Quick-release connecting structure and vehicle

Abstract

The utility model discloses a quick-release connecting structure and a vehicle. The quick-release connecting structure comprises a driving assembly, an escapement assembly and a positioning piece assembly. The driving assembly is installed outside a handlebar vertical pipe and used for triggering the connection state of the escapement assembly and the positioning piece assembly. The escapement assembly is installed in a handlebar vertical pipe and used for being connected with the positioning piece assembly. The positioning piece assembly is installed in the front fork vertical pipe. The quick mounting and dismounting between the handlebar vertical pipe and the front fork vertical pipe can be realized through the mutual matching of the escapement assembly and the positioning piece assembly, the locking of the handlebar vertical pipe and the frame vertical pipe can be realized through the matching of the locking sleeve and the locking ring, the loosening is prevented, and the safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a quick-release connection structure and a vehicle. Background Art

[0002] Traditional bicycle front forks are connected to the frame through threaded compression bearing bowls, and the handlebars are fixed to the front fork through screw bevels or screws. Special tools are required for disassembly and assembly, which not only increases manpower and material costs, but also brings inconvenience to assembly.

[0003] Of course, some quick-release connection structures are also disclosed in the prior art, such as Chinese patent publication No. CN 208963245U and CN217623937U, which require a specific angle to connect the handlebar and the front fork stem together during installation, which is inconvenient to install.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0005] In order to solve the above problems existing in the prior art, the utility model provides a quick-release connection structure and a vehicle, which are more convenient to install and disassemble.

[0006] The utility model provides a quick-release connection structure, comprising a drive assembly, an escapement assembly, and a positioning piece assembly; the drive assembly is installed outside the handlebar riser and is used to trigger the connection state of the escapement assembly and the positioning piece assembly; the escapement assembly is installed inside the handlebar riser and is used to be connected to the positioning piece assembly; the positioning piece assembly is installed inside the front fork riser.

[0007] In some embodiments, the drive assembly includes a handle and a transmission shaft, and the handle and the transmission shaft are connected via a spline structure.

[0008] In some embodiments, the handle is provided with a rotating shaft portion and a mounting hole, a keyway is provided in the mounting hole, and a key matching the keyway is provided on the transmission shaft.

[0009] In some embodiments, the escapement assembly includes a positioning sleeve, an escapement hook, a toggle member, a first limit spring, and a second limit spring; the escapement hook, the toggle member, the first limit spring, and the second limit spring are respectively installed in the positioning sleeve, the toggle member is movably connected to the escapement hook, the first limit spring is used to limit the toggle member; the second limit spring is used to limit the escapement hook.

[0010] In some embodiments, the positioning sleeve includes a first half sleeve and a second half sleeve, the first half sleeve and the second half sleeve are buckled together, and a first pin hole is provided on the first half sleeve and the second half sleeve; a toggle hole is provided on the first half sleeve; a mounting column is provided on the second half sleeve, and the first limit spring is installed on the mounting column.

[0011] In some embodiments, the shifting member has a connecting hole and a shifting post, and the transmission shaft is inserted into the connecting hole.

[0012] In some embodiments, the escapement hook is provided with a toggle hole, a through hole and a hook portion, the toggle hole is a long hole, and the toggle post is arranged in the toggle hole.

[0013] In some embodiments, the positioning piece assembly includes a positioning seat and a positioning piece, the positioning seat is provided with a mounting groove and a positioning hole, and the positioning piece is provided with a hanging hole and a second pin hole.

[0014] In some embodiments, the quick-release connection structure further includes a locking sleeve and a locking ring, wherein the locking sleeve and the locking ring are threadedly connected to lock the handlebar stem and the frame stem.

[0015] A means of transport comprises the quick-release connection structure, and the means of transport is any one of a baby carriage, a bicycle or an electric bicycle.

[0016] By adopting the above technical scheme, the utility model has the following beneficial effects: the escapement assembly and the positioning plate assembly cooperate with each other to realize the rapid installation and disassembly between the handlebar stem and the front fork stem, and the locking sleeve and the locking ring cooperate to realize the locking of the handlebar stem and the frame stem to prevent looseness, which is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0019] Figure 2 Figure 1 Schematic diagram of the AA section structure;

[0020] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure at D in the middle;

[0021] Figure 4 It is a structural schematic diagram of an embodiment of the utility model;

[0022] Figure 5 Figure 4 Schematic diagram of the cross-section structure along the BB axis;

[0023] Figure 6 yes Figure 5 Schematic diagram of the enlarged structure at C in the middle;

[0024] Figure 7 It is a schematic diagram of the explosion structure of an embodiment of the utility model;

[0025] Figure 8 This is a schematic diagram of the connection structure of an embodiment of the utility model

[0026] In the figure, 10, quick-release connection structure; 11, driving assembly; 111, lever; 112, transmission shaft; 12, escapement assembly; 121, positioning sleeve; 1211, first half sleeve; 1212, second half sleeve; 122, escapement hook; 123, toggle member; 124, first limit spring; 125, second limit spring; 13, positioning plate assembly; 131, positioning seat; 132, positioning plate; 14, locking sleeve; 15, locking ring; 20, handlebar; 30, front fork; 40, frame; 50, upper bowl assembly; 60, lower bowl assembly. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Embodiment 1

[0034] Reference Figure 1-8 As shown, the quick-release connection structure 10 includes a drive assembly 11, an escapement assembly 12, and a positioning piece assembly 13; the drive assembly 11 is installed outside the handlebar 20 stem, and is used to trigger the connection state of the escapement assembly 12 and the positioning piece assembly 13; the escapement assembly 12 is installed inside the handlebar 20 stem, and is used to be connected to the positioning piece assembly 13; the positioning piece assembly 13 is installed inside the front fork 30 stem.

[0035] The driving assembly 11 includes a lever 111 and a transmission shaft 112, and the lever 111 and the transmission shaft 112 are connected by a spline structure. In this embodiment, the lever 111 is provided with a rotating shaft and a mounting hole, a key slot is provided in the mounting hole, and a key matching the key slot is provided on the transmission shaft 112. When the lever 111 is pulled, the lever 111 drives the transmission shaft 112 to rotate.

[0036] The escapement assembly 12 includes a positioning sleeve 121, an escapement hook 122, a toggle 123, a first limit spring 124, and a second limit spring 125; the positioning sleeve 121 is used as a carrier, the escapement hook 122, the toggle 123, the first limit spring 124, and the second limit spring 125 are respectively installed in the positioning sleeve 121, the toggle 123 is movably connected to the escapement hook 122, the first limit spring 124 is used to limit the toggle 123; the second limit spring 125 is used to limit the escapement hook 122. The escapement assembly 12 is installed in the handlebar 20 stem via a pin shaft.

[0037] The positioning sleeve 121 includes a first half sleeve 1211 and a second half sleeve 1212, which are buckled together, and a first pin hole is provided on the first half sleeve 1211 and the second half sleeve 1212; a toggle hole is provided on the first half sleeve 1211; a mounting column is provided on the second half sleeve 1212, and the first limit spring 124 is installed on the mounting column.

[0038] The toggle member 123 has a connecting hole and a toggle post, the transmission shaft 112 is inserted into the connecting hole, and the transmission shaft 112 and the connecting hole are matched by a key.

[0039] The escapement hook 122 is provided with a shifting hole, a through hole and a hook portion, the shifting hole is a long hole, and the shifting post is arranged in the shifting hole.

[0040] The positioning piece assembly 13 includes a positioning seat 131 and a positioning piece 132. The positioning seat 131 is provided with a mounting groove and a positioning hole, and the positioning piece 132 is provided with a hanging hole and a second pin hole. The positioning seat 131 is installed in the seat tube of the front fork 30 through an axle pin.

[0041] The quick-release connection structure 10 also includes a locking sleeve 14 and a locking ring 15, wherein the locking sleeve 14 and the locking ring are connected by threads, and the locking sleeve 14 is sleeved on the handlebar 20 stem and fixed by a pin shaft, and is used to lock the handlebar 20 stem and the frame 40 stem. The transmission shaft 112 of the lever 111 is rotatably mounted on the locking sleeve 14.

[0042] A means of transport comprises the quick-release connection structure 10, and the means of transport is any one of a baby carriage, a bicycle or an electric bicycle.

[0043] An upper bowl assembly 50 is provided between the handlebar 20 stem and the frame 40 stem, and a lower bowl assembly 60 is also provided between the frame 40 stem and the front fork 30 stem.

[0044] During installation, the positioning piece assembly 13 is installed in the riser of the front fork 30 and fixed by the pin shaft, and then the upper headset group 50 is installed on the riser of the front fork 30, and the riser of the front fork 30 is inserted into the riser of the workshop; the drive assembly 11, the locking sleeve 14 and the locking ring 15 are installed on the riser of the handlebar 20, and the escapement assembly 12 is installed in the riser of the handlebar 20, and then the locking sleeve 14 and the escapement assembly 12 are fixed by the pin shaft. After the headset is installed, it can be inserted into the riser of the frame 40, and the hook part can be inserted into the hanging hole of the positioning piece 132 to realize the quick connection between the front fork 30 and the handlebar 20, and then the locking ring 15 is screwed down, and the locking ring 15 can press the upper headset group 50 to complete the connection and locking.

[0045] During disassembly, the lock ring 15 is twisted upward to unlock the handlebar 20 and the frame 40, and then the lever 111 is pulled upward. The lever 111 drives the transmission shaft 112 to rotate, and drives the toggle member 123 to rotate. The toggle member 123 pushes the escapement hook 122 out of the hanging hole of the positioning plate 132, and the handlebar 20 and the front fork 30 can be separated.

[0046] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A quick-release connection structure, characterized in that: It includes a driving assembly, an escapement assembly, and a positioning piece assembly; the driving assembly is installed outside the handlebar riser and is used to trigger the connection state of the escapement assembly and the positioning piece assembly; the escapement assembly is installed inside the handlebar riser and is used to be connected to the positioning piece assembly; the positioning piece assembly is installed inside the front fork riser.

2. The quick-release connection structure according to claim 1, characterized in that: The driving assembly comprises a lever and a transmission shaft, and the lever and the transmission shaft are connected via a spline structure.

3. The quick-release connection structure according to claim 2, characterized in that: The lever handle is provided with a rotating shaft portion and a mounting hole, a key slot is provided in the mounting hole, and a key matching the key slot is provided on the transmission shaft.

4. The quick-release connection structure according to claim 3, characterized in that: The escapement assembly includes a positioning sleeve, an escapement hook, a toggle member, a first limit spring, and a second limit spring; the escapement hook, the toggle member, the first limit spring, and the second limit spring are respectively installed in the positioning sleeve, the toggle member is movably connected to the escapement hook, the first limit spring is used to limit the toggle member; the second limit spring is used to limit the escapement hook.

5. The quick-release connection structure according to claim 4, characterized in that: The positioning sleeve includes a first half sleeve and a second half sleeve, the first half sleeve and the second half sleeve are buckled together, the first half sleeve and the second half sleeve are provided with a first pin hole; the first half sleeve is provided with a toggle hole; the second half sleeve is provided with a mounting column, and the first limit spring is installed on the mounting column.

6. The quick-release connection structure according to claim 5, characterized in that: The toggle member is provided with a connecting hole and a toggle post, and the transmission shaft is inserted into the connecting hole.

7. The quick-release connection structure according to claim 6, characterized in that: The escapement hook is provided with a toggle hole, a through hole and a hook portion, the toggle hole is a long hole, and the toggle post is arranged in the toggle hole.

8. The quick-release connection structure according to claim 7, characterized in that: The positioning piece assembly comprises a positioning seat and a positioning piece, the positioning seat is provided with a mounting groove and a positioning hole, and the positioning piece is provided with a hanging hole and a second pin hole.

9. The quick-release connection structure according to claim 1, characterized in that: It also includes a locking sleeve and a locking ring, which are connected by threads and are used to lock the handlebar riser and the frame riser.

10. A means of transport, characterized in that: It comprises the quick-release connection structure described in any one of claims 1 to 9.

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