Beach chair with adjustable chair surface

Abstract

The utility model relates to a beach chair with an adjustable chair surface, which is provided with a chair frame, a bottom plate and a chair plate, and the chair plate comprises a first chair plate, a plastic middle plate and a second chair plate; an adjusting groove is formed in the bottom plate, a connecting groove is formed in the second chair plate, a driving part is arranged on the side edge of the bottom plate, an adjusting rod is arranged in the adjusting groove, a connecting rod is arranged in the connecting groove, and a plurality of adjusting assemblies are arranged between the adjusting rod and the connecting rod; the adjusting assembly comprises a first threaded part, a second threaded part, a first connecting part, a second connecting part, a first rotating seat, a second rotating seat, a first connecting rod, a second connecting rod and a connecting block, and the first connecting part and the second connecting part are each provided with a threaded hole; the first connecting rod and the second connecting rod drive the adjusting rod through the driving part, the first threaded part is in threaded fit with the first connecting part, and the second threaded part is in threaded fit with the second connecting part to drive the connecting block to rotate on the connecting rod and drive the second chair plate to adjust the angle. The device is ingenious in structure, convenient and practical.

Description

Technical Field

[0001] This utility model relates to the field of beach chairs, and in particular to a beach chair with an adjustable seat. Background Technology

[0002] Beach chairs are a type of leisure chair. They can be categorized into fabric beach chairs, casual beach chairs, outdoor beach chairs, and folding beach chairs, and are made of materials such as leather, stainless steel, and plastic. They are comfortable chairs for both outdoor leisure and indoor relaxation. Beach chairs are also known as folding chairs or leisure chairs. Their primary function is to allow people to lie down and relax, making them an ideal choice for sunbathing. Compared to the formality of ordinary chairs, beach chairs offer a more relaxed and comfortable feel.

[0003] The backrest angle of existing beach chairs is generally fixed. However, this fixed backrest angle cannot meet the needs of people of all ages for the backrest angle, nor can it be adjusted to a comfortable angle for the user. It has poor applicability and is very inconvenient. Summary of the Invention

[0004] The purpose of this invention is to provide a beach chair with an adjustable seat. It has a clever structure that allows for quick and easy adjustment of the angle of the second seat according to the user's needs. It is highly adaptable, efficient, and convenient.

[0005] The technical solution to achieve the purpose of this utility model is as follows: This utility model has a chair frame, a base plate disposed on the chair frame, and a seat plate disposed on the base plate. The seat plate includes a first seat plate fixedly disposed on the base plate, a plastic middle plate rotatably connected to the first seat plate, and a second seat plate rotatably connected to the plastic middle plate. The base plate is provided with an adjustment groove, and the back of the second seat plate is provided with a connecting groove. The extension directions of the adjustment groove and the connecting groove are parallel and both are parallel to the rotation axis of the second seat plate. A driving part is provided on the side of the base plate. An adjustment rod is disposed in the adjustment groove and can be rotatably disposed in the adjustment groove under the drive of the driving part. A connecting rod is disposed in the connecting groove and is parallel to the adjustment rod. The extension direction of the adjustment rod is parallel to the extension direction of the adjustment groove. A plurality of adjustment components are provided between the adjustment rod and the connecting rod to drive the second seat plate to adjust its angle. The adjustment components include a first threaded part and a second threaded part disposed opposite to the adjustment rod. The system comprises a threaded section, a first connecting section threaded to the first threaded section, a second connecting section threaded to the second threaded section, a first rotating seat mounted on the first connecting section, a second rotating seat mounted on the second connecting seat, a first connecting rod rotatably connected to the first rotating seat, a second connecting rod rotatably connected to the second rotating seat, and a connecting block movably mounted on the connecting rod. Both the first and second connecting sections are provided with threaded holes. The first and second connecting sections slide in opposite directions or in the same direction through the engagement of the first and second threaded sections with the threaded holes. The end of the first connecting rod away from the first rotating seat and the end of the second connecting rod away from the second rotating seat are rotatably connected to the connecting block. The first and second connecting rods drive the adjusting rod through the drive of the driving section, the threaded engagement of the first threaded section with the first connecting section, and the threaded engagement of the second threaded section with the second connecting section, thereby causing the connecting block to rotate on the connecting rod and causing the second chair plate to adjust its angle.

