CN219241597U

CN219241597U - Lock body for detecting door opening and closing state

Info

Publication number: CN219241597U
Application number: CN202320275745.3U
Authority: CN
Inventors: 陈文斐; 黄星钊; 林淡锋
Original assignee: Guangzhou Jiadun Weishi Lock Industry Co ltd
Current assignee: Guangzhou Jiadun Weishi Lock Industry Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-23
Anticipated expiration: 2033-02-20

Abstract

The utility model belongs to the technical field of lockset structures, and particularly discloses a lock body for detecting a door opening and closing state, which comprises: the device comprises a shell, an inclined tongue assembly, a safety tongue assembly and a controller; the safety tongue component is provided with a conical striking tongue, a safety tongue pulling plate, a bevel tongue locking plate and a second reset spring, wherein the safety tongue pulling plate is connected with the bevel tongue locking plate through the second reset spring; when the door body is closed, the conical striking tongue is retracted into the second bolt hole, the door body is in a locking state, and the door closing detection switch is triggered to transmit the information of the door body in the locking state to the controller; when the door body is virtually masked, the safety tongue pulling plate can not touch the door closing detection switch, and then the door closing detection switch feeds back the current electric signal to the controller, the controller judges that the door body is in an unclamped state at the moment, and the controller can remind a user of needing to close the door again through the alarm or the buzzer, so that the condition that the door body is virtually masked and stolen is avoided, and unnecessary property loss is prevented.

Description

Lock body for detecting door opening and closing state

Technical Field

The utility model relates to the technical field of lockset structures, in particular to a lock body for detecting a door opening and closing state.

Background

The electronic intelligent lock is a common lock in modern society and is widely used in hotels, apartments, guesthouses and other places. Most of user groups facing hotels, apartments and guests have more travel demands for users after check-in, and most of the users are not in the house, so that indoor theft is easy to occur. However, most hotels, apartments and door bodies of hotels are difficult to find in time if in a virtual masking state, and people outside the doors can directly push the doors to enter rooms at the moment, so that unnecessary property loss is easy to cause.

Disclosure of Invention

The purpose of the utility model is that: the lock body for detecting the door opening and closing state is provided, so that the technical problem that users are difficult to find in time and unnecessary property loss is easy to cause when the door body in the prior art is in a virtual masking state is solved.

In order to achieve the above object, the present utility model provides a lock body for detecting a door opening/closing state, comprising:

a housing having an installation cavity provided therein; the shell is provided with a first bolt hole and a second bolt hole which are communicated with the mounting cavity;

a latch assembly slidably disposed on the housing; the latch assembly having a latch for extending out of the first latch bolt hole; the inclined tongue is provided with a limiting part; the shell is provided with a first reset spring for pushing the inclined tongue to extend out of the first lock tongue hole;

the safety tongue assembly comprises a safety tongue pulling plate, a conical striking tongue, a bevel tongue locking plate and a second reset spring; the safety tongue pulling plate is arranged on the shell in a sliding way, and the conical striking tongue is hinged with one end of the safety tongue pulling plate; the conical striker is used for extending out of the second bolt hole; the inclined tongue lock plate is rotationally connected with the shell; the inclined tongue lock plate is provided with a pushing part and a locking part; the locking part is used for abutting against the limiting part so as to lock the inclined tongue; one end of the second reset spring is connected with the safety tongue pulling plate, and the other end of the second reset spring is connected with the pushing part; the second return spring is used for driving the conical striker to extend out of the second spring bolt hole;

the shell is provided with a door closing detection switch for detecting the safety tongue pulling plate and a controller, and the controller is electrically connected with the door closing detection switch; when the inclined tongue is in a state of extending out of the first lock tongue hole and the conical striking tongue is retracted into the second lock tongue hole, the safety tongue pulling plate is retracted inwards, the safety tongue pulling plate is abutted with the door closing detection switch, and the safety tongue pulling plate pushes the inclined tongue locking plate to rotate through the second reset spring so as to rotate the locking part to a preset locking position to lock the inclined tongue.

