CN212630348U

CN212630348U - Elastic seat structure

Info

Publication number: CN212630348U
Application number: CN202020574152.3U
Authority: CN
Inventors: 叶金
Original assignee: UE Furniture Co Ltd
Current assignee: UE Furniture Co Ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-03-02
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses an elasticity seat structure, including seat support subassembly, the back of the chair and elastic component, the seat support subassembly include seat support surrounding rod and support frame, each both sides of the back of the chair are equipped with a back of the body side pole, the back of the body side pole rotates with seat support surrounding rod rear end to be connected, elastic component include the elasticity strip, the elasticity strip is connected between seat support subassembly and the back of the chair, and the elasticity strip configuration provides the elasticity that resets for the elasticity strip production deformation when the back of the chair rotates. The utility model discloses an elasticity seat structure, normal running fit between its back of the chair and the seat support, and be equipped with the elasticity strip between seat support and the back of the chair, can provide the elasticity that resets after the back of the chair rotates, not only accord with the back of the chair can backward pivoted human engineering, and seat structural design is simple moreover, need not complicated resilient means, has saved the cost.

Description

Elastic seat structure

Technical Field

The utility model relates to a seat field, in particular to elasticity seat structure.

Background

Ergonomic chairs are typically constructed so that the back of the chair can recline alone, the chair and back of the chair can recline in their entirety, or the back of the chair can recline in a coordinated proportion with the seat, both of which are referred to as "synchro-reclining" chairs. Most synchronous recliners have a mechanism for loading a spring as the user reclines and a mechanism for adjusting the resistance to recline (also known as tilt or chair tension). However, in these chairs, it is often necessary to provide a base beneath the chair, on which a series of relatively complex spring-loaded mechanisms and associated components are attached to the back and seat, and the chairs are often complex and costly.

Chinese utility model patent CN201420116626.4 discloses an "elastic chair structure with buffer adjustment", which comprises: the chair back support part can be a plate or an iron pipe, a plurality of U-shaped elastic sheets are distributed on the front surface of the chair back support part at intervals, a first fixing part of each U-shaped elastic sheet is fixed on the chair back support part, a plurality of back support blocks are slightly in the shape corresponding to the back of a human body, the bottom surface of each back support block is fixed on a second fixing part of the corresponding U-shaped elastic sheet, and therefore when the back of the human body lies on the back support blocks, the back support blocks are independent from each other and can be adjusted to stretch according to the stress condition, and the optimal buffering and adjusting effects are achieved. Although the elastic chair structure can realize the function of elastic buffer storage of the chair back when a human body leans backwards, the chair structure is complicated, and the plurality of U-shaped elastic sheets are arranged on the supporting part of the chair back, so that the assembly is not easy and the production cost is high.

Disclosure of Invention

The utility model overcomes exist not enough among the above-mentioned prior art, provide an elasticity seat structure, elasticity seat structure back of the chair and seat support normal running fit, be equipped with the elasticity strip between seat support and the back of the chair, the elasticity strip configuration produces deformation and provides the elasticity that resets when the back of the chair rotates, this seat structural design is simple and accords with the back of the chair can backward pivoted human engineering simultaneously.

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

the utility model provides an elasticity seat structure, includes the seat support subassembly, the back of the chair and elastic component, the seat support subassembly include that the seat support encloses pole and support frame, each both sides of the back of the chair are equipped with a back of the body side pole, and the back of the body side pole is connected with the rotation of seat support enclosing pole rear end, elastic component include the elasticity strip, the elasticity strip is connected between the seat support subassembly and the back of the chair, and the elasticity strip configuration produces deformation and provides elasticity that resets when the back of the chair rotates.

The utility model discloses an elasticity seat structure, normal running fit between its back of the chair and the seat support is equipped with the elasticity that resets when elasticity strip provides the rotation between seat support and the back of the chair, not only accords with the back of the chair and can backward pivoted human engineering, and seat structural design is simple moreover, need not complicated resilient means, has saved the cost.

Preferably, the seat support encloses the pole and is the U type, the seat support enclose the pole and surround in the support frame periphery, and the seat support encloses the pole and encloses the pole including preceding pole and left and right pole, the rear end that encloses the pole on a left side and right side upwards extends the bracing piece, the upper end and the dorsal part pole lower extreme of bracing piece rotate and be connected.

Preferably, the chair back is U-shaped and comprises a back top rod, and the back side rods are connected to the left end and the right end of the back top rod.

Preferably, two ends of the elastic strip are respectively positioned at the upper side and the lower side of the rotary connecting position of the back side rod and the supporting rod.

