CN209721315U - The elevator door upper roller component of anti-dropout - Google Patents
The elevator door upper roller component of anti-dropout Download PDFInfo
- Publication number
- CN209721315U CN209721315U CN201920325019.1U CN201920325019U CN209721315U CN 209721315 U CN209721315 U CN 209721315U CN 201920325019 U CN201920325019 U CN 201920325019U CN 209721315 U CN209721315 U CN 209721315U
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- mounting plate
- roller
- elevator door
- upper roller
- roller groove
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Abstract
The elevator door upper roller component of anti-dropout, including the first mounting plate, the second mounting plate, upper roller, upper roller shaft, bottom roller, bottom roller axis and anti-separation component；First mounting plate and the second mounting plate are sandwiched between nuts and bolt head, and nut can not can not pass through the screw hole of the second mounting plate by the strip-shaped hole of the first mounting plate, bolt head；When upper roller moves in the first roller groove, bottom roller synchronization is moved in the second roller groove, and bolt shank synchronization is moved along strip-shaped hole.The utility model advantage is: upper roller primarily serves the effect of bearing elevator door weight, and bottom roller primarily serves the moving stability and impact resistance on enhancing elevator door top, the effect for preventing upper roller from derailing；If elevator door upper roller component derails under external force collision, anti-separation component can effectively limit the separation distance of the first mounting plate and the second mounting plate, and elevator door integrally falls off after avoiding roll wheel assembly derailing.
Description
Technical field
The utility model relates to special equipment field, the elevator door upper roller component of especially a kind of anti-dropout.
Background technique
With the rapid development of national economy, elevator is as the vehicles indispensable in people's lives and horizontal amount
One of representative of prosperous economy, quantity are also that the situation that explodes is presented, and the elevator quantity in China is already the first in the world at present.
But elevator is brought while convenience, and many safety accidents also have occurred, and causes certain personnel
Injures and deaths.In these accidents, because accident caused by elevator door is most, to find out its cause, in addition in part because the older mistake of elevator
It repairs, components aging causes elevator door surprisingly to fall off, and is more to kick elevator door because kicking, quarrel and fight noisily other than causing personnel to fall
Collision or body rest on elevator door etc. caused by uncivil boarding behavior.
National elevator manufacturer's standard and technical specification are too low to the requirement of mechanical strength of elevator door, because China's reference
It is the technical standard in Europe, fails to fully take into account China's national quality generally not high reality, electricity is caused to uncivil behavior
There is a situation where safety accidents seriously to underestimate for ladder.
Existing elevator door passes through idler wheel load-bearing in upper end, and passes through idler wheel scrolling realization elevator door in rolling groove
Opening and closing mobile guide is only realized by the cooperation of sliding block and sill and in lower end without bearing.Existing elevator door top is sliding
Dynamic modular construction is as shown in figure 3, include idler wheel 11, roller shaft 12, third mounting plate 13 and the 4th mounting plate 14, third mounting plate
13 are fixedly mounted on 101 side wall of lift car, which is provided with the roller groove 131 rolled for idler wheel 11, and idler wheel 11 passes through idler wheel
Axis 12 is movably arranged on 13 upper end of the 4th mounting plate, and is placed in the roller groove 131 of third mounting plate 13, the 4th mounting plate 13
Lower end and 100 upper end of elevator door are affixed；When idler wheel 11 rolls in the roller groove 131 of third mounting plate 13, synchronous drive
4th mounting plate 14 and elevator door 100 are mobile, and then realize the opening and closing of elevator door 100.
Shortcoming existing for existing elevator door is:
Elevator door is equivalent to and is suspended on the first mounting plate by idler wheel, work as elevator only in upper end by idler wheel load-bearing
When layer door is by hitting, idler wheel is easy to deviate from out of the first mounting plate roller groove, in turn results in elevator door and falls off, deposits
In security risk.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a kind of elevator door top rolling of anti-dropout
Wheel assembly, it solves existing elevator door when being hit, and upper roller is easily deviate from, and in turn results in what elevator door fell off
Problem.
The technical solution of the utility model is: the elevator door upper roller component of anti-dropout, including the first mounting plate,
Two mounting plates, upper roller, upper roller shaft, bottom roller, bottom roller axis and anti-separation component；
First mounting plate is respectively equipped with the first roller groove and the second roller groove from top to bottom, and in the first roller groove and second
Strip-shaped hole is equipped between roller groove；
Second mounting plate is equipped with screw hole corresponding with strip-shaped hole；
Upper roller is mounted on the second mounting plate top by upper roller shaft, and is located at the first roller groove of the first mounting plate
Interior, bottom roller is mounted on the second mounting plate lower part by bottom roller axis, and is located in the second roller groove of the first mounting plate；
Anti-separation component includes screw bolt and nut, and bolt shank is threaded in the screw hole of the second mounting plate, and is passed through
The strip-shaped hole of first mounting plate, nut thread are connected on bolt shank, and the first mounting plate and the second mounting plate are sandwiched in nut
Between bolt head, and nut can not can not pass through the second mounting plate by the strip-shaped hole of the first mounting plate, bolt head
Screw hole；
When upper roller moves in the first roller groove, bottom roller synchronization is moved in the second roller groove, and bolt shank is same
Step is moved along strip-shaped hole.
The further technical solution of the utility model is: the first roller groove is " n " shape slot, and the second roller groove is " u " shape slot,
And first roller groove and the second roller groove be design symmetrical above and below.
The utility model has the advantages that compared with prior art
1, mounted elevator door passes through the cooperation of upper roller and the first roller groove and bottom roller and the second roller groove
Cooperation, the common mobile guide for realizing elevator door upper end.Wherein, upper roller primarily serves the work of bearing elevator door weight
With the work that bottom roller primarily serves the moving stability and impact resistance on enhancing elevator door top, and prevents upper roller from derailing
With.
If 2, elevator door upper roller component derails under external force collision, anti-separation component can effectively limit the first installation
The separation distance of plate and the second mounting plate to ensure that elevator door whole due to top falls off will not fall off, and then avoids
Generation personnel fall or shear accident.
If 3, elevator door lower slide component derails under external force collision, anti-separation component can effectively limit elevator door
Opening angle after the derailing of lower part, avoiding the formation of excessive aperture causes personnel to fall or occur shearing accident.
The utility model is further described below in conjunction with figure and embodiment.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model；
Fig. 3 is existing elevator door upper roller component structure diagram.
Specific embodiment
Embodiment 1:
As shown in Figs. 1-2, the elevator door upper roller component of anti-dropout, including the first mounting plate 2, the second mounting plate 3,
Upper roller 4, upper roller shaft 5, bottom roller 6, bottom roller axis 7 and anti-separation component.
First mounting plate 2 is fixedly mounted on the side wall of lift car 101.First mounting plate 2 is respectively equipped with from top to bottom
First roller groove 21 and the second roller groove 22, and strip-shaped hole 23 is equipped between the first roller groove 21 and the second roller groove 22.
Second mounting plate 3 is equipped with screw hole 31 corresponding with strip-shaped hole 23.
Upper roller 4 is mounted on 3 top of the second mounting plate by upper roller shaft 5, and is located at the first idler wheel of the first mounting plate 2
In slot 21, bottom roller 6 is mounted on 3 lower part of the second mounting plate by bottom roller axis 7, and is located at the second idler wheel of the first mounting plate 2
In slot 22.
Anti-separation component includes bolt 81 and nut 82, and 81 bar portion 811 of bolt is threaded in the screw hole of the second mounting plate 3
In 31, and the strip-shaped hole 23 of the first mounting plate 2 is passed through, nut 82 is threaded in 81 bar portion 811 of bolt, the first mounting plate 2
And second mounting plate 3 be sandwiched between 81 head 812 of nut 82 and bolt, and nut 82 can not pass through the item of the first mounting plate 2
Shape hole 23,81 head 812 of bolt can not pass through the screw hole 31 of the second mounting plate 3.
When upper roller 4 moves in the first roller groove 21, the synchronization of bottom roller 6 is moved in the second roller groove 22, bolt
The synchronization of 81 bar portions 811 is moved along strip-shaped hole 23.
It is preferred that the first roller groove 21 is " n " shape slot, the second roller groove 22 is " u " shape slot, and the first roller groove 21 and second
Roller groove 22 is design symmetrical above and below.
Sketch the application of the utility model: mounted elevator door 100 is matched by upper roller 4 and the first roller groove 21
Conjunction and the cooperation of bottom roller 6 and the second roller groove 22, the common mobile guide for realizing 100 upper end of elevator door.Wherein, upper rolling
Wheel 4 primarily serves the effect of bearing elevator door weight, and the movement that bottom roller 6 primarily serves enhancing 100 top of elevator door is steady
Qualitative and impact resistance, and the effect for preventing upper roller 4 from derailing.
If elevator door upper roller component derails under external force collision, anti-separation component can effectively limit the first mounting plate
2 and second the separation distance of mounting plate 3 (maximum separation of the first mounting plate and the second mounting plate can not be more than bolt head
The distance between nut), to ensure that elevator door 100 whole due to top falls off will not fall off, and then avoid occurring
Personnel fall or shear accident.
If elevator door lower slide component (i.e. sliding block match with sill structure) derailing under external force collision is (i.e. sliding
Block is detached from sill), anti-separation component can effectively limit the opening angle after the derailing of 100 lower part of elevator door, avoid the formation of excessive
Aperture cause personnel to fall or occur shearing accident.
Claims (2)
1. the elevator door upper roller component of anti-dropout, it is characterized in that: include the first mounting plate, the second mounting plate, upper roller,
Upper roller shaft, bottom roller, bottom roller axis and anti-separation component；
First mounting plate is respectively equipped with the first roller groove and the second roller groove from top to bottom, and in the first roller groove and the second idler wheel
Strip-shaped hole is equipped between slot；
Second mounting plate is equipped with screw hole corresponding with strip-shaped hole；
Upper roller is mounted on the second mounting plate top by upper roller shaft, and is located in the first roller groove of the first mounting plate, under
Idler wheel is mounted on the second mounting plate lower part by bottom roller axis, and is located in the second roller groove of the first mounting plate；
Anti-separation component includes screw bolt and nut, and bolt shank is threaded in the screw hole of the second mounting plate, and passes through first
The strip-shaped hole of mounting plate, nut thread are connected on bolt shank, and the first mounting plate and the second mounting plate are sandwiched in nut and spiral shell
Between bolt head, and nut can not can not pass through the screw hole of the second mounting plate by the strip-shaped hole of the first mounting plate, bolt head；
When upper roller moves in the first roller groove, bottom roller synchronization is moved in the second roller groove, the synchronous edge of bolt shank
Strip-shaped hole is mobile.
2. the elevator door upper roller component of anti-dropout as described in claim 1, it is characterized in that: the first roller groove is " n "
Shape slot, the second roller groove is " u " shape slot, and the first roller groove and the second roller groove are design symmetrical above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920325019.1U CN209721315U (en) | 2019-03-14 | 2019-03-14 | The elevator door upper roller component of anti-dropout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920325019.1U CN209721315U (en) | 2019-03-14 | 2019-03-14 | The elevator door upper roller component of anti-dropout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209721315U true CN209721315U (en) | 2019-12-03 |
Family
ID=68686571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920325019.1U Active CN209721315U (en) | 2019-03-14 | 2019-03-14 | The elevator door upper roller component of anti-dropout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209721315U (en) |
-
2019
- 2019-03-14 CN CN201920325019.1U patent/CN209721315U/en active Active
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