Battery box fixing structure of scooter
By designing a battery box fixing structure with lock body components and a self-locking unit, the problems of battery box loosening and lock head easy unlocking in the mobility scooter were solved, achieving quick disassembly and assembly and stable battery box fixing, ensuring the stability of the battery box during use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG INNUOVO REHABILITATION DEVICES CO LTD
- Filing Date
- 2025-01-24
- Publication Date
- 2026-04-10
AI Technical Summary
In existing technologies, the battery box is prone to loosening during the use of the mobility scooter, affecting the power supply and performance, and the lock is easily touched and unlocked, lacking stability.
A battery box fixing structure including a lock body assembly and a self-locking unit was designed. The battery box can be quickly disassembled and assembled through the cooperation of the lock slot and the lock body assembly, and the self-locking unit prevents the lock body assembly from rotating during use, thus ensuring the stability of the battery box.
It enables quick assembly and disassembly of the battery box and the mobility scooter, and maintains stability during use, avoiding the problem of the battery box becoming loose and affecting the power supply effect, thus improving the ease of operation and stability.
Smart Images

Figure CN224104217U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a scooter battery box fixing technology field, concretely is a scooter battery box fixing structure. BACKGROUND
[0002] The Chinese patent application with the application number 202121034997.4 discloses a fixing structure of an electric scooter battery box, which comprises an electric scooter body, a battery box and a fixing device, the electric scooter body comprises a foot pedal and a seat column, the fixing device comprises a lock handle and a lock; the lock is installed on the battery box or the foot pedal; the right end of the lock handle is connected to the seat column through a hinge, the left end of the lock handle is connected to the lock, the lock is installed on the battery box, the lock handle is in a straight bar shape, the lock is installed on the foot pedal, and the lock handle is in a Z-shaped bar; the lock is composed of a lock head and a lock core.
[0003] In the above technical solution, the lock is fixed on the upper end of the battery box or the foot pedal, the lock handle passes above the battery box and is connected to the lock, the connection between the lock handle and the lock is completed through a rotatable lock head cooperating with the mounting end of the lock handle, and then the battery box is fixed, but in the above technical solution, only one lock head that can rotate relative to the lock handle and does not have self-locking capability is used to press the lock handle, that is, the battery box is fixed by the lock handle, which is not stable, and in the actual use process of the scooter, due to the actual volume of the lock head and the lock tongue provided on the lock head for pressing the lock handle, the user can easily touch the lock head, causing the lock head to rotate, once the lock head changes from the pressing angle to the unlocking angle, the lock handle is immediately disconnected from the lock head, at this time, since the battery box is arranged on the foot pedal and no other limiting structure is arranged around the battery box to assist in fixing the battery box, the battery box is loose, which affects the power supply effect or the use effect. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a scooter battery box fixing structure which can quickly disassemble and assemble the battery box and the scooter and ensure the stability of the battery box during use.
[0005] To achieve the above object, the utility model discloses a scooter battery box fixing structure, including bottom shell, the bottom shell center position is equipped with the recess for loading battery box, one side wall on the recess is equipped with a long strip shape's opening, the position of the opening in the battery box is equipped with the lock groove, the position of the lock groove on the bottom shell is equipped with the through -hole, the lock body assembly that is equipped with in the through -hole can rotate with the bottom shell, the rotation axis of lock body assembly coincides with the center axis of the through -hole, the locking end of lock body assembly can rotate to the lock groove is positioned to the battery box, the bottom end between lock body assembly and the bottom shell is equipped with the self -locking unit for preventing the self -rotation of lock body assembly.
[0006] When needing to install the battery box, place the battery box in the recess and make the lock groove opposite to the opening, manually rotate the lock body assembly until the locking end of the lock body assembly is rotated into the lock groove, because the self -locking unit restricts the lock body assembly, the lock body assembly cannot self -rotate when the scooter is used, that is, the fixing and installation of the battery box are completed, when needing to remove the battery box, manually reverse the lock body assembly until the locking end of the lock body assembly is away from the battery box, that is, the unlocking of the battery box is completed.
[0007] The utility model discloses the lock body assembly and lock groove of design, realize that user can through the manual quick rotation lock body assembly to the battery box is fixed and unlocked, and cooperate self -locking unit effectively prevents the self -rotation of lock body assembly in the use process, ensure the stability and safety of battery box in the scooter driving process, avoid the problem that the battery box is affected power supply effect or use effect because of loosening, simple and convenient operation is fast, and further improve the dismounting efficiency of battery box, the utility model has can make the battery box and the scooter realize quick dismounting, and guarantee the stability of battery box in the use process Advantage.
[0008] As preferred, the position of the bottom shell lower end close to the lock body assembly is equipped with the limit rod, one end of the lock groove corresponds with the limit rod, the other end of the lock groove corresponds to the shortest distance between the through -hole and the recess.
[0009] The locking end of the lock groove and the locking end of the opening limit the rotation angle of the lock body assembly, which facilitates user control of the lock body assembly and prevents user over-rotation, which causes the locking end of the lock body assembly to lock the battery box first and then separate from the battery box due to over-rotation.
[0010] As preferred, the locking end of the lock groove and the locking end of the opening are flush, and the locking end of the lock groove is used in combination with the limit rod to limit the rotation angle of the lock body assembly to ninety degrees.
[0011] By limiting the rotation angle of the locking end of the lock body assembly, the user can control the actual position of the locking end of the lock body assembly, preventing the user from rotating too far.
[0012] As a preferred, the lock body assembly comprises a first lock body and a second lock body assembled with each other, the first lock body comprises a knob and a connecting column arranged at the bottom of the knob, the diameter of the connecting column is smaller than the diameter of the knob, the second lock body comprises a connecting seat arranged at the bottom of the connecting column and a lock tongue arranged on the outer circular surface of the connecting seat, the connecting column penetrates through the through hole and extends to the lower side of the bottom shell, and the upper end surface of the connecting seat is spaced apart from the lower end surface of the bottom shell and wrapped around the bottom end and the outer circular surface of the connecting column.
[0013] By rotating the knob to drive the lock tongue on the outer circular surface of the connecting seat, when the lock tongue is rotated into the lock slot, the lock tongue locks the battery box, and when the lock tongue is separated from the battery box, the battery box is unlocked, achieving quick disassembly and assembly of the battery box.
[0014] As a preferred, the self-locking unit comprises four protrusions arranged in a ring array on the upper end surface of the connecting seat, and the bottom shell is provided with self-locking recesses arranged around the through hole, the self-locking recesses correspond to the positions of the protrusions one by one.
[0015] By using the protrusions and self-locking recesses in combination, the rotation of the knob is limited, the positioning effect of the knob is ensured, and the fixing stability of the knob is improved; compared with the mode of arranging only two groups of protrusions and self-locking recesses with an included angle of ninety degrees, four groups of protrusions and self-locking recesses can prevent the axis of the knob from deviating during rotation, causing the knob and the connecting seat to tilt and affecting the service life of the lock body assembly.
[0016] As a preferred, the connecting seat is arranged with four reduction grooves in a ring array in the circumferential direction, the reduction grooves are located below the protrusions and correspond to the protrusions one by one.
[0017] By arranging the reduction grooves, the structural strength of the connecting seat near the position of the protrusions is reduced, facilitating deformation at this position and reducing the difficulty of rotating the knob for the user.
[0018] As a preferred, the knob comprises a circular plate as a base and a vertical plate located at the diameter position of the circular plate, the length direction of the vertical plate of the knob corresponds to the positions of the two opposite protrusions.
[0019] Compared with the cylindrical knob, the user can control the rotation position of the lock tongue more easily, facilitating the use of the user.
[0020] As preferred, the through hole comprises a larger diameter section on the upper side and a smaller diameter section on the lower side, the knob is embedded in the through hole of the larger diameter section, the smaller diameter section is used for the connecting column to pass through and axially limit the connecting seat, thereby shortening the axial height of the lock body assembly and preventing it from interfering with the user using the scooter.
[0021] As preferred, the first lock body and the second lock body are assembled through two symmetrically arranged fixing members, thereby ensuring the stability during rotation between the first lock body and the second lock body; wherein the fixing member is any existing screw for fastening.
[0022] The utility model discloses can realize that user can through manual quick rotation lock body assembly to the battery box is fixed and unlocked, and prevent the lock body assembly from self-rotation in the use process, with can make the battery box and the scooter realize quick disassembly and assembly, and guarantee the stability of the battery box in the use process. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a structural schematic diagram of the utility model.
[0024] Figure 2 It is an exploded structural view of the utility model.
[0025] Figure 3 It is Figure 2 It is an enlarged view of A in the middle.
[0026] Figure 4 It is a partial sectional structural schematic diagram of the utility model.
[0027] Figure 5 It is an exploded structural schematic diagram of the lock body assembly of the utility model.
[0028] In the drawing: 11, bottom shell; 12, recess; 121, opening; 13, battery box; 131, lock slot; 14, plug; 15, through hole; 16, first lock body; 161, knob; 162, connecting column; 17, second lock body; 171, connecting seat; 172, lock tongue; 1711, protrusion; 1712, reduced groove; 18, self-locking recess; 19, limiting rod; 20, mounting hole. DETAILED DESCRIPTION
[0029] The utility model will be further described below according to the drawings and specific embodiments.
[0030] As shown in Figure 1 The embodiment discloses a scooter battery box fixing structure, which comprises a bottom shell 11 as one part of a scooter body, the bottom shell 11 is provided with a recess 12 for loading a battery box 13 at the center position, and the recess 12 is provided with a lock slot 131. Figure 2As shown, the bottom wall of the recess 12 is provided with a plug 14 for electrical connection with the battery box 13, the plug 14 is electrically connected with the electronic components on the bottom shell 11, the electronic components on the bottom shell 11 are the same as the prior art structure, one of the side walls of the recess 12 is provided with a long strip-shaped opening 121, the battery box 13 is provided with a long strip-shaped locking groove 131 opposite to the opening 121, the bottom shell 11 is provided with a through hole 15 near the locking groove 131, the through hole 15 includes a larger diameter section on the upper side and a smaller diameter section on the lower side, the bottom shell 11 is provided with a lock body assembly rotatable relative to the bottom shell 11, the lock body assembly includes a first lock body 16 and a second lock body 17 assembled by two symmetrically arranged screws, Figure 3 As shown, the second lock body 17 is provided with two mounting holes 20 for the screws to pass through, the bottom end of the bottom shell 11 is provided with a limiting rod 19 near the second lock body 17, one end of the locking groove 131 corresponds to the limiting rod 19, Figure 4 As shown, the locking end of the locking groove 131 and the locking end of the opening 121 are flush and can abut the side edge of the locking end of the lock body assembly, realizing that the side wall of the locking end of the locking groove 131 is used in cooperation with the limiting rod 19 and the rotation angle of the lock body assembly is limited to ninety degrees.
[0031] The first lock body 16 is located on the upper side of the bottom shell 11, Figure 4 As shown, the first lock body 16 includes a knob 161 composed of a circular plate and a vertical plate located on the diameter of the circular plate, and a connecting column 162 provided at the bottom of the knob 161, the knob 161 and the connecting column 162 are designed in one body, the knob 161 is embedded in the larger diameter section of the through hole 15, the second lock body 17 is located on the lower side of the bottom shell 11, the second lock body 17 includes a connecting seat 171 sleeved on the bottom of the connecting column 162 and a lock tongue 172 provided on the outer circular surface of the connecting seat 171, the lock tongue 172 as the locking end of the lock body assembly can be rotated into the locking groove 131 under the action of the knob 161, thereby limiting the battery box 13, the diameter of the connecting column 162 is smaller than the diameter of the knob 161 and is matched with the smaller diameter section of the through hole 15, the smaller diameter section of the through hole 15 is used for the connecting column 162 to pass through and axially limit the connecting seat 171, the connecting column 162 penetrates through the through hole 15 and extends to the lower side of the bottom shell 11 and is connected with the upper end surface of the connecting seat 171 through two symmetrically arranged screws, a gap is left between the connecting seat 171 and the bottom end of the bottom shell 11 and wraps around the bottom end and the outer circular surface of the connecting column 162.
[0032] A self-locking unit is provided between the connecting seat 171 and the bottom end of the bottom shell 11 for preventing the lock body assembly from rotating, Figure 4As shown, the self-locking unit includes four protrusions 1711 arranged in a ring array on the end surface of the connecting seat 171, and the bottom shell 11 is provided with a self-locking recess 18 around the through hole 15, the self-locking recess 18 corresponds to the protrusions 1711 one by one, and the connecting seat 171 is arranged with four reduced grooves 1712 in a ring array in the circumferential direction, the reduced grooves 1712 are located below the protrusions 1711 and correspond to the protrusions 1711 one by one.
[0033] The length direction of the vertical plate of the knob 161 corresponds to the positions of the two opposite protrusions 1711, conforms to the use logic of the user, and is convenient for the user to control the actual position of the lock tongue 172 located below the bottom shell 11, so as to control the rotating position of the lock tongue 172.
[0034] When it is necessary to install the battery box 13, the user holds the battery box 13 and places the battery box 13 in the groove 12, so that the lock groove 131 is opposite to the opening 121, manually rotates the knob 161 by ninety degrees, the knob 161 drives the connecting seat 171 to rotate through the screw, the connecting seat 171 drives the lock tongue 172 located on the outer circular surface of the connecting seat 171 to rotate, and then the lock tongue 172 is rotated into the lock groove 131, in this process, the protrusions 1711 on the end of the connecting seat 171 close to the bottom shell 11 are separated from the self-locking recess 18, when the protrusions 1711 abut against the lower end surface of the bottom shell 11 near the through hole 15, the reaction force of the bottom shell 11 makes the protrusions 1711 press the part of the connecting seat 171 located in the reduced groove 1712, and then the unlocking is realized, when the rotation is over ninety degrees, the protrusions 1711 correspond to the self-locking recess 18 again, the thrust of the connecting seat 171 makes the protrusions 1711 re-embed into the self-locking recess 18, and then the self-locking is completed, because the protrusions 1711 limit the rotation of the connecting seat 171, and then the lock tongue 172 cannot rotate during the use of the scooter, that is, the fixed installation of the battery box 13 is completed, when it is necessary to remove the battery box 13, the knob 161 is manually reversed until the lock tongue 172 abuts against the limiting rod 19, at this time, the lock tongue 172 is away from the battery box 13, and the unlocking of the battery box 13 is completed.
Claims
1. A mobility scooter battery compartment securing structure, characterized by: The utility model provides a battery box locking device, which comprises a bottom shell, a recess for loading a battery box is arranged at a central position of the bottom shell, a long slot is formed in one side wall of the recess, a long locking slot is formed in the battery box at a position opposite to the long slot, a through hole is formed in the bottom shell at a position close to the locking slot, a lock body assembly is arranged in the through hole and can rotate relative to the bottom shell, the rotation axis of the lock body assembly coincides with the central axis of the through hole, the locking end of the lock body assembly can rotate into the locking slot to limit the battery box, and a self-locking unit is arranged between the bottom end of the bottom shell and the lock body assembly to prevent the lock body assembly from rotating.
2. The scooter battery case fixation structure according to claim 1, characterized in that: A limiting rod is arranged at a position close to the lock body assembly at the lower end of the bottom shell, one end of the locking slot corresponds to the limiting rod, and the other end of the locking slot corresponds to the position where the distance between the through hole and the recess is the shortest, the locking slot and the limiting rod are used in combination to limit the rotation angle of the lock body assembly to 90 degrees.
3. The scooter battery case fixation structure according to claim 1 or 2, characterized in that: The lock body assembly comprises a first lock body and a second lock body assembled with each other, the first lock body comprises a knob and a connecting column arranged at the bottom of the knob, the diameter of the connecting column is smaller than the diameter of the knob, the second lock body comprises a connecting seat arranged at the bottom of the connecting column and a lock tongue arranged on the outer circumferential surface of the connecting seat, the connecting column penetrates through the through hole and extends to the lower side of the bottom shell, and the upper end surface of the connecting seat is wrapped around the bottom end and the outer circumferential surface of the connecting column with a gap left between the upper end surface of the connecting seat and the lower end surface of the bottom shell.
4. The scooter battery case fixation structure of claim 3, wherein: The self-locking unit comprises four protrusions arranged in an annular array on the upper end surface of the connecting seat, and the bottom shell is provided with self-locking recesses located around the through hole, the self-locking recesses correspond to the positions of the protrusions one by one.
5. The scooter battery case fixation structure of claim 4, wherein: Four reducing grooves are arranged in an annular array on the circumference of the connecting seat, the reducing grooves are located below the protrusions and correspond to the protrusions one by one.
6. The scooter battery case fixation structure of claim 4, wherein: The knob comprises a circular plate as a base and a vertical plate located at the diameter position of the circular plate, and the length direction of the vertical plate of the knob corresponds to the positions of the two protrusions opposite to each other.
7. The scooter battery case fixation structure of claim 3, wherein: The through hole comprises a larger diameter section located at the upper side and a smaller diameter section located at the lower side, the knob is embedded in the through hole of the larger diameter section, and the smaller diameter section is used for allowing the connecting column to pass through and axially limiting the connecting seat.
8. The scooter battery case fixation structure of claim 3, wherein: The first lock body and the second lock body are assembled through two symmetrical fixing members.
Citation Information
Patent Citations
Fixing structure of battery box of electric scooter
CN214689938U