CN220121332U

CN220121332U - Fire alarm button of explosion-proof fire hydrant

Info

Publication number: CN220121332U
Application number: CN202321727423.4U
Authority: CN
Inventors: 滕光明
Original assignee: Zhejiang Chuangxin Explosion Proof Equipment Co ltd
Current assignee: Zhejiang Chuangxin Explosion Proof Equipment Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-12-01
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a fire alarm button of an explosion-proof fire hydrant, which comprises a lower shell, an upper shell and an alarm button body, wherein a cavity for installing the alarm button body is formed between the lower shell and the upper shell, a starting cover plate and a reset hole are formed in the alarm button body, a reset key is inserted into the reset hole, a first fixing hole and a second fixing hole are formed in the upper shell, the first fixing hole is opposite to the starting cover plate, the starting button for pressing the starting cover plate after being pressed is movably installed in the first fixing hole, the second fixing hole is positioned on the upper shell and opposite to the reset hole, a reset knob with the end part in driving connection with the reset key is movably installed in the second fixing hole, and the reset knob drives the reset key to rotate together so as to reset the starting cover plate. The fire alarm button provided by the utility model has the beneficial effects of comprehensive explosion-proof protection function, and simple integral structure, so as to facilitate production, assembly or disassembly and maintenance.

Description

Fire alarm button of explosion-proof fire hydrant

Technical Field

The utility model belongs to the technical field of fire alarm buttons, and particularly relates to an explosion-proof fire hydrant fire alarm button.

Background

Fire hydrant fire alarm buttons are often installed in public places, after a fire disaster occurs, operators manually press the fire hydrant buttons and send signals to a fire alarm controller, and after the fire alarm controller receives alarm signals, the fire alarm controller displays the number or the position of the alarm buttons and sends alarm sounds to inform fire fighters of fire extinguishing work.

The traditional fire hydrant fire alarm button has the advantages that the shell is weak and does not have an explosion-proof function, and the fire hydrant fire alarm button can not be used after being impacted by explosion, so that the explosion-proof fire alarm button is currently available, for example, a patent document with the publication number of CN216053233U discloses an explosion-proof manual fire alarm button which comprises a lower shell, an explosion-proof hand newspaper board, an upper shell and a device cover; a button is fixed at the center of the top end of the explosion-proof hand newspaper board, and the explosion-proof hand newspaper board is fixed in the inner cavity of the upper shell through a cross pan head screw; the upper shell is connected with the lower shell through an inner hexagonal cylindrical head screw; the upper shell is provided with a plurality of through holes, the light guide column is arranged on the upper shell through the through holes, the spring A is wound on the key shaft, and one end of the key shaft is fixed on the through holes of the upper shell through the key flange sleeve and the explosion-proof hand newspaper board; the decorative cover is provided with an operation lamp panel, a spring B, a buckle, a key flip and a device flip; the top surface of the decorative cover is provided with a groove corresponding to the key flip, and the key is stored in the groove of the decorative cover through the key flip.

Taking the explosion-proof manual fire alarm button as an example, the explosion-proof manual fire alarm button has a certain explosion-proof function, but the following disadvantages still exist: 1. the explosion protection is not comprehensive enough, for example, the decorative cover part lacks corresponding explosion protection; 2. a large number of scattered parts are arranged between the upper shell and the lower shell, so that the whole structure is complex, and the production, the assembly, the disassembly and the maintenance are inconvenient.

Disclosure of Invention

At present, a fire alarm button which has comprehensive explosion-proof protection function and is convenient to assemble and disassemble is lacking, and in view of the above, the following utility model is proposed:

the utility model provides an explosion-proof fire hydrant fire alarm button, includes casing, last casing, alarm button body down, be formed with the cavity of installing the alarm button body between casing and the last casing down, be equipped with starting cover plate and reset hole on the alarm button body, reset key has been inserted in the reset hole, be equipped with first fixed orifices and second fixed orifices on the last casing, first fixed orifices is just to starting cover plate, movable mounting presses down the starting button of starting cover plate after pressing in the first fixed orifices, the second fixed orifices is located on the last casing and just to the reset hole, and its inside movable mounting has the tip to drive the reset knob that is connected with reset key looks transmission, the reset key takes place to rotate in order to let starting cover plate reset together when the reset knob, releases the start-up of alarm button body.

Preferably, the start button further comprises a pressing rod and a first fixing seat, the pressing rod is movably inserted into the first fixing seat, one end of the pressing rod penetrates through the cavity to be out, and the first fixing seat is installed in the first fixing hole.

Preferably, the starting button further comprises a spring, the end part of the pressure rod, which is positioned on the outer side of the upper shell, is provided with a rod head with the diameter larger than that of the first fixing hole, the spring is sleeved outside the pressure rod, and the two ends of the spring are attached to the first fixing seat and the rod head.

Preferably, the compression bar is provided with a first annular groove and a second annular groove, the first annular groove is positioned in the first fixing seat, the second annular groove is positioned at the end part of the compression bar and penetrates out of the first fixing seat, the first annular groove is internally sleeved with a sealing ring, and a gear piece for preventing the compression bar from sliding out of the first fixing seat is arranged in the second annular groove.

Preferably, the reset knob further comprises a rotating rod and a second fixing seat, the rotating rod is movably inserted into the second fixing seat in a penetrating mode, a protruding block is arranged at the end portion of the rotating rod, located in the cavity, of the rotating rod, and a clamping groove for inserting the end portion of the reset key is formed in the protruding block.

Preferably, a third annular groove is formed in the end portion, located on the outer side of the upper shell, of the rotating rod, a gear piece is installed in the third annular groove, and the gear piece and the protruding block prevent the rotating rod from sliding out of the second fixing seat.

Preferably, the end of the rotating rod, which is positioned outside the upper shell, is provided with a rotating groove with a specific shape, so that the alarm of the release alarm button is prevented from being touched by an operator by mistake.

Preferably, the gear piece is a notch gasket which is sleeved in the corresponding annular groove to prevent the corresponding compression bar or the corresponding rotating bar from being separated from the fixed seat.

Preferably, a display window opposite to the starting cover plate is arranged on the upper shell, and the display window is made of explosion-proof glass and can resist certain external explosion impact.

Advantageous effects

The fire alarm button of the explosion-proof fire hydrant has the beneficial effects that the explosion-proof protection of the alarm button body is comprehensive, fewer connecting parts are arranged between the upper shell and the lower shell and the alarm button body, and the explosion-proof fire alarm button is convenient to produce, assemble or disassemble and maintain.

Drawings

FIG. 1 is a schematic perspective view of embodiment 1 of the present utility model;

FIG. 2 is a schematic perspective view of an actuating button according to the present utility model;

FIG. 3 is a schematic view of an explosion structure of an actuator button according to the present utility model;

FIG. 4 is a schematic cross-sectional view of an actuator button according to the present utility model;

FIG. 5 is a schematic perspective view of a reset knob according to the present utility model;

FIG. 6 is a schematic diagram of an exploded view of a reset knob according to the present utility model;

FIG. 7 is a schematic perspective view of the alarm button body according to the present utility model;

FIG. 8 is a schematic perspective view of the lower housing of the present utility model;

FIG. 9 is a schematic diagram of the front view of the upper housing of the present utility model;

FIG. 10 is an enlarged schematic view of the structure of FIG. 7A according to the present utility model;

fig. 11 is a schematic perspective view of embodiment 2 of the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a lower housing; 2. an upper housing; 3. an alarm button body; 4. a start button; 5. a reset knob; 11. a connection hole; 12. a mounting base; 21. a display window; 22. a first fixing hole; 23. a second fixing hole; 31. starting the cover plate; 32. resetting a key; 33. a reset hole; 41. a compression bar; 42. a first fixing seat; 43. a spring; 44. a seal ring; 45. a gear member; 411. a club head; 412. a first annular groove; 413. a second annular groove; 51. a rotating lever; 52. the second fixing seat; 521. a third annular groove; 522. a protruding block; 523. a clamping groove; 524. and a rotary groove.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in the following examples.

It will be apparent that the described embodiments are some, but not all, of the embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-10, an explosion-proof fire hydrant fire alarm button is a preferred embodiment of the present utility model, and comprises a lower casing 1, an upper casing 2, and an alarm button body 3, wherein the lower casing 1 and the upper casing 2 are made of metal with high strength and explosion-proof performance, specifically, in this embodiment, the upper casing 2 and the lower casing 1 are made of cast iron or cast aluminum alloy, the thickness of the metal except for the through hole and the connection position is greater than 5mm, the four corners of the upper casing 2 and the lower casing 1 are provided with connection holes 11, the connection holes 11 are provided with bolt fasteners, when the upper casing 2 and the lower casing 1 need to be detached, the bolt fasteners in the connection holes 11 are directly detached, which is convenient, a plurality of mounting seats 12 are provided in the lower casing 1, after the upper casing 2 is fixedly mounted on the lower casing 1, a closed cavity is formed between the upper casing 2 and the lower casing, the alarm button body 3 is mounted on the mounting seats 12 through the bolt fasteners, accordingly, the bolt fasteners on the mounting seats are removed, and the alarm button body 1 can be detached.

The alarm button body 3 is provided with a starting cover plate 31 and a reset hole 33, after the starting cover plate 31 is pressed, the alarm button body 3 sends out a signal to continuously alarm, a reset key 32 matched with the alarm button body is always inserted into the reset hole 33, the alarm button body 3 can be reset after the reset key 32 rotates, in the embodiment, the reset hole 33 is positioned at the bottom of the alarm button body 3, the upper shell 2 is respectively provided with a first fixing hole 22 and a second fixing hole 23, the first fixing hole 22 is opposite to the starting cover plate 31, the second fixing hole 23 is positioned at the bottom of the upper shell 2 and opposite to the reset hole 33, a starting button 4 is installed in the first fixing hole 22, the starting button 4 can downwards press the starting cover plate 31 after being pressed, the alarm button body 3 is started, the pressing rod 41 can vertically move relative to the upper shell 2 and downwards press the starting cover plate 31 to carry out fire alarm, a reset knob 5 is installed in the second fixing hole 23, the end part of the reset knob 5 is connected with the end part of the reset key 32 in a transmission mode, and the reset knob 3 can be driven to rotate together, and the alarm button body 3 can be reset in a transmission mode, and the alarm button body 3 can be reset.

The alarm button body 3 is protected between the lower shell 1 and the upper shell 2 in an omnibearing manner, and even if an external fire disaster occurs and severe explosion occurs, the alarm button body 3 is not damaged, so that an operator can press the start button 4 at any time to alarm, and after the fire disaster is over, the reset knob 5 can be rotated to release the alarm; fewer scattered parts are arranged between the lower shell 1 and the upper shell 2, so that the production, the assembly and the disassembly and the maintenance are convenient.

In this embodiment, the above-mentioned reset hole 33, reset key 32, reset knob 5 are all located at the bottom of the fire alarm button body 3, so as to reduce the possibility that the fire alarm button body 3 is reset by an operator when the fire alarm button body 3 is started, and reduce dust entering the reset knob 5.

Specifically, the start button 4 further includes a first fixing seat 42, a pressing rod 41, and a spring 43, the first fixing seat 42 is fixed on the first fixing seat 42, a through hole for inserting the pressing rod 41 is provided in the first fixing seat 42, two ends of the pressing rod 41 respectively penetrate out of the through hole, one end of the outer side face of the upper shell 2 extends to be provided with a disc-shaped rod head 411, the diameter of the rod head 411 is larger than that of the through hole, the other end of the pressing rod 41 penetrates into the cavity from the through hole, the spring 43 is sleeved on the pressing rod 41, two ends of the spring are respectively attached to the rod head 411 and the first fixing seat 42, and after the pressing rod 41 is pressed, the pressing rod 41 is automatically reset by the elastic force of the spring 43.

