CN213937592U

CN213937592U - End cover structure of miniature cylindrical low-power-consumption motor

Info

Publication number: CN213937592U
Application number: CN202023159285.3U
Authority: CN
Inventors: 刘弟军; 刘培刚
Original assignee: Hubei Henggao Electronic Co ltd
Current assignee: Hubei Henggao Electronic Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-10
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to an end cover structure of miniature cylinder low-power consumption motor, including the end cover body, the shell fragment, the end cover body includes the internal connection body, the external connection body, internal connection body and external connection body formula structure as an organic whole, be provided with two brush draw-in grooves on the internal connection body, the inside card of brush draw-in groove is gone into there is the brush, be provided with two sockets and two reference columns on the terminal surface of external connection body, the side of external connection body is provided with two shell fragment draw-in grooves, the shell fragment includes the fixed part, crimping portion, be provided with the round hole on the fixed part, the terminal surface laminating of fixed part and external connection body, the reference column embedding is in the inside of round hole, the tip of fixed part is provided with the bolt, the bolt embedding is in the inside of socket, the end and the brush butt of bolt, be connected with connecting portion between fixed part and crimping portion, the inside of connecting portion embedding at the shell fragment draw-in groove. The end cover structure of the miniature cylindrical low-power-consumption motor is convenient to assemble quickly.

Description

End cover structure of miniature cylindrical low-power-consumption motor

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to an end cover structure of miniature cylinder low-power consumption motor is related to.

Background

The miniature vibration motor is generally a direct current brush motor, an eccentric wheel is arranged on a motor shaft, and when the motor rotates, the center point of the eccentric wheel is not on the rotation center of the motor, so that the motor is in a continuous unbalance losing state, and vibration is caused by inertia effect.

The existing miniature vibration motor is generally connected with a power supply through a lead wire, a small space is usually reserved for fully utilizing the internal space of an electronic product, the miniature vibration motor is connected through the lead wire during installation, and the operation is difficult when the lead wire is straightened and a joint of the miniature vibration motor is connected in a narrow space due to the limit of the length of the lead wire; in addition, the mode of adopting the lead wire to be connected with the power supply needs to weld the two ends of the lead wire with joints respectively, so that the assembly is inconvenient. Therefore, an end cap structure of a miniature cylindrical low-power-consumption motor is needed to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide an end cover structure of miniature cylinder low-power consumption motor.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an end cover structure of a miniature cylindrical low-power-consumption motor comprises an end cover body and elastic pieces, wherein the end cover body comprises an inner connecting body and an outer connecting body, the inner connecting body and the outer connecting body are of an integral structure, two electric brush clamping grooves are formed in the inner connecting body, electric brushes are clamped in the electric brush clamping grooves, two sockets and two positioning columns are arranged on the end face of the outer connecting body, two elastic piece clamping grooves are formed in the side face of the outer connecting body, each elastic piece comprises a fixing part and a pressing part, a round hole is formed in the fixing part, the fixing part is attached to the end face of the outer connecting body, the positioning columns are embedded in the round holes, a bolt is arranged at the end part of the fixing part and embedded in the sockets, the tail end of the bolt is abutted to the electric brushes, and a connecting part is connected between the fixing part and the pressing part, the connecting part is embedded in the elastic sheet clamping groove.

Preferably, the end cap structure of the miniature cylindrical low-power-consumption motor is provided with a contact point on the crimping part.

Preferably, in the end cap structure of the micro-cylinder low-power consumption motor, the plug is perpendicular to the fixing portion.

Preferably, in the end cap structure of the miniature cylindrical low-power-consumption motor, a cross-sectional area of one end of the plug, which is far away from the fixing portion, is smaller than a cross-sectional area of the other end of the plug, so that the plug can be inserted into the socket.

Preferably, the end cap structure of the miniature cylindrical low-power-consumption motor is characterized in that a positioning notch is arranged on the end cap body.

Preferably, in the end cap structure of the micro-cylinder low power consumption motor, an outer contour of the inner connecting body is cylindrical.

The utility model has the advantages that: the inside of two brush draw-in grooves is blocked respectively to two brushes earlier when the equipment, installs two shell fragments afterwards, inserts the inside of socket with the bolt and laminates until the terminal surface of fixed part and external connection body, and in this in-process reference column inserted the round hole, reference column and round hole interference fit, in the shell fragment draw-in groove was gone into to connecting portion card, final shell fragment was firmly fixed on the end cover body. The end cover structure of the miniature cylindrical low-power-consumption motor is convenient to assemble quickly.

Drawings

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

FIG. 2 is a perspective view from another perspective of FIG. 1;

FIG. 3 is a schematic structural view of the end cap body;

fig. 4 is a perspective view of the elastic piece.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the end cover comprises an end cover body, 2, an electric brush clamping groove, 3, an electric brush, 4, an elastic sheet, 41, a fixing part, 42, a pressing part, 43, a round hole, 44, a bolt, 45, a connecting part, 46, a contact, 5, an elastic sheet clamping groove, 6, a positioning notch, 7, a socket, 8 and a positioning column.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, fig. 2, fig. 3, and fig. 4, an end cap structure of a micro cylindrical low power consumption motor includes an end cap body 1 and a spring plate 4, wherein the end cap body 1 includes an inner connecting body and an outer connecting body, and the inner connecting body and the outer connecting body are of an integrated structure. The outer contour of the inner connecting body is cylindrical, so that the inner connecting body can be conveniently embedded into the cylindrical shell of the motor. Two electric brush clamping grooves 2 are arranged on the inner connecting body, and electric brushes 3 are clamped in the electric brush clamping grooves 2. Two jacks 7 and two positioning columns 8 are arranged on the end face of the external connecting body. The side of the external connector is provided with two spring plate clamping grooves 5. The end cover body 1 is provided with a positioning notch 6, so that the end cover body 1 can be conveniently positioned when being assembled with a motor shell.

The spring plate 4 includes a fixing portion 41 and a press-contact portion 42. The fixing portion 41 is provided with a round hole 43, the fixing portion 41 is attached to the end face of the external connecting body, and the positioning column 8 is embedded in the round hole 43 and used for positioning and clamping the elastic sheet 4. The end of the fixing portion 41 is provided with a plug 44, and the plug 44 is perpendicular to the fixing portion 41. The pin 44 is embedded in the socket 7 to facilitate the clamping of the spring plate 4. The cross-sectional area of the end of the pin 44 remote from the fixing portion 41 is smaller than that of the other end, suitable for insertion of the pin 44 into the interior of the socket 7. The end of the latch 44 abuts the brush 3 to facilitate conduction of external current to the brush 3. A connecting portion 45 is connected between the fixing portion 41 and the press-bonding portion 42, and the connecting portion 45 is fitted into the spring catch 5. The press-fit portion 42 is provided with a smooth contact 46 for facilitating the interface with an external power source.

When assembling, two brushes 3 are clamped into the two brush clamping grooves 2 respectively, then two elastic sheets 4 are installed, the bolt 44 is inserted into the socket 7 until the end faces of the fixing portion 41 and the outer connecting body are attached to each other, the positioning column 8 is inserted into the round hole 43 in the process, the positioning column 8 and the round hole 43 are in interference fit, the connecting portion 45 is clamped into the elastic sheet clamping groove 5, and finally the elastic sheet 4 is firmly fixed on the end cover body 1. The end cover structure of the miniature cylindrical low-power-consumption motor is convenient to assemble quickly.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides an end cover structure of miniature cylinder low-power consumption motor which characterized in that: the end cover comprises an end cover body (1) and an elastic sheet (4), wherein the end cover body (1) comprises an inner connecting body and an outer connecting body, the inner connecting body and the outer connecting body are of an integral structure, two electric brush clamping grooves (2) are formed in the inner connecting body, electric brushes (3) are clamped in the electric brush clamping grooves (2), two sockets (7) and two positioning columns (8) are arranged on the end face of the outer connecting body, two elastic sheet clamping grooves (5) are formed in the side face of the outer connecting body, the elastic sheet (4) comprises a fixing part (41) and a crimping part (42), a round hole (43) is formed in the fixing part (41), the fixing part (41) is attached to the end face of the outer connecting body, the positioning column (8) is embedded into the round hole (43), a bolt (44) is arranged at the end part of the fixing part (41), and the bolt (44) is embedded into the socket (7), the tail end of the plug pin (44) is abutted to the electric brush (3), a connecting part (45) is connected between the fixing part (41) and the crimping part (42), and the connecting part (45) is embedded in the elastic sheet clamping groove (5).

2. The end cap structure of a miniature cylindrical low power consumption motor as claimed in claim 1, wherein: the crimping part (42) is provided with a contact (46).

3. The end cap structure of a miniature cylindrical low power consumption motor as claimed in claim 1, wherein: the bolt (44) is perpendicular to the fixing part (41).

4. The end cap structure of a miniature cylindrical low power consumption motor as claimed in claim 1, wherein: the cross-sectional area of one end of the plug pin (44) far away from the fixing part (41) is smaller than that of the other end, so that the plug pin (44) is suitable for being inserted into the socket (7).

5. The end cap structure of a miniature cylindrical low power consumption motor as claimed in claim 1, wherein: the end cover body (1) is provided with a positioning notch (6).

6. The end cap structure of a miniature cylindrical low power consumption motor as claimed in claim 1, wherein: the outer contour of the inner connecting body is cylindrical.