CN203895390U - Self-recovery type safe traction breaker - Google Patents
Self-recovery type safe traction breaker Download PDFInfo
- Publication number
- CN203895390U CN203895390U CN201420263499.0U CN201420263499U CN203895390U CN 203895390 U CN203895390 U CN 203895390U CN 201420263499 U CN201420263499 U CN 201420263499U CN 203895390 U CN203895390 U CN 203895390U
- Authority
- CN
- China
- Prior art keywords
- moving part
- self
- state
- circuit breaker
- release link
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a self-recovery type safe traction breaker, comprising an operating handle, a self-recovery portion, and an elastic reset portion. The operating handle is provided with a moment transmission shaft which is fixedly connected with the operating handle. The moment transmission shaft makes the operating handle to operate when transmitting moment, so that the breaker at least has a first status and a second status. The self-recovery portion comprises a first linkage element and a second linkage element. The first linkage element is fixedly connected with the moment transmission shaft, so that the first linkage element and the operating handle rotate with the moment transmission shaft at the same time. The first linkage element is provided with a main tooth portion. The elastic reset portion comprises a first reset rod and a second reset rod. One end of the first reset rod is connected with one end of the second reset rod through a movable shaft. The other end of the first reset rod is fixedly connected with the second linkage element. The other end of the second reset rod is fixed on the body of the self-recovery portion. Through cooperation of the self-recovery portion and the elastic reset portion, a safe breaker which is disconnected because of overload can automatically reset, so the breaker can be switched to a connected status from a disconnected status.
Description
Technical field
The utility model belongs to Low Voltage Electrical Apparatus, relate in particular to a kind of can be after overvoltage tripping operation Power resumption and can carry out the self-recovering type that Long-distance Control makes safety cut-out be reset to on-state by disconnection and draw safely circuit breaker voluntarily.
Background technology
At present, the common employing of the two poles of the earth miniature circuit breaker of family expenses, occupation rate in common citizen life reaches more than 70%, before external power delivery is extremely indoor, need to first through a safety cut-out switch, transmit, so that its electricity consumption is carried out to safety guarantee, this common the two poles of the earth miniature circuit breaker is mainly by the housing separating, transmission mechanism, overload protection arrangement, arc-control device, dynamic/static contact and binding post form, its inside by middle casing by two polar circuits separately, transmission mechanism is wherein mainly by trip gear, contact rack, U-shaped connecting rod and operating grip form, when overload, trip gear is threaded off, under the effect of portion's spring force, make to be separated from each other between dynamic/static contact within it, and operating grip is disconnected.
The power supply box that this two poles of the earth small-sized safety circuit breaker is installed is generally all arranged on outdoor, therefore, when occurring using electric fault,, can there is " tripping operation " phenomenon in safety cut-out meeting automatic shutdown circuit, at this moment need professional to arrive outdoor to connect circuit, caused thus inconvenience, and, if when now someone utilizes this situation to carry out illegal situation, also can cause to indoor user the infringement of the person or property aspect, therefore need a kind of circuit breaker that can recover voluntarily.
On market, also there is the self-recovering type of controlling by automation operational module to cross under-voltage protector, as the self-recovering type that number of patent application is 201220629304 is crossed under-voltage protector, it is by the mechanical operational module of signal controlling module controls one, by this machinery operational module, drive a push rod to promote the contact action of circuit breaker, and can also schematically report to the police by alarm lamp or Buzzing module, but this self-recovering type is crossed under-voltage protector and is only applicable to miniature circuit breaker, it involves great expense, common user does not use the miniature circuit breaker of this type yet, and it is in the signal of reporting to the police, also can have influence on other people.
Due to the more above-mentioned problem existing in actual conditions, and the product also not addressing these problems at present or method occur, therefore proposes a kind of have self-recovering function and safety cut-out that can Long-distance Control.
Utility model content
For the deficiencies in the prior art, technical problem to be solved in the utility model: be to provide a kind of self-recovering type to draw safely circuit breaker, by Self-resetting Bu Huo remote reset mechanism, the safety cut-out disconnecting is resetted, make under overload situations or the safety cut-out disconnecting under other extraneous factor can self-resetting or remote reset.
In order to solve the problems of the technologies described above, the technical solution of the utility model is specific as follows:
Self-recovering type draws safely a circuit breaker, comprising:
Operating grip, has that a torque transmitting axle is fixedly connected with this operating grip, and described torque transmitting axle makes described operating grip action when carry-over moment, so that circuit breaker at least has one first state and one second state;
Self-resetting portion, include the first moving part and the second moving part, described the first moving part is fixedly connected on described torque transmitting axle, to rotate with described torque transmitting axle with described operating grip simultaneously, and described the first moving part has a main tooth portion, described the second moving part has a secondary tooth portion again, the secondary tooth portion engagement of the main tooth portion of described the first moving part and described the second moving part;
Elastic reset portion, include the first release link and the second release link, one end of described the first release link is connected by movable axis with one end of described the second release link, the other end of described the first release link is fixedly connected on described the second moving part, the other end of described the second release link is fixed on the body of Self-resetting portion, and is provided with an elastomeric element between the other end of described the first release link and the other end of described the second release link;
Under the first state, described the first moving part and the second moving part are parallel to the base plate of described Self-resetting portion, and now described elastomeric element is in naturally inelastic state, under the second state, described the first moving part and the second moving part are upturned and the shape α that has angle, and now described elastomeric element is in a stretching and have restoring force state.
Above-mentioned self-recovering type draws safely circuit breaker, and described the second moving part also has second axle that is movably connected on the body of described Self-resetting portion, so that described the second moving part is around described the second axle action.
Above-mentioned self-recovering type draws safely circuit breaker, and described the first moving part and described the second moving part all have a kink, and under the second state, two kinks contact, so that form described angle α between described the first moving part and the second moving part.
Above-mentioned self-recovering type draws safely circuit breaker, and described angle α is 140 ° ~ 160 °.
Above-mentioned self-recovering type draws safely circuit breaker, described main tooth portion is identical with the number of teeth of described secondary tooth portion, and be 3 ~ 7, to coordinate kink described in two to make described the first moving part and described the second moving part mesh rotation within the scope of the complementary angle of described angle α.
Above-mentioned self-recovering type draws safely circuit breaker, described the first moving part and described the second moving part all have a radian, when the first state is converted to the second state, between the base plate of radian and described Self-resetting portion, contact described in each, be beneficial to the state conversion of described the first moving part and described the second moving part.
Above-mentioned self-recovering type draws safely circuit breaker, and described elastomeric element is rubber spring or double-spring structure.
Further, also comprise a remote reset mechanism, it includes:
Sheave portion, includes plural pulley; And
Flexible cable portion, the movable axis of described elastic reset portion is fixed in its one end, and the other end is arranged at indoor, and the flexible cable portion body between two ends is walked around each pulley of described sheave portion and is arranged at indoor.
Above-mentioned self-recovering type draws safely circuit breaker, also includes a grip part, is arranged on the other end of described flexible cable portion.
Above-mentioned self-recovering type draws safely circuit breaker, and described flexible cable portion is a kind of or its combination in rope, adhesive tape, cable wire or chain.
The beneficial effects of the utility model are:
(1), by the cooperation of Self-resetting portion and elastic reset portion, can make the safety cut-out self-resetting because of overload condition or the disconnection of extraneous physical factor, so that it is converted to on-state by off-state;
(2) in the situation that user is home-confined, can also draw by being arranged on indoor remote reset mechanism, thereby make safety cut-out be converted to on-state by off-state;
Angle α between (3) first moving parts and the second moving part is 140 ° ~ 160 °, thereby the stroke that the first moving part and the second moving part are advanced when the first state is converted to the second state is as far as possible little, ensureing that described elastic reset portion has under the prerequisite of sufficient intensity under extended state, and then it is also enough little to make elastic reset portion make described the first moving part and the second moving part carry out the displacement of Self-resetting;
(4) by the cooperation of two radians, two kinks and major and minor tooth portion, reduce to the full extent the moment transmission loss between two serial verb constructions;
(5) double-spring structure or rubber spring can guarantee that the first moving part and the second moving part have enough restoring forces.
figure of description
Fig. 1 is the overall structure schematic diagram that self-recovering type described in the utility model draws safely circuit breaker;
Fig. 2 is the operating grip structural representation that self-recovering type described in the utility model draws safely circuit breaker;
Fig. 3 is the structural representation of Self-resetting portion structure under the first state that self-recovering type described in the utility model draws safely circuit breaker;
Fig. 4 is the first moving part/the second moving part schematic diagram that self-recovering type described in the utility model draws safely circuit breaker;
Fig. 5 is the elastic reset portion structural representation that self-recovering type described in the utility model draws safely circuit breaker;
Fig. 6 is the overall schematic with remote reset mechanism that self-recovering type described in the utility model draws safely circuit breaker.
