CN-224218206-U - Motor limiting device and cradle head

CN224218206UCN 224218206 UCN224218206 UCN 224218206UCN-224218206-U

Abstract

The utility model discloses a motor limiting device, which comprises a motor rotor and a motor stator, wherein the motor rotor is rotationally connected with the motor stator, the motor rotor comprises a limiting seat, the motor stator comprises a base, the base is rotationally connected with the limiting seat, an accommodating space is arranged in the base, a hollow iron core winding is arranged in the accommodating space, a hollow rotating shaft is arranged on the limiting seat, the hollow rotating shaft penetrates through the iron core winding, a bearing is arranged on the periphery of the rotating shaft, an annular part of a limiting ring is embedded into the inner side of the iron core winding, the limiting ring is positioned on the periphery of one end of an outer bearing of the bearing, an inner bearing sleeve of the bearing is arranged on the periphery of the rotating shaft, a second limiting part is arranged on the rotating shaft, and when the rotating shaft rotates, the second limiting part rotates along with the rotating shaft, a first limiting part is arranged on the limiting ring. According to the utility model, the annular part of the limiting ring is embedded into the inner side of the iron core winding, the strength of the limiting ring is enhanced under the support of the iron core winding, and when the first limiting part and the second limiting part mutually resist and limit, the strength and reliability of limiting are enhanced.

Inventors

WEI CHENGBIN
Zhao Rufei
CHEN FAZHAN
FAN YONGQIAN
WU FU
LV XUEYING

Assignees

桂林飞宇科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250423

Claims (5)

1. The motor limiting device is characterized by comprising a motor rotor and a motor stator, wherein the motor rotor is rotationally connected with the motor stator, the motor rotor comprises a limiting seat (2), the motor stator comprises a base (1), the base (1) is rotationally connected with the limiting seat (2), an accommodating space is formed in the base (1), a hollow iron core winding (6) is arranged in the accommodating space, a hollow rotating shaft (21) is arranged on the limiting seat (2), the hollow rotating shaft (21) penetrates through the iron core winding (6), a bearing (5) is arranged on the periphery of the hollow rotating shaft (21), an annular part of a limiting ring (4) is embedded in the inner side of the iron core winding (6), the limiting ring (4) is located on the periphery of one end of an outer bearing of the bearing (5), an inner bearing sleeve of the bearing (5) is arranged on the periphery of the hollow rotating shaft (21), a second limiting part (211) is arranged on the hollow rotating shaft (21), a first limiting part (41) is arranged on the limiting ring (4) along with the hollow rotating shaft (21), and the first limiting part (41) and the second limiting part (211) are mutually limited under the action of an external force.
2. The motor limiting device according to claim 1, wherein the first limiting part (41) of the limiting ring (4) is of a step structure, and when the motor limiting device is assembled, the step part of the first limiting part (41) is clamped and fixed with the inside of the iron core winding (6).
3. The motor limiting device of claim 1, wherein the center of the accommodating space of the base (1) is provided with a connecting seat (11), the iron core winding (6) is arranged between the inner wall of the base (1) and the connecting seat (11), the connecting seat (11) is provided with a third protrusion (111), one side of the limiting ring (4) opposite to the first limiting part (41) is provided with a groove (42), the third protrusion (111) is connected with the groove (42) in a matching way, and the limiting ring (4) is arranged on the inner wall of the iron core winding (6) and is connected with the connecting seat (11) in a matching way.
4. The motor limiting device according to claim 1, wherein the first limiting part (41) of the limiting ring (4) is provided with a groove, the second limiting part (211) is a second protrusion, the second protrusion is connected with the groove in a matching manner, or the first limiting part (41) of the limiting ring (4) is a first protrusion, the second limiting part (211) is a second protrusion, the second limiting part (211) is limited by the first protrusion, or the first limiting part (41) is a first protrusion, the second limiting part (211) is provided with a groove, and the groove on the second limiting part (211) is connected with the first protrusion in a matching manner.
5. A cradle head comprising a motor stop device according to any one of claims 1 to 4.

Description

Motor limiting device and cradle head Technical Field The utility model relates to the technical field of holders, in particular to a motor limiting device and a holder. Background The existing motor limiting device comprises a first limiting part arranged on a rotating shaft of a motor, a second limiting part arranged on a motor stator, and the second limiting part are mutually matched and limited. The second limiting part is arranged on the surface of the motor stator, and the limiting part with the structure has the problem of insufficient strength. Therefore, a motor limiting device and a cradle head are needed to solve the above problems. Disclosure of utility model In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model provides a motor stop device, including motor rotor and motor stator, motor rotor rotates with motor stator to be connected, motor rotor includes spacing seat, motor stator includes the base, base and spacing seat rotate to be connected, be equipped with accommodation space in the base, be equipped with hollow core winding in the accommodation space, be equipped with hollow pivot on the spacing seat, hollow pivot passes core winding, the periphery of pivot is equipped with the bearing, the annular part of spacing ring inlays locates the core winding inboard, and the spacing ring is located the periphery of the one end of the outer bearing of bearing, the periphery at the pivot is established to the interior bearing housing of bearing, be equipped with the spacing portion of second in the pivot, during the pivot rotates along with the pivot, be equipped with first spacing portion on the spacing ring, first spacing portion and the spacing portion of second are spacing each other under the exogenic action. Preferably, the center of the accommodation space of the base is provided with a connecting seat, the iron core winding is arranged between the inner wall of the base and the connecting seat, the connecting seat is provided with a third bulge, one side of the limiting ring opposite to the first limiting part is provided with a groove, the third bulge is connected with the groove in a matching way, and the limiting ring is arranged on the inner wall of the iron core winding and is connected with the connecting seat in a matching way. Preferably, the first limiting part of the limiting ring is of a step structure, and when the limiting ring is assembled, the step part of the first limiting part is clamped and fixed with the inside of the iron core winding. Preferably, the first limiting part of the limiting ring is provided with a groove, the second limiting part is a second bulge, the second bulge is connected with the groove in a matched mode, or the first limiting part of the limiting ring is a first bulge, the second limiting part is a second bulge, the second limiting part and the first bulge resist limiting, or the first limiting part is a bulge, the second limiting part is provided with a groove, and the groove on the second limiting part is connected with the first bulge in a matched mode. A cradle head comprises the motor limiting device. By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress: According to the utility model, the annular part of the limiting ring is embedded into the inner side of the iron core winding, and the strength of the limiting ring is enhanced under the support of the iron core winding, so that the strength of the first limiting part is enhanced, and when the first limiting part and the second limiting part are mutually limited, the reliability of the limiting strength is enhanced. Drawings In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art. FIG. 1 is a schematic diagram of a motor limiting device according to the present utility model; fig. 2 is an exploded view of the motor limiting device of the present utility model. The main element symbol description comprises 1, a base, 2, a limiting seat, 4, a limiting ring, 5, a bearing, 6, an iron core winding, 21, a hollow rotating shaft, 211, a second limiting part, 41, a first limiting part, 11, a connecting seat, 111 and a third protrusion. The utility model will be further described in the following detailed description in conjunction with the above-described drawings Detailed Description In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descript