CN2183284Y

CN2183284Y - Automatic alarm for deformation of tyre

Info

Publication number: CN2183284Y
Application number: CN 94200466
Authority: CN
Inventors: 付志华; 梁生山
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-13
Filing date: 1994-01-13
Publication date: 1994-11-23
Anticipated expiration: 2004-01-13

Abstract

The utility model provides an automatic alarm for the deformation of tyres, which is characterized in that a collision device is fixed on an inner ring of a tyre steel plate; a shell body of the collision device is provided with three cavities, wherein, a collision rod which is sheathed with a spring in support is movably inserted in a middle cavity, and an ejecting disc and a piston are respectively arranged in other two cavities; the ejecting disc and an outward extended ejecting rod of the piston are respectively abutted on both ends of a control block; the control block is fixed to a flat shape hinge pin; the hinge pin and a slot on the collision rod are movably assembled in insertion, and the hinge pin is locked and inserted at the bottom of a groove of the shell body; a contact which is movably installed and arranged in a shell body of a contactor interacts on an outward convex collision head. When the tyre is under the state of deformation, the air pressure of the inner part acts on the piston side of the cavities of the shell body of the collision device through a connection tube; when the air pressure is less than the spring pressure of the shaft side of the ejecting disc in the other cavity, the control block rotates, the collision head pops up and presses the contact down, an insertion rod connected with the contact is closely inserted with an insertion hole, and the circuit is conducted and sends out alarm signals.

Description

Automatic alarm for deformation of tyre

The utility model relates to a kind of vapour-pressure type warning device, particularly a kind of tire deflation autoalarm.

At present, the tire of overwhelming majority power actuated vehicle and trailer part thereof still adopts inflatable structure, and the deficency of tire, prick the tire problem and be often to take place and be inevitable, it not only influences moving velocity, and often cause car to decrease, hurt sb.'s feelings and scratch the road surface, the normal operation of vehicle is caused bigger influence.And the tire of self-propelled vehicle itself is as the flat phenomenon of deficency or tire occurring, also can find the sensation and the motoring condition sensation of car body by the driver, and part is with the tire of the transport vehicle of trailer deficency whether, whether found by flat then being difficult to of bundle tire, so still continue to travel after deficency or tire are flat, therefore, often cause tire to scrap and draw and smash the road surface, the steel ring that causes because of tire is flat flies out and hurts sb.'s feelings, hindering the formal matter part also happens occasionally, when treating that the driver realizes, usually rolled away from far awayly, smash the present traffic management system in road surface for drawing of express highway and high-grade highway and then to adopt high penalty provisions, this has increased responsibility and burden with car unit-economy burden and driver undoubtedly again.Be that the personnel that drive of department comparatively have a headache and problem that at present also can't fine solution, especially transport power that causes because of damaged tyres and the economic loss that causes because of maintenance time are very big.

The purpose of this utility model just is to overcome the above-mentioned shortcoming and defect of existing in prior technology, and a kind of tire deflation autoalarm that is installed on the wheel and is communicated with and can sends alarm signal with the tire pneumatic tyre under the deficency situation is provided.

The purpose of this utility model is to realize by following technical scheme.

In the tire steel plate, be fixed with impinger on the ring, be provided with three vestibules in the impinger housing, in the vestibule of middle part movable insert one with the be nested butting rod of support of spring, in two vestibules pushing top disk and a piston are housed respectively in addition, the outer spy ejector pin of pushing top disk and piston is inconsistent with the controll block two ends respectively, controll block is fixed on the flat-shaped swivel pin, swivel pin is inserted in the housing groove bottom with mutually movable plug-in mounting of the chute on the butting rod and lock, with the butting rod evagination answer back to the head mutually the effect be that activity is housed in the contact in the contactless switch housing, when tire deflation, tire internal air pressure acts on piston one side of the vestibule of impinger housing by adapter, when pressure less than another vestibule in during pushing top disk axle side spring pressure, controll block is rotated, answering back to head ejects and contact is depressed, the inserted link and the jack that link to each other with contact plug together, and circuit turn-on also sends alarm signal.

Therefore: remarkable result of the present utility model is:

1, because the impinger vestibule is direct and tire inner tube is conducted and equipressure, therefore, the pressure of the inner tube of a tyre can act on the piston timely and accurately, ejector pin is ejected and make controll block rotate and make to answer back to head and act on mutually with contact, this mechanical action makes circuit turn-on and signal is delivered in the operator's compartment from trailer tire.Carry out tonifying Qi or change tire so that the driver is stopped, avoided the insecurity and the economic loss of travelling and causing because of tire is flat.

2, because it is contained in the latent dark place of tire and rotates synchronously with wheel, and during deficency, it is not failure to actuate tire, can not influence wheel after the action yet, thus fool proof reliably.

3, simple in structure, easy for installation.Do not destroy wheel strength and existing structure.

4, volume is little, and cost is low.

5, can connect light or combined aural and visual alarm outward by actual needs.

6, default alarm pressure scalable.

Concrete structure of the present utility model is realized by the following examples and accompanying drawing thereof.

Fig. 1 is installation site figure of the present utility model.

Fig. 2 is the section of structure of impinger in the utility model.

Fig. 3 is that the A of Fig. 2 is to view.

Fig. 4 is the A-A section-drawing of Fig. 2.

Fig. 5 is the B-B section-drawing of Fig. 2.

Fig. 6 is the section of structure of contactless switch in the utility model.

Fig. 7 is the C-C section-drawing of Fig. 6.

Below in conjunction with accompanying drawing 1-7 concrete structure of the present utility model is described in detail.

Interior all sides at tire steel plate 6 are fixed with an impinger 1, with the waterproof board of the mill pot 7 of butting rod 15 corresponding positions of impinger 1 on be fixed with a contactless switch 2 that acts on mutually with butting rod 15, in the housing 11 of impinger 1, offer three vestibules 111, movable sleeve is inserted with a butting rod 15 that spring 12 is housed in middle part vestibule 111, activity is worn and is placed with swivel pin 17 in the chute 151 of butting rod 15, swivel pin 17 epimeres are installed with a controll block 16, two ends one side of controll block 16 respectively with other two vestibules 111 in piston 13 outer spy push rod 131 and to take over a business 132 outer spys section inconsistent, be communicated with a joint 14 in 111 sides of vestibule with piston 13 suits, joint 14 by extension tube attached 3 and tire valve 4 insert twist and with the isobaric conducting of tire air bag, orienting sleeve 115 movable sets that the shrinking section 152 of butting rod 15 and housing extend and evagination answer back to 153, be embedded with in the groove 211 of the uncovered housing 21 of contactless switch 2 insulating barrier 26 and cover be placed with one with answer back to 153 contacts 22 that act on mutually, contact 22 inboards be connected with one with insulating barrier 26 in the conduction plate 23 that plugs together mutually of slot 261, in slot 261, be provided with two disjunct conductive contact blades 27.Referring to Fig. 1, Fig. 2, Fig. 6

Architectural feature of the present utility model also is:

Three vestibules 111 of the major part section of impinger housing 11 are at interval and the parallel axes shape is arranged, twist in the aperture of two vestibules 111 therein and be placed with pressure regulating screw 19, butting rod 15 is the cuboid of flats, to be one side flat with the profile of the housing 11 of its movable set, the tabular microscler plate body of the bow of an arc, housing 21 1 ends of contactless switch 2 are uncovered shape and the rectangular recess 211 of an indent are arranged, contact 22 is bow shape plates 221,221 inside are hollow form, be connected with a metallic conduction plate 23 in contact 22 middle inside, two conductive contact blades 27 in the slot 261 are equipped with the section of drawing 271, draw outward on the section of drawing 271 to be connected to the lead 5 that links to each other with operator's compartment or trailer afterbody Warning light and power supply.Contact 22 inboard floating supports have the V-arrangement spring 24 of two symmetries.Referring to Fig. 2, Fig. 5, Fig. 7

Contact 22 is to be made of the arcuation plate 221 in the outside and base plate 222, be provided with recessed location pit 2221 in base plate 222 bottoms, and V-arrangement spring 24 tops are free end and shore mutually with

base plate

222,24 lower end embeddings are clipped in the insulating barrier 26, in insulating barrier 26, offer the lock pin jack 265 that spring 263 and lock pin 262 are housed in, lock pin jack 265 is perpendicular corresponding with conduction plate 23, offer and lock pin 262 draw-in groove 231 of plug-in card or disengagement mutually in conduction plate 23 1 sides, contactless switch housing 21 is connected on the stay bearing plate 28 by screw 25, in groove 211, stay bearing plate 28 fixes with the waterproof board of mill pot 7 insulating barrier 26 by dowel bolt 264 lockings.Referring to Fig. 6 and Fig. 7

The rod that is along its length of housing 11 is hammered shape into shape, one side of housing 11 is the arc surfaced 116 that matches with tire steel plate 6 interior all side cambered surfaces, in housing 11 major part sections, be provided with three separately and the vestibule 111 of parallel distribution, in last vestibule 111, be movably installed with spring 12, shaft end side activity storing at spring 12 has 132, take over a business and be outer stretched mode after the perforation 114 of vestibule 111 is passed in 132 ejector pin 1321 activities, butting rod 15 and middle part vestibule 111 movable sleeves, being with an end on the minor diameter guide section 154 of butting rod is and freely visits the spring 12 of stretching shape, be screwed a pressure regulating screw 19 at the interior place, aperture that is with two vestibules 111 of spring 12, in another vestibule 111, be movably installed with a piston 13, one end of piston 13 be connected with one from vestibule jack 114, pass and with the inconsistent piston rod 131 of most advanced and sophisticated 161 1 sides of crescent controll block 16, twist and be connected with a joint 14 at the place, aperture of vestibule 111, the other end of joint 14 is connected with one and twist connects mutually with valve nozzle 4 and to depress and the external hose 3 of isobaric conducting, the two ends of housing 11 all do not have the terminal pad 18 of evagination, what be that one extends with housing 11 major part sections is an orienting sleeve 115, the movable extension shrinking section 152 that inserts butting rod 15 in the rectangle endoporus 1151 of orienting sleeve 115, the outer spy Duan Youyi spherical crown shape of shrinking section 152 answer back to 153, be arranged in and have the logical microscler chute 151 that slits up and down on the rectangular top lance 15 of the corresponding section of groove 113, offer outer recessed engaging breach 1511 on the two respective side cell walls of chute 151 middle parts, one end of swivel pin 17 be cylinder rotational segment 172 and with the movable plug-in mounting of groove 113 diapire jacks, the flat part 171 and the chute 151 movable plug-in mountings of swivel pin 17, on flat part 171 cover intrinsic with outside concane gap 1511 snap-latch piece 173 that fastens or throw off, the controll block 16 of the intrinsic crescent of cover on the top flat part 171 of snap-latch piece 173, cover plate 112 hides crescent control desk 16 in the rectangular recess 113 of housing.Referring to Fig. 2 to Fig. 5

Principle of work of the present utility model is as follows:

As the preset pressure 6kg/cm of the pressure in the tire less than the spring of taking over a business 132 rear portions 12 in the vestibule 111 ²The time, then the back pressure of the piston 13 in the vestibule 111 is less than or equal to take over a business 132 back pressure, taking over a business 132 is ejected and makes controll block 16 to rotate certain radian, swivel pin 17 also turns an angle thereupon and makes existing its bonded assembly snap-latch piece 173 break away from the engaging that engages breach 1511 with chute 151, at this moment, butting rod 15 answer back to 153 At time of eject, then contact and contact 22 is depressed with the contact 22 of the contactless switch of corresponding section, 23 of conduction plates on the contact 22 are pressed in the slot 261, make two conductive contact blades 27 conductings separately owing to the insertion of plate 23, at this moment, circuit is switched on, light in the operator's compartment or sound and light alarm lamp are luminous or send sound, remind driver's tire deficency, can put on the air the automobile stop roadside then or change tire.External hose 3 should be unloaded from tire tube valve 4 before changing tire or inflation.

If install light or letter signal at the trailer rear portion, the reflection of tire deflation signal is indicated, car deficency is noted in the driving of prompting back, needs to stop to improve safety.

Because of answer back to 153 and the face of contacting of contact 22 be cambered surface, so the contact friction position is less, neither parts can be scratched, can not influence cruising yet.

When contact 22 was depressed, V-arrangement spring 24 was compressed, and lock pin 262 then inserts in the locked groove 231 under spring 263 effect, made the contact 22 can not return.Referring to Fig. 6 and Fig. 7

After the parking tonifying Qi or having changed tire, the outside shifting block 2621 of lock pin 262 outwards can be smoked, contact 22 can eject under 24 effects of V-arrangement spring.Referring to Fig. 6 and Fig. 7

And inflation of tire or change the outfit after, again extension tube attached 3 is connected, promptly the contact of an end and valve nozzle 4 leans and tightens, the other end then keeps being communicated with joint 14, at this moment, air pressure in the tire is reflected on the controll block 16 by the piston in the vestibule 111 13 again, because this moment, piston 13 back pressures were greater than the back pressure of taking over a business 132, therefore, controll block 16 is by inverse time push-jump time original position, and simultaneously inwardly pushing contact 153, make butting rod 15 return vertically, and snap-latch piece corresponding engaging breach 1511 lucky and the back chute of sliding 151 173 this moments fastens, so butting rod 15 can't eject, can recover cruising again.

Pressure can be regulated by taking over a business 132 back springs 12, is generally 6kg/cm ², promptly less than the normal interior pressure 8kg/cm that presses of tire ²Requirement.

Claims

1, the tire deflation autoalarm, it is characterized in that: the interior all sides at tire steel plate (6) are fixed with an impinger (1), with the waterproof board of the mill pot (7) of butting rod (15) corresponding position of impinger (1) on be fixed with a contactless switch (2) that acts on mutually with butting rod (15), in the housing (11) of impinger (1), offer three vestibules (111), movable sleeve is inserted with one the butting rod (15) of spring (12) is housed in middle part vestibule (111), the interior activity of chute (151) of butting rod (15) is worn and is placed with swivel pin (17), swivel pin (17) epimere is installed with a controll block (16), two ends one side of controll block (16) respectively with other two vestibules (111) in piston (13) outer spy push rod (131) and to take over a business the outer spy section of (132) inconsistent, be communicated with a joint (14) in vestibule (111) axle side with piston (13) suit, joint (14) by extension tube attached (3) and tire valve (4) insert twist and with the isobaric conducting of tire air bag, the shrinking section (152) of butting rod (15) is answered back to head (153) with orienting sleeve (115) movable set and evagination that housing extends, be embedded with in the groove (211) of the uncovered housing (21) of contactless switch (2) insulating barrier (26) and cover be placed with one with answer back to the contact (22) that head (153) acts on mutually, contact (22) inboard be connected with one with insulating barrier (26) in the conduction plate (23) that plugs together mutually of slot (261), in slot (261), be provided with two disjunct conductive contact blades (27).

2, according to the described tire deflation autoalarm of claim 1, it is characterized in that: three vestibules (111) of the major part section of impinger housing (11) are at interval and the parallel axes shape is arranged, twist in the aperture of two vestibules (111) therein and be placed with pressure regulating screw (19), butting rod (15) is the cuboid of flats, to be one side flat with the profile of the housing (11) of its movable set, the tabular microscler plate body of the bow of an arc, housing (21) one ends of contactless switch (2) are uncovered shape and the rectangular recess (211) of an indent are arranged, contact (22) is a bow shape plate (221), (221) inside is hollow form, be connected with a metallic conduction plate (23) in contact (22) middle inside, two conductive contact blades (27) in the slot (261) are equipped with the section of drawing (271), draw outward on the section of drawing (271) to be connected to the lead (5) that links to each other with operator's compartment or trailer afterbody Warning light and power supply.The inboard floating support of contact (22) has the V-arrangement spring (24) of two symmetries.

3, according to claim 1 or 2 described tire deflation autoalarms, it is characterized in that: contact (22) is to be made of the arcuation plate (221) in the outside and base plate (222), be provided with recessed location pit (2221) in base plate (222) bottom, and V-arrangement spring (24) top is free end and shore mutually with base plate (222), (24) the lower end embedding is clipped in the insulating barrier (26), in insulating barrier (26), offer the lock pin jack (265) that spring (263) and lock pin (262) are housed in, lock pin jack (265) is perpendicular corresponding with conduction plate (23), offer and lock pin (262) draw-in groove (231) of plug-in card or disengagement mutually in conduction plate (23) one sides, contactless switch housing (21) is connected on the stay bearing plate (28) by screw (25), in groove (211), stay bearing plate (28) fixes with the waterproof board of mill pot (7) insulating barrier (26) by dowel bolt (264) locking.

4, according to claim 1 or 2 described tire deflation autoalarms, it is characterized in that: the rod that is along its length of housing (11) is hammered shape into shape, one side of housing (11) is the arc surfaced (116) that matches with the interior all side cambered surfaces of tire steel plate (6), in housing (11) major part section, be provided with three separately and the vestibule of parallel distribution (111), in last vestibule (111), be movably installed with spring (12), shaft end side activity storing at spring (12) has (132), ejector pin (1321) activity of taking over a business (132) is outer stretched mode after passing the perforation (114) of vestibule (111), butting rod (15) and the movable sleeve of middle part vestibule (111), being with an end on the minor diameter guide section (154) of butting rod is and freely visits the spring (12) of stretching shape, be screwed a pressure regulating screw (19) at the interior place, aperture that is with two vestibules (111) of spring (12), in another vestibule (111), be movably installed with a piston (13), one end of piston (13) be connected with one from vestibule jack (114), pass and with the inconsistent piston rod (131) of most advanced and sophisticated (161) one sides of crescent controll block (16), twist and be connected with a joint (14) at the place, aperture of vestibule (111), the other end of joint (14) is connected with one and twist connects mutually with valve nozzle (4) and to depress and the external hose (3) of isobaric conducting, the two ends of housing (11) are equipped with the terminal pad (18) of evagination, what be that one extends with housing (11) major part section is an orienting sleeve (115), activity inserts the extension shrinking section (152) of butting rod (15) in the rectangle endoporus (1151) of orienting sleeve (115), outer answer back to (153) of visiting Duan Youyi spherical crown shape of shrinking section (152), be arranged in and have the logical microscler chute (151) that slits up and down on the rectangular top lance (15) of the corresponding section of groove (113), offer outer recessed engaging breach (1511) on the two respective side cell walls of chute (151) middle part, one end of swivel pin (17) be cylinder rotational segment (172) and with the movable plug-in mounting of groove (113) diapire jack, the flat part (171) of swivel pin (17) and the movable plug-in mounting of chute (151), flat part (171) go up cover intrinsic with outside concane gap (1511) snap-latch piece (173) that fastens or throw off, the top flat part (171) of snap-latch piece (173) is gone up the controll block (16) of the intrinsic crescent of cover, and cover plate (112) hides crescent control desk (16) in the rectangular recess (113) of housing.