Window handle base

Abstract

This utility model relates to a handle base, belonging to the field of handle technology, specifically a window handle base, including a handle with an inner bottom cavity; a square shaft inserted into the cavity; and a base inserted into the bottom of the handle. This utility model achieves a clear operating feel and saves construction costs. It solves the problems of existing patents not mentioning a gear positioning mechanism, users not being able to perceive the locking point position and needing to repeatedly confirm the window status, the lack of optimization of the crescent-shaped component's movement trajectory, and uneven operating force; furthermore, the handle and crescent-shaped component are fixedly connected, requiring replacement of the entire unit when damaged, increasing construction costs.

Description

Technical Field

[0001] This utility model relates to the field of handle technology, and in particular to a window handle base. Background Technology

[0002] The window handle base is the core transmission component in the door and window hardware system. It is responsible for converting the user's operating force of rotating the handle into the opening and closing action of the window locking points (such as lock blocks and lock rods).

[0003] A search revealed Chinese patent CN213627101U, which discloses a high-lifespan sliding window crescent lock handle, comprising a base, a crescent-shaped component, and a handle. The surface of the base is movably connected to the crescent-shaped component via a pivot, and the bottom of the crescent-shaped component is fixedly connected to the handle. The handle has a reinforcing rib embedded in its inner cavity, a rust-proof layer on its surface, and a waterproof layer on the outer surface of the rust-proof layer. This invention, through the combination of a base, crescent-shaped component, handle, reinforcing rib, rust-proof layer, waterproof layer, and anti-corrosion layer, constructs a high-lifespan sliding window crescent lock handle. The reinforcing rib increases the handle's strength, while the rust-proof, waterproof, and anti-corrosion layers enhance the crescent lock's waterproof and anti-corrosion functions, extending its service life. This combination solves the problems of high wear and tear costs associated with traditional crescent locks, and the handle's tendency to break after assembly, requiring replacement of the entire unit.

[0004] Based on the above search and existing technology, the findings were as follows:

[0005] The aforementioned patents do not mention a gear positioning mechanism, so users cannot perceive the lock point position and need to repeatedly confirm the window status. The movement trajectory of the crescent-shaped component is not optimized, resulting in uneven operating force. In addition, the handle and the crescent-shaped component are fixedly connected, so the entire component needs to be replaced when damaged, increasing construction costs. Therefore, there are certain limitations. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model proposes a window handle base with a spring and notch for clear operation feel, which eliminates the need for additional accessories to reinforce the base and saves construction costs.

[0007] The technical solution to achieve the purpose of this utility model is: a window handle base, including a handle, wherein the inner bottom of the handle is provided with an installation cavity, and further comprising;

[0008] A square shaft, which is inserted into the interior of the mounting cavity;

[0009] The base is inserted into the bottom of the handle.

[0010] Preferably, a set screw is threaded on one side of the handle, a rotating shaft is sleeved on the outside of the square shaft, the rotating shaft is disposed inside the base, and a pin is inserted into the rotating shaft.

[0011] Preferably, the bottom of the base is snapped with a top cover, the inner cavity of the top cover is provided with an installation groove, a compression spring is fixedly installed on one side of the installation groove, a steel column is fixedly installed on one end of the compression spring, and the steel column abuts against the rotating shaft.

[0012] Compared with existing technologies, the significant advantages of this invention are:

[0013] Firstly, this utility model uses the radial elastic deformation of the open square shaft to grip the handle mounting cavity, generating strong friction to ensure that the square shaft and handle are firmly locked, effectively transmitting torque and preventing relative rotation. Compared with traditional bolt fixing, this design avoids the risk of loosening and improves service life. Furthermore, the conical tip of the set screw presses against the opening groove of the square shaft, causing inward elastic deformation and simultaneously increasing the axial fixing force, providing double protection for structural stability.

[0014] Secondly, the upper and lower covers of this utility model adopt a plastic split structure, which reduces the cost of precision injection molding, and the snap-fit ​​assembly does not require additional fasteners, saving materials and labor; the snap-fit ​​structure supports non-destructive disassembly and assembly, making it easy to replace parts (such as springs or steel columns), reducing after-sales costs; the spring steel column's positioning mechanism provides a clear operating feel, suitable for high-end door and window systems, meeting users' needs for refined control; the number of pivot notches can be flexibly adjusted to adapt to the needs of different product lines.

[0015] This invention addresses the issues of existing patents not mentioning gear positioning mechanisms, users being unable to perceive the lock point position and needing to repeatedly confirm the window status, the lack of optimization in the movement trajectory of the crescent-shaped component, and uneven operating force; furthermore, the handle and crescent-shaped component are fixedly connected, requiring replacement of the entire unit when damaged, increasing construction costs. Attached Figure Description

[0016] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a schematic diagram of the disassembled structure provided by this utility model;

[0018] Figure 2 This is a cross-sectional structural schematic diagram provided by this utility model;

[0019] Figure 3 This is a schematic diagram of the base and top cover structure provided by this utility model;

[0020] Figure 4 This is a schematic diagram of the disassembled structure of the base and top cover provided by this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Handle; 2. Set screw; 3. Square shaft; 4. Rotating shaft; 5. Pin; 6. Base; 7. Compression spring; 8. Steel column; 9. Top cover. Detailed Implementation

[0023] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0024] This utility model provides an improved window handle base. The technical solution of this utility model is as follows:

[0025] like Figures 1-4 As shown, a window handle base includes a handle 1, the inner bottom of the handle 1 has an installation cavity to assist in subsequent installation, and also includes;

[0026] Square shaft 3 is inserted into the inside of the mounting cavity, which firmly locks square shaft 3 and handle 1 together, effectively transmitting torque and preventing relative rotation, while also increasing the axial fixing force of square shaft 3 in the mounting cavity;

[0027] The base 6 is inserted into the bottom of the handle 1. The base 6 is equipped with a buckle, which makes the base 6 and the top cover 9 securely connected without the need for additional accessories, thus saving costs.

[0028] Furthermore, a set screw 2 is threaded on one side of the handle 1, and a rotating shaft 4 is sleeved on the outside of the square shaft 3. The rotating shaft 4 is located inside the base 6, and a pin 5 is inserted into the rotating shaft 4 to fix the bottom of the rotating shaft 4 and prevent it from falling or slipping during use.

[0029] Furthermore, the bottom of the base 6 is snapped with the top cover 9, and the inner cavity of the top cover 9 is provided with an installation slot. A compression spring 7 is fixedly installed on one side of the installation slot, and a steel column 8 is fixedly installed on one end of the compression spring 7. The steel column 8 abuts against the rotating shaft 4 to achieve circumferential positioning of the rotating shaft 4 and provide the operator with a clear "click" gear feel.

[0030] The specific working method is as follows: During installation, first rotate the shaft 4 and fit it onto the square shaft 3 to ensure that the two are assembled in place. Align the hole of the rotating shaft 4 with the hole of the square shaft 3. Insert the cotter pin 5 into the aligned hole from one side so that it is symmetrically locked on the outer walls of both sides of the rotating shaft 4. The bottom of the handle 1 is designed with a square hole that matches the square shaft 3. During installation, insert the open square shaft 3 into the mounting cavity of the handle 1 and ensure that the opening of the square shaft 3 is aligned with the hole of the handle 1. Screw the set screw 2 into the threaded hole of the handle 1. As the set screw 2 is screwed in, its conical tip gradually presses into the opening groove area of ​​the open square shaft 3 (i.e., presses on the arc surface at the groove). The pressure of the set screw 2 forces the opening groove to widen, causing the open square shaft 3 to undergo radial inward elastic deformation. Next, align the base 6 with the top cover 9 and apply pressure to cause the buckle of the top cover 9 to elastically deform (bend inward). When the buckle head at the end of the buckle hook passes the engagement step in the engagement groove of the top cover 9, the buckle hook elastically recovers, and the buckle head hooks the engagement step, thus achieving a firm engagement between the top cover 9 and the base 6. Then, place the steel column 8 in the guide channel, with one end abutting against the compression spring 7 and the other end of the compression spring 7 abutting against the bottom of the groove. When the rotating shaft 4 rotates to a notch that aligns with the steel column 8, the steel column 8 is pushed into the notch of the rotating shaft 4 under the elastic force of the compression spring 7, achieving circumferential positioning of the rotating shaft 4. When torque is applied to rotate the handle, the side wall of the notch of the rotating shaft 4 will squeeze the arc surface of the steel column 8, forcing the steel column 8 to overcome the spring pressure and retract backward. When the steel column 8 completely exits the current notch, the rotating shaft 4 continues to rotate until the next notch aligns with the steel column 8. The steel column 8 is then springed into the new notch under the action of the spring, completing one gear shift.

[0031] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.

Claims

1. A window handle base, comprising a handle (1), characterized in that: The handle (1) has an installation cavity at its inner bottom and also includes; A square shaft (3) is inserted into the interior of the mounting cavity; The base (6) is inserted into the bottom of the handle (1).

2. A window handle base according to claim 1, characterized in that: The handle (1) has a set screw (2) threaded on one side, and a rotating shaft (4) is sleeved on the outside of the square shaft (3). The rotating shaft (4) is located inside the base (6), and a pin (5) is inserted into the rotating shaft (4).

3. A window handle base according to any one of claims 1-2, characterized in that: The bottom of the base (6) is fitted with a top cover (9). The inner cavity of the top cover (9) is provided with an installation slot. A compression spring (7) is fixedly installed on one side of the installation slot. A steel column (8) is fixedly installed on one end of the compression spring (7). The steel column (8) abuts against the rotating shaft (4).

Images