Connecting device for refitting bicycle

Abstract

The utility model discloses a connecting device for bicycle refitting, and belongs to the technical field of bicycle refitting. Comprising a bottom middle pipe, air bag connecting pipes are detachably connected to the two sides of the bottom middle pipe, a height adjusting pipe is detachably connected to the upper portion of the bottom middle pipe, a frame fixing pipe is rotationally connected to the height adjusting pipe, and a clamping device is connected to the end of the frame fixing pipe. The bicycle can be detachably connected, and the bicycle can be conveniently refitted.

Description

Technical Field

[0001] The present application belongs to the technical field of bicycle modification, and in particular relates to a connection device for bicycle modification. Background Art

[0002] When a bicycle is modified to travel on water, air bags need to be connected to both sides of the bicycle to provide buoyancy and ensure that the bicycle floats on the water. When the bicycle is moved back to land, the air bags need to be removed. Therefore, the bicycle and the air bags need to be detachably connected. Utility Model Content

[0003] The technical problem to be solved by the present application is: to overcome the deficiencies of the prior art and to provide a connection device for bicycle modification. The present application can detachably connect the bicycle to facilitate modification of the bicycle.

[0004] The technical solution adopted by this application to solve the existing problems is:

[0005] A connection device for bicycle modification comprises a bottom middle tube, air bag connection tubes are detachably connected to both sides of the bottom middle tube, a height adjustment tube is detachably connected to the top of the bottom middle tube, a frame fixing tube is rotatably connected to the height adjustment tube, and a clamp is connected to the end of the frame fixing tube.

[0006] Preferably, the connector is a clamp sealed by bolts.

[0007] Preferably, the middle of the bottom middle tube is V-shaped, and both ends are arranged horizontally. A horizontal plug connector is provided at the horizontal end of the bottom middle tube, and the horizontal plug connector is detachably connected to the airbag connecting tube.

[0008] Preferably, the horizontal plug connector is plug-connected or threadedly connected to the airbag connecting tube.

[0009] Preferably, a third plug hole is provided on the airbag connecting tube, and a telescopic tube is telescopically provided on the third plug hole.

[0010] Preferably, an insert plate is passed through the inside of the airbag connecting tube, second insert rods are protruded on both sides of the insert plate, the telescopic tube is sleeved on the insert rods, a spring seat is fixed to the inner end of the telescopic tube, a spring is provided between the spring seat and the insert plate, and the spring is sleeved on the second insert rod.

[0011] Preferably, a vertical plug connector is provided on the horizontal end of the bottom intermediate tube, and the vertical plug connector is connected to the height adjustment tube.

[0012] Preferably, an intermediate pipe is detachably connected above the vertical socket joint. The intermediate pipe is provided with a first socket hole. A plurality of second socket holes are arranged on the circumferential surface of the height adjustment pipe at intervals along the axis. The height adjustment pipe is sleeved on the intermediate pipe. After one of the second socket holes is arranged corresponding to the first socket hole, a first insertion rod is inserted through the two.

[0013] Preferably, the intermediate pipe is inserted or threadedly connected to the vertical socket joint.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] (1) The bicycle can be detachably connected, which is convenient for modifying the bicycle.

[0016] (2) The connecting device can be disassembled, which is convenient for storage and carrying. Description of the Drawings

[0017] The present application will be further described below with reference to the drawings and embodiments.

[0018] Figure 1 It is a structural diagram of a connecting device for modifying a bicycle according to the present application.

[0019] Figure 2 It is Figure 1 exploded view of

[0020] Figure 3 It is Figure 1 structural diagram of the frame fixing rod in

[0021] Figure 4 It is Figure 1 cross-sectional view of the airbag connecting rod in

[0022] Figure 5 exploded view of the airbag connecting rod

[0023] Figure 6 It is Figure 5 local enlarged view at A in

[0024] In the figure: 1-bottom intermediate pipe, 101-horizontal socket joint, 102-vertical socket joint, 2-intermediate pipe, 201-first socket hole, 3-height adjustment pipe, 301-second socket hole, 302-mounting hole, 4-first insertion rod, 5-frame fixing pipe, 501-fastener, 502-mounting pipe, 6-bolt, 7-airbag connecting pipe, 701-third socket hole, 8-expansion pipe, 801-spring seat, 9-insertion plate, 10-second insertion rod, 11-spring. Detailed Embodiments

[0025] As used in the specification and claims, certain terms are used to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not distinguish components by the difference in names, but by the difference in functions of the components. As used throughout the specification and claims, "comprising" is an open-ended term and should be interpreted as "comprising but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve the technical problems within a certain error range and basically achieve the technical effects.

[0026] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application.

[0027] In the present application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0028] The attached drawings are the best embodiments of the connection device for bicycle modification. The present application will be further described in detail below with reference to the attached drawings.

[0029] A connection device for bicycle modification, consisting of Figures 1 to 6 As shown, it includes a bottom intermediate tube 1. The middle of the bottom intermediate tube 1 is V-shaped, with both ends horizontally arranged, and the middle part is arranged below the bicycle wheel.

[0030] At the horizontal end of the bottom intermediate tube 1, there are a horizontal socket 101 and a vertical socket 102. The horizontal socket 101 is detachably connected to an airbag connecting tube 7, and the airbag connecting tube 7 is cooperatively connected with a hanging ring on the airbag.

[0031] The horizontal socket 101 is inserted or threadedly connected to the airbag connecting tube 7.

[0032] In order to prevent the airbag connecting tube 7 from falling off the hanging ring, a third socket 701 is provided on the airbag connecting tube 7. A telescopic tube 8 is telescopically arranged on the third socket 701. After the airbag connecting tube 7 passes through the hanging ring, the telescopic tube 8 extends out of the third socket 701 and is clamped with the hanging ring.

[0033] For the convenience of production, an insertion plate 9 is disposed inside the airbag connecting pipe 7. Second insertion rods 10 are protruded on both sides of the insertion plate 9, and the telescopic pipe 8 is sleeved on the insertion rods 10. A spring seat 801 is fixed at the inner end of the telescopic pipe 8. A spring 11 is disposed between the spring seat 801 and the insertion plate 9, and the spring 11 is sleeved on the second insertion rod 10.

[0034] Through the arrangement of the insertion plate 9, it is convenient to assemble the telescopic pipe 8 and the airbag connecting pipe 7.

[0035] A height adjustment pipe 3 is detachably connected above the middle pipe 1 at the bottom. A frame fixing pipe 5 is rotatably connected inside the height adjustment pipe 3. Specifically, the arrangement method is that an installation hole 302 is provided at the top of the height adjustment pipe 3, and an installation pipe 502 is provided at one end of the frame fixing pipe 5. The installation pipe 502 is provided with internal threads. The installation pipe 502 is inserted into the installation hole 302, and then is clamped on the installation hole 302 by a bolt 6 threadedly connected thereto.

[0036] A clamping device 501 is provided at the end of the frame fixing pipe 5, and the clamping device 501 is clamped with the frame of the bicycle. The clamping device 501 is a prior art and adopts a clamp sealed by a bolt.

[0037] In order to adjust the distance between the middle pipe 1 at the bottom and the frame fixing pipe 5 to adapt to bicycles of different specifications, in this embodiment, an intermediate pipe 2 is detachably connected above the vertical insertion joint 102, and the intermediate pipe 2 is inserted or threadedly connected with the vertical insertion joint 102.

[0038] A first insertion hole 201 is provided on the intermediate pipe 2. A plurality of second insertion holes 301 are arranged at intervals along the axis on the circumferential surface of the height adjustment pipe 3. The height adjustment pipe 3 is sleeved on the intermediate pipe 2. After one of the second insertion holes 301 is arranged corresponding to the first insertion hole 201, a first insertion rod 4 is inserted between the two to fixedly connect the intermediate pipe 2 and the height adjustment pipe 3.

[0039] The embodiments of the present application have been described in detail above with reference to the accompanying drawings. However, the present application is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge scope of those of ordinary skill in the art.

Claims

1. A connection device for bicycle modification, characterized in that: The vehicle comprises a bottom intermediate tube (1), airbag connecting tubes (7) are detachably connected to both sides of the bottom intermediate tube (1), a height adjustment tube (3) is detachably connected to the top of the bottom intermediate tube (1), a vehicle frame fixing tube (5) is rotatably connected to the height adjustment tube (3), and a clamping device (501) is connected to the end of the vehicle frame fixing tube (5).

2. A bicycle modification connection device according to claim 1, characterized in that: The clamp (501) is a clamp sealed by bolts.

3. A bicycle modification connection device according to claim 1, characterized in that: The middle of the bottom intermediate tube (1) is V-shaped, and both ends are arranged horizontally. A horizontal plug connector (101) is provided at the horizontal end of the bottom intermediate tube (1), and the horizontal plug connector (101) is detachably connected to the airbag connecting tube (7).

4. A bicycle modification connection device according to claim 1, characterized in that: The horizontal plug connector (101) is plug-connected or threadedly connected to the airbag connecting pipe (7).

5. A bicycle modification connection device according to claim 3 or 4, characterized in that: A third plug hole (701) is provided on the airbag connecting tube (7), and a telescopic tube (8) is telescopically provided on the third plug hole (701).

6. A bicycle modification connection device according to claim 5, characterized in that: An insert plate (9) is inserted into the airbag connecting tube (7), and second insert rods (10) are protrudingly provided on both sides of the insert plate (9). The telescopic tube (8) is sleeved on the insert rods (10), and a spring seat (801) is fixed to the inner end of the telescopic tube (8). A spring (11) is provided between the spring seat (801) and the insert plate (9), and the spring (11) is sleeved on the second insert rod (10).

7. A bicycle modification connection device according to claim 1 or 2 or 3 or 4 or 6, characterized in that: A vertical plug connector (102) is provided on the horizontal end of the bottom middle tube (1), and the vertical plug connector (102) is connected to the height adjustment tube (3).

8. A bicycle modification connection device according to claim 7, characterized in that: An intermediate tube (2) is detachably connected above the vertical plug connector (102), the intermediate tube (2) is provided with a first plug hole (201), a plurality of second plug holes (301) arranged at intervals along the axis are provided on the circumferential surface of the height adjustment tube (3), the height adjustment tube (3) is sleeved on the intermediate tube (2), one of the second plug holes (301) is arranged corresponding to the first plug hole (201), and a first plug rod (4) is inserted between the two.

9. A bicycle modification connection device according to claim 8, characterized in that: The middle pipe (2) is plug-connected or threadedly connected to the vertical plug connector (102).

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