CN209545400U - A kind of Step Shaft oil pump brushed DC motor - Google Patents
A kind of Step Shaft oil pump brushed DC motor Download PDFInfo
- Publication number
- CN209545400U CN209545400U CN201920221312.3U CN201920221312U CN209545400U CN 209545400 U CN209545400 U CN 209545400U CN 201920221312 U CN201920221312 U CN 201920221312U CN 209545400 U CN209545400 U CN 209545400U
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- CN
- China
- Prior art keywords
- step shaft
- rear cover
- ring block
- brushed
- oil pump
- 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
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Abstract
The utility model discloses a kind of Step Shaft oil pump brushed DC motors, including shell, stator, brush, rear cover, Step Shaft and the rotor being arranged on Step Shaft, ring block is socketed on the right end axial wall of Step Shaft, nylon jacket is fixedly connected on the inside of ring block, the inside of nylon jacket and the axial wall of Step Shaft are fastenedly connected, the annular groove matched with ring block is offered on the left of rear cover, the side of ring block extends in annular groove and is fixedly connected with multiple equally distributed baffles, the side of annular groove offers the cylinder groove matched with Step Shaft right end, after cover and offer toroidal cavity, oil return hole there are two symmetrically being opened up between toroidal cavity and cylinder groove.The utility model, can store enough lubricating oil reduces the heat for the generation that rubs between Step Shaft and rear cover, reduces the abrasion of Step Shaft and rear cover to circulation lubrication is carried out on Step Shaft axial wall, while also facilitating addition lubricating oil.
Description
Technical field
The utility model relates to DC motor technology field more particularly to a kind of Step Shaft oil pump brushed DC motors.
Background technique
Direct current generator, which refers to, can be converted into mechanical energy (dc motor) by direct current energy or convert mechanical energy into direct current
The rotating electric machine of electric energy (dc generator).It is to be able to achieve direct current energy and motor that mechanical energy is converted mutually.When it makees electricity
Motivation is dc motor when running, and converts electrical energy into mechanical energy, makees when generator operation to be dc generator, by mechanical energy
Electric energy is converted to, the structure of direct current generator should be made of stator and rotor two large divisions.The main function of stator is to generate magnetic field,
It is made of base, main pole, commutating pole, end cap, bearing and brushgear etc..The part rotated when operation is known as rotor, master
Acting on is to generate electromagnetic torque and induced electromotive force, is the hinge that direct current generator carries out energy conversion.
In the prior art, the Step Shaft on DC motor rotor will not only carry out energy conversion, also install commutation
Pole can generate higher heat in motor high-speed rotation between brush and commutating pole, and rubbing between Step Shaft and rear cover
Heat can also be generated by wiping power, and after cover and can not retain enough lubricating oil and be lubricated, Step Shaft and rear cover can be made
Serious wear.
Utility model content
Purpose of the utility model is to solve greasy property is poor between Step Shaft and rear cover in the prior art, heat dissipates
A kind of Step Shaft oil pump brushed DC motor sending out problem slow-footed, and proposing.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of Step Shaft oil pump brushed DC motor, including shell, stator, brush, rear cover, Step Shaft and setting are in step
Rotor on axis is socketed with ring block on the right end axial wall of the Step Shaft, is fixedly connected with nylon on the inside of the ring block
Set, the inside of the nylon jacket and the axial wall of Step Shaft are fastenedly connected, offer on the left of the rear cover and match with ring block
Annular groove, the side of the ring block extends in annular groove and is fixedly connected with multiple equally distributed baffles, institute
The side for stating annular groove offers the cylinder groove matched with Step Shaft right end, covers after described and offers toroidal cavity, institute
Oil return hole there are two symmetrically opening up between toroidal cavity and cylinder groove is stated, runs through between the toroidal cavity and annular groove and opens up
There are two symmetrical oil outlet, symmetrically open up that there are two oil-recovery tanks on the axial wall of the Step Shaft.
Preferably, the side wall of the ring block is fixedly connected with annular slab, and the side of the annular slab is fixedly connected with rubber
The left contact of film, the sheet rubber and rear cover connects.
Preferably, sliding sleeve is connected to annular stop plate, the annular stop plate and ring block on the axial wall of the Step Shaft
Left contact connection.
Preferably, run through between the right side and toroidal cavity of the rear cover and offer threaded hole, and threaded hole internal screw thread connects
It is connected to refueling bolt.
Preferably, multiple baffles are distributed in a ring.
Preferably, the side of the rear cover is fastenedly connected by multiple equally distributed bolts with shell.
Compared with prior art, the utility model provides a kind of Step Shaft oil pump brushed DC motor, and having following has
Beneficial effect:
1, the Step Shaft oil pump brushed DC motor, by the ring block being arranged on Step Shaft, Step Shaft rotation is driven
Ring block rotation, ring block rotation drive flapper, and flapper drives the lubricating oil in annular groove to enter oil-recovery tank, return
Lubricating oil in oil groove enters in toroidal cavity by oil return hole, so as to make the lubrication oil circulation being stored in toroidal cavity
The junction of Step Shaft and rear cover is lubricated, the heat for the generation that rubs between Step Shaft and rear cover is reduced, reduces Step Shaft
With the abrasion of rear cover.
2, the Step Shaft oil pump brushed DC motor is dismantled oiling with spanner by the refueling bolt covered after being arranged in
Bolt, convenient to lubricating oil is added in toroidal cavity, the annular slab on ring block can support sheet rubber to contact with rear cover, prevent
Lubricating oil is leaked out out of annular groove, and the nylon jacket being arranged on Step Shaft can be such that ring block and Step Shaft is interference fitted, and is made
Ring block is rotated with Step Shaft, and prevents lubricating oil from leaking out from the gap of ring block and Step Shaft.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, this is practical new
Type can store enough lubricating oil to circulation lubrication is carried out on Step Shaft axial wall, reduce to rub producing between Step Shaft and rear cover
Raw heat, reduces the abrasion of Step Shaft and rear cover, while also facilitating addition lubricating oil.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Step Shaft oil pump brushed DC motor structural schematic diagram；
Fig. 2 be the utility model proposes a kind of Step Shaft oil pump brushed DC motor in ring block right view；
Fig. 3 is the schematic enlarged-scale view in Fig. 1 at A.
In figure: 1 rotor, 2 Step Shafts, 3 rear covers, 4 refueling bolts, 5 toroidal cavities, 6 baffles, 7 ring blocks, 8 annular stops
Plate, 9 nylon jackets, 10 cylinder grooves, 11 annular slabs, 12 sheet rubbers, 13 annular grooves, 14 oil outlets, 15 oil return holes, 16 oil-recovery tanks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of Step Shaft oil pump brushed DC motor, including shell, stator, brush, rear cover 3, Step Shaft 2
With the rotor 1 being arranged on Step Shaft 2, in the prior art, motor by base, main pole, commutating pole, end cap, bearing, rotor,
The composition such as output shaft and brushgear, wherein output shaft is the hinge that direct current generator carries out energy conversion, this technology is in life
Be widely used, those skilled in the art should know, Gu no longer do it is excessive repeat, covered on the right end axial wall of Step Shaft 2
It is connected to ring block 7, the inside of ring block 7 is fixedly connected with nylon jacket 9, and the inside of nylon jacket 9 and the axial wall of Step Shaft 2 fasten and connect
It connects, the left side of rear cover 3 offers the annular groove 13 matched with ring block 7, and the side of ring block 7 extends to annular groove 13
Interior and be fixedly connected with multiple equally distributed baffles 6, multiple baffles 6 are distributed in a ring, increase the motive force to lubricating oil, ring
The side of connected in star 13 offers the cylinder groove 10 matched with 2 right end of Step Shaft, and toroidal cavity 5 is offered on rear cover 3, annular
Cavity 5 is used to store enough lubricating oil, is symmetrically opened up between toroidal cavity 5 and cylinder groove 10 there are two oil return hole 15, annular
Run through symmetrical oil outlet 14 there are two opening up between cavity 5 and annular groove 13, is symmetrically opened up on the axial wall of Step Shaft 2
There are two oil-recovery tanks 16, form drainback passage between oil-recovery tank 16 and cylinder groove 10, when Step Shaft 2 rotates in oil-recovery tank 16
Lubricating oil can be uniformly applied in cylinder groove 10, can be adequately lubricated to Step Shaft 2 and the junction of rear cover 3.
The side wall of ring block 7 is fixedly connected with annular slab 11, and the side of annular slab 11 is fixedly connected with sheet rubber 12, rubber
Piece 12 is connect with the left contact of rear cover 3, and annular slab 11 can support sheet rubber 12 to contact with rear cover 3, prevents lubricating oil from ring
It is leaked out in connected in star 13, sliding sleeve is connected to annular stop plate 8, a left side for annular stop plate 8 and ring block 7 on the axial wall of Step Shaft 2
Side contacts connection, limits ring block 7, increases the stability of ring block 7, passes through between the right side and toroidal cavity 5 of rear cover 3
It wears and offers threaded hole, and threaded hole internal screw thread is connected with refueling bolt 4, addition lubricating oil is facilitated to carry out daily dimension to motor
Shield, the side of rear cover 3 are fastenedly connected by multiple equally distributed bolts with shell, and worker is facilitated to carry out disassembly dimension to motor
It repairs.
In the utility model, in use, the rotation of Step Shaft 2 drives ring block 7 to rotate, the rotation of ring block 7 drives 6 turns of baffle
Dynamic, the rotation of baffle 6 drives the lubricating oil in annular groove 13 to enter oil-recovery tank 16, and the lubricating oil in oil-recovery tank 16 passes through oil return hole
15 enter in toroidal cavity 5, and the lubrication oil circulation being stored in toroidal cavity 5 can be made to the junction of Step Shaft 2 and rear cover 3
It is lubricated, is dismantled refueling bolt 4 with spanner, convenient to adding lubricating oil in toroidal cavity 5, the annular slab 11 on ring block 7
Sheet rubber 12 can be supported to contact with rear cover 3, prevent lubricating oil from leaking out out of annular groove 13,9 energy of nylon jacket on Step Shaft 2
Enough be interference fitted ring block 7 and Step Shaft 2, rotate ring block 7 with Step Shaft 2, and prevent lubricating oil from ring block 7 with
It is leaked out in the gap of Step Shaft 2.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of Step Shaft oil pump brushed DC motor, including shell, stator, brush, rear cover (3), Step Shaft (2) and setting exist
Rotor (1) on Step Shaft (2), which is characterized in that it is socketed with ring block (7) on the right end axial wall of the Step Shaft (2), it is described
It is fixedly connected on the inside of ring block (7) nylon jacket (9), the inside of the nylon jacket (9) and the axial wall of Step Shaft (2) fasten and connect
It connects, the annular groove (13) matched with ring block (7), the side of the ring block (7) is offered on the left of the rear cover (3)
It extends in annular groove (13) and is fixedly connected with multiple equally distributed baffles (6), the side of the annular groove (13)
The cylinder groove (10) matched with Step Shaft (2) right end is offered, offers toroidal cavity (5), the ring on the rear cover (3)
Oil return hole (15), the toroidal cavity (5) and annular groove there are two symmetrically being opened up between shape cavity (5) and cylinder groove (10)
(13) run through symmetrical oil outlet (14) there are two opening up between, symmetrically offer two on the axial wall of the Step Shaft (2)
A oil-recovery tank (16).
2. a kind of Step Shaft oil pump brushed DC motor according to claim 1, which is characterized in that the ring block (7)
Side wall be fixedly connected with annular slab (11), the side of the annular slab (11) is fixedly connected with sheet rubber (12), the rubber
Piece (12) is connect with the left contact of rear cover (3).
3. a kind of Step Shaft oil pump brushed DC motor according to claim 1, which is characterized in that the Step Shaft (2)
Axial wall on sliding sleeve be connected to annular stop plate (8), the annular stop plate (8) connect with the left contact of ring block (7).
4. a kind of Step Shaft oil pump brushed DC motor according to claim 1, which is characterized in that the rear cover (3)
Run through between right side and toroidal cavity (5) and offer threaded hole, and threaded hole internal screw thread is connected with refueling bolt (4).
5. a kind of Step Shaft oil pump brushed DC motor according to claim 1, which is characterized in that multiple baffles
(6) it is distributed in a ring.
6. a kind of Step Shaft oil pump brushed DC motor according to claim 1, which is characterized in that the rear cover (3)
Side is fastenedly connected by multiple equally distributed bolts with shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221312.3U CN209545400U (en) | 2019-02-21 | 2019-02-21 | A kind of Step Shaft oil pump brushed DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221312.3U CN209545400U (en) | 2019-02-21 | 2019-02-21 | A kind of Step Shaft oil pump brushed DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209545400U true CN209545400U (en) | 2019-10-25 |
Family
ID=68273764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920221312.3U Expired - Fee Related CN209545400U (en) | 2019-02-21 | 2019-02-21 | A kind of Step Shaft oil pump brushed DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209545400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921335A (en) * | 2021-10-09 | 2022-01-11 | 安徽中骄智能科技有限公司 | Sealing structure and sealing method for plastic sealing new energy high-voltage direct-current relay |
-
2019
- 2019-02-21 CN CN201920221312.3U patent/CN209545400U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921335A (en) * | 2021-10-09 | 2022-01-11 | 安徽中骄智能科技有限公司 | Sealing structure and sealing method for plastic sealing new energy high-voltage direct-current relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |