CN213757440U

CN213757440U - Office chair

Info

Publication number: CN213757440U
Application number: CN202022323634.4U
Authority: CN
Inventors: 黄跃龙
Original assignee: Anji Hetian Furniture Co ltd
Current assignee: Anji Hetian Furniture Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-23
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to a technical field of seat specifically is an office chair, and it is whole pleasing to the eye not influence by office chair when mainly used reduces the consumptive material. The utility model discloses a: the backrest comprises a backrest, a cushion and a connecting piece for connecting the backrest and the cushion, wherein the lower part of the backrest is provided with a fixing groove for fixing the connecting piece; the bottom of the cushion is provided with a fixing piece for fixing the connecting piece; the connecting piece comprises a first connecting section fixed in the fixing groove, a third connecting section fixed in the fixing piece and a second connecting section positioned between the first connecting section and the third connecting section; the end cover is installed to the back lower extreme, and the bottom of end cover is equipped with the installation breach that supplies the connecting piece to pass through, and the lateral part of end cover is provided with the communicating sunshade installing port with the installation breach corresponding to the position of installation breach, installs the detachable sunshade on the sunshade installing port. The utility model provides a lead to the problem of consumptive material because it is pleasing to the eye to improve the structure for the material is economized in the manufacturing, and the structure is more pleasing to the eye.

Description

Office chair

Technical Field

The utility model relates to a technical field of seat specifically is an office chair, does not influence the whole pleasing to the eye of back chair when mainly used reduces the consumptive material.

Background

The seat is commonly used in daily life, the backrest and the cushion of the traditional seat are directly designed into a whole, and the manufacturing process is increased during manufacturing. With the progress of the technology, a structure that a cushion and a backrest are designed independently and then the cushion and the backrest are connected into a whole appears in the prior art, so that the manufacturing process is simplified, for example, the structure of the seat backrest and the cushion with the application number of 201821938682.0 comprises the backrest, the cushion and a seat connecting piece, wherein the backrest and the cushion are fixedly connected through the seat connecting piece, the seat connecting piece is an L-shaped connecting piece, the short side of the L-shaped connecting piece is fixed with the inner end surface of the lower end of the backrest, and the long side of the L-shaped connecting piece is fixed with the lower end surface of the cushion. Among this patent, when L type connecting piece and interior terminal surface are fixed, the connecting piece directly exposes with the back surface, and the influence is pleasing to the eye, and this patent is in order to guarantee the pleasing to the eye of seat for L type connecting piece is not directly seen, is connected to the cushion downside with partly being connected to the back, is used for being connected with the cushion specially, makes L type connecting piece and back linkage part, L type connecting piece and cushion linkage part all be located the cushion bottom. Through the bottom fixed connection of the part that L type connecting piece is located the back below the cushion and cushion, though effectual L type connecting piece of having covered, this kind of mode leads to the back to need increase at length to satisfy fixed L type connecting piece, therefore comparatively consumptive material.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an office chair, when mainly used reduces the consumptive material do not influence office chair whole pleasing to the eye.

In order to solve the technical problems, the application provides an office chair which comprises a backrest, a seat cushion and a connecting piece for connecting the backrest and the seat cushion, wherein a fixing groove for fixing the connecting piece is formed in the lower part of the backrest; the bottom of the cushion is provided with a fixing piece for fixing the connecting piece; the connecting piece comprises a first connecting section fixed in the fixing groove, a third connecting section fixed in the fixing piece and a second connecting section positioned between the first connecting section and the third connecting section; the end cover is installed to the back lower extreme, the bottom of end cover is equipped with the confession the installation breach that the connecting piece passes through, the lateral part of end cover correspond to the position of installation breach be provided with the communicating sunshade installing port of installation breach, install the detachable sunshade on the sunshade installing port.

Preferably, a first connecting hole is formed in the third connecting section; the fixing piece is provided with a second connecting hole; the first connecting hole is matched with the second connecting hole.

Preferably, the fixing groove is provided with a fixing plate for fixing the connecting piece.

Preferably, the fixing plate and the fixing groove have the same width.

Preferably, the width of the end cap is gradually reduced from the top end to the bottom end.

Preferably, the lower end of the end cover is provided with a first fixing hole for fixing with a backrest.

Preferably, a connecting cylinder is arranged on the inner surface of the shutter mounting opening; the sunshade both sides are equipped with the orientation the installation of sunshade installing port is protruding, be equipped with in the installation arch be used for with the spliced pole that the connecting cylinder corresponds.

Preferably, a fixing support column for fixing the connecting piece is arranged at the mounting notch on the inner surface of the end cover.

Preferably, the outer surface of the cover is provided with a second fixing hole for connecting with the backrest.

Preferably, the end cap and the shielding plate are made of plastic.

The utility model discloses has following technological effect:

1. the first connecting holes are matched with the second connecting holes, when the connecting piece is connected with the cushion, the first connecting holes and the second connecting holes are matched and then fixed through screws, and the connecting piece and the cushion are firmly and firmly connected.

2. Be equipped with the fixed plate on the fixed slot, be close to the edge on the fixed plate and have a plurality of screws, tightly fix the first linkage segment one end of connecting piece in the fixed slot through the screw for connecting piece and back fastening connection can not become flexible.

3. The fixed plate is as wide as the fixed slot, has guaranteed that the fixed plate sees zonulae occludens with other positions of back department fixed slot department, forms complete back structure, can not cause unsmooth effect, has increased the aesthetic property.

4. In order to hide the rifle nail that the cloth cover was beaten at the back lower extreme, the lower extreme of back is lived in the top parcel of end cover for the visual effect of back is better, and secondly, fixed with the sunshade in order to guarantee, simultaneously in order not to influence pleasing to the eye, the width of end cover is dwindled by top to the bottom gradually, only to just can hide the connecting piece, guarantees to fix with the sunshade, forms stable structure.

5. When the end cover is nested around the lower end of the backrest, in order to ensure that the end cover cannot fall off, a plurality of first fixing holes for screws to pass through are arranged at the lower end of the end cover and two sides close to two sides of the backrest.

6. The connecting cylinder of the inner surface of the screen plate mounting opening and the connecting columns on the mounting protrusions at the two ends of the screen plate are matched with each other, the connecting columns are sleeved in the connecting cylinders, risks of damage to the screen plate and an end cover hand during external screw fixation are reduced, and the screen plate is convenient and firm to connect.

7. The fixed stay post that end cover internal surface mounting breach department was equipped with sets up on the both sides of connecting piece, and two fixed stay posts just fix the connecting piece in the centre, guarantee that the connecting piece does not take place the skew in the end cover, and secondly, the fixed stay post contacts with the mounting groove bottom for the end cover structure of mounting groove department can not be because of interior fracture easily takes place, increases the stability of this department structure.

8. Two fixing holes are formed in the left end and the right end, close to the backrest, of the outer surface of the shielding plate, and the shielding plate is fixed firmly through the screw fixing structure.

9. The end cover and the shielding plate are made of plastic materials, the cost of the plastic materials is low, good economic benefits are achieved, and the plastic materials are easy to manufacture and mold.

Drawings

Figure 1 connecting structure diagram of backrest and cushion

FIG. 2 is a connecting structure of a connecting member and a fixing member

FIG. 3 is a view showing the connection structure of the end cap and the backrest

FIG. 4 is a connecting structure of the cover and the backrest

FIG. 5 inner side structure view of end cap

FIG. 6 is a view showing the inner side structure of the shield

FIG. 7 is a connecting structure of the fixing plate and the backrest

Wherein, 1-fixed groove; 2-a fixing piece; 3-a connector; 3-1 a first connection section; 3-2-a second connecting segment; 3-3-a third connecting segment; 4-end cover; 5, installing a notch; 6-a shutter mounting port; 7-a shielding plate; 8-a first connection hole; 9-a second connection hole; 10-fixing the plate; 11-a first fixing hole; 12-a connector barrel; 13-connecting column; 14-fixed support columns; 15-a second fixation hole; 16-backrest shell.

