CN220066257U

CN220066257U - Mode two integrated alternating current charging gun

Info

Publication number: CN220066257U
Application number: CN202321117405.4U
Authority: CN
Inventors: 徐精精; 花彬; 王德军; 田立业; 毕金辉; 黄春风
Original assignee: Changchun Fusheng Yonggui Technology Co ltd
Current assignee: Changchun Fusheng Yonggui Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-11-21
Anticipated expiration: 2033-05-11

Abstract

The utility model relates to a mode two integrated alternating current charging gun, comprising: the plug plastic package body is also provided with a plurality of abutting strips; one end of the gun shell is connected with the plug plastic package body, the other end of the gun shell is provided with a tail cover containing three plug cables, and a plurality of upper and lower inserting grooves are formed in the gun shell; the PCB assembly comprises an upper PCB plate and a lower PCB plate, shock pads are arranged on two sides of the upper plate and penetrate through the upper inserting grooves, two sides of the lower plate penetrate through the lower inserting grooves, one ends of the upper plate and the lower plate of the PCB are tightly attached to the abutting strips on the plug plastic package body, the other ends of the upper plate and the lower plate are abutted to the inside of the gun shell, a plurality of terminal connecting wires welded with the terminals are further arranged at one end of the lower plate of the PCB, and the other ends of the lower plate of the PCB are welded with the three-plug cable. The structure can firmly fix the PCB assembly in the gun shell, and simultaneously the front end and the rear end of the lower PCB are respectively welded and fixed with the terminal and the three-plug cable, so that the charging gun is guaranteed to have good electric contact in the long-term use process, and the stability of the charging system is guaranteed.

Description

Mode two integrated alternating current charging gun

Technical Field

The utility model relates to the technical field of new energy automobile manufacturing, in particular to a mode two integrated alternating current charging gun.

Background

The traditional mode two alternating-current charging gun generally adopts a connection mode of a gun head and an external control box, namely, the gun head is connected with the control box comprising the PCB assembly by adopting a wire harness, the mode two charging gun has the problems of large volume, heavy weight, inconvenient carrying and high manufacturing cost, and the defect can be well solved when the PCB assembly is arranged in the gun head.

One utility model, for example, publication number CN215497468U provides a mode two integrated charging gun comprising: the integrated charging gun head module comprises a plug front mounting plate assembly, a PCB and a charging gun shell, wherein the plug front mounting plate assembly is arranged at one end of the charging gun shell, the PCB is arranged inside the charging gun shell and is connected with the plug front mounting plate assembly, the plug front mounting plate assembly comprises a plug shell plastic package body and a plurality of terminals arranged inside the plug shell plastic package body, a buckle is further arranged on the plug shell plastic package body, the PCB comprises a PCB front plate and a PCB rear plate, the PCB front plate is provided with a soldering tin plate, the end face of the soldering tin plate is in contact with the end face of the tail of the terminal to conduct current, the PCB front plate is provided with a male end current connector, the PCB rear plate is provided with a female end current connector, the PCB front plate and the PCB rear plate are inserted through the current connector to conduct current, and a buckling groove is further formed in the PCB rear plate, and the PCB is fixed through the buckle on the plug shell plastic package body and the matching of the buckling groove; the three-plug cable is connected with the PCB, the plug end of the three-plug cable extends out of the tail of the charging gun shell, the PCB back plate is further provided with a male end inserting piece terminal, the three-plug cable is provided with a female end inserting piece terminal, and the PCB back plate and the three-plug cable conduct current through inserting piece terminals. The mode two integrated charging gun realizes the integrated design of the charging gun through the improvement of the appearance and the structure of the charging gun, but the PCB is integrally combined by a front plate and a rear plate and is connected with a front terminal and a rear three-plug cable in an inserting mode, and the PCB is only connected with a plug shell plastic package in a buckling mode, so that the problem of poor contact between each plug body due to the fact that the PCB is not firm in the long-term use process of the charging gun is easy to exist, and the stability of a charging system is affected.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to solve the problems that in the prior art, the mode two integrated charging gun is not firm enough in fixing the PCB in the gun head and is easy to loosen in the plugging of the front-end terminal and the rear-end plug cable in the long-term use process, so that the stability of a charging system is influenced.

In order to solve the above technical problems, the present utility model provides a mode two integrated ac charging gun, comprising:

the front plug mounting assembly comprises a plug plastic package body and a plurality of terminals, wherein the terminals are arranged in the plug plastic package body, and a plurality of abutting strips are arranged on the plug plastic package body;

the plastic plug comprises a gun shell, wherein one end of the gun shell is connected with the plug plastic package body, the other end of the gun shell is provided with a tail cover, a three-plug cable is arranged in the tail cover in a penetrating manner, and a plurality of upper plug grooves and a plurality of lower plug grooves are arranged in the gun shell;

the PCB assembly comprises a PCB upper plate and a PCB lower plate, shock pads are respectively arranged on two sides of the PCB upper plate, the shock pads are arranged in the upper inserting groove in a penetrating mode, two sides of the PCB lower plate are arranged in the lower inserting groove in a penetrating mode, one end of the PCB upper plate is tightly attached to an abutting strip on the plug plastic package body, the other end of the PCB upper plate is tightly attached to the inner abutting strip on the plug plastic package body, the other end of the PCB lower plate is tightly attached to the inner abutting strip of the gun shell, a plurality of terminal connecting wires are further arranged at one end of the PCB lower plate and are respectively welded with a plurality of terminals, and the other end of the PCB lower plate is welded with the three-plug cable.

In one embodiment of the utility model, the plug plastic package body comprises a connecting part, wherein the connecting part is inserted into one end of the gun shell, and a first sealing ring is clamped between the connecting part and the gun shell.

In one embodiment of the utility model, a plurality of first screws are connected between the gun shell and the plug plastic package body, one of the first screws is provided with a two-dimensional code tag, a plurality of second screws are connected between the gun shell and the tail cover, a second sealing ring is sleeved on the second screws, and the second sealing ring is clamped between the gun shell and the tail cover.

In one embodiment of the utility model, a cable sealing piece is clamped between the tail cover and the three-plug cable, the length of the cable sealing piece is larger than that of the tail cover, the cable sealing piece comprises a special-shaped end and a crimping end, the tail cover is clamped between the special-shaped end and the crimping end, a special-shaped groove and a plurality of first limiting ribs are arranged at one end, far away from the plug plastic package, of the gun shell, and the special-shaped end of the cable sealing piece is inserted into the special-shaped groove and is abutted against the first limiting ribs.

In one embodiment of the utility model, the outer side of the three-plug cable is crimped with an anti-rotation ring that is in close proximity to the profiled end of the cable seal.

In one embodiment of the utility model, two lug plates are symmetrically arranged on the outer side of the anti-rotation ring, a plurality of anti-rotation ribs and a plurality of second limiting ribs are arranged in the gun shell, the lug plates are clamped between the anti-rotation ribs and the special-shaped grooves, one sides of the lug plates are clung to the cable sealing piece, and the other sides of the lug plates are clung to the second limiting ribs.

In one embodiment of the utility model, a control button is arranged on the gun shell and is connected with the PCB assembly, a light guide column is arranged in the control button, and the PCB assembly further comprises an indicator lamp group.

In one embodiment of the utility model, the front plug mounting assembly further comprises a terminal mounting stop member, the terminal mounting stop member is arranged in the plug plastic package body, a plurality of third screws are connected between the terminal mounting stop member and the plug plastic package body, and a plurality of terminals are clamped with the terminal mounting stop member.

In one embodiment of the utility model, the terminal mounting stop member is provided with a plurality of terminal mounting groove bodies, one end of each terminal mounting groove body is provided with a clamping strip, each terminal is provided with a clamping groove body, and the clamping groove bodies are matched with the clamping strips.

In one embodiment of the utility model, a third sealing ring is arranged between the plug plastic package body and the clamping groove body on the terminal.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the mode two integrated alternating current charging gun provided by the utility model, the PCB assembly is of an integral design and comprises the PCB upper plate and the PCB lower plate, the PCB assembly can be stably fixed in the gun shell by correspondingly arranging the upper clamping grooves and the lower clamping grooves in the gun shell and matching with the abutting strips on the plug plastic package body, and meanwhile, the front end and the rear end of the PCB lower plate are respectively welded and fixed with the terminal and the three-plug cable, so that the charging gun is still in good electrical contact in the long-term use process, and the stability of a charging system is further ensured.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

FIG. 1 is a schematic view of the overall structure of a mode two integrated AC charging gun of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of a mode two integrated AC charging gun of the present utility model;

FIG. 3 is a schematic view of the integrated AC charging gun of FIG. 1 from one view after the gun housing is removed;

FIG. 4 is a schematic view of the integrated AC charging gun of FIG. 1 from another perspective after the gun housing is removed;

FIG. 5 is a schematic cross-sectional view of a gun housing of the mode two integrated AC charging gun of FIG. 1;

FIG. 6 is a schematic view of the head of the gun housing of the mode two integrated AC charging gun of FIG. 1;

FIG. 7 is a schematic end view of the gun housing of the mode two integrated AC charging gun of FIG. 1;

FIG. 8 is a schematic view of the front plug mounting assembly of the mode two integrated AC charging gun of FIG. 1;

fig. 9 is a schematic view of an anti-rotation ring in the mode two integrated ac charging gun of fig. 1.

Description of the specification reference numerals: 1. a plug front mounting assembly; 110. a plug plastic package body; 111. an abutment bar; 112. a connection part; 120. a terminal; 121. the clamping groove body; 2. a gun housing; 210. an upper insertion groove; 220. a lower insertion groove; 230. a special-shaped groove; 240. the first limit rib; 250. anti-rotation ribs; 260. the second limit rib; 270. a control button; 3. a tail cover; 4. a three-plug cable; 5. a PCB assembly; 510. a PCB upper plate; 520. a PCB lower plate; 521. a terminal connection line; 6. a shock pad; 7. a two-dimensional code label; 8. a cable seal; 810. a special-shaped end; 820. a crimping end; 9. an anti-rotation ring; 910. ear plates; 10. a terminal mounting stopper; 101. a terminal mounting groove body; 102. a clamping strip; 11. a first screw; 12. a second screw; 13. a third screw; 14. a first seal ring; 15. a second seal ring; 16. and a third sealing ring.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1 to 9, the present utility model provides a mode two integrated ac charging gun, comprising:

the plug front mounting assembly 1 comprises a plug plastic package body 110 and a plurality of terminals 120, wherein the terminals 120 are arranged in the plug plastic package body 110, and a plurality of abutting strips 111 are arranged on the plug plastic package body 110;

a gun shell 2, one end of which is connected with the plug plastic package body 110, the other end of the gun shell 2 is provided with a tail cover 3, a three-plug cable 4 is penetrated in the tail cover 3, and a plurality of upper plug grooves 210 and a plurality of lower plug grooves 220 are arranged in the gun shell 2;

the PCB assembly 5 comprises a PCB upper plate 510 and a PCB lower plate 520, wherein shock pads 6 are respectively arranged on two sides of the PCB upper plate 510, the shock pads 6 are arranged in the upper inserting grooves 210 in a penetrating mode, two sides of the PCB lower plate 520 are arranged in the lower inserting grooves 220 in a penetrating mode, one end of the PCB upper plate 510 is tightly attached to the abutting strip 111 on the plug plastic package body 110, the other end of the PCB upper plate 510 is tightly attached to the inside of the gun shell 2, one end of the PCB lower plate 520 is tightly attached to the abutting strip 111 on the plug plastic package body 110, the other end of the PCB upper plate 510 is tightly attached to the inside of the gun shell 2, a plurality of terminal connecting wires 521 are further arranged at one end of the PCB lower plate 520, the plurality of terminal connecting wires 521 are respectively welded with the plurality of terminals 120, and the other end of the PCB lower plate 520 is welded with the three-plug cable 4.

This kind of two integrated rifle that charges of mode, PCB assembly 5 is the integral design and includes PCB upper plate 510 and PCB hypoplastron 520, through correspond two sets of joint grooves about setting up in rifle shell 2 and cooperate the butt strip 111 on the plug plastic envelope body 110, can be firm fix PCB assembly 5 in rifle shell 2, the front and back end of PCB hypoplastron 520 is fixed with terminal 120 and three plug cable 4 welded respectively simultaneously, both have guaranteed the rifle that charges still has good electrical contact in long-term use jointly, and then guaranteed charging system's stability.

Specifically, the plurality of terminals 120 are respectively a CC/CP terminal 120, an L/N terminal 120 and a PE terminal 120, the terminals 120 are arranged in parallel, one end of the terminal 120 is exposed out of the plug plastic package body 110, and the other end extends into the plug plastic package body 110 and is electrically connected with the PCB lower board 520 through a terminal connecting wire 521; the upper and lower inserting grooves 220 inside the gun case 2 are integrally injection-molded with the gun case 2, the tail end shells of the upper and lower inserting grooves 220 are provided with a stop block or limit the backward movement of the PCB according to the tail shape of the gun case 2, the damping surface can avoid the rigid vibration of the PCB assembly 5 in the long-term use process, the damage of the PCB assembly 5 is avoided, the front and rear electric connection stability is ensured, it is conceivable that the width of the upper inserting groove 210 is larger than that of the lower inserting groove 220, more lower inserting grooves 220 can be arranged wider, and the two sides of the lower PCB 520 are inserted with the damping pads 6; the abutting strips 111 on the plug plastic package body 110 are in one-to-one correspondence with the positions of the inserting grooves 210 on the gun shell 2, and the abutting strips 111 and the plug plastic package body 110 are also integrally injection molded; a plurality of connecting holes are formed in the rear end of the PCB, and a soldering tin disc is arranged at the position corresponding to the connecting holes and used for being welded and fixed with the branch beam of the three-plug cable 4.

Further, the plug plastic package 110 includes a connection portion 112, the connection portion 112 is inserted into one end of the gun housing 2, and a first sealing ring 14 is clamped between the connection portion 112 and the gun housing 2.

Specifically, the connecting portion 112 is disposed at the rear end of the plug plastic package body 110 and extends into the front end of the gun shell 2, a sealing groove is disposed at the outer side of the connecting portion 112, and the first sealing ring 14 is clamped in the sealing groove, so that a waterproof effect can be achieved.

Further, be connected with a plurality of first screws 11 between rifle shell 2 and the plug plastic envelope body 110, be provided with two-dimensional code label 7 on one of them first screw 11, be connected with a plurality of second screws 12 between rifle shell 2 and the tail-hood 3, the cover is equipped with second sealing washer 15 on the second screw 12, and second sealing washer 15 card is located between rifle shell 2 and the tail-hood 3.

Specifically, the upper portion of plug plastic envelope body 110 and rifle shell 2 all is provided with two and goes up the connecting hole, two on the rifle shell 2 go up the connecting hole and be the screw hole, first screw 11 is twisted rifle shell 2 by plug plastic envelope body 110, still be provided with a lower connecting hole at the lower surface of plug plastic envelope body 110 and rifle shell 2, the lower connecting hole of plug plastic envelope body 110 is the screw hole, first screw 11 is twisted plug plastic envelope body 110 by rifle shell 2 bottom, therefore, realize the fastening of plug plastic envelope body 110 and rifle shell 2 through the connection of three screws, still paste two-dimensional code label 7 on the first screw 11 of rifle shell 2 lower surface, both can be used for traceing back product information, also can shelter from the screw, improve the aesthetic measure. Further, the second sealing ring 15 serves as a watertight seal against the tail connection screw.

Further, a cable sealing piece 8 is clamped between the tail cover 3 and the three-plug cable 4, the length of the cable sealing piece 8 is larger than that of the tail cover 3, the cable sealing piece 8 comprises a special-shaped end 810 and a crimping end 820, the tail cover 3 is clamped between the special-shaped end 810 and the crimping end 820, a special-shaped groove 230 and a plurality of first limiting ribs 240 are arranged at one end, far away from the plug plastic package body 110, of the gun shell 2, and the special-shaped end 810 of the cable sealing piece 8 is inserted into the special-shaped groove 230 and is abutted to the first limiting ribs 240.

Specifically, the cable sealing member 8 can be more stably limited at the tail of the gun shell 2 through the cooperation between the special-shaped end 810 and the special-shaped groove 230 at the tail of the gun shell 2, and then the primary fixing of the three-plug cable 4 can be achieved through the crimping end 820, meanwhile, the waterproof performance of the tail of the charging gun can be greatly enhanced, and the waterproof grade of the charging gun can reach I P67 through the cooperation of the first sealing ring 14 at the front end of the charging gun.

Further, the outer side of the three-plug cable 4 is crimped with an anti-rotation ring 9, and the anti-rotation ring 9 is tightly attached to the profiled end 810 of the cable seal 8.

Specifically, when the cable sealing member 8 is spacing fixed at the afterbody of rifle shell 2 back, with the effect that prevents the cable back can be played to the rotation-proof ring 9 of three plug cable 4 crimping, has strengthened three plug cable 4 and the connection steadiness of PCB assembly 5 in long-term use.

Further, two ear plates 910 are symmetrically arranged on the outer side of the anti-rotation ring 9, a plurality of anti-rotation ribs 250 and a plurality of second limiting ribs 260 are arranged in the gun shell 2, the ear plates 910 are clamped between the anti-rotation ribs 250 and the special-shaped grooves 230, one sides of the ear plates 910 are clung to the cable sealing piece 8, and the other sides of the ear plates 910 are clung to the second limiting ribs 260.

Specifically, the two lugs 910 of the anti-rotation ring 9 are limited in the gun shell 2, so that the cable can be ensured not to rotate in the long-term use process, and the welding stability of the three-plug cable 4 and the PCB is ensured.

Further, a control button 270 is arranged on the gun shell 2, the control button 270 is connected with the PCB assembly 5, a light guide column is arranged in the control button 270, and the PCB assembly 5 further comprises an indicator lamp group.

Specifically, the control button 270 is disposed on the charging gun in a conventional manner, and can be directly connected to the inside of the gun housing 2, and after the indication lamp set on the PCB assembly 5 emits light, the lamp language can be displayed through the light guide post, so that the user can observe conveniently.

Further, the plug front mounting assembly 1 further includes a terminal mounting stop member 10, the terminal mounting stop member 10 is disposed in the plug molding body 110, a plurality of third screws 13 are connected between the terminal mounting stop member 10 and the plug molding body 110, and a plurality of terminals 120 are clamped with the terminal mounting stop member 10.

Specifically, the terminal mounting stop 10 is used for fixing the terminal 120 on the plug molding body 110, and the third screw 13 is used for fastening the terminal mounting stop 10 and the plug molding body 110.

Further, the terminal mounting stopper 10 is provided with a plurality of terminal mounting groove bodies 101, one end of the terminal mounting groove body 101 is provided with a clamping strip 102, the terminal 120 is provided with a clamping groove body 121, and the clamping groove body 121 is adapted to the clamping strip 102.

Specifically, the terminal mounting groove 101 is cylindrical, and has a strip-shaped hole along the circumferential surface, so that the terminal connecting wire 521 is conveniently connected with the terminal 120, the clamping strip 102 is of a ring-shaped structure with a notch, the clamping groove 121 is of a ring-shaped structure with an outward opening, and each terminal 120 can be fastened on the terminal mounting stop member 10 during mounting and then extend into the plug plastic package 110 for fixing.

More, 7 mounting grooves are provided on the terminal mounting stopper 10, and single phase (5 of which are used) or three phase (all 7 are used) is optionally provided.

Further, a third sealing ring 16 is disposed between the plug plastic package 110 and the clamping groove 121 on the terminal 120.

Specifically, the third sealing ring 16 is sleeved on the terminal 120, the front part of the plug plastic package body 110 is provided with a plurality of terminal accommodating grooves inwards from the end surface, the bottom of the terminal accommodating groove is provided with an inserting hole according to the diameter of the terminal 120, and the rear part of the plug plastic package body 110 is provided with a plurality of accommodating grooves corresponding to the terminal mounting groove 101, so that the third sealing ring 16 can be clamped between the reverse surface of the bottom of the terminal accommodating groove and the clamping groove 121 on the terminal 120 to play a role in preventing water at the position of the terminal 120.

More, set up 7 terminal accommodation grooves on plug plastic envelope body 110, can realize the selection of 5 terminal 120 holes of product and 7 terminal 120 holes of three-phase product.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A mode two integrated ac charging gun, comprising:

2. The mode two integrated ac charging gun of claim 1, wherein: the plug plastic package body comprises a connecting part, wherein the connecting part is inserted into one end of the gun shell, and a first sealing ring is clamped between the connecting part and the gun shell.

3. The mode two integrated ac charging gun of claim 2, wherein: the plastic plug comprises a plug plastic package body, and is characterized in that a plurality of first screws are connected between the plug plastic package body and the gun shell, one of the first screws is provided with a two-dimensional code label, a plurality of second screws are connected between the gun shell and the tail cover, a second sealing ring is sleeved on the second screws, and the second sealing ring is clamped between the gun shell and the tail cover.

4. The mode two integrated ac charging gun of claim 1, wherein: the cable sealing device comprises a three-plug cable and is characterized in that a cable sealing piece is clamped between the tail cover and the three-plug cable, the length of the cable sealing piece is larger than that of the tail cover, the cable sealing piece comprises a special-shaped end and a crimping end, the tail cover is clamped between the special-shaped end and the crimping end, a special-shaped groove and a plurality of first limiting ribs are formed in one end, far away from the plug plastic package, of the gun shell, and the special-shaped end of the cable sealing piece is inserted into the special-shaped groove and is in butt joint with the first limiting ribs.

5. The mode two integrated ac charging gun of claim 4, wherein: the outer side of the three-plug cable is in compression joint with an anti-rotation ring, and the anti-rotation ring is clung to the special-shaped end of the cable sealing piece.

6. The mode two integrated ac charging gun of claim 5, wherein: the outside symmetry of anti-rotation ring is provided with two otic placodes, be provided with a plurality of anti-rotation muscle and a plurality of second spacing muscle in the rifle shell, the otic placode card is located anti-rotation muscle with between the dysmorphism groove, one side of otic placode with cable sealing spare hugs closely, the opposite side of otic placode with the spacing muscle of second hugs closely.

7. The mode two integrated ac charging gun of claim 1, wherein: the gun is characterized in that a control button is arranged on the gun shell and connected with the PCB assembly, a light guide column is arranged in the control button, and the PCB assembly further comprises an indicator lamp group.

8. The mode two integrated ac charging gun of claim 1, wherein: the front plug mounting assembly further comprises a terminal mounting stop piece, the terminal mounting stop piece is arranged in the plug plastic package body, a plurality of third screws are connected between the terminal mounting stop piece and the plug plastic package body, and a plurality of terminals are clamped with the terminal mounting stop piece.

9. The mode two integrated ac charging gun of claim 8, wherein: the terminal installation stopping piece is provided with a plurality of terminal installation groove bodies, one end of the terminal installation groove body is provided with a clamping strip, the terminal is provided with a clamping groove body, and the clamping groove body is matched with the clamping strip.

10. The mode two integrated ac charging gun of claim 9, wherein: and a third sealing ring is arranged between the plug plastic package body and the clamping groove body on the terminal.