KR20130021586A - Support leg folding apparatus - Google Patents

Abstract

PURPOSE: A support leg folding device is provided to improve durability, stability, and marketability thereof. CONSTITUTION: A support leg folding device comprises a fixed bracket(1) which is formed with a movement hole and is pivotally connected to the lower end of a support leg, a folding member(2) which is pivotally connected to the support leg and is movably connected to the movement hole, a stopper member(3) which is installed to the fixed bracket, and an elastic member(4) which provides elastic force so that the stopper member can move forward.

Description

Support leg folding device {SUPPORT LEG FOLDING APPARATUS}

The present invention relates to a support leg folding device, and more particularly, to a support leg folding device to improve the durability, stability and marketability by ensuring that the support legs are correctly unfolded and unfolded.

In general, tables are produced in various types such as tables used for tables, dining tables, desks in homes and offices, and tables for seminars used in lecture rooms or meeting rooms.

The table is provided with a support leg folding device to fold or unfold the support leg as necessary by folding the support leg under the top plate to reduce the volume and to facilitate use, handling and storage.

For example, as shown in the Republic of Korea Utility Model Publication No. 20-2008-0003634, the linear support legs (13) and (23) are supported on the outer sides of the lower sides of the first top plate (10) and the second top plate (20). X is arranged to be folded around the hinge pins 11a and 21a of the means 11 and 21, and to be folded around the hinge pins 12a and 22a of the inner pivot support means 12 and 22. Disclosed is a folding structure of a folding table in which the male support legs 30 and 31 are respectively installed at the front and the rear to fold or unfold a pair of top plates.

In the folding table, the center of the support bars 14 and 24 and the lower part of the upper plate are supported by the folding supports 15 and 25 so that the folding table can withstand the load acting as the upper plate.

However, the above-described conventional folding table has a structure in which the supporting legs 13 and 23 are folded around the hinge pins 11a and 21a of the outer pivot support means 11 and 21, so that a large load or impact force can be applied. In this case, since the support legs 15 and 25 are supported by the support legs, the support legs 13 and 23 do not open to the outside, but the support legs 13 and 23 are easily folded inward.

In addition, the conventional folding table is supported by the hinge pins (11a) (21a) of the outer pivot supporting means (11) (21a) and the supporting legs (13) (23) is coupled to the structure of the support legs (13, 23) Since it is not provided with a means for fixing and supporting the upright state of the product, it is impossible to maintain an accurate upright state, and there is a limit of deterioration of the merchandise since the stability is inferior, such as a vibration occurring during use. In particular, when a high load is applied to the top plate, there is a problem that the table is folded while the unfolded state of the support leg is released.

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above contents, and an object of the present invention is to provide a support leg folding apparatus which improves durability, stability, and marketability by allowing the support legs to be unfolded precisely and the unfolded state to be maintained firmly.

In order to achieve the above object, the support leg folding device according to the present invention, in the support leg folding device, the lower end of the support leg is rotatably connected and the movable bracket is formed in the front and rear direction; A folding member having one end pivotably connected to the support leg and the other end pivotably connected to the movable long hole; A stopper member installed on the fixing bracket so as to be movable back and forth; And an elastic member connected to the stopper member and the fixing bracket and providing an elastic force to move the stopper member forward.

The fixed bracket is formed on the rear portion of the bracket body formed long before and after the support leg mounting portion is formed to surround the remaining portion other than the folding direction of the support leg, the moving hole is a long moving portion formed along the longitudinal direction of the bracket body And a locking groove portion extending upwardly after the moving portion.

The stopper member is formed to be slidable back and forth by a guide fastener fastened through the guide hole consisting of a long stopper body of a long iron shape, a guide hole formed on the stopper body, and a handle portion formed on the rear end of the stopper body. The elastic member is caught by the first locking piece protruding from the bracket body and the second locking piece protruding from the stopper body, and a spring for applying an elastic force so that the front portion of the bracket body blocks the inlet of the locking groove. It may be configured as.

And, the folding member is connected to the supporting leg by a hinge pin, the bracket body is a hinge portion insertion groove is formed, the recess pin is accommodated in the state in which the supporting leg is folded, the guide hole is the The first guide hole is formed in the front portion of the stopper body and the second guide hole is formed in the rear portion of the stopper body, it may be configured to expose the first locking piece to the outside through the first guide hole.

On the other hand, the supporting leg folding device according to the present invention is formed in the same shape as the fixing bracket so that the lower end of the second supporting leg facing the supporting leg is rotatably connected to be disposed facing each other; An auxiliary folding member having one end rotatably connected to the second supporting leg and formed in the same shape as the folding member and disposed to face each other; And a support rod installed between the folding member and the auxiliary folding member, and both ends of which are inserted into the moving field hole.

In addition, the fixing bracket and the auxiliary fixing bracket which are installed to face each other from side to side may include a frame formed to be installed in pairs on both sides.

The support leg folding device of the present invention is constrained and adjusted by the stopper member that can be moved back and forth, so that the support leg is unfolded correctly and the unfolded state is firmly maintained, thereby improving durability, stability, and marketability.

1 is a view for explaining a conventional support leg folding device,
Figure 2 is a perspective view showing the support leg folding device according to an embodiment of the present invention,
Figure 3 is an exploded perspective view showing the support leg folding device according to an embodiment of the present invention,
4 and 5 are views for explaining the operation of the support leg folding device according to an embodiment of the present invention,
Figure 6 is a perspective view of the supporting leg folding apparatus according to another embodiment of the present invention,
Figure 7 is a perspective view of the main portion of the support leg folding device according to another embodiment of the present invention,
8 is an exploded perspective view of main parts of the support leg folding device according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view showing the support leg folding apparatus according to an embodiment of the present invention, Figure 3 is an exploded perspective view showing the support leg folding apparatus according to an embodiment of the present invention.

2 and 3, the support leg folding device according to an embodiment of the present invention is a fixed bracket (1), folding member (2), to be able to fold or unfold the support leg (a), if necessary It is provided with the stopper member 3 and the elastic member 4, and can be applied as a folding device for articles having a supporting leg such as a table, a table, a desk, a table, and the like.

The fixed bracket 1 is a member in which the lower end of the supporting leg a is rotatably connected, and the movable long hole 12 and the supporting leg mounting portion 13 are formed in the plate-shaped bracket body 11 formed long before and after. have.

The moving hole 12 is a hole formed of a moving part 12a which is perforated longitudinally in the front part of the bracket body 11 and a locking groove part 12b extending upwardly following the moving part 12a. The groove part 12b is formed in the shape of a hook bent forward.

The supporting leg mounting portion 13 is a portion formed by bending and forming a space for accommodating the supporting leg a on the rear portion of the bracket body 11, and surrounds the remaining portions except for the opening formed in the folding direction of the supporting leg. Is formed in the form. At this time, the shape of the foot foot installation portion 13 may be formed in a square, circle or the like according to the cross-sectional structure of the support leg (a).

In addition, the bracket body 11 is formed with a hinge portion insertion groove 11a recessed downward in a portion in contact with the moving field hole 12. The hinge portion insertion groove 11a is a portion in which the hinge pin 7 which fixes the folding member 2 to the support leg is accommodated. The hinge portion insertion groove 11a is inserted and seated inside the support leg in a folded state to maintain a stable folded state. Perform the function that makes it possible.

The folding member 2 is a member having a long flat bar shape, the end of which is pivotally connected to the supporting leg by a hinge pin 7 so that the supporting leg a can be folded when the supporting leg a is unfolded or folded, and the other end is moved. It is connected to the long hole 12 so that a movement is possible.

The stopper member 3 is a member installed to be fixed to the fixing bracket 1 so as to be movable back and forth, and includes a stopper body 31 formed in a long flat iron shape, a guide hole 32 formed in the stopper body 31, and It consists of a handle portion 33 formed on the rear end of the stopper body (31).

In addition, the stopper member 3 is a member installed to be slidable back and forth by the guide fasteners 34 fastened through the guide holes 32, and the first guide hole formed in the front portion of the stopper body 11 ( 32a) and the 2nd guide slot 32b formed in the back part of the stopper body 31. As shown in FIG. Wherein the guide fastener 34 is formed of a conventional bolt structure consisting of a head portion 34a and a screw portion 34b, the thread is formed so as to be slidable on the guide hole 32 on the side of the screw portion in contact with the head portion 34a. It is formed in the structure in which the non-slip part 34c was formed.

The elastic member 4 is a member that provides an elastic force for advancing the stopper member 3, and is connected to and installed on the stopper member 3 and the fixing bracket 1. More specifically, the elastic member 4 is a spring having one end and the other end caught by the first locking piece 14 protruding from the fixing bracket 1 and the second locking piece 35 protruding from the stopper body 31. The front portion of the bracket body 11 is applied to the elastic force to block the inlet of the locking groove (12b). At this time, the first locking piece 14 is formed to protrude to the bracket body 11 to be exposed to the outside through the first guide hole 32a, the second locking piece 35 is the second guide hole 32b. It cuts out to the stopper body 31 which contact | connects, and protrudes.

Hereinafter, the operation of the support leg folding device according to an embodiment of the present invention.

4 and 5 are views for explaining the operation of the support leg folding device according to an embodiment of the present invention, as shown in the stopper member (3) by the guide fasteners 34 to fix the bracket (1) ), And then the elastic member 4 is connected to the first locking piece 14 and the second locking piece 35, and the supporting leg a is attached to the supporting leg mounting portion of the fixing bracket 1. 13) is rotatably installed by the hinge pin (7) and is fastened to the supporting leg (a) and the moving hole 12 to one side and the other side of the folding member (2), the assembly is completed.

When the clockwise direction is rotated to unfold the supporting leg (a) in the assembled state as described above, the folding member 2 connected to the supporting leg is pulled, so that the other side of the folding member 2 is the moving part of the moving hole 12. It is slidably moved along 12a and the stopper member 3 moves backward because the pressing force by the moving force of the folding member 2 is applied.

In this way, when the folding member 2 moves and enters the locking groove 12b side, the stopper member 3 moves forward by the elastic force of the elastic member 4 to block the inlet portion of the locking groove 12b side. When the stopper member 3 blocks the inlet portion side of the catching groove portion 11b side, the folding member 2 cannot be detached downward, so that the problem that the supporting leg a is folded does not occur.

In addition, when the user wants to fold the supporting leg (a), when the user pulls the handle part 33 of the stopper member 3, the stopper member is reversed and the inlet part of the locking groove 12b side is opened, so that the folding member 2 ) Can be moved downward, and when the user rotates in the counterclockwise direction by applying a pressing force to the supporting leg, the supporting member is moved in the reverse direction along the moving hole so that the supporting leg (a) includes the folding member (a). The folding operation of is performed.

Figure 6 is a perspective view showing the support leg folding apparatus according to another embodiment of the present invention, Figure 7 is a perspective view of the main portion of the support leg folding apparatus according to another embodiment of the present invention, Figure 8 is a support according to another embodiment of the present invention As a perspective view of the main portion separation of the leg folding apparatus, the same reference numerals are given to the same or similar components as those of the above-described embodiment, and detailed description thereof will be omitted.

6 to 8, the support leg folding device according to another embodiment is a folding member which is foldably connected to the fixed bracket 1 and the moving hole 12 in which the moving hole 12 is formed in the front-rear direction. (2), a stopper member (3) installed to be movable back and forth on the fixing bracket (1), and an elastic member (4) for providing an elastic force to advance the stopper member (3), the supporting leg (a) The second fixing leg (a ') facing each other in the process of being folded is further configured to support the secondary fixing bracket (1'), the auxiliary folding member (2 '), and the support bar (5).

The auxiliary fixing bracket 1 'is disposed to face the fixing bracket 1 so that the lower end of the second supporting leg a' facing the supporting leg a is rotatably connected. Since it is formed in the same shape as (1), a detailed description is omitted.

Similarly to the folding member 2, the auxiliary folding member 2 'is rotatably connected to the second supporting leg a, and the other end thereof is movable to the moving hole 12 of the auxiliary fixing bracket 1'. Is connected. In addition, the folding member 2 and the auxiliary folding member 2 'are formed in a structure in which through-holes are drilled at both ends of the flat bar-shaped member.

When the second supporting leg a 'is rotated counterclockwise for the folding operation, the auxiliary folding member 2' is rotated clockwise while moving forward along the moving hole, and the second supporting leg is rotated clockwise. When it is unfolded, it is rotated counterclockwise as it moves backward along the moving hall.

The supporting rod 5 is a member arranged to be connected to each other between the folding member 2 and the auxiliary folding member 2 ', and is formed of a rod-like member such as a round bar. At this time, both ends of the support bar (5) protrude out of the folding member (2) and the auxiliary folding member (2 ') to be inserted into the moving hole (12) of the fixing bracket (1) and the auxiliary fixing bracket (1'). It is.

On the other hand, the support leg folding device according to another embodiment of the present invention may be directly coupled to the bottom surface of the top plate (not shown) forming a table or the like as a fastening structure or a welding structure, etc., but may be manufactured as a table in this embodiment There is a frame (6) formed so that the fixing bracket (1) and the auxiliary fixing bracket (1 ') to be installed facing each other in pairs are provided, it is easy to manufacture the table by installing the frame (6) on the top plate I would have to.

The frame 6 may be configured in various forms according to the shape, type, etc. of the top plate, but in the present embodiment, the frame body 61 and the frame body 61 are manufactured in a substantially rectangular frame shape using a square rod. It is comprised by the some reinforcement stand 62 arrange | positioned across.

In addition, the material of the frame 6 is not limited, but is formed of a metal material so that the metal fixing bracket 1 can be joined to the corner portion of the frame by a welding method.

Hereinafter, the operation of the support leg folding device according to another embodiment of the present invention.

In the support leg folding device according to another embodiment of the present invention, the fixing bracket 1 and the auxiliary fixing bracket 1 'are welded to both edges of the frame 6, and the stopper member 3 is guided. After movably fixing the fixing bracket 1 to the fixing bracket 1, the elastic member 4 is connected to the first locking piece 14 and the second locking piece 35. Thereafter, the supporting leg and the second supporting leg are rotatably installed by the hinge pin 7 on the supporting leg mounting portion 13 of the fixing bracket 1 and the auxiliary fixing bracket 1 ', and the supporting leg (a). And installing one side of the folding member 2 and the auxiliary folding member 2 'on the second supporting leg a', and then supporting member 5 through the moving hole 12, folding member 2 and auxiliary folding member. Insertion into both through holes of 2 'is complete.

When the connecting table (b) connected between the supporting leg (a) and the second supporting leg (a ') in the assembled state is rotated in the clockwise direction, it is connected to the supporting leg (a) and the second supporting leg (a'). Since the folded member 2 and the auxiliary folding member 2 'are pulled, the end of the supporting rod 5 is slid along the moving part 12a of the moving hole 12, and the stopper member 3 is folded. Since the pressing force by the moving force of (2) is applied, it moves backward.

As such, when both ends of the support bar 5 move and enter the locking groove 12b, the stopper member 3 is advanced by the elastic force of the elastic member 4, thereby blocking the inlet portion of the locking groove 12b side. When the stopper member 3 blocks the inlet side of the locking groove 12b, the folding member 2 cannot be released downward, so that the supporting leg a cannot be folded and maintain a firm and stable upright state. In addition, the second support leg 2 'connected to the support rod 5 may also maintain a firm upright state.

In addition, when the user wants to fold the support leg (a), when the user pulls the handle part 33 of the stopper member 3, the stopper member 3 moves backward while the inlet part of the locking groove 12b is opened so that the support rod ( Since 5) is displaced downward, and then moved in the reverse direction along the moving field 12, the folding operation of the supporting leg (a) and the second supporting leg (a ') including the folding member (2) is performed.

What has been described above is just one embodiment for carrying out the support leg folding apparatus according to the present invention, the present invention is not limited to the above embodiment, the subject matter of the present invention as claimed in the following claims Any person having ordinary skill in the art to which the present invention pertains without departing from the scope of the present invention will have the technical idea of the present invention to the extent that various modifications can be made.

1: Fixed Bracket 1 ': Auxiliary Bracket
11: Bracket Body 12: Moving Worker
13: Support leg mounting portion 14: The first hanging piece
2: folding member 2 ': folding member
3: Stopper member 31: Stopper body
32: guide chief 33: Handle part
34: guide fastener 35: the second hook
4: elastic member 5: support rod
6: frame 7: hinge pin
a: legrest a ': second leg
b: connecting rod

Claims (5)

In the support leg folding device,
A fixed bracket in which the lower end of the support leg is rotatably connected and the moving hole is formed in the front and rear directions;
A folding member having one end pivotably connected to the support leg and the other end pivotably connected to the movable long hole;
A stopper member installed on the fixing bracket so as to be movable back and forth; And
And an elastic member connected to the stopper member and the fixing bracket, the elastic member providing an elastic force to advance the stopper member. The method of claim 1,
The fixing bracket is formed on the rear of the bracket body formed long before and after the support leg mounting portion is formed to surround the remaining portion except the folding direction of the support leg,
The movable long hole is composed of a moving portion formed along the longitudinal direction of the bracket body and a locking groove portion extending upwardly in succession to the moving portion,
The stopper member is formed to be slidable back and forth by a guide fastener fastened through the guide hole consisting of a long stopper body of a long iron shape, a guide hole formed on the stopper body, and a handle portion formed on the rear end of the stopper body. ,
The elastic member is composed of a spring engaging the first locking piece protruding from the bracket body and the second locking piece protruding from the stopper body to apply an elastic force so that the front portion of the bracket body blocks the inlet of the locking groove. Supporting device folding device, characterized in that.
The method of claim 2,
The folding member is connected to the supporting leg by a hinge pin,
The bracket body has a hinge portion insertion groove for receiving the hinge pin portion is recessed, formed in the state that the support leg is folded,
The guide hole comprises a first guide hole formed in the front portion of the stopper body, and a second guide hole formed in the rear portion of the stopper body, so that the first locking piece is exposed to the outside through the first guide hole. Folding device of the supporting leg, characterized in that configured.
4. The method according to any one of claims 1 to 3,
An auxiliary fixing bracket which is formed in the same shape as the fixing bracket so that the lower end of the second supporting leg facing the supporting leg is rotatably connected;
An auxiliary folding member having one end rotatably connected to the second supporting leg and formed in the same shape as the folding member and disposed to face each other; And
A support leg folding device, characterized in that it is provided between the folding member and the auxiliary folding member, both ends of the support rod is inserted into the moving field hole.
5. The method of claim 4,
The support bracket folding apparatus, characterized in that it comprises a frame formed to be installed in pairs on both sides of the fixing bracket and the auxiliary fixing bracket installed to face each other from side to side.

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