Detailed Description

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless otherwise defined, all terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that the conventional terms should be interpreted as having a meaning that is consistent with their meaning in the relevant art and this disclosure. This disclosure is to be considered as an example of the invention and is not intended to limit the invention to the particular embodiments.

The embodiment provides an office chair, mainly used improves the degree of portability of being connected of cushion and back, reduces the consumptive material. The back rest chair includes: the backrest comprises a backrest, a cushion and a connecting piece 3 for connecting the backrest and the cushion, wherein the lower part of the backrest is provided with a fixing groove 1 for fixing the connecting piece 3; the bottom of the cushion is provided with a fixing piece 2 for fixing the connecting piece 3; the connecting piece 3 comprises a first connecting section 3-1 fixed in the fixing groove 1, a third connecting section 3-3 fixed in the fixing piece 2 and a second connecting section 3-2 positioned between the first connecting section 3-1 and the third connecting section 3-3; end cover 4 is installed to the back lower extreme, and the bottom of end cover 4 is equipped with the installation breach 5 that supplies connecting piece 3 to pass through, and the lateral part of end cover 4 is provided with corresponding to the position of installation breach 5 with the communicating sunshade installing port 6 of installation breach 5, installs detachable sunshade 7 on the sunshade installing port 6. The lower part of the backrest refers to one end of the backrest close to the seat cushion, and the length of the lower part of the backrest occupies 1/3-1/2 of the length of the backrest; the bottom of the cushion refers to one end of the cushion, which is far away from the backrest; the lower end of the backrest refers to the position of the backrest close to the cushion, and the height of the backrest is 2-10 cm; the bottom of the end cover is in contact with the lower end of the backrest along the direction from the upper end to the lower end of the backrest and is vertical to one surface of the backrest; the side portion of the end cover means a portion extending in a direction toward the seat cushion.

The connecting structure mainly lies in the connecting structure between the backrest and the cushion in the embodiment, firstly, a backrest shell 16 is poured by plastic, a fixing groove 1 is arranged on the outer side of the lower end of the backrest shell 16, the width of the fixing groove 1 is 20% -60% of the width of the backrest, too wide causes instability of the backrest structure and easy breakage, a connecting piece 3 is made of metal, a first connecting section 3-1 and a second connecting section 3-2 of the connecting piece 3 are 100-150 degrees, the second connecting piece 3-2 and a third connecting piece 3-3 are 100-150 degrees, the first connecting section 3-1 is placed in the fixing groove 1, and if the fixing groove 1 is too narrow and is not enough to be placed, the depth of the fixing groove 1 is larger than the thickness of the connecting piece 3. The first connecting section 3-1 of the connecting piece 3 is fixed in the fixing groove 1, and the third connecting section 3-3 is fixed on the fixing piece 2 below the cushion. In addition, because the connecting piece 3 after connecting can show out between back and cushion, in order not to influence pleasing to the eye, in this embodiment, still install end cover 4 at the lower extreme of back, the lower extreme of back is lived in the parcel of end cover 4 upper portion, but is equipped with a breach in the inboard of back, and this breach is mainly convenient for the sunshade and is connected with the back, and the bottom of end cover 4 is equipped with installation breach 5, just adapts to the shape of connecting piece 3 when the installation, can not be because of the unable installation of blockking of connecting piece 3. Meanwhile, because the side of the connecting piece 3 far away from the end cover 4 is exposed due to the existence of the installation notch 5, the first connecting section 3-1 and the second connecting section 3-2 of the connecting piece 3 are exposed at the side of the cover plate 7, and therefore the cover plate 7 needs to cover the first connecting section 3-1 and the second connecting section 3-2 corresponding to the shape of the connecting plate, and in order to fix the cover plate 7, the side of the end cover 4 is provided with a cover plate installation opening 6 communicated with the installation notch 5. The shape and size of the shielding plate 7 are matched with the channel formed by the mounting notch 5 and the shielding plate mounting opening 6 arranged on the end cover 4, so that the structure is more attractive.

In this embodiment, as shown in fig. 1, one end of the connecting member 3 is fixed to the fixing groove 1, and a fixing plate 10 for fixing the connecting member 3 is disposed on the fixing groove 1. Fixed slot 1 is the rectangle with fixed plate 10, fixed plate 10 makes fixed plate 10 and connecting piece 3, connecting piece 3 and 1 bottom in close contact with in fixed slot, in order to make two liang of in close contact with between the three in order to prevent that connecting piece 3 is fixed insecure, as figure 7, four angle departments of mounting 2 are equipped with the screw, cover mounting 2 back on connecting piece 3, install screw fixation mounting 2 additional on four screws of mounting 2, guarantee the stability of this department structure when making connecting piece 3 realize the embedded in the back. In this embodiment, in order to ensure the aesthetic appearance of the structures, the fixing plate 10 has the same width as the fixing groove 1. Make the big or small shape of fixed plate 10 just with fixed slot 1 phase-match, and install fixed plate 10 back, fixed plate 10 just levels with the back face, can not take place fixed plate 10 and be located the height that is higher than or is less than other positions of back, and form arch or recess, influence the pleasing to the eye effect of structure. The connecting piece 3 is fixed, after the fixing plate 10 is fixed, sponge is wrapped in the front of the whole backrest shell 16, which is in contact with a human body, and the sponge is fixed behind the backrest shell 16 through a gun nail, and is 3-4.5cm thick, so that the comfort level is improved. Then, a backrest cover made of a cloth material is sleeved on the backrest shell 16 wrapped with the sponge, the backrest cover is sleeved from the top end of the backrest shell 16 to the bottom end of the backrest shell 16, and the backrest cover is fixed at the bottom end of the backrest shell 16 in a manner of a gun nail. Therefore, a complete and attractive backrest structure is realized, wherein the backrest sleeve is a cotton body and is 0.25-0.35cm thick, and the comfort level is further improved. In this embodiment, when the connecting member 3 is connected to the fixing member 2 except one end fixed to the backrest, as shown in fig. 2, the fixing member 2 is integrally formed with the rotating tray at the bottom of the seat cushion, and the third connecting section 3-3 is provided with a first connecting hole 8; the fixing piece 2 is provided with a second connecting hole 9; the first connection hole 8 is matched with the second connection hole 9. During connection, the three second connecting holes 9 in the fixing piece 2 are aligned with the three first connecting holes 8 in the third connecting sections 3-3, screws are additionally arranged for fixation, a stable triangular shape is formed among the three connecting holes, the triangular structure is stable, the connecting piece 3 can be firmly fixed on the fixing piece 2, the situation of swinging uncertainty can not occur, and abnormal sound can not be caused.

The top end of the end cover 4 is required to wrap the lower end of the backrest, so that the large width of the upper end of the end cover 4 is the same as the width of the backrest, and the cover plate mounting opening 6 is only required to be matched with the cover plate 7 to cover the connecting piece 3, so that the connecting piece is not required to be arranged wider. I.e. without wasting material, can be connected with the cover plate 7, and ensure that the cover plate 7 can completely cover the exposed connecting piece 3. When the end cap 4 is attached, the lower end of the end cap 4 is provided with a first fixing hole 11 for fixing with the backrest, except that the upper end of the end cap 4 is nested on the surface of the lower end of the backrest, as shown in fig. 3. First fixed orifices 11 can set up a plurality ofly, are located the bottom at the installation breach 5 both sides of end cover 4 respectively, through install the screw additional in first fixed orifices 11, firmly fix together with the back. In the figure, 5, a fixed support column 14 for fixing the connecting piece 3 is arranged at the installation notch 5 on the inner surface of the end cover 4. The fixed support columns 14 are just positioned at two sides of the connecting piece 3, on one hand, the connecting piece 3 is fixed to keep a stable structure in the end cover 4, and on the other hand, the fixed support columns are propped against the bottom end of the fixed groove 1, so that the structure of the end cover 4 at the position cannot be easily damaged due to hollowness. In addition, as shown in fig. 5 and 6, in order to ensure the stable connection of the shutter 7, the inner surface of the shutter mounting opening 6 is provided with a connecting cylinder 12; two sides of the shield plate 7 are provided with mounting bulges facing the shield plate mounting opening 6, and the mounting bulges are provided with connecting columns 13 corresponding to the connecting cylinders 12. The connecting cylinders 12 are provided at both sides of the connecting member 3 to prevent the connecting member 3 from being stopped and thus not mounted, and the connecting cylinders 12 are matched with the connecting posts 13, so that the connecting cylinders 12 are provided at the inner surface corresponding to the mounting holes 6 of the shutter to be nested with the connecting cylinders 12 of the shutter 7. And because the distance between the inner surfaces of the end covers 4 at the positions of the shielding plate 7 and the shielding plate mounting opening 6 is longer, the connecting cylinder 12 and the connecting column 13 are made of plastic materials and cannot bear larger force, if the connecting column 13 is too long, the connecting column is easy to break, and therefore mounting bulges are arranged on two sides of the shielding plate 7, so that the connecting column 13 and the connecting cylinder 12 are both shorter and are not damaged. The nested connection between the cover 7 and the end cover 4 is not stable enough, and the outer surface of the cover 7 is provided with a second fixing hole 15 for connecting with the backrest. The number of the second fixing holes 15 is at least two, the second fixing holes are respectively distributed at the upper end close to the backrest and positioned at two sides of the shielding plate 7, the second fixing holes 15 are fixed with the backrest by mounting screws in a false mode, and the second fixing holes are connected from two sides, so that the structural stability is improved. In addition, the end cap 4 and the shielding plate 7 are made of plastic. The plastic material is easy to form, simple to manufacture, low in manufacturing cost and good in economic benefit.

Although embodiments of the present invention have been described, various changes or modifications may be made by one of ordinary skill in the art within the scope of the appended claims.

Claims

1. The utility model provides an office chair, includes back, cushion and connects the connecting piece of back and cushion, its characterized in that:

the lower part of the backrest is provided with a fixing groove for fixing the connecting piece;

the bottom of the cushion is provided with a fixing piece for fixing the connecting piece;

the connecting piece comprises a first connecting section fixed in the fixing groove, a third connecting section fixed in the fixing piece and a second connecting section positioned between the first connecting section and the third connecting section;

the end cover is installed to the back lower extreme, the bottom of end cover is equipped with the confession the installation breach that the connecting piece passes through, the lateral part of end cover correspond to the position of installation breach be provided with the communicating sunshade installing port of installation breach, install the detachable sunshade on the sunshade installing port.

2. An office chair as claimed in claim 1, wherein:

the third connecting section is provided with a first connecting hole;

the fixing piece is provided with a second connecting hole;

the first connecting hole is matched with the second connecting hole.

3. An office chair as claimed in claim 1, wherein:

and the fixing groove is provided with a fixing plate for fixing the connecting piece.

4. An office chair as claimed in claim 3, wherein:

the fixing plate and the fixing groove are equal in width.

5. An office chair as claimed in claim 1, wherein:

the width of the end cover is gradually reduced from the top end to the bottom end.

6. An office chair as claimed in claim 1, wherein:

the lower end of the end cover is provided with a first fixing hole used for being fixed with a backrest.

7. An office chair as claimed in claim 1, wherein:

the inner surface of the shutter mounting port is provided with a connecting cylinder;

the sunshade both sides are equipped with the orientation the installation arch of sunshade installing port, be equipped with on the installation arch be used for with connect the spliced pole that a section of thick bamboo corresponds.

8. An office chair as claimed in claim 1, wherein:

and a fixing support column for fixing the connecting piece is arranged at the mounting notch on the inner surface of the end cover.

9. An office chair as claimed in claim 1, wherein:

the outer surface of the shielding plate is provided with a second fixing hole used for being connected with the backrest.

10. An office chair as claimed in claim 1, wherein:

the end cover and the shielding plate are made of plastic materials.