CN112723081A - Elevator mouth guard flap convenient to assemble - Google Patents

Elevator mouth guard flap convenient to assemble Download PDF

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Publication number
CN112723081A
CN112723081A CN202011547668.XA CN202011547668A CN112723081A CN 112723081 A CN112723081 A CN 112723081A CN 202011547668 A CN202011547668 A CN 202011547668A CN 112723081 A CN112723081 A CN 112723081A
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CN
China
Prior art keywords
groove
protection plate
assemble
cylinder
convenient
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Granted
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CN202011547668.XA
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Chinese (zh)
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CN112723081B (en
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刘建宏
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Individual
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043Devices enhancing safety during maintenance
    • B66B5/005Safety of maintenance personnel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/021Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators

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  • Cage And Drive Apparatuses For Elevators (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

The invention discloses an elevator entrance protective baffle convenient to assemble, which comprises a base, an upper protective plate and a lower protective plate, wherein a first connecting mechanism is arranged in a rotating groove, the first connecting mechanism comprises a plurality of rotating shafts, a first connecting cylinder, a first buffer spring, a first sliding block, a first connecting rod and a first connecting sheet, a second connecting mechanism matched with the first connecting mechanism is arranged on the left sides of the upper protective plate and the lower protective plate, the second connecting mechanism comprises a second connecting cylinder, a second buffer spring and a second connecting sheet, a storage battery is arranged in the base, a controller is arranged on one side of the lower protective plate, close to an observation window, and an auxiliary supporting mechanism is arranged at the bottom of the inner side of the lower protective plate. According to the invention, the first connecting piece is inserted into the second connecting cylinder on the adjacent side, the second connecting piece is tightly sucked on the second connecting piece under the action of the permanent magnet in the first connecting piece, and then the fixing pin matched with the fixing hole is inserted into the fixing hole, so that the connection of the two adjacent baffles is completed, and the assembly is convenient and rapid.

Description

Elevator mouth guard flap convenient to assemble
Technical Field
The invention relates to the technical field of elevator maintenance, in particular to an elevator opening protective baffle convenient to assemble.
Background
The elevator comprises a vertical elevator and an escalator, the vertical elevator is a permanent transportation device which serves a plurality of specific floors in a building and has a car running on at least two rows of rigid rails which are vertical to the horizontal plane or have an inclination angle of less than 15 degrees with the vertical; so-called escalators, i.e. step elevators, have a tread mounted on a track for continuous travel of a stationary lifting device serving a given floor. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode.
With the social development, various high-rise buildings are in endless emergence for residence or office, and elevators are commonly used in various buildings to bring convenience for the passage of people; in order to ensure the safety of people taking the elevator, the elevator needs to be maintained at regular time, and during maintenance, the elevator needs to be sealed and shielded so as to avoid accidents caused by the fact that irrelevant people fall into the elevator.
Traditional guard flap, connected mode is complicated, selects bolted connection mostly, and the user need continuous to twist the bolt, wastes time and energy, seriously influences the speed of assembling, and simultaneously, the function singleness, warning effect is poor.
Disclosure of Invention
The invention aims to provide an elevator opening protective baffle convenient to assemble so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an elevator opening protective baffle convenient to assemble comprises a base, an upper protective plate and a lower protective plate, wherein the lower protective plate is fixedly connected with the base, the right sides of the upper protective plate and the lower protective plate are respectively provided with a rotating groove, a first connecting mechanism is arranged in the rotating groove, the left sides of the upper protective plate and the lower protective plate are provided with a second connecting mechanism matched with the first connecting mechanism, one side, close to the lower side end face of the upper protective plate, in the upper protective plate is provided with a plurality of connecting grooves, one side of the connecting groove in the upper protective plate is provided with a guide groove, the upper end face of the lower protective plate is provided with a connecting screw rod and a connecting column respectively matched with the connecting grooves and the guide groove, the connecting groove on the upper protective plate is provided with an adjusting groove, an adjusting knob is arranged in the adjusting groove, the upper end and the lower end of the adjusting knob are provided with stabilizing blocks used for, the adjusting knob is in threaded connection with the connecting screw, the lower protection plate is provided with an observation window, the base is internally provided with a storage battery, one side of the lower protection plate, which is close to the observation window, is provided with a controller, and the bottom of the inner side of the lower protection plate is provided with an auxiliary supporting mechanism.
Preferably, the first connecting mechanism comprises a plurality of rotating shafts, a first connecting cylinder, a first buffer spring, a first sliding block, a first connecting rod and a first connecting sheet, the rotating shafts are respectively connected with the upper surface and the lower surface of the first connecting cylinder, one end, far away from the first connecting cylinder, of each rotating shaft is rotatably connected with the corresponding rotating groove, a first sliding groove is formed in the first connecting cylinder, the first sliding block is slidably connected with the first sliding groove, two ends of the first buffer spring are respectively connected with the inner wall of the first connecting cylinder and the first sliding block, and the first connecting sheet is connected with one side end face of the first sliding block.
Preferably, a permanent magnet is arranged inside the first connecting piece.
Preferably, the second connecting mechanism comprises a second connecting cylinder, a second buffer spring and a second connecting sheet, and two ends of the second buffer spring are respectively connected with the inner wall of the second connecting cylinder and the second connecting sheet.
Preferably, the second connecting cylinder and the first connecting rod are respectively provided with a fixing hole matched with each other.
Preferably, a warning light is arranged on the outer side of the upper protection plate, and a handle is arranged on the inner side of the upper protection plate.
Preferably, supplementary supporting mechanism is including supporting a section of thick bamboo, slide bar, a plurality of support column, pull rod and pressing from both sides the groove, it transversely sets up in backplate bottom down to support a section of thick bamboo, it is both sides open structure to support a section of thick bamboo, the slide bar slides and sets up inside supporting a section of thick bamboo, it has seted up the rotation groove to support a section of thick bamboo middle part, the pull rod slides and sets up at rotation inslot and its bottom and slide bar fixed connection, the support column is fixed to be set up at the slide bar both ends, press from both sides the groove setting in a support section of thick bamboo lower part.
Preferably, the top end of the upper protection plate is provided with a solar panel, and the solar panel is electrically connected with the storage battery.
Preferably, an infrared sensor is arranged on the outer side of the lower protection plate and electrically connected with the controller.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the first connecting piece is inserted into the second connecting cylinder on one adjacent side, so that the first connecting piece is contacted with the second connecting piece, the second connecting piece is tightly sucked on the second connecting piece under the action of the permanent magnet in the first connecting piece, and then the fixing pin matched with the fixing hole is inserted into the fixing hole, so that the connection of two adjacent baffles is completed; the two baffles are connected through magnetic force, and are matched with the secondary fixation of the fixing pin, so that the assembly operation is simpler, the nut connection is avoided, the nut is not required to be frequently screwed, and the connection speed and efficiency are improved;
2. the auxiliary support mechanism arranged at the bottom of the lower protection plate provides secondary support for the lower protection plate, when the auxiliary support mechanism is used, the pull rod is pulled to move downwards in the rotating groove to drive the sliding pipe to rotate, the sliding rod drives the support column to rotate, the support column is rotated to be in contact with the ground, and at the moment, the pull rod is fixed in the clamping groove through the spring piece in the clamping groove, so that the influence on the support stability due to accidental rotation of the pull rod is avoided;
3. according to the invention, the oil infrared sensor is arranged on the outer side of the lower guard plate and used for detecting whether a person approaches, when the person approaches, the infrared sensor transmits a signal to the controller, and the controller controls the warning lamp to flash so as to remind the approaching person and avoid accidents.
Drawings
Fig. 1 is a sectional view of an outer side structure of an elevator shaft guard of the present invention, which is convenient to assemble;
fig. 2 is a schematic structural view of the inner side of an elevator door guard convenient to assemble according to the invention;
fig. 3 is a schematic side view of an elevator shaft protective baffle convenient to assemble according to the invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: 100. a base; 101. an upper guard plate; 102. a lower guard plate; 103. a second connecting mechanism; 1031. a second connecting cylinder; 1032. a second buffer spring; 1033. a second connecting sheet; 104. a first connecting mechanism; 1041. a rotating shaft; 1042. a first connecting cylinder; 1043. a first buffer spring; 1044. a first sliding block; 1045. a first connecting rod; 1046. connecting a first sheet; 105. a guide groove; 106. connecting a screw rod; 107. connecting columns; 108. an adjustment groove; 109. adjusting a knob; 110. a stabilizing block; 111. an observation window; 112. a controller; 113. a storage battery; 114. an auxiliary support mechanism; 1141. a support cylinder; 1142. a slide bar; 1143. a support pillar; 1144. a pull rod; 1145. a clamping groove; 115. a first sliding groove; 116. a permanent magnet; 117. a fixing hole; 118. a warning light; 119. a handle; 120. a solar panel; 121. an infrared sensor; 122. connecting grooves; 123. a rotating trough.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: an elevator entrance guard board convenient to assemble comprises a base 100, an upper guard plate 101 and a lower guard plate 102, the lower guard plate 102 is welded with the base 100, the right sides of the upper guard plate 101 and the lower guard plate 102 are respectively provided with a rotating groove 123, a first connecting mechanism 104 is installed in the rotating groove 123, a second connecting mechanism 103 matched with the first connecting mechanism 104 is installed on the left sides of the upper guard plate 101 and the lower guard plate 102, one side of the upper guard plate 101, close to the lower side end face of the upper guard plate, is provided with a plurality of connecting grooves 122, one side of the connecting grooves 122 in the upper guard plate 101 is provided with a guide groove 105, the upper end face of the lower guard plate 102 is provided with a connecting screw 106 and a connecting column 107 respectively matched with the connecting grooves 122 and the guide groove 105, the connecting grooves 122 on the upper guard plate 101 are provided with an adjusting groove 108, the adjusting knob 109 is installed in the adjusting groove 108, the upper end and the lower end, the connecting screw 106 penetrates through the adjusting knob 109 and the stabilizing block 110, the adjusting knob 109 is in threaded connection with the connecting screw 106, the lower protection plate 102 is provided with an observation window 111, a storage battery 113 is installed in the base 100, one side of the lower protection plate 102 close to the observation window 111 is provided with a controller 112, and the bottom of the inner side of the lower protection plate 102 is provided with an auxiliary supporting mechanism 114.
The first connecting mechanism 104 comprises a plurality of rotating shafts 1041, a first connecting cylinder 1042, a first buffer spring 1043, a first sliding block 1044, a first connecting rod 1045 and a first connecting sheet 1046, the first rotating shafts 1041 are respectively connected with the upper surface and the lower surface of the first connecting cylinder 1042, one end of the first rotating shafts 1041, which is far away from the first connecting cylinder 1042, is rotatably connected with the rotating groove 123, a first sliding groove 115 is formed in the first connecting cylinder 1042, the first sliding block 1044 is slidably connected with the first sliding groove 115, two ends of the first buffer spring 1043 are respectively connected with the inner wall of the first connecting cylinder 1042 and the first sliding block 1044, and the first connecting sheet 1046 is connected with the end face of.
The permanent magnet 116 is installed inside the first connecting piece 1046.
The second connecting mechanism 103 comprises a second connecting cylinder 1031, a second buffer spring 1032 and a second connecting sheet 1033, and two ends of the second buffer spring 1032 are respectively connected with the inner wall of the second connecting cylinder 1031 and the second connecting sheet 1033.
The second connecting cylinder 1031 and the first connecting rod 1045 are respectively provided with a fixing hole 117 for matching use.
The outer side of the upper guard plate 101 is provided with a warning light 118, and the inner side of the upper guard plate 101 is provided with a handle 119.
The auxiliary supporting mechanism 114 comprises a supporting cylinder 1141, a sliding rod 1142, a plurality of supporting columns 1143, a pull rod 1144 and a clamping groove 1145, the supporting cylinder 1141 is transversely installed at the bottom of the lower guard plate 102, the supporting cylinder 1141 is of a structure with openings at two sides, the sliding rod 1142 is slidably installed inside the supporting cylinder 1141, a rotating groove is formed in the middle of the supporting cylinder 1141, the pull rod 1144 is slidably installed in the rotating groove, the bottom of the pull rod 1142 is welded to the sliding rod 1144, the supporting columns 1143 are welded to two ends of the sliding rod 1142, the clamping groove 1145 is installed at the lower part of the supporting cylinder 1141, and a spring.
The top end of the upper protection plate 101 is provided with a solar panel 120, and the solar panel 120 is electrically connected with the storage battery 113.
An infrared sensor 121 is installed on the outer side of the lower guard plate 102, and the infrared sensor 121 is electrically connected with the controller 112.
The working principle is as follows: when the invention is used, firstly, the connecting groove 122 and the guide groove 105 at the lower part of the upper guard plate 101 are inserted after being aligned with the connecting screw 106 and the connecting column 107, a worker manually rotates the knob, the connecting screw 106 is driven to move upwards by rotating the knob until the connecting screw 106 is completely screwed into the connecting groove 122, and the upper guard plate 101 and the lower guard plate 102 are assembled;
then the first connecting piece 1046 is inserted into the second connecting cylinder 1031 on the adjacent side, so that the first connecting piece 1046 is contacted with the second connecting piece 1033, the second connecting piece 1033 is tightly sucked on the second connecting piece 1033 under the action of the permanent magnet 116 in the first connecting piece 1046, and then a fixing pin matched with the fixing hole 117 is inserted into the fixing hole 117, so that the connection of the two adjacent baffle plates is completed, because the rotating shaft 1041 is installed, the first connecting cylinder 1042 can rotate around the rotating shaft 1041, and a user can conveniently adjust the angles of the two adjacent baffle plates; the two baffles are connected through magnetic force, and are matched with the secondary fixation of the fixing pin, so that the assembly operation is simpler, the nut connection is avoided, the nut is not required to be frequently screwed, and the connection speed and efficiency are improved;
the auxiliary supporting mechanism 114 arranged at the bottom of the lower guard plate 102 provides secondary support for the lower guard plate 102, when in use, the pull rod 1144 is pulled, the pull rod 1144 moves downwards in the rotating groove to drive the sliding pipe to rotate, the sliding rod 1142 drives the supporting column 1143 to rotate, the supporting column 1143 is rotated to be in contact with the ground, at the moment, the pull rod 1144 is fixed in the clamping groove 1145 through the spring leaf in the clamping groove 1145, and the influence of accidental rotation of the pull rod 1144 on the supporting stability is avoided;
an oil infrared sensor 121 is arranged on the outer side of the lower guard plate 102 and used for detecting whether a person approaches, when the person approaches, the infrared sensor 121 transmits a signal to the controller 112, and the controller 112 controls the warning lamp 118 to flicker so as to remind the approaching person and avoid accidents;
because the solar internal battery is arranged, the storage battery 113 is charged under the condition of outdoor and indoor illumination, so that the solar energy storage device is more environment-friendly;
the maintenance personnel can conveniently observe the external condition of the lower protective plate 102 through the observation window 111, and the user can conveniently move the upper protective plate 101 and the lower protective plate 102 through the handle 119.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides an elevator mouth guard flap convenient to assemble, includes base (100), its characterized in that: the upper protection plate (101) and the lower protection plate (102) are fixedly connected, the right sides of the upper protection plate (101) and the lower protection plate (102) are respectively provided with a rotating groove (123), a first connecting mechanism (104) is arranged in the rotating groove (123), the left sides of the upper protection plate (101) and the lower protection plate (102) are provided with a second connecting mechanism (103) matched with the first connecting mechanism (104), one side of the upper protection plate (101) close to the lower side end face is provided with a plurality of connecting grooves (122), one side of the connecting groove (122) in the upper protection plate (101) is provided with a guide groove (105), the upper end face of the lower protection plate (102) is provided with a connecting screw rod (106) and a connecting column (107) which are respectively matched with the connecting groove (122) and the guide groove (105), and the upper connecting groove (122) of the upper protection plate (101) is provided with an adjusting groove (108), be provided with adjust knob (109) in adjustment groove (108), adjust knob (109) upper and lower both ends are provided with and are used for stabilizing stable piece (110) of adjust knob (109), stable piece (110) and connecting groove (122) sliding connection, adjusting knob (109) and stable piece (110) are run through in connecting screw (106), adjust knob (109) and connecting screw (106) threaded connection, observation window (111) have been seted up on backplate (102) down, be provided with battery (113) in base (100), backplate (102) are close to observation window (111) one side and are provided with controller (112) down, backplate (102) inboard bottom is provided with auxiliary stay mechanism (114) down.
2. The elevator mouth guard flap convenient to assemble of claim 1, characterized in that: the connecting mechanism I (104) comprises a plurality of rotating shafts (1041), a connecting cylinder I (1042), a buffer spring I (1043), a slider I (1044), a connecting rod I (1045) and a connecting sheet I (1046), wherein the rotating shafts (1041) I are respectively connected with the upper surface and the lower surface of the connecting cylinder I (1042), one ends of the rotating shafts (1041) far away from the connecting cylinder I (1042) are rotatably connected with a rotating groove (123), sliding grooves I (115) are formed in the connecting cylinder I (1042), the slider I (1044) is slidably connected with the sliding grooves I (115), two ends of the buffer spring I (1043) are respectively connected with the inner wall of the connecting cylinder I (1042) and the slider I (1044), and the connecting sheet I (1046) is connected with the side end face of the slider I (1044).
3. The elevator port protective baffle convenient to assemble of claim 2, which is characterized in that: and a permanent magnet (116) is arranged in the connecting piece I (1046).
4. The elevator mouth guard flap convenient to assemble of claim 1, characterized in that: the second connecting mechanism (103) comprises a second connecting cylinder (1031), a second buffer spring (1032) and a second connecting piece (1033), and two ends of the second buffer spring (1032) are respectively connected with the inner wall of the second connecting cylinder (1031) and the second connecting piece (1033).
5. The elevator port protective baffle convenient to assemble of claim 2, which is characterized in that: and the second connecting cylinder (1031) and the first connecting rod (1045) are respectively provided with a fixing hole (117) matched for use.
6. The elevator mouth guard flap convenient to assemble of claim 1, characterized in that: a warning lamp (118) is arranged on the outer side of the upper protection plate (101), and a handle (119) is arranged on the inner side of the upper protection plate (101).
7. The elevator mouth guard flap convenient to assemble of claim 1, characterized in that: the auxiliary supporting mechanism (114) comprises a supporting cylinder (1141), a sliding rod (1142), a plurality of supporting columns (1143), a pull rod (1144) and a clamping groove (1145), wherein the supporting cylinder (1141) is transversely arranged at the bottom of the lower protective plate (102), the supporting cylinder (1141) is of a structure with openings on two sides, the sliding rod (1142) is slidably arranged inside the supporting cylinder (1141), a rotating groove is formed in the middle of the supporting cylinder (1141), the pull rod (1144) is slidably arranged in the rotating groove, the bottom of the pull rod is fixedly connected with the sliding rod (1142), the supporting columns (1143) are fixedly arranged at two ends of the sliding rod (1142), the clamping groove (1145) is arranged at the lower part of the supporting cylinder (1141), and a spring piece is arranged in the clamping groove (1145).
8. The elevator mouth guard flap convenient to assemble of claim 1, characterized in that: the top end of the upper protection plate (101) is provided with a solar panel (120), and the solar panel (120) is electrically connected with the storage battery (113).
9. The elevator mouth guard flap convenient to assemble of claim 1, characterized in that: an infrared sensor (121) is arranged on the outer side of the lower protection plate (102), and the infrared sensor (121) is electrically connected with the controller (112).
CN202011547668.XA 2020-12-24 2020-12-24 Elevator mouth guard flap convenient to assemble Expired - Fee Related CN112723081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011547668.XA CN112723081B (en) 2020-12-24 2020-12-24 Elevator mouth guard flap convenient to assemble

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Application Number Priority Date Filing Date Title
CN202011547668.XA CN112723081B (en) 2020-12-24 2020-12-24 Elevator mouth guard flap convenient to assemble

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CN112723081A true CN112723081A (en) 2021-04-30
CN112723081B CN112723081B (en) 2022-04-12

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1418149A1 (en) * 2002-11-08 2004-05-12 Daniel Schürmann Elevator door safety device
ES1075518U (en) * 2011-08-25 2011-10-24 Punzometal, S.L. Safety protector for elevators (Machine-translation by Google Translate, not legally binding)
JP2012188250A (en) * 2011-03-11 2012-10-04 Mitsubishi Electric Building Techno Service Co Ltd Safety device of landing doorway of elevator
CN202887899U (en) * 2012-11-15 2013-04-17 佛山市凯西欧灯饰有限公司 Magnetic force rotation connecting structure and lamp adopting structure
CN104326320A (en) * 2014-10-29 2015-02-04 康力电梯股份有限公司 Telescopic lift car toe guard
CN106081804A (en) * 2016-08-17 2016-11-09 通用电梯股份有限公司 A kind of telescopic toeguard
CN205937349U (en) * 2016-08-12 2017-02-08 佛山市顺德区翔豪实业有限公司 Furniture connection fittings anchoring structure
CN108341413A (en) * 2018-05-14 2018-07-31 湖州归谷信息科技有限公司 A kind of silicon carbide crucible pot for manufacturing furnace cradle
CN207730336U (en) * 2018-02-05 2018-08-14 沙帅 A kind of Senior Biology experimental provision
CN209510828U (en) * 2018-12-16 2019-10-18 贵州振华红云电子有限公司 Piezoelectric ceramics micropore atomization piece patch solidifies fixture
CN211004081U (en) * 2019-11-22 2020-07-14 广州市知力电梯起重设备有限公司 Buffer type elevator toe guard plate structure
CN211424719U (en) * 2019-09-20 2020-09-04 河北泽尔农业科技有限公司 Solar energy support
CN211604338U (en) * 2020-03-30 2020-09-29 袁海玉 Accounting computerization teaching demonstrating board

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1418149A1 (en) * 2002-11-08 2004-05-12 Daniel Schürmann Elevator door safety device
JP2012188250A (en) * 2011-03-11 2012-10-04 Mitsubishi Electric Building Techno Service Co Ltd Safety device of landing doorway of elevator
ES1075518U (en) * 2011-08-25 2011-10-24 Punzometal, S.L. Safety protector for elevators (Machine-translation by Google Translate, not legally binding)
CN202887899U (en) * 2012-11-15 2013-04-17 佛山市凯西欧灯饰有限公司 Magnetic force rotation connecting structure and lamp adopting structure
CN104326320A (en) * 2014-10-29 2015-02-04 康力电梯股份有限公司 Telescopic lift car toe guard
CN205937349U (en) * 2016-08-12 2017-02-08 佛山市顺德区翔豪实业有限公司 Furniture connection fittings anchoring structure
CN106081804A (en) * 2016-08-17 2016-11-09 通用电梯股份有限公司 A kind of telescopic toeguard
CN207730336U (en) * 2018-02-05 2018-08-14 沙帅 A kind of Senior Biology experimental provision
CN108341413A (en) * 2018-05-14 2018-07-31 湖州归谷信息科技有限公司 A kind of silicon carbide crucible pot for manufacturing furnace cradle
CN209510828U (en) * 2018-12-16 2019-10-18 贵州振华红云电子有限公司 Piezoelectric ceramics micropore atomization piece patch solidifies fixture
CN211424719U (en) * 2019-09-20 2020-09-04 河北泽尔农业科技有限公司 Solar energy support
CN211004081U (en) * 2019-11-22 2020-07-14 广州市知力电梯起重设备有限公司 Buffer type elevator toe guard plate structure
CN211604338U (en) * 2020-03-30 2020-09-29 袁海玉 Accounting computerization teaching demonstrating board

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