CN211368067U

CN211368067U - Safety protection device

Info

Publication number: CN211368067U
Application number: CN201921873433.2U
Authority: CN
Inventors: 宫超军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-08-28
Anticipated expiration: 2029-11-01

Abstract

The utility model provides a safety 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, safety device includes a disconnection switch subassembly that sets up in the host computer, set up the first magnetic part of disconnection switch subassembly one side and set up the second magnetic part on the protection casing, when the protection casing is installed on the host computer, the closure of disconnection switch subassembly is realized with second magnetic part interact to first magnetic part, when the protection casing is dismantled from the host computer, disconnection state is resumeed to the disconnection switch subassembly, disconnection switch subassembly and drive arrangement electric connection. The utility model discloses simple structure, convenient to use, safety device set up and need not the trompil and need not to connect the setting, from structural the exposing of safety device outside equipment and fragile, and thereby do not set up safety device and destroy the inside leakproofness of equipment because of needs trompil for equipment has better waterproof performance.

Description

Safety protection device

Technical Field

The utility model relates to a safety 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. The protective device is relatively complex in design, structure and production process, and the push switch is exposed outside and is easily damaged, for example, when the electric appliance is cleaned by water, the water directly contacts with the push switch, so that the push switch is easily damaged. 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.

SUMMERY OF THE UTILITY MODEL

For overcoming the defects of the prior art, the embodiment of the utility model provides a safety device, a structure is simple, high durability and convenient use are achieved, make the circuit breaker subassembly closed through magnetic material interact when the protection casing is installed on the host computer, circuit breaker device resumes the state of opening circuit when the protection casing is dismantled from the host computer, safety device sets up and need not the trompil and need not to connect the setting, it exposes outside equipment and vulnerable damage to have fundamentally followed the safety device, thereby it sets up the inside leakproofness of safety device destruction equipment not because of needs trompil, thereby make equipment have better waterproof performance.

In order to achieve the above object, a safety protection device is provided, the safety protection device is arranged on equipment, the equipment comprises a host and a protective cover detachably arranged on the host, a driving device is arranged in the host, the safety protection device comprises a circuit breaker component arranged in the host, a first magnetic part arranged on one side of the circuit breaker component and a second magnetic part arranged on the protective cover, when the protective cover is arranged on the host, the first magnetic part and the second magnetic part interact to realize the closing of the circuit breaker component, when the protective cover is detached from the host, the circuit breaker component recovers an off state, and the circuit breaker component is electrically connected with the driving device.

Preferably, the polarities of the two poles close to the first magnetic part and the second magnetic part are the same, and when the protective cover is installed on the main machine, the repulsive force between the first magnetic part and the second magnetic part pushes one side of the disconnection switch assembly to close the disconnection switch assembly.

Preferably, the safety protection device further comprises a closing member for pushing the two ends of the circuit breaker assembly to be closed, and the first magnetic member is arranged at one end of the closing member far away from the circuit breaker assembly.

Preferably, the closing member is rod-shaped, the main machine is provided with a sliding groove, one end of the sliding groove, which is close to the protective cover, is closed, and the closing member and the first magnetic member are arranged in the sliding groove in a sliding mode.

Preferably, the polarities of the two poles close to the first magnetic part and the second magnetic part are different, and when the protective cover is installed on the main machine, the attraction force between the first magnetic part and the second magnetic part pulls one side of the circuit breaker assembly to close the circuit breaker assembly.

Preferably, the device is a hair bulb trimmer, the main machine comprises a shell, the protective cover is arranged on the front side of the shell, and the driving device is arranged in the shell.

Preferably, the casing further comprises a circuit assembly for controlling the driving device, the casing is internally provided with an air duct, the air duct is internally provided with a trimming knife and a fan blade device, the driving device drives the trimming knife and the fan blade device to rotate, the casing is also internally provided with a mounting part for mounting the driving device, 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 position is provided with a sealing assembly, and the sealing assembly comprises an output shaft sealing element arranged at the output shaft of the driving device and an opening sealing element arranged at the opening end of the mounting position in a sealing manner.

Preferably, the mounting member and the opening seal are both plastic, and the opening seal is ultrasonically welded at the opening of the mounting position.

Preferably, the mounting member is made of plastic, the opening sealing member is made of rubber, and the opening sealing member is bonded to the opening of the mounting position.

Preferably, the mounting member is integrally formed with the housing.

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

the utility model discloses simple structure, high durability and convenient use makes the circuit breaker subassembly closed through magnetic material interact when the protection casing is installed on the host computer, circuit breaker device resumes the state of opening circuit when the protection casing is dismantled from the host computer, safety device sets up and need not the trompil and need not to connect the setting, from structural having completely exposed safety device outside equipment and fragile damage, thereby it sets up the inside leakproofness of safety device destruction equipment not because of needs trompil for equipment has better waterproof performance. Meanwhile, the interaction force between the magnetic parts is stable and reliable, the magnetic parts are easy to produce and install, and are not easy to break, block and strain, so that the safety protection device has reliable, stable and lasting performance. The installed part has formed an installation drive arrangement's sealed chamber with seal assembly, damages drive arrangement when avoiding washing the pompon clipping machine with water, makes 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.

Drawings

Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 2;

fig. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 is a schematic view of a partially exploded view of an embodiment of the present invention after opening the rear cover;

FIG. 5 is a schematic view of a mounting member according to an embodiment of the present invention;

fig. 6 is an exploded view of another embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of another embodiment of the present invention;

FIG. 8 is a schematic view of a partially exploded view of another embodiment of the present invention after opening the rear cover;

FIG. 9 is a schematic view of a mounting member according to another embodiment of the present invention;

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 to 2, a safety protection device is arranged on an apparatus, the apparatus includes a host and a protection cover 13 detachably arranged on the host, a driving device 2 is arranged in the host, the safety protection device includes a circuit breaker assembly 81 arranged in the host, a first magnetic member 83 arranged on one side of the circuit breaker assembly 81 and a second magnetic member 84 arranged on the protection cover 13, when the protection cover 13 is installed on the host, the first magnetic member 83 interacts with the second magnetic member 84 to close the circuit breaker assembly 81, when the protection cover 13 is detached from the host, the circuit breaker assembly 81 is restored to an open state, and the circuit breaker assembly 81 is electrically connected with the driving device 2. According to actual conditions, the first magnetic member 83 and the second magnetic member 84 can be made of different materials and have different shapes, and preferably, the first magnetic member 83 and the second magnetic member 84 are made of permanent magnets, so that the permanent spectrum is stable, and the installation and the use are simple.

Referring to fig. 1 to 2, as a first embodiment, the first magnetic member 83 and the second magnetic member 84 have the same polarity of two adjacent poles, which means that a repulsive force is generated when the two adjacent poles are adjacent to each other, for example, an N pole or an S pole, when the protection cover 13 is mounted on the main body, the repulsive force between the first magnetic member 83 and the second magnetic member 84 pushes one side of the disconnecting switch assembly 81 so that the disconnecting switch assembly 81 is closed. Preferably, the safety protection device further comprises a closing member 82 for pushing the two ends of the circuit breaker assembly 81 to close, the first magnetic member 83 is arranged at one end of the closing member 82 far away from the circuit breaker assembly 81, the closing member 82 is rod-shaped, the main machine is provided with a sliding groove, one end of the sliding groove close to the protection cover 13 is closed, and the closing member 82 and the first magnetic member 83 are arranged in the sliding groove in a sliding manner.

In the second embodiment, the two adjacent poles of the first magnetic member 83 and the second magnetic member 84 have different polarities, where the different polarities means that the two adjacent poles generate attraction forces when they are close to each other, for example, one is an N pole and the other is an S pole, and when the protection cover 13 is mounted on the main body, the attraction force between the first magnetic member 83 and the second magnetic member 84 pulls one side of the disconnecting switch assembly 81 to close the disconnecting switch assembly 81.

The utility model discloses simple structure, high durability and convenient use, it makes the circuit breaker subassembly 81 closed to pass through magnetic material interact when protection casing 13 is installed on the host computer, circuit breaker device resumes the state of opening circuit when protection casing 13 is dismantled from the host computer, safety device sets up and need not the trompil and need not to connect the setting, from structural all exposed outside equipment of safety device and easily damaged, thereby it sets up the inside leakproofness of safety device destruction equipment not because of needs trompil, thereby equipment has better waterproof performance.

The following describes in detail the novel salient benefits of the present invention in an embodiment of a safety protection device, i.e. the device is a hair bulb trimmer, the main unit includes a housing 11, a protective cover 13 is disposed on the front side of the housing 11, and the driving device 2 is disposed in the housing 11. The casing 11 is internally provided with a circuit assembly for controlling the driving device 2, the casing 11 is internally provided with an air duct 15, the air duct 15 is internally provided with a trimming blade 53 and a wind blade device, the driving device 2 drives the trimming blade 53 and the wind blade device to rotate, the casing 11 is also internally provided with a mounting part 31 for mounting the driving device 2, the mounting part 31 is internally provided with a mounting position 32 for mounting the driving device 2, the mounting position 32 is provided with an opening, a sealing assembly is arranged at the mounting position 32, and the sealing assembly comprises an output shaft sealing element arranged at the output shaft of the driving device 2 and an opening sealing element 41 arranged at the opening end of the mounting position 32 in a. According to the actual situation, the circuit components can be arranged at different places, the air duct 15 can be in various shapes, the fan blade devices can be arranged at 1 or more than one, and can be arranged at different positions, the mounting piece 31 can be in different shapes, can be arranged at different places, adopts different mounting modes, and has different opening shapes of the mounting piece 31, and accordingly the sealing component is matched with the mounting piece 31, and changes along with the change of the mounting piece 31. Preferably, a housing cavity for housing the circuit assembly is provided on the housing 11, the housing cavity is communicated with the mounting location 32, and the communication position is located between the mounting component 31 and the sealing component, the driving device 2 is electrically connected with the circuit assembly through the communicated channel, a detachable protective cover 13 is provided on the front side of the trimming blade 53, a safety protection device is provided on the housing 11, the safety protection device includes a circuit breaker assembly 81 electrically connected with the driving device 2, a closing component 82 for pushing the two ends of the circuit breaker assembly 81 to be closed, a first magnetic component 83 provided at one end of the closing component 82 far away from the circuit breaker assembly 81, and a second magnetic component 84 provided on the protective cover 13, and the polarities of the two poles of the first magnetic component 83 and the second magnetic component 84 close to each other are the same (i.e. both are N poles or both are S poles).

The specific embodiment of the hair bulb trimmer is as follows:

referring to fig. 1-5, as an embodiment, a pompon trimmer, the housing 11 further includes a circuit component for controlling the driving device 2, the housing 11 is provided with an air duct 15, the air duct 15 is provided with a trimming blade 53 and a wind blade device, the driving device 2 drives the trimming blade 53 and the wind blade device to rotate, the housing 11 is further provided with a mounting component 31 for mounting the driving device 2, the mounting component 31 is provided with a mounting position 32 for mounting the driving device 2, the mounting position 32 has an opening, a sealing component is provided at the mounting position 32, the sealing component includes an output shaft sealing member provided at the output shaft of the driving device 2 and an opening sealing member 41 hermetically provided at the opening end of the mounting position 32, the mounting component 31 is integrally formed with the housing 11, the lower side of the mounting component 31 is integrally connected with the inner side of the housing 11, a containing cavity is provided at the lower side of, the connection between the accommodating cavity and the mounting member 31 is located below the mounting member 31, the front side of the driving device 2 is provided with a front output shaft, the rear side of the driving device is provided with a rear output shaft, and the mounting member 31 is preferably made of plastic. When the opening sealing member 41 is made of plastic, the opening sealing member 41 is welded at the opening of the mounting position 32 by ultrasonic welding, and the output shaft sealing member comprises a rear output shaft sealing member 42 arranged on the rear output shaft and a front output shaft sealing member 43 arranged on the front output shaft; when the opening sealing member 41 is made of rubber, the opening sealing member 41 is bonded to the opening of the mounting position 32, the output shaft sealing member includes a rear output shaft sealing member 42 disposed on the rear output shaft and a front output shaft sealing member 43 disposed on the front output shaft, and the rear output shaft sealing member 42 and the opening sealing member 41 are integrally formed, in which case the opening sealing member 41 is preferably made of plastic. Furthermore, a rear cover 12 is arranged on the rear side of the casing 11, the rear cover 12 and the casing 11 form a scrap storage cavity 16, the scrap storage cavity 16 is communicated with the air duct 15, the blade device comprises a front blade 51 arranged on the front output shaft and a front blade 52 arranged on the rear output shaft, the opening sealing piece 41 and the front blade 52 are arranged in the scrap storage cavity 16, the opening sealing piece 41 and the front blade 52 are sleeved with a shielding cover 7, a shielding hole is arranged on the side surface of the shielding cover, an air outlet is arranged on the rear side of the shielding cover 7, the shielding cover 7 and the shielding hole block the scraps outside the shielding cover 7 and fall into the scrap storage cavity 16, and the front blade 52 is protected and prevented from blocking the air outlet and escaping from the air outlet to enter the air. In addition, the second magnetic part 84 of the safety protection device is arranged on the protective cover 13, the first magnetic part 83 and the closing part 82 are arranged in a blind hole of the shell 11, the open end of the blind hole is arranged at the place where the mounting position 32 is communicated with the accommodating cavity, meanwhile, the accommodating cavity is in a slender column shape, the appearance of the accommodating cavity is in a slender handle 14 shape, the handle 14 is in sealing connection with the shell 11 through interference fit, the slender handle 14 is beneficial to a user to hold the hair bulb trimmer, and even though the other end of the handle 14 is provided with an opening, water can be prevented from entering the mounting position 32 and the accommodating cavity during washing. The front end of the opening sealing part 41 is provided with the annular partition plate 6, the shape of the partition plate 6 can be changed according to actual conditions, and therefore even if the rear cover 12 is disassembled, only the neat air channel 15 can be seen, and the attractiveness and the user experience of the lint picker are improved.

Referring to fig. 6-9, as another embodiment, a lint picker, further including a circuit component for controlling the driving device 2 in the housing 11, an air duct 15 is disposed in the housing 11, a trimming blade 53 and a wind blade device are disposed in the air duct 15, the driving device 2 drives the trimming blade 53 and the wind blade device to rotate, a mounting member 31 for mounting the driving device 2 is further disposed in the housing 11, a mounting location 32 for mounting the driving device 2 is disposed in the mounting member 31, the mounting member 31 is in interference fit and sealed connection with the housing 11, the mounting member 31 may be in interference fit and sealed connection with the housing 11 on one side or both sides, in this embodiment, it is preferable that the rear side of the mounting member 31 is in interference fit and sealed connection with the housing 11, the mounting location 32 has an opening, a sealing component is disposed at the mounting location 32, the sealing component includes an output shaft sealing member disposed at an output shaft of the driving device 2 and an output shaft sealing 32 open end seal 41 and close fitting seal 44 between the front side of the mounting member 31 and the housing 11, a receiving chamber is provided at the lower side of the mounting member 31, the connecting part of the receiving chamber and the mounting member 31 is located below the mounting member 31, the front side of the driving device 2 is provided with a front output shaft, the rear side is provided with a rear output shaft, and the mounting member 31 is preferably made of plastic. When the opening sealing member 41 is made of plastic, the opening sealing member 41 is welded at the opening of the mounting position 32 by ultrasonic welding, and the output shaft sealing member comprises a rear output shaft sealing member 42 arranged on the rear output shaft and a front output shaft sealing member 43 arranged on the front output shaft; when the opening sealing member 41 is made of rubber, the opening sealing member 41 is adhered to the opening of the mounting position 32, the output shaft sealing member includes a rear output shaft sealing member 42 disposed on the rear output shaft and a front output shaft sealing member 43 disposed on the front output shaft, and the rear output shaft sealing member 42 and the opening sealing member 41 are integrally formed, in which the opening sealing member 41 is preferably made of rubber. Furthermore, a rear cover 12 is arranged on the rear side of the casing 11, the rear cover 12 and the casing 11 form a scrap storage cavity 16, the scrap storage cavity 16 is communicated with the air duct 15, the blade device comprises a front blade 51 arranged on the front output shaft and a front blade 52 arranged on the rear output shaft, the opening sealing piece 41 and the front blade 52 are arranged in the scrap storage cavity 16, the opening sealing piece 41 and the front blade 52 are sleeved with a shielding cover 7, a shielding hole is arranged on the side surface of the shielding cover, an air outlet is arranged on the rear side of the shielding cover 7, the shielding cover 7 and the shielding hole block the scraps outside the shielding cover 7 and fall into the scrap storage cavity 16, and the front blade 52 is protected and prevented from blocking the air outlet and escaping from the air outlet to enter the air. In addition, the second magnetic part 84 of the safety protection device is arranged on the protective cover 13, the first magnetic part 83 and the closing part 82 are arranged in a blind hole of the shell 11, the open end of the blind hole is arranged at the place where the mounting position 32 is communicated with the accommodating cavity, meanwhile, the accommodating cavity is in a slender column shape, the appearance of the accommodating cavity is in a slender handle 14 shape, the handle 14 is in sealing connection with the shell 11 through interference fit, the slender handle 14 is beneficial to a user to hold the hair bulb trimmer, and even though the other end of the handle 14 is provided with an opening, water can be prevented from entering the mounting position 32 and the accommodating cavity during washing. The front end of the isolation cover 7 is provided with the annular partition plate 6, the shape of the partition plate 6 can be changed according to actual conditions, and therefore even if the rear cover 12 is disassembled, only the neat air channel 15 can be seen, and the attractiveness and the user experience of the lint picker are improved.

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 safety protection device, its characterized in that: the protection cover is arranged on the host, the equipment comprises the host and a protection cover detachably arranged on the host, a driving device is arranged in the host, the safety protection device comprises a circuit breaker component arranged in the host, a first magnetic part arranged on one side of the circuit breaker component and a second magnetic part arranged on the protection cover, the protection cover is arranged on the host, the first magnetic part and the second magnetic part interact to realize the closing of the circuit breaker component, when the protection cover is detached from the host, the circuit breaker component recovers the off state, and the circuit breaker component is electrically connected with the driving device.

2. A safety shield apparatus as recited in claim 1, wherein: the polarities of two poles close to the first magnetic part and the second magnetic part are the same, and when the protective cover is installed on the main machine, the repulsive force between the first magnetic part and the second magnetic part pushes one side of the circuit breaker assembly to close the circuit breaker assembly.

3. A safety shield apparatus as recited in claim 2, wherein: the safety protection device further comprises a closing member for pushing the two ends of the circuit breaker assembly to be closed, and the first magnetic member is arranged at one end, far away from the circuit breaker assembly, of the closing member.

4. A safety shield apparatus as recited in claim 3, wherein: the closing part is rod-shaped, a sliding groove is formed in the main machine, one end, close to the protective cover, of the sliding groove is closed, and the closing part and the first magnetic part are arranged in the sliding groove in a sliding mode.

5. A safety shield apparatus as recited in claim 1, wherein: the polarity of two poles close to the first magnetic part and the second magnetic part is different, and when the protective cover is installed on the main machine, the attractive force between the first magnetic part and the second magnetic part pulls one side of the circuit breaker assembly to close the circuit breaker assembly.

6. A safety shield apparatus as recited in any of claims 1-5, wherein: the device is a hair bulb trimmer, the main machine comprises a shell, the protective cover is arranged on the front side of the shell, and the driving device is arranged in the shell.

7. A safety shield apparatus as recited in claim 6, wherein: still including being used for controlling drive arrangement's circuit assembly in the casing, be provided with an wind channel in the casing, be provided with pruning sword and fan blade device in the wind channel, the drive arrangement drive pruning sword and fan blade device rotate, still be provided with in the casing and be used for the installation drive arrangement's installed part, be provided with one in the installed part and be used for the installation drive arrangement's installation position, the installation position has an opening, installation position department is provided with seal assembly, seal assembly is including setting up the output shaft sealing member and the sealed setting of drive arrangement output shaft department are in the opening sealing member of installation position open end.

8. A safety shield apparatus as recited in claim 7, wherein: the mounting piece and the opening sealing piece are made of plastics, and the opening sealing piece is welded at the opening of the mounting position through ultrasonic waves.

9. A safety shield apparatus as recited in claim 7, wherein: the mounting piece is made of plastic, the opening sealing piece is made of rubber, and the opening sealing piece is bonded at the opening of the mounting position.

10. A safety shield apparatus as recited in claim 7, wherein: the mounting member is integrally formed with the housing.