CN207459912U - A kind of speed reducer - Google Patents
A kind of speed reducer Download PDFInfo
- Publication number
- CN207459912U CN207459912U CN201721549608.5U CN201721549608U CN207459912U CN 207459912 U CN207459912 U CN 207459912U CN 201721549608 U CN201721549608 U CN 201721549608U CN 207459912 U CN207459912 U CN 207459912U
- Authority
- CN
- China
- Prior art keywords
- gear
- bearing
- connects
- housing
- speed reducer
- 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 speed reducers,Including housing,The housing central section is equipped with output shaft,The output shaft one side connects drive end bearing bracket,The drive end bearing bracket one side is equipped with hole baffle ring,The hole connects bearing with baffle ring one side,Connection bearing block below the bearing,The bearing block one side is equipped with gear one,One medial surface of gear is equipped with pin hole,The one one side connection gear two of gear,Two one side of gear connects transition axis,The transition axis afterbody connects electric machine main shaft,The transition axis one side connects rear end cap,The rear end cap one side connects motor bearings door,Gear three is equipped in the middle part of the electric machine main shaft,The three lower section connection motor stator of gear,The three top connection rotor of gear,The rotor one side is equipped with fan blade,The speed reducer,By rear end cap,Housing,Drive end bearing bracket,Pass through gear,Bearing etc. is connected.By the Unique physical design of housing, realize that gear assembly is directly realized by engaged transmission without by other parts in housing.The novel design, completing transmission needs part to be applied few.
Description
Technical field
The utility model is related to a kind of machine, more particularly to a kind of speed reducer belongs to mechanical manufacturing field.
Background technology
Conventionally, there is known the speed reducer of planetary gear mechanism or inscribed planetary speed reducer are used.These deceleration equipments
Have：Plectane body with exporting axis connection；And multiple pins of plectane body are fixed in arrangement and respective end in the circumferential.Input
The rotation of axis is decelerated and is transferred to each pin, and is exported via plectane body from output shaft.In the feelings of inscribed planetary speed reducer
Under condition, above-mentioned multiple pins are respectively inserted into the multiple holes for being arranged at external gear.Also, using subtracting for planetary gear mechanism
In the case of fast machine, multiple Supporting Planetary Gears are respectively that can rotate by above-mentioned each pin.Also, fixed disc body and each pin
Method is for example using press-in.That is, the diameter hole smaller than the outer diameter of pin is set in plectane body, presses the pin into this with interference volume
Hole.When assembling speed reducer, by multiple pins be pressed into plectane body, and by external gear or planetary gear be assembled in from plectane body with
Each pin for being pressed into the opposite face in side and protruding of pin.The end of each pin is fixed on and above-mentioned plectane however, being bolted etc.
The disk-shaped component of body split.But if uneven around the hole that the state of plectane body is pressed into supply and marketing, plectane body
Hole unevenly tilts due to the press-in of pin.Pin after being pressed into as a result, is sometimes compared with axially inclined.Traditional speed reducer structure
Complexity, gear assembly is directly realized by engaged transmission in housing to be needed by other parts so that being driven more complicated, Er Qieke
The problem of body manufacture is cumbersome, spy proposes a kind of speed reducer.
Utility model content
The technical problems to be solved in the utility model is to overcome that existing speed reducer structure is complicated, part is various, housing system
The defects of making difficulty provides a kind of speed reducer.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
The utility model provides a kind of speed reducer, and including housing, the housing central section is equipped with output shaft, the output shaft
One side connects drive end bearing bracket, and the drive end bearing bracket one side is equipped with hole baffle ring, and the hole connects bearing with baffle ring one side, under the bearing
Side's connection bearing block, the bearing block one side are equipped with gear one, and one medial surface of gear is equipped with pin hole, one one side of gear
Connection gear two, two one side of gear connect transition axis, and the transition axis afterbody connects electric machine main shaft, the transition axis one side
Rear end cap is connected, the rear end cap one side connects motor bearings door, gear three, the gear are equipped in the middle part of the electric machine main shaft
Three lower section connection motor stators, the three top connection rotor of gear, the rotor one side is equipped with fan blade.
