CN211743011U

CN211743011U - Microswitch triggering structure for cleaning tool

Info

Publication number: CN211743011U
Application number: CN201922423546.9U
Authority: CN
Inventors: 李敬; 陈浩; 刘宏伟; 吴斌; 张勇健
Original assignee: Jiaxing Fute Plastic Electric Co ltd
Current assignee: Jiaxing Fute Plastic Electric Co ltd
Priority date: 2019-10-22
Filing date: 2019-12-27
Publication date: 2020-10-23
Anticipated expiration: 2029-12-27

Abstract

The application belongs to the technical field of equipment switches, and relates to a microswitch triggering structure for a cleaning tool, which comprises a base and a microswitch arranged on the base, and further comprises a triggering device, wherein the triggering device comprises an elastic part connected with a lifting seat; the movable part is movably connected to the base; the base is provided with a first limiting part, and when the moving part rotates to be limited by the first limiting part, the lifting seat overcomes the resistance of the elastic piece to trigger the microswitch. Adopt trigger device to trigger micro-gap switch in this application, can realize pressing the spacing of stroke to micro-gap switch to prevent that the micro-gap switch atress from too big causing the damage, its simple structure, convenient operation is applicable to mopping machine or other electronic cleaning equipment.

Description

Microswitch triggering structure for cleaning tool

Technical Field

The utility model belongs to the technical field of the equipment switch, relate to micro-gap switch, especially relate to a micro-gap switch triggers structure for burnisher.

Background

The mechanical equipment usually utilizes the micro-gap switch to switch the working mode, and in the prior art, a convex rib is used for directly applying external mechanical force to a driving piece of the micro-gap switch to enable the micro-gap switch to reach a trigger state, but the structure acts on the driving piece of the micro-gap switch for a long time to enable the driving piece to be overloaded, so that the micro-gap switch is easy to damage, and the service life of the micro-gap switch is influenced.

Disclosure of Invention

It is an object of the present application to address the above-mentioned problems, to provide a microswitch actuation arrangement for a cleaning tool; the technical problem that the load of a driving piece of the microswitch in the prior art is too large and therefore the microswitch is easy to damage is solved.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the present application creatively provides a micro-gap switch trigger structure for burnisher, including the base with locate the micro-gap switch on the base, micro-gap switch trigger structure still includes trigger device, this trigger device includes:

the elastic piece is connected with the lifting seat;

the movable part is movably connected to the base;

the base is provided with a first limiting part, and when the moving part rotates to be limited by the first limiting part, the lifting seat overcomes the resistance of the elastic piece to trigger the microswitch.

In the microswitch triggering structure for the cleaning tool, the elastic member comprises the following three setting modes:

first, the elastic component is arranged between the lifting seat and the base.

And the elastic piece is an elastic pressure rod arranged on the micro switch, and the elastic pressure rod is connected below the lifting seat.

And thirdly, the elastic part comprises an elastic element connected between the lifting seat and the base and an elastic pressure rod arranged on the micro switch, and the elastic pressure rod is positioned below the lifting seat. The elastic element distributes the stress of the elastic pressure rod, so that the external pressure borne by the driving piece of the microswitch when the driving piece moves to a specified stroke is reduced, the microswitch is not easy to damage, and the service life and the use effect of the microswitch are prolonged.

In the microswitch triggering structure for the cleaning tool, the base comprises a shell structure with an opening at the top, and the lifting seat is movably arranged in the opening along the axial direction.

In the microswitch triggering structure for the cleaning tool, the opening of the shell structure is internally provided with a second limiting part, the lifting seat is provided with a third limiting part, and the third limiting part is limited by the second limiting part under the action of the elastic part in the initial state that the lifting seat is not pressed.

In the microswitch triggering structure for the cleaning tool, a sealing ring is arranged at the contact position of the third limiting part of the lifting seat and the second limiting part of the shell structure.

In the microswitch triggering structure for the cleaning tool, the top end of the lifting seat extends out of the base, the bottom of the movable mechanism is provided with a groove, and the groove is internally provided with a pressing part used for acting on the lifting seat.

In the microswitch triggering structure for the cleaning tool, the first limiting part is arranged on one side of the lifting seat, and the groove of the moving part is internally provided with the fourth limiting part matched with the first limiting part.

In the above microswitch triggering structure for a cleaning tool, the elastic member is a spring or a leaf spring.

Compared with the prior art, the application has the advantages that:

adopt trigger device to trigger micro-gap switch in this application, can realize pressing the spacing of stroke to micro-gap switch to prevent that the micro-gap switch atress from too big causing the damage, its simple structure, convenient operation is applicable to mopping machine or other electronic cleaning equipment.

Drawings

Fig. 1 is a schematic structural diagram of a microswitch in an unactuated state according to one embodiment.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic structural diagram of a microswitch in a triggered state according to an embodiment.

Fig. 4 is an enlarged schematic view at B in fig. 3.

Fig. 5 is a schematic view of a microswitch triggering structure provided by the second embodiment.

Fig. 6 is a schematic view of a microswitch triggering structure provided by the third embodiment.

In the figure, 1, a base, 2, a microswitch, 21, a button, 3, a trigger device, 301, an elastic element, 302, an elastic pressure rod, 303, a lifting seat, 304, a third limiting part, 305, a sealing ring, 31, a shell structure, 311, a first limiting part, 312, a second limiting part, 32, a movable mechanism, 321, a rotating part, 322, a pressing part, 323 and a fourth limiting part.

Detailed Description

Further illustrated by the following specific examples;

example one

As shown in fig. 1 and 3, a micro switch trigger structure for a cleaning tool includes a base 1, a micro switch 2, and a trigger 3.

Referring to fig. 1, 2, 3 and 4, a microswitch 2 is provided on a base 1. The triggering device 3 includes a shell structure 31 fixedly disposed on the base 1, a lifting seat 303 movably disposed in the shell structure 31, and a moving mechanism 32 movably connected to the base 1. The rotation of the movable mechanism 32 applies pressure to the lifting base 303 to trigger the microswitch 2.

Specifically, the base 1 is disposed on a main body of the device, the movable mechanism 32 is an operation rod of the device, the movable mechanism 32 is rotatably connected to the base 1 through a rotating member 321, the rotating member 321 is an L-shaped rotating member 321, one end of the L-shaped rotating member 321 is fixed to the movable mechanism 32, and the other end of the L-shaped rotating member 321 is connected to a rotating shaft of the base 1 to rotate around the rotating shaft.

As shown in fig. 2 and 4, the microswitch 2 has a driving member for transmitting an external pressure to the internal elastic structure, in this embodiment, the driving member is a button 21, the button 21 compresses the internal elastic structure by a designated stroke after being pressed to bring the microswitch 2 to a triggered state (as shown in fig. 4), and the internal elastic structure rebounds reversely to restore the microswitch 2 to an initial non-triggered state (as shown in fig. 2) after the force on the driving member is removed. The internal structure of the microswitch 2 is common knowledge that should be understood by those skilled in the art, and will not be described in detail herein.

Shell structure 31 sets up on base 1, and shell structure 31 is the shell structure that the top has the trompil, and micro-gap switch 2 is located in this shell structure 31, protects it through shell structure 31.

The lifting seat 303 is disposed in the opening of the shell structure 31 and is movable along the axial direction, and the lifting seat 303 is located above the button 21 of the micro switch 2. The elastic member includes an elastic element 301 and an elastic pressing rod 302, wherein the elastic element 301 is connected between the lifting seat 303 and the base 1, the elastic element 301 is a spring, a shrapnel or other element with an elastic structure, and the elastic pressing rod 302 is disposed on the micro switch 2, above the button 21 of the micro switch 2, and below the lifting seat 303. Under the action of the movable mechanism 32, the lifting seat 303 presses down the button 21 of the microswitch 2 to trigger the microswitch 2 to respond.

In order to protect the micro switch 2, the base 1 has a first limiting portion 311, the first limiting portion 311 is a protruding block formed by protruding the top of the shell structure 31 upward, and the height of the first limiting portion 311 is greater than or equal to the height of the highest point of the lifting seat 303 in the initial state, so as to prevent the micro switch 2 from being triggered due to the false touch. The bottom of the movable mechanism 32 is provided with a groove, the groove is provided with a pressing portion 322 and a fourth limiting portion 323, the pressing portion 322 is a boss, and the fourth limiting portion 323 is a limiting groove located on one side of the boss. When the fourth position-limiting portion 323 is blocked by the first position-limiting portion 311, the micro-switch 2 has reached a response state, and at this time, the first position-limiting portion 311 limits the over-rotation of the movable mechanism 32, thereby preventing the micro-switch 2 from being pressed over-limited.

The shell structure 31 further has a second limiting portion 312, the second limiting portion 312 is a convex edge formed by extending the hole of the shell structure 31 inward along the circumferential direction, the lifting base 303 is a hollow cylinder, the lifting base 303 has a third limiting portion 304, the third limiting portion 304 is a convex rib formed by extending the bottom of the lifting base 303 outward along the circumferential direction, a circle of concave ring is arranged above the third limiting portion 304 on the side wall of the lifting base 303, and a sealing ring 305 is embedded in the concave ring. In the initial state where the lifting base 303 is not pressed, the top end of the lifting base 303 extends out of the opening, the third limiting portion 304 is pressed against the lower side of the second limiting portion 312 by the elastic member, and the initial state where the lifting base 303 moves axially is limited by the second limiting portion 312 of the shell structure 31, so as to apply force to the lifting base 303. The sealing ring 305 is located at a contact position between the third position-limiting portion 304 and the second position-limiting portion 312, so as to prevent abrasion and prevent moisture from entering the housing structure 31 from the outside to affect the use of the microswitch 2.

The utility model discloses a theory of operation is:

as shown in fig. 1 and 2, the micro switch 2 is in an unfired state, at this time, the elastic element 301 is in a compressed state, the lifting seat 303 is pressed against the opening of the shell structure 31 by the resilience force of the elastic member, as shown in fig. 3 and 4, the micro switch 2 is in a corresponding state, at this time, the movable mechanism 32 rotates to press the pressing portion 322 to press the lifting seat 303 downward, the lifting seat 303 moves downward to act on the button 21 of the micro switch 2, the micro switch 2 is triggered to reach a response state, and the first limiting portion 311 of the shell structure 31 is pressed against the fourth limiting portion 323 of the movable mechanism 32 to stop the stroke, so as to avoid crushing the driving member.

Example two

As shown in fig. 5, the present embodiment is substantially the same as the first embodiment, except that: the elastic member in this embodiment only includes an elastic pressing rod 302 disposed on the micro switch 2, and the elastic pressing rod 302 is connected below the lifting seat 303. In an un-triggered state, the elastic pressure lever 302 supports the lifting seat 303 through elastic force so as to not touch the button 21 of the micro switch 2, and the elastic pressure lever 302 presses the button 21 of the micro switch 2 downwards under the action of the movable mechanism 32 so as to trigger the micro switch.

EXAMPLE III

As shown in fig. 6, the present embodiment is substantially the same as the first embodiment, except that: in this embodiment, the elastic member only includes an elastic element 301 connected between the lifting base 303 and the base 1, and the elastic element 301 is a spring, a leaf spring, or other element with an elastic structure. In an unactivated state, the elastic element 301 supports the lifting seat 303 through elasticity so as to enable the lifting seat 303 not to touch the button 21 of the micro switch 2, and the elastic element 301 presses the button 21 of the micro switch 2 downwards under the action of the movable mechanism 32 so as to enable the button to be activated.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms base, microswitch, trigger, resilient element, lifter, moving mechanism etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a micro-gap switch trigger structure for burnisher, includes base (1) and micro-gap switch (2) of locating on base (1), its characterized in that still includes:

a lifting seat (303) positioned above the micro switch (2);

an elastic member connected to the lifting base (303);

a movable member (32) movably connected to the base (1);

the base (1) is provided with a first limiting portion (311), the movable piece (32) rotates to be limited by the first limiting portion (311), and the lifting seat (303) overcomes the resistance of the elastic piece to trigger the microswitch (2).

2. The microswitch actuation structure for a cleaning tool of claim 1,

the elastic piece is arranged between the lifting seat (303) and the base (1).

3. The microswitch triggering structure for a cleaning tool according to claim 1, wherein the elastic member is an elastic pressing rod (302) provided on the microswitch (2), and the elastic pressing rod (302) is provided below the lifting base (303).

4. The microswitch triggering structure for a cleaning tool according to claim 1, wherein the elastic member comprises an elastic member (301) connected between the lifting base (303) and the base (1), and an elastic pressing rod (302) provided on the microswitch (2), the elastic pressing rod (302) being located below the lifting base (303).

5. The microswitch triggering structure for a cleaning tool according to any one of claims 1 to 4, wherein the base (1) comprises a shell structure (31) having an opening at the top, and the lifting seat (303) is movably arranged in the opening along the axial direction.

6. The microswitch triggering structure for a cleaning tool according to claim 5, wherein the opening of the housing structure (31) has a second limiting portion (312), the lifting base (303) has a third limiting portion (304), and the third limiting portion (304) is limited to the second limiting portion (312) by the elastic member in an initial state where the lifting base (303) is not pressed.

7. The microswitch actuation structure for a cleaning tool of claim 6,

and a sealing ring (305) is arranged at the contact position of the third limiting part (304) of the lifting seat (303) and the second limiting part (312) of the shell structure (31).

8. The microswitch triggering structure for a cleaning tool according to any one of claims 1 to 4, wherein the top end of the lifting base (303) protrudes out of the base (1), and the bottom of the movable member (32) has a groove having a pressing portion (322) therein for acting on the lifting base (303).

9. The microswitch triggering structure for a cleaning tool according to claim 8, wherein the first position-limiting portion (311) is disposed at one side of the lifting base (303), and a fourth position-limiting portion (323) engaged with the first position-limiting portion (311) is disposed in the groove of the movable member (32).

10. The microswitch actuation structure for a cleaning tool of claim 2 wherein: the elastic piece is a spring or a shrapnel.