CN100335340C

CN100335340C - Fixing lock for gear-box of motorcycle

Info

Publication number: CN100335340C
Application number: CNB2005100784274A
Authority: CN
Inventors: 陈刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-14
Filing date: 2005-06-14
Publication date: 2007-09-05
Anticipated expiration: 2025-06-14
Also published as: CN1699108A

Abstract

The present invention relates to a power shaft fixing lock of a motorcycle gearbox, which is composed of a gearbox body, a power output shaft and a lock body, wherein a locking wheel is fixedly arranged on the power output shaft which is arranged in the gearbox body, a circle of tooth-shaped locking grooves are arranged on the locking wheel, a fixing hole is arranged on the gearbox body and is used for installing and fixing the lock body which is fixedly arranged in the fixing hole, a key unlocking hole of the lock body is positioned on an outer hole of the fixing hole which is arranged outside the gearbox body, a lock tongue of the lock body corresponds to the tooth-shaped locking groove which is arranged on the locking wheel, and the lock tongue extends out of the lock body and is clamped into the tooth-shaped locking groove. The lock tongue retracts the lock body, and a gap is between the tongue end of the lock tongue and the top of the tooth-shaped locking groove and is greater than 1mm. The device is a theftproof device for a motorcycle and has the advantages of safe and reliable operation and good theftproof performance.

Description

Fixing lock for gear-box of motorcycle

One, technical field

The present invention relates to a kind of anti-theft device for motorcycle, is a kind of anti-joyride device of locking gear-box of motorcycle, and it is applicable to the locking of various motorcycle gear box power take-off shafts.

Two, background technology

At present, generally the anti-theft lock for motorcycle of Shi Yonging all is arranged on the outside of motor bike, the locking handlebar that has, the locking wheel that has, the locking chain or the sprocket wheel that have, these anti-theft column locks easily are unlocked or destroy and cause vehicle to lose, and particularly external anti-theft column lock is once be unlocked or destroy, motor bike just can normally be ridden, the robber is fled from fast, not only cause the stolen possibility of motor bike to increase, and give to arrest the robber and solve a case and bring difficulty.

Three, summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art, a kind of fixing lock for gear-box of motorcycle that built-in anti-joyride device is set at the motor bike heart is provided.

Purpose of the present invention can realize by following technical measures: fixing lock for gear-box of motorcycle, by gear box, power take-off shaft, lock body is formed, be mounted with the locking wheel on the power take-off shaft in gear box, the locking wheel is provided with a circle profile of tooth lock groove, gear box is provided with the fixed orifice that installs and fixes lock body, lock body is fixed in the fixed orifice, the key operated hole of lock body is positioned at the collar extension of the exterior fixed orifice of gear box, the dead bolt of lock body is corresponding with the profile of tooth lock groove on the locking wheel, dead bolt stretches out lock body and snaps in the profile of tooth lock groove, and the gap greater than 1mm is arranged at the end of its tongue of dead bolt withdrawal lock body and the top of profile of tooth lock groove.

Purpose of the present invention can also realize by following technical measures: the excircle of locking wheel is provided with a circle profile of tooth lock groove, the profile of tooth lock groove is by many uniform protruding stupefied formation on the cylindrical of locking wheel, on many protruding stupefied outside cylinder that are arranged on locking wheel and parallel with the cylindrical element of a cylinder, the flank profil shape that protruding stupefied cross-sectional plane is a gear or triangle or semicircle.

The locking wheel is fixed on a side of power take-off shaft, leave the space that lock body is installed between the outer face of locking wheel and the medial surface of gear box sidewall, be provided with a circle profile of tooth lock groove in the outer ring of locking wheel outer face, lock body is fixedly mounted on the sidewall of the gear box outside the locking wheel.

Lock body is a lock cylinder, the lock core of lock body is the rotary and telescopic lock core, the bottom and the dead bolt of lock core are connected and fixed, or lock body is a lock cylinder, lock core is loaded in the circular lock housing of lock body, one section driving cylinder is arranged in the lower end of lock core, driving cylinder rotates in lock housing synchronously with lock core, inner chamber in the lock housing bottom is provided with negative thread, the middle part of dead bolt is provided with the outside thread that is complementary with the lock housing negative thread, the top of dead bolt is oblate cylindricality, is provided with the microscler chute that the oblate post with dead bolt is complementary at the bottom center of symmetry that drives cylinder, and oblate post is installed in the chute and can slides up and down in groove.

Lock body is that lock core is stirred the telescopic lock body of dead bolt, and lock body is fixedly mounted on the stationary plane of gear box inner chamber setting, and circular lock core stretches out casing in fixed orifice.

Lock body is the mechanical type lock body, or the electromagnetic type lock body, or the wireless remote control type lock body.

It is built-in, antitheft reliable that the present invention compared with prior art has anti-joyride device, be difficult for destroyed or unlatching, the advantage that motor bike can not be carried out behind the locking, the destroyed motor bike that will make of this securing arrangement suffers major injury, do not open or destroy securing arrangement and motor bike can't be carried out again, increased the theftproof performance of motor bike greatly.

Four, description of drawings

Fig. 1 is the structural representation of fixing lock for gear-box of motorcycle.

Fig. 2 is the partial enlarged drawing of fixing lock for gear-box of motorcycle.

Fig. 3 is the structural representation that fixing lock for gear-box of motorcycle is installed in a side.

Fig. 4 is the structural representation of the fixing lock for gear-box of motorcycle of square lock body formula.

Five, the specific embodiment

Illustrated in figures 1 and 2: fixing lock for gear-box of motorcycle, by gear box 1, power take-off shaft 2, lock body 4 is formed, be mounted with locking wheel 3 on the power take-off shaft 2 in gear box 1, locking wheel 3 is installed on the position that does not influence shift gear slip shift, axle rank and pin key positioning groove that locking wheel 3 is installed are set on power take-off shaft 2, the outside cylinder of locking wheel 3 is provided with a circle profile of tooth lock groove, gear box 1 is provided with the circular fixed orifice that installs and fixes lock body 4, columniform lock body 4 is fixed in the fixed orifice, the key operated hole of lock body 4 is positioned at the collar extension of gear box 1 exterior fixed orifice, the dead bolt 5 of lock body 4 is corresponding with the profile of tooth lock groove on the locking wheel 3, dead bolt 5 stretches out lock body 4 and snaps in the profile of tooth lock groove, and the gap greater than 1mm is arranged at the end of dead bolt 5 withdrawal lock bodies 4 its lock tongues and the top of profile of tooth lock groove.The profile of tooth lock groove is by many uniform protruding stupefied formation on locking wheel 3, on many protruding stupefied outside cylinder that are arranged on locking wheel 3 and parallel with the cylindrical element of a cylinder, the flank profil shape that protruding stupefied cross-sectional plane is a gear, just locking wheel 3 is a gear, lock body 4 can be the lock cylinder of prior art, the lock core of lock body 4 is the rotary and telescopic lock core of prior art, when adopting the telescopic lock of prior art, the bottom and the dead bolt of lock core are connected and fixed, the lock body of embodiment shown in this figure is homemade, the assembling and the lock body that cooperates with prior art of its lock body 4 and lock core, shown in figure: lock body 4 is a lock cylinder, lock core is loaded in the tubular lock housing of outer circle of lock body 4, inner chamber in the lock housing bottom is provided with negative thread, the middle part of dead bolt 5 is provided with the outside thread that is complementary with the lock housing negative thread, the top of dead bolt is oblate cylindricality, one section driving cylinder is arranged in the lower end of lock core, driving cylinder can rotate in lock housing synchronously with lock core, drive cylinder and be provided with the microscler chute that the oblate post with dead bolt 5 is complementary, oblate post is installed in the chute, and can in groove, slide up and down, on the step of the fixed orifice of lock body 4, be coated with the fixedly set pin 6 of lock body 4, in the bottom of lock housing seal ring 7 is housed, dead bolt 5 is flexible up and down can to insert or withdraw from the profile of tooth lock groove.

Shown in Figure 3: locking wheel 3 is fixed on the right side of power take-off shaft 2, leave the space that lock body 4 is installed between the outer face of locking wheel 3 and the medial surface of gear box 1 sidewall, the outer ring of taking turns 3 outer faces at locking is provided with the profile of tooth lock groove that a circle is the contrite gear shape, lock body 4 is fixedly mounted on the right side wall of gear box 1, and dead bolt 5 is corresponding with the profile of tooth lock groove on the locking wheel 3.

Shown in Figure 4: lock body 4 is stirred dead bolt 5 telescopic lock bodies for the lock core of prior art, lock body 4 is fixedly mounted on the stationary plane of gear box 1 inner chamber setting by binding bolt, the cylinder of the opening end of circular lock core stretches out casing in fixed orifice, same dead bolt 5 is corresponding with the profile of tooth lock groove of locking wheel 3.

The setting of gear box 4 lockholes among the above embodiment all should not influence the running of other working part in the change speed gear box, does not also influence the running of other parts after lock body 4 is installed, and power take-off shaft does not influence the normal operation of other parts yet after installing locking wheel 3.Seal by packing seal or sealant on the assembly opening of lock body and casing.

Claims

1, fixing lock for gear-box of motorcycle, by gear box (1), power take-off shaft (2), lock body (4) is formed, it is characterized in that: be mounted with locking wheel (3) on the power take-off shaft (2) in gear box (1), locking wheel (3) is provided with a circle profile of tooth lock groove, gear box (1) is provided with the fixed orifice that installs and fixes lock body (4), lock body (4) is fixed in the fixed orifice, the key operated hole of lock body (4) is positioned at the collar extension of the exterior fixed orifice of gear box (1), the dead bolt (5) of lock body (4) is corresponding with the profile of tooth lock groove on the locking wheel (3), dead bolt (5) stretches out lock body (4) and snaps in the profile of tooth lock groove, and the gap greater than 1mm is arranged at the end of its lock tongue of dead bolt (5) withdrawal lock body (4) and the top of profile of tooth lock groove.

2, fixing lock for gear-box of motorcycle according to claim 1, it is characterized in that: the excircle of locking wheel (3) is provided with a circle profile of tooth lock groove, the profile of tooth lock groove is by many uniform protruding stupefied formation on the cylindrical of locking wheel (3), on many protruding stupefied outside cylinder that are arranged on locking wheel (3) and parallel with the cylindrical element of a cylinder, the flank profil shape that protruding stupefied cross-sectional plane is a gear or triangle or semicircle.

3, fixing lock for gear-box of motorcycle according to claim 1, it is characterized in that: locking wheel (3) is fixed on a side of power take-off shaft (2), leave the space that lock body (4) is installed between the outer face of locking wheel (3) and the medial surface of gear box (1) sidewall, be provided with a circle profile of tooth lock groove in the outer ring of locking wheel (3) outer face, lock body (4) is fixedly mounted on the sidewall of the gear box (1) outside the locking wheel (3).

4, fixing lock for gear-box of motorcycle according to claim 1, it is characterized in that: lock body (4) is a lock cylinder, the lock core of lock body (4) is the rotary and telescopic lock core, the bottom and the dead bolt of lock core are connected and fixed, or lock body (4) is a lock cylinder, lock core is loaded in the circular lock housing of lock body (4), one section driving cylinder is arranged in the lower end of lock core, driving cylinder rotates in lock housing synchronously with lock core, inner chamber in the lock housing bottom is provided with negative thread, the middle part of dead bolt (5) is provided with the outside thread that is complementary with the lock housing negative thread, the top of dead bolt is oblate cylindricality, be provided with the microscler chute that the oblate post with dead bolt (5) is complementary at the bottom center of symmetry that drives cylinder, oblate post is installed in the chute and can slides up and down in groove.

5, fixing lock for gear-box of motorcycle according to claim 1, it is characterized in that: lock body (4) is stirred the telescopic lock body of dead bolt (5) for lock core, lock body (4) is fixedly mounted on the stationary plane of gear box (1) inner chamber setting, and circular lock core stretches out casing in fixed orifice.

6, fixing lock for gear-box of motorcycle according to claim 1 is characterized in that: lock body (4) is the mechanical type lock body, or the electromagnetic type lock body, or the wireless remote control type lock body.