Pull-back detection device for connector terminal wire harness

Abstract

The invention discloses a pull-back detection device for a connector terminal wire harness, and relates to the technical field of wire harness manufacturing, the pull-back detection device comprises a pull-back assembly, a first butt joint assembly and a second butt joint assembly, the outer end of the pull-back assembly is provided with a connecting rod, and the outer side of the top of the connecting rod is connected with the first butt joint assembly; the inner side of the first butt joint assembly is provided with a connector terminal head, the outer side of the bottom of the connector terminal head is connected with a connector terminal wire, and the outer end of the pull-back assembly is connected with a second butt joint assembly. After the conductive needle is inserted into the connector terminal wire, current can be released to the interior of the connector terminal wire, the connector terminal head is in butt joint with the conduction seat, the conduction seat can sense the magnitude of current, and after pull-back detection of the connector terminal wire harness is completed, if the connector terminal head and the connector terminal wire are not separated, the connector terminal wire cannot be separated from the connector terminal wire. A worker can judge whether internal damage exists in the connector terminal wire harness in the pull-back detection process by judging whether the conduction seat can detect the current or not.

Description

Technical Field

[0001] The invention relates to the technical field of wire harness manufacturing, in particular to a pull-back detection device for a connector terminal wire harness. Background Art

[0002] During the wiring harness manufacturing process, the connection quality between the terminal and the wiring harness directly affects the electrical performance and service life. Traditional detection methods usually rely on manual pressure testing, which has the problems of low efficiency and unstable detection results. To address this problem, a pullback detection device for connector terminal harnesses has appeared on the market, which can perform automated pressure detection on the connection between the terminal and the harness to ensure a firm connection, reduce manual operations, and improve detection efficiency and reliability.

[0003] The pullback detection device for connector terminal harnesses commonly found on the market has the problem of slow and complicated harness fixing speed during use. Because the harness has a certain resilience and is not straight, during the process of fixing the harness, the harness needs to be straightened and kept in a straight state before the pullback detection can be performed to prevent the harness from being pulled insufficiently and affecting the detection accuracy. However, the operation of straightening the harness and keeping it straight is relatively complicated, and the harness is also easily damaged by excessive force during the process. Even if the connector terminal harness is tested by batch sampling, the efficiency is extremely low.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a pull-back detection device for a connector terminal harness is proposed. Summary of the invention

[0005] The object of the present invention is to provide a pull-back detection device for a connector terminal harness to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pullback detection device for a connector terminal harness, comprising a pullback component, a first docking component and a second docking component, the outer end of the pullback component is provided with a connecting rod, and the top outer side of the connecting rod is connected to the first docking component, the inner side of the first docking component is provided with a connector terminal head, and the bottom outer side of the connector terminal head is connected to the connector terminal wire, the outer end of the pullback component is connected to the second docking component, the second docking component comprises a displacement seat, a magnetic suction plate, a pressure spring seat, a pressure sensing spring, an adsorption seat, a second docking seat, a second electric push rod, a second clamping seat and a conductive needle, magnetic suction plates are provided at both ends of the outer side of the displacement seat, and a pressure spring seat is provided on the inner side of the bottom of the displacement seat, a pressure sensing spring is provided inside the pressure spring seat, an adsorption seat is provided at the outer end of the magnetic suction plate, and a second docking seat is provided on the side of the adsorption seat away from the magnetic suction plate, a second electric push rod is provided at the outer end of the adsorption seat, and the output end of the second electric push rod is connected to the second clamping seat, and a conductive needle is provided on the inner side of the second clamping seat.

[0007] Furthermore, the pullback assembly includes a detection seat, a first pushing seat, an extension platform and a second pushing seat, the first pushing seat is arranged inside the detection seat, and an extension platform is arranged at the output end of the first pushing seat, and the second pushing seats are arranged on both sides of the bottom of the extension platform.

[0008] Furthermore, the extension platform is sleeve-connected with the detection seat, and the extension platform moves up and down along with the first pushing seat.

[0009] Furthermore, the first docking assembly includes a motor, a first docking seat, a first electric push rod, a first clamping seat and a conductive seat. The output end of the motor is provided with the first docking seat, and the bottom end of the first docking seat is provided with the first electric push rod. The output end of the first electric push rod is connected to the first clamping seat, and the conductive seat is provided at the bottom middle end of the first docking seat.

[0010] Furthermore, the motor drives the first docking seat to rotate, and the centers of the first docking seat and the conductive seat are located on the same vertical line.

[0011] Furthermore, the first electric push rod pushes the first clamping seat to clamp the connector terminal head, and the connector terminal head and the conductive seat are connected to each other.

[0012] Furthermore, the magnetic attraction plate is electromagnetically adsorbed and connected to the adsorption seat, and the displacement seat is elastically connected to the adsorption seat via a pressure spring seat.

[0013] Furthermore, the adsorption seat and the second docking seat are an integrated structure, and the centers of the second docking seat and the first docking seat are located on the same vertical line.

[0014] Furthermore, the second electric push rod pushes the second clamping seat to clamp the connector terminal wire, and when the second clamping seat clamps the connector terminal wire, the conductive needle is inserted into the interior of the connector terminal wire.

[0015] Furthermore, the conductive pin is electrically connected to the connector terminal wire, and the connector terminal wire is electrically connected to the conductive seat through the connector terminal head.

[0016] The present invention provides a pullback detection device for a connector terminal harness, which has the following beneficial effects: 1. The connector terminal head of the connector terminal harness of the present invention is inserted into the interior of the conductive seat, so that the connector terminal head can be docked with the conductive seat. At this time, the staff allows the connector terminal wire at the end of the connector terminal head to droop naturally. During the natural drooping of the connector terminal wire, it can pass through the through hole at the top of the displacement seat and enter the interior of the second docking seat. At this time, the first electric push rod works to drive the first clamping seat to move and clamp the connector terminal head, and the second electric push rod works to drive the second clamping seat to clamp the connector terminal wire. In the process of the first clamping seat clamping the connector terminal head, it can cooperate with the docking of the conductive seat and the connector terminal head to improve the clamping stability of the connector terminal head, which can reduce the probability of the connector terminal head loosening during the subsequent pull-back detection process, and in the process of the second clamping seat clamping the connector terminal wire, the conductive pin can be inserted into the interior of the connector terminal wire. Through the auxiliary positioning of the conductive pin, the connector terminal wire can be effectively prevented from loosening during the pull-back detection process. Through the above operations, the connector terminal harness can be quickly laid out while effectively ensuring the docking stability of the connector terminal harness and the equipment, which can effectively improve the detection efficiency of the equipment.

[0017] 2. The present invention works through the second pushing seat, which can drive the displacement seat to move downward. During the downward movement of the displacement seat, it can drive the second docking seat to move downward synchronously. During the downward movement of the second docking seat, the clamped connector terminal wire can be tightened. After the connector terminal wire is tightened, the second docking seat will not move downward with the displacement seat. At this time, when the displacement seat moves downward again, it will squeeze and contract the pressure spring seat, which makes the pressure sensing spring inside the pressure spring seat sense the pressure. Through this design, the equipment can clearly know whether the connector terminal wire is tightened, which can avoid the situation where the connector terminal wire is not tightened and starts to pull back for detection, which affects the detection accuracy.

[0018] 3. In the present invention, after the extension platform moves to the specified distance, the staff can determine whether the connector terminal harness is of qualified quality by judging whether the connector terminal head is separated from the connector terminal wire. In addition, after the conductive needle is inserted into the connector terminal wire, the current can be released into the connector terminal wire. The connector terminal head is docked with the conductive seat, and the conductive seat can sense the current. After the pull-back detection of the connector terminal harness is completed, if the connector terminal head and the connector terminal wire are not separated, the staff can also determine whether the connector terminal harness has internal problems during the pull-back detection process by judging whether the conductive seat can detect the current. Damage, through this design, the detection accuracy of the equipment can be further improved. In addition, during the pullback detection process, the conductive seat can detect the current in real time. If the displacement stroke of the extension table has not ended, the conductive seat cannot sense the current, and the equipment can terminate the subsequent detection process, which further improves the detection efficiency of the equipment. In addition, after the conductive seat detects that the current is qualified, the equipment can also drive the first docking seat to rotate by operating the motor to simulate the twisting between the connector terminal head and the connector terminal wire. This allows the equipment to simulate the actual daily use environment of the connector terminal harness, which improves the detection range of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional overall structural schematic diagram of a pullback detection device for a connector terminal harness of the present invention; Figure 2 It is a schematic structural diagram of a first docking assembly of a pullback detection device for a connector terminal harness of the present invention; Figure 3 It is a schematic structural diagram of a second docking assembly of a pullback detection device for a connector terminal harness of the present invention; Figure 4 It is a schematic structural diagram of a second clamping seat of a pullback detection device for a connector terminal harness of the present invention; Figure 5 It is a schematic diagram of the overall cross-sectional structure of a pullback detection device for a connector terminal harness of the present invention; Figure 6 The present invention is a schematic cross-sectional structural diagram of a second docking assembly of a pullback detection device for a connector terminal harness.

[0020] In the figure: 1. pull-back assembly; 101. detection seat; 102. first push seat; 103. extension platform; 104. second push seat; 2. connecting rod; 3. first docking assembly; 301. motor; 302. first docking seat; 303. first electric push rod; 304. first clamping seat; 305. conduction seat; 4. connector terminal head; 5. connector terminal wire; 6. second docking assembly; 601. displacement seat; 602. magnetic suction plate; 603. pressure spring seat; 604. pressure sensing spring; 605. adsorption seat; 606. second docking seat; 607. second electric push rod; 608. second clamping seat; 609. conductive needle. DETAILED DESCRIPTION

[0021] See also Figures 1 to 6 The present invention provides a technical solution: a pullback detection device for a connector terminal harness, comprising a pullback component 1, a first docking component 3 and a second docking component 6, wherein a connection rod 2 is arranged at the outer end of the pullback component 1, and the top outer side of the connection rod 2 is connected to the first docking component 3, a connector terminal head 4 is arranged on the inner side of the first docking component 3, and a connector terminal line 5 is connected to the bottom outer side of the connector terminal head 4, and the outer end of the pullback component 1 is connected to the second docking component 6, and the second docking component 6 comprises a displacement seat 601, a magnetic suction plate 602, a pressure spring seat 603, a pressure sensing spring 604, an adsorption seat 605, and a second docking seat 606. , a second electric push rod 607, a second clamping seat 608 and a conductive needle 609, magnetic plates 602 are arranged at both ends of the outer side of the displacement seat 601, and a pressure spring seat 603 is arranged on the inner side of the bottom of the displacement seat 601, and a pressure sensing spring 604 is arranged inside the pressure spring seat 603, an adsorption seat 605 is arranged at the outer end of the magnetic plate 602, and a second docking seat 606 is arranged on the side of the adsorption seat 605 away from the magnetic plate 602, a second electric push rod 607 is arranged at the outer end of the adsorption seat 605, and the output end of the second electric push rod 607 is connected to the second clamping seat 608, and a conductive needle 609 is arranged on the inner side of the second clamping seat 608.

[0022] See also Figures 1 to 6The pullback component 1 includes a detection seat 101, a first pushing seat 102, an extension platform 103 and a second pushing seat 104. The first pushing seat 102 is arranged inside the detection seat 101, and the output end of the first pushing seat 102 is provided with an extension platform 103, and the second pushing seats 104 are arranged on both sides of the bottom of the extension platform 103. The extension platform 103 is sleeved and connected with the detection seat 101, and the extension platform 103 moves up and down with the first pushing seat 102. The first docking component 3 includes a motor 301, a first docking seat 302, a first electric push rod 303, a first clamping seat 304 and a conductive seat 305. The output end of the motor 301 is provided with the first docking seat 302, and the bottom end of the first docking seat 302 is provided with the first electric push rod 303, the output end of the first electric push rod 303 is connected to the first clamping seat 304, and the bottom middle end of the first docking seat 302 is provided with a conductive seat 305. The motor 301 drives the first docking seat 3 02 rotates, and the centers of the first docking seat 302 and the conducting seat 305 are located on the same vertical line, the first electric push rod 303 pushes the first clamping seat 304 to clamp the connector terminal head 4, and the connector terminal head 4 and the conducting seat 305 dock with each other, the magnetic suction plate 602 is electromagnetically adsorbed and connected to the adsorption seat 605, and the displacement seat 601 is elastically connected to the adsorption seat 605 through the pressure spring seat 603, the adsorption seat 605 and the second docking seat 606 are an integrated structure, and the centers of the second docking seat 606 and the first docking seat 302 are located on the same vertical line, the second electric push rod 607 pushes the second clamping seat 608 to clamp the connector terminal wire 5, and when the second clamping seat 608 clamps the connector terminal wire 5, the conductive needle 609 is inserted into the connector terminal wire 5, the conductive needle 609 is electrically connected to the connector terminal wire 5, and the connector terminal wire 5 is electrically connected to the conducting seat 305 through the connector terminal head 4; The specific operation is as follows: the staff inserts the connector terminal head 4 of the connector terminal harness that needs to be spot-checked into the conductive seat 305, so that the connector terminal head 4 can be docked with the conductive seat 305. At this time, the staff allows the connector terminal wire 5 at the end of the connector terminal head 4 to droop naturally. During the natural sagging of the connector terminal wire 5, it can pass through the through hole at the top of the displacement seat 601 and enter the second docking seat 606. At this time, the first electric push rod 303 works to drive the first clamping seat 304 to displace and clamp the connector terminal head 4, and the second electric push rod 607 works to drive the second clamping seat 608 to clamp the connector terminal wire 5. During the process of the first clamping seat 304 clamping the connector terminal head 4, The docking of the conductive seat 305 and the connector terminal head 4 improves the clamping stability of the connector terminal head 4, which can reduce the probability of the connector terminal head 4 loosening during the subsequent pull-back detection process. In the process of the second clamping seat 608 clamping the connector terminal wire 5, the conductive pin 609 can be inserted into the inside of the connector terminal wire 5. The auxiliary positioning of the conductive pin 609 can effectively prevent the connector terminal wire 5 from loosening during the pull-back detection process. Through the above operations, the connector terminal harness can be quickly arranged while effectively ensuring the docking stability of the connector terminal harness and the equipment, which can effectively improve the detection efficiency of the equipment. After the connector terminal harness is fixed, the second pushing seat 104 works to drive the displacement seat 601 to move downward. During the downward movement of the displacement seat 601, the second docking seat 606 can be driven to move downward synchronously. During the downward movement of the second docking seat 606, the clamped connector terminal wire 5 can be tightened. After the connector terminal wire 5 is tightened, the second docking seat 606 will not move downward with the displacement seat 601. At this time, when the displacement seat 601 moves downward again, it will squeeze and contract the pressure spring seat 603, which allows the pressure sensing spring 604 inside the pressure spring seat 603 to sense the pressure. Through this design, the device can clearly know whether the connector terminal wire 5 is tightened, which can avoid the situation where the connector terminal wire 5 starts to pull back for detection when it is not tightened, which affects the detection accuracy. After the connector terminal wire 5 is tightened, it is energized through the magnetic suction plate 602, which can make the magnetic suction The plate 602 adsorbs the adsorption seat 605, which works through the first push seat 102 to bring the extension platform 103 into the detection seat 101. During the displacement process, the extension platform 103 can drive the second docking seat 606 to continue to move downward, thereby realizing the pull-back detection of the connector terminal harness. After the extension platform 103 moves to the specified distance, the staff can determine whether the connector terminal harness is of qualified quality by judging whether the connector terminal head 4 and the connector terminal wire 5 are separated. In addition, after the conductive needle 609 is inserted into the connector terminal wire 5, it can release current into the connector terminal wire 5. The connector terminal head 4 is docked with the conductive seat 305, and the conductive seat 305 can sense the current. After the pull-back detection of the connector terminal harness is completed,If the connector terminal head 4 is not separated from the connector terminal wire 5, the staff can also determine whether the connector terminal harness has internal damage during the pullback detection process by judging whether the conductive seat 305 can detect the current. Through this design, the detection accuracy of the equipment can be further improved. In addition, during the pullback detection process, the conductive seat 305 can detect the current in real time. If the displacement stroke of the extension platform 103 has not ended, the conductive seat 305 cannot sense the current, and the equipment can terminate the subsequent detection process, which further improves the detection efficiency of the equipment. In addition, after the conductive seat 305 detects that the current is qualified, the equipment can also drive the first docking seat 302 to rotate by operating the motor 301 to simulate the twisting between the connector terminal head 4 and the connector terminal wire 5. This allows the equipment to simulate the actual daily use environment of the connector terminal harness, which improves the detection range of the equipment.

[0023] In summary, when the pull-back detection device for the connector terminal harness is used, the staff first inserts the connector terminal head 4 of the connector terminal harness that needs to be spot-checked into the conductive seat 305, so that the connector terminal head 4 can be docked with the conductive seat 305. At this time, the staff naturally droops the connector terminal wire 5 at the end of the connector terminal head 4. During the natural drooping process, the connector terminal wire 5 can pass through the through hole at the top of the displacement seat 601 and enter the second docking seat 606. Then, the first electric push rod 303 works to drive the first clamping seat 304 to move and clamp the connector terminal head 4, and the second electric push rod 607 works to drive the second clamping seat 608 to clamp the connector terminal wire 5. In the process of the first clamping seat 304 clamping the connector terminal head 4, it can cooperate with the docking of the conductive seat 305 and the connector terminal head 4 to improve the clamping stability of the connector terminal head 4, which can reduce the probability of the connector terminal head 4 loosening during the subsequent pull-back detection process. In the process of the second clamping seat 608 clamping the connector terminal wire 5, the conductive needle 609 can be inserted into the inside of the connector terminal wire 5. Through the auxiliary positioning of the conductive needle 609, the connector terminal wire 5 can be effectively prevented from loosening during the pull-back detection process. Through the above operations, the connector terminal harness can be quickly laid out while effectively ensuring the docking stability of the connector terminal harness and the equipment, which can effectively improve the detection efficiency of the equipment; Then, after the connector terminal harness is fixed, the second pushing seat 104 works to drive the displacement seat 601 to move downward. During the downward movement of the displacement seat 601, the second docking seat 606 can be driven to move downward synchronously. During the downward movement of the second docking seat 606, the clamped connector terminal wire 5 can be tightened. After the connector terminal wire 5 is tightened, the second docking seat 606 will not move downward with the displacement seat 601. At this time, when the displacement seat 601 moves downward again, it will squeeze and contract the pressure spring seat 603, so that the pressure sensing spring 604 inside the pressure spring seat 603 can sense the pressure. Through this design, the device can clearly know whether the connector terminal wire 5 is tightened, which can avoid the situation where the connector terminal wire 5 starts to pull back for detection when it is not tightened, which affects the detection accuracy. Subsequently, after the connector terminal wire 5 is tightened, the magnetic suction plate 602 is energized, which enables the magnetic suction plate 602 to adsorb the adsorption seat 605. This can work through the first push seat 102, and can bring the extension platform 103 into the detection seat 101. During the displacement process, the extension platform 103 can drive the second docking seat 606 to continue to move downward, thereby realizing the pull-back detection of the connector terminal harness. After the extension platform 103 moves to the specified distance, the staff can determine whether the connector terminal harness is of qualified quality by judging whether the connector terminal head 4 is separated from the connector terminal wire 5. In addition, after the conductive needle 609 is inserted into the connector terminal wire 5, it can release current to the inside of the connector terminal wire 5. The terminal head 4 is connected to the conductive seat 305, and the conductive seat 305 can sense the current. After the pull-back detection of the connector terminal harness is completed, if the connector terminal head 4 and the connector terminal wire 5 are not separated, the staff can also determine whether the connector terminal harness has internal damage during the pull-back detection process by judging whether the conductive seat 305 can detect the current. Through this design, the detection accuracy of the equipment can be further improved. In addition, during the pull-back detection process, the conductive seat 305 can detect the current in real time. If the displacement stroke of the extension platform 103 is not completed, the conductive seat 305 cannot sense the current, and the equipment can terminate the subsequent detection process, which further improves the detection efficiency of the equipment; Finally, after the conductive socket 305 detects that the current is qualified, the device can also drive the first docking socket 302 to rotate by operating the motor 301, simulating the twisting between the connector terminal head 4 and the connector terminal wire 5. This enables the device to simulate the actual daily use environment of the connector terminal harness, thereby improving the detection range of the device.

[0024] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A pullback detection device for a connector terminal harness, characterized in that: The invention comprises a pullback component (1), a first docking component (3) and a second docking component (6), wherein the outer end of the pullback component (1) is provided with a connecting rod (2), and the top outer side of the connecting rod (2) is connected to the first docking component (3), the inner side of the first docking component (3) is provided with a connector terminal head (4), and the bottom outer side of the connector terminal head (4) is connected to a connector terminal line (5), the outer end of the pullback component (1) is connected to the second docking component (6), and the second docking component (6) comprises a displacement seat (601), a magnetic suction plate (602), a pressure spring seat (603), a pressure sensing spring (604), an adsorption seat (605), a second docking seat (606), a second electric push rod (607), and a second A clamping seat (608) and a conductive needle (609), magnetic plates (602) are arranged at both ends of the outer side of the displacement seat (601), and a pressure spring seat (603) is arranged on the inner side of the bottom of the displacement seat (601), and a pressure sensing spring (604) is arranged inside the pressure spring seat (603), an adsorption seat (605) is arranged at the outer end of the magnetic plate (602), and a second docking seat (606) is arranged on the side of the adsorption seat (605) away from the magnetic plate (602), a second electric push rod (607) is arranged at the outer end of the adsorption seat (605), and the output end of the second electric push rod (607) is connected to the second clamping seat (608), and a conductive needle (609) is arranged on the inner side of the second clamping seat (608).

2. A pull-back detection device for a connector terminal harness according to claim 1, characterized in that: The pull-back assembly (1) comprises a detection seat (101), a first pushing seat (102), an extension platform (103) and a second pushing seat (104); the first pushing seat (102) is arranged inside the detection seat (101), and the extension platform (103) is arranged at the output end of the first pushing seat (102); the second pushing seats (104) are arranged on both sides of the bottom of the extension platform (103).

3. A pull-back detection device for a connector terminal harness according to claim 2, characterized in that: The extension platform (103) is sleeve-connected with the detection seat (101), and the extension platform (103) moves up and down along with the first pushing seat (102).

4. A pull-back detection device for a connector terminal harness according to claim 1, characterized in that: The first docking assembly (3) comprises a motor (301), a first docking seat (302), a first electric push rod (303), a first clamping seat (304) and a conducting seat (305); the output end of the motor (301) is provided with the first docking seat (302), and the bottom end of the first docking seat (302) is provided with the first electric push rod (303); the output end of the first electric push rod (303) is connected to the first clamping seat (304), and the conducting seat (305) is provided at the bottom middle end of the first docking seat (302).

5. A pull-back detection device for a connector terminal harness according to claim 4, characterized in that: The motor (301) drives the first docking seat (302) to rotate, and the centers of the first docking seat (302) and the conductive seat (305) are located on the same vertical line.

6. A pull-back detection device for a connector terminal harness according to claim 4, characterized in that: The first electric push rod (303) pushes the first clamping seat (304) to clamp the connector terminal head (4), and the connector terminal head (4) and the conducting seat (305) are butted against each other.

7. A pull-back detection device for a connector terminal harness according to claim 1, characterized in that: The magnetic attraction plate (602) is connected to the adsorption seat (605) by electromagnetic adsorption, and the displacement seat (601) is elastically connected to the adsorption seat (605) via a pressure spring seat (603).

8. A pull-back detection device for a connector terminal harness according to claim 4, characterized in that: The adsorption seat (605) and the second docking seat (606) are an integrated structure, and the centers of the second docking seat (606) and the first docking seat (302) are located on the same vertical line.

9. A pull-back detection device for a connector terminal harness according to claim 1, characterized in that: The second electric push rod (607) pushes the second clamping seat (608) to clamp the connector terminal wire (5), and when the second clamping seat (608) clamps the connector terminal wire (5), the conductive needle (609) is inserted into the interior of the connector terminal wire (5).

10. A pull-back detection device for a connector terminal harness according to claim 4, characterized in that: The conductive needle (609) is electrically connected to the connector terminal wire (5), and the connector terminal wire (5) is electrically connected to the conductive seat (305) via the connector terminal head (4).

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