CN212257947U

CN212257947U - Brush holder capable of conveniently mounting and fixing inductance element

Info

Publication number: CN212257947U
Application number: CN202021782248.5U
Authority: CN
Inventors: 张发良; 束庆林; 袁晶水
Original assignee: Nantong Lianke Automobile Parts Co ltd
Current assignee: Nantong Lianke Automobile Parts Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2020-12-29
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a brush holder which can conveniently install and fix an inductance element, comprising a brush holder chassis, wherein an inductance fixing mechanism which is symmetrical about the center of the inductance fixing mechanism is transversely arranged on the brush holder chassis; the inductance mount is the taper structure, make things convenient for the drawing of patterns, the dismouting inductance is convenient, and inductance mount top is circular elasticity buckle structure, ensure can effectively fix the inductance, the clamping bar needs to have certain length, guarantee that inductance mount below is left sufficient space, make things convenient for the activity of brush pigtail of brush, it can not the overlength still to guarantee clamping bar length, because the clamping bar has elasticity, can lead to the inductance to rock, most parts on the brush yoke chassis all set up about the central symmetry on brush yoke chassis, the inductance is reliable and stable after the installation.

Description

Brush holder capable of conveniently mounting and fixing inductance element

Technical Field

The utility model relates to an electrical components technical field, more specifically say, it relates to a brush yoke that can fixed inductance element of easy to assemble.

Background

The brush holder in the motor plays the roles of fixing the brush block and conducting electricity, the brush holder is used for large motors, the brush holder is used for small motors, the brush holder of the motor applies pressure to the carbon brush which is in sliding contact with the surface of the commutator or the collecting ring through the spring, so that the carbon brush stably conducts the current between the fixed body and the rotating body, and the brush holder and the carbon brush are very important parts for the motor.

The motor brush holder is generally provided with the inductor, and the installation and replacement steps of the existing inductor are complicated, so that the installation and maintenance cost of equipment is greatly increased; if the position of the inductor on the brush frame is not proper, the inductor is unstable, and the use is influenced; when the brush yoke is connected with other parts of the motor, the brush braid of the electric brush is difficult to move on the brush yoke, and the integral installation speed of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a can be easy to assemble fixed inductance element's brush yoke, solve foretell one or more problems.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a brush holder capable of conveniently mounting and fixing an inductance element comprises a brush holder chassis, wherein an inductance fixing mechanism which is symmetrical about the center of the inductance fixing mechanism is transversely arranged on the brush holder chassis,

every inductance fixed establishment includes an inductance seat, inductance seat top is equipped with two bellied seats along vertical symmetry, is in along vertical the bilateral symmetry of inductance seat is equipped with two inductance mounts, every the inductance mount is kept away from one side of inductance seat all is equipped with an inductance socket, the inductance socket is equipped with the through-hole along vertical direction, the inductance is worn to establish on the inductance frame, inductance frame both ends respectively are equipped with one and insert the frame, insert the frame respectively in corresponding in the through-hole of inductance socket, the inductance bottom is contradicted on the bellied seat, the inductance both sides are contradicted on the inductance mount.

Furthermore, a through groove is formed in the side face, away from the center of the brush holder chassis, of the inductance socket.

Furthermore, the inductance fixing frame comprises two symmetrically arranged clamping rods, the bottoms of the clamping rods and the brush holder base plate are integrally formed, and the tops of the two clamping rods form a taper structure.

Furthermore, the top end of the clamping rod is of a circular buckling structure.

Furthermore, the clamping rod is made of elastic materials.

Further, the ratio of the height of the inductor fixing frame exceeding the top surface of the inductor base to the height of the protrusion base is 3: 1.

Furthermore, a through groove is formed in the center of the brush holder chassis in the vertical direction, a plurality of groups of symmetrical open grooves are further formed in the brush holder chassis, and each group of open grooves are symmetrically arranged relative to the center of the brush holder chassis.

Furthermore, a plurality of butt joint installation seats are arranged at the bottom of the brush frame chassis, and each group of butt joint installation seats are symmetrically arranged relative to the center of the brush frame chassis.

To sum up, the utility model discloses following beneficial effect has:

1. the inductor fixing frame is of a cone-mouth structure, so that demoulding is facilitated, the inductor is convenient to disassemble and assemble, and the top end of the inductor fixing frame is of a round elastic buckle structure, so that the inductor can be effectively fixed;

2. the clamping rod needs to have a certain length, so that a sufficient space is reserved below the inductor fixing frame, the electric brush braid can move conveniently, the clamping rod is guaranteed not to be too long, and the inductor can shake due to the elasticity of the clamping rod;

3. most parts on the brush holder chassis are symmetrically arranged about the center of the brush holder chassis, and the inductor is stable and reliable after being installed.

