CN219874156U

CN219874156U - Integrated terminal protection fastener device applied in pitch drive

Info

Publication number: CN219874156U
Application number: CN202321281973.8U
Authority: CN
Inventors: 张栋; 张静; 薛志军; 张砚君; 谢伟钟
Original assignee: Keb Power Transmission Technology China Shanghai Co ltd
Current assignee: Keb Power Transmission Technology China Shanghai Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-20
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses an integrated wiring terminal protection fastener device applied to a pitch drive, which comprises a protection fastener body, wherein the protection fastener body is made of plastic, the protection fastener body comprises a connecting plate and a plurality of assembly structures, the assembly structures are connected to the connecting plate, the assembly structures are internally provided with leading-in slots, the leading-in slots are recessed inwards from the same side of the connecting plate, the leading-in slots are respectively used for being inserted and assembled with wiring terminals on a plurality of PCB boards, the connecting plate is provided with a plurality of connecting holes, and the connecting holes are connected to a metal shell through screws. The material of protection fastener body is plastics, and binding post on the PCB board can insert the assembly along leading-in slot, plays fixed PCB board and strengthens binding post and metal casing's insulation, has saved the inside wiring process of wall terminal, and the assembly is simple.

Description

Integrated terminal protection fastener device applied in pitch drive

Technical Field

The utility model relates to an integrated wiring terminal protection fastener device applied to a pitch drive.

Background

The pitch drive is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device, and is widely applied in the era of high-speed industrialization nowadays. The wiring port of the pitch drive consists of an input end, an output end and a signal end, and the internal and external connection is realized by adopting a wiring terminal. The high protection level become oar driver and use metal casing generally, the high insulation level wear wall terminal wide application in this kind of design, and wear wall terminal has with high costs, become the inside individual wiring that needs of oar driver, and occupation space, drawback such as assembly complicacy.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides an integrated wiring terminal protection fastener device applied to a pitch drive.

The utility model is realized by the following technical scheme:

the utility model provides an integral type binding post protection fastener device that uses in pitch drive, it includes the protection fastener body, the material of protection fastener body is plastics, the protection fastener body includes connecting plate and a plurality of mounting structure, a plurality of mounting structure all connect in on the connecting plate, and a plurality of all have leading-in slot in the mounting structure, a plurality of leading-in slot all from the same side of connecting plate is inwards sunken, and a plurality of leading-in slot is used for inserting the assembly with binding post on a plurality of PCB board respectively, a plurality of connecting hole has been seted up on the connecting plate, a plurality of the connecting hole passes through the screw installation and connects on metal casing.

Further, the protection fastener body further comprises a plurality of extension portions, one ends of the extension portions are connected to one side of the connecting plate, the other ends of the extension portions are outwards extended to be protruded along the inserting direction of the connecting terminal, and the extension portions are located at the edges of the connecting holes.

Further, the extension is located between the fitting structure and the connection hole.

Further, the fitting structure extends to both sides of the connection plate in the thickness direction of the connection plate.

Further, the plurality of leading-in slots are all recessed inwards along the thickness direction of the connecting plate.

Further, the plurality of assembly structures are arranged at intervals on the top of the connecting plate along the length direction of the connecting plate, and the plurality of connecting holes are respectively positioned under the plurality of assembly structures.

Further, the plurality of connecting holes are arranged at intervals along the length direction of the connecting plate.

Further, the protection fastener body is made of ABS.

Further, a reinforcing rib is arranged between the assembly structure and the connecting plate.

The utility model has the beneficial effects that:

according to the integrated wiring terminal protection fastener device applied to the pitch drive, the protection fastener body is made of plastic, the protection fastener body is fixedly arranged with the metal shell through the connecting hole on the connecting plate, the wiring terminal on the PCB can be inserted and assembled along the leading-in slot, reliable fixing of the wiring terminal is achieved, reliable insulation and isolation are kept between the wiring terminal and the metal shell, the PCB is fixed, insulation between the wiring terminal and the metal shell is enhanced, meanwhile, the internal wiring procedure of a through-wall terminal is omitted, and assembly is simple; and the structure is simple, the occupied space is small, and the cost is low.

Drawings

Fig. 1 is a schematic structural view of an integrated terminal protection fastener device applied in a pitch drive according to an embodiment of the present utility model.

