CN215755842U - Compact platform elevator well structure - Google Patents

Compact platform elevator well structure Download PDF

Info

Publication number
CN215755842U
CN215755842U CN202122286340.3U CN202122286340U CN215755842U CN 215755842 U CN215755842 U CN 215755842U CN 202122286340 U CN202122286340 U CN 202122286340U CN 215755842 U CN215755842 U CN 215755842U
Authority
CN
China
Prior art keywords
upright post
section
mounting
piece
mounting mechanism
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.)
Active
Application number
CN202122286340.3U
Other languages
Chinese (zh)
Inventor
牟堂轩
华贡
程剑
杨益锋
邓康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eysar Elevator Co ltd
Original Assignee
Eysar Elevator Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eysar Elevator Co ltd filed Critical Eysar Elevator Co ltd
Priority to CN202122286340.3U priority Critical patent/CN215755842U/en
Application granted granted Critical
Publication of CN215755842U publication Critical patent/CN215755842U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The utility model relates to a compact platform elevator shaft structure, which is characterized in that: the device comprises a first mounting mechanism and a second mounting mechanism which are connected with each other; the first mounting mechanism comprises a first section of upright post and a cross piece; the second mounting mechanism comprises a second section of upright post and a cross piece; the cross piece is arranged around the shaft; the first section of upright post is arranged around the cross piece along the running direction of the elevator; the second section of upright post is arranged around the cross piece along the running direction of the elevator; the first section of upright post and the second section of upright post are connected with each other. Solves the problems of large size, more materials and high cost in the prior proposal. In the existing buildings, the problem of building an elevator shaft without large space is solved for many times.

Description

Compact platform elevator well structure
Technical Field
The utility model relates to the field of elevator shafts, in particular to a compact platform elevator shaft structure.
Background
With the advance of urban construction, the living standard and the construction technology of people are continuously improved, and in numerous house buildings, villas, gerocomiums, even special passages such as subways and hospitals, in order to solve the problem that old people or people with leg and foot failure in advance go upstairs and downstairs inconveniently, a relatively small-sized home elevator is often needed. Elevator refers to a permanent transportation installation serving several specific floors in a building, the car of which runs on at least two rigid tracks moving perpendicularly to the horizontal plane or at an angle of inclination of less than 15 ° to the vertical, a fixed lifting installation serving the specific floors, a vertical lift having a car running between at least two rigid guide rails perpendicular or at an angle of inclination of less than 15 °, the size and the form of construction of the car being such as to facilitate the access or the loading and unloading of the goods by passengers.
An elevator hoistway is a building space designed for installation of elevators. The elevator shaft commonly used at present has a brick-concrete structure, a steel structure and an aluminum alloy structure. In villa elevator design elevator hoistways, the most used are aluminum alloy hoistway structures. The traditional aluminum alloy well structure has large size, more materials and high manufacturing cost. In the existing building, a large space is not available for building the elevator shaft many times, and the elevator shaft with small occupied area and small running space is designed, so that the elevator shaft is imperative. But how to solve this problem becomes crucial.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a compact landing elevator hoistway structure to solve the problems of large size, large material usage and high cost of the prior art. In the existing buildings, the problem of building an elevator shaft without large space is solved for many times.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a compact platform elevator hoistway structure;
the device comprises a first mounting mechanism and a second mounting mechanism which are connected with each other; the first mounting mechanism comprises a first section of upright post and a cross piece; the second mounting mechanism comprises a second section of upright post and a cross piece; the cross piece is arranged around the shaft; the first section of upright post is arranged around the cross piece along the running direction of the elevator; the second section of upright post is arranged around the cross piece along the running direction of the elevator; the first section of upright post and the second section of upright post are connected with each other.
The further technical scheme is as follows: the device also comprises an upright post connecting plate; the upright post connecting plate is respectively connected with the first section of upright post and the second section of upright post through a first fixing piece; the first fixing piece is screwed into the first end of the upright post connecting plate and the first upright post; and the first fixing piece is screwed into the second end of the upright post connecting plate and the second upright post section through threads.
The further technical scheme is as follows: the device also comprises a second connecting piece; the second connecting piece is respectively connected with the first section of upright post and the cross piece; the second connecting piece is respectively connected with the second section of upright post and the cross piece.
The further technical scheme is as follows: the cross piece comprises a first cross beam, a second cross beam and a first connecting piece; the first cross beam and the second cross beam are connected with each other and arranged around a shaft; the first end of the first connecting piece is connected with the first cross beam; and the second end of the first connecting piece is connected with the second cross beam.
The further technical scheme is as follows: the door also comprises a vertical hinged door and a closing plate; the side hung door is arranged on one surface of the first installation mechanism and one surface of the second installation mechanism in a sliding mode respectively; the shrouding setting is in on the first installation mechanism except that other faces of first installation mechanism one side with on the second installation mechanism except that other faces of second installation mechanism one side.
The further technical scheme is as follows: vertical rods are arranged at the positions, close to the vertical hinged door, of the first mounting mechanism and the second mounting mechanism; the vertical rods are respectively connected with the adjacent transverse pieces.
The further technical scheme is as follows: the first mounting mechanism is made of a non-metal material; the second mounting mechanism is made of a non-metal material; the vertical rod is made of a non-metal material.
The further technical scheme is as follows: the first mounting mechanism and the second mounting mechanism are arranged in a parallel manner; mounting pieces are arranged between the adjacent peripheral pieces; and the adjacent peripheral parts are embedded into two ends of the mounting part.
The further technical scheme is as follows: the mounting member comprises a main member disposed about the first section of the column and the second section of the column; the main part is internally provided with a clapboard and an upright column in parallel; the partition plate divides the interior of the main part into a space and an assembly groove; the peripheral piece is embedded into the assembling groove; the upright post is arranged in the space; an adhesive tape is arranged around the peripheral part; the adhesive tape is arranged in the assembling groove.
The further technical scheme is as follows: the first section of upright post is provided with an installation component; the mounting assembly comprises a mounting connecting plate and an expansion bolt; the mounting connecting plate is connected with the first section of upright post; and the expansion bolt penetrates through the mounting connecting plate and is mounted on the wall surface.
Compared with the prior art, the utility model has the following beneficial technical effects: (1) the upper end of the first section of upright post and the lower end of the second section of upright post can be firmly connected through the upright post connecting plate, so that the first mounting mechanism and the second mounting mechanism are firmly connected, the first mounting mechanism and the second mounting mechanism can be quickly connected and mounted through the upright post connecting plate, the mounting time is saved, and the mounting cost is reduced; (2) the first cross beam and the second cross beam are firmly connected through the first connecting piece, so that the structural strength of the cross piece is ensured; (3) the vertical rod is arranged in the first mounting mechanism and the second mounting mechanism in the vertical direction, the upper end and the lower end of the vertical rod are connected with each transverse piece, and the transverse pieces are supported by the vertical rod, so that the structural strength of the first mounting mechanism and the structural strength of the second mounting mechanism are improved; (4) when the peripheral part is embedded into the assembly groove, the adhesive tape is arranged in the assembly groove, and the mounting part is supported by the upright column, so that the structural strength of the mounting part is improved, the mounting part is small in size and can be fixed firmly, and the floor area of an elevator shaft is reduced.
Drawings
Fig. 1 illustrates a front view block diagram of a compact platform elevator hoistway structure according to an embodiment of the present invention.
Fig. 2 shows a top view structural diagram at a in fig. 1.
Fig. 3 shows a front view structural diagram at B in fig. 1.
Fig. 4 shows a front view structural diagram at C in fig. 1.
Fig. 5 shows a top view block diagram at D in fig. 1.
Fig. 6 illustrates a side view block diagram of a compact landing elevator hoistway structure according to an embodiment of the present invention.
Fig. 7 shows a front view structural diagram at E in fig. 6.
In the drawings, the reference numbers: 1. a first mounting mechanism; 11. a first section of upright post; 12. a second section of upright post; 13. a cross member; 14. a first cross member; 15. a second cross member; 16. a first connecting member; 17. a second connecting member; 18. a vertical rod; 2. a second mounting mechanism; 4. a column connecting plate; 41. a first fixing member; 5. a side hung door; 6. closing the plate; 7. a peripheral member; 71. a mounting member; 72. a main part; 73. a partition plate; 74. a space; 75. assembling a groove; 76. a column; 77. an adhesive tape; 8. mounting the component; 81. mounting a connecting plate; 82. and (4) expanding and exploding the bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 illustrates a front view block diagram of a compact platform elevator hoistway structure according to an embodiment of the present invention. Fig. 2 shows a top view structural diagram at a in fig. 1. Fig. 3 shows a front view structural diagram at B in fig. 1. Fig. 4 shows a front view structural diagram at C in fig. 1. Fig. 5 shows a top view block diagram at D in fig. 1. Fig. 6 illustrates a side view block diagram of a compact landing elevator hoistway structure according to an embodiment of the present invention. Fig. 7 shows a front view structural diagram at E in fig. 6. Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the present invention discloses a compact landing elevator hoistway structure. The direction of X in the figure is the upper end of the main view structure diagram of the utility model, and the direction of Y in the figure is the right end of the main view structure diagram of the utility model.
The compact platform elevator hoistway structure includes a first mounting mechanism 1 and a second mounting mechanism 2 connected to each other. The first mounting mechanism 1 includes a first section of upright 11 and a cross member 13. The second mounting mechanism 2 includes a second section of upright 12 and a cross member 13. A cross member 13 is disposed around the hoistway. The first section of the upright 11 is disposed around the cross member 13 in the elevator running direction. The second-section column 12 is disposed around the cross member 13 in the elevator running direction. The first section of upright 11 and the second section of upright 12 are connected to each other.
The first mounting mechanism 1 is disposed in the vertical direction. The second mounting mechanism 2 is arranged at the upper end of the first mounting mechanism 1 in the vertical direction. The cross member 13 is disposed in a horizontal direction. The first section of upright post 11 is arranged in the up-down direction. The second section of upright 12 is arranged in the up-down direction. The upper end of the first section of upright post 11 and the lower end of the second section of upright post 12 are connected with each other.
The compact platform elevator hoistway structure also includes a column connection plate 4. The upright connecting plate 4 is connected with the first upright 11 and the second upright 12 through the first fixing member 41. The first fixing member 41 is screwed into the first end of the column connecting plate 4 and the first section of column 11. The first fixing member 41 is screwed into the second end of the upright connecting plate 4 and the second upright 12.
Preferably, the first fixing member 41 is a stainless steel countersunk screw. The first end of the upright post connecting plate 4 is the lower end of the upright post connecting plate 4. The second end of the upright post connecting plate 4 is the upper end of the upright post connecting plate 4. The first fixing piece 41 is screwed into the lower end of the upright connecting plate 4 and the upper end of the first upright 11. The first fixing piece 41 is screwed into the upper end of the upright connecting plate 4 and the lower end of the second upright 12.
The upper end of the first section of upright 11 and the lower end of the second section of upright 12 can be firmly connected through the upright connecting plate 4, so that the first mounting mechanism 1 and the second mounting mechanism 2 are firmly connected. The first installation mechanism 1 and the second installation mechanism 2 can be quickly connected and installed through the upright post connecting plate 4, so that the installation time is saved, and the installation cost is reduced.
The compact platform elevator hoistway structure also includes a second connection 17. The second connecting piece 17 is respectively connected with the first section of upright post 11 and the cross piece 13. The second connecting piece 17 is respectively connected with the second section of upright post 12 and the cross piece 13.
The second connector 17 is threadedly connected with a second fixing member and a third fixing member. The second connecting piece 17 is respectively arranged on the first section of upright post 11 near the cross piece 13 and the second section of upright post 12 near the cross piece 13.
Preferably, the second fixing member is a screw. Preferably, the third fixing member is a screw. The second fixing member is screwed into the second connecting member 17 and the first-section upright 11. The second fixing member is screwed into the second connecting member 17 and the cross member 13. So that the cross member 13 is firmly mounted on the first section of upright post 11.
The third fixing member is screwed into the second connecting member 17 and the second-section upright 12. The third fixing member is screwed into the second connecting member 17 and the cross member 13. So that the cross member 13 is firmly mounted on the second section of upright post 12.
The cross member 13 includes a first cross member 14, a second cross member 15, and a first connecting member 16. A first beam 14 and a second beam 15 are interconnected disposed around the hoistway. The first connecting member 16 is connected at a first end to the first beam 14.
The second end of the first connecting member 16 is connected to the second beam 15.
The first cross member 14 is disposed in the left-right direction. The second cross member 15 is disposed in the front-rear direction. The first end of the first connecting member 16 is the end of the first connecting member 16 adjacent to the first beam 14. The second end of the first connecting member 16 is the end of the first connecting member 16 adjacent to the second beam 15.
The first connecting member 16 is threadedly connected with a fourth fixing member and a fifth fixing member. Preferably, the fourth fixing member is a screw. Preferably, the fifth fixing member is a screw. The fourth fastener is threaded into the first connector 16 and the first beam 14. The fifth fixing member is screwed into the first connecting member 16 and the second beam 15.
The floor area of the elevator hoistway is reduced by the connection between the first cross beam 14 and the second cross beam 15, and the first cross beam 14 and the second cross beam 15 are firmly connected by the first connecting piece 16, so that the structural strength of the cross piece 13 is ensured.
The compact platform elevator hoistway structure also includes a vertical hinged door 5 and a closure plate 6. The vertical hinged door 5 is arranged on one surface of the first installation mechanism 1 and one surface of the second installation mechanism 2 in a sliding mode respectively. The sealing plate 6 is provided on the other surface of the first mounting mechanism 1 excluding the first mounting mechanism 1 and the other surface of the second mounting mechanism 2 excluding the second mounting mechanism 2.
Vertical direction slip setting is in the one side of first installation mechanism 1 and the one side of second installation mechanism 2 to vertical door 5. The vertical hinged door 5 is positioned between the adjacent first section of the upright post 11 and between the adjacent second section of the upright post 12. The swing door 5 slides along the cross piece 13. The sealing plate 6 seals the other surfaces of the first mounting mechanism 1 except the first mounting mechanism 1 and the other surfaces of the second mounting mechanism 2 except the second mounting mechanism 2.
Vertical rods 18 are arranged at the positions, close to the vertical hinged door 5, of the first installation mechanism 1 and the second installation mechanism 2. The vertical bars 18 are connected to the adjacent cross members 13, respectively.
The vertical rod 18 is vertically arranged in the first mounting mechanism 1 and the second mounting mechanism 2. The upper and lower ends of the vertical bar 18 are connected to the cross members 13. The structural strength of the first mounting mechanism 1 and the structural strength of the second mounting mechanism 2 are improved by the vertical posts 18 supporting the cross member 13.
The first mounting mechanism 1 is made of non-metal material. The second mounting mechanism 2 is made of non-metal material. The vertical rod 18 is made of non-metal material.
The first mounting mechanism 1 is made of, but not limited to, polyester fiber. The second mounting mechanism 2 is made of, but not limited to, polyester fiber. The material of the stem 18 includes, but is not limited to, polyester fiber. The first mounting mechanism 1, the second mounting mechanism 2 and the vertical rod 18 are made of polyester fibers, so that the production cost is reduced.
The compact platform elevator hoistway structure also includes a periphery 7 disposed about the first mounting mechanism 1 and the second mounting mechanism 2. Between adjacent peripheral members 7, mounting members 71 are provided. Adjacent peripheral members 7 are embedded in both ends of the mounting member 71.
The mounting member 71 includes a main member 72 disposed about the first section of the column 11 and the second section of the column 12. The main member 72 has a partition 73 and a column 76 arranged in parallel. Partition 73 divides the interior of main part 72 into space 74 and assembly slot 75. The peripheral member 7 is fitted into the fitting groove 75. The post 76 is disposed in the space 74.
Preferably, the main part 72 is L-shaped. Preferably, the peripheral element 7 is glass. The peripheral members 7 are fitted into both ends of the mounting member 71. Partitions 73 divide the interior of main part 72 into spaces 74 and mounting slots 75 at either end of main part 72. A vertical column 76 is provided in the space 74 in the vertical direction.
A glue strip 77 is provided around the periphery 7. The adhesive tape 77 is placed in the fitting groove 75.
When the peripheral member 7 is fitted into the fitting groove 75, the adhesive tape 77 is placed in the fitting groove 75. The mounting piece 71 is supported by the upright column 76, so that the structural strength of the mounting piece 71 is improved, the mounting piece 71 is small in size, the peripheral piece 7 can still be firmly fixed, and the floor area of an elevator shaft is reduced.
The first section of upright post 11 is provided with a mounting assembly 8. The mounting assembly 8 includes a mounting attachment plate 81 and a pop bolt 82. The mounting connecting plate 81 is connected to the first section of the upright 11. The expansion bolt 82 passes through the mounting connecting plate 81 and is mounted on the wall surface.
After the mounting connecting plate 81 is connected with the expansion bolt 82 of the first section of the upright post 11 and passes through the mounting connecting plate 81, the expansion bolt 82 is embedded into the wall surface, and the first section of the upright post 11 is fixed on the wall surface.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A compact platform elevator well structure which characterized in that: the device comprises a first mounting mechanism and a second mounting mechanism which are connected with each other; the first mounting mechanism comprises a first section of upright post and a cross piece; the second mounting mechanism comprises a second section of upright post and a cross piece; the cross piece is arranged around the shaft; the first section of upright post is arranged around the cross piece along the running direction of the elevator; the second section of upright post is arranged around the cross piece along the running direction of the elevator; the first section of upright post and the second section of upright post are connected with each other.
2. The compact platform elevator hoistway structure of claim 1, wherein: the device also comprises an upright post connecting plate; the upright post connecting plate is respectively connected with the first section of upright post and the second section of upright post through a first fixing piece; the first fixing piece is screwed into the first end of the upright post connecting plate and the first upright post; and the first fixing piece is screwed into the second end of the upright post connecting plate and the second upright post section through threads.
3. The compact platform elevator hoistway structure of claim 1, wherein: the device also comprises a second connecting piece; the second connecting piece is respectively connected with the first section of upright post and the cross piece; the second connecting piece is respectively connected with the second section of upright post and the cross piece.
4. The compact platform elevator hoistway structure of claim 1, wherein: the cross piece comprises a first cross beam, a second cross beam and a first connecting piece; the first cross beam and the second cross beam are connected with each other and arranged around a shaft; the first end of the first connecting piece is connected with the first cross beam; and the second end of the first connecting piece is connected with the second cross beam.
5. The compact platform elevator hoistway structure of claim 1, wherein: the door also comprises a vertical hinged door and a closing plate; the side hung door is arranged on one surface of the first installation mechanism and one surface of the second installation mechanism in a sliding mode respectively; the shrouding setting is in on the first installation mechanism except that other faces of first installation mechanism one side with on the second installation mechanism except that other faces of second installation mechanism one side.
6. The compact platform elevator hoistway structure of claim 5, wherein: vertical rods are arranged at the positions, close to the vertical hinged door, of the first mounting mechanism and the second mounting mechanism; the vertical rods are respectively connected with the adjacent transverse pieces.
7. The compact platform elevator hoistway structure of claim 6, wherein: the first mounting mechanism is made of a non-metal material; the second mounting mechanism is made of a non-metal material; the vertical rod is made of a non-metal material.
8. The compact platform elevator hoistway structure of claim 1, wherein: the first mounting mechanism and the second mounting mechanism are arranged in a parallel manner; mounting pieces are arranged between the adjacent peripheral pieces; and the adjacent peripheral parts are embedded into two ends of the mounting part.
9. The compact platform elevator hoistway structure of claim 8, wherein: the mounting member comprises a main member disposed about the first section of the column and the second section of the column; the main part is internally provided with a clapboard and an upright column in parallel; the partition plate divides the interior of the main part into a space and an assembly groove; the peripheral piece is embedded into the assembling groove; the upright post is arranged in the space; an adhesive tape is arranged around the peripheral part; the adhesive tape is arranged in the assembling groove.
10. The compact platform elevator hoistway structure of claim 1, wherein: the first section of upright post is provided with an installation component; the mounting assembly comprises a mounting connecting plate and an expansion bolt; the mounting connecting plate is connected with the first section of upright post; and the expansion bolt penetrates through the mounting connecting plate and is mounted on the wall surface.
CN202122286340.3U 2021-09-22 2021-09-22 Compact platform elevator well structure Active CN215755842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122286340.3U CN215755842U (en) 2021-09-22 2021-09-22 Compact platform elevator well structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122286340.3U CN215755842U (en) 2021-09-22 2021-09-22 Compact platform elevator well structure

Publications (1)

Publication Number Publication Date
CN215755842U true CN215755842U (en) 2022-02-08

Family

ID=80089463

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122286340.3U Active CN215755842U (en) 2021-09-22 2021-09-22 Compact platform elevator well structure

Country Status (1)

Country Link
CN (1) CN215755842U (en)

Similar Documents

Publication Publication Date Title
CN203794404U (en) Lift shaft
CN106892315A (en) A kind of additional elevator hoistways of framework assembled
JP2001058783A (en) Elevator facility with elevator shaft door
CN111236437A (en) Combined honeycomb building capable of being built quickly
EP2217784B1 (en) Apparatus and method for installing windows in timber frame construction
CN215755842U (en) Compact platform elevator well structure
CN107445022A (en) A kind of female elevator
CN105645223A (en) Integrated lift of steel structure
CN113666227A (en) Compact platform elevator well structure
CN103216007A (en) Pull-and-push type environment-friendly cabin body house unit
US3755967A (en) Hydraulically operated window unit
RU2234451C1 (en) Vertical lift for invalids
CN209127823U (en) A kind of assembling type steel structure elevator
CN213770990U (en) External hanging elevator frame
CN211007747U (en) A assembled structure for installing elevator vestibule additional
CN217105497U (en) Building structure for additionally installing elevator in old house
CN216038056U (en) Prefabricated formula elevator well convenient to transportation
CN212129798U (en) Steel structure of elevator outside building
CN220431967U (en) Elevator well
CN217949855U (en) Elevator mounting structure of old and useless district
CN211548908U (en) Combined building structure for old house additionally provided with elevator to enter home
CN211895620U (en) Elevator shaft
CN211521291U (en) Integrated additional elevator
JP3116979U (en) Bulkhead structure of cab room hoistway for retrofitted elevators for apartment houses
CN214996200U (en) Prevent impaired mechanism of outer hanging curtain hoist and mount

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant