CN207715644U - A kind of worm and wormwheel gear reduction unit - Google Patents
A kind of worm and wormwheel gear reduction unit Download PDFInfo
- Publication number
- CN207715644U CN207715644U CN201721564529.1U CN201721564529U CN207715644U CN 207715644 U CN207715644 U CN 207715644U CN 201721564529 U CN201721564529 U CN 201721564529U CN 207715644 U CN207715644 U CN 207715644U
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- Prior art keywords
- worm
- gear
- reduction unit
- end cap
- wormwheel
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Abstract
The utility model discloses a kind of worm and wormwheel gear reduction units, including babinet, worm gear, worm screw, first bearing, end cap, sealing element and the first oil sealing, the worm gear is engaged with the worm screw and is installed in the babinet, the end cap is socketed on described worm screw one end and connects and fixes in the babinet, the first bearing side is abutted with the worm screw, the other side is abutted with the end cap, the sealing element is socketed on the end cap, the first oil sealing outer wall is abutted with the end cap inner wall, and the first oil sealing inner wall is abutted with the worm screw outer wall.Sealing element and the first oil sealing cooperatively form dual-seal in the utility model, improve the sealing effect of worm and gear gear reduction unit, reduce noise.
Description
Technical field
The utility model is related to speed reducer more particularly to a kind of worm and wormwheel gear reduction units.
Background technology
Worm and gear gear reduction unit is a kind of power transmission device, using the rate conversion of gear, obtains larger turn
Square.It is presently used in passing power and the mechanism of movement, worm and wormwheel speed reducer is widely used in ship, automobile, locomotive, again
The occasions such as type equipment and automated production equipment.
But existing worm and wormwheel speed reducer has the following defects：Input terminal sealing effect is poor, is easy oil leak so that
The service life of speed reducer is shorter, is not durable.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of worm and wormwheel The gear decelerations
Machine, good airproof performance solve the problems, such as input terminal oil leak, prolong the service life.
The purpose of this utility model is realized using following technical scheme：
A kind of worm and wormwheel gear reduction unit, including babinet, worm gear, worm screw, first bearing, end cap, sealing element and first
Oil sealing, the worm gear are engaged with the worm screw and are installed in the babinet, and the end cap is socketed on described worm screw one end and blocks
It connects and is fixed in the babinet, the first bearing side is abutted with the worm screw, and the other side is abutted with the end cap, described close
Sealing is socketed on the end cap, and the first oil sealing outer wall is abutted with the end cap inner wall, the first oil sealing inner wall and institute
State worm screw outer wall abutting.
Further, first oil sealing is TC oil sealings, and the sealing element is O-ring.
Further, the worm screw is driven with the worm gear using plane-generated double enveloping.
Further, the worm and wormwheel gear reduction unit further includes gear shaft, sealing bearing and the second oil sealing, the snail
Wheel is socketed on the gear shaft and is interference fitted, and described the is sequentially socketed between the gear shaft and a side end face of the worm gear
Two oil sealings and the sealing bearing.
Further, the gear shaft includes the square key of evagination, and the worm gear is equipped with square groove, and the square key is contained in institute
State square groove.
Further, the central axes of the gear shaft are overlapped with the central axes of the worm gear.
Further, the worm and wormwheel gear reduction unit further includes output end cap, the output end cap be socketed with it is described
The one end of gear shaft far from the sealing bearing, output end cap middle part installing and dismounting screw.
Further, the central axes of the worm gear are vertical with the central axes of the worm screw.
Compared with prior art, the beneficial effects of the utility model are：Sealing element cooperatively forms dual close with the first oil sealing
Envelope improves the sealing effect of worm and gear gear reduction unit, reduces noise.
Description of the drawings
Fig. 1 is a sectional view of one worm and wormwheel gear reduction unit of the utility model；
Fig. 2 is the side sectional view of worm and wormwheel gear reduction unit shown in Fig. 1；
Fig. 3 is the side view of worm and wormwheel gear reduction unit shown in Fig. 2.
In figure：1, babinet；2, worm gear；3, worm screw；4, motor；5, first bearing；6, sealing cover；7, end cap；8, sealing element；
9, the first oil sealing；10, gear shaft；11, bearing is sealed；12, the second oil sealing.
Specific implementation mode
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
As shown in Figs. 1-3, a kind of worm and wormwheel speed reducer, including babinet 1, worm gear 2, worm screw 3, motor 4, first bearing 5,
Sealing cover 6, end cap 7, sealing element 8, the first oil sealing 9, gear shaft 10, sealing bearing 11 and the second oil sealing 12.
Babinet 1 uses ZG45 materials, and rigidity is good, and intensity is high, and compact mechanical structure, thermal diffusivity is good, and service life is long.Worm gear
2 engage with worm screw 3, and are installed in babinet 1.Worm gear 2 is driven with worm screw 3 using plane-generated double enveloping, and face area is big,
And there is instantaneous doublet contact, contact line length is long, and profile accuracy is high, transmission efficiency.Motor 4 is fixedly connected with worm screw 3, and
And motor 4 is mounted on by input flange on babinet 1.
