Novel pre-acting device

Abstract

The utility model discloses a novel pre-acting device which comprises a detection cylinder, an inner cavity of the detection cylinder is movably connected with a rotating shaft through a bearing seat, the surface of the rotating shaft is fixedly connected with a driving blade, the surface of the rotating shaft is fixedly connected with a transmission mechanism, and the transmission mechanism comprises a driving bevel gear and a driven bevel gear. A rotating rod is fixedly connected to the axis of the driven bevel gear, a fixing disc is fixedly connected to the bottom of the rotating rod, and a cleaning mechanism is fixedly connected to the top of the fixing disc through a fixing rod. Through cooperation of the rotating shaft, the driving blade, the transmission mechanism, the rotating rod, the fixing disc, the cleaning mechanism and the detector, the negative pressure fan drives the driving blade to rotate under negative pressure, the driving blade drives the rotating rod to rotate through the rotating shaft and the transmission mechanism, the rotating rod drives the cleaning mechanism to rotate through the fixing disc, and the surface of the dustproof net is cleaned. And therefore, the effect of high practicability is achieved, and the problem of low practicability of an existing device is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire alarm, in particular to a novel pre-action device. Background Art

[0002] Fire safety has become an indispensable part of social security. Firefighting equipment's timely fire alarm and fire extinguishing have become crucial parts. Air detection is a necessary technology. Existing detection devices do not have self-cleaning functions and do not have exhaust devices, resulting in a small detection range and low practicality. Utility Model Content

[0003] The purpose of the utility model is to provide a novel pre-action device, which has the advantage of high practicability and solves the problem of low practicability of the existing device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel pre-action device, comprising a detection cylinder, the inner cavity of the detection cylinder is movably connected with a rotating shaft through a bearing seat, the surface of the rotating shaft is fixedly connected with a driving blade, the surface of the rotating shaft is fixedly connected with a transmission mechanism, the transmission mechanism comprises an active bevel gear and a driven bevel gear, the axis of the driven bevel gear is fixedly connected with a rotating rod, the bottom of the rotating rod is fixedly connected with a fixed disk, the top of the fixed disk is fixedly connected with a cleaning mechanism through a fixed rod, the cleaning mechanism comprises a fixed box, and a detector is arranged on the inner side of the detection cylinder.

[0005] Preferably, a driving bevel gear is fixedly connected to the surface of the rotating shaft, and a driven bevel gear is meshed with the surface of the driving bevel gear.

[0006] Preferably, a return spring is fixedly connected to the inner cavity of the fixed box, the other end of the return spring is fixedly connected to a baffle, and a cleaning brush is provided on one side of the baffle.

[0007] Preferably, the number of the driving blades is two, and the active bevel gear is located between the two driving blades.

[0008] Preferably, a guide plate is fixedly connected to the inner cavity of the detection cylinder, and the guide plate is inclined at a certain angle to the horizontal plane.

[0009] Preferably, the top of the detection cylinder is connected to a negative pressure fan, and the surface of the detection cylinder is provided with a dustproof net.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model achieves high practicality by cooperating with a rotating shaft, a driving blade, a transmission mechanism, a rotating rod, a fixed disk, a cleaning mechanism and a detector. The negative pressure fan generates negative pressure, and the negative pressure drives the driving blade to rotate. The driving blade drives the rotating rod to rotate through the rotating shaft and the transmission mechanism. The rotating rod drives the cleaning mechanism to rotate through the fixed disk to clean the surface of the dustproof net, thereby achieving a high practicality effect and solving the problem of low practicality of the existing device.

[0012] 2. The utility model cooperates with a fixed box, a return spring, a baffle and a cleaning brush. The return spring drives the cleaning brush to move through the baffle so that the brush contacts the dust screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle part;

[0015] Figure 3 This is a front cross-sectional view of the fixed box structure of the utility model.

[0016] In the figure: 1. detection cylinder; 2. rotating shaft; 3. driving blade; 4. transmission mechanism; 41. active bevel gear; 42. driven bevel gear; 5. rotating rod; 6. fixed plate; 7. cleaning mechanism; 71. fixed box; 72. return spring; 73. baffle; 74. cleaning brush; 8. detector; 9. guide plate; 10. negative pressure fan; 11. dust net. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3A novel pre-action device includes a detection cylinder 1, the inner cavity of the detection cylinder 1 is fixedly connected with a guide plate 9, the guide plate 9 is inclined at a certain angle to the horizontal plane, the top of the detection cylinder 1 is connected with a negative pressure fan 10, and the surface of the detection cylinder 1 is provided with a dustproof net 11. Through the cooperation of a fixed box 71, a reset spring 72, a baffle 73 and a cleaning brush 74, the reset spring 72 drives the cleaning brush 74 to move through the baffle 73 so that it contacts the dustproof net 11. The inner cavity of the detection cylinder 1 is movably connected with a rotating shaft 2 through a bearing seat, the surface of the rotating shaft 2 is fixedly connected with an active bevel gear 41, the surface of the active bevel gear 41 is meshed with a driven bevel gear 42, the surface of the rotating shaft 2 is fixedly connected with a driving blade 3, the number of the driving blade 3 is two, the active bevel gear 41 is located between the two driving blades 3, the surface of the rotating shaft 2 is fixedly connected with a transmission mechanism 4, the transmission mechanism 4 includes an active bevel gear 41 and a driven bevel gear Wheel 42, a rotating rod 5 is fixedly connected to the axis of the driven bevel gear 42, the bottom of the rotating rod 5 is fixedly connected to a fixed disk 6, the top of the fixed disk 6 is fixedly connected to a cleaning mechanism 7 through a fixed rod, the cleaning mechanism 7 includes a fixed box 71, the inner cavity of the fixed box 71 is fixedly connected to a return spring 72, the other end of the return spring 72 is fixedly connected to a baffle 73, one side of the baffle 73 is provided with a cleaning brush 74, and the inner side of the detection cylinder 1 is provided with a detector 8. Through the cooperation of the rotating shaft 2, the driving blade 3, the transmission mechanism 4, the rotating rod 5, the fixed disk 6, the cleaning mechanism 7 and the detector 8, the negative pressure fan 10 is negatively pressurized, and the negative pressure drives the driving blade 3 to rotate. The driving blade 3 drives the rotating rod 5 to rotate through the rotating shaft 2 and the transmission mechanism 4, and the rotating rod 5 drives the cleaning mechanism 7 to rotate through the fixed disk 6, so as to clean the surface of the dustproof net 11, thereby achieving a high practical effect and solving the problem of low practicality of the existing device.

[0019] When in use, the negative pressure fan 10 generates negative pressure, and the negative pressure drives the driving blades 3 to rotate. The driving blades 3 drive the rotating rod 5 to rotate through the rotating shaft 2 and the transmission mechanism 4. The rotating rod 5 drives the cleaning mechanism 7 to rotate through the fixed plate 6 to clean the surface of the dustproof net 11, thereby achieving a highly practical effect.

[0020] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent. In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel pre-action device, comprising a detection tube (1), characterized in that: The inner cavity of the detection cylinder (1) is movably connected to a rotating shaft (2) via a bearing seat, a driving blade (3) is fixedly connected to the surface of the rotating shaft (2), a transmission mechanism (4) is fixedly connected to the surface of the rotating shaft (2), the transmission mechanism (4) comprises a driving bevel gear (41) and a driven bevel gear (42), a rotating rod (5) is fixedly connected to the axis of the driven bevel gear (42), a fixed plate (6) is fixedly connected to the bottom of the rotating rod (5), a cleaning mechanism (7) is fixedly connected to the top of the fixed plate (6) via a fixed rod, the cleaning mechanism (7) comprises a fixed box (71), and a detector (8) is arranged on the inner side of the detection cylinder (1).

2. A novel pre-action device according to claim 1, characterized in that: A driving bevel gear (41) is fixedly connected to the surface of the rotating shaft (2), and a driven bevel gear (42) is meshed with the surface of the driving bevel gear (41).

3. A novel pre-action device according to claim 1, characterized in that: A return spring (72) is fixedly connected to the inner cavity of the fixed box (71), the other end of the return spring (72) is fixedly connected to a baffle (73), and a cleaning brush (74) is provided on one side of the baffle (73).

4. A novel pre-action device according to claim 1, characterized in that: The number of the driving blades (3) is two, and the active bevel gear (41) is located between the two driving blades (3).

5. A novel pre-action device according to claim 1, characterized in that: A guide plate (9) is fixedly connected to the inner cavity of the detection cylinder (1), and the guide plate (9) is inclined at a certain angle to the horizontal plane.

6. A novel pre-action device according to claim 1, characterized in that: The top of the detection cylinder (1) is connected to a negative pressure fan (10), and the surface of the detection cylinder (1) is provided with a dustproof net (11).

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