CN104900431A - Elevator stroke switch and hoistway switch module - Google Patents
Elevator stroke switch and hoistway switch module Download PDFInfo
- Publication number
- CN104900431A CN104900431A CN201510338816.XA CN201510338816A CN104900431A CN 104900431 A CN104900431 A CN 104900431A CN 201510338816 A CN201510338816 A CN 201510338816A CN 104900431 A CN104900431 A CN 104900431A
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- China
- Prior art keywords
- holding piece
- fixed
- housing
- travel switch
- elevator travel
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
Abstract
The invention provides an elevator stroke switch and a hoistway switch module. The elevator stroke switch comprises a housing, a fixing contact module fixedly arranged on the housing, a wire holder fixed to one end outside the housing, a twist rod fixed to the housing, a twist wheel shaft connected to one end of the twist rod, and a twist wheel in connection with the other end of the twist rod and arranged on the twist wheel shaft; a twist shaft is fixedly provided with a fixing base, in which a torsional spring is arranged and sleeves the twist shaft; the fixing base is also fixedly provided with a movable contact module. The fixing contact module comprises a static contact; the movable contact module comprises two movable contacts which are symmetrically distributed on a same side of the static contact, and are located on an opposite surface of an upper surface of the housing, wherein the static contact is fixed to the upper surface of the housing; one end of the twist rod on the housing is also provided with a position control device. The elevator stroke switch and hoistway switch module improve and simplify a connection relation between contact modules, shorten the size of an elevator stroke switch, have a clever whole design of the position control device, and realize good position-restricted effect.
Description
Technical field
The invention belongs to elevator, hoistway technical field, relate to a kind of elevator travel switch, particularly relate to a kind of hoistway switch module.
Background technology
There iing limit switch to be configured in stair shaft, do not exceeding beyond the horizontal extent of allowing for the protection of car lifting.In stair shaft, limit switch is housed, hoistway limit switch in elevator is mainly used in control and the signal prompt of elevator car arrives position in running process of elevator, and the signal detected is sent into elevator motion control device, the signal that elevator motion control device provides according to this position-limiting control switch, judge the running status of car go forward side by side line speed control, thus ensure that car is when moving to well pit or arriving well headroom, before conversion operation direction, cushioned, made the danger that lift car can not occur because the speed of service is too high or rushes to summit the crouching end.Existing elevator shaft switch has plenty of the external Compress Spring structure of employing, and Compress Spring is in bending-buckling state for a long time, easy generation mechanical fatigue, easily produce vibration in running process of elevator, Compress Spring easily drops, thus switch is out of hand, affect the fail safe that elevator runs, also have plenty of and adopt torque spring structure, but limit effect difference easily makes to turn round axle produces comparatively high pulling torque and make malfunctioning switch, affects elevator reliability.
Such as Chinese patent 201110154206.6 discloses a kind of lift facility, it has: limit switch (LS) (4), limit switch at lift car (7) from action during distance beyond regulation of the nominal stopping point of terminal floor, final limit switch (FLS) (5), final limit switch lift car beyond regulation distance after again beyond action during certain distance, and there is the oil buffer of plunger (2) and cylinder body (3), oil buffer is provided in and contacts with lift car on the position of predetermined distance with the nominal stopping point of lift car, in this lift facility, LS and FLS can carry out automatically running the switch controlled to lift facility for determining whether, LS and FLS is arranged on oil buffer, and in the scope that the bottom of the hoist trunk of lift car side is arranged on the perspective plane of the horizontal cross-section of lift car, arrangement and the installation of the limit switch that the automatic operation that this technical scheme discloses elevator controls and final limit switch are associated with oil buffer, improve reliability and the convenience of elevator thus, but this device structure is complicated, limit effect is poor, manufacturing cost is high.
And for example Chinese patent 200520069144.9 discloses a kind of elevator shaft switch, comprise housing, external connection seat, torsional pole, twisting wheel shaft, twisting wheel, twisting axle, static contact, movable contact spring, above-mentioned twisting axle is placed in housing, above-mentioned torsional pole one end is connected with twisting axle, the other end is connected with twisting wheel shaft, above-mentioned twisting wheel is placed on twisting wheel shaft, above-mentioned twisting axle is placed in torsion spring holder, the built-in torque spring of above-mentioned torsion spring holder, and be placed on above-mentioned twisting axle, difference is, on above-mentioned housing, torsional pole side is equipped with limited bolt, it is spacing that this technical scheme expects using limited bolt to carry out secondary, but this limited bolt structure is too simple, limit effect is still undesirable.
