CN109229074B - Quick inflating device - Google Patents
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- CN109229074B CN109229074B CN201811295102.5A CN201811295102A CN109229074B CN 109229074 B CN109229074 B CN 109229074B CN 201811295102 A CN201811295102 A CN 201811295102A CN 109229074 B CN109229074 B CN 109229074B
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- power supply
- pipe
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- 230000005540 biological transmission Effects 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/04—Supplying air for tyre inflation
- B60S5/043—Supplying air for tyre inflation characterised by the inflation control means or the drive of the air pressure system
- B60S5/046—Supplying air for tyre inflation characterised by the inflation control means or the drive of the air pressure system using electrical or electronical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Actuator (AREA)
Abstract
The invention provides a rapid air charging device, which relates to the field of air charging equipment and comprises a central controller, a power supply and a substrate, wherein the substrate is provided with the power supply controller, an electromagnetic switch, a high-pressure air cylinder, an air transmission rod and a fixing piece, the power supply controller is respectively and electrically connected with the power supply and the electromagnetic switch, one end of the fixing piece is connected with the substrate, the other end of the fixing piece is movably connected with the air transmission rod, one end of the electromagnetic switch is fixedly connected with the substrate, the other end of the electromagnetic switch corresponds to the air transmission rod, a magnetic connecting seat is arranged at a position, corresponding to the electromagnetic switch, of the air transmission rod, one end, close to the high-pressure air cylinder, of the air transmission rod is provided with an air inlet piece, and the air inlet piece corresponds to an air valve of the high-pressure air cylinder. The device utilizes the principle of an electromagnetic relay, adopts BJT to combine an electromagnetic control device and an air transmission rod to realize instant air inflation, and adopts a central controller (a singlechip) to control the air inflation through a circuit, so that the instant air inflation is realized, the device can be applied to the air inflation of an air bag, and the air inflation time is shortened.
Description
Technical Field
The invention mainly relates to the field of safety protection auxiliary equipment, in particular to a rapid inflation device.
Background
Currently, rapid inflation devices are widely used. Whether the airbag in the automobile or simply the basketball is inflated, the inflation device plays a role in the inflation device, so that research on how to achieve quick and intelligent inflation is particularly important. Most of the existing devices adopt a horizontal transmission mode to provide a gas inlet, and then the high-pressure gas cylinder is deflated. In the process, the opening speed is influenced by frictional resistance existing between the transmission rod and surrounding substances; in addition, in the current device, the gas inlets are all arranged large, which inevitably causes leakage of gas; moreover, many devices can only be inflated automatically or instantaneously, and few devices can do both at the same time, which makes the device very narrow in application.
Chinese patent, portable basketball quick aerating device (CN 107802997 a), including the barrel, seted up the air inlet on the outer wall of one side of barrel, the barrel top is connected with rings through connecting the rope, and is fixed with miniature air pump on the top inner wall of barrel, the below of miniature air pump is equipped with the gas holder, and the outer wall of gas holder passes through bolted connection with the inner wall of barrel, miniature air pump's the end of giving vent to anger communicates with the gas holder is inside through the pipe, and the gas holder is kept away from the one end of miniature air pump and is connected with the connecting pipe that is located the barrel outside, slip cap is equipped with the retainer plate on the outer wall of barrel, and articulates on the outer wall of retainer plate has the clamping piece of three equidistance distributions, and three the clamping piece is the arc rod-shaped structure. According to the basketball clamping device, manual inflation is not needed, time and labor are saved, the air pressure in the basketball can be detected in real time through the barometer, and the basketball can be clamped between the three clamping pieces. But the device can only be used for inflating sports goods, and the inflation still needs manual triggering, and also can not realize automatic control inflation, and the limitation of use is bigger.
Disclosure of Invention
The present invention aims to provide a rapid inflation device which effectively improves the above problems.
