CN2456539Y

CN2456539Y - Improved folding device for table legs

Info

Publication number: CN2456539Y
Application number: CN 00265957
Authority: CN
Inventors: 黄庆树
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-22
Filing date: 2000-12-22
Publication date: 2001-10-31
Anticipated expiration: 2010-12-22

Abstract

The utility model relates to an improved folding device structure for table legs, which mainly comprises a seat plate of a table leg seat, which is provided with an arc convex surface and a clamping and fixing convex block. The front end of a table plate seat is provided with a through hole. A spring and a control rod with a positioning block are arranged between the table leg seat and the table plate seat. The positioning block is provided with a concave arc surface, the table leg seat can be abutted and positioned to form a vertical state with the table plate seat through the positioning block. As a consequence, the table legs can have open and supporting functions and favorable abutting and positioning effects. When table legs are folded and collected, a user only needs to press the control rod, and the table leg seat and the assembled table legs thereof can be bent and folded. The utility model has the advantages of very simple and convenient operation, labor saving, high speed and no direction. The utility model is suitable for various angles, and as a consequence, the utility model can achieve excellent practicality and promotion effect.

Description

Improved table leg folders

The utility model relates to a kind of table leg folders, be table leg seat, the desk-board seat of improveing folders, the element structure that reaches control fastening, bending, make it to have the effect of simple and easy, quick, convenient, laborsaving, the directionless angle limits scope of application of operation, obtain the better practicality territory of table leg folders and promote effect.

The table leg folders is a combined integrated member between a kind of pedestal table leg, table, can allow table leg open and support table, receive the Zhe table leg and be affixed on a bottom surface and reduce volume.Yet, known table leg folders, structure is as Fig. 1, shown in 2, comprise table leg seat 10, desk-board seat 20, table leg seat 10 is provided with fixing hole 3 for assembling table leg 6, and the upper end bilateral is provided with seat board 11, seat board 11 be provided with riveted axis hole 2 and wherein one be provided with fastening groove 12, desk-board seat 20 She Cheng Xi shapes also have riveted axis hole 2, and it is combined integrated to cooperate riveted axle 1 to get public table leg seat 10 riveteds, table leg seat 10 also is rotatable, desk-board seat 20 upper ends are provided with tool fixing hole 3 for assembling table 5, and are provided with corresponding strip chute 22, rivet hole 4, and wear group a positioning rod 23, Hou is held and is provided with to collude and decides piece 25 in the desk-board seat 20, be linked to backstay 23 and must assemble a tension spring 24, make backstay 23 when not stressed operation, keep fastening in the fastening groove 12 of table leg seat 10.Its function of use is: be in table leg 6 and open, when supporting the user mode of table 5, as shown in Figure 2, table leg seat 10 public desk-board seats 20 are mutual plumbness, backstay 23 is subjected to the effect of tension spring 24, and snap in the fastening groove 11 of table leg seat 10 seat boards 11, make table leg seat 10 be subjected to jam, and not bent start, when desire bending table leg 6, shown in Fig. 2 dotted line, backstay 23 is outwards pulled, made it fastening groove 12, table leg seat 10 promptly no longer is subjected to jam, therefore, can to table 5 bottom surface direction bendings, make table leg 6 reduce volume table leg seat 10 and table leg 6 thereof to being affixed on the table bottom surface; Above-mentioned, though can obtain bending the purpose of table leg, but have following shortcoming: (1) operation when vertical fastening state is desired to be bending, because of table 5 weight press down, via desk-board seat 20, and make backstay 23 fastenings in table leg seat 10 fastening grooves 12, also be to be a kind of " backstay 23 is fixed by folder ", again because of table weight, and make backstay 23 by powerful folder fixed (fastening), need utmost point effort to stir when causing operation.(2) when the side of table 5 is provided with the desk use of return moldings plate 7 decorations, can be as shown in Figure 3, control lever 23 is in close return moldings plate 7 places, because of return moldings plate 7 is blocked in outer side edges, and can form narrow space H, be difficult for stretching into, stirring of hand finger, and extremely be inconvenient to operate.Improve the problem of Fig. 3 narrow space H as desire, then folders must be set as left and right type same specification, that is, control lever must design and be formed in left side, right side, the side does not have the problem that is in narrow space, just make two kinds of specifications, increase mould, make the different cost of formality, and select for use inconvenient.

The purpose of this utility model is to provide a kind of improved table leg folders, and this structure is easy to use, laborsaving, can form splendid fastening effect, and operation only need be pushes and can finish; And this structure does not have the problem of left and right side narrow space restriction, and convenient desk in response to different kenels uses.

A kind of improved table leg folders structure, comprise table leg seat, desk-board seat, the table leg seat is provided with fixing hole for the assembling table leg, its upper end bilateral is provided with the seat board of tool riveted axis hole, desk-board seat is set as the  shape, it also is provided with the riveted axis hole, and just can coats the seat board that support to paste the table leg seat, cooperates the riveted axle and table leg seat, desk-board seat is combined integrated, and being the table leg seat can be according to control and rotation and fastening.The desk-board seat upper end is provided with the seat board of fixing hole, and the pedestal table plate is combined integrated; It is characterized in that:

The seat board of this table leg seat, front end are provided with the bottom edge that is extended below the fastening projection of one protrusion, are set as arc convex surface; One side of this desk-board seat is provided with the perforation that combination axis hole, front end are established strip, and can assemble a control lever with fixed piece, it is to be designed to locating piece to have the riveted axis hole, and can cooperate the riveted axle be combined in desk-board seat the combination axis hole, be rotatable, locating piece also is provided with the fastening hole, and can be for an end of insert group power spring, the other end is resisted against the preceding madial wall of desk-board seat, and itself and cover are organized in the riveted axle.The control lever of locating piece is to be exposed to the desk-board seat front end by perforation, locating piece is corresponding to the end of table leg seat seat board cambered surface, be provided with cancave cambered surface, and can be arc surface to being affixed on the seat board arc convex surface according to control operation, allow the table leg of table leg seat and assembling thereof be bending state, the angle that also can be locating piece makes table leg seat and desk-board seat be 90 degree plumbness to hindering in table leg seat seat board fastening projection, and table leg promptly is the state that supports table;

Be exposed to the front end of desk-board seat according to the above-mentioned structure and the control lever of locating piece, support, bend the operation that reduces volume, reach simple and easy, quick, laborsaving and operate effect easily and table leg is upheld.

The utlity model has the known table leg folders of following accompanying drawing: Fig. 1 three-dimensional exploded view.Look (B) outer schematic diagram of looking in the known table leg folders of Fig. 2 usage operation (A).End when the known table leg folders of Fig. 3 is used in the desk with return moldings plate is looked and the sectional perspective schematic diagram.Fig. 4 three-dimensional exploded view Fig. 5 of the present utility model combination partial sectional perspective view of the present utility model.Schematic diagram (B) bending when 6 user modes of the present utility model (A) support table has the side-looking plate.Fig. 7 table leg that makes of the present utility model is (A) plumbness (signal and the top view thereof of B gradient state.Fig. 8 enforcement illustration that is tension spring of the present utility model.

Below in conjunction with drawings and Examples the utility model is described in detail:

See also Fig. 4,5,6 (A), 6 (B), be to comprise table leg seat 30, desk-board seat 40, table leg seat 30 is provided with fixing hole 3 for assembling table leg 6, its upper end bilateral is provided with the seat board 31 with riveted axis hole 2, desk-board seat 40 She Cheng Xi shapes, it also is provided with riveted axis hole 2, and just can coats the seat board 31 that support to paste table leg seat 30, cooperates riveted axle 1 and table leg seat 30, desk-board seat 40 is combined integrated, and being table leg seat 30 can be according to control and rotation and fastening.Desk-board seat 40 upper ends are provided with the seat board 41 of tool fixing hole 3, and pedestal table plate 5 is combined integrated; It is characterized in that: the seat board 31 of this table leg seat 30, front end are provided with the fastening projection 32 that one is protruded, and the bottom edge that extend fastening projection 32 belows is set as arc convex surface 310; The riveted axis hole 2 of seat board 31, be set as forward slightly eccentric, be not in the center of seat board 31, and two jiaos of table leg seat 30 upper ends are provided with the resistance that one outwards protrudes and decide projection 33, resistance decide projection 33 and can and be established according to setting to be and bend an angle or horizontal linear;

One side of this desk-board seat 40 is provided with combination axis hole 42, front end is established the perforation 43 of strip, and can assemble a control lever 52 with locating piece 50, it is to be set as locating piece 50 to have riveted axis hole 2, and can cooperate riveted axle 1 to be combined in the combination axis hole 42 of desk-board seat 40, be rotatable, locating piece 50 also is provided with fastening hole 51, and can be for an end of insert group power spring 53, power spring 53 is like the shape of falling V, its cover is organized in riveted axle 1, the other end is resisted against the preceding madial wall of desk-board seat 40, the control lever 52 of locating piece 50 is to be exposed to desk-board seat 40 front ends by perforation 43, locating piece 50 is corresponding to the end of table leg seat 30 seat boards 31 arc convex surfaces 310, be provided with cancave cambered surface 501, and can be arc surface to being affixed on seat board 31 arc convex surfaces 310 according to control operation, allow the table leg of table leg seat 30 and assembling thereof be bending state, the angle that also can be locating piece 50 makes table leg seat 30 and desk-board seat 40 be 90 degree plumbness to hindering in table leg seat 30 seat boards 31 fastening projections 32, and table leg promptly is the state that supports table.

By above-mentioned formation, use of the present utility model, effect are described as follows with regard to detail again:

When the user mode of table glove, shown in Fig. 6 (A), table leg 30 is to be the vertical state of 90 degree with desk-board seat 40, and its locating piece 50 is subjected to the effect of power spring 53 tension force, and impelling locating piece 50 inclined to one side forward, it just heads on the fastening projection 32 of table leg seat 30 seat boards 31.In other words, it is the fastening projection 32 of table leg seat 30

seat boards

31,50 jams of piece that are positioned, that is locating piece 50 is in riveted axle 1 place, be a fulcrum, and, form balance or cancel each other fixed point D1, D2 again at fastening projection 32 and locating piece 50 contact point places, control lever 52 and desk-board seat 40 perforation 43 bottoms conflict point place, and be the fastening point of a triangular shape, can make the seat board 31 of table leg seat 30 fixed, non-rotatable, can keep table leg seat 30 to be vertical state by resistance.From the above, be subjected to locating piece 50 to be inserted resistance with fastening projection 32 and decide, can form splendid resistance and decide the power effect, remove the non-artificial control lever 52 of pulling, otherwise fastening projection 32 definitely can be subjected to jam, does not have to misroute moving worry.

When desire bending table leg 6, shown in Fig. 6 (B), be that control lever 52 is upwards pushed, and fastening projection 32 scopes that can make its locating piece 50 rotate and then deviate from table leg seat 30 seat boards 31, fastening projection 32 is stopped by locating piece 50 promptly no longer, and can allow seat board 31 rotate, promptly bent table leg seat 30 and table leg 6 thereof are the parallel state of public table 5.Table leg seat 30 seat boards 31, locating piece 50 are respectively equipped with mutual arc convex surface 310, cancave cambered surface 510 to favour, the tension force that cooperates power spring 53, be affixed on seat board 31 and can make locating piece 50 keep supporting, this can get two efficacy advantages: the cancave cambered surface 510 of (1) locating piece just is and is resisted against seat board 31 lower end arc convex surfaces 310, and has the effect that keeps table leg seat 30 to be the level of state; (2) when desiring to be public desk-board seat 40 once again and use in vertical state, once the switching effect of counter-rotating, seat board 31 can keep to being affixed on locating piece 50, during to the breach of fastening projection 32, locating piece can be immediately, insert and jam seat board 31 automatically, reaction fast, sensitive, accurately.

From above-mentioned explanation as can be known, during the utility model desire bending table leg seat 30 (tables 5), only need push control lever 52, i.e. table leg fastenedly, otherwise, when the desire answer is table leg support table, only need counter-rotating, can be the card people automatically, locate the state that is vertical support, so " push " operation, operate simple and easyly, quick, laborsaving, be set as the arc angle action of arc convex surface 310, cancave cambered surface 501 again, also can rotate along the width of cloth, labour-saving effect.

When table 5 has return moldings plate 7, shown in Fig. 6 (C), control lever 52 of the present utility model is the front end that is exposed to desk-board seat 40, is not side, therefore, do not have the problem that is in return moldings plate 7 place's narrow spaces, the position of front end is open, and the operation that makes things convenient for hand to point, needn't need the left and right type specification of processing and manufacturing as known technology, the utility model is applicable to each position, and practicality is extensive.

The utility model can implement to be the kenel of Fig. 7 (A), Fig. 7 (B), Fig. 8 aspect other additional effect, be described as follows now:

Fig. 7 (A), be that the last terminal filament both sides of this real table leg seat 30 are provided with resistance and decide the riveted axis hole 2 of projection 33 and seat board thereof and are eccentric,, can increase a length to hindering in the ora terminalis of desk-board seat 40 so hinder when deciding projection 33 and being bending angle, though and make table leg seat 30 be eccentric combination, also can be vertical state.Fig. 7 (B) makes table leg 6 be the holding state of " eight " word shape, be that projection 33 is decided in the resistance of table leg seat 30, be designed to " horizontal linear " shape, not the curved angle of circle 7 (A), cooperate table leg seat 30 seat boards 31 to be the width of cloth heart again and be combined in desk-board seat 40, therefore, resistance is decided projection 33 few length to hindering in desk-board seat 40, so can allow table leg seat 30 be non-perpendicular state, promptly get table leg 6 and be outer oblique " eight " word shape support, and the effect that enlarges end Area of bearing is arranged.

That is the utility model can be set the different support angles of table leg by setting the angle that projection 33 is decided in the resistance of table leg seat, has practicality widely.

Fig. 8, it is the spring of the utility model control locating piece 50, also can adopt tension spring 530 flexible members such as grade of straight shape, be exactly that table leg seat 30 is provided with to collude and decides piece 34 for an end that colludes group one tension spring 530, the other end of tension spring 530 then colludes the fastening hole of organizing in locating piece 50 51, and also can make locating piece 50 keep belonging to the enforcement of the utility model equivalent structure to being affixed on seat board 31 or jam in the effect of fastening projection 32.

In sum, structure of the present utility model is different from known technology really, have the innovation of shape structure, and the effect of being reached also has practical effect.

Claims

1. improved table leg folders, it comprises table leg seat (30), desk-board seat (40), table leg seat (30) is provided with fixing hole (3) for the assembling table leg, its upper end bilateral is provided with the seat board (31) of tool riveted axis hole (2), desk-board seat (40) She Cheng Xi shapes, it also is provided with riveted axis hole (2), and just can coat to the seat board (31) that pastes the table leg seat, cooperate riveted axle (1) and with table leg seat (30), desk-board seat (40) is combined integrated, being table leg seat (30) can rotate and fastening according to control, desk-board seat (40) upper end is provided with the seat board (41) of tool fixing hole (3), and the pedestal table plate is combined integrated; It is characterized in that: the seat board (31) of this table leg seat (30), front end are provided with the fastening projection (32) that one is protruded, and the bottom edge that fastening projection (32) below is extended is set as arc convex surface (310);

One side of this desk-board seat (40) is provided with combination axis hole (42), front end is established the perforation (43) of strip, and must assemble a control lever (52) with locating piece (50), it is to be set as locating piece (50) to have riveted axis hole (2), and must cooperate the riveted axle to be combined in the combination axis hole (42) of desk-board seat (40), be rotatable, locating piece (50) also is provided with fastening hole (51), and must be for an end of insert group power spring (53), the other end is resisted against the preceding madial wall of desk-board seat (40), it is cover group riveted axle (1) also, the control lever (52) of locating piece (50) is to be exposed to desk-board seat (40) front end by perforation (43), locating piece is corresponding to the end of table leg seat seat board (31) arc convex surface (310), be provided with cancave cambered surface (501), and can be cambered surface to being affixed on seat board arc convex surface (310) according to control operation, allow the table leg of table leg seat (30) and assembling thereof be bending state, the angle that also can be locating piece (50) is to hindering in table leg seat seat board (31) fastening projection (32), make table leg seat (30) and desk-board seat (40) be 90 degree plumbness, table leg promptly is the state that supports table.

2. improved table leg folders as claimed in claim 1, it is characterized in that, the riveted axis hole (2) of this table leg seat (30) seat board (31), be set as forward slightly eccentric, be not center in seat board, and two jiaos of table runners (30) upper end are provided with the resistance that one outwards protrudes and decide projection (33), and resistance decide projection (33) and can and be established according to setting to be and bend an angle or horizontal linear, and then make table leg be vertical angle or be outer rake angle, table leg is the state of vertical or outer bearing diagonal.

3. improved table leg folders as claimed in claim 1 wherein is characterised in that, the spring (53) that this acts on locating piece (50) also can adopt the flexible members such as tension spring of straight shape.