WO2014134759A1 - Protective grille with adjustable size - Google Patents

Protective grille with adjustable size Download PDF

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Publication number
WO2014134759A1
WO2014134759A1 PCT/CN2013/000663 CN2013000663W WO2014134759A1 WO 2014134759 A1 WO2014134759 A1 WO 2014134759A1 CN 2013000663 W CN2013000663 W CN 2013000663W WO 2014134759 A1 WO2014134759 A1 WO 2014134759A1
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WO
WIPO (PCT)
Prior art keywords
tube
shaped connecting
corner
nut
horizontal
Prior art date
Application number
PCT/CN2013/000663
Other languages
French (fr)
Chinese (zh)
Inventor
汤军
Original Assignee
Tang Jun
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Filing date
Publication date
Application filed by Tang Jun filed Critical Tang Jun
Publication of WO2014134759A1 publication Critical patent/WO2014134759A1/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/01Grilles fixed to walls, doors, or windows; Grilles moving with doors or windows; Walls formed as grilles, e.g. claustra
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/01Grilles fixed to walls, doors, or windows; Grilles moving with doors or windows; Walls formed as grilles, e.g. claustra
    • E06B2009/015Mounting details

Definitions

  • the object of the present invention is to provide a size-adjustable protective mesh that can be purchased and installed without requiring a professional to measure the size of the window, which is adjustable in length and width, and can be standardized.
  • the horizontal frame is a rectangular tube as shown in cross-sectional view 3. Obviously, as needed, there are N round holes in the standpipe for connecting the expansion bolts to the wall or window.
  • the long bolt is a standard threaded screw for connecting the nut in the corner code. And strengthen the strength of the mullion or the horizontal frame. Outline.
  • the sleeve is shown in Figure 8.
  • the material can be made of plastic (for easy sawing). It is a small round tube (or rectangular tube) with a square hole in between, and the outer diameter is equal to the vertical tube or the horizontal tube. Connect the bare corner of the corner or T-junction tube.
  • the scale of the sleeve can be scaled for easy sawing.
  • Figure 1 is a schematic illustration of the overall combination of the present invention.
  • Figure 4 is a schematic illustration of the corner code of the present invention.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

Disclosed is a protective grille with adjustable size, comprising a vertical frame (10), a horizontal frame (20), corner braces (30), long bolts (40), blind nuts (50), window patterning (60), T-shaped connecting tubes (70) and sleeves (80), wherein the vertical frame (10) and the horizontal frame (20) are connected via the corner braces (30) to form a rectangle. A long bolt (40) successively passes through the corner brace (30) and the horizontal frame (20), entering a corner brace (30) at the other end, and is connected to a blind nut (50) therein, and a long bolt (40) also successively passes through a corner brace (30) and the vertical frame (10), entering a corner brace (30) at the other end, and is connected to a blind nut (50) therein, while a long bolt (40) also successively passes through a T-shaped connecting tube (70) and a horizontal tube (61) of the window patterning (60), entering a T-shaped connecting tube (70) at the other end, and is connected to a blind nut (50) therein. Furthermore, hollow tubes at the two ends of the horizontal tube (61) of the window patterning (60) are connected to the T-shaped connecting tubes (70), and the sleeves (80) are used to connect exposed parts of the corner braces (30) or the T-shaped connecting tubes (70).

Description

一种尺寸可调的防护网格  An adjustable size protective grid
技术领域 Technical field
本发明属于居室装璜技术领域, 特别是一种尺寸可调的防护网格的结构。 背景技术  The invention belongs to the technical field of room decoration, in particular to the structure of a size-adjustable protective grid. Background technique
现有防护网格一般由框架和网格组成, 其连接方式有三种: 一、 不锈钢材料通过焊接连 接; 二、 铝合金竖管、 横管及窗花通过角码及螺栓连接, 或者榫接。 框架和网格的组装都是 在工厂固定好之后运输到安装现场。 其缺点是: 其长、 宽尺寸必须由专业人员上门测量窗户 尺寸才能确定, 增加成本; 且尺寸众多, 难于规格化生产。 . 发明内容  The existing protective mesh generally consists of a frame and a mesh. There are three connection methods: 1. The stainless steel material is connected by welding; 2. The aluminum alloy vertical pipe, the horizontal pipe and the window flower are connected by corner code and bolt, or spliced. The assembly of the frame and the grid is transported to the installation site after the factory is fixed. The disadvantages are: The length and width of the door must be measured by a professional to measure the size of the window, which increases the cost; and the size is large, making it difficult to standardize the production. Summary of the invention
本发明的目的在于提供一种无需专业人员上门测量窗户尺寸, 长、 宽尺寸可调, 且可以 规格化生产, 方便购买、 安装的尺寸可调的防护网格。  The object of the present invention is to provide a size-adjustable protective mesh that can be purchased and installed without requiring a professional to measure the size of the window, which is adjustable in length and width, and can be standardized.
为实现上述目的, 本发明的技术解决方案是: 一种尺寸可调的防护网格, 如剖视图 1所 示, 包括竖框、 横框、 角码、 长螺栓、 螺帽、 窗花、 τ 字连接管和套管。 其中, 所述的竖框 如图 2所示, 是一段矩形管, 其中一条竖管有 N个圆孔, 用于穿过长螺栓。 显然, 根据需要, 竖管上还有 N个圆孔用于连接膨胀螺栓, 以与墙体或窗户连接。  To achieve the above object, the technical solution of the present invention is: A size-adjustable protective mesh, as shown in cross-sectional view 1, including a mullion, a horizontal frame, a corner code, a long bolt, a nut, a window flower, a τ word connection Tube and casing. The mullion is a rectangular tube as shown in Fig. 2. One of the vertical tubes has N circular holes for passing through the long bolts. Obviously, as needed, there are N round holes in the standpipe for connecting the expansion bolts to the wall or window.
所述的横框如剖视图 3所示, 是一段矩形管。 显然, 根据需要, 竖管上还有 N个圆孔用 于连接膨胀螺栓, 以与墙体或窗户连接。  The horizontal frame is a rectangular tube as shown in cross-sectional view 3. Obviously, as needed, there are N round holes in the standpipe for connecting the expansion bolts to the wall or window.
所述的角码如图 4所示, 其角部是一个矩形块, 矩形块底部有一个下台阶, 用于连接竖 框的内腔。 下台阶上有通孔贯穿矩形块, 用于穿过长螺栓。 下台阶尾端横向有矩形孔, 用于 塞入螺帽。 矩形块旁边有一个上台阶, 用于连接横框的内腔。 上台阶上有通孔贯穿矩形块, 用于穿过长螺栓。 上台阶尾端横向有一个矩形孔, 用于塞入螺帽。  The corner code is as shown in Fig. 4. The corner is a rectangular block, and the bottom of the rectangular block has a lower step for connecting the inner cavity of the vertical frame. A through hole runs through the rectangular block on the lower step for passing through the long bolt. The lower end of the lower step has a rectangular hole in the lateral direction for inserting the nut. There is an upper step next to the rectangular block for connecting the inner cavity of the horizontal frame. A through hole runs through the rectangular block on the upper step for passing through the long bolt. There is a rectangular hole in the lateral direction at the end of the upper step for inserting the nut.
所述的长螺栓是一个标准螺纹的螺杆, 用于连接角码中的螺帽。 并且加强竖框或横框的 强度。 略述。  The long bolt is a standard threaded screw for connecting the nut in the corner code. And strengthen the strength of the mullion or the horizontal frame. Outline.
所述的螺帽是一个标准螺纹的螺帽, 用于连接长螺栓。 略述。  The nut is a standard threaded nut for connecting long bolts. Outline.
图 5所示是横框、 角码、长螺栓与螺帽的连接剖视图。 角码的上台阶与横框的内腔连接。 并且在重叠部分采用螺丝或榫卯结构固定。长螺栓依次穿过角码和横框, 进入另一边的角码, 并与其中的螺帽连接。  Figure 5 is a cross-sectional view showing the connection of the horizontal frame, the corner code, the long bolt and the nut. The upper step of the corner code is connected to the inner cavity of the transverse frame. And in the overlapping part is fixed by screw or 榫卯 structure. Long bolts pass through the corners and the horizontal frame in turn, enter the corner code on the other side, and connect with the nut.
所述的窗花如图 6所示, 由横管和竖管焊接而成(显然,也可由铝材铆接或一体化铸造), 横管两端为空心管, 用于连接 T字连接管。 窗花中心是装饰花型。  The window is as shown in Fig. 6. It is welded by the horizontal tube and the vertical tube (obviously, it can also be riveted or integrally cast by aluminum), and the ends of the horizontal tube are hollow tubes for connecting the T-shaped connecting tubes. The window flower center is a decorative pattern.
所述的 T字连接管如图 7所示, 其主体中间是一个长通孔, 用于穿过长螺栓。 长通孔一 端的两边各有一个螺丝孔, 通过螺丝连接竖管。 长通孔另一端上有一个矩形孔, 用于塞入螺 帽。  The T-shaped connecting pipe is shown in Fig. 7, and a long through hole is formed in the middle of the main body for passing through the long bolt. One end of each side of the long through hole has a screw hole, and the vertical pipe is connected by a screw. The other end of the long through hole has a rectangular hole for inserting the nut.
所述的套管如图 8所示, 材料可以用塑料(以便容易锯切), 是一小段圆管(或矩形管), 其中间是方孔, 外径等于竖管或横管, 用于连接角码或 T字连接管裸露的部分。 套管表面可 以加刻度尺以方便锯切。  The sleeve is shown in Figure 8. The material can be made of plastic (for easy sawing). It is a small round tube (or rectangular tube) with a square hole in between, and the outer diameter is equal to the vertical tube or the horizontal tube. Connect the bare corner of the corner or T-junction tube. The scale of the sleeve can be scaled for easy sawing.
所述的竖框、 横框、 角码、 长螺栓、 螺帽、 窗花、 T字连接管和套管的连接如图 1及图 5 所示,所述的竖框和横框排列成矩形,并用角码连接。所述的角码的下台阶连接竖框的内腔, 上台阶连接横框的内腔。 所述的长螺栓依次穿过角码和竖框, 进入另一边的角码, 并与其 中的螺帽连接。 所述的长螺栓依次穿过角码和横框, 进入另一边的角码, 并与其中的螺帽连 伎。 ^¾ t r 化 tra横官 w¾的 £ 1、官与 T ¥垤揆営连接。 所述的长螺栓依次穿过 τ字连接管 和窗花的横管, 进入另一边的 Τ字连接管, 并与其中的螺帽连接。 所述的套管连接角码或 Τ 字连接管裸露的部分。 The vertical frame, the horizontal frame, the corner code, the long bolt, the nut, the window flower, the T-shaped connecting tube and the sleeve are connected as shown in FIG. 1 and FIG. 5, and the vertical frame and the horizontal frame are arranged in a rectangular shape. And connect with a corner code. The lower step of the corner code connects the inner cavity of the mullion, and the upper step connects the inner cavity of the horizontal frame. The long bolts pass through the corner code and the mullion in turn, enter the corner code of the other side, and are connected to the nut therein. The long bolts pass through the corner code and the horizontal frame in turn, enter the corner code on the other side, and are connected with the nut therein. Hey. ^3⁄4 tr tra traverse w3⁄4 £1, official and T ¥垤揆営 connection. The long bolts pass through the cross tube of the τ-shaped connecting tube and the window sill in turn, enter the Τ-shaped connecting tube on the other side, and are connected with the nut therein. The sleeve is connected to the bare corner of the corner or Τ connecting tube.
显然的, 除以上调节结构之外, 还有类似的结构可实现同样功能。 象这样的简单变换应 属于本技术方案的保护范围。  Obviously, in addition to the above adjustment structure, a similar structure can achieve the same function. A simple transformation like this should fall within the scope of protection of this technical solution.
采用以上方案后, 本发明的有益效果是: 无需专业人员上门测量窗户尺寸, 长、 宽尺寸 可调, 且可以规格化生产, 方便购买、 安装。 附图说明  After adopting the above solution, the beneficial effects of the invention are as follows: no need for a professional to measure the size of the window, the length and the width are adjustable, and the production can be standardized, and the purchase and installation are convenient. DRAWINGS
图 1是本发明整体组合的示意图。  BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of the overall combination of the present invention.
图 2是本发明竖框的示意图。  Figure 2 is a schematic illustration of a mullion of the present invention.
图 3是本发明横框的示意图。  Figure 3 is a schematic illustration of a transverse frame of the present invention.
图 4是本发明角码的示意图。  Figure 4 is a schematic illustration of the corner code of the present invention.
图 5是本发明横框、 角码、 长螺栓与螺帽的连接的剖视图。  Figure 5 is a cross-sectional view showing the connection of the horizontal frame, the corner code, the long bolt and the nut of the present invention.
图 6是本发明窗花的剖视图。  Figure 6 is a cross-sectional view of the sash of the present invention.
图 7是本发明 Τ字连接管的剖视图。  Figure 7 is a cross-sectional view showing the U-shaped connecting pipe of the present invention.
图 8是本发明套管的剖视图。 附图标记说明:  Figure 8 is a cross-sectional view of the sleeve of the present invention. Description of the reference signs:
10、 竖框; 11、 圆孔; 20、 横框; 30、 角码; 31、 矩形块; 32、 下台阶; 33、 通孔; 34、 矩形孔; 35、 上台阶; 36、 通孔; 37、 矩形孔; 40、 长螺栓; 50、 螺帽; 60、 窗花; 61、 横 管; 62、 竖管; 63、 空心管; 64、 装饰花型; 70、 Τ 字连接管; 71、 长通孔; 72、 螺丝孔; 73、 矩形孔; 80、 套管; 81、 方孔。 具体实施方式  10, mullion; 11, round hole; 20, horizontal frame; 30, corner code; 31, rectangular block; 32, lower step; 33, through hole; 34, rectangular hole; 35, upper step; 36, through hole; 37, rectangular hole; 40, long bolt; 50, nut; 60, window grille; 61, horizontal tube; 62, vertical tube; 63, hollow tube; 64, decorative pattern; 70, Τ word connecting tube; Through hole; 72, screw hole; 73, rectangular hole; 80, casing; 81, square hole. detailed description
实施例 1 : Example 1
一种尺寸可调的防护网格, 如剖视图 1所示, 包括竖框 10、 横框 20、 角码 30、 长螺栓 40、 螺帽 50、 窗花 60、 Τ字连接管 70和套管 80。 其中, 所述的竖框 10如图 2所示, 是一段 矩形管, 其中一条竖管 10有 Ν个圆孔 11。  A size-adjustable protective mesh, as shown in cross-sectional view 1, includes a mullion 10, a cross frame 20, a corner 30, a long bolt 40, a nut 50, a window 60, a U-shaped connecting tube 70, and a sleeve 80. The mullion 10 is a rectangular tube as shown in FIG. 2, and one of the vertical tubes 10 has a circular hole 11 therein.
所述的横框 20如剖视图 3所示, 是一段矩形管。  The horizontal frame 20 is a rectangular tube as shown in cross-sectional view 3.
所述的角码 30如图 4所示, 其角部是一个矩形块 31, 矩形块 31底部有一个下台阶 32。 下台阶 32上有通孔 33贯穿矩形块 31。下台阶 32尾端横向有矩形孔 34。矩形块 31旁边有一 个上台阶 35。 上台阶 35上有通孔 36贯穿矩形块 31。 上台阶 35尾端横向有一个矩形孔 37。  The corner code 30 is as shown in Fig. 4, the corner portion of which is a rectangular block 31, and the bottom of the rectangular block 31 has a lower step 32. A through hole 33 is formed in the lower step 32 through the rectangular block 31. The lower end of the lower step 32 has a rectangular hole 34 in the lateral direction. There is an upper step 35 next to the rectangular block 31. The upper step 35 has a through hole 36 extending through the rectangular block 31. The upper end of the step 35 has a rectangular hole 37 in the lateral direction.
所述的长螺栓 40是一个标准螺纹的螺杆。 略述。  The long bolt 40 is a standard threaded screw. Outline.
所述的螺帽 50是一个标准螺纹的螺帽。 略述。  The nut 50 is a standard threaded nut. Outline.
图 5所示是横框 20、 角码 30、 长螺栓 40与螺帽 50的连接剖视图。 角码 30的上台阶 35 与横框 20的内腔连接。 并且在重叠部分采用螺丝固定。 长螺栓 40依次穿过角码 30和横框 20, 进入另一边的角码 30, 并与其中的螺帽 50连接。  Figure 5 is a cross-sectional view showing the connection of the horizontal frame 20, the corner 30, the long bolt 40 and the nut 50. The upper step 35 of the corner 30 is connected to the inner cavity of the horizontal frame 20. And the screws are fixed in the overlapping part. The long bolt 40 passes through the corner code 30 and the horizontal frame 20 in sequence, enters the corner code 30 on the other side, and is coupled to the nut 50 therein.
所述的窗花 60如图 6所示, 由横管 61和竖管 62焊接而成, 横管 61两端为空心管 63。 窗花 60中心是装饰花型 64。  As shown in FIG. 6, the window 60 is welded by a horizontal tube 61 and a vertical tube 62, and the ends of the horizontal tube 61 are hollow tubes 63. The window 60 center is a decorative pattern 64.
所述的 Τ字连接管 70如图 7所示, 其主体中间是一个长通孔 71。 长通孔 71—端的两边 各有一个螺丝孔 72。 长通孔 71另一端上有一个矩形孔 73。 The U-shaped connecting tube 70 is as shown in Fig. 7, and a long through hole 71 is formed in the middle of the main body. Long through hole 71 - two sides of the end Each has a screw hole 72. The other end of the long through hole 71 has a rectangular hole 73.
所述的套管 80如图 8所示, 材料可以用塑料, 是一小段圆管, 其中间是方孔 81 , 外径 等于竖管 10或横管 20。  The sleeve 80 is shown in Fig. 8. The material can be made of plastic. It is a small round tube with a square hole 81 and an outer diameter equal to the vertical tube 10 or the horizontal tube 20.
所述的竖框 10、 横框 20、 角码 30、 长螺栓 40、 螺帽 50、 窗花 60、 T字连接管 70和套 管 80的连接如图 1及图 5所示, 所述的竖框 10和横框 20排列成矩形, 并用角码 30连接。 所述的角码 30的下台阶 32连接竖框 10的内腔, 上台阶 35连接横框 20的内腔。所述的长螺 栓 40依次穿过角码 30和竖框 10, 进入另一边的角码 30, 并与其中的螺帽 50连接。 所述的 长螺栓 40依次穿过角码 30和横框 20, 进入另一边的角码 30, 并与其中的螺帽 50连接。 所 述的窗花 60的横管 61两端的空心管 63与 T字连接管 70连接。 所述的长螺栓 40依次穿过 T 字连接管 70和窗花 60的横管 61, 进入另一边的 T字连接管 70, 并与其中的螺帽 50连接。 所述的套管 80连接角码 30或 T字连接管 70裸露的部分。  The vertical frame 10, the horizontal frame 20, the corner code 30, the long bolt 40, the nut 50, the window 60, the T-shaped connecting tube 70 and the sleeve 80 are connected as shown in FIGS. 1 and 5, and the vertical The frame 10 and the horizontal frame 20 are arranged in a rectangular shape and connected by a corner code 30. The lower step 32 of the corner code 30 connects the inner cavity of the mullion 10, and the upper step 35 connects the inner cavity of the horizontal frame 20. The long bolt 40 passes through the corner code 30 and the mullion 10 in sequence, enters the corner code 30 on the other side, and is coupled to the nut 50 therein. The long bolt 40 passes through the corner code 30 and the horizontal frame 20 in sequence, enters the corner code 30 on the other side, and is connected to the nut 50 therein. The hollow tube 63 at both ends of the horizontal tube 61 of the sash 60 is connected to the T-shaped connecting tube 70. The long bolt 40 passes through the T-shaped connecting tube 70 and the horizontal tube 61 of the window 60 in sequence, enters the T-shaped connecting tube 70 on the other side, and is connected to the nut 50 therein. The sleeve 80 is connected to the bare portion of the corner 30 or T-shaped connecting tube 70.

