Telescopic tricycle frame and electric tricycle

Abstract

The utility model discloses a telescopic tricycle frame and an electro-tricycle, and relates to the technical field of electro-tricycles, the telescopic tricycle frame and the electro-tricycle are included, the telescopic tricycle frame comprises a front-end support and a rear-end support, and the front-end support is connected with the rear-end support; the telescopic tricycle frame comprises a tricycle head assembly, a seat assembly and a moving assembly, the seat assembly comprises a rear seat supporting piece and a folding seat, the rear seat supporting piece is fixedly installed on the special-shaped limiting frame, the folding seat is fixedly installed on the front end supporting piece, and the rear end supporting piece is fixedly installed on the folding seat. According to the foldable bicycle, one person can ride the bicycle, the foldable bicycle can also be used by two persons together, the structure is simple, operation is convenient, a rider can use the foldable bicycle conveniently, the production cost is low, and after riding is finished, the storage space is small.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tricycles, in particular to a telescopic tricycle frame and an electric tricycle. Background Art

[0002] As an environmentally friendly means of transportation, electric tricycles have been widely used in cities and rural areas in recent years. The background technology mainly includes battery technology, electric drive systems and intelligent control systems. Electric tricycles are usually equipped with high-capacity lithium batteries or lead-acid batteries to provide sufficient driving range and stable power support. The electric drive system replaces the traditional internal combustion engine with an electric motor to achieve smooth acceleration and efficient energy conversion. The intelligent control system manages the operating status of the motor through an electronic controller, optimizes energy efficiency, and provides functions such as speed control, braking system and battery monitoring. With technological advancements, the design of electric tricycles is increasingly focused on improving driving range, enhancing safety and improving the driving experience, in line with the needs of sustainable transportation.

[0003] In various current usage situations, when an electric tricycle is used by only one person, it will lead to a waste of space and inconvenience for the rider. Therefore, the utility model discloses a telescopic tricycle frame and an electric tricycle. Summary of the Invention

[0004] In response to the above technical problems, the utility model discloses a telescopic three-wheeled frame, comprising a front-end bracket and a rear-end bracket, the front-end bracket being connected to the rear-end bracket, the rear-end bracket being provided with a snap assembly for limiting the movement of the front-end bracket, the snap assembly being connected to the front-end bracket, the front-end bracket comprising a connecting square steel 1, two symmetrically distributed slide rails being fixedly mounted on the connecting square steel 1, the slide rails being provided with a sliding groove, a special-shaped connecting rod being fixedly mounted on the connecting square steel 1, the rear-end bracket comprising a connecting square steel 2, a rear bumper being fixedly mounted on the rear-end surface of the connecting square steel 2, two symmetrically distributed sliding blocks being fixedly mounted on the front-end surface of the connecting square steel 2, a plurality of evenly distributed sliding bearings being mounted on the sliding blocks, and the sliding bearings being used in conjunction with the sliding grooves on the slide rails.

[0005] Furthermore, the front end bracket also includes two supporting arc parts 1 and two supporting arc parts 2, the two supporting arc parts 1 are symmetrically distributed, the first end of the supporting arc part 1 is connected to the connecting square steel 1, and the second end of the supporting arc part 1 is connected to the slide rail, the two supporting arc parts 2 are symmetrically distributed, and the supporting arc part 2 is fixedly installed on the slide rail.

[0006] Furthermore, the front end bracket also includes an upper end support connection frame, a support reinforcement rod 1 and a support reinforcement rod 2, the upper end support connection frame is connected to the two slide rails, the support reinforcement rod 1 is fixedly connected to the two slide rails, and the support reinforcement rod 2 is fixedly connected to the two slide rails.

[0007] Furthermore, the rear end bracket also includes a special-shaped limiting frame and two support reinforcement rods three, and two symmetrically distributed connecting blocks are fixedly installed near the first end of the special-shaped limiting frame, and the connecting blocks are connected to the sliding blocks. The two support reinforcement rods three are symmetrically distributed, and the support reinforcement rods three are connected to the two sliding blocks.

[0008] Furthermore, the snap assembly includes a cylindrical sleeve, which is fixedly mounted on a slide rail. A cylindrical pin is slidably mounted in the cylindrical sleeve. A spring is provided between the cylindrical pin and the cylindrical sleeve. The first end of the spring is connected to the cylindrical pin, and the second end of the spring is connected to the cylindrical sleeve.

[0009] An electric tricycle uses the above-mentioned telescopic tricycle frame, including a head assembly, a seat assembly and a moving assembly. The seat assembly includes a rear seat support and a folding seat. The rear seat support is fixedly mounted on a special-shaped limiting frame, a backrest is fixedly mounted on the rear seat support, and the folding seat is fixedly mounted on an upper end support connecting frame.

[0010] Furthermore, the front assembly includes a connecting shell, which is fixedly connected to the special-shaped connecting rod, a lighting lamp is provided on the connecting shell, a control handle is fixedly installed on the upper end surface of the connecting shell, a control switch is provided on the control handle, the control switch is connected to the cylindrical pin by a pull wire, a placement frame is provided under the lighting lamp, the placement frame is connected to the connecting shell, and a mounting rack is fixedly installed on the lower end surface of the connecting shell.

[0011] Furthermore, the moving assembly includes a front wheel and a rear wheel drive unit, the front wheel is connected to the mounting frame, the rear wheel drive unit is connected to two sliding blocks, and the rear wheel drive unit is electrically connected to the control handle.

[0012] Compared with the prior art, the present invention has the following advantages: the present invention can be ridden by one person or by two people, has a simple structure, is easy to operate, is convenient for riders to use, has a low production cost, and requires little storage space after riding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present utility model.

[0014] Figure 2 This is a schematic diagram of the front end bracket structure in the first embodiment of the present utility model. Figure 1 .

[0015] Figure 3 This is a schematic diagram of the front end bracket structure in the first embodiment of the present utility model. Figure 2 .

[0016] Figure 4 This is a schematic diagram of the rear end bracket structure in Example 1 of the present utility model.

[0017] Figure 5 This is a schematic diagram of the overall structure of Example 2 of the present utility model.

[0018] Figure numbers: 1-front end bracket; 2-rear end bracket; 3-control handle; 4-placement frame; 5-connecting shell; 6-front wheel; 7-rear wheel drive unit; 8-folding seat; 9-backrest; 10-rear seat support; 101-slide rail; 102-upper end support connecting frame; 103-support arc member 1; 104-support arc member 2; 105-connecting square steel 1; 106-special-shaped connecting rod; 107-support reinforcement rod 1; 108-support reinforcement rod 2; 201-special-shaped limiting frame; 202-sliding block; 203-rear bumper; 204-connecting square steel 2; 205-support reinforcement rod 3; 206-sliding bearing; 207-connecting block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example 1:

[0021] like Figures 1-4 As shown, a telescopic three-wheeled frame includes a front end bracket 1 and a rear end bracket 2, the front end bracket 1 is connected to the rear end bracket 2, and a snap assembly for limiting the movement of the front end bracket 1 is provided on the rear end bracket 2, and the snap assembly is connected to the front end bracket 1, the front end bracket 1 includes a connecting square steel 105, two symmetrically distributed slide rails 101 are fixedly installed on the connecting square steel 105, and the slide rails 101 are provided with sliding grooves, and a special-shaped connecting rod 106 is fixedly installed on the connecting square steel 105, and the rear end bracket 2 includes a connecting square steel 204, a rear bumper 203 is fixedly installed on the rear end surface of the connecting square steel 204, and two symmetrically distributed sliding blocks 202 are fixedly installed on the front end surface of the connecting square steel 204, and a plurality of evenly distributed sliding bearings 206 are installed on the sliding blocks 202, and the sliding bearings 206 are used in conjunction with the sliding grooves on the slide rails 101.

[0022] The front end bracket 1 also includes two supporting arc members 103 and two supporting arc members 2 104. The two supporting arc members 103 are symmetrically distributed. The first end of the supporting arc member 103 is connected to the connecting square steel 105, and the second end of the supporting arc member 103 is connected to the slide rail 101. The two supporting arc members 2 104 are symmetrically distributed. The supporting arc member 2 104 is fixedly installed on the slide rail 101. The front end bracket 1 also includes an upper end supporting connection frame 102, a supporting reinforcement rod 107 and a supporting reinforcement rod 2 108. The upper end supporting connection frame 102 is connected to the two slide rails 101, the supporting reinforcement rod 107 is fixedly connected to the two slide rails 101, and the supporting reinforcement rod 2 108 is fixedly connected to the two slide rails 101.

