KR101728454B1 - Terminal block for electric wiring - Google Patents

Terminal block for electric wiring Download PDF

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Publication number
KR101728454B1
KR101728454B1 KR1020150105109A KR20150105109A KR101728454B1 KR 101728454 B1 KR101728454 B1 KR 101728454B1 KR 1020150105109 A KR1020150105109 A KR 1020150105109A KR 20150105109 A KR20150105109 A KR 20150105109A KR 101728454 B1 KR101728454 B1 KR 101728454B1
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KR
South Korea
Prior art keywords
screw
terminal
bus bar
fastened
screw hole
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KR1020150105109A
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Korean (ko)
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KR20170011811A (en
Inventor
홍순용
김장영
Original Assignee
홍순용
김장영
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Priority to KR1020150105109A priority Critical patent/KR101728454B1/en
Publication of KR20170011811A publication Critical patent/KR20170011811A/en
Application granted granted Critical
Publication of KR101728454B1 publication Critical patent/KR101728454B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/304—Clamped connections, spring connections utilising a screw or nut clamping member having means for improving contact

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

An embodiment of the present invention relates to a terminal block for an electric wiring, and a technical problem to be solved is to provide a low-cost terminal block for an electric wiring which is easy to connect without any end structure of the electric wire, and has improved bonding force and bonding force.
To this end, the present invention provides a bus bar having a plurality of first screw holes and a plurality of protrusions formed therein; A plurality of first terminal screws respectively fastened to the first screw holes; And a plurality of flat washers each of which is formed of a polygonal shape and which is pressed toward the bus bar by being fastened to the first terminal screw by being fastened to the first terminal screw and the projecting portion is bent from the booster bar, Wherein the terminal block is protruded from the bus bar to come in close contact with the bus bar.

Description

{TERMINAL BLOCK FOR ELECTRIC WIRING}

An embodiment of the present invention relates to an electric wiring terminal block.

Generally, the terminal block for electric wiring is widely used, and it is mounted on various machinery switchboards and control boxes as well as electric and electronic devices, and is connected to the tip of the electric wire to form the wiring.

 Among these electrical terminal blocks, a ground terminal block or a neutral wire terminal block is generally provided with a screw and a round washer on the copper bus bar, and a ground wire is connected between the screw and the bus bar A ground wire or a neutral wire can be connected to the terminal block by fastening the screw to the bus bar.

When the ground wire or the neutral wire having a crimp terminal whose tip is in the form of a "Y" or "O" shape is connected to the ground terminal block or the neutral wire terminal block as described above, the ground wire is not likely to be separated from the ground terminal block or the neutral wire terminal block , It is not easy to connect the wire through the fastening of the screw when connecting a common core wire having a straight tip, and there is a high possibility that the wire is disconnected from the ground terminal or the neutral wire terminal even if it is connected.

Open Utility Model No. 1999-0035154 (Sep. 1999, Jun. 1999) 'Terminal block washer's breakaway prevention device for terminal block for electric wiring' Open Patent Publication No. 2012-0045357 (2012.05.09.) 'Washer connection structure of power terminal' Patent Document No. 2008-0113471 (Dec. 31, 2008) 'Terminal structure with anti-loosening washer and bolt loosening function'

An embodiment of the present invention provides an inexpensive electric wiring terminal block which can be easily connected regardless of the front end structure of the electric wire, and has improved bonding force and bonding force.

The terminal block for electric wiring according to an embodiment of the present invention includes: a bus bar having a plurality of first screw holes and a plurality of protrusions; A plurality of first terminal screws respectively fastened to the first screw holes; And a plurality of flat washers each of which is formed of a polygonal shape and which is pressed toward the bus bar by being fastened to the first terminal screw by being fastened to the first terminal screw and the projecting portion is bent from the booster bar, As shown in FIG.

Further, the projecting portion may be formed by cutting a part of a side portion of the bus bar.

Further, the projection may be bent to extend from the side end of the bus bar.

In addition, at least one or more protrusions may be formed between the flat washers.

The bus bar may further include at least one second screw hole and a second terminal screw which is respectively fastened to the second screw hole, and the diameter of the second terminal screw is larger than the diameter of the first terminal screw Diameter.

