CN210087962U - Oil blocking device and speed reducer - Google Patents
Oil blocking device and speed reducer Download PDFInfo
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- CN210087962U CN210087962U CN201920991168.1U CN201920991168U CN210087962U CN 210087962 U CN210087962 U CN 210087962U CN 201920991168 U CN201920991168 U CN 201920991168U CN 210087962 U CN210087962 U CN 210087962U
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Abstract
The application provides a stifled device of oil and reduction gear belongs to the automobile parts field. This oil blocks up device includes: the device comprises a body, a spiral pipe and a vent valve; the body is used for being inserted into an inner cavity of a shell of the speed reducer when in use so as to block oil in the speed reducer from seeping out of the inner cavity of the shell; the spiral tube comprises a first end part, a spiral part and a second end part, the spiral part is positioned in the body, the first end part is used for penetrating through the body and being connected with the inner cavity of the shell, and the second end part is connected with the vent valve; the spiral pipe is used for separating oil and gas in the oil gas after the oil gas in the speed reducer enters the spiral pipe from the first end part, and the separated gas enters the vent valve from the second end part so as to be discharged out of the speed reducer through the vent valve. The difficulty that this application can reduce the casing design of reduction gear and the overall size that reduces the reduction gear.
Description
Technical Field
The application relates to the technical field of automobile parts, in particular to an oil blocking device and a speed reducer.
Background
The present automobile speed reducer is generally provided with an oil filling plug and a vent plug, wherein a labyrinth for blocking oil is generally designed near an air inlet of the vent plug. The oil filling plug is unscrewed, so that oil filling operation can be performed on the speed reducer, and the vent plug plays roles of exhausting air, balancing internal and external pressures of the speed reducer and isolating water vapor of the external environment while oil blocking is realized through a labyrinth for blocking oil.
However, the provision of the oil-adding plug and the breather plug while on the speed reducer may occupy two arrangement positions on the casing of the speed reducer, while also requiring the labyrinth to be designed on the casing of the speed reducer to block the oil overflowing when exhausting from the breather plug, thus increasing the difficulty of the casing design and the overall size of the speed reducer to a greater extent.
SUMMERY OF THE UTILITY MODEL
In view of this, the oil blocking device and the speed reducer provided by the embodiment of the application can reduce the difficulty of the design of the shell of the speed reducer and the overall size of the speed reducer.
In a first aspect, an oil blocking device provided in an embodiment of the present application is applied to a speed reducer, and the oil blocking device includes: the device comprises a body, a spiral pipe and a vent valve; the body is used for being inserted into an inner cavity of a shell of the speed reducer when in use so as to block oil in the speed reducer from seeping out of an oil port of the inner cavity of the shell; the spiral tube comprises a first end part, a spiral part and a second end part, the spiral part is positioned in the body, the first end part is used for penetrating through the body and being connected with the inner cavity of the shell, and the second end part is connected with the vent valve; the spiral pipe is used for separating oil and gas in the oil gas after the oil gas in the speed reducer enters the spiral pipe from the first end part, and the separated gas enters the vent valve from the second end part so as to be discharged out of the speed reducer through the vent valve.
In the implementation process, the spiral part of the spiral pipe is arranged in the spiral body, the first end part penetrates through the body and the inner cavity of the shell body, the second end part is connected with the vent valve, so that the oil blocking device can achieve the oil blocking effect and can achieve the ventilation effect at the same time, only one part needs to be installed on the speed reducer, and then the difficulty of the shell body design of the speed reducer is reduced and the overall size of the speed reducer is reduced.
In combination with the first aspect, the present embodiments provide a first possible implementation manner of the first aspect, where the vent valve includes a vent valve seat and a vent valve ball; the vent valve seat is provided with a cavity, a first through hole and a second through hole which are communicated with the cavity; the cavity is communicated with the second end part through the first through hole; the vent valve ball is arranged in the cavity, and the volume of the cavity is larger than that of the vent valve ball; the vent valve ball is used for ejecting gas from the second through hole after jacking the vent valve ball blocking the first through hole when the gas is ejected from the second end part and enters the first through hole; the vent valve ball is also used for blocking the first through hole when the air pressure at the second through hole is larger than that at the first through hole so as to prevent the air outside the cavity from entering the speed reducer from the second through hole; the second through hole is used for discharging the gas entering from the first through hole to the outside of the cavity body.
In the implementation process, the vent valve seat and the vent valve ball are arranged, the cavity is arranged in the vent valve seat, the first through hole communicated with the cavity and the second through hole communicated with the cavity are formed in the vent valve seat, so that gas exhausted from the second end part can be exhausted through the second through hole, and the ventilation effect is achieved.
With reference to the first aspect, the present application provides a second possible implementation manner of the first aspect, and a first opening is provided on the body, and the second end portion passes through the first opening and is connected to the vent valve.
In combination with the second possible implementation manner of the first aspect, the present application provides an example of a third possible implementation manner of the first aspect, where the oil blocking device further includes: a seal for sealing the first opening, the second end connected to the vent valve through the seal.
In the above-mentioned realization process, can avoid external gas to get into this internally from first opening through setting up the sealing member, and then lead to during gaseous entering reduction gear, and then improve the security and the life of reduction gear.
In combination with any one of the embodiments of the first aspect, the present examples provide a fourth possible embodiment of the first aspect, and the first end portion, the spiral portion, and the second end portion are integrally formed.
In the implementation process, the first end part, the spiral part and the second end part are arranged into an integrally formed structure, so that oil gas discharged from the speed reducer is not easy to leak or leak after entering the spiral pipe, and the quality of the oil blocking device is ensured. On the other hand, the installation and maintenance of the spiral pipe can be facilitated.
With reference to the fourth possible implementation manner of the first aspect, this application provides an example of a fifth possible implementation manner of the first aspect, where the first end is a straight pipe.
With reference to the fifth possible implementation manner of the first aspect, this application provides a sixth possible implementation manner of the first aspect, and the second end is a straight pipe.
In combination with the second possible implementation manner of the first aspect, an embodiment of the present application provides a seventh possible implementation manner of the first aspect, the body includes a circular truncated cone and a cylinder, a hollow cavity with a second opening is provided in the cylinder, the circular truncated cone is connected to the cylinder, and the first opening penetrates through the circular truncated cone and the second opening.
With reference to the seventh possible implementation manner of the first aspect, an embodiment of the present application provides an eighth possible implementation manner of the first aspect, and the circular truncated cone is integrally formed with the cylindrical body.
In a second aspect, a speed reducer provided by an embodiment of the present application includes the oil blocking device according to any one of the first aspect.
In the implementation process, the oil blocking device is only needed to achieve the effects of oil blocking and ventilation, so that the difficulty of shell design of the speed reducer can be reduced, and the overall size of the speed reducer is reduced.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an oil blocking device provided in an embodiment of the present application;
fig. 2 is a cross-sectional view taken along a-a line in the oil blocking device shown in fig. 1;
fig. 3 is an exploded schematic view of an oil blocking device provided in an embodiment of the present application;
FIG. 4 is a schematic view of a breather valve seat in the oil shut-off device shown in FIG. 3;
fig. 5 is a schematic structural diagram of a speed reducer according to an embodiment of the present application.
Icon: 100-oil blocking device; 110-a spiral pipe; 120-a body; 130-a vent valve; 140-a seal; 150-sealing sleeve; 111-a first end portion; 112-a spiral portion; 113-a second end; 121 — a first opening; 122-a receiving cavity; 123-a circular truncated cone; 124-cylinder; 125-a second opening; 131-a vent valve seat; 132-a vent valve ball; 133-cavity; 134-a first via; 135-a second through hole; 200-speed reducer.
Detailed Description
The above-mentioned drawbacks of the prior art are considered by the applicant to be the result of practical and careful study, and therefore, the discovery process of the above-mentioned problems and the solutions proposed by the embodiments of the present application in the following description should be the contribution of the applicant to the present application in the course of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 to 4, an embodiment of the present application provides an oil blocking device 100, where the oil blocking device 100 includes: a body 120, a solenoid 110, and a vent valve 130.
Optionally, the helical tube 110 includes a first end 111, a helical portion 112, and a second end 113.
Alternatively, one end of the spiral part 112 is connected to the first end part 111, and the other end of the spiral part 112 is connected to the second end part 113.
In one embodiment, the first end 111, the spiral portion 112, and the second end 113 are integrally formed.
In the implementation process, the first end portion 111, the spiral portion 112 and the second end portion 113 are integrally formed, so that on one hand, oil gas discharged from the speed reducer is not easy to leak or leak after entering the spiral tube 110, and the quality of the oil blocking device 100 is ensured. On the other hand, installation and maintenance of the spiral tube 110 may also be facilitated.
As another embodiment, the first end portion 111, the spiral portion 112, and the second end portion 113 may be connected by welding.
Of course, in practical use, the first end portion 111, the spiral portion 112 and the second end portion 113 may be connected by other methods, such as adhesion or snap connection. Here, the number of the carbon atoms is not particularly limited.
Optionally, the helical portion 112 is located within the body 120.
Alternatively, the shape of the spiral portion 112 resembles the shape of a spring.
Alternatively, the number of turns of the helical loop of the helical portion 112 may be multiple turns. For example, the number of turns of the spiral ring of the spiral part 112 may be 5 turns, 6 turns, or the like. Here, the number of the carbon atoms is not particularly limited.
Optionally, the spiral pipe 110 is used for separating oil and gas in the oil and gas after the oil and gas in the decelerator enter the spiral pipe 110 from the first end 111, the oil and gas are separated at the spiral part 112 of the spiral pipe 110, and the separated gas enters the breather valve 130 from the second end 113, so as to discharge the gas out of the decelerator through the breather valve 130.
Alternatively, oil gas refers to a gas in which oil is carried.
It should be noted that, because the reducer can generate a higher temperature during operation, and then a high temperature can lead to liquid oil in the reducer to be gasified to generate oil gas, and after the oil gas enters the spiral portion, because the path of the oil gas traveling in the spiral portion is longer and the temperature in the spiral portion 112 is significantly lower than the temperature in the reducer, the oil gas can be condensed in the spiral portion 112, so that oil-gas separation is realized, the separated gas can be discharged through the second end portion 113, and the condensed liquid oil can drip from the spiral portion 112 to the first end portion 111, and further the separated oil can be returned to the reducer.
Optionally, the first end 111 is a straight tube.
Alternatively, first end 111 may be a cylindrical, straight tube.
Of course, in actual use, the first end 111 may be a rectangular or square straight tube.
Of course, in practical use, the first end portion 111 may be a bent pipe. Here, the number of the carbon atoms is not particularly limited.
Alternatively, the cross-section of the spiral portion 112 may be circular.
Of course, in practical use, the cross-section of the spiral portion 112 may also be rectangular.
Optionally, the second end 113 is a straight tube.
Alternatively, the second end 113 may be a cylindrical, straight tube.
Of course, in actual use, the second end 113 may be a rectangular or square straight tube.
Of course, in practical use, the second end 113 may also be a bent pipe. Here, the number of the carbon atoms is not particularly limited.
Optionally, the body 120 is adapted to be inserted into a housing cavity of the retarder in use to block oil in the retarder from seeping out of the housing cavity.
That is, when the oil blocking device 100 is inserted into the housing cavity of the decelerator, the body 120 serves to block the housing cavity to prevent oil in the decelerator from leaking out of the housing cavity.
In one embodiment, the body 120 is provided with a first opening 121 and a receiving cavity 122. The first opening 121 communicates with the accommodating chamber 122.
Optionally, the second end 113 is connected to the vent valve 130 through the first opening 121.
Optionally, when the diameter of the first opening 121 is the same as the diameter of the second end 113, the first opening 121 is used for connecting the second end 113 with the vent plug 130. At this time, the coil 110 may enter the accommodating chamber 122 in other manners, for example, the body 120 may resemble a writing case, and the coil 110 may enter the accommodating chamber 122 by opening the body 120.
It is to be understood that the above description is intended to be illustrative, and not restrictive.
Optionally, when the diameter of the first opening 121 is larger than or equal to the diameter of the spiral part 112, the first opening 121 is used for allowing the spiral part 112 to enter the accommodating cavity 122.
Optionally, a receiving cavity 122 is used to house the spiral portion 112.
Alternatively, the first end 111 is used to connect to the housing cavity of the reducer through the body 120, and the second end 113 is connected to the vent valve 130. That is, the body 120 is provided with a through hole having the same diameter as the first end portion 111, and the through hole is communicated with the accommodating cavity 122, so that the first end portion 111 can pass through the through hole having the same diameter as the first end portion 111 and then be connected with the inner cavity of the housing of the speed reducer.
Optionally, in order to prevent oil and gas in the speed reducer from entering the accommodating chamber 122 from the gap between the first end portion 111 and the through hole, the gap between the first end portion 111 and the through hole is sealed. For example, the sealing may be performed by glue, or by providing a rubber ring.
Alternatively, the diameter of the receiving cavity 122 is equal to the outer diameter of the spiral part 112, i.e. the receiving cavity 122 can just receive the spiral part 112.
In the implementation process, the diameter of the accommodating cavity 122 is set to be equal to the outer diameter of the spiral part 112, so that the spiral part 112 cannot swing in the accommodating cavity 122, and the damage probability of the spiral pipe 110 is reduced.
Optionally, the body 120 is cylindrical.
Of course, in practical use, the body 120 may have other shapes, such as a rectangular parallelepiped, a square, a cone, etc.
Optionally, the body 120 includes a circular truncated cone 123 and a cylinder 124, a hollow cavity with a second opening 125 is provided in the cylinder 124, the circular truncated cone 123 is connected to the cylinder 124, and the first opening 121 penetrates through the circular truncated cone 123 and is communicated with the second opening 125. At this time, the accommodating cavity 122 is a cavity formed by the thickness of the circular truncated cone 123 and the hollow cavity.
Alternatively, when the size of the first opening 121 is equal to the size of the second opening 125, the first opening 121 coincides with the second opening 125.
Alternatively, the size of the second opening 125 may be set according to the size of the outer diameter of the spiral part 112.
It should be appreciated that, in general, the diameter of the second opening 125 is greater than or equal to the outer diameter of the helical portion 112.
Optionally, the diameter of the circular truncated cone 123 is larger than the diameter of the cylindrical body 124.
Optionally, the circular platform 123 is used for a user to hold in hand when removing or inserting the decelerator.
In the implementation process, the diameter of the circular truncated cone 123 is set to be larger than that of the cylinder 124, so that a user can conveniently operate the body 120 by holding the circular truncated cone 123 when inserting the body 120 into the reducer.
Alternatively, when the size of the first opening 121 is equal to that of the second opening 125, the circular truncated cone 123 and the cylindrical body 124 may be integrally formed.
Alternatively, when the size of the first opening 121 is not equal to the size of the second opening 125, the circular truncated cone 123 and the cylinder 124 may be connected by welding.
Optionally, the vent valve 130 includes a vent valve seat 131 and a vent valve ball 132.
Optionally, the vent valve seat 131 is coupled to the second end 113.
Optionally, a cavity 133, a first through hole 134 communicating with the cavity 133, and a second through hole 135 communicating with the cavity 133 are disposed in the vent valve seat 131.
Optionally, the cavity 133 is communicated with the second end 113 through the first through hole 134.
