Limiting device for top-hung window

Abstract

The limiting device comprises an outer rail, an inner rail, a spring, a fixing block, a pull rod and a connecting piece, the outer rail is installed on the frame edge of the top-hung window, the inner rail is arranged in the outer rail to form a sliding rail structure, the fixing block is fixed to one end of the inner rail, one end of the spring is hung on a hanging groove in the inner wall of the outer rail, and the other end of the spring abuts against the inner end of the fixing block. One end of the pull rod is connected to the inner rail, and the other end of the pull rod is connected with a connecting piece installed on the sash edge. The spring is used for the limiting device, so that the elasticity can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of doors and windows, and in particular to a limiting device for a top-hung window. Background Art

[0002] The limit stays used for top-hung windows on the market are mostly telescopic stays with star wheel positioning, and their structures are prone to failure and damage. Summary of the invention

[0003] In view of the above technical problems, the utility model provides a limit device for a top-hung window, which performs positioning and limiting by a spring, and can adjust the elastic force by adjusting the compression amount of the spring.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a limit device for a top-hung window, the limit device for a top-hung window includes an outer rail, an inner rail, a spring, a fixed block, a pull rod and a connecting plate, the outer rail is installed on the frame edge of the top-hung window, the inner rail is placed in the outer rail to form a sliding rail structure, the fixed block is fixed to one end of the inner rail, one end of the spring is hung on the hanging groove of the inner wall of the outer rail, and the other end abuts the inner end of the fixed block, one end of the pull rod is connected to the inner rail, and the other end of the pull rod is connected to the connecting plate, and the connecting plate is installed on the sash edge.

[0005] Wherein, the fixing block is also provided with an adjusting screw, and the adjusting screw passes through the fixing block and abuts against the other end of the spring, so that the stroke of the spring can be adjusted by moving the adjusting screw in and out relative to the fixing block.

[0006] Among them, the inner rail is provided with a special-shaped nail, and the pull rod is provided with a special-shaped hole snap-in, and the special-shaped hole snap-in is fixed with the special-shaped nail to realize split disassembly and assembly.

[0007] Wherein, limiting bosses are respectively arranged at both ends of the outer rail, and a clamping position is arranged on the inner rail, so as to prevent the window sash from being opened excessively through the cooperation between the clamping position and the limiting boss.

[0008] Wherein, the fixing block is provided with a latch at a position corresponding to the latching position.

[0009] Wherein, the pull rod and the connecting piece are riveted together by rivets.

[0010] Wherein, a gasket is arranged between the pull rod and the connecting plate.

[0011] The beneficial effects of the utility model are as follows: Different from the prior art, the utility model provides a limit device for a top-hung window, including an outer rail, an inner rail, a spring, a fixed block, a pull rod and a connecting piece. The outer rail is installed on the frame edge of the top-hung window, the inner rail is placed inside the outer rail to form a slide rail structure, the fixed block is fixed to one end of the inner rail, one end of the spring is hung on the hanging groove of the inner wall of the outer rail, and the other end abuts the inner end of the fixed block, one end of the pull rod is connected to the inner rail, and the other end of the pull rod is connected to the connecting piece, which is installed on the sash edge. Through such a structural design, when the window sash is not locked, the spring will push the inner rail, the pull rod will push the window sash open to achieve the set angle of the window sash opening, and the window sash will be opened. When the window sash is pulled back, the window sash pushes the inner rail through the pull rod, and the inner rail compresses the spring to achieve the window sash closing. In addition, the elastic force can be adjusted by adjusting the compression amount of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an exploded view of the upper hung window limit device of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the limit device for the open state of the window sash of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the limit device of the utility model in the closed state of the window sash;

[0015] Figure 4 This is a schematic diagram of the assembly of the pull rod and the inner rail of the utility model;

[0016] Figure 5 yes Figure 3 Section view along section line AA;

[0017] Figure 6 It is a schematic diagram of the structure of the limiting boss and the locking position.

