CN214044102U - Via hole plastic high-voltage connector and wire harness assembly - Google Patents

Abstract

The utility model belongs to the technical field of the pencil, especially, relate to a via hole plastic high-pressure connector and pencil subassembly, via hole plastic high-pressure connector includes fixed baseplate and hou gai, fixed baseplate includes connecting sleeve and connection pad, the connection pad set up in on connecting sleeve's front end or the outer wall that is close to its front end, the back lid with the connecting sleeve is connected, via hole plastic high-pressure connector still includes the metallic shield shell, the metallic shield shell set up in within the fixed baseplate, just the one end of metallic shield shell is exposed outside the connection pad, the other end of metallic shield shell exposes within the connecting sleeve. The via hole plastic high-voltage connector and the wiring harness assembly of the utility model have good shielding function; and, overall structure is simple, and the part quantity is few, and the installation operation easily realizes.

Description

Via hole plastic high-voltage connector and wire harness assembly

Technical Field

The utility model belongs to the technical field of the pencil, especially, relate to a via hole plastic high voltage connector and pencil subassembly.

Background

The high-voltage connector is widely applied to power equipment such as new energy automobiles and rail transit, and is used for connecting the inside and the outside of the equipment to realize high-voltage electric transmission. The present via hole plastic high-voltage connector comprises a plurality of plastic parts and a plurality of hardware parts, and is complex in structure, poor in shielding function, high in cost, heavy in size, complex in installation and difficult to operate in use. Meanwhile, the conventional via hole plastic high-voltage connector uses a riveting mode for connecting the core wire of the wire harness and the terminal, is unstable in a production process, and can cause connection failure and even terminal falling phenomenon under severe environments, particularly environments with frequent changes of high temperature and low temperature, so that the use of electrical equipment is influenced.

Along with popularization and promotion of industrial products, cost is reduced, the use is convenient, the urgent cost is low, and the performance is reliable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a via hole plastic high voltage connector and pencil subassembly aims at solving the via hole plastic high voltage connector shielding function among the prior art poor, and the complicated and loaded down with trivial details technical problem of installation of structure.

In order to achieve the above object, an embodiment of the utility model provides a pair of via hole plastic high-voltage connector, including fixed baseplate and hou gai, fixed baseplate includes connecting sleeve and connection pad, the connection pad set up in on connecting sleeve's front end or the outer wall that is close to its front end, the back lid with connecting sleeve connects, via hole plastic high-voltage connector still includes the metallic shield shell, the metallic shield shell set up in within the fixed baseplate, just the one end of metallic shield shell is exposed outside the connection pad, the other end of metallic shield shell is exposed within the connecting sleeve.

Optionally, the outer wall of the connecting sleeve, which is close to the rear end of the connecting sleeve, is provided with an external thread, the rear cover is provided with a thread passing hole for the thread to pass through, an internal thread is arranged in the thread passing hole, the rear cover passes through the thread passing hole sleeve and is arranged outside the connecting sleeve, the internal thread is in threaded connection with the external thread, and a sealing ring which is extruded by the inner wall of the thread passing hole and the outer wall of the connecting sleeve is arranged between the rear cover and the connecting sleeve.

Optionally, the outer wall of the connecting sleeve is further provided with an outer annular groove, and the sealing ring is accommodated in the outer annular groove.

Optionally, the outer wall of the connecting sleeve is further provided with a limiting step for limiting the matching position of the rear cover and the connecting sleeve.

Optionally, the outer annular groove is located between the limiting step and the external thread.

Optionally, a sealing ring for wrapping the wire passing through the wire passing hole is arranged on the rear end side of the connecting sleeve, and the inner wall of the wire passing hole is pressed against the sealing ring.

Optionally, an inner annular groove is formed in an inner wall of the wire passing hole, and the sealing ring is accommodated in the inner annular groove.

Optionally, a plurality of inner annular ribs for abutting against the wire passing through the wire passing hole are protruded from the inner surface of the sealing ring, and a plurality of outer annular ribs for abutting against the inner wall of the inner annular groove are protruded from the outer surface of the sealing ring.

Optionally, the front end of the connecting disc is provided with a side annular groove, and a sealing gasket is accommodated in the side annular groove.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the via hole plastic high voltage connector have one of following technological effect at least: when the wire fixing base is used, the rear cover and the connecting sleeve are firstly ensured to be in a loose state, then a wire penetrates through the rear cover and the connecting sleeve, the connecting disc arranged on the connecting sleeve is used for locking and connecting an external equipment panel, then the rear cover is screwed and connected outside the connecting sleeve, so that the wire can be fixed, and due to the fact that the metal shielding shell is arranged in the fixing base, one end of the metal shielding shell is exposed out of the connecting disc to be connected with an external part, and the other end of the metal shielding shell is exposed out of the connecting sleeve to be connected with the wire, a good shielding function can be achieved; and, overall structure is simple, and the part quantity is few, and the installation operation easily realizes.

The utility model discloses another embodiment provides a wire harness assembly, it includes wire rod, connecting terminal and foretell via hole plastic high voltage connector, the wire rod passes connecting sleeve, just the front end of wire rod with connecting terminal adopts ultrasonic welding to become an organic whole, the rear end of wire rod is worn to establish cross the line hole and extend to cross outside the line hole.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the wire harness assembly have one of following technological effect at least: the utility model discloses a wire harness assembly is owing to use there is foretell via hole plastic high voltage connector, can improve wire harness assembly's shielding function through the setting of foretell via hole plastic high voltage connector to, overall structure is simple, easily realizes the installation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a via hole plastic high-voltage connector according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the via hole plastic high-voltage connector in fig. 1.

Fig. 3 is an exploded view of the via hole plastic high-voltage connector shown in fig. 1.

Fig. 4 is a schematic structural diagram of a wire harness assembly provided by an embodiment of the present invention.

Fig. 5 is a cut-away view of the wire harness assembly of fig. 4.

Wherein, in the figures, the respective reference numerals:

10-fixed base 11-connecting sleeve 12-connecting disc

20-rear cover 21-wire passing hole 30-sealing ring

40-sealing ring 41-inner annular rib 42-outer annular rib

50-sealing washer 60-wire 70-connecting terminal

80-metal shielding shell 111-external thread 112-external annular groove

113-limit step 121-side annular groove 122-threaded hole

123-locking bolt 211-internal thread 212-internal annular groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-5 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 3, a via hole plastic high-voltage connector is provided, which includes a fixing base 10 and a rear cover 20, the fixing base 10 includes a connecting sleeve 11 and a connecting disc 12, the connecting disc 12 is disposed on the front end of the connecting sleeve 11 or the outer wall near the front end thereof, the rear cover 20 is connected to the connecting sleeve 11, the via hole plastic high-voltage connector further includes a metal shielding shell 80, the metal shielding shell 80 is disposed in the fixing base 10, and one end of the metal shielding shell 80 is exposed outside the connecting disc 12, and the other end of the metal shielding shell 80 is exposed in the connecting sleeve 11. When the wire fixing device is used, the rear cover 20 and the connecting sleeve 11 are firstly ensured to be in a loose state, then the wire 60 penetrates through the rear cover 20 and the connecting sleeve 11, wherein the connecting disc 12 arranged on the connecting sleeve 11 is used for locking and connecting an external equipment panel, then the rear cover 20 is screwed and connected outside the connecting sleeve 11, so that the wire can be fixed, and due to the fact that the metal shielding shell 80 is arranged in the fixing base 10, one end of the metal shielding shell 80 is exposed out of the connecting disc to be connected with an external part, and the other end of the metal shielding shell 80 is exposed out of the connecting sleeve 11 to be connected with the wire 60, a good shielding function can be achieved; and, overall structure is simple, and the part quantity is few, and the installation operation easily realizes.

In another embodiment of the present invention, as shown in fig. 1 to 3 and 5, a via hole plastic high-voltage connector is provided, including a fixing base 10 and a rear cover 20, the fixing base 10 includes a connecting sleeve 11 and a connecting disc 12, the connecting disc 12 is disposed on the front end of the connecting sleeve 11 or the outer wall near the front end thereof, the outer wall near the rear end of the connecting sleeve 11 is provided with an external thread 111, the rear cover 20 is provided with a thread passing hole 21 for the wire rod 60 to penetrate, an internal thread 211 is disposed in the thread passing hole 21, the rear cover 20 passes through the thread passing hole 21 and is sleeved outside the connecting sleeve 11, the internal thread 211 is in threaded connection with the external thread 111, the rear cover 20 is in threaded connection with the connecting sleeve 11, between which a quilt is disposed on the inner wall of the thread passing hole 21 and the sealing ring 30 extruded from the outer wall of the connecting sleeve 11.

The embodiment of the utility model provides a hole high-voltage connector, during the use, ensure earlier that hou gai 20 and connecting sleeve 11 are in the unclamping state, later wear to establish line hole 21 and connecting sleeve 11 of hou gai 20 with wire rod 60, wherein, the connection pad 12 that sets up on connecting sleeve 11 is used for outside equipment panel locking to be connected, after that will screw up hou gai 20 and connect outside connecting sleeve 11, can realize fixing wire rod 60 like this, and owing to be provided with sealed circle 30 between hou gai 20 and connecting sleeve 11, sealed circle 30 takes place deformation under the common extrusion of the inner wall of line hole 21 and the outer wall of connecting sleeve 11, sealed circle 30 plugs up the clearance between hou gai 20 and the connecting sleeve 11 through deformation, reach waterproof purpose greatly. The utility model discloses a hole high-voltage connector simple structure, part is small in quantity, and the installation easily realizes, and water-proof effects is good.

In another embodiment, the difference from the above embodiment is that: the via hole plastic high-voltage connector comprises a fixed base 10 and two rear covers 20, the fixed base 10 comprises a connecting disc 12 and two connecting sleeves 11, the two connecting sleeves 11 are arranged side by side, the connecting disc 12 is simultaneously connected outside the two connecting sleeves 11, and the two rear covers 20 are respectively matched with the two connecting sleeves 11. The via hole plastic high-voltage connector with the structure can be applied to connecting two wires 60.

In another embodiment of the present invention, as shown in fig. 3, the outer wall of the connecting sleeve 11 is further provided with an outer annular groove 112, and the sealing ring 30 is received in the outer annular groove 112. Specifically, the outer annular groove 112 is configured to accommodate the sealing ring 30 for positioning and limiting the sealing ring 30, i.e., avoiding the sealing ring 30 from being dislocated when the rear cover 20 is screwed down, so as to ensure that the sealing ring 30 can achieve the sealing and waterproof effects.

In another embodiment of the present invention, as shown in fig. 2, the outer wall of the connecting sleeve 11 is further provided with a limiting step 113, the limiting step 113 is used to limit the matching position of the rear cover 20 and the connecting sleeve 11, that is, when the rear cover 20 is screwed down relative to the connecting sleeve 11, the limiting step 113 can limit the moving position of the rear cover 20, and when the rear cover 20 is blocked by the limiting step 113, the screwing of the rear cover 20 is stopped, and the damage of the components is avoided.

In another embodiment of the present invention, as shown in fig. 5, the outer annular groove 112 is located between the limit step 113 and the external thread 111. In this way, the sealing circle 30 is provided without affecting the fit between the internal thread 211 and the external thread 111.

In another embodiment of the present invention, as shown in fig. 2 to 3 and 5, a sealing ring 40 for covering the wire 60 passing through the wire hole 21 is disposed at the rear end side of the connecting sleeve 11, and the inner wall of the wire hole 21 abuts against the sealing ring 40. The sealing ring 40 can form a first waterproof line, when the wire 60 passes through the wire passing hole 21, the wire 60 also passes through the sealing ring 40, so that the sealing ring 40 covers the wire 60, and the sealing ring 40 is deformed under the abutting of the inner wall of the wire passing hole 21 (i.e. under the action of the extrusion force of the rear cover 20), thereby sealing the gap between the inner wall of the wire passing hole 21 and the wire 60, and thus forming the waterproof function.

In another embodiment of the present invention, as shown in fig. 5, the inner wall of the wire passing hole 21 is provided with an inner annular groove 212, and the sealing ring 40 is received in the inner annular groove 212. The inner annular groove 212 is used for positioning and limiting the sealing ring 40, and the sealing ring 40 is positioned through the inner annular groove 212, so that the sealing ring 40 can be prevented from being dislocated when the rear cover 20 is matched with the connecting sleeve 11, and the sealing ring 40 can normally play a role of a first waterproof line.

In another embodiment of the present invention, as shown in fig. 3 and 5, a plurality of inner annular ribs 41 for abutting against the wire 60 passing through the wire passing hole 21 are protruded from the inner surface of the sealing ring 40, and a plurality of outer annular ribs 42 for abutting against the inner wall of the inner annular groove 212 are protruded from the outer surface of the sealing ring 40. Specifically, under the extrusion force effect of back lid 20, annular protruding muscle 41 in a plurality of and the outer annular protruding muscle 42 in a plurality of support respectively and press on the inner wall of wire rod 60 and interior annular groove 212, through the deformation of annular protruding muscle 41 in a plurality of and the outer annular protruding muscle 42 in a plurality of, the clearance that probably exists can be sealed more reliably, improves sealed water-proof effects.

In another embodiment of the present invention, as shown in fig. 3 to 5, a side annular groove 121 is provided at the front end of the connection plate 12, and a sealing washer 50 is accommodated in the side annular groove 121. Specifically, the sealing gasket 50 functions to abut the equipment panel and form a waterproof line before the connection of the disc 12 to the equipment panel. And the function of the side annular groove 121 is to position and limit the sealing washer 50, ensure that the sealing washer 50 is not dislocated, and improve the reliability of sealing and water proofing.

In this embodiment, as shown in fig. 5, the effect of the sealing ring 30, the sealing ring 40 and the sealing washer 50 is combined, so that the whole via hole plastic high-pressure connector has high sealing performance, and under severe environment, the connector is dustproof, waterproof and oil-proof, and is suitable for severe environment, and the sealing performance is still reliable.

Further, as shown in fig. 3 and 5, the connecting disc 12 is a flange, at least two threaded holes 122 are formed in the connecting disc 12 at two opposite times, and each threaded hole 122 is connected with a locking bolt 123, so that the connecting disc can be connected with the equipment panel in a locking manner through the locking bolt 123, and the connecting disc is also convenient to assemble and disassemble.

As shown in fig. 4-5, another embodiment of the present invention provides a wire harness assembly, which includes a wire 60, a connecting terminal 70 and the above via hole plastic high-voltage connector, the wire 60 passes through the connecting sleeve 11, and the front end of the wire 60 is connected to the connecting terminal 70, the rear end of the wire 60 is inserted into the via hole 21 and extends to the outside of the via hole 21. The embodiment of the utility model provides a this wire harness assembly is owing to the use has foretell via hole plastic high voltage connector, owing to this via hole plastic high voltage connector overall structure is simple, and then can ensure that wire harness assembly realizes the installation more easily.

Further, the utility model discloses a wire harness assembly is owing to use there is foretell via hole plastic high voltage connector, can improve wire harness assembly's shielding function through the setting of foretell via hole plastic high voltage connector to, overall structure is simple, easily realizes the installation.

In another embodiment of the wire harness assembly of the present invention, the front end of the wire 60 and the connection terminal 70 are integrally welded by ultrasonic welding. After the connection is performed by the ultrasonic welding process, the stability between the connection terminal 70 and the wire 60 is more reliable.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a via hole plastic high-voltage connector, includes fixed baseplate and back lid, fixed baseplate includes connecting sleeve and connection pad, the connection pad set up in connecting sleeve's front end or be close to on the outer wall of its front end, the back lid with connecting sleeve connects its characterized in that: the via hole plastic high-voltage connector further comprises a metal shielding shell, the metal shielding shell is arranged in the fixed base, one end of the metal shielding shell is exposed out of the connecting disc, and the other end of the metal shielding shell is exposed in the connecting sleeve.

2. The via plastic high-voltage connector of claim 1, wherein: the outer wall that connecting sleeve is close to its rear end is provided with the external screw thread, the back lid is provided with the line hole of crossing that supplies the wire rod to wear to establish, cross the downthehole internal thread that is provided with of line, the back lid passes through cross the line pot head and locate outside the connecting sleeve, the internal thread with external screw thread threaded connection, the back lid with be provided with between the connecting sleeve by the inner wall of line hole with connecting sleeve's outer wall extruded sealed circle.

3. The via plastic high-voltage connector of claim 2, wherein: the outer wall of the connecting sleeve is also provided with an outer annular groove, and the sealing ring is accommodated in the outer annular groove.

4. The via plastic high-voltage connector according to claim 3, wherein: the outer wall of the connecting sleeve is also provided with a limiting step for limiting the matching position of the rear cover and the connecting sleeve.

5. The via plastic high-voltage connector according to claim 4, wherein: the outer annular groove is located between the limiting step and the external thread.

6. The via plastic high-voltage connector of claim 2, wherein: the rear end side of the connecting sleeve is provided with a sealing ring used for wrapping the wire penetrating through the wire passing hole, and the inner wall of the wire passing hole is pressed against the sealing ring.

7. The via plastic high-voltage connector according to claim 6, wherein: the inner wall of the wire passing hole is provided with an inner annular groove, and the sealing ring is accommodated in the inner annular groove.

8. The via plastic high-voltage connector according to claim 7, wherein: the inner surface of the sealing ring is convexly provided with a plurality of inner annular convex ribs which are used for being abutted against the wire passing through the wire passing hole, and the outer surface of the sealing ring is convexly provided with a plurality of outer annular convex ribs which are used for being abutted against the inner wall of the inner annular groove.

9. The via hole plastic high-voltage connector according to any one of claims 2 to 8, wherein: the front end of the connecting disc is provided with a side annular groove, and a sealing gasket is arranged in the side annular groove.

10. A wire harness assembly characterized by: the via hole plastic high-voltage connector comprises a wire rod, a connecting terminal and the via hole plastic high-voltage connector as claimed in any one of claims 2 to 9, wherein the wire rod penetrates through the connecting sleeve, the front end of the wire rod and the connecting terminal are welded into a whole through ultrasonic welding, and the rear end of the wire rod penetrates through the wire passing hole and extends out of the wire passing hole.

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