CN219295608U

CN219295608U - Reinforced electric bicycle frame

Info

Publication number: CN219295608U
Application number: CN202223286281.0U
Authority: CN
Inventors: 李汉卿; 母学文; 姚涵
Original assignee: Tecnikon Automotive Design Consulting Shanghai Co ltd
Current assignee: Tecnikon Automotive Design Consulting Shanghai Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-04
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of electric bicycles, in particular to a reinforced electric bicycle frame which comprises a main frame, a head pipe and a saddle pipe, wherein the head pipe is connected to the left upper end of the main frame in a sliding manner, the saddle pipe is connected to the right upper end of the main frame in a sliding manner, a rotating pipe is arranged on the inner side of the main frame, a first screw rod is spirally connected to the inner upper end of the rotating pipe, a rotating block is fixedly connected to the upper end of the first screw rod, and a second screw rod is fixedly connected to the upper end of the rotating block.

Description

Reinforced electric bicycle frame

Technical Field

The utility model relates to the technical field of electric bicycles, in particular to a reinforced electric bicycle frame.

Background

Along with the development of society, the application of electric bicycles is more and more extensive, electric bicycles refer to vehicles which are provided with operating components such as motors, controllers, storage batteries, handle bars and the like and display instrument systems on the basis of common bicycles by taking storage batteries as auxiliary energy sources, and the electric bicycle frames have bearing capacity but have a certain bearing range.

In the prior art, a frame is usually welded and connected by adopting a rod piece with a fixed shape when in use, but the frame is easy to break and appear under the condition that the bending part is not supported by external force, and is extremely easy to damage under the condition of high external force jolt, so that the service life of the frame is reduced; and the frame nodes are usually connected in a welding mode, but the welding points are small in area and easy to rust or break under stress after long-time use, so that the connectivity of the nodes is reduced.

Disclosure of Invention

The utility model aims to provide a reinforced electric bicycle frame, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a strenghthened type electric bicycle frame, includes body frame, headstock pipe and saddle pipe, the left side upper end sliding connection of body frame has the headstock pipe, the right side upper end sliding connection of body frame has the saddle pipe, the inboard of body frame is equipped with the rotation pipe, the inboard upper end screwed connection of rotation pipe has first screw rod, the upper end fixedly connected with dwang of first screw rod, the upper end fixedly connected with second screw rod of dwang, the equal sliding connection of inboard of headstock pipe and saddle pipe has the slider, the lower extreme fixedly connected with inserted bar of slider, sliding connection between inserted bar and the body frame.

Preferably, a fixed rod is fixedly connected to the inner side of the lower side rod of the main frame, a pressure-bearing movable block is slidably connected to the middle position of the fixed rod, the pressure-bearing movable block is slidably connected with the main frame, the pressure-bearing movable block is rotatably connected with the rotating pipe, and damping springs are coated on the surfaces of the two sides of the fixed rod.

Preferably, the outside of headstock pipe and saddle pipe all fixedly connected with screw thread board, the outside screwed connection of screw thread board has the transmission thread bush, the inboard sliding connection of transmission thread bush has the transmission draw-in lever, fixed connection between transmission draw-in lever and the slider.

Preferably, a limit groove is formed in the inner side of the transmission thread sleeve, and the position of the limit groove corresponds to that of the transmission clamping rod.

Preferably, the front side wall and the rear side wall of the headstock tube and the saddle tube are respectively provided with a sliding groove, and the width of each sliding groove corresponds to the diameter of the transmission clamping rod.

Preferably, the upper end of the saddle tube is fixedly connected with a seat plate.

Preferably, the number of the first screw rods and the number of the second screw rods are two, the second screw rods positioned on the left side are in spiral connection with the headstock tube, and the second screw rods positioned on the right side are in spiral connection with the headstock tube.

Preferably, the front side wall and the rear side wall of the headstock pipe and the saddle pipe are respectively provided with a jack, and the position of each jack corresponds to the position of the end of the main frame.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged first screw, the second screw and the pressure-bearing movable block, the position of the second screw can be adjusted by utilizing the rotation action of the first screw, and the second screw can be simultaneously rotated when the first screw rotates, so that the second screws at the left side and the right side can be respectively in spiral connection with the lower ends of the headstock pipe and the saddle pipe, the integral strength of the frame can be enhanced by the action of the rotating pipe, the first screw and the second screw, the frame can slide left and right under the action of external force by the activity of the pressure-bearing movable block, and the damping spring can buffer the external force, so that the integral bearing capacity of the frame is improved;

2. according to the utility model, through the inserted link, the transmission thread sleeve and the transmission clamping rod, the transmission thread sleeve can move up and down when rotating by utilizing the spiral connection effect on the transmission thread sleeve and the thread plate, so that the transmission clamping rod can drive the sliding block to move up and down, the inserted link can be inserted into the inner side of the upper end of the main frame or removed from the main frame, the electric bicycle frame can be assembled under the non-welding condition, the frame is prevented from being damaged due to the breakage of the welding point, and the connection strength of the frame joint is improved.

Drawings

FIG. 1 is a schematic view of the overall mounting structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of FIG. 1 at A in accordance with the present utility model;

FIG. 3 is a cross-sectional view of the mounting structure of the main frame, headstock and driving screw sleeve of the present utility model;

fig. 4 is a plan view in cross section of the mounting structure of the headstock and the driving screw sleeve of the present utility model.

In the figure: 1. a main frame; 2. a head tube; 3. a seat tube; 4. a rotary tube; 5. a first screw; 6. a rotating block; 7. a second screw; 8. a slide block; 9. a rod; 10. a fixed rod; 11. a pressure-bearing movable block; 12. a damping spring; 13. a thread plate; 14. a transmission thread sleeve; 15. a transmission clamping rod; 16. a limit groove; 17. and a seat board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1 referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a strenghthened type electric bicycle frame, including body frame 1, headstock pipe 2 and saddle pipe 3, the left side upper end sliding connection of body frame 1 has headstock pipe 2, the right side upper end sliding connection of body frame 1 has saddle pipe 3, the inboard of body frame 1 is equipped with rotation pipe 4, the inboard upper end screwed connection of rotation pipe 4 has first screw rod 5, the upper end fixedly connected with rotary block 6 of first screw rod 5, the upper end fixedly connected with second screw rod 7 of rotary block 6, the inboard fixedly connected with dead lever 10 of the downside pole of body frame 1, intermediate position department sliding connection of dead lever 10 has pressure-bearing movable block 11, sliding connection between pressure-bearing movable block 11 and the body frame 1, rotate between pressure-bearing movable block 11 and the rotation pipe 4, the both sides surface of dead lever 10 is covered outward and is had damping spring 12, the upper end fixedly connected with bedplate 17 of saddle pipe 3, the quantity of first screw rod 5 and second screw rod 7 all is equipped with two, screw connection between second screw rod 7 and the headstock pipe 2 that is located the right side, screw rod 7 and pipe 3 between screwed connection, electric connection has second screw rod 7 and saddle pipe 3, can make the whole force through the second screw rod 5 and saddle pipe 3 can be adjusted through the effect of first screw rod 5, and the whole motion force can be carried out at the side of rotation of the second screw rod 5 and the saddle pipe 5, and the whole motion can be adjusted the frame through the second screw rod 5, and the effect can be adjusted the whole force through the second screw rod 5, and the whole frame can be rotated through the second screw rod 5.

Example 2: referring to fig. 1, 3 and 4, the difference between the present embodiment and embodiment 1 is that: the inboard of headstock pipe 2 and saddle pipe 3 all sliding connection has slider 8, sliding connection between the lower extreme fixedly connected with inserted bar 9 of slider 8, sliding connection between inserted bar 9 and the body frame 1, the equal fixedly connected with screw thread board 13 in the outside of headstock pipe 2 and saddle pipe 3, screw thread board 13's outside screwed connection has transmission thread bush 14, transmission thread bush 14's inboard sliding connection has transmission clamping bar 15, fixed connection between transmission clamping bar 15 and the slider 8, spacing groove 16 has been seted up to transmission thread bush 14's inboard, spacing groove 16's position size corresponds with transmission clamping bar 15's position size, the spout has all been seted up to headstock pipe 2 and saddle pipe 3's front and back lateral wall, the width of spout corresponds with transmission clamping bar 15's diameter, the jack has all been seted up to headstock pipe 2 and saddle pipe 3's front and back lateral wall, the position size of jack corresponds with body frame 1's end position size, when the node connection of frame, through the screw connection effect to transmission thread bush 14 and screw thread board 13 makes transmission thread bush 14 can reciprocate when rotating, thereby make transmission clamping bar 15 drive slider 8 and reciprocate, can drive down the electric bicycle frame 9 and insert the welding point and can prevent the inside the frame from further from the welding down, and the inside joint 1 can be broken, and the frame can be further welded and the inside the frame is broken.

The working flow is as follows: the device does not adopt any power to supply power when using, when using electric bicycle frame, can make the position of second screw rod 7 adjustable through the rotation effect of first screw rod 5, and can make second screw rod 7 rotate simultaneously when first screw rod 5 rotates, and then can be with the second screw rod 7 of left and right sides respectively with headstock pipe 2 and saddle pipe 3 lower extreme screwed connection, and then can strengthen frame bulk strength through the effect of revolving tube 4, first screw rod 5 and second screw rod 7, and can make the frame can slide about receiving the external force action through the activity of pressure-bearing movable block 11, and then make damping spring 12 cushion the external force that receives, in order to promote the bulk bearing capacity of frame, and when the node connection of frame, through the screwed connection effect to transmission thread bush 14 and screw plate 13 make transmission thread bush 14 can reciprocate when rotating, thereby make transmission clamping rod 15 can drive slider 8 reciprocate, and then can make inserted bar 9 insert the upper end inboard of body frame 1, or follow body frame 1 in, and then can be removed from body frame 1, and the welding point can be broken and the welding of frame is avoided to the welding the condition of frame, and the welding point is broken and the frame is broken.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a strenghthened type electric bicycle frame, includes body frame (1), headstock pipe (2) and saddle pipe (3), its characterized in that: left side upper end sliding connection headstock pipe (2) of body frame (1), right side upper end sliding connection of body frame (1) has saddle pipe (3), the inboard of body frame (1) is equipped with rotation pipe (4), the inboard upper end screwed connection of rotation pipe (4) has first screw rod (5), the upper end fixedly connected with rotor block (6) of first screw rod (5), the upper end fixedly connected with second screw rod (7) of rotor block (6), the inboard of headstock pipe (2) and saddle pipe (3) all sliding connection has slider (8), the lower extreme fixedly connected with inserted bar (9) of slider (8), sliding connection between inserted bar (9) and body frame (1).

2. A reinforced electric bicycle frame as claimed in claim 1, wherein: the novel hydraulic damping device is characterized in that a fixed rod (10) is fixedly connected to the inner side of the lower side rod of the main frame (1), a pressure-bearing movable block (11) is slidably connected to the middle position of the fixed rod (10), the pressure-bearing movable block (11) is slidably connected with the main frame (1), the pressure-bearing movable block (11) is rotatably connected with the rotating pipe (4), and damping springs (12) are coated on the surfaces of the two sides of the fixed rod (10).

3. A reinforced electric bicycle frame as claimed in claim 1, wherein: the bicycle is characterized in that thread plates (13) are fixedly connected to the outer sides of the bicycle head tube (2) and the bicycle seat tube (3), transmission thread sleeves (14) are spirally connected to the outer sides of the thread plates (13), transmission clamping rods (15) are slidably connected to the inner sides of the transmission thread sleeves (14), and the transmission clamping rods (15) are fixedly connected with the sliding blocks (8).

4. A reinforced electric bicycle frame as claimed in claim 3, wherein: and a limit groove (16) is formed in the inner side of the transmission thread sleeve (14), and the position of the limit groove (16) corresponds to the position of the transmission clamping rod (15).

5. A reinforced electric bicycle frame as claimed in claim 3, wherein: the front side wall and the rear side wall of the headstock tube (2) and the saddle tube (3) are respectively provided with a sliding groove, and the width of each sliding groove corresponds to the diameter of the transmission clamping rod (15).

6. A reinforced electric bicycle frame as claimed in claim 1, wherein: the upper end of the saddle tube (3) is fixedly connected with a seat board (17).

7. A reinforced electric bicycle frame as claimed in claim 1, wherein: the number of the first screw rods (5) and the number of the second screw rods (7) are two, the second screw rods (7) located on the left side are in spiral connection with the headstock tube (2), and the second screw rods (7) located on the right side are in spiral connection with the saddle tube (3).

8. A reinforced electric bicycle frame as claimed in claim 1, wherein: the front side wall and the rear side wall of the headstock tube (2) and the saddle tube (3) are respectively provided with a jack, and the position of each jack corresponds to the position of the end of the main frame (1).