JP2606326Y2 - wheel - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle wheel.

[0002]

2. Description of the Related Art Generally, an automobile wheel is configured to be screwed to a hub, and as shown in FIG. 8, a plurality of bolts protruding from an outer peripheral area of the hub (H).
(8) (8) is inserted into the mounting hole (1) (1) formed in the center of the disk (2) of the vehicle wheel, and said bolt (1) protruding from said mounting hole (1) (1) 8) At the protruding end of (8), insert the nut (3)
(3) is tightened, whereby the wheel is mounted and fixed to the hub (H), and the nut is loosened with the bolts (8) and (8) by loosening the nuts (3) and (3). Removed from (H).

However, this method has a problem that the nuts (3) and (3) are easily removed because the nuts (3) and (3) are completely removed from the disk (2) when the wheel is replaced. . Alternatively, when the removed nuts (3) (3) are placed on the ground or the like, sand or dust adheres to the nuts (3) (3), and as it is, the nuts (3) (3) Since re-attachment cannot be performed smoothly, there is an inconvenience that wheel replacement cannot be performed quickly.

According to the present invention, a plurality of bolts (8) (8) provided on a hub (H) are attached to a mounting hole of a disc (2).
(1) A wheel that is attached to and fixed to the hub (H) by tightening nuts (3) and (3) that penetrate through (1) and screw with them. It is an object of the present invention to prevent the nuts (3) and (3) from being lost and to perform the replacement work quickly.

[0005]

[Technical Means] The first technical means of the present invention taken to solve the above-mentioned problem is that "the outer diameter of the nut (3) (3) is located outside the mounting holes (1) (1). The nut receiving holes (11) and (11) having a larger diameter than the nut receiving holes (11) and (1) are formed.
A projection is provided around 1), a hole having an inner diameter smaller than the outer diameter of the nut (3) (3) is formed, and the projection and the mounting hole (1) are formed.
The nut is accommodated in the nut accommodating holes (11) and (11) between (1) and the mounting holes on the outer surface side of the disk (2).
On the axis of (1), the nuts (3) and (3) are held in a paired cylindrical state and in a retaining state, and the tool corresponding portion (3a) of each nut (3) is placed on the outer surface of the disk (2). It was exposed to the ".

The above technical means works as follows.
When mounting the wheel on the hub (H), insert the bolts (8) (8) protruding from the hub (H) into the mounting holes (1) (1) formed in the disc (2), and (8) Nuts (3) and (3) are screwed into the protruding ends of (8) and tightened.

In this case, according to the present invention, the nut receiving hole (11) having a diameter larger than the outer diameter of the nuts (3) (3) is provided on the outer side of the mounting holes (1) (1) of the disk (2). ) (11), a projection is provided around the nut receiving hole (11) (11), and a hole having an inner diameter smaller than the outer diameter of the nut (3) (3) is formed,
The nut receiving hole between the protrusion and the mounting hole (1) (1)
(11) The nut is accommodated in (11). Therefore, when the nuts (3) and (3) are tightened, the nuts (3) and (3) are held by the disk (2), but the tool corresponding parts (3a)
Is exposed on the outer surface of the disc (2) as described in the technical means.
Can be fitted and mounted. Also, since the nuts (3) and (3) are loosely fitted to the disc (2) in a paired cylindrical state, the nut (3)
(3) can be tightened to the tightening position. Then, when removing the wheel, make the tool correspond to the nut (3) and remove the bolt (8). This allows the wheel to be removed from the hub (H). In addition, nut (3)
Since (3) is retained on the outer surface of the disc (2) in a retaining state, the nuts (3) and (3) are not separated from the wheel even when the wheel is removed. The second technical means of the present invention taken to solve the above-mentioned problem is that the support plate (4) is located at a position facing the opening outside the mounting holes (1) and (1).
The support plate (4) is provided with holes (40) (40) for inserting nuts (3) (3) at positions corresponding to the mounting holes (1) (1),
Adjust the outer diameter of the base end of the nut (3) (3) to the hole (40) (40).
The nuts (3) and (3) are held on the outer surface side of the disc (2) and on the axis of each of the mounting holes (1) in a paired cylindrical state and in a retaining state, The tool corresponding portion (3a) of each nut (3) is exposed on the outer surface side of the disk (2). " In this device, the support plate (4) is located at a position facing the opening outside the mounting holes (1) (1) of the disc (2).
The support plate (4) is provided with holes (40) (40) for inserting nuts (3) (3) at positions corresponding to the mounting holes (1) (1),
The outer diameter of the base end of the nut (3) (3) is adjusted to the hole (40) (40).
Is set larger than the diameter. Then, in the case of the second technical means, similarly to the first technical means, the nut () is provided on the outer surface side of the disk (2) and on the axis of each of the mounting holes (1). 3) (3) is held in a paired cylindrical state and in a retaining state. Therefore, similarly to the first technical means, the tightening tool can be engaged and mounted on the nut (3), whereby the wheel can be attached and detached.