As a kind of optimal technical scheme of the utility model, the housing is cast iron materials.
As a kind of optimal technical scheme of the utility model, have between the drive end bearing bracket and hole baffle ring nitrile rubber into
Row sealing.
As a kind of optimal technical scheme of the utility model, the bearing is deep groove ball bearing.
As a kind of optimal technical scheme of the utility model, the bearing block is an entirety with housing.
As a kind of optimal technical scheme of the utility model, the transition axis is connected with electric machine main shaft by shaft coupling.
The advantageous effect that the utility model is reached is：The speed reducer, by rear end cap, housing, drive end bearing bracket, by gear,
Bearing etc. is connected, it is only necessary to which transmission can be completed in a transition axis, and the shell structure design comparison of the speed reducer is only
Spy is simple to manufacture, and the intermeshing of the in vivo each gear assembly of shell transmission need not be by other parts, can be rapidly and efficiently
Realize engagement, and the registration between gear is higher, and the loss of energy is small, in addition, the novel design of the structure, the part of application
Few and compact-sized, space availability ratio is high, and completing transmission needs.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 is the agent structure schematic diagram of the utility model.
In figure：1st, housing；2nd, output shaft；3rd, drive end bearing bracket；4th, hole baffle ring；5th, bearing；6th, bearing block；7th, gear one；8、
Pin hole；9th, gear two；10th, transition axis；11st, electric machine main shaft；12nd, rear end cap；13rd, motor bearings door；14th, gear three；15th, it is electric
Machine stator；16th, rotor；17th, fan blade；18th, nitrile rubber；19th, shaft coupling.
Specific embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of speed reducer, including housing 1,1 middle part of housing is equipped with output shaft 2,
2 one side of output shaft connects drive end bearing bracket 3, and 3 one side of drive end bearing bracket is equipped with hole baffle ring 4, and the outer diameter of hole baffle ring is than assembling Circularhole diameter
Footpath is slightly larger, makes cooperation even closer, will not loosen, and hole connects bearing 5,5 lower section connection bearing block of bearing with 4 one side of baffle ring
6,6 one side of bearing block is equipped with gear 1, and one 7 medial surface of gear is equipped with pin hole 8, and pin hole 8 is conducive to quickly firmly pacify during assembling
Dress, makes gear not slide, one 7 one side connection gear 29 of gear, 29 one side of gear connection transition axis 10, transition axis 10
Afterbody connects electric machine main shaft 11,10 one side of transition axis connection rear end cap 12,12 one side of rear end cap connection motor bearings door 13, electricity
11 middle part of owner's axis is equipped with gear 3 14,3 14 lower section connection motor stator 15 of gear, and 3 14 top connection rotor 16 of gear turns
Sub- one side is equipped with fan blade 17, and fan blade 17 can be such that the substantial amounts of heat generated in housing distributes in time, ensure the normal of speed reducer
Work.
Housing 1 is cast iron materials, and the hardness of cast iron materials is bigger, and easily shaping, also can during manufacture
It is more prone to manufacture, stationarity can also be guaranteed.There is nitrile rubber 18 to be sealed between drive end bearing bracket 3 and hole baffle ring 4,
It is sealed using nitrile rubber, can prevent the leakage of lubricating oil, the in vivo fluid of case is allow efficiently to use.Bearing 5
For deep groove ball bearing, deep groove ball bearing substantial radial load can also bear axial load and radial load simultaneously, axis
Stress potentially unstable, ability deep groove ball bearing can protect axis uniform stressed, will not damage.Bearing block 6 is whole for one with housing 1
Body, the two can be more prone to processing for an entirety, avoid increasing connector, can save material, while be linked as one
Entirety can make bearing not shake in stress, and structure is more firm.Transition axis 10 passes through shaft coupling with electric machine main shaft 11
Device 19 connects, and is attached using shaft coupling so that simpler quick during installation, dismounting is convenient to, together
When two axis connection even closer can also consolidate, during rotation, will not get loose.
