Quick connector for automobile wire harness

Abstract

The utility model provides a quick connector for an automobile wire harness. The quick connector comprises a first connector and a second connector, a locking mechanism is arranged between the first joint and the second joint and is used for relatively fixing the first joint and the second joint; the first connector comprises an insertion groove, a lantern ring and an insertion hole. The insertion groove and the lantern ring are integrally formed, and an insertion hole is formed in the insertion groove. The second joint comprises an insertion block and an insertion head; the inserting block and the inserting head are integrally formed; the plug is inserted into the jack and is electrically connected with the jack; a sealing structure is arranged between the insertion block and the lantern ring; by arranging the locking mechanism, the first connector and the second connector can be firmly locked together, and the connector is effectively prevented from loosening when a vehicle vibrates; in addition, due to the design of a sealing structure, a sealing gasket and a sealing ring which are made of rubber materials are adopted, double sealing is formed, dust and water are effectively prevented from entering, and the protection capacity of the connector in a severe environment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts especially relates to a quick connector of automobile wire harness. BACKGROUND

[0002] In the automobile electrical system, the automobile wire harness connector plays a vital role, which is responsible for realizing reliable connection and electrical signal transmission between various electrical components; with the continuous development of automobile technology, the performance requirements of automobile wire harness connector are also increasing;

[0003] The traditional automobile wire harness connector exposes many problems in actual use; first, in the connection stability, the traditional connector often lacks effective locking mechanism, and the connector is easy to loosen during the driving process due to the vibration and bump of the vehicle, leading to poor contact and affecting the normal operation of electrical equipment, and even causing safety hazards;

[0004] Secondly, the sealing performance of the traditional connector is poor; the use environment of the automobile is complex and changeable, and may face dust, mud and other harsh conditions; if the connector is not well sealed, dust and moisture can easily enter the inside of the connector, corrode the metal parts, cause short circuit or open circuit failure, shorten the service life of the connector and the wire harness, and increase the maintenance cost. INVENTION CONTENTS

[0005] In order to solve the problem of poor sealing and unstable connection of the traditional connector in the prior art, the utility model provides a quick connector of automobile wire harness;

[0006] The utility model provides a quick connector of automobile wire harness adopts the following technical scheme:

[0007] A quick connector of automobile wire harness, comprising a first connector and a second connector; a locking mechanism is arranged between the first connector and the second connector for relative fixation; the first connector comprises a slot, a sleeve ring and a plug hole; the slot and the sleeve ring are integrally formed, and the plug hole is formed in the inside of the slot; the second connector comprises a plug block and a plug; the plug block and the plug are integrally formed; the plug is inserted into the inside of the plug hole and electrically connected; a sealing structure is arranged between the plug block and the sleeve ring;

[0008] Further, the locking mechanism comprises a shell, and the outer side wall of the sleeve ring is integrally formed with the shell; a lock hole is formed in the side wall of the shell close to the plug; a clamping groove is formed in the top of the lock hole; a baffle is integrally formed on the outer side wall of the plug block; a lock block is integrally formed on the outer side wall of the baffle; a spring piece is arranged in the inside of the lock block; the spring piece is clamped into the clamping groove while the lock block is inserted into the lock hole; a springing part is further arranged in the lock hole to push out the lock block; an unlocking part is arranged on the top of the lock hole to extrude and push out the spring piece from the clamping groove;

[0009] Further, the lock block is a L-shaped plate structure.

[0010] Further, the pop-out part comprises a spring and a top plate, one end of the spring is fixedly connected to the bottom of the lock hole, and the other end of the spring is fixedly connected with the top plate for abutting against the lock block.

[0011] Further, the unlocking part comprises a sliding groove, a sliding rod, a push plate and a pulley, the top of the shell is provided with the sliding groove, the sliding rod is slidably connected in the sliding groove, the sliding rod can be limited to move up and down by the sliding groove, the top of the sliding rod is arranged outside the shell and integrally formed with the push plate, and the bottom of the sliding rod is arranged on the upper side of the clamping groove and rotatably connected with the pulley.