[0008]

[Effect] Since the present invention has the above configuration, it has the following unique effects. When the wheel is removed from the hub (H), the nuts (3) and (3) are retained on the outer surface of the disc (2) so that the nuts (3) and (3) may be lost. Absent. Further, since the nuts (3) and (3) alone are not placed directly on the ground or the like, since the nuts (3) and (3) do not adhere to sand or dust, the nuts (3) Re-installation of (3) can be performed smoothly, and wheel replacement work can be performed quickly.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. [First Embodiment] The first embodiment corresponds to the invention of claim 1, and the wheel of the first embodiment includes nuts (3) and (3) as shown in FIGS. 1 and 2. A hexagonal hole on the end face as a tool corresponding part (3a)
(33) is a hexagonal-hole nut
In (2), the cylindrical pair is loosely fitted and held in an even state.

The disc (2) has mounting holes (1) (1) through which bolts (8) and (8) are inserted, and nut receiving holes (11) and (11) coaxial therewith.
Are formed at a predetermined regular pitch. The diameter of each nut receiving hole (11) is set slightly larger than the outer diameter of the nut (3), and the depth of the nut receiving hole (11) is
It is set to be deeper than the sum of the length of the bolt (8) protruding into the nut receiving hole (11) and the total length of the nut (3) when inserted in (1). As a result, the nut (3) is loosely fitted and held on the disk (2) in a paired cylindrical state.

The nut receiving hole (11) is provided on the outer surface side of the disk (2), and has a concave portion (21) for mounting and fixing a retaining ring (15) at its open end. The inner diameter of the retaining ring (15) is set smaller than the outer diameter of the nut (3) and larger than the shaft of a hexagon wrench (91) described later. Therefore, in this case, after the nut (3) is stored in the nut receiving hole (11), the retaining ring
(15) adhesively fixed to the recess (21), the retaining ring (15)
Since the inner diameter of the nut is set smaller than the outer diameter of the nut (3), the nut is retained in the nut receiving hole (11) in a retaining state. Also, nut (3) and nut receiving hole (11)
Due to the size of the nut, the nut (3) is loosely fitted into the mounting hole (11) in a certain range of a pair of cylinders (movable in the axial direction and freely rotatable).

In order to mount the wheel on the hub (H), a bolt (8) is inserted into each mounting hole (1). At this time, the depth of the nut receiving hole (11) is set to be deeper than the sum of the protruding length of the bolt (8) into the nut receiving hole (11) and the entire length of the nut (3). Therefore, a gap is formed between the nut (3) and the tip of the bolt (8). Then, when the hexagon wrench (91) is engaged with the hexagon hole (33) and each nut (3) is tightened to the bolt (8), the wheel is mounted and fixed to the hub (H) as shown in FIG. You. Conversely, when the nuts (3) are removed from the bolts (8) using the hexagon wrench (91) in this state, the wheel is removed from the hub (H) as shown in FIG.

[Second Embodiment] A second embodiment corresponds to the invention of claim 1, and in the second embodiment, a nut (3) is provided as shown in FIG. The main body (32) is a tool corresponding part (3a) having a hexagonal cross section on the outer peripheral surface. And split ring (15a)
Thereby, the nut (3) is held in the nut receiving hole (11) in a retaining state. On the other hand, disk (2) contains
As in the first embodiment, the mounting hole (1) and the nut receiving hole (1
A hole which is coaxial and continuous with 1) is formed in accordance with the bolts (8) and (8).

The nut receiving hole (11) has a diameter of the nut (3).
Is slightly larger than the outer diameter of the flange portion (31). The depth of the nut receiving hole (11) depends on the length of the bolt (8) projecting into the nut receiving hole (11) when the bolt (8) is inserted into the mounting hole (11), and the length of the flange portion. It is set deeper than the sum with the thickness of (31). The inner diameter of the split ring (15a) is larger than the outer diameter of the box (92a) of the box wrench (92) engaged with the main body (32) and the main body (32), and the flange (31) ) Is set smaller than the outside diameter.

Therefore, in this device, after the nut (3) is received in the nut receiving hole (11), the split ring (15a) is inserted into the concave groove (21a) formed at the open end of the nut receiving hole (11). When mounted and fixed, the inner diameter of the split ring (15a) is larger than the outer diameter of the main body (32) of the nut (3) and the flange (31)
Since the outer diameter of the main body (32) is set smaller than the outer diameter of the split ring (15a),
The flange (31) and the split ring (15a) are engaged.
As a result, the nut (3) is held in the nut receiving hole (11) in a retaining state.

In order to mount the wheel on the hub (H), the nuts (3) and (3) are mounted in the same manner as in the first embodiment.
Screw. When tightening the screws, tighten the nuts (3) and (3) with the box wrench (92).
(92a) through the split ring (15a)
a) Fit the outside of the body (32) of the nut (3). Nuts (3)
When the tightening of (3) is completed, the wheel is mounted and fixed to the hub (H) as shown in FIG.

In this case, the body (3) of the nut (3)
Since the outer peripheral wall of 2) is the tool corresponding part (3a), the nut
The total length of (3) can be set shorter than that of the first embodiment, and the depth of the nut receiving hole (11) is set shallow because the main body (32) passes through the split ring (15a). it can. [Third embodiment] A third embodiment shown in Fig. 5 corresponds to the invention of claim 2, and in the third embodiment, each nut (4) is fixed by a support plate (4) fixed to a wheel. 3) is kept.

The nut (3) has a flange portion (3
Hex nut with 1). The support plate
(4) is provided with a circular hole (41) slightly larger than the screw tube (25) on the tip side of the tube portion (26) of the wheel for axle insertion formed in the center of the disk (2), The support plate (4) is externally fitted to the screw tube (25), and a center cap (C) is screwed to the screw tube (25) to form a large-diameter inner side of the screw tube (25). The support plate (4) is sandwiched between the tubular portion (26) and the center cap (C). The support plate (4) has a diameter larger than the outer diameter of the main body (32) of the nut (3) at a position corresponding to the mounting holes (1) (1) formed in the disk (2). Holes (40) (40) are drilled.

The distance between the support plate (4) and the mounting holes (1), (1) is determined by the projecting length of the bolt (8) when the bolt (8) is inserted into the mounting holes (1), (1). And the thickness of the flange portion (31) is set longer than the sum, and the length of the main body portion (32) is
It is set longer than the distance between the support plate (4) and the mounting holes (1) (1). Therefore, each nut (3) is held by the support plate (4) so as to be movable in the axial direction and rotatable in a retaining state.

Then, similarly to the first embodiment, the hexagon wrench (91) is engaged with the hexagonal hole (33), and the nut (3) can be screwed and unscrewed. Fourth Embodiment A fourth embodiment shown in FIG. 6 corresponds to the invention of claim 2, and the fourth embodiment has the nuts (3) and (3) rotatably held. The supporting plate (4) is movable in the axial direction.

For this reason, the support plate (4) is movably externally fitted to the cylindrical portion (25), and the inner end face of the center cap (C) attached to the threaded end of the cylindrical portion (25). It is freely movable in the axial direction between the large-diameter cylindrical portion (26) on the base end side of the cylindrical portion (25). Further, a coil spring (49) for urging the support plate (4) outward is fitted on the large-diameter cylindrical portion (26). Each nut (3) is also held in the support plate (4) so as to be able to move in the axial direction by a fixed amount, and the nut (3) has a locking flange (34) on the head.
Are adhesively fixed.

In this case, when the wheel is not mounted, the support plate (4) is in contact with the center cap (C) by the urging force of the coil spring (49). Then, when installing the wheel, insert the bolt (8) to the disc (2).
Insert the nuts (3) into the mounting holes (1) (1) and bolts (8)
When the screw is screwed, the locking flange (34) comes into contact with the support plate (4), and as shown in FIG. 6, the support plate (4) moves inward against the urging force of the coil spring (49). Be moved. When the nut (3) is tightened, the support plate (4) moves further inward, and when the flange (31) and the outer periphery of the mounting hole (1) on the outer surface of the disc (2) come into contact with each other, the wheel Mounting and fixing to the hub (H) is completed.

In this embodiment, since the support plate (4) is movable in the axial direction, the length of the main body (32) of the nut (3) is shorter than that of the third embodiment. be able to. In this embodiment, the support plate (4) is configured to be movable in the axial direction with respect to the cylindrical portion (25), and the nut (3) is configured to be movable in the axial direction with respect to the support plate (4). Japanese nuts (3)
Needless to say, it is larger than the screwing amount. If the nut (3) is only in a relationship with the support plate (4), it must be set so that the amount of movement of the support plate (4) relative to the cylinder (25) is larger than the amount of screwing of the nut (3). Good.

[Others] The above embodiment can be modified as follows. . In the first embodiment, the nut (3) is inserted into the nut receiving hole (1).
1) A retaining ring (15) adhered and fixed to the recess (21) was used to keep it in the retaining state inside, but a split ring attached and fixed to the concave groove was adopted as in the second embodiment. May be. . In the second embodiment, the tool corresponding portion (3a) of the nut (3) is used.
The outer peripheral surface of the main body (32) of the nut (3) is formed to have a hexagonal cross section, and as shown in FIG.
3) may be formed by drilling. . In the third embodiment, a locking flange (34) may be provided at the head of the nut (3) as shown by the imaginary line in FIG. In such a case, even when the support plate (4) is removed from the screw cylinder (25), the nut (3) is retained in the support plate (4) so as not to come off.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a first embodiment.

FIG. 2 is an explanatory view showing a state in which the nut (3) is tightened to a bolt (8).

FIG. 3 is an explanatory view of a second embodiment.

FIG. 4 is an explanatory view of a state in which the nut (3) is tightened to a bolt (8).

FIG. 5 is an explanatory view of a third embodiment.

FIG. 6 is an explanatory view of a fourth embodiment.

FIG. 7 is an explanatory view of a modification of the second embodiment.

FIG. 8 is an explanatory view of a conventional example.

[Explanation of symbols]

 (1) ・ ・ ・ Mounting hole (11) ・ ・ ・ Nut receiving hole (2) ・ ・ ・ Disk (3) ・ ・ ・ Nut (4) ・ ・ ・ Support plate (40) ・ ・ ・ Hole (8)・ ・ ・ Bolt (H) ・ ・ ・ Hub

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60B 3/16 F16B 41/00

Claims (2)

(57) [Scope of request for utility model registration] A plurality of bolts (8) provided on a hub (H)
(8) is passed through the mounting holes (1) and (1) of the disk (2), and is fastened to the hub (H) by tightening the nuts (3) and (3) which are screwed into these holes. In the type of wheel,
On the outer side of the mounting holes (1) and (1), nut receiving holes (11) and (11) having a diameter larger than the outer diameter of the nuts (3) and (3) are formed. ) (11) is provided with a projection, and a hole having an inner diameter smaller than the outer diameter of the nuts (3) and (3) is formed, and the hole is provided between the projection and the mounting hole (1) (1). The nut is accommodated in the nut accommodation hole (11) (11) of the disk (2).
The nuts (3) and (3) are held in a paired cylindrical state and in a retaining state on the outer surface of the nut and on the axis of each mounting hole (1), and the tool corresponding portion (3a) of each nut (3) is held. ) The disc (2)
Exposed wheels on the outside of the wheel. 2. A plurality of bolts (8) provided on a hub (H).
(8) is passed through the mounting holes (1) and (1) of the disk (2), and is fastened to the hub (H) by tightening the nuts (3) and (3) which are screwed into these holes. In the type of wheel,
Support plate at the position facing the opening outside the mounting holes (1) and (1)
The support plate (4) is provided with holes (40) (40) for inserting the nuts (3) (3) at positions corresponding to the mounting holes (1) (1). , The outer diameter of the base end of the nut (3) (3) to the hole (40)
(40) is set larger than the diameter of the nut (3) (3) on the outer surface side of the disc (2) and on the axis of each of the mounting holes (1).
A wheel in which the tool corresponding portion (3a) of each nut (3) is exposed to the outer surface side of the disk (2).