CN218635645U - Chair with detachable top - Google Patents

Abstract

The utility model discloses a chair, which comprises a back frame and a mesh, wherein the back frame comprises a main body and an inner frame, a ring groove is arranged between the side wall of the main body and the inner frame, a plurality of through holes distributed in an annular manner and corresponding fasteners are arranged on the inner frame, the periphery of the mesh is embedded into the ring groove, and the fasteners penetrate through the through holes and stretch into the ring groove to fix the mesh; the utility model has the characteristics of the screen cloth is fixed more firmly, and it is more convenient to install, and has saved the frame, has saved mould and relevant part, greatly reduced manufacturing cost etc.

Description

Chair with detachable top

Technical Field

The utility model relates to a chair.

Background

As furniture frequently used in daily life, chairs have various external structures. The existing chair usually adopts a mesh back frame as a chair back in order to improve the air permeability and the heat dissipation of the chair. And current chair adopts back of the body frame, frame and pick to fix the screen cloth usually, and the screen cloth is installed in back of the body frame through the pick earlier promptly, and the rethread frame carries out the joint with back of the body frame and fixes to the installation that realizes the screen cloth is fixed.

However, in the in-service use process, the double frames are adopted for fixation, the back frame is provided with the fixing holes, the outer frame is provided with the corresponding fixing columns, the fixing holes and the fixing columns need to be precisely corresponding and can be smoothly fixed, the mesh cloth is fixed more trouble, the corresponding mold precision requirement is higher, and therefore the manufacturing cost is higher.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a chair.

The utility model discloses the technical scheme who solves its technical problem and adopt is: the utility model provides a chair, wherein, includes back of the body frame and screen cloth, and the back of the body frame includes main part and inside casing, is equipped with the ring channel between main part limit wall and the inside casing, is equipped with the cyclic annular through-hole that distributes of a plurality of and the fastener that corresponds on the inside casing, and the screen cloth imbeds all around to the ring channel in, and the fastener passes the through-hole and stretches into to ring channel internal fixation screen cloth.

Adopt above-mentioned structure to set up, at first through the setting of ring channel, realized being located of screen cloth fixed on the back of the body frame, the fixed effect of centre gripping has been realized to the setting of rethread main part limit wall and inside casing for the screen cloth is fixed more stable, and then through the setting of through-hole and fastener, further fixes the screen cloth, makes the screen cloth fixed more firm and difficult pine take off. Compared with the prior art, the screen cloth is more firmly fixed, the installation is more convenient, the outer frame is omitted, the die and related parts are saved, and the production cost is greatly reduced.

Wherein, the back frame is integrally formed.

Adopt integrated into one piece to set up for the holistic structural strength of back of the body frame is better, and is better to the fixed effect of screen cloth, and has saved the frame structure, makes the mould make easier and has reduced the cost of making the mould.

Wherein, the annular groove is arranged in a necking shape.

The necking is adopted, so that the mesh cloth is positioned in the annular groove and is more firmly fixed, and is not easy to loosen.

Wherein, an inclined plane is arranged in the annular groove.

The inclined plane is adopted for arrangement, so that the guiding effect is achieved, and the fixing effect of the mesh cloth in the annular groove is better.

Wherein, the inner frame is provided with a plurality of bulges, and the through hole is positioned in the center of the bulges.

Adopt protruding setting, play the recognition effect on the one hand, the installation of the fastener of being convenient for is fixed, and on the other hand makes the fixed effect that the fastener is located the through-hole better, and is more firm.

Wherein, the section length of inside casing is greater than the section length of main part limit wall.

The length of the cross section is limited, so that the mesh cloth is better in fixing effect and not easy to loosen.

Wherein, the central part of main part and inside casing is the arc setting.

By adopting the structure, on one hand, the back frame is integrally compounded with human engineering, and after the mesh cloth is fixed, the mesh cloth has better matching effect with the waist of a human body and is more comfortable; on the other hand, the net cloth has a certain guiding effect, and the net cloth is convenient to install and fix.

Wherein, the bottom of main part and inside casing is the inward arc setting.

Adopt above-mentioned structure setting, be inward arc setting through main part and inside casing bottom, the installation of the further screen cloth of being convenient for is fixed.

Wherein, the opening of the annular groove is forward inclined.

By adopting the structure, the opening of the annular groove at the bottom is arranged, so that the guiding effect is further realized, the mesh cloth is easier to install and fix, and the assembling effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a cross-sectional view of embodiment 1 of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Detailed Description

Example 1:

referring to fig. 1-3, a chair comprises a back frame 1 and a mesh.

It should be noted that, since the shapes of the mesh are various and the structure of the mesh belongs to the prior art, the description of the present embodiment is not expanded and the drawings are not shown, and those skilled in the art should know the related structure.

The back frame 1 comprises a main body 2 and an inner frame 3, the main body 2 is of a rectangular annular structure, the main body 2 is mainly used for forming the integral structure of the back frame 1, and particularly, one surface, facing the back of a human body, of the main body 2 is mainly used for connecting and fixing related parts such as mesh cloth, a waist rest and the like, so that the back of the human body can be leaned; the bottom of the main body 2 is provided with a connecting part 21 formed by bending and protruding, and the back frame 1 is connected with the seat through the connecting part 21, so that the sitting effect of the chair is realized.

Further, 2 central authorities of main part are cavity form setting, and through this kind of structure setting, the screen cloth of being convenient for on the one hand and the installation of relevant part are fixed, and on the other hand is when the screen cloth installation after fixed, through the elastic effect of screen cloth, accords with human engineering behind frame 1 and the screen cloth cooperation more to the comfort level has been improved.

The inner frame 3 is arranged on the main body 2 and on the side wall 22 close to the main body 2, and the inner frame 3 is mainly used for being matched with the main body 2, so that the mounting and fixing effects of the screen cloth are realized. Specifically, inside casing 3 wholly is the annular structure of similar rectangle to correspond and the interval setting with limit wall 22, and then form annular groove 31 between inside casing 3 and the limit wall 22, the screen cloth is fixed in main part 2 towards human back one side, and then imbeds all around to annular groove 31 internal fixation of screen cloth, thereby has realized the fixed cooperation between screen cloth and the back of the body frame 1. Meanwhile, through the structure arrangement, the side wall 22 and the inner frame 3 are matched to realize a clamping effect, so that the mesh cloth is fixed more firmly.

Further, the opening of ring channel 31 is the throat setting, through this kind of structure setting for the screen cloth is located ring channel 31 internal fixation more firm, and difficult pine takes off.

Furthermore, an inclined surface 311 is arranged in the annular groove 31, and the inclined surface 311 plays a guiding role, so that the fixing effect of the mesh cloth in the annular groove 31 is better.

Still be equipped with the protruding 32 of a plurality of and the fastener 4 that a plurality of corresponds the setting on the inside casing 3, the protruding 32 of a plurality of is located inside casing 3 and is the protrusion setting for the opposite side of ring channel 31, and be cyclic annular range distribution for inside casing 3, the center department of protruding 32 is equipped with the through-hole 33 that runs through, through-hole 33 is the intercommunication setting with ring channel 31, through-hole 33 mainly used and fastener 4 cooperation, back in the screen cloth is fixed in ring channel 31, fastener 4 passes through-hole 33 and stretches into to ring channel 31 internal fixation, thereby further strengthened the fixed effect to the screen cloth, make the difficult pine of screen cloth take off. Meanwhile, due to the arrangement of the protrusions 32, on one hand, the recognition effect is achieved, the fasteners 4 are convenient to install and fix, and on the other hand, the fasteners 4 are located in the through holes 33, so that the fixing effect is better and firmer.

Further, the fastener 4 may be a self-tapping screw, a bolt, a rivet, or the like, and in the present embodiment, the fastener 4 is preferably a self-tapping screw.

In addition, in this embodiment, the sectional length of inside casing 3 is greater than the sectional length of boundary wall 22, through this kind of structure setting for the screen cloth fixed effect is better, and difficult pine takes off.

Furthermore, the inner frame 3 and the central part of the main body 2 are arranged in a convex arc shape, and through the arrangement of the structure, on one hand, the back frame 1 is integrally combined with human engineering, and after the mesh cloth is fixed, the mesh cloth has better matching effect with the waist of a human body and is more comfortable; on the other hand, the net cloth has a certain guiding effect, and the net cloth is convenient to install and fix.

Further, inside casing 3 is the arc setting of indent with the bottom of main part 2, and the arc setting of this kind of indent for the opening that is located the ring channel 31 of this department is the slope form setting forward, sets up through this kind of structure, has further played the guide effect, makes the installation of screen cloth fixed easier, has improved the assembly effect.

In addition, in this embodiment, back of the body frame 1 wholly sets up for integrated into one piece, and main part 2 and inside casing 3 are integrative injection moulding promptly, through this kind of structural setting for the holistic structural strength of back of the body frame 1 is better, and is better to the fixed effect of screen cloth, and has saved the frame structure, makes the mould make more easily and has reduced the cost of manufacturing the mould.

So adopt above-mentioned structure to set up, at first through the setting of ring channel 31, realized being located of screen cloth fixed on the back of the body frame 1, the fixed effect of centre gripping has been realized with the setting of inside casing 3 to the limit wall 22 of rethread main part 2 for the screen cloth is fixed more stable, and then through the setting of through-hole 33 and fastener 4, further fixes the screen cloth, makes the screen cloth fixed more firm and difficult pine take off. Compared with the prior art, the screen cloth is more firmly fixed, the installation is more convenient, the outer frame is omitted, the die and related parts are saved, and the production cost is greatly reduced.

Claims (9)

1. A chair, characterized in that: including back of the body frame and screen cloth, back of the body frame includes main part and inside casing, is equipped with the ring channel between main part limit wall and the inside casing, is equipped with the cyclic annular through-hole that distributes of a plurality of and the fastener that corresponds on the inside casing, and the screen cloth imbeds all around to the ring channel in, and the fastener passes the through-hole and stretches into to ring channel internal fixation screen cloth.

2. A chair as claimed in claim 1, wherein: the back frame is integrally formed.

3. A chair as claimed in claim 1, wherein: the annular groove is arranged in a necking way.

4. A chair as claimed in claim 2, wherein: the annular groove is internally provided with an inclined plane.

5. A chair as claimed in claim 1, wherein: the inner frame is provided with a plurality of bulges, and the through hole is positioned in the center of the bulges.

6. A chair as claimed in claim 1, wherein: the section length of the inner frame is greater than that of the side wall of the main body.

7. A chair as claimed in claim 1, wherein: the main body and the central part of the inner frame are arranged in an arc shape.

8. A chair as claimed in claim 1, wherein: the bottom of main part and inside casing is the inward arc setting.

9. A chair as claimed in claim 8, wherein: the opening of the annular groove is forward inclined.

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