Terminal pressing structure and pressing jig of connecting line

Abstract

The utility model provides a terminal pressing structure and a pressing jig of a connecting wire, the terminal pressing structure of the connecting wire comprises a bearing base and a first movable pressing plate, the upper surface of the bearing base is provided with a terminal mounting groove, the terminal mounting groove comprises a pressing groove and a plurality of needle body accommodating grooves, and the needle body accommodating grooves are arranged in the pressing groove. The pin body containing grooves are used for containing metal contact pins to be welded, the multiple pin body containing grooves communicate with the pressing groove, and the pressing groove further communicates with the external environment. The surface of the bearing base is covered with the first movable pressing plate, one end of the first movable pressing plate is rotationally hinged to one end of the bearing base, and the first movable pressing plate is provided with a first pressing block in a protruding mode and embedded into the part of the pressing groove. The plurality of metal pins are fixedly welded by rotating the first movable pressing plate, so that the production efficiency of welding the connecting wire terminal is improved; the first pressing block presses the metal contact pin part and clamps the wire, so that the positions of the multiple metal contact pins are fixed at the same time, and the position deviation after the metal contact pins of the connecting wire terminal are welded is reduced.

Description

Technical Field

[0001] This disclosure relates to the technical field of automotive wiring harnesses, and in particular to a terminal clamping structure and clamping fixture for wiring harnesses. Background Technology

[0002] Automotive connectors are used to connect various electronic systems and components. One end of the connector has a terminal, and the connector contains multiple wires. The terminal has multiple metal pins, which are soldered tightly to the wires of the connector.

[0003] During welding, the installation positions of multiple metal pins may wobble and the metal pins of the connecting terminal may deform after welding, causing positional deviations between the multiple metal pins and thus affecting the production quality of the connecting terminal.

[0004] For example, CN201721378335.2 discloses a multi-wire welding terminal, including a terminal base and a terminal cavity. A connecting terminal is embedded in the terminal cavity, and a through hole is provided at the bottom of the terminal cavity. The connecting terminal includes a crimping cylinder and a welding pin. The crimping cylinder has a wire connection cavity, and a stop protrusion is provided on the inner wall of the terminal cavity. A pressed check groove is provided at the end of the welding pin extending out of the through hole. An anti-slip ring is provided on the upper edge of the check groove, and the outer diameter of the anti-slip ring is larger than the outer diameter of the through hole. The top surface of the anti-slip ring fits against the bottom of the terminal base. A conductor of the wire body is crimped into the wire connection cavity of the crimping cylinder. This design pre-fixes the crimped connecting terminal through the terminal base, and during welding, the welding pin of the connecting terminal is directly inserted into the welding hole for welding, eliminating the need for wire threading. However, in this design, the multiple welding pins are not limited and fixed, leading to deviations between the multiple welding pins during welding, thus affecting the production quality of the connecting terminal. Utility Model Content

[0005] The purpose of this disclosure is to overcome the shortcomings of the prior art and to provide a terminal clamping structure and clamping fixture for connecting wires that can quickly fix terminals and reduce post-welding deviations.

[0006] The purpose of this disclosure is achieved through the following technical solution:

[0007] A terminal clamping structure for a connecting wire includes a support base and a first movable pressure plate. The surface of the support base is provided with a terminal mounting groove. The terminal mounting groove includes a clamping groove and a plurality of pin receiving grooves. The pin receiving grooves are used to place metal pins to be soldered. The plurality of pin receiving grooves are connected to the clamping groove. The clamping groove is also connected to the external environment.

[0008] The first movable pressure plate is covered on the surface of the bearing base. One end of the first movable pressure plate is rotatably hinged to one end of the bearing base. The first movable pressure plate has a first pressing block protruding from it, and the first pressing block is embedded in part of the pressing groove.

[0009] In one embodiment, the terminal mounting groove further includes a limiting groove that communicates with the pin receiving groove and is used to limit the protrusion of the metal pin.

[0010] In one embodiment, the bearing base has a positioning groove, and the first movable pressure plate has a positioning protrusion, which is adapted to be embedded in the positioning groove.

[0011] In one embodiment, the inner wall of the support base with the positioning groove has an inner inclined surface, and the positioning protrusion has a corresponding outer inclined surface.

[0012] In one embodiment, the terminal clamping structure of the connecting wire further includes a rotating shaft. The bearing base is provided with a first rotating connecting block. The first rotating connecting block has a first connecting hole. One end of the first movable pressure plate has a second connecting hole. One end of the first movable pressure plate also has a relief groove that communicates with the second connecting hole. The first rotating connecting block is embedded in the relief groove. The rotating shaft passes through the second connecting hole and the first connecting hole.

[0013] In one embodiment, the end of the first movable pressure plate opposite to the first rotating connecting block is provided with a clearance groove.

[0014] In one embodiment, the end of the first movable pressure plate adjacent to the first rotating connecting block and the transition point of the first movable pressure plate adjacent to the bearing base form an arc-shaped structure.

[0015] In one embodiment, the terminal clamping structure of the connecting wire further includes a second movable pressure plate. The number of terminal mounting slots is multiple, and the multiple terminal mounting slots are spaced apart on the surface of the bearing base. The second movable pressure plate is rotatably hinged to the other end of the bearing base. The second movable pressure plate covers the corresponding terminal mounting slot. The second movable pressure plate and the first movable pressure plate are symmetrically arranged along the center of the upper surface of the bearing base.

[0016] In one embodiment, the support base is further provided with two second rotating blocks on the side away from the first movable plate. The two second rotating blocks are respectively provided at both ends of the support base, and a plurality of terminal mounting slots are provided at intervals on the surface of the support base away from the first movable plate.

[0017] A clamping fixture includes the terminal clamping structure for the connecting wire described in any of the above embodiments.

[0018] Compared with the prior art, this disclosure has at least the following advantages:

[0019] The aforementioned terminal clamping structure for the connecting wire allows for the rapid covering of the bearing base by rotating the first movable pressure plate. The operation of the first movable pressure plate clamping the metal pins is simple, enabling the quick fixing and welding of multiple metal pins, thus improving the production efficiency of connecting wire terminal welding. By clamping the metal pin portion with the first clamping block, the metal pins clamp the wires, simultaneously fixing the positions of multiple metal pins. This ensures the relative position stability of multiple metal pins and wires during the welding process, reducing positional deviations of the metal pins after welding of the connecting wire terminals, thereby improving the welding quality of the connecting wire terminals. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this disclosure and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the terminal clamping structure of a connecting wire according to one embodiment;

[0022] Figure 2 for Figure 1 Another schematic diagram of the terminal clamping structure of the connecting wire shown;

[0023] Figure 3 for Figure 1 An exploded view of the terminal clamping structure of the connecting wire shown. Detailed Implementation

[0024] To facilitate understanding of this disclosure, a more complete description will be given below with reference to the accompanying drawings, which illustrate preferred embodiments of the present disclosure. However, this disclosure can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] To better understand the technical solutions and beneficial effects of this disclosure, the following detailed description is provided in conjunction with specific embodiments:

[0028] like Figures 1 to 3 As shown, this is a terminal clamping structure 10 for a connecting wire according to an embodiment of the present disclosure. It includes a support base 100 and a first movable pressure plate 200. The surface of the support base 100 is provided with a terminal mounting groove 101. The terminal mounting groove 101 includes a clamping groove 102 and a plurality of pin receiving grooves 103. The pin receiving grooves 103 are used to place metal pins to be soldered. The plurality of pin receiving grooves 103 are connected to the clamping groove 102. The clamping groove 102 is also connected to the external environment. The soldering part of the metal pin is located in the external environment.

[0029] Furthermore, the first movable pressure plate 200 covers the surface of the bearing base 100, one end of the first movable pressure plate 200 is rotatably hinged to one end of the bearing base 100, the first movable pressure plate 200 is provided with a first pressing block 210, the first pressing block 210 is embedded in part of the pressing groove 102, and the first pressing block 210 is used to press the part of the metal pin.

[0030] In this embodiment, the terminals of the connecting wire need to be soldered to the wires of the connecting wire. The metal pin has a wire receiving hole. First, one end of the wire is inserted into the wire receiving hole. The portions of multiple metal pins are limited and installed in the corresponding pin receiving grooves 103, so that the position of the metal pins is initially fixed. The first movable pressure plate 200 is rotated so that the first movable pressure plate 200 is quickly covered on the bearing base 100. The first movable pressure plate 200 is pressed by the lifting and pressing device. The first pressing block 210 presses the portion of the metal pin located in the pressing groove 102. The portion of the metal pin clamps the portion of the wire and fixes the multiple metal pins. Then, the soldering portion of the metal pin in the external environment is soldered.

[0031] The aforementioned terminal clamping structure 10 of the connecting wire can quickly cover the bearing base 100 by rotating the first movable pressure plate 200. The operation of the first movable pressure plate 200 clamping the metal pins is simple and can quickly fix and weld multiple metal pins, improving the production efficiency of connecting wire terminal welding. By clamping the metal pin part with the first clamping block 210, the metal pin clamps the wire, so that the position between multiple metal pins is fixed at the same time, ensuring the relative position stability of multiple metal pins and wires during the welding process, reducing the position deviation of the metal pins of the connecting wire terminal after welding, thereby improving the welding quality of the connecting wire terminal.

[0032] like Figure 2 As shown, in one embodiment, the terminal mounting groove 101 further includes a limiting groove 104, which is connected to the pin receiving groove 103. The limiting groove 104 is used to limit the protrusion of the metal pin. In this embodiment, the limiting groove 104 limits the protrusion of the metal pin, so that the metal pin is fixed in the position of the pin receiving groove 103, making the relative position between the metal pins accurate, thereby improving the welding quality of the multiple metal pins of the connecting wire terminal; the pin receiving groove 103, the clamping groove 102 and the limiting groove 104 of the terminal mounting groove 101 structure fit more tightly and reasonably with the metal pin, enhancing the stability of the entire terminal clamping structure 10 of the connecting wire.

[0033] like Figure 2As shown, in one embodiment, the supporting base 100 has a positioning groove 105, and the first movable pressure plate 200 has a positioning protrusion 220, which is adapted to be embedded in the positioning groove 105. In this embodiment, the positioning protrusion 220 is adapted to be embedded in the positioning groove 105, so that a precise positioning fit is formed between the first movable pressure plate 200 and the supporting base 100, ensuring that the first movable pressure plate 200 can accurately reach the predetermined closing position, so that the first clamping block 210 can accurately clamp the metal pin portion located in the clamping groove 102, further enhancing the structural stability between the first movable pressure plate 200 and the supporting base 100.

[0034] like Figure 2 As shown, in one embodiment, the inner wall of the positioning groove 105 of the bearing base 100 has an inner inclined surface 110, and the positioning protrusion 220 has a corresponding outer inclined surface 221. In this embodiment, due to the presence of the inclined surface, during rotation, the outer inclined surface 221 of the positioning protrusion 220 slides along the inner inclined surface 110 of the inner wall of the positioning groove 105. When the first movable pressure plate 200 rotates and covers the bearing base 100, the inner inclined surface 110 of the inner wall of the positioning groove 105 guides the positioning protrusion 220 to slide into the positioning groove 105, so that the first movable pressure plate 200 can move more smoothly and accurately toward the closing position. The complete fit between the inclined surfaces makes the cooperation between the positioning protrusion 220 and the positioning groove 105 tighter, further improving the positioning accuracy.

[0035] like Figure 3 As shown, in one embodiment, the terminal clamping structure 10 of the connecting wire further includes a rotating shaft 300. The bearing base 100 is provided with a first rotating connecting block 120. The first rotating connecting block 120 has a first connecting hole 1201. One end of the first movable pressure plate 200 has a second connecting hole 201. One end of the first movable pressure plate 200 also has a relief groove 202 that communicates with the second connecting hole 201. The first rotating connecting block 120 is embedded in the relief groove 202. The rotating shaft 300 passes through the second connecting hole 201 and the first connecting hole 1201. In this embodiment, the first movable pressure plate 200 rotates around the rotating shaft 300. The first rotating connecting block 120 is embedded in the clearance groove 202 to avoid interference during rotation and ensure the smoothness of rotation. This allows the first movable pressure plate 200 to fit and cover the bearing base 100, making the terminal clamping structure 10 of the entire connecting line more compact. The rotating shaft 300 can be replaced as an independent component, reducing maintenance costs.

[0036] like Figure 2As shown, in one embodiment, the first movable pressure plate 200 has a clearance groove 203 at the end opposite to the first rotating connecting block 120. The clearance groove 203 is used to separate the first movable pressure plate 200 from the bearing base 100. In this embodiment, the clearance groove 203 is used to separate the first movable pressure plate 200 from the bearing base 100. The clearance groove 203 provides a space for leverage, making the operation of opening the first movable pressure plate 200 more convenient and labor-saving, thus improving the efficiency and convenience of operation.

[0037] like Figure 1 As shown, in one embodiment, an arc-shaped structure is formed at the transition point between the first movable pressure plate 200 adjacent to the first rotating connecting block 120 and the first movable pressure plate 200 adjacent to the bearing base 100. In this embodiment, when the first movable pressure plate 200 rotates about the rotation axis 300, the arc-shaped structure reduces the interference and friction that may occur between the first movable pressure plate 200 and the bearing base 100 or other components during rotation, making the rotation process smoother.

[0038] like Figure 2 As shown, in one embodiment, the terminal clamping structure 10 of the connecting wire further includes a second movable pressure plate 400. The number of terminal mounting slots 101 is multiple, and the multiple terminal mounting slots 101 are spaced apart on the surface of the bearing base 100. The second movable pressure plate 400 is rotatably hinged to the other end of the bearing base 100. The second movable pressure plate 400 covers the corresponding terminal mounting slot 101. The second movable pressure plate 400 and the first movable pressure plate 200 are symmetrically arranged along the center of the surface of the bearing base 100. In this embodiment, the terminal clamping structure 10 of the connecting wire is equipped with a second movable pressure plate 400 and multiple terminal mounting slots 101, so that the terminal clamping structure 10 of the connecting wire can simultaneously clamp multiple metal pins of the connecting wire terminal for welding. The first movable pressure plate 200 and the second movable pressure plate 400 are symmetrically arranged. The first movable pressure plate 200 and the second movable pressure plate 400 are loosened and tightened respectively by the lifting and clamping device, so that the operator can simultaneously or alternately perform clamping and welding operations on the connecting wire terminals in two areas, reducing operation steps and time, and improving overall production efficiency. The bearing base 100 is correspondingly provided with a first rotating connecting block 120, and the second movable pressure plate 400 is provided with a corresponding rotating hole and a clearance slot, and the rotating shaft passes through the corresponding rotating hole and clearance slot.

[0039] like Figure 1 and Figure 3As shown, in one embodiment, the support base 100 is further provided with two second rotating connecting blocks 130 on the side opposite to the first movable plate 200. The two second rotating connecting blocks 130 are respectively disposed at both ends of the support base 100, and a plurality of terminal mounting slots 101 are spaced apart on the surface of the support base 100 opposite to the first movable plate 200. In this embodiment, the second rotating connecting blocks 130 can be used to fix the support base 100, and the first rotating connecting block 120 can also be used to fix the support base 100. When the first rotating connecting block 120 is used to fix the support base 100, the second rotating connecting block 130 can be used to install the first movable pressure plate 200 and the second movable pressure plate 400. Terminal mounting slots 101 are provided on both the upper and lower surfaces of the support base 100, and both the upper and lower surfaces of the support base 100 can be used to install the terminals of the connecting wires for welding, reducing the maintenance work of the support base 100 and thus improving the space utilization of the support base 100. Furthermore, the terminal mounting grooves 101 on both sides of each of the bearing bases 100 have different specifications, so that the terminal clamping structure 10 of the connecting wire can adapt to the installation requirements of different types and specifications of connecting wire terminals, thereby improving the versatility and adaptability of the terminal clamping structure 10 of the connecting wire.

[0040] In one embodiment, the terminal clamping structure 10 of the connecting wire described in any of the above embodiments is included. In this embodiment, the terminal clamping structure 10 of the connecting wire enables the clamping fixture to quickly clamp multiple metal pins for welding, reducing the positional deviation between the multiple metal pins and thus improving the welding quality of the connecting wire terminals.

[0041] Compared with the prior art, this disclosure has at least the following advantages:

[0042] The aforementioned terminal clamping structure 10 of the connecting wire can quickly cover the bearing base 100 by rotating the first movable pressure plate 200. The operation of the first movable pressure plate 200 clamping the metal pins is simple and can quickly fix and weld multiple metal pins, improving the production efficiency of connecting wire terminal welding. By clamping the metal pin part with the first clamping block 210, the metal pin clamps the wire, so that the position between multiple metal pins is fixed at the same time, ensuring the relative position stability of multiple metal pins and wires during the welding process, reducing the position deviation of the metal pins of the connecting wire terminal after welding, thereby improving the welding quality of the connecting wire terminal.

[0043] The embodiments described above are merely illustrative of several implementations of this disclosure, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the disclosed patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this disclosure, and these all fall within the protection scope of this disclosure. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A terminal clamping structure for a connecting wire, characterized in that, The device includes a support base and a first movable pressure plate. The surface of the support base is provided with a terminal mounting groove. The terminal mounting groove includes a clamping groove and a plurality of pin receiving grooves. The pin receiving grooves are used to place metal pins to be soldered. The plurality of pin receiving grooves are connected to the clamping grooves. The clamping grooves are also connected to the external environment. The first movable pressure plate is covered on the surface of the bearing base. One end of the first movable pressure plate is rotatably hinged to one end of the bearing base. The first movable pressure plate is provided with a first pressing block, which is embedded in the pressing groove. The terminal mounting groove further includes a limiting groove, which communicates with the pin receiving groove and is used to limit the protrusion of the metal pin; the bearing base has a positioning groove, and the first movable pressure plate has a positioning protrusion that is fitted into the positioning groove; the inner wall of the positioning groove on the bearing base has an inner inclined surface, and the positioning protrusion has a corresponding outer inclined surface; the terminal clamping structure of the connecting wire further includes a rotating shaft, the bearing base has a first rotating connecting block, the first rotating connecting block has a first connecting hole, one end of the first movable pressure plate has a second connecting hole, and one end of the first movable pressure plate also has a clearance groove communicating with the second connecting hole. The first rotating connecting block is fitted into the clearance groove, and the rotating shaft passes through the second connecting hole and the first connecting hole; the first movable pressure plate is away from the first rotating connecting block. One end of the connecting block is provided with a clearance groove; the transition between the end of the first movable pressure plate adjacent to the first rotating connecting block and the transition point of the first movable pressure plate adjacent to the bearing base forms an arc surface structure; the terminal clamping structure of the connecting wire also includes a second movable pressure plate, and there are multiple terminal mounting slots, which are spaced apart on the surface of the bearing base. The second movable pressure plate is rotatably hinged to the other end of the bearing base, and the second movable pressure plate covers the corresponding terminal mounting slot. The second movable pressure plate and the first movable pressure plate are symmetrically arranged along the center of the surface of the bearing base; two second rotating connecting blocks are also provided on the side of the bearing base away from the first movable pressure plate, and the two second rotating connecting blocks are respectively provided at both ends of the bearing base. Multiple terminal mounting slots are spaced apart on the surface of the bearing base away from the first movable pressure plate.

2. A clamping fixture, characterized in that, Includes the terminal clamping structure for the connecting wire as described in claim 1.

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