CN111564725A - Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid - Google Patents
Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid Download PDFInfo
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- CN111564725A CN111564725A CN202010430181.7A CN202010430181A CN111564725A CN 111564725 A CN111564725 A CN 111564725A CN 202010430181 A CN202010430181 A CN 202010430181A CN 111564725 A CN111564725 A CN 111564725A
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- China
- Prior art keywords
- fixedly connected
- wall
- device based
- usb plug
- casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
- H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6616—Structural association with built-in electrical component with built-in single component with resistor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
Abstract
The utility model provides an intelligence household electrical appliances are with preventing mistake pulling out device based on current liquid state change, relates to intelligence household electrical appliances technical field, which comprises a housin, the inner wall fixedly connected with of casing has two symmetrical electromagnets of each other, the inner wall of casing and the inboard fixedly connected with spring that is close to the electromagnet. This intelligent household electrical appliances are with preventing mistake and pull out device based on electrorheological fluids state change, cooperation through antislip strip and constant head tank is used, when USB plug and casing are pegged graft, at this moment the antislip strip can expand under the extrusion of electrorheological fluids, and the antislip strip can with the constant head tank joint, when the USB plug is inserted completely, at this moment it is electrically conductive to lead electrical pillar, make electrorheological fluids circular telegram and become solid-state, it is fixed with the joint of constant head tank to make the antislip strip, make the USB plug be in the same place with the casing relatively fixed, thereby reach the effect that prevents USB plug mistake and extract, effectively guarantee the steady transmission of electric power, the practicality of USB plug has been.
Description
Technical Field
The invention relates to the technical field of intelligent household appliances, in particular to an intelligent household appliance anti-pulling device based on state change of an electrorheological fluid.
Background
The intelligent household appliance is a household appliance product formed by introducing a microprocessor, a sensor technology and a network communication technology into household appliance equipment, has the functions of automatically sensing the space state of a house, the self state of the household appliance and the service state of the household appliance, and can automatically control and receive a control instruction of a house user in the house or in a remote place; meanwhile, the intelligent household appliance is used as a component of the intelligent home, and can be interconnected with other household appliances, homes and facilities in a house to form a system, so that the function of the intelligent home is realized.
Present electronic equipment adopts the USB socket to connect mostly, because electronic equipment's a large amount of uses, this just leads to many intelligent household electrical appliances can become the USB plug with the plug design of power connection line, effectively practice thrift area occupied, and still effectively avoided the difficult problem that power plug is difficult to peg graft, but the USB plug often can meet some problems when using, for example like USB grafting insecure, the condition that USB data line was extracted from the USB socket easily can appear often, lead to the electric power connection disconnection, make intelligent household electrical appliances disconnection work, thereby the practicality of USB interface has been reduced, and abrupt disconnection electric connection, the circuit that can cause intelligent household electrical appliances very probably is impaired, influence the result of use, and service life is reduced.
Therefore, we have provided one kind based on the change of current liquid state intelligent household electrical appliances prevent mistake and pull out the device and solve above problem, use through the cooperation of antislip strip and constant head tank, reach the effect that prevents the USB plug mistake and extract, effectively guarantee the stable transmission of electric power, improved the practicality of USB plug, use through the cooperation of resistance one and resistance two, reached hierarchical control's effect, improved the practicality, guarantee device repeatedly usable.
Disclosure of Invention
The invention adopts the following technical scheme for realizing the technical purpose: an intelligent household appliance anti-pulling-out device based on state change of electro-rheological fluid comprises a shell, wherein two electromagnets which are symmetrical to each other are fixedly connected to the inner wall of the shell, a spring is fixedly connected to the inner wall of the shell and close to the inner sides of the electromagnets, a sliding block movably connected to the inner side of the spring is fixedly connected to the inner side of the spring, a magnetic block is fixedly connected to the inner wall of the sliding block and close to the inner side of the spring, a dielectric plate I is fixedly connected to the middle part of the sliding block, a conductive post is fixedly connected to the inner side of the sliding block, an anti-slip strip is fixedly connected to the inner wall of the shell and close to the inner side of the sliding block, a positive plate I is fixedly connected to the inner wall of the shell and close to the bottom of the sliding block, a negative plate I is fixedly connected to the, the inner wall fixedly connected with of the left side of casing and two electric connection's of resistance negative plate two, the right side inner wall fixedly connected with of casing and two symmetrical positive plate two of negative plate two, the middle part of casing is pegged graft and is had the USB plug, and the inner wall fixedly connected with of USB plug has dielectric plate two, and the constant head tank of symmetry of each other is seted up in the bottom outside of USB plug.
The invention has the following beneficial effects:
1. this intelligent household electrical appliances are with preventing mistake and pull out device based on electrorheological fluids state change, cooperation through antislip strip and constant head tank is used, when USB plug and casing are pegged graft, at this moment the antislip strip can expand under the extrusion of electrorheological fluids, and the antislip strip can with the constant head tank joint, when the USB plug is inserted completely, at this moment it is electrically conductive to lead electrical pillar, make electrorheological fluids circular telegram and become solid-state, it is fixed with the joint of constant head tank to make the antislip strip, make the USB plug be in the same place with the casing relatively fixed, thereby reach the effect that prevents USB plug mistake and extract, effectively guarantee the steady transmission of electric power, the practicality of USB plug has been.
2. This intelligent household electrical appliances are with preventing mistake pulling out device based on electrorheological fluids state change, use through the cooperation of resistance one and resistance two, under the initial condition, the voltage through resistance one is greater than the maximum path voltage of resistance one, so it is in the outage state to lead electrical pillar, the voltage through resistance two is greater than the maximum path voltage of resistance two, so the electromagnet is in the outage state, and can realize the effect of the earlier inflation postcure of antislip strip through resistance one and resistance two, thereby hierarchical control's effect has been reached, the practicality is improved, guarantee device repeatedly usable.
Further, the shell is made of hard high-strength materials, the shape of the shell is cuboid, the magnetism of the inner side of the electromagnet is the same as that of the outer side of the magnetic block, and the size of the electromagnet is smaller than that of the shell.
Further, the spring is an extension spring, the diameter of the spring is smaller than that of the slider, the slider is made of a hard high-strength material and is cylindrical, the magnetic block is made of a rubidium magnet material and is rectangular.
Furthermore, the size of the first dielectric plate is smaller than that of the sliding block, the size of the first dielectric plate is the same as that of the first positive plate, the conductive posts are made of materials with good conductivity and are cylindrical, the anti-slip strip is made of soft rubber materials and is cuboid, and electrorheological fluid is movably connected to the inner side of the anti-slip strip.
Further, the first resistor is a voltage dependent resistor, the maximum path voltage of the first resistor is larger than the minimum circuit voltage of the first negative plate, and the second resistor is a voltage dependent resistor, the maximum path voltage of the second resistor is larger than the minimum circuit voltage of the second negative plate.
The second positive electrode plate and the second negative electrode plate are the same in size, the second positive electrode plate and the second dielectric plate are the same in size, the USB plug is made of a hard high-strength material, and the USB plug is rectangular in shape.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is a schematic view of a cleat clamping structure of the present invention;
FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.
In the figure: 1. a housing; 2. an electromagnet; 3. a spring; 4. a slider; 5. a magnetic block; 6. a first dielectric plate; 7. a conductive post; 8. anti-slip strips; 9. a first positive plate; 10. a first negative plate; 11. a first resistor; 12. a second resistor; 13. a negative plate II; 14. a second positive plate; 15. a USB plug; 16. a second dielectric plate; 17. and (6) positioning a groove.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an intelligent household appliance anti-pulling-out prevention device based on state change of an electrorheological fluid comprises a housing 1, wherein the housing 1 plays a role in fixing each component, the housing 1 is made of a hard high-strength material and is rectangular, the inner side of an electromagnet 2 has the same magnetism as that of a magnetic block 5, the size of the electromagnet 2 is smaller than that of the housing 1, two electromagnets 2 which are symmetrical to each other are fixedly connected to the inner wall of the housing 1, the electromagnet 2 plays a role in magnetic transmission, a spring 3 is fixedly connected to the inner wall of the housing 1 and close to the inner side of the electromagnet 2, the spring 3 plays a role in outwardly contracting the sliding block 4, the spring 3 is an extension spring, the diameter of the spring 3 is smaller than that of the sliding block 4, the sliding block 4 is made of a hard high-strength material, the sliding block 4 is cylindrical magnetic block, the sliding block 5 is made of a rubidium magnet material and the magnetic, the inner side of the spring 3 is fixedly connected with a sliding block 4 movably connected with the inner wall of the shell 1, the inner side of the inner wall of the sliding block 4 close to the spring 3 is fixedly connected with a magnetic block 5, the magnetic block 5 plays a role in magnetic transmission, the middle part of the sliding block 4 is fixedly connected with a dielectric plate I6, and the dielectric plate I6 plays a role in changing the voltage of a circuit passing through a resistor I11.
The size of the dielectric plate I6 is smaller than that of the sliding block 4, the size of the dielectric plate I6 is the same as that of the positive plate I9, the material of the conductive column 7 is good in conductivity, the shape of the conductive column 7 is cylindrical, the material of the anti-slip strip 8 is soft rubber material, the shape of the anti-slip strip 8 is cuboid, the inner side of the anti-slip strip 8 is movably connected with electrorheological fluid, the conductive column 7 is fixedly connected with the inner side of the sliding block 4, the conductive column 7 plays a role in changing the state of the electrorheological fluid, the anti-slip strip 8 is fixedly connected with the inner wall of the shell 1 and the inner side close to the sliding block 4, the anti-slip strip 8 plays a role in facilitating deformation and relatively fixing the USB plug 15 and the shell 1, the positive plate I9 is fixedly connected with the inner wall of the shell 1 and the top close to the sliding block 4, the negative plate I10 is fixedly connected with the, the inner wall of the shell 1 is fixedly connected with a first resistor 11 electrically connected with the first negative plate 10, the first resistor 11 plays a role in controlling the point-path communication condition of the conductive column 7, the first resistor 11 is a voltage dependent resistor, and the maximum path voltage of the first resistor 11 is greater than the minimum circuit voltage of the first negative plate 10.
The second resistor 12 is a voltage dependent resistor and the maximum path voltage of the second resistor 12 is greater than the minimum circuit voltage passing through the second negative plate 13, the second resistor 12 electrically connected with the electromagnet 2 is fixedly connected to the inner wall of the left side of the casing 1, the second resistor 12 plays a role in controlling the circuit communication condition of the electromagnet 2, the second negative plate 13 electrically connected with the second resistor 12 is fixedly connected to the inner wall of the left side of the casing 1, the second positive plate 14 symmetrical to the second negative plate 13 is fixedly connected to the inner wall of the right side of the casing 1, the second positive plate 14 and the second negative plate 13 play a role in changing the circuit size together, the size of the second positive plate 14 is the same as that of the second positive plate 14 and the size of the second dielectric plate 16 are the same as that of the second positive plate, the size of the USB plug 15 is a hard high-strength material, the shape of the USB plug 15 is a cuboid, the USB, the inner wall of the USB plug 15 is fixedly connected with a second dielectric plate 16, the second dielectric plate 16 plays a role of changing the voltage of the circuit, and the outer side of the bottom of the USB plug 15 is provided with positioning grooves 17 which are symmetrical to each other.
The working principle is as follows: as shown in fig. 1, in an initial state, the USB plug 15 is not plugged into the housing 1, and the slider 4 is shrunk outward by the spring 3, and the relative areas of the first positive electrode plate 9 and the first negative electrode plate 10 are large, the voltage across the first negative electrode plate 10 is greater than the maximum on-state voltage across the first resistor 11, so that the conductive post 7 is in the power-off state, and the relative areas of the second positive electrode plate 14 and the second negative electrode plate 13 are large, the voltage across the second negative electrode plate 13 is greater than the maximum on-state voltage across the second resistor 12, so that the second resistor 12 is in the power-off state, so that the electromagnet 2 is in the power-off state, and the;
when the USB plug 15 and the shell 1 are completely inserted, the relative area of the second positive plate 14 and the second negative plate 13 is reduced to the minimum by the second dielectric plate 16, at this time, the voltage of the second negative plate 13 is smaller than the maximum path voltage of the second resistor 12, so that the electromagnet 2 is in a path state and generates the same magnetism as the outside of the magnetic block 5, the magnetic block 5 moves inwards under the action of repulsive magnetic force and drives the slider 4 to move inwards together, the slider 4 squeezes the electrorheological fluid inwards to expand the anti-slip strip 8 and clamp the positioning groove 17, when the slider 4 moves to the innermost side, the relative area of the first positive plate 9 and the first negative plate 10 is reduced to the minimum by the first dielectric plate 6, at this time, the voltage passing through the first negative plate 10 is smaller than the maximum path voltage of the first resistor 11, so that the conductive column 7 is in an energized state to energize the electrorheological fluid, strengthen the effect of antislip strip 8 and constant head tank 17 joint, effectively restrict the removal of USB plug 15 to the effect of preventing accidentally pulling has been reached.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an intelligence household electrical appliances are with preventing mistake pulling out device based on current liquid state changes, includes casing (1), its characterized in that: the inner wall of the shell (1) is fixedly connected with two mutually symmetrical electromagnets (2), the inner wall of the shell (1) and the inner side close to the electromagnets (2) are fixedly connected with a spring (3), the inner side of the spring (3) is fixedly connected with a slider (4) movably connected with the inner wall of the shell (1), the inner wall of the slider (4) and the inner side close to the spring (3) are fixedly connected with a magnetic block (5), the middle part of the slider (4) is fixedly connected with a dielectric plate I (6), the inner side of the slider (4) is fixedly connected with a conductive column (7), the inner wall of the shell (1) and the inner side close to the slider (4) are fixedly connected with an anti-slip strip (8), the inner wall of the shell (1) and the top close to the slider (4) are fixedly connected with a positive plate I (9), the inner wall of the shell (1), the inner wall fixedly connected with of casing (1) and negative plate one (10) electric connection's resistance one (11), the left side inner wall fixedly connected with of casing (1) and electromagnet (2) electric connection's resistance two (12), the left side inner wall fixedly connected with of casing (1) and resistance two (12) electric connection's negative plate two (13), the right side inner wall fixedly connected with of casing (1) and negative plate two (13) symmetrical positive plate two (14), the middle part of casing (1) is pegged graft and is had USB plug (15), the inner wall fixedly connected with dielectric plate two (16) of USB plug (15), constant head tank (17) of symmetry of each other is seted up in the bottom outside of USB plug (15).
2. The intelligent household appliance anti-pulling device based on state change of the electrorheological fluid of claim 1, which is characterized in that: the shell (1) is made of hard high-strength material, and the shape of the shell (1) is cuboid.
3. The intelligent household appliance anti-pulling device based on state change of the electrorheological fluid of claim 1, which is characterized in that: the magnetism of the inner side of the electromagnet (2) is the same as that of the outer side of the magnetic block (5), and the size of the electromagnet (2) is smaller than that of the shell (1).
4. The intelligent household appliance anti-pulling device based on state change of the electrorheological fluid of claim 1, which is characterized in that: the spring (3) is an extension spring, and the diameter of the spring (3) is smaller than that of the sliding block (4).
5. The intelligent household appliance anti-pulling device based on state change of the electrorheological fluid of claim 1, which is characterized in that: the slider (4) is made of a hard high-strength material, the slider (4) is cylindrical, the magnetic block (5) is made of a rubidium magnet material, and the magnetic block (5) is rectangular.
6. The intelligent household appliance anti-pulling device based on state change of the electrorheological fluid of claim 1, which is characterized in that: the size of the dielectric plate I (6) is smaller than that of the sliding block (4), the size of the dielectric plate I (6) is the same as that of the positive plate I (9), the conductive column (7) is made of a material with good conductivity, the conductive column (7) is cylindrical, the anti-slip strip (8) is made of a soft rubber material, the anti-slip strip (8) is cuboid, and electrorheological fluid is movably connected to the inner side of the anti-slip strip (8).
7. The intelligent household appliance anti-pulling device based on state change of the electrorheological fluid of claim 1, which is characterized in that: the first resistor (11) is a voltage dependent resistor, the maximum path voltage of the first resistor (11) is greater than the minimum circuit voltage of the first negative plate (10), and the second resistor (12) is a voltage dependent resistor, and the maximum path voltage of the second resistor (12) is greater than the minimum circuit voltage of the second negative plate (13).
8. The intelligent household appliance anti-pulling device based on state change of the electrorheological fluid of claim 1, which is characterized in that: the size of the second positive plate (14) is the same as that of the second negative plate (13), the size of the second positive plate (14) is the same as that of the second dielectric plate (16), the size of the USB plug (15) is made of a hard high-strength material, and the shape of the USB plug (15) is a cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430181.7A CN111564725A (en) | 2020-05-20 | 2020-05-20 | Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430181.7A CN111564725A (en) | 2020-05-20 | 2020-05-20 | Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid |
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| Publication Number | Publication Date |
|---|---|
| CN111564725A true CN111564725A (en) | 2020-08-21 |
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| CN202010430181.7A Withdrawn CN111564725A (en) | 2020-05-20 | 2020-05-20 | Intelligent household appliance anti-pulling device based on state change of electro-rheological fluid |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725661A (en) * | 2020-07-02 | 2020-09-29 | 杨象治 | Digital information transmission data line connection anti-pulling fixing device |
| CN112018565A (en) * | 2020-08-31 | 2020-12-01 | 李顺清 | Anti-drop power plug and socket for koji machine |
| CN112155305A (en) * | 2020-09-21 | 2021-01-01 | 广州跃汇贸易有限公司 | Automatic thermos cup clearance ware of scrubbing |
| CN112178376A (en) * | 2020-09-18 | 2021-01-05 | 李雪燕 | A camera mount for radio and television records |
| CN112171644A (en) * | 2020-10-10 | 2021-01-05 | 浙江树人学院（浙江树人大学） | Automatic production line cooperation device and control method thereof |
| CN112397931A (en) * | 2020-11-06 | 2021-02-23 | 杭州久协科技有限公司 | Computer peripheral equipment connects fixing device |
| CN112428182A (en) * | 2020-11-19 | 2021-03-02 | 宁波吉鑫机械制造有限公司 | Clamping device is used in processing of non-mark machine part |
| CN112713449A (en) * | 2020-12-22 | 2021-04-27 | 常州市腾翔机械重工有限公司 | Intelligent manufacturing plug capable of preventing mis-pulling and current overload |
| CN112924075A (en) * | 2021-02-26 | 2021-06-08 | 云和县瑞灵玩具有限公司 | Reminding device used when wood fixing bolt is loose |
| CN112952465A (en) * | 2021-01-27 | 2021-06-11 | 成都榕况泛贸易代理有限公司 | Anti-drop power strip for industrial control computer |
| CN112952461A (en) * | 2021-01-27 | 2021-06-11 | 南京万扬家居用品有限公司 | Anti-mispull power socket based on semiconductor refrigeration piece |
| CN112959906A (en) * | 2021-01-27 | 2021-06-15 | 陈善国 | Intelligent new energy automobile charging device capable of avoiding falling off |
| CN113346293A (en) * | 2021-05-24 | 2021-09-03 | 宁波奥博尔电器有限公司 | Socket with sound box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725661A (en) * | 2020-07-02 | 2020-09-29 | 杨象治 | Digital information transmission data line connection anti-pulling fixing device |
| CN112018565A (en) * | 2020-08-31 | 2020-12-01 | 李顺清 | Anti-drop power plug and socket for koji machine |
| CN112178376A (en) * | 2020-09-18 | 2021-01-05 | 李雪燕 | A camera mount for radio and television records |
| CN112155305A (en) * | 2020-09-21 | 2021-01-01 | 广州跃汇贸易有限公司 | Automatic thermos cup clearance ware of scrubbing |
| CN112171644A (en) * | 2020-10-10 | 2021-01-05 | 浙江树人学院（浙江树人大学） | Automatic production line cooperation device and control method thereof |
| CN112397931A (en) * | 2020-11-06 | 2021-02-23 | 杭州久协科技有限公司 | Computer peripheral equipment connects fixing device |
| CN112428182A (en) * | 2020-11-19 | 2021-03-02 | 宁波吉鑫机械制造有限公司 | Clamping device is used in processing of non-mark machine part |
| CN112713449A (en) * | 2020-12-22 | 2021-04-27 | 常州市腾翔机械重工有限公司 | Intelligent manufacturing plug capable of preventing mis-pulling and current overload |
| CN112952465A (en) * | 2021-01-27 | 2021-06-11 | 成都榕况泛贸易代理有限公司 | Anti-drop power strip for industrial control computer |
| CN112952461A (en) * | 2021-01-27 | 2021-06-11 | 南京万扬家居用品有限公司 | Anti-mispull power socket based on semiconductor refrigeration piece |
| CN112959906A (en) * | 2021-01-27 | 2021-06-15 | 陈善国 | Intelligent new energy automobile charging device capable of avoiding falling off |
| CN112924075A (en) * | 2021-02-26 | 2021-06-08 | 云和县瑞灵玩具有限公司 | Reminding device used when wood fixing bolt is loose |
| CN113346293A (en) * | 2021-05-24 | 2021-09-03 | 宁波奥博尔电器有限公司 | Socket with sound box |
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Application publication date: 20200821 |