Vehicle locking device of buried non-motor vehicle
By designing underground non-motor vehicle locking devices, the existing locks occupy space and are prone to theft are solved, efficient anti-theft and intelligent management are achieved, and the safety experience of car owners is improved.
Patent Information
- Application Number
- CN202411490184.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2044-10-24
AI Technical Summary
The existing ground-mounted non-motor vehicle locks occupy public space and are easily stolen and damaged, making it difficult to meet the safety and anti-theft needs of car owners.
A buried non-motor vehicle locking device is designed, including a lock shell buried underground and vertically arranged, and an embedded pull-out lock. Through the combination of lock head, chain and lock tail, locking and unlocking are achieved, and indicator lights and operating procedures are equipped to support remote monitoring.
It reduces space occupation, improves anti-theft performance, reduces deliberate damage, and realizes intelligent and remote monitoring of locks, integrating safety, intelligence, beauty and convenience.
Smart Images

Figure CN119507739A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of municipal public space service facilities, and in particular to a locking device for an underground non-motor vehicle. Background Art
[0002] With the acceleration of urbanization, the number of non-motor vehicles (such as bicycles, electric vehicles, etc.) as a green travel mode has continued to increase. However, problems such as random parking and theft of non-motor vehicles have become increasingly prominent, bringing challenges to urban management.
[0003] With the increasing demand of car owners for safe parking and anti-theft of non-motor vehicles, there is an urgent need for an economical and practical non-motor vehicle lock solution.
[0004] The existing traditional non-motor vehicle locks have the following problems:
[0005] First, traditional non-motor vehicle locks are ground-mounted, occupying public space;
[0006] Second, ground-mounted non-motor vehicle locks are easy to be stolen and damaged. Summary of the invention
[0007] In view of the shortcomings of the prior art, the present invention proposes an underground non-motor vehicle locking device, which reduces space occupancy, improves anti-theft performance, and can also realize remote monitoring, integrating safety, intelligence, beauty, convenience and other functions.
[0008] In order to achieve the above-mentioned purpose, the present invention is designed to provide an underground non-motor vehicle locking device, which is particularly characterized in that: it comprises a lock shell buried underground and arranged vertically, wherein a lock capable of being pulled out of the ground is embedded in the lock shell;
[0009] The lock housing comprises a cylindrical shell buried underground, a cylindrical lift cabin for embedding the lock is arranged inside the shell, the lift cabin is arranged along the axial direction of the shell, and has an open top and a closed bottom, a bottom safety buckle is arranged on the lower wall of the lift cabin, and a top safety buckle is arranged on the upper wall of the cabin;
[0010] The lock comprises a lock head built into the upper part of the lift cabin and a lock tail built into the bottom of the lift cabin, and a lock chain is connected between the lock head and the lock tail;
[0011] The lock head comprises a lock ring groove, a lock ring lifting groove is arranged on the vertical inner wall of the lock ring groove, a lock ring base plate arranged transversely and matching with the lock ring lifting groove is arranged in the lock ring groove, the lock ring base plate slides vertically in the lock ring groove through the lock ring lifting groove, and a lock ring is fixed on the outer surface of the lock ring base plate; the bottom end outside the lock ring groove is connected to the lock chain, and the periphery outside the lock ring groove is arranged with a lock head safety buckle groove matching with the cabin top safety buckle;
[0012] The lock tail comprises a lock tail base connected to the lock chain, a lock hole matching the lock ring is bored inwardly at the top of the lock tail base, and a lock rod arranged transversely and capable of transverse sliding is arranged on the side wall of the lock hole; a lock tail safety buckle groove matching the cabin bottom safety buckle and the cabin top safety buckle is arranged around the bottom of the lock tail base;
[0013] Pull the lock head and the chain out of the ground and pass them through the non-motor vehicle. Then buckle the lock ring into the lock hole on the lock tail, and lock it by sliding the lock rod horizontally through the lock ring.
[0014] Furthermore, a lock head connecting buckle connected to the lock chain is arranged at the bottom end outside the lock ring groove, and a lock tail connecting buckle connected to the lock chain is arranged at the top end of the lock tail base.
[0015] Furthermore, the car locking device also includes a lock operating program for adjusting the working status of the lock shell and the lock, and a QR code metal sheet is provided on the upper surface of the lock ring substrate, and the lock operating program is entered by scanning the QR code on the QR code metal sheet.
[0016] Furthermore, the top of the lift cabin and the top of the shell are sealed, and an indicator light for indicating the working status of the lock is arranged on the annular sealing surface.
[0017] Furthermore, when the lock is in the first unlocked state when in use, the lock operation program control indicator light is green; when the lock is in the locked state when in use, the lock operation program control indicator light is red; when the lock is in the second unlocked state when not in use, the lock operation program control indicator light is green.
[0018] Furthermore, through the lock operation program, the lock is controlled in the first unlocked state when in use, the lock ring base plate rises, the lock head safety buckle groove is disconnected from the cabin top safety buckle, the lock tail safety buckle groove is disconnected from the cabin bottom safety buckle, the lock ring is pulled, the lock head and the lock chain are pulled to the ground, and when the top of the lock tail base and the top of the shell reach the same level, the lock tail safety buckle groove is connected to the cabin top safety buckle;
[0019] When the control lock is in a locked state when in use, the lock ring is inserted into the lock hole, and the lock rod slides transversely through the lock ring;
[0020] When the control lock is in the second unlocked state when not in use, the locking rod retracts and resets, the locking ring separates from the lock hole, the safety buckle groove at the lock tail is disconnected from the safety buckle on the cabin top, and under the action of gravity, the lock tail, chain and lock head are reset to the elevator cabin, the safety buckle groove at the lock tail is connected to the safety buckle at the bottom of the cabin, and the safety buckle groove of the lock head is connected to the safety buckle on the cabin top.
[0021] Furthermore, the indicator lights are arranged along the circumference of the annular closed surface.
[0022] Furthermore, an axially arranged cabin lifting groove is provided on the inner wall of the lifting cabin, a lock head lifting groove matching the cabin lifting groove is provided on the vertical inner wall outside the lock ring groove, and a lock tail lifting groove matching the cabin lifting groove is provided on the outer wall around the lock tail base.
[0023] Furthermore, a locking rod sleeve is provided on the outer periphery of the locking rod.
[0024] The advantages of the present invention are:
[0025] 1. The present invention buries the car locking device (including the lock housing and the lock) underground, which reduces space occupation, improves anti-theft performance, and reduces deliberate vandalism;
[0026] 2. The present invention places the lock inside the lock housing in the order of the lock head, the lock chain and the lock tail from top to bottom. When locking is required, the lock ring is pulled, the lock ring base plate rises, the lock head safety buckle groove is disconnected from the cabin top safety buckle, the lock tail safety buckle groove is disconnected from the cabin bottom safety buckle, the lock head and the lock chain are pulled to the ground, the lock tail safety buckle groove is connected to the cabin top safety buckle, the lock head and the lock chain pass through the non-motor vehicle, and then the lock ring on the lock head is buckled into the lock hole on the lock tail, and the lock rod slides horizontally through the lock ring to lock;
[0027] When unlocking is needed after use, the lock rod is retracted and reset, the lock ring is separated from the lock hole, the safety buckle groove of the lock tail is disconnected from the safety buckle on the cabin top, and the lock tail, chain and lock head are reset into the lock shell under the action of gravity, the safety buckle groove of the lock tail is connected to the safety buckle on the cabin bottom, and the safety buckle groove of the lock head is connected to the safety buckle on the cabin top, and the entire lock is restored to the underground state;
[0028] 3. The present invention also determines different working states of the lock by distinguishing the colors of the indicator lights;
[0029] 4. The present invention uses a lock operating program to control the lock to intelligently switch between a first unlocked state and a locked state when in use, and a second unlocked state when not in use, thereby achieving convenient operation and remote monitoring;
[0030] The underground non-motor vehicle locking device of the present invention is buried in the ground as a whole, which reduces space occupation, improves anti-theft performance, reduces deliberate sabotage, and can also realize remote monitoring, integrating safety, intelligence, beauty, convenience and other functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 A top view of the lock housing and the lock tail in the first unlocked state when the present invention is in use;
[0032] Figure 2 A top view of the lock head in a first unlocked state when the present invention is in use;
[0033] Figure 3 It is a cross-sectional view of the vehicle locking device of the present invention in a first unlocking state when in use;
[0034] Figure 4 A top view of the lock housing and the lock tail of the present invention in a locked state when in use;
[0035] Figure 5 A cross-sectional view of the vehicle locking device of the present invention in a locked state when in use;
[0036] Figure 6 A top view of the lock housing and the lock head of the present invention in a second unlocked state when not in use;
[0037] Figure 7 A top view of the lock tail of the present invention in a second unlocked state when not in use;
[0038] Figure 8 is a cross-sectional view of the vehicle locking device of the present invention in a second unlocked state when not in use;
[0039] In the figure: lock housing 1, lock 2, lock operation procedure 3 (not shown in the figure);
[0040] The lock housing 1 comprises: a housing 1-1, a lifting cabin 1-2, a cabin bottom safety buckle 1-3, a cabin top safety buckle 1-4, an indicator light 1-5, and a cabin lifting slot 1-6;
[0041] The lock 2 comprises: a lock head 2-1, a lock tail 2-2, and a lock chain 2-3;
[0042] The lock head 2-1 includes: a lock ring 2-11, a lock ring base plate 2-12, a lock ring lifting groove 2-13, a lock head lifting groove 2-14, a lock ring groove 2-15, a lock head safety buckle groove 2-16, a lock head connecting buckle 2-17, and a QR code metal sheet 2-18;
[0043] The lock tail 2-2 includes: a lock tail base 2-21, a lock hole 2-22, a lock rod 2-23, a lock rod sleeve 2-24, a lock tail safety buckle groove 2-25, a lock tail connecting buckle 2-26, and a lock tail lifting groove 2-27. DETAILED DESCRIPTION
[0044] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0045] In the description of the present invention, it is necessary to understand that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention.
[0046] The present invention discloses an underground non-motor vehicle locking device, comprising a lock housing 1 buried underground and arranged vertically, wherein a lock 2 capable of being pulled out of the ground is embedded in the lock housing 1, and the lock housing 1 is a container of the lock 2. The present invention buries the vehicle locking device (including the lock housing 1 and the lock 2) underground, thereby reducing space occupation, improving anti-theft performance, and reducing deliberate vandalism.
[0047] The lock housing 1 includes a shell 1-1 with a cylindrical structure buried underground, and a cylindrical lifting cabin 1-2 for embedding a lock 2 is arranged inside the shell 1-1. The lifting cabin 1-2 is arranged axially along the shell 1-1, and has an open top and a closed bottom. A bottom safety buckle 1-3 is arranged on the lower cabin wall of the lifting cabin 1-2, and a top safety buckle 1-4 is arranged on the upper cabin wall.
[0048] Preferably, the top of the lift cabin 1 - 1 is sealed with the top of the shell 1 - 1 , and an indicator light 1 - 5 for indicating the working status of the lock 2 is provided on the annular closed surface.
[0049] Preferably, the indicator lights 1 - 5 are arranged along the circumference of the annular closed surface.
[0050] The lock 2 comprises a lock head 2-1 built into the upper part of the lift cabin 1-2 and a lock tail 2-2 built into the bottom of the lift cabin 1-2, and a lock chain 2-3 is connected between the lock head 2-1 and the lock tail 2-2.
[0051] The lock head 2-1 includes a lock ring groove 2-15, a lock ring lifting groove 2-13 is arranged on the vertical inner wall of the lock ring groove 2-15, a lock ring base plate 2-12 arranged horizontally and matching with the lock ring lifting groove 2-13 is arranged in the lock ring groove 2-15, the lock ring base plate 2-12 slides vertically in the lock ring groove 2-15 through the lock ring lifting groove 2-13, and a lock ring 2-11 is fixed on the outer surface of the lock ring base plate 2-12; the bottom end outside the lock ring groove 2-15 is connected to the lock chain 2-3, and the periphery outside the lock ring groove 2-15 is provided with a lock head safety buckle groove 2-16 matching with the cabin top safety buckle 1-4.
[0052] Preferably, a locking rod sleeve 2-24 is provided on the outer periphery of the locking rod 2-23.
[0053] The lock tail 2-2 includes a lock tail base 2-21 connected to the lock chain 2-3, and a lock hole 2-22 matching the lock ring 2-11 is bored inward at the top of the lock tail base 2-21, and a lock rod 2-23 arranged laterally and capable of sliding laterally is provided on the side wall of the lock hole 2-22; a lock tail safety buckle groove 2-25 matching the bottom safety buckle 1-3 and the top safety buckle 1-4 is provided around the bottom of the lock tail base 2-21.
[0054] Preferably, a lock head connecting buckle 2-17 connected to the chain 2-3 is provided at the bottom end outside the lock ring groove 2-15, and a lock tail connecting buckle 2-26 connected to the chain 2-3 is provided at the top end of the lock tail base 2-21.
[0055] The lock head 2-1 and the lock chain 2-3 are pulled out of the ground and passed through the non-motor vehicle, and then the lock ring 2-11 is buckled into the lock hole 2-22 on the lock tail 2-2, and the lock rod 2-23 is slid transversely through the lock ring 2-11 to lock.
[0056] Preferably, the inner wall of the lifting cabin 1-2 is provided with an axially arranged cabin lifting groove 1-6, the vertical inner wall outside the locking ring groove 2-15 is provided with a lock head lifting groove 2-14 matching the cabin lifting groove 1-6, and the outer wall around the lock tail base 2-21 is provided with a lock tail lifting groove 2-27 matching the cabin lifting groove 1-6.
[0057] The present invention places the lock 2 inside the lock housing 1 in the order of the lock head 2-1, the lock chain 2-3, and the lock tail 2-2 from top to bottom. When locking is required, the lock ring 2-11 is pulled, the lock ring base plate 2-12 rises, the lock head safety buckle groove 2-16 is disconnected from the cabin top safety buckle 1-4, the lock tail safety buckle groove 2-25 is disconnected from the cabin bottom safety buckle 1-3, the lock head 2-1 and the lock chain 2-3 are pulled to the ground, the lock tail safety buckle groove 2-25 is connected to the cabin top safety buckle 1-4, the lock head 2-1 and the lock chain 2-3 are passed through the non-motor vehicle, and then the lock ring 2-11 on the lock head 2-1 is buckled into the lock hole 2-22 on the lock tail 2-2, and the lock rod 2-23 is lateral slid through the lock ring 2-11 to lock;
[0058] When unlocking is required after use, the locking rod 2-23 is retracted and reset to separate the locking ring 2-11 from the lock hole 2-22, and the lock tail safety buckle groove 2-25 is disconnected from the cabin top safety buckle 1-4. Under the action of gravity, the lock tail 2-2, the lock chain 2-3, and the lock head 2-1 are reset to the lock shell 1, the lock tail safety buckle groove 2-25 is connected to the cabin bottom safety buckle 1-3, and the lock head safety buckle groove 2-16 is connected to the cabin top safety buckle 1-4, and the entire lock is restored to the underground state.
[0059] Preferably, the car locking device also includes a lock operating program 3 for adjusting the working status of the lock housing 1 and the lock 2. A QR code metal sheet 2-18 is provided on the upper surface of the lock ring substrate 2-12, and the lock operating program 3 is entered by scanning the QR code on the QR code metal sheet 2-18.
[0060] The present invention also controls different colors of the indicator lights 1-5 through the lock operation program 3 to determine different working states of the lock 2.
[0061] Specifically, when the lock 2 is in the first unlocked state when in use, the lock operation program 3 controls the indicator lights 1-5 to be green; when the lock 2 is in the locked state when in use, the lock operation program 3 controls the indicator lights 1-5 to be red; when the lock 2 is in the second unlocked state when not in use, the lock operation program 3 controls the indicator lights 1-5 to be green.
[0062] Through the lock operation procedure 3, the lock 2 is controlled to be in the first unlocked state when in use, the lock ring base plate 2-12 rises, the lock head safety buckle groove 2-16 is disconnected from the cabin top safety buckle 1-4, the lock tail safety buckle groove 2-25 is disconnected from the cabin bottom safety buckle 1-3, the lock ring 2-11 is pulled, the lock head 2-1 and the lock chain 2-3 are pulled to the ground, and when the top of the lock tail base 2-21 reaches the same level as the top of the shell 1-1, the lock tail safety buckle groove 2-25 is connected to the cabin top safety buckle 1-4;
[0063] When the control lock 2 is in a locked state during use, the lock ring 2-11 is inserted into the lock hole 2-22, and the lock rod 2-23 slides transversely through the lock ring 2-11;
[0064] When the control lock 2 is in the second unlocked state when not in use, the lock rod 2-23 shrinks and resets, the lock ring 2-11 separates from the lock hole 2-22, the lock tail safety buckle groove 2-25 is disconnected from the cabin top safety buckle 1-4, and under the action of gravity, the lock tail 2-2, the lock chain 2-3, and the lock head 2-1 are reset to the elevator cabin 1-1, the lock tail safety buckle groove 2-25 is connected to the cabin bottom safety buckle 1-3, and the lock head safety buckle groove 2-16 is connected to the cabin top safety buckle 1-4.
[0065] The present invention controls the lock 2 to intelligently switch between a first unlocked state and a locked state when in use and a second unlocked state when not in use through the lock operation program 3, thereby achieving convenient operation and remote monitoring.
[0066] The underground non-motor vehicle locking device of the present invention is buried in the ground as a whole, which reduces space occupation, improves anti-theft performance, reduces deliberate sabotage, and can also realize remote monitoring, integrating safety, intelligence, beauty, convenience and other functions.
[0067] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.
Claims
1. A locking device for an underground non-motor vehicle, characterized in that: It comprises a lock case (1) buried underground and arranged vertically, wherein a lock (2) capable of being pulled out of the ground is embedded in the lock case (1); The lock housing (1) comprises a shell (1-1) in a columnar structure buried underground, a columnar lifting cabin (1-2) for embedding a lock (2) is arranged inside the shell (1-1), the lifting cabin (1-2) is arranged axially along the shell (1-1), and has an open top and a closed bottom, a bottom safety buckle (1-3) is arranged on the lower cabin wall of the lifting cabin (1-2), and a top safety buckle (1-4) is arranged on the upper cabin wall; The lock (2) comprises a lock head (2-1) built into the upper part of the lift cabin (1-2) and a lock tail (2-2) built into the bottom of the lift cabin (1-2); a lock chain (2-3) is connected between the lock head (2-1) and the lock tail (2-2); The lock head (2-1) comprises a lock ring groove (2-15), a lock ring lifting groove (2-13) is arranged on the vertical inner wall of the lock ring groove (2-15), a lock ring base plate (2-12) arranged transversely and matching with the lock ring lifting groove (2-13) is arranged in the lock ring groove (2-15), the lock ring base plate (2-12) vertically slides in the lock ring groove (2-15) through the lock ring lifting groove (2-13), and a lock ring (2-11) is fixed on the outer surface of the lock ring base plate (2-12); the bottom end outside the lock ring groove (2-15) is connected to the lock chain (2-3), and the periphery outside the lock ring groove (2-15) is provided with a lock head safety buckle groove (2-16) matching with the cabin top safety buckle (1-4); The lock tail (2-2) comprises a lock tail base (2-21) connected to the lock chain (2-3); a lock hole (2-22) matching the lock ring (2-11) is formed at the top of the lock tail base (2-21) and facing inwards; a lock rod (2-23) arranged transversely and capable of transverse sliding is provided on the side wall of the lock hole (2-22); and a lock tail safety buckle groove (2-25) matching the cabin bottom safety buckle (1-3) and the cabin top safety buckle (1-4) is provided at the periphery of the bottom of the lock tail base (2-21); The lock head (2-1) and the lock chain (2-3) are pulled out of the ground and passed through the non-motor vehicle, and then the lock ring (2-11) is buckled into the lock hole (2-22) on the lock tail (2-2), and the lock rod (2-23) is slid transversely through the lock ring (2-11) to lock.
2. The underground non-motor vehicle locking device according to claim 1, characterized in that: A lock head connecting buckle (2-17) connected to the lock chain (2-3) is arranged at the bottom end outside the lock ring groove (2-15), and a lock tail connecting buckle (2-26) connected to the lock chain (2-3) is arranged at the top end of the lock tail base (2-21).
3. The underground non-motor vehicle locking device according to claim 2, characterized in that: The vehicle locking device also includes a lock operating program (3) for adjusting the working status of the lock housing (1) and the lock (2); a two-dimensional code metal sheet (2-18) is provided on the upper surface of the lock ring substrate (2-12); and the lock operating program (3) is entered by scanning the two-dimensional code on the two-dimensional code metal sheet (2-18).
4. The underground non-motor vehicle locking device according to claim 3, characterized in that: The top of the lifting cabin (1-1) and the top of the housing (1-1) are sealed, and an indicator light (1-5) for indicating the working state of the lock (2) is provided on the annular sealed surface.
5. The underground non-motor vehicle locking device according to claim 4, characterized in that: When the lock (2) is in a first unlocked state when in use, the lock operation program (3) control indicator lights (1-5) are green; when the lock (2) is in a locked state when in use, the lock operation program (3) control indicator lights (1-5) are red; when the lock (2) is in a second unlocked state when not in use, the lock operation program (3) control indicator lights (1-5) are green.
6. The underground non-motor vehicle locking device according to claim 5, characterized in that: Through the lock operation program (3), the lock (2) is controlled to be in a first unlocked state when in use, the lock ring base plate (2-12) rises, the lock head safety buckle groove (2-16) is disconnected from the cabin top safety buckle (1-4), the lock tail safety buckle groove (2-25) is disconnected from the cabin bottom safety buckle (1-3), the lock ring (2-11) is pulled, the lock head (2-1) and the lock chain (2-3) are pulled to the ground, and when the top of the lock tail base (2-21) and the top of the shell (1-1) reach the same level, the lock tail safety buckle groove (2-25) is connected to the cabin top safety buckle (1-4); When the lock device (2) is in a locked state during use, the lock ring (2-11) is inserted into the lock hole (2-22), and the lock rod (2-23) slides transversely through the lock ring (2-11); When the control lock (2) is in a second unlocked state when not in use, the lock rod (2-23) is retracted and reset, the lock ring (2-11) is separated from the lock hole (2-22), the lock tail safety buckle groove (2-25) is disconnected from the cabin top safety buckle (1-4), and the lock tail (2-2), the lock chain (2-3), and the lock head (2-1) are reset to the inside of the lift cabin (1-1) under the action of gravity, the lock tail safety buckle groove (2-25) is connected to the cabin bottom safety buckle (1-3), and the lock head safety buckle groove (2-16) is connected to the cabin top safety buckle (1-4).
7. The underground non-motor vehicle locking device according to claim 6, characterized in that: The indicator lights (1-5) are arranged along the circumference of the annular closed surface.
8. The underground non-motor vehicle locking device according to claim 1, characterized in that: The lifting cabin (1-2) is provided with an axially arranged cabin lifting groove (1-6) on the cabin inner wall, the locking ring groove (2-15) is provided with a lock head lifting groove (2-14) matching the cabin lifting groove (1-6) on the vertical inner wall outside the groove, and the lock tail base (2-21) is provided with a lock tail lifting groove (2-27) matching the cabin lifting groove (1-6) on the outer wall around it.
9. The underground non-motor vehicle locking device according to claim 8, characterized in that: The outer periphery of the locking rod (2-23) is sleeved with a locking rod sleeve (2-24).
Citation Information
Patent Citations
Automatic cycle storage system, cycle for such a system and structure for receiving such a cycle
CN102101503A
IC card network electronic lock
CN200940378Y
Theftproof lock
CN200961397Y
Anti-theft cipher lock of bicycle
CN201003331Y
Double-upright-column multifunctional bicycle induction pile
CN203567848U