Automobile wire harness short circuit device

Abstract

The utility model discloses an automobile wire harness short-circuit device, which comprises a short-circuit cover and a short-circuit plug, the short-circuit cover is used for being sleeved on the short-circuit plug, the top end of a short-circuit metal sheet is fixedly arranged on the short-circuit cover, a jack corresponding to the short-circuit metal sheet in position is arranged in the short-circuit plug, and a pin is arranged in the jack. The tail end of the short-circuit metal sheet is used for being connected with the top end of the contact pin, the tail end of the contact pin is provided with a crimping part, the crimping part is used for crimping a wire harness, the first limiting mechanism comprises a groove arranged at the tail end of the short-circuit metal sheet and a protruding part arranged at the top end of the contact pin, and the groove is matched with the protruding part. According to the utility model, the wiring harness crimping pin is inserted into the plug for short circuit, and twisting bonding or tin soldering welding is not needed; by arranging the first limiting mechanism composed of the groove at the tail end of the short-circuit metal sheet and the protruding part at the top end of the contact pin, simple limiting connection of the wire harness and the short-circuit metal sheet is achieved, and an operator can distinguish connection in place conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mechanical manufacturing, concretely relates to a short connector for automobile wiring harness. BACKGROUND

[0002] At present, the short connection of automobile wiring harness mainly has two ways, one is to stick through twisting adhesive tape after breaking the wire, and the other is to short connect through welding after breaking the wire, the above methods can realize the short connection of wiring harness, but are easy to stick or weld unfirmly, and cannot provide effective protection for the automobile wiring harness after breaking the wire, and cannot guarantee the reliability of the short connection of multiple wiring harnesses. Specifically, only using the way of adhesive tape or welding does not have waterproof ability, and the short connection place is easy to fail when meeting water, which affects the normal operation of automobile circuit.

[0003] The utility model discloses a waterproof short connector for wiring harness, which comprises a plurality of plug-in terminals, a terminal sheath and a short connection cover, the plug-in terminals are respectively crimped on the end portions of the wires needing short connection in the automobile wiring harness and are inserted into the terminal insertion holes of the terminal sheath, the terminal insertion holes of the terminal sheath are provided with a plug-in terminal positioning mechanism, the short connection cover covers the front end of the terminal sheath, and a plurality of metal short connection inserts matched with the plug-in terminals and corresponding to the plug-in terminals are arranged in the short connection cover, and the plug-in terminals of the wires needing short connection are electrically connected through the metal short connection inserts. The above scheme realizes the electrical connection between the wires of the wiring harness by inserting the metal short connection inserts into the plug-in terminals, which realizes the waterproof short connection of the wiring harness and increases the reliability, but the positioning mechanisms such as the plug-in terminal positioning mechanism, the secondary locking mechanism and the short connection cover limiting boss are too complex, and the normal connection of the metal short connection inserts and the plug-in terminals cannot be directly judged during use. Therefore, it is necessary to simplify the connection mode of the short connector to facilitate the operation of personnel and improve the short connection efficiency and success rate. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the defects of the prior art, simplifying the connection mode and the limiting mode of the short connector, improving the short connection efficiency and providing a short connector for automobile wiring harness.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of automobile wire harness short connector, including shorting cap and shorting plug, the shorting cap is used to sleeve in shorting plug, shorting metal sheet top end is fixedly arranged on shorting cap, the shorting plug is provided with the jack hole corresponding with the position of shorting metal sheet, the jack hole is provided with contact pin, the tail end of shorting metal sheet is used to connect with the top end of contact pin, the tail end of contact pin is provided with crimping part, and the crimping part is used to crimp wire harness, and it further include first limiting mechanism, the first limiting mechanism includes the recess of shorting metal sheet tail end and the protruding part on the top of contact pin, or the first limiting mechanism includes the protruding part of shorting metal sheet tail end and the recess on the top of contact pin, and the recess is matched with the protruding part.

[0007] The utility model discloses a kind of automobile wire harness short connector, including shorting cap and shorting plug, the shorting cap is used to sleeve in shorting plug, shorting metal sheet top end is fixedly arranged on shorting cap, the shorting plug is provided with the jack hole corresponding with the position of shorting metal sheet, the jack hole is provided with contact pin, the tail end of shorting metal sheet is used to connect with the top end of contact pin, the tail end of contact pin is provided with crimping part, and the crimping part is used to crimp wire harness, and it further include first limiting mechanism, the first limiting mechanism includes the recess of shorting metal sheet tail end and the protruding part on the top of contact pin, or the first limiting mechanism includes the protruding part of shorting metal sheet tail end and the recess on the top of contact pin, and the recess is matched with the protruding part.

[0008] Preferably, it further includes second limiting mechanism, the second limiting mechanism includes first clamping mechanism arranged on the outside of shorting plug and second clamping mechanism arranged on the inner side wall of shorting cap, and the first clamping mechanism and the second clamping mechanism are matched.

[0009] Preferably, the first clamping mechanism adopts buckle, and the second clamping mechanism adopts clamping groove. The second limiting mechanism composed of buckle arranged on the outside of shorting plug and clamping groove arranged on the inner side wall of shorting cap realizes the close connection of shorting plug and shorting cap.

[0010] Preferably, the shorting plug is provided with third limiting mechanism, the third limiting mechanism includes limiting protrusion arranged on the inner wall of jack hole and limiting hole arranged on contact pin, and the limiting hole is used for limiting protrusion to be clamped into. The third limiting mechanism composed of limiting protrusion arranged on the inner wall of jack hole and limiting hole arranged on contact pin realizes the fixation of wire harness in jack hole, improves wire harness shorting stability, and increases reliability.

[0011] Preferably, the shorting cap, shorting plug and limiting protrusion are all made of plastic material.

[0012] Preferably, the shorting cap is provided with pressing piece for fixing shorting metal sheet top end.

[0013] Preferably, the combination part of shorting cap and shorting plug is provided with sealing ring.

[0014] Preferably, waterproof plug is arranged in the jack hole at wire harness insertion end, and the waterproof plug is used for sealing waterproof. Waterproof sealing is realized through waterproof sealing ring and waterproof plug of shorting cap and shorting plug, and the utility model has waterproof capacity.

[0015] Preferably, the shorting metal sheet adopts a shorting copper sheet.

[0016] Preferably, the shorting metal sheet and the jack are both provided with a plurality of shorting metal sheets, and the plurality of shorting metal sheets are electrically connected. The connection of the shorting copper sheet realizes shorting of a plurality of automobile wiring harnesses, and improves the shorting reliability of the wiring harness. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be described in further detail below in combination with the drawings:

[0018] Fig. 1 is the structure diagram of the shorting cover of the utility model;

[0019] Fig. 2 is the structure diagram of the shorting plug of the utility model;

[0020] Fig. 3 is the sectional view of the shorting cover and the shorting plug after being connected of the utility model.

[0021] Mark explanation: 1, shorting cover, 2, shorting metal sheet, 3, shorting plug, 4, jack, 5, contact pin, 6, wiring harness, 701, recess, 702, protruding part, 801, buckle, 802, clamping groove, 901, limiting protrusion, 902, limiting hole, 10, pressing piece, 11, sealing ring, 12, waterproof plug. DETAILED DESCRIPTION

[0022] As Figs. 1-3 shown, the utility model provides a kind of automobile wiring harness shorting device, including shorting cover 1 and shorting plug 3, shorting cover 1 is used to sleeve connection on shorting plug 3, shorting metal sheet 2 top end is fixedly arranged on shorting cover 1, shorting plug 3 is provided with the jack 4 corresponding with the position of shorting metal sheet 2 in it, jack 4 is provided with contact pin 5 in it, the tail end of shorting metal sheet 2 is used for being connected with the top end of contact pin 5, the tail end of contact pin 5 is provided with crimping part, crimping part is used to crimp wiring harness 6, still include first limiting mechanism, first limiting mechanism includes recess 701 and protruding part 702 matched with each other.This embodiment, recess 701 is arranged on shorting metal sheet 2 tail end, protruding part 702 is arranged on the top end of contact pin 5.Through first limiting mechanism, realize the simple and easy location connection of wiring harness 6 and shorting metal sheet 2, it is convenient for operator to distinguish whether to connect in place.

[0023] In the embodiment, the second limiting mechanism includes a first clamping structure arranged on the outside of the shorting plug 3 and a second clamping structure arranged on the inner wall of the shorting cover 1. In the embodiment, the first clamping structure is a buckle 801, and the second clamping structure is a clamping groove 802. The buckle 801 is matched with the clamping groove 802. Through the second limiting mechanism, the shorting plug 3 is tightly connected with the shorting cover 1. The third limiting mechanism is arranged in the shorting plug 3 and includes a limiting protrusion 901 arranged on the inner wall of the jack 4 and a limiting hole 902 arranged on the pin 5. The limiting hole 902 is used for clamping the limiting protrusion 901. Through the third limiting mechanism, the wiring harness 6 is fixed in the jack 4, the shorting stability of the wiring harness 6 is improved, and the reliability is improved.

[0024] In the embodiment, the shorting cover 1, the shorting plug 3 and the limiting protrusion 901 are all made of plastic. The shorting cover 1 is provided with a pressing piece 10 used for fixing the top end of the shorting metal sheet. The combination part of the shorting cover 1 and the shorting plug 3 is provided with a sealing ring 11. The waterproof plug 12 used for sealing and preventing water is arranged in the jack 4 at the insertion end of the wiring harness 6. The shorting metal sheet 2 is made of a shorting copper sheet. The shorting metal sheet 2 and the jack 4 are both provided with a plurality of shorting copper sheets 2, and the plurality of shorting copper sheets 2 are electrically connected.

[0025] In the embodiment, in specific use, the pin 5 is sleeved on the wiring harness 6 and inserted into the jack 4 of the shorting plug 3, the pin 5 is fixed in the jack 4 through the limiting protrusion 901 and the limiting hole 902, the shorting cover 1 is covered on the shorting plug 3, the shorting copper sheet is fixedly connected after being assembled with the pin 5 through the recess 701 and the protruding part 702, meanwhile, the buckle 801 on the outside of the shorting plug 3 is matched with the clamping groove 802, the shorting plug 3 is tightly connected with the shorting cover 1, the sealing ring 11 and the waterproof plug 12 realize waterproof sealing, and the reliability of shorting is improved.

[0026] The utility model discloses a wiring harness 6 crimping pin 5 inserts into the plug shorting, need not to twist and stick or tin solder welding, through the connection of shorting metal sheet, realize the shorting of multiple automobile wiring harness 6, improve the shorting reliability of wiring harness 6.

[0027] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited by the protection scope defined by the claims.

Claims

1. A shorting connector for automotive wiring harnesses, characterized in that, The device includes a shorting cover and a shorting plug. The shorting cover is fitted onto the shorting plug. The top end of a shorting metal piece is fixedly mounted on the shorting cover. The shorting plug has a socket corresponding to the position of the shorting metal piece. A pin is provided in the socket. The tail end of the shorting metal piece is used to connect with the top end of the pin. The tail end of the pin has a crimping part for crimping the wire harness. The device also includes a first limiting mechanism. The first limiting mechanism includes a groove at the tail end of the shorting metal piece and a protrusion at the top end of the pin, or the first limiting mechanism includes a protrusion at the tail end of the shorting metal piece and a groove at the top end of the pin, wherein the groove matches the protrusion.

2. The automotive wiring harness shorter according to claim 1, characterized in that, It also includes a second limiting mechanism, which includes a first locking mechanism disposed on the outside of the shorting plug and a second locking mechanism disposed on the inner sidewall of the shorting cover, wherein the first locking mechanism and the second locking mechanism are matched.

3. The automotive wiring harness shorter according to claim 2, characterized in that, The first locking mechanism uses a buckle, and the second locking mechanism uses a slot.

4. The automotive wiring harness shorter according to claim 1, characterized in that, The shorting plug is provided with a third limiting mechanism, which includes a limiting protrusion on the inner wall of the socket and a limiting hole on the pin. The limiting hole is used to lock the limiting protrusion in place.

5. The automotive wiring harness shorter according to claim 4, characterized in that, The shorting cover, shorting plug, and limiting protrusion are all made of plastic.

6. The automotive wiring harness shorter according to claim 1, characterized in that, The shorting cover is provided with a pressure plate for fixing the top of the shorting metal piece.

7. The automotive wiring harness shorter according to claim 1, characterized in that, Both the shorting cover and the shorting plug are provided with sealing rings at their joints.

8. The automotive wiring harness shorter according to claim 1, characterized in that, A waterproof plug is provided inside the socket at the wire harness insertion end, and the waterproof plug is used for sealing and waterproofing.

9. The automotive wiring harness shorter according to claim 1, characterized in that, The shorting metal piece is a shorting copper piece.

10. The automotive wiring harness shorter according to claim 1, characterized in that, Multiple shorting metal pieces and sockets are provided, and the multiple shorting metal pieces are electrically connected.

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