A window opening system for bottom-hung windows

Abstract

The utility model relates to the technical field of window openers, and in particular to a window opening system for a bottom-hung window, comprising a window body, a window sash and a screw-type window opener arranged on the window body, the screw-type window opener comprising an outer shell, a driving tube installed in the outer shell and hinged to the window sash, and a driving component installed in the outer shell for driving the driving tube to move in and out, a mounting crossbeam is horizontally provided on the side of the window body away from the window sash, two mounting plates are sleeved on the mounting crossbeam, the suspended end of the mounting plate is arranged downward in a vertical direction, a clamping hole is provided thereon, and clamping blocks clamped with the clamping holes are provided on both side surfaces of the outer shell. The beneficial effects of the utility model are: facilitating the installation and disassembly of the screw-type window opener.

Description

Technical Field

[0001] The utility model relates to the technical field of windows, in particular to a window opening system for a bottom-hung window. Background Art

[0002] In order to open and close windows safely and conveniently, window openers have appeared on the market. The utility model with patent number CN 207436787U discloses a hand-cranked screw window opener window, comprising a window body (1), a window sash (2), and a screw window opener arranged on the window body (1), wherein the screw window opener comprises a shell mounted on the window body (1), a screw mounted in the shell and hinged to the window sash (2), and a driving component mounted in the shell for driving the screw to move in and out, wherein the shell is connected to a rotating handle for controlling the driving component, and the driving component comprises a meshing first bevel gear (22) and a second bevel gear (21), wherein the first bevel gear (22) is connected to the rotating handle, and the second bevel gear (21) is meshed with the screw, wherein the screw window opener is mounted on the window body through the shell, but the document lacks a specific description, and it is impossible to know what the connection structure between the shell and the window is. In actual use, a connection structure that is easy to install is required to facilitate the installation and maintenance of the screw window opener. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a window opening system for a bottom-hung window in view of the deficiencies of the above-mentioned prior art, so as to facilitate the installation and disassembly of a screw-type window opener.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a window opening system for a bottom-hung window, comprising a window body, a window sash and a screw-type window opener arranged on the window body, the screw-type window opener comprising an outer shell, a driving tube installed in the outer shell and hinged to the window sash, and a driving component installed in the outer shell for driving the driving tube in and out, characterized in that: a mounting beam is horizontally provided on the side of the window body away from the window sash, two mounting plates are sleeved on the mounting beam, the suspended end of the mounting plate is arranged downward in a vertical direction, a clamping hole is provided on it, and clamping blocks are provided on both side surfaces of the outer shell for clamping with the clamping hole.

[0005] The utility model with the above-mentioned characteristics: by arranging a snap-in block on the outer shell to cooperate with the snap-in hole on the mounting plate, during installation, the connection between the screw-type window opener and the window body can be achieved by simply snapping the snap-in block into the snap-in hole, thereby improving the assembly and disassembly speed; the mounting plate sleeved on the mounting beam can adjust its position on the mounting beam according to actual needs.

[0006] A further configuration of the utility model is: the snap-in hole includes two sections of arc-shaped hole walls and a protruding hole wall located between the two sections of the arc-shaped hole walls; the snap-in block includes a cylindrical body and a protruding piece arranged on the outer peripheral wall of the cylindrical body; the shape of the protruding piece is the same as the shape of the protruding hole wall; the end face of the protruding piece remains flush with the end face of the cylindrical body.

[0007] The utility model with the above-mentioned characteristics: by providing the protruding hole wall and the protruding sheet, during assembly, the clamping block is inserted into the clamping hole, and the clamping block is rotated to make the protruding sheet and the protruding hole wall misaligned, so that the clamping block and the clamping hole can be clamped, simplifying the installation structure of the installation sheet and the screw-type window opener.

[0008] A further configuration of the utility model is: the driving component includes a screw rod placed in an outer shell, a nut sleeve threadably sleeved on the outside of the screw rod, and a transmission assembly arranged at one end of the screw rod, the nut sleeve is connected to the end of the driving tube, the transmission assembly includes a first bevel gear plugged into the screw rod, a second bevel gear meshing with the first bevel gear, a driving rod is passed through the central axis of the second bevel gear, and the end of one end of the driving rod extends to the outside of the outer shell and is connected to a driving source.

[0009] The utility model with the above-mentioned characteristics: the driving source drives the spiral rod to rotate in the outer shell, so that the nut sleeve drives the driving tube to reciprocate along its axial direction, and the end of the driving tube located outside the outer shell is telescopic relative to the outer shell to achieve the effect of the window opener controlling the opening and closing of the window sash; the transmission assembly adopting this structure can drive the first bevel gear to rotate by rotating the driving rod so that the second bevel gear drives the first bevel gear to rotate, thereby driving the spiral rod to work, and one end of the driving rod is arranged outside the outer shell, which is convenient for installing an electric driving source or manual operation.

[0010] A further arrangement of the utility model is: a polygonal cylinder extending to the outer shell is provided on the driving rod, a connecting shaft is sleeved on the polygonal cylinder, the connecting shaft is arranged in a horizontal direction, and an end thereof away from the polygonal cylinder is connected to a steering gear, a universal joint arranged in a vertical direction is provided on the downward end surface of the steering gear, a first connecting rod is connected to the end of the universal joint, a second connecting rod is hingedly connected to the end of the first connecting rod not connected to the universal joint, and a handle rod is hingedly connected to the end of the second connecting rod not hinged to the first connecting rod.

[0011] The utility model with the above characteristics: by setting the connecting shaft, the steering gear and the universal joint, the direction of the force is changed, and the first connecting rod, the second connecting rod and the handle rod form a hand crank to realize the manual operation of the screw-type window opener.

[0012] A further configuration of the utility model is: the outer shell includes an outer circular tube, a first transmission housing and a second transmission housing, the outer circular tube is sleeved outside the driving tube, the first transmission housing and the second transmission housing are detachably connected, and an installation cavity is formed between the two, a connecting sleeve is detachably connected inside the outer circular tube, the spiral rod passes through the connecting sleeve, and one end of the connecting sleeve is detachably connected to the first transmission housing and the second transmission housing at the same time.

[0013] The utility model with the above-mentioned characteristics: the outer shell of the one-piece molded structure is arranged as a modular structure including an outer cylindrical tube, a first transmission shell and a second transmission shell, and the three are all detachably connected. Such a modular structure can be pre-assembled separately and then assembled as a whole, thereby improving production efficiency; by arranging a connecting sleeve, the connection between the outer cylindrical tube and the first transmission shell and the second transmission shell is realized, and the maintainability of the window opener is enhanced. When a part of the outer shell is damaged, it only needs to be replaced separately, without replacing the entire outer shell, thereby reducing maintenance costs.

[0014] A further arrangement of the utility model is that the connecting sleeve includes a connecting ring body, and a plurality of spaced connecting blocks are arranged around the end surface of the connecting ring body facing the driving tube, and a plurality of first threaded holes are arranged on the outer peripheral wall of the connecting ring body and evenly distributed along its axis, and a plurality of first mounting holes are correspondingly arranged on the outer circular tube, and a fastener threadedly connected to the first threaded hole is installed in the first mounting hole, and a second threaded hole is penetrated on the end surface of the connecting ring body, and a third threaded hole adapted to the second threaded hole is arranged on the end surfaces of the first transmission housing and the second transmission housing, and a fastener threadedly connected to the third threaded hole is installed in the second threaded hole.

[0015] The utility model with the above-mentioned characteristics: a first threaded hole for connecting with the outer cylindrical tube is arranged on the outer peripheral wall of the connecting ring body, which adapts to the fitting relationship between the connecting sleeve and the outer cylindrical tube; a second threaded hole for connecting with the first transmission housing and the second transmission housing is arranged on the end face of the connecting ring body, which adapts to the fitting relationship between the connecting sleeve and the end faces of the first transmission housing and the second transmission housing.

[0016] A further configuration of the utility model is that at least two first assembly holes are symmetrically provided on the first transmission housing, and a second assembly hole matching the first assembly hole is correspondingly provided on the second transmission housing, and the first assembly hole is connected to the second assembly hole by a fastener.

[0017] The utility model with the above characteristics: the first transmission housing and the second transmission housing are detachably connected by fasteners, which is convenient for assembly.

[0018] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0020] Figure 2 for Figure 1 A partial enlarged view of point G in the middle.

[0021] Figure 3 It is an exploded view of the mounting plate and the screw-type window opener according to an embodiment of the utility model.

[0022] Figure 4 It is a schematic structural diagram of a screw-type window opener according to an embodiment of the utility model.

[0023] Figure 5 It is an exploded view of the housing and the connecting sleeve of the embodiment of the utility model.

[0024] Figure 6 This is an exploded view of a screw-type window opener according to an embodiment of the utility model.

[0025] Figure 7 The structure of the connecting sleeve of the utility model embodiment is shown in FIG. Figure 1 .

[0026] Figure 8 The structure of the connecting sleeve of the utility model embodiment is shown in FIG. Figure 2 .

[0027] Fig. 9 It is a partial structural schematic diagram of an embodiment of the utility model.

[0028] Fig.10 for Fig. 9 Sectional view of AA. DETAILED DESCRIPTION

[0029] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0030] like Figure 1-10The window opening system of a bottom-hung window shown in the figure comprises a window body b, a window sash c and a screw-type window opener a arranged on the window b, the screw-type window opener a comprises a shell a1, a driving tube a2 installed in the shell a1 and hinged to the window sash c, and a driving component installed in the shell a1 for driving the driving tube a2 to move in and out, the end of the driving tube a2 is provided with a connecting head a8 hinged to the window sash, a front end cover a9 is provided at a port at one end of the shell a1, the other end of the driving tube a2 is slidably penetrated through the front end cover a9 and is located outside the shell a1, the driving component comprises a screw rod a3 arranged in the shell a1, a nut sleeve a4 threadably sleeved on the outside of the screw rod a3, and a transmission component arranged at one end of the screw rod a3, the nut sleeve a4 is connected to the end of the driving tube a2, and the transmission component comprises a first bevel gear a51 plugged into the screw rod a3, a second bevel gear a52 meshed with the first bevel gear a51, and a second bevel gear a53 meshed with the first bevel gear a53. A driving rod a53 is passed through the central axis of the gear a52, and the end of one end of the driving rod a53 extends to the outside of the shell a1. The driving rod a53 is provided with a polygonal column a531 extending to the shell a1, and a connecting shaft d1 is sleeved on the polygonal column a531. The connecting shaft d1 is arranged in the horizontal direction, and its end away from the polygonal column a531 is connected to a steering gear d2, and a universal joint d3 arranged in the vertical direction is provided on the downward end surface of the steering gear d2, and a first connecting rod d4 is connected to the end of the universal joint d3, and a second connecting rod d5 is hinged to the end of the first connecting rod d4 that is not connected to the universal joint d3, and a handle rod d6 is hinged to the end of the second connecting rod d5 that is not hinged to the first connecting rod d4. When the handle rod is not in use, the handle rod, the first connecting rod and the second connecting rod naturally droop. When the handle rod is used for operation, the handle rod, the first connecting rod and the second connecting rod are bent into a Z shape.

[0031] The housing a1 comprises an outer tube a11, a first transmission housing a12 and a second transmission housing a13. The outer tube a11 is sleeved outside the driving tube a2. The front end cover a9 is arranged at the port of the outer tube a11. The first transmission housing a12 and the second transmission housing a13 are detachably connected to form a mounting cavity. The first transmission housing a12 is symmetrically provided with at least two first assembly holes a121. The second transmission housing a13 is correspondingly provided with second assembly holes a131 matching the first assembly holes a121. The first assembly holes a121 are provided on the first transmission housing a12. 121 is connected to the second assembly hole a131 through a fastener a7, a connecting sleeve a14 is detachably connected inside the outer tube a11, one end of the connecting sleeve a14 is detachably connected to the first transmission housing a12 and the second transmission housing a13, the connecting sleeve a14 includes a connecting ring body a141, a plurality of spaced connecting blocks a142 are arranged around the end surface of the connecting ring body a141 facing the drive tube a2, a plurality of first threaded holes a1411 are evenly distributed along the axis thereof are arranged on the outer peripheral wall of the connecting ring body a141, and the outer tube a11 is provided with a plurality of first threaded holes a141 ... The tube a11 is provided with a plurality of first mounting holes a111, in which a fastener a7 threadedly connected to the first threaded hole a1411 is installed, and a second threaded hole a1412 is penetrated through the end surface of the connecting ring body a141, and the end surfaces of the first transmission housing a12 and the second transmission housing a13 are provided with third threaded holes a14 adapted to the second threaded holes a1412, and a fastener a7 threadedly connected to the third threaded hole a14 is installed in the second threaded hole a1412, and a screw rod a3 is sleeved with The first bearing a10 and the second bearing a20, a bearing groove a143 for placing the first bearing a10 is provided on the end surface of the connecting ring body a141 facing away from the front end cover, a chamber for placing the second bearing a20 is formed between the connecting blocks a142, and a first washer a30 and a lock nut a40 are also sleeved on the screw rod a3, one end surface of the first washer abuts against the teeth of the screw rod a3, and the other end surface abuts against the second bearing a20. After the lock nut a40 is threadedly connected to the screw rod a3, its end surface abuts against the first bearing a10.

[0032] A mounting crossbeam e is disposed horizontally on one side of the window body b away from the window sash c, and two mounting plates f are sleeved on the mounting crossbeam e. The suspended ends of the mounting plates f are arranged downward in the vertical direction, and a clamping hole f1 is arranged on the mounting plates f. The two side surfaces of the housing a1 are provided with clamping blocks a15 clamped with the clamping holes f1. The clamping holes f1 include two arc-shaped hole walls f11 and a protruding hole wall f12 located between the two arc-shaped hole walls f11. The clamping blocks a15 include a columnar body a151 and a protruding hole wall f12 disposed outside the columnar body a151. The protruding piece a152 on the peripheral wall has the same shape as the protruding hole wall f12, and the end face of the protruding piece a152 is kept flush with the end face of the cylindrical body a151. The connecting end of the mounting piece f is provided with a mounting opening f2 adapted to the mounting beam e, and a mounting plate f3 is provided on one side of the mounting opening f2 close to the suspended end, and the end face of the mounting plate f3 is in contact with the end face of the mounting beam e, and the mounting plate f3 is connected to the mounting beam e by a fastener a7 (not shown in the figure).

[0033] When installing the screw-type window opener, separate the two mounting plates to the two sides of the shell, then adjust the shell so that the protruding plate of the clamping block is aligned with the protruding hole wall of the clamping hole, insert the clamping block into the clamping hole, and then rotate the screw-type window opener to make the protruding plate and the protruding hole wall misaligned, so that the screw is clamped and fixed to the window opener and the mounting plate, and then the drive tube is hinged to the window sash. The screw-type window opener is a hand-cranked type. When the window sash needs to be opened, the handle rod is operated to bend the handle rod, the first connecting rod and the second connecting rod into a Z shape, and the handle rod is rotated to change the direction of the force through the steering gear, so as to drive the connecting shaft connected to the drive rod to rotate, which can drive the drive rod to rotate, so that the transmission assembly works, and the rotation of the spiral rod drives the nut sleeve threadedly connected to it to move axially along the spiral rod, and the drive tube and the nut sleeve are linked to lift the window sash to realize the opening of the window sash. If the window sash needs to be closed, the handle rod can be reversed.

Claims

1. A window opening system for a bottom-hung window, comprising a window body, a window sash, and a screw-type window opener arranged on the window body, wherein the screw-type window opener comprises a housing, a driving tube installed in the housing and hinged to the window sash, and a driving component installed in the housing for driving the driving tube to move in and out, characterized in that: A mounting beam is disposed horizontally on one side of the window body away from the window sash, and two mounting plates are sleeved on the mounting beam. The suspended ends of the mounting plates are arranged downward in the vertical direction and are provided with snap-in holes. The two side surfaces of the shell are provided with snap-in blocks snap-in with the snap-in holes.

2. The window opening system for a bottom-hung window according to claim 1, characterized in that: The snap-in hole includes two sections of arc-shaped hole walls and a protruding hole wall located between the two sections of the arc-shaped hole walls. The snap-in block includes a cylindrical body and a protruding piece arranged on the outer peripheral wall of the cylindrical body. The shape of the protruding piece is the same as the shape of the protruding hole wall, and the end face of the protruding piece remains flush with the end face of the cylindrical body.

3. A window opening system for a bottom-hung window according to claim 1 or 2, characterized in that: The connecting end of the mounting piece is provided with a mounting opening adapted to the mounting beam, and a mounting plate is provided on one side of the mounting opening close to the suspended end, the end surface of the mounting plate is in contact with the end surface of the mounting beam, and the mounting plate and the mounting beam are connected by fasteners.

4. The window opening system for a bottom-hung window according to claim 1, characterized in that: The driving component includes a spiral rod placed in an outer shell, a nut sleeve threadably sleeved on the outside of the spiral rod, and a transmission assembly arranged at one end of the spiral rod, the nut sleeve is connected to the end of the driving tube, and the transmission assembly includes a first bevel gear plugged into the spiral rod, a second bevel gear meshing with the first bevel gear, a driving rod is passed through the central axis of the second bevel gear, and the end of one end of the driving rod extends to the outside of the outer shell and is connected to a driving source.

5. The window opening system for a bottom-hung window according to claim 4, characterized in that: The driving rod is provided with a polygonal column extending to the outer shell, and the polygonal column is sleeved with a connecting shaft, which is arranged in the horizontal direction, and the end of the connecting shaft away from the polygonal column is connected to a steering gear, and the downward end surface of the steering gear is provided with a universal joint arranged in the vertical direction, and the end of the universal joint is connected to a first connecting rod, and the end of the first connecting rod not connected to the universal joint is hinged to a second connecting rod, and the end of the second connecting rod not hinged to the first connecting rod is hinged to a handle rod.

6. A window opening system for a bottom-hung window according to claim 1 or 4, characterized in that: The outer shell includes an outer circular tube, a first transmission housing and a second transmission housing. The outer circular tube is sleeved outside the driving tube. The first transmission housing and the second transmission housing are detachably connected to form an installation cavity therebetween. A connecting sleeve is detachably connected inside the outer circular tube, and one end of the connecting sleeve is detachably connected to the first transmission housing and the second transmission housing at the same time.

7. The window opening system for a bottom-hung window according to claim 6, characterized in that: The connecting sleeve includes a connecting ring body, and a plurality of spaced connecting blocks are arranged around the end surface of the connecting ring body facing the driving tube. A plurality of first threaded holes are arranged on the outer peripheral wall of the connecting ring body and are evenly distributed along its axis. A plurality of first mounting holes are correspondingly arranged on the outer circular tube. Fasteners threadedly connected to the first threaded holes are installed in the first mounting holes. A second threaded hole is penetrated on the end surface of the connecting ring body. The end surfaces of the first transmission housing and the second transmission housing are both provided with third threaded holes adapted to the second threaded holes. A fastener threadedly connected to the third threaded hole is installed in the second threaded hole.

8. The window opening system for a bottom-hung window according to claim 6, characterized in that: At least two first assembly holes are symmetrically arranged on the first transmission housing, and second assembly holes matching the first assembly holes are correspondingly arranged on the second transmission housing. The first assembly holes are connected to the second assembly holes via fasteners.

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