CN214674674U

CN214674674U - Brush spring convenient to dismouting

Info

Publication number: CN214674674U
Application number: CN202120674962.0U
Authority: CN
Inventors: 胥沛沛; 孟庆侃
Original assignee: Suzhou Xinhuatai Precision Hardware Co ltd
Current assignee: Suzhou Xinhuatai Precision Hardware Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-09
Anticipated expiration: 2031-04-02

Abstract

The utility model belongs to the technical field of the motor, specifically disclose a brush spring convenient to dismouting, include brush carrier and install the spring leaf in brush carrier, brush carrier is the open rectangle shell structure of top surface, and the arc curved surface structure of arching is stretched out brush carrier and is buckled into at the spring leaf middle part, and in brush carrier was arranged in at its both ends, wherein one end was buckled into spiral coiled structure's elasticity end, and this elasticity end passes through fixing stud and installs in brush carrier, and the outside perpendicular book of its other end is rolled over and is formed the spacing end that stretches out brush carrier lateral wall, and this spacing end passes through the limiting plate restriction at brush carrier outside. The utility model can limit the two ends of the spring piece without influencing the work of the spring piece by arranging the fixing stud and the limiting plate which limit the two ends of the spring piece on the brush holder, thereby avoiding loosening; and the whole assembly and disassembly is convenient, and the spring pieces can be replaced quickly.

Description

Brush spring convenient to dismouting

Technical Field

The utility model relates to the technical field of electric machines, specifically be a brush spring convenient to dismouting.

Background

The existing electric brush assembly mainly comprises an electric brush box, a spring, an electric brush frame which is arranged in the electric brush box and is provided with a through hole, and an electric brush which is arranged in the through hole of the electric brush frame in a sliding manner, wherein a wire is arranged on the electric brush and is connected with an external power line through a conducting strip, and the power line and the wire are welded on the conducting strip in a welding manner.

If the spring breaks or loses its elasticity, the motor cannot operate and the spring must be replaced with a new one. At present, a spring and an electric brush frame are assembled with the spring in a clamping mode, and the clamping position of the spring is easy to loosen and poor in stability during working; if the two ends of the spring are fixed, the spring is inconvenient to disassemble and assemble when being replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric brush spring convenient to dismouting to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric brush spring convenient to dismouting, includes the brush yoke and installs the spring leaf in the brush yoke, the brush yoke is the open rectangle shell structure of top surface, and the arc curved surface structure of arching is stretched out and become to the brush yoke and buckle at the spring leaf middle part, and in the brush yoke was arranged in at its both ends, wherein the elasticity end of helical coiled structure is buckled into to one end, and this elasticity end passes through fixing stud and installs in the brush yoke, and its other end is outwards turned over a spacing end that forms to stretch out the brush yoke lateral wall perpendicularly, and this spacing end passes through the limiting plate restriction at the brush yoke outside.

Preferably, the fixing stud extends along the width direction of the spring piece and penetrates through the center of the elastic end, through holes for the fixing stud to penetrate through are reserved on two side walls of the electric brush frame correspondingly, a limiting end is arranged at one end of the fixing stud, and a fastening nut is sleeved at the other end of the fixing stud in a threaded manner.

Preferably, the side surface of the fixing stud is provided with a slot, and the central end head of the elastic end is bent inwards to form an inserting piece inserted into the slot.

Preferably, the slot is arranged on the bottom side surface of the fixing stud, the inserting sheet is vertically arranged upwards, and the tail end of the inserting sheet is of a pointed structure.

Preferably, a guide groove for the limiting end to penetrate out is reserved on the side face of the electric brush frame, the guide groove is of a structure shaped like a Chinese character 'ri', and a limiting rod is formed in the middle of the guide groove.

Preferably, the limiting plate is of an L-shaped structure, a vertical plate of the limiting plate extends downwards and vertically penetrates through a limiting end, and a limiting groove for the limiting plate to penetrate through is formed in the limiting end.

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

the utility model can limit the two ends of the spring piece without influencing the work of the spring piece by arranging the fixing stud and the limiting plate which limit the two ends of the spring piece on the brush holder, thereby avoiding loosening; and the whole assembly and disassembly is convenient, and the spring pieces can be replaced quickly.

Drawings

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

FIG. 2 is a schematic view of the brush holder according to the present invention;

FIG. 3 is a schematic view of the spring plate of the present invention;

fig. 4 is a schematic structural diagram of the fixing stud of the present invention.

In the figure: 1. an electric brush holder; 2. a spring plate; 3. an elastic end; 4. fixing the stud; 5. a limiting end; 6. a limiting plate; 7. a through hole; 8. fastening a nut; 9. a slot; 10. inserting sheets; 11. a guide groove; 12. a limiting rod; 13. a limiting groove.

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. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an electric brush spring convenient to dismouting, includes brush carrier 1 and installs spring leaf 2 in brush carrier 1, brush carrier 1 is the open rectangle shell structure of top surface, and 2 middle parts of spring leaf stretch out brush carrier 1 and buckle into the arc curved surface structure of hunch-up, and in brush carrier 1 was arranged in at its both ends, wherein one end was buckled into spiral coiled structure's elasticity end 3, and this elasticity end 3 is installed in brush carrier 1 through fixing stud 4, and its other end is outwards turned over a spacing end 5 that forms and stretch out brush carrier 1 lateral wall perpendicularly, and this spacing end 5 is outside at brush carrier 1 through the restriction of limiting plate 6.

Furthermore, the fixing stud 4 extends along the width direction of the spring piece 2 and penetrates through the center of the elastic end 3, through holes 7 for the fixing stud 4 to penetrate through are reserved on two side walls of the electric brush frame 1 correspondingly, a limiting end is arranged at one end of the fixing stud 4, and a fastening nut 8 is sleeved at the other end of the fixing stud in a threaded manner.

Furthermore, a slot 9 is formed in the side surface of the fixing stud 4, and the central end of the elastic end 3 is bent inwards to form an insertion piece 10 inserted into the slot 9.

Further, the slot 9 is arranged on the bottom side surface of the fixing stud 4, the inserting piece 10 is vertically arranged upwards, and the tail end of the inserting piece is arranged to be in a tip structure.

Furthermore, a guide groove 11 for the limiting end 5 to penetrate out is reserved on the side surface of the electric brush holder 1, the guide groove 11 is of a structure shaped like a Chinese character 'ri', and a limiting rod 12 is formed in the middle of the guide groove.

Furthermore, the limiting plate 6 is of an L-shaped structure, a vertical plate of the limiting plate extends downwards and vertically penetrates through the limiting end 5, and a limiting groove 13 for the limiting plate 6 to penetrate through is formed in the limiting end 5.

The working principle is as follows: during installation, the elastic end 3 of the spring piece 2 is arranged in the electric brush frame 1, then the fixing stud 4 is inserted into the through hole 7 and penetrates through the elastic end 3, the slot 9 of the fixing stud 4 faces downwards, the inserting piece 10 of the elastic end 3 is inserted into the slot 9, and the end part of the fixing stud 4 is screwed down by the fastening nut 8, so that the installation of the elastic end 3 is completed.

Then, the limiting end 5 of the spring piece 2 extends out of the guide groove 11 on the side surface of the brush holder 1, is arranged below the limiting rod 12, and is pressed downwards to enable the limiting end 5 to be sleeved on the limiting plate 6 from bottom to top, and the limiting plate 6 prevents the limiting end from falling out of the guide groove 11; the stopper rod 12 is used to limit the upward movement stroke of the stopper tip 5.

When the spring piece 2 is disassembled, the fastening screw cap 8 is unscrewed, and the fixing stud 4 is pulled out.

Through the matching of the fixing stud 4 and the limiting plate 6, the two ends of the spring piece 2 can be limited while the work of the spring piece is not influenced, and the spring piece is prevented from loosening; and the whole assembly and disassembly is convenient, and the spring piece 2 can be replaced quickly.

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 an electric brush spring convenient to dismouting, includes brush carrier (1) and installs spring leaf (2) in brush carrier (1), a serial communication port, brush carrier (1) is the open rectangle shell structure of top surface, spring leaf (2) middle part is stretched out brush carrier (1) and is buckled into the arc curved surface structure of hunch-up, in brush carrier (1) is arranged in at its both ends, wherein one end is buckled into spiral coil structure's elasticity end (3), install in brush carrier (1) through fixing stud (4) this elasticity end (3), its other end is outwards turned over perpendicularly and is rolled over spacing end (5) that form and stretch out brush carrier (1) lateral wall, this spacing end (5) are outside at brush carrier (1) through limiting plate (6) restriction.

2. The brush spring for easy attachment and detachment according to claim 1, wherein: the fixing stud (4) extends along the width direction of the spring piece (2) and penetrates through the center of the elastic end (3), a through hole (7) for the fixing stud (4) to penetrate through is reserved on the two side walls of the electric brush frame (1) correspondingly, one end of the fixing stud (4) is provided with a limiting end, and the other end of the fixing stud is sleeved with a fastening nut (8) in a threaded manner.

3. The brush spring for easy attachment and detachment according to claim 1, wherein: the side surface of the fixing stud (4) is provided with a slot (9), and the central end of the elastic end (3) is bent inwards to form an inserting piece (10) inserted into the slot (9).

4. The brush spring for easy attachment and detachment according to claim 3, wherein: the bottom side surface of the fixing stud (4) is arranged in the slot (9), the inserting piece (10) is vertically arranged upwards, and the tail end of the inserting piece is of a pointed structure.

5. The brush spring for easy attachment and detachment according to claim 1, wherein: a guide groove (11) for the limiting end (5) to penetrate out is reserved in the side face of the electric brush frame (1), the guide groove (11) is of a structure shaped like a Chinese character 'ri', and a limiting rod (12) is formed in the middle of the guide groove.

6. The brush spring for easy attachment and detachment according to claim 1, wherein: the limiting plate (6) is of an L-shaped structure, a vertical plate of the limiting plate extends downwards and vertically penetrates through the limiting end (5), and a limiting groove (13) for the limiting plate (6) to penetrate through is formed in the limiting end (5).