CN217229896U - Elevator shaft protective door fixing part and protective door - Google Patents

Elevator shaft protective door fixing part and protective door Download PDF

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Publication number
CN217229896U
CN217229896U CN202220608578.5U CN202220608578U CN217229896U CN 217229896 U CN217229896 U CN 217229896U CN 202220608578 U CN202220608578 U CN 202220608578U CN 217229896 U CN217229896 U CN 217229896U
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China
Prior art keywords
protective door
elevator shaft
vertical rod
transverse
clamping piece
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CN202220608578.5U
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Chinese (zh)
Inventor
张屹春
马德志
谢富斌
赵松涛
丁国林
纪东
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Beijing Uni Construction No2 Development Construction Co ltd
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Beijing Uni Construction No2 Development Construction Co ltd
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Abstract

The application discloses an elevator shaft protective door fixing piece and a protective door, which belong to the technical field of building construction protection, the elevator shaft protective door fixing piece comprises a vertical rod, a first clamping piece and a second clamping piece, and the vertical rod is abutted to the protective door; the first clamping piece and the second clamping piece are both arranged on the vertical rod, and the first clamping piece is used for being matched with a wall of an elevator shaft; the second clamping piece is used for being matched with the protective door; an elevator shaft protective door comprises an identification plate, a rail and a plurality of rail columns, wherein the number of the rail is two, the rail columns are fixedly connected with the two rails, and the identification plate is fixedly connected with the rail columns; the vertical rod is abutted with one of the railing columns, and the second clamping piece is abutted with one of the other railing columns. This application can reduce the possibility that causes the destruction to the wall through the distance between adjustment first holder and the second holder, reaches the secondary use's of being convenient for guard gate purpose.

Description

Elevator shaft protective door fixing part and protective door
Technical Field
The application relates to the technical field of building construction protection, in particular to an elevator shaft protection door fixing piece and a protection door.
Background
At present, in decoration and fitment of a construction site, frontier protection is very important safety management and control work, wherein a protective door is often adopted at a reserved inner elevator shaft for temporary shielding, meanwhile, a fixing part is required to fix the protective door on the wall of the inner elevator shaft, and when other parts in a building are constructed, the possibility of accidents such as falling of workers is reduced; after the construction of the interior of the building is finished, the protection door is removed from the fixing part, and the protection door is dismantled without influencing the installation of subsequent equipment such as an elevator door.
In the related art, there is a hoistway guard door fixing member and a guard door, referring to fig. 1, the fixing member usually adopts two expansion bolts 63, the guard door is composed of an upper rail 61, a lower rail 61 and a plurality of rail columns 62, and lug pieces 64 are respectively arranged on the rail columns 62 at two sides, so that the expansion bolts 63 can correspondingly penetrate through the lug pieces 64 one by one, and the lug pieces 64 are fixedly connected with the wall of an inner hoistway; an identification plate 6 is arranged between the two rails 61.
With respect to the above-described related art, the inventors consider that the following drawbacks exist: in the decoration process, due to the requirements of various processes such as punching ribs, putty scraping and the like, the protective door is frequently required to be dismantled and secondarily installed, and due to the use of the expansion bolts, the wall is difficult to recover after being damaged, and secondary use of the protective door is possibly inconvenient.
SUMMERY OF THE UTILITY MODEL
For the convenience of the secondary use of guard gate, on the one hand, this application provides an elevator shaft guard gate mounting.
The application provides a pair of elevartor shaft guard gate mounting adopts following technical scheme:
the elevator shaft protective door fixing piece comprises a vertical rod, a first clamping piece and a second clamping piece, wherein the vertical rod is abutted with a protective door; the first clamping piece and the second clamping piece are both arranged on the vertical rod, and the first clamping piece is used for being matched with a wall of an elevator shaft; the second clamping piece is used for being matched with the protective door.
By adopting the technical scheme, in order to facilitate secondary use of the protective door, when the protective door is used for shielding the elevator shaft, the vertical rod firstly penetrates through the protective door, and then the vertical rod is utilized to adjust the distance between the first clamping piece and the second clamping piece, so that the first clamping piece is abutted against the wall of the elevator shaft, and meanwhile, the second clamping piece is abutted against the protective door, and the aim of fixing the protective door on the wall of the elevator shaft is fulfilled; when the guard gate is dismantled to needs, utilize the distance between first holder of vertical pole increase and the second holder to can make guard gate and elevartor shaft wall phase separation, reduce the possibility that causes the destruction to guard gate and elevartor shaft wall, and then reach the secondary usage's of the guard gate of being convenient for purpose.
Preferably, the first clamping member comprises a first transverse column and a first spiral ring, the first spiral ring is fixedly connected with the first transverse column, and the first spiral ring is in threaded connection with the vertical rod; the second clamping piece comprises a second transverse column and a second spiral ring, the second spiral ring is fixedly connected with the second transverse column, and the second spiral ring is in threaded connection with the vertical rod.
Through adopting above-mentioned technical scheme, in order to adjust the distance between first holder and the second holder, rotate vertical rod, vertical rod rotates and drives first spiral ring and second spiral ring and remove, and first spiral ring removes and drives first horizontal post and remove, and the removal of second spiral rod drives the horizontal post of second and removes to reach the purpose of adjusting the distance between first horizontal post and the horizontal post of second.
Preferably, one end of the first transverse column, which is far away from the vertical rod, is in threaded connection with a first nut, and the first transverse column is abutted against the wall of the elevator shaft through the first nut.
Through adopting above-mentioned technical scheme, utilize first nut, can reduce the possibility that first horizontal post and elevartor shaft wall produced relative displacement.
Preferably, one end, far away from the vertical rod, of the second transverse column is in threaded connection with a second nut, and the second transverse column is abutted to the protective door through the second nut.
Through adopting above-mentioned technical scheme, utilize the second nut, can reduce the possibility that produces relative displacement between second transverse bar and the guard gate.
Preferably, the first clamping piece comprises a first transverse rod, a first screw block, a screw rod and a suction cup, the first screw block is fixedly connected with the first transverse rod, the first screw block is in threaded connection with the vertical rod, the screw rod is in threaded connection with one end, far away from the vertical rod, of the first transverse rod, the suction cup is fixedly connected with the screw rod, and the first transverse rod is abutted against the wall of the elevator shaft through the suction cup; the second holder includes second transverse bar, second spiral piece and fixed plate, the second spiral piece with second transverse bar fixed connection, the second spiral piece with vertical rod threaded connection, the second transverse bar is kept away from the one end fixedly connected with deflector of vertical rod, the spout has been seted up on the deflector, sliding connection has the slider in the spout, the slider with fixed plate fixed connection, the second transverse bar passes through fixed plate and guard gate looks butt.
By adopting the technical scheme, in order to facilitate secondary use of the protective door, the vertical rod is rotated, the vertical rod rotates to drive the first spiral block and the second spiral block to move, the first spiral block moves to drive the first transverse rod to move the second spiral block to move so as to drive the second transverse rod to move, after the first transverse rod is moved to a proper position, the screw rod is rotated to drive the sucker to move, so that the sucker is tightly abutted against the wall of the elevator shaft, and the possibility of relative displacement between the first transverse rod and the wall of the elevator shaft can be reduced; after the second transverse rod is moved to a proper position, the fixing plate is moved to enable the fixing plate to be abutted against the protective door, and the guide plate can be used for guiding the movement of the fixing plate, so that the fixing plate can be abutted against the protective door conveniently; thereby reach and fix the guard gate on the elevartor shaft wall purpose, when the guard gate is dismantled to needs, utilize the distance between first transverse bar of vertical pole increase and the second transverse bar, reduce the elevartor shaft wall and receive the possibility of damage, and then reach the secondary use's of the guard gate of being convenient for purpose.
Preferably, an accommodating groove is formed in one end, far away from the vertical rod, of the second transverse rod, a spring is arranged in the accommodating groove, one end of the spring is fixedly connected with the inner wall of the accommodating groove, and the other end of the spring is fixedly connected with the fixing plate.
Through adopting above-mentioned technical scheme, when removing the fixed plate and make fixed plate and guard gate looks butt, the spring is stretched, under the spring action of spring, can reduce the possibility that produces relative displacement between second transverse bar and the guard gate.
Preferably, a rubber layer is adhered to the fixing plate, and the fixing plate is abutted to the protective door through the rubber layer.
Through adopting above-mentioned technical scheme, utilize the effect of rubber layer, can increase the frictional force between fixed plate and the guard gate to reduce the possibility that produces relative displacement between fixed plate and the guard gate.
In another aspect, the present application provides an elevator shaft guard door.
The application provides a pair of elevartor shaft guard gate adopts following technical scheme:
an elevator shaft protective door comprises an identification plate, a rail and a plurality of rail columns, wherein the number of the rail is two, the rail columns are fixedly connected with the two rails, and the identification plate is fixedly connected with the rail columns; the vertical rod is abutted with one of the railing posts, and the second clamping piece is abutted with one of the other railing posts.
By adopting the technical scheme, the use of materials can be reduced by utilizing the plurality of railing columns, and the aim of saving resources is fulfilled; the mark plate can play a warning role; the vertical pole of can being convenient for between a plurality of railing posts passes, and the railing post can cooperate with the second holder for the second holder offsets tightly with the railing post, reduces the possibility that takes place relative displacement between second holder and the railing post.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in order to facilitate secondary use of the protective door, when the protective door is used for shielding an elevator shaft, the vertical rod firstly penetrates through the protective door, and then the vertical rod is utilized to adjust the distance between the first clamping piece and the second clamping piece, so that the first clamping piece is tightly abutted against the wall of the elevator shaft, and meanwhile, the second clamping piece is tightly abutted against the protective door, and the purpose of fixing the protective door on the wall of the elevator shaft is achieved; when the protective door needs to be detached, the vertical rod is utilized to increase the distance between the first clamping piece and the second clamping piece, so that the protective door can be separated from the elevator shaft wall, the possibility of damaging the protective door and the elevator shaft wall is reduced, and the aim of facilitating secondary use of the protective door is fulfilled;
2. in order to facilitate secondary use of the protective door, the vertical rod is rotated firstly, the vertical rod rotates to drive the first spiral block and the second spiral block to move, the first spiral block moves to drive the first transverse rod to move the second spiral block to move so as to drive the second transverse rod to move, after the first transverse rod is moved to a proper position, the screw rod is rotated to drive the sucker to move, so that the sucker is tightly abutted against the wall of the elevator shaft, and the possibility of relative displacement between the first transverse rod and the wall of the elevator shaft can be reduced; after the second transverse rod is moved to a proper position, the fixing plate is moved to enable the fixing plate to be abutted against the protective door, and the guide plate can be used for guiding the movement of the fixing plate, so that the fixing plate can be abutted against the protective door conveniently; when the protective door needs to be detached, the vertical rod is utilized to increase the distance between the first transverse rod and the second transverse rod, so that the possibility of damaging the elevator shaft wall is reduced, and the aim of facilitating secondary use of the protective door is fulfilled;
3. by utilizing the plurality of railing columns, the use of materials can be reduced, and the aim of saving resources is fulfilled; the mark plate can play a warning role; the vertical pole of can being convenient for between a plurality of railing posts passes, and the railing post can cooperate with the second transverse bar for the second transverse bar offsets tightly with the railing post, reduces the possibility that takes place relative displacement between second transverse bar and the railing post.
Drawings
Fig. 1 is an overall schematic view of a protective door fixing member and a protective door of an elevator shaft in the related art.
Fig. 2 is a schematic overall structure diagram of the first embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 2.
FIG. 4 is a schematic view of a first transverse column being highlighted in one embodiment of the present application.
Fig. 5 is a schematic overall structure diagram of the second embodiment of the present application.
Fig. 6 is an enlarged view at B in fig. 5.
Fig. 7 is a sectional view of the second transverse rod, the second screw block, and the guide plate in the second embodiment of the present application.
FIG. 8 is a schematic view of the second embodiment of the present application highlighting the first transverse bar.
Description of reference numerals:
1. a vertical rod; 2. a first clamping member; 21. a first transverse column; 22. a first helical ring; 23. a first nut; 24. a first transverse bar; 25. a first screw block; 26. a screw; 27. a suction cup; 3. a second clamping member; 31. a second transverse column; 32. a second helical ring; 33. a second nut; 34. a second transverse bar; 35. a second screw block; 36. a fixing plate; 37. accommodating a tank; 38. a spring; 4. a rubber layer; 5. a guide plate; 51. a chute; 52. a slider; 6. a marking plate; 61. a rail; 62. a newel post; 63. an expansion bolt; 64. a tab.
Detailed Description
The present application is described in further detail below with reference to figures 2-8.
The first embodiment is as follows:
the embodiment of the application discloses an elevator shaft guard gate mounting.
Referring to fig. 2, 3 and 4, the elevator shaft protective door fixing member includes a vertical rod 1, a first clamping member 2 and a second clamping member 3, and the first clamping member 2 and the second clamping member 3 are both installed on the vertical rod 1.
As shown in fig. 2, 3 and 4, the first clamping member 2 includes a first transverse column 21 and a first spiral ring 22, and the first spiral ring 22 is fixedly connected with the first transverse column 21; the second clamping piece 3 comprises a second transverse column 31 and a second spiral ring 32, and the second spiral ring 32 is fixedly connected with the second transverse column 31; threads are arranged at two ends of the vertical rod 1, and the rotation directions of the threads at two ends of the vertical rod 1 are opposite; the first helical ring 22 is threadedly connected to one of the segments and the second helical ring 32 is threadedly connected to the other segment.
After the protective door is used for shielding the elevator well mouth, the vertical rod 1 penetrates through the protective door, the first spiral ring 22 is rotated to enable the first transverse column 21 to be tightly abutted against the wall of the elevator shaft, and the second spiral ring 32 is rotated to enable the second transverse column 31 to be tightly abutted against the protective door, so that the aim of fixing the protective door on the wall of the elevator shaft is fulfilled; when the guard door needs to be temporarily disassembled, the first spiral ring 22 and the second spiral ring 32 are rotated to increase the distance between the first transverse column 21 and the second transverse column 31, so that the guard door is separated from the wall of the elevator shaft, the possibility of damage to the wall of the elevator shaft is reduced, and the purpose of facilitating secondary use of the guard door is achieved.
As shown in fig. 4, one end of the first transverse column 21, which is far away from the vertical rod 1, is in threaded connection with a first nut 23, the first transverse column 21 is abutted against the wall of the elevator hoistway through the first nut 23, and the friction force between the first transverse column 21 and the wall of the elevator hoistway can be increased by the action of the first nut 23, so that the possibility that the first transverse column 21 and the wall of the elevator hoistway generate relative displacement can be reduced.
As shown in fig. 2 and 3, a second nut 33 is screwed to one end of the second transverse column 31 away from the vertical rod 1, the second transverse column 31 is in contact with the protective door through the second nut 33, and the second nut 33 can reduce the possibility of relative displacement between the second transverse column 31 and the protective door.
The embodiment of the application discloses elevartor shaft guard gate.
As shown in fig. 2 and 5, the elevator shaft protective door comprises an identification plate 6, a rail 61 and a plurality of rail columns 62, the number of the rail 61 is two, the plurality of rail columns 62 are vertically arranged at equal intervals, the two rail 61 are horizontally arranged and fixedly connected with the plurality of rail columns 62, the two rail 61 are respectively positioned at the top and the bottom of the plurality of rail columns 62, the identification plate 6 is horizontally arranged and fixedly connected with the plurality of rail columns 62, and the identification plate 6 is positioned between the two rail columns 61.
As shown in fig. 3 and 6, the two sides of the top of the protective door are provided with protective door fixing parts, the vertical rod 1 in each group of fixing parts can be abutted against one of the railing posts 62, and the second clamping parts 3 in the two groups of fixing parts are abutted against the railing posts 62 on the two sides in a one-to-one correspondence manner.
In one embodiment of the application, the implementation principle of elevator shaft guard gate mounting and guard gate is: firstly, a protective door is placed on the wall of an elevator shaft, so that the protective door can shield an inner elevator opening, then a vertical rod 1 penetrates through the protective door, a first transverse column 21 is tightly abutted to the wall of the elevator shaft by utilizing a first spiral ring 22 and a second spiral ring 32, and a second transverse column 31 is tightly abutted to the protective door, so that the aim of fixing the protective door on the wall of the elevator shaft is fulfilled; when the protective door needs to be disassembled, the first spiral ring 22 and the second spiral ring 32 are utilized to increase the distance between the first transverse column 21 and the second transverse column 31, so that the secondary use of the protective door can be facilitated; by utilizing the two rails 61 and the plurality of rail columns 62, the use of materials can be reduced while the protection effect is achieved, and the purpose of saving resources is achieved; the mark plate 6 can be printed with warning words to play a warning role; the gap between a plurality of railing posts 62 can be convenient for vertical pole 1 to pass, and the railing post 62 at guard gate edge can cooperate with second holder 3 and support tightly to reduce the possibility that produces relative displacement between second holder 3 and the guard gate.
Example two:
as shown in fig. 5, 7 and 8, the second embodiment is different from the first embodiment in the first clamping member 2 and the second clamping member 3.
As shown in fig. 5, 7 and 8, the first clamping member 2 in the second embodiment includes a first transverse rod 24, a first screw block 25, a screw rod 26 and a suction cup 27, the first screw block 25 is fixedly connected to the first transverse rod 24, the screw rod 26 is in threaded connection with one end of the first transverse rod 24 away from the vertical rod 1, the suction cup 27 is fixedly connected to one end of the screw rod 26 close to the elevator shaft wall, and after the first transverse rod 24 is adjusted to a proper position, the screw rod 26 is rotated, the screw rod 26 moves to drive the suction cup 27 to move, so that the first transverse rod 24 abuts against the elevator shaft wall through the suction cup 27, and the possibility of relative displacement between the first transverse rod 24 and the elevator shaft wall is reduced.
As shown in fig. 5, 6 and 7, the second clamping member 3 in the second embodiment includes a second transverse rod 34, a second spiral block 35 and a fixing plate 36, the second spiral block 35 is fixedly connected to the second transverse rod 34, an accommodating groove 37 is formed in one end of the second transverse rod 34 away from the vertical rod 1, a spring 38 is disposed in the accommodating groove 37, one end of the spring 38 is fixedly connected to an inner wall of the accommodating groove 37, the other end of the spring 38 is fixedly connected to the fixing plate 36, the fixing plate 36 is L-shaped, a rubber layer 4 is adhered to the fixing plate 36, the second transverse rod 34 abuts against the protective door through the rubber layer 4 on the fixing plate 36, and after the second transverse rod 34 is adjusted to a proper position, the fixing plate 36 is moved, the spring 38 is stretched, and the second transverse rod 34 abuts against the protective door under the elastic force of the spring 38; by the rubber layer 4, the friction between the fixing plate 36 and the guard door can be increased, thereby reducing the possibility of relative displacement between the second transverse rod 34 and the guard door.
As shown in fig. 5, 6 and 7, both ends of the vertical rod 1 are provided with threads, and the rotation directions of the threads at both ends of the vertical rod 1 are opposite, the first screw block 25 is in threaded connection with one of the threads, and the second screw block 35 is in threaded connection with the other of the threads, so that the distance between the first clamping member 2 and the second clamping member 3 can be adjusted by rotating the first screw block 25 and the second screw block 35.
As shown in fig. 7, one end of the second transverse rod 34, which is far away from the vertical rod 1, is further fixedly connected with a guide plate 5, a dovetail-shaped sliding groove 51 is formed in the guide plate 5, a dovetail-shaped sliding block 52 is fixedly connected to the fixing plate 36, and the sliding block 52 is slidably connected with the inner wall of the sliding groove 51, so that a guiding effect can be achieved on the movement of the fixing plate 36.
In the second embodiment of the application, the elevator shaft protective door fixing piece and the protective door are implemented according to the principle that: firstly, a protective door is placed on the wall of an elevator shaft, so that the protective door can shield an inner elevator opening, then a vertical rod 1 penetrates through the protective door, a suction cup 27 is tightly abutted to the wall of the elevator shaft by utilizing a first spiral block 25 and a second spiral block 35, and meanwhile, a fixing plate 36 is moved, so that the fixing plate 36 is tightly abutted to the protective door, and the purpose of fixing the protective door on the wall of the elevator shaft is achieved; when the guard door needs to be disassembled, the distance between the first transverse rod 24 and the second transverse rod 34 is increased by the first screw block 25 and the second screw block 35, so that the secondary use of the guard door can be facilitated.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An elevator shaft guard gate mounting which characterized in that: the protective door comprises a vertical rod (1), a first clamping piece (2) and a second clamping piece (3), wherein the vertical rod (1) is abutted to the protective door; the first clamping piece (2) and the second clamping piece (3) are both arranged on the vertical rod (1), and the first clamping piece (2) is used for being matched with a wall of an elevator shaft; the second clamping piece (3) is used for being matched with a protective door for use.
2. An elevator shaft protective door fixing member according to claim 1, characterized in that: the first clamping piece (2) comprises a first transverse column (21) and a first spiral ring (22), the first spiral ring (22) is fixedly connected with the first transverse column (21), and the first spiral ring (22) is in threaded connection with the vertical rod (1); the second clamping piece (3) comprises a second transverse column (31) and a second spiral ring (32), the second spiral ring (32) is fixedly connected with the second transverse column (31), and the second spiral ring (32) is in threaded connection with the vertical rod (1).
3. An elevator shaft protective door fixing member according to claim 2, characterized in that: one end of the first transverse column (21) far away from the vertical rod (1) is connected with a first nut (23) in a threaded mode, and the first transverse column (21) is abutted to the wall of the elevator shaft through the first nut (23).
4. An elevator shaft protective door fixing member according to claim 2, characterized in that: one end, far away from the vertical rod (1), of the second transverse column (31) is connected with a second nut (33) in a threaded mode, and the second transverse column (31) is connected with a protective door in an abutting mode through the second nut (33).
5. The elevator shaft protective door fixing member according to claim 1, wherein: the first clamping piece (2) comprises a first transverse rod (24), a first spiral block (25), a screw rod (26) and a suction disc (27), the first spiral block (25) is fixedly connected with the first transverse rod (24), the first spiral block (25) is in threaded connection with the vertical rod (1), the screw rod (26) is in threaded connection with one end, far away from the vertical rod (1), of the first transverse rod (24), the suction disc (27) is fixedly connected with the screw rod (26), and the first transverse rod (24) abuts against the wall of the elevator shaft through the suction disc (27); second holder (3) include second transverse bar (34), second spiral piece (35) and fixed plate (36), second spiral piece (35) with second transverse bar (34) fixed connection, second spiral piece (35) with vertical rod (1) threaded connection, second transverse bar (34) are kept away from the one end fixedly connected with deflector (5) of vertical rod (1), spout (51) have been seted up on deflector (5), sliding connection has slider (52) in spout (51), slider (52) with fixed plate (36) fixed connection, second transverse bar (34) pass through fixed plate (36) and guard gate looks butt.
6. An elevator shaft protective door fixing member according to claim 5, characterized in that: holding tank (37) have been seted up to the one end that second horizontal pole (34) kept away from vertical pole (1), be provided with spring (38) in holding tank (37), the one end of spring (38) with the inner wall fixed connection of holding tank (37), the other end of spring (38) with fixed plate (36) fixed connection.
7. An elevator shaft protective door fixing member according to claim 6, characterized in that: the rubber layer (4) is adhered to the fixing plate (36), and the fixing plate (36) is abutted to the protective door through the rubber layer (4).
8. An elevator shaft protective door, based on the elevator shaft protective door fixing piece of claim 1, characterized in that: the guardrail comprises an identification plate (6), a rail (61) and a plurality of rail columns (62), wherein the number of the rail columns (61) is two, the rail columns (62) are fixedly connected with the two rail columns (61), and the identification plate (6) is fixedly connected with the rail columns (62); the vertical rod (1) is abutted with one of the railing columns (62), and the second clamping piece (3) is abutted with one of the other railing columns (62).
CN202220608578.5U 2022-03-18 2022-03-18 Elevator shaft protective door fixing part and protective door Active CN217229896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220608578.5U CN217229896U (en) 2022-03-18 2022-03-18 Elevator shaft protective door fixing part and protective door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220608578.5U CN217229896U (en) 2022-03-18 2022-03-18 Elevator shaft protective door fixing part and protective door

Publications (1)

Publication Number Publication Date
CN217229896U true CN217229896U (en) 2022-08-19

Family

ID=82844081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220608578.5U Active CN217229896U (en) 2022-03-18 2022-03-18 Elevator shaft protective door fixing part and protective door

Country Status (1)

Country Link
CN (1) CN217229896U (en)

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