Claims

权 利 要 求 书 Claims
1一种尺寸可调的防护网格, 包括竖框、 横框、 角码、 长螺栓、 螺帽、 窗花、 T字连接 管和套管, 所述的竖框和横框排列成矩形, 并用角码连接, 其特征是: 所述的长螺栓依次穿 过角码和竖框, 进入另一边的角码, 并与其中的螺帽连接, 所述的长嫘栓依次穿过角码和横 框, 进入另一边的角码, 并与其中的螺帽连接, 所述的窗花的横管两端的空心管与 T字连接 管连接, 所述的长螺栓依次穿过 T字连接管和窗花的横管, 进入另一边的 T字连接管, 并与 其中的螺帽连接, 所述的套管连接角码或 T字连接管裸露的部分。  1 An adjustable size protective grid, comprising a mullion, a horizontal frame, a corner code, a long bolt, a nut, a window flower, a T-shaped connecting tube and a sleeve, wherein the mullion and the horizontal frame are arranged in a rectangular shape and used The corner code connection is characterized in that: the long bolt passes through the corner code and the mullion in sequence, enters the corner code of the other side, and is connected with the nut therein, and the long bolts pass through the corner code and the horizontal direction in turn. a frame, entering the corner code of the other side, and connected to the nut therein, the hollow tube at the two ends of the horizontal tube of the window is connected with the T-shaped connecting tube, and the long bolt sequentially passes through the T-shaped connecting tube and the window flower The horizontal tube enters the T-shaped connecting tube on the other side and is connected to the nut therein, and the sleeve is connected with the corner portion or the exposed portion of the T-shaped connecting tube.
PCT/CN2013/000663 2013-03-05 2013-06-04 Protective grille with adjustable size WO2014134759A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310069723.2 2013-03-05
CN201310069723.2A CN104033090B (en) 2013-03-05 2013-03-05 A kind of protection grid of size adjustable

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CN106948735B (en) * 2014-11-12 2019-02-01 汤小晓 A kind of protective net of size adjustable
CN107642321A (en) * 2017-08-13 2018-01-30 汤军 A kind of tracery structure of safe ready

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JP2005213863A (en) * 2004-01-29 2005-08-11 Sekisui Chem Co Ltd Lattice member, and lattice structure using the saim
CN201246088Y (en) * 2008-08-15 2009-05-27 张树锋 Novel anti-theft net structure
CN201258674Y (en) * 2008-02-28 2009-06-17 余林 Guard rail and connecting piece for steel section bar inserting combination window
CN201301655Y (en) * 2008-11-19 2009-09-02 王�义 Antitheft frame for door and window
CN201424916Y (en) * 2009-02-25 2010-03-17 余林 Window guiderail and connecting pieces thereof

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EP0200497A1 (en) * 1985-04-26 1986-11-05 Mansion Industries, Inc. Grid for windows and the like
JP2003221982A (en) * 2002-01-30 2003-08-08 Panahome Corp Mounting structure for window lattice to window frame
JP2005213863A (en) * 2004-01-29 2005-08-11 Sekisui Chem Co Ltd Lattice member, and lattice structure using the saim
CN201258674Y (en) * 2008-02-28 2009-06-17 余林 Guard rail and connecting piece for steel section bar inserting combination window
CN201246088Y (en) * 2008-08-15 2009-05-27 张树锋 Novel anti-theft net structure
CN201301655Y (en) * 2008-11-19 2009-09-02 王�义 Antitheft frame for door and window
CN201424916Y (en) * 2009-02-25 2010-03-17 余林 Window guiderail and connecting pieces thereof

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CN104033090B (en) 2016-03-02

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