KR20040091223A - A snow chain-device - Google Patents

Abstract

PURPOSE: A snow chain device is provided to prevent tires of a vehicle from slipping on snowy or frozen roads in the winter season, to easily install and dismantle without moving the vehicle, to shorten installation and dismantlement time, and to reduce noise generated in traveling. CONSTITUTION: A snow chain device comprises an operating plate arranged in the outer center of a tire(10) and composed of a plurality of entrance passages arranged around the peripheral part to face toward the center; a plurality of friction members(30) having one end supported by a vehicle body-correspondent surface(11) of the tire and the other end arranged at the outside of the tire corresponding to the opposite side of the vehicle body-correspondent surface with crossing an outer peripheral surface in the width direction of the tire, and frictionizing with the ground in rotating the tire; a plurality of entrance members(35) connected with the other ends of the friction members and disposed to go into the entrance passages of the operating plate; a forcible-inserting unit(40) installed on the operating plate to insert forcibly the entrance members into the operating plate to press the outside of the tire with the friction members; and a holding/releasing unit for holding and releasing a state that the entrance member is fitted into the operating plate by the forcible-inserting unit.

Description

Snow chain device {A snow chain-device}

The present invention relates to a snow chain device, and more particularly, it can be installed and dismantled without moving the vehicle, while preventing the vehicle tires from skidding on snow roads or ice roads in winter. The present invention relates to a snow chain device that can shorten the time taken for installation and disassembly, to significantly reduce noise generated while driving, and to mount and disassemble women and the elderly.

In general, the vehicle snow chain is a mechanism for wrapping the surface of the tire to prevent the tire of the vehicle to slip on the snow road during the winter vehicle driving.

Conventional vehicle snow chains used by most vehicle drivers use a chain type.

The chain serves to prevent the tires of the vehicle from slipping on the road surface as snow is accumulated on the road surface in winter and the vehicle is driven after wrapping the surface of the wheel, that is, the tire, when the road surface is slippery.

That is, by operating the vehicle with the snow chain unfolded on the road surface, the tire of the vehicle is placed on the top surface of the snow chain, the snow chain is wrapped around the entire surface of the tire, and then the snow chain is fixed so as not to loosen. Tighten.

Then, when the vehicle runs, when the snow is piled up on the road or when the accumulated snow is frozen and the road is icy, the vehicle runs smoothly on a slippery road surface by a snow chain wrapped on the tire surface. do.

However, the snow chain according to the prior art has the following problems.

First, in the prior art, the installation of the snow chain was inconvenient because the installation was possible only by moving the vehicle so that the snow chain was laid on the tire to install the tire.

Second, since the chain chain according to the prior art is made of metal, noise generated by the chain itself during vehicle operation and noise caused by contact between the snow chain and the road surface of the metal material are generated and vibration is generated. Inducing a deterioration of the riding comfort of the driver or the occupant, there was also a problem that the driver or passenger easily feel tired.

The present invention was devised to solve the above problems, and can be installed and disassembled without moving the vehicle, while preventing the vehicle tires from slipping on the snowy road or ice road during the winter vehicle operation, It is an object of the present invention to provide a snow chain device that can shorten the time required for installation and disassembly, to significantly reduce noise generated while driving, and to mount and disassemble women and the elderly.

1 is a perspective view showing a state in which the present invention is installed on a tire.

Figure 2 is an exploded perspective view illustrating the appearance of a snow chain device according to the present invention.

3 and 4 is an operating state diagram showing an operating state of the snow chain device according to the present invention.

Figure 5 is a perspective view showing the main portion of the snow chain apparatus according to the present invention.

6 to 9 show the operating state of the present invention.

10 to 12 show another embodiment of the present invention.

13 and 14 show yet another embodiment of the present invention.

16 and 17 illustrate another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10: tire

11: body corresponding surface

12: outer side

20: working plate

20a: access road

30: friction member

35: access member

40: forced entry means

41: rotating member

41a: winding part

41b: protrusion

41c: groove

42: chain member

43: handle

44: insertion hole

50: maintenance / release means

51: locking member

52: locking groove

53: locking protrusion

53: key member

55: pressurizing means

60: contact holding means

61: installation groove

62: closed wall

63: tension spring

70: auxiliary drawing means

71: hinge part

72: torsion spring

80: channel

81: storage

84: rod member

85: friction member

86: auxiliary friction member

Snow chain device according to the present invention for achieving the above object, the operation plate is disposed in the outer center of the tire, the plurality of access paths formed toward the center of the edge portion; One end is supported on the body corresponding surface of the tire, and the other end is disposed on the outer surface of the tire corresponding to the opposite side of the body corresponding surface across the outer circumferential surface in the tire width direction to friction with the ground when the tire is rotated. A plurality of friction members; A plurality of access members connected to the other end of the friction member and installed in and out of the access path of the operation plate; A force introduction means installed in the operation plate and forcibly introducing the access member into the operation plate such that the friction member presses the outer surface of the tire; It characterized in that it comprises a retaining / releasing means for maintaining the release state and the release of the access member into the interior of the operating plate by the forced inlet means.

Hereinafter, a preferred embodiment of a snow chain device according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view illustrating a state in which the present invention is installed on a tire, and FIG. 2 is an exploded perspective view illustrating an exploded appearance of a snow chain device according to the present invention, and FIGS. 3 and 4 are operating states of a snow chain device according to the present invention. 5 is a perspective view showing the main part of the snow chain device according to the present invention, Figures 6 to 9 is a view showing the operating state of the present invention, Figures 10 to 13 is another of the present invention It is a figure which shows an Example.

As shown, the snow chain device according to the present invention is largely the operating plate 20, the friction member 30, the entrance member 35, the forced retracting means 40, the holding / release means 50 It is made, including.

The operation plate 20 is disposed at the outer center of the tire 10, and a plurality of access paths 20a are formed at the edges toward the center.

In the present invention has been shown taking an example of forming the four access roads (20a).

Here, the operation plate 20 is coupled to the left and right separation plates 21 and 22 separated from each other by overlapping each other.

Here, the means for coupling the left and right separation plates 21 and 22 with each other, although not shown separately in the drawings, fastening bolts and nuts may be used.

Here, reference numerals 21a and 21 are fastening holes formed in the left and right separation plates 21 and 22 to insert the fastening bolts.

A plurality of friction members 30 are provided, one end of which is supported by the body corresponding surface 11 of the tire 10, and the other end of which corresponds to the body corresponding surface across the outer circumferential surface of the tire 10 in the width direction. It is disposed on the outer surface of the tire 10 corresponding to the opposite side of the (11) is rubbed with the ground when the tire 10 is rotated.

On the outer surface of the friction member 30, the friction protrusions 31 are provided in an arbitrary shape and any arrangement.

Here, the friction member 30 may be provided with four pairs of three in number as shown in FIG.

In addition, the number and arrangement interval of the friction member 30 can be variously changed and implemented.

The access member 35 is connected to the other end of the friction member 30, and installed in and out of the access path 20a of the operation plate 20.

The forced introduction means 40 is installed on the operation plate 20, and the access member 35 is moved inside the operation plate 20 so that the friction member 30 presses the outer surface of the tire 10. To force the entry.

The detailed configuration of the forced inlet means 40 is as follows.

The configuration includes a chain member 42, a rotating member 41, and a handle 43.

The chain member 42 is connected to each end of the plurality of access members 35 and has a predetermined length.

The rotating member 41 is rotatably installed in the center of the operating plate 20, and a winding portion 41a in which an end of the chain member 42 is fixed and wound on an outer circumferential surface thereof, and the winding portion 41a. And a protrusion 41b having a square groove 41c to be exposed at the outer surface of the operating plate 20.

The handle 43 has an insertion hole 44 inserted into the rectangular groove 41c of the protrusion 41b to rotate the rotating member 41.

Here, of course, the handle 43 may use a torque wrench in addition to the shape shown in the drawing.

On the other hand, the retaining / releasing means 50 serves to maintain and release the state in which the access member 35 is drawn into the operating plate 20 by the forced inlet means (40).

The holding / release means 50 having the same role as described above includes a locking member 51, a key member 53, and a pressing means 55.

The locking member 51 is installed in the forced inlet means 40, the locking groove 52 and the locking projection 53 is formed in a sawtooth shape formed in a circular arrangement alternately.

The key member 53 is rotatably installed inside the operating plate 20 via a hinge, and the end portion is inserted / detached into the locking groove 52 of the locking member 51 so that the forced insertion means ( 40) to stop / release the drive.

The pressing means 55 serves to externally force the key member 53 to be inserted into the locking groove 52.

In addition, the release rod 25 includes a release rod 25 protruding from the key member 53 through the release hole 24 formed on the front surface of the operation plate 20.

The release rod 25 is used when the friction member 30 is removed from the tire 10.

Here, when the locking member 51 is rotated in one direction, the end of the key member 53 is inserted into the locking groove 52 of the locking member 51, the reaction force of the neighboring locking projection 53 The key member 53 and the locking groove 52 is coupled so that the key member 53 is released from the locking groove 52 while being compressed while pressing the pressing means 55.

That is, the end of the key member 53 is formed to be rounded.

The pressing means 55 uses a "∪" shaped leaf spring.

Here, the combination of the key member 53 and the locking groove 52 may be implemented in a shape as shown in FIGS. 13 and 14 without the same as the above-described embodiment.

13 and 14, as described above, the end of the key member 53 is angled, and the end of the rocking protrusion 51 adjacent to the locking groove 52 is angled to the friction member 30. After completing the installation work of, the key member 53 is to be supported by the locking groove 52 so that the rotating member 41 is not rotated in the counterclockwise direction.

On the other hand, when the key member 53 is to be separated from the locking groove 52, the release rod 25 is operated to rotate the key member 53 counterclockwise as shown in FIG.

In the exemplary embodiment of the present invention configured as described above, when the tire 10 is punctured, the entrance member 35 is further introduced into the access path 20a so that the friction member 30 of the tire 10 is removed. It may further include a contact holding means 60 to be in contact with the surface.

The contact holding means 60, the installation groove 61 of a predetermined depth is formed at the end of the access member 35, one end of the tension spring (63) on the closing wall 62 of the installation groove (61) Is connected, the other end of the tension spring 63 is configured to be connected to the end of the chain member 42, when the tire is punctured by the tension force of the tension spring 63 to the entrance member 35 a predetermined depth The friction member 30 is further adhered to the surface of the tire 10 by further drawing into the access path 20a.

In addition, in the embodiment of the present invention described above, when the friction member 30 is removed from the tire 10, an auxiliary force is applied to assist the external member 35 to be withdrawn from the access path 20a. It may further include a withdrawal means (70).

The auxiliary drawing means 70, the hinge portion 71 is installed inside the operating plate 20 adjacent to the plurality of access members 35, one end is supported by the access member 35, the other end is The torsion spring 72 is supported by the operating plate 20 and supported by the hinge portion 71.

On the other hand, the present invention, as shown in Figure 2, the friction member 30 and the access member 35 can be installed integrally connected to each other.

As shown in FIG. 10, the friction member 30 and the access member 35 are installed to be separated from each other via the coupling pin 33, and the friction members 30 having different types as necessary. By selectively connecting to the access member 35 is to be installed to be selected elastically according to the type of the tire (10).

In addition to the embodiment of the present invention described above, as shown in FIG. 11, the friction member 30 and the other friction member 30 adjacent to each other are provided to the auxiliary friction member 86 which surrounds a part of the outer surface of the tire 10. By being connected by this, an increased friction force with the ground can be obtained.

The upper surface of the auxiliary friction member 86 is provided with a friction projection (86a) protruding in an arbitrary shape and arrangement.

The operation of installing the present invention configured as described above in the tire will be described first.

First, the operation plate 20 is disposed at the front center of the tire 10, and then a plurality of friction members 30 are installed to cover the outer surface of the tire 10.

In this case, the end of the friction member 30 is supported by the vehicle body corresponding surface 11 of the tire 10.

That is, the operation of mounting all of the friction member 30 on the outer surface of the tie 10 is completed.

Thereafter, the insertion port 44 of the handle 43 is inserted into the square groove 41c formed in the protrusion 41b constituting the forced inlet 40.

Next, when the operator rotates the handle 43 in the clockwise direction, as shown in Figs. 3 and 6, the rotating member 41 is rotated in the clockwise direction.

In this case, as shown in FIG. 7, the key member 54 is in a state in which the key member 54 is detached from the locking groove 52.

That is, the key member 54 is released from the locking groove 52 by an external force applied by the locking protrusion 53 adjacent to the locking groove 52.

Therefore, the worker repeatedly performs the above operation while turning the handle 43.

Then, when the rotating member 41 is rotated in the clockwise direction, as shown in Figure 4, the chain member 42 is wound around the outer peripheral surface of the winding portion 41a constituting the rotating member 41 by a predetermined length do.

When the chain member 42 is wound as described above, the access member 35 is introduced into the access path 20a of the operation plate 20, and furthermore, the friction member 30 is pulled out. .

When the friction member 30 is pulled as described above, eventually the outer surface of the tire 10 is pressed, the mounting of the friction member 30 is completed.

Therefore, according to the present invention, since the vehicle does not necessarily have to be moved to be installed on the tire as in the prior art, the work can be performed quickly and conveniently.

The description thus far describes the process of installing the apparatus of the present invention.

Hereinafter, the decomposition operation of the present invention will be described.

First, when the operator rotates the release rod 25 protruding through the release hole 24 opened in the front of the operating plate 20 counterclockwise from the state of FIG. 8 to the state of FIG. 9, the pressing means 55. While pressing the key member 53 is also rotated counterclockwise together.

As a result, the key member 53 is separated from the locking groove 52.

After that, if the worker holds the release rod 25 for a predetermined time to maintain the above state, the chain member 42 wound around the winding portion 41a constituting the rotating member 41 is released and the access member is released. 35 is withdrawn from the access path 20a.

At this time, the auxiliary drawing means 70 is also operated in the same state as in FIG. 3 to 4, so that the access member 35 is easily drawn out from the access path 20a, and eventually the friction member 30 is the tire 10. Spaced apart from the outer surface of the.

Finally, the operator may remove the friction member 30 to the outer surface of the tire 10.

In addition to the embodiments of the present invention described above, as shown in FIGS. 15 and 16, the rear surface of the operation plate 20 corresponding to the front surface of the tire 10 has an arch-shaped guide hole 90 formed therethrough. do.

The fixing hole 91 protruding from the rear surface of the rotating member 41 is inserted into the guide hole 90.

A nut 92 is coupled to the end of the fixing pin 91.

Here, the reason why the guide hole 90 and the fixing pin 91 is provided separately is that the access member 35 is always in and out of the operation plate 20 in preparation for the case where the diameter of the tire 10 is small. To be pre-introduced into.

That is, FIG. 15 illustrates a case where the fixing pin 91 is positioned when the tire 10 is in a large diameter.

And FIG. 16 is a case where the position of the fixing pin 91 is moved in the guide hole 90 in case the diameter of the tire 10 is small.

In this case, the chain member 42 is in a state in which a predetermined length is wound around the winding portion constituting the rotating member 41, and the access member 35 is in a state in which the length is drawn into the operating plate 20.

Therefore, when switching to a state as shown in FIG. 16, the chain apparatus of the present invention can be fixedly used whenever the diameter of the tire 10 is small.

And, although not shown separately on the drawing, in the state in which the fixing pin 91 is fixed, the rotating member 41 should always be configured to be connected to rotate separately from the fixing pin (91).

That is, it is provided with a separate support member (not shown) provided with a fixing pin 91, it is configured to be mounted so that the rotating member 41 is rotatable to the support member.

As described above, according to the present invention, it is possible to install and disassemble without moving the vehicle, while preventing the vehicle tires from slipping on snow roads or ice roads during the winter vehicle operation, the installation and disassembly It can shorten the time it takes, significantly reduce the noise generated while driving, and also allow women and the elderly to mount and disassemble.

Claims (12)

An operation plate 20 disposed at an outer center of the tire 10 and having a plurality of entrances and exits 20a toward the center thereof; One end is supported on the vehicle body corresponding surface 11 of the tire 10, and the other end is opposite the vehicle body corresponding surface 11 across the outer circumferential surface in the width direction of the tire 10. A plurality of friction members 30 disposed on an outer surface of the tire and friction with the ground when the tire 10 is rotated; A plurality of access members 35 connected to the other end of the friction member 30 and installed in and out of the access path 20a of the operation plate 20; Forced inlet means installed in the operating plate 20, forcibly pulling the access member 35 into the operating plate 20 so that the friction member 30 presses the outer surface of the tire 10. 40; Snow chain, characterized in that it comprises a retaining / releasing means (50) to maintain and release the entry member 35 into the interior of the operating plate 20 by the forced inlet means (40) Device. The method of claim 1, The forced introduction means 40, A chain member 42 having a predetermined length connected to each end of the plurality of access members 35; It is rotatably installed in the center of the operation plate 20 and is formed on one side of the winding portion 41a and the winding portion 41a which is fixed by winding the end of the chain member 42 on an outer circumferential surface thereof. A rotating member (41) including a projection (41b) having a square groove (41c) to be exposed to the outer surface of the operating plate (20); Snow chain device, characterized in that it comprises a handle (43) for rotating the rotating member (41) having an insertion hole (44) inserted into the rectangular groove (41c) of the projection (41b). The method of claim 1, The holding / release means 50, A serrated locking member (51) installed in the forced inlet means (40), the locking groove (52) and the locking protrusion (53) alternately arranged in a circular shape; It is rotatably installed inside the operating plate 20 via a hinge, and the end of the locking groove 52 of the locking member 51 is inserted / detached so that the driving of the forced inlet means 40 stops / A key member 53 for releasing; Pressing means (55) for applying an external force so that the key member (53) is inserted into the locking groove (52); Snow chain device characterized in that it comprises a release rod (25) protruding from the key member (53) through the release hole (24) formed on the front of the operation plate (20). The method of claim 3, wherein When the locking member 51 is rotated in one direction, the end of the key member 53 is inserted into the locking groove 52 of the locking member 51 and then, by the reaction force of the neighboring locking protrusion 53. Snow key device, characterized in that the key member (53) and the locking groove (52) is coupled so that the key member (53) is released from the locking groove (52) while compressing the pressing means (55). The method of claim 4, wherein The pressing means (55) is a snow chain device, characterized in that the "spring" shaped leaf spring. The method according to any one of claims 1 to 5, Contact holding means for further introducing the access member 35 into the access path 20a by a predetermined depth when the tire 10 is punctured so that the friction member 30 is in contact with the surface of the tire 10; Snow chain device, characterized in that it further comprises 60). The method of claim 6, The contact holding means 60, At the end of the access member 35, an installation groove 61 of a predetermined depth is formed, One end of the tension spring 63 is connected to the closing wall 62 of the installation groove 61, The other end of the tension spring 63 is connected to the end of the chain member 42, When the tire is punctured, the friction member 30 is adhered to the surface of the tire 10 by further drawing the access member 35 into the access path 20a by a tensile force of the tension spring 63. Snow chain device characterized in that. The method of claim 7, wherein When the friction member 30 is removed from the tire 10, the access member 35 further includes an auxiliary drawing means 70 for applying an external force to assist the withdrawal from the access path (20a). Snow chain device characterized in that. The method of claim 8, The auxiliary drawing means 70, A hinge part 71 installed inside the operation plate 20 adjacent to the plurality of access members 35; One end is touched by the access member (35), the other end is supported by the operating plate 20, the snow chain device, characterized in that consisting of a torsion spring (72) supported by the hinge portion (71). The method of claim 1, Snow chain device, characterized in that the friction member 30 and the access member 35 is integrally connected to each other. The method of claim 1, The friction member 30 and the access member 35 is installed so as to be separated from each other, the snow, characterized in that selectively connecting the friction member 30 is different from each other, if necessary, to the access member 35. Chain device. The method of claim 1, The friction member 30 and the other friction member 30 adjacent to each other is characterized in that the snow chain device is connected by an auxiliary friction member (86) surrounding each other the outer surface of the tire (10).