CN2245898Y

CN2245898Y - Conjunction structure of folding desk leg

Info

Publication number: CN2245898Y
Application number: CN 96213842
Authority: CN
Inventors: 薛文松
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-24
Filing date: 1996-06-24
Publication date: 1997-01-29
Anticipated expiration: 2006-06-24

Abstract

The utility model relates to a combining structure for a folding table leg, mainly pivoted by a main pivot base and an auxiliary pivot base, wherein, one end of the main pivot base is provided with a main wing plate, and the other end is provided with an insert chamber which can be inserted in an extensible mode with a table bottom frame; the auxiliary pivot base is arranged in an extensible mode with an auxiliary wing plate, and the inner part of the auxiliary pivot base forms a pivot insert groove which can be inserted with the table leg and lock the table leg; the main wing plate of the main pivot base extends into the auxiliary wing plate and is pivoted in the auxiliary wing plate, and the purpose of safe use and convenient replacement is achieved.

Description

The integrated structure of convertible table leg

The utility model is a kind of integrated structure of convertible table leg, mainly be pivoted mutually and form by main pivot seat and secondary pivot seat, wherein, main pivot seat is in conjunction with the table underframe, secondary pivot seat is in conjunction with table leg, table leg is by rolling over when the table underframe, and major and minor pivot seat avris does not have highlight fully, thereby folding is provided and takes and all do not scrape the safe effect of hurting sb.'s feelings; Provide the convenient effect of can change the outfit separately dismounting table leg and table underframe again, the trouble that need not wholely change the outfit.

In each company's row number or office, meet colleague's rally and all need conference table, and the present form of conference table is a table leg is convertible, the combination of table leg and desktop is generally at desktop bottom lock and establishes a underframe, table underframe four ends welding Jiong shape pivot ear seat, make the be pivoted table leg of Jiong shape of pivot ear seat end, make table leg with a little inside pivot folding that is pivoted, but form the table leg folding state.

The combination disadvantage of the common table leg of this kind mainly contains:

1. the pivot ear seat owing to the table leg that is pivoted is welded into one with a table underframe, so pivot ear seat fracture occurs with table underframe pivot part, bends when damaging, the table underframe all must abandon together with pivot ear seat, must again get system table underframe and pivot ear seat, so, the very cost of idleness that changes the outfit; The table underframe of supporting desktop weight and table leg generally adopt welding manner on being connected simultaneously, make this place produce stress and concentrate, cause support strength not enough solid, firm, especially be area of stress concentration because of this place, often make the position of wrecking, bending near this district, cause structural strength poor.

2. be the rectangle framework because of table leg, and the position of the pivot ear seat that table leg is pivoted, must consider that sufficient space is able to folding, do not cause table leg to be stuck between pivot ear seat, after table leg is rolled over toward interior pivot, the table leg width then move to the below, give prominence to significantly in fact in pivot ear seat lower end, with pivot ear seat from obvious thickness is arranged, be easy to process bad burr because of table leg, cause hand when folding contacts, be the scratch of the outstanding pivot ear seat position institute of table leg, cause the injured danger of human body, folding or the safety in utilization utmost point of opening table leg are waited to improve.

The inventor is at common structure security deficiency in the use, and the shortcoming that structural strength is not enough with professional experiences and gains in depth of comprehension for many years, is tested concentratedly and studied, and improves repeatedly, works out design of the present utility model.

The purpose of this utility model provides a kind of integrated structure of folding desk leg, is made of the main trunnion mount that mutually is pivoted and secondary trunnion mount, main trunnion mount locking table underframe, secondary trunnion mount lock is established table leg, when the mutual pivot of major and minor trunnion mount leaned on, presenting did not have the smooth limit on outstanding limit face fully, improved the safe handling property; While can reach a underframe and table leg is disassembled separately the convenience effect that changes the outfit.

The purpose of this utility model realizes by the following technical solutions: a kind of integrated structure of folding desk leg, mainly formed by main trunnion mount and secondary trunnion mount, and the bottom surface of desktop is provided with a underframe, and table underframe quadripolar corners connects establishes table leg;

Main trunnion mount and secondary trunnion mount are symmetry shape, and end both sides of main trunnion mount framework are provided with minor flap, and other end extension is provided with the plug-in mounting chamber that the pedestal table underframe plugs, this plug-in mounting chamber locker table underframe; One end both sides of secondary trunnion mount extend into aileron sheet arranged side by side, and the inner slightly wide pivot slot of more main trunnion mount that forms is in order to lock slotting table leg, and simultaneously, the minor flap of this main trunnion mount stretches in the aileron sheet and pivot presss from both sides wherein;

Big slightly around the plug-in mounting chamber of this main pivot seat, it becomes to edge with all lateral processes between main pivot seat joins, pedestal table underframe end face against, this plug-in mounting chamber is the same with the width of secondary pivot seat; Minor flap and aileron sheet are central point with the perforation, and this perforation is same outer diameter as circular arc degree; The also extensible plug-in mounting chamber that is provided with to edge of described secondary pivot seat.The set perforation of this main trunnion mount can be offered and is the shape.

The utlity model has following major advantage:

1. change the outfit conveniently, support strength is higher, only need major and

minor pivot seat

10 and 20 to be pivoted mutually and can to constitute, group is established very simple and easy, do not need welding equipment fully, save man-hour, table underframe 40 and table leg 50 change the outfit very convenient, if table underframe 40 has bending, only need drift bolt 2 is taken off, table underframe 40 is unclamped disengaging plug-in mounting chamber 12, change the outfit again other prop up a underframe 40 again insert group get final product, in like manner, if table leg 50 bending fracture, with the method table leg 50 that changes the outfit, only need changing the outfit separately of individual formula, quite convenient, and have flexibility; Because of major and

minor pivot seat

10 and 20 is located table underframe 40 and table leg 50 securely, major and

minor pivot seat

10 and 20 has the folded mutually contact-making surface that leans on, and increases support force and unjointed problem of stress concentration, and support effect is preferable.

2. use safety, because of major and

minor trunnion mount

10 and 20 when folding or the deployed condition, whole periphery presents neat sideline, the burr that have no to give prominence to occur, especially fold side by side the state that leans on after the folding, the minor flap 11 of main trunnion mount 10 is received be hidden in the secondary trunnion mount 20 fully, becomes neat sideline arranged side by side face, when folding and expansion, do not have the possibility of outstanding limit scratch, the security of use is provided.

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is an outward appearance exploded view of the present utility model.

Fig. 2 is of the present utility model in conjunction with outside drawing.

Fig. 3 is a folding outside drawing of the present utility model.

Fig. 4 is that desktop of the present utility model is in conjunction with schematic diagram.

Fig. 5 is the outward appearance exploded view of embodiment 2 of the present utility model.

Consult accompanying drawing: the utility model is a kind of integrated structure of convertible table leg, mainly form by main pivot seat 10 and secondary pivot seat 20, major and

minor pivot seat

10 and 20 is symmetry status, main pivot seat 10 is the framework of Jiong shape, at one end both sides extend into than large tracts of land and have the minor flap 11 of perforation 111, the other end extends into the big slightly plug-in mounting chamber 12 of girth, and all sides between plug-in mounting chamber 12 and main pivot seat 10 join projection are slightly supported edge 13, these plug-in mounting chamber 12 locker table underframes 40.The similar main trunnion mount 10 of shape of secondary trunnion mount 20, at one end both sides extend into aileron sheet 21 arranged side by side, the inner pivot slot 22 that forms, and the more main trunnion mount of this well width is slightly big, can hold the minor flap 11 of main trunnion mount 10 and insert, the following lock of the pivot slot 22 of secondary trunnion mount 20 is inserted table leg 50.In addition, secondary trunnion mount 20 also can be provided with identical with the main trunnion mount 10 plug-in mounting chamber 12 that has to edge 13.

The table leg group is established with the folding order and is seen also Fig. 1, Fig. 2 and Fig. 4, at first will lead,

secondary trunnion mount

10 and 20 assembles by drift bolt 1 earlier, namely main trunnion mount 10 is inserted aileron sheet 21 with its minor flap 11, make perforation 111 and 211 alignings that overlap, drift bolt 1 inserts perforation 111 and 211 and makes the master, aileron sheet 11 is identical arc surface with 21 highlights, main, aileron sheet 11 and 21 is pivoted and unlikely blocking mutually, this drift bolt 1 can cooperate rivet or bolt pivot to wear combination, main,

secondary trunnion mount

10 and 20 is to bore a hole 111 and 211 as the centring point pivot, simultaneously main,

secondary trunnion mount

10 and 20 master, aileron sheet 11 and 21 s' space can cooperate arc-like sheet solid in addition, makes the master, secondary trunnion mount 10 with 20 mutually to the inside between tight.This moment is when wanting in conjunction with desktop, with table leg 50 by secondary trunnion mount 20 bottoms insert pivot slot 22 to aileron sheet 21 with upper/lower positions, set the position by drift bolt 2 locks subsequently, in like manner, table underframe 40 levels are inserted in the plug-in mounting chamber 12, support till support edge 13 until table underframe 40 is inserted, make the effects that a underframe 40 steady real location are provided to edge 13, again with table underframe 40 by drift bolt 2 rivetings if lock is established is fixed in the plug-in mounting chamber 12; Cooperate desktop 41 to be set up in a underframe 40, the opening angle of major and minor trunnion mount is by pivot sheet 70 location, and these pivot sheet 70 structures are prior art, so no longer describe in detail; During folding, take off earlier pivot sheet 70, again with secondary trunnion mount 20 in the main trunnion mounts 10 take mutual centring point as the axle pivot moves, make that the minor flap 111 of main trunnion mount 10 is hidden to be located at secondary trunnion mount 20 inside, and make plug-in mounting chamber 12 and pivot slot 22 and column position.

Consult Fig. 5, perforation 112 on the minor flap 11 that embodiment 2 of the present utility model is main pivot seat 10 can be offered and is the shape, in the time of in minor flap 11 places pivot slot 22, this perforation 211 is very easily to boring a hole 112, that is rivet or bolt 1 place easily, when main pivot seat 10 and secondary pivot seat 20 are combined into one, the demand of more realistic use.

Claims

1. the integrated structure of a folding desk leg mainly is made up of main trunnion mount and secondary trunnion mount, and the bottom surface of desktop is provided with a underframe, and table underframe quadripolar corners connects establishes table leg, it is characterized in that:

Main trunnion mount and secondary trunnion mount are symmetry shape, and end both sides of main trunnion mount framework are provided with minor flap, and other end extension is provided with the plug-in mounting chamber that the pedestal table underframe plugs, this plug-in mounting chamber locker table underframe; One end both sides of secondary trunnion mount extend into aileron sheet arranged side by side, and the inner slightly wide pivot slot of more main trunnion mount that forms is in order to lock slotting table leg, and simultaneously, the minor flap of this main trunnion mount stretches in the aileron sheet and pivot presss from both sides wherein.

2. the integrated structure of folding desk leg as claimed in claim 1 is characterized in that: slightly big around the plug-in mounting chamber of this main trunnion mount, it becomes to edge with all lateral processes between main trunnion mount is joined, pedestal table underframe end face against, this plug-in mounting chamber is the same with the width of secondary trunnion mount.

3. the integrated structure of folding desk leg as claimed in claim 1 is characterized in that: minor flap and aileron sheet be point centered by perforation, and this perforation is same outer diameter as circular arc degree.

4. as the integrated structure of claim 1 and 2 described convertible table legs, it is characterized in that: the also extensible plug-in mounting chamber that is provided with to edge of described secondary pivot seat.

5. the integrated structure of convertible table leg as claimed in claim 1 is characterized in that: the set perforation of this main pivot seat can be offered and is the shape.