CN115076069B - Vacuum pump with waterproof function - Google Patents
Vacuum pump with waterproof function Download PDFInfo
- Publication number
- CN115076069B CN115076069B CN202210773431.6A CN202210773431A CN115076069B CN 115076069 B CN115076069 B CN 115076069B CN 202210773431 A CN202210773431 A CN 202210773431A CN 115076069 B CN115076069 B CN 115076069B
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- vacuum pump
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- box
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- 238000005192 partition Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 230000009471 action Effects 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/004—Draining and drying devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a vacuum pump with a waterproof function, and relates to the technical field of new energy automobiles. According to the invention, the air inlet structure of the brake system is automatically sealed off by the vacuum pump during air suction through the control component, vacuum is generated in the brake system, the control component automatically operates under the action of air flow, no active intervention of the control structure is needed, the one-way component is internally provided with the one-way valve-like structure, the air flow is prevented from carrying moisture into the vacuum pump, the driving safety of a new energy automobile is ensured, the air flow entering the vacuum pump is absorbed by the water-proof component, and meanwhile, the air-proof structure is provided with an automatic spin-drying structure, so that the absorption strength of the sponge block during water absorption is maintained.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a vacuum pump with a waterproof function.
Background
With the development of the national important propulsion of new energy pure electric vehicles, the new energy pure electric vehicles generally adopt a brake vacuum booster to assist braking, the brake vacuum booster works with a vacuum source, when an engine of a common fuel oil vehicle runs, an engine air inlet of the common fuel oil vehicle can generate vacuum to work with the brake booster, and the new energy pure electric vehicles adopt motor driving without vacuum generation and can only provide independent vacuum sources by means of an electronic vacuum pump.
During the running of the new energy pure electric automobile, if condensed water or splashed water drops are arranged on the surface of the vacuum pump, after the vacuum pump is suspended to work, the water is sucked back to the vacuum pump due to the fact that the vacuum pump is in a vacuum state at the moment, so that the vacuum pump is invalid, and then the vacuum pump sucks air and cold gas containing water vapor during the running, corrodes metal parts in the pump and then chemically changes with vacuum pump oil, and the air and the cold gas containing the water vapor can also cause the vacuum pump oil to emulsify, so that the vacuum pump oil emulsifies not only influences the service life of pump oil, but also worsens the limiting pressure, and seriously influences the normal work of the vacuum pump.
Disclosure of Invention
The invention aims to provide a vacuum pump with a waterproof function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a vacuum pump with waterproof function, includes brake system, control box, vacuum pump, one-way case, intake pipe and outlet duct, brake system is connected with control box and vacuum pump through the intake pipe, the vacuum pump is connected with one-way case, control box and brake system through the outlet duct, the inside of control box is provided with control assembly, control assembly is used for controlling the air current break-make in the outlet duct, the inside of one-way case sets up one-way subassembly, one-way subassembly is connected with the vacuum pump through the outlet duct, one-way subassembly is arranged in hindering the air current directly to get into the vacuum pump, one-way subassembly's below is provided with coupling assembling, coupling assembling is used for connecting one-way subassembly and one-way case, one-way case's inside is provided with water proof subassembly, water proof subassembly is connected with the control box through the outlet duct, water proof subassembly is arranged in absorbing the air current.
Further, the control assembly comprises an air cavity arranged in the control box, a baffle is arranged in the air cavity, the baffle is connected with the control box through a reset spring, a guide hole is formed in the baffle, a wedge plate is arranged on one side, close to the air inlet pipe, of the baffle, a sliding assembly is arranged on one side of the wedge plate, the sliding assembly is located in the air inlet pipe, the baffle is close to the space on one side of the air inlet pipe through sliding extrusion, the space volume is reduced, redundant air is used for compensating the required flow of the vacuum pump, due to movement of the baffle, the guide hole in the baffle is disconnected with an air outlet pipe, a brake system cannot provide air for the brake system through the air outlet pipe, vacuum is generated in the brake system, the new energy automobile brake is realized, after the brake is finished, the vacuum pump stops moving, airflow in the air inlet pipe disappears, the airflow disappears for kinetic energy provided by the baffle and the current limiting block, the reset spring drives the baffle and the current limiting block to reset, the air outlet pipe is connected with the guide hole again, an airflow balance hole is formed on one side, close to the baffle after the air cavity slides in the air cavity, one side, close to the baffle to the reset spring is communicated with the external environment, the space is avoided, and the closed side, close to the baffle to the reset spring is subjected to the airtight space, and the vacuum environment is normally influenced.
Further, the slip subassembly is including installing at the inside current limiting block of intake pipe, the middle part of current limiting block is provided with the through-hole, the both sides of current limiting block are provided with the breach, the outer wall that one side that the current limiting block is close to the wedge is round platform shape structure, the surface diameter size of current limiting block is the same with the internal surface diameter size of intake pipe, the breach of the both sides of current limiting block, during after the vacuum pump is opened, the current limiting block moves to the upper limit back, a part of breach is located the control box this moment, the air current accessible through-hole and the breach entering control box from the intake pipe, through reducing through-hole department flow, the big problem of resistance that the air current received of outstanding ring department is solved, the outer wall of current limiting block one side is round platform shape structure secondly, the wedge is the inclined plane to one side that current limiting block and wedge link to each other, realize that the wedge drives the current limiting block when resetting.
Further, the one-way subassembly is including installing the cone inside the outlet duct, one side of cone is provided with the connecting rod, the connecting rod has flexible function, the one end of connecting rod is provided with the yoke, be connected through the pivot between connecting rod and the yoke, the both ends and the one-way case of pivot are connected, the yoke is connected with coupling assembling, and one-way subassembly opens and appears the air current between vacuum pump and the one-way case promptly, and wherein the outer wall of yoke laminates mutually with the outer wall of connecting axle, and the yoke drives coupling assembling and opens when deflecting under the effect of cone, and secondly coupling assembling opens, does not have kinetic energy exchange between coupling assembling and the yoke, realizes that coupling assembling is in open state when opening, but coupling assembling is in when opening, and one-way subassembly is not necessarily in open state.
Further, coupling assembling is including installing the connecting axle in yoke one side, the outer wall of connecting axle is connected with main spring and push rod respectively, the one end of main spring is provided with the pneumatic lever, the main spring is connected with the one-way case through the pneumatic lever, the lower extreme of one-way case is provided with the division board, the one end of push rod is connected with the division board, the cooperation forms airtight space between division board and the one-way case, and the division board is opened and is coupling assembling and is the open state, and when closely laminating between division board and the one-way case, the vacuum pump cuts off with external environment mutually, and division board is opened and is provided with two kinds of driving methods, and its cone motion drives connecting rod and yoke deflection, and yoke deflection extrusion main spring, and then drives the push rod and promotes the division board and open, and its two pneumatic levers are elongated, and then drive the push rod promotes the division board and open.
Further, the waterproof assembly comprises a cylinder installed inside the one-way box, a central shaft is arranged in the middle of the cylinder, a circular plate is arranged on one side of the central shaft, a plurality of fan blades are arranged below the circular plate, the outer walls of the fan blades are attached to the inner walls of the cylinder, sponge blocks are arranged between the fan blades, gaps exist between the sponge blocks and the cylinder, a pore channel is formed in the middle of the circular plate, the pore channel is connected with one end of an air outlet pipe, the other end of the air outlet pipe is connected with a braking system, the sponge blocks are located between the fan blades, the pore channel is located above the sponge blocks, the diameter of the inner surface of the pore channel is smaller than that of the cylinder, air flow must pass through the sponge blocks in the pore channel, the fan blades are of an inclined wave structure, the fan blades are distributed outside the central shaft, the air flow pushes the fan blades to rotate during the process of the sponge blocks, gap difference exists between the upper ends of the cylinder and the circular plate, moisture is pushed away by openings at two ends of the cylinder under the rotating state, and finally the moisture leaves through the gap between the one-way box and the opening and closing plate.
Further, be provided with protruding ring in the through-hole, restriction piece and intake pipe sliding connection, the internal surface diameter of protruding ring is less than the internal surface diameter of intake pipe far away, and when the air current contacted protruding ring, the resistance that the air current of protruding ring department received was increased, realizes that the air current drove restriction piece motion to flow is insufficient to provide the flow that the vacuum pump single operation took out through restriction piece department, and then realizes that the baffle is close to the space of intake pipe one side through the slip extrusion baffle, in order to compensate the required flow of vacuum pump.
Further, one end of the air outlet pipe penetrates into the unidirectional box, a plurality of through grooves are formed in the outer wall of one end of the air outlet pipe, one end of the connecting rod is located in the through grooves, the cone moves to the through groove area of the air outlet pipe, air flows into the unidirectional box through the through grooves of the air outlet pipe, and the through grooves are used for carrying out air flow communication and limiting the cone.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the vacuum pump with the waterproof function, through the arrangement of the control component, the brake system, the control box, the vacuum pump and the one-way box realize unidirectional circulation of air flow through the air inlet pipe and the air outlet pipe, the control component realizes the air inlet structure of the closed brake system under the action of the air flow, meanwhile, the vacuum pump continuously pumps air in the brake system to realize the formation of vacuum in the brake system, and further, the vacuum in the new energy automobile is realized to supply the brake booster to work, the control component changes the running state and mainly depends on the air flow intensity passing through the air inlet pipe, when the air flow exists in the air inlet pipe, the control component automatically closes the air inlet structure of the brake system, when the air flow in the air inlet pipe disappears, the air inlet structure of the brake system is started, the external environment can supply air to the brake system again, the control component automatically changes the state under the action of the air flow intensity, the vacuum pump is singly controlled by the vacuum pump, the operation is controlled by the brake system, the degree of automation is higher, the active air inlet rejection of the brake system during the air suction is realized, the brake system is not required to be equipped with the air inlet on-off structure during the running, the debugging and the time between the air inlet on-off structure and the vacuum pump is further solved, the cost of the air inlet on-off structure is saved, and the production process is reduced;
2. the vacuum pump with the waterproof function is characterized in that the connecting component is arranged in the unidirectional component, the connecting component controls the unidirectional box to open and close, the unidirectional component has multiple effects, the opening and closing plate is opened and provided with two driving modes, a cone of the opening and closing plate moves to drive the connecting rod and the fork arm to deflect, the fork arm deflects and extrudes the main spring, the push rod is driven to push the opening and closing plate to open, the air flow is realized during the period that the air flow leaves the unidirectional box through the air outlet pipe, the moisture in the external environment cannot enter the vacuum pump in the reverse air flow, the moisture is prevented from entering the vacuum pump, the damage of the vacuum pump is avoided, the traffic accident caused by the fact that a new energy automobile cannot brake during driving is avoided, the two pneumatic rods are extended, the push rod is driven to push the opening and closing plate to open, the vacuum pump is in the vacuum state, the inside of the one-way box is at normal atmospheric pressure, the cone is positioned in the air outlet pipe connected between the vacuum pump and the one-way box, so that the cone cannot move against the air pressure difference, moisture in the external environment cannot directly enter the vacuum pump through air flow during the opening period of the one-way box, the one-way component has a protection effect on the vacuum pump under two movement states, the driving safety of a new energy automobile is further ensured, the vacuum pump is far away from an air inlet area and an air outlet area, the probability that the moisture enters the vacuum pump through a pipeline is reduced, the one-way component controls the connecting component to actively drain water, the braking system actively seals the air outlet of the vacuum pump during the air inlet period of the vacuum pump during the air draining period, and the self-protection performance of the vacuum pump is improved;
3. this vacuum pump with waterproof function, through the setting of water proof subassembly, water proof subassembly is located the foremost of braking system air intake system, make the air that needs to let in the braking system must pass through water proof subassembly earlier, wherein the air of vacuum pump is sourced from the air in the braking system, secondly, the air is in the period through water proof subassembly, water proof subassembly absorbs the inside moisture of air current, the absorption is simultaneously broken away from moisture through centrifugal force, and keep away the drum under the promotion of the arc outer wall of flabellum, because the sponge piece is loose porous structure, make the air current or moisture all have uncertainty in the sponge piece inflow period, air current and moisture all can find the minimum motion path of resistance in the sponge piece inside, realize the air current in the period of getting into the sponge piece and moisture in the sponge piece period, air current and moisture are negligible to the hindrance that the opposites caused, further improve the waterproof effect of vacuum pump, secondly, the braking system is the open state in the period, moisture accessible one-way box and the clearance of division board leave, the air that the water proof subassembly was to get into the braking system carries out the moisture absorption, and keep off in the drum under the promotion of the arc outer wall of flabellum, because the sponge piece is loose porous structure, make air current or moisture all have uncertainty in the time, air current in the sponge piece inflow period, air current or moisture and the inside the sponge piece can find the motion path of resistance minimum in the sponge piece, the inside, the air current and moisture can be ignored the obstacle, the air current and the air pump is not needed to the external force and the driving the air loss is reduced under the circumstances, and the driving the air loss is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic top view in full section of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic top view in full section of the control box of the present invention;
FIG. 4 is a schematic diagram of the flow restrictor block of the present invention in front view in full section;
FIG. 5 is a schematic diagram of the front elevational view of the one-way housing of the present invention in full section;
FIG. 6 is a schematic top view in full section of the one-way housing of the present invention;
FIG. 7 is a schematic diagram of the right side view of the cone of the present invention;
FIG. 8 is a schematic top view in full section of the cylinder of the present invention;
fig. 9 is a schematic diagram of a right side elevational view in full section of the vacuum pump of the present invention.
In the figure: 1. a control box; 2. a unidirectional box; 3. an air inlet pipe; 4. an air outlet pipe; 5. a control assembly; 501. an air cavity; 502. a partition plate; 503. a return spring; 504. a deflector aperture; 505. wedge plate; 506. a sliding assembly; 5061. a flow-limiting block; 5062. a through hole; 6. a unidirectional component; 601. a cone; 602. a connecting rod; 603. a fork arm; 7. a connection assembly; 701. a main spring; 702. a push rod; 703. a pneumatic lever; 704. an opening plate; 8. a water barrier assembly; 801. a cylinder; 802. a circular plate; 803. a fan blade; 804. a sponge block; 805. a duct; 9. and a vacuum pump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides the following technical solutions: the utility model provides a vacuum pump with waterproof function, including braking system, control box 1, vacuum pump 9, one-way case 2, intake pipe 3 and outlet duct 4, braking system is connected with control box 1 and vacuum pump 9 through intake pipe 3, vacuum pump 9 is connected with one-way case 2 through outlet duct 4, control box 1 and braking system, the inside of control box 1 is provided with control assembly 5, control assembly 5 is used for controlling the air current break-make in the outlet duct 4, the inside of one-way case 2 sets up one-way assembly 6, one-way assembly 6 is connected with vacuum pump 9 through outlet duct 4, one-way assembly 6 is arranged in hindering the air current and directly getting into vacuum pump 9, the below of one-way assembly 6 is provided with coupling assembling 7, coupling assembling 7 is used for connecting one-way assembly 6 and one-way case 2, the inside of one-way case 2 is provided with water proof assembly 8, water proof assembly 8 is connected with control box 1 through outlet duct 4, water proof assembly 8 is used for absorbing the moisture in the air current;
the control assembly 5 comprises an air cavity 501 arranged in the control box 1, a baffle plate 502 is arranged in the air cavity 501, the baffle plate 502 is connected with the control box 1 through a return spring 503, a diversion hole 504 is formed in the baffle plate 502, a wedge plate 505 is arranged on one side, close to the air inlet pipe 3, of the baffle plate 502, a sliding assembly 506 is arranged on one side of the wedge plate 505, and the sliding assembly 506 is positioned in the air inlet pipe 3;
the sliding component 506 comprises a flow limiting block 5061 arranged in the air inlet pipe 3, a through hole 5062 is formed in the middle of the flow limiting block 5061, notches are formed in two sides of the flow limiting block 5061, the outer wall of one side of the flow limiting block 5061, which is close to the wedge plate 505, is of a circular truncated cone-shaped structure, the diameter of the outer surface of the flow limiting block 5061 is the same as that of the inner surface of the air inlet pipe 3, the air flow unidirectional circulation of the air flow is realized through the air inlet pipe 3 and the air outlet pipe 4 by the brake system, the control component 5 realizes a closed brake system air inlet structure under the action of the air flow, the vacuum pump 9 continuously pumps air in the brake system, the vacuum pump 9 forms vacuum in the brake system, the operation state of the control component 5 is changed mainly depending on the air flow intensity of the air inlet pipe 3, when the air flow exists in the air inlet pipe 3, the air inlet structure of the brake system is opened, the external environment can supply air to the brake system again, the control component 5 automatically changes the state under the action of the air flow intensity, the air pump 9 is independently controlled, the brake pump 9 is automatically controlled, the brake system is automatically controlled by the air pump is automatically controlled, the brake system is automatically controlled to be on the air pump 9, the air pump is automatically, the brake system is automatically controlled to be automatically on the air pump is automatically, the brake system is automatically and the brake system is automatically powered on the brake system, the brake system to be automatically, the brake system is automatically and the brake system is automatically;
the unidirectional component 6 comprises a cone 601 arranged in the air outlet pipe 4, one side of the cone 601 is provided with a connecting rod 602, the connecting rod 602 has a telescopic function, one end of the connecting rod 602 is provided with a fork arm 603, the connecting rod 602 is connected with the fork arm 603 through a rotating shaft, two ends of the rotating shaft are connected with the unidirectional box 2, and the fork arm 603 is connected with the connecting component 7;
the connecting component 7 comprises a connecting shaft arranged at one side of the fork arm 603, the outer wall of the connecting shaft is respectively connected with a main spring 701 and a push rod 702, one end of the main spring 701 is provided with a pneumatic rod 703, the main spring 701 is connected with the unidirectional box 2 through the pneumatic rod 703, the lower end of the unidirectional box 2 is provided with an opening and closing plate 704, one end of the push rod 702 is connected with the opening and closing plate 704, the opening and closing plate 704 and the unidirectional box 2 are matched to form a closed space, the connecting component 7 is arranged in the unidirectional component 6, the connecting component 7 controls the opening and closing of the unidirectional box 2, the unidirectional component 6 has various effects, the opening and closing plate 704 is opened and provided with two driving modes, a cone 601 moves to drive the connecting rod 602 and the fork arm 603 to deflect, the fork arm 603 deflects and extrudes the main spring 701, and then drives the push rod 702 to push the opening and closing plate 704 to open, so that air flow is realized during the air flow leaves the unidirectional box 2 through the air outlet pipe 4, moisture in the external environment cannot enter the vacuum pump 9 against the air flow, so that the vacuum pump 9 is prevented from being damaged due to the fact that the moisture enters the vacuum pump 9, and further, traffic accidents caused by the fact that a new energy automobile cannot be braked during driving are avoided, two pneumatic rods 703 are stretched, and further, a push rod 702 is driven to push an opening plate 704 to be opened, at the moment, the vacuum pump 9 is in a vacuum state, the inside of a one-way box 2 is at normal atmospheric pressure, a cone 601 is positioned in an air outlet pipe 4 connected between the vacuum pump 9 and the one-way box 2, the cone 601 cannot move against the air pressure difference, the fact that the moisture in the external environment cannot directly enter the vacuum pump 9 through the air flow during opening of the one-way box 2 is achieved, a one-way assembly 6 has a protection effect on the vacuum pump 9 under two motion states, driving safety of the new energy automobile is further guaranteed, the vacuum pump 9 is far away from an air inlet area and an air outlet area, the probability that the moisture enters the vacuum pump 9 through a pipeline is reduced, the unidirectional component 6 controls the connecting component 7 to actively drain water, the drainage period is the period of exhausting the vacuum pump 9, and the unidirectional component 6 actively seals off the air outlet of the vacuum pump 9 during air inlet of the brake system, so that the self-protection performance of the vacuum pump 9 is improved;
the water-proof component 8 comprises a cylinder 801 arranged in the unidirectional tank 2, a central shaft is arranged in the middle of the cylinder 801, a circular plate 802 is arranged on one side of the central shaft, a plurality of blades 803 are arranged below the circular plate 802, the outer walls of the blades 803 are attached to the inner wall of the cylinder 801, a sponge block 804 is arranged between the blades 803, a gap exists between the sponge block 804 and the cylinder 801, a hole 805 is formed in the middle of the circular plate 802, the hole 805 is connected with one end of an air outlet pipe 4, the other end of the air outlet pipe 4 is connected with a brake system, the water-proof component 8 is positioned at the forefront end of an air inlet system of the brake system, so that air needing to be introduced into the brake system must firstly pass through the water-proof component 8, wherein the air of the vacuum pump 9 is sourced from the air in the brake system, then the air absorbs the moisture in the air flow through the water-proof component 8 during the passing through the water-proof component 8, and the moisture is separated through centrifugal force during absorption, and the air flow and the moisture can find the motion path with the minimum resistance in the sponge block 804 because the sponge block 804 is of a loose and porous structure under the pushing of the arc-shaped outer wall of the fan blade 803, so that the air flow and the moisture can find the motion path with the minimum resistance in the sponge block 804, the air flow and the moisture can cause negligible obstruction to each other during entering the sponge block 804 and during entering the sponge block 804, the waterproof effect of the vacuum pump 9 is further improved, the one-way box 2 is in an open state during the air inlet, the moisture can leave through the gap between the one-way box 2 and the opening plate 704, the moisture can absorb moisture of the air entering the brake system, the air can be introduced into the vacuum pump 9 after passing through the brake system, the loss caused by the moisture entering the brake system and the vacuum pump 9 is avoided, the driving safety of a user is affected, the water-proof component 8 automatically moves under the air pressure difference between the brake system and the external environment, no external force is needed for driving, the energy consumption is reduced, and the automation is improved;
a protruding ring is arranged in the through hole 5062, and the flow limiting block 5061 is in sliding connection with the air inlet pipe 3;
one end of the air outlet pipe 4 penetrates into the unidirectional box 2, a plurality of through grooves are formed in the outer wall of one end of the air outlet pipe 4, and one end of the connecting rod 602 is located in the through grooves.
The working principle of the invention is as follows: the brake system is sequentially connected with the control box 1 and the vacuum pump 9 through the air inlet pipe 3, the vacuum pump 9 is sequentially connected with the one-way box 2, the control box 1 and the brake system through the air outlet pipe 4, the brake system is electrically connected with the front part of the vacuum pump 9, an operator controls the brake system to work through stepping on the braking plate, and then controls the vacuum pump 9 to work through the brake system, the vacuum pump 9 provides an air source for the brake system, and the brake system works;
during the operation of the vacuum pump 9, air flow is generated inside the air inlet pipe 3, air enters the brake system again through the air outlet pipe 4, the air inlet pipe 3 and the control box 1 are provided with a control component 5, wherein a protruding ring is arranged inside the flow limiting block 5061, so that the flow rate passing through the flow limiting block 5061 in unit time is smaller than the flow rate pumped by the vacuum pump 9, the insufficient flow rate is provided by sliding the partition 502, the partition 502 presses the space of one side of the partition 502 close to the air inlet pipe 3 through sliding, the space volume is reduced, and the redundant air is used for compensating the flow rate required by the vacuum pump 9;
because the protruding ring is arranged inside the current limiting block 5061, the current limiting block 5061 slides along the inner wall of the air inlet pipe 3 under the action of air flow, during the movement of the current limiting block 5061, the baffle plate 502 drives the wedge plate 505 to synchronously move until one end of the current limiting block 5061 is attached to the wedge plate 505, at the moment, the outer wall of the baffle plate 502 is attached to the current limiting block 5061, the current limiting block 5061 and the baffle plate 502 simultaneously block the other side from continuing to move, and because the baffle plate 502 moves, the flow guiding hole 504 inside the baffle plate 502 is disconnected from the air outlet pipe 4, the braking system cannot provide air for the brake system by the air outlet pipe 4, and vacuum is generated inside the braking system, so that the braking of the new energy automobile is realized;
the vacuum pump 9 discharges air into the one-way box 2 through the air outlet hole and the air outlet pipe 4, the air flow drives the cone 601 in the air outlet pipe 4 to move, the cone 601 moves to the through groove area of the air outlet pipe 4, the air flow enters the one-way box 2 through the through groove of the air outlet pipe 4, one side of the cone 601 is provided with a connecting rod 602 and a fork arm 603, the movement of the cone 601 realizes the deflection of the connecting rod 602 and the fork arm 603, and the connecting rod 602 and the fork arm 603 deflect by taking a rotating shaft at the joint between the connecting rod 602 and the fork arm 603 as a circle center;
the outer wall of the fork arm 603 is connected with the outer wall of a connecting shaft, the outer wall of the connecting shaft is respectively connected with a main spring 701 and a push rod 702, the fork arm 603 moves to squeeze the main spring 701, the push rod 702 is driven to drive the opening and closing plate 704 to move, one end of the opening and closing plate 704, which is far away from the push rod 702, is connected with the one-way box 2 through a rotating shaft, the push rod 702 is connected with the opening and closing plate 704 through the rotating shaft, a gap is formed between the opening and closing plate 704 and the one-way box 2 under the driving of the push rod 702, air in the one-way box 2 overflows, and the air pressures at the inner side and the outer side of the one-way box 2 are balanced;
after the new energy automobile is braked, the vacuum pump 9 stops moving, the internal structures of the control box 1 and the one-way box 2 are reset under the action of the reset spring 503 and the main spring 701 respectively, wherein the partition plate 502 is reset, the air outlet pipe 4 is communicated with the guide hole 504 again, the brake system controls the pneumatic rod 703 to shorten, the pneumatic rod 703 drives the push rod 702 to move, the ventilation of the space at the inner side and the outer side of the one-way box 2 is realized again, the air in the one-way box 2 flows to the brake system, and the vacuum source in the brake system disappears;
outside air moves to a braking system through the cylinder 801, the pore canal 805 and the air outlet pipe 4, air flow drives the fan blades 803 to rotate during the period of passing through the cylinder 801, meanwhile, the sponge blocks 804 among the fan blades 803 absorb moisture of the air flow, and then the air flow which is dried leaves the cylinder 801, the fan blades 803 drive the sponge blocks 804 to rotate by taking a central shaft as a circle center, moisture in the sponge blocks 804 leaves under the action of centrifugal force, the moisture leaving the sponge blocks 804 is temporarily stored in a gap between the cylinder 801 and the sponge blocks 804, a gap difference exists between the upper end of the cylinder 801 and a circular plate 802, then the moisture is pushed away by the fan blades 803 in a rotating state through openings at two ends of the cylinder 801, finally, the moisture leaves through a gap between the unidirectional box 2 and the opening and closing plate 704, a vacuum source in the braking system disappears, the braking system controls the pneumatic rod 703 to stretch, and the unidirectional box 2 is closed between the unidirectional box 2 and the opening and closing plate 704.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a vacuum pump with waterproof function, includes braking system, control box (1), unidirectional tank (2), intake pipe (3) and outlet duct (4), its characterized in that: the brake system is connected with a control box (1) and a vacuum pump (9) through an air inlet pipe (3), the vacuum pump (9) is connected with a one-way box (2), the control box (1) and the brake system through an air outlet pipe (4), a control component (5) is arranged in the control box (1), the control component (5) is used for controlling the on-off of air flow in the air outlet pipe (4), a one-way component (6) is arranged in the one-way box (2), the one-way component (6) is connected with the vacuum pump (9) through the air outlet pipe (4), the one-way component (6) is used for blocking the air flow to directly enter the vacuum pump (9), a connecting component (7) is arranged below the one-way component (6), the connecting component (7) is used for connecting the one-way component (6) and the one-way box (2), a water-proof component (8) is arranged in the one-way box (2), the water-proof component (8) is connected with the control box (1) through the air outlet pipe (4), and the water-proof component (8) is used for absorbing moisture in the air flow;
the control assembly (5) comprises an air cavity (501) arranged in the control box (1), a partition plate (502) is arranged in the air cavity (501), the partition plate (502) is connected with the control box (1) through a return spring (503), a diversion hole (504) is formed in the partition plate (502), a wedge-shaped plate (505) is arranged on one side, close to the air inlet pipe (3), of the partition plate (502), a sliding assembly (506) is arranged on one side, close to the air inlet pipe (3), of the wedge-shaped plate (505), and the sliding assembly (506) is located in the air inlet pipe (3);
the sliding assembly (506) comprises a flow limiting block (5061) arranged in the air inlet pipe (3), a through hole (5062) is formed in the middle of the flow limiting block (5061), notches are formed in two sides of the flow limiting block (5061), the outer wall of one side, close to the wedge-shaped plate (505), of the flow limiting block (5061) is of a circular truncated cone-shaped structure, and the diameter of the outer surface of the flow limiting block (5061) is the same as that of the inner surface of the air inlet pipe (3);
the waterproof assembly (8) comprises a cylinder (801) arranged in the unidirectional tank (2), a central shaft is arranged in the middle of the cylinder (801), a circular plate (802) is arranged on one side of the central shaft, a plurality of fan blades (803) are arranged below the circular plate (802), the outer walls of the fan blades (803) are attached to the inner wall of the cylinder (801), sponge blocks (804) are arranged between the fan blades (803), gaps exist between the sponge blocks (804) and the cylinder (801), a pore channel (805) is formed in the middle of the circular plate (802), the pore channel (805) is connected with one end of an air outlet pipe (4), and the other end of the air outlet pipe (4) is connected with a braking system;
a protruding ring is arranged in the through hole (5062), and the flow limiting block (5061) is connected with the air inlet pipe (3) in a sliding mode.
2. A vacuum pump with waterproof function according to claim 1, characterized in that: the unidirectional component (6) comprises a cone (601) arranged inside the air outlet pipe (4), one side of the cone (601) is provided with a connecting rod (602), the connecting rod (602) has a telescopic function, one end of the connecting rod (602) is provided with a fork arm (603), the connecting rod (602) is connected with the fork arm (603) through a rotating shaft, two ends of the rotating shaft are connected with the unidirectional box (2), and the fork arm (603) is connected with the connecting component (7).
3. A vacuum pump with waterproof function according to claim 2, characterized in that: the connecting assembly (7) comprises a connecting shaft arranged on one side of the fork arm (603), the outer wall of the connecting shaft is respectively connected with a main spring (701) and a push rod (702), one end of the main spring (701) is provided with a pneumatic rod (703), the main spring (701) is connected with the one-way box (2) through the pneumatic rod (703), the lower end of the one-way box (2) is provided with an opening plate (704), one end of the push rod (702) is connected with the opening plate (704), and the opening plate (704) and the one-way box (2) are matched to form a closed space.
4. A vacuum pump with waterproof function according to claim 2, characterized in that: one end of the air outlet pipe (4) stretches into the unidirectional box (2), a plurality of through grooves are formed in the outer wall of one end of the air outlet pipe (4), and one end of the connecting rod (602) is located in the through grooves.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210773431.6A CN115076069B (en) | 2022-07-01 | 2022-07-01 | Vacuum pump with waterproof function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210773431.6A CN115076069B (en) | 2022-07-01 | 2022-07-01 | Vacuum pump with waterproof function |
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| CN115076069A CN115076069A (en) | 2022-09-20 |
| CN115076069B true CN115076069B (en) | 2023-12-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102257273A (en) * | 2008-12-19 | 2011-11-23 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Motor-pump assembly |
| KR20130010932A (en) * | 2011-07-20 | 2013-01-30 | 현대자동차주식회사 | Apparatus for a vacuum pump use for a car having the variable type vacuum tank |
| CN103437986A (en) * | 2013-08-30 | 2013-12-11 | 中通客车控股股份有限公司 | Gas path-electric air compressor integrated control system and control method |
| CN205202995U (en) * | 2015-12-29 | 2016-05-04 | 浙江精科汽车零部件有限公司 | Electric vacuum pump who matches braking system |
| CN106457104A (en) * | 2014-02-27 | 2017-02-22 | 纳薄特斯克汽车零部件有限公司 | Oil separator and drain discharge system |
| CN111412124A (en) * | 2020-04-20 | 2020-07-14 | 铜陵同飞科技有限公司 | Vacuum pump |
| CN114076092A (en) * | 2021-11-19 | 2022-02-22 | 常州市东南电器电机有限公司 | Electronic oil pump with high sealing performance and automatic inner wall cleaning function |
-
2022
- 2022-07-01 CN CN202210773431.6A patent/CN115076069B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102257273A (en) * | 2008-12-19 | 2011-11-23 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Motor-pump assembly |
| KR20130010932A (en) * | 2011-07-20 | 2013-01-30 | 현대자동차주식회사 | Apparatus for a vacuum pump use for a car having the variable type vacuum tank |
| CN103437986A (en) * | 2013-08-30 | 2013-12-11 | 中通客车控股股份有限公司 | Gas path-electric air compressor integrated control system and control method |
| CN106457104A (en) * | 2014-02-27 | 2017-02-22 | 纳薄特斯克汽车零部件有限公司 | Oil separator and drain discharge system |
| CN205202995U (en) * | 2015-12-29 | 2016-05-04 | 浙江精科汽车零部件有限公司 | Electric vacuum pump who matches braking system |
| CN111412124A (en) * | 2020-04-20 | 2020-07-14 | 铜陵同飞科技有限公司 | Vacuum pump |
| CN114076092A (en) * | 2021-11-19 | 2022-02-22 | 常州市东南电器电机有限公司 | Electronic oil pump with high sealing performance and automatic inner wall cleaning function |
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| CN115076069A (en) | 2022-09-20 |
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