The invention is realized in the following way:
based on the above object, the embodiment of the invention provides a quick inflation device, which comprises a central controller, a power supply and a base plate, wherein the base plate is provided with the power supply controller, an electromagnetic switch, a high-pressure gas cylinder, a gas transmission rod and a fixing piece, the power supply controller is respectively and electrically connected with the power supply and the electromagnetic switch, one end of the fixing piece is connected with the base plate, the other end of the fixing piece is movably connected with the gas transmission rod, the gas transmission rod is of a hollow structure, one end of the electromagnetic switch is fixedly connected with the base plate, the other end of the electromagnetic switch corresponds to the gas transmission rod, a magnetic connecting seat is arranged at a position of the gas transmission rod corresponding to the electromagnetic switch, the magnetic connecting seat is used for generating mutual magnetic force action with the electromagnetic switch in an electrified state, one end of the gas transmission rod, which is close to the high-pressure gas cylinder, is provided with a gas inlet piece corresponding to the gas valve seat of the high-pressure gas cylinder, and when the electromagnetic switch contacts with the magnetic connecting seat, the gas inlet piece is inserted into the high-pressure gas cylinder and conducts with the high-pressure gas cylinder.
In an alternative embodiment of the present invention, the electromagnetic switch includes a metal coil, an iron core, and a first spring, where the iron core is cylindrical, the metal coil is wound around the outside of the iron core, and the metal coil is connected with the power supply through the power supply controller, one end of the iron core corresponding to the air transmission rod is provided with a fixed contact, one end of the first spring is connected with one end of the iron core near the air transmission rod, the other end of the first spring is connected with one end of the air transmission rod near the iron core, the magnetic connection seat includes a moving contact corresponding to the fixed contact, and the first spring is sleeved on the outer surfaces of the moving contact and the fixed contact.
In an alternative embodiment of the present invention, the power supply controller includes a base, an emitter, and a collector, and the base is connected to the central controller, the collector is connected to the metal coil, the emitter is grounded, the emitter is used for emitting electrons, and the collector is used for receiving electrons.
In an alternative embodiment of the present invention, the high-pressure gas cylinder is disposed between the electromagnetic switch and the power supply controller, the fixing member is a stand column disposed along a vertical direction, the gas transmission rod is disposed on one side of the stand column, the gas transmission rod is provided with a positioning member matched with the stand column, the positioning member includes two L-shaped positioning blocks disposed oppositely, and the two L-shaped positioning blocks are slidably coated on two opposite sides of the stand column.
In an alternative embodiment of the invention, the air valve is provided with a first air release pipe, the first air release pipe is of a hollow structure with an opening at the bottom, an air needle and at least two second springs which are oppositely arranged are arranged in the first air release pipe, an air hole is formed in the middle of the first air release pipe, the air needle movably penetrates through the air hole, one end of the second spring is connected with the top edge of the first air release pipe, the other end of the second spring is connected with the air needle, a blocking block is arranged at the bottom of the air needle, the blocking block is always abutted with the air hole and seals the air hole, the air inlet piece comprises an ejector pin and a sleeve, and the sleeve is used for being sleeved outside the first air release pipe, and the ejector pin corresponds to the air needle and is used for ejecting the air hole.
In an alternative embodiment of the present invention, the high-pressure gas cylinder is disposed at a side of the electromagnetic switch, which is far away from the power supply controller, the fixing piece is a stand column disposed along a vertical direction, the gas transmission rod is disposed at a side of the stand column, the gas transmission rod is provided with a rotating shaft, the stand column is provided with a mounting hole matched with the rotating shaft, and the rotating shaft is rotatably embedded in the mounting hole.
In an alternative embodiment of the present invention, the valve is provided with a second air release pipe, the second air release pipe is of a hollow structure with two open ends, the second air release pipe protrudes out of the top of the high-pressure air cylinder, the air inlet piece comprises a sealing cover and a puncture needle, the puncture needle is located in the middle of the sealing cover, the section of the second air release pipe is trapezoid, the section area of the second air release pipe gradually decreases from one end of the high-pressure air cylinder to one end close to the air inlet piece, a rubber ring is sleeved on the outer circumferential surface of the second air release pipe, the clearance section of the sealing cover is trapezoid matched with the second air release pipe, and the clearance area of the sealing cover gradually decreases from one end close to the second air release pipe to one end far away from the second air release pipe.
In an alternative embodiment of the present invention, the top of the second air release pipe is sealed by a sealing film, the distance between the puncture needle and the sealing film is smaller than the distance between the moving contact and the fixed contact, and the puncture needle is used for puncturing the sealing film and conducting the second air release pipe with the high-pressure gas cylinder.
Compared with the prior art, the invention has the beneficial effects that:
the rapid inflation device provided by the embodiment of the invention realizes automatic and instant inflation by utilizing the principle of an electromagnetic relay and adopting the BJT in combination with the electromagnetic control device and the air transmission rod, realizes the 'transiently' inflation by using a central controller (a singlechip) to control the inflation through a circuit, can be applied to the inflation of an air bag, and shortens the inflation time. The second spring is arranged between the iron core and the air transmission rod, and a manual air inflation mode is added, so that the device can be applied to various occasions; in addition, the air needle is used for inflating, so that the channels of air inlet and air outlet are reduced, and the air is not easy to leak.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the structure of a rapid inflation device according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the connection structure of the gas transfer rod and the fixing member of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the inlet piece and the high pressure gas cylinder of FIG. 1;
fig. 4 is a schematic structural view of a rapid inflation device according to embodiment 2 of the present invention.
Icon: 10-a central controller; 20-a power supply; 30-a substrate; 40-a power supply controller; 41-base; 42-emitter; a 43-collector; 50-electromagnetic switch; 51-metal coil; 52-iron core; 53-a first spring; 54-fixed contact; 60-high pressure gas cylinder; 61-valve; 62-a primary air bleed; 620-air holes; 63-air needle; 630-block; 64-a second spring; 65-a secondary bleed line; 650-rubber rings; 651-seal film; 70-an air transmission rod; 71-an air inlet; 710-thimble; 711-sleeve; 712-sealing cover; 713-lancet; 72-a magnetic connection base; 73-moving contact; 74-positioning blocks; 75-rotating shaft; 80-fixing piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Example 1
Referring to fig. 1, an embodiment of the present invention provides a rapid air charging device, which includes a central controller 10, a power source 20 and a base plate 30, wherein the base plate 30 is provided with a power source controller 40, an electromagnetic switch 50, a high-pressure air cylinder 60, an air transmission rod 70 and a fixing member 80, and the power source 20 is used for providing electric energy for starting the electromagnetic switch 50. The central controller 10 is a single-chip microcomputer and can control simple program operation. The substrate 30 may be provided alone, or a surface of a device to be charged may be used as the substrate 30. The power controller 40 is configured to receive an instruction from the central controller 10 and control the electromagnetic switch 50 to be turned on or off. The high pressure gas cylinder 60 is used to store compressed gas and then charge the equipment to be inflated such as: the safety air bag, the tyre and the ball are inflated. The gas transmission rod 70 is used for communicating the object to be inflated with the high-pressure gas cylinder 60. The fixed rod is used for positioning and guiding the gas transmission rod 70.
The power supply controller 40 is electrically connected with the power supply 20 and the electromagnetic switch 50 respectively, one end of the fixing member 80 is connected with the base plate 30, and the other end of the fixing member 80 is movably connected with the air transmission rod 70, wherein the movable connection can be sliding connection or rotary connection. The gas transfer rod 70 is hollow in structure, so that gas in the high-pressure gas cylinder 60 can be transferred into the device to be inflated. One end of the electromagnetic switch 50 is fixedly connected with the substrate 30, the other end of the electromagnetic switch 50 corresponds to the air transmission rod 70, a magnetic connecting seat 72 is arranged at a part of the air transmission rod 70 corresponding to the electromagnetic switch 50, and the magnetic connecting seat 72 is made of a magnet; the magnetic connection base 72 is used to generate a mutual magnetic force with the electromagnetic switch 50 in the energized state, and in general, the magnetic force is herein a mutual attractive force, that is, the electromagnetic switch 50 may attract the magnetic connection base 72 to contact with the electromagnetic switch 50 after being turned on.
An air inlet piece 71 is arranged at one end of the air transmission rod 70, which is close to the high-pressure air cylinder 60, the air inlet piece 71 corresponds to the air valve 61 of the high-pressure air cylinder 60, and when the electromagnetic switch 50 and the magnetic connecting seat 72 are in contact with each other, the air inlet piece 71 is inserted into the air valve 61 of the high-pressure air cylinder 60 and is communicated with the high-pressure air cylinder 60. That is, the valve 61 of the high-pressure gas cylinder 60 is closed in a normal state, and when the electromagnetic switch 50 is in contact with the magnetic coupling seat 72, the gas inlet member 71 is also moved in synchronization with the magnetic coupling seat 72 to be in contact with the valve 61, and the valve 61 is opened, so that the compressed gas not contained in the high-pressure gas cylinder 60 enters the gas transmission rod 70 through the gas inlet member 71.
In the present embodiment, the electromagnetic switch 50 includes a metal coil 51, a core 52, and a first spring 53, and the electromagnetic switch 50 employs the principle of electromagnetic induction. The iron core 52 may be a cylindrical body, a rectangular body, or other shapes. The metal coil 51 is wound outside the iron core 52, and the metal coil 51 is connected to the power source 20 through the power source controller 40, and when the power source controller 40 turns on the power source 20 and the metal coil 51, a magnetic force is generated at the top of the iron core 52, and the magnetic force interacts with the magnetic force of the magnetic connection seat 72.
The fixed contact 54 is arranged at one end of the iron core 52 corresponding to the air transmission rod 70, the fixed contact 54 is kept static, one end of the first spring 53 is connected with one end of the iron core 52 close to the air transmission rod 70, the other end of the first spring 53 is connected with one end of the air transmission rod 70 close to the iron core 52, the magnetic connecting seat 72 comprises a moving contact 73 corresponding to the fixed contact 54, the first spring 53 is sleeved on the outer surfaces of the moving contact 73 and the fixed contact 54, the first spring 53 connects the air transmission rod 70 and the iron core 52 with each other, the first spring 53 is always subjected to the gravity action of the air transmission rod 70, the first spring 53 is in a compressed state, the elastic force of the first spring 53 supports the air transmission rod 70, the moving contact 73 is always not contacted with the fixed contact 54, and under the attraction of the magnetic force generated by the iron core 52 and the magnetic force generated by the magnetic connecting seat 72, the magnetic force overcomes the elastic force of the first spring 53 to enable the fixed contact 54 and the moving contact 73 to be contacted with the air inlet piece 71 and the high-pressure air bottle 60 at the same time. Further, the first spring 53, the moving contact 73 and the fixed contact 54 may be regarded as one magnetic force acting group, and two or more magnetic force acting groups may be provided, so that permanent contact between the fixed contact 54 and the moving contact 73 due to failure of elasticity of the respective springs may be avoided.
In this embodiment, the power supply controller 40 includes a base 41, an emitter 42, and a collector 43, wherein the base 41 is connected to the central controller 10, the collector 43 is connected to the metal coil 51, the emitter 42 is grounded, the emitter 42 is used for emitting electrons, and the collector 43 is used for receiving electrons. The power supply controller 40 here employs a diode of the BJT type, which is a short for bipolar junction transistor, which is divided into three regions: emitter 42, base 41, and collector 43, respectively, are alphabetically: e. b, c, wherein the electron concentration of the emitter 42 is larger, for emitting electrons, the area of the collector 43 is larger, for collecting electrons, when the voltage on the collector 43 is higher than the voltage on the base 41, the voltage on the base 41 is higher than the voltage on the emitter 42, the emitter 42 emits electrons to be conducted to the collector 43 through the base 41, in other words, the current is generated in the transistor in the process that the emitter 42 emits electrons to be conducted to the collector 43 through the base 41, the transistor is conducted, the BJT in the device connects the emitter 42 to the ground, the collector 43 is connected with a high frequency, the base 41 is connected with one port of the singlechip, when the air needs to be filled, the central controller 10 (the singlechip) can transmit a high level to the base 41, and the high level is lower than the high level on the collector 43, so that the BJT is conducted, the current is output from the collector 43, and the metal coil 51 is conducted. The BJT is used to make the current conduction speed faster, so that the device can be inflated rapidly.
Referring to fig. 1 and 2, in the present embodiment, the high-pressure gas cylinder 60 is disposed between the electromagnetic switch 50 and the power controller 40, and the electromagnetic switch 50 is located at the middle position of the gas transmission rod 70, so as to reduce the eccentric stress of the force transmission rod. The fixing piece 80 is a stand column arranged along the vertical direction, the air transmission rod 70 is located on one side of the stand column, the air transmission rod 70 is provided with a positioning piece matched with the stand column, the positioning piece comprises two L-shaped positioning blocks 74 which are oppositely arranged, and the two L-shaped positioning blocks 74 are coated on two opposite sides of the stand column in a sliding mode. The positioning member is used as a connecting part of the air transfer rod 70 and the upright post and also used as a limiting part of the air transfer rod 70 in the horizontal direction, so that the air transfer rod 70 can be prevented from shaking in the downward or upward movement process, and the accurate alignment of the air inlet member 71 and the air valve 61 is prevented from being affected.
Referring to fig. 3, in the present embodiment, the air valve 61 is provided with a first air bleed pipe 62, the first air bleed pipe 62 has a hollow structure with an opening at the bottom, and the first air bleed pipe 62 communicates with the high-pressure air bottle 60 through the opening at the bottom. The first air release pipe 62 is internally provided with an air needle 63 and at least two second springs 64 which are oppositely arranged, one end of each second spring 64 is connected with the top edge of the first air release pipe 62, the other end of each second spring 64 is connected with the corresponding air needle 63, when the number of the second springs 64 is two, the two second springs 64 are respectively positioned at two opposite sides of the corresponding air needle 63, and when the number of the second springs 64 is three or more, the second springs 64 are annularly arranged at equal intervals around the periphery of the corresponding air needle 63; the second spring 64 is in tensile state all the time, that is to say, the gas needle 63 receives the pulling force effect of second spring 64 all the time, the gas pocket 620 has been seted up to the intermediate position of first bleed pipe 62, the movable wearing of gas needle 63 locates in the gas pocket 620, the bottom of gas needle 63 is provided with the shutoff piece 630, the shutoff piece 630 is used for better shutoff up gas pocket 620, second spring 64 makes shutoff piece 630 all the time with gas pocket 620 butt and seal up gas pocket 620, the inlet 71 includes thimble 710 and sleeve 711, sleeve 711 is used for the cover to locate outside the first bleed pipe 62, the inner wall of sleeve 711 is in laminating state all the time with the outer wall of first bleed pipe 62, can reduce the leakage of gas, thimble 710 corresponds with gas needle 63 and is used for the jack-up with gas pocket 620.
It should be noted that, in this embodiment, when the electromagnetic switch 50 is triggered by the power controller 40 and the air inlet member 71 is matched with the air valve 61, the electromagnetic switch 50 attracts the air transmission rod 70 downward, and simultaneously the air inlet member 71 and the air transmission rod 70 synchronously move downward, so that the ejector pin 710 gradually approaches the air needle 63 and pushes the air needle 63 downward, so that the air hole 620 is opened, and at this time, the compressed air in the high-pressure air bottle 60 reaches the air transmission rod 70 from the air hole 620 through the sleeve 711 and reaches the object to be inflated.
Example 2
Referring to fig. 4, the difference between embodiment 2 and embodiment 1 of the present invention is that the electromagnetic switch 50 is disposed at the end of the air transfer rod 70, and the air transfer rod 70 and the fixed rod are rotatably connected, and the electromagnetic switch 50 is disposed at the end of the air transfer rod 70, so that the electromagnetic switch 50 can drive the force transfer rod to move downwards by using the lever principle and requiring smaller magnetic force.
Specifically, the high-pressure gas cylinder 60 is disposed on a side of the electromagnetic switch 50 far away from the power controller 40, the fixing member 80 is a stand column disposed along a vertical direction, the gas transmission rod 70 is disposed on a side of the stand column, the gas transmission rod 70 is provided with a rotating shaft 75, the stand column is provided with a mounting hole matched with the rotating shaft 75, and the rotating shaft 75 is rotatably embedded in the mounting hole.
In this embodiment, the valve 61 is provided with a second air release pipe 65, the second air release pipe 65 is of a hollow structure with two open ends, the second air release pipe 65 protrudes out of the top of the high-pressure gas cylinder 60, the air inlet piece 71 comprises a sealing cover 712 and a puncture needle 713, the puncture needle 713 is located at the middle position of the sealing cover 712, the section of the second air release pipe 65 is trapezoid, the section area of the second air release pipe 65 gradually decreases from one end of the high-pressure gas cylinder 60 to one end close to the air inlet piece 71, a rubber ring 650 is sleeved on the outer peripheral surface of the second air release pipe 65, and when the sealing cover 712 is attached to the second air release pipe 65, the rubber ring 650 can improve the sealing effect between the sealing cover 712 and the second air release pipe 65. The clearance cross section of the seal cap 712 is trapezoidal in shape matching the secondary air discharge pipe 65, and the clearance area of the seal cap 712 gradually decreases from the end near the secondary air discharge pipe 65 to the end far from the secondary air discharge pipe 65.
In the present embodiment, the top of the secondary air discharge pipe 65 is sealed by the sealing film 651, and the puncture needle 713 is used to puncture the sealing film 651 and to communicate the secondary air discharge pipe 65 with the high-pressure gas cylinder 60. The distance between the needle 713 and the sealing film 651 is smaller than the distance between the moving contact 73 and the stationary contact 54 because if the distance between the needle 713 and the sealing film 651 is larger than the distance between the moving contact 73 and the stationary contact 54, the needle 713 cannot puncture the sealing film 651 even if the moving contact 73 and the stationary contact 54 abut each other. Therefore, the movable contact 73 needs to be arranged in the above-described manner so that the puncture needle 713 is sufficient to puncture the sealing film 651 when the fixed contact 54 is in contact.
The second air release pipe 65 and the air inlet member 71 in this embodiment are communicated in a form that the puncture needle 713 punctures the sealing film 651, and the sealing film 651 is a disposable product, so that the structure in this embodiment is mostly used in a disposable air inflation device, for example, for inflating air bags of various vehicles, and the structure controls the opening of the device through a circuit by the central controller 10, so that the time is greatly shortened compared with the triggering form of mechanical collision, when the central controller 10 issues a large inflation instruction, the puncture needle 713 can puncture the sealing film 651 at a moment, and at the moment, the gas in the high-pressure gas bottle 60 can be instantaneously transmitted from the gas transmission rod 70 into the air bags, thereby greatly shortening the inflation time of the air bags and protecting the life safety of users.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. 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 (5)
1. The quick air charging device is characterized by comprising a central controller, a power supply and a substrate, wherein the substrate is provided with the power supply controller, an electromagnetic switch, a high-pressure air cylinder, an air transmission rod and a fixing piece, the power supply controller is respectively and electrically connected with the power supply and the electromagnetic switch, one end of the fixing piece is connected with the substrate, the other end of the fixing piece is movably connected with the air transmission rod, the air transmission rod is of a hollow structure, one end of the electromagnetic switch is fixedly connected with the substrate, the other end of the electromagnetic switch corresponds to the air transmission rod, a magnetic connecting seat is arranged at a position, corresponding to the electromagnetic switch, of the air transmission rod, the magnetic connecting seat is used for generating mutual magnetic force action with the electromagnetic switch in an electrified state, one end, close to the high-pressure air cylinder, of the air transmission rod is provided with an air inlet piece, the air inlet piece corresponds to an air valve of the high-pressure air cylinder, and when the electromagnetic switch and the magnetic connecting seat are in mutual contact, the air inlet piece is inserted into the high-pressure air cylinder and is conducted with the air valve of the high-pressure air cylinder.
The electromagnetic switch comprises a metal coil, an iron core and two first springs, wherein the iron core is cylindrical, the metal coil is wound outside the iron core, the metal coil is connected with a power supply through a power supply controller, one end of the iron core corresponding to the air transmission rod is provided with a fixed contact, one end of the first spring is connected with one end of the iron core, which is close to the air transmission rod, the other end of the first spring is connected with one end of the air transmission rod, which is close to the iron core, the magnetic connecting seat comprises a moving contact corresponding to the fixed contact, and the first springs are sleeved on the outer surfaces of the moving contact and the fixed contact;
the high-pressure gas cylinder is arranged between the electromagnetic switch and the power supply controller, the fixing piece is a stand column arranged along the vertical direction, the gas transmission rod is positioned at one side of the stand column, the gas transmission rod is provided with a positioning piece matched with the stand column, the positioning piece comprises two L-shaped positioning blocks which are oppositely arranged, and the two L-shaped positioning blocks are coated on two opposite sides of the stand column in a sliding manner;
or, the high-pressure gas cylinder set up in electromagnetic switch's one side of keeping away from power controller, the mounting is the stand that sets up along vertical direction, the gas transmission pole is located one side of stand, the gas transmission pole is provided with the pivot, the stand seted up with pivot assorted mounting hole, the rotatable inlay of pivot is located in the mounting hole.
2. The rapid inflation device of claim 1, wherein the power controller comprises a base, an emitter, and a collector, and wherein the base is connected to the central controller, the collector is connected to the metal coil, the emitter is grounded, the emitter is configured to emit electrons, and the collector is configured to receive electrons.
3. The quick inflation device according to claim 1, wherein the valve is provided with a first air release pipe, the first air release pipe is of a hollow structure with an opening at the bottom, an air needle and at least two second springs which are oppositely arranged are arranged in the first air release pipe, an air hole is formed in the middle position of the first air release pipe, the air needle movably penetrates through the air hole, one end of the second spring is connected with the top edge of the first air release pipe, the other end of the second spring is connected with the air needle, a blocking block is arranged at the bottom of the air needle, the blocking block is always in butt joint with the air hole and seals the air hole, the air inlet piece comprises an ejector pin and a sleeve, the sleeve is used for being sleeved outside the first air release pipe, and the ejector pin corresponds to the air needle and is used for pushing the air hole open.
4. The rapid inflation device according to claim 3, wherein the valve is provided with a second deflation pipe, the second deflation pipe is of a hollow structure with two open ends, the second deflation pipe protrudes out of the top of the high-pressure gas cylinder, the gas inlet piece comprises a sealing cover and a puncture needle, the puncture needle is located at the middle position of the sealing cover, the section of the second deflation pipe is trapezoid, the section area of the second deflation pipe gradually decreases from one end of the high-pressure gas cylinder to one end close to the gas inlet piece, a rubber ring is sleeved on the outer peripheral surface of the second deflation pipe, the clearance section of the sealing cover is trapezoid matched with the second deflation pipe, and the clearance area of the sealing cover gradually decreases from one end close to the second deflation pipe to one end far away from the second deflation pipe.
5. The rapid inflation device of claim 4, wherein the top of the secondary air bleed is sealed by a sealing membrane, the distance between the spike and the sealing membrane is less than the distance between the moving contact and the stationary contact, and the spike is configured to puncture the sealing membrane and to conduct the secondary air bleed to the high pressure gas cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295102.5A CN109229074B (en) | 2018-11-01 | 2018-11-01 | Quick inflating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110189906B (en) * | 2019-05-23 | 2021-05-14 | 精泰电气集团有限公司 | Low-voltage transformer for Gobi area |
| CN114404834B (en) * | 2022-02-17 | 2022-09-16 | 江西高强电瓷集团有限公司 | Convenient and quick anti-falling device for upward displacement of high-voltage electric tower and application method thereof |
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