In figure:
1-operating grip; 101-torque transmitting axle;
2-Self-resetting portion; 201-the first moving part;
202-the second moving part; 203-the second axle;
204-kink; 211 main tooth portions;
221 secondary tooth portions; 205-radian;
3-elastic reset portion; 301-the first release link;
302-the second release link; 303-movable axis;
304-elastomeric element;
4-remote reset mechanism; 401-sheave portion;
402-flexible cable portion; 403-grip part;
O-Self-resetting portion body; P-base plate.
Embodiment
The following description and drawings illustrate specific embodiments of the present utility model fully, to enable those skilled in the art to put into practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise independent parts and function are optional, and the order of operation can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiment.The scope of embodiment of the present utility model comprises the gamut of claims, and all obtainable equivalent of claims.In this article, these embodiments of the present utility model can be represented with term " utility model " individually or always, this is only used to conveniently, and if in fact disclose the utility model that surpasses, not that the scope that will automatically limit this application is any single utility model or utility model design.
Embodiment 1
As shown in Figure 1, for self-recovering type described in the utility model draws safely circuit breaker, it is mainly comprised of an operating grip 1, a Self-resetting portion 2, an elastic reset portion 3.
In the present embodiment, the first state is the on-state of safety cut-out, the second state is the off-state of safety cut-out, and when there is overload situations (overvoltage or overcurrent), safety cut-out is converted to the second state from the first state and from on-state, is converted to off-state.
As shown in Figure 2, for self-recovering type described in the utility model draws safely the structural representation of the operating grip 1 of circuit breaker, described operating grip 1 is the external manipulation mechanism of a small-sized safety circuit breaker, it has a torque transmitting axle 101, between this torque transmitting axle 101 and described operating grip 1 for being fixedly connected with or integrated formed structure, the transmission mechanism of described operating grip 1 and small-sized safety circuit breaker inside, contact, the connections such as bar linkage structure, when overload, can pass through contact, the action of tripping mechanism and transmission mechanism makes described operating grip 1 from the first state to the conversion the second state.
Similarly, with external force, pull described operating grip 1 and also can realize the contact of active and static contact by the transmission of transmission mechanism, bar linkage structure etc., thereby realize safety cut-out from the second state to the conversion the first state.
As shown in Figure 3, Figure 4, for self-recovering type described in the utility model draws safely the structural representation of the Self-resetting portion 2 of circuit breaker, described Self-resetting portion 2 is a box body shape structure, it is mainly comprised of the body O of Self-resetting portion, the first moving part 201 and the second moving part 202, as can be seen from Figure, described the first moving part 201 and the second moving part 202 are slightly tilting " L " shape, wherein, the longer sides of " L " shape moves centered by compared with the axial region at minor face place by it in certain arc track, and its longer sides and compared with forming kink 204 between minor face.
Described the first moving part 201 and described the second moving part 202 are in the structure with kink 204 as shown in Figure 4, preferably, described the first moving part 201 and both structures of the second moving part 202 are identical, its difference is, described the first moving part 201 is socketed on the torque transmitting axle 101 of operating grip 1 described in, when this torque transmitting axle 101 carry-over moment, drive the action jointly thereupon of described operating grip 1 and described the first moving part 201, to complete safety cut-out by the conversion between the first state to the second state, and described the second moving part 202 is movably connected on one second axle 203, this second axle 203 is fixed on the described Self-resetting body O of portion, when rotating, described the second moving part 202 be take described the second axle 203 as the center of circle along certain arc track action.
Described the first moving part 201 has a main tooth portion 211, and described the second moving part 202 has a secondary tooth 221(of portion referring to Fig. 1), between described the first moving part 201 and described the second moving part 202 by main tooth portion 211 and 221 engagements of secondary tooth portion, during stressed being driven in the first moving part 201 and described the second moving part 202, can drive wherein another to move by this meshing relation thereupon.
When being converted to the second state by the first state, described the first moving part 201 drives described the second moving part 202 to rotate, and when being converted to the first state by the second state, described the second moving part 202 drives described the first moving part 201 to rotate.
Preferably, described main tooth portion 211 is identical with the number of teeth of secondary tooth portion 221, and be all at least 3, mostly be most 7, to avoid forming plumbness because the number of teeth too much makes the first moving part 201 and the second moving part 202, not only avoided making limited active force consumption on the center of gravity that makes the first moving part 201 and the second moving part 202 improves, but also the energy loss forming because of the existence of coefficient of friction in engagement process of having avoided therefore causing.
Described in described the first moving part 201/, the second moving part 202 respectively has a kink 204, at the second moving part 202 two kinks 204 when state switches described in described the first moving part 201/, contact, to prevent collision between the first moving part 201 and described the second moving part 202, and between the two L-shaped longer sides of the second moving part 202 described in the first moving part 201/ the shape α that has angle, preferably, the scope of this angle α is 140 ° ~ 160 °.
Further, described in each described in the first moving part 201/ the second moving part 202 L-shaped compared with minor face and be positioned at main tooth portion 211 or the below of secondary tooth portion 221 is respectively provided with a circular arc 205, make when described the first moving part 201 is driven by described torque transmitting axle 101, and described the second moving part 202 is when described the second axle 203 rotates, described in described the first moving part 201/, between the second moving part 202 and the base plate P of described Self-resetting portion 2, there is the contact area of a minimum, thereby reduce on the other hand the energy loss that it brings because of contact friction.
Four-headed arrow M in Fig. 1 and four-headed arrow N have indicated the moving direction schematic diagram of described the first moving part 201/ second moving part 202 when being converted to the first state by the second state and being converted to the second state by the first state, and in figure, dotted portion is the structural relation between described the first moving part 201/ second moving part 202 and the described Self-resetting body O of portion under the first state, as in Fig. 1 or as shown in Fig. 3, when the first state, described the first moving part 201/ second moving part 202 is a straight line and is arranged on the position, upper strata of described Self-resetting portion 2 and is parallel to described base plate P, in addition, when the second state, described the first moving part 201 and the second moving part 202 are respectively along four-headed arrow M, N is upturned, and the angle forming is between the two described angle α.
Between described the first moving part 201/ second moving part 202 and the described Self-resetting body O of portion, contact site also arranges a miniature reed (not shown), provides one faint towards the consistent elastic force of described the first moving part 201/ second moving part 202 moving direction separately when described the first moving part 201/ second moving part 202 is converted to the second state by the first state.
As shown in Figure 5, described elastic reset portion 3 includes the first release link 301 and the second release link 302, one end of described the first release link 301 is connected by a movable axis 303 with one end of described the second release link 302, and in conjunction with Fig. 1, the other end of described the first release link 301 is fixedly connected on described the second moving part 202, the other end of described the second release link 302 is fixed on a side of described Self-resetting portion 2, and is provided with an elastomeric element 304 between the other end of described the first release link 301 and the other end of described the second release link 302.
Under the first state, angle between the longer sides of described the first moving part 201/ second moving part 202 is 180 °, each longer sides is parallel to the base plate P of described Self-resetting portion 2, the end of the end of described the second moving part 202 and described the first release link 301 is fixedly connected, under this first state, the elastomeric element 304 being connected between the first release link 301 and the second release link 302 is positioned at nature without stretching or compressive state, therefore, between described the first release link 301 and the second release link 302, there is no active force, thereby make safety cut-out remain on the first state.
When occurring that overload situations or human factor are pulled lower described operating grip 1, described operating grip 1 is because the drive of the transmission mechanism in safety cut-out is moved, there is the skew of certain angle, be embodied in described operating grip 1 and be converted to the second state (" off " on killer switch) from the first state (" on " killer switch).
Transmission mechanism is by torque transmitting axle 101 carry-over moments again, therefore at torque transmitting axle 101, transmit and operating grip 1 state is changed, the first interlinked mechanism 201 with described torque transmitting axle 101 for being coaxially fixedly connected with, torque transmitting axle 101 can drive described operating grip 1 and described the first syndeton 201 all to rotate under moment loading thereupon, be embodied in, in described operating grip 1 (or from bottom to top) when action from top to bottom, described the first moving part 201 is reached and is upturned by the base plate P of the Self-resetting portion that is parallel to of the first state, its with this base plate P between from parallel becoming, tilt to be intersected.
Described the first moving part 201 is (part beyond the described Self-resetting body O of portion top) perk upwards, due to the engagement between main tooth portion 211 and secondary tooth portion 221, drive described the second moving part 202 to be also upturned, and identical with the angle of described the first moving part 201 perks, and be a symmetric relation.
In the process being upturned at described the second moving part 202 (in the process that is converted to the second state by the first state), described the second moving part 202 drives the also upwards action of the first release link 301 being connected with it, the second release link 302 of elastic reset portion 3 is fixed on the body O of Self-resetting portion again, and first active movable axis 303 between release link 301 and the second release link 302 be connected, thereby the elastomeric element 304 that makes to be fixed between described the first release link 301 and two other ends of described the second release link 302 has restoring force state by naturally forming without restoring force state to stretch, now also can add certain supplementary means, as the position contacting between the body O of Self-resetting portion also arranges a miniature reed, each radian 205 structures that arrange and apply the measures such as lubricant between main tooth portion 211 and secondary tooth portion 221, make described elastomeric element 304 more easily reach extended state.
Preferably, described elastomeric element 304 is rubber spring or double-spring structure, and it can produce larger distortion after stand under load, thereby the skew producing while making it with described the first moving part 201/ second moving part 202 stand under load matches.
After the second state forming as shown in solid line in Fig. 1, described elastomeric element 304 has an elastic-restoring force F owing to being stretched, under the effect of elastic-restoring force F, complete the inverse process that each structure is done to move when the first state is converted to the second state, described the first release link 301 is slowly resetted downwards, in downward process, drive described the second moving part 202 to move downwards, and then drive the first moving part 201 to move downwards, finally make described elastic reset portion 3, Self-resetting portion 2 and operating grip 1 are by the second recovering state to the first state, thereby complete the Self-resetting process of safety cut-out.
Embodiment 2
As shown in Figure 6, for self-recovering type described in the utility model draws safely another embodiment of circuit breaker, shown in drawing, in the present embodiment, not only include an operating grip 1, a Self-resetting portion 2 and an elastic reset portion 3 identical with structure in embodiment 1, also include and be positioned at an indoor or distance users remote reset mechanism 4 more easily.
Described remote reset mechanism 4 includes:
Sheave portion 401, includes two or more pulleys, can be both fixed pulley, can also be movable pulley, its common sheave portion that forms that cooperatively interacts; And
Flexible cable portion 402, the movable axis 303 of described elastic reset portion 3 is fixed in one end of described flexible cable portion 402, the other end is arranged at indoor or user's facility place, and the flexible cable portion body part between 402 two ends of described flexible cable portion is walked around each pulley of described sheave portion 401 and stretches to indoor.
Further, wherein, a kind of or its combination that described flexible cable portion 402 can be in rope, adhesive tape, cable wire or chain.
Further, in described flexible cable portion 402, be positioned at indoor one end and be also provided with a grip part 403, on it, also can be provided with the structures such as foam handrail, so that user draws.
During concrete use, described Self-resetting portion 2, elastic reset portion 3 is all arranged at safety cut-out inside, and the first moving part 201 of described Self-resetting portion 2 is connected with torque transmitting axle 101, sheave portion 401 and the flexible cable portion 402 of described remote reset mechanism 4 can be arranged in the cable pre-set path in body of wall, or by the line box structure of pretending, being arranged at surface of wall extends to indoor, concealed and be difficult for being found, thereby make the no matter child per capita can be at safety cut-out under disconnection or become, only need be from the described grip part 403 of indoor traction, by flexible cable portion 402, elastic reset portion 3, a series of actions of Self-resetting portion 2 is reacted operating grip 1, thereby saved bothering of going out, and can prevent that to a certain extent lawless person from utilizing the means of circuit breaker power-off and exercising illegal situation, and the person or the property of having avoided therefrom user to suffer endanger, if can promote the use on a large scale, can play good social effect, reduce illegal situation incidence.
When the remote reset mechanism 4 not using described in the present embodiment, under the second state, described elastic reset portion need to have one comparatively slowly process can return to nature, even if operating grip 1 and safety cut-out are converted to the first state from the second state, its whole process is greatly about 1 ~ 5 minute, this time can make the situation that under overload situations, cable is warmmer cooling gradually, can also prevent that the cable continuous heating causing due to immediate recovery from causing the generation of the situations such as fire.
The utility model provides a kind of simple mode, only need Self-resetting portion 2, elastic reset portion 3 and/or remote reset portion 4 to add and pack in circuit breaker, can make safety cut-out self-resetting, or allow user is home-confined makes reset of breaker with manual mode, its delicate structure.
Above-described embodiment is only for the utility model creation example is clearly described, and the not restriction to the utility model embodiment.For the syntagmatic of each parts is clearly described, above various illustrative parts and annexation thereof have been carried out usually describing around its function, combination as for this parts is to realize which kind of function, depends on specific application and the design constraint that whole device is applied.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.All any apparent variations of being extended out within spirit of the present utility model and principle or change are still among the protection range in this claim.
Claims (10)
1. self-recovering type draws safely a circuit breaker, it is characterized in that, comprising:
Operating grip, has that a torque transmitting axle is fixedly connected with this operating grip, and described torque transmitting axle makes described operating grip action when carry-over moment, so that circuit breaker at least has one first state and one second state;
Self-resetting portion, include the first moving part and the second moving part, described the first moving part is fixedly connected on described torque transmitting axle, to rotate with described torque transmitting axle with described operating grip simultaneously, and described the first moving part has a main tooth portion, described the second moving part has a secondary tooth portion again, the secondary tooth portion engagement of the main tooth portion of described the first moving part and described the second moving part;
Elastic reset portion, include the first release link and the second release link, one end of described the first release link is connected by movable axis with one end of described the second release link, the other end of described the first release link is fixedly connected on described the second moving part, the other end of described the second release link is fixed on the body of Self-resetting portion, and is provided with an elastomeric element between the other end of described the first release link and the other end of described the second release link;
Under the first state, described the first moving part and the second moving part are parallel to the base plate of described Self-resetting portion, and now described elastomeric element is in naturally inelastic state, under the second state, described the first moving part and the second moving part are upturned and the shape α that has angle, and now described elastomeric element is in a stretching and have restoring force state.
2. self-recovering type according to claim 1 draws safely circuit breaker, it is characterized in that, described the second moving part also has second axle that is movably connected on the body of described Self-resetting portion, so that described the second moving part is around described the second axle action.
3. self-recovering type according to claim 1 draws safely circuit breaker, it is characterized in that, described the first moving part and described the second moving part all have a kink, under the second state, two kinks contact, so that form described angle α between described the first moving part and the second moving part.
4. according to the self-recovering type described in claim 1 or 3, draw safely circuit breaker, it is characterized in that, described angle α is 140 ° ~ 160 °.
5. self-recovering type according to claim 3 draws safely circuit breaker, it is characterized in that, described main tooth portion is identical with the number of teeth of described secondary tooth portion, and be 3 ~ 7, to coordinate kink described in two to make described the first moving part and described the second moving part mesh rotation within the scope of the complementary angle of described angle α.
6. self-recovering type according to claim 1 draws safely circuit breaker, it is characterized in that, described the first moving part and described the second moving part all have a radian, when the first state is converted to the second state, between the base plate of radian and described Self-resetting portion, contact described in each, be beneficial to the state conversion of described the first moving part and described the second moving part.
7. self-recovering type according to claim 1 draws safely circuit breaker, it is characterized in that, described elastomeric element is rubber spring or double-spring structure.
8. according to claim 1,2,3 or 6 arbitrary described self-recovering types, draw safely circuit breaker, it is characterized in that, also comprise a remote reset mechanism, it includes:
Sheave portion, includes plural pulley; And
Flexible cable portion, the movable axis of described elastic reset portion is fixed in its one end, and the other end is arranged at indoor, and the flexible cable portion body between two ends is walked around each pulley of described sheave portion and is arranged at indoor.
9. self-recovering type according to claim 8 draws safely circuit breaker, it is characterized in that, also includes a grip part, is arranged on the other end of described flexible cable portion.
10. self-recovering type according to claim 8 draws safely circuit breaker, it is characterized in that, described flexible cable portion is a kind of or its combination in rope, adhesive tape, cable wire or chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263499.0U CN203895390U (en) | 2014-05-21 | 2014-05-21 | Self-recovery type safe traction breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263499.0U CN203895390U (en) | 2014-05-21 | 2014-05-21 | Self-recovery type safe traction breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895390U true CN203895390U (en) | 2014-10-22 |
Family
ID=51721753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420263499.0U Withdrawn - After Issue CN203895390U (en) | 2014-05-21 | 2014-05-21 | Self-recovery type safe traction breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895390U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078286A (en) * | 2014-05-21 | 2014-10-01 | 浙江共同电子科技有限公司 | Self- restoration -type safe traction circuit breaker |
| CN109887814A (en) * | 2019-02-28 | 2019-06-14 | 沈巧婷 | A kind of overload of city isolated island micro-capacitance sensor public lavatory reviews one's lessons by oneself multiple connection breaker |
-
2014
- 2014-05-21 CN CN201420263499.0U patent/CN203895390U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078286A (en) * | 2014-05-21 | 2014-10-01 | 浙江共同电子科技有限公司 | Self- restoration -type safe traction circuit breaker |
| CN104078286B (en) * | 2014-05-21 | 2015-12-30 | 浙江共同电子科技有限公司 | Self-recovering type draws circuit breaker safely |
| CN109887814A (en) * | 2019-02-28 | 2019-06-14 | 沈巧婷 | A kind of overload of city isolated island micro-capacitance sensor public lavatory reviews one's lessons by oneself multiple connection breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203871233U (en) | Switch with suddenly-changing magnetic poles | |
| CN203895390U (en) | Self-recovery type safe traction breaker | |
| CN101047294A (en) | Leakage protection socket | |
| CN101826405B (en) | Mechanical interlocking device of high-voltage circuit-breaker and high-voltage disconnecting switch | |
| CN201985046U (en) | Low power consumption alternating current contactor | |
| CN101789321A (en) | Device for interlocking electronic high-voltage circuit breaker and high-voltage isolating switch | |
| CN206098324U (en) | Electric leakage trip gear and contain this electric leakage trip gear's electric leakage circuit breaker | |
| CN104078286B (en) | Self-recovering type draws circuit breaker safely | |
| CN205004210U (en) | A mechanical interlocking device that is used for looped netowrk cabinet dual power supply load switch cabinet to supply power | |
| CN204732306U (en) | Based on the motor-operating mechanism of torque motor | |
| CN206098319U (en) | But remote control's earth -leakage protector | |
| CN203553895U (en) | Ground fault circuit interrupter with safety display | |
| CN200947507Y (en) | Creepage protecting socket | |
| CN202431109U (en) | Full-automatic window remotely controlled by mobile phone | |
| CN201004331Y (en) | A suspending device for electrical appliance device | |
| CN201611618U (en) | Device for interlocking electronic high-voltage circuit breaker and high-voltage isolating switch | |
| CN202405134U (en) | Automatic change-over switch appliance | |
| CN201804744U (en) | Mechanical interlocking device for high-voltage circuit breaker and high-voltage disconnecting switch | |
| CN201732948U (en) | Pop-up socket | |
| CN204839051U (en) | Remote -controlled electric curtain | |
| CN202258995U (en) | Interlocking mechanism of inflatable cabinet type vacuum circuit breaker | |
| CN201698973U (en) | Frame type circuit breaker with mechanical short circuit self-locking function | |
| CN205050794U (en) | Realize control circuit of many strokes of circuit breaker | |
| CN204012653U (en) | A kind of circuit has a power failure, earth leakage protective device | |
| CN201465859U (en) | Bidirectional reset switch with double-seesaw magnetic switch core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |