CN218970884U - Switch actuator and household appliance - Google Patents
Switch actuator and household appliance Download PDFInfo
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- CN218970884U CN218970884U CN202221216017.7U CN202221216017U CN218970884U CN 218970884 U CN218970884 U CN 218970884U CN 202221216017 U CN202221216017 U CN 202221216017U CN 218970884 U CN218970884 U CN 218970884U
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- lock tongue
- switch actuator
- screw rod
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to the technical field of household appliances, and discloses a switch actuator and a household appliance, wherein the switch actuator comprises: the spring bolt is arranged in a sliding way; the driving device comprises a transmission mechanism, the transmission mechanism comprises a screw rod and a transmission column, the screw rod and the lock tongue extend in the same direction, a spiral guide groove is formed in the screw rod, the transmission column is fixed on the lock tongue, the transmission column is inserted into the guide groove, and the screw rod can rotate to drive the transmission column to move along the guide groove, so that the lock tongue moves along a straight line. The switch actuator realizes the automatic opening and closing of the door body through the linear movement of the lock tongue, provides larger push-pull force, and simultaneously has longer telescopic travel of the lock tongue, thereby meeting the travel requirement of opening and closing the door body.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a switch actuator and a household appliance.
Background
The household appliances mainly refer to various electric appliances and electronic appliances used in families and similar places, and are also called household appliances and daily appliances. The household appliance releases people from heavy, trivial and time-consuming household work, creates more comfortable and graceful life and working environment which are more beneficial to physical and mental health for people, provides rich and colorful cultural entertainment conditions and becomes a necessity for modern family life.
At present, the requirements of people on the automation degree of the household appliances are higher and higher, and the improvement of the automation degree becomes an important development trend of the household appliances. Wherein, electric appliances such as dish washer, sterilizer on the market still do not realize the function of automatic switch door, and when opening and shutting the door, be difficult to satisfy simultaneously the requirement of big stroke and big push-pull.
There is a need for a switch actuator and a household appliance to solve the above-mentioned technical problems.
Disclosure of Invention
Based on the above, the utility model aims to provide a switch actuator and a household appliance, wherein the driving device drives the lock tongue to move linearly, so that the door body can be automatically opened and closed, a larger push-pull force is provided, and meanwhile, the telescopic travel of the lock tongue is longer, so that the travel requirement of the door body for opening and closing is met.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, there is provided a switch actuator comprising:
the spring bolt is arranged in a sliding way;
the driving device comprises a transmission mechanism, the transmission mechanism comprises a screw rod and a transmission column, the screw rod and the lock tongue extend in the same direction, a spiral guide groove is formed in the screw rod, the transmission column is fixed on the lock tongue, the transmission column is inserted into the guide groove, and the screw rod can rotate to drive the transmission column to move along the guide groove, so that the lock tongue moves along a straight line.
As an optional technical scheme of the switch actuator, the driving device further comprises a rotary driving piece, the transmission mechanism further comprises a gear assembly, the rotary driving piece is in transmission connection with the screw rod through the gear assembly, the input end of the gear assembly is in transmission connection with the output end of the rotary driving piece, and the output end of the gear assembly is in transmission connection with one end of the screw rod.
As an alternative solution of the switch actuator, the gear assembly includes:
the input gear is fixed at the output end of the rotary driving piece;
the first transmission gear is provided with a first input end and a first output end with different diameters, the diameter of the first input end is larger than that of the first output end, and the first input end is in meshed transmission connection with the input gear;
the second transmission gear is provided with a second input end and a second output end with different diameters, the diameter of the second input end is larger than that of the second output end, and the second input end is in meshed transmission connection with the first output end on the first transmission gear;
the output gear is fixed at one end of the screw rod and is in meshed transmission connection with the second output end.
As an alternative solution of the switch actuator, the rotary driving member is a rotary motor.
As an optional technical solution of the switch actuator, the switch actuator further includes a control device and a detection assembly, the control device is electrically connected with the driving device and the detection assembly, and the detection assembly includes:
the circuit board and the lock tongue extend in the same direction, conductive layers are arranged continuously or at intervals on the circuit board in the extending direction, and the circuit board is electrically connected with the control device;
the electric conductor is fixedly connected with the lock tongue, the electric conductor is correspondingly arranged with the conductive layer, the electric conductor is electrically connected with the control device, and when the lock tongue slides along a straight line, the electric conductor can be driven to change the conducting position of the electric conductor and the conductive layer, so that the length of the conductive layer connected into a conducting circuit is adjusted, or the conductive layer is selectively connected into the conducting circuit.
As an optional solution of the switch actuator, the switch actuator further includes:
the shell, the said spring bolt slides and sets up in the said shell, the first end of the said spring bolt stretches out of the said shell and can reciprocate along stretching out direction;
the connecting rod, the one end of connecting rod with the spring bolt stretches out the first end of casing rotates to be connected, the other end of connecting rod is used for articulated outside the door body.
As an optional technical scheme of the switch actuator, the lock tongue is arranged into a strip plate structure, and the first end of the lock tongue is always positioned outside the shell.
As an optional technical scheme of the switch actuator, the lock tongue is provided with a plurality of lightening holes.
As an alternative solution of the switch actuator, the housing includes:
the bottom shell is internally provided with a mounting cavity, a slideway with an opening at one end is arranged in the mounting cavity, the lock tongue is arranged on the slideway in a sliding manner, and the lock tongue extends out of the opening;
and the upper cover is detachably connected with the bottom shell and covers the upper part of the mounting cavity.
In a second aspect, a household appliance is provided, including an appliance body, a door body and a switch actuator as described above, the switch actuator is disposed in the appliance body, one end of the door body is rotationally connected with the appliance body, and the other end of the door body is movably connected with the first end of the lock tongue.
The beneficial effects of the utility model are as follows:
the switch actuator provided by the utility model drives the lock tongue to move along a straight line through the driving device, and the transmission mechanism formed by the screw rod and the transmission column transmits power to the lock tongue so as to enable the lock tongue to stretch and retract along the straight line relative to the shell, and the first end of the lock tongue extending out of the shell is movably connected with the movable end of the door body. When the driving device drives the lock tongue to extend, the door body is driven to rotate, so that the door body is automatically opened; when the driving device drives the lock tongue to retract, the driving device drives the door body to rotate in the opposite direction so as to realize automatic closing of the door body. According to the switch actuator provided by the utility model, the driving device drives the lock tongue to linearly move, so that the door body is driven to rotate, the door body is automatically opened and closed, the transmission structure formed by the screw rod and the transmission column is provided with larger torque transmission, larger push-pull force is provided, and meanwhile, the telescopic travel of the lock tongue is longer due to the arrangement of the lock tongue and the screw rod extending in the same direction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of a switch actuator provided by the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the switch actuator provided by the present utility model;
FIG. 3 is an exploded view of a partial structure of a switch actuator provided by the present utility model;
fig. 4 is an exploded view of a part of the structure of the switch actuator according to the present utility model.
In the figure:
11. a bottom case; 12. an upper cover; 21. a rotary driving member; 22. a screw rod; 221. a guide groove; 23. a drive column; 24. an input gear; 25. a first transmission gear; 26. a second transmission gear; 27. an output gear; 3. a bolt; 31. a relief groove; 32. a lightening hole; 4. a connecting rod; 5. a circuit board; 51. a conductive layer; 6. an electric conductor.
Detailed Description
In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
As shown in fig. 1-4, the present embodiment provides a switch actuator, including a housing, a lock tongue 3 and a driving device, where the lock tongue 3 is slidably disposed in the housing, and a first end of the lock tongue 3 protrudes from the housing and can reciprocate along the protruding direction, and the first end of the lock tongue 3 is movably connected with a movable end of an external door body; the driving device is arranged in the shell and comprises a rotary driving piece 21 and a transmission mechanism, the transmission mechanism comprises a screw rod 22 and a transmission column 23, the screw rod 22 and the lock tongue 3 extend in the same direction, a spiral guide groove 221 is formed in the screw rod 22, one end of the screw rod 22 is in transmission connection with the output end of the rotary driving piece 21, the transmission column 23 is fixed on the lock tongue 3, the transmission column 23 is inserted into the guide groove 221, and the rotary driving piece 21 drives the screw rod 22 to rotate so as to drive the transmission column 23 to move along the guide groove 221, so that the lock tongue 3 moves linearly.
Specifically, the switch actuator provided in this embodiment drives the lock tongue 3 to move along a straight line through the driving device, and the rotary driving piece 21 transmits power to the lock tongue 3 through a transmission mechanism formed by the screw rod 22 and the transmission column 23, so that the lock tongue 3 stretches out and draws back along a straight line relative to the housing, and the first end of the lock tongue 3 extending out of the housing is movably connected with the movable end of the door body. When the driving device drives the lock tongue 3 to extend, the door body is driven to rotate so as to realize automatic opening of the door body; when the driving device drives the lock tongue 3 to retract, the driving device drives the door body to rotate in the opposite direction so as to realize automatic closing of the door body. The switch executor that this embodiment provided drives spring bolt 3 rectilinear movement through drive arrangement to drive the door body and rotate, realized the automation of the door body and opened and shut, and the transmission structure setting that screw rod 22 and transmission post 23 constitute has realized bigger moment transmission, provides bigger push-pull force, and the setting that spring bolt 3 and screw rod 22 syntropy extend makes the flexible stroke of spring bolt 3 longer simultaneously.
Optionally, the transmission mechanism further comprises a gear assembly, the rotary driving piece 21 is in transmission connection with the screw rod 22 through the gear assembly, the input end of the gear assembly is in transmission connection with the output end of the rotary driving piece 21, and the output end of the gear assembly is in transmission connection with one end of the screw rod 22.
Further, the gear assembly includes: an input gear 24, a first transfer gear 25, a second transfer gear 26 and an output gear 27. Wherein the input gear 24 is fixed to the output end of the rotary drive member 21; the first transmission gear 25 is rotatably arranged in the shell, and is provided with a first input end and a first output end with different diameters, the diameter of the first input end is larger than that of the first output end, and the first input end is in meshed transmission connection with the input gear 24; the second transmission gear 26 is rotatably arranged in the shell, and is provided with a second input end and a second output end with different diameters, the diameter of the second input end is larger than that of the second output end, and the second input end is in meshed transmission connection with the first output end on the first transmission gear 25; an output gear 27 is fixed to one end of the screw 22, the output gear 27 being in meshed driving connection with the second output. The gear assembly increases the torque transmitted to the screw rod 22 by the rotary driving piece 21 through the arrangement of the transmission ratio of the gear assembly, improves the push-pull force of the lock tongue 3 and improves the reliability of the door opening action driven by the switch actuator.
Preferably, the rotary driving member 21 employs a rotary motor. In other embodiments, other driving members such as a hydraulic motor may be used for the rotation driving member 21.
Optionally, the switch actuator further comprises a control device and a detection assembly, the control device is electrically connected with the driving device and the detection assembly, the detection assembly comprises a circuit board 5 and a conductor 6, the circuit board 5 is arranged in the shell, the circuit board 5 and the lock tongue 3 are arranged in a same direction in an extending mode, the circuit board 5 is provided with continuous or interval arranged conductive layers 51 in the extending direction, and the circuit board 5 is electrically connected with the control device; the conductor 6 is fixedly connected with the lock tongue 3, the conductor 6 is correspondingly arranged with the conductive layer 51, the conductor 6 is electrically connected with the control device, and when the lock tongue 3 slides along a straight line, the conductor 6 can be driven to change the conducting position with the conductive layer 51, so that the length of the conductive layer 51 in a conducting circuit is adjusted, or the conductive layer 51 is selectively connected into the conducting circuit.
In this embodiment, the control device is electrically connected to the rotary driving member 21, and the front end and the rear end of the side of the circuit board 5 facing the latch 3 are respectively provided with a conductive layer 51 separated from each other. When the rotary driving piece 21 drives the lock tongue 3 to retract inwards and move to the innermost position, the conductor 6 is abutted to and conducted with the conductive layer 51 at the rear end of the circuit board 5, and the control device receives a first conduction signal and controls the rotary driving piece 21 to stop acting; when the rotary driving member 21 drives the latch bolt 3 to extend outwards and move to the outermost position, the conductor 6 is abutted to and conducted with the conductive layer 51 at the front end of the circuit board 5, and the control device receives a second conduction signal and controls the rotary driving member 21 to stop acting. The detection component is arranged to enable the switch actuator to automatically detect whether the lock tongue 3 moves to the innermost or outermost limit position, and automatically control the rotary driving piece 21 to stop according to the detection signal.
In other embodiments, the circuit board 5 may also be provided with a strip-shaped conductive layer 51 extending in the same direction as the moving direction of the latch 3, and the conductive body 6 changes the conducting position with the conductive layer 51 when sliding along with the latch 3, so as to adjust the length of the conductive layer 51 in the conducting circuit, further change the detection signal, and the control device controls the rotation driving member 21 to act by comparing the preset trigger signal with the actual measurement signal, so that the function of automatically controlling the rotation driving member 21 to stop acting can be realized.
Preferably, when the conductive layer 51 is separately provided in plural, the conductive layer 51 may be made of a low-resistance material such as copper foil; when the conductive layer 51 is configured as an integral strip structure, the conductive layer 51 may be made of resistive materials such as constantan, nichrome, and carbonaceous materials, so as to adjust the impedance of the access conducting circuit, and realize signal variation.
Optionally, the switch actuator further includes a connecting rod 4, one end of the connecting rod 4 is rotatably connected with the first end of the bolt 3 extending out of the housing, and the other end of the connecting rod 4 is used for hinging the movable end of the external door body. The lock tongue 3, the connecting rod 4, the door body and the electric appliance body form a four-bar structure, so that the linear movement of the lock tongue 3 is converted into the rotation of the door body, the condition of locking is avoided, and the problem that the movable ends of the door body have height differences before and after the door is opened is solved.
In other embodiments, the first end of the lock tongue 3 may also be directly movably connected with the door body, for example, a guide groove is formed in the door body, the first end of the lock tongue 3 is provided with a hinge post inserted in the guide groove, and when the lock tongue 3 moves, the hinge post can rotate in the guide groove and can move along the guide groove, so that the problem of degree of freedom can be solved, and the situation of locking is avoided.
Alternatively, as shown in fig. 3 and 4, an end of the lock tongue 3 extending out of the housing is provided with a yielding groove 31, and the connecting rod 4 is rotatably disposed in the yielding groove 31.
Optionally, the spring bolt 3 sets up to rectangular platelike structure to reduce the occupation in space, especially reduced the overall thickness of switch executor, the first end of spring bolt 3 is located the casing all the time outside, avoids in the connecting rod 4 that rotates the connection with spring bolt 3 income casing and with the casing friction, and guarantees that connecting rod 4 all can rotate in the anytime of removal, in order to avoid appearing the dead phenomenon of motion card.
Optionally, the lock tongue 3 is provided with a plurality of lightening holes 32, so as to reduce the weight of the lock tongue 3, improve the flexibility of movement, reduce the friction between the lock tongue 3 and the shell, and reduce the energy loss.
Optionally, the casing includes drain pan 11 and upper cover 12, be equipped with the installation cavity in the drain pan 11, drive arrangement locates in the installation cavity, be equipped with one end in the installation cavity and set up open-ended slide, spring bolt 3 slides and sets up on the slide, and spring bolt 3 stretches out from the opening, the side of slide is equipped with the cell body that is used for installing circuit board 5, upper cover 12 can dismantle with drain pan 11 and be connected, the top of installation cavity is located to upper cover 12 cover, the casing wholly sets up to platykurtic structure, reduce the space that the switch executor occupy in the height.
The embodiment also provides a household appliance, which comprises an appliance body, a door body and the switch actuator, wherein the switch actuator is arranged in the appliance body, one end of the door body is rotationally connected with the appliance body, the other end of the door body is movably connected with the first end of the lock tongue 3, and the movable end of the door body of the household appliance can be driven to rotate when the switch actuator acts, so that the function of automatically opening and closing the door body is realized.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (10)
1. A switch actuator, comprising:
a lock tongue (3) which is arranged in a sliding way;
the driving device comprises a transmission mechanism, the transmission mechanism comprises a screw rod (22) and a transmission column (23), the screw rod (22) and the lock tongue (3) extend in the same direction, a spiral guide groove (221) is formed in the screw rod (22), the transmission column (23) is fixed on the lock tongue (3), the transmission column (23) is inserted into the guide groove (221), and the screw rod (22) can rotate to drive the transmission column (23) to move along the guide groove (221) so that the lock tongue (3) moves along a straight line.
2. The switch actuator according to claim 1, wherein the driving means further comprises a rotary driving member (21), the transmission mechanism further comprises a gear assembly, the rotary driving member (21) and the screw rod (22) are in transmission connection through the gear assembly, an input end of the gear assembly is in transmission connection with an output end of the rotary driving member (21), and an output end of the gear assembly is in transmission connection with one end of the screw rod (22).
3. The switch actuator of claim 2 wherein the gear assembly comprises:
an input gear (24) fixed to an output end of the rotary drive member (21);
the first transmission gear (25) is provided with a first input end and a first output end with different diameters, the diameter of the first input end is larger than that of the first output end, and the first input end is in meshed transmission connection with the input gear (24);
the second transmission gear (26) is provided with a second input end and a second output end with different diameters, the diameter of the second input end is larger than that of the second output end, and the second input end is in meshed transmission connection with the first output end on the first transmission gear (25);
and the output gear (27) is fixed at one end of the screw rod (22), and the output gear (27) is in meshed transmission connection with the second output end.
4. The switch actuator according to claim 2, characterized in that the rotary drive (21) employs a rotary motor.
5. The switch actuator of claim 1, further comprising a control device and a detection assembly, the control device being electrically connected to the drive device and the detection assembly, the detection assembly comprising:
the circuit board (5) and the lock tongue (3) extend in the same direction, the circuit board (5) is provided with continuous or interval conductive layers (51) in the extending direction, and the circuit board (5) is electrically connected with the control device;
the electric conductor (6) is fixedly connected with the lock tongue (3), the electric conductor (6) is correspondingly arranged with the conductive layer (51), the electric conductor (6) is electrically connected with the control device, and when the lock tongue (3) slides along a straight line, the electric conductor (6) can be driven to change the conducting position of the conductive layer (51), so that the length of the conductive layer (51) connected into a conducting circuit is adjusted, or the conductive layer (51) is selectively connected into the conducting circuit.
6. The switch actuator of claim 1, further comprising:
the lock tongue (3) is arranged on the shell in a sliding manner, and the first end of the lock tongue (3) extends out of the shell and can reciprocate along the extending direction;
the connecting rod (4), the one end of connecting rod (4) with spring bolt (3) stretches out the first end of casing rotates to be connected, the other end of connecting rod (4) is used for articulating outside door body.
7. The switch actuator according to claim 6, characterized in that the locking tongue (3) is provided in a strip-like structure, the first end of the locking tongue (3) being always located outside the housing.
8. The switch actuator of claim 6 wherein the housing comprises:
the novel lock comprises a bottom shell (11), wherein an installation cavity is arranged in the bottom shell (11), a slideway with an opening at one end is arranged in the installation cavity, the lock tongue (3) is arranged on the slideway in a sliding manner, and the lock tongue (3) extends out of the opening;
the upper cover (12) is detachably connected with the bottom shell (11), and the upper cover (12) is covered above the mounting cavity.
9. The switch actuator according to any one of claims 1 to 8, wherein the bolt (3) is provided with a plurality of lightening holes (32).
10. A household appliance, characterized by comprising an appliance body, a door body and a switch actuator as claimed in any one of claims 1-9, wherein the switch actuator is arranged in the appliance body, one end of the door body is rotatably connected with the appliance body, and the other end of the door body is movably connected with the first end of the lock tongue (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221216017.7U CN218970884U (en) | 2022-05-18 | 2022-05-18 | Switch actuator and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221216017.7U CN218970884U (en) | 2022-05-18 | 2022-05-18 | Switch actuator and household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218970884U true CN218970884U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221216017.7U Active CN218970884U (en) | 2022-05-18 | 2022-05-18 | Switch actuator and household appliance |
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| Country | Link |
|---|---|
| CN (1) | CN218970884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023221976A1 (en) * | 2022-05-18 | 2023-11-23 | 富迈赫科技(上海)有限公司 | Actuator and electronic lock |
-
2022
- 2022-05-18 CN CN202221216017.7U patent/CN218970884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023221976A1 (en) * | 2022-05-18 | 2023-11-23 | 富迈赫科技(上海)有限公司 | Actuator and electronic lock |
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