CN217695746U

CN217695746U - Chair back

Info

Publication number: CN217695746U
Application number: CN202123029235.8U
Authority: CN
Inventors: 程军; 莫伟清; 柏夜明
Original assignee: UE Furniture Co Ltd
Current assignee: UE Furniture Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-11-01
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a chair back, which comprises a back frame, wherein an elastic supporting piece for supporting the back is arranged in the frame of the back frame, and the frame of the back frame is filled with the elastic supporting piece; elastic mesh cloth is laid at the front end of the back frame to shield the elastic support piece, and the mesh cloth is matched with the elastic support piece to form double-layer support. When the user that weighs is lighter leans on the back of the chair, provide back support through the screen cloth, even the user leans on backward hard, also can avoid the inside collapse of screen cloth through the further support that provides of elastic support spare. Likewise, when a user with heavy weight leans on the chair back, the elastic support piece can be matched with the mesh cloth to support the back of the user. The chair back is suitable for users of different sizes to lean against through the double-layer supporting structure.

Description

Chair back

Technical Field

The utility model relates to a thing to sit on field, in particular to the back of chair.

Background

The chair is a necessary article for daily life of people, and when people sit on the chair, the back of the people mostly lies on the chair back; however, since the back of the user is prone to pain and discomfort when the user directly leans on the hard back plate, the conventional chair back usually employs a frame with a square-shaped structure, and a mesh is laid in the frame or on the front end surface of the frame to provide the back of the user.

However, when the mesh cloth is additionally arranged on the clip frame, if the mesh cloth is tightened too tightly, the mesh cloth loses elasticity, so that a user with light weight feels uncomfortable when leaning on the mesh cloth. If the net cloth is not tightened but slightly loosened, the net cloth can be inwards collapsed by a user with heavier weight leaning on the net cloth, and the supporting effect is lost.

Disclosure of Invention

The utility model overcomes exist among the above-mentioned prior art not enough, provide one kind and be provided with elastic support piece on the back of the body frame and laid the screen cloth, constitute the seat back of the chair that double-deck support leaned on in order to adapt to different weight users through screen cloth and elastic support piece.

The technical scheme of the utility model is realized like this:

a chair back comprises a back frame, wherein an elastic supporting piece used for providing back support is arranged in the frame of the back frame, and the frame of the back frame is filled with the elastic supporting piece; elastic mesh cloth is laid at the front end of the back frame to shield the elastic support piece, and the mesh cloth is matched with the elastic support piece to form double-layer support.

In a further scheme, the elastic supporting part is of a net structure integrally made of an elastic material, and a plurality of hollow holes are formed in the elastic supporting part.

Because the elastic support part is a net structure integrally made of elastic materials, the elastic support part can improve back support and adjust the elasticity of the elastic support part by changing the size and the number of the hollow holes. And the hollow holes are arranged to facilitate the ventilation of the chair back.

In a further scheme, a groove is formed in the front end face of the back frame, the groove is arranged around the inner frame of the back frame and matched with the inner frame of the back frame to form a step, and the elastic supporting piece is fixedly arranged in the step so that the front end face of the elastic supporting piece is flush with the front end face of the back frame.

Through being equipped with the recess on the preceding terminal surface at the back of the body frame, and the recess encircles the inside casing of the back of the body frame setting cooperation back of the body frame is in order to constitute the step for elastic support piece can be fixed in this step, thereby makes elastic support piece's preceding terminal surface flush with the preceding terminal surface of the back of the body frame, when the screen cloth laid the front end at the back of the body frame so, the screen cloth also is level and smooth, can not have unsmooth sense when the user leans on the screen cloth, leans on and experiences better.

In a further scheme, supporting rib plates are arranged on the left side and the right side of the back frame, the two supporting rib plates protrude towards the rear of the back frame, the two supporting rib plates are close to the middle of the back frame, and the two supporting rib plates are fixedly connected through a connecting piece; the elastic supporting pieces are located in front of the two supporting rib plates, and the left side and the right side of the mesh cloth are stretched backwards and are kept fixed relative to the supporting rib plates to shield the supporting rib plates, so that the mesh cloth is in a tensioning state.

The back frame is supported and reinforced by the support rib plates, and the stability of the structure is improved. And the left side and the right side of the mesh cloth are both stretched backwards and kept relatively fixed with the supporting rib plates, so that the mesh cloth is in a tensioning state, the back of a user can be supported, and the supporting ribs on the two sides can be shielded, and the mesh cloth is more attractive.

In a further scheme, a first clamping groove is formed in the side wall of the back frame, a second clamping groove is formed in the support rib plate, the first clamping groove is communicated with the second clamping groove, and the side edge of the mesh cloth is embedded in the first clamping groove and the second clamping groove to be relatively fixed with the back frame and the support rib plate and shield the side wall of the back frame and the support rib plate. The installation is more convenient.

In a further scheme, the support rib plate is of a triangular structure, the oblique edge on one side of the support rib plate is connected with the side wall of the back frame, and the second clamping groove is arranged at the edge of the support rib plate along the other two oblique edges of the support rib plate.

Because the support rib plate is of a triangular structure, the structural stability is higher. And the second clamping groove is arranged at the edge of the supporting rib plate along the other two oblique edges of the supporting rib plate, so that the mesh cloth is embedded in the second clamping groove to shield the supporting rib plate.

In a further scheme, the connecting piece further comprises a reinforcing cover plate, the reinforcing cover plate is covered on the connecting piece and the two supporting rib plates, and the second clamping grooves on the two supporting rib plates are shielded.

Through be equipped with the enhancement apron at connecting piece and support floor upper cover, further improved the stability of structure. And the second clamping grooves on the two supporting rib plates are shielded by the reinforcing cover plate, so that the novel floor is more attractive.

In a further scheme, one end of the support rib plate, which is close to the back frame, is provided with a plurality of support columns, the support columns abut against the elastic support part to form a support, and screws are inserted between the support columns and the elastic support part to keep relative fixation.

The elastic support members are supported by the support ribs, and the stability of the whole structure is improved. Meanwhile, because the support columns are positioned at one end, close to the back frame, of the support rib plate, interference on the part, used for a user to lean, of the elastic support part can be avoided.

In a further aspect, the support ribs are integrally formed with the back frame.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

1, because be provided with elastic support piece in the frame of back of the body frame, the front end of back of the body frame is spread and is had elastic screen cloth, and the screen cloth cooperation elastic support piece constitutes double-deck support. When the user that weighs is lighter leans on the back of the chair, provide back support through the screen cloth, even the user leans on backward hard, also can avoid the inside collapse of screen cloth through the further support that provides of elastic support spare. Likewise, when a user with heavy weight leans on the chair back, the elastic support piece can be matched with the mesh cloth to support the back of the user. The chair back is suitable for users of different sizes to lean against through the double-layer supporting structure.

2, because the screen cloth is laid at the front end of the back frame, when the screen cloth is matched with the elastic support part to form double-layer support, the screen cloth also forms shielding to the elastic support part, and is more attractive.

3, because the frame of back frame is filled up through elastic support spare, so when the user leaned on the back of the chair, user's whole back all can be supported through elastic support spare, and is more comfortable, and the structure is also more reliable and more stable.

Drawings

FIG. 1 is a schematic view of a chair with a chair back;

FIG. 2 is a rear view of the seat with the seat back;

FIG. 3 is a schematic view and a partial enlarged view of a mesh removed from a seat with a seatback;

FIG. 4 is a schematic view of the structure of the seat with the seat back with the mesh removed and the elastic support members detached from the back frame;

FIG. 5 is a schematic view of the chair with the back in another perspective;

fig. 6 is a schematic structural view of the seat with the seat back, wherein the mesh, the elastic supporting member and the back frame are in the disassembled state.

