CN220796528U - Key switch with trigger travel and skirting switch for closestool - Google Patents

Abstract

The utility model provides a key switch with a trigger stroke and a skirting switch for a closestool, which comprise a shell, wherein a containing cavity is arranged in the shell, an electronic switching device is arranged in the containing cavity, the electronic switching device is provided with a trigger head, a key is movably attached to the shell, a push rod is arranged between the key and the trigger head, the key is connected with the push rod through a first elastic piece, and one end of the push rod, which is away from the key, abuts against the trigger head of the electronic switching device. An elastic piece is arranged between the ejector rod and the key, so that the ejector rod can be driven to move together when the key is pressed, when the ejector rod touches an electronic device, the ejector rod stops moving due to the blocking force until the pressing stroke is increased, the elastic piece is used for increasing the elastic force of the ejector rod, the key switch is provided with a triggering stroke, and real triggering is realized, so that the problem that the long stroke is difficult to trigger can be solved, and the electronic device is prevented from being subjected to larger pressure.

Description

Key switch with trigger travel and skirting switch for closestool

Technical Field

The utility model relates to the technical field of key switches, in particular to a key switch with a trigger stroke and a skirting switch for a closestool.

Background

At present, a plurality of electric control keys are structured by connecting a key with an ejector rod to touch an electronic device (such as a tact switch/a dome sheet, etc.) at the bottom, so as to realize the opening/closing functions of the electric control keys.

In the key structure, the ejector rod and the key are integrated, so that the movement stroke is the same, and the ejector rod and the key are in hard-touch and hard-fit when the electronic device is pressed. The electronic key has small triggering stroke, and if the key is required to have a larger movement stroke, the key has a longer idle stroke, so that the key is not easy to trigger; or the key/ejector rod triggers the electronic device with larger force, so that the electronic device is damaged;

because the use habits of users are different, some users have short pressing strokes and some users have long pressing strokes; when the stroke is short, there may be a case that the trigger cannot be triggered, and when the pressing stroke is long, the electronic switching device may be damaged due to excessive pressure.

Disclosure of Invention

In order to solve the problems, the technical scheme adopted by the utility model is to provide a key switch with a trigger stroke and a skirting switch for a toilet, wherein an elastic piece is arranged between a key and a push rod, or an elastic piece is arranged between an electronic switching device and a shell, so that the key is prevented from directly transmitting force to the electronic switching device.

The utility model is realized by the following steps:

the utility model provides a key switch with trigger stroke, includes the casing, be provided with in the casing and hold the chamber, hold the intracavity and be provided with electronic switch device, electronic switch device has the trigger head, movable attachment has the button on the casing, be provided with on the button can be relative the ejector pin of button activity, the button with be equipped with first elastic component between the ejector pin, the button passes through the ejector pin is pressed electronic switch device's trigger head presses the in-process of button, the ejector pin deviates from the button one end with electronic switch device's trigger head looks back, the ejector pin can be relative the button removes and compresses first elastic component.

In an embodiment of the utility model, an abutting portion is disposed at a bottom of the ejector rod, one end of the first elastic member abuts against the key, and the other end of the first elastic member abuts against the abutting portion.

In an embodiment of the present utility model, a rubber pad is sleeved under the abutting portion.

In an embodiment of the utility model, a movable cavity is arranged below the key, the ejector rod is movably arranged in the movable cavity, and the first elastic piece is arranged between the movable cavity and the ejector rod.

In one embodiment of the utility model, a baffle is arranged in the movable cavity, a guide hole is formed in the baffle, and the ejector rod passes through the guide hole and is used for guiding the ejector rod to move; the bottom periphery of ejector pin encircles and is provided with spacing convex part, the one end of first elastic component supports on the baffle, the other end of first elastic component is provided with supports spacing convex part.

In an embodiment of the utility model, the first elastic member is a spring or a rubber member.

In an embodiment of the utility model, the electronic switching device comprises a tact switch or a dome.

In an embodiment of the utility model, a second elastic member is disposed between the key and the housing, and is used for providing an elastic force for the key to reset.

In an embodiment of the utility model, the key comprises a key cover and a key seat, wherein the key cover is fixed on the key seat, the key seat extends into the accommodating cavity of the shell, and a switch mounting seat is arranged at the bottom of the accommodating cavity of the shell and is used for mounting the electronic switch device.

The utility model also provides a key switch with a triggering stroke, which comprises a shell, wherein an accommodating cavity is arranged in the shell, an electronic switching device is arranged in the accommodating cavity, the electronic switching device is provided with a triggering head, a key is movably arranged on the shell, a third elastic piece is arranged between the electronic switching device and the shell, and after the key is abutted against the triggering head of the electronic switching device in the process of pressing the key, the electronic switching device can move relative to the shell and compress the third elastic piece.

The utility model further provides a kick switch for a toilet, comprising a push button switch having a trigger stroke as described above. The switch is prevented from being damaged due to the fact that the force of the foot kicks.

The utility model has the beneficial effects that: the utility model provides a key switch with a trigger stroke and a skirting switch for a closestool, which have at least the following technical effects compared with the prior art: 1. the push rod is elastically connected with the key, and the elastic piece is arranged between the push rod and the key, so that the push rod can be driven to move together when the key is pressed, and the push rod stops moving due to the blocking force when the push rod touches an electronic device until the pressing stroke is increased, so that the elastic piece is used for increasing the elastic force of the push rod, the key switch is provided with a triggering stroke, the actual triggering is realized, the electronic switch device can be prevented from being subjected to larger pressure, the problem that the electronic switch device is not easy to trigger due to the long stroke can be solved, and the service life of the switch can be effectively prolonged. 2. In addition, an elastic piece can be arranged between the electronic switching device and the shell and used for absorbing impact force, when the stroke component of the key is increased, the elastic piece is compressed, the compression degree is gradually increased along with the stroke of the key, and then the force fed back to the electronic switching device is increased to trigger the trigger head of the electronic switching device, so that the key switch has the trigger stroke, the real trigger is realized, and the electronic switching device is prevented from being subjected to larger pressure. 3. The rubber cushion is sleeved on the abutting part to further prevent the ejector rod from being in hard contact with the electronic switching device, so that the electronic switching device can be further protected. 4. The ejector rod is arranged in the movable cavity of the key, the partition plate provided with the guide hole is arranged in the movable cavity and used for guiding and positioning the ejector rod, the motion of the key is guided, the impact possibly received by the key in the motion process is reduced, the key is protected, and the force transmitted to the ejector rod by the elastic piece is ensured to be stable.

Drawings

Fig. 1 is a schematic structural diagram of a key switch with a trigger stroke according to a first embodiment of the present utility model.

Fig. 2 is a schematic diagram of an external structure of a key switch with a trigger stroke according to a first embodiment of the present utility model.

Fig. 3 is a schematic diagram of a key switch with a trigger stroke in an unactuated state according to a first embodiment of the present utility model.

FIG. 4 is a schematic diagram showing a key switch with a trigger stroke after triggering according to a first embodiment of the present utility model;

fig. 5 is a cross-sectional view of a key switch with trigger travel according to a second embodiment of the present utility model.

Reference numerals illustrate: 1-a shell, 11-a switch mounting seat; the electronic switch comprises a 2-electronic switch device, a 3-key, a 31-key cover, a 32-key seat, a 33-movable cavity, a 34-partition board, a 4-ejector rod, a 41-abutting part, a 5-first elastic piece, a 6-rubber cushion, a 7-second elastic piece and an 8-third elastic piece.

Detailed Description

The utility model will be further described with reference to the drawings and specific examples.

Example 1

Referring to fig. 1 to 4, a key switch with a trigger stroke includes a housing 1, a receiving cavity is provided in the housing 1, an electronic switch device 2 is provided in the receiving cavity, the electronic switch device 2 has a trigger head, a key 3 is movably attached to the housing 1, a push rod 4 capable of moving relative to the key 3 is provided on the key 3, a first elastic element 5 is provided between the key 3 and the push rod 4, the key 3 presses the trigger head of the electronic switch device 2 through the push rod 4, and after one end of the push rod 4 away from the key 3 is abutted against the trigger head of the electronic switch device 2, the push rod 4 can move relative to the key 3 and compress the first elastic element 5. The ejector rod 4 is elastically connected with the key 3, and an elastic piece is arranged between the ejector rod 4 and the key 3, so that the key 3 can drive the ejector rod 4 to move together when being pressed, when the ejector rod 4 touches an electronic device, the ejector rod 4 stops moving due to the blocking force until the pressing stroke is increased, the elastic piece is used for increasing the elastic force of the ejector rod 4, and the actual triggering is realized, so that the electronic switch device can be prevented from being subjected to larger pressure, the problem that the electronic switch device is not easy to trigger due to long stroke can be solved, and the service life of the switch can be effectively prolonged.

Referring to fig. 1 to 4, in an embodiment of the utility model, an abutting portion 41 is disposed at a bottom of the ejector rod 4, one end of the first elastic member 5 abuts against the key 3, and the other end of the first elastic member 5 abuts against the abutting portion 41. The first elastic piece is limited between the key 3 and the ejector rod 4, and plays a role in buffering and damping, so that the key 3 is prevented from directly transmitting force to the ejector rod 4 to be in hard contact with the trigger head of the electronic switch device 2.

Referring to fig. 1 to 4, in an embodiment of the utility model, the rubber pad 6 is sleeved under the abutting portion 41. Hard contact of the ejector rod 4 with the electronic switching device 2 can be further avoided, and the electronic switching device 2 can be further protected.

Referring to fig. 1 to 4, in an embodiment of the present utility model, a movable cavity 33 is disposed under the key 3, the ejector rod 4 is movably mounted in the movable cavity 33, and the first elastic member 5 is disposed between the movable cavity 33 and the ejector rod 4. The movable cavity 33 is used for installing and connecting the first elastic piece 5 and the ejector rod 4, and plays a role in limiting the movement of the ejector rod 4.

Referring to fig. 1 to 4, in an embodiment of the present utility model, a partition 34 is disposed in the movable cavity 33, a guide hole is formed in the partition 34, and the ejector rod 4 passes through the guide hole and is used for guiding the ejector rod 4 to move; the bottom periphery of ejector pin 4 encircles and is provided with spacing convex part, the one end of first elastic component 5 supports on the baffle 34, the other end of first elastic component 5 is provided with and supports spacing convex part. The head of the ejector rod 4 penetrates into the guide hole, the guide hole plays a role in limiting and guiding the movement of the ejector rod 4, the stable movement direction of the ejector rod 4 is ensured, and the problem that the ejector rod 4 is inclined and broken is avoided. The partition 34 and the limiting protruding parts can play a limiting role on the elastic piece, so that the elastic piece is guaranteed to be stressed and compressed, and the ejector rod 4 can be accurately reset after the force acting on the key 3 is removed.

Referring to fig. 1 to 4, in an embodiment of the utility model, the first elastic member 5 is a spring, a rubber member, or a silicone member. Can absorb energy, buffer elastic deformation and reset. One end of the spring abuts against the partition 34, and the other end abuts against the limit projection.

Referring to fig. 1 to 4, in an embodiment of the present utility model, the electronic switch device 2 is a tact switch, or a dome sheet.

Referring to fig. 1, 3 and 4, in an embodiment of the present utility model, a second elastic member 7 is disposed between the key 3 and the housing 1, for providing an elastic force for resetting the key 3.

