Anti-falling device for sliding window

Abstract

The utility model relates to the technical field of building door and window safety protection, and discloses a sliding window anti-falling device which comprises a window frame, two window sashes are arranged in the middle of the window frame, two sliding rails are arranged at the top and the bottom of the inner wall of the window frame correspondingly, and two sliding strips are arranged at the top and the bottom of each window sash correspondingly. A mounting groove is formed between every two corresponding sliding strips, the two mounting grooves in the top and the bottom of the window sash are formed in the outer sides of the two corresponding sliding rails in a sliding mode, a sliding groove is formed between every two sliding rails, and two anti-falling pieces are arranged in each sliding groove. According to the anti-falling device for the sliding window, the anti-falling pieces are arranged above and below the window sash, so that the gaps between the upper and lower ends of the window sash and the window frame are shortened by the anti-falling pieces, the gaps between the upper and lower ends of the window sash and the window frame are reduced while normal mounting, dismounting, pushing and pulling of the window sash are guaranteed, and the window sash is prevented from falling off from the window frame; and casualties caused by falling of the glass window are prevented.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of building door and window safety protection, in particular to a falling prevention device for a sliding window. BACKGROUND

[0002] In old renovation projects, due to the width limitation of residential corridors, 88 series plastic steel sliding windows are used for the outer windows of public areas. The sliding window has the advantages of not occupying the corridor space, flexible opening, beautiful appearance, and the like. When large glass is used, the lighting in the corridor is increased, and the overall appearance of the building is improved, so the sliding window is supported by the residents. However, nowadays, the events of glass window falling and causing casualties have attracted widespread attention. Improving the construction quality of the outer window and increasing the falling prevention measures of the outer window are the key and difficult points of the old community renovation.

[0003] In order to facilitate the top and bottom of the sliding window sash, a certain gap is left between the top and bottom of the window frame. Due to long-term use or other reasons, the window sash may fall off, and the glass window may fall and cause casualties. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the application provides a falling prevention device for a sliding window, which has the advantages of reducing the gap between the upper and lower ends of the window sash and the window frame while ensuring the normal installation, disassembly and sliding of the window sash, avoiding the window sash from falling off the window frame, and preventing the glass window from falling and causing casualties, and solves the problem that in order to facilitate the top and bottom of the sliding window sash, a certain gap is left between the top and bottom of the window frame, the window sash may fall off due to long-term use or other reasons, and the glass window may fall and cause casualties.

[0005] In order to achieve the above-mentioned purpose of reducing the gap between the upper and lower ends of the window sash and the window frame while ensuring the normal installation, disassembly and sliding of the window sash, avoiding the window sash from falling off the window frame, and preventing the glass window from falling and causing casualties, the application provides the following technical scheme: a falling prevention device for a sliding window, comprising a window frame, two window sashes are arranged in the middle of the window frame, two sliding rails are arranged on the top and bottom of the inner wall of the window frame, two sliding strips are arranged on the top and bottom of the window sash, an installation groove is formed between the two corresponding sliding strips, the two installation grooves on the top and bottom of the window sash are slidably arranged on the outer side of the two corresponding sliding rails, a sliding groove is formed between the two sliding rails, two falling prevention pieces are arranged in the two sliding grooves, the two corresponding falling prevention pieces are symmetrically arranged, an installation plate is arranged at one end of the falling prevention piece, a threaded hole at one end of the installation plate is screwed into the sliding groove, and two falling prevention pieces are arranged at the top and bottom of the window sash.

[0006] Through the above scheme, the anti-falling piece is arranged on the upper and lower sides of the window sash, the gap between the upper and lower ends of the window sash and the window frame is shortened, the normal installation and removal and sliding of the window sash are ensured, the gap between the upper and lower ends of the window sash and the window frame is reduced, the window sash is prevented from falling out of the window frame, and the situation that the glass window falls and causes casualties is avoided.

[0007] Further, the anti-falling piece is provided with a first positioning groove on one side, the first positioning groove is slidably arranged on the outer surface of the middle part of the positioning strip, and the positioning strip is arranged on the inner wall of the sliding groove.

[0008] Through the above scheme, the first positioning groove of the anti-falling piece is slid into one end of the positioning strip, and the anti-falling piece can be conveniently installed in the gap between the window sash and the window frame from one side of the window sash after the window sash is installed.

[0009] Further, the mounting plate is provided with a second positioning groove on one side, the second positioning groove is slidably arranged on the outer surface of the middle part of the positioning strip, and the second positioning groove is in communication with the first positioning groove.

[0010] Through the above scheme, the second positioning groove is slidably arranged on the outer surface of the middle part of the positioning strip, the stability of the positioning strip during installation of the mounting plate is improved, and the second positioning groove can be smoothly slid into the positioning strip when the first positioning groove is slid into the positioning strip.

[0011] Further, one end of the positioning strip is provided with a T-shaped cross section, and the shape of the outer surface of the middle part of the positioning strip is matched with the shapes of the inner walls of the first positioning groove and the second positioning groove.

[0012] Through the above scheme, the T-shaped positioning strip can further position the anti-falling piece and the mounting plate through the first positioning groove and the second positioning groove, the anti-falling piece and the mounting plate can be positioned during installation, and the anti-falling piece and the mounting plate can be conveniently installed.

[0013] Further, the edge of the entrance of the first positioning groove away from the mounting plate is provided with an inverted bevel.

[0014] Through the above scheme, the inverted bevel of the edge of the entrance of the first positioning groove makes the first positioning groove conveniently and smoothly slide into the positioning strip.

[0015] Further, the positioning strip is provided with two positioning plates on both sides of the middle part, and the two positioning plates are located at the center of the sliding groove.

[0016] Through the above scheme, the positioning plates can position the installation positions of the anti-falling pieces, and the two anti-falling pieces in the same group are positioned at the center of the sliding groove.

[0017] Further, the end of the anti-falling piece away from the mounting plate is provided with sealing wool through the fixing strip.

[0018] Through the above scheme, the gap between the sliding groove and the corresponding sliding strip can be sealed through the sealing wool, thereby increasing the overall sealing performance of the window.

[0019] Further, the combined width of the two sealing wools at one end of the two anti-falling pieces in the same group is greater than the distance between the two anti-falling pieces, and the two sealing wools are in interference fit.

[0020] Through the above scheme, the corresponding two sealing wools are extruded by the two corresponding anti-falling pieces during installation, so that the two corresponding sealing wools are extruded and fitted with each other, the sealing wools of the two corresponding sealing wools are crossed with each other, and the sealing effect of the sealing wools on the gap between the sliding groove and the corresponding sliding strip is further improved.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The anti-falling device of the sliding window shortens the gap between the upper and lower ends of the sash and the window frame through the anti-falling pieces above and below the sash, thereby achieving the effect of reducing the gap between the upper and lower ends of the sash and the window frame while ensuring normal installation, disassembly and sliding of the sash, avoiding the sash from falling out of the window frame, and preventing the situation of glass window falling and causing personnel casualties. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a three-dimensional structure schematic diagram of the present application;

[0024] Figure 2 is a right side cross-sectional structure schematic diagram of the present application;

[0025] Figure 3 is a front cross-sectional structure schematic diagram of the present application;

[0026] Figure 4 is a top view cross-sectional structure schematic diagram of the present application;

[0027] Figure 5 is an installation structure schematic diagram of the anti-falling piece in the sliding groove of the present application;

[0028] Figure 6 is a schematic diagram of the opening positions of the first positioning groove and the second positioning groove.

[0029] In the figure:

[0030] 1, window frame; 2, sash; 3, sliding strip; 4, sliding rail; 5, sliding groove; 6, anti-falling piece; 7, mounting plate; 8, screw; 9, positioning strip; 10, first positioning groove; 11, second positioning groove; 12, positioning plate; 13, sealing wool; 14, mounting groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0032] Please refer to Figure 2 , Figure 3 and Figure 5 , the push-pull window anti-falling device in the embodiment comprises a window frame 1, two window sashes 2 are arranged in the middle of the window frame 1, two sliding rails 4 are arranged on the top and bottom of the inner wall of the window frame 1, two sliding strips 3 are arranged on the top and bottom of the window sash 2, an installation groove 14 is formed between the two corresponding sliding strips 3, the two installation grooves 14 on the top and bottom of the window sash 2 are slidingly arranged on the outer side of the two corresponding sliding rails 4, a sliding groove 5 is formed between the two sliding rails 4, two anti-falling pieces 6 are arranged in the two sliding grooves 5, the two corresponding anti-falling pieces 6 are symmetrically arranged, the anti-falling piece 6 is provided with an installation plate 7 at one end, the threaded hole at one end of the installation plate 7 is screwed with a screw 8 in the sliding groove 5, and the four anti-falling pieces 6 are arranged in two groups at the top and bottom of the window sash 2.

[0033] Please refer to Figure 2 , Figure 3 and Figure 5 , a first positioning groove 10 is formed on one side of the anti-falling piece 6, the first positioning groove 10 is slidingly arranged on the outer surface of the middle of the positioning strip 9, the positioning strip 9 is arranged on the inner wall of the sliding groove 5, and the first positioning groove 10 of the anti-falling piece 6 is slid into one end of the positioning strip 9, so that the anti-falling piece 6 can be conveniently installed at the gap between the window sash 2 and the window frame 1 from one side of the window sash 2 after the window sash 2 is installed.

[0034] Please refer to Figure 3 , Figure 4 and Figure 6 , a second positioning groove 11 is formed on one side of the installation plate 7, the second positioning groove 11 is slidingly arranged on the outer surface of the middle of the positioning strip 9, the second positioning groove 11 is in communication with the first positioning groove 10, the positioning strip 9 is slid on the outer surface of the middle of the positioning strip 9 through the second positioning groove 11, the stability of the positioning strip 9 during installation of the installation plate 7 is increased through the second positioning groove 11, and the second positioning groove 11 can be smoothly slid into the positioning strip 9 when the first positioning groove 10 is slid into the positioning strip 9 and installed.

[0035] Please refer to Figure 2 , Figure 3 and Figure 6The positioning strip 9 is provided with a T-shaped section at one end, the outer surface of the middle part of the positioning strip 9 is shaped to match the shape of the inner wall of the first positioning groove 10 and the second positioning groove 11, and the T-shaped positioning strip 9 can further position the anti-falling piece 6 and the mounting plate 7 in the first positioning groove 10 and the second positioning groove 11, so that the anti-falling piece 6 and the mounting plate 7 can be positioned during installation, and then the anti-falling piece 6 and the mounting plate 7 can be conveniently installed.

[0036] Please refer to Figure 6 The edge of the entrance of the first positioning groove 10 away from the mounting plate 7 is provided with an inverted bevel, and the inverted bevel of the edge of the entrance of the first positioning groove 10 away from the mounting plate 7 can make the first positioning groove 10 conveniently and smoothly slide into the positioning strip 9.

[0037] Please refer to Figure 3 and Figure 4 The positioning strip 9 is provided with two positioning plates 12 at the middle part of the two sides, and the two positioning plates 12 are located at the center of the sliding groove 5, so that the installation position of the anti-falling piece 6 can be positioned, and the two anti-falling pieces 6 in the same group can be positioned at the center of the sliding groove 5.

[0038] Please refer to Figure 3 、 Figure 5 and Figure 6 The anti-falling piece 6 is provided with a sealing strip 13 at one end away from the mounting plate 7 through the fixing strip, and the sealing strip 13 can seal the gap between the sliding groove 5 and the corresponding sliding strip 3, thereby increasing the overall sealing performance of the window.

[0039] Please refer to Figure 3 The combined width of the two sealing strips 13 provided at one end of the two anti-falling pieces 6 in the same group is greater than the distance between the two anti-falling pieces 6, and the two sealing strips 13 are in interference fit, so that the two corresponding sealing strips 13 are pressed when the two corresponding anti-falling pieces 6 are installed, the sealing strips 13 are pressed and fitted with each other, the sealing hairs of the two corresponding sealing strips 13 are crossed with each other, and the sealing effect of the sealing strips 13 on the gap between the sliding groove 5 and the corresponding sliding strip 3 is further improved.

[0040] The anti-falling device of the sliding window in the embodiment is provided with the anti-falling piece 6 above and below the window sash 2, so that the anti-falling piece 6 shortens the gap between the upper and lower ends of the window sash 2 and the window frame 1, thereby achieving the effect of reducing the gap between the upper and lower ends of the window sash 2 and the window frame 1 while ensuring the normal installation, disassembly and sliding of the window sash 2, avoiding the window sash 2 from falling out of the window frame 1, and preventing the situation of glass window falling and causing personnel injury.

[0041] The working principle of the above embodiment is that when the anti-falling piece 6 is installed, one end of the first positioning groove 10 of the two anti-falling pieces 6 is respectively sleeved on the outer surface of the middle part of the positioning strip 9 from both ends of the positioning strip 9, the anti-falling piece 6 is pushed, the middle inner wall of the first positioning groove 10 slides on the outer surface of the middle part of the positioning strip 9, at the same time, the second positioning groove 11 is sleeved on the outer surface of the middle part of the positioning strip 9, until one end of the anti-falling piece 6 contacts one side of the positioning plate 12, the anti-falling piece 6 is moved to the specified installation position, the mounting plate 7 is fixed on the sliding groove 5 by using the screw 8 through the threaded hole of the mounting plate 7, the position of the anti-falling piece 6 is fixed, when the two anti-falling pieces 6 of the same group are installed in the specified position, the two sealing wool strips 13 are extruded, the sealing wool of the two sealing wool strips 13 is crossed with the adjacent sealing wool, the gap between the sliding groove 5 and the corresponding sliding strip 3 is sealed, when the two groups of anti-falling pieces 6 are respectively installed in the sliding grooves 5 at the upper and lower ends of the inner side of the window frame 1, the gap between the upper and lower ends of the window sash 2 and the two sliding grooves 5 is shortened, and the mounting groove 14 is prevented from falling off the sliding rail 4 when the window sash 2 moves up and down in the window frame 1.

[0042] It should be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0043] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since the scope of the application is defined with respect to the appended claims.

Claims

1. A fall arrest device for a sliding sash window comprising a window frame (1) characterised in that: The window frame (1) is divided into two window sashes (2), the top and bottom of the inner wall of the window frame (1) is provided with two sliding rails (4), the top and bottom of the window sash (2) is provided with two sliding strips (3), two corresponding sliding strips (3) form an installation groove (14), the two installation grooves (14) of the top and bottom of the window sash (2) are slidably arranged on the outer side of the two corresponding sliding rails (4), the four sliding rails (4) form a sliding groove (5) between each other, two anti-falling pieces (6) are arranged in the two sliding grooves (5), two corresponding anti-falling pieces (6) are symmetrically arranged, one end of the anti-falling piece (6) is provided with a mounting plate (7), one end of the mounting plate (7) is screwed into the sliding groove (5) through a screw (8), and four anti-falling pieces (6) are arranged in two groups at the top and bottom of the window sash (2).

2. A fall arrest device for a sliding window according to claim 1, wherein: The anti-falling piece (6) is provided with a first positioning groove (10) on one side, the first positioning groove (10) is slidably arranged on the outer surface of the middle part of the positioning strip (9), and the positioning strip (9) is arranged on the inner wall of the sliding groove (5).

3. The anti-falling device of a sliding window according to claim 1, characterized in that: The mounting plate (7) is provided with a second positioning groove (11) on one side, the second positioning groove (11) is slidably arranged on the outer surface of the middle part of the positioning strip (9), and the second positioning groove (11) is in communication with the first positioning groove (10).

4. The anti-falling device of a sliding window according to claim 2, characterized in that: The positioning strip (9) is provided with a T-shaped cross section at one end, and the shape of the outer surface of the middle part of the positioning strip (9) is adapted to the shape of the inner wall of the first positioning groove (10) and the second positioning groove (11).

5. A fall arrest device for a sliding window according to claim 2, wherein: The edge of the first positioning groove (10) is provided with an inverted bevel at the entrance away from the mounting plate (7).

6. A fall arrest device for a sliding window according to claim 2, wherein: The positioning strip (9) is provided with two positioning plates (12) on the two sides of the middle part, and the two positioning plates (12) are located at the center of the sliding groove (5).

7. A fall arrest device for a sliding window according to claim 1, wherein: The anti-falling piece (6) is provided with a sealing wool strip (13) at one end away from the mounting plate (7) through a fixing strip.

8. A fall arrest device for a sliding window according to claim 7, wherein: The combined width of the two sealing wool strips (13) provided at one end of the two anti-falling pieces (6) in the same group is greater than the distance between the two anti-falling pieces (6), and the two sealing wool strips (13) are in interference fit.

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