CN216589813U

CN216589813U - Linear executor with long service life

Info

Publication number: CN216589813U
Application number: CN202122796431.1U
Authority: CN
Inventors: 朱立喜
Original assignee: Yangzhou Yulin Valve Control Co ltd
Current assignee: Yangzhou Yulin Valve Control Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-24
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of actuators, in particular to a long-service-life linear actuator which comprises a first fixing plate, wherein one side of the first fixing plate is fixedly connected with a speed reducing motor, the output end of the speed reducing motor is fixedly connected with a ball screw through a coupler, the outer surface of the ball screw is in threaded sleeve connection with a moving assembly, the moving assembly comprises a moving frame, fixing pieces are fixedly connected to two sides of the inner bottom wall of the moving frame, ball nuts are fixedly connected to the inside of the fixing pieces, the ball nuts are in threaded sleeve connection with the outer surface of the ball screw, each fixing piece comprises a vertical plate, and the middle part of the bottom of each vertical plate is fixedly connected with an arc-shaped plate. According to the utility model, the ball nut can be fixed on the arc-shaped plate, the vertical plate is fixed on the movable frame, and the parts to be driven are arranged on the movable frame, so that the connection firmness of the ball nut is ensured, the stability of the linear actuator is improved, and the service life of the linear actuator is prolonged.

Description

Linear executor with long service life

Technical Field

The utility model relates to the technical field of actuators, in particular to a linear actuator with a long service life.

Background

The linear actuator comprises a stepping motor which does rotary motion, the stepping motor converts the rotary motion into linear motion through thread matching, and the linear actuator is used as a common power driving device and is widely used in the mechanical field by virtue of the characteristics of high reliability, simple manufacture and low cost.

The ball nut on the linear actuator moves along the axis direction of the ball screw, and the load of a part on the ball nut applies an acting force to the ball nut, so that the ball nut and the part are loosened and fall off easily after long-time use, and the service life is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the linear actuator with long service life, which has the advantage of firm installation, and solves the problems that the ball nut and the part are easy to loosen and fall off to influence the service life when the ball nut is used for a long time due to the load of the part on the ball nut and the acting force applied to the ball nut.

In order to solve the technical problems, the utility model provides the following technical scheme: a long-life linear actuator comprises a first fixing plate, wherein a speed reducing motor is fixedly connected to one side of the first fixing plate, the output end of the speed reducing motor is fixedly connected with a ball screw through a coupler, and a moving assembly is sleeved on the outer surface of the ball screw in a threaded manner;

the moving assembly comprises a moving frame, both sides of the inner bottom wall of the moving frame are fixedly connected with fixing pieces, ball nuts are fixedly connected inside the fixing pieces, and the ball nuts are sleeved on the outer surfaces of the ball screw rods in a threaded manner;

the mounting is including the riser, the middle part fixedly connected with arc of riser bottom, ball nut's top fixed connection is on the inner wall of arc.

Furthermore, holding tanks are formed in two sides of the bottom of the movable frame, and the ball nuts are located inside the holding tanks.

Furthermore, both sides of the bottom of the side surface of the vertical plate are fixedly connected with supporting plates, and the bottoms of the supporting plates are fixedly connected to the inner bottom wall of the movable frame.

Furthermore, a second fixing plate is arranged on one side of the first fixing plate in parallel, a bearing seat is fixedly connected to the middle of the side face of the second fixing plate, and one end, far away from the speed reduction motor, of the ball screw is fixedly inserted into an inner ring of the bearing seat.

Further, the bottom fixedly connected with bottom plate between first fixed plate and the second fixed plate, the equal fixedly connected with guide rail in both sides at bottom plate top, the equal fixedly connected with slider in both sides of removal frame bottom, slider sliding connection is on the guide rail.

Further, the top of removing the frame is connected with the mounting panel, the equal fixedly connected with lug in four corners department of mounting panel, lug fixed connection is in the outside of removing the frame.

Further, the two ends of the front side and the rear side of the bottom plate are fixedly connected with mounting frames.

By means of the technical scheme, the utility model provides a long-life linear actuator, which at least has the following beneficial effects:

1. this linear executor of high life through the setting that removes the subassembly, can fix ball nut on the arc, fixes the riser on removing the frame, and the part that will need the drive is installed on removing the frame, has guaranteed the fastness that ball nut connects, has improved this linear executor's stability, prolongs this linear executor's life.

2. This linear executor of high life through the setting of guide rail and slider, can fix the slider in the bottom of removing the frame, and the top at the bottom plate is fixed to the guide rail, and when gear motor moved, ball screw and ball nut cooperation can be with rotary motion conversion linear motion, can drive and remove the frame and remove, and the slider can slide in the inside of guide rail, has guaranteed the stability that removes the frame and remove.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a moving assembly according to the present invention;

fig. 3 is a schematic view of the fixing member of the present invention.

In the figure: 1. a first fixing plate; 2. a reduction motor; 3. a ball screw; 4. a moving assembly; 401. moving the frame; 402. a fixing member; 4021. a vertical plate; 4022. an arc-shaped plate; 4023. a support plate; 403. a ball nut; 404. accommodating grooves; 5. a second fixing plate; 6. a bearing seat; 7. a base plate; 8. a guide rail; 9. a slider; 10. mounting a plate; 11. a lug; 12. and (7) mounting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model will be further described with reference to fig. 1-3 and the examples.

The first embodiment is as follows:

a long-service-life linear actuator comprises a first fixing plate 1, wherein one side of the first fixing plate 1 is fixedly connected with a speed reducing motor 2, the output end of the speed reducing motor 2 is fixedly connected with a ball screw 3 through a coupler, and the outer surface of the ball screw 3 is in threaded sleeve connection with a moving assembly 4;

remove subassembly 4 including removing frame 401, the equal fixedly connected with mounting 402 in both sides of the interior diapire of removing frame 401, the inside fixedly connected with ball nut 403 of mounting 402, ball nut 403 threaded sleeve connects at ball screw 3's surface, the holding tank 404 has been seted up to the both sides of removing frame 401 bottom, ball nut 403 is located the inside of holding tank 404

Fixing piece 402 is including riser 4021, the middle part fixedly connected with arc 4022 bottom riser 4021, and ball nut 403's top fixed connection is on arc 4022's inner wall, the equal fixedly connected with extension board 4023 in both sides of riser 4021 side bottom, and extension board 4023's bottom fixed connection is on the interior diapire of removal frame 401.

Through the setting that removes subassembly 4, can fix ball nut 403 on arc 4022, fix riser 4021 on removing frame 401, install the part that will drive on removing frame 401, guaranteed the fastness that ball nut 403 connects, improved the stability of this linear actuator, prolong the life of this linear actuator.

The second embodiment:

a long-life linear actuator comprises a first fixing plate 1, wherein one side of the first fixing plate 1 is fixedly connected with a speed reducing motor 2, the output end of the speed reducing motor 2 is fixedly connected with a ball screw 3 through a coupler, and a moving assembly 4 is sleeved on the outer surface of the ball screw 3 in a threaded manner;

remove subassembly 4 including removing frame 401, remove the equal fixedly connected with mounting 402 in both sides of the interior diapire of frame 401, the inside fixedly connected with ball nut 403 of mounting 402, ball nut 403 threaded sleeve connects at ball screw 3's surface, the holding tank 404 has been seted up to the both sides of removing frame 401 bottom, ball nut 403 is located the inside of holding tank 404

Fixing piece 402 is including riser 4021, and the middle part fixedly connected with arc 4022 bottom riser 4021, and the top fixed connection of ball nut 403 is on the inner wall of arc 4022, and the both sides of riser 4021 side bottom all fixedly connected with extension board 4023, and extension board 4023's bottom fixed connection is on the interior diapire of removal frame 401.

One side parallel arrangement of first fixed plate 1 has second fixed plate 5, the middle part fixedly connected with bearing frame 6 of 5 sides of second fixed plate, ball screw 3 keeps away from the fixed inner circle of pegging graft at bearing frame 6 of one end of gear motor 2, bottom fixedly connected with bottom plate 7 between first fixed plate 1 and the second fixed plate 5, the equal fixedly connected with guide rail 8 in both sides at bottom plate 7 top, the equal fixedly connected with slider 9 in both sides of removing frame 401 bottom, slider 9 sliding connection is on guide rail 8, the top of removing frame 401 is connected with mounting panel 10, the equal fixedly connected with lug 11 in four corners department of mounting panel 10, lug 11 fixed connection is in the outside of removing frame 401, the equal fixedly connected with mounting bracket 12 in both ends of both sides around the bottom plate 7.

Through the setting of guide rail 8 and slider 9, can fix slider 9 in the bottom of removing frame 401, guide rail 8 is fixed at the top of bottom plate 7, and when gear motor 2 moved, ball screw 3 can convert rotary motion into linear motion with ball nut 403 cooperation, can drive and remove frame 401, and slider 9 can slide in the inside of guide rail 8, has guaranteed the stability that removes frame 401 and removed.

When using, can fix ball nut 403 on arc 4022, fix riser 4021 on removing frame 401, install the part that will drive on removing frame 401, the fastness that ball nut 403 connects has been guaranteed, the stability of this linear actuator has been improved, the life of this linear actuator is prolonged, when gear motor 2 moves, ball screw 3 can convert rotary motion into linear motion with ball nut 403 cooperation, can drive and remove frame 401, slider 9 can slide in the inside of guide rail 8, the stability that removes frame 401 and remove has been guaranteed.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A long-life linear actuator comprising a first fixed plate (1), characterized in that: one side of the first fixing plate (1) is fixedly connected with a speed reducing motor (2), the output end of the speed reducing motor (2) is fixedly connected with a ball screw (3) through a coupler, and the outer surface of the ball screw (3) is in threaded sleeve connection with a moving assembly (4);

the moving assembly (4) comprises a moving frame (401), both sides of the inner bottom wall of the moving frame (401) are fixedly connected with fixing pieces (402), a ball nut (403) is fixedly connected inside the fixing pieces (402), and the ball nut (403) is sleeved on the outer surface of the ball screw (3) in a threaded manner;

the fixing piece (402) comprises a vertical plate (4021), an arc-shaped plate (4022) is fixedly connected to the middle of the bottom of the vertical plate (4021), and the top of the ball nut (403) is fixedly connected to the inner wall of the arc-shaped plate (4022).

2. The high life linear actuator of claim 1, wherein: holding grooves (404) are formed in two sides of the bottom of the moving frame (401), and the ball nuts (403) are located inside the holding grooves (404).

3. The high life linear actuator of claim 1, wherein: both sides of the bottom of the side surface of the vertical plate (4021) are fixedly connected with a supporting plate (4023), and the bottom of the supporting plate (4023) is fixedly connected to the inner bottom wall of the movable frame (401).

4. The high life linear actuator of claim 1, wherein: a second fixing plate (5) is arranged on one side of the first fixing plate (1) in parallel, a bearing seat (6) is fixedly connected to the middle of the side face of the second fixing plate (5), and one end, far away from the speed reducing motor (2), of the ball screw (3) is fixedly connected to the inner ring of the bearing seat (6) in an inserted mode.

5. The high life linear actuator of claim 4, wherein: bottom fixedly connected with bottom plate (7) between first fixed plate (1) and second fixed plate (5), the equal fixedly connected with guide rail (8) in both sides at bottom plate (7) top, the equal fixedly connected with slider (9) in both sides of removal frame (401) bottom, slider (9) sliding connection is on guide rail (8).

6. The high life linear actuator of claim 1, wherein: the top of removing frame (401) is connected with mounting panel (10), the equal fixedly connected with lug (11) in four corners department of mounting panel (10), lug (11) fixed connection is in the outside of removing frame (401).

7. The high life linear actuator of claim 5, wherein: the two ends of the front side and the rear side of the bottom plate (7) are fixedly connected with mounting frames (12).