[0023] The rear end bracket 2 also includes a special-shaped limiting frame 201 and two supporting reinforcement rods 3 205. Two symmetrically distributed connecting blocks 207 are fixedly installed near the first end of the special-shaped limiting frame 201. The connecting block 207 is connected to the sliding block 202. The two supporting reinforcement rods 3 205 are symmetrically distributed, and the supporting reinforcement rods 3 205 are connected to the two sliding blocks 202.

[0024] The snap assembly includes a cylindrical sleeve, which is fixedly mounted on a slide rail 101. A cylindrical pin is slidably mounted in the cylindrical sleeve. A spring is provided between the cylindrical pin and the cylindrical sleeve. The first end of the spring is connected to the cylindrical pin, and the second end of the spring is connected to the cylindrical sleeve.

[0025] Working principle: First, pull out the cylindrical pin to make it slide in the cylindrical sleeve. The sliding pin stretches the spring and then pushes the special-shaped connecting rod 106. The special-shaped connecting rod 106 drives the two slide rails 101 to move by connecting the square steel 105. The two slide rails 101 slide on the sliding block 202 through multiple sliding bearings 206 respectively. After the sliding is completed, release the cylindrical pin, and the cylindrical pin is reset by the spring and is in close contact with the sliding block 202.

[0026] Example 2:

[0027] like Figure 5 As shown, an electric tricycle uses the telescopic tricycle frame of Example 1, including a front assembly, a seat assembly and a moving assembly. The seat assembly includes a rear seat support 10 and a folding seat 8. The rear seat support 10 is fixedly mounted on the special-shaped limiting frame 201, and a backrest 9 is fixedly mounted on the rear seat support 10. The folding seat 8 is fixedly mounted on the upper end support connecting frame 102.

[0028] The front assembly includes a connecting shell 5, which is fixedly connected to the special-shaped connecting rod 106. A lighting lamp is provided on the connecting shell 5. A control handle 3 is fixedly installed on the upper end surface of the connecting shell 5. A control switch is provided on the control handle 3. The control switch is connected to the cylindrical pin by a pull wire. A placement frame 4 is provided under the lighting lamp. The placement frame 4 is connected to the connecting shell 5. A mounting rack is fixedly installed on the lower end surface of the connecting shell 5.

[0029] The mobile assembly includes a front wheel 6 and a rear wheel drive unit 7 . The front wheel 6 is connected to the mounting frame, the rear wheel drive unit 7 is connected to the two sliding blocks 202 , and the rear wheel drive unit 7 is electrically connected to the control handle 3 .

[0030] Working principle: When only one person is riding, the rider first folds up the folding seat 8, then presses the control switch, which drives the cylindrical pin to slide in the cylindrical sleeve through the pull wire, and the cylindrical pin stretches the spring. The rider applies force to the control handle 3, and the control handle 3 drives the special-shaped connecting rod 106 to move through the connecting shell 5. The special-shaped connecting rod 106 drives the two slide rails 101 to slide along the direction of the sliding block 202 through the connecting square steel 105. The two slide rails 101 jointly drive the upper end support connection frame 1 02 slides, at this time the upper support connecting frame 102 drives the folding seat 8 to slide into the rear seat support 10, and then the control switch is released, the cylindrical latch is reset by the elastic force of the spring, and the cylindrical latch is in close contact with the sliding block 202 to prevent the sliding block 202 from moving. When two people are needed to ride, the control switch drives the cylindrical latch to move through the pull wire, and then force is applied to the control handle 3 to make the folding seat 8 on the upper support connecting frame 102 slide out of the rear seat support 10, release the control switch, and then the rider unfolds the folding seat 8.

