CN108275552A - A kind of foldable elevator toe guard suitable for shallow pit - Google Patents
A kind of foldable elevator toe guard suitable for shallow pit Download PDFInfo
- Publication number
- CN108275552A CN108275552A CN201810265121.7A CN201810265121A CN108275552A CN 108275552 A CN108275552 A CN 108275552A CN 201810265121 A CN201810265121 A CN 201810265121A CN 108275552 A CN108275552 A CN 108275552A
- Authority
- CN
- China
- Prior art keywords
- toeguard
- lock shaft
- shaped bending
- toe guard
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Elevator Door Apparatuses (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of foldable elevator toe guards suitable for shallow pit, include the upper toeguard being connected with each other through spring hinge and lower toeguard, spring hinge both ends connect toeguard and lower toeguard through upper U-shaped bending with lower U-shaped bending respectively, the lower toeguard side of the lower U-shaped bending lower end is equipped with lock shaft holder, lock shaft holder is equipped with lock shaft, lock shaft bottom is equipped with the lock shaft fixed plate positioned at lock shaft stent outer, lock shaft is equipped with the resetting spring and check ring being located in lock shaft holder, lock shaft upper end sequentially passes through lower U-shaped bending and upper U-shaped bending is connected with safety switch, the lower toeguard side is equipped with shaft, shaft one end is equipped with and hits plate, it hits and is equipped with collision seat below plate, shaft is equipped with arresting lever and driving lever.The present invention can adapt to the use of elevator shallow pit, and have the characteristics that job stability is high, safety is good.
Description
Technical field
The present invention relates to a kind of toeguards, especially a kind of foldable elevator toe guard suitable for shallow pit.
Background technology
Elevator toe guard is generally mounted to below the sill of hall door and gate, prevents passenger because between car and landing sill
Gap be strayed into hoistway, the length of toeguard vertical height is the phase in GB7588-2003 an important factor for ensureing passenger safety
Clause regulation is closed, the vertical height of toeguard should be not less than 750mm, and bevel altitude is not less than 35mm.But many elevators are being installed
Can be influenced in the process by installation environment, especially to aging blocks install additional elevator when often because the construction of elevator pit by
Limit causes bridge compartment its toeguard after falling completely to be formed with pit and interferes, to cause the increasing of difficult design and elevator cost
Add.Therefore, it is necessary to a kind of toeguards that can be suitable for elevator shallow pit under conditions of not changing vertical height.
Invention content
The object of the present invention is to provide a kind of foldable elevator toe guards suitable for shallow pit.It can adapt to electricity
The use of the shallow pit of ladder, and have the characteristics that job stability is high, safety is good.
Technical scheme of the present invention：A kind of foldable elevator toe guard suitable for shallow pit, including through spring hinge phase
The upper toeguard and lower toeguard to connect, lower toeguard side are equipped with shaft, and shaft one end is equipped with and hits plate, hit and are equipped with below plate
Seat is collided, shaft is equipped with the arresting lever coordinated with lower toeguard.
A kind of foldable elevator toe guard suitable for shallow pit above-mentioned, the upper toeguard and lower toeguard both sides
It is equipped with baffle, the baffle end of upper toeguard and lower toeguard is bonded to each other.
A kind of foldable elevator toe guard suitable for shallow pit above-mentioned, the collision seat includes pedestal, under pedestal
End is fixed in elevator pit, and pedestal upper end is equipped with rotatable idler wheel.
A kind of foldable elevator toe guard suitable for shallow pit above-mentioned, the spring hinge both ends are respectively through upper U
Shape bending connects toeguard and lower toeguard with lower U-shaped bending, and the lower toeguard side of lower U-shaped bending lower end is equipped with lock shaft branch
Frame, lock shaft holder are equipped with lock shaft, and lock shaft bottom is equipped with the lock shaft fixed plate positioned at lock shaft stent outer, and lock shaft upper end is worn successively
It crosses down U-shaped bending and upper U-shaped bending is connected with safety switch, driving lever, driving lever one are equipped between lock shaft holder and lock shaft fixed plate
End connection shaft.
A kind of foldable elevator toe guard suitable for shallow pit above-mentioned, the lock shaft, which is equipped with, is located at lock shaft holder
Interior resetting spring and check ring.
A kind of foldable elevator toe guard suitable for shallow pit above-mentioned, the lock shaft is equipped with matches with lock shaft holder
The limited step of conjunction.
A kind of foldable elevator toe guard suitable for shallow pit above-mentioned, the lower shield of shaft both sides warp beam sleeve connection
Sole, axle sleeve inside are equipped with the axis pin being fixed in shaft.
A kind of application method of foldable elevator toe guard suitable for shallow pit above-mentioned：When elevator toe guard run to
When elevator pit, arresting lever and driving lever is driven to be rotated after hitting plate collision idler wheel；When hitting plate rotation, driving lever drives lock shaft first
Fixed plate declines, and so that lock shaft is detached from safety switch, upper U-shaped bending and lower U successively during declining by lock shaft fixed plate
Shape bending, when lock shaft is detached from lower U-shaped bending, arresting lever contacts with lower U-shaped bending and lower toeguard is driven to be rotated along spring hinge
To folded state；When elevator toe guard rises, hitting plate and being detached from idler wheel makes lower toeguard pass through its own gravity and spring hinge
Unfolded state is returned back under effect, lock shaft passes through lower U-shaped bending and upper U again under resetting spring drive when lower toeguard is unfolded
Shape bending simultaneously connects safety switch；Safety switch is detected the folded state of lower toeguard during elevator works, and protects
Demonstrate,prove the steady operation of toeguard.
Compared with prior art, the present invention can make shaft after rotation through arresting lever by hitting the cooperation of plate and collision seat
Lower toeguard is driven to be rotated, toeguard reduces accounting for for toeguard under alloing the present invention when close to pit by folding
With height, it is placed in shallow pit to enable toeguard to stablize when bridge compartment reaches low level；When car is detached from pit, under
Toeguard makes toeguard work in elevator by that can automatically return to vertical state under the action of its own gravity and spring hinge
When vertical height reach 750mm or more, to play effective blocking and protective effect, safety and the operation is stable to passenger
Property it is preferable, lower toeguard fold and reseting procedure in it is not necessary that by electronic equipment auxiliary completion, production cost is relatively low；Lower spats
Plate can play limit and locking in vertical state, by the cooperation of lock shaft and U-shaped bending to upper toeguard and lower toeguard
Effect, makes lower toeguard remain substantially vertical state after deployment and can bear certain thrust, further improves this
The safety of invention and job stability；By the cooperation of driving lever and lock shaft fixed plate can also make lock shaft shaft rotation after from
It is dynamic to be detached from upper U-shaped bending and lower U-shaped bending, to make lower toeguard cage descending can be rotated along spring hinge after in place to
Specified angle, safety switch can also detect the folded state of toeguard when bridge compartment lifts, to make worker in toeguard event
It can find and repair rapidly after barrier, improve the safety of the present invention.In addition, baffle of the present invention by toeguard both sides,
It can reinforce the stress intensity and ability of anti-deformation of upper toeguard and lower toeguard, and can be given a shock in toeguard or lateral force
When play a protective role to connectors such as lock shaft and spring hinges, avoid connector from excessive occurring being bent or what is loosened asks because shaking
Topic further improves the safety of the present invention；Position-limiting action can be played to lock shaft, by limited step to avoid lock shaft
In lifting, lock shaft fixed plate is detached from driving lever caused by axial-rotation, further increases the job stability of the present invention；Pass through axis
The cooperation of set and shaft can reduce frictional dissipation of the shaft in rotation, can be with the axis of countershaft by the axis pin on the inside of axle sleeve
Position-limiting action is played to position, to ensure being stably connected with for shaft and lower toeguard；And idler wheel with hit energy after plate contacts
Enough and plate cooperation rotation is hit, to avoid hitting the breakage or deformation on plate surface caused by friction, further improves and hit making for plate
Use the service life.So the present invention can be maintained at the vertical height of 750mm or more when bridge compartment lifts, drop to low level in bridge compartment
When can complete to place the shallow pit of toeguard by the lower toeguard of folding, so that toeguard is completed at the same time the guarantor to passenger
Shield and to the applicability of elevator shallow pit, job stability is high, safety is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Fig. 3 is the C of Fig. 2 to sectional view；
Fig. 4 is enlarged drawing at the B of Fig. 1；
Fig. 5 is the structural schematic diagram of arresting lever and driving lever；
Fig. 6 is the outline drawing of the present invention in a folded configuration.
Reference numeral：1- spring hinges, the upper toeguards of 2-, toeguard under 3-, 4- lock shaft holders, 5- lock shafts, 6- lock shafts are solid
Fixed board, 7- resetting springs, 8- check rings, 9- safety switches, 10- shafts, 11- hit plate, and 12- collides seat, 13- arresting levers, 14-
Driving lever, 15- baffles, 16- axle sleeves, 17- axis pins, the upper U-shaped bendings of 201-, U-shaped bending under 301-, 121- pedestals, 122- idler wheels,
131- clamp rings, 132- pressing plates, 501- limited steps.
Specific implementation mode
With reference to embodiment, the invention will be further described, but is not intended as the foundation limited the present invention.
Embodiment：A kind of foldable elevator toe guard suitable for shallow pit, structure is as shown in Figure 1, include being closed through spring
The upper toeguard 2 and lower toeguard 3 that page 1 is connected with each other, 2 top of upper toeguard are connected with each other with elevator cage, lower toeguard 3 one
Side is equipped with shaft 10, and 10 one end of shaft is equipped with and hits plate 11, hits 11 lower section of plate and is equipped with collision seat 12, shaft 10 is equipped with and lower spats
The arresting lever 13 that plate 3 coordinates.
The upper toeguard 2 and lower 3 both sides of toeguard are equipped with baffle 15, the baffle 15 of upper toeguard 2 and lower toeguard 3
End is bonded to each other.
The collision seat 12 includes pedestal 121, and 121 lower end of pedestal is fixed in elevator pit, and 121 upper end of pedestal is equipped with can
The idler wheel 122 of rotation.
1 both ends of the spring hinge are respectively through upper U-shaped bending 201 and the upper toeguard 2 of lower U-shaped bending 301 connection and lower shield
3 side of lower toeguard of sole 3, lower 301 lower end of U-shaped bending is equipped with lock shaft holder 4, and lock shaft holder 4 is equipped with lock shaft 5, lock shaft 5
Bottom is equipped with the lock shaft fixed plate 6 for being located at 4 outside of lock shaft holder, and 5 upper end of lock shaft sequentially passes through lower U-shaped bending 301 and upper U-shaped folding
Curved 201 are connected with safety switch 9, and driving lever 14 is equipped between lock shaft holder 4 and lock shaft fixed plate 6, and 14 one end of driving lever connects shaft
10。
The lock shaft 5 is equipped with the resetting spring 7 being located in lock shaft holder 4 and check ring 8.
The lock shaft 5 is equipped with the limited step 501 coordinated with lock shaft holder 4.
The lower toeguard 3 of 10 both sides warp beam sleeve 16 of shaft connection, 16 outer ring of axle sleeve are fixedly connected with lower toeguard 3, axis
It covers 16 inner rings to be rotatablely connected with shaft 10,16 inside of axle sleeve is equipped with the axis pin 17 being fixed in shaft 10.
A kind of application method of the foldable elevator toe guard suitable for shallow pit：When elevator toe guard is run to electricity
When terraced pit, hits after plate 11 collides idler wheel 122 and arresting lever 13 and driving lever 14 is driven to be rotated；When hitting the rotation of plate 11, driving lever 14
It drives lock shaft fixed plate 6 to decline first, and so that lock shaft 5 is detached from safety switch successively during declining by lock shaft fixed plate 6
9, upper U-shaped bending 201 and lower U-shaped bending 301, arresting lever 13 and lower U-shaped bending 301 when lock shaft 5 is detached from lower U-shaped bending 301
It contacts and drives lower toeguard 3 along the rotation of spring hinge 1 to folded state；When elevator toe guard rises, hits plate 11 and be detached from rolling
Wheel 122 makes lower toeguard 3 by returning back to unfolded state under the action of its own gravity and spring hinge 1, when lower toeguard 3 is unfolded
Lock shaft 5 passes through lower U-shaped bending 301 and upper U-shaped bending 201 under the drive of resetting spring 7 and connects safety switch 9 again；Safety
Switch 9 is detected the folded state of lower toeguard during elevator works, and ensures the steady operation of toeguard.
The operation principle of the present invention：The present invention is in unfolded state during elevator lifting, by upper toeguard 2 under
The vertical connection of toeguard 3 makes the vertical height of toeguard be not less than 750mm, to meet the rule of the national standard in GB7588-2003
Determine and effective protection is played to passenger；The present invention is upon deployment by sequentially passing through lower U-shaped bending 301 and upper U-shaped bending 201
Lock shaft 5 can make toeguard 2 and lower toeguard 3 is maintained at substantially vertical state and is played to upper toeguard 2 and lower toeguard 3
Position-limiting action prevents lower toeguard from being folded after the collision by passenger, to play the effect of protection；Pass through toeguard
The baffle 15 of both sides can improve the stress intensity of toeguard 2 and lower toeguard 3, to reduce toeguard when by external force
Deformation, improve the present invention safety and service life；Limit can be played with countershaft by the axis pin 17 of shaft both sides
Effect, toeguard 3 under avoiding shaft 10 from being detached from because of the vibrations of bridge compartment；For car in lifting process, safety switch 9 passes through detection and lock
The connection relation of axis 5 judges whether lower toeguard 3 is in unfolded state, ensures protection effect of the toeguard to passenger.
When elevator cab is dropped to close to pit, the plate 11 that hits of 10 one end of shaft is contacted with idler wheel 122 and in idler wheel 122
Under the action of drive the rotation of shaft 10 to certain angle；The driving lever 14 in rotation of shaft 10 first drives lock shaft 5 through lock shaft fixed plate 6
Decline, lock shaft 5 can be made to keep vertical state in lifting process by the lock shaft holder 4 of U-shaped, to prevent inclination or clamping stagnation
The problem of.Lock shaft 5 is detached from safety switch 9, upper U-shaped bending 201 and lower U-shaped bending 301 successively after decline, to make upper spats
Plate 2 and lower toeguard 3 unlock state, and lock shaft 5 can prevent the axis of lock shaft 5 in lifting process by limited step 501
To rotation, avoid lock shaft 5 that lock shaft fixed plate 6 is caused to be detached from driving lever 14 after rotation.Stop when lock shaft 5 is detached from lower U-shaped bending 301
Bar 13 turn to lower 301 contact position of U-shaped bending, and the subsequent rotation of shaft 10 effect under drive under toeguard 3 along bullet
Spring hinge 1 is rotated, to complete the folding to lower toeguard.After hitting the rotation of plate 11 to vertical state, lower toeguard 3 exists
90 degree of bendings are formed with upper toeguard 2 under the drive of arresting lever 13, stabilization is enabled the invention to and is placed in elevator pit；Work as sedan-chair
After compartment drops to low level, safety switch 9 judges whether lower toeguard 3 is in rugosity by detecting with the connection relation of lock shaft 5
State, to enable worker to detect the working condition of toeguard and can find and repair at the first time after toeguard failure.
After lift car rising makes to hit disengaging idler wheel 122 of plate 11, effect of the lower toeguard 3 in gravity and spring hinge 1
Automatically returning to expanded position；Lock shaft 5 also passes through lower U-shaped bending again under the action of resetting spring 7 and check ring 8
301 and upper U-shaped bending 201 and touch-safe switch 9；Lock shaft 5 drives lock shaft fixed plate 6 to make lock shaft fixed plate in reseting procedure
6 and lock shaft holder 4 impaction state is in driving lever 14 again, driving lever 14 causes the rotation of shaft 10 to make arresting lever 13 after compaction
Nature is returned to plate 11 is hit.The present invention just can be automatically performed without electrical equipment to lower spats by the cooperation of each connector
The folding and reset of plate 3, and each connector can also return back to nature after car rise, and production cost is low, work is steady
It is qualitative good.
Claims (8)
1. a kind of foldable elevator toe guard suitable for shallow pit, it is characterised in that：Including being connected with each other through spring hinge (1)
Upper toeguard (2) and lower toeguard (3), lower toeguard (3) side be equipped with shaft (10), shaft (10) one end be equipped with hit plate
(11), it hits and is equipped with collision seat (12) below plate (11), shaft (10) is equipped with the arresting lever (13) coordinated with lower toeguard (3).
2. a kind of foldable elevator toe guard suitable for shallow pit according to claim 1, it is characterised in that：On described
Toeguard (2) and lower toeguard (3) both sides are equipped with baffle (15), baffle (15) end of upper toeguard (2) and lower toeguard (3)
Portion is bonded to each other.
3. a kind of foldable elevator toe guard suitable for shallow pit according to claim 1, it is characterised in that：It is described to touch
It includes pedestal (121) to hit seat (12), and pedestal (121) lower end is fixed in elevator pit, and pedestal (121) upper end is equipped with rotatable
Idler wheel (122).
4. a kind of foldable elevator toe guard suitable for shallow pit according to claim 1, it is characterised in that：The bullet
Spring hinge (1) both ends are respectively through toeguard (2) and lower toeguard on upper U-shaped bending (201) and lower U-shaped bending (301) connection
(3), lower toeguard (3) side of lower U-shaped bending (301) lower end is equipped with lock shaft holder (4), and lock shaft holder (4) is equipped with lock shaft
(5), lock shaft (5) bottom is equipped with the lock shaft fixed plate (6) being located on the outside of lock shaft holder (4), and lock shaft (5) upper end sequentially passes through lower U
Shape bending (301) and upper U-shaped bending (201) are connected with safety switch (9), are set between lock shaft holder (4) and lock shaft fixed plate (6)
There are driving lever (14), driving lever (14) one end to connect shaft (10).
5. a kind of foldable elevator toe guard suitable for shallow pit according to claim 4, it is characterised in that：The lock
Axis (5) is equipped with the resetting spring (7) being located in lock shaft holder (4) and check ring (8).
6. a kind of foldable elevator toe guard suitable for shallow pit according to claim 4, it is characterised in that：The lock
Axis (5) is equipped with the limited step (501) coordinated with lock shaft holder (4).
7. a kind of foldable elevator toe guard suitable for shallow pit according to claim 1, it is characterised in that：Described turn
The lower toeguard (3) of axis (10) both sides warp beam sleeve (16) connection, axle sleeve (16) inside are equipped with the axis pin being fixed in shaft (10)
(17)。
8. a kind of foldable elevator toe guard suitable for shallow pit according to any claim in claim 1-7
Application method, it is characterised in that：When elevator toe guard is run to elevator pit, drives arresting lever after hitting plate collision idler wheel and dial
Bar is rotated；When hitting plate rotation, driving lever drives lock shaft fixed plate to decline first, and so that lock shaft is being declined by lock shaft fixed plate
It is detached from safety switch, upper U-shaped bending and lower U-shaped bending successively in the process, arresting lever and lower U when lock shaft is detached from lower U-shaped bending
Shape bending contacts and lower toeguard is driven to be rotated to folded state along spring hinge；When elevator toe guard rises, plate disengaging is hit
Idler wheel returns back to unfolded state, lock shaft when lower toeguard is unfolded under the action of so that lower toeguard is passed through its own gravity and spring hinge
It passes through lower U-shaped bending and upper U-shaped bending again under resetting spring drive and connects safety switch；Safety switch works in elevator
The folded state of lower toeguard is detected in the process, ensures the steady operation of toeguard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265121.7A CN108275552B (en) | 2018-03-28 | 2018-03-28 | Foldable elevator toe guard suitable for shallow pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265121.7A CN108275552B (en) | 2018-03-28 | 2018-03-28 | Foldable elevator toe guard suitable for shallow pit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108275552A true CN108275552A (en) | 2018-07-13 |
| CN108275552B CN108275552B (en) | 2023-05-12 |
Family
ID=62810664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810265121.7A Active CN108275552B (en) | 2018-03-28 | 2018-03-28 | Foldable elevator toe guard suitable for shallow pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108275552B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6095288A (en) * | 1999-04-22 | 2000-08-01 | Otis Elevator Company | Pit-less elevator |
| WO2002010053A1 (en) * | 2000-07-28 | 2002-02-07 | Selcom S.P.A. | Movable skirt for elevator cabin |
| WO2002060802A2 (en) * | 2001-01-31 | 2002-08-08 | Otis Elevator Company | Moveable toe guard assembly for elevators |
| JP2002302370A (en) * | 2001-01-31 | 2002-10-18 | Otis Elevator Co | Protecting plate device for elevator |
| CN102701057A (en) * | 2012-03-13 | 2012-10-03 | 西子奥的斯电梯有限公司 | Rotatable lift car toe guard |
| CN103896142A (en) * | 2014-04-04 | 2014-07-02 | 江南嘉捷电梯股份有限公司 | Rotatable lift car toe guard |
| CN204624899U (en) * | 2015-03-04 | 2015-09-09 | 汉普森电梯有限公司 | A kind of rotary elevator toe guard |
| CN205034922U (en) * | 2015-08-25 | 2016-02-17 | 湖南德力通电梯有限公司 | Perpendicular elevator of shallow pit and car toeguard thereof |
| CN208037798U (en) * | 2018-03-28 | 2018-11-02 | 怡达快速电梯有限公司 | foldable elevator toe guard suitable for shallow pit |
-
2018
- 2018-03-28 CN CN201810265121.7A patent/CN108275552B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6095288A (en) * | 1999-04-22 | 2000-08-01 | Otis Elevator Company | Pit-less elevator |
| WO2002010053A1 (en) * | 2000-07-28 | 2002-02-07 | Selcom S.P.A. | Movable skirt for elevator cabin |
| WO2002060802A2 (en) * | 2001-01-31 | 2002-08-08 | Otis Elevator Company | Moveable toe guard assembly for elevators |
| JP2002302370A (en) * | 2001-01-31 | 2002-10-18 | Otis Elevator Co | Protecting plate device for elevator |
| CN102701057A (en) * | 2012-03-13 | 2012-10-03 | 西子奥的斯电梯有限公司 | Rotatable lift car toe guard |
| CN103896142A (en) * | 2014-04-04 | 2014-07-02 | 江南嘉捷电梯股份有限公司 | Rotatable lift car toe guard |
| CN204624899U (en) * | 2015-03-04 | 2015-09-09 | 汉普森电梯有限公司 | A kind of rotary elevator toe guard |
| CN205034922U (en) * | 2015-08-25 | 2016-02-17 | 湖南德力通电梯有限公司 | Perpendicular elevator of shallow pit and car toeguard thereof |
| CN208037798U (en) * | 2018-03-28 | 2018-11-02 | 怡达快速电梯有限公司 | foldable elevator toe guard suitable for shallow pit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108275552B (en) | 2023-05-12 |
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