CN218021071U - Air inflation and deflation controller - Google Patents
Air inflation and deflation controller Download PDFInfo
- Publication number
- CN218021071U CN218021071U CN202222396745.7U CN202222396745U CN218021071U CN 218021071 U CN218021071 U CN 218021071U CN 202222396745 U CN202222396745 U CN 202222396745U CN 218021071 U CN218021071 U CN 218021071U
- Authority
- CN
- China
- Prior art keywords
- cavity
- air
- piston rod
- piston
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model relates to an air inflation controller, including casing, piston rod and power device, be provided with first air flue, second air flue, first air cavity, second air cavity, piston chamber and power chamber in the casing, first air flue and first air cavity intercommunication, second air flue and second air cavity intercommunication. The piston cavity passes through the first air cavity and the second air cavity and is divided into a left cavity, a middle cavity and a right cavity. The piston rod is provided with a first sealing ring, a second sealing ring and a third sealing ring, and the piston rod is arranged in the piston cavity in a sliding mode. The piston rod, the first sealing ring and the third sealing ring are arranged in such a way that when the piston rod slides between the first position and the second position, the first sealing ring is always positioned in the left cavity, and the third sealing ring is always positioned in the right cavity. The power device is arranged on the power cavity and connected with the left end of the piston rod. The utility model discloses a power device control piston rod slides in the piston cavity, controls the break-make of first air flue and second air flue to control fills the gassing, and control is accurate, simple structure.
Description
Technical Field
The utility model discloses the totality relates to automobile tire fills the gassing technical field, more specifically relates to fill the structure of gassing controller.
Background
When an automobile runs, proper tire pressure needs to be kept according to road conditions and weather conditions, because a running road surface is complex, the tire pressure of the automobile tire is often insufficient due to natural air leakage or puncture, or the tire pressure is too high due to temperature rise after long-time high-speed running, the abrasion of the automobile tire is accelerated due to insufficient or too high air pressure, the tire burst or even accidents are caused in the running process, the running safety is seriously influenced, the rolling resistance is increased due to insufficient air pressure, the oil consumption is increased, and the running cost of the automobile is increased. If the proper air pressure of the tire can be kept under different conditions, the economical efficiency and the safety of the vehicle as well as the bearing capacity and the service life of the tire are greatly influenced.
In view of the above demands, automobile inflation and deflation devices appear on the market, but the existing devices all control the on-off of an air passage by controlling the sliding of a piston through air pressure, the structure is complex, the number of interfaces is large, and the air tightness is poor. In the process of switching the on-off state of the air passage, because the air pressure stability is poor and the air pressure is difficult to control accurately, the time when the air pressure for pushing the piston rod to slide reaches the threshold value is easy to advance or delay, the process of inflation and deflation cannot be controlled accurately, and the air pressure of the tire is deviated from the requirement.
The utility model aims to solve and fill among the prior art and inflate the gassing process and be difficult to the accurate control, the problem that tire pressure and demand that leads to have the deviation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a fill inflation controller, including casing 1, piston rod 2 and power device 3, be provided with first air flue 11, second air flue 12, first air cavity 13, second air cavity 14, piston chamber 4 and power chamber 15 in the casing 1, first air flue 11's one end is connected first air cavity 13, the other end extend to 1 surface of casing forms first interface, the one end of second air flue 12 is connected second air cavity 14, the other end extend to 1 surface of casing forms the second interface, first air cavity 13 and second air cavity 14 are cylindrical, and first air cavity 13 and second air cavity 14 are at the coaxial setting of left right direction, keep the interval. The piston chamber 4 is cylindrical, and the diameter of the piston chamber 4 is smaller than that of the first air chamber 13, extends in the left-right direction, passes through the first air chamber 13 and the second air chamber 14, and is divided into a left chamber 41, a middle chamber 42 and a right chamber 43.
The power cavity 15 is arranged on the left side of the piston cavity 4 and communicated with the left end of the piston cavity 4. The piston rod 2 is cylindrical, the diameter of the piston rod 2 is smaller than that of the piston cavity 4, and a first sealing ring 21, a second sealing ring 22 and a third sealing ring 23 which are the same as the piston cavity 4 in diameter are fixedly arranged on the piston rod 2. The piston rod 2 is slidably disposed in the piston chamber 4 to a first position where the second sealing ring 22 is located in the middle chamber 42 and a second position where the second sealing ring 22 is located in the first air chamber 13 or the second air chamber 14. The piston rod 2, the first sealing ring 21 and the third sealing ring 23 are arranged in such a way that when the piston rod 2 slides between the first position and the second position, the first sealing ring 21 is always positioned in the left cavity 41, and the third sealing ring 23 is always positioned in the right cavity 43. The power device 3 is arranged in the power cavity 15 and is connected with the left end of the piston rod 2.
The utility model discloses in through set up piston chamber 4 in casing 1, first air flue 11, second air flue 12, first air flue 13 and second air chamber 14, separate piston chamber 4 for left chamber 41 through first air chamber 13 and second air chamber 14, lumen 42 and right chamber 43, make first air flue 11 communicate with piston chamber 4 through first air chamber 13, it communicates with piston chamber 4 through second air chamber 14 to set up second air flue 12, set up piston rod 2 in piston chamber 4, set up second sealing ring 22 on piston rod 2, drive piston rod 2 through power device 3 and slide between piston chamber 4 inherent primary importance and secondary importance, control lumen 42 break-make, make first air flue 11 and second air flue 12 intercommunication or disconnection, thereby can control and fill the gassing, the process that can accurate control fills the gassing, improve the accuracy of gassing, the removal of piston rod 2 does not receive gas pressure's influence when filling the gassing, prevent to fill the tire pressure after the gassing and have the deviation with the demand.
The piston rod 2 is provided with a first sealing ring 21 in the left chamber 41 for sealing the left chamber 41 and supporting the piston rod 2, and the piston rod 2 is provided with a third sealing ring 23 in the right chamber 43 for sealing the right chamber 43 and supporting the piston rod 2.
According to the utility model discloses an embodiment, power device 3 includes motor 31 and cam 32, motor 31 sets up in power chamber 15, and the motor 31 pivot is perpendicular with the axis in piston chamber 4. The cam 32 is arranged on the rotating shaft of the motor 31, and the surface of the cam 32 is connected with the left end of the piston rod 2 in a sliding way.
According to the utility model discloses an embodiment still includes spring 24, spring 24 sets up in right side chamber 43, and one end is connected with the right-hand member of piston rod 2, and the other end is connected with right side chamber 43 right-hand member.
The power device 3 comprises a motor 31, a cam 32 is arranged on a rotating shaft of the motor 31, the surface of the cam 32 is connected with the left end of the piston rod 2 in a sliding mode, a spring 24 is arranged at the right end of the piston rod 2, and the piston rod 2 can be controlled to slide in the left-right direction along the piston cavity 4 through the matching of the power device 3 and the spring 24.
According to the utility model discloses an embodiment still includes hall element 33, hall element 33 sets up on power chamber 15 inner wall, is located one side that motor 31 was kept away from to cam 32. A magnet 34 is provided on the cam 32 on a side close to the hall element 33.
The magnet 34 is arranged on the cam 32, the Hall element 33 is arranged in the power cavity 15, and the rotating position of the cam 32 can be detected through the matching of the Hall element 33 and the magnet 34, so that the sliding position of the piston rod 2 is controlled, the accuracy of position control of the piston rod 2 is improved, and the accuracy of air charging and discharging is further improved.
According to the utility model discloses an embodiment still includes lock valve 6, be provided with the locking chamber 16 that matches with lock valve 6 in the casing 1. The lock chamber 16 extends through the second air path 12 to divide the second air path 12 into two sections. The locking valve 6 is arranged in the locking chamber 16.
A locking cavity 16 is arranged in the shell 1 to divide the second air passage 12 into two sections, a locking valve 6 is arranged in the locking cavity 16, the second air passage 12 can be manually opened and closed through the locking valve 6, the second air passage 12 is manually closed when program control is wrong or is necessary to be closed, the tire is blocked after the second air passage 12 is closed, and air leakage of the tire is avoided.
According to the utility model discloses an embodiment still includes circuit board 5, 1 bottom of casing is provided with the control chamber 17 that holds circuit board 5, is provided with third air flue 18 between control chamber 17 and the second air flue 12, through third air flue 18 intercommunication. The circuit board 5 is arranged in the control cavity 17, and a sensor 51 corresponding to the position of the third air passage 18 is arranged on the circuit board 5. The sensor 51 communicates with the third air passage 18 to seal the third air passage 18.
