CN212966425U - Fire alarm device convenient to use - Google Patents

Abstract

The utility model discloses a fire alarm device with convenient use, which comprises a fire alarm main body, wherein the fire alarm main body is fixed on the surface of a wall body through a dismounting mechanism, the dismounting mechanism comprises a limit insert block arranged at the top of the fire alarm main body and a base fixed on the surface of the wall body through an expansion screw, and the base is provided with a limit slot for the limit insert block to be inserted laterally; the base is equipped with anti-disengaging mechanism in the front end both sides that are located spacing slot, and anti-disengaging mechanism includes the locating piece, the front end of locating piece is equipped with spacing slide bar, the front end of spacing slide bar is equipped with along the gliding closing piece of spacing slide bar, be equipped with the spring between closing piece and the locating piece, the spring housing is established on spacing slide bar, be equipped with the spacing through-hole that supplies spacing slide bar tip to pass on the closing piece. The utility model has the characteristics of be convenient for installation and dismantlement, greatly made things convenient for the maintenance work in fire control fire alarm later stage.

Description

Fire alarm device convenient to use

Technical Field

The utility model relates to a fire control technical field, in particular to convenient to use's fire alarm device.

Background

The fire alarm system is also called fire automatic alarm system, and is composed of trigger device, fire alarm device and other auxiliary function device. With the continuous development of social economy, the living standard is continuously improved, countless household appliances enter the lives of people, people enjoy the convenience brought by science and technology as much as possible, meanwhile, the fire protection consciousness of people is gradually faded away, the hidden danger of fire is accompanied by people, in recent years, the fire frequently occurs, huge loss is caused to the lives and properties of people, and great threat is brought to people. The existing fire alarm for fire extinction and elimination generally adopts a smoke sensor and a controller to realize an alarm function, but when the existing fire alarm for fire fighting is installed, the fire alarm for fire fighting is directly fixed on a ceiling or a wall surface by using screws, so that the installation is inconvenient, and meanwhile, the later-stage LED lamp is inconvenient to overhaul.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient to use's fire alarm device. The utility model has the characteristics of be convenient for installation and dismantlement, greatly made things convenient for the maintenance work in fire control fire alarm later stage.

The technical scheme of the utility model: the fire alarm device convenient to use comprises a fire alarm main body, wherein the fire alarm main body is fixed on the surface of a wall body through a dismounting mechanism, the dismounting mechanism comprises a limiting insertion block arranged at the top of the fire alarm main body and a base fixed on the surface of the wall body through an expansion screw, and a limiting insertion slot for the limiting insertion block to be inserted laterally is formed in the base; the anti-falling mechanism comprises a positioning block, a limiting slide rod is arranged at the front end of the positioning block, a closing block which slides along the limiting slide rod is arranged at the front end of the limiting slide rod, a spring is arranged between the closing block and the positioning block, the spring is sleeved on the limiting slide rod, a limiting through hole for the end part of the limiting slide rod to pass through is formed in the closing block, and a limiting sealing head matched with the limiting through hole is arranged at the end part of the limiting slide rod; be equipped with the spacing installation cavity that supplies the closing piece to stretch into in the spacing slot on the base, the locating piece is fixed mutually through bolt and base lateral wall, the both sides of closing piece all are equipped with the direction slope that the slope set up.

In the fire alarm device convenient to use, the limiting seal head is provided with the threaded column, the top end of the limiting slide rod is provided with a screw hole matched with the threaded column, and the outer end part of the limiting seal head is provided with a screw hole.

In the fire alarm device convenient to use, the two sides of the base are provided with the positioning strips, and the positioning strips are provided with a plurality of positioning through holes.

In the fire alarm device convenient to use, the spring is arranged between the closing block and the positioning block in a pressing state.

In the fire alarm device convenient to use, the end part of the limiting sliding rod does not extend into the limiting slot.

Compared with the prior art, the utility model has the advantages of it is following:

1. the fire alarm main body is fixed on the surface of a wall body through the specific dismounting mechanism, when the fire alarm main body is installed, the base is firstly fixed on the surface of the wall body, and then the limiting insertion block at the top of the fire alarm main body is laterally inserted into the limiting insertion groove, so that the rapid installation work of the fire alarm main body is completed, and the limiting anti-falling function is achieved under the automatic closing action of the anti-falling mechanism when the limiting insertion block is inserted into the limiting insertion groove; when inserting spacing inserted block into spacing slot, the tip of spacing inserted block is inconsistent with the closed piece, and under the effect on direction slope, the closed piece contracts along spacing installation cavity in the same phase, and when inserting spacing inserted block into spacing slot bottom, under the elastic recovery of spring, the outer tip of spacing inserted block is inconsistent with the bottom side on the opposite side direction slope of closed block, and then played the effect of spacing anticreep, and when needs are dismantled to fire alarm main part, only need manual power reverse promotion fire alarm main part with spacing inserted block from spacing slot withdrawal can, then the outer tip of spacing inserted block is inconsistent with the closed piece, and under the effect on direction slope, the closed piece contracts along spacing installation cavity in the same phase, and be convenient for spacing inserted block to take out from spacing slot. The utility model discloses a this kind of disassembly body has avoided the fire alarm main part directly to pass through the fix with screw on the building top to have the fire alarm main part of being convenient for and install and dismantle, greatly made things convenient for the maintenance work of the fire alarm main part in later stage.

