Anti-theft lithium battery electric bicycle

Abstract

The utility model discloses an anti-theft lithium battery electric bicycle which comprises a bicycle body and further comprises an anti-theft mechanism, the anti-theft mechanism is arranged in the bicycle body, and the anti-theft mechanism comprises a bicycle frame, a lower cover plate, a battery bin, a lithium battery, a bracket, cooling fins, a limiting frame, a side plate, a spring, a movable plate and a clamping plate. A vehicle frame is welded in the vehicle body, a battery bin is formed in the top of the vehicle frame, a lithium battery is placed in the battery bin, a clamping plate can be clamped between heat dissipation plates under the action of elastic force of a spring, the locking effect is achieved, at the moment, the clamping plate cannot be moved from the top of the battery bin, and therefore the lithium battery cannot be taken out; compared with an existing electric bicycle, the lithium battery can not be taken out on the premise that the bicycle body is not broken and dismantled, the anti-theft performance of the lithium battery is greatly improved, and meanwhile the heat dissipation effect of the battery pack is improved. The side plates can be broken and dismantled along the positions of the connecting ribs, and the lithium battery can be taken out only by taking out the clamping plates, and compared with an existing electric bicycle, the lithium battery can not be taken out on the premise that the bicycle body is not broken and dismantled.

Description

TECHNICAL FIELD

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

[0002] Electric bicycle refers to the auxiliary energy source with battery, on the basis of ordinary bicycle, installation of motor, controller, battery, handlebar, brake handle and display instrument system operating components and traffic tools, electric bicycle according to battery type classification can be divided into lithium battery, lead-acid battery and multiple different types, among them, lithium battery has the characteristics of fast charging, light weight, and has extensive use in electric bicycle.

[0003] The existing lithium battery electric bicycle has the following disadvantages when in use: lithium battery assembly is the core component inside lithium battery electric bicycle, the price is higher, the proportion of the whole price of car body is large, so some unscrupulous people will steal lithium battery group inside electric bicycle, the existing lithium battery group is usually directly installed to the inside of car body and theftproof by top cover, and the theftproof effect is poor, and it is easy to be damaged, therefore, we provide a kind of theftproof lithium battery electric bicycle. UTILITY MODEL CONTENTS

[0004] The utility model mainly aims at providing a kind of theftproof lithium battery electric bicycle, through the theftproof mechanism arranged in the inside of car body, the theftproof property of lithium battery can be greatly improved, and the heat dissipation of lithium battery is improved, so that the problems in the background art can be effectively solved.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of theftproof lithium battery electric bicycle, including car body, also include theftproof mechanism, the theftproof mechanism is arranged in the inside of car body, the theftproof mechanism includes frame, lower cover, battery compartment, lithium battery, bracket, heat dissipation fin, limiting frame, side plate, spring, movable plate and clamping plate, the frame is welded in the inside of car body, and battery compartment is opened in the top of frame, the lower cover is installed in the bottom of car body at the outer circumferential position of frame, and the side plate is integrally formed in the inside of lower cover on both sides, the lithium battery is inserted in the inside of battery compartment, the bracket is sleeved on the bottom of lithium battery outer circumferential, and the heat dissipation fin is integrally formed on the surface of bracket, the limiting frame is welded on the top of bracket and clamped to the top of lithium battery, the spring is installed on the surface of side plate towards battery compartment side, and the movable plate is movably connected by spring, the clamping plate is fixedly connected on the surface of movable plate and inserted between heat dissipation fins.

[0007] Further, the auxiliary mechanism is further included, the end of the frame is provided with the auxiliary mechanism, the auxiliary mechanism includes the inclined plate, the air inlet hole, the sliding groove, the baffle and the air outlet hole, the inside of the frame is fixedly connected with the inclined plate towards the end of the vehicle head and the other end of the frame is provided with the air outlet hole, the inside of the inclined plate is provided with the air inlet hole, the inside of the inclined plate is provided with the sliding groove on the side of the air inlet hole and the sliding groove is slidably connected with the baffle; the inclined plate structure is arranged on the side of the vehicle body close to the vehicle head, the surface of the inclined plate is provided with the air inlet hole in communication with the inside of the battery compartment, the baffle can slide obliquely along the sliding groove, in the normal use state, the air inlet hole is in the open state, the airflow will enter the inside of the battery compartment along the air inlet hole during the driving of the vehicle body and is discharged from the air outlet hole, the heat dissipation effect of the lithium battery is improved, when passing through the water section, the baffle can be obliquely slid to close it, so that the air inlet hole is blocked, and the situation that the water enters the inside of the battery compartment during driving is avoided.

[0008] Further, the upper cover plate is movably connected to the surface of the frame at the top of the battery compartment.

[0009] Further, the connecting rib is integrally formed between the connecting position of the side plate and the lower cover plate; the connecting rib structure plays a connecting role, fixes the position of the side plate, and facilitates the breaking and tearing process.

[0010] Further, one side of the end of the baffle extends to the outside of the inclined plate, the rubber pad is bonded to the connecting position of the outer wall of the baffle and the inner wall of the sliding groove, and the drainage holes are arranged on both sides of the inside of the frame; the rubber pad structure increases the friction and sealing performance of the connecting position, so that the baffle cannot slide randomly, and the sealing performance of the connecting position is ensured, and a small amount of water entering the battery compartment can be discharged through the drainage holes.

[0011] Compared with the prior art, the utility model have following beneficial effect: The bottom of car body is provided with frame structure and the battery compartment inside frame is used for placing lithium battery, lithium battery periphery installs fixed bracket and spacing frame structure, before lithium battery inserts battery compartment inside, use tool to extrude clamping plate to both sides, make that spring is in compression state, further place lithium battery into battery compartment inside, after placing in position, draw out tool, clamping plate will be clamped under spring elasticity between heat dissipation plate position, play locking effect, at this moment from battery compartment top cannot move clamping plate, so cannot carry out lithium battery's taking out, need to change lithium battery, can break down to side plate along connecting rib position, take out clamping plate to carry out lithium battery's taking out, after replacement is completed, can reset clamping plate and install position with connecting rib with adhesive etc. way secondary fixed, compared with the prior art electric bicycle, under the premise of not breaking down car body, cannot carry out lithium battery's taking out, greatly improved lithium battery's theftproof nature, improve the heat dissipation effect of battery pack simultaneously, the oblique plate structure is equipped with the air inlet hole that communicates with the battery compartment inside on the side position close to the car head of car body, the baffle can be oblique sliding along the sliding slot, in normal use state, the air inlet hole is in the open state, airflow will enter the battery compartment inside along the air inlet hole during the car body driving, and is discharged from the air outlet hole, improve the heat dissipation effect of lithium battery, when passing through the water section, also can oblique sliding baffle and close it, make it block the air inlet hole, further avoid the condition that water enters the battery compartment inside during driving. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the whole structure schematic diagram of the utility model of one kind for theftproof lithium battery electric bicycle.

[0013] Fig. 2 It is the lithium battery installation rear view structure schematic diagram of the utility model of one kind for theftproof lithium battery electric bicycle.

[0014] Fig. 3 It is the auxiliary mechanism structure schematic diagram of the utility model of one kind for theftproof lithium battery electric bicycle.

[0015] In the drawing: 1, car body;2, theftproof mechanism;201, frame;202, lower cover plate;203, upper cover plate;204, battery compartment;205, lithium battery;206, bracket;207, heat dissipation fin;208, spacing frame;209, side plate;210, connecting rib;211, spring;212, movable plate;213, clamping plate;3, auxiliary mechanism;301, oblique plate;302, air inlet hole;303, sliding slot;304, baffle;305, rubber pad;306, drain hole;307, air outlet hole. DETAILED DESCRIPTION

[0016] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0017] like Figs. 1-3 As shown, an anti-theft lithium battery electric bicycle includes a frame 1 and an anti-theft mechanism 2. The anti-theft mechanism 2 is installed inside the frame 1. The anti-theft mechanism 2 includes a frame 201, a lower cover plate 202, a battery compartment 204, a lithium battery 205, a bracket 206, heat dissipation fins 207, a limiting bracket 208, a side plate 209, a spring 211, a movable plate 212, and a locking plate 213. The frame 201 is welded inside the frame 1, and the battery compartment 204 is opened on the top of the frame 201. The lower cover plate 202 is installed at the bottom of the frame 1, located on the outer periphery of the frame 201. Both sides of the plate 202 are integrally formed with side plates 209. A lithium battery 205 is inserted into the battery compartment 204. A bracket 206 is sleeved on the bottom of the outer periphery of the lithium battery 205, and heat dissipation fins 207 are integrally formed on the surface of the bracket 206. A limiting bracket 208 is welded to the top of the bracket 206 and is locked to the top of the lithium battery 205. A spring 211 is installed on the side of the side plate 209 facing the battery compartment 204, and a movable plate 212 is movably connected to the side plate 209. A clamping plate 213 is fixedly connected to the surface of the movable plate 212 and inserted between the heat dissipation fins 207.

[0018] The system also includes an auxiliary mechanism 3. The auxiliary mechanism 3 is located at the end of the frame 201. The auxiliary mechanism 3 includes a ramp 301, an air inlet 302, a groove 303, a baffle 304, and an exhaust vent 307. The ramp 301 is fixedly connected to the end of the frame 201 facing the front of the vehicle, and an exhaust vent 307 is provided at the other end of the frame 201. An air inlet 302 is provided inside the ramp 301. Grooves 303 are provided inside the ramp 301 and on the side of the air inlet 302, and a baffle 304 is slidably connected between the grooves 303. A baffle 304 is also provided on the side of the vehicle body 1 near the front of the vehicle. The device has a sloping plate 301 structure. The surface of the sloping plate 301 is provided with an air inlet 302 that communicates with the inside of the battery compartment 204. The baffle 304 can slide obliquely along the slide groove 303. Under normal use, the air inlet 302 is in the open state. During the driving of the vehicle body 1, the airflow will enter the inside of the battery compartment 204 through the air inlet 302 and be discharged from the exhaust vent 307, which improves the heat dissipation effect of the lithium battery 205. When passing through water crossings, the baffle 304 can also be slid obliquely to close it, blocking the air inlet 302, thereby preventing water from entering the inside of the battery compartment 204 during driving.

[0019] The upper cover plate 203 is movably connected to the top of the battery compartment 204, and the connecting rib 210 is integrally formed between the side plate 209 and the lower cover plate 202.

[0020] The end of the baffle plate 304 extends to the outside of the inclined plate 301, the rubber pad 305 is attached to the connecting position between the outer wall of the baffle plate 304 and the inner wall of the chute 303, and the drainage holes 306 are arranged on both sides of the inside of the frame 201.

[0021] It should be noted that the utility model is a kind of anti-theft lithium battery electric bicycle, when using, the bottom of vehicle body 1 is provided with frame 201 structure and the battery compartment 204 in the inside of frame 201 is used to place lithium battery 205, lithium battery 205 is equipped with fixed bracket 206 and limiting frame 208 structure in periphery, before lithium battery 205 is inserted into the inside of battery compartment 204, tool is used to extrude clamping plate 213 to both sides, so that spring 211 is in compression state, then lithium battery 205 is placed into the inside of battery compartment 204, after being placed in position, tool is extracted, clamping plate 213 will be clamped into the position between heat dissipation plate under the action of spring 211 elastic force, locking effect is achieved, at this time, clamping plate 213 cannot be moved from the top of battery compartment 204, so lithium battery 205 cannot be taken out, when lithium battery 205 needs to be replaced, side plate 209 can be broken down along the position of connecting rib 210, clamping plate 213 is taken out to take out lithium battery 205, after replacement is completed, clamping plate 213 can be reset and fixed again by using adhesive etc. at the installation position of connecting rib 210, compared with prior art electric bicycle, lithium battery 205 cannot be taken out without breaking down vehicle body 1, greatly improve the anti-theft property of lithium battery 205, and the heat dissipation effect of battery pack is improved;Inclined plate 301 structure is arranged at the position of the side of vehicle body 1 close to vehicle head, air inlet hole 302 is arranged on the surface of inclined plate 301 and communicated with the inside of battery compartment 204, baffle plate 304 can be obliquely slid along chute 303, in normal use state, air inlet hole 302 is in open state, airflow will enter the inside of battery compartment 204 along air inlet hole 302 during the driving of vehicle body 1, and is discharged from air outlet hole 307, the heat dissipation effect of lithium battery 205 is improved, when passing through water section, baffle plate 304 can be obliquely slid and closed, so that air inlet hole 302 is blocked, and the situation that water enters the inside of battery compartment 204 during driving is avoided.

[0022] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An anti-theft lithium battery electric bicycle, comprising a frame (1), characterized in that, It also includes an anti-theft mechanism (2). The anti-theft mechanism (2) is installed inside the vehicle body (1). The anti-theft mechanism (2) includes a frame (201), a lower cover plate (202), a battery compartment (204), a lithium battery (205), a bracket (206), a heat dissipation fin (207), a limiting bracket (208), a side plate (209), a spring (211), a movable plate (212), and a locking plate (213). The frame (201) is welded inside the vehicle body (1), and the battery compartment (204) is opened on the top of the frame (201). The lower cover plate (202) is installed at the bottom of the vehicle body (1) on the outer periphery of the frame (201), and the lower cover plate (202) is installed inside the lower cover plate (202). Both sides are integrally formed with side plates (209). A lithium battery (205) is inserted into the battery compartment (204). A bracket (206) is sleeved on the bottom of the outer periphery of the lithium battery (205), and a heat dissipation fin (207) is integrally formed on the surface of the bracket (206). A limiting bracket (208) that is locked to the top of the lithium battery (205) is welded to the top of the bracket (206). A spring (211) is installed on the side of the side plate (209) facing the battery compartment (204), and a movable plate (212) is movably connected through the spring (211). A clamping plate (213) that is inserted between the heat dissipation fins (207) is fixedly connected to the surface of the movable plate (212).

2. The anti-theft lithium battery electric bicycle according to claim 1, characterized in that: It also includes an auxiliary mechanism (3). The end of the frame (201) is provided with an auxiliary mechanism (3). The auxiliary mechanism (3) includes a sloping plate (301), an air inlet (302), a groove (303), a baffle (304), and an exhaust hole (307). The sloping plate (301) is fixedly connected to the end of the frame (201) facing the front of the vehicle, and an exhaust hole (307) is opened at the other end of the frame (201). An air inlet (302) is opened inside the sloping plate (301). A groove (303) is opened inside the sloping plate (301) and on the side of the air inlet (302), and a baffle (304) is slidably connected between the grooves (303).

3. The anti-theft lithium battery electric bicycle according to claim 1, characterized in that: The surface of the frame (201) is movably connected to the top of the battery compartment (204) with a top cover plate (203).

4. The anti-theft lithium battery electric bicycle according to claim 1, characterized in that: A connecting rib (210) is integrally formed at the connection between the side plate (209) and the lower cover plate (202).

5. The anti-theft lithium battery electric bicycle according to claim 2, characterized in that: The baffle (304) extends to the outside of the inclined plate (301) on one side. A rubber pad (305) is bonded to the connection between the outer wall of the baffle (304) and the inner wall of the slide groove (303). Drainage holes (306) are provided on both sides of the inside of the frame (201).

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