CN212934451U

CN212934451U - Pedal switch

Info

Publication number: CN212934451U
Application number: CN202021361121.6U
Authority: CN
Inventors: 余宏浩
Original assignee: Chuangjing Sensing Industrial Huizhou Co ltd
Current assignee: Chuangjing Sensing Industrial Huizhou Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-09
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to the technical field of switches, a foot switch is disclosed, include when the button pushes down, the button contacts with the elastic washer, so that support the piece and push down, and then make support the piece respectively with elastic block and buffer bulge contact, elastic block and buffer bulge take place deformation, thereby make the fillet of supporting the piece contact with jacking shell fragment, then the activity shell fragment produces deformation, the switch is triggered, to sum up, through setting up elastic block, buffer bulge and elastic washer, can make the connection between button and support the piece, support the connection between piece and the jacking shell fragment and become soft connection, and then reduce the degree of wear between button and support the piece and between support the piece and the jacking shell fragment, thereby guarantee the sense of touch when the switch is pressed; furthermore, the round corner part is arranged on the abutting block, so that the contact part of the abutting block and the jacking elastic sheet can be prevented from being too sharp, and the jacking elastic sheet is prevented from being scratched.

Description

Pedal switch

Technical Field

The utility model relates to the technical field of switches, especially, relate to a foot switch.

Background

The foot switch is a switch for controlling the on-off of a circuit by stepping or treading on the foot switch, and is used in a control circuit which can not be touched by two hands to replace the two hands to achieve the purpose of operation.

The pedal switch is triggered by pressing the button, so that the pressing block is pressed down, the movable sheet is driven to be pressed down, and the elastic sheet deforms to trigger the switch. However, the lower pressing block is connected with the movable sheet in a rigid manner at the present stage, and the pedal switch is triggered by stepping on the pedal, so that the force is high, and the contact part of the lower pressing block and the movable sheet is easily abraded, thereby affecting the triggering performance of the switch and shortening the service life of the switch. Furthermore, the pedal switch resets through the elasticity that the shell fragment resumes original state, and the connection between button and the lower briquetting is also rigid connection, and then leads to button or lower briquetting wearing and tearing easily at the process button that the pedal switch resets with the lower briquetting to the sense of touch when influence switch is pressed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide and can avoid adopting rigid connection between briquetting and the movable plate down, can avoid the button and adopt rigid connection between the briquetting down and can carry out the foot switch who protects to button, lower briquetting and movable plate.

The purpose of the utility model is realized through the following technical scheme:

a foot switch comprising:

a housing;

the trigger assembly comprises a button, a butting block, a jacking elastic sheet and a movable elastic sheet, the button is arranged on the shell, the butting block is positioned below the button, a round corner is arranged on the butting block, the butting block is connected with the jacking elastic sheet, a through hole is formed in the jacking elastic sheet, and the movable elastic sheet is arranged in the through hole;

the shock absorption assembly comprises an elastic block, a buffering bulge and an elastic washer, the elastic block and the buffering bulge are respectively arranged on the jacking elastic sheet, and the elastic washer is respectively connected with the abutting block and the button; and

a switch assembly disposed on the housing.

In one embodiment, the trigger assembly further comprises a dust cap connected to the button.

In one embodiment, the trigger assembly further includes a supporting block, an installation block, and a shock absorption protrusion, wherein an air-avoiding opening is formed in the supporting block, the supporting block penetrates through the air-avoiding opening, the supporting block is further connected to the movable elastic sheet, the installation block is connected to the supporting block, and the shock absorption protrusion is disposed on the supporting block.

In one embodiment, the trigger assembly further comprises a first contact and a second contact, and the first contact and the second contact are respectively arranged on the mounting block at intervals.

In one embodiment, the trigger assembly further comprises a third contact and a fourth contact, and the third contact and the fourth contact are respectively arranged on the jacking elastic sheet at intervals.

In one embodiment, the locking device further comprises a locking assembly, wherein the locking assembly comprises two supporting columns, and the two supporting columns are respectively connected with the shell at intervals.

In one embodiment, the device further comprises a protective shell, and the protective shell is arranged on the shell.

In one embodiment, the switch assembly includes a clamping shell, a switch main body and a connection harness, the clamping shell is connected with the shell, the switch main body is arranged on the clamping shell, and the connection harness is connected with the switch main body.

In one embodiment, the connector further comprises a fastening block, the fastening shell is provided with a position-avoiding hole, the fastening block penetrates through the position-avoiding hole, and the fastening block is connected with the shell.

In one embodiment, a chamfered portion is provided on the button.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to a foot switch, when the button pushes down, the button contacts with the elastic washer to make the supporting block push down, and then make the supporting block contact with elastic block and buffering protrusion respectively, elastic block and buffering protrusion take place deformation, thereby make the fillet of supporting block contact with jacking shell fragment, then the activity shell fragment produces deformation, the switch is triggered, to sum up, through setting up elastic block, buffering protrusion and elastic washer, can make the connection between button and supporting block, the connection between supporting block and jacking shell fragment become soft connection, and then reduce the degree of wear between button and supporting block and between supporting block and jacking shell fragment, thereby guarantee the sense of touch when the switch is pressed; furthermore, the round corner part is arranged on the abutting block, so that the contact part of the abutting block and the jacking elastic sheet can be prevented from being too sharp, and the jacking elastic sheet is prevented from being scratched.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a foot switch according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a trigger assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the triggering assembly shown in fig. 2 at another viewing angle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a foot switch 10 includes: casing 1000, trigger assembly 2000, damper assembly 3000 and switch module 4000, trigger assembly 2000 sets up on casing 1000, damper assembly 3000 sets up on trigger assembly 2000, and switch module 4000 is connected with trigger assembly 2000.

Referring to fig. 2 and 3, the triggering assembly 2000 includes a button 2001, a holding block 2002, a lifting spring plate 2003 and a movable spring plate 2004, the button 2001 is disposed on the casing 1000, the holding block 2002 is located below the button 2001, a rounded corner portion 2002a is disposed on the holding block 2002, the holding block 2002 is connected with the lifting spring plate 2003, a through hole 2003a is disposed on the lifting spring plate 2003, and the movable spring plate 2004 is disposed in the through hole 2003 a; the shock absorption assembly 3000 comprises an elastic block 3001, a buffering protrusion 3002 and an elastic washer 3003, wherein the elastic block 3001 and the buffering protrusion 3002 are respectively arranged on the jacking elastic sheet 2003, and the elastic washer 3003 is respectively connected with the jacking elastic sheet 2003 and the button 2001; the switch assembly 4000 is disposed on the housing 1000.

It should be noted that, when the button 2001 is pressed down, the button 2001 contacts with the elastic washer 3003 to press down the abutting block 2002, so that the abutting block 2002 contacts with the elastic block 3001 and the buffering protrusion 3002, the elastic block 3001 and the buffering protrusion 3002 deform, so that the rounded corner 2002a of the abutting block 2002 contacts with the lifting spring 2003, and then the movable spring 2004 deforms, and the switch is triggered, in conclusion, by arranging the elastic block 3001, the buffering protrusion 3002 and the elastic washer 3003, the direction of the elastic force generated by the deformation of the elastic block 3001, the buffering protrusion 3002 and the elastic washer 3003 is opposite to the moving direction of the button 2001, so as to play a buffering role, and simultaneously, the connection between the button 2001 and the abutting block 2002, and the connection between the abutting block 2002 and the lifting spring 2003 can also become soft, so as to reduce the degree of wear between the button 2001 and the abutting block 2002 and between the abutting block 2002 and the lifting spring 2003, thereby ensuring the touch feeling when the switch is pressed; further, by arranging the rounded portion 2002a on the abutting block 2002, the contact portion between the abutting block 2002 and the jacking elastic sheet 2003 can be prevented from being too sharp, and the jacking elastic sheet can be prevented from being scratched. Further, the elastic block 3001 and the buffering protrusion 3002 are made of rubber, which is a high-elasticity polymer material with reversible deformation, and is elastic at room temperature, and can generate large deformation under the action of small external force, and can recover to the original shape after the external force is removed, and the elastic washer 3003 is an elastic washer in the prior art.

Referring to fig. 2, further, in an embodiment, the trigger assembly 2000 further includes a dust cap 2005, and the dust cap 2005 is connected to the button 2001. Since there is inevitably a gap between the case 1000 and the push button 2001, the dust cap 2005 is fitted over the push button 2001, whereby foreign matter such as dust can be effectively prevented from entering the case 1000.

Referring to fig. 3, in an embodiment, the triggering assembly 2000 further includes a supporting block 2006, an installing block 2007 and a shock absorption protrusion 2008, wherein the supporting block 2006 is provided with a clearance 2006a, the supporting block 2002 is inserted into the clearance 2006a, the supporting block 2006 is further connected to the movable spring plate 2004, the installing block 2007 is connected to the supporting block 2006, and the shock absorption protrusion 2008 is disposed on the supporting block 2006.

It should be noted that, because the contact between the propping block 2006 and the propping block 2002 is also a rigid connection, and the propping block 2002 moves in the clearance 2006a, the rigid contact between the propping block 2006 and the propping block 2002 can be avoided by providing the shock absorbing protrusion 2008, and further, the contact part between the propping block 2006 and the propping block 2002 is prevented from being worn. Wherein, the material of the shock absorbing protrusion 2008 is also rubber.

Referring to fig. 3, in an embodiment, the triggering assembly 2000 further includes a first contact 2009 and a second contact 2010, and the first contact 2009 and the second contact 2010 are respectively disposed on the mounting block 2007 at intervals.

Referring to fig. 3, specifically, the triggering assembly 2000 further includes a third contact 2011 and a fourth contact 2012, and the third contact 2011 and the fourth contact 2012 are respectively disposed on the lifting spring 2003 at intervals.

Note that the first contact 2009 and the third contact 2011 are in contact with each other to set the foot switch off state, and the second contact 2010 and the fourth contact 2012 are in contact with each other to set the foot switch on state.

Referring to fig. 1, in an embodiment, the foot switch 10 further includes a locking component 5000, the locking component 5000 includes two supporting columns 5001, and the two supporting columns 5001 are respectively connected to the housing 1000 at intervals.

It should be noted that the supporting column 5001 is used to fix the housing 1000 and the protective housing 6000.

Referring to fig. 1, in one embodiment, the foot switch 10 further includes a protective housing 6000, and the protective housing 6000 is disposed on the casing 1000.

Note that the protective case 6000 is used to protect the housing 1000.

Referring to fig. 1, in one embodiment, the switch assembly 4000 includes a clamping shell 4001, a switch main body and a connection harness 4002, the clamping shell 4001 is connected to the housing 1000, the switch main body is disposed on the clamping shell 4001, and the connection harness 4002 is connected to the switch main body.

Referring to fig. 1, specifically, the foot switch 10 further includes a fastening block, the fastening shell 4001 is provided with a position-avoiding hole, the fastening block penetrates through the position-avoiding hole, and the fastening block is connected to the housing 1000.

It should be noted that, the housing 1000 and the clamping housing 4001 are connected by clamping, so that the installation is very convenient and fast.

Referring to fig. 1, in one embodiment, a button 2001 is provided with a chamfered portion 2001 a. By providing the button 2001 with the chamfered portion 2001a, the elastic washer 3003 can be effectively protected while avoiding an excessively sharp contact position between the button 2001 and the elastic washer 3003.

Compared with the prior art, the utility model has the advantages of it is following:

in the pedal switch 10, when the button 2001 is pressed down, the button 2001 contacts the elastic washer 3003 to press down the abutting block 2002, so that the abutting block 2002 contacts the elastic block 3001 and the buffer protrusion 3002 respectively, the elastic block 3001 and the buffer protrusion 3002 deform, so that the rounded corner 2002a of the abutting block 2002 contacts the lifting spring plate 2003, then the movable spring plate 2004 deforms, and the switch is triggered, in conclusion, by arranging the elastic block 3001, the buffer protrusion 3002 and the elastic washer 3003, the direction of the elastic force generated by the deformation of the elastic block 3001, the buffer protrusion 3002 and the elastic washer 3003 is opposite to the moving direction of the button 2001, so as to play a buffering role, and simultaneously, the connection between the button 2001 and the abutting block 2002 and the lifting spring plate 2003 can be changed into soft connection, so that the abrasion degree between the button 2001 and the abutting block 2002 and between the abutting block 2002 and the lifting spring plate 2003 is reduced, thereby ensuring the touch feeling when the switch is pressed; further, by arranging the rounded portion 2002a on the abutting block 2002, the contact portion between the abutting block 2002 and the jacking elastic sheet 2003 can be prevented from being too sharp, and the jacking elastic sheet can be prevented from being scratched.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A foot switch, comprising:

a housing;

a switch assembly disposed on the housing.

2. The foot switch of claim 1, wherein the trigger assembly further comprises a dust cap coupled to the button.

3. The foot switch according to claim 1, wherein the trigger assembly further comprises a supporting block, an installation block and a shock absorption protrusion, wherein the supporting block is provided with an evacuation opening, the supporting block penetrates through the evacuation opening, the supporting block is further connected with the movable elastic sheet, the installation block is connected with the supporting block, and the shock absorption protrusion is arranged on the supporting block.

4. The foot switch of claim 3, wherein the trigger assembly further comprises a first contact and a second contact, the first contact and the second contact being spaced apart from each other on the mounting block.

5. The foot switch of claim 4, wherein the trigger assembly further comprises a third contact and a fourth contact, the third contact and the fourth contact are respectively disposed on the lift tab at intervals.

6. The foot switch of claim 1, further comprising a locking assembly, wherein the locking assembly comprises two support posts, and the two support posts are respectively connected to the housing at intervals.

7. The foot switch of claim 1, further comprising a protective housing disposed on the housing.

8. The foot switch of claim 7, wherein the switch assembly includes a snap-on housing connected to the housing, a switch body disposed on the snap-on housing, and a connection harness connected to the switch body.

9. The foot switch of claim 8, further comprising a fastening block, wherein the fastening shell is provided with a position-avoiding hole, the fastening block penetrates through the position-avoiding hole, and the fastening block is connected with the housing.

10. The foot switch of claim 1, wherein the button is provided with a chamfer.