CN115854183A

CN115854183A - Embedded erection equipment of conflagration siren

Info

Publication number: CN115854183A
Application number: CN202211226691.8A
Authority: CN
Inventors: 吴如梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-28

Abstract

The invention relates to mounting equipment, in particular to embedded mounting equipment for a fire alarm. The invention provides the embedded installation equipment of the fire alarm, which can realize the installation and the extraction of the fire alarm by simply plugging and extracting during operation, has simple operation and can improve the working efficiency. The invention provides an embedded installation device of a fire alarm, which comprises a shell, a fire alarm, a fixing piece and the like; the middle part of the front side of the shell is provided with an opening, a fire alarm can be placed in the opening, the opening is internally connected with a fixing piece in a sliding manner, and the fixing piece is sleeved on the rear side of the fire alarm. When the fire alarm is installed, the fire alarm can be fixed through the first wedge-shaped block and the limiting piece only by directly plugging the fire alarm into the opening of the shell, and when the fire alarm is taken out, the fire alarm only needs to be directly pulled out, so that the operation is simple, and the working efficiency is effectively improved.

Description

Embedded erection equipment of conflagration siren

Technical Field

The invention relates to mounting equipment, in particular to embedded mounting equipment for a fire alarm.

Background

With the increase of fire and power consumption in the modern society, the frequency of fire occurrence is higher and higher, so fire alarm devices are installed in residential buildings or large shopping malls of the modern society, and the fire alarm devices can give an alarm in time when a fire occurs, so that people are reminded to escape, family fire can be prevented, and loss caused by the fire can be reduced.

Through the retrieval, grant patent publication No. CN 110111528A's patent, an electric power scene conflagration siren is disclosed, including the crown plate, the bottom of crown plate is fixed with solid fixed cylinder, the outside of solid fixed cylinder is connected with the support cylinder, the air vent has been seted up to the surface of support cylinder, the support cylinder is equipped with the inner tube, the inner wall fixedly connected with motor branch of inner tube, the one end fixedly connected with motor fixing ring of motor branch, the inner wall fixedly connected with motor of motor fixing ring, the output shaft fixedly connected with flabellum of motor, the bottom fixedly connected with PMKD of support cylinder, PMKD's bottom fixedly connected with smoke transducer and shell, the shell covers smoke transducer, the bottom fixedly connected with red light of shell, the suction hole has been seted up to one side that the bottom of shell is close to the red light, the edge of crown plate bottom runs through there is tight set bolt. The alarm is firmly fixed and easy to detach in the using process, and can quickly sense the occurrence of fire so as to quickly alarm. Above-mentioned fire alarm is when installing, need aim at the wall body with tight set bolt, rethread rotatory tight set bolt makes it just can install in inserting the wall body afterwards, also need during the dismantlement just can dismantle tight set bolt pine of turning round, and the operation process when dismantling and installing is all comparatively loaded down with trivial details, and work efficiency is lower, can not satisfy people's demand.

Therefore, the embedded installation equipment of the fire alarm device is required to be designed, wherein the installation and the extraction of the fire alarm device can be realized only by plugging and extracting the fire alarm device by hands, the operation is simple, and the working efficiency can be realized.

Disclosure of Invention

In order to overcome the defects that the operation process is complicated and the working efficiency is low when the fire alarm is assembled and disassembled by twisting the fastening bolt, the fire alarm embedded type assembling equipment can be assembled and disassembled by simply plugging and taking out the fire alarm during operation, is simple to operate and can improve the working efficiency.

The invention is realized by the following technical approaches:

the utility model provides an embedded erection equipment of conflagration siren, which comprises a housing, the conflagration siren, a fixed part, the protective housing, first elastic component, the locating part, second elastic component and first wedge, open at shell front side middle part has uncovered, can place the conflagration siren in the uncovered, uncovered internal sliding type is connected with the mounting, the mounting cover is at conflagration siren rear side, the equal sliding type in left and right sides is connected with the locating part in the mounting, the locating part is used for pressing from both sides the conflagration siren tight spacing, be connected with first elastic component between locating part and the mounting, one side that left and right sides and two mountings kept away from each other all is connected with the protective housing, the protective housing is used for protecting first elastic component, protective housing sliding type on the locating part is connected in the protective housing on the mounting, upper portion sliding type is connected with first wedge in the shell, first wedge is located the uncovered, first wedge is used for fixing the conflagration siren, all be connected with the second elastic component between first wedge top left and right sides and the shell, two second elastic components set up for bilateral symmetry, still include closing mechanism and fixed establishment, be equipped with closing mechanism and fixed establishment on the shell, be equipped with closing mechanism and fixed establishment, open.

