CN107265269A - A kind of protective door having a safety feature - Google Patents
A kind of protective door having a safety feature Download PDFInfo
- Publication number
- CN107265269A CN107265269A CN201710464281.XA CN201710464281A CN107265269A CN 107265269 A CN107265269 A CN 107265269A CN 201710464281 A CN201710464281 A CN 201710464281A CN 107265269 A CN107265269 A CN 107265269A
- Authority
- CN
- China
- Prior art keywords
- latch
- door leaf
- door
- connecting rod
- pin
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/303—Details of door panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/308—Details of seals and joints
Landscapes
- Wing Frames And Configurations (AREA)
Abstract
The invention discloses a kind of protective door having a safety feature, including doorframe, door leaf, the doorframe is articulated and connected with door leaf by hinged seat, also include the locking piece for being used to realize the locking of door leaf position, the locking piece includes the latch for being arranged on door leaf top, position pin-and-hole corresponding with latch is provided with the top of the doorframe, the upper end of the latch is locked by inserting pin-and-hole realization to the position of door leaf；Also include the locking member for being used to cause latch to remain inserted into pin-and-hole state；Also include the drive mechanism for being used to drive latch to move, the drive mechanism includes the lever being connected with latch, and the fulcrum of the lever is located on door leaf.The protective door barrier propterty is good, and when the personnel of taking operate to it, the stability for taking personnel's standing more preferably, can effectively ensure that protective door can realize barrier propterty.
Description
Technical field
The present invention relates to elevator protective door locking device arts, more particularly to a kind of protection having a safety feature
Door.
Background technology
High-building construction elevator is essential important vertical transportation machinery, and its floor safety protective door is not belonging to apply
One of accessory of work elevator, in actual use, installation is voluntarily processed by unit in charge of construction.
Found according to past construction experiences, safety protective door uses latch locking, according to incompletely statistics, this tradition mostly
Protection door for construction elevator often occur in inspection latch do not plug, safety protective door be not turned off and latch damage it is not timely
The situation of reparation.And this phenomenon is the common fault of traditional elevator protective door, it is difficult to effect a radical cure.
In order to thoroughly prevent this phenomenon, many units in charge of construction are improved to traditional defense door, change operation principle, example
Electronics door closer such as can be installed on protective door to substitute traditional latch now with many large scaled architecture enterprise units, but it is electric
The need of work of sub- door closer provides power supply, therefore can also form potential safety hazard during the power-off of scene, simultaneously as construction elevator
Installation site causes the working environment residing for its interior electronic product poor, such as sunshine, drench with rain, fog can be greatly shortened in it
Portion's circuit is capable of the time of normal work, ultimately forms potential safety hazard and is difficult to discover.
The content of the invention
There are problems for the locking device of safety protective door on construction elevator in the prior art set forth above, no
Beneficial to construction elevator security the problem of, the invention provides a kind of protective door having a safety feature, the protective door protective
Can be good, and when the personnel of taking operate to it, the stability for taking personnel's standing more preferably, can effectively ensure that protective door can be realized
Barrier propterty.
A kind of protective door having a safety feature that the present invention is provided solves problem by following technical essential：A kind of safety
The good protective door of performance, including doorframe, door leaf, the doorframe are articulated and connected with door leaf by hinged seat, in addition to for realizing
The locking piece of door leaf position locking, the locking piece includes being provided with the top of the latch for being arranged on door leaf top, the doorframe
Position pin-and-hole corresponding with latch, the upper end of the latch is locked by inserting pin-and-hole realization to the position of door leaf；
Also include the locking member for being used to cause latch to remain inserted into pin-and-hole state；
Also include the drive mechanism for being used to drive latch to move, the drive mechanism includes the lever being connected with latch, and
The fulcrum of the lever is located on door leaf.
Specifically, in this protective door, after latch inserts the pin-and-hole, realizing locking of the door leaf on doorframe, working as latch
After being removed with the annexation of pin-and-hole, door leaf can be rotated with the jointed shaft on hinged seat, realize the unlatching of door leaf.Due to this programme
Described in latch move upwards realize with the cooperation of pin-and-hole, therefore the locking member is set, with avoid under gravity latch by pin
Deviate from hole.
In this programme, because latch is arranged on the top of door leaf, therefore the carrying object of construction elevator is difficult to have influence on latch, this
Sample, may be such that latch can long term shape retention stability and on door leaf installation site stability, therefore may be such that locking piece
The lock function to protective door can be played for a long time；Meanwhile, if take personnel realizes that latch is constrained door leaf in high-altitude application latch
Removal, due to being provided with lever in this programme, as those skilled in the art, now the personnel of taking need on lever to prop up
Point is line of demarcation, applies upward thrust in one end away from latch, and now the pressure equivalent to the personnel of taking and elevator bottom should
Power becomes big, may be such that the personnel of taking more stable can be stood in elevator in such cases, so can reach and avoid taking
Personnel slip the dangerous situation fallen in opened door leaf.This protective door structure is simple simultaneously, and processing and manufacturing is easy, installs
It is convenient, it is simple to operate.
Further technical scheme is：
As the specific implementation of drive mechanism, the drive mechanism includes connecting rod, pull bar, the pull bar and latch point
It is not articulated between the different ends of connecting rod, the two ends of the connecting rod and is additionally provided with for realizing that connecting rod is connected with door leaf upper articulation
Articulated section.In this programme, the connecting rod is the lever, and the articulated section is the stop of lever.Above articulated section can
By welding a jointed shaft vertical with door leaf surface on door leaf, it is provided for coordinating with jointed shaft on door leaf on connecting rod
Hole, while being provided for the retaining member for preventing connecting rod from deviating from jointed shaft, above anticreep on the free end of jointed shaft
The mode that part can weld block by the way of bending jointed shaft, on jointed shaft is realized.
Operationally, due to lever, the position of its two ends in the horizontal direction can become this locking piece in rotation process
Change, so, such as to enable latch to stablize and insert corresponding pin-and-hole, then need to open up larger compared to latch by pin-and-hole,
So, it is unfavorable for door leaf and the doorframe compactedness that both are connected under lock condition, to avoid above-mentioned situation from occurring, in addition to peace
Loaded on the guide pad on door leaf, guide groove is provided with the guide pad, the bolt portion is located in guide groove, and latch can
Reciprocatingly slided along the length direction of guide groove；
The latch is connected by the waist-shaped hole being arranged on connecting rod with rod hinge connection, and the length direction of the waist-shaped hole is put down
Row is in the length direction of connecting rod, and during connecting rod is rotated around articulated section, the tie point of latch and connecting rod can be along waist-shaped hole
Length direction slide.In this programme, during connecting rod is rotated around articulated section, the connection end of latch and connecting rod is in corresponding waist
Slided in type hole, so, may be such that latch during rising or falling, the position of latch in the horizontal direction does not become
Change, so as to set size to be slightly larger than the pin-and-hole of latch upper end even in the top of doorframe, also can guarantee that latch can be inserted smoothly
Pin-and-hole, can ensure that itself and connecting for doorframe have good compactedness to door leaf in the locked state in the case of this.
As one kind when closing door leaf, latch can be directed in pin-and-hole automatically, while after latch insertion pin-and-hole,
Locking member can avoid the technical scheme that latch is deviate from pin-and-hole automatically, the locking member be with drive mechanism and/or
The connected elastic component of latch, the upper end of the latch is additionally provided with an inclined-plane.In this programme, the inclined-plane is that will be inserted on latch
Pin imports the approaching face of pin-and-hole, as those skilled in the art, with the lower clan of ramp in latch close to the side of doorframe
On side, the upper clan on inclined-plane is on the upper surface of latch, when door leaf is closed, the bottom elder generation on inclined-plane and door frame contact, now,
The contact force of latch and doorframe forces elastic component to be elongated, and latch is moved down, and the side of doorframe is crossed in the upper end of last latch, and
After move further into pin-and-hole in just to relation, now, under the elastic-restoring force of elastic component, it is real that latch moves up insertion pin-and-hole
Now to the locking of door leaf, meanwhile, the elastic force that now elastic component can be provided is used to avoid latch from falling after rise.
As a kind of elastic component implementation being easy to implement, the elastic component is the helical spring being connected on lever.
To enable door leaf its automatic blocking after unlatching, in addition to for being connected between doorframe and door leaf close door
Device.
To cause this protective door that there is door leaf open and-shut mode prompt facility, in addition to for detecting doorframe position relative with door leaf
The detection means put, in addition to the warning device being connected with the detection means.Above detection means can use position sensor,
The position sensor is used to detecting the relative position of door leaf and doorframe, its output signal as warning device control signal,
Warning device is preferred to use audible-visual annunciator.
As it is a kind of it is lightweight, the technical scheme that the object that is placed in elevator falls, the door leaf bag can be prevented effectively from
Rectangular fan frame is included, by the bottom of fan frame to top, plate-like shrouding is fixed with fan frame respectively, in netted net
It is cavity between plate, and the upper edge and the top of fan frame of web plate, in addition to the fulcrum rod that one end is fixed in fan frame, the lever
Fulcrum be located at fulcrum rod on.
Above using connecting rod as in the scheme of lever, due to when latch constrains removal to door leaf in this protective door, needing
Will be to applying power on pull bar, and pull bar is set to be connected with rod hinge connection, substantial purpose is to avoid pull bar from turning with connecting rod
It is dynamic and to take power that personnel provide for pull bar not in vertical direction, and the stability that personnel stand is taken in influence, but by
Be also factor to affect that personnel's force direction is taken in influence in itself in being articulated and connected for pull bar and connecting rod, to overcome the influence because
Number, it is necessary to pay special attention to when taking personnel for pull bar applying power.For avoid because take personnel in the case of carelessness to
Pull bar applies power not in the horizontal direction and influences to take the stability of personnel's standing, is preferably arranged to connecting rod and is hinged company with pull bar
Connect used jointed shaft to be also located in the bar hole of connecting rod corresponding end, while setting guider for pull bar, the above is oriented to
Device is arranged on door leaf, and above guider only allows pull bar to be moved along guider as vertical lifting.
The invention has the advantages that：
In this programme, because latch is arranged on the top of door leaf, therefore the carrying object of construction elevator is difficult to have influence on latch, this
Sample, may be such that latch can long term shape retention stability and on door leaf installation site stability, therefore may be such that locking piece
The lock function to protective door can be played for a long time；Meanwhile, if take personnel realizes that latch is constrained door leaf in high-altitude application latch
Removal, due to being provided with lever in this programme, as those skilled in the art, now the personnel of taking need on lever to prop up
Point is line of demarcation, applies upward thrust in one end away from latch, and now the pressure equivalent to the personnel of taking and elevator bottom should
Power becomes big, may be such that the personnel of taking more stable can be stood in elevator in such cases, so can reach and avoid taking
Personnel slip the dangerous situation fallen in opened door leaf.This protective door structure is simple simultaneously, and processing and manufacturing is easy, installs
It is convenient, it is simple to operate.
Brief description of the drawings
Fig. 1 is the tool that a kind of protective door having a safety feature one of the present invention is arranged on protection door for construction elevator
The structural representation of body embodiment.
Reference in figure is followed successively by：1st, doorframe, 2, hinged seat, 3, door leaf, 4, pull bar, 5, connecting rod, 51, articulated section,
6th, latch, 7, guide pad, 8, door closer, 9, elastic component, 10, fulcrum rod.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As shown in figure 1, a kind of protective door having a safety feature, including doorframe 1, door leaf 3, the doorframe 1 passes through with door leaf 3
Hinged seat 2 is articulated and connected, in addition to for realizing the locking piece of the position of door leaf 3 locking, the locking piece includes being arranged on door leaf 3
The latch 6 on top, the top of the doorframe 1 is provided with position and the corresponding pin-and-hole of latch 6, and the upper end of the latch 6 is by inserting
Enter pin-and-hole realization to lock the position of door leaf 3；
Also include the locking member for being used to cause latch 6 to remain inserted into pin-and-hole state；
Also include the drive mechanism for being used to drive latch 6 to move, the drive mechanism includes the lever being connected with latch 6,
And the fulcrum of the lever is located on door leaf 3.
Specifically, in this protective door, after latch 6 inserts the pin-and-hole, locking of the door leaf 3 on doorframe 1 is realized, when slotting
After the annexation of pin 6 and pin-and-hole is removed, door leaf 3 can be rotated with the jointed shaft on articulated section 51, realize the unlatching of door leaf 3.By
Motion realization and the cooperation of pin-and-hole upwards of the latch 6 described in this programme, therefore the locking member is set, to avoid under gravity
Latch 6 is deviate from pin-and-hole.
In this programme, because latch 6 is arranged on the top of door leaf 3, therefore the carrying object of construction elevator is difficult to have influence on latch
6, so, may be such that latch 6 can long term shape retention stability and on door leaf 3 installation site stability, therefore may be such that
Locking piece can play the lock function to protective door for a long time；Meanwhile, if take personnel realizes 6 pairs of latch in high-altitude application latch 6
The removal that door leaf 3 is constrained, due to being provided with lever in this programme, as those skilled in the art, now the personnel of taking need to
Using fulcrum as line of demarcation on lever, apply upward thrust in one end away from latch 6, now equivalent to the personnel of taking and elevator
The compression of bottom becomes big, may be such that the personnel of taking more stable can be stood in elevator in such cases, so reachable
To the dangerous situation for avoiding the personnel of taking from slipping in opened door leaf 3 falling.This protective door structure is simple simultaneously, processing system
Make easily, it is easy for installation, it is simple to operate.
Embodiment 2：
As shown in figure 1, the present embodiment is further qualified on the basis of embodiment 1：It is used as the specific reality of drive mechanism
Existing mode, the drive mechanism includes connecting rod 55, pull bar 4, and the pull bar 4 and latch 6 are hingedly connected to the different ends of connecting rod 55,
It is additionally provided between the two ends of the connecting rod 55 for realizing the articulated section 51 that connecting rod 55 is connected with the upper articulation of door leaf 3.We
In case, the connecting rod 55 is the lever, and the articulated section 51 is the stop of lever.Above articulated section 51 can be by door
A jointed shaft vertical with the surface of door leaf 3 is welded on fan 3, is provided for what is coordinated with jointed shaft on door leaf 3 on connecting rod 55
Hole, while being provided for preventing the retaining member that connecting rod 55 is deviate from jointed shaft, above anticreep on the free end of jointed shaft
The mode that part can weld block by the way of bending jointed shaft, on jointed shaft is realized.
Operationally, due to lever, the position of its two ends in the horizontal direction can become this locking piece in rotation process
Change, so, such as to enable latch 6 stablize insert corresponding pin-and-hole, then need by pin-and-hole open up compared to latch 6 compared with
Greatly, so, it is unfavorable for door leaf 3 and the compactedness that both are connected under lock condition of doorframe 1, to avoid above-mentioned situation from occurring, also
Including the guide pad 7 being installed on door leaf 3, guide groove is provided with the guide pad 7, the part of latch 6 is located at guide groove
In, and latch 6 can reciprocatingly slide along the length direction of guide groove；
The latch 6 is articulated and connected by the waist-shaped hole being arranged on connecting rod 55 with connecting rod 55, the length of the waist-shaped hole
The length direction of connecting rod 55 is oriented parallel to, during connecting rod 55 is rotated around articulated section 51, the connection of latch 6 and connecting rod 55
Point can be slided along the length direction of waist-shaped hole.In this programme, connecting rod 55 around articulated section 51 rotate during, latch 6 with
The connection end of connecting rod 55 is slided in correspondence waist-shaped hole, so, may be such that latch 6 during rising or falling, latch 6 exists
The position of horizontal direction does not change, so that size is set slightly larger than the pin-and-hole of the upper end of latch 6 even in the top of doorframe 1,
Also it can guarantee that latch 6 can smoothly insert pin-and-hole, its connection with doorframe 1 in the locked state of door leaf 3 can be ensured in the case of this
With good compactedness.
As one kind when closing door leaf 3, latch 6 can be directed in pin-and-hole automatically, while inserting pin-and-hole in latch 6
Afterwards, locking member can avoid the technical scheme that latch 6 is deviate from pin-and-hole automatically, and the locking member is and drive mechanism
And/or the connected elastic component 9 of latch 6, the upper end of the latch 6 is additionally provided with an inclined-plane.In this programme, the inclined-plane is slotting
Latch 6 is imported to the approaching face of pin-and-hole, as those skilled in the art, with the lower clan of ramp in latch 6 close to door on pin 6
On the side of the side of frame 1, the upper clan on inclined-plane is on the upper surface of latch 6, when door leaf 3 is closed, the bottom on inclined-plane first with
Doorframe 1 is contacted, now, and the contact force of latch 6 and doorframe 1 forces elastic component 9 to be elongated, and latch 6 is moved down, last latch 6 it is upper
The side of doorframe 1 is crossed in end, and it is in just to relation, now, in the elastic recovery of elastic component 9 then to move further into pin-and-hole
Under power, latch 6 moves up locking of the insertion pin-and-hole realization to door leaf 3, meanwhile, the elastic force that now elastic component 9 can be provided is used to keep away
Exempt from latch 6 to fall after rise.
As a kind of implementation of elastic component 9 being easy to implement, the elastic component 9 is the spiral bullet being connected on lever
Spring.
To enable its automatic blocking after unlatching of door leaf 3, in addition to for being connected between doorframe 1 and door leaf 3
Door closer 8.
Embodiment 3：
The present embodiment this case is made on the basis of any one technical scheme that any of the above one embodiment is provided into
One step is limited, to cause this protective door to have the open and-shut mode prompt facility of door leaf 3, in addition to for detecting doorframe 1 and the phase of door leaf 3
To the detection means of position, in addition to the warning device being connected with the detection means.Above detection means can be passed using position
Sensor, the position sensor is used for the relative position for detecting door leaf 3 and doorframe 1, its output signal as warning device control
Signal processed, warning device is preferred to use audible-visual annunciator.
As it is a kind of it is lightweight, the technical scheme that the object that is placed in elevator falls can be prevented effectively from, the door leaf 3 is wrapped
Rectangular fan frame is included, by the bottom of fan frame to top, plate-like shrouding is fixed with fan frame respectively, in netted net
It is cavity between plate, and the upper edge and the top of fan frame of web plate, in addition to the fulcrum rod 10 that one end is fixed in fan frame, the thick stick
The fulcrum of bar is located in fulcrum rod 10.
Above using connecting rod 55 as in the scheme of lever, because latch 6 constrains removal to door leaf 3 in this protective door
When, it is necessary to applying power on pull bar 4, and pull bar 4 is set to be articulated and connected with connecting rod 55, substantial purpose is to avoid pull bar
4 rotate with connecting rod 55 and so that take power that personnel are provided for pull bar 4 not in vertical direction, and influence to take the steady of personnel's standing
It is qualitative, but be due to pull bar 4 and being articulated and connected for connecting rod 55 is also factor to affect that personnel's force direction is taken in influence in itself,
Overcome the factor to affect, it is necessary to pay special attention to when taking personnel for 4 applying power of pull bar.To avoid existing because taking personnel
Apply power not in the horizontal direction to pull bar 4 in the case of carelessness and influence to take the stability of personnel's standing, be preferably arranged to
Connecting rod 55 and pull bar 4 the used jointed shaft that is articulated and connected also are located in the bar hole of the corresponding end of connecting rod 55, while being pull bar 4
Guider is set, above guider is arranged on door leaf 3, and above guider only allows pull bar 4 to make along guider
Vertical lifting is moved.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.
Claims (8)
1. a kind of protective door having a safety feature, including doorframe (1), door leaf (3), the doorframe (1) is with door leaf (3) by being hinged
Seat (2) is articulated and connected, in addition to for realizing the locking piece of door leaf (3) position locking, it is characterised in that the locking piece includes
It is arranged at the top of the latch (6) on door leaf (3) top, the doorframe (1) and is provided with position pin-and-hole corresponding with latch (6), institute
The upper end for stating latch (6) is locked by inserting pin-and-hole realization to the position of door leaf (3)；
Also include the locking member for being used to cause latch (6) to remain inserted into pin-and-hole state；
Also include the drive mechanism for being used to drive latch (6) to move, the drive mechanism includes the lever being connected with latch (6),
And the fulcrum of the lever is located on door leaf (3).
2. a kind of protective door having a safety feature according to claim 1, it is characterised in that the drive mechanism includes connecting
Bar (5), pull bar (4), the pull bar (4) and latch (6) are hingedly connected to the different ends of connecting rod (5), the two ends of the connecting rod (5)
Between be additionally provided with for realizing the articulated section (51) that connecting rod (5) is connected with door leaf (3) upper articulation.
3. a kind of protective door having a safety feature according to claim 2, it is characterised in that also including being installed on door leaf
(3) guide groove is provided with the guide pad (7) on, the guide pad (7), the latch (6) is partly located in guide groove, and inserts
Pin (6) can reciprocatingly slide along the length direction of guide groove；
The latch (6) is articulated and connected by the waist-shaped hole being arranged on connecting rod (5) with connecting rod (5), the length of the waist-shaped hole
The length direction of connecting rod (5) is oriented parallel to, during connecting rod (5) is rotated around articulated section (51), latch (6) and connecting rod
(5) tie point can be slided along the length direction of waist-shaped hole.
4. a kind of protective door having a safety feature according to claim 1, it is characterised in that the locking member is and drive
Motivation structure and/or the connected elastic component (9) of latch (6), the upper end of the latch (6) is additionally provided with an inclined-plane.
5. a kind of protective door having a safety feature according to claim 4, it is characterised in that the elastic component (9) is company
It is connected on the helical spring on lever.
6. a kind of protective door having a safety feature according to claim 1, it is characterised in that also including for being connected to door
Door closer between frame (1) and door leaf (3).
7. a kind of protective door having a safety feature as claimed in any of claims 1 to 6, it is characterised in that also wrap
Include for detecting doorframe (1) and the detection means of door leaf (3) relative position, in addition to the alarm dress being connected with the detection means
Put.
8. a kind of protective door having a safety feature as claimed in any of claims 1 to 6, it is characterised in that described
Door leaf (3) includes rectangular fan frame, by the bottom of fan frame to top, is fixed with plate-like shrouding in fan frame respectively, is in
It is cavity between netted web plate, and the upper edge and the top of fan frame of web plate, in addition to the fulcrum rod that one end is fixed in fan frame
(10), the fulcrum of the lever is located in fulcrum rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464281.XA CN107265269A (en) | 2017-06-19 | 2017-06-19 | A kind of protective door having a safety feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464281.XA CN107265269A (en) | 2017-06-19 | 2017-06-19 | A kind of protective door having a safety feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107265269A true CN107265269A (en) | 2017-10-20 |
Family
ID=60068597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710464281.XA Pending CN107265269A (en) | 2017-06-19 | 2017-06-19 | A kind of protective door having a safety feature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107265269A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986144A (en) * | 2017-10-23 | 2018-05-04 | 芜湖市长江起重设备制造有限公司 | A kind of vertical hoisting equipment safety layer door |
| CN108439161A (en) * | 2018-06-15 | 2018-08-24 | 中国五冶集团有限公司 | Construction of super highrise building elevator floor channel zero-power self-closing protective door |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202810416U (en) * | 2012-08-24 | 2013-03-20 | 北京双杰电气股份有限公司 | Cable and cabin door interlocking device |
| CN204310659U (en) * | 2014-11-18 | 2015-05-06 | 江苏亚邦染料股份有限公司 | The interlocking stop layers fender guard of a kind of elevator and protective door |
| CN205025243U (en) * | 2015-06-26 | 2016-02-10 | 永康市伊嘉电器制造有限公司 | Stealthy automatic bolt |
| CN205531836U (en) * | 2016-01-28 | 2016-08-31 | 潍坊昌大建设集团有限公司 | Construction elevator floor door closer for guard gate |
-
2017
- 2017-06-19 CN CN201710464281.XA patent/CN107265269A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202810416U (en) * | 2012-08-24 | 2013-03-20 | 北京双杰电气股份有限公司 | Cable and cabin door interlocking device |
| CN204310659U (en) * | 2014-11-18 | 2015-05-06 | 江苏亚邦染料股份有限公司 | The interlocking stop layers fender guard of a kind of elevator and protective door |
| CN205025243U (en) * | 2015-06-26 | 2016-02-10 | 永康市伊嘉电器制造有限公司 | Stealthy automatic bolt |
| CN205531836U (en) * | 2016-01-28 | 2016-08-31 | 潍坊昌大建设集团有限公司 | Construction elevator floor door closer for guard gate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986144A (en) * | 2017-10-23 | 2018-05-04 | 芜湖市长江起重设备制造有限公司 | A kind of vertical hoisting equipment safety layer door |
| CN108439161A (en) * | 2018-06-15 | 2018-08-24 | 中国五冶集团有限公司 | Construction of super highrise building elevator floor channel zero-power self-closing protective door |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |