CN204349083U - Wire quick connect terminal and electrical equipment - Google Patents

Abstract

The utility model provides a wire quick connect terminal and electrical equipment, just wire quick connect terminal includes casing, handle, centre gripping subassembly, first contact and second contact, wherein: the shell is provided with a wire jack and an inner cavity, and the inner cavity is communicated with the outside through the wire jack; one end of the handle is fixed on the clamping component, and the other end of the handle is exposed out of the shell; the clamping assembly is arranged in the inner cavity and is pushed by the handle to clamp or loosen a wire metal head inserted into the inner cavity through a wire insertion hole; the first contact piece is positioned in the inner cavity and is contacted with the metal head of the lead inserted into the inner cavity, and the second contact piece is exposed out of the shell and is electrically connected with the first contact piece. The utility model discloses a centre gripping subassembly that promotes by the handle presss from both sides tightly the wire metal head that inserts the inner chamber and is connected through first contact and male wire metal head electricity, can realize the high-speed joint of wire, and the wire is difficult for droing.

Description

Wire quick connect terminal and electrical equipment

technical field

The utility model relates to the field of wire connection, in particular to a wire quick connection terminal and electrical equipment.

Background technique

Terminal blocks are components of electrical equipment or circuits, which can be applied to connect single-strand, multi-strand, thin multi-strand, etc. conductive wires to electrical boxes, electrical equipment, etc., so as to realize convenient and fast connection of wires.

At present, terminals generally use screws and metal sheets to clamp the conductive wires to form a tight conductive connection. The installation process requires manual operation to tighten the screws, which is troublesome in the case of multiple connections, and the wiring process takes more time. long time.

In addition, as shown in FIG. 1, there is also a connection terminal 150 comprising: a terminal connection portion 151, which is used to connect with a mating terminal; a wire connection portion 152, which is connected to a wire W; and a neck The neck portion 153 connects the terminal connection portion 151 to the wire connection portion 152 . The wire connection portion 152 includes a pair of crimping pieces 152a. The exposed portion of the conductor 160 of the electric wire W and a part of the insulating sheath 161 are integrally crimped by the crimping piece 152a. However, the process of connecting the terminal 150 to the wire W is cumbersome and requires special tools. When the connection terminal 150 is connected to the mating terminal, it is also necessary to use screws or the like to fix it.

Utility model content

The technical problem to be solved by the utility model is to provide a wire quick-connect terminal and electrical equipment for the above-mentioned problem of time-consuming and labor-intensive wiring of the wire terminal.

The technical solution of the utility model to solve the above technical problems is to provide a quick connection terminal for wires, including a housing, a handle, a clamping assembly, a first contact piece and a second contact piece, wherein: the housing is provided with a wire jack and inner cavity, and the inner cavity communicates with the outside world through the wire jack; one end of the handle is fixed on the clamping component, and the other end is exposed from the housing; the clamping component is arranged in the inner cavity, And under the push of the handle, clamp or loosen the metal head of the wire inserted into the inner cavity through the wire socket; the first contact piece is located in the inner cavity and is in contact with the metal head of the wire inserted into the inner cavity, and the second The two contact pieces are exposed from the shell and are electrically connected with the first contact piece.

In the wire quick connection terminal described in the present invention, a plurality of wire insertion holes are arranged in the housing, and each wire insertion hole corresponds to a first contact piece and a second contact piece.

In the wire quick connection terminal described in the present invention, the first contact piece includes a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are respectively located on two sides of the metal head of the wire inserted into the inner cavity.

In the wire quick connection terminal described in the present invention, the clamping assembly includes an elastic member and a pusher, and one end of the elastic member is against the pusher, and the other end is against the housing, and The pushing member is pressed against the metal head of the wire inserted into the inner cavity, and the metal head of the wire is brought into contact with the first elastic piece.

In the wire quick connection terminal described in the present invention, at least a part of the second elastic piece moves with the pushing member and contacts the metal head of the wire inserted into the inner cavity.

In the wire quick connection terminal described in the present utility model, the handle and the push piece are integrated.

In the wire quick connection terminal described in the present utility model, a locking position is provided on the housing, and the clamping assembly is in a clamping state when the handle is located in the locking position.

The utility model also provides an electrical device, including a PCB board and a power contact on the PCB board, the electrical device also includes a connecting terminal, and the connecting terminal includes a shell, a handle, a clamping component, a first contact and the second contact piece, wherein: the housing is provided with a wire jack and an inner cavity, and the inner cavity communicates with the outside world through the wire jack; one end of the handle is fixed on the clamping component, and the other end is exposed Housing; the clamping assembly is arranged in the inner cavity, and under the push of the handle, it clamps or loosens the metal head of the wire inserted into the inner cavity through the wire insertion hole; the first contact piece is located in the inner cavity The second contact piece is exposed from the housing and is electrically connected to the first contact piece; the second contact piece is welded to the power contact on the PCB.

In the electrical equipment described in the present utility model, the first contact piece includes a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are respectively located on two sides of the metal head of the wire inserted into the inner cavity.

In the electrical equipment described in the present utility model, the clamping assembly includes an elastic member and a pushing member, and one end of the elastic member leans against the pushing member, and the other end leans against the housing, and the The pushing member compresses the metal head of the wire inserted into the inner cavity, and makes the metal head of the wire contact with the first elastic piece.

The wire quick connection terminal and the electrical equipment of the utility model have the following beneficial effects: the metal head of the wire inserted into the inner cavity is clamped by the clamping assembly pushed by the handle and electrically connected with the inserted wire metal head through the first contact piece, which can Realize the fast connection of wires, and the wires are not easy to fall off. Compared with the existing screw terminal, the utility model can reduce the wiring time from about 10 seconds to 1 second.

Description of drawings

Fig. 1 is a schematic diagram of an existing wire terminal.

Fig. 2 is a schematic diagram of an embodiment of the wire quick connection terminal of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the wire quick connection terminal in Fig. 2 .

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Fig. 2-3, it is a schematic diagram of an embodiment of the wire quick connection terminal of the present invention, and can be used for quick connection of lighting cables and the like in building rooms. The wire quick connection terminal in this embodiment includes a housing 20, a handle 24, a clamping assembly, a first contact piece and a second contact piece, wherein the housing 20 is provided with a wire insertion hole 21 and an inner cavity, and the inner cavity passes through The wire insertion hole 21 communicates with the outside world; one end of the handle 24 is fixed on the clamping assembly, and the other end is exposed from the housing 20; the clamping assembly is located in the inner cavity, and is clamped or loosened by the handle 24 through the wire insertion hole 21 is inserted into the wire metal head 31 of the wire 30 in the inner cavity (that is, the metal part after the insulation layer is stripped); the first contact piece and the second contact piece are made of metal materials, and the first contact piece is located in the housing 20 The inner cavity of the housing 20 is in contact with the wire metal head 31 inserted into the inner cavity (that is, electrically connected), and the second contact piece exposes the housing 20 and is electrically connected with the first contact piece.

The above-mentioned wire quick connection terminal can be fixed to the PCB board of the electrical equipment, and the second contact pieces are welded to the corresponding contacts on the PCB board. When using the above-mentioned wire quick connection terminal wiring, just press the handle 24 to make the clamping assembly in a loose state, and at the same time insert the wire 30 into the wire insertion hole 21 so that the metal head 31 of the wire enters the inner cavity; then release the handle 24 to make the clip The holding assembly clamps the metal head 31 of the wire, and at the same time, the first contact piece is in contact with the metal head 31 of the wire so as to realize the conductive connection.

The above-mentioned wire quick connection terminal clamps the wire metal head 31 inserted into the inner cavity through the clamping assembly pushed by the handle 24 and is electrically connected with the inserted wire metal head 31 through the first contact piece, so that the wire can be quickly connected, and the wire Not easy to fall off. Compared with the existing screw terminal, the wire quick connection terminal can reduce the wiring time from about 10 seconds to 1 second.

In particular, the casing 20 is provided with a plurality of wire insertion holes 21, and each wire insertion hole 21 corresponds to a first contact piece and a second contact piece, so as to realize wiring of multiple wires of the same device. In actual implementation, the wires in each wire insertion hole 21 can be clamped by the same clamping assembly (one handle), or can be clamped by multiple clamping assemblies (multiple handles).

In order to ensure a reliable conductive connection, the above-mentioned wire quick connection terminal can adopt a three-point conductive connection structure, that is, the first contact piece is composed of the first elastic piece 23 and the second elastic piece 22 (the first elastic piece 23 and the second elastic piece 22 are connected with the second contact piece sheet electrical connection), and the first elastic sheet 23 and the second elastic sheet 22 are respectively located on both sides of the wire metal head 31 inserted into the inner cavity, so that no matter which side the wire 30 is biased to, it can be reliably connected to the second contact sheet. In particular, the above-mentioned first elastic piece 23 has two contacts with the wire metal head 31 , and the second elastic piece 22 has one contact with the wire metal head 31 .

The above-mentioned clamping assembly may specifically include an elastic member and a pushing member, and the elastic member may be a spring, a torsion spring, or the like. One end of the elastic member leans against the pushing member, and the other end leans against the shell, and presses the pushing member to insert the wire metal head 31 into the inner cavity, and makes the wire metal head 31 contact the first elastic piece 23 . The handle 24 can press the elastic part to loosen the pushing part, so as to insert or take out the wire metal head 31 . And at least a part of the second elastic piece moves with the pushing member and contacts the wire metal head 31 inserted into the cavity.

In a specific implementation, the above-mentioned handle 24 may be integrated with the pushing member.

In addition, the clamping of the metal head 31 of the wire can also be realized in the following manner: a clamping position is provided on the housing 20, and the clamping assembly is in a clamping state when the handle 24 is located in the clamping position (the handle 24 itself can have a certain degree of elasticity) .

The above-mentioned wire quick connection terminal can be directly applied to electrical equipment, and the electrical equipment includes a PCB board and a connecting terminal, and the PCB board has a power contact, and the connecting terminal includes a housing, a handle, a clamping assembly, a first contact piece and a second contact piece. The contact piece, wherein: the housing is provided with a wire jack and an inner cavity, and the inner cavity communicates with the outside world through the wire jack; one end of the handle is fixed on the clamping component, and the other end is exposed from the housing; the clamping component is provided with In the inner cavity, and under the push of the handle, clamp or loosen the metal head of the wire inserted into the inner cavity through the wire insertion hole; the first contact piece is located in the inner cavity and contacts the metal head of the wire inserted into the inner cavity, The second contact piece exposes the shell and is electrically connected with the first contact piece; the second contact piece is welded to the power contact on the PCB.

In the above electrical equipment, the first contact piece includes a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are respectively located on two sides of the metal head of the wire inserted into the inner cavity. The above-mentioned clamping assembly may include an elastic piece and a pushing piece, and one end of the elastic piece abuts against the pushing piece, and the other end abuts against the housing, and presses the pushing piece against the wire metal inserted into the inner cavity. head, and make the metal head of the wire contact with the first shrapnel.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (10)

1. A wire quick connection terminal, characterized in that it includes a housing, a handle, a clamping assembly, a first contact piece and a second contact piece, wherein: the housing is provided with a wire insertion hole and an inner cavity, and The inner cavity communicates with the outside world through a wire jack; one end of the handle is fixed on the clamping assembly, and the other end is exposed from the housing; the clamping assembly is arranged in the inner cavity, and is pushed by the handle Clamp or loosen the metal head of the wire inserted into the inner cavity through the wire socket; the first contact piece is located in the inner cavity and is in contact with the metal head of the wire inserted into the inner cavity, and the second contact piece is exposed from the shell and It is electrically connected with the first contact piece. 2 . The wire quick connection terminal according to claim 1 , wherein a plurality of wire insertion holes are arranged in the housing, and each wire insertion hole corresponds to a first contact piece and a second contact piece. 3 . 3. The wire quick connection terminal according to claim 1, characterized in that: the first contact piece includes a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are respectively located on the metal wire of the wire inserted into the cavity. the sides of the head. 4. The wire quick connection terminal according to claim 3, wherein the clamping assembly includes an elastic piece and a push piece, and one end of the elastic piece abuts against the push piece, and the other end abuts against the push piece. on the shell, press the pushing member into the metal head of the wire inserted into the inner cavity, and make the metal head of the wire contact with the first elastic piece. 5 . The wire quick-connect terminal according to claim 4 , wherein at least a part of the second elastic piece moves with the pushing member and contacts the metal head of the wire inserted into the inner cavity. 6 . 6. The wire quick connection terminal according to claim 4, characterized in that: the handle and the push piece are integrated. 7 . The wire quick connection terminal according to claim 1 , wherein the housing is provided with a locking position, and the clamping assembly is in a clamping state when the handle is located in the locking position. 7 . 8. An electrical device, comprising a PCB board and a power contact located on the PCB board, characterized in that: the electrical device also includes a connection terminal, and the connection terminal includes a housing, a handle, a clamping assembly, a first contact piece and the second contact piece, wherein: the housing is provided with a wire jack and an inner cavity, and the inner cavity communicates with the outside world through the wire jack; one end of the handle is fixed on the clamping assembly, and the other end The shell is exposed; the clamping assembly is set in the inner cavity, and under the push of the handle, it clamps or loosens the metal head of the wire inserted into the inner cavity through the wire insertion hole; the first contact piece is located in the inner cavity The second contact piece is exposed in the cavity and is in contact with the metal head of the wire inserted into the inner cavity, and is electrically connected with the first contact piece; the second contact piece is welded to the power contact on the PCB board. 9. The electrical device according to claim 8, wherein the first contact piece includes a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are respectively located at two ends of the wire metal head inserted into the inner cavity. side. 10. The electrical equipment according to claim 8, wherein the clamping assembly includes an elastic member and a pushing member, and one end of the elastic member leans against the pushing member, and the other end leans against the housing and pressing the pushing member into the metal head of the wire inserted into the inner cavity, and making the metal head of the wire contact with the first elastic piece.