Lower tube and battery combined structure of electric bicycle

Abstract

The utility model discloses a lower tube battery combination structure of an electric bicycle, which belongs to the technical field of electric bicycles and comprises a tube body, a battery body and a cover plate, the battery body is detachably connected into the tube body, the cover plate is detachably connected onto the tube body and corresponds to the battery body, a power connection seat and a clamping seat are fixedly connected into the tube body, and the clamping seat is fixedly connected onto the tube body. The clamping seat and the power connection seat correspond to the front end and the rear end of the battery body respectively, a lock catch assembly is arranged between the front end of the battery body and the clamping seat, a buckle assembly is arranged between the cover plate and the clamping seat, two side top plates are connected to the battery body in a sliding mode, and the two side top plates correspond to the two symmetrical side walls of the pipe body respectively; according to the utility model, the two lower jacking blocks and the two side jacking plates can jack and support the battery body in the pipe bodies with different sizes, so that the battery body is kept stable, the combined assembly of the pipe bodies with different sizes is met, and the battery can be matched with various types of electric bicycles and is wide in application range.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric bicycle technical field, more specifically, relate to a lower pipe battery combination structure of electric bicycle. BACKGROUND

[0002] Electric bicycle is with vehicle-mounted battery as auxiliary energy, has the ability of pedaling, can realize electric assist or electric drive function two-wheeled bicycle, wherein, electric bicycle lower pipe is the important component part of electric bicycle frame, it usually is located below the frame, connects the front fork and the middle axle pipe, plays the function such as supporting the body, installing battery box.

[0003] At present, the battery of electric bicycle is usually installed in the lower pipe, and the lower pipe can protect the battery, but most of the existing battery is usually integrated with the cover plate of the lower pipe, after the battery is installed in the lower pipe, the cover plate will match the lower pipe, and the battery is protected inside, since the cover plate can only match the corresponding lower pipe, the battery can only be combined with one size of lower pipe, and cannot be used universally on other models, so the application range is small. UTILITY MODEL CONTENTS

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the utility model aims at providing a lower pipe battery combination structure of electric bicycle, which aims at solving the problem that the battery is usually integrated with the cover plate of the lower pipe in the prior art, after the battery is installed in the lower pipe, the cover plate will match the lower pipe, and the battery is protected inside, since the cover plate can only match the corresponding lower pipe, the battery can only be combined with one size of lower pipe, and cannot be used universally on other models, so the application range is small.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme:

[0008] A battery assembly structure for a lower tube of an electric bicycle includes a tube body, a battery body, and a cover plate. The battery body is detachably connected to the tube body, and the cover plate is detachably connected to the tube body, corresponding to the battery body. A power connector and a locking seat are fixedly connected inside the tube body, and the locking seat and the power connector correspond to the front and rear ends of the battery body, respectively. A locking assembly is provided between the front end of the battery body and the locking seat, and a locking assembly is provided between the cover plate and the locking seat. Two side top plates are slidably connected to the battery body, and the two side top plates correspond to the symmetrical side walls of the tube body, respectively. Slides are provided at both symmetrical side ends of the battery body, and nuts are slidably connected in both slides. Screws are threadedly connected in both nuts, and lower top blocks are fixedly connected to the bottom ends of both screws, and the two lower top blocks are located at the bottom of the battery body and correspond to the bottom wall of the tube body. The ends of the two nuts that are far apart are movably hinged to connecting rods through hinge shafts, and the two connecting rods are movably hinged to the two side top plates through hinge shafts, respectively.

[0009] As a preferred embodiment of this utility model, the locking assembly includes a latching groove, an elastic latch, a spring, an elastic slot, a lock cylinder, and a lock opening. The latching groove is located at the front end of the battery body. The elastic latch is slidably connected within the latching groove. The spring is disposed within the latching groove and corresponds to the elastic latch. The elastic slot is located on the mounting base and matches the elastic latch. The lock cylinder is fixedly connected within the tube body and moves through the mounting base. The lock opening is located at the front end of the battery body, and the lock cylinder corresponds to the lock opening.

[0010] As a preferred embodiment of this utility model, the buckle assembly includes a sliding opening, a push block, a flat push buckle, and a flat push slot. The sliding opening is opened on the cover plate, the push block is slidably connected inside the sliding opening, the flat push buckle is fixedly connected to the bottom end of the push block, and the flat push slot is opened on the buckle seat, with the flat push buckle matching the flat push slot.

[0011] As a preferred embodiment of this utility model, a rear slot is provided at the rear end of the battery body, and a rear protrusion is fixedly connected to the power connector, and the rear protrusion matches the rear slot.

[0012] As a preferred embodiment of this utility model, the card holder is provided with an elastic component, and the elastic component corresponds to the bottom front end of the battery body.

[0013] As a preferred embodiment of this utility model, the top of the battery body is provided with a top plate groove, and the top of each of the two side top plates is fixedly connected with a sliding piece, and the two sliding pieces are slidably connected in the two top plate grooves respectively.

[0014] As one preferred scheme of the utility model, the bottom end of two lower top blocks is fixedly connected with anti-skid pads, and the end of two side top plates away from each other is fixedly connected with anti-skid convex blocks.

[0015] As one preferred scheme of the utility model, the power receiving seat is provided with a positioning opening, the rear end of the cover plate is fixedly connected with a positioning block, and the positioning block and the positioning opening are matched.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) In the scheme, the battery body is fixed in the pipe body through the front end locking buckle assembly, the cover plate is installed at the opening of the pipe body through the front end buckle assembly, the combination assembly of the pipe body and the battery body is realized, wherein the battery body and the cover plate are split type, the battery body can be taken out alone, by adjusting the downward extension length of the two screw rods, the two lower top blocks contact the bottom walls of pipe bodies of different sizes, the two side top plates contact the symmetrical side walls of pipe bodies of different sizes, the two lower top blocks and the two side top plates can support the battery body in the pipe bodies of different sizes, the battery body is kept stable, the combination assembly of pipe bodies of different sizes is satisfied, a plurality of electric bicycle models can be matched, and the application range is wide. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the front view of the utility model;

[0020] Figure 2 It is the explosion drawing of the utility model;

[0021] Figure 3 It is the structure drawing of the pipe body in the utility model;

[0022] Figure 4 It is the structure drawing of the battery body in the utility model;

[0023] Figure 5 It is the explosion drawing of the utility model in Figure 4 ;

[0024] Figure 6 It is the first structure drawing of the cover plate in the utility model;

[0025] Figure 7 It is the second structure drawing of the cover plate in the utility model.

[0026] Explanation of reference numerals in the drawing:

[0027] 1, pipe body; 2, electrical connector; 3, card holder; 4, battery body; 5, lock catch assembly; 51, buckle sliding groove; 52, elastic buckle; 53, spring; 54, elastic buckle slot; 55, lock core; 56, lock opening; 6, cover plate; 7, buckle assembly; 71, sliding opening; 72, push block; 73, flat push buckle; 74, flat push buckle slot; 8, side top plate; 9, slide; 10, nut; 11, screw; 12, lower top block; 13, connecting rod; 14, rear buckle slot; 15, rear protrusion; 16, elastic component; 17, top plate sliding groove; 18, sliding sheet; 19, non-slip pad; 20, non-slip protrusion group; 21, positioning opening; 22, positioning block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Embodiment:

[0032] Please refer to Figures 1-7The utility model provides a kind of lower tube battery combination structure of electric bicycle, including tube body 1, battery body 4 and cover plate 6, battery body 4 is detachably connected in tube body 1, cover plate 6 is detachably connected on tube body 1, and cover plate 6 corresponds with battery body 4, fixedly connected with electrical connector 2 and clamping seat 3 in tube body 1, and clamping seat 3 and electrical connector 2 correspond with the front and rear ends of battery body 4 respectively, locking buckle assembly 5 is arranged between the front end of battery body 4 and clamping seat 3, buckle assembly 7 is arranged between cover plate 6 and clamping seat 3, two side top plates 8 are slidably connected on battery body 4, and the two side top plates 8 correspond with the two symmetrical side walls of tube body 1 respectively, two slideways 9 are formed in the two symmetrical side ends of battery body 4, nut 10 is slidably connected in two slideways 9, screw rod 11 is threadedly connected in two nuts 10, lower top block 12 is fixedly connected at the bottom of two screw rods 11, and the two lower top blocks 12 correspond with the bottom wall of tube body 1 at the bottom of battery body 4, and the end of two nuts 10 away from each other is movably hinged with connecting rod 13 through hinge shaft, and two connecting rods 13 are movably hinged on two side top plates 8 respectively.

[0033] In the embodiment, the tube body 1 is fixed on the frame of the electric bicycle, the battery body 4 is installed in the tube body 1, the rear end of the battery body 4 is inserted into the electrical connector 2 to achieve electrical connection, the battery body 4 is electrically connected between the electric bicycle and the external power source through the electrical connector 2, so that the battery body 4 can be powered and charged, during installation in the tube body 1, the front end of the battery body 4 is clamped and locked by the locking buckle assembly 5 and the clamping seat 3, so as to be fixed, so that the battery body 4 is stable in the tube body 1, after the battery body 4 is installed in the tube body 1, the cover plate 6 matches the opening of the tube body 1, the cover plate 6 is placed at the opening of the tube body 1, the front end of the cover plate 6 is limited by the buckle assembly 7 and the clamping seat 3, so as to be fixed on the tube body 1 to protect the battery body 4, when the battery body 4 is applied in different tube bodies 1 of different vehicle models, two lower top blocks 12 are rotated to rotate two screw rods 11, two screw rods 11 extend downward in two nuts 10 by the same length, the battery body 4 is installed in the tube body 1 of different vehicle models, two lower top blocks 12 at the bottom of two screw rods 11 contact the bottom wall of the tube body 1, so that two screw rods 11 drive two nuts 10 to slide upward in two slideways 9, two slideways 9 move upward to push two side top plates 8 away from each other through two connecting rods 13, two side top plates 8 slide on the battery body 4 and contact the two symmetrical side walls of the tube body 1 respectively, so that the battery body 4 is stable in the different size tube body 1, and adapt to the tube body 1 of different vehicle models.

[0034] Specifically, the lock catch assembly 5 comprises a catch sliding groove 51, an elastic catch 52, a spring 53, an elastic catch groove 54, a lock core 55 and a lock hole 56. The catch sliding groove 51 is formed in the front end of the battery body 4. The elastic catch 52 is slidingly connected in the catch sliding groove 51. The spring 53 is arranged in the catch sliding groove 51 and corresponds to the elastic catch 52. The elastic catch groove 54 is formed in the card seat 3 and matches the elastic catch 52. The lock core 55 is fixedly connected in the pipe body 1 and movably penetrates the card seat 3. The lock hole 56 is formed in the front end of the battery body 4 and corresponds to the lock core 55.

[0035] In this embodiment, when the battery body 4 is installed in the pipe body 1, the rear end of the battery body 4 is first inserted into the electric connection seat 2. The elastic catch 52 at the front end of the battery body 4 is retracted into the catch sliding groove 51 under the extrusion of the card seat 3 and compresses the spring 53. When the battery body 4 is horizontally placed in the pipe body 1, the elastic catch 52 corresponds to the spring 53, the lock hole 56 corresponds to the lock tongue of the lock core 55, and the spring 53 makes the elastic catch 52 clamped into the elastic catch groove 54 by the elastic force of the spring 53, so that the battery body 4 is stably installed in the pipe body 1. The key is used to rotate the lock core 55, so that the lock tongue on the lock core 55 penetrates the card seat 3 and is inserted into the lock hole 56, thereby fixing the battery body 4 in the pipe body 1 and preventing the battery body 4 from being removed by others.

[0036] Specifically, the catch assembly 7 comprises a sliding hole 71, a push block 72, a flat push catch 73 and a flat push catch groove 74. The sliding hole 71 is formed in the cover plate 6. The push block 72 is slidingly connected in the sliding hole 71. The flat push catch 73 is fixedly connected to the bottom end of the push block 72. The flat push catch groove 74 is formed in the card seat 3 and matches the flat push catch 73.

[0037] In this embodiment, when the cover plate 6 is buckled at the opening of the pipe body 1 to protect the battery body 4, the flat push catch 73 corresponds to the flat push catch groove 74. By pushing the push block 72 in the sliding hole 71 to move forward, the push block 72 drives the flat push catch 73 to move and insert into the flat push catch groove 74. The flat push catch 73 and the flat push catch groove 74 are inserted to stably fix the cover plate 6 at the opening of the pipe body 1 and protect the battery body 4.

[0038] Specifically, the rear end of the battery body 4 is provided with a rear catch groove 14. The electric connection seat 2 is fixedly connected with a rear protruding block 15 which matches the rear catch groove 14.

[0039] In this embodiment, when the rear end of the battery body 4 is inserted into the electric connection seat 2 for electrical connection, the rear catch groove 14 at the rear end of the battery body 4 corresponds to the insertion of the rear protruding block 15. The rear catch groove 14 and the rear protruding block 15 limit the rear end of the battery body 4 to keep the battery body 4 stable in the pipe body 1.

[0040] Specifically, the card seat 3 is provided with an elastic component 16, and the elastic component 16 corresponds to the bottom of the front end of the battery body 4.

[0041] In the embodiment, when the front end of the battery body 4 is fixed by the lock catch assembly 5, the bottom wall of the front end of the battery body 4 is in contact with and extrudes the elastic component 16. When the battery body 4 needs to be taken out, the lock tongue is retracted from the lock hole 56 by rotating the lock cylinder 55 with a key, the fixation of the front end of the battery body 4 is cancelled, then the elastic buckle 52 is pressed to retract into the buckle sliding groove 51, and the elastic buckle 52 is moved out of the elastic buckle groove 54. At this time, the front end of the battery body 4 is not restricted, the elastic component 16 pops up the front end of the battery body 4 upward by the elastic force of the elastic component 16, and the front end of the battery body 4 is lifted to facilitate taking out.

[0042] Specifically, the top end of the battery body 4 is provided with a top plate sliding groove 17, the top end of each of the two side top plates 8 is fixedly connected with a sliding piece 18, and the two sliding pieces 18 are slidingly connected in the two top plate sliding grooves 17 respectively.

[0043] In the embodiment, when the two nuts 10 move to push the two side top plates 8 through the two connecting rods 13, the two side top plates 8 are stably moved through the sliding connection of the two sliding pieces 18 in the top plate sliding grooves 17, so as to be well in contact with the symmetrical two side walls of the pipe body 1.

[0044] Specifically, the bottom end of each of the two lower top blocks 12 is fixedly connected with an anti-skid pad 19, and the end away from each other of the two side top plates 8 is fixedly connected with an anti-skid convex block group 20.

[0045] In the embodiment, the two anti-skid pads 19 are used to increase the friction between the bottom of the two lower top blocks 12 and the bottom wall of the pipe body 1, and the two anti-skid convex block groups 20 are used to increase the friction between the two side top plates 8 and the symmetrical two side walls of the pipe body 1, so that the battery body 4 can be better stably arranged in the pipe body 1.

[0046] Specifically, the power connection seat 2 is provided with a positioning hole 21, the rear end of the cover plate 6 is fixedly connected with a positioning block 22, and the positioning block 22 and the positioning hole 21 are matched.

[0047] In the embodiment, when the cover plate 6 is buckled at the opening of the pipe body 1, the positioning block 22 is inserted into the positioning hole 21 first, so that the rear end is stable, and then the buckle assembly 7 at the front end is fixed at the opening of the pipe body 1.

[0048] Working principle: when the pipe body 1 and the battery body 4 are combined for use, according to the size of the pipe body 1, the two screws 11 are rotated to adjust the two lower jacks 12 to the required height, then the rear end of the battery body 4 is inserted into the electric connector 2, the electric connector 2 can supply power to the electric bicycle and connect the external power supply for charging, at the same time, the rear clamping groove 14 and the rear protruding block 15 of the rear end of the battery body 4 are inserted correspondingly, so that the connection between the rear end of the battery body 4 and the electric connector 2 is stable, then the front end of the battery body 4 is pressed into the pipe body 1, the elastic buckle 52 is extruded into the buckle sliding groove 51, and the spring 53 is extruded, when the battery body 4 is horizontally inserted into the pipe body 1, the elastic buckle 52 corresponds to the elastic clamping groove 54, the lock core 55 corresponds to the lock hole 56, under the action of the spring 53, the elastic buckle 52 is clamped into the elastic clamping groove 54, so that the battery body 4 is stable, the lock core 55 is rotated by using the key, so that the lock tongue of the lock core 55 is inserted into the lock hole 56, and the cover plate 6 is fixed, in the process of pressing the front end of the battery body 4 into the pipe body 1, the two lower jacks 12 at the bottom of the two screws 11 first contact the bottom wall of the pipe body 1, so that the two screws 11 drive the two nuts 10 to slide upward in the two sliding ways 9, in the process of upward movement of the two nuts 10, the two side jacks 8 are pushed through the two connecting rods 13, so that the two side jacks 8 contact the two symmetrical side walls of the pipe body 1 respectively, the two lower jacks 12 support the bottom wall of the pipe body 1, and the two side jacks 8 support the two symmetrical side walls of the pipe body 1, so that the battery body 4 can be stably combined in the pipe body 1 with different sizes, after the installation of the battery body 4 is completed, the positioning block 22 at the rear end of the cover plate 6 is inserted into the positioning hole 21 on the electric connector 2, so that the rear end of the cover plate 6 is fixed, then the cover plate 6 is buckled at the opening of the pipe body 1, so that the flat push buckle 73 corresponds to the flat push clamping groove 74, the flat push buckle 73 is moved and inserted into the flat push clamping groove 74 by pushing the push block 72 in the sliding hole 71, so that the cover plate 6 is fixed to complete the combination of the battery body 4 and the pipe body 1, when the battery body 4 is taken out for replacement, the flat push buckle 73 is separated from the flat push clamping groove 74 by reversely pushing the push block 72, the cover plate 6 is taken off, then the lock tongue is retracted from the lock hole 56 by rotating the lock core 55 with the key, so that the front end of the battery body 4 is fixed, then the elastic buckle 52 is retracted into the buckle sliding groove 51, and the elastic part 16 pushes the front end of the battery body 4 upward, so that the battery body 4 can be taken out for replacement.

[0049] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A battery assembly structure for a lower tube of an electric bicycle, comprising a tube body (1), a battery body (4), and a cover plate (6), characterized in that: The battery body (4) is detachably connected to the tube body (1), and the cover plate (6) is detachably connected to the tube body (1), with the cover plate (6) corresponding to the battery body (4). A power connector (2) and a retainer (3) are fixedly connected inside the tube body (1), with the retainer (3) and the power connector (2) corresponding to the front and rear ends of the battery body (4), respectively. A locking assembly (5) is provided between the front end of the battery body (4) and the retainer (3), and a locking assembly (7) is provided between the cover plate (6) and the retainer (3). Two side top plates (8) are slidably connected to the battery body (4), and the two side top plates (8) are respectively connected to the tube body (1). The two symmetrical side walls of the body (1) correspond to each other. The two symmetrical side ends of the battery body (4) are provided with slides (9). Nuts (10) are slidably connected in the two slides (9). Screws (11) are threaded in the two nuts (10). The bottom ends of the two screws (11) are fixedly connected with lower top blocks (12). The two lower top blocks (12) are located at the bottom of the battery body (4) and correspond to the bottom wall of the tube body (1). The two nuts (10) are hinged to connecting rods (13) through hinge shafts. The two connecting rods (13) are hinged to the two side top plates (8) through hinge shafts respectively.

2. The lower tube battery assembly structure for an electric bicycle according to claim 1, characterized in that: The latch assembly (5) includes a latch slide (51), an elastic latch (52), a spring (53), an elastic slot (54), a lock cylinder (55), and a lock opening (56). The latch slide (51) is located at the front end of the battery body (4). The elastic latch (52) is slidably connected in the latch slide (51). The spring (53) is located in the latch slide (51) and corresponds to the elastic latch (52). The elastic slot (54) is located on the card seat (3) and matches the elastic latch (52). The lock cylinder (55) is fixedly connected in the tube (1) and moves through the card seat (3). The lock opening (56) is located at the front end of the battery body (4) and corresponds to the lock cylinder (55).

3. The lower tube battery assembly structure for an electric bicycle according to claim 2, characterized in that: The buckle assembly (7) includes a sliding opening (71), a push block (72), a flat push buckle (73), and a flat push slot (74). The sliding opening (71) is opened on the cover plate (6). The push block (72) is slidably connected to the sliding opening (71). The flat push buckle (73) is fixedly connected to the bottom end of the push block (72). The flat push slot (74) is opened on the card holder (3), and the flat push buckle (73) matches the flat push slot (74).

4. The lower tube battery assembly structure for an electric bicycle according to claim 3, characterized in that: The rear end of the battery body (4) is provided with a rear slot (14), and a rear protrusion (15) is fixedly connected to the power connector (2), and the rear protrusion (15) matches the rear slot (14).

5. The lower tube battery assembly structure for an electric bicycle according to claim 4, characterized in that: The card holder (3) is provided with an elastic component (16), and the elastic component (16) corresponds to the bottom front end of the battery body (4).

6. The lower tube battery assembly structure for an electric bicycle according to claim 5, characterized in that: The top of the battery body (4) is provided with a top plate groove (17), and the top of the two side top plates (8) are fixedly connected with sliding pieces (18), and the two sliding pieces (18) are slidably connected in the two top plate grooves (17).

7. The lower tube battery assembly structure for an electric bicycle according to claim 6, characterized in that: The bottom ends of the two lower top blocks (12) are fixedly connected with anti-slip pads (19), and the ends of the two side top plates (8) that are far apart are fixedly connected with anti-slip protrusion groups (20).

8. The lower tube battery assembly structure for an electric bicycle according to claim 7, characterized in that: The power connector (2) has a positioning port (21), and the rear end of the cover plate (6) is fixedly connected to a positioning block (22), and the positioning block (22) and the positioning port (21) are matched.

Images