Hidden brake structure of four-wheeler

Abstract

The utility model discloses a four-wheeler hidden type brake structure which comprises a frame, wheels are rotatably arranged on the frame, a brake module used for restraining the wheels from rotating relative to the frame is arranged on the frame, the frame is rotatably connected with a brake handle, and the brake module and the brake handle are provided with brake cables which are connected with each other. The interior of the frame is hollow, the brake cable is arranged in the frame, the brake module comprises a brake part rotationally connected with the frame, and the brake cable is connected with the brake part; the brake part can move back and forth between a first position and a second position relative to the frame, and the frame is provided with an elastic element used for restraining the brake part to be kept at the first position. The brake handle can drive the brake cable to drive the brake part to move from the first position to the second position so as to brake the wheels. When the brake cable is used, the brake cable is hidden inside, and the problem that the brake cable is wound with an external object and the like to affect operation of the brake cable is solved, so that the brake reliability is guaranteed, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to four-wheel vehicle technical field, especially four-wheel vehicle hidden brake structure. BACKGROUND

[0002] The existing four-wheel vehicle generally adopts exposed brake cable structure, and brake handle and brake assembly are connected through cable or hydraulic pipeline to realize brake function.

[0003] The brake cable of the existing four-wheel vehicle is usually exposed outside the frame, which not only destroys the simplicity of the overall appearance, but also may be entangled with other objects during driving, hinders the free movement of the brake cable, and causes brake failure or response delay. In addition, in harsh environments (such as muddy, sandy, wet road), the exposed brake cable is easy to accumulate dirt, sand or rust, which affects the brake sensitivity and increases the maintenance cost. SUMMARY

[0004] The utility model discloses at least one of the technical problems existing in the prior art. To this end, the utility model provides a four-wheel vehicle hidden brake structure.

[0005] A four-wheel vehicle hidden brake structure designed for this purpose, comprising a frame, the frame is rotatably provided with a wheel, the frame is provided with a brake module for restraining the wheel relative to the frame rotation, the frame is rotatably connected with a brake handle, the brake module and the brake handle are provided with brake cable interconnection;

[0006] The frame is hollow inside, the brake cable is arranged in the frame, the brake module comprises a brake member rotatably connected with the frame, and the brake cable is connected with the brake member;

[0007] The brake member can reciprocate between the first position and the second position relative to the frame, and the frame is provided with an elastic element for restraining the brake member to remain in the first position;

[0008] The brake handle can drive the brake cable to move the brake member from the first position to the second position to brake the wheel.

[0009] As preferred, the wheel is fixedly connected with a shaft body, the shaft body is rotatably arranged with the frame, and part of the shaft body is located inside the frame;

[0010] The brake member is rotatably arranged inside the frame; when the brake member is in the second position, the brake member abuts against the shaft body to restrain the shaft body from rotating relative to the frame.

[0011] As preferred, the shaft body located inside the frame is circumferentially arranged with a tooth groove;

[0012] The brake member is provided with a brake block extending towards the shaft body, and the brake block is uniformly provided with teeth of the gear slot intermeshing towards the wall surface of the shaft body.

[0013] As preferred, a fixing shaft is arranged inside the frame, and the brake member is rotationally connected with the shaft body.

[0014] As preferred, the frame is provided with an upward extending holding frame, and the brake handle is rotationally arranged on the holding frame.

[0015] As preferred, a cup holder is arranged on the frame.

[0016] Compared with the prior art, the frame is hollow, the brake wire is arranged inside the frame, the brake module comprises a brake member rotationally connected with the frame, and the brake wire is connected with the brake member; in use, the brake wire is hidden inside and will not be entangled with external objects to affect the operation of the brake wire, so as to ensure the reliability of the brake and improve the safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Fig. 1 is a schematic view of the three-dimensional structure of the utility model;

[0018] Figure 2 Fig. 2 is a schematic view of the three-dimensional structure of the utility model; Figure 1 Fig. 3 is an enlarged structure schematic view of the middle A;

[0019] Figure 3 Fig. 4 is a schematic view of the three-dimensional structure of the utility model;

[0020] Figure 4 Fig. 5 is a schematic view of the connection between the frame and the wheel;

[0021] Figure 5 Fig. 6 is a schematic view of the cross section of the frame and the wheel;

[0022] Figure 6 Fig. 7 is an enlarged structure schematic view of the middle B. Figure 5 DETAILED DESCRIPTION

[0023] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0024] ​Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," or "having" and variations thereof herein is intended to be broad and encompass the terms "consisting of" and "consisting essentially of" and variations thereof. Unless otherwise required by context, singular terms shall include pluralities and vice versa. Unless otherwise required by context, the use herein of the singular is also to be construed as a use of the plural and vice versa.

[0025] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features.

[0026] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a separate or alternative embodiment to the other embodiments. It will be explicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0027] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " herein generally represents an "or" relationship between the front and rear associated objects.

[0028] In the description of the embodiments of the present application, the term "a plurality of" refers to two or more (including two), and similarly, "a plurality of groups" refers to two or more groups (including two groups), and "a plurality of pieces" refers to two or more pieces (including two pieces).

[0029] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0030] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0031] Referring to Figures 1-6 A four-wheel vehicle hidden brake structure, comprising a frame 10, the frame 10 is rotatably provided with a wheel 20, the frame 10 is provided with a brake module 30 for restraining the wheel 20 relative to the frame 10 rotation, the frame 10 is rotatably connected with a brake handle 40, the brake module 30 and the brake handle 40 are provided with brake lines 50 connected with each other; the frame 10 is hollow, the brake lines 50 are arranged in the frame 10, the brake module 30 comprises a brake member 310 rotatably connected with the frame 10, the brake lines 50 are connected with the brake member 310; the brake member 310 can reciprocate between the first position and the second position relative to the frame 10, the frame 10 is provided with an elastic element for restraining the brake member 310 to remain in the first position; the brake handle 40 can drive the brake lines 50 to move the brake member 310 from the first position to the second position to brake the wheel 20.

[0032] Referring to Figure 5 And Figure 6 , the embodiment one of the brake module 30: the wheel 20 is fixedly connected with a shaft body 200, the shaft body 200 is rotatably arranged with the frame 10 and part of the shaft body 200 is located in the frame 10; the brake member 310 is rotatably arranged in the frame 10; when the brake member 310 is located in the second position, the brake member 310 abuts against the shaft body 200 to restrain the shaft body 200 from rotating relative to the frame 10. In this embodiment, the elastic element adopts a torsional spring, one end of the torsional spring is connected with the frame 10 and the other end is connected with the brake member 310 to restrain the brake member 310 to remain in the first position. When braking, the brake handle 40 is pressed to make the brake handle 40 rotate relative to the frame 10, thereby driving the connected brake lines 50 to move, with the movement of the brake lines 50, the brake member 310 is driven to rotate relative to the frame 10 from the first position to the second position, and when the brake member 310 is located in the second position, it abuts against the shaft body 200 to restrain the shaft body 200 and the wheel 20 from rotating relative to the frame 10, thereby achieving brake.

[0033] Referring toFigure 6 In the first embodiment of the brake module 30, the shaft body 200 inside the frame 10 is provided with a circumferential array of tooth grooves 210; the brake member 310 is provided with a brake block 311 extending towards the shaft body 200, and the brake block 311 is provided with teeth 312 that are in meshing engagement with the tooth grooves 210 on the wall surface of the shaft body 200. The cooperation between the tooth grooves 210 and the teeth 312 can completely constrain the shaft body 200 from rotating relative to the frame 10.

[0034] Referring to Figure 6 In the first embodiment of the brake module 30, a fixed shaft 120 is provided inside the frame 10, and the brake member 310 is rotationally connected to the shaft body 200.

[0035] Referring to Figure 6 In the first embodiment of the brake module 30, the brake member 310 is provided with a connecting member 313 that is connected to the brake cable 50.

[0036] Referring to Figure 3 The frame 10 is provided with an upwardly extending handle 100, and the brake handle 40 is rotationally arranged on the handle 100.

[0037] Referring to Figure 1 and Figure 3 The frame 10 is provided with a cup holder 60.

[0038] Referring to Figure 1 and Figure 2 In the second embodiment of the brake module 30, the brake member 310 is arranged on the outer side of the frame 10, and the outer wall of the frame 10 is provided with a fixing seat 320 that is provided with a receiving groove 321 that is open towards the side of the wheel 20, and the brake member 310 is arranged in the receiving groove 321. When the brake member 310 is in the first position, the brake member 310 is received in the receiving groove 321. When the brake member 310 is moved from the first position to the second position, the brake member 310 is gradually moved out of the receiving groove 321 until the brake member 310 abuts against the wheel 20 to brake.

[0039] Referring to Figure 3 In the second embodiment of the brake module 30, the frame 10 is provided with a communication port 110 that is in communication with the inside of the frame 10 and the receiving groove 321, so as to facilitate the connection of the brake cable 50 to the brake member 310 in the receiving groove 321.

[0040] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A four-wheeled vehicle hidden brake structure, comprising a frame (10) provided with a wheel (20) rotatably arranged, the frame (10) being provided with a brake module (30) for restraining the wheel (20) from rotating relative to the frame (10), the frame (10) being rotatably connected with a brake handle (40), the brake module (30) and the brake handle (40) being connected with each other by a brake wire (50); characterized in that the frame (10) being hollow inside, the brake wire (50) being arranged inside the frame (10), the brake module (30) comprising a brake member (310) rotatably connected with the frame (10), the brake wire (50) being connected with the brake member (310); the brake member (310) being reciprocally movable relative to the frame (10) between a first position and a second position, the frame (10) being provided with an elastic element for restraining the brake member (310) to remain in the first position; the brake handle (40) being capable of driving the brake wire (50) to move the brake member (310) from the first position to the second position to brake the wheel (20).

2. A concealed brake structure for a four-wheeled vehicle as claimed in claim 1, wherein: the wheel (20) being fixedly connected with a shaft body (200), the shaft body (200) being rotatably arranged with the frame (10) and part of the shaft body (200) being located inside the frame (10); the brake member (310) being rotatably arranged inside the frame (10), when the brake member (310) is located in the second position, the brake member (310) abuts against the shaft body (200) to restrain the shaft body (200) from rotating relative to the frame (10).

3. A concealed brake structure for a four-wheeled vehicle as claimed in claim 2, wherein: the shaft body (200) located inside the frame (10) being circumferentially arranged with a plurality of tooth grooves (210); the brake member (310) being provided with a brake block (311) extending towards the shaft body (200), the brake block (311) being uniformly distributed with a plurality of gear teeth (312) intermeshing with the tooth grooves (210) on the wall surface of the shaft body (200).

4. A concealed brake structure for a four-wheeled vehicle as claimed in claim 2, wherein: a fixed shaft (120) being arranged inside the frame (10), the brake member (310) being rotatably connected with the shaft body (200).

5. The hidden brake structure of a four-wheeler as claimed in claim 1 wherein: the frame (10) being provided with an upwardly extending holding frame (100), the brake handle (40) being rotatably arranged on the holding frame (100).

6. A concealed brake structure for a four-wheeled vehicle as claimed in claim 1, wherein: a cup holder (60) being arranged on the frame (10).

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