JP3553173B2 - Mobile support - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a movable support table.
[Prior art]
[0002]
Usually, this type of support is used as a clothesline, partition, or the like by disposing a support at predetermined intervals and attaching a mounting member such as a pole or a chain between the supports. The support base itself is formed so that the base portion to be installed particularly on the ground can be prevented from tipping over using a material having a considerable weight.
[Problems to be solved by the invention]
[0003]
However, in the above-mentioned movable support table, it is necessary to move the support table when changing the place, and in such a case, the support table must be lifted and carried.
[0004]
However, particularly when used outdoors, such a movable support is made of a relatively heavy material, for example, steel, iron, or the like, in order to prevent overturning due to rain and wind or from the viewpoint of durability. It was not always easy to carry. Especially in the case of strong wind pressure, further considerations are required to prevent falling, but considering the labor of carrying, the weight cannot be more than a certain value, and therefore, sufficient enough for outdoor use is required. The problem is that it cannot achieve high stability.
[0005]
SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-described problems and to provide a movable support base that can be easily moved and that is sufficiently stable even when used outdoors.
[Means for Solving the Problems]
[0006]
In order to solve the above-mentioned problems, the present invention includes a moving mechanism (3) capable of projecting and storing a caster (13) and a locking mechanism (4) capable of fixing and releasing a predetermined replacement member (5). A movable support base (1) comprising a plurality of support bases (1) arranged side by side at predetermined intervals, and a replacement member (5) attached between the support bases so as to span the support base. In the mobile support,
The moving mechanism (3) includes a support frame (2) having a base portion, a pole portion (12) erected on the base portion, a plurality of casters (13), and a base portion of the support frame. A caster support member (22), which is built in the caster support member and holds the caster (13) so as to be accommodated and protrudable with respect to the support frame, and is detachable from the caster support member (22); Caster support member engaging portions (10, 27) for supporting the casters in a protrudable state,
A shaft portion (19) erected at the center of the caster support member (22) and one or a plurality of guide plates provided with holes of a shape corresponding to the shaft portion in the support frame (2). A guide member (23) comprising: a shaft member (19) is loosely inserted into the hole;
The caster support member engaging portion (10, 27) is formed by bridging a first engaging pin (27) between two opposing plates (10), and the caster support member in the pole portion (12) is provided. An operating pin (14) for rotatably suspending a rotation shaft (28) bridged over the member (22) and rotating the plate (10) is attached to the pole (12). It is inserted from the outside above the rotating shaft (28) between the plate members (10) and is pivotally mounted on the plate member. When a caster is used, the upper end of the shaft portion (19) is used. Abuts and is locked by the first engaging pin (27), and when the caster is stored, the operating pin (14) is pressed to rotate the plate (10), whereby the first engaging pin (27) is rotated. ) Is removed from the upper end of the shaft (19).
[0007]
The present invention also provides a movable support base, wherein the replacement member (5) is a chain and a partition for partitioning a space.
[0008]
In the present invention, the caster support member engaging portion (10, 27) further includes a second engaging pin (26) above the first engaging pin (27) and below a rotation axis. and, when the caster housing, the upper end of the shaft portion (19) is characterized by being locked by said second engagement pin (26), to provide a mobile support base.
[0009]
Further, according to the present invention, the pole (12) or the guide member (23) and the plate (10) are connected to each other in the pole (12), and the rotation of the plate (10) is performed. A spring (16) that expands and contracts in accordance with the requirement is provided, and the restoring force of the spring (16) causes the first engaging pin (27) to move the caster support member engaging portion (10, 27) to the shaft portion (19). A movable support that acts so as to rotate to a position located at the upper end of the movable support.
[0010]
Further, the present invention also provides a projection (19a) which is engaged with the guide member (23) on the shaft portion (19) and prevents the support frame (2) from being lifted to a position above a certain height. ) to provide a mobile support base formed by providing a.
[Action]
The movable support of the present invention includes a support frame and a caster support member, and the support frame can be moved up and down with respect to the caster support member. Since the lower end of the support base frame is grounded, the stopped state of the movable support base is maintained. When the support frame is lifted, only the support frame moves upward, and the caster support member remains grounded by its own weight, so the casters are exposed from the lower end of the support frame and the movable support frame is movable. It becomes a state. Furthermore, by having the locking mechanism of the replacement member, if the replacement member is replaced, it can be used for various purposes.
[0011]
Further, in the movable support base of the present invention, when the caster support member engaging portion and the operating pin thereof are provided, when the caster is used, the upper end of the shaft portion of the caster support member is moved to the first position of the caster support member engaging portion. By engaging with the engagement pins, the support base frame is fixed in a raised state, and the caster can be kept exposed. Also, when the operating pin is pressed, the plate of the caster support member rotates and the first engagement pin is disengaged from the upper end of the shaft portion, whereby the support frame is lowered, and the lower end is grounded on the installation surface, The movable support base can be brought into a stopped state.
[0012]
Further, by providing the second engagement pin on the plate body, the second engagement pin abuts on the upper end of the shaft portion when the support base frame is lowered, and the fixed state is maintained.
[0013]
Further, when a spring for connecting the pole portion or the guide member and the plate body is provided in the pole portion, when the support frame is lifted, the caster support member engaging portion is moved by the first engaging pin by the restoring force of the spring. Is rotated so as to be positioned at the upper end of the shaft portion, so that the caster can be maintained in the extended state even when the support frame is released.
[0014]
Further, in the case where the shaft portion is provided with a projection which is locked by the guide member, when the support base frame is lifted to a certain height, the projection is locked by the guide member, so that it cannot be lifted any more. .
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows an example in which the movable support of the present invention is applied as a movable bench. The basic structure of the support 1 is as follows: a support frame 2 serving as an outer frame of the support, a moving mechanism 3 for moving the support, and a mounting member 5 between the supports 1 installed on both sides. And a lock mechanism 4 for fixing. FIG. 6 is a bottom view of the caster support member 22 of the movable support base. On the bottom surface of the caster support portion 8, five casters 13, 13,... Are provided.
[0015]
As shown in FIG. 3, the moving mechanism 3 includes a caster supporting member 22 that supports a caster 13 that is grounded on the ground, a guide member 23 that guides up and down movement, and an operating pin 14 that grounds only the caster when pressed. Become. As shown in FIG. 3, the base portion 11 of the support base frame 2 has a box shape lacking a lower bottom surface, and an upper cover portion 12 is provided on an upper bottom surface. The upper cover 12 has a lid at the upper part, a hollow cylinder at the lower part, and is formed of a material such as steel. In this embodiment, the upper lid has a semicircular shape, but may have any shape depending on the application. In the present embodiment, the upper cover of the support base frame 2 is cut into an intermediate portion to be concave, and has a window 40 for a lock mechanism to be described later. In addition, a reflective tape is attached to the cut portion so that the installation position can be checked even at night. Note that the shape of the support frame 2 is not limited to the shape of the present embodiment, and it is of course possible to appropriately change the shape such as a columnar shape, a prismatic shape, or the like depending on the installation location and application. The caster support member 22 is a plate having a plurality of casters 13 attached to the lower surface, and includes a shaft 19 suspended from the upper surface.
[0016]
7 and 8 are longitudinal sectional views showing the structure of the lower portion of the movable support base 1 when using the casters and when storing the casters, respectively. A guide member 23 that extends from the upper cover portion 12 into the base portion 11 is provided in the support base frame 2. As shown in FIG. 7, the guide member 23 includes two guide plates 23a and 23b having holes formed in a shape corresponding to the cross-sectional shape of the shaft 19, and side walls 15a and 15b that sandwich the guide plates 23a and 23b. Consists of The shaft 19 of the caster support member 22 is inserted into the hole of the guide member 23, thereby preventing the front and rear and left and right swings of the support base frame 2 with respect to the shaft 19, and allowing the support base frame 2 to move up and down stably. Become.
[0017]
As shown in FIGS. 7 and 8, a rotating shaft 26 is bridged over the caster supporting member 22 on the opposite side wall of the guide member 23, and the caster supporting member engages with the rotating shaft 26. The part 24 is rotatably suspended. The caster support member engaging portion 24 is formed by bridging a first engaging pin 27 between two opposing plate members 10, 10, and the first engaging pin 27 has an upper end surface of the shaft 19 when the caster is used. It comes into contact. The rotation shaft 26 also functions as a second engagement pin with which the upper end surface of the shaft 19 contacts when the caster is stored. An operating pin 14 for rotating the plate inserted from outside the pole portion 12 is inserted above the plates 10, 10, and is rotated by a rotation shaft 28 penetrating between the plates 10. Is being worn. Further, a spring 16 that expands and contracts in accordance with the rotation of the plates 10, 10 is provided between the plates 10, 10. One end of the spring 16 is provided on a spring fixing plate 29 provided between the plates 10, 10, the other end is provided on a side wall 15 a of the guide member 23, and a first engagement pin 27 between the plates 10, 10 when the spring is restored. It is fixed so as to be at the lowest position, that is, the position where it comes into contact with the upper end surface of the shaft 19 when the caster is used.
[0018]
A projection 19 a that engages with the guide plate 23 a of the guide member 23 is provided below the shaft 19. Thereby, the support base frame is locked when it is lifted to a certain height or higher, and the caster support member 22 is prevented from coming off the guide member 23.
[0019]
In the movable support base 1 of the present invention, the casters are moved in and out as follows. When the casters are stored, as shown in FIG. 8, the caster support member engaging portions 24 are inclined, and the spring 16 is in a contracted state. When the support frame 2 of the movable support 1 is lifted or the movable support 1 is tilted, the support frame 2 is lifted, but the caster support member 22 remains grounded by its own weight. At this time, the projection 19a comes into contact with the guide plate 23a, and the support frame 2 is not lifted higher than that position. When the support base frame 2 is lifted, the first engagement pin 27 follows the side surface of the shaft 19 and moves upward while pressing against the side surface of the shaft 19 by the restoring force of the spring 16, and separates from the shaft 19 at the upper end of the shaft 19. At the same time, due to the restoring force of the spring, the caster support member engaging portion 24 becomes vertical as shown in FIG. Here, when the support base frame 2 is released, the frame 2 descends, but stops at a position where the first engagement pin 21 is engaged with the upper end surface of the shaft 19, that is, a position where the casters 13 are in a protruding state.
[0020]
Next, when the operating pin 14 is pushed in the direction of arrow P in FIG. 7, the caster support member engaging portion 24 is inclined while the spring 16 is contracted, and the first engaging pin 27 moves in the direction of arrow Q, Move away from the upper end face of 19. At the same time, the support frame 2 is lowered by its own weight, and the casters 13 are stored as shown in FIG. The restoring force of the spring is sufficient if the caster support member engaging portion 24 easily returns to the vertical state when there is no obstacle and the spring can be easily contracted by pressing the operating pin 14. It is.
[0021]
Next, the lock mechanism 4 of the replacement member 5 will be described in detail with reference to FIGS. The lock mechanism 4 is configured to support a lock pin 31 urged by a spring on a U-shaped holding member 30 so as to be able to move up and down. The lock pin 31 is inserted through two upper and lower portions of the holding member 30, and is wound around the lock pin 31 between a C-type washer 32 fitted in the middle thereof and a D-type washer 33 loosely fitted at the lower end. The mounted coil spring 34 is compression-fitted. As shown in FIG. 10, the lock pin 31 is moved downward by being pushed by a tip 51 inserted into a window hole 40 for a replacement member, which will be described later, as shown in FIG. 10. , Are formed on the inclined cam surface 31a. Further, the lower end of the lock pin 31 is pin-connected to one end of a lock release lever 35 that moves the lock pin 31 up and down by swinging motion. The lock release lever 35 is pivotally supported by a bearing member 36 fastened to the lower plate end of the holding member 30, and the key receiving plate 37 is welded and fixed almost directly above the pin connecting member of the lock pin 31 in a forwardly inclined posture. I have. The key receiving plate 37 is directly opposed to the opening of the key hole 38, and as shown in FIG. 11, is pushed inward by a key 39 inserted from the key hole 38 so that the lock release lever 35 swings. The lock of the lock mechanism is released.
[0022]
When the replacement member 5 is used as a movable bench as shown in FIG. 5, the intermediate portion 50 is formed of a hollow pipe made of aluminum, steel, or the like. An opening 52 is formed at the center. The distal end portion 51 is inserted into the window hole 40 of the lock mechanism 4 to be locked. In the present embodiment, the intermediate portion 50 is simply a pole, but a rubber cover may be wrapped around the intermediate portion 50 to make it more comfortable to sit on as a bench. Further, the pole is not limited to a cylinder, but may be a flat plate or a square depending on the application.
[0023]
As another embodiment of the present invention, as shown in FIG. 2, the intermediate portion may be a chain. Similarly, in the case of a chain, the distal end portion 51 has a semicircular shape, and is provided with an opening 52 so as to be locked with the lock mechanism. In this embodiment, the embodiment in which the bench and the partition are applied has been described. However, the present invention is not limited to this, and may be applied to, for example, a clothesline. Alternatively, instead of arranging the supports, only one may be installed and the other may be supported by attaching the tip of a replacement member to a pillar or the like.
【The invention's effect】
As described above, the movable support of the present invention is a movable cast.
By providing a moving mechanism that enables access to the table, and by fixing the replacement member by a lock mechanism between the support tables arranged side by side at a predetermined interval, it is possible to easily transport a heavy support table. By replacing the replacement member, there is an effect that it can be used for various uses.
[0025]
Since the movable support of the present invention allows the casters to be freely inserted into and removed from the support frame, the movable supports can be easily moved by the casters, and the labor required for the movement can be reduced. In addition, since the movement is performed by the casters, the movable support base can be manufactured using a strong material, and it is possible to provide a movable support base that has sufficient stability for outdoor use.
[Brief description of the drawings]
[0026]
FIG. 1 is a perspective view of a movable bench showing one embodiment of the present invention.
FIG. 2 is a perspective view of a movable partition according to another embodiment of the present invention.
FIG. 3 is a schematic diagram of a support base moving mechanism showing one embodiment of the present invention.
FIG. 4 is a schematic view of a lock mechanism of the supporter according to the embodiment of the present invention.
FIG. 5 is a front view of a replacement member according to one embodiment of the present invention.
FIG. 6 is a bottom view showing a caster support member of the support base of FIG. 1;
FIG. 7 is an enlarged sectional view of a main part of a support base moving mechanism of FIG. 1;
8 is a sectional view of the moving mechanism of FIG. 7 when the casters are housed.
FIG. 9 is an enlarged sectional view of a main part of a lock mechanism of the support base of FIG. 1;
FIG. 10 is a sectional view showing another embodiment of FIG. 9;
FIG. 11 is a sectional view showing another embodiment of FIG. 10;
[Explanation of symbols]
[0027]
DESCRIPTION OF SYMBOLS 1 Movable support base 2 Support base frame 3 Moving mechanism 4 Locking mechanism 5 Replacement member 10 Plate body 11 Base part 12 Pole part 13 Caster 14 Operating pin 16 Spring 18 Caster support part 19 Axis 19a Projection 20 Rotation axis 21 First member Mating pin 22 caster support member 23 guide member 23a guide plate 24 caster support member engaging portion 26 rotation shaft 27 first engagement pin 28 rotation shaft 29 spring fixing plate 30 holding member 31 lock pin 31a inclined cam surface 32 C-type washer 33 D-type washer 34 Coil spring 35 Lock release lever 36 Bearing member 37 Key receiving plate 38 Key hole 39 Key 40 Window hole

Claims (6)

A movable support base (1) comprising a moving mechanism (3) capable of freely projecting and storing a caster (13) and a lock mechanism (4) capable of fixing and releasing a predetermined replacement member (5). In the movable support base, the support bases (1) are arranged side by side at a predetermined interval, and a replacement member (5) is attached between the support bases.
The moving mechanism (3) includes a support frame (2) having a base portion, a pole portion (12) erected on the base portion, a plurality of casters (13), and a base portion of the support frame. A caster support member (22), which is built in the caster support member and holds the caster (13) so as to be accommodated and protrudable with respect to the support frame, and is detachable from the caster support member (22); Caster support member engaging portions (10, 27) for supporting the casters in a protrudable state,
A shaft portion (19) erected at the center of the caster support member (22) and one or a plurality of guide plates provided with holes of a shape corresponding to the shaft portion in the support frame (2). A guide member (23) comprising: a shaft member (19) is loosely inserted into the hole;
The caster support member engaging portion (10, 27) is formed by bridging a first engaging pin (27) between two opposing plates (10), and the caster support member in the pole portion (12) is provided. An operating pin (14) for rotatably suspending a rotation shaft (28) bridged over the member (22) and rotating the plate (10) is attached to the pole (12). It is inserted from the outside above the rotating shaft (28) between the plate members (10) and is pivotally mounted on the plate member. When a caster is used, the upper end of the shaft portion (19) is used. Abuts and is locked by the first engaging pin (27), and when the caster is stored, the operating pin (14) is pressed to rotate the plate (10), whereby the first engaging pin (27) is rotated. ) Is removed from the upper end of the shaft portion (19). 2. The movable support according to claim 1, wherein the replacement member is a cylindrical pole and can be seated. 3. 2. The movable support according to claim 1, wherein the replacement member (5) is a chain and a partition for partitioning a space. 4. The movable support base according to claim 1, wherein the caster support member engaging portion (10, 27) further pivots above and above the first engaging pin (27). 5. A second engagement pin (26) is provided below the shaft, and the upper end of the shaft portion (19) is locked by the second engagement pin (26) when the caster is stored. Mold support. The movable support according to any one of claims 1 to 4, wherein the pole (12) or the guide member (23) and the plate (10) are provided in the pole (12). And a spring (16) that expands and contracts in accordance with the rotation of the plate (10) is provided. The restoring force of the spring (16) causes the caster support member engaging portion (10, 27) to move to the second position. A movable supporter, which operates to rotate the engagement pin (27) to a state where the engagement pin (27) is located at the upper end of the shaft (19). The movable support according to any one of claims 1 to 5, wherein the shaft (19) is locked with a guide member (23), and the support frame (2) is at least a certain height. A movable support base provided with a projection (19a) for preventing it from being lifted to the position.

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