KR102236500B1 - Terminal block to prevent rainwater from entering - Google Patents

Abstract

The present invention relates to a terminal block capable of preventing rainwater inflow, which comprises: a top body having n partition walls (provided that the n is an integral number equal to or more than 2) spaced apart at certain intervals in the upper part and n-1 space portions formed between the partition walls; a bottom body having n-1 supports which prop each of the space portions in the top body, and a plurality of mounting bolt holes for connection with a panel of a distribution board; a mounting means for connecting and disconnecting the top body and the bottom body; n-1 terminals disposed in each of the space portions of the top body; (n-1)×2 square-type washers pressurizing and fixing input electrical wires and output electrical wires by means of (n-1)×2 bolts passing through the terminals to be fastened to each support of the bottom body such that the input electrical wires and the output electrical wires are electrically connected through each of the terminals, wherein the input electrical wires and the output electrical wires are disposed, respectively, at the front side and the rear side of the upper surface in each terminal; and a pair of skirts extending externally along the front and rear end portions of the top body and interconnected with the bottom body by means of the mounting means, which are formed so as to be separated from a panel when the bottom body is installed to come in contact with the panel of the distribution board, thereby blocking rainwater introduced into the distribution board from flowing into each of the space portions of the top body and each of the terminals disposed therein. Accordingly, accidents that could result from a short circuit or leakage can be prevented.

Description

Rainwater inflow prevention terminal block{TERMINAL BLOCK TO PREVENT RAINWATER FROM ENTERING}

The present invention relates to a terminal block mounted on a switchboard panel to electrically connect an input-side wire and an output-side wire to each other, and in particular, it is possible to prevent rainwater flowing into the switchboard panel from flowing into the terminal for wire connection. It is a technology related to the rainwater inflow prevention type terminal block.

The terminal block is largely composed of a main body forming a skeleton and a plurality of terminals installed in the main body. The terminal block serves to electrically connect wires connected to each terminal, and is used in a number of electrical equipment and products today.

As a technology for such a terminal block,

Republic of Korea Utility Model Registration No. 20-0447658 (registered on Feb. 2, 2010, hereinafter referred to as “document 1”) 『Terminal Block』 is presented.

Document 1 forms a skeleton, a first installation groove is formed to be concave on one side thereof, a terminal seating portion formed stepped on an outer wall surface in contact with the first installation groove is formed, and the terminal is seated in the first installation groove. An upper body through which an insertion slit is formed on a surface facing the part; A lower body that forms a skeleton together with the upper body, is coupled to a bottom surface of the upper body, and has a second installation groove formed in a concave surface on a surface in contact with the bottom surface of the upper body; A first terminal installed in the first installation groove and formed in a'U' shape to which an incoming line is connected; A second terminal installed in the second installation groove and formed in a'U' shape to which the lead-in line is connected; A connection terminal installed on one side of the first terminal, located in the terminal seating unit, and connected to a distribution line connected to the switchboard; And a set screw installed on the first and second terminals to press-fix the lead wire, and the connection terminal is formed in a plate shape, and is provided at a position in contact with the terminal seat at the first terminal. A first connection terminal through which a coupling hole through which a fixing bolt for fixing a distribution line is coupled is formed; It is formed in a plate shape having a length shorter than that of the first connection terminal, is formed at a position spaced apart from the first connection terminal in the first terminal, and is formed through a coupling hole through which a fixing bolt for fixing a distribution line is coupled. A second connection terminal; By including a connection part coupled to one end of the first and second connection terminals to connect the first and second connection terminals, and installed to be in contact with one side of the first terminal, the number of parts of the product is reduced. Product productivity is improved by reducing the production cost of the product and being able to assemble the product easily, and the product is universal because it can be used in a 380V 3-phase 4-wire power system as a number of second terminals are installed on the lower body. It is a technology related to a terminal block that can be used as a.

As another technology, Korean Patent Registration No. 10-1153392 (registered on May 30, 2012, hereinafter referred to as “document 2”) 『Assembly Type Fixed Terminal Block』 is proposed.

Document 2 discloses that coupling grooves are formed in the lower portions of both sides of one side of the main body injection-molded by one mold, and the coupling jaws are integrally protruded in the lower portions of both sides of the other side, and are coupled to one side of the main body. A fixed terminal block capable of assembling and installing the main body continuously as required by integrally protruding coupling jaws on both sides of the wall of the fixture, and integrally forming coupling grooves on both sides of the wall of the second fixture coupled to the other side of the main body. By providing, in a state in which the number of connection terminals is increased as necessary by continuously connecting the main body by one mold, the first and second fixing bars are respectively connected to both sides of the main body to which a plurality of main bodies are combined. Regarding the assembly type fixed terminal block that can be easily fixed to the panel of the switchboard through the fastening holes formed in the first and second fixing tables, so that installation is very simple, and can reduce manufacturing costs, as well as improve product price competitiveness and increase productivity. It's technology.

Documents 1 and 2 have a structure in which the terminal side is inevitably exposed to rain when rainwater flows in, and there is a problem that may lead to a fire or personal accident due to a short circuit or a short circuit. As a technology for solving this,

Republic of Korea Patent Registration No. 10-1801080 (registered on November 20, 2017, hereinafter referred to as “document 3”) 『Waterproof terminal block for preventing inundation electric shock』 is proposed.

Document 3 is an electrical junction box formed in a form of a detachable enclosure and having an input terminal block mounting hole and two or more output terminal block mounting holes formed on two opposite surfaces, respectively; An electrical wiring input terminal block coupled to the input terminal block mounting hole; An electrical wiring output terminal block coupled to the output terminal block mounting hole; And an electric wiring cable connecting between the electric wiring input terminal block and the electric wiring output terminal block, wherein the electric wiring input terminal block and the electric wiring output terminal material include a support protrusion to securely and airtightly fix the electric wire, and the support protrusion By including a finishing part that is detachably fastened to the support protrusion to fix the outer circumference of the wire by pressing it, multiple connections are possible in the electrical junction box, and the wire can be protected from external shocks while maintaining the connected state of the wire. It is a technology related to a waterproof terminal block for preventing flooding and electric shock, which can maintain excellent airtightness and increase waterproof performance.

Document 1. Korean Utility Model Registration No. 20-0447658 (2010.02.02.Registration) Document 2. Korean Patent Registration No. 10-1153392 (registered on May 30, 2012) Document 3. Korean Patent Registration No. 10-1801080 (registered on November 20, 2017)

An object of the present invention is to provide a rainwater inflow prevention type terminal block in which a skirt is formed on the front and rear surfaces of a bottom body forming a terminal block so that rainwater can be prevented from flowing into the terminal through the skirt.

Furthermore, the present invention implements the structure of the terminal in a └┘ cross-sectional shape so that the wires placed on the terminal are pressurized and fixed while the wires are not separated and stably pressurized when tightening the bolts for the washer that can be electrically connected by the terminal. Its purpose is to provide a terminal block that prevents rainwater inflow.

In addition, the present invention is implemented in a bottom body structure that can be coupled to each of a 10-foot top body capable of connecting 10 input-side wires and a 15-foot top body capable of connecting 15 input-side wires, based on the input-side wires. It is possible to separate and remove some of the components of the bottom body that are exposed when combined, and it is possible to connect each pair of top bodies while being mounted on the bottom body, making it easy to change the quantity and structure of the rainwater inflow prevention terminal block. Its purpose is to provide.

In order to solve the above problems, the rainwater inflow prevention terminal block according to the present invention,

A top body having n (where n is an integer of 2 or more) partitions erected to be arranged at a predetermined interval on the top and n-1 spaces formed between the partitions;

A bottom body having n-1 supports for supporting each space portion of the top body and a plurality of mounting bolt holes for coupling with the distribution board panel;

Mounting means for mutual coupling and separation between the top and bottom bodies;

N-1 terminals disposed in each space of the top body;

In a state in which the input-side wire and the output-side wire are arranged on the front and rear sides of the upper surface of each terminal, the (n-1)×2 bolts are fastened to each support of the bottom body through each terminal. (N-1)×2 square washers to electrically connect the input-side wire and the output-side wire by the terminal by pressing and fixing each wire; And

When the bottom body extends outward along the front and rear ends of the top body and is mutually coupled to the bottom body by the mounting means, the bottom body is formed to be spaced apart from the panel when it is installed to contact the panel of the switchboard, thereby flowing into the switchboard. A pair of skirts blocking rainwater from flowing into each space portion of the top body and each terminal disposed therein;

It characterized in that it is made of.

Rainwater inflow prevention terminal block according to the present invention,

It has the greatest effect of preventing accidents that may occur due to short circuit or electric leakage function by preventing the inflow of rainwater from the terminal block installed on the switchboard panel to the terminal side of the terminal block.

In addition, there is an effect of improving the terminal structure to prevent separation of the wire when the wire is pressurized by the washer, and to stably press and fix the wire.

In addition, by implementing various coupling structures between the top and bottom bodies, there is an effect of enhancing the convenience of use and work efficiency.

1 is an exploded three-dimensional configuration diagram showing a rainwater inflow prevention terminal block of a first embodiment according to the present invention,
Figure 2 is a three-dimensional combination of Figure 1,
FIG. 3 is a schematic view of a combined plane of FIG.
4 is an exploded front configuration diagram of FIG. 1;
5 is a configuration diagram of an installation state for showing a state in which a terminal block is installed on the switchboard panel;
6 is a front configuration diagram showing that a part of the bottom body is separated from the rainwater inflow prevention terminal block of the first embodiment according to the present invention;
7 is a front configuration diagram showing a coupling structure between a top and a bottom body in the rainwater inflow prevention terminal block of the second embodiment according to the present invention;
8 is a front configuration diagram showing a coupling structure between a top and a bottom body in the rainwater inflow prevention terminal block of the third embodiment according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms or words used in the specification and claims should not be construed as being limited to their usual or dictionary meanings, and the inventors appropriately explain the concept of terms in order to explain their own invention in the best way. Based on the principle that it can be defined, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all the technical spirit of the present invention, and various equivalents that can replace them at the time of the present application It should be understood that there may be water and variations.

Based on FIG. 1, the direction is specified as the top body side as the upper or upper side, and the bottom body side as the lower or lower side, and the support side of the bottom body is designated as the right or right side, and the extension support side based on FIG. The direction is specified as the left part or the left side, and based on FIG. 5, the upper or upper skirt side of the pair of skirts is designated as the upper or upper side, and the skirt side located at the lower side is designated as the lower or lower side. .

1 to 8, the rainwater inflow prevention terminal block according to the present invention,

It is largely composed of a top body 10, a bottom body 20, a mounting means 30, a terminal 40, a washer 50, and a skirt 60.

Looking at each configuration,

Top body (10)

1 to 4,

N (where n is an integer of 2 or more) erected to be arranged at regular intervals at the top, and

N-1 spaces 12 formed between each of the partition walls 11

It consists of a long square structure to the left and right including a.

In this case, when each of the partition walls 11 is 11, that is, when n is 11, 10 spaces 12 will be formed between the 11 partition walls 11 and the partition walls 11.

In addition, the top body 10 is further formed with a partition wall 16 in a form crossing the middle portion of each partition wall 11, and a hole through which a part of the terminal 40 passes is formed in the partition wall 16. It is preferably formed.

The bottom body (20)

1 to 4,

N-1 supports 21 that support each space 12 of the top body 10, and

Multiple mounting bolt holes (22) for coupling with the distribution board panel (1)

It consists of a long square structure to the left and right including a.

In this case, as shown in FIG. 3, each of the supports 21 may be formed of two powder structures divided back and forth with respect to the partition wall 16.

And, as shown in Figure 3, each of the mounting bolt hole 22 is provided with a pair of each on the front left and rear right of the bottom body 20, accordingly, the top body 10 also has a front left and rear right. Bolt holes may be formed.

And as shown in Figure 5, the bottom body 20 is formed with a drainage passage 25 formed to be concave along the lower circumference of the bottom body 20, the rainwater flowing into the switchboard panel 1 descends through the panel 1 Even if it accumulates on the circumferential surface of the bottom body 20, it flows down along the drainage passage 25, thereby preventing rainwater from accumulating or overflowing toward the top body 10 as much as possible.

Mounting means 30

1 to 4,

For mutual coupling and separation between the top and bottom bodies 10 and 20,

First and second plates 31 and 32 formed on the left and right ends of the top body 10,

Fastening holes 33 formed to be vertically penetrated through each of the plates 31 and 32,

A corresponding fastening hole 34 formed at a position corresponding to the fastening hole 33 in the bottom body 20, and

Body bolt 35 that passes through the fastening hole 33 and is fastened to the corresponding fastening hole 34

It is made including.

Eventually, when the body bolt 35 is fastened, the top and bottom bodies 10 and 20 are mutually coupled, and when the body bolt 35 is released, the top and bottom bodies 10 and 20 are mutually coupled. Released and separated from each other.

And, as shown in Figure 4, the first plate 31 is further formed with a vertical portion 311 bent downward from the end thereof to extend, the vertical portion 311 is inserted into the upper surface of the bottom body 20 The bottom body 20 is disposed in a form surrounding the support 21 located at the leftmost of the supports 21 of the bottom body 20. It is possible to prevent foreign substances and the like from flowing into the top and bottom bodies 10 and 20 through the vertical part 311.

Terminal 40 is

As shown in Figure 4,

To be disposed in each space 12 of the top body 10,

A plate-shaped base 41 occupying the space 11 of the top body 10, and

A pair of fences 42 standing on both left and right ends of the base 41 and surrounding the left and right ends of the washer 50 disposed on the upper surface of the base 41

It is made including.

At this time, the terminal 40 is made of a material such as metal capable of energizing.

As shown in FIG. 4, the terminal 40 has a cross-sectional shape of └┘, so that the wires are separated from the terminal 40 due to the pressure of the washer 50 descending by tightening the bolt (B). It can be prevented as much as possible. In other words, as the wires that are about to be released by the pressure of the washer 50 are supported by the respective fences 42, they are not separated from the outside and can be stably pressed and fixed between the base 41 and the washer 50. There is.

Washer (50)

As shown in Figure 4,

In a state in which input-side wires and output-side wires are disposed on each of the front and rear sides of the upper surface of each terminal 40, passing through each of the terminals 40, it is fastened to each support 21 of the bottom body 20. By pressing and fixing each of the electric wires by (n-1)×2 bolts (B), there are (n-1)×2 pieces that allow the input-side electric wire and the output-side electric wire to be electrically connected by the terminal 40. It is equipped.

At this time, the washer 50 is a rectangular plate-shaped structure, which is adjacent to each other when the washer 50 disposed in the space portion 12 formed between the partition wall 11 and the partition wall 11 is tightened with the bolt (B). This is to ensure that the left and right ends are supported on one of the two partition walls 11. The washer 50 supported in this way is stably moved up and down according to the operation of the bolt (B) without being wasted even when the bolt (B) is tightened.

Skirt 60

1 to 5,

The bottom body 20 is in contact with the panel 1 of the switchboard in a state that extends outward along the front and rear ends of the top body 10 and is mutually coupled with the bottom body 20 by the mounting means 30. When installed so as to be spaced apart from the panel 1, rainwater flowing into the switchboard does not flow into each space 12 of the top body 10 and each of the terminals 40 disposed therein. A pair is provided so as to prevent it from being blocked.

Eventually, as shown in FIG. 5, even if rainwater introduced to the panel 1 side of the switchboard flows down and accumulates or overflows in the bottom body 20, overflow by the skirt 60 can be prevented. There is.

In addition, each skirt 60 is further formed with an auxiliary skirt 61 extending forward and backward, but inclined downward, thereby delaying the point of overflow or increasing the overflow height to further increase the space portion 12 and each terminal. Inflow of rainwater to the (40) side can be prevented as much as possible.

On the other hand, the rainwater inflow prevention terminal block of the first embodiment according to the present invention

As shown in FIGS. 1 to 4, n is 11, and 10 extension supports 23 are further formed on the bottom body 20 to be arranged in succession with the support 21, and the bottom body 20 ), the lower surface area of the bottom body 20 corresponding to the outer end of the first extension support 23 adjacent to the support 21 among the 10 extension supports 23 in the state where the top body 10 is seated A V-shaped bottom notch 24 is formed in the front and rear,

As shown in FIG. 6, as the bottom body 20 is cut along the bottom notch 24, a portion after the first cut-out extension support 23 is separated.

On the other hand, the rainwater inflow prevention terminal block of the second embodiment according to the present invention

Wherein n is 11, the bottom body 20 further includes 10 extension supports 23 so as to be arranged in series with the support 21,

As shown in [A] of FIG. 7, a V-shaped top notch 13 is formed in the connection area between the left end of the top body 10 and the first plate 31, and the top body 10 When the pair is provided, the first plate 31 is separated along the top notch 13,

As shown in [B] of FIG. 7, a pair of top bodies 10 in which the first plate 31 is separated along the top notch 13 are It is seated on the bottom body 20 while facing each other.

In this case, in the first and second embodiments, it is preferable that the mounting bolt hole 22 is further formed in the extended portion of the bottom body 20 in which 10 extension supports 23 are further formed.

In addition, the corresponding fastening hole 34 of the mounting means 30 is also a fastening hole 33 formed in the pair of top bodies 10 while the pair of top bodies 10 are seated on the bottom body 20. ) It is preferable that it is further formed in a position corresponding to each other.

On the other hand, the rainwater inflow prevention terminal block of the third embodiment according to the present invention

Wherein n is 11, the bottom body 20 further includes 10 extension supports 23 so as to be arranged in series with the support 21,

As shown in [A] of FIG. 8, the top body 10 further includes five extension partitions 14 and five extension spaces 15 so that the partition 11 and the space 12 are arranged in succession. Is formed, and in a state in which the top body 10 is seated on the bottom body 20, the sixth extension support 23 corresponding to the outer end of the sixth extension support 23 in the order adjacent to the support 21 among the ten extension supports 23 A V-shaped bottom notch 24 is formed back and forth in the lower surface area of the bottom body 20,

As shown in [B] of FIG. 8, as the bottom body 20 is cut along the bottom notch 24, the portion after the sixth extension support 23 is separated.

At this time, the bottom body 20 has a position corresponding to the fastening hole 33 in accordance with the fastening hole 33 formed in the first plate 31 of the top body 10 having 15 spaces 12 It is preferable that the corresponding fastening hole 34 is further formed.

In the above description of the present invention, a "excellent inflow prevention terminal block" having a specific shape and structure has been mainly described with reference to the accompanying drawings, but the present invention can be variously modified and changed by those skilled in the art, and such modifications and changes are It should be construed as belonging to the protection scope of the present invention.

1: Distribution board panel
B: bolt
10: Top body
11: bulkhead
12: space part
13: Top notch
14: extension bulkhead
15: extension space
16: partition wall
20: bottom body
21: support
22: mounting bolt hole
23: Extended support
24: bottom notch
25: drainage
30: mounting means
31: first plate
311: vertical part
32: second plate
33: fastening hole
34: Response signing work
35: body bolt
40: terminal
41: base
42: fence
50: washer
60: skirt
61: secondary skirt

Claims (7)

A top body having n (where n is an integer greater than or equal to 2) partitions 11 that are erected to be arranged at regular intervals at the top and n-1 spaces 12 formed between each of the partitions 11 (10);
The bottom body 20 having n-1 supports 21 supporting each space 12 of the top body 10 and a plurality of mounting bolt holes 22 for coupling with the distribution panel 1 );
Mounting means (30) for mutual coupling and separation between the top and bottom bodies (10, 20);
N-1 terminals 40 disposed in each space 12 of the top body 10;
In a state in which input-side wires and output-side wires are disposed on each of the front and rear sides of the upper surface of each terminal 40, passing through each of the terminals 40 and fastened to each support 21 of the bottom body 20 By pressing and fixing each of the wires by (n-1) × 2 bolts (B), the input-side wire and the output-side wire are electrically connected by the terminal 40 (n-1) × 2 Square washer 50; And
The bottom body 20 is in contact with the panel 1 of the switchboard in a state that extends outward along the front and rear ends of the top body 10 and is mutually coupled with the bottom body 20 by the mounting means 30. When installed so as to be spaced apart from the panel 1, rainwater flowing into the switchboard does not flow into each space 12 of the top body 10 and each of the terminals 40 disposed therein. A pair of skirts 60 to block;
Is made of,
The terminal 40 has a plate-shaped base 41 that occupies the space 11 of the top body 10, and is placed on the left and right ends of the base 41 and disposed on the upper surface of the base 41. Rainwater inflow prevention type terminal block, characterized in that consisting of a pair of fences (42) surrounding the left and right ends of the washer (50).
delete The method of claim 1,
The mounting means 30 includes first and second plates 31 and 32 formed at the left and right ends of the top body 10, and fastening holes 33 formed to penetrate vertically through each of the plates 31 and 32. ), and a corresponding fastening hole 34 formed at a position corresponding to the fastening hole 33 in the bottom body 20, and a body fastened to the corresponding fastening hole 34 through the fastening hole 33 Rainwater inflow prevention type terminal block, characterized in that consisting of bolts (35).
The method of claim 3,
N is 11,
The bottom body 20 is further formed with 10 extension supports 23 so as to be arranged in succession with the support 21,
The bottom body 20 corresponding to the outer end of the first extension support 23 adjacent to the support 21 among the 10 extension supports 23 in a state in which the top body 10 is seated on the bottom body 20 A V-shaped bottom notch 24 is formed back and forth in the lower surface area of ),
As the bottom body 20 is cut along the bottom notch 24, a portion of the bottom body 20 after the first cut-out extension support 23 is separated.
The method of claim 3,
N is 11,
The bottom body 20 is further formed with 10 extension supports 23 so as to be arranged in succession with the support 21,
A V-shaped top notch 13 is formed in the connection area between the left end of the top body 10 and the first plate 31,
A pair of top bodies 10 in which the first plate 31 is separated along the top notch 13 in a state in which the top body 10 is provided with a pair is separated from the first plate 31 Rainwater inflow prevention type terminal block, characterized in that seated on the bottom body 20 while facing each other at the ends.
The method of claim 3,
N is 11,
The bottom body 20 is further formed with 10 extension supports 23 so as to be arranged in succession with the support 21,
The top body 10 further includes five extended partition walls 14 and five extended space portions 15 so that the partition walls 11 and the space portions 12 are arranged in succession,
The bottom body corresponding to the outer end of the sixth extension support 23 in the order adjacent to the support 21 among 10 extension supports 23 in a state in which the top body 10 is seated on the bottom body 20 A V-shaped bottom notch 24 is formed back and forth in the lower surface area of (20),
The bottom body 20 is a rainwater inflow prevention type terminal block, characterized in that the portion after the sixth extension support (23) cut off as it is cut along the bottom notch (24).
The method according to any one of claims 1 or 3 or 4 or 5 or 6,
Each of the skirts 60 is further formed with an auxiliary skirt 61 extending forward and backward, but inclined downward,
Rainwater inflow prevention type terminal block, characterized in that the bottom body (20) is formed with a drainage passage (25) formed to be concave along the lower circumference of the bottom body (20).

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