A stairway emergency lighting device for building service engineering

Abstract

The application discloses a kind of building service engineering's corridor emergency lighting equipment, it is related to lighting equipment field, the building service engineering's corridor emergency lighting equipment, by the inner guide cover, the outside air introduced into the inside of equipment is limited, make it flow upwards in the inside of inner guide cover, simultaneously in the process of air flow, by inner guide cover increase air flow path, make moisture in air have enough time to condense, subsequently air passes through the grid slot of grid plate, reaches the upper side of grid plate, contacts the blocking position of sponge block, so that air is by the porous structure of sponge block and water absorption characteristics, in the process of air passing through sponge block, dust filtration and moisture adsorption are carried out, reduce the dust and moisture content of diffusion cooling air into the inside of outer shell, avoid long time installation in cold and humid corridor environment, cause dust and water vapor to enter the inside of equipment, make the inside of lighting equipment be corroded and damaged, affect the normal use of equipment in emergency situation.

Description

Technical Field

[0001] This invention specifically relates to an emergency lighting device for building service projects, and pertains to the field of lighting equipment. Background Technology

[0002] Emergency lighting equipment in corridors refers to specialized fire-fighting electrical equipment installed in public evacuation areas such as building corridors, stairwells, evacuation corridors and safety exits, which can automatically start working in emergency situations such as interruption of normal lighting power, fire and power outage, to provide continuous lighting and evacuation direction guidance. An emergency lighting device, disclosed in CN109340661B, includes a lighting box, a lamp panel, a lamp holder, lamp beads, a dustproof side box, and a shaped hollow rod. The lamp panel is mounted on the front of the lighting box, and dustproof side boxes are fixedly connected to both ends of the lighting box to prevent dust from entering. A shaped hollow rod is rotatably connected to the rear wall inside the lighting box. A lamp holder is located on the rear side of the lamp panel and is mounted on the rear wall of the lighting box. Two elastic airbags are symmetrically arranged at both ends of the lamp holder. Multiple unblocking modules are equidistantly arranged on the outer wall at the bottom of the shaped hollow rod. Each unblocking module includes an air pipe and a rubber unblocking ball. One end of the air pipe is fixedly connected to the shaped hollow rod, and the other end of the air pipe is rotatably connected to a connecting seat, which is equipped with a rubber unblocking ball. This invention effectively reduces the dust content inside the air vents by unblocking them, thus reducing the dust content inside the device and improving heat dissipation and dust removal, extending the device's service life. In existing equipment, because the corridor is a humid environment, the equipment is installed and fixed in the corridor. After long-term use, the humid air in the corridor enters the interior of the lighting equipment, causing moisture to come into contact with the internal circuits. At the same time, the condensed water droplets cannot be discharged in time, resulting in moisture damage to the lighting equipment. Summary of the Invention

[0003] To address the aforementioned problems, a technical solution is proposed: an emergency lighting device for building service projects, comprising: The back panel mechanism has a wall-mounting mechanism symmetrically installed on its outer side, and a cover mechanism installed on the other side of the back panel mechanism. A lighting lamp is installed on the top of the cover mechanism, and the bottom end of the lighting lamp passes through the cover mechanism and extends into its interior. The lighting lamp is symmetrically installed along the center position of the axis of the cover mechanism. The casing mechanism includes an outer casing with rectangular slots on both sides. Louvers are fixedly installed in each of these slots, with the louvers angled downwards from the inside out. A raised rib is provided at the end of the louver away from the outer casing, and the louvers are evenly installed from top to bottom along the rectangular slots. Inner guide covers are fixedly installed on both sides of the inner wall of the outer casing, corresponding to the rectangular slots of the outer casing. The bottom of the inner wall of the inner guide cover... The inner part is sloped, and through the cooperation of the sloped bottom of the inner wall of the inner guide cover and the arc-shaped convex strip on the inner wall of the inner guide cover, when absorbing moisture from the air, the moisture condenses on the inner wall of the inner guide cover. At the same time, the moisture absorbed by the sponge can pass through the grid groove of the grid plate under its own gravity and slide down the inner wall of the inner guide cover. The sliding water droplets are guided by the arc-shaped convex strip and the sloped bottom of the inner wall of the inner guide cover to guide the water droplets to the rectangular groove, and discharged out of the lighting equipment. This prevents moisture inside the lighting equipment from being trapped and causing damage. Prolonged use may lead to moisture damage. The inner wall of the inner guide cover is uniformly decorated with arc-shaped ridges, and a grid plate is fixedly installed on the top of the inner wall. The outer side of the grid plate has uniformly spaced grid grooves. The inner guide cover restricts the entry of outside air into the equipment, causing it to flow upwards within the cover. Simultaneously, the inner guide cover increases the airflow path, allowing sufficient time for moisture in the air to condense. The air then passes through the grid grooves of the grid plate, reaching the top of the grid plate and contacting the sealing position of the sponge block. The porous structure and water-absorbing properties of the sponge block allow for dust filtration and moisture adsorption as the air passes through, reducing the dust and moisture content of the air entering the outer casing for cooling. This prevents dust and moisture from entering the equipment during prolonged installation in cold, damp corridor environments, which could cause corrosion and damage to the lighting equipment, affecting its normal operation in emergency situations. Furthermore, a sponge block is fixedly installed on the top of the grid plate.

