CN213038038U

CN213038038U - Novel protection device

Info

Publication number: CN213038038U
Application number: CN202021544475.4U
Authority: CN
Inventors: 秦霂
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-23
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a novel protection device, the setting is on an equipment, equipment includes the host computer and can dismantle the protection casing of setting on the host computer, be provided with a drive arrangement in the host computer, novel protection device includes a inductive switch subassembly that sets up between host computer and protection casing, inductive switch subassembly and drive arrangement electric connection, the inductive switch subassembly is including setting up the first inductive component on the protection casing and setting up the second inductive component on the host computer, when the protection casing is installed on the host computer, the first signal of inductive switch subassembly output, when the protection casing pulls down from the host computer, the second signal of inductive switch subassembly output. The utility model discloses simple structure, convenient to use, the mode that the inductive switch subassembly passed through the response realizes opening the control that stops drive arrangement, and the reaction is sensitive accurate, and long service life is difficult for ageing, need not the trompil and need not to connect the setting, has completely exposed protector outside equipment from structural, avoids the protector harm.

Description

Novel protection device

Technical Field

The utility model relates to a novel protection device.

Background

In daily life, various electric appliances such as an electric fan, an electric shaver, a hair bulb trimmer and the like are used, and the electric appliances have the following common characteristics: the inside drive arrangement that is provided with of electrical apparatus, drive arrangement drive high-speed rotation such as fan blade or blade, in order to ensure user's safety, often can be provided with the protection casing in the electrical apparatus outside, make high-speed rotatory part and user physical isolation. In these appliances, some appliances require the shield to be detachable based on design concepts or functional requirements (e.g., cleaning, replacing parts), etc. In order to ensure the safety of users, these appliances are provided with a protective device, i.e. the operation of the driving device is stopped immediately when the protective cover is removed, i.e. the driving device is required to be in an open circuit state immediately.

In order to realize the above functions, a protection device is disposed between the protective cover and the main body of the electric appliance, for example, a push switch is projected from the main body, when the protective cover is mounted on the main body, the protective cover moves the push switch inward to make the driving device in a closed circuit state, and when the protective cover is detached from the main body, the push switch returns to an open circuit state to make the driving device in an open circuit state.

However, the above-mentioned protection device is not only relatively complicated in design, structure and production process, but also easily damaged due to the fact that the push switch is exposed, for example, when the electric appliance is washed with water, the push switch is easily damaged due to the direct contact of the water with the push switch. Meanwhile, because the push switch is exposed, the interior of the host is not in a sealed state, and water permeates into the interior of the host to damage electronic devices in the host if the host is washed by water. In addition, the press switch is a mechanical control switch, and is easy to age or clamp a shell in the use process, so that the press switch is insensitive to reaction or even does not react, and cannot play a good protection role.

SUMMERY OF THE UTILITY MODEL

For overcoming the defects of the prior art, the embodiment of the utility model provides a novel protective device, its simple structure, convenient to use, the mode that the inductive switch subassembly passed through the response realizes opening the control that stops drive arrangement, and the reaction is sensitive accurate, and long service life is difficult for ageing, need not the trompil and need not to connect the setting, has completely exposed protective device outside equipment from structural, avoids the protective device harm, need not destroy the inside leakproofness of equipment simultaneously for equipment has better waterproof performance.

In order to achieve the above object, a novel protection device is provided, which is arranged on a device, the device comprises a host and a protection cover detachably arranged on the host, a driving device is arranged in the host, the novel protection device comprises an inductive switch assembly arranged between the host and the protection cover, the inductive switch assembly is electrically connected with the driving device, the inductive switch assembly comprises a first inductive assembly arranged on the protection cover and a second inductive assembly arranged on the host, when the protection cover is arranged on the host, the inductive switch assembly outputs a first signal, and when the protection cover is detached from the host, the inductive switch assembly outputs a second signal.

Preferably, the first sensing assembly comprises a magnet, the number of the first sensing assemblies is at least 1, and the second sensing assembly comprises a hall element or a reed switch.

Preferably, the host comprises a power supply device, the power supply device comprises a power supply and a main control element, the positive pole of the power supply is connected with the driving device, the main control element and the positive pole of the second induction assembly, the negative pole of the power supply is connected with the main control element and the negative pole of the second induction assembly, and the main control element is connected with the negative pole of the driving device and the negative pole of the second induction assembly.

