CN217484952U

CN217484952U - Door magnetic alarm with good anti-theft effect

Info

Publication number: CN217484952U
Application number: CN202123099160.0U
Authority: CN
Inventors: 汪新国
Original assignee: Tianjin Tiji Intelligent Technology Co ltd
Current assignee: Tianjin Tiji Intelligent Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-09-23
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a door magnetic alarm with good anti-theft effect, which belongs to the technical field of door magnetic alarms and comprises an alarm body and a bottom frame arranged below the alarm body, wherein two support rods are arranged in the bottom frame, a sliding sleeve is arranged on the support rods in a sliding manner, a rotating column is arranged on the upper surface of the sliding sleeve through a vertical plate, and a U-shaped toothed plate meshed with a gear is arranged on the upper surface of the front side of the bottom frame; this effectual door magnetic alarm of theftproof, through setting up cleaning brush and gear, utilize the sliding sleeve to go up gliding effect drive rotation post on the bracing piece and slide, the cooperation gear rotates with U-shaped pinion rack engaged with effect drive rotation post, when making the movable plate pass through the passageway drive sliding sleeve and remove, the cleaning brush carries out the rotary type clearance to the dust of raise sound inslot under the drive of rotation post, and then avoid the dust to block up the raise sound groove, guarantee that the alarm sound can be clearly heard to the user of service, prevent serious consequence from appearing, improve the theftproof effect.

Description

Door magnetic alarm with good anti-theft effect

Technical Field

The utility model relates to a door magnetic alarm technical field especially relates to a door magnetic alarm that theftproof effect is good.

Background

The door magnetic alarm mainly comprises a switch and a magnet, wherein the switch part is formed by connecting a magnetic reed switch through a lead wire and shaping and packaging; the magnet part is encapsulated in the plastic or alloy shell by the magnet with the corresponding magnetic field intensity, when the two parts are separated or close to a certain distance, the switch is switched off to sense the change of the position of an object, and the door magnet alarm is widely applied to door and window installation in various fields of city security, bank, telecommunication, electric power, judicial, residential area, factory, company, school, home, villa, warehouse and the like.

The existing door magnetic alarm is fixed at one position for a long time, the inner wall of a sound raising port of the alarm can block more dust due to long-time standing, the dust can block the sound propagation of the sound raising port, the decibel of the sound when the alarm gives an alarm is reduced, a user can not clearly hear the alarm sound, serious consequences can easily occur, and the anti-theft effect is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of door magnetic alarm that theftproof effect is good has solved current door magnetic alarm and has all been in a fixed for a long time, and long-time standing leads to the raise voice mouthful inner wall of alarm can block up more dust, and the dust can obstruct the propagation of raise voice mouthful sound, and then the decibel of sound when reducing the alarm and reporting to the police, and the user of service can not be clear hear the chimes of doom, appears serious consequence easily, lowers the problem of theftproof effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a door magnetic alarm that theftproof effect is good, includes alarm body and the underframe of setting in alarm body below, install two bracing pieces in the underframe, slidable mounting has the sliding sleeve on the bracing piece, the upper surface of sliding sleeve is installed through the riser and is rotated the post, the gear is installed to the one end of rotating the post, the last surface mounting of underframe front side has the U-shaped pinion rack with gear engaged with, install three circular shape cleaning brush on the rotation post, the brush hair position of cleaning brush is located the groove of raising voice on the alarm body, one of them the side-mounting of sliding sleeve has the movable plate, the one end of movable plate is passed the passageway that the underframe leading flank was seted up and is extended to outside the underframe.

Adopt above-mentioned scheme, through setting up cleaning brush and gear, utilize the sliding sleeve to go up gliding effect drive rotation post and slide on the bracing piece, cooperation gear rotates with U-shaped pinion rack engaged with effect drive rotation post, when making the movable plate pass through passageway drive sliding sleeve and remove, the cleaning brush carries out the rotary type clearance to the dust in the groove of raising the voice under the drive of rotating the post, and then avoid the dust to block up the groove of raising the voice, guarantee that user of service can be clear hear the chimes of doom, prevent serious consequence, improve the theftproof effect.

As a preferred embodiment, fixed frame is all installed to the left and right sides face of alarm body, the U-shaped plate is all installed to the front and back both sides face of fixed frame, the side-mounting of U-shaped plate has the dead lever, the one end of dead lever slides and runs through and extends to in the fixed frame, two backup pads are all installed to the left and right sides of underframe upper surface, the fixed slot that cooperatees and use with the dead lever is seted up to the top side of backup pad, cup jointed the spring of both ends respectively with U-shaped plate and fixed frame fixed connection on the dead lever.

Adopt above-mentioned scheme, through setting up dead lever and spring, utilize dead lever and fixed slot matched with effect for after the bracing piece moves in the below of fixed frame, the elastic effect of cooperation spring is fixed the backup pad, carries out the atress to the spring through the U-shaped board, makes the dead lever remove the fixed slot with the one end of dead lever at any time at the reaction force of spring, fixes simple structure to the backup pad.

As a preferred embodiment, a receiving frame is arranged in the bottom frame and located below the cleaning brush, one end of the receiving frame is provided with an opening through a side surface of the bottom frame and extends out of the bottom frame, and a fixing component is arranged on the receiving frame.

Adopt above-mentioned scheme, receive the frame through setting up, utilize and receive the effect that the frame is located the cleaning brush under, unify the collection to the dust that the clean brush of during operation cleared up, prevent that the dust from piling up the normal work that influences the cleaning brush at the underframe inner wall, the cooperation is received frame and opening matched with effect, makes things convenient for the user of service to take out the dust in the underframe from the underframe through the opening at any time and handles, makes things convenient for the receipt frame to carry out next work.

As a preferred embodiment, the fixing assembly comprises two rotating plates rotatably mounted on the side surface of the bottom frame through a pin shaft, two fixing plates are mounted on the side surface of the receiving frame, and one end of each rotating plate is abutted to the corresponding fixing plate.

Adopt above-mentioned scheme, through setting up commentaries on classics board and fixed plate, utilize to change the board through round pin axle pivoted effect, will change the board and rotate the front side of receiving the frame, the cooperation is fixed with the inconsistent effect of fixed plate, receives the frame to the during operation and fixes, prevents that the receiving frame of during operation from sliding out in the underframe through the opening, and board pivoted effect is changeed in the cooperation, makes things convenient for the user to rotate at any time and changes the board and fix or remove fixedly, the simple operation to the receipt.

In a preferred embodiment, two side plates are mounted on the inner bottom surface of the bottom frame, and the receiving frame is located between the two side plates.

Adopt above-mentioned scheme, through setting up the curb plate, utilize the curb plate to be located the effect of receiving frame front and back both sides, fix receiving the frame with receiving plate clamp in the middle of for receiving the frame and still being in the below of cleaning brush when receiving external force collision, and then prevent that receiving the frame from appearing rocking at the work side in-process.

As a preferred embodiment, a protective telescopic sleeve is sleeved outside the supporting rod, and two ends of the protective telescopic sleeve are respectively fixedly connected with the inner wall surface of the bottom frame and the sliding sleeve.

Adopt above-mentioned scheme, through setting up the flexible cover of protection, utilize the flexible effect of the flexible cover of protection for the sliding sleeve extrudees or is tensile to the protection telescopic link when sliding on the bracing piece, and then protects the bracing piece, prevents that the cleaning brush dust from covering at the bracing piece when clearing up the groove of raising one's voice, avoids dust increase sliding sleeve at the gliding frictional force of bracing piece, the stability that the increase sliding sleeve removed.

The utility model discloses in:

according to the door magnetic alarm with a good anti-theft effect, the cleaning brush and the gear are arranged, the sliding sleeve is driven to slide on the supporting rod under the sliding action of the sliding sleeve, the gear is matched with the U-shaped toothed plate to be meshed to drive the rotating column to rotate, so that when the moving plate drives the sliding sleeve to move through a channel, the cleaning brush is driven by the rotating column to rotationally clean dust in the sound raising groove, the sound raising groove is prevented from being blocked by the dust, a user can clearly hear an alarm sound, serious consequences are prevented, and the anti-theft effect is improved;

this door magnetic alarm that theftproof effect is good changes board and fixed plate through setting up, utilizes to change the board through round pin axle pivoted effect, will change the board and rotate the front side of receiving the frame, and the cooperation is fixed with the inconsistent effect of fixed plate, receives the frame to the during operation and fixes, prevents that the receiving frame of during operation from roll-off in the underframe through the opening, and board pivoted effect is changeed in the cooperation, makes things convenient for the user to rotate at any time and changes the board and fix or remove fixedly, the simple operation receiving.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the main sectional structure of the present invention;

fig. 4 is a schematic top view of the bottom frame of the present invention;

fig. 5 is a schematic top view of the present invention.

In the figure: 1. an alarm body; 2. a bottom frame; 3. a fixing frame; 4. a support plate; 5. a support bar; 6. a sliding sleeve; 7. rotating the column; 8. a cleaning brush; 9. a gear; 10. a U-shaped toothed plate; 11. moving the plate; 12. a side plate; 13. a protective telescopic sleeve; 14. receiving a frame; 15. rotating the plate; 16. a fixing plate; 17. a U-shaped plate; 18. fixing the rod; 19. a spring.

Detailed Description

Examples

Referring to fig. 1-5, the utility model provides a door magnetic alarm with good anti-theft effect, which comprises an alarm body 1 and a bottom frame 2 arranged below the alarm body 1, two support rods 5 are arranged in the bottom frame 2, a sliding sleeve 6 is arranged on the support rods 5 in a sliding way, the rotating column 7 is driven to slide on the support rods 5 by the sliding action of the sliding sleeve 6 on the support rods 5, the rotating column 7 is arranged on the upper surface of the sliding sleeve 6 through a vertical plate, a gear 9 is arranged at one end of the rotating column 7, a U-shaped toothed plate 10 meshed with the gear 9 is arranged on the upper surface of the front side of the bottom frame 2, three circular cleaning brushes 8 are arranged on the rotating column 7, the brush hair parts of the cleaning brushes 8 are positioned in a sound raising groove on the alarm body 1, the rotating column 7 is driven to rotate by the action of matching the gear 9 meshed with the U-shaped toothed plate 10, so that when the moving plate 11 drives the sliding sleeve 6 to move through a channel, cleaning brush 8 carries out the rotary type clearance to the dust of raising voice inslot under the drive of rotating column 7, and the side-mounting of one of them sliding sleeve 6 has movable plate 11, and the one end of movable plate 11 passes the passageway that 2 leading flanks of underframe were seted up and extends to outside underframe 2, and then avoids the dust to block up the raising voice groove, guarantees that the user of service can be clear hears the chimes of doom, prevents to appear serious consequence, improves the theftproof effect.

The alarm comprises an alarm body 1, fixed frames 3 are mounted on the left side surface and the right side surface of the alarm body 1, U-shaped plates 17 are mounted on the front side surface and the rear side surface of the fixed frames 3, fixing rods 18 are mounted on the side surfaces of the U-shaped plates 17, one ends of the fixing rods 18 penetrate through the fixed frames 3 in a sliding mode, two supporting plates 4 are mounted on the left side surface and the right side surface of the upper surface of a bottom frame 2, fixing grooves matched with the fixing rods 18 for use are formed in the side surfaces of the top ends of the supporting plates 4, springs 19 with two ends fixedly connected with the U-shaped plates 17 and the fixed frames 3 respectively are sleeved on the fixing rods 18, after a supporting rod 5 moves from the lower side of the fixed frames 3 through the matching effect of the fixing rods 18 and the fixing rods 19, the supporting plates 4 are fixed through the U-shaped plates 17, the springs 19 are stressed, and one ends of the fixing rods 18 move to the fixing grooves at any time under the reactive force of the springs 19, the support plate 4 is fixed.

Be provided with in the underframe 2 and be located the receipt frame 14 of cleaning brush 8 below, utilize and receive the effect that frame 14 is located under cleaning brush 8, collect in unison the dust that 8 clearance of cleaning brush of during operation fell, prevent that the dust from piling up the normal work that influences cleaning brush 8 at 2 inner walls of underframe, the one end of receiving frame 14 is passed through underframe 2 side and has been seted up the opening and extend to outside underframe 2, be provided with fixed subassembly on the receipt frame 14, the cooperation is received frame 14 and opening matched with effect, make things convenient for the user of service to take out the dust of taking out in underframe 2 from underframe 2 through the opening at any time and handle, conveniently receive frame 14 and carry out next work.

Fixed subassembly includes two commentaries on classics boards 15 of installing in underframe 2 side through the round pin axle rotation, the side-mounting of receiving frame 14 has two fixed plates 16, utilize commentaries on classics board 15 through round pin axle pivoted effect, will change board 15 and rotate the front side of receiving frame 14, and then with 16 inconsistent effects of fixed plate, receive frame 14 to the during operation and fix, prevent that receiving frame 14 of during operation from passing through the opening and following roll-off in underframe 2, the one end of changeing board 15 is inconsistent with fixed plate 16, the cooperation changes 15 pivoted effects of board, make things convenient for the user of service to rotate at any time and change board 15 and fix or remove fixedly receiving.

Two curb plates 12 are installed to the interior bottom surface of underframe 2, utilize the effect that curb plate 12 is located both sides around receiving frame 14, fix receiving frame 14 with receiving plate clamp in the middle of for receiving frame 14 still is in the below of cleaning brush 8 when receiving external force collision, and then prevents that receiving frame 14 from appearing rocking at the work side in-process, and receiving frame 14 is located between two curb plates 12.

The flexible cover 13 of protection has been cup jointed in the bracing piece 5 outside, utilize the flexible effect of the flexible cover 13 of protection, extrude or stretch the protection telescopic link when making sliding sleeve 6 slide on bracing piece 5, and then protect bracing piece 5, prevent that cleaning brush 8 from covering at bracing piece 5 at the dust when clearing up the groove of raising one's voice, avoid dust increase sliding sleeve 6 at the gliding frictional force of bracing piece 5, the stability that the increase sliding sleeve 6 removed, the both ends of the flexible cover 13 of protection respectively with underframe 2's internal face and sliding sleeve 6 fixed connection.

The working principle is as follows: when the speaker opening of the alarm body 1 is required to be cleaned, the bottom frame 2 is moved to the position below the alarm body 1, then the bottom frame 2 is moved upwards, one end of the supporting plate 4 enters the fixed frame 3, the supporting plate 4 moves the fixed rod 18 outwards, one end of the fixed rod 18 enters the fixed groove under the reaction force of the spring 19 after the movement, then the moving plate 11 is driven, the moving plate 11 drives the sliding sleeve 6 to slide on the supporting rod 5, the sliding sleeve 6 drives the rotating column 7 to move, the rotating column 7 drives the rotating column 7 to rotate under the meshing action of the toothed plate and the U-shaped toothed plate 10, the rotating column 7 drives the cleaning brush 8 to perform rotary cleaning on the speaker groove, the dust falling during cleaning falls into the receiving frame 14, the protective telescopic sleeve 13 is extruded when the sliding sleeve 6 moves, after the speaker groove on the alarm body 1 is cleaned, the rotating plate 15 is rotated to keep the rotating plate 15 away from the fixed position, then, the receiving frame 14 is taken out from the bottom frame 2, and the dust in the receiving frame 14 is cleaned.

Claims

1. A door magnetic alarm with good anti-theft effect is characterized by comprising an alarm body (1) and a bottom frame (2) arranged below the alarm body (1), two support rods (5) are arranged in the bottom frame (2), a sliding sleeve (6) is arranged on each support rod (5) in a sliding manner, the upper surface of the sliding sleeve (6) is provided with a rotating column (7) through a vertical plate, one end of the rotating column (7) is provided with a gear (9), a U-shaped toothed plate (10) meshed with the gear (9) is arranged on the upper surface of the front side of the bottom frame (2), three circular cleaning brushes (8) are arranged on the rotating column (7), the brush hair parts of the cleaning brushes (8) are positioned in the sound raising grooves on the alarm body (1), and a moving plate (11) is arranged on the side surface of one of the sliding sleeves (6), and one end of the moving plate (11) penetrates through a channel formed in the front side surface of the bottom frame (2) and extends out of the bottom frame (2).

2. The door magnetic alarm with good anti-theft effect according to claim 1, characterized in that the left and right side surfaces of the alarm body (1) are provided with the fixed frame (3), the front and back side surfaces of the fixed frame (3) are provided with the U-shaped plates (17), the side surface of the U-shaped plates (17) is provided with the fixed rods (18), one ends of the fixed rods (18) slide to extend into the fixed frame (3), the left and right sides of the upper surface of the bottom frame (2) are provided with the two supporting plates (4), the top side surfaces of the supporting plates (4) are provided with the fixing grooves matched with the fixed rods (18), and the fixed rods (18) are sleeved with the springs (19) respectively fixedly connected with the U-shaped plates (17) and the fixed frame (3) at two ends.

3. The door magnetic alarm with good anti-theft effect according to claim 1, characterized in that a receiving frame (14) is arranged in the bottom frame (2) and located below the cleaning brush (8), one end of the receiving frame (14) is opened through the side surface of the bottom frame (2) and extends out of the bottom frame (2), and a fixing component is arranged on the receiving frame (14).

4. The door magnetic alarm with good anti-theft effect according to claim 3, characterized in that the fixing component comprises two rotating plates (15) rotatably mounted on the side of the bottom frame (2) through pin shafts, two fixing plates (16) are mounted on the side of the receiving frame (14), and one end of each rotating plate (15) is abutted against the corresponding fixing plate (16).

5. The door magnetic alarm with good anti-theft effect according to claim 3, characterized in that two side plates (12) are installed on the inner bottom surface of the bottom frame (2), and the receiving frame (14) is positioned between the two side plates (12).

6. The door magnetic alarm with good anti-theft effect according to claim 1, characterized in that a protective telescopic sleeve (13) is sleeved outside the supporting rod (5), and two ends of the protective telescopic sleeve (13) are respectively fixedly connected with the inner wall surface of the bottom frame (2) and the sliding sleeve (6).