CN108712839B

CN108712839B - Dustproof effectual PTC heating element power-off protection device

Info

Publication number: CN108712839B
Application number: CN201810469036.2A
Authority: CN
Inventors: 茅晓晨
Original assignee: Zhejiang Oulandun Electric Appliance Technology Co ltd
Current assignee: Zhejiang Oulandun Electric Appliance Technology Co ltd
Priority date: 2018-05-16
Filing date: 2018-05-16
Publication date: 2020-09-15
Anticipated expiration: 2038-05-16
Also published as: CN108712839A

Abstract

The invention discloses a PTC heating assembly power-off protection device with a good dustproof effect, which comprises a shell, a telescopic device and a fixing device, wherein a horizontal sliding rail is arranged on the inner wall of the bottom end of the shell, and the top end of the horizontal sliding rail is connected with a sliding seat in a sliding manner; the telescopic device installed on the inner wall of one side of the shell comprises a fixed pipe, a spring is arranged on the inner wall of one side, close to the shell, of the fixed pipe, an anti-falling plate is fixedly installed at one end of the spring, a telescopic rod is sleeved inside the fixed pipe, and one end of the telescopic rod is connected with one side of the anti-falling plate in a welding mode; the fixing device arranged on the top end of the sliding seat comprises a metal seat, one side of the metal seat is connected with the other end of the telescopic rod in a welding mode, and fixing plates are fixedly arranged on two sides of the top end of the metal seat. Compared with the existing device, the invention can fix and clamp heating components with different specifications and dissipate heat in time during power failure on one hand, and can better prevent dust for the whole device and ensure the using effect on the other hand.

Description

Dustproof effectual PTC heating element power-off protection device

Technical Field

The invention relates to the technical field of power-off protection devices, in particular to a PTC heating assembly power-off protection device with a good dustproof effect.

Background

With the continuous development of modern science and technology, the use of the PTC heating component in daily electronic components or manufacturing industry is more and more frequent, but because the PTC heating component generates more heat in the working process, once power failure or short circuit occurs, unpredictable harm is easy to generate, a power failure protection device is needed to be used for protecting the PTC heating component in the using process, and the electronic component is easy to adsorb more dust in the working process, so that the working efficiency of the component is influenced, and on the other hand, a large amount of accumulated heat is easy to accumulate to cause fire, therefore, the power failure protection device for the PTC heating component with good dust prevention effect is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a PTC heating component power-off protection device with a good dustproof effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

a PTC heating component power-off protection device with good dustproof effect comprises a shell, a horizontal sliding rail is arranged on the inner wall of the bottom end of the shell, a sliding seat is connected with the top end of the horizontal sliding rail in a sliding way,

the device also comprises a contraction device and a fixing device;

the contracting device arranged on the inner wall of one side of the shell comprises a fixed pipe, a spring is arranged on the inner wall of one side, close to the shell, of the fixed pipe, an anti-falling plate is fixedly arranged at one end of the spring, a telescopic rod is sleeved inside the fixed pipe, and one end of the telescopic rod is connected with one side of the anti-falling plate in a welding mode;

install the fixing device on the top of sliding seat includes the metal base, and one side of metal base and the other end welding of telescopic link are even, and the equal fixed mounting in top both sides of metal base has the fixed plate, and one side of fixed plate all is equipped with the spout, and the fixed plate has the sliding plate in the equal sliding connection in spout department, and the bottom of sliding plate all rotates and is connected with the brake lever.

Preferably, the top of metal base is equipped with the bar recess, and the equal sliding connection in bar recess department in the top of metal base has splint, and the one side that splint kept away from each other rotates with the bottom of brake lever respectively to be connected, is equipped with heating element between the splint.

Preferably, the plate body of the sliding plate is provided with a circular through hole, the sliding plate is connected with a limiting rod in the circular through hole in a sliding mode, the side walls, close to each other, of the fixed plate are evenly provided with a plurality of limiting holes, and one end of the limiting rod is connected with the fixed plate in the limiting holes in a sliding mode.

Preferably, a base is fixedly mounted on one side, close to the fixing device, of the inner wall of the bottom end of the shell, a metal rod is arranged at the top end of the base, and an electromagnetic coil is arranged on the outer side of the metal rod.

Preferably, the top of shell evenly is equipped with a plurality of louvres, and the top inner wall of shell is close to one side fixed mounting of telescoping device and is had the motor, and the output shaft fixed mounting of motor has the rotation flabellum.

Preferably, the top sliding connection of shell has two sets of closing plates, and the both sides of shell all are equipped with vertical slide rail, and the equal sliding connection in one side of vertical slide rail has the slide rail seat, and one side of slide rail seat all rotates and is connected with the rotation connecting rod, the top of rotation connecting rod respectively with the bottom sliding connection of closing plate.

The invention has the beneficial effects that:

1. firstly, through the arrangement of a horizontal sliding rail, a sliding seat, a fixing device, a telescopic device, a motor, rotating fan blades, a base, a metal rod and an electromagnetic coil, when heating components of different specifications are fixedly clamped, the environment can be changed in time during power failure, and heat dissipation is ensured;

2. through the setting of vertical slide rail, slide rail seat, rotation connecting rod and closing plate for the inside of shell can be in inclosed state better, avoids the invasion of dust.

Compared with the existing device, the invention can fix and clamp heating components with different specifications and dissipate heat in time during power failure on one hand, and can better prevent dust for the whole device and ensure the using effect on the other hand.

Drawings

Fig. 1 is a schematic structural view of a PTC heating element power-off protection device with a good dustproof effect according to the present invention;

fig. 2 is a schematic structural view of a fixing device of the PTC heating element power-off protection device with good dust-proof effect according to the present invention;

fig. 3 is a schematic structural view of a telescopic device of the power-off protection device for the PTC heating element with a good dustproof effect.

In the figure: the device comprises a shell 1, a rotating fan blade 2, a motor 3, a sealing plate 4, a rotating connecting rod 5, a vertical sliding rail 6, a sliding rail seat 7, a contraction device 8, a horizontal sliding rail 9, a fixing device 10, a sliding seat 11, a base 12, an electromagnetic coil 13, a metal rod 14, a fixed plate 15, a sliding plate 16, a limiting rod 17, a brake rod 18, a clamping plate 19, a heating component 20, a metal seat 21, a spring 22, a fixed tube 23, a fall-off prevention plate 24 and a telescopic rod 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a PTC heating element power-off protection device with good dustproof effect comprises a housing 1, a horizontal sliding rail 9 is arranged on the inner wall of the bottom end of the housing 1, a sliding seat 11 is connected to the top end of the horizontal sliding rail 9 in a sliding manner, and a contraction device 8 and a fixing device 10 are further included; the contraction device 8 arranged on the inner wall of one side of the shell 1 comprises a fixed pipe 23, a spring 22 is arranged on the inner wall of one side, close to the shell 1, of the fixed pipe 23, one end of the spring 22 is fixedly provided with an anti-falling plate 24, a telescopic rod 25 is sleeved inside the fixed pipe 23, and one end of the telescopic rod 25 is connected with one side of the anti-falling plate 24 in a welding mode; the fixing device 10 installed on the top end of the sliding seat 11 comprises a metal seat 21, one side of the metal seat 21 is connected with the other end of the telescopic rod 25 in a welding mode, fixing plates 15 are fixedly installed on two sides of the top end of the metal seat 21, sliding grooves are formed in one sides of the fixing plates 15, sliding plates 16 are connected to the sliding grooves 15 in a sliding mode, brake rods 18 are connected to the bottom ends of the sliding plates 16 in a rotating mode, strip-shaped grooves are formed in the top end of the metal seat 21, clamping plates 19 are connected to the top end of the metal seat 21 in the strip-shaped grooves in a sliding mode, the sides, far away from each other, of the clamping plates 19 are connected with the bottom ends of the brake rods 18 in a rotating mode respectively, heating assemblies 20 are arranged among the clamping plates 19, circular through holes are formed in plate bodies of the sliding plates 16, limiting rods 17 are connected to the circular through, one side fixed mounting that the bottom inner wall of shell 1 is close to fixing device 10 has base 12, the top of base 12 is equipped with metal pole 14, the outside of metal pole 14 is equipped with solenoid 13, the top of shell 1 evenly is equipped with a plurality of louvres, and one side fixed mounting that the top inner wall of shell 1 is close to telescoping device has motor 3, motor 3's output shaft fixed mounting has rotation flabellum 2, the top sliding connection of shell 1 has two sets of closing plates 4, the both sides of shell 1 all are equipped with vertical slide rail 6, the equal sliding connection in one side of vertical slide rail 6 has slide rail seat 7, one side of slide rail seat 7 all rotates and is connected with rotation connecting rod 5, the top of rotation connecting rod 5 respectively with closing plate 4's bottom sliding.

The working process is as follows: firstly, when in use, the sliding plate 16 is slid to enable the brake lever 18 to deflect, so that the clamping plate 19 moves oppositely, the heating component 20 is clamped and fixed, then when the electromagnetic coil 13 is electrified, the metal base 21 is horizontally moved under the combined action of the electromagnetic coil 13 and the metal rod 14, so that the fixing device 10 is close to the base, once the electromagnetic coil 13 and the metal rod 14 are powered off, a magnetic field is not generated between the electromagnetic coil 13 and the metal rod 14, so that the telescopic rod 25 drives the fixing device 10 to move along the horizontal direction under the action of the spring 22, and finally the fixing device moves to the position below the motor 3, the motor 3 drives the rotating fan blades 2 to rotate at the moment to dissipate heat of the heating component 20, and in the heat dissipation process, the rotating connecting rod 5 deflects by sliding the sliding rail seat 7 upwards, so that the sealing plate 4 slides, so that the top end of the shell 1 can, so that the heat dissipation effect is better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a dustproof effectual PTC heating element power-off protection device, includes shell (1), and the bottom inner wall of shell (1) is equipped with horizontal slide rail (9), and the top sliding connection of horizontal slide rail (9) has sliding seat (11), its characterized in that:

also comprises a contraction device (8) and a fixing device (10);

the telescopic device (8) installed on the inner wall of one side of the shell (1) comprises a fixed pipe (23), a spring (22) is arranged on the inner wall of one side, close to the shell (1), of the fixed pipe (23), one end of the spring (22) is fixedly provided with an anti-falling plate (24), a telescopic rod (25) is sleeved inside the fixed pipe (23), and one end of the telescopic rod (25) is connected with one side of the anti-falling plate (24) in a welding mode;

the fixing device (10) installed at the top end of the sliding seat (11) comprises a metal seat (21), one side of the metal seat (21) is connected with the other end of the telescopic rod (25) in a welding mode, fixing plates (15) are fixedly installed on two sides of the top end of the metal seat (21), sliding grooves are formed in one side of each fixing plate (15), sliding plates (16) are connected to the positions, at the sliding grooves, of the fixing plates (15) in a sliding mode, and brake rods (18) are rotatably connected to the bottom ends of the sliding plates (16);

the top end of the metal seat (21) is provided with a strip-shaped groove, the top end of the metal seat (21) is connected with clamping plates (19) at the strip-shaped groove in a sliding manner, one sides, far away from each other, of the clamping plates (19) are respectively connected with the bottom end of the brake rod (18) in a rotating manner, and a heating assembly (20) is arranged between the clamping plates (19);

a base (12) is fixedly arranged on one side of the inner wall of the bottom end of the shell (1) close to the fixing device (10), a metal rod (14) is arranged at the top end of the base (12), an electromagnetic coil (13) is arranged on the outer side of the metal rod (14), a plurality of heat dissipation holes are uniformly formed in the top end of the shell (1), and one side of the inner wall of the top end of the shell (1) close to the telescopic device is fixedly provided with an electric motor (3), the output shaft of the electric motor (3) is fixedly provided with a rotating fan blade (2), the top sliding connection of shell (1) has two sets of closing plates (4), and the both sides of shell (1) all are equipped with vertical slide rail (6), and the equal sliding connection in one side of vertical slide rail (6) has slide rail seat (7), and one side of slide rail seat (7) all rotates and is connected with rotation connecting rod (5), and the top of rotation connecting rod (5) respectively with the bottom sliding connection of closing plate (4).

2. A PTC heating element power-off protection device with good dust-proof effect according to claim 1, wherein the sliding plate (16) has a circular through hole, the sliding plate (16) has a limiting rod (17) slidably connected to the circular through hole, the side walls of the fixed plate (15) close to each other have a plurality of limiting holes, and one end of the limiting rod (17) is slidably connected to the fixed plate (15) at the limiting holes.