CN216197522U - Horizontal sliding window - Google Patents

Abstract

The utility model provides a horizontal sliding window, and belongs to the technical field of doors and windows. The problem that the existing window sash is likely to have a falling accident in a strong wind environment is solved. This horizontal austral window, sliding sash includes underframe and casement, and horizontal austral window, sliding sash still includes the anticreep hook subassembly, and the anticreep hook subassembly includes anticreep inner hook and anticreep outer hook, the roof fixed connection of anticreep inner hook and underframe, the bottom fixed connection of anticreep outer hook and casement, the anticreep hook subassembly has the limit structure who restricts anticreep outer hook rebound. The bottom of the window sash in the horizontal sliding window is connected with the top wall of the bottom frame through the unhooking prevention assembly, and the unhooking prevention assembly not only effectively limits the upward movement of the window sash, but also limits the outward movement of the window sash, so that the possibility that the window sash is separated from the bottom frame is reduced, and the possibility that the window sash completely falls off from the window frame is further reduced; the horizontal sliding window also has extremely high safety when being applied in the environment with severe weather.

Description

Horizontal sliding window

Technical Field

The utility model belongs to the technical field of doors and windows, and relates to a sliding window, in particular to a horizontal sliding window.

Background

The window sash of the horizontal sliding window moves horizontally, and the rail grooves are formed in the upper portion and the lower portion of the window sash of the horizontal sliding window. The bottom frame structure for the horizontal sliding window is more, such as a lower slide for the sliding window (application number 201220221138.0) and an energy-saving sliding window fixed upper slide section bar (application number 201621308377.4); these profiles, although providing a guide for the sash, form a groove between the two guides, and between the guide and the inside riser. In the in-service use in-process, dust and debris can pile up in the recess, because the recess inner chamber is narrow and small and the dead angle is more, are difficult to clean totally, and then influence aesthetic property and health.

In order to discharge water accumulated in the groove, a strip-shaped through hole is usually formed at the root part of the guide rail, and the structure has the following defects that 1, air flows rapidly through the through hole, the heat insulation effect of the horizontal sliding window is influenced, and the energy saving effect of a building is influenced; 2. insects objectively exist in the room through the through holes, and further the indoor cleanness and sanitation are influenced; 3. in China, the southeast coastal areas often encounter typhoon, a large amount of rainwater is accumulated in the grooves, and strong wind even blows the rainwater back to the indoor.

In order to limit the window sash from moving up and down by a large margin and avoid the window sash from falling off, a limit block is usually installed on the top frame. In the actual installation and use process, the limited block is objectively not installed and separated, and the window sash is very easy to fall off under the condition; even if the limiting block is effectively installed, the window sash falling accident still frequently occurs when the window sash encounters strong wind climate.

Disclosure of Invention

The utility model provides a horizontal sliding window, and aims to solve the technical problem of reducing the possibility of falling of a window sash.

The technical problem to be solved by the utility model can be realized by the following technical scheme: a horizontal sliding window comprises a bottom frame and a window sash and is characterized by further comprising an anti-disengaging assembly, wherein the anti-disengaging assembly comprises an anti-disengaging inner hook and an anti-disengaging outer hook, the anti-disengaging inner hook is fixedly connected with the top wall of the bottom frame, the anti-disengaging outer hook is fixedly connected with the bottom of the window sash, and the anti-disengaging assembly is provided with a limiting structure for limiting the anti-disengaging outer hook to move upwards; and a guide structure is formed between the anti-falling inner hook and the anti-falling outer hook and between the anti-falling inner hook and the window sash.

A guide groove is formed between the anti-falling outer hook and the window sash, and the anti-falling inner hook is embedded into the guide groove, so that the horizontal movement stability of the window sash is improved, the guide rail part can be greatly reduced, and even the guide rail part is eliminated. Compared with the prior art, the bottom of the sash in the horizontal sliding window is connected with the top wall of the bottom frame through the unhooking prevention assembly, the unhooking prevention assembly not only effectively limits the upward movement of the sash, but also limits the movement of the sash towards the outdoor direction, so that the possibility that the sash is separated from the bottom frame is reduced, and the possibility that the sash completely falls off from the window frame is further reduced; the horizontal sliding window also has extremely high safety when being applied in the environment with severe weather.

