Fire-fighting maintenance smoke sensing device convenient to disassemble and assemble
By designing a fire protection smoke detector that is easy to install and disassemble, and utilizing a plug-in structure with threaded connection and electric push rod drive, the problem of wall damage caused by frequent disassembly of smoke sensors is solved, and rapid repair and cleaning of smoke sensors is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing fire protection smoke detectors require frequent disassembly during maintenance or cleaning, which damages the walls.
A fire protection smoke detector that is easy to disassemble and install is designed. The smoke sensor housing can be quickly disassembled and installed through a replacement mechanism and an installation mechanism, including a threaded connection and an electric push rod driven plug plug structure.
It simplifies the maintenance and cleaning process of smoke sensors, avoids damage to the smoke sensor housing, and the operation process is simple and quick.
Smart Images

Figure CN224052703U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire protection technology field, concretely is a fire protection and maintenance smoke sensing device convenient to dismount. BACKGROUND
[0002] Fire protection and maintenance smoke sensing is a kind of equipment commonly seen in fire protection system, is used to detect smoke in environment and send alarm signal, so that timely discovery fire and take corresponding rescue and fire extinguishing measures, fire protection and maintenance smoke sensing plays a key role in preventing fire and protecting personnel life and property safety, when smoke is generated, it can quickly and accurately send alarm, so that people can take appropriate measures to extinguish fire and evacuate early.
[0003] According to the announcement number CN217847251U, a kind of easily removed fire protection and maintenance smoke sensing device, it is related to fire protection technology field, present and propose the following scheme, including fixed plate and mounting plate, the fixed plate bottom outer wall is welded with connecting block, and connecting block bottom outer wall is opened with slot, the slot one side outer wall is opened with recess, and the recess is slidably connected with limit block.
[0004] For the above description, applicant thinks that there are the following problems:
[0005] In the use process, since smoke alarm is an integrated device in the equipment, when internal components are damaged or accumulated dirt, the entire smoke alarm needs to be disassembled from the wall for maintenance, and frequent operation will undoubtedly cause long-term damage to the wall. Utility model content
[0006] The utility model aims at providing a kind of fire protection and maintenance smoke sensing device convenient to dismount to solve the problems raised in the above background.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of fire protection and maintenance smoke sensing device convenient to dismount, including smoke sensor shell, bottom plate and smoke sensor round table, the smoke sensor shell and smoke sensor round table are provided with replacement mechanism, the smoke sensor round table and bottom plate are provided with mounting mechanism, the bottom plate periphery is screw-threaded with first bolt;
[0008] The replacement mechanism includes connecting ring, the connecting ring is fixedly connected to the front surface of smoke sensor round table, the inner thread is formed in the inner circle of connecting ring, the outer thread is formed on the surface of smoke sensor shell, the fixed ring is fixedly connected to the surface of smoke sensor shell, the fixed rod is fixedly connected to the surface periphery of fixed ring respectively, the connecting seat is fixedly connected to the surface periphery of connecting ring respectively, the rectangular slot is formed in the inside of connecting seat, the rotating plate is rotatably connected to the surface of fixed rod, the second bolt is screw-threaded in the inside of rotating plate and connecting seat.
[0009] Preferably, the external thread and the internal thread are screwed, the fixing ring is arranged on the external thread front surface, and the external thread and the internal thread are screwed to facilitate the removal of the smoke sensor shell from the smoke sensor circular table, facilitate the regular maintenance or cleaning of the smoke sensor shell, and avoid damage of the smoke sensor shell.
[0010] Preferably, the front and rear sides and one side of the rectangular groove are arranged as openings, and the rotating plate surface and the rectangular groove interior are inserted.
[0011] Preferably, the mounting mechanism comprises an insertion block, the insertion block is fixedly connected to the four sides of the back surface of the smoke sensor circular table, the number of the insertion blocks is four, long grooves are formed in the inner sides of the four insertion blocks, a square groove is formed in the front surface of the bottom plate, insertion grooves are formed in the four sides of the front surface of the bottom plate, sliding grooves are formed in the front surface of the inner wall of the square groove, limit seats are fixedly connected to the front surface of the inner wall of the square groove, respectively, electric push rods are fixedly connected to the outer sides of the four limit seats, a fixed plate is fixedly connected to the other side of the electric push rod, a long block is fixedly connected to the other side of the fixed plate, a sliding block is fixedly connected to the back surface of the fixed plate, and the surface of the sliding block is slidingly connected with the interior of the sliding groove.
[0012] Preferably, the number of the insertion grooves is four, the front surfaces of the four insertion grooves are arranged as openings, the front surface of the square groove is arranged as an opening, the four insertion grooves are arranged around the square groove, and the surface of the insertion block is inserted into the interior of the insertion groove.
[0013] Preferably, the inner sides of the four long grooves are arranged as openings, the surface of the long block is inserted into the interior of the long groove, and the long block is inserted into the long groove, so that the smoke sensor shell mounted on the smoke sensor circular table can be mounted or dismounted, and the operation process is simple and fast.
[0014] Preferably, through grooves are formed around the inner wall of the square groove, and the surface of the long block is inserted into the through grooves formed around the inner wall of the square groove.
[0015] Compared with the prior art, the fire maintenance smoke sensing device provided by the utility model has the following beneficial effects:
[0016] 1. The fire maintenance smoke sensing device is convenient to dismount, the second bolt is screwed off, the rotating plate is rotated on the surface of the fixed rod, the rotating plate is moved out of the rectangular groove, the smoke sensor shell can be rotated, the external thread and the internal thread are screwed, the smoke sensor shell can be removed from the smoke sensor circular table, the smoke sensor shell can be regularly maintained or cleaned, and smoke sensing cannot be performed due to damage of the smoke sensor shell.
[0017] 2. The fire-fighting maintenance smoke sensing device convenient to disassemble, through the mounting mechanism, the smoke sensor circular table drives the plug block to be inserted in the slot, the electric push rod runs down to drive the fixed plate to move, the fixed plate drives the long block to be inserted in the long slot, and the fixed plate drives the sliding block to slide in the sliding slot, so that the smoke sensor is convenient to install or disassemble, and the operation process is simple and fast. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor:
[0019] Figure 1 It is the overall structure perspective drawing of the utility model;
[0020] Figure 2 It is the partial structure split schematic view of the replacement mechanism;
[0021] Figure 3 It is the structure schematic view of the replacement mechanism;
[0022] Figure 4 It is Figure 3 It is the enlarged structure schematic view in A of the utility model;
[0023] Figure 5 It is the structure schematic view of the mounting mechanism;
[0024] Figure 6 It is Figure 5 It is the enlarged structure schematic view in B of the utility model.
[0025] In the drawing: 1, first bolt;2, bottom plate;3, smoke sensor shell;4, replacement mechanism;41, internal thread;42, connecting ring;43, external thread;44, rectangular slot;45, second bolt;46, connecting seat;47, fixed ring;48, fixed rod;49, rotating plate;5, mounting mechanism;51, limiting seat;52, sliding groove;53, sliding block;54, fixed plate;55, slot;56, long block;57, electric push rod;58, square slot;59, plug block;501, long slot;6, smoke sensor circular table. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present utility model.
[0027] In the present utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.
[0028] The present utility model provides the following technical solutions: Embodiment one
[0029] In combination Figures 1-4 A fire-fighting maintenance smoke sensing device convenient to disassemble, comprising a smoke sensor shell 3, a bottom plate 2 and a smoke sensor circular table 6, a replacement mechanism 4 is arranged on the smoke sensor shell 3 and the smoke sensor circular table 6, an installation mechanism 5 is arranged on the smoke sensor circular table 6 and the bottom plate 2, and a first bolt 1 is threadedly connected around the bottom plate 2;
[0030] The replacement mechanism 4 comprises a connecting ring 42, the connecting ring 42 is fixedly connected to the front face of the smoke sensor circular table 6, an inner thread 41 is formed in the inner circle of the connecting ring 42, an outer thread 43 is formed on the surface of the smoke sensor shell 3, a fixing ring 47 is fixedly connected to the surface of the smoke sensor shell 3, a fixing rod 48 is fixedly connected to the surface around the fixing ring 47, a connecting seat 46 is fixedly connected to the surface around the connecting ring 42, a rectangular groove 44 is formed in the connecting seat 46, a rotating plate 49 is rotatably connected to the surface of the fixing rod 48, and a second bolt 45 is threadedly connected between the rotating plate 49 and the connecting seat 46;
[0031] The outer thread 43 and the inner thread 41 are threadedly connected, the fixing ring 47 is arranged on the front face of the outer thread 43, the front and back sides and one side of the rectangular groove 44 are arranged as openings, and the surface of the rotating plate 49 is inserted into the rectangular groove 44.
[0032] Further, the second bolt 45 is screwed off, the rotating plate 49 is rotated on the surface of the fixed rod 48, until the rotating plate 49 is moved out of the rectangular groove 44, the smoke sensor shell 3 can be rotated, the outer thread 43 and the inner thread 41 are screwed, the smoke sensor shell 3 is conveniently taken off from the smoke sensor round table 6, the smoke sensor shell 3 is conveniently repaired or cleaned regularly, and damage of the smoke sensor shell 3 is avoided. Example two
[0033] Reference Figures 1-6 On the basis of example one, the mounting mechanism 5 further comprises the plug block 59, the plug block 59 is fixedly connected to the back of the smoke sensor round table 6, the number of the plug block 59 is four, the long groove 501 is formed in the inner side of the four plug blocks 59, the square groove 58 is formed on the front of the bottom plate 2, the plug slot 55 is formed on the front of the bottom plate 2, the sliding groove 52 is formed on the front of the inner wall of the square groove 58, the limiting seat 51 is fixedly connected to the front of the inner wall of the square groove 58, the electric push rod 57 is fixedly connected to the outer side of the four limiting seats 51, the fixed plate 54 is fixedly connected to the other side of the electric push rod 57, the long block 56 is fixedly connected to the other side of the fixed plate 54, the sliding block 53 is fixedly connected to the back of the fixed plate 54, and the sliding block 53 is slidably connected to the sliding groove 52.
[0034] The number of the plug slot 55 is four, the front of the four plug slots 55 is provided as an opening, the front of the square groove 58 is provided as an opening, the four plug slots 55 are arranged around the square groove 58, the plug block 59 is inserted into the plug slot 55, the inner side of the four long grooves 501 is provided as an opening, the long block 56 is inserted into the long groove 501, and the through groove is formed around the inner wall of the square groove 58, and the long block 56 is inserted into the through groove.
[0035] Further, the smoke sensor round table 6 drives the plug block 59 to be inserted into the plug slot 55, the electric push rod 57 drives the fixed plate 54 to move downwards, the fixed plate 54 drives the long block 56 to be inserted into the long groove 501, the fixed plate 54 drives the sliding block 53 to slide in the sliding groove 52, the smoke sensor is conveniently installed or disassembled, and the operation process is simple and fast.
[0036] In actual operation, when the device is used, the second bolt 45 is screwed off, the rotating plate 49 is rotated on the surface of the fixed rod 48, until the rotating plate 49 is moved out of the rectangular groove 44, the smoke sensor shell 3 can be rotated, the outer thread 43 and the inner thread 41 are screwed, the smoke sensor shell 3 is conveniently taken off from the smoke sensor round table 6, the smoke sensor shell 3 is conveniently repaired or cleaned regularly, and damage of the smoke sensor shell 3 is avoided;
[0037] Since the smoke sensor circular platform 6 drives the plug block 59 to be plugged in the plug groove 55, the electric push rod 57 runs down to drive the fixed plate 54 to move, the fixed plate 54 drives the long block 56 to be plugged in the long groove 501, and meanwhile the fixed plate 54 drives the sliding block 53 to slide in the sliding groove 52, so that the smoke sensor can be installed or disassembled, and meanwhile the operation process is simple and fast.
[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
Claims
1. A fire maintenance smoke sensing device which is easy to disassemble, comprising a smoke sensor shell (3), a bottom plate (2) and a smoke sensor round table (6), characterized in that: The smoke sensor shell (3) and smoke sensor round table (6) are provided with replacement mechanism (4), the smoke sensor round table (6) and bottom plate (2) are provided with mounting mechanism (5), the bottom plate (2) is threadedly connected with first bolt (1) around, The replacement mechanism (4) includes a connecting ring (42), the connecting ring (42) is fixedly connected to the front surface of the smoke sensor round table (6), an inner thread (41) is formed in the inner circle of the connecting ring (42), an outer thread (43) is formed on the surface of the smoke sensor shell (3), a fixing ring (47) is fixedly connected to the surface of the smoke sensor shell (3), four fixing rods (48) are fixedly connected to the surface of the fixing ring (47) respectively, four connecting seats (46) are fixedly connected to the surface of the connecting ring (42) respectively, a rectangular groove (44) is formed in the connecting seat (46), a rotating plate (49) is rotatably connected to the surface of the fixing rod (48), and a second bolt (45) is threadedly connected between the rotating plate (49) and the connecting seat (46).
2. The fire protection maintenance smoke detection device of claim 1, wherein: The outer thread (43) and the inner thread (41) are threadedly connected, and the fixing ring (47) is arranged on the front surface of the outer thread (43).
3. The fire protection maintenance smoke detection device of claim 1, wherein: The front and back sides and one side of the rectangular groove (44) are open, and the surface of the rotating plate (49) is inserted into the rectangular groove (44).
4. The fire protection maintenance smoke detection device of claim 1, wherein: The mounting mechanism (5) includes an insertion block (59), the insertion block (59) is fixedly connected to the back surface of the smoke sensor round table (6), the number of the insertion block (59) is four, a long groove (501) is formed in the inner side of the insertion block (59), a square groove (58) is formed on the front surface of the bottom plate (2), an insertion slot (55) is formed on the front surface of the bottom plate (2), a sliding groove (52) is formed on the front surface of the inner wall of the square groove (58), a limiting seat (51) is fixedly connected to the front surface of the inner wall of the square groove (58) respectively, an electric push rod (57) is fixedly connected to the outer side of the limiting seat (51), the other side of the electric push rod (57) is fixedly connected with a fixed plate (54), the other side of the fixed plate (54) is fixedly connected with a long block (56), the back surface of the fixed plate (54) is fixedly connected with a sliding block (53), and the surface of the sliding block (53) is slidably connected with the inner side of the sliding groove (52).
5. The fire protection maintenance smoke detection device of claim 4, wherein: The number of the insertion slot (55) is four, the front surface of the insertion slot (55) is open, the front surface of the square groove (58) is open, the insertion slot (55) is arranged around the square groove (58), and the surface of the insertion block (59) is inserted into the inner side of the insertion slot (55).
6. The easily removable fire protection maintenance smoke detection device of claim 4, wherein: The inner side of the long groove (501) is open, and the surface of the long block (56) is inserted into the inner side of the long groove (501).
7. The easily removable fire protection maintenance smoke detection device of claim 4, wherein: The inner wall of the square groove (58) is provided with a through groove, and the surface of the long block (56) is inserted into the through groove formed in the inner wall of the square groove (58).
Citation Information
Patent Citations
Easily-detached smoke sensing device for fire protection and maintenance
CN217847251U