CN204407223U - Sensitive switch - Google Patents
Sensitive switch Download PDFInfo
- Publication number
- CN204407223U CN204407223U CN201520077748.1U CN201520077748U CN204407223U CN 204407223 U CN204407223 U CN 204407223U CN 201520077748 U CN201520077748 U CN 201520077748U CN 204407223 U CN204407223 U CN 204407223U
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- groove
- shell fragment
- switching mechanism
- sensitive switch
- public terminal
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Abstract
The utility model discloses a kind of sensitive switch, comprise the housing be made up of upper cover and lower cover, enclosure interior is provided with switching mechanism, the button that housing is provided with is resisted against on switching mechanism, switching mechanism and public terminal are electrically connected, with normally closed terminal, Chang Kaiduan is moving contact connection, switching mechanism is the strip shell fragment of a horizontal positioned, shell fragment is arranged with two through holes along its length, the mid portion of two through hole forms middle, middle disconnects formation premedian plate and latter middle along its Width, a back-moving spring is fixed with below the left end of shell fragment, right-hand member is fixed with a contact, the two sides of public terminal have the first groove and the second groove that are staggered up and down, the free end of premedian plate and latter middle snaps in the first groove and the second groove respectively.The utility model, premedian plate and the rear middle two sides being connected to public terminal respectively, form elasticity and connect, electric conductivity is stablized, and rear in sheet can make sensitive reaction according to the pressure of button, greatly provide cost savings, easy to assembly, practical.
Description
Technical field
The utility model relates to a kind of appliance switch, is specifically related to sensitive switch.
Background technology
Sensitive switch is widely used in automobile electronics, communication apparatus, small household appliances etc., it is the contact mechanism carrying out switch motion by the stroke of regulation and the power of regulation, inside has the snap-action mechanism of small contact separation, cover with shell, its outside is provided with drive rod, because the contact spacing of its switch is smaller, therefore named sensitive switch.External mechanical force by actuated element (push-piece, button, lever, roller etc.) by masterpiece for action reed, produce instantaneous operation when action reed is displaced to critical point, make the moving contact of action reed end and fixed contact quick-make or disconnection.After the active force on actuated element is removed, action reed produces counteragent power, actuated element counteragent, after its stroke reaches the action critical point of reed, instantaneously completes counteragent.The contact spacing of sensitive switch is little, actuating length is short, little by power, break-make is rapid.
Existing sensitive switch is assembled by brace, counter-force spring, action contact frame and is fixed on support.This structural elements is more, complex structure, and assembling is inconvenient, and in the course of action of button, the auxiliary section branch of these parts produces the change of contact-making surface, electric conductivity is unstable, this configuration switches electricity piece tie point another is many, and heating is serious, causes appliance life low.
Utility model content
Technical problem to be solved in the utility model is the current problem that sensitive switch assembling is inconvenient, electric conductivity is unstable.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts there is provided a kind of sensitive switch, comprise the housing be made up of upper cover and lower cover, described enclosure interior is provided with switching mechanism, described housing is provided with button, and described button is resisted against on described switching mechanism, and described switching mechanism and public terminal are electrically connected, be connected for moving contact with normally closed terminal, Chang Kaiduan, described public terminal, normally closed terminal and often beginning all stretch out outside described housing:
Described switching mechanism is the strip shell fragment of a horizontal positioned, described shell fragment is arranged with two through holes along its length, described in two, the mid portion of through hole forms middle, described middle disconnects formation premedian plate and latter middle along its Width, be fixed with a back-moving spring below the left end of described shell fragment, right-hand member is fixed with a contact;
The upper end of described public terminal is sheet stent, be fixed on the inwall of described housing, and two sides have the first groove and the second groove, described first groove and described second groove are crisscross arranged up and down, and all lower than the outward flange of described shell fragment, the free end of described premedian plate and described latter middle snaps in described first groove and described second groove respectively.
In above-mentioned sensitive switch, described premedian plate is rectangular, and described latter middle is I shape.
In above-mentioned sensitive switch, the length ratio of described premedian plate and described latter middle is 3:5.
In above-mentioned sensitive switch, the cross section of described first groove and described second groove is V-shaped.
In above-mentioned sensitive switch, the cross section of described first groove and described second groove is trapezoidal.
The utility model, switching mechanism is a shell fragment with special construction design, middle sheet on shell fragment comprises middle and latter middle, premedian plate and the rear middle two sides being connected to public terminal respectively, because shell fragment upwards arches upward, the elastic force of himself can remain that shell fragment forms elasticity with the compaction of public terminal and is connected, electric conductivity is stablized, and tie point between shell fragment and public terminal is many, electrically deteriorates little, extend useful life; And rear middle sheet can make sensitive reaction according to the pressure of button, the contact of shell fragment right-hand member can be touched with Chang Kai or normally closed terminal fast, delicately, smart structural design, due to single shell fragment is directly stuck on public terminal, also reduce amount of parts and assembly process, greatly provide cost savings, assemble very convenient, practical.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model inside;
Fig. 2 is assembly drawing of the present utility model;
Fig. 3 is the structural representation of shell fragment in the utility model;
Fig. 4 is the structural representation of public terminal in the utility model.
Embodiment
The utility model provides a kind of sensitive switch, compact conformation.Below in conjunction with specific embodiment and Figure of description, the utility model is described in detail.
As depicted in figs. 1 and 2, the utility model provides a kind of sensitive switch, comprise the housing fastened by upper cover 1 and lower cover 2, the switching mechanism that shell fragment 7 is formed is provided with in housing, housing is provided with button 9 and is resisted against the left end of shell fragment 7, shell fragment 7 and public terminal 6 are electrically connected, and are connected for moving contact with normally closed terminal 3, Chang Kaiduan 4, public terminal 6, normally closed terminal 3 and often beginning 4 all stretch out outside housing.
As shown in Figure 1, Figure 2 and Figure 3, shell fragment 7 horizontal positioned and elongated, two through holes 71 are arranged with at its length direction, the mid portion of two through holes 71 forms middle, middle disconnects formation premedian plate 72 and latter middle 73 along its Width, and be fixed with a back-moving spring 8 below the left end of shell fragment 7, right-hand member is fixed with a contact 5, normally closed terminal 3 is provided with normally-closed contact 51, Chang Kaiduan 4 and is provided with normally opened contact 52.Contact 5 can contact with normally opened contact 52 with normally-closed contact 51 in varied situations respectively, thus makes public terminal 6 and normally closed terminal 3 or Chang Kaiduan 4 electrical conductive communication.
As shown in Figure 1, Figure 2 and Figure 4, the upper end of public terminal 6 is sheet stent, side is L-type, be fixed on the inwall of housing, and two sides have the first groove 61 and the second groove 62, first groove 61 and the second groove about 62 are crisscross arranged, and all lower than the outward flange of shell fragment 7, and the free end of premedian plate 72 and latter middle 73 snaps in the first groove 61 and the second groove 62 respectively.The cross section of the first groove 61 and the second groove 62 can be V-arrangement, also can be trapezoidal, can ensure premedian plate 72 and rear middle 73 with the compact siro spinning technology of public terminal 6.
Premedian plate 72 is rectangular, and latter middle 73 can be set to rectangle or I shape, and in after in the present embodiment, sheet 73 is in I shape, and the structural design of I shape can make latter middle 73 upwards to arch upward, and the power that can be subject to shell fragment 7 makes sensitive reaction.In addition, the length ratio of premedian plate 72 and latter middle 73 is 3:5, with inner walls establishing, and in button 9 pairs of shell fragment 7 left end force processes, contact 5 can be made to contact with normally-closed contact 51 or normally opened contact 52 fast, the active force of button 9 is got the greatest degree of optimization.Because latter middle 73 is upwards arched upward, the elastic force of himself can remain the compaction of shell fragment 7 and public terminal 6, and conductivity is good.
The utility model, switching mechanism is a shell fragment with special construction design, middle sheet on shell fragment comprises premedian plate and latter middle, premedian plate and the rear middle two sides being connected to public terminal respectively, because shell fragment upwards arches upward, the elastic force of himself can remain that shell fragment forms elasticity with the compaction of public terminal and is connected, electric conductivity is stablized, and tie point between shell fragment and public terminal is many, electrically deteriorates little, extend useful life; And rear middle sheet can make sensitive reaction according to the pressure of button, the contact of shell fragment right-hand member can be touched with Chang Kai or normally closed terminal fast, delicately, smart structural design, due to single shell fragment is directly stuck on public terminal, also reduce amount of parts and assembly process, greatly provide cost savings, assemble very convenient, practical.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change made under enlightenment of the present utility model, and every have identical or close technical scheme with the utility model, all falls within protection range of the present utility model.
Claims (5)
1. sensitive switch, comprise the housing be made up of upper cover and lower cover, described enclosure interior is provided with switching mechanism, described housing is provided with button, described button is resisted against on described switching mechanism, and described switching mechanism and public terminal are electrically connected, and is connected for moving contact with normally closed terminal, Chang Kaiduan, described public terminal, normally closed terminal and normal beginning all stretch out outside described housing, it is characterized in that:
Described switching mechanism is the strip shell fragment of a horizontal positioned, described shell fragment is arranged with two through holes along its length, described in two, the mid portion of through hole forms middle, described middle disconnects formation premedian plate and latter middle along its Width, be fixed with a back-moving spring below the left end of described shell fragment, right-hand member is fixed with a contact;
The upper end of described public terminal is sheet stent, be fixed on the inwall of described housing, and two sides have the first groove and the second groove, described first groove and described second groove are crisscross arranged up and down, and all lower than the outward flange of described shell fragment, the free end of described premedian plate and described latter middle snaps in described first groove and described second groove respectively.
2. sensitive switch as claimed in claim 1, it is characterized in that, described premedian plate is rectangular, and described latter middle is I shape.
3. sensitive switch as claimed in claim 1, is characterized in that, the length ratio of described premedian plate and described latter middle is 3:5.
4. sensitive switch as claimed in claim 1, it is characterized in that, the cross section of described first groove and described second groove is V-shaped.
5. sensitive switch as claimed in claim 1, it is characterized in that, the cross section of described first groove and described second groove is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520077748.1U CN204407223U (en) | 2015-02-04 | 2015-02-04 | Sensitive switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520077748.1U CN204407223U (en) | 2015-02-04 | 2015-02-04 | Sensitive switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204407223U true CN204407223U (en) | 2015-06-17 |
Family
ID=53431061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520077748.1U Active CN204407223U (en) | 2015-02-04 | 2015-02-04 | Sensitive switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204407223U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569450A (en) * | 2016-02-20 | 2016-05-11 | 章玺 | Elasticity-adjustable electronic lock |
| CN107484288A (en) * | 2017-09-13 | 2017-12-15 | 浙江宇洋科技有限公司 | Interlocking switch |
| CN107871631A (en) * | 2017-09-26 | 2018-04-03 | 贵州振华华联电子有限公司 | One kind has extremely highly sensitive microswitch |
| CN108091512A (en) * | 2016-11-22 | 2018-05-29 | 德昌电机(深圳)有限公司 | Executing agency and the device with the executing agency |
| CN108447723A (en) * | 2018-02-06 | 2018-08-24 | 安徽宣宁机电科技有限公司 | A kind of be closed confirms, limits the microswitch for disconnecting two-in-one function |
-
2015
- 2015-02-04 CN CN201520077748.1U patent/CN204407223U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569450A (en) * | 2016-02-20 | 2016-05-11 | 章玺 | Elasticity-adjustable electronic lock |
| CN108091512A (en) * | 2016-11-22 | 2018-05-29 | 德昌电机(深圳)有限公司 | Executing agency and the device with the executing agency |
| CN107484288A (en) * | 2017-09-13 | 2017-12-15 | 浙江宇洋科技有限公司 | Interlocking switch |
| CN107484288B (en) * | 2017-09-13 | 2024-03-26 | 浙江宇洋科技有限公司 | Interlocking switch |
| CN107871631A (en) * | 2017-09-26 | 2018-04-03 | 贵州振华华联电子有限公司 | One kind has extremely highly sensitive microswitch |
| CN108447723A (en) * | 2018-02-06 | 2018-08-24 | 安徽宣宁机电科技有限公司 | A kind of be closed confirms, limits the microswitch for disconnecting two-in-one function |
| CN108447723B (en) * | 2018-02-06 | 2019-06-25 | 安徽宣宁机电科技有限公司 | A kind of closure confirms, limits the microswitch of the two-in-one function of disconnection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |