CN113756656A

CN113756656A - Lock cylinder capable of being automatically lubricated

Info

Publication number: CN113756656A
Application number: CN202111177113.5A
Authority: CN
Inventors: 宋开军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2021-12-07

Abstract

The invention belongs to the technical field of locks, in particular to a lock core capable of automatically lubricating, which comprises a lock body, wherein a lock mechanism for locking is arranged in the lock body, a lubricating mechanism for controlling lubrication is arranged in the lock mechanism, a limiting mechanism for preventing the lock core from being frequently lubricated is arranged in the lock mechanism, part of lead powder in a lead storage cavity is pressed into a lock hole through a communicating cavity and a lubricating pipe by the friction force caused by inserting a key, and is uniformly coated on each part of the lock hole by the friction force caused by the passing in and out of the key, when the key can be smoothly inserted into the lock hole, an inserting strip is inserted into a slot to prevent the lock core from sliding, the lead powder in the lead storage cavity is pressed into the lock hole to cause unnecessary waste, a one-way dustproof air valve at the lead storage cavity can prevent the lead powder in the lead storage cavity from being sucked into the air pipe to cause blockage when a piston rod is recovered, and air can be supplemented into an air cavity from the air through the one-way air valve when the piston rod is recovered, preventing the gas in the gas cavity from being insufficient.

Description

Lock cylinder capable of being automatically lubricated

Technical Field

The invention belongs to the technical field of locks, and particularly relates to a lock core capable of being automatically lubricated.

Background

The lock brings safety to people and also brings troubles to people, the lock core of some locks is generally known to be rusted or the key is rusted in the use process, so that the key is difficult to insert into the lock hole, and unnecessary troubles are brought to normal unlocking.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an automatic lubricating lock cylinder capable of lubricating the lock cylinder through a key inserting process.

In order to achieve the purpose, the invention adopts the following technical scheme:

the lock cylinder capable of being automatically lubricated comprises a lock body, wherein a lock mechanism used for locking is arranged in the lock body, a lubricating mechanism used for controlling lubrication is arranged in the lock mechanism, and a limiting mechanism used for preventing the lock cylinder from being frequently lubricated is arranged in the lock mechanism.

Preferably, the lock mechanism comprises a buffer slot with an opening facing one side, the buffer slot is arranged in the lock body and can rotate and slide, a lock hole with an opening facing the opening side of the buffer slot is arranged in the lock core, four pairs of staggered plate slots are arranged at the lock hole in the lock core, staggered plates are arranged in each staggered plate slot in a sliding manner, each pair of staggered plates are connected to the side wall corresponding to the staggered plate slot through staggered springs and are opposite in direction, the side wall of each staggered plate far away from the staggered spring is provided with a staggered slot with an opening far away from the staggered spring side, the lock core is far away from the side of the staggered slot and is internally provided with a clamping plate in a sliding manner, the inner wall of the buffer slot far away from the staggered spring side is provided with a top block spring with an opening facing the buffer slot, a top block is arranged in the top block spring in a sliding manner, and is connected to the inner wall of the top block slot through the top block spring, the top block is always in contact connection with the clamping plate.

Preferably, the lock mechanism further comprises an unlocking groove formed in the lock body and far away from the opening side of the lock cylinder, an unlocking shaft is rotatably arranged on two side walls of the unlocking groove, an unlocking block used for unlocking is fixedly arranged on the unlocking shaft, a sliding groove with an opening facing the lock cylinder is formed in the unlocking shaft, the lock cylinder is slidably arranged in the sliding groove, the lock cylinder is connected to the inner wall of the sliding groove through a limit spring, and a supporting plate is rotatably arranged on the side, close to the unlocking groove, of the buffer groove.

Preferably, the lubricating mechanism comprises two cylinder walls, wherein the lock cylinder is symmetrically fixed on the side, close to the unlocking groove, of the lock hole, an air cavity with an opening facing the supporting plate is arranged in each cylinder wall, a piston rod is arranged in the air cavity in a sliding mode, the piston rod is connected to the inner wall of the air cavity through a return spring, and the other end of the piston rod is fixed on the supporting plate.

Preferably, the lubricating mechanism further comprises two lead storage cavities with two openings which are symmetrical relative to the keyhole and far away from the support plate on the side of the lock cylinder far away from the support plate, a sealing plug used for sealing the lead storage cavity is fixedly arranged at the opening of each lead storage cavity, the part, close to the sealing plug, of each lead storage cavity is communicated with the corresponding air cavity through an air pipe, the side, close to the air pipe, of each air cavity is communicated with the support plate through an air inlet pipe, a one-way air valve used for absorbing air is fixedly arranged at the communication part of each air inlet pipe and the support plate, and each lead storage cavity is communicated with each dislocation plate through a corresponding communication cavity and a lubricating pipe.

Preferably, the limiting mechanism comprises a trigger groove with an opening facing the keyhole, wherein the keyhole is close to the inner wall of the unlocking groove side, the trigger groove is provided with a trigger block at the opening, the trigger block is connected to the inner wall of the trigger groove through a trigger spring, each piston rod is provided with a slot with an opening facing the trigger groove, the lock cylinder is positioned at two slots, two inserting strip grooves are symmetrically arranged at the trigger groove, each inserting strip groove is internally provided with an inserting strip in a sliding manner, the trigger groove is close to two supporting plate grooves with openings facing the trigger groove, the trigger block is hinged to the corresponding inserting strip through two rotatable supporting plates, and each supporting plate is arranged in the corresponding supporting plate groove in a sliding manner.

Has the advantages that: a part of lead powder in the lead storage cavity is pressed into the keyhole through the communicating cavity and the lubricating pipe by the friction force caused by inserting the key, and is uniformly coated on each position of the keyhole through the friction generated by the passing in and out of the key.

When the key can be smoothly inserted into the lock hole, the insert is inserted into the slot, so that the lock core is prevented from sliding, and lead powder in the lead storage cavity is pressed into the lock hole, thereby causing unnecessary waste.

The one-way dustproof air valve at the lead storage cavity can prevent lead powder in the lead storage cavity from being sucked back into the air inlet pipe when the piston rod recovers, so that blockage is caused, and gas can be supplemented into the air cavity from the air through the one-way air valve when the piston rod recovers, so that the gas in the air cavity is prevented from being insufficient.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic diagram of a structural implementation of the present invention;

FIG. 3 is a schematic view of FIG. 2 taken along line A-A;

FIG. 4 is an enlarged view of the point B in FIG. 2;

FIG. 5 is an enlarged view of FIG. 2 at C;

FIG. 6 is an enlarged view of FIG. 2 at D;

fig. 7 is a schematic view of the direction E-E in fig. 3.

In the figures, a lock body 10; a lock cylinder 11; a lead storage cavity 12; a keyhole 13; a miss plate 14; a staggered plate slot 15; a staggered spring 16; a lubrication pipe 17; a communication chamber 18; an air tube 19; an intake pipe 20; a cylinder wall 21; a piston rod 22; a pallet 23; an unlocking slot 24; an unlocking block 25; an unlocking shaft 26; a chute 27; a limit spring 28; an air cavity 29; a return spring 30; a buffer tank 31; a chucking plate 32; a misplacement slot 33; a top block 34; a top block groove 35; a top block spring 36; a sealing plug 37; 38; a one-way dust-proof air valve 39; a cutting 40; a slot 41; the strap slot 42; a one-way air valve 43; a trigger block 44; a trigger slot 45; a trigger spring 46; a support plate 47; a support plate slot 48; a latch mechanism 90; a lubricating mechanism 91; a limiting mechanism 92.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 2, the lock core capable of being automatically lubricated includes a lock body 10, a lock mechanism 90 for locking is provided in the lock body 10, a lubrication mechanism 91 for controlling lubrication is provided in the lock mechanism 90, and a limiting mechanism 92 for preventing frequent lubrication of the lock core is provided in the lock mechanism 90.

Further, referring to fig. 2 and 3, the lock mechanism 90 includes a buffer slot 31 with an opening facing one side, the buffer slot 31 is disposed in the lock body 10, the lock core 11 is capable of rotating and sliding, a keyhole 13 with an opening facing the buffer slot 31 is disposed in the lock core 11, four pairs of staggered plate slots 15 are disposed at the keyhole 13 in the lock core 11, a staggered plate 14 is slidably disposed in each staggered plate slot 15, each pair of staggered plates 14 is connected to a side wall of the corresponding staggered plate slot 15 through a staggered spring 16, the directions of the side walls are opposite, a staggered slot 33 with an opening facing away from the staggered spring 16 is disposed at a side of each staggered plate 14 away from the staggered spring 16, a snap plate 32 is slidably disposed in a side of the lock core 11 away from the staggered slot 33, a top block spring 36 with an opening facing the buffer slot 31 is disposed on an inner wall of the buffer slot 31 away from the staggered spring 16, a top block 34 is slidably disposed in the top block spring 36, the top block 34 is connected to an inner wall of the top block slot 35 through the top block spring 36, the top block 34 is always in contact with the card 32.

Further, with reference to fig. 2, the lock mechanism 90 further includes an unlocking groove 24 disposed on the opening side of the lock body 10 away from the lock cylinder 11, an unlocking shaft 26 is rotatably disposed on two side walls of the unlocking groove 24, an unlocking block 25 for unlocking is fixedly disposed on the unlocking shaft 26, a sliding groove 27 having an opening facing the lock cylinder 11 is disposed in the unlocking shaft 26, the lock cylinder 11 is slidably disposed in the sliding groove 27, the lock cylinder 11 is connected to the inner wall of the sliding groove 27 through a limit spring 28, and a supporting plate 23 is rotatably disposed on the side of the buffering groove 31 close to the unlocking groove 24.

Further, referring to fig. 2, the lubricating mechanism 91 includes two cylinder walls 21 symmetrically fixed on the lock cylinder 11 near the side of the unlocking slot 24 with respect to the keyhole 13, an air chamber 29 with an opening facing the support plate 23 is provided in each cylinder wall 21, a piston rod 22 is slidably provided in the air chamber 29, the piston rod 22 is connected to the inner wall of the air chamber 29 by a return spring 30, and the other end of the piston rod 22 is fixed on the support plate 23.

Further, with reference to fig. 2, 4, 5, the lubricating mechanism 91 further includes two lead storage cavities 12 with two openings deviating from the support plate 23, the two openings of the lock cylinder 11 being away from the support plate 23 and symmetrical with respect to the lock hole 13, a sealing plug 37 for sealing the lead storage cavity 12 is fixedly arranged at the opening of each lead storage cavity 12, a position of each lead storage cavity 12 close to the sealing plug 37 is communicated with a corresponding air cavity 29 through an air pipe 19, a side of each air cavity 29 close to the air pipe 19 is communicated with the support plate 23 through an air inlet pipe 20, a one-way air valve 43 for absorbing air is fixedly arranged at a communication position of each air inlet pipe 20 and the support plate 23, and each lead storage cavity 12 is communicated with each dislocation plate 14 through a corresponding communication cavity 18 and a lubricating pipe 17.

Further, with reference to fig. 6 and 5, the limiting mechanism 92 includes a trigger groove 45 provided on an inner wall of the keyhole 13 near the side of the unlocking groove 24 and having an opening facing the keyhole 13, a trigger block 44 is slidably provided at an opening of the trigger groove 45, the trigger block 44 is connected to the inner wall of the trigger groove 45 through a trigger spring 46, each piston rod 22 is provided with a slot 41 having an opening facing the trigger groove 45, the lock cylinder 11 is provided with two insertion grooves 42 symmetrical with respect to the trigger groove 45 at the two slots 41, each insertion groove 42 is slidably provided with an insertion strip 40, the trigger groove 45 is provided with two support plate grooves 48 having an opening facing the trigger groove 45 on a side wall near the two insertion strips 40, the trigger block 44 is rotatably connected to the corresponding insertion strip 40 through two support plates 47, and each support plate 47 is slidably provided in the corresponding support plate groove 48.

Initial state: the staggered spring 16 is in a normal condition, the limit spring 28 is in a normal condition, the top block slot 35 is in a compressed condition, the trigger spring 46 is in a normal condition, and the return spring 30 is in a normal condition.

The working principle is as follows: when the sealing plug 37 is opened to lead powder from the lead storage cavity 12, if the inner wall of the keyhole 13 or the key rusts, in the process of inserting the key into the keyhole 13, the friction force between the inner wall of the keyhole 13 and the key is greater than the elastic force of the limit spring 28, the friction force of the key drives the lock cylinder 11 to slide towards the unlocking groove 24, so that the piston rod 22 is compressed into the air inlet cavity 29, the return spring 30 is compressed, the piston rod 22 retracts the air in the air cavity 29 and the air pipe 19 into the lead storage cavity 12, a part of the lead powder in the lead storage cavity 12 is pressed into the keyhole 13 through the communicating cavity 18 and the lubricating pipe 17 until the key is completely inserted into the keyhole 13, the dislocation groove 33 is adjusted to be orderly, the ejector spring 36 extends to push the ejector block 34 to push the catch plate 32 to slide, so that the lock cylinder 11 can smoothly rotate, then the lock is unlocked through the unlocking shaft 26 and the unlocking block 25, in the process of pulling out the key, the key can uniformly smear the lead powder in the keyhole 13, lead powder is evenly smeared at each position of the keyhole 13 through the friction of the key in and out, the one-way dustproof air valve 39 at the lead storage cavity 12 can prevent lead powder in the lead storage cavity 12 from being sucked back into the air inlet pipe 19 when the piston rod 22 is recovered to cause blockage, and air can be supplemented into the air cavity 29 from the air through the one-way air valve 43 when the piston rod 22 is recovered to prevent insufficient air in the air cavity 29.

If the key can be smoothly inserted into the keyhole 13, because the friction force between the key and the inner wall of the keyhole 13 is smaller than the elastic force of the limit spring 28, the key is smoothly inserted into the keyhole 13 and then pushes against the trigger block 44, the trigger spring 46 is compressed by the trigger block 44, the insert 40 is driven by the two support plates 47 to slide, the insert 40 is inserted into the slot 41, the lock cylinder 11 is prevented from sliding, and lead powder in the lead storage cavity 12 is pressed into the keyhole 13, so that unnecessary waste is caused.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A but self-lubricate lock core, includes lock body (10), its characterized in that: the lock is characterized in that a lock mechanism (90) used for locking is arranged in the lock body (10), a lubricating mechanism (91) used for controlling lubrication is arranged in the lock mechanism (90), and a limiting mechanism (92) used for preventing the lock core from being lubricated frequently is arranged in the lock mechanism (90).

2. A self-lubricatable lock cylinder according to claim 1, wherein: the lock mechanism (90) comprises a buffer groove (31) with an opening facing one side and arranged in the lock body (10), the buffer groove (31) can rotate and can slide a lock cylinder (11), a lock hole (13) with an opening facing the opening side of the buffer groove (31) is arranged in the lock cylinder (11), four pairs of staggered plate grooves (15) are arranged at the lock hole (13) in the lock cylinder (11), staggered plates (14) are arranged in each staggered plate groove (15) in a sliding manner, each staggered plate (14) is connected to the side wall corresponding to the staggered plate groove (15) through a staggered spring (16), the directions of the side walls are opposite, each staggered plate (14) is far away from the staggered spring (16) side and is provided with a staggered groove (33) with an opening far away from the staggered spring (16) side, the lock cylinder (11) is far away from the side close to the staggered groove (33) and is provided with a clamping plate (32) for sliding, keep away from dashpot (31) be equipped with opening top block spring (36) towards dashpot (31) on the inner wall of mistake spring (16) side, it is equipped with kicking block (34) to slide in kicking block spring (36), kicking block (34) are connected through kicking block spring (36) on the inner wall of kicking block groove (35), kicking block (34) with cardboard (32) contact connection all the time.

3. A self-lubricatable lock cylinder according to claim 2, wherein: lock mechanism (90) still include lock body (10) are kept away from lockout groove (24) that lock core (11) opening side set up, it is equipped with lockout axle (26) to rotate on the both sides wall of lockout groove (24), fixed lockout piece (25) that are used for unblanking that are equipped with on lockout axle (26), be equipped with spout (27) of opening orientation lock core (11) in lockout axle (26), lock core (11) slide and establish in spout (27), lock core (11) are connected through limit spring (28) on the inner wall of spout (27), dashpot (31) are close to lockout groove (24) side rotation is equipped with layer board (23).

4. A self-lubricatable lock cylinder according to claim 3, wherein: the lubricating mechanism (91) comprises two cylinder walls (21) which are symmetrically fixed on the side, close to the unlocking groove (24), of the lock cylinder (11) relative to the lock hole (13), an air cavity (29) with an opening facing the supporting plate (23) is arranged in each cylinder wall (21), a piston rod (22) is arranged in the air cavity (29) in a sliding mode, the piston rod (22) is connected to the inner wall of the air cavity (29) through a return spring (30), and the other end of the piston rod (22) is fixed on the supporting plate (23).

5. The self-lubricatable lock cylinder according to claim 4, wherein: the lubricating mechanism (91) also comprises a lead storage cavity (12) of which two openings of the lock cylinder (11) on the side away from the supporting plate (23) and symmetrical about the lock hole (13) face away from the supporting plate (23), the opening of each lead storage cavity (12) is fixedly provided with a sealing plug (37) for sealing the lead storage cavity (12), each lead storage cavity (12) is close to the sealing plug (37) and is communicated with the corresponding air cavity (29) through an air pipe (19), each air cavity (29) is close to the air pipe (19) side and is communicated with the supporting plate (23) through an air inlet pipe (20), each air inlet pipe (20) is fixedly provided with a one-way air valve (43) for absorbing air at the communication part of the supporting plate (23), and each lead storage cavity (12) is communicated with each staggered plate (14) through a corresponding communication cavity (18) and a lubricating pipe (17).

6. An automatically lubricatable lock cylinder according to claim 5, wherein: the limiting mechanism (92) comprises a triggering groove (45) with an opening facing the keyhole (13) and arranged on the inner wall of the side of the unlocking groove (24) and close to the keyhole (13), a triggering block (44) is arranged at the opening of the triggering groove (45) in a sliding manner, the triggering block (44) is connected to the inner wall of the triggering groove (45) through a triggering spring (46), each piston rod (22) is provided with a slot (41) with an opening facing the triggering groove (45), the lock cylinder (11) is positioned at the two slots (41) and provided with two inserting strip grooves (42) symmetrical to the triggering groove (45), each inserting strip groove (42) is internally provided with an inserting strip (40) in a sliding manner, the triggering groove (45) is close to the side walls of the two inserting strips (40) and is provided with two supporting plate grooves (48) with openings facing the triggering groove (45), the trigger block (44) is rotatably hinged to the corresponding inserting strip (40) through two supporting plates (47), and each supporting plate (47) is slidably arranged in the corresponding supporting plate groove (48).