CN214740542U - Practical classroom mechanical lock that can commutate fast of theftproof - Google Patents

Abstract

The lock that school's classroom installed at present all is ordinary lock, and along with the improvement of standard of living, student's articles for use also more and more valuable, and the instrument in student, mr or even the classroom can not be protected more effectively to this kind of lock, so the utility model discloses a but the practical classroom mechanical lock of quick switching-over of theftproof. The utility model discloses the direction outdoors can only just rotate the handle after can only unblanking through the key after locking and open the door, and whether lock in the door and all can realize quick unblock through the mode of pressing the handle and open the door, guarantees student, mr's use of cominging in and going out in the convenient classroom of maximize under the condition of security and theftproof nature. It is worth mentioning that the utility model discloses it prevents inserting the mechanism to have in, can prevent effectively that the lawless persons outside from inserting the top such as card through the crack and hitting the inclined plane spring bolt and come unconventional unblanking. The utility model discloses a simple, effectual design has just possessed that the theftproof performance is good, easy operation, low in production cost's advantage, and can realize quick switching-over, need not to install and remove the reversal, convenient and fast.

Description

Practical classroom mechanical lock that can commutate fast of theftproof

Technical Field

The utility model relates to a theftproof tool to lock technical field especially relates to a practical classroom mechanical lock that can commutate fast of theftproof.

Background

At present, door locks installed in classrooms of schools are common locks, articles for students are more valuable along with the improvement of living standard, and the door locks cannot more effectively protect students, teachers and even instruments in the classrooms, so that the theft frequency of the schools is higher and higher, and for the condition, the students, the teachers and the schools are influenced, and more importantly, parents trust the schools. Therefore, there is a need to develop a mechanical lock for classroom use that can improve the anti-theft performance.

Disclosure of Invention

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a practical classroom mechanical lock capable of being quickly reversed in an anti-theft manner comprises a lining plate (1), a cross sinking machine screw (2), a tongue-touching reset spring (3), a tongue-touching (4), a clamp spring (5), a square tongue toggle block (6), a tongue-touching toggle sheet (7), a tongue-touching toggle sheet limit sleeve (8), a inclined tongue limit toggle sheet (9), an inclined tongue limit toggle sheet reset spring (10), an inclined tongue component (11), an inclined tongue base (12), a toggle sheet reset spring (13), a toggle sheet (14), a bottom plate (15), a square tongue limit sleeve (16), a square tongue plate (17), a slide block (18), a slide block reset spring (19), a panel (20), a third square core (21), an inclined tongue reset spring (22), a second square core (23), a first square core (24) and a square core reset spring (25), and is characterized in that the inner cavity wall surface of the bottom plate (15) is designed and molded with a plurality of fixed columns, Hole sites and slot cavities; the oblique tongue component (11) is arranged on the oblique tongue seat (12), and the oblique tongue seat (12) with the oblique tongue component (11) is fixedly arranged on a fixing column on the right side of the inner cavity of the bottom plate (15); the commutator segment resetting spring (13) is sleeved on the commutator segment (14), and the commutator segment (14) with the commutator segment resetting spring (13) is arranged in a groove cavity on the right side of the inner cavity of the bottom plate (15), specifically positioned at the upper right of the oblique tongue seat (12) and is in contact fit with the oblique tongue seat (12); the latch bolt limiting and shifting piece (9) is arranged below the latch bolt assembly (11) and is matched with the latch bolt (4) through a latch bolt shifting piece (7) and a latch bolt limiting and shifting piece resetting spring (10), wherein the latch bolt shifting piece (7) is matched with a latch bolt shifting piece limiting sleeve (8) for fixing, and the latch bolt (4) is matched with a latch bolt resetting spring (3); the square tongue plate (17) is fixedly arranged on the left side of the inner cavity of the bottom plate (15) through a square tongue plate limiting sleeve (16); the sliding block (18) and the square tongue poking block (6) are sequentially arranged above the square tongue plate (17), wherein the sliding block (18) is matched with a sliding block return spring (19); the third square core (21), the second square core (23) and the first square core (24) need to be assembled into the bottom plate (15) in sequence, are specifically positioned below the latch bolt limiting poking sheet (9), and need to be in contact fit with the latch bolt limiting poking sheet and the latch bolt seat (12); a square core reset spring (25) and an oblique tongue reset spring (22) which are arranged at the bottom of the inner cavity of the bottom plate (15) are matched with the oblique tongue seat (12) and the three square cores; the lining plate (1) and the panel (20) are fixedly arranged on the upper surface and the side surface of the bottom plate (15) respectively through cross sinking machine screws (2).

Preferably, the latch bolt limiting shifting sheet resetting spring (10) is specifically sleeved on a fixing column for fixing the latch bolt limiting shifting sheet (9).

Preferably, the lining plate (1) is provided with a hole position and a screw hole of the latch bolt component (11) and an extending hole position of the latch bolt (4), and the bottom surface is welded or integrally formed with a U-shaped connecting and fixing piece.

Preferably, the fixing column of the inner cavity of the bottom plate (15) is provided with an inner thread screw hole as required to match with the connecting and fixing piece of the lining plate (1) to install the panel (20).

The utility model has the advantages that: the utility model discloses the direction outdoors can only just rotate the handle after can only unblanking through the key after locking and open the door, and whether lock in the door and all can realize quick unblock through the mode of pressing the handle and open the door, guarantees student, mr's use of cominging in and going out in the convenient classroom of maximize under the condition of security and theftproof nature. Wherein the utility model discloses the built-in has anti-plug mechanism, can prevent effectively that the lawless persons outside the door from inserting the top such as card through the crack and hitting the inclined plane spring bolt and coming unconventional unblanking, anti-plug mechanism carries out simple, effective and practical improvement on original mechanical lock body's basis, and wherein reachs the most important part of research and development purpose and bump the tongue, bump tongue stirring piece, the spacing stirring piece of oblique tongue reset spring and three square core, and the cooperation through these several parts lets be single tongue lock body the utility model discloses possess that the theftproof performance is good, easy operation, low in production cost, and need not to install more expensive conventional two tongue lock bodies and also can reach better effect. Besides, the utility model discloses can also realize quick switching-over, need not to install and remove reversal, convenient and fast.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is an assembly perspective view of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement objectives and the functions of the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 and 2, the embodiment adopts the following technical scheme that the anti-theft practical fast-reversing mechanical lock for classrooms comprises a lining plate, a cross sinking machine screw, a tongue-touching reset spring, a tongue-touching, a snap spring, a square tongue toggle block, a tongue-touching toggle sheet limit sleeve, a inclined tongue limit toggle sheet, an inclined tongue limit toggle sheet reset spring, an inclined tongue assembly, an inclined tongue seat, a tongue-touching reset spring, a reversing sheet, a bottom plate, a square tongue plate limit sleeve, a square tongue plate, a slide block reset spring, a panel, a third square core, an inclined tongue reset spring, a second square core, a first square core and a square core reset spring, and is characterized in that a plurality of fixed columns, hole sites and groove cavities are designed and formed on the wall surface of an inner cavity of the bottom plate; the oblique tongue component is arranged on the oblique tongue seat, and the oblique tongue seat with the oblique tongue component is fixedly arranged on the fixing column on the right side of the inner cavity of the bottom plate; the reversing sheet reset spring is sleeved on the reversing sheet, and the reversing sheet with the reversing sheet reset spring is arranged in a groove cavity on the right side of the inner cavity of the bottom plate, specifically positioned on the right upper side of the inclined tongue seat and is in contact fit with the inclined tongue seat; the latch bolt limiting shifting sheet is arranged below the latch bolt assembly and is matched with the latch bolt through a latch bolt shifting sheet and a latch bolt limiting shifting sheet reset spring, wherein the latch bolt shifting sheet is matched with a latch bolt shifting sheet limiting sleeve for fixing, and the latch bolt is provided with a latch bolt reset spring; the square tongue plate is fixedly arranged on the left side of the inner cavity of the bottom plate through a square tongue plate limiting sleeve; the sliding block and the square tongue poking block are sequentially arranged above the square tongue plate, wherein the sliding block is matched with a sliding block return spring; the third square core, the second square core and the first square core are required to be sequentially assembled in the bottom plate, specifically positioned below the latch bolt limiting and poking sheet and required to be in contact fit with the latch bolt limiting and poking sheet and the latch bolt seat; a square core reset spring and a latch bolt reset spring which are arranged at the bottom of the inner cavity of the bottom plate are matched with the latch bolt seat and the three square cores; the lining plate and the panel are fixedly arranged on the upper surface and the side surface of the bottom plate respectively through cross sinking machine screws.

Furthermore, the latch bolt limiting shifting piece resetting spring is specifically sleeved on a fixed column fixed with the latch bolt limiting shifting piece.

Furthermore, the lining plate is provided with a hole position and a screw hole of the oblique tongue component and an extension hole position of the collision tongue, and the bottom surface is welded or integrally formed with a U-shaped connecting and fixing part.

Furthermore, the fixing column of the inner cavity of the bottom plate is provided with an inner thread screw hole as required to match with the connecting and fixing piece of the lining plate to install the panel.

The present embodiment takes the above scheme as an example.

The utility model discloses inside and outside all can dispose the action that the handle opened the door, nevertheless when the lock core back of locking, the outer handle of door can not directly open the door, must use the key to unblank the back and could press the handle and open the door, otherwise can't press the handle, specifically be: the third square core, the second square core and the first square core can rotate in sequence, and then the inclined tongue limiting poking piece is swung to continue to rotate to drive the inclined tongue assembly to retract so as to open the door.

Wherein the utility model discloses a principle of locking is: the lock cylinder drives the square tongue plate to move in to drive the square tongue poking block to swing, and the handle cannot be pressed down to open the door when the square tongue poking block swings to limit the second square core.

And existence of oblique tongue subassembly and the spacing stirring piece of oblique tongue also lets the utility model discloses possess and prevent inserting the performance of theftproof, specifically be: when the door is closed and locked, the oblique tongue limiting shifting sheet blocks the oblique tongue limiting shifting sheet reset spring to prevent a person from being inserted into a door slot by a card and the like and then push the oblique tongue assembly to open the door.

Based on the foregoing, the utility model discloses the direction in the door then need not the unblock and also can directly open the door through pressing the handle, and the outside must be earlier the unblock and just can open the door according to pressing the handle again.

The utility model discloses can also realize quick switching-over, need not to install and remove the reversal, specifically be: the commutator segment is pulled upwards to be opened, the oblique tongue component and the oblique tongue seat are popped out of the plane of the lining plate under the elastic force of the oblique tongue reset spring, the oblique tongue component is rotated and pressed down during commutation, and after the oblique tongue component is pressed down, the commutator segment automatically blocks the oblique tongue seat for resetting after the commutator segment reset spring resets.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. A practical classroom mechanical lock capable of being quickly reversed in an anti-theft manner comprises a lining plate (1), a cross sinking machine screw (2), a tongue-touching reset spring (3), a tongue-touching (4), a clamp spring (5), a square tongue toggle block (6), a tongue-touching toggle sheet (7), a tongue-touching toggle sheet limit sleeve (8), a inclined tongue limit toggle sheet (9), an inclined tongue limit toggle sheet reset spring (10), an inclined tongue component (11), an inclined tongue base (12), a toggle sheet reset spring (13), a toggle sheet (14), a bottom plate (15), a square tongue limit sleeve (16), a square tongue plate (17), a slide block (18), a slide block reset spring (19), a panel (20), a third square core (21), an inclined tongue reset spring (22), a second square core (23), a first square core (24) and a square core reset spring (25), and is characterized in that the inner cavity wall surface of the bottom plate (15) is designed and molded with a plurality of fixed columns, Hole sites and slot cavities; the oblique tongue component (11) is arranged on the oblique tongue seat (12), and the oblique tongue seat (12) with the oblique tongue component (11) is fixedly arranged on a fixing column on the right side of the inner cavity of the bottom plate (15); the commutator segment resetting spring (13) is sleeved on the commutator segment (14), and the commutator segment (14) with the commutator segment resetting spring (13) is arranged in a groove cavity on the right side of the inner cavity of the bottom plate (15), specifically positioned at the upper right of the oblique tongue seat (12) and is in contact fit with the oblique tongue seat (12); the latch bolt limiting and shifting piece (9) is arranged below the latch bolt assembly (11) and is matched with the latch bolt (4) through a latch bolt shifting piece (7) and a latch bolt limiting and shifting piece resetting spring (10), wherein the latch bolt shifting piece (7) is matched with a latch bolt shifting piece limiting sleeve (8) for fixing, and the latch bolt (4) is matched with a latch bolt resetting spring (3); the square tongue plate (17) is fixedly arranged on the left side of the inner cavity of the bottom plate (15) through a square tongue plate limiting sleeve (16); the sliding block (18) and the square tongue poking block (6) are sequentially arranged above the square tongue plate (17), wherein the sliding block (18) is matched with a sliding block return spring (19); the third square core (21), the second square core (23) and the first square core (24) need to be assembled into the bottom plate (15) in sequence, are specifically positioned below the latch bolt limiting poking sheet (9), and need to be in contact fit with the latch bolt limiting poking sheet and the latch bolt seat (12); a square core reset spring (25) and an oblique tongue reset spring (22) which are arranged at the bottom of the inner cavity of the bottom plate (15) are matched with the oblique tongue seat (12) and the three square cores; the lining plate (1) and the panel (20) are fixedly arranged on the upper surface and the side surface of the bottom plate (15) respectively through cross sinking machine screws (2).

2. The mechanical lock for classroom with anti-theft utility and rapid reversing as claimed in claim 1, wherein the latch bolt limiting driver blade return spring (10) is specifically sleeved on a fixed column to which the latch bolt limiting driver blade (9) is fixed.

3. The mechanical lock for classroom with anti-theft utility and rapid reversing function as claimed in claim 1, wherein the lining plate (1) is provided with a hole site of the latch bolt assembly (11), a screw hole and an extending hole site of the latch bolt (4), and the bottom surface is further welded or integrally formed with a U-shaped connecting and fixing member.

4. The mechanical lock for classroom with anti-theft utility and rapid reversing function as claimed in claim 1, wherein the fixing post of the inner cavity of the bottom plate (15) is provided with an internal thread screw hole as required to match the connecting and fixing member of the lining plate (1) to install the panel (20).

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