Hollow bearing for motor of sweeping robot

Abstract

The utility model relates to the technical field of floor mopping robots, in particular to a hollow bearing for a motor of a floor mopping robot, which comprises a bearing main body, a hollow cavity is arranged in the bearing main body, and a top sleeving groove is arranged in the bearing main body and positioned on one side of the hollow cavity; a bottom sleeving groove is formed in the side, away from the top sleeving groove, of the interior of the bearing body. Four sets of limiting structures are arranged in the bottom sleeving groove and the top sleeving groove correspondingly, and limiting work during bearing installation is facilitated through the limiting structures. According to the hollow bearing, the bottom chamfering part and the top chamfering part are arranged, and the bottom chamfering part and the top chamfering part are matched with each other, so that the convenience when the hollow bearing is sleeved is improved, and the labor intensity when the hollow bearing is mounted is reduced; and meanwhile, limiting is conducted through the limiting structure, loosening and rotating work generated after installation is prevented, and therefore limiting work after the hollow bearing is installed is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sweeping robots, in particular to a hollow bearing for a sweeping robot motor. Background Art

[0002] A sweeping robot is a smart home appliance that can automatically vacuum the floor. It is called a robot because it can detect factors such as room size, furniture placement, floor cleanliness, etc., and rely on built-in programs to develop a reasonable cleaning route. It has a certain degree of intelligence, so it is called a robot. The motor of a sweeping robot needs to use a hollow bearing when working.

[0003] The existing hollow bearings are complicated to install, which not only increases the labor intensity during installation, but also reduces the work efficiency during installation; the existing hollow bearings are difficult to limit during installation, so after long-term use, they will rotate due to loosening, which will affect the subsequent use of the hollow bearings and bring great troubles to people's use. Utility Model Content

[0004] The utility model aims to provide a hollow bearing for a motor of a sweeping robot, so as to solve the problem in the above background technology that the existing hollow bearing is complicated to install and may rotate due to loosening.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow bearing for a sweeping robot motor, comprising a bearing body, a hollow cavity being opened inside the bearing body, a top fitting groove being arranged inside the bearing body and on one side of the hollow cavity, and the top fitting groove is connected with the hollow cavity; a bottom fitting groove is arranged on the side of the bearing body away from the top fitting groove, and the bottom fitting groove is connected with the hollow cavity; four sets of limiting structures are arranged inside the bottom fitting groove and the top fitting groove, and the limiting structures facilitate the limiting work when the bearing is installed.

[0006] Preferably, a bottom chamfered portion is provided at one end of the bottom fitting groove, which facilitates the fitting work of the bottom fitting groove, and the chamfering specification of the bottom chamfered portion is C0.3.

[0007] Preferably, a top chamfered portion is provided at one end of the top fitting groove, which facilitates the fitting work of the top fitting groove, and the chamfering specification of the top chamfered portion is C0.2.

[0008] Preferably, the limiting structure is composed of a limiting inner groove and a limiting outer groove, and the limiting inner grooves are arranged in four groups, and the four groups of limiting inner grooves are opened on the inner walls of the top set groove and the bottom set groove, and the angle between adjacent limiting inner grooves is ninety degrees.

[0009] Preferably, a limiting outer groove is provided on one side of the limiting inner groove, and the limiting outer groove and the limiting inner groove are communicated with each other, and the limiting outer groove cooperates with the limiting inner groove for limiting work during installation.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the hollow bearing for the motor of the sweeping robot is provided with a bottom chamfered portion on the surface of the bottom fitting groove, and a top chamfered portion on the surface of the top fitting groove, and the bottom chamfered portion and the top chamfered portion cooperate with each other, thereby improving the convenience of the hollow bearing during fitting and reducing the labor intensity during installation of the hollow bearing; when the hollow bearing is installed, the limiting structure is used for limiting, and when the limiting structure is implemented, the limiting inner groove and the limiting outer groove are used to make it cooperate with the installation surface to prevent loose rotation after installation, thereby realizing the limiting work after the installation of the hollow bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0012] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0013] Figure 3 It is a schematic diagram of the structure of the utility model from top view.

[0014] In the figure: 1. bearing body; 2. hollow cavity; 3. bottom fitting groove; 31. bottom chamfered portion; 4. top fitting groove; 41. top chamfered portion; 5. limiting structure; 51. limiting inner groove; 52. limiting outer groove. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0016] The utility model provides a structure of a hollow bearing for a motor of a sweeping robot. Figure 1 as well as Figure 2As shown, it includes a bearing body 1, a hollow cavity 2 is provided inside the bearing body 1, a top fitting groove 4 is provided inside the bearing body 1 and on one side of the hollow cavity 2, and the top fitting groove 4 is communicated with the hollow cavity 2, and a top chamfered portion 41 is provided at one end of the top fitting groove 4, the top chamfered portion 41 facilitates the fitting work of the top fitting groove 4, and the chamfering specification of the top chamfered portion 41 is C0.2; a bottom fitting groove 3 is provided on the side of the bearing body 1 away from the top fitting groove 4, and the bottom fitting groove 3 is communicated with the hollow cavity 2, and a bottom chamfered portion 31 is provided at one end of the bottom fitting groove 3, the bottom chamfered portion 31 facilitates the fitting work of the bottom fitting groove 3, and the chamfering specification of the bottom chamfered portion 31 is C0.3.

[0017] During implementation, by setting a bottom chamfered portion 31 on the surface of the bottom fitting groove 3 and a top chamfered portion 41 on the surface of the top fitting groove 4, the bottom chamfered portion 31 and the top chamfered portion 41 cooperate with each other, thereby improving the convenience of fitting the hollow bearing and reducing the labor intensity during installation of the hollow bearing.

[0018] Furthermore, if Figure 2 as well as Figure 3 As shown, four groups of limiting structures 5 are arranged inside the bottom sleeve groove 3 and the top sleeve groove 4, and the limiting structures 5 are convenient for limiting work during bearing installation. The limiting structures 5 are composed of limiting inner grooves 51 and limiting outer grooves 52. Four groups of limiting inner grooves 51 are arranged. The four groups of limiting inner grooves 51 are opened on the inner walls of the top sleeve groove 4 and the bottom sleeve groove 3, and the angle between adjacent limiting inner grooves 51 is ninety degrees. A limiting outer groove 52 is arranged on one side of the limiting inner groove 51, and the limiting outer groove 52 is connected with the limiting inner groove 51, and the limiting outer groove 52 cooperates with the limiting inner groove 51 for limiting work during installation.

[0019] During implementation, the limiting inner groove 51 and the limiting outer groove 52 are used to cooperate with the installation surface to prevent loosening and rotation after installation, thereby achieving the limiting work of the hollow bearing after installation.

[0020] Working principle: When in use, by setting a bottom chamfered portion 31 on the surface of the bottom fitting groove 3, and setting a top chamfered portion 41 on the surface of the top fitting groove 4, the bottom chamfered portion 31 and the top chamfered portion 41 cooperate with each other, which improves the convenience of the hollow bearing during fitting and reduces the labor intensity during the installation of the hollow bearing.

[0021] When the hollow bearing is installed, it is limited by the limiting structure 5. When the limiting structure 5 is implemented, the limiting inner groove 51 and the limiting outer groove 52 are used to cooperate with the installation surface to prevent loosening and rotation after installation, thereby achieving the limiting work after the installation of the hollow bearing and finally completing the use of the hollow bearing.

[0022] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A hollow bearing for a motor of a sweeping robot, comprising a bearing body (1), characterized in that: The bearing body (1) is provided with a hollow cavity (2) inside, and a top sleeve groove (4) is provided inside the bearing body (1) and on one side of the hollow cavity (2), and the top sleeve groove (4) is communicated with the hollow cavity (2); a bottom sleeve groove (3) is provided inside the bearing body (1) on a side away from the top sleeve groove (4), and the bottom sleeve groove (3) is communicated with the hollow cavity (2); and four sets of limiting structures (5) are provided inside both the bottom sleeve groove (3) and the top sleeve groove (4), and the limiting structures (5) facilitate the limiting work when the bearing is installed.

2. The hollow bearing for a motor of a sweeping robot according to claim 1, characterized in that: A bottom chamfered portion (31) is provided at one end of the bottom fitting groove (3), and the bottom chamfered portion (31) facilitates the fitting work of the bottom fitting groove (3), and the chamfering specification of the bottom chamfered portion (31) is C0.

3.

3. The hollow bearing for a motor of a sweeping robot according to claim 1, characterized in that: A top chamfered portion (41) is provided at one end of the top fitting groove (4), and the top chamfered portion (41) facilitates the fitting work of the top fitting groove (4), and the chamfering specification of the top chamfered portion (41) is C0.

2.

4. The hollow bearing for a motor of a sweeping robot according to claim 1, characterized in that: The limiting structure (5) is composed of a limiting inner groove (51) and a limiting outer groove (52). The limiting inner grooves (51) are arranged in four groups. The four groups of limiting inner grooves (51) are provided on the inner walls of the top set groove (4) and the bottom set groove (3), and the angle between adjacent limiting inner grooves (51) is ninety degrees.

5. The hollow bearing for a motor of a sweeping robot according to claim 4, characterized in that: A limiting outer groove (52) is provided on one side of the limiting inner groove (51), and the limiting outer groove (52) and the limiting inner groove (51) are communicated with each other. The limiting outer groove (52) cooperates with the limiting inner groove (51) for limiting work during installation.

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