Gear assembly

Abstract

The utility model provides a gear assembly, and belongs to the technical field of gears. The problems that an existing gear is single in use direction and inconvenient to lubricate are solved. The gear assembly comprises an output shaft and first helical teeth arranged on the output shaft and further comprises an assembling shell for installing the output shaft, a through hole groove is formed in the upper end face of the assembling shell, and a steering assembly which is connected with the assembling shell, meshed with the first helical teeth and used for achieving steering output is arranged at the position, located at the through hole groove, of the assembling shell. The steering assembly is composed of a first steering unit, a second steering unit and a third steering unit, the assembly shell is composed of two fixed blocks and two movable blocks, the two movable blocks are connected with the fixed blocks through the movable units, the output shaft is arranged on one fixed block, the first steering unit is arranged on the other fixed block and connected with the other fixed block, and the second steering unit is arranged on the other fixed block. The second steering unit and the third steering unit are arranged on the corresponding movable blocks respectively. The utility model has the advantages that the use directions are diversified and the lubrication is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of gears and relates to a gear assembly. Background Art

[0002] A gear is a mechanical element with teeth on the rim that can continuously mesh to transmit motion and power. The transmission direction of existing gears is generally single, but in actual use, the transmission direction of the gear needs to be changed, and the change of transmission direction is generally carried out through helical teeth. The combination of conventional gears and helical teeth requires specific assembly, which makes its assembly relatively cumbersome. At the same time, its long-term wear and lubrication is relatively inconvenient, which does not meet the use requirements. Summary of the invention

[0003] The purpose of the utility model is to provide a gear assembly which is easy to assemble and lubricate in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a gear assembly, comprising an output shaft and a helical tooth one arranged on the output shaft, characterized in that it also includes an assembly shell for mounting the output shaft and arranged in a rectangular structure, and a through hole groove arranged in a rectangular structure is opened on the upper end surface of the assembly shell, the assembly shell is provided with a steering assembly connected to the through hole groove and meshing with the helical tooth one and used for steering output, the steering assembly is composed of a steering unit one, a steering unit two and a steering unit three, the assembly shell is composed of two fixed blocks and two movable blocks, the two movable blocks are connected to the fixed block through the movable unit, the above-mentioned output shaft is arranged on one of the fixed blocks, the steering unit one is arranged on the other fixed block and connected to it, and the steering unit two and the steering unit three are respectively arranged on the corresponding movable blocks.

[0005] In the above-mentioned gear assembly, the steering unit one, steering unit two and steering unit three are all composed of a steering shaft and a steering gear arranged on the steering shaft, and the fixed block and the movable block are both provided with mounting holes for installing the corresponding steering shaft and output shaft, and the fixed block and the movable block are both provided with bearings connected to them and facilitating the movement of the steering shaft and the output shaft at the mounting holes.

[0006] In the above-mentioned gear assembly, the movable unit is composed of a plurality of movable rods, one end of each of the movable rods is fixedly connected to the movable block, and the end surface of the fixed block connected to the movable block is provided with a plurality of slide slot holes for the corresponding movable rods to be inserted and installed and slideably matched with the same, and the upper end surface or the lower end surface of the fixed block located at the slide slot hole is provided with a connecting groove connected to the slide slot hole, so the fixed block is provided at the connecting groove with a limit rod threadedly connected to the fixed block, in conflict with the movable rod, and used to limit the position of the movable rod, and the outer end of the limit rod is provided with a rotating handwheel connected to the fixed block and convenient for manual rotation.

[0007] Compared with the prior art, the gear assembly has the following advantages:

[0008] 1. The assembly shell is located at the through hole groove and is provided with a steering assembly connected to it and meshing with the helical tooth one and used for steering output. The steering assembly consists of steering unit one, steering unit two and steering unit three. The assembly shell consists of two fixed blocks and two movable blocks. The two movable blocks are connected to the fixed blocks through the movable units. The above-mentioned output shaft is arranged on one of the fixed blocks, the steering unit one is arranged on the other fixed block and connected to it, and the steering unit two and the steering unit three are respectively arranged on the corresponding movable blocks. The arrangement of the above-mentioned structure facilitates the assembly and meshing transmission of the helical teeth, and lubrication is also relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a top view structural diagram of the gear assembly of this notebook.

[0010] In the figure, 1, output shaft; 2, bevel gear 1; 3, assembly shell; 4, fixed block; 5, movable block; 6, steering shaft; 7, steering gear; 8, movable rod; 9, limit rod. DETAILED DESCRIPTION

[0011] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0012] like Figure 1As shown, the gear assembly includes an output shaft 1 and a helical tooth 1 2 arranged on the output shaft 1. A conventional gear can be arranged on the output shaft 1. It also includes an assembly shell 3 for mounting the output shaft 1 and arranged in a rectangular structure. The conventional gear is located outside the assembly shell 3, and a through hole groove arranged in a rectangular structure is opened on the upper end surface of the assembly shell 3. The assembly shell 3 is provided with a steering assembly connected to the through hole groove and meshed with the helical tooth 1 2 and used for steering output. The steering assembly consists of a steering unit 1, a steering unit 2 and a steering unit 3. The assembly shell 3 consists of two fixed blocks 4 and two movable blocks 5. The two movable blocks 5 are The output shaft 1 is arranged on one of the fixed blocks 4, the bevel gear 1 2 is arranged in the through hole groove through the output shaft 1, the steering unit 1 is arranged on the other fixed block 4 and connected thereto, the steering unit 2 and the steering unit 3 are arranged on the corresponding movable block 5, the steering unit 1, the steering unit 2 and the steering unit 3 are respectively arranged on the corresponding movable block 5, the steering unit 1, the steering unit 2 and the steering unit 3 are all composed of a steering shaft 6 and a steering gear 7 arranged on the steering shaft 6, and the steering gear 7 is a bevel gear structure, the fixed block 4 and the movable block 5 are provided with mounting holes for the corresponding steering shaft 6 and the output shaft 1 to be installed, and the fixed block 4 and the movable block 5 are provided with The bearing connected thereto and facilitating the movement of the steering shaft 6 and the output shaft 1, the end surfaces of the fixed block 4 and the movable block 5 located at the mounting hole are provided with annular protrusions connected thereto and facilitating the installation of the bearing, the movable unit is composed of a plurality of movable rods 8, one end of the plurality of movable rods 8 is fixedly connected to the movable block 5, the end surface of the fixed block 4 connected to the movable block 5 is provided with a plurality of slide holes for the corresponding movable rods 8 to extend into and install and to slide with them, the upper end surface or the lower end surface of the fixed block 4 located at the slide hole is provided with a connecting groove connected to the slide hole, and the fixed block 4 is provided with a threaded connection with it at the connecting groove The movable rod 8 is connected to the movable rod 8, and is in conflict with the movable rod 8, and is used to limit the position of the movable rod 8. The outer end of the limit rod 9 is provided with a rotating handwheel connected to it and convenient for manual rotation. The number of the above-mentioned movable rods 8 is generally two or four. When the number is four, the upper end face and the lower end face of the fixed block 4 are provided with connecting grooves. When the movable block 5 is separated from the fixed block 4, a connecting shaft can be added between the output shaft 1 and the steering shaft 6 coaxially arranged therewith, so as not to affect the normal use of its axial output. For this purpose, both the output shaft 1 and the steering shaft 6 can be provided with assembly grooves for installing the connecting shaft, and the connecting shaft can also be directly fixed and installed.

[0013] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0014] Although the term ", " and " are used more frequently in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A gear assembly, comprising an output shaft (1) and a helical tooth (2) disposed on the output shaft (1), characterized in that: The invention also comprises an assembly shell (3) for mounting the output shaft (1) and arranged in a rectangular structure, and a through hole groove arranged in a rectangular structure is opened on the upper end surface of the assembly shell (3), and a steering assembly connected to the through hole groove and meshing with the helical tooth 1 (2) and used for steering output is arranged at the assembly shell (3), and the steering assembly comprises a steering unit 1, a steering unit 2 and a steering unit 3, and the assembly shell (3) comprises two fixed blocks (4) and two movable blocks (5), and the two movable blocks (5) are connected to the fixed block (4) through the movable units, the output shaft (1) is arranged on one of the fixed blocks (4), the steering unit 1 is arranged on the other fixed block (4) and connected to it, and the steering unit 2 and the steering unit 3 are respectively arranged on the corresponding movable blocks (5).

2. A gear assembly according to claim 1, characterized in that: The steering unit 1, the steering unit 2 and the steering unit 3 are all composed of a steering shaft (6) and a steering tooth (7) arranged on the steering shaft (6); the fixed block (4) and the movable block (5) are both provided with mounting holes for mounting the corresponding steering shaft (6) and the output shaft (1); the fixed block (4) and the movable block (5) are both provided with bearings connected thereto and facilitating the movement of the steering shaft (6) and the output shaft (1) at the mounting holes.

3. A gear assembly according to claim 1, characterized in that: The movable unit is composed of a plurality of movable rods (8), one end of each of the plurality of movable rods (8) is fixedly connected to the movable block (5), a plurality of slide slot holes are provided on the end surface of the fixed block (4) connected to the movable block (5) for the corresponding movable rods (8) to be inserted and installed and to slide with the movable rods (8), a connecting groove connected to the slide slot hole is provided on the upper end surface or the lower end surface of the fixed block (4) located at the slide slot hole, so that the fixed block (4) is provided at the connecting groove with a limit rod (9) which is threadedly connected to the fixed block (4), contacts the movable rod (8) and is used to limit the position of the movable rod (8), and a rotating hand wheel connected to the fixed block (4) and convenient for manual rotation is provided at the outer end of the limit rod (9).

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