CN204834380U - Travel switch for elevator and well switch module thereof - Google Patents
Travel switch for elevator and well switch module thereof Download PDFInfo
- Publication number
- CN204834380U CN204834380U CN201520419037.8U CN201520419037U CN204834380U CN 204834380 U CN204834380 U CN 204834380U CN 201520419037 U CN201520419037 U CN 201520419037U CN 204834380 U CN204834380 U CN 204834380U
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- holding piece
- fixed
- travel switch
- elevator
- elevator travel
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Abstract
The utility model provides a travel switch and well switch module for the elevator, which comprises a housin, fix and set up the fixed contact subassembly on the casing, be fixed in the connection terminal of the outer one end of casing, be fixed in the wrench movement pole on the casing, the wrench movement shaft that links to each other with wrench movement pole one end, the wrench movement wheel that links to each other with the wrench movement pole other end, it is epaxial that this wrench movement wheel is placed in to this wrench movement wheel, the epaxial fixed fixing base that is provided with of wrench movement, being provided with torque spring and cover in this fixing base, to locate the wrench movement epaxial, still fix to be provided with on the fixing base and move contact assembly, the fixed contact subassembly includes a static contact, it includes two movable contact springs to move contact assembly, these two movable contact spring symmetric distributions are in same one side of static contact, and be located the opposite that this static contact is fixed in the casing upper surface, wrench movement pole one end on the casing still is provided with position control device, the utility model discloses the relation of connection between the contact assembly is improved, simplified, the size of reducing travel switch for the elevator, the whole design benefit of position control device reaches good spacing effect.
Description
Technical field
The utility model belongs to elevator, hoistway technical field, relates to a kind of elevator travel switch, particularly relates 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.
Utility model content
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 utility model provides a kind of elevator travel switch and hoistway limit switch assembly thereof.
The technical scheme that the utility model provides 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 comprises inner layer resin layer and outer flame-retardant layer.
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 utility model 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, the beneficial effects of the utility model are as follows:
(1) elevator travel switch of the present utility model, 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 utility model, 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 utility model, 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 utility model, 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 utility model, 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 utility model, 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 utility model, 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 the utility model elevator travel switch A-A cross-sectional view;
Fig. 2 is the utility model elevator travel switch side structure schematic diagram;
Fig. 3 is the hoistway limit switch modular construction schematic diagram that the utility model elevator travel switch comprises elevator travel switch;
Fig. 4 is the switch fixer structural representation of the utility model hoistway limit switch assembly;
Fig. 5 is the utility model hoistway limit switch clamp chip architecture schematic diagram;
Fig. 6 is the another kind of structural representation of the utility model hoistway limit switch clamp.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model 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 comprises inner layer resin layer and outer flame-retardant layer, when elevator is on fire, prevents the burning of twisting wheel resin bed.
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 utility model 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 utility model, 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 utility model, 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 preferred embodiment of the present utility model, as previously mentioned, be to be understood that the utility model 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 utility model 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 spirit and scope of the present utility model, then all should in the protection range of the utility model claims.
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 comprises inner layer resin layer and outer flame-retardant layer.
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), location-plate (1124) is provided with and the first arc groove (1122) shape and location-plate (1124) form fit in this first arc groove (1122), 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, it 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 |
|---|---|---|---|
| CN201520419037.8U CN204834380U (en) | 2015-06-17 | 2015-06-17 | Travel switch for elevator and well switch module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419037.8U CN204834380U (en) | 2015-06-17 | 2015-06-17 | Travel switch for elevator and well switch module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834380U true CN204834380U (en) | 2015-12-02 |
Family
ID=54691951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520419037.8U Expired - Fee Related CN204834380U (en) | 2015-06-17 | 2015-06-17 | Travel switch for elevator and well switch module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867717A (en) * | 2015-06-17 | 2015-08-26 | 海安县申菱电器制造有限公司 | Travel switch for elevator and hoistway switch component |
-
2015
- 2015-06-17 CN CN201520419037.8U patent/CN204834380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867717A (en) * | 2015-06-17 | 2015-08-26 | 海安县申菱电器制造有限公司 | Travel switch for elevator and hoistway switch component |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190617 |