CN2555331Y

CN2555331Y - Cylinder lock

Info

Publication number: CN2555331Y
Application number: CN 02242158
Authority: CN
Inventors: 陈冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-22
Filing date: 2002-07-22
Publication date: 2003-06-11
Anticipated expiration: 2012-07-22

Abstract

The utility model relates to a cylinder lock which comprises a lock body, a lock core and a key, wherein the lock body is sheathed at the outer edge of the lock core, a lock block and a plurality of wedge-shaped cylinders are arranged in the lock core, the wedge-shaped cylinders and the lock block are arranged in a vertical mode, and one side of each of the wedge-shaped cylinders is provided with pin accommodating holes. The lock block is provided with a plurality of lock pins matched with the pin accommodating holes, and the lock body is provided with a fan-shaped locking groove which can clamp the bottom of the lock block. The bottom of one side of the wedge-shaped cylinders which have no the pin accommodating holes is hollow, the upper part forms a V shape and is provided with two symmetrical inclined surfaces, the tooth surface of the key corresponding to the inclined surfaces are also corresponding inclined surfaces, and the axial line of the key is parallel to the center connecting line of the wedge-shaped cylinders. The wedge-shaped cylinders of the utility model can be arranged in multiple ways, so the utility model can not be opened in a technology mode, and has good safety.

Description

Cylinder lock

Technical field

The utility model belongs to field of lockset, particularly relates to a kind of cylinder lock.

Prior art

The kind of lockset is quite various, and wherein cylinder lock is simple in structure because of it, and volume is small and exquisite and become most widely used a kind of lockset.Common cylinder lock comprises lock body, lock core and key, lock core is located in the lock body, lock dog and several pellets shot from a slingshot are arranged in the lock core, the compound mode of the arrangement height of these pellets shot from a slingshot is a lot, have only when the tooth depth of key fits like a glove with it, just can push pellet shot from a slingshot and put in place, free lock dog, and then rotational lock core be unblanked.Therefrom as can be seen, it is to utilize the variation of this key element of height that pellet shot from a slingshot arranges to realize the safety of locking in fact.But for some " master-hand ",, can distinguish the locus of pellet shot from a slingshot, arrange and unblank that Here it is said in the industry " technical opening " thereby crack pellet shot from a slingshot from the difference of feel by touching pellet shot from a slingshot with instrument.On the other hand, in the existing cylinder lock, the cooperation of lock dog and lock body is the cooperation of the concavo-convex conical surface, and both touch in different positions, and the moment of generation is different, can bring the nuance on the feel thus, and this also makes technical opening, and there is a crack to squeeze through.

Summary of the invention

To be solved in the utility model is the problem that cylinder lock can technical opening, provides a kind of and can't carry out technical opening, the better cylinder lock of safety.

For this reason, the utility model has adopted following technical scheme: cylinder lock, comprise lock body, lock core and key, lock body sheath is in the lock core outer rim, lock dog and several wedge shape pellets shot from a slingshot are housed in the lock core, wedge shape pellet shot from a slingshot and lock dog are vertical setting, wedge shape pellet shot from a slingshot one side is provided with the appearance pin-and-hole, has several on the lock dog and holds the lock pin that pin-and-hole matches, and lock body is provided with fan-shaped sealed groove, can block the lock dog bottom, the wedge shape pellet shot from a slingshot does not have the bottom hollow out of holding pin-and-hole one side, and its top is V-shaped, has the inclined-plane of two symmetries, the key flank of tooth corresponding with it also is corresponding inclined-plane, and the key axis is parallel to the line of centres of wedge shape pellet shot from a slingshot.

The utility model can adopt following further technical scheme: be provided with locking ball between lock body and lock core, have retainer spring that locking ball is inwardly contacted on the lock body, and its part is entered in the location taper hole on the lock core; Also be provided with pull bar on the lock dog, pull bar stretches in the lock core, has back-moving spring above, its elastic force less than retainer spring direction relative with retainer spring, pull bar and lock dog contact mutually with locking ball under the effect of back-moving spring; The bottom surface of lock dog and facade are the plane that intersects vertically.The bottom of wedge shape pellet shot from a slingshot is provided with limited block, and lock body is provided with stopper slot with matching.

As technical scheme further, lock body of the present utility model is provided with anti-drilling sheet at the key inserting surface, the decorative pearl on top of an official cap is housed in the lock core and decorative pearl on top of an official cap spring outwards pushes up anti-drilling sheet, and the lock body outer is blocked anti-drilling sheet it can not come off simultaneously.

The arrangement of wedge shape pellet shot from a slingshot can be orderly in the utility model, also can be unordered.In the time of wedge shape pellet shot from a slingshot lack of alignment, the height of the appearance pin-and-hole of at least two wedge shape pellets shot from a slingshot is inconsistent; Angle between the axial line of at least two wedge shape pellet shot from a slingshot appearance pin-and-holes is greater than 0 °.In other words, all on sustained height, not all wedge shape pellet shot from a slingshot holds pin-and-hole and all is in same angle the appearance pin-and-hole of not all wedge shape pellet shot from a slingshot.Suppose to be equipped with in the cylinder lock N wedge shape pellet shot from a slingshot, then their appearance pin-and-hole may be on two different height, also may be on three different height, has N differing heights at most; Simultaneously, these hold pin-and-hole and have two different angles, also have three different angles, have N different angle at most.

Cylinder lock of the present utility model is when locking states, and each wedge shape pellet shot from a slingshot is positioned at initial position, and the appearance pin-and-hole of pellet shot from a slingshot is unordered, its distance, highly, angle arranges by certain combination, pull bar contacts mutually with locking ball, and lock dog is stuck in the sealed groove of lock body, and lock core can't be rotated; When inserting key, the key flank of tooth touches the inclined-plane of wedge shape pellet shot from a slingshot end one side, and the rotation of wedge shape pellet shot from a slingshot is raise, and the stopper slot of lock body blocks the limited block of wedge shape pellet shot from a slingshot when the wedge shape pellet shot from a slingshot rotates to certain distance, makes its rising after controlling its anglec of rotation; After key inserts fully, all wedge shape pellets shot from a slingshot arrive the precalculated position, each holds the angle of pin-and-hole, highly all consistent, be in correspondence position with the lock pin on the lock dog, this moment key, the location taper hole on the lock core pushes away lock core with locking ball, back-moving spring spurs pull bar and lock dog simultaneously, make lock pin enter the appearance pin-and-hole, lock dog promptly breaks away from sealed groove, thereby lock can be opened.

The utility model has been introduced two variablees---distance and angle again outside the height that the wedge shape pellet shot from a slingshot is arranged, their arrangement is unordered, and compound mode is very many, has increased the difficulty of technical opening undoubtedly greatly; The key axis is parallel to the line of centres of wedge shape pellet shot from a slingshot, the contact surface of the key flank of tooth and wedge shape pellet shot from a slingshot is not on the axis of key, also not on the axis of wedge shape pellet shot from a slingshot, the variation of three variablees at this moment mixes and interferes with each other, no any feel can say that technical opening has not just been known where to begin yet concerning the opener; Simultaneously, because the bottom surface and the facade of lock dog are the plane, and the side of sealed groove also is the plane, and they do not have variation on the moment touching of diverse location, the feel that brings the opener has only two kinds: can open maybe and can not open, this also makes technical opening not have mark and can seek; Anti-drilling sheet and lock body are not what fix, and when being subjected to external force pressure, the decorative pearl on top of an official cap and decorative pearl on top of an official cap spring can inwardly contract, anti-drilling sheet just can be done the rotation of 360 degree in situ, like this, and when the people attempts with electric drill destruction lock core, anti-drilling sheet can rotate at a high speed under the drill bit twisting force, and drill bit can't be penetrated; Simultaneously, anti-drilling sheet does not have any connection with other parts of cylinder lock, and anti-drilling sheet can adopt high-intensity material arbitrarily like this, has improved the safety of lock greatly.

Description of drawings

Fig. 1 and Fig. 2 are the structural representations of wedge shape pellet shot from a slingshot in the utility model.

Fig. 3 is the structural representation of the utility model key.

Fig. 4 is the utility model structural representation longitudinally.

Fig. 5 is the horizontal structural representation of the utility model.

Fig. 6 is that the wedge shape pellet shot from a slingshot is contained in the sectional view in the lock core.

The sectional view of lock core and lock body when Fig. 7 is closure.

Fig. 8 is the sectional view of lock core and lock body when unblanking.

The specific embodiment

Referring to Fig. 1, Fig. 2.One side of wedge shape pellet shot from a slingshot 8 is provided with holds pin-and-hole 15, the bottom hollow out of opposite side, and its top is V-shaped, has the inclined-plane 16 of two symmetries; The side bottom that band holds pin-and-hole is provided with limited block 19.

Referring to Fig. 3.Have some key bits on the key 1, its flank of tooth 17 is the 16 corresponding inclined-planes, inclined-plane with the wedge shape pellet shot from a slingshot.

Referring to Fig. 4, Fig. 5.Cylinder lock comprises key 1, and lock body 2 and lock core 3, lock body 2 are enclosed within lock core 3 outer rims, is provided with locking ball 10 between lock body 2 and the lock core 3, has retainer spring 11 that locking ball 10 is inwardly contacted on the lock body, and its part is entered in the location taper hole of lock core; Lock dog 4 and several wedge shape pellets shot from a slingshot 8 are housed in the lock core 3, and wedge shape pellet shot from a slingshot 8 and lock dog 4 are vertical setting, and wedge shape pellet shot from a slingshot 8 one sides have the pin-and-hole 15 of appearance, several are arranged on lock dog 4 and hold the lock pin 5 that pin-and-hole matches; Wedge shape pellet shot from a slingshot top also is provided with upper spring 18, the wedge shape pellet shot from a slingshot can be pushed downwards to reset; The bottom surface of lock dog 4 and facade are the plane that intersects vertically, and lock body 2 is provided with fan-shaped sealed groove 9, can block the lock dog bottom; Also be provided with pull bar 6 on the lock dog, its top has back-moving spring 7, and the elastic force of back-moving spring 7 is less than retainer spring 11, and direction is relative with retainer spring 11, and pull bar 6 contacts mutually with locking ball 10 under the effect of back-moving spring 7.Lock body is provided with anti-drilling sheet 12 at the key inserting surface, and the decorative pearl on top of an official cap 13 and decorative pearl on top of an official cap spring 14 are housed in the lock core, and anti-drilling sheet 12 is outwards pushed up, and anti-drilling sheet is blocked in while lock body outer can not come off it.The axis of key 1 is parallel to the line of centres of wedge shape pellet shot from a slingshot 8.

Referring to Fig. 6.After key 1 inserted, its flank of tooth 17 contacted with the inclined-plane 16 of wedge shape pellet shot from a slingshot 8, and the 18 back rotations of wedge shape pellet shot from a slingshot compression upper spring are risen, and when the wedge shape pellet shot from a slingshot rotated to certain angle, limited block 19 was blocked by the stopper slot 20 of lock body, and the wedge shape pellet shot from a slingshot rises.After wedge shape pellet shot from a slingshot 8 put in place, its lock pin 5 that holds pin-and-hole 15 and lock dog was in correspondence position, and lock dog 4 can be deviate from from sealed groove 9.

Referring to Fig. 7.Pull bar 6 contacts mutually with locking ball 10, and the elastic force of the elastic reset spring 7 of retainer spring 11 inwardly pushes up pull bar 6, and the bottom of lock dog 4 is stuck in the sealed groove 9.

Referring to Fig. 8, Fig. 5.When unblanking, key 1 inserts in the lock core 3 fully, make all wedge shape pellet shot from a slingshot rotations rise to precalculated position (as shown in Figure 5), holding pin-and-hole 15 positions aligns with lock pin, rotational lock core can push away lock core with locking ball 10, this moment, back-moving spring 7 was pulled outwardly pull bar 6 and lock dog 4, made lock dog break away from sealed groove 9, and cylinder lock promptly is in unlocking condition.

When extracting key, because the inclined-plane 16 of wedge shape pellet shot from a slingshot is the symmetrical inclined-plane of " V " shape, the wedge shape pellet shot from a slingshot can be pressed former track counter motion to original state under the effect of upper spring 18, and its arrangement mode confusion can not take place.

Claims

1. cylinder lock, comprise lock body, lock core and key, lock body sheath is in the lock core outer rim, lock dog and several wedge shape pellets shot from a slingshot are housed in the lock core, wedge shape pellet shot from a slingshot and lock dog are vertical setting, wedge shape pellet shot from a slingshot one side is provided with the appearance pin-and-hole, have several on the lock dog and hold the lock pin that pin-and-hole matches, lock body is provided with fan-shaped sealed groove, can block the lock dog bottom, and it is characterized in that: the wedge shape pellet shot from a slingshot does not have the bottom hollow out of holding pin-and-hole one side, its top is V-shaped, the inclined-plane that has two symmetries, the key flank of tooth corresponding with it also is corresponding inclined-plane, the key axis is parallel to the line of centres of wedge shape pellet shot from a slingshot.

2. cylinder lock as claimed in claim 1 is characterized in that: the height of the appearance pin-and-hole of at least two wedge shape pellets shot from a slingshot is inconsistent; Angle between the axial line of at least two wedge shape pellet shot from a slingshot appearance pin-and-holes is greater than 0 °.

3. cylinder lock as claimed in claim 2 is characterized in that: be provided with locking ball between lock body and lock core, have retainer spring that locking ball is inwardly contacted on the lock body, and its part is entered in the location taper hole on the lock core; Also be provided with pull bar on the lock dog, pull bar stretches in the lock core, has back-moving spring above, its elastic force less than retainer spring direction relative with retainer spring, pull bar and lock dog contact mutually with locking ball under the effect of back-moving spring; The bottom surface of lock dog and facade are the plane that intersects vertically.

4. cylinder lock as claimed in claim 3 is characterized in that: the bottom of described wedge shape pellet shot from a slingshot is provided with limited block, and lock body is provided with stopper slot with matching.

5. as each described cylinder lock of claim 1-4, it is characterized in that: lock body is provided with anti-drilling sheet at the key inserting surface, the decorative pearl on top of an official cap is housed in the lock core and decorative pearl on top of an official cap spring outwards pushes up anti-drilling sheet, and the lock body outer is blocked anti-drilling sheet it can not come off simultaneously.