Integrated manual locking shaft

By designing the worm gearbox and locking rod assembly together, the problem of wheel hub instability caused by loose nuts was solved, achieving stable clamping and safe locking of the wheel hub, and improving the stability and efficiency of operation.

CN223919045UActive Publication Date: 2026-02-17YINGKOU CHENGLI AUTO MAINTENANCE EQUIP PROCESSING CO LTD
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Patent Information

Application Number
CN202520796609.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-17
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

In existing technologies, the nuts of integrated manual locking shafts are prone to loosening during use, leading to wheel hub instability and posing a safety hazard.

Method used

An integrated manual locking shaft was designed, which includes components such as a worm gearbox, worm shaft, locking rod assembly, locking disc seat, upper locking disc, and steel balls. Through the cooperation of the slide, the locking pin and the steel balls, the wheel hub is stably clamped, and the locking force is improved by the rolling of the steel balls and the principle of the inclined plane.

Benefits of technology

This improves the stability and reliability of the device, ensuring that the wheel hub does not loosen when locked, thus enhancing operational safety and work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated manual locking shaft, which relates to the field of tire maintenance service and comprises a turbine reduction gearbox, a turbine shaft is mounted on the turbine reduction gearbox, a locking rod component is inserted in the turbine shaft, a locking plate seat is mounted between the upper wall surface of the turbine shaft and the locking rod component through a hexagon bolt, and a locking plate is mounted on the locking plate seat. An upper lock disc is installed above the lock disc seat, steel balls are installed between the lock disc seat and the upper lock disc, and a gasket and a protective sleeve are installed on the upper lock disc.
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Description

TECHNICAL FIELD

[0001] The utility model is suitable for tire maintenance service field, specifically is integral type manual locking axle. BACKGROUND

[0002] Integral type manual locking axle is a kind of mechanical tool, it is usually used in automobile repair and tire service industry, is used to replace or dismount tire, currently when using, only through nut locking, nut is easy to rotate when rotating or carrying out relevant operation, and then make hub loose, affect artificial operation and also easy to occur dangerous. CONTENT OF UTILITY MODEL

[0003] To solve the above-mentioned problems, i.e. to solve the problems proposed in the above background technology, the utility model patent proposes an integral type manual locking axle, including turbine reduction gearbox, the turbine reduction gearbox is installed with turbine shaft, the turbine shaft is inserted with locking rod assembly, the turbine shaft upper wall surface is installed with lock disc seat through hexagon bolt between the locking rod assembly, the lock disc seat upper installation has upper lock disc, the lock disc seat and the upper lock disc between installation have steel ball, the upper lock disc is installed with washer and protective sleeve.

[0004] The utility model patent further provides that: the upper lock disc upper wall surface is installed with sliding seat through sliding seat pin, the sliding seat is installed with positioning shaft, the washer and the protective sleeve inner circumferential wall surface are all set with recess, and the sliding seat is located in the recess.

[0005] The utility model patent further provides that: the lock disc seat upper wall surface and the upper lock disc lower wall surface correspondingly set with several installation grooves, and the steel ball is installed in the installation groove.

[0006] The utility model patent further provides that: the turbine shaft side wall is inserted with a pair of clamping pins.

[0007] The beneficial technical effects of the utility model patent are that the locking rod assembly can be pulled out from the turbine shaft, the hub is convenient to install and disassemble, and the operation is simple and fast. The hub is fixed by adjusting the slide seat to the appropriate position, and the teeth of the locking rod assembly and the bayonet lock are clamped, which can adapt to hubs of different thicknesses, greatly improves the versatility and flexibility of the device; the design of multiple protrusions of the locking rod assembly, the protrusions are clamped with the bayonet lock after rotation, realize the firm connection with the turbine shaft, further enhance the stability and reliability of the device, at the same time, this structure design also makes the locking operation more convenient and fast, improves the work efficiency; the steel ball is installed in the installation groove between the lock disc seat and the upper lock disc, when the upper lock disc rotates under the action of external force, the steel ball will generate upward force on the inclined surface of the installation groove, and then clamp the hub. This design uses the rolling and inclined surface principle of the steel ball, which can effectively improve the locking force, ensure the stability and reliability of the hub in the locked state, and prevent loosening, thereby ensuring the safety of the equipment operation. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 The utility model structure schematic drawing is shown in the figure.

[0009] Figure 2 The utility model is an explosion diagram.

[0010] The drawings show that: 1, turbine reduction gearbox, 2, turbine shaft, 3, lock disc seat, 4, upper lock disc, 5, gasket, 6, protective sleeve, 7, locking rod assembly, 8, steel ball, 9, shaft card, 10, slide seat pin, 11, slide seat, 12, bayonet lock, 13, positioning shaft. DETAILED DESCRIPTION

[0011] The preferred embodiments of the utility model patent will be described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the utility model patent, and are not intended to limit the protection scope of the utility model patent.

[0012] The utility model discloses an integrated manual locking shaft, including turbine reduction gearbox 1, turbine reduction gearbox 1 is installed with turbine shaft 2, the turbine shaft 2 inserts and is installed with locking lever assembly 7, the upper wall surface of turbine shaft 2 is installed with lock disc seat 3 through the hexagon bolt between locking lever assembly 7, the upper wall surface of lock disc seat 3 is installed with upper lock disc 4, lock disc seat 3 with upper lock disc 4 between installation has steel ball 8, the upper wall surface of upper lock disc 4 is installed with washer 5 and protective sleeve 6, the upper wall surface of upper lock disc 4 is installed with slide seat 11 through slide seat pin 10, the upper wall surface of slide seat 11 is installed with positioning shaft 13, the inner circumferential wall of washer 5 and protective sleeve 6 all is set up with recess, slide seat 11 is located in recess, the upper wall surface of lock disc seat 3 with the lower wall surface of upper lock disc 4 corresponds and is set up with a plurality of installation groove, steel ball 8 is installed in installation groove, turbine shaft 2 side wall inserts and is installed with a pair of card pin 12.

[0013] Before use, locking lever assembly 7 is extracted from turbine shaft 2. The hub outer ring is placed on the protective sleeve 6, the hub center hole is aligned with the upper lock disc 4 center hole, the slide seat 11 is adjusted to the appropriate position to assist in fixing the hub, the locking lever assembly 7 is inserted, the teeth are clamped with the card pin 12, the design of the plurality of protrusions of the locking lever assembly 6 can be clamped with the card pin 10 after 90 degree rotation, the linkage between the locking lever assembly 6 and the turbine shaft 2 is realized, and different thicknesses of the hub can be adapted.

[0014] Although the utility model has been described with reference to the preferred embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model, especially, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

[0015] In the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and is not indicative or suggestive of the device or element having a specific orientation, being constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicative or suggestive of relative importance.

[0016] Furthermore, it should be noted that, in the description of this utility model patent, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model patent according to the specific circumstances.

[0017] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles, or apparatus / devices.

[0018] The technical solution of this utility model patent has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of this utility model patent is obviously not limited to these specific embodiments. Without departing from the principles of this utility model patent, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of this utility model patent.

Claims

1. An integrated manual locking shaft, including a worm gearbox (1), characterized in that: The turbine gearbox (1) is equipped with a turbine shaft (2). A locking rod assembly (7) is inserted into the turbine shaft (2). A locking disc seat (3) is installed between the upper wall of the turbine shaft (2) and the locking rod assembly (7) by hexagonal bolts. An upper locking disc (4) is installed above the locking disc seat (3). A steel ball (8) is installed between the locking disc seat (3) and the upper locking disc (4). A washer (5) and a protective sleeve (6) are installed on the upper locking disc (4).

2. The integrated manual locking shaft according to claim 1, characterized in that: The upper wall of the locking disc (4) is fitted with a slide block (11) via a slide block pin (10). A positioning shaft (13) is mounted on the slide block (11). Grooves are provided on the inner circumferential wall of the washer (5) and the protective sleeve (6). The slide block (11) is located in the groove.

3. The integrated manual locking shaft according to claim 1, characterized in that: The upper wall of the lock plate seat (3) and the lower wall of the upper lock plate (4) are provided with several mounting grooves, and the steel ball (8) is installed in the mounting groove.

4. The integrated manual locking shaft according to claim 1, characterized in that: A pair of locking pins (12) are inserted into the side wall of the turbine shaft (2).