Drawings

Fig. 1 is a top view of a brush holder for conveniently mounting and fixing an inductance element according to the present invention;

fig. 2 is a front view of a brush holder for conveniently mounting and fixing an inductance element provided by the present invention;

FIG. 3 is a schematic perspective view of a brush holder chassis provided by the present invention;

fig. 4 is a schematic perspective view of a brush holder for conveniently mounting and fixing an inductance element according to the present invention;

fig. 5 is a schematic diagram of an inductor installation provided by the present invention;

fig. 6 is a main sectional view of a brush holder for conveniently mounting and fixing an inductance element according to the present invention;

fig. 7 is an enlarged cross-sectional view of the top of the inductance fixture according to the present invention;

in the figure:

1. a brush holder chassis; 11. butting the mounting seats; 2. an inductor fixing mechanism; 21. an inductor base; 22. a boss base; 23. an inductor fixing frame; 24. an inductive socket; 25. an inductor frame; 26. inserting a frame; 231. and a clamping rod.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1 to 7.

Fig. 1 is a plan view of the brush holder, which is based on the horizontal and vertical directions in the drawing, and when the brush holder is normally used, the placing surface of the brush holder chassis 1 is a horizontal plane, and the direction perpendicular to the horizontal plane is a vertical direction.

A brush holder capable of conveniently mounting and fixing an inductance element comprises a brush holder chassis 1, wherein two inductance fixing mechanisms 2 are transversely arranged on the brush holder chassis 1, and the two inductance fixing mechanisms 2 are symmetrically arranged about the center of the brush holder chassis 1.

Each inductance fixing mechanism 2 comprises an inductance seat 21, two protrusion seats 22 are longitudinally arranged on the top of the inductance seat 21, the two protrusion seats 22 are symmetrically arranged about the center of the inductance seat 21, two inductance fixing frames 23 are respectively arranged on two sides of the inductance seat 21 along the longitudinal direction, the two inductance fixing frames 23 are symmetrically arranged about the center of the inductance seat 21, one side of each inductance fixing frame 23 away from the inductance seat 21 is provided with an inductance socket 24, the two inductance sockets 24 are vertically arranged along the longitudinal direction, the two inductance sockets 24 are also symmetrically arranged about the center of the inductance seat 21, the inductance socket 24 is provided with a through hole along the vertical direction, a through groove is arranged in the direction of the inductance socket 24 away from the center of the brush holder chassis 1, the through groove only penetrates through one side surface of the inductance socket 24, the inductance penetrates through the inductance holder 25 in a coil form, two insertion frames 26 are respectively arranged at two ends of the inductance holder 25, the insertion frames 26 are respectively inserted into the, the bottom of the inductor props against the protruding seat 22, two sides of the inductor props against the inductor fixing frame 23, and the protruding seat 22 and the inductor fixing frame 23 form a taper structure to fix the inductor.

The inductance fixing frame 23 comprises two symmetrically arranged clamping rods 231, the clamping rods 231 are made of elastic materials, the clamping rods 231 have certain inclination along the vertical direction, the top ends of the clamping rods 231 are of circular buckling structures, the bottoms of the clamping rods 231 and the brush holder chassis 1 are integrally formed, and the tops of the two clamping rods 231 form a cone opening structure with an inward closing trend.

The top surface of the inductance seat 21 is a plane, and the ratio of the height of the portion of the inductance fixing frame 23, which exceeds the top surface of the inductance seat 21, to the height of the protrusion seat 22 is 3:1 based on the bottom surface of the inductance seat 21.

The brush yoke chassis 1 center has been seted up logical groove along vertical direction, still is equipped with the open slot of a plurality of groups symmetry on the brush yoke chassis 1, and the quantity of every group open slot is the dual number, and concrete quantity is increased and decreased according to the mechanism of installation motor, and the open slot of every group all sets up about the central symmetry of brush yoke chassis 1.

Brush yoke chassis 1 bottom is equipped with a plurality of groups butt joint mount pad 11, and the quantity of every group butt joint mount pad 11 is the dual number, and specific quantity increases and decreases according to the structure of installation motor, and every group butt joint mount pad 11 all sets up about the central symmetry of brush yoke chassis 1.

The working principle is as follows: the inductor is wound on the inductor frame 25 in a coil form, the inserting frame 26 on the inductor frame 25 is vertically downward, the inserting frame 26 is inserted into the inductor socket 24, meanwhile, the inductor coil extrudes a gap at the top of the inductor fixing frame 23 and downward until the bottom of the inductor coil is abutted against the protruding seat 22, two sides of the inductor coil are abutted against the inner side surface of the inductor fixing frame 23, the gap at the top of the inductor fixing frame 23 is closed to the other clamping rod 231 again under the elastic action of the clamping rod 231, but the gap is not closed.

The through groove on the inductance socket 24 can make the inductance pull out the plug frame 26 from the through groove on the premise of not detaching the inductance from the inductance fixing frame 23, and the inductance fixing frame 23 is long enough to ensure that a space is left below the inductance fixing frame, so that the electric brush braid can move conveniently.

The ratio of the height of the portion of the inductance fixing frame 23, which exceeds the top surface of the inductance seat 21, to the height of the boss 22 itself is 3:1, which is the optimum data obtained by experiments,

the height of the part of the inductance fixing frame 23, which exceeds the top surface of the inductance seat 21, is determined by taking the height of the bulge seat 22 as the reference base number n, 2n, 3n, 4n and 5n are arranged at the height of the part of the inductance fixing frame 23, which exceeds the top surface of the inductance seat 21, and the shaking degree of the inductance is tested by a vibration motor after the inductance is installed; by poking the inductor to the left and right sides with a hand, the inductance rack 25 is not provided with the plug-in rack 26, the stability of the inductance rack is tested, and the experimental data are as follows:

according to the results after simple experiments, when the height of the part of the inductance fixing frame 23, which exceeds the top surface of the inductance base 21, is 3n, the shaking degree and the left-right shifting deviation degree of the inductance after installation are small, and the inductance is most stable after installation, so that the height of the part of the inductance fixing frame 23, which exceeds the top surface of the inductance base 21, is 3n, which is an optimal solution, and finally, the optimal ratio of the height of the part of the inductance fixing frame 23, which exceeds the top surface of the inductance base 21, to the height of the bulge base 22 is determined to be 3: 1.

It should be noted that in the description of the present invention, it should be understood that the terms "center", "horizontal", "longitudinal", "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a can be easy to assemble fixed inductance element's brush yoke which characterized in that: comprises a brush frame chassis (1), an inductance fixing mechanism (2) which is symmetrical about the center of the brush frame chassis (1) is transversely arranged on the brush frame chassis (1),

every inductance fixed establishment (2) include an inductance seat (21), inductance seat (21) top is equipped with two bellied seats (22) along vertical symmetry, is in along vertical the bilateral symmetry of inductance seat (21) is equipped with two inductance mount (23), every inductance mount (23) are kept away from one side of inductance seat (21) all is equipped with an inductance socket (24), inductance socket (24) are equipped with the through-hole along vertical direction, inductance (3) are worn to establish on inductance mount (25), inductance mount (25) both ends respectively are equipped with one and insert frame (26), insert frame (26) and insert respectively in the corresponding in the through-hole of inductance socket (24), inductance (3) bottom is contradicted on bellied seat (22), inductance (3) both sides are contradicted on inductance mount (23).

2. A brush holder according to claim 1, wherein: and a through groove is formed in the side surface of one end, far away from the center of the brush holder chassis (1), of the inductance socket (24).

3. A brush holder according to claim 1, wherein: the inductance fixing frame (23) comprises two symmetrically arranged clamping rods (231), the bottoms of the clamping rods (231) and the brush holder chassis (1) are integrally formed, and the tops of the clamping rods (231) form a cone opening structure.

4. A brush holder according to claim 3, wherein: the top end of the clamping rod (231) is of a circular buckling structure.

5. A brush holder according to claim 3, wherein: the clamping rod (231) is made of elastic materials.

6. A brush holder according to claim 1, wherein: the ratio of the height of the inductor fixing frame (23) exceeding the top surface of the inductor base (21) to the height of the bulge base (22) is 3: 1.

7. A brush holder according to claim 1, wherein: the brush holder chassis (1) center has been seted up logical groove along vertical direction, still be equipped with the open slot of a plurality of groups symmetry on the brush holder chassis (1), every group open slot all is about the central symmetry setting of brush holder chassis (1).

8. A brush holder according to claim 1, wherein: the brush holder is characterized in that a plurality of butt joint installation seats (11) are arranged at the bottom of the brush holder chassis (1), and each group of butt joint installation seats (11) are symmetrically arranged relative to the center of the brush holder chassis (1).