CN2300551Y - Steering mechanism lock for tractor - Google Patents
Steering mechanism lock for tractor Download PDFInfo
- Publication number
- CN2300551Y CN2300551Y CN97216108U CN97216108U CN2300551Y CN 2300551 Y CN2300551 Y CN 2300551Y CN 97216108 U CN97216108 U CN 97216108U CN 97216108 U CN97216108 U CN 97216108U CN 2300551 Y CN2300551 Y CN 2300551Y
- Authority
- CN
- China
- Prior art keywords
- lock
- lock core
- mounting portion
- dead bolt
- axis
- 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 relates to a lock, particularly a lock for the steering mechanisms of tractors. The lock has three technical proposals which are provided with lock cores and lock bodies totally. When the utility model is used, the lock body is fixed on the pipe column of the steering shaft of a steering mechanism to enable a lock tongue or a lock pin to be inserted into the groove of the steering shaft of the steering mechanism or into a groove on a steering wheel to lock the steering shaft or the steering wheel. The utility model has the advantages of prizing prevention, sawing prevention and convenient use.
Description
The utility model relates to a kind of lock, relates in particular to a kind of lock that locks tractor steering mechanism.
At present, the lock that is used to lock steering hardware that uses on the trac., behind the locking steering hardware, its lock bridge is exposed to the outside, thereby is easily prized and saw, and uses inconvenient.
The purpose of this utility model is to overcome above-mentioned shortcoming, and the lock of a kind of pick-proof, anti-saw, locking tractor steering mechanism easy to use is provided.
The purpose of this utility model realizes by following three kinds of technical schemes:
A kind of tractor steering mechanism lock, this lock comprises lock core, lock body, compression spring and guide positioning pin.Described lock core has a lock core shell and a dead bolt that moves perpendicular to the lock core axis direction near the edge of lock core shell top end.A lock pin that constitutes with lock core shell integral body is arranged on the lock core shell top.A guide-localization groove is arranged on the external cylindrical surface of lock core shell.Described lock body have one lay the cylindrical cavity of lock core, on the sidewall of chamber two and dead bolt in locking and the corresponding dead bolt hole of lockset position of coupler, hole of crossing for lockpin ventilating, one be used for fixing tapped bore and the mounting portion that guide positioning pin is used.Described mounting portion is circular, and a tapped bore is arranged on it.The axis in described chamber and the intersect vertical axis of mounting portion.Described spring is configured in the top of lock core shell and is enclosed within on the lock pin.Described guide positioning pin is fixed on the lock body by its screw thread.
Another kind tractor steering mechanism lock, this lock comprises lock core and lock body.Described lock body has one and lays the cylindrical cavity of lock core, a hole and a mounting portion that supplies dead bolt to pass through.Described mounting portion is circular, and a tapped bore is arranged on it.Described lock core has an axis of aiming at the mounting portion along the dead bolt that moves perpendicular to this lock core axis direction.The axis in described chamber intersects with the axis normal of mounting portion.
Another tractor steering mechanism lock, this lock comprises lock core and lock body.Described lock core has the edge of close its top end perpendicular to the upper and lower mobile dead bolt of this lock core axis direction.Described lock body has one the cylindrical cavity of lock core, a hole and a mounting portion that supplies dead bolt to pass through is installed.Described mounting portion is circular, and a tapped bore and two keyways are arranged on it.Perhaps described mounting portion is
Shape, its recess are a semicircular arc groove, and there are two tapped bore that are parallel to each other its both sides.
Owing to adopt above-mentioned three kinds of technical schemes, locking back lock pin or dead bolt are ensconced in the steering hardware, can prevent to be prized and saw, thereby good anti-theft effect, and use easily.
By embodiment tractor steering of the present utility model mechanism lock is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the scheme drawing of first embodiment of tractor steering of the present utility model mechanism lock;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 1 is to view;
Fig. 4 is the scheme drawing of second embodiment of tractor steering of the present utility model mechanism lock;
Fig. 5 is that the C of Fig. 4 is to view;
Fig. 6 is the scheme drawing of the 3rd embodiment of tractor steering of the present utility model mechanism lock;
Fig. 7 is that the D of Fig. 6 is to view;
Fig. 8 is the scheme drawing of the 4th embodiment of tractor steering of the present utility model mechanism lock;
Fig. 9 is that the E of Fig. 8 is to view;
Figure 10 is installed in the scheme drawing of the axis of orientation of locking steering hardware on the steering hardware for the lock of second embodiment of tractor steering of the present utility model mechanism lock;
Figure 11 is installed in the scheme drawing of the bearing circle of locking steering hardware on the steering hardware for the lock of the 4th embodiment of tractor steering of the present utility model mechanism lock.
With reference to accompanying drawing 1-3.First embodiment of tractor steering of the present utility model mechanism lock is the axis of orientation that is used for locking steering hardware, and it comprises lock core 1, lock body 2, compression spring 3 and guide positioning pin 4.Lock core 1 has a lock core shell 5 and a dead bolt 6 that moves perpendicular to lock core 1 axis direction near the edge of lock core shell 5 top ends.Lock pins 7 that constitute with lock core shell 5 integral body are arranged on lock core shell 5 tops.A guide-localization groove 8 is arranged on the external cylindrical surface of lock core shell 5.Lock body 2 have one lay the cylindrical cavity 9 of lock core 1, on 9 sidewalls of chamber two and dead bolt 6 in hole that locking and the corresponding dead bolt hole 10 of lockset position of coupler and 11, one pass through for lock pin 7 12 a, tapped bore 13 and mounting portion 14 that is used for fixing guide positioning pin 4.Mounting portion 14 is circular, and a tapped bore 15 is arranged on it, and it is to be used for tightening screw when lock is installed.The intersect vertical axis of the axis in chamber 9 and mounting portion 14.Spring 3 is configured in the top of lock core shell 5 and is enclosed within on the lock pin 7.Guide positioning pin 4 is fixed on the lock body 2 by its screw thread.
During locking, spring 3 is compressed, and by key dead bolt 6 is stretched in the dead bolt hole 10, and lock pin stretches out from hole 12 for 7 this moments, and in the groove of the hole of the axis of orientation tubing string of insertion steering hardware and axis of orientation.When unblanking, make dead bolt 6 retractions withdraw from dead bolt hole 10 by key, lock core 1 is under the guide-localization of the effect of compression spring 3 and guide positioning pin 4 and guide-localization groove 8, lock pin 7 withdraws from from the groove of the hole of the axis of orientation tubing string of steering hardware and axis of orientation, straight line moves to the position of unlocking condition, by key dead bolt 6 is stretched in the dead bolt hole 11.In this case, because dead bolt 6 stretches in the dead bolt hole 11, therefore can not insert in the groove of the hole of axis of orientation tubing string of steering hardwarees and axis of orientation because of not noting that lock core 1 is moved and cause lock pin 7.
With reference to Figure 4 and 5.Second embodiment of tractor steering of the present utility model mechanism lock also is the axis of orientation that is used for locking steering hardware, and it comprises lock core 16 and lock body 17.Lock body 17 has hole 20 and the mounting portion 21 that the cylindrical cavity 19 of laying lock core 16, pass through for dead bolt 18.Mounting portion 21 is circular, the tapped bore 22 that tightening screw is used when having lock is installed on it.Lock core 16 has an axis of aiming at mounting portion 21 along the dead bolt 18 that moves perpendicular to these lock core 16 axis directions.The axis in chamber 19 intersects with the axis normal of mounting portion 21.
During locking, dead bolt 18 is stretched out from hole 20 by key, and in the groove of the hole of the axis of orientation tubing string of insertion steering hardware and axis of orientation.When unblanking, by key dead bolt 18 is withdrawed from from the groove of the hole of the axis of orientation tubing string of steering hardware and axis of orientation and get back in the hole 20.
With reference to Fig. 6 and 7.The 3rd embodiment of tractor steering of the present utility model mechanism lock is the bearing circle that is used for locking steering hardware, and it comprises lock core 23 and lock body 25.Lock core 23 has the edge of close its top end perpendicular to the upper and lower mobile dead bolt 27 of these lock core 23 axis directions.Lock body 25 has hole 31 and the mounting portion 33 that a cylindrical cavity of laying lock core 23 29, pass through for dead bolt 27.Mounting portion 33 is circular, the keyway 36 that connecting key is used when the tapped bore 35 that tightening screw is used when having lock is installed on it and two installation locks.
During locking, dead bolt 27 is stretched out from hole 31 by key, and in the groove on the bearing circle of insertion steering hardware.When unblanking, make to withdraw from the groove of dead bolt 27 from the bearing circle of steering hardware by key and get back in the hole 31.
With reference to Fig. 8 and 9.The 4th embodiment of tractor steering of the present utility model mechanism lock also is the bearing circle that is used for locking steering hardware, and it comprises lock core 24 and lock body 26.Lock core 24 has the edge of close lock core 24 top ends perpendicular to the upper and lower mobile dead bolt 28 of these lock core 24 axis directions.Lock body 26 has hole 32 and the mounting portion 34 that a cylindrical cavity of laying lock core 24 30, pass through for dead bolt 28.Mounting portion 34 is
Shape, its recess are half arc-shaped slot 37, and there are two tapped bore that are parallel to each other 38 its both sides, and tightening screw was used when they installed lock.
During locking, dead bolt 28 is stretched out from hole 32 by key, and in the groove on the bearing circle of insertion steering hardware.When unblanking, make to withdraw from the groove of dead bolt 28 from bearing circle by key and get back in the hole 32.
Figure 10 is installed in the scheme drawing of the axis of orientation of locking steering hardware on the steering hardware for the lock of second embodiment of tractor steering of the present utility model mechanism lock.39 expressions lock of the present utility model among the figure, the axis of orientation of 40 expression steering hardwarees, the axis of orientation tubing string of 41 expression steering hardwarees.
Figure 11 is installed in the scheme drawing of the bearing circle of locking steering hardware on the steering hardware for the lock of the 4th embodiment of tractor steering of the present utility model mechanism lock.The bearing circle of 42 expression steering hardwarees among the figure, 43 expressions lock of the present utility model.
Claims (5)
1, a kind of tractor steering mechanism lock, this lock comprises lock core (1), lock body (2), compression spring (3) and guide positioning pin (4), it is characterized in that: described lock core (1) has a lock core shell (5) and a dead bolt (6) that moves perpendicular to lock core (1) axis direction near the edge of lock core shell (5) top end, a lock pin (7) that constitutes with lock core shell (5) integral body is arranged on lock core shell (5) top, a guide-localization groove (8) is arranged on the external cylindrical surface of lock core shell (5), described lock body (2) has a cylindrical cavity (9) of laying lock core (1), on the sidewall of chamber (9) two with dead bolt (6) in locking and the corresponding dead bolt hole of lockset position of coupler (10) and (11), a hole (12) that supplies lock pin (7) to pass through, tapped bore (13) and mounting portion (14) that are used for fixing guide positioning pin (4) usefulness, described mounting portion (14) is circular, a tapped bore (15) is arranged on it, the intersect vertical axis of the axis in described chamber (9) and mounting portion (14), described spring (3) is configured in the top of lock core shell (5) and is enclosed within on the lock pin (7), and described guide positioning pin (4) is fixed on the lock body (2) by its screw thread.
2, a kind of tractor steering mechanism lock, this lock comprises lock core (16) and lock body (17), it is characterized in that: described lock body (17) has a cylindrical cavity (19) of laying lock core (16), hole (20) and mounting portion (21) that supply dead bolt (18) to pass through, described mounting portion (21) is circular, a tapped bore (22) is arranged on it, described lock core (16) has a dead bolt (18) that moves perpendicular to this lock core (16) axis direction near the edge of lock core (6) top end, and the axis of described chamber (19) intersects with the axis normal of mounting portion (21).
3, a kind of tractor steering mechanism lock, this lock comprises lock core (23,24) and lock body (25,26), it is characterized in that: described lock core (23,24) has the edge of close its top end perpendicular to the upper and lower mobile dead bolt of this lock core (23,24) axis direction (27,28), and described lock body (25,26) has one and lays the cylindrical cavity (29,30) of lock core (23,24), hole (31,32) and mounting portion (33,34) that supply dead bolt (27,28) to pass through.
4, tractor steering as claimed in claim 3 mechanism lock, it is characterized in that: described mounting portion (33) have a tapped bore (35) and two keyways (36) for circular on it.
5, tractor steering as claimed in claim 3 mechanism lock, it is characterized in that: described mounting portion (34) are
Shape, its recess are half arc-shaped slot (37), and there are two tapped bore that are parallel to each other (38) its both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97216108U CN2300551Y (en) | 1997-05-23 | 1997-05-23 | Steering mechanism lock for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97216108U CN2300551Y (en) | 1997-05-23 | 1997-05-23 | Steering mechanism lock for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2300551Y true CN2300551Y (en) | 1998-12-16 |
Family
ID=33933085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97216108U Expired - Fee Related CN2300551Y (en) | 1997-05-23 | 1997-05-23 | Steering mechanism lock for tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2300551Y (en) |
-
1997
- 1997-05-23 CN CN97216108U patent/CN2300551Y/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 |