Lifting seat and bicycle thereof

Abstract

The lifting seat comprises a lower support and an upper support, the two sides of the lower support and the two sides of the upper support are each provided with a first connecting plate and a second connecting plate, a connecting shaft is arranged between each first connecting plate and the corresponding second connecting plate, the lower support and the upper support are each provided with an arc-shaped groove and a sliding groove, and the arc-shaped grooves are communicated with the sliding grooves. A fixed shaft is arranged in the arc-shaped groove, a movable shaft is arranged in the sliding groove, one end of the fixed shaft on the upper support is rotationally connected with one end of the second connecting plate, one end of the movable shaft on the upper support is rotationally connected with the other end of the second connecting plate, and one end of the fixed shaft on the lower support is rotationally connected with one end of the first connecting plate. The adjusting assembly is matched with the moving shaft, the moving shaft can move in the sliding groove, then the height of the saddle can be adjusted, connection in an inserting mode is effectively avoided, locking is carried out through matching of a bolt and a nut, meanwhile, adjustment is carried out without a tool, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a lifting seat and a bicycle thereof. Background Art

[0002] As bicycles are becoming more and more popular among the people, the production scale of bicycle manufacturers has gradually expanded. Bicycles, also known as bicycles or bikes, are usually small two-wheeled land vehicles. After people ride on the bicycle, they use pedals as power. It is a green and environmentally friendly means of transportation. Bicycles can be used as an environmentally friendly means of transportation for commuting and traveling; more and more people use bicycles as fitness equipment for cycling exercises, bicycle tours, etc.

[0003] Traditional bicycle seats are usually connected by plugging and then locked with bolts and nuts to adjust the seat height. This requires tools and is a cumbersome operation. Therefore, there is an urgent need to design a lifting seat and bicycle to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting seat and a bicycle thereof to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] The lifting seat includes a lower support and an upper support, wherein a first connecting plate and a second connecting plate are provided on both sides of the lower support and the upper support, a connecting shaft is provided between the first connecting plate and the second connecting plate, and an arc groove and a slide groove are provided on the lower support and the upper support, a fixed shaft is provided inside the arc groove, and a movable shaft is provided inside the slide groove, one end of the fixed shaft on the upper support is rotatably connected to one end of the second connecting plate, one end of the movable shaft on the upper support is rotatably connected to the other end of the second connecting plate, one end of the fixed shaft on the lower support is rotatably connected to one end of the first connecting plate, and one end of the movable shaft on the lower support is rotatably connected to the other end of the first connecting plate, a vehicle seat is provided on the upper surface of the upper support, and an adjustment component is provided in the middle of the movable shaft.

[0007] Preferably, the adjustment assembly includes a threaded rod, the threaded rod is threadedly connected to the movable shaft, a spring is sleeved on the outer side of the threaded rod, and the spring is arranged between the fixed shaft and the movable shaft on the lower support.

[0008] Preferably, a nut is sleeved on the outer side of the threaded rod, one end of the threaded rod is rotatably connected to a fixed shaft on the lower support, and the other end of the threaded shaft is fixedly connected to a rotating handle.

[0009] Preferably, the first connecting plate and the second connecting plate are rotatably connected at one end of the connecting shaft, and the first connecting plate and the second connecting plate are cross-staggered connected.

[0010] Preferably, the slide grooves on the lower support and the upper support are straight groove-shaped, and the slide groove stroke length is 0-25CM.

[0011] A bicycle is also provided, including a bicycle body and a lifting seat.

[0012] In the above technical solution, the lifting seat and bicycle provided by the utility model have the following beneficial effects:

[0013] (1) By cooperating with the adjusting assembly and the movable shaft, the movable shaft can be moved inside the slide groove, and the seat height can be adjusted, which effectively avoids the plug-in connection and is locked by the cooperation of bolts and nuts. At the same time, no tools are required for adjustment, and the operation is simple.

[0014] (2) The nut on the threaded shaft can be used to limit the movable shaft for a second time, which can effectively prevent the threaded shaft and the movable shaft from being limited when the thread slips, and can effectively ensure people's safety.

[0015] (3) By rotating the first connecting plate and the second connecting plate on the connecting shaft, the adjustment component can better adjust the seat height, and the structure is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 The present invention provides a three-dimensional schematic diagram of the overall structure of the lifting seat and bicycle embodiment thereof.

