CN2897692Y - Safety leakage and overpressure alarming device of tyre for automobile - Google Patents
Safety leakage and overpressure alarming device of tyre for automobile Download PDFInfo
- Publication number
- CN2897692Y CN2897692Y CNU2005200497148U CN200520049714U CN2897692Y CN 2897692 Y CN2897692 Y CN 2897692Y CN U2005200497148 U CNU2005200497148 U CN U2005200497148U CN 200520049714 U CN200520049714 U CN 200520049714U CN 2897692 Y CN2897692 Y CN 2897692Y
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- seat
- switch
- annunciator
- superpressure
- wireless
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Abstract
The utility model discloses an anti-theft and leakage, overpressure alarm for tyres, which comprises a pressure switch arranged on the inflation valve, an anti-theft swith arranged between a reserve tyre chain-swap and a reserve tyre steel ring and a wireless transmitter electrically connecting with the pressure switch and the anti-theft swith, and a wireless receiver arranged in the cab and coding wireless communicated with the wireless transmitter, the wireless receiver is provided with more than one export to connect with an audio alarm. This utility model drives respective wireless transmitter to send a coding signal to the wireless receiver of the cab by disconnecting the pressure switch or the anti-theft swith when any tyre is deficiently or over pressed or the reserve tyre is stolen, the wireless receiver will drive the corresponding indicator to scintillate, and the audio alarm to tweet meanwhile, awaking the driver to care which tyre is leaking or over pressed and which reserve tyre is stolen so that the driver can take relevant measures in advance.
Description
Technical field
The utility model relates to the antitheft and gas leakage of a kind of warning device that is used on the automobile, particularly motor tire, superpressure annunciator.
Background technology
Automobile is particularly run at high speed on express highway or when delivering weight, it is a very dangerous thing that tire leaks air in motion, is easy to cause automobile sideslip, inclination even capsizing case takes place, and causes the loss of personnel and property.Therefore it is necessary the motor tire in travelling being carried out real-time gas leakage detection.Existing detection technique seems very weak at this this respect.For example: a kind of method of inspection commonly used is to hang up iron chains at the wheel shaft place of automobile, and iron chains is liftoff certain distance, and when the gas in the motor tire was very sufficient, iron chains did not come in contact with ground; And when the air pressure in the tire is not enough, the height that wheel shaft is liftoff reduces, iron chains with contact, when automobile is advanced, can send the sound, remind the driver to note, but this means have two defectives, the one, can only do general estimation to the inflating condition of tire, can not satisfy needs to senior tire maintenance, the 2nd, the road pavement situation has very high requirement, in case exercise on rugged road, this method almost can not brought into play any effect.Therefore, everybody presses for a kind of new means and aligns under steam automobile and carry out real-time gas leakage and detect.In order to solve the problem of tyre leakage in the driving process, a lot of inventors have invented multi-form tyre alarm; As publication number is CN2538577Y disclosed " a kind of tyre leakage autoalarm ", comprises signal source circuit and warning circuit, and wherein signal source circuit comprises electromagnetic induction path and baroswitch again.Baroswitch is connected on the cranked tire valve, connect spring behind air chamber closed glue pad wherein and the switch contact gland, when tire pressure during greater than spring pressure, circuit disconnects, work as low tyre, during less than spring pressure, circuit is connected, utilize electromagnetic induction that signal is passed to warning circuit through the electromagnetic induction path, send alerting signal.As publication number CN2616411Y disclosed " tire for vehicles air pressure electronic alarm ", it comprises a tubulose adapter sleeve that can be connected in tire valve stake oral area, the adapter sleeve two ends are equipped with interior silking, the outer silking of the interior silking of one end and tire tube valve stake mouth matches, the interior silking of the other end and the outer silking of tire valve core match, the inwall of adapter sleeve and tire tube valve stake coupling end also is provided with the groove that can embed seal ring, adapter sleeve is provided with air pressure detecting head and wireless signal transmitter, the signal output of this air pressure detecting head is connected with the start-up control end of wireless signal transmitter, correspondingly with above-mentioned wireless signal transmitter be provided with a wireless signal receiver, described wireless signal receiver is provided with audio alarm.Publication number is CN2284150Y disclosed " a tire flat warning valve cap " for another example, it is made up of core body, core print seat and shell, reed switch and warning circuit are housed in the core body, also has a hollow pillar, piston and spring are arranged in the post, the tire tube valve nut is arranged at the core print seat bottom, between core body and the core print seat diaphragm is arranged, and shell is spun on the core print seat.During use, this valve cap is spun on the tire valve, the tire internal gas pressure just often, circuit is not worked, when air pressure reduces, the reed switch pressurized, energized, circuit working sends wireless signal, after being received by radio receiver, reminds the driver to note.Also having a kind of publication number is the disclosed vehicle tire leakage alarm of CN2311382, and air-flow sounding post, the whistle is in the head of whistle body, and there is an inner chamber at body rear portion, the whistle, and the whistle air chamber at the air-flow sounding whistle has an exhaust duct to be communicated with inner chamber.Balance spring and the rubber plunger that has air passage, the valve inside summit that the dividing plate mid point at its rear portion is provided with are installed in the inner chamber.Its principle of work is the normal operation air pressure that utilizes in the tire, by plunger, compression balance spring, closes exhaust duct.When the tire internal gas pressure dropped to certain value, balance spring was pushed plunger open, and air pours the birdie chamber through air passage, exhaust duct in the tire, sends the effect that birdie reaches warning.Also have is exactly because tire is a consumable accessory.For avoiding in transit spare tyre all being housed usually on the automobile, so that change at any time because of tire generation breakage influences work.And the spare tyre in the autotruck is suspended on the special spare tyre of rear portion of car body and falls on the chain normally with the iron chains binding.In real life, the stolen incident of spare tyre takes place repeatedly, particularly more general in certain areas.And owing to spare tyre all is mounted on the spare tyre falled chain frame, the driver can't see directly that if there is the people to steal tire, the driver but can't find and prevent immediately, the situation that causes spare tyre to be stolen under the situation that the driver does not know completely takes place, and drivers are dark in for this reason having a headache.In order to solve the theft-proof problem of spare tyre, someone is dress lock between spare tyre and spare tyre falled chain frame just, but do like this, promptly can be blocked by mud and unload spare tyre to the driver and make troubles, do not have the warning effect when destroyed and cause spare tyre to lose because of locking again because of keyhole.Also some driver just is equipped with an annunciator touch switch between tire and spare tyre falled chain frame, and annunciator is placed in the operator's compartment, is connected by lead between annunciator touch switch and the annunciator.In case the warning touch switch was just closed when tire broke away from the spare tyre falled chain frame in extraordinary circumstances, annunciator sends chimes of doom and reminds the driver.Though such method is simple and practical,, cause annunciator malfunctioning because lead is cut off by the people easily.Though above-mentioned vehicle tire leakage alarm device has advantage separately, also exists various shortcoming, be CN2538577Y disclosed " a kind of tyre leakage autoalarm " structure more complicated as publication number, install very inconvenient; Be the disclosed vehicle tire leakage alarm device of CN2311382 as publication number also, it is faster that the air pressure during warning in the tire descends, and can cause the driver mishandling, particularly in the process of running at high speed, and easier generation traffic accident.And the chimes of doom of this vehicle tire leakage alarm device can because the vehicle ' process in noise be covered, the driver does not hear.Also have above-mentioned vehicle tire leakage alarm device can not when air pressure of automobile tire is too high, send chimes of doom, can not prevent, drive to bring hidden danger to safety to the phenomenon of blowing out.
Summary of the invention
Goal of the invention of the present utility model provides the antitheft and gas leakage of a kind of motor tire, superpressure annunciator, to solve many weak points that existing vehicle tire leakage alarm device and spare tyre burglar alarm exist.
In order to realize the foregoing invention purpose, the technical scheme that the utility model adopted is: the antitheft and gas leakage of motor tire, superpressure annunciator, comprise and be installed in the baroswitch on the tire tube valve and be installed in anti-theft switch between spare tyre falled chain frame and the spare tyre steel ring and the wireless launcher that is electrically connected with each baroswitch and anti-theft switch, also comprise being installed in and carry out the wireless receivers of coding wireless telecommunications with wireless launcher in the operator's compartment, wireless receiver is provided with the output of at least one road, is used to connect an audio alarm.
The utility model also comprises a switching projector and a hand-held annunciator, and the switching projector connects another road output of wireless receiver, realizes wireless telecommunications between switching projector and the hand-held annunciator.
Described baroswitch is provided with low pressure and two alarm set points of superpressure.
Described anti-theft switch can be travel switch or micro-switch.
Each wireless launcher can be made integral body with baroswitch and anti-theft switch, also can be arranged separately on the tire screw of brake drum and on the spare tyre falled chain frame.
At least include an encode circuit in each wireless launcher.
At least include a decoding circuit in the wireless receiver.
Owing to adopted design plan as above, the utility model can air pressure deficiency or air pressure occur when too high at each tire, disconnection by baroswitch, the wireless launcher that drives separately sends a code signal to the wireless receiver in the operator's compartment, wireless receiver is through each self-corresponding indicator lamp flicker of decoding rear drive, audio alarm pipes simultaneously, reminds that tire flat of driver or air pressure too high, allows the driver stop and disposes.Perhaps when the people steals spare tyre, when in case spare tyre breaks away from falled chain frame, anti-theft switch is just closed, drive wireless launcher and send a code signal to the wireless receiver in the operator's compartment, wireless receiver is through its cooresponding indicator lamp flicker of decoding rear drive, audio alarm pipes simultaneously, reminds the driver to note having the people stealing spare tyre.Connect a conversion transmitter in the output of another road of wireless receiver, it mainly is after the driver leaves operator's compartment, also can to the air pressure of tire and spare tyre is antitheft monitors.It is quick to the utlity model has reaction, and advantage easy for installation simple in structure can to the gas leakage of tire and air pressure be too high and the antitheft situation of spare tyre is monitored in real time, guarantees traffic safety.
Description of drawings
Fig. 1 is a block scheme of the present utility model;
Fig. 2 is the structural representation of baroswitch described in the utility model and wireless launcher one;
Fig. 3 is that anti-theft switch described in the utility model and wireless launcher are installed in the scheme drawing on the spare tyre falled chain frame during for one;
Fig. 4 is that anti-theft switch described in the utility model and wireless launcher are installed in the scheme drawing on the spare tyre falled chain frame during for split;
Fig. 5 is the electrical schematic diagram of wireless launcher described in the utility model;
Fig. 6 is the electrical schematic diagram of wireless receiver described in the utility model;
Fig. 7 is the electrical schematic diagram of conversion transmitter described in the utility model;
Fig. 8 is the electrical schematic diagram of hand-held annunciator described in the utility model.
The specific embodiment
As Fig. 1 and Fig. 3, motor tire shown in Figure 4 is antitheft and gas leakage, superpressure annunciator, comprise the baroswitch 1 that is installed on the tire tube valve and be installed in anti-theft switch 4 between spare tyre falled chain frame 2 and the spare tyre steel ring 3 and the wireless launcher 5 that is electrically connected with each baroswitch 1 and anti-theft switch 4, also comprise being installed in and carry out the wireless receivers 6 of wireless telecommunications with wireless launcher 5 in the operator's compartment 6, wireless receiver 6 is provided with two-way output, one the tunnel connects an audio alarm 7, and another road connects a switching projector 8.Realize wireless telecommunications between switching projector 8 and the hand-held annunciator 9.
As shown in Figure 2, baroswitch 1 comprises switch seat 11 and following switch seat 12, is provided with the internal thread 121 that joins with the outer silk of tire tube valve in the lower end of following switch seat 12, and seal ring 122 is housed in the internal thread 121, outside the lower end of following switch seat 12 flat side 123 is arranged; Dock with the lower end of last switch seat 11 upper end of following switch seat 12, joint between the two is a cavity 13, center in following switch seat 12 has one with the tire tube valve thimble mounting hole 124 of cavity 13 with internal thread 121 perforations, and tire tube valve thimble mounting hole 124 internal fixation have valve thimble 14; Pore 141 is arranged in the valve thimble 14, and there is the groove 142 that connects with pore 141 lower end.The bottom in cavity 13 has a seal ring 6, is covered with dielectric film sheet 15 on the seal ring 6, and the flexible diaphragm 16 in insulation diaphragm 15 upper berths has diaphragm seat 17 on the elastic memberance 16; There is a boss 171 and to cross the push-rod hole 172 at boss 171 centers at the center on diaphragm seat 17 tops; On diaphragm seat 17, be covered with several elasticity and adjust diaphragm 18; Be fixed with two pins 111 and 112 in last switch seat 11, switch seat 11 is stretched out in pin 111 and 112 upper ends, and the lower end extend in the cavity 13 and is spaced from each other; Respectively be provided with an elastic contact blade 113 spaced apart from each other and 114 in the lower end of pin 111 and 112; On elastic contact blade 113 and 114, be equipped with a contact; Wherein elastic contact blade 113 is last, and elastic contact blade 114 is contacting down and with the boss 171 at diaphragm seat 17 centers; One push rod 19 is housed in the push-rod hole 171 at diaphragm seat 17 centers, and the lower end of push rod 19 contacts with elastic memberance 16, and the upper end is passed several elasticity adjustment diaphragms 18 and contacted with elastic contact blade 113 with elastic contact blade 114 backs.
