CN219158681U - Safety door lock of household appliance and household appliance - Google Patents
Safety door lock of household appliance and household appliance Download PDFInfo
- Publication number
- CN219158681U CN219158681U CN202320099664.2U CN202320099664U CN219158681U CN 219158681 U CN219158681 U CN 219158681U CN 202320099664 U CN202320099664 U CN 202320099664U CN 219158681 U CN219158681 U CN 219158681U
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- household appliance
- safety
- hole
- safety lock
- lock
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The utility model relates to a safety door lock of a household appliance and the household appliance, comprising a safety lock, wherein the safety lock is arranged at the top of a door frame of the household appliance; the bottom at electrical apparatus door frame top is provided with the perforation, the emergency exit top position that the perforation corresponds is provided with the card hole, the safety lock includes the ejector pin, when the safety lock circular telegram, the ejector pin removes to pass the perforation and fix in the card hole, when the safety lock outage, the ejector pin removes to leave the card hole, the safety lock passes through the solenoid and is connected with the master control unit electricity, and domestic appliance is at the during operation, and the master control unit control safety lock circular telegram, and the ejector pin removal of safety lock is arranged in the card hole, makes the safety door locking, can not open the emergency exit, has solved the safety problem of domestic appliance high temperature during operation, and the door frame top at the location of safety lock is put, and the installation accuracy is high, easy operation, simple to operate, the maintenance is swift. When the work is completed, the system controls the safety lock to be powered off, and the ejector rod moves away from the clamping hole to unlock.
Description
Technical Field
The utility model relates to the technical field of safety locks, in particular to a safety door lock of a household appliance and the household appliance.
Background
The existing household appliances such as a steaming oven and a sterilizing cabinet have high working temperature in a working state, and the door can be opened at any time during working, so that users can be scalded, and potential safety hazards are caused.
Therefore, a safety door lock is needed to be locked and not unlocked during working in the existing household appliances, and potential safety hazards are eliminated.
Disclosure of Invention
The utility model aims to solve the technical problem of how to provide a safety door lock of a household appliance and the household appliance, which can lock and not open when in work, and solve the safety problem that the household appliance can open at any time when in work.
The technical scheme for solving the technical problems is as follows:
the safety door lock of the household appliance comprises a safety lock, wherein the safety lock is arranged at the top of a door frame of the household appliance; the bottom at electrical apparatus door frame top is provided with the perforation, the emergency exit top position that the perforation corresponds is provided with the card hole, the safety lock includes the ejector pin, when the safety lock circular telegram, the ejector pin removes to pass the perforation and fixedly arranges in the card hole in, when the safety lock outage, the ejector pin removes to leave the card hole.
Further, the safety lock further comprises a shell, a framework is arranged in the shell, a coil is wound on the periphery of a central shaft of the framework, a containing cavity is formed in the middle of the framework in a penetrating mode, and a telescopic structure capable of pushing the ejector rod to move is arranged in the containing cavity.
Further, the extending structure comprises a sliding rod, a spring and an iron core, wherein the sliding rod is movably arranged at one end in the accommodating cavity, the iron core is fixedly arranged at the other end of the accommodating cavity, the iron core is provided with an inner cavity, one end of the ejector rod penetrates through the inner cavity and is connected with one end of the sliding rod, the other end of the sliding rod is movably extended out of the top of the shell, the other end of the ejector rod is extended out of the bottom of the shell, and the spring is arranged at the connecting end of the sliding rod and the ejector rod and is abutted to the inner cavity of the iron core.
Further, the inner cavity of the iron core comprises a first inner cavity and a second inner cavity, the diameter of the first inner cavity is larger than that of the second inner cavity, and the spring is abutted to the first inner cavity of the iron core.
Further, the outer diameter of the middle part of the sliding rod is larger than the outer diameters of the two ends of the sliding rod.
Further, the safety lock further comprises a baffle plate, the baffle plate is fixedly arranged on the cover plate of the shell through a screw, a jacking hole is formed in the cover plate of the shell, a plate hole is formed in the position, corresponding to the jacking hole, of the baffle plate, the aperture of the plate hole is smaller than that of the jacking hole, the middle part of the sliding rod is movably abutted to the jacking hole, and the other end of the sliding rod can movably penetrate through the plate hole to extend out of the top of the shell.
Further, an extension cavity is arranged at one end of the central shaft of the framework, the extension cavity is sleeved in the top hole, and the middle part of the sliding rod is movably abutted in the extension cavity.
Further, a bottom hole is formed in the bottom of the shell, an extension cavity is formed in the second inner cavity of the iron core, the extension cavity is sleeved in the bottom hole, and the other end of the ejector rod penetrates through the extension cavity to extend out of the bottom of the shell.
Further, a first fixing part is arranged on the side face of the safety lock shell, and/or a second fixing part is arranged at the bottom of the safety lock shell.
A household appliance comprising a safety door lock of a household appliance as described above.
Compared with the prior art, the utility model has the beneficial effects that: the safety door lock of the household appliance comprises a safety lock, wherein the safety lock is arranged at the top of a door frame of the household appliance; the bottom at electrical apparatus door frame top is provided with the perforation, the emergency exit top position that the perforation corresponds is provided with the card hole, the safety lock includes the ejector pin, when the safety lock circular telegram, the ejector pin removes to pass the perforation and fix in the card hole, when the safety lock outage, the ejector pin removes to leave the card hole, the safety lock passes through the solenoid and is connected with the master control unit electricity, and domestic appliance is at the during operation, and the master control unit control safety lock circular telegram, and the ejector pin removal of safety lock is arranged in the card hole, makes the safety door locking, can not open the emergency exit, has solved the safety problem of domestic appliance high temperature during operation, and the door frame top at the location of safety lock is put, and the installation accuracy is high, easy operation, simple to operate, the maintenance is swift. When the work is finished, the system controls the safety lock to be powered off, the ejector rod moves away from the clamping hole to unlock, and the door opening and closing time of the household appliance using the safety door lock is controlled by the main control device, so that the product is safer and more intelligent.
Drawings
Fig. 1 is a sectional view of a safety door lock of a home appliance according to the present utility model;
FIG. 2 is a cross-sectional view of the safety lock of the present utility model in a power-off release state;
fig. 3 is a sectional view showing the state of the safety lock of the present utility model in the power-on release state.
In the drawings, the list of components represented by the various numbers is as follows:
1. safety lock, 11, ejector pin, 12, shell, 121, apron, 122, top hole, 123, bottom hole, 13, skeleton, 131, hold chamber, 132, extension chamber, 14, solenoid, 15, extending structure, 151, slide bar, 152, spring, 153, iron core, 154, first inner chamber, 155, second inner chamber, 156, extension chamber, 16, separation blade, 161, the lamella hole, 17, screw, 2, electrical door frame top, 21, perforation 21,3, emergency exit, 31, card hole, 4, second fixed part.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1, a safety door 3 lock of a household appliance comprises a safety lock 11, wherein the safety lock 1 is arranged at the top 2 of a door frame of the household appliance; the bottom at electrical door frame top 2 is provided with perforation 21, the emergency exit 3 top position that perforation 21 corresponds is provided with card hole 31, safety lock 1 includes ejector pin 11, when safety lock 1 circular telegram, ejector pin 11 removes and passes perforation 21 and fix in card hole 31, when safety lock 1 outage, ejector pin 11 removes and leaves card hole 31.
The safety lock 1 is electrically connected with the main control device through the coil 14, the main control device controls the safety lock 1 to be electrified when the household appliance works, the ejector rod 11 of the safety lock 1 is moved and placed in the clamping hole 31, so that the safety door 3 is locked and cannot be opened, the safety problem of the household appliance in high-temperature working is solved, the safety lock 1 is positioned at the top of the door frame, the installation accuracy is high, the operation is simple, the installation is convenient, and the maintenance is quick. When the work is finished, the system controls the safety lock 1 to be powered off, the ejector rod 11 moves away from the clamping hole 31 to unlock, and the door opening and closing time of the household appliance using the safety door 3 lock is controlled by the main control device, so that the product is safer and more intelligent.
Preferably, the safety lock 1 further comprises a housing 12, a framework 13 is arranged in the housing 12, a coil 14 is wound around the periphery of a central shaft of the framework 13, a containing cavity 131 is arranged in the middle of the framework 13 in a penetrating manner, and a telescopic structure 15 capable of pushing the ejector rod 11 to move is arranged in the containing cavity 131;
the shell 12 protects all devices in the guest, the framework 13 is used for winding the coil 14, the coil 14 is electrically connected with the main control device, when the main control device controls the household appliance to work, the coil 14 is electrified to generate magnetism at the same time, so that the telescopic structure 15 arranged in the accommodating cavity 131 moves, and the ejector rod 11 is pushed to move and be arranged in the clamping hole 31 to lock the safety door 3 of the household appliance.
Preferably, the telescopic structure 15 includes a sliding rod 151, a spring 152 and an iron core 153, wherein the sliding rod 151 is movably disposed at one end in the accommodating cavity 131, the iron core 153 is fixedly disposed at the other end of the accommodating cavity 131, the iron core 153 is provided with an inner cavity, one end of the ejector rod 11 is arranged in the inner cavity in a penetrating manner and is connected with one end of the sliding rod 151, the other end of the sliding rod 151 is movably extended out of the top of the housing 12, the other end of the ejector rod 11 is extended out of the bottom of the housing 12, and the spring 152 is disposed at the connecting end of the sliding rod 151 and the ejector rod 11 and is abutted to the inner cavity of the iron core 153;
the solenoid 14 is electrified to generate a magnetic field, so that the slide bar 151 and the iron core 153 are magnetically conducted, the attraction force is generated, the slide bar 151 moves towards the iron core 153, the ejector rod 11 connected with the slide bar 151 moves downwards to linearly move until the spring 152 is compressed and abutted to the inner cavity of the iron core 153, the ejector rod 11 also moves into the clamping hole 31 at the top of the safety door 3 and does not move, the safety door 3 is locked, at the moment, the safety door 3 is not opened, the safety lock 1 is powered off, the slide bar 151 and the iron core 153 are nonmagnetic and do not generate attraction force, the slide bar 151 and the ejector rod 11 reset under the action of the spring 152, and the safety door 3 can be opened at the moment. The working principle of the safety lock 1 is cooperatively completed, the safety lock 1 is controlled to operate by switching on and switching off, and the motion modules consist of a sliding rod 151, an iron core 153, an ejector rod 11 and a spring 152, and the motion modules accurately move in the vertical direction.
Preferably, the inner cavity of the core 153 includes a first inner cavity 154 and a second inner cavity 155, the diameter of the first inner cavity 154 is larger than that of the second inner cavity 155, and the spring 152 is abutted against the first inner cavity 154 of the core 153;
because the diameter of the first inner cavity 154 is larger than that of the second inner cavity 155, the inner diameter of the spring 152 is larger than that of the first inner diameter, and the spring 152 is abutted against the second inner cavity 155 in the telescopic state, so that the ejector rod 11 is prevented from sliding out of the shell 12 of the safety lock 1, and the locking function of the safety lock 1 is effectively realized.
Preferably, the sliding rod 151 has a central outer diameter greater than outer diameters of both ends thereof. The safety lock 1 further comprises a baffle plate 16, the baffle plate 16 is fixedly arranged on the cover plate 121 of the shell 12 through a screw 17, the cover plate 121 of the shell 12 is provided with a top hole 122, a plate hole 161 is arranged at a position of the baffle plate 16 corresponding to the top hole 122, the aperture of the plate hole 161 is smaller than that of the top hole 122, the middle part of the slide rod 151 is movably abutted in the top hole 122, and the other end of the slide rod 151 can move through the plate hole 161 to extend out of the top of the shell 12;
the outer diameter of the middle part of the sliding rod 151 is larger than that of the two ends of the sliding rod, the baffle 16 is fixedly arranged on the cover plate 121 of the shell 12 through the screw 17, the sliding rod 151 is prevented from sliding out of the shell 12, and the locking function of the safety lock 1 is effectively realized.
Preferably, an extension cavity 132 is provided at one end of the central shaft of the framework 13, the extension cavity 132 is sleeved in the top hole 122, the middle part of the sliding rod 151 is movably abutted in the extension cavity 132, and the framework 13 is fixed in the housing 12 through the cavity wall of the extension cavity 132.
Preferably, a bottom hole 123 is formed in the bottom of the housing 12, an extension cavity 156 is formed in the second inner cavity 155 of the core 153, the extension cavity 156 is sleeved in the bottom hole 123, and the other end of the ejector rod 11 extends out of the bottom of the housing 12 through the extension cavity 156; the core 153 is fixed in the accommodating chamber 131 by the inner wall of the extension chamber 156.
Preferably, a first fixing portion is provided on a side surface of the housing 12 of the safety lock 1, and/or a second fixing portion 4 is provided on a bottom of the housing 12 of the safety lock 1.
The side of the shell 12 of the safety lock 1 is provided with a first fixing part which is fixedly arranged at the side wall position of the top of the door frame. In the preferred embodiment, the second fixing portion 4 may be disposed at the bottom of the casing 12 of the safety lock 1, the second fixing portion 4 is fixedly disposed at the bottom of the door frame, and the safety lock 1 is fixed to the top of the door frame of the household appliance through the first fixing portion and/or the second fixing portion 4.
A household appliance comprising a safety door 3 lock of a household appliance as described above. The safety door 3 is locked to prevent the door from being opened at random when the household appliance works, so that potential safety hazards such as scalding users are solved.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The safety door lock of the household appliance is characterized by comprising a safety lock, wherein the safety lock is arranged at the top of a door frame of the household appliance; the bottom at electrical apparatus door frame top is provided with the perforation, the emergency exit top position that the perforation corresponds is provided with the card hole, the safety lock includes the ejector pin, when the safety lock circular telegram, the ejector pin removes to pass the perforation and fixedly arranges in the card hole in, when the safety lock outage, the ejector pin removes to leave the card hole.
2. The safety door lock of a household appliance according to claim 1, further comprising a shell, wherein a framework is arranged in the shell, a coil is wound on the periphery of a central shaft of the framework, a containing cavity is formed in the middle of the framework in a penetrating mode, and a telescopic structure capable of pushing the ejector rod to move is arranged in the containing cavity.
3. The safety door lock of a household appliance according to claim 2, wherein the telescopic structure comprises a sliding rod, a spring and an iron core, the sliding rod is movably arranged at one end in the accommodating cavity, the iron core is fixedly arranged at the other end of the accommodating cavity, the iron core is provided with an inner cavity, one end of the ejector rod penetrates through the inner cavity and is connected with one end of the sliding rod, the other end of the sliding rod movably extends out of the top of the shell, the other end of the ejector rod extends out of the bottom of the shell, and the spring is arranged at the connecting end of the sliding rod and the ejector rod and is abutted to the inner cavity of the iron core.
4. A safety door lock for a household appliance according to claim 3, wherein the inner cavity of the iron core comprises a first inner cavity and a second inner cavity, the diameter of the first inner cavity is larger than that of the second inner cavity, and the spring is abutted to the first inner cavity of the iron core.
5. The safety door lock for a home appliance according to claim 4, wherein the slide bar has a central outer diameter greater than outer diameters of both ends thereof.
6. The safety door lock of a household appliance according to claim 5, further comprising a blocking piece, wherein the blocking piece is fixedly arranged on the cover plate of the shell through a screw, a top hole is formed in the cover plate of the shell, a piece hole is formed in the blocking piece at a position corresponding to the top hole, the hole diameter of the piece hole is smaller than that of the top hole, the middle part of the sliding rod is movably abutted to the inside of the top hole, and the other end of the sliding rod can move to penetrate through the piece hole to extend out of the top of the shell.
7. The safety door lock of the household appliance according to claim 6, wherein an extension cavity is arranged at one end of the central shaft of the framework, the extension cavity is sleeved in the top hole, and the middle part of the sliding rod is movably abutted in the extension cavity.
8. The safety door lock of the household appliance according to claim 7, wherein the bottom of the outer shell is provided with a bottom hole, the second inner cavity of the iron core is provided with an extension cavity, the extension cavity is sleeved in the bottom hole, and the other end of the ejector rod penetrates through the extension cavity to extend out of the bottom of the outer shell.
9. A safety door lock for a household appliance according to any one of claims 1 to 8, wherein the safety lock housing is provided with a first fixing portion on a side surface and/or a second fixing portion on a bottom portion.
10. A household appliance, characterized by comprising a safety door lock of the household appliance as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320099664.2U CN219158681U (en) | 2023-02-02 | 2023-02-02 | Safety door lock of household appliance and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320099664.2U CN219158681U (en) | 2023-02-02 | 2023-02-02 | Safety door lock of household appliance and household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219158681U true CN219158681U (en) | 2023-06-09 |
Family
ID=86641289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320099664.2U Active CN219158681U (en) | 2023-02-02 | 2023-02-02 | Safety door lock of household appliance and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219158681U (en) |
-
2023
- 2023-02-02 CN CN202320099664.2U patent/CN219158681U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |