Integrated high box manual shaft

Abstract

The utility model discloses an integrated high box manual shaft, which relates to the technical field of vehicle maintenance equipment, and comprises a transmission box body and a fixing assembly, a long shaft is arranged between the transmission box body and the fixing assembly, the transmission box body comprises a lower cover and an upper cover, one side of the lower cover and one side of the upper cover are respectively provided with an installation seat, and the installation seats are connected with the long shaft. A worm is mounted in the mounting seat through a pair of bearings, a multi-wedge belt pulley is mounted at one end of the worm, a worm wheel is further mounted between the lower cover and the upper cover and meshed with the worm, the long shaft is connected with the worm wheel through a flat key, a lock disc assembly is mounted at the upper end of the long shaft, and a lock disc is mounted at the lower end of the lock disc assembly. The ratio of the height from the lower surface of the lower cover to the upper surface of the upper cover to the height from the upper surface of the upper cover to the upper surface of the lock disc assembly is 1: 1.35.

Description

Technical Field

[0001] This utility model applies to the field of vehicle maintenance equipment technology, specifically an integrated high-box manual shaft. Background Technology

[0002] A manual locking axle is a mechanical tool specifically designed for the automotive repair and tire service industries. Its core function is to secure tires or rims with a locking mechanism, providing a stable operating environment during tire replacement or removal. This tool is widely used in auto repair shops, tire service centers, and related mechanical repair facilities, and is an indispensable piece of equipment in tire maintenance and replacement. The working principle of a manual locking axle is based on its mechanical structure. It typically consists of a central axle, a locking mechanism, and an operating handle. The central axle is inserted into the center hole of the tire or rim, while the locking mechanism securely fastens the tire or rim to the axle via threads or other mechanical structures. The operating handle is used to manually operate the locking and unlocking process, ensuring the tire remains stable during replacement or removal. If the central axle is too long during tire rotation, it may lead to decreased axle stability. Increased axle length weakens stability and increases the required torque, making it prone to wobbling during rotation. This wobbling not only affects tire balance but can also prevent operators from accurately maneuvering during tire replacement or removal, increasing repair difficulty. Furthermore, wobbling can pose serious safety hazards. Utility Model Content

[0003] To address the aforementioned problems, specifically those raised in the background section, this utility model patent proposes an integrated high-profile manual shaft, comprising a transmission housing and a fixing assembly. A long shaft is installed between the transmission housing and the fixing assembly, with a bearing mounted at the lower end of the long shaft. The bearing has a diameter of 130mm. The transmission housing includes a lower cover and an upper cover, each with a mounting seat on one side. A worm gear is mounted within the mounting seat via a pair of bearings, and a multi-wedge pulley is mounted at one end of the worm gear. A turbine is also installed between the lower cover and the upper cover, meshing with the worm gear. The long shaft is connected to the turbine via a flat key. A locking disc assembly is mounted at the upper end of the long shaft. The ratio of the height between the lower surface of the lower cover and the upper surface of the upper cover to the height between the upper surface of the upper cover and the upper surface of the locking disc assembly is 1:1.35.

[0004] A further feature of this utility model patent is that the fixing component includes a lead screw inserted into the long shaft, the lead screw and the long shaft are fixed together by a pair of fixing pins, a fixing cone seat is fitted on the lead screw, the upper end of the lead screw is threaded and a locking nut is threadedly connected to it.

[0005] A further feature of this utility model patent is that a spring is fitted on the lead screw and located between the fixed cone and the locking nut.

[0006] A further feature of this utility model patent is that the locking disc assembly includes a locking disc base and an upper locking disc, the locking disc base and the upper locking disc are jointly equipped with a positioning slide, and a plurality of sets of balls and grooves are provided between the locking disc base and the upper locking disc for locking.

[0007] A further feature of this utility model patent is that a protective pad is also installed on the locking disc.

[0008] The beneficial technical effects of this utility model patent are as follows: by optimizing the structural design of the transmission box and the fixing components, the height of the transmission box is increased, the length of the intermediate shaft is reduced, and shaking during rotation is avoided, thus improving stability. The spring setting can effectively buffer the impact force and protect the safety of tools and operators. At the same time, the cooperation between the locking nut and the fixing cone seat ensures the firm fixing of the tire or wheel hub. Several sets of balls and grooves are set between the locking disc seat and the upper locking disc to lock together. Working in conjunction with the locking nut, the tire locking effect can be improved. The protective pad on the locking disc assembly can prevent direct contact between the tool and the tire or wheel hub, avoiding scratches or damage to the surface of the tire and wheel hub. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the structure of this utility model;

[0010] Figure 2 This is a schematic diagram of the transmission housing structure described in this utility model.

[0011] Reference numerals in the attached diagram: 1. Lower cover, 2. Mounting base, 3. Worm gear, 4. Multi-wedge pulley, 5. Turbine, 6. Long shaft, 7. Upper cover, 8. Fixing pin, 9. Lead screw, 10. Locking disc seat, 11. Upper locking disc, 12. Positioning slide, 13. Fixing cone seat, 14. Locking nut, 15. Spring, 16. Protective pad. Detailed Implementation

[0012] The preferred embodiments of this utility model patent are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely for explaining the technical principles of this utility model patent and are not intended to limit the scope of protection of this utility model patent.

[0013] This utility model patent proposes an integrated high-box manual shaft, including a transmission housing and a fixing assembly. A long shaft 6 is installed between the transmission housing and the fixing assembly. A bearing with a diameter of 130mm is installed at the lower end of the long shaft 6. The transmission housing includes a lower cover 1 and an upper cover 7. A mounting seat 2 is provided on one side of both the lower cover 1 and the upper cover 7. A worm gear 3 is installed in the mounting seat 2 through a pair of bearings. A multi-wedge pulley 4 is installed at one end of the worm gear 3. A turbine 5 is also installed between the lower cover 1 and the upper cover 7. The turbine 5 meshes with the worm gear 3. The long shaft 6 is connected to the turbine 5 by a flat key. A locking disc assembly is installed at the upper end of the long shaft 6. The lower surface of the lower cover 1... The height ratio between the upper surface of the upper cover 7 and the upper surface of the upper cover 7 is 1:1.35; the fixing assembly includes a lead screw 9 inserted into the long shaft 6, the lead screw 9 and the long shaft 6 are fixed by a pair of fixing pins 8, a fixing cone seat 13 is fitted on the lead screw 9, the upper end of the lead screw 9 is threaded and threaded to a locking nut 14; a spring 15 is fitted on the lead screw 9 and located between the fixing cone seat 13 and the locking nut 14; the locking disc assembly includes a locking disc seat 10 and an upper locking disc 11, the locking disc seat 10 and the upper locking disc 11 are jointly mounted with a positioning slide 12; a protective pad 16 is also installed on the upper locking disc 11.

[0014] Assembly of the transmission housing: The lower cover 1 and the upper cover 7 are connected together with bolts or other fasteners to form a closed housing structure. This design not only protects the internal transmission components from external dust and impurities but also improves the stability and reliability of the entire transmission system. This forms the main structure of the transmission housing, increases its height, and widens the distance between the long shaft 6 and the two bearings in the housing, resulting in better rotational stability of the long shaft 6. Mounting seats 2 are provided on one side of both the lower cover 1 and the upper cover 7, and a pair of bearings are used to mount the worm gear 3 within the mounting seats 2. A multi-wedge pulley 4 is installed at one end of the worm gear 3 to drive its rotation. Installation of the worm gear 5: The worm gear 5 is installed between the lower cover 1 and the upper cover 7, ensuring proper meshing between the worm gear 5 and the worm gear 3. Installation of the long shaft 6: The long shaft 6 is installed between the transmission housing and the fixed assembly, and connected to the worm gear 5 using a flat key. A locking disc assembly, including a locking disc seat 10, an upper locking disc 11, and a positioning slide 12, is installed at the upper end of the long shaft 6. Several sets of balls and grooves are provided between the locking disc seat 10 and the upper locking disc 11 for locking, working in conjunction with the locking nut 14 to improve tire locking effect. A bearing is installed at the lower end of the long shaft 6; the bearing diameter is changed from 90mm to 130mm to increase torque. A protective pad 16 is installed on the upper locking disc 11 to protect the tire or rim. A lead screw 9 is inserted into the long shaft 6 and fixed to it by a pair of fixing pins 8. The fit between the fixing pins 8 and the grooves matching the lead screw 9 can be adjusted according to the rim width. A fixing cone seat 13 is fitted onto the lead screw 9, and a locking nut 14 is installed at the upper end of the lead screw 9. A spring 15 is fitted between the fixing cone seat 13 and the locking nut 14 to buffer impact force.

[0015] Although this utility model patent has been described with reference to preferred embodiments, various modifications can be made to it and components can be replaced with equivalents without departing from the scope of this utility model patent. In particular, as long as there is no structural conflict, the technical features mentioned in the various embodiments can be combined in any way. This utility model patent is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0016] In the description of this utility model patent, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for descriptive purposes and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0017] 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.

[0018] 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.

[0019] 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 high-box manual shaft, comprising a transmission housing and a fixing assembly, characterized in that: A long shaft (6) is installed between the transmission housing and the fixed assembly. A bearing is installed at the lower end of the long shaft (6). The bearing has a shaft diameter of 130 mm. The transmission housing includes a lower cover (1) and an upper cover (7). A mounting seat (2) is provided on one side of both the lower cover (1) and the upper cover (7). A worm gear (3) is installed in the mounting seat (2) through a pair of bearings. A multi-wedge pulley (4) is installed at one end of the worm gear (3). A turbine (5) is also installed between the lower cover (1) and the upper cover (7). The turbine (5) meshes with the worm gear (3). The long shaft (6) is connected to the turbine (5) through a flat key. A locking disc assembly is installed at the upper end of the long shaft (6). The height ratio between the lower surface of the lower cover (1) and the upper surface of the upper cover (7) and the height ratio between the upper surface of the upper cover (7) and the upper surface of the locking disc assembly is 1:1.

35.

2. The integrated high-box manual shaft according to claim 1, characterized in that: The fixing component includes a lead screw (9) inserted into the long shaft (6), the lead screw (9) and the long shaft (6) are fixed by a pair of fixing pins (8), a fixing cone seat (13) is fitted on the lead screw (9), the upper end of the lead screw (9) is threaded, and a locking nut (14) is threaded to it.

3. The integrated high-box manual shaft according to claim 2, characterized in that: A spring (15) is fitted on the lead screw (9) and between the fixed cone seat (13) and the locking nut (14).

4. The integrated high-box manual shaft according to claim 1, characterized in that: The locking disc assembly includes a locking disc base (10) and an upper locking disc (11). The locking disc base (10) and the upper locking disc (11) are jointly equipped with a positioning slide (12). A number of sets of balls and grooves are provided between the locking disc base (10) and the upper locking disc (11) for locking.

5. The integrated high-box manual shaft according to claim 4, characterized in that: A protective pad (16) is also installed on the locking disc (11).

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