CN216928345U

CN216928345U - Automobile back door opening switch

Info

Publication number: CN216928345U
Application number: CN202123290494.6U
Authority: CN
Inventors: 钱坤; 崔国庆; 朱传刚
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-07-08
Anticipated expiration: 2031-12-25

Abstract

The utility model aims to provide an automobile back door opening switch which is compact in structure and good in sealing performance, and comprises a base, wherein a shell is covered above the base and is tightly pressed through buckling fit, a PCB is arranged in a cavity formed by enclosing the base and the shell, the middle part of the PCB is abutted against the middle position of the lower part of a button plate through a microswitch, the upper surface of the button plate is covered with an outer cover, and the outer peripheral ring of the outer cover and the upper end surface of the shell are in an integral structure through injection molding. In the above scheme, the outer periphery of enclosing cover moulds plastics formula structure as an organic whole with the up end of shell, has stopped the possibility of intaking from the root, and sealing performance is good.

Description

Automobile back door opening switch

Technical Field

The utility model relates to the technical field of automobile switches, in particular to an opening switch for an automobile back door.

Background

The automobile trunk is provided with a back door, and a back door opening switch is mounted on the back door and used for controlling the opening and closing of the back door opening switch. However, most of the existing automobile back doors adopt through type tail lamps, and a back door opening switch needs to be arranged on the tail lamps, so that higher requirements on the occupied space, the dust and water prevention performance, and the mounting and dismounting performance of the switch are provided.

The utility model discloses a utility model patent of "a silence and waterproof car is with electronic back door closing switch" (grant bulletin number: CN214505311U) discloses following technical scheme: including shell and base, the shell is located the base top, and shell and base compress tightly through the buckle cooperation, the shell top has the buckle groove that is used for the installation to close button and shutting button, is equipped with conductive rubber and PCB board in the base, closes button and shutting button and all is connected with PCB board, conductive rubber top edge be equipped with round interference muscle, be equipped with little round muscle on the buckle groove. Close button and shutting button among the above-mentioned scheme are two independent parts, the buckle groove joint that mode and shell top through the joint set up, and through little round muscle waterproof seal on the buckle groove, close button and shutting button on the one hand will assemble with the buckle groove, and the structure is more complicated, and on the other hand closes button and shutting button as moving piece and seals waterproof to the little round muscle through on the buckle groove, and water-proof effects is poor, appears sealed inefficacy phenomenon easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automobile back door opening switch which is compact in structure and good in sealing performance.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a switch is opened to car back door, includes the base, and the shell cover is established in the base top and is compressed tightly through the buckle cooperation, and base and shell enclose to be provided with the PCB board in the synthetic cavity, and the intermediate position of micro-gap switch and button board lower part is passed through at the middle part of PCB board offsets, and the upper surface lid of button board is equipped with the enclosing cover, and the peripheral circle of enclosing cover moulds plastics formula structure as an organic whole with the up end of shell.

In the above scheme, the outer periphery of enclosing cover moulds plastics formula structure as an organic whole with the up end of shell, has stopped the possibility of intaking from the root, and sealing performance is good.

Drawings

FIG. 1 is an outline view of an on switch;

FIG. 2 is a cross-sectional view of the on switch;

fig. 3 is a perspective view of the conductive rubber.

Detailed Description

It should be noted that the opening switch is installed at a position near the lower edge of the back door, the base 10 of the opening switch is connected to the back door when the back door is closed, and the outer cover 60 is disposed downward or obliquely downward, when the back door is opened in place, the outer cover 60 is disposed upward or obliquely upward, based on the uncertainty of the posture of the opening switch, for convenience of description, the following "upper" and "lower" refer to the orientations in fig. 2, and the details of the present invention will be further discussed with reference to fig. 1 to 3.

The utility model provides a back door opening switch behind car, includes base 10, and shell 20 covers establishes in base 10 top and compresses tightly through the buckle cooperation, and base 10 and shell 20 enclose synthetic cavity and are provided with PCB board 30, and the intermediate position of PCB board 30 middle part through micro-gap switch 40 and the 50 lower parts of button plate offsets, and the upper surface lid of button plate 50 is equipped with enclosing cover 60, and enclosing cover 60's periphery circle moulds plastics formula structure as an organic whole with shell 20's up end. The base 10 is fixed on the back door, and when the outer cover 60 is pressed by hand, the button plate 50 can drive the micro switch 40 to contact with the PCB 30 to realize electric connection, thereby controlling the opening of the back door. Compared with the prior art, the outer periphery of the outer cover 60 and the upper end face of the shell 20 are of an integral structure in an injection molding mode, no gap exists between the outer periphery of the outer cover and the upper end face of the shell, the possibility of water inflow is radically eliminated, and the sealing performance is good.

As a preferred scheme of the utility model, the outer cover 60 is in a shallow plate shape with a downward opening, the plate bottom 61 covers the upper plate surface of the button plate 50, the plate edge is provided with a flat flange 62, and the flat flange 62 is pressed on a concave table arranged on the upper end surface of the shell 20 and is molded into a whole through a double-color mold. There is no gap between the outer cover 60 and the housing 20, thereby realizing a hermetic structure of the opening switch.

As shown in fig. 2 and 3, the upper surface of the PCB 30 is provided with a conductive rubber 70, the conductive rubber 70 includes a main board 71, a first concave portion 711 for placing the micro switch 40 is formed in the middle of the main board, two threaded holes 712 are respectively formed in the main board 71 on two sides of the first concave portion 711, the bolt 11 on the base 10 passes through the PCB 30 and is fixedly connected with the threaded holes 712, two second concave portions 713 are further formed in the main board 71 outside the threaded holes 712, two conductive posts on the PCB 30 are inserted into the second concave portions 713 for electrical connection, and openings of the first concave portions 711, the second concave portions 713 are arranged toward the PCB 30. The bolt 11 may be pre-embedded on the base 10, and then connected with the threaded hole 712 after passing through the through hole on the PCB 30, thereby achieving the connection of the base 10, the PCB 30 and the conductive rubber 70.

As an electric control component, the sealing performance is very important, the base 10 and the shell 20 are two separate components, and therefore the sealing performance between the two components is also the key point to be considered for opening the switch, the lower plate surface of the main board 71 is provided with a coaming 72 in a downward surrounding manner, the coaming 72 is clamped in a clamping cavity between the inner wall of the base 10 and the outer peripheral wall of the PCB 30 to form sealing fit, and the outer ring of the main board 71 protrudes into the clamping cavity between the upper end surface of the base 10 and the step surface 21 arranged on the inner wall of the shell 20 to form sealing fit. The sealing performance between the inner wall of the base 10 and the outer peripheral wall of the PCB 30 and between the upper end surface of the base 10 and the inner wall of the housing 20 is ensured by the arrangement of the enclosure plate 72 and the outer ring of the main board 71.

In order to further improve the sealing performance between the base 10 and the casing 20, a rib 22 is protruded downwards at the inner ring of the step surface 21 arranged on the inner wall of the casing 20, and the rib 22 is pressed on the upper plate surface of the outer ring of the main plate 71 to form sealing fit.

In order to improve the corresponding timeliness of the micro switch 40, the button plate 50 is in a barrel shape with a downward opening, the barrel wall is inserted into the shell 20, the central position of the lower plate surface of the barrel bottom is provided with a projection 51 in a downward protruding mode, the projection 51 is pressed on the upper plate surface of the main plate 71, and the projection of the projection 51 and the projection of the micro switch 40 on the main plate 71 are overlapped.

To facilitate the pressing, the tray bottom 61 of the outer cover 60 is disposed to protrude from the upper end surface of the housing 20, so that a vehicle owner can precisely press the tray bottom 61 and open the back door by feeling without looking at it.

Claims

1. The utility model provides a back door opening switch behind car, includes base (10), and shell (20) cover is established in base (10) top and is compressed tightly through the buckle cooperation, and base (10) and shell (20) enclose synthetic cavity and are provided with PCB board (30), its characterized in that: the middle part of the PCB (30) is propped against the middle position of the lower part of the button plate (50) through the microswitch (40), the outer cover (60) is covered on the upper surface of the button plate (50), and the outer periphery of the outer cover (60) and the upper end surface of the shell (20) are molded into an integral structure.

2. The opening switch for the back door of the automobile according to claim 1, wherein: the outer cover (60) is in the shape of a shallow plate with a downward opening, the plate bottom (61) covers the upper plate surface of the button plate (50), a horizontal flanging (62) is arranged at the edge of the plate, and the horizontal flanging (62) is pressed on a concave table arranged on the upper end surface of the shell (20) and is molded into a whole through a double-color mold.

3. The opening switch for the back door of the automobile according to claim 1, wherein: the PCB comprises a PCB board (30), wherein the upper board surface of the PCB board (30) is provided with conductive rubber (70), the conductive rubber (70) comprises a main board (71), the middle of the main board is provided with a first concave part (711) for placing a microswitch (40), the main board (71) on two sides of the first concave part (711) are respectively provided with two threaded holes (712), a bolt (11) on a base (10) penetrates through the PCB board (30) and is fixedly connected with the threaded holes (712), the main board (71) on the outer side of the threaded holes (712) is further provided with two second concave parts (713), two conductive posts on the PCB board (30) are inserted into the second concave parts (713) to be electrically connected, and the first concave parts (711, 713) and the openings are arranged towards the PCB board (30).

4. The opening switch for the back door of the automobile as set forth in claim 3, wherein: the lower plate surface of the main plate (71) is downwards surrounded with a coaming (72), the coaming (72) is clamped in a clamping cavity between the inner wall of the base (10) and the outer peripheral wall of the PCB (30) to form sealing fit, and the outer ring of the main plate (71) protrudes into the clamping cavity between the upper end surface of the base (10) and the step surface (21) arranged on the inner wall of the shell (20) to form sealing fit.

5. The opening switch for the back door of the automobile as set forth in claim 4, wherein: the inner ring of the step surface (21) arranged on the inner wall of the shell (20) is provided with a convex rib (22) downwards in a protruding way, and the convex rib (22) is pressed on the upper plate surface of the outer ring of the main plate (71) to form sealing fit.

6. The opening switch for the back door of the automobile as set forth in claim 1, wherein: the button plate (50) is in a barrel shape with a downward opening, the barrel wall is inserted into the shell (20), a convex block (51) is arranged at the center of the lower plate surface of the barrel bottom in a downward protruding mode, the convex block (51) is pressed on the upper plate surface of the main plate (71), and the projection of the convex block (51) and the projection of the microswitch (40) on the main plate (71) are overlapped.

7. The opening switch for the back door of the automobile according to claim 2, wherein: the tray bottom (61) of the outer cover (60) is arranged protruding out of the upper end face of the shell (20).