[0004] Preferably, the bottom of the lighting lamp is fixedly installed on the top of the outer casing, and the bottom end of the lighting lamp penetrates through the top of the outer casing and extends into its interior. A controller is fixedly installed on the side of the inner wall of the outer casing away from the back plate mechanism. The controller is electrically connected to the lighting lamp. A pressing frame is fixedly installed on the end of the outer casing near the back plate mechanism. An inner clamping frame is fixedly installed on the inner wall of the outer casing. An inner frame strip is fixedly installed on the inner wall of the inner clamping frame. The inner frame strip is made of rubber.

[0005] Preferably, the backplate mechanism includes a fixing plate, a fixing frame is fixedly installed on the side of the fixing plate near the pressing frame, the fixing frame and the pressing frame are fixed together by bolts, a fixing buckle is fixedly installed on the side of the fixing plate near the outer shell, the fixing buckle is fixedly connected along the center position of the axis of the fixing plate, and an energy storage battery is fixedly installed between the fixing buckles. The energy storage battery is electrically connected to the controller. A snap-fit ​​frame is fixedly installed on the outer side of the fixing frame. During installation, the snap-fit ​​frame is inserted into the interior of the inner snap-fit ​​frame, and one end of the snap-fit ​​frame is fitted with a pressing inner frame strip. Utilizing the elastic deformation material characteristics of the inner frame strip, the inner frame strip is compressed and deformed to fill the connection gap, improving the waterproof sealing effect of the lighting equipment in the humid environment of the corridor. The outer side of the snap-fit ​​frame is in contact with the inner wall of the outer shell, and the outer end of the snap-fit ​​frame away from the fixing frame is in contact with the inner wall of the inner snap-fit ​​frame. The outer end of the snap-fit ​​frame away from the fixing frame is in contact with the outer side of the inner frame strip.

[0006] Preferably, a fixing block is fixedly installed on the side of the fixing plate away from the outer casing. The fixing blocks are symmetrically installed along the center of the axis of the fixing plate, and a pressure plate is fixedly installed on the outer side of each fixing block. A rubber strip is fixedly installed on the outer side of each pressure plate, and the rubber strip is evenly installed on the outer side of the pressure plate. A bottom guide strip is fixedly installed at the bottom of the fixing plate. Through the cooperation of the fixing blocks and the pressure plates, an air circulation gap is formed between the back plate and the corridor wall. During use, air can flow through the gap between the fixing blocks, carrying away the heat generated by the lighting equipment during use and cooling the lighting equipment. At the same time, it prevents the equipment from being pressed tightly against the wall, which could cause water to seep into the equipment after the wall becomes damp in the cold and damp corridor environment, resulting in the lighting equipment becoming damp. The bottom of the bottom guide strip on the side away from the outer casing is inclined, and raised strips are evenly provided on the inclined surface of the bottom guide strip.

[0007] Preferably, the wall-mounting mechanism includes a fixing strip, one end of which is fixedly connected to the outer side of a fixing plate, and an inner sliding plate is fixedly installed on the side of the fixing strip away from the fixing plate. A connecting plate is installed on the outer side of the inner sliding plate, and a groove is formed on the outer side of the connecting plate. The inner sliding plate is located in the groove of the connecting plate. An inner arc strip is fixedly installed in the groove of the connecting plate. The inner arc strip is symmetrically installed along the center of the groove axis, and the arc surface of the inner arc strip contacts the outer side of the connecting plate. The connecting plate is fixed to the corridor wall by bolts.

[0008] This invention provides an emergency lighting device for building service projects, which has the following beneficial effects: The inner guide cover utilizes the sloping bottom surface of its inner wall and the arc-shaped protrusions on its inner wall to absorb moisture from the air. The moisture condenses on the inner wall of the inner guide cover, while the moisture absorbed by the sponge passes through the grid grooves of the grid plate under its own gravity and slides down the inner wall of the inner guide cover. The sliding water droplets are then guided by the arc-shaped protrusions and directed towards the rectangular grooves by the sloping bottom surface of the inner wall of the inner guide cover, thus expelling the water droplets from the lighting equipment. This prevents moisture from being trapped inside the lighting equipment, which could lead to moisture damage during prolonged use. The inner guide cover restricts the entry of outside air into the equipment, causing it to flow upwards within the cover. Simultaneously, the inner guide cover widens the airflow path, allowing sufficient time for moisture in the air to condense. The air then passes through the grille slots of the grille plate, reaching the top and contacting the sealing points of the sponge block. The porous structure and absorbent properties of the sponge block further filter dust and absorb moisture as the air passes through, reducing the dust and moisture content of the air entering the outer casing for cooling. This prevents dust and moisture from entering the equipment during prolonged installation in cold, damp stairwell environments, which could cause corrosion and damage to the lighting equipment, affecting its normal operation in emergency situations. During installation, the snap-fit ​​frame is inserted into the inner frame, and one end of the snap-fit ​​frame is fitted with a pressing inner frame strip. Utilizing the elastic deformation properties of the inner frame strip, the inner frame strip is compressed and deformed to fill the connection gap, thereby improving the waterproof sealing effect of the lighting equipment in the humid environment of the corridor. By using the fixing blocks and the wall-pressing plate together, an air circulation gap is formed between the back panel and the corridor wall. During use, air can flow through the gap between the fixing blocks, carrying away the heat generated by the lighting equipment during use and cooling the lighting equipment. At the same time, it avoids the equipment being too close to the wall, which could cause the wall to become damp and seep into the equipment in a cold and damp corridor environment, resulting in the lighting equipment getting damp. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a side view of the overall structure of the present invention; Figure 3 This is a schematic diagram of the wall-mounting mechanism of the present invention; Figure 4 This is a schematic diagram of the backplate mechanism of the present invention; Figure 5 This is a bottom view of the backplate mechanism of the present invention; Figure 6 This is a structural side view of the backplate mechanism of the present invention; Figure 7 This is a schematic diagram of the cover mechanism of the present invention; Figure 8 This is a partial sectional view of the casing mechanism of the present invention.

[0010] In the diagram: 1. Wall-mounting mechanism; 2. Lighting lamp; 3. Cover mechanism; 4. Back panel mechanism; 11. Fixing strip; 12. Inner sliding plate; 13. Connecting plate; 14. Inner arc strip; 31. Outer cover; 32. Louvered panel; 33. Pressing frame; 34. Inner guide cover; 35. Controller; 36. Inner clip frame; 37. Inner frame strip; 38. Grille plate; 39. Sponge block; 41. Fixing plate; 42. Fixing block; 43. Wall pressing plate; 44. Rubber strip; 45. Bottom guide strip; 46. Fixing frame; 47. Clip-on frame; 48. Fixing buckle; 49. Energy storage battery. Detailed Implementation

[0011] Example 1, Reference Figures 1 to 2 and Figures 7 to 8 The present invention provides the following technical solution: An emergency lighting device for building service projects includes: The back panel mechanism 4 has a wall-mounting mechanism 1 symmetrically installed on the outer side of the back panel mechanism 4. The cover mechanism 3 is installed on the other side of the back panel mechanism 4. A lighting lamp 2 is installed on the top of the cover mechanism 3. The bottom end of the lighting lamp 2 passes through the cover mechanism 3 and extends into its interior. The lighting lamp 2 is symmetrically installed along the center position of the axis of the cover mechanism 3. The casing mechanism 3 includes an outer casing 31, with rectangular slots on both sides. Louvers 32 are fixedly installed in each of these slots. The louvers 32 are installed downwards from the inside to the outside of the rectangular slots in the outer casing 31. A raised strip is provided at the end of the louvers 32 away from the outer casing 31. The louvers 32 are evenly installed from top to bottom in the rectangular slots. In use, the controller 35 controls the power connection between the energy storage battery 49 and the lighting lamp 2. When lighting is needed, the power is switched on to enable the lighting lamp. Inner guide covers 34 are fixedly installed on both sides of the inner wall of the outer casing 31. The inner guide covers 34 correspond to the rectangular slots of the outer casing 31, and the bottom of the inner wall of the inner guide covers 34 is sloped. Furthermore, the inner wall of the inner guide cover 34 is uniformly provided with arc-shaped convex strips, and a grid plate 38 is fixedly installed on the top of the inner wall of the inner guide cover 34. The outer side of the grid plate 38 is uniformly provided with grid grooves. In use, the outside air flows inward through the rectangular grooves on both sides of the outer cover 31, flows through the gap between the louvers 32 at the position of the rectangular grooves to the inside of the outer cover 31, and is inside the inner guide cover 34. Inside the inner guide cover 34, it flows upward through the grid grooves of the grid plate 38 and then contacts the sponge block 39. The sponge block 39 filters and absorbs water again, allowing the air to exit the inner guide cover 34. It diffuses and absorbs heat inside the outer cover 31 to cool down. The top of the grid plate 38 is fixedly installed with a sponge block 39.