Referring to fig. 1 to 4, in an embodiment of the present utility model, the key 3 includes a key cover 31 and a key base 32, wherein the key cover 31 is fixed on the key base 32, specifically, the key cover 31 and the key base 32 are integrally formed, and in other embodiments, the key cover 31 and the key base 32 may be fixedly connected after being separately formed; the button seat 32 wears to establish in the holding chamber of casing 1, the holding chamber bottom of casing 1 is provided with switch mount pad 11 for the installation electronic switching device 2, the one end butt of second elastic component 7 button seat 32, the other end butt of second elastic component 7 switch mount pad 11. The cooperation of the key seat 32 and the accommodating cavity plays a role in guiding the operation of the key 3, and the switch mounting seat 11 can be used for mounting the electronic switch device 2 on one hand and connecting the second elastic piece 7 between the key seat 32 and the shell 1 on the other hand, so that the reset after the key 3 is pressed is realized. The second elastic member 7 may be a spring or a rubber member.

The utility model has the following working principle:

when external acting force is applied to the key 3, the key 3 transmits force to the ejector rod 4 through the elastic piece, the bottom of the ejector rod 4 contacts with the trigger head in the electronic switching device 2, but the acting force at the moment is insufficient to trigger the trigger head of the electronic switching device 2, the ejector rod 4 stops moving under the resistance of the electronic switching device 2, the acting force is continuously applied to the key 3, the second elastic piece 7 is continuously extruded, the first elastic piece of the second elastic piece 7 for increasing the elastic force of the ejector rod 4 is continuously extruded, the force applied to the electronic switch is increased, the ejector rod 4 can trigger the trigger head of the electronic switching device 2, and real triggering is realized, so that the electronic device can be prevented from being subjected to larger pressure, the problem that long-stroke electronic switching device is difficult to trigger can be solved, and the service life of the switch can be effectively increased. When the key is subjected to larger force application, the electronic switch can be ensured to maintain a relatively stable trigger force value, and damage can not be caused.

Before triggering:

the key 3 is in an initial position under the action of the second elastic piece 7, and the ejector rod 4 is in the lowest position of the key 3 under the action of the first elastic piece 5, and does not trigger the trigger head of the electronic switch device 2.

When triggering, the following steps:

the key 3 moves downwards under the action of external force to drive the ejector rod 4 to move downwards together and approach the electronic switching device 2 (the electronic switching device 2 is in a fixed position) until the ejector rod 4 contacts with the trigger head of the electronic switching device 2 but is not triggered; the key 3 is continuously pressed down, the ejector rod 4 is resisted by the electronic switching device 2 and stops moving downwards relative to the electronic switching device 2 until the elastic value of the first elastic piece 5 is larger than the triggering force of the electronic switching device 2, and at the moment, the switch is triggered; if the pressing is continued, the stroke of the key 3 is further increased, and the force value of the first elastic member 5 is also increased, but the stress of the electronic switching device 2 is greatly reduced.

Example two

As shown in fig. 5, the present utility model further proposes a key switch with a trigger stroke, including a housing 1, a receiving cavity is provided in the housing 1, an electronic switch device 2 is provided in the receiving cavity, the electronic switch device 2 has a trigger head, a key 3 is movably attached to the housing, a third elastic member 8 is provided between the electronic switch device and the housing, in the process of pressing the key, after the key is abutted to the trigger head of the electronic switch device, the electronic switch device can move relative to the housing and compress the third elastic member 8, the key 3 directly contacts the key switch through a supporting rod 4, the supporting rod 4 can be integrally formed with the key 3 or can be separately assembled and fixed, the key 3 is pressed, the key 3 is abutted to the trigger head of the electronic switch device 2, so that the electronic switch device 2 generates a relative displacement with the housing 1, compresses the third elastic member 8, along with the increase of the compression degree of the third elastic member 8, the acting force fed back to the electronic switch device 2 gradually increases until the trigger head of the electronic switch device 2 is able to be reset through the elastic member 8 between the electronic switch device and the electronic switch device 2, and the electronic switch device can be reset by the elastic member 2 after the electronic switch device is reset by the electronic switch device 2.

The utility model additionally provides a kick switch for a toilet, comprising a push button switch with trigger travel according to any of the embodiments described above. The first elastic piece 5 between the key 3 and the ejector rod 4 in the key 3 switch with the trigger stroke can be used for buffering, or the third elastic piece 8 between the electronic switch device 2 and the shell 1 of the second embodiment can be used for buffering, so that the larger force applied to the key 3 by the absorption foot can play a role in buffering and absorbing energy with the trigger stroke, the trigger stroke is increased, the action force is prevented from being directly and completely applied to the trigger head of the electronic switch device, and the service life of the foot switch is prolonged.

The points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed.

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to the general design, so that the same embodiment and different embodiments of the present disclosure may be combined with each other without conflict.

Finally, the above description is only a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples, but all technical solutions belonging to the concept of the present utility model are within the scope of the present utility model.

It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (11)

1. A push button switch having a trigger stroke, characterized by: the electronic switch device comprises a shell, a containing cavity is formed in the shell, an electronic switch device is arranged in the containing cavity, a trigger head is arranged on the electronic switch device, a key is movably connected to the shell, a push rod capable of moving relative to the key is arranged on the key, a first elastic piece is arranged between the key and the push rod, the key is pressed by the push rod, the trigger head of the electronic switch device is pressed, the push rod is away from one end of the key, and after the trigger head of the electronic switch device is abutted, the push rod can move relative to the key and compress the first elastic piece.

2. A push button switch with trigger travel according to claim 1, wherein: the bottom of ejector pin is provided with the butt portion, the one end butt of first elastic component in the button, the other end butt of first elastic component in the butt portion.

3. A push button switch with trigger travel according to claim 2, wherein: and a rubber pad is sleeved under the abutting part.

4. A push button switch with trigger travel according to claim 1, wherein: the push button is characterized in that a movable cavity is arranged below the push button, the ejector rod is movably arranged in the movable cavity, and the first elastic piece is arranged between the movable cavity and the ejector rod.

5. A push button switch with trigger travel according to claim 4, wherein: a baffle plate is arranged in the movable cavity, a guide hole is formed in the baffle plate, and the ejector rod penetrates through the guide hole and is used for guiding the ejector rod to move; the bottom periphery of ejector pin encircles and is provided with spacing convex part, the one end of first elastic component supports on the baffle, the other end of first elastic component is provided with supports spacing convex part.

6. A push button switch with trigger travel according to claim 1, wherein: the first elastic piece is a spring or a rubber piece.

7. A push button switch with trigger travel according to claim 1, wherein: the electronic switching device comprises a tact switch or a dome.

8. A push button switch with trigger travel according to claim 1, wherein: and a second elastic piece is arranged between the key and the shell and used for providing elastic force for the key to reset.

9. A push button switch with trigger travel according to claim 8, wherein: the button includes button lid and key seat, the button lid is fixed on the key seat, the key seat stretches into in the holding chamber of casing, the holding chamber bottom of casing is provided with the switch mount pad for install electronic switch device.

10. A push button switch having a trigger stroke, characterized by: the electronic switch device comprises a shell, a containing cavity is formed in the shell, an electronic switch device is arranged in the containing cavity, the electronic switch device is provided with a trigger head, a key is movably connected to the shell, a third elastic piece is arranged between the electronic switch device and the shell, the key is pressed in the process of pressing the key, and after the key is abutted to the trigger head of the electronic switch device, the electronic switch device can move relative to the shell and compress the third elastic piece.

11. A kick switch for a toilet, characterized by: comprising a push button switch with a trigger stroke according to any of the claims 1-10.