Preferably, the device is a hair bulb trimmer, the main machine comprises a housing, the driving device is arranged in the housing, the housing further comprises a circuit assembly for controlling the driving device, the housing is internally provided with the trimming blade, and the driving device drives the trimming blade to rotate.

Preferably, the casing is internally provided with a mounting part for mounting the driving device, the circuit assembly and the second sensing assembly, the mounting part and the casing are integrally formed, the mounting part is internally provided with a mounting position for mounting the driving device, the mounting position is provided with an opening, the mounting part is provided with a sealing assembly, and the sealing assembly comprises an output shaft sealing piece arranged at an output shaft of the driving device and an opening sealing piece arranged at the opening in a sealing manner.

Preferably, the host further comprises a power supply device detachably connected with the casing, the power supply device comprises a power supply, a first conductive end and a main control element, the first conductive end comprises a power supply positive end connected with the power supply positive electrode, a power supply negative end connected with the power supply negative electrode and a first control end connected with the main control element, the circuit assembly comprises a second conductive end matched with the first conductive end, the second conductive end comprises a positive connecting end connected with the power supply positive electrode, a negative connecting end connected with the power supply negative electrode and a second control end connected with the first control end, the positive connecting end is connected with the driving device and the positive electrode of the second sensing assembly, the negative connecting end is connected with the negative electrode of the second sensing assembly, and the second control end is connected with the negative electrode of the driving device and the second sensing assembly.

Preferably, the guard is a mesh cover disposed on the front side of the trimming blade.

Preferably, the housing is provided with a flock storage cavity for storing flock, and the protective cover is a flock storage cover of the flock storage cavity, and the flock storage cover is arranged on the front side, the rear side or the side surface of the housing.

Preferably, store up the bits lid and be squarely, store up and cover and be provided with 4 first response subassemblies, first response subassembly sets up respectively in 4 sides of storing up the bits lid.

Preferably, a self-locking switch assembly is arranged in the shell, a pressing assembly is arranged on the protective cover, and the pressing assembly comprises a button and a self-locking rod matched with the self-locking switch assembly.

Compared with the prior art, the utility model the advantage do:

the utility model discloses simple structure, convenient to use, the control of opening and shutting drive arrangement is realized through the mode of response to the inductive switch subassembly, and the reaction is sensitive accurate, long service life, difficult ageing, need not the trompil and need not to connect the setting, has completely exposed outside equipment from the structure protector, avoids protector harm, need not destroy the leakproofness in the equipment simultaneously for equipment has better waterproof performance; the protective cover is provided with the plurality of magnets, so that the protective cover can be arranged on the main machine at any angle, the function of the induction switch assembly can be realized, and the convenience of operation is improved; the mounting part and the sealing component form a sealing cavity for mounting the driving device, the circuit component and the second sensing component, and the driving device is prevented from being damaged when the hair bulb trimmer is washed by water, so that the utility model has a waterproof function, is easy to wash the hair bulb trimmer, keeps the cleanness and sanitation of the hair bulb trimmer, and has simple waterproof structure and convenient use; the power supply device can be separated from the shell, the power supply device can be used as a charger and can provide power for the hair bulb trimmer, and the second conductive end of the shell end is arranged in the conductive sealing piece, so that the hair bulb trimmer host can still be washed after the power supply device is detached; inductive switch assemblies are arranged between the mesh enclosure and the host machine and between the scrap storage cover and the host machine, so that the driving device can be stopped when the mesh enclosure or the scrap storage cover on the host machine is detached from the host machine, and the safety of equipment is improved; the protection casing is dismantled with the host computer and is adopted the cooperation of auto-lock switch subassembly and pressing the subassembly with the mounting means, only needs to realize the installation and the dismantlement of protection casing through pressing the button, has improved the convenience of using and the stability and the reliability of protection casing installation.

Drawings

FIG. 1 is a schematic sectional view of the hair bulb trimmer according to the present invention;

fig. 2 is a schematic view of an angle partially exploded structure of an embodiment of the present invention;

fig. 3 is a partially exploded view of another embodiment of the present invention;

FIG. 4 is a schematic view of a partially exploded structure of a second shield according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a partially exploded structure of a housing of a hair bulb trimmer according to an embodiment of the present invention;

FIG. 6 is a schematic view of the other angle of the housing of the lint picker according to the embodiment of the present invention;

FIG. 7 is a schematic view of an angle of the power supply device of the lint picker according to the embodiment of the present invention;

FIG. 8 is a schematic structural view of the power supply device of the lint picker at another angle according to the embodiment of the present invention;

fig. 9 is a schematic circuit diagram of a circuit assembly according to an embodiment of the present invention;

fig. 10 is a schematic circuit diagram of a power supply device according to an embodiment of the present invention;

the utility model discloses a reference number explains: the scrap-collecting device comprises a first sensing assembly 11, a second sensing assembly 12, a shell 21, a driving device 22, a trimming cutter 23, a mesh enclosure 31, a scrap storage cavity 32, a scrap storage cover 33, a self-locking switch assembly 41, a button 42, a self-locking rod 43, a mounting piece 51, a mounting position 52, an opening 53, an opening sealing piece 54, a power supply device 6, a first conductive end 61, a charging output port 62, a charging input port 63, a power supply 64, a control switch 65 and a second conductive end 71.

Detailed Description

In the description of the present invention, the terms "upper", "lower", "front" and "rear" indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific position, and thus, should not be construed as limiting the present invention.

The following describes the present invention with reference to the accompanying drawings.

Referring to fig. 1, a novel protection device is arranged on a device, the device comprises a main machine and a protection cover detachably arranged on the main machine, a driving device 22 is arranged in the main machine, the novel protection device comprises an inductive switch component arranged between the main machine and the protection cover, the inductive switch component is electrically connected with the driving device 22, the inductive switch component comprises a first inductive component 11 arranged on the protection cover and a second inductive component 12 arranged on the main machine, as a preferred scheme, the main machine comprises a power supply device 6, the power supply device 6 comprises a power supply 64 and a main control element, the positive pole of the power supply 64 is connected with the driving device 22, the main control element and the positive pole of the second sensing assembly 12, the negative terminal of the power source 64 is connected to the main control element and the negative terminal of the second inductive component 12, the main control element is connected to the negative pole of the driving device 22 and to the second inductive component 12.

When the protective cover is installed on the main machine, the induction switch assembly outputs a first signal, the main control element receives the first signal, the driving device 22 is in a state of being capable of being started and closed, when the protective cover is detached from the main machine, the induction switch assembly outputs a second signal, the main control element receives the second signal, and if the driving device 22 rotates before, the driving device 22 immediately stops rotating and cannot be started until the main control element receives the first signal again; if the driving device 22 is in the stopped state before, the driving device 22 may not be started until the main control element receives the first signal again. Through the control of the inductive switch assembly, when the protective cover is detached, the driving device 22 keeps the stopped state, and when the protective cover is detached, the driving device 22 is prevented from rotating when not isolated from the outside, and the user is prevented from being injured.

As a preferred scheme, the first sensing assembly 11 includes a magnet, and according to an actual situation, the number of the first sensing assembly 11 may be 1, or may be multiple, for example, when the protective cover is square, the number of the first sensing assembly 11 may be 4, and each side of the protective cover is provided with 1 first sensing assembly 11, so that the protective cover can be installed on the host machine at any angle to achieve the function of the sensing switch assembly, thereby improving the convenience of operation, and the second sensing assembly 12 includes a hall element or a reed pipe. The utility model discloses simple structure, convenient to use, the inductive switch subassembly realizes the closure and the disconnection of circuit through the mode of response, and the reaction is sensitive accurate, long service life, and difficult ageing need not the trompil and need not to connect the setting, has exposed outside equipment from structural protector, avoids the protector harm, need not destroy the inside leakproofness of equipment simultaneously for equipment has better waterproof performance.

Referring to fig. 1-3, fig. 1-3 show an embodiment of the present invention, in which the main machine includes a housing 21, a driving device 22 is disposed in the housing 21, the housing 21 further includes a circuit assembly for controlling the driving device 22, a trimming blade 23 is disposed in the housing 21, and the driving device 22 drives the trimming blade 23 to rotate.

In the first embodiment, the guard is a mesh enclosure 31 provided in front of the trimming blade 23, the mesh enclosure 31 serves to isolate the trimming blade 23 from the outside, and when the mesh enclosure 31 is removed, the inductive switch assembly is in an off state, the driving device 22 stops operating, and the trimming blade 23 stops rotating, thereby preventing the trimming blade 23 from injuring a user, clothes, and the like.

