WO2012139361A1

WO2012139361A1 - Wall-through wire connecting terminal

Info

Publication number: WO2012139361A1
Application number: PCT/CN2011/080229
Authority: WO
Inventors: 田国祯
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-04-12
Filing date: 2011-09-27
Publication date: 2012-10-18
Also published as: CN202076428U

Abstract

A wall-through wire connecting terminal comprises at least one terminal base. The terminal base comprises a terminal substrate (21) and two conductive lugs (22). The conductive lugs (22) are fixed on the terminal substrate (21); and a wire connecting hole (28) is formed at each of two ends of each conductive lug (22). In the present invention, two conductive lugs 22 are fixed in one terminal base, so that a circuit loop can be formed in one terminal base. Moreover, a terminal mounting frame may be used to serially connect multiple terminal bases.

Description

Wall-through terminal block

The utility model relates to the technical field of electrical wires, in particular to a through-wall type terminal block. Background technique

At present, in the fields of low-voltage electrical appliances, industrial automation and electronic equipment in the communication industry, the through-wall terminal blocks installed on the panels of electrical equipment have been widely used due to their convenient wiring and reliable performance. There is a through-wall terminal block as shown in Fig. 1 (a) and Fig. 1 (b), which is composed of a front end plate 1, a rear end plate 2 and a plurality of terminal blocks 3, The front end plate 1 and each of the terminal block 3 are provided with a protruding L-shaped hook A on the front surface thereof, and a connecting hole H corresponding to the hook is disposed on the rear surface of the rear end plate 2 and each of the terminal block 3, in the connecting hole H On one side of the hole wall, there is a hanging table B matched with the hook A, and the front end plate or the hook A of the front piece of the terminal block can be fastened to the hanging piece B of the rear terminal block or the rear end plate, The interlocking manner can perform assembly of any length of the terminal block 3 in an unlimited number.

As can be seen from Fig. 1 (a), the above-mentioned structure of the through-wall terminal block is complicated, and the front end plate, the rear end plate and the multi-piece terminal block also contain many parts inside, especially in the terminal block. The hooks and hangers provided thereon greatly increase the complexity of the structure, making the production and assembly more complicated and costly; and the above-mentioned through-wall terminal blocks are electrically connected, and are directly inserted into the terminals by cable or tubular terminals. The row and the screw structure are pressed together. This type of connection is likely to cause more problems such as the cable is not pressed or the heat is generated when the current is large. More importantly, only one cable can be connected to each terminal block in the prior art through-wall terminal block, and since the circuit is usually composed of positive and negative poles, it is necessary to form a complete The circuit must be wired with two terminal blocks at the same time, which increases the number of terminal blocks and increases the complexity of the wiring. Utility model content

The utility model provides a through-wall type terminal for solving the complicated structure of the terminal in the prior art, and a terminal block of the terminal can not form a loop, which causes a cumbersome technical problem of the wiring process.

In order to solve the above problems, the technical solution of the present invention is implemented as follows:

A through-wall terminal block, comprising:

At least one terminal base, the terminal base includes: a terminal substrate 21 and two conductive tabs 22; wherein the conductive tabs 22 are fixed on the terminal substrate 21, and each of the conductive tabs 22 A wiring hole 28 is provided at each end.

The sidewall of the terminal substrate 21 is provided with a convex structure, and the conductive tab 22 is locked and fixed on the terminal substrate 21 by the protruding structure.

Wherein, when the conductive tab 22 is fixed on the terminal substrate 21, the two conductive tabs 22 are arranged in a stepwise manner.

Wherein, the through-wall terminal block further comprises:

The terminal side cover 23 is mounted on one side of the terminal substrate 21 to which the conductive tab 22 is fixed. The terminal side cover 23 is attached to one side of the terminal substrate 21 by screws or snaps. Wherein, when the number of the terminal bases is plural, the plurality of terminal bases are arranged side by side, and a through hole is disposed on the terminal substrate 21 of each terminal base and the terminal side cover 23;

The through-wall type terminal block further includes: a terminal mounting bracket 24 having a cross-sectional shape matching the shape of the through hole;

The terminal mounting bracket 24 sequentially passes through the plurality of terminal substrates 21 and the through holes on the terminal side cover 23 in series to connect the plurality of terminal bases.

Wherein, the through-wall terminal block further comprises:

The terminal protection cover 25 is attached to the outside of the terminal side cover 23 and the terminal substrate 21.

The bottom of the terminal protection cover 25 is fixedly mounted on the terminal side cover 23 via the rotating shaft 251. And an outer side of the terminal substrate 21;

The top of the terminal protection cover 25 is movably mounted to the outside of the terminal side cover 23 and the terminal substrate 21 by a snap 252.

Wherein, the inner side wall of the wiring hole 28 is provided with a thread.

The conductive tab 22 is a copper lug.

The through-wall type terminal in the embodiment of the present invention can form a circuit loop inside a terminal base by fixing two conductive tabs in one terminal base; and, can be connected in series through the terminal mounting bracket Multiple terminal bases make the structure of the through-wall terminal block simple and the wiring process simple. DRAWINGS

Figure 1 (a) is a schematic view showing the overall structure of a through-wall terminal block in the prior art; Figure 1 (b) is a partial structural view of a through-wall terminal block in the prior art; Figure 2 (a) is A structural view of a sub-assembly of the through-wall terminal in the embodiment of the present invention;

2(b) is a structural view showing the through-wall terminal block in the embodiment of the present invention when it is not fixed;

Fig. 1 (c) is an overall structural view of the through-wall terminal block in the embodiment of the present invention after being fixed. detailed description

The embodiment of the present invention provides a through-wall type terminal, which can solve the complicated structure of the terminal in the prior art, and one terminal block of the terminal can not form a loop, and at least two terminal blocks can constitute The complete circuit loop causes technical problems that are cumbersome in the wiring process.

The embodiment of the present invention provides a through-wall terminal block, as shown in Figure 2 (a), Figure 2 (b) And as shown in Figure 2 (c), the through-wall terminal block includes:

At least one terminal base, each terminal base comprises: a terminal substrate 21 and two conductive tabs 22; wherein the two conductive tabs 22 are fixed on the terminal substrate 21, and each conductive tab A wiring hole 28 is provided at each end of the 22 .

Specifically, when the conductive tab 22 is fixed, a protruding structure may be disposed on the sidewall of the terminal substrate 21, and the two conductive tabs 22 may be fixed to the terminal substrate 21 by the protruding structure. Of course, the fixing of the conductive lug can also be implemented in other ways, which is not specifically limited herein.

Preferably, in order to prevent the conductive tab 22 from being exposed, thereby preventing foreign matter from being charged, a terminal side cover 23 may be added to the through-wall terminal, and specifically, the conductive tab 22 may be fixed on the terminal substrate 21. One side.

Through the above structural design, two conductive tabs 22 are simultaneously contained inside one terminal base, and the shapes of the two conductive tabs 22 may be the same or different. Two wiring holes 28 are provided in each of the conductive lugs 22. Specifically, a wiring hole provided at one end of each conductive tab 22 is provided for a device provider applying the through-wall terminal to perform internal wiring of the device, and a wiring hole provided at the other end is provided for application to the device. The user can make external wiring of the device; and two conductive tabs can be respectively connected to the positive and negative poles of the circuit, so that a terminal circuit can form a complete circuit loop inside, which simplifies the wiring inside the terminal base, and The number of terminal bases is saved. Moreover, as can be seen from Fig. 2(a), the wiring holes provided at one end of each of the conductive lugs are located on a vertical plane, thereby facilitating the user to externally connect the device; the wiring holes provided at the other end are located on a horizontal plane. This makes it easy for the equipment provider to make internal wiring of the equipment.

Preferably, in order to facilitate wiring between the user and the equipment provider, the two conductive tabs 22 in FIG. 2(a) are arranged in a stepwise manner, that is, two conductive tabs are staggered and fixed on the side wall of the terminal substrate to form a step. Structure. In this way, the crimping tools, screwdrivers, etc., which are required for wiring, are wired. The tool leaves plenty of room.

In practical applications, the number of terminal pedestals can be flexibly set for the through-wall wiring terminals in the embodiments of the present invention as needed. When the number of the terminal bases is plural, the plurality of terminal bases are arranged side by side, and a through hole is disposed on the terminal substrate of each terminal base and the terminal side cover, the through-wall type terminal block further includes : a terminal mounting bracket 24 having a cross-sectional shape that matches the shape of the through hole, the terminal mounting bracket 24 sequentially passing through the plurality of terminal base plates 21 and the through holes on the terminal side cover 23 in series with the plurality of terminal bases. The terminal side cover 23 is attached to one side of the terminal substrate of the outermost one of the plurality of terminal bases arranged side by side by screws 26 or snaps. Thus, a plurality of terminal bases are connected in series to the terminal mount 24.

Although the plurality of terminal bases can also move left and right on the terminal mounting bracket 24, since the device to which the through-wall type terminal is applied is provided with an opening having a shape and size matching the through-wall terminal, the wall is After the terminal block is installed on the device, the position of each terminal base is fixed. For specific installation, only the two screws are used to fix the terminal mounting bracket inside the device. In specific implementation, the cross-sectional shape of the terminal mounting bracket and the shape of the through hole can be flexibly designed, for example, can be designed in the shape of a diamond, a square, a T-shape, a "", a "", or a "[".

Preferably, the thread can be disposed on the inner side wall of each of the wiring holes. When the cable is crimped, the crimped cable can be fixed to the wiring hole by screws, thereby improving the reliability of the cable crimping. Sexuality avoids the problem of more heat when the current is large.

In addition, in order to prevent the operator from getting an electric shock, and also to prevent foreign matter such as dust from falling inside the terminal, the through-wall terminal may further include: a terminal protection cover 25, the two ends of the terminal protection cover 25 being respectively mounted on the terminal side cover 23 and the outer side of the terminal substrate 21 of one of the innermost ones of the terminal bases. Moreover, in a specific implementation, the bottom of the terminal protection cover 25 can be fixedly mounted on the outer side of the terminal side cover 23 and the terminal base 21 of the innermost one of the terminal bases via the rotating shaft 251, and the top of the terminal protection cover 25 can be moved by the buckle 252. It is attached to the outside of the terminal side plate 21 of the terminal side cover 23 and the innermost one terminal base. Thus, the bottom of the terminal protection cover 25 and the through wall The terminal block is always connected through the rotating shaft 251, which avoids the problem caused by the terminal protection cover 25 falling off when the terminal is applied to the high-altitude device, and the top of the terminal protection cover 25 can be realized between the terminal through the buckle 252 Free fixation and separation.

In the embodiment of the present invention, the conductive tab can be made of various conductive materials, for example, can be made of a copper material; and, according to the design of the conduction current, brass or pure copper can be used to make the conductive. The lugs achieve flexible changes in cost over a small range. When the conductive lug is made of copper material, the copper sheet can be tapped into several sizes of M2.5-M6 threads, and then fixed to the terminal side cover, so that the utility model adapts to the M2.5-M6 Screws of various sizes. Therefore, the design of the terminal block can be freely designed according to the requirements of the screw to achieve flexible configuration.

It is apparent that those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and the modifications

Claims

Claim

1. A through-wall terminal block, comprising:

At least one terminal base, the terminal base includes: a terminal substrate (21) and two conductive tabs (22); wherein the conductive tabs (22) are fixed on the terminal substrate (21), And each of the conductive lugs (22) is provided with a wiring hole (28) at each end thereof.

2. The through-wall terminal of claim 1, wherein a sidewall of the terminal substrate (21) is provided with a convex structure, and the conductive tab (22) is engaged by the protruding structure It is fixed to the terminal substrate (21).

The through-wall terminal according to claim 1, wherein when the conductive tab (22) is fixed on the terminal substrate (21), the two conductive tabs (22) are arranged in a stepwise manner.

The through-wall type terminal block according to any one of claims 1 to 3, wherein the through-wall type terminal block further comprises:

A terminal side cover (23) is attached to one side of the terminal substrate (21) to which the conductive tab (22) is fixed.

The through-wall terminal according to claim 4, wherein the terminal side cover (23) is attached to one side of the terminal substrate (21) by a screw or a snap.

6. The through-wall terminal according to claim 4, wherein when the number of the terminal bases is plural, the plurality of terminal bases are arranged side by side, and the terminal substrate (21) of each of the terminal bases is a through hole is arranged on the terminal side cover (23);

The through-wall terminal further includes: a terminal mounting bracket (24) having a cross-section conforming to the shape of the through hole;

The terminal mounting bracket (24) sequentially passes through the plurality of terminal substrates (21) and the through holes on the terminal side cover (23) to connect the plurality of terminal bases in series.

7. The through-wall terminal of claim 4, wherein the through-wall terminal further comprises: The terminal protection cover (25) is attached to the outside of the terminal side cover (23) and the terminal substrate (21).

8. The through-wall terminal of claim 7, wherein

The bottom of the terminal protection cover (25) is fixedly mounted on the outer side of the terminal side cover (23) and the terminal substrate (21) through a rotating shaft (251);

The top of the terminal protection cover (25) is movably mounted on the outer side of the terminal side cover (23) and the terminal substrate (21) by a snap (252).

9. The through-wall terminal of claim 1, wherein the inner side wall of the wiring hole (28) is provided with a thread.

10. The through-wall terminal of claim 1 wherein said conductive tab (22) is a copper tab.