Anti-falling mounting structure for hub and carbon spokes

Abstract

An anti-falling installation structure of a hub and carbon spokes comprises the hub and a plurality of spokes. The outer ends of the spokes are connected with the rim, and caps are arranged at the inner ends of the spokes. The cap head comprises a small head and a large head; the inner end of the small head is fixedly connected with the large head, and the outer end of the small head is fixedly connected with the spoke; the diameter of the small head is smaller than that of the large head; a driving disc and a supporting disc are arranged on the two sides of the hub respectively, and spokes are arranged between the rim and the driving disc and between the rim and the supporting disc respectively. A plurality of first receding holes are formed in the driving disc in the circumferential direction at intervals. A first mounting groove is formed in the driving disc on the outer side of the first avoiding hole; a first positioning hole is formed in the driving disc at the inner end of the first mounting groove; the diameter of the end, close to the small end, of each spoke is smaller than that of an opening of the first mounting groove, and the cap head is clamped into the first receding hole from the side edge and then moves outwards to tightly embed the small end and the large end into the first mounting groove and the first positioning hole correspondingly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle wheel technical field, and specifically relates to a kind of anti-falling installation structure of hub and carbon spoke. BACKGROUND

[0002] In the bicycle industry, the wheel as the key component to support and drive the vehicle forward, its structure design and performance optimization has been an important direction of research and innovation.Hub and spoke as the core component of bicycle wheel, the rationality of its installation structure directly affects the firmness of wheel, rotation efficiency and riding experience. Traditionally, hub is usually designed as the component with flange at both ends, and the flange is provided with a plurality of guide holes for installing spoke. Spoke is extended from hub to rim in radial direction through these guide holes, and is fixed on rim by threaded connection or other ways, forming a complete wheel structure. However, the traditional installation structure has limitations in some aspects, such as insufficient connection strength of spoke and hub, complicated assembly process, etc. SUMMARY

[0003] The utility model aims at providing a kind of anti-falling installation structure of hub and carbon spoke, and the installation or dismounting operation of spoke is simple, and spoke installation stability is good, and spoke is not easy to slip from hub

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of anti-falling installation structure of hub and carbon spoke, including hub and multiple spokes;The outer end of spoke is connected with rim, and the inner end of spoke is provided with cap head;The cap head includes small head and big head;The inner end of small head is fixedly connected with big head, and the outer end of small head is fixedly connected with spoke;The diameter of small head is less than the diameter of big head;The driving disc and support disc are respectively arranged on the both sides of hub, and spoke is respectively arranged between rim and driving disc and support disc;A plurality of first let holes are arranged on the driving disc in circumferential direction;First installation slot is arranged on the driving disc outside first let hole;First positioning hole is arranged on the driving disc of first installation slot inner end;The diameter of spoke near small head one end is less than the opening of first installation slot, and cap head is clamped into first let hole from side after moving outward, and small head and big head are respectively tightly embedded into first installation slot and first positioning hole;A plurality of second let holes are arranged on the support disc in circumferential direction;Second installation slot is arranged on the support disc outside second let hole;Second positioning hole is arranged on the support disc of second installation slot inner end;The diameter of small head is same with the opening of second installation slot, and big head is clamped into second let hole from side after moving outward, and big head is tightly embedded into second positioning hole.

[0006] Further, the first positioning hole and the first mounting groove are formed with an included angle with the radial direction of the driving disc, and the spoke is arranged obliquely on the driving disc; the spoke on the inner side of the driving disc forms an included angle with the spoke on the outer side of the driving disc.

[0007] Further, the second positioning hole and the second mounting groove are arranged along the radial direction of the supporting disc.

[0008] Further, the outer end of the spoke is provided with a thread; the outer end of the spoke is arranged in the rim and tightly cooperates with the nut.

[0009] Further, the spoke is made of carbon fiber.

[0010] After the above technical scheme is adopted, the utility model has the following beneficial effects:

[0011] 1. The utility model discloses a flower drum and carbon spoke anti-falling mounting structure. An innovative design is adopted, and a mounting structure with good fixing property is designed on the driving disc of the flower drum. First, the cap head of the spoke is arranged in the first hole position, the spoke is pulled outward through the first mounting groove until the big head and the small head of the cap head are embedded in the first positioning hole and the first mounting groove respectively, and then the spoke can be fixed on the flower drum, so that the disassembly and assembly of the bicycle wheel set are facilitated.

[0012] 2. The utility model discloses a flower drum and carbon spoke anti-falling mounting structure. The cap head of the spoke is composed of a small head in the shape of a cylinder and a big head in the shape of a truncated cone. A plurality of spokes pass through a plurality of first mounting grooves and first hole positions arranged in the circumferential direction of the driving disc of the flower drum, and the spokes are fixed through embedded cooperation to assemble the wheel set. The diameter of the small head of the spoke is greater than the width of the opening of the first mounting groove, so that the installed spoke is limited in the transverse direction and is not easy to slide out from the side, and the wheel set assembled by using the scheme is more solid and durable.

[0013] 3. The utility model discloses a flower drum and carbon spoke anti-falling mounting structure. The outer end of the spoke is provided with a thread. During the process that the big head and the small head are embedded in the first positioning hole and the first mounting groove respectively, the thread cooperates with the nut to fix the plurality of spokes in the circumferential direction on the rim. The flower drum, the spoke and the rim constitute a wheel set. The wheel set structure adopting the anti-falling mounting structure is solid, and the installation and disassembly of the flower drum and the spoke are convenient and fast.

[0014] 4. The utility model discloses a flower drum and carbon spoke anti-falling mounting structure. The spoke is made of carbon fiber, which can reduce the weight of the wheel set, improve the structural strength of the wheel set, match the new anti-spoke falling mounting structure, and further enhance the structural strength and mechanical reliability of the front and rear wheel sets. DRAWINGS

[0015] Figure 1 It is a structural schematic view of the flower drum of the utility model.

[0016] Figure 2 is a partial enlarged view of the driving disc of the utility model;

[0017] Figure 3 is a partial enlarged view of the supporting disc of the utility model;

[0018] Figure 4 is a front view of the hub of the utility model;

[0019] Figure 5 is a structural schematic view of the spoke of the utility model;

[0020] Figure 6 is a partial enlarged view of the two ends of the spoke of the utility model;

[0021] Figure 7 is a structural schematic view of the wheel set of the utility model;

[0022] Figure 8 is a schematic view of the cooperation relationship between the spoke and the driving disc of the utility model;

[0023] Figure 9 is a schematic view of the cooperation relationship between the spoke and the supporting disc of the utility model.

[0024] The reference signs in the drawings represent:

[0025] 1, hub; 10, driving disc; 100, first displacement hole; 101, first positioning hole; 102, first installation groove; 11, supporting disc; 110, second displacement hole; 111, second positioning hole; 112, second installation groove; 2, spoke; 20, cap head; 200, small head; 201, large head; 21, thread; 22, nut; 3, rim. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0027] Please refer to Figures 1 to 9The application discloses a flower drum and carbon spoke anti-falling installation structure which comprises a flower drum 1 and a plurality of spokes 2; the outer end of the spoke 2 is connected with a rim 3, and the inner end of the spoke 2 is provided with a cap head 20; the cap head 20 comprises a small head 200 and a large head 201; the inner end of the small head 200 is fixedly connected with the large head 201, and the outer end of the small head 200 is fixedly connected with the spoke 2; the diameter of the small head 200 is smaller than that of the large head 201; the two sides of the flower drum 1 are respectively provided with a driving disc 10 and a supporting disc 11, and the spoke 2 is arranged between the rim 3 and the driving disc 10 and the supporting disc 11; a plurality of first accommodating holes 100 are arranged on the driving disc 10 in a circumferential direction; a first installation groove 102 is arranged on the driving disc 10 at the outer side of the first accommodating hole 100; a first positioning hole 101 is arranged on the driving disc 10 at the inner end of the first installation groove 102; the diameter of the spoke 2 close to the one end of the small head 200 is smaller than the opening of the first installation groove 102, the cap head 20 is clamped into the first accommodating hole 100 from the side, and then the small head 200 and the large head 201 are tightly embedded into the first installation groove 102 and the first positioning hole 101 respectively by moving outward; a plurality of second accommodating holes 110 are arranged on the supporting disc 11 in a circumferential direction; a second installation groove 112 is arranged on the supporting disc 11 at the outer side of the second accommodating hole 110; a second positioning hole 111 is arranged on the supporting disc 11 at the inner end of the second installation groove 112; the diameter of the small head 200 is the same as the opening of the second installation groove 112, and the large head 201 is clamped into the second accommodating hole 110 from the side, and then the large head 201 is tightly embedded into the second positioning hole 111 by moving outward.

[0028] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 , the driving disc 10 is respectively provided with the first positioning hole 101 and the first installation groove 102 at the two sides; the first positioning hole 101 and the first installation groove 102 form an included angle with the radial direction of the driving disc 10, so that the spoke 2 is arranged on the driving disc 10 in an inclined manner; the spoke 2 at the inner side of the driving disc 10 forms an included angle with the spoke 2 at the outer side of the corresponding driving disc 10.

[0029] As shown in Figure 1 , Figure 3 and Figure 9 , the second positioning hole 111 and the second installation groove 112 on the supporting disc 11 are arranged along the radial direction of the supporting disc 11.

[0030] As shown in Figures 5 to 7 , the outer end of the spoke 2 is provided with a thread 21; the outer end of the spoke 2 is arranged in the rim 3 and tightly matches with a nut 22.

[0031] As shown in Figures 5 to 7 , the material of the spoke 2 is carbon fiber.

[0032] It can be understood that "multiple" in the present disclosure refers to two or more, and other quantifiers are similar. The association relationship of "and / or" describing the associated objects means that there can be three relationships, for example, A and / or B can represent three cases of A existing alone, A and B existing together, and B existing alone. The character " / " generally represents that the associated objects before and after it are in an "or" relationship. The singular forms "a", "said" and "the" are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0033] It can be further understood that the terms "first", "second", and the like are used to describe various information, but these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other, and do not indicate a particular order or importance. In fact, the expressions of "first", "second", and the like can be completely interchangeable. For example, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information without departing from the scope of the present disclosure.

[0034] It can be further understood that the terms "center", "longitudinal", "transverse", "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation.

[0035] It can be further understood that unless otherwise specified, "connection" includes direct connection between the two without other components, and also includes indirect connection between the two with other elements.

[0036] It can be further understood that although the operations in the embodiments of the present disclosure are described in a specific order in the drawings, it should not be understood as requiring the operations to be performed in the specific order shown or in a serial order, or requiring all the operations to be performed to obtain the desired results. In a particular environment, multi-tasking and parallel processing can be advantageous.

[0037] Other embodiments of the present disclosure will be readily apparent to those skilled in the art upon considering the specification and practice of the utility disclosed herein. The present application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common general knowledge or conventional technical means in the art that are not disclosed in the present disclosure. The specification and examples are only considered as exemplary, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0038] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A flower drum and carbon spoke anti-falling installation structure, characterized in that: The utility model provides a kind of flower hub (1) and multiple spokes (2);The spoke (2) outer end is connected with rim (3), and spoke (2) inner end is provided with cap head (20);The cap head (20) includes small head (200) and big head (201);Small head (200) inner end is fixedly connected with big head (201), and small head (200) outer end is fixedly connected with spoke (2);The diameter of small head (200) is less than the diameter of big head (201);The flower hub (1) both sides are provided with driving disc (10) and support disc (11) respectively, and rim (3) is provided with spoke (2) between driving disc (10) and support disc (11) respectively;Driving disc (10) is provided with multiple first let go hole (100) on the circumferential interval;Driving disc (10) is provided with first installation groove (102) on the outside of first let go hole (100);Driving disc (10) is provided with first positioning hole (101) on the inner end of first installation groove (102);The diameter of spoke (2) near small head (200) one end is less than the opening of first installation groove (102), and cap head (20) is inserted into first let go hole (100) from side after moving outward, and small head (200) and big head (201) are respectively tightly embedded into first installation groove (102) and first positioning hole (101);Support disc (11) is provided with multiple second let go hole (110) on the circumferential interval;Support disc (11) is provided with second installation groove (112) on the outside of second let go hole (110);Support disc (11) is provided with second positioning hole (111) on the inner end of second installation groove (112);The diameter of small head (200) is same with the opening of second installation groove (112), and big head (201) is inserted into second let go hole (110) from side after moving outward, and big head (201) is tightly embedded into second positioning hole (111).

2. The anti-falling mounting structure of a hub and carbon spokes according to claim 1, characterized in that: Driving disc (10) both sides are provided with first positioning hole (101) and first installation groove (102) respectively;First positioning hole (101) and first installation groove (102) form angle with the radial direction of driving disc (10), and spoke (2) is obliquely arranged on driving disc (10);The spoke (2) of driving disc (10) inner side forms angle with the spoke (2) of corresponding driving disc (10) outside.

3. The anti-falling mounting structure of a hub and carbon spokes according to claim 1, characterized in that: Second positioning hole (111) and second installation groove (112) on support disc (11) are arranged along the radial direction of support disc (11).

4. The anti-falling mounting structure of a hub and carbon spokes according to claim 1, characterized in that: Spoke (2) outer end is provided with screw thread (21);Spoke (2) outer end is arranged in rim (3) and is tightly matched with nut (22).

5. The anti-falling mounting structure of a hub and carbon spokes according to claim 1, characterized in that: The material of spoke (2) is carbon fiber.

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