Lock adopting idle lock cylinders with double-row pin tumblers
A technology of pins and lock cylinders, which is applied to locks with rotating keys, cylinder pin locks, building locks, etc., which can solve problems such as locks not being used normally, and achieve the effect of improving reliability and prolonging service life
Active Publication Date: 2012-02-29
雷先鸣
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Problems solved by technology
[0005] In the present invention, the tail of the lock pin in the lock core of the prior art is changed into a tapered shape to cooperate with the tapered groove on the step at the tail of the lock body, and the lock pin return spring is canceled, so the problem caused by the loss of elasticity of the lock pin return spring can be completely solved. The problem that the lock cannot be used normally improves the reliability of the lock and prolongs the service life
Method used
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[0012] See Figure 1 to Figure 3 , the lock adopting the double-row tumbler idling lock cylinder, including the lock body 2, the front lock cylinder 1 and the rear lock cylinder 11 in the lock body 2; Pins 14; lock side columns 6 that can move axially that can be matched with the V-shaped grooves 15 on the pins 14 are respectively provided in the locking side column grooves that are symmetrically arranged on the front lock core 1; There is a stepped groove 7, and the upper part of the locking side column groove is provided with a card 8 that matches the stepped groove 7 on the locking side column, and a sleeve 3 is set on the front and rear lock cylinders, and the sleeve 3 and the locking A locking side post radial return spring 5 is provided between the side posts 6, and a locking side post axial return spring 4 is provided between the locking side post 6 and the end wall of the locking side post groove; The lock pin 9 is placed in the lock pin chute 17 corresponding to the ...
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The invention discloses a lock adopting idle lock cylinders with double-row pin tumblers, comprising a front lock cylinder and a rear lock cylinder, which are arranged in a lock body. The front lock cylinder is provided with double-row pin tumblers with V-shaped grooves symmetrically along the axis. Locking side columns which can match the V-shaped grooves on the pin tumblers and move axially arerespectively arranged in locking side column grooves symmetrically arranged on the front lock cylinder. The rear lock cylinder is provided with a lock pin. A step for stopping the rear lock cylinder is arranged at the tail of the lock body. A sleeve is fixed on the front lock cylinder and is sleeved on the rear lock cylinder. The sleeve is in clearance fit with the rear lock cylinder. An elastic ball plunger is arranged between the sleeve and the rear lock cylinder. The tail of the lock pin is cone-shaped and a cone-shaped groove matched with the tail of the lock pin is arranged on the step at the tail of the lock body. The lock removes the lock pin return spring in the prior art, thus being capable of completely solving the problem that the lock can not be used normally because the lock pin return spring loses elasticity, enhancing the lock reliability and prolonging the service life.
Description
technical field [0001] The invention belongs to mechanical locks, and relates to a lock adopting a double-row pin idling lock core. Background technique [0002] There is a class of locks in mechanical locks that use idling lock cylinders. The lock cylinders of these locks are composed of front and rear lock cylinders. The clutch between the front lock cylinder and the rear lock cylinder is usually realized by a clutch structure. Chinese patent application 200810030910.9 discloses a clutch structure for an idle lock cylinder. The clutch structure includes a lock pin and a lock pin return spring arranged in the rear lock core, and the clutch of the front and rear lock cores is realized by the lock pin entering or withdrawing from the front lock core. This clutch structure has found some shortcomings during the use process. Due to the frequent unlocking and closing for a long time, the lock pin return spring will have metal fatigue and its elasticity will be weakened. In addi...
Claims
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IPC IPC(8): E05B27/10E05B15/00E05B15/12
Inventor 雷先鸣
Owner 雷先鸣