DE202020100274U1 - AC and DC charging gun - Google Patents

Abstract

AC and DC charging gun, comprising a gun body, a charging plug (2) attached to the front end of the gun body (1) and a cable end sleeve attached to the rear end of the gun body (1), characterized in that the gun body (1) is a is a one-piece structure and a handle (11) is arranged in the intermediate section of the gun body (1), a cavity inside the gun body (1) providing an assembly space for the cables, and a mechanical locking button above the gun body (1) (12) is arranged, and a safety hook (13) is arranged between a space above the charging plug (2) and the gun body (1), and the safety hook (13) is used to match the mechanical locking button (12), and wherein a Stiftbef. between the charging plug (2) and the front end of the cavity of the gun body (1) the fastening section (22) is arranged, and wherein a connecting disk (21) is arranged between the charging plug (2) and the gun body (1); and wherein between the cable end sleeve (3) and the rear end of the cavity of the gun body (1), from the bottom upward, a fixed base (31), a connector (32) and a clamping connection section (33) are successively attached, and wherein on an inner edge of the plug connector (32), a plurality of clamping hooks (321) are arranged uniformly, and a plurality of engagement grooves (331) matched to the clamping hooks (321) are uniformly provided on an inner edge of the clamping connection section (33), and the plug connector (32) and the clamping connection section (33) are snapped and fastened together by the clamping hooks (321) and the engagement grooves (331), and wherein the fixed base (31) is an inverted trapezoidal round table, and wherein a loop extends downward from the round table and is formed, and wherein the loop is nested in the cable end sleeve (3) and forms an interference fit with the cable end sleeve (3), and wherein the cable end sleeve (3), the fixed base (31), the connector (32) and the clamping connection section (33) are connected to the gun body (1) by means of the screws and are fastened thereon.

Description

Technical field

The present utility model relates to the field of charging guns for electric vehicles with new energy, in particular an AC and DC charging gun.

State of the art

The vehicles with new energy refer to using an unconventional fuel as an energy source and integrating advanced technologies in terms of power control and driving of vehicles to form a vehicle with advanced technology principles, new technologies and new structures. In the context of energy saving, emission reduction and environmental protection policies, the promotion of vehicles with new energy has become an inevitable trend, and vehicles with new energy have long-term development prospects. More emphasis is placed on the charging guns and other devices associated with the vehicles with new energy; Currently, the charging methods of electric vehicles with new energy are divided into DC charging and AC charging. In the case of direct current charging, the charging gun has a larger current, which can easily lead to accidents, in addition, the usage environment of the charging gun is complicated and diverse; The charging gun is mostly used outdoors, so there are higher requirements for the tightness and safety of the AC and DC charging guns. In the current AC and DC charging guns, the housing is mostly combined, which results in a relatively poor overall strength, and the protection class and the watertightness at the connection point between the gun body and the cables are also relatively poor, which means that the protection class to ensure charging safety is not achieved due to this, there are major security risks in use.

Contents of the present utility model

It is a technical problem to be solved of the present utility model to provide an AC and DC charging gun with a more suitable structure in view of the shortcomings of the prior art.

• eine Wechselstrom- und Gleichstromladepistole, umfassend einen Pistolenkörper, einen am vorderen Ende des Pistolenkörpers angebrachten Ladestecker und eine am hinteren Ende des Pistolenkörpers angebrachte Kabelendhülse, wobei es sich bei dem Pistolenkörper um eine einteilig miteinander ausgebildete Struktur handelt und im Zwischenabschnitt des Pistolenkörpers ein Griff angeordnet ist, und wobei ein Hohlraum im Inneren des Pistolenkörpers einen Montageraum den Kabeln zur Verfügung stellt, und wobei oberhalb des Pistolenkörpers ein mechanischer Verriegelungsknopf angeordnet ist, und wobei zwischen einem Raum oberhalb des Ladesteckers und dem Pistolenkörper ein Sicherheitshaken angeordnet ist, und wobei der Sicherheitshaken mit dem mechanischen Verriegelungsknopf zusammenpassend verwendet wird, und wobei zwischen dem Ladestecker und dem vorderen Ende des Hohlraums des Pistolenkörpers ein Stiftbefestigungsabschnitt angeordnet ist, und wobei zwischen dem Ladestecker und dem Pistolenkörper eine Verbindungsscheibe angeordnet ist; und wobei zwischen der Kabelendhülse und dem hinteren Ende des Hohlraums des Pistolenkörpers von unten nach oben nacheinander eine feste Basis, ein Steckverbinder und ein Klemmverbindungsabschnitt angebracht sind, und wobei an einer Innenkante des Steckverbinders gleichmäßig mehrere Klemmhaken angeordnet sind, und wobei an einer Innenkante des Klemmverbindungsabschnitts gleichmäßig mehrere auf die Klemmhaken abgestimmte Eingriffsnuten vorgesehen sind, und wobei der Steckverbinder und der Klemmverbindungsabschnitt durch die Klemmhaken und due Eingriffsnuten zusammenpassend eingeschnappt und befestigt sind, und wobei die feste Basis ein umgekehrt trapezförmiger Rundtisch ist, und wobei sich von dem Rundtisch eine Schleife nach unten erstreckt und gebildet ist, und wobei die Schleife in der Kabelendhülse verschachtelt ist und mit der Kabelendhülse eine Presspassung bildet, und wobei die Kabelendhülse, die feste Basis, der Steckverbinder und der Klemmverbindungsabschnitt durch die Schrauben an den Pistolenkörper angeschlossen und daran befestigt sind.

To solve the above technical problem, the present utility model uses the following technical solution:

• an AC and DC charging gun comprising a gun body, a charging plug attached to the front end of the gun body and a cable end sleeve attached to the rear end of the gun body, the gun body being a one-piece structure and a handle disposed in the intermediate portion of the gun body , and wherein a cavity inside the gun body provides a mounting space for the cables, and wherein a mechanical locking button is arranged above the gun body, and wherein a safety hook is arranged between a space above the charging plug and the gun body, and wherein the safety hook with the mechanical locking button is used matingly, and wherein a pin mounting portion is arranged between the charging plug and the front end of the cavity of the gun body, and wherein between the charging plug and the pistol steering body a connecting disc is arranged; and wherein between the cable end sleeve and the rear end of the cavity of the gun body, from the bottom upward, a fixed base, a connector and a clamp connection section are successively attached, and wherein a plurality of clamp hooks are arranged uniformly on an inner edge of the plug connector, and wherein on an inner edge of the clamp connection section there are evenly several engaging grooves matched to the clamping hooks, and the connector and the clamping connection portion are snapped and fastened together by the clamping hooks and the engaging grooves, and the fixed base is an inverted trapezoidal rotary table, and wherein a loop extends downward from the rotary table extends and is formed, and wherein the loop is nested in the cable end sleeve and forms an interference fit with the cable end sleeve, and wherein the cable end sleeve, the fixed base, the connector and the clamping connection portion by di e Screws are connected to and attached to the gun body.

Preferably, four symmetrically aligned first connection openings are provided on the plug connector and the clamp connection section, while several evenly distributed second connection openings are provided on the plug connector and the clamp connection section, and the plug connector and the clamp connection section are firmly connected to the second connection openings by the short screws are.

Preferably, four symmetrically aligned mounting holes corresponding to the first connection openings are provided on the fixed base and the cable end sleeve, the cable end sleeve, the fixed base, the plug connector and the clamping connection section being firmly connected to the mounting holes and the first connection openings by the long screws.

A plurality of cylindrical fastening threaded holes are preferably uniformly provided on a side wall of the cavity of the gun body, the long screws being fastened to match the fastening threaded holes.

Two semicircular delimitation openings are preferably provided symmetrically on the pin fastening section.

A sealing ring is preferably arranged between the clamping connection section and the rear end of the cavity of the gun body.

The charging plug preferably comprises two DC connection contacts, two S connection contacts, two CC connection contacts, two A connection contacts and one PE connection contact.

1. 1. Der Pistolenkörper der Wechselstrom- und Gleichstromladepistole ist einteilig miteinander ausgebildet, wodurch die die strukturelle Festigkeit und die Gesamtdichtheit verbessert werden; die Form des Pistolenkörpers entspricht dem ergonomischen Design, der Benutzer kann beim Zugreifen die Mühe sparen, und das Zugreifen wird im Ladevorgang erleichtert.
2. 2. Mit der mehrfachen Dichtungsstruktur wird die wasserdichte Leistung der Verbindungsstelle zwischen dem Pistolenkörper und den Kabeln verbessert, wodurch die Schutzklasse IP65 erreicht werden kann, während das Eindringen von Wasser in den Pistolenkörper wirksam verhindert werden kann, so dass Kurzschlüsse und Leckage-Unfälle vermieden werden können, um eine langfristige sichere Verwendung der Wechselstrom- und Gleichstromladepistole im Freien zu gewährleisten.
3. 3. Mit dem Sicherheitshaken kann es verhindert werden, dass der Benutzer nach Belieben die Wechselstrom- und Gleichstromladepistole im stromführenden Zustand bedient, wodurch die Sicherheitsleistung der Wechselstrom- und Gleichstromladepistole verbessert wird.

Compared to the prior art, the AC and DC charging gun according to the present utility model has the following advantages:

1. 1. The gun body of the AC and DC charging gun is integrally formed with each other, whereby the structural strength and overall tightness are improved; the shape of the gun body corresponds to the ergonomic design, the user can save effort when accessing it, and access is made easier during the loading process.
2. 2. With the multiple sealing structure, the waterproof performance of the connection between the gun body and the cables is improved, whereby the protection class IP65 can be achieved, while the penetration of water into the gun body can be effectively prevented, so that short circuits and leakage accidents are avoided to ensure long-term safe use of the AC and DC charging gun outdoors.
3. 3. The safety hook can prevent the user from operating the AC and DC charging guns in the energized state at will, thereby improving the safety performance of the AC and DC charging guns.

Figure list

• 1 shows a perspective structural view of an AC and DC charging gun according to the present utility model.
• 2nd shows a structural exploded view of a charging plug end of the AC and DC charging gun according to the present utility model
• 3rd shows an exploded structural view of a cable end sleeve of the AC and DC charging gun according to the present utility model.
• 4th shows a schematic structural view of a clamp connection portion of the AC and DC charging gun according to the present utility model.
• 5 shows a schematic structural view of a connector of the AC and DC charging gun according to the present utility model.
• 6 FIG. 12 shows an assembly view of a clamp connection state between the AC and DC charging gun and the clamp connection portion of the AC and DC charging gun according to the present invention.
• 7 shows an inner structural view of a cable end sleeve end of the gun body of the AC and DC charging gun according to the present utility model.
• 8th shows a main view of a charging plug of the AC and DC charging gun according to the present utility model.

Detailed embodiments

The present utility model is explained in more detail below in connection with figures and embodiments.

As in 1 shown, an AC and DC charging gun of the present embodiment, comprising a gun body 1 , one at the front end of the gun body 1 attached charging plug 2nd and one at the back end of the gun body 2nd attached cable end sleeve 3rd . This is the gun body 1 around a structure formed in one piece with one another, wherein in the intermediate section of the gun body 2nd a handle 11 is arranged, and wherein a cavity inside the gun body 1 provides an assembly space for the cables. With DC charging, the AC and DC charging gun has a larger charging current, rainwater and dust are in when used outdoors the environment inside the gun body 1 occur, which leads to serious security risks; the gun body 1 and the handle 11 are molded in one piece by injection molding, which improves the tightness of the overall structure, at the same time improves the efficiency of the assembly of the end product and the experience of the operations by the user.

Above the gun body 1 is a mechanical locking button 12th arranged, being between a space above the charging plug 2nd and the gun body 1 a safety hook 13 is arranged with a hook head directed downwards, and wherein the mechanical locking button 12th the hook head of the safety hook 13 drives to raise or lower, and where the two fit together to the safety hook 13 for locking or unlocking the charging plug 2nd head for. The safety hook 13 used the charging plug 2nd and lock the charging socket when the charging plug 2nd is inserted into the charging socket, thereby preventing the user from operating the AC and DC charging guns in the energized state at will, thereby improving the safety performance of the AC and DC charging guns.

As in 2nd to 8th shown is between the charging plug 2nd and the front end of the cavity of the gun body 1 a pin mounting section 22 arranged, being on the pin attachment portion 22 two semicircular delimitation openings are provided symmetrically. The tightness between the charging plug 2nd and the gun body 1 as well as to ensure the stability between the structures is between the charging plug 2nd and the gun body 1 a connecting washer 21 arranged, the charging plug 2nd and the connecting washer 21 through the screw at the front end of the gun body 1 are attached. The charging plug includes 2nd two DC connection contacts 23 , two S connection contacts 24th , two CC connection contacts 26 , two A connection contacts 25th and a PE connection contact 27 .

Between the cable end sleeve 3rd and the rear end of the cavity of the gun body 1 are a solid foundation from bottom to top 31 , a connector 32 and a clamp connection section 33 attached, between the clamping connection portion 33 and the rear end of the cavity of the gun body 2nd a sealing ring 34 is arranged. The cable end sleeve 3rd , the solid base 31 , the connector 32 and the clamp connection section 33 are by the screws on the gun body 1 connected and attached to it.

In particular, are on an inner edge of the connector 32 evenly 8 clamping hooks 321 arranged, which extend vertically upward and then bend downward, on an inner edge of the clamping connection portion 33 evenly 8 on the clamp hooks 321 coordinated engagement grooves 331 are provided, and wherein the connector 32 and the clamp connection section 33 through the clamp hooks 321 and the engagement grooves 331 mated snapped and attached, and being the connector 32 and the clamp connection section 33 fit together, whereby the cables can be fixed in the gun body to improve the stability of the cables.

On the connector 32 and the clamp connection section 33 are each 4 symmetrically aligned first connection openings 332 provided while on the connector 32 and the clamp connection section 33 several evenly distributed second connection openings 333 are provided, and wherein the connector 32 and the clamp connection section 33 are firmly connected by the short screws to the second connection openings.

On the solid base 31 and the cable end sleeve 3rd are each 4 symmetrically aligned, the first connection openings 332 appropriate mounting holes are provided,
being the cable end sleeve 3rd , the solid base 31 , the connector 32 and the clamp connection section 33 through the long screws with the mounting holes and the first connection openings 332 are firmly connected. On a side wall of the cavity of the gun body 1 are several cylindrical mounting threaded holes 14 evenly provided, the long screws with the mounting threaded holes 14 are attached to match.

Here is the solid basis 31 an inverted trapezoidal round table, a loop extending downward from the round table and being formed, and the loop in the cable end sleeve 3rd is nested and with the cable end sleeve 3rd forms a press fit, thereby ensuring that the cable is inserted through the rear end of the gun body 1 and going through the cavity of the gun body 1 with the charging plug 2nd is stably connected.

With the combination of multiple sealing structures such as the clamp connection and threaded connection, the matching of long and short screws and the sealing ring, a seal is realized in several directions, whereby the AC and DC charging gun can achieve protection class IP65, namely protection against suction of dust (the Contact is prevented in its entirety and the ingress of dust is prevented).

Immersion of splash water is prevented, and resistance to splash water splashing at low pressure for at least 3 minutes is achieved.

The vehicles with new energy use the electricity as the energy source and become connected after the charging plug 2nd charged with a loading stack. For chargers for long-term outdoor use, the AC and DC charging guns are immersed in water for long periods in rainy weather in southern China, and there is a risk of a high-voltage short-circuit, which is caused by a failure of the external protection and a consequent ingress of water; the AC and DC charging gun in the present embodiment can achieve protection class IP65 to meet the waterproofing and waterproofing requirement.

The cable end sleeve, the fixed base, the connector and the clamping connection section at the rear end of the AC and DC charging pistol according to the present utility model can achieve the protection class IP65 by a combination of multiple sealing structures such as the clamping connection and threaded connection, the matching of long and short screws and the sealing ring achieve, which improves the protection class and the watertightness of the connection point between the gun body and the cables, furthermore the integrated gun body improves the overall strength and the tightness, in order to ensure the loading safety and to reduce the hidden safety risks during the use.

Finally, it should be pointed out that the above embodiments only serve to explain the technical solution of the present utility model, instead of restricting it. Although the present utility model is explained in more detail in connection with the above embodiments, the average person skilled in the art should understand: he can change the technical solutions listed in the above embodiment or replace the technical features in part or in full. With these changes or replacements, the corresponding technical solutions are still to be regarded as being covered by the idea and scope of the technical solutions of the respective embodiments of the present utility model.

Claims (7)

AC and DC charging gun, comprising a gun body, a charging plug (2) attached to the front end of the gun body (1) and a cable end sleeve attached to the rear end of the gun body (1), characterized in that the gun body (1) is a is a one-piece structure and a handle (11) is arranged in the intermediate section of the gun body (1), a cavity in the interior of the gun body (1) providing an assembly space for the cables, and a mechanical locking button above the gun body (1) (12), and wherein a safety hook (13) is arranged between a space above the charging plug (2) and the gun body (1), and wherein the safety hook (13) is used to match the mechanical locking button (12), and wherein a Stiftbe between the charging plug (2) and the front end of the cavity of the gun body (1) fixing section (22) is arranged, and wherein a connecting disc (21) is arranged between the charging plug (2) and the gun body (1); and wherein between the cable end sleeve (3) and the rear end of the cavity of the gun body (1), from the bottom upward, a fixed base (31), a connector (32) and a clamp connection section (33) are successively attached, and wherein on an inner edge of the plug connector (32), a plurality of clamping hooks (321) are arranged uniformly, and wherein on an inner edge of the clamping connection section (33) a plurality of engagement grooves (331) matched to the clamping hooks (321) are provided, and wherein the plug connector (32) and the clamping connection section (33) are snapped and fastened together by the clamping hooks (321) and the engagement grooves (331), and wherein the fixed base (31) is an inverted trapezoidal round table, and wherein a loop extends downward from the round table and is formed, and wherein the loop is nested in the cable end sleeve (3) and forms an interference fit with the cable end sleeve (3), and wherein the cable end sleeve (3), the fixed base (31), the connector (32) and the clamping connection section (33) are connected to the gun body (1) by means of the screws and are fastened thereon. AC and DC charging gun after Claim 1 , characterized in that four symmetrically aligned first connection openings (332) are provided on the plug connector (32) and the clamp connection section (33), while on the plug connector (32) and the clamp connection section (33) in each case a plurality of evenly distributed second connection openings (333 ) are provided, and wherein the plug connector (32) and the clamping connection section (33) are firmly connected to the second connection openings (333) by the short screws. AC and DC charging gun after Claim 1 , characterized in that on the fixed base (31) and the cable end sleeve (3) four symmetrically aligned mounting holes corresponding to the first connection openings (332) are provided, the cable end sleeve (3), the fixed base (31), the connector (32) and the clamp connection portion are firmly connected by the long screws to the mounting holes and the first connection openings (332). AC and DC charging gun after Claim 1 , characterized in that a plurality of cylindrical fastening threaded holes (14) are uniformly provided on a side wall of the cavity of the gun body (1), the long screws being fastened to match the fastening threaded holes (14). AC and DC charging gun after Claim 1 , characterized in that two semicircular delimitation openings are provided symmetrically on the pin fastening section (22). AC and DC charging gun after Claim 1 , characterized in that a sealing ring (34) is arranged between the clamping connection section (33) and the rear end of the cavity of the gun body (1). AC and DC charging gun after Claim 1 , characterized in that the charging plug (2) comprises two DC connection contacts (23), two S connection contacts (24), two CC connection contacts (26), two A connection contacts (25) and a PE connection contact (27) .

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