CN212115087U

CN212115087U - Motor brush holder

Info

Publication number: CN212115087U
Application number: CN202020794686.7U
Authority: CN
Inventors: 周伟
Original assignee: Jiangsu Yiken Electrical Technology Co ltd
Current assignee: Jiangsu Yiken Electrical Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-08
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a motor brush holder, belong to electromechanical manufacturing technical field, a motor brush holder, comprising a handle, the bottom fixed mounting of handle has the fixed axle, the bottom front side of fixed axle is provided with the brush box, the inside fixed mounting in front side of brush box has locking bolt, the inside pressure spring that is provided with of locking bolt's downside, the terminal front side of pressure spring is connected with the preforming, the top fixed mounting of preforming has the setting element, the top fixed mounting of setting element has a positioning sleeve, positioning sleeve's outside fixed mounting has the fixed block, the installation rail has been seted up on the upside surface of fixed block, the inboard of installation rail is provided with the constant head tank, the internal connection of constant head tank has the installed part, installed part top fixed mounting has fixed panel, fixed panel's inside is provided with spacing axle, the internal connection of spacing axle has the screw rod.

Description

Motor brush holder

Technical Field

The utility model relates to an electromechanical technical field that makes, more specifically say, relate to a motor brush holder.

Background

The brush holder is used for applying pressure on the brush which is in sliding contact with the surface of the commutator or the collecting ring through the spring so as to lead the brush to stably conduct current between the fixed body and the rotating body.

The existing motor brush holder generally adopts a pressure spring fixing mode of rivet fixation, the pressure spring belongs to an easily-consumed product, once the brush holder is damaged, the whole brush holder needs to be replaced, the fund and manpower are wasted, the pressure spring is inconvenient to position and install and fix, and in addition, the structure of the upper fixing plate of the brush holder is of a bottom-covering type and is too close to the surface of a motor slip ring, so that the motor is easily ignited, and the motor is damaged.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a motor brush holder, its convenient location installation fixed pressure spring is convenient for change and maintenance.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a motor brush holder, includes the handle, the bottom fixed mounting of handle has the fixed axle, the bottom front side of fixed axle is provided with the brush box, the inside fixed mounting in front side of brush box has locking bolt, the inside pressure spring that is provided with of locking bolt's downside, the terminal front side of pressure spring is connected with the preforming, the top fixed mounting of preforming has the setting element, the top fixed mounting of setting element has a position sleeve, position sleeve's outside fixed mounting has the fixed block, the installation rail has been seted up on the upside surface of fixed block, the inboard of installation rail is provided with the constant head tank, the internal connection of constant head tank has the installed part, installed part top fixed mounting has a fixed panel, fixed panel's inside is provided with spacing axle, the internal connection of spacing axle has.

Furthermore, the preforming is provided with 4 groups at brush box's upper surface equidistant, and the preforming is the one-to-one with the pressure spring and sets up, can use with four brushes simultaneously.

Furthermore, the bottom of the positioning piece is of a contraction structure, and the positioning piece is connected with the positioning groove in a sliding clamping manner, so that the position of the pressing piece is conveniently positioned.

Further, the embedded installation of installed part is in the inside of the inside installation rail that sets up of fixed block, and the installed part sets up about the central axis symmetry of fixed panel, makes things convenient for the block of fixed setting element.

Furthermore, the screw rod runs through the inside of fixed panel, and the connected mode of screw rod and position sleeve is threaded connection, makes things convenient for the fixed pressure spring of location installation, is convenient for change and maintenance.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of

(1) This scheme is convenient for fix a position the fixed pressure spring of installation, is convenient for change and maintenance.

(2) The preforming is provided with 4 groups at brush box's upper surface equidistant, and the preforming is the one-to-one setting with the pressure spring, can use with four brushes simultaneously.

(3) The bottom of the positioning piece is of a contraction structure, and the positioning piece is connected with the positioning groove in a sliding clamping manner, so that the position of the pressing piece is conveniently positioned.

(4) The embedded installation of installed part is in the inside of the inside installation rail that sets up of fixed block, and the installed part sets up about the central axis symmetry of fixed panel, the block of convenient fixed setting element.

(5) The screw rod runs through in the inside of fixed panel, and the connected mode of screw rod and position sleeve is threaded connection, and the fixed pressure spring of convenient location installation is convenient for change and maintenance.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of a side view of the connection between the compression spring and the pressing sheet of the present invention;

fig. 5 is a schematic view of the connection structure of the positioning member and the positioning groove of the present invention.

The reference numbers in the figures illustrate:

1. a grip; 2. a fixed shaft; 3. a brush box; 4. a locking bolt; 5. a pressure spring; 6. tabletting; 7. a positioning member; 8. a positioning sleeve; 9. a fixed block; 10. mounting a rail; 11. positioning a groove; 12. a mounting member; 13. fixing the panel; 14. a limiting shaft; 15. a screw.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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. 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, 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.

Example 1:

referring to fig. 1-5, a motor brush holder includes a handle 1, a fixed shaft 2 is fixedly mounted at the bottom of the handle 1, a brush box 3 is disposed at the front side of the bottom of the fixed shaft 2, a locking bolt 4 is fixedly mounted inside the front side of the brush box 3, a pressure spring 5 is disposed inside the lower side of the locking bolt 4, a pressing plate 6 is connected to the front side of the end of the pressure spring 5, a positioning member 7 is fixedly mounted at the top end of the pressing plate 6, a positioning sleeve 8 is fixedly mounted at the top end of the positioning member 7, a fixing block 9 is fixedly mounted outside the positioning sleeve 8, an installation rail 10 is disposed on the upper side surface of the fixing block 9, a positioning groove 11 is disposed inside the installation rail 10, an installation member 12 is connected inside the positioning groove 11, a fixing panel 13 is fixedly mounted at the top end of the installation.

Referring to fig. 1-2, 4 sets of pressing sheets 6 are arranged on the upper surface of the brush box 3 at equal intervals, and the pressing sheets 6 are arranged in one-to-one correspondence with the compression springs 5 and can be used with four brushes. The bottom of the positioning piece 7 is of a contraction structure, and the positioning piece 7 is connected with the positioning groove 11 in a sliding clamping manner, so that the position of the pressing piece 6 is conveniently positioned.

Referring to fig. 3-5, the mounting members 12 are embedded in the mounting rails 10 disposed inside the fixing block 9, and the mounting members 12 are symmetrically disposed about the central axis of the fixing panel 13 to facilitate the engagement of the fixing locations 7. The screw rod 15 runs through the inside of the fixed panel 13, and the screw rod 15 is in threaded connection with the positioning sleeve 8, so that the fixed pressure spring 5 is conveniently positioned and installed, and replacement and maintenance are facilitated.

Referring to fig. 1-2, when in use, the device is used according to the specification and the attached drawings, after all parts of the device are installed, the device is moved to a proper position through the handle 1, when in use, the brush box 3 of the device and the motor brush are placed together, the brush box 3 is provided with four subareas and four pressure springs 5 and can be used with four electric brushes, and the motor brush is pressed by the pressure springs 5 through the brush box 6 under the action of elastic force to prevent the play;

when pressure spring 5 damages, through the screw rod 15 in the antiport as in fig. 5, make the screw rod 15 drop the stable connection of position sleeve 8, and break away from fixed panel 13 to suitable position through installed part 12 in the inside slip of installation rail 10, fixed panel 13 is taken off, thereby make the setting element 7 break away from the connection of constant head tank 11, thereby make things convenient for the dismantlement of preforming 6, thereby the pressure spring 5 is changed in the location, otherwise, conveniently fix a position the fixed pressure spring 5 of installation, through simple bolt fastening for pressure spring 5, conveniently play the function of good location, just accomplish a series of operations of this motor brush holder above, conveniently fix a position the fixed pressure spring of installation, be convenient for change and maintenance.

The above is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a motor brush holder, includes handle (1), the bottom fixed mounting of handle (1) has fixed axle (2), the bottom front side of fixed axle (2) is provided with brush box (3), the inside fixed mounting of front side of brush box (3) has locking bolt (4), the inside pressure spring (5) that is provided with of downside of locking bolt (4), the terminal front side of pressure spring (5) is connected with preforming (6), its characterized in that: the top fixed mounting of preforming (6) has setting element (7), the top fixed mounting of setting element (7) has positioning sleeve (8), the outside fixed mounting of positioning sleeve (8) has fixed block (9), installation rail (10) have been seted up on the upside surface of fixed block (9), the inboard of installation rail (10) is provided with constant head tank (11), the internal connection of constant head tank (11) has installed part (12), installed part (12) top fixed mounting has fixed panel (13), the inside of fixed panel (13) is provided with spacing axle (14), the internal connection of spacing axle (14) has screw rod (15).

2. An electric motor brush holder according to claim 1, wherein: the pressing sheets (6) are arranged on the upper surface of the brush box (3) at equal intervals, and the pressing sheets (6) and the pressure springs (5) are arranged in a one-to-one correspondence mode.

3. An electric motor brush holder according to claim 1, wherein: the bottom of the positioning piece (7) is of a contraction structure, and the positioning piece (7) is connected with the positioning groove (11) in a sliding clamping manner.

4. An electric motor brush holder according to claim 1, wherein: the mounting pieces (12) are embedded in mounting rails (10) arranged in the fixing blocks (9), and the mounting pieces (12) are symmetrically arranged around the central axis of the fixing panel (13).

5. An electric motor brush holder according to claim 1, wherein: the screw (15) penetrates through the inside of the fixed panel (13), and the screw (15) is in threaded connection with the positioning sleeve (8).