Vibration-resistant wire-to-board connector

Abstract

The utility model discloses a vibration-resistant wire-to-board connector in the field of wire-to-board connectors, which comprises a wire end connector and a board end connector, one side of a flat cable partition plate is provided with an upper row of ribs and a lower row of ribs, a first limiting groove is formed between the upper row of ribs and an accommodating groove, a second limiting groove is formed between the lower row of ribs and the accommodating groove, and the upper row of ribs and the lower row of ribs are arranged in the accommodating groove. Each board end seat is provided with an upper-row accommodating groove and a lower-row accommodating groove, and the upper-row ribs and the lower-row ribs are arranged between two adjacent golden fingers, so that the first flat cable and the second flat cable are prevented from being tilted, the abrasion of the upper-row terminals and the lower-row terminals when the wire end connector and the board end connector are inserted into each other is reduced, the shaking of the first flat cable and the second flat cable can be reduced, and the service life of the wire end connector and the board end connector is prolonged. And the upper row of ribs are arranged in the upper row of accommodating grooves and are in interference connection with the upper row of accommodating grooves, and the lower row of ribs are arranged in the lower row of accommodating grooves and are in interference connection with the lower row of accommodating grooves, so that shaking between the wire end connector and the plate end connector can be reduced, and the vibration resistance of the wire-to-plate connector is further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of wire-to-board connectors, in particular to a vibration-resistant wire-to-board connector. Background Art

[0002] In modern electronic devices, a wire-end connector and a board-end connector with matching structures are usually required to transmit electrical signals. For example, the wire-end connector is used to connect wires, and the board-end connector is arranged on a circuit board. The matching structures of the wire-end connector and the board-end connector enable the transmission of electrical signals between the wires and the circuit board.

[0003] However, during the use of wire-to-board connectors on the market, on the one hand, the FFC cable is prone to shaking, which leads to poor vibration resistance of the connector. On the other hand, after the FFC cable is plugged into the line-end connector, the FFC cable is prone to warping in the middle. When the line-end connector is plugged into the board-end connector, the FFC cable warps, which will lead to aggravated wear of the terminals and shorten the service life. More seriously, it will affect the normal use of the connector. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art solutions, the utility model provides a vibration-resistant wire-to-board connector, which can effectively solve the problem that during the use of the wire-to-board connector, on the one hand, the FFC wire is prone to shaking, resulting in poor vibration resistance of the connector; on the other hand, after the FFC wire is plugged into the wire-end connector, the FFC wire is prone to warping in the middle, and when the wire-end connector is plugged into the board-end connector, the FFC wire warps, thereby causing technical problems such as aggravated wear of the terminal.

[0005] The utility model solves the technical problem by adopting the following technical scheme: a vibration-resistant wire-to-board connector, comprising a wire-end connector and a board-end connector, the wire-end connector and the board-end connector are plugged into each other, the wire-end connector comprises a wire-end plastic shell and a first row of wires and a second row of wires inserted into the wire-end plastic shell, the board-end connector comprises a board-end plastic shell and an upper row of terminals and a lower row of terminals inserted into the board-end plastic shell, a receiving groove is provided inside the wire-end plastic shell, one side of the wire-end plastic shell is formed with a wire dividing plate for dividing the receiving groove into a first row of wire slots and a second row of wire slots, one side of the wire dividing plate is formed with at least one group of upper row ribs and lower row ribs distributed at intervals up and down The ribs, the upper row of ribs and the groove wall of the accommodating groove have a height difference to form a first limiting groove for pressing the first row of wires, the lower row of ribs and the groove wall of the accommodating groove have a height difference to form a second limiting groove for pressing the second row of wires, one side of the board end rubber shell is provided with a docking groove, and the interior of the board end rubber shell is formed with two board end seats distributed with left and right intervals, each of the board end seats is provided with at least one group of upper row accommodating grooves and lower row accommodating grooves distributed with upper and lower intervals, when the line end connector and the board end connector are plugged in, the upper row of ribs are arranged inside the upper row of accommodating grooves and are interference connected therewith, and the lower row of ribs are arranged inside the lower row of accommodating grooves and are interference connected therewith.

[0006] Preferably, both left and right ends of the board end plastic shell are provided with fixing PINs.

[0007] Preferably, the wire end plastic housing is provided with a terminal locking piece for fixing the positions of the first row of wires and the second row of wires, and the terminal locking piece is detachably connected to the wire end plastic housing.

[0008] Preferably, a secondary locking member of a connector for lockingly connecting with the board-end plastic shell is provided on the top of the wire-end plastic shell, and the secondary locking member of the connector is detachably connected with the board-end plastic shell.

[0009] Preferably, the first row of cables and the second row of cables are both provided with a plurality of gold fingers, the upper row of ribs and the lower row of ribs are suspended in the accommodating groove, and the upper row of ribs and the lower row of ribs are provided between two adjacent gold fingers.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] By providing an upper row of ribs and a lower row of ribs, the upper row of ribs and the lower row of ribs are suspended in the receiving groove, a height difference is provided between the upper row of ribs and the groove wall of the receiving groove to form a first limiting groove for pressing the first row of wires, a height difference is provided between the lower row of ribs and the groove wall of the receiving groove to form a second limiting groove for pressing the second row of wires, and the upper row of ribs and the lower row of ribs are provided between two adjacent gold fingers, thereby avoiding the problem of warping of the first row of wires and the second row of wires, thereby reducing the wear of the upper row of terminals and the lower row of terminals when the line end connector and the board end connector are plugged into each other;

[0012] Since the board end seat is provided with an upper row of accommodating grooves and a lower row of accommodating grooves, when the line end connector and the board end connector are plugged in, the upper row of ribs are arranged inside the upper row of accommodating grooves and are interference connected therewith, and the lower row of ribs are arranged inside the lower row of accommodating grooves and are interference connected therewith. On the one hand, the shaking between the line end connector and the board end connector can be reduced. On the other hand, since the upper row of ribs and the lower row of ribs respectively press the first row of wires and the second row of wires, the shaking of the first row of wires and the second row of wires can be reduced, thereby enhancing the vibration resistance of the wire-to-board connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of a vibration-resistant wire-to-board connector of the utility model;

[0014] Figure 2 This is a cross-sectional view of a vibration-resistant wire-to-board connector of the utility model;

[0015] Figure 3 This is a connection state diagram of a vibration-resistant wire-to-board connector from a main viewing angle of the utility model;

[0016] Figure 4 This is a diagram showing the connection state of a vibration-resistant wire-to-board connector from a rear view angle according to the utility model;

[0017] Figure 5 This is a structural explosion diagram of a vibration-resistant wire-to-board connector of the utility model;

[0018] Figure 6 This is a three-dimensional diagram of a center line connector of a vibration-resistant wire-to-board connector of the utility model;

[0019] Figure 7 This is a diagram showing the assembly state of a wire end plastic shell, a connector secondary locking member, and a terminal locking member in a vibration-resistant wire-to-board connector of the utility model;

[0020] Figure 8 The utility model is a three-dimensional diagram of a plastic shell at the center line end of a vibration-resistant wire-to-board connector.

[0021] Numbers in the figure:

[0022] 1-wire end plastic shell, 2-first row of wires, 3-second row of wires, 4-terminal locking piece, 5-fixed PIN, 6-printed circuit board, 7-board end plastic shell, 8-connector secondary locking piece, 9-upper row of ribs, 10-gold finger, 11-lower row of ribs, 12-boss, 13-upper row of terminals, 14-lower row of terminals, 15-board end seat, 16-second row of wire slots, 17-wire separator, 18-first row of wire slots, 19-terminal slots, 20-board End connector, 21-accommodating groove, 22-wire end connector, 23-first empty groove, 24-second empty groove, 25-first guide groove, 26-plug-in part, 27-first locking hook part, 28-locking part, 29-clamp part, 32-first guide block, 33-second guide block, 35-plug-in groove, 36-clamp groove, 37-locking groove, 38-mounting plate, 39-lock, 40-upper row of accommodating grooves, 41-lower row of accommodating grooves, 42-second locking hook part. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-8As shown, the utility model provides a vibration-resistant wire-to-board connector, including a wire end connector 22 and a board end connector 20, wherein the wire end connector 22 and the board end connector 20 are plugged into each other, and the wire end connector 22 includes a wire end plastic shell 1 and a first row of wires 2 and a second row of wires 3 inserted into the wire end plastic shell 1, wherein the first row of wires 2 and the second row of wires 3 are FFC rows of wires and FPC rows of wires respectively, and the interior of the wire end plastic shell 1 is hollow to form a receiving groove 21, and a wire dividing plate 17 is formed on one side of the wire end plastic shell 1 to divide the receiving groove 21 into a first row of wire slots 18 and a second row of wire slots 16, and the wire dividing plate 17 is formed to divide the receiving groove 21 into a first row of wire slots 18 and a second row of wire slots 16. At least one group of upper and lower ribs 9 and 11 are formed on one side of the plate 17, and there is a height difference between the upper ribs 9 and the groove wall of the receiving groove 21 to form a first limiting groove for pressing the first row of wires 2, and there is a height difference between the lower ribs 11 and the groove wall of the receiving groove 21 to form a second limiting groove for pressing the second row of wires 3. The first row of wires 2 is provided with a first guide groove 25 and a group of first empty grooves 23 distributed at intervals, and the second row of wires 3 is provided with a second guide groove and a group of second empty grooves 24 distributed at intervals. The upper and lower ends of the wire separation plate 17 are respectively formed with The first guide block 32 and the second guide block 32, the left and right ends of the wire end plastic shell 1 are provided with a buckle groove 36, and the side of the wire end plastic shell 1 close to the buckle groove 36 is provided with a locking groove 37, the bottom of the wire end plastic shell 1 is provided with a terminal locking member 4, and a group of buckle parts 29 and locking parts 28 are formed on the end surface of the terminal locking member 4. The first row of wires 2 is inserted into the inside of the first row of wire slots 18, and the first guide groove 25 slides along the first guide block 32. The second row of wires 3 is inserted into the inside of the second row of wire slots 16, and the second guide groove slides along the second guide block 32. The first row of wires 2 and the second row of wires 3 are provided with multiple Gold finger 10, a group of protruding bosses 12 are formed on one side of the wire end plastic shell 1, one end of the upper row of ribs 9 and the lower row of ribs 11 are integrally formed with the boss 12, the upper row of ribs 9 and the lower row of ribs 11 are suspended in the accommodating groove 21, and the upper row of ribs 9 and the lower row of ribs 11 are arranged between two adjacent gold fingers 10, the buckle part 29 is buckled and connected with the buckle groove 36, so as to realize the fastening connection between the terminal locking member 4 and the wire end plastic shell 1, and the locking part 28 passes through the second empty groove 24, the first empty groove 23 and the locking groove 37 from bottom to top, thereby limiting the position of the first row of wires 2 and the second row of wires 3;

[0025] The board-end connector 20 includes a board-end plastic shell 7 and an upper row of terminals 13 and a lower row of terminals 14 inserted into the board-end plastic shell 7. A printed circuit board 6 is provided at the bottom of the board-end plastic shell 7. A board-end seat 15 is provided with a plurality of terminal slots 19 for installing the upper row of terminals 13 and the lower row of terminals 14. Fixed PINs 5 are provided at both ends of the board-end plastic shell 7. The upper row of terminals 13, the lower row of terminals 14 and the fixed PINs 5 are electrically connected to the printed circuit board 6. A docking groove is provided on one side of the board-end plastic shell 7, and two board-end seats 15 are formed inside the board-end plastic shell 7 and are spaced apart from each other. Each of the board-end seats 15 is provided with at least one set of upper row accommodating grooves 40 and lower row accommodating grooves 41 spaced apart from each other. The line-end connector 22 and the board-end connector 20 During plugging, the upper row of ribs 9 are arranged inside the upper row of accommodating grooves 40 and are interference connected therewith, the lower row of ribs 11 are arranged inside the lower row of accommodating grooves 41 and are interference connected therewith, the top of the wire end plastic shell 1 is provided with a lock buckle 39 and two symmetrically distributed mounting plates 38, each of the mounting plates 38 is provided with a plug-in groove 35, and the top of the wire end plastic shell 1 is provided with a connector secondary locking member 8 detachably connected thereto, the connector secondary locking member 8 includes a group of plug-in portions 26 and a first locking hook portion 27, the board end plastic shell 7 is provided with a second locking hook portion 42, the connector secondary locking member 8 is pressed so that the plug-in portion 26 is arranged inside the plug-in groove 35, the first locking hook portion 27 and the second locking hook portion 42 are buckled with each other, thereby realizing the locking between the board end plastic shell 7 and the wire end shell.

[0026] The plugging process of the line-end connector 22 and the board-end connector 20 is as follows: align the line-end plastic shell 1 with the board-end plastic shell 7 and insert it, and then press the connector secondary locking member 8 until the first locking hook portion 27 and the second locking hook portion 42 are engaged with each other. This method can prevent the connector from needing to be plugged in and improve the reliability of the connector;

[0027] The process of unplugging the line-end connector 22 and the board-end connector 20 is as follows: withdraw the connector secondary locking member 8, press down the lock buckle 39 and unplug the line-end connector 22. This method can prevent accidental unlocking.

[0028] Compared with the conventional technology: by providing the upper ribs 9 and the lower ribs 11, the upper ribs 9 and the lower ribs 11 are suspended in the receiving groove 21, and there is a height difference between the upper ribs 9 and the groove wall of the receiving groove 21 to form a first limiting groove for pressing the first row of wires 2, and there is a height difference between the lower ribs 11 and the groove wall of the receiving groove 21 to form a second limiting groove for pressing the second row of wires 3, and the upper ribs 9 and the lower ribs 11 are provided between two adjacent gold fingers 10, thereby avoiding the problem of warping of the first row of wires 2 and the second row of wires 3, thereby reducing the wear of the upper row of terminals 13 and the lower row of terminals 14 when the line end connector 22 and the board end connector 20 are plugged into each other;

[0029] Since the board end seat 15 is provided with an upper row of accommodating grooves 40 and a lower row of accommodating grooves 41, when the line end connector 22 is plugged into the board end connector 20, the upper row of ribs 9 is arranged inside the upper row of accommodating grooves 40 and is interference-connected therewith, and the lower row of ribs 11 is arranged inside the lower row of accommodating grooves 41 and is interference-connected therewith, which can reduce the shaking between the line end connector 22 and the board end connector 20 on the one hand, and on the other hand, since the upper row of ribs 9 and the lower row of ribs 11 press the first row of wires 2 and the second row of wires 3 respectively, the shaking of the first row of wires 2 and the second row of wires 3 can be reduced, thereby enhancing the vibration resistance of the line-to-board connector;

[0030] The vibration-resistant wire-to-board connector of this technical solution can connect the battery cell directly to the CMU or adapter board through FPC, and the CMU or adapter board to the BMS can use FFC / FPC instead of the wire harness. The battery cell and module can be directly connected to the BMS through FPC, so wireless harness connection can be achieved within the module and between SMU and BMS, reducing space by more than 25%, and realizing the use of FPC / FFC for EV battery monitoring, which is wireless and lightweight.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A vibration-resistant wire-to-board connector, comprising a wire-end connector and a board-end connector, wherein the wire-end connector and the board-end connector are plugged into each other, the wire-end connector comprises a wire-end plastic shell and a first row of wires and a second row of wires inserted into the wire-end plastic shell, and the board-end connector comprises a board-end plastic shell and an upper row of terminals and a lower row of terminals inserted into the board-end plastic shell, characterized in that: The wire end plastic shell is provided with a receiving groove inside, and a wire dividing plate is formed on one side of the wire end plastic shell to divide the receiving groove into a first row of wire slots and a second row of wire slots, and at least one group of upper and lower ribs and ribs are distributed in an upper and lower interval. There is a height difference between the upper row of ribs and the groove wall of the receiving groove to form a first limiting groove for pressing the first row of wires, and there is a height difference between the lower row of ribs and the groove wall of the receiving groove to form a second limiting groove for pressing the second row of wires. A docking groove is provided on one side of the board end plastic shell, and two board end seats are formed inside the board end plastic shell with left and right intervals, each of the board end seats is provided with at least one group of upper and lower accommodating grooves and accommodating grooves with upper and lower intervals. When the wire end connector is plugged into the board end connector, the upper row of ribs is arranged inside the upper row of accommodating grooves and is interference connected therewith, and the lower row of ribs is arranged inside the lower row of accommodating grooves and is interference connected therewith.

2. The vibration-resistant wire-to-board connector according to claim 1, characterized in that: The left and right ends of the board end plastic shell are both provided with fixing PINs.

3. The vibration-resistant wire-to-board connector according to claim 1, characterized in that: The wire end plastic shell is provided with a terminal locking piece for fixing the positions of the first row of wires and the second row of wires, and the terminal locking piece is detachably connected to the wire end plastic shell.

4. The vibration-resistant wire-to-board connector according to claim 1, characterized in that: A connector secondary locking piece for lockingly connecting with the board end plastic shell is provided on the top of the wire end plastic shell, and the connector secondary locking piece is detachably connected with the board end plastic shell.

5. The vibration-resistant wire-to-board connector according to claim 1, characterized in that: The first row of cables and the second row of cables are both provided with a plurality of gold fingers, the upper row of ribs and the lower row of ribs are suspended in the accommodating groove, and the upper row of ribs and the lower row of ribs are provided between two adjacent gold fingers.

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