CN213279399U

CN213279399U - Screw type electric push rod

Info

Publication number: CN213279399U
Application number: CN202022252520.5U
Authority: CN
Inventors: 吴建霞
Original assignee: Ningbo Youying Electronic Technology Co ltd
Current assignee: Ningbo Youying Electronic Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-25
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a screw type electric push rod, which comprises a base, wherein the interior of the base is connected with a third rotating shaft, a second rotating shaft and a first rotating shaft sequentially through a bearing from left to right, the outer sides of the third rotating shaft, the second rotating shaft and the first rotating shaft are respectively fixedly connected with a fourth gear, a third gear and a second gear, the fourth gear is meshed with the third gear, the third gear is meshed with the second gear, the upper end surface of the base is provided with a motor, a motor output shaft penetrates into the interior of the base, and the motor output shaft is fixedly connected with the first gear, the utility model discloses a central screw rod and a rotating screw rod are arranged, and the rotating screw rod is in threaded connection with the central screw rod, so that the central screw rod can rotate to realize the synchronous rising or falling of each section under the driving of the motor, the efficiency is very high, and the structure is ingenious and also becomes, the work is more stable, and the maintenance is very convenient.

Description

Screw type electric push rod

Technical Field

The utility model relates to an electric putter technical field specifically is a screw electric putter.

Background

The electric push rod is also called a push rod motor, an electric cylinder and a linear actuator, is an electric driving device for converting the rotary motion of a motor into the linear reciprocating motion of the push rod, can be used as an execution machine in various simple or complex process flows, and realizes remote control, centralized control or automatic control;

however, the traditional sectional electric push rod is sequentially lifted from top to bottom, namely, the first section is lifted first, then the second section is lifted, and then the third section is analogized in sequence, so that the mode is low in efficiency and complex in structure. To this end, we propose a screw-type electric push rod.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw electric putter to it is from the top down risees in proper order to propose traditional segmental electric putter in solving above-mentioned background art, and first festival risees earlier promptly, then the second festival, and the third festival analogizes in proper order again, and this kind of mode is inefficient, the problem that the structure is complicated moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a screw type electric push rod comprises a base, wherein a third rotating shaft, a second rotating shaft and a first rotating shaft are connected inside the base in a rotating mode sequentially through bearings from left to right, a fourth gear, a third gear and a second gear are fixedly connected to the outer sides of the third rotating shaft, the second rotating shaft and the first rotating shaft respectively, the fourth gear is connected with the third gear in a meshing mode, the third gear is connected with the second gear in a meshing mode, a motor is installed on the upper end face of the base, a motor output shaft penetrates into the base and is fixedly connected with the first gear, the first gear is connected with the second gear in a meshing mode, a lower sleeve is arranged on one side of the motor and is fixedly connected to the upper end face of the base, a central screw rod is connected inside the lower sleeve in a rotating mode through the bearings, the lower end of the central screw rod is fixedly connected with the third rotating shaft, a second sliding groove is formed in the inner wall of the lower sleeve, and a, a second sliding block is fixedly connected with the outer side of the second threaded sleeve and is connected inside the second sliding groove in a sliding manner, the surface of the second screw sleeve is provided with a second threaded hole, the central screw rod is in threaded connection with the inside of the second threaded hole, the upper end of the lower sleeve is provided with a middle sleeve, the upper end of the middle sleeve is provided with an upper sleeve, the lower end of the middle sleeve penetrates through the inner part of the lower sleeve and is fixedly connected with a second threaded sleeve, a first sliding groove is arranged on the inner wall of the middle sleeve, a first threaded sleeve is connected inside the middle sleeve in a sliding manner, a first sliding block is fixedly connected to the outer side of the first threaded sleeve, the first sliding block is connected with the inner wall of the first sliding chute in a sliding way, the upper end surface of the first threaded sleeve is provided with a first threaded hole, the threaded connection has the rotation screw rod in the first screw hole, rotate screw rod lower extreme threaded connection at central screw rod upper end inner wall, the upper portion cover runs through to middle part cover inside and with first swivel nut fixed connection.

Preferably, the base is a hollow base.

Preferably, the inner wall of the central screw is provided with internal threads, and the diameter of the inner wall of the central screw is the same as that of the rotating screw.

Preferably, the first sliding block, the second sliding block, the first sliding groove and the second sliding groove are respectively provided with two groups in specific number.

Preferably, the diameter of the lower sleeve is greater than the diameter of the middle sleeve, which is greater than the diameter of the upper sleeve.

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

the utility model discloses a be provided with central screw rod and rotation screw rod, rotate screw rod and central screw rod threaded connection moreover for on the drive of motor, the synchronous rising or the decline of each festival can be realized in the rotation of central screw rod, and efficiency is very high, because the structure is ingenious, also becomes simple, and work is more stable, and it is very convenient to maintain.

Drawings

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

fig. 2 is a schematic view of the connection between the first threaded sleeve and the middle sleeve according to the present invention;

fig. 3 is a schematic view of a connection structure between the second thread insert and the lower sleeve according to the present invention.

In the figure: 1. a base; 2. a first gear; 3. a second threaded hole; 4. a second gear; 5. a first rotating shaft; 6. a second rotating shaft; 7. a third gear; 8. a third rotating shaft; 9. a fourth gear; 10. a lower sleeve; 11. a central screw; 12. rotating the screw; 13. an upper sleeve; 14. a first threaded sleeve; 15. a second thread insert; 16. a motor; 17. a middle sleeve; 18. a first chute; 19. a first slider; 20. a first threaded hole; 21. a second chute; 22. and a second slider.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a screw type electric push rod comprises a base 1, wherein a third rotating shaft 8, a second rotating shaft 6 and a first rotating shaft 5 are connected inside the base 1 from left to right in sequence through bearings in a rotating mode, a fourth gear 9, a third gear 7 and a second gear 4 are fixedly connected to the outer sides of the third rotating shaft 8, the second rotating shaft 6 and the first rotating shaft 5 respectively, the fourth gear 9 is connected with the third gear 7 in a meshing mode, the third gear 7 is connected with the second gear 4 in a meshing mode, a motor 16 is installed on the upper end face of the base 1, an output shaft of the motor 16 penetrates through the inside of the base 1, a first gear 2 is fixedly connected with an output shaft of the motor 16, the first gear 2 is connected with the second gear 4 in a meshing mode, a lower sleeve 10 is arranged on one side of the motor 16, the lower sleeve 10 is fixedly connected to the upper end face of the base 1, and a central screw 11 is rotatably connected inside, the lower end of the central screw rod 11 is fixedly connected with the third rotating shaft 8, the inner wall of the lower sleeve 10 is provided with a second sliding groove 21, the inner wall of the lower sleeve 10 is connected with a second threaded sleeve 15 in a sliding manner, and the outer side of the second threaded sleeve 15 is fixedly connected with a second sliding block 22;

the second sliding block 22 is connected inside the second sliding groove 21 in a sliding manner, the second threaded hole 3 is formed in the surface of the second threaded sleeve 15, the central screw 11 is connected inside the second threaded hole 3 in a threaded manner, the upper end of the lower sleeve 10 is provided with the middle sleeve 17, the upper end of the middle sleeve 17 is provided with the upper sleeve 13, the lower end of the middle sleeve 17 penetrates through the lower sleeve 10 and is fixedly connected with the second threaded sleeve 15, the inner wall of the middle sleeve 17 is provided with the first sliding groove 18, the inner part of the middle sleeve 17 is connected with the first threaded sleeve 14 in a sliding manner, the outer side of the first threaded sleeve 14 is fixedly connected with the first sliding block 19, the first sliding block 19 is connected on the inner wall of the first sliding groove 18 in a sliding manner, the upper end face of the first threaded sleeve 14 is provided with the first threaded hole 20, the inner part of the first threaded hole 20 is connected with the rotating screw 12 in a threaded manner, the, the upper sleeve 13 penetrates into the middle sleeve 17 and is fixedly connected with the first threaded sleeve 14;

base 1 is hollow structure's base, has made things convenient for the installation of counter gear, the inner wall diameter that internal thread and central screw 11 were seted up to central screw 11 inner wall is the same with the diameter of rotating screw 12 for it can be at the inside rotation of central screw 11 to rotate screw 12, first slider 19, second slider 22, first spout 18 and the specific quantity of second spout 21 all are provided with two sets ofly, the diameter of lower part cover 10 is greater than the diameter of middle part cover 17, the diameter of middle part cover 17 is greater than the diameter of upper part cover 13, the flexible of upper part cover 13 and middle part cover 17 of being convenient for.

Specifically, during the use, through being provided with central screw 11 and rotating screw 12, rotate screw 12 and central screw threaded connection 11 moreover for on the drive of motor 16, central screw 11 rotates and to realize the synchronous rising or the decline of each festival, and efficiency is very high, because the structure is ingenious, also becomes simple, and work is more stable, and it is very convenient to maintain.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screw electric putter, includes base (1), its characterized in that: the gear transmission mechanism is characterized in that a third rotating shaft (8), a second rotating shaft (6) and a first rotating shaft (5) are connected to the inside of the base (1) from left to right sequentially through a bearing in a rotating manner, a fourth gear (9), a third gear (7) and a second gear (4) are respectively and fixedly connected to the outer sides of the third rotating shaft (8), the second rotating shaft (6) and the first rotating shaft (5), the fourth gear (9) is meshed with the third gear (7), the third gear (7) is meshed with the second gear (4), a motor (16) is installed on the upper end face of the base (1), an output shaft of the motor (16) penetrates through the inside of the base (1), a first gear (2) is fixedly connected to an output shaft of the motor (16), the first gear (2) is meshed with the second gear (4), a lower sleeve (10) is arranged on one side of the motor (16), and the lower sleeve (10) is fixedly connected to the upper end face of the base (1), the inner part of the lower sleeve (10) is rotatably connected with a central screw rod (11) through a bearing, the lower end of the central screw rod (11) is fixedly connected with a third rotating shaft (8), the inner wall of the lower sleeve (10) is provided with a second sliding groove (21), the inner wall of the lower sleeve (10) is slidably connected with a second screw sleeve (15), the outer side of the second screw sleeve (15) is fixedly connected with a second sliding block (22), the second sliding block (22) is slidably connected inside the second sliding groove (21), the surface of the second screw sleeve (15) is provided with a second threaded hole (3), the central screw rod (11) is in threaded connection inside the second threaded hole (3), the upper end of the lower sleeve (10) is provided with a middle sleeve (17), the upper end of the middle sleeve (17) is provided with an upper sleeve (13), the lower end of the middle sleeve (17) penetrates through the inner part of the lower sleeve (10) and is fixedly connected with the second screw sleeve (15), first spout (18) and middle part cover (17) inside sliding connection have been seted up to middle part cover (17) inner wall has first swivel nut (14), first swivel nut (14) outside fixedly connected with first slider (19), first slider (19) sliding connection is at first spout (18) inner wall, first screw hole (20) have been seted up to first swivel nut (14) up end, first screw hole (20) inside threaded connection has rotation screw rod (12), rotation screw rod (12) lower extreme threaded connection is at central screw rod (11) upper end inner wall, upper portion cover (13) run through to middle part cover (17) inside and with first swivel nut (14) fixed connection.

2. The screw-type electric putter of claim 1, wherein: the base (1) is a hollow base.

3. The screw-type electric putter of claim 1, wherein: the inner wall of the central screw rod (11) is provided with internal threads, and the diameter of the inner wall of the central screw rod (11) is the same as that of the rotating screw rod (12).

4. The screw-type electric putter of claim 1, wherein: the number of the first sliding blocks (19), the number of the second sliding blocks (22), the number of the first sliding grooves (18) and the number of the second sliding grooves (21) are two.

5. The screw-type electric putter of claim 1, wherein: the diameter of the lower sleeve (10) is larger than that of the middle sleeve (17), and the diameter of the middle sleeve (17) is larger than that of the upper sleeve (13).