CN217557980U - Multi-combination low-mutual-opening lock cylinder and lock thereof - Google Patents

Abstract

The utility model discloses a multi-combination low-mutual-opening lock core and a lock thereof, which comprises a key, a lock shell, a lock core and a rotating bar, wherein a plurality of groups of blade springs, U-shaped groove blades and V-shaped groove blades matched with the key are arranged in a step-shaped blade hole in the transverse direction of a lock hole of the lock core; the lock core is characterized in that the axial outer wall of the lock core is provided with a locking edge groove communicated with the lock shell hole along the radial direction, the inner side of the lock shell is provided with a yielding edge groove corresponding to the upper part of the locking edge groove, a locking edge pin which is in clutch connection with the yielding edge groove in the lock shell to limit the rotation of the lock core is arranged in the locking edge groove, the lock core corresponding to the locking edge groove is also provided with a reset sealing sheet and a reset spring, and the reset spring is abutted against the upper side of the locking edge pin and pushes the lower end of the locking edge pin to be in elastic contact with a U-shaped groove blade and a V-shaped groove blade to control the locking edge pin to be clamped in the locking edge groove and the yielding edge groove in a suspension sliding manner; the U-shaped groove blade, the V-shaped groove blade and the key tooth are matched to avoid technical unlocking, reduce mutual opening rate and effectively improve anti-theft capacity.

Description

Multi-combination low-mutual-opening lock cylinder and lock thereof

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the tool to lock technique and specifically relates to a low lock core of mutually opening of multiunit combination and tool to lock thereof.

[ background of the invention ]

The lock in the prior art has various types, most lock core locking functions respectively realize single locking functions through special-shaped blades or mechanical marbles, so that the lock has the advantages of single structure, poor anti-theft capability, high mutual unlocking rate, incapability of effectively avoiding technical unlocking and less secret key amount of a lock core key.

In addition, in the prior art, the blades of the blade lock cylinder are all controlled to be locked and unlocked by matching the V-shaped structures with the V-shaped grooves and the lock pins, the V-shaped grooves of the blades are matched with the V-shaped parts of the lock pins, the lock pins are controlled to move to lock and unlock by utilizing the inclination, the lock pins are easily unlocked technically by the force of the return springs on the lock pins, the lock can be unlocked by the keys of the lock, and the defects of mutual unlocking and technical unlocking are caused.

[ Utility model ] content

The utility model provides a multiunit closes low mutual-opening lock core and tool to lock thereof avoids the technique and unblanks, has that the lock core is small, each other the rate of opening is low, effectively improves the theftproof ability.

The utility model provides a technical scheme that its technical problem adopted is:

a multi-combination low-mutual-opening lock cylinder comprises a key, a lock shell, a lock cylinder and a rotating strip, wherein the lock cylinder is sleeved in the lock shell, and the rotating strip is clamped at the inner end of the lock cylinder;

a plurality of groups of blade springs matched with the key, U-shaped groove blades transversely pushed by the blade springs and V-shaped groove blades transversely pushed by the blade springs are arranged in step-shaped blade holes transversely arranged in the lock hole of the lock core;

the lock comprises a lock core, a lock shell and a lock core, wherein the lock core is provided with a lock shell hole, the lock shell is provided with a lock core, the lock core is provided with a lock core hole, the lock core is provided with a lock core, the lock core is provided with a straight-line locking side groove which is communicated with the lock shell hole along the radial direction, the inner side of the lock shell is provided with an abdicating side groove which corresponds to the lock side groove, the abdicating side groove is internally provided with a locking side pin which is in clutch connection with the abdicating side groove in the lock shell to limit the rotation of the lock core, the locking side pin slides up and down along the radial direction of the lock core, the lock core corresponding to the locking side groove is also provided with at least one group of reset sealing sheets and reset springs which are in elastic contact connection with the upper side of the locking side pin to push the lower end of the locking side pin and U-shaped groove blades and V-shaped blades, and the reset springs are in contact with the upper side of the locking side pin to push the lower end of the locking side pin to be in elastic contact with the U-shaped blades and the V-shaped grooves to control the locking side pin to be in suspension sliding clamped in the locking side groove and the abdicating side groove.

Preferably, the blade end that the locking limit round pin corresponds the lock courage is T shape structure, what sunken being provided with respectively in locking limit round pin both ends is used for the spacing fixed spacing groove of reset spring, the mounting joint that resets is fixed in the spacing groove corresponds on the lock courage outer wall, and will reset spring is pressed to detain and is fixed in the spacing inslot.

Preferably, two surfaces of the key are symmetrical, each surface is provided with two snake-shaped tooth grooves with staggered heights and two tooth gaps, the two tooth gaps are respectively positioned at the edges of the upper side and the lower side of the key, and the tooth grooves and the tooth gaps are transversely changed; when the key is inserted into the keyhole of the lock core, the two snake-shaped tooth grooves with staggered heights and the two tooth gaps on the two sides of the key push the U-shaped groove blades and the V-shaped groove blades in the lock core to move transversely in a staggered mode, and after the V-shaped groove blades push the locking side pins to rise, the locking side pins are reset and sink into the linear clamping grooves formed by the U-shaped groove blades. When the thread groove of the key is matched with the thread gap, all the blades jointly generate a U-shaped combined with V-shaped combined locking side pin which can not protrude out of the clamping groove of the outer circle of the lock liner; on the contrary, when any one of the tooth grooves and the tooth gaps on the key is not in accordance with the tooth gaps on the key, all the blades cannot generate a U-shaped and V-shaped combined clamping groove for accommodating the locking side pin to prevent the locking side pin from protruding out of the outer circle of the lock cylinder together with the lock cylinder, the locking side pin protrudes out of the lock cylinder, the lock cylinder cannot rotate, and the lock cylinder cannot be opened.

Preferably, the U-shaped groove blades adopt 4 different blades with different structures, the V-shaped groove blades adopt 2 different blades with different structures, a group of three blades in each step-shaped blade hole of the lock core respectively consists of a V-shaped groove blade positioned in the middle and two U-shaped groove blades positioned on two sides, the lock core is provided with 5 step-shaped blade holes distributed in parallel, and two snake-shaped curve tooth flower grooves with staggered heights and two tooth flower gaps on two surfaces of the key push 2 types of 6 types of 15 blades in the lock core to move transversely in a staggered manner.

Preferably, the end part of the inner side of the lock core is provided with a three-fork clamp spring for clamping the rotating strip.

Preferably, the outer end part of the lock core is also sleeved with an anti-drilling piece for preventing the lock core from being damaged.

Preferably, the outer end of the lock cylinder is further sleeved with a positioning spring and a positioning steel ball which are used for positioning the lock cylinder and all blades on the lock cylinder along the radial direction, and a positioning groove matched with the positioning steel ball which is pressed and popped out from the outer wall of the lock cylinder is arranged on the corresponding inner wall of the lock shell hole of the lock shell.

A lock adopts the multi-combination low-mutual-opening lock cylinder.

The utility model has the advantages that:

the reset spring is abutted against the upper side of the locking edge pin and pushes the lower end of the locking edge pin to be in elastic contact with all the blades so as to control the locking edge pin to be clamped in the locking edge groove and the abdicating edge groove in a suspension and sliding manner, so that the whole structure is simple and convenient to assemble, install and fix; and the gliding joint of locking limit round pin suspension is in locking limit groove and the limit inslot of stepping down, prevents effectively that the locking limit round pin from taking off the groove or the card is dead, effectively improves the reliability of product.

Because the lock core, the key and the blade holes are in a step dislocation state, two snake-shaped curve tooth grooves with dislocation heights and two tooth gaps on two surfaces of the key push 2 types of 6 types of 15 blades in each lock core blade hole to move transversely in a staggered manner; three blades are arranged in one blade hole in the lock cylinder, two types of blades are arranged in one blade hole, one type of blade is provided with a U-shaped groove, the other type of blade is provided with a V-shaped groove, the V-shaped groove blade is arranged in the middle, the U-shaped groove blades are arranged on the left side and the right side, when a key is inserted into the lock cylinder, tooth patterns on two sides of the key control the V-shaped groove blades, the V-shaped groove blades firstly lift the locking side pin, then the locking side pin falls into straight strip-shaped grooves formed by all the U-shaped groove blades, 15 blades can be arranged on one lock cylinder, the mutual opening rate is effectively reduced, the technical unlocking is prevented, and the technical requirements of the high-end market of an intelligent lock on a spare lock cylinder are met.

[ description of the drawings ]

Fig. 1 is a schematic diagram of a front view explosion structure of the present invention;

FIG. 2 is a schematic view of the explosion structure of the key when the lock cylinder is taken out;

FIG. 3 is a schematic view of the sectional structure of the lock core;

FIG. 4 is a schematic top view of the lock core of the present invention;

FIG. 5 is a schematic perspective view of the lock core of the present invention;

fig. 6 is a schematic perspective view of the three-fork snap spring of the present invention;

FIG. 7 is a schematic perspective view of a locking side pin of the present invention;

FIG. 8 is a schematic perspective view of a key according to the present invention;

FIG. 9 is a schematic view of two types of V-shaped groove blades in the present invention;

fig. 10 is a schematic front view of four u-shaped groove blades of the present invention;

fig. 11 is a side view of the locking side pin of the present invention.

[ detailed description ] embodiments

A multi-combination low-mutual-opening lock core is applied to a lockset as shown in figures 1 to 11 and comprises a key 1, a lock shell 2, a lock cylinder 3 and a rotating strip 4, wherein the lock cylinder 3 is sleeved in the lock shell 2, the rotating strip 4 is clamped at the inner end of the lock cylinder 3, and a three-fork clamp spring 5 for clamping the rotating strip 4 is arranged at the end part of the inner side of the lock cylinder 3; 5 groups of blade springs 6 matched with the key 1, U-shaped blades 7 transversely pushed by the blade springs 6 and V-shaped groove blades 8 transversely pushed by the blade springs 6 are arranged in the step-shaped blade holes 30 transversely arranged in the lock hole of the lock core 3; the axial outer wall of the lock core 3 is provided with a linear locking side groove 9 which is communicated with a lock shell hole 20 along the radial direction, the inner side of the lock shell 2 corresponding to the upper part of the locking side groove 9 is provided with a yielding side groove 10, the locking side groove 9 is internally provided with a locking side pin 11 which is in clutch connection with the yielding side groove 10 in the lock shell 2 to limit the rotation of the lock core 3, the locking side pin 11 slides up and down along the radial direction of the lock core 3 in the locking side groove 9, the locking side pin 11 corresponding to the blade end 111 of the lock core 3 is in a T-shaped structure, the lock core 3 corresponding to the locking side groove 9 is also provided with two groups of reset sealing sheets 12 and reset springs 13 which are in contact with the upper side of the locking side pin 11 to push the lower end of the locking side pin 11 to be in elastic contact with the U-shaped blades 7 and the V-shaped blades 8, the two ends of the locking side pin 11 are respectively provided with a concave limiting groove 110 for limiting and fixing the reset spring 13, and the reset sealing sheets 12 are clamped and fixed on the outer wall of the lock core 3 corresponding to the limiting groove 110 and press and fix the reset spring 13 in the limiting groove 110; the return spring 13 is abutted against the upper side of the locking edge pin 11 to push the lower end of the locking edge pin 11 to be elastically contacted with the U-shaped blade 7 and the V-shaped groove blade 8 so as to control the locking edge pin 11 to be clamped in the locking edge groove 9 and the abdicating edge groove 10 in a suspended sliding manner.

As shown in fig. 1 to 4, an anti-drilling piece 14 for preventing the lock core 3 from being damaged is further inserted and sleeved at the outer end of the lock core 3, a positioning spring 15 and a positioning steel ball 16 for positioning the lock core 3 and all blades thereon are further sleeved at the outer end of the lock core 3 along the radial direction, and a positioning groove 17 matched with the positioning steel ball 16 which is pressed and popped out by the outer wall of the lock core 3 is arranged on the inner wall of a lock shell hole 20 of the corresponding lock shell 2.

As shown in fig. 1, 2, 8 to 10, the key 1 has two symmetrical surfaces, each surface is provided with two snake-shaped tooth grooves 19 with different heights and two tooth gaps 18, the two tooth gaps 18 are respectively located at the upper and lower edges of the key 1, and the tooth grooves and the tooth gaps are transversely changed; as shown in fig. 3 and 4, when the key 1 is inserted into the keyhole of the cylinder 3, the two high-low dislocated serpentine-shaped teeth grooves 19 and two teeth notches 18 on both sides of the key 1 push the u-shaped blade 7 and the V-shaped blade 8 in the cylinder 3 to move transversely in a staggered manner, and after the V-shaped blade 8 pushes the locking edge pin 11 to rise, the locking edge pin 11 is reset and sinks into the linear slot formed by the u-shaped blade 7. Moreover, the U-shaped blades 7 have 4 different structures, the V-shaped blades 8 have 2 different structures, and a group of three blades in each step-shaped blade hole of the lock core 3 respectively consists of one V-shaped blade 8 in the middle and two U-shaped blades 7 on two sides, and the lock core 3 is provided with 5 step-shaped blade holes distributed in parallel, so that two snake-shaped curved tooth grooves with staggered heights and two tooth gaps on two sides of the key 1 push 2 types of 6 types of 15 blades in the lock core 3 to move transversely in a staggered manner.

When in use, when the tooth grooves and the tooth gaps of the key 1 are matched, all the blades jointly generate a U-shaped and V-shaped combined clamping groove for accommodating the locking side pin 11 so as not to protrude out of the excircle of the lock core 3; on the contrary, when any one of the tooth grooves and the tooth gaps on the key 1 is not in accordance, all the blades cannot generate a U and V combined clamping groove for accommodating the locking side pin 11 together with the lock core 3 so that the locking side pin 11 cannot protrude out of the excircle of the lock core 3, the locking side pin 11 protrudes out of the lock core 3, the lock core 3 cannot rotate, and the lock core cannot be opened.

The above-mentioned embodiments are only preferred embodiments of the present invention, not limiting the scope of the present invention, so that the equivalent changes made according to the shape, structure and principle of the present invention should be covered by the protection scope of the present invention.

Claims (8)

1. A multi-combination low-mutual-opening lock cylinder comprises a key, a lock shell, a lock cylinder and a rotating strip, wherein the lock cylinder is sleeved in the lock shell, and the rotating strip is clamped at the inner end of the lock cylinder; the method is characterized in that:

a plurality of groups of blade springs matched with a key, U-shaped groove blades transversely pushed by the blade springs and V-shaped groove blades transversely pushed by the blade springs are arranged in step-shaped blade holes transversely arranged in the lock hole of the lock cylinder;

the lock core is characterized in that the axial outer wall of the lock core is provided with a linear locking side groove communicated with the lock shell hole along the radial direction, the inner side of the lock shell is provided with a yielding side groove corresponding to the upper part of the locking side groove, the locking side groove is internally provided with a locking side pin which is in clutch connection with the yielding side groove in the lock shell to limit the rotation of the lock core, the locking side pin slides up and down in the locking side groove along the radial direction of the lock core, the lock core corresponding to the locking side groove is also provided with at least one group of reset sealing sheets and reset springs which are in elastic contact with the upper side of the locking side pin to push the lower end of the locking side pin to be in contact with the U-shaped groove blade and the V-shaped groove blade, and the reset springs are in contact with the upper side of the locking side pin to push the lower end of the locking side pin to be in elastic contact with the U-shaped groove blade and the V-shaped groove blade to control the locking side pin to be in sliding in suspension and in the yielding side groove.

2. The multi-combination low-mutual-opening lock cylinder according to claim 1, wherein the blade end of the locking side pin corresponding to the lock cylinder is of a T-shaped structure, the two ends of the locking side pin are respectively provided with a limiting groove for limiting and fixing the return spring in a concave manner, and the return sealing piece is clamped and fixed on the outer wall of the lock cylinder corresponding to the limiting groove and fixes the return spring in the limiting groove in a pressing manner.

3. The multi-combination low-mutual-opening lock cylinder according to claim 1, wherein the key is symmetrical on both sides and is provided with two snake-shaped tooth grooves with staggered heights and two tooth gaps on each side, the two tooth gaps are respectively positioned on the edges of the upper and lower sides of the key, and the tooth grooves and the tooth gaps are transversely changed; when the key is inserted into the key hole of the lock core, the two snake-shaped tooth grooves with staggered heights and the two tooth gaps on the two surfaces of the key push the U-shaped groove blades and the V-shaped groove blades in the lock core to do transverse staggered movement, and after the V-shaped groove blades push the locking edge pins to rise, the locking edge pins reset and sink into the linear clamping grooves formed by the U-shaped groove blades.

4. The multi-combination low-mutual-opening lock cylinder according to claim 3, characterized in that the U-shaped groove blades adopt 4 different blades, the V-shaped groove blades adopt 2 different blades, one set of three blades in each stepped blade hole of the lock core respectively consists of a V-shaped groove blade in the middle and two U-shaped groove blades on both sides, the lock core is provided with 5 stepped blade holes distributed in parallel, and two serpentine curved tooth grooves with staggered heights and two tooth gaps on both sides of the key push 2, 6 and 15 blades in the lock core to move transversely in a staggered manner.

5. The multi-combination low-mutual-opening lock cylinder according to claim 1, wherein a trifurcate clamp spring for clamping the rotating strip is arranged at the end of the inner side of the lock cylinder.

6. The multi-combination low-mutual-opening lock cylinder as claimed in claim 1, wherein the outer end of the lock cylinder is further sleeved with an anti-drilling piece for preventing the lock cylinder from being damaged.

7. The multi-combination low-mutual-opening lock cylinder as claimed in claim 1, wherein the outer end of the lock cylinder is further sleeved with a positioning spring and a positioning steel ball for positioning the lock cylinder and all the blades thereon along the radial direction, and the inner wall of the lock case hole of the corresponding lock case is provided with a positioning groove matched with the positioning steel ball which is pressed and popped out from the outer wall of the lock cylinder.

8. A lock, characterized in that the lock adopts a multi-combination low mutual-opening lock cylinder as claimed in any one of claims 1 to 7.

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