CN209915475U

CN209915475U - Seat back supporting structure

Info

Publication number: CN209915475U
Application number: CN201920512132.0U
Authority: CN
Inventors: 揭求凤
Original assignee: Dongguan Jiasi Furniture Co Ltd
Current assignee: Dongguan Jiasi Furniture Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-10
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a seat back bearing structure, which comprises a seat board, one side of bedplate has the back of the body chair through the bull stick rotation, be equipped with the trompil on the back of the body chair, the surface of bull stick and the inside that is located the trompil are fixed with the bustle through the connecting block, the fixed surface of back of the body chair has the connecting rod that is the line of falling L, the bottom mounting of connecting rod has the fixed plate, and is fixed with the spring between the bottom of the top of fixed plate and bedplate, the bottom of bedplate is fixed with the stabilizing block, and rotates on the stabilizing block and have an axle piece, stipulate respectively on the axle piece has interlock piece and movable block, and is fixed with the quarter butt on the movable block, the utility model relates to a seat technical field. This seat back support structure has solved ordinary seat and has not had the support function to the back, leads to the user to produce bad position of sitting, and the serious problem of waist atress for the user can keep the correct position of sitting always, is favorable to user's healthy.

Description

Seat back supporting structure

Technical Field

The utility model relates to a seat technical field specifically is a seat back bearing structure.

Background

The chair is a seat with a backrest and armrests, a common chair has no function of supporting the back, so that a user can have an undesirable sitting posture, the user cannot actively keep a correct sitting posture, the user in the development period agrees to have a humpback phenomenon, the frequent maintenance of the undesirable sitting posture can seriously affect the health of the user, the stress on the waist is serious, the waist cannot be relieved, the lumbar disc herniation is easy, and the health and the life of people are greatly affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a seat back bearing structure has solved ordinary seat and has not had the support function to the back, leads to the user to produce bad position of sitting, the serious problem of waist atress.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a back supporting structure of a seat comprises a seat board, wherein a back chair is arranged on one side of the seat board through a rotating rod in a rotating mode, an opening is formed in the back chair, a waist pad is fixed on the surface of the rotating rod and located inside the opening through a connecting block, a connecting rod in an inverted L shape is fixed on the surface of the back chair, a fixing plate is fixed at the bottom end of the connecting rod, and a spring is fixed between the top of the fixing plate and the bottom of the seat board;

the bottom of bedplate is fixed with the stabilizing block, and rotates on the stabilizing block and has the axle piece, be stipulated respectively on the axle piece and have interlock piece and movable block, and be fixed with the quarter butt on the movable block, be fixed with the turning block on the turning bar, and the quarter butt slides in the inside of turning block, be fixed with the axostylus axostyle through the fixed block on the fixed plate, and the surface of axostylus axostyle slides in the inside of interlock piece.

Preferably, the inside of turning block is provided with the spout with short rod looks adaptation, and is provided with the spacing groove with axostylus axostyle looks adaptation on the interlock piece.

Preferably, a back cushion is fixed on one side of the surface of the back chair.

Preferably, the linkage block and the moving block are arranged on the shaft block at an angle of 120 degrees.

Preferably, a handrail is fixed on the top of the seat plate.

Preferably, the bottom of the seat board is fixed with a fixing leg, and a stabilizing foot is fixed on the fixing leg.

Advantageous effects

The utility model provides a seat back bearing structure. The method has the following beneficial effects:

(1) this back of seat bearing structure, it removes to drive the axostylus axostyle through the fixed plate, the surface of axostylus axostyle slides in the inside of interlock piece, make the interlock piece drive movable block and quarter butt rotate, the inside of turning block is provided with the spout with quarter butt looks adaptation, make the turning block drive the bull butt and rotate, the bull butt passes through the connecting block and drives the bustle, be close to user's waist, it is tired to apply the holding power user and alleviate back, it does not have the support function to the back to have solved ordinary seat, lead to the user can produce bad position of sitting, the serious problem of waist atress, make the user can keep the exact position of sitting always, be favorable to user.

(2) This seat back bearing structure, when leaning on through the back of the body chair, the back of the body chair passes through the connecting rod and drives the fixed plate removal, is fixed with the spring between the top through the fixed plate and the bottom of bedplate, cushions, and the bottom of rethread bedplate is fixed with the fixed leg, and is fixed with on the fixed leg and stabilizes the foot, guarantees the comfortable type of seat, has improved the stability of seat greatly.

Drawings

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

fig. 2 is a side view of the structure of the present invention.

In the figure: the chair comprises a seat board 1, a rotating rod 2, a back chair 3, a hole 4, a connecting block 5, a waist cushion 6, a connecting rod 7, a fixing plate 8, a spring 9, a stabilizing block 10, a linkage block 11, a moving block 12, a short rod 13, a rotating block 14, a fixing block 15, a shaft lever 16, a back cushion 17, a handrail 18 and a fixing leg 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a back supporting structure of a seat comprises a seat board 1, wherein a back chair 3 is rotated on one side of the seat board 1 through a rotating rod 2, an opening 4 is formed in the back chair 3, a waist cushion 6 is fixed on the surface of the rotating rod 2 and positioned in the opening 4 through a connecting block 5, a connecting rod 7 in an inverted L shape is fixed on the surface of the back chair 3, a fixing plate 8 is fixed at the bottom end of the connecting rod 7, and a spring 9 is fixed between the top of the fixing plate 8 and the bottom of the seat board 1 for buffering;

a stable block 10 is fixed at the bottom of the seat plate 1, a shaft block is rotatably arranged on the stable block 10, a linkage block 11 and a moving block 12 are respectively regulated on the shaft block, the linkage block 11 and the moving block 12 are arranged on the shaft block at 120 degrees, a short rod 13 is fixed on the moving block 12, a rotating block 14 is fixed on the rotating rod 2, the short rod 13 slides in the rotating block 14, a shaft rod 16 is fixed on the fixed plate 8 through a fixed block 15, the surface of the shaft rod 16 slides in the linkage block 11, a sliding groove matched with the short rod 13 is arranged in the rotating block 14, and a limit groove matched with the shaft rod 16 is arranged on the linkage block 11;

as shown in fig. 1, a back cushion 17 is fixed on one side of the surface of the back chair 3, a handrail 18 is fixed on the top of the seat plate 1, a fixing leg 19 is fixed on the bottom of the seat plate 1, and a stabilizing foot is fixed on the fixing leg 19, so that the stability of the seat is maintained.

During the use, the user sits on bedplate 1, when leaning on to back chair 3, back chair 3 passes through connecting rod 7 and drives fixed plate 8 and remove, be fixed with spring 9 between the top through fixed plate 8 and the bottom of bedplate 1, cushion, fixed plate 8 drives axostylus axostyle 16 and removes simultaneously, the surface of axostylus axostyle 16 slides in the inside of interlock piece 11, make interlock piece 11 drive movable block 12 and short bar 13 rotate, the inside of turning block 14 is provided with the spout with short bar 13 looks adaptation, make turning block 14 drive bull stick 2 and rotate, bull stick 2 drives waist pad 6 through connecting block 5, be close to user's waist, it alleviates back fatigue to exert the holding power user.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A seat back support structure comprising a seat pan (1), characterized in that: a back chair (3) is rotated on one side of the seat plate (1) through a rotating rod (2), a hole (4) is formed in the back chair (3), a waist pad (6) is fixed on the surface of the rotating rod (2) and located inside the hole (4) through a connecting block (5), a connecting rod (7) in an inverted L shape is fixed on the surface of the back chair (3), a fixing plate (8) is fixed at the bottom end of the connecting rod (7), and a spring (9) is fixed between the top of the fixing plate (8) and the bottom of the seat plate (1);

the bottom of bedplate (1) is fixed with stabilizing block (10), and rotates on stabilizing block (10) and has a shaft piece, be stipulated interlock piece (11) and movable block (12) respectively on the shaft piece, and be fixed with short bar (13) on movable block (12), be fixed with turning block (14) on bull stick (2), and short bar (13) slide in the inside of turning block (14), be fixed with axostylus axostyle (16) through fixed block (15) on fixed plate (8), and the surface of axostylus axostyle (16) slides in the inside of interlock piece (11).

2. A seat back support structure according to claim 1, wherein: the inside of turning block (14) is provided with the spout with short rod (13) looks adaptation, and is provided with the spacing groove with axostylus axostyle (16) looks adaptation on interlock piece (11).

3. A seat back support structure according to claim 1, wherein: a back cushion (17) is fixed on one side of the surface of the back chair (3).

4. A seat back support structure according to claim 1, wherein: the linkage block (11) and the moving block (12) are arranged on the shaft block at an angle of 120 degrees.

5. A seat back support structure according to claim 1, wherein: the top of the seat board (1) is fixed with a handrail (18).

6. A seat back support structure according to claim 1, wherein: the bottom of the seat board (1) is fixed with a fixed leg (19), and a stable foot is fixed on the fixed leg (19).