CN211017516U

CN211017516U - Charging seat

Info

Publication number: CN211017516U
Application number: CN201922327620.7U
Authority: CN
Inventors: 韦锡刚; 张永照; 张汝文
Original assignee: Shenzhen Yiwa Technology Co ltd
Current assignee: Shenzhen Yiwa Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-07-14
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a charging seat, which comprises a charging seat main body, a quick-change terminal and a wiring harness terminal, wherein the charging seat main body is provided with an accommodating cavity; the quick-change terminal is detachably arranged in the accommodating cavity and comprises a terminal main body and a connecting part convexly arranged at one end of the terminal main body; the wire harness end terminal is fixedly arranged in the accommodating cavity, the wire harness end terminal is provided with an installation groove for accommodating the connecting part, the side wall of the installation groove or the outer side wall of the connecting part is provided with an elastic reed, and the wire harness end terminal is electrically connected with the quick-change terminal through the elastic reed. The utility model discloses technical scheme has reduced the maintenance cost of charging seat.

Description

Charging seat

Technical Field

The utility model relates to an electric automobile technical field that charges, in particular to charging seat.

Background

Along with electric automobile's development and popularization, frequency of charging to electric automobile is also higher and higher, current charging seat charges through plug many times, it is very big to the wearing and tearing of charging terminal, lead to charge efficiency to descend, the trouble problem improves, and the step of changing the charging seat is extremely loaded down with trivial details, and, the life of charging terminal is less than the life of other spare parts far away in the charging seat, but have to abandon other effective parts when the maintenance is changed, huge waste has been caused, consequently, lead to the maintainability of charging seat poor, maintenance cost is higher.

SUMMERY OF THE UTILITY MODEL

The main objective of the present invention is to provide a charging seat, which aims to reduce the maintenance cost of the charging seat.

In order to achieve the above object, the present invention provides a charging seat, which comprises a charging seat main body, a quick-change terminal and a harness terminal, wherein the charging seat main body has an accommodating cavity; the quick-change terminal is detachably arranged in the accommodating cavity and comprises a terminal main body and a connecting part convexly arranged at one end of the terminal main body; the wire harness end terminal is fixedly arranged in the accommodating cavity, the wire harness end terminal is provided with an installation groove for accommodating the connecting part, the side wall of the installation groove or the outer side wall of the connecting part is provided with an elastic reed, and the wire harness end terminal is electrically connected with the quick-change terminal through the elastic reed.

Optionally, the elastic spring is a spring contact finger, and the spring contact finger extends along the circumferential direction of the harness end terminal.

Optionally, a limit ring groove for accommodating the spring contact finger is formed in the side wall of the mounting groove.

Optionally, the quick-change terminal is screwed or inserted with the wire harness terminal.

Optionally, a threaded hole is formed in the bottom of the mounting groove of the harness end terminal, a connecting hole is formed in the connecting portion, an internal thread is formed in the connecting hole, and the quick-change terminal is connected with the harness end terminal by a bolt penetrating through the connecting hole and the threaded hole; or, the mounting groove of pencil end terminal has seted up the through-hole, the through-hole internal fixation has set firmly the nut, connecting hole has been seted up on the connecting portion, the connecting hole is equipped with the internal thread, wears to locate through the bolt the connecting hole with the nut spiro union, the quick change terminal with pencil end terminal is connected.

Optionally, a first sealing element is sleeved on the outer surface of the screw rod of the bolt, and when the bolt is inserted into the connecting hole, the first sealing element is pressed against the edge of the connecting hole and seals the connecting hole; and/or a second sealing element is sleeved on the outer surface of the head of the bolt and is abutted against the inner wall of the terminal main body; and/or a third sealing element is fixedly arranged on the outer surface of the screw rod of the bolt and is abutted against the hole wall of the connecting hole.

Optionally, the charging seat further comprises a partition board arranged in the accommodating cavity, the partition board is provided with a limiting hole, and the terminal body is limited in the limiting hole.

Optionally, the outer surface of the terminal main body is sleeved with a fourth sealing element, and the fourth sealing element is abutted to the hole wall of the limiting hole.

Optionally, the charging seat further includes an insulating sleeve, and the insulating sleeve is sleeved on the periphery of the terminal main body; the charging seat main part has the first end of connecting the load, the baffle orientation the one side of first end is equipped with the storage tank, the tank bottom of storage tank has been seted up spacing hole, works as the quick change terminal insert locate spacing hole time, insulating cover with the cell wall interference fit of storage tank.

Optionally, the lateral wall of pencil end terminal is equipped with the arch, the charging seat main part has the first end of connecting the load, the baffle dorsad the one side of first end is equipped with and holds bellied holding tank, the tank bottom of holding tank has been seted up spacing hole, through the holding tank is right bellied butt is in order to restrict pencil end terminal to first end direction removes.

The utility model discloses technical scheme installs in the intracavity that holds of charging seat main part through quick change terminal detachably, and when the quick change terminal wearing and tearing of charging seat were serious or broke down, can directly pull down the quick change terminal, and the quick change terminal of renewal is maintained conveniently. Therefore, other effective parts of the charging seat can be repeatedly utilized, the material waste is avoided, the service life and the utilization rate of the charging seat are improved, and the maintenance cost of the charging seat is reduced. And the quick-change terminal is in electrical contact connection with the wire harness end terminal through the elastic spring piece so as to increase the current-carrying capacity of the quick-change terminal and reduce the contact loss.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of an embodiment of a charging stand of the present invention;

FIG. 2 is a cross-sectional view of the charging dock of FIG. 1;

FIG. 3 is a cross-sectional view of the quick-change terminal assembly of FIG. 2 coupled to a wire harness terminal;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a cross-sectional view of another embodiment of the charging stand of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

fig. 7 is a cross-sectional view of another embodiment of the charging stand of the present invention;

fig. 8 is a partial enlarged view at C in fig. 7.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Charging stand	300	Wire harness terminal
100	Charging seat main body	300a	Mounting groove
				100a	Containing cavity		400	Elastic spring leaf
101	First end	501	Bolt
				102	Second end	502	Nut
110	Flange plate	510	First seal member
				120	Waterproof ring	520	Second seal
200	Quick-change terminal component	530	Third seal
				210	Quick-change terminal	540	Fourth seal
211	Terminal body	550	Gasket
				211a	Buckle	600	Partition board
212	Connecting part	710	Insulating bush
				220	Insulating sleeve	720	Cable sealing gasket
220a	Fastening hole	730	Back cover

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a charging seat.

In the embodiment of the present invention, as shown in fig. 1 to 4, the charging seat 10 includes a charging seat main body 100, a quick-change terminal assembly 200 and a wire harness terminal 300, wherein the charging seat main body 100 has an accommodating cavity 100 a; the quick-change terminal assembly 200 is detachably mounted in the accommodating cavity 100a, the quick-change terminal assembly 200 comprises a quick-change terminal 210 and an insulating sleeve 220, the quick-change terminal 210 comprises a terminal main body 211 and a connecting part 212 which is convexly arranged at one end of the terminal main body 211, and the insulating sleeve 220 is sleeved on the periphery of the terminal main body 211; the wire harness end terminal 300 is fixedly arranged in the accommodating cavity 100a, the wire harness end terminal 300 is provided with an installation groove 300a for accommodating the connecting part 212, an elastic spring piece 400 is arranged on the side wall of the installation groove 300a or the outer side wall of the connecting part 212, and the wire harness end terminal 300 is electrically connected with the quick-change terminal 210 through the elastic spring piece 400.

Specifically, as shown in fig. 1 to 4, the charging base body 100 has a first end 101 and a second end 102, the first end 101 is used for connecting a load, the second end 102 is used for connecting a power supply, the charging base body 100 has an accommodating cavity 100a communicating the first end 101 with the second end 102, two jacks can be arranged in the accommodating cavity 100a, the two jacks respectively conduct a positive electrode and a negative electrode of the power supply, the quick-change terminal 210 and the harness end terminal 300 are both inserted into the jacks, the quick-change terminal 210 is disposed at the first end 101 of the charging base body 100, and the harness end terminal 300 is disposed at the second end 102 of the charging base body 100. In order to increase the strength of the charging-stand main body 100, a flange 110 is provided around the charging-stand main body 100. In order to protect the charging stand 10 from water and dust, a waterproof ring 120 may be disposed on an inner wall of the charging stand body 100, and the waterproof ring 120 may be fitted over the quick-change terminal assembly 200. It is understood that the charging seat body 100 may have a cylindrical shape or a prismatic shape, which is not limited herein.

The wire harness terminal 300 and the charging base body 100 may be clamped or screwed to fix the wire harness terminal 300 in the accommodating cavity 100 a. As shown in fig. 1 to 2, the charging dock 10 may further include an insulating bushing 710, the insulating bushing 710 is sleeved on an outer wall of the harness terminal 300, and the insulating bushing 710 is located between the harness terminal 300 and the charging dock body 100 to limit the harness terminal 300. Further, this charging seat 10 can also include the sealed 720 and back lid 730 of cable, the sealed 720 lid of cable is located the tip of insulating bush 710, lid 730 joint or spiro union are on the second end 102 of charging seat main part 100 after again, in order to compress tightly the sealed 720 of cable, thereby avoid pencil end terminal 300 to remove toward the second end 102 direction of charging seat main part 100, and, the sealed 720 second end 102 of charging seat main part 100 that seals of cable, play waterproof dirt-proof effect, protect this charging seat 10. It can be understood that the rear cover 730, the cable gasket 720 and the insulating bush 710 are all provided with wire passing holes for passing cables, and the cables are electrically connected with the wire harness end terminal 300.

The spring reed 400 is electrically conductive to electrically contact and connect the quick-change terminal 210 with the wire-end terminal 300. The position of spring reed 400 may be the side wall provided in mounting groove 300a, or may be the side wall provided in connection portion 212. It is understood that spring reed 400 can be strip-shaped or other shapes.

The insulation sleeve 220 has insulation performance, such as insulation plastic, and protects the quick-change terminal 210 from electric leakage and electric shock. As shown in fig. 2 to 4, since the insulation sleeve 220 is sleeved on the outer circumference of the terminal main body 211, the quick-change terminal 210 is detachably installed in the accommodating cavity 100a, the quick-change terminal assembly 200 can be detachably connected to the wire harness terminal 300, or the quick-change terminal assembly 200 can be detachably connected to the charging seat main body 100, so as to reduce the maintenance cost of the charging seat 10.

When the quick-change terminal 210 needs to be replaced, the quick-change terminal assembly 200 can be removed from the receiving cavity 100a, and the charging-stand main body 100 and other parts do not need to be replaced. By replacing the quick-change terminal assembly 200, a new quick-change terminal 210 is replaced, and the purpose of quick maintenance of the charging stand 10 is achieved.

The utility model discloses technical scheme installs in charging seat main part 100 hold chamber 100a through quick change terminal 210 detachably, and when charging seat 10's quick change terminal 210 wearing and tearing were serious or broke down, can directly pull down quick change terminal 210, and the quick change terminal 210 of renewal is maintained conveniently. Therefore, other effective parts of the charging seat 10 can be repeatedly utilized, the material waste is avoided, the service life and the utilization rate of the charging seat 10 are improved, and the maintenance cost of the charging seat 10 is reduced. And the quick-change terminal 210 is electrically contacted and connected with the harness end terminal 300 through the elastic spring 400, so that the current-carrying capacity of the quick-change terminal 210 is increased, and the contact loss is reduced.

Further, in one embodiment, as shown in fig. 4, the spring reed 400 is a spring finger extending along the circumference of the harness end terminal 300.

The spring contact finger has the advantages of simple structure, small volume, less material consumption, low cost and good wear resistance, and can transmit strong current in a small space. In addition, the spring contact fingers extend along the circumferential direction of the harness end terminal 300, contact points of the spring contact fingers with the harness end terminal 300 and the quick-change terminal 210 are increased, contact loss of current is reduced through multi-point contact, and large current-carrying capacity is guaranteed.

It should be noted that, in order to further increase the contact points between the spring contact fingers and the wire harness terminal 300 and the quick-change terminal 210, a plurality of spring contact fingers may be used, and the spring contact fingers may be arranged at intervals.

Further, the spring finger can be mounted on the side wall of the mounting groove 300a in various ways, and in one embodiment, the side wall of the mounting groove 300a is provided with a limit ring groove (not shown) for accommodating the spring finger.

The side wall of the mounting groove 300a is provided with a limiting ring groove, and the spring contact finger is placed in the limiting ring groove to limit the spring contact finger. When the spring contact finger needs to be replaced, the spring contact finger is only required to be taken out of the limiting ring groove, and a new spring contact finger is put in, so that the maintenance of the charging seat 10 is further facilitated.

Further, there are various ways in which the quick-change terminal assembly 200 is detachably connected to the harness end terminal 300, and in an embodiment, the quick-change terminal 210 is screwed or plugged with the harness end terminal 300.

An external thread may be provided on the quick-change terminal 210, and an internal thread is provided on a groove wall of the mounting groove 300a of the wire harness terminal 300; or a male plug may be arranged on the quick-change terminal 210, a female plug may be arranged on the harness end terminal 300, and the quick-change terminal 210 and the harness end terminal 300 are connected by screwing or plugging the quick-change terminal 210 and the harness end terminal 300. When the quick-change terminal 210 needs to be replaced, the quick-change terminal 210 can be quickly and conveniently separated from the wire harness terminal 300, and then a new quick-change terminal 210 is installed.

Further, there are various ways of screwing the quick-change terminal 210 to the harness end terminal 300, in an embodiment, a threaded hole is opened at the bottom of the mounting groove 300a of the harness end terminal 300, a connecting hole (not shown) is opened on the connecting portion 212, the connecting hole is provided with an internal thread, and the quick-change terminal 210 is connected to the harness end terminal 300 by a bolt 501 penetrating through the connecting hole and the threaded hole; or, as shown in fig. 2 to 4, a through hole is formed in the mounting groove 300a of the harness end terminal 300, a nut 502 is fixedly disposed in the through hole, a connecting hole is formed in the connecting portion 212, an internal thread is disposed in the connecting hole, the connecting hole is threaded with the nut 502 through a bolt 501, and the quick-change terminal 210 is connected with the harness end terminal 300.

Through the bolt 501 and the connecting hole on the connecting portion 212 and the threaded hole spiro union on the wire harness end terminal 300, or the bolt 501 and the connecting hole on the connecting portion 212 and the nut 502 spiro union on the wire harness end terminal 300, the quick-change terminal 210 is stably connected with the wire harness end terminal 300, when the charging seat 10 is prevented from being pulled out from the charging plug of the electric automobile, the quick-change terminal 210 is separated from the wire harness end terminal 300, and the service performance of the charging seat 10 is improved.

It should be noted that, as shown in fig. 3 to fig. 4, a gasket 550 may be disposed in the quick-change terminal 210, the gasket 550 is disposed through the periphery of the screw rod of the stud, the gasket 550 is located at the periphery of the connection hole, the head of the stud presses the gasket 550 on the connection hole, so as to block a gap between the connection hole and the stud, seal the connection hole, and prevent water and dust from entering the charging stand 10 from the connection hole and damaging parts of the charging stand 10, thereby further improving the service life of the charging stand 10.

In order to further prevent water and dust, in an embodiment, as shown in fig. 2 to 4, a first sealing member 510 is sleeved on an outer surface of a screw rod of the bolt 501, and when the bolt 501 is inserted into the connecting hole, the first sealing member 510 is pressed against an edge of the connecting hole and closes the connecting hole; and/or, as shown in fig. 5 to 6, a second sealing member 520 is sleeved on the outer surface of the head of the bolt 501, and the second sealing member 520 abuts against the inner wall of the terminal main body 211; and/or as shown in fig. 7 to 8, a third sealing element 530 is fixedly arranged on the outer surface of the screw rod of the bolt 501, and the third sealing element 530 abuts against the hole wall of the connecting hole.

Through establish first sealing member 510 on the surface of the screw rod at bolt 501, when bolt 501 worn to locate the connecting hole, the head of bolt 501 was with the crimping of first sealing member 510 at the edge of connecting hole to, first sealing member 510 seals the gap between bolt 501 and the connecting hole, and then avoids water and dust to get into in the charging seat 10 from the connecting hole. And/or, the outer surface of the head of the bolt 501 is sleeved with a second sealing member 520, when the bolt 501 is screwed with the connecting part 212, the outer peripheral surface of the second sealing member 520 is abutted against the inner wall of the terminal main body 211, and the inner peripheral surface of the second sealing member 520 can be abutted against the outer surface of the head of the bolt 501, so that the connecting hole is further sealed, and water and dust are prevented from entering the charging seat 10 from the connecting hole. And/or, through the third sealing member 530 is established to the cover on the surface of the screw rod of bolt 501, when bolt 501 and connecting portion 212 spiro union, third sealing member 530 and the pore wall butt of connecting hole seal the connecting hole, avoid water and dust to get into in the charging seat 10 from the connecting hole. It should be noted that the first seal 510 and the second seal 520 are made of a material having a waterproof effect, such as waterproof plastic.

Further, in an embodiment, as shown in fig. 2 and fig. 5, the charging seat 10 further includes a partition 600 disposed in the accommodating cavity 100a, the partition 600 is provided with a limiting hole (not shown), and the terminal body 211 is limited in the limiting hole.

Specifically, the partition 600 and the charging seat body 100 may be disposed axially perpendicular to each other to facilitate the installation of the quick-change terminal 210. The limiting hole in the partition 600 may be a flat circular hole, and the quick-change terminal 210 is provided with a corresponding clamping point, so that the quick-change terminal 210 is limited by the limiting hole, and the quick-change terminal 210 is prevented from rotating. It should be noted that the partition plate 600 and the charging seat main body 100 may be integrally formed or may be separately disposed, and the partition plate 600 is fixed in the charging seat main body 100 by being fastened or screwed.

And, the aperture of spacing hole and the connecting portion 212 outer peripheral edge cross section size of quick change terminal 210 can the phase-match, and spacing hole is used for spacing quick change terminal 210, makes quick change terminal 210 be located the assigned position of baffle 600, makes things convenient for quick change terminal 210 and pencil end terminal 300 to be connected counterpointed.

Further, in an embodiment, as shown in fig. 3 to 4, a fourth sealing member 540 is sleeved on an outer surface of the terminal main body 211, and the fourth sealing member 540 abuts against a hole wall of the limiting hole.

Because the fourth sealing element 540 is abutted against the hole wall of the limiting hole, the gap between the partition board 600 and the quick-change terminal 210 is sealed, and water and dust are prevented from entering the charging seat 10 from the limiting hole. A sealing groove may be formed in the outer surface of the terminal body 211, the fourth sealing element 540 is disposed in the sealing groove, and when the quick-change terminal 210 is inserted into the limiting hole, the fourth sealing element 540 abuts against the hole wall of the limiting hole. It is understood that the fourth sealing member 540 is also a material having a waterproof effect, such as waterproof plastic.

Further, in an embodiment, as shown in fig. 1 to 6, the charging seat 10 further includes an insulating sleeve 220, and the insulating sleeve 220 is sleeved on the outer circumference of the terminal main body 211; the charging seat body 100 has a first end 101 connected to a load, a receiving groove (not shown) is formed in a surface of the partition board 600 facing the first end 101, the groove bottom of the receiving groove is provided with the limiting hole, and when the quick-change terminal 210 is inserted into the limiting hole, the insulating sleeve 220 is in interference fit with the groove wall of the receiving groove.

Because the periphery of the terminal main body 211 is located to the insulating cover 220 cover, through the slot wall interference fit of insulating cover 220 and storage tank, further be fixed in the charging seat main body 100 with quick change terminal 210 in, be difficult to with charging seat main body 100 or the separation of pencil end terminal 300, further improve this charging seat 10's performance.

Further, in an embodiment, as shown in fig. 1 to 6, a protrusion (not shown) is disposed on an outer side wall of the harness end terminal 300, the charging seat main body 100 has a first end 101 connected to a load, a receiving groove (not shown) for receiving the protrusion is disposed on a surface of the partition plate 600 facing away from the first end 101, the limiting hole is disposed on a groove bottom of the receiving groove, and the harness end terminal 300 is limited from moving toward the first end 101 by the receiving groove abutting against the protrusion.

When the first end 101 of the wire harness terminal 300 box moves, the groove bottom of the accommodating groove is abutted to the protrusion of the wire harness terminal 300, so that the movement of the wire harness terminal 300 is limited, and the wire harness terminal 300 cannot be pulled out or fall out of the limiting hole.

Of course, the harness terminal 300 and the partition 600 may be connected by a screw connection, or the side wall of the harness terminal 300 and the charging base main body 100 may be provided with mounting holes, which are provided with internal threads and inserted into the mounting holes by screws to fix the harness terminal 300 and the charging base main body 100.

Further, in one embodiment, the insulating sleeve 220 is detachably connected to the terminal body 211.

Specifically, there are various detachable connection manners of the insulating sleeve 220 and the terminal body 211, and the insulating sleeve 220 may be clamped with the terminal body 211, as shown in fig. 3, a buckle 211a is disposed on an outer wall of the terminal body 211, a clamping hole 220a matching with the buckle 211a is disposed on the insulating sleeve 220, or a buckle is disposed on the insulating sleeve 220, and a clamping hole is disposed on the terminal body 211. The insulating sleeve 220 may be screwed to the terminal body 211, threaded holes may be formed in the insulating sleeve 220 and the terminal body 211, and screws may be inserted into the threaded holes to fix the insulating sleeve 220 to the terminal body 211.

Because the insulation sleeve 220 is detachably connected with the terminal main body 211, when the quick-change terminal 210 needs to be replaced, the quick-change terminal 210 is taken down from the charging seat main body 100 or the wire harness terminal 300, and then the insulation sleeve 220 is separated from the quick-change terminal 210, so that only the new quick-change terminal 210 needs to be replaced, the insulation sleeve 220 is repeatedly used, the material waste is further avoided, the maintenance cost of the charging seat 10 is reduced, and the utilization rate of the charging seat 10 is improved.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A charging stand, comprising:

a charging seat main body (100) having an accommodation chamber (100 a);

the quick-change terminal (210) is detachably mounted in the accommodating cavity (100a), and the quick-change terminal (210) comprises a terminal body (211) and a connecting part (212) convexly arranged at one end of the terminal body (211);

the cable harness end terminal (300) is fixedly arranged in the accommodating cavity (100a), the cable harness end terminal (300) is provided with an installation groove (300a) for accommodating the connecting part (212), the side wall of the installation groove (300a) or the outer side wall of the connecting part (212) is provided with an elastic reed (400), and the cable harness end terminal (300) is electrically connected with the quick-change terminal (210) through the elastic reed (400).

2. The charging stand according to claim 1, wherein the elastic spring pieces (400) are spring contact fingers extending along a circumferential direction of the harness end terminals (300).

3. The charging stand according to claim 2, wherein the side wall of the mounting groove (300a) is provided with a limit ring groove for accommodating the spring contact finger.

4. A charging stand according to claim 3, characterized in that the quick-change terminal (210) is screwed or plugged with the harness end terminal (300).

5. The charging stand according to claim 4, wherein a threaded hole is opened at the bottom of the mounting groove (300a) of the harness end terminal (300), a connecting hole is opened at the connecting portion (212), the connecting hole is provided with an internal thread, and the quick-change terminal (210) is connected with the harness end terminal (300) by a bolt (501) passing through the connecting hole and the threaded hole; alternatively, the first and second electrodes may be,

the mounting groove (300a) of the wire harness end terminal (300) is provided with a through hole, a nut (502) is fixedly arranged in the through hole, a connecting hole is formed in the connecting portion (212), an internal thread is arranged in the connecting hole, the connecting hole is penetrated through by a bolt (501) and is in threaded connection with the nut (502), and the quick-change terminal (210) is connected with the wire harness end terminal (300).

6. The charging stand according to claim 5, wherein a first sealing element (510) is sleeved on the outer surface of the screw rod of the bolt (501), and when the bolt (501) is inserted into the connecting hole, the first sealing element (510) is pressed on the edge of the connecting hole and seals the connecting hole; and/or the presence of a gas in the gas,

the outer surface of the head of the bolt (501) is sleeved with a second sealing element (520), and the second sealing element (520) is abutted against the inner wall of the terminal main body (211); and/or the presence of a gas in the gas,

and a third sealing element (530) is fixedly arranged on the outer surface of the screw rod of the bolt (501), and the third sealing element (530) is abutted against the hole wall of the connecting hole.

7. The charging stand according to any one of claims 1 to 6, wherein the charging stand (10) further comprises a partition plate (600) disposed in the accommodating cavity (100a), the partition plate (600) is provided with a limiting hole, and the terminal body (211) is limited in the limiting hole.

8. The charging stand according to claim 7, wherein a fourth sealing member (540) is sleeved on the outer surface of the terminal main body (211), and the fourth sealing member (540) is abutted against the hole wall of the limiting hole.

9. The charging stand according to claim 7, wherein the charging stand (10) further comprises an insulating sleeve (220), the insulating sleeve (220) is sleeved on the periphery of the terminal main body (211); the charging seat main body (100) is provided with a first end (101) connected with a load, the partition plate (600) faces one side of the first end (101) and is provided with a containing groove, the groove bottom of the containing groove is provided with a limiting hole, and when the quick-change terminal (210) is inserted into the limiting hole, the insulating sleeve (220) is in interference fit with the groove wall of the containing groove.

10. The charging dock of claim 7, wherein the outer sidewall of the harness end terminal (300) is provided with a protrusion, the charging dock body (100) has a first end (101) connected to a load, a receiving groove for receiving the protrusion is provided on a surface of the partition plate (600) facing away from the first end (101), the bottom of the receiving groove is provided with the limiting hole, and the harness end terminal (300) is limited from moving toward the first end (101) by the receiving groove abutting against the protrusion.