CN112349002A

CN112349002A - Energy-saving magnetic lock with buffering function

Info

Publication number: CN112349002A
Application number: CN202011122509.5A
Authority: CN
Inventors: 杨世梅
Original assignee: Individual
Current assignee: Suzhou Dongtinghe Intelligent Technology Development Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-02-09
Anticipated expiration: 2040-10-20
Also published as: CN112349002B

Abstract

The invention relates to the related technical field of electric control door locks, and discloses an energy-saving magnetic lock with a buffering function. The movable frame, the conical block and the detection switch are movably arranged on the fixed frame, so that the movable frame is decelerated in a first stage by sliding the buffer block on the metal block on the movable frame in the door closing process, meanwhile, airflow in the slow pressure cavity of the fixed frame is extruded by the buffer block and flows out of the slender slow pressure hole, and further secondary deceleration is realized.

Description

Energy-saving magnetic lock with buffering function

Technical Field

The invention relates to the technical field related to electric control door locks, in particular to an energy-saving magnetic lock with a buffering function.

Background

The magnetic lock is also called as an entrance guard lock, is mainly applied to districts, office buildings, markets and the like in life, has the functions of controlling the entrance and exit of users, facilitating the entrance of internal staff and stopping the random entrance of external staff, not only facilitates the internal management, but also enhances the internal security, thereby providing a stable environment for the users.

The working principle of the existing magnetic lock is mainly as follows: through switching on its silicon steel sheet, and then the electric current makes it produce magnetic attraction through the silicon steel sheet, makes its magnetic force adsorb the metal block of installing on the door on the silicon steel sheet, later, makes entrance guard's host computer time switch close through shift knob and entrance guard's card reader through the user, and then makes the short-lived stopping current of silicon steel sheet let in, and then makes the silicon steel sheet no longer produce magnetic force and adsorb its metal block, and then realizes opening and shutting of door.

However, in the actual use process, in order to make the silicon steel sheet door adsorb the metal block for sealing again after opening and closing, the timing switch of the silicon steel sheet door can block the current for cutting off the silicon steel sheet in 5-8 seconds generally, so that when the door is opened for a long time by a person, the metal block can not only receive the door rotation speed when the door is closed, but also be adsorbed to the metal block due to the magnetic force generated by the silicon steel sheet when the metal block is close to the electrified silicon steel sheet, the door closing speed is further increased, and therefore in the moment of closing the door, the metal block on the door can accelerate to impact the silicon steel sheet, so that great noise can be caused, and meanwhile, the fixing and the work of the silicon steel sheet can be influenced.

Meanwhile, the conventional magnetic lock is normally powered on and locked, and power-off unlocking can be realized only in case of fire, emergency or spontaneous touch of a switch, so that when a silicon steel sheet is powered on to adsorb a metal block, the operation of the magnetic lock is continuously carried out, the silicon steel sheet consumes a large amount of electric energy when continuously producing magnetism, meanwhile, the metal block is in contact with the powered silicon steel sheet for a long time, and then metal is magnetized, further, the force required by door opening can be increased due to the fact that the metal block is magnetized when the door is opened, and the movement speed of the magnetized metal block can be further increased when the door is closed and the powered silicon steel sheet is attracted.

Disclosure of Invention

Aiming at the defects of the existing magnetic lock in the use process in the background technology, the invention provides the energy-saving magnetic lock with the buffering function, which has the advantages of having the buffering function in the closing process of a door and solving the technical problems in the background technology.

The invention provides the following technical scheme: an energy-saving magnetic lock with a buffering function comprises a fixing frame and a metal block, wherein a silicon steel sheet is fixedly mounted on one side of the fixing frame, a timing switch connected through a wire is arranged on the silicon steel sheet, a conductive column is fixedly mounted on one side of the surface of the metal block, a buffering block is fixedly mounted at the top end of the conductive column, a buffering cavity with openings at two ends for the movement of the buffering block is formed in the inner wall of the fixing frame, a conical block positioned in the buffering cavity is movably mounted in the fixing frame, a slender pressure-relieving hole for the slow flow of gas is formed in the surface of the conical block, a detection switch positioned in the buffering cavity is fixedly mounted on the inner wall of the fixing frame, a reset spring is fixedly mounted at the top end of the detection switch, one end of the reset spring is fixedly mounted with the conical block, and a movable frame matched with the conductive, the movable frame is provided with a conducting strip and a pressurizing ring, the conducting strip is positioned on the surface of the movable frame, and the pressurizing ring with a circular end face is fixedly arranged on the surface of the conducting strip.

Preferably, the one end fixed mounting who leads electrical pillar has the electricity isolating layer, and leads electrical pillar and pass through electricity isolating layer and metal block fixed mounting, electricity isolating layer and buffer block are cylindrical rubber.

Preferably, the return spring is a light spring with a small elastic stiffness coefficient.

Preferably, the number of adjustable shelf has two, and two adjustable shelves all are the semicircle, two one side of adjustable shelf fixedly connected with respectively is used for the guide ball of activity.

Preferably, the timing switch, the conducting strip, the detection switch and the silicon steel sheet are connected in series through a wire.

Preferably, the pressurizing ring is made of a flexible material with a rough surface.

The invention has the following beneficial effects:

1. the movable frame, the conical block and the detection switch are movably arranged on the fixed frame, so that the movable frame is decelerated in a first stage by sliding the buffer block on the metal block on the movable frame in the door closing process, meanwhile, airflow in the slow pressure cavity of the fixed frame is extruded by the buffer block and flows out of the slender slow pressure hole, and further secondary deceleration is realized.

2. The invention connects the conducting plate, the detecting switch and the timing switch in the movable frame with the silicon steel sheet in series, so that when the metal block is jointed with the silicon steel sheet, the metal block can contact with the buffer block firstly, and simultaneously, the detecting switch is disconnected due to the extrusion of the conical block, so that the silicon steel sheet can not be electrified when the metal block is closed, and the phenomenon that the magnetic force on the silicon steel sheet adsorbs the metal block to increase the door closing speed can not be caused, meanwhile, the metal block can always extrude the detecting switch after being closed, so that the silicon steel sheet can not be electrified after the door is closed, the loss of electric energy is greatly reduced, meanwhile, the phenomenon that the metal block is magnetized can be avoided, and then when someone forcibly opens the door, the buffer block can be pulled out through the metal block, and when the buffer block is pulled out from the slow pressure cavity on the fixed frame, the cone-shaped block is separated from the detection switch by the elasticity of the reset spring and the adsorption force of the gas in the fixing frame to the cone-shaped block, so that the detection switch is connected with a circuit, namely the whole circuit is communicated, the silicon steel sheet is introduced with current to adsorb the metal block, the phenomenon of forced opening by external personnel is prevented, meanwhile, when the timing switch is pressed to be disconnected, the metal block can freely pull the buffer block out of the pressure chamber, and the timing switch returns after 5-8 seconds, because the conductive column is separated from the movable frame, the circuit can not be conducted, when the silicon steel sheet pulls the metal block out, the silicon steel sheet does not work any more, the electric energy loss is reduced, and because the current on the silicon steel sheet can only generate a magnetic field when the silicon steel sheet is forcibly opened by a person, the phenomenon of magnetic adsorption does not exist between the metal block and the silicon steel sheet under the normal state, further reducing the phenomenon that the metal block is magnetized, and finally achieving the purposes of saving energy consumption and avoiding magnetization.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic partial cross-sectional view of the inventive structure;

FIG. 3 is a schematic view of a structural frame of the present invention;

FIG. 4 is a circuit control diagram of the structure of the present invention.

In the figure: 1. a fixed mount; 2. a metal block; 3. silicon steel sheets; 4. a timing switch; 5. an insulating layer; 6. a conductive post; 7. a buffer block; 8. a conical block; 80. a slender pressure relief hole; 9. a detection switch; 10. a return spring; 11. a movable frame; 110. a conductive sheet; 111. and a pressurizing ring.

Detailed Description

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an energy-saving magnetic lock with buffering function comprises a fixed frame 1 and a metal block 2, a silicon steel sheet 3 is fixedly installed on one side of the fixed frame 1, a timing switch 4 connected with the silicon steel sheet 3 through a wire is provided, a conductive column 6 is fixedly installed on one side of the surface of the metal block 2, a buffer block 7 is fixedly installed at the top end of the conductive column 6, a buffer cavity with openings at two ends for the movement of the buffer block 7 is opened on the inner wall of the fixed frame 1, a conical block 8 located in the buffer cavity is movably installed in the fixed frame 1, a slender pressure relief hole 80 for the slow flow of gas is opened on the surface of the conical block 8, a detection switch 9 located in the buffer cavity is fixedly installed on the inner wall of the fixed frame 1, a return spring 10 is fixedly installed at the top end of the detection switch 9, one end of the return spring 10 is fixedly installed with the conical block 8, a movable frame 11 matched with, the movable frame 11 is provided with a conductive sheet 110 and a pressure increasing ring 111, the conductive sheet 110 is positioned on the surface of the movable frame 11, the surface of the conductive sheet 110 is fixedly provided with the pressure increasing ring 111 with a circular end surface shape, in order to enable the door to have a buffering function in the closing process, a buffer cavity is arranged on the inner wall of the fixed frame 1, meanwhile, in the closing process of the door, the buffer block 7 is firstly contacted with the movable frame 11, the pressure increasing ring 111 on the movable frame 11 is firstly contacted with the buffer block 7, meanwhile, the buffer block 7 drives the pressure increasing ring 111 to move forwards, further the movable frame 11 is driven to move forwards along with the movable frame 11, the first-stage speed reduction of the buffer block 7 is realized, meanwhile, in the forward movement process of the buffer block 7, the air flow in the buffer cavity on the fixed frame 1 is extruded, further, the outlet of the fixed frame 1 is sealed by the thrust of the air pressure of the conical block 8, and the air flow of the buffer cavity in the fixed frame 1 can only slowly, and then realize second grade buffering and speed reduction, and, at the in-process that toper sprue 8 seals up mount 1, can be through compression reset spring 10, further make detection switch 9 disconnection through reset spring 10, and then make silicon steel sheet 3 do not carry out work through detection switch 9's disconnection, and then drive the in-process that metal block 2 closed as its door, only receive the power when closing the door, no longer adsorb the phenomenon with its metal block 2 with higher speed because of the magnetic force that silicon steel sheet 3 produced, finally make the door have the function of buffering at the in-process of closing.

Wherein, one end of the conductive column 6 is fixedly installed with an insulating layer 5, and the conductive column 6 is fixedly installed with the metal block 2 through the insulating layer 5, the insulating layer 5 and the buffer block 7 are both cylindrical rubber, in order to prevent the conductive sheet 110 on the movable frame 11 from making the metal block 2 become a conductor in the process of contacting and electrifying the conductive sheet 6, so that the conductive column 6 is electrically isolated from the metal block 2 through the insulating layer 5, therefore, when the conductive column 6 contacts with the conductive sheet 110 on the movable frame 11, the electric energy thereof will not affect the metal block 2, and moreover, the buffer block 7 and the insulating layer 5 are both made of non-conductive rubber material, therefore, when the buffer block 7 is connected into the buffer cavity in the fixed frame 1, because the buffer block 7 will contact with the conductive sheet 110 on the movable frame 11 first, at this time, the detection switch 9 is still in the connection state, if the conductive sheet 110 on the movable frame 11 is connected through the buffer block 7, therefore, the silicon steel sheet 3 can be directly electrified, the metal block 2 can be quickly adsorbed by the magnetic force generated by the silicon steel sheet 3, and finally, the buffer block 7 is made into non-conductive rubber, so that the conductive sheet 110 on the movable frame 11 is always kept in a power-off state before the buffer block 7 is connected into the buffer cavity in the fixed frame 1, and the phenomenon that the silicon steel sheet 3 is closed to generate magnetism is avoided.

Wherein, the return spring 10 is a light spring with small elastic stiffness coefficient, in order to disconnect the detection switch 9 of the buffer cavity on the fixing frame 1 for the first time in the process of increasing the pressure and ensure that the silicon steel sheet 3 can not work, therefore, a light return spring 10 is fixedly arranged between the detection switch 9 and the conical block 8, so that the detection switch 9 can be easily switched off by compressing the return spring 10 in the process of pushing upwards through the conical block 8, the switching-off sensitivity of the detection switch 9 is ensured, and when the buffer block 7 is drawn out, the negative pressure is directly generated in the buffer cavity in the fixed frame 1 and the return spring 10 compresses the elastic force to the conical block 8, so that when the metal block 2 is far away from the silicon steel sheet 3, can be quick make detection switch 9 communicate, avoid opening the door and leading to silicon steel sheet 3 can't make the phenomenon of coping action fast because of artificial or other reasons are forced.

Wherein, the number of the movable frames 11 is two, and the two movable frames 11 are both in a semi-ring shape, one side of each of the two movable frames 11 is fixedly connected with a guide ball for movement, in order to provide the purpose of buffering and decelerating the movement of the buffer block 7, and at the same time, whether the silicon steel sheet 3 works is controlled through on-off, so that the movable frame 11 is set to be in two semi-ring shapes, so that the buffer block 7 can be opened and closed through the movement of the buffer block 7, and further, when the buffer block 7 drives the movable frame 11 to be closed, the friction between the movable frame 11 and the buffer block 7 can be increased, so as to decelerate the movement of the buffer block 7, and simultaneously, when the door is opened, the metal block 2 can drive the conductive column 6 to extract the buffer block 7 from the buffer cavity in the fixed frame 1, therefore, in the extraction process, the movement direction of the buffer block 7 is the same as the movement direction of the movable frame, therefore, the distance between the two movable frames 11 is increased by moving the movable frames 11 outward, and the extraction of the conductive post 6 is not affected.

Wherein, time switch 4, conducting strip 110, detection switch 9 and silicon steel sheet 3 pass through wire series connection, in order to facilitate the break-make of control silicon steel sheet 3, therefore with the last series connection of its silicon steel sheet 3 have time switch 4, conducting strip 110 and detection switch 9, therefore as the in-process of its door at the motion, must satisfy time switch 4 simultaneously, the state of conducting strip 110 and detection switch 9 work just can make silicon steel sheet 3 carry out work, and then avoided silicon steel sheet 3 to the consumption of electric energy under the continuous work, and simultaneously, still avoided silicon steel sheet 3 to continuously adsorb metal block 2 and cause metal block 2 to be magnetized phenomenon.

Wherein, pressure boost circle 111 is the rough flexible material in surface, in order to make buffer block 7 in the in-process of inserting buffer chamber on mount 1, can extrude with pressure boost circle 111 at first, realize one-level buffering speed reduction, with the rough surface of its pressure boost circle 111, multiplicable and buffer block 7 contact make frictional force, be convenient for extrude by buffer block 7, and, its pressure boost circle 111 is high and conducting strip 110 a little, therefore when it leads electrical pillar 6 and passes adjustable shelf 11, its lateral wall that leads electrical pillar 6 can contact with conducting strip 110 all the time, and then guarantee conducting strip 110's intercommunication all the time.

The using method of the invention has the following working principle: firstly, fixing the metal block 2 on the door, and secondly fixing the fixing frame 1 on the door frame (both the door and the door frame are shown);

normally closing the door: as the metal block 2 is close to the silicon steel sheet 3 and the movable frame 11 is connected through the conductive column 6 in the state of closing the door, in combination with fig. 4, in the normal state, the timing switch 4 is in the closed state, and meanwhile, the detection switch 9 is influenced by the buffer block 7 squeezing the conical block 8, so that the conical block 8 causes the detection switch 9 to be in the open state by compressing the return spring 10, and therefore, in the state of normally closing the door, the current of the silicon steel sheet 3 cannot be connected due to the disconnection of the detection switch 9, and finally, no magnetic attraction exists between the metal block 2 and the silicon steel sheet 3;

and (3) normal door opening process: the time of the disconnection of the timing switch 4 is 5-8 seconds by the contact of a user with the timing switch 4, then the metal block 2 is driven to be far away from the silicon steel sheet 3 by the push of the user, because the timing switch 4 is in a disconnection state at the moment, when the buffer block 7 is separated from the pressure relief cavity in the fixing frame 1, the detection switch 9 is closed, the connection and disconnection of the silicon steel sheet 3 cannot be influenced, meanwhile, when the buffer block 7 is far away from the conical block 8 by the pulling force of the door, the conical block 8 moves to the buffer block 7 by the elastic force of the reset spring 10 and the negative pressure generated in the pressure relief cavity in the fixing frame 1 when the buffer block 7 is opened, further, the flow area between the pressure relief cavity in the fixing frame 1 and the outside air is increased by the conical block 8, and simultaneously, the phenomenon that the conical block 8 continuously moves to the buffer block 7 is prevented by the pull of the reset spring 10 to the conical block 8, in addition, in the process that the conductive post 6 moves outwards along with the metal block 2, the movable frame 11 can rotate outwards, so that the friction force between the movable frame 11 and the conductive post 6 is reduced, meanwhile, the conductive sheet 110 on the movable frame 11 is still attached to the conductive post 6, and then after the door is completely opened, the detection switch 9 is also in an open state due to the separation of the conical block 8 when the timing switch 4 is switched from the open state to the closed state for 5-8 seconds, but when the door is completely opened, the conductive post 6 on the metal block 2 can push away from the movable frame 11, so that the movable frame 11 is opened, and further after the door is opened, the silicon steel sheet 3 still does not work due to the opening of the movable frame 11;

abnormal door opening process: when the timing switch 4 is not touched to forcibly open the door, the buffer block 7 on the metal block 2 is separated from the conical block 8 by pulling the door, the conical block 8 is not extruded any more in the separation process of the buffer block 7, and the conical block 8 rapidly drives the reset spring 10 to pull the detection switch 9 by the negative pressure generated in the pressure relief cavity in the fixed frame 1, so that the detection switch 9 is switched on, at the moment, all the conductive columns 6 cannot be separated from the movable frame 11, and then the circuit is switched on by the conductive sheet 110 on the movable frame 11, because the timing switch 4, the conductive sheet 110 and the detection switch 9 are switched on, the silicon steel sheet 3 is switched on and generates magnetic force to firmly adsorb the metal block 2, the door is prevented from being forcibly opened, and then, the buffer block 7 is driven to move towards the conical block 8 in the process of adsorbing the metal block 2 by the silicon steel sheet 3, when the conical block 8 is disconnected from the detection switch 9 through the return spring 10, the silicon steel sheet 3 still returns to the normal power-off state;

in the process of closing the door: the user closes the door to enable the metal block 2 to move towards the direction close to the silicon steel sheet 3, in addition, in the process that the buffer block 7 on the metal block 2 is close to the fixed frame 1, firstly, the buffer block 7 penetrates into the pressure relief cavity in the fixed frame 1, the side wall of the buffer block 7 can be contacted with the pressure increasing ring 111 on the movable frame 11, further, the buffer block 7 is in sliding contact with the pressure increasing ring 111 to enable the movable frame 11 to move forwards along with the buffer block 7, so that primary pressure relief is formed through the contact between the pressure increasing ring 111 and the buffer block 7, meanwhile, the buffer block 7 moves in the pressure relief cavity in the fixed frame 1 to enable the air flow of the pressure relief cavity in the fixed frame 1 to be rapidly released outwards, further, the air flow can act on the conical blocking block 8 to enable the air flow to be pushed forwards and seal the outlet of the pressure relief cavity, so that the air flow flows out from the slender pressure relief hole 80 to further realize secondary pressure relief, and in the process that the conical blocking block, the detection switch 9 is further pressed through compressing the reset spring 10 to disconnect the detection switch 9, wherein in the process of forward propulsion of the buffer block 7, the buffer block 7 firstly acts the air flow of the slow-pressure cavity in the fixed frame 1 to the conical block 8 to disconnect the detection switch 9, then the buffer block 7 continuously enters to contact the conductive post 6 with the conductive piece 110 on the movable frame 11, so that the metal block 2 is close to the silicon steel sheet 3, the silicon steel sheet 3 cannot be powered due to disconnection of the detection switch 9, the phenomenon that the silicon steel sheet 3 is electrified and has magnetic force to adsorb the metal block 2 for acceleration is avoided, then the metal block 2 continuously approaches the silicon steel sheet 3 until the top end of the buffer block 7 butts against the conical block 8, the reset spring 10 always disconnects the detection switch 9 through compression, and the silicon steel sheet 3 is ensured to be in an out-working state all the time in the process of re-closing, finally, when the buffer block 7 is used for ejecting the conical block 8, the work is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-conserving magnetic force lock with buffer function, includes mount (1) and metal block (2), one side fixed mounting of mount (1) has silicon steel sheet (3), there is time switch (4) through the wire connection on silicon steel sheet (3), its characterized in that: the device comprises a metal block (2), wherein a conductive column (6) is fixedly mounted on one side of the surface of the metal block (2), a buffer block (7) is fixedly mounted on the top end of the conductive column (6), both ends of the buffer block (7) which are used for moving are arranged on the inner wall of a fixed frame (1), an open buffer cavity is formed in each of the two ends of the inner wall of the fixed frame (1), a conical plugging block (8) which is located in the buffer cavity is movably mounted in the fixed frame (1), a long and thin pressure relief hole (80) for gas pressure relief is formed in the surface of the conical plugging block (8), a detection switch (9) which is located in the buffer cavity is fixedly mounted on the inner wall of the fixed frame (1), a reset spring (10) is fixedly mounted on the top end of the detection switch (9), one end of the reset spring (10) is fixedly mounted with the conical plugging block (8), a movable frame (11) which is matched with the conductive column (6, the conducting plate (110) is positioned on the surface of the movable frame (11), and a pressurizing ring (111) with a circular end face is fixedly installed on the surface of the conducting plate (110).

2. The energy-saving magnetic lock with the buffering function as claimed in claim 1, wherein: one end of each conductive column (6) is fixedly provided with an insulating layer (5), each conductive column (6) is fixedly arranged with the metal block (2) through the insulating layer (5), and the insulating layer (5) and the buffer block (7) are made of cylindrical rubber.

3. The energy-saving magnetic lock with the buffering function as claimed in claim 1, wherein: the return spring (10) is a light spring with small elastic stiffness coefficient.

4. The energy-saving magnetic lock with the buffering function as claimed in claim 1, wherein: the quantity of adjustable shelf (11) has two, and two adjustable shelf (11) all are the semicircle form, two one side difference fixedly connected with of adjustable shelf (11) is used for the guide ball of activity.

5. The energy-saving magnetic lock with the buffering function as claimed in claim 1, wherein: the timing switch (4), the conducting strip (110), the detection switch (9) and the silicon steel sheet (3) are connected in series through a wire.

6. The energy-saving magnetic lock with the buffering function as claimed in claim 1, wherein: the pressurizing ring (111) is made of a flexible material with a rough surface.