Firmly-connected household appliance shaft

By combining a shaft, a fixed cap, a swivel ring, and a chuck, the problem of loose threaded connections in household appliances during long-term operation is solved, resulting in a more robust connection and improving the stability and lifespan of the equipment.

CN224017527UActive Publication Date: 2026-03-20NINGBO YUJIE ROTARY SHAFT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-29
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing household appliances, the threaded connection method is prone to loosening under long-term operation or frequent stress, which affects the normal operation of the equipment.

Method used

It adopts a combination structure of rotating shaft, fixed cap, rotating ring, clasp and limiting plate. After initial fixation by threaded connection, multi-layer locking is achieved by the fit between rotating ring and fixed ring and the sliding cooperation of clasp, which enhances the firmness of connection.

Benefits of technology

This effectively prevents loose connections, improves the stability and lifespan of household appliance shafts, and ensures the stability of the equipment during long-term operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric appliance shafts, and discloses a firmly-connected household appliance shaft which comprises a rotating shaft and a fixing cap, the top of the rotating shaft is fixedly connected with a threaded head, the side wall of the threaded head is in threaded connection with the interior of the fixing cap, the side wall of the rotating shaft is provided with a rotating ring, and the side wall of the fixing cap is fixedly connected with a fixing ring. A first clamping jaw is fixedly connected to the side wall of the fixing ring, a first limiting plate is fixedly connected to the side wall of the fixing ring, a second clamping jaw is fixedly connected to the side wall of the rotating ring, and a second limiting plate is fixedly connected to the side wall of the rotating ring. According to the utility model, after the primary connection of the rotating shaft and the fixing cap is completed in a threaded manner, the rotating ring is moved upwards to be attached to the fixing ring, and the clamping jaw I gradually slides outside the limiting plate II and the clamping jaw II slides outside the limiting plate I at the same time in a rotating manner, so that locking is completed; the connecting firmness is improved, and the loosening condition is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric appliance shaft technical field especially relates to a firm connection's household electrical appliance shaft. BACKGROUND

[0002] With the continuous improvement of people's living standards, various household appliances are increasingly widely used, such as washing machines, electric fans, juicers, vacuum cleaners and other products have become common equipment in the family. As an important part of the internal transmission system of these household appliances, the electric appliance shaft is usually used to transmit power, support rotating parts and realize precise cooperation of movement. Household appliance shafts need to have good strength, stability and wear resistance to ensure the stability and service life of the electric appliance during long-term operation.

[0003] The existing household appliance shaft is mostly made of metal material and is assembled with motor rotor, gear, blade and other parts by press fitting, key connection, threaded connection or welding, however, in the environment of long-time operation or frequent stress, the connection of the traditional thread will be loose due to vibration, which will affect the normal operation of the equipment. Therefore, a firm connection's household electrical appliance shaft is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a firm connection's household electrical appliance shaft, which aims at improving the problem that the connection of the thread in the prior art will be loose due to vibration.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A firm connection's household electrical appliance shaft, comprising a rotating shaft and a fixed cap, the rotating shaft top is fixedly connected with a threaded head, the threaded head side wall is connected in the fixed cap inside through thread, the rotating shaft side wall is provided with a rotating ring, the fixed cap side wall is fixedly connected with a fixed ring, the fixed ring side wall is fixedly connected with a jaw one, the fixed ring side wall is fixedly connected with a limit plate one, the rotating ring side wall is fixedly connected with a jaw two, the rotating ring side wall is fixedly connected with a limit plate two.

[0007] As a further description of the above technical scheme:

[0008] The fixed ring and the jaw one are staggered, and there is a gap between the fixed ring and the jaw one.

[0009] As a further description of the above technical scheme:

[0010] The jaw two and the limit plate two are staggered, and there is a gap between the jaw two and the limit plate two.

[0011] As a further description of the above technical scheme:

[0012] The one side wall of the claw is slidably connected to the second outer part of the limiting plate, and the two side walls of the claw are slidably connected to the first outer part of the limiting plate.

[0013] As a further description of the above technical solution:

[0014] The inner ring of the rotating ring is fixedly connected with a rectangular array of sliding blocks.

[0015] As a further description of the above technical solution:

[0016] The rotating shaft is internally provided with a plurality of sliding grooves, and the sliding grooves correspond to the sliding blocks.

[0017] As a further description of the above technical solution:

[0018] The rotating shaft is internally provided with an annular groove, and the sliding groove and the annular groove are in communication.

[0019] As a further description of the above technical solution:

[0020] The side wall of the sliding block is slidably connected to the inside of the sliding groove, and the side wall of the sliding block is slidably connected to the inside of the annular groove.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] In the utility model, after the preliminary connection of the rotating shaft and the fixing cap is completed through the threaded mode, the rotating ring is moved upward, and is attached to the fixing ring, and through the rotating mode, the claw one is gradually slid on the outside of the limiting plate two, and at the same time, the claw two is slid on the outside of the limiting plate one, and the locking is completed, through the cooperation between the above structures, the firmness of the connection is improved, and the loosening condition is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A three-dimensional schematic view of a household appliance shaft with firm connection is provided for the utility model;

[0024] Figure 2 A structure schematic view of the rotating shaft and the fixing cap of the household appliance shaft with firm connection is provided for the utility model;

[0025] Figure 3 A split structure schematic view of the household appliance shaft with firm connection is provided for the utility model;

[0026] Figure 4 A sliding groove structure schematic view of the household appliance shaft with firm connection is provided for the utility model;

[0027] Figure 5 A three-dimensional schematic view of a household appliance shaft with firm connection is provided for the utility model; Figure 1 An enlarged view of position A in the middle.

[0028] Legend:

[0029] 1, rotating shaft; 2, threaded head; 3, fixed cap; 4, fixed ring; 5, rotating ring; 6, claw one; 7, limiting plate one; 8, claw two; 9, limiting plate two; 10, sliding block; 11, sliding groove; 12, annular groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Referring to Figures 1-5 , the utility model provides an embodiment: a firm household appliance shaft of connecting, including rotating shaft 1 and fixed cap 3, rotating shaft 1 top fixedly connected with threaded head 2, threaded head 2 side wall is connected in fixed cap 3 inside with thread, to realize preliminary axial fixed, improve the stability of overall structure, rotating shaft 1 side wall is provided with rotating ring 5, fixed cap 3 side wall is fixedly connected with fixed ring 4, fixed ring 4 side wall is fixedly connected with claw one 6, fixed ring 4 side wall is fixedly connected with limiting plate one 7, forms first layer locking structure, rotating ring 5 side wall is fixedly connected with claw two 8, rotating ring 5 side wall is fixedly connected with limiting plate two 9, constitutes second layer locking auxiliary structure, fixed ring 4 and claw one 6 between staggered arrangement, effectively prevent structure interference, there is interval between fixed ring 4 and claw one 6, claw two 8 and limiting plate two 9 between staggered arrangement, there is interval between claw two 8 and limiting plate two 9, be favorable to sliding fit, guarantee the smoothness of locking action, claw one 6 side wall is connected in limiting plate two 9 outside with sliding, claw two 8 side wall is connected in limiting plate one 7 outside with sliding, the side wall of claw one 6 can slide along the outer surface of limiting plate two 9, and claw two 8 also is connected to the outside of limiting plate one 7 in sliding mode, to realize the dynamic adjustment of clamping state, rotating ring 5 inner ring is fixedly connected with the sliding block 10 of rectangular array, rotating shaft 1 inside is set up with a plurality of sliding groove 11, sliding groove 11 with sliding block 10 corresponding, for guiding the axial movement of sliding block 10, rotating shaft 1 inside is set up with annular groove 12, sliding groove 11 and annular groove 12 are linked, convenient for sliding block 10 from linear sliding transition to the free rotation position in annular groove 12, realize the switching action of locking and release, sliding block 10 side wall is connected in sliding groove 11 inside with sliding, sliding block 10 side wall is connected in annular groove 12 inside with sliding.

[0032] Working principle: after the threaded head 2 at the top of the rotating shaft 1 is twisted into the inside of the fixed cap 3, then the rotating ring 5 is moved upward, so that the slider 10 is moved from the inside of the sliding groove 11 to the inside of the annular groove 12, at this time the rotating ring 5 is attached to the fixed ring 4, and the pawl two 8 is between the pawl one 6 and the limiting plate one 7, and the pawl one 6 is also between the pawl two 8 and the limiting plate two 9, finally by rotating the rotating ring 5, the pawl one 6 is gradually slid outside the limiting plate two 9, at the same time the pawl two 8 is slid outside the limiting plate one 7, so that the fixed ring 4 and the rotating ring 5 are locked, further ensuring the firmness of the installation of the rotating shaft 1 and the fixed cap 3.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A securely connected household appliance shaft, comprising a rotating shaft (1) and a fixing cap (3), characterized in that: The top of the rotating shaft (1) is fixedly connected to a threaded head (2), the side wall of the threaded head (2) is threadedly connected to the inside of the fixing cap (3), the side wall of the rotating shaft (1) is provided with a rotating ring (5), the side wall of the fixing cap (3) is fixedly connected to a fixing ring (4), the side wall of the fixing ring (4) is fixedly connected to a first pawl (6), the side wall of the fixing ring (4) is fixedly connected to a first limiting plate (7), the side wall of the rotating ring (5) is fixedly connected to a second pawl (8), and the side wall of the rotating ring (5) is fixedly connected to a second limiting plate (9).

2. The firmly connected household appliance shaft according to claim 1, characterized in that: The fixing ring (4) and the first cleaver (6) are staggered, and there is a gap between the fixing ring (4) and the first cleaver (6).

3. The firmly connected household appliance shaft according to claim 1, characterized in that: The second claw (8) and the second limiting plate (9) are staggered, and there is a gap between the second claw (8) and the second limiting plate (9).

4. The firmly connected household appliance shaft according to claim 1, characterized in that: The side wall of the first claw (6) is slidably connected to the outside of the second limiting plate (9), and the side wall of the second claw (8) is slidably connected to the outside of the first limiting plate (7).

5. A securely connected household appliance shaft according to claim 1, characterized in that: The inner ring of the rotating ring (5) is fixedly connected to a rectangular array of sliders (10).

6. A securely connected household appliance shaft according to claim 5, characterized in that: The rotating shaft (1) has multiple sliding grooves (11) inside, and the sliding grooves (11) correspond to the slider (10).

7. A securely connected household appliance shaft according to claim 6, characterized in that: The rotating shaft (1) has an annular groove (12) inside, and the sliding groove (11) and the annular groove (12) are connected.

8. A securely connected household appliance shaft according to claim 7, characterized in that: The sidewall of the slider (10) is slidably connected inside the groove (11), and the sidewall of the slider (10) is slidably connected inside the annular groove (12).