Adjusting device for small saddle of electric bicycle

Abstract

The utility model relates to an electric bicycle small saddle adjusting device which comprises a saddle, a saddle supporting frame and a saddle bottom plate, the saddle supporting frame is detachably fixed to the tail end of a rear seat of an electric bicycle, and the bottom end of the saddle supporting frame is detachably connected to the top end of the saddle bottom plate; the saddle comprises a saddle cushion and a saddle mounting plate, the bottom end of the saddle cushion is fixedly connected to the upper surface of the saddle mounting plate, the saddle mounting plate is detachably connected to the saddle supporting frame, and multiple sets of adjusting grooves are formed in the two sides of the saddle supporting frame in the height direction of the saddle supporting frame; a plurality of sets of fixing holes matched with the adjusting grooves in position are formed in the two sides of the saddle mounting plate in the height direction of the saddle mounting plate, the adjusting grooves and the fixing holes are fixed through screws, and height adjustment of the saddle on the saddle supporting frame is achieved. The height of the small saddle can be conveniently adjusted by a user according to self requirements, the effects of convenience, adjustability, multi-gear locking and high stability are achieved, and the riding comfort of the electric bicycle is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric bicycle technical field especially is involved in a kind of adjusting device of electric bicycle small saddle. BACKGROUND

[0002] With the acceleration of urbanization and the popularization of green travel concept, electric bicycles have become an important means of transport for urban and rural residents for short trips. As the core component of riding comfort, the design of saddle directly affects the riding experience of users.

[0003] Most of the electric bicycles on the market currently use fixed saddles, which cannot be adjusted in height according to the height, posture or road conditions of the rider. Since the height of the small saddle cannot be flexibly adjusted according to the height or riding needs of the rider, it directly leads to a significant reduction in comfort during riding. Long-term riding at an uncomfortable saddle height can easily cause the rider to experience body fatigue, local soreness and other conditions, severely affecting the riding experience and even potentially harming the rider's health.

[0004] Although existing electric bicycles have adjustable small saddles, they have certain defects in terms of adjustment convenience, gear setting and stability, and cannot meet the more personalized and more comfortable and safe riding experience needs of electric bicycle users. INVENTION CONTENTS

[0005] To address the deficiencies in the prior art, the utility model aims to provide an adjusting device for the small saddle of an electric bicycle, which allows users to adjust the height of the small saddle according to their own needs, has the effects of convenient adjustment, multi-gear locking and strong stability, effectively improves the comfort of riding an electric bicycle, and has a wide market application prospect.

[0006] The above utility model of the utility model is realized by the following technical solutions:

[0007] An adjusting device for the small saddle of an electric bicycle includes a saddle and a saddle support frame. The saddle support frame is detachably fixed to the tail end of the rear seat of the electric bicycle. The bottom end of the saddle support frame is detachably connected to the top end of the saddle bottom plate. The saddle includes a saddle cushion, a saddle mounting plate and a saddle bottom plate. The bottom end of the saddle cushion is fixedly connected to the upper surface of the saddle mounting plate. The saddle mounting plate is detachably connected to the saddle support frame. Multiple sets of adjusting grooves are formed in the height direction on both sides of the saddle support frame. Fixed holes matching the positions of the adjusting grooves are provided on both sides of the saddle mounting plate in the height direction. The adjusting grooves and the fixed holes are fixed by screws to achieve height adjustment of the saddle on the saddle support frame.

[0008] By the technical scheme, the height of the saddle on the saddle support frame is adjusted through the cooperation of the multiple sets of adjusting grooves and the fixing holes and the screws, the adjustability of the height of the saddle is greatly improved, the riding requirements of different users are met, and the riding comfort is enhanced.

[0009] As a further technical scheme of the utility model, at least two sets of adjusting grooves are arranged on the saddle support frame, the adjusting grooves include a first adjusting groove and a second adjusting groove, the first adjusting groove is located at the upper part of the saddle support frame along the height direction of the saddle support frame, and the second adjusting groove is located at the lower part of the saddle support frame along the height direction of the saddle support frame.

[0010] By the technical scheme, different gear selections are provided for the height adjustment of the saddle, the flexibility and pertinence of adjustment are increased, and the height of the saddle can be better adapted to the requirements of users of different heights or different riding scenes.

[0011] As a further technical scheme of the utility model, the first adjusting groove and the second adjusting groove each include three circular grooves, and the axes of the three circular grooves in each set of adjusting grooves are coplanar.

[0012] By the technical scheme, the circular grooves are designed to cooperate with the screws, the height of the small saddle is accurately adjusted, the axes of the three circular grooves are coplanar, the pressure from the saddle and various forces generated in the riding process can be better borne, the stability of the connection between the saddle mounting plate and the saddle support frame is enhanced, the screws are prevented from loosening due to vibration and the like in the riding process, and the reliability of the height adjustment of the saddle is ensured.

[0013] As a further technical scheme of the utility model, the screw is inserted into the circular groove of a set of adjusting grooves corresponding to the height position of the fixing hole on the saddle mounting plate after passing through the fixing hole, the saddle mounting plate and the saddle support frame are fixed through threaded connection, and the locking of the saddle at different adjusting height positions of the saddle support frame is realized.

[0014] By the technical scheme, the screws on the two sides are simultaneously screwed, the mounting plate and the support frame are prevented from being deflected, the firmness and stability of the connection are improved, and the method has the advantages of low cost, firm and reliable connection, convenient installation and dismounting, and the like, and is convenient for users to adjust the height of the saddle.

[0015] As a further technical scheme of the utility model, a clamping groove is arranged at the bottom of the saddle mounting plate for embedding the saddle support frame.

[0016] By the technical scheme, the saddle and the support frame are connected with high stability, the lateral displacement is limited, the connection area is increased, the installation convenience and accuracy are improved, the precise positioning is realized, the installation precision is ensured, the adjustment performance is optimized, the stable adjustment basis is provided, and the adjustment consistency is improved.

[0017] In summary, the utility model has at least one of the following beneficial technical effects:

[0018] 1. The utility model discloses a regulating device of small saddle of electric bicycle, which satisfies the individualized demand of different users to the height of the saddle through the mode that multiple sets of adjusting grooves and fixed holes cooperate with screws, and improves riding comfort;

[0019] 2. The utility model discloses a regulating device of small saddle of electric bicycle, which realizes the adjustment of different gears of the height of the saddle through the design of different gear adjusting grooves, increases the flexibility and pertinence of the adjustment, and better adapts to the requirement of users of different heights or different riding scenes.

[0020] 3. The utility model discloses a regulating device of small saddle of electric bicycle, which realizes the stability and reliability of the connection between the saddle mounting plate and the saddle support frame through the screw connection mode, and guarantees the stability of the height of the saddle in the riding process. DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the connection between the small saddle of example one and the main body of the vehicle.

[0022] Figure 2 It is an explosion schematic view of example one.

[0023] Figure 3 It is a right view of the low adjustment gear device of the small saddle of electric bicycle of example one.

[0024] Figure 4 It is a right view of the high adjustment gear device of the small saddle of electric bicycle of example one.

[0025] Reference signs:

[0026] 1, saddle; 11, saddle cushion; 12, saddle mounting plate; 121, mounting top plate; 122, mounting vertical plate; 123, clamping groove; 124, fixed hole; 2, saddle support frame; 21, adjusting groove; 211, first adjusting groove, 212, second adjusting groove; 21a, circular groove; 22, support top plate; 23, support vertical plate; 24, fixed plate; 3, saddle bottom plate; 4, screw; 5, electric bicycle rear seat. DETAILED DESCRIPTION

[0027] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below; obviously, the described embodiments are only part of the embodiments of the present application, and not all the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments in the present application shall fall within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Embodiment one:

[0031] Reference Figure 1 , Figure 2 The utility model discloses a kind of adjusting device of electric bicycle small saddle, including saddle 1, saddle support frame 2 and saddle bottom plate 3, saddle support frame 2 can be detached and fixed at the tail end of electric bicycle rear seat 5.

[0032] Reference Figure 1 Saddle 1 includes saddle cushion 11, saddle mounting plate 12, the bottom end of saddle cushion 11 is fixedly connected to the upper surface of saddle mounting plate 12, saddle mounting plate 12 is detachably connected on saddle support frame 2, the bottom end of saddle support frame 2 is detachably connected the top end of saddle bottom plate 3;Two groups of adjusting grooves 21 are set up in the height direction on the two sides of saddle support frame 2, the two sides of saddle mounting plate 12 are provided with fixed hole 124 matched with the position of adjusting groove 21 in the height direction, adjusting groove 21 and fixed hole 124 are fixed by screw 4, realize the height adjustment of saddle 1 on saddle support frame 2.

[0033] The saddle cushion 11 is made of a material with certain elasticity and air permeability, such as a mixture of silicone and fabric, which can not only ensure comfort but also keep dry during long-term riding.

[0034] Referring to Figure 2 The top of the saddle mounting plate 12 is provided with a mounting top plate 121, and the two sides of the mounting top plate 121 are provided with integrally formed mounting upright plates 122. The outer surfaces of the two mounting upright plates 122 are provided with fixing holes 124. The area of the mounting top plate 121 is slightly smaller than the area of the bottom surface of the saddle cushion 11, and the mounting top plate 121 can be completely attached to the bottom of the saddle cushion 11. In addition, a reinforcing rib is arranged at the position connected with the saddle support frame 2 to enhance the stability of the connection. The bottom of the saddle mounting plate 12 is provided with a clamping groove 123 for embedding the saddle support frame 2, and the clamping groove 123 is formed by the two mounting upright plates 122 and the mounting top plate 121.

[0035] Referring to Figure 2 The top of the saddle support frame 2 is provided with a support top plate 22, and the two sides of the support top plate 22 are provided with integrally formed support upright plates 23. One end of the support top plate 22 is provided with an integrally formed fixing plate 24. The clamping groove 123 of the saddle mounting plate 12 can be embedded on the saddle support frame 2, wherein the inner surfaces of the two mounting upright plates 122 of the saddle mounting plate 12 are respectively attached to the outer surfaces of the two support upright plates 23 of the saddle support frame 2, and the inner surface of the mounting top plate 121 is above the outer surface of the support top plate 22.

[0036] Referring to Figure 2 The top end of the saddle bottom plate 3 is provided with a boss, and the bottom end of the saddle support frame 2 is provided with a corresponding recess. The top end of the saddle bottom plate 3 is clamped and connected with the bottom end of the saddle support frame 2, which not only ensures the detachability but also improves the connection firmness.

[0037] Referring to Figure 2 In addition, in order to ensure the connection between the small saddle and the main body of the vehicle to be more firm, four threaded holes and one rectangular slot are formed on the fixing plate 24 of the saddle support frame 2, and four threaded slots and one rectangular boss are formed at the corresponding position of the tail end of the electric bicycle rear seat 5. The threaded holes and the threaded slots are fixed by bolts, the rectangular slot on the fixing plate 24 and the rectangular boss at the tail end of the electric bicycle rear seat 5 are clamped, and the fixing plate 24 is fixed at the tail end of the electric bicycle rear seat 5 by the two kinds of detachable fixing modes of bolt fastening and buckle connection. This not only ensures the firm connection, but also facilitates the installation and disassembly.

[0038] Referring to Figure 2 At least two groups of adjusting grooves 21 are formed on the saddle support frame 2. The adjusting grooves 21 include a first adjusting groove 211 and a second adjusting groove 212. The first adjusting groove 211 is located at the upper part of the saddle support frame 2 along the height direction, and the second adjusting groove 212 is located at the lower part of the saddle support frame 2 along the height direction.

[0039] The positions and intervals of the first adjustment slot 211 and the second adjustment slot 212 can be set according to ergonomic principles combined with common electric bicycle riding posture data. For example, the first adjustment slot 211 is suitable for users with high height or who like to adjust the saddle to a high position to pursue speed, and its position can be above 2 / 3 of the height of the saddle support frame 2; the second adjustment slot 212 is suitable for users with low height or who pay attention to riding stability, and its position is below 1 / 3 of the height of the saddle support frame 2. The lower limit of the number of adjustment slots 21 is two groups, and it can also be set to 3-5 groups according to the width and structural strength requirements of the saddle support frame 2. The interval between each group of adjustment slots 21 can be set to 2-5 cm, which facilitates users to make accurate adjustments according to their own needs.

[0040] The first adjustment slot 211 and the second adjustment slot 212 each include three circular slots 21a, and the axes of the three circular slots 21a in each group of adjustment slots 21 are coplanar. The diameter of the circular slot 21a can be adapted to the size of the screw 4, generally 1-2 mm larger than the head diameter of the screw 4, facilitating the head of the screw 4 to be embedded. The depth of the circular slot 21a can be designed to be 1.2-1.5 times the height of the head of the screw 4, ensuring that the head of the screw 4 can be completely embedded in the circular slot 21a, and there is a certain space for movement in the circular slot 21a, which is convenient for installation. The axes of the circular slots 21a are coplanar, and high-precision die stamping or numerical control machining processes can be used during manufacturing to ensure that the axis deviation of each group of circular slots 21a is controlled within a very small range, such as ±0.5 mm, to improve the accuracy and stability of the connection.

[0041] Reference Figure 2 and Figure 3 The screw 4 can be made of high-strength stainless steel to prevent rust, and the head of the screw 4 can be designed as an internal hexagonal or cross slot head to facilitate users to use common tools for operation.

[0042] After the screw 4 passes through the fixing hole 124 on the saddle mounting plate 12 and is inserted into the circular slot 21a of the group of adjustment slots 21 corresponding to the height position of the fixing hole 124, the saddle mounting plate 12 and the saddle support frame 2 are fixed by threaded connection, realizing the locking of the saddle 1 at different adjustment height positions of the saddle support frame 2.

[0043] A spring washer and a flat washer are used on screw 4. The spring washer prevents screw 4 from loosening, while the flat washer increases the contact area between screw 4 and the groove wall of circular groove 21a, dispersing pressure and protecting the groove wall of circular groove 21a from damage. The thread of screw 4 can be a fine thread. Compared with coarse thread, fine thread can provide greater axial force under the same tightening torque, making the connection tighter and effectively preventing screw 4 from loosening due to vibration during riding, ensuring the stability of the height adjustment position of saddle 1. The length of screw 4 should be accurately calculated based on the thickness of circular groove 21a, fixing hole 124 and the thickness of the washer used, to ensure that the screw part is not too long or too short after screw 4 is tightened, ensuring the connection effect.

[0044] refer to Figure 3 The steps for setting the low adjustment position of the small saddle are as follows: First, unlock the saddle by manually rotating screw 4 counterclockwise until it is loose (rotation angle ≥ 90°); next, insert the saddle support frame 2 into the saddle mounting plate 12, and fit the mounting plates 122 on both sides of the saddle mounting plate 12 along the outer surface of the support plates 23 on both sides of the saddle support frame 2. Since the saddle seat 11 is fixedly connected to the mounting top plate 121, you can press the saddle seat 11 down directly. Applying vertical force will insert the saddle support frame 2 into the slot 123 of the saddle mounting plate 12; next, adjust the height by sliding the saddle mounting plate 12 upward along the saddle support frame 2 to the second adjustment slot 212; finally, lock the saddle by aligning screw 4 with the circular slot 21a of the second adjustment slot 212, passing it through the fixing hole 124, and inserting it into the circular slot 21a of the second adjustment slot 212, and rotating it clockwise until tightened.

[0045] refer to Figure 4 The steps for setting the height adjustment position of the small saddle are as follows: First, unlock the saddle by manually rotating screw 4 counterclockwise until it is loose (rotation angle ≥ 90°); next, insert the saddle support frame 2 into the saddle mounting plate 12, and fit the mounting plates 122 on both sides of the saddle mounting plate 12 along the outer surface of the support plates 23 on both sides of the saddle support frame 2. Since the saddle seat 11 is fixedly connected to the mounting top plate 121, you can press the saddle seat 11 downwards directly. Applying vertical force will insert the saddle support frame 2 into the slot 123 of the saddle mounting plate 12; next, adjust the height by sliding the saddle mounting plate 12 upwards along the saddle support frame 2 to the first adjustment slot 211; finally, lock the saddle by aligning screw 4 with the circular slot 21a of the first adjustment slot 211, passing it through the fixing hole 124, and inserting it into the circular slot 21a of the first adjustment slot 211, and rotating it clockwise until tightened.

[0046] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. An adjustment device for a small saddle of an electric bicycle, comprising a saddle (1), a saddle support frame (2), and a saddle base plate (3), wherein the saddle support frame (2) is detachably fixed to the rear end of the electric bicycle rear seat (5), and the bottom end of the saddle support frame (2) is detachably connected to the top end of the saddle base plate (3), characterized in that, The saddle (1) includes a saddle cushion (11) and a saddle mounting plate (12). The bottom end of the saddle cushion (11) is fixedly connected to the upper surface of the saddle mounting plate (12). The saddle mounting plate (12) is detachably connected to the saddle support frame (2). Multiple sets of adjustment grooves (21) are opened on both sides of the saddle support frame (2) along its height direction. Multiple sets of fixing holes (124) that match the positions of the adjustment grooves (21) are opened on both sides of the saddle mounting plate (12) along its height direction. The adjustment grooves (21) and the fixing holes (124) are fixed by screws (4) to realize the height adjustment of the saddle (1) on the saddle support frame (2).

2. The adjustment device for the small saddle of an electric bicycle according to claim 1, characterized in that, At least two sets of adjustment slots (21) are provided on the saddle support frame (2). The adjustment slots (21) include a first adjustment slot (211) and a second adjustment slot (212). The first adjustment slot (211) is located at the upper part of the saddle support frame (2) along its height direction, and the second adjustment slot (212) is located at the lower part of the saddle support frame (2) along its height direction.

3. The adjustment device for the small saddle of an electric bicycle according to claim 2, characterized in that, Both the first adjustment groove (211) and the second adjustment groove (212) include three circular grooves (21a), and the axes of the three circular grooves (21a) in each group of adjustment grooves (21) are coplanar.

4. The adjustment device for the small saddle of an electric bicycle according to claim 3, characterized in that, After the screw (4) passes through the fixing hole (124) on the saddle mounting plate (12), it is inserted into the circular groove (21a) of a set of adjustment grooves (21) corresponding to the height position of the fixing hole (124). The saddle mounting plate (12) and the saddle support frame (2) are fixed by threaded connection, so as to lock the saddle (1) at different adjustment height positions of the saddle support frame (2).

5. The adjustment device for the small saddle of an electric bicycle according to claim 1, characterized in that, The bottom of the saddle mounting plate (12) is provided with a slot (123) for the saddle support frame (2) to be embedded.

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