CN217822476U - Can adorn at outside novel key switch structure of automobile body - Google Patents
Can adorn at outside novel key switch structure of automobile body Download PDFInfo
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- CN217822476U CN217822476U CN202221770104.7U CN202221770104U CN217822476U CN 217822476 U CN217822476 U CN 217822476U CN 202221770104 U CN202221770104 U CN 202221770104U CN 217822476 U CN217822476 U CN 217822476U
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Abstract
The utility model belongs to the field of auto parts, in particular to a novel key switch structure capable of being arranged outside a vehicle body, which comprises a shell, a circuit board and a connector, wherein the shell comprises a key cap, an annular elastomer sealing ring, an outer shell and a base which are sequentially connected, a closed inner cavity is formed between the key cap, the annular elastomer sealing ring, the outer shell and the base which are sequentially connected, the circuit board is arranged in the closed inner cavity, and the base is connected with the connector and enables the connector to be electrically connected with the circuit board; the annular elastic body sealing ring and the outer shell are integrally formed outside the local part of the key cap in an injection molding mode by adopting a double-color injection molding process, and the local part of the key cap is embedded in the annular elastic body sealing ring. This embodiment will press key cap, annular elastomer sealing washer, shell body to adopt injection molding process to link as an organic whole, and the connection does not have the clearance that supplies water, dust got into, and waterproof, dustproof effect is higher, can install in the automobile body outside, and part is small in quantity, the assembly of being convenient for.
Description
Technical Field
The utility model belongs to the auto-parts field, concretely relates to can adorn at outside novel key switch structure of automobile body.
Background
With the development of society and the progress of times, automobiles become more and more popular as tools for many people to travel instead of walk. Automotive technology is well established and there are many very fine regulatory requirements. The push button switch conventionally mounted on an automobile is a sealing structure which is provided inside a vehicle body and does not require an electronic component such as a protection switch, but when an outer end of the push button switch faces an environment exposed to rain or the like or an environment with much moisture, a sealing structure of an electronic component such as a protection switch is required, and when the sealing structure is constructed, it is desired to avoid an increase in the number of components and to avoid complication of the structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming and not enough that prior art exists, and provide a can adorn at the outside novel key switch structure of automobile body.
The utility model discloses the technical scheme who takes as follows: a novel key switch structure capable of being mounted outside a vehicle body comprises a shell, a circuit board and a connector, wherein the shell comprises a key cap, an annular elastic body sealing ring, an outer shell and a base which are sequentially connected, a closed inner cavity is formed among the key cap, the annular elastic body sealing ring, the outer shell and the base which are sequentially connected, the circuit board is arranged in the closed inner cavity, and the base is connected with the connector and enables the connector to be electrically connected with the circuit board; the annular elastic body sealing ring and the outer shell are integrally formed outside the local part of the key cap in an injection molding mode by adopting a double-color injection molding process, and the local part of the key cap is embedded in the annular elastic body sealing ring.
The key cap is connected with the annular elastic body sealing ring, the outer wall of one end connected with the annular elastic body sealing ring protrudes outwards in the radial direction to form a connecting convex block, and a first connecting groove with a shape matched with the shape is formed in the corresponding position of the annular elastic body sealing ring in an integrated injection molding mode.
The connecting lug is of a T-shaped structure, the width of the outer end of the connecting lug is larger than that of the inner end of the connecting lug, and the connecting lug is provided with a plurality of connecting lugs which are distributed at equal intervals.
The annular elastomer sealing ring and the axial bulge of one end connected with the outer shell form a connecting ring, and a second connecting groove is formed in the corresponding position of the outer shell in an integrated injection molding mode.
The key cap comprises a pressing part positioned at the outer end and an extending part positioned at the inner end, the width of the pressing part is smaller than that of the extending part, and the pressing part and the extending part are in step transition; the annular elastomer sealing ring is integrally of a cone-like structure, the width or the diameter of one end connected with the outer shell is larger than that of one end connected with the key cap, one end connected with the outer shell is a raised annular part, and the surface of the annular part far away from the outer shell is provided with a sealing part matched with the local sealing of the automobile shell.
The shell and the base are detachably connected and fastened, a waterproof elastic gasket is arranged between the shell and the base, the periphery of the waterproof elastic gasket is fixed between the shell and the base to seal the shell and the base, and the circuit board is arranged between the waterproof elastic gasket and the base; be equipped with interior casing between waterproof elastic gasket and the shell body, be equipped with the ejector pin in the interior casing just the ejector pin is spacing can follow the straight line and slide in interior casing, the ejector pin both ends respectively with waterproof elastic gasket and press the key cap cooperation, correspond on the circuit board the position of ejector pin is equipped with micro-gap switch, can trigger micro-gap switch through pressing the key cap.
The base is provided with a positioning convex column, the circuit board is correspondingly provided with a positioning hole, and the positioning convex column is in inserted fit with the positioning hole; the part of the waterproof elastic gasket corresponding to the microswitch is a first bulge part covered outside the microswitch; the waterproof elastic gasket is provided with a second convex part corresponding to the positioning convex column, sleeved outside the positioning convex column and matched with the positioning convex column in shape.
A plurality of first positioning lugs are arranged on the end face, close to the waterproof elastic gasket, of the inner shell, a plurality of first positioning grooves in adaptive shapes are correspondingly arranged on the waterproof elastic gasket, and the first positioning lugs are mutually matched with the first positioning grooves in an inserted manner; the outer wall of the inner shell is provided with a plurality of second positioning lugs, the inner wall of the outer shell is correspondingly provided with a plurality of second positioning grooves with adaptive shapes, and the second positioning lugs and the second positioning grooves are mutually inserted and matched; the outer wall of the inner shell is provided with a plurality of axial limiting sliding grooves, the inner wall of the key cap is correspondingly provided with a plurality of axial limiting sliding blocks, and the axial limiting sliding blocks and the key cap are mutually matched in an inserted manner.
The waterproof elastic gasket is characterized in that a protruding ring part is formed by protruding the periphery of the waterproof elastic gasket, the upper end face of the protruding ring part is a smooth convex curved surface, and a rectangular groove matched with the protruding ring part is formed in the inner wall of the outer shell.
The connector adopts a waterproof wire harness connector assembly.
The utility model has the advantages that: this embodiment will press key cap, annular elastomer sealing washer, shell body to adopt injection molding process to link as an organic whole, and the connection does not have the clearance that supplies water, dust got into, and waterproof, dustproof effect is higher, can install in the automobile body outside, and part is small in quantity, the assembly of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
Fig. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is an exploded view of an embodiment of the present invention;
fig. 4 is an exploded view of the key cap, the annular elastomer sealing ring, and the outer housing of the present invention integrated together in one embodiment;
fig. 5 is an exploded cross-sectional view of a key cap, an annular elastic body sealing ring, and an outer housing that are integrally connected in one embodiment of the present invention;
fig. 6 is a schematic structural diagram of a base according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a waterproof elastic gasket according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a waterproof elastomeric gasket in an embodiment of the present invention;
fig. 9 is a schematic structural view of an inner cover according to an embodiment of the present invention;
fig. 10 is an installation diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used to distinguish two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are merely for convenience of expression and should not be construed as limitations of the embodiments of the present invention, and the following embodiments do not describe this one by one.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings only. Accordingly, the directional and positional terms used are intended to illustrate and understand the present invention and are not intended to limit the scope of the invention.
The utility model provides a can adorn at outside novel key switch structure of automobile body, as shown in fig. 1-3, including casing, circuit board 5, connector 6, waterproof elastic gasket 7, interior casing 8, ejector pin 9, the casing includes consecutive key cap 1, annular elastomer sealing washer 2, shell body 3, base 4, forms closed inner chamber between consecutive key cap 1, annular elastomer sealing washer 2, shell body 3, the base 4, circuit board 5, waterproof elastic gasket 7, interior casing 8 set up in closed inner chamber, and circuit board 5 sets up on base 4, and waterproof elastic gasket 7 is fixed between shell body 3, base 4, and interior casing 8 sets up on waterproof elastic gasket 7, ejector pin 9 is spacing can follow the straight line and slide in interior casing 8, ejector pin 9 both ends respectively with waterproof elastic gasket 7 and key cap 1 cooperation, correspond on the circuit board 5 the position of ejector pin 9 is equipped with micro-gap switch 10, presses key cap 1 and can trigger micro-gap switch 10. The base 4 connects the connector 6 and makes the connector 6 electrically connected to the circuit board 5.
The annular elastic body sealing ring 2 and the outer shell 3 are integrally formed outside the local part of the key cap 1 by adopting a double-color injection molding process, and the key cap 1, the annular elastic body sealing ring 2 and the outer shell 3 are connected into a whole by injection molding. The local part of the key cap 1 is embedded in the annular elastic body sealing ring 2. The arrangement can ensure the waterproof and dustproof performance of the part connected among the key cap 1, the annular elastic body sealing ring 2 and the outer shell 3. The annular elastomer sealing ring 2 is made of TPE materials.
As shown in fig. 4 and 5, the outer wall of one end of the key cap 1 connected to the annular elastomer sealing ring 2 protrudes radially outward to form a plurality of connecting protrusions 101, the annular elastomer sealing ring 2 is formed with a first connecting groove 201 with a matched shape by injection molding at a corresponding position, the connecting protrusions 101 are of a T-shaped structure, the width of the outer end is greater than that of the inner end, and the connecting protrusions 101 are distributed at equal intervals. Therefore, the key cap 1 and the annular elastic body sealing ring 2 which are connected through injection molding can form a stable connection relationship, and the two are prevented from being separated.
The axial bulge of one end of the annular elastomer sealing ring 2 connected with the outer shell 3 forms a connecting ring 202, the corresponding position of the outer shell 3 is integrally formed with a second connecting groove 301 by injection molding, thus the contact area between the annular elastomer sealing ring 2 connected by injection molding and the outer shell 3 is larger, the combination effect is better,
the key cap 1 comprises a pressing portion 102 located at the outer end and an extending portion 103 located at the inner end, the width of the pressing portion 102 is smaller than that of the extending portion 103, the pressing portion and the extending portion are in transition through a step 104, during installation, as shown in fig. 10, only the pressing portion 102 is exposed relative to the automobile shell 11 and used for being pressed, the step 104 is partially located on the inner side of the automobile shell 11 to form an effect of blocking mud and direct illumination of strong light, and the annular elastic body sealing ring 2 is integrally located in the automobile shell 11.
Annular elastomer sealing washer 2 wholly is similar toper structure, and the width or the diameter of the one end that links to each other with shell body 3 are greater than and press the width or the diameter of the one end that links to each other with key cap 1, and the one end that links to each other with shell body 3 is bellied annular portion, and the surface that shell body 3 was kept away from to annular portion is equipped with the sealing part 203 with the local sealed complex of automobile housing 11. In this embodiment, the sealing portion 203 is a plurality of concentrically arranged inner and outer annular protrusions.
The outer shell 3 is provided with at least two connecting portions 302 provided with connecting holes at the periphery thereof, and as shown in fig. 10, the connecting portions 302 are mounted on the inner wall of the automobile shell 11 by connecting screws.
In actual installation, as shown in fig. 10, the key switch is installed in the inclined automobile casing 11, the upper end of the sealing portion 203 is in sealing fit with the inner wall of the automobile casing 11, and the lower end of the sealing portion forms an outflow gap, water flow on the outer wall can enter the cavity between the automobile casing 11 and the annular elastic body sealing ring 2 from the gap between the automobile casing 11 and the key cap 1, and then flows out downwards through the outflow gap without contacting with the circuit connection portion.
As shown in fig. 6, a circuit board limiting ring 401 is arranged on the base 4, a circuit board limiting groove is formed in the circuit board limiting ring 401, the circuit board 5 is fixed in the circuit board limiting groove, a connecting lead through hole 402 is arranged on the base 4, the connector 6 is provided with a connecting lead 601, the connecting lead 601 penetrates through the connecting lead through hole 402 to be welded with the circuit board 5, and the connecting lead 601 and the connecting lead through hole 402 are matched in shape to form a tight fit therebetween, so that a good sealing effect is achieved.
The base 4 is provided with a positioning convex column 403, the circuit board 5 is correspondingly provided with a positioning hole, and the positioning convex column 403 is matched with the positioning hole in an inserting manner, so that the circuit board 5 does not deviate relative to the base 4.