[0006] Furthermore, each connecting block has a bottom through groove that is parallel to the axis of the adjusting rod. The end of the first connecting rod away from the first rotating seat is rotatably connected to the bottom through groove, and the end of the second connecting rod away from the second rotating seat is rotatably connected to the bottom through groove.

[0007] Furthermore, the aforementioned base plate is provided with opposing armrest boxes, each armrest box being respectively located on both sides of the base plate. The drive unit is located inside any one of the armrest boxes. The drive unit includes a drive motor fixed inside the armrest box, a battery that can supply power to the drive motor, a first transmission gear fixed to the output end of the drive motor, a transmission shaft rotatably located inside the armrest box, a second transmission gear located on the transmission shaft and capable of transmission with the first transmission gear, a third transmission gear located on the transmission shaft, and a fourth transmission gear located on an adjusting rod and capable of transmission with the third transmission gear. The adjusting rod is rotatably located in the adjusting groove through the drive motor driving the first transmission gear, the transmission engagement of the first transmission gear and the second transmission gear, and the transmission engagement of the third transmission gear and the fourth transmission gear. The upper surface of the armrest box is provided with a control button for controlling the forward and reverse rotation of the drive motor.

[0008] Furthermore, another armrest box without a drive unit is provided with a cup holder for placing a water cup and a storage slot for placing electronic products. The cup holder and the storage slot are integrally formed with the corresponding armrest box. The armrest box is provided with a storage space for placing items. Each armrest box is covered with an end cap that can close the storage space.

[0009] Furthermore, both sides of the aforementioned plastic middle plate are provided with protrusions integrally formed with the plastic middle plate, and the extension direction of each protrusion is parallel to the extension direction of the adjustment rod. The first chair plate and the second chair plate are provided with connecting slots adapted to the protrusions. Both sides of the protrusions are provided with side shafts, and the side walls of the connecting slots are provided with side holes adapted to each side shaft. The plastic middle plate is rotatably connected to the first chair plate and the second chair plate through the insertion and engagement of the protrusions with the connecting slots and the engagement of each side shaft with the side holes.

[0010] This utility model has positive effects: (1) By setting an adjustment groove and a connecting groove, this utility model ensures that the first connecting rod and the second connecting rod can be completely stored in the adjustment groove and the connecting groove after rotation, thereby ensuring that the second chair board can be completely rotated to the horizontal. By setting an adjustment component between the first connecting rod and the second connecting rod, the first threaded part and the second threaded part on the adjustment rod are rotated by the adjustment rod. By setting the first threaded part and the second threaded part to be opposite to each other, and by cooperating with the threaded holes on the first connecting part and the second connecting part, it is ensured that the first connecting part and the second connecting part can move relative to each other or move in opposite directions. The relative movement of the first connecting rod and the second connecting rod can drive the second chair board to be raised. The opposite movement of the first connecting rod and the second connecting rod can ensure that the angle of the second chair board is lowered, thereby realizing comprehensive, efficient and precise angle adjustment of the second chair board, thus adapting to various different angle requirements, having good adjustability and practicality, ingenious structure, and high efficiency and convenience.

[0011] (2) By setting a bottom through groove at the bottom of the connecting block, this utility model can ensure that the first link and the second link have complete storage space after rotation, and can also avoid interference and collision between the first link and the second link during rotation, thereby ensuring smooth, efficient and convenient rotation of the first link and the second link.

[0012] (3) This utility model provides armrest boxes on both sides of the base plate and sets the drive unit in any armrest box. The drive motor drives the first transmission gear and the second transmission gear to cooperate, and drives the third transmission gear and the fourth transmission gear to cooperate. By using the gear ratio of the first transmission gear and the second transmission gear, as well as the gear ratio of the third transmission gear and the fourth transmission gear, the rotation speed of the second chair board can be reduced to avoid damage to the user's waist caused by excessive rotation, thus ensuring the user's safety during the angle adjustment process.

[0013] (4) This utility model provides a cup slot and a storage slot for users to place water cups or electronic devices, which is convenient and practical.

[0014] (5) This utility model provides protrusions on both sides of the plastic middle plate and connecting slots on the first and second chair plates. By connecting the side shafts on the protrusions and the side holes on the connecting slots, the smoothness of the rotation of the second chair plate and the plastic middle plate is ensured. During use, the plastic middle plate can be fixed on the base plate while the other half is in a rotating state. At the same time, a backrest can be installed on the plastic middle plate to support the user's waist, thereby ensuring the user's comfort during use. It is efficient and convenient. Attached Figure Description

[0015] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein...

[0016] Figure 1 This is a front view of the overall structure of the beach chair with adjustable seat in this utility model;

[0017] Figure 2 This is a top view of the overall structure of the beach chair with adjustable seat in this utility model;

[0018] Figure 3 for Figure 1 Sectional view at point A in the middle;

[0019] Figure 4 This is a cross-sectional view of the overall structure of the adjustment component in this utility model;

[0020] Figure 5 This is a schematic diagram of the overall structure of the armrest box with a drive unit in this utility model;

[0021] Figure 6 This is a schematic diagram of the overall structure of the armrest box without a drive unit in this utility model. Detailed Implementation

[0022] See Figures 1 to 6 This utility model includes a chair frame 1, a base plate 2 mounted on the chair frame 1, and a seat plate 3 mounted on the base plate 2. The seat plate 3 includes a first seat plate 31 fixedly mounted on the base plate 2, a plastic middle plate 33 rotatably connected to the first seat plate 31, and a second seat plate 32 rotatably connected to the plastic middle plate 33. The base plate 2 is provided with an adjustment groove 21, and the back of the second seat plate 32 is provided with a connecting groove 36. The extension directions of the adjustment groove 21 and the connecting groove 36 are parallel, and both are parallel to the rotation axis of the second seat plate 32. The side of the base plate 2... A driving unit 5 is provided on one side, and an adjusting rod 22 is provided in the adjusting groove 21, which can be rotated under the drive of the driving unit 5. A connecting rod 37 is provided in the connecting groove 36, which is parallel to the adjusting rod 22. The extension direction of the adjusting rod 22 is parallel to the extension direction of the adjusting groove 21. A plurality of adjusting components 6 are provided between the adjusting rod 22 and the connecting rod 37, which can drive the second chair board 32 to adjust the angle. The adjusting component 6 includes a first threaded part 61 and a second threaded part 62 disposed opposite to the adjusting rod 22, and a first threaded part 61 and a second threaded part 62 disposed opposite to the adjusting rod 22. The system comprises a first connecting portion 63 threaded to a second connecting portion 64 threaded to a second threaded portion 62, a first rotating seat 65 mounted on the first connecting portion 63, a second rotating seat 66 mounted on the second connecting seat, a first connecting rod 67 rotatably connected to the first rotating seat 65, a second connecting rod 68 rotatably connected to the second rotating seat 66, and a connecting block 69 movably mounted on the connecting rod 37. Both the first connecting portion 63 and the second connecting portion 64 are provided with threaded holes. The first connecting portion 63 and the second connecting portion 64 are connected by the first threaded portion 61 and... The second threaded portion 62 slides in opposite directions or in the same direction with the threaded hole. The end of the first connecting rod 67 away from the first rotating seat 65 and the end of the second connecting rod 68 away from the second rotating seat 66 are rotatably connected to the connecting block 69. The first connecting rod 67 and the second connecting rod 68 drive the adjusting rod 22 through the driving part 5, the threaded engagement of the first threaded portion 61 with the first connecting portion 63, and the threaded engagement of the second threaded portion 62 with the second connecting portion 64, thereby causing the connecting block 69 to rotate on the connecting rod 37 and causing the second chair plate 32 to adjust its angle.

[0023] Each connecting block 69 has a bottom through groove that is parallel to the axis of the adjusting rod 22. The end of the first connecting rod 67 away from the first rotating seat 65 is rotatably connected to the bottom through groove, and the end of the second connecting rod 68 away from the second rotating seat 66 is rotatably connected to the bottom through groove.

[0024] The base plate 2 is provided with opposing armrest boxes 4, each armrest box 4 is respectively located on both sides of the base plate 2. The drive unit 5 is located in any armrest box 4. The drive unit 5 includes a drive motor 51 fixed in the armrest box 4, a battery 50 that can supply power to the drive motor 51, a first transmission gear 52 fixed in the output end of the drive motor 51, a transmission shaft 54 ​​rotatably located in the armrest box 4, a second transmission gear 53 located on the transmission shaft 54 ​​and capable of transmission with the first transmission gear 52, a third transmission gear 55 located on the transmission shaft 54, and a fourth transmission gear 56 located on the adjusting rod 22 and capable of transmission with the third transmission gear 55. The adjusting rod 22 is rotatably located in the adjusting groove 21 through the drive of the first transmission gear 52 by the drive motor 51, the transmission engagement of the first transmission gear 52 and the second transmission gear 53, and the transmission engagement of the third transmission gear 55 and the fourth transmission gear 56. The upper end face of the armrest box 4 is provided with a control button 41 for controlling the forward and reverse rotation of the drive motor 51.

[0025] Another armrest box 4 without a drive unit 5 is provided with a cup slot 42 for placing a water cup and a storage slot 43 for placing electronic products. The cup slot 42 and the storage slot 43 are integrally formed with the corresponding armrest box 4. The armrest box 4 is provided with a storage space for placing items. Each armrest box 4 is covered with an end cap that can close the storage space.

[0026] Both sides of the plastic middle plate 33 are provided with protrusions 35 integrally formed with the plastic middle plate 33. The extension direction of each protrusion 35 is parallel to the extension direction of the adjustment rod 22. The first chair plate 31 and the second chair plate 32 are provided with connecting slots 34 adapted to the protrusions 35. Both sides of the protrusions 35 are provided with side shafts. The side walls of the connecting slots 34 are provided with side holes adapted to each side shaft. The plastic middle plate 33 is rotatably connected to the first chair plate 31 and the second chair plate 32 through the insertion and engagement of the protrusions 35 and the connecting slots 34, and the engagement of each side shaft and the side holes.

[0027] The working principle of this utility model is as follows: During use, the user can sit on the seat plate 3. A cushion can be placed or installed on the plastic middle plate 33 of the seat plate 3 to support the user's waist. When the user needs to adjust the angle, they can press the control button 41, which starts the drive motor 51. The drive motor 51 drives the first transmission gear 52 to rotate. The first transmission gear 52 and the second transmission gear 53 are engaged in transmission. The number of teeth and diameter of the second transmission gear 53 can be set to be larger than those of the first transmission gear 52. The rotation of the second transmission gear 53 drives the transmission shaft 54 ​​to rotate. The third transmission gear 55 drives the fourth transmission gear 56 to rotate. The number of teeth and diameter of the fourth transmission gear 56 are larger than those of the third transmission gear 55, thus preventing the drive motor 51 from rotating too fast, which would cause the second seat plate 32 to rotate too fast. Through the transmission and deceleration of each transmission gear, the stability of the second seat plate 32 during rotation is ensured, avoiding... To avoid injury to the user and thus slow down the vehicle, the fourth transmission gear 56 drives the adjusting rod 22 in the adjusting groove 21 to rotate. Each of the first connecting parts 63 and the second connecting parts 64 moves relative to or in opposite directions through the threaded engagement of the first threaded part 61 and the second threaded part 62 with the threaded hole. During relative movement, the first connecting rod 67 and the second connecting rod 68 rotate the connecting block 69, thereby raising the second chair plate 32. During inverse movement, the first connecting rod 67 and the second connecting rod 68 rotate the connecting block 69, thereby lowering the second chair plate 32. This achieves precise and efficient angle adjustment. After adjustment, the user releases the control button 41, and the angle adjustment stops. This effectively solves the problem of fixed angle and poor comfort in existing seat plates 3, greatly improving the convenience of adjusting the angle of the second chair plate 32. It also caters to the needs of various users, with a clever structure that is convenient and practical.

[0028] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A beach chair with adjustable seat, comprising a chair frame, a bottom plate arranged on the chair frame, and a seat plate arranged on the bottom plate, the seat plate comprising a first seat plate fixedly arranged on the bottom plate, a plastic middle plate rotatably connected with the first seat plate, and a second seat plate rotatably connected with the plastic middle plate; characterized in that: The base plate is provided with an adjustment groove, and the back of the second chair seat is provided with a connecting groove. The extension directions of the adjustment groove and the connecting groove are parallel and both are parallel to the rotation axis of the second chair seat. The side of the base plate is provided with a driving part. An adjustment rod is provided in the adjustment groove and can be rotated in the adjustment groove under the drive of the driving part. A connecting rod is provided in the connecting groove and is parallel to the adjustment rod. The extension direction of the adjustment rod is parallel to the extension direction of the adjustment groove. A plurality of adjustment components are provided between the adjustment rod and the connecting rod to drive the second chair seat to adjust its angle. The adjustment components include a first threaded part and a second threaded part disposed opposite to each other on the adjustment rod, a first connecting part threaded to the first threaded part, a second connecting part threaded to the second threaded part, and a first rotating part disposed on the first connecting part. The system comprises a seat, a second rotating seat mounted on a second connecting seat, a first connecting rod rotatably connected to a first rotating seat, a second connecting rod rotatably connected to a second rotating seat, and a connecting block movably mounted on a connecting rod. Both the first and second connecting parts are provided with threaded holes. The first and second connecting parts slide towards each other or in the same direction through the engagement of the first and second threaded parts with the threaded holes. The end of the first connecting rod away from the first rotating seat and the end of the second connecting rod away from the second rotating seat are rotatably connected to the connecting block. The first and second connecting rods drive the adjusting rod through the drive of the driving part, the threaded engagement of the first threaded part with the first connecting part, and the threaded engagement of the second threaded part with the second connecting part, thereby causing the connecting block to rotate on the connecting rod and causing the second chair plate to adjust its angle.

2. A beach chair with adjustable seat according to claim 1, characterized in that: Each connecting block has a bottom through groove that is parallel to the axis of the adjusting rod. The end of the first connecting rod away from the first rotating seat is rotatably connected to the bottom through groove, and the end of the second connecting rod away from the second rotating seat is rotatably connected to the bottom through groove.

3. A beach chair with adjustable seat according to claim 2, characterized in that: The base plate is provided with opposing armrest boxes, each armrest box being located on one side of the base plate. The drive unit is located inside any one of the armrest boxes. The drive unit includes a drive motor fixed inside the armrest box, a battery that supplies power to the drive motor, a first transmission gear fixed to the output end of the drive motor, a transmission shaft rotatably located inside the armrest box, a second transmission gear located on the transmission shaft and capable of transmission with the first transmission gear, a third transmission gear located on the transmission shaft, and a fourth transmission gear located on an adjusting rod and capable of transmission with the third transmission gear. The adjusting rod is rotatably located in the adjusting groove through the drive motor driving the first transmission gear, the transmission engagement of the first transmission gear and the second transmission gear, and the transmission engagement of the third transmission gear and the fourth transmission gear. The upper surface of the armrest box is provided with a control button for controlling the forward and reverse rotation of the drive motor.

4. A beach chair with adjustable seat according to claim 3, characterized in that: Another armrest box without a drive unit is provided with a cup holder for placing a water cup and a storage slot for placing electronic products. The cup holder and the storage slot are integrally formed with the corresponding armrest box. The armrest box is provided with a storage space for placing items. Each armrest box is covered with an end cap that can close the storage space.

5. A beach chair with adjustable seat according to claim 4, characterized in that: Both sides of the plastic middle plate are provided with protrusions integrally formed with the plastic middle plate. The extension direction of each protrusion is parallel to the extension direction of the adjustment rod. The first chair plate and the second chair plate are provided with connecting slots adapted to the protrusions. Both sides of the protrusions are provided with side shafts. The side walls of the connecting slots are provided with side holes adapted to each side shaft. The plastic middle plate is rotatably connected to the first chair plate and the second chair plate through the insertion and engagement of the protrusions with the connecting slots and the engagement of each side shaft with the side holes.

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