CN213072169U

CN213072169U - Vehicle-mounted charging device

Info

Publication number: CN213072169U
Application number: CN202021874045.9U
Authority: CN
Inventors: 孙中伟; 白炜; 胡超
Original assignee: Shenzhen Hello Tech Energy Co Ltd
Current assignee: Shenzhen Hello Tech Energy Co Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-27
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses an on-vehicle charging device, this on-vehicle charging device include female seat and the head that charges, and female seat has and holds the chamber, is equipped with first screw thread on the lateral wall that holds the chamber, and the intracavity is holding in the cooperation of the partly of head that charges, is equipped with on the lateral wall of the head that charges with first screw-thread fit's second screw thread. This on-vehicle charging device because female seat links to each other through threaded connection with the head that charges, has promoted female seat and the connection stability of the head that charges, has avoided the car to rock the phenomenon emergence that the head that charges that leads to falls out female seat with female bad contact even the head that charges.

Description

Vehicle-mounted charging device

Technical Field

The utility model relates to the field of automotive technology, especially, relate to an on-vehicle charging device.

Background

Along with the popularization of vehicles, the use of vehicle-mounted charging devices is also increasingly popularized, and the vehicle-mounted charging devices are easy to fall off or have poor contact due to shaking of the vehicles in the using process, so that the normal use of products is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-vehicle charging device, this on-vehicle charging device's stability is higher, and the reliability is better, and the shake of vehicle is less to this on-vehicle charging device's influence.

For realizing the above technical effect, the technical scheme of the utility model as follows:

the utility model discloses an on-vehicle charging device, include: the female seat is provided with an accommodating cavity, and a first thread is arranged on the side wall of the accommodating cavity; the charging head is partially matched with the accommodating cavity, and a second thread matched with the first thread is arranged on the outer side wall of the charging head.

In some embodiments, the charging head comprises: the device comprises a shell, a first fixing piece and a second fixing piece, wherein one end of the shell is provided with a stepped hole; one end of the positive contact is matched in the stepped hole, and the other end of the positive contact extends out of the shell and is stopped against the side wall of the accommodating cavity; the charging socket is matched in the shell and is arranged at intervals with the positive contact; and one end of the elastic piece abuts against the positive contact, and the other end of the elastic piece abuts against the charging socket.

In some specific embodiments, the positive contact includes a positive body and a positive protruding ring disposed around the positive body, the positive protruding ring abuts against a step surface of the stepped hole, the positive contact is provided with a fitting hole, and one end of the elastic member is fitted in the fitting hole and abuts against a bottom wall of the fitting hole.

In some specific embodiments, an end of the charging socket facing the positive contact has a fitting groove, and an end of the elastic member is clamped in the fitting groove.

In some specific embodiments, a through hole is formed on a side wall of the housing, and the charging head further includes a negative contact that is fitted in the housing, and a portion of the negative contact protrudes from the through hole and abuts against a side wall of the accommodating cavity.

In some more specific embodiments, the negative contact includes a negative body and a negative protrusion connected to an end of the negative body, the negative body fits within the through hole, and the negative protrusion stops against an inner sidewall of the housing.

In some more specific embodiments, a limiting groove is formed on a side wall of the accommodating cavity, and the negative electrode main body is fitted in the limiting groove.

In some specific embodiments, the housing includes a first shell and a second shell formed by splicing, the first shell is provided with a first half hole, the second shell is provided with a second half hole, and the first half hole and the second half hole are spliced to form the through hole.

In some more specific embodiments, one of the first shell and the second shell is provided with a clamping protrusion, and the other is provided with a clamping groove matched with the clamping protrusion.

In some more specific embodiments, the second shell has a mating step that fits within the receiving cavity.

The utility model discloses on-vehicle charging device, female seat and the head that charges link to each other through threaded connection, have promoted female seat and the connection stability of the head that charges, have avoided the car to rock the phenomenon emergence that the head that charges that leads to falls out female seat with female seat contact failure even charge the head.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is an exploded schematic view of a vehicle-mounted charging device according to an embodiment of the present invention.

Fig. 2 is a sectional view of the vehicle-mounted charging device according to the embodiment of the present invention.

Fig. 3 is a sectional view of the female housing of the vehicle-mounted charging device according to the embodiment of the present invention.

Fig. 4 is a sectional view of a charging head of the vehicle-mounted charging device according to the embodiment of the present invention.

Reference numerals:

1. a female seat; 11. an accommodating chamber; 111. a first thread; 112. a limiting groove; 2. a charging head; 201. a second thread; 21. a housing; 211. a first shell; 2111. a stepped hole; 2112. a through hole; 212. a second shell; 2121. inserting steps; 22. a positive electrode contact; 221. a positive electrode main body; 2211. a mating hole; 222. a positive electrode convex ring; 23. a charging socket; 231. a mating groove; 24. an elastic member; 25. a negative contact; 251. a negative electrode main body; 252. the negative electrode is convex.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of the vehicle-mounted charging device according to the embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, the utility model discloses an on-vehicle charging device, this on-vehicle charging device include female seat 1 and charge head 2, and female seat 1 has and holds chamber 11, is equipped with first screw thread 111 on the lateral wall that holds chamber 11, and the cooperation of a part of the head 2 that charges is in holding chamber 11, is equipped with on the lateral wall of the head 2 that charges and is equipped with the second screw thread 201 with first screw thread 111 complex.

It can be understood that, in this embodiment, female 1 and the first 2 that charges adopt the first screw thread 111 and the second screw thread 201 close soon to realize connecting, and this kind of threaded connection's mode can promote female 1 and the first 2 connection stability that charges, when female 1 links to each other with the car, even if the car goes the in-process and appears rocking, the first 2 that charges also can not rock female 1 relatively to the phenomenon that the first 2 that has avoided charging and female 1 contact failure even charges and first 2 that charges falls out female 1 takes place.

The utility model discloses on-vehicle charging device, female seat 1 and the first 2 that charge link to each other through threaded connection, have promoted female seat 1 and the connection stability of the first 2 that charges, have avoided the car to rock the phenomenon that the first 2 that charges that lead to and female seat 1 contact failure even charge first 2 and fall out female seat 1 and take place.

In some embodiments, as shown in fig. 2 and 4, the charging head 2 includes a housing 21, a positive contact 22, a charging socket 23, and an elastic member 24, one end of the housing 21 is provided with a stepped hole 2111, one end of the positive contact 22 is fitted in the stepped hole 2111, the other end of the positive contact extends out of the housing 21 and abuts against a side wall of the accommodating cavity 11, the charging socket 23 is fitted in the housing 21 and is spaced from the positive contact 22, one end of the elastic member 24 abuts against the positive contact 22, and the other end abuts against the charging socket 23. It can be understood that, the existence of elastic component 24 can realize positive contact 22 and the elastic contact who holds the chamber 11 inside wall on the one hand, when the user inserts external charging wire into the socket 23 that charges, elastic component 24 can take place the compression to promote the operation sense when the user pegs graft the charging wire, on the other hand is under elastic component 24's effect, can take place mutual extrusion between first screw thread 111 and the second screw thread 201, thereby increase the frictional force between first screw thread 111 and the second screw thread 201, the stability of being connected of charging head 2 and female seat 1 has been promoted.

In some specific embodiments, the positive contact 22 includes a positive body 221 and a positive collar 222 disposed around the positive body 221, the positive collar 222 abuts against the step surface of the stepped hole 2111, the positive contact 22 is provided with a fitting hole 2211, and one end of the elastic member 24 is fitted in the fitting hole 2211 and abuts against the bottom wall of the fitting hole 2211. It can be understood that the stop of the positive electrode tab 222 against the step surface of the stepped hole 2111 can limit one end of the positive electrode tab 222 in the stepped hole 2111, thereby preventing the positive electrode tab 222 from falling out of the housing 21. One end of the elastic element 24 is fitted in the fitting hole 2211, so that the phenomenon that the charging socket 23 or the positive contact 22 is blocked due to the fact that the elastic element 24 is inclined in the movement process of the charging socket 23 can be well avoided.

In some embodiments, as shown in fig. 2 and 4, an end of the charging socket 23 facing the positive contact 22 has a fitting groove 231, and an end of the elastic member 24 is engaged in the fitting groove 231. Therefore, the connection stability of the charging socket 23 of the elastic member 24 can be ensured, and the phenomenon that the elastic member 24 is separated from the charging socket 23 is avoided. In the present embodiment, the shape of the fitting groove 231 may be determined according to the shape of the elastic member 24, and the shape of the fitting groove 231 is not particularly limited.

In some specific embodiments, as shown in fig. 2 and 4, a through hole 2112 is formed on a side wall of the housing 21, and the charging head 2 further includes a negative contact 25, the negative contact 25 is fitted in the housing 21, and a portion of the negative contact 25 protrudes through the through hole 2112 and abuts against a side wall of the accommodating chamber 11. Therefore, the through hole 2112 can ensure that the negative contact 25 can penetrate through the shell 21 to be abutted against the side wall of the accommodating cavity 11, and can also limit the movement range of the negative contact 25 to a certain extent, so that the phenomenon of poor contact caused by shaking of the negative contact 25 is avoided. It should be additionally noted that, in the present embodiment, the shape of the through hole 2112 may be determined according to the portion of the negative contact 25 extending out of the housing 21, and the shape, size, and other parameters of the through hole 2112 are not limited herein.

In some more specific embodiments, as shown in fig. 2 and 4, the negative contact 25 includes a negative body 251 and a negative protrusion 252 connected to one end of the negative body 251, the negative body 251 is fitted in the through hole 2112, and the negative protrusion 252 is stopped against the inner side wall of the housing 21. It can be understood that the negative electrode protrusion 252 is stopped against the inner side wall of the housing 21, so that the stability of the whole negative electrode contact 25 can be ensured to a certain extent, and the phenomenon that the negative electrode contact 25 shakes to cause poor contact is avoided. The fitting of the negative body 251 in the through hole 2112 ensures the abutment of the negative contact 25 with the inner wall of the housing chamber 11.

In some more specific embodiments, as shown in fig. 2, the side wall of the accommodating chamber 11 is provided with a limiting groove 112, and the negative electrode main body 251 is fitted in the limiting groove 112. It can be understood that the additionally arranged limiting groove 112 can limit the movement space of the negative electrode protrusion 252, the negative electrode protrusion 252 and the limiting groove 112 are clamped to further improve the connection stability of the charging head 2 and the female socket 1, and further the extreme phenomenon that the charging head 2 falls off from the female socket 1 is avoided.

In some specific embodiments, as shown in fig. 4, the housing 21 includes a first housing 211 and a second housing 212 formed by splicing, a first half hole is formed on the first housing 211, a second half hole is formed on the second housing 212, and the first half hole and the second half hole are spliced to form the through hole 2112. It can be understood that, according to the foregoing description, if a portion of the negative contact 25 extends out of the through hole 2112, when the housing 21 is a whole, an external force is applied to the negative contact 25 to deform the negative contact 25 during assembly of the negative contact 25, which increases the difficulty of assembly of the negative contact 25 and increases the damage rate of the negative contact 25. In the present embodiment, the housing 21 is formed as a separate structure in which the first housing 211 and the second housing 212 are assembled, so that it is only necessary to fit the negative contact 25 into the second housing 212 and then to buckle the first housing 211 onto the second housing 212 during actual installation. Therefore, the assembly difficulty of the negative contact 25 is reduced, the damage rate of the negative contact 25 is reduced, and the assembly efficiency of the whole vehicle-mounted charging device is improved.

In some more specific embodiments, one of the first and

second cases

211 and 212 is provided with a catching protrusion, and the other is provided with a catching groove to be matched with the catching protrusion. Thus, the assembly of the first and

second cases

211 and 212 can be conveniently achieved, thereby improving the assembly efficiency of the entire vehicle-mounted charging device.

In some more specific embodiments, as shown in fig. 2, the second shell 212 has a bayonet step 2121, and the bayonet step 2121 is fitted in the accommodation chamber 11. It can be understood that the matching of the insertion step 2121 and the female socket 1 increases the contact area of the charging head 2 and the female socket 1, so as to improve the connection stability of the female socket 1 and the charging head 2 to a certain extent.

Example (b):

an on-vehicle charging device according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1-4, the utility model discloses an on-vehicle charging device includes female seat 1 and the head 2 that charges, and female seat 1 has and holds chamber 11, is equipped with first screw thread 111 and spacing groove 112 on the lateral wall that holds chamber 11. The charging head 2 includes a housing 21, a positive contact 22, a charging socket 23, an elastic member 24, and a negative contact 25. The housing 21 includes a first housing 211 and a second housing 212 formed by splicing, one end of the first housing 211 is provided with a stepped hole 2111, the other end is provided with a first half hole, and the outer side wall of the first housing 211 is provided with a second thread 201 matched with the first thread 111. One end of the second shell 212 has an insertion step 2121, the insertion step 2121 is fitted in the accommodating cavity 11, a second half hole is formed on the insertion step 2121, and the first half hole and the second half hole are spliced to form a through hole 2112.

The positive contact 22 includes a positive body 221 and a positive collar 222 disposed around the positive body 221, the positive collar 222 abuts against a step surface of the stepped hole 2111, and the positive contact 22 is provided with a fitting hole 2211. The charging socket 23 is fitted into the case 21 and spaced apart from the positive contact 22, and one end of the charging socket 23 facing the positive contact 22 has a fitting groove 231. One end of the elastic member 24 is engaged with the engagement groove 231, and the other end is engaged with the engagement hole 2211. The negative contact 25 includes a negative body 251 and a negative protrusion 252 connected to one end of the negative body 251, the negative body 251 is fitted into the through hole 2112 and extends out of the through hole 2112 to abut against the bottom wall of the stopper groove 112, and the negative protrusion 252 abuts against the inner side wall of the housing 21.

The vehicle-mounted charging device of the embodiment has the following advantages:

firstly, the method comprises the following steps: the female seat 1 is connected with the charging head 2 through threaded connection, so that the connection stability of the female seat 1 and the charging head 2 is improved, and the phenomenon that the charging head 2 is in poor contact with the female seat 1 and even the charging head 2 falls out of the female seat 1 due to the shaking of an automobile is avoided;

secondly, the method comprises the following steps: an elastic piece 24 is arranged between the positive contact 22 and the charging socket 23, so that the operation feeling of a user in plugging a charging wire is improved, the friction force between the first thread 111 and the second thread 201 is increased, and the connection stability of the charging head 2 and the female seat 1 is improved;

thirdly, the method comprises the following steps: the negative electrode main body 251 is matched in the limiting groove 112 on the side wall of the accommodating cavity 11, so that the movement space of the negative electrode bulge 252 is limited, and the extreme phenomenon that the charging head 2 falls off from the female socket 1 is prevented.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. An in-vehicle charging device characterized by comprising:

the female seat (1) is provided with an accommodating cavity (11), and a first thread (111) is arranged on the side wall of the accommodating cavity (11);

the charging head (2), a part of the charging head (2) is matched in the accommodating cavity (11), and a second thread (201) matched with the first thread (111) is arranged on the outer side wall of the charging head (2).

2. The vehicle-mounted charging device according to claim 1, wherein the charging head (2) includes:

the device comprises a shell (21), wherein one end of the shell (21) is provided with a stepped hole (2111);

the positive contact (22), one end of the positive contact (22) is fitted in the stepped hole (2111), and the other end of the positive contact extends out of the housing (21) and stops against the side wall of the accommodating cavity (11);

a charging socket (23), wherein the charging socket (23) is matched in the shell (21) and is arranged at a distance from the positive contact (22);

and one end of the elastic piece (24) abuts against the positive contact (22), and the other end of the elastic piece (24) abuts against the charging socket (23).

3. The vehicle-mounted charging device according to claim 2, wherein the positive contact (22) includes a positive body (221) and a positive collar (222) disposed around the positive body (221), the positive collar (222) abuts against a step surface of the stepped hole (2111), a fitting hole (2211) is provided in the positive contact (22), and one end of the elastic member (24) is fitted into the fitting hole (2211) and abuts against a bottom wall of the fitting hole (2211).

4. The vehicle-mounted charging device according to claim 2, wherein an end of the charging socket (23) facing the positive electrode contact (22) has a fitting groove (231), and an end of the elastic member (24) is caught in the fitting groove (231).

5. The vehicle-mounted charging device according to claim 2, wherein a through hole (2112) is formed in a side wall of the housing (21), the charging head (2) further includes a negative contact (25), the negative contact (25) is fitted in the housing (21), and a portion of the negative contact (25) protrudes through the through hole (2112) and abuts against a side wall of the housing chamber (11).

6. The vehicle-mounted charging device according to claim 5, wherein the negative contact (25) includes a negative body (251) and a negative projection (252) connected to one end of the negative body (251), the negative body (251) is fitted in the through hole (2112), and the negative projection (252) abuts against an inner side wall of the housing (21).

7. The vehicle-mounted charging device according to claim 6, wherein a limit groove (112) is provided on a side wall of the accommodating chamber (11), and the negative electrode main body (251) is fitted in the limit groove (112).

8. The vehicle-mounted charging device according to claim 5, wherein the housing (21) comprises a first housing (211) and a second housing (212) which are formed by splicing, a first half hole is formed in the first housing (211), a second half hole is formed in the second housing (212), and the first half hole and the second half hole are spliced into the through hole (2112).

9. The vehicle-mounted charging device according to claim 8, wherein one of the first housing (211) and the second housing (212) is provided with a clamping protrusion, and the other one is provided with a clamping groove matched with the clamping protrusion.

10. The vehicle-mounted charging device according to claim 8, wherein the second case (212) has a plug-in step (2121), and the plug-in step (2121) is fitted in the accommodation chamber (11).