Adjustable backseat of electric bicycle

Abstract

The utility model discloses an adjustable backseat of an electric bicycle, which comprises a backseat main body arranged on a frame, an extension seat which is pulled backwards is arranged on the backseat main body, the extension seat comprises a plurality of limiting sleeves which are arranged at the bottom of the backseat main body and horizontally face backwards, and a polished rod which slides along the limiting sleeve is arranged in each limiting sleeve in a penetrating manner. A reinforcing rod is connected between the end parts of the inner ends of the polish rods, the end parts of the outer ends of the polish rods are connected through a connecting rod, a vertically upward backrest is arranged on the connecting rod, and a positioning mechanism for positioning the polish rods is arranged on the limiting sleeve; the backseat main body is provided with the extension seat which is pulled backwards, so that the overall size of the backseat is adjusted, the backseat is convenient for people with different body sizes to use, and the backseat has a better comfort level.

Description

Technical Field

[0001] The utility model relates to the technical field related to electric bicycles, in particular to an adjustable rear seat of an electric bicycle. Background Art

[0002] In today's society, electric bicycles have become increasingly popular. Whether it is going to work, school or other travel, riding an electric bicycle has brought great convenience to users. Moreover, electric bicycles are environmentally friendly and energy-saving, which is also very beneficial to the protection of the natural environment and is suitable for promotion.

[0003] Currently, the rear seats of electric bicycles are mostly fixed and cannot be adjusted, which makes it impossible for different passengers to adjust according to their own comfort. Utility Model Content

[0004] In order to solve the defects in the prior art, the utility model provides an adjustable rear seat for an electric bicycle.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses an adjustable rear seat for an electric bicycle, comprising a rear seat body arranged on a frame, and an extension seat which can be pulled backward is arranged on the rear seat body, and the extension seat comprises a plurality of horizontal limiting sleeves which are arranged on the bottom of the rear seat body and face backward, and a light rod which slides along the limiting sleeve is inserted into each limiting sleeve, and a reinforcing rod is connected between the inner ends of the light rods, and the outer ends of the light rods are connected via a connecting rod, and a vertical upward backrest is arranged on the connecting rod, and a positioning mechanism for positioning the light rod is provided on the limiting sleeve.

[0007] As a preferred technical solution of the utility model, the positioning mechanism includes a groove which is arranged on one of the light rods and is recessed inward along the length direction of the light rod, and a spur rack is arranged in the groove, and a limit tube is installed on the limit sleeve, and a mounting threaded tube is provided at the end of the limit tube, and a manual screw is installed in the threaded tube, and a sliding block which slides along the limit tube is installed at the inner end of the manual screw rod via a bearing, and the sliding block is provided with engaging teeth which engage with the teeth on the spur rack.

[0008] As a preferred technical solution of the utility model, a main seat cushion is arranged on the rear seat body, and a flip cushion flipped onto the extension seat is hingedly connected to the tail of the main seat cushion.

[0009] As a preferred technical solution of the utility model, the front end of the main seat cushion is provided with a front cushion protruding upward, and the flip cushion forms a cushion body with the same specifications as the main seat cushion together with the front cushion after being folded.

[0010] As a preferred technical solution of the utility model, a rotating handle is provided at the end of the manual screw rod.

[0011] As a preferred technical solution of the utility model, the reinforcing rod is provided with a fitting block fitted with the bottom of the rear seat body.

[0012] The beneficial effects of the utility model are:

[0013] The adjustable rear seat of the electric bicycle is provided with an extension seat that can be pulled out backwards on the rear seat body, so that the overall size of the rear seat can be adjusted, making it convenient for people of different body sizes to use it. A main seat cushion is provided on the rear seat body, and a flip cushion that is hinged at the rear end of the main seat cushion is hinged to be flipped onto the extension seat. A front pad that protrudes upward is provided at the front end of the main seat cushion, and the flip pad forms a pad body with the same specifications as the main seat cushion together with the front pad after folding, thereby ensuring a good overall comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a structural schematic diagram of an adjustable rear seat for an electric bicycle of the utility model;

[0016] Figure 2 It is a structural schematic diagram of an extended seat of an adjustable rear seat of an electric bicycle according to the utility model;

[0017] Figure 3 It is a structural schematic diagram of a positioning mechanism for an adjustable rear seat of an electric bicycle according to Embodiment 3 of the utility model.

[0018] In the figure: 1. frame; 2. rear seat body; 3. extension seat; 4. limit sleeve; 5. bare rod; 6. reinforcement rod; 7. connecting rod; 8. backrest; 9. groove; 10. straight rack; 11. limit tube; 12. threaded tube; 13. manual screw; 14. sliding block; 15. bite teeth; 16. main seat cushion; 17. flip cushion; 18. front cushion; 19. rotating handle; 20. fitting block. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1 , Figure 2 and Figure 3As shown, the utility model is an adjustable rear seat for an electric bicycle, comprising a rear seat body 2 arranged on a frame 1, and an extension seat 3 that can be pulled backward is provided on the rear seat body 2, and the extension seat 3 comprises a plurality of horizontally rearward-facing limiting sleeves 4 arranged at the bottom of the rear seat body 2, and a light rod 5 that slides along the limiting sleeve 4 is inserted in each limiting sleeve 4, and a reinforcing rod 6 is connected between the inner ends of the light rod 5, and the outer ends of the light rod 5 are connected via a connecting rod 7, and a vertically upward backrest 8 is provided on the connecting rod 7, and a positioning mechanism for positioning the light rod 5 is provided on the limiting sleeve 4. The rear seat body is provided with an extension seat that can be pulled backward, so that the overall size of the rear seat can be adjusted, so that it is convenient for people of different body sizes to use.

[0021] Among them, the positioning mechanism includes a groove 9 which is arranged on one of the light rods 5 and is recessed inward along the length direction of the light rod 5, and a spur rack 10 is arranged in the groove 9, and a limiting tube 11 is installed on the limiting sleeve 4, and a threaded tube 12 is installed at the end of the limiting tube 11, and a manual screw 13 is installed in the threaded tube 12, and a sliding block 14 that slides along the limiting tube 11 is installed on the inner end of the manual screw 13 through a bearing, and the sliding block 14 is provided with an engaging tooth 15 that engages with the teeth on the spur rack 10, and the engaging tooth 15 is used to engage with the teeth on the spur rack 10, so it is not easy to deviate, and it has the characteristics of good positioning effect.

[0022] The rear seat body 2 is provided with a main seat cushion 16 , and the rear portion of the main seat cushion 16 is hingedly connected to a flip cushion 17 that is flipped onto the extension seat 3 .

[0023] The front end of the main seat cushion 16 is provided with a front cushion 18 protruding upward, and the flip cushion 17 forms a cushion body with the same specifications as the main seat cushion 16 with the front cushion 18 after folding, so as to ensure a good overall comfort.

[0024] Wherein, a rotating handle 19 is provided at the end of the manual screw rod 13 to facilitate manual adjustment.

[0025] The reinforcing rod 6 is provided with a fitting block 20 fitted with the bottom of the rear seat body 2 .

[0026] When working, this kind of electric bicycle adjustable rear seat is provided with an extension seat 3 that can be pulled out backward on the rear seat body 2, so that the overall size of the rear seat can be adjusted, so that it is convenient for people of different body sizes to use it. A main seat cushion 16 is provided on the rear seat body 2, and the tail part of the main seat cushion 16 is hinged to have a flip pad 17 that is flipped onto the extension seat 3. The front end of the main seat cushion 16 is provided with an upwardly protruding front pad 18, and the flip pad 17 forms a pad body with the same specifications as the main seat cushion 16 after folding, ensuring that the overall comfort is good.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable rear seat for an electric bicycle, characterized in that: The invention comprises a rear seat body (2) arranged on a frame (1), and an extension seat (3) which can be pulled out backward is arranged on the rear seat body (2), and the extension seat (3) comprises a plurality of horizontal limit sleeves (4) arranged at the bottom of the rear seat body (2) and facing backward, and a light rod (5) which slides along the limit sleeve (4) is inserted into each limit sleeve (4), and a reinforcing rod (6) is connected between the inner ends of the light rod (5), and the outer ends of the light rod (5) are connected via a connecting rod (7), and a backrest (8) which is vertically upward is arranged on the connecting rod (7), and a positioning mechanism for positioning the light rod (5) is provided on the limit sleeve (4).

2. The adjustable rear seat of an electric bicycle according to claim 1, characterized in that: The positioning mechanism comprises a groove (9) which is provided on one of the light rods (5) and is recessed inwardly along the length direction of the light rod (5), and a spur rack (10) is provided in the groove (9), and a limit tube (11) is installed on the limit sleeve (4), and a mounting threaded tube (12) is provided at the end of the limit tube (11), and a manual screw rod (13) is installed in the threaded tube (12), and a sliding block (14) which slides along the limit tube (11) is installed at the inner end of the manual screw rod (13) via a bearing, and the sliding block (14) is provided with engaging teeth (15) which engage with teeth on the spur rack (10).

3. The adjustable rear seat of an electric bicycle according to claim 1, characterized in that: A main seat cushion (16) is provided on the rear seat body (2), and a flip cushion (17) is hingedly connected at the rear end of the main seat cushion (16) to flip onto the extension seat (3).

4. The adjustable rear seat of an electric bicycle according to claim 3, characterized in that: The front end of the main seat cushion (16) is provided with a front cushion (18) protruding upward, and the flip cushion (17) forms a cushion body with the same specifications as the main seat cushion (16) after being folded.

5. The adjustable rear seat of an electric bicycle according to claim 2, characterized in that: A rotating handle (19) is provided at the end of the manual screw rod (13).

6. The adjustable rear seat of an electric bicycle according to claim 1, characterized in that: The reinforcing rod (6) is provided with a fitting block (20) fitted with the bottom of the rear seat body (2).

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