CN203839323U - Fuse Base Terminal Assembly - Google Patents

Abstract

The utility model discloses a fuse base binding post device, the on-line screen storage device comprises a base, be provided with an at least conductive copper bar on the base, still be provided with connecting bolt and the coupling nut that is used for alternative and outside cable junction in the base, lie in on the base the below of conductive copper bar is provided with and is used for the installation coupling nut's recess, coupling nut installs in the recess, connecting bolt follows the below of recess is passed in order coupling nut with the conductive copper bar, just connecting bolt's top stretch out in the top of conductive copper bar. The cable connecting device is simple in structure, convenient and practical, two different cable connecting modes can be realized, different requirements are met, materials are saved, and the cost is reduced.

Description

Fuse Base Terminal Assembly

technical field

The utility model relates to the technical field of fuse bases, in particular to a fuse base terminal device.

Background technique

There are two ways to connect the cable terminal of the existing fuse base, one is to fix a nut on the terminal, and connect to the external cable through the nut; the other is to fix a bolt on the terminal, and connect to the external cable through the bolt. cable connection. Current products cannot allow customers to choose a suitable connection method according to their needs on the spot, and they can only choose one of them when purchasing. If the customer is not sure which connection method he needs, he needs to buy back fuse bases with two different connection methods, which increases the cost.

Utility model content

The purpose of the invention of the utility model is to overcome the defects in the prior art, and provide a fuse base terminal device with two wiring modes, simple structure and convenient operation.

A fuse base connection terminal device provided by the technical solution of the utility model includes a base on which at least one conductive copper bar is arranged, and a connecting bolt for selectively connecting with an external cable is also arranged in the base and a connection nut, the base is located below the conductive copper bar and is provided with a groove for installing the connection nut, the connection nut is installed in the groove, and the connection bolt is connected from the groove The bottom passes through the connecting nut and the conductive copper bar in sequence, and the top end of the connecting bolt protrudes above the conductive copper bar.

Further, the connecting bolt is detachably connected with the connecting nut.

Further, a bolt installation hole penetrating with the groove is provided in the base below the groove, the bottom end of the connecting bolt is located in the bolt installation hole, the main body of the connecting bolt is connected to the The connecting nuts are screwed together.

Further, a hollow space is provided in the base below the bolt installation holes.

Further, the connecting nut includes a nut main body and a nut connecting portion extending from the nut main body, a groove supporting portion is provided on the groove, and the nut connecting portion is installed on the groove supporting Ministry.

Further, a spring washer is arranged between the connecting bolt and the connecting nut.

Further, three steps are arranged in a step shape on the upper surface of the base, each of which is provided with a piece of the conductive copper bar, and each of the steps is provided with the connecting bolt and the Connection nut.

Further, a protective cover is provided on the bottom of the base, and the protective cover is fastened on the bottom of the base.

Adopt above-mentioned technical scheme, have following beneficial effect:

The combination of bolts and nuts is arranged above the base, specifically the connection nuts are installed in the grooves, the connection nuts are fitted with connection bolts, and the connection bolts and the connection nuts can be selectively connected to external cables. That is, if the customer needs to use the nut connection method, the connecting bolt can be removed, the external cable is placed on the conductive copper bar, and then the connecting bolt or external bolt is tightened with the connecting nut from top to bottom, and the cable and the conductive copper bar If the customer needs to use the bolt connection method, the cable clamp of the external cable can be placed on the top of the connection bolt, and then the external nut and the connection bolt can be used to realize the connection between the external cable and the conductive copper bar. Another way to connect cables.

Therefore, the fuse base terminal device provided by the utility model can provide customers with two different cable connection methods, which is convenient for customers to choose different connection methods according to different needs, and meets different needs. Customers do not need to purchase two The switch is used to meet the needs, the cost is reduced, and the structure is simple, easy to operate, and has good practicability.

Description of drawings

Fig. 1 is a schematic diagram of the fuse base terminal device provided by the present invention, using bolts to connect cables;

Fig. 2 is an explosion schematic diagram of the fuse base terminal device shown in Fig. 1;

Fig. 3 is a schematic diagram of removing the connecting bolts in the fuse base terminal device shown in Fig. 1 and connecting the cables with nuts;

Fig. 4 is a cross-sectional view along the A-A direction of the fuse base terminal device shown in Fig. 1;

Fig. 5 is a schematic diagram of the internal structure of the fuse base terminal device shown in Fig. 4;

Fig. 6 is a schematic structural diagram of the connecting nut shown in Fig. 2;

Fig. 7 is a schematic diagram of the structure of the groove above the base.

Reference sign comparison table:

1-base; 11-step; 12-groove;

121-groove support portion; 13-bolt mounting holes; 14-hollow space;

2-conductive copper bar; 21-copper bar through hole; 3-connecting bolts;

31-bottom; 32-main body; 33-top;

4-connection nut; 41-nut body part; 42-nut connection part;

43-connection hole; 44-installation hole; 5-protective cover;

51-buckle; 6-spring washer.

Detailed ways

The specific embodiment of the utility model will be further described below in conjunction with the accompanying drawings.

Fuse switch or fuse-type isolating switch is usually used in conjunction with fuses, making full use of the protection characteristic curve of fuses to realize the protection of equipment in cables and lines, and providing obvious disconnection points during maintenance to ensure the personal safety of workers, and It can expand the lighting equipment of other intelligent systems.

The utility model provides a fuse base wiring terminal device, as shown in Figure 1-7, including a base 1, on which at least one conductive copper bar 2 is arranged, and in the base 1 there is also a device for selectively connecting with The connection bolt 3 and the connection nut 4 connected by the external cable, the bottom of the conductive copper bar 2 on the base 1 is provided with a groove 12 for installing the connection nut 4, the connection nut 4 is installed in the groove 12, and the connection bolt 3 is connected from the groove The bottom of 12 passes through the connecting nut 4 and the conductive copper bar 2 in sequence, and the top 33 of the connecting bolt 3 protrudes above the conductive copper bar 2 .

That is, the fuse base connection terminal device includes a base 1 on which a conductive copper bar 2 , connecting bolts 3 and connecting nuts 4 are arranged. The base 1 is used for installing the conductive copper bar 2, the connecting bolt 3, the connecting nut 4 and other components. The conductive copper bar 2 is installed on the top of the base 1 by screws, and one conductive copper bar 2 or multiple conductive copper bars 2 can be set as required, and the conductive copper bar 2 is used to conduct the current to the required position.

A connecting bolt 3 and a connecting nut 4 for selectively connecting with an external cable are also arranged in the base 1 . That is, the base 1 is further provided with a connecting bolt 3 and a connecting nut 4 , and the connecting bolt 3 and the connecting nut 4 are used for selectively connecting with an external cable. The connecting bolt 3 and the connecting nut 4 can be connected with external cables according to needs, and the external cable can be connected to the connecting nut 4 or the external cable can be connected to the connecting bolt 3 according to needs, so as to realize different cable connection methods. The above connection method of selectively connecting the external cable to the connecting bolt 3 or the connecting nut 4 is referred to as selectively connecting to the external cable.

The above-mentioned connection nut 4 can be a standard hexagonal nut or a special-shaped nut, and the characteristics of the special-shaped nut will be described in detail later.

There is a groove 12 on the base 1, which is used to install the connecting nut 4. After the connecting nut 4 is installed in the groove 12, the conductive copper bar 2 is fastened on the base 1, and the connection on the connecting nut 4 is kept. The connecting hole 43 is aligned with the copper through-hole 21 on the conductive copper bar 2 , so that the connecting bolt 3 can pass through the connection, and the conductive copper bar 2 is located above the connecting nut 4 .

After the connection nut 4 is installed in the groove 12, the connection bolt 3 is connected upward from the bottom of the groove 12, passing through the connection hole 43 on the connection nut 4 and the copper through hole 21 on the conductive copper bar 2 in sequence , and the top end 33 of the connecting bolt 3 protrudes above the conductive copper bar 2 for connecting with an external cable.

When the fuse base terminal device provided by the utility model is produced, as shown in Figure 1, if the customer needs to use the bolt connection cable method, the cable clamp of the external cable can be directly placed on the top 33 of the connection bolt 3, and then through The external nut cooperates with the connecting bolt 3, and finally the cable clamp is tightened on the conductive copper bar 2, so as to realize the communication between the external cable and the conductive copper bar 2, and realize a cable connection mode.

If the customer needs to use a nut to connect the cable, as shown in Figure 3 combined with Figure 2 and Figure 4, the connecting bolt 3 can be removed from the connecting nut 4, the cable clamp of the external cable is placed on the top of the conductive copper bar 2, and Align the connecting nut 4 of the terminal, use the removed connecting bolt 3 or external bolt to pass through the cable clamp from top to bottom and screw it into the connecting nut 4, and finally tighten the cable clamp on the conductive copper bar 2 to obtain the cable It communicates with the conductive copper bar 2 to realize another cable connection mode.

Therefore, the fuse base terminal device provided by the utility model can provide customers with two different cable connection methods, which is convenient for customers to choose different connection methods according to different needs, and meets different needs. Customers do not need to purchase two The switch is used to meet the needs, the cost is reduced, and the structure is simple, easy to operate, and has good practicability.

Preferably, the connecting bolt 3 can also be detachably connected with the connecting nut 4 . The connection nut 4 and the connection bolt 3 are detachably connected together, that is, the two are connected together, and the two can be disassembled and separated as required to realize different cable connection methods. By arranging the above-mentioned connecting bolt 3 and connecting nut 4 to be detachably connected together for selectively connecting the connecting bolt 3 and the connecting nut 4 with external cables, the operation is convenient, and different cable connection methods can be realized , to meet the different needs of customers and save costs.

Preferably, as shown in Figures 4-5, the base 1 is located below the groove 12 and is provided with a bolt installation hole 13 through the groove 12, the bottom end 31 of the connecting bolt 3 is located in the bolt installation hole 13, and the connecting bolt The main body part 32 of 3 is screwed together with the connection nut 4. The connecting bolt 3 includes a bottom end 31 , a main body portion 32 and a top end 33 which are sequentially connected together. The bottom end 31 can be a mounting end, and the bottom end 31 , the main body portion 32 and the top end 33 are integrally formed.

Bolt mounting holes 13 are arranged below the groove 12 in the base 1 , which communicate with the groove 12 to facilitate the installation of the connecting bolt 3 , and provide guidance for installing the connecting bolt 3 to avoid the deviation of the connecting bolt 3 . After installation, the bottom end 31 of the connecting bolt 3 is fastened in the bolt mounting hole 13, and its main body 32 is screwed together with the connecting nut 4 to realize disassembly and assembly, and its top end 33 protrudes above the conductive copper bar 2 .

Preferably, as shown in FIGS. 4-5 , a hollow space 14 is provided in the base 1 below the bolt mounting holes 13 . The bottom of the hollow space 14 is an opening arranged under the base 1. By setting the hollow space 14, on the one hand, it is convenient for the user to extend his hand or tighten the tightening tool to assemble the connecting bolt 3 on the connecting nut 4. , or removed from the connecting nut 4, on the other hand, it can reduce the weight of the fuse base terminal device, save materials and reduce costs.

Preferably, as shown in Figures 6-7, the connecting nut 4 includes a nut main body 41 and a nut connecting part 42 extending from the nut main body 41, the groove 12 is provided with a groove support part 121, and the nut connecting part 42 is installed in the groove support part 121.

The connection nut 4 includes a nut body part 41 and a nut connection part 42. At least one nut connection part 42 is formed extending from the nut body part 41, and can be called a special-shaped nut.

A connection hole 43 is provided on the nut body part 41 for threaded connection with the body part 32 of the connecting bolt 3, an installation hole 44 is provided on the nut connection part 42, and a corresponding hole can be provided on the conductive copper bar 2 for The connecting bolt passes through and connects to the mounting hole 44 to realize conductive installation

Preferably, as shown in FIGS. 6-7 , a nut connecting portion 42 is respectively extended on both sides of the nut body portion 41 , and two nut connecting portions 42 are symmetrically arranged on both sides of the nut body portion 41 , and two The nut connection parts 42 are not on the same straight line. Correspondingly, a groove support part 121 corresponding to the nut connection part 42 is respectively provided on both sides of the groove 12, and the two nut connection parts 42 are installed in the two grooves respectively. Inside the support portion 121 .

The two nut connecting parts 42 are not on the same straight line, that is, the connecting line between the ends of the two nut connecting parts 42 and the nut body part 41 forms a triangle, so that the connecting line between the two mounting holes 44 and the connecting hole 43 also forms a Triangular shape for increased structural strength.

Preferably, as shown in FIG. 2 , a spring washer 6 is provided between the connecting bolt 3 and the connecting nut 4 to improve the stability of the connection between the two and avoid loosening.

Preferably, as shown in Figures 1-3, three steps 11 are arranged in a stepped manner on the upper surface of the base 1, each step 11 is provided with a conductive copper bar 2, and each step 11 is provided with a connection Bolt 3 and connecting nut 4.

That is, three steps 11 are arranged on the upper surface of the base 1, and the three steps 11 are arranged in a ladder shape, and a conductive copper bar 2 is arranged on the upper surface of each step 11, and a set of movable copper bars 2 is arranged inside each step 11. Disassemble the combined connecting bolt 3 and connecting nut 4 to realize two different cable connection methods. The arrangement of three steps and 11 steps ensures sufficient electrical clearance and creepage distance between different phases of the terminal block, and facilitates the access of more cables.

Preferably, as shown in FIGS. 1-5 , a protective cover 5 is provided on the bottom of the base 1 , and the protective cover 5 is fastened on the bottom of the base 1 . The protective cover 5 is provided with buckles 51 , and the buckles 51 of the protective cover 5 can be buckled on the bottom of the base 1 during installation. When the connecting bolt 3 needs to be disassembled, the protective cover 5 can be taken off first, so as to complete the operation. The protective cover 5 mainly plays an IP protection role, preventing personnel from running into conductive connecting bolts or connecting nuts with their bodies or conductive tools from behind during operation, so as to ensure personal safety.

According to needs, the above technical solutions can be combined to achieve the best technical effect.

Therefore, the fuse base terminal device provided by the utility model has a simple structure, is convenient and practical, can realize two different cable connection methods, meets different requirements, saves materials, and reduces costs.

What has been described above is only the principle and preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, several other modifications can be made on the basis of the principle of the utility model, which should also be regarded as the protection scope of the utility model.

Claims (8)

1. a fuse base connecting terminal apparatus, comprises base (1), is provided with at least one conducting copper (2) on described base (1),

It is characterized in that, in described base (1), be also provided with connecting bolt (3) and attaching nut (4) for being optionally connected with external cable,

The below that is positioned at described conducting copper (2) on described base (1) is provided with the groove (12) for described attaching nut (4) are installed, and described attaching nut (4) is arranged in described groove (12),

Described connecting bolt (3) passes described attaching nut (4) and described conducting copper (2) in turn from the below of described groove (12), and the top (33) of described connecting bolt (3) stretches out in the top of described conducting copper (2).

2. a kind of fuse base connecting terminal apparatus according to claim 1, is characterized in that, described connecting bolt (3) removably links together with described attaching nut (4).

3. a kind of fuse base connecting terminal apparatus according to claim 2, is characterized in that, the below that is positioned at described groove (12) in described base (1) is provided with the bolt mounting holes (13) connecting with described groove (12),

The bottom (31) of described connecting bolt (3) is positioned at described bolt mounting holes (13), and the main part (32) of described connecting bolt (3) is threaded togather with described attaching nut (4).

4. a kind of fuse base connecting terminal apparatus according to claim 3, is characterized in that, the below that is positioned at described bolt mounting holes (13) in described base (1) is provided with hollow space (14).

5. a kind of fuse base connecting terminal apparatus according to claim 2, is characterized in that, the nut connecting portion (42) that described attaching nut (4) comprises nut main body portion (41) and extends to form from described nut main body portion (41),

On described groove (12), be provided with recess supports portion (121), described nut connecting portion (42) is arranged in recess supports portion (121).

6. a kind of fuse base connecting terminal apparatus according to claim 2, is characterized in that, between described connecting bolt (3) and described attaching nut (4), is provided with spring washer (6).

7. a kind of fuse base connecting terminal apparatus according to claim 2, it is characterized in that, stepped three steps (11) that are arranged with on the upper surface of described base (1), on step described in each (11), be provided with a described conducting copper (2), in step described in each (11), be provided with described connecting bolt (3) and described attaching nut (4).

8. according to a kind of fuse base connecting terminal apparatus described in any one claim in claim 1-7; it is characterized in that; on the bottom of described base (1), be provided with over cap (5), described over cap (5) is fastened on the bottom of described base (1).