Electric bicycle hub with double structures

Abstract

The utility model relates to the technical field of wheel hubs, in particular to an electric bicycle wheel hub with a double structure, which comprises a first wheel hub, a second wheel hub which is the same as the first wheel hub is arranged on the side edge of the first wheel hub, and the second wheel hub and the first wheel hub are supported and assembled through a butt joint middle piece. A middle cylinder inserting piece is inserted and assembled in the center of the first hub, the center of the second hub and the center of the butt joint middle piece, the side edge of the middle cylinder inserting piece is assembled with the outer side walls of the first hub and the second hub in a supporting mode through a limiting side frame, and a side blocking disc is supported on the outer side of the limiting side frame. The hub of a double structure can be conveniently combined and assembled according to use requirements, the situation that the hub is damaged and cannot be used is avoided, and the operation and use efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of wheel hub technology, specifically to an electric bicycle wheel hub with a dual structure. Background Technology

[0002] The wheel hub is an important component of electric bicycles. With the continuous development of technology, the use of electric bicycles is becoming more and more widespread, and the wheel hub is also constantly evolving. Its functions include supporting the weight of the vehicle, installing tires, transmitting power, and ensuring driving stability. According to the materials, it can be divided into aluminum alloy, steel, and magnesium alloy, etc.

[0003] In response, Chinese patent application number CN202321705311.9 discloses an electric bicycle wheel hub, relating to the field of wheel hub technology. The hub includes a rim, with a wheel rim on both outer sides. The outer side of the rim and the wheel rim form a tire groove. Several connecting rods are fixedly installed on the inner wall of the rim. A support base is fixedly installed between the top ends of the connecting rods. A positioning plate is fixedly installed at one end of the support base. A positioning component is provided on the positioning plate, and a brake disc is installed on the positioning plate via the positioning component.

[0004] However, existing wheel hubs are inconvenient to combine and assemble into dual-structure wheel hubs according to usage needs, which can easily cause damage and render them unusable, affecting operational efficiency.

[0005] Therefore, in order to solve the above problems, a dual-structure electric bicycle hub is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide an electric bicycle wheel hub with a dual structure, so as to solve the problem mentioned in the background art that the existing wheel hubs are inconvenient to combine and assemble into a dual structure according to the needs of use, which easily causes damage and renders them unusable, thus affecting the efficiency of operation and use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an electric bicycle wheel hub with a dual structure, including a first wheel hub, a second wheel hub identical to the first wheel hub is provided on the side of the first wheel hub, and the second wheel hub and the first wheel hub are supported and assembled by a connecting middle part, a middle tube plug is inserted and assembled at the center of the first wheel hub, the second wheel hub and the connecting middle part, and the side of the middle tube plug is supported and assembled with the outer side wall of the first wheel hub and the second wheel hub by a limiting side frame, and a side plug is supported on the outer side of the limiting side frame.

[0008] As a further step of this solution, the inner side of the first wheel hub is supported by a wheel hub inner cylinder, and a wheel hub spoke rod is supported between the wheel hub inner cylinder and the first wheel hub. Wheel hub edge tongues are evenly supported at both ends of the outer side wall of the wheel hub inner cylinder, and support rod edge strips are supported on both sides of the outer wall of the wheel hub spoke rod.

[0009] As a further step of this solution, the docking middle component includes a middle component outer ring assembled between the first wheel hub and the second wheel hub, and a middle component inner cylinder corresponding to the inner cylinder of the wheel hub is provided on the inner side of the middle component outer ring. A middle component spoke corresponding to the wheel hub spoke is supported between the middle component inner cylinder and the middle component outer ring, and corresponding auxiliary edge strips are also provided on the outer walls of both sides of the middle component spoke. The same middle component edge tongue is also uniformly provided on the outer wall of the middle component inner cylinder.

[0010] As a further step of this solution, the inner sides of the middle component tongue and the wheel hub tongue are provided with corresponding auxiliary tongue holes and tongue through holes aligned with each other. Similarly, the inner sides of the wheel hub spokes and support rods are provided with corresponding spoke through holes and auxiliary strip holes aligned with the inner sides of the middle component spokes and auxiliary strips.

[0011] As a further step of this solution, corresponding middle component retaining rings are provided on the outer walls of both sides of the inner cylinder of the middle component, and the middle component retaining rings are engaged inside the inner side of the inner cylinder of the hub, and corresponding inner cylinder side grooves are opened inside the inner side of the inner cylinder of the hub.

[0012] As a further improvement of this solution, the middle tube insert is arranged in the shape of a regular polygon with a cross-section, and the inner cylinder of the wheel hub is provided with a corresponding through groove. The middle tube insert is provided with a corresponding internal assembly cavity. The limiting side bracket includes a side tongue clip, and the side blocking plate is located outside the side tongue clip. The side tongue clip is distributed correspondingly to the wheel hub side tongue. The side end of the middle tube insert is provided with an insert outer groove corresponding to the inner end of the side tongue clip. The middle part of the inner side of the side tongue clip is provided with a side tongue ring corresponding to the inner cylinder side groove.

[0013] As a further step of this solution, the side tongue clip has corresponding assembly through holes inside and outside, and the inner side of the plug-in outer groove has an outer groove through hole corresponding to the assembly through hole. The side plug includes a disc cover, and the outer end of the disc cover has an auxiliary through groove concentric with the central axis of the middle cylinder plug-in. The side wall of the disc cover has a disc hole corresponding to the assembly through hole at the outer end of the side tongue clip.

[0014] As a further step of this solution, the outer wall of the middle part is integrally provided with a plug, and the plug is inserted into the side of the second wheel hub. The side of the second wheel hub has a corresponding insertion hole. The inner side of the plug is provided with an outer piece, and the outer piece is integrally provided with the inner wall of the mating middle part. The outer piece is threaded with a screw pin, and the screw pin is threaded into the outer wall of the insertion hole. The inner end of the plug has a pin groove corresponding to the inner end of the screw pin.

[0015] Compared with the prior art, the advantages of this utility model are: this utility model is easy to combine and assemble into a double-structured wheel hub according to the needs of use, and is not easy to be damaged and unusable, which is beneficial to the efficiency of operation and use;

[0016] 1. This utility model, by providing a second hub and a first hub, facilitates the combination of the first hub and the second hub into a whole under the support of the connecting parts. During assembly and use, the corresponding tires are fitted on the outside of both the second hub and the first hub. If one side is damaged by a nail or other means, the other side can still be used, making operation and use more convenient and efficient. This design improves the convenience and practicality of electric bicycle hubs with a dual structure.

[0017] 2. This utility model, by incorporating a central tube insert, a limiting side frame, and a side blocking plate, facilitates the reinforcement and assembly of the second and first wheel hubs, resulting in greater stability and ease of disassembly and use as needed. This allows for flexible assembly options and multiple choices, enhancing the convenience of use. This design improves the convenience and practicality of electric bicycle wheel hubs with a dual structure. Attached Figure Description

[0018] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a three-dimensional side view sectional diagram of the structure of this utility model;

[0020] Figure 3 This is a side view of the exploded three-dimensional assembly of the structure of this utility model;

[0021] Figure 4 This is a three-dimensional front view cross-sectional view of a partial structure of the docking component of this utility model;

[0022] In the diagram: 100, First hub; 101, Hub inner cylinder; 102, Hub spoke; 103, Hub side tongue; 104, Support rod side strip; 105, Side tongue through hole; 106, Spoke through hole; 107, Inner cylinder side groove; 110, Second hub; 120, Connecting middle component; 121, Middle component outer ring; 122, Middle component inner cylinder; 123, Middle component spoke; 124, Auxiliary side strip; 125, Middle component side tongue; 126, Middle component retaining ring; 127. 128. Auxiliary tongue hole; 130. Auxiliary strip hole; 131. Middle tube insert; 132. Inner assembly cavity; 133. Insert outer groove; 134. Outer groove through hole; 145. Limiting side bracket; 146. Side tongue clip; 147. Side tongue ring; 148. Assembly through hole; 159. Side plug; 150. Disc cover; 151. Auxiliary through groove; 152. Disc hole; 160. Plug; 161. Socket; 162. Outer piece; 163. Screw pin; 164. Pin groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4 One embodiment provided by this utility model:

[0025] An electric bicycle wheel hub with a dual structure includes a first wheel hub 100, a second wheel hub 110 identical to the first wheel hub 100 on its side, and the second wheel hub 110 and the first wheel hub 100 are supported and assembled by a mating center piece 120. A center tube insert 130 is inserted and assembled at the center of the first wheel hub 100, the second wheel hub 110 and the mating center piece 120, and the side of the center tube insert 130 is supported and assembled with the outer side wall of the first wheel hub 100 and the second wheel hub 110 by a limiting side frame 140, and a side block plate 150 is supported on the outer side of the limiting side frame 140.

[0026] As described in more detail in this embodiment, the inner side of the first hub 100 is supported by a hub inner cylinder 101, and a hub spoke 102 is supported between the hub inner cylinder 101 and the first hub 100. Hub side tongues 103 are evenly supported at both ends of the outer side wall of the hub inner cylinder 101, and support rod side strips 104 are supported on both sides of the outer wall of the hub spoke 102. This facilitates auxiliary reinforcement and subsequent limiting support as needed during assembly and use.

[0027] As described in more detail in this embodiment, the docking middle component 120 includes a middle component outer ring 121 assembled between the first wheel hub 100 and the second wheel hub 110, and a middle component inner cylinder 122 corresponding to the wheel hub inner cylinder 101 is provided on the inner side of the middle component outer ring 121. A middle component spoke 123 corresponding to the wheel hub spoke 102 is supported between the middle component inner cylinder 122 and the middle component outer ring 121, and corresponding auxiliary side strips 124 are also provided on the outer walls of both sides of the middle component spoke 123. The same middle component side tongues 125 are also evenly provided on the outer wall of the middle component inner cylinder 122. In this way, during assembly and use, it is convenient to combine and assemble the support between the second wheel hub 110 and the first wheel hub 100 according to the use needs.

[0028] As described in more detail in this embodiment, the inner parts of the middle part tongue 125 and the wheel hub tongue 103 are provided with corresponding auxiliary tongue holes 127 and tongue through holes 105. The inner parts of the wheel hub spokes 102 and the support bar 104 are also provided with corresponding spoke through holes 106 and auxiliary bar holes 128, which are aligned with the inner parts of the middle part spokes 123 and the auxiliary bar 124. In this way, during assembly and use, it is convenient to perform auxiliary screw installation according to the needs of use, so that the support is more stable.

[0029] As described in more detail in this embodiment, corresponding middle part retaining rings 126 are provided on the outer walls of both sides of the middle part inner cylinder 122, and the middle part retaining rings 126 are engaged inside the side of the wheel hub inner cylinder 101. A corresponding inner cylinder side groove 107 is opened inside the side of the wheel hub inner cylinder 101. In this way, it is easier to perform auxiliary positioning and engaging when assembling and using, making operation and use more convenient.

[0030] As described in more detail in this embodiment, the middle tube insert 130 is shaped like a regular polygon with a cross-section, and the inner cylinder 101 of the wheel hub has a corresponding through groove. The middle tube insert 130 has a corresponding inner assembly cavity 131. The limiting bracket 140 includes a side tongue clip 141, and the side blocking plate 150 is located outside the side tongue clip 141. The side tongue clip 141 is distributed correspondingly to the wheel hub side tongue 103. The side end of the middle tube insert 130 has an insert outer groove 132 corresponding to the inner end of the side tongue clip 141. The middle inner side of the side tongue clip 141 has a side tongue ring 142 corresponding to the inner cylinder side groove 107. Thus, during assembly and use, it is convenient to provide auxiliary support for the middle tube insert 130, the second wheel hub 110, and the side of the first wheel hub 100 according to the needs of use, making the limiting assembly more convenient and stable.

[0031] As described in more detail in this embodiment, the side tongue clip 141 has corresponding assembly through holes 143 inside and outside, and the inner side of the plug-in outer groove 132 has an outer groove through hole 133 corresponding to the assembly through hole 143. The side plug 150 includes a disc cover 151, and the outer end of the disc cover 151 has an auxiliary through groove 152 concentric with the central axis of the middle cylinder plug 130. The side wall of the disc cover 151 has a disc hole 153 corresponding to the assembly through hole 143 at the outer end of the side tongue clip 141. In this way, during assembly and use, it is convenient to perform auxiliary assembly to cover the outside according to the use needs, making operation and use more convenient.

[0032] As described in more detail in this embodiment, a plug 160 is integrally provided on the outer wall of the middle component outer ring 121, and the plug 160 is inserted into the side of the second hub 110. A corresponding insertion hole 161 is opened inside the side of the second hub 110. An outer piece 162 is provided on the inner side of the plug 160, and the outer piece 162 is integrally provided with the inner wall of the mating middle component 120. A screw pin 163 is threaded into the inner side of the outer piece 162, and the screw pin 163 is threaded into the outer wall of the insertion hole 161. A pin groove 164 corresponding to the inner end of the plug 160 is opened at the inner end of the screw pin 163. In this way, it is convenient to perform auxiliary limiting docking when needed during assembly and use.

[0033] Working principle: During assembly and use, according to the requirements, the second hub 110 and the first hub 100 are assembled and connected with the mating middle part 120. Then, the hub spokes 102 and the support strips 104 are connected with the middle part spokes 123 and the auxiliary strips 124. They are then fastened with bolts through the spoke through holes 106 and the auxiliary strip holes 128. Similarly, the corresponding hub tongues 103 and the middle part inner cylinder 122 are assembled and connected. Then, the middle cylinder insert 130 is inserted into the hub inner cylinder 101 and the middle part inner cylinder 122, and the limiting side frame 140... With the cooperation of bolts, the side tongue clip 141 is connected to the outer wheel hub side tongue 103 for limiting and docking, which facilitates the subsequent insertion of the shaft and bearing. Then, with the cooperation of the side plug 150, it is covered and assembled on both ends. When assembling and docking the second wheel hub 110 and the first wheel hub 100, the plug 160 provided on the side of the docking middle piece 120 is inserted into the corresponding plug hole 161. Then, the screw 163 is inserted and tightened to strengthen the outward support, making it convenient to use. It forms a double structure, which is convenient for the corresponding tire to be installed for auxiliary use. The operation is now complete.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. An electric bicycle hub with a dual structure, comprising a first hub (100), characterized in that: The first wheel hub (100) has a second wheel hub (110) on its side, which is the same as the first wheel hub (100). The second wheel hub (110) and the first wheel hub (100) are supported and assembled by a mating middle part (120). A middle tube insert (130) is inserted and assembled in the center of the first wheel hub (100), the second wheel hub (110) and the mating middle part (120). The middle tube insert (130) is supported and assembled with the outer side wall of the first wheel hub (100) and the second wheel hub (110) by a limiting side frame (140). A side block plate (150) is supported on the outer side of the limiting side frame (140).

2. The electric bicycle hub with a dual structure according to claim 1, characterized in that: The inner side of the first hub (100) is supported by a hub inner cylinder (101), and a hub spoke (102) is supported between the hub inner cylinder (101) and the first hub (100). Hub tongues (103) are evenly supported at both ends of the outer wall of the hub inner cylinder (101), and support rods (104) are supported on both sides of the outer wall of the hub spoke (102).

3. The electric bicycle hub with a dual structure according to claim 2, characterized in that: The docking middle part (120) includes a middle part outer ring (121) assembled between the first wheel hub (100) and the second wheel hub (110), and a middle part inner cylinder (122) corresponding to the wheel hub inner cylinder (101) is provided on the inner side of the middle part outer ring (121). A middle part spoke (123) corresponding to the wheel hub spoke (102) is supported between the middle part inner cylinder (122) and the middle part outer ring (121), and corresponding auxiliary edge strips (124) are also provided on the outer walls on both sides of the middle part spoke (123). The same middle part edge tongue (125) is also uniformly provided on the outer wall of the middle part inner cylinder (122).

4. The electric bicycle hub with a dual structure according to claim 3, characterized in that: The inner parts of the middle part tongue (125) and the wheel hub tongue (103) are provided with corresponding auxiliary tongue holes (127) and tongue through holes (105). The inner parts of the wheel hub spokes (102) and support bar strips (104) are also provided with corresponding spoke through holes (106) and auxiliary bar holes (128) in alignment with the inner parts of the middle part spokes (123) and auxiliary bar strips (124).

5. The electric bicycle hub with a dual structure according to claim 3, characterized in that: The inner cylinder (122) of the middle part is provided with corresponding middle part retaining rings (126) on both sides of the outer wall, and the middle part retaining rings (126) are engaged in the inner side of the inner cylinder (101) of the hub, and the inner side of the inner cylinder (101) of the hub is provided with corresponding inner cylinder side grooves (107).

6. The electric bicycle hub with a dual structure according to claim 5, characterized in that: The middle tube insert (130) is arranged in the shape of a regular polygon, and the inner cylinder (101) of the wheel hub is provided with a corresponding through groove. The middle tube insert (130) is provided with a corresponding inner assembly cavity (131). The limiting side frame (140) includes a side tongue clip (141), and the side blocking plate (150) is located outside the side tongue clip (141). The side tongue clip (141) is distributed correspondingly to the wheel hub side tongue (103). The side end of the middle tube insert (130) is provided with an insert outer groove (132) corresponding to the inner end of the side tongue clip (141). The middle inner side of the side tongue clip (141) is provided with a side tongue ring (142) corresponding to the inner cylinder side groove (107).

7. The electric bicycle hub with a dual structure according to claim 6, characterized in that: The side tongue clip (141) has corresponding assembly through holes (143) inside and outside, and the inner side of the insert outer groove (132) has an outer groove through hole (133) corresponding to the assembly through hole (143). The side plug (150) includes a disc cover (151), and the outer end of the disc cover (151) has an auxiliary through groove (152) concentric with the central axis of the middle cylinder insert (130), and the side wall of the disc cover (151) has a disc hole (153) corresponding to the assembly through hole (143) at the outer end of the side tongue clip (141).

8. The electric bicycle hub with a dual structure according to claim 3, characterized in that: The outer wall of the outer ring (121) of the middle part is integrally provided with a plug (160), and the plug (160) is inserted into the side of the second hub (110). The side of the second hub (110) is provided with a corresponding insertion hole (161). The inner side of the plug (160) is provided with an outer piece (162), and the outer piece (162) is integrally provided with the inner wall of the mating middle part (120). The outer piece (162) is threaded with a screw (163), and the screw (163) is threaded into the outer wall of the insertion hole (161). The inner end of the plug (160) is provided with a pin groove (164) corresponding to the inner end of the screw (163).

Images