CN109301531B - Grid plate type terminal table with front pin - Google Patents
Grid plate type terminal table with front pin Download PDFInfo
- Publication number
- CN109301531B CN109301531B CN201811222060.2A CN201811222060A CN109301531B CN 109301531 B CN109301531 B CN 109301531B CN 201811222060 A CN201811222060 A CN 201811222060A CN 109301531 B CN109301531 B CN 109301531B
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- CN
- China
- Prior art keywords
- terminal
- groove
- pin
- nut
- wall
- Prior art date
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- 239000002184 metal Substances 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention discloses a grid plate type terminal block with front pins, which greatly saves the installation space of products by optimally designing the structures of metal terminals and plastic bodies for positioning the metal terminals; the metal terminals are arranged on the front side of the plastic body, so that products with different wiring digits can be produced according to the use requirements of customers, and the structure flexibility is high; after the metal terminal is optimized, the structure is very simple, the material utilization rate is high, and the cost is saved; the optimized metal terminal and the plastic body are also very simple to assemble, so that the labor cost is greatly saved; the grid plate type terminal block with the front pin is used by locking bare wires and quick terminals (O/Y type), and the wiring range is wide.
Description
Technical Field
The invention relates to the field of electric connectors, in particular to a grid plate type terminal block with front pins.
Background
The electric connector is also called a wiring terminal or a terminal block, can quickly realize connection of wires and wires, wires and a circuit board, and the circuit board, is an indispensable component in electronic equipment, has an increasingly wide application field, has various forms and structures, and has various different structural forms along with different application objects, frequencies, power, application environments and the like.
Referring to fig. 1, the structure of the grid-type terminal block or the fence-type terminal block in the prior art generally includes a plastic body, a wire connection module and a metal terminal, wherein pins of the metal terminal are penetrated from the bottom of the plastic body and used for soldering with a PCB, etc., and the wire connection module is used for connecting wires and the metal terminal so as to realize electrical connection of the wires to the PCB, etc. Because the metal terminal of grid tray formula terminal platform goes out the foot from plastic body bottom, lead to the terminal platform whole to occupy great installation space, restricted the use of client, and metal material's metal terminal use amount is more, extravagant material, increase cost.
Disclosure of Invention
In order to solve the technical problems, the invention provides a grid plate type terminal block with front pin, which can save the installation space of the whole product and metal materials, so that the use space and cost of a terminal customer are greatly improved and promoted.
The technical scheme of the invention is realized as follows:
the grid plate type terminal block comprises one or more wiring units, wherein each wiring unit comprises a plastic body, a metal terminal and a locking piece, the metal terminal comprises a terminal body with a through hole in the middle, the terminal body comprises an insertion edge, a pin outlet edge opposite to the insertion edge and a fixedly connected edge connected between the insertion edge and the pin outlet edge, the metal terminal further comprises a first terminal wall formed by bending downwards from the pin outlet edge, an upper stitch formed by bending downwards from the first terminal wall to the pin outlet direction, a second terminal wall formed by bending downwards from the fixedly connected edge, a connecting sheet formed by bending downwards from the second terminal wall to the lower part of the terminal body, and a lower stitch formed by extending from the connecting sheet to the pin outlet direction, and the upper stitch and the lower stitch are separated by a set distance and are parallel to each other; the locking piece comprises a screw and a nut, a slotted hole which is formed in the top of the plastic body and is used for avoiding and accommodating the screw is formed in the bottom of the slotted hole, a terminal groove matched with the terminal body, a nut groove matched with the nut and a thread groove matched with a thread section of the screw are sequentially formed in the bottom of the slotted hole, a pin outlet groove which is used for avoiding the metal terminal is formed in the front of the plastic body, a first slot for accommodating and positioning the connecting piece and a second slot for accommodating and positioning the second terminal wall are formed in the bottom of the pin outlet groove, and one side of the terminal groove is communicated with the bottom of the pin outlet groove; the nut is positioned in the nut groove through the groove hole, the metal terminal is inserted into the pin outlet groove, so that the terminal body is positioned in the terminal groove and covers the upper side of the nut, the connecting piece can be just inserted into the first groove, the second terminal wall can just be inserted into the second groove, the upper pin and the lower pin penetrate out of the front surface of the plastic body for a set distance, the screw is inserted into the groove hole, and the thread section of the screw penetrates through the through hole on the terminal body, is in threaded connection with the nut and stretches into the thread groove.
Further, the wiring units are arranged side by side, the plastic bodies of the wiring units are integrally formed, and the pin outlet directions of the upper pins and the lower pins of each wiring unit are the same.
Further, the grid plate type terminal block further comprises a cover, the cover covers the tops of the plastic bodies of the plurality of wiring units, one side of the cover is pivoted on the plastic bodies at the left and right outermost sides, and the opposite side of the cover is in buckling connection with the plastic bodies of the plurality of wiring units.
Further, the upper pins and the lower pins are arranged vertically opposite to each other.
Further, a convex point is formed on the outer side of the second terminal wall, a concave point is formed on the groove wall, opposite to the second terminal wall, of the second slot, and the second terminal wall is positioned in the second slot through clamping and accommodating of the convex point and the concave point.
Further, the locking piece further comprises a gasket, and the gasket is sleeved outside the threaded section of the screw and fixed on one side of the nut section of the screw.
The beneficial effects of the invention are as follows: the invention provides a grid plate type terminal block with a front pin, which forms the grid plate type terminal block with the front pin by optimally designing the structures of a metal terminal and a plastic body for positioning the metal terminal, so that the installation space of a product is greatly saved; the metal terminal is led out from the front of the plastic body, so that the transformation of different latches of the whole product can be realized conveniently, namely, products with different wiring digits can be produced according to the use requirements of customers, and the structure flexibility is high; after the metal terminal is optimized, the structure is very simple, the material utilization rate is high, and the cost is saved; the optimized metal terminal and the plastic body are also very simple to assemble, so that the labor cost is greatly saved; the grid plate type terminal block with the front pin is used by locking bare wires and quick terminals (O/Y type), and the wiring range is wide.
Drawings
FIG. 1 is a schematic view of a prior art grid plate terminal block;
FIG. 2 is a perspective view of a grid plate terminal block with front pins according to the present invention;
FIG. 3 is a cross-sectional view of a grid plate terminal block with front pins according to the present invention;
FIG. 4 is a front view of a grid tray terminal block with front pins according to the present invention;
FIG. 5 is a top view of a grid tray terminal block with front pins according to the present invention;
fig. 6 is a perspective view of a metal terminal according to the present invention;
fig. 7 is a side view of a metal terminal according to the present invention;
FIG. 8 is a pre-assembled perspective view of a grid tray terminal block with front pins according to the present invention;
fig. 9 is a pre-assembled cross-sectional view of a grid tray terminal block with front pins according to the present invention.
Detailed Description
In order that the technical content of the present invention may be more clearly understood, the following detailed description of the embodiments is given only for better understanding of the content of the present invention and is not intended to limit the scope of the present invention. The components in the structures of the drawings of the embodiments are not to scale and thus do not represent actual relative sizes of the structures in the embodiments. Wherein the upper or upper side of said structure or face comprises the case of other layers in between.
FIG. 2 is a perspective view of a grid plate terminal block with front pins according to the present invention; FIG. 3 is a cross-sectional view of a grid plate terminal block with front pins according to the present invention; FIG. 4 is a front view of a grid tray terminal block with front pins according to the present invention; FIG. 5 is a top view of a grid tray terminal block with front pins according to the present invention; fig. 6 is a perspective view of a metal terminal according to the present invention; fig. 7 is a side view of a metal terminal according to the present invention; fig. 8 is a pre-assembled view of the grid tray terminal block with front pins according to the present invention.
As shown in fig. 2, 3, 4, 5, 6 and 7, a grid-type terminal block with front-side pins comprises one or more wire connection units, wherein the wire connection units comprise a plastic body 1, a metal terminal 2 and a locking piece 3, the metal terminal comprises a terminal body 21 with a through hole 214 in the middle, the terminal body comprises an insertion edge 211, a pin-out edge 212 opposite to the insertion edge and a fixed connection edge 213 connected between the insertion edge and the pin-out edge, the metal terminal further comprises a first terminal wall 22 formed by bending downwards from the pin-out edge, an upper pin 23 formed by bending downwards from the first terminal wall to the pin-out direction, a second terminal wall 24 formed by bending downwards from the fixed connection edge, a connecting piece 25 formed by bending downwards from the second terminal wall to the terminal body, and a lower pin 26 formed by bending downwards from the connecting piece to the pin-out direction, and the upper pin is spaced from the lower pin and parallel to each other; the locking piece comprises a screw 31 and a nut 32, a slotted hole 11 avoiding and accommodating the screw is formed in the top of the plastic body, a terminal groove 12 matched with the terminal body, a nut groove 13 matched with the nut and a thread groove 14 matched with a thread section of the screw are sequentially formed in the bottom of the slotted hole, a pin outlet groove 15 avoiding the metal terminal is formed in the front of the plastic body, a first slot 16 accommodating and positioning the connecting piece and a second slot 17 accommodating and positioning the second terminal wall are formed in the bottom of the pin outlet groove, and one side of the terminal groove is communicated with the bottom of the pin outlet groove; the nut is positioned in the nut groove through the groove hole, the metal terminal is inserted in the pin outlet groove, so that the terminal body is positioned in the terminal groove and covers the upper side of the nut, the connecting piece can be just inserted in the first groove, the second terminal wall can just be inserted in the second groove, the upper pin and the lower pin penetrate out of the front surface of the plastic body for a set distance, the screw is inserted into the groove hole, and the thread section of the screw penetrates through the through hole 214 on the terminal body, is in threaded connection with the nut and stretches into the thread groove.
In the structure, the metal terminal can be formed by a stamping process, and the terminal body, the first terminal wall, the second terminal wall, the connecting sheet, the upper pin and the lower pin are formed by bending and blanking processes. The special pin structure of the front pin is formed by arranging the metal terminals in the plastic body along the horizontal direction and enabling pins of the metal terminals to extend out of the front surface of the plastic body. The wiring mode of the pin out of the front side of the plastic body can lock bare wires and quick terminals (O/Y), and the wiring range is wide, so the optimized structure of the metal terminal provides a special pin out direction for products, and has the advantages of small occupied space, special welding direction and cost saving
Preferably, referring to fig. 2, the plurality of wiring units are arranged side by side, the plastic bodies of the plurality of wiring units are integrally formed, and the pin outlet directions of the upper pins and the lower pins of each wiring unit are the same, preferably, the upper pins and the lower pins are arranged up and down oppositely.
Preferably, the grid-plate terminal block further includes a cover 4, the cover covers the tops of the plastic bodies of the plurality of wiring units, one side of the cover is pivoted to the plastic body at the outermost side of the left and right sides, and the opposite side of the cover is in snap connection with the plastic bodies of the plurality of wiring units. Here, the cover plays a role of preventing dust and foreign objects (fingers, etc.) from protruding from the upper side of the product into contact with the metal piece of the product, thereby improving the safety of the product. The cover is pivoted on the plastic body, specifically, the protruding columns are designed at the two ends of the cover, corresponding holes are designed on the plastic body to be matched with the protruding columns, and the cover and the plastic body can be rotated to open and close after being assembled together.
Preferably, a convex point 27 is formed on the outer side of the second terminal wall, a concave point is formed on a groove wall of the second slot, which is opposite to the second terminal wall, and the second terminal wall is positioned in the second slot through the clamping accommodation of the convex point and the concave point. Through the cooperation of bump and pit, can be better fix the metal terminal in the plastic body.
Preferably, referring to fig. 2, the locking member further includes a washer 33 which is fitted over the threaded section of the screw and fixed to one side of the nut section of the screw. Therefore, the wire can be locked on the terminal body of the metal terminal through the threaded connection of the threaded section of the screw and the nut in the plastic package body and the pad pressing the wire, so that the electric connection with the wire is realized.
When the grid plate type terminal table with the front pin is assembled, referring to fig. 8 and 9, firstly, a nut 32 is placed in a nut groove 13 in a plastic body, then a metal terminal 2 is placed in the plastic body 1 from a pin outlet groove 15 in the front of the plastic body along the horizontal direction of a pin, a connecting sheet 25 of the metal terminal is inserted into a first slot 16 of the plastic body, a terminal body 21 of the metal terminal is pushed into a terminal groove 12 of the plastic body, a second terminal wall of the metal terminal is inserted into a second slot 17 of the plastic body, and a convex point on the second terminal wall is clamped with a concave point of the second slot, so that the metal terminal 2 is fixed in the plastic body 1; then, the screw 3 is inserted through the through hole 214 on the terminal body of the metal terminal 2 and locked into the nut, and finally the cover 4 is installed into the plastic body 1, thus completing the product assembly.
In summary, the invention forms a grid plate type terminal table with front pins by optimally designing the structures of the metal terminal and the plastic body positioning metal terminal, thereby greatly saving the installation space of the product; the metal terminal is led out from the front of the plastic body, so that the transformation of different latches of the whole product can be realized conveniently, namely, products with different wiring digits can be produced according to the use requirements of customers, and the structure flexibility is high; after the metal terminal is optimized, the structure is very simple, the material utilization rate is high, and the cost is saved; the optimized metal terminal and the plastic body are also very simple to assemble, so that the labor cost is greatly saved; the grid plate type terminal block with the front pin is used by locking bare wires and quick terminals (O/Y type), and the wiring range is wide.
The above embodiments are described in detail with reference to the accompanying drawings. Modifications and variations in the above-described embodiments may be made by those skilled in the art without departing from the spirit of the invention, which fall within the scope of the invention.
Claims (6)
1. Grid plate type terminal block with front pin, which is characterized in that: the wire connection device comprises one or more wire connection units, wherein each wire connection unit comprises a plastic body (1), a metal terminal (2) and a locking piece (3), the metal terminal comprises a terminal body (21) with a through hole (214) in the middle, the terminal body comprises an insertion edge (211), a pin outlet edge (212) opposite to the insertion edge and a fixed connection edge (213) connected between the insertion edge and the pin outlet edge, the metal terminal further comprises a first terminal wall (22) formed by bending downwards from the pin outlet edge, an upper stitch (23) formed by bending and extending from the first terminal wall to the pin outlet direction, a second terminal wall (24) formed by bending downwards from the fixed connection edge, a connecting sheet (25) formed by bending from the second terminal wall to the lower side of the terminal body, and a lower stitch (26) formed by extending from the connecting sheet to the pin outlet direction, and the upper stitch and the lower stitch are separated by a set distance and are parallel to each other; the locking piece comprises a screw (31) and a nut (32), a slotted hole (11) for avoiding and accommodating the screw is formed in the top of the plastic body, a terminal groove (12) matched with the terminal body, a nut groove (13) matched with the nut and a thread groove (14) matched with a thread section of the screw are sequentially formed in the bottom of the slotted hole, a pin outlet groove (15) for avoiding the metal terminal is formed in the front of the plastic body, a first slot (16) for accommodating and positioning the connecting piece and a second slot (17) for accommodating and positioning the second terminal wall are formed in the bottom of the pin outlet groove, and one side of the terminal groove is communicated with the bottom of the pin outlet groove; the nut is positioned in the nut groove through the groove hole, the metal terminal is inserted into the pin outlet groove, so that the terminal body is positioned in the terminal groove and covers the upper side of the nut, the connecting piece can be just inserted into the first groove, the second terminal wall can just be inserted into the second groove, the upper pin and the lower pin penetrate out of the front surface of the plastic body for a set distance, the screw is inserted into the groove hole, and the thread section of the screw penetrates through the through hole on the terminal body, is in threaded connection with the nut and stretches into the thread groove.
2. The front-side pin-out grid tray terminal block of claim 1, wherein: the wiring units are arranged side by side, the plastic bodies of the wiring units are integrally formed, and the pin outlet directions of the upper pins and the lower pins of each wiring unit are the same.
3. The front-side pin-out grid tray terminal block of claim 2, wherein: the grid plate type terminal block further comprises a cover (4), the cover covers the tops of the plastic bodies of the wiring units, one side of the cover is pivoted on the plastic bodies at the left and right outermost sides, and the opposite side of the cover is in buckling connection with the plastic bodies of the wiring units.
4. The front-side pin-out grid tray terminal block of claim 1, wherein: the upper pins and the lower pins are arranged vertically opposite to each other.
5. The front-side pin-out grid tray terminal block of claim 1, wherein: and convex points (27) are formed on the outer side of the second terminal wall, concave points are formed on the groove wall, opposite to the second terminal wall, of the second slot, and the second terminal wall is positioned in the second slot through clamping and accommodating of the convex points and the concave points.
6. The front-side pin-out grid tray terminal block of claim 1, wherein: the locking piece further comprises a gasket (33) which is sleeved outside the threaded section of the screw and is fixed on one side of the nut section of the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222060.2A CN109301531B (en) | 2018-10-19 | 2018-10-19 | Grid plate type terminal table with front pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222060.2A CN109301531B (en) | 2018-10-19 | 2018-10-19 | Grid plate type terminal table with front pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109301531A CN109301531A (en) | 2019-02-01 |
| CN109301531B true CN109301531B (en) | 2024-01-09 |
Family
ID=65157249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222060.2A Active CN109301531B (en) | 2018-10-19 | 2018-10-19 | Grid plate type terminal table with front pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109301531B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001015189A (en) * | 1999-06-30 | 2001-01-19 | Kitazawa Denki Seisakusho:Kk | Multi-stage terminal block |
| JP2010027410A (en) * | 2008-07-21 | 2010-02-04 | Shang Tsai Wu | Structure of terminal stand |
| CN202855927U (en) * | 2012-09-06 | 2013-04-03 | 营口三桂科技有限公司 | Novel terminal block |
| CN103390819A (en) * | 2013-08-20 | 2013-11-13 | 上海航天科工电器研究院有限公司 | Connector of terminal block for bearing high current |
| CN203466378U (en) * | 2013-09-13 | 2014-03-05 | 町洋机电(中国)有限公司 | Printed circuit board electrical connector module grounding structure |
| CN104143704A (en) * | 2013-05-10 | 2014-11-12 | 町洋机电(中国)有限公司 | Automatic bouncing structure for screw type electric coupler |
| CN106369037A (en) * | 2016-11-28 | 2017-02-01 | 苏州思科赛德电子科技有限公司 | Screw falling prevention device of barrier terminal block |
| CN208955216U (en) * | 2018-10-19 | 2019-06-07 | 町洋机电(中国)有限公司 | Front goes out the grated plate type terminal board of foot |
-
2018
- 2018-10-19 CN CN201811222060.2A patent/CN109301531B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001015189A (en) * | 1999-06-30 | 2001-01-19 | Kitazawa Denki Seisakusho:Kk | Multi-stage terminal block |
| JP2010027410A (en) * | 2008-07-21 | 2010-02-04 | Shang Tsai Wu | Structure of terminal stand |
| CN202855927U (en) * | 2012-09-06 | 2013-04-03 | 营口三桂科技有限公司 | Novel terminal block |
| CN104143704A (en) * | 2013-05-10 | 2014-11-12 | 町洋机电(中国)有限公司 | Automatic bouncing structure for screw type electric coupler |
| CN103390819A (en) * | 2013-08-20 | 2013-11-13 | 上海航天科工电器研究院有限公司 | Connector of terminal block for bearing high current |
| CN203466378U (en) * | 2013-09-13 | 2014-03-05 | 町洋机电(中国)有限公司 | Printed circuit board electrical connector module grounding structure |
| CN106369037A (en) * | 2016-11-28 | 2017-02-01 | 苏州思科赛德电子科技有限公司 | Screw falling prevention device of barrier terminal block |
| CN208955216U (en) * | 2018-10-19 | 2019-06-07 | 町洋机电(中国)有限公司 | Front goes out the grated plate type terminal board of foot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109301531A (en) | 2019-02-01 |
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