CN219436783U - Hollow servo motor output shaft - Google Patents

Abstract

The utility model relates to the field of motor output shafts, in particular to a hollow servo motor output shaft, which comprises a motor main body, wherein an output shaft is rotationally connected inside the motor main body, a plurality of clamping blocks are fixedly arranged on the outer side surface of the output shaft at equal intervals, a hexagonal lantern ring is movably sleeved on the outer side of the output shaft, a hollow connecting rod is fixedly arranged on one end surface of the hexagonal lantern ring, a first threaded hole is formed in one side surface of the clamping block, round grooves are formed in the position, between two adjacent clamping blocks, of one end surface of the output shaft, stepped grooves are formed in the inner side surface of the hexagonal lantern ring, and the stepped grooves penetrate through the hexagonal lantern ring and are in sliding connection with the output shaft. According to the utility model, the hollow servo motor output shaft is changed into a combined structure, so that after one end of the output shaft is severely worn, the worn end of the output shaft can be conveniently and independently replaced, the maintenance process of the output shaft is simplified, and the labor and cost for replacing the whole output shaft are reduced.

Description

Hollow servo motor output shaft

Technical Field

The utility model relates to the field of motor output shafts, in particular to a hollow servo motor output shaft.

Background

The existing servo motor structure mainly comprises a complete machine structure and a stator-rotor split structure, torque is transmitted through key connection, taper connection or additional expansion sleeve, and the hollow servo motor is mainly technically characterized in that: the output shaft of the motor is a hollow metal tube.

The existing hollow servo motor output shaft is mostly integrally formed, after one end of the output shaft is seriously worn, the output shaft is required to be integrally replaced, the motor is required to be integrally detached during replacement, the replacement process is complex, time and labor are wasted, the replacement cost is high, and the output shaft is not convenient to replace alone at the worn end of the output shaft.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide the hollow servo motor output shaft, the hexagonal lantern ring and the output shaft are fixed by screwing the fastening bolt, the torque borne by the clamping blocks and the clamping grooves is shared, the clamping blocks and the clamping grooves disperse the torque borne by the output shaft and the hexagonal lantern ring, the shape of the hexagonal lantern ring increases the firmness of the hexagonal lantern ring during rotation, the good stretching resistance is maintained, the connection of the clamping blocks and the circular grooves is shared, the torque borne by the clamping blocks and the clamping grooves is shared, the connection position of the hexagonal lantern ring and the output end is firmer, and therefore, the hollow servo motor output shaft can be changed into a combined structure, the worn end of the output shaft is convenient to replace independently after one end of the output shaft is seriously worn, the maintenance process of the output shaft is simplified, and the labor and the cost for replacing the whole output shaft are reduced.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a cavity formula servo motor output shaft, includes the motor main part, the inside rotation of motor main part is connected with the output shaft, output shaft outside surface equidistance fixed mounting has a plurality of fixture blocks, the outside movable sleeve of output shaft is equipped with the hexagonal lantern ring, hexagonal lantern ring one end surface fixed mounting has the hollow connecting rod.

The method is further characterized in that: a first threaded hole is formed in the surface of one side of the clamping block, and a circular groove is formed in the position, located between two adjacent clamping blocks, of one end surface of the output shaft.

The method is further characterized in that: the inner side surface of the hexagonal lantern ring is provided with a stepped groove, the stepped groove penetrates through the hexagonal lantern ring and is in sliding connection with the output shaft, and the inner side surface of the stepped groove is provided with a plurality of clamping grooves at equal intervals.

The method is further characterized in that: the clamping groove is movably clamped and connected with the clamping block, a plurality of second threaded holes are formed in the outer side surface of the hexagonal lantern ring at equal intervals, fastening bolts are screwed and connected in the second threaded holes, and the fastening bolts penetrate through the second threaded holes and are screwed and connected with the first threaded holes.

The method is further characterized in that: a plurality of reinforcing rods are fixedly mounted on one side surface of the stepped groove at equal intervals, and the reinforcing rods are movably clamped and connected with the circular groove.

The method is further characterized in that: the connecting portion is symmetrically arranged at one end of the outer side surface of the hollow connecting rod, and the conical reinforcing portion is fixedly arranged at the joint of the outer side surface of the hollow connecting rod and the hexagonal lantern ring.

The utility model has the beneficial effects that:

through with hexagonal lantern ring cover in the output shaft outside, make draw-in groove and fixture block, twist fastening bolt, make it and screw hole spin, fix hexagonal lantern ring and output shaft, share the moment of torsion that fixture block and draw-in groove received simultaneously, when the output shaft rotates, the moment of torsion that a plurality of fixture blocks and draw-in groove dispersion output shaft and hexagonal lantern ring received, the fastness when the hexagonal lantern ring self shape increases its rotation, keep good stretch-proofing nature, through the connection of a plurality of stiffening rods and circular slot, share the moment of torsion that fixture block and draw-in groove received, make hexagonal lantern ring and output junction more firm, thereby can change the hollow servo motor output shaft into combined structure through, after output shaft one end wearing and tearing are serious, be convenient for change the output shaft wearing and tearing end alone, simplify the maintenance process of output shaft, reduce the manpower and the cost that change the output shaft whole consumes.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall split structure of the present utility model;

FIG. 3 is a schematic vertical sectional view of the hexagonal collar and the output shaft of the present utility model;

FIG. 4 is a schematic side cross-sectional view of a hex collar and output shaft according to the present utility model;

FIG. 5 is a schematic view of the hexagonal collar and output shaft of the present utility model in an oblique cross-section.

In the figure: 1. a motor main body; 101. an output shaft; 102. a clamping block; 103. a first threaded hole; 104. a circular groove; 2. a hexagonal collar; 201. a second threaded hole; 202. a fastening bolt; 203. a clamping groove; 204. a reinforcing rod; 205. a stepped groove; 3. a hollow connecting rod; 301. a tapered reinforcement portion; 302. and a connecting part.

Description of the embodiments

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a hollow servo motor output shaft includes a motor main body 1, wherein an output shaft 101 is rotatably connected in the motor main body 1, a plurality of clamping blocks 102 are fixedly mounted on the outer side surface of the output shaft 101 at equal intervals, a hexagonal lantern ring 2 is movably sleeved on the outer side of the output shaft 101, and a hollow connecting rod 3 is fixedly mounted on one end surface of the hexagonal lantern ring 2.

A first threaded hole 103 is formed in one side surface of the clamping block 102, and a circular groove 104 is formed in the surface of one end of the output shaft 101 between two adjacent clamping blocks 102; the inner side surface of the hexagonal lantern ring 2 is provided with a stepped groove 205, the stepped groove 205 penetrates through the hexagonal lantern ring 2 and is in sliding connection with the output shaft 101, and the inner side surface of the stepped groove 205 is provided with a plurality of clamping grooves 203 at equal intervals; the clamping groove 203 is movably clamped and connected with the clamping block 102, a plurality of second threaded holes 201 are formed in the outer side surface of the hexagonal lantern ring 2 at equal intervals, a fastening bolt 202 is screwed and connected in the second threaded holes 201, the fastening bolt 202 penetrates through the second threaded holes 201 and is screwed and connected with the first threaded holes 103, the hexagonal lantern ring 2 is sleeved on the outer side of the output shaft 101, the clamping groove 203 is clamped with the clamping block 102, the fastening bolt 202 is screwed and connected with the first threaded holes 103, the hexagonal lantern ring 2 and the output shaft 101 are fixed, torque received by the clamping block 102 and the clamping groove 203 is shared, when the output shaft 101 rotates, the torque received by the output shaft and the hexagonal lantern ring 2 is dispersed by the clamping grooves 203, the shape of the hexagonal lantern ring 2 increases the firmness when the hexagonal lantern ring 2 rotates, and good stretching resistance is kept; a plurality of reinforcing rods 204 are fixedly mounted on one side surface of the stepped groove 205 at equal intervals, the reinforcing rods 204 are movably clamped and connected with the circular groove 104, the torque born by the clamping blocks 102 and the clamping grooves 203 is shared through the connection of the reinforcing rods 204 and the circular groove 104, so that the joint of the hexagonal lantern ring 2 and the output end 101 is firmer, the hollow servo motor output shaft 101 can be changed into a combined structure, the worn end of the output shaft 101 is convenient to replace independently after the end of the output shaft 101 is worn seriously, the maintenance process of the output shaft 101 is simplified, and the labor and cost for replacing the whole output shaft 101 are reduced.

The connecting portion 302 is symmetrically arranged at one end of the outer side surface of the hollow connecting rod 3, the conical reinforcing portion 301 is fixedly arranged at the connecting portion of the outer side surface of the hollow connecting rod 3 and the hexagonal lantern ring 2, the connecting area of the hollow connecting rod 3 and the hexagonal lantern ring 2 is increased through the conical reinforcing portion 301, meanwhile, the firmness of the connecting portion of the hollow connecting rod 3 and the hexagonal lantern ring 2 is increased, and the connecting portion 302 is used for connecting the output shaft 101 with an external connected piece.

Working principle: during the use, overlap hexagonal lantern ring 2 in the output shaft 101 outside, make draw-in groove 203 and fixture block 102 block, twist fastening bolt 202, make it with screw hole 103 spin, fix hexagonal lantern ring 2 and output shaft 101, share the moment of torsion that fixture block 102 and draw-in groove 203 received simultaneously, when output shaft 101 rotates, the moment of torsion that a plurality of fixture blocks 102 and draw-in groove 203 disperse output shaft and hexagonal lantern ring 2 received, the fastness when hexagonal lantern ring 2 self shape increases its own rotation, keep good stretch-proofing nature, through the connection of a plurality of stiffener 204 and circular slot 104, share the moment of torsion that fixture block 102 and draw-in groove 203 received, make hexagonal lantern ring 2 and output 101 junction more firm, thereby can change hollow servo motor output shaft 101 into the integrated structure, after output shaft 101 one end wearing and tearing seriously, be convenient for change alone output shaft 101 wearing and tearing the end, simplify the maintenance process of output shaft 101, reduce the manpower and the cost of changing output shaft 101 overall consumption, conical reinforcement 301 increases hollow connecting rod 3 and hexagonal lantern ring 2's connection area, simultaneously increase hollow connecting rod 3 and hexagonal lantern ring 2 junction 302, be used for being connected firmly with external world 101.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims (6)

1. The utility model provides a cavity formula servo motor output shaft, its characterized in that, includes motor main part (1), motor main part (1) inside rotation is connected with output shaft (101), output shaft (101) outside surface equidistance fixed mounting has a plurality of fixture blocks (102), output shaft (101) outside movable sleeve is equipped with hexagonal lantern ring (2), hexagonal lantern ring (2) one end surface fixed mounting has hollow connecting rod (3).

2. The hollow servo motor output shaft according to claim 1, wherein a first threaded hole (103) is formed in one side surface of the clamping block (102), and circular grooves (104) are formed in one end surface of the output shaft (101) between two adjacent clamping blocks (102).

3. A hollow servo motor output shaft according to claim 2, characterized in that the inner side surface of the hexagonal lantern ring (2) is provided with a stepped groove (205), the stepped groove (205) penetrates through the hexagonal lantern ring (2) and is in sliding connection with the output shaft (101), and the inner side surface of the stepped groove (205) is provided with a plurality of clamping grooves (203) at equal intervals.

4. A hollow servo motor output shaft according to claim 3, characterized in that the clamping groove (203) is movably clamped with the clamping block (102), a plurality of second threaded holes (201) are formed in the outer side surface of the hexagonal lantern ring (2) at equal intervals, fastening bolts (202) are screwed and connected in the second threaded holes (201), and the fastening bolts (202) penetrate through the second threaded holes (201) and are screwed and connected with the first threaded holes (103).

5. The hollow servo motor output shaft according to claim 4, wherein a plurality of reinforcing rods (204) are fixedly installed on one side surface of the stepped groove (205) at equal intervals, and the reinforcing rods are movably clamped and connected with the circular groove (104).

6. A hollow servo motor output shaft according to claim 1, characterized in that a connecting part (302) is symmetrically arranged at one end of the outer side surface of the hollow connecting rod (3), and a conical reinforcing part (301) is fixedly arranged at the connecting part of the outer side surface of the hollow connecting rod (3) and the hexagonal lantern ring (2).