CN204205160U - A kind of conductor jointer - Google Patents

Abstract

The utility model provides a wire connector, which comprises a transparent shell with an opening at one end and a base covering the inside. The top of the base is provided with a wire insertion hole for the insertion of the wire, and the left and right sides of the base are provided with bumps. There are through holes on both sides, and the base and the housing are connected through the protrusions and the through holes. In the inner cavity of the housing, there is also a device under the base that can fix and conduct multiple wires. The upper and lower connecting spring clips are provided with a wire hole, the other end of the shell is closed, the closed end is provided with a detection hole, and the top of the base is covered with a layer that can be peeled off. The wire can pass through the rubber layer, and the rubber layer is located in the inner cavity of the shell, the rubber layer is bonded to the base, and the end of the rubber layer not connected to the base is provided with a counterbore for positioning when the wire core enters. The utility model has good reliability, high safety and excellent waterproof performance.

Description

a wire connector

technical field

The utility model relates to a wire connector, which belongs to the technical field of electronic accessories.

Background technique

In the common way to realize the electrical connection between the wires, the most common method is to peel off the insulating layer, twist or weld the wire cores together to realize the electrical connection between the wires, and finally use insulating tape to seal the wire joints and the exposed wires. Partially wrapped for insulation from the outside world. However, adopting this method not only has low work efficiency, but also is easy to make mistakes and cause circuit short circuit. In addition, insulating tape is used to wrap the wire core connector part, and the connector part is prone to short circuit in a humid environment, thereby damaging the circuit, so it is not suitable for use in a humid environment.

Patent ZL201029166008.X discloses a wire connector that can realize electrical connection between wires, and patent ZL201029166009.4 also discloses a wire connector that can realize electrical connection between wires, but the wire connector or wire disclosed in the above patent documents Because the connector does not have waterproof performance, it cannot be directly applied in a humid environment. If you want to use it in a humid environment, you must inject viscous insulating materials such as epoxy resin into the cavity, which causes a lot of inconvenience to use.

Contents of the invention

In view of the above problems, the utility model provides a wire connector, which uses advanced spring clamping connection technology, uses the best electrical insulating materials and conductive materials, and has high reliability, high safety, high efficiency, It has outstanding advantages such as maintenance-free, reduced maintenance costs, and excellent waterproof performance, so it is increasingly becoming the first choice for the construction and decoration industries.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a wire connector, including a transparent shell with one end open and a base covered inside, the top of the base is provided with a wire insertion hole for wire insertion, the base Protrusions are provided on the left and right outer sides, and through holes are provided on both sides of the housing. The base and the housing are connected through the protrusions and the through holes. The upper and lower connection spring clips that fix and conduct multiple wires, the upper and lower connection spring clips are provided with a wire hole, the other end of the shell is closed, and the closed end is provided with a detection hole (or an electric test hole). hole), the top of the base is covered with a rubber layer that allows the stripped wire to pass through, and the rubber layer is located in the inner cavity of the housing, the rubber layer is bonded to the base, and the end of the rubber layer that is not connected to the base is provided with a The counterbore is used for positioning when the wire core enters; the wire is inserted from the wire insertion hole at the top of the base, and the upper and lower connecting spring clips interact to clamp the wire and conduct the circuit; when the connector is in use, the outer skin of the wire needs to be stripped After opening a certain length, insert the wire core into the wire insertion hole covered with rubber layer, so the rubber layer can seal the junction between the stripped wire core and the wire, and can wrap the junction in the rubber layer to prevent The exposed wire core is exposed to a humid environment, and the waterproof performance is good. A single wire core such as copper wire can be directly poked into the counterbore of the rubber layer to enter the insertion hole. In addition, auxiliary tools such as a screwdriver can be used to poke multiple strands of copper wire into the counterbore of the rubber layer until it enters the insertion hole. middle.

As a further preference, the upper and lower coupling spring clips include a spring insert and a support, the spring insert is embedded in the inner cavity of the housing, a support is provided between the base in the inner cavity of the housing and the spring insert, and the spring The plug-in is provided with a wire hole and a spring card. When the wire is inserted from the base and passes through the wire hole of the spring plug-in, the spring card is pushed away, so the support and the spring card interact to make the wire be clamped and pass through the wire. hole, and make the circuit conduction.

As a further preference, the support member has an inverted V-shaped cross-section, and its open end is in contact with the inner surface of the lower end of the spring insert. The position of the base in the housing is defined herein as the upper end, which is upward, that is, toward the base.

As a further preference, a wire hole is provided at the bottom of the spring insert, and a spring card is provided at the side thereof.

As a further preference, a plug cavity adapted to the spring insert is provided in the housing, and the spring insert is clamped in the plug cavity.

As a further preference, the surface of the spring card in contact with the wire is provided with tin alloy plating. This maintains its long-term corrosion-resistant coating to form a gas-tight connection to the conductors.

As a further preference, the detection hole has a rectangular cross section.

As a further preference, when the base is provided with four wire insertion holes, there is one detection hole.

As a further preference, the housing is a transparent PC housing, the base is nylon (PA66) insulating material, the insert is a stainless steel insert, the spring card is nickel-chrome spring copper, and the support is an iron sheet.

The beneficial effects of the utility model are:

1. Security

The best flame-retardant insulating material is modified nylon PA6.6, which has a long service life, no corrosion, aging resistance, withstand voltage of 4KV, and can work normally at a temperature of 120 degrees.

2. Reliability

The spring clamp technology connects reliably and does not fall off. Since the fastening force can be automatically adjusted according to the thickness of the wire, the wire contact is reliable and is not affected by the installation technology. Therefore, the power cord connector can make the wire connection reliable, anti-vibration and maintenance-free at any time and under any circumstances.

3. Efficiency

No tools are needed during use, anyone can operate it, just plug it in, which greatly reduces the working time of wiring, and improves the efficiency by more than 80% compared with the traditional connection method.

4. Practicality

The pressure line range of the connector is very wide. As far as the connection box connector (218 series) is concerned, its pressure line range is from 0.75 to 4mm ² , which is very practical in actual operation. Use 4mm ² conductors for air conditioners and water heater circuits, and connectors with a pressure range from 1.5 to 4mm ² . For the connection of lamps, the lighting connector (228 series) is more excellent, which not only solves the inconvenience caused by high-altitude operations , and solve the technical problem that the soft and hard wires are not easy to connect. It integrates safety and practicality.

Description of drawings

Fig. 1 is a front view of the side structure of the wire connector of the embodiment of the present invention.

FIG. 2 is a schematic structural view of direction B in FIG. 1 .

Fig. 3 is a cross-sectional view along A-A in Fig. 1 .

Fig. 4 is a schematic diagram of the plug-in structure of the upper and lower connecting spring clips in Fig. 3 .

FIG. 5 is a schematic structural view of the support member connecting the upper and lower spring clips in FIG. 3 .

Fig. 6 is a front view of another side structure of the wire connector according to the embodiment of the present invention.

Fig. 7 is a schematic top view of the wire connector according to the embodiment of the present invention.

The description of the marks in the drawings is as follows: 1-housing, 1.1-through hole, 1.2-detection hole, 2-base, 2.1-wire insertion hole, 3-up and down connection spring clamp, 3.1-through wire hole, 3.2- Insert, 3.3-support, 3.4-spring card, 4-rubber layer, 4.1-counterbore.

Detailed ways

The realization of the purpose of the utility model, functional characteristics and beneficial effects will be further described below in conjunction with specific embodiments and accompanying drawings.

Below in conjunction with drawings and specific examples, the technical solution of the utility model will be described in further detail, so that those skilled in the art can better understand the utility model and implement it. A new type of limitation.

As shown in Figures 1-7, the wire connector of the embodiment of the present invention includes a transparent shell 1 with an open end and a base 2 covered inside it. The top of the base 2 is provided with a wire insertion hole 2.1 for wire insertion. Protrusions (not shown) are provided on the left and right sides of the base 2, and through holes 1.1 are provided on both sides of the housing 1. The base 2 and the housing 1 are connected through the protrusions and the through holes 1.1. , the bump protrudes into the through hole 1.1, the other end (bottom end) of the housing 1 is closed, and a detection hole (electric test hole) 1.2 is provided on the closed end; the inner cavity of the housing 1 is located The bottom of the base 2 is also provided with an upper and lower connecting spring clip 3, the upper and lower connecting spring clip 3 is provided with a wire hole 3.1, and the top of the base 2 is covered with a rubber layer that allows the stripped wire to pass through 4, and the rubber layer 4 is set in the inner cavity of the shell 1, the rubber layer 1 is bonded to the base 2, and the end of the rubber layer 4 not connected to the base 2 is provided with a counterbore 4.1 for positioning when the wire core enters; this utility model When the connector of the new embodiment is in use, it is necessary to peel off the sheath of the wire for a certain length and then insert the wire core into the rubber layer 2.2 and then enter the wire insertion hole 2.1, so the rubber layer 2.2 can connect the stripped wire core with the wire core. The junction between the wires is sealed, and the junction can be wrapped in the rubber layer 2.2, which prevents the exposed wire core from being exposed to a humid environment, and has good waterproof performance. A single wire core such as a copper wire can directly pierce through the counterbore 4.1 of the rubber layer and enter the wire insertion hole 2.1. In addition, an auxiliary tool such as a screwdriver can be used to poke multiple strands of copper wire into the counterbore 4.1 of the rubber layer until Enter the wire insertion hole 2.1, after the wire core enters the wire insertion hole 2.1, the upper and lower connecting spring clips 3 interact to clamp the wire and conduct the circuit.

As shown in Figures 3-5, the upper and lower coupling spring clamps 3 include a spring insert 3.2 and a support 3.3, the insert 3.2 is embedded in the inner cavity of the housing, and the base 2 and the insert 3.2 in the inner cavity of the housing A support 3.3 is provided, the bottom end of the plug-in 3.2 is provided with a wire-through hole 3.1 and a spring card 3.4 that can be partially opened on the side is provided, the wire core is inserted from the base 2, and when passing through the wire-through hole 3.1 of the plug-in 3.2, The supporting member 3.3 interacts with the spring card 3.4 so that the wire is clamped and passed through the wire hole 3.1. The surface of the spring card 3.4 in contact with the wire core is provided with a tin alloy coating.

The shell 1 is provided with a plug chamber adapted to the plug-in 3.2, and the plug-in 3.2 is clamped in the plug chamber.

The support member 3.3 has an inverted V-shaped cross-section, and its open end faces downwards. The position of the base 2 in the housing 1 is defined as the upper end in this paper, and the upward direction is toward the base.

The section of the detection hole 1.2 is rectangular. When the base 2 is provided with four wire insertion holes 2.1, there is one detection hole 1.2, and when the base 2 is provided with six wire insertion holes 2.1, there are two detection holes 1.2.

The shell 1 is a transparent PC shell, the base 2 is nylon (PA66) insulating material, the insert 3.2 is a stainless steel insert, the spring card 3.4 is nickel-chrome spring copper, and the support 3.1 is an iron sheet.

Claims (8)

1. A wire connector, characterized in that: it includes a transparent shell with an open end and a base covered in it, the top of the base is provided with a wire insertion hole for wire insertion, and the left and right outer sides of the base are provided with bumps, There are through holes on both sides of the shell, and the base and the shell are connected through the protrusions and the through holes. In the inner cavity of the shell, there is also a set under the base that can fix and guide a plurality of wires. The upper and lower connection spring clips are connected, and the upper and lower connection spring clips are provided with a wire hole, the other end of the shell is closed, the closed end is provided with a detection hole, and the top of the base is covered with a layer that can be peeled off. The open wire can pass through the rubber layer, and the rubber layer is located in the inner cavity of the shell, the rubber layer is bonded to the base, and the end of the rubber layer that is not connected to the base is provided with a counterbore for positioning when the wire core enters; the wire is inserted After the wire insertion hole on the top of the base, the upper and lower connecting spring clips interact to clamp the wires and conduct the circuit. 2. The wire connector according to claim 1, characterized in that: the upper and lower connecting spring clips include a spring insert and a support, the spring insert is embedded in the inner cavity of the shell, and the base in the inner cavity of the shell A supporting piece is arranged between the spring insert and the spring insert, and the spring insert is provided with a wire hole and a spring card. 3 . The wire connector according to claim 2 , wherein the supporting member has an inverted V-shaped cross-section, and its open end is in contact with the inner surface of the lower end of the spring insert. 4 . 4. The wire connector according to claim 2, wherein a wire hole is provided at the bottom of the spring insert, and a spring card is provided at a side thereof. 5 . The wire connector according to claim 2 , wherein a plug cavity adapted to the spring insert is provided in the housing, and the spring insert is clamped in the plug cavity. 6 . 6. The wire connector according to claim 2 or 4, characterized in that: the surface of the spring card in contact with the wire is provided with tin alloy plating. 7. The wire connector according to claim 1, wherein the detection hole has a rectangular cross-section. 8 . The wire connector according to claim 1 , wherein when the base is provided with four insertion holes, there is one detection hole.