The utility model discloses in, through setting up control chamber 17 in casing 1, make control chamber 17 communicate through third air flue 18 and second air flue 12 to set up the circuit board in control chamber 17, set up sensor 51 with the corresponding position of third air flue 18 on the circuit board, make sensor 51 communicate through third air flue 18, second air flue 12 and tire inside, thereby atmospheric pressure and temperature in can the real-time detection tire, fill the gassing through circuit board control power device 3.
According to the utility model discloses an embodiment, casing 1 is square, first interface with the second interface sets up respectively on casing 1 two adjacent sides.
Set up casing 1 and be square, conveniently fix casing 1 on the axle of car, set up first interface and second interface on adjacent two faces, make the direction mutually perpendicular of giving vent to anger of first interface direction and second interface, make first interface towards the air supply on the axle, make the valve of second interface towards the tire, conveniently install the controller on the automobile body, conveniently be connected simple structure with tire and air supply.
Drawings
FIG. 1 isbase:Sub>A schematic cross-sectional view taken along line A-A of the inflation/deflation controller shown in FIG. 4;
FIG. 2 is a schematic cross-sectional view taken along line B-B of the inflation/deflation controller shown in FIG. 5;
FIG. 3 is an overall view of the inflation and deflation controller;
FIG. 4 is a schematic side view of the inflation and deflation controller;
FIG. 5 is a schematic plan view of the inflation and deflation controller.
In the figure, 1, a shell, 11, a first air passage, 12, a second air passage, 13, a first air cavity, 14, a second air cavity, 15, a power cavity, 16, a locking cavity, 17, a control cavity, 18, a third air passage, 2, a piston rod, 21, a first sealing ring, 22, a second sealing ring, 23, a third sealing ring, 24, a spring, 25, a sealing cover, 3, a power device, 31, a motor, 32, a cam, 33, a Hall element, 34, a magnet, 4, a piston cavity, 41, a left cavity, 42, a middle cavity, 43, a right cavity, 5, a circuit board, 51, a sensor and 6 are locked valves.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements and techniques of the present invention so that advantages and features of the present invention may be more readily understood when implemented in a suitable environment. The following description is an embodiment of the present invention, and other embodiments related to the claims that are not explicitly described also belong to the scope of the claims.
As shown in fig. 1 and 2, the inflation/deflation controller includes a housing 1, a piston rod 2, and a power unit 3. A first air passage 11, a second air passage 12, a first air cavity 13, a second air cavity 14, a piston cavity 4 and a power cavity 15 are arranged in the shell 1. One end of the first air passage 11 is connected with the first air cavity 13, the other end of the first air passage extends to the surface of the shell 1 to form a first interface, and the first interface is used for being connected with an air inlet pipe and is respectively communicated with an air source or the atmosphere through the air inlet pipe. One end of the second air channel 12 is connected with the second air cavity 14, and the other end extends to the surface of the shell 1 to form a second interface which is used for connecting an inflation tube and is communicated with the tire through the inflation tube.
The first air cavity 13 is cylindrical and has a diameter larger than that of the piston cavity 4, the first air cavity 13 is used for being connected with the first air passage 11, the second sealing ring 22 is accommodated when the piston rod 2 slides to the second position, the middle cavity 42 is opened, and the first air cavity 13 is communicated with the second air cavity 14. The first air chamber 13 is located on the right side of the second air chamber 14. The second air cavity 14 is the same as the first air cavity 13 in shape and size, the second air cavity 14 and the first air cavity 13 are coaxially arranged in the left-right direction, the second air cavity 14 keeps a distance from the first air cavity 13, the second sealing ring 22 is accommodated when the piston rod 2 slides to the second position, and the middle cavity 42 is opened to communicate the first air cavity 13 with the second air cavity 14. The first air chamber 13 and the second air chamber 14 are arranged in the left-right direction and are coaxially disposed.
The piston chamber 4 is cylindrical, and the diameter of the piston chamber 4 is smaller than the diameter of the first air chamber 13, extends in the left-right direction, passes through the first air chamber 13 and the second air chamber 14, and is divided into a left chamber 41, a middle chamber 42 and a right chamber 43 by the first air chamber 13 and the second air chamber 14. The left chamber 41 is a chamber of the piston chamber 4 located on the left side of the second air chamber 14. The middle chamber 42 is a chamber of the piston chamber 4 between the first air chamber 13 and the second air chamber 14. The right chamber 43 is a chamber body of the piston chamber 4 located at the right side of the first air chamber 13, and the right end of the right chamber 43 extends to the side surface of the housing 1 to form an opening, and the opening is sealed by a sealing cover 25.
A spring 24 is arranged in the right cavity 43, one end of the spring 24 is connected with the right end of the piston rod 2, and the other end is connected with a sealing cover 25 at the opening at the right end of the right cavity 43. A spring 24 is arranged in the right cavity 43, and the piston rod 2 can be controlled to slide in the piston cavity 4 through the cooperative control of the spring 24 and the power device 3. The length of the first air cavity 13 is greater than the length of the second sealing ring 22 so that it can accommodate the second sealing ring 22. The length of the second air chamber 14 is greater than the length of the second sealing ring 22 so that it can accommodate the second sealing ring 22.
The distance between the first air cavity 13 and the second air cavity 14 is greater than or equal to the length of the second sealing ring 22, that is, the length of the middle cavity 42 is greater than or equal to the length of the second sealing ring 22, so that the middle cavity 42 can accommodate the second sealing ring 22.
The length of the first air chamber 13 refers to the length of the first air chamber 13 in the left-right direction. The length of the second air chamber 14 refers to the length of the second air chamber 14 in the left-right direction. The length of the second seal ring 22 refers to the length of the second seal ring 22 in the left-right direction. The length of the central chamber 42 refers to the length of the central chamber 42 in the left-right direction.
The piston rod 2 is cylindrical, the diameter of the piston rod 2 is smaller than that of the piston cavity 4, and a first sealing ring 21, a second sealing ring 22 and a third sealing ring 23 which are the same as the piston cavity 4 in diameter are fixedly arranged on the piston rod 2. The piston rod 2 is cylindrical, the diameter of the piston rod 2 is smaller than that of the piston cavity 4, the left end of the piston rod 2 is provided with a first sealing ring 21, the middle part of the piston rod is provided with a second sealing ring 22, and the right end of the piston rod is provided with a third sealing ring 23. The first, second and third sealing rings 21, 22, 23 are the same diameter as the piston chamber 4.
The piston rod 2 is slidably disposed in the piston chamber 4 to a first position in which the second sealing ring 22 is located in the middle chamber 42 and a second position in which the second sealing ring 22 is located in the first air chamber 13 or the second air chamber 14.
The piston rod 2, the first sealing ring 21 and the third sealing ring 23 are arranged such that when the piston rod 2 slides between the first position and the second position, the first sealing ring 21 is always located in the left cavity 41 and the third sealing ring 23 is always located in the right cavity 43.
The first sealing ring 21 is slidably sleeved in the left cavity 41 and is used for supporting the piston rod 2 and sealing the left cavity 41 to prevent gas leakage. The third sealing ring 23 is slidably sleeved in the right cavity 43 and is used for supporting the piston rod 2 and sealing the right cavity 43 to prevent gas leakage.
When the piston rod 2 is at the first position, the second sealing ring 22 is positioned in the middle cavity 42 to seal the middle cavity 42 of the piston cavity 4, so that the first air cavity 13 is disconnected from the second air cavity 14; when the piston rod 2 is in the second position, the second sealing ring 22 is positioned in the first air chamber 13 or the second air chamber 14, so that the first air chamber 13 and the second air chamber 14 are communicated.
The first position is that the piston rod 2 slides along the piston cavity 4 against the elastic force of the spring 24 under the action of the power device 3, when the piston rod slides to the point that the first sealing ring 21 enters the middle cavity 42, the middle cavity 42 is closed, so that the first air cavity 13 and the second air cavity 14 are disconnected, and at this time, the position of the piston rod 2 is the first position. The second position is that the piston rod 2 slides along the piston cavity 4 against the elastic force of the spring 24 under the action of the power device 3, when the piston rod slides to the position that the first sealing ring 21 enters the first air cavity 13 or the second air cavity 14, the middle cavity 42 is communicated to communicate the first air cavity 13 with the second air cavity 14, and at this time, the position where the piston rod 2 is located is the second position.
The power device 3 is arranged in the power cavity 15, connected with the left end of the piston rod 2, and used for driving the piston rod 2 to slide in the left-right direction in the piston cavity 4, so that the piston rod 2 can slide between a first position and a second position. The power unit 3 may be any device capable of driving the piston rod 2 to slide in the left-right direction along the piston chamber 4, such as a telescopic cylinder or a motor 31. The preferred power device 3 of the present invention includes a motor 31 and a cam 32. The motor 31 is arranged in the power cavity 15 and positioned on the left side of the piston cavity 4, and a rotating shaft of the motor 31 is vertical to the axis of the piston cavity 4.
The cam 32 is arranged on the rotating shaft of the motor 31, the surface of the cam 32 is connected with the left end of the piston rod 2 in a sliding way, and when the cam 32 rotates, the surface of the cam 32 acts on the piston rod 2 to push the piston rod 2 to slide along the piston cavity 4. A magnet 34 is provided on the cam 32 on the side remote from the motor 31.
The power device 3 further comprises a hall element 33, the hall element 33 is arranged on the inner wall of the power cavity 15 and is located on the side, away from the motor 31, of the cam 32, that is, the hall element 33 and the magnet 34 are located on the same side of the cam 32, and the hall element 33 is used for sensing the position of the magnet 34 and confirming the rotation angle of the cam 32, so as to judge the sliding position of the piston rod 2.
By arranging the magnet 34 and the hall element 33 on the cam 32 and matching the magnet 34 and the hall element 33, the rotation angle of the cam 32 can be confirmed, so that the sliding position of the piston rod 2 can be accurately controlled, and the accuracy of the control of charging and discharging air is improved.
The working principle is that initially, the piston rod 2 is at the first position, at this time, the second sealing ring 22 is in the middle cavity 42, the piston rod 2 slides along the piston cavity 4 under the action of the power device 3 and overcomes the elastic force of the spring 24, when the piston rod slides to the position that the second sealing ring 22 leaves the middle cavity 42 and enters the first air cavity 13 or the second air cavity 14, the first air passage 11 is communicated with the second air passage 12, and the air charging or discharging can be carried out, at this time, the piston rod 2 is at the second position; after the inflation or deflation is finished, the piston rod 2 overcomes the elastic force of the spring 24 to slide along the piston cavity 4 under the action of the power device 3, when the second sealing ring 22 slides to leave the first air cavity 13 or the second air cavity 14 and enter the middle cavity 42, the middle cavity 42 is closed, the inflation or deflation is stopped when the first air cavity 13 and the second air cavity 14 are disconnected, and at the moment, the piston rod 2 is at the first position.
The utility model discloses in through set up piston chamber 4 in casing 1, first air flue 11, second air flue 12, first air chamber 13 and second air chamber 14, separate piston chamber 4 for left chamber 41 through first air chamber 13 and second air chamber 14, lumen 42 and right chamber 43, make first air flue 11 communicate with piston chamber 4 through first air chamber 13, it communicates with piston chamber 4 through second air chamber 14 to set up second air flue 12, set up piston rod 2 in piston chamber 4, set up second sealing ring 22 on piston rod 2, slide between piston chamber 4 internal primary importance and secondary importance through power device drive piston rod 2, control lumen 42's break-make, make first air flue 11 and second air flue 12 intercommunication or disconnection, thereby can control and fill the gassing.
The piston rod 2 is provided with a first sealing ring 21 in the left chamber 41 for sealing the left chamber 41 and supporting the piston rod 2, and the piston rod 2 is provided with a third sealing ring 23 in the right chamber 43 for sealing the right chamber 43 and supporting the piston rod 2. A power means 3 is provided to drive the piston rod 2 to slide within the piston chamber 4 between the first and second positions. The power device 3 comprises a motor 31, a cam is arranged on a rotating shaft of the motor 31, the cam surface is connected with the left end of the piston rod 2 in a sliding mode, a spring 24 is arranged at the right end of the piston rod 2, and the piston rod 2 can be controlled to slide in the left-right direction along the piston cavity 4 through the matching of the power device 3 and the spring 24. The magnet 34 is arranged on the cam, the Hall element 33 is arranged in the power cavity 15, and the rotating position of the cam can be detected through the matching of the Hall element 33 and the magnet 34, so that the sliding position of the piston rod 2 is controlled, the accuracy of position control of the piston rod 2 is improved, and the accuracy of air charging and discharging is improved.
As shown in fig. 2, a lock valve 6 is further provided in the housing 1.
A locking cavity 16 matched with the locking valve 6 is arranged in the shell 1, and the locking cavity 16 is vertical to the second air passage 12 to divide the second air passage 12 into two sections. The locking valve 6 is arranged in the locking cavity 16, the second air passage 12 can be manually opened and closed through the locking valve 6, and the situation that the second air passage 12 is manually closed when program control is wrong or is necessary to be closed can be prevented, and the tire is blocked after the second air passage 12 is closed, so that air leakage of the tire is avoided.
As shown in fig. 2, the bottom of the housing 1 is provided with a control chamber 17 for accommodating the circuit board 5, the bottom of the control chamber 17 is open, the opening is sealed by a bottom plate, and the circuit board 5 is arranged in the control chamber 17. A third air passage 18 is arranged between the control cavity 17 and the second air passage 12, and the control cavity 17 is communicated with the second air passage 12 through the third air passage 18. The circuit board 5 is arranged in the control cavity 17, and a sensor 51 is arranged on the circuit board 5 corresponding to the position of the third air channel 18.
The sensor 51 is communicated with the third air passage 18, the sensor 51 is communicated with the second air passage 12 and the tire through the third air passage 18 so as to detect the air pressure and the temperature of air in the tire, and the circuit board 5 receives the detection information of the sensor 51 and controls inflation and deflation in real time according to the air pressure and the temperature of the air. The sensor 51 seals the third air passage 18 against air leakage from the third air passage 18 with a gasket, not shown in fig. 2, arranged around the sensor 51.
The utility model discloses in, through set up control chamber 17 in casing 1, make control chamber 17 through third air flue 18 and second air flue 12 intercommunication to set up circuit board 5 in control chamber 17, set up sensor 51 with the corresponding position of third air flue 18 on circuit board 5, make sensor 51 through third air flue 18, second air flue 12 and the inside intercommunication of tire, thereby atmospheric pressure and temperature in the real-time detection tire, fill the gassing through circuit board 5 control power device 3.
As shown in fig. 3, 4 and 5, the housing 1 is square, and the first interface and the second interface are respectively disposed on two adjacent side surfaces of the housing 1.
Set up casing 1 and be square, conveniently fix casing 1 on the axle of car, set up first interface and second interface on adjacent two faces, make the orientation of first interface and the orientation mutually perpendicular of second interface, make first interface towards the air supply on the axle, make the second interface towards the valve of tire, conveniently install the controller on the automobile body, conveniently be connected simple structure with air supply and tire.
The air inlet pipe can be any pipe with three joints, such as a tee pipe with a valve. One end of the air inlet pipe is connected with the first interface and communicated with the first air passage 11, and the other end of the air inlet pipe is respectively connected with an air source and the atmosphere. When aerifing, the intake pipe communicates with the air supply, makes the gas in the air supply get into first gas duct 11 through the intake pipe and aerifys, and when the gassing, the intake pipe communicates with the atmosphere, carries out the gassing.
When the pneumatic tire sealing device is used, the feeding hole is respectively connected with an air source and the atmosphere through the air inlet pipe, the air outlet is connected with a tire through the inflation pipe, when the sensor 51 detects that the tire air pressure is lower than a set value and inflation is needed, the power device 3 controls the piston rod 2 to slide along the piston cavity 4, the second sealing ring 22 leaves the middle cavity 42 and enters the first air cavity 13 or the second air cavity 14, and the air inlet pipe is communicated with the air source to inflate; after the inflation is finished, the air inlet pipe is disconnected from the air source, the piston rod 2 slides along the piston cavity 4 under the action of the power device 3, so that the second sealing ring 22 leaves the first air cavity 13 or the second air cavity 14 and enters the middle cavity 42, and the first air cavity 13 is disconnected from the second air cavity 14; when the sensor 51 detects that the tire pressure is higher than a set value and deflation is needed, the power device 3 controls the piston rod 2 to slide along the piston cavity 4, so that the second sealing ring 22 leaves the middle cavity 42 and enters the first air cavity 13 or the second air cavity 14, and the air inlet pipe is communicated with the atmosphere to deflate; after deflation is finished, the air inlet pipe is disconnected and communicated with the atmosphere, the piston rod 2 slides along the piston cavity 4 under the action of the power device 3, the second sealing ring 22 leaves the first air cavity 13 or the second air cavity 14 to enter the middle cavity 42, and the first air cavity 13 is disconnected and communicated with the second air cavity 14.
The utility model discloses in through set up piston chamber 4 in casing 1, first air flue 11, second air flue 12, first air chamber 13 and second air chamber 14, set up piston rod 2 in piston chamber 4, set up second sealing ring 22 on piston rod 2, drive piston rod 2 through power device 3 and slide between piston chamber 4 inherent primary importance and second place, control lumen 42 break-make, make first air flue 11 and second air flue 12 intercommunication or disconnection, thereby can control and fill the gassing, do not receive gas pressure's influence, improve and fill gassing efficiency and accuracy.
The power device 3 comprises a motor 31, a cam 32 is arranged on a rotating shaft of the motor 31, the surface of the cam 32 is connected with the left end of the piston rod 2 in a sliding mode, a spring 24 is arranged at the right end of the piston rod 2, and the piston rod 2 can be controlled to slide in the left-right direction along the piston cavity 4 through the matching of the power device 3 and the spring 24. The magnet 34 is arranged on the cam 32, the hall element 33 is arranged in the power cavity 15, and the rotating position of the cam 32 can be detected through the matching of the hall element 33 and the magnet 34, so that the sliding position of the piston rod 2 is controlled, the accuracy of controlling the position of the piston rod 2 is improved, and the accuracy of charging and discharging air is further improved.
A locking cavity 16 is arranged in the shell 1 to divide the second air passage 12 into two sections, a locking valve 6 is arranged in the locking cavity 16, the second air passage 12 can be manually opened and closed through the locking valve 6, and the second air passage 12 is prevented from being manually closed when a controller makes a mistake or is necessary to close. The control cavity 17 is arranged in the shell 1, the control cavity 17 is communicated with the second air passage 12 through the third air passage 18, the circuit board 5 is arranged in the control cavity 17, the sensor 51 is arranged on the circuit board 5 and at a position corresponding to the third air passage 18, the sensor 51 is communicated with the interior of the tire through the third air passage 18 and the second air passage 12, accordingly, the air pressure and the temperature in the tire are detected in real time, and the power device 3 is controlled through the circuit board 5 to perform inflation and deflation.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Claims (7)
1. The inflation and deflation controller is characterized by comprising a shell (1), a piston rod (2) and a power device (3),
a first air passage (11), a second air passage (12), a first air cavity (13), a second air cavity (14), a piston cavity (4) and a power cavity (15) are arranged in the shell (1),
one end of the first air passage (11) is connected with the first air cavity (13), the other end of the first air passage extends to the surface of the shell (1) to form a first interface,
one end of the second air channel (12) is connected with the second air cavity (14), the other end extends to the surface of the shell (1) to form a second interface,
the first air cavity (13) and the second air cavity (14) are both cylindrical, and the first air cavity (13) and the second air cavity (14) are coaxially arranged in the left-right direction to keep a distance;
the piston cavity (4) is cylindrical, the diameter of the piston cavity (4) is smaller than that of the first air cavity (13), the piston cavity extends in the left-right direction, penetrates through the first air cavity (13) and the second air cavity (14), and is divided into a left cavity (41), a middle cavity (42) and a right cavity (43);
the power cavity (15) is arranged on the left side of the piston cavity (4) and is communicated with the left end of the piston cavity (4);
the piston rod (2) is cylindrical, the diameter of the piston rod (2) is smaller than that of the piston cavity (4), and a first sealing ring (21), a second sealing ring (22) and a third sealing ring (23) which have the same diameter as the piston cavity (4) are fixedly arranged on the piston rod (2);
the piston rod (2) is arranged in the piston cavity (4) in a sliding mode and can slide to a first position enabling the second sealing ring (22) to be located in the middle cavity (42) and a second position enabling the second sealing ring (22) to be located in the first air cavity (13) or the second air cavity (14);
the piston rod (2), the first sealing ring (21) and the third sealing ring (23) are arranged in such a way that when the piston rod (2) slides between a first position and a second position, the first sealing ring (21) is always positioned in the left cavity (41), and the third sealing ring (23) is always positioned in the right cavity (43);
the power device (3) is arranged in the power cavity (15) and is connected with the left end of the piston rod (2).
2. The charge and discharge controller according to claim 1, wherein the power device (3) includes a motor (31) and a cam (32),
the motor (31) is arranged in the power cavity (15), and a rotating shaft of the motor (31) is vertical to the axis of the piston cavity (4);
the cam (32) is arranged on a rotating shaft of the motor (31), and the surface of the cam (32) is connected with the left end of the piston rod (2) in a sliding mode.
3. The charge and discharge controller according to claim 2, further comprising a Hall element (33),
the Hall element (33) is arranged on the inner wall of the power cavity (15) and is positioned on one side of the cam (32) far away from the motor (31);
and a magnet (34) is arranged on one side of the cam (32) close to the Hall element (33).
4. The inflation and deflation controller according to claim 1, further comprising a spring (24),
the spring (24) is arranged in the right cavity (43), one end of the spring is connected with the right end of the piston rod (2), and the other end of the spring is connected with the right end of the right cavity (43).
5. Inflation and deflation controller according to claim 1, further comprising a lock valve (6),
a locking cavity (16) matched with the locking valve (6) is arranged in the shell (1);
the locking cavity (16) penetrates through the second air passage (12) to divide the second air passage (12) into two sections;
the locking valve (6) is arranged in the locking cavity (16).
6. The inflation and deflation controller according to claim 1, further comprising a circuit board (5),
a control cavity (17) for accommodating the circuit board (5) is arranged at the bottom of the shell (1), and a third air passage (18) is arranged between the control cavity (17) and the second air passage (12) and communicated with each other through the third air passage (18);
the circuit board (5) is arranged in the control cavity (17), and a sensor (51) corresponding to the position of the third air channel (18) is arranged on the circuit board (5);
the sensor (51) is communicated with the third air passage (18) and seals the third air passage (18).
7. Inflation and deflation controller according to any of claims 1-6, wherein the housing (1) is square shaped,
the first interface and the second interface are respectively arranged on two adjacent side surfaces of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222396745.7U CN218021071U (en) | 2022-09-07 | 2022-09-07 | Air inflation and deflation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222396745.7U CN218021071U (en) | 2022-09-07 | 2022-09-07 | Air inflation and deflation controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218021071U true CN218021071U (en) | 2022-12-13 |
Family
ID=84352866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222396745.7U Active CN218021071U (en) | 2022-09-07 | 2022-09-07 | Air inflation and deflation controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218021071U (en) |
-
2022
- 2022-09-07 CN CN202222396745.7U patent/CN218021071U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101108576B (en) | Automatic control device of tire pressure | |
| CN218021071U (en) | Air inflation and deflation controller | |
| CN101806369B (en) | Inflation/deflation valve assembly for central tire inflation/deflation system of automobile | |
| CN103063448B (en) | Caliber adjustable tire puncture testing device controlled by wire | |
| CN101761674A (en) | Wheel valve | |
| CN208687050U (en) | A kind of rotary Pneumatic valve and its pneumatic control system | |
| CN216012619U (en) | Rotary oil seal air tightness detection tool | |
| CN208107231U (en) | A kind of Bidirectional Air Valve and the wheel using the Bidirectional Air Valve | |
| CN204415354U (en) | Motor vehicle braking system emptier | |
| CN101362423A (en) | Inflated and deflated apparatus for rotary tyre and control system thereof | |
| CN106427935A (en) | Quick-exhaust tyre inflator | |
| CN115683821A (en) | Plugging device and method for pipeline compression resistance detection | |
| CN112594406B (en) | Cab height valve with large-angle stroke | |
| CN214215391U (en) | Air charging and discharging device | |
| CN2905519Y (en) | Central aeration diaphragm valve of automobile tyre | |
| CN104251355B (en) | A kind of anti-leak gas live testing interface | |
| CN215763425U (en) | Air valve, tire inflation and deflation device and vehicle | |
| CN211730941U (en) | Novel tire pressure gun | |
| CN201687998U (en) | Charging and discharging valve assembly of central charging and discharging system of automobile tire | |
| CN215726778U (en) | Inflating valve through hole detection tool | |
| CN208558898U (en) | The tire pressure air-gun structure of fast accurate measurement | |
| CN213088899U (en) | Controller for inflation and deflation | |
| CN105742779A (en) | Flexible inflatable antenna floating body inflation control device | |
| CN220114600U (en) | Constant-pressure inflating gun for aviation tire | |
| CN112049782B (en) | Air charging and discharging structure and method of pneumatic diaphragm pump capable of discharging air quickly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |