CN203730696U - Meshing gear of transmission of tractor - Google Patents
Meshing gear of transmission of tractor Download PDFInfo
- Publication number
- CN203730696U CN203730696U CN201420115967.XU CN201420115967U CN203730696U CN 203730696 U CN203730696 U CN 203730696U CN 201420115967 U CN201420115967 U CN 201420115967U CN 203730696 U CN203730696 U CN 203730696U
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- CN
- China
- Prior art keywords
- lip ring
- gear body
- guide portion
- gear
- annular
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- 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.)
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Abstract
The utility model belongs to the technical field of transmission fittings and particularly relates to a meshing gear of a transmission of a tractor. The meshing gear is used for solving the technical problems in the prior art that the service life is short and the like. According to the meshing gear, one end of a gear body is provided with a guiding part, a first annular seal is arranged on the internal wall of one end, far away from the gear body, of the guiding part, one end, far away from the guiding part, of the gear body is provided with a second annular seal, a plurality of annular oil storage grooves which are uniformly distributed along the axial direction of an axial hole at intervals are formed in the internal wall of the axial hole, every two adjacent oil storage grooves are communicated through a communicating groove, and the depth of each communicating groove is smaller than that of each annular oil storage groove. Compared with the prior art, the meshing gear has the advantages that the assembly is easy and the service life is long.
Description
Technical field
The utility model belongs to speed changer accessory technical field, especially relates to a kind of tractor speed changer engaging gear.
Background technique
Speed changer is can fix or stepping changes the gear drive of output shaft and input shaft velocity ratio, claim again gearbox, for changing the device of the machine run speed such as lathe, automobile, tractor or tractive force, the gears different by many diameter form, and are conventionally contained between the driving shaft and driven shaft of motor.Further, speed changer is made up of driving mechanism and gear, can be made into independent gear or attaches together in same housing with driving mechanism.The large multiplex ordinary gear transmission of driving mechanism, what also have uses Planetary Gear Transmission.Ordinary gear transmission shifting mechanism is generally used shifting slide gear and clutch etc.; Engaging gear is generally set on line shaft, it is indispensable parts in speed changer, is mainly used in realizing the speed change of multiple gears, and it exists following defect existing engaging gear: be difficult for installation and rear engagement contact ratio is installed low, be easy to wearing and tearing and working life short, cannot meet usage requirement.
Model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of simple in structure and can increase the service life tractor speed changer engaging gear long.
For achieving the above object, the utility model has adopted following technical proposal: this tractor speed changer engaging gear comprises gear body, axial centre at gear body is provided with axis hole, be provided with at the sidepiece of gear body the teeth that some even circumferentials distribute, two ends in each teeth have respectively curve slope, be respectively equipped with the corresponding annular lightening grooves arranging at the two ends of gear body, on gear body, be also provided with the through hole that some even circumferentials distribute and are communicated with described annular lightening grooves respectively, also have with this gear body and be connected as a single entity and tubular guide portion in one end of gear body, described guide portion has the first lip ring away from one end inwall of gear body, on guide portion, be provided with the first annular positioning step embedding for the first described lip ring, the inner of the first lip ring is resisted against on the first annular positioning step, outer end flushes with guide portion, described guide portion one end has at least one first circumferential locating slot, have and first positioning body that can be stuck in the first described circumferential locating slot at the sidepiece of the first lip ring, there is the second lip ring at gear body away from one end of guide portion, described gear body is provided with the second circular orientation step that is positioned at axis hole aperture place and embeds for the second described lip ring, second described lip ring the inner is resisted against on the second circular orientation step, outer end flushes with gear body, the one end that is positioned at the second lip ring at axis hole is provided with at least one second locating slot, be provided with the inner at the sidepiece of the second lip ring and can insert in the directed flat key in the second described locating slot, the outer end of directed flat key extends to outside the second lip ring, described shaft hole inner wall is provided with some along the equally distributed annular oil storage tank of axis hole axially spaced-apart, and be communicated with by connectivity slot between two adjacent oil storage tanks, the groove depth of described connectivity slot is less than the groove depth of annular oil storage tank, described guide portion is provided with oriented structure away from one end of gear body.Top in each teeth has plane.
In this application, curve slope and plane can improve the contact ratio of gear engagement, ensure the stability of engagement; The effect of oil storage tank and connectivity slot is to store lubricant oil, and can further extend the application's working life by the first lip ring and the second lip ring; Secondly, directed flat key has two effects: for by fixing between guide portion and the second lip ring with for by fixing between guide portion and line shaft.
In above-mentioned tractor speed changer engaging gear, described oriented structure comprises the locator projections being arranged on guide portion.Locator projections has two effects: the directed effect with strengthening.
In above-mentioned tractor speed changer engaging gear, described directed flat key comprises the first key piece that can insert in the second described locating slot, on first key piece, be provided with for inserting in the second key piece in line shaft keyway described first key piece and the second key piece formula that is connected as a single entity.
In above-mentioned tractor speed changer engaging gear, the first described lip ring inner side surface is provided with at least one first annular seal lip; The second described lip ring inner side surface is provided with at least one second annular seal lip.
Compared with prior art, the advantage of this tractor speed changer engaging gear is: 1, simple in structure and be easy to manufacture, can improve efficiency of assembling; 2, curve slope can improve the contact ratio of gear engagement, ensures the stability of engagement; The effect of oil storage tank and connectivity slot is to store lubricant oil, and can further extend the application's working life by the first lip ring and the second lip ring; Secondly, directed flat key has two effects: for by fixing between guide portion and the second lip ring and fixing for by between guide portion and line shaft, and guarantee working life.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram that the utility model provides.
In figure, gear body 1, teeth 1a, curve slope 1b, axis hole 11, annular lightening grooves 12, through hole 13, the second circular orientation step 14, the second locating slot 15, annular oil storage tank 16, connectivity slot 17, guide portion 2, the first annular positioning step 21, the first circumferential locating slot 22, locator projections 23, the first lip ring 3, the first positioning body 31, the first annular seal lip 32, the second lip ring 4, the second annular seal lip 41, directed flat key 5, first key piece 51, the second key piece 52.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, this tractor speed changer engaging gear comprises gear body 1, be provided with axis hole 11 in the axial centre of gear body 1, be provided with at the sidepiece of gear body 1 the teeth 1a that some even circumferentials distribute, two ends at each teeth 1a have respectively curve slope 1b, top in each teeth has plane, this curve slope can improve the contact ratio of gear engagement, ensure the stability of engagement, be respectively equipped with the corresponding annular lightening grooves 12 arranging at the two ends of gear body 1, on gear body 1, be also provided with the through hole 13 that some even circumferentials distribute and are communicated with described annular lightening grooves 12 respectively, also have with this gear body 1 and be connected as a single entity and tubular guide portion 2 in one end of gear body 1, described guide portion 2 has the first lip ring 3 away from one end inwall of gear body 1, on guide portion 2, be provided with the first annular positioning step 21 embedding for the first described lip ring 3, the inner of the first lip ring 3 is resisted against on the first annular positioning step 21, outer end flushes with guide portion 2, described guide portion 2 one end have at least one first circumferential locating slot 22, have and first positioning body 31 that can be stuck in the first described circumferential locating slot 22 at the sidepiece of the first lip ring 3, there is the second lip ring 4 at gear body 1 away from one end of guide portion 2, described gear body 1 is provided with the second circular orientation step 14 that is positioned at axis hole 11 aperture places and embeds for the second described lip ring 4, second described lip ring 4 the inners are resisted against on the second circular orientation step 14, outer end flushes with gear body 1, the one end that is positioned at the second lip ring 4 at axis hole 11 is provided with at least one second locating slot 15, be provided with the inner at the sidepiece of the second lip ring 4 and can insert in the directed flat key 5 in the second described locating slot 15, the outer end of directed flat key 5 extends to outside the second lip ring 4, described axis hole 11 inwalls are provided with some along the equally distributed annular oil storage tank 16 of axis hole 11 axially spaced-apart, and be communicated with by connectivity slot 17 between two adjacent oil storage tanks, the groove depth of described connectivity slot 17 is less than the groove depth of annular oil storage tank 16, described guide portion 2 is provided with oriented structure away from one end of gear body 1,
Optimized project, the oriented structure of the present embodiment comprises the locator projections 23 being arranged on guide portion 2; Secondly, directed flat key 5 comprises the first key piece 51 that can insert in the second described locating slot 15, is provided with for inserting in the second key piece 52 in line shaft keyway described first key piece 51 and the second key piece 52 formula that is connected as a single entity on first key piece 51.
On first lip ring 3 inner side surfaces of the present embodiment, be provided with at least one first annular seal lip 32; The second described lip ring 4 inner side surfaces are provided with at least one second annular seal lip 41.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used gear body 1 herein, teeth 1a, curve slope 1b, axis hole 11, annular lightening grooves 12, through hole 13, the second circular orientation step 14, the second locating slot 15, annular oil storage tank 16, connectivity slot 17, guide portion 2, the first annular positioning step 21, the first circumferential locating slot 22, locator projections 23, the first lip ring 3, the first positioning body 31, the first annular seal lip 32, the second lip ring 4, the second annular seal lip 41, directed flat key 5, first key piece 51, the second key piece 52 terms such as grade, but do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (4)
1. a tractor speed changer engaging gear, comprise gear body (1), be provided with axis hole (11) in the axial centre of gear body (1), be provided with at the sidepiece of gear body (1) teeth (1a) that some even circumferentials distribute, it is characterized in that, there is respectively curve slope (1b) at the two ends of each teeth (1a), be respectively equipped with the corresponding annular lightening grooves (12) arranging at the two ends of gear body (1), on gear body (1), be also provided with the through hole (13) that some even circumferentials distribute and are communicated with described annular lightening grooves (12) respectively, also have with this gear body (1) and be connected as a single entity and tubular guide portion (2) in one end of gear body (1), described guide portion (2) has the first lip ring (3) away from one end inwall of gear body (1), on guide portion (2), be provided with the first annular positioning step (21) embedding for described the first lip ring (3), the inner of the first lip ring (3) is resisted against on the first annular positioning step (21), outer end flushes with guide portion (2), described guide portion (2) one end has at least one first circumferential locating slot (22), have and first positioning body (31) that can be stuck in the first described circumferential locating slot (22) at the sidepiece of the first lip ring (3), there is the second lip ring (4) at gear body (1) away from one end of guide portion (2), described gear body (1) is provided with the second circular orientation step (14) that is positioned at axis hole (11) aperture place and embeds for described the second lip ring (4), described the second lip ring (4) the inner is resisted against on the second circular orientation step (14), outer end flushes with gear body (1), the one end that is positioned at the second lip ring (4) at axis hole (11) is provided with at least one second locating slot (15), be provided with the inner at the sidepiece of the second lip ring (4) and can insert in the directed flat key (5) in described the second locating slot (15), the outer end of directed flat key (5) extends to outside the second lip ring (4), described axis hole (11) inwall is provided with some along axis hole (11) the equally distributed annular oil storage tank of axially spaced-apart (16), and be communicated with by connectivity slot (17) between adjacent two oil storage tanks (), the groove depth of described connectivity slot (17) is less than the groove depth of annular oil storage tank (16), described guide portion (2) is provided with oriented structure away from one end of gear body (1).
2. tractor speed changer engaging gear according to claim 1, is characterized in that, described oriented structure comprises the locator projections (23) being arranged on guide portion (2).
3. tractor speed changer engaging gear according to claim 1 and 2, it is characterized in that, described directed flat key (5) comprises the first key piece (51) that can insert in described the second locating slot (15), on first key piece (51), be provided with for inserting in the second key piece (52) in line shaft keyway described first key piece (51) and the second key piece (52) formula that is connected as a single entity.
4. tractor speed changer engaging gear according to claim 1 and 2, is characterized in that, described the first lip ring (3) inner side surface is provided with at least one first annular seal lip (32); Described the second lip ring (4) inner side surface is provided with at least one second annular seal lip (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115967.XU CN203730696U (en) | 2014-03-14 | 2014-03-14 | Meshing gear of transmission of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115967.XU CN203730696U (en) | 2014-03-14 | 2014-03-14 | Meshing gear of transmission of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730696U true CN203730696U (en) | 2014-07-23 |
Family
ID=51200772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420115967.XU Expired - Fee Related CN203730696U (en) | 2014-03-14 | 2014-03-14 | Meshing gear of transmission of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730696U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154212A (en) * | 2014-07-29 | 2014-11-19 | 姚飞燕 | Connecting gear of agricultural power source |
| CN105909758A (en) * | 2016-05-17 | 2016-08-31 | 苏州威富达精密机械制造有限公司 | Intermediate straight gear |
| CN109690140A (en) * | 2016-07-21 | 2019-04-26 | 乌本产权有限公司 | Geared system, the geared system of connecting mechanism for rotating particularly for wind energy plant, the wind energy plant with geared system and for the sealing element of geared system |
-
2014
- 2014-03-14 CN CN201420115967.XU patent/CN203730696U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154212A (en) * | 2014-07-29 | 2014-11-19 | 姚飞燕 | Connecting gear of agricultural power source |
| CN104154212B (en) * | 2014-07-29 | 2016-08-24 | 魏洪校 | The connection gear in farm power source |
| CN105909758A (en) * | 2016-05-17 | 2016-08-31 | 苏州威富达精密机械制造有限公司 | Intermediate straight gear |
| CN109690140A (en) * | 2016-07-21 | 2019-04-26 | 乌本产权有限公司 | Geared system, the geared system of connecting mechanism for rotating particularly for wind energy plant, the wind energy plant with geared system and for the sealing element of geared system |
| US11248679B2 (en) | 2016-07-21 | 2022-02-15 | Wobben Properties Gmbh | Gear assembly for a rotary connection of a wind turbine, a wind turbine having same and a sealing element for same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20190314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |