CN201998944U - Wireless antitheft spare tire alarm for motor vehicle - Google Patents
Wireless antitheft spare tire alarm for motor vehicle Download PDFInfo
- Publication number
- CN201998944U CN201998944U CN201020532689XU CN201020532689U CN201998944U CN 201998944 U CN201998944 U CN 201998944U CN 201020532689X U CN201020532689X U CN 201020532689XU CN 201020532689 U CN201020532689 U CN 201020532689U CN 201998944 U CN201998944 U CN 201998944U
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- Prior art keywords
- spoon
- pin
- rhombus
- slideway
- projector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a wireless antitheft spare tire alarm for a motor vehicle. A central handle is disposed in a casing, wherein the top of the central handle is provided with a convex handle and the lower side with an upper support plate, at the lower side of which a chute is arranged. The bottom of the chute is provided with a rhombic slideway, the center of which is equipped with a rhombic key-prodding pin. An upper key slot is arranged in a slideway at the upper end of the rhombic key-prodding pin, and a lower key slot is arranged in the lower end. The front upper end of the casing is equipped with a key box, the upper end of which is provided with a guiding pin installed in the chute of the central handle. The lower end of the central handle is provided with a central shaft, which is installed in central holes in the lower end of the casing. The upper end of the central shaft is provided with a movable contact, and the casing above the movable contact is provided with a stationary contact. During the installation, a detection emitter is disposed at the lower side of a chassis at the rear end of an automobile. When a spare tire is dismounted by a theft, a switch of the detection emitter is triggered, the power is on, and then a loudspeaker is triggered by a receiving amplifier to produce alarm sound.
Description
Technical field:
The utility model relates to a kind of anti-joyride device, definite a kind of self-propelled vehicle spare tyre burglar alarm of saying so.
Background technology:
The various weight carrier motor-cars of selling in the market and using, the spare tyre with car carries generally all is arranged under the chassis of automobile rear end, is installed and fixed by spare tyre holder.These spare tires all do not have burglar alarm, when road parking or rest, robbed or burgled phenomenon happens occasionally, particularly in the service zone of express highway, even chaufeur is had a rest in operator's compartment, steal the also frightened drivers tired out that do not wake up of tire person, not only cause economic loss, and bring many inconvenience for long-distance driver to the car owner.
Summary of the invention:
The purpose of this utility model provides a kind of wireless alarm, takes place once more to solve the stolen phenomenon of automobile spare tire, guarantees safe in utilization in the automobile way.
Scheme of the present utility model comprises detection projector, receiving amplifier, loud speaker, detects projector and dials the spoon pin by housing, central shank, rhombus, key box, spacing spoon composition.Middle part at housing is provided with centre hole, central shank is housed in the centre hole, the top of central shank is provided with protruding handle, and the downside of protruding handle is provided with upper plate, and the downside of upper plate is provided with chute, the top of housing is provided with lower roof plate, on the central shank between the last lower roof plate upper spring is housed, the bottom of chute is provided with the rhombus slideway, and the central part of rhombus slideway is provided with rhombus and dials the spoon pin, rhombus is dialled in spoon slideway of pin upper end and is provided with a spoon groove, and the lower end is provided with down a spoon groove.The preceding upper end of housing is provided with the key box, be provided with limit shaft in the key box, spacing spoon is housed on the limit shaft, spacing spoon is installed on the positive middle part of key box, coil spring is equipped with in the upper end of spacing spoon, the spoon head of spacing spoon is installed in the rhombus slideway, dials in spoon slideway in the pin outside along rhombus to move up and down as clockwise direction.The upper end of key box is provided with guide finger, guide finger is installed in the chute of central shank, the lower end of central shank is provided with plug, the middle part of plug is provided with slot, the middle part, the end of housing is provided with guide plate, and the slot of plug is installed on the guide plate, and the right-hand member of guide plate is provided with break back contact, the right side of break back contact is provided with moving contact, and moving contact and break back contact are connected on the wiring board of power supply by lead respectively.
Described rhombus is dialled two trapezoidal inclined-planes of fitfull about two end faces are respectively equipped with up and down of spoon pin, the left side trapezoidal faces of upper surface is less than right trapezoidal faces, the left trapezoidal faces of lower surface is greater than right trapezoidal faces, make spoon groove and following spoon groove on two center-points up and down in the rhombus slideway all be positioned at dial spoon sell about on the big trapezoidal inclined-plane of both ends of the surface.
During installation, the downside that projector is arranged on chassis, automobile rear end will be detected, be fixed on the crossbeam of wheel support upper end, receiving amplifier is installed in the operator's compartment, again two loud speakers are installed in respectively on operator's compartment and the chassis, when stealing the tire person spare tyre when loosening, i.e. the switch of detection trigger projector, energized triggers loud speaker by receiving amplifier and sends chimes of doom.
