CN114421231A

CN114421231A - Charging connection device

Info

Publication number: CN114421231A
Application number: CN202110865764.7A
Authority: CN
Inventors: 孔优; 段欣迪; 袁大利; 张祥
Original assignee: Guochuang Mobile Energy Innovation Center Jiangsu Co Ltd
Current assignee: Guochuang Mobile Energy Innovation Center Jiangsu Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-04-29

Abstract

The invention relates to the field of autonomous charging, and particularly discloses a charging connecting device which comprises a socket, a guide assembly and a plug, wherein the plug is connected with a charging pile, the socket is arranged on an object to be charged, the guide assembly is detachably connected with the socket, a jack matched with the shape of the end part of the plug is arranged in the guide assembly, the plug is connected with the socket through the guide assembly, the charging pile connected with the plug is provided with a flexible mechanism, the plug can be ensured to rotate in a deviating mode according to the actual working condition under the condition that the positioning precision is inaccurate, and then the plug can be inserted into the guide assembly.

Description

Charging connection device

Technical Field

The invention relates to the technical field of new energy automobile charging equipment, in particular to a charging connecting device.

Background

Along with the improvement of the capacity of the battery, the charging power of the new energy automobile is increased, so that the use of the cable tends to be larger, the charging gun is heavier and heavier at present, and the operability is reduced, so that the trend of developing towards automatic charging is presented in the field of new energy automobiles, although the trend is provided, the coverage range of automatic charging is far inferior to that of a conventional charging pile, and a part of automobiles capable of automatically charging still need to be manually charged under the condition that the automatic charging pile is not arranged, and meanwhile, the conventional automatic charging is positioned by means of vision, so that the cost is high, and the popularization difficulty is high; in contrast, the ultrasonic positioning is inexpensive, but the accuracy of the conventional gun insertion is low because the ultrasonic positioning is not accurate and the gun insertion is not performed because the gun insertion is slightly deviated from the charging port.

Disclosure of Invention

The invention provides a charging connecting device, which aims to solve the problem of low accuracy of gun insertion by utilizing ultrasonic positioning in the existing automatic charging technology.

The technical scheme adopted by the invention is as follows:

a charging connection device, comprising:

the plug is connected with the charging pile;

a socket provided on an object to be charged;

the guide assembly is detachably connected with the socket, a jack matched with the shape of the end part of the plug is arranged in the guide assembly, and the plug is connected with the socket through the guide assembly.

Further, the guide assembly comprises a vehicle-mounted shell, a detachable guide piece and a fixing assembly used for connecting the vehicle-mounted shell and the detachable guide piece, the vehicle-mounted shell is connected with the socket, and the detachable guide piece is arranged in the vehicle-mounted shell.

Furthermore, a first convex key position matched with the detachable guide piece is arranged on the first surface of the inner wall of the vehicle-mounted shell, and a first positioning column and a second positioning column matched with the fixing component are respectively arranged on the second surface and the fourth surface of the inner wall of the vehicle-mounted shell.

Further, the first face of removable guide outer wall be provided with first protruding key position complex first concave key position, the second face and the fourth face of removable guide outer wall are provided with the recess respectively, and two recesses are configured into first recess and second recess respectively, first recess with be provided with respectively in the second recess with fixed subassembly complex third reference column and fourth reference column.

Further, the detachable guide piece is provided with a bolt hole, and the bolt hole is locked with the fixing component.

Further, fixed subassembly includes the handle, the handle is including horizontal portion and the perpendicular to that is provided with the hasp groove two connecting portion and two of horizontal portion connecting portion set up the both ends of horizontal portion, two connecting portion set up respectively first recess with just two in the second recess connecting portion are provided with arc wall and handle through-hole respectively, two the arc wall respectively with first reference column with the cooperation of second reference column, two the handle through-hole respectively with the third reference column with the cooperation of fourth reference column.

Furthermore, the bolt hole on the detachable guide piece is of a protruding structure, and the transverse part of the handle is provided with a clamping groove clamped with the bolt hole.

Furthermore, at least one protruding bag is arranged on the detachable guide piece, and a guide piece positioning hole matched with the protruding bag is formed in the transverse portion of the handle.

Furthermore, the fixing assembly further comprises a lock catch, a bolt is arranged at the end of the lock catch, and the bolt is matched with the bolt hole in the detachable guide piece through the lock catch groove.

Furthermore, the bottom of the lock catch is provided with at least one positioning bag, and the transverse part of the handle is provided with a lock catch positioning hole matched with the positioning bag.

Compared with the prior art, the invention has the beneficial effects that:

the charging connecting device provided by the invention comprises the detachable guide assembly, the plug of the charging gun is connected with the socket through the guide assembly, when the charging gun is inserted into the socket and slightly deviates from the socket, the guide assembly can help to return to the gun inserting position, so that the charging gun is accurately inserted into the socket, and the problem of low gun inserting preparation rate caused by inaccurate positioning in the conventional automatic charging technology is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a charging connection device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a guide assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a vehicle-mounted housing according to an embodiment of the present invention;

FIG. 4 is a schematic front view of a removable guide according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a rear structure of a detachable guide according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a handle according to an embodiment of the present invention;

fig. 7 is a schematic front structure diagram of a latch according to an embodiment of the present invention;

fig. 8 is a schematic side view of a latch according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of the assembled buckle according to the embodiment of the present invention;

FIG. 10 is a schematic structural view of an initial installation position of a fixing assembly according to an embodiment of the present invention;

FIG. 11 is a schematic view of a mid-mounting position of a securing assembly according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of a fixing assembly provided in accordance with an embodiment of the present invention;

fig. 13 is an exploded view of a receptacle provided by an embodiment of the present invention;

fig. 14 is a schematic back side view of a receptacle panel according to an embodiment of the present invention;

fig. 15 is a schematic diagram of a rear structure of a socket housing according to an embodiment of the present invention;

fig. 16 is a front view of a socket housing according to an embodiment of the present invention;

fig. 17 is a schematic structural diagram of a dc jack according to an embodiment of the present invention;

fig. 18 is a schematic structural view of a socket terminal base according to an embodiment of the present invention;

fig. 19 is a schematic structural diagram of a receptacle panel according to an embodiment of the present invention;

fig. 20 is a sectional view of the socket, the charging connection device, and the plug provided in the embodiment of the present invention after connection.

In the drawings, 10 is a socket, 11 is a sealing gasket, 12 is a socket panel, 121 is a second snap, 122 is a through hole of the socket panel, 123 is a first sealing ring groove, 124 is a third snap, 13 is a first sealing ring, 14 is a signal insertion hole, 15 is a ground insertion hole, 16 is a dc insertion hole, 161 is a first temperature sensor, 162 is a screw hole, 163 is a second sealing ring, 164 is a spring, 165 is a rotation preventing structure, 17 is a socket housing, 171 is a flange, 172 is a second snap groove, 173 is a first injection nut, 174 is a second injection nut, 175 is a fourth snap, 1751 is a rectangular through hole, 176 is a second sealing ring groove, 18 is a socket terminal base, 181 is a socket bolt, 182 is a socket through hole, 183 is a third sealing ring, 19 is a socket tail cover, 20 is a plug, 21 is a signal pin, 22 is a ground, 23 is a direct current pin, 231 is a second temperature sensor, 24 is a plug shell, 25 is a plug terminal base, 251 is a plug bolt, 26 is a plug tailstock, 27 is a plug panel, 30 is a guide component, 31 is a vehicle-mounted shell, 311 is a fixing hole, 312 is a first positioning column, 313 is a first convex key position, 314 is an accommodating cavity, 315 is a mounting hole, 316 is a second positioning column, 32 is a detachable guide member, 321 is an insertion hole, 322 is a convex bag, 323 is a first concave key position, 324 is a plug pin hole, 325 is a third positioning column, 326 is a fourth positioning column, 327 is a first groove, 328 is a second groove, 329 is a guide member back opening, 33 is a handle, 331 is a handle through hole, 332 is an arc-shaped groove, 3321 is an arc-shaped groove opening, 333 is a locking groove, 334 is a positioning hole group, 3341 is a guide member positioning hole, 3342 is a positioning hole, and 335 is a locking groove; 34 is a lock catch, 341 is a bolt, 342 is a cantilever beam, 3421 is a positioning bag, 343 is a first buckle.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Fig. 1 shows a schematic structural diagram of a charging connection device provided in this embodiment, the charging connection device includes a socket 10, a guiding component 30 and a plug 20, wherein the plug 20 is connected to a charging pile, the socket 10 is disposed on an object to be charged, the guiding component 30 is detachably connected to the socket 10, a jack matched with the end shape of the plug 20 is disposed in the guiding component 30, the plug 20 is connected to the socket 10 through the guiding component 30, the charging pile connected to the plug 20 provided in this embodiment is provided with a flexible mechanism, so that it can be ensured that the plug 20 rotates in a deviating manner according to an actual working condition under the condition that the positioning accuracy is not accurate, and then the plug 20 is accurately inserted into the socket 10 through the guiding component 30, and the accuracy of the butt joint between the plug 20 and the socket 10 in the automatic charging technology is improved through the guiding component in this embodiment.

It should be noted that, the guide assembly 30 provided in this embodiment is detachable, so that the guide assembly 30 can be detached only when the charging is performed manually, which is convenient for manual charging.

As a specific embodiment of the guide assembly 30 of the present invention, as shown in fig. 2, the guide assembly 30 includes a vehicle-mounted housing 31, a detachable guide 32, and a fixing assembly for connecting the vehicle-mounted housing 31 and the detachable guide 32, wherein the vehicle-mounted housing 31 is connected to the socket 10, the detachable guide 32 is disposed in the vehicle-mounted housing 31, and the detachable guide 32 and the vehicle-mounted housing 31 are fixedly connected by the fixing assembly.

Specifically, as a specific example of the vehicle-mounted housing 31 provided in this embodiment, as shown in fig. 3, a first surface of an inner wall of the vehicle-mounted housing 31 is provided with a first protruding key portion 313 engaged with the detachable guide 32, and a second surface and a fourth surface of the inner wall of the vehicle-mounted housing 31 are respectively provided with a first positioning column 312 and a second positioning column 316 engaged with the fixing components.

Further, as shown in fig. 3, four corners of the vehicle-mounted housing 31 are provided with fixing holes 311, and the fixing holes 311 are used for fixing with the receptacle 10.

Further, as shown in fig. 3, the vehicle-mounted housing 31 is a hollow structure, and a receiving cavity 314 is provided therein, the receiving cavity 314 is used for receiving the detachable guide 32, and a mounting hole 315 is further provided on a fifth surface of the vehicle-mounted housing 31, and the size of the mounting hole 315 is consistent with that of the charging port of the socket 10, so that the charging gun can be conveniently inserted into the socket 10.

Specifically, as a specific embodiment of the detachable guide 32 provided in this embodiment, as shown in fig. 4, the first surface of the outer wall of the detachable guide 32 is provided with a first concave key position 323 matching with the first convex key position 313, and by mutually engaging the first convex key position 313 and the first concave key position 323, the vehicle-mounted shell 31 and the detachable guide can be fixed together, preventing the detachable guide 32 from shifting.

Further, as shown in fig. 4, the second and fourth surfaces of the outer wall of the detachable guide 32 are respectively provided with a groove, the two grooves are respectively configured as a first groove 327 and a second groove 328, and the first groove 327 and the second groove 328 provide a movable space for the fixing component.

Further, as shown in fig. 4, a third positioning column 325 and a fourth positioning column 326 which are matched with the fixing assembly are respectively disposed in the first groove 327 and the second groove 328, and are connected to the fixing assembly through the third positioning column 325 and the fourth positioning column 326.

Further, as shown in fig. 4, the detachable guide 32 is provided with a latch hole 324, and the latch hole 324 is locked with the fixing member.

Further, as shown in fig. 4 and 5, the detachable guide 32 provided in this embodiment is provided with an insertion opening 321 and a guide back opening 329, the insertion opening 321 is communicated with the guide back opening 329, the size of the insertion opening 321 is larger than that of the guide back opening 329, and an insertion hole formed by the insertion opening 321 and the guide back opening 329 is matched with the shape of the charging gun, so that the charging gun can be inserted into the receptacle 10 accurately.

Specifically, as a specific embodiment of the fixing assembly provided in this embodiment, as shown in fig. 6, the fixing assembly includes a handle 33, the handle 33 includes a transverse portion provided with a locking groove 333 and two connecting portions perpendicular to the transverse portion, the two connecting portions are disposed at two ends of the transverse portion, the two connecting portions are disposed in the first recess 327 and the second recess 328 respectively, the two connecting portions are provided with an arc-shaped groove 332 and a handle through hole 331 respectively, the two arc-shaped grooves 332 are respectively matched with the first positioning column 312 and the second positioning column 316, and the two handle through holes 331 are respectively matched with the third positioning column 325 and the fourth positioning column 326.

Further, as shown in fig. 4 and 7, the latch hole 324 of the detachable guide 32 is a protrusion, and the lateral portion of the handle 33 is provided with a locking groove 335 engaged with the latch hole 324, and when the handle 33 is rotated to the locking position, the locking groove 335 is engaged with the latch hole 324 to fix the handle 33 and the detachable guide 32.

Further, as shown in fig. 4 and 6, at least one protrusion 322 is disposed on the detachable guide 32, and the lateral portion of the handle 33 is disposed with a locking positioning hole 3342 engaged with the protrusion 322, so that when the protrusion 322 is locked into the locking positioning hole 3342 of the lateral portion of the handle 33, the handle 33 and the detachable guide 32 are further fixed together.

Further, as shown in fig. 7, the fixing assembly further includes a lock catch 34, a latch 341 is disposed at an end of the lock catch 34, the latch 341 is engaged with a latch hole 324 of the detachable guide 32 through the lock catch slot 333, and when the handle 33 is rotated to the locking position, the latch 341 is inserted into the latch hole 324 to further lock the handle 33.

Further, the lock catch 34 provided in this embodiment further includes a first catch 343, and when the lock catch 34 enters the lock catch slot 333, the first catch 343 is engaged with the lock catch slot 333.

Further, as shown in fig. 8 and 9, the bottom of the lock catch 34 is provided with at least one positioning bag 3421, the lateral portion of the handle 33 is provided with a guide positioning hole 3341 engaged with the positioning bag 3421, and the detachable guide 32 is further fixed by the engagement of the positioning bag 3421 and the guide positioning hole 3341.

It should be noted that, as shown in fig. 10 to 12, in the present embodiment, the vehicle-mounted housing 31 and the detachable guide 32 are fixed by the handle 33, the initial position of the initial installation is as shown in fig. 10, the handle 33 is perpendicular to the detachable guide 32, the first positioning column 312, the second positioning column 316, the third positioning column 325 and the fourth positioning column 326 are respectively clamped into the two through holes and the two arc-shaped grooves 332 of the handle 33, the first protruding key position 313 is aligned with the first recessed key position 323 arranged on the vehicle-mounted housing 313 and inserted into the accommodating cavity 314, then the third positioning column 325 and the fourth positioning column 326 enter the arc-shaped groove 332 of the handle 33, and with the rotation of the handle 33, as shown in fig. 11, the handle 33 rotates around the first positioning hole and the second positioning hole to drive the third positioning hole and the fourth positioning hole to slide in the two arc-shaped grooves 332, when the handle 33 is installed in place, the guide 32 completely enters the vehicle-mounted housing, as shown in fig. 12, the lateral portion of the handle 33 is now in contact with the detachable guide 32 and locked, so that the detachable guide 32 is not easily rotated in the vehicle-mounted housing, and when the charging gun is inserted with a slight deviation, the charging gun can be securely inserted into the receptacle 10 by restoring the position of the charging gun through the detachable guide 32.

Specifically, the working principle of the fixing assembly provided by the embodiment is as follows:

as shown in fig. 9-12, the surface of the detachable guide 32 is provided with latch holes 324 and protrusion packs 322, the number of the latch holes 324 is the same as that of the latch 34, in this embodiment, the latch 34 is inserted into the latch slot 333 of the handle 33 first, the positioning packs 3421 are then locked into the guide positioning holes 3341, as the handle 33 rotates, the lateral portions of the handle 33 approach the detachable guide 32, the protrusion packs 322 on the detachable guide 32 enter the guide positioning holes 3341, because the front ends of the protrusion packs 322 are right-angled, the insertion cannot be continued, when the handle 33 rotates to a certain position, the protrusion packs 322 push the positioning packs 3421 upwards, the latch 34 has the capability of continuing to move forwards, the positioning packs 3421 enter the latch positioning holes 3342, the latch 341 also enters the latch holes 324, the handle 33 is fixed on the detachable guide 32 by the latch 33, the detachable guide 32 is fixed in the vehicle-mounted housing 31, that is, in the present embodiment, the detachable guide 32 is fixed in the vehicle-mounted housing 31 by the handle 33, the handle 33 is fixed by the latch 34 after being in place, the latch 34 cannot be completely inserted when the handle 33 is not in place, and is in an unlocked state, and the latch 34 can be locked only when the handle 33 is in place.

As a specific example of the socket 10 provided in this embodiment, as shown in fig. 13, the socket 10 provided in this embodiment includes a socket tail cover 19, a socket terminal base 18, a socket housing 17, a jack group, a first gasket 13, a socket panel 12, and a gasket 11, which are sequentially disposed, wherein the socket tail cover 19 and the socket terminal base 18 are fixed by a socket bolt 181.

Specifically, as a specific embodiment of the socket panel 12 provided by this embodiment, as shown in fig. 14, four end points of the socket panel 12 are respectively provided with a socket panel through hole 122, the position of the socket panel through hole 122 is the same as that of the injection nut, two long sides of the back of the socket panel 12 are respectively provided with a second snap 121 and a third snap 124, and the socket panel 12 is internally provided with a first seal ring groove 123.

Specifically, as a specific embodiment of the receptacle housing 17 provided in this embodiment, as shown in fig. 15, the receptacle housing 17 is provided with a flange 171, the flange 171 is provided with four injection-molded nuts for mounting and fixing the receptacle 10, two long sides of the flange 171 are respectively provided with a second fastening groove 172 and a fourth fastening 175, and an elongated through hole 1751 is formed in the fourth fastening 175, so that the fourth fastening 175 forms a simple beam structure, and meanwhile, the front surface of the receptacle housing 17 is provided with a second sealing ring groove 176.

Further, the socket panel 12 is fixed on the socket housing 17 through the second fastener 121 and the third fastener 124, the second fastener 121 is first placed in the second fastener groove 172, then the simple beam has certain elasticity due to the effect of the elongated through hole, the third fastener 124 is fixed on the fourth fastener 175 to fix the socket panel 12 and the socket housing 17, the second seal ring groove 176 corresponds to the first seal ring groove 123 to fix the first seal ring 13 inside, at this time, the socket 10 is installed, and then the socket 10 is fixed at the bottom of the vehicle-mounted housing 31 through the injection nut by using the socket bolt 181.

Further, the jack group of the socket 10 includes a signal jack 14, a ground jack 15 and a dc jack 16, the size and number of the terminals are made by the standard, and are not described herein again, taking the dc jack 16 as an example, as shown in fig. 17, the dc jack 16 is provided with a second sealing ring 163, a spring 164 and an anti-rotation structure 165, and the dc jack 16 is different from other terminals in that a threaded hole 162 is formed in the middle of the dc jack 16, and a first temperature sensor 161 is disposed inside the threaded hole 162.

Further, in this embodiment, after the signal jack 14, the ground jack 15, and the dc jack 16 are wired, the dc jack 16 is pre-installed on the socket terminal base 18 through the anti-rotation structures 165, as shown in fig. 17 and 18, the three socket through holes 182 are provided on the socket terminal base 18, the terminals are pre-installed on the socket terminal base 18 and then integrally installed in the socket housing 17, injection-molded nuts corresponding to the socket through holes 182 one to one are provided on the socket housing 17, the socket terminal base 18 is fixed in the socket housing 17 through the socket bolts 181, and then the socket tail cover 19 is installed at the tail of the socket housing 17.

As a specific embodiment of the plug 20 provided in this embodiment, as shown in fig. 19, the plug 20 provided in this embodiment is sequentially provided with a plug panel 27, a plug tail seat 26, a plug terminal base 25, a plug housing 24, a dc pin 23, a ground pin 22 and a signal pin 21, the basic principle of the plug 20 provided in this embodiment is the same as that of the socket 10, the size and number of the signal pin 21, the ground pin 22 and the dc pin 23 are determined by standards, and are not described herein again, all terminals and the dc jack 16 are provided with an anti-rotation structure 165 and a sealing structure, and the dc pin 23 is provided with a second temperature sensor 231.

Further, after the signal pin 21, the ground pin 22 and the direct current pin 23 are pressed, the signal pin, the ground pin and the direct current pin are pre-installed on the plug terminal base 25 through the anti-rotation structure 165, then the signal pin, the ground pin and the direct current pin are integrally installed in the plug shell 24, then the signal pin and the direct current pin are fixed in the plug shell 24 through the plug bolt 251, finally the plug tail cover 26 is fixed at the tail of the plug shell 24, at the moment, the installation of the plug 20 is completed, then the plug 20 is fixed on the plug panel 27 through the plug bolt 251, the plug panel 27 is installed on the charging pile, the charging pile is provided with a flexible mechanism, and the plug 20 is ensured to rotate in an offset mode according to actual working conditions under the condition that the positioning accuracy is not accurate.

In summary, the charging connection device provided in this embodiment realizes the docking of the plug 20 of the charging gun and the socket 10 of the object to be charged through the detachable guide 32, as shown in fig. 19, since the shape of the plug 20 of the charging gun is matched with the shape of the plug of the detachable guide 32, when the docking is deviated, the plug 20 can be returned through the detachable guide 32, so as to improve the accuracy of automatic charging, and meanwhile, when the charging is performed manually, only the detachable guide 32 needs to be detached, so that the application range of this embodiment is wider.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A charging connection device, comprising:

the plug (20), the said plug (20) connects the charging pile;

a socket (10), the socket (10) being provided on an object to be charged;

the guide assembly (30), the guide assembly (30) is detachably connected with the socket (10), a jack matched with the shape of the end of the plug (20) is arranged in the guide assembly (30), and the plug (20) is connected with the socket (10) through the guide assembly (30).

2. The charging connection device according to claim 1, characterized in that the guide assembly (30) comprises a vehicle-mounted housing (31), a detachable guide (32), and a fixing assembly for connecting the vehicle-mounted housing (31) and the detachable guide (32), the vehicle-mounted housing (31) being connected with the receptacle (10), the detachable guide (32) being provided within the vehicle-mounted housing (31).

3. The charging connection device according to claim 2, wherein a first surface of the inner wall of the vehicle-mounted housing (31) is provided with a first protrusion key (313) engaged with the detachable guide (32), and a second surface and a fourth surface of the inner wall of the vehicle-mounted housing (31) are provided with a first positioning column (312) and a second positioning column (316) engaged with the fixing member, respectively.

4. The charging connection device according to claim 3, wherein a first surface of the outer wall of the detachable guide (32) is provided with a first concave key (323) matched with the first convex key (313), a second surface and a fourth surface of the outer wall of the detachable guide (32) are respectively provided with a groove, the two grooves are respectively configured as a first groove (327) and a second groove (328), and a third positioning column (325) and a fourth positioning column (326) matched with the fixing component are respectively arranged in the first groove (327) and the second groove (328).

5. The charging connection device according to claim 4, characterized in that the detachable guide (32) is provided with a latch hole (324), the latch hole (324) being locked with the fixing member.

6. The charging connection device according to claim 5, wherein the fixing assembly comprises a handle (33), the handle (33) comprises a lateral portion provided with a locking groove (333) and two connecting portions perpendicular to the lateral portion and provided at both ends of the lateral portion, the two connecting portions are respectively provided in the first recess (327) and the second recess (328) and provided with an arc-shaped groove (332) and a handle through hole (331), the two arc-shaped grooves (332) are respectively engaged with the first positioning column (312) and the second positioning column (316), and the two handle through holes (331) are respectively engaged with the third positioning column (325) and the fourth positioning column (326).

7. The charging connection device according to claim 6, wherein the latch hole (324) of the detachable guide (32) is a protrusion, and the lateral portion of the handle (33) is provided with a catch for engaging with the latch hole (324).

8. The charging connection device according to claim 6, wherein the detachable guide (32) is provided with at least one protrusion piece (322), and the lateral portion of the handle (33) is provided with a guide positioning hole (3341) to be engaged with the protrusion piece (322).

9. The charging connection device according to claim 6, wherein the fixing member further comprises a locking buckle (34), an end of the locking buckle (34) is provided with a latch (341), and the latch (341) is engaged with a latch hole (324) of the detachable guide (32) through the locking buckle slot (333).

10. The charging connection device according to claim 9, wherein the bottom of the latch (34) is provided with at least one positioning bag (3421), and the lateral portion of the handle (33) is provided with a latch positioning hole (3342) engaged with the positioning bag (3421).