CN114636085B

CN114636085B - Smoke alarm mounting bracket

Info

Publication number: CN114636085B
Application number: CN202210542930.4A
Authority: CN
Inventors: 李发勇
Original assignee: Jiangsu Qingyu Intelligent Technology Co ltd
Current assignee: Jiangsu Qingyu Intelligent Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-07-29
Anticipated expiration: 2042-05-19
Also published as: CN114636085A

Abstract

The invention relates to the technical field of installation of smoke-sensitive alarms, in particular to an installation support of a smoke-sensitive alarm, which comprises a circular ring plate, an adjusting mechanism, a first connecting mechanism, a second connecting mechanism, a bending mechanism, an installation mechanism and a connecting frame, wherein the adjusting mechanism is installed at the upper end of the circular ring plate, and the first connecting mechanism is installed at the left end of the adjusting mechanism. The existing smoke detector alarm support is usually fixedly installed on a wall, and then the smoke detector alarm is fixedly installed on the support. The mounting mechanism adopted by the mounting bracket of the smoke detector alarm provided by the invention can move on the adjusting mechanism, the first connecting mechanism and the second connecting mechanism, so that the function of changing the working position of the smoke detector alarm is realized, and the convenience in use of the smoke detector alarm is improved.

Description

Smoke alarm mounting bracket

Technical Field

The invention relates to the technical field of smoke detector alarm installation, in particular to a smoke detector alarm installation support.

Background

The smoke detector alarm realizes fire prevention by monitoring smoke concentration, adopts an ion smoke sensor inside, is a sensor with advanced technology and stable and reliable work, and is widely applied to various fire alarm systems.

When the smoke detector alarm is installed, the smoke detector alarm support is adopted for fixing, the existing smoke detector alarm support is usually fixedly installed on a wall, and then the smoke detector alarm is fixedly installed on the support.

The existing smoke alarm support still has a long strip-shaped structure, but the support of the long strip-shaped structure cannot be bent and is not suitable for the corners of a wall surface, so that the number of occasions for using the support is reduced.

Disclosure of Invention

The smoke detector alarm mounting bracket can solve the problems existing in the installation of the smoke detector alarm.

In order to achieve the purpose, the invention adopts the following technical scheme that the smoke alarm mounting support comprises a circular ring plate, an adjusting mechanism, a first connecting mechanism, a second connecting mechanism, a bending mechanism, a mounting mechanism and a connecting frame, wherein the adjusting mechanism is mounted at the upper end of the circular ring plate, the first connecting mechanism is mounted at the left end of the adjusting mechanism, the second connecting mechanism is mounted at the right end of the adjusting mechanism, the bending mechanisms are symmetrically mounted in the front and back direction between the first connecting mechanism and the second connecting mechanism, the mounting mechanism is connected between the two bending mechanisms in a sliding mode, and the connecting frames are mounted at the upper ends of the first connecting mechanism and the second connecting mechanism.

Adjustment mechanism is including installing the support column in the ring plate upper end, the annular slab is installed to the support column upper end, the arc wall has been seted up to annular slab lower extreme bilateral symmetry, be located the spacing groove of seting up a plurality of circumference evenly distributed on the cell wall of the inboard of arc wall, the inside sliding connection of arc wall has the slip arc piece, the one end that the slip arc piece is close to the annular slab center has seted up the jacking groove, the inside sliding connection of jacking groove has the reference column, install positioning spring between reference column and the jacking groove, the one end that the reference column is close to the annular slab center is provided with the semicircle arch, semicircle arch and spacing groove sliding fit, the rotor plate is installed to slip arc piece lower extreme.

A coupling mechanism is including installing the U type frame No. one at the left side rotation board left end, sliding through hole has been seted up to U type frame interlude, the inside sliding connection of sliding through hole has the crowded board of pushing, push the board left end front and back symmetry and install two peg graft poles, peg graft pole and sliding through hole left side wall slip run-through cooperation, sliding connection has the joint unit on the U type frame interlude, two connecting plates are installed to the symmetry around the terminal surface under U type frame interlude, the conducting rod is installed No. one to the connecting plate lower extreme, the sliding tray has been seted up to the conducting rod left end No. one, sliding connection has conductive joint inside the sliding tray, install connecting spring between conductive joint and the sliding tray, No. one the vertical section of U type frame all installs No. one near lower extreme department face to face, a plurality of constant head tanks have been seted up on the constant head tank, No. one the rectangular channel has been seted up to U type frame upper end.

