Seat adjusting mechanism of electric power-assisted bicycle

Abstract

The utility model relates to the technical field of electric power-assisted bicycles, and discloses a seat adjusting mechanism of an electric power-assisted bicycle, which comprises a bicycle body mechanism and an adjusting mechanism, the adjusting mechanism is movably connected to the surface of the bicycle body mechanism, and the bicycle body mechanism comprises a bearing unit and a power-assisted unit. According to the seat adjusting mechanism of the electric power-assisted bicycle, the seat cushion is allowed to be finely adjusted in the horizontal direction through the transverse moving adjusting function so as to adapt to the body type and sitting posture preference of different riders, the riders can find the most comfortable riding position in cooperation with height adjustment, the riding comfort and stability are further improved, and the riding comfort and stability are improved. By adjusting the height and the transverse moving position of the seat cushion, a rider can more easily find the most suitable riding posture, the riding comfort can be improved, pain or injury caused by improper posture can be reduced, the rider can keep balance in the riding process due to the proper seat cushion position and height, and the riding comfort is improved. And potential safety hazards caused by shaking or instability are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric power assist bicycle technical field, concretely is the seat adjusting mechanism of electric power assist bicycle. BACKGROUND

[0002] Power-assisted bicycle is a new type of two-wheeled vehicle, which belongs to a bicycle, uses a battery as an auxiliary power source, is installed with a motor, and has a power assistance system, and can realize the integration of human-powered riding and motor-assisted new transportation.

[0003] The prior art discloses an application number: 202221329378.2 height-adjustable electric power assist bicycle, including electric power assist bicycle frame, filling pipe, limit support, seat rod and saddle, the electric power assist bicycle frame is fixedly connected with filling pipe, and the inner side of filling pipe is slidably connected with limit support, the inner side of electric power assist bicycle frame is slidably connected with seat rod, and the top of seat rod is provided with folding cover, the outer side of filling pipe is fixedly connected with the sleeve, the utility model discloses a movable shaft, gasket and knob are set up, not only convenient to disassemble and overhaul, and the user can pass through the rotation knob and be inserted in the second positioning hole with movable shaft, realize the fixation of limit support, the setting of gasket can improve the stability of the joint, avoid the phenomenon of loosening, and through the setting folding cover and cover frame, the user can protect the saddle by turning folding cover and cover frame, avoid the surface of saddle sticking dust.

[0004] However, the prior art still has the following disadvantages, first, the above-mentioned device is adjusted by setting a height adjusting mechanism during use, but the seat position of the above-mentioned device is relatively limited, and it is not convenient to adjust horizontally to adapt to users of different body types. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing the seat adjusting mechanism of electric power assist bicycle to solve the problems in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: the seat adjusting mechanism of electric power assist bicycle, including car body mechanism and adjusting mechanism, the adjusting mechanism is movably connected on the surface of car body mechanism.

[0007] The car body mechanism includes a bearing unit and a power-assisted unit, the power-assisted unit is movably connected on the surface of the bearing unit, and the adjusting mechanism is movably connected on the surface of the bearing unit.

[0008] Preferably, the support unit comprises a support triangle, a rear connecting frame, a foot pedal, a front connecting frame, a steering handle, a front roller, a rear roller, and a slide bar. The rear connecting frame is fixedly connected to one side of the support triangle, the foot pedal is movably connected to the bottom of the support triangle, the front connecting frame is fixedly connected to the other side of the support triangle, the steering handle is rotatably connected to the top of the front connecting frame, the front roller is rotatably connected to the bottom of the front connecting frame, the rear roller is rotatably connected to the bottom of the rear connecting frame, and the slide bar is fixedly connected to the top of the support triangle, serving as the main support.

[0009] Preferably, the assist unit consists of a mounting bracket, a battery, an assist motor, and a transmission gear rod. The mounting bracket is fixedly connected to the inside of the load-bearing tripod, the battery is snapped onto the surface of the mounting bracket, the assist motor is fixedly connected to the bottom of the load-bearing tripod, and the transmission gear rod is rotatably connected to the bottom of the load-bearing tripod and the side of the rear roller, playing the main assist role.

[0010] Preferably, the adjustment mechanism consists of a slider, a sliding hole, a tensioning bolt, a sliding sleeve, a height adjustment rod, a seat cushion, and a locking device. The slider is slidably connected to the surface of the slide rod frame, the sliding hole is opened on the side of the slider, the tensioning bolt is threaded to the side of the slider, the sliding sleeve is fixedly connected to the inside of the slider, the height adjustment rod is movably connected to the inside of the sliding sleeve, the seat cushion is fixedly connected to the top of the height adjustment rod, and the locking device is movably connected to the top of the sliding sleeve, playing the main role of adjusting the seat cushion.

[0011] Preferably, the locking device is clamped onto the surface of the height adjustment rod to lock the seat height.

[0012] Preferably, the tensioning bolt extends inside the sliding hole to lock the seat position.

[0013] Preferably, the surface of the height adjustment rod is provided with a groove, and the inside of the sliding sleeve is provided with a protrusion, wherein the protrusion is inserted into the inside of the groove to prevent the seat cushion from shifting.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. The seat adjustment mechanism of this electric-assisted bicycle allows the seat to be finely adjusted in the horizontal direction through the lateral adjustment function to adapt to the body shape and sitting posture preferences of different riders. Combined with the height adjustment, it helps riders find the most comfortable riding position, further improving riding comfort and stability.

[0016] 2. The seat adjustment mechanism of this electric-assisted bicycle allows riders to more easily find the most suitable riding posture by adjusting the height and lateral position of the seat. This not only helps to improve riding comfort but also reduces pain or injury caused by improper posture. Furthermore, the appropriate seat position and height help riders maintain balance during riding, reducing safety hazards caused by swaying or instability. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;

[0018] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0019] Figure 3 This is a side view of the structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the seat cushion structure of this utility model.

[0021] In the diagram: 1. Vehicle body structure; 101. Load-bearing triangular frame; 102. Rear connecting frame; 103. Foot pedal; 104. Front connecting frame; 105. Steering handle; 106. Front roller; 107. Rear roller; 108. Slide bar frame; 111. Mounting bracket; 112. Battery; 113. Power assist motor; 114. Transmission gear rod; 2. Adjustment mechanism; 211. Slider; 212. Sliding hole; 213. Tensioning bolt; 214. Sliding sleeve; 215. Height adjustment rod; 216. Seat cushion; 217. Locking device. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 The present invention provides the following technical solution: a seat adjustment mechanism for an electric-assisted bicycle, comprising a body mechanism 1 and an adjustment mechanism 2, wherein the adjustment mechanism 2 is movably connected to the surface of the body mechanism 1, the body mechanism 1 comprising a support unit and an assist unit, wherein the assist unit is movably connected to the surface of the support unit, and the adjustment mechanism 2 is movably connected to the surface of the support unit.

[0024] The support unit consists of a support triangle 101, a rear connecting frame 102, a foot pedal 103, a front connecting frame 104, a steering handle 105, a front roller 106, a rear roller 107, and a slide bar 108. The rear connecting frame 102 is fixedly connected to one side of the support triangle 101, the foot pedal 103 is movably connected to the bottom of the support triangle 101, the front connecting frame 104 is fixedly connected to the other side of the support triangle 101, the steering handle 105 is rotatably connected to the top of the front connecting frame 104, the front roller 106 is rotatably connected to the bottom of the front connecting frame 104, and the rear roller 107 is rotatable. Connected to the bottom of the rear connecting frame 102, the slide bar frame 108 is fixedly connected to the top of the supporting triangle 101, playing a major supporting role. The assist unit consists of a mounting frame 111, a battery 112, an assist motor 113, and a transmission gear rod 114. The mounting frame 111 is fixedly connected to the inside of the supporting triangle 101, the battery 112 is snapped onto the surface of the mounting frame 111, the assist motor 113 is fixedly connected to the bottom of the supporting triangle 101, and the transmission gear rod 114 is rotatably connected to the bottom of the supporting triangle 101 and the side of the rear roller 107, playing a major assist role.

[0025] The adjustment mechanism 2 consists of a slider 211, a sliding hole 212, a tensioning bolt 213, a sliding sleeve 214, a height adjustment rod 215, a seat cushion 216, and a locking device 217. The slider 211 is slidably connected to the surface of the slide rod frame 108. The sliding hole 212 is located on the side of the slider 211. The tensioning bolt 213 is threaded onto the side of the slider 211 and extends into the sliding hole 212, locking the seat cushion 216 in position. The sliding sleeve 214 is fixedly connected to the inside of the slider 211. The height adjustment rod 215 is also included. The height adjustment rod 215 is movably connected to the inside of the sliding sleeve 214. The surface of the height adjustment rod 215 is provided with a groove, and the inside of the sliding sleeve 214 is provided with a protrusion. The protrusion is inserted into the inside of the groove to prevent the seat cushion 216 from shifting. The seat cushion 216 is fixedly connected to the top of the height adjustment rod 215. The locking device 217 is movably connected to the top of the sliding sleeve 214. The locking device 217 is clamped on the surface of the height adjustment rod 215 to lock the height of the seat cushion 216 and plays the main role in adjusting the seat cushion 216.

[0026] In use, the user loosens the slider 211 by rotating the tension bolt 213, moves it laterally according to their own habits to adjust the position of the seat 216, and adjusts the height of the seat 216 by using the height adjustment rod 215, and locks it by using the locking device 217, so as to achieve quick and convenient adjustment to adapt to the body shape and sitting posture preferences of different riders.

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

Claims

1. A seat adjustment mechanism for an electric-assisted bicycle, comprising a frame mechanism (1) and an adjustment mechanism (2), characterized in that: The adjustment mechanism (2) is movably connected to the surface of the vehicle body mechanism (1); The vehicle body mechanism (1) includes a load-bearing unit and an assist unit. The assist unit is movably connected to the surface of the load-bearing unit, and the adjustment mechanism (2) is movably connected to the surface of the load-bearing unit.

2. The seat adjustment mechanism of the electric-assisted bicycle according to claim 1, characterized in that: The supporting unit consists of a supporting tripod (101), a rear connecting frame (102), a foot pedal (103), a front connecting frame (104), a directional handle (105), a front roller (106), a rear roller (107), and a slide bar (108). The rear connecting frame (102) is fixedly connected to one side of the supporting tripod (101), the foot pedal (103) is movably connected to the bottom of the supporting tripod (101), the front connecting frame (104) is fixedly connected to the other side of the supporting tripod (101), the directional handle (105) is rotatably connected to the top of the front connecting frame (104), the front roller (106) is rotatably connected to the bottom of the front connecting frame (104), the rear roller (107) is rotatably connected to the bottom of the rear connecting frame (102), and the slide bar (108) is fixedly connected to the top of the supporting tripod (101).

3. The seat adjustment mechanism of the electric-assisted bicycle according to claim 2, characterized in that: The assist unit consists of a mounting bracket (111), a battery (112), an assist motor (113), and a transmission gear rod (114). The mounting bracket (111) is fixedly connected to the inside of the support triangle (101). The battery (112) is snapped onto the surface of the mounting bracket (111). The assist motor (113) is fixedly connected to the bottom of the support triangle (101). The transmission gear rod (114) is rotatably connected to the bottom of the support triangle (101) and the side of the rear roller (107).

4. The seat adjustment mechanism of the electric-assisted bicycle according to claim 3, characterized in that: The adjustment mechanism (2) consists of a slider (211), a sliding hole (212), a tensioning bolt (213), a sliding sleeve (214), a height adjustment rod (215), a seat cushion (216), and a locking device (217). The slider (211) is slidably connected to the surface of the slide rod frame (108). The sliding hole (212) is opened on the side of the slider (211). The tensioning bolt (213) is threadedly connected to the side of the slider (211). The sliding sleeve (214) is fixedly connected to the inside of the slider (211). The height adjustment rod (215) is movably connected to the inside of the sliding sleeve (214). The seat cushion (216) is fixedly connected to the top of the height adjustment rod (215). The locking device (217) is movably connected to the top of the sliding sleeve (214).

5. The seat adjustment mechanism of the electric-assisted bicycle according to claim 4, characterized in that: The locking device (217) is clamped on the surface of the height adjustment rod (215).

6. The seat adjustment mechanism of the electric-assisted bicycle according to claim 5, characterized in that: The tensioning bolt (213) extends into the interior of the sliding hole (212).

7. The seat adjustment mechanism of the electric-assisted bicycle according to claim 6, characterized in that: The surface of the height adjustment rod (215) is provided with a groove, and the inside of the sliding sleeve (214) is provided with a protrusion, wherein the protrusion is inserted into the inside of the groove.

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