Optionally, the vent valve ball 132 is disposed in the vent valve seat 131, specifically, the vent valve ball 132 is disposed in the cavity 133, and the volume of the cavity 133 is larger than the volume of the vent valve ball 132; because the volume of the cavity 133 is greater than the volume of the vent valve ball 132, the vent valve ball 132 may move within the cavity 133.
Optionally, the vent valve ball 132 is adapted to vent the gas from the second bore 135 against the vent valve ball 132 blocking the first bore 134 when the gas is vented from the second end 113 and into the first bore 134.
Optionally, the vent valve ball 132 is further used for blocking the first through hole 134 when the air pressure at the second through hole 135 is greater than the air pressure at the first through hole 134, so as to prevent the air outside the cavity 133 from entering the reducer from the second through hole 135.
Optionally, the second through hole 135 is used for exhausting the gas entering from the first through hole 134 to the outside of the cavity 133.
In the implementation process, the vent valve seat 131 and the vent valve ball 132 are provided, and the vent valve seat 131 is provided with the cavity 133, the first through hole 134 communicated with the cavity 133 and the second through hole 135 communicated with the cavity 133, so that the gas exhausted from the second end portion 113 can be exhausted through the second through hole 135, and the ventilation effect is realized.
Alternatively, the cavity 133 may be cylindrical or conical.
It will be appreciated that when the cavity 133 is conical, the first through-hole 134 is located at the apex of the cone.
Optionally, the first via 134 is remote from the second via 135.
Alternatively, the second through hole 135 may be provided at an end opposite to the first through hole 134.
Of course, in practical use, the second through hole 135 may be disposed at an end not opposite to the first through hole 134.
Alternatively, the number of the second through holes 135 may be one or more.
Alternatively, the diameter of the second through hole 135 may be smaller than or equal to the diameter of the first through hole 134.
It is to be understood that the above description is intended to be illustrative, and not restrictive.
In a possible embodiment, the present application provides an oil blocking device 100, further comprising: a seal 140.
Optionally, the seal 140 is used to seal the first opening 121, and the second end 113 is connected to the vent valve 130 through the seal 140. It will be appreciated that the seal in this case is necessarily provided with a through hole for the second end 113 to pass through. Alternatively, the through hole may be sized to be equal to the diameter of the second end.
Alternatively, the sealing member 140 may be a rubber stopper.
In the implementation process, the sealing element 140 is arranged to prevent external gas from entering the body 120 from the first opening 121, so that the gas enters the speed reducer, and the safety and the service life of the speed reducer are improved.
In a possible embodiment, the present application provides an oil blocking device 100, further comprising: a sealing boot 150.
Optionally, the sealing sleeve 150 is configured to be sleeved on the body 120, and specifically, the sealing sleeve 150 is configured to be sleeved on the cylinder 124, so as to improve the sealing performance between the oil blocking device 100 and the speed reducer.
Optionally, the sealing boot 150 is made of siliconized rubber.
Optionally, the sealing sleeve 150 is toothed.
In the implementation process, the sealing performance between the oil blocking device 100 and the speed reducer can be better by arranging the sealing sleeve 150, and the probability of oil seepage in the speed reducer is further reduced.
According to the oil blocking device 100 provided by the embodiment of the application, the body 120, the spiral pipe 110 and the vent valve 130 are arranged, the spiral part 112 of the spiral pipe 110 is arranged in the body 120, the first end part 111 penetrates through the body 120 to be connected with the inner cavity of the shell, and the second end part 113 is connected with the vent valve 130, so that the oil blocking device 100 not only can realize an oil blocking effect, but also can realize a ventilation effect at the same time, only one part needs to be mounted on the speed reducer, the difficulty of the shell design of the speed reducer is further reduced, the overall size of the speed reducer is reduced, further, the oil blocking device 100 in the application can realize the oil blocking effect and the ventilation effect at the same time, and compared with the prior art which needs two parts to realize the oil blocking effect and the ventilation effect respectively, the generation cost can be effectively reduced; further, since only one component needs to be managed, the failure risk can be effectively reduced.
Referring to fig. 5, an embodiment of the present application provides a speed reducer 200, where the speed reducer 200 includes the oil blocking device 100 according to the above embodiment. The specific functions and structures of the oil blocking device 100 can be referred to the above description, and the detailed description is appropriately omitted here to avoid redundancy.
According to the speed reducer 200 provided by the embodiment of the application, the effects of oil blocking and ventilation can be simultaneously realized only by one oil blocking device 100, so that the difficulty of the design of the shell of the speed reducer 200 is reduced, and the overall size of the speed reducer is reduced.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (10)
1. An oil blocking device, which is applied to a speed reducer, the oil blocking device comprising: the device comprises a body, a spiral pipe and a vent valve;
the body is used for being inserted into an inner cavity of a shell of the speed reducer when in use so as to block oil in the speed reducer from seeping out of the inner cavity of the shell;
the spiral tube comprises a first end part, a spiral part and a second end part, the spiral part is positioned in the body, the first end part is used for penetrating through the body and being connected with the inner cavity of the shell, and the second end part is connected with the vent valve;
the spiral pipe is used for separating oil and gas in the oil gas after the oil gas in the speed reducer enters the spiral pipe from the first end part, and the separated gas enters the vent valve from the second end part so as to be discharged out of the speed reducer through the vent valve.
2. The oil blocking device of claim 1, wherein the vent valve comprises a vent valve seat and a vent valve ball;
the vent valve seat is provided with a cavity, a first through hole and a second through hole which are communicated with the cavity;
the cavity is communicated with the second end part through the first through hole;
the vent valve ball is arranged in the cavity, and the volume of the cavity is larger than that of the vent valve ball;
the vent valve ball is used for ejecting gas from the second through hole after jacking the vent valve ball blocking the first through hole when the gas is ejected from the second end part and enters the first through hole;
the vent valve ball is also used for blocking the first through hole when the air pressure at the second through hole is larger than that at the first through hole so as to prevent the air outside the cavity from entering the speed reducer from the second through hole;
the second through hole is used for discharging the gas entering from the first through hole to the outside of the cavity body.
3. The oil blocking device of claim 1, wherein the body is provided with a first opening, and the second end portion is connected to the vent valve through the first opening.
4. The oil blocking device according to claim 3, further comprising: a seal for sealing the first opening, the second end connected to the vent valve through the seal.
5. The oil dam of any one of claims 1-4, wherein the first end portion, the spiral portion, and the second end portion are integrally formed.
6. An oil dam according to claim 5, wherein the first end is a straight pipe.
7. An oil dam according to claim 6, wherein the second end is a straight pipe.
8. The oil plugging device according to claim 3, wherein the body comprises a circular truncated cone and a cylinder, a hollow cavity with a second opening is arranged in the cylinder, the circular truncated cone is connected with the cylinder, and the first opening penetrates through the circular truncated cone and is communicated with the second opening.
9. The oil dam of claim 8, wherein the boss is integrally formed with the cylinder.
10. A reducer characterized by comprising an oil blocking device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991168.1U CN210087962U (en) | 2019-06-27 | 2019-06-27 | Oil blocking device and speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991168.1U CN210087962U (en) | 2019-06-27 | 2019-06-27 | Oil blocking device and speed reducer |
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| Publication Number | Publication Date |
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| CN210087962U true CN210087962U (en) | 2020-02-18 |
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| CN201920991168.1U Active CN210087962U (en) | 2019-06-27 | 2019-06-27 | Oil blocking device and speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185773A (en) * | 2019-06-27 | 2019-08-30 | 四川阿尔特新能源汽车有限公司 | Oily block apparatus and retarder |
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2019
- 2019-06-27 CN CN201920991168.1U patent/CN210087962U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185773A (en) * | 2019-06-27 | 2019-08-30 | 四川阿尔特新能源汽车有限公司 | Oily block apparatus and retarder |
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