JP2003326910A - Caster stopper - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To prevent a worker from lifting a target object and to easily and safely mount wheels of casters for moving the target object to stop the movement of the target object. To provide a caster stopper capable of SOLUTION: A wheel mounting portion 24 for mounting and holding a wheel, a projection 26 formed around the wheel mounting portion 24 to prevent the wheel from coming out of the wheel mounting portion 24, and a projection 2
6, a stopper body 20 having a notch 28 for introducing and mounting the wheel on the wheel mounting part 24 while running the wheel, and a stopper body capable of opening and closing the notch 28 of the protrusion 26. And an opening and closing operation member 30 for closing the cutout portion 28 in a state where the wheel is mounted on the wheel mounting portion 24 and held.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a caster stopper for stopping the movement of a holding object by mounting wheels of casters attached to the holding object for moving the holding object.

[0002]

2. Description of the Related Art As an object to be held, for example, a so-called television stand for mounting a television receiver will be exemplified. A television receiver is mounted on this TV stand. This TV stand is a caster 1004 for moving as shown in FIG.
have. As shown in FIG. 10, the TV stand 1
A caster 1004 is attached to the lower part of the 000, and the caster 1004 has wheels 1006. The caster 1004 is also called a moving wheel structure device, and the caster 1004 is the TV stand 1.
The wheel 1006 of the caster 1004 is fixed to the caster stopper 1 to prevent the television stand 1000 from easily moving after the 000 is moved to the final destination.
I am trying to put it on 010.

A caster stopper 1010 shown in FIGS. 10 and 11 is a so-called saucer type structure, and has a recessed seat portion 1014 and a circumferential projection 1016 around the recessed seat portion 1014. The caster stopper 1010 has a circular shape,
A concave seat portion 1014 is formed inside the circumferential protrusion 1016. As shown in FIG. 10, caster stopper 1010
Is placed on the floor 1020, the caster 10
The No. 04 wheel 1006 is mounted so as to fall into the concave seat portion 1014. The wheel 1006 tries to roll out by the external force 1030 after installation, but the wheel 1
When 006 touches the circumferential protrusion 1016, the circumferential protrusion 1
A component force 1040 for riding 016 is generated. For this component force 1040, the weight of the TV stand 1000 is 1
If 050 is large, the wheel 1006 is
I can't get over 16.

The caster stopper 1010 itself has a frictional resistance force (contact resistance force) 107 with respect to the contact surface 1060 with the floor surface 1020 due to the weight 1050 of the television stand 1000 via the caster 1004.
0 occurs, and this frictional resistance force 1070 is the external force 103.
Motion is constrained to compete with 0. Due to these effects, the TV stand 1000 does not easily move after installation.

[0005]

However, when such a conventional caster stopper 1010 is used, as shown in FIG.
The following problems occur as shown in FIG. That is, when the TV stand 1000 is installed, the TV stand 1
000 itself is lifted by the worker and caster 1004
It is necessary to drop the wheel 1006 of the wheel 1006 into the recessed seat portion 1014. Also, during this work, the caster stopper 101
It is necessary for the operator to firmly press and fix the caster stopper 1010 so that the 0 itself does not move and run away, and the work is troublesome and it is not always possible to work safely. is there. Moreover, since the casters 1004 are provided at, for example, the four corners of the TV stand 1000, the work is complicated. Therefore, the present invention solves the above-described problems, and the operator does not need to lift the holding object, and the wheels of the casters for moving the holding object can be easily and safely placed to stop the movement of the holding object. The purpose is to provide a caster stopper that can be used.

[0006]

According to a first aspect of the present invention, there is provided a caster for stopping movement of the holding object by mounting wheels of casters attached to the holding object for moving the holding object. In the stopper, a wheel mounting portion for mounting and holding the wheel, a projection portion formed around the wheel mounting portion for preventing the wheel from coming out of the wheel mounting portion, and a projection portion formed on the projection portion. A stopper body having a notch for introducing the wheel into the wheel mounting portion and mounting the wheel while the wheel is running,
An opening / closing operation member that is assembled to the stopper body so that the cutout portion of the protrusion can be opened and closed, and that closes the cutout portion while holding the wheel mounted on the wheel mounting portion.

In the first aspect, the stopper body has the wheel mounting portion, the protrusion portion, and the notch portion. The wheel mounting portion is a portion for mounting and holding a wheel. The protrusion is
Formed around the wheel mount to prevent the wheel from exiting the wheel mount. The cutout portion is a portion formed on the protrusion for introducing and mounting the wheel on the wheel mounting portion while the wheel travels. The opening / closing operation member is assembled to the stopper body so that the notch portion of the protrusion can be opened and closed, and the opening / closing operation member can close the notch portion while the wheel is mounted on the wheel mounting portion and held. .

Thus, the wheels of the caster can be easily placed and held on the wheel mounting portion by introducing the wheels into the wheel mounting portion through the notches and mounting the wheels. Then, the wheel mounted on the wheel mounting portion is prevented from coming out of the wheel mounting portion by the protrusion. Since the notch of the stopper body can be closed by operating the opening / closing operation member after the wheel is mounted on the wheel mounting part and held, the wheel may come out from the wheel mounting part through the notch. There is no In this way, by using the caster stopper of the present invention, it is not necessary for the operator to lift the object to be held and the object to be held can be simply moved to place the wheels of the caster on the wheel mounting portion. The movement of the object to be held can be reliably and safely restrained by.

According to a second aspect of the present invention, in the caster stopper according to the first aspect, the protrusion is formed in a circumferential shape so as to protrude around the wheel mounting portion, and the stopper body is the stopper body. An introduction slope for connecting the wheel mounting portion and the wheel mounting portion to guide the wheel from the surface mounting the stopper body to the wheel mounting portion is provided at a position corresponding to the cutout portion.

In the second aspect, the protrusion is formed in a circumferential shape so as to protrude around the wheel mounting portion. The introduction slope of the stopper body is for connecting the surface on which the stopper body is placed and the wheel mounting portion to guide the wheel from the surface on which the stopper body is placed to the wheel mounting portion. The introduction slope is formed at a position corresponding to the cutout portion. By doing so, the wheel can pass through the notch portion through the introduction slope, and the wheel can be easily and securely placed on the wheel mounting portion safely.

According to a third aspect of the present invention, in the caster stopper according to the first aspect, the opening / closing operation member is rotatably assembled so as to face the protrusion of the stopper body, and the protrusion of the protrusion is provided. It has an opening for opening the notch.

According to the third aspect, the opening / closing operation member is rotatably assembled so as to face the protrusion of the stopper body. The opening / closing operation member has an opening for opening the notch of the protrusion. The cutout can be easily opened only by aligning the open part with the cutout of the stopper body.

According to a fourth aspect of the present invention, in the caster stopper according to the third aspect, the opening / closing operation member is substantially ring-shaped, the opening / closing operation member has a guide groove in an outer peripheral portion, and the stopper body is The opening / closing operation member has a guide protrusion that is fitted in a guide groove to allow the opening / closing operation member to rotate.

In the present invention, the opening / closing operation member is substantially ring-shaped, and the opening / closing operation member has the guide groove on the outer peripheral portion. This stopper body has a guide protrusion. The guide protrusion is fitted into the guide groove of the opening / closing operation member to allow the opening / closing operation member to rotate.
As a result, the opening / closing operation member can be reliably rotated by using the guide groove and the guide protrusion, and the opening / closing operation member does not come off from the stopper body.

According to a fifth aspect of the present invention, in the caster stopper according to the fourth aspect, when the opening / closing operation member rotates with respect to the stopper body, the opening / closing operation member opens the cutout portion. A first click sensation generator that generates a click sensation in the rotational position state; and a second click sensation generator that generates a click sensation in the second rotational position state in which the opening / closing operation member closes the notch. .

According to the present invention, when the opening / closing operation member rotates with respect to the stopper body, the first click feeling generating section generates a click feeling in the first rotational position state in which the opening / closing operation member opens the notch. . Further, in the second rotational position state in which the opening / closing operation member closes the cutout portion, the second click feeling generating portion generates a click feeling. Accordingly, the operator can easily recognize the positional relationship between the first rotation position state and the second rotation position state by touch when rotating the rotation operation member.

