CN2574489Y

CN2574489Y - Telescopic supporting leg of folding table and chair

Info

Publication number: CN2574489Y
Application number: CN 02254901
Authority: CN
Inventors: 陈高山
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-19
Filing date: 2002-09-19
Publication date: 2003-09-24
Anticipated expiration: 2012-09-19

Abstract

The utility model discloses a telescopic supporting foot of folding desks and chairs, which comprises a supporting rod and an upper rod sheath which is connected to the upper part of the supporting rod and is used for connecting a receiving and folding rod. The utility model is characterized in that the supporting rod is divided into a supporting piece and a sheathing piece which is sheathed with the lower segment of the supporting piece and can be correspondingly slid and the bottom segment part of the sheathing piece is used for connecting the receiving and folding rod. The utility model is applied to a telescopic bracket of folding desks and chairs. In the state of using support, bottom feet of the folding desks and the chairs have firm support and lower barycenter. The telescopic supporting foot of folding desks and chairs has the advantages of firmer use and difficult wobble.

Description

Amount to the extending foot of tables and chairs

Technical field

The utility model relates to the leg of amounting to tables and chairs, is meant that especially a kind of can drawing close fast folds expansion, firm more, the extending foot of amounting to tables and chairs that is difficult for rocking, can not causing unnecessary trouble in use.

Background technology

Many now people go for an outing in early spring to the field after often utilizing the leisure, barbecue or participate in outdoor activities, usually need equipment such as tables and chairs, and in order to cooperate outdoor use and to take the convenience of carrying into account, the state that tables and chairs can be designed to amount to usually uses; Referring to Fig. 1,2, upper end and a pin joint seat 12 bindings of support in rod member 11 of amounting to of known foldable table 1 are fixed, and are positioned at again to be arranged with a moving casing 13 outside the rod member 11 below pin joint seat 12, can slide along rod member 11 outer rims; When launching foldable table 1, moving casing 13 can be amounted to affecting of bar 14 and pin joint seat 12 because of having, and move to the place, top, stage casing of rod member 11 by the lower end position of rod member 11, at this moment whole mechanism has become a complete deployed condition, and the lower end of rod member 11 there is no fixing support, and its center of gravity is positioned at the upper limb of pin joint seat 12, by last, top-heavy during use, cause the disappearance of following points easily:

One, because of the table pin of foldable table 1 there is no firm support, can cause whole foldable table crank, and allow the consumer have in use that desk rolls frequently and puzzlement that thing is overturned easily.

Two, amount to furniture for easy to carry, its material is designed to the characteristic of light weight more, because of known foldable table 1 crank, in use bitter careless collision, whole table is easy to just can fall down to the ground disintegration, and the thing on the desktop also can drop fullly, makes the consumer in a rush, not only cause many troubles, also the good mood that the consumer is gone on a tour is destroyed nothing left.

Summary of the invention

The purpose of this utility model provides a kind of extending foot of amounting to tables and chairs, and its footing when launching to use has firm support, and center of gravity is lower, has the advantages that use more firmly, can not rolled easily or be collided the disintegration that just falls down to the ground.

The purpose of this utility model is achieved in that a kind of extending foot of amounting to tables and chairs, including support bar and be connected in support bar top can be for the upper boom cover of folded rod connection, it is characterized in that, the Coupling that described support bar is divided into support member from top to bottom and socket-connects and can slide relatively with the support member hypomere, the end section portion of Coupling connects for folded rod.During assembling, folded rod one end is connected in the outer rim of upper boom cover, and end then is connected in the end section portion outer rim of the Coupling of adjacent expansion leg in addition, and two folded rods that intersect can articulate in the intermediate interdigitated position, increases whole steadiness and reaches the performance that easily folds expansion; When folding, the upper boom cover can pin down the support member of support bar, makes Coupling move down, but can not break away from and the cooperating of support member; When launching, Coupling can be to top offset, and make support member in trepanning along with down landing, thereby make each footing of the integral telescopic support of forming by the utility model that firm support be arranged, center of gravity is positioned at the lower edge of Coupling, thus use firm more, be difficult for rocking.

Wherein, the connected mode of support member and upper boom cover is: the upper end of described support member is provided with a perforation, and a locking part passes described perforation and is placed on the open-work that the corresponding cooperation place of the upper boom cover on the support member is drilled with and links fixing.

