CN202996702U - Multiple anti-tipping switch - Google Patents
Multiple anti-tipping switch Download PDFInfo
- Publication number
- CN202996702U CN202996702U CN 201220713983 CN201220713983U CN202996702U CN 202996702 U CN202996702 U CN 202996702U CN 201220713983 CN201220713983 CN 201220713983 CN 201220713983 U CN201220713983 U CN 201220713983U CN 202996702 U CN202996702 U CN 202996702U
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- China
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- housing
- swing arm
- contact
- movable end
- moving arm
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Abstract
The utility model discloses a multiple anti-tipping switch, comprising a housing, and a micro switch assembly and an anti-tipping mechanism both arranged inside the housing, wherein the anti-tipping mechanism comprises a gravity ball, the gravity ball is arranged inside a funnel-shaped upper cavity arranged inside the housing, the micro switch assembly comprises a micro switch set and a moving arm, the micro switch set comprises at least two micro switches, one end of the moving arm is hinged with the housing, the other end of the moving arm is a movable end, one side surface of the moving arm adjacent to the hinged end is contacted with the contact of the micro switch set, the movable end of the moving arm is located at the bottom of the funnel-shaped upper cavity inside the housing, the gravity ball slides to the bottom of the funnel-shaped upper cavity to press the movable end of the moving arm in a tipping range, the movable end of the moving arm is contacted with the contact of the micro switch set, the contact presses downwards a conductive assembly to switch on a circuit, the gravity ball disengages from the movable end of the moving arm outside the tipping range of the housing, and the moving arm is lifted upwards under the reset effect of the contact of the micro switch set to cut off the circuit.
Description
Technical field
The utility model discloses a kind of Novel anti-falling switch, divide by International Patent Classification (IPC) (IPC) and belong to the sensitive switch class manufacturing technology field of adopting on electrical equipment, especially relate to a kind of multi-joint anti-dumping switch of steel-ball type for adopting on the household electrical appliance such as warm-air drier, electric fan and electric heating installation using oil as medium and other electrical equipment.
Background technology
Anti-dumping switch, be widely adopted on the household electrical appliance such as electric fan, warm-air drier, electric heating installation using oil as medium, its function is when the careless run-off the straight of electrical appliance is namely fallen down danger, and anti-dumping switch is with main frame snap action under gravitate, cut off the electricity supply, avoid causing danger.The steel-ball type anti-dumping switch is by the contact of steel ball rolling and compressing tablet or separates, and controls the action of sensitive switch group and switches on or off power supply.
Existing Anti-tipping microswitch has a sensitive switch mostly, if this sensitive switch group is damaged, cause whole anti-dumping switch to damage, existing Anti-tipping microswitch generally adopts back-moving spring, natural contractility because of back-moving spring very easily occurring makes the stressed spacing hole of deviating from shell of compressing tablet manufacture bad, and existing anti-dumping switch internal forces transmission link is long, makes the sensitive switch group sensitive not, directly affects the effect of overturning-preventing.
Thus, the inventor considers improving, and this case produces thus.
The utility model content
For the deficiencies in the prior art, the utility model provides a kind of simple and reasonable, safe and reliable, dumping switch with multi-level protection.
For achieving the above object, the utility model is achieved through the following technical solutions:
Multi-joint anti-dumping switch, this multi-joint mode dumping switch comprise housing and microswitch component and anti-tipping mechanism in housing be set, wherein:
Anti-tipping mechanism comprises a gravitation ball, and this gravitation ball is arranged in the epicoele of housing inner funnel shape;
microswitch component, comprise the sensitive switch group, swing arm, the sensitive switch group comprises that at least two sensitive switches form many protection circuits, swing arm one end and housing are hinged, the swing arm another end is movable end, one side of the contiguous hinged end of swing arm touches mutually with the contact of sensitive switch group, the swing arm movable end is positioned at the bottom of housing epicoele funnel, gravitation ball slips into funnel in the housing slant range bottom presses down the swing arm movable end, the contact of swing arm movable end touching sensitive switch group, contact presses down conductive component and turning circuit, gravitation ball breaks away from the swing arm movable end outside the housing slant range, swing arm upwards lifts and cuts off circuit at the contact reset response of sensitive switch group.
Further, described conductive component comprises the conducting rod contact of conducting rod and conducting rod one end, and conducting rod another end upper side is connected with spring with contact connection, downside, and described swing arm presses down contact and also presses down successively the conducting that conducting rod and spring are realized circuit.
Further, described swing arm and housing are articulated as one.
Further, described swing arm connects as one by a support chip and housing.
Further, described housing is fastened by the base and cover plate and is integrated and passes through screw lock, is provided with the epicoele of accommodating gravitation ball and the cavity of resorption of accommodating microswitch component in housing, and the cavity between epicoele and cavity of resorption is used for accommodating swing arm.
Further, described gravitation ball is steel ball or ball, and the kinetic moment that in the housing slant range, the gravity of gravitation ball produces is greater than the moment of resistance of the contact reset response power generation of sensitive switch group.
The utility model adopts switch terminal set; this switch terminal set comprises at least two sensitive switches; make it form many protection circuits; and then the security performance of raising main frame; and this is novel due to swing arm, support chip and the sensitive switch group structure that is in one-piece connection, and omits back-moving spring when the steel ball pressure conduction, have course of action succinct, saved again cost simultaneously; noiselessness makes switch have the advantages such as stability, sensitivity, reliability, consistency, feel, noise reduction.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model upward view;
Fig. 3 is the utility model vertical view;
Fig. 4 is the utility model internal structure schematic diagram;
Fig. 5 is the utility model profile;
Fig. 6 is the utility model circuit diagram.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
embodiment: see also Fig. 1 to shown in Figure 6, multi-joint anti-dumping switch, this multi-joint mode dumping switch comprises housing 1 and housing 1 interior microswitch component 2 and anti-tipping mechanism is set, anti-tipping mechanism, comprise a gravitation ball 3, this gravitation ball 3 is arranged in the epicoele 11 of housing 1 inner funnel shape, and this gravitation ball 3 is steel ball or ball, and the kinetic moment that in housing 1 slant range, the gravity of gravitation ball 3 produces is greater than the moment of resistance of the contact 25 reset response power generations of sensitive switch group, microswitch component 2, comprise sensitive switch group 21, swing arm 22, sensitive switch group 21 comprises that at least two sensitive switches 211 form many protection circuits, swing arm 22 1 ends and housing 1 are hinged, swing arm 22 another ends are movable end, one side of swing arm 22 contiguous hinged ends touches mutually with the contact 25 of sensitive switch group 21, swing arm 22 movable ends are positioned at the bottom of housing 1 epicoele 11 funnels, gravitation ball 3 slips into funnel in housing 1 slant range bottom presses down swing arm 22 movable ends, swing arm 22 is touched the contact 25 of sensitive switch group 21 together, contact 25 presses down conductive component 26 and turning circuit, gravitation ball 3 breaks away from swing arm 22 outside housing 1 slant range, swing arm 22 upwards lifts and cuts off circuit at contact 25 reset responses of sensitive switch group 21.
Above-mentioned swing arm 22 and housing 1 (see figure 3) that is articulated as one, this swing arm 22 connects as one (see figure 4) by a support chip and housing.
Operation principle of the present utility model:
The terminal of multi-joint anti-dumping switch connects the circuit (both positive and negative polarity of electric wire) that a plurality of (being at least two) need protection, when main frame is not toppled over, steel ball in anti-dumping switch presses down swing arm by gravity, press down sensitive switch group button after swing arm moves down and drive multi-joint sensitive switch group or the action of a plurality of sensitive switch group, a plurality of movable contact springs drive a plurality of contacts and contact with a plurality of contacts on a plurality of terminals in the sensitive switch group, make duplex anti-dumping switch multi-path line be in simultaneously conducting state, main frame can work; When the main frame run-off the straight or when falling; steel ball in multi-joint anti-dumping switch is under the skew effect of center of gravity and the side that under the reaction force at swing arm, steel ball is pushed over die cavity; steel ball breaks away from swing arm; the swing arm resilience; the multiconductor that causes a plurality of movable contact springs to drive on a plurality of contacts and a plurality of terminal almost breaks away from simultaneously; the multichannel protection circuit disconnects simultaneously in the duplex dumping switch, reaches protected host and avoids some potential safety hazards because toppling over or falling and cause.
Advantage of the present utility model and effective effect are as follows:
1, this multi-joint anti-dumping switch adopts multichannel protection, effectively raises the safeguard protection effect when electrical equipment is toppled over, the potential safety hazard that the single channel anti-dumping switch before having avoided causes because of inefficacy or can not protect the equipment that zero line, live wire are distinguished;
2, the inner sensitive switch group of this multi-joint anti-dumping switch adopts the pedestal integral structure, has improved the stability of assembling, has improved the stability of duplex anti-dumping switch;
3, this multi-joint anti-dumping switch adopts integrated contact, uses 1 to control simultaneously a plurality of sensitive switches (being the sensitive switch group) action by contact, has improved the synchronism of sensitive switch action, and has improved the stability of multi-joint anti-dumping switch;
4, this multi-joint anti-dumping switch adopts 1 swing arm to control simultaneously a plurality of sensitive switch actions by pressing down button, has improved the synchronism of sensitive switch group action, has reduced material cost, and has improved the stability of multi-joint anti-dumping switch;
5, this multi-joint anti-dumping switch adopts 1 steel ball to press down 1 contact by 1 swing arm and controls simultaneously a plurality of sensitive switch actions, has improved the synchronism of sensitive switch group action, has reduced material cost, and has improved the stability of multi-joint anti-dumping switch.
The above record, only for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do all belong to the scope of the claims that this creation is advocated, and are not limited to those disclosed embodiments.
Claims (6)
1. multi-joint anti-dumping switch is characterized in that: this multi-joint mode dumping switch comprises housing and microswitch component and anti-tipping mechanism in housing is set, wherein:
Anti-tipping mechanism comprises a gravitation ball, and this gravitation ball is arranged in the epicoele of housing inner funnel shape;
microswitch component, comprise the sensitive switch group, swing arm, the sensitive switch group comprises that at least two sensitive switches form many protection circuits, swing arm one end and housing are hinged, the swing arm another end is movable end, one side of the contiguous hinged end of swing arm touches mutually with the contact of sensitive switch group, the swing arm movable end is positioned at the bottom of housing epicoele funnel, gravitation ball slips into funnel in the housing slant range bottom presses down the swing arm movable end, the contact of swing arm movable end touching sensitive switch group, contact presses down conductive component and turning circuit, gravitation ball breaks away from the swing arm movable end outside the housing slant range, swing arm upwards lifts and cuts off circuit at the contact reset response of sensitive switch group.
2. multi-joint anti-dumping switch according to claim 1, it is characterized in that: described conductive component comprises the conducting rod contact of conducting rod and conducting rod one end, conducting rod another end upper side is connected with spring with contact connection, downside, and described swing arm presses down contact and also presses down successively the conducting that conducting rod and spring are realized circuit.
3. multi-joint anti-dumping switch according to claim 1 and 2, it is characterized in that: described swing arm and housing are articulated as one.
4. multi-joint anti-dumping switch according to claim 1 and 2, it is characterized in that: described swing arm connects as one by a support chip and housing.
5. multi-joint anti-dumping switch according to claim 1, it is characterized in that: described housing is fastened by the base and cover plate and is integrated and passes through screw lock, be provided with the epicoele of accommodating gravitation ball and the cavity of resorption of accommodating microswitch component in housing, the cavity between epicoele and cavity of resorption is used for accommodating swing arm.
6. multi-joint anti-dumping switch according to claim 1, it is characterized in that: described gravitation ball is steel ball or ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220713983 CN202996702U (en) | 2012-12-21 | 2012-12-21 | Multiple anti-tipping switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220713983 CN202996702U (en) | 2012-12-21 | 2012-12-21 | Multiple anti-tipping switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996702U true CN202996702U (en) | 2013-06-12 |
Family
ID=48567845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220713983 Expired - Fee Related CN202996702U (en) | 2012-12-21 | 2012-12-21 | Multiple anti-tipping switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229560A (en) * | 2020-10-30 | 2021-01-15 | 成都凯天电子股份有限公司 | Double-margin high-reliability pressure annunciator |
-
2012
- 2012-12-21 CN CN 201220713983 patent/CN202996702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229560A (en) * | 2020-10-30 | 2021-01-15 | 成都凯天电子股份有限公司 | Double-margin high-reliability pressure annunciator |
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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: 20130612 Termination date: 20151221 |
|
| EXPY | Termination of patent right or utility model |