CN111101760A - Lock core and lock - Google Patents

Abstract

The invention discloses a lock core and a lockset applying the same, wherein the lock core comprises a lock core body and an inner rotating piece, wherein the lock core body is provided with a through hole and a guide post, one end of the guide post is connected with the lock core body, and the other end of the guide post extends into the through hole; the inner rotating part is rotatably arranged in the through hole, the inner rotating part is provided with an annular groove corresponding to the end part of the guide post, one side of the annular groove, which is close to the outer core, is provided with a groove, and the groove and the annular groove are in transitional connection through an inclined plane or an arc surface. When the lock core of the invention rotates the turn button, the inner rotating piece rotates along with the rotation and moves axially to one side of the outer core to drive the inner core to rotate to open the door lock, thereby saving the action of pressing the turn button when a user unlocks the lock, avoiding that the user can not open the door lock because the user can not understand the pressing, and bringing great convenience to the user.

Description

Lock core and lock

Technical Field

The invention relates to the technical field of locks, in particular to a lock core and a lock applying the same.

Background

The security door protects the security of family entry, and the key of the security door is a security door lock, and the core component of the security door lock is a lock cylinder. The double-opening lock cylinder with the turn button is one of anti-theft lock cylinders, usually, the outer side of the door is a spring lock cylinder, and a key is needed to unlock the lock cylinder; its door inboard then replaces the key to unblank through the turn-knob, and usually operate this turn-knob then need press the turn-knob earlier, and turn-knob again just can open the lock, and this operation that seems to be simple brings inconvenience for the user, and most users only can just rotate the turn-knob as using singly to unblank, then can rotate by force even when changeing motionless, leads to the lock core to damage, or when meeting emergency, can not bring very big potential safety hazard for the user in inside the unblanking lock.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, when the turn button of the lock core is rotated, the inner rotating piece rotates along with the rotation and moves axially towards one side of the outer core to drive the inner core to rotate to open the door lock, so that when a user opens the door, the action of pressing the turn button is omitted, the situation that the user cannot open the door lock due to incapability of knowing the pressing is avoided, and great convenience is brought to the user.

According to a first aspect of embodiments of the present invention, there is provided a lock cylinder including: the lock core body is provided with a through hole and a guide post, one end of the guide post is connected with the lock core body, and the other end of the guide post extends into the through hole. The inner rotating part is rotatably arranged in the through hole, the inner rotating part is provided with an annular groove corresponding to the end part of the guide post, one side of the annular groove, which is close to the outer core, is provided with a groove, and the groove is in transitional connection with the annular groove through an inclined plane or an arc surface.

The technical scheme at least has the following beneficial effects: through setting up the guide post and having the notched ring channel, the guide post cooperates with the notched ring channel, and outside core one side axial displacement when interior rotating member pivoted to connect the inner core and drive the cam and rotate, realize simply unblanking from the door inside. When the user rotates the commentaries on classics of the lock core body, it rotates to drive the adversion piece, be in groove under the tip initial condition of guide post, and the guide post is fixed motionless, along with the rotation of adversion piece, the tip of guide post is followed inclined plane or arcwall face and is removed to the ring channel in the groove, make the outside core one side axial displacement of adversion piece, the first end that stretches out of adversion piece makes the stop pin shift up, the inner core is rotatable, the spliced pole of adversion piece and the interface connection of inner core simultaneously, it rotates to drive the inner core, and the tip that the second of adversion piece stretched out the end pushes away through the elastic component and makes outside core one side axial displacement of lock piece, the lock piece joint is between inner core and cam, make the inner core drive cam rotate.

According to the first aspect of the present invention, the groove is a U-shaped groove, both sides of the U-shaped groove smoothly transition to the annular groove, and correspondingly, the end of the guide post extending into the through hole is cylindrical.

According to the first aspect of the invention, the inner core is rotatably arranged in the through hole, the inner core is connected with the inner rotating member, a connecting port is arranged at the end part of the inner core, and the inner rotating member is provided with a connecting column matched with the connecting port.

According to the first aspect of the invention, the connecting port is provided with a stainless steel spring sheet matched with the connecting port.

According to the first aspect of the invention, the side wall of the inner core is provided with a locking hole, the lock core body is provided with a mounting hole corresponding to the locking hole, a door sealing pin, a locking spring, a locking pin and a steel pin are sequentially arranged in the mounting hole and the locking hole from top to bottom, one side of the inner rotating member is provided with a first extending end which extends into the inner cavity of the inner core and is matched with the inner cavity, the first extending end is further provided with a second extending end in an extending manner, the first extending end and the second extending end are connected through a transition inclined plane, and the steel pin falls between the extending ends.

According to the first aspect of the invention, the inner cavity is sleeved with the locking piece, the outer side wall of the locking piece is convexly provided with the guide block, the inner core is provided with the clamping groove matched with the guide block, the guide block is connected with the clamping groove, and the end part of the locking piece is connected with the second extending end through the elastic piece.

According to the first aspect of the invention, the cam provided with the hollow sleeve is sleeved on the outer side of the inner core, the inner ring with the notch is arranged in the hollow sleeve, the outer side wall of the locking piece is provided with the convex block matched with the notch, and the convex block can be clamped in the notch.

According to the first aspect of the invention, a locking pin and a locking spring are installed in a through hole formed in the locking member, the locking pin is telescopically arranged on the side wall of the locking member, and the inner core is provided with a locking hole corresponding to the locking pin.

According to the first aspect of the present invention, the end of the lock member is provided with a chamfer and a recess hole, and the recess hole is embedded in a steel column made of high carbon chromium bearing steel.

According to a first aspect of the embodiments of the present invention, there is provided a lock including a lock body, wherein: the lock body is provided with the lock cylinder.

The lockset has the following beneficial effects: after the lock core as above is installed to the tool to lock, the turn-button of lock core is arranged in the door inboardly, when the door is opened from the inside, the user only needs to rotate the turn-button of lock core, turn-button drives the adversion piece and rotates, be in the groove under the tip initial condition of guide post, and the guide post is fixed, along with the rotation of adversion piece, the tip of guide post moves to the ring channel along inclined plane or arcwall face from the groove, make the adversion piece outside core one side axial displacement, the first end that stretches out of adversion piece makes the stop pin shift up, the inner core is rotatable, the spliced pole of adversion piece and the interface connection of inner core simultaneously, it rotates to drive the inner core, and the tip that the second of adversion piece stretched out the end pushes away through the elastic component and makes the lock piece outside core one side axial displacement, the lock piece joint is between.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded schematic view of a lock cylinder according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a lock cylinder in an embodiment of the present invention;

FIG. 3 is a schematic structural view of the inner rotary member of FIG. 1;

FIG. 4 is a schematic structural view of the core of FIG. 1;

fig. 5 is a schematic structural view of the cam in fig. 1.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, an embodiment of the present invention provides a lock cylinder, including a cylinder body 100 and an inner rotating member 200, wherein the cylinder body 100 is provided with a through hole 110 and a guide post 120, an axis of the through hole 110 is perpendicular to an axis of the guide post 120, one end of the guide post 120 is fixedly connected to the cylinder body 100, and the other end extends into the through hole 110 from a side surface of the through hole 110; the inner rotating member 200 is rotatably disposed in the through hole 110, an annular groove 210 matched with the end of the guide post 120 is disposed in the middle of the outer surface of the inner rotating member 200, a groove 220 is disposed on one side of the annular groove 210 close to the outer core, and the groove 220 is transitionally connected with the annular groove 210 through an inclined plane or an arc surface.

When a user rotates the knob 270 of the lock cylinder body, the knob 270 drives the inner rotary member 200 to rotate, the end of the guide post 120 is located at the groove 220 in an initial state, the guide post 120 is fixed, along with the rotation of the inner rotary member 200, the end of the guide post 120 moves into the annular groove 210 from the groove 220 along an inclined plane or an arc plane, so that the inner rotary member 200 moves axially towards one side of the outer cylinder, the first extending end 240 of the inner rotary member 200 enables the locking pin 133 to move upwards, the inner core 300 can rotate, meanwhile, the connecting post 230 of the inner rotary member 200 is connected with the connecting port 310 of the inner core 300 to drive the inner core 300 to rotate, the end of the second extending end 280 of the inner rotary member 200 pushes the locking member 400 to move axially towards one side of the outer cylinder through the elastic member 250, the locking member 400 is clamped between the inner core 300 and the cam 500, so that the inner core 300 drives the cam 500 to.

Referring to fig. 3, the groove 220 is a U-shaped groove, both sides of the U-shaped groove are smoothly transited with the annular groove 210 through an inclined plane or an arc surface, correspondingly, the end of one end of the guide post 120 extending into the through hole 110 is cylindrical, so that the guide post 120 is smoother when moving between the groove 220 and the annular groove 210, and when the U-shaped groove 220 enables the left and right two directions to rotate the inward rotating member 200, the end of the guide post 120 can be moved into the annular groove 210 from the groove 220, so that the inward rotating member 200 can move axially to one side of the outer core while rotating.

Referring to fig. 1 and 4, it can be understood that an inner core 300 is further sleeved in the through hole 110, the inner core 300 can rotate in the through hole 110, the inner core 300 is connected with the inner rotary member 200, the inner core 300 is arranged on one side of the inner rotary member 200 close to the outer core, two U-shaped connecting ports 310 are arranged on the side wall of one end of the inner core 300 connected with the inner rotary member 200, and correspondingly, two connecting columns 230 matched with the connecting ports 310 are mounted at the ends of the inner rotary member 200. When the inner rotating member 200 is rotated, the end of the guiding post 120 moves into the annular groove 210 along the inclined plane or the arc-shaped plane from the groove 220, and the inner rotating member 200 moves axially toward one side of the outer core while rotating, so that the connecting post 230 of the inner rotating member 200 is engaged with the connecting port 310 of the inner core 300, and the inner core 300 can be driven to rotate, the cam 500 can be further driven to rotate, and the simple unlocking can be realized.

Referring to fig. 1, further, two connection ports 310 of the inner core 300 are respectively provided with a stainless steel spring plate 320 matched with the two connection ports. Because the connecting column 230 and the inner core 300 of the inner rotating member 200 are both made of copper, the unlocking action can cause abrasion between the connecting column 230 and the connecting port 310, the connecting function is lost due to excessive abrasion in the past for a long time, the stainless steel shrapnel 320 is added at the connecting port 310, the direct contact between the connecting column 230 and the inner core 300 can be avoided, the abrasion is reduced, meanwhile, due to the elastic action of the stainless steel shrapnel 320, the process that the connecting column 230 axially moves to stretch into the connecting port 310 during rotation is smooth, and the phenomenon of shell clamping is avoided.

Referring to fig. 2, 3 and 4, it can be understood that a locking hole 360 is further formed on a side wall of the inner core 300 near one end of the connection port 310, the cylinder body 100 is provided with a through mounting hole 130 corresponding to the locking hole 360, the locking hole 360 is the same size as the mounting hole 130 and corresponds to the mounting hole 360, a door closing pin 131, a locking spring 132, a locking pin 133 and a steel pin 134 are sequentially arranged in the mounting hole 130 and the locking hole 360 from top to bottom, wherein the steel pin 134 is arranged in the locking hole 360, and the locking pin 133 is made of high-hardness high-carbon chromium bearing steel, so that the inner core 300 can be prevented from being rotated by force to break the locking pin 133 under a locking condition; one end of the inner rotating member 200, which is close to the inner core 300, is provided with a first protruding end 240 in a protruding manner, the outer diameter of the first protruding end 240 is consistent with the diameter of an inner cavity 330 of the inner core 300, the first protruding end 240 is matched with the inner cavity 330, the first protruding end 240 is further provided with a second protruding end 280 in a protruding manner, the diameter of the second protruding end 280 is smaller than that of the first protruding end 240, the second protruding end 280 is connected with the first protruding end 240 through a transition inclined surface 241, and the steel pin 134 is movably arranged between the first protruding end 240 and the second protruding end 280. Under the locking condition, the steel pin 134 falls on the outer surface of the second extending end 280 of the inner rotating member 200, and because the diameter of the second extending end 280 is smaller than that of the inner cavity 330, the locking pin 134 falls under the elastic force of the locking spring 132 and is connected between the locking hole 360 and the mounting hole 130, so that the inner core 300 and the lock core body 100 are clamped together, the locking effect is achieved, and the cam 500 is limited to rotate relative to the lock core body 100 during the anti-theft process; when the lock is unlocked from the inside of the door, the rotating knob 270 rotates the inner rotating member 200, the end of the guide post 120 moves into the annular groove 210 from the groove 220 along the inclined surface or the arc surface, the inner rotating member 200 moves axially toward one side of the outer core while rotating, the connecting post 230 is connected to the connecting port 310, the steel pin 134 slides from the outer surface of the second extending end 280 to the outer surface of the first extending end 240 through the transition inclined surface 241, so that the steel pin 134 moves upward, the pushing locking pin 133 also moves upward, the connecting gap between the steel pin 134 and the locking pin 133 is just overlapped with the connecting gap between the outer surface of the inner core 300 and the through hole 110 of the lock core body 100, and the inner core 300 can rotate relative to the lock core body 100 to drive the cam 500 to rotate, thereby achieving the purpose of unlocking.

Referring to fig. 1 and 4, it can be understood that a locking member 400 is engaged in the inner cavity 330 of the inner core 300, two guide blocks 410 are symmetrically and convexly disposed on the outer side wall of the locking member 400, a locking groove 340 matched with the guide block 410 is correspondingly disposed on the inner core 300, the guide block 410 is connected with the locking groove 340, and the end of the locking member 400 is connected with the second protruding end 280 through an elastic member 250. When the inner rotating member 200 is rotated, the inner rotating member 200 simultaneously moves axially toward the outer core side, the second protruding end 280 of the inner rotating member 200 extrudes the elastic member 250, so that the locking member 400 moves axially toward the outer core side, and due to the cooperation of the guide block 410 and the clamping groove 340, the locking member 400 can only move axially relative to the inner core 300, so that the locking pin 430 of the locking member 400 can be aligned with the locking hole 350 on the inner core 300 and clamped between the locking hole 350 and the locking member 400 during the moving process of the locking member 400, the locking effect is ensured, and the axial movement of the locking member 400 is limited during burglary prevention.

Referring to fig. 1 and 5, further, a cam 500 provided with a hollow sleeve 510 is sleeved on the outer side of the inner core 300, the hollow sleeve 510 has the same outer diameter as the through hole 110, an inner ring 520 with a notch 521 is provided inside the hollow sleeve 510, the inner ring 520 is an inward protruding ring, a protruding block 420 is further provided on the outer side wall of the locking member 400 in a protruding manner, the protruding block 420 is connected with one of the guide blocks 410, and the protruding block 420 is also connected to the clamping groove 340, corresponds to the notch 521 in the cam 500, and can be clamped on the notch 521. When the locking member 400 axially moves to the notch 521, a part of the protrusion 420 is clamped on the notch 521, and the other part is clamped on the clamping groove 340, so that the locking member 400 is simultaneously clamped on the inner core 300 and the cam 500, and the cam 500 and the inner core 300 synchronously rotate.

Referring to fig. 1 and 4, two locking pins 430 and a locking spring 440 are installed in holes formed in the locking member 400, the two locking pins 430 sandwich the locking spring 440, so that the locking pins 430 are telescopically disposed on a side wall of the locking member 400, and the two locking pins 430 respectively correspond to the two locking holes 350 formed in the side wall of the core 300. Under the initial state, the locking round pin 430 is blockked by the internal surface of the inner chamber 330 of inner core 300, the compression sets up in the locking piece 400, when the locking piece 400 axial displacement arrives locking round pin 430 and locking hole 350 and aligns, locking round pin 430 is popped out by the locking spring 440 who is in the compression state, and the joint is between locking piece 400 and locking hole 350, make locking piece 400 joint on inner core 300, the removal of restriction locking piece 400 axial direction, ensure that the lug 420 of locking piece 400 is the breach 521 department of joint in draw-in groove 340 and the cam 500 of inner core 300 simultaneously all the time, thereby restriction cam 500 rotates relative inner core 300, reach the mesh of theftproof.

Referring to fig. 1, further, the locking member 400 is provided with a chamfer and recess 450 at the end adjacent the outer core, the recess 450 engaging a steel post 460, the steel post 460 being made of a high hardness, high carbon, chromium bearing steel. After the outer core is broken off with the fingers and thumb, think that the locking piece 400 tip is being nipped with tools such as vice from the outside to when destroying locking piece 400, the setting up of chamfer makes the vice skid, can't clamp locking piece 400 easily, and shrinkage pool 450 department embedding can prevent to utilize the electric drill violence to destroy locking piece 400 by the steel column 460 that the high carbon chromium bearing steel material of high rigidity made, makes locking piece 400 remain intact and locking cam 500 and inner core 300 simultaneously all the time, thereby reaches the mesh of theftproof. Similarly, the end of the cam 500 close to the outer core is also provided with a chamfer, so that the end of the cam 500 can be clamped by using a tool such as a vice to slip, and the cam 500 cannot be directly rotated violently from the outside, thereby achieving the anti-theft purpose.

Referring to fig. 1 and 3, it can be understood that the side of the inner rotary member 200 adjacent to the inside of the door is provided with a third protruding end 260, and the third protruding end 260 is connected with an external knob 270. The external knob 270 facilitates the user to rotate the inner rotating member 200, thereby achieving easy unlocking.

According to a first aspect of the invention, a lockset is provided, which comprises a lock body, wherein the lock cylinder is arranged on the lock body. The lock cylinder is arranged on the lock body, so that the lock can be simply unlocked only by rotating the external knob 270, and great convenience is brought to users.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. A lock cylinder, comprising:

the lock core body (100) is provided with a through hole (110) and a guide post (120), one end of the guide post (120) is connected with the lock core body (100), and the other end of the guide post extends into the through hole (110);

inner rotating member (200), rotationally set up in through-hole (110), inner rotating member (200) be provided with ring channel (210) that the tip of guide post (120) corresponds, ring channel (210) are close to outer core one side and are equipped with recess (220), recess (220) with through inclined plane or arcwall face transitional coupling between ring channel (210).

2. A lock cylinder according to claim 1, characterized in that: the groove (220) is a U-shaped groove, the two sides of the U-shaped groove are in smooth transition with the annular groove (210), correspondingly, the end part of one end, extending into the through hole (110), of the guide column (120) is cylindrical.

3. A lock cylinder according to claim 1, characterized in that: an inner core (300) is rotatably arranged in the through hole (110), a connecting port (310) is arranged at the end part of the inner core (300), and a connecting column (230) matched with the connecting port (310) is installed on the inner rotating piece (200).

4. A lock cylinder according to claim 3, characterized in that: and a stainless steel spring sheet (320) matched with the connecting port (310) is arranged at the connecting port.

5. A lock cylinder according to claim 3, characterized in that: be provided with locking hole (360) on the lateral wall of inner core (300), lock core body (100) be provided with mounting hole (130) that locking hole (360) correspond, mounting hole (130) with top-down has set gradually door-sealing pin (131), locking spring (132), stop pin (133) and steel round pin (134) in locking hole (360), one side of adversion piece (200) is provided with and stretches into inner chamber (330) of inner core (300) and with first end (240) that stretches out that inner chamber (330) matches, first end (240) that stretch out stretches out again and is provided with second and stretches out end (280), first end (240) that stretches out with second stretches out end (280) and connects through transition inclined plane (241), steel round pin (134) fall between the end that stretches out.

6. A lock cylinder according to claim 5, characterized in that: the inner cavity (330) is sleeved with the locking piece (400), the outer side wall of the locking piece (400) is convexly provided with the guide block (410), the inner core (300) is provided with the clamping groove (340) matched with the guide block (410), the guide block (410) is connected with the clamping groove (340), and the end part of the locking piece (400) is connected with the second extending end (280) through the elastic piece (250).

7. A lock cylinder according to claim 6, characterized in that: the outer side of the inner core (300) is sleeved with a cam (500) provided with a hollow sleeve (510), an inner ring (520) with a notch (521) is arranged in the hollow sleeve (510), a convex block (420) matched with the notch (521) is arranged on the outer side wall of the locking piece (400), and the convex block (420) can be clamped in the notch (521).

8. A lock cylinder according to claim 7, characterized in that: install locking round pin (430) and locking spring (440) in the through-hole that sets up on locking piece (400), locking round pin (430) telescopically set up on the lateral wall of locking piece (400), inner core (300) be provided with locking hole (350) that locking round pin (430) correspond.

9. A lock cylinder according to claim 8, characterized in that: the end of the locking piece (400) is provided with a chamfer and a concave hole (450), and the concave hole (450) is embedded into a steel column (460) made of high-carbon chromium bearing steel.

10. A tool to lock, includes the lock body, its characterized in that: the lock body is fitted with a lock cylinder according to any one of claims 1-9.

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