The utility model is simple in structure simple, designs ingeniously, and the processing cost is low, and is safe in utilization effective.
Be described in further detail below in conjunction with accompanying drawing.
Description of drawings:
Fig. 1 is for detecting the emitter structures scheme drawing;
Fig. 2 is for detecting the emitter side view;
Fig. 3 is the projector electrical schematic diagram;
Fig. 4 is the receiving amplifier electrical schematic diagram;
Fig. 5 is the projector scheme of installation.
The specific embodiment:
The middle part of the housing 1 shown in Fig. 1-2 is provided with centre hole, central shank 4 is housed in the centre hole, the top of central shank is provided with protruding handle 7, the downside of protruding handle is provided with upper plate 8, the downside of upper plate is provided with guide groove 10, the top of housing is provided with lower roof plate 6, central shank between the last lower roof plate is provided with upper spring 9, the bottom of guide groove is provided with rhombus slideway 12, the central part of rhombus slideway is provided with rhombus and dials spoon pin 5, dial in spoon slideway of pin upper end and be provided with a spoon groove 11, the lower end is provided with down spoon groove 13, the preceding upper end of housing is provided with key box 20, be provided with limit shaft 21 in the key box body, spacing spoon 14 is housed on the limit shaft, coil spring 18 is equipped with in the upper end of spacing spoon, and the spoon head of spacing spoon is installed in the rhombus slideway 12, and the interior upside of key box is provided with guide finger 19, guide finger is installed in the chute of central shank, the lower end of central shank is provided with plug 3, and the middle part, the end of plug is provided with slot, and the outside is shaped on flange 2, the middle part, the end of housing is provided with guide plate 17, the slot of plug is installed on the guide plate, and the right-hand member of guide plate is provided with break back contact 16, and the right side of break back contact is provided with moving contact 15, the top of moving contact is provided with dialing spring sheet 27, and moving contact and break back contact are connected on the wiring board of power supply by lead respectively.
The spoon head of the spacing spoon 14 shown in the figure is positioned at spoon groove 11, when the protruding handle 7 of click unclamps, dial spoon pin 5 and move up in company with central shank under the effect of upper spring, spacing spoon head enters in the following spoon groove 13 in the slip of dialling the right trapezoidal inclined-plane of spoon pin falls into the slideway on right side and locatees.The plug 3 up drive flanges 2 of central shank lower end are pushed the warning of dialing spring sheet energized open simultaneously.As when sounding all clear, press belling handle 7 downwards, be parked in down in the spacing spoon head of spoon in the groove 13 slip into the left side under the promotion of dialling the left trapezoidal inclined-plane of spoon pin the slideway and enter location in the spoon groove 11, the plug 3 of central shank lower end drives flange 2 and moves down and back down the moving contact power cut-off simultaneously, sounds all clear.
Detection projector shown in Fig. 3 is by IC, resistance R, capacitor C, and power valve VT, coil L, miniature 12V battery are formed.When detector switch K closure, IC gets electric work, and the signal by IC the 15th pin output fixed frequency is coupled to Q1 amplifying emission pipe through R2, C1, by L1 the alerting signal wireless transmission is gone out.
Being respectively high frequency in the receiving amplifier circuit diagram shown in Fig. 4 receives and encoded control.The signal that is received by antenna enters Q2 and carries out frequency-selecting after the Q1 high frequency amplifies, select the signal identical with the projector carrier frequency, entering IC1A amplifies, signal after the amplification enters and exports the further filtering of IC2A, shaping, amplification after the IC1B shaping to and send into IC3 the 14th pin and decipher, signal after the decoding is exported by the 12nd pin, through R18, R19, C14, allow the VT1 triggering and conducting, loud speaker B sends chimes of doom.
The both sides of the projector housing 1 shown in Fig. 5 Fig. 2 are provided with installs connecting panel 22, connecting panel is provided with adjusts groove 23, projector is by the lower end of bolted at vehicle beam 24, adjust the last top that groove is positioned at the protruding handle 7 of projector on spare tyre steel ring 26, the steel ring of spare tyre is withstood on the protruding handle, protruding handle is in the just inclined to one side position of crossing top dead point, spacing spoon 14 spoon head also is about to break away from upward, and a spoon groove 11 enters slideway, when the burglar robber unloads spare tyre, as long as spare tyre steel ring 26 is left the protruding handle 7 of projector, protruding handle of projector and central shank are under the effect of upper spring, drive plug 3 and move down, make spacing spoon head enter down location in the spoon groove 13, the flange 2 of plug 3 is pushed dialing spring sheet 27 open, make moving contact 15 and break back contact 16 adhesives, energized sounds the alarm.
Claims (6)
1. self-propelled vehicle spare tyre wireless anti-theft alarming device, comprise the detection projector, receiving amplifier, loud speaker, detect projector by housing, central shank, rhombus is dialled the spoon pin, the key box, spacing spoon is formed, it is characterized in that: the middle part of described housing (1) is provided with centre hole, central shank (4) is housed in the centre hole, the top of central shank is provided with protruding handle (7), the downside of protruding handle is provided with upper plate (8), the downside of upper plate is provided with chute (10), the top of housing is provided with lower roof plate (6), and the central shank between the last lower roof plate is provided with upper spring (9), and the bottom of chute is provided with rhombus slideway (12), the central part of rhombus slideway is provided with rhombus and dials spoon pin (5), dial in spoon slideway of pin upper end and be provided with a spoon groove (11), the lower end is provided with down spoon groove (13), and the preceding upper end of housing is provided with key box (20).
2. self-propelled vehicle spare tyre wireless anti-theft alarming device according to claim 1, it is characterized in that: be provided with limit shaft (21) in the described key box body, spacing spoon (14) is housed on the limit shaft, coil spring (18) is equipped with in the upper end of spacing spoon, the spoon head of spacing spoon is installed in the rhombus slideway (12), the interior upside of key box is provided with guide finger (19), guide finger is installed in the chute of central shank, the lower end of central shank is provided with plug (3), the middle part, the end of plug is provided with slot, the outside is provided with flange (2), the middle part, the end of housing is provided with guide plate (17), and the slot of plug is installed on the guide plate, and the right side of guide plate is provided with break back contact (16), the right side of break back contact is provided with moving contact (15), and the top of moving contact is provided with dialing spring sheet (27).
3. self-propelled vehicle spare tyre wireless anti-theft alarming device according to claim 1, it is characterized in that: described detection projector is by IC, resistance R, capacitor C, power valve VT, coil L, miniature 12V battery are formed, when detector switch K closure, IC gets electric work, signal by IC the 15th pin output fixed frequency is coupled to Q1 amplifying emission pipe through R2, C1, by L1 the alerting signal wireless transmission is gone out.
4. self-propelled vehicle spare tyre wireless anti-theft alarming device according to claim 1, it is characterized in that: be respectively high frequency in the described receiving amplifier circuit diagram and receive and encoded control, the signal that is received by antenna enters Q2 and carries out frequency-selecting after the Q1 high frequency amplifies, select the signal identical with the projector carrier frequency, entering IC1A amplifies, signal after the amplification exports the further filtering of IC2A to after entering the IC1B shaping, shaping, amplification is sent into IC3 the 14th pin and is deciphered, signal after the decoding is exported by the 12nd pin, through R18, R19, C14, allow the VT1 triggering and conducting, loud speaker B sends chimes of doom.
5. self-propelled vehicle spare tyre wireless anti-theft alarming device according to claim 1, it is characterized in that: the both sides of described projector housing (1) are provided with installs connecting panel (22), connecting panel is provided with adjusts groove (23), and projector is by the lower end of bolted in vehicle beam (24).
6. self-propelled vehicle spare tyre wireless anti-theft alarming device according to claim 1, it is characterized in that: described rhombus is dialled two trapezoidal inclined-planes of fitfull about two end faces are respectively equipped with up and down of spoon pin, the left side trapezoidal faces of upper surface is less than right trapezoidal faces, the left trapezoidal faces of lower surface is greater than right trapezoidal faces, make spoon groove and following spoon groove on two center-points up and down in the rhombus slideway all be positioned at dial spoon sell about on the big trapezoidal inclined-plane of both ends of the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020532689XU CN201998944U (en) | 2010-09-13 | 2010-09-13 | Wireless antitheft spare tire alarm for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020532689XU CN201998944U (en) | 2010-09-13 | 2010-09-13 | Wireless antitheft spare tire alarm for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201998944U true CN201998944U (en) | 2011-10-05 |
Family
ID=44701700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020532689XU Expired - Lifetime CN201998944U (en) | 2010-09-13 | 2010-09-13 | Wireless antitheft spare tire alarm for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201998944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954898A (en) * | 2010-09-13 | 2011-01-26 | 庞磊 | Vehicle spare wheel wireless burglar alarm |
-
2010
- 2010-09-13 CN CN201020532689XU patent/CN201998944U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954898A (en) * | 2010-09-13 | 2011-01-26 | 庞磊 | Vehicle spare wheel wireless burglar alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |