CN110341842A - A single-double-seat conversion mechanism for a bicycle and the bicycle - Google Patents

Abstract

The invention relates to a single-double-seat conversion mechanism for a bicycle and a bicycle. The single-double-seat conversion mechanism includes a first carrier and a second carrier, and the second carrier is relative to the The first carrier rotates between a first position and a second position, and the second carrier is positioned at the first position by the positioning structure assembly. The single- and double-seat conversion mechanism for cycling bicycles of the present invention has low cost and high versatility, so that the seat can be easily converted between a single-seat form and a double-seat form, and the second carrier can be used as a backrest or as a Another seat that improves travel comfort, safety and convenience.

Description

A single-double-seat conversion mechanism for a bicycle and the bicycle

technical field

The invention relates to the technical field of bicycles, and more specifically, relates to a single-double-seat conversion mechanism for a bicycle and the bicycle.

Background technique

At present, the stock of two-wheeled electric vehicles in the domestic market is about 200 million vehicles, and the annual growth rate is about 30 million. However, when riding an electric vehicle, the seat comfort is not good, and the seat design is single and inflexible.

Contents of the invention

The object of the present invention is to provide a single and double seat conversion mechanism for a bicycle and a bicycle, which solves the problems of poor seat comfort, single design and poor flexibility of electric bicycles in the prior art.

The technical solution adopted by the present invention to solve the technical problem is: a single-double-seat conversion mechanism for bicycles, including a first carrier and a second carrier, and the second carrier is relative to the The first carrier rotates between a first position and a second position, and the second carrier is positioned at the first position by the positioning structure assembly.

In the single-seat conversion mechanism of the present invention, a third carrier is provided at one end of the first carrier, and the second carrier is stacked on the third carrier or the second carrier in the second position. on the first carrier.

In the single-double-seat conversion mechanism of the present invention, a support is provided on the third carrier or the first carrier, and the rotating structural component and the positioning structural component are provided between the support and the second carrier. between the carriers.

In the single and double seat conversion mechanism of the present invention, the rotating structural assembly includes a rotating shaft and at least one rotating shaft hole, and the rotating shaft is inserted into each of the rotating shaft holes; the rotating shaft hole is formed when the second carrier is located The first position is a bar-shaped shaft hole that can move relative to the shaft.

In the single-seat conversion mechanism of the present invention, the extending direction of the bar-shaped rotating shaft hole is along the longitudinal direction when the second carrier is at the first position.

In the single-double-seat conversion mechanism of the present invention, the rotating shaft is arranged on one of the bracket and the second carrier, and the rotating shaft hole is arranged on the other of the bracket and the second carrier and a fixed rod is arranged on the other of the bracket and the second carrier, and a tension spring is connected between the rotating shaft and the fixed rod.

In the single-seat conversion mechanism of the present invention, the positioning structure assembly includes at least one slot and a snap-in piece that can be snapped into each of the slots. When the rotating shaft hole is relatively moved, it is inserted into the card slot or disengaged from the card slot.

In the single-double-seat conversion mechanism of the present invention, the snap-in part is arranged on one of the bracket and the second carrier, and the card slot is arranged on the bracket and the second carrier. On the other one, and on the other one of the bracket and the second bearing frame, a guide portion for guiding the snap-in part when the second bearing frame rotates is formed.

In the single-seat and double-seat conversion mechanism of the present invention, the engaging member is a roller or a roller shaft.

The present invention also provides a bicycle, including the above-mentioned single-seat and double-seat conversion mechanism.

Implementing the single-double-seat conversion mechanism and the bicycle for cycling of the present invention has the following beneficial effects: the single-double-seat conversion mechanism for the bicycle of the present invention has low cost and high versatility, so that the seat can be placed in a single-seat It is easy to switch between the form and the double-seat form, and the second carrier can be used as a backrest or as another seat at the same time, improving the comfort, safety and convenience of travel.

Description of drawings

Fig. 1 is the structural schematic diagram of the second bearing frame of the single-double-seat conversion mechanism used for cycling bicycles in the first position state of the present invention;

Fig. 2 is a structural schematic diagram of the second carrier in the second position state of the single-double-seat conversion mechanism for bicycles according to the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the structure and function principle of the single-double-seat conversion mechanism that is used for bicycle of the present invention and bicycle are further described:

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " Vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The invention provides a bicycle, which includes a single-seat and double-seat conversion mechanism for the bicycle. Wherein, bicycles include but are not limited to electric vehicles, motorcycles, bicycles and the like.

As shown in Figures 1-2, the single-double-seat conversion mechanism includes a first carrier 1 and a second carrier 2, and the second carrier 2 is in a first position relative to the first carrier 1 by rotating the structural assembly (see Fig. 1) and rotate between the second position (see FIG. 2), the second carrier 2 is positioned on the first position (see FIG. 1) by the positioning structure assembly.

In this preferred embodiment, the second bearing frame 2 is used as the back seat of the bicycle, and when the second bearing frame 2 is in the first position (see FIG. 1 ), the second bearing frame 2 is in a shape relative to the first bearing frame 1 In the upright state vertically erected, the second bearing frame 2 can be used as the backrest of the bicycle at this time; when the second bearing frame 2 is in the second position (see Figure 2), it is basically placed horizontally along the horizontal extension In the recumbent state, the second carrying frame 2 can be used as the back seat of the bicycle at this moment. Wherein, the first carrying frame 1 can be the front seat used for the rider to sit in the cycling bicycle, and the second carrying frame 2 turns over from the upright shape to the direction away from the first carrying frame 1; the first carrying frame 1 can also be The cargo rack located at the rear end of the front seat, the second carrier frame 2 is turned from an upright shape towards the direction of the first carrier frame 1 and stacked on the first carrier frame 1 for carrying people, that is to say, when the second carrier frame 2 is erected As a backrest, the first carrying frame 1 is used as a loading frame at this moment, and the second carrying frame 2 is used as a people carrier when lying on its side.

Therefore, the second carrier 2 is a rear-end passenger carrier positioned at the rear end for carrying people, and the first carrier 1 may be a front-end passenger carrier positioned at the front end for carrying cyclists or a rear-end carrier frame for carrying goods. rear cargo rack.

A third carrier 3 is also provided at one end of the first carrier 1 . Wherein, if the first carrier 1 is a rear-end cargo carrier, the third carrier 3 can be a front-end passenger carrier, and at this moment, the second carrier 2 turns over from an upright shape toward the first carrier 1, and is stacked on the first carrier. On a carrier 1; if the first carrier 1 is a front-end passenger carrier, the third carrier 2 can be a rear-end cargo carrier, and at this moment, the second carrier 2 is overturned towards the third carrier 3 from an upright shape, Stacked on the third carrier 3 . That is to say, the second carrying frame 2 is turned towards the rear-end cargo rack, and stacked on the rear-end cargo rack.

A bracket 4 is provided on the third carrier 3 or the first carrier 1 , and the rotating structural component and the positioning structural component are arranged between the bracket 4 and the second carrier 2 . Wherein, the bracket 4 and the third bearing frame 3 or the first bearing frame 1 are integrally formed, welded, bonded or relatively fixed by fasteners (screws, screws, expansion nails, etc.).

It can be understood that the bracket 4 can be arranged on the first carrier 1, or can also be arranged on the third carrier 3, preferably, the first carrier 1 and the third carrier 3 as the rear end carrier Set bracket 4 on that one.

The rotating structural assembly includes a rotating shaft 5 and at least one rotating shaft hole 6 , and the rotating shaft 5 is inserted into each rotating shaft hole 6 . Wherein, the rotating shaft hole 6 is a bar-shaped rotating shaft hole that can move relative to the rotating shaft 5 when the second carrier 2 is in the first position (see FIG. 1 ). Further, the extending direction of the strip-shaped rotating shaft hole 6 is such that the second bearing frame 2 moves longitudinally relative to the rotating shaft 5 when it is in the first position (see FIG. 1 ). That is to say, when the second carrier 2 is in an upright position, the rotating shaft 5 can move up and down longitudinally along the strip-shaped rotating shaft hole 6 , or the rotating shaft hole 6 can slide up and down relative to the rotating shaft 5 under the guidance of the rotating shaft 5 .

Wherein, the rotating shaft 5 is arranged on one of the bracket 4 and the second bearing frame 2, the rotating shaft hole 6 is arranged on the other of the bracket 4 and the second bearing frame 2, and on the other of the bracket 4 and the second bearing frame 2 A fixed rod 7 is also arranged on the top, and an extension spring 8 is connected between the rotating shaft 5 and the fixed rod 7 . The extension spring 8 is to keep the second bearing frame 2 stable when it is in the first position (see Fig. 1), that is to say, the snap-in part 9 described below can be firmly snapped into the draw-in groove 10, so that the second Carrying frame 2 can not move up and down casually and slip and turn over. And when the second carrying frame 2 needs to be turned over to the second position (see Fig. 2), after the second carrying frame 2 only needs to be moved upwards, it can be easily turned over to the second position under the action of the tension spring 8 (see Fig. 2 ). figure 1).

The positioning structure assembly includes at least one slot 10 and a snap-in piece 9 that can be snapped into each slot 10, and the snap-in piece 9 snaps into the slot 10 when the rotating shaft 5 moves relatively along the bar-shaped shaft hole 6 Or break away from the card slot 10. Wherein, the engaging member 9 is preferably a roller or a roller shaft. The snap-in part 9 can also be a component with a smooth surface and low friction, which slides directly along the guide part 11 .

Wherein, the snap-in part 9 is arranged on one of the bracket 4 and the second carrier 2, the slot 10 is arranged on the other of the bracket 4 and the second carrier 2, and on the bracket 4 and the second carrier 2 The other one is also formed with a guide part 11 for guiding the snap-in part 9 when the second carrier 2 rotates. The guide part 11 is generally arc-shaped, and may also be planar or the like. Wherein, the engaging member 9 is preferably a roller or a roller shaft, and rolls along the guide portion 11 . The snap-in part 9 can also be a component with a smooth surface and low friction, which slides directly along the guide part 11 .

As shown in FIGS. 1-2 , in a preferred embodiment, the second carrier 2 includes a carrier plate 21 , and two lugs 22 protrude from both sides of one end of the carrier plate 21 . The bracket 4 is composed of two erected vertical bodies, and the two vertical bodies are connected and installed on the first supporting frame 1 , and the two vertical bodies correspond to the two supporting ears 22 respectively.

Two shaft holes 6 are provided on the two vertical bodies of the support 4 respectively, and a fixed rod 7 is connected between the two vertical bodies of the support 4 . A rotating shaft 5 is connected between the two lugs 22 of the second bearing frame 2. The rotating shaft 5 is located above the fixed rod 7. The two ends of the rotating shaft 5 extend into the two rotating shaft holes 6 respectively. Between the rotating shaft 5 and the fixed rod 7 Connect with extension spring 8. A snap-in part 9 is also connected between the two lugs 22, and the snap-in part 9 may be a roller or a roller shaft. At the top of the two vertical bodies of the bracket 4, there are card slots 10 respectively, extending downward from the top of the card slot 10 along the side wall adjacent to the card slot 10 to form a substantially arc-shaped guide part 11, which is snapped into The part 9 can roll along the guide 11 .

When in use, when the second bearing frame 2 is in the first position of the upright state, the user lifts the second bearing frame 2 forcefully to overcome the tension of the tension spring 8, the rotating shaft 5 moves upward along the rotating shaft hole 6, and at the same time, the snap-in part 9 disengages The draw-in slot 10, after moving, rotates the second carrier 2, turns over and stacks it on the first carrier 1, and at this moment, the second carrier 2 is in the second position of the lying state. When it is necessary to reset to the first position, it is only necessary to turn over the second bearing frame 2, and under the tension of the tension spring 8, the rotating shaft 5 moves downward along the rotating shaft hole 6, and at the same time, the snap-in part 9 snaps into the slot 10, and the second The second carrying frame 2 is firmly in the first position of the upright state again.

It should be understood that those skilled in the art can make improvements or changes based on the above description, but these improvements or changes should fall within the protection scope of the appended claims of the present invention.

Claims (10)

1. A single and double-seat conversion mechanism for bicycles, comprising a first carrier (1) and a second carrier (2), characterized in that the second carrier (2) is relatively opposite by rotating the structural assembly When the first carrier (1) rotates between a first position and a second position, the second carrier (2) is positioned at the first position by a positioning structure component. 2. The single and double seat conversion mechanism according to claim 1, characterized in that, one end of the first carrier (1) is also provided with a third carrier (3), and the second carrier (2) In the second position, it is stacked on the third carrier (3) or the first carrier (1). 3. The single and double seat conversion mechanism according to claim 2, characterized in that, a bracket (4) is provided on the third carrier (3) or the first carrier (1), and the rotating structure The assembly and the positioning structure assembly are arranged between the support (4) and the second bearing frame (2). 4. The single- and double-seat conversion mechanism according to claim 3, characterized in that, the rotating structural assembly includes a rotating shaft (5) and at least one rotating shaft hole (6), and the rotating shaft (5) is inserted into each of the In the rotating shaft hole (6); the rotating shaft hole (6) is a bar-shaped rotating shaft hole (6) that can move relative to the rotating shaft (5) when the second carrier (2) is in the first position . 5. The single and double seat conversion mechanism according to claim 4, characterized in that, the extension direction of the strip-shaped shaft hole (6) is along the longitudinal direction when the second carrier (2) is in the first position extend. 6. The single and double seat conversion mechanism according to claim 4, characterized in that, the rotating shaft (5) is arranged on one of the support (4) and the second bearing frame (2), and the The shaft hole (6) is arranged on the other one of the bracket (4) and the second bearing frame (2), and on the other one of the bracket (4) and the second bearing frame (2). A fixed rod (7) is also provided, and a tension spring (8) is connected between the rotating shaft (5) and the fixed rod (7). 7. The single-double-seat conversion mechanism according to claim 3, characterized in that, the positioning structure assembly includes at least one card slot (10) and a card slot that can be snapped into each of the card slots (10). part (9), the snap-in part (9) snaps into the slot (10) or breaks away from the slot ( 10). 8. The single and double seat conversion mechanism according to claim 7, characterized in that, the snap-in piece (9) is arranged on one of the bracket (4) and the second carrier (2), The card slot (10) is arranged on the other one of the bracket (4) and the second bearing frame (2), and on the other side of the bracket (4) and the second bearing frame (2). A guide part (11) for guiding the snap-in part (9) when the second carrier (2) rotates is also formed on one of them. 9. The single-seat and double-seat conversion mechanism according to claim 8, characterized in that, the engaging member (9) is a roller or a roller shaft. 10. A bicycle, characterized in that it comprises the single and double seat conversion mechanism according to any one of claims 1-9.