CN203808629U

CN203808629U - Anti-theft lock with hook tongues

Info

Publication number: CN203808629U
Application number: CN201420014679.5U
Authority: CN
Inventors: 李泽华; 程新民
Original assignee: WANJIA GROUP CO Ltd
Current assignee: WANJIA GROUP CO Ltd
Priority date: 2014-01-10
Filing date: 2014-01-10
Publication date: 2014-09-03
Anticipated expiration: 2024-01-10

Abstract

The utility model relates to an anti-theft lock with hook tongues. The anti-theft lock comprises a guiding plate, a left connecting rod, a torsion spring shaft, an auxiliary lock tongue component, an inclined tongue component, a right connecting rod, an upper cover plate, a lower cover plate and a lock tongue component, wherein the lock tongue component comprises a lock tongue plate, a lock tongue, a push rod, a push rod spring shaft, a push rod pull spring, a push rod fixing bolt, a lock tongue limiting pin, a lock tongue plate fixing shaft, a lock tongue connecting plate, a hook tongue guiding shaft, a hook tongue rolling shaft and a hook tongue component; the hook tongue component comprises a left hook tongue, a right hook tongue, a torsion spring and a hook tongue steering shaft; hook tongue panels are respectively arranged at upper and lower ends of the hook tongue and are fixedly riveted with each other through two hook tongue fixing pins. According to the utility model, a function of preventing longitudinal prying of a lock body is realized and the anti-theft lock has the advantages of compact structure, firmness, durability, safety and reliability.

Description

A kind of theftproof lock of buckle tongue

Technical field

The utility model belongs to lockset manufacturing technology field, is specifically related to a kind of theftproof lock of buckle tongue.

Background technology

Existing theftproof lock, dead bolt does not have hook tongue, and lock body longitudinally easily pried open; Have hook tongue, the fault rate of unblanking is high, complex structure, difficult processing, cost are high, stretch out insufficient height.

Utility model content

The defect that the utility model exists for prior art, provides a kind of theftproof lock of buckle tongue, and its inside of the utility model is provided with Gou She mechanism, mainly by pin and fixedly groove realize hook tongue and tick, effectively improve the theftproof performance of lockset, the reduction fault rate of unblanking.

The utility model solves the problems of the technologies described above adopted technical scheme:

A kind of theftproof lock of buckle tongue, include guide strip, left connecting rod, torsion axis, auxiliary bolt component, latch bolt assembly, right connecting rod, upper cover plate, lower cover and bolt component, described bolt component includes bolt plate, dead bolt, push rod, push rod spring axle, push rod extension spring, push rod steady pin, dead bolt spacer pin, bolt plate fixed axis, dead bolt junction plate, the hook tongue axis of guide, hook tongue roller bearing and hook tongue assembly; Described hook tongue assembly includes left hook tongue, right hook tongue, torsion spring and hook tongue steering spindle, and respectively there is a hook lingual surface plate at the upper and lower two ends of described hook tongue, is fixed together by two hook tongue steady pin riveted joints; Hook tongue steering spindle is passed hook lingual surface plate, hook tongue, torsion spring and riveting in hook hypogloeeis side; Dead bolt, push rod spring axle and the riveted joint of the hook tongue axis of guide are fixed in bolt plate; Push rod is fixed in bolt plate by the riveted joint of push rod steady pin; Push rod extension spring one end hooks on push rod spring axle, and the other end hooks on push rod; Bolt plate fixed axis is fixed together bolt plate, the riveted joint of dead bolt junction plate; The riveted joint of dead bolt spacer pin is fixed on dead bolt junction plate; Left and right hook tongue assembly is through the hook tongue axis of guide of riveting in bolt plate, upper ends hook tongue roller bearing.

On described guide strip, be respectively equipped with the opening identical with the cross sectional shape of hook tongue, dead bolt.

Described hook lingual surface plate and hook tongue are one-body molded.

Described bolt plate, bolt plate fixed axis, dead bolt junction plate are one-body molded.

Operating principle of the present utility model is: be provided with bolt component, mainly by roller bearing and fixedly groove realize hook tongue and tick.In the time locking, lock core or other mechanism stretch out bolt component, and the hook tongue steering spindle on left and right hook tongue is by the groove fixedly of lower cover, and first straight line stretches out after certain distance, hook tongue steering spindle enters the hook groove position of lower cover, and left and right hook tongue is ticked and located to both sides rotation respectively.

The beneficial effects of the utility model are: realized the anti-function of longitudinally prying open of lock body, had advantages of compact conformation, sturdy and durable, safe and reliable.

Brief description of the drawings

Fig. 1 is the structural representation of dead bolt while stretching out.

Structural representation when Fig. 2 is dead bolt retraction.

The structural representation that Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 are bolt component.

Fig. 8 is the outside drawing that dead bolt stretches out.

In figure: 1. the auxiliary bolt component 11. dead bolt 12. push rod 13. push rod spring axle 14. push rod extension spring 15. push rod steady pin 16. latch bolt assembly 17. right connecting rod 18. upper cover plate 19. lower cover 20. dead bolt spacer pin 21. bolt plate fixed axis 22. dead bolt junction plate 23. hook tongue axis of guide 24. hook tongue roller bearings of left connecting rod 3. torsion axis 4. torsion spring 5. hook tongue steering spindle 6. hook tongue steady pin 7. hook lingual surface plate 8. hook tongue 9. bolt plate 10. of guide strip 2..

Detailed description of the invention

With reference to accompanying drawing 1-8, a kind of theftproof lock of buckle tongue, include guide strip 1, left connecting rod 2, torsion axis 3, auxiliary bolt component 10, latch bolt assembly, right connecting rod 17, upper cover plate 18, lower cover 19 and bolt component, described bolt component includes bolt plate 9, dead bolt, push rod 12, push rod spring axle 13, push rod extension spring 14, push rod steady pin 15, dead bolt spacer pin 20, bolt plate fixed axis 21, dead bolt junction plate 22, the hook tongue axis of guide 23, hook tongue roller bearing 24 and hook tongue assembly; Described hook tongue assembly includes left hook tongue 8, right hook tongue, torsion spring 4 and hook tongue steering spindle 5, and respectively there is a hook lingual surface plate 7 at the upper and lower two ends of described hook tongue, is fixed together by 6 riveted joints of two hook tongue steady pins; Hook tongue steering spindle is passed hook lingual surface plate, hook tongue, torsion spring and riveting in hook hypogloeeis side; Dead bolt, push rod spring axle and the riveted joint of the hook tongue axis of guide are fixed in bolt plate; Push rod is fixed in bolt plate by the riveted joint of push rod steady pin; Push rod extension spring one end hooks on push rod spring axle, and the other end hooks on push rod; Bolt plate fixed axis is fixed together bolt plate, the riveted joint of dead bolt junction plate; The riveted joint of dead bolt spacer pin is fixed on dead bolt junction plate; Left and right hook tongue assembly is through the hook tongue axis of guide of riveting in bolt plate, upper ends hook tongue roller bearing.On described guide strip, be respectively equipped with the opening identical with the cross sectional shape of hook tongue, dead bolt.Described hook lingual surface plate and hook tongue are one-body molded.Described bolt plate, bolt plate fixed axis, dead bolt junction plate are one-body molded.

Locking state is referring to Fig. 1, Fig. 8, and dead bolt stretches out state.Lock core or other mechanism stretch out bolt component, hook tongue steering spindle on left and right hook tongue is by the groove fixedly of lower cover, first straight line stretches out after certain distance, and hook tongue steering spindle enters the hook groove position of lower cover, and left and right hook tongue is ticked and located to both sides rotation respectively.Torsion spring prevents that hook tongue from rocking or bouncing back; Straight trough on upper cover plate play the guiding role, and lower cover fixedly groove makes the rotation of hook tongue tick an angle; Hook tongue roller bearing works to eliminate resistance.

Released state is referring to Fig. 2, i.e. dead bolt retracted mode.Lock core or other mechanism retract bolt component, and the hook tongue steering spindle on left and right hook tongue, by the hook groove of lower cover, is first rotated rollback, until hook tongue steering spindle is positioned at the straight trough position of lower cover, rear continuation straight line rollback puts in place.

Finally, it is also to be noted that, what more than enumerate is only specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, can also have many distortion.All distortion that those skilled in the art can directly derive or associate from the disclosed content of the utility model, all should think the protection domain of utility model.

Claims

1. the theftproof lock of a buckle tongue, include guide strip, left connecting rod, torsion axis, auxiliary bolt component, latch bolt assembly, right connecting rod, upper cover plate, lower cover and bolt component, it is characterized in that: described bolt component includes bolt plate, dead bolt, push rod, push rod spring axle, push rod extension spring, push rod steady pin, dead bolt spacer pin, bolt plate fixed axis, dead bolt junction plate, the hook tongue axis of guide, hook tongue roller bearing and hook tongue assembly; Described hook tongue assembly includes left hook tongue, right hook tongue, torsion spring and hook tongue steering spindle, and respectively there is a hook lingual surface plate at the upper and lower two ends of described hook tongue, is fixed together by two hook tongue steady pin riveted joints; Hook tongue steering spindle is passed hook lingual surface plate, hook tongue, torsion spring and riveting in hook hypogloeeis side; Dead bolt, push rod spring axle and the riveted joint of the hook tongue axis of guide are fixed in bolt plate; Push rod is fixed in bolt plate by the riveted joint of push rod steady pin; Push rod extension spring one end hooks on push rod spring axle, and the other end hooks on push rod; Bolt plate fixed axis is fixed together bolt plate, the riveted joint of dead bolt junction plate; The riveted joint of dead bolt spacer pin is fixed on dead bolt junction plate; Left and right hook tongue assembly is through the hook tongue axis of guide of riveting in bolt plate, upper ends hook tongue roller bearing.

2. the theftproof lock of a kind of buckle tongue as claimed in claim 1, is characterized in that: on described guide strip, be respectively equipped with the opening identical with the cross sectional shape of hook tongue, dead bolt.

3. the theftproof lock of a kind of buckle tongue as claimed in claim 2, is characterized in that: described hook lingual surface plate and hook tongue are one-body molded.

4. the theftproof lock of a kind of buckle tongue as claimed in claim 3, is characterized in that: described bolt plate, bolt plate fixed axis, dead bolt junction plate are one-body molded.