KR100332489B1 - A terminal block - Google Patents

Abstract

The present invention relates to a terminal block, and more particularly, to a terminal block installed in a terminal box of a building and connecting a trunk line and connecting the trunk line and a subscriber line. A terminal block having terminal pins to which a core wire of a wire is connected has a terminal pin having an input / output connection portion, an inner space, a terminal pin is installed in the inner space, and mounted at a portion corresponding to the input / output connection portion of the terminal pin. A body in which holes are formed, a holder for connecting / disconnecting a plurality of electric wires to / from a connection portion of each terminal pin, and a base covering an open side of the body so that the terminal pins do not fall out of the internal space; And a fixing block detachably coupled to the base and fixed by screws for successively installing the terminal block and where the terminal block is to be installed.

Description

Terminal Blocks {A TERMINAL BLOCK}

The present invention relates to a terminal block, and more particularly, to a terminal block that is installed in the terminal box of the building to connect the trunk line and the trunk line and the subscriber line.

In general, telephone terminal blocks are installed in building terminal boxes of buildings and apartments. This terminal block is for electrically connecting a plurality of trunk lines and stations. Conventionally, the terminal pin which improves the inconvenience, such as the covering removal of an electric wire, is installed and used.

As shown in FIG. 10, the conventional terminal block 200 is provided with a plurality of blocks 210 on an upper surface of the frame 202. The block 210 is provided with a plurality of terminal pins 220.

The wire binding in the conventional terminal block is as follows. First, the wires 80 are placed on the grooves 212 of the block 210. Then, using a sharp tool such as a flat head screwdriver 290, the wire 80 is forcibly pushed into the ground groove 222 one at a time. Then, the covering of the wire is peeled off and the core wire of the wire is connected to the terminal pin 220.

However, the conventional terminal block 200 has the following problems.

First, there is an inconvenience of using a tool for wiring work. Second, breakage and damage of the block by the tool occurs when using the tool. Third, wiring workability is very poor because wires must be wired one by one. Fourth, conventionally, not only the most rudimentary test for checking the connection of the wires after the wire binding operation was performed, but only one terminal pin was tested at a time, which was very inefficient.

The present invention is to solve such a problem, the purpose is to bind a plurality of wires to the terminal pins at a time without using a separate tool, a configuration capable of confirming the binding state of a plurality of wires in one operation It is to provide a new type of terminal block having a.

1A and 1B are exploded perspective and exploded cross-sectional views of a terminal block according to an embodiment of the present invention;

2a and 2b show a process in which a fixing block is coupled to a base;

3A and 3B are views illustrating a process of sequentially installing terminal blocks using fixing blocks;

4 shows a terminal block installed in a terminal box;

5a to 6 are views for explaining a process that the wire is bound to the terminal pin;

7A and 7B are views for explaining a process of disconnecting wires from terminal pins;

8 to 9B are views for explaining a testing process of wires bound to a terminal block;

10 is a view showing a conventional terminal block.

Explanation of symbols on the main parts of the drawings

100: body 112: internal space

114: mounting hole 114a: slot

116: through hole 118: diaphragm

120: terminal pin 122: horizontal rod

126: test socket 130: holder

132: handle portion 134: lugs

136: slot 138: hook

140: base 142: diaphragm groove

144: mounting space 146: guide

148: aligner 150: fixed block

152: fixing protrusion 154: screw hole for product attachment

156: guide hole 160: cable

162: modular jack 164: plug

166: test pin 170: tester

According to a feature of the present invention for achieving the above object, in a terminal block having terminal pins to which the core wires of the wires are connected when the wires are inserted into the grooves of the connection parts, the terminal pins having the input / output connections and ; A body having an inner space, the terminal pin being installed in the inner space, and having mounting holes formed in a portion corresponding to the input / output connecting portion of the terminal pin; A holder for connecting / disconnecting a plurality of electric wires to / from a connection of each terminal pin; A base covering an open surface of the body so that the terminal pins do not fall out of the internal space; And a fixing block detachably coupled to the base and fixed by screws for successively installing the terminal block and for installing the terminal block.

In the present invention as described above, the terminal block further comprises a test socket formed on a horizontal strip, in order to test the presence or absence of connection and transmission speed for the wire after completion of wiring of the wires; The body further includes a through hole leading to an inner space in which the test socket is located on an upper surface thereof, and a modular jack connected to a tester is connected at one end thereof, and at least two plugs inserted into the test socket through the through hole at the other end thereof. It may further include a plug having the above ground pins.

In the present invention as described above, the terminal pin and the horizontal rod having both ends; An input connecting portion extending vertically from an end of the horizontal rod at a predetermined angle; It may include an output connecting portion formed to extend vertically in a state inclined at an angle symmetrical with the input connecting portion from the other end of the horizontal rod.

In the present invention as described above, the holder and the hand holding; And a pair of lugs formed extending from the handle portion. Here, the pair of lugs may include a slot into which the wire placed on the mounting hole is inserted, and a hook formed to correspond to the slot so that the wire inserted into the slot does not easily fall out.

In the present invention as described above, the base includes a space in which the terminal block is inserted on both sides, and guides formed on both inner surfaces of the space, and the fixing block includes a guide groove corresponding to the guide and a space in which the guide block is inserted. Projections that are caught on an inner surface of the space so as not to fall easily; It includes a screw hole into which a screw for fixing is inserted. And the body is formed with a diaphragm for isolating the terminal pins in the inner space.

In the present invention as described above, the base is a groove into which the diaphragm formed in the inner space of the body formed on the upper surface; It may further include an aligner for neat pretreatment of the wires connected to the terminal pins formed on the side.

Hereinafter, an embodiment of the present invention will be described in more detail with reference to FIGS. 1 to 9B. In the drawings, the same reference numerals are given to components that perform the same function.

1A and 1B are exploded perspective and exploded cross-sectional views of a terminal block according to an exemplary embodiment of the present invention. 2A and 2B are views illustrating a process in which a fixing block is coupled to a base. 3A and 3B are diagrams illustrating a process of sequentially installing terminal blocks using fixing blocks. 4 is a view illustrating a terminal block installed in a terminal box.

1A and 1B, the terminal block 100 according to the present embodiment includes a body 110, terminal pins 120, a holder 130, a fixing block 150, and a base 140 for eight lines. Is made of.

The body 110 has 16 pairs of mounting holes 114 formed in the same direction at regular intervals corresponding to each other with the internal space 112, and the front and rear surfaces of the mounting holes are slots in which the wires are located when the wires are tied ( 114a) is formed. And the bottom of the body 110 is open. Through-holes 116 are formed in the center of the upper surface of the body 110 to the internal space 112. In addition, a diaphragm 118 is formed in the inner space 112 of the body 110 to insulate the terminal pins 120 (see FIG. 1B).

The terminal pins 120 are installed at a predetermined interval within the internal space 112 of the body 110, and the input / output connecting portions 124a and 124b are located on mounting holes 114 corresponding to each other. The terminal pin 120 is a quick clip type and includes a horizontal rod 122, a test socket 126, an input connector 124a, and an output connector 124b. The input / output connecting portions 124a and 124b are provided with grooves 128 having a pair of inclined blade surfaces, so that when an electric wire 80 (usually a UTP cable is used) is inserted into the grooves 128, Is peeled off automatically, and the core wire of the electric wire 80 is connected to the input / output connecting portions 124a and 124b. Here, the part to which the input side electric wire (for example, trunk line) is connected becomes the input connection part 124a, and the part to which the output side electric wire (for example, internal line) is connected becomes the output connection part 124b. On the other hand, the input / output connection portion has a structural feature formed to extend vertically in a state in which the predetermined angle (within 20 ~ 25 degrees) from both ends of the horizontal rod 122, respectively. This is to lower the contact resistance of the terminal pin 120 and the wire 80 as one of the obstacles of the transmission speed when the wire is connected.

The holder 130 has a structure capable of connecting / disconnecting eight wires to / from the connecting portions 124a and 124b of each terminal pin 120 at a time, and the holder 130 is easy for a worker to hold. It has a handle portion 132 and eight lugs 134 formed extending from the handle portion 132. The lug 134 is formed with a slot 136 and a hook 138. The hook 138 is formed to correspond to the slot 136. When the eight lugs 134 are respectively inserted into the corresponding mounting holes 114, the electric wires 80 first inserted into the mounting holes 114 are inserted into the slots 136 of the lugs 134. do. A connection / disconnection process of the wires 80 by the holder 130 will be described in detail with reference to FIGS. 5A to 7B next.

As such, the terminal block 100 binds (connects) eight wires (which can be changed according to the number of the lugs) to the corresponding connecting portions 124a and 124b at one time by using the holder 130. It has a structural feature that enables multiple wiring operations that can be removed (removed).

The base 140 covers the open bottom of the body 110 to support the terminal pins 120 from being separated from the internal space 112. Diaphragm grooves 142 are formed on an upper surface of the base 140. When the base 140 is mounted on the bottom surface of the body 110, the diaphragm 118 is fitted into the diaphragm groove 142. Sides of the base 140 are formed with protrusions 149 for firm coupling with the body 110, and the body 110 is provided with holes 119 into which the protrusions 149 are fitted. Meanwhile, the base 140 includes a mounting space 144 into which a portion of the fixing block 150 is inserted, a guide 146, and aligners 148. The aligners 148 protrude from both sides of the base 140 at regular intervals. On the other hand, as shown in FIG. 8, the aligners 148 are positioned by placing the wires 80 between the aligners 148 when the wires 80 are bound to the terminal block 100. ) Can be arranged concisely and neatly. Accordingly, the terminal block 100 can eliminate the complexity of the wiring work, and the maintenance thereof is very easy later.

On the other hand, the guide 146 is formed on both inner surfaces of the mounting space 144. The guide 146 is for guiding the insertion of the fixing block 150 into the mounting space 144 (see FIGS. 2A and 2B). Both sides of the fixing block 150 correspond to the guide 146. Of course, the guide groove 156 is formed.

The fixing block 150 is detachably coupled to the mounting space 144 of the base 140. To this end, fixing protrusions 152 are formed on an upper surface of the fixing block 150. When the fixing block 150 is inserted into the mounting space 144, the fixing protrusions 152 may be fixed without being easily pulled out by being caught by the inner surface 144a of the mounting space 144.

In addition, the fixing block 150 is a screw hole for mounting the product is inserted into the screw 190 for fixing so that the terminal block 100 is fixed to the terminal box 180 by the screw 190 (see Fig. 4). 154 is formed. In addition, the fixing block 150, as shown in Figures 3a and 3b, can be used very easily when you want to install the terminal block 100 in a row. As such, when the fixing block 150 is used, the installation space can be reduced as much as possible when the terminal blocks 100 are connected in series.

The terminal block 100 is fixedly installed in the terminal box 180 (shown in FIG. 5) by a fastening member such as a screw. The screw 190 is fastened on the boss 182 of the terminal box 180 through the product mounting screw hole 154 of the fixing block 150.

As shown in FIG. 8, the terminal block 100 has a horizontal strip 122 formed on the terminal pin 120 in order to test whether the wires 80 are connected and whether or not the transmission speed thereof is completed. The test socket 126 is formed in the body 110, and the through hole 116 is formed on the upper surface of the body 110 to the internal space 112 in which the test socket 126 is located. And the modular jack 162 connected to the tester 170 is connected to one end, the plug is provided with eight test pins 166 are connected to each test socket 126 through successive eight through holes 116 ( 164 with cable 160. 9A and 9B illustrate a testing process.

As such, the terminal block 100 simply inserts the test pins 166 of the plug 164 of the cable 160 connected to the tester 170 into the through holes 116 of the body 110. The connection state and transmission speed of the wires 80 connected to the eight terminal pins 120 may be checked on the display unit 170.

In the present embodiment, the terminal block 100 for 8 lines (for 8P) has been described as an example, but the terminal block can be applied to all terminal blocks such as 4 lines and 16 lines.

The wiring work in the terminal block according to the embodiment of the present invention is performed as follows. 5A to 6 sequentially show the binding process of the wires. First, the wires 80 are first inserted into the slots 114a on the mounting holes 114 of the body 110. Other wires 80 to be tied are also first inserted into the slot 114a of the mounting hole 1114 in the same manner as described above (see FIG. 5A). The lugs 134 of the holder 130 are mounted. After fitting the holes 114 and pushing them in, the front and rear portions of the wires 80 placed on the slots 114a of the mounting holes 114 are inserted into the slots 136 of the lugs 134, and then pressed, and the mounting holes ( 114 is inserted into the input / output connecting portions 124a and 124b of the terminal pin 120 located therein. (See FIGS. 5B and 6) In this case, the wire 80 is formed by a pair of inclined blade surfaces. The terminal block 100 is connected to the connection portions 124a / 124b at a time by the holder 130 by the holder 130. As shown in FIG. 4C and FIG. By binding to the wire, the wiring work is made very fast. For example, it can be easily understood that other wires 80 to be connected to the terminal pins 120 are simply connected to the connecting portions 124a and 124b by the above-described method, and thus description thereof will be omitted. .

On the other hand, the separation of the wire bound to the connecting portion of the terminal pin 120 is as follows. As shown in FIGS. 7A and 7B, when the holder 130 is pulled up, an electric wire 80 connected to the connecting portions 124a and 124b of the terminal pin 120 is caught by the hook 138 and pulled up. As it is raised, it is separated from the connection parts 124a and 124b.

As such, the terminal block 100 according to the present invention is capable of binding or separating four lines (eight wires) to / from the connection portion of the terminal pins 120 corresponding thereto at the time of wiring work. In addition, it has a structural feature that can test the presence and transmission speed of the binding of the four lines that are bound to the connection of the terminal pins 120 at a time.

In the present embodiment, the terminal block in which the terminal pins are arranged in one row has been described as an example, but the terminal block may be arranged in two, three or more rows, and the terminal pins may be arranged in respective connection portions. It should be noted that the holders that make up the.

In the above, the configuration and operation of the terminal block according to the present invention is shown in accordance with the above description and drawings, but this is merely an example, and various changes and modifications are possible without departing from the technical spirit of the present invention. to be.

Applying the present invention as described above has the following effects.

First, wiring is very easy because no separate binding tool is required.

Second, when the holder is pressed, eight wires are connected to the terminal pins, and when the holder is pulled out, the eight wires are simply separated from the terminal pins, so that the operation is simple and multiple wiring operations can be performed at once.

Third, uniform connection can be made regardless of the worker's work ability, and the contact resistance between the wire and the terminal pin can be lowered, thereby improving the transmission speed.

Fourth, it is possible to test the presence and transmission speed of the four wires connected to the connection of the terminal pins at the same time after connecting the wires.

Claims (7)

In a terminal block having terminal pins to which the core of the wire is connected as the wire is peeled off when the wire is fitted into the groove of the connection: A terminal pin having an input / output connection portion; A body having an inner space, the terminal pin being installed in the inner space, and having mounting holes formed in a portion corresponding to the input / output connecting portion of the terminal pin; A holder for connecting / disconnecting a plurality of electric wires to / from a connection of each terminal pin; A base covering an open surface of the body so that the terminal pins do not fall out of the internal space; And a fixing block detachably coupled to the base, the fixing block being fixed to the terminal for successively installing the terminal block and fixed by a screw to the terminal block. The method of claim 1; The terminal block after the completion of the wiring of the wires, in order to test whether the connection to the wire and the transmission speed, The terminal pin further comprises a test socket formed on a horizontal band; The body further includes a through hole leading to an internal space in which the test socket is located on the upper surface, One end is connected to a modular jack connected to the tester, and the other end further comprises a plug having at least two test pins inserted into the test socket through the through-hole, connecting to at least two wires at a time Terminal block, characterized in that the presence and the transmission speed can be confirmed. The method of claim 1 The terminal pin has a horizontal rod having both ends; An input connecting portion extending vertically from an end of the horizontal rod at a predetermined angle; And an output contact portion formed to extend vertically from the other end of the horizontal rod at an angle symmetrical with the input connection portion; The method of claim 1 The holder is a hand holding portion; A pair of lugs formed extending from the handle portion; The pair of lugs includes a slot into which an electric wire placed on the mounting hole is inserted, and a hook formed to correspond to the slot so that the electric wire inserted into the slot does not easily fall out, so that when the holder is lifted, And a wire bound to the connection portion is hooked up by the hook. The method of claim 1, The base includes a space in which the terminal block is inserted on both sides, and guides formed on both inner surfaces of the space, The fixing block may include a guide groove corresponding to the guide, and a protrusion caught on an inner surface of the space so that the fixing block does not easily fall out when inserted into the space; And a screw hole into which a screw for fixing is inserted. The method of claim 2, The body is a terminal block, characterized in that the diaphragm is formed to isolate the terminal pins in the inner space. The method of claim 6, The base is a groove into which the diaphragm formed in the inner space of the body formed on the upper surface; The terminal block further comprises an aligner for neat preprocessing of the wires connected to the terminal pins formed on the side.