CN222499643U - Step rotating shaft for motor of sewing machine - Google Patents

Abstract

The utility model discloses a step rotating shaft for a sewing machine motor, belonging to the field of step rotating shafts, comprising a step rotating shaft main body, the step rotating shaft main body consisting of a fixed step rotating shaft and a detachable step rotating shaft, the detachable step rotating shaft being installed at one end of the fixed step rotating shaft, one end of the detachable step rotating shaft being symmetrically fixedly installed with two connecting blocks, the connecting blocks being pluggable in the fixed step rotating shaft, a fixed structure being movably installed in the fixed step rotating shaft, the fixed structure consisting of a threaded rod, a disassembly rotating block and a fixed clamping plate, there are two disassembly rotating blocks which are respectively fixedly installed at both ends of the threaded rod, by arranging a step rotating shaft main body consisting of a fixed step rotating shaft and a detachable step rotating shaft, when in use, the detachable step rotating shaft can be replaced according to use requirements, thereby ultimately improving the practicality of the step rotating shaft main body; by arranging the fixed structure and the connecting block, the disassembly and assembly of the fixed step rotating shaft and the detachable step rotating shaft can be facilitated.

Description

Step rotating shaft for motor of sewing machine

Technical Field

The utility model relates to the field of step rotating shafts, in particular to a step rotating shaft for a motor of a sewing machine.

Background

The step rotating shaft is a specially designed shaft part and is mainly characterized in that steps with different diameters are arranged on the shaft. The steps enable the shaft to be matched and installed with parts of different specifications or types, and power or motion transmission is achieved. Step spindles are commonly used in devices requiring rotational movement such as motors, transmissions, robotic arms, and the like. The design of the step rotating shaft is mainly used for improving the efficiency and stability of the motor. The design of the step rotating shaft can optimize the force transmission path inside the motor, reduce energy loss and improve the efficiency of the motor. Meanwhile, the stability and durability of the motor can be improved through the structure of the step rotating shaft, so that the motor can maintain good performance in a long-time and high-strength working environment. The conventional step rotating shaft is often in an integrated structure, such as a motor shaft with a stepped structure, which is proposed in the patent application with the application number of CN202320848487.3, so that the diameter of a step on the step rotating shaft cannot be changed according to the use requirement, and the practicability of the step rotating shaft is reduced, and therefore, the step rotating shaft for a motor of a sewing machine is required to solve the problem.

Disclosure of utility model

The utility model mainly aims to provide a step rotating shaft for a motor of a sewing machine, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a step pivot for sewing machine motor, includes step pivot main part, step pivot main part comprises fixed step pivot and can dismantle the step pivot, can dismantle the one end of step pivot installation at fixed step pivot, can dismantle one end symmetry fixed mounting of step pivot has two connecting blocks, the connecting block can peg graft in fixed step pivot, movable mounting has fixed knot to construct in the fixed step pivot, fixed knot constructs comprises threaded rod, dismouting rotatory piece and fixed cardboard, the dismouting rotatory piece has two and respectively fixed mounting at the both ends of threaded rod, fixed cardboard has two and all installs on the threaded rod.

Preferably, the hexagonal slot has been seted up to the one end of fixed step pivot, two storage tanks have been seted up to the symmetry on the outer wall of fixed step pivot, two through-holes have been seted up to the symmetry in the fixed step pivot, the through-hole is with hexagonal slot and storage tank intercommunication.

Preferably, a fixing slot and a connecting slot are formed in one end of the connecting block, the fixing slot is communicated with the connecting slot, and the connecting block can be inserted into a hexagonal slot formed in one end of the fixed step rotating shaft.

Preferably, the threaded rod on the fixed structure is rotatably installed in a hexagonal slot and a through hole which are formed in the fixed step rotating shaft, and the disassembly and assembly rotating block is rotatably installed in a storage groove formed in the outer wall of the fixed step rotating shaft.

Preferably, the connecting block can be sleeved on the threaded rod through the connecting groove.

Preferably, the fixed clamping plate on the fixed structure is provided with a threaded hole, the fixed clamping plate is arranged on the threaded rod through the threaded hole formed in the fixed clamping plate, the fixed clamping plate is positioned in a hexagonal slot formed in the rotating shaft of the fixed step, and the fixed clamping plate can be simultaneously embedded in a fixed clamping groove formed in the connecting block.

Compared with the prior art, the utility model has the following beneficial effects:

Through setting up the step pivot main part that comprises fixed step pivot and detachable step pivot, when using, can dismantle the step pivot and change according to the user demand to finally can promote the practicality of step pivot main part, through setting up fixed knot structure and connecting block, can be convenient for the dismouting of fixed step pivot and detachable step pivot.

Drawings

FIG. 1 is a split view of the whole of the present utility model;

FIG. 2 is a schematic view of a structure of a fixed step shaft according to the present utility model;

FIG. 3 is a schematic diagram of the position relationship structure of the connecting block and the fixing structure of the present utility model;

FIG. 4 is a schematic structural view of the fixing structure of the present utility model;

Fig. 5 is a schematic structural view of a sewing machine motor according to the present utility model.

In the figure, 1, a fixed step rotating shaft, 2, a detachable step rotating shaft, 3, a connecting block, 4, a fixed structure, 5, a hexagonal slot, 6, a containing groove, 7, a through hole, 8, a step rotating shaft main body, 9, a fixed clamping groove, 10, a connecting groove, 11, a threaded rod, 12, a detachable rotating block, 13, a fixed clamping plate, 14 and a threaded hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, 2, 3, 4 and 5, a step shaft for a motor of a sewing machine includes a step shaft main body 8, the step shaft main body 8 is composed of a fixed step shaft 1 and a detachable step shaft 2, the detachable step shaft 2 is installed at one end of the fixed step shaft 1, a hexagonal slot 5 is provided at one end of the fixed step shaft 1, two receiving slots 6 are symmetrically provided on the outer wall of the fixed step shaft 1, two through holes 7 are symmetrically provided in the fixed step shaft 1, the hexagonal slot 5 is communicated with the receiving slots 6 by the through holes 7, two connecting blocks 3 are symmetrically and fixedly installed at one end of the detachable step shaft 2, the connecting blocks 3 can be inserted in the fixed step shaft 1, a fixing structure 4 is movably installed in the fixed step shaft 1, the fixing structure 4 is composed of a threaded rod 11, a disassembling rotating block 12 and a fixing clamping plate 13, the disassembly and assembly rotating block 12 is provided with two and is respectively and fixedly arranged at two ends of the threaded rod 11, the fixed clamping plates 13 are provided with two and are respectively arranged on the threaded rod 11, one end of the connecting block 3 is provided with the fixed clamping groove 9 and the connecting groove 10, the fixed clamping groove 9 is mutually communicated with the connecting groove 10, the connecting block 3 can be inserted into the hexagonal slot 5 arranged at one end of the fixed step rotating shaft 1, the threaded rod 11 on the fixed structure 4 is rotatably arranged in the hexagonal slot 5 and the through hole 7 arranged on the fixed step rotating shaft 1, the disassembly and assembly rotating block 12 is rotatably arranged in the accommodating groove 6 arranged on the outer wall of the fixed step rotating shaft 1, the connecting block 3 can be sleeved on the threaded rod 11 through the connecting groove 10, the fixed clamping plate 13 on the fixed structure 4 is provided with the threaded hole 14, the fixed clamping plate 13 is arranged on the threaded rod 11 through the threaded hole 14 arranged on the fixed clamping plate 13, the fixed cardboard 13 is located the hexagon slot 5 of seting up on the fixed step pivot 1, and fixed cardboard 13 can imbed simultaneously in the fixed draw-in groove 9 of seting up on connecting block 3, through setting up the step pivot main part 8 that comprises fixed step pivot 1 and detachable step pivot 2, when using, can dismantle step pivot 2 and change according to the user demand to finally can promote the practicality of step pivot main part 8, through setting up fixed knot constructs 4 and connecting block 3, can be convenient for fix step pivot 1 and can dismantle the dismouting of step pivot 2.

It should be noted that, the utility model is a step spindle for a sewing machine motor, when in use, the detachable step spindle 2 can be disassembled and replaced according to the use requirement, the method is that firstly, a tool is used to rotate the threaded rod 11 through the disassembly and assembly rotating block 12, so that two fixing clamping plates 13 are mutually close, when the fixing clamping plates 13 are moved out of the fixing clamping grooves 9 formed on the connecting blocks 3, the fixing of the connecting blocks 3 is released, then the connecting blocks 3 can be pulled out of the hexagonal slots 5, at this time, the disassembly of the detachable step spindle 2 is completed, then the detachable step spindle 2 which needs to be replaced is installed on the fixed step spindle 1, the method is that only the connecting blocks 3 at one end of the detachable step spindle 2 are needed to be inserted into the hexagonal slots 5, then the threaded rod 11 on the fixing structure 4 is rotated, so that the fixing clamping plates 13 are finally embedded into the fixing clamping grooves 9, at this time, the replacement of the detachable step spindle 2 is completed.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or that equivalents may be substituted for part of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The step rotating shaft for the motor of the sewing machine comprises a step rotating shaft main body (8) and is characterized in that the step rotating shaft main body (8) consists of a fixed step rotating shaft (1) and a detachable step rotating shaft (2), the detachable step rotating shaft (2) is installed at one end of the fixed step rotating shaft (1), two connecting blocks (3) are symmetrically and fixedly installed at one end of the detachable step rotating shaft (2), the connecting blocks (3) can be inserted into the fixed step rotating shaft (1), a fixing structure (4) is movably installed in the fixed step rotating shaft (1), the fixing structure (4) consists of a threaded rod (11), a detachable rotating block (12) and a fixing clamping plate (13), and the detachable rotating block (12) is fixedly installed at two ends of the threaded rod (11) respectively, and the fixing clamping plates (13) are installed on the threaded rod (11) in two modes.

2. The step rotating shaft for the motor of the sewing machine according to claim 1, wherein one end of the fixed step rotating shaft (1) is provided with a hexagonal slot (5), two containing grooves (6) are symmetrically formed in the outer wall of the fixed step rotating shaft (1), two through holes (7) are symmetrically formed in the fixed step rotating shaft (1), and the hexagonal slot (5) is communicated with the containing grooves (6) through the through holes (7).

3. The step rotating shaft for the motor of the sewing machine according to claim 2, wherein a fixing clamping groove (9) and a connecting groove (10) are formed in one end of the connecting block (3), the fixing clamping groove (9) is communicated with the connecting groove (10), and the connecting block (3) can be inserted into a hexagonal slot (5) formed in one end of the fixing step rotating shaft (1).

4. The step rotating shaft for a motor of a sewing machine according to claim 3, wherein the threaded rod (11) on the fixed structure (4) is rotatably installed in the hexagonal slot (5) and the through hole (7) formed in the fixed step rotating shaft (1), and the dismounting rotating block (12) is rotatably installed in the accommodating groove (6) formed in the outer wall of the fixed step rotating shaft (1).

5. The stepped spindle for a motor of a sewing machine according to claim 4, wherein the connecting block (3) is sleeved on the threaded rod (11) through the connecting groove (10).

6. The step rotating shaft for the motor of the sewing machine according to claim 5, wherein the threaded hole (14) is formed in the fixing clamping plate (13) on the fixing structure (4), the fixing clamping plate (13) is installed on the threaded rod (11) through the threaded hole (14) formed in the fixing clamping plate, the fixing clamping plate (13) is located in the hexagonal slot (5) formed in the fixing step rotating shaft (1), and the fixing clamping plate (13) can be embedded into the fixing clamping groove (9) formed in the connecting block (3) at the same time.