In the horizontal sliding window, the bottom frame is provided with a plurality of flat plate areas from the indoor side to the outdoor side, and a window sash is arranged above each flat plate area; the quantity of mousing-hook subassembly is the same with dull and stereotyped regional quantity and mousing-hook subassembly and dull and stereotyped regional one-to-one setting. The horizontal sliding window is generally provided with an inner window sash and an outer window sash or an inner window sash, a middle window sash and an outer window sash, and the anti-disengaging hook assemblies are arranged to enable each window sash to be connected with the bottom frame through the anti-disengaging hook assemblies, so that the possibility that all the window sashes are separated from the bottom frame is reduced.

In the horizontal sliding window, the number of the anti-falling inner hooks in each group of anti-falling hook assemblies is one, and the number of the anti-falling outer hooks is one or more; the quantity of the anti-falling outer hooks in the anti-falling hook assembly is the same as that of the window sashes above the corresponding flat plate area, and the anti-falling outer hooks and the window sashes are arranged in a one-to-one correspondence mode. Each of the inner and outer sets of sashes or the inner, middle and outer sets of sashes is generally provided with one sash or two sashes, and when the two sashes are provided, the two anti-falling outer hooks share one anti-falling outer hook, so that the structure is simplified, the structure is compact, and the manufacturing cost of the horizontal sliding window is reduced.

In the horizontal sliding window, the anti-falling inner hook is positioned on the indoor side of the window sash; the length of the anti-drop inner hook is the same as that of the bottom frame; the structure ensures that the window sash can slide horizontally and randomly, and the anti-drop outer hook cannot be separated from the anti-drop inner hook; and a large gap is prevented from being generated between the anti-falling inner hook and the vertical frame of the window frame, so that air flow or insects are prevented from entering a room through the gap.

In the horizontal sliding window, the anti-drop inner hook comprises an inner hook plate part which is vertically arranged, and the anti-drop outer hook comprises an outer hook plate part which is positioned on the inner side of the anti-drop inner hook; the inner hook plate part is positioned between the outer hook plate part and the window sash; the structure can prevent the anti-drop outer hook from moving towards the outdoor side, and further reduce the possibility that the window sash is separated from the bottom frame.

According to the practical situation, the limiting structure can adopt any one of the following schemes: in the horizontal sliding window, the anti-falling inner hook comprises a horizontally arranged top plate part, and the upward movement stroke of the anti-falling outer hook is limited by controlling the gap between the outer hook plate part and the top plate part. Scheme II: in the horizontal sliding window, a bayonet is formed between the bottom edge of the inner hook plate part of the anti-falling inner hook and the flat plate area; the anti-drop outer hook further comprises a bottom plate part penetrating through the clamping opening, and the upward movement stroke of the anti-drop outer hook is limited by controlling the gap between the inner hook plate part and the bottom plate part.

In the horizontal sliding window, the inner hook plate part is provided with the sealing rubber strip, and the sealing rubber strip is depended on the indoor side surface of the window sash. The sealing rubber strip not only improves the sealing performance between the window sash and the inner hook plate part, but also avoids abnormal sound generated by friction between the inner hook plate part and the window sash.

In the above-mentioned horizontal sliding window, a small gap is provided between the outer hook plate portion and the inner hook plate portion. The anti-falling outer hook and the window sash are opposite to the inner hook plate part and the stroke guide structure of the sealing rubber strip, so that the requirement of the guide rail is reduced, a smaller and shorter guide rail can be adopted, and even the guide rail does not need to be arranged; thereby improving the convenience of the bottom frame cleaning.

In the horizontal sliding window, the horizontal sliding window further comprises a top frame, the top of the window sash is embedded into the top frame, and the top frame comprises a second leaning plate part and a first leaning plate part for the indoor side surface of the window sash to lean on; install the spacing subassembly that has the gyro wheel on the casement, spacing subassembly is located between first backup plate portion and the second backup plate portion, goes up the gyro wheel and supports with second backup plate portion and lean on.

In foretell horizontal austral window, sliding sash, spacing subassembly includes bottom plate and pendulum rod, and the bottom plate is fixed on the casement, and the pendulum rod rotates with the bottom plate to be connected, goes up the gyro wheel and installs on the pendulum rod, is connected with adjusting bolt on the bottom plate, is connected through transmission structure between adjusting bolt and the pendulum rod, enables the pendulum rod swing when rotating adjusting bolt.

Drawings

Fig. 1 is a schematic perspective view of a horizontal sliding window.

Fig. 2 is a schematic front view of a horizontal sliding window.

Fig. 3 is a cross-sectional bottom area schematic view of a-a in fig. 2.

Fig. 4 is a schematic sectional structure view of B-B in fig. 3.

FIG. 5 is a cross-sectional top area schematic view of A-A in FIG. 2.

Fig. 6 is a schematic sectional structure view of C-C in fig. 5.

In the figure, 100, window frame; 1. a bottom frame; 1a, an outer frame; 1b, an inner frame; 1c, heat insulation strips; 1d, an upper flat plate area; 1e, a lower flat plate region; 1f, inserting grooves; 1g, a boss; 2. a top frame; 2a, a first leaning plate part; 2b, a second plate support portion; 3. a mullion; 4. a window sash; 4a, a groove at the bottom of the window sash; 4b, a window sash side groove; 4c, a groove at the top of the window sash; 5. an unhooking prevention component; 5a, anti-drop inner hook; 5a1, top plate; 5a2, inner hook plate portion; 5a3, screen guide rail portion; 5a4, a plug part; 5b, anti-drop outer hook; 5b1, connecting part; 5b2, a bottom plate portion; 5b3, outer hook plate portion; 5b4, hanging interface; 6. a limiting component; 6a, a bottom plate; 6b, a swing rod; 6c, an upper roller; 6d, a control panel; 6e, adjusting the bolt; 6f, a spring; 7. a bayonet; 8. sealing rubber strips; 9. a hanging plate; 10. a screw; 11. a lower roller; 12. and (5) reducing the grinding plate.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, a horizontal sliding window includes a window frame 100, a plurality of sashes 4, and an anti-drop hook assembly 5. The window frame 100 comprises a bottom frame 1 and a top frame 2, wherein the bottom frame 1 and the top frame 2 are connected through a vertical frame 3.

As shown in fig. 3 and 4, the bottom frame 1 includes an outer frame 1a and an inner frame 1b, and the outer frame 1a and the inner frame 1b are fixedly connected by a heat insulating strip 1c, so that the bottom frame 1 realizes bridge cut insulation. The top wall of the bottom frame 1 is stepped, so that the top wall has a plurality of flat plate areas, and the drawing of the specification shows that the top wall comprises an upper flat plate area 1d and a lower flat plate area 1e positioned below the upper flat plate area 1d, and the lower flat plate area 1e is positioned at the outer side of the upper flat plate area 1 d. Part of the window sashes 4 are positioned above the lower flat plate area 1e, and the other part of the window sashes 4 are positioned above the upper flat plate area 1 d; the drawing figures in the specification show that the number of the window sashes 4 is two, the window sashes 4 above the lower flat plate area 1e are generally positioned at the outdoor side, and the window sashes 4 above the upper flat plate area 1d are positioned at the indoor side.

The anti-drop hook assembly 5 comprises an anti-drop inner hook 5a and an anti-drop outer hook 5b, the anti-drop inner hook 5a is fixedly connected with the top wall of the bottom frame 1, and the length of the anti-drop inner hook 5a is the same as that of the bottom frame 1; the anti-falling outer hook 5b is fixedly connected with the bottom of the window sash 4; the anti-drop hook assembly 5 has a limit structure for limiting the upward movement of the anti-drop outer hook 5 b. The attached figures in the specification show that the number of the anti-disengaging components 5 is two, the two sets of anti-disengaging components 5 are arranged corresponding to the two window sashes 4 one by one, or the two sets of anti-disengaging components 5 are arranged corresponding to the two flat areas one by one, and the anti-disengaging inner hooks 5a are positioned on the indoor side correspondingly connected with the window sashes 4. The number of the anti-unhooking assemblies 5 and the number of the anti-unhooking outer hooks 5b can be adaptively adjusted according to actual conditions, if the top wall is divided into an upper flat plate area 1d, a middle flat plate area and a lower flat plate area 1e, the number of the anti-unhooking assemblies 5 is three, and the three anti-unhooking assemblies 5 are arranged in one-to-one correspondence with the three flat plate areas; as another example, two sashes 4 are arranged above the upper flat plate region 1d, and two sashes 4 are also arranged above the lower flat plate region 1e, the number of the anti-falling inner hooks 5a in one set of anti-falling hook assemblies 5 is one, the number of the anti-falling outer hooks 5b is two, and the two anti-falling outer hooks 5b are fixedly connected with the two sashes 4 on the same flat plate region in a one-to-one correspondence manner.

The escape-preventing inner hook 5a corresponding to the lower plate region 1e is referred to as a first escape-preventing inner hook 5a, and the escape-preventing inner hook 5a corresponding to the upper plate region 1d is referred to as a second escape-preventing inner hook 5 a. The connecting structure of the first anti-drop inner hook 5a and the second anti-drop inner hook 5a and the bottom frame 1 can be the same or different. The attached drawings of the specification show that the first anti-falling inner hook 5a is connected with the outer side frame 1a of the bottom frame 1 into a whole, so that the anti-falling inner hook 5a is formed when the outer side frame 1a is formed, and the anti-falling inner hook has the advantages of firm connection, reduction in manufacturing cost, reduction in required installation materials and improvement in installation convenience. The attached figures of the specification show that the second anti-falling inner hook 5a is provided with a screen window guide rail part 5a3 and an inserting part 5a4, an inserting groove 1f is formed in an inner side frame 1b of the bottom frame 1, the inserting part 5a4 is embedded into the inserting groove 1f, and the second anti-falling inner hook 5a is bonded with the inner side frame 1b through glue; the second anti-falling inner hook 5a can be adjusted in a applicability manner according to the structure of the screen window, so that the application habits of different consumers are met, and the popularization and the application of the horizontal sliding window are facilitated; this connection structure of second anticreep internal hook 5a and underframe 1 still is convenient for the installation of casement 4, and the casement 4 who is connected with second anticreep internal hook 5a can install on window frame 100 earlier promptly, installs second anticreep internal hook 5a again.

The anti-drop inner hook 5a comprises a horizontally arranged top plate part 5a1 and a vertically arranged inner hook plate part 5a2, wherein the inner hook plate part 5a2 is connected with the top plate part 5a 1; the bayonet 7 is formed between the bottom edge of the inner hook plate part 5a2 of the anti-drop inner hook 5a and the flat plate area. The top plate portion 5a1 and the inner hook plate portion 5a2 are located above the flat plate region, that is, the top plate portion 5a1 and the inner hook plate portion 5a2 of the first retaining inner hook 5a are located above the lower flat plate region 1e, and the top plate portion 5a1 and the inner hook plate portion 5a2 of the second retaining inner hook 5a are located above the upper flat plate region 1 d. The top plate part 5a1 of the first anti-dropping inner hook 5a is flush with the upper flat plate area 1d, so that a groove or a step is avoided, the horizontal sliding window is favorably cleaned, and the rainwater accumulation possibility is reduced.

Install joint strip 8 on interior hook plate portion 5a2, joint strip 8 relies on mutually with the indoor side of casement 4, avoids direct and anticreep inner hook 5a friction of casement 4 to produce the abnormal sound promptly, improves the leakproofness again between casement 4 and the anticreep inner hook 5 a.

