CN201788861U - Wide-range micro switch - Google Patents
Wide-range micro switch Download PDFInfo
- Publication number
- CN201788861U CN201788861U CN2010205250157U CN201020525015U CN201788861U CN 201788861 U CN201788861 U CN 201788861U CN 2010205250157 U CN2010205250157 U CN 2010205250157U CN 201020525015 U CN201020525015 U CN 201020525015U CN 201788861 U CN201788861 U CN 201788861U
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- CN
- China
- Prior art keywords
- pin
- extension spring
- groove
- housing
- tension spring
- 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 wide-range micro switch which comprises a shell, a transmission element, a middle pin, a split pin, a weld pin, a moving contact pin and a cover, wherein the transmission element is arranged inside a transmission groove on the cover, the middle pin is placed in the middle pin fixing groove inside the shell, the weld pin is arranged in a weld pin groove inside the shell, the split pin is arranged on a split pin switching groove on the middle pin, the moving contact pin is arranged under the split pin along a positioning edge of the middle pin, a moving contact pin switching portion on the moving contact pin contacts with a moving contact pin positioning groove on the split pin, a silver contact and a tension spring groove are arranged on the moving contact pin, a tension spring is installed inside the tension spring groove, the left end of the tension spring hooks the tension spring fixing groove on a tension spring pin, the right end of the tension spring hooks a tension spring hole on the moving contact pin, and the tension spring pin is arranged inside a tension spring pin hole on the shell. The wide-range micro switch is simple in structure and capable of meeting the requirement on high current capacity. Moreover, the wide-range micro switch only uses a normally opened terminal so that the clearance between the silver contact on the weld pin and the silver contact on the moving contact pin is over 3.2mm, and as the elasticity of the tension spring is utilized for switching the switch, the wide-range micro switch is small in deformation and stress and long in service life.
Description
Technical field
The utility model belongs to the sensitive switch technical field, especially relates to a kind of big apart from sensitive switch.
Background technology
General two kinds of existing sensitive switch, contact gap does not reach customer requirement less than 3mm, and electrical endurance is not high, particularly frequently uses, be the internal structure compactness in addition, can not reach big current requirements, therefore be necessary to be improved.
The utility model content
The purpose of this utility model is to provide a kind of internal structure simple for the deficiency that solves above-mentioned prior art existence, can reach big traffic requirement, and contact gap is big, and it is big apart from sensitive switch that physical life is grown.
To achieve these goals, the technical scheme that the utility model adopted is: a kind of big apart from sensitive switch, comprise housing, actuated element, middle pin, the fork pin, leg, movable palping foot and lid, actuated element is located in the driving groove on the housing, actuated element is a button, it is characterized in that: pin is located in the interior middle pin holddown groove of housing in described, leg fixedly is located in the interior leg groove of housing, leg is provided with silver contact, on the fork pin conversion groove during the fork pin is located on the pin, the pin gulde edge was located at the below of fork pin during movable palping foot was being complied with, movable palping foot conversion place on the movable palping foot contacts with the movable palping foot location notch of fork on the pin, movable palping foot is provided with silver contact hole and extension spring groove, the silver contact hole is provided with silver contact, is provided with extension spring in the extension spring groove, and the extension spring holddown groove on the extension spring steady pin is hooked in the extension spring of extension spring one end, the extension spring hole on the movable palping foot is hooked in the extension spring of the extension spring other end, and the extension spring steady pin is located in the extension spring fixed pin holes on the housing.
Described housing is provided with and covers fitting pin, covers mating holes covering to be provided with, and the position is more stable when assembling with housing in order to cover, and lid fitting pin and lid location hole are be provided with two of both sides correspondence.
All be provided with fabrication hole on described fork pin and the leg, be provided with installing hole and bit-avoiding slot covering, on housing, be provided with lid mating holes is installed.
After adopting said structure, the utility model is compared the advantage that is had with prior art: its internal structure is simple, can reach big traffic requirement, inner at switch only with a kind of open type terminal, make that the gap between the silver contact in the silver contact hole reaches more than 3.2 on silver contact on the leg and the movable palping foot, the action that utilizes the elasticity of extension spring to come change over switch, because deflection is little, stress is little, makes the tired not too large of extension spring, and electrical endurance rises to more than 100,000 times.
Description of drawings
Fig. 1 is left view of the present utility model (removing a lid) structural representation;
Fig. 2 is a middle leg structure schematic diagram of the present utility model;
Fig. 3 is a fork leg structure schematic diagram of the present utility model;
Fig. 4 is a movable palping foot structural representation of the present utility model;
Fig. 5 is a leg structural representation of the present utility model;
Fig. 6 is a shell structure schematic diagram of the present utility model;
Fig. 7 is a lid structural representation of the present utility model.
Among the figure: driving groove 1, actuated element 2, holddown groove 3 on the middle pin, lid fitting pin 4, installing hole 5, middle pin 6, fork pin 7, movable palping foot 8, leg 9, bit-avoiding slot 10, extension spring fixed pin holes 11, extension spring 12, housing 13, silver contact 14, fork pin conversion groove 15, middle pin gulde edge 16, middle pin installing and locating card 17, fabrication hole 18, movable contact angle location notch 19, movable contact angle conversion place 20, extension spring groove 21, extension spring hole 22, silver contact hole 23, leg alignment pin 25, leg holddown groove 26, extension spring steady pin 27, lid mating holes 28, lid installing hole 29, lid 30, leg groove 31, extension spring holddown groove 32.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified, but embodiment only is preferred embodiment of the present utility model, does not therefore limit protection range of the present utility model.
Embodiment 1:
Extremely shown in Figure 7 as Fig. 1: what present embodiment provided is big apart from sensitive switch, comprise housing 13, actuated element 2, middle pin 6, fork pin 7, leg 9, movable palping foot 8 and lid 30, actuated element 2 is located in the driving groove 1 on the housing 13, actuated element 2 can be a button, also can be push-piece simultaneously, pin 6 is located in the middle pin holddown groove 3 in the housing 13 in described, the middle friendship that middle pin 6 is provided with installs and fixes the card 17 fixing middle positions of pin 6 in middle pin holddown groove 3, leg 9 fixedly is located in the interior leg groove 31 of housing, utilize leg location notch 26 and leg alignment pin 25 on leg groove 31, to position, on the fork pin conversion groove 15 during fork pin 7 is located on the pin 6, the fork pin is provided with movable palping foot location notch 19 and fabrication hole 18, pin gulde edge 16 was located at the below of fork pin 7 during movable palping foot 8 was being complied with, movable contact angle conversion place 20 on the movable contact angle 8 contacts with the movable palping foot location notch 19 of fork on the pin 7, movable palping foot is provided with silver contact hole 23 and extension spring groove 21, be provided with silver contact 14 in the silver contact hole 23, be provided with extension spring 12 in the extension spring groove 21, the extension spring holddown groove 32 on the extension spring steady pin 27 is hooked in the extension spring of extension spring 12 1 ends, the extension spring hole 22 on the movable palping foot 8 is hooked in other end extension spring, and extension spring steady pin 27 is located in the extension spring fixed pin holes 11 on the housing 13.
See Fig. 6 and shown in Figure 7, described housing is provided with and covers fitting pin, covers mating holes covering to be provided with.The position is more stable when assembling with housing in order to cover, and lid fitting pin and lid location hole are surveyed two and corresponding be provided with two.
See Fig. 3, Fig. 5, Fig. 6 and shown in Figure 7, all be provided with fabrication hole on described fork pin 7 and the leg 9, on housing 13, be provided with installing hole 5 and bit-avoiding slot 10, on lid 30, be provided with and cover installing hole 29.
Claims (6)
1. one kind greatly apart from sensitive switch, comprise housing (13), actuated element (2), middle pin (6), fork pin (7), leg (9), movable palping foot (8) and lid (30), actuated element (2) is located in the driving groove (1) on the housing (13), it is characterized in that: pin (6) is located in the interior middle pin holddown groove (3) of housing (13) in described, leg (9) fixedly is located in the interior leg groove (31) of housing (13), the fork pin that fork pin (7) is located on the middle pin (6) is changed on the groove (15), pin gulde edge (16) was located at the below of fork pin (7) during movable palping foot (8) was being complied with, movable palping foot conversion place (20) on the movable palping foot (8) contacts with movable palping foot location notch (19) on fork pin (7), movable palping foot (8) is provided with silver contact hole (23) and extension spring groove (21), be provided with silver contact (14) in the silver contact hole (23), be provided with extension spring (12) in the extension spring groove (21), the extension spring holddown groove (32) on the extension spring steady pin (27) is hooked in the extension spring of extension spring (12) one ends, the extension spring hole (22) on the movable palping foot (8) is hooked in the extension spring of extension spring (12) other end, and extension spring steady pin (27) is located in the extension spring fixed pin holes (11) on the housing (13).
2. according to claim 1 big apart from sensitive switch, it is characterized in that: described housing (13) is provided with and covers fitting pin (4), is provided with on lid (30) and covers mating holes (28).
3. according to claim 2 big apart from sensitive switch, it is characterized in that: the both sides correspondence at housing (13) and lid (30) is provided with two lid fitting pins (4) and lid location hole (28).
4. according to claim 1 or 2 or 3 described big apart from sensitive switch, it is characterized in that: described actuated element (2) is a button.
5. according to claim 1 or 2 or 3 described big apart from sensitive switch, it is characterized in that: all be provided with fabrication hole (18) on described fork pin (7) and the leg (9), on housing (13), be provided with installing hole (5) and bit-avoiding slot (10), on lid (30), be provided with and cover installing hole (29).
6. according to claim 4 big apart from sensitive switch, it is characterized in that: all be provided with fabrication hole (18) on described fork pin (7) and the leg (9), on housing (13), be provided with installing hole (5) and bit-avoiding slot (10), on lid (30), be provided with and cover installing hole (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205250157U CN201788861U (en) | 2010-09-10 | 2010-09-10 | Wide-range micro switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205250157U CN201788861U (en) | 2010-09-10 | 2010-09-10 | Wide-range micro switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788861U true CN201788861U (en) | 2011-04-06 |
Family
ID=43820818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205250157U Expired - Fee Related CN201788861U (en) | 2010-09-10 | 2010-09-10 | Wide-range micro switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201788861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10418195B2 (en) | 2017-06-01 | 2019-09-17 | Defond Electech Co., Ltd | Contact lever for use in an electrical switch assembly |
-
2010
- 2010-09-10 CN CN2010205250157U patent/CN201788861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10418195B2 (en) | 2017-06-01 | 2019-09-17 | Defond Electech Co., Ltd | Contact lever for use in an electrical switch assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20110406 Termination date: 20160910 |