CN219119756U - Transmission combined plastic left end cover and vehicle - Google Patents
Transmission combined plastic left end cover and vehicle Download PDFInfo
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- CN219119756U CN219119756U CN202320000369.7U CN202320000369U CN219119756U CN 219119756 U CN219119756 U CN 219119756U CN 202320000369 U CN202320000369 U CN 202320000369U CN 219119756 U CN219119756 U CN 219119756U
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- left end
- injection molding
- oil duct
- end cover
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Abstract
The utility model discloses a combined plastic left end cover of a transmission and a vehicle, which comprise an injection molding oil duct groove cover, an injection molding left end cover and a rubber sealing gasket, wherein the injection molding oil duct groove cover is arranged on the inner side of the injection molding left end cover, an oil duct is formed between the injection molding oil duct groove cover and the injection molding left end cover, one end of the injection molding oil duct groove cover is provided with an oil inlet communicated with the oil duct, and the other end of the injection molding oil duct groove cover is provided with an oil outlet communicated with the oil duct; the injection molding left end cover is arranged on the transmission left box body through a fixing bolt, an oil storage cavity is formed between the injection molding left end cover and the transmission left box body, and the oil storage cavity is communicated with the oil duct; and the peripheral edge of the injection molding oil duct groove cover is provided with a sealing gasket mounting groove, and the rubber sealing gasket is mounted in the sealing gasket mounting groove. The utility model can meet the lubricating requirement of the transmission shafting, and can reduce the weight and the cost.
Description
Technical Field
The utility model belongs to the technical field of speed changers, and particularly relates to a combined plastic left end cover of a speed changer and a vehicle.
Background
Patent document CN 212080105U discloses a left end cover of a transmission, the transmission and a vehicle, wherein, L oil inlet holes and M oil outlet holes are provided on the left end cover, the M oil outlet holes are communicated with the L oil inlet holes through oil channels, and each oil inlet hole, each oil outlet hole and the communicated oil channel are all arranged on the left end cover. The left end cover improves the efficiency of assembly work and has good assembly manufacturability. As another example, patent document CN 113483082a discloses a left end cover structure of a hybrid transmission, a transmission shafting formed by an input shaft, an upper intermediate shaft and a lower intermediate shaft is arranged in the left box, a lubricating oil outlet is arranged at the edge of the left box, a first oil storage cavity, a second oil storage cavity and a third oil storage cavity are arranged at the inner side of the integrated left end cover, and the three shaft oil storage cavities are respectively in one-to-one correspondence with the ends of the input shaft, the upper intermediate shaft and the lower intermediate shaft in the left box; the edge of the integrated left end cover is provided with a lubricating oil inlet which corresponds to a lubricating oil outlet on the left box body; the edge of the first oil storage cavity is provided with a first lubricating oil outlet communicated with the first oil storage cavity, and the edge of the second oil storage cavity is provided with a second lubricating oil outlet communicated with the second oil storage cavity. The left end cover structure of the hybrid transmission can reduce the number of components, shorten the axial distance, reduce the assembly difficulty and save the cost on the basis of meeting the lubricating requirement of a transmission shafting. The left end cover is novel in structure, but the oil duct structure is realized by machining, and a process hole facing the outside of the transmission is reserved, so that the left end cover is blocked by adopting a corresponding sealing mode. From the viewpoints of cost, weight, appearance and the like, the left end cover structure has room for further improvement.
Therefore, there is a need to develop a new transmission combination plastic left end cap and vehicle.
Disclosure of Invention
The utility model aims to provide a combined plastic left end cover of a speed changer and a vehicle, which can meet the lubricating requirement of a speed changer shafting, reduce weight and reduce cost.
The utility model discloses a combined plastic left end cover of a transmission, which comprises an injection molding oil duct groove cover, an injection molding left end cover and a rubber sealing gasket, wherein the injection molding oil duct groove cover is arranged on the inner side of the injection molding left end cover, an oil duct is formed between the injection molding oil duct groove cover and the injection molding left end cover, an oil inlet communicated with the oil duct is arranged at one end of the injection molding oil duct groove cover, and an oil outlet communicated with the oil duct is arranged at the other end of the injection molding oil duct groove cover; the injection molding left end cover is arranged on the transmission left box body through a fixing bolt, an oil storage cavity is formed between the injection molding left end cover and the transmission left box body, and the oil storage cavity is communicated with the oil duct; and the peripheral edge of the injection molding oil duct groove cover is provided with a sealing gasket mounting groove, and the rubber sealing gasket is mounted in the sealing gasket mounting groove.
Optionally, a positioning boss is arranged on the injection molding left end cover, and a positioning pin hole corresponding to the positioning boss is arranged on the transmission left box body.
Optionally, the rubber sealing gasket is provided with an anti-drop convex point.
Optionally, be equipped with the sealing ring on the oil duct groove lid of moulding plastics, be equipped with the sealed slot of oil duct on the left end cover of moulding plastics, the oil duct is sealed through the nesting in sealing ring and the sealed slot of oil duct between the left end cover of moulding plastics, and the holding down force that the fixing bolt provided after screwing up.
Optionally, be equipped with first separating rib on the left end cover of moulding plastics, be equipped with the second separating rib on the oil duct groove lid of moulding plastics, be equipped with the third separating rib on the derailleur left box, make to mould plastics between left end cover and the derailleur left box and form three oil storage chamber through first separating rib, second separating rib and the cooperation of third separating rib.
Optionally, the number of the oil outlet holes is two, namely a first oil outlet hole and a second oil outlet hole.
In a second aspect, the utility model provides a vehicle employing a transmission combination plastic left end cover according to the utility model.
The utility model has the following advantages:
(1) Because the plastic material is adopted, compared with the metal material adopted by the integrated left end cover, the total weight of parts is reduced.
(2) Because the oil duct sealing interfaces all face the inside of the transmission, the risk of leakage of the integrated left end cover towards the outer sealing interface is reduced, and customer complaints caused by the leakage are reduced.
(3) Because the combined plastic left end cover structure adopts two injection molding parts to realize the functions, mechanical processing is not needed, the production efficiency is high, and the manufacturing cost is low.
(4) The combined injection molding left end cover has the function that the positioning boss can replace the positioning pin, so that the number of parts in the structure can be further reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an assembly effect diagram in the present embodiment;
FIG. 2 is an exploded view of the present embodiment;
FIG. 3 is an exploded view of the mating connection of the transmission combination plastic left end cap and the transmission left case of the present embodiment;
FIG. 4 is a schematic illustration of the mating connection of the transmission combination plastic left end cap and the transmission left case of the present embodiment;
FIG. 5 is a schematic view of a seal interface between an injection molded oil duct groove cover and an injection molded left end cover in this embodiment;
in the figure: 1-injection molding oil duct groove covers, 11-sealing rings, 12-oil inlets, 13-first oil outlets, 14-second oil outlets, 15-second separation ribs, 2-injection molding left end covers, 21-oil duct sealing grooves, 22-rubber sealing gasket mounting grooves, 23-positioning bosses, 24-first separation ribs, 3-fixing bolts, 4-rubber sealing gaskets, 5-transmission left box bodies, 6-O-shaped sealing rings and 7-composite sealing gaskets.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, in this embodiment, a transmission combined plastic left end cover includes an injection molding oil channel groove cover 1, an injection molding left end cover 2 and a rubber gasket 4, the injection molding oil channel groove cover 1 is installed on the inner side of the injection molding left end cover 2, an oil channel is formed between the injection molding oil channel groove cover 1 and the injection molding left end cover 2, an oil inlet 12 communicated with the oil channel is arranged at one end of the injection molding oil channel groove cover 1, and an oil outlet communicated with the oil channel is arranged at the other end of the injection molding oil channel groove cover 1. The injection molding left end cover 2 is arranged on the transmission left box body 5 through the fixing bolt 3, and an oil storage cavity is formed between the injection molding left end cover 2 and the transmission left box body 5 and is communicated with the oil duct. The periphery of the injection molding oil duct groove cover 1 is provided with a sealing gasket mounting groove 22, and the rubber sealing gasket 4 is mounted in the sealing gasket mounting groove 22.
Referring to fig. 2, in this embodiment, a positioning boss 23 is provided on the injection molding left end cover 2, and a positioning pin hole corresponding to the positioning boss 23 is provided on the transmission left case 5 for positioning during installation.
In this embodiment, the rubber gasket 4 is provided with an anti-falling bump, and the rubber gasket does not fall off after being mounted.
Referring to fig. 1, 3 and 4, in this embodiment, the injection molding left end cover 2 is provided with a first partition rib 24, the injection molding oil duct groove cover 1 is provided with a second partition rib 15, the transmission left box 5 is provided with a third partition rib, and three oil storage cavities are formed between the injection molding left end cover 2 and the transmission left box 5 by matching the first partition rib 24, the second partition rib 15 and the three partition ribs.
Referring to fig. 1 to 5, the installation process of the transmission combined plastic left end cover is as follows:
firstly, the injection molding oil duct groove cover 1 and the injection molding left end cover 2 are assembled well, and the fixation is realized by means of small interference of local positions of the injection molding oil duct groove cover 1 and the injection molding left end cover 2, so that the problem that the injection molding oil duct cover 1 falls off when being assembled on the transmission left box body 5 is prevented. Next, the rubber packing 4 is mounted in the packing mounting groove 22, so that the assembly of a left end cap subassembly is completed first.
Then, an O-ring 6 is placed on the transmission left case 5, and then the left end cap subassembly assembled in the previous step is assembled on the transmission left case 5. During assembly, the positioning boss 23 on the injection-molded left end cover 2 needs to be aligned with the positioning pin hole on the transmission left box body 5. Finally, the fixing bolts 3 are put in, and the fixing bolts 3 are screwed in accordance with a prescribed order and torque. The middle fixing bolt 3 is assembled together with the composite sealing gasket 7, and the sealing of the interface is realized by means of a rubber ring on the composite sealing gasket 7.
Referring to fig. 4, when the transmission lubrication system works, lubricating oil enters an oil inlet 12 on the injection molding oil duct groove cover 1 through a left box oil duct, and sealing is realized between the left box oil duct and the injection molding oil duct groove cover through the end face sealing function of the O-shaped sealing ring 6; after the lubricating oil passes through an oil duct formed between the injection molding oil duct groove cover 1 and the injection molding left end cover 2, and is distributed through a first oil outlet 13 and a second oil outlet 14 on the injection molding oil duct groove cover 1, and then enters three oil storage cavities formed between the injection molding left end cover 2 and the transmission left box body 5 respectively, so that lubrication of a transmission shafting is realized.
Referring to fig. 5, the injection molding oil duct groove cover 1 is provided with a sealing ring 11, the injection molding left end cover 2 is provided with an oil duct sealing groove 21, the injection molding oil duct groove cover 1 and the injection molding left end cover 2 are nested through the sealing ring 11 and the oil duct sealing groove 21, and the pressing force provided after the fixing bolt 3 is screwed up realizes the oil duct sealing function.
The combined plastic left end cover of the transmission adopts a combined assembly scheme, the function of an integrated left end cover oil duct is realized by utilizing the combination of two injection molding pieces, the risk of lubricating oil leakage when the integrated left end cover is sealed by an oil duct plug is avoided, and meanwhile, the positioning boss is integrated, so that the total weight of the left end cover structure is reduced, and the manufacturing cost of parts is reduced.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a derailleur combination formula plastics left end cover which characterized in that: the novel plastic injection molding device comprises an injection molding oil duct groove cover (1), an injection molding left end cover (2) and a rubber sealing gasket (4), wherein the injection molding oil duct groove cover (1) is arranged on the inner side of the injection molding left end cover (2), an oil duct is formed between the injection molding oil duct groove cover (1) and the injection molding left end cover (2), an oil inlet (12) communicated with the oil duct is formed in one end of the injection molding oil duct groove cover (1), and an oil outlet communicated with the oil duct is formed in the other end of the injection molding oil duct groove cover (1);
the injection molding left end cover (2) is arranged on the transmission left box body (5) through a fixing bolt (3), and an oil storage cavity is formed between the injection molding left end cover (2) and the transmission left box body (5), and is communicated with the oil duct;
the sealing gasket mounting groove (22) is formed in the peripheral edge of the injection molding oil duct groove cover (1), and the rubber sealing gasket (4) is mounted in the sealing gasket mounting groove (22).
2. The transmission combination plastic left end cap of claim 1, wherein: the injection molding left end cover (2) is provided with a positioning boss (23), and the transmission left box body (5) is provided with a positioning pin hole which is correspondingly matched with the positioning boss (23).
3. The transmission combination plastic left end cap of claim 1 or 2, wherein: and the rubber sealing gasket (4) is provided with anti-drop convex points.
4. A transmission combination plastic left end cap according to claim 3, wherein: be equipped with sealing ring (11) on moulding plastics oil duct groove lid (1), be equipped with oil duct seal groove (21) on moulding plastics left end cover (2), the nestification through sealing ring (11) and oil duct seal groove (21) between moulding plastics oil duct groove lid (1) and the left end cover (2) of moulding plastics to and the hold-down force that fixed bolt (3) provided after screwing up realizes the oil duct and seals.
5. The transmission combination plastic left end cap of claim 4, wherein: be equipped with first separation muscle (24) on moulding plastics left end cover (2), be equipped with second separation muscle (15) on moulding plastics oil duct groove cover (1), be equipped with the third on derailleur left box (5) and separate the muscle, make between moulding plastics left end cover (2) and derailleur left box (5) three oil storage chamber through first separation muscle (24), second separation muscle (15) and third separation muscle cooperation.
6. The transmission combination plastic left end cap of claim 4, wherein: the number of the oil outlet holes is two, namely a first oil outlet hole (13) and a second oil outlet hole (14).
7. A vehicle, characterized in that: use of a transmission combination plastic left end cap as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320000369.7U CN219119756U (en) | 2023-01-02 | 2023-01-02 | Transmission combined plastic left end cover and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320000369.7U CN219119756U (en) | 2023-01-02 | 2023-01-02 | Transmission combined plastic left end cover and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219119756U true CN219119756U (en) | 2023-06-02 |
Family
ID=86527242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320000369.7U Active CN219119756U (en) | 2023-01-02 | 2023-01-02 | Transmission combined plastic left end cover and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219119756U (en) |
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2023
- 2023-01-02 CN CN202320000369.7U patent/CN219119756U/en active Active
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