Preferably, the folding chair further comprises reinforcing rods, and the reinforcing rods are welded on the inner sides of the left enclosing rod and the right enclosing rod respectively. Through the connection of the reinforcing rods, the seat structure can provide more stable support when the chair back is rotated and reset.

Preferably, the lower end of the elastic strip is fixed on the reinforcing rod.

Preferably, the front surrounding rod, the left surrounding rod, the right surrounding rod and the supporting rod are integrally formed by bending metal pipes. The chair seat surrounding rod is integrally formed, so that the chair seat assembly is stronger in integrity, and the installation time is saved.

Preferably, the back support rod and the back support rod are integrally formed by bending a metal pipe. The chair back integrated into one piece design makes seat support subassembly wholeness stronger, saves installation time.

Preferably, the device also comprises a rotating assembly, and the supporting rod is in rotating fit with the back rod through the rotating assembly; the rotating assembly comprises two rotating parts which are in rotating fit. The supporting rod and the back rod are in rotating fit through the rotating assembly, the rotating assembly is simple in structure, and the rotating requirements are met through simple design by the aid of the rotating assemblies in rotating fit.

Preferably, the rotating parts comprise a connecting transverse plate and a connecting vertical plate, the connecting transverse plate on one rotating part is welded and fixed with the supporting rod, and the connecting transverse plate on the other rotating part is welded and fixed with the back side rod. Fixed by welding, the screw installation time is saved

Preferably, the connecting vertical plate of the two rotating parts is provided with a through hole, and the two rotating parts are in rotating fit through a rotating shaft inserted into the through hole.

Preferably, the connecting vertical plates of the two rotating parts are provided with limiting mechanisms, each limiting mechanism comprises a limiting column and a limiting groove, the limiting column is arranged on the connecting vertical plate of one rotating part, and the limiting groove is arranged on the connecting vertical plate of the other rotating part. The rotation range of the chair back is limited by the limiting columns and the limiting grooves, and during assembly, the limiting columns only need to be inserted into the limiting grooves, so that the positioning is fast, and the connection is convenient.

Preferably, the support frame include many support horizontal poles and support vertical pole, support horizontal pole about both ends connect on left and right rail, support vertical pole interval install on connecting the horizontal pole. The support cross rods and the support longitudinal rods are connected in a longitudinal and transverse mode, so that the support strength of the chair seat is ensured.

Preferably, the chair back is further provided with a plurality of S-shaped springs, and the left end and the right end of each S-shaped spring are respectively connected to the back side rods. The S-shaped spring is arranged on the chair back, so that the supporting strength can be met, and the comfort in use is improved.

Preferably, the elastic strip is made of spring steel or elastic plastic. The spring steel or elastic plastic material is adopted, the material price is lower, and the processing and production cost is saved.

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

the utility model provides an elasticity seat structure compares prior art moreover, elasticity seat structure make the back of the chair can carry out the backward rotation of certain angle for the seat support, accord with human engineering to this seat simple structure need not to set up the backward rotation that the back of the chair can be realized to relevant subassemblies such as base in the seat bottom, simple structure can reach the result of use again, the cost is reduced greatly.

Furthermore, as the chair seat component is fixed, one end of the elastic strip is connected with the chair seat component, and the other end of the elastic strip deforms along with the chair back to generate elastic deformation so as to provide resetting elasticity for the chair back; because the elastic strip is a strip-shaped body, the installation is more convenient, the volume of the rotary joint of the chair back can be reduced, and the assembly difficulty is reduced.

Drawings

Fig. 1 is a schematic perspective view of the front side of the elastic seat structure in the embodiment of the present invention;

fig. 2 is a schematic perspective view of the side of the elastic seat structure in the embodiment of the present invention;

fig. 3 is a schematic perspective view illustrating the backward rotation of the elastic seat structure according to the embodiment of the present invention;

fig. 4 is a schematic perspective view illustrating the elastic seat structure of the embodiment of the present invention when the elastic seat structure is rotated backward to a maximum angle;

fig. 5 is a schematic perspective view of the rotating assembly and the elastic assembly according to the embodiment of the present invention;

the figures are numbered: a seat assembly 1; a chair back 2; an elastic member 3; a seat surrounding rod 4; a support frame 5; a front surrounding rod 6; a left surrounding rod 7; a right surrounding rod 8; a support bar 9; a back-up bar 10; a back side plate 11; a reinforcing rod 12; a rotating assembly 13; an upper rotating member 14; a lower rotating member 15; a first connecting cross plate 16; a first connecting upright plate 17; a second connecting cross plate 18; a second connecting upright plate 19; a stopper post 20; a limit groove 21; an S-shaped spring 22; a support rail 23; a support side rail 24; an elastic strip 25; a first connection portion 26; a second connection portion 27; a shaft 28.

