CN112357719A - Safety tongs triggering structure of household elevator without pit - Google Patents
Safety tongs triggering structure of household elevator without pit Download PDFInfo
- Publication number
- CN112357719A CN112357719A CN202011239797.2A CN202011239797A CN112357719A CN 112357719 A CN112357719 A CN 112357719A CN 202011239797 A CN202011239797 A CN 202011239797A CN 112357719 A CN112357719 A CN 112357719A
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- Prior art keywords
- trigger
- elastic plate
- rotating
- rotating shaft
- car
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
- B66B5/125—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The application discloses a safety gear triggering structure of a bottomless pit household elevator, wherein reversing pulleys are arranged at two ends of an elastic plate, so that two ends of the elastic plate are upwards provided with a section of displacement through the tensile force of a cable when the elevator normally works, when the cable is broken, the elastic plate does not move downwards under the upward tensile force of the cable any more, a triggering assembly positioned below the elastic plate is triggered, and a locking assembly is triggered by the triggering assembly to switch states, so that a lift car is rapidly braked; trigger the subassembly and drive the trigger part through the pivoted mode and trigger the locking subassembly, cooperation between structure and the structure is more stable, and this safety tongs triggers the structure and avoids passenger in car, the car to lead to unexpected and the damage because of the hawser fracture suddenly the tenesmus, has protected the state after the elevator rope break, greatly reduced to the inside passenger's of car injury degree, also increased the stationarity and the security of elevator simultaneously.
Description
Technical Field
The invention relates to the technical field of pit-free household elevators, in particular to a safety gear triggering structure of a pit-free household elevator.
Background
With the continuous improvement of economic level and the continuous promotion of urbanization and urbanization, the residential form of people develops towards the trend of high-rise buildings and villas. In the construction process of high-rise buildings, elevator shafts can be designed independently, most of the elevators adopt traction type elevators, the elevator shafts have relatively perfect and independent control and operation systems, and the development and application of related technologies are relatively mature; in the low-rise buildings such as villas, the floor height of the villas is generally designed into two or three layers, elevators cannot be designed in most villas, and the whole set of traction type elevators is complex in structure and needs to be provided with a hoistway, so that a large space is occupied, the elevator cannot be installed in most villas in consideration of the problem of space occupation and the cost of the traction type elevators, but in recent years, along with the increase of the aging problem of the population of China, the old people living in the villas and going upstairs and downstairs by stairs are inconvenient, and potential safety hazards exist, so that the market demand for small-sized bottomless household elevators is more and more urgent.
In the prior art, small and medium-sized domestic elevators without pits are generally provided with a vertical guide rail without a shaft between floors, and a driving device of the domestic elevator without pits moves along with a car of the domestic elevator without pits. Specifically, a motor is used for driving a winding drum to wind and unwind two mooring ropes wound on two pulleys to realize the lifting of the household elevator without the pit. In the existing household elevator without the pit, when a cable is disconnected, the elevator car cannot be effectively braked, so that the elevator car is in danger of being drunk and dropped, and parts of the household elevator without the pit can be damaged.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a safety gear triggering structure of a bottomless home elevator, in which reversing pulleys are disposed at two ends of an elastic plate, so that two ends of the elastic plate have a section of displacement upwards due to a tensile force of a cable when the elevator is in normal operation, and when the cable is broken, the elastic plate does not move downwards due to the upward tensile force of the cable, thereby triggering a triggering assembly located below the elastic plate, and triggering a locking assembly to switch states by the triggering assembly, so as to rapidly brake a car; trigger the subassembly and drive the trigger part through the pivoted mode and trigger the locking subassembly, cooperation between structure and the structure is more stable, and this safety tongs triggers the structure and avoids passenger in car, the car to lead to unexpected and the damage because of the hawser fracture suddenly the tenesmus, has protected the state after the elevator rope break, greatly reduced to the inside passenger's of car injury degree, also increased the stationarity and the security of elevator simultaneously.
In order to achieve the above object, the present invention provides a safety gear triggering structure of a bottomless home elevator, comprising: the middle part of the elastic plate is connected with the top of the elevator car; the lifting assembly comprises two reversing pulleys arranged at the two ends of the elastic plate respectively, a reel and a cable wound on the reel, the cable extends upwards after reversing from the reversing pulleys, and the cable applies an upward force to the end part of the elastic plate by the reversing pulleys so as to enable the elastic plate to be bent and deformed, and the two ends of the elastic plate move upwards; the two locking assemblies are respectively arranged at two ends of the elastic plate, and the locking assemblies have a first state for stopping the movement of the car and a second state for releasing the movement of the car; the two trigger assemblies are respectively arranged at two ends of the elastic plate and comprise a fixed part, a rotating part and a trigger part hinged with the rotating part, the fixed part is fixedly arranged on the lift car, the rotating part is rotatably arranged on the fixed part, and the rotating part is positioned below the end part of the elastic plate; when the end part of the elastic plate moves downwards and exceeds a set threshold value, the elastic plate can trigger the rotating piece to rotate, so that the trigger piece is driven to trigger the locking assembly to be switched from the second state to the first state. The safety gear triggering structure has the advantages that the reversing pulleys are arranged at the two ends of the elastic plate, so that the two ends of the elastic plate are upwards provided with a section of displacement through the tensile force of the cable when the elevator normally works, when the cable is broken, the elastic plate does not move downwards under the upward tensile force of the cable any more, the triggering assembly positioned below the elastic plate is triggered, the locking assembly is triggered by the triggering assembly to switch the state, and the car is rapidly braked; trigger the subassembly and drive the trigger part through the pivoted mode and trigger the locking subassembly, cooperation between structure and the structure is more stable, and this safety tongs triggers the structure and avoids passenger in car, the car to lead to unexpected and the damage because of the hawser fracture suddenly the tenesmus, has protected the state after the elevator rope break, greatly reduced to the inside passenger's of car injury degree, also increased the stationarity and the security of elevator simultaneously.
In one example, the rotating part comprises an extension rod, a rotating shaft and a lifting rod, the rotating shaft is arranged through the fixing part, one end of the extension rod is fixedly connected to the rotating shaft, the other end of the extension rod can be abutted against the elastic plate, one end of the lifting rod is connected to the end part of the rotating shaft and can rotate along with the rotating shaft, and the other end of the lifting rod is hinged with the trigger; the elastic plate can trigger the extension rod to rotate downwards, so that the lifting rod is driven to rotate upwards through the rotating shaft, the trigger piece moves upwards, and the locking assembly is triggered to be switched from the second state to the first state.
In one example, the fixing member is provided with a first through hole; the rotating part further comprises a shaft sleeve, the shaft sleeve comprises a shaft sleeve plate and a shaft sleeve ring, a second through hole is formed in the shaft sleeve plate, the shaft sleeve ring is arranged around the outer edge of the second through hole, the shaft sleeve plate is fixed on the fixing part, the first through hole and the second through hole are arranged oppositely, and the rotating shaft penetrates through the first through hole, the second through hole and the shaft sleeve ring in sequence. The axle sleeve passes through the axle sleeve board to be fixed on the fixed plate, encircles and sets up in the axle sleeve ring of second through-hole outer fringe and can give the axis of rotation periphery when the axis of rotation rotates spacingly, makes the axis of rotation of axis of rotation more stable.
In one example, the rotating member further comprises a stop plate, a stop plane is arranged on the periphery of the end portion of the rotating shaft, the lifting rod is rotatably sleeved on the rotating shaft, and the stop plate is fixedly connected with the lifting rod, and the end portion of the stop plate abuts against the stop plane.
In one example, the rotating member further includes a reset member, the reset member is sleeved on the rotating shaft, and the reset member can give an upward rotating force to the protruding rod. Reset a mainly used and reset, when the hawser can normally work, the both ends of elastic plate upwards perk again, and the rotation piece that is located the elastic plate lower extreme can be in the effect of the power that resets down gyration, makes the locking subassembly switch back the second state again by first state, and the car can freely move on the guide rail.
In one example, the reset member is a torsion spring, one end of the torsion spring is fixed to the extension bar, and the other end of the torsion spring is fixed to the fixing member.
In one example, a limiting member is disposed at an end of the rotating shaft, the lifting rod is located between the limiting member and the fixing member, and the limiting member can abut against the lifting rod to prevent the lifting rod from falling off from the rotating shaft.
In one example, the end of the protruding rod is provided as a curved structure which can abut against the elastic plate. When the elastic plate presses the extension rod downwards, the extension rod rotates downwards, the contact between the end part of the extension rod and the elastic plate is changed continuously, and the curved surface structure can enable the contact between the elastic plate and the extension rod to be smoother and more stable.
In one example, the locking assembly comprises a base, a connecting plate, a roller and a pull rod, wherein the base is provided with a guide rail groove, the connecting plate is provided with a long hole, and the roller is provided with a central shaft; the connecting plate with base fixed connection, the center pin of gyro wheel passes rectangular hole and with the pull rod is connected, just the gyro wheel is located one side in guide rail groove, the pull rod with trigger piece is articulated, trigger piece can drive the pull rod upward movement is so that the pull rod drives the gyro wheel is followed rectangular hole is to being close to gradually the direction motion in guide rail groove. The guide rail groove mainly used cooperates with the guide rail, when the elevator moves up and down, the guide rail slides in the guide rail groove, when the hawser fracture, trigger a motion upwards, also upward movement with trigger a articulated pull rod, thereby drive the gyro wheel and move along the extending direction in rectangular hole, the rectangular hole is for by supreme guide rail groove setting of being close to gradually down, the gyro wheel can be close to the guide rail groove motion gradually in the motion, until the gyro wheel with the guide rail butt in the guide rail groove and give the guide rail certain power, under the effect of this power, the elevator stop motion.
In one example, the safety gear triggering structure further comprises a microswitch which is fixed on the top of the car and is positioned above the triggering piece; the trigger piece triggers the locking assembly to be switched from the second state to the first state, and simultaneously the trigger piece can trigger the microswitch. The micro switch can control the power device in the lifting assembly to stop, when the cable is broken, the trigger piece moves upwards to trigger the micro switch above the trigger piece, and the micro switch controls the power device to stop working after being triggered to further brake the lift car.
Drawings
The drawings described herein are only for assisting those skilled in the art in understanding the technical solutions of the present invention, and the exemplary embodiments of the present invention described in conjunction with the drawings are only for explaining the technical solutions of the present invention and do not constitute a limitation of the present invention. In the drawings:
fig. 1 is a schematic perspective view of a bottomless home elevator provided by an embodiment of the invention;
fig. 2 is a plan view of a bottomless home elevator provided by an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
fig. 5 is a schematic perspective view of a locking assembly according to an embodiment of the present invention.
List of reference numerals:
the elevator comprises a bottomless household elevator 1, an elastic plate 2, a car 3, a reversing pulley 4, a reel 5, a locking assembly 6, a fixing piece 7, a triggering piece 9, an extension rod 10, a rotating shaft 11, a lifting pull rod 12, a shaft sleeve 13, a shaft sleeve plate 14, a shaft sleeve ring 15, a stop plate 16, a stop plane 17, a resetting piece 18, a guide rail 19, a limiting piece 20, a base 21, a connecting plate 22, a roller 23, a pull rod 24, a guide rail groove 25 and a strip hole 26.
Detailed Description
In order to more clearly explain the overall concept of the invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
As shown in fig. 1 to 5, the present invention provides a safety gear triggering structure of a bottomless home elevator 1, including: the middle part of the elastic plate 2 is connected with the top of the elevator car 3; the lifting assembly comprises two reversing pulleys 4 respectively arranged at two ends of the elastic plate 2, a reel 5 and a cable wound on the reel 5, wherein the cable is reversed by the reversing pulleys 4 and then extends upwards, the cable applies an upward force to the end part of the elastic plate 2 by the reversing pulleys 4 so that the elastic plate 2 is bent and deformed, and the two ends of the elastic plate 2 move upwards; two locking assemblies 6 are respectively arranged at two ends of the elastic plate 2, and the locking assemblies 6 have a first state of stopping the movement of the car 3 and a second state of releasing the movement of the car 3; the two trigger assemblies are respectively arranged at two ends of the elastic plate 2 and comprise a fixed part 7, a rotating part and a trigger part 9 hinged with the rotating part, the fixed part 7 is fixedly arranged on the lift car 3, the rotating part is rotatably arranged on the fixed part 7, and the rotating part is positioned below the end part of the elastic plate 2; when the end of the elastic plate 2 moves downwards and exceeds the set threshold, the elastic plate 2 can trigger the rotating member to rotate, so as to drive the trigger member 9 to trigger the locking assembly 6 to switch from the second state to the first state. According to the safety gear triggering structure, the reversing pulleys 4 are arranged at the two ends of the elastic plate 2, so that the two ends of the elastic plate 2 are upwards displaced by a section of pulling force of a cable when an elevator normally works, when the cable is broken, the elastic plate 2 does not move downwards by the upward pulling force of the cable any more, and therefore the triggering assembly located below the elastic plate 2 is triggered, the locking assembly 6 is triggered by the triggering assembly to switch states, and the car 3 is rapidly braked; trigger the subassembly and drive trigger 9 through the pivoted mode and trigger locking subassembly 6, cooperation between structure and the structure is more stable, and this safety tongs triggers the structure and avoids car 3, the passenger in the car 3 to lead to accident and damage because of the hawser fracture suddenly the tenesmus, has protected the state after the elevator rope break, greatly reduced to the inside passenger's of car 3 injury degree, also increased the stationarity and the security of elevator simultaneously.
In one embodiment, as shown in fig. 1 to 4, the rotating member includes an extending rod 10, a rotating shaft 11 and a lifting rod 12, the rotating shaft 11 is disposed through the fixing member 7, one end of the extending rod 10 is fixed to the rotating shaft 11, the other end of the extending rod can be abutted against the elastic plate 2, one end of the lifting rod 12 is connected to the end of the rotating shaft 11, the lifting rod 12 can rotate along with the rotating shaft 11, and the other end is hinged to the triggering member 9; the elastic plate 2 can trigger the extension rod 10 to rotate downwards, so that the lifting rod 12 is driven to rotate upwards through the rotating shaft 11, and the trigger 9 moves upwards and triggers the locking assembly 6 to switch from the second state to the first state.
In one embodiment, as shown in fig. 3 to 4, the fixing member 7 is provided with a first through hole; the rotating piece further comprises a shaft sleeve 13, the shaft sleeve 13 comprises a shaft sleeve plate 14 and a shaft sleeve ring 15, a second through hole is formed in the shaft sleeve plate 14, the shaft sleeve ring 15 is arranged on the outer edge of the second through hole in a surrounding mode, the shaft sleeve plate 14 is fixed to the fixing piece 7, the first through hole and the second through hole are arranged oppositely, and the rotating shaft 11 sequentially penetrates through the first through hole, the second through hole and the shaft sleeve ring 15. The sleeve 13 is fixed on the fixing member 7 through a sleeve plate 14, and a sleeve ring 15 surrounding the second through hole can limit the periphery of the rotating shaft 11 when the rotating shaft 11 rotates, so that the rotation of the rotating shaft 11 is more stable.
In one embodiment, as shown in fig. 3 to 4, the rotating member further includes a stop plate 16, a stop plane 17 is disposed on an outer circumference of an end portion of the rotating shaft 11, the lifting rod 12 is rotatably sleeved on the rotating shaft 11, the stop plate 16 is fixedly connected to the lifting rod, and an end portion of the stop plate 16 abuts against the stop plane 17.
In one embodiment, as shown in fig. 1 to 4, the rotating member further includes a reset member 18, the reset member 18 is sleeved on the rotating shaft 11, and the reset member 18 can provide an upward rotating force to the extension bar 10. Reset 18 mainly used resets, and when the hawser can normally work, the both ends of springboard 2 perk upwards again, and the rotation piece that is located the springboard 2 lower extreme can be turned round under the effect of the power that resets 18, makes locking subassembly 6 switch back to the second state again by the first state, and car 3 can freely move on guide rail 19.
In one embodiment, as shown in fig. 3 to 4, the restoring member 18 is provided as a torsion spring having one end fixed to the protruding bar 10 and the other end fixed to the fixing member 7.
In one embodiment, as shown in fig. 3 to 4, a limiting member 20 is disposed at an end of the rotating shaft 11, the lifting rod 12 is located between the limiting member 20 and the fixing member 7, and the limiting member 20 can abut against the lifting rod 12 to prevent the lifting rod 12 from falling off from the rotating shaft 11.
In one embodiment, as shown in fig. 3 to 4, the end of the protruding rod 10 is provided with a curved structure capable of abutting against the elastic plate 2. When the elastic plate 2 presses the extension rod 10 downwards, the extension rod 10 rotates downwards, the contact between the end part of the extension rod 10 and the elastic plate 2 is changed continuously, and the curved surface structure can enable the contact between the elastic plate 2 and the extension rod 10 to be smoother and more stable.
In one embodiment, as shown in fig. 5, the locking assembly 6 includes a base 21, a connecting plate 22, a roller 23 and a pull rod 24, the base 21 is provided with a guide rail groove 25, the connecting plate 22 is provided with a long hole 26, and the roller 23 has a central axis; the connecting plate 22 is fixedly connected with the base 21, a central shaft of the roller 23 penetrates through the strip hole 26 and is connected with the pull rod 24, the roller 23 is located on one side of the guide rail groove 25, the pull rod 24 is hinged with the trigger piece 9, and the trigger piece 9 can drive the pull rod 24 to move upwards so that the pull rod 24 drives the roller 23 to move towards the direction gradually approaching the guide rail groove 25 along the strip hole 26. The guide rail groove 25 is mainly used for being matched with the guide rail 19, when the elevator moves up and down, the guide rail 19 slides in the guide rail groove 25, when a cable is broken, the trigger piece 9 moves upwards, the pull rod 24 hinged with the trigger piece 9 also moves upwards, so that the roller 23 is driven to move in the elongated hole 26 along the extending direction of the elongated hole 26, the elongated hole 26 is gradually arranged close to the guide rail groove 25 from bottom to top, the roller 23 can gradually move close to the guide rail groove 25 in the movement until the roller 23 is abutted against the guide rail 19 in the guide rail groove 25 and gives a certain force to the guide rail 19, and under the action of the force, the elevator stops moving.
In a specific embodiment, the safety gear triggering structure further comprises a microswitch, wherein the microswitch is fixed on the top of the car 3 and is positioned above the triggering piece 9; the trigger 9 can trigger the microswitch when the trigger 9 triggers the locking assembly 6 to switch from the second state to the first state. The micro switch can control the power device in the lifting assembly to stop, when the cable is broken, the trigger piece 9 moves upwards to trigger the micro switch positioned above the trigger piece 9, and the micro switch controls the power device to stop working after being triggered, so that the car 3 is further braked.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. Safety tongs trigger structure of no pit home use elevator, its characterized in that includes:
the middle part of the elastic plate is connected with the top of the elevator car;
the lifting assembly comprises two reversing pulleys arranged at the two ends of the elastic plate respectively, a reel and a cable wound on the reel, the cable extends upwards after reversing from the reversing pulleys, and the cable applies an upward force to the end part of the elastic plate by the reversing pulleys so as to enable the elastic plate to be bent and deformed, and the two ends of the elastic plate move upwards;
the two locking assemblies are respectively arranged at two ends of the elastic plate, and the locking assemblies have a first state for stopping the movement of the car and a second state for releasing the movement of the car;
the two trigger assemblies are respectively arranged at two ends of the elastic plate and comprise a fixed part, a rotating part and a trigger part hinged with the rotating part, the fixed part is fixedly arranged on the lift car, the rotating part is rotatably arranged on the fixed part, and the rotating part is positioned below the end part of the elastic plate; when the end part of the elastic plate moves downwards and exceeds a set threshold value, the elastic plate can trigger the rotating piece to rotate, so that the trigger piece is driven to trigger the locking assembly to be switched from the second state to the first state.
2. The safety gear triggering structure according to claim 1, wherein the rotating member comprises an extending rod, a rotating shaft and a lifting rod, the rotating shaft is arranged in the fixing member in a penetrating manner, one end of the extending rod is fixedly connected to the rotating shaft, the other end of the extending rod can be abutted against the elastic plate, one end of the lifting rod is connected to the end portion of the rotating shaft and can rotate along with the rotating shaft, and the other end of the lifting rod is hinged to the triggering member; the elastic plate can trigger the extension rod to rotate downwards, so that the lifting rod is driven to rotate upwards through the rotating shaft, the trigger piece moves upwards, and the locking assembly is triggered to be switched from the second state to the first state.
3. The safety gear trigger structure according to claim 2, wherein the fixing member is provided with a first through hole; the rotating part further comprises a shaft sleeve, the shaft sleeve comprises a shaft sleeve plate and a shaft sleeve ring, a second through hole is formed in the shaft sleeve plate, the shaft sleeve ring is arranged around the outer edge of the second through hole, the shaft sleeve plate is fixed on the fixing part, the first through hole and the second through hole are arranged oppositely, and the rotating shaft penetrates through the first through hole, the second through hole and the shaft sleeve ring in sequence.
4. The safety gear trigger structure according to claim 2, wherein the rotating member further comprises a stop plate, a stop plane is disposed on an outer periphery of an end portion of the rotating shaft, the lifting rod is rotatably sleeved on the rotating shaft, the stop plate is fixedly connected to the lifting rod, and an end portion of the stop plate abuts against the stop plane.
5. The safety gear trigger structure according to claim 2, wherein the rotating member further comprises a reset member, the reset member is sleeved on the rotating shaft, and the reset member can provide an upward rotating force to the protruding rod.
6. The safety gear triggering structure according to claim 5, wherein the resetting member is a torsion spring, one end of the torsion spring is fixed to the protruding rod, and the other end of the torsion spring is fixed to the fixing member.
7. The trigger structure of safety gear according to claim 4, wherein a limiting member is disposed at an end of the rotating shaft, the lifting rod is disposed between the limiting member and the fixing member, and the limiting member can abut against the lifting rod to prevent the lifting rod from falling off the rotating shaft.
8. A safety gear trigger structure according to claim 2, wherein the end of the extension bar is provided with a curved surface structure which can abut against the elastic plate.
9. The safety gear trigger structure according to claim 1, wherein the locking assembly comprises a base, a connecting plate, a roller and a pull rod, the base is provided with a guide rail groove, the connecting plate is provided with a long hole, and the roller is provided with a central shaft; the connecting plate with base fixed connection, the center pin of gyro wheel passes rectangular hole and with the pull rod is connected, just the gyro wheel is located one side in guide rail groove, the pull rod with trigger piece is articulated, trigger piece can drive the pull rod upward movement is so that the pull rod drives the gyro wheel is followed rectangular hole is to being close to gradually the direction motion in guide rail groove.
10. A safety gear trigger arrangement according to any one of claims 1 to 9, further comprising a micro switch secured to the car roof above the trigger; the trigger piece can trigger the microswitch when triggering the locking assembly to be switched from the second state to the first state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239797.2A CN112357719B (en) | 2020-11-09 | 2020-11-09 | Safety tongs triggering structure of household elevator without pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239797.2A CN112357719B (en) | 2020-11-09 | 2020-11-09 | Safety tongs triggering structure of household elevator without pit |
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| CN112357719A true CN112357719A (en) | 2021-02-12 |
| CN112357719B CN112357719B (en) | 2021-10-29 |
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| US20040178023A1 (en) * | 2003-02-04 | 2004-09-16 | Julien Maury | Safety device for an elevator |
| CN202379552U (en) * | 2011-12-22 | 2012-08-15 | 江南嘉捷电梯股份有限公司 | Elevator safety protection device |
| CN104444690A (en) * | 2014-12-02 | 2015-03-25 | 江苏通鼎电梯有限公司 | Safety gear lifting linkage device arranged on car roof |
| CN204624880U (en) * | 2015-05-05 | 2015-09-09 | 亚迅电梯(上海)有限公司 | Elevator safety clamp device |
| CN207046628U (en) * | 2017-05-22 | 2018-02-27 | 苏州天梭电梯有限公司 | A kind of bottom type rope broken protector |
| CN110467080A (en) * | 2019-07-25 | 2019-11-19 | 山东奔速电梯股份有限公司 | A kind of indoor elevator security protection lockable mechanism |
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| CN112357719B (en) | 2021-10-29 |
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