CN212322389U

CN212322389U - Electrical fire detector convenient to installation

Info

Publication number: CN212322389U
Application number: CN202021459338.0U
Authority: CN
Inventors: 李宏军; 康志军; 王小虎; 苏怀忠; 贾刚
Original assignee: Inner Mongolia Kenrui Electronic Technology Co ltd
Current assignee: Inner Mongolia Kenrui Electronic Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-01-08
Anticipated expiration: 2030-07-22

Abstract

The utility model belongs to the technical field of fire detector, especially, be an electric fire detector convenient to installation, be not convenient for dismantle the installation to it when installing and using to current electric fire detector, lead to the later stage to be not convenient for maintain it and change, be not convenient for operate and use, reduced operating personnel's work efficiency's problem, the scheme is put forward now, it includes the mount pad, the front side of mount pad is opened and is equipped with the recess, and the worm is installed to the recess internal rotation, and the one end of worm extends to the mount pad outer and fixed mounting has the knob, and the bottom of two pivots is installed to the recess internal rotation, and the equal fixed mounting in the outside of two pivots has the worm wheel, and the worm meshes with two worm wheels mutually. The utility model has the advantages of reasonable design, easy operation is convenient for to the dismantlement installation of electric fire detector body to the later stage of being convenient for maintains it and changes, has improved operating personnel's work efficiency.

Description

Electrical fire detector convenient to installation

Technical Field

The utility model relates to a fire detector technical field especially relates to an electric fire detector convenient to installation.

Background

Fire detectors are the "sense organs" of the system and function to monitor the environment for the presence or absence of a fire. Once a fire occurs, the characteristic physical quantities of the fire, such as temperature, smoke, gas, radiation intensity and the like, are converted into electric signals, and immediately act to send alarm signals to a fire alarm controller, an electric fire detector is required to be used for detecting the magnitude of leakage current in an electric line in the electric safety to determine the possibility of fire occurrence, so-called leakage is that a certain place of the line has a part of current passing through the wire (through damaged insulation, brackets and the like), the wire and the ground (the wire passes through a steel bar of a cement wall, a tinplate and the like), and the leakage current flows into the ground when the leakage occurs, when a part having a large resistance is encountered, a local high temperature is generated, and nearby combustibles catch fire, thereby causing a fire, and further, a leakage spark generated at a leakage point also causes a fire, so that the electric fire detector plays an important role.

The existing electrical fire detector is inconvenient to detach and install when being installed and used, so that the later period is inconvenient to maintain and replace, the operation and the use are inconvenient, the working efficiency of operators is reduced, and the electrical fire detector convenient to install is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current electric fire detector and being not convenient for dismantle the installation to it when installing and using, lead to the later stage not convenient for maintain it and change, be not convenient for operate and use, reduced operating personnel's work efficiency's shortcoming, and the electric fire detector convenient to installation that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrical fire detector convenient to install comprises an installation seat, wherein a groove is formed in the front side of the installation seat, a worm is installed in the groove in a rotating mode, one end of the worm extends out of the installation seat and is fixedly provided with a knob, the bottom ends of two rotating shafts are installed in the groove in a rotating mode, worm wheels are fixedly installed on the outer sides of the two rotating shafts respectively and are meshed with the worm wheels, a fire detector body is movably installed at the top of the installation seat, fixing rods are fixedly installed on two sides of the fire detector body respectively, two fixing grooves are formed in the top of the installation seat and are matched with the fixing grooves, connecting grooves are formed in the sides, far away from each other, of the two fixing grooves, connecting rods are installed in the two connecting grooves in a sliding mode, clamping grooves are formed in the inner sides of the two fixing rods respectively and are matched with corresponding clamping grooves, the, one side that two cams are close to each other respectively with corresponding connecting rod roll connection, the outside fixed mounting of worm has the gear, one side fixed mounting of mount pad has the fixed plate, slidable mounting has the slide bar in the fixed plate, the bottom fixed mounting of slide bar has limit toothed plate, limit toothed plate meshes with the gear mutually, the outside movable sleeve of slide bar is equipped with the second spring, the both ends of second spring respectively with fixed plate and limit toothed plate fixed connection.

Preferably, the mounting plates are fixedly mounted on two sides of the mounting seat, and bolts are mounted on the inner sides of the two mounting plates in a threaded manner, so that the mounting seat can be fixedly mounted conveniently.

Preferably, the inner wall of one side of the groove is fixedly provided with an outer ring of the bearing, and the worm is fixedly sleeved with the inner ring of the bearing, so that the worm is convenient to rotate and install.