[0018] Figure 2 This is a three-dimensional schematic diagram of the seat structure provided by the lifting seat and bicycle embodiment of the utility model.

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the lower support provided in an embodiment of the lift seat and bicycle thereof of the present utility model.

[0020] 1 lower support, 2 arc-shaped groove, 3 first connecting plate, 4 second connecting plate, 5 slide groove, 6 upper support, 7 bicycle seat, 8 connecting shaft, 9 fixed shaft, 10 movable shaft, 11 adjustment component, 12 threaded rod, 13 rotating handle, 14 spring, 15 nut, 16 bicycle body. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0022] like Figure 1-3 As shown, the lifting seat provided by the embodiment of the present invention includes a lower support 1 and an upper support 6, the lower support 1 and the upper support 6, a first connecting plate 3 and a second connecting plate 4 are provided on both sides of the lower support 1 and the upper support 6, a connecting shaft 8 is provided between the first connecting plate 3 and the second connecting plate 4, an arc groove 2 and a slide groove 5 are provided on the lower support 1 and the upper support 6, a fixed shaft 9 is provided inside the arc groove 2, and a movable shaft 10 is provided inside the slide groove 5, one end of the fixed shaft 9 on the upper support 6 is rotatably connected to one end of the second connecting plate 4, one end of the movable shaft 10 on the upper support 6 is rotatably connected to the other end of the second connecting plate 4, one end of the fixed shaft 9 on the lower support 1 is rotatably connected to one end of the first connecting plate 3, one end of the movable shaft 10 on the lower support 1 is rotatably connected to the other end of the first connecting plate 3, a vehicle seat 7 is provided on the upper surface of the upper support 6, and an adjustment component 11 is provided in the middle of the movable shaft 9.

[0023] Specifically, in this embodiment, a lower support 1 and an upper support 6 are provided, and the lower support 1 and the upper support 6 are provided with a plurality of threaded holes. A first connecting plate 3 and a second connecting plate 4 are provided on both sides of the lower support 1 and the upper support 6. A connecting shaft 8 is provided between the first connecting plate 3 and the second connecting plate 4. An arc groove 2 and a slide groove 5 are provided on the lower support 1 and the upper support 6. A fixed shaft 9 is provided inside the arc groove 2, and a movable shaft 10 is provided inside the slide groove 5. The movable shaft 10 can move inside the slide groove 5. One end of the fixed shaft 9 on the upper support 6 is connected to the second One end of the connecting plate 4 is rotatably connected, one end of the movable shaft 10 on the upper support 6 is rotatably connected to the other end of the second connecting plate 4, one end of the fixed shaft 9 on the lower support 1 is rotatably connected to one end of the first connecting plate 3, one end of the movable shaft 10 on the lower support 1 is rotatably connected to the other end of the first connecting plate 3, and a seat 7 is provided on the upper surface of the upper support 6. The seat 7 is fixedly connected to the upper support 6 through a threaded hole opened on the upper support 6. An adjustment component 11 is provided in the middle of the movable shaft 9, which is used to adjust the height of the seat 7 through the adjustment component 11 to facilitate people riding.

[0024] The lifting seat provided by the present invention cooperates with the movable shaft 9 through the adjustment component 11, so that the movable shaft 9 can be moved inside the slide groove 5, and then the height of the seat 7 can be adjusted, effectively avoiding the plug-in connection, and locking is achieved by the cooperation of bolts and nuts. At the same time, no tools are required for adjustment, and the operation is simple.

[0025] In one embodiment provided by the present invention, the adjustment component 11 includes a threaded rod 12, which is threadedly connected to the movable shaft 9. The movable shaft 9 is provided with a threaded hole that is compatible with the threaded rod 12. A spring 14 is sleeved on the outside of the threaded rod. The spring 14 is arranged between the fixed shaft 9 and the movable shaft 10 on the lower support 1.

[0026] In another embodiment provided by the present invention, a nut 15 is sleeved on the outside of the threaded rod 12, one end of the threaded rod 12 is rotatably connected to the fixed shaft 9 on the lower support 1, and the other end of the threaded shaft 12 is fixedly connected to a rotating handle 13. By rotating the handle 13, the threaded shaft 12 can be driven to rotate, and then the movable shaft 9 can be driven to move inside the slide groove 5.

[0027] In another embodiment provided by the present invention, the first connecting plate 3 and the second connecting plate 4 are rotatably connected at one end of the connecting shaft 8, the first connecting plate 3 and the second connecting plate 4 are cross-staggered and connected, the first connecting plate 3 and the second connecting plate 4 can rotate around the connecting shaft 8, and the first connecting plate 3 and the second connecting plate 4 are rotatably connected at both ends of the connecting shaft 8. The first connecting plate 3 and the second connecting plate 4 can be driven to rotate around the connecting shaft 8 by the movable shaft 9, and then the height of the upper support 6 can be adjusted, thereby adjusting the height of the seat 7.

[0028] In one embodiment provided by the present invention, the slide groove 5 on the lower support 1 and the upper support 6 is in a straight groove shape, and the stroke length of the slide groove 5 is 0-25CM. The slide groove 5 facilitates the sliding of the movable shaft 9, and the stroke length of the slide groove 5 is consistent with the height adjustment length of the seat 7.

[0029] A bicycle is also provided, comprising a bicycle body 14 and a lifting seat. The bicycle body 14 is fixedly connected to the lower support 1 through a plurality of threaded holes provided on the lower support 1 .

[0030] Working principle: The lifting seat is fixedly connected to the bicycle body 14 through the threaded hole on the lower support 1. When the seat 7 needs to be adjusted, the handle 13 is rotated to drive the threaded rod 12 to rotate. The threaded rod 12 is threadedly connected to the movable shaft 10, which can drive the movable shaft 10 to slide inside the slide groove 5 on the lower support 1. The first connecting plate 3 and the second connecting plate 4 connected through the cross-staggered connection cooperate with each other, and the first connecting plate 3 and the second connecting plate 4 are rotated around the connecting shaft 8, so that the height of the upper support can be adjusted, thereby adjusting the height of the seat 7. The movable shaft 10 is limited for a second time by manually rotating the nut 15, so as to avoid the movable shaft 10 and the threaded rod 12 from slipping and causing harm to people.

[0031] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A lifting seat, comprising a lower support (1) and an upper support (6), characterized in that: A first connecting plate (3) and a second connecting plate (4) are provided on both sides of the lower support (1) and the upper support (6); a connecting shaft (8) is provided between the first connecting plate (3) and the second connecting plate (4); an arc groove (2) and a slide groove (5) are provided on the lower support (1) and the upper support (6); a fixed shaft (9) is provided inside the arc groove (2); a movable shaft (10) is provided inside the slide groove (5); one end of the fixed shaft (9) on the upper support (6) is connected to the first connecting plate (3) and the second connecting plate (4); One end of the two connecting plates (4) is rotatably connected, one end of the movable shaft (10) on the upper support (6) is rotatably connected to the other end of the second connecting plate (4), one end of the fixed shaft (9) on the lower support (1) is rotatably connected to one end of the first connecting plate (3), one end of the movable shaft (10) on the lower support (1) is rotatably connected to the other end of the first connecting plate (3), a seat (7) is provided on the upper surface of the upper support (6), and an adjustment component (11) is provided in the middle of the movable shaft (10).

2. The lift seat according to claim 1, characterized in that: The adjustment assembly (11) comprises a threaded rod (12), the threaded rod (12) being threadedly connected to the movable shaft (10), a spring (14) being sleeved on the outer side of the threaded rod, and the spring (14) being arranged between the fixed shaft (9) and the movable shaft (10) on the lower support (1).

3. The lift seat according to claim 2, characterized in that: A nut (15) is sleeved on the outside of the threaded rod (12); one end of the threaded rod (12) is rotatably connected to a fixed shaft (9) on the lower support (1); and the other end of the threaded rod (12) is fixedly connected to a rotating handle (13).

4. The lift seat according to claim 1, characterized in that: The first connecting plate (3) and the second connecting plate (4) are rotatably connected to one end of the connecting shaft (8), and the first connecting plate (3) and the second connecting plate (4) are cross-staggeredly connected.

5. The lift seat according to claim 1, characterized in that: The slide grooves (5) on the lower support (1) and the upper support (6) are in the shape of straight grooves, and the stroke length of the slide grooves (5) is 0-25CM.

6. A bicycle comprising a bicycle body (16) and the lifting seat according to any one of claims 1 to 5.

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