Motor lead terminal and MGU plug wire assembly test tool

Abstract

The invention relates to the field of MGU actuators, and discloses a motor wire terminal and MGU plug wire assembly test tooling, the wire terminal is formed by bending a metal conducting strip and comprises a clamping area (1) and a connecting area (2), the clamping area (1) is provided with a clamping groove (3), the connecting area (2) is provided with a plug wire groove (4), one side of the plug wire groove (4) is a limiting area (5), the other side of the plug wire groove (4) is an elastic supporting area (6), the clamping groove (3) is transversely arranged, and the elastic supporting area (6) is arranged in the clamping area (1). The wire inserting groove (4) is longitudinally arranged, and the upper end of the wire inserting groove (4) is limited by the clamping area (1). The lead terminal is reliable in connection and stable in positioning, and can be automatically assembled.

Description

Technical Field

[0001] The invention relates to the field of parking brakes, and in particular to a motor lead terminal and an MGU wiring assembly test tool. Background Art

[0002] CN218633513U discloses a terminal block for a motor and a stator assembly and a motor using the same, which provides a structural style of a motor terminal block, but it does not meet the requirements of the MGU actuator motor. The existing terminal blocks of the MGU motor are generally connected by direct welding of wires. The first problem of this solution is that the wiring is unstable, and the second is that the wires are not easy to organize and the welding is difficult to automate. Moreover, the strength after welding is inconsistent, and the strength of the same batch is different, and there is no separate detection method. Summary of the invention

[0003] The present invention aims at the disadvantages of the prior art and provides a motor lead terminal.

[0004] In order to solve the above technical problems, the present invention is solved by the following technical solutions:

[0005] The motor wire terminal is formed by bending a metal conductive sheet, and includes a clamping area and a connecting area. The clamping area has a clamping groove, and the connecting area has a wire insertion groove. One side of the wire insertion groove is a limiting area, and the other side is an elastic support area. The clamping groove is arranged horizontally, and the wire insertion groove is arranged vertically. The upper end of the wire insertion groove is limited by the clamping area.

[0006] Preferably, the clamping area is formed by piece one, and the connecting area is formed by piece two. A connecting slope is formed at the connection between piece one and piece two, and a height difference is formed between piece one and piece two. Both side edges of piece one are bent inward toward the middle to form a semicircular limiting cylinder, and the end face of the limiting cylinder forms the upper limit face of the wire insertion slot. A notch is opened in the middle of piece two, and the notch is located directly below the limiting cylinder. An elastic piece is led out from the edge of the notch into the notch, and the height of the elastic end face of the elastic piece protruding upward is higher than the height of the upper end face of piece one. The upper end face of the elastic piece and the upper end face of piece one are the lower limit faces of the wire insertion slot.

[0007] Preferably, piece two includes a main piece and a transition piece, the notch, elastic piece, limiting cylinder and wire insertion slot are arranged on the main piece, one end of the transition piece is connected to the connecting piece, the edge of the transition piece at the connection with the main piece is provided with a flange, the flange transitions to the root of the limiting cylinder, and the flange is arranged perpendicular to the transition piece; the limiting cylinder includes a vertical piece part at the root and a semicircular part extending from the vertical piece part, the semicircular part opens downward, and the flange is connected to the vertical piece part as a whole.

[0008] Preferably, the elastic sheet is in the shape of a "V" with a protrusion pointing upward, and a protrusion is provided on the upper end surface of the elastic sheet, and the protrusion is located between the two limit cylinders; an operating port is opened in the middle of sheet one, and the fixed part of the clamping area is behind the operating port, and extended edges extend on both sides of the fixed part, and the cross-sectional shape formed by the extended edges and the fixed part is a "V" shape.

