CN105496067B - A kind of environmental protection chair - Google Patents

Abstract

The invention relates to the field of seats, in particular to an environment-friendly bar chair. It includes a chair surface, chair feet and a chair back arranged on the chair surface, and is characterized in that: the chair surface, the chair feet and the chair back are made of metal chair surface, metal chair feet and metal chair back, and the chair feet include a connecting rod at the top The connecting section of the chair surface, the anti-folding strengthening section in the middle and the supporting column section at the bottom, the middle and upper part of the chair foot are stamped and formed arc-shaped metal plates with an outwardly arched section, and the anti-folding strengthening section is provided with The metal sheet body is concaved inwards to form reverse reinforcement grooves, and there are connectors between the chair legs. The supporting column section includes a column sleeve formed by the metal sheet and a hard plastic foot filled in the column sleeve. The bottom end of the plastic leg protrudes from the column cover, and the connection between the reinforcement groove and the metal sheet is a resistance folding edge. This application is easy to process, uses less material, is recyclable, easy to repair, and is energy-saving and environmentally friendly.

Description

An environmentally friendly bar chair

technical field

The invention relates to the field of seats, in particular to an environment-friendly bar chair.

Background technique

Most of the existing bar chairs are made of metal tube legs that are driven up and down by the cylinder to match the leather surface, plastic surface or wood surface. The materials are expensive and cannot be recycled. In order to ensure the necessary support strength, the materials used have a certain thickness. The materials used are expensive, energy saving and environmental protection cannot be achieved, and the bar chair can only be thrown away directly after it is broken, and cannot be repaired and used.

Contents of the invention

Above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

The object of the present invention is to provide an environment-friendly bar chair for the above problems.

An environment-friendly bar chair, comprising a chair surface, chair legs and a chair back arranged on the chair surface, characterized in that: the chair surface, chair legs and chair back are metal chair surfaces, metal chair legs and metal chair backs, the The chair foot includes a connecting section at the top for connecting the chair surface, an anti-folding reinforcement section at the middle and a support column section at the bottom, and the middle and upper part of the chair foot is stamped and formed in an outwardly arched arc shape. The anti-folding reinforcement section is provided with reverse strenuous reinforcement grooves formed by the inward recess of the metal sheet body, connecting pieces are also provided between the chair legs, and the support column section includes The column cover formed by the metal sheet and the plastic foot filled in the column cover. The bottom end of the plastic support protrudes from the column cover. The chair back includes a chair back frame formed by bending a metal strip and a back support plate arranged on the chair back frame. The backrest suspension part, the back and waist support plate is connected between the backrest suspension part and the chair surface, and the connecting part includes a foot strap that is connected between the adjacent chair feet and is located at the lower part of the chair feet, and the connecting part includes The restraining reinforced metal sheet connected between the adjacent connecting sections of the chair legs, the connection between the chair legs and the restrained reinforced metal sheet forms the lower part of the chair, the top of the lower chair part is also provided with fasteners, and the bottom of the chair surface There are buckle grooves that match with the fasteners; there are raised limit ribs arranged along the length direction of the stool legs evenly distributed in the column cover, and the raised height of the limit ribs gradually decreases from top to bottom , the bottom end of the limit clamp is a limit platform, and the plastic leg is provided with a limit step that cooperates with the limit platform, and the plastic leg is divided into a bottom leg segment with a larger diameter and a diameter The upper clamping section is smaller and has an interference fit with the limiting rib.

This application bends the metal thin plate to form an arc-shaped three-dimensional plate, and then combines the reverse force-strengthening groove rib and the resistance folding edge to form a restraining effect between the three, which greatly enhances the flexural strength of the thin plate. The bottom of the chair foot is provided with a column cover and filled to form a solid column foot, which further improves the force strength of the chair foot, and at the same time prevents the metal chair foot from scratching the ground, and also ensures that the metal chair foot does not touch the ground and prevents the ground from being scratched. The protrusions on the chair are pulled to the metal chair legs to bend them in the horizontal direction, thereby increasing the service life of the metal chair legs.

As a preference, the two ends of the restraining reinforced metal sheet are welded to the side of the connecting section, the seat surface includes a panel and a side board which is surrounded on the panel and integrally connected with the panel, and the bottom of the side board corresponds to the seat The position of the feet is provided with positioning reinforced arc-shaped pins that can be fitted to the arc of the chair legs, and the inner side of the chair legs is provided with positioning pins formed by the arched metal sheet welded on the chair legs and the inner side of the chair legs The positioning reinforced arc-shaped pin is inserted into the positioning pin hole, and the positioning reinforced arc-shaped pin includes a horizontal concave section connected to the bottom of the board and is connected to the horizontal concave section and inserted into the positioning pin hole. pin segment.

The connection between the top of the chair foot and the chair surface is also a weak position that bears a large force, and the weak connection position between the chair surface and the chair foot is strengthened by restraining and strengthening the metal sheet.

Preferably, the top of the restraining reinforced metal sheet is welded to the seat surface.

The connection between the restraining reinforced metal sheet and the chair surface also enhances the strength of the metal chair surface at the position where it is not connected to the chair legs. Increased chair strength.

Preferably, the chair legs are four uniformly distributed, and the connecting piece includes an anti-collapse connecting strip whose two ends respectively connect two chair legs on the opposite corners, and the anti-collapse connecting strips are arranged crosswise on the upper part of the chair legs and Two strips detachably fastened at cross positions.

The anti-collapse connecting strips can also be set to four, and two anti-collapse connecting strips whose projection crosses on the gravity surface are set on the same chair foot, and both are connected with the chair feet on the opposite corners, and the two anti-collapse connecting strips are respectively connected with The two sides of the chair legs are connected.

The anti-collapse connecting strips and the foot support strips can connect and strengthen the non-connected chair feet at different heights, so that the structure and other strengthening structures can simply and efficiently improve the strength of the chair from various aspects and angles.

As a preference, the reverse strenuous reinforcement groove is a long groove arranged along the length direction of the chair foot and located in the middle of the anti-folding reinforcement section in the horizontal direction. The centerlines of symmetry coincide. That is to say, the anti-folding reinforcement section is set at the center of the bending arc of the chair leg, which can most effectively improve the strength of the chair leg, and the symmetrical setting can ensure the balance of the force intensity of the chair leg, thereby enhancing the strength of the chair leg.

Preferably, the reverse strenuous reinforcing groove is 1/5-4/5 of the length of the chair leg.

The length of the reverse strenuous strengthening groove can be set according to the length of the chair pin, and the chair pin is long and easy to bend, and then the reverse strenuously strengthens the groove correspondingly to be set longer, otherwise can shorten the length of the reverse strenuous strengthening.

As a preference, the step stays are located in the middle and upper part of the reverse strenuous reinforcing groove in the height direction. In order to ensure that there is a cross between various restraining forces and each restraining force of the balanced division can effectively improve the strength of the chair.

Preferably, the cross-section of the chair foot gradually decreases from top to bottom. On the premise of reducing the difficulty of processing, the stress strength of the chair legs can be increased.

Preferably, the curved arc of the chair legs gradually becomes larger from top to bottom. On the premise of reducing the difficulty of processing, the stress strength of the chair legs can be increased.

In summary, the present invention has the following beneficial effects:

1. This application bends the metal thin plate to form an arc-shaped three-dimensional plate, and then combines the reverse force to strengthen the groove rib and the resistance folding edge to form a restraint between the three, which greatly enhances the flexural strength of the thin plate. The bottom of the largest chair foot is set with a column cover and filled to form a solid column foot, which further improves the force strength of the chair foot, and at the same time prevents the bottom of the metal chair foot from scratching the ground, and also ensures that the metal chair foot does not touch the ground. It prevents the protrusions on the ground from being pulled to the metal chair legs to bend them in the horizontal direction, thereby improving the service life of the metal chair legs, and the bar chair has a long service life.

2. The chair back is directly bent by a single metal strip and then welded to the back and waist support plate. It has a simple structure, convenient processing, less material, high support strength, and easy use. After the buckle is fastened with the buckle groove, the seat surface is welded to the top of the lower part of the chair. High strength, not easy to shift, easy to locate and install.

3. The bar chair of this application is easy to process, uses less material, is recyclable, easy to repair, energy-saving and environmentally friendly, and has a compact structure. It can also achieve the support strength of the chair under the premise of using a thinner metal plate.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the structure of the chair foot and the positioning reinforced arc pin;

Fig. 3 is a structural schematic diagram 2 of the chair foot and the positioning reinforced arc pin;

Fig. 4 is a schematic diagram of the cooperation structure of the fastener and the buckle groove;

Fig. 5 is a schematic diagram of the connection structure between the column and the plastic foot.

detailed description

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

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Embodiment one:

An environmentally friendly bar chair, comprising a chair surface 1, chair feet 2 and a chair back 9 arranged on the chair surface, characterized in that: the chair surface, chair feet and chair back are metal chair surfaces, metal chair feet and metal chairs By the way, the chair foot includes a connecting section 21 at the top for connecting the chair surface, an anti-folding reinforcing section at the middle and a support column section 23 at the bottom, and the middle and upper part of the chair foot is formed by stamping with an outward cross-section. Arched arc-shaped metal sheet, the anti-folding reinforcement section is provided with a reverse strenuous reinforcement groove 22 formed by the inward recess of the metal sheet body, and a connecting piece is also provided between the chair legs, The supporting column section includes a column sleeve 6 surrounded by a metal sheet and a plastic foot 61 filled in the column sleeve. The bottom end of the plastic foot protrudes from the column sleeve. The joint is the resistance folding edge 221. The chair back includes a chair back frame 91 bent and formed by a metal strip and a back support plate 92 arranged on the chair back frame. The chair back frame includes support on both sides. The hand and the back suspension part connected between the resting parts, the back and waist support plate is connected between the back suspension part and the chair surface, and the connecting part includes a chair connected between adjacent chair legs and located at the lower part of the chair legs The foot stays 5, the connecting piece includes a restraining reinforced metal sheet 3 connected between adjacent connecting sections of the chair feet, the connection between the chair feet and the restraining reinforced metal sheet forms the lower part of the chair, and the chair The top of the lower part is also provided with a fastener 7, and the bottom of the seat surface is provided with a buckle groove 8 matched with the fastener. The protruding limiting ribs 62 arranged along the length direction of the stool feet are evenly distributed in the column cover, the height of the limiting ribs gradually becomes smaller from top to bottom, and the bottom of the limiting ribs It is the limit platform 621, and the limit step 611 matched with the limit platform is arranged on the said plastic leg. The upper clamping section 612 is the upper clamping section 612 where the ribs are interferingly engaged.

The chair surface includes a panel 11 and a side board 12 which is surrounded on the panel and integrally connected with the panel. The position corresponding to the chair foot at the bottom of the side board is provided with a positioning reinforcement which can be fitted with the chair foot in an arc shape. Arc-shaped pin 13, the inside of the chair foot is provided with a positioning pin hole 24 formed by the arched metal sheet welded on the chair foot and the inner surface of the chair foot, and the positioning strengthening arc-shaped pin is inserted into the positioning pin In the hole, the positioning reinforced arc pin includes a horizontal concave section connected to the bottom of the board and a pin section 132 connected to the horizontal concave section 131 and inserted into the positioning pin hole. The top of the restraining reinforced metal sheet is welded to the seat surface. The reverse strenuous reinforcing groove is 1/5 of the length of the chair foot.

Embodiment two:

The difference from the above embodiment is that the chair legs are uniformly distributed four pieces, and the connecting piece includes anti-collapse connecting strips 4 connecting two opposite corners of the chair legs respectively at both ends, and the anti-collapse connecting strips are arranged crosswise. Two pieces that are detachably fixed on the upper part of the chair legs and are fixed in the cross position. The reverse strenuous reinforcing groove is 4/5 of the length of the chair foot.

Embodiment three:

The difference from the above embodiments is that the connecting member includes a foot support bar 5 connected between adjacent chair legs and located at the lower part of the chair legs. The reverse strenuous reinforcing groove is 2/5 of the length of the chair foot.

Embodiment four:

The difference from the above-mentioned embodiment is that the reverse strenuous reinforcement groove is a long groove arranged along the length direction of the chair foot and located in the middle of the anti-folding reinforcement section in the horizontal direction. The center lines of symmetry of the folded stiffener coincide. The reverse strenuous reinforcing groove is 3/5 of the length of the chair foot. The foot stays are located in the middle and upper part of the reverse strenuous reinforcing groove bar in the height direction.

Embodiment five:

The difference from the above-mentioned embodiment is that the section of the chair foot is gradually reduced from top to bottom. The curved arc of the chair legs becomes larger gradually from top to bottom.

Embodiment six:

As shown in Figure 4, the difference from the above-mentioned embodiment is that the chair foot is connected to the reinforced metal sheet to form the lower part of the chair, the top of the lower chair part is also provided with a fastener 7, and the bottom of the chair surface is provided with a fastener that cooperates with the fastener. Buckle slot 8. After the buckle is fastened with the buckle groove, the seat surface is welded to the top of the lower part of the chair. High strength, not easy to shift.

During processing, the chair feet, chair surface, back and waist support plate, and restraint reinforced metal sheet are pressurized and formed, and the chair frame and chair back frame are bent and formed. Set up plastic feet, fold the upper end of the positioning reinforced arc-shaped pin inward to form two sections, a horizontal concave section 131 and a pin section 132, weld a piece of arched metal sheet on the inner side of the chair leg, and then insert the pin section into the positioning pin The holes position and strengthen the seat surface and chair legs, which is convenient for later welding, and also enhances the connection strength between the chair surface and chair legs. The chair back frame is screwed or welded to the chair surface and then connected to the back support plate, the chair legs are welded to the chair surface and the restraining reinforced metal sheet, and finally the anti-collapse connecting strip and the foot are welded or screwed stays.

Claims (7)

1. An environmentally friendly bar chair, including a chair surface (1), chair feet (2) and a chair back (9) arranged on the chair surface, characterized in that: the chair surface, chair feet and chair back are metal chairs surface, metal chair feet and metal chair back, the chair feet include a connecting section (21) at the top for connecting the chair surface, an anti-folding reinforcement section at the middle and a support column section (23) at the bottom, the The middle and upper part of the chair foot is a stamped metal thin plate with an outwardly arched cross-section, and the anti-folding reinforcement section is provided with reverse strenuous reinforcement grooves (22) formed by the inward depression of the metal thin plate body , There is also a connecting piece between the chair legs, the supporting column section includes a column cover (6) surrounded by a metal sheet and a plastic foot (61) filled in the column cover, the bottom end of the plastic foot extends Out of the column cover, the connection between the reverse strenuous reinforcement groove and the metal sheet is a resistance folding edge (221), and the chair back includes a chair back frame (91) formed by bending a metal strip and set on The back and waist support plate (92) on the chair back frame, the chair back frame includes hand rests on both sides and the backrest suspension part connected between the hand rests, the back waist support board is connected to the backrest suspension and the backrest suspension Between the chair surfaces, the connecting piece includes a foot strap (5) connected between the adjacent chair feet and located at the lower part of the chair feet, and the connecting piece includes a connecting section connected between the adjacent chair feet The pinning reinforced metal sheet (3), the chair foot and the pinning reinforced metal sheet are connected to form the lower part of the chair, the top of the lower chair part is also provided with a fastener (7), and the bottom of the chair surface is provided with a fastener to cooperate with the fastener. The buckle groove (8) in the column cover is evenly distributed with raised limiting ribs (62) arranged along the length direction of the chair feet, and the height of the limiting ribs gradually becomes smaller from top to bottom , the bottom end of the limit bar is a limit platform (621), and the plastic leg is provided with a limit step (611) that cooperates with the limit platform, and the plastic leg is divided into a larger diameter by the limit step The bottom leg section (613) and the upper clamping section (612) with a smaller diameter and interference fit with the limit clamp; the two ends of the restraining reinforced metal sheet are welded to the side of the connecting section, and the chair The surface includes a panel (11) and an edge plate (12) which surrounds the panel and is integrally connected with the panel. The position corresponding to the chair foot at the bottom of the edge plate is provided with a positioning part which can fit in an arc shape with the chair foot. Reinforced arc-shaped pins (13), the inner side of the chair foot is provided with a positioning pin hole (24) formed by the arched metal sheet welded on the chair foot and the inner surface of the chair foot, and the positioning strengthened arc-shaped pin is inserted In the positioning pin hole, the positioning reinforced arc pin includes a horizontal concave section connected to the bottom of the board and a pin section (132) connected to the horizontal concave section (131) and inserted into the positioning pin hole; The chair feet are four uniformly distributed chair feet, and the connecting piece includes an anti-slump connecting strip (4) that connects the two opposite corners of the chair feet at both ends, and the anti-slump connecting strip includes a cross-connection set on the upper part of the chair feet. and two connecting strips detachably connected at cross positions. 2. An environment-friendly bar chair according to claim 1, characterized in that: the top of the restraining and strengthening thin metal plate is welded to the chair surface. 3. An environment-friendly bar chair according to claim 1, characterized in that: the reverse strenuous reinforcement groove is a long groove arranged along the length direction of the chair foot and located in the middle of the anti-folding reinforcement section in the horizontal direction. The reverse strenuous reinforcing grooves coincide with the symmetrical center line of the anti-folding reinforcing section. 4. An environment-friendly bar chair according to claim 3, characterized in that: said reverse force reinforcing groove is 1/5-4/5 of the length of the chair leg. 5. An environment-friendly bar chair according to claim 3, characterized in that: said foot stays are located in the middle and upper part of the reverse strenuous reinforcing groove in the height direction. 6 . The environment-friendly bar chair according to claim 1 , wherein the cross-section of the chair legs gradually decreases from top to bottom. 7. The environment-friendly bar chair according to claim 1, characterized in that: the curvature of the chair legs becomes larger gradually from top to bottom.