Key switch

Abstract

The utility model relates to a key switch, which comprises a base and a shell connected with one end above the base, a mounting cavity is arranged in the shell, a seat plate is arranged at one end above the base in the mounting cavity, at least one switch body is arranged above the seat plate, a plug port for connection is arranged at one end below the base, and the switch body is provided with a conductor. Key bodies are arranged corresponding to the switch bodies, a surface cover connecting seat is arranged at one end above the key bodies, a surface cover is detachably arranged on the surface cover connecting seat, a mounting groove matched with the surface cover connecting seat is formed in the surface cover, and clamping grooves penetrating to the mounting groove are formed in the side faces of the two exposed opposite ends of the surface cover respectively; the two opposite sides of the face cover connecting base are provided with matched clamping blocks corresponding to the clamping grooves respectively, the face cover is arranged on the face cover connecting base in a sleeved mode through the installation grooves, the clamping blocks are arranged in the clamping grooves in a clamped mode, the clamping blocks can be separated from the clamping grooves by pressing the clamping blocks or upwarping the side faces, provided with the installation grooves, of the face cover, the face plate can be replaced independently, the replacement cost is reduced, and the replacement efficiency is improved. And resource waste is avoided.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts, and particularly relates to a key switch. Background Art

[0002] Existing automobile key switches generally include a base and a housing connected to one end above the base. An installation cavity is provided inside the housing. A seat plate is provided in the installation cavity at one end above the base. At least one switch body is provided above the seat plate. A conductor is provided at the end of the switch body extending to the base. Corresponding to each switch body, a key body capable of moving up and down and capable of touching the switch body is provided in the installation cavity. The key body is fixedly provided with a panel. The panel is generally provided with patterns such as a LOGO or an indication mark. In the case of long-term finger touch, the LOGO or the indication mark pattern will wear or even disappear. Since the existing panel and the key body are non-detachably connected, if it is necessary to replace the panel with a complete pattern, the entire key switch assembly needs to be replaced. However, at this time, except for the panel, the key switch can be replaced continuously. If replaced as a whole, the replacement cost is high and resource waste is caused. Summary of the Invention

[0003] The technical problem to be solved by the utility model is aimed at the deficiencies of the above-mentioned prior art.

[0004] A key switch is provided, which can replace the panel separately, reduce the replacement cost and avoid resource waste.

[0005] To achieve the above object, the utility model provides the following technical solution: A key switch includes a base and a housing connected to one end above the base. An installation cavity is provided inside the housing. A seat plate is provided in the installation cavity at one end above the base. At least one switch body is provided above the seat plate. An insertion interface for connection is provided at one end below the base. A conductor is provided at the end of the switch body extending to the insertion interface. Corresponding to each switch body, a key body capable of moving up and down and capable of touching the switch body is provided in the installation cavity. The feature is that: A face cover connection seat is provided at one end above the key body. The face cover connection seat is detachably provided with a face cover. The face cover is provided with an installation groove adapted to the face cover connection seat. Through holes extending to the installation groove are respectively opened on the opposite two side surfaces of the exposed face cover. Corresponding to the through holes, engaging blocks are respectively provided on the opposite two sides of the face cover connection seat. The face cover is sleeved on the face cover connection seat through the installation groove, and the engaging blocks are engaged in the through holes. Pressing the engaging blocks or prying up the side surface of the face cover provided with the installation groove can make the engaging blocks disengage from the through holes.

[0006] The utility model with the above characteristics: By pressing the engaging blocks or prying up the face cover, the engaging blocks are disengaged, thereby realizing the detachable of the face cover.

[0007] A further configuration of the utility model is that an inclined surface is arranged on the outer side of the upper end of the clamping block, and an abutting surface adapted to the lower end of the clamping groove is arranged on the lower end of the clamping block.

[0008] The utility model with the above-mentioned characteristics: before the snap-in block enters the snap-in groove, the inclined surface makes it easier to open the side of the face cover with the snap-in groove, so that the snap-in block enters the snap-in groove; after the snap-in block reaches the corresponding position of the snap-in groove, the side of the cover with the snap-in groove is deformed and reset to place the snap-in block in the snap-in groove; the abutting surface is used to abut and limit with the lower end of the snap-in groove to prevent the snap-in block from falling out of the snap-in groove, thereby facilitating assembly.

[0009] The utility model is further configured as follows: a first inclined groove is provided on the side of the face cover below the snap-in groove, the deepest part of the first inclined groove is located at the lowermost end of the side of the face cover, and an opening is formed on the lowermost end of the side of the face cover.

[0010] The utility model with the above characteristics: the side of the clamping block on which the clamping groove is provided when the surface cover is opened is that the first inclined groove further facilitates the clamping block to pass into the clamping groove.

[0011] A further configuration of the utility model is that the surface cover is provided with movable grooves that penetrate into the mounting groove on both sides of the snap-in groove and the first bevel groove, so that the surface cover provided with the snap-in groove and the first bevel groove part constitutes a connecting plate, and only the upper end of the connecting plate is connected to the surface cover, and the connection between the connecting plate and the surface cover can be deformed and reset.

[0012] The utility model with the above-mentioned features: the provision of the movable groove makes the portion of the surface cover provided with the clamping groove and the first inclined groove easier to deform, and it is more convenient to pry open the clamping block to get out of the clamping groove during disassembly.

[0013] A further configuration of the utility model is that the face cover connecting seat is provided with a clamping block movable groove on two opposite sides of the clamping block, so that the face cover connecting seat is provided with a clamping block part to form a clamping block movable plate, and only the upper end of the clamping block movable plate is connected to the face cover connecting seat, and the connection between the clamping block movable plate and the face cover connecting seat can be deformed and reset.

[0014] The utility model with the above characteristics: the provision of the movable groove of the clamping block makes the part of the cover connecting seat provided with the clamping block easier to deform, and when disassembling, it is easier to press the clamping block to disengage it from the clamping groove.

[0015] A further configuration of the utility model is that: sliding grooves are provided on the side surfaces on opposite sides of one end below the button body, and sliding blocks that can move up and down in the sliding grooves are provided on the side walls on opposite sides of the installation cavity of the shell, and the sliding blocks are slidingly fitted in the sliding grooves, and the sliding blocks can slide in the sliding grooves to the end below the button body to touch the switch body.

[0016] The utility model with the above features: the slider moves in the chute, and the displacement distance of the limit key body.

[0017] A further setting of the utility model is that: the key body is provided with a second inclined surface groove below the chute, the deepest part of the second inclined surface groove is located at the lowermost end of the side surface of the key body, and the second inclined surface groove is provided with an opening at the lowermost end of the side surface of the key body.

[0018] The utility model with the above features: the setting of the second inclined surface groove makes it easier for the slider to enter the chute when the key body is assembled.

[0019] A further setting of the utility model is that: a light-transmitting groove is provided at one end above the face cover, a light-transmitting plate is provided in the light-transmitting groove, a light guide plate is provided below the light-transmitting groove of the key body, the base plate is provided with a light source lamp linked to the switch body, and the light of the light source lamp can be transmitted along the light guide plate to the light-transmitting plate and emitted from the light-transmitting plate.

[0020] The utility model with the above features: after the key body touches the switch body to open the subsequent mechanism, the light of the light source lamp is transmitted by the light guide plate to the light-transmitting plate to emit a light signal.

[0021] A further setting of the utility model is that: the switch body is a self-locking switch or a touch switch.

[0022] A further setting of the utility model is that: when there are two or more switch bodies, all the switch bodies are self-locking switches or all are touch switches or a combination of self-locking switches and touch switches.

[0023] The utility model with the above features: the selection of a self-locking switch or a touch switch or a combination of a self-locking switch and a touch switch for the switch body can achieve different pressing touches.

[0024] The beneficial effect of the utility model is that: the panel can be replaced separately, reducing the replacement cost and avoiding waste of resources.

[0025] The following further describes the utility model in detail with reference to the drawings and embodiments. Description of the Drawings

[0026] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model.

[0027] Figure 2 It is an exploded schematic diagram of an embodiment of the utility model.

[0028] Figure 3 It is a three-dimensional schematic diagram of the housing of an embodiment of the utility model.

[0029] Figure 4 It is a three-dimensional schematic diagram of the face cover of an embodiment of the utility model.

[0030] Figure 5 This is a three-dimensional schematic diagram of the base in the embodiment of the present utility model.

[0031] Figure 6 This is a three-dimensional schematic diagram of the face cover provided with a movable groove in the embodiment of the present utility model.

[0032] Figure 7 This is a three-dimensional schematic diagram of the face cover connecting seat of the key body in the embodiment of the present utility model, which is provided with a clamping block movable groove. Detailed implementation manners

[0033] Such as Figure 1 —— Figure 5A key switch shown in the figure comprises a base 1 and a shell 2 connected to the upper end of the base 1 by a snap, a mounting cavity 3 is provided in the shell 2, a seat plate 4 is provided in the mounting cavity 3 at the upper end of the base 1, at least one switch body 5 is provided above the seat plate 4, two switch bodies 5 are provided in this embodiment, a plug interface 6 for connection is provided at the lower end of the base 1, and a conductor 22 is provided at the plug interface of the switch body 5 extending to the plug interface, and a key body 7 that can move up and down and can touch the switch body 5 is provided in the mounting cavity 3 corresponding to each switch body 5, a surface cover connecting seat 8 is provided at the upper end of the key body 7, and the surface cover connecting seat 8 is detachably provided with a surface cover 9, and the surface cover 9 is provided with a mounting groove 901 adapted to the surface cover connecting seat 8, and the surface The exposed sides of the cover 9 at both ends are respectively provided with snap-in grooves 902 that penetrate into the mounting groove 901, and the corresponding snap-in blocks 10 are respectively provided with corresponding snap-in grooves 902 on the opposite sides of the surface cover connecting seat 8. The surface cover 9 is sleeved on the surface cover connecting seat 8 through the mounting groove 901, and the snap-in blocks 10 are snap-in arranged in the snap-in groove 902. Pressing the snap-in blocks 10 or tilting the side of the surface cover 9 with the mounting groove 902 can make the snap-in blocks 10 disengage from the snap-in groove 902. The side of the surface cover 9 with the snap-in groove 902 and the part of the surface cover connecting seat 8 with the snap-in block 10 can be deformed and reset. The outer side of the upper end of the snap-in block 10 is provided with an inclined surface, and the lower end of the snap-in block 10 is provided with a snap-in block that is adapted to the lower end of the snap-in groove 902. Abutting surface, the side surface of the face cover 9 is provided with a first bevel groove 11 below the snap-in groove 902, the deepest depth of the first bevel groove 11 is located at the lowest end of the side surface of the face cover 9, and the first bevel groove 11 is opened at the lowest end of the side surface of the face cover 9, and a slide groove 701 is provided on the side surfaces on both sides of the lower end of the key body 7, and the shell 2 is provided with a slider 12 that can move up and down in the slide groove 701 on the side walls on both sides of the mounting cavity 3, the slider 12 is slidably arranged in the slide groove 701, and the slider 12 can slide in the slide groove 701 to the lower end of the key body 7 to touch the switch body 5, and the key body 7 is provided with a second bevel groove 13 below the slide groove 701, and the deepest depth of the second bevel groove 13 is located at the key The bottom end of the side of the main body 7 and the second bevel groove 13 are opened at the bottom end of the side of the key body 7, a light-transmitting groove 14 is opened at the upper end of the face cover 9, a light-transmitting groove 14 is provided, a light-transmitting plate 15 is provided in the light-transmitting groove 14, the key body 7 is provided with a light guide plate 16 below the light-transmitting groove 14, the seat plate 4 is provided with a light source lamp 17 linked with the switch body 5, the light of the light source lamp 17 can be transmitted along the light guide plate 16 to the light-transmitting plate 15 and transmitted from the light-transmitting plate 15, the switch body 5 is a self-locking switch or a touch switch, when the switch body 5 is provided with two or more, the switch body 5 are all self-locking switches or are all touch switches or a combination of self-locking switches and touch switches, and the base 1 is also provided with a slot 23 for adding an external mechanism.

[0034] like Figure 6As shown in the figure, on both sides of the clamping groove 902 and the first inclined groove 11 of the face cover 9, there are movable grooves 18 penetrating through to the installation groove 901, so that the part of the face cover 9 provided with the clamping groove 902 and the first inclined groove 11 constitutes a connecting plate 19. Only the upper end of the connecting plate 19 is connected to the face cover 9, and the connection between the connecting plate 19 and the face cover 9 can be deformed and reset.

[0035] As Figure 7 shown in the figure, on opposite sides of the clamping block 10 of the face cover connecting seat 8, there are clamping block movable grooves 20, so that the part of the face cover connecting seat 8 provided with the clamping block 10 constitutes a clamping block movable 21 plate. Only the upper end of the clamping block movable plate 21 is connected to the face cover connecting seat 8, and the connection between the clamping block movable plate 21 and the face cover connecting seat 8 can be deformed and reset.

[0036] Any one of the above-mentioned movable grooves 18 and the clamping block movable grooves 20 can be set, or both can be set at the same time.

Claims

1. A key switch, comprising a base and a housing connected to one end above the base. An installation cavity is provided in the housing. A seat plate is provided in the installation cavity at one end above the base. At least one switch body is provided above the seat plate. An insertion interface for connection is provided at one end below the base. A conductor is provided where the switch body extends to the insertion interface. A key body that can move up and down and can touch the switch body is provided in the installation cavity corresponding to each switch body. It is characterized in that: A face cover connecting seat is provided at one end above the button body, and the face cover connecting seat is detachably provided with a face cover, and the face cover is provided with a mounting groove adapted to the face cover connecting seat, and the exposed opposite end sides of the face cover are respectively provided with clamping grooves that penetrate into the mounting grooves, and the corresponding clamping grooves on the opposite sides of the face cover connecting seat are respectively provided with adapted clamping blocks, the face cover is sleeved on the face cover connecting seat through the mounting groove, and the clamping block is clamped in the clamping groove, and the clamping block can be disengaged from the clamping groove by pressing the clamping block or tilting up the side of the face cover provided with the mounting groove.

2. The push-button switch according to claim 1, characterized in that: An inclined surface is arranged on the outer side of the upper end of the clamping block, and an abutting surface adapted to the lower end of the clamping groove is arranged on the lower end of the clamping block.

3. The push-button switch according to claim 1, characterized in that: The side surface of the face cover is provided with a first inclined groove below the clamping groove, the deepest part of the first inclined groove is located at the lowermost end of the side surface of the face cover, and the first inclined groove is provided with an opening at the lowermost end of the side surface of the face cover.

4. A key switch according to claim 1 or 2 or 3, characterized in that: The surface cover is provided with movable grooves that penetrate into the installation groove on both sides of the clamping groove and the first inclined groove, so that the surface cover provided with the clamping groove and the first inclined groove part constitutes a connecting plate, and only the upper end of the connecting plate is connected to the surface cover, and the connection between the connecting plate and the surface cover can be deformed and reset.

5. A push-button switch according to claim 1 or 2 or 3, characterized in that: The face cover connecting seat is provided with a clamping block movable groove on two opposite sides of the clamping block, so that the face cover connecting seat is provided with a clamping block part to form a clamping block movable plate, and only the upper end of the clamping block movable plate is connected to the face cover connecting seat, and the connection between the clamping block movable plate and the face cover connecting seat can be deformed and reset.

6. The push-button switch according to claim 1, characterized in that: The side surfaces at opposite sides of one end below the button body are provided with sliding grooves, and the side walls at opposite sides of the mounting cavity of the shell are provided with sliding blocks that can move up and down in the sliding grooves. The sliding blocks are slidingly fitted in the sliding grooves, and the sliding blocks can slide in the sliding grooves to one end below the button body to touch the switch body.

7. A push-button switch according to claim 1 or 6, characterized in that: The key body is provided with a second inclined groove below the slide groove, the second inclined groove is at its deepest point at the lower end of the key body side surface, and the second inclined groove is provided with an opening at the lower end of the key body side surface.

8. A push-button switch according to claim 1, characterized in that: A light-transmitting groove is opened at one end above the surface cover, a light-transmitting plate is arranged in the light-transmitting groove, a light-guiding plate is arranged below the light-transmitting groove on the button body, and a light source lamp linked to the switch body is arranged on the base plate, and the light of the light source lamp can be transmitted along the light-guiding plate to the light-transmitting plate and out from the light-transmitting plate.

9. The push-button switch according to claim 1, characterized in that: The switch body is a self-locking switch or a touch switch.

10. A push-button switch according to claim 1 or 9, characterized in that: When two or more switch bodies are provided, the switch bodies are all self-locking switches or all light-touch switches or a combination of a self-locking switch and a light-touch switch.

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