Switching device capable of automatically turning on and turning off lamp when door is opened and closed
By setting up a switching device for automatically turning on and off the lights in the box, the combination of the sector and the return spring, the lighting light is on when the box door is opened and off when it is closed, solving the problems of insufficient light and inconvenient manual switching operation, providing operators with convenient observation conditions.
Patent Information
- Application Number
- CN202421623436.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In the box where the seasoning box is placed in the cooking machine, it is difficult to observe the state in the seasoning box due to insufficient light, and the manual switch lighting device is inconvenient to operate.
A switching device for automatically turning on and off the light of the switch door is adopted, including a switch case and a tongue plate. A normally closed switch is provided in the switch case. The switch case is arranged on the top of the box. A fan-shaped member is hinged in the switch case. A return spring is provided between the fan-shaped member and the normally closed switch. The tongue plate is arranged on the inside of the box door. When the box door is closed, the tongue plate acts on the fan-shaped member, causing the fan-shaped member to rotate into the switch case, the normally closed switch is disconnected, and the lighting lamp is turned off.
The lighting light is turned on when the box door is opened and the lighting light is turned off when the box door is closed, providing convenience for the operator to observe the status of the seasoning box in the box and solving the problem of inconvenient manual switching operation.
Smart Images
Figure CN223006674U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a cooking device, in particular to a box body for placing a seasoning box of a cooking machine. Background Art
[0002] In the box body for placing the seasoning box of the cooking machine, due to insufficient light, it is relatively difficult to observe the state inside the seasoning box, and the operation of the lighting device with a manual switch is inconvenient. Content of the Utility Model
[0003] The technical problem solved by the utility model: When observing the state inside the seasoning box in the box body by using a lighting device with a manual switch, the operation is inconvenient.
[0004] To solve the above technical problem, the utility model provides the following technical solution: A switch device for automatically turning on and off a light when opening and closing a door, including a switch housing and a tongue piece. A normally closed switch is provided inside the switch housing. The switch housing is arranged at the top inside the box body. A sector piece is hinged in the switch housing. A return spring is arranged between the sector piece and the normally closed switch. Under the action of the return spring, the sector piece protrudes downward from the switch housing. The tongue piece is arranged on the inner side of the box door. When the box door is closed, the tongue piece can act on the sector piece to make the sector piece rotate into the switch housing.
[0005] The normally closed switch is connected in series in the circuit between the lighting lamp and the power supply. The lighting lamp is arranged inside the box body. When the box door is opened, the tongue piece disengages from the sector piece, and the normally closed switch conducts the circuit between the lighting lamp and the power supply, and the lighting lamp lights up. When the box door is closed, the tongue piece acts on the sector piece, and the sector piece rotates into the switch housing, that is, rotates upward. The sector piece touches the normally closed switch to make the normally closed switch disconnect, and further, the circuit between the lighting lamp and the power supply is disconnected, and the lighting lamp goes out.
[0006] The utility model adopts the method of linking the opening and closing of the box door with the switch of the lighting lamp, so that when the box door is opened, the lighting lamp lights up, and when the box door is closed, the lighting lamp goes out, which provides convenience for the operator to observe the state inside the seasoning box in the box body.
[0007] The pressing contact of the normally closed switch faces downward, the pressing contact on the sector piece faces upward. A first spring fixing part is provided on the normally closed switch, and a second spring fixing part is provided on the sector piece. The top end of the return spring is sleeved on the first spring fixing part, and the bottom end of the return spring is sleeved on the second spring fixing part. When the box door is opened, the tongue piece disengages from the sector piece. Under the action of the return spring, the pressing contact leaves the pressing contact, and the normally closed switch conducts the circuit between the lighting lamp and the power supply, and the lighting lamp lights up. When the box door is closed, the tongue piece acts on the sector piece, and the sector piece rotates into the switch housing, that is, rotates upward. The pressing contact acts on the pressing contact to make the normally closed switch disconnect, and further, the circuit between the lighting lamp and the power supply is disconnected, and the lighting lamp goes out.
[0008] The figure of the sector-shaped part on the horizontal projection plane is a rectangle. Let the projection of the center of the rectangle on the horizontal projection plane be point P; the free end of the tongue piece is arc-shaped. Let the projection of the center of the arc shape on the horizontal projection plane be point Q; let the distance from the center of the arc shape to the hinge axis between the cabinet door and the cabinet body be R, and the projection of the hinge axis between the cabinet door and the cabinet body on the horizontal projection plane be O; a circle with O as the center and R as the radius passes through point P and point Q. In this way, when the cabinet door is closed, the free end of the tongue piece can act on the middle position of the sector-shaped part, avoiding the contact position of the free end of the tongue piece with the sector-shaped part being too far to the left or right, which may cause the sector-shaped part to deviate to the left or right. Furthermore, the sector-shaped part can rotate upward smoothly without deviation.
[0009] The switch housing is positioned on the switch base. A female socket is provided on the left side of the switch base, and a baffle is provided on the right side of the switch base. There is a connecting part between the female socket and the baffle. The plug-in conductive piece of the normally closed switch protrudes from the left side wall of the switch housing. A spring piece is provided on the right side of the switch housing. The bottom of the switch housing is positioned on the connecting part. The sector-shaped part protrudes downward from the connecting part. The plug-in conductive piece is inserted into the jack of the female socket, and the spring piece presses against the baffle. When installing the switch housing, the operator presses the spring piece to make the spring piece close to the right side of the switch housing. Then, the switch housing is positioned on the connecting part. The sector-shaped part protrudes downward from the hollow part of the connecting part. The plug-in conductive piece is inserted into the jack of the female plug. The released spring piece presses against the baffle. Under the action of the spring piece, the plug-in conductive piece has a tendency to be inserted tightly into the jack, which keeps the plug-in conductive piece and the jack inserted tightly without loosening. The female socket is connected in series in the circuit between the power supply and the lighting lamp. The plug-in conductive piece is inserted into the jack, making the normally closed switch connected in series in the circuit between the power supply and the lighting lamp.
[0010] A connecting piece is provided on the top of the female socket. A connecting hole is provided on the connecting piece. The connecting piece is installed on the top inside the cabinet through a threaded connector. Description of the Drawings
[0011] The following further describes the present utility model with reference to the drawings:
[0012] Figure 1 It is a schematic diagram of the switch device for automatically turning on and off the light when looking down at the switch door;
[0013] Figure 2 It is Figure 1 View A in
[0014] Figure 3 It is Figure 1 A schematic diagram of the tongue piece 20 on the cabinet door 50 approaching the sector-shaped part 40 of the switch housing 10 in
[0015] Figure 4 It is Figure 3 A schematic diagram of the tongue piece 20 acting on the sector-shaped part 40 in
[0016] Figure 5 Schematic diagram of the switch housing 10;
[0017] Figure 6 is Figure 5 Schematic diagram after the dotted line in is hidden;
[0018] Figure 7 is Figure 6 left view of;
[0019] Figure 8 is Figure 6 top view of;
[0020] Figure 9 Schematic diagram of the combined structure of the switch housing 10 and the switch base 60;
[0021] Figure 10 is Figure 9 exploded view of.
[0022] Explanation of symbols in the figure:
[0023] 10. Switch housing; 11. Spring piece;
[0024] 20. Tongue piece;
[0025] 30. Normally closed switch; 31. Pressing contact; 32. First spring fixing part; 33. Plug-in conductive piece;
[0026] 40. Sector piece; 41. Return spring; 42. Pressing contact; 43. Second spring fixing part;
[0027] 50. Cabinet door;
[0028] 60. Switch base; 61. Female socket; 62. Baffle; 63. Connection part; 64. Jack; 65. Connecting piece; 66. Connecting hole. Detailed implementation method
[0029] Combined with Figure 1 , Figure 2 , Figure 5 , a switch device for automatically turning on and off the light of a switch door, including a switch housing 10 and a tongue piece 20. A normally closed switch 30 is provided inside the switch housing. The switch housing is arranged at the top inside the box body. A sector piece 40 is hinged in the switch housing. A return spring 41 is provided between the sector piece and the normally closed switch. Under the action of the return spring, the sector piece protrudes downward from the switch housing. The tongue piece 20 is arranged inside the cabinet door 50. When the cabinet door is closed, the tongue piece can act on the sector piece to make the sector piece rotate into the switch housing.
[0030] The normally closed switch 30 is connected in series in the circuit between the lighting lamp and the power supply. The lighting lamp is arranged inside the box body. When the box body door 50 is opened, the tongue piece 20 is disengaged from the sector piece 40, and the normally closed switch 30 conducts the circuit between the lighting lamp and the power supply, and the lighting lamp lights up. Refer to Figure 3 , Figure 4 , when the box body door 50 is closed, the tongue piece 20 acts on the sector piece, and the sector piece rotates into the switch housing 10, that is, rotates upward. The sector piece 40 touches the normally closed switch 30 to disconnect the normally closed switch, and further, the circuit between the lighting lamp and the power supply is disconnected, and the lighting lamp goes out.
[0031] The pressing contact 31 of the normally closed switch 30 faces downward, and the pressing contact 42 on the sector piece 40 faces upward. The normally closed switch is provided with a first spring fixing part 32, and the sector piece is provided with a second spring fixing part 43. The top end of the return spring 41 is sleeved on the first spring fixing part, and the bottom end of the return spring is sleeved on the second spring fixing part. When the box body door 50 is opened, the tongue piece 20 is disengaged from the sector piece 40. Under the action of the return spring 41, the pressing contact 42 leaves the pressing contact 31, and the normally closed switch 30 conducts the circuit between the lighting lamp and the power supply, and the lighting lamp lights up. When the box body door 50 is closed, the tongue piece 20 acts on the sector piece 40, and the sector piece rotates into the switch housing 10, that is, rotates upward. The pressing contact 42 acts on the pressing contact 31 to disconnect the normally closed switch 30, and further, the circuit between the lighting lamp and the power supply is disconnected, and the lighting lamp goes out.
[0032] Such as Figure 1 , the figure of the sector piece 40 on the horizontal projection plane is a rectangle. Let the projection of the center of the rectangle on the horizontal projection plane be point P; the free end of the tongue piece 20 is arc-shaped. Let the projection of the center of the arc shape on the horizontal projection plane be point Q; let the distance from the center of the arc shape to the hinge axis between the box body door 50 and the box body be R, and the projection of the hinge axis between the box body door and the box body on the horizontal projection plane be O; with O as the center and R as the radius, the circle passes through point P and point Q. In this way, when the box body door 50 is closed, the free end of the tongue piece 20 can act on the middle position of the sector piece 40, avoiding the contact position of the free end of the tongue piece 20 with the sector piece being too left or too right, which may cause the sector piece to deviate to the left or right. Furthermore, the sector piece 40 can rotate upward evenly without deviation and rotate smoothly.
[0033] Refer to Figure 9 , Figure 10, the switch housing 10 is positioned on the switch base 60. A female socket 61 is provided on the left side of the switch base, and a baffle 62 is provided on the right side of the switch base. A connecting portion 63 is provided between the female socket and the baffle. The plug-in conductive piece 33 of the normally closed switch 30 protrudes from the left side wall of the switch housing. A spring piece 11 is provided on the right side of the switch housing. The bottom of the switch housing is positioned on the connecting portion. The sector-shaped member 40 protrudes downward from the connecting portion. The plug-in conductive piece is inserted into the jack 64 of the female socket, and the spring piece presses against the baffle. When installing the switch housing 10, the operator presses the spring piece 11 to make the spring piece close to the right side of the switch housing 10. Then, the switch housing 10 is positioned on the connecting portion 63. The sector-shaped member 40 protrudes downward from the hollow portion of the connecting portion 63. The plug-in conductive piece 33 is inserted into the jack 64 of the female plug. The released spring piece 11 presses against the baffle 62. Under the action of the spring piece, the plug-in conductive piece 33 has a tendency to be inserted tightly into the jack 64, and this tendency keeps the plug-in conductive piece 33 inserted tightly into the jack 64 without loosening. The female socket 61 is connected in series in the circuit of the power supply and the lighting lamp. The plug-in conductive piece 33 is inserted into the jack 64 of the female socket, so that the normally closed switch 30 is connected in series in the circuit of the power supply and the lighting lamp.
[0034] A connecting piece 65 is provided on the top of the female socket 61, and a connecting hole 66 is provided on the connecting piece. The connecting piece is installed on the top inside the box body through a threaded connector.
[0035] The above content is only the preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.
Claims
1. A switch device for automatically turning on and off a light when opening and closing a door, comprising a switch housing (10) and a tongue (20), wherein a normally closed switch (30) is arranged in the switch housing, and characterized in that: The switch housing is arranged at the top of the box body, a fan-shaped piece (40) is hinged in the switch housing, a reset spring (41) is arranged between the fan-shaped piece and the normally closed switch, and under the action of the reset spring, the fan-shaped piece protrudes downward from the switch housing; the tongue piece (20) is arranged on the inner side of the box body door (50), and when the box body door is closed, the tongue piece can act on the fan-shaped piece to make the fan-shaped piece rotate into the switch housing.
2. The switch device for automatically turning on and off lights when opening and closing a door as claimed in claim 1, characterized in that: The pressing contact (31) of the normally closed switch (30) faces downward, the pressing contact (42) on the fan-shaped member (40) faces upward, the normally closed switch is provided with a first spring fixing portion (32), the fan-shaped member is provided with a second spring fixing portion (43), the top end of the return spring (41) is sleeved on the first spring fixing portion, and the bottom end of the return spring is sleeved on the second spring fixing portion.
3. The switch device for automatically turning on and off lights when opening and closing a door as claimed in claim 1, characterized in that: The fan-shaped member (40) is in the shape of a rectangle on the horizontal projection plane, and the projection of the center of the rectangle on the horizontal projection plane is set as point P; the free end of the tongue piece (20) is in the shape of an arc, and the projection of the center of the arc on the horizontal projection plane is set as point Q; the distance from the center of the arc to the hinge axis between the box door (50) and the box is set as R, and the projection of the hinge axis between the box door and the box on the horizontal projection plane is O; a circle with O as the center and R as the radius passes through points P and Q.
4. The switch device for automatically turning on and off lights when opening and closing a door as claimed in claim 1, characterized in that: The switch housing (10) is positioned on the switch base (60), a female socket (61) is provided on the left side of the switch base, a baffle (62) is provided on the right side of the switch base, a connecting portion (63) is provided between the female socket and the baffle, a plug-in conductive sheet (33) of a normally closed switch (30) protrudes from the left side wall of the switch housing, a spring sheet (11) is provided on the right side of the switch housing, the bottom of the switch housing is positioned on the connecting portion, a fan-shaped piece (40) protrudes downward from the connecting portion, the plug-in conductive sheet is inserted into the plug hole (64) of the female socket, and the spring sheet is pressed against the baffle.
5. The switch device for automatically turning on and off lights when opening and closing a door as claimed in claim 4, characterized in that: A connecting piece (65) is provided on the top of the female socket (61), a connecting hole (66) is provided on the connecting piece, and the connecting piece is installed on the top of the box body through a threaded connector.