CN214092959U - Mechanical oil pump and gearbox - Google Patents
Mechanical oil pump and gearbox Download PDFInfo
- Publication number
- CN214092959U CN214092959U CN202022590277.8U CN202022590277U CN214092959U CN 214092959 U CN214092959 U CN 214092959U CN 202022590277 U CN202022590277 U CN 202022590277U CN 214092959 U CN214092959 U CN 214092959U
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- oil pump
- transmission gear
- gearbox
- mechanical oil
- driving shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 101
- 230000008859 change Effects 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 abstract description 11
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 126
- 238000005461 lubrication Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a mechanical oil pump and gearbox belongs to car technical field. This mechanical oil pump includes: an oil pump body having a drive shaft; the transmission gear is coaxially sleeved on the part of the driving shaft, which is positioned outside the oil pump body, and is circumferentially fixed with the driving shaft, and the transmission gear is used for being meshed with a speed change gear in the gearbox; the connecting piece is located on the shell of the oil pump body, and the connecting piece is used for being detachably connected with the inner wall of the gearbox. The mechanical oil pump transmission device can reduce the occupied space of the mechanical oil pump in the transmission case, and meets the arrangement requirement and the lubricating and cooling functions of the transmission case.
Description
Technical Field
The disclosure relates to the technical field of automobiles, in particular to a mechanical oil pump and a gearbox.
Background
In a special gearbox for a hybrid electric vehicle, equipment such as a motor, a plurality of clutches, a shaft gear system, an oil pump system, a gear shifting synchronizer, a hydraulic parking mechanism and the like needs to be integrated. The rotation of the output shaft of the motor, the separation, combination and cooling of the clutch, the operation of the parking mechanism, and the cooling of components such as shaft teeth and bearings in the transmission require lubrication with lubricating oil.
In the related art, lubrication is usually provided to various devices of the transmission by a mechanical oil pump to meet the lubrication and cooling requirements of clutches, synchronizers, motors, gears and bearings. The mechanical oil pump is fixedly arranged in the gearbox shell through a special oil pump support, a driving shaft of the mechanical oil pump is coaxially connected with an input shaft of the gearbox, and the input shaft of the gearbox drives the driving shaft of the mechanical oil pump to rotate, so that lubricating oil is supplied to each device in the gearbox through the mechanical oil pump.
However, a plurality of motors, a plurality of actuators and a plurality of shafting are integrated in the gearbox of the hybrid power system, so that the installation space of the mechanical oil pump in the gearbox is small, the mechanical oil pump is inconvenient to install, and the lubrication and cooling of the gearbox are affected.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a mechanical oil pump and a gearbox, which can reduce the occupied space of the mechanical oil pump in the gearbox and meet the arrangement requirement and the lubricating and cooling functions of the gearbox. The technical scheme is as follows:
the embodiment of the present disclosure provides a mechanical oil pump, mechanical oil pump includes: an oil pump body having a drive shaft; the transmission gear is coaxially sleeved on the part of the driving shaft, which is positioned outside the oil pump body, and is circumferentially fixed with the driving shaft, and the transmission gear is used for being meshed with a speed change gear in the gearbox; the connecting piece is located on the shell of the oil pump body, and the connecting piece is used for being detachably connected with the inner wall of the gearbox.
In one implementation manner of the embodiment of the present disclosure, a connecting protrusion is disposed on an inner wall surface of an inner hole of the transmission gear, a connecting groove matched with the connecting protrusion is disposed on an outer wall surface of the driving shaft, and the transmission gear and the driving shaft are circumferentially fixed by the connecting protrusion and the connecting groove; or the inner wall surface of the inner hole of the transmission gear is provided with a connecting groove, the outer wall surface of the driving shaft is provided with a connecting bulge matched with the connecting groove, and the transmission gear and the driving shaft are circumferentially fixed through the connecting bulge and the connecting groove.
In another implementation manner of the embodiment of the present disclosure, an inner spline is disposed in an inner hole of the transmission gear, an outer spline is disposed on an outer wall surface of the driving shaft, and the transmission gear and the driving shaft are circumferentially fixed by the inner spline and the outer spline.
In another implementation manner of the embodiment of the present disclosure, two end surfaces of the transmission gear are respectively provided with a supporting cylinder extending along an axial direction of the transmission gear, the supporting cylinders are coaxial with an inner hole of the transmission gear, the driving shaft simultaneously penetrates through the transmission gear and the supporting cylinders, and an outer wall surface of the supporting cylinders is sleeved with a bearing.
In another implementation of the disclosed embodiment, the bearing is a deep groove ball bearing.
In another implementation manner of the embodiment of the present disclosure, the connecting member includes a connecting arm, and a connecting structure for detachably connecting with an inner wall of the transmission case is provided at one end of the connecting arm away from the housing of the oil pump body.
In another implementation manner of the embodiment of the disclosure, there are a plurality of the connecting arms, and the plurality of the connecting arms are circumferentially arranged on the outer shell of the oil pump body at intervals.
In another implementation manner of the embodiment of the present disclosure, the connection structure includes a connection hole, a positioning pin sleeve is coaxially inserted into the connection hole, and at least one end of the positioning pin sleeve extends out of the connection hole.
In another implementation manner of the embodiment of the disclosure, the mechanical oil pump further includes an oil blocking cover, the oil blocking cover is covered outside the transmission gear, part of gear teeth of the transmission gear are located outside the oil blocking cover, and the oil blocking cover is connected with the shell of the oil pump body.
The disclosed embodiment provides a gearbox comprising the mechanical oil pump described hereinbefore.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
the mechanical oil pump provided by the embodiment of the disclosure comprises an oil pump body and a transmission gear, wherein the transmission gear is positioned outside the oil pump body and coaxially sleeved on a driving shaft, and meanwhile, the transmission gear is circumferentially fixed with the driving shaft, so that when the transmission gear rotates, the driving shaft can be driven to rotate. The transmission gear is meshed with a speed change gear in the gearbox, namely, a driving shaft of the mechanical oil pump is coaxially connected with an input shaft of the gearbox, the driving shaft of the mechanical oil pump and the input shaft of the gearbox are arranged in parallel, and the transmission gear is meshed with the speed change gear on the input shaft of the gearbox, so that power on the input shaft of the gearbox is transmitted to the driving shaft of the oil pump body, the mechanical oil pump is driven to supply oil, and the purposes of lubrication and cooling are achieved. Because the oil pump body no longer sets up coaxially on the input shaft of gearbox, but arranges in one side of input shaft for mechanical oil pump no longer occupies the axial dimensions of gearbox, is convenient for provide sufficient space for parts such as integrated a plurality of motors in the gearbox, shafting, and one side in the gearbox has sufficient space to supply mechanical oil pump installation, can satisfy arranging the demand and lubricating and cooling function of gearbox. And, still through the direct inner wall connection with the gearbox of the connecting piece that sets up on the shell of oil pump body to install the oil pump body on the gearbox, therefore need not to set up dedicated support for the oil pump body, thereby further reduce the space of mechanical oil pump in the gearbox and account for the ratio.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a mechanical oil pump according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a mechanical oil pump provided in an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of an assembly of a mechanical oil pump and a transmission provided by an embodiment of the present disclosure;
FIG. 4 is a cross-sectional view of a drive gear provided by an embodiment of the present disclosure.
The respective symbols in the drawings are explained as follows:
1-an oil pump body, 11-a driving shaft, 12-a connecting support arm, 13-a connecting hole, 14-a positioning pin sleeve, 15-an oil pipe interface and 16-a suction filter interface;
2-drive gear, 21-internal spline, 22-support cylinder, 23-bearing;
3-oil blocking cover;
a-gear box and B-input shaft.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
Fig. 1 is a schematic perspective view of a mechanical oil pump according to an embodiment of the present disclosure. As shown in fig. 1, the mechanical oil pump includes: the oil pump comprises an oil pump body 1, a transmission gear 2 and a connecting piece.
Wherein the oil pump body 1 has a drive shaft 11.
Fig. 2 is a schematic structural diagram of a mechanical oil pump according to an embodiment of the present disclosure. As shown in fig. 1 and 2, the transmission gear 2 is coaxially sleeved on a portion of the drive shaft 11 outside the oil pump body 1, and the transmission gear 2 and the drive shaft 11 are circumferentially fixed.
Fig. 3 is an assembly schematic diagram of a mechanical oil pump and a transmission provided by the embodiment of the disclosure. As shown in fig. 3, the transmission gear 2 is used to mesh with a change gear in the gearbox a.
Wherein, the connecting piece is located oil pump body 1's shell, and the connecting piece is used for dismantling with gearbox A's inner wall and is connected.
The mechanical oil pump provided by the embodiment of the disclosure comprises an oil pump body 1 and a transmission gear 2, wherein the transmission gear 2 is positioned outside the oil pump body 1 and coaxially sleeved on a driving shaft 11, and meanwhile, the transmission gear 2 is circumferentially fixed with the driving shaft 11, so that the driving shaft 11 can be driven to rotate when the transmission gear 2 rotates. Because the transmission gear 2 is meshed with a speed change gear in the gearbox A, namely, the mode that the driving shaft 11 of the mechanical oil pump is coaxially connected with the input shaft B of the gearbox A is improved to the mode that the driving shaft 11 of the mechanical oil pump and the input shaft B of the gearbox A are arranged in parallel, and the transmission gear 2 is meshed with the speed change gear on the input shaft B of the gearbox A, the power on the input shaft B of the gearbox A is transmitted to the driving shaft 11 of the oil pump body 1, the mechanical oil pump is driven to supply oil, and the purposes of lubrication and cooling are achieved. Because oil pump body 1 no longer sets up coaxially on gearbox A's input shaft B, but arranges in one side of input shaft B for mechanical oil pump no longer occupies gearbox A's axial dimensions, is convenient for provide sufficient space for parts such as integrated a plurality of motors in gearbox A, shafting, and one side in the gearbox A has sufficient space to supply mechanical oil pump installation, can satisfy gearbox A's the demand of arranging and lubrication and cooling function. And, still through setting up the direct inner wall with gearbox A of connecting piece on the shell with oil pump body 1 and be connected to install oil pump body 1 on gearbox A, therefore need not to set up dedicated support for oil pump body 1, thereby further reduce the space of mechanical oil pump in gearbox A and account for the ratio.
In the embodiment of the present disclosure, the transmission gear 2 and the driving shaft 11 may be circumferentially fixed by fixing an inner hole of the transmission gear 2 on an outer wall of the driving shaft 11.
In some implementations, the inner wall surface of the inner hole of the transmission gear 2 is provided with a connecting protrusion, the outer wall surface of the driving shaft 11 is provided with a connecting groove matched with the connecting protrusion, and the transmission gear 2 and the driving shaft 11 are circumferentially fixed through the connecting protrusion and the connecting groove. Namely, when the transmission gear 2 is sleeved on the driving shaft 11, the connecting bulge can be inserted into the connecting groove, the connecting bulge is limited in the connecting groove, and the connecting bulge is prevented from rotating relative to the connecting groove, so that the transmission gear 2 is prevented from rotating relative to the driving shaft 11 in the circumferential direction, and the driving shaft 11 can be driven to rotate together when the transmission gear 2 transmits, and the mechanical oil pump is driven to supply oil.
Exemplarily, fig. 4 is a cross-sectional view of a transmission gear 2 provided by the embodiment of the present disclosure. As shown in fig. 4, the inner bore of the transmission gear 2 is provided with an internal spline 21, and the transmission gear 2 and the drive shaft 11 are circumferentially fixed by the internal spline 21 and the external spline. That is, a plurality of circumferentially and uniformly distributed connecting protrusions are arranged in the inner hole of the transmission gear 2, and each connecting protrusion extends along the radial direction of the inner hole of the transmission gear 2 to form the internal spline 21.
Accordingly, the outer wall surface of the drive shaft 11 may be provided with an external spline, that is, the outer wall surface of the drive shaft 11 may be provided with a plurality of circumferentially uniform connecting grooves, and each connecting groove extends in the radial direction of the drive shaft 11 to constitute the external spline.
The internal spline 21 on the inner hole of the transmission gear 2 is matched with the external spline on the outer wall surface of the driving shaft 11 to prevent the transmission gear 2 from rotating circumferentially relative to the driving shaft 11, and when the transmission gear 2 transmits, the transmission gear 2 can drive the driving shaft 11 to rotate together, so that the mechanical oil pump is driven to supply oil.
In other implementations, the inner wall surface of the inner hole of the transmission gear 2 is provided with a connection groove, the outer wall surface of the driving shaft 11 is provided with a connection protrusion matched with the connection groove, and the transmission gear 2 and the driving shaft 11 are circumferentially fixed through the connection protrusion and the connection groove. Namely, after the transmission gear 2 is sleeved on the driving shaft 11, the connecting protrusions can be inserted into the connecting grooves, the connecting protrusions are limited in the connecting grooves, and the connecting protrusions are prevented from rotating relative to the connecting grooves, so that the transmission gear 2 is prevented from rotating circumferentially relative to the driving shaft 11, and the driving shaft 11 can be driven to rotate together when the transmission gear 2 transmits, and oil supply of the mechanical oil pump is driven.
As shown in fig. 4, both end surfaces of the transmission gear 2 are provided with support cylinders 22 extending in the axial direction of the transmission gear 2, the support cylinders 22 are coaxial with the inner hole of the transmission gear 2, the drive shaft 11 simultaneously passes through the transmission gear 2 and the support cylinders 22, and the outer wall surface of the support cylinders 22 is sleeved with bearings 23.
Wherein, the supporting cylinder 22 of the transmission gear 2 is also sleeved with a bearing 23, the inner ring of the bearing 23 is sleeved on the supporting cylinder, and the outer ring of the bearing 23 can be inserted on the supporting component on the outer shell of the oil pump body 1. The bearing 23 is arranged on the bearing cylinder 22 of the transmission gear 2 to bear the load of the transmission gear 2, so as to support the transmission gear 2 and reduce the friction force in the transmission process of the transmission gear 2, thereby ensuring the revolution precision of the transmission gear 2.
Illustratively, as shown in fig. 3, the bearing 23 may be a deep groove ball bearing. The deep groove ball bearing is also provided with a rolling ball between the outer ring and the inner ring, and sliding friction between the inner ring and the outer ring is changed into rolling friction, so that friction loss is further reduced, and the rotation precision of the transmission gear 2 is ensured.
Alternatively, as shown in fig. 1 and 2, the linkage may include a connecting arm 12. Referring to fig. 3, a connecting structure for detachably connecting with the inner wall of the gearbox a is arranged at one end of the connecting arm 12 away from the outer shell of the oil pump body 1.
As shown in fig. 1, the connecting arm 12 is strip-shaped, one end of the connecting arm 12 is fixedly connected to the outer shell of the oil pump body 1, and the other end of the connecting arm 12 extends in a direction away from the oil pump body 1.
Furthermore, as shown in fig. 3, the connecting structure of the end of the connecting arm 12 away from the oil pump body 1 may be a connecting hole 13, the connecting hole 13 may be used for inserting a bolt, and the bolt may be screwed with a screw hole on the inner wall of the casing of the transmission a after passing through the connecting hole 13, so as to fixedly mount the oil pump body 1 in the casing of the transmission a.
The oil pump body 1 in the embodiment of the present disclosure directly connects the support arm 12 on the housing of the oil pump body 1 by setting up, and the housing of the oil pump body 1 and the housing of the transmission a are fixedly connected together, thereby avoiding the installation manner of fixing the oil pump body 1 on the transmission a by designing a dedicated oil pump bracket for a mechanical oil pump in the related art. Not only reduced the occupation space of mechanical oil pump, still need not the oil pump support for mechanical oil pump design, saved the cost.
Alternatively, the connecting arm 12 may be provided in plural, and the plural connecting arms 12 are circumferentially arranged on the outer shell of the oil pump body 1 at intervals. By arranging the plurality of connecting support arms 12, the plurality of connecting support arms 12 are connected with the shell of the gearbox, and the connection reliability of the shell of the oil pump body 1 and the shell of the gearbox is improved.
For example, as shown in fig. 1, there may be 3 connecting arms 12, 3 connecting arms 12 are circumferentially spaced on the outer shell of the oil pump body 1, and the arrangement angle between two adjacent connecting arms 12 may be 90 ° to 180 °. The 3 connecting support arms 12 can be fixed on the shell of the gearbox by bolts, so that the shell of the oil pump body 1 can be reliably connected with the shell of the gearbox.
As shown in fig. 1, a positioning pin sleeve 14 is coaxially inserted into the connecting hole 13, and at least one end of the positioning pin sleeve 14 extends out of the connecting hole 13. Wherein, the screw hole department of being connected with connecting support arm 12 on the casing of gearbox A can set up heavy platform, and this heavy platform can supply locating pin cover 14 cartridge. When the connecting support arm 12 is connected with the shell of the gearbox a, firstly, one end of the locating pin sleeve 14 on the connecting support arm 12 protruding out of the connecting hole 13 is inserted into the sinking platform, so that the connecting hole 13 of the connecting support arm 12 is accurately located at the screw hole on the shell of the gearbox a, and then, a bolt penetrates through the inner hole of the locating pin sleeve 14 and is in threaded connection with the screw hole, so that the connecting support arm 12 and the shell of the gearbox a are fixed together.
As shown in fig. 1 and 2, the mechanical oil pump may further include an oil baffle cover 3, the oil baffle cover 3 is covered outside the transmission gear 2, and part of the gear teeth of the transmission gear 2 are located outside the oil baffle cover 3, and the oil baffle cover 3 is connected to the outer shell of the oil pump body 1.
For example, as shown in fig. 1 and 2, the oil blocking cover 3 may be a semi-cylindrical structure with a hollow interior, and the cover of the semi-cylindrical structure is disposed outside the transmission gear 2 to prevent the lubricating oil from splashing when the transmission gear 2 rotates. Meanwhile, the oil cover is arranged to be a semi-cylindrical structure, so that enough gear teeth of the transmission gear 2 are positioned outside the oil cover 3, and the transmission gear 2 is meshed with a speed change gear of the gearbox.
The speed changing gear of the gearbox is a speed changing gear of different gears of an input shaft in the gearbox. For example, a first speed gear, a second speed gear, a third speed gear, etc. on the input shaft.
For example, as shown in fig. 3, the transmission gear 2 may mesh with a three-speed transmission gear. The three-gear speed change gear is powered by an engine or a motor, and the mechanical oil pump sucks oil from an oil pan through a filter and then discharges the oil to the main oil way. Can work at the temperature of-40 ℃ to 120 ℃, the rotating speed range of-3000 rpm to 7300rpm and the maximum oil pressure of 20 bar.
Because the input shaft of the gearbox is directly and coaxially connected with the output shaft of the engine, all the speed change gears of the gearbox synchronously rotate after the engine is started. Because the transmission gear is meshed with the speed changing gear, the mechanical oil pump can start to work after the engine is started, and oil is supplied to and lubricated each part in the gearbox.
Wherein, the oil baffle cover 3 can be assembled on the shell of the mechanical oil pump through 2 bolts. Finally, 3 connecting support arms 12 are fixed on the shell of the gearbox by using 3 bolts.
After the mechanical oil pump provided by the embodiment of the present disclosure is assembled, as shown in fig. 1, an oil pipe interface 15 of the mechanical oil pump is connected with the valve body assembly, and meanwhile, the suction filter in the transmission is connected with a suction filter interface 16 of the oil pump body 1. Forming a complete mechanical oil pump system. By this oil pump system, hydraulic oil is supplied to the hydraulic system, satisfying the execution requirements of the clutch and synchronizer, while satisfying the lubrication and cooling requirements of the two motors, the clutch, the gear and the bearing 23. In addition, the oil pump body 1 can be arranged at the lower part of a box body of the gearbox and is close to the valve body assembly, the oil suction path is short, the pressure loss is small, and the oil pump body 1 is independently assembled, is easy to assemble and disassemble and is suitable for batch production.
The disclosed embodiment provides a gearbox comprising a mechanical oil pump as described hereinbefore.
Although the present disclosure has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the disclosure.
Claims (10)
1. A mechanical oil pump, characterized in that the mechanical oil pump comprises:
an oil pump body (1) having a drive shaft (11);
the transmission gear (2) is coaxially sleeved on the part, located outside the oil pump body (1), of the driving shaft (11) and is circumferentially fixed with the driving shaft (11), and the transmission gear (2) is used for being meshed with a speed change gear in a gearbox;
the connecting piece is located on the shell of oil pump body (1), the connecting piece is used for dismantling with the inner wall of gearbox and is connected.
2. The mechanical oil pump according to claim 1, wherein an inner wall surface of an inner hole of the transmission gear (2) is provided with a connecting projection, an outer wall surface of the drive shaft (11) is provided with a connecting groove matched with the connecting projection, and the transmission gear (2) and the drive shaft (11) are circumferentially fixed through the connecting projection and the connecting groove; alternatively, the first and second electrodes may be,
the inner wall surface of the inner hole of the transmission gear (2) is provided with a connecting groove, the outer wall surface of the driving shaft (11) is provided with a connecting protrusion matched with the connecting groove, and the transmission gear (2) and the driving shaft (11) are circumferentially fixed through the connecting protrusion and the connecting groove.
3. The mechanical oil pump according to claim 1, characterized in that the inner bore of the transmission gear (2) is provided with an internal spline (21), the outer wall surface of the drive shaft (11) is provided with an external spline, and the transmission gear (2) and the drive shaft (11) are circumferentially fixed by the internal spline (21) and the external spline.
4. The mechanical oil pump according to claim 1, wherein both end faces of the transmission gear (2) are provided with supporting cylinders (22) extending in the axial direction of the transmission gear (2), the supporting cylinders (22) are coaxial with the inner hole of the transmission gear (2), the driving shaft (11) simultaneously penetrates through the transmission gear (2) and the supporting cylinders (22), and the outer wall surface of the supporting cylinders (22) is sleeved with a bearing (23).
5. Mechanical oil pump, in accordance with claim 4, characterized in that the bearing (23) is a deep groove ball bearing.
6. Mechanical oil pump according to any of claims 1 to 5, characterized in that the connecting member comprises a connecting arm (12), and that the end of the connecting arm (12) facing away from the housing of the oil pump body (1) is provided with a connecting structure for detachable connection with the inner wall of the gearbox.
7. The mechanical oil pump as set forth in claim 6, wherein said connecting arm (12) is provided in plurality, and a plurality of said connecting arms (12) are circumferentially spaced on a housing of said oil pump body (1).
8. The mechanical oil pump according to claim 6, characterized in that the connecting structure comprises a connecting hole (13), a positioning pin sleeve (14) is coaxially inserted in the connecting hole (13), and at least one end of the positioning pin sleeve (14) extends out of the connecting hole (13).
9. The mechanical oil pump according to any one of claims 1 to 5, characterized in that the mechanical oil pump further comprises an oil baffle cover (3), the oil baffle cover (3) is covered outside the transmission gear (2), part of gear teeth of the transmission gear (2) is positioned outside the oil baffle cover (3), and the oil baffle cover (3) is connected with a housing of the oil pump body (1).
10. A gearbox comprising a mechanical oil pump according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022590277.8U CN214092959U (en) | 2020-11-10 | 2020-11-10 | Mechanical oil pump and gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022590277.8U CN214092959U (en) | 2020-11-10 | 2020-11-10 | Mechanical oil pump and gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214092959U true CN214092959U (en) | 2021-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022590277.8U Active CN214092959U (en) | 2020-11-10 | 2020-11-10 | Mechanical oil pump and gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214092959U (en) |
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2020
- 2020-11-10 CN CN202022590277.8U patent/CN214092959U/en active Active
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Effective date of registration: 20240527 Address after: Room 36, 5th Floor, Comprehensive Service Building, Fanchang Economic Development Zone Management Committee, Fanchang District, Wuhu City, Anhui Province, 241200 Patentee after: Wuhu Aike Power System Co.,Ltd. Country or region after: China Address before: 241006 Changchun Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui, 8 Patentee before: CHERY AUTOMOBILE Co.,Ltd. Country or region before: China |