Battery anti-theft structure of electric bicycle

Abstract

The utility model relates to the technical field of battery anti-theft, in particular to a battery anti-theft structure of an electric bicycle, which comprises a battery compartment, supporting ribs are fixedly connected to the bottoms of two side surfaces of the inner wall of the battery compartment, and a plurality of storage batteries are jointly erected and placed on the tops of the two supporting ribs. The anti-theft lock has the advantages that rotation of the bidirectional transmission lead screw can be limited by clamping the clamping gear through the arc clamping rack on the lock bolt, the bidirectional transmission lead screw can be rotated only by unlocking firstly when theft occurs, and even if unlocking succeeds, the bidirectional transmission lead screw can be rotated only by finding a wrench matched with the special-shaped anti-theft wrench swivel, so that the anti-theft lock is very convenient to use. According to the anti-theft lock, the difficulty of theft operation is increased, the time of theft operation is prolonged, the theft process is easier to find, theft is prevented, the fixed locking structures are all located at the bottom of the inner wall of the battery bin, violent forcible entry is effectively prevented through battery bin wrapping and battery covering, and the lock is also embedded in the inner wall of the battery bin, so that violent damage to the lock is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery theftproof technical field, especially a battery theftproof structure of electric bicycle. BACKGROUND

[0002] With the possession of electric vehicle is higher and higher, the theft case of electric vehicle battery is more and more, because the battery of traditional electric bicycle is placed directly in the battery compartment, and the thief can directly take out the battery by disassembling the seat, therefore, many electric bicycle batteries are currently installed with theftproof design, but the current theftproof structure is only installed with a horizontal bar to block the battery from being pulled out, but the horizontal bar can be directly cut by breaking and cutting, so that the speed of theft operation is still fast, and the theft event cannot be delayed well, and the difficulty of theft is improved. SUMMARY

[0003] The utility model aims at overcoming the defects of prior art, and provides a battery theftproof structure of electric bicycle, which effectively solves the defects of prior art.

[0004] In order to realize the above-mentioned purpose, the embodiment of the utility model provides a battery theftproof structure of electric bicycle, which comprises a battery compartment, the bottom of the two sides of the inner wall of the battery compartment is fixedly connected with a supporting convex rib, a plurality of storage batteries are placed on the top of the two supporting convex ribs, the center of the bottom of the plurality of storage batteries is fixedly connected with a connecting body, the bottom of the connecting body is fixedly connected with a hooking plate, the center of the bottom of the inner wall of the battery compartment is rotatably connected with a bidirectional transmission lead screw, the two sides of the bidirectional transmission lead screw are threadedly connected with a hook plate, the two hook plates are symmetrically arranged with the bidirectional transmission lead screw as the center, the two hook plates can be hooked to the top of the hooking plate from the two sides, the top bottom surface of the two hook plates is coplanar with the top surface of the hooking plate, the bottom of one side of the battery compartment is fixedly connected with a lock, one end of the bidirectional transmission lead screw is arranged to pass through the center of one side of the lock, one end of the bidirectional transmission lead screw fixedly connected with a special-shaped theftproof wrench rotating head, a transmission groove is formed in the position close to the lock tongue of the lock, a clamping gear is fixedly connected to the position of the inner wall of the transmission groove of the bidirectional transmission lead screw, the lock tongue end of the lock is fixedly connected with an arc clamping rack, and the arc clamping rack can be clamped and fixed with the clamping gear.

[0005] It is preferred that the bottom of the two sides of the inner wall of the battery compartment is fixedly connected with a guide rod, the two sides of the bottom of the hook plate are slidably connected with the two guide rods, and the length of the hook plate is adapted to the length of the battery compartment.

[0006] The above-mentioned scheme can make the hook plate hook the hooking plate at the bottom of the storage battery in the battery compartment.

[0007] Preferably, in any of the above aspects, the height of the plurality of batteries is adapted to the distance from the top surface of the battery compartment to the top surface of the support ridge, the width of the battery compartment inner wall is adapted to the length of the battery, and the length of the battery compartment inner wall is a multiple of the width of the battery.

[0008] The above aspect achieves the technical effect of allowing the batteries to be closely arranged in the battery compartment, thereby improving the stability of the batteries after being arranged.

[0009] Preferably, in any of the above aspects, the body of the lock is embedded in the interior of the battery compartment, and the special-shaped anti-theft wrench head is located in the interior of the lock.

[0010] The above aspect achieves the technical effect of preventing external violent damage to the lock.

