PCB wire harness structure for electric ship battery

Abstract

The utility model relates to the technical field of wire harness structures, in particular to a PCB wire harness structure for an electric ship battery. The wire harness comprises a wire harness body, connecting terminals and a push-pull mechanism, the wire harness body comprises a plurality of sets of cables arranged side by side, the connecting terminals are arranged at the two ends of the wire harness body, each connecting terminal comprises a shell, a front cover and a tail cover, the front cover and the tail cover are arranged on the two sides of the shell respectively, a fixing assembly used for elastically fixing the cables is arranged in the shell, and the push-pull mechanism is arranged on the shell. According to the utility model, the push-pull mechanism is arranged in the shell of the connecting terminal at the two ends of the wire harness, so that in the plugging process, the thumb of a single hand pushes the push block, the push block drives the toothed plate to move through the sliding block, the toothed plate is meshed with the gear to drive the transverse shaft to rotate, and the two elastically pressed propping plates are propped open through the double-end cam when the transverse shaft rotates; and at the moment, the cable can be inserted between the two pressing plates through the through hole of the tail cover, so that the convenience between the wiring harness body and the connecting terminal is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harness structures, in particular to a PCB wire harness structure for an electric ship battery. Background Technique

[0002] An electric ship refers to a ship that uses an electric motor as the main power source. Different from traditional internal combustion engine ships, electric ships mainly rely on a power storage system to provide power, and the battery is an important part of the power storage system. It usually includes a main circuit board and a wire harness structure. The main circuit board, i.e., the PCB board, carries the main circuits of the battery management system, and the wire harness structure is used to connect each monomer of the battery and transmit current and voltage signals.

[0003] In order to improve the convenience of its connection, the existing wire harness structure is usually equipped with connection terminals at both ends, and elastic cards or clips are usually arranged inside the connection terminals. These clips apply appropriate pressure to the wire to firmly fix it inside the terminal. However, when actually assembling the cable and the connection terminal, the clips on it are in an elastically closed state, resulting in the need to use tools to open the clips in advance during the assembly process, and the operation is rather troublesome. Content of the Utility Model

[0004] Aiming at the problems in the background technique, a PCB wire harness structure for an electric ship battery is proposed. A push-pull mechanism is arranged inside the shell of the connection terminal at both ends of the wire harness, so that during the plugging process, two elastically pressed pressure plates can be separated. At this time, the cable can be inserted between the two pressure plates through the through hole of the end cap, which improves the convenience of assembling the wire harness body and the connection terminal.

[0005] The utility model proposes a PCB wire harness structure for an electric ship battery, including

[0006] A wire harness body, which includes multiple groups of cables arranged side by side;

[0007] Connection terminals, arranged at both ends of the wire harness body, which include a shell, a front cover and an end cap. The front cover and the end cap are respectively arranged on both sides of the shell, and a fixing component for elastically fixing the cable is arranged inside the shell; and

[0008] A push-pull mechanism, which is arranged on the shell and is used to drive the fixing component to release the elastic limit on the cable when installing the connection terminal.

[0009] Preferably, a plug-in part is integrally formed on the front cover, and a plurality of metal conductors passing through the plug-in part are horizontally arranged through the front cover, which are used to dock with the cable during connection.

[0010] Preferably, a plurality of through holes are opened on the end cap, which are used for the cable to pass through when wiring the cable.

[0011] Preferably, the fixing component includes guide posts, pressing plates and compression springs. There are two groups of guide posts, symmetrically arranged at both ends of the inner wall of the housing. Two pressing plates are slidably arranged between the two groups of guide posts. Compression springs sleeved on the guide posts are abutted against the outer sides of the two pressing plates facing away from each other.

[0012] Preferably, a plurality of arc grooves that fit the outer wall of the cable are formed on the opposite sides of the two pressing plates, and the corresponding two arc grooves form a channel for the cable to pass through.

[0013] Preferably, the pushing and pulling mechanism includes a horizontal shaft, a double-headed cam, a gear, a toothed plate, a slider and a push block. A vertical plate is installed on the inner top wall of the housing. The horizontal shaft is rotatably penetrated through the vertical plate. One end of the horizontal shaft is connected with the double-headed cam. The double-headed cam is located between the two pressing plates. The other end of the horizontal shaft is connected with the gear;

[0014] A through groove is formed in the top of the housing. A slider is slidably arranged in the through groove. A push block is connected to the top of the slider. A toothed plate is connected to the bottom of the slider. The toothed plate is meshed with the gear.

[0015] Through the above technical solution, that is, the PCB wire harness mechanism disclosed by the present utility model, a pushing and pulling mechanism is arranged in the housing of the connection terminals at both ends of the wire harness. With the cooperation of the horizontal shaft, the double-headed cam, the gear, the toothed plate, the slider and the push block, during the insertion process, the thumb of one hand pushes the push block. The push block drives the toothed plate to move through the slider. The toothed plate meshes with the gear to drive the horizontal shaft to rotate. When the horizontal shaft rotates, the two elastically pressed pressing plates are pushed open by the double-headed cam. At this time, the cable can be inserted between the two pressing plates through the through hole of the end cover, improving the convenience of assembling the wire harness body and the connection terminal.

[0016] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of a PCB wire harness for an electric ship battery according to the present utility model;

[0018] Figure 2 It is Figure 1 a partial split structural diagram of the connection terminal;

[0019] Figure 3 It is Figure 2 a schematic side sectional structure diagram of the housing;

[0020] Figure 4 It is Figure 3 a schematic rear view structure diagram.

[0021] Reference numerals: 1, cable; 2, housing; 3, front cover; 4, end cover; 5, plug-in part; 6, metal conductor; 7, through hole; 8, guide post; 9, pressing plate; 10, compression spring; 11, horizontal shaft; 12, double-headed cam; 13, gear; 14, toothed plate; 15, slider; 16, push block; 17, through groove. Detailed implementation manners

[0022] The following will describe in detail the specific implementation manners of the present disclosure with reference to the accompanying drawings. It should be understood that the specific implementation manners described herein are only for explaining and interpreting the present disclosure, and are not used to limit the present disclosure.

[0023] Embodiment 1

[0024] As Figures 1-4 shown, a PCB wiring harness structure for an electric ship battery proposed by the present utility model includes a wiring harness body, connection terminals and a push-pull mechanism. The wiring harness body includes multiple groups of cables 1 arranged side by side, and connection terminals are provided at both ends thereof. The connection terminals include a housing 2, a front cover 3 and an end cover 4. The front cover 3 and the end cover 4 are respectively arranged on both sides of the housing 2. A fixing component for elastically fixing the cable 1 is arranged inside the housing 2, and a push-pull mechanism for driving the fixing component to release the elastic limit on the cable 1 when installing the connection terminal is arranged on the housing 2.

[0025] As Figure 1 shown, a plug-in part 5 is integrally formed on the front cover 3, and multiple metal conductors 6 penetrating through the plug-in part 5 are horizontally arranged on the front cover 3, which are used for docking with the cable 1 during connection.

[0026] As Figure 2 shown, multiple through holes 7 are opened on the end cover 4, which are used for the cable 1 to pass through when wiring the cable 1.

[0027] Among them, both the front cover 3 and the end cover 4 are fixed to both sides of the housing 2 by welding.

[0028] As Figure 3 shown, the fixing component includes guide posts 8, pressing plates 9 and compression springs 10. There are two groups of guide posts 8, which are symmetrically arranged at both ends of the inner wall of the housing 2. Two groups of pressing plates 9 are slidably arranged between the two groups of guide posts 8, and compression springs 10 sleeved on the guide posts 8 are abutted against one side of each of the two groups of pressing plates 9 facing away from each other.

[0029] As Figure 3 shown, multiple groups of arc-shaped grooves that fit the outer wall of the cable 1 are opened on one side of each of the two groups of pressing plates 9 facing each other, and the corresponding two groups of arc-shaped grooves form a channel for the cable 1 to pass through.

[0030] In this embodiment, a compressive spring 10 applies a force towards each other to two pressing plates 9, causing the two pressing plates 9 to move towards each other along the guiding columns until the cable 1 is elastically fixed in the channel, reducing the probability of the cable 1 detaching.

[0031] Embodiment 2

[0032] As Figures 1-4 shown, a PCB wire harness structure for an electric ship battery proposed by the present utility model, on the basis of the above embodiment, this embodiment also details the specific components of the push-pull mechanism and its specific operation method during the process of inserting and connecting the cable.

[0033] As Figure 3 and Figure 4 shown, the push-pull mechanism includes a horizontal shaft 11, a double-headed cam 12, a gear 13, a toothed plate 14, a slider 15, and a push block 16. A vertical plate is installed on the inner top wall of the housing 2, and the horizontal shaft 11 is rotatably penetrated through the vertical plate. One end of the horizontal shaft 11 is connected to the double-headed cam 12, and the double-headed cam 12 is located between the two pressing plates 9. The other end of the horizontal shaft 11 is connected to the gear 13; a through groove 17 is opened at the top of the housing 2, and the slider 15 is slidably arranged in the through groove 17. The top of the slider 15 is connected to the push block 16, and the bottom of the slider 15 is connected to the toothed plate 14, and the toothed plate 14 is meshed with the gear 13.

[0034] Among them, the cross-sections of the slider 15 and the through groove 17 are both set as cross structures, and the length of the toothed plate 14 is much longer than the length of the through groove 17, so that during the movement of the toothed plate 14, it can always cover the through groove 17, preventing external dust from entering the interior of the housing 2 through the through groove 17.

[0035] In this embodiment, during the insertion process, hold the connection terminal with one hand and the cable 1 with the other hand, and then use the thumb to push the push block 16. The push block 16 drives the slider 15 to slide in the through groove 17 under the force, and the slider 15 further drives the toothed plate 14 to translate synchronously. During the movement of the toothed plate 14, it meshes with the gear 13, and the meshing force drives the horizontal shaft 11 to rotate. During the rotation of the horizontal shaft 11, it drives the double-headed cam 12 to rotate synchronously, so that the two protruding segments of the double-headed cam 12 push the pressing plates 9 in opposite directions during the rotation, separating the two groups of pressing plates 9. Then, insert one end of the cable 1 through the jack of the end cap 4 between the two pressing plates 9 with the other hand, and the assembly between the wire harness body and the connection terminal is completed.

[0036] The above has described in detail the embodiments of the present utility model in conjunction with the accompanying drawings. However, the present utility model is not limited to this. Within the scope of knowledge possessed by those skilled in the art to which it pertains, various changes can be made without departing from the gist of the present utility model.

Claims

1. A PCB harness structure for electric ship batteries, characterized in that: include A wiring harness body, comprising a plurality of groups of cables (1) arranged side by side; Connecting terminals are arranged at both ends of the wiring harness body, comprising a housing (2), a front cover (3) and a tail cover (4), wherein the front cover (3) and the tail cover (4) are arranged on both sides of the housing (2), respectively, and a fixing component for elastically fixing the cable (1) is arranged inside the housing (2); and A push-pull mechanism is arranged on the housing (2) and is used to drive the fixing assembly to release the elastic limit of the cable (1) when installing the connection terminal.

2. A PCB harness structure for electric ship batteries according to claim 1, characterized in that: A plug-in portion (5) is integrally formed on the front cover (3), and a plurality of metal conductors (6) passing through the plug-in portion (5) are transversely arranged on the front cover (3) and are used to dock with the cable (1) during connection.

3. A PCB harness structure for electric ship batteries according to claim 1, characterized in that: The tail cover (4) is provided with a plurality of through holes (7) for allowing the cables (1) to pass through when the cables (1) are connected.

4. A PCB harness structure for electric ship batteries according to claim 1, characterized in that: The fixing assembly comprises a guide column (8), a pressure plate (9) and a compression spring (10). Two groups of guide columns (8) are provided, which are symmetrically arranged at the two ends of the inner wall of the shell (2). Two groups of pressure plates (9) are slidably arranged between the two groups of guide columns (8). The two groups of pressure plates (9) are both in contact with the compression spring (10) sleeved on the guide column (8) on the sides facing away from each other.

5. A PCB harness structure for electric ship batteries according to claim 4, characterized in that: A plurality of arc grooves that fit the outer wall of the cable (1) are provided on opposite sides of the two sets of pressure plates (9), and the two corresponding sets of arc grooves form passages for the cable (1) to pass through.

6. A PCB harness structure for electric ship batteries according to claim 4, characterized in that: The push-pull mechanism comprises a transverse shaft (11), a double-headed cam (12), a gear (13), a toothed plate (14), a slider (15) and a push block (16); a vertical plate is installed on the top wall of the housing (2); a transverse shaft (11) is rotatably passed through the vertical plate; one end of the transverse shaft (11) is connected to the double-headed cam (12); the double-headed cam (12) is located between two sets of pressure plates (9); and the other end of the transverse shaft (11) is connected to the gear (13); A through slot (17) is provided at the top of the housing (2), a slider (15) is slidably arranged in the through slot (17), a push block (16) is connected to the top of the slider (15), a tooth plate (14) is connected to the bottom of the slider (15), and the tooth plate (14) is meshedly connected to the gear (13).

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