The extending foot of amounting to tables and chairs provided by the utility model, the support member of its support bar and the socket of Coupling relation specifically can have two kinds: one, described Coupling is the tubular body of tool trepanning, and the hypomere of support member inserts in the described trepanning, and can slide in it; Its two, described Coupling can be solid rod-like body or tubular body, its epimere inserts the following intersegmental part of tubular supporting piece, and can slide in it.

The extending foot of amounting to tables and chairs provided by the utility model, the top of its support member protrude in the upper end of upper boom cover; Perhaps, described upper boom cover is fixed in the upper end of support member, and the top of support member is equal neat with the last ora terminalis of upper boom cover.

Correspondingly, another kind of embodiment of the present utility model is: a kind of extending foot of amounting to tables and chairs, include the low stem casing of Gong the folded rod connection of support bar and support bar bottom connection, it is characterized in that, the support member that described support bar is divided into Coupling from top to bottom and socket-connects and can slide relatively with the Coupling hypomere, the epimere portion of Coupling connects for folded rod.

When it folded, Coupling can up move, but can not break away from pining down of support member; Again when it launches, Coupling is toward bottom offset, and when amounting to tables and chairs and launch fixedly, the top of support member is in the interior location place, upper end of Coupling.

In sum, the utility model is connected in the bottom edge of extending foot and the apical margin of adjacent expansion leg because of two links with cross-coupled folded rod, thereby make its footing have firm support in use, whole Zhang Zhehe tables and chairs center of gravity is obviously descended, thereby firm more when using, be difficult for having rocked, having reduced the puzzlement that allows the consumer in use roll frequently thing is overturned easily because of desk, can not cause unnecessary trouble; Because of support bar of the present utility model is divided into the support member and the Coupling of mutual socket, so when launching to fold, the two is slippage mutually not, thereby make structure more firm, fold and launch conveniently fast, and it is damaged to be difficult for disintegrating, total quality is increased to some extent, so center of gravity is more steady.

Description of drawings

Fig. 1 is that the solid of known foldable table is launched the user mode schematic diagram.

Fig. 2 looks the collapse state schematic diagram for the master of known foldable table.

Fig. 3 is the three-dimensional user mode schematic diagram of implementing of the present utility model.

Fig. 4 is a three-dimensional exploded view of the present utility model.

Fig. 5 analyses and observe the action schematic diagram for plane of the present utility model combination.

Fig. 6 is a three-dimensional combination action schematic diagram of the present utility model.

Fig. 7 looks the collapse state schematic diagram for master of the present utility model.

Fig. 8 is the cutaway view of another preferred embodiment of the present utility model ().

Fig. 9 is the cutaway view of another preferred embodiment of the present utility model (two).

Figure 10 is the cutaway view of another preferred embodiment of the present utility model (three).

Figure 11 is the schematic perspective view of another embodiment fold-down seat of the present utility model.

Figure 12 is that the action schematic diagram is analysed and observe in the combination of the former fold-down seat of embodiment (three) extension.

The specific embodiment

Referring to Fig. 3-6, the extending foot of amounting to tables and chairs of the present utility model, mainly comprise support member 21 that upper boom cover 22, support bar 2 are divided into and the Coupling 23 that socket-connects and can slide relatively with support member 21 hypomeres from top to bottom, the end section portion of Coupling 23 connects for folded rod 3; Coupling 23 epimeres are provided with a trepanning 231, can insert for the hypomere of support member 21 and slide within it; The upper end of support member 21 is provided with a perforation 211, and upper boom cover 22 utilizes bolt 24 to penetrate open-work 221 that upper boom cover 22 places of being mated are drilled with and links fixingly after being inserted in support member 21, and the top of support member 21 protrudes in upper boom and overlaps 22 upper end; During assembling, folded rod 3 one ends are fixed in the outer rim of upper boom cover 22, and the end in addition of folded rod 3 then is fixed in the bottom edge of the Coupling 23 of adjacent expansion leg; Referring to Fig. 7, when folding, upper boom cover 22 can pin down support member 21, makes Coupling 23 move down, but can not break away from and the cooperating of support member 21; In addition when launching, Coupling 23 can be to top offset, and make support member 21 in trepanning 231 along with down landing; So the whole center of gravity of the telescope support of amounting to tables and chairs that the utility model is formed obviously descends, and is positioned at the lower edge of Coupling 23, thereby can have produced following several advantages:

One, because of Coupling 23 is positioned at the lower end of support bar 2, when foldable table launches, but the firm overall structure of holdback force of nationality Coupling 23 and upper boom cover 22 allows the consumer no longer include in use that desktop rolls often and the puzzlement of overturning thing is all arranged at any time.

Two, very steady because of center of gravity of the present utility model, so when using out of doors, as colliding foldable table because of carelessness, also not having falls down to the ground disintegrates or thing falls full ground and so disappointing thing takes place.

Referring to Fig. 8, be another preferred embodiment of the utility model (), Coupling 23 can be solid rod-like body or tubular body, 21 times intersegmental parts of support member of tubulose are inserted in its upper end, and when folding, support member 21 is pining down upper boom cover 22, make Coupling 23 move down, but be unlikely to break away from and the cooperating of support member 21, during expansion, Coupling 23 can be along support member 21 to top offset; Referring to Fig. 9, be another preferred embodiment (two) that its upper boom cover 22 is fixed in the upper surface of support member 21, and the last ora terminalis of the top of support member 21 and upper boom cover 22 pastes neat; Referring to Figure 10, be another preferred embodiment (three), the extending foot of present embodiment comprises the low stem casing 53 of Gong folded rod 3 connections that support bar 5 and support bar 5 lower ends are connected and fixed, the support member 52 that described support bar 5 is divided into Coupling 51 from top to bottom and socket-connects and can slide relatively with Coupling 51 hypomeres, the epimere portion of Coupling 51 connects for folded rod 3, the epimere of support member 52 inserts in the Coupling 51, when it folds, Coupling 51 can up move, but can not break away from pining down of support member 52, when it launched, Coupling 51 was toward bottom offset again, and when it launched fixedly, the top of support member 52 was in the interior location place, upper end of Coupling 51.

Referring to Figure 11, another preferred embodiment of the present utility model, it is a fold-down seat, the telescope support that the fold-down seat 4 of this embodiment adopts the utility model extending foot 2 to combine, its footing when launching to use has firm support, center of gravity is lower, uses more firmly, can not roll easily.

Referring to Figure 12, be the original bill that preferred embodiment of the present utility model (three) is extended in addition, the stretching structure of former fold-down seat is in filing an application a few days ago, and the support bar 5 of this stretching structure comprises a low stem casing 53, is fixedly linked on the lower end of support member 52; Insert in the Coupling 51 that places the top upper end of support member 52; And when launching fixedly, the top of support member 52 protrudes in the upper end of Coupling 51; When folding, Coupling 51 can up move but can not break away from support member 52, and when launching, Coupling 51 can be along support member 52 downward landings.

In sum, the utlity model has use firm, be difficult for rocking, be not easy to knock over and cause trouble, this is great advantage of the present utility model and effect, so the utility model really belongs to the novel creation of a tool progressive, practicality, the spy files an application in accordance with the law.

Claims

1, a kind of extending foot of amounting to tables and chairs, including support bar and be connected in support bar top can be for the upper boom cover of folded rod connection, it is characterized in that, the Coupling that described support bar is divided into support member from top to bottom and socket-connects and can slide relatively with the support member hypomere, the end section portion of Coupling connects for folded rod.

2, the extending foot of amounting to tables and chairs according to claim 1 is characterized in that, the upper end of described support member is provided with a perforation, and a locking part passes described perforation and is placed on the open-work that the corresponding cooperation place of the upper boom cover on the support member is drilled with and links fixing.

3, the extending foot of amounting to tables and chairs according to claim 1 and 2 is characterized in that, described Coupling is the tubular body of tool trepanning, and the hypomere of support member inserts in the described trepanning, and can slide in it.

4, the extending foot of amounting to tables and chairs according to claim 1 and 2 is characterized in that, the epimere of described Coupling inserts the following intersegmental part of tubular supporting piece, and can slide in it.

5, the extending foot of amounting to tables and chairs according to claim 1 and 2 is characterized in that, the top of described support member protrudes in the upper end of upper boom cover.

6, the extending foot of amounting to tables and chairs according to claim 1 and 2 is characterized in that, described upper boom cover is fixed in the upper end of support member, and the top of support member is equal neat with the last ora terminalis of upper boom cover.

7, a kind of extending foot of amounting to tables and chairs, include the low stem casing of Gong the folded rod connection of support bar and support bar bottom connection, it is characterized in that, the support member that described support bar is divided into Coupling from top to bottom and socket-connects and can slide relatively with the Coupling hypomere, the epimere portion of Coupling connects for folded rod.

8, the extending foot of amounting to tables and chairs according to claim 7 is characterized in that, the top of described support member is in amounting to the interior location place, upper end that tables and chairs launch to be under the stationary state Coupling.