WO2013139093A1

WO2013139093A1 - Folding device

Info

Publication number: WO2013139093A1
Application number: PCT/CN2012/077593
Authority: WO
Inventors: 曹康养; 关晓晖
Original assignee: 广州市金渡科技有限公司
Priority date: 2012-03-23
Filing date: 2012-06-27
Publication date: 2013-09-26
Also published as: CN202504566U

Abstract

A folding device, comprising a base (1); one end of the base (1) is hingedly connected to an upper base (3) embedded with a clamping tongue (2); the end of the clamping tongue (2) is provided with a first clamping claw (2a) extending from the bottom of the upper base (3), and the other end of the base (1) is provided with a second clamping claw (4) capable of being buckled with the first clamping claw (2a); the first clamping claw (2a) and the second clamping claw (4) on the clamping tongue (2) are tightly locked so as to form a locking mechanism for occlusion and locking, such that a table top is tightly connected to the table legs; one end of the clamping tongue (2) embedded in the upper base (3) presses against the upper base (3) via a resilient component (5), and the other end is connected to a push rod (6) extending out of the upper base (3). Pushing the push rod (6) to retract the clamp tongue (2) will separate the first clamping claw (2a) from the second clamping claw (4) at the end of the base (1), disconnect the table top from the table legs, and erect the table top to achieve the folding effect. The folding device is simple to operate, has a simple structure, uses few fittings, and is suitable for batch production; the installation can be easily completed by fixedly connecting the table top to the upper base (3), and connecting the base (1) to the top of the table legs.

Description

Technical field

The utility model relates to a folding device, in particular to a folding device used for folding tables. Background technique

Folding table, because it can be folded, easy to transport, place, occupy 3⁄4 space, etc., has become the daily use furniture of people's life. The folding table currently sold in the market, the knot is usually fixed, the table top is fixed in foldable On the legs, use the flat table to unfold the legs. When you are idle, flip the table vertically and fold the legs to reduce the space occupied by the table. At present, the folding table structure is usually complicated, the installation is inconvenient, the most important is that it has no locking function, the folding device has poor reliability, the table top is fixed on the table legs, and the flat table top is supported by the extended table chest. Just lift or press the end of the table with a little force to easily overturn the table, fold the table legs, fold the table automatically, and put the things placed on the table to be overturned. There is a safety problem. During use, Be careful to overthrow the desktop, and the items placed on the table are flipped, causing a lot of trouble for life. Summary of the invention

The utility model aims to provide a folding device which is safe and reliable, simple in structure and convenient to install.

The folding device of the present invention comprises a base, and one end of the base is hingedly connected to the upper seat with a tongue, the end of the tongue is provided with a claw protruding from the bottom of the upper seat, and the other end of the base is provided with a buckle with the claw In the combined claw 2, one end of the tongue built in the upper seat is opposite to the upper seat by an elastic member, and the other end is connected with a push rod extending from the upper seat.

In the folding device of the present invention, the base is provided with a claw 2 at one end, a tongue is built in the upper seat, and a card extending from the bottom of the base is provided at the end of the tongue, and the claw is engaged with the claw to form a locking mechanism. Locking, the upper seat is installed on the bottom of the table, the base is fixed on the top of the table legs, so that the table top and the table legs are tightly connected, and the table top is placed on the upper seat to rotate along the hinge position. When the card touches the card disposed at one end of the base, the tab is inserted. Move backwards. When moving to the upper seat and the base, under the action of the elastic part of the elastic part, the tab moves forward, so that the card-one and the claws on the tab are fastened and locked, and the table is in the bearing direction. The pressure will not be separated from the table legs. When the table is lifted, the table legs will move with it, ensuring a reliable connection between the table and the table legs, preventing the table from tipping over, safe and reliable; the end of the tab built into the upper seat Through elastic parts The other end is connected with a push rod that protrudes from the upper seat, pushes the pusher to retract the latch, and the card can be separated from the claw at the end of the base. The connection between the table and the foot is separated, and the table is vertical. From the beginning, it plays the role of folding and is easy to operate.

The folding device of the utility model is mainly composed of an upper seat with a tab and a base attached thereto, and constitutes a locking mechanism for locking the table top and the table leg. The structure is simple, the use of accessories is small, and the utility model is suitable for mass production. ; The desktop is fixedly connected to the upper seat, and the base is connected to the top of the table to complete the installation. The installation is very convenient. . DRAWINGS

Figure 1 is a cross-sectional view of an embodiment of the present invention.

Figure 2 is a cross-sectional view showing the pry open state of the present invention.

Figure 3 is a schematic view of the mounting structure of the present invention.

Figure 4 is a cross-sectional view of another embodiment of the present invention. detailed description

The present invention will be further described below in conjunction with the drawings.

1, 2 and 3, a folding device for a folding table is disclosed, which comprises a base 1 , one end of which is hingedly connected to the upper seat 3, and the upper seat 3 and the base 1 are rotatable about a hinge pin 8, the upper seat 3 and the base i It can be completely fitted. The upper seat 3 has a tongue 2 built therein. The end of the tongue 2 is provided with a base 1 - a claw 2a extending from the bottom, and the other end of the base 1 is provided with a card which can be engaged with the claw 2a. The claw 2, the tab 2 is built in the upper seat, one end of which is abutted against the inner wall of the upper seat 3 by an elastic member 5, and the other end is connected to the push rod 6 which protrudes from the upper seat 3.

3, the folding device of the present invention, the base] - one end is provided with a card / ii 2, the upper seat 3 has a tongue 2 built therein, and the end of the tab 2 is provided with a claw extending from the bottom of the base 1 2a is engaged with the claws 2, and the locking mechanism is engaged and locked. The base 1 and the upper seat 3 are provided with upper and lower mounting holes, and the base 1 and the table legs 10 are fixedly connected by bolts 1 1 , the upper seat 3 and the table top 9 The connecting piece is fixedly connected by the bolt 12 to make the table top and the table leg tightly connected. When the table top is lowered, the upper seat 3 is rotated along the hinge pin 8. When the claw 2a hits the claw 2 disposed at one end of the base 1, the tab 2 moves backward. When moving to the upper seat 3 and the base 1, when the elastic member 5 is pushed, the tab 2 moves forward, so that the claws 2a and the claws 2 on the tab 2 are locked and locked, and the table top is locked. It is connected with the table legs. The table top will not be separated from the table legs when subjected to downward pressure. When the table is lifted up, the table legs will move with it, ensuring the table and table legs. Reliable connection, prevent the desktop from tipping over, safe and reliable; the 2nd end of the tab built into the upper seat 3 is opposite to the inner wall of the upper seat 3 by the elastic member 5, and the other end is connected with the vertebral rod 6 extending from the upper seat, pushing the push rod 6 to make the tab 2 Retracting, the claw 2a can be separated from the claws 2 at the end of the base 1, and the connection between the table and the table legs is separated, the table is erected, and the folding function is performed, and the operation is convenient.

The folding device of the utility model mainly comprises an upper seat 3 with a tongue 2 and a base 1 attached thereto, and constitutes a locking mechanism. After the upper seat and the base are attached, the claws 1 and the claws are hidden in the upper seat. Between the base and the base, the structure is stable, and it is not affected by the outside world. The table top is locked with the table legs. The structure is simple, the accessories are few, and it is suitable for mass production. The desktop is fixedly connected with the upper seat, and the base is connected with the top of the table. Installation and installation are very convenient.

According to the folding device of the present invention, after repeated use, the claws 2a and the claws 2 are fastened multiple times, and the fastening surface 3a may cause a problem of insufficient fit due to wear, which affects the reliability of the locking machine. In order to avoid this problem, in order to avoid this problem, as shown in FIG. 4, another folding device is disclosed, and the engaging surface 3a of the claw 2a and the claw 2 is made into a non-horizontal inclined surface, so that the claw is After the fastening surface 3a of the 2a and the card 2/4 is worn, under the pushing action of the elastic member, it can still be closely fitted to achieve the purpose of the anastomosis, and the claw 2a and the claw 2 are locked, which is safe and reliable. , extend the life of the folding device.

In the folding device described above, the elastic member 5 is a spring, which is simple to install and quick in response, and can quickly push the tab 2 to be reset, and the claw 2a and the claw 2 are locked and locked.

Meanwhile, the above-mentioned stacking device, the elastic member 5 thereof, may also be a cylinder installed between the upper seat 3 and the tongue 2. After the upper seat 3 is lowered, the cylinder pushes the tongue 2 to be reset, and the card 2a and 2a are The claws 2 and 4 are fastened and locked, and the tabs 2 are reset. After the cylinder is buffered, the claws 2a and 2b are slowly fastened, and the impact strength of the claws 2a and 2b is reduced, and the wear is reduced. At the same time, reduce the collision between the upper seat and the base to reduce noise.

As shown in Fig. 1, Fig. 2, Fig. 3, in the folding device described above, the upper end of the upper seat 3 is provided with an upper cover 7 which can completely cover the upper seat, so as to ensure that the elastic member is not affected by the expansion and contraction, and the upper cover 7 and the upper seat 3 and the card are simultaneously The upper and lower sides of the tongue 2 are attached to each other, and the clamping tongue 2 is clamped to increase the strength of the hook 2 to make it more stable and to enhance the resistance to twisting.

In the above-mentioned stacking device, in order to make the connection between the base 1 and the claws 2 4 more reliable, the reliability of the folding device is ensured, and the structure of the folding device is simplified, and the base 1 and the claws 2 are integrally formed by die-casting, and are built in The tab 2 of the upper seat 3 and the card jj-2a are die-cast into a unitary structure.

Claims

WO 2013/139093 Claim PCT/CN2012/077593

A folding device comprising a base (1), characterized in that: one end of the base (1) is hingedly connected to an upper seat (3) having a built-in tab (2), and the end of the tab (2) is provided with a top seat (3) a claw (2a) extending from the bottom, and the other end of the base (1) is provided with a claw 2 (4) engageable with the claw (2a), and the tongue built in the upper seat (3) 2) One end is connected to the upper seat (3) through the elastic member (5). The other end is connected with a pusher (6) that protrudes from the upper seat (3).

The folding device according to claim 1, characterized in that the engaging surface (9) of the card/Γ, one (2a) and the card two (4) is a bevel.

3. Folding device according to claim 2, characterized in that the elastic member (5) is a spring.

The folding device according to claim 2, wherein the elastic member (5) is a cylinder.

A folding device according to claim 3 or 4, characterized in that the upper end of the upper seat (3) is provided with an upper cover (7) which can be covered.

The folding device according to claim 5, wherein the claws (4) and the base (1) disposed at the end of the base (1) are integrally formed by die-casting; The tab (2) of the upper seat (3) and the claw one (2a) are formed by die-casting.