Further explaining, the closing mechanism comprises first bearing seats, first rotating plates, torsion springs, an observation window and first handles, the first bearing seats are connected to the upper portion of the front side face of the shell in a bilateral symmetry mode, the first rotating plates are rotatably connected between the two first bearing seats, the first rotating plates are used for shielding openings in the shell, the torsion springs are connected between the left side and the right side of each first rotating plate and the two first bearing seats, the observation window is installed in the middle of each first rotating plate in an embedded mode, the observation window is used for people to observe fire alarms, and the lower portion of the front side of the observation window is connected with the first handles.

Further, the fixing mechanism comprises limiting frames, third elastic pieces and clamping blocks, the limiting frames are symmetrically connected to the lower portion of the front side of the shell in the bilateral mode, the clamping blocks are connected to the two limiting frames in a sliding mode and used for clamping the first rotating plate, and the third elastic pieces are connected between the two clamping blocks and the two limiting frames.

Further explain, still including pull-out mechanism, pull-out mechanism is including the connecting rod, the pull rod, the fixed block, fourth elastic component and handle, mounting rear side middle part is connected with the connecting rod, the connecting rod rear side is connected with the pull rod, pull rod and connecting rod are used for releasing the mounting, lower part is opened there is the work groove in the shell, connecting rod and pull rod all can slide in the work groove, shell front side lower part intermediate junction has the fixed block, the fixed block is used for leading to the pull rod, the shell is worn out to the pull rod front side and is connected with the fixed block slidingtype, the pull rod is worn out the fixed block part and is connected with the handle, the handle is used for supplying operating personnel to hold, be connected with the fourth elastic component between pull rod front side and the fixed block rear side.

Further explaining, still including supporting mechanism, supporting mechanism is including bracing piece, supporting shoe and fifth elastic component, and the bilateral symmetry formula in shell bottom is connected with two bracing pieces, and the two bracing pieces of the left and right sides are symmetrical setting from beginning to end, and the bracing piece slidable connection has the supporting shoe in, and the supporting shoe is used for supporting with the wall body contact, is connected with the fifth elastic component between bracing piece bottom and the supporting shoe lower part, and the fifth elastic component is used for buffering the removal of bracing piece and shell.

Further explain, still including storage mechanism, storage mechanism is including first connecting block, the case, solid fixed ring, the second bearing seat, second rotor and second handle, shell left side middle part is connected with first connecting block, first connecting block front side is connected with the case, the case is used for the storage tool, the middle part is connected with solid fixed ring in the case, gu fixed ring is used for cliping the instrument, case left side front side longitudinal symmetry formula is connected with the second bearing seat, the rotary type is connected with the second rotor between two second bearing seats, the second rotor is used for blocking the case front side, second rotor front side right part is connected with the second handle, the second handle is used for supplying operating personnel to grab and hold.

Further, the device further comprises a descending mechanism, the descending mechanism comprises a second wedge-shaped block, a second connecting block and a sliding rod, the left side and the right side of the lower portion of the pull rod are connected with the second wedge-shaped block, the lower portions of the front sides of the two clamping blocks are connected with the second connecting block, the front side of the second connecting block is connected with the sliding rod, the sliding rod penetrates through the shell and can slide on the front side of the shell, and the second wedge-shaped block is used for extruding the sliding rod to move.

Further, the first elastic member is a compression spring.

Compared with the prior art, the invention has the following advantages:

1. when the fire alarm is installed, the fire alarm can be fixed through the first wedge-shaped block and the limiting piece only by directly plugging the fire alarm into the opening of the shell, and when the fire alarm is taken out, the fire alarm can be pulled out directly, so that the operation is simple, the working efficiency is effectively improved, and the technical problems in the patent are effectively solved.

2. According to the invention, the fire alarm can be blocked by the first rotating plate, so that the fire alarm is protected, the phenomenon that a pedestrian accidentally touches the fire alarm to cause alarm is avoided, and the first rotating plate is fixed by the clamping block, so that the fire alarm is prevented from being exposed due to the fact that the first rotating plate is rotated out.

3. According to the invention, the fixing piece, the protective shell, the first elastic piece and the limiting piece can be pulled out through the pulling-out mechanism, so that the fire alarm can be placed and taken out of the shell manually, and the operation is more visual and convenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective sectional structural schematic diagram of the present invention.

Fig. 3 is a schematic perspective view of a portion of the closure mechanism of the present invention.

Fig. 4 is a partial perspective view of the fixing mechanism of the present invention.

Fig. 5 is a schematic sectional view of a first partial body of the drawing mechanism of the present invention.

Fig. 6 is a sectional view of a second partial body of the drawing mechanism of the present invention.

Fig. 7 is a schematic view of a first partially-separated body structure of the support mechanism of the present invention.

Fig. 8 is a schematic view of a second partially-separated body structure of the support mechanism of the present invention.

Fig. 9 is a schematic view of a first partial body structure of the storage mechanism of the present invention.

Fig. 10 is a schematic view of a second partially separated body structure of the storage mechanism of the present invention.

Fig. 11 is a schematic cross-sectional view of a first partial body of the descent mechanism of the present invention.

Fig. 12 is a schematic sectional view of a second partial body of the descent mechanism of the present invention.

Fig. 13 is an enlarged view of part a of the present invention.

The meaning of the reference symbols in the figures: 1: housing, 2: fire alarm, 3: fixing piece, 4: protective housing, 5: first elastic member, 6: a stopper, 7: second elastic member, 8: first wedge block, 9: closing mechanism, 901: first bearing seat, 902: first rotation plate, 903: torsion spring, 904: observation window, 905: first grip, 10: fixing mechanism, 1001: spacing frame, 1002: third elastic member, 1003: a latch, 11: pulling-out mechanism, 1101: connecting rod, 1102: tie bar, 1103: fixed block, 1104: fourth elastic member, 1105: handle, 1106: working tank, 12: support mechanism, 1201: support bar, 1202: support block, 1203: fifth elastic member, 13: storage mechanism, 1301: first connection block, 1302: storage box, 1303: fixing ring, 1304: second bearing housing, 1305: second rotating plate, 1306: second grip, 14: descent mechanism, 1401: second wedge block, 1402: second connecting block, 1403: a slide bar.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

Example 1

The utility model provides an embedded erection equipment of fire alarm, as shown in figure 1, figure 2 and figure 13, including shell 1, fire alarm 2, mounting 3, protective housing 4, first elastic component 5, locating part 6, second elastic component 7 and first wedge 8, open at the front side middle part of shell 1 has the uncovered, can place fire alarm 2 in the uncovered internal sliding type is connected with mounting 3, mounting 3 cover is at fire alarm 2 rear side, the equal sliding type in mounting 3 both sides is connected with locating part 6, both sides locating part 6 presss from both sides fire alarm 2 tightly under the effect of first elastic component 5 in both sides, be connected with first elastic component 5 between locating part 6 and the mounting 3, first elastic component 5 is compression spring, the left and right sides and the one side that two mounting 3 kept away from each other in two locating parts 6 have bolted connection protective housing 4, protective housing 4 cover is protecting the outside first elastic component 5, protective housing 4 sliding type on locating part 6 is connected in mounting 4 on the mounting 3, upper portion is connected with first wedge 8 of slidingtype in shell 1, first wedge 8 is located the uncovered internal sliding type, the second elastic component 7 is equipped with second elastic component and closed elastic component 7 and is closed mechanism 10 and can block the mechanism 10 when the closed elastic component 7 and the shell 7 is set up the closed elastic mechanism for the closed mechanism 10 on the left and right sides of the closed elastic component, it can be used the closed mechanism to block mechanism to use the closed mechanism to block mechanism 10.

As shown in fig. 1 and 3, the closing mechanism 9 includes a first bearing seat 901, a first rotating plate 902, a torsion spring 903, an observation window 904 and a first handle 905, the first bearing seats 901 are connected to the upper portion of the front side of the housing 1 in a left-right symmetric manner, the first rotating plate 902 is rotatably connected between the two first bearing seats 901, the first rotating plate 902 swings downward to block an opening, the torsion springs 903 are connected between the left and right sides of the first rotating plate 902 and the two first bearing seats 901, the observation window 904 is embedded in the middle of the first rotating plate 902, a person can observe the fire alarm 2 inside through the observation window 904, the first handle 905 is bolted to the lower portion of the front side of the observation window 904, and the first rotating plate 902 can be driven to swing by pulling the first handle 905.

As shown in fig. 1 and 4, the fixing mechanism 10 includes a limiting frame 1001, a third elastic member 1002 and a fixture block 1003, the limiting frame 1001 is welded on the lower portion of the front side of the housing 1 in a bilateral symmetry manner, the fixture block 1003 is connected in each of the two limiting frames 1001 in a sliding manner, the fixture block 1003 can abut against the first rotating plate 902, and the third elastic member 1002 is connected between each of the two fixture blocks 1003 and the two limiting frames 1001.

When the fire alarm is required to be installed, the device can be used, when the fixture block 1003 abuts against the first rotating plate 902, the torsion spring 903 is in a compressed state, when the device is used, a user can embed the whole shell 1 into a wall body, when the fire alarm 2 needs to be placed or taken out, the fixture block 1003 can be pulled to move downwards, the third elastic element 1002 is compressed, the fixture block 1003 does not block the first rotating plate 902 any more after moving downwards, at the moment, the first rotating plate 902 rotates upwards under the action of the torsion spring 903 and does not block an opening of the shell 1 any more, then the user can place or take out the fire alarm 2, when the fire alarm is placed, the fire alarm is directly plugged into the opening, the fire alarm 2 can be in contact with the limiting pieces 6 and the first wedge-shaped blocks 8 on two sides, so that the limiting pieces 6 on two sides are pressed to be away from each other, and the first wedge-shaped block 8 is pressed to move upwards, the first elastic member 5 and the second elastic member 7 are both compressed, when the fire alarm 2 is completely plugged, the fire alarm 2 contacts with the plane at the bottom of the first wedge-shaped block 8, at this time, the two side limiting members 6 clamp the fire alarm 2 under the action of the two side first elastic members 5, the first wedge-shaped block 8 fixes the fire alarm 2 under the action of the two second elastic members 7, thereby realizing the technical effect of fixing the fire alarm 2, when the fire alarm 2 needs to be taken out, the fire alarm 2 can be directly taken out, after the fire alarm 2 is taken out, the first wedge-shaped block 8 and the limiting members 6 reset under the action of the two second elastic members 7 and the two first elastic members 5, after the operation is finished, the first handle 905 is pulled to drive the first rotation plate to swing downwards to block the opening 902, people can observe the internal fire alarm 2 through the observation window 904, torsion spring 903 is compressed, loosens fixture block 1003 afterwards, and fixture block 1003 rebound under the effect of third elastic component 1002 supports first rotation board 902 to it is fixed with first rotation board 902, so, just can realize the quick installation and the dismantlement to fire alarm 2, more convenient and fast during the operation can improve work efficiency.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 5 and 6, the device further comprises a pulling-out mechanism 11, the pulling-out mechanism 11 comprises a connecting rod 1101, a pull rod 1102, a fixing block 1103, a fourth elastic element 1104 and a handle 1105, the connecting rod 1101 is welded in the middle of the rear side of the fixing block 3, the pull rod 1102 is welded on the rear side of the connecting rod 1101, the fixing block 3 can be pushed out by the pull rod 1102 and the connecting rod 1101 when the fixing block 3 moves forwards, a working groove 1106 is formed in the lower portion of the housing 1, both the connecting rod 1101 and the pull rod 1102 can slide in the working groove 1106, the fixing block 1103 is bolted in the middle of the lower portion of the front side of the housing 1, the pull rod 1102 can slide in the fixing block 1103 when the pull rod 1102 moves, the front side of the pull rod 1102 penetrates through the housing 1 to be slidably connected with the fixing block 1103, the handle 1105 is connected to the portion of the pull rod 1102 penetrating through the fixing block 1103, an operator can pull the handle 1105 to move, and the fourth elastic element 1104 is connected between the front side of the pull rod 1102 and the rear side of the fixing block 1103.

When the fire alarm needs to be placed or taken out, the first rotating plate 902 can be operated to open, then the handle 1105 is pulled to move forward, the fourth elastic part 1104 is compressed, the handle 1105 moves forward to drive the pull rod 1102 to slide forward in the fixed block 1103, the pull rod 1102 moves forward to drive the connecting rod 1101 to move forward, the connecting rod 1101 can push the fixed part 3 to move forward when moving forward, the fixed part 3 drives the first elastic part 5, the protective shell 4 and the limiting parts 6 to move forward together when moving forward, when the fixed part 3 emerges from the opening, the fire alarm can be placed or taken out, at this time, the fire alarm is placed, the limiting parts 6 at two sides are only squeezed to be away from each other, so that the first elastic part 5 is compressed, and then the fire alarm 2 is fixed through the limiting parts 6 at two sides, handle 1105 can be loosened afterwards, pull rod 1102 and connecting rod 1101 reset under the effect of fourth elastic component 1104 and drive mounting 3, protective housing 4, first elastic component 5 and locating component 6 reset, locating component 6 can draw in the fire alarm 2 that has been placed in casing 1 when resetting, at this moment, fire alarm 2 still can extrude first wedge 8 and make second elastic component 7 compress, when fire alarm 2 stopped moving, 8 bottom planes of first wedge contact with the fire alarm top, first wedge 8 resets under the effect of second elastic component 7 and fixes fire alarm 2, so, just can carry out placing or taking out of fire alarm outside casing 1, operating personnel can operate more directly perceived during the operation, it is more convenient to operate.

Example 3

On the basis of embodiment 2, as shown in fig. 1, 7 and 8, the mobile phone further includes a supporting mechanism 12, the supporting mechanism 12 includes a supporting rod 1201, a supporting block 1202 and a fifth elastic member 1203, two supporting rods 1201 are symmetrically bolted on the left and right sides of the bottom of the housing 1, the two supporting rods 1201 on the left and right sides are symmetrically arranged in the front-back direction, the supporting block 1202 is connected in the supporting rod 1201 in a sliding manner, the supporting block 1202 can contact with a wall for supporting, the fifth elastic member 1203 is connected between the bottom of the supporting rod 1201 and the lower portion of the supporting block 1202, and the fifth elastic member 1203 can play a role in buffering when the supporting rod 1201 and the housing 1 move.

After placing the embedded wall body of shell 1 in, shell 1 accessible supporting shoe 1202 supports, and when shell 1 rocked by external force, shell 1 accessible bracing piece 1201 slided along supporting shoe 1202, and fifth elastic component 1203 plays the cushioning effect, so, just can play the effect of buffering when shell 1 shakes.

As shown in fig. 1, 9 and 10, the tool storage device further includes a storage mechanism 13, the storage mechanism 13 includes a first connection block 1301, a storage box 1302, a fixing ring 1303, a second bearing seat 1304, a second rotating plate 1305 and a second handle 1306, the first connection block 1301 is bolted to the middle portion of the left side of the housing 1, the storage box 1302 is welded to the front side of the first connection block 1301, the storage box 1302 can store tools, the fixing ring 1303 is connected to the middle portion of the storage box 1302 to clamp the tools in the fixing ring 1303, the second bearing seat 1304 is connected to the left front side of the storage box 1302 in an up-down symmetrical manner, the second rotating plate 1305 is rotatably connected between the two second bearing seats 1304, the second rotating plate 1305 can block the front side of the storage box 1302, the second handle 1306 is connected to the right portion of the front side of the second rotating plate 1305, and an operator can pull the second handle 1306 to drive the second rotating plate 1305 to move.

When the tool needs to be stored, the second grip 1306 can be pulled to open the second rotating plate 1305, then the tool is clamped in the fixing ring 1303, and after the tool is placed, the second grip 1306 is pushed to close the second rotating plate 1305, so that the tool can be stored.

As shown in fig. 1, 11 and 12, the descending device 14 is further included, the descending device 14 includes a second wedge-shaped block 1401, a second connecting block 1402 and a sliding rod 1403, the second wedge-shaped block 1401 is symmetrically bolted on the left and right sides of the lower portion of the pull rod 1102, the second connecting block 1402 is connected to the lower portions of the front sides of the two clamping blocks 1003, the sliding rod 1403 is welded to the front side of the second connecting block 1402, the sliding rod 1403 penetrates through the housing 1 and can slide on the front side of the housing 1, and the second wedge-shaped block 1401 can press the sliding rod 1403 to move.

When the pull rod 1102 moves forwards, the second wedge blocks 1401 on two sides can be driven to move forwards, the second wedge blocks 1401 on two sides can move forwards and can be in contact with the sliding rod 1403, when the second wedge blocks 1401 move to be in contact with the sliding rod 1403, the second wedge blocks 1401 move forwards continuously and can extrude the sliding rod 1403 to move downwards, the sliding rod 1403 moves downwards and drives the fixing block 1103 to move downwards through the second connecting block 1402 so as not to block the first rotating plate 902, the third elastic element 1002 resets, the pull rod 1102 can drive the second wedge blocks 1401 to reset when resetting, at the moment, the handle 1105 is pulled manually to cover the first rotating plate 902, and then the fixing block 1103 resets under the action of the third elastic element 1002 to clamp the first rotating plate 902, so that the fixing block 1103 does not need to be pulled manually to move to open the first rotating plate 902, the operation is simpler, and the working efficiency can be improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An embedded installation device of a fire alarm comprises a shell (1), a fire alarm (2), a fixing piece (3), a protective shell (4), a first elastic piece (5), a limiting piece (6), a second elastic piece (7) and a first wedge block (8), wherein the middle part of the front side of the shell (1) is provided with an opening, the fire alarm (2) can be placed in the opening, the fixing piece (3) is connected in the opening in a sliding manner, the fixing piece (3) is sleeved on the rear side of the fire alarm (2), the limiting piece (6) is connected in the fixing piece (3) in a sliding manner on the left side and the right side, the limiting piece (6) is used for clamping and limiting the fire alarm (2), the first elastic piece (5) is connected between the limiting piece (6) and the fixing piece (3), the protective shell (4) is connected in the protective shell (4) on the fixing piece (3) in the sliding manner on the left side and the right side of the two fixing pieces (3) which are far away from each other, the protective shell (4) is used for protecting the first elastic piece (5), the wedge block (8) is connected in the upper part on the protective shell (4) in the sliding manner, and the first wedge block (8) is used for fixing the fire alarm (2), all be connected with second elastic component (7) between first wedge (8) top left and right sides and shell (1), two second elastic component (7) are bilateral symmetry and set up, its characterized in that, still including closing mechanism (9) and fixed establishment (10), are equipped with closing mechanism (9) and fixed establishment (10) on shell (1), and closing mechanism (9) are used for sheltering from uncovered, and fixed establishment (10) are used for blocking closing mechanism (9).

2. The fire alarm embedded installation equipment as claimed in claim 1, wherein the closing mechanism (9) comprises a first bearing seat (901), a first rotating plate (902), a torsion spring (903), an observation window (904) and a first handle (905), the first bearing seat (901) is symmetrically connected to the left and right of the upper portion of the front side of the casing (1), the first rotating plate (902) is rotatably connected between the two first bearing seats (901), the first rotating plate (902) is used for shielding an opening on the casing (1), the torsion spring (903) is respectively connected between the left and right sides of the first rotating plate (902) and the two first bearing seats (901), the observation window (904) is embedded in the middle of the first rotating plate (902), the observation window (904) is used for people to observe the fire alarm (2), and the first handle (905) is connected to the lower portion of the front side of the observation window (904).

3. The fire alarm embedded installation device as claimed in claim 2, wherein the fixing mechanism (10) comprises a limiting frame (1001), a third elastic member (1002) and a clamping block (1003), the limiting frame (1001) is symmetrically connected to the lower portion of the front side of the housing (1) in the left-right direction, the clamping blocks (1003) are connected to the two limiting frames (1001) in the sliding manner, the clamping blocks (1003) are used for clamping the first rotating plate (902), and the third elastic member (1002) is connected between the two clamping blocks (1003) and the two limiting frames (1001).

4. A fire alarm embedded installation apparatus as claimed in claim 3, further comprising a pull-out mechanism (11), wherein the pull-out mechanism (11) comprises a connecting rod (1101), a pull rod (1102), a fixing block (1103), a fourth elastic member (1104) and a handle (1105), the connecting rod (1101) is connected to the middle of the rear side of the fixing member (3), the pull rod (1102) is connected to the rear side of the connecting rod (1101), the pull rod (1102) and the connecting rod (1101) are used for pushing out the fixing member (3), a working groove (1106) is formed in the lower inner portion of the housing (1), both the connecting rod (1101) and the pull rod (1102) can slide in the working groove (1106), the fixing block (1103) is connected to the middle of the lower portion of the front side of the housing (1), the fixing block (1103) is used for guiding the pull rod (1102), the front side of the pull rod (1102) penetrates through the housing (1) and is slidably connected to the fixing block (1103), the handle (1105) is connected to the handle (1105), and the handle (1105) is used for holding the pull rod (1102) and the fourth elastic member (1104) is connected between the front side of the fixing block (1103).

5. A fire alarm embedded installation device as claimed in claim 4, further comprising a support mechanism (12), wherein the support mechanism (12) comprises support rods (1201), support blocks (1202) and a fifth elastic member (1203), the left side and the right side of the bottom of the housing (1) are symmetrically connected with the two support rods (1201), the two support rods (1201) on the left side and the right side are symmetrically arranged front and back, the support blocks (1202) are connected in the support rods (1201) in a sliding manner, the support blocks (1202) are used for being in contact with a wall to support, the fifth elastic member (1203) is connected between the bottom of the support rods (1201) and the lower portion of the support blocks (1202), and the fifth elastic member (1203) is used for buffering the movement of the support rods (1201) and the housing (1).

6. The fire alarm recessed installation apparatus as claimed in claim 5, further comprising a storage mechanism (13), wherein the storage mechanism (13) comprises a first connection block (1301), a storage box (1302), a fixing ring (1303), a second bearing seat (1304), a second rotating plate (1305) and a second handle (1306), the first connection block (1301) is connected to the middle of the left side of the housing (1), the storage box (1302) is connected to the front side of the first connection block (1301), the storage box (1302) is used for storing tools, the fixing ring (1303) is connected to the middle of the interior of the storage box (1302), the fixing ring (1303) is used for clamping tools, the second bearing seat (1304) is connected to the front side of the left side of the storage box (1302) in an up-down symmetrical manner, the second rotating plate (1305) is rotatably connected between the two second bearing seats (1304), the second rotating plate (1305) is used for blocking the front side of the storage box (1302), the second handle (1306) is connected to the right portion of the front side of the second rotating plate (1305), and the second handle (1306) is used for operators to grasp.

7. A fire alarm embedded installation device as claimed in claim 6, further comprising a descending mechanism (14), wherein the descending mechanism (14) comprises a second wedge block (1401), a second connecting block (1402) and a sliding rod (1403), the second wedge block (1401) is connected to the left and right sides of the lower portion of the pull rod (1102), the second connecting block (1402) is connected to the lower portion of the front side of each of the two clamping blocks (1003), the sliding rod (1403) is connected to the front side of the second connecting block (1402), the sliding rod (1403) penetrates through the casing (1) and can slide on the front side of the casing (1), and the second wedge block (1401) is used for extruding the sliding rod (1403) to move.

8. A fire alarm recessed mounting apparatus as claimed in claim 1, wherein the first resilient member (5) is a compression spring.