Smoke detector

Abstract

The utility model belongs to the technical field of smoke detectors, and discloses a smoke detector which comprises a machine box, a mounting plate is arranged under the machine box, a filter box and an extension part are arranged between the mounting plate and the machine box, the extension part is fixedly mounted at the top of the filter box, and a driving assembly is arranged at the outer end of the extension part. An auxiliary assembly is arranged on the same side of the extension part and the filter box; through the driving assembly and the auxiliary assembly arranged on the outer side of the filter box and the outer side of the extension part, under the effect of automatically cleaning dust on the outer surface of the filter box, it is prevented that dust on the outer surface of the filter box is accumulated to affect smoke detection work, under cooperation of the auxiliary assembly, the portable replacement effect of a brush used for cleaning can be achieved, and the cleaning efficiency is improved. Therefore, the dust cleaning effect on the outer surface of the filter cartridge is prevented from being affected in the long-term use and extrusion deformation state, and the practicability of the whole smoke detector is improved.

Description

Technical Field

[0001] The present application relates to the technical field of smoke detectors, and more specifically, to a smoke detector. Background Art

[0002] Smoke detectors prevent fires by monitoring the concentration of smoke. Smoke detectors use ion smoke sensors inside. Ion smoke sensors are technologically advanced, stable and reliable sensors that are widely used in various fire alarm systems. Their performance is far superior to gas-sensitive resistor fire alarms.

[0003] After searching the publication number: CN215450369U, a dust-proof smoke detector is disclosed, including a machine box and a main body, the bottom of the machine box is fixedly equipped with the main body, and the bottom of the machine box is fixedly equipped with a plurality of support columns in an equidistant ring. The application has the advantages of preventing dust from contacting the smoke sensor and not affecting the use of the smoke sensor.

[0004] However, it is difficult to replace the brush during use of the application, so that the brush is squeezed and deformed due to long-term use, which affects the cleaning effect of the outer surface of the filter box.

[0005] In order to solve the above problems, the present application provides a smoke detector. Utility Model Content

[0006] The smoke detector provided in this application adopts the following technical solution:

[0007] A smoke detector comprises a machine box, a mounting plate is arranged directly below the machine box, a filter box and an extension are arranged between the mounting plate and the machine box, the extension is fixedly mounted on the top of the filter box, a driving component is arranged at the outer end of the extension, and an auxiliary component is arranged on the same side of the extension and the filter box;

[0008] The auxiliary component includes a vertical bar, the top of which is movably connected to a hinge seat, and the hinge seat is fixedly installed at the bottom of one side of the machine box. A brush is provided on one side wall of the vertical bar, and one end of the brush bristles contacts the outer wall of the filter box. A block is clamped on the outer wall of the bottom end of the vertical bar, and the block is fixedly installed on the side wall of the mounting plate, and a first screw hole is provided in the inner cavity of the block, and a second screw hole is provided at the bottom end of the vertical bar and at a position corresponding to the first screw hole, and a bolt is screwed together with the inner wall of the second screw hole and the first screw hole.

[0009] Through the above technical solution, the provision of the brush facilitates the cleaning of the outer surface of the filter box.

[0010] Furthermore, one end of the brush facing the vertical bar is fixedly connected with a Velcro needle, one end surface of the Velcro needle is adhered with a Velcro hair portion, and the Velcro hair portion is embedded and fixedly installed on one end surface of the vertical bar.

[0011] Through the above technical solution, the Velcro needle part and the Velcro hair part facilitate the replacement operation of the brush.

[0012] Furthermore, the driving assembly includes a toothed ring that is evenly arranged on the outer wall of the bottom end of the extension portion, one side end of the toothed ring is meshed with a gear, the top of the gear is connected to a motor via a rotating shaft, the motor is fixedly mounted on one side of the bottom of the machine box, and the motor is located on the same side of the filter box and the extension portion away from the auxiliary assembly.

[0013] Through the above technical solution, the driving assembly realizes the coaxial rotation of the filter box and the extension part.

[0014] Furthermore, three limiting connecting rods are evenly fixedly connected to the outer circumference of the top of the mounting plate, the top of each limiting connecting rod is fixedly connected to the bottom of the machine box, and the outer wall of each limiting connecting rod is in sliding contact with the inner wall of the filter box and the extension part.

[0015] Through the above technical solution, the three limiting connecting rods realize the fixed connection between the machine box and the mounting plate, thereby achieving the limiting effect of the liner when the filter box and the extension part slide.

[0016] Furthermore, a detector body is arranged at the center of the bottom of the box, and the detector body is located at the inner side of the top ends of the three limit connecting rods.

[0017] Through the above technical solution, the detector body realizes smoke detection of the external environment.