In the second embodiment, the housing 21 is provided with a dust storage chamber 32 for storing the flock, the shield is a dust storage cover 33 of the dust storage chamber 32, and the dust storage cover 33 is arranged on the front side or the rear side or the side of the housing 21. The lint storage cover 33 has the function of isolating lint, when the lint storage cover 33 is detached, the inductive switch assembly is in an open circuit state, the driving device 22 stops running, the trimming knife 23 stops rotating, the lint trimmer can be prevented from continuously running, the lint can be prevented from flying out, and meanwhile damage to a user, clothes and the like caused by the lint trimmer can be avoided.

As a preferable scheme, the first embodiment and the second embodiment are applied to the same device, and inductive switch components are disposed between the mesh enclosure 31 and the host, and between the scrap storage cover 33 and the host, so that the driving device 22 can be stopped when the mesh enclosure 31 or the scrap storage cover 33 on the host is detached from the host, thereby improving the safety of the device.

Referring to fig. 2-3, as a preferred scheme, a self-locking switch assembly 41 is arranged in the housing 21, a pressing assembly is arranged on the protective cover, the pressing assembly comprises a button 42 and a self-locking rod 43 matched with the self-locking switch assembly 41, the protective cover can be mounted and dismounted only by pressing the button 42, and the use convenience and the stability and reliability of mounting the protective cover are improved.

Referring to fig. 4, as a preferred scheme, the chip storage cover 33 is square, 4 first sensing assemblies 11 are arranged on the chip storage cover 33, and the first sensing assemblies 11 are respectively arranged on 4 side surfaces of the chip storage cover 33, so that the chip storage cover 33 can be installed on the host machine at any angle to realize the function of the sensing switch assembly, and the convenience of operation is improved.

Referring to fig. 5, as a preferable scheme, a mounting part 51 for mounting the driving device 22, the circuit assembly and the second sensing assembly 12 is further provided in the housing 21 of the hair bulb trimmer, the mounting part 51 is integrally formed with the housing 21, a mounting position 52 for mounting the driving device 22 is provided in the mounting part 51, the mounting position 52 has an opening 53, the mounting part 51 is provided with a sealing assembly, and the sealing assembly comprises an output shaft sealing member (not shown in the figure) provided at the output shaft of the driving device 22 and an opening sealing member 54 hermetically provided at the opening 53. As preferred scheme, installed part 51 and opening sealing member 54 are plastics, and opening sealing member 54 passes through ultrasonic bonding in the opening 53 department of installation position 52, and installed part 51 and seal assembly have formed the sealed chamber of an installation drive arrangement 22, circuit module and second response subassembly 12, damage drive arrangement 22 when avoiding washing the pompon clipping machine with water, make the utility model discloses have waterproof function, easily wash the pompon clipping machine, kept the clean health of pompon clipping machine, its waterproof construction is simple, convenient to use.

Referring to fig. 6-10, the main body of the hair bulb trimmer preferably further comprises a power supply unit 6 detachably connected to the housing 21, the power supply unit 6 comprises a power supply 64, a first conductive terminal 61 and a main control element, the first conductive terminal 61 comprises a positive power supply terminal connected to a positive terminal of the power supply 64, a power supply negative terminal connected to the negative terminal of the power supply 64 and a first control terminal connected to the main control element, the circuit assembly includes a second conductive terminal 71 matching the first conductive terminal 61, the second conductive terminal 71 includes a positive connection terminal connected to the power supply positive terminal, a negative connection terminal connected to the power supply negative terminal and a second control terminal connected to the first control terminal, the positive connection terminal is connected to the driving device 22 and the positive terminal of the second sensing assembly 12, the negative connection terminal is connected to the negative terminal of the second sensing assembly 12, and the second control terminal is connected to the negative terminal of the driving device 22 and the second sensing assembly 22. When the power supply unit 6 is mounted on the case 21, the positive terminal of power supply is connected to the positive connecting terminal, the negative terminal of power supply is connected to the negative connecting terminal, and the first control terminal is connected to the second control terminal.

