CN217388404U - Bearing falling-off preventing device for stepping motor - Google Patents

Abstract

The utility model provides a prevent bearing device that drops for step motor relates to motor technical field. This a prevent bearing device that drops for step motor includes the axis of rotation, the inside dwang that is provided with of axis of rotation, the first lug of dwang one side fixedly connected with, first lug both sides all are provided with the second lug. This a prevent bearing device that drops for step motor, the dwang moves right and drives first lug and move right, and then first lug moves right and drives two second lugs and make progress downstream respectively, and then second lug upward movement drives the dead lever upward movement, the dead lever upward movement and then can pass the threaded rod, rethread bearing body, and then consolidate bearing body, this structure is of value to and consolidates bearing body, prevent that bearing body direct mount is in the axis of rotation outside, at step motor body moving in-process, bearing body takes place to drop easily.

Description

Bearing falling-off preventing device for stepping motor

Technical Field

The utility model relates to a device that drops specifically is a device that prevents bearing drop for step motor belongs to motor technical field.

Background

A stepping motor is an electric motor that converts an electrical pulse signal into a corresponding angular or linear displacement. The rotor rotates by an angle or advances by one step every time a pulse signal is input, the output angular displacement or linear displacement is in direct proportion to the input pulse number, and the rotating speed is in direct proportion to the pulse frequency, so that a stepping motor is also called as a pulse motor, the stepping motor is also called as a pulse motor, and is an electromagnet capable of freely rotating based on the most basic electromagnet principle, the action principle of the electromagnet is to generate electromagnetic torque by means of the change of air gap permeance, the original model of the electromagnet is originated from 1830 to 1860, and the control purpose is tried from before and after 1870, and the electromagnet is applied to an electrode conveying mechanism of a hydrogen arc lamp.

The bearing of the device that prevents that traditional step motor from droing generally all makes the bearing directly agree with in the axis of rotation outside when installing the bearing, and step motor causes the bearing to drop easily in long-time use, has consequently reduced step motor's life, and then needs to improve the design to step motor's device that prevents that the bearing from droing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a device that prevents bearing and drop for step motor just in order to solve above-mentioned problem to make the bearing directly agree with in the axis of rotation outside when solving among the prior art and installing the bearing, and step motor causes the bearing to drop easily in long-time use, has consequently reduced step motor's life's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a prevent bearing device that drops for step motor, including the axis of rotation, the inside dwang that is provided with of axis of rotation, the first lug of dwang one side fixedly connected with, first lug both sides all are provided with the second lug, two equal fixedly connected with dead lever and first spring in second lug one side, first spring sets up in the dead lever outside, the inside fixed subassembly that is provided with of dead lever.

Preferably, fixed subassembly includes a plurality of second springs, and is a plurality of the equal fixed connection of second spring is in the dead lever inner wall, and is a plurality of the equal fixedly connected with third lug of second spring one end, the bearing body is installed in the axis of rotation outside, square groove has been seted up to bearing body inside, third lug and square groove joint through being provided with the second spring, and then can drive the third lug and contract into the bar inslot portion in dead lever upward movement, and when the dead lever moved to bearing body inside, the third lug received the elasticity of second spring and stretches out and fix bearing body.

Preferably, the inside threaded connection of axis of rotation has the threaded rod, threaded rod one side is rotated and is connected with the fixed block, dwang fixed connection is in fixed block one side, through being provided with the fixed block, and then is convenient for rotate ground power conversion to linear motion's power to the threaded rod to fix the bearing body.

Preferably, axis of rotation inner wall fixedly connected with backup pad, dwang sliding connection is inside the backup pad, through being provided with the backup pad, and then is convenient for support the dwang, and the dwang of being convenient for moves more stably.

Preferably, axis of rotation one side fixedly connected with step motor body, two the bar groove has all been seted up to the dead lever is inside, through being provided with the bar groove, is convenient for make third lug and second spring set up in the bar inslot portion to it is fixed to the bearing body.

Preferably, third lug and second spring all set up in bar inslot portion, first spring fixed connection is in the axis of rotation inner wall, dead lever sliding connection is inside the axis of rotation, through being provided with first spring, and then can support the dead lever, can drive the dead lever simultaneously and resume the normal position.

Preferably, threaded rod one side is seted up flutedly, first lug and second lug one side all set up to the cambered surface, through setting up first lug and second lug one side to the cambered surface to in consolidate the bearing body.

The utility model provides a prevent bearing device that drops for step motor, its beneficial effect who possesses as follows:

1. this a prevent bearing device that drops for step motor, the dwang moves right and drives first lug and move right, and then first lug moves right and drives two second lugs and make progress downstream respectively, and then second lug upward movement drives the dead lever upward movement, the dead lever upward movement and then can pass the threaded rod, rethread bearing body, and then consolidate bearing body, this structure is of value to and consolidates bearing body, prevent that bearing body direct mount is in the axis of rotation outside, at step motor body moving in-process, bearing body takes place to drop easily.

2. This a prevent bearing device that drops for marching type motor, when dismantling the bearing body, the reverse threaded rod, drive first lug left motion according to above theory of operation, and then make the second lug lose first lug ground power, can use the tiny instrument of iron wire class to press down the third lug from the bearing body both sides simultaneously, the third lug can extrude the second spring shrink, the spring action that receives first spring can drive the dead lever downstream and reset, this structure is of value to and fixes the bearing body, it is more firm to make the bearing body fix, be convenient for change or dismantle the bearing body simultaneously, moreover, the steam generator is simple in structure, and convenient for operation, and time and labor are saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the rotating rod structure of the present invention;

FIG. 3 is a schematic view of the structure of the fixing rod of the present invention;

fig. 4 is a schematic view of a first bump structure according to the present invention.

In the figure: 2. rotating the rod; 3. a first bump; 4. a second bump; 5. fixing the rod; 6. a first spring; 7. a third bump; 8. a second spring; 9. a fixed block; 10. a threaded rod; 11. a support plate; 12. a strip-shaped groove; 14. a rotating shaft; 16. a stepping motor body; 17. a groove; 18. a bearing body; 19. a square groove.

Detailed Description

An embodiment of the utility model provides a prevent bearing device that drops for step motor.

Referring to fig. 1, 2, 3 and 4, the device comprises a rotating shaft 14, a rotating rod 2 is arranged inside the rotating shaft 14, a first convex block 3 is fixedly connected to one side of the rotating rod 2, second convex blocks 4 are arranged on both sides of the first convex block 3, a fixing rod 5 and a first spring 6 are fixedly connected to one sides of the two second convex blocks 4, the first spring 6 is arranged outside the fixing rod 5, a fixing component is arranged inside the fixing rod 5, a threaded rod 10 is connected to the inside of the rotating shaft 14 through a thread, a fixing block 9 is rotatably connected to one side of the threaded rod 10, the rotating rod 2 is fixedly connected to one side of the fixing block 9, a stepping motor body 16 is fixedly connected to one side of the rotating shaft 14, strip-shaped grooves 12 are formed inside the two fixing rods 5, a third convex block 7 and a second spring 8 are arranged inside the strip-shaped grooves 12, the first spring 6 is fixedly connected to the inner wall of the rotating shaft 14, the fixing rod 5 is slidably connected to the inside the rotating shaft 14, the threaded rod 10 is provided with a groove 17 on one side, and the first lug 3 and the second lug 4 are both arranged to be cambered surfaces on one side.

Specifically, the method comprises the following steps: when using the stepping motor, at this time, firstly, the threaded rod 10 can be rotated by using a cross screwdriver through the groove 17, since the threaded rod 10 is screwed inside the rotating shaft 14, and then the threaded rod 10 moves rightwards while rotating, since the fixing block 9 is rotatably connected to one side of the threaded rod 10, and then the threaded rod 10 moves rightwards to drive the fixing block 9 to move rightwards, since the rotating rod 2 is fixedly connected to one side of the fixing block 9, and then the fixing block 9 moves rightwards to drive the rotating rod 2 to move rightwards, since the first lug 3 is fixedly connected to one side of the rotating rod 2, and then the rotating rod 2 moves rightwards to drive the first lug 3 to move rightwards, at this time, since the first lug 3 and one side of the second lug 4 are both provided with cambered surfaces, and then the first lug 3 moves rightwards to drive the two second lugs 4 to move upwards and downwards respectively, at this time, since the fixing rod 5 is fixedly connected to the tops of the second lugs 4, and then the second lug 4 moves upwards to drive the dead lever 5 to move upwards, the dead lever 5 moves upwards and then can pass through the threaded rod 10, and then passes through the bearing body 18, and then reinforces the bearing body 18, and this structure is good for reinforcing the bearing body 18, prevents that the bearing body 18 from direct mount in the outside of the axis of rotation 14, and at the moving in-process of step motor body 16, the bearing body 18 is easy to drop.

Referring to fig. 1, 3 and 4 again, the fixing assembly includes a plurality of second springs 8, the plurality of second springs 8 are all fixedly connected to the inner wall of the fixing rod 5, one ends of the plurality of second springs 8 are all fixedly connected with third protrusions 7, a bearing body 18 is installed on the outer side of the rotating shaft 14, a square groove 19 is formed inside the bearing body 18, and the third protrusions 7 are clamped with the square groove 19.

Specifically, the method comprises the following steps: meanwhile, because the inner wall of the fixed rod 5 is fixedly connected with the second spring 8, one end of the second spring 8 is fixedly connected with the third bump 7, when the fixed rod 5 moves upwards, the inner wall of the rotating shaft 14 can press the third bump 7 to contract, at the moment, the third bump 7 can be driven to contract under the elastic force of the second spring 8, so that the third bump 7 can contract into the strip-shaped groove 12, when the third bump 7 moves to the square groove 19, at the moment, the third bump 7 just enables the third bump 7 to be clamped into the square groove 19 under the elastic force of the second spring 8, the square groove 19 is arranged in the bearing body 18, so that the fixing strength of the bearing body 18 can be increased, when the bearing body 18 needs to be disassembled, only the threaded rod 10 needs to be reversed at the moment, the first bump 3 can be driven to move leftwards according to the above working principle, so that the second bump 4 loses the force of the first bump 3, can use the tiny instrument of iron wire class to press third lug 7 from bearing body 18 both sides simultaneously, third lug 7 can extrude the shrink of second spring 8, the elastic action that receives first spring 6 this moment can drive dead lever 5 downstream and reset, this structure is of value to fixing bearing body 18, it is more firm to make bearing body 18 fixed, be convenient for simultaneously change or dismantle bearing body 18, moreover, the steam generator is simple in structure, and convenient for operation saves time, and the manpower is saved.

Referring to fig. 1, 2 and 4 again, a support plate 11 is fixedly connected to the inner wall of the rotation shaft 14, and the rotation shaft 2 is slidably connected to the inside of the support plate 11.

Specifically, the method comprises the following steps: through being provided with backup pad 11, and then be convenient for support dwang 2, the dwang 2 of being convenient for moves more stably, through setting up first lug 3, second lug 4 and third lug 7 one side into the cambered surface, be convenient for make first lug 3 drive the motion of second lug 4, third lug 7 one side sets up to the cambered surface simultaneously, and then can fix bearing body 18, through being provided with recess 17, and then convenient to use instrument rotation threaded rod 10, and then it is fixed to bearing body 18.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A prevent bearing dropout device for step motor, including axis of rotation (14), its characterized in that: the inside dwang (2) that is provided with of axis of rotation (14), the first lug of dwang (2) one side fixedly connected with (3), first lug (3) both sides all are provided with second lug (4), two equal fixedly connected with dead lever (5) and first spring (6) in second lug (4) one side, first spring (6) set up in dead lever (5) outside, dead lever (5) inside is provided with fixed subassembly.

2. The apparatus for preventing a bearing from coming off for a stepping motor according to claim 1, wherein: fixed subassembly includes a plurality of second springs (8), and is a plurality of the equal fixed connection in dead lever (5) inner wall of second spring (8), it is a plurality of the equal fixedly connected with third lug (7) of second spring (8) one end, bearing body (18) are installed in axis of rotation (14) outside, square groove (19) have been seted up to bearing body (18) inside, third lug (7) and square groove (19) joint.

3. The bearing drop preventing device for the stepping motor according to claim 2, wherein: rotation axis (14) internal thread is connected with threaded rod (10), threaded rod (10) one side is rotated and is connected with fixed block (9), dwang (2) fixed connection is in fixed block (9) one side.

4. The device for preventing bearing drop for step motor according to claim 2, wherein: rotation axis (14) inner wall fixedly connected with backup pad (11), dwang (2) sliding connection is inside backup pad (11).

5. The bearing drop preventing device for the stepping motor according to claim 2, wherein: axis of rotation (14) one side fixedly connected with step motor body (16), two bar groove (12) have all been seted up to dead lever (5) inside.

6. The bearing drop preventing device for the stepping motor according to claim 2, wherein: third lug (7) and second spring (8) all set up inside bar groove (12), first spring (6) fixed connection is in axis of rotation (14) inner wall, dead lever (5) sliding connection is inside in axis of rotation (14).

7. The bearing drop preventing device for the stepping motor according to claim 3, wherein: threaded rod (10) one side is seted up recess (17), first lug (3) and second lug (4) one side all sets up to the cambered surface.

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