CN204103060U - Type low-voltage cable Quick Connect Kit - Google Patents

Abstract

The utility model discloses a low-voltage cable fast connection device, which relates to the technical field of connection devices for cables or electric wires. The connecting device includes an upper cover and a lower cover. One of the two low-voltage cables to be connected is placed in a wire channel in the upper cover through the semicircular through hole on the left side of the upper cover. The free end of the cable is located on the right side of the metal backing plate, and then another cable is placed into another wire channel through the semicircular through hole on the right side of the upper cover, and the lower cover and the upper cover are fixedly connected by bolts, and finally Rotate the clamping bolts in turn to make the clamping bolts rotate up. When the clamping bolts rotate up, one end of the clamping bolts contacts the metal pressure plate, which drives the metal pressure plate to move upward, and then compresses the two low-voltage cables through the metal pressure plate. , because the backing plate and the pressure plate are metal parts with good electrical conductivity. Because the device uses a plurality of metal pressing plates to clamp the wires, the clamping effect is good.

Description

Low-voltage cable quick connection device

technical field

The utility model relates to the technical field of connection devices for cables or wires, in particular to a low-voltage cable quick connection device.

Background technique

In the prior art, crimping or winding connection is often used for connection between wires. For crimping connection, when the wire bears a large tensile force, it is necessary to increase the crimping length to prevent falling off during use; for winding connection, the joint process is rough and the reliability is poor. Therefore, currently in the prior art, a cable connection device is used to assist in connecting two wires, but the existing device either has a complex structure or poor connection effect, and is very inconvenient to use.

Utility model content

The technical problem to be solved by the utility model is to provide a low-voltage cable quick connection device, which has the characteristics of simple structure, firm connection, reliability and good effect.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a low-voltage cable quick connection device, which is characterized in that: the connection device includes an upper cover and a lower cover, and the left and right sides of the upper cover and the lower cover The wall is provided with a semicircular through hole. After the upper cover and the lower cover are fixedly connected, the two semicircular through holes on the side wall on the same side form a wire entry hole. The upper cover is provided with a metal backing plate. A low-voltage cable guiding device is provided on the metal backing plate, and the low-voltage cable guiding device is provided with two groups, which are arranged along the front and rear directions of the upper cover, and are used to guide the wires entering the connecting device; Pressure plate limit device, the pressure plate limit device is provided with two groups, set along the left and right direction of the lower cover, each set of pressure plate limit device is equipped with a metal pressure plate set along the front and rear direction of the lower cover, the low-voltage cable guide The device is set opposite to the pressure plate limit device, and the width of the pressure plate limit device is smaller than the width of the low-voltage cable guide device. The lower side of the lower cover is provided with a threaded hole, and one end of the clamping bolt enters through the threaded hole. In the lower cover, the other end of the clamping bolt is located outside the lower cover. When the clamping bolt rotates up, one end of the clamping bolt contacts the metal pressure plate, which drives the metal pressure plate to move upward, compressing the low-voltage cable, and the low-voltage The two cable placement passages of the cable guiding device are set opposite to the wire entry holes respectively.

A further preferred technical solution is: the low-voltage cable guiding device is more than two guide posts or guide plates arranged at intervals along the left and right directions of the upper cover, and three rows of guide posts or guide plates are arranged, and a low-voltage cable guide is formed between each two rows. placement channel.

A further preferred technical solution is that: the pressure plate limiting device is more than two guide columns or guide plates arranged along the front and rear directions of the lower cover, the guide columns or guide plates are provided with four rows, and a metal pressure plate is formed between each two rows. positioning space.

A further preferred technical solution is that: a sealing member is provided on the semicircular through hole.

A further preferred technical solution is: two threaded holes are provided on the lower cover of the lower side of the metal pressure plate along the front and rear direction of the lower cover, and a clamping bolt is provided in each threaded hole.

A further preferred technical solution is: the metal pressing plate is an elastic member, and two arc-shaped depressions are provided along the front and back direction of the metal pressing plate, the threaded hole is opposite to the lowest end of the arc-shaped depression, and the opening of the arc-shaped depression faces Cable placement channels.

The beneficial effect of adopting the above technical solution is: firstly, one of the two low-voltage cables to be connected is placed into a wire channel in the upper cover through the semicircular through hole on the left side of the upper cover, and then The free end of the first cable is located on the right side of the metal backing plate, and then the other cable is placed into another wire channel through the semicircular through hole on the right side of the upper cover, and the lower cover and the upper cover are fixedly connected by bolts , and finally rotate the clamping bolts sequentially to make the clamping bolts rotate up. When the clamping bolts rotate up, one end of the clamping bolts contacts the metal pressure plate, which drives the metal pressure plate to move upward, and then the two low-voltage cables are connected through the metal pressure plate. Compression, because the backing plate and the pressure plate are metal parts with good electrical conductivity. Because the device uses a plurality of metal pressure plates to clamp the wires, the clamping effect is good. In addition, the low-voltage cable guide device and the pressure plate limit device are provided to make the installation faster.

In addition, the further metal pressing plate can also use elastic parts, and the metal pressing plate is provided with arc-shaped depressions, which can better fix low-voltage cables, especially for multi-strand cables; the upper cover and the lower cover use insulating parts, which can Good insulation effect is achieved; the wire entry hole is located on the side wall of the device, and the threaded hole is located at the lowest point of the device, making it difficult for water to enter the device and cause damage to the device, improving the service life and reliability of the device. the

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is A-A sectional view of Fig. 1;

Fig. 3 is another kind of structural representation of metal platen in Fig. 1;

Among them: 1. Upper cover 2. Lower cover 3. Wire entry hole 4. Metal backing plate 5. Low-voltage cable guide device 6. Pressure plate limit device 7. Metal pressure plate 8. Clamping bolts.

Detailed ways

Below in conjunction with the accompanying drawings in the utility model embodiment, the technical solution in the utility model embodiment is clearly and completely described, obviously, the described embodiment is only a part of the utility model embodiment, rather than all implementation example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here, and those skilled in the art can do so without violating the connotation of the utility model. Under the circumstances, similar promotion is done, so the utility model is not limited by the specific embodiments disclosed below.

It should be pointed out that the front, back, left, and right mentioned in this application refer to the front, back, left, and right of FIG. 1 .

As shown in Figure 1-2, the utility model discloses a low-voltage cable quick connection device, the connection device includes an upper cover 1 and a lower cover 2, and the upper cover 1 and the lower cover 2 are made of hard insulating materials Formed, the left and right side walls of the upper cover 1 and the lower cover 2 are provided with semicircular through holes, after the upper cover 1 and the lower cover 2 are fixedly connected, two semicircular through holes on the same side wall constitute The wire enters the hole 3, and the semicircular through hole is provided with a seal, which is used to realize the sealed connection between the low-voltage cable and the device, and prevent water from entering the device.

The upper cover 1 is provided with a metal backing plate 4, and the metal backing plate 4 is provided with a low-voltage cable guiding device 5, and the low-voltage cable guiding device 5 is provided with two groups, which are arranged along the front and back direction of the upper cover 1 , used to guide the wires entering the connection device, further the low-voltage cable guide device 5 is more than two guide posts or guide plates arranged at intervals along the left and right directions of the upper cover 1, and three rows of guide posts or guide plates are provided. A low-voltage cable placement channel is formed between every two rows, and the two cable placement channels of the low-voltage cable guide device 5 are set opposite to the wire entry hole 3, so that the low-voltage cable can be positioned more quickly.

The lower cover 2 is provided with a pressure plate limiting device 6, and the pressure plate limiting device 6 is provided with two groups, which are arranged along the left and right direction of the lower cover. Further, the pressure plate limiting device 6 is more than two along the lower cover. The front and rear directions of 2 are provided with guide columns or guide plates, and the guide columns or guide plates are provided with four rows, forming a positioning space for the metal platen 7 between every two rows. Each set of platen limiting devices 6 is provided with a metal platen 7 arranged along the front and rear direction of the lower cover 2, the low-voltage cable guide device 5 is set opposite to the platen limiter 6, and the width of the platen limiter 6 Smaller than the width of the low-voltage cable guide device 5, the lower side of the lower cover 2 is provided with a threaded hole, one end of the clamping bolt 8 enters the lower cover 2 through the threaded hole, and the other end of the clamping bolt 8 is located under the Outside the cover 2, when the clamping bolt 8 rotates up, one end of the clamping bolt 8 contacts the metal pressing plate 7, which drives the metal pressing plate 7 to move upward, and compresses the low-voltage cable. Further, in order to improve the clamping effect, the lower cover 2 on the lower side of the metal pressure plate 7 is provided with two threaded holes along the front and rear direction of the lower cover 2, and a clamping bolt 8 is provided in each threaded hole.

The metal pressing plate can be a non-elastic metal piece, or an elastic metal piece. The clamping effect of the elastic metal piece is better. When it is an elastic metal piece, as shown in Figure 3, on the metal pressing plate, along the metal Two arc-shaped depressions are provided in the front and rear directions of the pressing plate 7 , the threaded holes are opposite to the lowest ends of the arc-shaped depressions, and the openings of the arc-shaped depressions face the cable placement channel.

First, place one of the two low-voltage cables that need to be connected into a wire channel in the upper cover through the semicircular through hole on the left side of the upper cover. The free end of this cable is located on the metal backing plate. on the right side, and then put another cable into another wire channel through the semicircular through hole on the right side of the upper cover, and connect the lower cover and the upper cover with bolts, and finally rotate the clamping bolts in turn to make the clamping The tightening bolt rotates and rises. When the clamping bolt rotates and rises, one end of the clamping bolt contacts the metal pressure plate, driving the metal pressure plate to move upward, and then compresses the two low-voltage cables through the metal pressure plate. Since the backing plate and the pressure plate are metal parts Good electrical conductivity. Because the device uses a plurality of metal pressure plates to clamp the wires, the clamping effect is good. In addition, the low-voltage cable guide device and the pressure plate limit device are provided to make the installation faster.

In addition, the further metal pressing plate can also use elastic parts, and the metal pressing plate is provided with arc-shaped depressions, which can better fix low-voltage cables, especially for multi-strand cables; the upper cover and the lower cover use insulating parts, which can Good insulation effect is achieved; the wire entry hole is located on the side wall of the device, and the threaded hole is located at the lowest point of the device, making it difficult for water to enter the device and cause damage to the device, improving the service life and reliability of the device. the

Claims (6)

1. A low-voltage cable quick connection device, characterized in that: the connection device includes an upper cover (1) and a lower cover (2), and the left and right side walls of the upper cover (1) and the lower cover (2) A semicircular through hole is provided. After the upper cover (1) and the lower cover (2) are fixedly connected, the two semicircular through holes on the same side wall form a wire entry hole (3), and the upper cover (1) ) is provided with a metal backing plate (4), and the metal backing plate (4) is provided with a low-voltage cable guiding device (5). The low-voltage cable guiding device (5) is provided with two groups, along the upper cover ( 1) is set in the front and back direction, which is used to guide the wires entering the connection device; the lower cover (2) is provided with a pressure plate limit device (6), and the pressure plate limit device (6) is provided with two groups, Arranged along the left and right directions of the lower cover, each set of clamping plate limiting devices (6) is provided with a metal clamping plate (7) set along the front and rear direction of the lower cover (2), the low-voltage cable guide device (5) and the clamping plate limit The positioning device (6) is arranged oppositely, and the width of the pressure plate limiting device (6) is smaller than the width of the low-voltage cable guiding device (5), and the lower side of the lower cover (2) is provided with threaded holes for clamping bolts One end of (8) enters the lower cover (2) through the threaded hole, and the other end of the clamping bolt (8) is located outside the lower cover (2). When the clamping bolt (8) rotates up, the clamping One end of the tightening bolt (8) is in contact with the metal pressure plate (7), which drives the metal pressure plate (7) to move upwards, compressing the low-voltage cables, and the two cable placement channels of the low-voltage cable guide device (5) respectively enter the The holes (3) are relatively arranged. 2. The low-voltage cable quick connection device according to claim 1, characterized in that: the low-voltage cable guiding device (5) is more than two guide columns or guide plates arranged at intervals along the left and right directions of the upper cover (1) , There are three rows of guide columns or guide plates, and a channel for placing low-voltage cables is formed between every two rows. 3. The low-voltage cable quick connection device according to claim 2, characterized in that: the pressure plate limiting device (6) is more than two guide columns or guide plates arranged along the front and rear directions of the lower cover (2), The guide column or the guide plate is provided with four rows, and a positioning space for the metal pressing plate (7) is formed between every two rows. 4. The low-voltage cable quick connection device according to claim 1, characterized in that a seal is provided on the semicircular through hole. 5. The low-voltage cable quick connection device according to claim 1, characterized in that: on the lower cover (2) on the lower side of the metal pressure plate (7), there are two Threaded holes, each threaded hole is provided with a clamping bolt (8). 6. The low-voltage cable quick connection device according to claim 1, characterized in that: the metal pressure plate (7) is an elastic member, and there are two arc-shaped depressions along the front and rear directions of the metal pressure plate (7), the The threaded hole is opposite to the lowest end of the arc-shaped recess, and the opening of the arc-shaped recess faces the cable placement channel.