Concrete operating principle：During using the speed reducer, motor part is installed first, i.e., motor is packed into motor case
Then main shaft 11 loads onto stator 15 and rotor 16 successively, 17 grade other components of fan blade are then packed into casing, then by motor
Transition axis 10 and the shaft coupling 19 of electric machine main shaft 11 are attached, rear end cap 12 and motor bearings door 13 are then used into spiral shell
Nail is closely connected, and is then charged into output shaft 2, is carried out the gear 29 on the gear 1 and transition axis 10 on output shaft 2
Then bearing 5 is then loaded onto hole baffle ring 4 by engagement on bearing block 6, nitrile rubber 18 then is connected to hole gear
4 one sides are enclosed, finally drive end bearing bracket 3 is mounted on housing 1, the power that then motor generates is transferred to transition by electric machine main shaft 11
On axis 10, then by the engagement of gear, power, which is transferred on output shaft 2, to slow down, and the principle of entire speed reducer is exactly this
Sample.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Carry out equivalent substitution.Within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of speed reducer, including housing（1）, which is characterized in that the housing（1）Middle part is equipped with output shaft（2）, the output
Axis（2）One side connects drive end bearing bracket（3）, the drive end bearing bracket（3）One side is equipped with hole baffle ring（4）, the hole baffle ring（4）One side connects
Joint bearing（5）, the bearing（5）Lower section connects bearing block（6）, the bearing block（6）One side is equipped with gear one（7）, the tooth
Wheel one（7）Medial surface is equipped with pin hole（8）, the gear one（7）One side connection gear two（9）, the gear two（9）One side connects
Transition axis（10）, the transition axis（10）Afterbody connects electric machine main shaft（11）, the transition axis（10）One side connects rear end cap
（12）, the rear end cap（12）One side connects motor bearings door（13）, the electric machine main shaft（11）Middle part is equipped with gear three
（14）, the gear three（14）Lower section connects motor stator（15）, the gear three（14）Top connects rotor（16）, described turn
Sub- one side is equipped with fan blade（17）.
A kind of 2. speed reducer according to claim 1, which is characterized in that the housing（1）For cast iron materials.
A kind of 3. speed reducer according to claim 1, which is characterized in that the drive end bearing bracket（3）With hole baffle ring（4）Between
There is nitrile rubber（18）It is sealed.
A kind of 4. speed reducer according to claim 1, which is characterized in that the bearing（5）For deep groove ball bearing.
A kind of 5. speed reducer according to claim 1, which is characterized in that the bearing block（6）With housing（1）It is whole for one
Body.
A kind of 6. speed reducer according to claim 1, which is characterized in that the transition axis（10）With electric machine main shaft（11）It is logical
Cross shaft coupling（19）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721549608.5U CN207459912U (en) | 2017-11-20 | 2017-11-20 | A kind of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721549608.5U CN207459912U (en) | 2017-11-20 | 2017-11-20 | A kind of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207459912U true CN207459912U (en) | 2018-06-05 |
Family
ID=62280453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721549608.5U Expired - Fee Related CN207459912U (en) | 2017-11-20 | 2017-11-20 | A kind of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207459912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599438A (en) * | 2018-06-22 | 2018-09-28 | 深圳和而泰智能控制股份有限公司 | A kind of isolation baffle ring, direct current generator and ceiling fan |
-
2017
- 2017-11-20 CN CN201721549608.5U patent/CN207459912U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599438A (en) * | 2018-06-22 | 2018-09-28 | 深圳和而泰智能控制股份有限公司 | A kind of isolation baffle ring, direct current generator and ceiling fan |
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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: 20180605 Termination date: 20181120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |