CN213184761U

CN213184761U - Wire harness end current signal interface structure

Info

Publication number: CN213184761U
Application number: CN202022492521.7U
Authority: CN
Inventors: 魏路锦; 魏艳伟
Original assignee: Shenzhen Zhongzhi Power Technology Co ltd
Current assignee: Shenzhen Zhongzhi Power Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-05-11
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a wire harness end current signal interface structure, including bottom plate, an upper fixed plate, circuit signal interface and waterproof head, circuit signal interface right side lug outer wall is provided with the connection external screw thread, the inside spread groove of having seted up of circuit signal interface, the inside fixed mounting of spread groove has the solid fixed ring of a plurality of circuit, the circuit groove has been seted up to the solid fixed ring inside of circuit, the deformation chamber has been seted up on waterproof head right side, the inlet wire has been seted up to waterproof head inside, the inside sealed piece that all is provided with in both sides about the inlet wire, the sunken department inner wall in waterproof head left side is provided with the connection internal thread. The utility model discloses in, insert the flood peak earlier with the electric wire, when the electric wire got into the deformation intracavity, make the electric wire get into in the inlet wire mouth, the bounce back through sealed piece seals the electric wire, inserts the electric wire again in the inside spread groove of current signal interface, with waterproof first threaded connection in current signal interface right side at last, improves waterproof performance.

Description

Wire harness end current signal interface structure

Technical Field

The utility model belongs to the technical field of the pencil interface, specifically be a pencil bunch end current signal interface structure.

Background

The wire harness provides the whole of service equipment for a certain load source group, such as a relay circuit, an exchange device, a control system and the like, the connection between the wire harness and the connection between the wire harness and electrical parts generally adopt connectors, the automobile wire harness connector is an important part for connecting each electrical device and electronic equipment of an automobile, and all the connectors adopt locking devices in order to prevent the connectors from being disconnected in the running process of the automobile;

the wire harness wire end current signal interface in the prior art has poor waterproof performance, and water easily enters the interface, so that short circuit is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the wire harness end current signal interface in the prior art is poor in waterproof performance and easy to cause water to enter the interface, thereby causing short circuit, the wire harness end current signal interface structure is provided.

The utility model adopts the technical scheme as follows: a wire harness end current signal interface structure comprises a lower fixing plate, an upper fixing plate, a circuit signal interface and a waterproof head, wherein interface fixing grooves are formed in the upper surface of the lower fixing plate and the lower surface of the upper fixing plate, locking grooves are formed in the right sides of the lower fixing plate and the upper fixing plate, locking threaded rods are in threaded connection with the inside of the locking grooves, limiting rings are fixedly mounted on the left side and the right side of the circuit signal interface, pins are fixedly connected to the left side of the circuit signal interface, connecting external threads are arranged on the outer wall of a convex block on the right side of the circuit signal interface, connecting grooves are formed in the circuit signal interface, a plurality of circuit fixing rings are fixedly mounted in the connecting grooves, circuit grooves are formed in the circuit fixing rings, deformation cavities are formed in the right side of the waterproof head, wire inlets are formed in the waterproof head, the inner wall of the concave position on the left side of the waterproof head is provided with a connecting internal thread.

In a preferred embodiment, the thickness of the sealing block gradually decreases from the outside to the inside.

In a preferred embodiment, the two interface fixing grooves are both of a semicircular structure, and the section radius of a fixing ring formed by combining the two interface fixing grooves is the same as that of the circuit signal interface.

In a preferred embodiment, the inner wall of the locking groove is provided with a thread matched with the locking threaded rod.

In a preferred embodiment, the top of the upper fixing plate is movably connected to the top of the lower fixing plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, insert the flood peak earlier with the electric wire, when the electric wire got into the deformation intracavity, extrude sealed piece, make the electric wire get into in the inlet wire mouth, bounce through sealed piece seals the electric wire, insert the electric wire in the inside spread groove of current signal interface again, fix the electric wire through the inside circuit retaining ring that sets up of spread groove, the electric wire is located circuit signal interface one end along the line groove and pin and contacts, at last with waterproof first threaded connection in current signal interface right side, improve waterproof performance.

2. The utility model discloses in, in putting into the interface fixed slot that the bottom plate was seted up with circuit signal interface, tightly cover the upper fixed plate at the bottom plate upper surface, with locking bolt pole threaded connection in locking inslot, with current signal interface fixed connection in bottom plate and upper fixed plate inner wall.

Drawings

Fig. 1 is a schematic structural diagram of a wire harness end current signal interface structure according to the present invention;

fig. 2 is a cross-sectional view of an upper fixing plate and a lower fixing plate in the wire harness end current signal interface structure of the present invention;

fig. 3 is a cross-sectional view of a circuit signal interface in a wire harness end current signal interface structure according to the present invention;

fig. 4 is the utility model discloses a cross-sectional view of flood peak among line bunch end current signal interface structure.

The labels in the figure are: 1-lower fixed plate, 2-upper fixed plate, 3-current signal interface, 4-waterproof head, 5-interface fixed groove, 6-locking groove, 7-locking threaded rod, 8-limiting ring, 9-pin, 10-connecting external thread, 11-connecting groove, 12-circuit fixing ring, 13-circuit groove, 14-deformation cavity, 15-wire inlet, 16-sealing block and 17-connecting internal thread.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a wire harness end current signal interface structure comprises a lower fixing plate 1, an upper fixing plate 2, a circuit signal interface 3 and a waterproof head 4, wherein the top of the upper fixing plate 2 is movably connected to the top of the lower fixing plate 1, interface fixing grooves 5 are respectively formed in the upper surface of the lower fixing plate 1 and the lower surface of the upper fixing plate 2, the two interface fixing grooves 5 are of a semicircular structure, the section radius of a fixing ring formed by combining the two interface fixing grooves 5 is the same as that of the circuit signal interface 3, locking grooves 6 are respectively formed in the right sides of the lower fixing plate 1 and the upper fixing plate 2, the circuit signal interface 3 is placed into the interface fixing groove 5 formed in the lower fixing plate 1, the upper fixing plate 2 is tightly covered on the upper surface of the lower fixing plate 1, a locking bolt rod 7 is in the locking groove 6 in a threaded manner, the current signal, a locking threaded rod 7 is connected with the inner wall of the locking groove 6 in a threaded manner, threads matched with the locking threaded rod 7 are arranged on the inner wall of the locking groove 6, limiting rings 8 are fixedly arranged on the left and right sides of a circuit signal interface 3, pins 9 are fixedly connected on the left side of the circuit signal interface 3, connecting external threads 10 are arranged on the outer wall of a right side lug of the circuit signal interface 3, a connecting groove 11 is formed in the circuit signal interface 3, a plurality of circuit fixing rings 12 are fixedly arranged in the connecting groove 11, a circuit groove 13 is formed in each circuit fixing ring 12, a deformation cavity 14 is formed in the right side of a waterproof head 4, a wire inlet 15 is formed in each waterproof head 4, sealing blocks 16 are arranged in the upper side and the lower side of the wire inlet 15, the thickness of each sealing block 16 is gradually reduced from outside to inside, a connecting internal thread 17 is arranged on the inner, extrude sealed block 16, make the electric wire get into in the entrance 15, the bounce force through sealed block 16 seals up the electric wire, insert the electric wire again in the inside spread groove 11 of current signal interface 3, fix the electric wire through the inside fixed ring 12 of circuit that sets up of spread groove 11, the electric wire lies in 3 one end contacts of circuit signal interface along line groove 13 and pin 9, with water head 4 threaded connection in current signal interface right side at last, improves waterproof performance.

The working principle is as follows: put into interface fixed slot 5 that bottom plate 1 seted up with circuit signal interface 3 in, tightly cover top plate 2 at bottom plate 1 upper surface, with locking bolt pole 7 threaded connection in locking groove 6, with current signal interface 3 fixed connection in

bottom plate

1 and 2 inner walls of top plate, insert the electric wire flood peak 4 earlier, when the electric wire gets into deformation chamber 14 in, extrude sealed piece 16, make the electric wire get into line mouth 15 in, the bounce through sealed piece 16 seals the electric wire, insert the electric wire again in the inside spread groove 11 of current signal interface 3, fix the electric wire through the fixed ring 12 of the inside circuit that sets up of spread groove 11, the electric wire is located circuit signal interface 3 one end along line groove 13 and pin 9 and contacts, at last with waterproof head 4 threaded connection on the current signal interface right side, waterproof performance is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a wire harness end current signal interface structure, includes bottom plate (1), an upper fixed plate (2), circuit signal interface (3) and flood peak (4), its characterized in that: the upper surface of the lower fixing plate (1) and the lower surface of the upper fixing plate (2) are both provided with an interface fixing groove (5), the right sides of the lower fixing plate (1) and the upper fixing plate (2) are both provided with a locking groove (6), the inside of the locking groove (6) is in threaded connection with a locking threaded rod (7), the left side and the right side of the circuit signal interface (3) are both fixedly provided with a limiting ring (8), the left side of the circuit signal interface (3) is fixedly connected with a pin (9), the outer wall of a bump on the right side of the circuit signal interface (3) is provided with a connecting external thread (10), the inside of the circuit signal interface (3) is provided with a connecting groove (11), the inside of the connecting groove (11) is fixedly provided with a plurality of circuit fixing rings (12), the inside of the circuit fixing ring (12), the water-proof head is characterized in that a wire inlet (15) is formed in the water-proof head (4), sealing blocks (16) are arranged in the upper side and the lower side of the wire inlet (15), and a connecting internal thread (17) is arranged on the inner wall of a concave position on the left side of the water-proof head (4).

2. The wire harness end current signal interface structure of claim 1, wherein: the thickness of the sealing block (16) is gradually reduced from outside to inside.

3. The wire harness end current signal interface structure of claim 1, wherein: the two interface fixing grooves (5) are of semicircular structures, and the section radius of a fixing ring formed by combining the two interface fixing grooves (5) is the same as that of the circuit signal interface (3).

4. The wire harness end current signal interface structure of claim 1, wherein: the inner wall of the locking groove (6) is provided with a thread matched with the locking threaded rod (7).

5. The wire harness end current signal interface structure of claim 1, wherein: the top of the upper fixing plate (2) is movably connected to the top of the lower fixing plate (1).