Preferably, the power supply device 6 is further provided with a charging output port 62 and a charging input port 63, and according to actual conditions, the power supply device may be further provided with a control switch 65 for controlling the start and stop of the driving device 22, and according to actual conditions, the control switch 65 may be further configured to perform multi-gear adjustment for controlling the rotation speed of the driving device 22. More preferably, the second conductive end 71 is disposed on a conductive end sealing structure (not shown), specifically, the conductive end sealing structure may be a waterproof flexible glue, the waterproof flexible glue is provided with three sealing holes for exposing the second conductive end 71, and may also be conductive end mounting holes, and the second conductive end 71 and the conductive end mounting holes are in interference fit to achieve the waterproof purpose, so as to prevent water from permeating from the second conductive end 71 during washing to damage the internal electronic components.

Power supply unit 6 can separate with casing 21, can be when the precious use that charges, can provide power 64 for the pompon clipping machine again, and the electrically conductive end 71 setting of second of casing 21 end is in electrically conductive sealing member for still can wash after power supply unit 6 is dismantled to the pompon clipping machine host computer.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A novel protection device is characterized in that: it sets up on an equipment, equipment includes the host computer and can dismantle the protection casing of setting on the host computer, be provided with drive arrangement in the host computer, novel protector includes a setting and is in induction switch subassembly between host computer and the protection casing, induction switch subassembly with drive arrangement electric connection, induction switch subassembly is including setting up first induction subassembly and the setting on the protection casing are in second induction subassembly on the host computer, works as the protection casing is installed when on the host computer, induction switch subassembly output first signal works as the protection casing is followed when tearing down on the host computer, induction switch subassembly output second signal.

2. The novel shield apparatus of claim 1, wherein: the first sensing assembly comprises a magnet, the number of the first sensing assemblies is at least 1, and the second sensing assembly comprises a Hall element or a reed switch.

3. The novel shield apparatus of claim 1, wherein: the host computer includes a power supply unit, power supply unit includes power and main control element, the positive pole of power with drive arrangement, main control element and second response subassembly's anodal is connected, the negative pole of power with main control element and second response subassembly's negative pole are connected, the main control element with drive arrangement's negative pole and with the second response subassembly is connected.

4. A novel guard according to any one of claims 1 to 3, characterised in that: the device is a hair bulb trimmer, the main machine comprises a shell, the driving device is arranged in the shell, the shell further comprises a circuit assembly used for controlling the driving device, a trimming knife is arranged in the shell, and the driving device drives the trimming knife to rotate.

5. The novel shield apparatus of claim 4, wherein: still be provided with the installed part that is used for installing drive arrangement, circuit assembly and second response subassembly in the casing, the installed part with casing integrated into one piece, be provided with one in the installed part and be used for the installation drive arrangement's installation position, the installation position has the opening, the installed part is provided with seal assembly, seal assembly is in including setting up the output shaft sealing member and the sealed setting in drive arrangement's output shaft department the opening sealing member of opening part.

6. The novel shield apparatus of claim 4, wherein: the host machine also comprises a power supply device which is detachably connected with the shell, the power supply device comprises a power supply, a first conductive end and a main control element, the first conductive end comprises a power supply positive end connected with the positive electrode of the power supply, a power supply negative end connected with the negative electrode of the power supply and a first control end connected with the main control element, the circuit component comprises a second conductive end matched with the first conductive end, the second conductive end comprises a positive connecting end connected with the positive end of the power supply, a negative connecting end connected with the negative electrode of the power supply and a second control end connected with the first control end, the positive electrode connecting end is connected with the driving device and the positive electrode of the second induction component, the negative electrode connecting end is connected with the negative electrode of the second induction component, the second control end is connected with the negative electrode of the driving device and the second induction component.

7. The novel shield apparatus of claim 4, wherein: the protective cover is a mesh cover arranged on the front side of the pruning knife.

8. The novel shield apparatus of claim 4, wherein: the casing is provided with one and is used for saving the storage bits chamber of wool bits, the protection casing does store up the bits lid in bits chamber, it sets up to store up the bits lid the front side or rear side or the side of casing.

9. The novel shield apparatus of claim 8, further comprising: store up the bits lid and be squarely, store up the bits and cover and be provided with 4 first response subassemblies, first response subassembly sets up respectively store up 4 sides of bits lid.

10. The novel shield apparatus of claim 4, wherein: the shell is internally provided with a self-locking switch assembly, the protective cover is provided with a pressing assembly, and the pressing assembly comprises a button and a self-locking rod matched with the self-locking switch assembly.