Improved air switch and cable connecting terminal

Abstract

The utility model provides an improved air switch and cable connecting terminal which comprises a first semicircular groove, a second semicircular groove with the diameter smaller than that of the first semicircular groove and an inserting piece connected with the second semicircular groove, a transition part is smoothly connected between the first semicircular groove and the second semicircular groove, the two ends of the first semicircular groove extend to form first pressing pieces, and the two ends of the second semicircular groove extend to form second pressing pieces. The inserting piece is composed of an inserting piece body and a limiting part close to one end of the second semicircular groove, and locking pieces are arranged at the upper end and the lower end of the inserting piece body. The whole air switch is formed by punching, the material can be brass or red copper, the conductive performance between the air switch and a cable can be improved, the working stability and reliability of electrical components are ensured, the plug-in type terminal is adopted, the upper end and the lower end of the terminal are provided with the locking pieces, the locking pieces can be matched with the clamping holes in the air switch up and down, and the locking pieces can be matched with the clamping holes in the air switch. The insertion piece has a larger contact surface with the air switch, can be completely matched with the air switch and is not easy to fall off, and the stability and the safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air switch connection terminals, in particular to an improved air switch and cable connection terminal. Background Art

[0002] The connection between the air switch and the cable of a two-wheeled electric vehicle is generally a copper buckle. This type of structure has a relatively small contact surface as a connection medium. The cable connected to the air switch may be pulled due to external force. At this time, the terminal connected to the air switch will also be pulled, causing the terminal to fall off the air switch. Therefore, the stability is low and the safety is poor, which affects the normal use of the electric vehicle. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide an improved air switch and cable connection terminal, which is used to solve the problem of poor connection stability between the terminal and the air switch in the prior art.

[0004] In order to achieve the above purpose and other related purposes, the utility model provides the following technical solutions:

[0005] An improved air switch and cable connection terminal comprises a semicircular groove 1, a semicircular groove 2 having a diameter smaller than that of the semicircular groove 1, and an insert connected to the semicircular groove 2, wherein a transition portion is smoothly connected between the semicircular groove 1 and the semicircular groove 2, a first pressing piece is extended from both ends of the semicircular groove 1, and a second pressing piece is extended from both ends of the semicircular groove 2; the insert is composed of an insert body and a limiting portion close to one end of the semicircular groove 2, and locking pieces are provided at both upper and lower ends of the insert body.

[0006] To implement the above technical solution, the present application is stamped as a whole, and the material can be brass or copper, which can improve the conductivity between the air switch and the cable, ensure the stability and reliability of the electrical components, and can also be tinned on the surface of the present application to make it have good welding and ductility, and improve oxidation resistance and current efficiency; during use, it is necessary to strip the outer shell of the cable according to the specified length, and insert it from one end of the semicircular groove, and then use the wire crimping pliers to press the first and second pressing plates on the cable, and the insulating sheath can be covered on the outside of the terminal and the cable to make it have insulating properties; the present application adopts a plug-in terminal, and the upper and lower ends of the terminal are provided with locking pieces, which can fit up and down with the card hole in the air switch, and the plug-in has a larger contact surface with the air switch, can fit completely with the air switch, is not easy to fall off, and improves stability and safety.

[0007] In an embodiment of the present invention, the locking element includes a plurality of strip-shaped grooves opened in the transverse direction.

[0008] To implement the above technical solution, the contact area between the plug and the air switch can be increased by setting the strip-shaped groove, so that the terminal is tightly connected to the air switch and is not easy to fall off, thereby improving stability.

[0009] In an embodiment of the present invention, the cross-section of the strip-shaped groove is triangular, circular, rectangular or trapezoidal.

[0010] To implement the above technical solution, the cross-section of the strip-shaped groove is set to be larger at the top and smaller at the bottom, and the application shows an inverted triangle in the figure.

[0011] In one embodiment of the present invention, an insertion portion is provided at the end of the insert body, the insertion portion is a trapezoid from narrow to wide, and the end of the insertion portion also includes an introduction portion with a small wall thickness.

[0012] To implement the above technical solution, the insertion portion is arranged as a trapezoidal shape from narrow to wide or as an arc-shaped tip, and the introduction portion has a small wall thickness, so that the insertion portion can be easily inserted into the air switch during use.

[0013] In an embodiment of the present invention, the limiting portion includes two symmetrically arranged limiting blocks and two connecting portions smoothly connected to the semicircular grooves.

[0014] To implement the above technical solution, the limit block can be set on the outside of the air switch through the setting of the limit block, and the insertion depth of the plug can be effectively controlled.

[0015] In one embodiment of the present invention, a plurality of slots are formed on the outer wall of the second semicircular groove along the circumferential direction, and the cross-section of the slots is rectangular.

[0016] To implement the above technical solution, the diameter of the semicircular groove 2 in the present application is preferably the same as the outer diameter of the cable, and an insulating sheath is also provided on the outside of the terminal. Therefore, providing a card slot can increase the contact area between the terminal and the insulating sheath, and improve the tightness of the connection between the terminal and the insulating sheath.

[0017] In an embodiment of the present invention, an extension portion extends outward from the middle portion of the semicircular groove.

[0018] As described above, an improved air switch and cable connection terminal of the utility model has the following beneficial effects: the application is stamped as a whole, and the material can be brass or copper, which can improve the conductivity between the air switch and the cable, and ensure the stability and reliability of the operation of electrical components. In addition, the surface of the application can be tinned to give it good welding and ductility, and improve oxidation resistance and current efficiency; during use, it is necessary to strip the outer shell of the cable according to the specified length, and insert it from one end of the semicircular groove, and then use the wire crimping pliers to press the first and second pressing plates on the cable, and an insulating sheath can be covered on the outside of the terminal and the cable to give it insulating properties; the application adopts a plug-in terminal, and the upper and lower ends of the terminal are provided with locking pieces, which can fit up and down with the card hole in the air switch. The plug-in has a larger contact surface with the air switch, can fit completely with the air switch, is not easy to fall off, and improves stability and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a schematic diagram of the structure of the utility model.

[0020] Figure 2 Shown is another structural schematic diagram of the utility model.

[0021] Component number description

[0022] 1. Semicircular groove 1; 2. Semicircular groove 2; 3. Insert; 4. Transition part; 5. First pressing piece; 6. Second pressing piece; 31. Insert body; 32. Limiting part; 7. Locking piece; 311. Inserting part; 312. Leading part; 321. Limiting block; 322. Connecting part; 8. Slot; 9. Extension part. DETAILED DESCRIPTION

[0023] The following specific embodiments illustrate the implementation of the present invention, and those familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0024] See also Figure 1 to Figure 2 The utility model provides an improved air switch and cable connection terminal, comprising a semicircular groove 1, a semicircular groove 2 with a diameter smaller than that of the semicircular groove 1, and a plug 3 connected to the semicircular groove 2, a transition portion 4 is smoothly connected between the semicircular groove 1 and the semicircular groove 2, a first pressing piece 5 is extended from both ends of the semicircular groove 1, and a second pressing piece 6 is extended from both ends of the semicircular groove 2; the plug 3 is composed of a plug 3 body and a limiting portion 32 close to one end of the semicircular groove 2, and locking pieces 7 are provided at the upper and lower ends of the plug 3 body.

[0025] The present application is stamped as a whole, and the material can be brass or copper, which can improve the conductivity between the air switch and the cable, and ensure the stability and reliability of the electrical components. In addition, the surface of the present application can be tinned to make it have good welding and ductility, and improve oxidation resistance and current efficiency; during use, it is necessary to strip the outer shell of the cable according to the specified length, and insert it from one end of the semicircular groove 2, and then use the wire crimping pliers to press the first pressing piece 5 and the second pressing piece 6 on the cable, and an insulating sheath can be put on the outside of the terminal and the cable to make it have insulating properties; the present application adopts a plug-in 3-type terminal, and the upper and lower ends of the terminal are provided with locking pieces 7, which can fit up and down with the card hole in the air switch. The plug-in 3 has a larger contact surface with the air switch and can be completely matched with the air switch, not easy to fall off, and improves stability and safety.

[0026] The locking member 7 includes a plurality of strip grooves opened in the transverse direction. The arrangement of the strip grooves can increase the contact area between the plug 3 and the air switch, so that the terminal is tightly connected to the air switch and is not easy to fall off, thereby improving stability.

[0027] The cross section of the strip-shaped groove is triangular, circular, rectangular or trapezoidal. The cross section of the strip-shaped groove is set to be larger at the top and smaller at the bottom, and the cross section of the strip-shaped groove shown in the figure is an inverted triangle.

[0028] The end of the inserting piece 3 body is provided with an inserting portion 311, and the inserting portion 311 is a trapezoidal shape from narrow to wide, and the end of the inserting portion 311 also includes a thin wall thickness introduction portion 312. Through the narrow to wide trapezoidal insertion portion 311 or the arc-shaped pointed head, and the thin wall thickness introduction portion 312, it can be easily inserted into the air switch during use.

[0029] The limiting portion 32 includes two symmetrically arranged limiting blocks 321 and a connecting portion 322 smoothly connected to the semicircular groove 2. Through the setting of the limiting blocks 321, it can be clamped on the outside of the air switch and can effectively control the insertion depth of the plug 3.

[0030] The outer wall of the semicircular groove 2 is provided with a plurality of slots 8 along the circumferential direction, and the cross section of the slot 8 is rectangular. In the present application, the diameter of the semicircular groove 2 is preferably the same as the outer diameter of the cable, and an insulating sheath is also provided on the outside of the terminal, so the provision of the slot 8 can increase the contact area between the terminal and the insulating sheath, and improve the tightness of the connection between the terminal and the insulating sheath; an extension portion 9 extends outward from the middle of the semicircular groove.

[0031] The utility model adopts a plug-in 3-type terminal, and locking pieces 7 are provided at the upper and lower ends of the terminal, which can fit in the card hole in the air switch. The plug-in 3 has a larger contact surface with the air switch, can fit completely with the air switch, is not easy to fall off, and improves stability and safety.

[0032] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. All equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. An improved air switch and cable connection terminal, comprising a semicircular groove 1 (1), a semicircular groove 2 (2) having a diameter smaller than that of the semicircular groove 1 (1), and an insert (3) connected to the semicircular groove 2 (2), characterized in that: A transition portion (4) is smoothly connected between the semicircular groove 1 (1) and the semicircular groove 2 (2); first pressing sheets (5) extend from both ends of the semicircular groove 1 (1), and second pressing sheets (6) extend from both ends of the semicircular groove 2 (2); The insert (3) is composed of an insert (3) body and a limiting portion (32) close to one end of the second semicircular groove (2), and locking pieces (7) are provided at both upper and lower ends of the insert (3) body.

2. The improved air switch and cable connection terminal according to claim 1, characterized in that: The locking member (7) comprises a plurality of strip-shaped grooves opened in the transverse direction.

3. The improved air switch and cable connection terminal according to claim 2, characterized in that: The cross section of the strip-shaped groove is triangular, circular, rectangular or trapezoidal.

4. The improved air switch and cable connection terminal according to claim 1, characterized in that: An insertion portion (311) is provided at the end of the insert piece (3) body. The insertion portion (311) is a trapezoidal shape that increases from narrow to wide. The end of the insertion portion (311) also includes an introduction portion (312) with a small wall thickness.

5. The improved air switch and cable connection terminal according to claim 1, characterized in that: The limiting portion (32) comprises two symmetrically arranged limiting blocks (321) and a connecting portion (322) smoothly connected to the second semicircular groove (2).

6. The improved air switch and cable connection terminal according to claim 1, characterized in that: The outer wall of the second semicircular groove (2) is provided with a plurality of clamping grooves (8) along the circumferential direction, and the cross section of the clamping grooves (8) is rectangular.

7. The improved air switch and cable connection terminal according to claim 1, characterized in that: An extension portion (9) extends outward from the middle of the semicircular groove.

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