CN2623926Y

CN2623926Y - Connection structure of support cross bar

Info

Publication number: CN2623926Y
Application number: CN 03216172
Authority: CN
Inventors: 陈棋镐; 金圣澔; 艾文
Original assignee: Xiamen Jinxiong Enterprise Co Ltd
Current assignee: Xiamen Jinxiong Enterprise Co Ltd
Priority date: 2003-04-04
Filing date: 2003-04-04
Publication date: 2004-07-07
Anticipated expiration: 2013-04-04

Abstract

The utility model provides a connecting structure with a bracket crossing pole. The connecting structure comprises four pin-connected trusses, two pole supports and a connector. The basal body of the connector is a sleeve. The outer wall body of the sleeve extends to the outside and forms a length of a bracket that forms a separation angle with the sleeve and whose upper side is a cambered slot. The connector is suited at the middle of a pole support by the sleeve; the other pole support hangs in the bracket of the connector. The ends of all the pole supports are pin-connected with the four pin-connected trusses. When shoving out, the two pole supports become an X-shaped connecting under the help of the connector. In addition, the supporting intensity and using life-span of the X-shaped connecting poles are enhanced under the help of the connector. When furled, the pole breaks away from the connector tie and displaces according the demand of the pin-connected trusses to increase the flexibility of the pole supports. Therefore, the utility model has advantages of increasing the supporting power of the bracket, decreasing the use of the poles and simplifying the structures.

Description

A kind of linkage structure of support crossbar

Technical field

The utility model relates to the furniture daily living article, relates in particular to facade is made of " X " shape rod member group, bracket with foldable structure.

Background technique

Chair, bed are a kind of important furniture daily living articles, no matter are that family room uses or the unit office is used, and all be unable to do without it, go out for convenience to carry, collection, accumulating, arise at the historic moment once this foldable chair that possesses folder function.And the many metal tubes that articulated by some groups two " X " shapes of the support of leisure chaise longue in the prior art, bed interconnect at the end of each arm by connecting base and form.

In the use, near the close pivoting point metal tube is when stressed, may concentrate because of moment of flexure stress and produce buckling phenomenon, conventional solution is to increase metal tube thickness or select more high-intensity metal tube for use, so not only can increase the weight and the cost of production of chair, and owing to each pipe end articulates by connecting base, two metal tubes that " X " shape articulates, the dynamics that can bear is less, therefore for increasing the holding strength of chair frame or bedstead, between relative up and down connecting base, also be provided with vertical rod and bear the strength that presses down, and vertical rod is for cooperating the mutual folding of each chair frame pole, the vertical rod meeting adopts flexible pipe structure or its connecting base to need to slide to realize the folder function of each support on pole, this structure has increased the use of rod member and the connecting structure of rod member, therefore also increase the complexity and the cost of chair shelf structure, also increased the weight of chair frame simultaneously, be not easy to transportation, carrying.

The model utility content

The purpose of this utility model is intended to overcome the deficiencies in the prior art, and a kind of linkage structure that increases a kind of support of holding strength, the use that reduces rod member and simplified structure is provided.

The technical scheme in the invention for solving the above technical problem is: a kind of linkage structure of support crossbar, comprise four pin joint seats, two poles and coupling, the end of two poles articulates with four pin joint seats respectively, the matrix of coupling is a sleeve, the outer wall of sleeve stretches out and forms one section carriage that the upper end is a curve bath, the shaft axis of carriage and sleeve body central axis constitute different surface beeline, be affiliated in the carriage of coupling when another pole is stressed in the neutral position that coupling is fixedly set in a pole by its sleeve.

Its part cylindrical shell of the sleeve of described coupling stretches out form to increase the length of carriage and the gusset of intensity, is provided with carriage in the same side of gusset and sleeve and joins together with it.

Between gusset and sleeve, also be provided with some rib.

Being provided with between carriage outer wall and sleeve outer wall and the gusset increases the coupling working strength and the rib in life-span.

The beneficial effects of the utility model are, because the neutral position that the sleeve of coupling is fixedly set in a pole, another pole is affiliated in the carriage of coupling, the end of each pole articulates with four pin joint seats respectively, and carriage is outward extending by the outer wall of sleeve, and be provided with certain angle between it and the sleeve, therefore two poles be the activity cross-join together.When two bars strut, the two is in the connection of " X " shape under the effect of coupling, and because the effect of coupling has also increased the support strength and the working life of " X " shape connecting rod group, has technology to compare with habit, reduce the use of pole, simplified the structure of support; And when two bars folded, because wherein pole being is affiliated in the carriage of coupling, so this bar can break away from the constraint of coupling when folding, and as required with the pin joint seat displacement, increased the flexibility that support uses.Therefore the utlity model has advantages such as the holding strength that can increase support, the use that reduces rod member, simplification supporting structure.

Description of drawings

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

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the plan view of the utility model coupling;

Fig. 3 is the right elevation of Fig. 2;

Fig. 4 is the plan view of Fig. 2;

Fig. 5 is the stereogram of Fig. 2;

Fig. 6 is that the utility model is used for the open configuration figure on the chair frame;

Fig. 7 is the collapse state figure of Fig. 6.

Embodiment

Embodiment, a kind of linkage structure of support crossbar, as shown in Figure 1, comprise four pin joint seats 2, two poles 1,1 ' and coupling 6, the matrix of coupling 6 is a sleeve 60, the outer wall of sleeve 60 stretch out form one section with sleeve 60 bodies formation angle, the upper end is the carriage 61 of curve bath, the neutral position that coupling 6 is fixedly set in a pole 1 by its sleeve 60, another pole 1 ' is affiliated in the carriage 61 of coupling 6 when stressed, and two poles 1,1 ' end articulate with four pin joint seats 2 respectively.

The sleeve 60 of described coupling 6 forms gusset 63 for the length that increases carriage 61 and its part cylindrical shell of intensity stretch out, and is provided with carriage 6 ｀ in the same side of gusset 63 and sleeve 60 and joins together with it; Also being provided with between gusset 63 and sleeve 60 increases working strength and the rib in life-span 62; Being provided with between carriage 61 outer walls and sleeve 60 outer walls and the gusset increases coupling 6 working strengths and the rib in life-span 64.

Now the utility model is used for the chair frame, as shown in Figure 6,

Chair seat frame connects four facades that the pole group constitutes chair seat frame 1 by four groups of X types, and each pole end of adjacent facade articulates by pin joint seat is corresponding; Described left and right sides facade is made of the utility model, and facade is to constitute by " X " pivoted pole group before and after it, and the pin joint seat up and down of back facade both sides respectively is connected with a vertical rod 4 and forms the back support bar group, and pin joint seat can slide up and down along vertical rod on it.

After adopting said structure, because the left and right sides facade of chair frame is to be made of the utility model, the neutral position that coupling 6 sleeves 60 of the present utility model are fixedly set in a pole 1, another pole 1 ' is affiliated in the carriage 61 of coupling 6, the end of each pole articulates with four pin joint seats 2 respectively, and carriage 61 is outward extending by the outer wall of sleeve 60, and is provided with certain angle between it and the sleeve 60, therefore two poles be the activity cross-join together.

When the chair frame is opened, the pole of forming left and right sides facade under the effect of coupling 6 becomes " X " shape to connect, and because the effect of coupling 6 has also increased the support strength and the working life of " X " shape connecting rod group, there is the chair frame of technology to compare with habit, reduce the use of rod member, simplified the structure of chair frame; And when the chair frame folded, as shown in Figure 7, because wherein pole being is affiliated in the carriage 61 of coupling 6, so this bar can break away from the constraint of coupling 6 when folding, and as required with pin joint seat 2 displacements, increased the flexibility of chair frame folding.

The utility model not only is used for the chair frame but also can be used for various bracket with foldable such as bedstead, as long as use the utility model structure, no matter is used in and all drops on which kind of support within the novel protection domain of this usefulness.

Claims

1. the linkage structure of a support crossbar, comprise four pin joint seats, two poles and coupling, the end of two poles articulates with four pin joint seats respectively, it is characterized in that: the matrix of coupling is a sleeve, the outer wall of sleeve stretches out and forms one section carriage that the upper end is a curve bath, the shaft axis of carriage and sleeve body central axis constitute different surface beeline, and be affiliated in the carriage of coupling when another pole is stressed in the neutral position that coupling is fixedly set in a pole by its sleeve.

2. the linkage structure of a kind of support crossbar according to claim 1, it is characterized in that: its part cylindrical shell of the sleeve of described coupling stretches out form to increase the length of carriage and the gusset of intensity, is provided with carriage in the same side of gusset and sleeve and joins together with it.

3. the linkage structure of a kind of support crossbar according to claim 1 is characterized in that: also be provided with some rib between gusset and sleeve.

4. the linkage structure of a kind of support crossbar according to claim 1 is characterized in that: being provided with between carriage outer wall and sleeve outer wall and the gusset increases the coupling working strength and the rib in life-span.