Door and window connecting piece convenient to limit

Abstract

The utility model relates to the technical field of door and window connecting pieces, and discloses a door and window connecting piece convenient to limit, which comprises a connecting rod, one end of the connecting rod is rotatably connected to the upper part of an adjusting mechanism, and the other end of the connecting rod is rotatably connected to the lower side of the middle part of a fixing plate; and the outer sides of the racks are fixedly connected to the left and right sides of the upper portion of the guide rail, and the sliding grooves are formed in the left and right sides of the guide rail. According to the door and window connecting piece convenient to limit, the button is pressed down, under the guidance of the limiting rod, the connecting plate drives the tooth block to vertically move downwards, so that the tooth block cannot be meshed with the rack, then the button is pressed while the shell is driven to move front and back until the limiting assembly moves to a proper position, then the button is released, and the limiting assembly is driven to move back and forth. When the window sash is opened, the tooth block is meshed with the rack again, the limiting assembly is fixed, and therefore the opening degree of the window sash can be effectively limited through the connecting rod, and operation is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window connectors, in particular to a door and window connector that is convenient for position limiting. Background Art

[0002] For a long time, doors and windows that can be opened and closed have been installed on buildings. Generally speaking, doors and windows are composed of aluminum door and window frames fixed to the buildings, and door and window sashes slidably installed on the door and window frames. The door and window sashes are composed of a door and window sash body and an aluminum door and window sash frame surrounding the door and window sash body. In daily life, various doors and windows are commonly used items, including rotating doors and windows, sliding doors and windows, etc. Among them, rotating doors and windows are connected to the door frame through door and window connectors, but most of the existing door and window connectors are fixed with screws, and a screwdriver is required for adjustment, which is not convenient to operate. Utility Model Content

[0003] The main purpose of the utility model is to provide a door and window connector that is easy to limit, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the utility model is: a door and window connecting piece that is convenient for limiting position, comprising a connecting rod, one end of which is rotatably connected to the upper part of the adjustment mechanism, and the other end of which is rotatably connected to the lower side of the middle part of the fixing plate;

[0005] The adjustment mechanism includes a guide rail, a rack, a slide groove, a connecting block and a limit assembly. The front part of the limit assembly is arranged at the rear part of the connecting block. The upper end of the connecting block is rotatably connected to the lower part of one end of the connecting rod. The left and right sides of the lower part of the connecting block are slidingly connected to the inside of the slide groove. The outer side of the rack is fixedly connected to the left and right sides of the upper part of the guide rail. The slide groove is opened on the left and right sides of the guide rail.

[0006] Preferably, a plurality of connection holes are provided on the middle portion of the lower side of the guide rail and on the front and rear ends of the fixing plate.

[0007] Preferably, the limit assembly includes a shell, a button, a tooth block, a base plate, a connecting plate, a limit rod and a spring, the upper and lower ends of the limit rod are fixedly connected to the left and right sides of the shell, the left and right sides of the connecting plate are slidably connected to the outer periphery of the limit rod, the lower part of the tooth block is fixedly connected to the left and right sides of the connecting plate, the spring is arranged on the outer periphery of the lower part of the limit rod, the spring is arranged on the lower part of the connecting plate, the lower part of the button is fixedly connected to the middle part of the upper side of the connecting plate, and the upper part of the base plate is arranged at the lower part of the shell.

[0008] Preferably, the left and right outer peripheries of the bottom plate are slidably connected inside the sliding groove.

[0009] Preferably, the upper portion of the tooth block is meshingly connected to the lower portion of the rack.

[0010] Preferably, the upper portion of the shell is slidably connected to a protective cover, and the lower portion of the protective cover is arranged on the outer periphery of the upper portion of the button.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. Fix the fixing plate to the lower part of the window sash through the connecting hole, and fix the adjustment mechanism to the bottom of the window frame. Push the protective cover to one side to expose the button, and then press the button. Under the guidance of the limit rod, the connecting plate drives the tooth block to move vertically downward, so that the tooth block cannot engage with the rack. Then, while pressing the button, drive the housing back and forth until the limit assembly moves to the appropriate position. Then release the button to re-engage the tooth block and the rack, so that the limit assembly is fixed, so that the opening degree of the window sash can be effectively limited by the connecting rod. The operation is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a door and window connector that is convenient for limiting position according to the present invention;

[0014] Figure 2 This is a schematic diagram of the structure of an adjustment mechanism of a door and window connector that is convenient for limiting position in the present utility model;

[0015] Figure 3 This is a schematic structural diagram of a position limiting assembly of a door and window connector that is convenient for position limiting according to the present invention;

[0016] Figure 4 This is a schematic diagram of the internal structure of the shell of a door and window connector that is easy to limit.

[0017] In the figure: 1. Fixed plate; 2. Connecting rod; 3. Adjusting mechanism; 301. Guide rail; 302. Rack; 303. Slide; 304. Connecting block; 305. Limiting assembly; 3051. Housing; 3052. Button; 3053. Tooth block; 3054. Protective cover; 3055. Bottom plate; 3056. Connecting plate; 3057. Limiting rod; 3058. Spring; 306. Connecting hole. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-4 As shown, a door and window connector that is convenient for limiting position includes a connecting rod 2, one end of the connecting rod 2 is rotatably connected to the upper part of the adjustment mechanism 3, and the other end of the connecting rod 2 is rotatably connected to the lower side of the middle part of the fixing plate 1.

[0020] In this embodiment, the adjustment mechanism 3 includes a guide rail 301, a rack 302, a slide groove 303, a connecting block 304 and a limit assembly 305. The front part of the limit assembly 305 is arranged at the rear part of the connecting block 304, the upper end of the connecting block 304 is rotatably connected to the lower part of one end of the connecting rod 2, and the left and right sides of the lower part of the connecting block 304 are slidingly connected to the inside of the slide groove 303. The outer side of the rack 302 is fixedly connected to the left and right sides of the upper part of the guide rail 301, and the slide groove 303 is opened on the left and right sides of the guide rail 301. A plurality of connecting holes 306 are provided on the middle part of the lower side of the guide rail 301 and the front and rear ends of the fixed plate 1.

[0021] Specifically, the fixing plate 1 is fixed to the lower part of the window sash through the connecting hole 306, and the adjusting mechanism 3 is fixed to the bottom of the window frame. By adjusting the position of the limiting component 305 inside the guide rail 301, the opening degree of the window sash can be effectively limited by the connecting rod 2, and the position of the limiting component 305 inside the guide rail 301 is very convenient to adjust.

[0022] In this embodiment, the limit assembly 305 includes a housing 3051, a button 3052, a tooth block 3053, a bottom plate 3055, a connecting plate 3056, a limit rod 3057 and a spring 3058. The upper and lower ends of the limit rod 3057 are fixedly connected to the left and right sides of the housing 3051, the left and right sides of the connecting plate 3056 are slidably connected to the outer periphery of the limit rod 3057, the lower part of the tooth block 3053 is fixedly connected to the left and right sides of the connecting plate 3056, and the spring 3058 is set at the limit rod 305 7, the spring 3058 is set at the lower part of the connecting plate 3056, the lower part of the button 3052 is fixedly connected to the middle part of the upper side of the connecting plate 3056, the upper part of the bottom plate 3055 is set at the lower part of the shell 3051, the left and right peripheries of the bottom plate 3055 are slidably connected to the inside of the slide groove 303, the upper part of the tooth block 3053 is meshed and connected to the lower part of the rack 302, and the upper part of the shell 3051 is slidably connected to the protective cover 3054, and the lower part of the protective cover 3054 is set at the upper periphery of the button 3052.

[0023] Specifically, the protective cover 3054 is pushed to one side so that the button 3052 is exposed, and then the button 3052 is pressed. Under the guidance of the limiting rod 3057, the connecting plate 3056 mobilizes the tooth block 3053 to move vertically downward, so that the tooth block 3053 cannot engage with the rack 302. Then, the button 3052 is pressed while the shell 3051 is driven to move back and forth until the limiting assembly 305 moves to the appropriate position. Then the button 3052 is released to allow the tooth block 3053 to re-engage with the rack 302, so that the limiting assembly 305 is fixed, so that the opening degree of the window sash can be effectively limited by the connecting rod 2, and the operation is very convenient.

[0024] Working principle:

[0025] Fix the fixing plate 1 to the lower part of the window sash through the connecting hole 306, and fix the adjusting mechanism 3 to the bottom of the window frame, push the protective cover 3054 to one side to expose the button 3052, and then press the button 3052. Under the guidance of the limiting rod 3057, the connecting plate 3056 drives the tooth block 3053 to move vertically downward, so that the tooth block 3053 cannot engage with the rack 302, and then press the button 3052 while driving the shell 3051 to move back and forth until the limiting assembly 305 moves to the appropriate position, and then release the button 3052 to make the tooth block 3053 re-engage with the rack 302, so that the limiting assembly 305 is fixed, so that the opening degree of the window sash can be effectively limited by the connecting rod 2, and the operation is very convenient.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A door and window connector that is convenient for limiting position, comprising a connecting rod (2), characterized in that: One end of the connecting rod (2) is rotatably connected to the upper portion of the adjusting mechanism (3), and the other end of the connecting rod (2) is rotatably connected to the lower side of the middle portion of the fixing plate (1); The adjustment mechanism (3) comprises a guide rail (301), a rack (302), a slide groove (303), a connecting block (304) and a limit assembly (305); the front portion of the limit assembly (305) is arranged at the rear portion of the connecting block (304); the upper end of the connecting block (304) is rotatably connected to the lower portion of one end of the connecting rod (2); the left and right sides of the lower portion of the connecting block (304) are slidably connected to the inside of the slide groove (303); the outer side of the rack (302) is fixedly connected to the left and right sides of the upper portion of the guide rail (301); and the slide groove (303) is provided on the left and right sides of the guide rail (301).

2. A door and window connector for facilitating position limiting according to claim 1, characterized in that: A plurality of connection holes (306) are provided in the middle portion of the lower side of the guide rail (301) and at the front and rear ends of the fixing plate (1).

3. The door and window connector for facilitating position limiting according to claim 1, characterized in that: The limiting assembly (305) comprises a housing (3051), a button (3052), a tooth block (3053), a bottom plate (3055), a connecting plate (3056), a limiting rod (3057) and a spring (3058). The upper and lower ends of the limiting rod (3057) are fixedly connected to the left and right sides of the housing (3051). The left and right sides of the connecting plate (3056) are slidably connected to the outer periphery of the limiting rod (3057). The lower portion of the tooth block (3053) is fixedly connected to the left and right sides of the connecting plate (3056). The spring (3058) is arranged on the outer periphery of the lower portion of the limiting rod (3057). The spring (3058) is arranged on the lower portion of the connecting plate (3056). The lower portion of the button (3052) is fixedly connected to the middle portion of the upper side of the connecting plate (3056). The upper portion of the bottom plate (3055) is arranged on the lower portion of the housing (3051).

4. A door and window connector for facilitating position limiting according to claim 3, characterized in that: The outer peripheries of the left and right sides of the bottom plate (3055) are slidably connected to the inside of the sliding groove (303).

5. The door and window connector for facilitating position limiting according to claim 3, characterized in that: The upper portion of the tooth block (3053) is meshedly connected to the lower portion of the rack (302).

6. The door and window connector for facilitating position limiting according to claim 3, characterized in that: The upper portion of the housing (3051) is slidably connected to a protective cover (3054), and the lower portion of the protective cover (3054) is arranged on the outer periphery of the upper portion of the button (3052).

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