Lock body safety bolt structure
A safety tongue and lock body technology, which is applied in building locks, building construction, construction, etc., can solve problems such as troublesome lock body installation, poor use feel, and loud collision noise between mechanical parts.
Inactive Publication Date: 2015-02-04
GUANGDONG MINGMEN LOCKS IND
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- Claims
- Application Information
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Problems solved by technology
[0002] At present, the lock bodies with safety tongues widely used in the market use three-turn torsion springs to reset and reciprocate. This kind of lock body is more troublesome to install, the use feeling is not good, and the mechanical parts collide with each other and the noise is relatively large.
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[0013] The present invention can be implemented in the following ways:
[0014] like figure 1 Shown: the present invention comprises, a lock body bottom box assembly 1, a safety tongue assembly 2, a shrapnel 3, a safety tongue dial peach 4; Described lock body bottom box assembly 1 front side is provided with safety tongue hole 11, bottom There are screw post A12, screw hole 14 and screw post B15, and the inside of the safety tongue hole 11 is provided with a guide post 13; the safety tongue assembly 2 is provided with a safety tongue 21 and a push plate 22. Slot 221, the end is provided with toggle groove 222, toggle groove 222 front side is provided with front card point 2221, rear side is provided with rear card point 2222; One end of described shrapnel 3 is provided with an annular ring 31; 4. The shape is prismatic, and its obtuse angle is set as a conversion arc surface 42. The two sets of opposite sides of the prismatic form respectively form the first self-locking opp...
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The invention, which relates to a hardware door lock part, discloses a lock body safety bolt structure. The lock body safety bolt structure is provided with a lock body bottom box assembly, a safety bolt assembly, a spring strip and a safety bolt driver; a safety bolt hole, a guide post, a screw post A, a driving hole and a screw post B are arranged in the lock body bottom box assembly; the safety bolt assembly is provided with a safety bolt and a push plate, the middle of the push plate is provided with a slide way, the end of the push plate is provided with a driving notch, the front side of the driving notch is provided with a front sticking point, and the rear side of the driving notch is provided with a rear sticking point; one end of the spring strip is provided with a circular ring; the safety bolt driver is shaped like a rhombus, the obtuse angles of the safety bolt driver are provided with transition cambers, the two groups of opposite sides of the rhombus are respectively formed into first self-locking opposite sides and second self-locking opposite sides, and a driving pawl is arranged at the obtuse angle of one side of the safety bolt driver. The spring strip is respectively in contact with the second self-locking opposite sides and the first self-locking opposite sides of the safety bolt driver and is compressed, so that the safety bolt can extend out and retract to implement a self-locking effect, moreover, the cooperation between the spring strip and the transition cambers ensures that the hand feeling is smooth when the safety is opened and closed, and the silencing effect is obvious.
Description
technical field [0001] The invention relates to a hardware door lock accessory, in particular to an anti-theft lock body part. Background technique [0002] At present, the lock bodies with safety tongues widely used in the market all use three-turn torsion springs to reset and return. Contents of the invention [0003] The invention provides a safety tongue structure of a lock body, the purpose of which is to improve the installation situation, improve the use feel of the lock body, and achieve a good mute effect. [0004] The technical scheme adopted in the present invention is: a lock body bottom box assembly, a safety tongue assembly, a shrapnel, and a safety tongue dial are set. The front side of the lock body bottom box assembly is provided with a safety tongue hole, the bottom is provided with a screw post A, a dial hole and a screw post B, and the inside of the safety tongue hole is provided with a guide post; the safety tongue assembly is provided with a safety t...
Claims
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Login to View More IPC IPC(8): E05B15/12E05B15/10
Inventor 覃孔华汤继高
Owner GUANGDONG MINGMEN LOCKS IND