[0031] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A telescopic three-wheeled frame, characterized in that: The invention comprises a front end bracket (1) and a rear end bracket (2), wherein the front end bracket (1) is connected to the rear end bracket (2), and a buckle assembly for limiting the movement of the front end bracket (1) is provided on the rear end bracket (2), and the buckle assembly is connected to the front end bracket (1), and the front end bracket (1) comprises a connecting square steel (105), and two symmetrically distributed slide rails (101) are fixedly installed on the connecting square steel (105), and the slide rails (101) are provided in a sliding groove, and the connecting square steel (105) is fixed with two symmetrically distributed slide rails (101). 05) is fixedly mounted with a special-shaped connecting rod (106), the rear end bracket (2) includes a connecting square steel second (204), a rear bumper (203) is fixedly mounted on the rear end surface of the connecting square steel second (204), and two symmetrically distributed sliding blocks (202) are fixedly mounted on the front end surface of the connecting square steel second (204), and a plurality of evenly distributed sliding bearings (206) are mounted on the sliding blocks (202), and the sliding bearings (206) are used in conjunction with the sliding grooves on the slide rail (101).

2. A telescopic tricycle frame according to claim 1, characterized in that: The front end bracket (1) further includes two supporting arc-shaped members (103) and two supporting arc-shaped members (104), the two supporting arc-shaped members (103) are symmetrically distributed, the first end of the supporting arc-shaped member (103) is connected to the connecting square steel (105), the second end of the supporting arc-shaped member (103) is connected to the slide rail (101), the two supporting arc-shaped members (104) are symmetrically distributed, and the supporting arc-shaped member (104) is fixedly mounted on the slide rail (101).

3. A telescopic tricycle frame according to claim 2, characterized in that: The front end bracket (1) further comprises an upper end support connection frame (102), a support reinforcement rod 1 (107) and a support reinforcement rod 2 (108); the upper end support connection frame (102) is connected to the two slide rails (101); the support reinforcement rod 1 (107) is fixedly connected to the two slide rails (101); and the support reinforcement rod 2 (108) is fixedly connected to the two slide rails (101).

4. A telescopic tricycle frame according to claim 3, characterized in that: The rear end bracket (2) further comprises a special-shaped limiting frame (201) and two supporting reinforcing rods (205). Two symmetrically distributed connecting blocks (207) are fixedly installed near the first end of the special-shaped limiting frame (201). The connecting blocks (207) are connected to the sliding block (202). The two supporting reinforcing rods (205) are symmetrically distributed. The supporting reinforcing rods (205) are connected to the two sliding blocks (202).

5. The telescopic tricycle frame according to claim 4, characterized in that: The buckle assembly comprises a cylindrical sleeve, which is fixedly mounted on a slide rail (101), a cylindrical latch being slidably mounted in the cylindrical sleeve, a spring being arranged between the cylindrical latch and the cylindrical sleeve, a first end of the spring being connected to the cylindrical latch, and a second end of the spring being connected to the cylindrical sleeve.

6. An electric tricycle using the telescopic tricycle frame according to any one of the above claims, characterized in that: The invention comprises a vehicle head assembly, a seat assembly and a moving assembly, wherein the seat assembly comprises a rear seat support (10) and a folding seat (8), wherein the rear seat support (10) is fixedly mounted on a special-shaped limiting frame (201), a backrest (9) is fixedly mounted on the rear seat support (10), and the folding seat (8) is fixedly mounted on an upper end support connection frame (102).

7. An electric tricycle as claimed in claim 6, characterized in that: The vehicle head assembly comprises a connecting shell (5), the connecting shell (5) is fixedly connected to a special-shaped connecting rod (106), a lighting lamp is provided on the connecting shell (5), a control handle (3) is fixedly mounted on the upper end surface of the connecting shell (5), a control switch is provided on the control handle (3), the control switch is connected to the cylindrical latch via a pull wire, a placement frame (4) is provided below the lighting lamp, the placement frame (4) is connected to the connecting shell (5), and a mounting rack is fixedly mounted on the lower end surface of the connecting shell (5).

8. An electric tricycle as claimed in claim 7, characterized in that: The mobile assembly comprises a front wheel (6) and a rear wheel drive unit (7), wherein the front wheel (6) is connected to a mounting frame, the rear wheel drive unit (7) is connected to two sliding blocks (202), and the rear wheel drive unit (7) is electrically connected to a control handle (3).

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