Pedal structure convenient to install

By introducing guide components and locking components into the bicycle pedals, the problem of rapid installation and removal of foot pedals and cranks is solved, and rapid toolless conversion is achieved, and portability and connection stability are improved.

CN119305666APending Publication Date: 2025-01-14HANGZHOU YONGHUA BICYCLE EQUIP CO LTD
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Patent Information

Application Number
CN202411259986.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-01-14

AI Technical Summary

Technical Problem

Existing bicycle pedals are difficult to quickly install and disassemble with the crank, resulting in low portability and the inability to quickly switch states without tools.

Method used

A structure including a crank and a pedal shaft is designed, and connected to the reinforcement seat through a guide assembly. The crank is detached and connected to the pedal shaft through a locking assembly, which realizes rapid installation and removal without tools, and improves connection stability through a locking plug rod and reset structure. Sex and efficiency.

Benefits of technology

The pedals can be quickly installed and removed without the help of tools, which improves portability, ensures connection strength and drive stability, simplifies operation and improves installation stability.

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Abstract

The invention discloses a pedal plate structure capable of being installed conveniently. The pedal plate structure capable of being installed conveniently can be rapidly installed on or detached from a crank so as to improve the portability. The device comprises a crank and a pedal shaft, the pedal shaft is connected with a guide assembly, the crank is detachably connected with a reinforcing seat, the crank is movably connected with a locking assembly, the pedal shaft is connected with the reinforcing seat through the guide assembly, and the crank is detachably connected with the pedal shaft through the locking assembly. The pedal has the beneficial effects that the pedal can be quickly mounted on and dismounted from the crank without a tool; the portability of the pedal is improved; the connection strength between the pedal and the crank and the driving stability of the pedal are guaranteed; the operation is simple, the connection strength is high, and the installation stability of the pedal is improved; the connection efficiency and precision of the pedal and the crank are improved; the structure is protected, the service life of the structure is prolonged, and long-time portable use can be achieved.
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Description

Technical Field

[0001] The invention relates to the technical field of bicycles, in particular to a portable installed pedal structure. Background Art

[0002] The driving assembly of the bicycle includes a pedal structure, which includes a pedal and a crank arm connecting the pedal body and the bicycle body. For ordinary bicycles and folding bicycles, since the pedal body protrudes from the bicycle body from two sides, it is usually connected and installed when in use. When transporting or folding, it needs to be disassembled for easy carrying. Therefore, the convenience of installation and disassembly is very important for the pedal converted into a portable state.

[0003] Chinese Patent Authorization Announcement Number: CN 110944903 B, Authorization Announcement Date August 17, 2021. The present invention relates to a folding bicycle, comprising a frame having a front frame portion and a rear frame portion (A), wherein a front wheel (1) is mounted on the front frame portion, and a rear wheel (2) is mounted on the rear frame portion (A). The front frame portion comprises an upper rod (10), a seat rod (5) and an inclined rod. The rear frame portion comprises at least one seat support (8), at least one lower rod (9) and a seat rod (5). The inclined rod comprises an upper inclined rod (14) and a lower inclined rod (15). The disadvantage of this technical solution is that the pedals or crank arms cannot be quickly folded or removed, resulting in a reduction in the foldability and portability of the pedals.

[0004] Chinese Patent Authorization Announcement No.: CN 102712345 B, Authorization Announcement Date: November 5, 2014. The present invention relates to a bicycle pedal that is easy to disassemble and has improved driving force. In the bicycle pedal, it is characterized by comprising: a pedal frame, which is arranged to rotate around the pedal shaft; and a locking component, which is formed on one side of the pedal frame. The disadvantage of this technical solution is that the pedal shaft needs to be connected to and removed from the crank by tools, which makes the threshold for achieving portability of the pedal higher, and it is impossible to quickly install and remove it on the crank, and it is difficult to meet the portability requirements in the case of insufficient tools or temporary situations.

[0005] In summary, the existing pedals have the disadvantages of being difficult to quickly assemble and disassemble with the cranks, resulting in low portability. Summary of the invention

[0006] The present invention aims to overcome the shortcomings of the prior art that the pedal is difficult to quickly install and disassemble with the crank, resulting in low portability, and provides a portable pedal structure that can be quickly installed or disassembled with the crank to improve portability.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions: A portable pedal structure includes a crank and a pedal shaft, wherein the pedal shaft is connected to a guide assembly, the crank is detachably connected to a reinforcement seat, the crank is movably connected to a locking assembly, the pedal shaft is connected to the reinforcement seat via the guide assembly, and the crank is detachably connected to the pedal shaft via the locking assembly.

[0008] One end of the pedal shaft is connected to the pedal, and the other end is connected to the crank, wherein the crank is detachably connected with a reinforcement seat, so that the reinforcement seat is easy to disassemble and maintain after damage; the pedal shaft is installed on the crank by connecting with the reinforcement seat, so that the connection strength between the crank and the pedal shaft is increased, and the force strength of the connection between the pedal shaft and the crank can be increased to prevent breakage when riding; the pedal shaft is connected to the reinforcement shaft quickly and in a fixed position through a guide component, which is convenient for the rapid removal and installation of the pedal, thereby improving the portability of the pedal; the crank is detachably connected to the pedal shaft through a locking component, so that the portable pedal can ensure installation stability. The pedal can be quickly installed and removed from the crank without the help of tools, the portability of the pedal is improved, and the connection strength between the pedal and the crank and the driving stability of the pedal are guaranteed.

[0009] Preferably, the crank is provided with a fixing groove, the fixing groove is provided with an internal thread, the surface of one end of the reinforcement seat is provided with an external thread, the reinforcement seat is threadedly connected to the fixing groove, and the cross-sectional shape of the other end of the reinforcement seat is a polygonal column. The crank is screwed to the reinforcement seat through the fixing groove, so that the reinforcement seat can be installed quickly and stably. At the same time, the structural shape of one end of the reinforcement seat extending out of the fixing groove is a prismatic structure, so that it is easy to screw into the reinforcement seat during pre-installation to prepare for connection with the pedal, and it is easy to quickly screw out and replace it during later maintenance to prevent affecting the use efficiency of the pedal. The effect of ensuring the disassembly and assembly efficiency and connection stability of the reinforcement seat is achieved.

[0010] Preferably, the reinforcing seat is provided with a mounting groove, the pedal shaft is plugged into the mounting groove, the end of the pedal shaft is provided with a connecting groove, the reinforcing seat is provided with a locking groove, the locking groove is communicated with the mounting groove, the locking assembly includes a locking rod and a reset structure, the reset structure is detachably connected to the crank, one end of the locking rod is connected to the reset structure, and the other end of the locking rod passes through the locking groove and is plugged into the connecting groove. The mounting groove is placed on the end face of the reinforcing seat, the locking groove is placed on the side of the reinforcing seat and is communicated with the mounting groove, after the reinforcing seat is stably installed, one end of the locking groove is arranged opposite to the locking rod, and the other end is arranged opposite to the connecting groove, so that the locking rod is connected to the connecting groove through the reset structure on the crank, and then the pedal shaft is connected to the reinforcing seat as a whole, and the vertical locking force of the locking rod is used to prevent the pedal shaft from being pulled out of the mounting groove, so that the pedal shaft stably supports and connects the pedal. The locking operation is simple, the connection strength is high, and the installation stability of the pedal is improved.

[0011] Preferably, the reset structure includes a slider and an elastic mechanism, the crank is provided with a socket, the socket is connected to the locking groove, the hole wall of the socket is provided with a slide groove, one end of the elastic mechanism is connected to the slide groove, the other end of the elastic mechanism is connected to the slider, the slider is slidably connected to the slide groove, and the slider is connected to the locking rod. The socket and the locking groove are arranged relative to each other on the reinforcing seat mounting seat, the slider of the reset structure is slidably connected on the socket to enable the locking rod to move in a guided manner, and then accurately positioned and inserted into the locking groove and the connecting groove, while the elastic mechanism enables the slider to move elastically, and then the connecting groove can be automatically popped out after the force on the locking rod stops, so that the pedal shaft can be quickly taken out, so as to facilitate the rapid removal of the pedal. The efficiency and accuracy of the connection between the pedal and the crank and the effect of quickly disassembling the pedal are achieved.

[0012] Preferably, the locking assembly includes a fixed sleeve, the fixed sleeve is provided with a sliding hole, the fixed sleeve is connected with the crank through the sliding hole, the locking rod is provided with a guiding inclined surface, the fixed sleeve is slidably connected with the guiding inclined surface, the fixed sleeve is provided with a positioning groove, and the locking rod is plugged into the positioning groove. The fixed sleeve is sleeved on the crank through the sliding hole and can move back and forth, so that the fixed sleeve presses the locking rod into the connecting groove along the guiding inclined surface during movement. In addition, the inner wall of the fixed sleeve is provided with a positioning groove so that the tip of the locking rod is inserted and connected with the positioning groove, thereby realizing the positioning of the fixed sleeve and the connection can be quickly operated by hand. At the same time, the locking rod provides friction and reaction force to the fixed sleeve to prevent the fixed sleeve from automatically slipping off. The effect of further improving the pedal connection efficiency and accuracy and improving the connection stability between structures is achieved.

[0013] Preferably, the crank includes four sides, the fixing groove is placed on one side of the crank, the other two opposite sides of the crank are provided with jacks, the fixing sleeve is provided with a clearance hole, the clearance hole is connected to the sliding hole, and the width of the clearance hole is adapted to the size of the reinforcing seat. The crank is a nearly prismatic structure and includes four sides, the fixing groove is placed on one side for connecting with the reinforcing seat, the other two opposite sides are provided with jacks for installing the locking assembly, the reinforcing seat is provided with a locking groove corresponding to the locking assembly, and the pedal shaft is provided with a connecting groove corresponding to the locking groove, thereby realizing the synchronous locking or release of the two directions of the pedal shaft during sliding through the fixing sleeve. The effect of further improving the connection strength and operating efficiency of the pedal shaft is achieved.

[0014] Preferably, the guide assembly includes a guide strip and a positioning block. The groove wall of the installation groove is provided with a guide slot. The groove bottom of the guide slot is provided with a positioning slot. The guide strip is connected to the side of the pedal shaft. The positioning block is connected to the end face of the pedal shaft. The guide strip is plugged into the guide slot. The positioning block is plugged into the positioning slot. The widths of the guide slots and guide strips are different. The cross-sectional shapes of the positioning block and the positioning slot are both prismatic. There are a number of guide strips in the guide assembly and they are arranged on the side of the pedal shaft. The orientation block is connected to the end face of the pedal shaft. The connection strength of the structure is improved by connecting the guide strip with the guide slot of the groove wall of the installation groove and the positioning block with the positioning slot. At the same time, different guide strip specifications are connected with the corresponding guide slots, and the positioning block of the prismatic structure is connected with the positioning slot to ensure that the precise position of the connecting groove corresponds to the locking groove. This achieves the effect of realizing a foolproof structural design and thus improving installation efficiency for quick installation.

[0015] Preferably, the fixed shell is provided with an anti-skid groove 1, which is in the shape of a long strip. The anti-skid groove 1 is evenly arranged on the side of the fixed shell, and the arrangement direction of the anti-skid groove 1 is perpendicular to the moving direction of the fixed shell. The anti-skid groove 1 is placed on the outer surface of the fixed shell and is provided in a plurality of them. At the same time, the extension direction of the anti-skid groove 1, which is in the shape of a long strip, is perpendicular to the sliding direction of the fixed shell on the crank, so as to facilitate the fast reciprocating sliding of the fixed shell through the friction force increased by the anti-skid groove 1. This further improves the efficiency of disassembly and installation of the pedal and thus improves portability.

[0016] Preferably, the pedal shaft is provided with a second anti-skid groove, the second anti-skid groove is in a ring shape, and the second anti-skid groove is evenly arranged on the circumference of the pedal shaft, and the arrangement direction of the second anti-skid groove is perpendicular to the installation direction of the pedal shaft. The surface of the pedal shaft is provided with a plurality of second anti-skid grooves, and the annular second anti-skid grooves are arranged along the circumference of the pedal shaft to provide greater friction to prevent slipping when installing and removing the pedal. This further improves the efficiency of removing and installing the pedal and thus improves portability.

[0017] Preferably, the pedal shaft is sleeved with a sealing sleeve, the sealing sleeve is provided with a limited groove, the reinforcing seat is engaged with the limited groove, the gap between the reinforcing seat and the fixed sleeve is set as a sealing groove, and the sealing sleeve is engaged with the sealing groove. The pedal shaft is sleeved with the sealing sleeve, and through the installation of the pedal shaft, the sealing sleeve seals the connection between the pedal shaft and the reinforcing seat, and the connection between the reinforcing seat and the crank, thereby preventing liquid from entering the structure to cause corrosion and damage. The effect of protecting the structure, extending the service life of the structure, and enabling long-term portable use is achieved.

[0018] The beneficial effects of the present invention are: the pedal can be quickly installed and disassembled on the crank without the aid of tools; the portability of the pedal is improved; the connection strength between the pedal and the crank and the pedal driving stability are guaranteed; the operation is simple, the connection strength is high, and the installation stability of the pedal is improved; the efficiency and accuracy of the connection between the pedal and the crank are improved; the structure is protected, the service life of the structure is extended, and it can be used portablely for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a stereogram of the present invention; Figure 2 yes Figure 1 A cross-sectional view of Figure 3 It is a structural schematic diagram of a fixed casing; Figure 4 It is a schematic diagram of the structure of the crank; Figure 5 It is a schematic diagram of the structure of the pedal shaft; Figure 6 It is a structural diagram of the reinforcement seat.

[0020] In the figure: 1. crank, 2. pedal shaft, 3. reinforcement seat, 4. fixing groove, 5. mounting groove, 6. connecting groove, 7. locking groove, 8. locking rod, 9. slider, 10. elastic mechanism, 11. jack, 12. slide groove, 13. fixed sleeve, 14. slide hole, 15. guide slope, 16. positioning groove, 17. clearance hole, 18. guide strip, 19. positioning block, 20. guide slot, 21. positioning groove, 22. anti-skid groove 1, 23. anti-skid groove 2, 24. sealing sleeve, 25. limiting groove, 26. sealing groove, 27. sealing strip. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0023] Unless otherwise specified, the relative arrangement of the components, numerical expressions and numerical values ​​described in these embodiments do not limit the scope of the present application. For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" are used in the embodiments to illustrate the relationship between an element or feature shown in the figure and another element or feature. It should be understood that, in addition to the orientation shown in the figure, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, the element described as being "under" other elements or features will be fixed "on" other elements or features. Therefore, the exemplary term "lower" can include both upper and lower orientations. The device can be fixed in other ways (rotated 90 degrees or located in other orientations), and the spatial relative description used here can be interpreted accordingly. At the same time, it should be understood that for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, process and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, process and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.It should be noted that similar reference numerals and letters denote similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0024] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0025] Embodiment 1: like Figure 1 , 2 As shown, a portable installed pedal structure includes a crank 1 and a pedal shaft 2, the pedal shaft 2 is connected to a guide assembly, the crank 1 is detachably connected to a reinforcement seat 3, the crank 1 is movably connected to a locking assembly, the pedal shaft 2 is connected to the reinforcement seat 3 through the guide assembly, and the crank 1 is detachably connected to the pedal shaft 2 through the locking assembly.

[0026] like Figure 2 , 6 As shown, the crank 1 is provided with a fixing groove 4, the fixing groove 4 is provided with an internal thread, the surface of one end of the reinforcing seat 3 is provided with an external thread, the reinforcing seat 3 is threadedly connected to the fixing groove 4, and the cross-sectional shape of the other end of the reinforcing seat 3 is a polygonal column.

[0027] like Figure 2 , 4 As shown, the reinforcing seat 3 is provided with a mounting groove 5, the pedal shaft 2 is plugged into the mounting groove 5, the end of the pedal shaft 2 is provided with a connecting groove 6, the reinforcing seat 3 is provided with a locking groove 7, the locking groove 7 is connected to the mounting groove 5, the locking assembly includes a locking rod 8 and a reset structure, the reset structure is detachably connected to the crank 1, one end of the locking rod 8 is connected to the reset structure, and the other end of the locking rod 8 passes through the locking groove 7 and is plugged into the connecting groove 6. The reset structure includes a slider 9 and an elastic mechanism 10, the crank 1 is provided with a socket 11, the socket 11 is connected to the locking groove 7, the hole wall of the socket 11 is provided with a slide groove 12, one end of the elastic mechanism 10 is connected to the slide groove 12, the other end of the elastic mechanism 10 is connected to the slider 9, the slider 9 is slidably connected to the slide groove 12, and the slider 9 is connected to the locking rod 8.

[0028] like Figure 2-4 As shown, the locking assembly includes a fixed sleeve 13, which is provided with a sliding hole 14. The fixed sleeve 13 is sleeved with the crank 1 through the sliding hole 14. The locking rod 8 is provided with a guiding inclined surface 15. The fixed sleeve 13 is slidingly connected with the guiding inclined surface 15. The fixed sleeve 13 is provided with a positioning groove 16. The locking rod 8 is inserted into the positioning groove 16.

[0029] like Figure 3 , 4 As shown, the crank 1 includes four side surfaces, the fixing groove 4 is disposed on one side of the crank 1, and the other two opposite side surfaces of the crank 1 are provided with a plug hole 11, and the fixing sleeve 13 is provided with a clearance hole 17, which is connected to the sliding hole 14, and the width of the clearance hole 17 is adapted to the size of the reinforcing seat 3.

[0030] like Figure 2 , 5 6, the guide assembly includes a guide strip 18 and a positioning block 19, the groove wall of the mounting groove 5 is provided with a guide slot 20, the groove bottom of the guide slot 20 is provided with a positioning slot 21, the guide strip 18 is connected to the side of the pedal shaft 2, the positioning block 19 is connected to the end face of the pedal shaft 2, the guide strip 18 is plugged into the guide slot 20, the positioning block 19 is plugged into the positioning slot 21, the widths of the guide slots 20 and the guide strips 18 are different, and the cross-sectional shapes of the positioning blocks 19 and the positioning slots 21 are both prismatic.

[0031] like Figure 1 , 3As shown, the fixed shell 13 is provided with an anti-skid groove 22 , the anti-skid groove 22 has a long strip shape, and the anti-skid groove 22 is evenly arranged on the side of the fixed shell 13 , and the arrangement direction of the anti-skid groove 22 is perpendicular to the moving direction of the fixed shell 13 .

[0032] like Figure 1 , 5 As shown, the pedal shaft 2 is provided with an anti-skid groove 23 , the anti-skid groove 23 has a ring shape, and the anti-skid groove 23 is evenly arranged on the circumference of the pedal shaft 2 , and the arrangement direction of the anti-skid groove 23 is perpendicular to the installation direction of the pedal shaft 2 .

[0033] like Figure 2 As shown, the pedal shaft 2 is sleeved with a sealing sleeve 24, which is provided with a limiting groove 25, the reinforcing seat 3 is engaged with the limiting groove 25, the gap between the reinforcing seat 3 and the fixed sleeve 13 is set as a sealing groove 26, and the sealing sleeve 24 is engaged with the sealing groove 26.

[0034] like Figure 1-6 As shown: the crank surface is connected with a sealing strip 27, which is in contact with the inner wall edge of the fixed sleeve 13, so that the inner cavity (sliding hole 14) of the fixed sleeve 13 is sealed after the fixed sleeve 13 is positioned and connected to prevent liquid from entering and causing corrosion. The sealing sleeve 24 and the sealing groove 26 are both made of rubber material, so as to have sealing and deformable properties for easy use.

[0035] The tip of the locking rod 8 is V-shaped, and the positioning groove 16 is a groove structure with a shallow depth, so that the locking rod 8 can be subjected to a certain resistance from the positioning groove 16, but can slide out of the positioning groove 16 when subjected to a greater external force, thereby achieving the positioning effect and facilitating operation.

[0036] The end edges of the pedal shaft 2, the reinforcing seat 3, the locking rod 8 and the fixing sleeve 13 are arc-shaped structures to achieve rapid docking between the various structures, improve the connection efficiency, and facilitate installation and disassembly during portable use.

[0037] The end of the elastic mechanism 10 is welded to the bottom of the slide groove 12. After the elastic fatigue of the elastic mechanism 10, the elastic mechanism 10 can be directly pulled out and replaced with a new one to maintain continuous and accurate resetting operation.

[0038] Before using the foot pedal, the reinforcement seat 3 is pre-installed: the reinforcement seat 3 is screwed into the fixing groove 4 through threads until it is tightened, and at this time, the locking groove 7 corresponds to the sliding groove 12.

[0039] When in use: install the pedal to be carried on the bicycle body: insert the pedal shaft 2 into the installation groove 5, slide the fixing cover 13 toward the pedal shaft 2 until resistance is felt, and the pedal is quickly installed. When removing and carrying: reset the fixing cover 13, pull out the pedal shaft 2, and then carry the pedal.

[0040] During the installation, before the pedal shaft 2 is inserted into the installation groove 5, the guide strip 18 and the guide slot 20 with matching specifications are inserted to the bottom. At this time, the positioning block 19 is inserted into the positioning groove 21. At the same time, each group of connecting grooves 6, locking grooves 7, and sockets 11 correspond to each other up and down. The locking rod 8 is placed above the connecting groove 6 under the support of the elastic force of the elastic mechanism 10 (using a spring) on ​​the slider 9. The fixed sleeve 13 is moved so that the fixed sleeve 13 gradually presses the locking rod 8 into the connecting groove 6 along the guide inclined surface 15. During this period, the slider 9 overcomes the elastic force of the elastic mechanism 10 and moves in the slide groove 12 until the fixed sleeve 13 is subjected to the resistance of the locking rod 8 entering the positioning groove 16. The two sets of relative locking rods 8 lock the pedal shaft 2 at the same time, and the installation and fixation of the foot pedal are completed.

[0041] When disassembling the pedal for carrying: slide the fixing cover 13 with force so that the tip of the locking rod 8 overcomes the resistance of the positioning groove 16, and the fixing cover 13 is reset and moved on the crank 1 until the locking rod 8 is completely exposed. One end of the locking rod 8 pops out of the socket 11 under the elastic force of the elastic mechanism 10 on the slider 9, and then the other ends of the two sets of locking rods 8 leave the connecting groove 6, and the pedal shaft 2 can be pulled out to remove the pedal and carry it.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A portable footrest structure, characterized in that: The invention comprises a crank (1) and a pedal shaft (2), wherein the pedal shaft (2) is connected to a guide assembly, the crank (1) is detachably connected to a reinforcement seat (3), the crank (1) is movably connected to a locking assembly, the pedal shaft (2) is connected to the reinforcement seat (3) via the guide assembly, and the crank (1) is detachably connected to the pedal shaft (2) via the locking assembly.

2. A portable mounted foot pedal structure according to claim 1, characterized in that: The crank (1) is provided with a fixing groove (4), the fixing groove (4) is provided with an internal thread, a surface of one end of the reinforcing seat (3) is provided with an external thread, the reinforcing seat (3) is threadedly connected to the fixing groove (4), and the cross-section of the other end of the reinforcing seat (3) is in the shape of a polygonal column.

3. A portable foot pedal structure according to claim 2, characterized in that: The reinforcing seat (3) is provided with a mounting groove (5), the pedal shaft (2) is plugged into the mounting groove (5), the end of the pedal shaft (2) is provided with a connecting groove (6), the reinforcing seat (3) is provided with a locking groove (7), the locking groove (7) is communicated with the mounting groove (5), the locking assembly comprises a locking rod (8) and a reset structure, the reset structure is detachably connected to the crank (1), one end of the locking rod (8) is connected to the reset structure, and the other end of the locking rod (8) passes through the locking groove (7) and is plugged into the connecting groove (6).

4. A portable mounted foot pedal structure according to claim 3, characterized in that: The reset structure comprises a slider (9) and an elastic mechanism (10); the crank (1) is provided with a socket (11); the socket (11) is connected to the locking groove (7); a sliding groove (12) is provided on the hole wall of the socket (11); one end of the elastic mechanism (10) is connected to the sliding groove (12); the other end of the elastic mechanism (10) is connected to the slider (9); the slider (9) is slidably connected to the sliding groove (12); and the slider (9) is connected to the locking rod (8).

5. A portable mounted foot pedal structure according to claim 4, characterized in that: The locking assembly comprises a fixed sleeve (13), the fixed sleeve (13) being provided with a sliding hole (14), the fixed sleeve (13) being sleeved with the crank (1) via the sliding hole (14), the locking rod (8) being provided with a guiding inclined surface (15), the fixed sleeve (13) being slidably connected with the guiding inclined surface (15), the fixed sleeve (13) being provided with a positioning groove (16), the locking rod (8) being inserted into the positioning groove (16).

6. A portable mounted foot pedal structure according to claim 5, characterized in that: The crank (1) comprises four side surfaces, the fixing groove (4) is disposed on one side of the crank (1), the other two opposite side surfaces of the crank (1) are each provided with an insertion hole (11), the fixing sleeve (13) is provided with a clearance hole (17), the clearance hole (17) is connected to the sliding hole (14), and the width of the clearance hole (17) is adapted to the size of the reinforcing seat (3).

7. A portable mounted foot pedal structure according to claim 1, characterized in that: The guide assembly comprises a guide insert (18) and a positioning block (19); a guide slot (20) is provided on the slot wall of the mounting slot (5); a positioning slot (21) is provided on the slot bottom of the guide slot (20); the guide insert (18) is connected to the side surface of the pedal shaft (2); the positioning block (19) is connected to the end surface of the pedal shaft (2); the guide insert (18) is plugged into the guide slot (20); the positioning block (19) is plugged into the positioning slot (21); the widths of the guide slots (20) and the guide inserts (18) are different; and the cross-sectional shapes of the positioning block (19) and the positioning slot (21) are both prismatic.

8. A portable mounted foot pedal structure according to claim 6, characterized in that: The fixed shell (13) is provided with an anti-skid groove (22). The anti-skid groove (22) is in the shape of an elongated strip. The anti-skid groove (22) is evenly arranged on the side of the fixed shell (13). The arrangement direction of the anti-skid groove (22) is perpendicular to the moving direction of the fixed shell (13).

9. A portable mounted foot pedal structure according to claim 1, characterized in that: The pedal shaft (2) is provided with a second anti-skid groove (23), the structural shape of the second anti-skid groove (23) is a ring shape, the second anti-skid groove (23) is evenly arranged on the circumference of the pedal shaft (2), and the arrangement direction of the second anti-skid groove (23) is perpendicular to the installation direction of the pedal shaft (2).

10. A portable mounted foot pedal structure according to claim 8, characterized in that: The pedal shaft (2) is sleeved with a sealing sleeve (24), the sealing sleeve (24) is provided with a limiting groove (25), the reinforcing seat (3) is engaged with the limiting groove (25), the gap between the reinforcing seat (3) and the fixed sleeve (13) is provided as a sealing groove (26), and the sealing sleeve (24) is engaged with the sealing groove (26).

Citation Information

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