CN213366418U - Door switch and electric appliance - Google Patents
Door switch and electric appliance Download PDFInfo
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- CN213366418U CN213366418U CN202022755845.5U CN202022755845U CN213366418U CN 213366418 U CN213366418 U CN 213366418U CN 202022755845 U CN202022755845 U CN 202022755845U CN 213366418 U CN213366418 U CN 213366418U
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- base
- door switch
- switch
- contact
- rotating shaft
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Abstract
The utility model provides a door switch and electrical apparatus, door switch wherein includes: a base defining an outer dimension of the door switch, the base having a cavity; the micro switch is arranged in the cavity of the base and is provided with a contact; the actuating piece is provided with a rotating shaft, and the actuating piece is rotatably arranged in the cavity of the base through the rotating shaft; the actuating piece comprises a lock hook and a contact part which are fixed on the rotating shaft; the actuating piece has a closing position and an opening position when rotating around the rotating shaft, the contact part pushes against the contact to switch on the microswitch when the closing position is reached, and the contact part is separated from the contact to switch off the microswitch when the opening position is reached; and the elastic component is arranged in the base, and applies force to the actuating piece so as to enable the actuating piece to be kept at the opening position under the action of no external force.
Description
Technical Field
The utility model relates to a door switch.
Background
In the prior art, in order to ensure the safety of the household appliances (such as clothes dryers, washing machines, dishwashers and the like), in particular to ensure the personal safety of users, a switch is arranged on the wall of the household appliance, when a door body is opened, the household appliance is powered off, and when the door body is closed, the household appliance is powered on, so that electric shock caused by misoperation after the door body is opened can be prevented. The switch in the prior art generally adopts the cooperation of movable contact and stationary contact to realize break-make to move movable contact and stationary contact or separation through a plurality of component cooperation action components, but this kind of switch structure is also comparatively complicated, is unfavorable for cost control.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a door switch that structural design is reasonable.
The embodiment of the utility model provides a solve the technical scheme that above-mentioned problem adopted and be: a door switch, comprising:
a base defining an outer dimension of the door switch, the base having a cavity;
the micro switch is arranged in the cavity of the base and is provided with a contact;
the actuating piece is provided with a rotating shaft, and the actuating piece is rotatably arranged in the cavity of the base through the rotating shaft; the actuating piece comprises a lock hook and a contact part which are fixed on the rotating shaft; the base is provided with a window corresponding to the lock hook; the actuating piece has a closing position and an opening position when rotating around the rotating shaft, the contact part pushes against the contact to switch on the microswitch when the closing position is reached, and the contact part is separated from the contact to switch off the microswitch when the opening position is reached; and
the elastic component is arranged in the base and applies force to the actuating piece so that the actuating piece is kept at the opening position under the action of no external force.
The embodiment of the utility model provides an elastic component is the torsional spring to including body, first arm and second arm, set up first fixed unit in the conflict portion, be provided with the fixed unit of second on the base, first arm set up in first fixed unit, and the second arm set up in the fixed unit of second.
The embodiment of the utility model provides a base bottom is uncovered, and base bottom department forms first installing port and second installing port, micro-gap switch passes through first installing port and pack into the cavity of base, it passes through to actuate the piece the second installing port and pack into the cavity of base.
The embodiment of the utility model provides a set up the buckle on the base, micro-gap switch packs into pass through behind the base the buckle is fixed.
The embodiment of the utility model provides a pivot is on a parallel with the bottom of base, just the height dimension who makes the spare is greater than the length dimension of pivot.
The embodiment of the utility model provides a be provided with fixed unit on the base, fixed unit configuration will the wall portion that the door switch is fixed to electrical apparatus.
The embodiment of the utility model provides a fixed unit includes a convex part, the convex part is relative the top surface of base and protrusion, be provided with the buckling parts on the convex part.
The embodiment of the utility model provides a fixed unit includes fixed orifices and/or fixed bump.
The embodiment of the utility model provides a conflict portion includes a conflict face, conflict face slope set up and with the contact is corresponding.
The embodiment of the utility model provides a still provide an electric appliance, its characterized in that: the clothes dryer comprises a wall part and the door switch, wherein the door switch is fixed on the wall part, and the electric appliance is a clothes dryer, a dish washer or a washing machine.
Compared with the prior art, the utility model, have following one or more advantage or effect: the structure is simple, and the design is reasonable; the microswitch is switched on and off in a rotating mode through the actuating part, so that the integral structure is simplified, required parts are reduced, and the reliability is improved; through the open base bottom, the structure of door switch is more simplified, and the installation of being convenient for, especially be convenient for maintain volatile effect elastomeric element.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a door switch according to embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of a door switch according to embodiment 1 of the present invention.
Fig. 3 is a schematic three-dimensional structure diagram of a door switch in embodiment 1 of the present invention.
Fig. 4 is a perspective view of the actuator.
Fig. 5 is a schematic perspective view of an electrical appliance according to embodiment 2 of the present invention, showing the engagement between the door switch and the wall.
Fig. 6 is a schematic perspective view of an electrical appliance according to embodiment 2 of the present invention, showing the engagement between the door switch and the wall.
Fig. 7 is a schematic perspective view of a door switch in some embodiments.
FIG. 8 is a schematic perspective view of a second door switch in some embodiments.
FIG. 9 is a schematic perspective view of a door switch in some embodiments, showing a microswitch positioned at various locations on the base.
FIG. 10 is a schematic perspective view of a door switch in some embodiments.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, and the following examples are illustrative of the present invention, but the present invention is not limited to the following examples.
Example 1
Referring to fig. 1 to 4, the door switch of the present embodiment includes a base 1, a micro switch 2, an actuator 3, and an elastic member 4.
The base 1 of the present embodiment defines the outer dimension of the door switch or substantially defines the outer dimension of the door switch, and the base 1 has a cavity 101. The base 1 in this embodiment may be formed as an integral structure to simplify the process thereof.
The micro switch 2 in this embodiment is disposed in the cavity 101 of the base 1, and has a contact 21. The microswitch 2 in this embodiment is a switch having a minute contact interval and a snap action mechanism, a contact mechanism for performing a switching operation with a predetermined stroke and a predetermined force, and a housing, and a drive lever is provided outside the microswitch, which is a conventional switch and will not be described herein.
The actuating member 3 in this embodiment has a rotating shaft 31. The actuator 3 in this embodiment may be formed as an integral structure with the rotating shaft 31, or may be formed as a separate structure. The actuating component 3 is rotatably arranged in the cavity 101 of the base 1 through the rotating shaft 31; the actuator 3 includes a lock hook 32 fixed to the shaft 31 and an abutting portion 33. In this embodiment, the base 1 has a window 102 corresponding to the lock hook 32, and the window 102 is disposed so that a buckle on the door body can be conveniently matched with the lock hook 32 through the window 102.
The actuator 3 in this embodiment has a closed position and an open position when the rotating shaft 31 rotates, the contact portion 33 pushes against the contact 21 to turn on the micro switch 2 in the closed position, and the contact portion 33 is separated from the contact 21 to turn off the micro switch 2 in the open position, so that the actuator rotates to open and close the micro switch 2.
The elastic member 4 in this embodiment is disposed in the base 1, and the elastic member 4 applies force to the actuator 3, so that the actuator 3 is kept at the open position without external force. That is, the elastic member 4 applies elastic potential energy to the actuator 3, so that the actuator 4 is normally in the open position, i.e., the microswitch 2 is normally open.
In this embodiment, the elastic component 4 is a torsion spring, and includes a body 41, a first arm 42 and a second arm 43, the first fixing unit 331 is disposed on the abutting portion 33, the second fixing unit 103 is disposed on the base 1, the first arm 42 is disposed on the first fixing unit 331, and the second arm 43 is disposed on the second fixing unit 103. The first fixing unit 331 in this embodiment may be a fixing hole, a fixing groove, a snap structure, or the like in the prior art, and the first arm 42 is detachably connected to the first fixing unit 331. The second fixing unit 103 in this embodiment may be a fixing hole, a fixing groove, a snap structure, or the like in the prior art, and the second arm 43 is detachably connected to the second fixing unit 103.
In this embodiment, the base 1 is open at the bottom, a first mounting opening 104 and a second mounting opening 105 are formed at the bottom of the base 1, the micro switch 2 is installed in the cavity 101 of the base 1 through the first mounting opening 104, and the actuator 3 is installed in the cavity 101 of the base 1 through the second mounting opening 105. Through the open bottom of the base 1, the structure of the door switch is simplified, and the installation, especially the maintenance of the elastic component 4 which is easy to lose efficacy is convenient. As shown in fig. 7 to 9, in some embodiments, the base 1 can set the microswitch 2 at different positions by different first mounting openings 104. As shown in fig. 8 and 9, in some embodiments, two sets of first mounting openings 104 are provided on the base 1 to select the mounting position of the microswitch 2 according to actual needs. In some embodiments, the positioning hole is disposed on the micro switch 2, and the positioning post 107 is disposed on the base 1, so that the positioning post 107 passes through the positioning hole of the micro switch 2 to position the micro switch 2.
In this embodiment, the base 1 is provided with a buckle 106, and the microswitch 2 is fixed by the buckle 106 after being installed in the base 1. The buckle 106 is in an inverted buckle form, so that the fixation is firm and the assembly is convenient.
In this embodiment, the rotating shaft 31 is parallel to the bottom of the base 1, and the height of the actuating member 3 is greater than the length of the rotating shaft 31. The design can reduce the transverse size of the base, and is beneficial to the arrangement of a door switch.
The base 1 of the present embodiment is provided with a fixing unit 11, and the fixing unit 11 is configured to fix the door switch to a wall portion of an electric appliance.
The fixing unit 11 of the present embodiment includes a protrusion 111, the protrusion 111 protrudes from the top surface of the base 1, and the protrusion 111 is provided with a fastening portion 112 for fastening to a wall.
The fixing unit 11 of this embodiment may further include a fixing hole 113 for fixing the door switch by passing a bolt through the fixing hole 113. In this embodiment, only one set of fixing holes 113 is provided. As shown in fig. 7 to 9, in some embodiments, the number of the fixing holes 113 may be provided in two sets, and the two sets of fixing holes 113 are respectively located at two sides of the protrusion 111. In some embodiments, as shown in fig. 10, the fixing holes 113 may be replaced by fixing protrusions 114, and in use, the wall of the electrical appliance is provided with holes, and the fixing protrusions 114 are matched with the holes. In other embodiments, the fixing hole 113 and the positioning bump 114 (not shown) may be disposed at the same time, specifically, the fixing hole 113 is disposed on one side of the protrusion 111, and the fixing bump 114 is disposed on the other side.
In this embodiment, the interference portion 33 includes an interference surface 332, and the interference surface 332 is disposed obliquely and corresponds to the contact 21. The interference surface 32 is formed to be inclined so that when it is engaged with the contact 21, direct impact to the contact 21 can be reduced to improve the life of the contact.
Example 2
Referring to fig. 5 and 6, the present embodiment further provides an electrical appliance, including a wall portion 20 and the door switch of embodiment 1, the door switch is fixed on the wall portion 20, and the electrical appliance is a clothes dryer, a dishwasher or a washing machine.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A door switch, comprising:
a base defining an outer dimension of the door switch, the base having a cavity;
the micro switch is arranged in the cavity of the base and is provided with a contact;
the actuating piece is provided with a rotating shaft, and the actuating piece is rotatably arranged in the cavity of the base through the rotating shaft; the actuating piece comprises a lock hook and a contact part which are fixed on the rotating shaft; the base is provided with a window corresponding to the lock hook; the actuating piece has a closing position and an opening position when rotating around the rotating shaft, the contact part pushes against the contact to switch on the microswitch when the closing position is reached, and the contact part is separated from the contact to switch off the microswitch when the opening position is reached; and
the elastic component is arranged in the base and applies force to the actuating piece so that the actuating piece is kept at the opening position under the action of no external force.
2. The door switch of claim 1, wherein: the elastic component is a torsion spring and comprises a body, a first arm and a second arm, a first fixing unit is arranged on the abutting portion, a second fixing unit is arranged on the base, the first arm is arranged on the first fixing unit, and the second arm is arranged on the second fixing unit.
3. The door switch of claim 1, wherein: the base bottom is open, a first mounting opening and a second mounting opening are formed in the base bottom, the micro switch is installed in the cavity of the base through the first mounting opening, and the actuating element is installed in the cavity of the base through the second mounting opening.
4. The door switch of claim 3, wherein: the base is provided with a buckle, and the microswitch is installed in the base and then fixed through the buckle.
5. The door switch of claim 1, wherein: the rotating shaft is parallel to the bottom of the base, and the height dimension of the actuating piece is larger than the length dimension of the rotating shaft.
6. The door switch of claim 1, wherein: a fixing unit configured to fix the door switch to a wall portion of an electric appliance is provided on the base.
7. The door switch of claim 6, wherein: the fixing unit comprises a convex part, the convex part protrudes relative to the top surface of the base, and a buckling part is arranged on the convex part.
8. The door switch of claim 6, wherein: the fixing unit comprises a fixing hole and/or a fixing bump.
9. The door switch of claim 1, wherein: the conflict portion includes a conflict face, conflict face slope set up and with the contact is corresponding.
10. An electrical appliance, characterized by: comprising a wall portion and a door switch according to any of claims 1 to 9, said door switch being fixed to said wall portion, said appliance being a clothes dryer, a dishwasher or a washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022755845.5U CN213366418U (en) | 2020-11-25 | 2020-11-25 | Door switch and electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022755845.5U CN213366418U (en) | 2020-11-25 | 2020-11-25 | Door switch and electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213366418U true CN213366418U (en) | 2021-06-04 |
Family
ID=76136610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022755845.5U Active CN213366418U (en) | 2020-11-25 | 2020-11-25 | Door switch and electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213366418U (en) |
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2020
- 2020-11-25 CN CN202022755845.5U patent/CN213366418U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Door switch and electric appliance Effective date of registration: 20220415 Granted publication date: 20210604 Pledgee: Agricultural Bank of China Limited by Share Ltd. South Lake branch Pledgor: Shenlong Electric Co.,Ltd. Registration number: Y2022980004325 |