CN219371520U

CN219371520U - High-power direct current charging seat

Info

Publication number: CN219371520U
Application number: CN202320419369.0U
Authority: CN
Inventors: 刘仰航; 雷波; 彭建华
Original assignee: Zhejiang Lida Electric Appliance Co ltd
Current assignee: Zhejiang Lida Electric Appliance Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-18
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a high-power direct-current charging seat, and relates to the technical field of new energy automobile charging seats. The cable connector comprises a main shell, a tail cover and a flange plate, wherein a connecting terminal and a signal terminal are arranged in the main shell, at least two external wires are connected to the signal terminal, a plurality of separated wire holes are formed in the tail cover, and the external wires respectively penetrate through the corresponding wire holes. Even if one of the external wires is damaged, the other external wire can be used continuously, so that the signal terminals are kept connected, normal use of the product is ensured, the wire holes are arranged separately, and the possibility that all the two external wires are damaged is reduced. The connecting terminal is connected with a DC cable, a cable hole for the cable to pass through is formed in the tail cover, a sealing sleeve is arranged in the cable hole, and the sealing sleeve is attached to and wrapped on the periphery of the DC cable. And the DC cable is independently sealed, so that leakage at the position of the DC cable is reduced, and the sealing effect is improved.

Description

High-power direct current charging seat

Technical Field

The utility model relates to the technical field of new energy automobile charging seats, in particular to a high-power direct current charging seat.

Background

With the increasing maturity of new energy automobile technology, new energy automobiles are gradually accepted by markets, and therefore, charging seats for charging connection on new energy automobiles are also increasingly important. There are some problems with the design of the existing charging stand in detail, such as: 1. the signal terminals of the charging seat in the prior art are usually connected in a single wire manner, namely, are connected with a control circuit through a wire, and in the installation process of the charging seat, the wire is easily damaged and disconnected, so that the use of the charging seat is influenced; 2. the prior published Chinese utility model patent is as follows: (publication number: CN 213959226U) a charging socket assembly, which realizes a waterproof and dust-proof seal by a gasket between a tail cover and a housing, the gasket seals the bottom of the whole housing, but the gasket has a large extrusion force due to the large size and weight of a high-power DC cable, and excessive distortion occurs to the gasket, resulting in a risk of leakage at the DC cable; 3. the problem that the assembly operation degree of difficulty is high exists in the casing design of current charging seat, and then makes the inefficiency problem that exists the equipment structurally.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects in the prior art, the utility model provides a high-power direct-current charging seat, which solves the problems.

The technical scheme of the utility model is as follows: the connecting terminal and the signal terminals are installed in the main shell, at least two external wires are connected to each signal terminal, a plurality of separated wire holes are formed in the tail cover, and the external wires respectively penetrate through the corresponding wire holes.

By adopting the technical scheme, even if one external lead is damaged, the other external lead can be used continuously, so that the signal terminal is kept connected, the normal use of the product is ensured, the wire holes are separated, the separated positions are arranged, and the possibility that all the two external leads are damaged is reduced.

The utility model is further provided with: the connecting terminal is connected with a DC cable, a cable hole for the cable to pass through is formed in the tail cover, a sealing sleeve is arranged in the cable hole, and the sealing sleeve is attached to and wrapped on the periphery of the DC cable.

Adopt above-mentioned further setting, seal DC cable alone, reduce the leakage of DC cable department, promote sealed effect.

Still further, the present utility model provides: the tail buckle is arranged at the orifice of the cable hole, and is arranged on the tail cover and extruded on the sealing sleeve.

By adopting the further arrangement, the tail buckle can limit and fix the sealing sleeve, ensure the sealing stability and facilitate the assembly of the sealing sleeve.

Still further, the present utility model is provided with: the outer wall and the inner wall of the sealing sleeve are respectively provided with a plurality of annular convex ribs, and the annular convex ribs are arranged along the axial direction of the sealing sleeve.

By adopting the further arrangement, the extrusion degree of the sealing sleeve and the DC cable is increased, so that the sealing sleeve and the DC cable are contacted and compacted, and the tightness is further enhanced.

Still further, the present utility model is provided with: an installation frame is integrally connected in the main shell, and a first hollow column for installing the connecting terminal and the signal terminal is arranged on the installation frame.

Adopt above-mentioned still further setting, integrated into one piece's main casing and mounting bracket can reduce the equipment degree of difficulty to the structure is more reliable and stable.

Still further, the present utility model is provided with: install the support between mounting bracket and the tail-hood, seted up the hollow post of second in the support, the mounting hole has been seted up to the radial one side of the hollow post of second, the hollow post of second is the cavity shape, and its top is provided with the bead, connecting terminal, signal terminal all set up the annular with the bead adaptation, connecting terminal, signal terminal are packed into in the hollow post of second from one side mounting hole and the annular cooperatees with the bead in order to form fixedly.

By adopting the further arrangement, the fixing mode of the connecting terminal and the signal terminal is simple and effective, the structure is compact, and the assembly is convenient.

Still further, the present utility model is provided with: the bottom surface of support has seted up the resistance mounting groove, and the resistance mounting groove is located between two second hollow posts that are used for fixed connection terminal.

By adopting the further arrangement, the resistor in the resistor mounting groove is convenient to assemble.

Still further, the present utility model is provided with: a wire sealing body is arranged between the tail cover and the bracket, and is respectively in sealing contact with the DC cable, the external lead and the tail cover.

By adopting the further arrangement, the sealing can be formed in the main shell, so that double-layer sealing is formed, water infiltration is prevented, and the waterproof and dustproof effects are ensured.

Still further, the present utility model is provided with: the main shell is detachably arranged on the flange plate, one end of the flange plate is provided with an axially protruding convex ring, and the convex ring is provided with an inwards concave locking groove.

By adopting the arrangement, the flange plate and the main shell are arranged in a split mode, the whole main shell is required to be replaced when the flange plate is prevented from being damaged, and the locking groove can provide an external lock for locking operation, so that the charging seat is prevented from being opened abnormally.

Still further, the present utility model is provided with: the lock groove is embedded with a metal reinforcing block to ensure the strength of the lock groove.

By adopting the further arrangement, the metal reinforcing block covers the inner wall of the locking groove, so that the damage of the locking groove is avoided.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a portion of an embodiment of the present utility model (hidden main housing, flange);

FIG. 4 is a schematic diagram of a portion of a second embodiment of the present utility model (hidden main housing, flange);

FIG. 5 is a schematic view of the structure of the bracket of the present utility model;

FIG. 6 is a schematic view of the structure of the flange plate of the present utility model;

1, a main shell; 2. a tail cover; 3. a flange plate; 4. a connection terminal; 5. a signal terminal; 51. externally connecting a wire; 21. a wire hole; 22. a cable hole; 23. sealing sleeve; 24. tail buckles; 231. a ring rib; 11. a mounting frame; 12. a first hollow column; 6. a bracket; 61. a second hollow column; 611. a mounting hole; 612. a rib; 42. a ring groove; 62. a resistor mounting groove; 25. a wire seal; 31. a convex ring; 32. a locking groove; 33. a metal reinforcing block.

Description of the embodiments

The high-power direct current charging seat as shown in fig. 1 and 4 comprises a main shell 1, a tail cover 2 and a flange plate 3, wherein the flange plate 3 and the tail cover 2 are respectively and fixedly installed on the top and the bottom of the main shell 1, a connecting terminal 4 and a signal terminal 5 are installed in the main shell 1, each signal terminal 5 is connected with at least two external wires 51, a plurality of separated wire holes 21 are formed in the tail cover 2, the external wires 51 respectively penetrate through the corresponding wire holes 21, and each butt joint wire corresponds to one wire hole 21. At least two external wires 51 are electrically connected to the signal terminal 5 and the control system. During the assembly or use of the connector, even if one of the external leads 51 is damaged, at least one external lead 51 can be used continuously, so that the signal terminal 5 is connected with the control system. In order to avoid the external connection wires 51 in the same wire hole 21 from being damaged at the same time, the wire holes 21 are arranged at intervals, and each external connection wire 51 correspondingly penetrates into the corresponding wire hole 21.

As shown in fig. 1 and 2, a DC cable (not shown) is connected to the connection terminal 4, a cable hole 22 through which the cable passes is formed in the tail cover 2, a sealing sleeve 23 is mounted in the cable hole 22, and the sealing sleeve 23 is attached to the outer periphery of the DC cable, so that the sealing sleeve 23 seals a gap between the cable hole 22 and the DC cable. The separately provided sealing sleeve 23 maintains a seal against the DC cable at all times even if the DC cable generates a large pressing force.

As shown in fig. 1-4, a tail buckle 24 is installed at the orifice of the cable hole 22, the tail buckle 24 is buckled on the tail cover 2 and is extruded on the sealing sleeve 23, the sealing sleeve 23 is limited and fixed by the tail buckle 24 in a buckling manner, and the installation and the fixation are convenient.

As shown in fig. 1 and 2, a plurality of annular ribs 231 are respectively arranged on the outer wall and the inner wall of the sealing sleeve 23, the annular ribs 231 are arranged along the axial direction of the sealing sleeve 23, and the annular ribs 231 are in a convex shape, so that the extrusion contact with a DC cable can be enhanced, and the sealing effect is improved.

As shown in fig. 2, a mounting frame 11 is integrally connected in the main housing 1, a first hollow column 12 for accommodating the connection terminal 4 and the signal terminal 5 is provided on the mounting frame 11, the first hollow column 12 is hollow, and a pressing surface is provided at the top for limiting the bottoms of the connection terminal 4 and the signal terminal 5. The connection terminal 4 and the signal terminal 5 are inserted into the first hollow column 12 from bottom to top from the bottom of the first hollow column 12, and are limited and fixed at the top. The assembly is convenient, and the processing difficulty is low.

As shown in fig. 2 to 5, a bracket 6 is installed between the mounting frame 11 and the tail cover 2, a second hollow column 61 is provided in the bracket 6, a mounting hole 611 is provided at one radial side of the second hollow column 61, and the connection terminal 4 and the signal terminal 5 are mounted in the second hollow column 61 from the mounting hole 611 at one side to form a fixation. The second hollow column 61 is hollow, the top is provided with a convex rib 612, and the connecting terminal 4 and the signal terminal 5 are provided with annular grooves 42 matched with the convex rib 612. In the assembly of the connection terminal 4 and the signal terminal 5, for example, the connection terminal 4 is first pressed into the corresponding second hollow column 61 from the side mounting hole 611 of the second hollow column 61, the rib 612 is clamped in the annular groove 42 of the connection terminal 4, so that the connection terminal 4 is fixed on the second hollow column 61, then the bracket 6 is installed in the main housing 1, the head of the connection terminal 4 is inserted into the first hollow column 12, and the bracket 6 is fixed in the main housing 1, thereby fixing the connection terminal 4 as a whole. The signal terminals 5 are also simple in assembly mode of the connecting terminals 4 and the signal terminals 5, and the automatic assembly is convenient for batch automatic assembly through automatic equipment in operation.

As shown in fig. 5, a resistor mounting groove 62 is formed in the bottom surface of the bracket 6, the resistor mounting groove 62 is located between two second hollow columns 61 for fixing the connection terminal 4, and a resistor is installed in the resistor mounting groove 62, so that the assembly is facilitated.

As shown in fig. 2 and 3, a wire sealing body 25 covering the bottom of the whole main housing 1 is installed between the tail cover 2 and the bracket 6, and the wire sealing body 25 is respectively in sealing contact with the DC cable, the external connection lead 51 and the tail cover 2. And a seal is formed in the shell, so that the sealing effect is ensured.

As shown in fig. 6, the main housing 1 is detachably mounted on the flange plate 3, and the flange plate 3 is separately arranged from the main housing 1, and since the flange plate 3 is a relatively fragile part in use, only the flange plate 3 needs to be replaced when the flange plate 3 is damaged, and the whole main housing 1 does not need to be replaced. The top of the flange plate 3 is provided with an axially protruding convex ring 31, and the convex ring 31 is provided with an inwards concave locking groove 32. The upper cover and the flange plate 3 can be locked by the external lockset through the locking groove 32, so that the external lockset can be provided for locking operation, and the charging seat is prevented from being opened abnormally.

As shown in fig. 6, the locking groove 32 is embedded with a metal reinforcing block 33 to cover the inner wall of the locking groove 32, thereby improving the strength of the locking groove 32.

Claims

1. The utility model provides a high-power direct current charging seat, is including main casing, tail cap and ring flange, install connecting terminal and signal terminal in the main casing, its characterized in that: each signal terminal is connected with at least two external wires, a plurality of separated wire holes are formed in the tail cover, and the external wires respectively penetrate through the corresponding wire holes.

2. The high power dc cradle of claim 1, wherein: the DC cable is connected to the connecting terminal, a cable hole for the cable to pass through is formed in the tail cover, a sealing sleeve is arranged in the cable hole, and the sealing sleeve is wrapped on the periphery of the DC cable in a fitting mode.

3. The high power dc cradle of claim 2, wherein: the tail buckle is arranged at the orifice of the cable hole, and is arranged on the tail cover and extruded on the sealing sleeve.

4. A high power dc charging dock as claimed in claim 3, wherein: the outer wall and the inner wall of the sealing sleeve are respectively provided with a plurality of annular convex ribs, and the annular convex ribs are arranged along the axial direction of the sealing sleeve.

5. The high power dc cradle according to claim 1 or 2, wherein: the main casing is internally and integrally connected with a mounting frame, and a first hollow column for mounting the connecting terminal and the signal terminal is arranged on the mounting frame.

6. The high power dc charging dock of claim 5, wherein: install the support between mounting bracket and the tail-hood, set up the hollow post of second in the support, the mounting hole has been seted up to radial one side of the hollow post of second, the hollow post of second is the cavity shape, and its top is provided with the bead, connecting terminal, signal terminal all set up the annular with the bead adaptation, connecting terminal, signal terminal are packed into in the hollow post of second from one side mounting hole and the annular cooperatees with the bead in order to form fixedly.

7. The high power dc charging dock of claim 6, wherein: the bottom surface of support has seted up the resistance mounting groove, the resistance mounting groove is located between two second hollow posts that are used for fixed connection terminal.

8. The high power dc charging dock of claim 6, wherein: a wire sealing body is arranged between the tail cover and the bracket, and the wire sealing body is respectively in sealing contact with the DC cable, the external lead and the tail cover.

9. The high power dc cradle according to claim 1 or 2, wherein: the main shell is detachably arranged on the flange plate, one end of the flange plate is provided with an axially protruding convex ring, and the convex ring is provided with an inwards concave locking groove.

10. The high power dc charging dock of claim 9, wherein: the lock groove is embedded with a metal reinforcing block to ensure the strength of the lock groove.