Reinforced electric bicycle frame

Abstract

The utility model discloses a reinforced electric bicycle frame, which belongs to the technical field of electric bicycles and comprises a front tube, a front beam component is arranged at one end of the front tube, a folder is arranged at one end of the front beam component, a rear beam component is arranged at one end of the folder, a middle tube is arranged at one end of the rear beam component, and a tail fork is arranged at one end of the middle tube. A battery installation seat is arranged in the tail fork, a pressing assembly is arranged above the battery installation seat, a saddle is arranged above the middle pipe, and a fixing assembly is arranged at the connecting position of the middle pipe and the saddle. According to the bicycle seat fixing device, the fixing seat, the pull rod, the fixing block, the fixing spring, the stabilizing sliding block and the stabilizing sliding rod are arranged, so that the bicycle seat is convenient to install, the height of the bicycle seat is convenient to adjust, and the use convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric bicycles, and in particular relates to a reinforced electric bicycle frame. Background Art

[0002] An electric bicycle is a vehicle that uses a battery as an auxiliary energy source and is based on an ordinary bicycle. It is equipped with a motor, controller, battery, handlebars, brake handles and other operating components and a display instrument system. The frame of the electric bicycle is the main structure of the electric bicycle.

[0003] Chinese patent application No. 201922087783.2 discloses a reinforced frame of a folding electric bicycle, the frame includes a front tube, a middle tube, a five-way, a tail fork and a middle beam mechanism, the middle beam mechanism includes a front beam assembly, a rear beam assembly and a folder, the rear beam assembly includes a first upper beam and a first lower beam spaced apart from each other, the front beam assembly includes a second upper beam and a second lower beam spaced apart from each other, a first reinforcement block is arranged between the first upper beam, the first lower beam and the folder, the first reinforcement block is welded to the first upper beam, the first lower beam and the folder respectively, a second reinforcement block is arranged between the second upper beam, the second lower beam and the folder, the second reinforcement block is welded to the second upper beam, the second lower beam and the folder respectively; an arc-shaped reinforcement tube is arranged at the bottom of the first lower beam, the two ends of the arc-shaped reinforcement tube are welded to the bottom of the first lower beam and the middle tube respectively, and the five-way is welded to the bottom of one end of the arc-shaped reinforcement tube welded to the middle tube. With the above scheme, the frame has good connection strength at the folder.

[0004] The above-mentioned patent disclosed, 1. When in use, the battery is placed through the battery mounting seat, but it is not possible to conveniently press and fix the battery; 2. When in use, the seat is installed through the middle tube, but when in use, the seat needs to be fixed by locking bolts, and when in use, the seat installation and height adjustment are not convenient enough. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a reinforced electric bicycle frame, which has the characteristics of conveniently pressing and fixing the battery, and conveniently installing the seat and adjusting the height.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reinforced electric bicycle frame, comprising a front tube, a front beam assembly is arranged at one end of the front tube, a folder is arranged at one end of the front beam assembly, a rear beam assembly is arranged at one end of the folder, a middle tube is arranged at one end of the rear beam assembly, a tail fork is arranged at one end of the middle tube, a battery mounting seat is arranged inside the tail fork, a clamping assembly is arranged above the battery mounting seat, a seat is arranged above the middle tube, and a fixing assembly is arranged at the connection between the middle tube and the seat.

[0007] Preferably, the clamping assembly includes a clamping seat, a clamping seat, a clamping rod, a clamping slider, a clamping spring, and a push rod, wherein a clamping seat is arranged inside the battery mounting seat, a clamping seat is arranged at one end of the clamping seat, a clamping rod is arranged inside the clamping seat, a clamping slider is arranged below the clamping rod, a clamping spring is arranged on one side of the clamping slider, and a push rod is arranged above the clamping rod.

[0008] Preferably, a fastening plate is provided below the pressing seat, a fastening spring is provided at the connection between the fastening plate and the pressing seat, a limiting slider is provided on one side of the fastening plate, and the middle of the limiting slider is slidably connected to the limiting slide rod.

[0009] Preferably, a limiting plug is provided on one side of the push rod, and a supporting rod is provided above the limiting plug.

[0010] Preferably, the fixing assembly includes a fixing seat, a pull rod, a fixing block, a fixing spring, a stabilizing slider and a stabilizing slide bar, wherein a fixing seat is provided on one side of the middle tube, a pull rod is provided inside the fixing seat, a fixing block is provided at one end of the pull rod, a fixing spring is provided above the pull rod, a stabilizing slider is provided below the pull rod, and a stabilizing slide bar is slidably connected in the middle of the stabilizing slider.

[0011] Preferably, a positioning rod is provided on one side of one end of the vehicle seat, and a positioning groove cooperating with the positioning rod is provided inside the middle tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model realizes the effect of conveniently pressing and fixing the battery in the battery mounting seat by setting a pressing assembly. The pressing seat is set to facilitate pressing and fixing the battery in the battery mounting seat. The clamping seat, clamping rod, clamping slider, clamping spring and push rod are set to facilitate installation and fixation of the pressing seat. The fastening plate and fastening spring are set so that the fastening spring is a fully compressed device, which has a good effect of pressing the battery. The limit plug is set to facilitate limiting the push rod.

[0014] 2. The utility model realizes the effect of convenient installation and height adjustment of the vehicle seat by setting a fixing component. The fixing seat, pull rod, fixing block, fixing spring, stabilizing slider and stabilizing slide bar are set, which makes it convenient to install and adjust the height of the vehicle seat and improves the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model cut from the front view;

[0017] Figure 3This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the fixing component of the utility model.

[0019] In the figure: 1. front tube; 2. front beam assembly; 3. folder; 4. rear beam assembly; 5. middle tube; 6. tail fork; 7. battery mounting seat; 8. clamping assembly; 81. clamping seat; 82. clamping seat; 83. clamping rod; 84. clamping slider; 85. clamping spring; 86. push rod; 861. limit plug; 811. fastening plate; 812. fastening spring; 813. limit slider; 814. limit slider; 9. fixing assembly; 91. fixing seat; 92. pull rod; 93. fixing block; 94. fixing spring; 95. stabilizing slider; 96. stabilizing slider; 10. seat. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a reinforced electric bicycle frame, including a front tube 1, a front beam assembly 2 is arranged at one end of the front tube 1, a folder 3 is arranged at one end of the front beam assembly 2, a rear beam assembly 4 is arranged at one end of the folder 3, a middle tube 5 is arranged at one end of the rear beam assembly 4, a tail fork 6 is arranged at one end of the middle tube 5, a battery mounting seat 7 is arranged inside the tail fork 6, a clamping assembly 8 is arranged above the battery mounting seat 7, a seat 10 is arranged above the middle tube 5, and a fixing assembly 9 is arranged at the connection between the middle tube 5 and the seat 10.

[0023] Specifically, the clamping assembly 8 includes a clamping seat 81, a clamping seat 82, a clamping rod 83, a clamping slider 84, a clamping spring 85, and a push rod 86, wherein a clamping seat 81 is arranged inside the battery mounting seat 7, a clamping seat 82 is arranged at one end of the clamping seat 81, a clamping rod 83 is arranged inside the clamping seat 82, a clamping slider 84 is arranged below the clamping rod 83, a clamping spring 85 is arranged on one side of the clamping slider 84, and a push rod 86 is arranged above the clamping rod 83.

[0024] By adopting the above technical solution, by connecting the clamping seat 82 and the battery mounting seat 7, and then moving the clamping seat 82 downward, under the action of the guide slide, the clamping rod 83 and the battery mounting seat 7 abut, which will cause the clamping rod 83 to drive the clamping slider 84 to move and compress the clamping spring 85. When the clamping rod 83 and the clamping hole are overlapped, the clamping spring 85 drives the clamping rod 83 to insert into the clamping hole to fix the clamping seat 82, so that the clamping seat 81 presses and fixes the battery, so that when the device is in use, it is convenient to press and fix the battery in the battery mounting seat 7, thereby improving the practicality of use.

[0025] Specifically, a fastening plate 811 is provided below the clamping seat 81, a fastening spring 812 is provided at the connection between the fastening plate 811 and the clamping seat 81, a limiting slider 813 is provided on one side of the fastening plate 811, and a limiting slide rod 814 is slidably connected in the middle of the limiting slider 813.

[0026] By adopting the above technical solution, when the clamping seat 81 and the battery are in contact, the fastening plate 811 will be driven to move in the clamping seat 81 to compress the fastening spring 812, so that the fastening spring 812 is a complete compression device, which has a good effect of clamping the battery.

[0027] Specifically, a limiting plug block 861 is disposed on one side of the push rod 86 , and a supporting rod is disposed above the limiting plug block 861 .

[0028] By adopting the above technical solution, the limiting plug 861 can limit the push rod 86 after the pressing seat 81 is installed.

[0029] When the present embodiment is in use, by connecting the clamping seat 82 and the battery mounting seat 7, and then moving the clamping seat 82 downward, the clamping rod 83 and the battery mounting seat 7 abut against each other under the action of the guide slide, which will cause the clamping rod 83 to drive the clamping slider 84 to move and compress the clamping spring 85. When the clamping rod 83 and the clamping hole are moved to coincide, the clamping spring 85 drives the clamping rod 83 to insert into the clamping hole to fix the clamping seat 82, thereby making the clamping seat 81 press and fix the battery. When the clamping seat 81 and the battery abut against each other, it will drive the fastening plate 811 to move in the clamping seat 81 and compress the fastening spring 812, thereby making the fastening spring 812 complete the compression device, so that the battery pressing effect is good, so that when the device is in use, it is convenient to press and fix the battery in the battery mounting seat 7, thereby improving the practicality of use.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that: specifically, the fixing component 9 includes a fixing seat 91, a pull rod 92, a fixing block 93, a fixing spring 94, a stabilizing slider 95 and a stabilizing slider 96, wherein a fixing seat 91 is provided on one side of the middle tube 5, a pull rod 92 is provided inside the fixing seat 91, a fixing block 93 is provided at one end of the pull rod 92, a fixing spring 94 is provided above the pull rod 92, a stabilizing slider 95 is provided below the pull rod 92, and a stabilizing slider 96 is slidably connected in the middle of the stabilizing slider 95.

[0032] By adopting the above technical solution, the pull rod 92 is pulled, and the pull rod 92 drives the fixing block 93 to move and compress the fixing spring 94, and then the vehicle seat 10 is installed. Thereafter, the pull rod 92 is released, and the fixing spring 94 is reset, driving the fixing block 93 to be inserted into the corresponding fixing hole to fix the vehicle seat 10, so that when the device is in use, it is convenient to install and adjust the height of the vehicle seat 10, thereby improving the practicality of use.

[0033] Specifically, a positioning rod is provided on one side of one end of the vehicle seat 10 , and a positioning groove matching the positioning rod is provided inside the middle tube 5 .

[0034] By adopting the above technical solution, the positioning rod and the positioning groove cooperate with each other, so as to facilitate the positioning of the vehicle seat 10.

[0035] When the present embodiment is in use: pull the pull rod 92, the pull rod 92 drives the fixing block 93 to move and compress the fixing spring 94, and then install the vehicle seat 10, then release the pull rod 92, the fixing spring 94 is reset, and drives the fixing block 93 to be inserted into the corresponding fixing hole to fix the vehicle seat 10. When the height of the vehicle seat 10 needs to be adjusted, the above operation can be repeated, so that the device is convenient for installing and adjusting the height of the vehicle seat 10 when in use, thereby improving the practicality of use.

[0036] The structure and use principle of the front beam assembly 2, folder 3, rear beam assembly 4 and tail fork 6 in the utility model have been disclosed in a reinforced frame of a folding electric bicycle disclosed in Chinese patent application No. 202922087783.2. Its working principle is that the front beam assembly 2 and the rear beam assembly 4 at both ends of the folder 3 both adopt a double-tube structure to improve the overall strength, and a first reinforcement block is provided at the welding point between the folder 3 and the rear beam assembly 4, and the first upper beam, the first lower beam and the folder 3 are connected by the first reinforcement block and fully welded, thereby improving the strength of the welding point. Similarly, a second reinforcement block is provided at the welding point between the front beam assembly 2 and the folder 3 to improve the welding strength. In addition, an arc-shaped reinforcing tube is welded at the bottom of the first lower beam to support the end of the first lower beam close to the folder 3, further improving the connection strength between the folder 3 and the rear beam assembly 4. The tail fork 6 adopts a double tail unit design with upper and lower intervals, which improves the tail support strength. The first tail tube has an arched appearance and good force-bearing performance. A first reinforcing plate is welded between the two first tail tubes with upper and lower intervals, and a reinforcing tube is welded between the two tail forks 6 with left and right intervals, which further improves the strength of the tail fork 6.

[0037] Working principle and use process of the utility model: In the utility model, the front beam assembly 2 and the rear beam assembly 4 both adopt a double-tube structure, and the overall strength is high. At the same time, the tail fork 6 adopts a double-tail unit design arranged at intervals up and down, which improves the tail support strength, and the first tail tube has an arched appearance and good force-bearing performance. A first reinforcing plate is welded between the two first tail tubes arranged at intervals up and down, and a reinforcing tube is welded between the two tail forks 6 arranged at intervals on the left and right, which further improves the strength of the tail fork 6. When in use, the battery is placed in the battery mounting seat 7, and the battery is pressed and fixed by the clamping assembly 8. The seat 10 is installed, fixed and adjusted in height by the fixing assembly 9. When the clamping assembly 8 is in use, the clamping seat 82 is connected to the battery mounting seat 7, and then the clamping seat 82 is moved downward. Under the action of the guide slide, the clamping rod 83 and the battery mounting seat 7 are abutted, which will cause the clamping rod 83 to drive the clamping slider 84 to move and compress the clamping spring 85. When moving to the clamping rod 83 and When the clamping holes overlap, the clamping spring 85 drives the clamping rod 83 to insert into the clamping hole to fix the clamping seat 82, so that the clamping seat 81 can clamp and fix the battery. When the clamping seat 81 and the battery abut, it will drive the fastening plate 811 to move in the clamping seat 81 to compress the fastening spring 812, so that the fastening spring 812 completes the compression device, which has a good effect on the battery compression. When the device is in use, it is convenient to compress and fix the battery in the battery mounting seat 7, thereby improving the practicality of use. When the fixing assembly 9 is in use, the pull rod 92 is pulled, and the pull rod 92 drives the fixing block 93 to move and compress the fixing spring 94, and then the vehicle seat 10 is installed. After that, the pull rod 92 is released, the fixing spring 94 is reset, and the fixing block 93 is driven to insert into the corresponding fixing hole to fix the vehicle seat 10. When the height of the vehicle seat 10 needs to be adjusted, the above operation can be repeated, so that when the device is in use, it is convenient to install and adjust the height of the vehicle seat 10, thereby improving the practicality of use.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforced electric bicycle frame, comprising a front tube, characterized in that: A front beam assembly is provided at one end of the front tube, a folder is provided at one end of the front beam assembly, a rear beam assembly is provided at one end of the folder, a middle tube is provided at one end of the rear beam assembly, a tail fork is provided at one end of the middle tube, a battery mounting seat is provided inside the tail fork, a clamping assembly is provided above the battery mounting seat, a seat is provided above the middle tube, and a fixing assembly is provided at the connection between the middle tube and the seat; the clamping assembly includes a clamping seat, a clamping seat, a clamping rod, a clamping slider, a clamping spring, and a push rod, wherein a clamping seat is provided inside the battery mounting seat, and the clamping seat A clamping seat is provided at one end of the middle tube, a clamping rod is provided inside the clamping seat, a clamping slide is provided below the clamping rod, a clamping spring is provided on one side of the clamping slide, and a push rod is provided above the clamping rod; the fixing assembly includes a fixing seat, a pull rod, a fixing block, a fixing spring, a stabilizing slide and a stabilizing slide rod, wherein a fixing seat is provided at one side of the middle tube, a pull rod is provided inside the fixing seat, a fixing block is provided at one end of the pull rod, a fixing spring is provided above the pull rod, a stabilizing slide rod is provided below the pull rod, and a stabilizing slide rod is slidably connected in the middle of the stabilizing slide rod.

2. A reinforced electric bicycle frame according to claim 1, characterized in that: A fastening plate is arranged below the pressing seat, a fastening spring is arranged at the connection between the fastening plate and the pressing seat, a limiting slider is arranged on one side of the fastening plate, and the middle of the limiting slider is slidably connected to the limiting slide rod.

3. The reinforced electric bicycle frame according to claim 1, characterized in that: A limiting plug is arranged on one side of the push rod, and a supporting rod is arranged above the limiting plug.

4. The reinforced electric bicycle frame according to claim 1, characterized in that: A positioning rod is arranged on one side of one end of the vehicle seat, and a positioning groove matching the positioning rod is arranged inside the middle tube.

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