The anti-dropping outer hook 5b comprises a connecting part 5b1 connected with the window sash 4, a bottom plate part 5b2 passing through the bayonet 7 and an outer hook plate part 5b3 positioned at the inner side of the anti-dropping inner hook 5 a; the connecting portion 5b1 and the outer hook plate portion 5b3 are connected by the bottom plate portion 5b 2.

The outer hook plate 5b3 is located below the top plate 5a1, and the up-moving stroke of the anti-falling outer hook 5b can be limited by controlling the size of the gap between the outer hook plate 5b3 and the top plate 5a1, so that the window sash 4 is prevented from jumping up and down greatly, the anti-falling outer hook 5b and the anti-falling inner hook 5a are prevented from being separated from each other due to upward movement of the window sash 4, and the falling possibility of the window sash 4 is reduced.

The cross section of the connecting part 5b1 is matched with the shape of the window sash bottom groove 4a, and the connecting part 5b1 is embedded into the window sash bottom groove 4a, so that the firmness and the stability of the connection between the anti-dropping outer hook 5b and the window sash 4 are improved. The connecting portion 5b1 is provided with a hanging port 5b4, a hanging plate 9 is arranged in the groove 4b on the side portion of the window sash, an elbow of the hanging plate 9 penetrates through the hanging port 5b4 and abuts against the bottom surface of the connecting portion 5b1, the hanging plate 9 is fixedly connected with the window sash 4 through a screw 10, and therefore the anti-falling outer hook 5b is fixed on the window sash 4. The length of the anti-dropping outer hook 5b is the same as that of the window sash 4, thereby improving the connection strength between the anti-dropping outer hook 5b and the anti-dropping inner hook 5 a. All be equipped with hitch plate 9 in 4 left sides of casement recesses and the 4 right sides of casement recesses, anticreep outer hook 5 b's both ends all are connected with casement 4 through hitch plate 9 promptly, improve the joint strength of anticreep outer hook 5b and casement 4 from this.

The bottom of the window sash 4 is provided with a lower roller 11, and in order to ensure that the lower roller 11 can contact with the bottom frame 1, the connecting part 5b1 is provided with an escape opening corresponding to the lower roller 11.

The outer hook plate part 5b3 and the inner hook plate part 5a2 are leaned on or have a small gap, the antifriction piece 12 is arranged between the outer hook plate part 5b3 and the inner hook plate part 5a2, the antifriction piece 12 is fixed on the outer hook plate part 5b3, the antifriction piece 12 is arranged to avoid abnormal noise caused by friction between the outer hook plate part 5b3 and the inner hook plate part 5a2, and the sealing performance between the outer hook plate part 5b3 and the inner hook plate part 5a2 is improved.

The inner hook plate part 5a2 and the sealing rubber strip 8 are embedded between the outer hook plate part 5b3 and the window sash 4, and the outer hook plate part 5b3 and the window sash 4 form a guide structure with the outer hook plate part 5b3, so that the horizontal movement stability of the window sash 4 is improved, even a sliding rail is not required to be arranged on the window sash 4, the window sash 4 is effectively limited to swing towards the indoor side or the outdoor side, and the falling possibility of the window sash 4 is obviously reduced. In order to improve the sliding smoothness of the window sash 4, a convex part 1g with a semicircular cross section is arranged on the flat plate area, a groove matched with the cross section of the convex part 1g is formed in the lower roller 11, and the convex part 1g is embedded into the groove. The fine protrusion 1g does not affect the convenience of cleaning the bottom frame 1 and the smoothness of drainage.

Because the clearance between anticreep outer hook 5b and the underframe 1 is less, the clearance is circuitous between the inside outer hook plate portion 5b3 of anticreep outer hook 5b of the inside outer hook of anticreep inner hook 5a and the clearance between the inside outer hook plate portion 5b3 of anticreep outer hook 5b and the casement 4 of anticreep inner hook 5a sets up, and be equipped with between the inside outer hook plate portion 5b3 of anticreep outer hook plate 5b of the outside outer hook plate portion of anticreep inner hook 5a and subtract abrasive disc 12, be equipped with joint strip 8 between the inside outer hook of anticreep inner hook 5a and the casement 4, and then effectively prevent that the air current from getting into indoor through above-mentioned clearance, thoroughly avoid the insect to get into indoor through above-mentioned clearance.

As shown in fig. 5 and 6, the top frame 2 includes first plate rest portions 2a, the number of the first plate rest portions 2a is the same as the number of the flat plate regions, and the first plate rest portions are arranged in one-to-one correspondence; the first back plate portion 2a is located on the indoor side of the window sash 4. The top frame 2 further comprises second plate leaning parts 2b which are arranged corresponding to the first plate leaning parts 2a one by one, and the second plate leaning parts 2b are positioned at the outdoor side of the first plate leaning parts 2 a; the second back plate portion 2b is fitted into the sash top groove 4 c. Two sets of limiting assemblies 6 with upper rollers 6c are installed in the window sash top groove 4c, and the limiting assemblies 6 are positioned between the first leaning plate part 2a and the second leaning plate part 2 b. The sealing rubber strip 8 is mounted on the first leaning plate part 2a, the indoor side face of the window sash 4 abuts against the sealing rubber strip 8, and the wheel surface of the upper roller 6c abuts against the second leaning plate part 2 b. The structure not only realizes the limitation of the inner and outer swinging of the window frame 100 relative to the top frame 2, but also realizes the improvement of the flexibility and the stability of the movement of the window frame 100 relative to the top frame 2; meanwhile, the sealing performance between the window sash 4 and the top frame 2 is improved, so that air flow is effectively prevented from entering a room through a gap between the window sash 4 and the top frame 2, and insects are thoroughly prevented from entering the room through the gap.

The limiting assembly 6 comprises a bottom plate 6a and a swing rod 6b, the bottom plate 6a is fixed on the window sash 4, the middle of the swing rod 6b is rotatably connected with the bottom plate 6a, and two ends of the swing rod 6b are connected with upper rollers 6c, so that the swing rod 6b can be abutted against the second leaning plate part 2b in the swinging direction towards the indoor side or the outdoor side. The bottom plate 6a is connected with a control plate 6d through a guide structure, an adjusting bolt 6e penetrates through the bottom plate 6a, the adjusting bolt 6e is connected with the control plate 6d, and the control plate 6d moves along the guide direction of the guide structure when the adjusting bolt 6e is screwed. An arc-shaped groove is formed in the control plate 6d, and salient points embedded into the arc-shaped groove are arranged on the swing rod 6b, so that the swing rod 6b is forced to swing when the control plate 6d slides. The adjusting bolt 6e is sleeved with a spring 6f, one end of the spring 6f abuts against the bottom plate 6a, the other end of the spring 6f abuts against the control plate 6d, the self-locking capacity of the adjusting bolt 6e is obviously improved under the elastic action of the spring 6f, and the possibility of accidental sliding of the control plate 6d is reduced. Before the window sash 4 is installed, the swing rod 6b is in a swing state, so that the second leaning plate part 2b is favorably embedded into the groove 4c at the top of the window sash; after the window sash 4 is installed in the window frame 100, the adjusting bolt 6e is rotated, and the abutting pressure between the indoor side face of the window sash 4 and the sealing rubber strip 8 is adjusted by screwing the number of turns of the adjusting bolt 6e, so that the horizontal movement resistance of the window sash 4 is adjusted.

Claims (10)

1. A horizontal sliding window comprises a bottom frame (1) and a window sash (4), and is characterized in that the horizontal sliding window further comprises an anti-falling hook assembly (5) with an anti-falling inner hook (5 a) and an anti-falling outer hook (5 b), the anti-falling inner hook (5 a) is fixedly connected with the top wall of the bottom frame (1), the anti-falling outer hook (5 b) is fixedly connected with the bottom of the window sash (4), and the anti-falling hook assembly (5) is provided with a limiting structure for limiting the anti-falling outer hook (5 b) to move upwards; a guide structure is formed between the anti-drop inner hook (5 a), the anti-drop outer hook (5 b) and the window sash (4).

2. The horizontal sliding window according to claim 1, characterized in that the bottom frame (1) has a plurality of flat areas from the indoor side to the outdoor side, each flat area having a window sash (4) disposed thereon; the quantity of the anti-unhooking assemblies (5) is the same as that of the flat plate areas, and the anti-unhooking assemblies (5) are arranged in one-to-one correspondence with the flat plate areas.

3. The horizontal sliding window according to claim 2, characterized in that the number of anti-drop inner hooks (5 a) in each set of anti-drop hook assemblies (5) is one, and the number of anti-drop outer hooks (5 b) is one or more; the anti-falling device is characterized in that the number of anti-falling outer hooks (5 b) in the anti-falling hook assembly (5) is the same as that of window sashes (4) above the corresponding flat plate area, and the anti-falling outer hooks (5 b) are arranged in one-to-one correspondence with the window sashes (4).

4. Horizontal sliding window according to claim 2, characterised in that the anti-escape inner hook (5 a) is located on the indoor side of the sash (4); the length of the anti-drop inner hook (5 a) is the same as that of the bottom frame (1).

5. Horizontal sliding window according to claim 1 or 2 or 3 or 4, characterised in that the anti-escape inner hook (5 a) comprises a vertically arranged inner hook plate section (5 a 2), and the anti-escape outer hook (5 b) comprises an outer hook plate section (5 b 3) located inside the anti-escape inner hook (5 a); the inner hook plate portion (5 a 2) is located between the outer hook plate portion (5 b 3) and the window sash (4).

6. The horizontal sliding window according to claim 5, characterized in that the anti-drop inner hook (5 a) comprises a horizontally arranged top plate part (5 a 1), and the upward moving stroke of the anti-drop outer hook (5 b) is limited by controlling the gap between the outer hook plate part (5 b 3) and the top plate part (5 a 1); or a bayonet (7) is formed between the bottom edge of the inner hook plate part (5 a 2) of the anti-falling inner hook (5 a) and the flat plate area; the anti-drop outer hook (5 b) further comprises a bottom plate part (5 b 2) passing through the bayonet (7), and the upward movement stroke of the anti-drop outer hook (5 b) is limited by controlling the gap between the inner hook plate part (5 a 2) and the bottom plate part (5 b 2).

7. Horizontal sliding window according to claim 5, characterised in that the inner hook plate part (5 a 2) is provided with a sealing strip (8), which sealing strip (8) rests against the inner side of the sash (4).

8. Horizontal sliding window according to claim 5, characterised in that the outer hook plate part (5 b 3) rests against or has a slight clearance with the inner hook plate part (5 a 2).

9. The horizontal sliding window according to claim 1 or 2 or 3 or 4, characterized in that it further comprises a top frame (2), the top of the sash (4) is embedded in the top frame (2), the top frame (2) comprises a second leaning plate part (2 b) and a first leaning plate part (2 a) for the indoor side of the sash (4) to lean on; a limiting component (6) with an upper roller (6 c) is mounted on the window sash (4), the limiting component (6) is located between the first leaning plate portion (2 a) and the second leaning plate portion (2 b), and the upper roller (6 c) abuts against the second leaning plate portion (2 b).

10. The horizontal sliding window according to claim 9, characterized in that the limiting assembly (6) comprises a bottom plate (6 a) and a swing rod (6 b), the bottom plate (6 a) is fixed on the window sash (4), the swing rod (6 b) is rotatably connected with the bottom plate (6 a), the upper roller (6 c) is mounted on the swing rod (6 b), the bottom plate (6 a) is connected with an adjusting bolt (6 e), the adjusting bolt (6 e) is connected with the swing rod (6 b) through a transmission structure, and the swing rod (6 b) can swing when the adjusting bolt (6 e) is rotated.

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