CN217633761U

CN217633761U - Gear box bearing locking structure

Info

Publication number: CN217633761U
Application number: CN202221489341.6U
Authority: CN
Inventors: 卓惟; 蓝余永; 黄勇; 赵雷; 魏森
Original assignee: Liuzhou Saike Technology Development Co Ltd
Current assignee: Liuzhou Saike Technology Development Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-10-21
Anticipated expiration: 2032-06-15

Abstract

The utility model provides a gear box bearing locking structure, including pinion assembly, bearing and locking bolt, the pinion assembly includes axle and gear, the bearing is installed epaxially, the tip of the axle of pinion assembly is equipped with the axial mounting hole, be equipped with the internal thread on the mounting hole, the locking bolt includes pole body and head, the head of locking bolt is the radial outside spacing arch of bellied annular that plays of pressing from both sides tight bearing, the pole of locking bolt is built-in with the external screw thread on the pole body, pole body with the mounting hole is screw-thread fit, the head will the bearing presss from both sides tightly on the pinion assembly. The beneficial effects of the utility model are that: improve traditional nut lock bearing for locking bolt lock bearing to carry out institutional advancement to the pinion assembly, install locking bolt's most length to the inside of pinion assembly, reduced the occupation to the space, have compact, lightweight advantage.

Description

Gear box bearing locking structure

Technical Field

The utility model relates to a gear box especially relates to a gear box bearing locking structure.

Background

The transmission bearing can be axially moved by the axial force of the gear during operation, so that a locking structure needs to be designed for fastening the transmission bearing. The common nut locking structure has large space occupation rate, and is not beneficial to the compactness and the light weight design of the transmission.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a compact, lightweight gearbox bearing locking structure.

The utility model provides a gear box bearing locking structure, including pinion assembly, bearing and locking bolt, the pinion assembly includes the axle and installs at epaxial gear, the bearing is installed the epaxial of pinion assembly, the tip of the axle of pinion assembly is equipped with axial mounting hole, be equipped with the internal thread on the mounting hole, the locking bolt includes pole body and head, the head of locking bolt radially outwards plays bellied annular spacing arch for pressing from both sides tight bearing, the pole body of locking bolt is equipped with the external screw thread, the pole body of locking bolt with the mounting hole is screw-thread fit, the head of locking bolt will the bearing presss from both sides tightly on the pinion assembly, adopts modified locking bolt to lock the bearing axial, has changed the axial locking mode of gear box bearing, makes shafting project organization lighter-weight, improves space utilization.

As a further improvement of the utility model, the head of the locking bolt is pressed on the inner ring of the bearing.

As a further improvement of the utility model, the head of the locking bolt is provided with an inner hexagonal hole.

As a further improvement of the utility model, the mounting hole is a through hole, so that the weight can be further reduced.

As a further improvement of the utility model, the head of the locking bolt is sheet-shaped.

As a further improvement of the utility model, the cross section of the locking bolt is T-shaped.

The utility model has the advantages that: improve traditional nut lock bearing for lock bolt lock bearing to carry out structural improvement to the pinion shaft assembly, with the inside of most length installation to the pinion shaft assembly of lock bolt, reduced the occupation to the space, have compact, lightweight advantage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without creative efforts.

Fig. 1 is an exploded schematic view of the bearing locking structure of the gear box of the present invention.

Fig. 2 is a schematic cross-sectional view of a bearing locking structure of a gear box according to the present invention.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further described with reference to the following description and embodiments.

As shown in fig. 1 to 2, a gear box bearing locking structure includes a gear shaft assembly 3, a bearing 1, a bearing 4 and a locking bolt 2, where the gear shaft assembly 3 includes a shaft 301 and a gear 302 installed on the shaft 301, the bearing 2 is installed on the shaft 301 of the gear shaft assembly 3, an axial installation hole 3011 is formed in an end portion of the shaft 301 of the gear shaft assembly 3, an internal thread is formed in the installation hole 3011, the locking bolt 1 includes a shaft body 101 and a head portion 102, the head portion 102 of the locking bolt 1 is an annular limiting protrusion which protrudes outward in a radial direction and clamps the bearing, an external thread is formed on the shaft body 101 of the locking bolt 1, the shaft body 101 of the locking bolt 1 is in threaded fit with the installation hole 3011, and the head portion 102 of the locking bolt 1 clamps the bearing 2 on the gear shaft assembly 3.

The head 102 of the locking bolt 1 presses against the inner ring 201 of the bearing 2.

The head 102 of the locking bolt 1 is provided with a hexagon socket 103.

In the bearing locking structure of the gear box provided by the utility model, a shaft 301 of a gear shaft assembly 3 is provided with a through hole and is tapped with an internal thread; after the locking bolt 1 is screwed into the internal thread, the inner ring of the bearing 2 is locked, the required space is converted into the shaft system, the internal space of the shaft is utilized to carry out thread fastening structural arrangement, and compared with the traditional structure that the shaft is extended to be used as an external thread and the nut is used as an internal thread, the axial space of the gear shaft assembly is reduced; the transmission is more beneficial to the compactness and light weight design.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a gear box bearing locking structure which characterized in that: including pinion assembly, bearing and locking bolt, the pinion assembly includes the axle and installs at epaxial gear, the bearing is installed the epaxial of pinion assembly, the tip of the axle of pinion assembly is equipped with axial mounting hole, be equipped with the internal thread on the mounting hole, the locking bolt includes pole body and head, the head of locking bolt is radial outside playing bellied annular spacing arch for pressing from both sides tight bearing, be equipped with the external screw thread on the pole body of locking bolt, the pole body of locking bolt with the mounting hole is screw-thread fit, the head of locking bolt will the bearing presss from both sides tightly on the pinion assembly.

2. A gearbox bearing locking arrangement as defined in claim 1, wherein: the head of the locking bolt is tightly pressed on the inner ring of the bearing.

3. A gearbox bearing locking arrangement according to claim 1, wherein: and the head of the locking bolt is provided with an inner hexagonal hole.

4. A gearbox bearing locking arrangement as defined in claim 1, wherein: the mounting hole is a through hole.

5. A gearbox bearing locking arrangement according to claim 1, wherein: the head of the locking bolt is sheet-shaped.

6. A gearbox bearing locking arrangement according to claim 1, wherein: the cross section of the locking bolt is T-shaped.