CN212542810U

CN212542810U - Charging plug with joint contraction protection

Info

Publication number: CN212542810U
Application number: CN202021714598.8U
Authority: CN
Inventors: 张建博
Original assignee: Guangzhou Chengtou Land Development Co ltd
Current assignee: Guangzhou Chengtou Land Development Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-02-12
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a charging plug with connect shrink protection, including the safety cover, the safety cover inner wall is close to the middle part position and inlays fixedly connected with screw nut, the sliding opening that arbitrary one side position fixedly connected with of safety cover outer wall annular set up, the annular sliding connection has the turning block in the sliding opening, the safety cover is close to sliding opening one side inner wall and is provided with the screw thread, the safety cover is close to turning block one side and is provided with sealed lid, sealed lid is close to sliding opening one side inner wall threaded connection with the safety cover, be provided with flexible piece in the safety cover, flexible piece outer wall is provided with the lead screw tooth, be connected through the teeth of a cogwheel meshing between the lead screw tooth of flexible piece and the. The utility model discloses can be so that the head that charges can stretch out and draw back for the head that charges is by abundant protection, avoids the head that charges to blow rain to take, causes the first surface aging that charges, causes the first pulverization or the electric leakage that charges, makes the first life that charges longer, uses safelyr.

Description

Charging plug with joint contraction protection

Technical Field

The utility model relates to an electric automobile technical field that charges especially relates to a charging plug with connect shrink protection.

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. The automobile has a small influence on the environment, so that the prospect is widely seen, but the current technology is not mature. Compared with a fuel automobile, the main difference of the pure electric automobile is four parts, namely a driving motor, a speed regulation controller, a power battery and a vehicle-mounted charger. Compared with a gas station, the system is provided with a public ultrafast charging station. The quality difference of the pure electric vehicle depends on the four large components, and the value of the pure electric vehicle also depends on the quality of the four large components. The purpose of the pure electric vehicle is directly related to the selection and the configuration of four parts, the technology is relatively simple and mature, and the pure electric vehicle can be charged in places with power supply.

Electric automobile generally utilizes the head that charges that fills on the electric pile to charge at the charging station among the prior art, and the head that charges in the electric pile charges among the prior art and finishes the back head that charges directly exposes in external environment, and long-time will charge the head and expose and can receive the wind and rain in external environment and take place the condition of ageing, cause the first surface pulverization that charges for a long time, make the head that charges damage or electric leakage, cause certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the charging plug who provides has joint shrink protection.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a charging plug with connect shrink protection, includes the safety cover, fixedly connected with screw nut is inlayed near the middle part position to the safety cover inner wall, the smooth mouthful that arbitrary one side position fixedly connected with of safety cover outer wall annular set up, the annular sliding connection has the turning block in the smooth mouthful, the safety cover is provided with the screw near smooth mouthful one side inner wall, the safety cover is close to turning block one side and is provided with sealed lid, sealed lid is close to smooth mouthful one side inner wall threaded connection with the safety cover, be provided with flexible piece in the safety cover, flexible piece outer wall is provided with the lead screw tooth, be connected through the tooth toothing between the lead screw tooth of flexible piece and the screw nut of.

As a further description of the above technical solution:

the flexible piece is close to sealed lid one end central point and puts fixedly connected with head that charges, flexible piece both ends position is seted up and is run through the through hole that sets up, the fixedly connected with transmission cable in the through hole, transmission cable and through hole inner wall fixed connection.

As a further description of the above technical solution:

and one end of the power transmission cable close to the charging head is electrically connected with the charging head.

As a further description of the above technical solution:

and a connecting block is fixedly connected between the outer wall of the sealing cover and the rotating block, and the connecting block is made of soft plastic materials.

As a further description of the above technical solution:

one side of the sealing cover, which is close to the charging head, is fixedly connected with a rubber sealing gasket.

As a further description of the above technical solution:

the outer wall of the telescopic block is far away from a limit block fixedly connected with one side of the charging head in an annular shape.

As a further description of the above technical solution:

the protective cover, the telescopic block, the sealing cover and the limiting block are all made of aluminum alloy materials.

The utility model discloses following beneficial effect has:

the utility model discloses a set up the safety cover, through the rotating seal lid for sealed lid is screwed out in the safety cover, can be so that sealed lid is fixed around the safety cover through the connecting block, avoids sealed lid to lose, rotates the stopper again, and lead screw tooth and screw nut cooperation through on the flexible piece remove, will charge the head and screw out in the safety cover, will charge the head and inject the current-collecting hole of car again, make the head that charges for the car power supply.

The utility model discloses can be so that the head that charges can stretch out and draw back for the head that charges is by abundant protection, avoids the head that charges to blow rain to take, causes the first surface aging that charges, causes the first pulverization or the electric leakage that charges, makes the first life that charges longer, uses safelyr.

Drawings

Fig. 1 is a cross-sectional view of a charging plug with joint shrinkage protection according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a cross-sectional view of a telescopic block of a charging plug with joint shrinkage protection according to the present invention.

Illustration of the drawings:

1. a protective cover; 2. connecting blocks; 3. a sealing cover; 4. a rubber gasket; 5. a charging head; 6. a lead screw nut; 7. a lead screw tooth; 8. a telescopic block; 9. a power transmission cable; 10. a sliding port; 11. rotating the block; 12. a through hole; 13. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a charging plug with joint contraction protection comprises a protective cover 1, wherein a lead screw nut 6 is fixedly embedded in the position, close to the middle, of the inner wall of the protective cover 1, a sliding opening 10 which is arranged in an annular shape is fixedly connected to the position of any one side of the outer wall of the protective cover 1, a rotating block 11 is slidably connected in the annular sliding opening 10, threads are arranged on the inner wall, close to the sliding opening 10, of the protective cover 1, a sealing cover 3 is arranged on one side, close to the rotating block 11, of the protective cover 1, the sealing cover 3 is in threaded connection with the inner wall, close to the sliding opening 10, of the protective cover 1, a telescopic block 8 is arranged in the protective cover 1, lead screw teeth 7 are arranged on the, the sealing cover 3 can be screwed or unscrewed out of the protective cover 1 by rotating the sealing cover 3, and the charging head 5 can be sufficiently protected when the charging head 5 is positioned in the protective cover 1.

The flexible piece 8 is close to 3 one end central points of sealed lid and puts fixedly connected with charging head 5, and the through hole 12 that runs through the setting is seted up to flexible 8 both ends positions, fixedly connected with transmission cable 9 in the through hole 12, and transmission cable 9 and through hole 12 inner wall fixed connection can supply power for charging head 5 through transmission cable 9, and rethread charging head 5 injects the car in the electric current-collecting hole, for the power supply of car battery. The power transmission cable 9 is electrically connected to the charging head 5 near one end of the charging head 5. Fixedly connected with connecting block 2 between 3 outer walls of sealed lid and turning block 11, connecting block 2 is soft plastic material, is connected sealed lid 3 and turning block 11 through connecting block 2, avoids sealed lid 3 to lose. Sealed 3 fixedly connected with rubber packing 4 that is close to the head of charging 5 one side of covering, avoid the rainwater to flow into in the safety cover 1 through rubber packing 4. The stopper 13 that first 5 one side fixedly connected with rings of charging set up is kept away from to 8 outer walls of flexible piece, avoids flexible piece 8 to thoroughly screw in inconvenient taking out in safety cover 1 through stopper 13. The protective cover 1, the telescopic block 8, the sealing cover 3 and the limiting block 13 are all made of aluminum alloy materials, and the aluminum alloy materials are hard in texture, light and convenient to take.

The working principle is as follows: through the rotatory sealed lid 3, make sealed lid 3 screw out from safety cover 1, can make sealed lid 3 be fixed around safety cover 1 through connecting block 2, avoid sealed lid 3 to lose, rotate stopper 13 again, through the lead screw tooth 7 on the flexible piece 8 and lead screw nut 6 cooperation removal, will charge first 5 and screw out from safety cover 1, will charge first 5 and inject the downthehole that receives of car again, make charge first 5 for the car power supply, make charge first 5 flexible freely, can make charge first 5 fully protected, rubber packing pad 4 can be so that sealed tight simultaneously, avoid infiltration in the safety cover 1, avoid the blowing rain to beat and cause the ageing powdering in charge first 5 surface.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A charging plug with joint shrinkage protection comprises a protective cover (1), and is characterized in that: fixedly connected with screw nut (6) is inlayed near middle part position to safety cover (1) inner wall, smooth mouthful (10) that safety cover (1) outer wall arbitrary one side position fixedly connected with annular set up, the annular sliding connection has turning block (11) in smooth mouthful (10), safety cover (1) is close to smooth mouthful (10) one side inner wall and is provided with the screw thread, safety cover (1) is close to turning block (11) one side and is provided with sealed lid (3), sealed lid (3) are close to smooth mouthful (10) one side inner wall threaded connection with safety cover (1), be provided with flexible piece (8) in safety cover (1), flexible piece (8) outer wall is provided with lead screw tooth (7), be connected through the tooth toothing between lead screw tooth (7) of flexible piece (8) and the screw nut (6) of safety cover (1) inner wall.

2. A charging plug with pinch protection for contacts as claimed in claim 1, wherein: flexible piece (8) are close to sealed lid (3) one end central point and put fixedly connected with head (5) that charges, flexible piece (8) both ends position is seted up through hole (12) that run through the setting, fixedly connected with transmission cable (9) in through hole (12), transmission cable (9) and through hole (12) inner wall fixed connection.

3. A charging plug with pinch protection for contacts as claimed in claim 2, wherein: and one end of the power transmission cable (9) close to the charging head (5) is electrically connected with the charging head (5).

4. A charging plug with pinch protection for contacts as claimed in claim 1, wherein: the sealing cover is characterized in that a connecting block (2) is fixedly connected between the outer wall of the sealing cover (3) and the rotating block (11), and the connecting block (2) is made of soft plastic materials.

5. A charging plug with pinch protection for contacts as claimed in claim 1, wherein: one side of the sealing cover (3) close to the charging head (5) is fixedly connected with a rubber sealing gasket (4).

6. A charging plug with pinch protection for contacts as claimed in claim 1, wherein: the outer wall of the telescopic block (8) is far away from a limit block (13) which is fixedly connected with one side of the charging head (5) and is annularly arranged.

7. A charging plug with pinch protection for contacts as claimed in claim 1, wherein: the protective cover (1), the telescopic block (8), the sealing cover (3) and the limiting block (13) are all made of aluminum alloy materials.