[0018] Furthermore, the filter box and the extension portion have their end faces facing away from each other fixedly mounted with smooth rubber rings, and the end faces facing away from each other of the two smooth rubber rings are in sliding contact with the machine box and the end faces facing the mounting plate, respectively.

[0019] Through the above technical solution, the smooth rubber ring realizes the sliding auxiliary function of the filter box and the extension part.

[0020] In summary, this application includes the following beneficial technical effects:

[0021] By providing the filter box and the extension between the machine box and the mounting plate, the filtering and blocking effect of dust particles in the external environment can be achieved without affecting the normal monitoring use of the overall smoke detector. By providing the driving assembly and the auxiliary assembly on the outside of the filter box and the extension, the dust on the outer surface of the filter box can be automatically cleaned to prevent the accumulation of dust on the outer surface from affecting the detection of smoke. With the cooperation of the auxiliary assembly, the brush used for cleaning can be replaced in a portable manner, thereby preventing the brush from being squeezed and deformed during long-term use, which may affect the dust cleaning effect on the outer surface of the filter box, thereby improving the practicability of the overall smoke detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of this application;

[0023] Figure 2 A semi-exploded diagram of the auxiliary components of this application;

[0024] Figure 3 This is a schematic diagram of the first partial structure of this application;

[0025] Figure 4 This is a schematic diagram of the second partial structure of this application.

[0026] Description of the numbers in the figure:

[0027] 1. Machine box; 2. Mounting plate; 3. Filter box; 4. Extension; 5. Auxiliary component; 51. Vertical bar; 52. Articulated seat; 53. Brush; 531. Velcro needle; 532. Velcro bristle; 54. Block; 55. First screw hole; 56. Second screw hole; 57. Bolt; 6. Toothed ring; 7. Gear; 8. Motor; 9. Limit connecting rod; 10. Detector body; 11. Smooth rubber ring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0029] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] Example:

[0032] The present application embodiment discloses a smoke detector, see Figure 1 and Figure 2 , comprising a machine box 1, a mounting plate 2 is provided directly below the machine box 1, a filter box 3 and an extension 4 are provided between the mounting plate 2 and the machine box 1, the extension 4 is fixedly mounted on the top of the filter box 3, and a driving component is provided at the outer end of the extension 4, and an auxiliary component 5 is provided on the same side of the extension 4 and the filter box 3;

[0033] The auxiliary component 5 includes a vertical bar 51, the top of the vertical bar 51 is movably connected with a hinge seat 52, the hinge seat 52 is fixedly installed at the bottom of one side of the machine box 1, a side wall of the vertical bar 51 is provided with a brush 53, one end of the brush 53 is in contact with the outer wall of the filter box 3, the outer wall of the bottom end of the vertical bar 51 is clamped with a clamping block 54, the clamping block 54 is fixedly installed on the side wall of the mounting plate 2, and the inner cavity of the clamping block 54 is provided with a first screw hole 55, and the bottom end of the vertical bar 51 and the position corresponding to the first screw hole 55 are provided with a second screw hole 56, and the second The inner walls of the screw hole 56 and the first screw hole 55 are screwed with a bolt 57, and the end of the brush 53 facing the vertical bar 51 is fixedly connected with a Velcro needle 531, and one end face of the Velcro needle 531 is adhered with a Velcro hair part 532, and the Velcro hair part 532 is embedded and fixedly installed on one end face of the vertical bar 51; wherein, the mounting plate 2 and the outer end of the filter box 3 are equal in diameter, so that when the brush 53 cleans the dust on the outer surface of the filter box 3, it is possible to prevent the cleaned dust from accumulating on the overall smoke detector.

[0034] See also Figure 1The driving component includes a toothed ring 6 which is evenly arranged on the outer wall of the bottom end of the extension part 4 in a circumferential manner, a gear 7 is meshed on one side end of the toothed ring 6, and a motor 8 is connected to the top of the gear 7 through a rotating shaft. The motor 8 is fixedly installed on one side of the bottom of the machine box 1, and the motor 8 is located on the same side of the filter box 3 and the extension part 4 away from the auxiliary component 5.

[0035] See also Figure 1 , Figure 3 and Figure 4 , three limit connecting rods 9 are evenly fixedly connected to the outer circumference of the top of the mounting plate 2, the top of each limit connecting rod 9 is fixedly connected to the bottom of the machine box 1, and the outer wall of each limit connecting rod 9 is in sliding contact with the inner wall of the filter box 3 and the extension part 4, and a detector body 10 is provided at the central position of the bottom of the machine box 1, and the detector body 10 is located at the inner side of the top of the three limit connecting rods 9, and the end faces of the filter box 3 and the extension part 4 that are opposite to each other are fixedly installed with smooth rubber rings 11, and the end faces of the two smooth rubber rings 11 that are opposite to each other are in sliding contact with the end faces opposite to the machine box 1 and the mounting plate 2, respectively. By providing the smooth rubber rings 11 on the end faces that are opposite to each other of the filter box 3 and the extension part 4, the contact sealing effect between the filter box 3, the extension part 4 and the mounting plate 2 and the machine box 1 can be improved, and the auxiliary sliding contact effect between the filter box 3, the extension part 4 and the mounting plate 2 and the machine box 1 can also be achieved, and the wear problem generated during the sliding process is effectively reduced.

[0036] The implementation principle of this embodiment is as follows: when in use, the filter box 3 is used to facilitate the circulation of gas, so that the smoke detection and alarm of the external environment are realized through the detector body 10, and in the process of gas circulating through the filter box 3, the dust particles contained in the gas are blocked and filtered on the outer surface of the filter box 3, and the motor 8 can be automatically controlled to start regularly to rotate the gear 7, and the meshing state of the gear 7 and the tooth groove ring 6 on the outer wall of the extension part 4, and the three limiting connecting rods 9 on the sliding lining of the filter box 3 and the extension part 4 are used to indirectly make the filter box 3 and the extension part 4 rotate, and in the process of the rotation, the dust accumulated on the outer surface of the filter box 3 is automatically cleaned by the brush 53, and the cleaned dust particles fall to the bottom of the overall smoke detector;

[0037] When necessary, the bolt 57 can be screwed and disengaged from the first screw hole 55 and the second screw hole 56, so that the vertical bar 51 can be rotated and swung by using the hinge seat 52, so that the bottom end of the vertical bar 51 can be disengaged from the block 54, and the vertical bar 51 can be kept away from the outer surface of the filter box 3. The brush 53 can be removed and replaced by utilizing the adhesion between the Velcro needle portion 531 and the Velcro hair portion 532, thereby preventing the cleaning effect on the outer surface of the filter box 3 from being affected.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A smoke detector, comprising a housing (1), characterized in that: A mounting plate (2) is provided directly below the machine box (1); a filter box (3) and an extension portion (4) are provided between the mounting plate (2) and the machine box (1); the extension portion (4) is fixedly mounted on the top of the filter box (3); a driving component is provided at the outer end of the extension portion (4); and an auxiliary component (5) is provided on the same side of the extension portion (4) and the filter box (3); The auxiliary component (5) comprises a vertical bar (51), the top end of the vertical bar (51) is movably connected to a hinge seat (52), the hinge seat (52) is fixedly mounted on the bottom of one side of the machine box (1), a side wall of the vertical bar (51) is provided with a brush (53), one end of the bristles of the brush (53) is in contact with the outer wall of the filter box (3), the outer wall of the bottom end of the vertical bar (51) is clamped with a clamping block (54), the clamping block (54) is fixedly mounted on the side wall of the mounting plate (2), and a first screw hole (55) is provided in the inner cavity of the clamping block (54), the bottom end of the vertical bar (51) and a position corresponding to the first screw hole (55) are provided with a second screw hole (56), and the inner wall of the second screw hole (56) and the first screw hole (55) are screwed with a bolt member (57) together; One end of the brush (53) facing the vertical bar (51) is fixedly connected to a Velcro needle portion (531), one end surface of the Velcro needle portion (531) is adhered to a Velcro hair portion (532), and the Velcro hair portion (532) is embedded and fixedly installed on one end surface of the vertical bar (51).

2. A smoke detector according to claim 1, characterized in that: The driving assembly comprises a toothed ring (6) uniformly arranged on the outer wall of the bottom end of the extension portion (4) in a circumferential manner, a gear (7) meshing on one side end of the toothed ring (6), a motor (8) connected to the top of the gear (7) via a rotating shaft, the motor (8) being fixedly mounted on one side of the bottom of the machine box (1), and the motor (8) being located on the same side of the filter box (3) and the extension portion (4) away from the auxiliary assembly (5).

3. A smoke detector according to claim 1, characterized in that: Three limiting connecting rods (9) are evenly and fixedly connected to the outer circumference of the top of the mounting plate (2), the top of each limiting connecting rod (9) is fixedly connected to the bottom of the machine box (1), and the outer wall of each limiting connecting rod (9) is in sliding contact with the inner wall of the filter box (3) and the extension part (4).

4. A smoke detector according to claim 3, characterized in that: A detector body (10) is arranged at the center of the bottom of the machine box (1), and the detector body (10) is located at the inner side of the top ends of the three limit connecting rods (9).

5. The smoke detector according to claim 1, characterized in that: The filter box (3) and the extension part (4) have their end faces facing away from each other fixedly mounted with smooth rubber rings (11), and the end faces facing away from each other of the two smooth rubber rings (11) are in sliding contact with the end faces facing each other of the machine box (1) and the mounting plate (2).

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