CN212106852U - Transmission case structure of prevention of seepage oil - Google Patents
Transmission case structure of prevention of seepage oil Download PDFInfo
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- CN212106852U CN212106852U CN202020826660.6U CN202020826660U CN212106852U CN 212106852 U CN212106852 U CN 212106852U CN 202020826660 U CN202020826660 U CN 202020826660U CN 212106852 U CN212106852 U CN 212106852U
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Abstract
The utility model discloses a transmission case structure of prevention of seepage oil, including transmission case casing and the big lid of transmission case that is located transmission case casing top, terminal surface looks butt and sealed through the sealing washer under transmission case casing up end and the big lid of transmission case, and the inner of both butt faces is higher than the outer end, and the terminal surface inner is more close to the inboard than transmission case casing up end inner under the big lid of transmission case, the section of hanging has between the inner on the terminal surface under the big lid of transmission case and the inner of transmission case casing up end, the oil cut groove has been seted up on the section of hanging. Through putting transmission case big lid lower extreme face inner end in transmission case casing up end inboard for form one section unsettled section between transmission case big lid lower extreme face and transmission case casing up end, avoided the production of long-pending oil spot among the prior art scheme, and set up the oil interceptor groove on unsettled section, further intercept fluid and follow unsettled section flow direction transmission case casing up end, thereby avoided fluid to leak to the external world from transmission case casing up end.
Description
Technical Field
The utility model belongs to the technical field of the transmission case, especially, relate to a transmission case structure of prevention of seepage oil.
Background
The power mechanism of the large diaphragm pump and the speed reducer comprises a transmission case, a transmission mechanism such as a crank-link mechanism is arranged in the transmission case, and the casing of the transmission case is usually a frame of the whole transmission case and also an oil pool. Present transmission case structure is as shown in figure 2, including transmission case casing 1 and transmission case big lid 2, transmission case big lid 2 is located transmission case casing 1 top, transmission case casing up end and transmission case big lid under terminal surface looks butt and pass through sealing washer 3 sealed, and the inner of both butt faces is higher than the outer end, but because transmission case casing and big lid adopt the casting mode to make usually, the two can make transmission case casing up end inner compare in transmission case big lid under terminal surface end more lean on in sometimes because of the casting deviation, thereby form like the long-pending oil point 4 in figure 2, drive mechanism often has a large amount of fluid to splash transmission case big lid inner wall in the course of the work, flow to long-pending oil point downwards along transmission case big lid inner wall. Although the sealing ring is arranged at the abutting position of the upper end surface of the transmission case body and the lower end surface of the large transmission case cover for sealing, the sealing ring can be out of work with the increase of time, so that the leakage of oil liquid from the oil accumulation point along the outer outflow of the upper end surface of the transmission case body is caused, and the problems of environmental pollution and the like are caused.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a transmission case structure of prevention of seepage oil, solve the oil leak problem between transmission case big lid and transmission case casing.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a transmission case structure of prevention of seepage oil, includes transmission case casing and the big lid of transmission case that is located transmission case casing top, terminal surface looks butt and pass through the sealing washer under transmission case casing up end and the big lid of transmission case are sealed, and the inner of both butt faces is higher than the outer end, terminal surface inner is more close to the inboard than transmission case casing up end inner under the big lid of transmission case to the inner that makes on the terminal surface under the big lid of transmission case and transmission case casing up end has the section of hanging between, hang and seted up round oil-intercepting groove along length direction on the section of hanging.
Therefore, the inner end of the lower end face of the large transmission case cover is arranged at the inner side of the inner end of the upper end face of the transmission case shell, so that a section of suspended section is formed between the lower end face of the large transmission case cover and the upper end face of the transmission case shell, the generation of oil accumulation points in the prior art is avoided, an oil intercepting groove is formed in the suspended section, oil is further intercepted and flows to the upper end face of the transmission case shell along the suspended section, the oil is prevented from leaking to the outside from the upper end face of the transmission case shell, the problem of oil leakage between the large transmission case cover and the transmission case shell is solved, the problem of environmental pollution and the like is avoided, when the oil is implemented, the lower end of the large transmission case cover can be thickened through the casting process, and the inner end of the lower end face of the large transmission case cover.
Preferably, a mounting groove is formed in the abutting position of the lower end face of the large transmission case cover and the upper end face of the transmission case shell, and the sealing ring is arranged in the mounting groove and used for sealing a gap between the upper end face of the transmission case shell and the lower end face of the large transmission case cover.
Therefore, the installation groove is formed in the lower end face of the transmission case large cover, the sealing ring is arranged in the installation groove, the sealing performance is further improved, and the oil can be prevented from leaking as a safety device.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of a prior art structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: referring to fig. 1, the oil seepage prevention transmission case structure comprises a transmission case shell 1 and a transmission case large cover 2 located above the transmission case shell, wherein the upper end face of the transmission case shell is abutted to the lower end face of the transmission case large cover and is sealed through a sealing ring 3, the inner end of the abutting face of the transmission case shell and the lower end face of the transmission case large cover is higher than the outer end of the transmission case shell, the inner end of the lower end face of the transmission case large cover is closer to the inner side than the inner end of the upper end face of the transmission case shell, so that a suspension section is formed between the inner end of the lower end face of the transmission case large cover and the inner end of the upper end face of the transmission case.
When the transmission case large cover is implemented, the inner end of the lower end face of the transmission case large cover is arranged on the inner side of the inner end of the upper end face of the transmission case shell, so that a section of suspended section is formed between the lower end face of the transmission case large cover and the upper end face of the transmission case shell, the generation of oil accumulation points in the prior art is avoided, an oil intercepting groove is formed in the suspended section, oil is further intercepted and flows to the upper end face of the transmission case shell along the suspended section, the oil is prevented from leaking to the outside from the upper end face of the transmission case shell, the problem of oil leakage between the transmission case large cover and the transmission case shell is solved, the problem of environmental pollution and the like is avoided, when the transmission case large cover is implemented, the lower end of the transmission case large cover can be thickened through the casting process, and the inner end of the.
When the sealing device is implemented, a mounting groove is formed in the butt joint of the lower end face of the large transmission case cover and the upper end face of the transmission case shell, and the sealing ring 3 is arranged in the mounting groove and used for sealing a gap between the upper end face of the transmission case shell and the lower end face of the large transmission case cover.
During implementation, the installation groove is formed in the lower end face of the large transmission box cover, the sealing ring is arranged in the installation groove, the sealing performance is further improved, and the oil can be prevented from leaking as safety.
Claims (2)
1. The utility model provides a transmission case structure of prevention of seepage oil, includes transmission case casing and the big lid of transmission case that is located transmission case casing top, terminal surface looks butt and sealed through the sealing washer under transmission case casing up end and the big lid of transmission case, and the inner of both butt faces is higher than the outer end, its characterized in that: the inner end of the lower end face of the large transmission case cover is closer to the inner side than the inner end of the upper end face of the transmission case shell, so that a suspension section is arranged between the inner end of the lower end face of the large transmission case cover and the inner end of the upper end face of the transmission case shell, and a circle of oil intercepting groove is formed in the suspension section in the length direction.
2. An oil-tight transmission case structure according to claim 1, characterized in that: the transmission case is characterized in that a mounting groove is formed in the abutting position of the lower end face of the transmission case large cover and the upper end face of the transmission case shell, and the sealing ring is arranged in the mounting groove and used for sealing a gap between the upper end face of the transmission case shell and the lower end face of the transmission case large cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020826660.6U CN212106852U (en) | 2020-05-18 | 2020-05-18 | Transmission case structure of prevention of seepage oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020826660.6U CN212106852U (en) | 2020-05-18 | 2020-05-18 | Transmission case structure of prevention of seepage oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106852U true CN212106852U (en) | 2020-12-08 |
Family
ID=73622296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020826660.6U Active CN212106852U (en) | 2020-05-18 | 2020-05-18 | Transmission case structure of prevention of seepage oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106852U (en) |
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2020
- 2020-05-18 CN CN202020826660.6U patent/CN212106852U/en active Active
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