CN2297334Y - Alarm device for underpressure tyre of trailer - Google Patents
Alarm device for underpressure tyre of trailer Download PDFInfo
- Publication number
- CN2297334Y CN2297334Y CN 97214481 CN97214481U CN2297334Y CN 2297334 Y CN2297334 Y CN 2297334Y CN 97214481 CN97214481 CN 97214481 CN 97214481 U CN97214481 U CN 97214481U CN 2297334 Y CN2297334 Y CN 2297334Y
- Authority
- CN
- China
- Prior art keywords
- rectangular box
- tooth
- lead
- trailer
- annunciator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an alarm device for an underpressure tyre of a trailer. The device is composed of a closed rectangular box body fixedly arranged on a shaft of the trailer, two parallel rack bars fixedly arranged on two ends of the rectangular box body, a counterweight rotor positioned between the two parallel rack bars in the rectangular box body, copper spring piece electrodes arranged on two inner ends of the rectangular box body, an alarm and a battery which are connected by conducting wires. The utility model can accurately send out signals in time in order to inform a driver to stop to process when the tyre of the trailer is flat due to air leakage.
Description
The utility model relates to the flat tire alarm device of a kind of trailer tire.
Automobile driver is driven when having the vehicle of trailer, and the wheel threatened abortion vapour that trailer often takes place causes flat tire, and automobile driver often is not easy in time to find flat tire, and when discovered, tire is scrapped substantially, even causes traffic accident.
The purpose of this utility model is in order to overcome the problem of above-mentioned existence, a kind of flat tire alarm device of trailer tire that automobile driver is in time found to be provided.
The flat tire alarm device of a kind of trailer tire is characterized in that this device is made up of following parts:
Rectangular box, this casing are osed top, and on the axletree that axially is packed in trailer, its casing is connected with battery negative post by lead;
Tooth bar, described tooth bar are two, and the two ends of tooth bar are packed on the interior two ends of rectangular box, and make two tooth bars keep respective parallel, and the middle part flank of tooth of two tooth bars is lower than the flank of tooth 7mm at tooth bar two ends, and promptly the middle part flank of tooth of tooth bar becomes 174 ° V-arrangement angle;
Between counterweight rotor, described counterweight rotor two parallel racks in rectangular box, the two ends of counterweight rotor for respectively with two tooth bar mating gear;
Electrode, described electrode is the red copper spring leaf, is contained in the middle part in the rectangular box two ends, this electrode insulate by insulation tube, insulating mat and rectangular box, and is connected in series mutually with annunciator, storage battery by lead;
Annunciator, an end of described annunciator is connected with electrode by lead, and the other end of annunciator is connected with the storage battery anode by lead;
Storage battery, the anode of described storage battery is connected with an end of annunciator by lead, and the negative terminal of storage battery is connected with rectangular box by lead.
Owing to adopt technique scheme, when a certain tire of trailer takes place to leak the flat tire of vapour, the trailer axletree is tilted, at this moment the rectangular box that is packed in the flat tire alarm device on the trailer axletree also and then tilts, make the counterweight rotor be rolled into flat tire direction on one side by its two ends and tooth bar mating gear, counterweight rotor compressing red copper spring leaf electrode and rectangular box are connected, and make annunciator, storage battery etc. constitute the loop, electric signal takes place timely and accurately, informs automobile driver parking processing.
Description of drawings:
Fig. 1 is the birds-eye view after the utility model is opened loam cake;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the utility model electrical schematic diagram.
Embodiment in conjunction with the accompanying drawings further describes as follows to the utility model:
The flat tire alarm device of a kind of trailer tire is characterized in that this device is made up of following parts:
Rectangular box 1, this casing are osed top, and on the axletree that axially is packed in trailer, its rectangular box is connected with battery negative post by lead; Tooth bar 2, described tooth bar are two, and the two ends of tooth bar are packed on the interior two ends of rectangular box, and make two tooth bars keep respective parallel, and the middle part flank of tooth of two tooth bars is lower than the flank of tooth 7mm at tooth bar two ends, and promptly the middle part flank of tooth of tooth bar becomes 174 ° V-arrangement angle; Between counterweight rotor 3, described counterweight rotor two parallel racks in rectangular box, the two ends of counterweight rotor for respectively with two tooth bar mating gear; Electrode 4, described electrode is the red copper spring leaf, is contained in the middle part in the rectangular box two ends, this electrode insulate by insulation tube, insulating mat and rectangular box, and is connected in series mutually with annunciator, storage battery by lead; Annunciator 5, described annunciator can be signal lamps, can be loudspeaker also, and in the operator's compartment of packing into, an end of annunciator is connected with electrode by lead, and the other end of annunciator is connected with the storage battery anode by lead; Storage battery 6, the anode of described storage battery is connected with an end of annunciator by lead, and the negative terminal of storage battery is connected with rectangular box by lead.
When trailer takes place to leak the flat tire of vapour, inclination along with the trailer axletree, rectangular box is run-off the straight also, make the counterweight rotor in the rectangular box be rolled to flat tire direction on one side by its two ends and tooth bar mating gear, counterweight rotor compressing red copper spring leaf electrode 4 is connected with rectangular box 1, makes annunciator 5, storage battery 6 constitute the loop, and signal alarm takes place, inform automobile driver parking processing timely and accurately, change spare tyre.
Claims (1)
- The flat tire alarm device of a kind of trailer tire is characterized in that this device is made up of following parts:Rectangular box, this casing are osed top, and on the axletree that axially is packed in trailer, its casing is connected with battery negative post by lead;Tooth bar, described tooth bar are two, and the two ends of tooth bar are packed on the interior two ends of rectangular box, and make two tooth bars keep respective parallel, and the middle part flank of tooth of two tooth bars is lower than the flank of tooth 7mm at tooth bar two ends, and promptly the middle part flank of tooth of tooth bar becomes 174 ° V-arrangement angle;Between counterweight rotor, described counterweight rotor two parallel racks in rectangular box, the two ends of counterweight rotor for respectively with two tooth bar mating gear;Electrode, described electrode is the red copper spring leaf, is contained in the middle part in the rectangular box two ends, this electrode insulate by insulation tube, insulating mat and rectangular box, and is connected in series mutually with annunciator, storage battery by lead;Annunciator, an end of described annunciator is connected with electrode by lead, and the other end of annunciator is connected with the storage battery anode by lead;Storage battery, the anode of described storage battery is connected with an end of annunciator by lead, and the negative terminal of storage battery is connected with rectangular box by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97214481 CN2297334Y (en) | 1997-04-25 | 1997-04-25 | Alarm device for underpressure tyre of trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97214481 CN2297334Y (en) | 1997-04-25 | 1997-04-25 | Alarm device for underpressure tyre of trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2297334Y true CN2297334Y (en) | 1998-11-18 |
Family
ID=33931921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97214481 Expired - Fee Related CN2297334Y (en) | 1997-04-25 | 1997-04-25 | Alarm device for underpressure tyre of trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2297334Y (en) |
-
1997
- 1997-04-25 CN CN 97214481 patent/CN2297334Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |