Battery member with terminal

Abstract

Provided is a battery member (100) with a terminal, characterized by comprising a cylindrical battery (1), an arc-shaped positive terminal (2), a negative terminal (3), an insulating plate (4), a thermoplastic sleeve (5), a positive cap (6), and an insulating ring (7), the top of the cylindrical battery (1) being a positive electrode, the bottom of the cylindrical battery (1) being a negative electrode, the negative terminal (3) having a negative terminal contact portion (11) and a negative terminal side portion (12), the negative electrode terminal contact part (11) is provided with a first negative electrode terminal contact part (13), a second negative electrode terminal contact part (14) and a negative electrode terminal bottom part (15), the arc-shaped positive electrode terminal (2) is provided with a positive electrode terminal contact part (17) and a positive electrode terminal side part (18), and the positive electrode terminal contact part (17) is provided with a first positive electrode terminal contact part (19), a second positive electrode terminal contact part (20) and a positive electrode terminal bottom part (21).

Description

Technical Field

[0001] This utility model relates to a battery component with terminals. Background Technology

[0002] In recent years, energy storage devices, especially secondary batteries, have been widely used in small electronic devices such as mobile phones or laptops, electric vehicles, and for energy storage. In these applications, there is a need to significantly improve their electrochemical characteristics. Batteries are also used as power sources and backup power sources for power tools, electric toys, electric bicycles, electric cars, electric skateboards, cordless phones, etc. Therefore, batteries with significantly improved electrochemical characteristics are highly sought after.

[0003] Chinese patent CN202678445U discloses a welding terminal for batteries, which is a component of batteries and is mainly used in starting batteries. Currently, the structural design of commonly used welding terminals for batteries is not reasonable enough. In order to ensure insulation, an insulating ring is used to isolate foreign objects and prevent short circuits between the positive and negative terminals; at the same time, during assembly, when the customer uses the battery, there is a risk that the terminals in the battery component may be inserted under the insulating ring, causing a short circuit. Utility Model Content

[0004] This invention was made in view of the problems existing in the prior art. Moreover, the object of this invention is to provide a battery component with terminals.

[0005] The essence of this utility model is as follows.

[0006] A battery component with terminals, characterized in that it comprises a cylindrical battery, an arc-shaped positive terminal, a negative terminal, an insulating plate, a thermoplastic sleeve, a positive electrode cap, and an insulating ring.

[0007] The top of the cylindrical battery is the positive electrode, the bottom of the cylindrical battery is the negative electrode, and the casing of the cylindrical battery is a steel casing.

[0008] The thermoplastic sleeve encloses the steel shell.

[0009] The insulating plate has a bottom and a side portion. The side portion is fixed to the thermoplastic sleeve, and the bottom portion is fixed to the positive electrode side of the cylindrical battery.

[0010] The negative terminal has a negative terminal contact portion and a negative terminal side portion. The negative terminal contact portion has a first negative terminal contact portion, a second negative terminal contact portion, and a negative terminal bottom portion. The first negative terminal contact portion and the second negative terminal contact portion are respectively connected to the negative terminal bottom portion. The negative terminal side portion is fixed to the side portion of the insulating board with adhesive tape.

[0011] The steel casing serves as the negative electrode of the cylindrical battery. The steel casing extends above the top of the cylindrical battery, and its inner wall above the top is made of insulating resin. The positive electrode cap is welded to the positive electrode of the cylindrical battery, and the insulating ring is fixed to the positive electrode cap.

[0012] The arc-shaped positive terminal has a positive terminal contact portion and a positive terminal side portion. The positive terminal contact portion has a first positive terminal contact portion, a second positive terminal contact portion, and a positive terminal bottom portion. The first positive terminal contact portion and the second positive terminal contact portion are respectively connected to the positive terminal bottom portion. The top of the first positive terminal contact portion and the top of the second positive terminal contact portion are arc-shaped. The first positive terminal contact portion and the second positive terminal contact portion are respectively connected to the positive terminal cap by welding. The positive terminal side portion is fixed to the side portion of the insulating plate, and the positive terminal contact portion is fixed to the bottom portion of the insulating plate.

[0013] Preferably, the side of the first positive terminal contact portion is straight, and the side of the second positive terminal contact portion is straight.

[0014] Preferably, the side of the first negative terminal contact portion is straight, and the side of the second negative terminal contact portion is straight.

[0015] Preferably, the insulating plate is made of NOMEX.

[0016] Preferably, the thermoplastic sleeve is made of PVC.

[0017] Preferably, the negative terminal and the positive terminal are made of Ni.

[0018] Preferably, the first positive terminal contact portion and the second positive terminal contact portion each have two protrusions, and are respectively welded to the positive terminal cap of the cylindrical battery through the two protrusions.

[0019] Preferably, the first negative terminal contact portion and the second negative terminal contact portion each have two protrusions, and are respectively welded to the negative electrode of the cylindrical battery through the two protrusions.

[0020] Preferably, a teardrop-shaped flow divider is provided between the first positive terminal contact portion and the second positive terminal contact portion.

[0021] Preferably, a teardrop-shaped flow divider is provided between the first negative terminal contact portion and the second negative terminal contact portion.

[0022] Utility Model Effect

[0023] This invention provides a battery component with terminals. Due to the use of novel arc-shaped terminals, assembly can be easily completed, resulting in low cost. It also avoids the need for terminal corners to be inserted under the insulating ring, making it convenient and quick to use and effectively preventing the risk of short circuits. Attached Figure Description

[0024] Figure 1 This is a perspective view (viewed from the positive electrode side) of a battery component with terminals according to one embodiment of the present invention.

[0025] Figure 2 This is a perspective view (viewed from the negative side) of a battery component with terminals according to one embodiment of the present invention.

[0026] Figure 3 This is a partial enlarged view of the positive electrode side of a battery component with terminals according to one embodiment of the present invention.

[0027] 100: Battery component with terminals

[0028] 1: Cylindrical battery

[0029] 2: Arc-shaped positive terminal

[0030] 3: Negative extremes

[0031] 4: Insulation board

[0032] 5: Thermoplastic sleeve

[0033] 6: Positive pole cap

[0034] 7: Insulating ring

[0035] 8: Steel shell

[0036] 9: Bottom of the insulation board

[0037] 10: Side of the insulation board

[0038] 11: Negative end contact section

[0039] 12: Negative end side

[0040] 13: First negative end contact section

[0041] 14: Second negative end contact section

[0042] 15: Bottom of the negative extreme

[0043] 16: Insulating resin

[0044] 17: Positive end contact section

[0045] 18: Side of the positive terminal

[0046] 19: First positive terminal contact section

[0047] 20: Second positive terminal contact section

[0048] 21: Bottom of the positive end

[0049] 22: Adhesive tape Detailed Implementation

[0050] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. These embodiments are merely exemplary and can take many different forms. Furthermore, the accompanying drawings disclosed in this specification are, in principle, only schematic illustrations. That is, the dimension ratios in the drawings may not be consistent with the actual dimension ratios, and the dimension ratios may not be consistent between different drawings.

[0051] The specific embodiments of the battery component with terminals of this utility model will now be described with reference to the accompanying drawings.

[0052] Figure 1 This is a perspective view (viewed from the positive electrode side) of a battery component with terminals according to one embodiment of the present invention. Figure 2 This is a perspective view (viewed from the negative side) of a battery component with terminals according to one embodiment of the present invention. Figure 3 This is a partially enlarged view of the positive electrode side of a battery component with terminals according to one embodiment of the present invention. From the above... Figures 1-3It is understood that the battery component (100) with terminals of this utility model comprises a cylindrical battery (1), an arc-shaped positive terminal (2), a negative terminal (3), an insulating plate (4), a thermoplastic sleeve (5), a positive cap (6), and an insulating ring (7). The top of the cylindrical battery (1) is the positive terminal, and the bottom of the cylindrical battery (1) is the negative terminal. The casing of the cylindrical battery (1) is a steel shell (8), and the thermoplastic sleeve (5) wraps around the steel shell (8). The insulating plate (4) has an insulating plate bottom (9) and an insulating plate side (10). Fixed to the thermoplastic sleeve, the bottom (9) of the insulating plate is fixed to the positive terminal of the cylindrical battery (1). The negative terminal (3) has a negative terminal contact part (11) and a negative terminal side part (12). The negative terminal contact part (11) has a first negative terminal contact part (13), a second negative terminal contact part (14) and a negative terminal bottom part (15). The first negative terminal contact part (13) and the second negative terminal contact part (14) are respectively connected to the negative terminal bottom part (15). The negative terminal side part (12) is fixed to the positive terminal of the cylindrical battery (1) by tape (22). On the side of the edge plate (10), the steel shell (8) is higher than the top of the cylindrical battery (1). The inner wall of the steel shell (8) above the top of the cylindrical battery (1) is made of insulating resin (16). The positive electrode cap (6) is connected to the positive electrode of the cylindrical battery (1) by welding. The insulating ring (7) is fixed on the positive electrode cap (6). The positive terminal (2) has a positive terminal contact part (17) and a positive terminal side part (18). The positive terminal contact part (17) has a first positive terminal contact part (19), a second positive terminal contact part (20), and a positive terminal bottom part (18). 21), the first positive terminal contact (19) and the second positive terminal contact (20) are respectively connected to the bottom of the positive terminal (21). The top of the first positive terminal contact (19) is arc-shaped, and the top of the second positive terminal contact (20) is arc-shaped. The first positive terminal contact (19) and the second positive terminal contact (20) are electrically connected to the positive terminal cap (5) by welding. The positive terminal side (18) is fixed on the side of the insulating plate (10), and the positive terminal contact (17) is fixed on the bottom of the insulating plate (9).

[0053] This utility model adopts a novel positive terminal (2), which has a positive terminal contact part (17) and a positive terminal side part (18). The positive terminal contact part (17) has a first positive terminal contact part (19), a second positive terminal contact part (20) and a positive terminal bottom (21). The first positive terminal contact part (19) and the second positive terminal contact part (20) are respectively connected to the positive terminal bottom (21). The top of the first positive terminal contact part (19) is arc-shaped, and the top of the second positive terminal contact part (20) is arc-shaped. The first positive terminal contact part (19) and the second positive terminal contact part (20) are respectively connected to the positive terminal cap (5) by welding. The positive terminal side part (18) is fixed on the side part (10) of the insulating plate, and the positive terminal contact part (17) is fixed on the bottom part (9) of the insulating plate. The side of the first positive terminal contact (19) is straight, and the side of the second positive terminal contact (20) is also straight. This allows for easy assembly at a low cost, avoids the need for the terminal corners to be inserted under the insulating ring, makes use convenient and quick, and effectively prevents the risk of short circuits.

[0054] The side of the first negative terminal contact (13) is straight, and the side of the second negative terminal contact (14) is straight. The top of the first negative terminal contact (13) and the top of the second negative terminal contact (14) can be any suitable shape, preferably the top of the first negative terminal contact (13) is arc-shaped, and the top of the second negative terminal contact (14) is arc-shaped.

[0055] NOMEX (registered trademark) is a synthetic fiber material. NOMEX exhibits excellent stability at high temperatures, capable of withstanding temperatures above 200°C for extended periods, and even higher temperatures for short periods. NOMEX is non-flammable; it carbonizes but does not melt in a flame, does not drip or support combustion, and is self-extinguishing. NOMEX possesses excellent electrical insulation properties and is widely used as insulation material in electrical equipment such as transformers, motors, and generators. NOMEX has high mechanical strength and abrasion resistance, making it suitable for use in harsh environments. It exhibits good resistance to most chemicals and solvents. Therefore, the insulation board is made of NOMEX.

[0056] PVC (polyvinyl chloride) is a low-cost, multi-purpose material due to its corrosion resistance, insulation, flame retardancy, and processing flexibility. In battery-related applications, PVC is often used as an insulating sheath or outer casing. Therefore, thermoplastic tubing is made of PVC. Heat shrink tubing wraps around a steel shell to prevent short circuits.

[0057] Ni has excellent corrosion resistance, good wear resistance and mechanical strength, excellent high temperature stability and excellent weldability, therefore, the negative and positive terminals are made of Ni.

[0058] The teardrop-shaped shunt groove helps to precisely control the welding area by adjusting the current distribution, ensuring welding quality and consistency; it also reduces heat concentration in the welding area, minimizes the heat-affected zone, and avoids material performance degradation. The first and second negative terminal contacts each have two protrusions, which are welded to the negative electrode of the cylindrical battery. A teardrop-shaped shunt groove is located between the first and second negative terminal contacts. Therefore, by incorporating the teardrop-shaped shunt groove, welding efficiency can be improved, time shortened, and energy consumption reduced when welding the negative terminal to the negative electrode of the cylindrical battery. The first and second positive terminal contacts each have two protrusions, which are welded to the positive electrode cap of the cylindrical battery. A teardrop-shaped shunt groove is located between the first and second positive terminal contacts. Therefore, by setting up a teardrop-shaped shunt groove, the welding efficiency can be improved, the time shortened and the energy consumption reduced when welding the arc-shaped positive terminal to the positive cap of the cylindrical battery.

[0059] The present invention has been described above with reference to the preferred embodiments, but such disclosure should not be interpreted in a limiting manner. Various modifications and alterations will be apparent to those skilled in the art upon reading the above disclosure. Therefore, the appended claims should be understood to include all modifications and alterations without departing from the true spirit and scope of the present invention.

[0060] Industrial availability

[0061] This invention provides a battery component with terminals. This allows for easy assembly at a low cost, avoids inserting the corners of the terminals under the insulating ring, makes use convenient and quick, and effectively prevents the risk of short circuits.

Claims

1. A battery component with terminals, characterized in that, It features a cylindrical battery, an arc-shaped positive terminal, a negative terminal, an insulating plate, a thermoplastic sleeve, a positive cap, and an insulating ring. The top of the cylindrical battery is the positive electrode, the bottom of the cylindrical battery is the negative electrode, and the casing of the cylindrical battery is a steel casing. The thermoplastic sleeve encloses the steel shell. The insulating plate has a bottom and a side portion. The side portion is fixed to the thermoplastic sleeve, and the bottom portion is fixed to the positive electrode side of the cylindrical battery. The negative terminal has a negative terminal contact portion and a negative terminal side portion. The negative terminal contact portion has a first negative terminal contact portion, a second negative terminal contact portion, and a negative terminal bottom portion. The first negative terminal contact portion and the second negative terminal contact portion are respectively connected to the negative terminal bottom portion. The negative terminal side portion is fixed to the side portion of the insulating board with adhesive tape. The steel casing serves as the negative electrode of the cylindrical battery. The steel casing extends above the top of the cylindrical battery, and its inner wall above the top is made of insulating resin. The positive electrode cap is welded to the positive electrode of the cylindrical battery, and the insulating ring is fixed to the positive electrode cap. The arc-shaped positive terminal has a positive terminal contact portion and a positive terminal side portion. The positive terminal contact portion has a first positive terminal contact portion, a second positive terminal contact portion, and a positive terminal bottom portion. The first positive terminal contact portion and the second positive terminal contact portion are respectively connected to the positive terminal bottom portion. The top of the first positive terminal contact portion and the top of the second positive terminal contact portion are arc-shaped. The first positive terminal contact portion and the second positive terminal contact portion are respectively connected to the positive terminal cap by welding. The positive terminal side portion is fixed to the side portion of the insulating plate, and the positive terminal contact portion is fixed to the bottom portion of the insulating plate.

2. The battery component with terminals according to claim 1, characterized in that, The side of the first positive terminal contact portion is straight, and the side of the second positive terminal contact portion is straight.

3. The battery component with terminals according to claim 1, characterized in that, The side of the first negative terminal contact portion is straight, and the side of the second negative terminal contact portion is straight.

4. The battery component with terminals according to claim 1, characterized in that, The insulating board is made of NOMEX.

5. The battery component with terminals according to claim 1, characterized in that, The thermoplastic sleeve is made of PVC.

6. The battery component with terminals according to claim 1, characterized in that, The negative and positive terminals are made of Ni.

7. The battery component with terminals according to claim 1, characterized in that, The first positive terminal contact and the second positive terminal contact each have two protrusions, and are respectively welded to the positive cap of the cylindrical battery through the two protrusions.

8. The battery component with terminals according to claim 1, characterized in that, The first negative terminal contact portion and the second negative terminal contact portion each have two protrusions, and are respectively welded to the negative terminal of the cylindrical battery through the two protrusions.

9. The battery component with terminals according to claim 1, characterized in that, A teardrop-shaped flow divider is provided between the first positive terminal contact and the second positive terminal contact.

10. The battery component with terminals according to claim 1, characterized in that, A teardrop-shaped flow divider is provided between the first negative terminal contact portion and the second negative terminal contact portion.

Images