Fig. 2 is a schematic view of another view of an integrated terminal protection fastener device for use in a pitch drive according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of an integrated terminal protection fastener device applied in a pitch drive according to an embodiment of the present utility model.

Fig. 4 is a schematic view of another view of the integrated terminal protection fastener device applied in a pitch drive according to an embodiment of the present utility model.

Fig. 5 is a schematic front view of an integrated terminal protection fastener device applied in a pitch drive according to an embodiment of the present utility model.

Reference numerals illustrate:

protective fastener body 1

Connecting plate 11

Connection hole 111

Mounting structure 12

Lead-in slot 121

Extension 13

Reinforcing rib 14

Metal shell 10

PCB board 20

Terminal 201

Screw 30

Detailed Description

The following description of embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the utility model may be practiced.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the embodiment discloses an integrated wiring terminal protection fastener device applied in a pitch drive, the integrated wiring terminal protection fastener device applied in the pitch drive comprises a protection fastener body 1, the protection fastener body 1 is made of plastic, the protection fastener body 1 comprises a connecting plate 11 and a plurality of assembly structures 12, the plurality of assembly structures 12 are all connected on the connecting plate 11, and the plurality of assembly structures 12 are all provided with leading-in slots 121, the plurality of leading-in slots 121 are all recessed inwards from the same side of the connecting plate 11, the plurality of leading-in slots 121 are respectively used for inserting and assembling wiring terminals 201 on a plurality of PCB boards 20, a plurality of connecting holes 111 are formed in the connecting plate 11, and the plurality of connecting holes 111 are installed and connected on a metal shell 10 through screws 30.

The protection fastener body 1 is fixedly installed with the metal shell 10 through the connecting hole 111 on the connecting plate 11, the plurality of assembly structures 12 are connected to the connecting plate 11, the plurality of assembly structures 12 are internally provided with the leading-in slots 121, the wiring terminals 201 on the plurality of PCB boards 20 are respectively inserted and assembled into the plurality of leading-in slots 121, the wiring terminals 201 directly welded to the PCB boards 20 can be inserted and assembled along the leading-in slots 121, reliable fixing of the wiring terminals 201 is realized, the protection fastener body 1 is made of plastic, and is reliably insulated and isolated from the metal shell 10, so that the PCB boards 20 are fixed, the insulation between the wiring terminals 201 and the metal shell 10 is enhanced, meanwhile, the internal wiring process of through-wall terminals is omitted, and the assembly is simple; and the structure is simple, the occupied space is small, and the cost is low.

Wherein, the material of the protection fastener body 1 is ABS. The ABS material is adopted to ensure that the protective fastener body 1 has excellent flame retardance and insulating property. The function is to secure the connection terminal 201 reliably and to maintain a reliable insulation from the metal housing 10. Meanwhile, the structure is simple, and the cost is low.

In the present embodiment, a plurality of connection holes 111 are provided at intervals along the length direction of the connection plate 11. The number of the connecting holes 111 is four, the four connecting holes 111 are arranged on the connecting plate 11 at intervals along the length direction of the connecting plate 11, the connecting holes 111 are installed and connected on the metal shell 10 through screws 30, and the installation connection between the protection fastener body 1 and the metal shell 10 is stable and reliable through the plurality of connecting holes 111.

The plurality of assembly structures 12 are arranged at intervals on the top of the connecting plate 11 along the length direction of the connecting plate 11, and the plurality of connecting holes 111 are respectively positioned right below the plurality of assembly structures 12. The connection terminal 201 is inserted into the lead-in slot 121 to be assembled, and the connection hole 111 is located right below the assembly structure 12 and connected with the metal housing 10, so that the assembly structure 12 is close to the connection hole 111 and the connection is stable and reliable.

In this embodiment, the protection fastener body 1 further includes a plurality of extension portions 13, one ends of the plurality of extension portions 13 are connected to one side of the connecting plate 11, the other ends of the plurality of extension portions 13 extend outwards along the insertion direction opposite to the terminal 201, and the extension portions 13 are located at the edges of the connecting hole 111. The extension part 13 has insulation and isolation protection effects, and the extension part 13 is positioned at the edge of the connecting hole 111, so that the creepage distance between the PCB 20 and the screw 30 and the metal shell 10 at the position of the connecting hole 111 can be increased by the extension bulge of the extension part 13, and reliable insulation is ensured. Preferably, the extension 13 is located between the mounting structure 12 and the connection hole 111.

