JPS58126264A - Bracket for spare wheel - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is suitable for very large spare wheels, e.g.
The present invention relates to a spare wheel bracket which can be advantageously used even for type ones. The spare wheel bracket has two catches, the first of which is movable towards and away from the other, the catch below the spare wheel bracket and near the bracket. Due to the pivoting of the wheel, the edge of the central opening of the wheel is removably engaged with the second catch, and the opposite portion of the edge of the central opening engages the first catch. As in, they are in a mutual position.

Spare wheel brackets of this basic type are known, for example, from British Patent No. 891,171 or from Swedish Patent No. 77.
No. 10071-7, it has been known for some time. Both of these patents disclose a spare wheel bracket comprising a horizontal plate and a catch protruding from the side of the plate facing away from the centerline of the vehicle. A catch is located on the underside of the plate at the opposite edge of the plate, such that it engages the edge opposite the center opening of the wheel when the wheel is pivoted below the plate. According to the British patent, separate fastening members are used to hold the spare wheel firmly when it is suspended in this way on the two catches; A bolt is provided to securely bolt the wheel to the plate. During this operation, the hole in the wheel bolt of the spare wheel is used to accommodate the fixing bolt.

The spare wheel bracket according to the Swedish patent lacks these separate legs with bolts; instead, the protruding catch can be raised and lowered under the action of a complex linkage.

Although the spare wheel bracket described above has important advantages, it also suffers from significant disadvantages. First, the use of bolts that back through the spare wheel wheel bolt holes requires a special construction of the spare wheel bracket for each type of spare wheel. Secondly, the nuts of the bolts used to hold the reserves firmly in place are difficult to access;
Freely exposed to moisture, exhaust fumes, road salt, etc.
It has a very inconvenient tendency to rust in place even after a very short period of time.

As for the spare wheel bracket of the Swedish patent, the above-mentioned problems are admittedly eliminated, but the spare wheel bracket is nevertheless relatively difficult to operate in practice due to its complicated W construction. It turned out that. The object of the invention is therefore to realize a spare wheel bracket which can be advantageously used even for very large spare wheels and which eliminates the disadvantages inherent in the above-mentioned spare wheel brackets of the prior art.

According to the invention, these objects include a first catch projecting from the support member and arranged to engage an edge portion of the central opening of the wheel for pivoting of the wheel into a position below the support member; , a second catch part installed to engage with an edge portion on the opposite side of the center opening of the wheel at a position of the wheel below the support member, the first catch part supporting the support member via a link. a spare wheel bracket coupled to the member and pivoted to lift the wheel towards the support member, the first catch having an operating member extending through the link and coupled to the pressure arm;
The pressurizing arm rotates between the first capturing section and the operating member.
This is achieved by means of a spare wheel bracket, characterized in that it is switchable between this position and a second position in which the operating member is fixed in the swiveled position of the first catch for raising the wheel.

In a preferred embodiment of the spare wheel bracket of the present invention, the pressure arm is pivotally connected at its lower end to the operating member, and its upper end is pivotally connected to the lever protruding from the rotating shaft, and the pressure arm and the lever and form an angle with respect to each other at the first position of the pressure arm;
When the pressure arm is in its second position, the lever is! It is characterized by being oriented like an extension.

A second trapping portion movable toward and away from the first trapping portion,
In order to ensure that the spare wheel does not move unintentionally toward the first catch as if it were to fall, the vehicle ψj further preferably comprises a fixing device communicating with the second catch, which fixing device is connected to the first catch. The second position of the pressurizing arm is operable to hold the second catch in the most distal position relative to the catch.

Further advantageous features obtained by the subject matter of the invention are clear from the disclosure of claims 4 and 5.

The nature and aspects of the invention will become more apparent from the following description, which refers to the accompanying drawings.

The spare wheel placket, shown in elevation in FIG. 1, has a vertical fixation 1 and a horizontal box beam or support member 2.
extends from the fixed part. As is clear from the figures, the support member 2 serves to support the movable components of the spare wheel placket, but also serves as an abutment for the spare wheel mounted on the spare wheel placket.

The support member 2 is provided at its outer free end with a catch 3 which is rotated so as to face away from the center line of the vehicle in the position of use of the spare wheel bracket and which extends horizontally outwardly from the support member. The catching part is installed with a spare wheel rolled in the same position as one of the catching parts, for example, in a fern-like manner that can be easily lifted to the catching part with a lever, and therefore, the spare wheel is
It is suspended in a central opening of the wheel rim from a catch that supports the edge portion of the central portion of the rim. A spare wheel (not shown) suspended in this manner is such that its edge portion opposite the central opening engages a second catch 4 which is pivotally mounted on the inner portion of the support member 2. It may then simply be pivoted in the direction of arrow A, as shown in FIG.

When the spare wheel placket is in its open position (the position shown in FIG. 2), the second catch 4 is released to pivot towards the first catch, thus causing the center opening of the rim to open. The entire spare wheel therefore rests at two diametrically opposite locations in the central opening of the rim.

Furthermore, the spare wheel bracket has two horizontal arms N5 projecting from the central part of the support member, these arms having impads 6 on the underside of their skewed ends. These pads are placed in such a way that they are located immediately adjacent to the central opening through the rim and above the flat part of the rim intended for abutment against the brake F-yA. first capture unit 3;
That is, the catching section installed at the free end of the support member 2
If the rim is then lifted by pivoting from the position shown at I2H to the position shown in FIG.
The rim thereby is likewise raised and comes into contact with the underside of the two rubber pads, which are thereby compressed and the spare wheel is therefore resting on the two catches 3.4 and resting on the underside of the two rubber pads. The impad 6 provides a reliable installation force. To enable reliable fixation of the spare wheel, the distance between the vertical IkL surface 7 of the first catch and the vertical surface 8 of the rear catch 4 is equal to the inner diameter of the central entrance of the rim. Equivalent to a goose. Moreover, the upright pins 9 provided on the outer catch 3 are positioned to engage bolt holes in the rim.

In this identification position, the rim is therefore strongly biased against the two impads 6 which rest on the upper surface of the two catches 3.4 and are compressed, and the upright pins 9 pass through the bolt holes of the rim.

1vff, In the practical construction of the embodiment of the spare wheel bracket shown in FIG. 2, the support member 2 is constructed as a box beam with a roughly rectangular cross section.

Moreover, the front catch 3 is of double construction and has one shunter on each side of the support member. In a similar manner, the rear catch 4 is of double construction and has one part on each side of the support member, these two parts being at the lower end of the catch. They are connected by a cross member 1o. A similar condition prevails in the front capture part 3 and the capture wh
3 has a transverse joining part 11 at its outer end (see FIG. 3).

In this respect, of particular interest in the art is the structure of the fixing part 1 and the outer end of the support member 2. In spare wheel brackets, such as those intended for very large spare wheels of the so-called super-heavy type, a fixing 7-lunge having a center-mouth portion and firmly bolted to the brake drum is provided in the center of the rim; When the spare wheel is mounted in position, it is necessary for the rim to extend upwards a significant distance above the level of both catches 3, 4. This requires that the fixing part 1 must be placed relative to the catch 4 in such a way that it does not come into contact with the radially inner surface of the rim itself. Correspondingly, the outer end of the support member 2 is
It must be constructed in such a way that when the rim is lifted into the front catch 3 and pivoted around it, it does not infringe on the space for the necessary movement. For this reason, the support member 2
is a recess 12 forming a room for the above-mentioned part of the rim.
at the free end. Alternatively, the outer upper surface of the support member 2 may be sloped downward from the central part of the support member to the connection region between the support member and the catch 3 .

As mentioned above, both the front catch part 3 and the rear catch part 4 of the embodiment shown in FIGS. 1 to 4 are attached to the support member 2.
It consists of a double structure with one shank on each side. The rear catch 4 thus has two upwardly directed arms 13 fixed to respective sides of the support member 2 with an axis 14 passing through, so that the catch 4 thereby It is possible to turn towards and away from. The upwardly directed arm 13 has at its upper end a protruding boss 15, the purpose of which will be explained in detail below. Finally, and as mentioned above, the rear catch 4 is joined via the crosspiece 10 to form a single enit.

Also, as mentioned above, the front catch part 3 is of a double structure, with one part on each side of the support member 2. These two parts are connected by a connecting member 11. Operating arms 16 in the rearward direction extend from the front catch 3 on each side of the support member 2 and together with the front catch 3 form a rigid unit which is pivotally connected at a joint 17 to the free end of the support member 2 . As a result, the free end of the front catch part 3 can be pivoted in the stacking direction. Finally, it should be noted that the upright bins 9 may preferably be of double construction with one such bin placed on each side shank of the front catch 3, with no space between these two bins. It is only necessary to ensure that the center distance of corresponds to the center distance of the two wheel slot holes of the rim.

3 and 4 show the operating devices necessary to move the two catches 3.4 between the fixed position and the open position of the spare wheel bracket. It shows the presence of one handle 18 provided on the side of the. These handles are joined to form a rigid knit and are pivotally connected to the support member 2 by an axle 19, so that the axle 19 extends pivotably through the support member 2. The lever 20 is fixed to the shaft 19 in its central part and is connected via a link 21 to a pressure arm 22 which passes through a slit-shaped opening 23 in the lower limiting wall of the support member 2 . The pressurizing arm 22 is the operating arm 1
The lower end has an elongated groove 24 into which a shaft 25 fixed to both rear ends of the shaft 6 fits. When the handle 18 is raised from the position shown in FIG. 3 to the position shown in FIG. , which provides the possibility of clockwise pivoting of the front catch 3 and the operating arm 16 fixed thereto.