[0011] Preferably, in any of the above aspects, the length of the hook head at the top of the two hook plates is adapted to the distance from the edge of the hooking plate to the side surface of the connecting body, and the thickness of the two hook plates is less than the thickness of the connecting body.

[0012] The above aspect achieves the technical effect of allowing the hook plates to be smoothly pushed into the top surface of the hooking plate, thereby fully utilizing the area of the hooking and staggering, and improving the firmness of the clamping and fixing.

[0013] The present application has the following advantages:

[0014] 1. The battery anti-theft structure of the electric bicycle can limit the rotation of the bidirectional transmission lead screw by the arc clamping tooth bar on the lock tongue clamping and clamping the gear, so that the bidirectional transmission lead screw needs to be rotated after unlocking when theft occurs. Even if the unlocking is successful, a wrench matched with the special-shaped anti-theft wrench head is still needed to rotate the bidirectional transmission lead screw, which greatly increases the difficulty of theft operation, prolongs the time of theft operation, and makes the theft process more likely to be discovered, thereby preventing theft.

[0015] 2. The battery anti-theft structure of the electric bicycle can effectively prevent violent breaking and opening by being wrapped by the battery compartment and covered by the battery, and the lock is also embedded in the inner wall of the battery compartment to prevent violent damage to the lock. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The present application has the following advantages:

[0017] Figure 2 The present application has the following advantages:

[0018] Figure 3 The present application has the following advantages: Figure 2The schematic diagram of the section structure at A-A;

[0019] Figure 4 For the utility model Figure 3 The schematic diagram of the structure at B is enlarged.

[0020] In the figure: 1-battery compartment, 2-battery, 3-lock, 4-odd-shaped anti-theft wrench head, 5-supporting convex rib, 6-two-way transmission screw, 7-hook plate, 8-connection body, 9-hooking plate, 10-clamping gear, 11-guiding lever, 12-circular arc clamping rack. Specific implementation

[0021] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0022] As Figures 1 to 4 The utility model discloses a battery anti-theft structure of electric bicycle, it includes battery compartment 1, the bottom of two sides of the inner wall of battery compartment 1 is fixedly connected with supporting convex rib 5, the top of two supporting convex ribs 5 is placed with a plurality of batteries 2, the center of the bottom of a plurality of batteries 2 is fixedly connected with connection body 8, the bottom of connection body 8 is fixedly connected with hooking plate 9, the center of the bottom of the inner wall of battery compartment 1 is rotatably connected with two-way transmission screw 6, the both sides of two-way transmission screw 6 are all threadedly connected with hook plate 7, two hook plates 7 are symmetrically arranged with two-way transmission screw 6 positive and negative thread boundary as center, two hook plates 7 can be hooked to the top of hooking plate 9 from both sides, the top bottom surface of two hook plates 7 is coplanar with the top surface of hooking plate 9, the bottom of one side of battery compartment 1 is fixedly connected with lock 3, one end of two-way transmission screw 6 passes out from the center of one side of lock 3, one end of two-way transmission screw 6 in lock 3 is fixedly connected with odd-shaped anti-theft wrench head 4, the position close to the lock tongue of lock 3 is provided with transmission groove, the position of two-way transmission screw 6 in the inner wall of transmission groove is fixedly connected with clamping gear 10, the lock tongue end of lock 3 is fixedly connected with circular arc clamping rack 12, circular arc clamping rack 12 can be clamped and fixed with clamping gear 10.

[0023] As an optional technical scheme of the utility model, the bottom of the inner wall of battery compartment 1 is fixedly connected with guiding lever 11 on both sides, the bottom of two hook plates 7 is slidably connected with two guiding levers 11 on both sides, the length of hook plate 7 is adapted to the length of battery compartment 1, so that hook plate 7 can hook the hooking plate 9 at the bottom of battery 2 at any position in the interior of battery compartment 1.

[0024] As an optional technical scheme of the utility model, the height of a plurality of batteries 2 is adapted to the distance from the top of battery compartment 1 to the top of supporting convex rib 5, the width of the inner wall of battery compartment 1 is adapted to the length of battery 2, and the length of the inner wall of battery compartment 1 is a multiple of the width of battery 2, so that battery 2 can be closely arranged and placed in battery compartment 1, and the stability of the placed battery is improved.

[0025] As an optional technical scheme of the utility model, the body of the lock 3 is embedded in the inside of the battery compartment 1, the special-shaped anti-theft wrench rotating head 4 is in the inside of the lock 3, the lock 3 is embedded in the inner wall of the battery compartment 1, and violent damage to the lock can be prevented.

[0026] As an optional technical scheme of the utility model, the length of the hook head of the two hook plates 7 is adapted to the distance from the edge of the hooking plate 9 to the side surface of the connecting body 8, and the thickness of the two hook plates 7 is less than the thickness of the connecting body 8, so that the hook plate 7 can be smoothly pushed into the top surface of the hooking plate 9, the area of the hooking and interlacing can be fully utilized, and the firmness of clamping and fixing is improved.

[0027] The battery anti-theft structure of the electric bicycle needs the following steps when the battery is taken out:

[0028] 1) first, the lock 3 is opened by a key;

[0029] 2) then, the special-shaped anti-theft wrench rotating head 4 is rotated by inserting the matched wrench into the special-shaped anti-theft wrench rotating head 4;

[0030] 3) the two hook plates 7 are driven away from each other to be separated from the hooking plate 9 by the bidirectional transmission lead screw 6, so that the storage battery can be taken out upward.

[0031] As described above, the rotation of the bidirectional transmission lead screw 6 can be limited by the arc clamping toothed strip 12 on the lock tongue of the lock 3 clamping and clamping the gear 10, so that the bidirectional transmission lead screw 6 needs to be rotated after the lock is opened when theft occurs, even if the lock is successfully opened, the bidirectional transmission lead screw 6 still needs to be rotated by finding the wrench matched with the special-shaped anti-theft wrench rotating head 4, which greatly increases the difficulty of theft operation, improves the time of theft operation, makes the theft process more easily discovered, prevents theft from occurring, the fixed locking structure is in the inner wall bottom of the battery compartment 1, and the battery compartment 1 is wrapped and covered by the battery, so that violent damage can be effectively prevented, and the lock 3 is also embedded in the inner wall of the battery compartment 1 to prevent violent damage to the lock.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A battery theft prevention structure for an electric bicycle, characterized by: The utility model provides a battery compartment (1), the bottom of both sides of inside wall of battery compartment (1) is fixedly connected with support convex edge (5), the top of two support convex edges (5) is placed with a plurality of storage battery (2) in common, the bottom center of a plurality of storage battery (2) is fixedly connected with connecting body (8), the bottom of connecting body (8) is fixedly connected with hooking plate (9), the center of inside wall bottom of battery compartment (1) is rotatably connected with two -way transmission lead screw (6), both sides of two -way transmission lead screw (6) are all threadedly connected with hook plate (7), two hook plates (7) are symmetrically arranged with two -way transmission lead screw (6) positive and negative thread demarcation as center, two hook plates (7) can be hooked to the top of hooking plate (9) from both sides, the top bottom surface of two hook plates (7) and the top surface of hooking plate (9) are coplanar, the bottom of one side of battery compartment (1) is fixedly connected with lock (3), one end of two -way transmission lead screw (6) is from the center of one side of lock (3) and goes out, the one end of two -way transmission lead screw (6) in lock (3) is fixedly connected with special-shaped anti -theft wrench head (4), the position close to lock bolt of lock (3) is provided with transmission groove, the position of two -way transmission lead screw (6) in transmission groove inner wall is fixedly connected with clamping gear (10), the lock bolt end of lock (3) is fixedly connected with arc clamping rack (12), the arc clamping rack (12) can be clamped with clamping gear (10) fixedly.

2. The battery theft prevention structure for an electric bicycle according to claim 1, characterized by: The bottom of both sides of inside wall of battery compartment (1) is fixedly connected with guide rod (11), the bottom of both sides of two hook plates (7) is slidably connected with two guide rods (11), the length of hook plate (7) is adapted to the length of battery compartment (1).

3. The battery theft prevention structure for an electric bicycle according to claim 2, characterized by: The height of a plurality of storage battery (2) is adapted to the distance from the top of battery compartment (1) to the top of support convex edge (5), the width of inside wall of battery compartment (1) is adapted to the length of storage battery (2), and the length of inside wall of battery compartment (1) is a multiple of the width of storage battery (2).

4. The battery theft preventing structure for an electric bicycle according to claim 3, characterized by: The body of lock (3) is embedded in the inside of battery compartment (1), and the special-shaped anti -theft wrench head (4) is in the inside of lock (3).

5. The battery theft prevention structure for an electric bicycle according to claim 4, characterized by: The length of the top hook head of two hook plates (7) is adapted to the distance from the edge of hooking plate (9) to the side of connecting body (8), and the thickness of two hook plates (7) is less than the thickness of connecting body (8).

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