Preferably, the mounting groove is formed in the top of the mounting seat, and the fire detector body is movably connected in the mounting groove and convenient to mount.

Preferably, the inner walls of the two sides of the connecting groove are provided with sliding grooves, the two sides of the connecting rod are fixedly provided with sliding blocks, and the two sliding blocks are respectively connected in the corresponding sliding grooves in a sliding mode so as to be convenient for sliding the connecting rod.

Preferably, the inner wall of one side of the two sliding grooves is fixedly provided with one end of a first spring, and the other end of the first spring is fixedly connected with the corresponding sliding block respectively, so that the connecting rod is convenient to reset.

In the utility model, the electric fire detector convenient to install can be moved upwards by pulling the slide bar before installing the fire detector body, so that the slide bar drives the limit toothed plate to move upwards, the limit toothed plate relieves the limit of the gear, after the installation of the fire detector body is completed, the slide bar can be released, and the limit toothed plate can be moved downwards through the elastic deformation of the second spring, so that the limit toothed plate limits the gear, and the worm is prevented from rotating to influence the installation effect after the installation of the electric fire detector body is completed;

in the utility model, the electric fire detector convenient to install, drive the worm to rotate through the rotating knob, then through the meshing transmission of worm and two worm gears, can make two worm gears drive two pivots to rotate, make two pivots drive two cams to rotate, then can be through the rolling connection of cam and connecting rod, can drive two connecting rods to be close to each other and move, and through the elastic deformation of first spring, make four first spring atress shrink, make two connecting rods inject into corresponding draw-in groove respectively, thus can accomplish the fixed mounting to the electric fire detector body, easy operation, the dismantlement installation to the electric fire detector body of being convenient for;

the utility model has the advantages of reasonable design, easy operation is convenient for to the dismantlement installation of electric fire detector body to the later stage of being convenient for maintains it and changes, has improved operating personnel's work efficiency.

Drawings

Fig. 1 is a schematic structural view of an electrical fire detector convenient to install according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of an electrical fire detector convenient to install according to the present invention;

fig. 3 is a schematic structural diagram of a portion B of an electrical fire detector convenient to install according to the present invention.

In the figure: 1. a mounting seat; 2. a groove; 3. a worm; 4. a rotating shaft; 5. a worm gear; 6. a fire detector body; 7. fixing the rod; 8. fixing grooves; 9. connecting grooves; 10. a cam; 11. a connecting rod; 12. a chute; 13. a slider; 14. a first spring; 15. a card slot; 16. a gear; 17. a fixing plate; 18. a slide bar; 19. a limit toothed plate; 20. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an electrical fire detector convenient to install comprises an installation base 1, a groove 2 is formed in the front side of the installation base 1, a worm 3 is installed in the groove 2 in a rotating manner, one end of the worm 3 extends out of the installation base 1 and is fixedly provided with a knob, the bottom ends of two rotating shafts 4 are installed in the groove 2 in a rotating manner, worm wheels 5 are fixedly installed on the outer sides of the two rotating shafts 4, the worm 3 is meshed with the two worm wheels 5, a fire detector body 6 is movably installed on the top of the installation base 1, fixing rods 7 are fixedly installed on two sides of the fire detector body 6, two fixing grooves 8 are formed in the top of the installation base 1, the fixing rods 7 are matched with the fixing grooves 8, connecting grooves 9 are formed in the mutually far sides of the two fixing grooves 8, connecting rods 11 are slidably installed in the two connecting grooves 9, two connecting rods 11 respectively with corresponding draw-in groove 15 looks adaptation, the top of two pivot 4 all extends to in the corresponding spread groove 9 and fixed mounting has cam 10, one side that two cams 10 are close to each other respectively with corresponding connecting rod 11 roll connection, the outside fixed mounting of worm 3 has gear 16, one side fixed mounting of mount pad 1 has fixed plate 17, slidable mounting has slide bar 18 in fixed plate 17, slide bar 18's bottom fixed mounting has spacing pinion rack 19, spacing pinion rack 19 meshes with gear 16 mutually, the outside movable sleeve of slide bar 18 is equipped with second spring 20, the both ends of second spring 20 respectively with fixed plate 17 and spacing pinion rack 19 fixed connection.

The equal fixed mounting in both sides of mount pad 1 has the mounting panel, the equal threaded mounting in inboard of two mounting panels has the bolt, the fixed mounting mount pad 1 of being convenient for, fixed mounting has the outer lane of bearing on the inner wall of one side of recess 2, worm 3 cup joints with the inner circle of bearing is fixed, be convenient for rotate installation worm 3, the mounting groove has been seted up at the top of mount pad 1, fire detector body 6 swing joint is in the mounting groove, be convenient for install fire detector body 6, spout 12 has all been seted up on the both sides inner wall of spread groove 9, the equal fixed mounting in both sides of connecting rod 11 has slider 13, two slider 13 are sliding connection respectively in corresponding spout 12, the sliding mounting connecting rod 11 of being convenient for, equal fixed mounting has the one end of first spring 14 on the inner wall of one side of two spout 12, the other end of first spring 14 respectively with.

In the utility model, when in use, the mounting seat 1 can be fixedly mounted at a proper position by two mounting plates and two bolts, then the electrical fire detector body 6 is placed in the mounting groove, and the fixing rods 7 at two sides of the electrical fire detector body 6 are respectively inserted into the corresponding fixing grooves 8, then the sliding rod 18 can be pulled to move upwards, so that the sliding rod 18 drives the limit toothed plate 19 to move upwards, so that the limit toothed plate 19 relieves the limit to the gear 16, then the knob can be rotated to drive the worm 3 to rotate, then the two worm gears 5 can drive the two rotating shafts 4 to rotate by the meshing transmission of the worm 3 and the two worm gears 5, so that the two rotating shafts 4 drive the two cams 10 to rotate, then the two connecting rods 11 can be driven to move close to each other by the rolling connection of the cams 10 and the connecting rods 11, and the elastic deformation of the first spring 14, make four first springs 14 atress shrink for two connecting rods 11 inject respectively in corresponding draw-in groove 15, thereby can accomplish the fixed mounting to electric fire detector body 6, then release slide bar 18, elastic deformation through second spring 20 can make limit tooth plate 19 remove downwards, thereby make limit tooth plate 19 spacing gear 16, avoided after electric fire detector body 6 installation is accomplished, worm 3 rotates and influences the installation effect.

Claims

1. The utility model provides an electric fire detector convenient to installation, including mount pad (1), a serial communication port, recess (2) have been seted up to the front side of mount pad (1), worm (3) are installed to recess (2) internal rotation, the one end of worm (3) extends to mount pad (1) outer and fixed mounting has the knob, the bottom of two pivot (4) is installed to recess (2) internal rotation, equal fixed mounting has worm wheel (5) in the outside of two pivot (4), worm (3) and two worm wheel (5) mesh mutually, the top movable mounting of mount pad (1) has fire detector body (6), both sides of fire detector body (6) all fixed mounting has dead lever (7), two fixed slot (8) have been seted up at the top of mount pad (1), dead lever (7) and fixed slot (8) looks adaptation, spread groove (9) have all been seted up to the one side of keeping away from each other of two fixed slot (8), equal slidable mounting has connecting rod (11) in two spread grooves (9), draw-in groove (15) have all been seted up to the inboard of two dead levers (7), two connecting rod (11) respectively with corresponding draw-in groove (15) looks adaptation, the top of two pivot (4) all extends to in corresponding spread groove (9) and fixed mounting has cam (10), one side that two cam (10) are close to each other respectively with corresponding connecting rod (11) roll connection, the outside fixed mounting of worm (3) has gear (16), one side fixed mounting of mount pad (1) has fixed plate (17), slidable mounting has slide bar (18) in fixed plate (17), the bottom fixed mounting of slide bar (18) has spacing pinion rack (19), spacing pinion rack (19) mesh with gear (16), the outside movable sleeve of slide bar (18) is equipped with second spring (20), the both ends of second spring (20) respectively with fixed plate (17) and spacing pinion rack (19) fixed connection.

2. An easy-to-mount electrical fire detector as claimed in claim 1, wherein mounting plates are fixedly mounted on both sides of the mounting base (1), and bolts are threadedly mounted on the inner sides of the two mounting plates.

3. An easy-to-mount electrical fire detector as claimed in claim 1, wherein the groove (2) is provided with an outer race of a bearing on one side of the inner wall thereof, and the worm (3) is fixedly sleeved with the inner race of the bearing.

4. An electric fire detector convenient to install according to claim 1, characterized in that a mounting groove is formed at the top of the mounting seat (1), and the fire detector body (6) is movably connected in the mounting groove.

5. An easy-to-mount electrical fire detector as claimed in claim 1, wherein the connecting slot (9) has sliding slots (12) on both inner walls, and the connecting rod (11) has sliding blocks (13) on both sides, and the two sliding blocks (13) are slidably connected in the corresponding sliding slots (12).

6. An easy-to-install electrical fire detector as claimed in claim 5, wherein one end of the first spring (14) is fixedly installed on one side inner wall of each of the two sliding grooves (12), and the other end of the first spring (14) is fixedly connected with the corresponding sliding block (13).