CN204178980U - Key switch - Google Patents
Key switch Download PDFInfo
- Publication number
- CN204178980U CN204178980U CN201420625989.0U CN201420625989U CN204178980U CN 204178980 U CN204178980 U CN 204178980U CN 201420625989 U CN201420625989 U CN 201420625989U CN 204178980 U CN204178980 U CN 204178980U
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- CN
- China
- Prior art keywords
- contact
- switch
- impeller
- hub
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of key switch, comprises switch base and impeller-hub; Because being provided with seesaw structure between switch base and impeller-hub; It comprises ripple pearl, is arranged at gap slot on impeller-hub, shell fragment, switch contact, fixed terminal, on fixed contact, and moving contact, intermediate terminal, baffle plate, spring and axonometer.During installation, switch contact one end is fixed on impeller-hub lower end, the switch contact other end is fixedly mounted on moving contact place, and intermediate terminal upper end is placed in switch contact middle-end; Ripple pearl is placed between intermediate terminal top and moving contact.This installation process only needs shell fragment and spring to coordinate to install, and does not need the technical staff be familiar with to complete installation action, thus reaches easy for installation.During use, after being cooperatively interacted by shell fragment and switch contact, form seesaw type motion mode and realize switch on and off function, than traditional structure, there is tolerance larger electric current more, reach the reliable and stable performance improving key switch on-off function.
Description
[Ji Intraoperative field]
The utility model relates to a kind of key switch for small household electrical appliance aspect.
[Bei Jing Ji Intraoperative]
Existing market has various small household electrical appliance, such as: television set, the product such as electric heater and dust catcher.Existing most small household electrical appliance is all provided with a kind of key switch, and this key switch has another name called the structure being commonly called as " falling fish ".Due to the more complicated of this key switching structure, when making to install, need suitable those skilled in the art just can complete whole fitting operation, cause it to bring when mounted to user and extremely inconvenience is installed.In addition, again due to this key switching structure more complicated, after using a period of time, easily make the on-off function of switch sometimes malfunctioning, cause the reliability and stability of the on-off function of its key switch poor.
[utility model content]
Technical purpose of the present utility model is that to provide one to have easy for installation in order to solve above-mentioned prior art Problems existing, improves the key switch of the reliable and stable performance of the on-off function of key switch.
In order to realize above-mentioned technical problem, the utility model provides a kind of key switch, comprises switch base and is installed on the impeller-hub in switch base, form receiving space between described switch base and impeller-hub, this receiving space inside is provided with the seesaw structure for realizing switch on and off function, this seesaw structure comprises ripple pearl, be arranged at the gap slot for accommodating a ripple pearl part on impeller-hub, be installed on the shell fragment bottom ripple pearl, be installed on the switch contact bottom shell fragment, be installed on the fixed terminal of switch base interior bottom portion, be installed on the fixed contact on fixed terminal, be installed on moving contact that is above fixed contact and that be fixedly connected with switch contact, be arranged in respectively bottom switch base, the intermediate terminal that switch contact and shell fragment connect, be installed on the baffle plate of impeller-hub one end, be installed on the spring inside baffle plate and be installed on the axonometer of the spring other end.
According to described technical characteristics, the periphery of described impeller-hub is also provided with impeller-hub shell.
According to described technical characteristics, described impeller-hub is made up of mobile handle, this moves on handle and is provided with two contact points, the spring accepting groove for accommodating spring is offered from this middle-end moving handle, the outer end place of this spring accepting groove is provided with the baffle plate accepting groove for accommodating baffle plate, the medial extremity of this spring accepting groove is provided with the axonometer accepting groove for installing axonometer, and the outboard end of this baffle plate accepting groove is provided with the annular groove of matrix.
According to described technical characteristics, described switch base is made up of the outer container shell of square shape, rectangular-shaped receiving space is offered in this outer container shell inside, this receiving space inner bottom centre is provided with the convex column projected upwards, this convex column inside is provided with for accommodating stomidium in fixing intermediate terminal, the both sides of this convex column are formed respectively to recessed concave groove, are positioned at the inner fixed contact accepting groove be provided with for installing fixed contact of concave groove of convex column side.This fixed contact accepting groove side is provided with the fixed end hole for wearing fixed terminal.
According to described technical characteristics, described shell fragment is processed into by having flexible sheet metal, and the two ends of described sheet metal are respectively arranged with rectangular indentation.
According to described technical characteristics, described switch contact is bent by contact metal film and forms, the two ends of this contact metal film respectively on be bent to form and vertically bend body, this vertically bends on body and is provided with metal protuberance; Described contact metal film also comprises and is arranged at inside vertical bending body, high-level portion, and low-level portion, is arranged at the rake of one end, high-level portion, is arranged at the transition part of rake one end; Described transition part being provided with for wearing contact hole in intermediate terminal, described low-level portion being provided with the moving contact hole for wearing moving contact, described middle contact hole and the position in moving contact hole lay respectively at the both sides, gap slot lower end on impeller-hub.
The beneficial effects of the utility model: because forming receiving space between described switch base and impeller-hub, this receiving space inside is provided with the seesaw structure for realizing switch on and off function, this seesaw structure comprises ripple pearl, be arranged at the gap slot for accommodating a ripple pearl part on impeller-hub, be installed on the shell fragment bottom ripple pearl, be installed on shell fragment bottom switch contact chip, be installed on the fixed terminal of switch base interior bottom portion, be installed on the fixed contact on fixed terminal, be installed on moving contact that is above fixed contact and that be fixedly connected with switch contact, be arranged in respectively bottom switch base, the intermediate terminal that switch contact and shell fragment connect, be installed on the baffle plate of impeller-hub one end, be installed on the spring inside baffle plate and be installed on the axonometer of the spring other end.During installation, switch contact one end is fixed on impeller-hub lower end, the switch contact other end is fixedly mounted on moving contact place, and described intermediate terminal upper end is placed in switch contact middle-end; Described ripple pearl is placed between intermediate terminal top and moving contact.This installation process only needs shell fragment and spring to coordinate to install, and does not need the technical staff be familiar with to complete installation action, thus reaches object easy for installation.During use, after being cooperatively interacted by shell fragment and switch contact, form seesaw type motion mode and realize switch on and off function, than traditional structure, there is tolerance larger electric current more, therefore, reach the reliable and stable performance improving key switch on-off function.
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of key switch in the utility model;
Fig. 2 is the structural representation of key switch in the utility model.
[specific embodiment]
Please refer to shown in Fig. 1 and Fig. 2, below in conjunction with embodiment, a kind of key switch is described, comprise switch base 1, be installed on the impeller-hub 2 in switch base 1, be arranged at the seesaw structure forming receiving space between switch base 1 and impeller-hub 2.
Described seesaw structure comprises ripple pearl 3, be arranged at the gap slot 21 for accommodating ripple pearl 3 part on impeller-hub 2, be installed on the shell fragment 4 bottom ripple pearl 3, be installed on shell fragment 4 bottom switch contact chip 5, be installed on the fixed terminal 6 of switch base 1 interior bottom portion, be installed on the fixed contact 7 on fixed terminal 6, be installed on moving contact 8 that is above fixed contact 7 and that be fixedly connected with contact chip 5, be arranged in bottom switch base 1 respectively, the intermediate terminal 9 that switch contact 5 and shell fragment 4 connect, be installed on the baffle plate 10 of impeller-hub 2 one end, be installed on the spring 11 inside baffle plate 10 and be installed on the axonometer 12 of spring 11 other end.The periphery of described impeller-hub 2 is also provided with impeller-hub shell 13.
Described impeller-hub 2 is made up of mobile handle, this moves on handle and is provided with two contact points 22, the spring accepting groove 23 for accommodating spring 11 is offered from this middle-end moving handle, the outer end place of this spring accepting groove 23 is provided with the baffle plate accepting groove 24 for accommodating baffle plate 10, the medial extremity of this spring accepting groove 23 is provided with the axonometer accepting groove 25 for installing axonometer 12, and the outboard end of this baffle plate accepting groove 24 is provided with the annular groove of matrix.
Described switch base 1 is made up of the outer container shell of square shape, rectangular-shaped receiving space is offered in this outer container shell inside, this receiving space inner bottom centre is provided with the convex column projected upwards, this convex column inside is provided with for accommodating stomidium in fixing intermediate terminal 9, the both sides of this convex column are formed respectively to recessed concave groove, are positioned at the inner fixed contact accepting groove be provided with for installing fixed contact 7 of concave groove of convex column side.This fixed contact accepting groove side is provided with the fixed end hole for wearing fixed terminal 6.
Described shell fragment 4 is processed into by having flexible sheet metal, and the two ends of described sheet metal are respectively arranged with rectangular indentation.Described switch contact 5 is bent by contact metal film and forms, the two ends of this contact metal film respectively on be bent to form and vertically bend body, this vertically bends on body and is provided with metal protuberance 51; Described contact metal film also comprises and is arranged at inside vertical bending body, high-level portion, and low-level portion, is arranged at the rake of one end, high-level portion, is arranged at the transition part of rake one end; Described transition part is provided with for wearing contact hole in intermediate terminal 9, described low-level portion is provided with the moving contact hole for wearing moving contact 8, described middle contact hole and the position in moving contact hole lay respectively at the both sides, gap slot 21 lower end on impeller-hub 2.
Described impeller-hub 2 one end is installed on switch base 1 upper end, and the other end of described impeller-hub 2 is placed in switch base 1 periphery.Described baffle plate 10 is arranged in the baffle plate accepting groove on impeller-hub 2, described axonometer 12 is installed in the axonometer hole on impeller-hub 2, the spring accepting groove that described spring 11 is arranged on impeller-hub 2 is inner, and the installation site of described spring 11 is between baffle plate 10 and axonometer 12.The receiving space formed in described impeller-hub 2 one end and switch base 1 is inner.Described shell fragment 4 is arranged on above switch contact 5, and the rectangular indentation at shell fragment 4 two ends is together with contact protrusion 51 buckle on switch contact 5.Described switch contact 5 one end is placed in below impeller-hub 2, and the other end of described switch contact 5 is placed in the bottom of switch base 1 inside.Described fixed terminal 6 is through in fixed end hole, and be placed in fixed contact accommodating grooves place, by fixed contact 7 fixed terminal 6 is fixed on the bottom in switch base 1, described moving contact 8 is arranged on above fixed contact 7, and switch contact 5 and moving contact 8 is connected by moving contact 8.Described moving contact 8 one end is higher than shell fragment 4 and a part of distance of switch contact 5.Described intermediate terminal 9 top is through the middle stomidium in switch base 1, and to the middle contact hole on switch contact 5, and described intermediate terminal 9 top is outstanding higher than switch contact 5 one segment distance.The first half of described ripple pearl 3 is placed in the gap slot 21 on impeller-hub 2, and the lower part of ripple pearl 3 is placed in above shell fragment 4.During installation, switch contact 5 one end is fixed on impeller-hub 2 lower end, switch contact 5 other end is fixedly mounted on moving contact 6 place, and described intermediate terminal 9 upper end is placed in switch contact 5 middle-end; Described ripple pearl 3 is placed between intermediate terminal 9 top and moving contact 8.This installation process only needs shell fragment 4 and switch contact 5 to coordinate to install, and does not need the technical staff be familiar with to complete installation action, thus reaches object easy for installation.
During work, move when external force promotes impeller-hub 2, order about the direction of ripple pearl 3 along shell fragment 4 to moving contact 8 being arranged at impeller-hub 2 lower end to move, described shell fragment 4 and switch contact 5 is made to be subject to External Force Acting, order about described shell fragment 4 and switch contact 5 other end is tilted upward, drive impeller-hub 2 one end to move up, make to be arranged at the contact point 21 on impeller-hub 2 and extraneous electrical power contacts conducting.When external force disappear after, be arranged at impeller-hub 2 spring 11 elastic force effect under, described impeller-hub 2 outwards movement, the direction of ripple pearl 3 along shell fragment 4 to intermediate terminal 9 described in drive is moved, until intermediate terminal 9 top end stop.This process realizes switch on and off function by seesaw type motion mode, more has the larger electric current of tolerance than traditional structure, therefore, reaches the reliable and stable performance improving key switch on-off function.
In sum, because forming receiving space between described switch base 1 and impeller-hub 2, this receiving space inside is provided with the seesaw structure for realizing switch on and off function, described seesaw structure comprises ripple pearl 3, be arranged at the gap slot 21 for accommodating ripple pearl 3 part on impeller-hub 2, be installed on the shell fragment 4 bottom ripple pearl 3, be installed on shell fragment 4 bottom switch contact chip 5, be installed on the fixed terminal 6 of switch base 1 interior bottom portion, be installed on the fixed contact 7 on fixed terminal 6, be installed on moving contact 8 that is above fixed contact 7 and that be fixedly connected with switch contact 5, be arranged in bottom switch base 1 respectively, the intermediate terminal 9 that switch contact 5 and shell fragment 4 connect, be installed on the baffle plate 10 of impeller-hub 2 one end, be installed on the spring 11 inside baffle plate 10 and be installed on the axonometer 12 of spring 11 other end.The periphery of described impeller-hub 2 is also provided with impeller-hub shell 13.During installation, switch contact 5 one end is fixed on impeller-hub 2 lower end, switch contact 5 other end is fixedly mounted on moving contact 8 place, and described intermediate terminal 9 upper end is placed in switch contact 5 middle-end; Described ripple pearl 3 is placed between intermediate terminal 9 top and moving contact.This installation process only needs shell fragment 4 and switch contact 5 to coordinate to install, and does not need the technical staff be familiar with to complete installation action, thus reaches object easy for installation.During use, after being cooperatively interacted by shell fragment 4 and switch contact, form seesaw type motion mode and realize switch on and off function, than traditional structure, there is tolerance larger electric current more, therefore, reach the reliable and stable performance improving key switch on-off function.
Claims (6)
1. a key switch, comprises switch base and is installed on the impeller-hub in switch base, it is characterized in that: form receiving space between described switch base and impeller-hub, this receiving space inside is provided with the seesaw structure for realizing switch on and off function, this seesaw structure comprises ripple pearl, be arranged at the gap slot for accommodating a ripple pearl part on impeller-hub, be installed on the shell fragment bottom ripple pearl, be installed on the switch contact bottom shell fragment, be installed on the fixed terminal of switch base interior bottom portion, be installed on the fixed contact on fixed terminal, be installed on moving contact that is above fixed contact and that be fixedly connected with switch contact, be arranged in respectively bottom switch base, the intermediate terminal that switch contact and shell fragment connect, be installed on the baffle plate of impeller-hub one end, be installed on the spring inside baffle plate and be installed on the axonometer of the spring other end.
2. key switch according to claim 1, is characterized in that: the periphery of described impeller-hub is also provided with impeller-hub shell.
3. key switch according to claim 1, it is characterized in that: described impeller-hub is made up of mobile handle, this moves on handle and is provided with two contact points, the spring accepting groove for accommodating spring is offered from this middle-end moving handle, the outer end place of this spring accepting groove is provided with the baffle plate accepting groove for accommodating baffle plate, the medial extremity of this spring accepting groove is provided with the axonometer accepting groove for installing axonometer, and the outboard end of this baffle plate accepting groove is provided with the annular groove of matrix.
4. key switch according to claim 1, it is characterized in that: described switch base is made up of the outer container shell of square shape, rectangular-shaped receiving space is offered in this outer container shell inside, this receiving space inner bottom centre is provided with the convex column projected upwards, this convex column inside is provided with for accommodating stomidium in fixing intermediate terminal, the both sides of this convex column are formed to recessed concave groove respectively, be positioned at the inner fixed contact accepting groove be provided with for installing fixed contact of concave groove of convex column side, this fixed contact accepting groove side is provided with the fixed end hole for wearing fixed terminal.
5. key switch according to claim 1, is characterized in that: described shell fragment is processed into by having flexible sheet metal, and the two ends of described sheet metal are respectively arranged with rectangular indentation.
6. key switch according to claim 1, is characterized in that: described switch contact is bent by contact metal film and forms, the two ends of this contact metal film respectively on be bent to form and vertically bend body, this vertically bends on body and is provided with metal protuberance; Described contact metal film also comprises and is arranged at inside vertical bending body, high-level portion, and low-level portion, is arranged at the rake of one end, high-level portion, is arranged at the transition part of rake one end; Described transition part being provided with for wearing contact hole in intermediate terminal, described low-level portion being provided with the moving contact hole for wearing moving contact, described middle contact hole and the position in moving contact hole lay respectively at the both sides, gap slot lower end on impeller-hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625989.0U CN204178980U (en) | 2014-10-27 | 2014-10-27 | Key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625989.0U CN204178980U (en) | 2014-10-27 | 2014-10-27 | Key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178980U true CN204178980U (en) | 2015-02-25 |
Family
ID=52567767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625989.0U Expired - Fee Related CN204178980U (en) | 2014-10-27 | 2014-10-27 | Key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204178980U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172437A (en) * | 2016-12-08 | 2018-06-15 | 青岛海尔洗衣机有限公司 | Switch module and laundry facilities |
| TWI671774B (en) * | 2018-10-15 | 2019-09-11 | 達方電子股份有限公司 | keyboard |
| TWI678717B (en) * | 2018-09-21 | 2019-12-01 | 合利億股份有限公司 | Computer keyboard |
-
2014
- 2014-10-27 CN CN201420625989.0U patent/CN204178980U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172437A (en) * | 2016-12-08 | 2018-06-15 | 青岛海尔洗衣机有限公司 | Switch module and laundry facilities |
| TWI678717B (en) * | 2018-09-21 | 2019-12-01 | 合利億股份有限公司 | Computer keyboard |
| TWI671774B (en) * | 2018-10-15 | 2019-09-11 | 達方電子股份有限公司 | keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160919 Address after: 523000, No. 191, Yinhe North Road, Southwest Village, Shijie Town, Dongguan, Guangdong, China Patentee after: Dongguan Sheng Jun Electronics Co., Ltd. Address before: 412300 Hunan city of Zhuzhou province Youxian Ping Yang Miao Xiang Longquan Cun Dali Dali Group No. 041 Patentee before: Chen Qingxiong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20191027 |