Combined pedal and electric unicycle
Patent Information
- Application Number
- CN202522596716.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-05
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-12-05
AI Technical Summary
但当前大部分独轮车的踏板表面采用砂纸结构,产生的摩擦力有限,在泥沙路面骑行时容易沉积最终失效
[0016]本实用新型的组合踏板的所述盖板上设置的多个所述第二防滑凸起可以提供足够的摩擦力,所述组合踏板还具有由所述第一通孔和所述第二通孔部分重叠组成且依次贯穿所述踏板支架和所述盖板的通孔,即使是在泥沙路面使用,泥沙也可以通过通孔掉落。
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Figure CN224916068U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of unicycle technology, and in particular to a combination pedal and an electric unicycle including the combination pedal. Background Technology
[0002] Electric unicycles have become increasingly popular in recent years as a mode of transportation. They are small in size and environmentally friendly, making them ideal for short-distance commuting within cities. Electric unicycles are electrically powered and self-balancing, greatly facilitating short-distance travel.
[0003] Currently, electric unicycles have two pedals on each side to support the user while standing. However, most unicycle pedals currently use a sandpaper surface, which generates limited friction and is prone to accumulating dirt and sand, eventually causing them to fail. Utility Model Content
[0004] Therefore, it is necessary to provide a combination pedal that can solve the above problems.
[0005] In addition, it is necessary to provide an electric unicycle that includes the aforementioned combination of pedals.
[0006] A combination pedal for mounting on a unicycle to support a user's foot or shoe sole, comprising: a pedal bracket and a cover plate stacked on the pedal bracket and detachably connected to the pedal bracket; The pedal bracket includes a main body and a connecting part disposed on one side of the main body. The main body is provided with a plurality of first through holes, and the side of the main body facing the cover plate is provided with a plurality of first anti-slip protrusions. The cover plate has multiple second anti-slip protrusions on the side away from the main body, and multiple second through holes on the cover plate. When the cover plate is stacked on the pedal bracket, the first anti-slip protrusions are accommodated in the second through holes, and the first through holes and the second through holes partially overlap to form a through hole that passes through the pedal bracket and the cover plate in sequence.
[0007] In one embodiment, the height of the first anti-slip protrusion is less than the depth of the second through hole, so that when the cover plate is stacked on the pedal bracket, the first anti-slip protrusion cannot penetrate the second through hole and be exposed.
[0008] In one embodiment, the body and a plurality of first anti-slip protrusions are integrally formed, and the cover plate and a plurality of second anti-slip protrusions are integrally formed.
[0009] In one embodiment, both the first anti-slip protrusion and the second anti-slip protrusion are rivet-shaped; The height of the first anti-slip protrusion is 2mm~8mm, the top diameter of the first anti-slip protrusion is 1mm~5mm, and the interval between any two first anti-slip protrusions is 20mm~50mm. The height of the second anti-slip protrusion is 2mm to 8mm, the top diameter of the first anti-slip protrusion is 1mm to 5mm, and the interval between any two first anti-slip protrusions is 20mm to 50mm.
[0010] In one embodiment, the pedal bracket is a metal component, and the cover plate is a non-metallic component.
[0011] In one embodiment, an insertion portion is provided on the other side of the main body, and the insertion portion is disposed opposite to the connecting portion; The cover plate is provided with a receiving groove that matches the insertion part. When the cover plate is stacked on the pedal bracket, the bottom of the receiving groove is located below the insertion part, and the side wall of the receiving groove is located outside the insertion part.
[0012] In one embodiment, the two ends of the insertion part are respectively fixedly connected to the two ends of the connecting part by two reinforcing bars.
[0013] In one embodiment, the cover plate is snapped together with the pedal bracket; The cover plate facing the main body is also provided with two locking blocks that match the two ribs. The side of the locking block is provided with a locking groove. When the cover plate is stacked on the pedal bracket, the two locking blocks are located between the two ribs, and the two ribs are respectively locked into the two locking grooves.
[0014] In one embodiment, there are two insertion parts and two connecting parts, and four ribs and four locking blocks.
[0015] An electric unicycle, comprising the aforementioned combination pedals.
[0016] The combined pedal of this utility model has a plurality of second anti-slip protrusions on the cover plate that can provide sufficient friction. The combined pedal also has a through hole formed by the first through hole and the second through hole partially overlapping and passing through the pedal bracket and the cover plate in sequence. Even when used on muddy or sandy roads, mud and sand can fall off through the through hole.
[0017] Compared with traditional combination pedals, the combination pedal of this utility model provides sufficient friction through multiple second anti-slip protrusions during use. Mud and sand can fall through the through holes, reducing the impact of mud and sand accumulation and thus improving friction.
[0018] Furthermore, in the combined pedal of this utility model, the pedal bracket and the cover plate are detachably connected, so that the cover plate can be removed. At this time, the pedal bracket can be used alone. The first anti-slip protrusion on the pedal bracket can provide sufficient friction, and the first through hole can also allow mud and sand to fall off.
[0019] Furthermore, fixed-size pedals are difficult to accommodate the needs of different users, such as differences in foot size and riding style: wide pedals are needed for long-distance, high-speed riding on flat roads, while short pedals are needed for riding on rough, off-road terrain.
[0020] Referring to the accompanying drawings, in the combined pedals of this embodiment, the size of the pedal bracket is smaller than that of the cover plate, thereby enabling the switching between different sized pedals. At the same time, the size of the cover plate can also be adjusted according to actual needs. For example, the cover plate can be configured with different lengths and widths, thereby further enabling the switching between different sized pedals. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] in: Figure 1 This is a three-dimensional structural diagram of the combined pedal in one direction according to the first embodiment.
[0023] Figure 2 For example Figure 1 The diagram shows an exploded view of the combined pedals in one direction.
[0024] Figure 3 For example Figure 1 A three-dimensional structural diagram of the combined pedals from another direction.
[0025] Figure 4 For example Figure 3 The exploded view of the combined pedals from another direction is shown.
[0026] Figure 5 This is a three-dimensional structural diagram of the combined pedal in one direction according to the second embodiment.
[0027] Figure 6 For example Figure 5 The diagram shows an exploded view of the combined pedals in one direction. Detailed Implementation
[0028] 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.
[0029] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4 The present invention discloses a first embodiment of a combined pedal 100, which is used to support the user's feet or shoe soles after being installed on a unicycle. It includes: a pedal bracket 120 and a cover plate 140 that is stacked on the pedal bracket 120 and detachably connected to the pedal bracket 120.
[0030] The pedal bracket 120 includes a main body 122 and a connecting part 124 disposed on one side of the main body 122. The main body 122 is provided with a plurality of first through holes 102, and the side of the main body 122 facing the cover plate 140 is provided with a plurality of first anti-slip protrusions 126.
[0031] The cover plate 140 has multiple second anti-slip protrusions 142 on the side away from the main body 122, and multiple second through holes 104 on the cover plate 140. When the cover plate 140 is stacked on the pedal bracket 120, the first anti-slip protrusion 126 is accommodated in the second through hole 104, and the first through hole 102 and the second through hole 104 partially overlap to form a through hole that passes through the pedal bracket 120 and the cover plate 140 in sequence.
[0032] The combination pedal 100 of this utility model has multiple second anti-slip protrusions 142 provided on the cover plate 140 to provide sufficient friction. The combination pedal 100 also has a through hole composed of a first through hole 102 and a second through hole 104 partially overlapping and passing through the pedal bracket 120 and the cover plate 140 in sequence. Even when used on muddy or sandy roads, mud and sand can fall off through the through hole.
[0033] Compared with traditional combination pedals, the combination pedal of this utility model provides sufficient friction through multiple second anti-slip protrusions 142 during use. Mud and sand can fall through the through holes, which also reduces the impact caused by mud and sand accumulation, thereby improving the friction.
[0034] Furthermore, in the combined pedal of this utility model, the pedal bracket 120 and the cover plate 140 are detachably connected, so that the cover plate 140 can be removed. At this time, the pedal bracket 120 can be used alone. The first anti-slip protrusion 126 on the pedal bracket 120 can provide sufficient friction, and the first through hole 102 can also allow mud and sand to fall off.
[0035] It should be noted that fixed-size pedals are difficult to accommodate the needs of different users, such as differences in foot size and riding style: wide pedals are needed for long-distance, high-speed riding on flat roads, while short pedals are needed for riding on rough, off-road terrain.
[0036] Referring to the accompanying drawings, in the combined pedals of this embodiment, the size of the pedal bracket 120 is smaller than that of the cover plate 140, thereby enabling the switching of different sized pedals. At the same time, the size of the cover plate 140 can also be adjusted according to actual needs. For example, cover plates 140 with different lengths and widths can be set to further enable the switching of different sized pedals.
[0037] In this embodiment, by designing the pedal in a split manner, a cover plate 140 that can be quickly replaced is designed on the basis of the basic pedal bracket 120, which makes it convenient for different users to flexibly select and replace when damaged, and provides a variety of personalized options.
[0038] In this embodiment, the pedal bracket 120 and the cover plate 14 are detachably connected. Specifically, they can be fixed by screws, magnetic attraction, snap fasteners, adhesive, tenon and mortise, pins, threads, etc.
[0039] Specifically, screw fixing involves locking the pedal bracket 120 and the cover plate 14 together with screws; magnetic fixing involves locking the pedal bracket 120 and the cover plate 14 together with magnets; adhesive fixing involves locking the pedal bracket 120 and the cover plate 14 together with adhesive materials such as self-adhesive; buckle fixing involves locking the pedal bracket 120 and the cover plate 14 together with interlocking elastic buckles; mortise and tenon fixing involves locking the pedal bracket 120 and the cover plate 14 together with interlocking mortise and tenon structures; and pin fixing involves locking the pedal bracket 120 and the cover plate 14 together with a pin insertion hole structure.
[0040] Referring to the accompanying drawings, in this embodiment, the height of the first anti-slip protrusion 126 is less than the depth of the second through hole 104, so that when the cover plate 140 is stacked on the pedal bracket 120, the first anti-slip protrusion 126 cannot penetrate the second through hole 104 and be exposed.
[0041] This design is to avoid the first anti-slip protrusion 126 being too high, which would result in a poor user experience when the pedal bracket 120 is used alone.
[0042] Preferably, in this embodiment, the main body 122 and a plurality of first anti-slip protrusions 126 are integrally formed, and the cover plate 140 and a plurality of second anti-slip protrusions 142 are integrally formed.
[0043] This arrangement is intended to improve the bonding strength between the main body 122 and the multiple first anti-slip protrusions 126, as well as the bonding strength between the cover plate 140 and the multiple second anti-slip protrusions 142.
[0044] Preferably, referring to the accompanying drawings, in this embodiment, both the first anti-slip protrusion 126 and the second anti-slip protrusion 142 are rivet-shaped. The rivet shape is smaller at the top and larger at the bottom, thereby improving the mechanical stability of the first anti-slip protrusion 126 and the second anti-slip protrusion 142.
[0045] More preferably, in this embodiment, the height of the first anti-slip protrusion 126 is 2mm to 8mm, the top diameter of the first anti-slip protrusion 126 is 1mm to 5mm, and the interval between any two first anti-slip protrusions 126 is 20mm to 50mm.
[0046] More preferably, in this embodiment, the height of the second anti-slip protrusion 142 is 2mm to 8mm, the top diameter of the first anti-slip protrusion 126 is 1mm to 5mm, and the interval between any two first anti-slip protrusions 126 is 20mm to 50mm.
[0047] Specifically, in this embodiment, the pedal bracket 120 is a metal part, and the cover plate 140 is a non-metallic part.
[0048] The pedal bracket 120 is made of metal. In this embodiment, the pedal bracket 120 is rotatably mounted on the unicycle. Referring to the accompanying drawings, the connecting part 124 is provided with a rotating hole 106 for realizing a rotatable connection.
[0049] Preferably, in conjunction with the accompanying drawings, in this embodiment, an insertion part 128 is provided on the other side of the main body 122, and the insertion part 128 is disposed opposite to the connecting part 124.
[0050] The cover plate 140 is provided with a receiving groove 144 that matches the insertion part 128. When the cover plate 140 is stacked on the pedal bracket 120, the bottom of the receiving groove 144 is located below the insertion part 128, and the side wall of the receiving groove 144 is located outside the insertion part 128.
[0051] At this time, the cover plate 140 wraps around the pedal bracket 120, thereby providing better protection for the pedal bracket and improving its durability.
[0052] More preferably, in conjunction with the accompanying drawings, in this embodiment, the two ends of the insertion part 128 are respectively fixedly connected to the two ends of the connecting part 124 by two reinforcing bars 129.
[0053] In this embodiment, the cover plate 140 is snapped together with the pedal bracket 120.
[0054] Specifically, in this embodiment, the side of the cover plate 140 facing the main body 122 is also provided with two locking blocks 146 that match the two ribs 129. The side of the locking block 146 is provided with a locking groove 148. When the cover plate 140 is stacked on the pedal bracket 120, the two locking blocks 146 are located between the two ribs 129, and the two ribs 129 are respectively locked into the two locking grooves 148.
[0055] Specifically, in this embodiment, the locking block 146 is elastic, so that the two locking blocks 146 can be slightly deformed and inserted between the two reinforcing bars 129, thereby making the snap-fit connection between the cover plate 140 and the pedal bracket 120 more secure.
[0056] Specifically, referring to the accompanying drawings, in this embodiment, when the cover plate 140 is installed and fixed onto the pedal bracket 120, the insertion part 128 is first inserted into the receiving groove 144, and then the two locking blocks 146 are slightly deformed and inserted between the two ribs 129. The two ribs 129 are respectively locked into the two locking slots 148, thereby fixing the cover plate 140 and the pedal bracket 120.
[0057] When it is necessary to install and fix the cover plate 140 to the pedal bracket 120 and then separate them, simply deform the two locking blocks 146 slightly so that the two ribs 129 disengage from the two locking slots 148 respectively. Then, operate to make the two locking blocks 146 disengage from the two ribs 129. Finally, disengage the insertion part 128 from the receiving groove 144, thereby realizing the separation of the cover plate 140 and the pedal bracket 120.
[0058] Based on the above description, the combination pedal 100 of this embodiment is very convenient and quick to install and remove, requiring no tools.
[0059] During normal riding, because the foot is on the cover plate 140, the up-and-down bumps and lateral shearing forces prevent the cover plate 140 from falling off the pedal bracket 120, ensuring stable use.
[0060] Specifically, in this embodiment, there are two insertion parts 128 and two connecting parts 124, and four ribs 129 and four locking blocks 146.
[0061] In other embodiments, the number of insertion parts 128 and connecting parts 124 can be set according to actual needs, and the number of ribs 129 and locking blocks 146 can correspond.
[0062] It should be noted that, in this embodiment, the cover plate 140 can also be designed as two separate parts: the forefoot and the heel, thus facilitating flexible installation and combination by the user.
[0063] Combination Figure 5 and Figure 6The combined pedal 200 of the second embodiment of the present invention is used to support the user's feet or shoe soles after being installed on a unicycle. It includes: pedal bracket 220 and cover plate 240 stacked on pedal bracket 220 and detachably connected to pedal bracket 220.
[0064] The pedal bracket 220 includes a main body 222 and a connecting part 224 disposed on one side of the main body 222. The main body 222 is provided with a plurality of first through holes 202, and the side of the main body 222 facing the cover plate 240 is provided with a plurality of first anti-slip protrusions 226.
[0065] The cover plate 240 has multiple second anti-slip protrusions 242 on the side away from the main body 222, and multiple second through holes 204 on the cover plate 240. When the cover plate 240 is stacked on the pedal bracket 220, the first anti-slip protrusion 226 is accommodated in the second through hole 204, and the first through hole 202 and the second through hole 204 partially overlap to form a through hole that passes through the pedal bracket 220 and the cover plate 240 in sequence.
[0066] The combination pedal 200 of this utility model has multiple second anti-slip protrusions 242 provided on the cover plate 240 to provide sufficient friction. The combination pedal 200 also has a through hole composed of a first through hole 202 and a second through hole 204 partially overlapping and passing through the pedal bracket 220 and the cover plate 240 in sequence. Even when used on muddy or sandy roads, mud and sand can fall off through the through hole.
[0067] Compared with traditional combination pedals, the combination pedal of this utility model can provide sufficient friction when in use, with multiple second anti-slip protrusions 242. Mud and sand can fall through the through holes, which also reduces the impact caused by mud and sand accumulation, thereby improving the friction.
[0068] In addition, in the combined pedal of this utility model, the pedal bracket 220 and the cover plate 240 are detachably connected, so that the cover plate 240 can be removed. At this time, the pedal bracket 220 can be used alone. The first anti-slip protrusion 226 on the pedal bracket 220 can provide sufficient friction, and the first through hole 202 can also allow mud and sand to fall off.
[0069] It should be noted that fixed-size pedals are difficult to accommodate the needs of different users, such as differences in foot size and riding style: wide pedals are needed for long-distance, high-speed riding on flat roads, while short pedals are needed for riding on rough, off-road terrain.
[0070] Referring to the accompanying drawings, in the combined pedals of this embodiment, the size of the pedal bracket 220 is smaller than that of the cover plate 240, thereby enabling the switching of different sized pedals. At the same time, the size of the cover plate 240 can also be adjusted according to actual needs. For example, cover plates 240 with different lengths and widths can be provided to further enable the switching of different sized pedals.
[0071] In this embodiment, by designing the pedal in a split manner, a cover plate 240 that can be quickly replaced is designed on the basis of the basic pedal bracket 220, which makes it convenient for different users to flexibly select and replace when damaged, and provides a variety of personalized options.
[0072] Specifically, the only difference between the combination pedal 200 and the combination pedal 100 in this embodiment is the size of the cover plate 240 and the cover plate 140.
[0073] Specifically, cover plate 240 is smaller than cover plate 140, and pedal bracket 220 and pedal bracket 120 are exactly the same.
[0074] In other words, in terms of size, cover plate 140 > cover plate 240 > pedal bracket 120 (220).
[0075] Preferably, in this embodiment, the combination pedal 200 also includes a cover plate 140. At this time, the user can choose the cover plate 140 + pedal bracket 120, cover plate 240 + pedal bracket 220, or pedal bracket 120 (220) that best suits their needs according to their foot size and riding style.
[0076] The combination pedal 100 of this embodiment can be applied to a unicycle. For example, the following description will take the application of the combination pedal 100 of this embodiment to an electric unicycle as an example.
[0077] This utility model also discloses an embodiment of an electric unicycle, including the aforementioned combination pedals 100 and 200.
[0078] Combination pedals 100 and 200 are used for electric unicycles, providing users with stable and reliable support when standing.
[0079] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0080] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.
[0081] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0082] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A combination pedal for mounting on a unicycle to support the user's feet or shoe soles, characterized in that, include: A pedal bracket and a cover plate that is stacked on the pedal bracket and detachably connected to the pedal bracket; The pedal bracket includes a main body and a connecting part disposed on one side of the main body. The main body is provided with a plurality of first through holes, and the side of the main body facing the cover plate is provided with a plurality of first anti-slip protrusions. The cover plate has multiple second anti-slip protrusions on the side away from the main body, and multiple second through holes on the cover plate. When the cover plate is stacked on the pedal bracket, the first anti-slip protrusions are accommodated in the second through holes, and the first through holes and the second through holes partially overlap to form a through hole that passes through the pedal bracket and the cover plate in sequence.
2. The combined pedal according to claim 1, characterized in that, The height of the first anti-slip protrusion is less than the depth of the second through hole, so that when the cover plate is stacked on the pedal bracket, the first anti-slip protrusion cannot penetrate the second through hole and be exposed.
3. The combined pedal according to claim 2, characterized in that, The main body and the plurality of first anti-slip protrusions are integrally formed, and the cover plate and the plurality of second anti-slip protrusions are integrally formed.
4. The combined pedal according to claim 3, characterized in that, Both the first anti-slip protrusion and the second anti-slip protrusion are rivet-shaped; The height of the first anti-slip protrusion is 2mm~8mm, the top diameter of the first anti-slip protrusion is 1mm~5mm, and the interval between any two first anti-slip protrusions is 20mm~50mm. The height of the second anti-slip protrusion is 2mm to 8mm, the top diameter of the first anti-slip protrusion is 1mm to 5mm, and the interval between any two first anti-slip protrusions is 20mm to 50mm.
5. The combined pedal according to claim 4, characterized in that, The pedal bracket is a metal part, while the cover plate is a non-metallic part.
6. The combined pedal according to any one of claims 1 to 5, characterized in that, An insertion part is provided on the other side of the main body, and the insertion part is disposed opposite to the connecting part; The cover plate is provided with a receiving groove that matches the insertion part. When the cover plate is stacked on the pedal bracket, the bottom of the receiving groove is located below the insertion part, and the side wall of the receiving groove is located outside the insertion part.
7. The combined pedal according to claim 6, characterized in that, The two ends of the insertion part are respectively fixedly connected to the two ends of the connecting part by two reinforcing bars.
8. The combined pedal according to claim 7, characterized in that, The cover plate is snapped together with the pedal bracket; The cover plate facing the main body is also provided with two locking blocks that match the two ribs. The side of the locking block is provided with a locking groove. When the cover plate is stacked on the pedal bracket, the two locking blocks are located between the two ribs, and the two ribs are respectively locked into the two locking grooves.
9. The combined pedal according to claim 8, characterized in that, There are two insertion parts and two connecting parts, and four ribs and four locking blocks.
10. An electric unicycle, characterized in that, Includes the combination pedal as described in any one of claims 1 to 9.