The fitting structure 12 extends to the both sides of the connection plate 11 in the thickness direction of the connection plate 11. The assembly structure 12 is provided with the leading-in slot 121, so that the groove depth of the leading-in slot 121 is larger, the wiring terminal 201 is stably inserted and assembled in the leading-in slot 121, and the connection stability is higher.

In the present embodiment, the plurality of lead-in slots 121 are each recessed inward in the thickness direction of the connection plate 11. The connection terminal 201 is inserted into the introduction slot 121 in the thickness direction of the connection plate 11, and is convenient to install and connect.

The top and one end of the lead-in slot 121 have openings, the extension portion 13 extends outwards along the insertion direction opposite to the terminal 201, and the top surface of the extension portion 13 and the bottom surface of the lead-in slot 121 may be located on the same plane, so that the connection is more stable and reliable.

Between the mounting structure 12 and the connection plate 11 there are stiffening ribs 14. The reinforcing ribs 14 have a reinforcing effect, so that the connection strength between the assembly structure 12 and the connecting plate 11 is effectively enhanced, and the safety and stability of the integrated wiring terminal protection fastener device applied to the pitch drive are greatly improved. Wherein the connection plate 11, the assembly structure 12, the extension 13 and the reinforcing ribs 14 are integrally formed.

When the integrated wiring terminal protection fastener device applied to the pitch drive is assembled and used, firstly, two larger PCB boards 20 are sequentially installed in the pitch drive, then the metal shell 10 is fixed at the corresponding position, then the smallest PCB board 20 is fixed on the protection fastener body 1 by adopting the screw 30, and finally, the protection fastener body 1 and the metal shell 10 are fixed together by utilizing the screw 30. The integrated wiring terminal protection fastener device applied to the pitch drive realizes reliable fixation of the wiring terminal 201, and keeps reliable insulation and isolation with the metal shell 10, thereby not only fixing the PCB 20, strengthening insulation between the wiring terminal 201 and the metal shell 10, but also omitting the wiring process inside the through-wall terminal.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides an integral type binding post protection fastener device that uses in pitch drive, its characterized in that, it includes the protection fastener body, the material of protection fastener body is plastics, the protection fastener body includes connecting plate and a plurality of mounting structure, a plurality of mounting structure all connect in on the connecting plate, and a plurality of all have leading-in slot in the mounting structure, a plurality of leading-in slot all follows the same side of connecting plate is inwards sunken, and a plurality of leading-in slot is used for inserting the assembly with binding post on a plurality of PCB board respectively, a plurality of connecting hole has been seted up on the connecting plate, a plurality of the connecting hole passes through screw mounting connection on the metal casing.

2. The integrated terminal protection fastener device for use in a pitch drive according to claim 1, wherein the protection fastener body further comprises a plurality of extending portions, one ends of the extending portions are connected to one side of the connecting plate, the other ends of the extending portions are protruded to extend outwards along the insertion direction opposite to the terminal, and the extending portions are located at edges of the connecting hole.

3. An integrated terminal protection fastener device for use in a pitch drive according to claim 2, wherein the extension is located between the mounting structure and the connection aperture.

4. An integrated terminal protection fastener device for use in a pitch drive according to claim 1, wherein the fitting structure extends a projection to both sides of the connection plate in a thickness direction of the connection plate.

5. The integrated terminal protection fastener device for use in a pitch drive of claim 1, wherein a plurality of said lead-in slots are each recessed inwardly in a thickness direction of said connection plate.

6. The integrated terminal protection fastener device for use in a pitch drive of claim 1, wherein a plurality of said mounting structures are disposed at intervals along the length of said connecting plate on top of said connecting plate, and a plurality of said connecting holes are respectively located directly below a plurality of said mounting structures.

7. The integrated terminal protection fastener device for use in a pitch drive of claim 1, wherein a plurality of said attachment holes are spaced apart along the length of said attachment plate.

8. The integrated terminal protection fastener device for use in a pitch drive of claim 1, wherein the protection fastener body is ABS.

9. An integrated terminal protection fastener device for use in a pitch drive according to claim 1, wherein there is a stiffener between the mounting structure and the connection plate.