CN210342990U - Lock with back-locking function used on door of motor home toilet - Google Patents

Abstract

The utility model discloses an use and take lock of anti-lock function on car as a house bathroom door, including arranging the inside door frame of wall body in, one of them side inner wall of door frame through damping hinge articulated have with the door body of the inside size of a dimension assorted of door frame, the tool to lock mounting groove has been seted up to surface one side of the door body, fixed mounting has the tool to lock in the tool to lock mounting groove, the tool to lock is by the lock core, outer tool to lock door plant, interior tool to lock door plant and inside and outside door handle constitute, the inside fixed mounting of tool to lock has the lock core, the one end of lock core is passed the lateral wall fluting of tool to lock and the one end expansion joint of the outside spring bolt that is equipped with of tool to lock, one side. The utility model discloses a damping hinge that is equipped with is convenient to be connected the automatic AND gate frame that resets of door body and needn't artifical manual closing, thereby microprocessor, the control circuit that are equipped with and the infrared emission pipe and the infrared ray receiver tube mutually support the realization fixed to the external door handle.

Description

Lock with back-locking function used on door of motor home toilet

Technical Field

The utility model relates to a lock, in particular to a lock with a back locking function used on a door of a motor home toilet.

Background

The door lock is a device for locking a door as the name implies so as to prevent other people from opening the door, the door lock is classified into a plurality of categories, the requirements on the door lock are different in each occasion, and the anti-theft door lock is generally used in ordinary families, so that the safety is high and the price is low.

When the existing lock is used in a public place (in a toilet), people outside the toilet can easily open the lock due to carelessness of a user who forgets to unlock the lock, so that the embarrassment of people who go to the toilet in the toilet is easily caused, the unlocking of the existing door can not be automatically completed by manual operation, certain inconvenience is caused, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use when the tool to lock that the lock that takes the anti-lock function on car as a house bathroom door is current (when going to the lavatory), because user's carelessness leads to forgetting the anti-lock and the people outside the lavatory can be easily opened, lead to the very awkwardness of people who goes to the lavatory in the lavatory easily like this, current door need manual just can anti-lock the problem of unable automatic completion.

In order to achieve the above object, the utility model provides a following technical scheme: a lock with a back locking function used on a door of a motor home bathroom comprises a door frame arranged in a wall body, wherein the inner wall of one side of the door frame is hinged with a door body matched with the inner size of the door frame through a damping hinge, a lock mounting groove is formed in one side of the surface of the door body, a lock is fixedly mounted in the lock mounting groove and comprises a lock core, an outer lock door plate, an inner lock door plate and an inner door handle, a lock core is fixedly mounted in the lock, one end of the lock core penetrates through a side wall groove of the lock and is in telescopic connection with one end of a lock tongue arranged outside the lock, an inner lock door plate is fixedly mounted on the surface of the outer wall of one side of the door body, an inner door handle is fixedly mounted on the surface of the inner door plate, one end of the inner door handle is correspondingly and rotatably connected with one side of the lock core, and an infrared transmitting tube, the inside of tool to lock has the PCB board through fixing bolt screw thread fixed mounting, the fixed surface of PCB board is carved and is equipped with control circuit, the stitch end of infrared emission pipe and infrared ray receiver tube all connects fixedly with control circuit's the end tin that corresponds, the surface of outer tool to lock door plant is rotated and is connected and is equipped with outer doorknob, card and fixed slot have been seted up on the rotation end outer wall surface of outer doorknob, card and fixed slot and electromagnetic switch's control end activity card and connection, the surface of PCB board still scarf joint and is equipped with microprocessor, a plurality of stitch in microprocessor's bottom all connects fixedly with control circuit tin, the outer wall fixed surface of door frame has seted up the battery mounting groove, install the battery in the electromagnetic mounting groove, the surface of battery mounting groove install through fixing bolt with battery mounting groove size assorted battery protection cover.

As an optimal technical scheme of the utility model, infrared emission pipe and infrared ray receiver tube's surface is pasted respectively and is equipped with the tempering membrane, and infrared emission pipe and infrared ray receiver tube all scarf joint install in the tool to lock.

As an optimal technical scheme of the utility model, the one end of spring bolt and door frame one side inner wall inlay the locked groove fixing clip and be connected of establishing the installation.

As an optimal technical scheme of the utility model, interior door-knob and outer door-knob all are interior outer split type with the rotation axle center of lock core and are connected, and interior door-knob and outer door-knob are inside and outside double open door-knob structure. As an optimal technical scheme of the utility model, infrared emission pipe, infrared ray receiver tube, electromagnetic switch and microprocessor all with control circuit electric connection, control circuit all passes through PLC circuit board and battery electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an use and take lock of back-locking function on car as a house bathroom door:

1) the door body is automatically reset and connected with the door frame through the damping hinge without manual closing, and the external door handle is fixed through the mutual matching of the microprocessor and the control circuit, the infrared transmitting tube and the infrared receiving tube;

2) the microprocessor integrates the infrared transmitting tube and the infrared receiving tube through a specific algorithm so as to judge whether a person exists in the toilet or not, because the volume of the public motor home is small, the infrared radiation precision is high, so that the receiving precision of the infrared receiving tube is improved, when people are in an infrared radiation area in a room, therefore, the algorithm of the microprocessor meets the triggering condition, the electromagnetic switch is controlled to control the output end so as to realize the clamping of the external door handle, the internal door handle and the external door handle adopt a double-opening door handle structure, when the outer door handle is clamped, the inner door handle is not influenced at all and can be opened randomly, and another set of algorithm of the microprocessor meets the condition after people walk, therefore, the outdoor person can screw the outer door handle and turn off the electromagnetic switch to meet the requirement of automatic back locking in public places, and the embarrassment that people outside the door break into the public place under the condition that people in the public place are unknown is avoided.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

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

FIG. 4 is a schematic view of the inner structure of the lock of the present invention;

fig. 5 is a schematic structural diagram of the electromagnetic switch of the present invention;

FIG. 6 is a schematic view of the principle flow structure of the present invention in a situation where a person is present in a room;

fig. 7 is a schematic view of the principle flow structure of the indoor unmanned environment of the present invention.

In the figure: 1. a door body; 2. a damping hinge; 3. a door frame; 4. an outer door handle; 5. a lock; 6. An inner door handle; 7. an infrared receiving tube; 8. a latch bolt; 9. an infrared emission tube; 10. an electromagnetic switch; 11. a PCB board; 12. a control circuit; 13. a microprocessor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the utility model provides a lock with back locking function used on a door of a motor home toilet, which comprises a door frame 3 arranged inside a wall body, wherein one side inner wall of the door frame 3 is hinged with a door body 1 matched with the inner dimension of the door frame 3 through a damping hinge 2, one side of the surface of the door body 1 is provided with a lock mounting groove, a lock 5 is fixedly arranged in the lock mounting groove, the lock 5 is composed of a lock core, an outer lock door plate, an inner lock door plate and an inner and outer door handle, the inner part of the lock 5 is fixedly provided with a lock core, one end of the lock core passes through a side wall slot of the lock 5 to be telescopically connected with one end of a lock tongue 8 arranged outside the lock 5, the surface of one side outer wall of the door body 1 is fixedly provided with an inner lock door plate, the surface of the inner lock door plate is fixedly provided with, the surface of interior tool to lock door plant has inlayed respectively and has had infrared emission pipe 9 and infrared receiver tube 7, there is PCB board 11 inside of tool to lock 5 through fixing bolt screw thread fixed mounting, PCB board 11's fixed surface is carved with control circuit 12, the pin end of infrared emission pipe 9 and infrared receiver tube 7 all meets fixedly with control circuit 12's corresponding end tin, the surface of outer tool to lock door plant rotates to be connected and is equipped with outer door handle 4, card and fixed slot have been seted up to outer door handle 4's rotation end outer wall surface, card and fixed slot are blocked and are connected with electromagnetic switch 10's control end activity, the surface of PCB board 11 still inlays and connects and is equipped with microprocessor 13, microprocessor 13's bottom a plurality of stitch all meets fixedly with control circuit 12 tin, the outer wall fixed surface of door frame 3 has seted up the battery mounting groove, install the battery in the electromagnetic mounting groove battery, the surface of battery mounting groove installs the battery protective cover with battery mounting groove size assorted through.

Preferably, infrared emission pipe 9 and infrared ray receiver 7's surface is pasted respectively and is equipped with the tempering membrane, and infrared emission pipe 9 and infrared ray receiver 7 all scarf joint install in tool to lock 5, improves whole infrared reflection intensity through the tempering membrane that is equipped with, adopts the infrared ray simultaneously, because infrared reflection receives the precision height, does not receive advantages such as external electromagnetic wave interference.

Preferably, the locked groove fixing clip and the connection of installation are inlayed with 3 one side inner walls of door frame to the one end of spring bolt 8, realize closing of the door body 1 through the spring bolt 8 and the locked groove that are equipped with.

Preferably, interior door is 6 and outer door handle 4 all is interior outer split type with the rotation axle center of lock core and is connected, and interior door is 6 and outer door handle 4 for inside and outside double open type door handle structure, can avoid inside and outside door handle to receive control circuit 12's influence and realize the locking simultaneously through adopting inside and outside split type to connect, guarantees that the people in the lavatory can open, and only influences the outer door handle 4 in lavatory.

Preferably, the infrared transmitting tube 9, the infrared receiving tube 7, the electromagnetic switch 10 and the microprocessor 13 are all electrically connected with the control circuit 12, and the control circuit 12 is electrically connected with the storage battery through the PLC circuit board. The electromagnetic switch 10 is conveniently controlled by the microprocessor 13, so that the external door handle 4 is automatically fixed and clamped in a rotating way, and people outside the door can be prevented from entering the door.

When the lock is used, a user firstly installs and fixes the lock 5 on the door body 1, the door body 1 can be connected with the door frame 3 by adopting the damping hinge 2, the damping hinge 2 slowly retracts after the user looses his hand, the dragging door 1 moves backwards so as to realize the automatic closing of the door body 1 and the door frame 3, the manual closing is not needed, then the user installs the seven types of electric power storage on the surface of the outer door plate, the whole lock 5 is automatically electrified to operate, when the lock is used, the user opens the outer door handle 4 outside the door to normally open the door, the lock cylinder pulls back the lock cylinder which is clamped and the lock tongue 8 in the lock groove after one end of the outer door handle 4 rotates for a certain angle, the user is not found in the door frame 3 at the moment, the whole circuit does not form the triggering condition of the electromagnetic switch 10, the outer door handle 4 is not fixed, normally realize opening the door, cross the door frame 3 and enter into the opposite side of door and close the door after the trigger condition constitutes: when a human body passes through an infrared irradiation area emitted by the infrared emission tube 9, the infrared rays in the whole area are reflected by the body surface of the human body at the moment to realize an electric loop, the infrared receiving tube 7 at the moment receives the reflected infrared rays, the whole control circuit 12 forms a complete algorithm condition at the moment, and the algorithm processing of the microprocessor 13 is carried out, (the algorithm is that after the infrared rays emitted by the infrared emission tube 9 are reflected by the body surface of the human body and are simultaneously received by the red infrared receiving tube 7 for a long time, the human body is considered to enter a room conveniently, an electromagnetic signal is emitted to the electromagnetic valve switch), the switch controlled by the electromagnet, namely a combination of the electromagnet and the switch, generates electromagnetic attraction after the electromagnet coil is electrified, the movable iron core pushes or pulls the switch contact to be closed, so that the control circuit 12 is switched on to drive the output end to extend to clamp the outer door handle 4, when the people in the door is convenient in the lavatory and when in the irradiation range of infrared emission pipe 9, then electromagnetic switch 10 will be in the extension state always, the people outside the door thinks to open outer door handle 4, owing to receive electromagnetic switch 10's joint control, can't realize rotating, thereby can't retract spring bolt 8, and then realize the automation of the door body and lock, and the interior door handle 6 in the door body 1 is because being connected with outer door handle 4 is coaxial core formula, for inside and outside double open type, consequently and not influenced, after the people in the lavatory has conveniently finished, can rotate interior door handle 6 with spring bolt 8 from the pull back, realize opening the door, the people walks the back, infrared ray receiver tube 7 in the lavatory has taken place the change with infrared emission pipe 9's trigger mode: the microprocessor 13 (algorithm is that when the infrared irradiation area has no reflection, the infrared receiving tube 7 does not receive the reflected infrared ray at the moment, it can be judged that the room is unmanned, the microprocessor 13 sends an electromagnetic signal to the electromagnetic switch 10 through the control circuit 12 control, the output end can be retracted, the outer door handle 4 can be rotated to a certain angle to retract the bolt 8 into the lock core, and the door is opened outside the door.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship 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 indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (5)

1. A lock with a back locking function used on a door of a motor home bathroom comprises a door frame (3) arranged inside a wall body, and is characterized in that the inner wall of one side of the door frame (3) is hinged with a door body (1) matched with the inner size of the door frame (3) through a damping hinge (2), one side of the surface of the door body (1) is provided with a lock mounting groove, a lock (5) is fixedly installed in the lock mounting groove, the lock (5) is composed of a lock cylinder, an outer lock door plate, an inner lock door plate and an inner door handle, the lock cylinder is fixedly installed inside the lock (5), one end of the lock cylinder penetrates through a side wall groove of the lock (5) and is in telescopic connection with one end of a lock tongue (8) arranged outside the lock (5), the surface of the outer wall of one side of the door body (1) is fixedly provided with the inner lock door plate, and the surface of the inner lock door, one end of the inner door handle (6) is correspondingly and rotatably connected with one side of the lock cylinder, the surface of the inner lock door plate is respectively embedded with an infrared transmitting tube (9) and an infrared receiving tube (7), the inside of the lock (5) is fixedly provided with a PCB (11) through a fixing bolt thread, the surface of the PCB (11) is fixedly provided with a control circuit (12), the pin ends of the infrared transmitting tube (9) and the infrared receiving tube (7) are respectively fixed with the corresponding ends of the control circuit (12) in a tin joint manner, the surface of the outer lock door plate is rotatably connected with an outer door handle (4), the outer wall surface of the rotating end of the outer door handle (4) is provided with a clamp and a fixed groove, the clamp and the fixed groove are movably clamped and connected with the control end of the electromagnetic switch (10), the surface of the PCB (11) is also embedded with a microprocessor (13), a plurality of pins at the bottom of the microprocessor (13) are respectively fixed with the control circuit (12) in a tin joint manner, the outer wall fixed surface of door frame (3) has seted up the battery mounting groove, install the battery in the electromagnetism mounting groove, the surface of battery mounting groove install through fixing bolt with battery mounting groove size assorted battery protection cover.

2. A lock with a back locking function for use in a motor home toilet door according to claim 1, wherein: the surface of the infrared transmitting tube (9) and the surface of the infrared receiving tube (7) are respectively pasted with a toughened film, and the infrared transmitting tube (9) and the infrared receiving tube (7) are all embedded and installed in the lockset (5).

3. A lock with a back locking function for use in a motor home toilet door according to claim 1, wherein: one end of the lock tongue (8) is embedded with the inner wall of one side of the door frame (3) to form a lock groove fixing clamp for installation and connection.

4. A lock with a back locking function for use in a motor home toilet door according to claim 1, wherein: the inner door handle (6) and the outer door handle (4) are connected with the rotating shaft center of the lock cylinder in an inner-outer split mode, and the inner door handle (6) and the outer door handle (4) are of an inner-outer double-opening door handle structure.

5. A lock with a back locking function for use in a motor home toilet door according to claim 1, wherein: the infrared transmitting tube (9), the infrared receiving tube (7), the electromagnetic switch (10) and the microprocessor (13) are all electrically connected with the control circuit (12), and the control circuit (12) is all electrically connected with the storage battery through the PLC circuit board.

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