CN218472889U

CN218472889U - Linear push rod motor with variable installation angle

Info

Publication number: CN218472889U
Application number: CN202222630504.4U
Authority: CN
Inventors: 张艳军
Original assignee: Shanghai Muyan Transmission Technology Co ltd
Current assignee: Shanghai Muyan Transmission Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-10
Anticipated expiration: 2032-10-08

Abstract

The utility model belongs to the technical field of motor equipment, specifically discloses a linear push rod motor with variable installation angle, which comprises a motor box body, a screw rod assembly, a front bearing and a bearing retainer, wherein the motor box body is integrally formed; the rear bearing is fixed at the rear end of the screw rod through a fastening screw; the mounting seat is clamped on the rear bearing and fixedly connected with the motor box body through screws, and the rear bearing is fixedly connected with the motor box body through the mounting seat; the utility model discloses the integral design of motor box, through the structure of the whole circular plug of mould, guarantee box the central axis's circularity and concentricity to the stationarity and the low noise of motor operation have been guaranteed. Meanwhile, the mounting seat and the box body are designed in a split structure, and the mounting seat can be mounted by rotating 90 degrees according to assembly requirements, so that the horizontal mounting and the vertical mounting can be realized by mounting the whole push rod motor, and the function of a bearing seat is realized.

Description

Linear push rod motor with variable installation angle

Technical Field

The utility model relates to an electrical equipment technical field specifically is a changeable linear push rod motor of installation angle.

Background

The linear push rod motor is widely applied to products such as electric sofas, electric beds and the like at present. The push rod motor drives the functional structural member to adjust different positions of the sofa or the electric bed, so that various use requirements of users are met.

At present, the box bodies of most of motors are of split structures, as shown in figure 1, the motor box bodies are designed into two half-type structures, the interior of the structure is easy to process, but the semicircles of the two half-type structures are difficult to control, especially the deformation of an injection molding piece is difficult to control, and a mould needs to be debugged for many times to compensate for the out-of-roundness problem; if the motor box body is changed into an integral structure design, as shown in figure 2, the roundness and the concentricity of the central axis of the box body are ensured by the structure of the integral round core rod of the die, so that the running stability and the low noise of the motor are ensured; thereby solving the problem of unstable structure of the linear push rod motor;

and linear push rod motor's mount pad and box adopt the integral type design, and accessible mount pad snap-on, direction and position are all fixed, though can guarantee the stability of installation, but installation angle can not adjust, can't be applicable to multiple application environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a changeable linear push rod motor of installation angle can solve current linear push rod motor unstable structure, the problem that installation angle can not be adjusted.

In order to realize the purpose, the utility model provides a following technical scheme: a linear push rod motor with a variable installation angle comprises:

the motor box body is integrally formed, and a motor is arranged in the motor box body;

the fixing rod assembly is a hollow accommodating rod with openings at two ends, one end of the fixing rod assembly is fixedly connected with the motor box body through a screw, and the other end of the fixing rod assembly is connected with the telescopic rod assembly;

the telescopic rod component is a hollow accommodating rod with an opening end, and the opening end of the telescopic rod component extends into the fixed rod component and is connected with the fixed rod component in a sliding manner;

the screw rod assembly comprises a screw rod and a nut fixedly connected to the screw rod through threads, the tail of the screw rod is fixedly connected with a front bearing, a worm wheel and a rear bearing in sequence, and the front bearing is fixedly connected with a bearing retainer of the motor box body; the rear bearing is fixed at the rear end of the screw rod through a fastening screw;

the mounting seat is clamped on the rear bearing and fixedly connected with the motor box body through screws, and the rear bearing is fixedly connected with the motor box body through the mounting seat.

Preferably, the telescopic rod component is fixedly connected with the screw rod through a nut and a thread and moves back and forth on the screw rod.

Preferably, the motor is fixedly connected with the motor box body through screws, and a worm shaft of the motor is vertically meshed with the worm wheel.

Preferably, the excircle of the worm wheel is sleeved with a self-locking torsion spring, one end of the self-locking torsion spring is fixedly connected with the mounting seat, and the other end of the self-locking torsion spring is not fixed.

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

the motor box body is designed in an integral mode, and the roundness and the concentricity of the central axis of the box body are guaranteed through the structure of the whole round core rod of the die, so that the running stability and the low noise of the motor are guaranteed.

Meanwhile, the mounting seat and the box body are designed in a split structure, and the mounting seat can be mounted by rotating 90 degrees according to assembly requirements, so that the horizontal mounting and the vertical mounting can be realized by mounting the whole push rod motor, and the function of a bearing seat is realized.

Drawings

FIG. 1 is a schematic structural diagram of a conventional two-half motor casing;

fig. 2 is a schematic structural view of the integral motor case of the present invention;

fig. 3 is a schematic view of the overall structure of the horizontal installation of the installation base of the present invention;

fig. 4 is a schematic view of the mounting base provided by the present invention having a bearing seat function;

fig. 5 is a schematic sectional structure of the present invention;

fig. 6 is a schematic view of the overall structure of the vertical installation of the installation base of the present invention;

in the figure: 1. a motor box body; 2. a fixing rod assembly; 3. a telescopic rod assembly; 4. a motor; 5. a screw assembly; 51. a screw rod; 52. a nut; 53. a front bearing; 54. a worm gear; 55. a rear bearing; 56. a self-locking torsion spring; 57. fastening screws; 6. and (7) mounting a seat.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 referred to 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of terms in the present invention can be understood according to specific circumstances.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a changeable linear push rod motor of installation angle, include:

the motor box body 1 is integrally formed, and a motor 4 is arranged in the motor box body 1; the motor box body 1 is formed by integrating two existing semicircular box bodies into an integral box body, and a fixed port is added on the basis of the original box body;

the fixing rod assembly 2 is a hollow accommodating rod with openings at two ends, one end of the fixing rod assembly 2 is fixedly connected with the motor box body 1 through a screw, and the other end of the fixing rod assembly 2 is connected with the telescopic rod assembly 3; the built-in cavity in the fixed rod component 2 provides a telescopic space for the telescopic rod component 3, so that the arrangement of the port of the fixed rod component 2 needs to ensure that the sliding of the telescopic rod component 3 is not influenced;

the telescopic rod component 3 is a hollow accommodating rod with an opening at one end, and the opening end of the telescopic rod component 3 extends into the fixed rod component 2 and is connected with the fixed rod component 2 in a sliding manner; the other end of the telescopic rod component 3 is connected with a driven piece, and the driven piece can realize sliding operation under the action of the telescopic rod component 3;

the screw rod assembly 5, the screw rod assembly 5 includes the lead screw 51 and nut 52 fixedly connected to lead screw 51 through the whorl, the afterbody of the lead screw 51 fixedly connects with front bearing 53, worm gear 54 and rear bearing 55 sequentially, the front bearing 53 fixedly connects with bearing shelf of the motor housing 1; the rear bearing 55 is fixed at the rear end of the screw rod 51 through a fastening screw 57; the screw rod assembly 5 has a very obvious function, and the screw rod 51 and the worm wheel 54 are used as important components and mainly used for converting the rotary driving force of the motor 4 into the driving force capable of realizing horizontal sliding;

mount pad 6, mount pad 6 card is on rear bearing 55, at front bearing 53 and the motor box 1 fixed connection that worm wheel 54 front and back end set up, rear bearing 55 fixed mounting 6, mount pad 6 passes through screw fixed connection motor box 1, and rear bearing 55 passes through mount pad 6 and motor box 1 fixed connection to realize the compactness between the whole equipment structure, guarantee that the transmission is more steady.

The telescopic rod component 3 is fixedly connected with the screw rod 51 through a nut 52 and moves back and forth on the screw rod 51, so that the telescopic rod component 3 directly realizes the telescopic transmission function through the screw rod 51.

The motor 4 is fixedly connected with the motor box body 1 through screws, a worm shaft of the motor 4 is vertically meshed with the worm gear 54, firstly, two meshed gear surfaces of the two wheels are in line contact, the bearing capacity of the motor is greatly higher than that of a staggered shaft helical gear mechanism, a large transmission ratio can be obtained, the motor is in multi-tooth meshing transmission, namely, the motor is in helical transmission, the transmission is stable, the noise is low, the motor has self-locking performance, and the structure is more compact.

Because the worm wheel 54 has a self-locking function, when the lead angle of the worm of the motor 4 is smaller than the equivalent friction angle between the meshing wheel teeth of the worm wheel 54, the mechanism has self-locking performance, and can realize reverse self-locking, namely, the worm wheel 54 can only be driven by the worm, but the worm wheel 54 cannot be driven by the worm wheel 54, and if the self-locking worm mechanism is used in heavy machinery, the reverse self-locking performance can play a safety protection role.

The cover is equipped with auto-lock torsional spring 56 on worm wheel 54's the excircle, auto-lock torsional spring 56 one end fixed connection mount pad 6, the auto-lock torsional spring 56 other end is unset, at first auto-lock torsional spring 56 fixes in the inside cavity of motor box 1, components of a whole that can function independently setting between mount pad 6 and the motor box 1, auto-lock torsional spring 56 outside diameter grow and make auto-lock torsional spring 56's lateral wall closely laminate with the inner wall of motor box 1 under the effort of mount pad 6, make mount pad 6 locking, the auto-lock torsional spring 56 other end is unset, do not be to auto-lock torsional spring 56 effort when mount pad 6, can realize mount pad 6 unblock, thereby realize mount pad 6 and can rotate 90 installations on motor box 1, thereby horizontal installation and perpendicular installation can be realized to the installation of whole push rod motor.

The working principle is as follows: firstly, the utility model adopts the motor box body 1 with the integral structure design, and guarantees the roundness and the concentricity of the central axis of the box body through the structure of the integral round core rod of the die, thereby guaranteeing the running stability and the low noise of the motor; meanwhile, the installation seat 6 and the motor box body 1 are designed in a split structure, the installation seat 6 can be installed in a rotating mode by 90 degrees according to requirements, horizontal installation and vertical installation can be achieved through installation of the whole push rod motor, the installation seat 6 is clamped on the rear bearing 55, the installation seat can have the function of a bearing seat simultaneously through the structural design, and installation is more stable.

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 changeable linear push rod motor of installation angle which characterized in that: the method comprises the following steps:

the motor box body (1), the motor box body (1) is formed integrally, and a motor (4) is arranged in the motor box body (1);

the fixing rod assembly (2) is a hollow accommodating rod with openings at two ends, one end of the fixing rod assembly (2) is fixedly connected with the motor box body (1) through a screw, and the other end of the fixing rod assembly (2) is connected with the telescopic rod assembly (3);

the telescopic rod component (3) is a hollow accommodating rod with an opening at one end, and the opening end of the telescopic rod component (3) extends into the fixed rod component (2) and is connected with the fixed rod component (2) in a sliding manner;

the screw rod assembly (5), the screw rod assembly (5) includes a screw rod (51) and a nut (52) fixedly connected to the screw rod (51) through threads, the tail of the screw rod (51) is fixedly connected with a front bearing (53), a worm gear (54) and a rear bearing (55) in sequence, and the front bearing (53) is fixedly connected with a bearing stop of the motor box body (1); the rear bearing (55) is fixed at the rear end of the screw rod (51) through a fastening screw (57);

the mounting seat (6) is clamped on the rear bearing (55), the mounting seat (6) is fixedly connected with the motor box body (1) through screws, and the rear bearing (55) is fixedly connected with the motor box body (1) through the mounting seat (6).

2. The linear push rod motor with a variable installation angle of claim 1, wherein: the telescopic rod component (3) is fixedly connected with the screw rod (51) through the nut (52) in a threaded manner and moves back and forth on the screw rod (51).

3. The linear push rod motor with a variable installation angle of claim 1, wherein: the motor (4) is fixedly connected with the motor box body (1) through screws, and a worm shaft of the motor (4) is vertically meshed with the worm wheel (54).

4. The linear push rod motor with a variable installation angle of claim 1, wherein: the outer circle of the worm wheel (54) is sleeved with a self-locking torsion spring (56), one end of the self-locking torsion spring (56) is fixedly connected with the mounting seat (6), and the other end of the self-locking torsion spring (56) is not fixed.