CN215370908U - Oiling and exhausting device of speed changer - Google Patents
Oiling and exhausting device of speed changer Download PDFInfo
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- CN215370908U CN215370908U CN202121359533.0U CN202121359533U CN215370908U CN 215370908 U CN215370908 U CN 215370908U CN 202121359533 U CN202121359533 U CN 202121359533U CN 215370908 U CN215370908 U CN 215370908U
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- connecting seat
- cover
- exhaust nozzle
- transmission
- groove
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Abstract
The utility model discloses an oil filling and exhausting device of a transmission, which comprises a connecting seat and a cover, wherein one end of the connecting seat is arranged on a transmission case, an exhaust hole is arranged on the connecting seat, the section of the other end of the connecting seat is in an arc shape, or a bulge part or a groove is arranged on the circumferential surface of the other end of the connecting seat, and after the cover is connected with the other end of the connecting seat, a channel for air flow to pass is formed between the cover and the connecting seat through the arc-shaped section, the bulge part or the groove. The utility model has the advantages of simple structure and convenient use.
Description
Technical Field
The utility model relates to a refueling and exhausting device of an automobile transmission, which is used for the technical field of automobile engineering.
Background
The automobile is at the operation in-process, because derailleur gear running friction, stirring lubricating oil etc. can produce a large amount of heats, can make derailleur internal pressure be higher than outside atmospheric pressure, if long-time pressure can not be balanced with atmospheric pressure, then can make derailleur internal pressure higher and higher, so need pass through exhaust apparatus, make derailleur internal pressure and outside atmospheric pressure balanced, and simultaneously, the inside lubricating oil that need annotate of derailleur, most after-sales markets also need to change derailleur lubricating oil liquid, so need set up the oil filler hole on the derailleur, need use at ordinary times to refuel bolt shutoff oil filler hole.
Disclosure of Invention
The utility model provides a simple structure and convenient use oil filling and exhausting device of a transmission.
The technical scheme for realizing the purpose is as follows:
the oiling and exhausting device of the transmission comprises a connecting seat and a cover, wherein one end of the connecting seat is arranged on a transmission case, an exhaust hole is formed in the connecting seat, the cross section of the other end of the connecting seat is arched, or a bulge or a groove is formed in the circumferential surface of the other end of the connecting seat, and after the cover is connected with the other end of the connecting seat, a channel for air flow to pass through is formed between the cover and the connecting seat through the arched cross section, or the bulge or the groove.
Further, the connecting seat includes plug screw, twist reverse cooperation portion, exhaust nozzle, and twist reverse cooperation portion sets up on the global of plug screw, and the exhaust nozzle is located the one end of plug screw, and the cross-section of exhaust nozzle is the bow-shaped, perhaps is equipped with bellying or recess on the global of exhaust nozzle, makes lid and exhaust nozzle be connected the back and form the passageway that supplies the air current to pass through between the two.
Furthermore, the torsional matching part is provided with an annular groove, the torsional matching part forms the groove wall of the annular groove, the sealing ring is arranged in the annular groove, and after the plug screw is connected with the gearbox, the sealing ring is tightly pressed between the torsional matching part and the gearbox.
Furthermore, the circumferential surface of the exhaust nozzle is provided with a section plane extending along the axial direction of the exhaust nozzle, and then the section of the exhaust nozzle is in an arc shape, wherein the arc forming the arc shape is a major arc.
Furthermore, a limiting part is arranged on the connecting seat, and one end of the cover abuts against the limiting part after the cover and the connecting seat.
After the oil filling and exhausting device is matched with the transmission shell, a channel for air flow to pass through is formed between the cover and the connecting seat through the arched section, or the bulge or the groove, the channel is used for exhausting gas generated during the operation of the transmission, and meanwhile, the cover can prevent outside water and dust from directly entering the transmission through the channel. When lubricating oil needs to be filled into the transmission, the oil filling and exhausting device can be taken down to fill the lubricating oil into the transmission, and the transmission can be screwed down after the lubricating oil is filled.
Drawings
FIG. 1 is a cross-sectional block diagram of a transmission fill and vent apparatus;
FIG. 2 is a schematic view of the connecting socket;
FIG. 3 is a schematic view of the lid;
FIG. 4 is an assembly view of the exhaust and transmission housing;
reference numbers in the drawings:
the connecting seat comprises a connecting seat 1, a screw plug 1-1, an annular groove 1-2, a torsion matching part 1-3, a section plane 1-4, a limiting part 1-5, an exhaust nozzle 1-6, a first hole 1-7, a second hole 1-8, a gap 1-9, a channel 1-10, a cover 2, a sealing ring 3, a transmission shell 4 and an inclined plane 4-1.
Detailed Description
The present invention will be described with reference to fig. 1 to 4.
The oil filling and exhausting device of the speed changer comprises a connecting seat 1 and a cover 2, wherein one end of the connecting seat 1 is arranged on a speed changer shell 4, an exhaust hole is arranged on the connecting seat 1, the section of the other end of the connecting seat 1 is in an arc shape, and after the cover 2 is connected with the other end of the connecting seat 1, a channel 1-10 for air flow to pass is formed between the cover 2 and the connecting seat 1 through the arc-shaped section. The exhaust hole penetrates through the connecting seat 1 and consists of a first hole 1-7 and a second hole 1-8, wherein the aperture of the first hole 1-7 is larger than that of the second hole 1-8, the aperture of the first hole 1-7 is 10-14mm, and the aperture of the second hole 1-8 is 3 mm. Lid 2 is the tube-shape, and the one end of lid 2 is sealed the other end and is set up the opening and be hollow structure, and lid 2 cover preferentially adopts threaded connection with connecting seat 1 on connecting seat 1.
In this embodiment, it is preferable that the other end of the connecting base 1 is formed in an arcuate shape, the cap 2 is preferably formed in a cylindrical shape, and after the cap 2 is screwed to the connecting base 1, a gap 1-9 is formed between the cap 2 and the connecting base 1 by passing through the arcuate cross section of the cap 2, and the gap 1-9 forms a passage 1-10 through which an air flow passes.
The connecting seat 1 comprises a screw plug 1-1, a torsion matching part 1-3 and an exhaust nozzle 1-6, wherein the torsion matching part 1-3 is arranged on the circumferential surface of the screw plug 1-1, the exhaust nozzle 1-6 is positioned at one end of the screw plug 1-1, the section of the exhaust nozzle 1-6 is arched, or a convex part or a groove is arranged on the circumferential surface of the exhaust nozzle 1-6, so that a channel for air flow to pass through is formed between the cover 2 and the exhaust nozzle 1-6 after the cover and the exhaust nozzle 1-6 are connected.
In this embodiment, the circumferential surface of the exhaust nozzle 1-6 is provided with a section plane 1-4 extending along the axial direction of the exhaust nozzle 1-6, and then the section of the exhaust nozzle 1-6 is made to be arc-shaped, wherein the arc forming the arc shape is a major arc. That is, a part of the discharge nozzle 1-6 is cut off along the axial direction of the discharge nozzle 1-6, so that the peripheral surface of the discharge nozzle 1-6 is composed of a flat surface and an arc surface, and the section of the discharge nozzle 1-6 is arc-shaped along the radial direction of the discharge nozzle 1-6, that is, composed of an arc and a chord, wherein the arc preferably adopts a major arc, so that the gap 1-9 between the discharge nozzle 1-6 and the cover 2 is small.
The screw plug 1-1 is used for being connected with a transmission shell 4, the peripheral surface of the torsion matching part 1-3 is of a polygonal structure, the peripheral surface of the torsion matching part 1-3 preferably adopts a hexagonal structure, when the novel transmission is installed, an external hexagonal bolt tightening tool can be used for being matched with the torsion matching part 1-3, and the torsion is applied to the torsion matching part 1-3, so that the novel transmission is installed on the transmission shell 4. When the transmission needs to be filled with lubricating oil, the novel exhaust device can be taken down to fill the lubricating oil of the transmission, and the lubricating oil is screwed down again after being filled. Thus, the exhaust device can be easily and quickly attached to and detached from the transmission case 4 by twisting the fitting portions 1 to 3.
The torsional matching part 1-3 is provided with an annular groove 1-2, the torsional matching part 1-3 forms the groove wall of the annular groove, the sealing ring 3 is arranged in the annular groove 1-2, and after the screw plug 1-1 is connected with the transmission shell 4, the sealing ring 3 is tightly pressed between the torsional matching part 1-3 and the transmission shell 4.
The inner diameter of the sealing ring 3 is smaller than the outer diameter of the annular groove 1-2, so that the sealing ring 3 is in a state of certain stretching amount; referring to fig. 3, an inclined surface 4-1 is processed on the transmission housing 4, the outer diameter of the sealing ring 3 is larger than the inclined surface 4-1 of the transmission housing 4, and the sealing ring 3 completes the sealing of the transmission through the inclined surface 4-1, the groove 1-2 and the torsional matching part 1-3.
The connecting seat 1 is provided with a limiting part 1-5, and one end of the cover 2 is abutted against the limiting part 1-5 after the cover 2 and the connecting seat 1. After the cover 2 is abutted against the limiting parts 1-5, a gap is formed between the axial end face of the cover 2 and the axial end face of the connecting seat 1, and the gap 1-9 jointly form a channel 1-10, so that the transmission is communicated with the outside.
The present invention is not limited to the above-described embodiments, for example:
a convex part or a groove (not shown in the figure) is arranged on the circumferential surface of the other end of the connecting seat 1, and a channel 1-10 for air flow to pass through is formed between the cover 2 and the connecting seat 1 through the convex part or the groove. If grooves extending in the axial direction of the exhaust nozzles 1 to 6 are provided on the peripheral surfaces of the exhaust nozzles 1 to 6, the structure of the cap 2 in the above-described embodiment may be adopted, that is, the cap 2 is screwed to the exhaust nozzles 1 to 6. If the circumferential surface of the exhaust nozzle 1-6 is provided with the bulge part extending along the axial direction of the exhaust nozzle 1-6, the cover 2 and the exhaust nozzle 1-6 preferably adopt a plug-in type structure, namely the exhaust nozzle 1-6 is inserted into the cover 2, the inner wall surface of the cover 2 is provided with a sliding groove matched with the bulge part, the depth of the sliding groove is greater than the length of the bulge part, and a gap is formed between the bulge part and the sliding groove.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and the patent scope of the present invention is not limited; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; in addition, the technical scheme of the utility model is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the utility model.
Claims (5)
1. The oiling and exhausting device of the transmission comprises a connecting seat (1) with one end installed on a transmission shell (4) and a cover (2), wherein an exhaust hole is formed in the connecting seat (1), and the oiling and exhausting device is characterized in that the cross section of the other end of the connecting seat (1) is arched, or a bulge or a groove is formed in the circumferential surface of the other end of the connecting seat (1), and after the cover (2) is connected with the other end of the connecting seat (1), a channel (1-10) for air flow to pass through is formed between the cover (2) and the connecting seat (1) through the arched cross section, or the bulge or the groove.
2. The oil filling and exhausting device of the transmission according to claim 1, wherein the connecting seat (1) comprises a plug screw (1-1), a torsional fitting portion (1-3) and an exhaust nozzle (1-6), the torsional fitting portion (1-3) is arranged on the circumferential surface of the plug screw (1-1), the exhaust nozzle (1-6) is located at one end of the plug screw (1-1), the section of the exhaust nozzle (1-6) is arched, or a bulge or a groove is arranged on the circumferential surface of the exhaust nozzle (1-6), so that a channel for air flow to pass through is formed between the cover (2) and the exhaust nozzle (1-6) after the cover and the exhaust nozzle (1-6) are connected.
3. The refueling and exhausting device of a transmission according to claim 2, wherein the twist fit portion (1-3) is provided with an annular groove (1-2), the twist fit portion (1-3) constitutes a groove wall of the annular groove, and further comprising a seal ring (3), the seal ring (3) is installed in the annular groove (1-2), and after the plug screw (1-1) is connected with the transmission housing (4), the seal ring (3) is compressed between the twist fit portion (1-3) and the transmission housing (4).
4. The device for filling and exhausting a transmission of claim 2, wherein the peripheral surface of the exhaust nozzle (1-6) is provided with a section plane (1-4) extending along the axial direction of the exhaust nozzle (1-6) so that the section of the exhaust nozzle (1-6) is arcuate, wherein the arc forming the arcuate shape is a major arc.
5. The oil filling and exhausting device of the transmission according to claim 1, wherein the connecting seat (1) is provided with a limiting part (1-5), and after the cover (2) and the connecting seat (1), one end of the cover (2) abuts against the limiting part (1-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121359533.0U CN215370908U (en) | 2021-06-18 | 2021-06-18 | Oiling and exhausting device of speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121359533.0U CN215370908U (en) | 2021-06-18 | 2021-06-18 | Oiling and exhausting device of speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370908U true CN215370908U (en) | 2021-12-31 |
Family
ID=79635657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121359533.0U Active CN215370908U (en) | 2021-06-18 | 2021-06-18 | Oiling and exhausting device of speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370908U (en) |
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2021
- 2021-06-18 CN CN202121359533.0U patent/CN215370908U/en active Active
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