spare tire (st).

The operation of the present invention having the above configuration will be described with reference to FIGS. 4A to 4D.

The spare tire fixing device of the present invention grasps the handle 24 of the connecting portion, and pushes the spare tire into the center hole c of the spare tire st, so that the locking jaw 12 passes through the tire fixing tool 2 as shown in FIG. 4A. To get a state of ').

In this state, when the force is applied to the handle 24 in a downward direction, the inclined surface 12b of the locking jaw slides in the through hole 2 'of the tire fixing tool, and the locking jaw 12 and the link 13 ) Rotates upward by a predetermined angle as shown in FIG. Of course, the external force of the user applied to the locking step 12 should be such that the wire spring 14 and the restoration button 15 fitted to the link 13 can be sufficiently elastically deformed.

That is, when the locking jaw 12 is pushed further into the tire fixing device 2 in the closed state so that the locking jaw 12 can pass through the through hole 2 ', as shown in FIG. 12) passes through the through hole 2 'of the tire fixing tool, and is in a state as shown in FIG. 4C.

In the same state as in FIG. 4C, the wire spring 14 and the restoration button 15, which are elastically deformed by FIG. 4B, are restored to their original positions, and the locking jaw 12 is unfolded as it is, and the locking jaw 12 The upper surface of the is fastened to the wire fastener (2), the flange 23 formed in the connecting portion is to press the upper surface of the spare tire (st) spare tire (st) is fixed to the tire fixture (2) Will not move.

On the other hand, when you want to remove the spare tire (st) from the tire fixture (2), pull up the handle 24 of the connecting portion, when pulling up the handle 24, the connecting rod 22 integral with the handle ) Pulls up the central hub 11 through the coupling rod 21.

When the center hub 11 is pulled up in a state where the locking jaw 12 is caught in the tire fixing tool 2, the locking jaw 12 and the link 13 are rotated by a predetermined angle in the downward direction. At this time, the latching jaw 12, which is extended from the center hub 11, is retracted to be in a state as shown in FIG. 4D.

When the wire spring 14 and the restore button 15 are elastically deformed again and pull the handle 24 in this state as shown in FIG. 4D, the locking jaw 12 is penetrated through the wire fixture in a reduced state. Passing through the ball (2 ') is a state as shown in Figure 4a.

That is, when the state as shown in Fig. 4A, the spare tire (st) is freed from the tire fixing tool (2), it is possible to remove the spare tire (st) from the tire fixing tool (2).

According to the spare tire fixing device for a vehicle according to the present invention as described above, it is very easy and easy to install or remove the spare tire to the tire fixture, there is a unique effect that anyone can fix or remove the spare tire without great difficulty, As in the prior art, it does not take much time to fix and remove the spare tire, and there is an advantage that the problem of fixing the spare tire to the tire fixture does not occur.

Claims (4)

In the vehicle spare tire fixing device for fixing the spare tire (st) to be mounted on the tire fastener (2) having a through hole (2 ') of a predetermined diameter is installed on the floor panel of the vehicle, A catching part 10 which is caught by the tire fixing tool 2 and contracts elastically when passing through the through hole 2 'of the tire fixing tool, and is restored to its original state after passing through the through hole 2'; It is installed perpendicular to the center of the locking portion 10, the flange 23 is formed on the upper side so that the spare tire (st) is in close contact with the locking portion 10, the upper portion of the flange 23 A spare tire fixing device for a vehicle comprising: a connection part 20 provided with a handle 24. According to claim 1, The locking portion 10 is the center of the locking portion and the center hub 11 having a coupling hole (11a) for coupling the connection portion 20, and the inside of the tire fixture (2) The upper surface is formed in a flat shape so that the upper side is caught on the side, and the lower outer surface has an inclined surface 12b, which has a structure in which the cross-sectional area is increased upward, and is divided into four by a predetermined distance from the central hub 11. (12) and a link (13) connected through a hinge pin to connect the center hub (11) and the locking jaw (12); The wire spring 14 having a larger diameter than the center hub 11 and fitted through the link 13 and the wire spring 14 are fitted to the wire spring 14 so that the wire spring 14 can be restored to an initial position. Spare tire fixing device for a vehicle, characterized in that consisting of a restore button 15 installed to be elastically inserted into the central hub (11). According to claim 1, The connecting portion 20 is coupled to the engaging rod 21 and the engaging portion 10, and extending integrally from the coupling rod 21, the flange 23 is formed on the top of the flange Spare tire fixing device for a vehicle, characterized in that consisting of a connecting rod 22 is provided with a handle (24) at the top. According to claim 3, The connecting portion 20 has a guide cover 25 for covering the connecting rod in the longitudinal direction of the connecting rod in the lower portion of the flange 23 so that the connecting table 22 penetrates, and the guide cover 25 And an elastic spring 26 installed between the coupling rod 21 and the coupling rod 21 to elastically protrude from the guide cover 25.