CN203774173U - Fall protection switch - Google Patents
Fall protection switch Download PDFInfo
- Publication number
- CN203774173U CN203774173U CN201420083488.4U CN201420083488U CN203774173U CN 203774173 U CN203774173 U CN 203774173U CN 201420083488 U CN201420083488 U CN 201420083488U CN 203774173 U CN203774173 U CN 203774173U
- Authority
- CN
- China
- Prior art keywords
- switch
- ball
- handle
- moving handle
- shell fragment
- 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
Links
- 230000005484 gravity Effects 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000012634 fragment Substances 0.000 claims description 32
- 230000000694 effects Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 2
- 230000008034 disappearance Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Tumbler Switches (AREA)
Abstract
The utility model provides a fall protection switch. The fall protection switch comprises a switch housing which is composed of a front main cover and a rear main cover which are connected together. A triggering part and a micro-switch are further arranged in the housing, wherein the triggering part is positioned above the micro-switch. The triggering part includes a rolling cavity in which a ball and a movable handle connected with the ball in a triggering manner are disposed. The movable handle is connected with a pressing handle of the micro-switch. When the fall protection switch is in a horizontal state, the ball is in contact with the movable handle, and the handle presses against the pressing handle of the micro-switch to keep the micro-switch in a communicated state. When the fall protection switch tilts in any angle exceeding 30 DEG, the ball, due to the action of gravity, leaves the movable handle and rolls in any direction in the housing, the pressing handle of the micro-switch and the movable handle connected with the pressing handle get are no longer subject to the pressure of the ball and are sprung up, and the micro-switch maintains an open state. According to the fall protection switch, the possibility of misjudgment by the switch is lowered while the sensitivity of the switch is substantially improved, and the cost of the switch is reduced and the service life of the switch is prolonged.
Description
Technical field
The utility model relates to the one protection switch field of falling.
Background technology
Household electrical appliance on the market; especially the inner household electrical appliances of fluid box or heat generating member or the electrical equipment of high speed rotating of being equipped with; the electrical equipment of easily toppling over as air cooler, desk type electric fan, electric heater, humidifier etc.; the as easy as rolling off a log accident that meets accident in the time toppling over; therefore the protection switch of falling is installed in these household electrical appliance; once these household electrical appliances are unexpected or artificial toppling over, and auto-breaking prevents the generation of contingency.
For realizing this purpose, the existing protection switch of falling, there is multiple pattern, as pendulum, ball-type, roller etc., in these switches, pendulum, roller can only roll in single plane, and protective action is limited, ball-type can roll in any direction, expand the protective range of anti-dumping switch, existing mechanical type anti-falling protective switch is generally by shell, sensitive switch, ball, connecting rod, support bar forms, can omnirange move, and play omnibearing protective effect, and as the modified model of this switch, majority is designs simplifications and changes inner parts to improve useful life, but such switch internal structure is still very complicated, cost is higher, and more complicated part more easily damages, can't reach expection requirement useful life, great majority fell protection switch due to ball iron or that steel is electroplated on the market, a lot of anti-down protection switches insensitive on the market, magnitude of inclination is also inconsistent, the electrical equipment effect of just can opening of falling completely, or too sensitive, vibrations will start a little, cause switch erroneous judgement electric protection, affecting user normally uses electrical equipment, simultaneously power-off also can reduce useful life of electrical equipment frequently.
The anti-switch that falls of current ball on the market, all adopt the key component of ball as conduction, connect and make circuit keep channel status by ball, when ball moves a little, circuit disconnects, in the time that ball is subject to oxide etch and is stained with dust, even if ball inactive state also can loose contact, affect the use of whole electrical equipment, even maintenance path, vibrations disconnect appliance circuit a little, not only do not have effective protective effect, and the life-span that power-off meeting reduces electrical equipment greatly frequently, therefore in the electrical equipment of growing in some life-spans, the drawback of this type of switch is particularly evident.
Utility model content
For overcoming above-mentioned defect; the purpose of this utility model is to provide the one protection switch of falling; realize the technical scheme that ball separates with switch; greatly improve the sensitivity of switch; also reduced the possibility of switch erroneous judgement simultaneously; in the useful life of improving switch, the switch with above-mentioned advantage is to realize by following technical proposals.
The one protection switch of falling, comprise switch case, connected and composed by Qian Zhugai and rear main lid two parts, in housing, also comprise touch part and sensitive switch, described touch part is positioned at the top of described sensitive switch, it is characterized in that described touch part comprises rolling chamber, in described rolling chamber, there is a ball and touch with ball the moving handle being connected, described moving handle is connected with the handle of described sensitive switch, when switch is during in level, ball contacts with moving handle, the handle that described moving handle is pressed described sensitive switch makes described sensitive switch keep connected state, when described switch tilts arbitrarily angled while exceeding 30 °, described ball is described moving handle arbitrary directional rolling in housing because Action of Gravity Field leaves, the handle of described sensitive switch and the moving handle being attached thereto are no longer subject to ball pressure and upspring, described sensitive switch remains open state.
Be substitute part at moving handle described in the utility model, because sensitive switch handle position is not at central point, so increase this moving handle, ball unshakable in one's determination is put in moving handle top.
In the utility model, sensitive switch comprises by protecgulum and the close-connected lid of bonnet, in lid, also comprise shell fragment, contact and multiple pin, described handle is connected with Z-type movable contact spring one end in lid, one section of the other end of Z-type movable contact spring and shell fragment is connected, the other end of described shell fragment is connected with a movable contact spring, and due to the elastic force effect of shell fragment, described Z-type movable contact spring and movable contact spring keep the displacement of certain amplitude.In the time that ball contacts with moving handle, ball applies the gravity of a spheroid to moving handle, under the effect of this gravity, moving handle and handle and Z-type movable contact spring reach this active force on shell fragment, make shell fragment generation elastic deformation, in the time that ball spheroid separates with moving handle, spheroid gravity on moving handle disappears, and owing to not having spheroid gravity to be applied on shell fragment, shell fragment will restore to the original state, due to the effect of shell fragment, moving handle pops up.
In the utility model, sensitive switch also comprises multiple pins, comprise long pin, short pin and Z-type pin, wherein long pin and short pin, long, the corresponding position of short pin respectively arranges a contact, between two contacts, can contact also and can separate, in the time of contact, long, the circuit that short pin connects separately keeps channel status, when separately, the circuit that length pin connects separately remains open state, Z-type pin can keep connection status by movable contact spring with short pin, in the time that contact contacts, the circuit that long pin is connected with Z-type pin keeps channel status, in the time that contact separates, long pin remains open state with the circuit that Z-type pin is connected separately.
Sensitive switch in the utility model, the contact of length pin is to have good riveted silver contact point mutually to dock, and having band to add senior phosphorus beryllium copper, to carry out contact force and life-span of control switch not yielding, stronger electric current can be passed through in position, contact, both sides.
In the utility model, the preferred ferrous material of described ball forms, as further improvement, the complete especially encapsulate of special ball external application unshakable in one's determination, can control the amplitude of touching sound and beating of iron and other object, ball unshakable in one's determination thereupon its center of gravity in switch center, if thereby tilt ball separates sensitive switch handle with regard to rolling to some extent, irony spheroid outer wrapping one deck plastic material, can be with rubber, soft plastic material parcel, in the time that switch shakes slightly, spheroid can't shake thereupon, improves the stability that switch uses.
In the utility model, described Qian Zhugai is connected with rear main lid pressing, also can be screwed connection, and its connecting portion is made water-proofing treatment, conventionally uses marine glue bonding, or adopts other water proof and dust proof measures.
In the utility model, described touch part forms by nonconducting material, and therefore electric current, without touch part, only circulates in sensitive switch, improves stability and the useful life of switch.
By the technical solution of the utility model, have the following advantages:
1, the cooperation of the internal structure of tumbler switch is proper, dynamics sensitivity.
2, solved many clients use electric heater worry all bother.
3, tumbler switch design, can meet the needs of special heating element, power cost saving, and energy consumption, reaches the effect of environmental protection and energy saving.
4, easy to use, operate simpler.
Brief description of the drawings
Fig. 1 is the schematic perspective view of a kind of protection switch of falling in the utility model embodiment.
Fig. 2 is the decomposing schematic representation of a kind of protection switch of falling in the utility model embodiment.
Fig. 3 is the vertical section schematic diagram of a kind of protection switch of falling in the utility model embodiment.
Embodiment
Below in conjunction with embodiment, invention is described in further detail.
Please refer to Fig. 1 and Fig. 2; Fig. 1 is that schematic perspective view, Fig. 2 of a kind of protection switch of falling is a kind of decomposing schematic representation of the protection switch of falling; switch 10 comprises front main lid 11 and rear main lid 12; Qian Zhugai and Hou Zhugai with become upper and lower two chambeies, epicoele to be used for holding touch part 2; cavity of resorption is settled sensitive switch 3, and touch part 2 is spaces of a sealing, contains rolling chamber 21; in rolling chamber 21, have a ball 22, ball 22 is positioned at the top of moving handle 23 and keeps in touch.
The housing of sensitive switch 3 is made up of fore shell 13 and back cover 14, fore shell and back cover can be fixed by screw, and adopt marine glue one to improve water proof and dust proof performance, in sensitive switch, comprise the handle 31 being connected with moving handle 23, handle 31 is connected with one end of Z-type movable contact spring 32, the other end of Z-type movable contact spring 32 is connected with one end of shell fragment 33, and the other end of described shell fragment 33 is connected with a movable contact spring 34.In the time that ball 22 contacts with moving handle 23, ball 22 applies the gravity of a spheroid to moving handle 23, under the effect of this gravity, moving handle 23 and connected handle 31 and Z-type movable contact spring 32 reach this active force on shell fragment 33, make shell fragment 33 that elastic deformation occur, this state is conventional state, in the time that ball 22 spheroids separate with moving handle 23, spheroid gravity on moving handle 23 disappears, owing to not having spheroid gravity to be applied on shell fragment 33, shell fragment 33 will restore to the original state, and due to the elastic force effect of shell fragment, moving handle 23 pops up.
Sensitive switch also comprises multiple pins, comprise long pin 37, short pin 35 and Z-type pin 39, wherein long pin 37 and short pin 35, the corresponding position of long and short pin respectively arranges a contact, long pin contacts 38 and short pin contacts 36, between two contacts, can contact also and can separate, when long pin contacts 38 with short pin contacts 36 in the time contacting, the circuit that long and short pin connects separately keeps channel status, in the time that long pin contacts 38 is separated with short pin contacts 36, the circuit that length pin connects separately remains open state.
Be embodied in, in the time that ball 22 is positioned at moving handle 23 top, the gravity that ball spheroid applies moving handle 23 is by the handle 31 being connected with moving handle 23, the Z-type movable contact spring 32 being connected with handle acts on shell fragment 33, shell fragment 33 is subject to this Action of Gravity Field and produces deformation, and the other end of shell fragment 33 is connecting short haptic element 35, long pin contacts 38 now and short pin contacts 36 are because state is kept in touch in the impact of ball Action of Gravity Field, in the time that ball moves, by the handle 31 being connected with moving handle 23, the Z-type movable contact spring 32 being connected with handle acts on the gravity disappearance that the ball on shell fragment 33 produces, shell fragment 33 keeps original shape, short haptic element 35, long pin contacts 38 now and the impact maintenance released state of short pin contacts 36 due to the effect of shell fragment 33 elastic force.
One of Z-type pin 39 stretches out that sensitive switch 3 is outer can be welded on circuit board, one of long pin 37 also one of projection in sensitive switch 3 external weldings on circuit board, in the technical program, Z-type pin 39 can keep connection status by movable contact spring with short pin 35, when long pin contacts 38 with short pin contacts 36 in the time contacting, the circuit that the Z-type pin 39 that long pin 37 is communicated with short pin 35 and with short pin is connected keeps channel status, when long pin contacts 38 is separated with short pin contacts 36, the circuit that the Z-type pin 39 that long pin 37 is communicated with short pin 35 and with short pin is connected remains open state.
Front main lid 11 is connected with rear main lid 12 pressings; its connecting portion is made water-proofing treatment; conventionally use marine glue bonding; or adopt other waterproof measures; make to form a seal cavity, have the effect of water proof and dust proof, ball 22 is adequately protected; can effectively prevent from being corroded and polluting, stability and useful life are provided greatly.
Please refer to Fig. 3; Fig. 3 is the vertical section schematic diagram of a kind of protection switch of falling in the utility model embodiment; when switch gradient exceedes 30 while spending; ball 22 in touch part 2 rolls because Action of Gravity Field starts adipping; until disengage with moving handle 23; after disengaging, switch opens guard mode, disconnects long and short.
The above embodiment has only expressed part execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (8)
1. the protection switch of falling, comprise switch case, connected and composed by Qian Zhugai and rear main lid two parts, in housing, also comprise touch part and sensitive switch, described touch part is positioned at the top of described sensitive switch, it is characterized in that described touch part comprises rolling chamber, in described rolling chamber, there is a ball and touch with ball the moving handle being connected, described moving handle is connected with the handle of described sensitive switch, when switch is during in level, ball contacts with moving handle, the handle that described moving handle is pressed described sensitive switch makes described sensitive switch keep connected state, when described switch tilts arbitrarily angled while exceeding 30 °, described ball is described moving handle arbitrary directional rolling in housing because Action of Gravity Field leaves, the handle of described sensitive switch and the moving handle being attached thereto are no longer subject to ball Action of Gravity Field and upspring, described sensitive switch remains open state.
2. the one as claimed in claim 1 protection switch of falling; it is characterized in that described sensitive switch also comprises a shell fragment; when described handle and the moving handle being attached thereto are no longer subject to ball Action of Gravity Field, described handle and the moving handle that is attached thereto are upspring in the elastic force effect of shell fragment.
3. the one as claimed in claim 1 protection switch of falling; it is characterized in that described sensitive switch comprises by protecgulum and the close-connected lid of bonnet; in lid, also comprise shell fragment, multiple contact and multiple pin; described handle is connected with Z-type movable contact spring one end in lid; the other end of described Z-type movable contact spring is connected with one end of shell fragment; the other end of described shell fragment is connected with a movable contact spring, and due to the elastic force effect of shell fragment, described Z-type movable contact spring and movable contact spring keep the displacement of certain amplitude.
4. the one as claimed in claim 3 protection switch of falling; it is characterized in that described sensitive switch also comprises multiple pins; comprise long pin, short pin and Z-type pin; the corresponding position of wherein said long pin and short pin respectively arranges long pin contacts and a short pin contacts, and described long pin contacts and short pin contacts can keep in touch or off-state.
5. the one as claimed in claim 4 protection switch of falling, is characterized in that described long pin contacts and short pin contacts docked mutually by the riveted silver contact point that has band to add senior phosphorus beryllium copper.
6. the one as claimed in claim 1 protection switch of falling, is characterized in that described ball is to be made up of iron, and outer one deck of irony spheroid of described ball can be wrapped up by the one of rubber, soft plastic material.
7. the protection switch of falling of the one as described in claim 1 or 2 any one; it is characterized in that in the time that ball contacts with moving handle; ball applies the gravity of a spheroid to moving handle; under the effect of this gravity; moving handle and handle and Z-type movable contact spring reach this active force on shell fragment, make shell fragment generation elastic deformation.
8. the protection switch of falling of the one as described in claim 1 or 2 any one; it is characterized in that when described switching device is in heeling condition; and gradient is more than 30 ° time; because ball described in Action of Gravity Field rolls in rolling chamber; and separate with described moving handle; the gravity disappearance that described ball applies shell fragment by moving handle and the handle being connected with moving handle thereof and Z-type movable contact spring, shell fragment restores to the original state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083488.4U CN203774173U (en) | 2014-02-23 | 2014-02-23 | Fall protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083488.4U CN203774173U (en) | 2014-02-23 | 2014-02-23 | Fall protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774173U true CN203774173U (en) | 2014-08-13 |
Family
ID=51291331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083488.4U Expired - Fee Related CN203774173U (en) | 2014-02-23 | 2014-02-23 | Fall protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774173U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873015A (en) * | 2015-04-23 | 2015-09-02 | 浙江海洋学院 | Control table of shell treatment system |
| CN113628927A (en) * | 2021-08-12 | 2021-11-09 | 东莞市德沃电子科技有限公司 | Anti-toppling switch |
| CN114278983A (en) * | 2021-12-23 | 2022-04-05 | 张天巍 | Safety switch for electric heater and electric heater |
-
2014
- 2014-02-23 CN CN201420083488.4U patent/CN203774173U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873015A (en) * | 2015-04-23 | 2015-09-02 | 浙江海洋学院 | Control table of shell treatment system |
| CN113628927A (en) * | 2021-08-12 | 2021-11-09 | 东莞市德沃电子科技有限公司 | Anti-toppling switch |
| CN114278983A (en) * | 2021-12-23 | 2022-04-05 | 张天巍 | Safety switch for electric heater and electric heater |
| CN114278983B (en) * | 2021-12-23 | 2024-03-15 | 东莞台欣电子有限公司 | Safety switch for electric heater and electric heater |
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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 |
Granted publication date: 20140813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |