CN201092762Y

CN201092762Y - Insurance hypistoma component of anti-theft lock

Info

Publication number: CN201092762Y
Application number: CNU2007201549469U
Authority: CN
Inventors: 李鹏
Original assignee: BEIJING HARDROCK DEVELOPMENT Co Ltd
Current assignee: Beijing Anheng Litong Technology Co., Ltd.
Priority date: 2007-07-20
Filing date: 2007-07-20
Publication date: 2008-07-30
Anticipated expiration: 2017-07-20

Abstract

The utility model relates to a security bolt component of an antitheft lock, comprising a security bolt, a security bolt plate, a security bolt shifting wheel, a connecting bar, a security bolt resetting spring and a limit block. The security bolt is fixed at the front end of the security bolt plate, the security bolt transversely slides on the slide track along a fixing screw which is fixed on the antitheft lock, the middle-rear portion of the security bolt is equipped with a groove, the groove is engaged with a cam of the security bolt shifting wheel, a projection is also installed on the security bolt shifting wheel, the projection is hinged with one end of the connecting bar, and the other end of the connecting bar slides in the limit block, the limit block is fixed on the antitheft lock, and the connecting bar is equipped with the security bolt resetting spring. Because the spring in the security bolt component penetrates through the connecting bar and in the security bolt component of the antitheft lock, the connection of parts is simple and the position of the parts is fixed, therefore, the relative parts in the lock body can not be stopped, dropped off and the like.

Description

The safety tongue assembly of theftproof lock

Technical field

The utility model relates to a kind of safety tongue assembly of lock, has particularly related to a kind of safety tongue assembly with theftproof lock of anti-theft feature.

Background technology

The safety tongue assembly of existing theftproof lock, though its performance can satisfy existing needs basically, but because lock body is in repeatedly locking and the collision process opened, part is easy to come off, and the safety tongue back-moving spring in the safety tongue assembly particularly is after it comes off, the user can't open with key, make the safety tongue can't operate as normal, under the situation of security door locking, can only cut security door and security door could be opened.

Summary of the invention

The present utility model purpose has provided the safety tongue assembly of a kind of stable work in work, theftproof lock that fault rate is low, with the defective of the safety tongue assembly that overcomes existing theftproof lock.

To achieve these goals, the utility model provides a kind of safety tongue assembly of theftproof lock, it comprises: safety tongue, the insurance hyoplastron, the safety tongue thumb wheel, connecting rod, safety tongue back-moving spring and locating piece, safety tongue is fixed on the front end of insurance hyoplastron, the insurance hyoplastron laterally slides along the hold-down screw that is fixed on the theftproof lock on its slideway, the postmedian of insurance hyoplastron has a groove, this groove matches with cam on the safety tongue thumb wheel, the safety tongue thumb wheel also is equipped with projection, one end of this projection and connecting rod is hinged, the other end of connecting rod slides in locating piece, and locating piece is fixed on the theftproof lock, and the safety tongue back-moving spring is housed on the connecting rod;

The utility model provides a kind of safety tongue assembly of theftproof lock, and wherein: an end of described projection and connecting rod is hinged by rivet;

The utility model provides a kind of safety tongue assembly of theftproof lock, and wherein: described safety tongue thumb wheel is made up of last thumb wheel, following thumb wheel and plectrum, and plectrum is fixed between thumb wheel and the following thumb wheel, and cam and projection are arranged on the plectrum;

The utility model provides a kind of safety tongue assembly of theftproof lock, wherein: described cam and projection on plectrum alternate 70-120 °.

The safety tongue assembly of theftproof lock of the present utility model is compared with the safety tongue assembly of existing theftproof lock, because the spring in the safety tongue assembly passes connecting rod, and the connection of part is simple in the safety tongue assembly of theftproof lock, therefore fixed-site, related components fault such as can not be detained, come off in lock body.

Description of drawings

Be described in further detail below in conjunction with the safety tongue assembly of accompanying drawing theftproof lock of the present utility model:

Fig. 1 is the bowing to schematic diagram of safety tongue assembly of theftproof lock, for the ease of watching, has removed the loam cake of theftproof lock;

Fig. 2 is the section side direction enlarged diagram of safety tongue thumb wheel.

The specific embodiment:

As shown in Figure 1, the safety tongue assembly of a kind of theftproof lock of the present utility model comprises: safety tongue 2, insurance hyoplastron 3, safety tongue thumb wheel 4, connecting rod 7, safety tongue back-moving spring 6 and locating piece 8, safety tongue 2 is fixed on the front end of insurance hyoplastron 3, insurance hyoplastron 3 laterally slides along the hold-down screw 9 that is fixed on the theftproof lock on its slideway 12, the postmedian of insurance hyoplastron 3 has a groove 10, this groove 10 matches with cam 11 on the safety tongue thumb wheel 4, when safety tongue thumb wheel 4 rotates, cam 11 on the safety tongue thumb wheel 4 is stirred the groove 10 in the insurance hyoplastron 3, and hyoplastron 3 is insured in drive and safety tongue 2 stretches out and the lock body 1 of withdrawing.Safety tongue thumb wheel 4 also is equipped with projection 5, and this projection 5 is hinged by rivet with an end of connecting rod 7, and the other end of connecting rod 7 slides in locating piece 8, and locating piece 8 is fixed on the theftproof lock, and safety tongue back-moving spring 6 is housed on the connecting rod 7.

As shown in Figure 2, safety tongue thumb wheel 4 is made up of last thumb wheel 13, following thumb wheel 14 and plectrum 15, and plectrum 15 is fixed between thumb wheel 13 and the following thumb wheel 14, cam 11 and projection 5 are arranged on the plectrum 15, cam 11 and projection 5 on plectrum 15 alternate 70-120 °, preferably alternate 90 °, plectrum 15 is a stamping parts.

Operating principle:

The safety tongue assembly of theftproof lock of the present utility model in use, when the user is rotated counterclockwise the knob (not shown) inside security door, knob drives safety tongue thumb wheel 4 and rotates, make in the groove 10 of the cam 11 screw-in safety hyoplastrons 3 on it, promote insurance hyoplastron 3 and safety tongue 2 and stretch out lock body 1, locked security door from the inside; When user's knob (not shown) that turns clockwise from security door the inside, knob drives safety tongue thumb wheel 4 and rotates, and makes the cam 11 on it promote insurance hyoplastrons 3 and safety tongue 2 withdrawal lock bodies 1, and security door is opened from the inside.

Do not breaking away under the prerequisite of the present utility model; various modification and improvement that engineers and technicians in this area make the technical solution of the utility model all should fall into protection domain of the present utility model, and the technology contents that the utility model is asked for protection will be as the criterion all to be documented in right.

Claims

1. the safety tongue assembly of a theftproof lock, it comprises: safety tongue (2), insurance hyoplastron (3), safety tongue thumb wheel (4), connecting rod (7), safety tongue back-moving spring (6) and locating piece (8), safety tongue (2) is fixed on the front end of insurance hyoplastron (3), insurance hyoplastron (3) is gone up along the hold-down screw (9) that is fixed on the theftproof lock at its slideway (12) and is laterally slided, the postmedian of insurance hyoplastron (3) has a groove (10), this groove (10) matches with cam (11) on the safety tongue thumb wheel (4), it is characterized in that: safety tongue thumb wheel (4) also is equipped with projection (5), this projection (5) is hinged with an end of connecting rod (7), the other end of connecting rod (7) slides in locating piece (8), locating piece (8) is fixed on the theftproof lock, and safety tongue back-moving spring (6) is housed on the connecting rod (7).

2. the safety tongue assembly of theftproof lock as claimed in claim 1 is characterized in that: described projection (5) is hinged by rivet with an end of connecting rod (7).

3. the safety tongue assembly of theftproof lock as claimed in claim 2, it is characterized in that: described safety tongue thumb wheel (4) is made up of last thumb wheel (13), following thumb wheel (14) and plectrum (15), plectrum (15) is fixed between thumb wheel (13) and the following thumb wheel (14), and cam (11) and projection (5) are arranged on the plectrum (15).

4. the safety tongue assembly of theftproof lock as claimed in claim 3 is characterized in that: described cam (11) and projection (5) are gone up alternate 70-120 ° at plectrum (15).