Novel middle wire outlet saddle tube battery applied to electric bicycle

Abstract

The invention belongs to the technical field of electric bicycles, and discloses a novel middle outlet saddle tube battery applied to an electric bicycle, which comprises a battery shell, a saddle tube head shell, an external connecting wire and a discharge plug, the other end of the external connecting wire sequentially penetrates through the external connecting wire transition block, the second sliding block and the first sliding block to be connected with one end of a spring discharging wire, and the other end of the spring discharging wire is divided into a battery discharging connecting end and a tail lamp power line. The battery discharging connecting end and the tail lamp power line sequentially penetrate through the spring discharging wire fixing base, a first wire hole and a second wire hole, wherein the first wire hole and the second wire hole are formed in the lower end cover of the battery shell. The tail lamp power line is connected with a tail lamp. Through the design of the middle wire outlet saddle tube battery, the discharging wire does not need to be exposed excessively, so that the overall appearance of the electric bicycle is more compact and attractive, space utilization is optimized, and the safety performance and user experience of the electric bicycle are improved.

Description

Technical Field

[0001] The invention relates to the technical field of electric bicycles, in particular to a novel middle outlet saddle tube battery used in electric bicycles. Background Art

[0002] With the improvement of environmental awareness, bicycles are becoming more and more popular as a green travel method. Bicycles, also known as bicycles or bicycles, are usually two-wheeled small land vehicles, usually driven by pedals. According to the working characteristics of each component, it can be roughly divided into a guiding system, a driving system and a braking system.

[0003] The power source of traditional bicycles mainly depends on manpower, which limits its scope of use and convenience to a certain extent. In order to solve this problem, a variety of power-assisted bicycles have appeared on the market, among which bicycles using batteries as power sources are particularly popular.

[0004] However, after the bicycle is electrified, the battery on the vehicle takes up a large space of the entire vehicle, and also affects the center of gravity and stability of the bicycle. It is also inconvenient to charge on the vehicle, and there are safety hazards. In order to solve the above problems, electric bicycles with saddle tube batteries have appeared on the market. The battery is built into the seat post, which can effectively utilize the free space on the bicycle, does not occupy additional installation positions, and makes the overall design of the bicycle more compact and beautiful. The battery is integrated in the seat post, which helps to improve the weight distribution of the bicycle, making the ride more stable and comfortable.

[0005] Existing saddle tube batteries have two types of discharge outlets: upper outlet and lower outlet. Among them, the upper outlet saddle tube battery has a wire end with a length of more than 40cm exposed, which has two obvious disadvantages. First, too much exposed wire will damage the appearance of the electric bicycle. Second, too much exposed wire will cause danger when driving, and it will be scratched by foreign objects, thereby damaging the wire.

[0006] For the saddle tube battery with lower-end outlet, although it solves the problem of too many exposed wires, it brings another problem, that is, it is inconvenient for users to connect the controller through the discharge plug, and the electric bicycle needs to be laid down, which makes users hesitate when purchasing such products, thus affecting sales. Summary of the invention

[0007] The present invention aims to solve the shortcomings in the prior art and proposes a new type of middle outlet saddle tube battery for electric bicycles.

[0008] The present invention is implemented as follows: a new type of central outlet saddle tube battery for electric bicycles, comprising a battery shell, a saddle tube head shell, an external connection wire and a discharge plug, wherein the battery shell is a cylindrical structure, the battery shell is a hollow structure, a battery is installed inside the battery shell, and one end of the external connection wire is connected to the discharge plug. A slide groove 1 is provided on the outer wall of the battery shell, a slide groove 2 is provided at the connection between the inner wall of the battery shell and the slide groove 1, the top of the battery shell is fixedly connected to the saddle tube head shell, the lower end of the battery shell is fixedly connected to the anti-collision base through the lower end cover of the battery shell, the other end of the external connection wire passes through the external connection wire transition block, the slider 2 and the slider 1 in sequence and is connected to one end of the spring discharge wire, the other end of the spring discharge wire is divided into a battery discharge connection end and a taillight power line, the battery discharge connection end and the taillight power line pass through the spring discharge wire fixed base and the wire hole 1 and the wire hole 2 provided on the lower end cover of the battery shell in sequence, the taillight power line is connected to the taillight, and the battery discharge connection end and the conductive sheet.

[0009] As a further description of the above technical solution: the slider 1 and the spring discharge wire are installed in the slide groove 2, and the slider 2 is embedded between the slide grooves 1; an anti-theft limit strip installation groove is opened at the lower end of the slide groove 1, and the anti-theft limit strip is embedded in the anti-theft limit strip installation groove.

[0010] As a further description of the above technical solution: a fixing block 1 is provided at the upper end of the inner cavity of the battery shell, a fixing block 2 is provided at the lower end of the inner cavity of the battery shell, and the battery cells between the fixing block 1 and the fixing block 2 are connected together through a conductive sheet.

[0011] As a further description of the above technical solution: a saddle fixing clamp is provided on the upper part of the saddle head shell, a tail light is provided on one side of the saddle head shell, and a charging port is provided on the other side of the saddle head shell opposite to the tail light.

[0012] As a further description of the above technical solution: the distance between the upper end of the slide groove 1 and the upper edge of the battery housing is 5mm~20mm, and the width of the slide groove 1 is 5~10mm.

[0013] As a further description of the above technical solution: the inner cavity cross-section of the second slide groove is an arc shape, and the diameter of the arc is 10mm~25mm; the slider one is a cylindrical structure, and the diameter of the slider one is 1mm~2mm smaller than the diameter of the second slide groove.

[0014] As a further description of the above technical solution: the inner cavity cross-section of the second slide groove is a regular polygon shape, and the side length of the regular polygon is 5mm~11mm; the slider one is a regular prism structure, and the number of sides of the bottom surface of the regular prism is the same as the number of sides of the regular polygon of the inner cavity cross-section of the second slide groove, and the side length of the bottom surface of the slider one is 0.5mm~1mm smaller than the side length of the second slide groove.

[0015] As a further description of the above technical solution: the length of the slider 1 is 20mm~40mm.

[0016] As a further description of the above technical solution: the diameter of the spring discharge wire is 9 mm to 24 mm, and the length of the spring discharge wire in the natural state is 100 mm to 250 mm.

[0017] As a further description of the above technical solution: the anti-theft limit strip and the spring discharge wire fixing base are fixedly connected to the lower end cover of the battery housing, and the length of the anti-theft limit strip is 80mm~150mm.

[0018] As a further description of the above technical solution: four fixing bolt mounting grooves are provided on the inner wall of the battery shell, and four battery shell lower end cover mounting holes are opened on the battery shell lower end cover, and the battery shell and the battery shell lower end cover are fixedly installed by fixing bolts passing through the fixing bolt mounting grooves and the battery shell lower end cover mounting holes; the upper surface of the battery shell lower end cover is provided with a fixing block two limiting convex edges, and the fixing block two is embedded in the fixing block two limiting convex edges.

[0019] As a further description of the above technical solution: no less than three threaded holes are opened on the bottom surface of the lower end cover of the battery casing, and no less than three anti-collision base mounting holes are provided at the bottom of the anti-collision base, the number of the anti-collision base mounting holes is the same as that of the threaded holes and the positions are corresponding, and the upper surface of the anti-collision base is provided with an anti-collision base limit strip 1, an anti-collision base limit strip 2 and an anti-collision base anti-rotation protrusion, the bottom of the anti-collision base is an inclined surface, and an anti-slip groove is provided on the bottom inclined surface of the anti-collision base.

[0020] As a further description of the above technical solution: a sealing cover is provided between the top end of the battery housing and the saddle head housing.

[0021] As a further description of the above technical solution: the cavity between the lower end cover of the battery housing and the anti-collision base is selectively filled with silicone rubber.

[0022] As a further description of the above technical solution: a power protection plate is provided on the top of the second fixing block.

[0023] Compared with the prior art, the advantages of the present invention are: 1. Space optimization: The design of the saddle tube battery housing makes it unnecessary for the discharge wire to be exposed too much, thus making the overall appearance of the electric bicycle more compact and beautiful.

[0024] 2. Weight distribution: The battery is integrated into the seat post, which helps improve the weight distribution of the bicycle, making riding more stable and comfortable.

[0025] 3. Convenient installation: The outlet section of the discharge wire of this saddle tube battery is located in the middle of the saddle tube battery shell, which is convenient for users to connect the discharge plug to the controller at any time.

[0026] 4. Concealment and safety: The battery is hidden inside the seat post, and the cooperation between the anti-theft limit strip and the battery lock reduces the risk of battery theft.

[0027] 5. Multi-function integration: The saddle tube battery not only provides the function of supporting the seat, but also integrates the battery, charging port, taillight and discharge plug, realizing a multi-function integrated design and enhancing the technological sense and practicality of the bicycle.

[0028] In summary, the design of the middle outlet saddle tube battery of this solution not only optimizes space utilization, but also improves the safety performance and user experience of the electric bicycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is an exploded schematic diagram of the invention; Figure 2 It is a schematic diagram of the internal structure of the lower end of the present invention; Figure 3 This is a schematic diagram of the structure of the present invention after the battery core is removed from the lower end; Figure 4 The spring discharge wire installation diagram of the present invention is shown in FIG. Figure 1 ; Figure 5 The battery housing structure of the present invention is schematically shown in FIG. Figure 1 ; Figure 6 It is a schematic diagram of the anti-collision base of the present invention; Figure 7 Schematic diagram of the spring discharge wire connection of the present invention Figure 1 ; Figure 8 The battery housing structure of the present invention is schematically shown in FIG. Figure 2 ; Fig. 9 It is a schematic diagram of the overall appearance of the present invention; Fig.10 The spring discharge wire installation diagram of the present invention is shown in FIG. Figure 2 ; Fig.11 The spring discharge wire installation diagram of the present invention is shown in FIG. Figure 3.

[0030] Description of the numbers in the figure: 1. Battery shell; 2. Slide 1; 3. Slide 2; 4. Charging port; 5. Saddle fixing clip; 6. Tail light; 7. Saddle head shell; 8. Fixing block 1; 9. Conductive sheet; 10. Battery cell; 11. Slider 1; 11-1. External connection wire transition block; 11-2. Slider 2; 12. External connection wire; 13. Discharge plug; 14. Anti-theft limit strip; 15. Fixing block 2; 16. Anti-collision base; 17. Spring discharge wire; 18. Lower end cover of battery shell; 19. Threaded hole; 2 0. Anti-collision base mounting hole; 21. Power protection board; 22. Spring discharge wire fixing base; 23. Wire hole one; 24. Battery housing lower end cover mounting hole; 25. Fixed block two limiting convex edge; 26. Anti-theft limiting strip mounting slot; 27. Fixed bolt mounting slot; 28. Anti-collision base limiting strip one; 29. ​​Anti-collision base limiting strip two; 30. Anti-collision base anti-rotation convex head; 31. Anti-slip groove; 32. Battery discharge connection terminal; 33. Tail light power cord; 34. Sealing cover; 35. Wire hole two. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0032] For example, see Figure 1-7 A new type of mid-outlet saddle tube battery for electric bicycles includes a battery housing 1, a saddle tube head housing 7, a power protection board 21, an external connection wire 12 and a discharge plug 13. The power protection board 21 is installed on the top of the fixed block 15. The battery housing 1 is preferably a cylindrical structure, and the battery housing 1 is a hollow structure. The outer diameter of the battery housing 1 is set to 60mm, the height of the battery housing 1 is set to 600mm, and the wall thickness of the battery housing 1 is selected to be 2mm. A plurality of battery cells 10 are installed inside the battery housing 1, and the number of battery cells 10 is determined according to the voltage and total capacity requirements of the saddle tube battery. One end of the external connection wire 12 is connected to the discharge plug 13. A slide groove 2 is provided on the outer wall of the battery housing 1, and a slide groove 2 3 is provided at the connection between the inner wall of the battery housing 1 and the slide groove 2. The top of the battery housing 1 is fixedly connected with the saddle tube head housing 7. A saddle fixing clamp 5 is provided on the upper part of the saddle head housing 7, a tail light 6 is provided on one side of the saddle head housing 7, and a charging port 4 is provided on the other side of the saddle head housing 7 opposite to the tail light 6. A sealing cover 34 is provided between the top of the battery housing 1 and the saddle head housing 7 to prevent rainwater from penetrating into the battery housing 1 to avoid damage to the saddle battery.

[0033] See also Figure 9-11 The lower end of the battery housing 1 is fixedly connected to the anti-collision base 16 through the lower end cover 18 of the battery housing, and the other end of the external connection wire 12 passes through the external connection wire transition block 11-1, the slider 11-2 and the slider 11 in sequence and is connected to one end of the spring discharge wire 17. The other end of the spring discharge wire 17 is divided into a battery discharge connection end 32 and a taillight power line 33. The battery discharge connection end 32 and the taillight power line 33 pass through the spring discharge wire fixing base 22 and the wire hole 1 23 and the wire hole 2 35 provided on the lower end cover 18 of the battery housing in sequence. The taillight power line 33 is connected to the taillight 6, the battery discharge connection end 32 and the conductive sheet 9.

[0034] Furthermore, the slider 11 and the spring discharge wire 17 are installed in the slide groove 2 3, and the slider 11-2 is embedded between the slide grooves 2; the lower end of the slide groove 2 is provided with an anti-theft limit strip installation groove 26, and the anti-theft limit strip 14 is embedded in the anti-theft limit strip installation groove 26. Preferably, the inner cavity cross section of the slide groove 2 3 is circular, and the diameter of the circle is set to 18mm; the slider 11 is a cylindrical structure, the diameter of the slider 11 is 16.5mm, and the length of the slider 11 is 30mm.

[0035] Furthermore, a fixing block 1 8 is provided at the upper end of the inner cavity of the battery casing 1, and a fixing block 2 15 is provided at the lower end of the inner cavity of the battery casing 1. The battery cell 10 between the fixing block 1 8 and the fixing block 2 15 is connected together through a conductive sheet 9, and the battery cell 10 is then limited in the inner cavity of the battery casing 1 by the fixing block 1 8 and the fixing block 2 15 so that it cannot move.

[0036] Preferably, the distance between the upper end of the slide groove 2 and the upper edge of the battery housing 1 is 15 mm, and the width of the slide groove 2 is 6 mm.

[0037] Because the spring discharge wire 17 is installed in the second slide groove 3, the diameter of the spring discharge wire 17 should be smaller than the inner diameter of the second slide groove 3. Preferably, the diameter of the spring discharge wire 17 is 16.5 mm, and the length of the spring discharge wire 17 in the natural state is 200 mm.

[0038] See also Figure 4 and 9, the anti-theft limit strip 14 and the spring discharge wire fixing base 22 are fixedly connected to the lower end cover 18 of the battery housing. Preferably, the anti-theft limit strip 14, the spring discharge wire fixing base 22 and the lower end cover 18 of the battery housing are processed by an integrated molding process. The length of the anti-theft limit strip 14 is set to 100mm. The anti-theft limit strip 14 is used in conjunction with the lock on the electric bicycle. When the saddle tube battery is lifted up to a certain distance, the anti-theft limit strip 14 collides with the lock tongue, thereby preventing the saddle tube battery from being lifted out, thereby solving the risk of the saddle tube battery being stolen.

[0039] Furthermore, in order to prevent the lower end of the spring discharge wire 17 from being pulled out when it is stretched, thereby causing physical damage to the battery discharge connection terminal 32 and the taillight power line 33, the cavity between the lower end cover 18 of the battery housing and the anti-collision base 16 is filled with 704 silicone rubber, and the 704 silicone rubber fixes the lower end of the spring discharge wire 17 in the cavity between the lower end cover 18 of the battery housing and the anti-collision base 16. The 704 silicone rubber has good waterproof and airtightness, high temperature resistance of -50 degrees Celsius to 250 degrees Celsius, strong adhesion, oxidation resistance, and easy drying surface at room temperature.

[0040] In order to improve the stability of the saddle tube battery installation, four fixing bolt mounting grooves 27 are provided on the inner wall of the battery casing 1, and four battery casing lower end cover mounting holes 24 are opened on the battery casing lower end cover 18. The battery casing 1 and the battery casing lower end cover 18 are fixedly installed by fixing bolts passing through the fixing bolt mounting grooves 27 and the battery casing lower end cover mounting holes 24; the upper surface of the battery casing lower end cover 18 is provided with a fixing block second limiting convex edge 30, and the fixing block second 15 is embedded in the fixing block second limiting convex edge 30, thereby solving the problem that the battery cell will move in the battery casing 1.

[0041] See also Figure 6 and 10 , four threaded holes 19 are formed on the bottom surface of the lower end cover 18 of the battery housing, and four anti-collision base mounting holes 20 are formed on the bottom of the anti-collision base 16, and the positions of the anti-collision base mounting holes 20 correspond to the positions of the threaded holes 19. The upper surface of the anti-collision base 16 is provided with an anti-collision base limiting strip 1 28, an anti-collision base limiting strip 29 and an anti-collision base anti-rotation protrusion 30. The bottom of the anti-collision base 16 is an inclined surface, and an anti-slip groove 31 is formed on the bottom inclined surface of the anti-collision base 16. In order to prevent the anti-collision base 16 from being worn due to frequent contact with the bottom surface, the anti-collision base 16 is integrally formed with a wear-resistant plastic material.

[0042] For example 2, please refer to Figure 8The inner cavity cross section of the slide groove 2 3 is a regular hexagonal shape, and the side length of the regular hexagon is 7mm; the slider 1 11 is a regular hexagonal prism structure, and the side length of the bottom surface of the regular hexagonal prism is 6mm. The slider 1 11 and the spring discharge wire 17 are installed in the slide groove 2 3, and the slider 2 11-2 is embedded between the slide grooves 1 2. The other end of the external connection wire 12 passes through the external connection wire transition block 11-1, the slider 2 11-2 and the slider 1 11 and is connected to one end of the spring discharge wire 17.

[0043] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new type of mid-outlet saddle tube battery for electric bicycles, comprising a battery housing (1), a saddle tube head housing (7), an external connecting wire (12) and a discharge plug (13), wherein the battery housing (1) is a cylindrical structure, the battery housing (1) is a hollow structure, a battery cell (10) is installed inside the battery housing (1), one end of the external connecting wire (12) is connected to the discharge plug (13), and the characteristics are: The outer wall of the battery housing (1) is provided with a first slide groove (2), and the inner wall of the battery housing (1) is provided with a second slide groove (3) at the connection between the first slide groove (2), the top of the battery housing (1) is fixedly connected to a saddle head housing (7), the lower end of the battery housing (1) is fixedly connected to an anti-collision base (16) via a battery housing lower end cover (18), and the other end of the external connection wire (12) passes through the external connection wire transition block (11-1), the second slide block (11-2) and the first slide block (11-2) in sequence. ) is connected to one end of a spring discharge wire (17), the other end of the spring discharge wire (17) is divided into a battery discharge connection end (32) and a tail light power line (33), the battery discharge connection end (32) and the tail light power line (33) pass through the spring discharge wire fixing base (22) and a wire hole 1 (23) and a wire hole 2 (35) provided on the lower end cover (18) of the battery housing in sequence, the tail light power line (33) is connected to the tail light (6), the battery discharge connection end (32) and the conductive sheet (9); The slider 1 (11) and the spring discharge wire (17) are installed in the slide groove 2 (3), and the slider 2 (11-2) is embedded between the slide grooves 1 (2); the lower end of the slide groove 1 (2) is provided with an anti-theft limit strip installation groove (26), and the anti-theft limit strip (14) is embedded in the anti-theft limit strip installation groove (26); A fixing block 1 (8) is provided at the upper end of the inner cavity of the battery housing (1), and a fixing block 2 (15) is provided at the lower end of the inner cavity of the battery housing (1); the battery cell (10) between the fixing block 1 (8) and the fixing block 2 (15) is connected together via a conductive sheet (9).

2. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: A saddle fixing clamp (5) is provided on the upper part of the saddle head shell (7), a tail light (6) is provided on one side of the saddle head shell (7), and a charging port (4) is provided on the other side of the saddle head shell (7) opposite to the tail light (6).

3. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: The distance between the upper end of the slide groove 1 (2) and the upper edge of the battery housing (1) is 5 mm to 25 mm, and the width of the slide groove 1 (2) is 5 mm to 15 mm.

4. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: The inner cavity cross-section of the second slide groove (3) is in the shape of an arc, and the diameter of the arc is 10 mm to 25 mm; the slider one (11) is a cylindrical structure, and the diameter of the slider one (11) is 1 mm to 2 mm smaller than the diameter of the second slide groove (3).

5. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: The inner cavity cross-section of the second slide groove (3) is a regular polygon, and the side length of the regular polygon is 5mm~11mm; the slider (11) is a regular prism structure, and the number of sides of the bottom surface of the regular prism is the same as the number of sides of the regular polygon of the inner cavity cross-section of the second slide groove (3), and the side length of the bottom surface of the slider (11) is 0.5mm~1mm smaller than the side length of the second slide groove (3).

6. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 4 or claim 5, characterized in that: The height of the slider 1 (11) is 20 mm to 40 mm.

7. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: The diameter of the spring discharge wire (17) is 9 mm to 24 mm, and the length of the spring discharge wire (17) in a natural state is 100 mm to 250 mm.

8. The novel mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: The anti-theft limit strip (14) and the spring discharge wire fixing base (22) are fixedly connected to the lower end cover (18) of the battery housing, and the length of the anti-theft limit strip (14) is 80 mm to 150 mm.

9. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: The inner wall of the battery housing (1) is provided with four fixing bolt mounting grooves (27), and the battery housing lower end cover (18) is provided with four battery housing lower end cover mounting holes (24). The battery housing (1) and the battery housing lower end cover (18) are fixedly mounted by fixing bolts passing through the fixing bolt mounting grooves (27) and the battery housing lower end cover mounting holes (24); the upper surface of the battery housing lower end cover (18) is provided with a fixing block second limiting convex edge (30), and the fixing block second (15) is embedded in the fixing block second limiting convex edge (30).

10. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: The bottom surface of the lower end cover (18) of the battery housing is provided with at least three threaded holes (19); the bottom of the anti-collision base (16) is provided with at least three anti-collision base mounting holes (20); the number of the anti-collision base mounting holes (20) is the same as that of the threaded holes (19) and the positions are corresponding; the upper surface of the anti-collision base (16) is provided with an anti-collision base limiting strip 1 (28), an anti-collision base limiting strip 2 (29) and an anti-collision base anti-rotation protrusion (30); the bottom of the anti-collision base (16) is an inclined surface, and an anti-slip groove (31) is provided on the bottom inclined surface of the anti-collision base (16).

11. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 1, characterized in that: A sealing cover (34) is provided between the top end of the battery housing (1) and the saddle head housing (7).

12. A new type of mid-outlet saddle tube battery for electric bicycles according to claim 10, characterized in that: The cavity between the lower end cover (18) of the battery housing and the anti-collision base (16) is filled with silicone rubber.

Images