CN211092819U - Design seat with adjustable lumbar support device - Google Patents

Abstract

The utility model belongs to the technical field of seats, in particular to a design seat with an adjustable lumbar support device, comprising a base, a fixing block and a movable shaft. A first gear is fixed on the right side, a second gear is arranged on the right side of the first gear, and a screw rod is arranged on the inner side of the second gear, a threaded sleeve is installed on the top of the screw rod, and the outer wall of the threaded sleeve is provided with a sliding The inner side of the chute is provided with a stop rod, the fixing block is installed on the top of the threaded sleeve, and the top of the fixing block is provided with a seat plate, the outer wall of the seat plate is connected with a connecting plate, and the inner side of the connecting plate penetrates There is a fixing rod, a backrest is installed on the top of the seat plate, a locking column is penetrated through the inner side of the backrest, and a soft pad is installed on the left side of the locking column. The design with the adjustable lumbar support device has the advantages of convenient seat height adjustment, convenient disassembly and transportation of the seat, and high user comfort.

Description

A design seat with adjustable lumbar support

technical field

The utility model relates to the technical field of seats, in particular to a design seat with an adjustable lumbar support device.

Background technique

Seats are tools for rest or office in people's daily life. Different scenes and environments often use different functions and types of seats to meet people's different needs. With the development of technology, people have more and more requirements for seats in office design. As it gets higher, traditional desks and chairs have been unable to fully meet people's office design needs.

At present, the chairs on the market have single fixed legs and cannot adjust the height position. Traditional chairs are generally set in an integrated structure, which is inconvenient for users to disassemble the chair and lack the support device for the waist and head. The disadvantages lead to inconvenient height adjustment, inconvenient disassembly and transportation of the seat, and poor user comfort. A new type of seat with convenient height adjustment, convenient disassembly and transportation of the seat, and high user comfort is required.

In view of the above problems, it is urgent to carry out innovative design on the basis of the original seat.

Utility model content

The purpose of the present utility model is to provide a design seat with an adjustable lumbar support device, so as to solve the problem that the table legs of similar products proposed in the above-mentioned background technology are fixed and single, and the height position cannot be adjusted. Due to the integrated structure, it is inconvenient for users to disassemble the seat and lack of support devices for the waist and head, resulting in inconvenient height adjustment, inconvenient disassembly and handling of the seat, and poor user comfort.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a design seat with an adjustable lumbar support device, including a base, a fixed block and a movable shaft, and a rotating rod runs through the left side of the base and rotates. A first gear is fixed on the right side of the rod, a second gear is arranged on the right side of the first gear, and a screw rod is arranged on the inner side of the second gear, a threaded sleeve is installed on the top of the screw rod, and the outer wall of the threaded sleeve is opened There is a chute, and the inner side of the chute is provided with a lever, the fixing block is installed on the top of the threaded sleeve, and the top of the fixing block is provided with a seat plate, the outer wall of the seat plate is connected with a connecting plate, and the connecting plate is A fixing rod runs through the inner side, a backrest is installed on the top of the seat plate, and a locking column is penetrated through the inner side of the backrest, a soft pad is installed on the left side of the locking column, and an interpenetrating rod is arranged in the middle of the soft pad, and the movable The axle is mounted on the top of the backrest, and the headrest is mounted on the top of the movable axle.

Preferably, the base is rotatably connected to the rotating rod through a rotating bearing connected with the base and the rotating rod, and the rotating rod and the first gear are integrally arranged, and the central axis of the first gear and the central axis of the second gear are integrally arranged. The axes are perpendicular.

Preferably, the threaded sleeve forms a lifting structure through the chute and the gear rod, and the threaded sleeve and the screw rod are threadedly connected, and the central axis of the screw rod coincides with the central axis of the base.

Preferably, a detachable structure of the connecting plate is formed by a fixing rod and a fixing block, and two connecting plates are symmetrically arranged with respect to the central axis of the seat plate.

Preferably, the locking column and the soft cushion form a detachable structure through an insertion rod, and the central axis of the locking column is perpendicular to the central axis of the backrest.

Preferably, the headrest is rotatably connected to the backrest through a movable shaft, and the backrest and the seat plate are integrally arranged.

Compared with the prior art, the beneficial effects of the present utility model are: the design of the adjustable lumbar support device has convenient height adjustment of the seat, convenient disassembly and handling of the seat, and high user comfort;

1. The design seat with an adjustable lumbar support device is set through the base, and by rotating the rotating rod inside the base, the first gear drives the second gear to rotate, thereby driving the rotation of the screw. The setting can make the screw drive the threaded sleeve to rise and fall when it rotates, so as to realize the adjustment of the seat height position, and the height position adjustment is flexible and efficient;

2. The design seat with adjustable lumbar support device is set by the connecting plate and the fixing rod. At the top of the fixing block, the seat plate is fixed by the connecting plate and the fixing rod, which can facilitate the installation of the seat plate by the user. It is convenient for users to carry the seat, and the assembly method is simple and efficient;

3. The design seat with an adjustable lumbar support device is installed through the storage board, and the cushion and the locking column are fixed by interspersed and interspersed rods. Due to the setting of the movable shaft, the angle of the headrest can be adjusted according to the user's needs. Adjustment, flexible and efficient structural angle adjustment, high user comfort.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the present utility model;

2 is a schematic diagram of the connection structure of the fixing block and the connecting plate of the present invention;

3 is a schematic diagram of the connection structure of the screw sleeve and the gear rod of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 of the present invention.

In the figure: 1. base; 2. rotating rod; 3. first gear; 4. second gear; 5. screw; 6. threaded sleeve; 7. chute; 8. gear lever; 9. fixed block; 10. Seat plate; 11, connecting plate; 12, fixed rod; 13, backrest; 14, locking column; 15, cushion; 16, interspersed rod; 17, movable shaft; 18, headrest.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: a design seat with an adjustable lumbar support device, comprising a base 1, a rotating rod 2, a first gear 3, a second gear 4, a screw 5. Threaded sleeve 6, chute 7, gear lever 8, fixing block 9, seat plate 10, connecting plate 11, fixing rod 12, backrest 13, locking column 14, cushion 15, insertion rod 16, movable shaft 17 and head Pillow 18, the left side of the base 1 is penetrated by the rotating rod 2, and the right side of the rotating rod 2 is fixed with the first gear 3, the right side of the first gear 3 is provided with a second gear 4, and the inner side of the second gear 4 is provided There is a screw 5, a threaded sleeve 6 is installed on the top of the screw 5, and the outer wall of the threaded sleeve 6 is provided with a chute 7, and the inner side of the chute 7 is provided with a stop rod 8, and the fixed block 9 is installed on the top of the threaded sleeve 6, and The top of the fixing block 9 is provided with a seat plate 10, the outer wall of the seat plate 10 is connected with a connecting plate 11, and the inner side of the connecting plate 11 is penetrated by a fixing rod 12, the top of the seat plate 10 is installed with a backrest 13, and the inner side of the backrest 13 penetrates There is a locking column 14, a soft pad 15 is installed on the left side of the locking column 14, and an interpenetrating rod 16 is arranged in the middle of the soft pad 15, a movable shaft 17 is installed on the top of the backrest 13, and a headrest 18 is installed on the top of the movable shaft 17. ;

Further, the base 1 forms a rotational connection with the rotating rod 2 through the rotating bearing connecting the base 1 and the rotating rod 2, and the rotating rod 2 and the first gear 3 are integrally arranged, and the central axis of the first gear 3 is connected with the rotating rod 2. The central axis of the second gear 4 is vertical, and the rotating rod 2 inside the base 1 is rotated, so that the first gear 3 drives the second gear 4 to rotate, thereby driving the rotation of the screw 5, and the height position adjustment is flexible;

Further, the threaded sleeve 6 forms a lifting structure through the chute 7 and the gear rod 8, and the threaded sleeve 6 and the screw 5 are threadedly connected, and the central axis of the screw 5 coincides with the central axis of the base 1, and the structure has strong connection. , the structure adjustment is flexible and efficient;

Further, the connecting plate 11 forms a detachable structure with the fixing block 9 through the fixing rod 12 , and two connecting plates 11 are symmetrically arranged about the central axis of the seat plate 10 , and the seat plate 10 is fixed by the connecting plate 11 and the fixing rod 12 . , which can facilitate the user to install and disassemble the seat plate 10, and can facilitate the user to carry the seat, and the assembly method is simple and efficient;

Further, the locking column 14 and the cushion 15 form a detachable structure through the insertion rod 16, and the central axis of the locking column 14 is perpendicular to the central axis of the backrest 13, and the cushion 15 and the locking column 14 are fixed by the insertion and insertion rod 16. , flexible structure adjustment, high user comfort, can effectively reduce the incidence of lumbar spondylosis;

Further, the headrest 18 is rotatably connected with the backrest 13 through the movable shaft 17, and the backrest 13 and the seat plate 10 are integrally arranged. Due to the arrangement of the movable shaft 17, the angle of the headrest 18 can be adjusted according to the user's needs. , The structure angle adjustment is flexible and efficient, and the user comfort is high.

Working principle: First, the user rotates the rotating rod 2 inside the base 1, so that the first gear 3 drives the second gear 4 to rotate, thereby driving the rotation of the screw 5. Due to the setting of the lever 8 on the top of the base 1, the screw 5 can be made When rotating, the threaded sleeve 6 is driven to rise and fall, so as to realize the adjustment of the seat height position, and then, on the top of the fixing block 9, the seat plate 10 is fixed by the connecting plate 11 and the fixing rod 12;

The user adjusts the angle of the cushion 15 according to his own needs. After the adjustment is completed, the cushion 15 and the locking column 14 are fixed by the interpenetrating rod 16. Finally, the user sits on the seat plate 10 and rests his head on the headrest 18. , Due to the arrangement of the movable shaft 17, the angle of the headrest 18 can be adjusted according to the user's needs, thus completing the use of the design seat with an adjustable lumbar support device.

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

Claims (6)

1. A design seat with an adjustable lumbar support device, comprising a base (1), a fixed block (9) and a movable shaft (17), characterized in that: the left side of the base (1) runs through a A rotating rod (2), and a first gear (3) is fixed on the right side of the rotating rod (2), a second gear (4) is arranged on the right side of the first gear (3), and the second gear (4) ) is provided with a screw (5), the top of the screw (5) is installed with a threaded sleeve (6), and the outer wall of the threaded sleeve (6) is provided with a chute (7), and the inner side of the chute (7) A stop rod (8) is provided, the fixing block (9) is mounted on the top of the threaded sleeve (6), and a seat plate (10) is arranged on the top of the fixing block (9), and the outer wall of the seat plate (10) A connecting plate (11) is connected, and a fixing rod (12) is penetrated through the inner side of the connecting plate (11); A column (14), a soft pad (15) is installed on the left side of the locking column (14), and an insertion rod (16) is arranged in the middle of the soft pad (15), and the movable shaft (17) is installed on the backrest ( 13), and a headrest (18) is installed on the top of the movable shaft (17). 2. A design seat with an adjustable lumbar support device according to claim 1, characterized in that: the base (1) is connected to the rotating rod (2) through the rotating bearing of the base (1) It forms a rotational connection with the rotating rod (2), and is integrally arranged between the rotating rod (2) and the first gear (3), and the central axis of the first gear (3) and the central axis of the second gear (4) perpendicular. 3. A design seat with an adjustable lumbar support device according to claim 1, characterized in that: the threaded sleeve (6) forms a lifting structure through the chute (7) and the gear lever (8) , and the screw sleeve (6) and the screw (5) are threadedly connected, and the central axis of the screw (5) coincides with the central axis of the base (1). 4. A design seat with an adjustable lumbar support device according to claim 1, wherein the connecting plate (11) is detachable through a fixing rod (12) and a fixing block (9) structure, and two connecting plates (11) are symmetrically arranged with respect to the central axis of the seat plate (10). 5. A design seat with an adjustable lumbar support device according to claim 1, characterized in that: the locking column (14) and the soft pad (15) are detachable through the insertion rod (16) structure, and the central axis of the locking column (14) is perpendicular to the central axis of the backrest (13). 6. A design seat with an adjustable lumbar support device according to claim 1, wherein the headrest (18) is rotatably connected with the backrest (13) through a movable shaft (17), And the backrest (13) and the seat plate (10) are integrally arranged.

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