CN2333794Y - Anti-theft for steering gear of agricultural vehicle - Google Patents
Anti-theft for steering gear of agricultural vehicle Download PDFInfo
- Publication number
- CN2333794Y CN2333794Y CN 98221376 CN98221376U CN2333794Y CN 2333794 Y CN2333794 Y CN 2333794Y CN 98221376 CN98221376 CN 98221376 CN 98221376 U CN98221376 U CN 98221376U CN 2333794 Y CN2333794 Y CN 2333794Y
- Authority
- CN
- China
- Prior art keywords
- opening
- lock
- closing shaft
- positioning sleeve
- steering gear
- 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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- Lock And Its Accessories (AREA)
Abstract
The utility model discloses an anti-theft lock for a steering gear of an agricultural vehicle. An opening and closing shaft sleeve 10 is connected to a positioning sleeve 8. A vehicle lock 17 is connected to the opening and closing shaft sleeve 10. An opening and closing shaft 5 is driven to axially move by a shift lever 14 connected to a vehicle lock core 13. Thus, the opening and closing shaft 5 is locked in a lock hole 6 on a steering gear shaft 7 so as to prevent the steering gear shaft 7 from being optionally rotated by other people. When a steering wheel 4 and fastening screws 12 are respectively disassembled by a robber, the anti-theft lock can not be disassembled for robbing the vehicle whether the anti-theft lock rotates around the steering gear shaft 7 or the anti-theft lock moves upwards along the axial direction of the steering gear shaft 7. The utility model has the advantages of reinforced theft-proof performance, simple structure and low cost.
Description
The utility model relates to the anti-theft device of motor vehicles, is specifically related to be used for the theftproof lock on the agricultural vehicle steering box.
At present, domestic agricultural vehicle is installed in the anti-theft device on its steering box, normally turning to processing one plane on the arbor cylindrical, the locking position that is connected in the theftproof lock on the positioning sleeve is positioned to turn to plane on the arbor by control, screw is fixed on positioning sleeve and turns on the casing, stop the rotation that turns to arbor, realized the antitheft of vehicle.Exist not enough: the one, work as the car stealer and will be connected in positioning sleeve and turn to the screw on the casing to unclamp, then the drive of car stealer's steering wheel rotation turns to the anti-theft device on the arbor to rotate, and both can steal car; The 2nd, when the car stealer earlier, after will turn to the steering wheel on the arbor and be fastened on the screw that turns on the casing and take off, just can steal car with anti-theft device along pipetting down on the steering box axial direction.
The purpose of this utility model is to provide a kind of car stealer of preventing to turn to arbor to rotate around it anti-theft device and steals car or turn to the agricultural vehicle steering box theftproof lock that pipettes down anti-theft device robber car on the arbor axial direction along it.
The technical solution of the utility model is achieved in that the agricultural vehicle steering box theftproof lock that comprises that positioning sleeve, lock, lock housing constitute, and its characteristics are: opening-closing shaft covers and is connected on the positioning sleeve cylindrical, and the opening-closing shaft activity is through opening and closing in the axle sleeve mesopore; At least be provided with two Baltimore grooves on the cylindrical of opening-closing shaft around its circumference, put with the corresponding opening-closing shaft of the Baltimore groove on the opening-closing shaft and to be provided with a spring eye at least, spring one end is movably placed in steel ball in the Baltimore groove on the opening-closing shaft, and its other end is closed in the spring eye; Lock is connected in keying axle sleeve one side, and the driving lever on the lock is positioned at the allocating slot of opening-closing shaft one end; The through hole that lock housing one side is provided with is coated with lock core and will opens and closes axle sleeve, opening-closing shaft and lock and is included in its chamber, and its other end links to each other with the positioning sleeve cylindrical.
For strengthening anti-theft effect, the positioning sleeve cylindrical is connected with a location shell, and the locating slot in this location shell links to each other with the positioning sleeve mesopore.
The utility model can also be realized in the following manner: the cylindrical of opening-closing shaft is provided with four concave arc grooves around its circumference, puts with the corresponding opening-closing shaft of concave arc groove on the opening-closing shaft and is provided with three spring eyes; Spring one end is movably placed in steel ball respectively in the concave arc groove on the opening-closing shaft, and its other end then is closed in the spring eye respectively.
Because the utility model drives opening-closing shaft by lock and moves axially, one end of opening-closing shaft is entered in the lock hole that is provided with on turning to arbor, and the locating slot on the positioning sleeve is inlaid on the boss that turns on the casing, prevented the car stealer with theftproof lock around turning to arbor rotate to steal car or along pipetting play theftproof lock robber car on the steering box axial direction, strengthened theftproof and simple in structure, cost is low.
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.
Fig. 1 is the utility model and the structural profile view that turns to arbor 7, turns to casing 9 to link to each other;
Fig. 2 be among Fig. 1 A-A to view;
Fig. 3 be among Fig. 2 B-B to view.