This clockwise pivoting of the catch 3 is usually carried out in practice by the action of a spare wheel at the outer end of the catch. The handle 18 has a curved portion 26 which comes to abut the two protruding bosses 15 of the rear catch 4 when it is then pivoted a further distance counterclockwise from the position shown in 4g:i. are doing. As a result, the rear catch 4 is actuated to perform a counterclockwise pivoting movement, so that the lower end of the catch is displaced in the direction of the front catch 3. The rear catching section 4 is
It may suitably be spring biased to counteract this counterclockwise pivoting.

If the outer catch 3 is loaded with a spare wheel, the outer catch 3 and the operating arm 16 will pivot to the position shown in FIG. 2 when the spare wheel bracket is in the position shown in FIG. be done. Next, when the spare wheel is pivoted below the spare wheel bracket, the edge part of the rim comes into contact with the abutment surface 27 of the rear catch 4, so that the catch 4
It is pivoted towards the front catch and thereby pivoted under the edge portion of the central opening of the rim. During the next clockwise rotation of the handle 18, the lever 20 is similarly rotated in the same direction, so that the pressure arm 22 is lowered and biases the operating arm 16 in a downward direction, thus The front catch 3 is then raised.

The turning range of the handle 1B and the lever 20 is such that the joint 21 passes a short distance beyond the straight line between the link 19 and the shaft 25 at the final stage of the turning movement. The position shown in Figure 3 is selected. As a result, fixation of the elbow joint is achieved with the result that very large compressive forces in the longitudinal direction of the pressure arm 22 can be resisted without any appreciable torque being applied to the handle 18. Moreover, this torque is directed in the opposite direction to that required to open the spare wheel bracket. A suitably positioned abutment is provided so as to prevent the handle 1B from being pivoted too far clockwise under the action of the load.

In order to prevent the reserve wheel from being unintentionally turned so as to release the reserve wheel when it rests on the rear catch part 4, the present invention also includes a safety mechanism against the unintentional turn. do. Accordingly, a fixed bin 28, which faces the rear catch and projects rearward, is provided on the pressure arm 22 and, in one fixed position of the spare wheel placket, is poled (located adjacent to or Since the pressurizing arm 22 is prevented from pivoting toward the front catching section 3, the rear catching section 4
This also prevents the vehicle from turning in this direction.
When the spare wheel placket is opened to the position shown in FIG. It is also raised and rotated to a position where it cannot engage with the material 10.

5 and 6 show, in cross section, a modified embodiment of the spare wheel bracket of the present invention. In this embodiment, the rear catch 4 is installed inside the support member 2 and its upwardly directed arm 13 is pivoted on an axis 14 . The arm 13 in the upward direction extends through the shaft 14 into the region of the upper limiting wall of the support member 2 .

In an advantageous embodiment of this embodiment, the rear catch may of course be of the same construction as that described with reference to FIGS. 1 to 4, but the arms 13 in the upward direction are , fixed to the shaft 14, the lever in the upward direction is provided fixed to the central part of said shaft, and therefore above the shaft 14 of the shaft 13 in the upward direction shown in FIGS. Corresponds to the extending part.

The structure of the front capture part 3, the operating arm 16 and the pressurizing arm 22 corresponds to that described above, as well as the linkage between each other and the support member. On the other hand, the lever 20, which can be pivoted together with the handle 1B, is configured in a slightly different manner. The lever therefore has an axis 19 as its center and comprises two protruding hooks 29, 30 forming between them a curved groove 31 which curves in the shape of an arc. The short shafts 3 and 2 are curved grooves 31
located displaceably in one, preferably two, link arms 33 which are connected at their opposite ends with a joint 34 to the upper end of the arm 13 in the upward direction of the rear catch 4. be done.

FIG. 5 shows the spare wheel bracket in a fixed state. In this position, the lever 20 extends downwardly and urges the pressure arm 22 in exactly the same direction as described above. Moreover, the rear hook 29 is positioned in engagement with the short shaft 32, thereby causing rearward displacement of the link arm 33 and the upper end of the rear catch 4;
Unfortunately, displacement to the left in the diagram becomes impossible. As a result, the rear catching portion 4 is effectively prevented from being unintentionally turned out of engagement with the spare wheel mounted on the spare wheel placket. This fixation of the rear catch is particularly effective, since the pressure arm 22 and the louver 20 act together as a fixation of the elbow joint and try to move the mechanism in the fixation direction under increasing loads. It is. When the handle 18 is pivoted counterclockwise to open the spare wheel placket,
The lever 20, the pressure arm 22 and the operating arm 16, together with the front catch 3, are moved completely as described above. On top of that,
The short shaft 32 slides in the curved groove 31 until it strikes the front hook 30 as shown in FIG. In this position, the front catch 3 can be considered to be completely released, as if pivoted in a downward direction. Upon further pivoting of the handle 18 in the counterclockwise direction, the engagement between the short shaft 32 and the hook 30 is caused by the rear catch 4
counterclockwise pivoting, thereby releasing the engagement of the catch with the rim of the spare wheel, and the spare wheel pivots downward into a hanging position on the front catch 3.

In order to prevent unintentional release of the rear catch 4, it is also possible to provide the operating arm 16 with a rearwardly projecting projection which engages the cross member 10 of the rear catch 4 in the fixed position of the spare wheel bracket. . Moreover, in this embodiment, the groove 24 of the pressure arm 22
is closed at its lower end and is shorter than shown in the drawings. This ensures that the operating arm 16 is lifted up when the handle 18 is swung counterclockwise, so that the projection projecting rearward from the operating arm can quickly reach the cross member 10 of the rear catch 4. or raised to a raised position that does not engage.

The projecting projection is therefore located above the crosspiece, which entails that the rear catch is released so as to perform a pivoting movement.

The invention should not be seen as being limited to what has been illustrated above, and many modifications may be made without departing from the scope and spirit of the claims.

[Brief explanation of the drawing]

FIG. 1 is an elevational view of the spare wheel bracket of the present invention when the spare wheel bracket is in a fixed position, ie, in a position that reliably holds the spare wheel; FIG. A corresponding view of the bracket when it is in the open position and the spare wheel is removed, FIG. 3 is a sectional view corresponding to FIG. 1 of the same spare wheel bracket, and FIG. 4 is the same as FIG. 2. 5 is a sectional view of a modified embodiment of the invention in a position corresponding to that in FIG. 1; FIG. 6 is a sectional view corresponding to the position in FIG. 4; Figure 3 shows a sectional view of the spare wheel bracket as above in position. 2--Support member 3...1 to 1 catching section 4...second catching section 14...shaft 16 of the second catching section--operating arm 17...shaft 19 of the first catching section...・Lever shaft 20 - Lever 22 - Pressure arm 28 ... Fixed bottle 29 ... Hook 33 ... Link arm agent Akira Asamura 4 people procedure amendment (method) March 1958 Mon-Sun, Mr. Commissioner of the Japan Patent Office 1, Indication of the Case Showa J2 Patent Application Nos. 72 and 25? No. 2, name of the invention AIf 1! 91" What γF 3. Relationship with the case of the person making the amendment. Address of the patent applicant: 4. Agent: 5. Date of the amendment order. Showa J? Year 6. Number of inventions increased by the amendment. 7. Amendment. Target of

Claims (5)

[Claims] (1) A first catch part protruding from the support member, and the catch part is installed so as to engage with the edge of the center opening of the wheel in order to pivot the wheel to a position below the support member. is,
Further, an m-th catch is installed to engage an edge portion of the wheel opposite to the central opening at a position of the wheel below the support member, the first catch being a link A spare wheel bracket is coupled to the support member through the support member and is pivotable to face the support member and lift the wheel. The first catch has a manipulating part extending beyond the link, the manipulating part being in a first position for pivoting the first catch and the manipulating part, and a manipulating part for lifting the wheel. 1st
A spare wheel desynchronizer connected to a pressure arm switchable between a pivoted position of the catch and a second position fixing the operating part. (2) The pressure arm is pivotally connected at its lower end to the operating portion, and its upper end is pivotally connected to a lever protruding from the rotating shaft, and the pressure arm and the lever are connected to each other. Claim 1, wherein in a first position the pressure arm forms an angle with respect to one another, and in its 82 position the pressure arm is oriented like an extension of the lever.
Spare wheel bracket as described in section @ (3) The second catching part is movable toward and away from the first catching part, and further comprises a main fixing device related to the second catching part, and the fixing device is configured to move toward and away from the first catching part. Claim 2, wherein the pressure arm is operable at position #I2 to hold the second catch at a position most distal from the catch.
Spare wheel bracket as described in section. (4) The spare wheel bracket according to claim 3, wherein the fixing device has a protrusion that is fixed to the pressure arm or the operating part and directed toward the second catch. (5) The m-th catching portion has a shaft that is held by the supporting member, and II! The shaft has an extension beyond the joint, which extension engages via a linkage a locking projection located on the lever, the locking projection being connected to the first part of the pressure arm. 7. The spare wheel bracket according to claim 6, wherein the spare wheel bracket is provided to prevent the second MI catching part from turning in two positions.