CN211182036U

CN211182036U - Switch waterproof construction

Info

Publication number: CN211182036U
Application number: CN201922338464.4U
Authority: CN
Inventors: 张成广; 崔国庆; 朱传刚; 张佳辉; 马奔腾
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-04
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a switch waterproof construction, including switch shell, shift knob and switch inner shell, shift knob sets up in the top of switch inner shell, is equipped with the through-hole on the switch shell and constitutes water drainage tank, and water drainage tank sets up in switch shell's side, and the water that gets into in the switch by the gap between switch shell and the shift knob flows from water drainage tank, realizes that the first order is waterproof passively. The switch waterproof structure further comprises conductive rubber for protecting the PCB, one end of the conductive rubber is connected with the switch inner shell, the other end of the conductive rubber is provided with a groove body for containing the PCB, the PCB is located in the groove body of the conductive rubber, and the conductive rubber structure achieves active waterproofing. A drain hole is formed in the switch base, water entering the area B flows out of the switch body from the drain hole, and second-level passive water proofing is achieved through the drain hole in the switch base. The utility model provides a waterproof construction can realize the initiative passive waterproof of switch, has solved water problem of being detained in the switch, improves the waterproof performance of product.

Description

Switch waterproof construction

Technical Field

The utility model belongs to the technical field of the automobile switch, concretely relates to switch waterproof construction.

Background

With the demand of people for comfort of automobiles becoming higher and higher, the number of automobile models equipped with various functions (such as seat heating, starting and stopping, one-key starting and the like) is increasing, and various switches are needed for realizing the functions, the switches are generally arranged in a cab, water can be splashed onto the switches by passengers without paying attention when drinking water, if the switches are not designed to be waterproof, the water can enter the interior of the switches to be retained or can be discharged for a long time, and then the switch function is easy to fail.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model aims to provide a simple structure, make convenient, the strong switch waterproof construction of waterproof performance for solve because water is detained in the switch inside and lead to the problem that the switch became invalid easily.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a switch waterproof construction, includes switch outer shell, shift knob and switch inner shell, shift knob sets up the top at the switch inner shell, its characterized in that: the switch shell is provided with a through hole to form a drainage channel, and water entering the switch from a gap between the switch shell and the switch button flows out of the drainage channel.

Furthermore, a PCB is arranged below the switch inner shell and is arranged between the switch inner shell and the switch base.

Further, switch waterproof construction is still including the conductive rubber who is used for protecting the PCB board, and conductive rubber's one end is connected with the switch inner shell, and conductive rubber's the other end is equipped with the cell body that is used for holding the PCB board, and the PCB board is located conductive rubber's cell body.

Furthermore, the PCB divides the internal cavity of the switch into an area A and an area B, the part between the PCB and the switch inner shell is the area A, and the part between the PCB and the switch base is the area B.

Furthermore, the conductive rubber is made into an umbrella-shaped structure and covers the PCB, and water entering the area A from a gap between the switch outer shell and the switch inner shell flows into the area B from the outer edge of the conductive rubber.

Furthermore, a drain hole is formed in the switch base, and water entering the area B flows out of the switch body from the drain hole.

Furthermore, the drainage groove forms the first-stage passive water prevention of the switch, the conductive rubber forms the active water prevention of the switch, and the drainage hole forms the second-stage passive water prevention of the switch.

Adopt the utility model discloses technical scheme's advantage does:

1. the utility model discloses a passive waterproof of first order is realized to the water drainage tank of switch shell side, realizes initiatively waterproofly through umbelliform conductive rubber structure protection PCB board, realizes the passive waterproof of second level through the wash port on the switch base, and cubic waterproof structural design greatly increased the waterproof performance of switch.

2. The utility model provides a waterproof construction can realize the initiative passive waterproof of switch, has solved water and has detained the problem in the switch, improves the waterproof performance of product, the after-sales trouble quantity that has significantly reduced leads to because of waterproof problem.

Drawings

The invention will be described in further detail with reference to the following drawings and detailed description:

FIG. 1 is a schematic diagram of the first-stage passive waterproof of the present invention;

FIG. 2 is a schematic view of the active waterproof of the present invention;

FIG. 3 is a schematic view of the second stage passive waterproofing of the present invention;

the labels in the above figures are respectively: 1. a switch housing; 11. a water discharge tank; 2. a switch button; 4. a PCB board; 5. a switch inner housing; 6. a switch base; 7. a conductive rubber; 8. and (4) draining the water.

Detailed Description

In the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "plane direction", "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 simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1 to 3, a switch waterproof construction, including switch shell 1, shift knob 2 and switch inner shell 5, shift knob 2 sets up the top at switch inner shell 5, the last through-hole that is equipped with of switch shell 1 constitutes water drainage tank 11, and water drainage tank 11 sets up in switch shell 1's side, and the water that gets into in the switch by the gap between switch shell 1 and the shift knob 2 flows out from water drainage tank 11, realizes the passive waterproof of first order.

The lower part of switch inner shell 5 is equipped with PCB board 4, and PCB board 4 sets up between switch inner shell 5 and switch base 6. The PCB 4 divides the inner cavity of the switch into an area A and an area B, the part between the PCB 4 and the switch inner shell 5 is the area A, and the part between the PCB 4 and the switch base 6 is the area B.

Above-mentioned switch waterproof construction is still including the conductive rubber 7 that is used for protecting PCB board 4, and conductive rubber 7's one end is connected with switch inner shell 5, and conductive rubber 7's the other end is equipped with the cell body that is used for holding PCB board 4, and PCB board 4 is located conductive rubber 7's cell body. The conductive rubber 7 is made into an umbrella-shaped structure and covers the PCB 4, water entering the area A from a gap between the switch outer shell 1 and the switch inner shell 5 flows into the area B from the outer edge of the conductive rubber 7, and active water proofing is realized through the umbrella-shaped conductive rubber structure.

The switch base 6 is provided with a drain hole 8, water entering the area B flows out of the switch body from the drain hole 8, and second-level passive water prevention is achieved through the drain hole 8 in the switch base 6.

The utility model discloses a theory of operation does: when water enters the switch from the gap between the switch shell 1 and the switch button 2, the water flows out from the drainage groove 11 on the switch shell 1, as shown by the arrow in fig. 1, and the water is passively prevented for the first stage. After a small amount of water enters the space of the area A from the gap between the switch outer shell 1 and the switch inner shell 5, the water is protected by the conductive rubber 7 with the umbrella-shaped structure, and the water is difficult to flow onto the PCB 4 in the process of entering the area B from the gap between the switch outer shell 1 and the conductive rubber 7 from the area A, so that the PCB 4 is protected, and the waterproof function is active waterproof. Even if a small amount of water enters the area B, the water flows out of the switch body from the drain hole according to the arrow shown in figure 3, so that rainwater is prevented from being retained in the switch body, and the second-stage passive water prevention is realized.

The utility model provides a waterproof construction can realize the initiative passive waterproof of switch, has thoroughly solved waterproof problem, improves the waterproof performance of product, and the after-sale trouble quantity that leads to because of waterproof problem that has significantly reduced.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without the technical solutions of the present invention, or the present invention can be directly applied to other occasions without the improvements, and all are within the protection scope of the present invention.

Claims

1. The utility model provides a switch waterproof construction, includes switch outer shell (1), shift knob (2) and switch inner shell (5), shift knob (2) set up the top at switch inner shell (5), its characterized in that: be equipped with the through-hole on switch shell (1) and constitute water drainage tank (11), the water that gets into in the switch by the gap between switch shell (1) and shift knob (2) flows out from water drainage tank (11).

2. The waterproof structure of a switch of claim 1, wherein: the switch is characterized in that a PCB (4) is arranged below the switch inner shell (5), and the PCB (4) is arranged between the switch inner shell (5) and the switch base (6).

3. The switch waterproofing structure according to claim 2, wherein: switch waterproof construction is still including electrically conductive rubber (7) that are used for protecting PCB board (4), and the one end and the switch inner shell (5) of electrically conductive rubber (7) are connected, and the other end of electrically conductive rubber (7) is equipped with the cell body that is used for holding PCB board (4), and PCB board (4) are located the cell body of electrically conductive rubber (7).

4. A switch waterproofing structure according to claim 3, wherein: the switch is characterized in that the inner cavity of the switch is divided into an area A and an area B by the PCB (4), the part between the PCB (4) and the switch inner shell (5) is the area A, and the part between the PCB (4) and the switch base (6) is the area B.

5. The switch waterproofing structure according to claim 4, wherein: the conductive rubber (7) is made into an umbrella-shaped structure and covers the PCB (4), and water entering the area A from a gap between the switch outer shell (1) and the switch inner shell (5) flows into the area B from the outer edge of the conductive rubber (7).

6. The switch waterproofing structure according to claim 5, wherein: a drain hole (8) is formed in the switch base (6), and water entering the area B flows out of the switch body from the drain hole (8).

7. The switch waterproofing structure according to claim 6, wherein: the drainage groove (11) forms first-stage passive water prevention of the switch, the conductive rubber (7) forms active water prevention of the switch, and the drainage hole (8) forms second-stage passive water prevention of the switch.