CN108999953A - A kind of transmission gear and linear actuators that transmission efficiency is high - Google Patents
A kind of transmission gear and linear actuators that transmission efficiency is high Download PDFInfo
- Publication number
- CN108999953A CN108999953A CN201710417370.9A CN201710417370A CN108999953A CN 108999953 A CN108999953 A CN 108999953A CN 201710417370 A CN201710417370 A CN 201710417370A CN 108999953 A CN108999953 A CN 108999953A
- Authority
- CN
- China
- Prior art keywords
- transmission
- teeth portion
- gear
- tooth socket
- tooth
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 147
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 71
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000004323 axial length Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/12—Toothed members; Worms with body or rim assembled out of detachable parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of transmission gears that transmission efficiency is high, belong to Linear transmission technical field, including ontology and the transmission teeth portion for being located at the body peripheral, the transmission teeth portion includes the first transmission teeth portion and axially adjacent the second transmission teeth portion being located in the first transmission teeth portion, the first transmission teeth portion includes the first tooth socket being spaced apart, first tooth socket is a part of worm gear tooth socket, the second transmission teeth portion includes the second tooth socket being spaced apart, second tooth socket is a part of helical teeth tooth socket, first tooth socket is connected to second tooth socket, the advantages of this transmission gear, is that not only transmission efficiency is high, and tooth intensity is also preferable, in addition, the invention also discloses a kind of linear actuators using the transmission gear, it the advantage is that transmission efficiency height, long service life.
Description
[technical field]
The present invention relates to a kind of transmission gears that transmission efficiency is high, belong to Linear transmission technical field.
[background technique]
Worm Wheel System is more common a kind of kind of drive in machine driving, especially in linear actuators
More common, existing transmission gear can be divided into two kinds, one is most common worm gear, may refer to the figure in Figure of description
Shown in 1, the tooth socket of periphery is worm gear tooth socket, another then be helical gear, may refer to Fig. 2 in Figure of description,
The tooth socket of its periphery is helical teeth tooth socket, the problem is that, when using Helical gear Transmission, transmission efficiency is high, but self-locking performance now
Can be poor, and be driven using conventional worm, then tooth intensity is big, and self-locking property is good, but comparatively transmission efficiency is low.
[summary of the invention]
It is high that a kind of transmission efficiency is provided technical problem to be solved by the present invention lies in overcome the deficiencies in the prior art
Transmission gear, not only transmission efficiency is high, but also tooth intensity is also preferable.
Above-mentioned technical problem is solved, the present invention adopts the following technical scheme:
A kind of transmission gear that transmission efficiency is high, including ontology and the transmission teeth portion for being located at the body peripheral, the biography
Movable tooth portion includes the first transmission teeth portion and axially adjacent the second transmission teeth portion being located in the first transmission teeth portion, first transmission
Teeth portion includes the first tooth socket being spaced apart, and the first tooth socket is a part of worm gear tooth socket, between the second transmission teeth portion includes
Every the second tooth socket of distribution, the second tooth socket is a part of helical teeth tooth socket, and first tooth socket is connected to second tooth socket.
Using beneficial effects of the present invention:
Transmission teeth portion in the present invention, is made of two parts, and a portion is the first transmission teeth portion, and another part is the
Two are driven teeth portion, and the first tooth socket in the first transmission teeth portion is a part of worm gear tooth socket, and second in the second transmission teeth portion
Tooth socket is a part of helical teeth tooth socket, and a part referred herein generally refers to a part intercepted on axial direction, tool
Body ratio can be half, and can be also possible to most with smaller part, after the first transmission teeth portion and the second transmission teeth portion splicing,
First tooth socket and the second tooth socket are interconnected to form a whole tooth socket, therefore this whole tooth socket is to have had both worm gear tooth socket tooth
Intensity is high, has the advantages that self-locking performance, has also had both the high advantage of transmission efficiency that helical teeth tooth socket has.
Preferably, the first transmission teeth portion includes first gear teeth, first gear teeth include base tooth and by the base
The extending radially outward extension tooth of tooth.
Preferably, the side that first tooth socket is connected to the second tooth socket is the inner end of the first tooth socket, the first tooth socket
Outer end is closing.
Preferably, the second transmission teeth portion includes second gear teeth, the tooth top of the base tooth and the second gear teeth junction
With the tooth top flush of second gear teeth.
Preferably, the axial length of the first transmission teeth portion is L1, the axial length of the second transmission teeth portion is
L2, the L1:L2 meet 0.8≤L1:L2≤3.
Preferably, the L1=L2.
Preferably, the first transmission teeth portion is structure as a whole with the second transmission teeth portion.
Preferably, the first transmission teeth portion and the second transmission teeth portion are mutually indepedent, the first transmission teeth portion is passed with second
Movable tooth portion is fixedly connected.
Preferably, the transmission teeth portion is structure as a whole with the ontology；Or, the first transmission teeth portion and second passes
Movable tooth portion, one of them and the ontology integral structure, another is fixedly connected with ontology.
In addition, the invention also discloses a kind of linear actuators, including motor, motor are connected with geared worm, the biography
Dynamic worm screw is engaged with transmission gear, and the transmission gear is connected with telescopic component, which is characterized in that the transmission gear is using upper
State any one transmission gear in scheme.
The other features and advantages of the invention will the detailed exposure in following specific embodiment, attached drawing.
[Detailed description of the invention]
Following further describes the present invention with reference to the drawings:
Fig. 1 is the structural schematic diagram of traditional worm gear；
Fig. 2 is traditional helical gear structural schematic diagram；
Fig. 3 is the structural schematic diagram of transmission gear embodiment one in the present invention；
Fig. 4 is the end view of transmission gear embodiment one in the present invention；
Fig. 5 is the side schematic view of transmission gear embodiment one in the present invention；
Fig. 6 is the schematic cross-section of the transmission teeth portion of transmission gear embodiment one in the present invention.
[specific embodiment]
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiments without making creative work, belong to protection scope of the present invention.
In the following description, occur term "inner", "outside", "upper", "lower", the indicating positions such as "left", "right" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, description embodiment merely for convenience and simplified description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
Embodiment 1
Be common worm gear 3 shown in Fig. 1, be common helical gear 4 shown in Fig. 2, both include ontology and
It is located at the transmission teeth portion of body peripheral, difference is that the tooth socket for being driven teeth portion is different, in other words its gear teeth for being driven teeth portion
Different, the intensity of the worm gear in Fig. 1, the gear teeth is relatively high, and the structure of this gear teeth, also has self-locking performance, i.e.,
It can only be rotated, and cannot be rotated with worm-drive worm screw by worm-drive worm gear；And the helical gear in Fig. 2, its advantage is that transmission
It is high-efficient, but in contrast intensity is small for the structure of its gear teeth.
And a kind of as shown in Figures 3 to 6, follow-on transmission gear shown in the present embodiment, including ontology 1 and be located at
The transmission teeth portion 2 of 1 periphery of ontology, ontology 1 are equipped with the spline housing 11 with axis transmission, and transmission teeth portion 2 is herein defined as
Refer to the general designation that ontology 1 outer Monday encloses comprising several gear teeth form tooth socket between adjacent teeth.It is improved in the present embodiment
Being in the transmission teeth portion 2 includes the first transmission teeth portion 21 and axially adjacent the second transmission being located in the first transmission teeth portion 21
Teeth portion 22, the first transmission teeth portion 21 include that the first tooth socket 21a, the first tooth socket 21a being spaced apart is the one of worm gear tooth socket
Part, the second transmission teeth portion 22 include that the second tooth socket 22a, the second tooth socket 22a being spaced apart is one of helical teeth tooth socket
Point, a part referred herein generally refers to a part intercepted on axial direction, and specific ratio can be half,
It is that can be also possible to most with smaller part, after the first transmission teeth portion 21 and the axial splicing of the second transmission teeth portion 22, the first tooth socket 21a
It is interconnected with the second tooth socket 22a to form a whole tooth socket, is the entirety tooth socket and transmission snail when being engaged with geared worm
Bar engagement, therefore this whole tooth socket is to have had both worm gear tooth socket tooth intensity height and had the advantages of self-locking performance, has also had both helical teeth
The high advantage of the transmission efficiency that tooth socket has.
Specific structure:
The worm gear tooth socket that the first transmission teeth portion 21 intercepts in the present embodiment is worm gear tooth socket end sections, i.e., described first passes
Movable tooth portion 21 includes that the first gear teeth 21b, first gear teeth 21b includes base tooth 211b and prolonged radially outward by the base tooth 211b
Extension the tooth 212b, base tooth 211b and extension tooth 212b stretched collectively constitutes the first gear teeth 21b, the structure of this first gear teeth 21b
The gear teeth structure intensity of its own will be significantly greater than the gear teeth structure intensity in helical gear.
In addition, the first tooth socket 21a in the present embodiment is semi-enclosed tooth socket, specifically, the first tooth socket 21a with
The inner end that the side of second tooth socket 22a connection is the first tooth socket 21a, the inner end of the first tooth socket 21a are open, and the first teeth
The outer end of slot 21a is closing, and this tooth slot structure is equivalent to what the outer end portion of the first adjacent gear teeth 21b was connected to, excellent
Point is that the power that adjacent first gear 21b is born can mutually be shared, i.e., the first gear teeth 21b can bear the effect of more tangential directions
Power is equally the intensity for increasing transmission teeth portion 2.
It should be noted that it is preferred embodiment that the first tooth socket 21a, which is used semi-enclosed, in the present embodiment, in other embodiments
In, the outer end of the first tooth socket 21a can be open.This embodiment also falls into protection scope of the present invention.
Dimensionally, the second transmission teeth portion 22 includes the second gear teeth 22b, the base tooth 211b and the second gear teeth 22b
The tooth top flush of the tooth top of junction and second gear teeth 22b designs the first transmission teeth portion 21 and the second driving cog in this way
The junction in portion 22 is more smooth, is more suitable for being made of one structure, the first transmission teeth portion 21 and second in certain the present embodiment
Transmission teeth portion 22 is preferably also integral structure, and is also between the first transmission teeth portion 21 and the second transmission teeth portion 22 and ontology 1
Integral structure.
As shown in figure 5, the axial length of the first transmission teeth portion 21 is L1, the axial direction of the second transmission teeth portion 22 is long
Degree is L2, and the ratio of the L1:L2 meets 0.8≤L1:L2≤3, is preferably L1=L2, i.e. L1:L2 in certain the present embodiment
=1, and in the present embodiment L1 intercept be worm-drive teeth portion axial length half, L2 interception be Helical gear Transmission tooth
The half of the axial length in portion.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, in the present embodiment, transmission teeth portion be independent, driving cog with ontology
Portion is fixed on the body by screw or other fixed forms, and the first transmission teeth portion being driven in teeth portion and the second driving cog
Portion is to maintain integral structure.This design, transmission teeth portion part can be for separately fabricated, and is installed on other ontologies.
Embodiment 3
The present embodiment the difference from embodiment 1 is that, in the present embodiment, the first transmission teeth portion and second transmission both teeth portion
Be independent from each other, be not integral structure, be fixed together to collectively constitute transmission teeth portion by fasteners such as screws, and
It is also mutually indepedent for being driven between teeth portion and ontology, is fixedly connected by screw or other fixed forms.
Embodiment 4
The present embodiment the difference from embodiment 1 is that, in the present embodiment, the first transmission teeth portion and second transmission both teeth portion
Independently of each other, and one of the first transmission teeth portion and the second transmission teeth portion are and ontology integral structure, such as the first driving cog
Portion and ontology are integral structures, and the second transmission teeth portion is to be fixedly connected with the first transmission teeth portion or ontology.
Embodiment 5
The present embodiment is a kind of linear actuators, and linear actuators includes motor, and motor is connected with geared worm, the biography
Dynamic worm screw is engaged with transmission gear, and the transmission gear is connected with telescopic component, and telescopic component is known in linear actuators
Technology, most common is screw rod, nut, and screw rod is fixedly connected with transmission gear, screw rod rotate when drive lift nut, spiral shell
Telescoping tube female then that connection is flexible realizes that Telescopic, the linear actuators in the present embodiment, transmission gear use just
This linear actuators such as the transmission gear in above-mentioned several embodiments, transmission efficiency is high, and intensity might as well, use the longevity
Life length.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to attached drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the range of claims.
Claims (10)
1. a kind of transmission gear that transmission efficiency is high, including ontology and the transmission teeth portion for being located at the body peripheral, feature exists
In the transmission teeth portion includes the first transmission teeth portion and axially adjacent the second transmission teeth portion being located in the first transmission teeth portion, institute
Stating the first transmission teeth portion includes the first tooth socket being spaced apart, and the first tooth socket is a part of worm gear tooth socket, second transmission
Teeth portion includes the second tooth socket being spaced apart, and the second tooth socket is a part of helical teeth tooth socket, first tooth socket and described second
Tooth socket connection.
2. the high transmission gear of transmission efficiency as described in claim 1, which is characterized in that the first transmission teeth portion includes the
One gear teeth, first gear teeth include base tooth and the extension tooth extending radially outward by the base tooth.
3. the high transmission gear of transmission efficiency as described in claim 1, which is characterized in that first tooth socket and the second tooth socket
The side of connection is the inner end of the first tooth socket, and the outer end of the first tooth socket is closing.
4. the high transmission gear of transmission efficiency as claimed in claim 2, which is characterized in that the second transmission teeth portion includes the
The tooth top of two gear teeth, the base tooth and the second gear teeth junction and the tooth top flush of second gear teeth.
5. the high transmission gear of transmission efficiency as described in claim 1, which is characterized in that the axial direction of the first transmission teeth portion
Length is L1, and the axial length of the second transmission teeth portion is L2, and the L1:L2 meets 0.8≤L1:L2≤3.
6. the high transmission gear of transmission efficiency as claimed in claim 5, which is characterized in that the L1=L2.
7. the high transmission gear of transmission efficiency as described in claim 1 to 6 any one, which is characterized in that described first passes
Movable tooth portion is structure as a whole with the second transmission teeth portion.
8. the high transmission gear of transmission efficiency as described in claim 1 to 6 any one, which is characterized in that described first passes
Movable tooth portion and the second transmission teeth portion are mutually indepedent, and the first transmission teeth portion is fixedly connected with the second transmission teeth portion.
9. the high transmission gear of transmission efficiency as described in claim 1 to 6 any one, which is characterized in that the driving cog
Portion is structure as a whole with the ontology；Or, the first transmission teeth portion and the second transmission teeth portion, one of them and the ontology one
Body structure, another is fixedly connected with ontology.
10. a kind of linear actuators, including motor, motor is connected with geared worm, and the geared worm is engaged with transmission gear,
The transmission gear is connected with telescopic component, which is characterized in that the transmission gear is using any one of claim 1 to 9
The transmission gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417370.9A CN108999953B (en) | 2017-06-06 | 2017-06-06 | Transmission gear and linear actuator with high transmission efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417370.9A CN108999953B (en) | 2017-06-06 | 2017-06-06 | Transmission gear and linear actuator with high transmission efficiency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108999953A true CN108999953A (en) | 2018-12-14 |
| CN108999953B CN108999953B (en) | 2024-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710417370.9A Active CN108999953B (en) | 2017-06-06 | 2017-06-06 | Transmission gear and linear actuator with high transmission efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999953B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869466A (en) * | 2019-03-20 | 2019-06-11 | 盐城瑞升齿轮有限公司 | High-speed transplanter transmission gear structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980060130A (en) * | 1996-12-31 | 1998-10-07 | 박병재 | Gear |
| JP2006117037A (en) * | 2004-10-20 | 2006-05-11 | Toyota Motor Corp | Vehicular steering system |
| JP2009008201A (en) * | 2007-06-29 | 2009-01-15 | Toyoda Gosei Co Ltd | Worm gear device |
| CN102182813A (en) * | 2009-12-21 | 2011-09-14 | 日立汽车系统株式会社 | Worm wheel, power steering apparatus, and method of forming the worm wheel |
| JP2012112417A (en) * | 2010-11-22 | 2012-06-14 | Jtekt Corp | Reduction gear and method for manufacturing the same, and electric power steering device |
| CN203176139U (en) * | 2013-01-16 | 2013-09-04 | 上海索达传动机械有限公司 | Heavy truck, speed changer and secondary shaft of gearbox |
| DE102014205146A1 (en) * | 2014-03-19 | 2015-09-24 | Robert Bosch Gmbh | Spur gear for a worm gear, gear drive device with a spur gear and method for mounting a gear drive device |
| KR20170138659A (en) * | 2016-06-08 | 2017-12-18 | 주식회사 만도 | Reducer of Power Steering Apparatus for Vehicle |
| CN207316029U (en) * | 2017-06-06 | 2018-05-04 | 浙江捷昌线性驱动科技股份有限公司 | The travelling gear and linear actuators of a kind of transmission efficiency |
-
2017
- 2017-06-06 CN CN201710417370.9A patent/CN108999953B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980060130A (en) * | 1996-12-31 | 1998-10-07 | 박병재 | Gear |
| JP2006117037A (en) * | 2004-10-20 | 2006-05-11 | Toyota Motor Corp | Vehicular steering system |
| JP2009008201A (en) * | 2007-06-29 | 2009-01-15 | Toyoda Gosei Co Ltd | Worm gear device |
| CN102182813A (en) * | 2009-12-21 | 2011-09-14 | 日立汽车系统株式会社 | Worm wheel, power steering apparatus, and method of forming the worm wheel |
| JP2012112417A (en) * | 2010-11-22 | 2012-06-14 | Jtekt Corp | Reduction gear and method for manufacturing the same, and electric power steering device |
| CN203176139U (en) * | 2013-01-16 | 2013-09-04 | 上海索达传动机械有限公司 | Heavy truck, speed changer and secondary shaft of gearbox |
| DE102014205146A1 (en) * | 2014-03-19 | 2015-09-24 | Robert Bosch Gmbh | Spur gear for a worm gear, gear drive device with a spur gear and method for mounting a gear drive device |
| KR20170138659A (en) * | 2016-06-08 | 2017-12-18 | 주식회사 만도 | Reducer of Power Steering Apparatus for Vehicle |
| CN207316029U (en) * | 2017-06-06 | 2018-05-04 | 浙江捷昌线性驱动科技股份有限公司 | The travelling gear and linear actuators of a kind of transmission efficiency |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869466A (en) * | 2019-03-20 | 2019-06-11 | 盐城瑞升齿轮有限公司 | High-speed transplanter transmission gear structure |
| CN109869466B (en) * | 2019-03-20 | 2024-04-12 | 金华市源宝农业机械设备有限公司 | Speed change gear structure of high-speed rice transplanter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108999953B (en) | 2024-05-28 |
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