CN210890336U

CN210890336U - Intelligent fire hydrant lock

Info

Publication number: CN210890336U
Application number: CN201921998781.2U
Authority: CN
Inventors: 沈凯明; 修志芳; 蒋荣金; 朱建锋; 黄学礼; 陈阳; 王劭炜; 张薄
Original assignee: Hangzhou Zhibin Technology Co ltd
Current assignee: Hangzhou Zhibin Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-30
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a fire hydrant intelligent lock in the technical field of fire-fighting equipment internet of things terminals, which comprises a pipeline, a lock shell is fixedly arranged on the front wall of the pipeline, a valve rod is arranged in the inner cavity of the pipeline, a ratchet wheel is clamped on the outer wall of the valve rod, the ratchet wheel is positioned in the inner cavity of the lock shell, a first limit switch and a second limit switch are respectively arranged in the inner cavity of the lock shell, a speed reducing motor is screwed on the front wall of the lock shell through a speed reducing motor fixing block, an output shaft of the speed reducing motor penetrates through the front wall of the lock shell, an eccentric cam is arranged on the output shaft of the speed reducing motor through a C key, a pawl is pinned in the inner cavity of the lock shell, the end part of the pawl is clamped with the outer wall of the ratchet wheel, the outer wall of the eccentric cam is contacted with the outer wall of the pawl, an extension spring column is fixedly, the fire hydrant or the valve cannot be started quickly when the unlocking fault or fire emergency is avoided, and the environmental adaptability is stronger.

Description

Intelligent fire hydrant lock

Technical Field

The utility model discloses a fire hydrant intelligence lock specifically is fire-fighting equipment thing networking terminal technical field.

Background

The fire extinguishing system comprises an outdoor fire hydrant system, an indoor fire hydrant system and a fire extinguisher system, and some fire extinguishing systems also comprise an automatic spraying system, a water cannon system, a gas fire extinguishing system, a fire detection system, a water mist system and the like. The fire hydrant suit is generally formed by combining a fire box, a fire hose, a water gun, a connecting buckle, a bolt, a clamp and the like, the fire hydrant is mainly used for a fire truck to take water from a municipal water supply network or an outdoor fire-fighting water supply network to put out a fire, and the fire hydrant can also be directly connected with the water hose and the water gun to discharge water to put out a fire. Therefore, indoor and outdoor fire hydrant systems are also one of the important fire fighting devices for fighting fires.

The traditional fire hydrant and the fire hydrant valve are opened and closed by rotating the valve rod of the valve through a wrench, so that water is easily taken illegally and is stolen.

Disclosure of Invention

An object of the utility model is to provide a fire hydrant intelligence lock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent fire hydrant lock comprises a pipeline, a lock shell is fixedly arranged on the front wall of the pipeline, a valve rod is arranged in the inner cavity of the pipeline, the outer wall of the valve rod is clamped with a ratchet wheel which is positioned in the inner cavity of the lock shell, the inner cavity of the lock shell is respectively provided with a first limit switch and a second limit switch, the front wall of the lock shell is in threaded connection with a speed reducing motor through a speed reducing motor fixing block, an output shaft of the speed reducing motor penetrates through the front wall of the lock shell, an output shaft of the speed reducing motor is provided with an eccentric cam through a C key, the eccentric cam is positioned in the inner cavity of the lock shell, a pawl is pinned in the inner cavity of the lock shell, the end part of the pawl is clamped with the outer wall of the ratchet wheel, the outer wall of the eccentric cam is contacted with the outer wall of the pawl, the antetheca fixed mounting of lock shell has the extension spring post, the outer wall of extension spring post is provided with extension spring, extension spring's one end and the outer wall connection of pawl.

Preferably, the rear wall of the lock case is provided with a fixed block through a screw, the bottom wall of the fixed block is provided with an emergency unlocking pin groove, an emergency unlocking pin and a first compression spring are arranged in an inner cavity of the emergency unlocking pin groove, one end of the emergency unlocking pin is located in the inner cavity of the first compression spring, and two ends of the compression spring are respectively in contact with a shaft shoulder of the emergency unlocking pin and the emergency unlocking pin groove wall of the fixed block.

Preferably, the diapire of fixed block is opened there is the draw-in groove, and the inner chamber of draw-in groove is provided with bayonet lock, second compression spring and the round pin that resets respectively, second compression spring is located the inner chamber of bayonet lock, the one end of bayonet lock and the tip joint of emergency unlocking round pin, the tip of the round pin that resets contacts with the outer wall of bayonet lock.

Preferably, the end of the reset pin is provided with a conical head.

Preferably, the outer wall of the lock shell is screwed with emergency glass.

Compared with the prior art, the beneficial effects of the utility model are that:

1) when the device is locked, the pawl and the ratchet wheel can rotate the valve rod to close the valve, but cannot rotate the valve rod to open the valve, so that the device can realize timed automatic locking, solve the problem that the locking is forgotten after use, and avoid the problem that the valve cannot be closed when the valve is not closed when the locking is closed;

2) the device is provided with a speed reducing motor, an eccentric cam, a pawl, an extension spring and a ratchet wheel, manual operation is not needed for unlocking and locking, all components are packaged in a lock shell, artificial damage is avoided, and the environmental adaptability is stronger;

3) the device is provided with a purely mechanical emergency unlocking mechanism, so that the situation that the fire hydrant or the valve cannot be quickly started in the unlocking fault or fire emergency is avoided.

Drawings

FIG. 1 is a schematic top view of the intelligent lock of the present invention;

fig. 2 is a schematic view of the unlocking state of the intelligent lock of the utility model;

fig. 3 is the utility model discloses the emergent state of unblanking schematic diagram of intelligent lock.

In the figure: 100 tubes, 110 lock cases, 120 valve rods, 130 ratchets, 140 first limit switches, 150 second limit switches, 200 reduction motors, 210 eccentric cams, 220 pawls, 230 extension spring posts, 240 extension springs, 300 fixed blocks, 310 emergency unlocking pins, 320 first compression springs, 330 reset pins, 340 second compression springs, 350 bayonet pins, 360 emergency glass.

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.

The utility model provides a fire hydrant intelligence lock, the condition that can't close the valve when having avoided the valve not closed when closing the lock yet, avoid can't launch fire hydrant or valve fast when unblanking trouble or fire control are emergent, environmental suitability is stronger, please refer to fig. 1, including pipeline 100, the antetheca fixed mounting of pipeline 100 has lock shell 110, the inner chamber of pipeline 100 is provided with valve rod 120, the outer wall joint of valve rod 120 has ratchet 130, ratchet 130 is located the inner chamber of lock shell 110, the inner chamber of lock shell 110 is provided with first limit switch 140 and second limit switch 150 respectively, the ratchet 130 center is equipped with the side cut round hole, valve rod 120 passes the ratchet, when valve rod 120 rotates, drive ratchet 130 and rotate;

referring to fig. 1 again, the front wall of the lock case 110 is screwed with a reduction motor 200 through a reduction motor fixing block, an output shaft of the reduction motor 200 penetrates the front wall of the lock case 110, an eccentric cam 210 is mounted on the output shaft of the reduction motor 200 through a C-key, the eccentric cam 210 is located in an inner cavity of the lock case 110, a pawl 220 is pinned in the inner cavity of the lock case 110, an end of the pawl 220 is clamped with an outer wall of the ratchet wheel 130, an outer wall of the eccentric cam 210 contacts with an outer wall of the pawl 220, an extension spring column 230 is fixedly mounted on the front wall of the lock case 110, an outer wall of the extension spring column 230 is provided with an extension spring 240, one end of the extension spring 240 is connected with the outer wall of the pawl 220, the reduction motor 200 is clamped on the lock case 110 through the reduction motor fixing block at the back of the lock case, a rotating shaft of the reduction motor 200 penetrates, the pawl 220 has its pawl end clamped in the ratchet 130 groove and the other end provided with a spring connecting hole connected with one end of an extension spring 240, the other end of the extension spring 240 is connected with an extension spring support 230, the extension spring support 230 is provided with threads screwed into the screw hole of the lock shell 110, the pawl 220 has a cylindrical boss at the folding angle, the lock shell 110 is provided with a circular groove, after the cylindrical boss of the pawl 220 is inserted into the circular groove of the lock shell 110, the pawl 220 can be toggled by the center of the cylindrical boss, when the lock is closed, a lock closing command is sent, the gear motor 200 is started, when the thick end of the eccentric cam 210 rotates to the second limit switch 150, the second limit switch 150 is pressed by the eccentric cam 210 to generate a limit signal, the gear motor 200 and the eccentric cam 210 stop rotating, at this time, the pawl 220 is clamped in the ratchet 130 groove under the pulling force of the extension spring 240, the mechanism is in a lock, the thick end of the eccentric cam 210 jacks up a pawl lever, the pawl 220 is shifted, the first limit switch 140 is extruded by the pawl 220 to generate a limit signal, the speed reducing motor 200 stops rotating, the eccentric cam 210 stops rotating, and at the moment, the claw end of the pawl 220 is shifted out of the groove of the ratchet wheel 130 and is in an unlocking state;

referring to fig. 1 again, the rear wall of the lock case 110 is provided with a fixing block 300 by screws, the bottom wall of the fixing block 300 is provided with an emergency unlocking pin groove, an emergency unlocking pin 310 and a first compression spring 320 are arranged in the inner cavity of the emergency unlocking pin groove, one end of the emergency unlocking pin 310 is arranged in the inner cavity of the first compression spring 320, two ends of the compression spring 320 are respectively contacted with a shoulder of the emergency unlocking pin and the emergency unlocking pin groove wall of the fixing block 300, the bottom wall of the fixing block 300 is provided with a clamping groove, the inner cavity of the clamping groove is respectively provided with a clamping pin 350, a second compression spring 340 and a reset pin 330, the second compression spring 340 is arranged in the inner cavity of the clamping pin 350, one end of the clamping pin 350 is clamped with the end of the emergency unlocking pin 310, the end of the reset pin 330 is contacted with the outer wall of the clamping pin 350, the outer wall of the lock case 110 is screwed with an emergency glass 360, the bayonet 350 is pushed into a bayonet groove of the emergency unlocking pin 310 under the action of the second compression spring 340, the emergency unlocking pin 310 is clamped at an emergency unlocking position at the moment, the pawl 220 is shifted to the unlocking position under the action of the emergency unlocking pin 310 to complete emergency unlocking, the bayonet 350 is pushed out from the bayonet groove of the emergency unlocking pin 310 by pressing the reset pin 330, the emergency unlocking pin 310 returns to an initial position under the action of the first compression spring 320 at the moment, and resetting of the emergency unlocking device is completed.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a fire hydrant intelligence lock which characterized in that: including pipeline (100), the antetheca fixed mounting of pipeline (100) has lock shell (110), the inner chamber of pipeline (100) is provided with valve rod (120), the outer wall joint of valve rod (120) has ratchet (130), ratchet (130) are located the inner chamber of lock shell (110), the inner chamber of lock shell (110) is provided with first limit switch (140) and second limit switch (150) respectively, the antetheca of lock shell (110) has gear motor (200) through gear motor fixed block spiro union, the antetheca of lock shell (110) is run through to the output shaft of gear motor (200), eccentric cam (210) are installed through the C key to the output shaft of gear motor (200), eccentric cam (210) are located the inner chamber of lock shell (110), the inner chamber pin joint of lock shell (110) has pawl (220), the tip and the outer wall joint of ratchet (130) of pawl (220), the outer wall of the eccentric cam (210) is in contact with the outer wall of the pawl (220), an extension spring column (230) is fixedly mounted on the front wall of the lock shell (110), an extension spring (240) is arranged on the outer wall of the extension spring column (230), and one end of the extension spring (240) is connected with the outer wall of the pawl (220).

2. The intelligent fire hydrant lock according to claim 1, wherein: the rear wall of the lock shell (110) is provided with a fixing block (300) through a screw, the bottom wall of the fixing block (300) is provided with an emergency unlocking pin groove, an emergency unlocking pin (310) and a first compression spring (320) are arranged in the inner cavity of the emergency unlocking pin groove, one end of the emergency unlocking pin (310) is located in the inner cavity of the first compression spring (320), and two ends of the compression spring (320) are respectively in contact with a shaft shoulder of the emergency unlocking pin and the emergency unlocking pin groove wall of the fixing block (300).

3. The intelligent fire hydrant lock according to claim 2, wherein: the diapire of fixed block (300) is opened there is the draw-in groove, and the inner chamber of draw-in groove is provided with bayonet lock (350), second compression spring (340) and resets round pin (330) respectively, second compression spring (340) are located the inner chamber of bayonet lock (350), the one end of bayonet lock (350) and the tip joint of emergency unlocking round pin (310), the tip of the round pin that resets (330) contacts with the outer wall of bayonet lock (350).

4. The intelligent fire hydrant lock according to claim 3, wherein: the end part of the reset pin (330) is provided with a conical head.

5. The intelligent fire hydrant lock according to claim 1, wherein: the outer wall of the lock shell (110) is screwed with emergency glass (360).