Screw type window opener

Abstract

The utility model relates to the technical field of window openers, in particular to a screw type window opener which comprises a shell, a screw rod arranged in the shell, a nut sleeve rotationally sleeved outside the screw rod in a threaded mode, a driving pipe with one end connected with the nut sleeve and a front end cover arranged at a port of one end of the shell. The other end of the driving pipe penetrates through the front end cover in a sliding mode and is located outside the shell, one end of the screw rod is connected with a transmission assembly driving the screw rod to rotate, the shell comprises an outer circular pipe, a first transmission shell and a second transmission shell, the outer circular pipe is arranged outside the driving pipe in a sleeving mode, and the first transmission shell is detachably connected with the second transmission shell; a cavity for installing the transmission assembly is formed between the first transmission shell and the second transmission shell, a connecting sleeve is detachably connected into the outer circular pipe, the screw rod penetrates through the connecting sleeve, one end of the connecting sleeve is detachably connected with the first transmission shell and the second transmission shell, and the screw rod assembly has the advantages of being simple in structure, low in cost and high in assembly efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of window openers, in particular to a screw-type window opener. Background Art

[0002] The existing window openers include screw-type window openers, which are divided into manual and electric types. The utility model patent with patent number CN210768319U discloses an electric screw-type window opener, comprising an outer tube (1), a motor (2) arranged in the outer tube (1), a screw rod (3) connected to the motor (2), a nut sleeve (4) threadably sleeved on the outside of the screw rod (3), a driving tube (5) connected to the nut sleeve (4) at one end, and a front cover (6) and a rear cover (7) respectively arranged at two ends of the outer tube (1), the other end of the driving tube (5) being slidably inserted into the front cover (6) and located outside the outer tube (1), characterized in that: the motor (2) is connected to an adapter (10) arranged in a polygonal shape, one end of the screw rod (3) being rotatably inserted into the adapter (10), and the outer tube (1) is provided with a plurality of screw rods (3) connected to the screw rod (3). A threaded hole (101) is provided on the side wall of the outer tube (1), a countersunk screw (12) for fixing the adapter (10) in the outer tube (1) is threadedly connected to the threaded hole (101), a washer (13) is fixedly provided at one end of the adapter (10) away from the motor (2), a sealing ring (14) is provided at one end of the outer tube (1) facing the front end cover (6), the nut sleeve (4) is located between the washer (13) and the sealing ring (14), a fixing ring (41) is provided on the outer circumferential surface of the nut sleeve (4), and an arc-shaped groove (42) is provided on the outer circumferential surface of the fixing ring (41) and is recessed in the axial direction of the fixing ring (41); the inner tube wall cross section of the outer tube (1) is polygonal, and the adapter (10) is directional and slidably installed in the outer tube (1) along the axial direction of the outer tube (1).

[0003] The above electric screw window opener has the following defects in actual use: 1. One end of the screw rod is rotated and inserted into the adapter and connected to the output shaft of the motor. A plurality of threaded holes are opened on the side wall of the outer tube, and the adapter is fixed in the outer tube by countersunk screws. Figure 4 It can be seen that the outer tube is an integrated structure. After the spiral rod, adapter and motor connected as one are installed into the outer tube, the threaded holes on the outer tube cannot be quickly aligned with the threaded holes on the adapter, which makes the installation of the countersunk screws very inconvenient and reduces the assembly efficiency; 2. The spiral rod is driven to rotate by the motor. If the motor fails or the power is cut off, the electric screw window opener cannot work normally and the window cannot be opened. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a screw-type window opener to improve assembly efficiency in view of the deficiencies of the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screw-type window opener, comprising an outer shell, a screw rod arranged in the outer shell, a nut sleeve threadedly sleeved outside the screw rod, a driving tube connected to the nut sleeve at one end, and a front end cover arranged at a port at one end of the outer shell, the other end of the driving tube is slidably penetrated through the front end cover and is located outside the outer shell, the end of the driving tube located outside the outer shell is connected to a connecting head, and the connecting head is connected to the window, characterized in that: one end of the screw rod is connected to a transmission component that drives it to rotate, the outer shell comprises an outer cylindrical tube, a first transmission housing and a second transmission housing, the outer cylindrical tube is sleeved outside the driving tube, the first transmission housing and the second transmission housing are detachably connected, and a cavity for installing the transmission component is formed between the two, and a connecting sleeve is detachably connected inside the outer cylindrical tube, the screw 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.

[0006] The utility model with the above-mentioned characteristics: the outer shell of the one-piece molded structure is arranged into 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 allows the spiral rod part and the transmission component to be pre-assembled separately, and then assembled as a whole, thereby improving production efficiency, having a simple structure, low cost and high assembly 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.

[0007] 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 front end cover, a plurality of first threaded holes are arranged on the outer peripheral wall of the connecting ring body and evenly distributed along its axis, a plurality of first mounting holes are correspondingly arranged on the outer circular tube, a fastener threadedly connected to the first threaded hole is installed in the first mounting hole, 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 a third threaded hole adapted to the second threaded hole, and a fastener threadedly connected to the third threaded hole is installed in the second threaded hole.

[0008] 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; a connecting block is arranged on the end face of the connecting ring body, which enhances the connection stability between the connecting sleeve and the spiral rod.

[0009] A further arrangement of the utility model is: a first bearing and a second bearing are sleeved on the spiral rod, a bearing groove for placing the first bearing is provided on the end surface of the connecting ring body facing away from the front end cover, a chamber for placing the second bearing is formed between the connecting blocks, and a first washer and a lock nut are also sleeved on the spiral rod, one end surface of the first washer abuts against the teeth of the spiral rod, and the other end surface abuts against the second bearing, and after the lock nut is threadedly connected to the spiral rod, its end surface abuts against the first bearing.

[0010] The utility model with the above-mentioned characteristics: the first bearing and the second bearing arranged on the spiral rod ensure the concentricity of the spiral rod, make the spiral rod rotate smoothly, and reduce the friction resistance of the spiral rod; by arranging the bearing groove and the cavity on the connecting sleeve, the first bearing and the second bearing are both placed in the connecting sleeve, so that the internal structure of the window opener is more compact; the anti-loosening nut presses against the first bearing, and the first washer is stuck between the second bearing and the teeth. The arrangement of the anti-loosening nut and the first washer ensures that the spiral rod, the first bearing, and the second bearing will not loosen during operation.

[0011] A further arrangement of the utility model is that 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, one end of the driving rod extends outside the first transmission housing, the axis of the driving rod is perpendicular to the axis of the spiral rod in space, and third bearings are sleeved at both ends of the driving rod, and the bearings are respectively embedded in the first transmission housing and the second transmission housing.

[0012] The utility model with the above-mentioned characteristics: the transmission component of 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 an operating rod extending to the outside of the first transmission housing is arranged at the end of the driving rod for easy manual operation, which can avoid accidents of window opener failure caused by power outages and ensure the reliability of the window opener; the first bevel gear and the second bevel gear are used as transmission elements, and the structure is simple, reliable and easy to maintain.

[0013] 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.

[0014] 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.

[0015] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model embodiment in the initial state.

[0017] Figure 2 It is a schematic diagram of the structure of the embodiment of the utility model in the working state.

[0018] Figure 3 It is an exploded view of the housing and the connecting sleeve of the embodiment of the utility model.

[0019] Figure 4 It is an exploded view of an embodiment of the utility model.

[0020] Figure 5 The structure of the connecting sleeve of the utility model embodiment is shown in FIG. Figure 1 .

[0021] Figure 6 The structure of the connecting sleeve of the utility model embodiment is shown in FIG. Figure 2 .

[0022] Figure 7 It is a partial structural schematic diagram of an embodiment of the utility model.

[0023] Figure 8 for Figure 7 Sectional view of AA. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1-8The screw-type window opener a shown in the figure comprises a shell a1, a screw rod a3 placed in the shell a1, a nut sleeve a4 threadedly sleeved outside the screw rod a3, a driving tube a2 connected to the nut sleeve a4 at one end, and a front end cover a9 arranged 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 end of the driving tube a2 located outside the shell a1 is connected to a connector a8, the connector a8 is connected to the window sash, one end of the screw rod a3 is connected to a transmission assembly driving the screw rod a3 to rotate, the shell a1 comprises an outer cylindrical tube a11, a first transmission housing a12 and a second transmission housing a13, the outer cylindrical tube a11 is sleeved on Outside the driving tube a2, the front end cover a9 is arranged at the port of the outer circular tube a11, the first transmission housing a12 and the second transmission housing a13 are detachably connected, and a cavity for installing the transmission component is formed between the two. The first transmission housing a12 is symmetrically provided with at least two first assembly holes a121, and the second transmission housing a13 is correspondingly provided with a second assembly hole a131 matching the first assembly hole a121. The first assembly hole a121 and the second assembly hole a131 are connected by a fastener a7, and a connecting sleeve a14 is detachably connected inside the outer circular tube a11, and one end of the connecting sleeve a14 is detachably connected to the first transmission housing a12 and the second transmission housing a13 at the same time.

[0026] The connecting sleeve a14 includes a connecting ring body a141, and a plurality of spaced connecting blocks a142 are arranged around the end surface of the connecting ring body a141 facing the front end cover a9. A plurality of first threaded holes a1411 are arranged on the outer peripheral wall of the connecting ring body a141, and a plurality of first mounting holes a111 are arranged on the outer tube a11. A fastener a7 threadedly connected to the first threaded hole a1411 is installed in the first mounting hole a111. A second threaded hole a1412 is penetrated on 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 both provided with a third threaded hole a1412 adapted to the second threaded hole a1412. Hole a14, a fastener a7 threadedly connected to the third threaded hole a14 is installed in the second threaded hole a1412, a first bearing a10 and a second bearing a20 are sleeved on the screw rod a3, 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, a first washer a30 and a lock nut a40 are also sleeved on the screw rod a3, one end face of the first washer a30 abuts against the teeth of the screw rod a3, and the other end face abuts against the second bearing a20. After the lock nut a40 is threadedly connected to the screw rod a3, its end face abuts against the first bearing a10.

[0027] The transmission assembly includes a first bevel gear a51 plugged into the screw rod a3, and a second bevel gear a52 meshing with the first bevel gear a51. A driving rod a53 is passed through the central axis of the second bevel gear a52. The end of one end of the driving rod a53 extends to the outside of the first transmission housing a12. The axis of the driving rod a53 is perpendicular to the axis of the screw rod a3 in space. Third bearings a40 are sleeved at both ends of the driving rod a53, and the third bearings a40 are respectively embedded in the first transmission housing a12 and the second transmission housing a13.

[0028] Two buffer pads a50 are arranged in the outer circular tube a11, one of which abuts against the end face of the connecting sleeve a14, and the other abuts against the end face of the front end cover a9. During the movement of the nut sleeve a4, soft collision is achieved, the noise generated during use is reduced, and the buffering purpose is achieved.

[0029] The screw-type window opener is a hand-cranked type. When the window sash needs to be opened, an operating rod is arranged outside the driving rod. The driving rod can be turned to drive the transmission assembly to work. The rotation of the screw rod drives the nut sleeve threadedly connected to it to move axially along the screw rod. The driving tube and the nut sleeve are linked to lift the window sash to open the window sash. If the window sash needs to be closed, the operating rod can be reversed.

Claims

1. A screw-type window opener, comprising a housing, a screw rod disposed in the housing, a nut sleeve threadably sleeved outside the screw rod, a drive tube connected to the nut sleeve at one end, and a front end cover disposed at a port at one end of the housing, wherein the other end of the drive tube is slidably penetrated through the front end cover and is located outside the housing, and the end of the drive tube located outside the housing is connected to a connector, and the connector is connected to the window, characterized in that: One end of the spiral rod is connected to a transmission component that drives it to rotate, and the outer shell includes an outer cylindrical tube, a first transmission housing and a second transmission housing. The outer cylindrical tube is sleeved outside the driving tube, and the first transmission housing and the second transmission housing are detachably connected to form a cavity for installing the transmission component therebetween. A connecting sleeve is detachably connected inside the outer cylindrical tube, and the spiral rod passes through the connecting sleeve. One end of the connecting sleeve is detachably connected to the first transmission housing and the second transmission housing at the same time.

2. A screw-type window opener according to claim 1, 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 front end cover. 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. A fastener threadedly connected to the first threaded hole is installed in the first mounting hole. 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 a third threaded hole adapted to the second threaded hole. A fastener threadedly connected to the third threaded hole is installed in the second threaded hole.

3. A screw-type window opener according to claim 2, characterized in that: The spiral rod is sleeved with a first bearing and a second bearing, and a bearing groove for placing the first bearing is provided on the end surface of the connecting ring body facing away from the front end cover, and a chamber for placing the second bearing is formed between the connecting blocks. The spiral rod is also sleeved with a first washer and a lock nut, and one end surface of the first washer abuts against the teeth of the spiral rod, and the other end surface abuts against the second bearing. After the lock nut is threadedly connected to the spiral rod, its end surface abuts against the first bearing.

4. A screw-type window opener according to claim 1 or 2, characterized in that: The transmission assembly includes a first bevel gear plugged into the spiral rod and a second bevel gear meshing with the first bevel gear. A driving rod is passed through the central axis of the second bevel gear. One end of the driving rod extends outside the first transmission housing. The axis of the driving rod is perpendicular to the axis of the spiral rod in space. Third bearings are provided at both ends of the driving rod, and the bearings are respectively embedded in the first transmission housing and the second transmission housing.

5. A screw-type window opener according to claim 1 or 2, 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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