CN219458787U

CN219458787U - End cover of heavy-duty stepping motor

Info

Publication number: CN219458787U
Application number: CN202320335542.9U
Authority: CN
Inventors: 梁凯; 肖锦; 周菜
Original assignee: Suizhou Jinxiang Motor Technology Co ltd
Current assignee: Suizhou Jinxiang Motor Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-01
Anticipated expiration: 2033-02-28

Abstract

The utility model belongs to the technical field of stepping motors, and particularly relates to a weight-reducing stepping motor end cover which comprises a motor rear end cover and a shaft sleeve, wherein a threaded hole is formed in the periphery of the motor rear end cover, a shaft hole is formed in the center of the motor rear end cover, the shaft sleeve is fixed on the inner side of the motor rear end cover and right behind the shaft hole, a reinforcing component is arranged on the periphery of the shaft sleeve, and one end, deviating from the shaft sleeve, of the reinforcing component is connected with a fixing plate. The utility model has the advantages that the plurality of pressure-resistant layers made of iron are equidistantly arranged and are of triangular structures, the strength of the material is high, the strength of the rear end cover of the motor can be effectively ensured by combining the characteristic of stable triangular structures, the aluminum alloy layer material has the characteristics of light weight and good heat conductivity, and compared with the motor end cover made of pure iron, the rear end cover of the motor achieves the aim of reducing weight while ensuring the strength.

Description

End cover of heavy-duty stepping motor

Technical Field

The utility model belongs to the technical field of stepping motors, and particularly relates to a weight-reducing stepping motor end cover.

Background

The stepping motor is a motor for converting an electric pulse signal into corresponding angular displacement or linear displacement, is one of motors frequently used in equipment, has stable performance and long service life, and is an important component of a motor shell, and the motor end cover is usually installed in a bolt fixing mode, so that the motor is mainly convenient to detach and overhaul when the motor fails.

Most of the motor end covers commonly used in the market are cast of pure iron, and have the effect of high strength, but are heavy, so that the overall weight of the stepping motor is increased. Accordingly, there is an urgent need for improvements to existing motor end caps to provide a reduced weight stepper motor end cap.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the motor end cover which is reasonable in design, simple in structure, light in weight, high in strength and used for solving the problems that most of the motor end cover is cast by pure iron materials in the prior art, and the motor end cover has the high-strength effect, but is heavy in weight, and the overall weight of a stepping motor is increased.

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

the utility model provides a subtract heavy step motor end cover, its includes motor rear end cover and axle sleeve, the screw hole has been seted up to the inside week side of motor rear end cover, the center department of motor rear end cover has seted up the shaft hole, and the inboard of motor rear end cover just is located the shaft hole and is fixed with the axle sleeve directly over, and the week side of axle sleeve is provided with the reinforcement subassembly, and the one end that the reinforcement subassembly deviates from the axle sleeve is connected with the fixed plate.

As a preferred implementation mode, the motor rear end cover comprises a first reinforcing layer, an aluminum alloy layer, a pressure-resistant layer and a second reinforcing layer, wherein the aluminum alloy layer and the pressure-resistant layer are arranged between the first reinforcing layer and the second reinforcing layer, and the aluminum alloy layer and the pressure-resistant layer are equidistantly arranged along the length direction of the first reinforcing layer.

As a preferred embodiment, the aluminum alloy layer and the pressure-resistant layer are disposed at intervals between the first reinforcing layer and the second reinforcing layer, and the pressure-resistant layer has a triangular longitudinal section.

In a preferred embodiment, the first reinforcing layer and the second reinforcing layer are both made of steel, and the pressure-resistant layer is made of iron.

As a preferred embodiment, the threaded holes are provided with four groups in total, and the four groups of threaded holes are distributed annularly around the shaft hole.

As a preferred implementation mode, the fixed plate and the reinforcing component are fixedly connected with the rear end cover of the motor, the fixed plate and the reinforcing component are arranged at equal angles by taking the shaft sleeve as the center of a circle, and the fixed plate and the reinforcing component are arranged at intervals.

As a preferred implementation mode, the reinforcing component comprises reinforcing ribs and connecting sheets, wherein the reinforcing ribs are fixedly connected between the two connecting sheets, one ends of the reinforcing ribs and the two connecting sheets are fixedly connected with the shaft sleeve, the other ends of the reinforcing ribs are fixedly connected with the rear end cover of the motor, and the other ends of the connecting sheets are fixedly connected with the fixing plate.

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

in the scheme of the utility model:

the pressure-resistant layers made of iron are equidistantly provided with a plurality of triangular structures, the strength of the material is high, the strength of the rear end cover of the motor can be effectively ensured by combining the characteristic of stable triangular structures, the aluminum alloy layer material has the characteristics of light weight and good heat conductivity, and compared with the motor end cover made of pure iron, the rear end cover of the motor achieves the aim of reducing weight while ensuring the strength;

the reinforcing components which are radially arranged outwards around the shaft sleeve are mutually connected and matched with the fixing plate, so that the connection strength between the motor rear end cover and the shaft sleeve can be improved, deformation is avoided, a plurality of reinforcing components which are annularly distributed save materials, the weight of the motor rear end cover is reduced, and the weight reduction design of the motor rear end cover is realized.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:

FIG. 1 is a schematic view of a three-dimensional rear view structure of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional front view structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the rear end cover of the motor according to the present utility model;

fig. 4 is a schematic rear view of the reinforcement assembly of the present utility model.

In the figure:

1. a motor rear end cover; 101. a first reinforcing layer; 102. an aluminum alloy layer; 103. a pressure-resistant layer; 104. a second reinforcing layer; 2. a threaded hole; 3. a shaft hole; 4. a shaft sleeve; 5. a fixing plate; 6. a reinforcement assembly; 601. reinforcing ribs; 602. and a connecting sheet.

Detailed Description

The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:

as shown in fig. 1-4, the weight-reducing type stepping motor end cover comprises a motor rear end cover 1 and a shaft sleeve 4, wherein a threaded hole 2 is formed in the periphery of the motor rear end cover 1, the motor rear end cover 1 is conveniently installed through the threaded hole 2, a shaft hole 3 is formed in the center of the motor rear end cover 1, the shaft sleeve 4 is fixed on the inner side of the motor rear end cover 1 and right behind the shaft hole 3, a reinforcing component 6 is arranged on the periphery of the shaft sleeve 4, motor end cover materials can be saved under the action of a plurality of annularly distributed reinforcing components 6, the weight reduction purpose is achieved, and one end of the reinforcing component 6, which is far away from the shaft sleeve 4, is connected with a fixing plate 5.

As a preferred embodiment, on the basis of the above structure, the motor rear end cover 1 further includes a first reinforcing layer 101, an aluminum alloy layer 102, a pressure-resistant layer 103 and a second reinforcing layer 104, the aluminum alloy layer 102 and the pressure-resistant layer 103 are both disposed between the first reinforcing layer 101 and the second reinforcing layer 104, and the aluminum alloy layer 102 and the pressure-resistant layer 103 are all equidistantly provided with a plurality of layers along the length direction of the first reinforcing layer 101, so that the weight of the motor rear end cover 1 is reduced, and meanwhile, the motor rear end cover 1 has good thermal conductivity.

In a preferred embodiment, in addition to the above structure, the aluminum alloy layer 102 and the pressure-resistant layer 103 are disposed at intervals between the first reinforcing layer 101 and the second reinforcing layer 104, the pressure-resistant layer 103 has a triangular structure in longitudinal section, and the pressure-resistant layer 103 having a triangular structure can ensure the strength of the motor rear cover 1 by utilizing the characteristic of stable triangular structure.

As a preferred embodiment, on the basis of the above structure, further, the first reinforcing layer 101 and the second reinforcing layer 104 are both made of steel, the pressure-resistant layer 103 is made of iron, and the strength of the motor end cover is not affected while the weight of the motor end cover is reduced due to the pressure-resistant layer 103.

As a preferred embodiment, on the basis of the above structure, further, four groups of screw holes 2 are provided, the four groups of screw holes 2 are distributed annularly around the shaft hole 3, and the four groups of screw holes 2 are provided, so that the motor rear end cover 1 is convenient to install.

As a preferred embodiment, on the basis of the above structure, further, the fixing plate 5 and the reinforcing component 6 are fixedly connected with the motor rear end cover 1, the fixing plate 5 and the reinforcing component 6 are all arranged at equal angles with the shaft sleeve 4 as the center, the fixing plate 5 and the reinforcing component 6 are arranged at intervals, and the connection strength between the motor rear end cover 1 and the shaft sleeve 4 can be improved by using the arrangement of the fixing plate 5 and the reinforcing component 6.

As a preferred embodiment, on the basis of the above structure, further, the reinforcing component 6 includes a reinforcing rib 601 and a connecting piece 602, the reinforcing rib 601 is fixedly connected between the two connecting pieces 602, one ends of the reinforcing rib 601 and the two connecting pieces 602 are fixedly connected with the shaft sleeve 4, the other end of the reinforcing rib 601 is fixedly connected with the motor rear end cover 1, the other end of the connecting piece 602 is fixedly connected with the fixing plate 5, and the radial design of the reinforcing components 6 also achieves the purpose of end cover weight reduction while saving materials.

The working principle of the utility model is as follows:

the motor rear end cover 1 is internally provided with a plurality of aluminum alloy layers 102 and pressure-resistant layers 103 which are arranged at intervals, the pressure-resistant layers 103 are made of iron materials, the pressure-resistant layers 103 are of triangular structures, the iron materials have high strength and are combined with the characteristics of triangular structure stability, the strength of the motor rear end cover 1 can be guaranteed, the aluminum alloy layers 102 are made of materials, the weight is light, the heat conduction effect is good, the aluminum alloy layers 102 are matched with the triangular pressure-resistant layers 103 made of iron materials, and the motor rear end cover 1 can achieve the purpose of weight reduction while guaranteeing the strength;

the reinforcing components 6 which are radially arranged outwards on the periphery of the shaft sleeve 4 are mutually connected and matched with the fixing plate 5, so that the connection strength between the motor rear end cover 1 and the shaft sleeve 4 can be improved, the occurrence of compression deformation is avoided, the strength is higher, the protection effect is better, a plurality of reinforcing components 6 which are annularly distributed save the required production material of the motor rear end cover 1, the self weight of the motor rear end cover 1 is also reduced, and the weight reduction design of the motor rear end cover 1 is further realized.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model; all equivalent changes, modifications, substitutions and variations on the prior art by logic analysis, reasoning or limited experiments by those skilled in the art, based on the present inventive concept, shall be made within the scope of protection as defined by the claims.

Claims

1. The utility model provides a subtract heavy step motor end cover, includes motor rear end cover (1) and axle sleeve (4), its characterized in that: screw hole (2) have been seted up to the inside week side of motor rear end cap (1), shaft hole (3) have been seted up in the center department of motor rear end cap (1), and the inboard of motor rear end cap (1) just is located the shaft hole (3) and is fixed with axle sleeve (4) behind, and the week side of axle sleeve (4) is provided with reinforcement subassembly (6), and the one end that reinforcement subassembly (6) deviate from axle sleeve (4) is connected with fixed plate (5).

2. A reduced weight stepper motor end cap as defined in claim 1, wherein: the motor rear end cover (1) comprises a first reinforcing layer (101), an aluminum alloy layer (102), a pressure-resistant layer (103) and a second reinforcing layer (104), wherein the aluminum alloy layer (102) and the pressure-resistant layer (103) are arranged between the first reinforcing layer (101) and the second reinforcing layer (104), and the aluminum alloy layer (102) and the pressure-resistant layer (103) are equidistantly provided with a plurality of components along the length direction of the first reinforcing layer (101).

3. A reduced weight stepper motor end cap as defined in claim 2, wherein: the aluminum alloy layer (102) and the pressure-resistant layer (103) are arranged at intervals between the first reinforcing layer (101) and the second reinforcing layer (104), and the longitudinal section of the pressure-resistant layer (103) is of a triangular structure.

4. A reduced weight stepper motor end cap as defined in claim 3, wherein: the first reinforcing layer (101) and the second reinforcing layer (104) are both made of steel, and the pressure-resistant layer (103) is made of iron.

5. A reduced weight stepper motor end cap as defined in claim 1, wherein: the threaded holes (2) are provided with four groups in total, and the four groups of threaded holes (2) are distributed annularly around the shaft hole (3).

6. A reduced weight stepper motor end cap as defined in claim 1, wherein: the fixed plate (5) and the reinforcing component (6) are fixedly connected with the motor rear end cover (1), the fixed plate (5) and the reinforcing component (6) are arranged at equal angles by taking the shaft sleeve (4) as a center, and the fixed plate (5) and the reinforcing component (6) are arranged at intervals.

7. A reduced weight stepper motor end cap as defined in claim 1, wherein: reinforcing component (6) are including strengthening rib (601) and connection piece (602), strengthening rib (601) fixed connection is two between connection piece (602), strengthening rib (601) and two the one end of connection piece (602) all links to each other with axle sleeve (4) is fixed, the other end of strengthening rib (601) links to each other with motor rear end cap (1) is fixed, the other end and the fixed plate (5) fixed connection of connection piece (602).