CN204179843U - A kind of electric machine structure - Google Patents

A kind of electric machine structure Download PDF

Info

Publication number
CN204179843U
CN204179843U CN201420460204.9U CN201420460204U CN204179843U CN 204179843 U CN204179843 U CN 204179843U CN 201420460204 U CN201420460204 U CN 201420460204U CN 204179843 U CN204179843 U CN 204179843U
Authority
CN
China
Prior art keywords
brush
spring
carbon brush
fixed column
spring fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420460204.9U
Other languages
Chinese (zh)
Inventor
陈金锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Dechang Electrical Machinery Manufacturing Co Ltd
Original Assignee
Ningbo Dechang Electrical Machinery Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Dechang Electrical Machinery Manufacturing Co Ltd filed Critical Ningbo Dechang Electrical Machinery Manufacturing Co Ltd
Priority to CN201420460204.9U priority Critical patent/CN204179843U/en
Application granted granted Critical
Publication of CN204179843U publication Critical patent/CN204179843U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Current Collectors (AREA)

Abstract

The utility model discloses a kind of electric machine structure, aim to provide one and effectively can carry out self-regulation to carbon brush and fix, ensure that carbon brush fully contacts with sliding contact parts, there is the electric machine structure of replacing prompting function.It comprises motor stator, fan housing, skeleton, end cap, commutator, brush position block, brush holding tank, carbon brush; block side, brush position is provided with brush pigtail passage; end cap is provided with spring fixed column; spring fixed column is provided with self-regulation spring; self-regulation spring comprises and connects spring body, cantilever arm, suppresses curved boom, internal fixtion arm; internal fixtion arm inserts in skeleton; cantilever arm is through brush pigtail passage; connecting spring body is set on spring fixed column; a pallet is provided with guard column, has safe spacing between guard column and cantilever arm.The beneficial effects of the utility model are: can be compressed by carbon brush in the moment, not easily produce the problems such as loose contact; Machine operation good stability; Can judge easily before use, the need of replacing carbon brush, to improve fail safe and operating efficiency.

Description

A kind of electric machine structure
Technical field
The utility model belongs to technical field of motors, particularly relates to a kind of electric machine structure.
Background technology
In present production, life, the application of motor is very extensive, and motor can be divided into brush motor, brushless electric machine, and what " brush " here referred to is exactly carbon brush, also known as brush.It is a kind of slide contact member, while being slidably connected with other structures, also plays the function of conduction.The material of carbon brush mainly contains graphite, leaching fat graphite, metal cupric, silver-colored graphite etc.During the use of carbon brush, can be worn always, now just likely come in contact the problems such as bad, disable electrical conduction.And in the current monitoring and protection in the loose contact preventing from producing because of wearing and tearing, carbon brush abrasion amount etc., all have very large shortcoming.
Utility model content
The utility model is to overcome the deficiencies in the prior art, provide a kind of compact conformation, effectively can carry out self-regulation to carbon brush and fix, even if carbon brush is worn and still fully can contacts with sliding contact parts, maintains conductive effect, and there is the electric machine structure changing prompting function.
To achieve these goals, the utility model is by the following technical solutions:
A kind of electric machine structure, comprise motor stator, fan housing, skeleton, end cap, commutator, described skeleton to be in below motor stator and to be fixed by screw rod and motor stator, described skeleton is provided with brush position block, described brush position block is provided with horizontal brush holding tank, in described brush holding tank, end opening is towards commutator, carbon brush is provided with in described brush holding tank, described block side, brush position is provided with the brush pigtail passage be communicated with brush holding tank, described end cap is provided with spring fixed column, described spring fixed column is provided with a self-regulation spring, described self-regulation spring comprises and connects spring body, cantilever arm, suppress curved boom, internal fixtion arm, described internal fixtion arm inserts in skeleton, described cantilever arm is connected by bending pressurized section with suppressing between curved boom, described cantilever arm is through brush pigtail passage, described bending pressurized pars infrasegmentalis frame leans against on the lower surface of brush pigtail passage on the block of brush position, connect spring body to be set on spring fixed column and to clamp mutually with spring fixed column, the described curved boom that suppresses is attached to carbon brush outer end face completely and is fixed by carbon brush, carbon brush internal end surface is the sliding conduction contact-making surface contacted with commutator, described brush pigtail is by brush pigtail passage, described end cap is provided with two pallets, a pallet is in spring fixed column side and jointly compresses with spring fixed column and is connected spring body, another pallet is provided with guard column, described guard column is between brush holding tank and spring fixed column, between described guard column and cantilever arm, there is safe spacing.
As preferably, described end cap, two pallets, spring fixed columns are integrated formed structure.
As preferably, the pallet be connected with guard column is provided with some adjustment hole clippings, and described guard column and one regulate hole clipping clamping.The carbon brush of different model; thickness is different; under different use standards; the degree of wear that carbon brush allows is also different; now can fix different permission wear extenies with requiring according to demand; thus find out the safe spacing be within corresponding standard, and guard column is inserted in suitable and satisfactory adjustment hole clipping, thus increase the scope of application of the utility model guard column.
As preferably, described to suppress curved boom latter end vertical, and the peak of described cantilever arm is lower than place, the top height of guard column, and described carbon brush and brush holding tank are slidably connected.Allow guard column be bound to interfere with the press-in path of cantilever arm, thus ensure the working effect of guard column.Carbon brush and brush holding tank are slidably connected, and can avoid tension because of carbon brush and brush holding tank card and the problem such as loose contact after the wearing and tearing caused.
The beneficial effects of the utility model are: have self-regulation spring, can be compressed by carbon brush in the moment, can not produce the problems such as loose contact because of carbon brush abrasion; Self-regulation spring by be connected spring body clamping, realize firm location with the mutual compression of pallet, and self-regulation spring itself has good antidetonation, vibration dampening ability, the good stability in machine operation process; Carbon brush end surface is suppressed curved boom and is compressed completely, due to suppress curved boom contact length large, compress effective, therefore also without the need to offering stopper slot or draw-in groove energy structure on carbon brush, carbon brush integrality is good, not cracky; Guard column can carry out spacing to cantilever arm, still by virtual pressure after preventing carbon brush abrasion excessive, avoids user continue to use carbon brush when wearing and tearing and exceeding standard and do not change.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is partial enlarged drawing of the present utility model;
Fig. 3 is the vertical view of the utility model self-regulation spring;
Fig. 4 is the enlarged drawing at pallet place in the utility model embodiment 2.
In figure: motor stator 1, fan housing 2, skeleton 3, screw rod 31, brush position block 32, carbon brush 33, brush pigtail passage 34, end cap 4, spring fixed column 41, pallet 42, guard column 421, regulate hole clipping 422, commutator 5, self-regulation spring 6, connect spring body 61, cantilever arm 62, suppress curved boom 63, internal fixtion arm 64, bending pressurized section 65.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment 1: as Fig. 1, Fig. 2, in embodiment shown in Fig. 3, a kind of electric machine structure, comprise motor stator 1, fan housing 2, skeleton 3, end cap 4, commutator 5, described skeleton 3 to be in below motor stator 1 and to be fixed by screw rod 31 and motor stator 1, described skeleton 3 is provided with brush position block 32, described brush position block 32 is provided with horizontal brush holding tank, in described brush holding tank, end opening is towards commutator 5, carbon brush 33 is provided with in described brush holding tank, described block 32 side, brush position is provided with the brush pigtail passage 34 be communicated with brush holding tank, described end cap 4 is provided with spring fixed column 41, described spring fixed column 41 is provided with a self-regulation spring 6, described self-regulation spring 6 comprises and connects spring body 61, cantilever arm 62, suppress curved boom 63, internal fixtion arm 64, described internal fixtion arm 64 inserts in skeleton 3, described cantilever arm 62 is connected by bending pressurized section 65 with suppressing between curved boom 63, described cantilever arm 62 is through brush pigtail passage 34, described bending pressurized section 65 lower cage leans against on the lower surface of brush pigtail passage 34 on brush position block 32, connect spring body 61 to be set on spring fixed column 41 and to clamp mutually with spring fixed column 41, the described curved boom 63 that suppresses is attached to carbon brush 33 outer end face completely and is fixed by carbon brush 33, carbon brush 33 internal end surface is the sliding conduction contact-making surface contacted with commutator 5, described brush pigtail is by brush pigtail passage 34, described end cap 4 is provided with two pallets 42, a pallet 42 is in spring fixed column 41 side and jointly compresses with spring fixed column 41 and is connected spring body 61, another pallet 42 is provided with guard column 421, described guard column 421 is between brush holding tank and spring fixed column 41, between described guard column 421 and cantilever arm 62, there is safe spacing.Described end cap 4, two pallets 42, spring fixed columns 41 are integrated formed structure.Described to suppress curved boom 63 latter end vertical, and the peak of described cantilever arm 62 is lower than place, the top height of guard column 421, and described carbon brush 33 is slidably connected with brush holding tank.
When not loading carbon brush 33, self-regulation spring 6 not entering operating state in other words, its bending pressurized section 65 is very unconspicuous, and its in working order under, suppress curved boom 63 and compress carbon brush 33 outer end face, there is distortion to a certain degree in cantilever arm 62 also pressurized, thus the bending pressurized section 65 that appearance obviously can be observed.Bending pressurized section 65 directly frame leans against on the lower surface of brush pigtail passage 34 on brush position block 32, and displacement possibility is low, can ensure to compress location that is stable, carbon brush 33 firm.After carbon brush 33 is worn, cantilever arm 62, due to restoring force, still drives compression curved boom compression carbon brush 33 always, thus ensures that the contact work functions of carbon brush 33 can not be affected.But, in actual use, even if carbon brush 33 weares and teares excessive, self-regulation spring 6 still can compress carbon brush 33 under normal conditions, is at this time a kind of " virtual pressure " state in fact, although namely press carbon brush 33, but thrust is not too sufficient, the carbon brush 33 caused because of the vibrations possibility that is shifted promotes greatly, and the working effect of carbon brush 33 has become very poor, has motor to stop the possibility even damaging at any time.The existence of guard column 421 then well solves this problem; after carbon brush 33 is worn gradually; cantilever arm 62 starts gradually near guard column 421; when carbon brush 33 may wear to a certain amount of after; cantilever arm 62 contacts with guard column 421; can not continue to compress carbon brush 33, illustrate that carbon brush 33 weares and teares excessive, need to change.Therefore user only needs to have a look at cantilever arm 62 whether contact protection post 421 before use motor, just can judge the need of changing carbon brush 33.Thus the normal work of motor and the timely replacing of carbon brush 33 can be ensured, and prevent from wearing and tearing appearance that the is excessive and situation such as conduction instability, short circuit caused because of carbon brush 33.
Embodiment 2: the basic structure of the present embodiment and execution mode are with embodiment 1, and its difference is, as shown in Figure 4, the pallet 42 be connected with guard column 421 is provided with some adjustment hole clippings 422, and described guard column 421 and one regulate hole clipping 422 clamping.The carbon brush 33 of different model; thickness is different; under different use standards; the degree of wear that carbon brush 33 allows is also different; now can fix different permission wear extenies with requiring according to demand; thus find out the safe spacing be within corresponding standard, and guard column 421 is inserted in suitable and satisfactory adjustment hole clipping 422, thus increase the scope of application of the utility model guard column 421.

Claims (4)

1. an electric machine structure, comprise motor stator (1), fan housing (2), skeleton (3), end cap (4), commutator (5), it is characterized in that, described skeleton (3) is in motor stator (1) below and is fixed by screw rod (31) and motor stator (1), described skeleton (3) is provided with brush position block (32), described brush position block (32) is provided with horizontal brush holding tank, in described brush holding tank, end opening is towards commutator (5), carbon brush (33) is provided with in described brush holding tank, described block (32) side, brush position is provided with the brush pigtail passage (34) be communicated with brush holding tank, described end cap (4) is provided with spring fixed column (41), described spring fixed column (41) is provided with a self-regulation spring (6), described self-regulation spring (6) comprises and connects spring body (61), cantilever arm (62), suppress curved boom (63), internal fixtion arm (64), described internal fixtion arm (64) inserts in skeleton (3), described cantilever arm (62) is connected by bending pressurized section (65) with suppressing between curved boom (63), described cantilever arm (62) is through brush pigtail passage (34), described bending pressurized section (65) lower cage leans against on the lower surface of the upper brush pigtail passage (34) in brush position block (32), connection spring body (61) is set in spring fixed column (41) and goes up and clamp mutually with spring fixed column (41), the described curved boom (63) that suppresses is attached to carbon brush (33) outer end face completely and is fixed by carbon brush (33), carbon brush (33) internal end surface is the sliding conduction contact-making surface contacted with commutator (5), described brush pigtail is by brush pigtail passage (34), described end cap (4) is provided with two pallets (42), a pallet (42) is in spring fixed column (41) side and jointly compresses with spring fixed column (41) and is connected spring body (61), another pallet (42) is provided with guard column (421), described guard column (421) is between brush holding tank and spring fixed column (41), between described guard column (421) and cantilever arm (62), there is safe spacing.
2. a kind of electric machine structure according to claim 1, is characterized in that, described end cap (4), two pallets (42), spring fixed columns (41) are integrated formed structure.
3. a kind of electric machine structure according to claim 1 and 2; it is characterized in that; the pallet (42) be connected with guard column (421) is provided with some adjustment hole clippings (422), and described guard column (421) regulates hole clipping (422) clamping with one.
4. a kind of electric machine structure according to claim 1 and 2; it is characterized in that; it is described that to suppress curved boom (63) latter end vertical; the peak of described cantilever arm (62) is lower than place, the top height of guard column (421), and described carbon brush (33) and brush holding tank are slidably connected.
CN201420460204.9U 2014-08-14 2014-08-14 A kind of electric machine structure Expired - Fee Related CN204179843U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420460204.9U CN204179843U (en) 2014-08-14 2014-08-14 A kind of electric machine structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420460204.9U CN204179843U (en) 2014-08-14 2014-08-14 A kind of electric machine structure

Publications (1)

Publication Number Publication Date
CN204179843U true CN204179843U (en) 2015-02-25

Family

ID=52568617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420460204.9U Expired - Fee Related CN204179843U (en) 2014-08-14 2014-08-14 A kind of electric machine structure

Country Status (1)

Country Link
CN (1) CN204179843U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106533030A (en) * 2016-12-21 2017-03-22 贵阳万江航空机电有限公司 Electric brush assembling method for brush motor, and matching structure of electric brush and spring
CN108141114A (en) * 2015-10-13 2018-06-08 株式会社美姿把 Brushgear and petrolift
CN109378666A (en) * 2018-10-16 2019-02-22 阿美德格工业技术(上海)有限公司 Brush assembly of electric and motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108141114A (en) * 2015-10-13 2018-06-08 株式会社美姿把 Brushgear and petrolift
CN106533030A (en) * 2016-12-21 2017-03-22 贵阳万江航空机电有限公司 Electric brush assembling method for brush motor, and matching structure of electric brush and spring
CN109378666A (en) * 2018-10-16 2019-02-22 阿美德格工业技术(上海)有限公司 Brush assembly of electric and motor

Similar Documents

Publication Publication Date Title
CN204179843U (en) A kind of electric machine structure
CN206211175U (en) A kind of electric power rapid wiring device
CN101651380B (en) Plastic bracket structure of motor with replaceable carbon brush
CN201509140U (en) Improved mini-motor
CN201466842U (en) Motor casing positioning structure
CN201515281U (en) Motor plastic support structure with replaceable carbon brush
CN208309226U (en) A kind of clothes airing machine emergency stop control device
CN207465113U (en) A kind of electronic toy assembles gas hydraulic cutting presser
CN202918100U (en) Apparatus for bearing limiting and brush holder fixing
CN203013538U (en) End cover and electrode assembling device for capacitor
CN201570721U (en) Small rectangular-plate type filtering socket
CN207302911U (en) A kind of actuating switch press-fitting seat
CN202268493U (en) H-shaped steel horizontal assembling, welding and grounding mechanism
CN2896613Y (en) Electric brush
CN204284105U (en) A kind of fixed border Novel angle key
CN208589844U (en) A kind of slip ring motor brush holder fixed structure
CN201766194U (en) Structure of connector terminal
CN208423422U (en) A kind of terminal cutting machine
CN203625600U (en) Pressing triangle in flat knitting machine
CN210536404U (en) Insulation protection structure of motor lead
CN203343916U (en) Bearing support
CN218770103U (en) Electromechanical leakage protection mechanism that uses
CN201994508U (en) Waterproof socket for bean juice machine and waterproof bean juice machine
CN209642355U (en) A kind of device extracted for auxiliary charging device
CN207250900U (en) A kind of New-type electric machine carbon brush

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150225

Termination date: 20170814