Wire harness connector

Abstract

The utility model belongs to the technical field of wire harness butt joint structures, and particularly relates to a wire harness connector which comprises a male joint, a female joint is inserted in the male joint, a plug is fixedly arranged on one side, close to the male joint, of the female joint, and mortise lock mechanisms are fixedly arranged on two opposite side faces of the male joint in a mirror image mode. The mortise lock mechanism comprises a fixed cylinder, a movable rod is arranged at the center of the top end of the fixed cylinder in a sliding and penetrating mode, a lock pin is fixedly arranged at the other end of the movable rod and penetrates into the male connector in a sliding mode through a hole formed in the male connector, and a first spring is fixedly arranged between the lock pin and the opposite face of the inner wall of the fixed cylinder. The two sides of the plug are fixedly provided with positioning strips, one side of each positioning strip is provided with a lock groove, the lock pin is inserted into the lock groove, and the male connector and the female connector are limited and fixed through cooperation of the mortise lock mechanism, so that the butt joint firmness is improved, and the situation that a circuit is short-circuited and disconnected due to external force is effectively prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of wire harness docking structures, in particular to a wire harness connector. Background Art

[0002] A wiring harness connector is a type of terminal, also known as a connector, which is mainly composed of a plug and a socket. It is a relay station for wiring harnesses in automotive circuits and is used to connect various electrical and electronic devices. Wiring harness connectors are widely used in many fields, such as the automotive industry, electronic equipment, aerospace industry, power industry, and communications equipment.

[0003] The existing wiring harness connector includes a male connector and a female connector that match each other. The male connector includes a shell, a copper part arranged in the shell, an insertion end protruding from one end of the shell, and a pin protruding from the insertion end away from the end of the shell and electrically connected to the copper part; an insertion slot adapted to the insertion end is provided on the female connector, a pinhole adapted to the pin is provided in the insertion slot, and a copper sheet electrically connected to the wiring harness is provided in the pinhole; in actual application, the insulating skin of the wiring harness is first removed and then electrically connected to the copper part, and then the insertion end with the pin is inserted into the insertion slot, and the pin is correspondingly inserted into the pinhole to complete the electrical connection between the wiring harnesses.

[0004] The wiring harness connectors in the prior art currently have the following disadvantages: there is a lack of a limiting and fixing structure after the male connector and the female connector are docked, and the docking state between the male connector and the female connector becomes unstable due to the increase in usage time or external force, which can easily cause poor contact or disconnection between the wiring harnesses; therefore, a wiring harness connector is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of existing wiring harness connectors, a wiring harness connector is proposed to solve the problem that the male connector and the female connector lack a limiting and fixing structure after docking, the docking state between the male connector and the female connector becomes unstable due to the increase in usage time or external force, which easily causes poor contact or disconnection between the wiring harnesses.

[0006] The technical solution adopted by the utility model to solve its technical problem is: a wiring harness connector described in the utility model includes a male connector, an array of pins is fixedly arranged inside the male connector, an array of first connecting wires is fixedly arranged on one side of the male connector, the first connecting wires are electrically connected to the pins, a female connector is inserted into the male connector, a plug is fixedly arranged on the side of the female connector close to the male connector, the plug is inserted into the male connector, an array of slots corresponding to the number of pins is opened on one side of the plug, the pins are inserted into the slots, an array of second connecting wires is fixedly arranged on one side of the female connector, a copper sheet is fixedly arranged in the slot, and the copper sheet is electrically connected to the second connecting wire;

[0007] The two opposite side surfaces of the male connector are fixedly provided with a locking mechanism in a mirror-like manner, the locking mechanism comprises a fixed cylinder, a movable rod is slidably penetrated through the top center of the fixed cylinder, an operating block is fixedly provided at one end of the movable rod located outside the fixed cylinder, a locking pin is fixedly provided at the other end of the movable rod, the locking pin slides through the hole provided on the male connector to the internal setting of the male connector, a first spring is fixedly provided between the locking pin and the opposite surfaces of the inner wall of the fixed cylinder, positioning strips are fixedly provided on both sides of the plug, a locking groove is provided on one side of the positioning strip, the locking pin is inserted into the locking groove, and the male connector and the female connector are limited and fixed through the cooperation of the locking mechanism, thereby improving the firmness of the docking and effectively preventing the line from being disconnected due to short circuit caused by external force.

[0008] Preferably, two groups of movable grooves are provided in a mirror-like manner on one side of the male connector close to the female connector, a limit plate is slidably arranged in the movable groove, an array of second springs are fixedly arranged in an array between one end of the limit plate close to the inside of the movable groove and the opposite surface of the inner wall of the movable groove, a limit hole is provided on the limit plate, and the locking pin slides through the limit hole, and the position of the locking pin is limited by the cooperation of the limit plate, the second spring and the limit hole to prevent the locking pin from rubbing against the side of the plug.

[0009] Preferably, a sealing groove is provided on the side of the male plug close to the female plug, an inflatable sealing ring is fixedly arranged in the sealing groove, and a sealing ring is fixedly arranged on the side of the female plug close to the male plug corresponding to the sealing groove, and the sealing ring is inserted into the sealing groove. Through the cooperation of the sealing ring and the inflatable sealing ring, the docking sealing of the male connector and the female connector is improved, preventing dust or liquid from entering the interior and accelerating the aging of the equipment.

[0010] Preferably, two sets of positioning grooves are provided on two opposite side walls inside the male plug corresponding to the positioning strips, and the positioning strips are slidably inserted into the positioning grooves. The accuracy of docking between the male connector and the female connector is ensured through the cooperation of the positioning grooves and the positioning strips.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides a wiring harness connector. In order to make the docking state of the male connector and the female connector more firm and stable and prevent them from being loosened and short-circuited due to external force, first, when docking the wiring harness, the female connector and the plug are inserted into the male connector, the initial position of the locking pin is located on one side of the limiting plate and does not pass through the limiting hole, the positions of the locking pin and the limiting hole are staggered, and the initial state of the first spring is a compressed state. When the plug is inserted into the male connector, one side of the female connector squeezes one end of the limiting plate to move the limiting plate into the movable groove, and the limiting plate drives the limiting hole to move. At the same time, the second spring is squeezed and compressed by the limiting plate. After the plug is completely inserted into the male connector and one side of the female connector is tightly attached to the other side of the male connector, the position of the movement of the limit hole is exactly consistent with the central axis of the locking pin. At this time, one end of the locking pin is no longer blocked by the limit plate, and the locking pin is pushed forward and passes through the limit hole under the elastic potential energy of the first spring. At the same time, the locking pin is inserted into the locking pin of the plug. At this time, the docking assembly of the male connector and the female connector is completed, and the positions of the male connector and the female connector are limited, making the assembly state of the two more firm and reliable. At the same time, the position of the locking pin is limited by the cooperation of the limit plate, the second spring and the limit hole to prevent the locking pin from rubbing against the side of the plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0014] Figure 1 It is a three-dimensional picture of the whole;

[0015] Figure 2 It is a structural stereogram of the male connector;

[0016] Figure 3 It is a cross-sectional view of the male connector and the movable groove position;

[0017] Figure 4 It is the first cross-sectional view of the male connector and the female connector;

[0018] Figure 5 is a second cross-sectional view of the male connector and the female connector;

[0019] Figure 6 yes Figure 4 The enlarged structure diagram at A in the middle;

[0020] Legend:

[0021] 1. Male connector; 2. Pin; 02. First connecting wire; 3. Female connector; 4. Plug; 5. Slot; 05. Second connecting wire; 6. Fixed cylinder; 7. Movable rod; 8. Operating block; 9. Locking pin; 09. First spring; 10. Positioning strip; 11. Locking slot; 12. Movable slot; 13. Limiting plate; 14. Second spring; 15. Limiting hole; 16. Sealing slot; 17. Inflatable sealing ring; 18. Sealing ring; 19. Positioning slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Specific examples are given below.

[0024] See also Figure 1-Figure 6 The utility model discloses a wiring harness connector, comprising a male connector 1, wherein an array of pins 2 is fixedly arranged inside the male connector 1, an array of first connecting wires 02 is fixedly arranged on one side of the male connector 1, and the first connecting wires 02 are electrically connected to the pins 2, a female connector 3 is inserted into the male connector 1, a plug 4 is fixedly arranged on the side of the female connector 3 close to the male connector 1, and the plug 4 is inserted into the male connector 1, and an array of slots 5 corresponding to the number of pins 2 are provided on one side of the plug 4, and the pins 2 are inserted into the slots 5, and an array of second connecting wires 05 is fixedly arranged on one side of the female connector 3, and a copper sheet is fixedly arranged in the slot 5, and the copper sheet is electrically connected to the second connecting wire 05;

[0025] The two opposite sides of the male connector 1 are fixedly provided with a locking mechanism in a mirror-like manner, and the locking mechanism includes a fixed cylinder 6, a movable rod 7 is slidably penetrated through the top center of the fixed cylinder 6, an operating block 8 is fixedly provided at one end of the movable rod 7 located outside the fixed cylinder 6, and a locking pin 9 is fixedly provided at the other end of the movable rod 7, and the locking pin 9 slides through the hole provided on the male connector 1 to the internal setting of the male connector 1, and a first spring 09 is fixedly provided between the locking pin 9 and the opposite surface of the inner wall of the fixed cylinder 6, and a positioning strip 10 is fixedly provided on both sides of the plug 4, and a locking groove 11 is provided on one side of the positioning strip 10, and the locking pin 9 is inserted into the locking groove 11;

[0026] The male connector 1 is provided with two sets of movable grooves 12 in a mirror-like manner on one side close to the female connector 3, a limit plate 13 is slidably arranged in the movable groove 12, an array of second springs 14 are fixedly arranged in an array between one end of the limit plate 13 close to the inside of the movable groove 12 and the opposite surface of the inner wall of the movable groove 12, a limit hole 15 is provided on the limit plate 13, and the locking pin 9 slides through the limit hole 15. During operation, in order to make the docking state of the male connector 1 and the female connector 3 more firm and stable and prevent it from loosening and short-circuiting due to external force, first, when docking the wiring harness, the female connector 3 and the plug 4 are inserted into the male connector 1, the initial position of the locking pin 9 is located on one side of the limit plate 13 and does not pass through the limit hole 15, the positions of the locking pin 9 and the limit hole 15 are staggered, and the initial state of the first spring 09 is a compressed state. When the plug 4 is inserted into the male connector 1, one side of the female connector 3 squeezes one end of the limit plate 13, causing the limit plate 13 to move into the movable groove 12, and the limit plate 13 drives the limit hole 15 to move. At the same time, the second spring 14 is squeezed and compressed by the limit plate 13. When the plug 4 is completely inserted into the male connector 1, one side of the female connector 3 is close to the side of the male connector 1, and the movement position of the limit hole 15 is exactly consistent with the central axis of the locking pin 9. At this time, one end of the locking pin 9 is no longer blocked by the limit plate 13. The locking pin 9 is pushed forward and penetrates the limit hole 15 under the elastic potential energy of the first spring 09. At the same time, the locking pin 9 is inserted into the locking groove 11 of the plug 4. At this time, the docking assembly of the male connector 1 and the female connector 3 is completed, and the positions of the male connector 1 and the female connector 3 are limited, making the assembly state of the two more firm and reliable.

[0027] Furthermore, a sealing groove 16 is provided on the side of the male connector 1 close to the female connector 3, and an inflatable sealing ring 17 is fixedly arranged in the sealing groove 16. A sealing ring 18 is fixedly arranged on the side of the female connector 3 close to the male connector 1 corresponding to the sealing groove 16, and the sealing ring 18 is inserted into the sealing groove 16. During operation, in order to improve the docking sealing performance between the male connector 1 and the female connector 3 and prevent dust and liquid from contacting the docking parts, when the male connector 1 and the female connector 3 are assembled, the sealing ring 18 on the female connector 3 is inserted into the sealing groove 16, and at the same time, the sealing ring 18 squeezes the inflatable sealing ring 17, so that the inflatable sealing ring 17 expands and fills the sealing groove 16, thereby improving the internal sealing performance.

[0028] Furthermore, two groups of positioning grooves 19 are provided on two opposite side walls inside the male connector 1 corresponding to the positioning strips 10, and the positioning strips 10 are slidably inserted into the positioning grooves 19. During operation, in order to make the male connector 1 and the female connector 3 dock more accurately and prevent the position of the pin 2 and the slot 5 from being offset during docking, causing the pin 2 to be bent and damaged, during docking assembly, the positioning strips 10 on both sides of the plug 4 are first inserted into the positioning grooves 19 in the male connector 1 to limit the position of the plug 4 and ensure that the position of the slot 5 corresponds to that of the pin 2.

[0029] Working principle: in order to make the docking state of the male connector 1 and the female connector 3 more firm and stable and prevent it from loosening and short-circuiting due to external force, first, when docking the wiring harness, insert the female connector 3 and the plug 4 into the male connector 1, the initial position of the locking pin 9 is located on one side of the limiting plate 13 and does not pass through the limiting hole 15, the positions of the locking pin 9 and the limiting hole 15 are staggered, and the initial state of the first spring 09 is a compressed state. When the plug 4 is inserted into the male connector 1, one side of the female connector 3 squeezes one end of the limiting plate 13 to move the limiting plate 13 into the movable groove 12, and the limiting plate 13 drives the limiting hole 15 to move. At the same time, the second spring 14 is squeezed and compressed by the limiting plate 13. When the plug 4 is completely entered into the male connector 1, one side of the female connector 3 is tightly attached to one side of the male connector 1, and the moving position of the limiting hole 15 is exactly consistent with the central axis of the locking pin 9. At this time, one end of the locking pin 9 is no longer blocked by the limiting plate 13, and the locking pin 9 is in the elastic potential of the first spring 09 It can be pushed down and pass through the limiting hole 15, and the locking pin 9 is inserted into the locking groove 11 of the plug 4. At this time, the docking assembly of the male connector 1 and the female connector 3 is completed, and the positions of the male connector 1 and the female connector 3 are limited, so that the assembly state of the two is more firm and reliable; in order to make the docking of the male connector 1 and the female connector 3 more accurate and prevent the position deviation of the pin 2 and the slot 5 during docking, so that the pin 2 is bent and damaged, during docking assembly, first, the positioning strips 10 on both sides of the plug 4 are inserted into the positioning groove 19 in the male connector 1 to limit the position of the plug 4 and ensure that the position of the slot 5 corresponds to the position of the pin 2; in order to improve the docking sealing of the male connector 1 and the female connector 3 and prevent dust and liquid from contacting the docking parts, when the male connector 1 and the female connector 3 are assembled, the sealing ring 18 on the female connector 3 is inserted into the sealing groove 16, and the sealing ring 18 squeezes the inflatable sealing ring 17 to expand the inflatable sealing ring 17 and fill the sealing groove 16, thereby improving the internal sealing performance.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A wiring harness connector, characterized in that: The invention comprises a male connector (1), wherein an array of pins (2) is fixedly arranged inside the male connector (1), an array of first connecting wires (02) is fixedly arranged on one side of the male connector (1), the first connecting wires (02) are electrically connected to the pins (2), a female connector (3) is inserted into the male connector (1), a plug (4) is fixedly arranged on the side of the female connector (3) close to the male connector (1), the plug (4) is inserted into the male connector (1), an array of slots (5) corresponding to the number of pins (2) is opened on one side of the plug (4), the pins (2) are inserted into the slots (5), an array of second connecting wires (05) is fixedly arranged on one side of the female connector (3), a copper sheet is fixedly arranged in the slot (5), and the copper sheet is electrically connected to the second connecting wire (05); The two opposite sides of the male connector (1) are fixedly provided with a locking mechanism in a mirror-like manner, the locking mechanism comprising a fixed cylinder (6), a movable rod (7) slidingly penetrating the top center of the fixed cylinder (6), an operating block (8) fixedly provided at one end of the movable rod (7) located outside the fixed cylinder (6), a locking pin (9) fixedly provided at the other end of the movable rod (7), the locking pin (9) slidingly penetrating through a hole provided on the male connector (1) to the interior of the male connector (1), a first spring (09) fixedly provided between the locking pin (9) and the opposite surface of the inner wall of the fixed cylinder (6), positioning strips (10) fixedly provided on both sides of the plug (4), a locking groove (11) provided on one side of the positioning strip (10), the locking pin (9) inserted into the locking groove (11).

2. A wiring harness connector according to claim 1, characterized in that: The male connector (1) is provided with two groups of movable grooves (12) in a mirror image on one side close to the female connector (3), a limit plate (13) is slidably arranged in the movable groove (12), a group of second springs (14) are fixedly arranged in an array between one end of the limit plate (13) close to the inside of the movable groove (12) and the opposite side of the inner wall of the movable groove (12), a limit hole (15) is provided on the limit plate (13), and the lock pin (9) is slidably arranged to pass through the limit hole (15).

3. A wiring harness connector according to claim 1, characterized in that: A sealing groove (16) is provided on a side of the male connector (1) close to the female connector (3), an inflatable sealing ring (17) is fixedly arranged in the sealing groove (16), and a sealing ring (18) is fixedly arranged on a side of the female connector (3) close to the male connector (1) corresponding to the sealing groove (16), and the sealing ring (18) is inserted into the sealing groove (16).

4. A wiring harness connector according to claim 1, characterized in that: Two groups of positioning grooves (19) are provided on two opposite side walls inside the male connector (1) corresponding to the positioning strip (10), and the positioning strip (10) is slidably inserted into the positioning grooves (19).

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