[0009] MGU plug-in assembly test fixture, the plug-in assembly includes two motor wire terminals, the wire terminals are connected by wires, and the wire terminals are the motor wire terminals described in claim 1;

[0010] The two ends of the wire are pressed tightly in the clamping groove, and also include a clamping device. There are two clamping devices, which are respectively arranged at the two ends of the wire terminal. The clamping device includes a mounting head and a connecting head. Two clamping arms are installed on the connecting head. One end of the two clamping arms is hinged to the connecting head, and the other end is arranged opposite to each other and has a reserved gap. An adjusting column is installed on the clamping arm. The adjusting column passes through the two clamping arms. A supporting spring is sleeved on the adjusting column. The two ends of the supporting spring are supported on the two clamping arms under the action of elastic force. One end of the adjusting column is threadedly connected to one of the clamping arms, and the other end of the adjusting column passes through the hole opened in the other clamping arm. An adjusting hand rod is installed on the adjusting column. When the two clamping arms are driven to rotate by rotating the adjusting column, the gap at one end of the two clamping arms is tightened to clamp the wire terminal.

[0011] Preferably, the wire terminal is formed by bending a metal conductive sheet, and includes a clamping area and a connecting area, the clamping area has a clamping groove, the connecting area has a wire insertion groove, one side of the wire insertion groove is a limiting area, and the other side is an elastic support area, the clamping groove is arranged horizontally, and the wire insertion groove is arranged longitudinally, and the upper end of the wire insertion groove is limited by the clamping area;

[0012] The clamping area is formed by the first sheet, and the connection area is formed by the second sheet. The connection between the first sheet and the second sheet forms a connection slope, and the first sheet and the second sheet form a height difference. Both sides of the first sheet are bent inwardly toward the middle to form a semicircular limiting cylinder. The end surface of the limiting cylinder forms the upper limit surface of the plug-in slot. A notch is opened in the middle of the second sheet, and the notch is located directly below the limiting cylinder. The edge of the notch leads to an elastic sheet in the notch. The height of the elastic end surface of the elastic sheet protruding upward is higher than the height of the upper end surface of the first sheet. The upper end surface of the elastic sheet and the upper end surface of the first sheet are the lower limit surfaces of the plug-in slot.

[0013] The second piece includes a main piece and a transition piece. The notch, elastic piece, limiting cylinder and wire insertion slot are arranged on the main piece. One end of the transition piece is connected to the connecting piece. The edge of the transition piece at the connection with the main piece is provided with a flange, and the flange transitions to the root of the limiting cylinder. The flange is arranged perpendicular to the transition piece; the limiting cylinder includes a vertical piece part at the root and a semicircular part extending from the vertical piece part. The semicircular part opens downward, and the flange is connected to the vertical piece part as a whole; the gap is clamped at the transition piece position.

[0014] Preferably, the shape of the clamp arm is U-shaped, and the clamp arm includes a connecting arm connected to the connecting head, a clamping part and a mounting part connecting the connecting arm and the clamping part, and the connecting arm and the clamping part are arranged in parallel; the outer side surface of the clamping part close to one end of the gap is an inclined surface, and the two clamping parts form an avoidance groove close to the gap; a threaded hole is provided on the mounting part of one of the clamp arms, and a through hole is provided on the mounting part of the other clamp arm opposite to it, the connecting arms of the two clamp arms are initially located on the same straight line, the clamping parts of the two clamp arms are initially located on the same straight line, and the mounting parts of the two clamp arms are arranged in parallel.

[0015] Preferably, a slot is provided at the end of the connecting arm of one clamp arm, an insert is provided at the end of the connecting arm of the other clamp arm, a socket is provided at the end of the connecting head, the insert is inserted into the slot, the insert and the slot are located on the inner side of the socket, the socket, the slot and the insert are connected by a pin shaft, and the two connecting arms can rotate around the pin shaft.

