stirring rod

Abstract

The utility model relates to a stirring rod belongs to the motorized tool connecting technical field, including stirring silk and base, the inside of base is equipped with annular groove, the end of stirring silk inserts the annular groove, and is fixed in annular groove through plastic deformation or welding, the utility model discloses a setting annular groove in the base inside makes stirring silk end insertion through the press bending plastic deformation or welding fixed, realizes the welding or mechanical press bending fixed of stirring silk and base, and the anti -tensile force gets the promotion, eliminates the risk of falling under the high -speed centrifugal.

Description

Technical Field

[0001] This utility model relates to the field of motor tool connection technology, and in particular to a stirring rod. Background Technology

[0002] Existing food processing mixing sticks (such as cake and bread mixing sticks) typically employ the following structure: a countersunk hole is made in the side wall of the base, and the mixing wire is inserted and then the base is deformed by a press to compress the mixing wire. However, because this method only causes plastic deformation of the base, while the mixing wire itself remains undeformed, the bonding force between the two is insufficient. In actual high-speed mixing processes, under the action of centrifugal force, the mixing wire easily detaches from the countersunk hole in the base, resulting in the following defects:

[0003] The detached stirring wire may splash and endanger the operator; frequent detachment requires repeated maintenance, increasing the cost of use; relying solely on the friction generated by the deformation of the base cannot withstand high-speed operation. Utility Model Content

[0004] To overcome the technical defects of the existing technology, this utility model provides a stirring rod that improves the tensile strength and eliminates the risk of detachment under high-speed centrifugation.

[0005] The technical solution adopted by this utility model is: a stirring rod, including a stirring wire and a base, wherein the base is provided with an annular groove, the end of the stirring wire is inserted into the annular groove, and is fixed in the annular groove by plastic deformation or welding.

[0006] Preferably, the portion of the stirring wire inside the annular groove is bent to form a folded portion, and the folded portion is interference-fitted with the inner wall of the annular groove.

[0007] Preferably, the portion of the stirring wire inside the annular groove is welded to form a weld layer that is fixed to the inner wall of the annular groove.

[0008] Preferably, the bottom of the base is connected to an axially extending connecting rod, which is used to connect to the drive device.

[0009] Preferably, the base is provided with a threaded fastening cap on the top, and the fastening cap is located on one side of the annular groove;

[0010] The connecting rod and the fastening cap are connected by a threaded structure, and the threaded part at the end of the connecting rod passes through the fastening cap and is connected to the base by a threaded structure.

[0011] Preferably, the annular groove is formed on the inner side wall of the base, and its depth is 1.5-2 times the diameter of the stirring wire.

[0012] The beneficial effects of this utility model are: by setting an annular groove inside the base, the stirring wire end can be inserted and fixed by bending or welding, thereby achieving welding or mechanical bending fixation between the stirring wire and the base, improving the tensile strength and eliminating the risk of detachment under high-speed centrifugation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0015] Figure 3 This is a schematic diagram of the disassembly structure of the connecting rod of this utility model.

[0016] Figure 4 This is a schematic diagram of the stirring wire and base structure of this utility model.

[0017] Figure 5 This is a schematic diagram of the base structure of this utility model.

[0018] Explanation of reference numerals in the attached diagram: 1. Stirring wire; 2. Base; 3. Annular groove; 5. Fastening cap; 6. Connecting rod. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings:

[0020] like Figures 1-5 As shown, this embodiment provides a stirring rod, including a stirring wire 1 and a base 2. The base 2 has an annular groove 3 inside. The end of the stirring wire 1 is inserted into the annular groove 3 and fixed in the annular groove 3 by plastic deformation or welding.

[0021] It should be noted that the stirring wire 1 is fixed in the annular groove 3 by plastic deformation (such as cold pressing, stamping) or welding (such as spot welding, laser welding). By fixing it by plastic deformation or welding, the connection between the stirring wire 1 and the base 2 is more secure, avoiding loosening or falling off due to vibration during high-speed stirring or long-term use.

[0022] As a technical optimization of this utility model, the portion of the stirring wire 1 within the annular groove 3 is bent to form a bent portion, and the bent portion is interference-fitted with the inner wall of the annular groove 3.

[0023] The portion of the stirring wire 1 within the annular groove 3 is bent to form a kink, which is press-fitted into the inner wall of the annular groove 3. This press-fit enhances the fixing effect through mechanical interference, achieving a stable connection even without welding or plastic deformation. The arc-shaped structure of the kink disperses localized stress generated during stirring, reducing the risk of breakage.

[0024] As a technical optimization of this utility model, the portion of the stirring wire 1 inside the annular groove 3 is welded to form a welding layer and is fixedly connected to the inner wall of the annular groove 3.

[0025] The welded layer (such as spot welding or laser welding) can achieve a metallurgical bond between the stirring wire 1 and the base 2, with significantly higher shear and tensile strength than mechanical fixing methods. Furthermore, the welded layer can seal the gap between the stirring wire 1 and the base 2, preventing liquid or particulate matter from seeping in and reducing the risk of corrosion or blockage.

[0026] As a technical optimization of this utility model, the bottom of the base 2 is connected to an axially extending connecting rod 6, which is used to connect the driving device.

[0027] Connecting rod 6 is used to connect the drive unit, such as a motor. The standardized design of connecting rod 6 allows for quick docking with existing drive units, improving equipment adaptability. The axially extended connecting rod 6 effectively transmits rotational power, reduces energy loss, and ensures efficient and stable mixing.

[0028] As a technical optimization of this utility model, the top of the base 2 is provided with a threaded fastening cap 5, and the fastening cap 5 is located on one side of the annular groove 3;

[0029] The connecting rod 6 and the fastening cap 5 are connected by a threaded structure, and the threaded portion at the end of the connecting rod 6 passes through the fastening cap 5 and is connected to the base 2 by a threaded structure. The fastening cap 5 is installed to block the annular groove, ensuring the overall integrity and aesthetics. The threaded installation of the connecting rod 6 facilitates disassembly and replacement.

[0030] As a technical optimization of this utility model, the annular groove 3 is opened on the inner side wall of the base 2, and its depth is 1.5-2 times the diameter of the stirring wire 1.

[0031] A depth of 1.5-2 times the original depth ensures that the stirring wire 1 is embedded long enough to enhance the fixing force, while avoiding over-embedding that would reduce the strength of the base 2. This reduces material waste in the base 2 and ensures the stability of the stirring wire 1 within the groove.

[0032] Working principle: The stirring rod of this patent is connected to an external drive device via a connecting rod 6, which transmits rotational power to the base 2 and the stirring wire 1, causing it to rotate at high speed and generate shearing force, thus promoting uniform mixing of materials. The end of the stirring wire 1 is inserted into the annular groove 3 inside the base 2 and fixed by means of plastic deformation, welding, etc. Combined with the conical groove structure to enhance self-locking and stress dispersion, it ensures that the stirring wire 1 is stable and does not loosen during high-speed operation.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this invention. Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this invention. Various changes and modifications may be made to this invention without departing from its spirit and scope. All such changes and modifications fall within the scope of this invention as defined by the appended claims and their equivalents.

Claims

1. A stirring rod, comprising stirring wire (1) and a base (2), characterized in that: The base (2) has an annular groove (3) inside. The end of the stirring wire (1) is inserted into the annular groove (3) and fixed in the annular groove (3) by plastic deformation or welding.

2. The stirring rod according to claim 1, characterized in that: The portion of the stirring wire (1) inside the annular groove (3) is bent to form a bent portion, and the bent portion is interference-fitted with the inner wall of the annular groove (3).

3. The stirring rod according to claim 1, characterized in that: The portion of the stirring wire (1) inside the annular groove (3) is welded to form a weld layer and is fixed to the inner wall of the annular groove (3).

4. The stirring rod according to claim 1, characterized in that: The base (2) has an axially extending connecting rod (6) at its bottom, which is used to connect the drive device.

5. The stirring rod according to claim 4, characterized in that: The base (2) is provided with a threaded fastening cap (5) at the top, and the fastening cap (5) is located on one side of the annular groove (3); The connecting rod (6) is connected to the fastening cap (5) by a threaded structure, and the threaded part at the end of the connecting rod (6) passes through the fastening cap (5) and is connected to the base (2) by a threaded structure.

6. The stirring rod according to claim 1, characterized in that: The annular groove (3) is opened on the inner side wall of the base (2), and its depth is 1.5-2 times the diameter of the stirring wire (1).

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