CN206069125U - A kind of limit switch for elevator - Google Patents
A kind of limit switch for elevator Download PDFInfo
- Publication number
- CN206069125U CN206069125U CN201621029932.XU CN201621029932U CN206069125U CN 206069125 U CN206069125 U CN 206069125U CN 201621029932 U CN201621029932 U CN 201621029932U CN 206069125 U CN206069125 U CN 206069125U
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- CN
- China
- Prior art keywords
- mounting seat
- conducting strip
- swing arm
- seat
- limit switch
- Prior art date
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Abstract
The utility model discloses a kind of limit switch for elevator, including housing and swing arm, the housing includes the mounting seat on switch bracket and the plastic cover being arranged in mounting seat, one end of the plastic cover is connected in mounting seat, the other end is locked in mounting seat by locking member, the installed part swung in mounting seat is provided with the middle part of the swing arm, one end of the swing arm is arranged in mounting seat, the other end is arranged on outside mounting seat, on one end that the swing arm is arranged in mounting seat offers chute.The taken up space less, convenient disassembly of this utility model, be easy to maintenance, overall structure is relatively stable and security performance is high.
Description
Technical field
This utility model is related to limit switch technical field, is related specifically to a kind of limit switch for elevator.
Background technology
When elevator the speed of service exceed normal speed when, or elevator traction steel-cable rupture when, need safety fill
Put and timely elevator device is protected, with the generation beyond preventing, and limiter of speed can to the elevator that hypervelocity declines
Play a part of safeguard protection.
And limit switch is one of important parts part in limiter of speed, and limit switch of the prior art is whole
Body structure is more complicated, taken up space bigger, and then the installation to limit switch brings larger inconvenience；Another, limit
The plastic cover of bit switch is arranged in mounting seat by multiple bolts, is made the dismounting of plastic cover extremely inconvenient, is had a strong impact on
The maintenance efficiency of limit switch, brings larger inconvenience to operator.
But the deficiencies in the prior art are directed to, developer is necessary to develop a kind of reasonable in design, simple structure, is taken up space
Less, convenient disassembly, be easy to maintenance, the limit switch for elevator that overall structure is relatively stable and security performance is high.
Utility model content
To solve the problems, such as prior art, this utility model purpose provides a kind of reasonable in design, simple structure, institute
Take up space less, convenient disassembly, be easy to that maintenance, overall structure are relatively stable and security performance is high opens for the spacing of elevator
Close.
To solve above technical problem, this utility model employs the following technical solutions to realize：
A kind of limit switch for elevator, it is characterised in that including housing and swing arm, the housing includes being arranged on
Mounting seat and the plastic cover being arranged in mounting seat on switch bracket, one end of the plastic cover is connected to mounting seat
On, the other end is locked in mounting seat by locking member；
The installed part swung in mounting seat is provided with the middle part of the swing arm, one end of the swing arm sets
Put in mounting seat, the other end is arranged on outside mounting seat, cunning is offered on one end that the swing arm is arranged in mounting seat
Groove；
The first conducting strip, the second conducting strip, sliding seat, rotating shaft and movable seat support are provided with the mounting seat, it is described
One end of first conducting strip and the second conducting strip is connected with traction machine by wire respectively, and the two ends of the rotating shaft can be revolved respectively
Turn to be arranged in mounting seat, one end of the sliding seat is arranged in rotating shaft, in the other end of the sliding seat by fixed mount
Elastic conducting strip is provided with, one end of the elastic conducting strip is contacted with the other end of the first conducting strip, the elastic conduction
The other end of piece is contacted with the other end of the second conducting strip, one end of the movable seat support be arranged on sliding seat in
Portion, the other end are slidably arranged in the chute of swing arm, between the middle part of the sliding seat and mounting seat are provided with back-moving spring,
When the speed of service of elevator exceedes normal speed, centrifugal block for clutch use clashes into the swing arm of limit switch and is arranged on outside mounting seat one
End, and the two ends of elastic conducting strip can be made respectively away from the first conducting strip and the second conducting strip.
In a preferred embodiment of the present utility model, the installed part includes mounting rod and is rotatably set in installation
Rotary sleeve on bar, the two ends of the mounting rod are respectively and fixedly installed in mounting seat, the middle part fixed installation of the rotary sleeve
On swing arm.
In a preferred embodiment of the present utility model, reinforcing plate, the reinforcement are provided with the bottom of the mounting seat
Plate is mounted by means of bolts on the bottom of mounting seat.
Compared with prior art, this utility model sliding seat one end is arranged in rotating shaft by fixed mount, can be effective
The stability between sliding seat and rotating shaft is improved, so that being not susceptible between rotating shaft and sliding seat loosens, is further carried
The stability and security performance of the high limit switch；Another, maintenance when, can conveniently by plastic cover from
Disassemble in mounting seat, larger facility is brought to operator.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is front view of the present utility model.
Right views of the Fig. 3 for Fig. 2.
Upward views of the Fig. 4 for Fig. 2.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
Shown in reference picture 1- Fig. 4, a kind of limit switch for elevator be given in figure, including housing and swing arm 200.
Bolt is fixed on switch bracket through the installing hole 111,112 being arranged in mounting seat 110, effectively
Improve mounting seat 110 and switch between stability.
Housing includes mounting seat 110 and the plastic cover 120 being arranged in mounting seat 110 on switch bracket,
One end of plastic cover 120 is connected in mounting seat 110 by card base 121,122, and the other end is locked at peace by locking member 500
Dress seat 110 on, maintenance when, conveniently plastic cover 120 can be disassembled from mounting seat, to operator with
Larger facility is carried out.
The middle part of swing arm 200 is provided with the installed part swung in mounting seat 110, and installed part includes mounting rod
310 are set in the rotary sleeve 320 on mounting rod 310 with rotation, and the two ends of mounting rod 310 are respectively and fixedly installed to mounting seat 110
On, the middle part of rotary sleeve 320 is fixedly mounted on swing arm 200.
One end 210 of swing arm 200 is arranged in mounting seat 110, and the other end 220 is arranged on outside mounting seat 110, is being swung
Chute 211 is offered on one end 210 that bar 200 is arranged in mounting seat 110, the global shape of chute 211 is arc.
The first conducting strip, the second conducting strip, sliding seat, rotating shaft and movable seat support are provided with mounting seat 110, first leads
One end of electric piece and the second conducting strip is connected with traction machine by wire respectively, in mounting seat 110 and going out positioned at wire
Outlet protective case 600 is provided with line, outlet protective case 600 is prevented from abrasion between wire and mounting seat 110, effectively
Improve the protective value of wire.
The two ends of rotating shaft are rotatably disposed in mounting seat 110 respectively, and one end of sliding seat is arranged on by fixed mount and is turned
On axle, and the other end of sliding seat is mounted by means of bolts on fixed mount, is adopted the structure and can effectively be improved work
Stability between dynamic seat and rotating shaft.
The other end of elastic conducting strip, one end of elastic conducting strip and the first conducting strip is provided with the other end of sliding seat
Contact, the other end of elastic conducting strip is contacted with the other end of the second conducting strip.
Reinforcing plate 400 is provided with the bottom of mounting seat 110, reinforcing plate 400 is fixedly mounted on by bolt 710,720,730
On the bottom of mounting seat 110, the setting of reinforcing plate 400 can effectively improve the mechanical strength of mounting seat 110, effectively improve
The service life of the limit switch.
Back-moving spring is provided between the middle part of sliding seat and mounting seat, when the speed of service of elevator exceedes normal speed
When, centrifugal block for clutch use clashes into the swing arm 200 of limit switch and is arranged on the one end 220 outside mounting seat, and can make elastic conducting strip
Two ends respectively away from the first conducting strip and the second conducting strip so that traction machine power-off, for limiting the speed of service of elevator.
This utility model sliding seat one end is arranged in rotating shaft by fixed mount in sum, being capable of effectively raising activity
Stability between seat and rotating shaft, so that being not susceptible between rotating shaft and sliding seat loosens, further increases the limit
The stability and security performance of bit switch；Another, is in maintenance, can be conveniently by plastic cover from mounting seat
Disassemble, larger facility is brought to operator.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model can also
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed this utility model.This utility model will
Protection domain is asked to be defined by appending claims and its equivalent.
Claims (3)
1. a kind of limit switch for elevator, it is characterised in that including housing and swing arm, the housing includes being arranged on to be opened
The mounting seat on support and the plastic cover being arranged in mounting seat are closed, one end of the plastic cover is connected in mounting seat,
The other end is locked in mounting seat by locking member；
The installed part swung in mounting seat is provided with the middle part of the swing arm, one end of the swing arm is arranged on
In mounting seat, the other end is arranged on outside mounting seat, on one end that the swing arm is arranged in mounting seat offers chute；
It is provided with the first conducting strip, the second conducting strip, sliding seat, rotating shaft and movable seat support in the mounting seat, described first
One end of conducting strip and the second conducting strip is connected with traction machine by wire respectively, and the two ends of the rotating shaft are rotatable respectively to be set
Put in mounting seat, one end of the sliding seat is arranged in rotating shaft by fixed mount, is set on the other end of the sliding seat
Flexible conducting strip, one end of the elastic conducting strip are contacted with the other end of the first conducting strip, the elastic conducting strip
The other end is contacted with the other end of the second conducting strip, one end of the movable seat support be arranged on sliding seat at middle part, separately
One end is slidably arranged in the chute of swing arm, is provided with back-moving spring, works as electricity between the middle part of the sliding seat and mounting seat
When the speed of service of ladder exceedes normal speed, centrifugal block for clutch use clashes into the swing arm of limit switch and is arranged on the one end outside mounting seat,
And the two ends of elastic conducting strip can be made respectively away from the first conducting strip and the second conducting strip.
2. a kind of limit switch for elevator as claimed in claim 1, it is characterised in that：The installed part includes mounting rod
The rotary sleeve being rotatably set on mounting rod, the two ends of the mounting rod are respectively and fixedly installed in mounting seat, the rotation
It is fixedly mounted on swing arm in the middle part of pivoted housing.
3. a kind of limit switch for elevator as claimed in claim 1, it is characterised in that：Set in the bottom of the mounting seat
There is reinforcing plate, the reinforcing plate is mounted by means of bolts on the bottom of mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029932.XU CN206069125U (en) | 2016-08-31 | 2016-08-31 | A kind of limit switch for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029932.XU CN206069125U (en) | 2016-08-31 | 2016-08-31 | A kind of limit switch for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206069125U true CN206069125U (en) | 2017-04-05 |
Family
ID=58436739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621029932.XU Active CN206069125U (en) | 2016-08-31 | 2016-08-31 | A kind of limit switch for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206069125U (en) |
-
2016
- 2016-08-31 CN CN201621029932.XU patent/CN206069125U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |