CN219801396U - Charging stand - Google Patents

Abstract

The utility model discloses a charging seat, which comprises a shell and a terminal assembly, wherein the shell is provided with a fourth cavity for accommodating the terminal assembly, and the charging seat further comprises: a first locking structure located in the fourth cavity for once locking the terminal assembly; a circuit board having a first through hole allowing the terminal assembly to pass therethrough; the socket is used for plugging the connector, is fixed on the circuit board and is provided with a second fixing part; the push rod is provided with a first fixing part which is matched with the second fixing part, and the push rod is fixed on the socket; the push rod is suitable for driving the socket and the circuit board to move, so that the circuit board is abutted against the terminal assembly to secondarily lock the terminal assembly. This charging seat sets up simple structure cooperation and realizes the secondary locking to the terminal on original part, has replaced the function of current terminal clamp plate, and the locking reliability is high.

Description

Charging stand

Technical Field

The utility model relates to the technical field of charging sockets, in particular to a charging socket.

Background

In the prior art, a new energy automobile is provided with a charging seat matched with a charging gun so as to charge a vehicle-mounted battery. In order to prevent the charging terminal in the charging stand from being ejected by the charging gun, the charging terminal needs to be locked in the charging stand by using a locking structure, and a pressing plate is usually arranged on the charging terminal to lock the charging terminal, but in the actual use process, the charging terminal is easy to forget to be locked by the terminal pressing plate, and once the pressing plate is damaged, the reliability of locking cannot be ensured, so that the pressing plate is unlocked accidentally.

Therefore, it is necessary to provide a new charging stand to solve the above-mentioned problems.

Disclosure of Invention

The utility model provides a charging seat capable of simply and reliably locking a charging terminal.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cradle comprising a housing and a terminal assembly, the housing having a fourth cavity that accommodates the terminal assembly, the cradle further comprising:

a first locking structure located within the fourth cavity for locking the terminal assembly once;

a circuit board having a first through hole allowing the terminal assembly to pass therethrough;

the socket is used for plugging the connector, is fixed on the circuit board and is provided with a second fixing part;

the push rod is provided with a first fixing part, the first fixing part is matched with the second fixing part, and the push rod is fixed to the socket;

the push rod is suitable for driving the socket and the circuit board to move, so that the circuit board is abutted against the terminal assembly to lock the terminal assembly secondarily.

As a further improved technical solution of the present utility model, the first locking structure includes a first locking portion located in the fourth cavity and a second locking portion of the terminal assembly, the first locking portion protrudes inward from the fourth cavity, the second locking portion protrudes outward from the terminal assembly and extends in a direction opposite to the insertion direction of the terminal assembly, and the second locking portion abuts against the first locking portion in the direction opposite to the insertion direction of the terminal assembly, so that the terminal assembly is in a once locked state.

According to the further improved technical scheme of the utility model, the terminal assembly comprises a charging terminal and a third locking part coated on the periphery of the charging terminal, and the circuit board is at least partially abutted against the upper surface of the third locking part, so that the terminal assembly is in a secondary locking state.

As a further improved technical scheme of the utility model, the shell is provided with a first cavity allowing the connector to pass through, a second cavity containing the socket and a third cavity containing the circuit board, the first cavity and the third cavity are respectively communicated with the second cavity, the first cavity is positioned above the second cavity, the socket can move in the second cavity, and the circuit board can move in the third cavity.

As a further improved technical scheme of the utility model, the socket is provided with a first position and a second position in the second cavity, and when the socket is positioned at the second position, the terminal assembly is in a secondary locking state.

As a further improved technical scheme of the utility model, the socket is provided with a slot, and when the socket is positioned at the second position, the projection of the slot in the axial direction is positioned in the outer contour of the first cavity;

when the socket is located at the first position, the projection of the slot in the axial direction is not overlapped with the first cavity at least partially.

As a further improved technical scheme of the utility model, the socket is provided with a pin header arranged in the slot, the circuit board is provided with a second through hole, and the pin header is vertically erected in the slot and at least partially positioned in the second through hole.

As a further improved technical scheme of the utility model, the shell is provided with a fifth cavity, a third limiting part is arranged in the fifth cavity, the push rod is provided with a first limiting part and a second limiting part, the socket is positioned at the first position when the third limiting part is matched with the first limiting part, and the socket is positioned at the second position when the third limiting part is matched with the second limiting part.

As a further improved technical scheme of the utility model, the push rod is provided with a ring groove, and the ring groove is sleeved with a waterproof ring.

As a further improved technical scheme of the utility model, the charging seat further comprises a cable and a clamping piece, the charging terminal comprises a wiring part, the wiring part is used for fixing the connecting cable, and the clamping piece is fixedly sleeved on the periphery of the shell, close to one end of the cable, of the fourth cavity.

Compared with the prior art, the charging seat has the beneficial effects that: providing a first locking structure between the housing and the terminal assembly to lock the terminal at a time; the circuit board, the socket and the push rod move in the shell in a matched manner to a set position so as to secondarily lock the terminal; the terminal is radially limited in the fourth cavity, primary locking and secondary locking are respectively limited in the positive and negative directions of the axial direction of the terminal, the omnibearing locking of the terminal is realized, the terminal is not easy to unlock accidentally, and the reliability of the locking of the terminal is ensured. This charging seat sets up simple structure cooperation on original spare part and realizes the secondary locking to the terminal, has replaced the function of current terminal clamp plate, and need not to increase other parts to the cost is reduced, and locking and the unblock easy operation of terminal need not to judge easily whether the terminal accomplishes the secondary locking with the help of special instrument.

Drawings

Fig. 1 is a schematic perspective view of a charging stand according to an embodiment of the utility model;

FIG. 2 is a schematic top view of a charging stand in a primary locked state according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of FIG. 2 along the direction A-A;

FIG. 4 is a schematic cross-sectional view of FIG. 2 along the direction B-B;

FIG. 5 is an enlarged schematic view of the area A in FIG. 4;

FIG. 6 is a schematic cross-sectional view of a charging stand in a primary locked state according to an embodiment of the present utility model;

FIG. 7 is a schematic top view of a charging stand in a secondary locked state according to an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view of FIG. 7 along the direction C-C;

FIG. 9 is a schematic cross-sectional view of a charging stand in a secondary locking state according to an embodiment of the present utility model;

FIG. 10 is an enlarged schematic view of the area B in FIG. 9;

FIG. 11 is a schematic perspective view of a housing according to an embodiment of the utility model;

FIG. 12 is a schematic view of the explosive structure of FIG. 11;

FIG. 13 is a schematic view of a cut-away structure of a housing according to an embodiment of the present utility model;

FIG. 14 is a schematic perspective view of a housing according to an embodiment of the utility model;

FIG. 15 is a schematic view of a first housing according to an embodiment of the present utility model;

FIG. 16 is an enlarged schematic view of the area C in FIG. 15;

FIG. 17 is a schematic view illustrating an assembly of a first housing and a pushrod according to an embodiment of the utility model;

FIG. 18 is an enlarged schematic view of the area D in FIG. 17;

FIG. 19 is a schematic view illustrating an assembly of a first housing and a pushrod according to an embodiment of the utility model;

FIG. 20 is an enlarged schematic view of the area E in FIG. 19;

FIG. 21 is a schematic view showing a sectional structure of a first housing and a push rod according to an embodiment of the present utility model;

FIG. 22 is a schematic diagram illustrating the assembly of a circuit board, a socket, and a pushrod according to an embodiment of the utility model;

FIG. 23 is a schematic diagram illustrating the assembly of a circuit board, a socket, and a pushrod according to an embodiment of the utility model;

fig. 24 is a schematic perspective view of a terminal assembly according to an embodiment of the present utility model;

fig. 25 is a schematic perspective view of a charging stand according to an embodiment of the utility model;

fig. 26 is a schematic sectional view of a charging stand according to an embodiment of the utility model.

Detailed Description

Exemplary embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. If there are several specific embodiments, the features in these embodiments can be combined with each other without conflict. When the description refers to the accompanying drawings, the same numbers in different drawings denote the same or similar elements, unless otherwise specified. What is described in the following exemplary embodiments does not represent all embodiments consistent with the utility model; rather, they are merely examples of apparatus, articles, and/or methods that are consistent with aspects of the utility model as set forth in the claims.

The terminology used in the present utility model is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present utility model. As used in the specification and claims of the present utility model, the singular forms "a," "an," or "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that words such as "first," "second," and the like, used in the description and in the claims of the present utility model, do not denote any order, quantity, or importance, but rather are names used to distinguish one feature from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "rear," "upper," "lower," and the like are used herein for convenience of description and are not limited to a particular location or to a spatial orientation. The word "comprising" or "comprises", and the like, is an open-ended expression, meaning that elements appearing before "comprising" or "including", encompass the elements appearing after "comprising" or "including", and equivalents thereof, and not exclude that elements appearing before "comprising" or "including", may also include other elements.

In the present utility model, if a plurality of the above-mentioned components are present, the meaning of the above-mentioned components is two or more.

Referring to fig. 1 to 26, an embodiment of the present utility model discloses a charging stand, which includes a housing 10, a terminal assembly 20 installed in the housing 10, a circuit board 30, a socket 40, and a push rod 50, wherein the socket 40 and the push rod 50 are directly or indirectly fixed to the circuit board 30, and the socket 40 is adapted to be plugged into a connector 300.

For convenience of description of the embodiments of the present utility model, a first direction and a second direction are set to assist in description, where D1 represents the first direction and D2 represents the second direction in the drawings.

Referring to fig. 11 and 12, the housing 10 includes a first housing 11 and a second housing 12, and the second housing 12 is fixed above the first housing 11. In this embodiment, the first housing 11 is provided with a third fixing portion 111, the second housing 12 is correspondingly provided with a fourth fixing portion 121, the fourth fixing portion 121 is matched with the third fixing portion 111, and the second housing 12 is buckled on the first housing 11; in other embodiments, the first housing 11 is provided with a fastening hole structure, and the second housing 12 is provided with a fastening structure, which are fastened and fixed in the same way; of course, the first housing 11 and the second housing 12 may be fixed to each other by other conventional fixing methods. Further, the second housing 12 further includes a first extension portion 122, the first extension portion 122 extends from an edge of the second housing 12 toward the first housing 11 and is attached to an outer wall of the first housing 11, and the fourth fixing portion 121 is located on the first extension portion 122.

Referring to fig. 11 to 13, after the first housing 11 and the second housing 12 are fixedly installed, the housing 10 has a first cavity 110, a second cavity 120, a third cavity 130, a fourth cavity 140 and a fifth cavity 150. The first cavity 110 communicates with the outside, the second cavity 120 communicates with the first cavity 110, the third cavity 130 communicates with the second cavity 120, the fourth cavity 140 communicates with the third cavity 130, and the fifth cavity 150 communicates with the third cavity 130 and with the outside. The first cavity 110 is adapted to receive the connector 300, the second cavity 120 is adapted to receive the socket 40, the third cavity 130 is adapted to receive the circuit board 30, the fourth cavity 140 is adapted to receive the terminal assembly 20, and the fifth cavity 150 is adapted to receive the push rod 50. Specifically, the terminal assembly 20 may be movable and fixed within the fourth cavity 140; the push rod 50 is movable and fixed in the fifth cavity 150; the socket 40 is movable and fixed within the second cavity 120; the circuit board 30 is movable and fixed in the third cavity 130; the connector 300 may be movable and fixed in the first cavity 110. The first cavity 110 is located above the second cavity 120, and the projection of the first cavity 110 in the axial direction is located within the outer contour of the second cavity 120. Further, the width of the second cavity 120 in the first direction is greater than the width of the first cavity 110 in the first direction; the fourth cavity 140 extends in the second direction; the first direction is perpendicular to the second direction.

Referring to fig. 3, 6 and 24, the terminal assembly 20 includes a charging terminal 21, a third locking portion 23 surrounding the charging terminal 21, and a second locking portion 22. The charging terminal 21 further includes a wiring portion 211, the wiring portion 211 being adapted to fix the connection cable 62; specifically, after the cable 62 is placed inside the connection portion 211, the movable portion of the connection portion 211 is pressed and coated outside the cable 62; further, at least part of the outer side of the connection part 211 connected with the cable 62 is wrapped with the reinforcing unit 24, and the reinforcing unit 24 is adapted to reinforce the fixed connection of the cable 62 with the charging terminal 21, and at the same time, can also play a role in waterproofing. The second lock portion 22 protrudes radially outward from the terminal assembly 20 and is provided at an end of the charging terminal 21 remote from the wire connection portion 211, and the second lock portion 22 protrudes outward from the charging terminal 21 and extends in an opposite direction to the insertion direction of the terminal assembly 20. The third locking portion 23 is located at a side of the circuit board 30 adjacent to the second locking portion 22.