A sealing cover 6 is fixedly mounted in the one end of worm screw 3 far from motor 4, which is fixedly connected with babinet 1.Close
A bearing is installed between capping 6 and 3 end face of worm screw, first bearing 5 is socketed in 3 other end of worm screw, 5 outside of first bearing and end
Lid 7 abuts.In 7 periphery socket sealing element 8 of end cap, sealing element 8 is O-ring.It is socketed between 3 outer wall of 7 inner wall of end cap and worm screw
First oil sealing 9 is installed, which is TC oil sealings.
2 middle part plugged and fixed of worm gear, one gear shaft 10, and the two is interference fitted.10 one end of gear shaft and 2 end face of worm gear
Between socket sealing bearing 11, sealing bearing 11 and 10 end of gear shaft between be socketed the second oil sealing 12.Second oil sealing 12
Dual-seal is formed with sealing bearing 11, to improve sealing effect.10 other end of gear shaft socket installation, one output end cap, this is defeated
Go out in the middle part of end cap and knockout screw is installed, it is easy to disassemble.Gear shaft 10 includes the square key of evagination, which is contained on worm gear 2
The square groove opened up, to realize being fixed by socket for gear shaft 10 and worm gear 2.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (8)
1. a kind of worm and wormwheel gear reduction unit, it is characterised in that：The worm and wormwheel gear reduction unit include babinet, worm gear,
Worm screw, first bearing, end cap, sealing element and the first oil sealing, the worm gear are engaged with the worm screw and are installed in the babinet,
The end cap is socketed on described worm screw one end and connects and fixes in the babinet, and the first bearing side is supported with the worm screw
It connects, the other side is abutted with the end cap, and the sealing element is socketed on the end cap, the first oil sealing outer wall and the end cap
Inner wall abuts, and the first oil sealing inner wall is abutted with the worm screw outer wall.
2. worm and wormwheel gear reduction unit as described in claim 1, it is characterised in that：First oil sealing is TC oil sealings, described
Sealing element is O-ring.
3. worm and wormwheel gear reduction unit as described in claim 1, it is characterised in that：The worm screw uses plane with the worm gear
Twice-enveloping is driven.
4. worm and wormwheel gear reduction unit as described in claim 1, it is characterised in that：The worm and wormwheel gear reduction unit also wraps
It includes gear shaft, sealing bearing and the second oil sealing, the worm gear to be socketed on the gear shaft and be interference fitted, the gear shaft and institute
It states and is sequentially socketed second oil sealing and the sealing bearing between a side end face of worm gear.
5. worm and wormwheel gear reduction unit as claimed in claim 4, it is characterised in that：The gear shaft includes the square key of evagination,
The worm gear is equipped with square groove, and the square key is contained in the square groove.
6. worm and wormwheel gear reduction unit as claimed in claim 4, it is characterised in that：The central axes of the gear shaft and the snail
The central axes of wheel overlap.
7. worm and wormwheel gear reduction unit as claimed in claim 4, it is characterised in that：The worm and wormwheel gear reduction unit also wraps
Output end cap is included, the output end cap is socketed and the one end of the gear shaft far from the sealing bearing, in the output end cap
Portion's installing and dismounting screw.
8. worm and wormwheel gear reduction unit as described in claim 1, it is characterised in that：The central axes of the worm gear and the worm screw
Central axes it is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564529.1U CN207715644U (en) | 2017-11-21 | 2017-11-21 | A kind of worm and wormwheel gear reduction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564529.1U CN207715644U (en) | 2017-11-21 | 2017-11-21 | A kind of worm and wormwheel gear reduction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715644U true CN207715644U (en) | 2018-08-10 |
Family
ID=63062009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721564529.1U Active CN207715644U (en) | 2017-11-21 | 2017-11-21 | A kind of worm and wormwheel gear reduction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219968A (en) * | 2019-07-05 | 2019-09-10 | 徐州徐工随车起重机有限公司 | A kind of worm-gear speed reducer for lorry-mounted crane |
| CN110410459A (en) * | 2019-08-06 | 2019-11-05 | 安庆联动属具股份有限公司 | A kind of high efficient and power-saving retarder |
| CN112443543A (en) * | 2019-09-03 | 2021-03-05 | 中国科学院长春光学精密机械与物理研究所 | Three-link locking hook device |
-
2017
- 2017-11-21 CN CN201721564529.1U patent/CN207715644U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219968A (en) * | 2019-07-05 | 2019-09-10 | 徐州徐工随车起重机有限公司 | A kind of worm-gear speed reducer for lorry-mounted crane |
| CN110410459A (en) * | 2019-08-06 | 2019-11-05 | 安庆联动属具股份有限公司 | A kind of high efficient and power-saving retarder |
| CN112443543A (en) * | 2019-09-03 | 2021-03-05 | 中国科学院长春光学精密机械与物理研究所 | Three-link locking hook device |
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