[0012] Further, the sealing structure comprises a sealing gasket and a sealing ring, the outer side wall of the baffle is sleeved with the sealing gasket, the sealing gasket is a stepped structure, the plug is inserted into the sleeve ring, and the sealing gasket abuts against the opening of the sleeve ring, the side wall of the plug close to the insertion groove is pasted with the sealing ring, and the plug is inserted into the insertion hole, and the sealing ring seals the insertion hole by abutting against the outer side wall of the insertion groove.

[0013] Further, the opening of the sleeve ring is provided with an inner 45° chamfer.

[0014] Further, the sealing gasket and the sealing ring are made of rubber.

[0015] Further, the surface of the push plate is provided with anti-skid patterns.

[0016] In summary, the beneficial effects of the utility model are as follows:

[0017] The utility model discloses a locking mechanism, utilizes lock block, elastic sheet, clamping groove and other components to cooperate with each other, can firmly lock the first connector and the second connector together, effectively prevents the loose connection when the vehicle is vibrating, ensures the stability and reliability of connection, in addition, the design of sealing structure adopts the sealing gasket and the sealing ring of rubber material, forms double sealing respectively at the plug and the sleeve ring, the plug and the insertion groove, effectively blocks dust and moisture from entering, improves the protection ability of the connector in the harsh environment, in addition, the design of unlocking part and pop-out part makes the unlocking and dismounting operation of the connector more convenient, greatly improves the convenience of operation, meets the efficient demand in actual use. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the internal structure schematic diagram of the whole utility model;

[0020] Figure 3 It is the internal structure schematic view of the locking mechanism of the utility model;

[0021] Figure 4 It is the utility model Figure 2 The enlarged schematic view of part A.

[0022] As shown in the figure: 1 - slot, 11 - collar, 12 - jack, 2 - plug, 21 - baffle, 22 - plug, 3 - sealing pad, 31 - sealing ring, 4 - shell, 41 - lock hole, 42 - clamping groove, 5 - sliding slot, 51 - sliding rod, 52 - push plate, 53 - pulley, 6 - spring, 61 - top plate, 7 - lock block, 71 - spring piece. DETAILED DESCRIPTION

[0023] The following will be combined with the attached Figures 1-4 The utility model is further explained in detail:

[0024] The utility model embodiment discloses a kind of automobile wire harness quick connector, such as Figure 1 As shown in the figure, a kind of automobile wire harness quick connector, including first connector, second connector;Locking mechanism is arranged between first connector and second connector, for relative fixation;First connector includes slot 1, collar 11, jack 12;Slot 1 and collar 11 are integrally formed, and jack 12 is set in the inside of slot 1;Second connector includes plug 2, plug 22;Plug 2 and plug 22 are integrally formed;Plug 22 is inserted into the inside of jack 12 and is electrically connected;Plug 2 and collar 11 between setting sealing structure;In the embodiment, first connector, second connector are realized relative fixation by locking mechanism;First connector contains slot 1, collar 11 and jack 12, for receiving and fixed the corresponding part of second connector;Second connector contains plug 2 and plug 22, shape and size are matched with the slot 1 and jack 12 of first connector, to realize physical and electrical connection;When needing to connect two connectors, user inserts plug 22 of second connector into jack 12 of first connector, while plug 2 also enters collar 11 inside;The electrical connection of plug 22 and jack 12 is signal or power transmission between wire harness;

[0025] As Figure 2 、 3As shown, the locking mechanism comprises a shell 4, the outer side wall of the sleeve ring 11 is integrally formed with the shell 4; the side wall of the shell 4 close to the plug 22 is provided with a lock hole 41; the top of the lock hole 41 is provided with a clamping groove 42; the outer side wall of the plug 2 is integrally formed with a baffle 21; the outer side wall of the baffle 21 is integrally formed with a lock block 7; the inside of the lock block 7 is provided with a spring 71; the lock block 7 is inserted into the lock hole 41, and the spring 71 is clamped into the clamping groove 42; the lock hole 41 is also provided with a pop-out portion for ejecting the lock block 7; the top of the lock hole 41 is provided with an unlocking portion for extruding and ejecting the spring 71 out of the clamping groove 42; in this embodiment, the lock block 7 enters the lock hole 41 together with the plug 2, when the lock block 7 reaches the position of the clamping groove 42, the spring 71 is clamped into the clamping groove 42 under the elastic action of itself, realizing locking; the pop-out portion always exerts an outward force on the lock block 7, but is limited by the spring 71 and the clamping groove 42 in the locked state; when unlocking is needed, the spring 71 is operated by the unlocking portion to make it separate from the clamping groove 42, at this time the spring 6 and the top plate 61 eject the lock block 7 out of the lock hole 41, realizing unlocking; this structure provides a stable locking mechanism to prevent the connector from loosening under vibration or external force; and the unlocking operation is simple, improving the efficiency of maintenance and replacement of the wire harness;

[0026] As shown in Figure 2 , 3 , the lock block 7 is an L-shaped plate structure;

[0027] As shown in Figure 2 , 3 , the pop-out portion comprises a spring 6 and a top plate 61, one end of the spring 6 is fixedly connected to the inside of the lock hole 41; the other end of the spring 6 is fixedly connected with the top plate 61 for abutting against the lock block 7; in this embodiment, when the spring 71 separates from the clamping groove 42, the spring 6 immediately releases the potential energy stored therein, pushing the top plate 61 and the lock block 7 to move outward; and the top plate 61 ensures that the lock block 7 can be completely ejected out of the lock hole 41 after unlocking; realizing automatic ejection of the lock block 7, improving the efficiency and convenience of unlocking; reducing the need for part of the user's manual operation;

[0028] As shown in Figure 2 , 3 , the unlocking portion comprises a sliding groove 5, a sliding rod 51, a push plate 52 and a pulley 53; the top of the shell 4 is provided with a sliding groove 5; the inside of the sliding groove 5 is slidably connected with a sliding rod 51; the sliding rod 51 can be limited to move up and down by the sliding groove 5; the top of the sliding rod 51 is provided on the outside of the shell 4 and integrally formed with a push plate 52; the bottom of the sliding rod 51 is provided on the upper side of the clamping groove 42 and rotatably connected with a pulley 53; in this embodiment, the user pushes the push plate 52 to make the sliding rod 51 move in the sliding groove 5; the pulley 53 at the bottom of the sliding rod 51 contacts and extrudes the spring 71 to make it separate from the clamping groove 42, when the spring 71 completely separates from the clamping groove 42, the pop-out portion ejects the lock block 7 out of the lock hole 41; such a simple and effective unlocking method; increases the operation convenience of the user;

[0029] As Figure 3 , 4 shown, the sealing structure includes a sealing gasket 3, a sealing ring 31, and an outer side wall of the baffle 21 is sleeved with the sealing gasket 3; the sealing gasket 3 is a stepped structure; the plug block 2 is inserted into the sleeve ring 11, and the sealing gasket 3 abuts against the opening of the sleeve ring 11; the sealing ring 31 is pasted on one side wall of the plug block 2 close to the plug groove 1; the plug 22 is inserted into the plug hole 12, and the sealing ring 31 seals the plug hole 12 by abutting against the outer side wall of the plug groove 1; in this embodiment, when the plug block 2 is inserted into the sleeve ring 11, the sealing gasket 3 first contacts and abuts against the opening of the sleeve ring 11 to form a preliminary seal; then, the plug 22 is inserted into the plug hole 12, and the sealing ring 31 contacts and abuts against the outer side wall of the plug groove 1 to form a final seal; external factors such as moisture and dust are prevented from entering the joint interior, the reliability and durability of the connection are ensured, and the use performance of the wire harness in a harsh environment is improved;

[0030] As Figure 3 , 4 shown, the opening of the sleeve ring 11 is provided with a chamfering treatment to form an inner 45° chamfer; in this embodiment, the chamfering treatment reduces the friction and resistance of the plug block 2 at the opening of the sleeve ring 11; and the plug block 2 is more smooth during the insertion process;

[0031] The sealing gasket 3 and the sealing ring 31 are both of rubber material; in this embodiment, the sealing gasket 3 and the sealing ring 31 of the rubber material can be deformed when subjected to pressure, and tightly fit the contact surface; the sealing performance and durability of the joint are improved, thereby forming an effective sealing barrier;

[0032] As Figure 1 shown, the surface of the push plate 52 is provided with anti-skid patterns; when the user pushes the push plate 52 to perform the unlocking operation, the anti-skid patterns provide additional friction; and the operation is more stable and reliable.

[0033] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The components mentioned in the utility model are common technologies in the prior art, which should be understood by the person skilled in the art. The utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick connector for automotive wiring harness, comprising a first connector, a second connector; characterized in that: The first joint and the second joint are provided with a locking mechanism for relative fixation; the first joint comprises a slot (1), a sleeve ring (11) and a plug hole (12); the slot (1) is integrally formed with the sleeve ring (11), and the slot (1) is internally provided with the plug hole (12); the second joint comprises an insertion block (2) and a plug (22); the insertion block (2) is integrally formed with the plug (22); the plug (22) is inserted into the interior of the plug hole (12) and is electrically connected; the insertion block (2) and the sleeve ring (11) are provided with a sealing structure.

2. A quick connector for automotive wiring harnesses according to claim 1, characterized in that The locking mechanism comprises a shell (4), and the outer side wall of the sleeve ring (11) is integrally formed with the shell (4); the side wall, close to the plug (22), of the shell (4) is provided with a lock hole (41); the top of the lock hole (41) is provided with a clamping groove (42); the outer side wall of the insertion block (2) is integrally formed with a baffle (21); the outer side wall of the baffle is integrally formed with a lock block (7); the interior of the lock block (7) is provided with an elastic sheet (71); when the lock block (7) is inserted into the lock hole (41), the elastic sheet (71) is clamped into the clamping groove (42); the lock hole (41) is further provided with an ejection portion for ejecting the lock block (7); the top of the lock hole (41) is provided with an unlocking portion for extruding and ejecting the elastic sheet (71) out of the clamping groove (42).

3. A quick connector for a vehicle wiring harness according to claim 2, wherein The lock block (7) is a plate-shaped structure of L type.

4. A quick connector for automotive wiring harnesses according to claim 3, characterized in that The ejection portion comprises a spring (6) and a top plate (61), and one end of the spring (6) is fixedly connected to the bottom of the interior of the lock hole (41); the other end of the spring (6) is fixedly connected with the top plate (61) for abutting against the lock block (7).

5. A quick connector for automotive wiring harnesses according to claim 3, characterized in that The unlocking portion comprises a sliding groove (5), a sliding rod (51), a push plate (52) and a pulley (53); the top of the shell (4) is provided with the sliding groove (5); the interior of the sliding groove (5) is slidably connected with the sliding rod (51); the sliding rod (51) can be limited to move up and down by the sliding groove (5); the top of the sliding rod (51) is arranged outside the shell (4) and is integrally formed with the push plate (52); the bottom of the sliding rod (51) is arranged above the clamping groove (42) and is rotatably connected with the pulley (53).

6. A quick connector for automotive wiring harnesses according to claim 2, characterized in that The sealing structure comprises a sealing gasket (3) and a sealing ring (31), and the outer side wall of the baffle (21) is sleeved with the sealing gasket (3); the sealing gasket (3) is a stepped structure; the insertion block (2) is inserted into the sleeve ring (11), and the sealing gasket (3) abuts against the opening of the sleeve ring (11); the side wall, close to the slot (1), of the insertion block (2) is pasted with the sealing ring (31); the plug (22) is inserted into the plug hole (12), and the sealing ring (31) abuts against the outer side wall of the slot (1) to seal the plug hole (12).

7. A quick connector for a vehicle wiring harness according to claim 6, wherein The opening of the sleeve ring (11) is provided with a chamfering treatment to form an inner 45° chamfer.

8. A quick connector for automotive wiring harnesses according to claim 6, characterized in that The sealing gasket (3) and the sealing ring (31) are both made of rubber material.

9. A quick connector for automotive wiring harnesses according to claim 5, characterized in that The surface of the push plate (52) is provided with anti-skid patterns.

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