According to a sixth aspect of the present invention, in the caster stopper according to the third aspect, the opening / closing operation member has a non-slip portion for holding and rotating the opening / closing operation member.

According to a sixth aspect of the invention, the opening / closing operation member has a non-slip portion used for holding and rotating the opening / closing operation member. The worker can surely rotate the rotary operation member because of having the anti-slip portion.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiment described below is a preferred specific example of the present invention,
Although various technically preferable limitations are given, the scope of the present invention is not limited to these forms unless otherwise specified in the description below.

FIG. 1 shows an example of a holding object to which the caster stopper of the present invention can be used. This holding object (also called a structure) is, for example, the television stand 1. The television stand 1 has a function of, for example, mounting the television receiver 2 and moving the television receiver 2 on the floor surface F. Therefore, casters 5 are attached to the four corners of the TV stand 1, for example.
Each caster 5 is placed on a caster stopper 10 placed on the floor surface F, and this caster stopper 10 holds the caster 5 so as not to move with respect to the floor surface F.

FIG. 2 is an exploded perspective view showing a preferred embodiment of the caster stopper of the present invention. The caster stopper 10 shown in FIG. 2 is a so-called saucer type caster stopper. FIG. 3 shows an example of a sectional structure of the caster stopper 10 of FIG. 2 after assembly. Figure 2
As shown in FIG. 3, the caster stopper 10 is composed of a total of two members, that is, the stopper body 20 and the opening / closing operation member 30. The stopper body 20 is also called a saucer body, and the opening / closing operation member 30 is also called a guide ring. The stopper body 20 and the opening / closing operation member 30 can be made of, for example, plastic, metal, wood, or the like. The stopper body 20 is a member placed directly on the floor surface F, and the stopper body 20 generally has a wheel mounting portion 24, a circumferential protrusion 26 as a protrusion portion, and a notch portion 28.

The wheel mounting portion 24 of the stopper body 20 is
This is a substantially circular portion, and is a portion for directly mounting and holding the wheels 6 of the casters 5 as shown in FIGS. 4 and 5. The wheel mounting portion 24 is a substantially flat surface, and the circumferential protrusion 26 is provided around the wheel mounting portion 24 except for the notch 28.
Are formed to project. A part of the circumferential protrusion 26 is notched, and the notched part is a notched portion 28.
Is. The introduction width W of the cutout portion 28 is set to be slightly wider than the total width W1 in the axial direction of the wheels 6 of the caster 5 shown in FIG. As a result, the wheels 6 of the caster 5 are
It can be easily guided from the floor to the wheel mounting portion 24 side through the introduction slope 50 and the notch portion 28, or the wheel mounting portion 24.
Can be taken out to the floor.

In the stopper body 20 shown in FIGS. 2 and 3, a circumferential groove 40 is further formed outside the circumferential projection 26. The circumferential groove 40 is a groove into which the opening / closing operation member 30 is fitted. Side wall portion 4 forming a circumferential groove 40
2 is also formed so as to project from the base 44 of the stopper body 20. As a result, a circumferential groove 40 is formed between the side wall portion 42 and the circumferential protrusion 26. Guide protrusions 48 are provided at several locations on the side wall portion 42 in the circumferential protrusion 26.
Is formed so as to project in the radial direction.

An introduction slope 50 is formed on a part of the base 44 of FIG. This introduction slope 50
As shown in FIG. 3, the wheels are introduced from the floor surface F toward the wheel mounting portion 24 and mounted as shown in FIGS. 4 and 5, or conversely, the wheel 6 is lowered from the wheel mounting portion 24 to the floor surface F. It is a slope to do. By providing such an introduction slope 50, it is possible to easily carry out the work of mounting and lowering the wheels 6 of the caster 5. Width W2 of introduction slope 50
Is set to be larger than the introduction width W of the cutout portion 28. As shown in FIG. 3, the formation angle θ of the introduction slope 50
Is, for example, an angle of about 30 degrees, but is not particularly limited. The introduction slope 50 starts from the floor surface F and reaches the upper surface 48A of the guide protrusion 48. As shown in FIG. 5, the circumferential protrusion 26 shown in FIG. 2 and FIG.
This is a portion for preventing the wheel 6 mounted and held on the vehicle from coming out of the wheel mounting portion 24.

Next, the opening / closing operation member 30 shown in FIG. 2 and FIG.
Will be described. The opening / closing operation member 30 is also called a guide ring or the like as described above, and the opening / closing operation member 30
Has a substantially C-shaped body 60. This body 60
Has a grip portion 64 and a guide groove 66 for a worker to grip with a finger. The guide groove 66 is formed below the main body 60 and in the circumferential direction of the main body 60 with respect to the side surface. A plurality of guide protrusions 48 of the stopper body 20 are fitted in the guide grooves 66. By fitting the plurality of guide protrusions 48 into the guide groove 66, the opening / closing operation member 30 can rotate with respect to the stopper body 20 about the center axis CL shown in FIG. 3, and in the direction of the center axis CL. It is assembled so that it will not come off.

The body 60 of FIG. 2 has an opening 68. The open portion 68 has a size corresponding to the cutout portion 28 of the stopper body 20. Opening / closing operation member 30
When the opening portion 68 of the main body 60 and the notch portion 28 are aligned by rotating the stopper main body 20 about the central axis CL shown in FIG. 3, the wheel 6 is mounted on the wheel as shown in FIG. It can be mounted on the unit 24 or taken out of the wheel mounting unit 24. Further, the opening / closing operation member 30 is rotated to use the main body 60 to cut out the cutout portion 28.
By closing the wheel 6, the wheel 6 can no longer come out of the cutout 28 as shown in FIG.

Next, the work for mounting the wheels 6 of the casters 5 using the caster stoppers 10 described above to prevent the television stand 1 shown in FIG. 1 from moving will be described. First, as shown in FIG. 1, for example, four caster stoppers 10 are arranged on the floor surface F at positions corresponding to the four casters 5. Next, with respect to the four caster stoppers 10 arranged, the TV stand 1
By moving along the floor surface F, the wheels 6 of each caster 5 are introduced onto the wheel mounting portion 24 of the stopper body 20 of the caster stopper 10 as shown in FIG.

Specifically, as shown in FIG. 4, the caster 5 is used.
The wheels 6 are guided in the E direction along the introduction slope 50 of the stopper body 20. At this time, the opening / closing operation member 3
The position of the open portion 68 of 0 and the cutout portion 28 of the stopper body 20 are aligned, and the cutout portion 28 is in an open state.
Therefore, the wheel 6 is held by mounting the introduction slope 50 on the wheel mounting portion 24 through the notch 28. In this state, the wheel 6 is surrounded by the circumferential protrusion 26.

Next, as shown in FIG. 5, the operator rotates the main body 60 of the opening / closing operation member 30 in the R direction by a certain angle. Since the opening portion 68 of the main body 60 rotates,
The body 60 closes the notch 28 of the stopper body 20. As a result, the wheel 6 is completely surrounded by the circumferential projection 26 of the stopper body 20 and the body 60 of the opening / closing operation member 30. The height of the main body 60 of the opening / closing operation member 30 and the circumferential projection 26 of the stopper main body 20 is at least high enough that the wheel 6 cannot easily get over it. Therefore, when the wheels 6 are mounted and held on the wheel mounting portion 24, it is possible to reliably prevent the wheels 6 from rolling out of the caster stopper 10. In this way, the plurality of casters 5 of the television stand 1 as the holding object shown in FIG. 1 are securely placed and held by the corresponding plurality of caster stoppers 10.

Next, FIGS. 6 and 7 show another embodiment of the caster stopper 10 of the present invention. The caster stopper 10 shown in FIGS. 6 and 7 is a stopper body 2
2 and FIG.
It has the same structure as the caster stopper 10 shown in, and its operation is almost the same.

Caster stopper 10 shown in FIGS. 6 and 7.
The structure different from the caster stopper 10 shown in FIGS. 2 and 3 is as follows. That is, as shown in FIG. 7, the circumferential projection 26 of the stopper body 20 is formed by the first click feeling generating portion 7
0 and the second click feeling generating unit 80. Specifically, the first click feeling generating section 70 has a recess 71 on the outer surface side of the circumferential projection 26. Similarly, the second
The click feeling generating portion 80 also has a concave portion 81 on the outer surface side of the circumferential protrusion 26. A protrusion 91 formed inside the opening / closing operation member 30 is fitted into these recesses 71 and 81 in accordance with the rotation angle.

