CN114383082A

CN114383082A - Building lighting device

Info

Publication number: CN114383082A
Application number: CN202210066006.3A
Authority: CN
Inventors: 李芝和; 吴秀; 胡峥; 高昕; 夏飞云; 高盈盈; 郭剑锋; 丁忠义; 许祥贵
Original assignee: Zhejiang Xinwei Construction Co ltd
Current assignee: Zhejiang Xinwei Construction Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-04-22
Anticipated expiration: 2042-01-20
Also published as: CN114383082B

Abstract

The application relates to a building lighting device, which is applied to a ladder of a fire-fighting emergency channel, wherein the ladder is distributed with multiple stages along the vertical direction, the top surface of each stage of the ladder is provided with a first chute, the side surface of each stage of the ladder is provided with a second chute communicated with the first chute, a treading assembly is arranged in the first chute in a sliding manner along the vertical direction, and a lighting lamp is arranged in the second chute in a sliding manner along the horizontal direction; the treading assembly comprises a pedal, a push rod fixed below the pedal and a first elastic piece for driving the pedal to reset until the top end of the pedal exceeds the step; the illuminating lamp comprises a transparent lampshade, a lamp tube detachably connected in the lampshade and a second elastic piece used for driving the lampshade to reset to the second sliding groove, guide inclined planes are arranged at one ends, close to each other, of the push rod and the lampshade, and the lamp tube can stretch out of the second sliding groove under the action of the treading assembly. This application has the effect of conveniently clearing up light surface dust.

Description

Building lighting device

Technical Field

The application relates to the technical field of building illumination, in particular to a building illumination device.

Background

Along with the rapid development of social economy, high-rise buildings in cities are erected. In order to facilitate the escape of pedestrians from stairs or fire, earthquake and other dangerous moments when the elevator is in failure, a fire-fighting emergency passage for communicating an upper floor with a lower floor is arranged in the building.

Emergent passageway of fire control is including the multistage ladder that distributes along vertical direction, because emergent passageway of fire control sets up in light-resistant department usually, and therefore the light of ladder department is comparatively dark. In order to prevent the pedestrian from stepping on the ground during the up-and-down stairs, the lighting lamp is arranged in the fire-fighting emergency channel.

However, the illuminating lamp is generally installed on the floor of a fire emergency passageway, dust is easily adhered to the surface of the lampshade of the illuminating lamp, so that the illuminating effect is affected, and the dust on the surface of the lampshade needs to be cleaned at variable time. But because the light is installed at the eminence, operating personnel need climb to the eminence with the help of tools such as ladder during the clearance, and the operation is inconvenient, awaits improvement.

Disclosure of Invention

For the dust on convenient clearance light surface, the application provides a building lighting device.

The application provides a building lighting device adopts following technical scheme:

a building lighting device is applied to a ladder of a fire-fighting emergency channel, wherein the ladder is distributed in multiple stages along the vertical direction, the top surface of each stage of the ladder is provided with a first sliding groove, the side surface of each stage of the ladder is provided with a second sliding groove communicated with the first sliding groove, a treading assembly is arranged in the first sliding groove in a sliding mode along the vertical direction, and a lighting lamp is arranged in the second sliding groove in a sliding mode along the horizontal direction; the treading assembly comprises a pedal, a push rod fixed below the pedal and a first elastic piece for driving the pedal to reset until the top end of the pedal exceeds the step; the illuminating lamp comprises a transparent lampshade, a lamp tube detachably connected in the lampshade and a second elastic piece used for driving the lampshade to reset to the second sliding groove, guide inclined planes are arranged at one ends, close to each other, of the push rod and the lampshade, and the lamp tube can stretch out of the second sliding groove under the action of the treading assembly.

Through adopting above-mentioned technical scheme, when not using the light, first elastic component orders about the footboard and keeps surpassing the state of ladder, push rod and lamp shade separation at the top, and the light is at this moment taken in the second spout under the effect of second elastic component to the surface that makes the light is difficult for because of exposing the deposition.

When the pedestrian goes up the ladder down, the people step on the footboard, and the footboard and the push rod can be ordered about to human gravity and move down, and then promote the lamp shade and remove to the one side of keeping away from the second spout for the fluorescent tube shifts out the second spout, so set up the illumination zone, the improvement illuminating effect that can effectively enlarge the light. In addition, the light is installed on the floor of ladder rather than fire control passageway, and the ladder is in the convenient low department that reaches of staff, need not to climb to the eminence with the help of the ladder during the deashing, and it is more convenient to operate. When the lamp tube has a fault, people can also drive the lamp tube to move out of the second chute by the treading assembly so as to overhaul or disassemble and replace the lamp tube, thereby prolonging the service life of the illuminating lamp.

Optionally, the first sliding groove includes a fixing groove formed in the top surface of the step and a pushing groove formed in the bottom wall of the fixing groove, the width of the pushing groove is smaller than that of the fixing groove, the pedal is slidably disposed in the fixing groove, and the push rod is slidably disposed in the pushing groove; the first elastic piece comprises a connecting rod arranged on the side wall of the push rod and two elastic pieces arranged on the circumferential side wall of the connecting rod, one end, far away from the connecting rod, of one elastic piece abuts against the pedal, and one end, far away from the connecting rod, of the other elastic piece abuts against the bottom wall of the fixing groove.

Through adopting above-mentioned technical scheme, when the footboard atress moved down, the shell fragment can take place to deform and produce elasticity, after the pressure that the footboard bore was cancelled, footboard automatic re-setting can be driven to above-mentioned elasticity, simple structure, effectual that resets.

Optionally, the bottom surface of the pedal is provided with a first positioning groove, a second positioning groove located right below the first positioning groove is arranged on the bottom wall of the fixing groove, one end of the elastic sheet in the first elastic member in the same group abuts against the first positioning groove, and the other end of the elastic sheet abuts against the second positioning groove.

Through adopting above-mentioned technical scheme, first constant head tank and second constant head tank play the effect of location shell fragment tip, help improving the stability when shell fragment pressurized back deformation to the deformation direction of guarantee shell fragment.

Optionally, hinge seats which are arranged oppositely are fixed on the side wall of the push rod, and a hinge shaft is rotatably arranged between every two adjacent hinge seats; the articulated shaft includes that the cross-section is the rotation portion of square spacing portion and integrated into one piece in spacing portion both sides, rotation portion rotates and wears to establish rather than adjacent articulated seat, the middle part of connecting rod is equipped with the quad slit that supplies spacing portion to wear to establish.

Through adopting above-mentioned technical scheme, the portion of rotating is rotated and is worn to establish rather than adjacent articulated seat, and during the first elastic component of assembly, operating personnel accessible rotates the position of connecting rod in order to finely tune the shell fragment to make the tip of shell fragment can stretch into in first constant head tank or the second constant head tank accurately. The cross-section of spacing portion is squarely and wears to establish in the quad slit at connecting rod middle part for connecting rod and the unable relative rotation of articulated shaft help improving the relative stability of first elastic component and articulated shaft.

Optionally, a gravity sensor located right below the pedal is arranged in the fixing groove, and the gravity sensor is electrically connected with a controller for controlling the on and off of the lamp tube.

Through adopting above-mentioned technical scheme, when the pedestrian stepped on the footboard, the footboard atress can move down to contact with gravity sensor, and gravity sensor can send signal to the controller after detecting pressure for the controller control fluorescent tube is bright, thereby provides the illumination for passing pedestrian. After the pedestrian leaves the footboard, the footboard can reset under the elastic force effect of first elastic component and separate to with gravity sensor, and gravity sensor does not detect pressure this moment and can send another signal to the controller for the controller control fluorescent tube goes out the light, thereby saves electric energy consumption.

Optionally, the second elastic element includes a return spring arranged between the lampshade and the bottom wall of the second sliding groove, and the extension direction of the return spring is parallel to the sliding direction of the illuminating lamp.

Through adopting above-mentioned technical scheme, when the push rod promoted the lamp shade so that the fluorescent tube stretches out the second spout, reset spring was in tensile state and produced elastic force, and push rod and lamp shade after the separation, reset spring's elastic force effect can order about the lamp shade automatic re-setting to the second spout in to the long-term exposure of light and deposition of ash are avoided, help reducing the deashing frequency, alleviate work burden.

Optionally, the end face of the lampshade, which is far away from the return spring, is a convex arc face.

By adopting the technical scheme, when the lamp tube is lightened, the convex cambered surface can refract the light emitted by the lamp tube outwards, so that the lighting range of the lamp tube is further enlarged, and the lighting effect is improved.

Optionally, the top surface of the lampshade is provided with a containing groove, the lamp tube is clamped in the containing groove, elastic anti-falling strips are arranged on the wall of the containing groove, and the anti-falling strips are abutted against the upper side of the lamp tube.

Through adopting above-mentioned technical scheme, during the assembly fluorescent tube, go into the fluorescent tube from top to bottom and accomodate the groove in, the anticreep strip receives the extrusion of fluorescent tube and can produce deformation to move to the anticreep strip below at the fluorescent tube and reset, thereby block that the fluorescent tube is deviate from by the upside opening of lamp shade, improved the stability of fluorescent tube.

Optionally, the mounting groove has been seted up to the up end of lamp shade, be equipped with the shifting chute on the diapire of mounting groove, the diapire of accomodating the groove is equipped with the groove of stepping down with the shifting chute intercommunication, be connected with the jacking subassembly that is used for prizing the fluorescent tube in the lamp shade, the jacking subassembly sets up the carriage release lever at the installation piece downside and rotate the setting in the groove of stepping down including the installation piece that slides and set up in the mounting groove, the carriage release lever slides and sets up in the shifting chute, the one end of lever is rotated and is connected bottom, the other end butt of carriage release lever at the downside of fluorescent tube, be connected with the third elastic component that is used for driving the installation piece to reset in the mounting groove.

Through adopting above-mentioned technical scheme, when overhauing or tearing open and trade the fluorescent tube, push down the installation piece for the carriage release lever promotes the lever and moves down rather than close one end, the other end upwarps, and the lever can upwards promote the fluorescent tube this moment, makes the fluorescent tube overcome the elastic action of anticreep strip and shifts out and accomodate the groove, need not during the operation to stretch into the hand and accomodate the groove in, easy and simple to handle, dismouting are efficient.

Optionally, the top surface of the lampshade is provided with a stopping groove, and the stopping groove is located on one side of the mounting groove close to the guide inclined plane.

Through adopting above-mentioned technical scheme, when tearing open and trade the fluorescent tube, operating personnel can pull out the second spout with the lamp shade earlier, inserts the member in the retaining groove again to utilize the member to block the lamp shade and take in the second spout under the effect of second elastic component, operating personnel need not the position of synchronous control light when tearing open and trade, and it is more convenient to operate.

In summary, the present application includes at least one of the following beneficial technical effects:

when the pedestrian goes up and down the stairs, the pedal is stressed to move downwards, so that the push rod pushes the illuminating lamp to one side far away from the second sliding groove, and the lamp tube extends out of the second sliding groove to provide illumination; after the foot leaves the pedal, the illuminating lamp can be reset into the second sliding groove under the action of the second elastic piece, so that the surface dust of the illuminating lamp is reduced; the illuminating lamp is arranged on a ladder which is conveniently reached by a human hand, and has the effect of conveniently cleaning dust;

when the pedal moves downwards, the elastic sheet is stressed to deform and generate elasticity, and after the pedal is released, the elasticity drives the pedal to automatically reset to a state that the top end of the pedal exceeds the ladder, so that the pedal can be conveniently treaded next time; after the pedal is reset, the push rod and the lampshade are in a separated state, and the illuminating lamp can be automatically reset to a state of being accommodated in the second sliding groove under the action of the elastic force of the reset spring, so that the illuminating lamp is prevented from being exposed and accumulated dust;

the lamp tube is clamped in the accommodating groove, and the lamp tube has the effects of convenience in installation and high stability; when the lamp tube is overhauled or disassembled and replaced, the mounting block is pressed down, the moving rod can push the lever to move down from one end close to the lever, and then the other end of the lever pushes the lamp tube out of the accommodating groove, so that the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic partial cross-sectional view of an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a tread assembly and an illuminating lamp in an embodiment of the application.

FIG. 4 is a schematic diagram highlighting a partial explosion of a square aperture in an embodiment of the present application.

Description of reference numerals:

1. a step; 11. a first chute; 111. fixing grooves; 112. a pushing groove; 12. a second chute; 13. a second positioning groove; 14. fastening screw holes; 15. fastening a bolt; 2. a tread assembly; 21. a pedal; 211. a first positioning groove; 212. a fastening groove; 22. a push rod; 221. a hinged seat; 222. hinging a shaft; 2221. a limiting part; 2222. a rotating part; 23. a first elastic member; 231. a connecting rod; 2311. a dovetail groove; 2312. a square hole; 232. a spring plate; 2321. a dovetail block; 3. an illuminating lamp; 31. a lamp shade; 311. a receiving groove; 312. a convex arc surface; 313. anti-drop strips; 314. mounting grooves; 315. a moving groove; 316. a yielding groove; 317. a rotating shaft; 318. a stopper groove; 32. a lamp tube; 33. a second elastic member; 331. a return spring; 4. a guide slope; 5. a gravity sensor; 6. a jacking assembly; 61. mounting blocks; 62. a travel bar; 621. penetrating a rod; 63. a lever; 631. a waist-shaped hole; 7. a third elastic member; 71. and (4) a jacking spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a building lighting device. Referring to fig. 1 and 2, in building lighting device was applied to the ladder 1 of fire emergency passageway, this ladder 1 had a multistage along vertical direction continuous distribution, and first spout 11 has all been seted up to the top surface of every grade of ladder 1, slides along vertical direction in the first spout 11 and is provided with trample assembly 2. Second spout 12 has all been seted up to the side of every grade of ladder 1, and it is provided with light 3 to slide along the horizontal direction in the second spout 12, and light 3 can provide the illumination, make things convenient for the pedestrian to go up and down stairs for ladder 1.

Referring to fig. 2, the first chute 11 includes a fixing groove 111 and a push groove 112 communicating with each other, wherein the fixing groove 111 is formed on the top surface of the step 1, the push groove 112 is formed on the bottom wall of the fixing groove 111, and the width of the push groove 112 is smaller than the width of the fixing groove 111.

Referring to fig. 2 and 3, the stepping assembly 2 includes a pedal 21, a push rod 22 fixedly disposed below the pedal 21, and a first elastic member 23 for driving the pedal 21 to return to a position where the top end thereof exceeds the step 1, wherein the pedal 21 is slidably disposed in the fixing groove 111, and the push rod 22 is slidably disposed in the pushing groove 112. When the pedestrian goes up and down the stairs, the foot of the pedestrian steps on the pedal 21 to drive the pedal 21 and the push rod 22 to move down.

Referring to fig. 2 and 3, the first elastic elements 23 are provided with two sets and located at two sides of the push rod 22 respectively, each set of the first elastic elements 23 includes a connecting rod 231 and two elastic pieces 232 arranged on the circumferential side wall of the connecting rod 231, the elastic pieces 232 in this embodiment are made of metal sheets capable of generating bending deformation, and the metal sheets can generate elastic deformation after being pressed and can restore to the original shape after the external force is removed. In another embodiment, the first elastic member 23 may be configured to be elastically deformed, such as a spring or an air bag.

Referring to fig. 3 and 4, two horizontally extending dovetail grooves 2311 are formed in the side surface of the connecting rod 231, and openings are formed at two ends of each dovetail groove 2311. One end of the elastic sheet 232 close to the connecting rod 231 is integrally formed with a dovetail block 2321, the length and the shape of the dovetail block 2321 are the same as those of the dovetail grooves 2311, and each dovetail block 2321 is respectively arranged in different dovetail grooves 2311 in a penetrating mode. The width of the opening of the dovetail groove 2311 away from the central axis of the connecting rod 231 is smaller than the width of the opening of the dovetail groove 2311 close to the central axis of the connecting rod 231, so that the dovetail block 2321 cannot be separated from the dovetail groove 2311 towards one side away from the central axis of the connecting rod 231 after being arranged in place in a penetrating manner, and the stability of connection between the elastic piece 232 and the connecting rod 231 is improved.

Referring to fig. 3 and 4, two hinge seats 221 are fixedly connected to the side wall of the push rod 22 where the first elastic member 23 is disposed, and a hinge shaft 222 is rotatably disposed between the two hinge seats 221. The hinge shaft 222 includes a position-limiting portion 2221 and rotating portions 2222 integrally formed at both sides of the position-limiting portion 2221, and the rotating portions 2222 are rotatably inserted into the hinge seats 221 adjacent thereto, so that the hinge shaft 222 can rotate relative to the push rod 22. The cross section of the limiting portion 2221 is square, a square hole 2312 for the limiting portion 2221 to penetrate out is formed in the middle of the connecting rod 231, and the limiting portion 2221 penetrates through the square hole 2312 and is used for preventing the connecting rod 231 from rotating relative to the hinge shaft 222. When the pedal 21 is forced to move downwards, the elastic sheet 232 is pressed to deform and generate elastic force, and the elastic force can drive the pedal 21 to automatically reset after the pressure on the pedal 21 is removed.

Referring to fig. 2, two first positioning grooves 211 are formed in the bottom surface of the pedal 21, two second positioning grooves 13 are formed in the bottom wall of the fixing groove 111, and each second positioning groove 13 is located right below the adjacent first positioning groove 211. The end of the elastic sheet 232 located at the upper side of the first elastic members 23 in the same group abuts against the first positioning groove 211, and the end of the elastic sheet 232 located at the lower side abuts against the second positioning groove 13. The first positioning groove 211 and the second positioning groove 13 play a role in positioning the elastic sheet 232, and contribute to ensuring the deformation direction of the elastic sheet 232.

Referring to fig. 2 and 3, in order to make the stepping assembly 2 not easily separated from the step 1 when being assembled to the step 1, fastening screw holes 14 are formed in the side walls of the fixing grooves 111, and fastening bolts 15 are threadedly coupled to the fastening screw holes 14. The side surface of the pedal 21 close to the fastening screw hole 14 is provided with a fastening groove 212 extending along the vertical direction, and the end part of the fastening bolt 15 is slidably arranged in the fastening groove 212. When the pedal 21 is vertically moved, the end of the fastening bolt 15 slides along the fastening groove 212 to prevent the pedal 21 from being removed from the fixing groove 111.

Referring to fig. 2 and 3, the lighting lamp 3 includes a lampshade 31 made of a transparent material, a lamp tube 32 detachably connected in the lampshade 31, and a second elastic member 33 for driving the lampshade 31 to return to the second sliding groove 12. The upper end surface of the lampshade 31 is provided with a receiving groove 311, the lamp tube 32 is embedded in the receiving groove 311, and the second elastic member 33 is located on one side of the lampshade 31 far away from the side opening of the second sliding chute 12.

Referring to fig. 2 and 3, the lamp housing 31 and the push rod 22 are provided with guide slopes 4 parallel to each other at ends thereof adjacent to each other, and the guide slopes 4 are disposed obliquely upward. When a pedestrian steps on the pedal 21, the pedal 21 is forced to drive the push rod 22 to move downwards, and further the lampshade 31 is pushed out of the step 1, so that the lamp 32 moves out of the second chute 12, and the illumination range of the lamp 32 is expanded. In order to further improve the illumination effect, the end surface of the lampshade 31 far away from the second elastic member 33 is provided with a convex arc surface 312, and when the lamp tube 32 emits light, the convex arc surface 312 is provided to facilitate the refraction of light, so as to further expand the light radiation range emitted by the lamp tube 32.

Referring to fig. 2, in order to save electric energy, a gravity sensor 5 is disposed on the bottom wall of the fixing groove 111, the gravity sensor 5 is located right below the pedal 21, and the gravity sensor 5 is electrically connected to a controller for controlling the on/off of the lamp 32. When a person steps on the pedal 21, the pedal 21 is stressed to move downwards to be in contact with the gravity sensor 5, and the gravity sensor 5 sends a signal to the controller after detecting the pressure, so that the controller controls the lamp tube 32 to light; after the foot leaves the pedal 21, the pedal 21 moves back to be separated from the gravity sensor 5, and at this time, the gravity sensor 5 does not detect the pressure and sends a signal to the controller, so that the controller controls the lamp 32 to turn off the lamp.

Referring to fig. 2 and 3, the second elastic members 33 in the present embodiment are provided in two sets, and the projections of the two sets of second elastic members 33 along the vertical direction are respectively located on two sides of the push rod 22. Each set of the second elastic members 33 includes a return spring 331, one end of the return spring 331 is fixed on the lamp shade 31, the other end is fixed on the bottom wall of the second sliding slot 12, and the extension direction of the return spring 331 is parallel to the sliding direction of the illuminating lamp 3. When the return spring 331 is in a natural state, the lampshade 31 is positioned in the second sliding groove 12 and the end part does not exceed the second sliding groove 12; when the lampshade 31 extends out of the second sliding groove 12 under the action of the push rod 22, the return spring 331 is stretched to generate an elastic force, and after the pressure on the pedal 21 is removed, the elastic force drives the lampshade 31 to automatically move back into the second sliding groove 12. In other embodiments, the second elastic element 33 may be an elastic sheet 232 or an air bag that can be elastically deformed. When the illuminating lamp 3 is pushed out of the step 1 by the stepping assembly 2, the elastic force generated by the second elastic member 33 is smaller than the elastic force generated by the first elastic member 23, which helps the stepping assembly 2 to restore before the illuminating lamp 3.

Referring to fig. 2 and 3, in order to improve the stability of the lamp 32 when being embedded in the receiving groove 311, an elastic anti-falling bar 313 is fixedly disposed on a groove wall of the receiving groove 311, and the anti-falling bar 313 in this embodiment is disposed on two groove walls opposite to the receiving groove 311. In the process of inserting the lamp 32 into the receiving groove 311, the anti-falling strip 313 is elastically deformed by the extrusion of the lamp 32, and is restored after the lamp 32 moves into the lower portion thereof, and at this time, the anti-falling strip 313 abuts against the upper side of the lamp 32, thereby preventing the lamp 32 from moving out of the receiving groove 311.

Referring to fig. 2 and 3, the lamp housing 31 is connected with a lift-up assembly 6 for levering the lamp 32 clamped in the receiving groove 311, and the lift-up assembly 6 includes a mounting block 61, a moving rod 62 fixed on the lower side of the mounting block 61, and a lever 63 connected to the moving rod 62. The upper end surface of the lampshade 31 is provided with a mounting groove 314, and the mounting block 61 is arranged in the mounting groove 314 in a sliding manner along the vertical direction. The bottom wall of the mounting groove 314 is provided with a moving groove 315, and the moving rod 62 is arranged in the moving groove 315 in a sliding manner along the vertical direction. The bottom wall of the accommodating groove 311 is provided with a yielding groove 316 communicated with the moving groove 315, a rotating shaft 317 is arranged in the yielding groove 316, the lever 63 is rotatably arranged in the yielding groove 316 through the rotating shaft 317, one end of the lever 63 is rotatably connected to the bottom of the moving rod 62, and the other end of the lever is abutted against the lower side of the lamp tube 32. Specifically, the connecting structure of the lever 63 and the moving rod 62 is: the bottom of the moving rod 62 is connected with a through rod 621, one end of the lever 63 close to the moving rod 62 is provided with a waist-shaped hole 631, the length direction of the waist-shaped hole 631 is parallel to the length direction of the lever 63, and one end of the through rod 621 is slidably arranged in the waist-shaped hole 631.

Referring to fig. 2, a third elastic member 7 is disposed in the mounting groove 314, the third elastic member 7 includes a jacking spring 71 sleeved outside the moving rod 62, one end of the jacking spring 71 is fixed on the mounting block 61, and the other end is fixed on the bottom wall of the mounting groove 314. When the third elastic member 7 is in a natural state, the top surface of the mounting block 61 is flush with the top surface of the lamp housing 31. When the lamp 32 is disassembled or repaired, the lamp 32 and the mounting block 61 are moved out of the second sliding groove 12 by the stepping assembly 2, and then the mounting block 61 is pressed down, so that the moving rod 62 pushes down one end of the lever 63, and at the moment, one end of the lever 63 far away from the moving rod 62 can pry up the lamp 32, so that the lamp 32 overcomes the elastic action of the anti-falling strip 313 and extends out of the accommodating groove 311. In the disassembling and replacing process, the hand does not need to extend into the accommodating groove 311 to pull the lamp tube 32, and the operation is simple and convenient. After the mounting block 61 is released, the mounting block 61 is automatically reset under the elastic force of the jacking spring 71 so as to perform the next operation.

Referring to fig. 2 and 3, in order to improve the stability of the lamp 32 when extending out of the second sliding groove 12, a stopper groove 318 is formed on the top surface of the lamp housing 31, and the stopper groove 318 is located on the side of the accommodating groove 311 close to the guide slope 4. When the lamp tube 32 is disassembled and assembled, an operator can pull the lamp shade 31 with force first to move the stop groove 318 out of the second sliding groove 12, and then extend the rod piece with the vertical length larger than the stop groove 318 into the stop groove 318 to use the rod piece to stop the lamp shade 31 from moving back, so that the jacking assembly 6 is convenient to operate.

The implementation principle of the building lighting device in the embodiment of the application is as follows: when a pedestrian goes up and down stairs, the foot of the pedestrian steps on the pedal 21, the pedal 21 is stressed to drive the push rod 22 to move downwards, so that the lamp tube 32 is pushed out of the second sliding groove 12, and the gravity sensor 5 detects pressure and sends a signal to the controller, so that the lamp tube 32 is lightened and provides illumination. After the foot leaves the pedal 21, the pedal 21 and the push rod 22 will be reset under the action of the first elastic member 23, the illuminating lamp 3 will be reset under the action of the second elastic member 33, so as to prevent the illuminating lamp 3 from being exposed and accumulated dust, and at this time, the gravity sensor 5 will not detect the pressure to enable the controller to control the lamp 32 to turn off the lamp. Above-mentioned light 3 sets up in convenient enough ladder 1 department of staff, and the accessible tramples subassembly 2 drive it and shift out second spout 12, has the effect of convenient clearance or maintenance.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building lighting device, is applied to in ladder (1) of fire emergency passageway, ladder (1) distribute along vertical direction has multistage, its characterized in that: a first sliding chute (11) is formed in the top surface of each step (1), a second sliding chute (12) communicated with the first sliding chute (11) is formed in the side surface of each step, a treading assembly (2) is arranged in the first sliding chute (11) in a sliding mode along the vertical direction, and an illuminating lamp (3) is arranged in the second sliding chute (12) in a sliding mode along the horizontal direction; the stepping assembly (2) comprises a pedal (21), a push rod (22) fixed below the pedal (21) and a first elastic piece (23) for driving the pedal (21) to reset until the top end of the pedal exceeds the ladder (1); light (3) including transparent lamp shade (31), can dismantle fluorescent tube (32) of connection in lamp shade (31) and be used for driving lamp shade (31) and reset to second elastic component (33) of income second spout (12), push rod (22) and lamp shade (31) are close to one end each other and all are equipped with direction inclined plane (4), fluorescent tube (32) can stretch out second spout (12) under the effect of trampling subassembly (2).

2. A building lighting device as claimed in claim 1, wherein: the first sliding groove (11) comprises a fixing groove (111) formed in the top surface of the ladder (1) and a pushing groove (112) formed in the bottom wall of the fixing groove (111), the width of the pushing groove (112) is smaller than that of the fixing groove (111), the pedal (21) is arranged in the fixing groove (111) in a sliding mode, and the push rod (22) is arranged in the pushing groove (112) in a sliding mode; the first elastic piece (23) comprises a connecting rod (231) arranged on the side wall of the push rod (22) and two elastic pieces (232) arranged on the circumferential side wall of the connecting rod (231), wherein one end, far away from the connecting rod (231), of one elastic piece (232) abuts against the pedal (21), and one end, far away from the connecting rod (231), of the other elastic piece (232) abuts against the bottom wall of the fixing groove (111).

3. A building lighting device as claimed in claim 2, wherein: the bottom surface of footboard (21) is equipped with first constant head tank (211), be equipped with second constant head tank (13) that are located under first constant head tank (211) on the diapire of fixed slot (111), in the same group first elastic component (23) one of them shell fragment (232) tip butt in first constant head tank (211), another shell fragment (232) tip butt in second constant head tank (13).

4. A building lighting device as claimed in claim 2, wherein: hinge seats (221) which are oppositely arranged are fixed on the side wall of the push rod (22), and a hinge shaft (222) is rotatably arranged between every two adjacent hinge seats (221); the hinge shaft (222) comprises a limiting part (2221) with a square cross section and rotating parts (2222) which are integrally formed on two sides of the limiting part (2221), the rotating parts (2222) are rotatably arranged in the hinge seats (221) adjacent to the rotating parts in a penetrating mode, and square holes (2312) for the limiting part (2221) to penetrate are formed in the middle of the connecting rod (231).

5. A building lighting device as claimed in claim 2, wherein: the fixing groove (111) is internally provided with a gravity sensor (5) which is positioned right below the pedal (21), and the gravity sensor (5) is electrically connected with a controller for controlling the on and off of the lamp tube (32).

6. A building lighting device as claimed in claim 1, wherein: the second elastic piece (33) comprises a return spring (331) arranged between the lampshade (31) and the bottom wall of the second sliding groove (12), and the stretching direction of the return spring (331) is parallel to the sliding direction of the illuminating lamp (3).

7. A building lighting device as claimed in claim 6, wherein: the end face, away from the return spring (331), of the lampshade (31) is a convex arc face (312).

8. A building lighting device as claimed in claim 1, wherein: the lamp shade is characterized in that a containing groove (311) is formed in the top surface of the lamp shade (31), the lamp tube (32) is clamped in the containing groove (311), an elastic anti-falling strip (313) is arranged on the wall of the containing groove (311), and the anti-falling strip (313) abuts against the upper side of the lamp tube (32).

9. A building lighting device as claimed in claim 8, wherein: the upper end surface of the lampshade (31) is provided with a mounting groove (314), the bottom wall of the mounting groove (314) is provided with a moving groove (315), the bottom wall of the containing groove (311) is provided with a yielding groove (316) communicated with the moving groove (315), the lampshade (31) is connected with a jacking component (6) for prying the lamp tube (32), the jacking assembly (6) comprises an installation block (61) arranged in the installation groove (314) in a sliding manner, a moving rod (62) fixedly arranged on the lower side of the installation block (61) and a lever (63) rotatably arranged in the abdicating groove (316), the moving rod (62) is arranged in the moving groove (315) in a sliding way, one end of the lever (63) is rotatably connected with the bottom of the moving rod (62), the other end of the lever is abutted against the lower side of the lamp tube (32), and a third elastic piece (7) for driving the mounting block (61) to reset is connected in the mounting groove (314).

10. A building lighting device as claimed in claim 9, wherein: the top surface of the lampshade (31) is provided with a stop groove (318), and the stop groove (318) is positioned on one side of the mounting groove (314) close to the guide inclined surface (4).