Preferably, the safety tongue pulling plate is provided with an unlocking part, and the inclined tongue locking plate is provided with an unlocking inclined plane; the unlocking inclined surface is used for abutting against the unlocking part; when the conical striking tongue of the safety tongue pulling plate stretches out of the second bolt hole under the pushing of the second reset spring, the unlocking part pushes the inclined tongue locking plate to rotate through the unlocking inclined plane so as to rotate the locking part to be separated from a preset locking position, and the inclined tongue is unlocked.

Preferably, the latch lock plate is provided with a receiving groove, and the unlocking inclined plane extends to the receiving groove; when the locking part is at a preset locking position, the unlocking part is positioned at the accommodating groove.

Preferably, the unlocking part is provided with an unlocking cambered surface for abutting against the unlocking inclined surface.

Preferably, the housing is provided with a first rotating shaft, the latch lock plate rotates with the first rotating shaft, the latch lock plate is provided with a locking arm, and the locking part and the unlocking inclined plane are both arranged on the locking arm.

Preferably, a first mounting opening is formed at one end of the second return spring connected with the safety tongue pulling plate; the safety tongue pulling plate is provided with a spring hanging arm, and the spring hanging arm is provided with a first extending section used for extending into the first mounting opening.

Preferably, a second mounting opening is formed at one end of the second return spring connected with the inclined tongue lock plate; the pushing part is provided with a second extending section for extending into the second mounting opening.

Preferably, the oblique tongue component further comprises a connecting rod and a limiting piece; the inclined tongue and the limiting piece are arranged on the connecting rod; the shell is provided with a first chute with the sliding direction parallel to the sliding direction of the inclined tongue, and the limiting piece is provided with a sliding part in sliding connection with the first chute.

Preferably, the shell is provided with a fixing piece positioned between the inclined tongue and the limiting piece, and the first reset spring is sleeved on the connecting rod; one end of the first return spring is abutted with the inclined tongue, and the other end of the first return spring is abutted with the fixing piece.

Preferably, the shell is further provided with a latch detection switch, and the latch detection switch is connected with the controller; the limiting piece is provided with an abutting part for abutting the inclined tongue detection switch; when the inclined tongue is positioned to extend out of the first lock tongue hole, the abutting part abuts against the inclined tongue detection switch.

The lock body for detecting the door opening and closing state has the beneficial effects that: the safety tongue component of the lock body is provided with a conical striking tongue, a safety tongue pulling plate, a bevel tongue locking plate and a second reset spring, and the safety tongue pulling plate is connected with the bevel tongue locking plate through the second reset spring; when the door body is closed, the conical striking tongue can retract into the second bolt hole to push the safety tongue pulling plate to retract into the shell, so that the locking part of the inclined tongue locking plate is pushed by the second reset spring to lock the inclined tongue, the door body is in a locking state, and the door closing detection switch can be triggered to transmit the information that the door body is in the locking state to the controller; when the door body is virtually masked, the conical striking tongue cannot retract into the shell, at the moment, the second reset spring can push the conical striking tongue to extend, the safety tongue pull plate cannot touch the door closing detection switch, the door closing detection switch feeds back the current electric signal to the controller, the controller judges that the door body is in an unclosed state at the moment, and the controller can remind a user of closing the door again through the alarm or the buzzer, so that the situation that the door body is virtually masked and stolen is avoided, and unnecessary property loss is prevented.

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

Drawings

FIG. 1 is a schematic diagram of a lock body for detecting a door opening/closing state according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an exploded view of a latch assembly, a safety latch pull plate, and a latch lock plate according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a safety tongue assembly according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a state of a locking portion of a latch lock plate according to an embodiment of the present utility model in a preset locking position.

100, a housing; 110. a mounting cavity; 120. a first latch bolt hole; 130. a second latch bolt hole; 140. a first return spring; 150. a door closing detection switch; 160. a first rotating shaft; 170. a fixing piece; 180. an oblique tongue detection switch; 200. a latch assembly; 210. a beveled tongue; 211. a limit part; 220. a connecting rod; 230. a limiting piece; 231. an abutting portion; 300. a safety tongue assembly; 310. a safety tongue pulling plate; 311. an unlocking part; 312. unlocking the cambered surface; 313. a spring hanging arm; 314. a first extension; 315. a safety abutment plate; 320. a conical striker; 330. a latch plate; 331. a pushing part; 332. a locking part; 333. unlocking the inclined plane; 334. an accommodating groove; 335. a locking arm; 336. a second extension; 340. and a second return spring.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 4, a lock body for detecting a door opening/closing state according to an embodiment of the present utility model will now be described.

Referring to fig. 1 to 3, a lock body for detecting a door open/close state according to an embodiment of the present utility model includes: a housing 100, a latch assembly 200, a safety latch assembly 300, and a controller;

the housing 100 is internally provided with a mounting cavity 110; both the latch bolt assembly 200 and the safety bolt assembly 300 are positioned in the mounting cavity 110, and the shell 100 is provided with a first latch bolt hole 120 and a second latch bolt hole 130 which are communicated with the mounting cavity 110;

the latch assembly 200 is slidably disposed on the housing 100; the tongue assembly 200 has a tongue 210 for extending out of the first tongue aperture 120; the inclined tongue 210 is provided with a limit part 211; the housing 100 is provided with a first return spring 140 for urging the latch 210 toward the latch 210 and out of the first latch hole 120; the inclined tongue 210 can overcome the elasticity of the first return spring 140 to move into the shell 100 under the pushing of the external force;

the safety tongue assembly 300 includes a safety tongue pulling plate 310, a conical striker 320, a latch tongue locking plate 330, a second return spring 340; the safety tongue pulling plate 310 is slidably arranged on the shell 100, and the conical striker 320 is hinged with one end of the safety tongue pulling plate 310; the tapered striker 320 is configured to extend out of the second latch aperture 130; the latch plate 330 is rotatably coupled to the housing 100; the latch lock plate 330 is provided with a pushing portion 331 and a locking portion 332; the locking portion 332 is configured to abut against the limiting portion 211 to lock the latch 210; one end of the second return spring 340 is connected with the safety tongue pulling plate 310, and the other end of the second return spring 340 is connected with the pushing part 331; the second return spring 340 is used for driving the conical striker 320 to extend out of the second latch hole 130;

wherein, the shell 100 is provided with a door closing detection switch 150 for detecting the safety tongue pulling plate 310 and a controller, and the controller is electrically connected with the door closing detection switch 150; when the latch 210 is in a state of extending out of the first latch hole 120 and the tapered striker 320 is retracted into the second latch hole 130, the safety tongue pulling plate 310 is retracted inward, the safety tongue pulling plate 310 abuts against the door closing detection switch 150, and the safety tongue pulling plate 310 pushes the latch locking plate 330 to rotate by the second return spring 340, so as to rotate the locking portion 332 to a preset locking position, and lock the latch 210. Referring to fig. 4, the preset locking position is a position of the limit portion 211 at a side away from the tip of the latch 210, and when the latch 210 is in a state of extending out of the first latch hole 120, the locking portion 332 moves to the locking position, and the locking portion 332 cooperates with the limit portion 211, so as to prevent the latch 210 from retracting inward under the action of external force, ensure that the latch 210 extends out of the housing 100, and the door body using the lock body will cooperate with the door frame to lock the door.

The conical striking tongue 320 is an isosceles conical spring bolt, when the door body is closed, the conical striking tongue 320 can rotate towards any side at will, not only can retract itself into the second spring bolt hole 130, but also can push the safety tongue pulling plate 310 to retract into the shell 100 so as to trigger the door closing detection switch 150, the door closing detection switch 150 can transmit an electric signal to the controller, the lock body is in a door closing state at the moment, and the locking part 332 at the moment locks the inclined tongue 210, so that the inclined tongue 210 extends out of the shell 100 to be matched with the door frame to lock the door body.

When the door body is in the virtual masking state, the conical striking tongue 320 cannot retract into the shell 100, at this time, the second return spring 340 will push the conical striking tongue 320 to extend, the safety tongue pulling plate 310 cannot touch the door closing detection switch 150, then the door closing detection switch 150 feeds back the current electric signal to the controller, the controller judges that the door body is in the non-closing state at this time, and the controller can remind a user that the door body is in the door closing abnormal state at this time through the alarm or the buzzer, so that the door needs to be closed again, thereby avoiding the occurrence of the condition of theft due to the virtual masking of the door body and preventing unnecessary property loss.

The safety tongue assembly 300 of the lock body of the present embodiment has a conical striker 320, a safety tongue pulling plate 310, a latch tongue locking plate 330, and a second return spring 340, wherein the safety tongue pulling plate 310 is connected with the latch tongue locking plate 330 through the second return spring 340; when the door body is closed, the conical striker 320 can retract itself into the second latch hole 130 to push the safety latch pull plate 310 to retract into the housing 100, so that the second return spring 340 is used to push the locking part 332 of the inclined latch lock plate 330 to lock the inclined latch 210, so that the door body is in a locking state, and the door closing detection switch 150 can be triggered, so that the door closing detection switch 150 transmits the information that the door body is in the locking state to the controller; when the door body is virtually masked, the conical striker 320 cannot retract into the housing 100, at this time, the second return spring 340 will push the conical striker 320 to extend, the safety tongue pulling plate 310 cannot touch the door closing detection switch 150, the door closing detection switch 150 feeds back the current electric signal to the controller, the controller judges that the door body is in an unclamped state at this time, and the controller can remind a user that the door body is in a door closing abnormal state at this time through the alarm or the buzzer, so that the door needs to be closed again, thereby avoiding the occurrence of the condition of theft caused by door body virtually masking, and preventing unnecessary property loss.

The first return spring 140 and the second return spring 340 are compression springs. The controller can be a MCU (Microcontro l l er Unit) control chip commonly used in the market, and also can be a PLC controller. The door closing detection switch 150 is a micro switch with a pressing contact, and the safety tongue pull plate 310 is provided with a safety abutment plate 315 for abutting against the door closing detection switch 150.

It will be appreciated that to better slide the tapered tongue 320, the safety tongue tab 310 is provided with a waist-shaped aperture, and the housing 100 is provided with a fixed post passing through the waist-shaped aperture, the length direction of the waist-shaped aperture being parallel to the direction of movement of the tapered tongue 320. The safety tongue pulling plate 310 can slide along the length direction of the waist-shaped hole under the driving of the second return spring 340.

In some embodiments of the present utility model, referring to fig. 1 to 4, in order to ensure that the latch tongue 210 is unlocked after the tapered striker tongue 320 is extended, the safety tongue pulling plate 310 is provided with an unlocking portion 311, and the latch tongue locking plate 330 is provided with an unlocking slope 333; the unlocking slope 333 is used for abutting against the unlocking part 311; when the tapered striker 320 of the safety tongue pulling plate 310 extends out of the second latch hole 130 under the urging of the second return spring 340, the unlocking portion 311 pushes the latch locking plate 330 to rotate through the unlocking ramp 333, so as to rotate the locking portion 332 to disengage from the preset locking position, and unlock the latch 210. That is, when the user opens the door, the tapered tongue 320 will be extended outwards under the driving of the second return spring 340, and the safety tongue pulling plate 310 will also move towards the direction outside the housing 100 to drive the unlocking portion 311 to move, so that the locking portion 332 of the latch locking plate 330 is pushed to disengage from the preset locking position by the cooperation of the unlocking portion 311 and the unlocking inclined surface 333, so as to release the locking of the latch 210. That is, after the user opens the door, the inclined tongue 210 can retract into the housing 100 under the action of external force, so that the user can push the inclined tongue 210 into the housing 100 and then extend the inclined tongue when closing the door, thereby achieving the purpose of closing the door.

In some embodiments of the present utility model, referring to fig. 1 to 3, the latch locking plate 330 is provided with a receiving groove 334, and the unlocking ramp 333 extends to the receiving groove 334; when the locking portion 332 is at the preset locking position, the unlocking portion 311 is located at the receiving groove 334. Then, after the locking portion 332 locks the latch 210, the unlocking portion 311 is located at the accommodating groove 334, so as to reduce contact between the unlocking portion 311 and the unlocking ramp 333, and avoid the unlocking portion 311 from erroneously touching the unlocking ramp 333.

In some embodiments of the present utility model, referring to fig. 3, in order to reduce friction between the unlocking portion 311 and the unlocking ramp 333, the unlocking portion 311 is provided with an unlocking cambered surface 312 for abutting against the unlocking ramp 333. By setting the unlocking cambered surface 312, the contact between the unlocking part 311 and the unlocking inclined surface 333 is point contact, and the friction between the unlocking part 311 and the unlocking inclined surface 333 is greatly reduced. The unlocking portion 311 may be directly configured as a cylindrical block, such that the cylindrical surface of the cylindrical block contacts the unlocking slope 333.

In some embodiments of the present utility model, referring to fig. 1 to 3, the housing 100 is provided with a first rotation shaft 160, the latch lock plate 330 rotates with the first rotation shaft 160, the latch lock plate 330 is provided with a locking arm 335, and the locking portion 332 and the unlocking slope 333 are both provided on the locking arm 335. The latch plate 330 is provided with a rotation hole rotatably coupled to the first rotation shaft 160. The locking portion 332 and the unlocking ramp 333 are disposed on the locking arm 335, so that the unlocking portion 311 can better drive the locking portion 332 to rotate during movement, so as to unlock.

In some embodiments of the present utility model, referring to fig. 1 to 3, the end of the second return spring 340 connected to the safety tongue pulling plate 310 has a first mounting hole; the safety tongue pull 310 is provided with a spring hanger arm 313, the spring hanger arm 313 being provided with a first extension 314 for extending into the first mounting opening. The spring hanging arm 313 extends into the first mounting opening through the first extending section 314 so as to fix one end of the second return spring 340, and similarly, one end of the second return spring 340 connected with the latch bolt locking plate 330 is provided with the second mounting opening; the pushing portion 331 is provided with a second projecting section 336 for projecting into the second mounting opening. By fixing the second return spring 340 by the second extension 336 and the first extension 314, the second return spring 340 can be fixed between the spring hanger 313 and the pushing portion 331 of the safety tongue 310, ensuring that the second return spring 340 can drive the safety tongue 310 to extend outward for return.

In some embodiments of the present utility model, referring to fig. 1, 2 and 4, the latch assembly 200 further includes a connecting rod 220 and a limiting piece 230; the limiting piece 230 and the inclined tongue 210 are both arranged on the connecting rod 220; the housing 100 is provided with a first sliding groove (not shown) having a sliding direction parallel to the sliding direction of the inclined tongue 210, and the limiting piece 230 is provided with a sliding portion (not shown) slidably connected to the first sliding groove. That is, the latch 210 is slidably connected to the housing 100 through the connecting rod 220 and the limiting piece 230, so that the latch 210 can be extended and retracted at the first latch hole 120.

In some embodiments of the present utility model, referring to fig. 1, 2 and 4, the housing 100 is provided with a fixing piece 170 located between the inclined tongue 210 and the limiting piece 230, and the first return spring 140 is sleeved on the connecting rod 220; one end of the first return spring 140 abuts against the inclined tongue 210, and the other end of the first return spring 140 abuts against the fixing piece 170. The fixing piece 170 is fixed on the housing 100, so that the first return spring 140 drives the inclined tongue 210 to extend outwards, and the inclined tongue 210 has a trend of extending outwards.

In some embodiments of the present utility model, referring to fig. 1, 2 and 4, the housing 100 is further provided with a tongue detection switch 180, and the tongue detection switch 180 is connected to the controller; the limit piece 230 is provided with an abutting portion 231 for abutting the latch detection switch 180; when the tongue 210 is extended out of the first tongue hole 120, the abutment 231 abuts against the tongue detection switch 180. That is, when the latch 210 is in a state of extending out of the first latch hole 120 and the tapered striker 320 is retracted into the second latch hole 130, the door closing detection switch 150 and the latch detection switch 180 are triggered at this time, and a corresponding electrical signal is sent to the controller, so that the door body can be ensured to be in a door closing state. If the door closing detection switch 150 is triggered by the safety tongue pulling plate 310 and the inclined tongue detection switch 180 is not triggered by the abutting portion 231, the door body is in an unclamped state at this time, and the controller reminds the user that the door body is not closed at this time through an alarm or a buzzer. Note that, the tongue detection switch 180 is a micro switch with a pressing contact, which is commonly used in the market.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A lock body for detecting a door opening and closing state, comprising:

2. The lock body for detecting a door opening and closing state according to claim 1, wherein the safety tongue pulling plate is provided with an unlocking portion, and the latch tongue pulling plate is provided with an unlocking inclined surface; the unlocking inclined surface is used for abutting against the unlocking part; when the conical striking tongue of the safety tongue pulling plate stretches out of the second bolt hole under the pushing of the second reset spring, the unlocking part pushes the inclined tongue locking plate to rotate through the unlocking inclined plane so as to rotate the locking part to be separated from a preset locking position, and the inclined tongue is unlocked.

3. The lock body for detecting a door opening and closing state according to claim 2, wherein the latch lock plate is provided with an accommodating groove, and the unlocking slope extends to the accommodating groove; when the locking part is at a preset locking position, the unlocking part is positioned at the accommodating groove.

4. A lock body for detecting a door opening and closing state according to claim 3, wherein the unlocking portion is provided with an unlocking cambered surface for abutting against the unlocking inclined surface.

5. The lock body for detecting a door opening and closing state according to claim 2, wherein the housing is provided with a first rotation shaft, the latch lock plate rotates with the first rotation shaft, the latch lock plate is provided with a lock arm, and the lock portion and the unlock incline are both provided on the lock arm.

6. The lock body for detecting a door opening and closing state according to claim 1, wherein one end of the second return spring connected to the safety tongue pulling plate has a first mounting opening; the safety tongue pulling plate is provided with a spring hanging arm, and the spring hanging arm is provided with a first extending section used for extending into the first mounting opening.

7. The lock body for detecting a door opening and closing state according to claim 6, wherein one end of the second return spring connected to the latch plate has a second mounting opening; the pushing part is provided with a second extending section for extending into the second mounting opening.

8. The lock body for detecting a door opening and closing state according to claim 1, wherein the oblique tongue component further comprises a connecting rod and a limiting piece; the inclined tongue and the limiting piece are arranged on the connecting rod; the shell is provided with a first chute with the sliding direction parallel to the sliding direction of the inclined tongue, and the limiting piece is provided with a sliding part in sliding connection with the first chute.

9. The lock body for detecting a door opening and closing state according to claim 8, wherein the housing is provided with a fixing piece between the inclined tongue and the limiting piece, and the first return spring is sleeved on the connecting rod; one end of the first return spring is abutted with the inclined tongue, and the other end of the first return spring is abutted with the fixing piece.

10. The lock body for detecting a door opening and closing state according to claim 9, wherein the housing is further provided with a tongue detection switch connected to the controller; the limiting piece is provided with an abutting part for abutting the inclined tongue detection switch; when the inclined tongue is positioned to extend out of the first lock tongue hole, the abutting part abuts against the inclined tongue detection switch.