Seat capable of improving comfort of user

Abstract

The utility model relates to the technical field of seats, and discloses a seat capable of improving the comfort of a user, which comprises a seat plate, two supporting legs are arranged on each of the left side and the right side of the bottom of the seat plate, and two rotating blocks are arranged on each of the left side and the right side of the seat plate. A protection plate is arranged between the tops of the two rotating blocks on one side, a locking sleeve extending into the seat plate is arranged on the front side of the seat plate, an extending supporting assembly extending to the bottom of the seat plate is arranged in the seat plate, and a backrest assembly extending to the rear side of the seat plate is arranged at the bottom of the seat plate. According to the seat capable of improving the comfort level of the user, the user can effectively and conveniently adjust the angle of the backrest according to the use requirements, the comfort level of the user is effectively improved, the stability of the protection plate in a tiled state is ensured, the use area of the seat is effectively increased, and the requirements for the seat space in different scenes are met; and the use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a seat that can improve the comfort of users. Background Technique

[0002] After retrieval, the Chinese patent publication number is CN109276066A, which discloses a seat that can improve the comfort of users, including a first support plate. The rear end of the top of the first support plate is fixedly connected with a backrest, and the bottom of the first support plate is fixedly connected with a fixing frame. The four corners of the bottom of the fixing frame are fixedly connected with first support legs. The left end and the right end of the inside of the first support plate are both slidably connected with a second support plate. When this technical solution is used, it can be adjusted adaptively according to the body type of the user. However, when this structure is used, it is not convenient to adjust the support angle of the backrest, making it difficult to ensure the comfort of users of different heights when leaning. At the same time, when adjusting the width of the seat, the operation is also relatively cumbersome and the convenience is poor, unable to meet the use requirements. Therefore, a seat that can improve the comfort of users is proposed to solve the above-mentioned problems. Content of the Utility Model

[0003] (I) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the utility model provides a seat that can improve the comfort of users, which has the advantages of effectively improving the comfort of the seat and effectively improving its use convenience, and solves the problems raised in the above background technique.

[0005] (II) Technical Solution

[0006] To achieve the purpose of effectively improving the comfort of the seat and effectively improving its use convenience, the utility model provides the following technical solution: A seat that can improve the comfort of users, including a seat board. Both the left and right sides of the bottom of the seat board are provided with two support legs each. Both the left and right sides of the seat board are provided with two rotating blocks each. A protective plate is arranged between the tops of the two rotating blocks on one side. The front side of the seat board is provided with a locking sleeve extending into its interior. The interior of the seat board is provided with an extended support assembly extending to its bottom. The bottom of the seat board is provided with a backrest assembly extending to its rear side.

[0007] The extension support assembly includes support blocks. The number of the support blocks is two, and they are fixedly installed inside the seat plate. A threaded rod penetrating to its opposite sides is rotatably installed between the two support blocks. A rotating shaft extending into its interior is rotatably installed at the bottom of the seat plate. A rotating handwheel is fixedly installed at the bottom of the rotating shaft. Transmission gears are fixedly installed at the top of the rotating shaft and on the outer side of the threaded rod. Two threaded sleeves are threadedly installed on the outer side of the threaded rod and extend to its left and right sides respectively. Extension rods are fixedly installed on the opposite sides of the two threaded sleeves. A moving block located inside the seat plate is fixedly installed on the outer side of the extension rod. Guide rods extending to its left and right sides and located on the front and rear sides of the extension rod are fixedly installed inside the moving block.

[0008] Preferably, the backrest assembly includes a fixed frame. The fixed frame is fixedly installed at the bottom of the seat plate and behind the rotating shaft. A rotating shaft is rotatably installed between the left and right sides of the inner wall of the fixed frame. A worm gear is fixedly installed on the outer side of the rotating shaft. A worm penetrating to its rear side and meshing with the worm gear is rotatably installed on the front side of the inner wall of the fixed frame. A control block is fixedly installed at the rear side of the worm. Two extension plates are fixedly installed on the outer side of the rotating shaft, located on the left and right sides of the worm gear and extending to the rear side of the seat plate. A backrest plate located behind the protection plate is fixedly installed between the front sides of the two extension plates.

[0009] Preferably, a support pad is fixedly installed at the bottom of the support leg. A rotating rod fixedly connected to the rotating block is rotatably installed inside the seat plate. The locking sleeve is threadedly connected to the rotating rod and fits against the front rotating block. First protection pads are fixedly installed on the side of the protection plate close to the seat plate and on the top of the seat plate.

[0010] Preferably, a rocking rod is fixedly installed at the bottom of the rotating handwheel. The transmission gear is a bevel gear. Two sections of threads with opposite directions and equal lengths are provided on the outer side of the threaded rod. A thread groove adapted to the threaded rod is provided inside the threaded sleeve.

[0011] Preferably, installation grooves adapted to the support blocks, threaded rod, transmission gears, threaded sleeves, and extension rods are provided inside the seat plate. Movement grooves adapted to the movement trajectories of the moving blocks are provided on the left and right sides of the seat plate and at the bottom of the protection plate. Guide grooves communicating with the movement grooves and adapted to the guide rods are provided inside the seat plate and the protection plate.

[0012] Preferably, a raised block is fixedly installed on the outer side of the rotating shaft. Card slots adapted to the raised block are provided inside the worm gear and the extension plates. The outer side of the control block is designed with anti-slip features. A second protection pad is fixedly installed on the front side of the backrest plate.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a seat that can improve the comfort of users, and has the following beneficial effects:

[0015] For the seat that can improve the comfort of users, by setting a control block to drive the worm to rotate, the worm drives the rotating shaft to rotate through the worm gear, and the rotating shaft drives the backrest plate to swing through the extension plate, so that the backrest plate can adjust the tilt angle. Through the design of this structure, it is effectively convenient for users to adjust the backrest angle according to their usage needs, effectively improving the comfort of users. And by setting a protective plate, the protective plate is rotatably installed on the seat plate through a rotating block. After the user loosens the locking sleeve, the protective plate is flipped to a flat state. At the same time, by rotating the handwheel to drive the rotating shaft to rotate, the rotating shaft drives the threaded rod to rotate through two meshing transmission gears, and the threaded rod drives the extension rod, the moving block and the guide rod to move into the protective plate for clamping support. Through the design of this structure, the stability of the protective plate in the flat state is ensured, and the usable area of the seat is effectively increased, meeting the requirements for the seat space in different scenarios, improving its usability, and facilitating the use of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional schematic diagram of the overall structure of the utility model;

[0017] Figure 2 is a side three-dimensional schematic diagram of the overall structure of the utility model;

[0018] Figure 3 is a three-dimensional schematic diagram of the extension support assembly of the structure of the utility model;

[0019] Figure 4 is a three-dimensional connection schematic diagram of the seat plate and the backrest assembly of the structure of the utility model;

[0020] Figure 5 is a three-dimensional connection schematic diagram of the fixed frame and the rotating shaft of the structure of the utility model.

[0021] In the figure: 1, seat plate; 2, support leg; 3, rotating block; 4, protective plate; 5, locking sleeve; 6, extension support assembly; 61, support block; 62, threaded rod; 63, rotating shaft; 64, handwheel; 65, transmission gear; 66, threaded sleeve; 67, extension rod; 68, moving block; 69, guide rod; 7, backrest assembly; 71, fixed frame; 72, rotating shaft; 73, worm gear; 74, worm; 75, control block; 76, extension plate; 77, backrest plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model 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 of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5, a seat that can improve the comfort of the user, including a seat board 1. On the left and right sides of the bottom of the seat board 1, two support legs 2 are fixedly installed. At the bottom of the support legs 2, support pads are fixedly installed. The setting of the support pads improves the overall stability. On the left and right sides of the seat board 1, two rotating blocks 3 are rotatably installed. Between the tops of the two rotating blocks 3 on one side, a protective plate 4 is fixedly installed. On the side of the protective plate 4 close to the seat board 1 and on the top of the seat board 1, first protective pads are fixedly installed. On the front side of the seat board 1, a locking sleeve 5 extending into its interior is movably installed. Inside the seat board 1, a rotating rod fixedly connected to the rotating block 3 is rotatably installed. The locking sleeve 5 is threadedly connected to the rotating rod and fits with the front rotating block 3. Inside the seat board 1, an extended support assembly 6 extending to its bottom is movably installed. The extended support assembly 6 includes support blocks 61. The number of support blocks 61 is two and they are fixedly installed inside the seat board 1. Between the two support blocks 61, a threaded rod 62 penetrating to its opposite sides is rotatably installed. At the bottom of the seat board 1, a rotating shaft 63 extending into its interior is rotatably installed. At the bottom of the rotating shaft 63, a rotating handwheel 64 is fixedly installed. At the bottom of the rotating handwheel 64, a rocking rod is fixedly installed. On the top of the rotating shaft 63 and on the outer side of the threaded rod 62, transmission gears 65 are fixedly installed. The transmission gears 65 are bevel gears. On the outer side of the threaded rod 62, two threaded sleeves 66 respectively extending to its left and right sides are threadedly installed. On the outer side of the threaded rod 62, two sections of threads with opposite directions and equal lengths are provided. Inside the threaded sleeve 66, a thread groove adapted to the threaded rod 62 is provided. On the opposite sides of the two threaded sleeves 66, extension rods 67 are fixedly installed. Inside the seat board 1, an installation groove adapted to the support block 61, the threaded rod 62, the transmission gear 65, the threaded sleeve 66 and the extension rod 67 is provided. On the outer side of the extension rod 67, a moving block 68 located inside the seat board 1 is fixedly installed. On the left and right sides of the seat board 1 and at the bottom of the protective plate 4, movable grooves adapted to the moving track of the moving block 68 are provided. Inside the moving block 68, guide rods 69 extending to its left and right sides and located on the front and rear sides of the extension rod 67 are fixedly installed. Inside the seat board 1 and the protective plate 4, guide grooves communicating with the movable groove and adapted to the guide rod 69 are provided. The cooperation setting of the moving block 68 and the guide rod 69 can improve the stability of the support. At the bottom of the seat board 1, a backrest assembly 7 extending to its rear side is fixedly installed. The backrest assembly 7 includes a fixed frame 71. The fixed frame 71 is fixedly installed at the bottom of the seat board 1 and behind the rotating shaft 63. Between the left and right sides of the inner wall of the fixed frame 71, a rotating shaft 72 is rotatably installed. On the outer side of the rotating shaft 72, a worm gear 73 is fixedly installed. At the front side of the inner wall of the fixed frame 71, a worm 74 penetrating to its rear side and meshing with the worm gear 73 is rotatably installed. At the rear side of the worm 74, a control block 75 is fixedly installed. The outer side of the control block 75 is designed with anti-slip. On the outer side of the rotating shaft 72, two extension plates 76 located on the left and right sides of the worm gear 73 and extending to the rear side of the seat board 1 are fixedly installed. On the outer side of the rotating shaft 72, a raised block is fixedly installed.Both the worm gear 73 and the inside of the extension plate 76 are provided with clamping grooves adapted to the raised blocks. A backrest plate 77 located behind the protective plate 4 is fixedly installed between the front sides of the two extension plates 76. A second protective pad is fixedly installed on the front side of the backrest plate 77. The settings of the first protective pad and the second protective pad can improve the comfort of the user. For this seat that can improve the comfort of the user, by setting the control block 75 to drive the worm 74 to rotate, the worm 74 drives the rotating shaft 72 to rotate through the worm gear 73, and the rotating shaft 72 drives the backrest plate 77 to swing through the extension plate 76, so that the backrest plate 77 can adjust the tilt angle. Through the design of this structure, it is effectively convenient for the user to adjust the backrest angle according to the usage requirements, effectively improving the comfort of the user. And by setting the protective plate 4, the protective plate 4 is rotatably installed on the seat plate 1 through the rotating block 3. After the user loosens the locking sleeve 5, the protective plate 4 is flipped to a flat state. At the same time, by rotating the handwheel 64 to drive the rotating shaft 63 to rotate, the rotating shaft 63 drives the threaded rod 62 to rotate through the two meshing transmission gears 65. The threaded rod 62 drives the extension rod 67, the moving block 68 and the guide rod 69 to move into the protective plate 4 for clamping and supporting. Through the design of this structure, the stability of the protective plate 4 in the flat state is ensured, and the usable area of the seat is effectively increased, meeting the requirements for the seat space in different scenarios and improving its usability.

[0024] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0025] To sum up, for this seat that can improve the comfort of the user, by setting the control block 75 to drive the worm 74 to rotate, the worm 74 drives the rotating shaft 72 to rotate through the worm gear 73, and the rotating shaft 72 drives the backrest plate 77 to swing through the extension plate 76, so that the backrest plate 77 can adjust the tilt angle. Through the design of this structure, it is effectively convenient for the user to adjust the backrest angle according to the usage requirements, effectively improving the comfort of the user. And by setting the protective plate 4, the protective plate 4 is rotatably installed on the seat plate 1 through the rotating block 3. After the user loosens the locking sleeve 5, the protective plate 4 is flipped to a flat state. At the same time, by rotating the handwheel 64 to drive the rotating shaft 63 to rotate, the rotating shaft 63 drives the threaded rod 62 to rotate through the two meshing transmission gears 65. The threaded rod 62 drives the extension rod 67, the moving block 68 and the guide rod 69 to move into the protective plate 4 for clamping and supporting. Through the design of this structure, the stability of the protective plate 4 in the flat state is ensured, and the usable area of the seat is effectively increased, meeting the requirements for the seat space in different scenarios and improving its usability, facilitating the user to use and solving the problems raised in the above background technology.

[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chair capable of improving user comfort, comprising a seat plate (1), characterized in that: Two support legs (2) are arranged on both left and right sides of the bottom of the seat plate (1); two rotating blocks (3) are arranged on both left and right sides of the seat plate (1); a protective plate (4) is arranged between the tops of the two rotating blocks (3) on one side; a locking sleeve (5) extending to the inside of the seat plate (1) is arranged on the front side of the seat plate (1); an extending support assembly (6) extending to the bottom of the seat plate (1) is arranged inside the seat plate (1); and a backrest assembly (7) extending to the rear side of the seat plate (1); The extension support assembly (6) comprises a support block (61), wherein the support blocks (61) are two in number and fixedly mounted inside the seat plate (1), a threaded rod (62) penetrating to opposite sides thereof is rotatably mounted between the two support blocks (61), a rotating shaft (63) extending to the inside thereof is rotatably mounted at the bottom of the seat plate (1), a rotating hand wheel (64) is fixedly mounted at the bottom of the rotating shaft (63), a transmission gear (65) is fixedly mounted at the top of the rotating shaft (63) and the outside of the threaded rod (62), two threaded sleeves (66) extending to the left and right sides thereof are threadedly mounted on the outside of the threaded rod (62), respectively, an extension rod (67) is fixedly mounted on the opposite sides of the two threaded sleeves (66), a moving block (68) located inside the seat plate (1) is fixedly mounted on the outside of the extension rod (67), and a guide rod (69) extending to the left and right sides thereof and located at the front and rear sides of the extension rod (67) is fixedly mounted inside the moving block (68).

2. A chair capable of improving user comfort according to claim 1, characterized in that: The backrest assembly (7) comprises a fixed frame (71), the fixed frame (71) being fixedly mounted on the bottom of the seat plate (1) and being located on the rear side of the rotating shaft (63), a rotating shaft (72) being rotatably mounted between the left and right sides of the inner wall of the fixed frame (71), a worm wheel (73) being fixedly mounted on the outer side of the rotating shaft (72), a worm (74) penetrating to the rear side of the fixed frame (71) and meshing with the worm wheel (73) being rotatably mounted on the front side of the inner wall of the fixed frame (71), a control block (75) being fixedly mounted on the rear side of the worm wheel (74), two extension plates (76) being located on the left and right sides of the worm wheel (73) and extending to the rear side of the seat plate (1) being fixedly mounted on the outer side of the rotating shaft (72), and a backrest plate (77) being located on the rear side of the protective plate (4) being fixedly mounted between the front sides of the two extension plates (76).

3. A chair capable of improving user comfort according to claim 1, characterized in that: A support pad is fixedly mounted on the bottom of the support leg (2); a rotating rod fixedly connected to the rotating block (3) is rotatably mounted inside the seat plate (1); the locking sleeve (5) is threadedly connected to the rotating rod and fits with the rotating block (3) at the front side; and a first protective pad is fixedly mounted on a side of the protective plate (4) close to the seat plate (1) and on the top of the seat plate (1).

4. A chair capable of improving user comfort according to claim 1, characterized in that: A rocking rod is fixedly mounted at the bottom of the rotating hand wheel (64); the transmission gear (65) is a bevel gear; the outer side of the threaded rod (62) is provided with two threads of opposite directions and equal length; the inner side of the threaded sleeve (66) is provided with a thread groove adapted to the threaded rod (62).

5. A chair capable of improving user comfort according to claim 1, characterized in that: The seat plate (1) is provided with mounting grooves adapted to the support block (61), the threaded rod (62), the transmission gear (65), the threaded sleeve (66) and the extension rod (67); the left and right sides of the seat plate (1) and the bottom of the protective plate (4) are provided with movable grooves adapted to the moving track of the movable block (68); the seat plate (1) and the protective plate (4) are provided with guide grooves communicated with the movable grooves and adapted to the guide rod (69).

6. A chair capable of improving user comfort according to claim 2, characterized in that: A protruding block is fixedly mounted on the outer side of the rotating shaft (72); slots matching the protruding block are provided inside the worm wheel (73) and the extension plate (76); the outer side of the control block (75) is designed to be anti-slip; and a second protective pad is fixedly mounted on the front side of the backrest plate (77).

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