[0016] Preferably, the elastic sheet is in the shape of a "V" with a protrusion pointing upward, and a protrusion is provided on the upper end surface of the elastic sheet, and the protrusion is located between the two limit cylinders; an operating port is opened in the middle of sheet one, and the fixed part of the clamping area is behind the operating port, and extended edges extend on both sides of the fixed part, and the cross-sectional shape formed by the extended edges and the fixed part is a "V" shape.

[0017] Compared with the prior art, this solution has the following advantages: the wire terminals designed in this solution can be directly plugged into and matched with the pins of the coil. At the same time, the structural design has a reliable solder stacking area, which increases the strength of welding while preventing solder overflow, thereby ensuring the reliability of welding. Moreover, the connection structure is reliable and can be automatically welded by equipment. The detection process is safe and reliable, thereby controlling and detecting the performance of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the wire terminal.

[0019] Figure 2 It is a schematic diagram of the structure of the wire terminal.

[0020] Figure 3 It is a schematic diagram of the structure of the wire terminal.

[0021] Figure 4 This is a schematic diagram of the structure of the test tooling.

[0022] Serial numbers shown in the figure: 1-clamping area, 2-connecting area, 3-clamping groove, 4-wire insertion groove, 5-limiting area, 6-elastic supporting area, 7-piece one, 8-piece two, 9-connecting inclined surface, 10-limiting cylinder, 11-upper limit surface, 12-notch, 13-elastic piece, 14-main piece, 15-transition piece, 16-flanged edge, 17-vertical piece part, 18-semicircular part, 19-protrusion, 20-operating port, 21-fixed part, 22-extended edge, 23-mounting head, 24-connecting head, 26-slit, 27-adjusting column, 28-support spring, 29-threaded hole, 30-through hole, 31-avoidance groove, 32-adjusting handle, 33-connecting arm, 34-clamping part, 35-mounting part. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the present invention.

[0025] Example 1

[0026] The motor lead terminal is formed by bending a metal conductive sheet, and includes a clamping area 1 and a connecting area 2. The clamping area 1 has a clamping groove 3, and the connecting area 2 has a wire insertion groove 4. One side of the wire insertion groove 4 is a limiting area 5, and the other side is an elastic support area 6. The clamping groove 3 is arranged horizontally, and the wire insertion groove 4 is arranged vertically. The upper end of the wire insertion groove 4 is limited by the clamping area 1. The motor lead terminal is a copper sheet structure, and copper has an excellent conductive effect. After the wire is inserted into the clamping groove 3, it is clamped by a clamp. The wire insertion groove 4 is used to connect to the motor terminal. One end of the terminal is a sheet structure, and the terminal can be directly inserted into the wire insertion groove 4 for plugging and positioning.

[0027] The clamping area 1 is formed by piece 1 7, and the connecting area 2 is formed by piece 2 8. A connecting slope 9 is formed at the connection between piece 1 7 and piece 2 8. A height difference is formed between piece 1 7 and piece 2 8. The purpose of forming the height difference is to ensure that the connection can be limited during insertion, and to have a clamping area during clamping detection, which is convenient for clamping and positioning.

[0028] The two side edges of the second piece 8 are both bent inwards to form a semicircular limiting tube 10. It is obvious that there are two limiting tubes 10, one for each side. The end face of the limiting tube 10 is formed as the upper limit surface 11 of the plug-in slot 4, wherein the end face of the limiting tube 10 is arranged parallel to the second piece 8. A notch 12 is provided in the middle of the second piece 8, and the notch 12 is located directly below the limiting tube 10. An elastic sheet 13 is led out from the edge of the notch 12 into the notch 12. It is obvious that the elastic sheet 13 is also part of the wire terminal, and it is also a copper sheet structure. The height of the elastic end face of the upward protrusion 19 of the elastic sheet 13 is higher than the height of the upper end face of the first piece 7. The upper end face of the elastic sheet 13 and the upper end face of the first piece 7 are the lower limit faces of the plug-in slot 4.

[0029] The sheet 8 includes a main sheet 14 and a transition sheet 15. The notch 12, elastic sheet 13, stopper 10 and wire insertion slot 4 are arranged on the main sheet 14. One end of the transition sheet 15 is connected to the connecting sheet. The edge of the transition sheet 15 connected to the main sheet 14 is provided with a flange 16. The flange 16 transitions to the root of the stopper 10. The flange 16 is arranged perpendicular to the transition sheet 15. The stopper 10 includes a vertical sheet part 17 at the root and a semicircular part 18 extending from the vertical sheet part 17. The semicircular part 18 opens downward, and the flange 16 is connected to the vertical sheet part 17. The flanges 16 on both sides of the transition sheet 15 form an "eight" shape, and the flange 16 and the straight sheet part form a stopper area 5 to ensure the reliability of welding.

[0030] The elastic sheet 13 is in the shape of a "V" with a protrusion 19 pointing upward. The upper end surface of the elastic sheet 13 is provided with a protrusion 19, and the protrusion 19 is located between the two limit tubes 10. An operating port 20 is opened in the middle of the sheet 17, and the fixed part 21 of the clamping area 1 is the rear side of the operating port 20. Extended edges 22 extend on both sides of the fixed part 21, and the cross-sectional shape formed by the extended edges 22 and the fixed part 21 is in the shape of a "V".

[0031] During installation, the connection terminal of the motor coil is inserted into the plug slot and fixed by the elastic sheet 13 and the limiting cylinder 10 to ensure the initial connection strength, and then the connecting edge is welded and fixed. A pressing block is inserted into the limiting cylinder 10.

[0032] The main piece 14 facing the limiting cylinder 10 is provided with a convex strip 121, which is raised on the front and back sides of the main piece 14.

[0033] Example 2

[0034] This embodiment discloses a MGU plug-in assembly test tool, the plug-in assembly includes two motor wire terminals, the wire terminals are connected by wires, and the wire terminals are the motor wire terminals described in claim 1;

[0035] The two ends of the wire are pressed tightly in the clamping groove 3, so during installation, the connection can be achieved by directly inserting the wire terminal into the motor.

[0036] The clamping device also includes two clamping devices, which are arranged at the two ends of the wire terminal respectively. The clamping device includes a mounting head 23 and a connector 24. Two clamping arms are installed on the connector 24. One end of the two clamping arms is hinged with the connector 24, and the other end is arranged oppositely and reserved with a gap 26. An adjusting column 27 is installed on the clamping arm. The adjusting column 27 passes through the two clamping arms. A supporting spring 28 is sleeved on the adjusting column 27. The two ends of the supporting spring 28 are supported on the two clamping arms under the action of elastic force. One end of the adjusting column 27 is threadedly connected with one of the clamping arms, and the other end of the adjusting column 27 passes through the hole opened in the other clamping arm. An adjusting hand rod 32 is installed on the adjusting column 27. When the two clamping arms are rotated by rotating the adjusting column 27, the gap 26 at one end of the two clamping arms is tightened to clamp the wire terminal. This clamping form is similar to the form of scissors clamping, so as to ensure the reliability of clamping. The clamping arm and the wire terminal are clamped in surface contact to avoid breaking the wire terminal.

[0037] The wire terminal is formed by bending a metal conductive sheet, and includes a clamping area 1 and a connecting area 2. The clamping area 1 has a clamping groove 3, and the connecting area 2 has a wire insertion groove 4. One side of the wire insertion groove 4 is a limiting area 5, and the other side is an elastic support area 6. The clamping groove 3 is arranged horizontally, and the wire insertion groove 4 is arranged vertically. The upper end of the wire insertion groove 4 is limited by the clamping area 1.

[0038] The clamping area 1 is formed by the sheet 1 7, and the connecting area 2 is formed by the sheet 2 8. The connection between the sheet 1 7 and the sheet 2 8 forms a connecting inclined surface 9, and the sheet 1 7 and the sheet 2 8 form a height difference. Both sides of the sheet 1 7 are bent inwardly toward the middle to form a semicircular limiting cylinder 10, and the end surface of the limiting cylinder 10 forms an upper limit surface 11 of the plug-in slot 4. A notch 12 is opened in the middle of the sheet 2 8, and the notch 12 is located directly below the limiting cylinder 10. The edge of the notch 12 leads to an elastic sheet 13 in the notch 12. The elastic end surface of the elastic sheet 13 protrudes upward 19, and the height of the elastic end surface is higher than the height of the upper end surface of the sheet 1 7. The upper end surface of the elastic sheet 13 and the upper end surface of the sheet 1 7 are the lower limit surfaces of the plug-in slot 4;

[0039] The second piece 8 includes a main piece 14 and a transition piece 15, the notch 12, the elastic piece 13, the limiting cylinder 10 and the wire insertion slot 4 are arranged on the main piece 14, the transition piece 15 is connected to the connecting piece at one end, and the edge of the transition piece 15 connected to the main piece 14 is provided with a flange 16, the flange 16 transitions to the root of the limiting cylinder 10, and the flange 16 is arranged perpendicular to the transition piece 15; the limiting cylinder 10 includes a vertical piece part 17 at the root and a semicircular part 18 extending from the vertical piece part 17, the semicircular part 18 opens downward, and the flange 16 is connected to the vertical piece part 17 as a whole; the gap 26 is clamped at the position of the transition piece 15.

[0040] The shape of the clamp arm is U-shaped, and the clamp arm includes a connecting arm 33 connected to the connecting head 24, a clamping part 34, and a mounting part 35 connecting the connecting arm 33 and the clamping part 34, and the connecting arm 33 and the clamping part 34 are arranged in parallel; the outer side surface of the clamping part 34 near the slit 26 is an inclined surface, and the two clamping parts 34 form an avoidance groove 31 near the slit 26; a threaded hole 29 is provided on the mounting part 35 of one of the clamp arms, and a through hole 30 is provided on the mounting part 35 of the other clamp arm opposite to it, the connecting arms 33 of the two clamp arms are initially located on the same straight line, the clamping parts 34 of the two clamp arms are initially located on the same straight line, and the mounting parts 35 of the two clamp arms are arranged in parallel.

[0041] A slot is provided at the end of the connecting arm 33 of one clamp arm, and an insert is provided at the end of the connecting arm 33 of the other clamp arm. A socket is provided at the end of the connector 24. The insert is inserted into the slot. The insert and the slot are located inside the socket. The socket, the slot and the insert are connected by a pin shaft, and the two connecting arms 33 can rotate around the pin shaft.

[0042] The elastic sheet 13 is in the shape of a "V" with a protrusion 19 pointing upward. The upper end surface of the elastic sheet 13 is provided with a protrusion 19, and the protrusion 19 is located between the two limit tubes 10. An operating port 20 is opened in the middle of the sheet 17, and the fixed part 21 of the clamping area 1 is the rear side of the operating port 20. Extended edges 22 extend from both sides of the fixed part 21, and the cross-sectional shape formed by the extended edges 22 and the fixed part 21 is in the shape of a "V".

Claims

1. Motor lead terminal, characterized by: The wire terminal is formed by bending a metal conductive sheet, and comprises a clamping area (1) and a connecting area (2). The clamping area (1) has a clamping groove (3), and the connecting area (2) has a wire insertion groove (4). One side of the wire insertion groove (4) is a limiting area (5), and the other side is an elastic support area (6). The clamping groove (3) is arranged horizontally, and the wire insertion groove (4) is arranged vertically. The upper end of the wire insertion groove (4) is limited by the clamping area (1).

2. A motor lead terminal according to claim 1, characterized in that: The clamping area (1) is formed by the first sheet (7), and the connecting area (2) is formed by the second sheet (8). A connecting inclined surface (9) is formed at the connection between the first sheet (7) and the second sheet (8). The first sheet (7) and the second sheet (8) form a height difference. Both side edges of the first sheet (7) are bent inwardly toward the middle to form a semicircular limiting cylinder (10). The end surface of the limiting cylinder (10) forms an upper limit surface (11) of the plug-in slot (4). A notch (12) is provided in the middle of the second sheet (8). The notch (12) is located directly below the limiting cylinder (10). An elastic sheet (13) is extended from the edge of the notch (12) into the notch (12). The height of the elastic end surface of the elastic sheet (13) protruding upward (19) is higher than the height of the upper end surface of the first sheet (7). The upper end surface of the elastic sheet (13) and the upper end surface of the first sheet (7) are the lower limit surfaces of the plug-in slot (4).

3. A motor lead terminal according to claim 2, characterized in that: The second piece (8) comprises a main piece (14) and a transition piece (15), wherein the notch (12), the elastic piece (13), the limiting cylinder (10) and the wire insertion slot (4) are arranged on the main piece (14), one end (7) of the transition piece (15) is connected to the connecting piece, and the edge of the transition piece (15) at the connection with the main piece (14) is provided with a flange (16), the flange (16) transitions to the root of the limiting cylinder (10), and the flange (16) is arranged perpendicular to the transition piece (15); the limiting cylinder (10) comprises a vertical piece part (17) at the root and a semicircular part (18) extending from the vertical piece part (17), the semicircular part (18) opens downward, and the flange (16) is connected to the vertical piece part (17) as a whole.

4. A motor lead terminal according to claim 2, characterized in that: The elastic sheet (13) is in a "V" shape with a protrusion (19) pointing upwards. The upper end surface of the elastic sheet (13) is provided with a protrusion (19), and the protrusion (19) is located between the two limiting cylinders (10). An operating opening (20) is opened in the middle of the sheet (7), and the fixed portion (21) of the clamping area (1) is located behind the operating opening (20). Extended edges (22) extend from both sides of the fixed portion (21), and the cross-section formed by the extended edges (22) and the fixed portion (21) is in a "V" shape.

5. A motor lead terminal according to claim 2, characterized in that: A convex strip (121) is provided on the main piece (14) facing the limiting cylinder (10), the convex strip (121) protrudes on the front and back sides of the main piece (14), and the convex strip (121) is in the shape of a long strip. 6.MGU plug-in assembly test tool, characterized by: The plug-in assembly includes two motor lead terminals, which are connected by wires, and the lead terminals are the motor lead terminals described in claim 1; The two ends of the wire are pressed tightly in the clamping groove (3), and also include a clamping device. The number of the clamping devices is two and they are arranged at the two ends of the wire terminal respectively. The clamping device includes a mounting head (23) and a connecting head (24). Two clamping arms are installed on the connecting head (24). One end of the two clamping arms is hinged with the connecting head (24), and the other end is arranged opposite to each other and has a reserved clamping gap (26). An adjusting column (27) is installed on the clamping arm. The adjusting column (27) passes through the two clamping arms. A supporting spring (28) is sleeved on the adjusting column (27). The two ends of the supporting spring (28) are supported on the two clamping arms under the action of elastic force. One end of the adjusting column (27) is threadedly connected to one of the clamping arms, and the other end of the adjusting column (27) passes through a hole provided in the other clamping arm. An adjusting hand rod (32) is installed on the adjusting column (27). When the adjusting column (27) is rotated to drive the two clamping arms to rotate, the clamping gap (26) at one end of the two clamping arms is tightened to clamp the wire terminal.

7. The MGU wiring assembly test tool according to claim 5, characterized in that: The wire terminal is formed by bending a metal conductive sheet, and comprises a clamping area (1) and a connecting area (2); the clamping area (1) has a clamping groove (3), and the connecting area (2) has a wire insertion groove (4); one side of the wire insertion groove (4) is a limiting area (5), and the other side is an elastic support area (6); the clamping groove (3) is arranged horizontally, and the wire insertion groove (4) is arranged vertically; and the upper end of the wire insertion groove (4) is limited by the clamping area (1); The clamping area (1) is formed by the first sheet (7), and the connecting area (2) is formed by the second sheet (8). A connecting inclined surface (9) is formed at the connection between the first sheet (7) and the second sheet (8). The first sheet (7) and the second sheet (8) form a height difference. Both side edges of the first sheet (7) are bent inwardly toward the middle to form a semicircular limiting cylinder (10). The end surface of the limiting cylinder (10) forms an upper limit surface (11) of the plug-in slot (4). A notch (12) is provided in the middle of the second sheet (8). The notch (12) is located directly below the limiting cylinder (10). An elastic sheet (13) is extended from the edge of the notch (12) into the notch (12). The height of the elastic end surface of the elastic sheet (13) protruding upward (19) is higher than the height of the upper end surface of the first sheet (7). The upper end surface of the elastic sheet (13) and the upper end surface of the first sheet (7) are the lower limit surfaces of the plug-in slot (4). The second piece (8) comprises a main piece (14) and a transition piece (15), wherein the notch (12), the elastic piece (13), the limiting cylinder (10) and the wire insertion slot (4) are arranged on the main piece (14), one end (7) of the transition piece (15) is connected to the connecting piece, and the edge of the transition piece (15) at the connection with the main piece (14) is provided with a flange (16), the flange (16) transitions to the root of the limiting cylinder (10), and the flange (16) is arranged perpendicular to the transition piece (15); the limiting cylinder (10) comprises a vertical piece part (17) at the root and a semicircular part (18) extending from the vertical piece part (17), the semicircular part (18) opens downward, and the flange (16) is connected to the vertical piece part (17) as a whole; the clamping slit (26) is clamped at the position of the transition piece (15).

8. The MGU wiring assembly test tool according to claim 5, characterized in that: The clamp arm is in a U-shape, comprising a connecting arm (33) connected to the connecting head (24), a clamping portion (34), and a mounting portion (35) connecting the connecting arm (33) and the clamping portion (34), wherein the connecting arm (33) and the clamping portion (34) are arranged in parallel; the outer side surface of one end of the clamping portion (34) close to the clamping slit (26) is an inclined surface, and an avoidance groove (31) is formed near the clamping slit (26) on the two clamping portions (34); a threaded hole (29) is provided on the mounting portion (35) of one of the clamping arms, and a through hole (30) is provided on the mounting portion (35) of the other clamping arm opposite thereto; the connecting arms (33) of the two clamping arms are initially located on the same straight line, the clamping portions (34) of the two clamping arms are initially located on the same straight line, and the mounting portions (35) of the two clamping arms are arranged in parallel.

9. The MGU wiring assembly test tool according to claim 7, characterized in that: A slot is provided at the end of a connecting arm (33) of one clamp arm, an insert is provided at the end of a connecting arm (33) of the other clamp arm, a socket is provided at the end of a connector (24), the insert is inserted into the slot, the insert and the slot are located inside the socket, the socket, the slot and the insert are connected by a pin shaft, and the two connecting arms (33) can rotate around the pin shaft.

10. The MGU wiring assembly test tool according to claim 6, characterized in that: The elastic sheet (13) is in a "V" shape with a protrusion (19) pointing upwards. The upper end surface of the elastic sheet (13) is provided with a protrusion (19), and the protrusion (19) is located between the two limiting cylinders (10). An operating opening (20) is opened in the middle of the sheet (7), and the fixed portion (21) of the clamping area (1) is located behind the operating opening (20). Extended edges (22) extend from both sides of the fixed portion (21), and the cross-section formed by the extended edges (22) and the fixed portion (21) is in a "V" shape.