After being spun on the following switch seat 12 of baroswitch 1 on the tire tube valve, the lower end unseat the valve core of valve thimble 14, gas is entered in the cavity 13 of baroswitch 1 air pressure in the tires just often by the pore 141 of valve thimble 14, Pneumatic pipe cleaner is crossed insulation diaphragm 15 and elastic memberance 16, behind the deformation transition resistance that overcomes elastic memberance 16 and several elasticity adjustment diaphragm 18, move on the jack-up diaphragm seat 17.On boss 171 jack-up elastic contact blade 114 again on the diaphragm seat 17 that moves, the contact on the elastic contact blade 114 is contacted with contact on the elastic contact blade 113, baroswitch 1 closure, wireless launcher 5 does not transmit.
When tire pressure descends, to adjust under diaphragm 18 effects at elastic memberance 16 and several elasticity, diaphragm seat 17 moves down, elastic contact blade 114 resets, contact on contact on it and the elastic contact blade 113 breaks away from, and baroswitch 1 disconnects, wireless launcher 5 warning that transmits.If someone unloads being connected when loosening between baroswitch 1 or baroswitch 1 and the tire tube valve, air pressure reduces, and baroswitch 1 disconnects equally, wireless launcher 5 warning that transmits.If someone cuts off the connection line between baroswitch 1 and the wireless launcher 5, wireless launcher 5 warning that transmits equally.
When tire pressure surpassed predetermined air pressure, elastic memberance 16 continued to take place deformation, jack-up push rod 19.Backed down elasticity by the upper end of jack-up push rod 19 and touch 113, contact on contact on the elastic contact blade 113 and the elastic contact blade 113 breaks away from, and baroswitch 1 disconnects, wireless launcher 5 warning that transmits.
As shown in Figure 2, baroswitch 1 and wireless launcher 5 adopt the structure design of one, and wireless launcher 5 adopts the form of encapsulation to be installed in the sleeve 51, adopts gluing form to be connected as a single entity between sleeve 51 and the baroswitch 1.
As shown in Figure 3, wireless launcher 5 and anti-theft switch 4 are installed in the box body 53, constitute an integral body, box body 53 is installed on the spare tyre falled chain frame 2, anti-theft switch 4 can be travel switch or micro-switch, and its switch contact 41 is between spare tyre falled chain frame 2 and spare tyre steel ring 3 and touch spare tyre steel ring 3.
As shown in Figure 4, wireless launcher 5 and anti-theft switch 4 are split-type structural, both are installed in respectively on the spare tyre falled chain frame 2, and anti-theft switch 4 can be travel switch or micro-switch, and its switch contact 41 is between spare tyre falled chain frame 2 and spare tyre steel ring 3 and touch spare tyre steel ring 3.
As shown in Figure 5, wireless launcher 5 comprises shell and power supply and circuit card, is furnished with circuit on the circuit card, and the circuit of wireless launcher 5 comprises trigger circuit, encode circuit, transmission circuit composition, and trigger circuit comprise a d type flip flop, and model is 4013; Encode circuit comprises a coder, and model is PT2260; Transmission circuit is a transmitter module, and model is CDTX001; 3 pin that go out the termination d type flip flop of baroswitch 1, another goes out 6,7,8,9,10,11 pin ground connection of end and d type flip flop, the capacitor C of connecting between 3 pin of d type flip flop and ground connection
1, also with 14 pin between the resistance R of connecting
1, 14 pin connect+the 12V power supply; Resistance R
21 pin of one termination d type flip flop, 4 pin of another termination d type flip flop; 4 pin of d type flip flop are also by a capacitor C
2Ground connection, 1 pin of d type flip flop connects 16 pin and different numeric data code input pins and different address code input pins of coder for triggering output; 2,12,13 pin of d type flip flop are empty pin.9 pin ground connection of coder, resistance R
316 pin of one termination coder, 14 pin of another termination coder, coder 1 to 8 pin is the address code input pin, and 10,11,12,13 pin are the numeric data code input pin, and 15 pin are penetrated 2 pin of module for the output sending and receiving, and 1 pin of transmitter module connects+the 12V power supply, 3 pin ground connection.
When baroswitch 1 closure, trigger circuit do not trigger.And baroswitch 1 is when disconnecting, and trigger circuit trigger, and wireless launcher 5 transmits.
As shown in Figure 6, wireless receiver 6 comprises a box body and is installed in the interior circuit card of box body, has several hole of light emitting diode and source switch and audio output jack, switching projector jack on the box body 61.On circuit card, be provided with power circuit, acceptor circuit and driving circuit; Power circuit comprises a three terminal regulator 7815, diode DZ
1And DZ
2, capacitor C
3, the power input of three terminal regulator 7815 connects the storage battery on the automobile, voltage stabilizing end ground connection, and mouth is divided into two, and one connects audio output jack, and another meets diode DZ
1Positive pole, diode DZ
1Negative pole meet diode DZ
2Positive pole, diode DZ
2Positive pole connect capacitor C
3An end and 1 pin in the receiver module and 24 pin in the decoder, capacitor C
3Other end ground connection; Output 1,2,3,4 pin in the receiver module connect 23 in the decoder, 22,21,20 pin, and 23 in the decoder, 22,21,20 pin meet diode D more respectively
1, D
2, D
3, D
4Positive pole, diode D
1, D
2, D
3, D
4The negative pole parallel connection after common port be divided into two, a connecting resistance R
4An end, another switches through projector jack A.Resistance R
4The base stage of another termination aerotron Q1, the collecting electrode of aerotron Q1 connects audio output jack 65.Grounded emitter.6 pin ground connection in the receiver module.
Receiver module is the receiver module of band demoder, and model is CDRXOO6.
Driving circuit comprises a decoder, the model 74HC154 of decoder.In the decoder 12,18,19 pin ground connection, 1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17 pin are for driving pin, it is provided with connection by a light-emitting diode D and some the luminous branch roads of reporting to the police that resistance R constitutes according to the quantity of monitoring tyres respectively, and every the luminous branch road of reporting to the police is corresponding to a baroswitch 1.One end of the resistance R of several luminous branch roads of reporting to the police links to each other with a pin in 1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17 pin respectively, meets diode DZ after the anodal parallel connection of the light-emitting diode D of several luminous branch roads of reporting to the police
2Positive pole and capacitor C
3One end bonded assembly common port.
The plug of audio alarm 7 is plugged in the audio output jack.
When different tires air pressure deficiency or air pressure occur when higher, its cooresponding light-emitting diode can glimmer, and audio alarm 7 can send chimes of doom simultaneously, reminds the driver to dispose.
When spare tyre was stolen, its audio alarm 7 sent chimes of doom, reminded the driver to note.
As shown in Figure 7, switching projector 8 comprises housing, input plug A and the interior circuit card of housing is installed.Circuit card is provided with the switching emission circuit, and the switching emission circuit comprises base integrated package and CDTX013 transmitter module, resistance R at 555 o'clock
6A termination input plug A, another termination aerotron Q
2Base stage, aerotron Q
2Collecting electrode connect 555 o'clock the base integrated package trigger end 2 pin, grounded emitter.555 o'clock base integrated packages control end 3 pin connect control end 2 pin of CDTX013 transmitter module, 3 pin ground connection of CDTX013 transmitter module, 1 pin of CDTX013 transmitter module connects+the 12V power supply; 1 pin ground connection of 555 o'clock base integrated packages, 4 pin and 8 pin connect+the 12V power supply, capacitor C
4One termination+12V power supply, the other end and 6 pin that connect 555 o'clock base integrated packages after an end of resistance R 5 is in parallel, resistance R
5Other end ground connection.7 and 5 pin of 555 o'clock base integrated packages are empty pin.
As shown in Figure 8, hand-held annunciator 9 comprises housing and is installed in the interior circuit card of housing that be furnished with the reception warning circuit on the circuit card, the anode that receives the chargeable battery E in the warning circuit is by a K switch
1Meet diode D
6Positive pole, diode D
6Negative pole and diode DZ
3Negative pole, capacitor C
5An end parallel connection after meet 3 pin and the light-emitting diode D of receiver module CDRX005
7Positive pole, light-emitting diode D
7Negative pole connect 4 pin of music IC.1 pin of receiver module CDRX005 meets diode D
8Positive pole, diode D
8Negative pole connect capacitor C
6, resistance R
8An end, resistance R
8Another termination aerotron Q
3Base stage, aerotron Q
3Collecting electrode connect 1 pin of music IC.Between 2 pin of music IC and 3 pin, connect loudspeaker.Diode DZ
3Positive pole, capacitor C
32 pin, the capacitor C of other end receiver module CDRX005
6The other end, aerotron Q
3Emitter and the negative terminal that meets chargeable battery E after 1 pin of music IC is in parallel.
Be parallel with by charging socket, charging resistance R charging light-emitting diode D at the two ends of chargeable battery E
5The charging paths that constitutes.
Claims (10)
1, the antitheft and gas leakage of motor tire, superpressure annunciator, its feature comprises baroswitch that is installed on the tire tube valve and the wireless launcher that is installed in the anti-theft switch on the spare tyre falled chain frame and is electrically connected with each baroswitch and anti-theft switch, also comprise being installed in and carry out the wireless receivers of coding wireless telecommunications with wireless launcher in the operator's compartment, wireless receiver is provided with the output of at least one road, is used to connect an audio alarm.
2, the antitheft and gas leakage of motor tire according to claim 1, superpressure annunciator, its feature comprises that also one transmits a projector and a hand-held annunciator, the switching projector connects another road output of wireless receiver, realizes wireless telecommunications between switching projector and the hand-held annunciator.
3, the antitheft and gas leakage of motor tire according to claim 1 and 2, superpressure annunciator, the described anti-theft switch of its feature is provided with low pressure and two alarm set points of superpressure.
4, the antitheft and gas leakage of motor tire according to claim 1 and 2, superpressure annunciator, the described anti-theft switch of its feature can be travel switch or micro-switch.
5, the antitheft and gas leakage of motor tire according to claim 1 and 2, superpressure annunciator, each wireless launcher of its feature can be made integral body with baroswitch and anti-theft switch.
6, the antitheft and gas leakage of motor tire according to claim 1 and 2, superpressure annunciator, each wireless launcher of its feature are arranged separately on the tire screw of brake drum and on the spare tyre falled chain frame.
7, the antitheft and gas leakage of motor tire according to claim 1 and 2, superpressure annunciator include an encode circuit at least in each wireless launcher of its feature.
8, the antitheft and gas leakage of motor tire according to claim 1 and 2, superpressure annunciator include a decoding circuit at least in each wireless receiver of its feature.
9, the antitheft and gas leakage of motor tire according to claim 1 and 2, superpressure annunciator, the described baroswitch of its feature comprise switch seat and following switch seat, are provided with in the lower end of following switch seat and outer internal thread that joins of tire tube valve; Dock with the lower end of last switch seat the upper end of following switch seat, and joint between the two is a cavity, and there is a tire tube valve thimble mounting hole with cavity and internal thread perforation at the center in following switch seat, and tire tube valve thimble mounting hole internal fixation has the valve thimble; In the valve thimble pore is arranged, there is the groove that connects with pore the lower end; The bottom in cavity is covered with elastic memberance, and the diaphragm seat is arranged on the elastic memberance; There is a boss and to cross the push-rod hole at boss center at the center on diaphragm seat top; On the diaphragm seat, be covered with a plurality of elasticity and adjust diaphragm; Be fixed with two pins in last switch seat, switch seat is stretched out in the upper end of two pins, and the lower end extend in the described cavity and is spaced from each other; Respectively be provided with an elastic contact blade spaced apart from each other in the lower end of two pins; Be equipped with a contact on two elastic contact blades, one of them elastic contact blade is last; Another elastic contact blade is in the boss contact of descending and have diaphragm seat center; One push rod is housed in the push-rod hole at diaphragm seat center, and the lower end of push rod contacts with described elastic memberance, the upper end pass a plurality of elasticity adjust diaphragms with under that elastic contact blade after with contact at that last elastic contact blade.
10, the antitheft and gas leakage of motor tire according to claim 3, superpressure annunciator, the described baroswitch of its feature comprise switch seat and following switch seat, are provided with in the lower end of following switch seat and outer internal thread that joins of tire tube valve; Dock with the lower end of last switch seat the upper end of following switch seat, and joint between the two is a cavity, and there is a tire tube valve thimble mounting hole with cavity and internal thread perforation at the center in following switch seat, and tire tube valve thimble mounting hole internal fixation has the valve thimble; In the valve thimble pore is arranged, there is the groove that connects with pore the lower end; The bottom in cavity is covered with elastic memberance, and the diaphragm seat is arranged on the elastic memberance; There is a boss and to cross the push-rod hole at boss center at the center on diaphragm seat top; On the diaphragm seat, be covered with a plurality of elasticity and adjust diaphragm; Be fixed with two pins in last switch seat, switch seat is stretched out in the upper end of two pins, and the lower end extend in the described cavity and is spaced from each other; Respectively be provided with an elastic contact blade spaced apart from each other in the lower end of two pins; Be equipped with a contact on two elastic contact blades, one of them elastic contact blade is last; Another elastic contact blade is in the boss contact of descending and have diaphragm seat center; One push rod is housed in the push-rod hole at diaphragm seat center, and the lower end of push rod contacts with described elastic memberance, the upper end pass a plurality of elasticity adjust diaphragms with under that elastic contact blade after with contact at that last elastic contact blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200497148U CN2897692Y (en) | 2005-04-06 | 2005-04-06 | Safety leakage and overpressure alarming device of tyre for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200497148U CN2897692Y (en) | 2005-04-06 | 2005-04-06 | Safety leakage and overpressure alarming device of tyre for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2897692Y true CN2897692Y (en) | 2007-05-09 |
Family
ID=38073030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200497148U Expired - Fee Related CN2897692Y (en) | 2005-04-06 | 2005-04-06 | Safety leakage and overpressure alarming device of tyre for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2897692Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954898A (en) * | 2010-09-13 | 2011-01-26 | 庞磊 | Vehicle spare wheel wireless burglar alarm |
| CN102039788A (en) * | 2010-12-07 | 2011-05-04 | 张国良 | Radio transmitter and radio receiver for automatically detecting gas leakage of tire |
| CN101638084B (en) * | 2008-07-30 | 2011-08-31 | 中国科学院自动化研究所 | Vehicle anti-theft method and vehicle anti-theft system |
| CN106624760A (en) * | 2016-12-31 | 2017-05-10 | 马鞍山市三江机械有限公司 | Overtravel alarming and resetting stretcher and stretching method thereof |
| CN106736481A (en) * | 2016-12-31 | 2017-05-31 | 马鞍山市三江机械有限公司 | A kind of stretcher and its stretching and installation method |
-
2005
- 2005-04-06 CN CNU2005200497148U patent/CN2897692Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638084B (en) * | 2008-07-30 | 2011-08-31 | 中国科学院自动化研究所 | Vehicle anti-theft method and vehicle anti-theft system |
| CN101954898A (en) * | 2010-09-13 | 2011-01-26 | 庞磊 | Vehicle spare wheel wireless burglar alarm |
| CN101954898B (en) * | 2010-09-13 | 2013-01-02 | 庞磊 | Vehicle spare wheel wireless burglar alarm |
| CN102039788A (en) * | 2010-12-07 | 2011-05-04 | 张国良 | Radio transmitter and radio receiver for automatically detecting gas leakage of tire |
| CN106624760A (en) * | 2016-12-31 | 2017-05-10 | 马鞍山市三江机械有限公司 | Overtravel alarming and resetting stretcher and stretching method thereof |
| CN106736481A (en) * | 2016-12-31 | 2017-05-31 | 马鞍山市三江机械有限公司 | A kind of stretcher and its stretching and installation method |
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