Stable shock-resistant frame of electric power-assisted bicycle

Abstract

The utility model relates to the technical field of electric power-assisted bicycle frames, and discloses an electric power-assisted bicycle stable anti-shock frame which comprises a frame body, a supporting column and a saddle plate, the supporting column is arranged in the middle of the top end of the frame body in a welded mode, and a fixing base is integrally arranged at the top end of the supporting column. Second mounting bases are integrally arranged on the two sides of the bottom end of the saddle plate, first mounting bases are integrally arranged on the two sides of the fixing base, dampers are mounted between the first mounting base and the second mounting base on the same side, and one end of each damper is sleeved with a second spring base. According to the utility model, as the saddle plate is inserted into the top end of the supporting column through the positioning rod, when the top of the saddle plate is subjected to downward pressure, the first spring seat can be compressed to preliminarily buffer the saddle plate, and meanwhile, the dampers and the second spring seats which are arranged at the two ends of the saddle plate and are connected with the two sides of the fixed seat can also be compressed; and the saddle plate is further buffered.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric power-assisted bicycle frame technical field especially relates to a kind of electric power-assisted bicycle stable anti-vibration frame. BACKGROUND

[0002] Electric power-assisted bicycle, also known as electric bicycle or electric auxiliary bicycle, is a kind of traffic tool combined with traditional bicycle and electric power system. Electric power-assisted bicycle is a kind of bicycle that can provide additional power by electric motor when riding. The electric motor is usually located at the rear wheel or the middle shaft, powered by battery.

[0003] The seat position of the traditional electric power-assisted bicycle frame mostly lacks a damping structure for the seat, which may cause the seat to have insufficient damping effect. The vibrations from the road during riding are directly transmitted to the rider's hips, causing discomfort during riding. Long-term riding may cause hip or back pain, greatly reducing the riding experience of the user.

[0004] Therefore, the skilled person in the art provides an electric power-assisted bicycle stable anti-vibration frame to solve the problems raised in the background art. SUMMARY

[0005] The utility model aims at solving the shortcomings in the prior art and provides an electric power-assisted bicycle stable anti-vibration frame. When the seat plate is subjected to downward pressure at the top, the first spring seat will be compressed to preliminarily buffer the seat plate. At the same time, the dampers and second spring seats installed on both sides of the fixed seat at both ends of the seat plate will also be compressed to further buffer the seat plate. The dampers can suppress the repeated bouncing of the first spring seat and second spring seat after absorbing various impacts from the road to accelerate the decay of spring natural vibration, thereby improving the damping effect of the seat plate and enhancing the riding comfort of the user.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An electric power-assisted bicycle stable anti-vibration frame includes a frame body, a support column and a seat plate. The support column is welded to the top center of the frame body. The top end of the support column is integrally provided with a fixed seat. The bottom end of the seat plate is integrally provided with a second mounting seat on both sides. The two sides of the fixed seat are integrally provided with a first mounting seat. A damper is installed between the first mounting seat and the second mounting seat on the same side. One end of each damper is sleeved with a second spring seat. The two ends of each second spring seat are fixedly connected to the two ends of the same group of dampers.

[0008] Through the technical scheme, when the seat plate top is subjected to downward pressure, the dampers and the second spring seat connected and installed at both sides of the seat plate two ends are also compressed to buffer the seat plate, and the dampers can inhibit repeated bouncing of the first spring seat and the second spring seat after absorbing various impacts from the road surface to accelerate decay of spring inherent vibration, thereby improving the damping effect of the seat plate and enhancing the riding comfort of the user.

[0009] Further, the top end of the fixed seat is provided with a fixed hole, and the bottom end of the seat plate is integrally provided with a positioning rod which is inserted into the fixed hole.

[0010] Through the technical scheme, the top end of the fixed seat is provided with a fixed hole, and the bottom end of the seat plate is integrally provided with a positioning rod which is inserted into the fixed hole, thereby facilitating the restriction of the seat plate and the up-and-down movement of the seat plate.

[0011] Further, the bottom end of the seat plate is provided with a first spring seat which is sleeved on the outer end of the positioning rod.

[0012] Through the technical scheme, the bottom end of the seat plate is provided with a first spring seat which is sleeved on the outer end of the positioning rod, thereby preliminarily buffering the seat plate when the top end of the seat plate is subjected to downward pressure.

[0013] Further, both ends of each damper are integrally provided with a connecting piece, and a connecting bolt is installed at the connection of each connecting piece with the first mounting seat and the second mounting seat, and each connecting bolt is used in cooperation with a nut.

[0014] Through the technical scheme, a connecting bolt is installed at the connection of each connecting piece with the first mounting seat and the second mounting seat, thereby facilitating the installation and dismounting of the damper.

[0015] Further, the connection of the first spring seat with the seat plate is provided with a fixed bolt at each corner.

[0016] Through the technical scheme, the connection of the first spring seat with the seat plate is provided with a fixed bolt at each corner, thereby facilitating the installation and dismounting of the first spring seat.

[0017] Further, a reinforcing column is welded between one side of the support column and the frame body, and the reinforcing column is triangular after being connected with the support column and the frame body.

[0018] Through the technical scheme, a reinforcing column is welded between one side of the support column and the frame body, and the reinforcing column is triangular after being connected with the support column and the frame body, thereby improving the stability and strength of the frame.

[0019] The utility model has the following beneficial effects:

[0020] 1, the utility model discloses a kind of electric power-assisted bicycle stable shock resistance frame, because seat plate is inserted in the top of support column by positioning rod, when the top of seat plate is subjected to downward pressure, first spring seat will be compressed to carry out preliminary buffering to seat plate, while damper and second spring seat installed in seat plate both ends and the both sides of fixed seat are also compressed, further buffering to seat plate, and damper can inhibit the repeated bounce generated after first spring seat and second spring seat absorb various impacts of road surface, to accelerate the attenuation of spring inherent vibration, so as to improve the damping effect of seat plate, enhance the riding comfort of user.

[0021] 2, the utility model discloses a kind of electric power-assisted bicycle stable shock resistance frame, connecting bolt is installed at the junction of each connecting piece and first mounting seat and second mounting seat, to facilitate the installation and disassembly of damper, fixed bolt is installed at the junction of first spring seat and seat plate, to facilitate the installation and disassembly of first spring seat, by being designed into detachable independent individual for damper and first spring seat, to facilitate the replacement of damaged damper and first spring seat in later period, reduce maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the front view of the utility model of a kind of electric power-assisted bicycle stable shock resistance frame;

[0023] Figure 2 It is the top view of the utility model of a kind of electric power-assisted bicycle stable shock resistance frame;

[0024] Figure 3 It is the section view of the utility model of a kind of electric power-assisted bicycle stable shock resistance frame;

[0025] Figure 4 It is the front view of the utility model of a kind of electric power-assisted bicycle stable shock resistance frame seat plate;

[0026] Figure 5 It is the front view of the utility model of a kind of electric power-assisted bicycle stable damper;

[0027] Figure 6 It is the front view of the utility model of a kind of electric power-assisted bicycle stable first spring seat.

[0028] LEGEND:

[0029] 1, frame body; 2, support column; 3, reinforcing column; 4, fixed seat; 5, fixed hole; 6, saddle plate; 7, positioning rod; 8, first spring seat; 9, fixed bolt; 10, first mounting seat; 11, second mounting seat; 12, damper; 13, connecting piece; 14, second spring seat; 15, connecting bolt. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Referring to Figures 1-6 The utility model provides an embodiment: a kind of electric power-assisted bicycle stable anti-vibration frame, including frame body 1, support column 2 and saddle plate 6, support column 2 is welded and is arranged in the top end middle part of frame body 1, the top end of support column 2 is integrally provided with fixed seat 4, the bottom end of saddle plate 6 both sides is integrally provided with second mounting seat 11, the both sides of fixed seat 4 are integrally provided with first mounting seat 10, same side first mounting seat 10 and second mounting seat 11 are installed with damper 12, one end of each damper 12 is all equipped with second spring seat 14, and both ends of each second spring seat 14 are fixedly connected with the both ends of same group damper 12 respectively, since saddle plate 6 is inserted in the top end of support column 2 by positioning rod 7, when the top of saddle plate 6 is subjected to downward pressure, the damper 12 and second spring seat 14 connected and installed on both sides of fixed seat 4 at the both ends of saddle plate 6 are also compressed, and the damper 12 can inhibit the repeated bounce generated after first spring seat 8 and second spring seat 14 absorb various impacts of road surface, to accelerate the attenuation of spring inherent vibration, so as to improve the damping effect of saddle plate 6, enhance the riding comfort of user.

[0032] The top end of the fixing seat 4 is provided with a fixing hole 5, the bottom end of the seat plate 6 is integrally provided with a positioning rod 7, the positioning rod 7 is inserted into the inside of the fixing hole 5, the top end of the fixing seat 4 is provided with a fixing hole 5, the bottom end of the seat plate 6 is integrally provided with a positioning rod 7, the positioning rod 7 is inserted into the inside of the fixing hole 5, so that the seat plate 6 is conveniently limited and the seat plate 6 is conveniently moved up and down, the bottom end of the seat plate 6 is provided with a first spring seat 8, the first spring seat 8 is sleeved on the outer end of the positioning rod 7, the bottom end of the seat plate 6 is provided with a first spring seat 8, the first spring seat 8 is sleeved on the outer end of the positioning rod 7, so that the seat plate 6 can be preliminarily buffered when the top end of the seat plate 6 is subjected to downward pressure, both ends of each damper 12 are integrally provided with a connecting piece 13, each connecting piece 13 is provided with a connecting bolt 15 at the connection position of the first mounting seat 10 and the second mounting seat 11, each connecting bolt 15 is used in cooperation with a nut, the connecting bolt 15 is arranged at the connection position of each connecting piece 13, the first mounting seat 10 and the second mounting seat 11, so that the damper 12 is conveniently mounted and dismounted, the four corners of the connection position of the first spring seat 8 and the seat plate 6 are provided with a fixing bolt 9, the four corners of the connection position of the first spring seat 8 and the seat plate 6 are provided with a fixing bolt 9, so that the first spring seat 8 is conveniently mounted and dismounted, a reinforcing column 3 is arranged between one side of the supporting column 2 and the frame body 1, the reinforcing column 3 is triangular after being connected with the supporting column 2 and the frame body 1, the reinforcing column 3 is arranged between one side of the supporting column 2 and the frame body 1, so that the stability of the frame is improved.

[0033] Working principle: since the seat plate 6 is inserted into the top end of the supporting column 2 through the positioning rod 7, when the top end of the seat plate 6 is subjected to downward pressure, the first spring seat 8 is compressed to preliminarily buffer the seat plate 6, at the same time, the dampers 12 and the second spring seat 14 connected and mounted at both ends of the seat plate 6 and both sides of the fixing seat 4 are also compressed to further buffer the seat plate 6, and the damper 12 can inhibit the repeated bouncing of the first spring seat 8 and the second spring seat 14 after absorbing various impacts from the road surface, so as to accelerate the attenuation of the inherent vibration of the spring, thereby improving the damping effect of the seat plate 6 and enhancing the riding comfort of the user, the connecting bolt 15 is arranged at the connection position of each connecting piece 13, the first mounting seat 10 and the second mounting seat 11, so that the damper 12 is conveniently mounted and dismounted, the fixing bolt 9 is arranged at the connection position of the first spring seat 8 and the seat plate 6, so that the first spring seat 8 is conveniently mounted and dismounted, the damper 12 and the first spring seat 8 are designed to be detachable independent individuals, so that the damaged damper 12 and the first spring seat 8 are conveniently replaced in the later period, and the maintenance cost is reduced.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An electrically assisted bicycle stabilizing anti-vibration frame comprising a frame body (1), support columns (2) and a seat plate (6), characterized in that: The support column (2) is welded in the middle of the top end of the frame body (1), the top end of the support column (2) is integrally provided with a fixing seat (4), the bottom end of the seat plate (6) is integrally provided with a second mounting seat (11) on both sides, the fixing seat (4) is integrally provided with a first mounting seat (10) on both sides, the first mounting seat (10) and the second mounting seat (11) on the same side are provided with a damper (12), one end of each damper (12) is provided with a second spring seat (14), and the two ends of each second spring seat (14) are fixedly connected with the two ends of the same group of dampers (12).

2. An electrically assisted bicycle stabilizing anti-vibration frame according to claim 1, characterized in that: The top end of the fixing seat (4) is provided with a fixing hole (5), and the bottom end of the seat plate (6) is integrally provided with a positioning rod (7), which is inserted into the inside of the fixing hole (5).

3. An electrically assisted bicycle stabilizing anti-vibration frame according to claim 1, characterized in that: The bottom end of the seat plate (6) is provided with a first spring seat (8), and the first spring seat (8) is sleeved on the outer end of the positioning rod (7).

4. An electrically assisted bicycle stabilizing anti-vibration frame according to claim 1, characterized in that: The two ends of each damper (12) are integrally provided with a connecting piece (13), the connecting piece (13) is provided with a connecting bolt (15) at the connection between the first mounting seat (10) and the second mounting seat (11), and each connecting bolt (15) is used in cooperation with a nut.

5. An electrically assisted bicycle stabilizing anti-vibration frame according to claim 3, characterized in that: The connecting place of the first spring seat (8) and the seat plate (6) is provided with a fixing bolt (9) at four corners.

6. An electrically assisted bicycle stabilizing anti-vibration frame according to claim 1, characterized in that: The side of the support column (2) and the frame body (1) are welded with a reinforcing column (3), and the reinforcing column (3) is triangular after being connected with the support column (2) and the frame body (1).

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