Replaceable hand-cranking window opener grip

By designing an alternative grip structure on the hand-crank window opener, the sliding connection between the turntable and square blocks is used to achieve convenient disassembly and replacement of the grip, solving the problem of damage and inconvenient disassembly after long-term use, while ensuring the stability of the grip.

CN222772080UActive Publication Date: 2025-04-18GUANGZHOU XINSHEN INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421431805.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-18
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The grip of the hand-cranked window opener is easily damaged after a long time of use, but it is not convenient to disassemble when replacing it.

Method used

An alternative hand-cranked window opener grip is designed, and the grip is easily disassembled by setting up parts such as rotating dials, rotating shafts, square blocks and square grooves. The specific method is to move the turntable to slide the square block out of the square groove, thereby removing the limit on the grip and making it easier to replace.

Benefits of technology

It realizes convenient replacement of the grip, solving the problem of damage and inconvenient disassembly after long-term use. At the same time, through the design of limit blocks and springs, the grip remains stable during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of hand-cranking window openers, and particularly relates to a replaceable hand-cranking window opener grip which comprises a window opener body, a mounting frame is fixedly connected to the interior of the window opener body, and a mounting sleeve is fixedly connected to the end, away from the inner wall of the window opener body, of the mounting frame. The interior of the mounting sleeve is connected with a driving shaft through a bearing, and the upper end of the driving shaft is fixedly connected with a connecting sleeve. By arranging the rotating disc, the rotating shaft, the square block, the square groove and the like, the rotating disc can be moved to drive the square block to slide out of the square groove, so that the grip can be detached from the window opener main body, the grip can be conveniently detached and replaced, and the problems that the grip of a hand-cranking window opener is easily damaged for a long time, and the service life of the hand-cranking window opener is influenced are solved. And the problem that the grip is inconvenient to disassemble during replacement is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hand-cranked window openers, in particular to a replaceable hand-cranked window opener handle. Background Art

[0002] A manual window opener is a device that is driven by a hand crank, usually installed on a window to facilitate opening and closing the window. It can be a mechanical device or an electric device, but both require manual rotation or shaking to achieve the opening and closing of the window. According to the utility model with patent authorization announcement number CN219451846U, a hand-cranked chain window opener is disclosed, including a mounting shell, an opening is provided on the mounting shell, a chain passing through the opening is provided in the mounting shell, one end of the chain outside the mounting shell is connected to a mounting plate through a rotating shaft, a rotating handle is installed on the top of the mounting shell through a bearing, a transmission sprocket and a guide sprocket are movably installed in the mounting shell through a movable shaft, the transmission sprocket and the guide sprocket are matched with the chain, the bottom end of the rotating handle passes through the inner ring of the bearing and is connected to the transmission sprocket, and a lubrication mechanism is provided on one side of the opening in the mounting shell, and the beneficial effect is that such a device has a simple structure, is easy to use, can be manually rotated to control the opening and closing of the window, and has a good lubrication effect, reduces its friction, facilitates manual opening and closing, and has a certain dust removal effect. However, the handle of the hand-cranked window opener is prone to damage over a long period of time, and it is inconvenient to disassemble the handle when replacing it. Utility Model Content

[0003] The utility model aims to provide a replaceable hand-cranked window opener handle, which solves the problem that the hand-cranked window opener handle is easily damaged after a long time and it is inconvenient to disassemble the handle when replacing it.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a replaceable hand-cranked window opener handle, comprising a window opener body, a mounting frame fixedly connected to the interior of the window opener body, a mounting sleeve fixedly connected to one end of the mounting frame away from the inner wall of the window opener body, a driving shaft connected to the interior of the mounting sleeve via a bearing, a connecting sleeve fixedly connected to the upper end of the driving shaft, a turntable rotatably connected to the interior of the window opener body, a rotating shaft fixedly connected to the lower end of the turntable, a square block fixedly connected to the lower end of the rotating shaft, the square block is slidably connected to the connecting sleeve, and a handle is fixedly connected to the upper end of the turntable.

[0005] Preferably, a square groove is provided inside the connecting sleeve, and a square block is slidably connected inside the square groove. Through the design of the square groove, the square block can drive the connecting sleeve to rotate.

[0006] Preferably, a slider is slidably connected to the interior of the window opener body, and a limit block is fixedly connected to one end of the slider close to the turntable, the limit block is slidably connected to the window opener body, and a limit slot is provided inside the turntable, and a fixing rod is fixedly connected to the interior of the window opener body, and the fixing rod is slidably connected to the slider, and a spring is provided on the outside of the fixing rod, and the push block is moved in a direction away from the handle so that the push block drives the slider to move, and the slider slides on the fixing rod, so that the slider squeezes the spring and drives the limit block to move, so that the limit block slides out of the limit slot on the turntable, thereby releasing the limit on the turntable.

[0007] Preferably, there are two limit blocks, which are symmetrically distributed on the slider. The limit blocks can play a limiting role on the turntable through their design.

[0008] Preferably, the limiting grooves are distributed in a ring shape on the turntable, and the limiting blocks are slidably connected to the limiting grooves. Through the design of the limiting grooves, the limiting blocks can cooperate with each other to limit the turntable.

[0009] Preferably, one end of the spring contacts the window opener body, and the other end of the spring contacts the slider. The design of the spring can drive the limit block to limit the turntable.

[0010] Preferably, a push block is fixedly connected to the upper end of the sliding block, and the push block is in contact with the window opener body. The design of the push block can facilitate the movement of the sliding block.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model is provided with components such as a turntable, a rotating shaft, a square block, and a square groove. The turntable can be moved to drive the square block to slide out of the square groove, so that the handle can be removed from the window opener body, and the handle can be easily disassembled and replaced, thereby solving the problem that the handle of the hand-cranked window opener is easily damaged over a long period of time and it is inconvenient to disassemble the handle when replacing it.

[0013] 2. The utility model is provided with components such as a slider, a limit block, and a spring. The slider can be driven to move by the elastic force of the spring, and the slider drives the limit block to move. The limit block slides into the limit groove in the turntable, which can limit the turntable so that the turntable can only rotate in the window opener body, thereby making the handle easy to replace and keeping the handle stable when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1A three-dimensional diagram of the local structure;

[0016] Figure 3 For the utility model Figure 1 A side cross-sectional enlarged view of a local structure;

[0017] Figure 4 For the utility model Figure 2 A partial structure enlarged front view and cross-sectional view;

[0018] Figure 5 For the utility model Figure 3 A-section structure enlarged view.

[0019] In the figure: 1. window opener body; 11. mounting frame; 12. mounting sleeve; 13. driving shaft; 2. connecting sleeve; 3. turntable; 31. rotating shaft; 32. square block; 33. square groove; 34. handle; 4. slider; 41. limit block; 42. limit groove; 43. fixing rod; 44. spring; 45. push block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 A replaceable hand-cranked window opener handle comprises a window opener body 1, a mounting frame 11 is fixedly connected inside the window opener body 1, a mounting sleeve 12 is fixedly connected to one end of the mounting frame 11 away from the inner wall of the window opener body 1, a driving shaft 13 is connected inside the mounting sleeve 12 through a bearing, a connecting sleeve 2 is fixedly connected to the upper end of the driving shaft 13, a turntable 3 is rotatably connected inside the window opener body 1, a rotating shaft 31 is fixedly connected to the lower end of the rotating shaft 31, a square block 32 is fixedly connected to the lower end of the rotating shaft 31, the square block 32 is slidably connected to the connecting sleeve 2, a square groove 33 is provided inside the connecting sleeve 2, a square block 32 is slidably connected inside the square groove 33, and the square block 32 can be driven to rotate by the design of the square groove 33, and a handle 34 is fixedly connected to the upper end of the turntable 3.

[0022] See also Figure 2-5A slider 4 is slidably connected to the inside of the window opener body 1, and a limit block 41 is fixedly connected to one end of the slider 4 close to the turntable 3. There are two limit blocks 41, and the two limit blocks 41 are symmetrically distributed on the slider 4. Through the design of the limit block 41, the turntable 3 can be limited. The limit block 41 is slidably connected to the window opener body 1, and a limit groove 42 is provided inside the turntable 3. The limit groove 42 is annularly distributed on the turntable 3. The limit block 41 is slidably connected to the limit groove 42. Through the design of the limit groove 42, the turntable 3 can be limited by the limit block 41. A fixing rod 43 is fixedly connected to the inside of the window opener body 1, and the fixing rod 43 is slidably connected to the slider 4, and a spring 44 is arranged on the outside of the fixing rod 43.

[0023] See also Figure 2-5 One end of the spring 44 is in contact with the window opener body 1, and the other end of the spring 44 is in contact with the slider 4. Through the design of the spring 44, the limit block 41 can be driven to limit the turntable 3. The upper end of the slider 4 is fixedly connected with a push block 45, and the push block 45 is in contact with the window opener body 1. Through the design of the push block 45, the slider 4 can be easily moved. By moving the push block 45 away from the handle 34, the push block 45 drives the slider 4 to move, and the slider 4 slides on the fixed rod 43, so that the slider 4 squeezes the spring 44, and the slider 4 drives the limit block 41 to move, so that the limit block 41 slides out of the limit groove 42 on the turntable 3, and the limit on the turntable 3 can be released.

[0024] The specific implementation process of the utility model is as follows: when in use, by moving the push block 45 away from the handle 34, the push block 45 drives the slider 4 to move, the slider 4 slides on the fixing rod 43, the slider 4 presses the spring 44, and the slider 4 drives the limit block 41 to move, so that the limit block 41 slides out of the limit groove 42 on the turntable 3, and the limit on the turntable 3 can be released;

[0025] By moving the handle 34 away from the window device body 1, the handle 34 drives the turntable 3 to move, the turntable 3 drives the shaft 31 to move, the shaft 31 drives the square block 32 to move, and the square block 32 slides out of the square groove 33 inside the connecting sleeve 2, so that the limit on the handle 34 can be released and the handle 34 can be removed for replacement.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A replaceable hand crank window opener handle, comprising a window opener body (1), characterized in that: The window opener body (1) is fixedly connected to a mounting frame (11) at one end of the mounting frame (11) which is away from the inner wall of the window opener body (1), and a mounting sleeve (12) is fixedly connected thereto; a driving shaft (13) is connected to the inside of the mounting sleeve (12) via a bearing; the upper end of the driving shaft (13) is fixedly connected to a connecting sleeve (2); a rotating disk (3) is rotatably connected to the inside of the window opener body (1); a rotating shaft (31) is fixedly connected to the lower end of the rotating disk (3); a square block (32) is fixedly connected to the lower end of the rotating shaft (31); the square block (32) is slidably connected to the connecting sleeve (2); and a handle (34) is fixedly connected to the upper end of the rotating disk (3).

2. A replaceable hand-operated window opener handle according to claim 1, characterized in that: A square groove (33) is provided inside the connecting sleeve (2), and a square block (32) is slidably connected inside the square groove (33).

3. The replaceable hand-operated window opener handle according to claim 1, characterized in that: The window opener body (1) is slidably connected to a slider (4), one end of the slider (4) close to the rotary disk (3) is fixedly connected to a limit block (41), the limit block (41) is slidably connected to the window opener body (1), a limit groove (42) is provided inside the rotary disk (3), a fixing rod (43) is fixedly connected to the inside of the window opener body (1), the fixing rod (43) is slidably connected to the slider (4), and a spring (44) is provided on the outside of the fixing rod (43).

4. A replaceable hand-operated window opener handle according to claim 3, characterized in that: The number of the limit blocks (41) is two, and the two limit blocks (41) are symmetrically distributed on the slider (4).

5. The replaceable hand-operated window opener handle according to claim 3, characterized in that: The limiting grooves (42) are distributed in an annular shape on the rotating disk (3), and the limiting blocks (41) are slidably connected to the limiting grooves (42).

6. A replaceable hand-operated window opener handle according to claim 3, characterized in that: One end of the spring (44) is in contact with the window opener body (1), and the other end of the spring (44) is in contact with the slider (4).

7. A replaceable hand-operated window opener handle according to claim 3, characterized in that: The upper end of the sliding block (4) is fixedly connected with a push block (45), and the push block (45) is in contact with the window opener body (1).

Citation Information

Patent Citations

  • Hand-cranking chain type window opener

    CN219451846U