As a preferred technical scheme, the second connecting mechanism comprises a second U-shaped frame arranged at the right end of the right rotating plate, two splicing grooves are symmetrically formed in the front and back of the right end of the middle section of the second U-shaped frame, two connecting plates are symmetrically arranged in the front and back of the lower end of the middle section of the second U-shaped frame, a second conducting rod is arranged at the lower end of each connecting plate, a connecting groove is formed in the right end of each second conducting rod, a plurality of conducting elastic sheets which are uniformly distributed in the circumferential direction are arranged on the inner wall of the connecting groove, second positioning strips are arranged on the opposite sides of the two vertical sections of the second U-shaped frame and close to the lower end of the second U-shaped frame, the structure of each second positioning strip is consistent with that of the first positioning strip, and a second rectangular groove is formed in the upper end of the second U-shaped frame.

As a preferred technical scheme of the invention, the bending mechanism comprises a round rod arranged at the lower end of the circular ring plate, the lower end of the round rod is provided with a connecting rod, the left end and the right end of the connecting rod are respectively fixedly connected with the first conducting rod and the second conducting rod, the lower end of the connecting rod is provided with a conducting bar, and the two ends of the conducting bar are respectively and electrically connected with the first conducting rod and the second conducting rod.

As a preferred technical scheme of the invention, the mounting mechanism comprises two sliding rings which are slidably connected to two connecting rods, Z-shaped tubes are mounted at the lower ends of the sliding rings, supporting springs are mounted at the lower ends of the two Z-shaped tubes, rectangular plates are mounted at the lower ends of the two supporting springs together, the rectangular plates are slidably connected with the Z-shaped tubes, two connecting tubes are symmetrically mounted at the lower ends of the rectangular plates in the front-back direction, mounting seats are mounted at the lower ends of the two connecting tubes together, a power-on column is slidably connected to the position, close to the upper end, inside the Z-shaped tube, the upper end of the power-on column penetrates through the sliding rings, a lead is mounted in the middle of the lower end of the power-on column, the lower end of the lead sequentially penetrates through the Z-shaped tubes, the rectangular plates, the connecting tubes and the mounting seats, and a reset spring is mounted between the lower end of the power-on column and the inner walls of the Z-shaped tubes.

As a preferred technical scheme of the invention, the upper end of the electrifying column is rotatably connected with an iron bead, and the iron bead is in sliding fit with the conductive bar.

As a preferred technical scheme of the invention, the left end and the right end of the lower end surface of the conductive bar are provided with inclined surfaces.

As a preferred technical scheme, two lattice blocking cloths are symmetrically arranged between the first U-shaped frame and the second U-shaped frame from front to back, a plurality of uniformly distributed L-shaped frames are arranged on inner end faces of the lattice blocking cloths, rubber strips are jointly arranged at the upper ends of horizontal sections of the L-shaped frames, and a plurality of uniformly distributed clamping grooves are formed in the rubber strips.

As a preferred technical scheme of the invention, the clamping unit comprises a sliding frame which is connected to a first U-shaped frame in a sliding mode, the sliding frame is of a U-shaped structure, a sliding rod penetrates through the middle section of the sliding frame in a sliding mode, and the clamping frame of the U-shaped structure is installed at the lower end of the sliding rod.

The smoke alarm mounting bracket has the beneficial effects that 1, the adjusting mechanism adopted by the smoke alarm mounting bracket is matched with the bending mechanism, corresponding adjustment can be carried out according to the angle required by the actual mounting position, and the use occasions of the bracket are increased.

2. The mounting mechanism adopted by the mounting bracket of the smoke detector alarm provided by the invention can move on the adjusting mechanism, the first connecting mechanism and the second connecting mechanism, so that the function of changing the working position of the smoke detector alarm is realized, and the convenience in use of the smoke detector alarm is improved.

3. The smoke alarm mounting bracket provided by the invention can be used for simultaneously mounting a plurality of mounting mechanisms on one bracket, so that a plurality of smoke alarms can be conveniently mounted, and the use efficiency of the bracket is increased.

4. The smoke detector alarm mounting bracket provided by the invention can be used for splicing a plurality of brackets according to actual needs, and the working range of the brackets can be enlarged, so that the use flexibility of the brackets is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a perspective view of the present invention from a first perspective.

Fig. 2 is a perspective view of the present invention from a second perspective.

Fig. 3 is a front view of the present invention.

Fig. 4 is a cross-sectional view a-a of fig. 3 of the present invention.

Fig. 5 is a left side view of the present invention.

Fig. 6 is a cross-sectional view of B-B of fig. 5 in accordance with the present invention.

Fig. 7 is an enlarged view at X in fig. 4 of the present invention.

Fig. 8 is an enlarged view of the invention at N in fig. 6.

Fig. 9 is a schematic sectional view showing the structure of a first conductive rod, a conductive contact and a connecting spring according to the present invention.

Fig. 10 is a schematic cross-sectional view of the structure of the second conductive rod and the conductive elastic sheet of the present invention.

Fig. 11 is an enlarged view of the invention at D in fig. 6.

Fig. 12 is a schematic illustration of the splicing of the inventive stent.

In the figure: 1. a circular ring plate; 2. an adjustment mechanism; 21. a support pillar; 22. an annular plate; 23. sliding the arc block; 24. a positioning column; 25. a positioning spring; 26. a rotating plate; 3. a first connecting mechanism; 31. a first U-shaped frame; 32. pushing the plate; 33. a plug rod; 34. a clamping unit; 341. a sliding frame; 342. a slide bar; 343. clamping the frame; 35. a connecting plate; 36. a first conductive rod; 37. a conductive joint; 38. a connecting spring; 39. a first positioning strip; 4. a second connecting mechanism; 41. a second U-shaped frame; 42. connecting plates; 43. a second conducting rod; 44. a conductive spring plate; 45. a second positioning strip; 5. a bending mechanism; 51. a connecting rod; 52. a conductive strip; 6. an installation mechanism; 61. a slip ring; 62. a Z-shaped pipe; 63. a rectangular plate; 64. a connecting pipe; 65. a mounting seat; 66. a current-carrying column; 67. a return spring; 68. a support spring; 7. a connecting frame; 81. grid blocking cloth; 82. an L-shaped frame; 83. a rubber strip.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 12, a smoke detector alarm installing support includes ring plate 1, adjustment mechanism 2, coupling mechanism 3, No. two coupling mechanism 4, bending mechanism 5, installation mechanism 6 and connection frame 7, adjustment mechanism 2 is installed to ring plate 1 upper end, and coupling mechanism 3 is installed No. one to adjustment mechanism 2 left end, and No. two coupling mechanism 4 is installed to adjustment mechanism 2 right-hand member, and bending mechanism 5, two are installed to the symmetry around between coupling mechanism 3 and No. two coupling mechanism 4 between bending mechanism 5 common sliding connection has installation mechanism 6 between the bending mechanism 5, and connection frame 7 is all installed to No. one coupling mechanism 3 and No. two coupling mechanism 4 upper ends.

Referring to fig. 6, the adjusting mechanism 2 includes a supporting column 21 installed on the upper end of the circular ring plate 1, an annular plate 22 is installed on the upper end of the supporting column 21, an arc-shaped groove is symmetrically formed at the lower end of the annular plate 22, a plurality of limiting grooves are formed on the inner side of the arc-shaped groove, a sliding arc block 23 is slidably connected inside the arc-shaped groove, a jacking groove is formed at one end of the sliding arc block 23 close to the center of the annular plate 22, a positioning column 24 is slidably connected inside the jacking groove, a positioning spring 25 is installed between the positioning column 24 and the jacking groove, a semicircular bulge is arranged at one end of the positioning column 24 close to the center of the annular plate 22, the semicircular bulge is slidably matched with the limiting grooves, a rotating plate 26 is installed at the lower end of the sliding arc block 23, during specific work, according to the actual installation angle, the first connecting mechanism 3 and the second connecting mechanism 4 are manually rotated, the first connecting mechanism 3 and the second connecting mechanism 4 drive the two rotating plates 26 to rotate, the rotating plate 26 drives the sliding arc block 23 to rotate, and the sliding arc block 23 drives the semicircular protrusions on the positioning columns 24 to be matched with the corresponding limiting grooves, so that the rotating plate 26 is positioned, and the angle between the first connecting mechanism 3 and the second connecting mechanism 4 is further adjusted.

Referring to fig. 2, 6, 8 and 9, the first connecting mechanism 3 includes a first U-shaped frame 31 installed at the left end of the left rotating plate 26, a sliding through hole is formed in the middle section of the first U-shaped frame 31, a pushing plate 32 is slidably connected inside the sliding through hole, two insertion rods 33 are symmetrically installed at the front and back of the left end of the pushing plate 32, the insertion rods 33 are slidably matched with the left side wall of the sliding through hole, a clamping unit 34 is slidably connected to the middle section of the first U-shaped frame 31, the clamping unit 34 includes a sliding frame 341 slidably connected to the first U-shaped frame 31, the sliding frame 341 is U-shaped, a sliding rod 342 slidably penetrates through the middle section of the sliding frame 341, a clamping frame 343 in U-shaped structure is installed at the lower end of the sliding rod 342, two connecting plates 35 are symmetrically installed at the front and back of the lower end face of the middle section of the first U-shaped frame 31, a first conducting rod 36 is installed at the lower end of the connecting plate 35, a sliding groove is formed at the left end of the first conducting rod 36, inside sliding connection of sliding tray has conductive contact 37, installs connecting spring 38 between conductive contact 37 and the sliding tray, and a location strip 39 has all been installed to two vertical section opposite faces of U type frame 31 near lower extreme department, has seted up a plurality of constant head tanks on a location strip 39, and a rectangular channel has been seted up to U type frame 31 upper end.

Referring to fig. 6 and 10, No. two coupling mechanism 4 is including installing No. two U type frames 41 at right side rotating plate 26 right-hand member, two inserting connection grooves have been seted up to the symmetry around No. two U type frame 41 interlude right-hand members, two even boards 42 are installed to the symmetry around No. two U type frame 41 interlude lower extremes, No. two conducting rods 43 are installed to even board 42 lower extreme, the spread groove has been seted up to No. two conducting rods 43 right-hand members, a plurality of circumference evenly distributed's electrically conductive shell fragment 44 is installed to the wall in the spread groove, No. two vertical section opposite faces of No. two U type frames 41 are close to lower extreme department and all install No. two location strip 45, No. two location strip 45 structures are unanimous with a location strip 39 structure, No. two rectangular channels have been seted up to No. two U type frame 41 upper ends.

Referring to fig. 6, 8, 9 and 10, in a specific working process, according to actual needs, splicing processing is performed on a plurality of supports manually, the pushing plate 32 is manually pushed, the pushing plate 32 drives the insertion rod 33 to be inserted into an insertion groove on another second U-shaped frame 41, then the sliding frame 341 is pushed, the sliding frame 341 drives the clamping frame 343 to move to the second rectangular groove and the first rectangular groove through the sliding rod 342, the clamping frame 343 falls into the second rectangular groove and the first rectangular groove, so that the function of connecting the two supports is realized, meanwhile, the conductive joint 37 on the first conductive rod 36 is inserted into a connecting groove at the right end of another second conductive rod 43, the conductive elastic sheet 44 clamps and contacts the conductive joint 37, the function of connecting the first conductive rod 36 with the another second conductive rod 43 is realized, and the function of circuit communication is realized.

Referring to fig. 6, 7 and 11, the bending mechanism 5 includes a round bar 53 installed at the lower end of the circular ring plate 1, a connecting bar 51 is installed at the lower end of the round bar 53, both ends of the connecting bar 51 are respectively fixedly connected with the first conducting bar 36 and the second conducting bar 43, a conductive bar 52 is installed at the lower end of the connecting bar 51, both ends of the conductive bar 52 are respectively electrically connected with the first conducting bar 36 and the second conducting bar 43, both ends of the conductive bar 52 are provided with inclined planes, in particular, during operation, the connecting bar 51 is an existing bar capable of being bent and shaped, the conductive bar 52 is made of a copper material, the connecting bar 51 is used for connecting the first conducting bar 36 and the second conducting bar 43, so as to facilitate the change of the angle between the first conducting bar 36 and the second conducting bar 43, and the conductive bar 52 is used for communicating the circuit between the first conducting bar 36 and the second conducting bar 43.

Referring to fig. 4, 6 and 7, two check blocking cloths 81 are symmetrically installed back and forth between a U-shaped frame 31 and a U-shaped frame 41, a plurality of evenly distributed L-shaped frames 82 are installed on the inner end faces of the check blocking cloths 81, rubber strips 83 are installed on the upper ends of the horizontal sections of the L-shaped frames 82 jointly, a plurality of evenly distributed clamping grooves are formed in the rubber strips 83, during specific work, the check blocking cloths 81 play a role in blocking the connecting rods 51 and the conducting strips 52, manual error touch is avoided, the L-shaped frames 82 play a supporting role for the check blocking cloths 81, and the clamping grooves in the rubber strips 83 play a limiting role for the installation mechanism 6.

Referring to fig. 4 and 7, the mounting mechanism 6 includes two sliding rings 61 slidably connected to the two connecting rods 51, Z-shaped tubes 62 are mounted at the lower ends of the sliding rings 61, support springs 68 are mounted at the lower ends of the two Z-shaped tubes 62, a rectangular plate 63 is mounted at the lower ends of the two support springs 68 together, the rectangular plate 63 is slidably connected to the Z-shaped tubes 62, two connecting tubes 64 are symmetrically mounted at the lower ends of the rectangular plate 63 in a front-back manner, a mounting seat 65 is mounted at the lower ends of the two connecting tubes 64 together, a power-on post 66 is slidably connected to the inside of the Z-shaped tube 62 near the upper end, the upper end of the power-on post 66 penetrates through the sliding rings 61, an iron ball is rotatably connected to the upper end of the power-on post 66, the iron ball is slidably matched with the conductive bar 52, a lead is mounted at the middle of the lower end of the power-on post 66, the lower end of the lead sequentially penetrates through the Z-shaped tubes 62, the rectangular plate 63, the connecting tubes 64 and the mounting seat 65, a return spring 67 is mounted between the lower end of the power-on the inner wall of the Z-on post 66 and the Z-shaped tubes 62, when the device works specifically, after a plurality of supports are spliced, the sliding ring 61 penetrates through one end of the first conducting rod 36 or the second conducting rod 43 and moves on the first conducting rod 36, the second conducting rod 43 and the connecting rod 51 manually, the electrifying column 66 is attached to the first conducting rod 36, the second conducting rod 43 and the conducting bar 52 through the supporting spring 68, iron beads at the upper end of the electrifying column 66 are convenient to move, the inclined plane on the conducting bar 52 is convenient to smoothly transit the iron beads to the first conducting rod 36 or the second conducting rod 43, the phenomenon of power failure is ensured not to occur, the sliding ring moves to a working position according to actual needs, then fixing glue is manually coated to the upper ends of the connecting frame 7 and the annular plate 22 and is attached to the wall surface, so that the supports are fixed, the existing smoke alarm is manually connected with the mounting seat 65 and a lead, the first conducting rod 36 and the second conducting rod 43 are connected with a power supply, the installation of the smoke detector alarm is completed, when the position of the smoke detector alarm needs to be moved, the mounting seat 65 is pushed upwards manually, the mounting seat 65 is stressed to drive the connecting pipe 64 to ascend, the connecting pipe 64 drives the rectangular plate 63 to ascend, the rectangular plate 63 is moved out of the positioning groove or the clamping groove, the smoke detector alarm slides to the corresponding position again, the mounting seat 65 is loosened, the reset spring 67 drives the rectangular plate 63 to be matched with the corresponding positioning groove or the clamping groove, and therefore the smoke detector alarm is limited.

During installation: s1: according to actual needs, the manual work splices a plurality of supports and handles, and the manual work promotes and pushes away crowded board 32, pushes away crowded board 32 and drives in the inserting groove that inserting pole 33 inserted on another U type frame 41 No. two, later promotes sliding frame 341, and sliding frame 341 drives joint frame 343 through sliding rod 342 and removes No. two rectangular channels and a rectangular channel department, and joint frame 343 falls to No. two rectangular channels and a rectangular channel in to realize that two supports carry out the function of connecting.

S2: according to the angle of actual installation, the manual work rotates coupling mechanism 3 and No. two coupling mechanism 4, and coupling mechanism 3 and No. two coupling mechanism 4 drive two rotor plates 26 and rotate, and rotor plate 26 drives slip arc piece 23 and rotates, and slip arc piece 23 drives semicircle arch and the cooperation of corresponding spacing groove on the reference column 24, realizes the location to rotor plate 26.

S3: after splicing of the multiple supports, the sliding ring 61 is manually penetrated through one end of the first conducting rod 36 or the second conducting rod 43 and moves on the first conducting rod 36, the second conducting rod 43 and the connecting rod 51, the electrifying column 66 is tightly attached to the first conducting rod 36, the second conducting rod 43 and the conductive strip 52 through the supporting spring 68, iron beads at the upper end of the electrifying column 66 are convenient for the movement of the electrifying column 66, fixing glue is manually smeared at the upper end of the connecting frame 7 and the upper end of the annular plate 22 and is pasted on the wall surface, and therefore the supports are fixed.

S4: the existing smoke detector alarm is manually connected with the mounting seat 65 and the conducting wire, the first conducting rod 36 and the second conducting rod 43 are connected with the power supply, and the smoke detector alarm is mounted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a smoke detector alarm installing support, includes ring plate (1), adjustment mechanism (2), coupling mechanism (3), No. two coupling mechanism (4), crooked mechanism (5), installation mechanism (6) and coupling frame (7), its characterized in that: the upper end of the circular plate (1) is provided with an adjusting mechanism (2), the left end of the adjusting mechanism (2) is provided with a first connecting mechanism (3), the right end of the adjusting mechanism (2) is provided with a second connecting mechanism (4), bending mechanisms (5) are symmetrically arranged between the first connecting mechanism (3) and the second connecting mechanism (4) from front to back, an installing mechanism (6) is connected between the two bending mechanisms (5) in a sliding mode, and the upper ends of the first connecting mechanism (3) and the second connecting mechanism (4) are provided with connecting frames (7); wherein:

the adjusting mechanism (2) comprises a supporting column (21) arranged at the upper end of a circular ring plate (1), the upper end of the supporting column (21) is provided with a circular plate (22), the lower end of the circular plate (22) is bilaterally symmetrical to form an arc-shaped groove, a plurality of limiting grooves which are circumferentially and uniformly distributed are formed in the groove wall on the inner side of the arc-shaped groove, a sliding arc block (23) is connected to the inner part of the arc-shaped groove in a sliding mode, a jacking groove is formed in one end, close to the center of the circular plate (22), of the sliding arc block (23), a positioning column (24) is connected to the inner part of the jacking groove in a sliding mode, a positioning spring (25) is arranged between the positioning column (24) and the jacking groove, a semicircular bulge is arranged at one end, close to the center of the circular plate (22), of the semicircular bulge is in sliding fit with the limiting grooves, and a rotating plate (26) is arranged at the lower end of the sliding arc block (23);

the first connecting mechanism (3) comprises a first U-shaped frame (31) arranged at the left end of a left rotating plate (26), a sliding through hole is formed in the middle section of the first U-shaped frame (31), a pushing plate (32) is connected to the inside of the sliding through hole in a sliding manner, two inserting rods (33) are symmetrically arranged at the front and back of the left end of the pushing plate (32), the inserting rods (33) are matched with the left side wall of the sliding through hole in a sliding manner in a penetrating manner, a clamping unit (34) is connected to the middle section of the first U-shaped frame (31) in a sliding manner, two connecting plates (35) are symmetrically arranged at the front and back of the lower end face of the middle section of the first U-shaped frame (31), a first conducting rod (36) is arranged at the lower end of the connecting plates (35), a sliding groove is formed in the left end of the first conducting rod (36), a conducting joint (37) is connected to the inside of the sliding groove in a sliding manner, a connecting spring (38) is arranged between the conducting joint (37) and the sliding groove, a first U-shaped frame (31) with two vertical sections, a first locating strip (39) which are oppositely arranged at the lower end, a plurality of positioning grooves are formed in the first positioning strip (39), and a first rectangular groove is formed in the upper end of the first U-shaped frame (31).

2. A smoke detector alarm mounting bracket according to claim 1, characterised in that: install No. two U type frame (41) at right side rotor plate (26) right-hand member, two inserting grooves have been seted up to symmetry around No. two U type frame (41) interlude right-hand members, two even board (42) are installed to symmetry around No. two U type frame (41) interlude lower extreme, No. two conducting rod (43) are installed to even board (42) lower extreme, the spread groove has been seted up to No. two conducting rod (43) right-hand members, a plurality of circumference evenly distributed's electrically conductive shell fragment (44) are installed to the wall in the spread groove, No. two vertical section of No. two U type frame (41) are close to lower extreme department face-to-face and all install No. two location strip (45), No. two location strip (45) structure is unanimous with a location strip (39) structure, No. two rectangular channels have been seted up to No. two U type frame (41) upper ends.

3. A smoke detector alarm mounting bracket according to claim 2, characterised in that: bending mechanism (5) are including installing round bar (53) at ring board (1) lower extreme, and connecting rod (51) are installed to round bar (53) lower extreme, and both ends respectively with conducting rod (36) and No. two conducting rod (43) fixed connection about connecting rod (51), and conducting strip (52) are installed to connecting rod (51) lower extreme, and conducting strip (52) both ends are connected with conducting rod (36) and No. two conducting rod (43) electricity respectively.

4. A smoke detector alarm mounting bracket according to claim 3 in which: the installation mechanism (6) comprises two sliding rings (61) which are connected to the two connecting rods (51) in a sliding manner, Z-shaped pipes (62) are installed at the lower ends of the sliding rings (61), supporting springs (68) are installed at the lower ends of the two Z-shaped pipes (62), a rectangular plate (63) is installed at the lower ends of the two supporting springs (68) together, the rectangular plate (63) is connected with the Z-shaped pipes (62) in a sliding manner, two connecting pipes (64) are symmetrically installed at the front and back of the lower ends of the rectangular plate (63), an installation seat (65) is installed at the lower ends of the two connecting pipes (64) together, a power-on column (66) is connected inside the Z-shaped pipes (62) close to the upper end in a sliding manner, the upper end of the power-on column (66) penetrates through the sliding rings (61), a wire is installed in the middle of the lower end of the power-on column (66), and the lower end of the wire penetrates through the Z-shaped pipes (62), the rectangular plate (63), the connecting pipes (64) and the installation seat (65) in sequence, a return spring (67) is arranged between the lower end of the electrifying column (66) and the inner wall of the Z-shaped pipe (62).

5. The smoke detector alarm mounting bracket of claim 4, wherein: the upper end of the electrifying column (66) is rotatably connected with an iron bead, and the iron bead is in sliding fit with the conductive bar (52).

6. A smoke detector alarm mounting bracket according to claim 3 in which: inclined planes are arranged at the left end and the right end of the lower end face of the conductive bar (52).

7. A smoke detector alarm mounting bracket according to claim 2, characterised in that: two check fender cloth (81) are installed to the symmetry around between U type frame (31) and No. two U type frame (41), install a plurality of evenly distributed's L type frame (82) on check fender cloth (81) the inner end face, rubber strip (83) are installed jointly to a plurality of L type frame (82) horizontal segment upper end, offer a plurality of evenly distributed's screens groove on rubber strip (83).

8. A smoke detector alarm mounting bracket according to claim 1, characterised in that: the clamping unit (34) comprises a sliding frame (341) which is connected to the first U-shaped frame (31) in a sliding mode, the sliding frame (341) is of a U-shaped structure, a sliding rod (342) penetrates through the middle section of the sliding frame (341) in a sliding mode, and the clamping frame (343) of the U-shaped structure is installed at the lower end of the sliding rod (342).