CN219180393U

CN219180393U - Mechanical waterproof button for automobile charging lamp

Info

Publication number: CN219180393U
Application number: CN202223497812.0U
Authority: CN
Inventors: 罗宏聪; 康志锋; 周佳倩
Original assignee: Guangzhou Antolin Lighting
Current assignee: Guangzhou Antolin Lighting
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-13
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a mechanical waterproof button for an automobile charging lamp, which comprises a button, an upper shell, a middle shell, a lower shell, an interface wire, a sealing ring and a PCB (printed circuit board), wherein the upper shell and the lower shell are fixedly attached together up and down, an inner cavity is formed between the upper shell and the lower shell, the middle shell is embedded and arranged on the upper shell, the middle shell stretches into the inner cavity, a cross opening is formed in the middle shell, the lower end of the button passes through the cross opening in the middle shell and then contacts with an opening arranged on the PCB, the button can move up and down along the axial direction of the middle shell under the action of external force so as to press a switch, thereby triggering the opening and closing functions of the switch, the PCB is fixedly arranged on the lower shell and positioned in the inner cavity, the switch is electrically connected with the PCB, and the interface wire is connected with the PCB and the external automobile charging lamp. The waterproof cloth has a fool-proof function, and has good waterproof performance.

Description

Mechanical waterproof button for automobile charging lamp

Technical Field

The utility model relates to the technical field of automobile button accessories, in particular to a mechanical waterproof button for an automobile charging lamp.

Background

At present, most of new energy automobiles adopt electric power as energy, and are charged with external charging piles/charging stations through charging interfaces. In order to display the charging state (for example, whether the vehicle is charged or not), a charging lamp is generally installed at a charging interface of the vehicle, and the charging lamp is generally installed at a side of the vehicle body, which is contacted with the outside, i.e. the charging lamp is exposed to the outside. If the charging lamp with the mechanical switch is not well waterproof, the charging lamp is easy to enter water to cause short circuit and other problems when an automobile is charged in rainy days. Therefore, waterproofing is one of the important functions for rechargeable lamps.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a mechanical waterproof button for an automobile charging lamp, which can solve the technical problems described in the background art.

The technical scheme for realizing the purpose of the utility model is as follows: a mechanical waterproof button for an automobile charging lamp comprises a button, an upper shell, a middle shell, a lower shell, an interface wire, a sealing ring and a PCB board, wherein the upper shell and the lower shell are fixedly attached together up and down, an inner cavity is formed between the upper shell and the lower shell, the middle shell is embedded and installed on the upper shell and extends into the inner cavity, a cross opening is arranged on the middle shell, the lower end of the button passes through the cross opening on the middle shell and then contacts with an opening installed on the PCB board, the button can move up and down along the axial direction of the middle shell under the action of external force pressing so as to press a switch, thereby triggering the opening and closing functions of the switch, the PCB board is fixedly installed on the lower shell and positioned in the inner cavity, the switch is installed at one end of the PCB board towards the middle shell, the switch is electrically connected with the PCB board,

the button comprises a cover plate, a raised rim and cross ribs, wherein the raised rim is fixedly arranged at one end of the cover plate facing the middle shell, the raised rim is in transverse sealing contact with the middle shell,

the cross rib is matched with the cross mouth in shape, the lower end of the cross rib extends into the cross mouth and is positioned in the inner cavity, the upper end of the cross rib is attached to the surface of the groove at the upper end of the middle shell, the cross mouth is positioned in the groove,

one end of the interface wire is electrically connected with the PCB, the other end of the interface wire is used for being connected with an external charging lamp for the automobile, the interface wire is used for providing power and signals for the PCB,

the middle shell and the gap between the transverse contradictions of the buttons are provided with an irregular sealing ring, the irregular sealing ring is fixedly connected with an upper bending part and a lower bending part, the upper bending part is provided with a downward concave opening, a cover plate is provided with a downward convex cylinder, the cylinder stretches into the concave opening and is in sealing contact with the inner wall of the concave opening, so that when external rainwater and other moisture infiltrates along the gap between the cover plate and the upper shell, the external rainwater flows in along the concave opening, the concave opening prolongs the water flowing distance, and therefore the water is slowed down and prevented from continuously flowing downwards to pass through the sealing ring and flow into the gap between the middle shell and the upper shell to flow into the inner cavity, and finally the rainwater is prevented from falling on the PCB plate, so that a good waterproof effect can be achieved.

Further, outside rainwater is deposited in the gaps of the middle shell, the upper shell and the middle shell, and the more the rainwater is, the greater the pressure action on the sealing ring is, so that the sealing ring is more attached between the middle shell and the upper shell, and the sealing performance is further enhanced.

Further, the upper shell and the lower shell can be fixedly connected together by adopting an ultrasonic welding mode.

Further, the surface of the upper end of the button is flush with the upper surface of the upper housing.

Further, the PCB board still electrically connected has first light guide and second light guide, and the light-emitting end laminating of first light guide and second light guide is on last casing to the upper surface of the light-emitting end of first light guide and second light guide flushes with the surface of last casing, and first light guide and second light guide are used for sending the light in order to show whether the car charging lamp that is connected with mechanical waterproof button is charging.

Further, one end of the interface wire extends into the flat notch of the lower shell to be electrically connected with the PCB, and the other end of the interface wire can be electrically connected with an interface matched with an external automobile charging lamp by adopting a standard or custom physical interface.

Further, the raised rim is circumferentially disposed along the peripheral edge of the raised rim.

Further, the cross rib is located in the raised rim.

Further, it is located at the very center of the raised rim.

Further, the cross opening is two openings which are long and short and are crisscrossed, the lower end of the button passes through the cross opening on the middle shell and then contacts with the opening arranged on the PCB, and the cross rib is provided with two cross bars which are long and short and fixedly connected together, so that the cross rib can only be inserted into the cross opening in a certain specific direction to play a foolproof role.

The beneficial effects of the utility model are as follows: according to the waterproof sealing structure, the cross rib on the button is matched with the middle shell, so that the waterproof sealing structure has a foolproof function, can form a solid sealing state by being attached to the cross rib through the irregular sealing ring, has good waterproof performance, is simple in whole structure and low in cost, and can be well popularized and applied to places such as automobile charging lamps, which need mechanical buttons, so that waterproof performance is realized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model after the interface lines are removed;

FIG. 3 is a schematic view of the structure of the present utility model with the upper housing and interface wires removed;

FIG. 4 is a schematic structural view of the intermediate housing;

FIG. 5 is a schematic view of the structure of the button;

FIG. 6 is a schematic cross-sectional view in partial section;

FIG. 7 is a schematic cross-sectional view partially below and with irregular seal ring reference numbers attached;

in the figure, 1-upper shell, 2-lower shell, 3-first light guide, 4-button, 41-cover plate, 42-raised rim, 43-cross rib, 6-middle shell, 61-cross mouth, 8-switch, 9-sealing ring, 10-second light guide, 11-PCB board, 12-interface line.

Detailed Description

The utility model is further described with reference to the accompanying drawings and detailed description below:

as shown in fig. 1 to 7, a mechanical waterproof button 4 for an automobile charging lamp comprises a button 4, an upper casing 1, a middle casing 6, a lower casing 2, an interface wire 12, a sealing ring 9 and a PCB 11, wherein the upper casing 1 and the lower casing 2 are fixedly attached together up and down, an inner cavity is formed between the upper casing 1 and the lower casing 2, the middle casing 6 is embedded and arranged on the upper casing 1, and the middle casing 6 extends into the inner cavity. The middle shell 6 is provided with a cross 61, and the cross 61 is formed by two openings which are crisscrossed with each other in length. The lower end of the button 4 passes through the cross port 61 on the middle housing 6 and then contacts with the opening mounted on the PCB 11, and the button 4 can move up and down along the axial direction (i.e., the vertical direction) of the middle housing 6 under the action of external force pressing (e.g., manual pressing), so as to press the switch 8, thereby triggering the opening and closing functions of the switch 8. The PCB 11 is fixedly installed on the lower shell 2 and is located in the inner cavity, the switch 8 is installed at one end of the PCB 11, facing the middle shell 6, and the switch 8 is electrically connected with the PCB 11 so as to open and close the PCB, so that the PCB 11 works or stops working.

The button 4 comprises a cover plate 41, a raised rim 42 and a cross rib 43, wherein the raised rim 42 is fixedly arranged at one end of the cover plate 41 facing the middle shell 6, and is circumferentially arranged along the peripheral edge of the raised rim 42, and the raised rim 42 is in transverse sealing contact with the middle shell 6, namely, the outer end of the raised rim 42 is in sealing contact with the inner end of the middle shell 6.

The cross rib 43 is located in the raised rim 42, for example, in the center of the raised rim 42, the cross rib 43 is matched with the shape of the cross port 61, the lower end of the cross rib extends into the cross port 61 to be located in the inner cavity, the upper end of the cross rib 43 is attached to the surface of a groove (not shown) at the upper end of the middle shell 6, and the cross port 61 is located in the groove. The cross rib 43 is provided with two cross bars which are fixedly connected together in a long-short cross manner, so that the cross rib 43 can be inserted into the cross port 61 only in a specific direction, plays a foolproof role, and is convenient to install.

In an alternative embodiment, the upper and

lower housings

1 and 2 may be fixedly connected together by ultrasonic welding.

In an alternative embodiment, the surface of the upper end of the button 4 is flush with the upper surface of the upper housing 1.

In an alternative embodiment, the PCB 11 is further electrically connected to the first light guide 3 and the second light guide 10, the light emitting ends of the first light guide 3 and the second light guide 10 are attached to the upper case 1, and the upper surfaces of the light emitting ends of the first light guide 3 and the second light guide 10 are flush with the surface of the upper case 1, and the first light guide 3 and the second light guide 10 are used for emitting bright light to display whether the automobile charging lamp connected to the mechanical waterproof button 4 is being charged.

In an alternative embodiment, the first light guide 3 and the second light guide 10 are snapped onto the PCB board 11. The PCB 11 is riveted with the lower case 2.

One end of the interface wire 12 extends into the flat notch of the lower housing 2 to be electrically connected with the PCB 11, the other end is used for being connected with an external charging lamp for the automobile, and the interface wire 12 is used for providing power and signals for the PCB. The other end of the interface wire 12 may be electrically connected to an interface adapted to an external automotive charging lamp using a standard or custom physical interface.

The gap between the middle shell 6 and the button 4 transversely contradicts is provided with an irregular sealing ring 9, the upper bending part and the lower bending part of the irregular sealing ring 9 are fixedly connected together up and down, a downward concave opening is formed in the upper bending part, a downward protruding column body is arranged on the cover plate 41 and stretches into the concave opening and is in sealing contact with the inner wall of the concave opening, so that when external rainwater and other moisture infiltrate along the gap between the cover plate 41 and the upper shell 1, the external rainwater flows in along the concave opening, the concave opening prolongs the water flowing distance, and therefore the water is slowed down and prevented from continuously flowing downwards to flow into an inner cavity through the gap between the middle shell 6 and the upper shell 1, and finally the rainwater is prevented from falling on the PCB 11, so that a good waterproof effect can be achieved. In addition, because the outside rainwater is deposited in the gaps among the middle shell 6, the upper shell 1 and the middle shell 6, the more the rainwater is, the greater the pressure action on the sealing ring 9 is, so that the sealing ring 9 is more attached between the middle shell 6 and the upper shell 1, and the sealing performance is further enhanced. In combination, the inventor actually tests that the waterproof grade can reach IP67, and the button 4 of the outdoor automobile charging lamp is completely met.

According to the utility model, the cross rib 43 on the button 4 is matched with the middle shell 6, so that the waterproof device has a foolproof function, on one hand, a firm sealing state can be formed by attaching the irregular sealing ring 9 on the cross rib 43, the waterproof device has good waterproof performance, the whole structure is simple, the cost is low, and the waterproof device can be well popularized and applied to places such as automobile charging lamps, which need mechanical buttons 4, and waterproof is realized.

The embodiment disclosed in the present specification is merely an illustration of one-sided features of the present utility model, and the protection scope of the present utility model is not limited to this embodiment, and any other functionally equivalent embodiment falls within the protection scope of the present utility model. Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing description and the accompanying drawings, and all such changes and modifications are intended to be included within the scope of the present utility model as defined in the appended claims.

Claims

1. A mechanical waterproof button for an automobile charging lamp is characterized by comprising a button, an upper shell, a middle shell, a lower shell, an interface wire, a sealing ring and a PCB (printed circuit board), wherein the upper shell and the lower shell are fixedly attached together up and down, an inner cavity is formed between the upper shell and the lower shell, the middle shell is embedded and installed on the upper shell, the middle shell stretches into the inner cavity, a cross opening is formed in the middle shell, the lower end of the button passes through the cross opening in the middle shell and then contacts with an opening installed on the PCB, the button can move up and down along the axial direction of the middle shell under the action of external force to press a switch, so that the opening and closing functions of the switch are triggered, the PCB is fixedly installed on the lower shell and positioned in the inner cavity, the switch is installed at one end of the PCB towards the middle shell, and the switch is electrically connected with the PCB,

the middle shell and the gap between the transverse contradictions of the buttons are provided with an irregular sealing ring, the irregular sealing ring is fixedly connected with an upper bending part and a lower bending part, the upper bending part is provided with a downward concave opening, a cover plate is provided with a downward convex cylinder, the cylinder stretches into the concave opening and is in sealing contact with the inner wall of the concave opening, when external rainwater permeates into the gap between the cover plate and the upper shell along the concave opening, the concave opening extends the water flowing distance, so that the water is slowed down and prevented from continuously flowing downwards to flow into the inner cavity through the gap between the middle shell and the upper shell by penetrating through the sealing ring, and finally, rainwater is prevented from falling on the PCB, so that a good waterproof effect can be achieved.

2. The mechanical waterproof button for an automotive charging lamp according to claim 1, wherein external rainwater is accumulated in the gaps of the middle housing, the upper housing and the middle housing, and the more the rainwater, the greater the pressure effect on the sealing ring, so that the sealing ring is more attached between the middle housing and the upper housing, and the sealing performance is further enhanced.

3. The mechanical waterproof button for an automotive rechargeable lamp according to claim 2, wherein the housing and the lower housing are fixedly connected by ultrasonic welding.

4. A mechanical waterproof button for a car charging lamp according to claim 3, wherein the surface of the upper end of the button is flush with the upper surface of the upper housing.

5. The mechanical waterproof button for an automobile charging lamp according to claim 4, wherein the PCB board is further electrically connected with a first light guide and a second light guide, light emitting ends of the first light guide and the second light guide are attached to the upper case, and upper surfaces of the light emitting ends of the first light guide and the second light guide are flush with a surface of the upper case, and the first light guide and the second light guide are used for emitting bright light to indicate whether the automobile charging lamp connected with the mechanical waterproof button is being charged.

6. The mechanical waterproof button for an automobile charging lamp according to claim 5, wherein one end of the interface wire extends into the flat recess of the lower housing and is electrically connected with the PCB, and the other end of the interface wire can be electrically connected with an interface adapted to an external automobile charging lamp by using a standard or custom physical interface.

7. The mechanical waterproof button for an automotive charging lamp of claim 6, wherein the raised rim is circumferentially disposed along a peripheral edge of the raised rim.

8. The mechanical waterproof button for an automotive charging lamp of claim 7, wherein the cross rib is located in the raised rim.

9. The mechanical waterproof button for an automotive charging lamp of claim 8, wherein the waterproof button is located at the very center of the raised rim.

10. The mechanical waterproof button for the automobile charging lamp according to claim 9, wherein the cross opening is two openings which are long and short and cross, the lower end of the button is contacted with the opening arranged on the PCB after passing through the cross opening on the middle shell, and the cross rib is provided with two cross bars which are long and short and fixedly connected together, so that the cross rib can only be inserted into the cross opening in a certain specific direction to play a foolproof role.