[0012] The bottom of the lighting lamp 2 is fixedly installed on the top of the outer casing 31, and the bottom end of the lighting lamp 2 passes through the top of the outer casing 31 and extends into its interior. A controller 35 is fixedly installed on the inner wall of the outer casing 31 away from the back plate mechanism 4. The controller 35 is electrically connected to the lighting lamp 2. A pressing frame 33 is fixedly installed on the end of the outer casing 31 near the back plate mechanism 4. An inner frame 36 is fixedly installed on the inner wall of the outer casing 31. An inner frame strip 37 is fixedly installed on the inner wall of the inner frame 36. The inner frame strip 37 is made of rubber.

[0013] Example 2, based on Example 1, with reference to Figures 4 to 6 The backplate mechanism 4 includes a fixing plate 41. A fixing frame 46 is fixedly installed on the side of the fixing plate 41 near the pressing frame 33. The fixing frame 46 and the pressing frame 33 are fixed together by bolts. A fixing buckle 48 is fixedly installed on the side of the fixing plate 41 near the outer cover 31. The fixing buckle 48 is fixedly connected along the center position of the axis of the fixing plate 41, and an energy storage battery 49 is fixedly installed between the fixing buckles 48. The energy storage battery 49 is electrically connected to the controller 35. A snap-fit ​​frame 47 is fixedly installed on the outer side of the fixing frame 46. When the backplate mechanism 4 is connected and fixed to the cover mechanism 3, the pressing frame 33 and the fixing frame 46 are fixedly connected by bolts. The snap-fit ​​frame 47 is inserted into the interior of the outer casing 31 under the restriction of the pressing frame 33, and fits tightly against the inner wall of the outer casing 31. At the same time, after installation and fixing, the snap-fit ​​frame 47 is inserted into the interior of the inner snap-fit ​​frame 36, and the end of the snap-fit ​​frame 47 away from the fixing plate 41 presses the inner frame strip 37, causing the rubber material inner frame strip 37 to deform and compress. At the same time, when installed on the corridor wall, the snap-fit ​​frame 47 fits against the inner wall of the outer casing 31 through the cooperation of the fixing block 42 and the wall pressing plate 43, and the end of the snap-fit ​​frame 47 away from the fixing frame 46 fits against the inner wall of the inner snap-fit ​​frame 36, and the end of the snap-fit ​​frame 47 away from the fixing frame 46 fits against the outer side of the inner frame strip 37.

[0014] A fixing block 42 is fixedly installed on the side of the fixing plate 41 away from the outer casing 31. The fixing blocks 42 are symmetrically installed along the center of the axis of the fixing plate 41, and a pressure plate 43 is fixedly installed on the outer side of the fixing blocks 42. A rubber strip 44 is fixedly installed on the outer side of the pressure plate 43. During installation, the rubber strip 44 on the outer side of the pressure plate 43 is pressed, so that an air flow gap is formed between the fixing plate 41 and the wall through the fixing blocks 42 and the pressure plate 43. At the same time, there is a rubber strip 44 between the fixing plate 41 and the wall. The elastic deformation characteristics of the rubber strip 44 form a buffer protection. The rubber strip 44 is evenly installed on the outer side of the pressure plate 43. A bottom guide strip 45 is fixedly installed at the bottom of the fixing plate 41. The bottom of the bottom guide strip 45 on the side away from the outer casing 31 is inclined, and protrusions are evenly provided on the inclined surface of the bottom guide strip 45.

[0015] Example 3, based on Examples 1 and 2, with reference to Figure 3The wall-mounting mechanism 1 includes a fixing strip 11, one end of which is fixedly connected to the outer side of the fixing plate 41. An inner sliding plate 12 is fixedly installed on the side of the fixing strip 11 away from the fixing plate 41. A connecting plate 13 is installed on the outer side of the inner sliding plate 12. A groove is opened on the outer side of the connecting plate 13, and the inner sliding plate 12 is located in the groove of the connecting plate 13. An inner arc strip 14 is fixedly installed in the groove of the connecting plate 13. The connecting plate 13 is fixed to the installation position of the corridor lighting equipment by bolts. Through the fixed connection between the fixing strip 11 and the back plate mechanism 4, and the sliding engagement between the inner sliding plate 12 and the connecting plate 13, the lighting equipment can be disassembled and installed on the corridor wall, which is convenient for maintenance during disassembly and maintenance. The inner arc strip 14 is symmetrically installed along the center position of the groove axis, and the arc surface of the inner arc strip 14 contacts the outer side of the connecting plate 13. The connecting plate 13 is fixed to the corridor wall by bolts.

[0016] In use, the wall-mounting mechanism 1 is fixed to the corridor wall with bolts, and the lighting equipment is installed on the corridor wall through the connection between the wall-mounting mechanism 1 and the back panel mechanism 4. At the same time, during use, the built-in power supply provides power to the lighting lamp 2. In case of emergency, the lighting equipment is activated for emergency lighting. During use, the back panel mechanism 4 cooperates with the cover mechanism 3 to dissipate heat and prevent moisture.

[0017] In the wall-mounting mechanism 1, the connecting plate 13 is fixed to the installation position of the corridor lighting equipment by bolts, and the lighting equipment can be disassembled and installed on the corridor wall by the fixed connection of the fixing strip 11 and the back plate mechanism 4, and the inner sliding plate 12 is slidably engaged with the connecting plate 13, so as to facilitate maintenance during disassembly and repair.

[0018] When the back plate mechanism 4 is connected and fixed to the cover mechanism 3, the pressing frame 33 and the fixing frame 46 are fixedly connected by bolts. At the same time, during the connection, the snap-fit ​​frame 47 is inserted into the interior of the outer cover 31 under the restriction of the pressing frame 33 and fits tightly against the inner wall of the outer cover 31. After installation and fixing, the snap-fit ​​frame 47 is inserted into the interior of the inner snap-fit ​​frame 36, and the end of the snap-fit ​​frame 47 away from the fixing plate 41 presses the inner frame strip 37, causing the inner frame strip 37 of rubber material to deform and compress. At the same time, when installed on the corridor wall, the fixing block 42 cooperates with the wall pressing plate 43. During installation, the rubber strip 44 on the outside of the wall pressing plate 43 is pressed, so that an air flow gap is formed between the fixing plate 41 and the wall through the fixing block 42 and the wall pressing plate 43. At the same time, there is a rubber strip 44 between the fixing plate 41 and the wall, and the elastic deformation characteristics of the rubber strip 44 form a buffer protection.

[0019] In the housing mechanism 3, during use, the controller 35 controls the power connection between the energy storage battery 49 and the lighting lamp 2. When lighting is needed, the power is turned on to enable the lighting lamp to work. At the same time, during use, outside air flows inward through the rectangular slots on both sides of the outer housing 31, passes through the gap between the louvers 32 at the position of the rectangular slots, flows into the interior of the outer housing 31, and is inside the inner guide cover 34. Inside the inner guide cover 34, it flows upward through the grid groove of the grid plate 38 and then contacts the sponge block 39. The sponge block 39 filters and absorbs water again, allowing the air to exit the inner guide cover 34 and diffuse and absorb heat inside the outer housing 31 for cooling.

Claims

1. A corridor emergency lighting device for building service projects, characterized in that, include: Back panel mechanism (4), a wall hanging mechanism (1) is symmetrically installed on the outside of the back panel mechanism (4), a cover mechanism (3) is installed on the other side of the back panel mechanism (4), a lighting lamp (2) is installed on the top of the cover mechanism (3), the bottom end of the lighting lamp (2) passes through the cover mechanism (3) and extends into its interior, and the lighting lamp (2) is symmetrically installed along the center position of the axis of the cover mechanism (3); The casing mechanism (3) includes an outer casing (31). Rectangular grooves are provided on both sides of the outer casing (31), and louvers (32) are fixedly installed at each of the rectangular grooves. The louvers (32) are installed downwards from the inside to the outside at the rectangular grooves of the outer casing (31). A protruding strip is provided at the end of the louvers (32) away from the outer casing (31), and the louvers (32) are evenly installed from top to bottom at the rectangular grooves. 31) An inner guide cover (34) is fixedly installed on both sides of the inner wall. The inner guide cover (34) corresponds to the rectangular through groove of the outer shell (31). The bottom of the inner wall of the inner guide cover (34) is inclined, and the inner wall of the inner guide cover (34) is uniformly provided with arc protrusion strips. A grid plate (38) is fixedly installed on the top of the inner wall of the inner guide cover (34). The grid plate (38) is uniformly provided with grid grooves on the outer side, and a sponge block (39) is fixedly installed on the top of the grid plate (38).

2. The corridor emergency lighting device for building service projects according to claim 1, characterized in that: The bottom of the lighting lamp (2) is fixedly installed on the top of the outer casing (31), and the bottom end of the lighting lamp (2) penetrates through the top of the outer casing (31) and extends into its interior. A controller (35) is fixedly installed on the side of the inner wall of the outer casing (31) away from the back plate mechanism (4), and the controller (35) is electrically connected to the lighting lamp (2).

3. The corridor emergency lighting device for building service projects according to claim 2, characterized in that: A pressing frame (33) is fixedly installed at one end of the outer shell (31) near the back plate mechanism (4). An inner frame (36) is fixedly installed on the inner wall of the outer shell (31). An inner frame strip (37) is fixedly installed on the inner wall of the inner frame (36). The inner frame strip (37) is made of rubber.

4. The corridor emergency lighting device for building service projects according to claim 3, characterized in that: The back plate mechanism (4) includes a fixing plate (41), and a fixing frame (46) is fixedly installed on the side of the fixing plate (41) near the pressing frame (33). The fixing frame (46) and the pressing frame (33) are fixed together by bolts.

5. The corridor emergency lighting device for building service projects according to claim 4, characterized in that: A fixing buckle (48) is fixedly installed on the side of the fixing plate (41) near the outer shell (31). The fixing buckle (48) is fixedly connected along the center position of the axis of the fixing plate (41), and an energy storage battery (49) is fixedly installed between the fixing buckles (48). The energy storage battery (49) is electrically connected to the controller (35).

6. The corridor emergency lighting device for building service projects according to claim 5, characterized in that: A snap-fit ​​frame (47) is fixedly installed on the outside of the fixed frame (46). The outside of the snap-fit ​​frame (47) is in contact with the inner wall of the outer cover (31), and the end of the snap-fit ​​frame (47) away from the fixed frame (46) is in contact with the inner wall of the inner snap-fit ​​frame (36). The end of the snap-fit ​​frame (47) away from the fixed frame (46) is in contact with the outside of the inner frame strip (37).

7. The corridor emergency lighting device for building service projects according to claim 6, characterized in that: A fixing block (42) is fixedly installed on the side of the fixing plate (41) away from the outer shell (31). The fixing block (42) is symmetrically installed along the center position of the axis of the fixing plate (41), and a wall pressure plate (43) is fixedly installed on the outer side of the fixing block (42).

8. The corridor emergency lighting device for building service projects according to claim 7, characterized in that: A rubber strip (44) is fixedly installed on the outside of the wall pressing plate (43). The rubber strip (44) is evenly installed on the outside of the wall pressing plate (43). A bottom guide strip (45) is fixedly installed on the bottom of the fixing plate (41). The bottom of the bottom guide strip (45) on the side away from the outer cover (31) is inclined, and protrusions are evenly provided on the inclined surface of the bottom guide strip (45).

9. The corridor emergency lighting device for building service projects according to claim 8, characterized in that: The wall-mounting mechanism (1) includes a fixing strip (11), one end of which is fixedly connected to the outside of the fixing plate (41), and an inner sliding plate (12) is fixedly installed on the side of the fixing strip (11) away from the fixing plate (41).

10. The corridor emergency lighting device for building service projects according to claim 9, characterized in that: A connecting plate (13) is installed on the outer side of the inner sliding plate (12). A groove is opened on the outer side of the connecting plate (13), and the inner sliding plate (12) is located in the groove of the connecting plate (13). An inner arc strip (14) is fixedly installed in the groove of the connecting plate (13). The inner arc strip (14) is symmetrically installed along the center position of the groove axis, and the arc surface of the inner arc strip (14) contacts the outer side of the connecting plate (13). The connecting plate (13) is fixed to the corridor wall by bolts.

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