Further, a first annular groove 412 and a second annular groove 413 are disposed on the compression bar 41, the first annular groove 412 is located in the middle of the compression bar 41, when the compression bar 41 is fully inserted, the first annular groove 412 is located in the first fixing seat 42, the second annular groove 413 is located at an end portion of the compression bar 41 penetrating out of the cavity, a sealing ring 44 is sleeved in the first annular groove 412, a gear 45 with a size larger than the diameter of the through hole in the first fixing seat 42 is mounted in the second annular groove 413, after the gear 45 is mounted, the compression bar 41 is pushed by the spring 43 to be influenced, and is attached to the bottom of the first mounting seat 12, and the gear 45 prevents the compression bar 41 from sliding out of the first fixing seat 42 and the first fixing seat 42 from being separated from the upper shell 2.

The through hole in the first fixing seat 42 comprises a large through hole and a small through hole which are connected through two through holes, the large through hole is connected with the outside, the small through hole is connected with the cavity, the diameter of the large through hole is larger than that of the pressing rod 41, the diameter of the first annular groove 412 is between the large through holes after the first annular groove 412 is sleeved with the sealing ring 44, the pressing rod 41 starts to move from the initial position until the sealing ring 44 contacts with the small through hole, the sealing ring 44 limits the stroke of the pressing rod 41, and the starting cover plate 31 is prevented from being damaged due to excessive pressing force.

Specifically, the reset knob 5 further includes a rotating rod 51 and a second fixing seat 52 fixed in the second fixing hole 23, a through hole into which the rotating rod 51 is inserted is provided in the second fixing seat 52, two ends of the rotating rod 51 penetrate through the through hole, a cylindrical protruding block 522 with a diameter larger than that of the through hole is provided on an end portion of the rotating rod 51 located inside the upper housing 2 in the cavity, a clamping groove 523 with a shape matched with that of an end portion of the reset key 32 is provided in the protruding block 522, that is, two ends of the reset key 32 are respectively inserted into the clamping groove 523 and the reset hole 33, and the reset key 32 is driven to rotate together in a rotation process of the rotating rod 51 so as to reset the starting cover plate 31.

Specifically, the first fixing base 42 and the first fixing hole 22, and the second fixing base 52 and the second fixing hole 23 are all connected by wire, so as to facilitate disassembly and separation.

The other end of the rotating rod 51 is provided with a third annular groove 521 positioned outside the upper shell 2, a gear 45 is installed in the third annular groove 521, the diameter of the gear 45 is larger than that of the through hole in the second fixing seat 52, and the gear 45 and the protruding block 522 prevent the rotating rod 51 from sliding out of the second fixing seat 52.

In this example, the above-mentioned gear 45 is a notched gasket corresponding to the size of its sleeved annular groove, and the gasket is larger than the diameter of the corresponding adjacent through hole, and when in installation, the gasket is directly clamped into the corresponding annular groove.

Further, the end face of the rotating rod 51 located at the outer end of the upper casing 2 is provided with a rotating groove 524, so as to prevent the alarm from being released by false rotation when a fire disaster occurs, specifically, the rotating groove 524 is shaped like a straight groove, and when the fire disaster is truly released, an operator can reset the alarm button body 3 only by rotating the rotating groove 524 by a corresponding straight screwdriver.

The upper shell 2 is provided with a display window 21 opposite to the starting cover plate 31, so that the running condition of the alarm button body 3 can be observed conveniently, the display window 21 is made of explosion-proof glass, and specifically, the thickness of the explosion-proof glass is not less than 3mm in the embodiment so as to provide omnibearing protection for the alarm button body 3.

Example 2

A part of the reset hole 33 of the fire alarm button is also provided at the front of the alarm button body 3, and the second fixing hole 23 is also provided at the front of the upper case 2 and is opposite to the reset hole 33.

As shown in fig. 11, which is another preferred embodiment of the present utility model, on the basis of embodiment 1, the reset knob 5 is instead disposed at the front of the upper housing 2, so that compared with the fire alarm button in which the reset knob 5 is disposed at the bottom, the reset of the alarm button body 3 is facilitated and the alarm is released, but the dustproof performance at the reset knob 5 is reduced.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an explosion-proof fire hydrant fire alarm button, includes casing (1), goes up casing (2), alarm button body (3) down, be formed with the cavity of installing alarm button body (3) between casing (1) and the last casing (2), be equipped with on the alarm button body (3) and start up apron (31) and reset hole (33), its characterized in that: the utility model discloses a reset button, including casing (2), upper housing (2), reset button (33) are gone up in having inserted reset key (32), be equipped with first fixed orifices (22) and second fixed orifices (23) on casing (2), first fixed orifices (22) are just to start apron (31), movable mounting is pressing back down in first fixed orifices (22) and is pressing start button (4) of start apron (31), second fixed orifices (23) are located casing (2) and just to reset hole (33), and its inside movable mounting has tip and reset button (5) that reset key (32) are connected in the transmission mutually, drive reset key (32) and take place to rotate together in order to let start apron (31) reset when reset button (5), release the start of alarm button body (3).

2. The explosion proof fire hydrant fire alarm button according to claim 1, wherein: the starting button (4) further comprises a pressing rod (41) and a first fixing seat (42), the pressing rod (41) is movably inserted into the first fixing seat (42) and one end of the pressing rod penetrates through the cavity to be out, and the first fixing seat (42) is installed in the first fixing hole (22).

3. The explosion-proof fire hydrant fire alarm button according to claim 2, wherein: the starting button (4) further comprises a spring (43), a rod head (411) with the diameter larger than that of the first fixing hole (22) is arranged at the end part of the compression bar (41) located at the outer side of the upper shell (2), the spring (43) is sleeved outside the compression bar (41), and two ends of the spring are attached to the first fixing seat (42) and the rod head (411).

4. A fire alarm button for an explosion proof fire hydrant according to claim 3, wherein: be equipped with first ring channel (412) and second ring channel (413) on depression bar (41), first ring channel (412) are located first fixing base (42), second ring channel (413) are located the tip of depression bar (41) and wear out from first fixing base (42), sealing washer (44) have been cup jointed in first ring channel (412), install in second ring channel (413) and prevent gear (45) of depression bar (41) from sliding out in first fixing base (42).

5. The explosion proof fire hydrant fire alarm button according to claim 1, wherein: the reset knob (5) further comprises a rotating rod (51) and a second fixing seat (52), the rotating rod (51) is movably inserted into the second fixing seat (52), a protruding block (522) is arranged on the end portion, located in the cavity, of the rotating rod (51), and a clamping groove (523) for inserting the end portion of the reset key (32) is formed in the protruding block (522).

6. The explosion proof fire hydrant fire alarm button according to claim 5, wherein: the end of the rotating rod (51) positioned on the outer side of the upper shell (2) is provided with a third annular groove (521), a gear piece (45) is arranged in the third annular groove (521), and the gear piece (45) and the protruding block (522) prevent the rotating rod (51) from sliding out of the second fixing seat (52).

7. The explosion proof fire hydrant fire alarm button according to claim 5, wherein: the end of the rotating rod (51) positioned outside the upper shell (2) is provided with a rotating groove (524) with a specific shape.

8. A fire alarm button for an explosion proof fire hydrant according to claim 4 or 6, wherein: the gear piece (45) is a notch gasket which is sleeved in the corresponding annular groove.

9. The explosion proof fire hydrant fire alarm button according to claim 1, wherein: the upper shell (2) is provided with a display window (21) opposite to the starting cover plate (31), and the display window (21) is made of explosion-proof glass.