CN216331511U - Charging pile for electric automobile - Google Patents

Charging pile for electric automobile Download PDF

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Publication number
CN216331511U
CN216331511U CN202122705791.6U CN202122705791U CN216331511U CN 216331511 U CN216331511 U CN 216331511U CN 202122705791 U CN202122705791 U CN 202122705791U CN 216331511 U CN216331511 U CN 216331511U
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China
Prior art keywords
sealing ring
charging
placing hole
hole
charging gun
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Active
Application number
CN202122705791.6U
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Chinese (zh)
Inventor
程慧
任鹏
田元
袁倩倩
武颖
马笑天
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Marketing Service Center of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Marketing Service Center of State Grid Hebei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Marketing Service Center of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202122705791.6U priority Critical patent/CN216331511U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model provides a charging pile for an electric automobile, which belongs to the technical field of electric automobile charging equipment and comprises a box body, a sealing ring, a charging gun, a baffle plate and a first elastic piece, wherein a placing hole is formed in one side of the box body; the sealing ring is positioned at the opening of the placing hole; the charging gun is provided with a plug-in end, and the outer peripheral wall of the plug-in end is contacted with the inner peripheral wall of the sealing ring; the baffle plate can slide along the placing hole; the baffle is provided with a convex part; two ends of the first elastic piece are respectively connected with the placing hole and the baffle; through the cooperation of box, sealing ring, rifle, baffle and the first elastic component of charging, when charging, the bulge is pegged graft with the sealing ring under the elastic action of first elastic component, can seal the opening of placing the hole, and sealing ring and bulge cooperation can seal the opening of placing the hole, consequently can avoid the rainwater to enter into from the opening and place the hole, are convenient for reduce the potential safety hazard.

Description

Charging pile for electric automobile
Technical Field
The utility model belongs to the technical field of electric automobile charging equipment, and particularly relates to a charging pile for an electric automobile.
Background
The electric automobile is a vehicle which takes a vehicle-mounted power supply as power and drives wheels to run by using a motor, and meets various requirements of road traffic and safety regulations; when the vehicle-mounted power supply of the electric automobile is out of power, the vehicle-mounted power supply of the electric automobile is charged through the charging pile in the prior art.
The charging pile can be fixed on the ground or the wall, and can charge various types of electric automobiles according to different voltage grades; be equipped with on the stake of charging among the prior art and be used for making the rifle male jack that charges, after the rifle that charges inserts the jack, can play the effect of protection to the plug of the rifle that charges.
In the prior art, a charging pile is arranged outdoors, and when rainfall occurs in the process of charging an electric automobile, rainwater easily enters an insertion opening of the charging pile; when finishing charging and inserting the rifle that will charge to the socket, make the plug and the rainwater contact of rifle that charges easily, have the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a charging pile for an electric automobile, and aims to solve the technical problem that potential safety hazards exist due to the fact that rainwater easily enters a socket of the charging pile in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the charging pile for the electric automobile comprises a box body, a sealing ring, a charging gun, a baffle plate and a first elastic piece, wherein a placing hole is formed in one side of the box body;
the sealing ring is connected with the box body and is positioned at the opening of the placing hole;
the charging gun is provided with an inserting end inserted into the placing hole, and the outer peripheral wall of the inserting end is contacted with the inner peripheral wall of the sealing ring;
the baffle plate can slide along the placing hole; the baffle is provided with a convex part which can be inserted with the sealing ring;
two ends of the first elastic piece are respectively connected with the placing hole and the baffle;
when the protruding part is inserted into the sealing ring under the action of the elastic force of the first elastic piece, the protruding part closes the opening of the placing hole;
when the charging gun is inserted into the placing hole, the protruding portion is pushed by the charging gun to be located inside the placing hole, and the elastic force generated by compression of the first elastic piece is smaller than the friction force between the charging gun and the sealing ring.
In a possible implementation manner, a positioning structure suitable for being inserted in place along with the charging gun and positioning the charging gun and the box body is arranged on the box body.
In some embodiments, the inner wall surface of the placing hole is provided with a positioning groove along the diameter direction of the placing hole;
the positioning structure comprises a positioning column and a second elastic piece, the positioning column is arranged in the positioning groove, one end of the second elastic piece is connected with the bottom wall of the positioning groove, and the other end of the second elastic piece is connected with the positioning column;
the outer peripheral surface of the insertion end of the charging gun is provided with a first arc surface, and the positioning column is provided with a second arc surface suitable for being inserted with the first arc surface;
and a sliding groove suitable for avoiding the second arc surface is formed in the peripheral wall of the protruding part.
In some embodiments, the positioning groove is located at a position close to the sealing ring of the placement hole, and when the protruding portion is inserted into the sealing ring, the baffle abuts against the outer wall surface of the positioning column under the elastic force of the first elastic member.
In some embodiments, a limiting part is arranged at the inner side end of the positioning column, and a boss which is suitable for abutting against the limiting part is arranged at the opening of the positioning groove;
the boss is provided with a through hole which is suitable for enabling the positioning column to penetrate out of the positioning groove.
In some embodiments, the positioning groove, the positioning column and the second elastic member are all provided in a plurality along the circumferential direction of the placing hole, and each positioning column and each second elastic member are located in the corresponding positioning groove;
the first arc surfaces of the insertion ends of the charging guns are a plurality of and correspond to the positioning columns one by one.
In a possible implementation manner, the placing hole is arranged obliquely, the opening of the placing hole is a high end, and the bottom of the placing hole is a low end.
In a possible implementation manner, the outer peripheral wall of the plug-in end of the charging gun is provided with a friction layer, and the friction layer is in friction fit with the inner peripheral wall of the sealing ring.
In a possible embodiment, the projection is provided with an arc-shaped transition surface on the side facing the opening of the placement opening.
In a possible realization, the side of the box provided with the placing hole is provided with a support plate having a contact surface adapted to contact the outer end of the charging gun.
In the embodiment of the application, the charging gun is drawn out from the placing hole of the box body, so that the electric automobile can be charged;
after the charging gun is pulled out, the baffle plate slides towards the opening of the placing hole under the action of the elastic force of the first elastic piece, and finally the protruding part is inserted into the sealing ring, so that the opening of the placing hole can be sealed through the protruding part;
when rainfall occurs in the charging process, the protruding parts can block rainwater, so that the rainwater can be prevented from entering the placing hole from the opening;
after the rainwater on the outer side of the protruding part is wiped, the charging gun is inserted into the charging hole, so that the contact between a plug of the charging gun and the rainwater can be avoided, and potential safety hazards are reduced;
in the process that the charging gun is inserted into the placing hole, the protruding part and the baffle plate slide towards the bottom of the placing hole, and the first elastic piece is compressed;
although the elasticity of the first elastic part is increased in the compression process of the first elastic part, after the charging plug is inserted in place, the elasticity of the first elastic part is smaller than the friction force between the charging gun and the sealing ring;
consequently, bulge and baffle can not push out the rifle that charges and place the hole under the spring action of first elastic component, and the rifle that charges is stable places and is being placed in placing the hole of being convenient for.
Compared with the prior art, the charging pile for the electric automobile, provided by the utility model, has the advantages that through the matching of the box body, the sealing ring, the charging gun, the baffle plate and the first elastic piece, when the charging gun is inserted into the placing hole, the sealing ring can seal the opening of the placing hole, so that rainwater is prevented from entering the placing hole from the opening of the placing hole;
when charging, the bulge is pegged graft with the sealing ring under the elastic force effect of first elastic component, can seal the opening of placing the hole, and sealing ring and bulge cooperation can seal the opening of placing the hole, consequently can avoid the rainwater to enter into from the opening and place the hole, are convenient for reduce the potential safety hazard.
Drawings
Fig. 1 is a schematic overall structure diagram of a charging pile for an electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a charging pile for an electric vehicle according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic cross-sectional view illustrating a protrusion of a charging pile for an electric vehicle and a sealing ring in a plugging fit according to an embodiment of the utility model;
fig. 5 is an enlarged view of a portion B in fig. 4.
Description of reference numerals: 1. a box body; 11. placing holes; 12. positioning a groove; 121. a boss; 13. a support plate; 2, sealing a ring; 3. a charging gun; 31. a plug end; 32. a first arc surface; 4. a baffle plate; 41. a projection; 411. a chute; 5. a first elastic member; 6. a positioning column; 61. a second arc surface; 62. a limiting part; 7. a second elastic member.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 5, a charging pile for an electric vehicle according to the present invention will be described. The utility model provides a fill electric pile for electric automobile, includes box 1, sealing ring 2, the rifle 3 that charges, baffle 4 and first elastic component 5, one side of box 1 is equipped with places hole 11.
As shown in fig. 1 to 5, the sealing ring 2 is connected to the case 1 and positioned at an opening of the placing hole 11; the charging gun 3 has a plug end 31 to be plugged with the placing hole 11, and an outer peripheral wall of the plug end 31 is in contact with an inner peripheral wall of the seal ring 2.
As shown in fig. 1 to 5, the shutter 4 is slidable along the placement hole 11; the baffle 4 is provided with a convex part 41 which can be inserted with the sealing ring 2; both ends of the first elastic member 5 are connected to the placing hole 11 and the baffle 4, respectively.
Wherein, when the protruding part 41 is inserted into the sealing ring 2 under the elastic force of the first elastic member 5, the protruding part 41 closes the opening of the placing hole 11.
When the charging gun 3 is inserted into the placing hole 11, the protruding part 41 is pushed by the charging gun 3 to be located inside the placing hole 11, and the elastic force generated by the compression of the first elastic part 5 is smaller than the friction force between the charging gun 3 and the sealing ring 2.
In the embodiment of the present application, the gun 3 to be charged is taken out from the placing hole 11 of the box body 1, and the electric automobile can be charged.
After the charging gun 3 is drawn out, the shutter 4 slides toward the opening of the placing hole 11 by the elastic force of the first elastic member 5, and finally the protrusion 41 is inserted into the seal ring 2, so that the opening of the placing hole 11 can be closed by the protrusion 41.
When it rains during the charging process, the protruding portion 41 can block rainwater, and rainwater can be prevented from entering the placing hole 11 from the opening.
After the rainwater outside the protruding part 41 is cleaned, the charging gun 3 is inserted into the charging hole, the plug of the charging gun 3 can be prevented from contacting the rainwater, and potential safety hazards are reduced.
During the insertion of the charging gun 3 into the placement hole 11, the projection 41 and the shutter 4 slide toward the bottom of the placement hole 11, and the first elastic member 5 is compressed.
Although the elastic force of the first elastic member 5 is increased in the process of compressing the first elastic member 5, after the charging is inserted in place, the elastic force of the first elastic member 5 is smaller than the friction force between the charging gun 3 and the sealing ring 2, so that the protrusion 41 and the baffle 4 do not push the charging gun 3 out of the placing hole 11 under the elastic force of the first elastic member 5, and the charging gun 3 is conveniently and stably placed in the placing hole 11.
Compared with the prior art, the charging pile for the electric automobile has the advantages that through the matching of the box body 1, the sealing ring 2, the charging gun 3, the baffle plate 4 and the first elastic piece 5, when the charging gun 3 is inserted into the placing hole 11, the sealing ring 2 can seal the opening of the placing hole 11, and rainwater is prevented from entering the placing hole 11 from the opening of the placing hole 11.
When charging, the bulge 41 is spliced with the sealing ring 2 under the elastic action of the first elastic piece 5, the opening of the placing hole 11 can be sealed, the sealing ring 2 and the bulge 41 are matched to seal the opening of the placing hole 11, so that rainwater can be prevented from entering the placing hole 11 from the opening, and the potential safety hazard is conveniently reduced.
As shown in fig. 1 to 5, the outer peripheral wall of the seal ring 2 is fixedly connected to the inner peripheral wall of the placement hole 11, and the outer side surface of the seal ring 2 is flush with the side wall surface of the case 1 provided with the placement hole 11.
As shown in fig. 1 to 5, the outer peripheral wall of the baffle 4 is in contact with the inner peripheral wall of the placement hole 11; the first elastic element 5 comprises a first spring, one end of the first spring is fixedly connected with the bottom wall of the placing hole 11, and the other end of the first spring is fixedly connected with one side of the baffle plate 4 departing from the protruding part 41.
As shown in fig. 1 to 5, when the charging gun 3 is drawn out from the mounting hole 11, the shutter 4 can be driven by the elastic force of the first spring to slide in the opening direction of the mounting hole 11, and finally the projection 41 is inserted into the seal ring 2 to close the opening of the mounting hole 11.
In some embodiments, as shown in fig. 1 to 5, the box body 1 is provided with a positioning structure adapted to be inserted into position with the charging gun 3, and to position the charging gun 3 and the box body 1.
As shown in fig. 1 to 5, after the charging gun 3 is inserted into the placement hole 11, the box body 1 and the charging gun 3 are connected through the positioning structure, so that the position of the inserted charging gun 3 can be conveniently fixed, and the stability of the inserted charging gun 3 can be improved.
In some embodiments, as shown in fig. 1 to 5, the inner wall surface of the placement hole 11 is provided with a positioning groove 12, the positioning groove 12 being in the diameter direction of the placement hole 11.
As shown in fig. 1 to 5, the positioning structure includes a positioning column 6 and a second elastic member 7 disposed in the positioning groove 12, one end of the second elastic member 7 is connected to the bottom wall of the positioning groove 12, and the other end of the second elastic member 7 is connected to the positioning column 6.
As shown in fig. 1 to 5, the second elastic element 7 includes a second spring, one end of the second spring is fixed at the inner end of the positioning column 6, and the other end of the second spring is fixed at the bottom of the positioning groove 12.
As shown in fig. 1 to 5, the positioning column 6 can be driven to slide in the diameter direction of the placement hole 11 by the elastic force of the second spring, so that the positioning column 6 is engaged with the outer peripheral wall of the charging gun 3 to position the charging gun 3.
As shown in fig. 1 to 5, a first arc surface 32 is disposed on an outer peripheral surface of the insertion end 31 of the charging gun 3, and a second arc surface 61 adapted to be inserted into the first arc surface 32 is disposed on the positioning column 6.
As shown in fig. 1 to 5, the first arc surface 32 is an arc-shaped groove; through the cooperation of second arc surface 61 of reference column 6 and the first arc surface 32 on the rifle 3 periphery wall that charges, can fix a position the grafting position of rifle 3 that charges, be convenient for fix rifle 3 that charges in placing hole 11.
As shown in fig. 1 to 5, when the electric vehicle needs to be charged, the charging gun 3 slides out of the placing hole 11, and the positioning column 6 can slide in the positioning groove 12 along the diameter direction through the matching of the first arc surface 32 and the second arc surface 61, so that the first arc surface 32 and the second arc surface 61 are disengaged, and the charging gun 3 can be conveniently drawn out from the placing hole 11.
As shown in fig. 1 to 5, a sliding groove 411 adapted to avoid the second arc surface 61 is provided on the outer peripheral wall of the protruding portion 41, the second arc surface 61 on the positioning column 6 contacts with the groove bottom of the sliding groove 411, and the protruding portion 41 is in clearance fit with the sealing ring 2.
As shown in fig. 1 to 5, when the charging gun 3 is drawn out from the placing hole 11, the baffle 4 and the protruding portion 41 slide toward the opening of the placing hole 11, and the sliding groove 411 of the protruding portion 41 can avoid the outer end of the positioning column 6, so that the protruding portion 41 can slide in the placing hole 11, and the protruding portion 41 is inserted into the sealing ring 2.
In some embodiments, as shown in fig. 1 to 5, the positioning groove 12 is located at a position of the placing hole 11 close to the sealing ring 2, and when the protruding portion 41 is inserted into the sealing ring 2, the baffle 4 abuts against the outer wall surface of the positioning column 6 under the elastic force of the first elastic member 5.
As shown in fig. 1 to 5, since the positioning column 6 is provided in the positioning groove 12, on the premise that the positioning groove 12 is close to the opening of the placement hole 11, the positioning column 6 is also close to the opening of the placement hole 11, and when the protruding portion 41 is inserted into the sealing ring 2, the baffle 4 abuts against the outer peripheral surface of the positioning column 6.
As shown in fig. 1 to 5, after the protruding portion 41 is inserted into the sealing ring 2, the side of the baffle 4 where the protruding portion 41 is provided abuts against the outer wall surface of the positioning column 6, so that the positioning column 6 can limit the sliding of the baffle 4, and at the same time, the impact of the baffle 4 on the sealing ring 2 can be reduced, thereby facilitating the improvement of the service life of the sealing ring 2.
In some embodiments, as shown in fig. 1 to 5, the inner end of the positioning post 6 is provided with a position-limiting portion 62, and the opening of the positioning slot 12 is provided with a boss 121 adapted to abut against the position-limiting portion 62; the boss 121 is provided with a through hole for allowing the positioning post 6 to pass through the positioning groove 12.
As shown in fig. 1 to 5, the position-limiting portion 62 is fixed to the inner end of the positioning post 6, the position-limiting portion 62 is cylindrical, and the diameter of the position-limiting portion 62 is larger than that of the positioning post 6.
As shown in fig. 1 to 5, in the process of inserting the charging gun 3 into the placement hole 11, the outer end of the positioning post 6 abuts against the outer peripheral wall of the charging gun 3 by the second spring.
As shown in fig. 1 to 5, after the charging gun 3 is inserted in place, the second arc surface 61 at the outer end of the positioning column 6 is inserted and matched with the first arc surface 32 of the charging gun 3, so as to position the charging gun 3.
As shown in fig. 1 to 5, when the electric vehicle needs to be charged, the charging gun 3 is pulled out from the placing hole 11, the elastic force of the second spring can be overcome during the pulling out of the charging gun 3, so that the positioning column 6 slides in the direction of the positioning groove 12, and the second arc surface 61 at the outer end of the positioning column 6 can be separated from the first arc surface 32 of the charging gun 3, thereby facilitating the pulling out of the charging gun 3 from the placing hole 11.
In some embodiments, as shown in fig. 1 to 5, the positioning groove 12, the positioning column 6 and the second elastic member 7 are all provided in a plurality along the circumferential direction of the placing hole 11, and each positioning column 6 and second elastic member 7 are located in the corresponding positioning groove 12; the first arc surfaces 32 of the insertion ends 31 of the charging guns 3 are several and correspond to the positioning columns 6 one by one.
As shown in fig. 1 to 5, the second arc surfaces 61 on the plurality of positioning columns 6 are matched with the corresponding first arc surfaces 32 on the outer peripheral wall of the charging gun 3, so that the positioning of the charging gun 3 can be enhanced, and the stability of the charging gun 3 in placement can be improved.
In some embodiments, as shown in fig. 1 to 5, the placement holes 11 are disposed obliquely, the opening of the placement holes 11 is a high end, and the bottom of the placement holes 11 is a low end.
As shown in fig. 1 to 5, when the charging gun 3 is placed, since the placing hole 11 is provided obliquely, the charging gun 3 can be stably placed in the placing hole 11 by its own weight and a frictional force with the seal ring 2.
As shown in fig. 1 to 5, the elastic force generated by the compression of the first spring is insufficient to overcome the gravity of the charging gun 3 and the frictional force of the charging gun 3 and the sealing ring 2, and thus, although the first spring is compressed, it is insufficient to eject the charging gun 3 out of the placing hole 11, facilitating the stable placement of the charging gun 3 in the placing hole 11.
It should be noted that, as shown in fig. 1 to 5, when the positioning structure is provided on the box body 1, the axis of the placing hole 11 on the box body 1 is horizontally arranged, and since the width and the depth of the slide way on the protruding portion 41 are small, raindrops are difficult to enter the placing hole 11 from the slide way of the protruding portion 41, and even if raindrops enter the placing hole 11 from the slide way, they can be ignored.
As shown in fig. 1 to 5, when the placing hole 11 is obliquely arranged, the case 1 is not provided with a positioning structure; although the opening of the placing hole 11 is inclined upward, in the process of charging the electric vehicle, the protruding portion 41 can close the opening of the placing hole 11, so that rainwater entering the placing hole 11 can be avoided during rainfall, and potential safety hazards are reduced.
In addition, as shown in fig. 1 to 5, a waterproof pad may be disposed on the outer wall surface of the sliding groove 411 close to the protruding portion 41, and when the protruding portion 41 is inserted into the sealing ring 2, the waterproof pad on the protruding portion 41 can close the opening of the inner peripheral wall of the sliding channel and the sealing ring 2, so as to facilitate waterproofing; the waterproof pad has elasticity, and does not influence the cooperation of second arc surface 61 of reference column 6 and slide.
In some embodiments, as shown in fig. 1 to 5, the outer circumferential wall of the plug end 31 of the charging gun 3 is fixedly provided with a friction layer, and the friction layer is in friction fit with the inner circumferential wall of the sealing ring 2.
As shown in fig. 1 to 5, providing a friction layer on the outer peripheral wall of the insertion end 31 of the charging gun 3 can increase the friction between the outer peripheral wall of the charging gun 3 and the inner peripheral wall of the sealing ring 2, and prevent the charging gun 3 from popping out of the placing hole 11 under the action of the first spring force.
In some embodiments, as shown in fig. 1 to 5, the side of the protruding portion 41 facing the opening of the placing hole 11 is provided with an arc-shaped transition surface, which protrudes outward; after the rainwater falls on the arc transition surface, the rainwater can flow along the arc transition surface, so that the rainwater staying on the arc transition surface can be reduced, and the waterproof performance is convenient to improve.
In some embodiments, as shown in fig. 1 to 5, the side of the box 1 provided with the placing hole 11 is provided with a support plate 13, and the support plate 13 has a contact surface adapted to contact the outer end of the charging gun 3; the layer board 13 is fixed on the box 1, because the handle of the outside end of the charging gun 3 and the inserting end 31 of the charging gun 3 are in a certain angle, the layer board 13 is provided with an avoiding groove which is contacted with the handle of the charging gun 3. The support plate 13 is in contact with the handle of the charging gun 3, so that the stability of the charging gun 3 during placement can be further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A charging pile for an electric automobile is characterized by comprising a box body, a sealing ring, a charging gun, a baffle plate and a first elastic piece, wherein a placing hole is formed in one side of the box body; the sealing ring is connected with the box body and is positioned at the opening of the placing hole; the charging gun is provided with an inserting end inserted into the placing hole, and the outer peripheral wall of the inserting end is contacted with the inner peripheral wall of the sealing ring; the baffle plate can slide along the placing hole; the baffle is provided with a convex part which can be inserted with the sealing ring; two ends of the first elastic piece are respectively connected with the placing hole and the baffle; when the protruding part is inserted into the sealing ring under the action of the elastic force of the first elastic piece, the protruding part closes the opening of the placing hole; when the charging gun is inserted into the placing hole, the protruding portion is located in the placing hole under the pushing action of the charging gun, and the elastic force generated by compression of the first elastic piece is smaller than the friction force between the charging gun and the sealing ring.
2. The charging pile for the electric vehicle according to claim 1, wherein a positioning structure adapted to be inserted in place along with the charging gun and position the charging gun and the box is provided on the box.
3. The charging pile for electric vehicles according to claim 2, wherein a positioning groove is provided on an inner wall surface of the placement hole, the positioning groove being along a diameter direction of the placement hole; the positioning structure comprises a positioning column and a second elastic piece, the positioning column is arranged in the positioning groove, one end of the second elastic piece is connected with the bottom wall of the positioning groove, and the other end of the second elastic piece is connected with the positioning column;
the outer peripheral surface of the insertion end of the charging gun is provided with a first arc surface, and the positioning column is provided with a second arc surface suitable for being inserted with the first arc surface;
and a sliding groove suitable for avoiding the second arc surface is formed in the peripheral wall of the protruding part.
4. The charging pile for electric vehicles according to claim 3, wherein the positioning groove is located at a position of the placing hole close to the sealing ring, and when the protruding portion is inserted into the sealing ring, the baffle abuts against the outer wall surface of the positioning column under the elastic force of the first elastic member.
5. The charging pile for the electric vehicle according to claim 3, wherein a limiting part is arranged at the inner side end of the positioning column, and a boss which is suitable for abutting against the limiting part is arranged at an opening of the positioning groove; the boss is provided with a through hole which is suitable for the positioning column to penetrate out.
6. The charging pile for electric vehicles according to claim 3, wherein the positioning slots, the positioning posts and the second elastic members are all provided in a plurality along the circumferential direction of the placing hole, and each positioning post and each second elastic member are located in the corresponding positioning slot; the first arc surfaces of the insertion ends of the charging guns are a plurality of and correspond to the positioning columns one by one.
7. The charging pile for electric vehicles according to claim 1, wherein the placement hole is disposed obliquely, the opening of the placement hole is a high end, and the bottom of the placement hole is a low end.
8. The charging pile for electric vehicles according to claim 1, wherein the outer peripheral wall of the charging gun insertion end is provided with a friction layer, and the friction layer is in friction fit with the inner peripheral wall of the sealing ring.
9. The charging post for electric vehicles according to claim 1, wherein the side of the protrusion facing the opening of the placement hole is provided with an arc-shaped transition surface.
10. The charging pile for electric vehicles according to claim 1, wherein the case is provided with a support plate at a side thereof provided with the placing hole, the support plate having a contact surface adapted to contact an outer end of the charging gun.
CN202122705791.6U 2021-11-05 2021-11-05 Charging pile for electric automobile Active CN216331511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122705791.6U CN216331511U (en) 2021-11-05 2021-11-05 Charging pile for electric automobile

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Application Number Priority Date Filing Date Title
CN202122705791.6U CN216331511U (en) 2021-11-05 2021-11-05 Charging pile for electric automobile

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Publication Number Publication Date
CN216331511U true CN216331511U (en) 2022-04-19

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CN202122705791.6U Active CN216331511U (en) 2021-11-05 2021-11-05 Charging pile for electric automobile

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