[0018] Explanation of the numbers in the figure: 1. Outer rail; 2. Inner rail; 3. Spring; 4. Fixing block; 5. Pull rod; 6. Connecting plate; 7. Hanging slot; 8. Adjusting screw; 9. Special-shaped nail; 10. Special-shaped hole snap-in; 11. Limiting boss; 12. Positioning; 13. Click-in; 14. Rivet; 15. Washer. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of the present invention.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0021] See also Figure 1-Figure 6 , are schematic diagrams of the structure of the limit device for the top-hung window of the utility model and its components.

[0022] As shown in the figure, an embodiment of the utility model provides a limiting device for a top-hung window, whose overall structure includes an outer rail 1, an inner rail 2, a spring 3, a fixing block 4, a pull rod 5 and a connecting piece 6. The outer rail 1 is installed on the frame edge of the top-hung window, the inner rail 2 is placed in the outer rail 1 to form a sliding rail structure, the fixing block 4 is fixed to one end of the inner rail 2, one end of the spring 3 is hung on the hanging groove 7 on the inner wall of the outer rail 1, and the other end abuts against the inner end of the fixing block 4, one end of the pull rod 5 is connected to the inner rail 2, and the other end of the pull rod 5 is connected to the connecting piece 6, and the connecting piece 6 is installed on the sash edge.

[0023] In the limiting device of the utility model, the inner rail slides in the outer rail, and this slide rail structure can ensure smooth sliding. One end of the spring is fixed on the outer rail, and the other end applies a supporting force to the inner rail to hold up the inner rail. The outer rail is directly installed on the frame edge of the top-hung window, one end of the pull rod is connected to the inner rail, and the other end is connected to a connecting piece, which is installed on the sash edge. When the window sash is not locked, the spring will push the inner rail, and the pull rod will push the window sash open, so that the window sash can be opened at the set angle. When the window sash is pulled back, the window sash pushes the inner rail through the pull rod, and the inner rail compresses the spring to close the window sash. The spring is used as a limiting structure, and its elastic force can be adjusted based on actual needs. It has a wider range of adaptability.

[0024] In specific implementation, springs of different lengths or sizes can be selected to meet different elastic force requirements. However, as a specific implementation method, the utility model further provides an adjustment screw with adjustable elastic force to facilitate real-time adjustment of the elastic force.

[0025] In one possible implementation, an adjusting screw 8 is further provided on the fixing block 4 , and the adjusting screw 8 passes through the fixing block 4 and abuts against the other end of the spring 3 , so that the travel of the spring 3 can be adjusted by moving the adjusting screw 8 in and out relative to the fixing block 4 .

[0026] By moving the adjusting screw inward relative to the fixed block 4, the adjusting screw further compresses the spring, making the spring travel smaller. Conversely, by moving the adjusting screw outward, the compression of the spring is gradually reduced until the spring returns to directly abut against the fixed block, at which time the spring travel is maximum. The spring compression amount can be specifically adjusted by the adjusting screw, thereby realizing the elastic force adjustment function.

[0027] Among them, in a possible implementation, a special-shaped nail 9 is provided on the inner rail 2, and a special-shaped hole snap-in 10 is provided on the pull rod 5, and the special-shaped hole snap-in 10 is fixed with the special-shaped nail 9 to achieve split disassembly and assembly.

[0028] For detailed installation, please refer to Figure 4 As shown, the special-shaped hole on the pull rod is just matched with the special-shaped nail, and the special-shaped nail enters through the special-shaped hole, and the special-shaped nail is further rotated so that the special-shaped nail is staggered from the special-shaped hole, thereby completing the installation. When it is necessary to disassemble, the special-shaped nail is rotated so that the special-shaped nail is just turned to the position of the special-shaped hole, and then it can be removed from the special-shaped hole.

[0029] In one possible implementation, limiting bosses 11 are respectively provided at both ends of the outer rail 1, and a latch 12 is provided on the inner rail 2, so as to prevent the window sash from being opened excessively through the cooperation between the latch 12 and the limiting boss 11.

[0030] The two side walls of the front and rear ends of the outer rail are provided with limit bosses, and the inner rail is provided with a snapping position adapted to the limit bosses. When the window sash is opened, the limit boss at the front end of the outer rail just snaps into the snapping position of the inner rail, limiting the further sliding of the slide rail and preventing the window sash from being opened excessively. Figure 6 shown.

[0031] In a possible implementation, a bayonet 13 is provided at a position of the fixing block 4 corresponding to the latching position 12. Through the bayonet design, the bayonet and the latching position cooperate with the limiting boss.

[0032] In one possible implementation, the pull rod and the connecting plate are riveted together by rivets.

[0033] In one possible implementation, a washer is provided between the pull rod and the connecting piece, which can effectively prevent the pull rod and the connecting piece from being damaged due to excessive friction during use of the product, thereby extending the service life of the product.

[0034] From the above detailed description of the limit device for the top-hung window of the utility model in combination with the drawings of the specification, it can be understood that the limit device for the top-hung window of the utility model includes an outer rail, an inner rail, a spring, a fixed block, a pull rod and a connecting piece. The outer rail is installed on the frame edge of the top-hung window, the inner rail is placed in the outer rail to form a slide rail structure, the fixed block is fixed to one end of the inner rail, one end of the spring is hung on the hanging groove of the inner wall of the outer rail, and the other end abuts the inner end of the fixed block, one end of the pull rod is connected to the inner rail, and the other end of the pull rod is connected to the connecting piece, which is installed on the sash edge. Through such a structural design, when the window sash is not locked, the spring will push the inner rail, and the pull rod will push the window sash open to achieve the set angle of the window sash opening to achieve the window sash opening. When the window sash is pulled back, the window sash pushes the inner rail through the pull rod, and the inner rail compresses the spring to achieve the window sash closing. In addition, the elastic force can be adjusted by adjusting the compression amount of the spring.

[0035] In addition, the inner rail and the pull rod can be separated and assembled by using the special-shaped nails and the special-shaped holes.

[0036] In addition, the design of the limiting boss can prevent the window sash from being opened excessively.

[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A limit device for a top-hung window, characterized in that: The limiting device for the top-hung window includes an outer rail, an inner rail, a spring, a fixed block, a pull rod and a connecting plate. The outer rail is installed on the frame edge of the top-hung window, and the inner rail is placed in the outer rail to form a sliding rail structure. The fixed block is fixed to one end of the inner rail. One end of the spring is hung on the hanging groove on the inner wall of the outer rail, and the other end abuts against the inner end of the fixed block. One end of the pull rod is connected to the inner rail, and the other end of the pull rod is connected to a connecting plate, which is installed on the sash edge.

2. The position limiting device for a top-hung window according to claim 1, characterized in that: The fixing block is also provided with an adjusting screw, which passes through the fixing block and abuts against the other end of the spring, so that the stroke of the spring can be adjusted by moving the adjusting screw in and out relative to the fixing block.

3. The position limiting device for a top-hung window according to claim 1, characterized in that: The inner rail is provided with a special-shaped nail, and the pull rod is provided with a special-shaped hole snap-in, and the special-shaped hole snap-in is fixed with the special-shaped nail to realize split disassembly and assembly.

4. The position limiting device for a top-hung window according to claim 1, characterized in that: Limiting bosses are respectively arranged at both ends of the outer rail, and a clamping position is arranged on the inner rail, so as to prevent the window sash from being opened excessively through the cooperation between the clamping position and the limiting boss.

5. The position limiting device for a top-hung window according to claim 4, characterized in that: The fixing block is provided with a snap-in opening at a position corresponding to the snap-in position.

6. The position limiting device for a top-hung window according to claim 1, characterized in that: The pull rod and the connecting sheet are riveted together by rivets.

7. The position limiting device for a top-hung window according to claim 6, characterized in that: A gasket is arranged between the pull rod and the connecting piece.

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