As shown in fig. 7 and 8, the periphery of the waterproof elastic gasket 7 is protruded to form a convex ring part 701, the upper end surface of the convex ring part 701 is a smooth convex curved surface, and the inner wall of the outer shell 3 is provided with a rectangular groove 303 matched with the convex ring part 701. The outer shell 3 and the base 4 are connected and fastened through a threaded fastener, and the periphery of the waterproof elastic gasket 7 is extruded and deformed between the outer shell and the base to form a sealing ring with a better sealing effect. The part of the waterproof elastic gasket 7 corresponding to the microswitch 10 is a first bulge 702 covering the microswitch 10. The waterproof elastic gasket 7 is provided with a second convex portion 703 which is sleeved outside the positioning convex column 403 and is matched with the positioning convex column 403 in shape, corresponding to the positioning convex column 403.
The inner shell 8 is fixed between the waterproof elastic gasket 7 and the outer shell 3, as shown in fig. 9, an ejector rod limiting groove 801 is arranged in the inner shell 8, and the ejector rod 9 is limited in the ejector rod limiting groove 801 and can slide up and down. The end face of the inner shell 8 close to the waterproof elastic gasket 7 is provided with a plurality of first positioning lugs 802, the waterproof elastic gasket 7 is correspondingly provided with a plurality of first positioning grooves 704 with adaptive shapes, and the first positioning grooves 704 are matched with each other to form a stable linkage connection relationship.
The outer wall of the inner casing 8 is provided with a plurality of second positioning bumps 803, as shown in fig. 5, the inner wall of the outer casing 3 is correspondingly provided with a plurality of second positioning grooves 304 with adaptive shapes, and the second positioning grooves are mutually inserted and matched to avoid the rotation of the inner casing 8 relative to the outer casing 3.
The outer wall of the inner shell 8 is provided with a plurality of axial limiting sliding grooves 804, as shown in fig. 5, the inner wall of the key cap 1 is correspondingly provided with a plurality of axial limiting sliding blocks 105, and the axial limiting sliding blocks 105 and the axial limiting sliding blocks are mutually inserted and matched.
The connector 6 is a waterproof wire harness connector assembly.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, therefore, all equivalent variations of the present invention are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a can adorn at outside novel key switch structure of automobile body, includes casing, circuit board (5), connector (6), its characterized in that: the shell comprises a key cap (1), an annular elastic body sealing ring (2), an outer shell (3) and a base (4) which are sequentially connected, a closed inner cavity is formed among the key cap (1), the annular elastic body sealing ring (2), the outer shell (3) and the base (4) which are sequentially connected, the circuit board (5) is arranged in the closed inner cavity, and the base (4) is connected with the connector (6) and enables the connector (6) to be electrically connected with the circuit board (5); annular elastomer sealing washer (2), shell body (3) are for adopting double-colored injection molding technology at the outer integrative injection moulding in key cap (1) local position, inlay according to key cap (1) local position and locate annular elastomer sealing washer (2) in.
2. The novel key switch structure mountable on the outside of a vehicle body according to claim 1, characterized in that: the key cap (1) and the outer wall of one end connected with the annular elastomer sealing ring (2) are radially outwards protruded to form a connecting convex block (101), and the annular elastomer sealing ring (2) is integrally formed with a first connecting groove (201) in a shape matched with the corresponding position in an injection molding mode.
3. The novel key switch structure mountable on the outside of a vehicle body according to claim 2, characterized in that: the connecting lug (101) is of a T-shaped structure, the width of the outer end of the connecting lug is larger than that of the inner end of the connecting lug, and the connecting lug (101) is provided with a plurality of connecting lugs which are distributed at equal intervals.
4. The novel push switch structure mountable on the outside of a vehicle body according to claim 1, characterized in that: annular elastomer sealing washer (2) and shell body (3) one end axial bulge that links to each other form go-between (202), shell body (3) correspond the position integrative injection moulding have second connecting groove (301).
5. The novel push switch structure mountable on the outside of a vehicle body according to claim 1, characterized in that: the key cap (1) comprises a pressing part (102) positioned at the outer end and an extending part (103) positioned at the inner end, wherein the width of the pressing part (102) is smaller than that of the extending part (103), and the pressing part (102) and the extending part (103) are transited through a step (104); annular elastomer sealing washer (2) wholly is a class toper structure, and the width or the diameter of the one end that links to each other with shell body (3) are greater than and press the width or the diameter of the one end that links to each other with key cap (1), and the one end that links to each other with shell body (3) is bellied annular portion, and the surface that shell body (3) were kept away from to annular portion is equipped with and seals complex sealing part (203) with car casing (11) local seal.
6. The novel key switch structure mountable on the outside of a vehicle body according to claim 1, characterized in that: the outer shell (3) and the base (4) are detachably connected and fastened, a waterproof elastic gasket (7) is arranged between the outer shell (3) and the base (4), the waterproof elastic gasket (7) is circumferentially fixed between the outer shell (3) and the base (4) to enable the outer shell (3) and the base (4) to form sealing, and the circuit board (5) is arranged between the waterproof elastic gasket (7) and the base (4); be equipped with interior casing (8) between waterproof elastic gasket (7) and shell body (3), be equipped with in interior casing (8) ejector pin (9) just ejector pin (9) are spacing can follow the straight line and slide in interior casing (8), ejector pin (9) both ends cooperate with waterproof elastic gasket (7) and key cap (1) respectively, correspond on circuit board (5) the position of ejector pin (9) is equipped with micro-gap switch (10), can trigger micro-gap switch (10) through pressing key cap (1).
7. The novel key switch structure mountable on the outside of a vehicle body according to claim 6, characterized in that: the base (4) is provided with a positioning convex column (403), the circuit board (5) is correspondingly provided with a positioning hole, and the positioning convex column (403) is in inserted fit with the positioning hole; the part of the waterproof elastic gasket (7) corresponding to the microswitch (10) is a first bulge part (702) covered outside the microswitch (10); the waterproof elastic gasket (7) is provided with a second bulge (703) corresponding to the positioning convex column (403), sleeved outside the positioning convex column (403) and matched with the positioning convex column (403) in shape.
8. The novel key switch structure mountable on the outside of a vehicle body according to claim 6, characterized in that: a plurality of first positioning lugs (802) are arranged on the end face, close to the waterproof elastic gasket (7), of the inner shell (8), a plurality of first positioning grooves (704) in matched shapes are correspondingly arranged on the waterproof elastic gasket (7), and the first positioning lugs (802) are mutually spliced and matched with the first positioning grooves (704); the outer wall of the inner shell (8) is provided with a plurality of second positioning lugs (803), the inner wall of the outer shell (3) is correspondingly provided with a plurality of second positioning grooves (304) with adaptive shapes, and the second positioning lugs and the second positioning grooves are mutually inserted and matched; a plurality of axial limiting sliding grooves (804) are formed in the outer wall of the inner shell (8), a plurality of axial limiting sliding blocks (105) are correspondingly arranged on the inner wall of the key cap (1), and the axial limiting sliding grooves and the key cap are mutually matched in an inserted mode.
9. The novel key switch structure mountable on the outside of a vehicle body according to claim 6, characterized in that: waterproof elastic gasket (7) circumference arch forms protruding ring portion (701), and protruding ring portion (701) up end is smooth convex surface, shell body (3) inner wall be equipped with protruding ring portion (701) complex rectangle recess (303).
10. The novel push switch structure mountable on the outside of a vehicle body according to claim 1, characterized in that: the connector (6) adopts a waterproof wire harness connector assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221770104.7U CN217822476U (en) | 2022-07-07 | 2022-07-07 | Can adorn at outside novel key switch structure of automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221770104.7U CN217822476U (en) | 2022-07-07 | 2022-07-07 | Can adorn at outside novel key switch structure of automobile body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217822476U true CN217822476U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221770104.7U Active CN217822476U (en) | 2022-07-07 | 2022-07-07 | Can adorn at outside novel key switch structure of automobile body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217822476U (en) |
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2022
- 2022-07-07 CN CN202221770104.7U patent/CN217822476U/en active Active
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| GR01 | Patent grant | ||
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Address after: No. 289 and 291, Binhai Second Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 325000 Patentee after: Zhejiang Changjiang Automobile Electronics Co.,Ltd. Address before: No.289, Binhai 2nd Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province 325000 Patentee before: WENZHOU CHANGJIANG AUTOMOBILE ELECTRONIC SYSTEM Co.,Ltd. |