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.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

as shown in fig. 1-5, the present invention provides a flexible chair structure, which comprises a seat assembly 1, a backrest 2 and a flexible assembly 3.

As shown in fig. 1-4, the seat assembly 1 includes a seat surrounding rod 4 and a supporting frame 5, wherein the seat surrounding rod 4 surrounds the periphery of the supporting frame 5; the chair seat surrounding rod 4 is U-shaped, and the chair seat surrounding rod 4 comprises a front surrounding rod 6, a left surrounding rod 7 and a right surrounding rod 8; the rear ends of the left and right surrounding

rods

7 and 8 extend upwards to form a support rod 9 along the vertical direction; the front surrounding rod 6, the left surrounding rods 7, the right surrounding rods 8 and the supporting rod 9 are integrally formed by bending metal pipes, and the chair seat surrounding rod 4 is stronger in integrity by bending the metal pipes.

As shown in fig. 1 and 4, a reinforcing rod 12 is welded to the inner sides of the left and right surrounding

rods

7, 8, the shape of the reinforcing rod 12 is consistent with the contours of the left and right surrounding

rods

7, 8 and the supporting rod 9, and when the reinforcing rod 12 is connected, the reinforcing rod is welded and fixed to the inner sides of the left and right surrounding

rods

7, 8 and the supporting rod 9. Through the connection of the reinforcing rods, the seat structure can provide more stable support when the chair back is rotated and reset.

As shown in fig. 1 and 4, the chair back 2 is also U-shaped, the chair back 2 includes a back top rod 10 and a back side rod 11, the back top rod 10 and the back side rod 11 are also integrally formed by bending metal pipes, and the back side rod 11 is connected to the left and right ends of the back top rod 10.

As shown in fig. 1, 3 and 5, the seat assembly and the backrest are rotatably engaged, specifically: the lower end of a back side rod 11 of the chair back 2 is in running fit with the upper end of a support rod 9 of the chair seat component 1 through a rotating component 13; the rotating assembly 13 comprises an upper rotating member 14 and a lower rotating member 15 which are in rotating fit, and the upper rotating member 14 comprises a first connecting transverse plate 16 and a first connecting vertical plate 17; the lower rotating member 15 includes a second horizontal connecting plate 18 and a second vertical connecting plate 19.

The specific rotary connection mode is as follows: the lower end of the back side rod 11 is welded with the first connecting transverse plate 16 of the upper rotating part 14, and the upper ends of the support rod 9 and the reinforcing rod 12 are welded with the second connecting transverse plate 18 of the lower rotating part 15; the connecting vertical plates 16 on the upper rotating member 14 and the lower rotating member 15 are mutually close to each other, through holes are formed in the first connecting vertical plate 17 and the second connecting vertical plate 19, and when the connecting device is assembled, the first connecting vertical plate 17 and the second connecting vertical plate 19 are inserted into the rotating shaft 28 to realize rotating fit after being closely matched.

As shown in fig. 5, a limiting mechanism is provided between the upper and lower

rotating parts

14, 15, specifically: the first connecting vertical plate 17 is provided with a limiting column 20, the second connecting vertical plate 19 is provided with a limiting groove 21, and when the first connecting vertical plate and the second connecting vertical plate are matched, the limiting column 20 is inserted into the limiting groove 21, and the limiting column 20 can slide left and right in the limiting groove 21. As shown in fig. 1, when the seat is in a normal state, the limit post 20 is located at the right end of the limit groove 21; when the chair is used and the chair rotates backwards to the maximum angle, the limiting column 20 is abutted with the left end of the limiting groove 21, and the chair back is limited to rotate backwards further. The rotation range of the chair back is limited by the limiting columns and the limiting grooves, and during assembly, the limiting columns only need to be inserted into the limiting grooves, so that the positioning is fast, and the connection is convenient.

As shown in fig. 1, 3 and 5, the elastic assembly 3 includes an elastic strip 25 and first and

second connection portions

26 and 27, wherein the elastic strip 25 is made of spring steel or elastic plastic, and is generally made of a material and has a low cost. The elastic strip 25 is connected between the back 2 and the seat assembly 1 by a first connecting portion 26 and a second connecting portion 27, specifically: the upper end of the elastic strip 25 is connected with a first connecting part 26, and the first connecting part 26 is welded and fixed on the back side plate 11; the lower end of the elastic strip 25 is connected with a second connecting part 27, and the second connecting part 27 is welded and fixed on the reinforcing rod 12. The first connection portion 26 and the second connection portion 27 are each a sleeve, which facilitates the insertion fitting of the end portions of the elastic strip 25.

When a human body uses the chair, the human body leans backwards to enable the chair back 2 to rotate backwards, so that the elastic strip 25 is stressed to deform, and the elastic strip 25 provides backward buffering elasticity for the chair back 2; when the human body leaves the chair, the elastic strip 25 restores the deformation, and the elastic strip 25 provides the restoring elasticity to restore the chair back 2.

As shown in fig. 1, a plurality of S-shaped springs 22 are further arranged on the chair back at intervals, the left end and the right end of each S-shaped spring 22 are respectively connected to the back side plates 11 on the two sides of the chair back 2, and the S-shaped springs can meet the supporting effect of the chair back and improve the use comfort.

As shown in fig. 1, the supporting frame includes a plurality of supporting cross bars 23 and supporting longitudinal bars 24, the left and right ends of the supporting cross bars 23 are respectively connected to the left and right surrounding

bars

7 and 8, the supporting longitudinal bars 24 are perpendicular to the supporting cross bars 23, and the supporting longitudinal bars 24 are arranged on the supporting cross bars 23 at intervals. The cross support rods 23 and the longitudinal support rods 24 are criss-cross, so that the support strength of the seat can be ensured.

Claims

1. A resilient seat structure characterized by: including seat support subassembly, the back of the chair and elastic component, the seat support subassembly include that the seat support encloses pole and support frame, each both sides of the back of the chair are equipped with a back of the body pole, and the back of the body pole is rotated with seat support enclosing pole rear end and is connected, elastic component include the elasticity strip, the elasticity strip is connected between seat support subassembly and the back of the chair, and the elasticity strip configuration produces deformation and provides the elasticity that resets when the back of the chair rotates.

2. The resilient seat structure of claim 1, wherein: the seat support enclose the pole and be the U type, the seat support enclose the pole and surround in the support frame is peripheral, and the seat support encloses the pole and encloses the pole including preceding enclosing pole and left and right, the rear end that encloses the pole on a left side, the right side upwards extends the bracing piece, the upper end and the dorsal part pole lower extreme of bracing piece rotate and be connected.

3. The resilient seat structure of claim 2, wherein: the chair back is U-shaped and comprises a back ejector rod, and the back side rod is connected to the left end and the right end of the back ejector rod.

4. The resilient seat structure of claim 2, wherein: two ends of the elastic strip are respectively positioned at the upper side and the lower side of the rotary connecting position of the back side rod and the supporting rod.

5. The resilient seat structure of claim 2, wherein: still including the stiffener, the stiffener weld respectively in the inboard of left and right surrounding rod.

6. The resilient seat structure of claim 5, wherein: the lower end of the elastic strip is fixed on the reinforcing rod.

7. The resilient seat structure of claim 2, wherein: the front surrounding rod, the left surrounding rod, the right surrounding rod and the supporting rod are integrally formed by bending metal pipes.

8. The resilient seat structure of claim 3, wherein: the back ejector rod and the back side rod are integrally formed by bending metal pipes.

9. The resilient seat structure of claim 2, wherein: the support rod is in rotating fit with the back rod through the rotating assembly; the rotating assembly comprises two rotating parts which are in rotating fit.

10. The resilient seat structure of claim 9, wherein: the rotating piece comprises a connecting transverse plate and a connecting vertical plate, the connecting transverse plate on one rotating piece is fixedly welded with the supporting rod, and the connecting transverse plate on the other rotating piece is fixedly welded with the back side rod.

11. The resilient seat structure of claim 9, wherein: the connecting vertical plate of the two rotating pieces is provided with a through hole, and the two rotating pieces are in rotating fit through a rotating shaft inserted into the through hole.

12. The resilient seat structure of claim 10, wherein: the vertical connecting plate of the two rotating parts is provided with a limiting mechanism, the limiting mechanism comprises a limiting column and a limiting groove, the limiting column is arranged on the vertical connecting plate of one rotating part, and the limiting groove is arranged on the vertical connecting plate of the other rotating part.

13. The resilient seat structure of claim 2, wherein: the support frame include many support horizontal poles and support vertical pole, support horizontal pole about both ends connect on left and right rail, support vertical pole interval install on supporting the horizontal pole.

14. The resilient seat structure of claim 3, wherein: the chair back is also provided with a plurality of S-shaped springs, and the left end and the right end of each S-shaped spring are respectively connected to the back side rods.

15. The resilient seat structure of claim 1, wherein: the elastic strip is made of spring steel or elastic plastic.