Brushless push rod
By vertically arranging the control board and transmission mechanism within the protective box, the design solves the problems of axial space occupation and maintenance difficulties in existing brushless push rods, achieving a reduction in axial dimensions and convenient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-10
AI Technical Summary
The control board of the existing brushless push rod is installed inside the servo motor housing, which occupies axial space and is difficult to maintain.
The control board and transmission mechanism are arranged vertically inside the protective box. The protective box is a detachable structure, and the control board can be detached and installed inside the protective box to avoid occupying the internal axial space of the servo motor.
The axial dimension of the servo motor has been reduced, simplifying the disassembly and installation process of the control board and making maintenance easier.
Smart Images
Figure CN224111007U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to push rod technical field, especially in a kind of brushless push rod. BACKGROUND
[0002] Brushless push rod is a kind of precision transmission device for converting the rotary motion of servo motor into linear motion. Its core principle is that motor drives ball screw or nut rotation, and utilizes screw pair to convert rotary motion into linear reciprocating motion of push rod, so as to realize accurate position control, speed control and thrust control.
[0003] The control panel of existing brushless push rod is installed in the servo motor shell, thereby occupying a part of the axial space of motor, and when repairing or replacing, the shell of motor needs to be disassembled, in addition, bearing and bearing tight ring also need to be disassembled, which is very troublesome. UTILITY MODEL CONTENTS
[0004] The utility model solves the problem in the related art, proposes a kind of brushless push rod, control panel and transmission mechanism are arranged vertically in protective box, will not occupy the axial space inside servo motor, and will not exceed the radial dimension of protective box and motor shell, so that axial dimension is reduced;Control panel is detachably installed in protective box and protective box is detachable structure, both facilitate the disassembly and installation of control panel, facilitate maintenance.
[0005] In order to solve the above technical problem, the utility model is realized by the following technical scheme: a kind of brushless push rod, including servo motor, transmission mechanism, control panel, screw rod assembly and protective box, the control panel is connected with servo motor, the servo motor drives screw rod assembly to realize pushing by transmission mechanism, the protective box is detachable structure, the control panel and transmission mechanism are arranged vertically in protective box, the control panel and protective box are detachably assembled.
[0006] As a preferred scheme, the servo motor is brushless motor.
[0007] As a preferred scheme, the screw rod assembly includes screw rod, fixed rod, nut and mounting plate, the nut is threadedly connected with screw rod and fixedly connected with fixed rod, the mounting plate is installed at the end of fixed rod away from servo motor, the screw rod rotates under the drive of servo motor, so that the nut drives fixed rod to move.
[0008] As a preferred scheme, the transmission mechanism includes meshing worm wheel and worm, the worm is connected with motor rotor, the worm wheel is connected with screw rod and rotates the worm wheel and screw rod by servo motor.
[0009] As a preferred scheme, the protective box includes box cover and box body, the box cover is detachably installed on the box body by bolt, and the control panel is detachably installed in the slot on the inner wall of box body.
[0010] Compared with the prior art, the control board and the transmission mechanism are arranged vertically in the protection box, do not occupy the axial space inside the servo motor, do not exceed the radial dimension of the protection box and the motor shell, and the axial dimension is reduced; the control board is detachably installed in the protection box and the protection box is a detachable structure, so that the control board is convenient to disassemble and install and is convenient to maintain. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 is a schematic view of the overall structure of the utility model;
[0012] Fig. 2 is a schematic view of the structure of the utility model without the box cover.
[0013] In the drawings:
[0014] 1, servo motor, 2, transmission mechanism, 21, worm, 22, worm gear, 23, torsional spring, 3, control board, 4, screw rod assembly, 41, screw rod, 42, fixed rod, 43, nut, 44, mounting plate, 45, bearing, 5, protection box, 51, box cover, 52, box body. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, rather than any limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0016] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0017] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many options. The intent is to be accurate in describing the principles and novel features of the application. Thus, although the application has been described with reference to specific embodiments thereof, it will be apparent to those of ordinary skill in the art that a number of changes can be made to the embodiments described without departing from the spirit and scope of the application. For example, the various features of the application can be combined in any combination, where possible. Accordingly, the scope of the application is to be construed as encompassing modifications and variations of the specific examples described herein, subject only to the conditions of the prior art.
[0018] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.