According to another aspect of the present invention, there is provided an electric wiring terminal block comprising: a bus bar having a plurality of first screw holes and a plurality of second screw holes; A plurality of first terminal screws respectively fastened to the first screw holes; A plurality of flat washers each of which is inserted into the first terminal screw and is pressed toward the bus bar by fastening of the first terminal screw, the plurality of flat washers being polygonal; And a plurality of fixing screws respectively fastened to the second screw holes, wherein the second screw holes are respectively formed at corresponding positions between the flat washers, and the fixing screws are fastened to the second screw holes And protrudes from the booth bar so as to be in close contact with the outer peripheral surface of the flat washer.

A locking groove may be formed at each end of the flat washer, and a side surface of the fixing screw may be inserted into the locking groove.

The fixing screw includes a head portion and a fin portion. The pin portion has a first outer peripheral portion and a second outer peripheral portion. The first outer peripheral portion is adjacent to the head portion and is formed with a screw thread, and is fastened to the second screw hole , The second outer peripheral portion has a curved surface and can be inserted into the locking groove.

The fixing screw may be fastened to the second screw hole so that the pin protrudes from the booth bar and is fitted between the flat washer.

The bus bar may further include at least one third screw hole and a second terminal screw which is respectively fastened to the third screw hole, wherein the first screw hole has a diameter equal to the diameter of the first terminal screw The second screw hole corresponds to the diameter of the fixing screw, the third screw hole corresponds to the diameter of the second terminal screw, and the diameter of the second terminal screw and the third screw hole corresponds to the diameter of the second screw, Wherein the diameter of the first terminal screw and the diameter of the first screw hole is larger than the diameter of the first terminal screw, the first screw hole, the set screw, and the second screw hole, The diameter of the terminal screw may be larger than the diameter of the first terminal screw.

According to the embodiment of the present invention, it is possible to provide a low-cost electric wiring terminal block which is easy to connect, regardless of the tip structure of the electric wire, and has improved bonding force and bonding force.

1A is a view showing an electric wiring terminal block according to an embodiment of the present invention.
Fig. 1B is a view showing a further embodiment of the terminal block for electric wiring shown in Fig. 1A.
2A is a view showing an electric wiring terminal block according to another embodiment of the present invention.
FIG. 2B is a view showing a further embodiment of the terminal for electrical wiring shown in FIG. 2A.

The terms used in this specification will be briefly described and the present invention will be described in detail.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. Also, in certain cases, there may be a term selected arbitrarily by the applicant, in which case the meaning thereof will be described in detail in the description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term, not on the name of a simple term, but on the entire contents of the present invention.

When an element is referred to as "including" an element throughout the specification, it is to be understood that the element may include other elements as well, without departing from the spirit or scope of the present invention. Also, the terms "part," " module, "and the like described in the specification mean units for processing at least one function or operation, which may be implemented in hardware or software or a combination of hardware and software .

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

1A is a view showing an electric wiring terminal block according to an embodiment of the present invention. More specifically, FIG. 1A is a perspective view of the terminal block for electric wiring, FIG. 1A is a side view, and FIG. 1A is a plan view. 1A to 1D show that the protrusions shown in Figs. 1A to 1C are formed in different forms.

1A, an electric wiring terminal block 100 according to an embodiment of the present invention includes a bus bar 110, a plurality of first terminal screws 120, and a plurality of flat washers 130. As shown in FIG.

In one embodiment of the present invention, the electric terminal block 100 may be a ground terminal or a neutral terminal block.

A plurality of first screw holes 111a and a plurality of protrusions 112 may be formed in the bus bar 110.

The first screw holes 111a may be formed at predetermined intervals along the longitudinal direction of the bus bar 110,

The protruding portion 112 may protrude from the bus bar 110 so as to be bent from the bus bar 110 and closely contact with the outer circumferential surface of the flat washer 130.

For example, as shown in FIGS. 1A through 1C, the protruding portion 112 is formed so that a side portion 110A of the bus bar 110 is roughly oriented toward the center line of the bus bar 110 Quot; 11 " -shape, and then bending the cut portion approximately perpendicularly to the bus bar 110. As shown in Fig. Accordingly, a plurality of cutting grooves 112a may be formed on the side portion 110A of the bus bar 110 by cutting and bending the projecting portion 112. [ 1A to 1C, the protrusions 112 are formed on both sides of the bus bar 110, but they may be formed only on one side of the bus bar 110.

As another example, as shown in FIG. 1A, the protrusion 112 'may be bent from the side end 110B of the bus bar 110. As shown in FIG. More specifically, the projecting portion 112 'shown in FIG. 1A (d) is formed such that the side portion 100A of the bus bar 110 is bent by the incision bending The protruding portion 112 'is simply protruded from the side end portion 100B of the bus bar 110 in the form of a bar and then the upper surface of the bus bar 110 And then bent in a secondary direction so as to protrude in a direction perpendicular to the upper surface of the bus bar 110. Accordingly, the protrusion 112 'can be bent in a substantially " d " shape. 1A, the protrusions 112 'are formed on both sides of the bus bar 110, but they may be formed only on one side of the bus bar 110.

The protrusions 112 and 112 'may protrude from the bus bar 110 so as to be sandwiched between the flat washers 130 while being in contact with the outer circumferential surface of the flat washer 130. When the first terminal screw 120 is fastened to the first screw hole 111a, the flat washer 130 moves along the first terminal screw 120 to the upper surface of the bus bar 110 So as not to turn around. The construction of the flat washer 130 will be described later.

When the front end of the electric wire is connected between the bus bar 110 and the flat washer 130, the protrusions 112 and 112 'serve to restrain the front end of the electric wire from being laterally released .

Meanwhile, leg portions 113 and coupling portions 114 may be formed at both ends of the bus bar 110, respectively.

The leg portions 113 may be connected to both ends of the bus bar 110, respectively. The legs 113 are connected to the bus bars 110 in an oblique or vertical direction to separate the bus bars 110 from the inner panel of the terminal box 110 when the bus bars 110 are installed in the terminal boxes. Thereby providing a space in which the pin end of the first terminal screw 120 protruding through the bus bar 110 can be placed.

The coupling part 114 is connected to the leg part 113 and may be used when the bus bar 110 is installed in the terminal box. The coupling part 114 may be formed in various forms and may be fixed to a panel such as a terminal box by a fastening screw or the like.

When the leg portion 113 is omitted, the leg portion 113 may be omitted so that the pin end portion of the first terminal screw 120 does not protrude from the bottom surface of the bus bar 110 . At this time, the coupling portion 114 of the above-described shape may be omitted, and screw holes may be formed at both ends of the bus bar 110 so that a fastening screw can be fastened.

The first terminal screws 120 are respectively fastened to the first screw holes 111a, and the flat washers 130 can be respectively engaged. Accordingly, the first terminal screw 120 can be moved toward the upper surface of the bus bar 110 while the flat washer 130 is fastened to the first screw hole 111a. Accordingly, the first terminal screw 120 can press the leading end of the electric wire positioned between the flat washer 130 and the bus bar 110 through the flat washer 130.

The flat washer 130 may have a flat surface with a predetermined area. In addition, the flat washer 130 may have a polygonal shape, for example, a rectangular shape. When the first terminal screw 120 is fastened to the first screw hole 111a, the flat washer 130 is not rotated by the plurality of protrusions 112 and 112 ' The electric wire moves toward the upper surface of the bus bar 110 and is pressed against the front end of the electric wire positioned between the flat washer 130 and the bus bar 110 to prevent the electric wire from being detached from the electric wire terminal block 100 .

The flat washer 130 is formed to have a large area extending to the outside of the first terminal screw 120 so that the front end of the wire positioned between the flat washer 130 and the bus bar 110 The flat washer 130 can be prevented from being detached upward.

Fig. 1B shows a further embodiment of the terminal for electric wiring shown in Fig. 1A. More specifically, Figures 1 (a) and 1 (b) show additional embodiments of Figures 1a-1c, and Figure 1b (c) ≪ / RTI >

Only the configuration added in comparison with the embodiment shown in FIG. 1A will be described.

The electric terminal block 100 'shown in FIGS. 1B to 1C has a second screw hole 111b formed at one end of the bus bar 110', and the second screw hole 111b And a second terminal screw 140 fastened to the second terminal screw 140.

The second terminal screw 140 may be structurally similar to the first terminal screw 120. The second terminal screw 140 may have a diameter that is larger than the diameter of the first terminal screw 120 .

It may be difficult to connect the first terminal screw 120 and the flat washer 130 when the thickness of the main wire is large. In this case, the second terminal screw 140 is larger in size than the first terminal screw 120, so that it is possible to connect a thicker wire. At this time, it is appropriate that a wire to be connected to the second terminal screw 140 has a Y-shaped or O-shaped crimp terminal.

According to an embodiment of the present invention, even if a common core wire having no crimp terminal is connected to the terminal block for electric wiring, the common core wire can be easily connected without being detached from the booth bar using a flat washer and a fixing screw.

Further, by forming a part of the bus bar by machining instead of joining the projecting part for preventing the rotation of the flat washer and preventing the deviation of the wire to the bus bar, the cost of the parts and the manufacturing cost can be reduced.

2A is a view showing an electric wiring terminal block according to another embodiment of the present invention. More specifically, FIG. 2A is a perspective view of the terminal block for electric wiring, FIG. 1A is a side view, and FIG. 1A is a plan view. 2A shows that the protrusions shown in Figs. 2A to 2C are implemented in different forms.

2A, the electric terminal block 200 according to another embodiment of the present invention includes a bus bar 210, a plurality of first terminal screws 220, a plurality of flat washers 230, 240).

In another embodiment of the present invention, the electric terminal block 200 may be a ground terminal block or a neutral line terminal block.

A plurality of first screw holes 211 and second screw holes 212 may be formed in the bus bar 210.

The first screw holes 211 may be formed at regular intervals along the longitudinal direction of the bus bar 210 to which the first terminal screws 220 are fastened.

The second screw hole 212 may be formed at a position corresponding to the space between the flat washers 230 as a portion where the fixing screw 240 is fastened.

Meanwhile, leg portions 214 and coupling portions 215 may be further formed at both ends of the bus bar 210.

The leg portions 214 may be connected to both ends of the bus bar 210, respectively. The leg portions 214 are connected to the bus bars 110 in an oblique or vertical direction so that the bus bars 210 are spaced apart from the inner panel of the terminal box when the bus bars 210 are installed in the terminal boxes. Thereby providing a space in which the pin end of the first terminal screw 220 protruding through the bus bar 210 can be placed.

The coupling part 215 is connected to the leg part 214 and can be used when the bus bar 210 is installed in the terminal box. The coupling part 215 may be formed in various shapes and may be fixed to a panel such as a terminal box by a fastening screw or the like.

When the leg portion 214 is omitted, the leg portion 214 may be omitted so that the pin end portion of the first terminal screw 220 is not protruded to the bottom surface of the bus bar 210 . At this time, the coupling portion 215 of the above-described shape may be omitted, and screw holes may be formed at both ends of the bus bar 210 so that a fastening screw can be fastened.

The first terminal screws 220 are respectively fastened to the first screw holes 211, and the flat washers 230 can be respectively engaged. Accordingly, the first terminal screw 220 can be moved toward the upper surface of the bus bar 210 while being fastened to the first screw hole 211. Accordingly, the first terminal screw 220 can press the leading end of the electric wire positioned between the flat washer 230 and the bus bar 210 through the flat washer 230.

The flat washer 230 may have a flat surface with a predetermined area. Also, the flat washer 230 may have a polygonal shape, for example, a rectangular shape. When the first terminal screw 220 is fastened to the first screw hole 211, the flat washer 230 is inserted into the first screw hole 211 of the bus bar 210 without being rotated by the fixing screw 240. [ So that the electric wire can be prevented from being detached from the electric wiring terminal block 200 by pressing the front end of the electric wire positioned between the flat washer 230 and the bus bar 210.

The flat washer 230 is formed to have a large area extending to the outside of the first terminal screw 220 so that the flat washer 230 can be easily connected to the front end of the wire positioned between the flat washer 230 and the bus bar 210. [ The flat washer 230 can be prevented from being detached upward.

(A) to (c) of FIG. 2a, the flat washer 230 has a rectangular shape in which all four sides are rectilinear. However, as shown in (d) of FIG. And a locking groove 232 is formed at the end portion so that a part of the fixing screw 240 'can be fitted.

Accordingly, when the first terminal screw 220 is fastened to the first screw hole 211, a portion of the fixing screw 240 'is fitted into the locking groove 232, It is possible to more reliably prevent not only the rotation but also the shaking. The locking groove 232 may guide the flat washer 230 toward the upper surface of the bus bar 110 along the fixing screw 240 '.

The fixing screws 240 and 240 'are fastened to the second screw holes 212 and may protrude from the bus bar 210 so as to be in close contact with the outer circumferential surface of the flat washer 230. Unlike the first terminal screw 220, the fixing screws 240 and 240 'are fastened from the lower surface of the bus bar 210 toward the upper surface.

The fixing screws 240 and 240 'may include a head portion 241 and a fin portion 242. The head portion 241 refers to a normal threaded head portion, and the fin portion 242 can refer to a threaded joint portion.

However, the fin portion 242 may be divided into a first outer peripheral portion 242a and a second outer peripheral portion 242b. The first outer peripheral portion 242a is a portion adjacent to the head portion 241 and formed with a screw thread and is fastened to the second screw hole 212. [ The second outer peripheral portion 242b has a curved surface and is inserted into the locking groove 232. The curved surface of the second outer circumferential portion 242b without the screw thread is more easily moved along the fixing screw 240 when the flat washer 230 is moved.

The fixing screws 240 and 240 'may protrude from the bus bar 210 so as to be fitted between the flat washer 230 while being closely attached to the outer circumferential surface of the flat washer 230 . When the first terminal screw 220 is fastened to the first screw hole 211, the flat washer 230 moves the upper surface of the bus bar 210 along the first terminal screw 220 So as not to turn around. The construction of the flat washer 230 will be described later.

When the front end of the electric wire is connected between the bus bar 210 and the flat washer 230, the fixing screws 240 and 240 'serve to restrain the front end of the electric wire so as not to be deviated in the lateral direction do.

Fig. 2b shows a further embodiment of the terminal for electrical wiring shown in Fig. 2a. More specifically, Figures 2b and 2c illustrate further embodiments of Figures 2a through 2c, and Figure 2b illustrates a further embodiment of Figure 2a, ≪ / RTI >

Only the configuration added in comparison with the embodiment shown in FIG. 2A will be described.

The electric terminal block 200 'shown in FIGS. 2 (a) to 2 (c) has a third screw hole 213 formed at one end of the bus bar 210', and the third screw hole 213 ' And a second terminal screw 250 fastened to the second terminal screw 250.

The second terminal screw 250 may be structurally similar to the first terminal screw 220 but may have a diameter larger than that of the first terminal screw 220 .

It may be difficult to connect the first terminal screw 220 and the flat washer 230 when the thickness of the main line or the like is large. In this case, the size of the second terminal screw 250 is larger than that of the first terminal screw 220, thereby making it possible to connect thicker wires. At this time, it is appropriate that the wire to be connected to the second terminal screw 250 has a "Y" type or "O" type crimp terminal.

According to another embodiment of the present invention, even if a common core wire having no crimp terminal is connected to the electric wire terminal block, the common core wire can be connected easily without being detached from the booth bar using a flat washer and a fixing screw.

In addition, since normal screws can be used for preventing the rotation of the flat washer and preventing the wire from coming off, the manufacturing time can be shortened and the manufacturing cost can be reduced.

Although the projection and the fixing screw have been described for preventing the rotation of the flat washer and preventing the deviation of the wire from being broken, it is also possible to form the partition by a process such as press molding or molding of the bus bar, It can also be transformed into a form.

It is to be understood that the present invention is not limited to the above-described embodiment, but may be modified in various ways within the scope of the present invention as set forth in the claims below It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

100, 100 ': ground terminal (or neutral wire terminal) 110, 110': bus bar
110A: Side portion of the bus bar 110B: Side portion of the bus bar
111a: first screw hole 111b: second screw hole
112, 112 ': protrusion 112a: incision groove
113: leg portion 114: engaging portion
120: first terminal screw 130: flat washer
140: second terminal screw 200: ground terminal block
210, 210 ': Busbar 211: First screw hole
212: second screw hole 213: third screw hole
214: leg portion 215:
220: first terminal screw 230: flat washer
231: washer hole 232: locking groove
240, 240 ': fixing screw 241: head
242: pin portion 242a: first outer peripheral surface
242b: second outer circumferential surface 250: second terminal screw

Claims (10)

A bus bar formed with a plurality of first screw holes and a plurality of protrusions;
A plurality of first terminal screws respectively fastened to the first screw holes; And
And a plurality of flat washers each of which is formed in a polygonal shape and is pressed toward the bus bar by being fastened to the first terminal screw,
Wherein the projecting portion is protruded from the booth bar so as to be bent from the booth bar and brought into close contact with an outer peripheral surface of the flat washer,
Wherein the projecting portion is formed by cutting the side portion of the bus bar into an eleven character shape and then bending the cut portion,
And a cutout groove corresponding to the protruding portion is formed on a side portion of the bus bar by cutting and bending of the protruding portion.
delete A bus bar formed with a plurality of first screw holes and a plurality of protrusions;
A plurality of first terminal screws respectively fastened to the first screw holes; And
And a plurality of flat washers each of which is formed in a polygonal shape and is pressed toward the bus bar by being fastened to the first terminal screw,
Wherein the projecting portion is protruded from the booth bar so as to be bent from the booth bar and brought into close contact with an outer peripheral surface of the flat washer,
Wherein the projecting portion is firstly bent so that a bar shape protruding from a side end portion of the bus bar is parallel to an upper surface of the bus bar toward an upper surface of the bus bar and then projected in a direction perpendicular to the upper surface of the bus bar, Wherein the terminal block is extended and bent.
The method according to claim 1 or 3,
Wherein at least one protrusion is formed between the flat washer.
The method according to claim 1 or 3,
At least one second screw hole is further formed in the bus bar,
And second terminal screws respectively fastened to the second screw holes,
And the diameter of the second terminal screw is larger than the diameter of the first terminal screw.
A bus bar formed with a plurality of first screw holes and a plurality of second screw holes;
A plurality of first terminal screws respectively fastened to the first screw holes;
A plurality of flat washers each of which is inserted into the first terminal screw and is pressed toward the bus bar by fastening of the first terminal screw, the plurality of flat washers being polygonal; And
And a plurality of fixing screws respectively fastened to the second screw holes,
And the second threaded hole is formed at a position corresponding to the space between the flat washers,
Wherein the fixing screw is protruded from the booth bar so as to be fastened to the second screw hole and to be in close contact with the outer circumferential surface of the flat washer.
The method of claim 6,
A locking groove is formed at both side ends of the flat washer,
And a part of a side surface of the fixing screw is inserted into the locking groove.
The method of claim 7,
Wherein the fixing screw includes a head portion and a fin portion,
Wherein the fin portion has a first outer peripheral portion and a second outer peripheral portion,
Wherein the first outer peripheral portion is adjacent to the head portion and is formed with a screw thread and is fastened to the second screw hole,
Wherein the second outer peripheral portion has a curved surface and is inserted into the locking groove.
The method of claim 8,
And the fixing screw is fastened to the second screw hole so that the pin protrudes from the bus bar and is fitted between the flat washer.
The method of claim 6,
At least one third screw hole is further formed in the bus bar,
And a second terminal screw respectively fastened to the third screw holes,
The first screw hole corresponds to the diameter of the first terminal screw,
The second screw hole corresponds to the diameter of the fixing screw,
The third screw hole corresponds to the diameter of the second terminal screw,
The diameters of the second terminal screw and the third screw hole are larger than the diameters of the first terminal screw, the first screw hole, the fixing screw, and the second screw hole,
And the diameter of the first terminal screw and the first screw hole is larger than the diameter of the fixing screw and the second screw hole.
KR1020150105109A 2015-07-24 2015-07-24 Terminal block for electric wiring KR101728454B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150105109A KR101728454B1 (en) 2015-07-24 2015-07-24 Terminal block for electric wiring

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KR101728454B1 true KR101728454B1 (en) 2017-04-19

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3044135B2 (en) * 1992-09-01 2000-05-22 松下電工株式会社 Terminal block
JP6050651B2 (en) * 2012-10-26 2016-12-21 大橋　弘幸 Feeder nail plate and manufacturing method thereof, feeder for crushing or crushing machine and crushing or crushing machine provided with the same.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100323061B1 (en) 1999-08-24 2002-02-07 이 창 세 Method of grown-in defects reduction on the surface and near surface of silicon wafer
KR100881673B1 (en) 2007-06-25 2009-02-06 이원재 Bolt loosing prevention washer assembly and terminal structure with loosing prevention function
KR20120045357A (en) 2010-10-29 2012-05-09 주식회사 케이티 Washer combination structure of power terminal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3044135B2 (en) * 1992-09-01 2000-05-22 松下電工株式会社 Terminal block
JP6050651B2 (en) * 2012-10-26 2016-12-21 大橋　弘幸 Feeder nail plate and manufacturing method thereof, feeder for crushing or crushing machine and crushing or crushing machine provided with the same.

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