The various reference numbers are: 1-back frame, 2-elastic supporting piece, 3-hollowed-out hole, 4-step, 5-mesh, 6-supporting rib plate, 7-connecting piece, 8-first clamping groove, 9-second clamping groove, 10-reinforcing cover plate and 11-supporting column.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The specific implementation manner of the utility model is as follows:

example (b): as shown in fig. 1-6, the present invention provides a chair back, which comprises a back frame 1, wherein an elastic support member 2 for supporting the back is disposed in the back frame 1, and the back frame 1 is filled with the elastic support member 2. In this embodiment, the elastic supporting member 2 is a mesh structure integrally made of an elastic material, and the elastic supporting member 2 has a plurality of hollow holes 3. Because the elastic support member 2 is a net structure made of elastic material, the elastic support member 2 can be adjusted by changing the size and number of the hollow holes 3 while the back support of the elastic support member 2 can be improved. And the hollow holes 3 are arranged to facilitate the ventilation of the chair back. In the case that the elastic support member 2 can provide an elastic support effect for the user, the elastic support member 2 may be made of any elastic material in the prior art, such as elastic plastic or rubber.

But to facilitate the positioning of the elastic support 2. Referring to fig. 3 and 4, in the present embodiment, a groove is formed on the front end surface of the back frame 1, and the groove is disposed around the inner frame of the back frame 1 and cooperates with the inner frame of the back frame 1 to form a step 4. The elastic supporting piece 2 is arranged in the step 4, and a screw is inserted into the elastic supporting piece 2, penetrates through the elastic supporting piece 2 and is in threaded connection with the back frame 1, so that the elastic supporting piece 2 and the back frame 1 are kept relatively fixed. And the front end surface of the elastic supporting piece 2 is flush with the front end surface of the back frame 1.

Meanwhile, as shown in fig. 1 and 5, the front end of the back frame 1 is laid with a mesh cloth 5 having elasticity to shield the elastic support member 2. And the mesh cloth 5 is matched with the elastic supporting piece 2 to form a double-layer support. When a user with lighter weight leans against the chair back, the back support is provided by the mesh cloth 5, and even if the user leans backwards with force, the mesh cloth 5 can be further supported by the elastic support piece 2 to avoid collapsing inwards. Likewise, when a heavy user leans on the back of the chair, the user can also be supported on the back by the elastic support 2 in cooperation with the mesh cloth 5. The chair back is suitable for users of different sizes to lean against through the double-layer supporting structure.

And because in this scheme, elastic support piece 2's preceding terminal surface flushes with the preceding terminal surface of back of the body frame 1, so when screen cloth 5 laid the front end of back of the body frame 1, screen cloth 5 also was smooth, and the user can not have unsmooth sense when leaning on screen cloth 5, leans on and experiences better.

As shown in fig. 4-6, the back frame 1 of the present solution is further provided with support rib plates 6 on the left and right sides, and the support rib plates 6 and the back frame 1 are integrally formed. Two support rib plates 6 all bulge to the rear of frame 1 of the back of the body, and two support rib plates 6 all draw close to the middle part of frame 1 of the back of the body, pass through connecting piece 7 fixed connection between two support rib plates 6. The elastic support 2 is located in front of the two support ribs 6 to avoid interference of the support ribs 6 when the user leans on the elastic support 2.

And the left and right sides of screen cloth 5 all backward draft in this scheme and keep relatively fixed with support floor 6 in order to shelter from to the formation of both sides support floor 6 to make screen cloth 5 be in the tensioning state. The back frame 1 is supported and reinforced by the support rib plates 6, so that the structural stability is improved. And the left side and the right side of the mesh cloth 5 are both stretched backwards and kept relatively fixed with the support rib plates 6, so that the mesh cloth 5 is in a tensioning state, can support the back of a user, can shield the support ribs on the two sides, and is more attractive.

But in order to keep the mesh 5 relatively fixed with the back frame 1. In this scheme, the side wall of the back frame 1 is provided with a first clamping groove 8, the support rib plate 6 is provided with a second clamping groove 9, and the first clamping groove 8 is communicated with the second clamping groove 9. In the present embodiment, the supporting rib plate 6 is a triangular structure, the oblique side of one side of the supporting rib plate 6 is connected to the side wall of the back frame 1, and the second locking groove 9 is disposed at the edge of the supporting rib plate 6 along the other two oblique sides of the supporting rib plate 6. The side edge of the mesh 5 is embedded in the first clamping groove 8 and the second clamping groove 9 to keep relatively fixed with the back frame 1 and the supporting rib plate 6. Because the support rib plate 6 is of a triangular structure, the structural stability is higher. And the second draw-in groove 9 sets up in the border department of supporting rib plate 6 along two other hypotenuses of supporting rib plate 6 for screen cloth 5 inlays in second draw-in groove 9 and can form to shelter from supporting rib plate 6. How the side edge of the mesh 5 is embedded in the first clamping groove 8 and the second clamping groove 9 cannot be separated from the back frame 1 and the support rib plate 6 and is kept relatively fixed, a fillet (not shown) can be wrapped on the side edge of the mesh 5, the mesh can be fixed through the friction force between the fillet and the first clamping groove 8 and the second clamping groove 9, and a rivet can be arranged on the part, embedded into the first clamping groove 8 and the second clamping groove 9, of the mesh 5 to realize fixation. The invention is not the focus of innovation, which is common general knowledge of those skilled in the art, and therefore, will not be described in detail.

In the scheme, one end of the support rib plate 6, which is close to the back frame 1, is provided with a plurality of support columns 11, and each support column 11 abuts against the elastic support member 2 to form a support. And a screw is inserted between each supporting column 11 and the elastic support 2 to maintain the relative fixation. The supporting ribs 6 are provided with a plurality of supporting columns 11 to support the elastic supporting part 2, so that the stability of the whole structure is improved. Meanwhile, because the plurality of supporting columns 11 are positioned at one end of the supporting rib plate close to the back frame 1, the part of the elastic supporting piece 2 for a user to lean against cannot be interfered.

In addition, this back of the chair still includes in this scheme strengthens apron 10, strengthens apron 10 lid and locates on connecting piece 7 and two support rib plate 6 to form to shelter from to the second draw-in groove 9 on two support rib plate 6. The stability of the structure is further improved by covering the connecting piece 7 and the supporting rib plate 6 with the reinforcing cover plate 10. And the reinforcing cover plate 10 shields the second clamping grooves 9 on the two supporting rib plates 6, so that the whole chair back is more attractive.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A chair back, characterized in that: the back frame comprises a back frame, wherein an elastic supporting piece for supporting the back is arranged in the back frame, and the back frame is filled with the elastic supporting piece; elastic mesh cloth is laid at the front end of the back frame to shield the elastic support piece, and the mesh cloth is matched with the elastic support piece to form double-layer support.

2. The chair back of claim 1, wherein: the elastic supporting piece is of a net structure integrally made of elastic materials, and a plurality of hollow holes are formed in the elastic supporting piece.

3. The chair back of claim 1, wherein: the elastic support piece is fixedly arranged in the step, so that the front end face of the elastic support piece is flush with the front end face of the back frame.

4. The chair back of claim 1, wherein: the left side and the right side of the back frame are both provided with supporting rib plates, the two supporting rib plates are both protruded towards the rear of the back frame, the two supporting rib plates are both close to the middle of the back frame, and the two supporting rib plates are fixedly connected through a connecting piece; the elastic support piece is positioned in front of the two support rib plates, and the left side and the right side of the mesh cloth are stretched backwards and are kept relatively fixed with the support rib plates to shield the support rib plates, so that the mesh cloth is in a tensioning state.

5. The chair back of claim 4, wherein: the side wall of the back frame is provided with a first clamping groove, the support rib plate is provided with a second clamping groove, the first clamping groove is communicated with the second clamping groove, and the side edge of the mesh cloth is embedded in the first clamping groove and the second clamping groove so as to be relatively fixed with the back frame and the support rib plate and shield the side wall of the back frame and the support rib plate.

6. The chair back of claim 5, wherein: the support rib plate is of a triangular structure, the bevel edge on one side of the support rib plate is connected with the side wall of the back frame, and the second clamping groove is arranged at the edge of the support rib plate along the other two bevel edges of the support rib plate.

7. The chair back of claim 6, wherein: the reinforcing cover plate is arranged on the connecting piece and the two supporting rib plates in a covering mode, and the second clamping grooves in the two supporting rib plates are shielded.

8. The chair back of claim 4, wherein: the supporting rib plate is provided with a plurality of supporting columns at one end close to the back frame, the supporting columns abut against the elastic supporting pieces to form support, and screws are inserted between the supporting columns and the elastic supporting pieces to keep relative fixation.

9. The chair back of claim 4, wherein: the support rib plate and the back frame are integrally formed.