2. The utility model discloses be equipped with the screw thread post on the spacing head, the top of spacing slide bar be equipped with screw thread post complex screw, the outer tip of spacing head is equipped with the screw hole, has the characteristics of being convenient for assemble and dismantling.

3. Spacing slide bar's tip can not take place to contradict with spacing inserted block in not stretching into spacing slot, and the spacing inserted block of being convenient for insert and extract.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation of the anti-separation mechanism;

FIG. 3 is a schematic structural view of the anti-separation mechanism;

fig. 4 is an installation schematic diagram of the limiting seal head.

1. A fire alarm main body; 2. a disassembly mechanism; 3. a wall body; 4. limiting the inserting block; 5. an expansion screw; 6. a base; 7. limiting slots; 8. an anti-drop mechanism; 9. positioning blocks; 10. a limiting slide bar; 11. a closing block; 12. a spring; 13. a limiting through hole; 14. limiting end sockets; 15. A limiting installation cavity; 16. a guide ramp; 17. a threaded post; 18. a screw hole; 19. a screwdriver hole; 20. positioning the lath; 21. and positioning the through hole.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a fire alarm device convenient to use, as shown in fig. 1-4, comprises a fire alarm main body 1, wherein the fire alarm main body 1 is fixed on the surface of a wall 3 through a dismounting mechanism 2, the dismounting mechanism 2 comprises a limiting insert block 4 arranged at the top of the fire alarm main body 1 and a base 6 fixed on the surface of the wall 3 through an expansion screw 5, and the base 6 is provided with a limiting slot 7 for the lateral insertion of the limiting insert block 4; the anti-falling device is characterized in that anti-falling mechanisms 8 are arranged on two sides of the front end of the limiting slot 7 of the base 6, each anti-falling mechanism 8 comprises a positioning block 9, a limiting slide rod 10 is arranged at the front end of each positioning block 9, a closing block 11 sliding along the limiting slide rod 10 is arranged at the front end of each limiting slide rod 10, a spring 12 is arranged between each closing block 11 and each positioning block 9, each spring 12 is sleeved on the corresponding limiting slide rod 10, a limiting through hole 13 for the end of each limiting slide rod 10 to penetrate through is formed in each closing block 11, and a limiting sealing head 14 matched with the corresponding limiting through hole 13 is arranged at the; the fire alarm device is characterized in that a limiting installation cavity 15 for the closing block 11 to extend into the limiting slot 7 is formed in the base 6, the positioning block 9 is fixed with the side wall of the base 6 through bolts, and the two sides of the closing block 11 are respectively provided with a guiding slope 16 which is obliquely arranged, the fire alarm device body 1 is fixed on the surface of the wall 3 through the specific disassembling mechanism 2, when the fire alarm device body 1 is installed, the base 6 is firstly fixed on the surface of the wall 3, then the limiting insertion block 4 at the top of the fire alarm device body 1 is laterally inserted into the limiting slot 7, so that the rapid installation work of the fire alarm device body 1 is completed, and the limiting and anti-falling functions are achieved under the automatic closing action of the anti-falling mechanism 8 when the limiting insertion block 4 is inserted into the limiting slot 7; when the limit insert block 4 is inserted into the limit slot 7, the end part of the limit insert block 4 is pressed against the closing block 11, under the action of the guide slope 16, the closing block 11 contracts along the limiting installation cavity 15, when the limiting inserting block 4 is inserted into the bottom of the limiting inserting groove 7, under the elastic recovery of the spring 12, the outer end of the limit insert 4 is against the bottom side of the other side guide slope 16 of the closing block 11, thereby playing the role of limiting and preventing the fire fighting alarm body 1 from falling off, when the fire fighting alarm body 1 needs to be disassembled, the fire fighting alarm body 1 is pushed reversely by hand to withdraw the limiting insertion block 4 from the limiting insertion slot 7, the outer end part of the limit insert block 4 is abutted against the closing block 11, and under the action of the guide slope 16, the closing block 11 is retracted along the limit mounting cavity 15, so that the limit insert block 4 is conveniently drawn out from the limit slot 7. The utility model discloses a this kind of disassembly body 2 has avoided fire alarm main part 1 directly to pass through the fix with screw on the building roof to have the fire alarm main part 1 of being convenient for and install and dismantle, greatly made things convenient for the maintenance work of the fire alarm main part 1 in later stage.

The limiting seal head 14 is provided with a threaded column 17, the top end of the limiting sliding rod 10 is provided with a screw hole 18 matched with the threaded column 17, and the outer end part of the limiting seal head 14 is provided with a screw hole 19.

The two sides of the base 6 are provided with positioning strips 20, and the positioning strips 20 are provided with a plurality of positioning through holes 21.

The spring 12 is arranged between the closing block 11 and the positioning block 9 in a compressed state.

The end part of the limiting slide rod 10 does not extend into the limiting slot 7 and does not collide with the limiting insertion block 4, so that the limiting insertion block 4 can be conveniently inserted and pulled out.

The working principle is as follows: the utility model fixes the fire alarm main body 1 on the surface of the wall body 3 through the specific dismounting mechanism 2, when the fire alarm main body 1 is installed, firstly, the base 6 is fixed on the surface of the wall body 3, then the limit insert block 4 at the top of the fire alarm main body 1 is inserted into the limit slot 7 in the lateral direction, thereby completing the quick installation work of the fire alarm main body 1, and the limit insert block 4 is inserted into the limit slot 7 under the automatic closing action of the anti-drop mechanism 8, thereby playing the role of limiting and anti-drop; when the limit insert block 4 is inserted into the limit slot 7, the end part of the limit insert block 4 is pressed against the closing block 11, under the action of the guide slope 16, the closing block 11 contracts along the limiting installation cavity 15, when the limiting inserting block 4 is inserted into the bottom of the limiting inserting groove 7, under the elastic recovery of the spring 12, the outer end of the limit insert 4 is against the bottom side of the other side guide slope 16 of the closing block 11, thereby playing the role of limiting and preventing the fire fighting alarm body 1 from falling off, when the fire fighting alarm body 1 needs to be disassembled, the fire fighting alarm body 1 is pushed reversely by hand to withdraw the limiting insertion block 4 from the limiting insertion slot 7, the outer end part of the limit insert block 4 is abutted against the closing block 11, and under the action of the guide slope 16, the closing block 11 is retracted along the limit mounting cavity 15, so that the limit insert block 4 is conveniently drawn out from the limit slot 7. The utility model discloses a this kind of disassembly body 2 has avoided fire alarm main part 1 directly to pass through the fix with screw on the building roof to have the fire alarm main part 1 of being convenient for and install and dismantle, greatly made things convenient for the maintenance work of the fire alarm main part 1 in later stage.

Claims (5)

1. Convenient to use's fire alarm device, including fire alarm main part (1), its characterized in that: the fire alarm main body (1) is fixed on the surface of a wall body (3) through a dismounting mechanism (2), the dismounting mechanism (2) comprises a limiting insertion block (4) arranged at the top of the fire alarm main body (1) and a base (6) fixed on the surface of the wall body (3) through an expansion screw (5), and a limiting insertion slot (7) for the limiting insertion block (4) to be laterally inserted is formed in the base (6); the anti-falling device is characterized in that anti-falling mechanisms (8) are arranged on two sides of the front end of the limiting slot (7) of the base (6), each anti-falling mechanism (8) comprises a positioning block (9), a limiting slide rod (10) is arranged at the front end of each positioning block (9), a closing block (11) sliding along the limiting slide rod (10) is arranged at the front end of each limiting slide rod (10), a spring (12) is arranged between each closing block (11) and each positioning block (9), the spring (12) is sleeved on the limiting slide rod (10), a limiting through hole (13) for the end of each limiting slide rod (10) to penetrate through is formed in each closing block (11), and a limiting seal head (14) matched with the limiting through hole (13) is arranged at the end of each limiting; be equipped with on base (6) and supply closing piece (11) to stretch into spacing installation cavity (15) in spacing slot (7), locating piece (9) are fixed mutually through bolt and base (6) lateral wall, the both sides of closing piece (11) all are equipped with direction slope (16) that the slope set up.

2. A fire alarm unit as defined in claim 1, wherein: the screw thread sealing head is characterized in that a screw thread column (17) is arranged on the limiting sealing head (14), a screw hole (18) matched with the screw thread column (17) is formed in the top end of the limiting sliding rod (10), and a screw cutter hole (19) is formed in the outer end portion of the limiting sealing head (14).

3. A fire alarm unit as defined in claim 1, wherein: the both sides of base (6) are equipped with location slat (20), are equipped with a plurality of positioning hole (21) on location slat (20).

4. A fire alarm unit as defined in claim 1, wherein: the spring (12) is arranged between the closing block (11) and the positioning block (9) in a pressing state.

5. A fire alarm unit as defined in claim 1, wherein: the end part of the limiting slide rod (10) does not extend into the limiting slot (7).

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