CN221463413U - Smoke alarm for fire engineering - Google Patents

Abstract

The utility model belongs to the field of smoke alarms, specifically a smoke alarm for fire protection engineering, comprising a station column; a first sliding groove is provided on the inner side wall of the station column; a rack is slidably connected to the inner side of the first sliding groove; a first sleeve is fixedly connected to the inner side wall of the station column; a threaded rod is rotatably connected to the inner side of the first sleeve; a gear is fixedly connected to the outer wall of the threaded rod; a fixed column is fixedly connected to the inner side wall of the station column; when working: rotating the threaded rod drives the gear to rotate, because the rack and the gear are meshed with each other, the connecting rod and the rack are connected to each other, and during the rotation of the gear, the rack, the connecting rod and the smoke alarm are driven to move upward, so as to achieve the effect of quickly installing the smoke alarm on the roof beam, thereby reducing the need for workers to climb to a high place when installing the smoke alarm, and the situation that the installation tools are easily dropped during the climbing process, thereby improving the overall work efficiency when installing the smoke alarm.

Description

A smoke alarm for fire engineering

Technical Field

The utility model relates to the field of smoke alarms, in particular to a smoke alarm for fire protection engineering.

Background technique

The smoke alarm for fire engineering is a device used to monitor the smoke concentration. In daily life, the smoke alarm for fire engineering is widely used in various fire protection systems, which can effectively remind the surrounding people to evacuate quickly.

In the current existing technology, smoke alarms used in fire engineering are mainly composed of sensors, power supplies, alarms, protective casings and other components. When a large amount of smoke occurs in the surrounding environment, the sensor will immediately send a signal and the alarm will sound an alarm, thereby reducing the occurrence of fire.

The existing smoke alarms for fire protection engineering are often installed on roof beams during work, and workers are required to carry ladders and climb to high places for installation. However, the installation tools carried by the workers may easily fall during the climbing process, thereby reducing the overall work efficiency of the workers in installing the smoke alarms. Therefore, a smoke alarm for fire protection engineering is proposed to address the above problems.

Utility Model Content

In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a smoke alarm for fire protection engineering.

The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a smoke alarm for fire engineering, comprising a station column; the inner side wall of the station column is provided with a first slide groove; the inner side of the first slide groove is slidably connected with a rack; the inner side wall of the station column is fixedly connected with a first sleeve; the inner side wall of the first sleeve is rotatably connected with a threaded rod; the outer side wall of the threaded rod is fixedly connected with a gear; the inner side wall of the station column is fixedly connected with a fixed column; the outer side wall of the fixed column is rotatably connected with a movable plate; the inner side wall of the station column is fixedly connected with a fixed plate; the top of the fixed plate is fixedly connected with a return spring; the top of the return spring is connected to the movable plate; the inner side wall of the station column is fixedly connected with a limiting block; the bottom of the limiting block and the top of the movable plate are mutually fitted; the top of the rack is fixedly connected with a connecting rod; the bottom of the connecting rod is fixedly connected with a smoke alarm.

Preferably, a pair of first connecting blocks are fixedly connected to the outer side wall of the connecting rod; a pair of second connecting blocks are fixedly connected to the bottom of the first connecting block; a dust cover is fixedly connected to the bottom of the second connecting block; a plurality of groups of air holes are penetrated through the outer side wall of the dust cover; a sealing ring is fixedly connected to the top of the dust cover; the inner side wall of the sealing ring is in contact with the outer side wall of the smoke alarm.

Preferably, a servo motor is fixedly connected to one end of the connecting rod; a second slide groove is opened on the inner side of the connecting rod; a second sleeve is fixedly connected to the inner side of the second slide groove near the end of the smoke alarm; a screw rod is rotatably connected to the inner side of the second sleeve; the end of the screw rod away from the second sleeve is interconnected with the servo motor; a slider is slidably connected to the inner side of the second slide groove; the slider and the screw rod are threadedly connected; a first connecting column is fixedly connected to the bottom of the slider; and a first cleaning brush is fixedly connected to the bottom of the first connecting column.

Preferably, the outer wall of the station column is penetrated by multiple groups of first limiting holes; the outer wall of the rack is penetrated by multiple groups of second limiting holes; the first limiting holes are symmetrical to the second limiting holes; and a limiting rod is slidably fitted inside the first limiting hole.

Preferably, a pair of second connecting columns are fixedly connected to the inner side wall of the station column; a connecting plate is fixedly connected to one end of the second connecting column; and a second cleaning brush is fixedly connected to the side wall of the connecting plate close to the rack.

Preferably, a fitting rotating column is rotatably connected to the inner side of the movable plate; and the outer side wall of the fitting rotating column and the inner side wall of the gear are fitted to each other.

Preferably, a plurality of groups of soft friction plates are fixedly connected to the inner side wall of the gear.

The utility model is beneficial in that:

1. The smoke alarm for fire protection engineering described in the utility model drives the gear to rotate by rotating the threaded rod. Since the rack and the gear are meshed with each other, the connecting rod and the rack are connected to each other. During the rotation of the gear, the rack, the connecting rod and the smoke alarm are driven to move upward, so as to achieve the effect of quickly installing the smoke alarm on the roof beam, thereby reducing the need for workers to climb to a high place when installing the smoke alarm, and the situation that the installation tools are easily dropped during the climbing process, thereby improving the overall work efficiency when installing the smoke alarm; when the smoke alarm is installed, the gear reversal can be prevented by the cooperation between the limit block and the movable plate, thereby reducing the situation that the rack, the connecting rod and the smoke alarm slide downward due to the gear reversal, thereby improving the stability of the smoke alarm when working above.

2. The utility model discloses a smoke alarm for fire protection engineering, which reduces the possibility of dust and impurities adhering to the surface of the smoke alarm due to the smoke alarm being in external operation for a long time, by providing a dust cover on the outside of the smoke alarm, thereby improving the service life of the smoke alarm; and provides a sealing ring on the top of the dust cover, which reduces the possibility of external dust and impurities directly entering the interior of the dust cover, thereby improving the cleanliness of the interior of the dust cover.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

Fig. 1 is a perspective view of a station column in the utility model;

FIG2 is an enlarged view of point A in FIG1 ;

FIG3 is a perspective view of a rack in the utility model;

FIG4 is an enlarged view of point B in FIG3 ;

FIG5 is an enlarged view of point C in FIG3 ;

FIG. 6 is a perspective view of the servo motor in the present invention.

In the figure: 1. standing column; 11. first slide groove; 12. rack; 13. first sleeve; 14. threaded rod; 15. gear; 16. fixed column; 17. movable plate; 18. fixed plate; 19. reset spring; 110. limit block; 111. connecting rod; 112. smoke alarm; 2. first connecting block; 21. second connecting block; 22. dust cover; 23. air vent; 24. sealing ring; 3. servo motor; 31. second sleeve; 32. screw rod; 33. slider; 34. first connecting column; 35. first cleaning brush; 36. second slide groove; 4. first limit hole; 41. second limit hole; 42. limit rod; 5. second connecting column; 51. connecting plate; 52. second cleaning brush; 6. fitting rotating column; 7. friction soft plate.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

As shown in Figures 1, 2, 3 and 4, a smoke alarm for fire engineering includes a station column 1; the inner side wall of the station column 1 is provided with a first slide groove 11; the inner side of the first slide groove 11 is slidably connected with a rack 12; the inner side wall of the station column 1 is fixedly connected with a first sleeve 13; the inner side of the first sleeve 13 is rotatably connected with a threaded rod 14; the outer side wall of the threaded rod 14 is fixedly connected with a gear 15; the inner side wall of the station column 1 is fixedly connected with a fixed column 16; the outer side wall of the fixed column 16 is rotatably connected with a movable The station column 1 is fixed to a fixed plate 18 on the inner side wall; a return spring 19 is fixed to the top of the fixed plate 18; the top of the return spring 19 is connected to the movable plate 17; a limit block 110 is fixed to the inner side wall of the station column 1; the bottom of the limit block 110 fits the top of the movable plate 17; a connecting rod 111 is fixed to the top of the rack 12; a smoke alarm 112 is fixed to the bottom of the connecting rod 111; when working: first fix the station column 1 to the wall through the fastening assembly When the smoke alarm 112 is installed at the bottom of the connecting rod 111, the threaded rod 14 is rotated to drive the gear 15 to rotate. Since the rack 12 and the gear 15 are meshed with each other, the connecting rod 111 and the rack 12 are connected to each other. During the rotation of the gear 15, the rack 12, the connecting rod 111 and the smoke alarm 112 are driven to move upward, so as to achieve the effect of quickly installing the smoke alarm 112 on the roof beam, thereby reducing the need for workers to climb to a high place when installing the smoke alarm 112, and the situation that the installation tools are easily dropped during the climbing process, thereby improving the overall work efficiency when installing the smoke alarm 112; when the smoke alarm 112 is installed, the gear 15 can be prevented from reversing by cooperating with the limit block 110 and the movable plate 17, thereby reducing the situation that the rack 12, the connecting rod 111 and the smoke alarm 112 slide downward due to the reversal of the gear 15, thereby improving the stability of the smoke alarm 112 when working at the top.

As shown in Figure 2, a pair of first connecting blocks 2 are fixedly connected to the outer wall of the connecting rod 111; a pair of second connecting blocks 21 are fixedly connected to the bottom of the first connecting block 2; a dust cover 22 is fixedly connected to the bottom of the second connecting block 21; a plurality of groups of air holes 23 are penetrated through the outer wall of the dust cover 22; a sealing ring 24 is fixedly connected to the top of the dust cover 22; the inner wall of the sealing ring 24 fits with the outer wall of the smoke alarm 112; when working: by setting the dust cover 22 on the outside of the smoke alarm 112, the situation that dust and impurities adhere to the surface of the smoke alarm 112 due to the smoke alarm 112 being in external work for a long time is reduced, thereby improving the working life of the smoke alarm 112; and by setting the sealing ring 24 on the top of the dust cover 22, the situation that external dust and impurities directly enter the inside of the dust cover 22 is reduced, thereby improving the cleanliness of the inside of the dust cover 22.

As shown in FIG6 , the servo motor 3 is fixedly connected to one end of the connecting rod 111; a second slide groove 36 is provided inside the connecting rod 111; a second sleeve 31 is fixedly connected to the inner end of the second slide groove 36 near the smoke alarm 112; a screw rod 32 is rotatably connected to the inner side of the second sleeve 31; the end of the screw rod 32 away from the second sleeve 31 is connected to the servo motor 3; a slider 33 is slidably connected to the inner side of the second slide groove 36; the slider 33 and the screw rod 32 are threadedly connected; a first connecting column 34 is fixedly connected to the bottom of the slider 33; a first cleaning brush 35 is fixedly connected to the bottom of the first connecting column 34; when working, : Start the servo motor 3 to drive the screw rod 32 to rotate inside the second sleeve 31. During the rotation of the screw rod 32, the slider 33 can be driven to move inside the second slide groove 36. Since the first connecting column 34 is respectively connected to the slider 33 and the first cleaning brush 35, during the movement of the slider 33, the first cleaning brush 35 is driven to move toward the side close to the dust cover 22. During the movement of the first cleaning brush 35, dust and impurities adhered to the surface of the dust cover 22 can be cleaned, thereby reducing the situation where the air vent 23 is easily blocked due to a large amount of dust and impurities adhered to the surface of the dust cover 22, thereby improving the cleanliness of the surface of the dust cover 22.

As shown in Figures 1 and 3, the outer wall of the station column 1 is penetrated by multiple groups of first limiting holes 4; the outer wall of the rack 12 is penetrated by multiple groups of second limiting holes 41; the first limiting holes 4 and the second limiting holes 41 are symmetrical to each other; the inner side of the first limiting hole 4 is slidably matched with a limiting rod 42; during operation: after the smoke alarm 112 is installed, the limiting rod 42 enters the second limiting hole 41 through the first limiting hole 4, so as to achieve the effect of fixing the rack 12, thereby improving the stability of the smoke alarm 112 when working at a high place for a long time.

As shown in Figure 5, a pair of second connecting columns 5 are fixedly connected to the inner side wall of the station column 1; a connecting plate 51 is fixedly connected to one end of the second connecting column 5; a second cleaning brush 52 is fixedly connected to the side wall of the connecting plate 51 close to the rack 12; during operation: during the upward movement of the rack 12, the second cleaning brush 52 can clean the dust and impurities adhered to the surface of the rack 12, thereby improving the cleanliness of the surface of the rack 12.

As shown in FIG4 , the movable plate 17 is rotatably connected to an inner side with a fitting rotating column 6; the outer side wall of the fitting rotating column 6 fits with the inner side wall of the gear 15; during operation: when the gear 15 rotates, it squeezes the movable plate 17 to rotate downward, and at this time, the fitting rotating column 6 follows the rotation, thereby reducing the mutual contact friction between the gear 15 and the movable plate 17, resulting in more serious surface wear of the movable plate 17, thereby increasing the working life of the movable plate 17.

As shown in FIG. 4 , the inner wall of the gear 15 is fixedly connected with a plurality of groups of friction soft plates 7; during operation, the friction soft plates 7 are made of elastic material, and during the process of the gear 15 and the rack 12 cooperating with each other to rotate, the friction soft plates 7 first contact the rack 12, thereby reducing the mutual friction rotation between the gear 15 and the rack 12, resulting in more serious wear on the surface of the gear 15.

Working principle: first fix the standing column 1 on the wall through the fastening assembly, and then install the smoke alarm 112 at the bottom of the connecting rod 111. At this time, rotate the threaded rod 14 to drive the gear 15 to rotate. Because the rack 12 and the gear 15 are meshed with each other, the connecting rod 111 and the rack 12 are connected to each other. During the rotation of the gear 15, the rack 12, the connecting rod 111 and the smoke alarm 112 are driven to move upward, so as to achieve the effect of quickly installing the smoke alarm 112 on the roof beam, thereby reducing the need for workers to climb to a high place when installing the smoke alarm 112, and the situation that the installation tools are easily dropped during the climbing process, thereby improving the overall work efficiency when installing the smoke alarm 112; when the smoke alarm 112 is installed, the limit block 110 and the movable The plates 17 cooperate with each other to prevent the gear 15 from reversing, thereby reducing the possibility of the rack 12, the connecting rod 111 and the smoke alarm 112 sliding downward due to the reversal of the gear 15, thereby improving the stability of the smoke alarm 112 when working from the top; by providing a dust cover 22 on the outside of the smoke alarm 112, the possibility of dust and impurities adhering to the surface of the smoke alarm 112 due to the smoke alarm 112 being in external operation for a long time is reduced, thereby improving the service life of the smoke alarm 112; and by providing a sealing ring 24 on the top of the dust cover 22, the possibility of external dust and impurities directly entering the interior of the dust cover 22 is reduced, thereby improving the cleanliness of the interior of the dust cover 22; start the servo motor 3 to drive The movable screw rod 32 rotates inside the second sleeve 31. During the rotation of the screw rod 32, the slider 33 can be driven to move inside the second slide groove 36. Since the first connecting column 34 is respectively connected to the slider 33 and the first cleaning brush 35, the slider 33 is driven to move toward the side close to the dust cover 22 during the movement of the slider. During the movement of the first cleaning brush 35, dust and impurities adhered to the surface of the dust cover 22 can be cleaned, thereby reducing the situation where the air vent 23 is easily blocked due to the large amount of dust and impurities adhered to the surface of the dust cover 22, thereby improving the cleanliness of the surface of the dust cover 22. After the smoke alarm 112 is installed, the limiting rod 42 enters the second limiting hole 41 through the first limiting hole 4, so as to achieve the effect of fixing the rack 12, thereby improving the smoke alarm The alarm 112 is stable when working at a high place for a long time; during the upward movement of the rack 12, the second cleaning brush 52 can clean the dust and impurities adhered to the surface of the rack 12, thereby improving the cleanliness of the surface of the rack 12; when the gear 15 rotates, it squeezes the movable plate 17 to rotate downward, and the fitting rotating column 6 rotates with it, thereby reducing the mutual contact friction between the gear 15 and the movable plate 17, resulting in more serious wear on the surface of the movable plate 17, thereby improving the working life of the movable plate 17; the friction soft plate 7 is made of elastic material, and during the mutual cooperation and rotation of the gear 15 and the rack 12, the friction soft plate 7 first contacts with the rack 12, thereby reducing the mutual friction rotation between the gear 15 and the rack 12, resulting in more serious wear on the surface of the gear 15.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims (7)

1. A smoke alarm for fire engineering comprises a standing column (1); the method is characterized in that: a first chute (11) is formed in the inner side wall of the standing column (1); the inner side of the first chute (11) is connected with a rack (12) in a sliding manner; a first sleeve (13) is fixedly connected to the inner side wall of the standing column (1); a threaded rod (14) is rotatably connected to the inner side of the first sleeve (13); the outer side wall of the threaded rod (14) is fixedly connected with a gear (15); the inner side wall of the standing column (1) is fixedly connected with a fixed column (16); the outer side wall of the fixed column (16) is rotatably connected with a movable plate (17); a fixed plate (18) is fixedly connected to the inner side wall of the standing column (1); a reset spring (19) is fixedly connected to the top of the fixed plate (18); the top of the return spring (19) is connected with the movable plate (17); a limiting block (110) is fixedly connected to the inner side wall of the standing column (1); the bottom of the limiting block (110) is mutually attached to the top of the movable plate (17); a connecting rod (111) is fixedly connected to the top of the rack (12); and a smoke alarm (112) is fixedly connected to the bottom of the connecting rod (111).

2. A smoke alarm for fire engineering according to claim 1, wherein: a pair of first connecting blocks (2) are fixedly connected to the outer side wall of the connecting rod (111); a pair of second connecting blocks (21) are fixedly connected to the bottom of the first connecting block (2); a dust cover (22) is fixedly connected to the bottom of the second connecting block (21); a plurality of groups of ventilation holes (23) are formed in the outer side wall of the dust cover (22) in a penetrating manner; a sealing ring (24) is fixedly connected to the top of the dust cover (22); the inner side wall of the sealing ring (24) is mutually attached to the outer side wall of the smoke alarm (112).

3. A smoke alarm for fire engineering according to claim 1, wherein: one end of the connecting rod (111) is fixedly connected with a servo motor (3); a second chute (36) is formed in the inner side of the connecting rod (111); a second sleeve (31) is fixedly connected to one end, close to the smoke alarm (112), of the inner side of the second chute (36); a screw rod (32) is rotatably connected to the inner side of the second sleeve (31); one end, far away from the second sleeve (31), of the screw rod (32) is connected with the servo motor (3); a sliding block (33) is connected to the inner side of the second sliding groove (36) in a sliding manner; the sliding block (33) is in threaded connection with the screw rod (32); a first connecting column (34) is fixedly connected to the bottom of the sliding block (33); the bottom of the first connecting column (34) is fixedly connected with a first cleaning brush (35).

4. A smoke alarm for fire engineering according to claim 1, wherein: a plurality of groups of first limiting holes (4) are formed in the outer side wall of the standing column (1) in a penetrating manner; a plurality of groups of second limiting holes (41) are formed in the outer side wall of the rack (12) in a penetrating manner; the first limiting hole (4) and the second limiting hole (41) are symmetrical to each other; and a limiting rod (42) is slidably matched with the inner side of the first limiting hole (4).

5. A smoke alarm for fire engineering according to claim 1, wherein: a pair of second connecting columns (5) are fixedly connected to the inner side wall of the standing column (1); one end of the second connecting column (5) is fixedly connected with a connecting plate (51); the side wall of the connecting plate (51) close to one side of the rack (12) is fixedly connected with a second cleaning brush (52).

6. A smoke alarm for fire engineering according to claim 1, wherein: the inner side of the movable plate (17) is rotationally connected with a jointing rotary column (6); the outer side wall of the attaching rotary column (6) is attached to the inner side wall of the gear (15).

7. A smoke alarm for fire engineering according to claim 1, wherein: the inner side wall of the gear (15) is fixedly connected with a plurality of groups of friction soft plates (7).