CN213117413U - Gearbox oil pumping mechanism - Google Patents
Gearbox oil pumping mechanism Download PDFInfo
- Publication number
- CN213117413U CN213117413U CN202021835469.4U CN202021835469U CN213117413U CN 213117413 U CN213117413 U CN 213117413U CN 202021835469 U CN202021835469 U CN 202021835469U CN 213117413 U CN213117413 U CN 213117413U
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- closed cavity
- outer sleeve
- worm
- speed change
- gear set
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Abstract
The utility model relates to a gearbox oil pumping mechanism, its characterized in that: the transmission case comprises a transmission case shell and a gear set for speed change, wherein the gear set for speed change is arranged in the transmission case shell, a cavity for accommodating the gear set for speed change is a first closed cavity, lubricating oil is filled in the first closed cavity, a second closed cavity is arranged at the upper part of the transmission case shell, a deflector rod penetrates through the second closed cavity, the lower end of the deflector rod penetrates through a partition plate between the first closed cavity and the second closed cavity and extends into the first closed cavity, a through hole for penetrating the deflector rod is formed in the partition plate, and a gap is formed between the through hole and the deflector rod; the baffle plate is provided with an outer sleeve, the lower end of the outer sleeve extends to the bottom of the second closed cavity, the outer sleeve is internally provided with a rotatable screw rod, the lower end part of the screw rod is fixedly provided with a worm, and the worm is meshed with a worm wheel arranged on the gear set for speed change. The utility model discloses the gearbox is favorable to lubricating, cooling auxiliary component such as driving lever in the second closed cavity.
Description
The technical field is as follows:
the utility model relates to a gearbox oil pumping mechanism.
Background art:
the vehicle gearbox is used for adjusting the speed of a vehicle under different road conditions, a speed change gear set used in the gearbox is partially immersed in lubricating oil to realize oil cooling and lubrication, oil generally immersed in the speed change gear set is positioned at the bottom of the gearbox and does not cover the local part of the gear, and the lubricating oil is contained in the whole gearbox body along with the continuous rotation of the gear; however, the vertical shift lever for shifting the speed change gear set is not easily lubricated because part of the vertical shift lever is not located in the box body.
The invention content is as follows:
in view of the not enough of prior art, the utility model aims to solve the technical problem that a gearbox oil pumping mechanism is provided, this gearbox oil pumping mechanism reasonable in design is favorable to the auxiliary component with lubricated gearbox with the oil pump lift in the gearbox.
The utility model discloses gearbox oil pumping mechanism, its characterized in that: the transmission case comprises a transmission case shell and a gear set for speed change, wherein the gear set for speed change is arranged in the transmission case shell, a cavity for accommodating the gear set for speed change is a first closed cavity, lubricating oil is filled in the first closed cavity, a second closed cavity is arranged at the upper part of the transmission case shell, a deflector rod penetrates through the second closed cavity, the lower end of the deflector rod penetrates through a partition plate between the first closed cavity and the second closed cavity and extends into the first closed cavity, a through hole for penetrating the deflector rod is formed in the partition plate, and a gap is formed between the through hole and the deflector rod; the baffle plate is provided with an outer sleeve, the lower end of the outer sleeve extends to the bottom of the second closed cavity, the outer sleeve is internally provided with a rotatable screw rod, the lower end part of the screw rod is fixedly provided with a worm, and the worm is meshed with a worm wheel arranged on the gear set for speed change.
Furthermore, the upper part of the outer sleeve extends upwards to a hinge part close to the deflector rod.
Furthermore, the outer diameter of the worm is larger than that of the outer sleeve, the lower end part of the outer sleeve is provided with a plurality of rectangular grooves in an array mode, and the lower end face of the outer sleeve abuts against the upper side end face of the worm.
Furthermore, a threaded sleeve is fixed at the upper end of the screw rod, and a plane bearing is arranged between the lower end face of the threaded sleeve and the upper end face of the outer sleeve.
Furthermore, a plurality of oil overflow holes are distributed on the outer sleeve at the position in the second closed cavity.
The utility model discloses gearbox oil pumping mechanism's theory of operation, at the gear train during operation for the variable speed, worm wheel (with gearbox input shaft fixed connection) on the gear train for the variable speed lasts the rotation, worm with worm wheel meshing lasts the rotation promptly, it rotates to drive the screw rod that is located the overcoat promptly, because the thread groove has on the screw rod, the thread groove drives the oil promptly and lasts to remove from first closed cavity toward the second closed cavity under the continuous rotation of screw rod, and shift to the second closed cavity in the oil also through the clearance between through-hole and the driving lever flow in again in the first closed cavity, lubricate parts such as driving lever when the oil is exported from the overcoat promptly to being located the second closed cavity.
The utility model discloses gearbox oil pumping mechanism simple structure, reasonable in design not only are favorable to lubricating, cooling auxiliary component such as driving lever in the second closed cavity, also are favorable to carrying out wider suction activity to the oil of first closed cavity simultaneously, are favorable to the cooling of oil.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Description of the drawings:
FIG. 1 is a front sectional view of the oil pumping mechanism of the transmission of the present invention;
fig. 2 is a side view of a worm wheel and worm connection configuration.
The specific implementation mode is as follows:
in order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The utility model discloses gearbox oil pumping mechanism includes gearbox housing 1 and holds the for the speed change gear train 2 of putting in gearbox housing 1, and the cavity that should be used for holding the for the speed change gear train is first closed cavity 3, and it has lubricating oil 4 to fill in first closed cavity 3, gearbox housing 1 upper portion is equipped with second closed cavity 5, wear to be equipped with driving lever 6 in the second closed cavity 5, the lower extreme of driving lever 6 passes baffle 7 between first, the second closed cavity and stretches into in first closed cavity 3, have the through-hole 8 that is used for wearing to establish driving lever 6 on the baffle 7, have the clearance between through-hole 8 and the driving lever 6; an outer sleeve 10 with the lower end extending to the bottom of the second closed cavity is arranged on the partition plate 7, a rotatable screw rod 11 is sleeved in the outer sleeve, a worm 12 is fixedly arranged at the lower end of the screw rod 11, and the worm 12 is meshed with a worm wheel 13 arranged on the gear set 2 for speed change.
In order to make the hinged part of the deflector rod lubricated, the upper part of the outer sleeve extends upwards to be close to the hinged part of the deflector rod.
In order to make the oil pumped well, the outer diameter of the worm is larger than that of the outer sleeve, the lower end part of the outer sleeve is provided with a plurality of rectangular grooves 14 in an array, the lower end surface 15 of the outer sleeve abuts against the upper side end surface 16 of the worm and passes through the rectangular grooves 14 of the lower end part array of the outer sleeve, so that the oil is facilitated to enter the thread grooves of the screw 11 from the rectangular grooves 14 and is facilitated to be pumped.
Further, for reasonable design, the upper end of the screw rod is fixed with a threaded sleeve 17, a plane bearing 18 is arranged between the lower end face of the threaded sleeve and the upper end face of the outer sleeve, the screw rod can be fixed through the threaded sleeve 17 and fixed at a certain height position, the plane bearing 18 is arranged between the lower end face of the threaded sleeve and the upper end face of the outer sleeve, so that the screw rod can rotate smoothly, the axial positioning of the screw rod can be realized through the position positioning of the threaded sleeve 17 relative to the outer sleeve, and the radial positioning of the screw rod can be realized through the clearance fit of the outer diameter of the screw rod and the wall face of the inner hole of the outer sleeve.
Furthermore, in order to better lubricate the inner wall of the second closed cavity, a plurality of oil spilling holes 19 are distributed on the outer sleeve at the position in the second closed cavity.
The utility model discloses gearbox oil pumping mechanism's theory of operation, at the gear train during operation for the variable speed, worm wheel (with gearbox input shaft fixed connection) on the gear train for the variable speed lasts the rotation, worm with worm wheel meshing lasts the rotation promptly, it rotates to drive the screw rod that is located the overcoat promptly, because the thread groove has on the screw rod, the thread groove drives the oil promptly and lasts to remove from first closed cavity toward the second closed cavity under the continuous rotation of screw rod, and shift to the second closed cavity in the oil also through the clearance between through-hole and the driving lever flow in again in the first closed cavity, lubricate parts such as driving lever when the oil is exported from the overcoat promptly to being located the second closed cavity.
The utility model discloses gearbox oil pumping mechanism simple structure, reasonable in design not only are favorable to lubricating, cooling auxiliary component such as driving lever in the second closed cavity, also are favorable to carrying out wider suction activity to the oil of first closed cavity simultaneously, are favorable to the cooling of oil.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (5)
1. A gearbox oil pumping mechanism is characterized in that: the transmission case comprises a transmission case shell and a gear set for speed change, wherein the gear set for speed change is arranged in the transmission case shell, a cavity for accommodating the gear set for speed change is a first closed cavity, lubricating oil is filled in the first closed cavity, a second closed cavity is arranged at the upper part of the transmission case shell, a deflector rod penetrates through the second closed cavity, the lower end of the deflector rod penetrates through a partition plate between the first closed cavity and the second closed cavity and extends into the first closed cavity, a through hole for penetrating the deflector rod is formed in the partition plate, and a gap is formed between the through hole and the deflector rod; the baffle plate is provided with an outer sleeve, the lower end of the outer sleeve extends to the bottom of the second closed cavity, the outer sleeve is internally provided with a rotatable screw rod, the lower end part of the screw rod is fixedly provided with a worm, and the worm is meshed with a worm wheel arranged on the gear set for speed change.
2. The gearbox oil pumping mechanism of claim 1, wherein: the upper part of the outer sleeve extends upwards to a hinge part close to the shift lever.
3. The gearbox oil pumping mechanism of claim 1, wherein: the outer diameter of the worm is larger than that of the outer sleeve, the lower end portion of the outer sleeve is provided with a plurality of rectangular grooves in an array mode, and the lower end face of the outer sleeve abuts against the upper side end face of the worm.
4. The gearbox oil pumping mechanism of claim 1, wherein: the upper end of the screw rod is fixed with a threaded sleeve, and a plane bearing is arranged between the lower end face of the threaded sleeve and the upper end face of the outer sleeve.
5. The gearbox oil pumping mechanism of claim 1, wherein: and a plurality of oil overflow holes are distributed on the outer sleeve at the position in the second closed cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835469.4U CN213117413U (en) | 2020-08-28 | 2020-08-28 | Gearbox oil pumping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835469.4U CN213117413U (en) | 2020-08-28 | 2020-08-28 | Gearbox oil pumping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117413U true CN213117413U (en) | 2021-05-04 |
Family
ID=75657079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021835469.4U Active CN213117413U (en) | 2020-08-28 | 2020-08-28 | Gearbox oil pumping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117413U (en) |
-
2020
- 2020-08-28 CN CN202021835469.4U patent/CN213117413U/en active Active
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