CN209712215U - Integral type chair back - Google Patents

Abstract

The utility model belongs to chair technology field, for being mounted on chair leg.It discloses a kind of integral type chair back, including integrally formed matrix, matrix includes angle two faces at an acute angle, is connected between two faces by arc surface；One end periphery of matrix is provided with the pipe sleeve of ring-shaped section and ring-shaped, is equipped with cushion on a face of matrix.This structure is simple and has both the had comfortable function of conventional chair, convenient to produce in batches when producing and processing production.

Description

Integral type chair back

Technical field

The utility model belongs to the technical field of the seat, in particular to a kind of chair.

Background technique

Chair generally includes backrest, seat board, handrail and chair leg, and the bottom of usual handrail and seat board are fixed or and chair Leg is integrally formed, and the side of backrest and handrail is fixed.

But the traditional Chinese chair of above structure is not suitable for mass production.It is, therefore, desirable to provide a solution comes side Just the batch production of chair.

Utility model content

The technical problem to be solved by the present invention is to provide it is a kind of can mass production chair, improve the life of chair Produce efficiency.

In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows:

A kind of integral type chair back, including integrally formed matrix, described matrix include angle two faces at an acute angle, and two It is connected between a face by arc surface；One end periphery of described matrix is provided with the pipe sleeve of ring-shaped section and ring-shaped, and the one of described matrix Cushion is equipped on a face.

Further, one end of described matrix includes bulge and interconnecting piece, is arranged between the interconnecting piece and place face There is step, the section thickness of the bulge is greater than the section thickness of the interconnecting piece.

Further, the pipe sleeve is by PUV material directly in one end injection molding of described matrix.

Further, fixed part is provided on a face of described matrix, the fixed part includes slot and fillet part, institute The both ends that the fixed part is arranged in fillet part are stated, the inside that the fillet part is located at the face is arranged in the slot.

Further, the cushion includes boss and the cutting with slot cooperation, and the both ends setting of the boss is in Hook.

Further, the cushion is integrally formed.

Integral type chair back provided by the utility model is integrally formed, in the one end in the face of leaning on by the seat surface of chair and by face Pipe sleeve, which is arranged, conveniently keeps the back of user more comfortable, and setting cushion on seat surface upper berth keeps the hip of user more comfortable.

Compared with prior art, the utility model has the following beneficial effects:

One, structure is simple and has both the had comfortable function of conventional chair, replaces the seat surface of original chair and separates by face Formula structure, it is convenient to be produced in batches when producing and processing production；

Two, facilitate the components of injection molding chair and provide design space, the interconnecting piece of one end of matrix is in capping Upper setting step, facilitates injection molding, can be molded into required pipe sleeve in bulge；

Three, cushion facilitates batch production by mold injection molding, can be directly installed in the fixed part of matrix.

Four, it by mating between boss and fixed part, and is coincide and is fastened by hook portion and fillet part at both ends, taken It is simple and quick for traditional stickup, screw fixation method.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the sectional side elevation of the utility model embodiment；

In figure: 1- by face, 2 seat surfaces, 3- arc surface, 4- pipe sleeve, 5- seat cushion, 11- bulge, 12- step, 13- interconnecting piece, 21- fillet part, 22- slot, 51- cutting, 52- boss.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other It can be combined with each other.

Embodiment:

As shown in Figure 1, integral type chair back provided by the utility model, is installed in the upper end of chair leg comprising one at The matrix of type, matrix include angle two faces about at an acute angle, are respectively seated at by face 1 and for backrest for human body Seat surface 2 thereon is connected by arc surface 3 between two faces；One end periphery by face 1 of matrix is provided with ring-shaped section and ring-shaped Pipe sleeve 4 is equipped with cushion 5 on the seat surface 2 of matrix.

One end by face 1 of matrix includes bulge 11 and interconnecting piece 13, and interconnecting piece 13 and leaning between face 1 for place are arranged There is step 12, the section thickness of bulge 11 is greater than the section thickness of interconnecting piece 14.Pipe sleeve 4 is by PUV material directly in matrix The end injection molding.11 one side of bulge facilitates pipe sleeve 4 to form, and on the other hand facilitates fingertip grasp, when human body back and pipe 4 contact of set, can also make back have the comfort of massage type.

Fixed part is provided on the seat surface 2 of matrix, fixed part includes slot 22 and fillet part 21, and the setting of fillet part 21 is solid Determine the both ends in portion, the inside that fillet part is located at the face is arranged in slot 22.

Cushion 5 includes boss 52 and the cutting 51 with the cooperation of slot 22, and the both ends setting of boss 52 is in hook.Cushion 5 one It is body formed.

Cushion 5 uses sponge as material foamable molding in a mold, forms boss 52 and cutting through cooling and solidifying 51, slot 22 is inserted into cutting 51, and both ends are squeezed fitting by fillet part 21 by the tension having using sponge itself.Boss 52 With fixed part being buckled together tightly.

The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.

Claims (6)

1. a kind of integral type chair back, it is characterised in that: including integrally formed matrix, described matrix includes that angle is at an acute angle Two faces pass through arc surface between two faces and connect；One end periphery of described matrix is provided with the pipe sleeve of ring-shaped section and ring-shaped, described Cushion is equipped on one face of matrix.

2. integral type chair back according to claim 1, it is characterised in that: one end of described matrix includes bulge and company Socket part, is provided with step between the interconnecting piece and place face, the section thickness of the bulge is greater than cutting for the interconnecting piece Face thickness.

3. integral type chair back according to claim 2, it is characterised in that: the pipe sleeve is by PUV material directly described One end injection molding of matrix.

4. integral type chair back according to claim 1, it is characterised in that: be provided with fixation on a face of described matrix Portion, the fixed part include slot and fillet part, and the both ends of the fixed part are arranged in the fillet part, and the slot setting exists The fillet part is located at the inside in the face.

5. integral type chair back according to claim 4, it is characterised in that: the cushion include boss and with the slot The both ends setting of the cutting of cooperation, the boss is in hook.

6. integral type chair back according to claim 5, it is characterised in that: the cushion is integrally formed.