[0019] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the example term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used herein is interpreted accordingly.
[0020] In addition, it should be noted that the use of the words "first", "second" and the like to define parts of components is only for the convenience of distinguishing the corresponding parts of components, and the above words have no special meaning unless otherwise stated, therefore, it cannot be understood as a limitation on the scope of protection of the present application.
[0021] AsFigs. 1-2 As shown in the drawings, a brushless push rod comprises a servo motor 1, a transmission mechanism 2, a control panel 3, a screw rod assembly 4 and a protective box 5, the protective box 5 is detachable, the servo motor 1 drives the screw rod assembly 4 through the transmission mechanism 2 to realize pushing, the control panel 3 and the transmission mechanism 2 are vertically arranged in the protective box 5, the protective box 5 is detachable, the control panel 3 in the interior is replaced, and the control panel 3 and the protective box 5 are detachably assembled, so that the control panel 3 is convenient to overhaul and maintain.
[0022] In one embodiment, the servo motor 1 is a brushless motor, comprising a motor rotor, a motor stator and a motor shell.
[0023] In one embodiment, the screw rod assembly 4 comprises a screw rod 41, a fixed rod 42, a nut 43 and a mounting plate 44, the nut 43 is threadedly connected with the screw rod 41 and fixedly connected with the fixed rod 42, the mounting plate 44 is mounted to one end of the fixed rod 42 away from the servo motor 1, and a bearing 45 is further mounted to one end of the screw rod 41 in the protective box 5, the screw rod 41 rotates under the drive of the servo motor 1, so that the nut 43 drives the fixed rod 42 to move.
[0024] In one embodiment, the transmission mechanism 2 comprises a worm wheel 21 and a worm 22 in engagement, the worm 21 is connected with the motor rotor, a torsional spring 23 is further mounted on the worm wheel 21, the worm wheel 21 is connected with the screw rod 41 and drives the worm wheel 21 and the screw rod 41 to rotate through the servo motor 1.
[0025] In one embodiment, the protective box 5 comprises a box cover 51 and a box body 52, the box cover 51 is detachably mounted on the box body 52 through bolts, convenient for mounting and dismounting; a slot is formed in the inner wall of the box body 52, the control panel 3 is mounted in the slot in the inner wall of the box body 52, convenient for mounting and dismounting; in addition, the box body 52 and the motor shell are connected through the buckle and the card slot.
[0026] The above is a preferred embodiment of the utility model, and the person skilled in the art of the utility model can also change and modify the above-mentioned embodiment, therefore, the utility model is not limited to the above-mentioned specific embodiment, and any obvious improvement, replacement or modification made by the person skilled in the art on the basis of the utility model belongs to the protection scope of the utility model.
Claims
1. A brushless push rod, comprising a servo motor (1), a transmission mechanism (2), a control board (3) and a screw rod assembly (4), the control board (3) is connected with the servo motor (1), the servo motor (1) drives the screw rod assembly (4) through the transmission mechanism (2) to realize pushing, characterized in that: The protection box (5) is detachable, the control panel (3) and the transmission mechanism (2) are vertically arranged in the protection box (5), and the control panel (3) and the protection box (5) are detachably assembled. 2. The brushless putter of claim 1, wherein: The servo motor (1) is a brushless motor.
3. The brushless putter of claim 1, wherein: The screw rod assembly (4) comprises a screw rod (41), a fixed rod (42), a nut (43) and a mounting plate (44), the nut (43) is threadedly connected with the screw rod (41) and fixedly connected with the fixed rod (42), the mounting plate (44) is mounted on one end of the fixed rod (42) away from the servo motor (1), and the screw rod (41) rotates under the drive of the servo motor (1) so as to drive the nut (43) to move the fixed rod (42).
4. The brushless putter of claim 3, wherein: The transmission mechanism (2) comprises a worm wheel (21) and a worm (22) in engagement, the worm (22) is connected with the motor rotor, and the worm wheel (21) is connected with the screw rod (41) and drives the worm wheel (21) and the screw rod (41) to rotate through the servo motor (1).
5. The brushless putter of claim 1, wherein: The protection box (5) comprises a box cover (51) and a box body (52), the box cover (51) is detachably mounted on the box body (52) by bolts, and the control panel (3) is detachably mounted in the slot on the inner wall of the box body (52).