For example, as shown in FIG. 4, the wheels 6 of the caster 5 are
When the guide is introduced into the caster stopper 10 and placed, the notch 28 of the stopper body 20 is located at a position corresponding to the opening 68 of the opening / closing operation member 30. In this case, the concave portion 71 of the first click feeling generating portion 70 is not
Get stuck. When the protrusion 91 fits into the recess 71, the operator can feel the click feeling. When the main body 60 of the opening / closing operation member 30 is rotated in the R direction by a predetermined angle as shown in FIG.
The concave portion 81 of the second click feeling generating portion 80 fits into the protrusion 91 shown in FIG. As a result, the second click sensation is generated, and the operator can visually recognize the click sensation during work.

As described above, in the first rotational position state as shown in FIG. 4, the first click feeling generating section 70 is
The operator can feel the click feeling, and in the second rotation position state shown in FIG. 5, the second click feeling generating unit 80 can cause the operator to feel the second click feeling. is there. By doing this, the first
The operator can surely recognize the rotating state and the second rotating state by feeling.

Next, still another embodiment of the present invention will be described with reference to FIGS. The basic structure of the caster stopper 10 shown in FIGS. 8 and 9 is similar to that of FIGS. 2 and 3 or FIGS. 6 and 7. However, in the embodiment of FIG. 8, the main body 6 of the rotary operation member 30 is
A plurality of protrusions 100 are formed to project at predetermined positions of 0. These projections 100 play a role of non-slip when the operator grips the grip portion 64 with his / her finger to rotate the grip portion 64 in the R direction. Therefore, the protrusion 100 is a non-slip portion. Similarly, in the embodiment of the caster stopper 10 of FIG. 9, the knurled portion 120 is formed over the substantially entire length of the grip portion 64 of the main body 60. The knurling section 120 corresponds to a slip preventing section when the operator holds the grip section 64 and rotates the grip section 64 in the R direction.

By using the preferred embodiment of the caster stopper 10 described above, the wheels 6 of the casters 5 of the TV stand 1 are caster stopper without the operator having to lift the TV stand which is a structure or an object to be held. It can be mounted on the wheel mounting portion 24 of 10 and held. Then, in order to prevent the held wheels 6 from rolling out of the wheel mounting portion 24, the operator may simply rotate the opening / closing operation member 30. From this, it is sufficient to simply rotate the opening / closing operation member 30, so that the wheel 6 is placed on the wheel mounting portion 24 and then the opening / closing operation member 30 is rotated.
You can work safely and easily without pinching your fingers when rotating. The caster stopper 10 of the present invention includes a stopper body 20 and an opening / closing operation member 30.
Since it has a simple shape composed of two members, it can be realized at the same low cost as the conventional case.

The present invention is not limited to the above embodiment. In the above-described embodiment, the slope is formed on the stopper body 20, but the introduction slope 50 is not necessarily provided depending on the height dimension of the base 44 of the stopper body 20 shown in FIG. May be. Further, the opening / closing operation member 30 and the stopper body 20 are assembled such that the opening / closing operation member 30 is rotatable with respect to the circumferential groove 40 by using the guide groove 66 and the guide protrusion 48. In this case, the main body 60 of the opening / closing operation member 30 can be rotated so as to be located outside the circumferential projection 26, and the opening / closing operation member 30 and the circumferential projection 26 are substantially concentric about the rotation axis CL shown in FIG. Are arranged in a shape.

However, the opening / closing operation member 30 is not limited to this.
It goes without saying that the circumferential projection 26 may be directly fitted into the circumferential projection 26 so as not to come off, so that the circumferential projection 26 can be rotated. Further, although the opening / closing operation member 30 has a substantially C-shape, if the opening / closing operation member 30 has a structure capable of opening and closing the notch portion 28 of the stopper body 20, particularly in a rotating structure. Instead, it is of course possible that the notch 28 can be opened and closed by sliding in the linear direction.

A guide groove 66 is provided in the opening / closing operation member 30 of FIG. 2, and the guide protrusion 4 is provided in the stopper body 20.
6 is provided, on the contrary, guide projections may be provided so as to project from the opening / closing operation member 30 to form guide grooves in the stopper body 20, and these may be fitted therein. As a holding object to which the caster stopper of the present invention is used, for example, a television stand is shown as an example in FIG. 1, but the present invention is not limited to this and other types of articles or structures may be used.

[0039]

As described above, according to the present invention,
(EN) Provided is a caster stopper which does not require a worker to lift an object to be held and can easily and safely place wheels of casters for moving the object to be held to prevent the object to be held from moving.

[Brief description of drawings]

FIG. 1 is a perspective view showing a television stand as an object to be held using a preferred embodiment of a caster stopper according to the present invention.

FIG. 2 is an exploded perspective view showing in detail the structure of the caster stopper of FIG.

3 is an axial cross-sectional view of the caster stopper of FIG.

FIG. 4 is a diagram showing a state in which the wheels of the casters are introduced to the wheel mounting portion of the caster stopper and are about to be mounted.

FIG. 5 is a view showing a state in which the opening / closing operation member is rotated and the notch portion of the caster body is closed after the wheels of the caster are placed and held on the wheel mounting portion.

FIG. 6 is a side view in which a part of the drawing showing another embodiment of the caster stopper of the present invention is omitted.

7 is a sectional view of the caster stopper of FIG. 6 taken along the line CC.

FIG. 8 is a perspective view showing still another embodiment of the caster stopper of the present invention.

FIG. 9 is a perspective view showing still another embodiment of the caster stopper of the present invention.

FIG. 10 is a view showing a state in which wheels are mounted on a conventional caster stopper.

11 is a diagram showing the structure of the conventional caster stopper of FIG.

FIG. 12 is a diagram showing a state in which a conventional TV stand is being lifted to mount a wheel on a recessed seat portion of a caster stopper.

[Explanation of symbols]

10 ... Caster stopper, 20 ... Stopper body, 24 ... Wheel mounting portion, 26 ... Circular protrusion (projection portion), 28 ... Notch portion, 30 ... Opening / closing operation member, 40 ... Circular groove, 42 ... Side wall portion, 48 ...
..Guide projections, 50 ... Introduction slope, 66 ...
・ Guide groove, 68 ... Opening part

Claims (6)

[Claims] 1. A caster stopper for mounting a wheel of a caster attached to a holding object for moving the holding object to stop the movement of the holding object, wherein the wheel is placed and held. A wheel mounting part, a protrusion formed around the wheel mounting part for preventing the wheel from coming out of the wheel mounting part, and the wheel being mounted on the wheel while the wheel is running. A stopper main body having a notch for introducing and mounting it on the mounting part, and the notch part of the protrusion is assembled to the stopper main body so as to be openable and closable, and the wheel is mounted and held on the wheel mounting part. A caster stopper, comprising: an opening / closing operation member for closing the cutout portion in a closed state. 2. The protruding portion is formed in a circumferential shape so as to protrude around the wheel mounting portion, and the stopper body connects the surface on which the stopper body is placed and the wheel mounting portion so as to connect the wheel. The caster stopper according to claim 1, wherein an introduction slope for guiding the stopper body from the surface on which the stopper body is placed to the wheel mounting portion is provided at a position corresponding to the cutout portion. 3. The opening / closing operation member is rotatably assembled so as to face the protrusion of the stopper body, and has an opening for opening the notch of the protrusion. The caster stopper according to claim 1. 4. The opening / closing operation member is substantially ring-shaped, the opening / closing operation member has a guide groove in an outer peripheral portion, and the stopper body is fitted in a guide groove of the opening / closing operation member to open / close the opening / closing operation member. The caster stopper according to claim 3, wherein the caster stopper has a guide protrusion that allows the rotator to rotate. 5. A first click sensation generator that generates a click sensation when the open / close operation member rotates with respect to the stopper body in a first rotational position state in which the cutout is opened by the open / close operation member. The caster stopper according to claim 4, further comprising: a second click feeling generating section that generates a click feeling in a second rotational position state in which the opening / closing operation member closes the cutout section. 6. The caster stopper according to claim 3, wherein the opening / closing operation member has a non-slip portion for holding and rotating the opening / closing operation member.