CN114683571A - Manufacturing method of oil-gas converter oil can, oil-gas converter oil can and automobile - Google Patents
Manufacturing method of oil-gas converter oil can, oil-gas converter oil can and automobile Download PDFInfo
- Publication number
- CN114683571A CN114683571A CN202210308513.3A CN202210308513A CN114683571A CN 114683571 A CN114683571 A CN 114683571A CN 202210308513 A CN202210308513 A CN 202210308513A CN 114683571 A CN114683571 A CN 114683571A
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- oil
- gas converter
- sizing material
- pressure
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000004513 sizing Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 230000004927 fusion Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a manufacturing method of an oil-gas converter oil can, the oil-gas converter oil can and an automobile, wherein the method comprises the following steps: step A: heating the outside of the melting cylinder to 180-200 ℃, adding solid particle sizing material into the melting cylinder, plasticizing the granular plastic by heat energy, and converting the sizing material from a granular state to a liquid state; and B, step B: injecting the liquid sizing material into the mold cavity by the thrust of the screw rod to fully fill the mold cavity with the sizing material, and maintaining the flow of the liquid sizing material by maintaining the pressure maintaining pressure for a preset time; and C: the pressure maintaining pressure is completely removed, the liquid in the die cavity is continuously conducted and cooled along with the temperature of the die to be shaped, and the temperature is reduced until the product can bear the die opening, so that an upper cover and a lower cover are obtained; step D: and connecting the upper cover and the lower cover together through thermal fusion to form the oil-gas converter oil can.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a manufacturing method of an oil-gas converter oil can, the oil-gas converter oil can and an automobile.
Background
The oil-gas converter oil can is used for storing, filtering and cooling working oil of the hydraulic power-assisted steering system. In recent years, automobile part manufacturers make some technological improvements on automobile oil-gas converter oilcans, and the manufacturing cost of the oil-gas converter oilcans is also reduced, but the oil-gas converter oilcans manufactured by the existing manufacturing method of the steering oil pump are damaged when being pressurized to a certain mortgage state, so that the oil-gas converter oilcans cannot be used continuously.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a method for manufacturing an oil-gas converter oil can, and an automobile, which effectively solve the technical problem that the oil-gas converter oil can manufactured by the conventional method for manufacturing a steering oil pump is damaged when pressurized to a certain pressing state, and thus cannot be used continuously.
The embodiment of the invention adopts the following technical scheme:
an embodiment of the present application provides a method of manufacturing an oil-gas converter oilcan, the method comprising:
step A: heating the outside of the melting cylinder to 180-200 ℃, adding solid particle sizing material into the melting cylinder, plasticizing the granular plastic by heat energy, and converting the sizing material from a granular state to a liquid state;
and B: injecting the liquid sizing material into the die cavity by screw thrust to fill the die cavity with the sizing material, and maintaining the pressure maintaining pressure for a preset time to maintain the flow of the liquid sizing material;
and C: the pressure maintaining pressure is completely removed, the liquid in the die cavity is continuously conducted and cooled along with the temperature of the die to be shaped, and the temperature is reduced until the product can bear the die opening, so that an upper cover and a lower cover are obtained;
step D: and connecting the upper cover and the lower cover together through thermal fusion to form the oil-gas converter oil can.
In some embodiments of the present application, before the step a, the method further includes:
and pouring the solid particle rubber material into a charging basket, controlling the temperature at 80 ℃ for 60min, and drying the solid particle rubber material through the charging basket.
In some embodiments of the present application, the step a comprises:
the outside of the melting barrel is heated to 180-200 ℃, solid particle sizing materials are subjected to temperature conduction inside in a screw material returning mode, the granular plastic is plasticized through heat energy, and the sizing materials are converted into a liquid state from a granular state.
In some embodiments of the present application, the step B comprises:
and injecting the liquid sizing material into the die cavity by a meter through screw thrust so as to fill the die cavity with the sizing material, and keeping the injection pressure for a preset time length to maintain the flow of the liquid sizing material.
In some embodiments of the present application, the dwell pressure is 30% to 60% of the injection pressure.
In some embodiments of the present application, the step C comprises:
and (4) completely removing the pressure maintaining pressure, continuously conducting and cooling the liquid in the die cavity along with the temperature of the die to be shaped, standing for 5 seconds, and reducing the temperature until the product can bear the die sinking to obtain an upper cover and a lower cover.
The embodiment of this application still provides an oil gas converter oilcan, includes:
the oil-gas converter oil can is formed by executing the manufacturing method of the oil-gas converter oil can.
In some embodiments of the present application, the oil-gas converter oilcan comprises:
the body is provided with an inner cavity and an opening arranged at the top, and the inner cavity is communicated with the opening;
the lid, the lid can be covered and established on the opening, and can seal the inner chamber, affiliated lid has the guide part, be equipped with the bleeder vent on the guide part for be connected with the pipe fitting and supply the inner chamber is ventilated.
In some embodiments of the present application, further comprising:
the oil float is arranged in the inner cavity, a detection piece and an electric connection port are arranged on the body, the detection piece is arranged on the electric connection port, the detection piece is used for acquiring a height signal of the oil float, and the electric connection port is used for electrifying the detection piece.
Embodiments of the present application also provide an oil pump, the oil pump includes:
the oil-gas converter oilcan as described above.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
according to the manufacturing method of the oil-gas converter oilcan, the oil-gas converter oilcan and the automobile, the oil-gas converter oilcan manufactured through the oil-gas converter oilcan can be resistant and does not crack at the temperature of-41-120 ℃, the oil-gas converter oilcan is pressurized to 0.5MPa through a pressure screw cap (special screw cap), the pressure drop of 30s is not more than 500Pa, and the oil-gas converter oilcan cannot be cracked or deformed: meanwhile, the pressure can be applied through a pressure screw cap (special screw cap) until the oil can of the oil-gas converter is broken; the fracture contraction pressure is not less than 0.6 MPa; and the technical problem that the oil-gas converter oil can cannot be continuously used due to the fact that the oil-gas converter oil can be damaged when the oil-gas converter oil can be pressurized to a certain low-pressure state in the existing manufacturing method of the steering oil pump can be effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart of a method of manufacturing an oil-to-gas converter oil can according to the present invention;
fig. 2 is a schematic structural diagram of an oil-gas converter oilcan provided by the invention.
Wherein:
100. a body; 101. an upper cover; 102. a lower cover; 200. a cover; 201. a guide portion; 300. An oil float; 400. a detection member; 500. and an electric interface.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, a one-piece connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention provides a method of manufacturing an oil-gas converter oil can, the method comprising:
step A: heating the outside of the melting cylinder to 180-200 ℃, adding solid particle sizing material into the melting cylinder, plasticizing the granular plastic by heat energy, and converting the sizing material from a granular state to a liquid state;
specifically, the melting cylinder is externally heated by 180-200 ℃, the interior of the melting cylinder reaches the required temperature through heat balance, then the sizing material of solid particles is subjected to internal temperature conduction through a screw material returning mode, granular plastic is plasticized through heat energy and is converted into a viscous flow liquid state from a granular state, and the density and the viscosity are uniform through screw thread shearing and compression (the pressure is 60-90 Mpa).
And B: injecting the liquid sizing material into the die cavity by screw thrust to fill the die cavity with the sizing material, and maintaining the pressure maintaining pressure for a preset time to maintain the flow of the liquid sizing material;
and C: the pressure maintaining pressure is completely removed, the liquid in the die cavity is continuously conducted and cooled along with the temperature of the die to be shaped, and the temperature is reduced until the product can bear the die opening, so that the upper cover 101 and the lower cover 102 are obtained;
step D: the upper cover 101 and the lower cover 102 are connected together by thermal welding to form an oil-gas converter oil can.
In the method for manufacturing the oil-gas converter oil can provided by this embodiment, the oil-gas converter oil can manufactured by the oil-gas converter oil can withstand and not crack at a temperature of-41 ℃ to 120 ℃, the oil-gas converter oil can is pressurized to 0.5MPa by a pressure screw cap (special screw cap), a pressure drop of 30s is not more than 500Pa, and the oil-gas converter oil can cannot be cracked or deformed: meanwhile, the pressure can be applied through a pressure screw cap (special screw cap) until the oil can of the oil-gas converter is broken; the fracture contraction pressure is not less than 0.6 MPa; and the technical problem that the oil-gas converter oil can cannot be continuously used due to the fact that the oil-gas converter oil can be damaged when the oil-gas converter oil can be pressurized to a certain pressing state in the existing manufacturing method of the steering oil pump can be effectively solved.
In some embodiments of the present application, the step a comprises:
the outside of the melting barrel is heated to 180-200 ℃, solid particle sizing materials are subjected to temperature conduction inside in a screw material returning mode, the granular plastic is plasticized through heat energy, and the sizing materials are converted into a liquid state from a granular state.
Through the mode that the screw rod carries out the feed back, can receive screw rod screw thread shearing, compression (pressure 60 ~ 90Mpa) at the in-process of feed back and make density and viscosity obtain evenly.
In some embodiments of the present application, the step B comprises:
injecting the liquid rubber material into the mold cavity by a meter under the thrust of a screw so that the mold cavity is filled with the rubber material, and maintaining the flow of the liquid rubber material at an injection pressure for a preset time.
Injecting the premolded liquid rubber material into the mold cavity through the metering chamber by the thrust of the screw until the mold cavity is filled; the injection pressure must be maintained after the injection is complete to maintain the liquid flow, allowing the liquid in the mold cavity to further pressurize and increase the product density before it is not fully cooled.
Wherein the pressure maintaining pressure is 30-60% of the injection pressure.
In some embodiments of the present application, the step C comprises:
and (3) completely removing the pressure maintaining pressure, continuously conducting and cooling the liquid in the die cavity along with the temperature of the die to be shaped, standing for 5 seconds, and reducing the temperature until the product can bear the die opening to obtain the upper cover 101 and the lower cover 102.
By setting the standing time, the temperature can have enough time to cool and shape stably, and the problem that the upper cover 101 and the lower cover 102 are cracked and damaged in the mold opening process is avoided.
As shown in fig. 2, embodiments of the present application also provide an oil-gas converter oilcan, comprising:
the oil-gas converter oil can is formed by executing the manufacturing method of the oil-gas converter oil can.
The oil-gas converter oilcan manufactured by the oil-gas converter oilcan can be resistant to the temperature of-41-120 ℃ and does not crack, the oil-gas converter oilcan is pressurized to 0.5MPa by a pressure screw cap (special screw cap), the pressure drop of 30s is not more than 500Pa, and the oil-gas converter oilcan cannot be cracked or deformed: meanwhile, the pressure can be applied through a pressure screw cap (special screw cap) until the oil can of the oil-gas converter is broken; the fracture contraction pressure is not less than 0.6 MPa; and the technical problem that the oil-gas converter oil can cannot be continuously used due to the fact that the oil-gas converter oil can be damaged when the oil-gas converter oil can be pressurized to a certain pressing state in the existing manufacturing method of the steering oil pump can be effectively solved.
In some embodiments of the present application, the oil-gas converter oilcan comprises:
a body 100 having an inner cavity and an opening at the top, the inner cavity being in communication with the opening;
the lid 200, lid 200 can cover and establish on the opening, and can seal the inner chamber, affiliated lid 200 has guide part 201, be equipped with the bleeder vent on the guide part 201, be used for with the pipe connection confession the inner chamber is ventilated.
The body 100 comprises an upper cover 101 and a lower cover 102, the upper cover 101 and the lower cover 102 are welded together by thermal welding, the upper cover 101 and the lower cover 102 together form the body 100 and an inner cavity, the inner cavity is used for containing the brake fluid, and the brake fluid can be recycled through a communicating inlet and an outlet arranged on the lower cover 102; in order to improve the strength of the upper cover 101 and the lower cover 102, more reinforcing ribs are arranged on the upper cover 101, so that the upper cover 101 and the lower cover 102 can have enough strength, and the oil-gas converter oil can has stronger compressive strength.
In some embodiments of the present application, further comprising:
the oil float 300 is arranged in the inner cavity, the body 100 is provided with a detection piece 400 and an electricity connection port, the detection piece 400 is arranged on the electricity connection port, the detection piece 400 is used for acquiring a height signal of the oil float 300, and the electricity connection port is used for electrifying the detection piece 400.
The oil float 300 can be through in the inner chamber along with fluid motion, the oil float 300 can by the detection piece 400 perception, through connect the electric mouth with external power plug connection, be used for doing the detection piece 400 power supply when fluid is less than certain height, sends out the police dispatch newspaper, in time reminds operating personnel to supply fluid.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the oil pump described above may refer to a corresponding process in the embodiment of the manufacturing method of the oil-gas converter oil can, and is not described herein again.
Embodiments of the present application further provide an automobile, including:
the oil-gas converter oilcan as described above.
The oil-gas converter oilcan manufactured by the oil-gas converter oilcan can be resistant to the temperature of-41-120 ℃ and does not crack, the oil-gas converter oilcan is pressurized to 0.5MPa by a pressure screw cap (special screw cap), the pressure drop of 30s is not more than 500Pa, and the oil-gas converter oilcan cannot be cracked or deformed: meanwhile, the pressure can be applied through a pressure screw cap (special screw cap) until the oil can of the oil-gas converter is broken; the fracture contraction pressure is not less than 0.6 MPa; and the technical problem that the oil-gas converter oil can cannot be continuously used due to the fact that the oil-gas converter oil can be damaged when the oil-gas converter oil can be pressurized to a certain pressing state in the existing manufacturing method of the steering oil pump can be effectively solved.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the oil pump described above may refer to a corresponding process in the embodiment of the oil-gas converter oil can, and is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. 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 application. Thus, the present application 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 (10)
1. A method of manufacturing an oil-to-gas converter can, the method comprising:
step A: heating the outside of the melting cylinder to 180-200 ℃, adding solid particle sizing material into the melting cylinder, plasticizing the granular plastic by heat energy, and converting the sizing material from a granular state to a liquid state;
and B, step B: injecting the liquid sizing material into the die cavity by screw thrust to fill the die cavity with the sizing material, and maintaining the pressure maintaining pressure for a preset time to maintain the flow of the liquid sizing material;
and C: the pressure maintaining pressure is completely removed, the liquid in the die cavity is continuously conducted and cooled along with the temperature of the die to be shaped, and the temperature is reduced until the product can bear the die opening, so that an upper cover and a lower cover are obtained;
step D: and connecting the upper cover and the lower cover together through thermal fusion to form the oil-gas converter oil can.
2. The method of manufacturing an oil-gas converter can according to claim 1, further comprising, before step a:
and pouring the solid particle rubber material into a charging basket, controlling the temperature at 80 ℃ for 60min, and drying the solid particle rubber material through the charging basket.
3. The method of manufacturing an oil-to-gas converter can of claim 2, wherein step a comprises:
the outside of the melting barrel is heated to 180-200 ℃, solid particle sizing materials are subjected to temperature conduction inside in a screw material returning mode, the granular plastic is plasticized through heat energy, and the sizing materials are converted into a liquid state from a granular state.
4. The method of manufacturing an oil-gas converter can according to claim 3, wherein said step B comprises:
and injecting the liquid sizing material into the die cavity by a meter through screw thrust so as to fill the die cavity with the sizing material, and keeping the injection pressure for a preset time length to maintain the flow of the liquid sizing material.
5. The method of manufacturing an oil-gas converter can according to claim 1, wherein the dwell pressure is 30% to 60% of the injection pressure.
6. The method of manufacturing an oil-to-gas converter can of claim 5, wherein step C comprises:
and (4) completely removing the pressure maintaining pressure, continuously conducting and cooling the liquid in the die cavity along with the temperature of the die to be shaped, standing for 5 seconds, and reducing the temperature until the product can bear the die sinking to obtain an upper cover and a lower cover.
7. An oil-gas converter oilcan, comprising:
an oil-gas converter oilcan formed by performing the method for manufacturing an oil-gas converter oilcan according to any one of claims 1 to 6.
8. The oil-gas converter oilcan of claim 7, comprising:
the body is provided with an inner cavity and an opening arranged at the top, and the inner cavity is communicated with the opening;
the lid, the lid can be covered and established on the opening, and can seal the inner chamber, affiliated lid has the guide part, be equipped with the bleeder vent on the guide part for be connected with the pipe fitting and supply the inner chamber is ventilated.
9. The oil-gas converter oilcan of claim 8, further comprising:
the oil float is arranged in the inner cavity, a detection piece and an electric connection port are arranged on the body, the detection piece is arranged on the electric connection port, the detection piece is used for acquiring a height signal of the oil float, and the electric connection port is used for electrifying the detection piece.
10. An automobile, comprising:
the oil-gas converter oilcan of any one of claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210308513.3A CN114683571A (en) | 2022-03-25 | 2022-03-25 | Manufacturing method of oil-gas converter oil can, oil-gas converter oil can and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210308513.3A CN114683571A (en) | 2022-03-25 | 2022-03-25 | Manufacturing method of oil-gas converter oil can, oil-gas converter oil can and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN114683571A true CN114683571A (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210308513.3A Pending CN114683571A (en) | 2022-03-25 | 2022-03-25 | Manufacturing method of oil-gas converter oil can, oil-gas converter oil can and automobile |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3822878A1 (en) * | 1973-09-12 | 1988-12-29 | Teves Gmbh Alfred | Top-up reservoir for a pressure medium-actuated dual circuit brake for motor vehicles |
| CN201120502Y (en) * | 2007-12-13 | 2008-09-24 | 肖长江 | Oilcan structure of barometric automatic oiling chain saw |
| CN201545055U (en) * | 2009-10-13 | 2010-08-11 | 安徽中鼎橡塑制品有限公司 | Power-driven steering oil can |
| KR20160112254A (en) * | 2015-03-18 | 2016-09-28 | 주식회사 현대포리텍 | A brake level sensor for the oil reserver |
| CN207594947U (en) * | 2017-12-04 | 2018-07-10 | 上海辉宝精密模具有限公司 | A kind of braking automobile oil can |
| CN212709361U (en) * | 2020-08-24 | 2021-03-16 | 江西驰誉汽车零部件有限公司 | Brake oil can with circular annular structure |
-
2022
- 2022-03-25 CN CN202210308513.3A patent/CN114683571A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3822878A1 (en) * | 1973-09-12 | 1988-12-29 | Teves Gmbh Alfred | Top-up reservoir for a pressure medium-actuated dual circuit brake for motor vehicles |
| CN201120502Y (en) * | 2007-12-13 | 2008-09-24 | 肖长江 | Oilcan structure of barometric automatic oiling chain saw |
| CN201545055U (en) * | 2009-10-13 | 2010-08-11 | 安徽中鼎橡塑制品有限公司 | Power-driven steering oil can |
| KR20160112254A (en) * | 2015-03-18 | 2016-09-28 | 주식회사 현대포리텍 | A brake level sensor for the oil reserver |
| CN207594947U (en) * | 2017-12-04 | 2018-07-10 | 上海辉宝精密模具有限公司 | A kind of braking automobile oil can |
| CN212709361U (en) * | 2020-08-24 | 2021-03-16 | 江西驰誉汽车零部件有限公司 | Brake oil can with circular annular structure |
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