CN209725108U - A kind of multistage speed reducer - Google Patents
A kind of multistage speed reducer Download PDFInfo
- Publication number
- CN209725108U CN209725108U CN201920047321.5U CN201920047321U CN209725108U CN 209725108 U CN209725108 U CN 209725108U CN 201920047321 U CN201920047321 U CN 201920047321U CN 209725108 U CN209725108 U CN 209725108U
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- Prior art keywords
- gear
- outer housing
- shaft
- terminal pad
- speed reducer
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Abstract
The utility model provides a kind of multistage speed reducer, belongs to machinery manufacturing technology field.It solves the problems such as existing speed reducer structure is unreasonable.This multistage speed reducer, including retarder and driving motor, retarder includes outer housing and the gear assembly for being set to its inside, driving motor has the drive shaft for extending and penetrating to outer housing, gear assembly includes output gear, primary transmission gear, secondary transmission gear and the input gear being sheathed in drive shaft, the first connecting shaft is provided on primary transmission gear, the second connecting shaft is connected between secondary transmission gear and outer housing, the output shaft for power output is provided on output gear, with the connected unit of downwardly convex formation on the upper surface of outer housing, one end of first connecting shaft is connected with connected unit.The utility model has the advantages that structurally reasonable, to be not easy clamping stagnation, performance stable.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, is related to a kind of speed reducer, in particular to a kind of multistage speed reducer.
Background technique
Speed reducer refers to that the conglomerate of retarder and motor, this conglomerate are usually alternatively referred to as gear motor or gear electricity
Machine.Usually by profession speed reducer factory, be primarily adapted for use in metallurgy, mine, light industry, etc. industries.The motor shaft of speed reducer is inserted
Enter into retarder, when speed reducer work, power is passed in retarder by motor by motor shaft, then passes through retarder
It is exported, during this, the high revolving speed of motor will be converted into the slow-speed of revolution, and reduction of speed while improves output torque.
Speed reducer on existing market is mostly 2-level reducer, and 2-level reducer engages cooperation with pinion by master gear
Realize engaged transmission, and master gear and pinion are erected on reduction case by gear shaft, it is continuous with the market demand
Increase, the production and application of multistage speed reducer, which also dishonours, to be increased, but the multistage speed reducer of the overwhelming majority still uses 2-level reducer
Structure is configured, and existing major defect is, after reduction gearing increases, box body of speed reducer volume just be will increase, subtract
When fast gear is fixed on enclosure interior by gear shaft, gear shaft is easy to appear radial bounce, and gear is caused not nibble accurately
The phenomenon that closing, will cause latch generation, influences the normal work of speed reducer.
Summary of the invention
The purpose of this utility model is provided a kind of structurally reasonable, no for the above-mentioned problems in the prior art
The stable multistage speed reducer of easy clamping stagnation, performance.
The purpose of this utility model can be realized by the following technical scheme: a kind of multistage speed reducer, including retarder with
And driving motor, which is characterized in that the retarder includes outer housing and is set to its internal gear assembly, described
Driving motor has the drive shaft for extending and penetrating to outer housing, and the gear assembly includes output gear, primary transmission
Gear, secondary transmission gear and the input gear being sheathed in drive shaft are provided with first on the primary transmission gear
Connecting shaft is connected with the second connecting shaft, is provided on the output gear between the secondary transmission gear and outer housing
For the output shaft of power output, the primary transmission gear is meshed with input gear, sets in first connecting shaft
It is equipped with the transition gear being meshed with secondary transmission gear, the secondary transmission gear is meshed with output gear, described
With the connected unit of downwardly convex formation on the upper surface of outer housing, the left side of the connected unit and outer housing, right side are not
It is connected, one end of first connecting shaft is connected with connected unit, and the other end is connected on outer housing, the output shaft
The connecting hole through entire axis body is offered at center, the connecting hole is used to penetrate for external transmission shaft, the output
The tail end of axis is provided with the connection bolt for realizing that output shaft and external transmission shaft are fixedly connected with.
The technical effect of the utility model are as follows: this multistage speed reducer includes retarder and driving motor, inside retarder
Gear assembly includes output gear, primary transmission gear, secondary transmission gear, input gear and transition gear, transition gear
It is all set in the first connecting shaft with primary transmission gear, downwardly convex connected unit is provided on the upper surface of outer housing, the
One one end of the connecting shaft is connected with connected unit, and the other end is connected on outer housing, the structure being set up on outer housing with both ends
It compares, the length of this first connection transmission shaft is shorter, more favorably reduces circular runout bring adverse effect.
In a kind of above-mentioned multistage speed reducer, it is provided with connecting flange between the outer housing and driving motor, institute
The connecting flange stated includes outer terminal pad and interior terminal pad, and the outer terminal pad is used for connected with outer casing body, the interior terminal pad
It is connected with driving motor, and the diameter of the outer terminal pad is greater than the diameter in interior terminal pad, the outer terminal pad and interior company
It connects and is provided with several fixing bolts for fixing on disk.
In a kind of above-mentioned multistage speed reducer, the fixing bolt in outer terminal pad and consolidating in interior terminal pad
The quantity for determining bolt is 4, and the fixing bolt being located in outer terminal pad is in 90 degree with the fixing bolt being located in interior terminal pad
It is interspersed.
In a kind of above-mentioned multistage speed reducer, the both ends of first connecting shaft, the second connecting shaft and output shaft
Portion is provided with bearing.
In a kind of above-mentioned multistage speed reducer, several connecting plates, the connection are provided on the outer housing
Plate is covered on outer housing, and is removable connection between outer housing.
In a kind of above-mentioned multistage speed reducer, the side end of the outer housing offers several heat release holes, described
Heat release hole be connected with inside it through outer housing.
In a kind of above-mentioned multistage speed reducer, fluted, described groove is opened up on the output shaft along output shaft
Length direction setting, be provided with the buck plate axially slid in connecting hole along groove, the company in the connecting hole
Connecting bolt matches the fixation and limit for realizing external transmission shaft with buck plate.
Compared with prior art, this multistage speed reducer is provided with independent connected unit relative to traditional multi-stage speed reducer
And the output shaft of internal connecting type, the design of connected unit has shortened the shaft length of the first connecting shaft, and then reduces its radial-play band
The influence come improves the accuracy of mesh between gear, has the advantages that structurally reasonable, to be not easy clamping stagnation, performance stable.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of this multistage speed reducer.
Fig. 2 is the overall structure cross-sectional view of this multistage speed reducer.
Fig. 3 is the structure chart of retarder in this multistage speed reducer.
Fig. 4 is the cross section structure figure of retarder in this multistage speed reducer.
In figure, 1, retarder；2, driving motor；3, outer housing；4, gear assembly；5, drive shaft；6, output gear；7, one
Grade transmission gear；8, secondary transmission gear；9, input gear；10, the first connecting shaft；11, the second connecting shaft；12, output shaft；
13, transition gear；14, connected unit；15, connecting hole；16, bolt is connected；17, connecting flange；18, outer terminal pad；19, interior connection
Disk；20, bearing；21, connecting plate；22, heat release hole；23, groove；24, buck plate；25, fixing bolt.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figures 1 to 4, this multistage speed reducer, including retarder 1 and driving motor 2, which is characterized in that described
Retarder 1 include outer housing 3 and be set to its internal gear assembly 4, the driving motor 2 have extend penetrate to
Drive shaft 5 inside outer housing 3, the gear assembly 4 include output gear 6, primary transmission gear 7, secondary transmission gear 8
And it is sheathed on the input gear 9 in drive shaft 5, and the first connecting shaft 10 is provided on the primary transmission gear 7, it is described
It is connected with the second connecting shaft 11 between secondary transmission gear 8 and outer housing 3, is provided on the output gear 6 for power
The output shaft 12 of output, the primary transmission gear 7 are meshed with input gear 9, are arranged in first connecting shaft 10
There is the transition gear 13 being meshed with secondary transmission gear 8, the secondary transmission gear 8 is meshed with output gear 6, described
Outer housing 3 upper surface on the connected unit 14 with downwardly convex formation, the left side of the connected unit 14 and outer housing 3,
Right side is not attached to, and one end of first connecting shaft 10 is connected with connected unit 14, and the other end is connected to outer housing 3
On, the connecting hole 15 through entire axis body is offered at 12 center of output shaft, the connecting hole 15 is used for for external
Transmission shaft penetrate, the tail end of the output shaft 12 is provided with the connection bolt for realizing that output shaft 12 and external transmission shaft are fixedly connected with
16。
Connecting flange 17 is provided between outer housing 3 and driving motor 2, connecting flange 17 includes outer terminal pad 18 and interior company
Disk 19 is connect, outer terminal pad 18 is used for connected with outer casing body 3, and interior terminal pad 19 is connected with driving motor 2, and the diameter of outer terminal pad 18
Greater than the diameter in interior terminal pad 19, several fixed spiral shells for fixing are provided in outer terminal pad 18 and interior terminal pad 19
Bolt 25.The structure design of such connecting flange 17 facilitates the installation of retarder 1 Yu driving motor 2, while passing through connecting flange 17
To support drive shaft 5, the run stability of raising drive shaft 5.
Fixing bolt 25 and the quantity for the fixing bolt 25 being located in interior terminal pad 19 in outer terminal pad 18 are
4, and the fixing bolt 25 being located in outer terminal pad 18 is interspersed with the fixing bolt 25 being located in interior terminal pad 19 in 90 degree.
Improve the stability of connection.
It further describes in detail, the both ends of the first connecting shaft 10, the second connecting shaft 11 and output shaft 12 are provided with bearing
20。
Several connecting plates 21 are provided on outer housing 3, connecting plate 21 is covered on outer housing 3, and between outer housing 3
For removable connection.The removable setting of connecting plate 21 is conducive to operator and periodically passes through the dismounting observation deceleration of connecting plate 21
Working order inside device 1.
The side end of outer housing 3 offers several heat release holes 22, and heat release hole 22 is connected through outer housing 3 with its inside
It is logical.Improve the thermal diffusivity inside retarder 1.
Fluted 23 are opened up on output shaft 12, groove 23 is arranged along the length direction of output shaft 12, setting in connecting hole 15
There is the buck plate 24 axially slid in connecting hole 15 along groove 23, connection bolt 16 matches realization with buck plate 24 to unofficial biography
The fixation and limit of moving axis.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although retarder 1, driving motor 2, outer housing 3, gear assembly 4, drive shaft 5, output is used more herein
Gear 6, primary transmission gear 7, secondary transmission gear 8, input gear 9, the first connecting shaft 10, the second connecting shaft 11, output shaft
12, transition gear 13, connected unit 14, connecting hole 15, connection bolt 16, connecting flange 17, outer terminal pad 18, interior terminal pad 19,
The terms such as bearing 20, connecting plate 21, heat release hole 22, groove 23, buck plate 24, fixing bolt 25, but be not precluded using other
A possibility that term.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；Them
It is contrary to the spirit of the present invention for being construed to any additional limitation all.
Claims (7)
1. a kind of multistage speed reducer, including retarder (1) and driving motor (2), which is characterized in that the retarder (1)
Including outer housing (3) and it is set to its internal gear assembly (4), the driving motor (2), which has to extend, to be penetrated to outer
The internal drive shaft (5) of shell (3), the gear assembly (4) includes output gear (6), primary transmission gear (7), second level
Transmission gear (8) and the input gear (9) being sheathed on drive shaft (5) are provided on the primary transmission gear (7)
One connecting shaft (10) is connected with the second connecting shaft (11) between the secondary transmission gear (8) and outer housing (3), described
The output shaft (12) for power output, the primary transmission gear (7) and input gear are provided on output gear (6)
(9) it is meshed, the transition gear (13) being meshed with secondary transmission gear (8) is provided in first connecting shaft (10),
The secondary transmission gear (8) is meshed with output gear (6), has on the upper surface of the outer housing (3) downwardly convex
The connected unit (14) formed is acted, the connected unit (14) and left side, the right side of outer housing (3) are not attached to, and described first
One end of connecting shaft (10) is connected with connected unit (14), and the other end is connected on outer housing (3), the output shaft (12)
The connecting hole (15) through entire axis body is offered at center, the connecting hole (15) is used to penetrate for external transmission shaft,
The tail end of the output shaft (12) is provided with the connection bolt (16) for realizing that output shaft (12) and external transmission shaft are fixedly connected with.
2. a kind of multistage speed reducer according to claim 1, which is characterized in that the outer housing (3) and driving motor
(2) it is provided between connecting flange (17), the connecting flange (17) includes outer terminal pad (18) and interior terminal pad (19), institute
Outer terminal pad (18) are stated for connected with outer casing body (3), the interior terminal pad (19) is connected with driving motor (2), and described outer
The diameter of terminal pad (18) is greater than the diameter on interior terminal pad (19), on the outer terminal pad (18) and interior terminal pad (19)
It is provided with several fixing bolts (25) for fixing.
3. a kind of multistage speed reducer according to claim 2, which is characterized in that the fixation spiral shell being located on outer terminal pad (18)
Bolt (25) and the quantity for the fixing bolt (25) being located on interior terminal pad (19) are 4, and are located at consolidating on outer terminal pad (18)
Determine bolt (25) to be interspersed with the fixing bolt (25) being located on interior terminal pad (19) in 90 degree.
4. a kind of multistage speed reducer according to claim 1, which is characterized in that first connecting shaft (10), second
The both ends of connecting shaft (11) and output shaft (12) are provided with bearing (20).
5. a kind of multistage speed reducer according to claim 1, which is characterized in that the outer housing (3) if on be provided with
Dry connecting plate (21), the connecting plate (21) are covered on outer housing (3), and are removable load between outer housing (3)
It connects.
6. a kind of multistage speed reducer according to claim 1, which is characterized in that open the side end of the outer housing (3)
Equipped with several heat release holes (22), the heat release hole (22) is connected through outer housing (3) with inside it.
7. a kind of multistage speed reducer according to claim 1, which is characterized in that offered on the output shaft (12) recessed
Slot (23), the groove (23) are arranged along the length direction of output shaft (12), are provided in the connecting hole (15) along recessed
The buck plate (24) that slot (23) axially slides in connecting hole (15), the connection bolt (16) are matched with buck plate (24)
Realize the fixation and limit of external transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047321.5U CN209725108U (en) | 2019-01-11 | 2019-01-11 | A kind of multistage speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047321.5U CN209725108U (en) | 2019-01-11 | 2019-01-11 | A kind of multistage speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725108U true CN209725108U (en) | 2019-12-03 |
Family
ID=68679634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920047321.5U Expired - Fee Related CN209725108U (en) | 2019-01-11 | 2019-01-11 | A kind of multistage speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994887A (en) * | 2019-12-30 | 2020-04-10 | 绍兴市上虞东星齿轮减速电机有限公司 | Speed reducing motor |
-
2019
- 2019-01-11 CN CN201920047321.5U patent/CN209725108U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994887A (en) * | 2019-12-30 | 2020-04-10 | 绍兴市上虞东星齿轮减速电机有限公司 | Speed reducing motor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210111 |