CN217562962U

CN217562962U - High-current connector

Info

Publication number: CN217562962U
Application number: CN202220995619.0U
Authority: CN
Inventors: 孙晓冬; 刘仁静
Original assignee: Suzhou Yonghao Technology Co ltd
Current assignee: Suzhou Yonghao Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-10-11
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a high-current connector, which is characterized by comprising a plastic base, a cap, a waterproof ring, a shielding sleeve, a shielding pipe and a waterproof pad, wherein the plastic base is provided with an upper cavity and a lower cavity, and a partition plate is arranged between the upper cavity and the lower cavity; the waterproof ring is packaged in the lower cavity through the cap, the cap is in sealed connection with the edge of the lower cavity, the shielding sleeve is fixedly installed in the upper cavity, the shielding pipe is pressed and fixed in the shielding sleeve, the shielding pipe, the partition plate, the waterproof ring and the cap are provided with wire routing holes along the axial direction, and the diameter of the wire routing hole of the waterproof ring is slightly smaller than the outer diameter of the cable; the plastic base upper surface is equipped with the seal groove at last cavity periphery, be equipped with waterproof pad in the seal groove, waterproof pad upper surface exceeds the plastic base upper surface. The utility model discloses the connector is with low costs, water-proof effects is good, shielding performance is good.

Description

High-current connector

Technical Field

The utility model relates to a connector technical field, more specifically say, relate to a high-pressure heavy current connector.

Background

Connector technology has been widely used in life, such as in industries of energy storage supply systems, power systems, new energy vehicles, and the like. With the improvement of living standard and new energy automobile industry brought by scientific and technological development, more and more people select new energy to electrically go out. And all the electric elements and the electric equipment in the new energy automobile are connected with each other through the wire harness and the connector. The shockproof and waterproof functions of the connector are particularly important, but most of the existing connector products are machined, so that the defects of high cost, poor waterproof effect, poor shielding performance and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a high current connector for solve current high current connector with high costs, the waterproof effect is poor and shielding performance is not good problem.

In order to achieve the above technical effect, the utility model discloses a technical scheme is:

a high-current connector is characterized by comprising a plastic base, a cover cap, a waterproof ring, a shielding sleeve, a shielding pipe and a waterproof pad, wherein the plastic base is provided with an upper cavity and a lower cavity, and a partition plate is arranged between the upper cavity and the lower cavity; the waterproof ring is packaged in the lower cavity through the cap, the cap is hermetically connected with the edge of the lower cavity, the shielding sleeve is fixedly installed in the upper cavity, the shielding pipe is pressed and fixed in the shielding sleeve, the shielding pipe, the partition plate, the waterproof ring and the cap are provided with wire routing holes along the axial direction, and the wire routing holes of the waterproof ring are in interference fit with the cables; the plastic base upper surface is equipped with the seal groove at last cavity periphery, be equipped with waterproof pad in the seal groove, waterproof pad upper surface exceeds the plastic base upper surface.

Furthermore, an annular clamping groove is formed in the outer wall of the upper end of the shielding sleeve, a shielding elastic sheet is arranged in the clamping groove, and the shielding elastic sheet is an opening wave-shaped elastic washer.

Furthermore, hangers attached to the outer wall of the lower end of the plastic base are symmetrically arranged on the outer wall of the cover cap, guide grooves are formed in the end heads of the inner walls of the hangers, clamping holes are formed in the middle of the hangers, and clamping blocks are correspondingly arranged on the plastic base.

Furthermore, waterproof circle bottom edge is equipped with in turn-ups and flanging, still is equipped with the protruding circle that a plurality of is parallel on the waterproof circle inside and outside wall, the block and plastic base pass through flanging sealing connection, waterproof circle passes through protruding circle and the lower cavity interference fit on the outer wall.

Furthermore, the inner wall of the upper chamber is provided with an anti-rotation groove, and the outer wall of the shielding sleeve is provided with an anti-rotation lug corresponding to the anti-rotation groove.

Further, still include the rigid cover, plastic base bight is equipped with the mounting hole, installation Kong Biaobi is equipped with anti-drop slot tooth, the rigid cover is established through the slot tooth and is fixed in the mounting hole.

Furthermore, the plastic base is provided with a mounting base plate and three cylindrical bodies located on the lower surface of the mounting base plate, the three cylindrical bodies are arranged on the mounting base plate at equal intervals, the center of each cylindrical body corresponding to the plastic base is provided with an independent cavity which penetrates through the plastic base, and each independent cavity is formed by the upper cavity, the lower cavity and the wire hole.

Furthermore, a plurality of reinforcing ribs are arranged on the lower surface of the mounting bottom plate, and the three cylindrical bodies are connected into a whole through two of the reinforcing ribs.

Further, the mounting plate forms a whole sink groove at the peripheral seal groove interconnection of each upper chamber, waterproof pad is the same with sink groove appearance, and waterproof pad peripheral upper surface is higher than other position surfaces, sink groove and waterproof pad still are equipped with the anticreep post and the anticreep hole of mutually supporting.

Furthermore, a material-saving groove is formed in the upper surface of the plastic base.

Compared with the prior art, the beneficial effects of the utility model are that: through adopting the base to be the main casing body, install the housing and the waterproof circle of taking the shielding pipe respectively in the upper and lower cavity, the cable passes the line hole that shields pipe, baffle, waterproof circle and block in proper order when using, thereby the utility model discloses the connector is with low costs, and shielding property is good, and during the use, one end is sealed with external equipment through waterproof the pad, and the other end is sealed through waterproof circle to the water-proof effects has been improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.

Drawings

Fig. 1 is a perspective view of the connector of the present invention;

fig. 2 is a bottom view of the connector of the present invention;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 3;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

fig. 5 is an exploded view of the connector of the present invention;

fig. 6 is a schematic view of a base structure of the connector of the present invention;

fig. 7 is a schematic view of a cap structure of the connector of the present invention;

fig. 8 is a schematic structural view of a waterproof ring of the connector of the present invention;

fig. 9 is a view showing a usage state of the connector of the present invention.

Description of reference numerals:

1. a base, 11, a mounting bottom plate, 12, a cylindrical body,

13. Sink groove, 14 material-saving groove, 15 anti-drop column,

16. Mounting holes 17, reinforcing ribs 18, clamping blocks,

2. A cover cap, 21. A hanging lug, 22. A clamping hole,

23. A guide groove, 3 waterproof rings, 31 flanging,

32. Convex ring, 4 shield sleeves, 41 clamping grooves,

42. Anti-rotation lug, 5 shielding tube, 6 shielding elastic sheet,

7. A rigid sleeve, 8 waterproof pads and 9 cables.

Detailed Description

A high-current connector is shown in figures 1-9 and comprises a base 1, a cap 2, a waterproof ring 3, a shielding sleeve 4, a shielding pipe 5 and a rigid sleeve 7. The base 1 and the cap 2 adopt a plastic injection molding shell structure, preferably PA66GF25 material, which can save cost and facilitate processing. The base 1 is formed by a mounting bottom plate 11 and a cylindrical body 12 positioned on the lower surface of the mounting bottom plate 11, and the upper surface of the mounting bottom plate 11 is provided with a material-saving groove 14. The number of the cylindrical bodies 12 in the length direction of the mounting base plate 11 is three, the base 1 is provided with an independent chamber which penetrates up and down at the center position corresponding to each cylindrical body 12, and the independent chamber comprises an upper chamber, a lower chamber and a central line hole on a partition plate for separating the upper chamber from the lower chamber. For increasing the overall strength of the base 1, the joint of the lower surface of the mounting base plate 11 and the outer wall of the cylindrical body 12 is provided with a plurality of reinforcing ribs 17, and the three cylindrical bodies 12 are connected into a whole through two reinforcing ribs 17 at the central plane. In order to ensure the waterproof performance of the edge of the upper cavity when the connector is assembled with external equipment, a circle of sealing groove is arranged on the periphery of each upper cavity of the mounting bottom plate 11, the sealing grooves of the three upper cavities are interconnected to form an integral sinking groove 13, a raised anti-falling column 15 is arranged in the sinking groove 13, a waterproof pad 8 matched with the overall dimension of the sinking groove 13 is embedded and fixed in the sinking groove 13, the upper surface of the periphery of the waterproof pad 8 is higher than the surfaces of other parts and the upper surface of the mounting bottom plate 11, and the waterproof pad 8 is made of flexible materials such as silica gel or rubber. Preferably, for the convenience of installation, the installation bottom plate 11 is provided with installation holes 16 at four corners, the surface wall of the installation hole 16 is provided with groove teeth for preventing the steel sleeve 7 from falling off, and the steel sleeve 7 is fixedly embedded in the installation hole 16 through the groove teeth. And rigid cover 7 is as the rigid support when base 1 of plastic casing assembles with external equipment, and it preferably adopts SUS304 or other metal material, like this, can not lead to base 1 to take place to warp after through screw locking, can not lead to waterproof pad 8 sealed effect inefficacy. The other end of the connector is waterproof, the waterproof ring 33 is a cylindrical structure processed by silica gel materials, the center of the waterproof ring is provided with a wire passing hole, the edge of the bottom is provided with an inward flange and an outward flange 31, the inner surface wall and the outer surface wall of the waterproof ring are provided with a plurality of parallel convex rings 32, the outer diameter of the outer wall convex ring 32 is slightly larger than the diameter of the lower cavity, and the inner diameters of the inner wall convex ring 32 and the inward flange are slightly smaller than the diameter of the cable 9 to be passed through. Waterproof circle 3 inlays through elastic extrusion and establishes in lower cavity, and its turn-ups 31 butt 12 lower surfaces of cylindricality body, and block 2 lid is established at 12 lower extremes of cylindricality body and butt turn-ups 31, and block 2 is fixed through block structure block between the cylindricality body 12. Preferably, the outer wall of the cap 2 is symmetrically provided with lugs 21 attached to the outer wall of the cylinder 12, the inner wall ends of the lugs 21 are provided with guide grooves 23, the middle of the lugs 21 is provided with engaging holes 22, the base 1 is correspondingly provided with engaging blocks 18, and the engaging blocks 18 are engaged in the engaging holes 22 through the guide grooves 23 when the cap 2 is installed. The shield sleeve 4 and the shield tube 5 are arranged in the upper cavity of the base 1, the shield tube 5 is firstly fixed in the shield sleeve 4 in a compression joint mode, then the shield sleeve 4 and the shield tube 5 which are subjected to compression joint are integrally and fixedly arranged in the upper cavity, the outer wall of the upper end of the shield sleeve 4 is provided with an annular clamping groove 41, and a shielding elastic sheet 6 is clamped in the clamping groove 41. Wherein, shielding pipe 5 and shield sleeve 4 all adopt brass H59 or other metal material, and shielding pipe 5 is used for that cable 9 shielding layer is fixed, and shield sleeve 4 is used for preventing that cable or equipment from taking place the connection that can be reliable after the electric leakage, and shielding shell fragment 6 adopts SUS304 or other metal material, and it is opening wave form elasticity packing ring, and shielding shell fragment 6 is used for the equipement to be connected with cable shield part. Preferably, in order to prevent the cable 9 and the shielding sleeve 4 from rotating in the upper cavity together due to the fact that the shielding sleeve 4 is not firmly fixed in the upper cavity after the cable 9 is installed, an anti-rotating groove is formed in the inner wall of the upper cavity, and an anti-rotating lug 42 is arranged on the outer wall of the shielding sleeve 4 corresponding to the anti-rotating groove.

The utility model discloses when the connector used, the cable passed the block in proper order, waterproof circle, a pedestal, housing and shielding pipe, expose the cable shielding after skinning the cable again and turn over the shielding pipe, take the cable shielding to put into the housing inner chamber with the shielding pipe, after targetting in place compress tightly the cavity on the base of packing into with the crimping pliers, then push the waterproof circle in the cavity of resorption, the rethread block compresses tightly waterproof circle and fixes block and base through the hangers, the shielding shell fragment is gone into to the draw-in groove inside callipers, waterproof pad is put into and is sunk the groove, it is fixed with base and external equipment to pass through the screw at last just cover. The utility model discloses the connector can pass three wires, and every cable is independent of in every independent cavity, and is small, can realize that the heavy current is connected, and the cable shielding passes behind shielding pipe, the housing crimping and can reach waterproof dustproof effect, safe and reliable after passing plastic base assembly completion.

The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.

Claims

1. A high-current connector is characterized by comprising a plastic base, a cover cap, a waterproof ring, a shielding sleeve, a shielding pipe and a waterproof pad, wherein the plastic base is provided with an upper cavity and a lower cavity, and a partition plate is arranged between the upper cavity and the lower cavity; the waterproof ring is packaged in the lower cavity through the cap, the cap is hermetically connected with the edge of the lower cavity, the shielding sleeve is fixedly installed in the upper cavity, the shielding pipe is pressed and fixed in the shielding sleeve, the shielding pipe, the partition plate, the waterproof ring and the cap are provided with wire routing holes along the axial direction, and the wire routing holes of the waterproof ring are in interference fit with the cables; the plastic base upper surface is equipped with the seal groove at last cavity periphery, be equipped with waterproof pad in the seal groove, waterproof pad upper surface exceeds the plastic base upper surface.

2. A high current connector according to claim 1, wherein the outer wall of the upper end of the shielding sleeve is provided with an annular clamping groove, a shielding elastic sheet is arranged in the clamping groove, and the shielding elastic sheet is an open wave-shaped elastic washer.

3. A high current connector according to claim 1, wherein the outer wall of the cap is symmetrically provided with lugs attached to the outer wall of the lower end of the plastic base, the inner wall ends of the lugs are provided with guiding grooves, the middle part of the lugs are provided with engaging holes, and the plastic base is correspondingly provided with engaging blocks.

4. A high current connector according to claim 1, wherein the bottom edge of the waterproof ring is provided with an inner flange and an outer flange, the inner wall and the outer wall of the waterproof ring are further provided with a plurality of parallel convex rings, the cover cap and the plastic base are in sealing connection through the outer flanges, and the waterproof ring is in interference fit with the lower cavity through the convex rings on the outer wall.

5. A large current connector as claimed in claim 1, wherein said upper chamber has an anti-rotation slot on an inner wall thereof, and said shielding sleeve has an anti-rotation protrusion on an outer wall thereof corresponding to the anti-rotation slot.

6. The high-current connector according to claim 1, further comprising a steel sleeve, wherein a mounting hole is formed in a corner of the plastic base, the mounting Kong Biaobi is provided with an anti-falling notch, and the steel sleeve is embedded and fixed in the mounting hole through the notch.

7. A high current connector according to any one of claims 1 to 6, wherein said plastic base has a mounting plate and three cylindrical bodies located on the lower surface of the mounting plate, said three cylindrical bodies are equally spaced on the mounting plate, said plastic base has a through independent cavity at the center of each cylindrical body, said independent cavity is formed by said upper cavity, said lower cavity and said wire hole.

8. A high current connector according to claim 7, wherein said mounting base plate has a plurality of ribs formed on a lower surface thereof, and three of said cylindrical bodies are integrally connected by two of said ribs.

9. A high current connector according to claim 7, wherein the sealing grooves on the periphery of each upper chamber of the mounting plate are interconnected to form a sink groove, the waterproof pad and the sink groove have the same shape, the upper surface of the periphery of the waterproof pad is higher than the surfaces of other parts, and the sink groove and the waterproof pad are further provided with anti-separation posts and anti-separation holes which are matched with each other.

10. A high current connector according to claim 7, wherein said mounting base plate has a top surface provided with a economized groove.