Summary of the invention
For overcoming the complex structure existed in prior art, limit effect is not good, and the problem of the property that easily causes that escalators can be very dangerous, the invention provides a kind of elevator travel switch and hoistway limit switch assembly thereof.
Technical scheme provided by the invention is: a kind of elevator travel switch, comprise housing, be fixedly installed on the fixed contact assembly on housing, be fixed on the junction block of the outer one end of housing, be fixed on the torsional pole on housing, the twisting wheel shaft be connected with torsional pole one end, the twisting be connected with the torsional pole other end is taken turns, this twisting wheel is placed on this twisting wheel shaft, described twisting axle is fixedly installed holder, be provided with torque spring in this holder and be sheathed on described twisting axle, described holder is also fixedly installed moving contact assembly, its innovative point is: described fixed contact assembly comprises a static contact, moving contact assembly comprises two movable contact springs, these two movable contact springs are symmetrically distributed in the same side of static contact, and be positioned at the opposite that this static contact is fixed on housing upper surface, torsional pole one end on described housing is also provided with control position device, and this control position device comprises the vertical convex device placed and location square block, and this location square block is fixedly installed on convex bottom of device, and the bossing of this convex device is fixed on torsional pole one end.Described this twisting wheel is elastic resin material, adopts elastic resin material, can improve twisting and take turns useful life, and reduce noise.
On this basis, described convex apparatus main body is convex block, the bossing of this convex block is provided with roller bearing, bilateral symmetry is provided with arc groove, be respectively the first arc groove and the second arc groove, be provided with location-plate in this first arc groove and the first arc groove shape and location-plate form fit, described roller bearing is fixedly connected with location-plate; Positioning bead is provided with in this second arc groove.
On this basis, described positioning plate structure is overall in " L " type, and the base length of " L " type location-plate is 1/2 ~ 1/3 of convex block width.
On this basis, described second arc groove is set to the different U-shaped structure of both sides length, the opening of this U-shaped structure towards convex device bottom and do not close, described positioning bead is arranged in U-shaped structure.
On this basis, described positioning bead diameter is 3 ~ 8cm.
On this basis, described positioning bead diameter is 4 ~ 6cm.
Another object of the present invention is to provide a kind of hoistway limit switch assembly comprising elevator travel switch, and its innovative point is: comprise several elevator travel switches, guide rail and capping; Described each elevator travel switch is fixedly connected on guide rail, and capping fixed by this guide rail.
On this basis, described hoistway limit switch assembly also comprises switch fixer, and this switch fixer is fixed on guide rail two ends; Described switch fixer comprises holding piece and support, and this holding piece is fixed on support one side surface, and support is fitted and fixed with on guide rail.
On this basis, described holding piece comprises holding piece main leaf and holding piece bluff bit, holding piece main leaf and holding piece bluff bit shape and structure are " 7 " font, this holding piece main leaf and holding piece bluff bit are symmetrically fixed on support one side surface, and holding piece main leaf and holding piece bluff bit fixed range are set to the case width of elevator travel switch.
On this basis, the kink of " 7 " font of described holding piece main leaf and holding piece bluff bit is set to arc, and 7 " head of font is also provided with arc crotch, and crotch angle is 10 ~ 30 °.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) elevator travel switch of the present invention, fixed contact assembly comprises a static contact, moving contact assembly comprises two movable contact springs, and these two movable contact springs are symmetrically distributed in the same side of static contact, and is positioned at the opposite that this static contact is fixed on housing upper surface; Annexation between improvement, simplification contact assembly, reduces the size of elevator travel switch; Torsional pole one end on housing is provided with control position device, this control position device comprises the vertical convex device placed and location square block, this location square block is fixedly installed on convex bottom of device, the bossing of this convex device is fixed on torsional pole one end, this control position device global design is ingenious, the coordinated of convex device and location square block, both can reach good limit effect and structural design is simple.
(2) elevator travel switch of the present invention, convex apparatus main body is convex block, manufacture simple, the bossing of this convex block is provided with roller bearing, bilateral symmetry is provided with arc groove, be respectively the first arc groove and the second arc groove, be provided with location-plate in this first arc groove and the first arc groove shape and location-plate form fit, roller bearing is fixedly connected with location-plate; Positioning bead is provided with in this second arc groove, by location-plate and positioning bead with the use of, after roller bearing turns an angle, the movement of location-plate can be limited, after blocking stopping after location-plate moves a certain distance, concrete, when positioning bead is rolled to one end of the first arc groove and the second arc groove, positioning bead stops rolling, location-plate stops operating, roller bearing stops operating, and the angle that roller bearing turns over reaches setting, thus carrying out control switch, can to carry out secondary to travel switch spacing.
(3) elevator travel switch of the present invention, positioning plate structure is overall in " L " type, and the base length of " L " type location-plate is 1/2 ~ 1/3 of convex block width, the determination of location-plate shape and length, can the spacing positional distance of more effective guarantee and spacing precision, the efficient fail safe ensureing elevator travels.
(4) elevator travel switch of the present invention, second arc groove is set to the different U-shaped structure of both sides length, the opening of this U-shaped structure towards convex device bottom and do not close, positioning bead is arranged in U-shaped structure, roller bearing can be made to turn an angle, thus the movement of restriction location-plate.
(5) the hoistway limit switch assembly comprising elevator travel switch of the present invention, comprise several elevator travel switches, guide rail and capping and also comprise switch fixer, this switch fixer is fixed on guide rail two ends; Concrete, switch fixer comprises holding piece and support, and this holding piece is fixed on support one side surface, and support is fitted and fixed with on guide rail, structure is simple, installation rate is fast, and easy to adjust, holding piece and support assorted, good clamping effect, and under the prerequisite of not fragile travel switch, select resilient clamp sheet, Be very effective.
(6) the hoistway limit switch assembly comprising elevator travel switch of the present invention, holding piece comprises holding piece main leaf and holding piece bluff bit, holding piece main leaf and holding piece bluff bit shape and structure are " 7 " font, this holding piece main leaf and holding piece bluff bit are symmetrically fixed on support one side surface, after both utilizations " 7 " font head is oppositely arranged clamping travel switch afterbody, control holding piece main leaf and holding piece bluff bit fixed range are set to the case width of elevator travel switch, good clamping effect, and the safe space leaving travel switch.
(7) the hoistway limit switch assembly comprising elevator travel switch of the present invention, the kink of " 7 " font of design holding piece main leaf and holding piece bluff bit is set to arc, and 7 " head of font is also provided with arc crotch; crotch angle is 10 ~ 30 °; more effectively can reduce the friction between switch; ensure fixed effect, improves lift running safety.
Accompanying drawing explanation
Fig. 1 is elevator travel switch A-A cross-sectional view of the present invention;
Fig. 2 is elevator travel switch side structure schematic diagram of the present invention;
Fig. 3 is the hoistway limit switch modular construction schematic diagram that elevator travel switch of the present invention comprises elevator travel switch;
Fig. 4 is the switch fixer structural representation of hoistway limit switch assembly of the present invention;
Fig. 5 is hoistway limit switch clamp chip architecture schematic diagram of the present invention;
Fig. 6 is the another kind of structural representation of hoistway limit switch clamp of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention relates to a kind of elevator travel switch, as shown in Figure 1: comprise housing 1, be fixedly installed on the fixed contact assembly on housing 1, be fixed on the junction block 10 of the outer one end of housing 1, be fixed on the torsional pole 4 on housing 1, the twisting wheel shaft 2 be connected with torsional pole 4 one end, the twisting be connected with torsional pole 4 other end takes turns 3, this twisting wheel 3 is placed on this twisting wheel shaft 2, twisting axle 7 is fixedly installed holder 8, be provided with torque spring 9 in this holder 8 and be sheathed on twisting axle 7, holder 8 is also fixedly installed moving contact assembly, fixed contact assembly comprises a static contact 5, moving contact assembly comprises two movable contact springs 6, these two movable contact springs 6 are symmetrically distributed in the same side of static contact 5, and be positioned at the opposite that this static contact 5 is fixed on housing 1 upper surface, torsional pole 4 one end on housing 1 is also provided with control position device 11, as shown in Figure 2: this control position device 11 comprises the vertical convex device 112 placed and location square block 111, this location square block 111 is fixedly installed on bottom convex device 112, and the bossing of this convex device 112 is fixed on torsional pole 4 one end, annexation between the present embodiment improvement, simplification contact assembly, reduces the size of elevator travel switch, torsional pole one end on housing is provided with control position device, this control position device comprises the vertical convex device placed and location square block, this location square block is fixedly installed on convex bottom of device, the bossing of this convex device is fixed on torsional pole one end, this control position device global design is ingenious, the coordinated of convex device and location square block, both can reach good limit effect and structural design is simple.Described this twisting wheel is elastic resin material, adopts elastic resin material, can improve twisting and take turns useful life, and reduce noise.
Concrete, as shown in Figure 2: convex device 112 main body is convex block, the bossing of this convex block is provided with roller bearing 1121, bilateral symmetry is provided with arc groove, be respectively the first arc groove 1122 and the second arc groove 1123, be provided with location-plate 1124 in this first arc groove 1122 and the first arc groove 1122 shape and location-plate 1124 form fit, roller bearing 1121 is fixedly connected with location-plate 1124; Positioning bead 1125 is provided with in this second arc groove 1123.The present invention by location-plate and positioning bead with the use of, after roller bearing turns an angle, the movement of location-plate can be limited, after blocking stopping after location-plate moves a certain distance, concrete, when positioning bead is rolled to one end of the first arc groove and the second arc groove, positioning bead stops rolling, and location-plate stops operating, and roller bearing stops operating, the angle that roller bearing turns over reaches setting, thus carrying out control switch, can to carry out secondary to travel switch spacing.
As shown in Figure 2: location-plate 1124 structure is overall in " L " type, and the base length of " L " type location-plate is 1/2 ~ 1/3 of convex block width.Elevator travel switch of the present invention, positioning plate structure is overall in " L " type, and the base length of " L " type location-plate is 1/2 ~ 1/3 of convex block width, the determination of location-plate shape and length, can the spacing positional distance of more effective guarantee and spacing precision, the efficient fail safe ensureing elevator travels.
As shown in Figure 2: the second arc groove 1123 is set to the different U-shaped structure of both sides length, the opening of this U-shaped structure towards convex device bottom and do not close, positioning bead 1125 is arranged in U-shaped structure, positioning bead 1125 diameter of the present embodiment is 3 ~ 8cm, preferably, positioning bead diameter is 4 ~ 6cm.Second arc groove is set to the different U-shaped structure of both sides length, the opening of this U-shaped structure towards convex device bottom and do not close, positioning bead is arranged in U-shaped structure, and roller bearing can be made to turn an angle, thus the movement of restriction location-plate.
This hoistway limit switch assembly comprising elevator travel switch above, as shown in Figure 3: comprise several elevator travel switches above-described, guide rail 12 and capping 13; Each elevator travel switch is fixedly connected on guide rail 12, and capping 13 fixed by this guide rail 12.
As shown in Figure 3: hoistway limit switch assembly also comprises switch fixer 14, this switch fixer 14 is fixed on guide rail 12 two ends; Concrete, as shown in Figure 4: switch fixer 14 comprises holding piece and support 141, this holding piece is fixed on support 141 1 side surface, and support 141 is fitted and fixed with on guide rail 12.
As shown in Figure 5: holding piece comprises holding piece main leaf 142 and holding piece bluff bit 143, holding piece main leaf 142 and holding piece bluff bit 143 shape and structure are " 7 " font, this holding piece main leaf 142 is symmetrically fixed on support 141 1 side surface with holding piece bluff bit 143, and holding piece main leaf 142 and both holding piece bluff bits 143 fixed range are set to the case width of elevator travel switch.As shown in Figure 4: as the further optimization of the present embodiment, as shown in Figure 6: the kink of " 7 " font of holding piece main leaf 142 and holding piece bluff bit 143 is set to arc, and 7 " head of font is also provided with arc crotch, and crotch angle is 10 ~ 30 °.Especially, holding piece selects elastomer material.The switch fixer of hoistway limit switch assembly of the present invention, structure is simple, and installation rate is fast, and easy to adjust, holding piece and support assorted, good clamping effect, and under the prerequisite of not fragile travel switch, selects resilient clamp sheet, Be very effective.Holding piece comprises holding piece main leaf and holding piece bluff bit, holding piece main leaf and holding piece bluff bit shape and structure are " 7 " font, this holding piece main leaf and holding piece bluff bit are symmetrically fixed on support one side surface, after both utilizations " 7 " font head is oppositely arranged clamping travel switch afterbody, control holding piece main leaf and holding piece bluff bit fixed range are set to the case width of elevator travel switch, good clamping effect, and the safe space leaving travel switch.The kink of " 7 " font of design holding piece main leaf and holding piece bluff bit is set to arc, and 7 " head of font is also provided with arc crotch, crotch angle is 10 ~ 30 °, more effectively can reduce the friction between switch; ensure fixed effect, improves lift running safety.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection range of claims of the present invention.
Claims (10)
1. an elevator travel switch, comprise housing (1), be fixedly installed on the fixed contact assembly on housing (1), be fixed on the junction block (10) of housing (1) outer one end, be fixed on the torsional pole (4) on housing (1), the twisting wheel shaft (2) be connected with torsional pole (4) one end, the twisting be connected with torsional pole (4) other end is taken turns (3), this twisting wheel (3) is placed on this twisting wheel shaft (2), described twisting axle (7) is fixedly installed holder (8), be provided with torque spring (9) in this holder (8) and be sheathed on described twisting axle (7), (8) are also fixedly installed moving contact assembly with described holder, it is characterized in that: described fixed contact assembly comprises a static contact (5), moving contact assembly comprises two movable contact springs (6), these two movable contact springs (6) are symmetrically distributed in the same side of static contact (5), and be positioned at the opposite that this static contact (5) is fixed on housing (1) upper surface, torsional pole (4) one end on described housing (1) is also provided with control position device (11), this control position device (11) comprises convex device (112) and location square block (111) of vertical placement, this location square block (111) is fixedly installed on convex device (112) bottom, and the bossing of this convex device (112) is fixed on torsional pole (4) one end, described this twisting wheel (3) is elastic resin material.
2. elevator travel switch according to claim 1, it is characterized in that: described convex device (112) main body is convex block, the bossing of this convex block is provided with roller bearing (1121), bilateral symmetry is provided with arc groove, be respectively the first arc groove (1122) and the second arc groove (1123), be provided with location-plate (1124) in this first arc groove (1122) and the first arc groove (1122) shape and location-plate (1124) form fit, described roller bearing (1121) is fixedly connected with location-plate (1124); Positioning bead (1125) is provided with in this second arc groove (1123).
3. elevator travel switch according to claim 2, is characterized in that: described location-plate (1124) structure is for entirety is in " L " type, and the base length of " L " type location-plate (1124) is 1/2 ~ 1/3 of convex block width.
4. elevator travel switch according to claim 2, it is characterized in that: described second arc groove (1123) is set to the different U-shaped structure of both sides length, the opening of this U-shaped structure towards convex device bottom and do not close, described positioning bead (1125) is arranged in U-shaped structure.
5. the elevator travel switch according to claim 2 or 4, is characterized in that: described positioning bead (1125) diameter is 3 ~ 8cm.
6. the elevator travel switch according to claim 2 or 4, is characterized in that: described positioning bead (1125) diameter is 4 ~ 6cm.
7. comprise a hoistway limit switch assembly for elevator travel switch according to claim 1, it is characterized in that: comprise several elevator travel switches, guide rail (12) and capping (13); Described each elevator travel switch is fixedly connected on guide rail (12), the upper fixing capping (13) of this guide rail (12).
8. the hoistway limit switch assembly comprising elevator travel switch according to claim 7, is characterized in that: described hoistway limit switch assembly also comprises switch fixer (14), and this switch fixer (14) is fixed on guide rail (12) two ends; Described switch fixer (14) comprises holding piece and support (141), and this holding piece is fixed on support (141) side surface, and support (141) is fitted and fixed with on guide rail (12).
9. the hoistway limit switch assembly comprising elevator travel switch according to claim 8, it is characterized in that: described holding piece comprises holding piece main leaf (142) and holding piece bluff bit (143), holding piece main leaf (142) and holding piece bluff bit (143) shape and structure are " 7 " font, this holding piece main leaf (142) and holding piece bluff bit (143) are symmetrically fixed on support (141) side surface, and both fixed ranges of holding piece main leaf (142) and holding piece bluff bit (143) are set to the case width of elevator travel switch.
10. the hoistway limit switch assembly comprising elevator travel switch according to claim 9, it is characterized in that: the kink of " 7 " font of described holding piece main leaf (142) and holding piece bluff bit (143) is set to arc, and 7 " head of font is also provided with arc crotch, crotch angle is 10 ~ 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338816.XA CN104900431A (en) | 2015-06-17 | 2015-06-17 | Elevator stroke switch and hoistway switch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338816.XA CN104900431A (en) | 2015-06-17 | 2015-06-17 | Elevator stroke switch and hoistway switch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104900431A true CN104900431A (en) | 2015-09-09 |
Family
ID=54033038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510338816.XA Pending CN104900431A (en) | 2015-06-17 | 2015-06-17 | Elevator stroke switch and hoistway switch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104900431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016201934A1 (en) * | 2015-06-17 | 2016-12-22 | 海安县申菱电器制造有限公司 | Elevator limit switch and hoistway switch assembly thereof |
| CN115240998A (en) * | 2022-09-21 | 2022-10-25 | 山东博尔特电梯有限公司 | Multifunctional travel switch |
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| CN2679117Y (en) * | 2004-03-08 | 2005-02-16 | 徐雄 | Switch fixer |
| CN2771998Y (en) * | 2005-02-04 | 2006-04-12 | 南通奇萌电器有限公司 | Elevator shaft switch |
| CN201904233U (en) * | 2010-12-21 | 2011-07-20 | 天津市六开电梯配套有限责任公司 | Safety contact-type limit switch |
| KR20120055143A (en) * | 2010-11-23 | 2012-05-31 | 우세산업 주식회사 | The limit switch for elevator |
| CN202523585U (en) * | 2012-03-21 | 2012-11-07 | 俞志华 | Stroke switch |
| CN104538230A (en) * | 2014-12-26 | 2015-04-22 | 正泰电气股份有限公司 | Switch limiting device |
| CN204809055U (en) * | 2015-06-17 | 2015-11-25 | 海安县申菱电器制造有限公司 | Travel switch for elevator and well switch module thereof |
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2015
- 2015-06-17 CN CN201510338816.XA patent/CN104900431A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679117Y (en) * | 2004-03-08 | 2005-02-16 | 徐雄 | Switch fixer |
| CN2771998Y (en) * | 2005-02-04 | 2006-04-12 | 南通奇萌电器有限公司 | Elevator shaft switch |
| KR20120055143A (en) * | 2010-11-23 | 2012-05-31 | 우세산업 주식회사 | The limit switch for elevator |
| CN201904233U (en) * | 2010-12-21 | 2011-07-20 | 天津市六开电梯配套有限责任公司 | Safety contact-type limit switch |
| CN202523585U (en) * | 2012-03-21 | 2012-11-07 | 俞志华 | Stroke switch |
| CN104538230A (en) * | 2014-12-26 | 2015-04-22 | 正泰电气股份有限公司 | Switch limiting device |
| CN204809055U (en) * | 2015-06-17 | 2015-11-25 | 海安县申菱电器制造有限公司 | Travel switch for elevator and well switch module thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016201934A1 (en) * | 2015-06-17 | 2016-12-22 | 海安县申菱电器制造有限公司 | Elevator limit switch and hoistway switch assembly thereof |
| CN115240998A (en) * | 2022-09-21 | 2022-10-25 | 山东博尔特电梯有限公司 | Multifunctional travel switch |
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Application publication date: 20150909 |