Referring to fig. 4, 5 and 14, a recessed groove 142 is formed in the fourth cavity 140, and the groove 142 is located at a portion of the fourth cavity 140 in the first housing 11. The fourth cavity 140 is further provided with a first locking portion 141, the first locking portion 141 protrudes inwards from the fourth cavity 140, further, the first locking portion 141 is located at the groove portion 142 and protrudes inwards in the radial direction from the groove portion 142, and the first locking portion 141 is located at one end of the groove portion 142 away from the second housing 12; the second locking portion 22 corresponds in position to the first locking portion 141 in the fourth cavity 140, and the first locking portion 141 cooperates with the second locking portion 22. Specifically, the second lock portion 22 and the charging terminal 21 are made of the same material and are integrally formed, and the second lock portion 22 is an elastic metal sheet; the first lock portion 141 extends obliquely from the groove portion 142 toward the insertion direction of the terminal assembly 20 and radially inward, and extends to the groove portion 142 from a radially innermost point; during the process of inserting the terminal assembly 20 into the fourth cavity 140, the second lock portion 22 slides along the groove portion 142 and slides obliquely at the first lock portion 141, and is elastically pressed to rebound and contact with one end of the first lock portion 141 away from the circuit board 30, i.e. the second lock portion 22 contacts the first lock portion 141 in the opposite direction of inserting the terminal assembly 20, so that the terminal assembly 20 is in a primary locking state, and at this time, the terminal assembly 20 is locked in the opposite direction of inserting.

Referring to fig. 3, 6, 8 and 9, the fourth cavity 140 includes an upper cavity portion 140a located at one side of the circuit board 30 in the second direction and a lower cavity portion 140b located at the other side of the circuit board 30 in the second direction, wherein the first, second and third locking portions 141, 22 and 23 are located at the lower cavity portion 140b, and the connection portion 211 and the reinforcement unit 24 are located at the upper cavity portion 140a.

In this embodiment, the second locking portion 22 of the terminal assembly 20 and the first locking portion 141 in the fourth cavity 140 form a first locking structure, and the first locking structure is located in the fourth cavity 140 and is suitable for locking the terminal assembly 20 once.

In this embodiment, the charging stand further includes a fourth lock portion at least partially located in the second cavity 120 and the third cavity 130 and movable in the first direction, and the fourth lock portion is engaged with the third lock portion 23.

In some embodiments, the fourth lock portion includes the circuit board 30, the socket 40 fixed to the circuit board 30, and the push rod 50, the push rod 50 being directly or indirectly fixed to the circuit board 30. Specifically, the circuit board 30, the socket 40, and the push rod 50 are fixed.

Referring to fig. 22 and 23, the circuit board 30 has a first through hole 31 for allowing the terminal assembly 20 to pass through, a heat-conducting adhesive 33 and a protective sleeve 34 are further mounted on the circuit board 30, the heat-conducting adhesive 33 is attached to the circuit board 30, and the protective sleeve 34 is sleeved on the periphery of the heat-conducting adhesive 33. The circuit board 30 is provided with a fourth through hole 35 for installing the heat conducting glue 33 and a fifth through hole 36 for installing the protective sleeve 34, the heat conducting glue 33 is at least partially positioned in the fourth through hole 35, and the protective sleeve 34 is at least partially positioned in the fifth through hole 36; further, the heat conductive adhesive 33 and the protective sleeve 34 are at least partially located on one side of the circuit board 30 and at least partially extend to the other side of the circuit board 30, and the heat conductive adhesive 33 and the protective sleeve 34 are fixed on the circuit board 30 by soldering at the fourth through hole 35 and the fifth through hole 36. In other embodiments, the heat conductive paste 33 and the protective case 34 do not extend to the other side of the circuit board 30, and their ends are respectively located in the fourth through hole 35 and the protective case 36. Further, the first through hole 31 is located between the upper chamber portion 140a and the lower chamber portion 140b and communicates the upper chamber portion 140a and the lower chamber portion 140b.

Referring to fig. 22 and 23, the circuit board 30 is further provided with a plurality of sixth through holes 37 adapted to fit the circuit board 30 in the housing 10.

Referring to fig. 8, 22 and 23, the circuit board 30, the socket 40 and the push rod 50 are relatively fixed, the socket 40 is fixed on the circuit board 30, and the push rod 50 is fixed on the socket 40. The socket 40 is provided with a second fixing portion 42, a slot 41 and a pin 43, the pin 43 is vertically arranged in the slot 41 and extends to the other side of the circuit board 30 opposite to the slot 41, the circuit board 30 is correspondingly provided with a second through hole 32, the pin 43 is at least partially positioned in the second through hole 32, and the socket 40 is fixed on the circuit board 30 by welding at the second through hole 32. In other embodiments, the pins 43 do not extend to the other side of the circuit board 30, and their ends are located in the second through holes 32. The second fixing portion 42 protrudes from one surface of the socket 40, which is close to the circuit board 30, and extends to the other side of the circuit board 30, and the push rod 50 is correspondingly provided with a first fixing portion 53, where the first fixing portion 53 is matched with the second fixing portion 42, and the second fixing portion 42 is at least partially located in the first fixing portion 53, so that the push rod 50 is fixed to the socket 40. The push rod 50 is adapted to drive the socket 40 and the circuit board 30 to move in the first direction in the housing 10, when the circuit board 30 abuts against the upper surface of the third locking portion 23 of the terminal assembly 20, the terminal assembly 20 is in the secondary locking state, and the terminal assembly 20 is locked in the insertion direction.

In some embodiments, referring to fig. 22 and 23, the push rod 50 has a concave mating portion 55, such that the end of the push rod 50 on the outside is relatively convex, facilitating operation of the push rod 50.

In some embodiments, referring to fig. 16 to 20, a notch 152 is further disposed at an end of the fifth cavity 150 that is in communication with the outside, and the cover notch 152 is disposed in cooperation with the mating portion 55 to facilitate the operation of the push rod 50 by a person.

Specifically, the receptacle 40 has a first position 401 and a second position 402 in the second cavity 120. When the terminal assembly 20 is inserted and the socket 40 is located at the first position 401, the terminal assembly 20 is in a once-locked state; when the terminal assembly 20 is inserted and the receptacle 40 is in the second position 402, the terminal assembly 20 is in the secondary lock state.

Referring to fig. 3 and 8, when the socket 40 is located in the first position 401, the projection of the slot 41 in the axial direction is at least partially not overlapped with the first cavity 110, so that the connector 300 cannot be plugged into the socket 40; when the socket 40 is in the second position 402, the projection of the slot 41 in the axial direction is located within the outer contour of the first cavity 110, thereby enabling the connector 300 to be plugged with the socket 40. In this embodiment, the axial direction is the second direction.

Referring to fig. 15 to 20, a third limiting portion 151 is disposed in the fifth cavity 150, the push rod 50 is correspondingly provided with a first limiting portion 51 and a second limiting portion 52, and the third limiting portion 151 can be respectively adapted to the first limiting portion 51 and the second limiting portion 52. When the third limiting part 151 is matched with the first limiting part 51, the socket 40 is positioned at the first position 401, and the central line of the slot 41 is not coincident with the central line of the first cavity 110 in the first direction; when the third limiting portion 151 is engaged with the second limiting portion 52, the socket 40 is located at the second position 402, and in the first direction, the center line of the slot 41 coincides with the center line of the first cavity 110, and the circuit board 30 is at least partially attached to the third locking portion 23 in the second direction. In this embodiment, the third limiting portion 151 is convex, the first limiting portion 51 and the second limiting portion 52 are groove-shaped, and in other embodiments, the third limiting portion 151, the first limiting portion 51 and the second limiting portion 52 may be engaged with each other by using other common structures.

In this embodiment, the fourth locking portion and the third locking portion 23 of the terminal assembly 20 form a second locking structure, which is suitable for secondary locking of the terminal assembly 20.

Referring to fig. 2 to 6, the terminal assembly 20 is in a primary locking state, at this time, the terminal assembly 20 is inserted into the fourth cavity 140, the second locking portion 22 abuts against the first locking portion 141, the socket 40 is located at the first position 401, and the third limiting portion 151 is matched with the first limiting portion 51. I.e., without pushing the push rod 50, once locking is completed when the terminal assembly 20 is inserted and cannot be pulled out.

Referring to fig. 7-10, the terminal assembly 20 is in a secondary locking state. Under the condition that the terminal assembly 20 is locked once, the push rod 50 is pushed to drive the socket 40 and the circuit board 30 to move, the second limiting part 52 moves to the original position of the first limiting part 51, so that the third limiting part 151 is matched with the second limiting part 52, meanwhile, the socket 40 moves from the first position 401 to the second position 402, at this time, the lower surface of the circuit board 30 abuts against the upper surface of the third locking part 23, the terminal assembly 20 cannot move towards the inserting direction any more, and secondary locking is completed.

In the present embodiment, the primary locking and the secondary locking of the terminal assembly 20 are respectively in the forward and reverse directions on the same axis, and the terminal assembly 20 is located in the fourth cavity 140 to be immovable radially, so that the terminal assembly 20 is locked reliably.

Further, referring to fig. 21 to 23, the push rod 50 is further provided with a ring groove 54, and a waterproof ring 61 is sleeved on the periphery of the ring groove 54 to play a waterproof role at the push rod 50.

Referring to fig. 25 and 26, after the terminal assembly 20 is locked twice, the socket 40 is located at the second position 402, and the connector 300 can be inserted into the socket 40, and the connector 300 is inserted from the first cavity 110 and fixedly connected with the socket 40. In actual operation, whether the connector 300 can be inserted into connection with the socket 40 may determine whether the circuit board 30 abuts the third lock portion 23, i.e., whether the terminal assembly 20 completes the secondary locking.

Referring to fig. 25 and 26, the charging stand of the present embodiment further includes a clamping member 70, and the clamping member 70 is fixedly sleeved on the outer periphery of the housing 10 at one end of the fourth cavity 140 near the cable 62. The clamping member 70 includes a sixth fixing portion 71 and a third through hole 72, the clamping member 70 being fixed to an end of the second housing 12 remote from the first housing 11, the third through hole 72 allowing the cable 62 to pass therethrough; the second casing 12 is correspondingly provided with a fifth fixing part 123, the sixth fixing part 71 is matched with the fifth fixing part 123, and the clamping piece 70 is buckled on the second casing 12; in other embodiments, the second housing 12 is provided with a fastening hole structure, and the fastening member 70 is provided with a fastening structure, and the fastening structure are fastened and fixed; of course, the second housing 12 and the clamping member 70 may be fixed to each other by other conventional fixing methods. Further, the clamping member 70 further includes a second extension portion 73, the second extension portion 73 extends from an edge of the clamping member 70 toward the second housing 12 and is attached to an outer wall of the second housing 12, and the sixth fixing portion 71 is located on the second extension portion 73.

Further, as shown in fig. 6, 9, 11 and 25, the connector 300 is inserted from above the second housing 12, the first cavity 110 is provided with a first limiting member 124, the outer side of the first cavity 110 of the second housing 12 is provided with a second limiting member 125, the first limiting member 124 and the second limiting member 125 are used for limiting the state of the connector 300 when being inserted, the connector 300 is provided with a first coordination portion (not shown) corresponding to the first limiting member 124, the connector 300 is provided with a second coordination portion 301 corresponding to the second limiting member 125, and the second coordination portion 301 is matched with the second limiting member 125.

In summary, compared with the prior art, the charging stand of the present utility model has the following advantages: a first locking structure is provided between the housing 10 and the terminal assembly 20 to lock the terminal at a time; the circuit board 30, the socket 40 and the push rod 50 move in cooperation within the housing 10 to a set position to secondarily lock the terminals; the terminal is radially limited in the fourth cavity 140, and the primary locking and the secondary locking are respectively limited in the positive and negative directions of the axial direction of the terminal, so that the terminal is locked in all directions and is not easy to unlock accidentally, and the reliability of the terminal locking is ensured. This charging seat sets up simple structure cooperation on original spare part and realizes the secondary locking to the terminal, has replaced the function of current terminal clamp plate, and need not to increase other parts to the cost is reduced, and locking and the unblock easy operation of terminal need not to judge easily whether the terminal accomplishes the secondary locking with the help of special instrument.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and it should be understood that the present utility model should be based on those skilled in the art, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the present utility model without departing from the spirit and scope of the present utility model and modifications thereof should be covered by the scope of the claims of the present utility model.

Claims (10)

1. A charging cradle comprising a housing (10) and a terminal assembly (20), the housing (10) having a fourth cavity (140) accommodating the terminal assembly (20), characterized in that the charging cradle further comprises:

a first locking structure within the fourth cavity (140) for locking the terminal assembly (20) at one time;

a circuit board (30) having a first through hole (31) allowing the terminal assembly (20) to pass therethrough;

a socket (40) for plugging a connector (300), the socket (40) being fixed to the circuit board (30), the socket (40) being provided with a second fixing portion (42);

a push rod (50), wherein the push rod (50) is provided with a first fixing part (53), the first fixing part (53) is matched with the second fixing part (42), and the push rod (50) is fixed on the socket (40);

the push rod (50) is suitable for driving the socket (40) and the circuit board (30) to move, so that the circuit board (30) abuts against the terminal assembly (20) to secondarily lock the terminal assembly (20).

2. The cradle of claim 1, wherein: the first locking structure comprises a first locking part (141) located in the fourth cavity (140) and a second locking part (22) of the terminal assembly (20), the first locking part (141) protrudes inwards from the fourth cavity (140), the second locking part (22) protrudes outwards from the terminal assembly (20) and extends along the opposite direction of the insertion of the terminal assembly (20), and the second locking part (22) abuts against the first locking part (141) in the opposite direction of the insertion of the terminal assembly (20) so that the terminal assembly (20) is in a once locking state.

3. The cradle of claim 1, wherein: the terminal assembly (20) comprises a charging terminal (21) and a third lock part (23) wrapping the periphery of the charging terminal (21), and the circuit board (30) is at least partially abutted to the upper surface of the third lock part (23) so that the terminal assembly (20) is in a secondary locking state.

4. A charging stand according to claim 3, wherein: the housing (10) has a first cavity (110) allowing the connector (300) to pass through, a second cavity (120) accommodating the socket (40), and a third cavity (130) accommodating the circuit board (30), the first cavity (110) and the third cavity (130) are respectively communicated with the second cavity (120), the first cavity (110) is located above the second cavity (120), the socket (40) is movable in the second cavity (120), and the circuit board (30) is movable in the third cavity (130).

5. The cradle of claim 4, wherein: the receptacle (40) has a first position (401) and a second position (402) in the second cavity (120), the terminal assembly (20) being in a secondary locked state when the receptacle (40) is in the second position (402).

6. The cradle of claim 5, wherein: -the socket (40) has a slot (41), the projection of the slot (41) in the axial direction being located within the outer contour of the first cavity (110) when the socket (40) is located in the second position (402);

when the socket (40) is in the first position (401), the projection of the slot (41) in the axial direction is at least partially non-overlapping with the first cavity (110).

7. The cradle of claim 6, wherein: the socket (40) is provided with a pin header (43) arranged in the slot (41), the circuit board (30) is provided with a second through hole (32), and the pin header (43) is vertically erected in the slot (41) and at least partially positioned in the second through hole (32).

8. The cradle of claim 5, wherein: the shell (10) is provided with a fifth cavity (150), a third limiting part (151) is arranged in the fifth cavity (150), the push rod (50) is provided with a first limiting part (51) and a second limiting part (52), when the third limiting part (151) is matched with the first limiting part (51), the socket (40) is located at the first position (401), and when the third limiting part (151) is matched with the second limiting part (52), the socket (40) is located at the second position (401).

9. The cradle of claim 8, wherein: the push rod (50) is provided with a ring groove (54), and the ring groove (54) is sleeved with a waterproof ring (61).

10. A charging stand according to claim 3, wherein: the charging seat further comprises a cable (62) and a clamping piece (70), the charging terminal (21) comprises a wiring part (211), the wiring part (211) is fixedly connected with the cable (62), and the clamping piece (70) is fixedly sleeved on the periphery of the shell (10) of the fourth cavity (140) close to one end of the cable (62).