With reference to Fig. 1-Fig. 3.Opening and closing axle sleeve (10) radially wears and is welded on positioning sleeve 8 cylindricals.The cylindrical of opening-closing shaft 5 is provided with four concave arc grooves 3 around its circumference, be provided with three spring eyes with the concave arc groove 3 corresponding keying axle sleeves 10 on the opening-closing shaft 5, three steel balls 2 are movably placed in the concave arc groove 3 by an end of three springs 11 respectively, and the other end of spring 11 then is enclosed in the spring eye by rivet respectively.Steel ball 2 is stuck in the concave arc groove of opening-closing shaft cylindrical by spring 11, effect is to prevent that vehicle in the process of moving, lock 17 is under malfunctioning situation, opening-closing shaft 5 is got back in the lock hole 6 that turns on the arbor (shown in Figure 1) by the road bump vibrations automatically, to turn to arbor 7 locked suddenly, steering wheel 4 can't be rotated, cause vehicle accident in the process of moving to take place.The driving lever 14 of lock 17 is positioned at the empty knife-edge allocating slot 16 of opening-closing shaft 5 one ends.This allocating slot 16 can also be along opening-closing shaft to being set as oval flute profile.The through hole that lock housing 1 one sides are provided with is coated with lock core 13 and will opens and closes axle sleeve 10, opening-closing shaft 5, lock 17 and is included in its chamber, and its other end and positioning sleeve 8 cylindricals weld; Effect is to prevent that the car stealer from pulling down the back with lock 17 integral body and stealing car.Positioning sleeve 8 lower end cylindricals are connected with a location shell 15, and this location locating slot in shell links to each other with positioning sleeve 8 mesopores, and effect is that its locating slot is sleeved on the boss that turns to casing 9 with positioning sleeve, and by trip bolt 12 be connected (Fig. 1, shown in Figure 3).Purpose is to strengthen around turning to arbor 7 to rotate the theftproof that takes off theftproof lock.
Operating principle of the present utility model is as follows: be provided with a lock hole 6 with the corresponding arbor 7 that turns in the opening-closing shaft installation site of theftproof lock, the driver rotates lock 17 keys and drives driving lever 14 and turn right and drive opening-closing shaft 5 and move to right and enter in the lock hole 6 (shown in Figure 1), make to turn to arbor 7 to rotate, realize antitheft.No matter as the car stealer steering wheel 4 and trip bolt 12 are pulled down respectively, be theftproof lock to be rotated rotate or along moving on its steering box axial direction, all theftproof lock can not be taken off to arbor.Human pilot rotates lock 17 keys round about, 14 of driving levers drive opening-closing shaft 5 and are moved to the left a concave arc separation, both be entrapped in location in its corresponding three concave arc grooves 3 respectively by three steel balls 2, opening-closing shaft 5 hole 6 that goes out of lock had both turned to arbor 7 steering vehicles to travel.
Claims (3)
1. one kind comprises positioning sleeve, lock, the agricultural vehicle steering box theftproof lock that lock housing constitutes, it is characterized in that: keying axle sleeve (10) wears and is connected on positioning sleeve (8) cylindrical, opening-closing shaft (5) is movable through opening and closing in axle sleeve (10) mesopore, at least be provided with two Baltimore grooves (3) on the cylindrical of opening-closing shaft (5) around its circumference, with also be provided with a spring eye on the corresponding keying axle sleeve of the Baltimore groove on the opening-closing shaft (5) (10) at least, spring (11) one ends are movably placed in steel ball (2) in the Baltimore groove (3) on the opening-closing shaft (5), and its other end is closed in the spring eye; Lock (17) is connected in keying axle sleeve (10) one sides, and the driving lever (14) on its lock (17) is positioned at the allocating slot (16) of opening-closing shaft (5) one ends; The through hole that lock housing (1) one side is provided with is coated with lock core (13) and will opens and closes axle sleeve (10), opening-closing shaft (5), lock (17) and is included in its chamber, and its other end links to each other with positioning sleeve (8) cylindrical.
2. agricultural vehicle steering box theftproof lock according to claim 1 is characterized in that: positioning sleeve (8) cylindrical is connected with a location shell (15), and the same positioning sleeve of locating slot (8) mesopore in this location shell (15) links to each other.
3. agricultural vehicle steering box theftproof lock according to claim 1, it is characterized in that: the cylindrical of opening-closing shaft (5) is provided with four concave arc grooves (3) around its circumference, is provided with three spring eyes with the corresponding keying axle sleeve of the concave arc groove on the opening-closing shaft (5) (10); Spring (11) one ends are movably placed in steel ball (2) respectively in the concave arc groove (3) on the opening-closing shaft, and its other end then is closed in the spring eye respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98221376 CN2333794Y (en) | 1998-06-06 | 1998-06-06 | Anti-theft for steering gear of agricultural vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98221376 CN2333794Y (en) | 1998-06-06 | 1998-06-06 | Anti-theft for steering gear of agricultural vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2333794Y true CN2333794Y (en) | 1999-08-18 |
Family
ID=33972955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98221376 Expired - Fee Related CN2333794Y (en) | 1998-06-06 | 1998-06-06 | Anti-theft for steering gear of agricultural vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2333794Y (en) |
-
1998
- 1998-06-06 CN CN 98221376 patent/CN2333794Y/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 |