JP6166764B2 - Terminal block having engagement structure - Google Patents

Description

  The present invention relates to a terminal block, and more particularly, to a terminal block having an engagement structure capable of quickly and easily performing wiring work or wiring replacement work.

  The connection member generally includes a terminal structure for connecting a signal line so as to transmit a signal in an electronic device. In other words, in such an electronic device, it is necessary to transmit a signal between different electronic components. That is, in an electronic device, in order to transmit a signal between different electronic components, signal lines of different electronic components must be connected to each other.

  However, when performing wiring work using the conventional terminal block structure, it is necessary to insert the cable with the other hand while holding the pushing block with a driver (or a hand tool similar to the driver) with one hand. Therefore, such a wiring method imposes inconvenience on the wiring person. In particular, when wiring or wiring replacement is performed for a row of terminal blocks, there is a problem that wiring is extremely inconvenient and laborious because it is not designed to save labor or have an auxiliary structure. .

  In order to remedy the drawbacks of the conventional terminal block wiring operation described above, the present invention overcomes the problems of the prior art by providing a terminal block having an engagement structure.

  An object of the present invention is to provide a terminal block having an engagement structure capable of quickly and easily performing cable wiring work or wiring replacement work.

  Another object of the present invention is to provide a terminal block having an engagement structure capable of performing wiring work or wiring replacement work without using both hands.

In order to achieve the above-mentioned object of the present invention, the terminal block having the engagement structure of the present invention is used in combination with a cable having a core wire. The terminal block includes a main body, a conductive terminal, a metal leaf spring, and a pushing block. The main body includes an accommodation groove, a cable insertion hole, a push-in hole, and a locking hook member adjacent to the push-in hole. The cable insertion hole and the push-in hole are each communicated with the receiving groove, and the locking hook member is elastically connected to the main body. The conductive terminal is provided in the accommodation groove and has a pair of pins protruding from the main body. The metal leaf spring is provided in the receiving groove and has a contact end portion that comes into contact with the conductive terminal and a free end portion that is elastically provided in the receiving groove. Pushing block is movably housed in the push hole, with pressing the free end portion of the metal plate spring, and engage the locking hook member, and two locking portions formed at intervals, the two And an inclined groove located between the locking portions. The locking hook member has an extending rod and two hook portions connected to the extending rod. Each locking portion is disposed opposite to each hook portion and engages with each hook portion .

  In the present invention, it is preferable that the main body further includes a receiving block fixed in the receiving groove and positioning the conductive terminal.

  In the present invention, it is preferable that the locking hook member has an extending rod and a hook portion connected to the extending rod, and an engagement for locking to the hook portion is provided on one side of the pushing block. A stop is formed.

  As described above, according to the terminal block having the engagement structure of the present invention, wiring work or wiring replacement work can be performed quickly and easily without using both hands.

It is a disassembled perspective view which shows the 1st specific example of the terminal block which has an engagement structure of this invention. It is a disassembled perspective view which shows the main body and side cover body of a terminal block which have an engagement structure of this invention. It is a top view which shows the terminal block which has an engagement structure of this invention. It is sectional drawing which shows the terminal block which has an engagement structure of this invention. It is sectional drawing which shows the engagement state of the pushing hole and locking hook member of this invention. It is sectional drawing which shows the state which the core wire of the cable of this invention contacted the bending part and the metal leaf | plate spring, respectively. It is sectional drawing which shows the state which cancelled | released the engagement state of the latching hook member and pushing hole of this invention. It is sectional drawing which shows another operation | movement with the latching hook member and pushing hole shown in FIG. It is a disassembled perspective view which shows the 2nd specific example of the terminal block which has an engagement structure of this invention. It is a perspective view which shows the 2nd specific example of the terminal block which has an engagement structure of this invention. It is a principal part expansion disassembled perspective view which shows the 3rd specific example of the terminal block which has an engagement structure of this invention. It is sectional drawing which shows the 3rd specific example of the terminal block which has an engagement structure of this invention. It is sectional drawing which shows another operation | movement of the 3rd specific example of the terminal block which has an engagement structure of this invention. It is a principal part expansion disassembled perspective view which shows the 4th specific example of the terminal block which has an engagement structure of this invention. It is sectional drawing which shows the 4th specific example of the terminal block which has an engagement structure of this invention. It is sectional drawing which shows another operation | movement of the 4th specific example of the terminal block which has an engagement structure of this invention.

  Detailed description and technical contents of the present invention will be described below with reference to the drawings. However, the drawings are only used for reference and description, and do not limit the present invention.

  As shown in FIGS. 1 to 5, the terminal block 100 having the engagement structure of the present invention is used in combination with a cable 10 having a core wire 12. Here, the cable 10 includes a general electric wire, a double insulated wire, or another suitable signal line. The terminal block 100 includes a main body 110, a conductive terminal 200, a metal leaf spring 300, and a pushing block 170. The main body 110 includes an accommodation groove 120, a cable insertion hole 130, a push hole 140, and a locking hook member 150 adjacent to the push hole 140. The cable insertion hole 130 and the push-in hole 140 are each communicated with the receiving groove 120, and the locking hook member 150 is elastically connected to the main body 110.

  The conductive terminal 200 made of copper or an alloy thereof has a pair of pins 210 provided in the receiving groove 120 and protruding from the main body 110. The metal leaf spring 300 is provided in the receiving groove 120 and has a contact end portion 310 and a free end portion 320. Referring also to FIG. 6, the conductive terminal 200 further includes a nail-like body 220. The contact end 310 has a positioning hole 312 for positioning with the nail-like body 220. As a result, the contact end portion 310 contacts the conductive terminal 200, and the free end portion 320 can be elastically provided in the accommodation groove 120.

  The main body 110 further includes a receiving block 160. The receiving block 160 is fixed in the receiving groove 120 and is provided so as to position the conductive terminal 200. In the present embodiment, it is preferable that one side surface of the receiving block 160 is provided so as to correspond to the shape of the contact end portion 310 in order to restrict the displacement of the contact end portion 310. A slot 122 is formed in the main body 110. The slot 122 communicates with the housing groove 120 and houses the metal leaf spring 300 and the conductive terminal 200, respectively. As shown in the embodiment of FIGS. 5 and 6, it is preferable that the metal leaf spring 300 and the conductive terminal 200 are simultaneously locked and fixed in the slot 122 so that signals can be smoothly transmitted.

  In particular, in this embodiment, the main body 110 is further formed with a pair of open grooves 124 and a locking groove 126. The pair of open grooves 124 communicate with the slot 122, and the pair of pins 210 are positioned by the pair of open grooves 124 and extend from the pair of open grooves 124, respectively. The conductive terminal 200 has an extending portion 240 positioned in the locking groove 126 and a bent portion 230 accommodated in the accommodating groove 120. The extending portion 240 and the bent portion 230 are located at both ends of the conductive terminal 200, respectively. As shown in FIG. 8, the bent portion 230 has a barbed portion 232 toward the accommodation groove 120 for locking and fixing the core wire 12.

  As shown in FIGS. 4 to 6, the push block 170 is movably accommodated in the push hole 140, and can be pressed against the free end portion 320 of the metal plate spring 300 to be engaged with the locking hook member 150. . In the present embodiment, the locking hook member 150 formed integrally with the main body 110 has an extending rod 152 and a hook portion 154 connected to the extending rod 152. A locking portion 172 for engaging with the hook portion 154 is formed on one side of the pushing block 170. The hook portion 154 has a first slope 156, and the pushing block 170 has a second slope 178 that faces the first slope 156.

  When the locking portion 172 of the push-in block 170 comes into contact with and engages with the hook portion 154, the first inclined surface 156 is easily pushed by the second inclined surface 178 and moved, so that the locking hook member 150 is , It can be elastically biased and engaged with the locking portion 172. At this time, since the free end 320 of the metal leaf spring 300 is pushed down by the push block 170, the core wire 12 of the cable 10 can be easily inserted from the cable insertion hole 130, and the free end 320 and the conductive terminal can be inserted. 200 bent portions 230 are brought into contact with each other.

  As shown in FIG. 7, when the pushing block 170 is released, the inserted core wire 12 is sandwiched between the metal leaf spring 300 and the conductive terminal 200, and the wiring work is completed. When erroneous wiring occurs or when the wiring is exchanged, for example, it is necessary to push and move the locking hook member 150 with a finger or a screwdriver to disengage the hook part 154 from the regulation of the locking part 172. Then, as shown in FIG. 8, the pushing block 170 is returned to the initial position, and the core wire 12 is sandwiched and fixed between the free end portion 320 of the metal leaf spring 300 and the barbed portion 232 of the bent portion 230. Can do.

  Therefore, the present invention eliminates the need to insert the cable 10 with the other hand while pressing the push block 170 with one hand, as in the prior art, by the engagement between the push block 170 and the locking hook member 150. Further, it is possible to shorten the time for inserting the cable 10 (that is, wiring work), save labor, and increase flexibility. In addition, when an incorrect wiring is found after all the cables 10 are installed, it is possible to easily and quickly take out and replace the cable 10 incorrectly wired by the above-described structure.

  FIG. 9 is an exploded perspective view showing a second specific example of the terminal block having the engagement structure of the present invention. FIG. 10 is a perspective view showing a second specific example of the terminal block having the engagement structure of the present invention. In this embodiment, a plurality of terminal blocks 100 and one side lid 190 are assembled. As shown in the figure, a plurality of assembly holes 192 are formed on one side surface of the side lid 190, and a plurality of protruding assembly columns 180 for assembling into the plurality of assembly holes 192 are formed on one side surface of the main body 110. Is formed. A plurality of assembly holes (not shown) opposed to the plurality of assembly pillars 180 are formed on the other side of the terminal block 100 opposite to the one side (where the plurality of assembly pillars 180 are formed). Therefore, the terminal blocks 100 can be provided to overlap each other.

  According to the above-described configuration, when it is necessary to insert a plurality of cables 10, the push block 170 engages with the locking hook member 150, whereby each cable 10 can be inserted quickly and easily. Time saving, labor saving, and improvement in flexibility can be achieved. Further, in this embodiment, when an incorrect wiring is found, the cable 10 incorrectly wired can be easily and quickly taken out and replaced.

  FIGS. 11-13 is a figure which shows the 3rd specific example of the terminal block which has an engagement structure of this invention. Referring also to FIGS. 11 to 13, the pushing block 170 in this embodiment includes two locking portions 172 formed at intervals, and an inclined groove 174 positioned between the two locking portions 172. have. The locking hook member 150 of the main body 110 has an extending rod 152 and two hook portions 154 connected to the extending rod 152. Each locking portion 172 is disposed to face each hook portion 154 and can be engaged with each hook portion 154.

  The locking hook member 150 preferably has a T-shaped structure. Each hook portion 154 is disposed at both ends of the head portion having a T-shaped structure. The push block 170 further includes a position restricting block 176 provided so as to protrude, and the locking hook member 150 is positioned in order to restrict the push block 170 from being displaced from the push hole 140 toward the receiving groove 120. It further has a contact block 158 facing the restriction block 176. Further, the extending rod 152 of the locking hook member 150 has a stepped block 151 for restricting or preventing a hand tool such as a driver from entering the push hole 140 or the receiving groove 120 too deeply. The stepped block 151 is disposed between the contact block 158 and the two hook portions 154, and the contact block 158 is provided so as to protrude from the stepped block 151 toward the push hole 140.

  Therefore, when an incorrect wiring or abnormal wiring is found after a cable (not shown) is inserted, for example, a hand tool such as a screwdriver is inserted from the inclined groove 174 and the extending rod 152 of the locking hook member 150 is inserted. By pushing and moving, each locking portion 172 is released from the restriction of each hook portion 154 and the pushing block 170 is retracted, so that the wrongly wired cable 10 can be easily and quickly taken out and replaced. .

  FIGS. 15-16 is a figure which shows the 4th example of the terminal block which has an engagement structure of this invention. Referring also to FIGS. 15 to 16, the locking hook member 150 in the present embodiment has an extending rod 152 and an engaging hole 159 formed in the extending rod 152. A locking portion 172 for engaging with the locking hole 159 is formed on one side of the pushing block 170. As shown in FIG. 16, the push block 170 further includes a position restricting block 176, and the locking hook member 150 restricts the push block 170 from being displaced from the push hole 140 toward the receiving groove 120. Further, a contact block 158 facing the position restriction block 176 is further provided.

  Therefore, when an incorrect wiring or abnormal wiring is found after a cable (not shown) is inserted, a finger or a hand tool (for example, a driver) is inserted into the locking hole 159 and the locking portion 172 is moved. By moving away from the restriction of the locking hole 159 and withdrawing the push block 170, the incorrectly wired cable 10 can be easily and quickly taken out and replaced.

  As mentioned above, although the preferable specific Example of this invention was described, the claim of this invention is not limited by this. Further, it goes without saying that all equivalent changes made by applying the contents of the present invention are included in the scope of the present invention.

10 Cable 12 Core wire 100 Terminal block 110 Main body 120 Housing groove 122 Slot 124 Open groove 126 Locking groove 130 Cable insertion hole 140 Push-in hole 150 Locking hook member 151 Stepped block 152 Stretching rod 154 Hook part 156 First slope 158 Contact block 159 Locking hole 160 Receiving block 170 Pushing block 172 Locking part 174 Inclination groove 176 Position restriction block 178 Second slope 180 Assembly column 190 Side lid 192 Assembly hole 200 Conductive terminal 210 Pin 220 Nail-like body 230 Bending part 232 240 Extension part 300 Metal leaf spring 310 Contact end part 312 Positioning hole 320 Free end part

Claims (11)

A terminal block (100) having an engagement structure used in combination with a cable (10) having a core wire (12),
A main body (110), a conductive terminal (200), a metal leaf spring (300), and a pushing block (170);
The main body (110) includes an accommodation groove (120), a cable insertion hole (130), a push-in hole (140), and a locking hook member (150) adjacent to the push-in hole (140),
The cable insertion hole (130) and the push-in hole (140) are communicated with the receiving groove (120), respectively.
The locking hook member (150) is elastically connected to the body (110),
The conductive terminal (200) includes a pair of pins (210) provided in the receiving groove (120) and protruding from the main body (110),
The metal leaf spring (300) is provided in the housing groove (120), and is elastically placed in the housing groove (120) and an abutting end (310) in contact with the conductive terminal (200). A free end (320) provided,
The push block (170) is movably accommodated in the push hole (140), presses the free end (320) of the metal leaf spring (300), and engages with the locking hook member (150). if you have two locking portions formed at intervals and (172), and an inclined groove (174) located between the two locking portions (172),
The locking hook member (150) includes an extending rod (152) and two hook portions (154) connected to the extending rod (152).
Each of the locking portions (172) is disposed to face each of the hook portions (154), and engages with each of the hook portions (154) .   The engagement structure according to claim 1, wherein the main body (110) further includes a receiving block (160) fixed in the receiving groove (120) and positioning the conductive terminal (200). Terminal block with.   One side surface of the receiving block (160) is provided so as to correspond to the shape of the abutting end (310) in order to regulate the displacement of the abutting end (310). Item 3. A terminal block having the engagement structure according to Item 2. The locking hook member (150) includes an extending rod (152) and a hook portion (154) connected to the extending rod (152).
The engaging structure according to claim 1, wherein a locking portion (172) for engaging with the hook portion (154) is formed on one side of the pushing block (170). Terminal block. The hook part (154) has a first slope (156),
The terminal block having an engagement structure according to claim 4, wherein the pushing block (170) has a second slope (178) facing the first slope (156). The locking hook member (150) has a T-shaped structure,
Each said hook section (154), the terminal block having an engagement structure according to claim 1, characterized in that arranged at both ends of the head portion of the T-shaped structure. The pushing block (170) further includes a position restriction block (176),
The terminal block having an engagement structure according to claim 1 , wherein the locking hook member (150) further includes a contact block (158) facing the position restricting block (176). The extending rod (152) of the locking hook member (150) has a stepped block (151) disposed between the contact block (158) and the two hook portions (154),
It said contact block (158), the terminal block having an engagement structure according to claim 7, characterized in that it is provided so as to protrude toward the push hole (140) than the step-like block (151). The locking hook member (150) includes an extending rod (152) and an engaging hole (159) formed in the extending rod (152).
The engagement structure according to claim 1, wherein a locking portion (172) for engaging with the locking hole (159) is formed on one side of the pushing block (170). Terminal block with. The pushing block (170) further includes a position restriction block (176),
The terminal block having an engagement structure according to claim 9 , wherein the locking hook member (150) further includes a contact block (158) facing the position restricting block (176). Further comprising a side lid (190) having a plurality of assembly holes (192);
The engagement structure according to claim 1, wherein the main body (110) further includes a plurality of projecting pillars (180) provided so as to project into the plurality of assembly holes (192). Terminal block.

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