CN111593955B

CN111593955B - Push-open type mechanical lock cylinder

Info

Publication number: CN111593955B
Application number: CN201910128571.6A
Authority: CN
Inventors: 原婧; 朱乔慧
Original assignee: Taiyuan Jingyue Security Technology Co ltd
Current assignee: Taiyuan Jingyue Security Technology Co ltd
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2021-10-08
Anticipated expiration: 2039-02-21
Also published as: CN111593955A

Abstract

The invention relates to a push-to-open mechanical lock core, which belongs to the technical field of anti-theft lock cores and particularly comprises a lock core shell, a shifting fork rotating shaft arranged in the lock core shell, a shifting fork arranged on the shifting fork rotating shaft, a cylindrical movable lock core, a secret key piece, a key piece support, an anti-shifting safety piece and a safety piece pushing support, wherein the cylindrical movable lock core is used for driving the safety piece pushing support, the anti-shifting safety piece and the key piece to move upwards through a multi-link mechanism, the key piece is inserted into a limit through hole corresponding to a key, the key controls the movement of the secret key piece and limits the movement distance of the secret key piece to open, and the number of the secret key pieces is increased and the key amount is increased by increasing the movement distance of the secret key pieces, the service life of the anti-theft lock is prolonged, and the anti-theft lock is more flexible and convenient to open.

Description

Push-open type mechanical lock cylinder

Technical Field

The invention relates to a push-to-open type mechanical lock cylinder, and belongs to the technical field of anti-theft lock cylinders.

Background

The existing mechanical lock core is mainly inserted into a lock hole by a key, namely the lock core combined with lock core pins in place is completed, and the common feature is that the lock core pins can be continuously and rapidly shifted by the key. The lock core is opened by controlling the movement of the lock core pins through the contact of the key and the lock core pins, although the safety of the lock core can be improved by changing the arrangement quantity, shape change and arrangement complexity of the lock core pins, the service life of the lock core is shortened due to the problems of abrasion and deformation caused by the contact between the key and the lock core pins, and meanwhile, the phenomena that the lock core cannot rotate, is blocked and the like are easily caused due to abrasion.

Disclosure of Invention

In order to solve the technical problems in the prior art, the invention provides the push-to-open type mechanical lock cylinder which is simple in structure and reasonable in design and increases the key amount by increasing the encryption key piece and changing the moving distance of the encryption key piece.

In order to achieve the purpose, the invention adopts the technical scheme that the pushing opening type mechanical lock cylinder comprises a lock cylinder shell, a shifting fork rotating shaft arranged in the lock cylinder shell, a shifting fork arranged on the shifting fork rotating shaft, a cylindrical movable lock cylinder, a lock cylinder length adjusting sheet, a secret key sheet support, an anti-shifting safety sheet and a safety sheet pushing support, wherein a key slot is arranged in the cylindrical movable lock cylinder, a key is inserted in the key slot, the cylindrical movable lock cylinder is arranged in the lock cylinder shell, the cylindrical movable lock cylinder and the shifting fork rotating shaft are coaxially arranged, the end part of the cylindrical movable lock cylinder is provided with a lock cylinder length adjusting sheet, the lock cylinder length adjusting sheet is inserted in an adjusting long hole at the end part of the shifting fork rotating shaft, the two ends of the cylindrical movable lock cylinder are respectively provided with a support fixing sheet, and the lower part of the support fixing sheet is provided with a limiting long hole, the novel anti-theft lock is characterized in that a mounting groove is formed in the cylindrical movable lock core, a secret key piece support is mounted in the mounting groove, a spring piece is arranged between the top of the secret key piece support and the mounting groove, a plurality of secret key pieces are mounted in the secret key piece support, a plurality of limiting through holes which are matched with the secret key pieces and have different widths are formed in the key, a safety piece pushing support is mounted at the bottom of the secret key piece support, a plurality of anti-theft safety pieces are mounted in the safety piece pushing support, a reset spring is arranged between the anti-theft safety pieces and the safety piece pushing support, the anti-theft safety pieces correspond to the secret key pieces one to one, cambered surface contact is adopted between the secret key piece support and the safety piece pushing support and between the secret key pieces and the anti-theft safety pieces, pin shafts are respectively arranged on two sides of the safety piece pushing support and are mounted in the limiting through holes, and lifting pieces are arranged between the safety piece pushing support and the bottom of the lock core shell, and the two ends of the lifting piece are respectively connected to the safety piece pushing support and the bottom of the lock cylinder shell.

Preferably, the key sheet is provided with a plurality of steps, the bottom of the key sheet is provided with a convex cambered surface, the middle of the anti-poking safety sheet is provided with a bulge, the bulge is provided with a concave cambered surface matched with the convex cambered surface, and the bottom of the anti-poking safety sheet is provided with a spring fixing groove.

Preferably, the key cartridge is in the key slot, promotes the key and drives cylindricality movable lock core forward movement, promotes the piece simultaneously and pushes up and move the safety piece and promote the support, makes the anti-theft safety piece upwards push up and move secret key piece, and the key piece cartridge is in the spacing through-hole of key, secret key piece bottom and cylindricality movable lock core constitute complete cambered surface, twist the key, cylindricality movable lock core rotates.

Preferably, the length of the lock cylinder length adjusting sheet is adjusted to control the length of the whole lock cylinder.

Preferably, the amount of the key is controlled by adjusting the number of the key pads and the moving distance of the key pads.

Preferably, the key piece support mainly comprises upper bracket and lower carriage, the tip of upper bracket sets up the top closure piece, be provided with interior separation blade and two outer separation blades on the lower carriage, two outer separation blades set up the tip both sides at the lower carriage, and two outer separation blades lie in the coplanar with the top closure piece, interior separation blade lies in the inboard of two outer separation blades, and interior separation blade lies in the central line of two outer separation blades, be provided with on the key with top closure piece complex spout and with interior separation blade complex separation blade through-hole, the both sides of key be provided with two outer separation blade complex draw-in grooves.

Compared with the prior art, the invention has the following technical effects: the anti-theft lock is simple in structure and reasonable in design, changes the unlocking mode of the existing lock core, controls the movement of the key blade by using the key and limits the movement distance of the key blade to realize unlocking, increases the key amount by increasing the number of the encryption key blades and changing the movement distance of the key blade, has good anti-theft performance, and improves the safety performance of the anti-theft lock; meanwhile, the key sheet is directly inserted into the corresponding limiting through hole on the key, so that the friction between the key and the key sheet is reduced, the service life of the anti-theft lock is prolonged, and the anti-theft lock is more flexible and convenient to open.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a schematic cross-sectional structure of the present invention.

Fig. 4 is a schematic structural view of the present invention with the lock cylinder housing removed.

Fig. 5 is a schematic structural view of a key pad and a tamper proof security pad according to the present invention.

Fig. 6 is a schematic structural view of the movable lock core, the key pad and the anti-pick security pad of the present invention.

Fig. 7 is a schematic structural view of a key pad holder and a security pad pushing holder according to the present invention.

Fig. 8 is a schematic view of the structure of the key of the present invention.

Fig. 9 is a schematic structural view of a key pad holder according to the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 8, the push-open mechanical lock cylinder comprises a lock cylinder housing 1, a shifting fork rotating shaft 2 installed in the lock cylinder housing, a shifting fork 3 installed on the shifting fork rotating shaft, a cylindrical movable lock cylinder 4, a lock cylinder length adjusting piece 5, a key piece 6, a key piece support 7, a shift-preventing safety piece 8 and a safety piece pushing support 9, wherein a key slot 10 is arranged in the cylindrical movable lock cylinder 4, a key 11 is inserted into the key slot 10, the cylindrical movable lock cylinder 4 is installed in the lock cylinder housing 1, the cylindrical movable lock cylinder 4 is coaxially arranged with the shifting fork rotating shaft 2, the lock cylinder length adjusting piece 5 is installed at the end of the cylindrical movable lock cylinder 1, the lock cylinder length adjusting piece 5 is inserted into an adjusting long hole 12 at the end of the shifting fork rotating shaft, support fixing pieces 13 are respectively installed at both ends of the cylindrical movable lock cylinder 4, and a limiting long hole 14 is installed at the lower part of the support fixing piece 13, a mounting groove 15 is arranged in the cylindrical movable lock core 3, a secret key piece support 7 is arranged in the mounting groove 15, a spring piece 16 is arranged between the top of the secret key piece support 7 and the mounting groove 15, a plurality of secret key pieces 6 are arranged in the secret key piece support 7, a plurality of limiting through holes 18 which are matched with the secret key pieces and have different widths are arranged on the key 11, a safety piece pushing support 9 is arranged at the bottom of the secret key piece support 7, a plurality of anti-poking safety pieces 8 are arranged in the safety piece pushing support 9, a reset spring 19 is arranged between the anti-poking safety pieces 8 and the safety piece pushing support 9, the anti-poking safety pieces 8 are in one-to-one correspondence with the secret key pieces 6, the secret key piece support 7 is in arc surface contact with the safety piece pushing support 9, the secret key pieces 6 are in arc surface contact with the anti-poking safety pieces 8, pin shafts 20 are respectively arranged on two sides of the safety piece pushing support 9 and are arranged in the limiting long holes 14, a lifting piece 21 is arranged between the safety piece pushing support 9 and the bottom of the lock cylinder shell 1, and two ends of the lifting piece 21 are respectively jointed at the bottom of the safety piece pushing support 9 and the bottom of the lock cylinder shell 1.

Wherein, be provided with multistage step 22 on the key piece 6, the bottom of key piece 6 is provided with protruding cambered surface 23, and the middle part of preventing dialling safety piece 8 is provided with arch 24, is provided with on the arch 24 with protruding cambered surface complex concave cambered surface 25, and the bottom of preventing dialling safety piece 8 is provided with spring fixed slot 17.

When the invention is used, the key 11 is inserted into the key slot 10, the key 11 is pushed forwards, and the key 11 drives the cylindrical movable lock cylinder 4 to move forwards. Because the safety sheet promotes promotion piece 21 of support 9 and constitutes many connecting rod structures, when cylindricality movable lock core 4 moves forward, promotion piece 21 rotates, upwards promotes the safety sheet simultaneously and promotes support 9, and the safety sheet promotes support 9 and upwards removes, and round pin axle 20 plays limiting displacement in spacing slot hole 14, and the safety sheet promotes support 9 and promotes and prevent dialling safety sheet 8 rebound, promotes secret key piece 6 rebound under reset spring 19's effect, and key piece 6 inserts in the spacing through-hole 18 of key 11. When the key sheet 6 is matched with the limiting through hole 18, the key sheet 6 and the cylindrical movable lock cylinder 4 form a complete arc surface, the key is screwed, the cylindrical movable lock cylinder 4 rotates, the key sheet 6 rotates along with the cylindrical movable lock cylinder 4, and the key sheet 6 is not separated from the anti-dialing safety sheet 8, so that the cylindrical movable lock cylinder 4 drives the lock cylinder length adjusting sheet 5, the shifting fork rotating shaft 2 and the shifting fork 3 to rotate, and unlocking is realized; after the key 11 is reset, the spring plate 16 resets the key plate 6. When the limiting through hole 18 on the key 11 is not matched with the key sheet 6, the moving distance of the key sheet 6 cannot be accurately controlled, so that the key sheet 6 and the cylindrical movable lock cylinder 4 form a complete arc surface, the key sheet 6 is clamped on the lock cylinder shell 1, the cylindrical movable lock cylinder 4 cannot be rotated, and the key cannot be opened.

As shown in fig. 8 and 9, the key holder 7 mainly comprises an upper holder 26 and a lower holder 27, an upper sealing plate 28 is disposed at an end of the upper holder 26, an inner blocking plate 29 and two outer blocking plates 30 are disposed on the lower holder 27, the two outer blocking plates 30 are disposed at two sides of the end of the lower holder 27, the two outer blocking plates 30 and the upper sealing plate 28 are located on the same plane, the inner blocking plate 29 is located inside the two outer blocking plates 30, the inner blocking plate 29 is located on a central line of the two outer blocking plates 30, a sliding slot 31 matched with the upper sealing plate and a blocking plate through hole 33 matched with the inner blocking plate 29 are disposed on the key 11, and two slots 32 matched with the two outer blocking plates are disposed at two sides of the key 11. After the key is completely inserted into the key slot 10, the upper sealing plate 28 is located in the sliding slot 31, when the key plate support 7 moves upwards, the inner blocking plate 29 is inserted into the blocking plate through hole 33 on the key 11, and the two outer blocking plates 30 are respectively inserted into the clamping slots 32 on the key 11, so that the complete sealing of the key hole can be ensured, and the safety performance is improved.

In addition, the length of the whole lock cylinder is controlled by adjusting the length of the lock cylinder length adjusting sheet 5, so that the use of doors with different thicknesses is met. The key amount is controlled by adjusting the number of the key pieces and the moving distance of the key pieces, so that the anti-theft performance is good, and the safety performance of the anti-theft lock is improved.

The present invention is not limited to the above preferred embodiments, but rather, any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. Promote open-type mechanical lock core, include lock core shell and install the shift fork axis of rotation in the lock core shell and install the shift fork in the shift fork axis of rotation, its characterized in that: still include cylindricality movable lock core, lock core length adjustment piece, secret key piece, key piece support, prevent dialling safety piece and promote the support, be provided with the key slot in the cylindricality movable lock core, the key is equipped with in the interpolation of key slot, cylindricality movable lock core is installed in the lock core shell, cylindricality movable lock core and the coaxial setting of shift fork axis of rotation, and the tip of cylindricality movable lock core installs lock core length adjustment piece, lock core length adjustment piece cartridge is in the regulation slot hole of shift fork axis of rotation tip, the support stationary blade is still installed respectively at the both ends of cylindricality movable lock core, the lower part of support stationary blade is provided with spacing slot hole, be provided with the mounting groove in the cylindricality movable lock core, install secret key piece support in the mounting groove, be provided with the spring leaf between the top of key piece support and the mounting groove, install a plurality of secret key pieces in the key piece support, the key is provided with a plurality of limiting through holes which are matched with the key pieces and have different widths, the bottom of the key piece support is provided with a safety piece pushing support, a plurality of anti-poking safety pieces are arranged in the safety piece pushing support, a reset spring is arranged between the anti-poking safety pieces and the safety piece pushing support, the anti-poking safety pieces correspond to the key pieces one by one, arc surface contact is adopted between the key piece support and the safety piece pushing support and between the key pieces and the anti-poking safety pieces, pin shafts are respectively arranged on two sides of the safety piece pushing support and are arranged in the limiting through holes, lifting pieces are arranged between the safety piece pushing support and the bottom of the lock cylinder shell, and two ends of each lifting piece are respectively connected to the bottom of the safety piece pushing support and the lock cylinder shell; the anti-poking safety key is characterized in that a multi-stage step is arranged on the key sheet, a convex cambered surface is arranged at the bottom of the key sheet, a protrusion is arranged in the middle of the anti-poking safety sheet, a concave cambered surface matched with the convex cambered surface is arranged on the protrusion, and a spring fixing groove is arranged at the bottom of the anti-poking safety sheet;

the length of the lock cylinder length adjusting sheet is adjusted to control the length of the whole lock cylinder; and adjusting the number of the secret key pieces and the moving distance of the secret key pieces to control the key amount.

2. The push to open mechanical lock cylinder of claim 1, wherein: the key cartridge promotes the key and drives cylindricality movable lock core forward movement in the key slot, promotes the piece simultaneously and pushes up and move the safety chip and promote the support, makes and prevents dialling the safety chip and upwards push up and move secret key piece, and the key piece cartridge is in the spacing through-hole of key, secret key piece bottom and cylindricality movable lock core constitute complete cambered surface, twist and move the key, cylindricality movable lock core rotates.

3. The push to open mechanical lock cylinder of claim 1, wherein: the key piece support mainly comprises an upper support and a lower support, the end part of the upper support is provided with an upper sealing piece, the lower support is provided with an inner blocking piece and two outer blocking pieces, the two outer blocking pieces are arranged on two sides of the end part of the lower support, the two outer blocking pieces and the upper sealing piece are located on the same plane, the inner blocking piece is located on the inner sides of the two outer blocking pieces, the inner blocking piece is located on the central line of the two outer blocking pieces, the key is provided with a sliding groove matched with the upper sealing piece and a blocking piece through hole matched with the inner blocking piece, and two sides of the key are provided with clamping grooves matched with the two outer blocking pieces.