CN211321187U

CN211321187U - Safe linear electric motor with protector

Info

Publication number: CN211321187U
Application number: CN202020090729.3U
Authority: CN
Inventors: 梁军才; 梁亚伟
Original assignee: Anhe Technology Shenzhen Co ltd
Current assignee: Anhe Technology Shenzhen Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-08-21
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a safe linear electric motor with protector, the on-line screen storage device comprises a base, linear track has been seted up to the front side outer surface of base, linear orbital internal surface slidable mounting has the active cell slide, the internal surface fixed connection of active cell slide has the thread bush, the internal surface threaded connection of thread bush has the threaded rod, adapter sleeve fixedly connected with output shaft is passed through to the one end of threaded rod, the one end that the threaded rod was kept away from to the output shaft is equipped with the motor, the motor is close to one side outer wall of threaded rod and passes through the first fixing base of motor mounting panel fixedly connected with, the threaded rod is kept away from the one end of motor and is installed the second fixing base, the threaded rod. The utility model discloses linear electric motor has increased good nut anti-disengaging structure, avoids the motor during operation to cause the nut to drop of motor even owing to vibrations, the effectual normal work of having ensured the motor, extension linear electric motor's life.

Description

Safe linear electric motor with protector

Technical Field

The utility model relates to a linear electric motor technical field especially relates to a safe linear electric motor with protector.

Background

The basic principle of a linear stepping motor is that a screw and a nut are engaged, and a certain method is adopted to prevent the screw and the nut from rotating relatively, so that the screw moves axially. Generally, there are two ways to achieve this conversion, the first is to arrange a rotor with internal thread in the motor, and engage the internal thread of the rotor with the screw to achieve linear motion, and the second is to use the screw as the output shaft of the motor, and engage the external drive nut with the screw to achieve linear motion.

However, when the existing linear stepping motor is used, certain defects still exist, for example, the thread bush collides with the end fixing plate, the thread bush and even the sliding seat are easily damaged after long-term use, the motor can vibrate during working, the nut for fixing the motor is easily loosened during long-term vibration, the condition that the motor is loosened is caused, a corresponding protection structure is not arranged, certain adverse effects are caused in the actual use process, and therefore the safety linear motor with the protection device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safe linear motor with a protection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a safe linear motor with a protection device comprises a base, wherein the outer surface of the front side of the base is provided with a linear track, a rotor sliding seat is slidably arranged on the inner surface of the linear track, a threaded sleeve is fixedly connected on the inner surface of the rotor sliding seat, the inner surface of the threaded sleeve is connected with a threaded rod in a threaded manner, one end of the threaded rod is fixedly connected with an output shaft through a connecting sleeve, a motor is arranged at one end of the output shaft far away from the threaded rod, the outer wall of one side of the motor close to the threaded rod is fixedly connected with a first fixed seat through a motor mounting plate, a second fixed seat is arranged at one end of the threaded rod far away from the motor, a nut anti-loosening seat is fixedly connected with the outer wall of one side of the motor mounting plate far away from the first fixed seat, the nut locking seat is characterized in that a clamping groove is formed in the inner surface of the nut locking seat, a nut fixing sleeve is clamped inside the clamping groove, and a hexagonal nut is sleeved on the inner surface of the nut fixing sleeve.

Preferably, the upper surface of the rotor sliding seat is fixedly connected with a sliding table, and four corners of the inner surface of the sliding table are provided with mounting holes.

Preferably, the lower ends of the first fixing seat and the second fixing seat are fixedly connected with the base.

Preferably, the inner surface of the hexagon nut is in threaded connection with a bolt, the bolt penetrates through the inner surfaces of the motor mounting plate and the first fixing seat, and the clamping groove and the nut fixing sleeve are in regular hexagon shapes.

Preferably, the inner surface of the second fixing seat is fixedly connected with a shaft sleeve, the inner surface of the shaft sleeve is rotatably connected with a connecting block, and the connecting block is fixedly connected with the threaded rod.

Preferably, the connecting sleeve is close to the first anti-collision pad of one side outer wall fixedly connected with of threaded rod, the second fixing base is close to the second anti-collision pad of one side outer wall fixedly connected with of threaded rod, and first anti-collision pad and second anti-collision pad are the rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, by arranging the motor mounting plate, the nut anti-loosening seat, the clamping groove, the nut fixing sleeve and the hexagon nut, a good nut anti-loosening structure is added for the linear motor, so that the falling off of the nut and even the motor caused by vibration during the working of the motor is avoided, the normal working of the motor is effectively ensured, and the protection effect is good;

2. the utility model discloses in, through setting up first anticollision pad and second anticollision pad, all set up crashproof structure for the both ends of thread bush removal stroke to cushion the impact force of thread bush greatly, protecting effect is good, extension linear electric motor's life.

To sum up, the utility model discloses linear electric motor has increased good nut anti-disengaging structure, avoids motor during operation to cause the nut to drop of motor even owing to vibrations, the effectual normal work of having ensured the motor, extension linear electric motor's life.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a safety linear motor with a protection device according to the present invention;

fig. 2 is a side view of a motor mounting plate of a safety linear motor with a protector according to the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of the safety linear motor with a protection device according to the present invention.

In the figure: the linear track of 1 base, 2, 3 active cell slide, 4 thread bushings, 5 slip tables, 6 threaded rods, 7 adapter sleeves, 8 output shafts, 9 motors, 10 motor mounting panels, 11 first fixing bases, 12 second fixing bases, 13 nut locking bases, 14 draw-in grooves, 15 nut fixing sleeves, 16 hexagon nuts, 17 bolts, 18 first anti-collision pads, 19 second anti-collision pads, 20 connecting blocks, 21 axle sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to fig. 1-2, a safe linear motor with a protective device comprises a base 1, a linear track 2 is arranged on the outer surface of the front side of the base 1, a rotor slide seat 3 is slidably arranged on the inner surface of the linear track 2, a thread sleeve 4 is fixedly connected to the inner surface of the rotor slide seat 3, a threaded rod 6 is connected to the inner surface of the thread sleeve 4 through a thread, an output shaft 8 is fixedly connected to one end of the threaded rod 6 through a connecting sleeve 7, a motor 9 is arranged at one end of the output shaft 8 far away from the threaded rod 6, a first fixing seat 11 is fixedly connected to the outer wall of one side of the motor 9 close to the threaded rod 6 through a motor mounting plate 10, a second fixing seat 12 is arranged at one end of the threaded rod 6 far away from the motor 9, a nut anti-loosening seat 13 is fixedly connected to the outer wall of one, the inner surface of the nut fixing sleeve 15 is sleeved with a hexagonal nut 16.

Wherein, the upper surface fixed connection of active cell slide 3 has slip table 5, and the mounting hole has all been seted up to the internal surface four corners position of slip table 5.

Wherein, the lower extreme of first fixing base 11, second fixing base 12 all with base 1 fixed connection.

Wherein, the internal surface threaded connection of hexagon nut 16 has bolt 17, and bolt 17 runs through the internal surface of motor mounting panel 10, first fixing base 11, and the shape of draw-in groove 14 and the fixed cover 15 of nut all is regular hexagon.

Wherein, the internal surface fixed connection of second fixing base 12 has axle sleeve 21, and the internal surface of axle sleeve 21 rotates and is connected with connecting block 20, and connecting block 20 and threaded rod 6 fixed connection.

Example two:

referring to fig. 2-3, a safe linear motor with a protective device comprises a base 1, a linear track 2 is arranged on the outer surface of the front side of the base 1, a rotor slide seat 3 is slidably arranged on the inner surface of the linear track 2, a thread sleeve 4 is fixedly connected to the inner surface of the rotor slide seat 3, a threaded rod 6 is connected to the inner surface of the thread sleeve 4 through a thread, an output shaft 8 is fixedly connected to one end of the threaded rod 6 through a connecting sleeve 7, a motor 9 is arranged at one end of the output shaft 8 far away from the threaded rod 6, a first fixing seat 11 is fixedly connected to the outer wall of one side of the motor 9 close to the threaded rod 6 through a motor mounting plate 10, a second fixing seat 12 is arranged at one end of the threaded rod 6 far away from the motor 9, a nut anti-loosening seat 13 is fixedly connected to the outer wall of one, the inner surface of the nut fixing sleeve 15 is sleeved with a hexagonal nut 16.

Wherein, the connecting sleeve 7 is close to the first crashproof pad 18 of one side outer wall fixedly connected with of threaded rod 6, and the second fixing base 12 is close to the second crashproof pad 19 of one side outer wall fixedly connected with of threaded rod 6, and first crashproof pad 18 and second crashproof pad 19 are the rubber pad.

The working principle is as follows: when in use, the motor mounting plate 10, the nut anti-loose seat 13, the clamping groove 14, the nut fixing sleeve 15 and the hexagon nut 16 are arranged, the hexagon nut 16 is screwed on the outer surface of the bolt 17, the nut fixing sleeve 15 is clamped in the clamping groove 14 formed between the hexagon nut 16 and the nut anti-loose seat 13, the nut fixing sleeve 15 is fixedly sleeved on the outer surface of the hexagon nut 16, the loosening of the hexagon nut 16 is avoided, a good nut anti-loose structure is added for the linear motor, the falling of the hexagon nut 16 and even the motor 9 caused by vibration when the motor 9 works is avoided, the normal work of the motor 9 is effectively guaranteed, the protection effect is good, the anti-collision structures are arranged at the two ends of the moving stroke of the thread sleeve 4 through the arrangement of the first anti-collision pad 18 and the second anti-collision pad 19, the impact force of the thread sleeve 4 is greatly buffered, and the protection effect is, prolong linear electric motor's life, the utility model discloses linear electric motor has increased good nut anti-disengaging structure, avoids motor 9 during operation to cause the nut to drop of motor 9 even owing to vibrations, the effectual normal work of having ensured motor 9, extension linear electric motor's life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a safe linear electric motor with protector, includes base (1), its characterized in that, linear track (2) have been seted up to the front side outer surface of base (1), the internal surface slidable mounting of linear track (2) has active cell slide (3), the internal surface fixed connection of active cell slide (3) has thread bush (4), the internal surface threaded connection of thread bush (4) has threaded rod (6), the one end of threaded rod (6) is through adapter sleeve (7) fixedly connected with output shaft (8), the one end that threaded rod (6) were kept away from in output shaft (8) is equipped with motor (9), one side outer wall that motor (9) are close to threaded rod (6) is through motor mounting panel (10) fixedly connected with first fixing base (11), the one end that motor (9) were kept away from in threaded rod (6) is installed second fixing base (12), one side outer wall fixedly connected with nut locking seat (13) of first fixing base (11) is kept away from in motor mounting panel (10), draw-in groove (14) have been seted up to the internal surface of nut locking seat (13), the fixed cover of nut (15) has been connected to the inside joint of draw-in groove (14), hexagon nut (16) has been cup jointed to the internal surface of the fixed cover of nut (15).

2. The safety linear motor with the protection device according to claim 1, wherein a sliding table (5) is fixedly connected to the upper surface of the rotor sliding seat (3), and four corners of the inner surface of the sliding table (5) are provided with mounting holes.

3. The safety linear motor with the protection device according to claim 1, wherein the lower ends of the first fixing seat (11) and the second fixing seat (12) are fixedly connected with the base (1).

4. The safety linear motor with the protection device is characterized in that a bolt (17) is connected to the inner surface of the hexagonal nut (16) in a threaded manner, the bolt (17) penetrates through the inner surfaces of the motor mounting plate (10) and the first fixing seat (11), and the clamping groove (14) and the nut fixing sleeve (15) are in regular hexagon shapes.

5. A safety linear motor with a protection device according to claim 1, characterized in that a shaft sleeve (21) is fixedly connected to the inner surface of the second fixed seat (12), a connecting block (20) is rotatably connected to the inner surface of the shaft sleeve (21), and the connecting block (20) is fixedly connected with the threaded rod (6).

6. The safety linear motor with the protection device is characterized in that a first anti-collision pad (18) is fixedly connected to the outer wall of one side, close to the threaded rod (6), of the connecting sleeve (7), a second anti-collision pad (19) is fixedly connected to the outer wall of one side, close to the threaded rod (6), of the second fixing seat (12), and the first anti-collision pad (18) and the second anti-collision pad (19) are rubber pads.