CN211295649U

CN211295649U - Detachable brush holder

Info

Publication number: CN211295649U
Application number: CN201922407572.2U
Authority: CN
Inventors: 黄郁
Original assignee: Huizhou Yougen Electric Co ltd
Current assignee: Huizhou Yougen Electric Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-18
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a detachable brush holder belongs to generator or motor spare part technical field, has solved brush installation reliability and the convenient technical problem who changes. The technical points are as follows: the electric brush fixing device comprises a fixed seat, a connecting mechanism and an electric brush mounting mechanism, wherein the connecting mechanism is detachably connected to the fixed seat; the connecting mechanism comprises a rotating shaft, a connecting block and a stop lever, the rotating shaft is elastically and rotatably arranged on the connecting block, and the stop lever is fixed at one end of the rotating shaft; the fixing seat comprises a first insertion hole and a locking piece, and the locking piece is arranged around the end part of the first insertion hole; the locking piece comprises a groove and a guide table, and the guide table is arranged on one side of the groove; the stop lever can pass through the first jack and rotate to slide into the groove from the guide table to hook the groove. The utility model is used for the brush installation of generator or motor.

Description

Detachable brush holder

Technical Field

The utility model relates to a spare part technical field of motor or generator, concretely relates to detachable brush holder.

Background

The motor and the generator are common parts in industrial production, the motor provides rotating power for machine equipment, and the generator provides electric energy for industrial production and residential life. Both the motor and the generator comprise a rotor which needs to be supplied with power by means of brushes which need to be mounted on a fixed structure and always maintain good contact with the rotor, which requires the use of brush holders for mounting the brushes.

The brush holders are preferably removably mounted to the base of the motor and generator to facilitate replacement of the brushes. The existing brush holder is generally inserted through a long hole in the base through a rotating shaft with a blocking rod, and then the rotating shaft is rotated by 90 degrees so that the blocking rod is blocked at one side of the long hole, so that the brush holder main body structure connected with the brush holder can be connected to the base. The rotating shaft of the detachable brush holder with the structure has no angle limitation, and can rotate at any angle in the long hole, so that the electric brush on the brush holder main body can also rotate, and the contact reliability of the electric brush and the rotor is influenced; and it is not known whether the stop lever is just rotated to the optimal position or not at the time of installation, which affects the assembly efficiency of the brush holder.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the not enough in the background art, provide a detachable brush holder that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a detachable brush holder comprises a fixed seat, a connecting mechanism and an electric brush mounting mechanism, wherein the connecting mechanism is detachably connected to the fixed seat; the connecting mechanism comprises a rotating shaft, a connecting block and a stop lever, the rotating shaft is elastically and rotatably arranged on the connecting block, and the stop lever is fixed at one end of the rotating shaft; the fixing seat comprises a first insertion hole and a locking piece, and the locking piece is arranged around the end part of the first insertion hole; the locking piece comprises a groove and a guide table, and the guide table is arranged on one side of the groove; the stop lever can pass through the first jack and rotate to slide into the groove from the guide table to hook the groove.

Furthermore, the retaining member further comprises a stop block, the stop block is arranged on the other side, opposite to the guide table, of the groove, and the stop block can prevent the stop rod from rotating.

Furthermore, a limiting structure is arranged between the connecting block and the rotating shaft, and the limiting structure limits the rotating angle of the rotating shaft on the connecting block.

Further, limit structure includes first stopper and second stopper, first stopper sets up on the connecting block, the second stopper sets up in the pivot, first stopper can with the butt of second stopper.

Furthermore, the fixing seat further comprises a first slot, and the connecting block can be inserted and fixed in the first slot.

Further, the brush mounting mechanism comprises a second jack and an elastic piece, and the elastic piece is arranged in the second jack.

Further, the elastic part comprises a coil spring and an insertion sheet, the coil spring is fixed on the insertion sheet, a second insertion groove is formed in the inner wall of the second insertion hole, and the insertion sheet is inserted and fixed in the second insertion groove.

Further, still be provided with the card hole on the second jack inner wall, be provided with the ka tai on the inserted sheet, the card platform can be gone into in the card hole.

Furthermore, the connecting mechanism further comprises an insulating handle, and the insulating handle is fixed at one end, far away from the stop lever, of the rotating shaft.

Further, the connecting mechanism further comprises a spring, the rotating shaft is inserted in the connecting block, and the spring is connected between the connecting block and the insulating handle.

The utility model discloses the beneficial effect who realizes mainly has following several: the detachable brush holder is provided with a fixed seat provided with a first jack and a locking piece, the connecting mechanism comprises a rotating shaft and a stop lever, and when the brush is mounted on the fixed seat along with the brush mounting mechanism, the stop lever can penetrate through the first jack and can be quickly guided into the groove to hook the groove through the guiding of the guide table, so that the brush can be more conveniently and quickly replaced; come to install with the pin cooperation through the recess for the pin can be fixed on the fixing base the position of setting for (in the recess promptly), guarantees coupling mechanism and fixing base installation stable and reliable.

Drawings

Fig. 1 is a schematic perspective view of a detachable brush holder according to a first embodiment of the present invention;

fig. 2 is an exploded view of a detachable brush holder according to a first embodiment of the present invention;

fig. 3 is a schematic longitudinal sectional view of a detachable brush holder according to a first embodiment of the present invention;

fig. 4 is a schematic perspective view of a detachable brush holder according to a first embodiment of the present invention;

fig. 5 is a schematic perspective view of a detachable brush holder according to a first embodiment of the present invention;

fig. 6 is a schematic perspective view of a detachable brush holder connection block according to a first embodiment of the present invention;

fig. 7 is a schematic perspective view of a brush mounting mechanism of a detachable brush holder according to a second embodiment of the present invention;

fig. 8 is a schematic perspective view of a second socket of the detachable brush holder according to the second embodiment of the present invention;

fig. 9 is a schematic perspective view of an elastic member of a detachable brush holder according to a second embodiment of the present invention.

Description of reference numerals: 1-a fixed seat, 11-a first insertion hole, 12-a locking piece, 121-a groove, 122-a guide table and 123-a stop block; 2-connecting mechanism, 21-rotating shaft, 211-second limiting block, 22-connecting block, 221-first limiting block, 23-stop lever; 3-electric brush installation mechanism, 31-second jack, 311-second slot, 312-clamping hole, 32-elastic piece and 3221-clamping table.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1-6, a detachable brush holder is used for mounting a brush and can be detached and replaced when a motor or a generator works. The detachable brush holder comprises a fixed seat 1, a connecting mechanism 2 and an electric brush mounting mechanism 3, wherein the fixed seat 1 is a fixed mounting structure of the brush holder and is used for mounting the electric brush mounting mechanism 3, and the fixed seat is generally fixed on a base of a motor or a generator. Coupling mechanism 2 is a structure that plays the connection effect, can dismantle brush installation mechanism 3 and connect on fixing base 1, and coupling mechanism 2 can dismantle and connect on fixing base 1, and brush installation mechanism 3 is fixed on coupling mechanism 2 to brush installation mechanism 3 can dismantle along with coupling mechanism 2 and connect on fixing base 1. The brush mounting mechanism 3 is a structure for mounting a brush, and can ensure that the brush can slide during operation and elastically connect the brush.

Referring to fig. 1 to 6, the connecting mechanism 2 includes a rotating shaft 21, a connecting block 22 and a stop lever 23, the rotating shaft 21 is elastically and rotatably disposed on the connecting block 22, and the rotating shaft 21 is generally inserted into an insertion hole of the connecting block 22, can rotate in the insertion hole, and can elastically move in an axial direction of the insertion hole. The stop lever 23 is fixed at one end of the rotating shaft 21 and can be fixed in a common fixing mode such as welding; the stop lever 23 and the rotating shaft 21 can be connected to form a "T" or a "7" structure, and the connecting structure of the stop lever 23 and the rotating shaft 21 is shown in this embodiment. The fixing base 1 comprises a first insertion hole 11 and a locking member 12, wherein the first insertion hole 11 is generally configured as a long hole structure through which the blocking rod 23 can pass.

Referring to fig. 1 to 6, the locking member 12 is disposed around the end of the first insertion hole 11, and is used to cooperate with the blocking rod 23 to lock the blocking rod 23 in the locking member 12, so as to fix the brush mounting mechanism 3 fixed by the connecting mechanism 2. The locker 12 includes a groove 121 and a guide 122, and the shape of the groove 121 is matched with that of the blocking bar 23 so that the blocking bar 23 can be properly received in the groove 121; the stop lever 23 may be configured as a circular rod and the groove 121 may be configured as a circular arc groove. The number of the locking members 12 is set according to the structure that the blocking rod 23 is connected with the rotating shaft 21, in this embodiment, the blocking rod 23 is connected with the rotating shaft 21 in a "T" shape, so that two locking members 12 are provided, the two locking members 12 are arranged in the periphery of the first insertion hole 11 in a central symmetry manner, and the two locking members 12 are respectively used for locking one end of the blocking rod 23. The guide table 122 is disposed at one side of the groove 121, and guides the blocking lever 23 when the blocking lever 23 rotates with the rotating shaft 21, so as to guide the blocking lever 23 into the groove 121. The guide table 122 may have a ramp structure or a curved structure, and the guide table 122 has a curved structure in the embodiment shown.

In this embodiment, the fixing base 1 is provided with the first insertion hole 11 and the locking member 12, the connecting mechanism 2 includes the rotating shaft 21 and the blocking rod 23, when the brush is mounted on the fixing base 1 along with the brush mounting mechanism 3, the blocking rod 23 can pass through the first insertion hole 11, and the blocking rod 23 can be guided into the groove 121 to hook the groove 121 quickly through the guiding of the guiding table 122, so that the operation is more convenient and faster when the brush is replaced; come to cooperate the installation with pin 23 through recess 121 for pin 23 can fix the position (be in the recess) of setting for on fixing base 1, guarantees stable and reliable of coupling mechanism 2 and fixing base 1 installation.

Referring to fig. 4 and 5, as a further preferred scheme, the locking member 12 further includes a stopper 123, the stopper 123 is disposed outside the groove 121 and opposite to the other side of the guide platform 122, and the stopper 123 can prevent the blocking rod 23 from continuing to rotate after the blocking rod 23 slides into the groove 121, so as to prevent the blocking rod 23 from sliding out of the groove 121, thereby ensuring that the blocking rod 23 is just locked into the groove 121, and further ensuring the stable and reliable installation of the connecting mechanism 2 and the fixing base 1.

Referring to fig. 5 and 6, as a further preferred scheme, a limit structure is preferably arranged between the connecting block 22 and the rotating shaft 21, and the limit structure limits the rotating angle of the rotating shaft 21 on the connecting block 22, so that the rotating angle of the rotating shaft 21 is conveniently controlled during installation. The limiting structure can adopt the following structure: the limiting structure comprises a first limiting block 221 and a second limiting block 211, wherein the first limiting block 221 is arranged on the connecting block 22, the second limiting block 211 is arranged on the rotating shaft 21, and the first limiting block 221 can abut against the second limiting block 211 when the rotating shaft 21 rotates, so that the rotating shaft 21 is prevented from continuing to rotate.

Referring to fig. 4 and 6, in order to better install the connection mechanism 2 on the fixing base 1, the fixing base 1 further includes a first slot 13, the first slot 13 is matched with a connection block 22, the connection block 22 can be inserted and fixed in the first slot 13, so that the fixed connection mechanism 2 and the fixing base 1 can be fixed with a stop lever 23 through a locking member 12 at the end portion, and can also be inserted and fixed with the first slot 13 through the connection block 22 at the side surface, so that the connection mechanism 2 is more stably and reliably installed on the fixing base 1, and the reliability of the motor or the generator in operation is ensured.

Referring to fig. 1-3, the connecting mechanism 2 further comprises an insulating handle 24, and the insulating handle 24 is fixed at one end of the rotating shaft 21, which is far away from the stop lever 23, so that a worker can conveniently hold the brush holder when replacing the electric brush, and the safety of the worker is ensured; the insulated handle 24 may be made of a conventional insulating material such as bakelite. The connecting mechanism 2 further comprises a spring 25, the rotating shaft 21 is inserted in the connecting block 22, the spring 25 is connected between the connecting block 22 and the insulating handle 24, and the rotating shaft 21 sequentially penetrates through the jack 222 of the connecting block 22 and the spring 25 to be fixedly installed with the insulating handle 24, so that axial elastic expansion of the rotating shaft 21 in the jack 222 of the connecting block 22 is realized, the stop rod 23 can be elastically clamped in the groove 121, and the stop rod 23 can be ensured to be locked in the groove 121 all the time.

The working process of the detachable brush holder in this embodiment is as follows: during installation, the brush is installed in the brush installation mechanism 3, the insulating handle 24 is held, the connecting block 22 is inserted into the first slot 13 of the fixed seat 1, the insulating handle 24 is pressed, the gear rod 23 penetrates through the first insertion hole 11, then the insulating handle 24 is rotated, the gear rod 23 slides into the groove 121 from the guide table 122, the gear rod 23 is locked in the groove 121, and the brush is also installed on the fixed seat 1 along with the brush installation mechanism 3. When the handle is disassembled, the insulating handle 24 is rotated reversely to slide the blocking rod 23 out of the groove 121 along the guide table 122, so that the blocking rod 23 is separated from the groove 121; and the connecting mechanism 2 and the electric brush mounting mechanism 3 mounted on the connecting mechanism can be pulled out from the fixed seat 1 by pulling the insulating handle 24.

Example two

Referring to fig. 7 to 9, the overall structure of the detachable brush holder of the present embodiment is the same as that of the first embodiment, and further provides a specific structure of the brush mounting mechanism 3, which is as follows:

the brush mounting mechanism 3 includes a second insertion hole 31 and an elastic member 32, and the elastic member 32 is disposed in the second insertion hole 31. The elastic member 32 comprises a coil spring 321 and an insertion sheet 322, wherein the coil spring 321 is fixed on the insertion sheet 322, and the coil spring 321 and the insertion sheet 322 can be fixed in common manners such as welding, riveting and the like. A second slot 311 is arranged on the inner wall of the second jack 31, and the second slot 311 is consistent with the shape of the insertion piece 322, so that the insertion piece 322 is inserted and fixed in the second slot 311.

The insertion piece 322 and the second insertion slot 311 can be fixed by common methods such as screw connection, preferably by the following methods: the inner wall of the second insertion hole 31 is further provided with a clamping hole 312, the insertion piece 322 is provided with a clamping table 3221, after the insertion piece 322 is inserted into the second insertion slot 311, when the clamping hole 312 and the clamping table 3221 are located at the same position, the clamping table 3221 can be clamped into the clamping hole 312, so that the insertion piece 322 can be fixed in the second insertion slot 311, that is, the coil spring 321 is installed in the second insertion hole 31. The insertion piece 322 and the second slot 311 are fixed by matching the card hole 312 with the card stage 3221, and the insertion piece 322 and the second slot 311 can be fixed in the process of insertion connection, so that the insertion piece 322 and the second slot 311 are easily and fixedly connected.

When the brush installation mechanism 3 of the present embodiment is used, the brush is inserted into the second insertion hole 31 and is limited by the second insertion hole 31, so that the brush can only slide in the second insertion hole 31; meanwhile, the coil spring 321 is abutted to the rear end of the electric brush, the electric brush provides elastic force, the electric brush is ensured to be tightly contacted with the rotor, and good conductive performance is realized.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A detachable brush holder comprises a fixed seat (1), a connecting mechanism (2) and an electric brush mounting mechanism (3), wherein the connecting mechanism (2) is detachably connected to the fixed seat (1), and the electric brush mounting mechanism (3) is fixed on the connecting mechanism (2); the method is characterized in that: the connecting mechanism (2) comprises a rotating shaft (21), a connecting block (22) and a stop lever (23), the rotating shaft (21) is elastically and rotatably arranged on the connecting block (22), and the stop lever (23) is fixed at one end of the rotating shaft (21); the fixing seat (1) comprises a first insertion hole (11) and a locking piece (12), wherein the locking piece (12) is arranged around the end part of the first insertion hole (11); the locking piece (12) comprises a groove (121) and a guide table (122), wherein the guide table (122) is arranged on one side of the groove (121); the stop lever (23) can penetrate through the first insertion hole (11) and rotate to slide into the groove (121) from the guide table (122) to hook the groove (121).

2. A removable brush holder according to claim 1, wherein: the locking piece (12) further comprises a stop block (123), the stop block (123) is arranged on the other side, opposite to the guide table (122), of the groove (121), and the stop block (123) can prevent the stop rod (23) from rotating.

3. A removable brush holder according to claim 2, wherein: a limiting structure is arranged between the connecting block (22) and the rotating shaft (21), and the limiting structure limits the rotating angle of the rotating shaft (21) on the connecting block (22).

4. A removable brush holder according to claim 3, wherein: the limiting structure comprises a first limiting block (221) and a second limiting block (211), the first limiting block (221) is arranged on the connecting block (22), the second limiting block (211) is arranged on the rotating shaft (21), and the first limiting block (221) can be abutted to the second limiting block (211).

5. A detachable brush holder according to any one of claims 1 to 4, wherein: the fixing seat (1) further comprises a first slot (13), and the connecting block (22) can be inserted and fixed in the first slot (13).

6. A removable brush holder according to claim 5, wherein: the brush mounting mechanism (3) comprises a second insertion hole (31) and an elastic piece (32), and the elastic piece (32) is arranged in the second insertion hole (31).

7. A removable brush holder according to claim 6, wherein: elastic component (32) are including coil spring (321) and inserted sheet (322), coil spring (321) are fixed on inserted sheet (322), be provided with second slot (311) on second jack (31) inner wall, inserted sheet (322) are pegged graft and are fixed in second slot (311).

8. A removable brush holder according to claim 7, wherein: still be provided with card hole (312) on the second jack (31) inner wall, be provided with card platform (3221) on inserted sheet (322), card platform (3221) can block in card hole (312).

9. A removable brush holder according to claim 1, wherein: the connecting mechanism (2) further comprises an insulating handle (24), and the insulating handle (24) is fixed at one end, far away from the stop lever (23), of the rotating shaft (21).

10. A removable brush holder according to claim 9, wherein: the connecting mechanism (2) further comprises a spring (25), the rotating shaft (21) is inserted into the connecting block (22), and the spring (25) is connected between the connecting block (22) and the insulating handle (24).