CN218408462U - Gearbox oil circuit structure, gearbox and vehicle - Google Patents
Gearbox oil circuit structure, gearbox and vehicle Download PDFInfo
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- CN218408462U CN218408462U CN202222567318.0U CN202222567318U CN218408462U CN 218408462 U CN218408462 U CN 218408462U CN 202222567318 U CN202222567318 U CN 202222567318U CN 218408462 U CN218408462 U CN 218408462U
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Abstract
The disclosure relates to the technical field of automatic transmissions, in particular to a transmission oil way structure, a transmission and a vehicle. This gearbox oil circuit structure includes: the oil passing cavity, the main oil way and the connecting oil way are formed; the oil passing cavity is used for accommodating the mechanical pump and a transmission mechanism thereof; the main oil way is connected with the valve plate and used for conveying lubricating oil for internal parts of the gearbox; the connecting oil duct is used for communicating the oil passing cavity and the main oil duct. According to the gearbox oil way structure, through the arrangement of the oil passing cavity and the connecting oil duct, when the gearbox works, lubricating oil in the main oil way is guided into the oil passing cavity through the connecting oil duct, so that a mechanical pump and a transmission mechanism thereof in the oil passing cavity are sufficiently lubricated and cooled, the abrasion speed of the mechanical pump and the transmission mechanism thereof is reduced, and the service life of the mechanical pump and the transmission mechanism thereof is prolonged.
Description
Technical Field
The disclosure relates to the technical field of automatic transmissions, in particular to a transmission oil way structure, a transmission and a vehicle.
Background
The automobile gearbox is a set of speed changing devices used for coordinating the rotating speed of an engine and the actual running speed of wheels, and is used for exerting the optimal performance of the engine. The gearbox can generate different gear ratios between an engine and wheels in the running process of the automobile, so that the transmission of different gear rotating speeds is realized.
The manual gearbox mainly comprises gears and a rotating shaft, and the speed changing and torque changing are generated by different gear combinations; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear and a hydraulic control system, and achieves the purposes of speed and torque changing through a hydraulic transmission and gear combination mode.
The automatic gearbox has the advantages of being comfortable to drive, capable of reducing fatigue of a driver and the like, and becomes a development direction of modern car configuration. The automatic gearbox utilizes a planetary gear mechanism to change speed, can automatically change speed according to the degree of an accelerator pedal and the change of vehicle speed, and a driver only needs to operate the accelerator pedal to control the vehicle speed, so that the driver can watch road traffic with full attention without being confused by gear shifting.
In the automatic transmission used at present, a mechanical pump connected with a central shaft through a transmission mechanism and the transmission mechanism are arranged in a gap between a cover plate and a brake, the transmission mechanism can only be lubricated by lubricating oil permeating from the joint of the cover plate, the central shaft and the brake, so that the mechanical pump and the transmission mechanism can not be fully lubricated and cooled, and the phenomenon of serious abrasion can occur after the mechanical pump and the transmission mechanism are used for a period of time.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the present disclosure provides a transmission oil path structure, a transmission and a vehicle.
In a first aspect, the present disclosure provides a transmission oil path structure, including: the oil passing cavity, the main oil way and the connecting oil way are formed;
the oil passing cavity is used for accommodating the mechanical pump and a transmission mechanism thereof;
the main oil way is connected with the valve plate and used for conveying lubricating oil for internal parts of the gearbox;
the connecting oil duct is used for communicating the oil passing cavity and the main oil duct.
Optionally, the oil passing cavity is formed in a gap between the brake and the cover plate, and the connecting oil duct is arranged on the brake.
Optionally, the connecting oil passage extends in the axial direction of the central shaft.
Optionally, a connecting port between the connecting oil duct and the oil passing cavity is formed on the outer peripheral side close to the oil passing cavity, and the transmission mechanism is located on the inner peripheral side of the oil passing cavity.
Optionally, in the axial direction of the central shaft, the transmission mechanism and the connecting ports for connecting the oil passage and the oil passing cavity are respectively located at two ends of the oil passing cavity.
Optionally, the transmission mechanism includes a chain wheel and a chain, which are meshed with each other, the chain wheel is sleeved on the central shaft, and the outer peripheral side of the chain wheel is connected with the cover plate through a bearing.
Optionally, an oil gap is arranged between the bearing and the chain wheel.
In a second aspect, the present disclosure provides a transmission including a transmission oil path structure as described above.
In a third aspect, the present disclosure provides a vehicle comprising a gearbox as described above.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
according to the gearbox oil way structure, through the arrangement of the oil passing cavity and the connecting oil duct, when the gearbox works, lubricating oil in the main oil way is guided into the oil passing cavity through the connecting oil duct, and then the mechanical pump and the transmission mechanism in the oil passing cavity are sufficiently lubricated and cooled, so that the abrasion speed of the mechanical pump and the transmission mechanism thereof is reduced, and the service life of the mechanical pump and the transmission mechanism thereof is prolonged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a transmission oil path structure according to an embodiment of the disclosure.
Wherein, 1, passing through the oil cavity; 2. a main oil path; 3. connecting the oil duct; 4. a brake; 5. a cover plate; 6. a central shaft; 71. a sprocket; 72. a chain; 73. a bearing; 74. and (4) oil passing gaps.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
The automobile gearbox is a set of speed changing devices used for coordinating the rotating speed of an engine and the actual running speed of wheels, and is used for exerting the optimal performance of the engine. The gearbox can generate different gear ratios between an engine and wheels in the running process of the automobile, so that the transmission of different gear rotating speeds is realized.
The manual gearbox mainly comprises gears and a rotating shaft, and the speed change and torque change are generated by different gear combinations; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear and a hydraulic control system, and achieves the purposes of speed and torque changing through a hydraulic transmission and gear combination mode.
The automatic gearbox has the advantages of comfortable driving, capability of reducing fatigue of a driver and the like, and becomes a development direction of the configuration of modern cars. The automatic gearbox utilizes a planetary gear mechanism to change speed, can automatically change speed according to the degree of an accelerator pedal and the change of vehicle speed, and a driver only needs to operate the accelerator pedal to control the vehicle speed, so that the driver can watch road traffic with full attention without being confused by gear shifting.
In the automatic transmission used at present, a mechanical pump connected with a central shaft through a transmission mechanism and the transmission mechanism are arranged in a gap between a cover plate and a brake, the transmission mechanism can only be lubricated by lubricating oil permeating from the joint of the cover plate, the central shaft and the brake, so that the mechanical pump and the transmission mechanism can not be fully lubricated and cooled, and the phenomenon of serious abrasion can occur after the mechanical pump and the transmission mechanism are used for a period of time.
Based on this, this embodiment provides a gearbox oil circuit structure, gearbox and vehicle, through the setting of crossing oil pocket and connecting oil duct, can be when the gearbox during operation, the lubricating oil in the main oil circuit is leading-in to crossing in the oil pocket through connecting the oil duct, makes mechanical pump and drive mechanism in the oil pocket obtain abundant lubrication and cooling then to reduce the wear rate of mechanical pump and drive mechanism, improve its life. This is illustrated in detail by the following specific examples:
referring to fig. 1, the present embodiment provides a transmission oil path structure, including: the oil passing cavity 1, the main oil way 2 and the connecting oil way 3; the oil passing cavity 1 is used for accommodating a mechanical pump and a transmission mechanism thereof; the main oil way 2 is connected with the valve plate and used for conveying lubricating oil for internal parts of the gearbox; the connecting oil passage 3 is used to connect the oil chamber 1 and the main oil passage 2.
Through the arrangement of the oil passing cavity 1 and the connecting oil duct 3, when the gearbox works, lubricating oil in the main oil way 2 can be guided into the oil passing cavity 1 through the connecting oil duct 3, and then the mechanical pump and the transmission mechanism in the oil passing cavity 1 are sufficiently lubricated and cooled, so that the wear rate of the mechanical pump and the transmission mechanism thereof is reduced, and the service life of the mechanical pump and the transmission mechanism thereof is prolonged.
In some embodiments, the oil passing cavity 1 is formed at a gap between the brake 4 and the cover plate 5, and the connecting oil passage 3 is opened on the brake 4; by arranging the connecting oil duct 3 on the brake 4, the difficulty in arranging the oil duct can be reduced, and complicated supporting structures and sealing structures such as sealing rings, gaskets and the like around the central shaft 6 are avoided.
In a further embodiment, the connecting oil duct 3 extends along the axial direction of the central shaft 6, and it should be noted that the connecting oil duct 3 may also form a certain angle with the axial direction of the central shaft 6, as long as the length from the main oil path 2 to the oil passing cavity 1 can be shortened while the connecting oil duct 3 is convenient to process; this arrangement provides a simple machining method and improves the oil supply efficiency of the main oil passage 2 to the oil passing chamber 1.
In some embodiments, a connecting port for connecting the oil passage 3 and the oil passing cavity 1 is formed near the outer circumferential side of the oil passing cavity 1, and the transmission mechanism is positioned at the inner circumferential side of the oil passing cavity 1; the arrangement can enable the connecting oil duct 3 and the transmission mechanism to be staggered, so that the lubricating oil flowing out of the connecting oil duct 3 to the oil passing cavity 1 cannot be directly shielded by the transmission mechanism, and then backflow, backflow or blocking phenomena occur; the oil inlet efficiency of the oil passing cavity 1 can be improved by the arrangement, so that the reliability of the mechanical pump and the transmission mechanism thereof is ensured.
In a further embodiment, in the axial direction of the central shaft 6, the transmission mechanism and the connecting ports connecting the oil passage 3 and the oil passing chamber 1 are respectively located at both ends of the oil passing chamber 1; the arrangement can further reduce the resistance of the connecting oil duct 3 when the connecting oil duct delivers oil to the oil passing cavity 1, and further reduce the occurrence of backflow, backflow or blocking.
In some embodiments, the transmission mechanism comprises a chain wheel 71 and a chain 72 which are meshed with each other, the chain wheel 71 is sleeved on the central shaft 6, and the outer periphery side of the chain wheel 71 is connected with the cover plate 5 through a bearing 73; it should be noted that the transmission mechanism may also be a gear structure, a belt structure, etc., as long as the central shaft 6 and the mechanical pump can be connected in a transmission manner; by providing the bearing 73, the sprocket 71 can be stably supported on the cover 5, and the friction between the sprocket 71 and the cover 5 can be reduced.
In a further embodiment, an oil passing gap 74 is provided between the bearing 73 and the sprocket 71, and the lubricating oil can not only lubricate the sprocket 71 and the chain 72 in the oil chamber 1, but also penetrate into the position of the bearing 73 from the oil passing gap 74, so that an oil film for lubrication is formed on the contact surface of the bearing 73 and the sprocket 71.
In a second aspect, the present disclosure provides a transmission including a transmission oil path structure as described above; according to the gearbox, through the arrangement of the oil passing cavity 1 and the connecting oil duct 3, when the gearbox works, lubricating oil in the main oil way 2 is led into the oil passing cavity 1 through the connecting oil duct 3, so that a mechanical pump and a transmission mechanism thereof in the oil passing cavity 1 are sufficiently lubricated and cooled, the abrasion speed of the mechanical pump and the transmission mechanism thereof is reduced, and the service life of the mechanical pump and the transmission mechanism thereof is prolonged.
In a third aspect, the present disclosure provides a vehicle comprising a gearbox as described above; according to the gearbox of the vehicle, through the arrangement of the oil passing cavity 1 and the connecting oil duct 3, when the gearbox works, lubricating oil in the main oil way 2 is led into the oil passing cavity 1 through the connecting oil duct 3, and then a mechanical pump and a transmission mechanism thereof in the oil passing cavity 1 are sufficiently lubricated and cooled, so that the wear rate of the mechanical pump and the transmission mechanism thereof is reduced, and the service life of the mechanical pump and the transmission mechanism thereof is prolonged.
The specific implementation manner and the implementation principle are the same as those of the above embodiments, and the same or similar technical effects can be brought, and are not described herein any more, and reference may be made to the description of the above embodiment of the oil circuit structure of the transmission.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A transmission oil path structure, characterized by comprising: the oil passing cavity (1), the main oil way (2) and the connecting oil channel (3);
the oil passing cavity (1) is used for accommodating a mechanical pump and a transmission mechanism thereof;
the main oil way (2) is connected with the valve plate and used for conveying lubricating oil for internal parts of the gearbox;
the connecting oil duct (3) is used for communicating the oil passing cavity (1) with the main oil path (2).
2. The transmission oil path structure according to claim 1, characterized in that the oil passing chamber (1) is formed at a gap between a brake (4) and a cover plate (5), and the connecting oil path (3) is opened on the brake (4).
3. The transmission oil path structure according to claim 2, characterized in that the connection oil passage (3) extends in the axial direction of the center shaft (6).
4. The gearbox oil way structure according to claim 1, characterized in that a connecting port of the connecting oil passage (3) and the oil passing cavity (1) is formed close to the outer peripheral side of the oil passing cavity (1), and the transmission mechanism is located on the inner peripheral side of the oil passing cavity (1).
5. The transmission oil path structure according to claim 1, characterized in that the transmission mechanism and the connection ports of the connection oil passage (3) and the oil passage chamber (1) are located at both ends of the oil passage chamber (1), respectively, in the axial direction of a center shaft (6).
6. The gearbox oil way structure according to claim 4 or 5, characterized in that the transmission mechanism comprises a chain wheel (71) and a chain (72) which are meshed, the chain wheel (71) is sleeved on the central shaft (6), and the outer peripheral side of the chain wheel (71) is connected with the cover plate (5) through a bearing (73).
7. The transmission oil path structure according to claim 6, characterized in that an oil passing gap (74) is provided between the bearing (73) and the sprocket (71).
8. A transmission characterized by comprising a transmission oil path structure according to any one of claims 1 to 7.
9. A vehicle comprising a gearbox according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567318.0U CN218408462U (en) | 2022-09-27 | 2022-09-27 | Gearbox oil circuit structure, gearbox and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567318.0U CN218408462U (en) | 2022-09-27 | 2022-09-27 | Gearbox oil circuit structure, gearbox and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218408462U true CN218408462U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222567318.0U Active CN218408462U (en) | 2022-09-27 | 2022-09-27 | Gearbox oil circuit structure, gearbox and vehicle |
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| Country | Link |
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| CN (1) | CN218408462U (en) |
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- 2022-09-27 CN CN202222567318.0U patent/CN218408462U/en active Active
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