CN205932848U - Telescopic toeguard - Google Patents
Telescopic toeguard Download PDFInfo
- Publication number
- CN205932848U CN205932848U CN201620888606.8U CN201620888606U CN205932848U CN 205932848 U CN205932848 U CN 205932848U CN 201620888606 U CN201620888606 U CN 201620888606U CN 205932848 U CN205932848 U CN 205932848U
- Authority
- CN
- China
- Prior art keywords
- toeguard
- inner panel
- screw rod
- outside plate
- fixture
- 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.)
- Expired - Fee Related
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a toeguard for the elevator specifically provides a telescopic toeguard, a telescopic toeguard, the toeguard is installed in the car bottom, including last inner panel and lower planking, going up the inner panel and down through slide linkage between the planking, going up the inner panel top and be fixed in the car floorbar, lower planking reciprocates along the slide rail, still include the screw rod, on the planking, the activity of screw rod upper portion was located on the inner panel under the screw rod bottom was fixed in. The utility model provides a telescopic toeguard has reduced the requirement to the pit height, has solved simultaneously because toeguard length causes the fall problem of well of maintainer or passenger inadequately, has improved and has overhauld and take advantage of the security of carrying, has guaranteed sufficient safe distance, avoids impacting the pit and causes the damage to the toeguard, simple to operate, the cost is reduced.
Description
Technical field
The present invention relates to a kind of elevator toeguard is and in particular to a kind of telescopic toeguard.
Background technology
With the fast development of building industry, house is built higher and higher, and elevator seems in people's daily life and becomes more and more important.?
In elevator industry, need often elevator to be overhauled, but be possible to accident to occur, for avoiding during overhauling elevator
During something unexpected happened, personnel are damaged, need, in cage bottom, toeguard is installed.Existing toeguard meets the institute of GB
Require it is adaptable to standard pit depth, can intactly embody the function of demand, and cost of manufacture is cheap, installation process
Simply.
But, for depth pit less than normal, existing toeguard cannot meet requirement, be mainly reflected in：First it is impossible to
Ensure enough safe distance, the personnel of easily causing fall hoistway, damage to maintainer and occupant；Second, in elevator
Run to it is possible to pit ground can be struck during bottom, thus causing toeguard to damage.
Content of the invention
The purpose of the present invention is the defect overcoming above-mentioned prior art, provides and a kind of goes for stretching of small size pit
Contracting formula toeguard, reduces the requirement to pit height, solve simultaneously due to toeguard length not cause maintainer or
Occupant falls the problem of hoistway, improves maintenance and the safety taking advantage of load.
For this reason, the invention provides a kind of telescopic toeguard, described toeguard is arranged on cage bottom, including upper inner panel
With lower outside plate, it is connected by slide rail between described upper inner panel and lower outside plate, car bottom girder is fixed at upper inner panel top, lower outside plate edge
Slide rail to move up and down；Also include screw rod, described screw rod bottom is fixed on lower outside plate, and screw rod top movable is located at upper inner panel
On.
The toeguard that the present invention provides is stretching structure, is respectively equipped with slide rail in upper inner panel two side, lower outside plate is interior with upper
Plate is connected by slide rail, and the sliding stroke of slide rail is more than the compression travel of toeguard so that can automatically adjust in pit region
Vertical height, reduces the requirement to pit height, ensure that maintenance and the safety carrying simultaneously.In addition, in the present invention also
It is provided with screw rod, described screw rod bottom is fixed, and top freely extends, and is used in combination with slide rail, plays bi-directional compression guide effect,
Ensure elevator stable operation, reduce the impulsive force to slide rail in car dropping process, extend slide rail service life.
In order to ensure upper inner panel and smoothly slip and the installation of lower outside plate, between upper inner panel and lower outside plate, leave 5mm gap.
As the improvement in structure, described lower outside plate is horizontally set with the first fixture, described screw rod bottom passes through first admittedly
Determine part and be fixed on the first fixture by upper and lower nut；Second fixture is horizontally set with described upper inner panel, on described screw rod
Portion is passed through the second fixture and is movably arranged on the second fixture by top nut.
Because screw rod is only provided with nut above the second fixture, so screw rod can freely upwardly extend, play guiding
Effect, structure is simple, easy to operate.First fixture, the second fixture are respectively arranged on lower outside plate, the bottom of upper inner panel, one
Determine adjustment reduced size in scope, it is possible to achieve the compression completely of toeguard.
As the improvement in structure, described screw rod is arranged with compression spring.Compression spring provides toeguard to leave pit
Restoring force afterwards, has reset response, it is to avoid toeguard is stuck and cannot be up.
As the improvement in structure, described upper inner panel is vertically additionally provided with two connectors being parallel to each other, connector with
Second fixture is vertical, offers chute in connector.It is easy to adjust the sedan-chair foot of cage bottom.
As the improvement in structure, described lower outside plate bottom is provided with bending bolt retainer.Lower outside plate bottom is fixedly connected
There are bending edges, bending edges are welded with bending bolt retainer, and bending bolt retainer has two, is respectively arranged on lower outside plate bottom two
End, during maintenance, elevator is parked in bottom, bolt of screwing on, and car is fixed on pit, and threaded bolt contacts ground makes toeguard be defeated
Contracting, it is to avoid bending edges contact ground stress.
As the improvement in structure, also include being arranged on toeguard side and being series at the safety open in elevator safety loop
Close, described safety switch includes being individually fixed in inner panel, first contact switch of lower outside plate the same side, the second contact switch.
Safety switch closure under normality, the first contact switch, the second contact switch contact, safety return circuit turns on.When toeguard compresses,
Separately, safety return circuit disconnects, elevator stop motion for first contact switch and the second contact switch.This safety switch may determine that electricity
Whether, when ladder leaves bottom, whether toeguard returns to normal, also outside plate can come off under alarm simultaneously.
In addition, we additionally provide a kind of pit being applied to described telescopic toeguard, it is provided with described pit and pacifies
Full switch limit switch in parallel, is also included being used cooperatively with limit switch and hits bow located at cage bottom.Hit bow contact pole
Limit switch, limit switch turns on, and elevator continues to run with, and limit switch is off before this.Because toeguard is the bottom of at
When hole starts compression, safety switch disconnects, thus safety return circuit disconnects, elevator stops, but, now elevator should normally be transported
OK, therefore it is provided with the limit switch in parallel with safety switch, before toeguard compression and after reply, interior two of a period of time opens
Close all in the conduction state, in toeguard compression process, limit switch turns on, and safety switch disconnects, and safety return circuit is still led
Logical, elevator continues to run with.This limit switch needs to ensure closure conducting before toeguard compresses, in the first contact switch and second
Contact switch separates and starts before elevator stops, and limit switch is in closure state, and in addition limit switch acts in toeguard
It is off during other stops.The setting of limit switch not only can guarantee that toeguard compression after continue to run with it is ensured that
The normal effect of other stop toeguards.Depending on the setting height(from bottom) of limit switch has practical situation.
Beneficial effects of the present invention：This telescopic toeguard that the present invention provides, reduces the requirement to pit height,
Solve the problems, such as not to cause maintainer or occupant falls hoistway due to toeguard length simultaneously, improve maintenance and take advantage of load
Safety it is ensured that enough safe distance, it is to avoid clash into pit and toeguard caused damage, easy for installation, reduce into
This.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the side view of the present invention.
Description of reference numerals：1st, upper inner panel；2nd, lower outside plate；3rd, the first fixture；4th, the second fixture；5th, slide rail；6th, spiral shell
Bar；7th, compression spring；8th, connector；9th, safety switch；10th, chute；11st, bending bolt retainer；12nd, car bottom girder.
Specific embodiment
With reference to the accompanying drawings and detailed description, it is further elucidated with the present invention.
Embodiment 1：
A kind of telescopic toeguard as illustrated in fig. 1 and 2, described toeguard is arranged on cage bottom, including upper inner panel 1 He
Lower outside plate 2, is connected by slide rail 5 between described upper inner panel 1 and lower outside plate 2, and car bottom girder 12 is fixed at upper inner panel 1 top, under
Outside plate 2 moves up and down along slide rail 5；Also include screw rod 6, described screw rod 6 bottom is fixed on lower outside plate 2, screw rod 6 top movable
On upper inner panel 1.
The toeguard that the present embodiment provides is stretching structure, is respectively equipped with slide rail 5 in upper inner panel 1 two side, lower outside plate 2 with
Upper inner panel 1 is connected by slide rail 5, and the sliding stroke of slide rail 5 is more than the compression travel of toeguard so that can oneself in pit region
Dynamic regulation vertical height, reduces the requirement to pit height, ensure that maintenance and the safety carrying simultaneously.In addition, this
It is additionally provided with screw rod, described screw rod bottom is fixed, and top freely extends, and is used in combination with slide rail, plays bi-directional compression and leads in bright
To effect it is ensured that elevator stable operation, reduce the impulsive force to slide rail in car dropping process, extend slide rail service life.
In order to ensure upper inner panel 1 and lower outside plate 2 smoothly slides and installs, leave between 5mm between upper inner panel 1 and lower outside plate 2
Gap.
The present embodiment provide this telescopic toeguard, reduce the requirement to pit height, solve simultaneously due to
The problem of toeguard length not causes maintainer or occupant falls hoistway, improve maintenance and the safety of taking advantage of load it is ensured that
Enough safe distances, it is to avoid clash into pit and toeguard caused damage, easy for installation, reduce cost.
Embodiment 2：
On the basis of embodiment 1, described lower outside plate 2 is horizontally set with the first fixture 3, described screw rod 6 bottom passes through the
One fixture 3 and being fixed on the first fixture 3 by upper and lower nut；Second fixture 4, institute have been horizontally set with described upper inner panel 1
State screw rod 6 top to pass through the second fixture 4 and be movably arranged on the second fixture 4 by top nut.Because screw rod 6 is only second
It is provided with nut above fixture 4, so screw rod 6 can freely upwardly extend, plays guide effect, structure is simple, easy to operate.
First fixture 3, the second fixture 4 are respectively arranged on lower outside plate 2, the bottom of upper inner panel 1, adjust compression ruler within the specific limits
Very little, it is possible to achieve the compression completely of toeguard.
Cannot be up in order to avoid toeguard is stuck, described screw rod 6 is arranged with compression spring 7, compression spring carries
Leave the restoring force after pit for toeguard, there is reset response.
For the ease of adjusting the sedan-chair foot of cage bottom, described upper inner panel is vertically additionally provided with two connections being parallel to each other
Part, connector is vertical with the second fixture, offers chute in connector.
Embodiment 3：
On the basis of embodiment 1 or 2, described lower outside plate 2 bottom is provided with bending bolt retainer 11.Lower outside plate 2 bottom
It is fixedly connected with bending edges, bending edges are welded with bending bolt retainer 11, and bending bolt retainer 11 has two, is respectively arranged on
Lower outside plate 2 bottom two ends, during maintenance, elevator is parked in bottom, bolt of screwing on, and car is fixed on pit, and threaded bolt contacts ground makes
Toeguard forced compression, it is to avoid bending edges contact ground stress.
Embodiment 4：
During for the ease of judging that elevator leaves bottom, whether toeguard returns to normal, and under alarm, whether outside plate 2 takes off simultaneously
Fall, also include the safety switch 9 being arranged on toeguard side and being series in elevator safety loop, described safety switch 9 includes
It is individually fixed in inner panel 1, first contact switch of lower outside plate 2 the same side, the second contact switch.Under normality, safety open is closed
Close, the first contact switch, the second contact switch contact, safety return circuit turns on.When toeguard compresses, the first contact switch and
Separately, safety return circuit disconnects two contact switch, elevator stop motion.
Embodiment 5：
On the basis of embodiment 4, we additionally provide a kind of pit being applied to described telescopic toeguard, described bottom
It is provided with the limit switch in parallel with safety switch 9 in hole, also include using cooperatively and hitting located at cage bottom with limit switch
Bow.Hit bow contact limit switch, limit switch turns on, and elevator continues to run with, and limit switch is off before this.By
In toeguard when pit starts compression, safety switch 9 disconnects, thus safety return circuit disconnects, elevator stops, but, now electricity
Ladder should normally run, and is therefore provided with the limit switch in parallel with safety switch 9, with latter one section of reply before toeguard compression
In time, two switches are all in the conduction state, and in toeguard compression process, limit switch turns on, and safety switch disconnects, peace
Full loop remains unchanged and turns on, and elevator continues to run with.This limit switch needs to ensure closure conducting before toeguard compresses, and touches first
Point switch separates beginning before elevator stops with the second contact switch, and limit switch is in closure state, in addition limit switch
It is off when toeguard acts on other stops.The setting of limit switch not only can guarantee that the continuation after toeguard compression
Run it is ensured that the normal effect of other stop toeguards.Depending on the setting height(from bottom) of limit switch has practical situation.
The only illustration to the present invention exemplified as above, does not constitute the restriction to protection scope of the present invention, all
It is that same or analogous design belongs within protection scope of the present invention with the present invention.
Claims (7)
1. a kind of telescopic toeguard, described toeguard be arranged on cage bottom it is characterised in that：Including upper inner panel and lower outer
Plate, is connected by slide rail between described upper inner panel and lower outside plate, and car bottom girder is fixed at upper inner panel top, and lower outside plate is along slide rail
Move up and down；Also include screw rod, described screw rod bottom is fixed on lower outside plate, and screw rod top movable is on upper inner panel.
2. as claimed in claim 1 a kind of telescopic toeguard it is characterised in that：It has been horizontally set with first fixing on described lower outside plate
Part, described screw rod bottom is passed through the first fixture and is fixed on the first fixture by upper and lower nut；Horizontal on described upper inner panel
It is provided with the second fixture, described screw rod top is passed through the second fixture and is movably arranged on the second fixture by top nut.
3. as claimed in claim 2 a kind of telescopic toeguard it is characterised in that：It is arranged with compression spring on described screw rod.
4. as claimed in claim 2 a kind of telescopic toeguard it is characterised in that：Vertically it is additionally provided with two on described upper inner panel
The connector being parallel to each other, connector is vertical with the second fixture, offers chute in connector.
5. a kind of telescopic toeguard as described in claim 1 or 3 it is characterised in that：Described lower outside plate bottom is provided with bending
Bolt retainer.
6. as claimed in claim 5 a kind of telescopic toeguard it is characterised in that：Also include being arranged on toeguard side and string
It is coupled to the safety switch in elevator safety loop, described safety switch includes being individually fixed in inner panel, lower outside plate the same side
First contact switch, the second contact switch.
7. a kind of pit being applied to telescopic toeguard described in claim 6 it is characterised in that：It is provided with described pit and pacify
Full switch limit switch in parallel, is also included being used cooperatively with limit switch and hits bow located at cage bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888606.8U CN205932848U (en) | 2016-08-17 | 2016-08-17 | Telescopic toeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888606.8U CN205932848U (en) | 2016-08-17 | 2016-08-17 | Telescopic toeguard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205932848U true CN205932848U (en) | 2017-02-08 |
Family
ID=57918775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620888606.8U Expired - Fee Related CN205932848U (en) | 2016-08-17 | 2016-08-17 | Telescopic toeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205932848U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081804A (en) * | 2016-08-17 | 2016-11-09 | 通用电梯股份有限公司 | A kind of telescopic toeguard |
| CN107253656A (en) * | 2017-07-13 | 2017-10-17 | 黄业华 | A kind of existing building installs ladder and garage parking additional |
| CN107253652A (en) * | 2017-07-13 | 2017-10-17 | 黄业华 | A kind of existing building installs ladder additional |
| US11198594B2 (en) | 2018-08-06 | 2021-12-14 | Otis Elevator Company | Elevator car apron |
-
2016
- 2016-08-17 CN CN201620888606.8U patent/CN205932848U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081804A (en) * | 2016-08-17 | 2016-11-09 | 通用电梯股份有限公司 | A kind of telescopic toeguard |
| CN106081804B (en) * | 2016-08-17 | 2018-11-27 | 通用电梯股份有限公司 | A kind of telescopic toeguard |
| CN107253656A (en) * | 2017-07-13 | 2017-10-17 | 黄业华 | A kind of existing building installs ladder and garage parking additional |
| CN107253652A (en) * | 2017-07-13 | 2017-10-17 | 黄业华 | A kind of existing building installs ladder additional |
| US11198594B2 (en) | 2018-08-06 | 2021-12-14 | Otis Elevator Company | Elevator car apron |
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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 |
Granted publication date: 20170208 Termination date: 20200817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |