CN213635835U - Anti-toppling switch and electric heater - Google Patents
Anti-toppling switch and electric heater Download PDFInfo
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- CN213635835U CN213635835U CN202022302257.6U CN202022302257U CN213635835U CN 213635835 U CN213635835 U CN 213635835U CN 202022302257 U CN202022302257 U CN 202022302257U CN 213635835 U CN213635835 U CN 213635835U
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Abstract
The utility model discloses a prevent empting switch and electric heater. The anti-toppling switch comprises a heavy ball, a shell and a switch control assembly, wherein a cavity is arranged in the shell, the heavy ball can be arranged in the cavity in a rolling manner, the cavity comprises a rolling area and a fixed area which are arranged up and down, the fixed area is funnel-shaped, the upper part is large, the lower part is small, the rear side wall of the rolling area is provided with an inwards concave cambered surface which is abutted against a semi-arc of the spherical surface of the heavy ball facing backwards, and the semi-arc extends in an up-down arc shape; the switch control assembly is provided with a touch end positioned at the bottom of the fixed area, the bottom of the heavy ball abuts against the touch end, and the switch control assembly is controlled by the touch end to be switched on or switched off. The anti-toppling switch is set to be in a normally open normal working state when toppling in one direction through the arrangement of the concave arc surface, and the anti-toppling switch is in an automatically disconnected abnormal working state when toppling in other directions due to external abnormal collision.
Description
Technical Field
The utility model relates to an electric heating technical field, in particular to prevent empting switch and electric heater.
Background
Current electric heater is in order to avoid empting the back, the phenomenon that causes children to electrocute or scald and even take place the conflagration appears, anti-overturning safety switch is generally installed in the electric heater, current anti-overturning safety switch can sense orientation all around, if when toppling over toward arbitrary orientation all around, anti-overturning safety switch can realize automatic disconnection, and then anti-overturning safety switch can make the electric heater slope or topple over back auto-power-off, make current electric heater all vertical like this, can only transversely heat, cause the overheated phenomenon of local space easily, and the use is single, people are in the process of using and in some special occasions, often need the electric heater to heat towards the enterprising line, but current electric heater can not satisfy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti-toppling switch and electric heater to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
an anti-toppling switch comprises a heavy ball, a shell and a switch control assembly, wherein a cavity is arranged in the shell, the heavy ball can be arranged in the cavity in a rolling manner, the cavity comprises a rolling area and a fixed area which are arranged up and down, the fixed area is funnel-shaped, the upper part is large, the lower part is small, the rear side wall of the rolling area is provided with an inwards concave cambered surface which is abutted against a semi-arc of the spherical surface of the heavy ball towards the rear, and the semi-arc extends in an up-down arc manner; the switch control assembly is provided with a touch end positioned at the bottom of the fixed area, the bottom of the heavy ball abuts against the touch end, and the switch control assembly is controlled by the touch end to be switched on or switched off.
The utility model has the advantages that: when the anti-toppling switch is vertically placed, the heavy ball rolls into the fixed area under the action of gravity, and at the moment, the heavy ball is abutted against the touch end on the switch control assembly, so that the touch end triggers the switch control assembly to be conducted; when the anti-toppling switch is inclined towards the direction with the concave cambered surface, the switch control assembly is still in a conducting state at the moment when the concave cambered surface is in contact with the semi-arc of the heavy ball and is kept in the fixed area and is kept in contact with the contact end; when the anti-toppling switch topples in other directions except for toppling of the concave cambered surface, the heavy ball rolls out of the fixed area under the action of gravity and rolls to the rolling area, so that the heavy ball is separated from the touch end, and the touch end control switch control assembly is disconnected at the moment. The anti-toppling switch is set to be in a normally open normal working state when toppling in one direction through the arrangement of the concave arc surface, and the anti-toppling switch is in an automatically disconnected abnormal working state when toppling in other directions due to external abnormal collision.
As a further improvement of the technical scheme, the switch control assembly comprises a pressure lever and a control switch, wherein one end of the pressure lever is a hinged end, the other end of the pressure lever is a touch end, and the hinged end is hinged with the shell; the control switch is provided with a switch button which is abutted against the bottom of the pressure rod, and the switch button is provided with an elastic reset piece.
The switch button is controlled by the rotation of the pressing rod through the pressing rod, so that the control of the control switch is facilitated, and the accuracy and the sensitivity of the anti-toppling switch are improved.
As the further improvement of the technical scheme, the shell is further provided with a second cavity, the second cavity is communicated with the bottom of the fixed area, and the switch control assembly is installed in the second cavity, so that the stability of the switch control assembly is improved while the structure of the device is simple.
As the further improvement of the technical scheme, the shell comprises the first shell and the second shell which are arranged in front and back, and the installation is convenient.
As a further improvement of the technical scheme, the opening of the first shell is provided with a first buckling part, the opening of the second shell is provided with a second buckling part, the first buckling part is matched and clamped with the second buckling part, the first shell and the second shell can be quickly closed, the heavy ball can be conveniently and accurately fixed in the first cavity, and the switch control assembly is arranged in the second cavity.
As a further improvement of the technical scheme, the first shell and the second shell are fixedly connected through the bolts, and the first shell and the second shell are combined more firmly after the bolts are fixedly connected.
The utility model also provides an electric heater, the electric heater contains foretell arbitrary one and prevents empting the switch, still includes power supply module, heating element, and on-off control subassembly, power supply module are connected with the heating element series connection electricity.
The top of the electric heater and the side part of any side are provided with radiating surfaces, so that the radiating surfaces of the side parts, which are vertically placed for transverse heating and toppled over, of the electric heater face upwards for heating, the toppling-prevention switch is normally opened, and the electric heater works normally; when the electric heater is toppled by external abnormal touch, namely the side heat dissipation surface of the electric heater does not face the upper side, the toppling prevention switch is normally closed, and the electric heater is automatically disconnected. The using mode of the electric heater is increased, and meanwhile, the safety of the electric heater is increased.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural view of an embodiment of an anti-toppling switch provided in the present invention, wherein four arrows respectively indicate upward direction, downward direction, forward direction and backward direction;
fig. 2 is a partial structural view of the combined housing of the present invention, wherein two arrows respectively represent upward and downward directions;
fig. 3 is a partial schematic structural view of another combination housing of the present invention, wherein four arrows indicate upward, downward, forward and backward directions, respectively.
Reference numerals:
the structure comprises a heavy ball 100, a shell 200, a first cavity 210, a rolling area 211, a fixed area 212, an inner concave cambered surface 220, a second cavity 230, a first shell 240, a first buckling part 241, a second shell 250 and a second buckling part 251;
the switch control assembly 300, the touch end 310, the pressure lever 320, the hinge end 321, the control switch 330, and the switch button 331.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, the utility model discloses an anti-toppling switch and electric heater makes following embodiment:
in some embodiments, an anti-toppling switch comprises a heavy ball 100, a housing 200 and a switch control assembly 300, wherein a cavity is arranged in the housing 200, the heavy ball 100 is rollably arranged in the cavity, the cavity comprises a rolling area 211 and a fixed area 212 which are arranged up and down, the fixed area 212 is funnel-shaped with a large top and a small bottom, the rear side wall of the rolling area 211 is provided with an inner concave arc 220 which is abutted with a backward semi-arc of the spherical surface of the heavy ball 100, and the semi-arc extends in an upper-lower arc shape; the switch control assembly 300 is provided with a touch terminal 310 located at the bottom of the positioning region 212, the bottom of the heavy ball 100 abuts against the touch terminal 310, and the switch control assembly 300 is controlled by the touch terminal 310 to be turned on or off.
When the anti-toppling switch is vertically placed, under the action of gravity, the heavy ball 100 rolls into the fixed area 212, and at the moment, the heavy ball 100 is abutted against the touch end 310 on the switch control assembly 300, so that the touch end 310 triggers the switch control assembly 300 to be conducted; when the anti-toppling switch is tilted towards the direction having the concave arc surface 220, the switch control assembly 300 is still in a conducting state when the concave arc surface 220 contacts with the half arc of the heavy ball 100, is kept in the fixed area 212, and keeps contacting with the contact end 310; when the anti-toppling switch topples in the other direction except for the toppling direction of the concave arc surface 220, the heavy ball 100 rolls out of the fixed region 212 under the action of gravity and rolls to the rolling region 211, so that the heavy ball 100 is separated from the touch end 310, and the touch end 310 controls the switch control assembly 300 to be disconnected. The anti-toppling switch is set to be in a normally open normal working state when toppling in one direction by arranging the concave cambered surface 220, and is in an abnormal working state of automatic disconnection when toppling in other directions due to external abnormal collision.
Further, the switch control assembly 300 includes a pressing rod 320 and a control switch 330, one end of the pressing rod 320 is a hinge end 321, the other end of the pressing rod 320 is a touch end 310, and the hinge end 321 is hinged to the housing 200; the control switch 330 is provided with a switch button 331 abutting against the bottom of the pressure lever 320, and the switch button 331 is provided with an elastic reset member. Specifically, referring to fig. 2, the hinge end 321 is a cylinder, a circular groove corresponding to the hinge end 321 is formed in the housing 200, the diameter of the hinge end 321 is smaller than the width of the opening of the circular groove, and the control is more convenient by using a hinged manner.
It should be noted that the control switch 330 of the present invention can be various types of micro switches, and can also be a common push switch.
In other embodiments, the switch button 331 of the control switch 330 is disposed at the bottom of the fixed region 212, and the button of the control switch 330 is the touch end 310, which does not need to be provided with the pressing rod 320, but is disadvantageous to the arrangement of the control switch 330, and has a large volume and a small compact structure. In the embodiment, the button of the switch 330 is controlled by the rotation of the pressing rod 320 through the arrangement of the pressing rod 320, so that the control of the switch 330 is facilitated, the accuracy and the sensitivity of the anti-toppling switch are improved, the volume of the whole anti-toppling switch is reduced, and the structure is compact.
Further, the housing 200 is further provided with a second cavity 230, the second cavity 230 is communicated with the bottom of the fixed region 212, and the switch control assembly 300 is installed in the second cavity 230, so that the device structure is simple and the stability of the switch control assembly 300 is improved.
Further, the housing 200 includes a first housing 240 and a second housing 250 arranged in a front-to-back manner, which facilitates installation.
Further, a first buckling part 241 is arranged on the opening of the first housing 240, a second buckling part 251 is arranged on the opening of the second housing 250, the first buckling part 241 is matched and buckled with the second buckling part 251, the first housing 240 and the second housing 250 can be quickly covered, the heavy ball 100 can be conveniently and accurately fixed in the first cavity 210, and the switch control assembly 300 is arranged in the second cavity 230.
Further, the first housing 240 and the second housing 250 are fixedly connected by bolts, and the first housing 240 and the second housing 250 are more firmly covered after the bolts are fixedly connected.
The utility model also provides an embodiment about the electric heater, the electric heater contains foretell arbitrary one and prevents empting the switch, still includes power supply module, heating element, and on-off control subassembly 300, power supply module and heating element series connection electricity are connected.
The top of the electric heater and the side part of any side are provided with radiating surfaces, so that the radiating surfaces of the side parts, which are vertically placed for transverse heating and toppled over, of the electric heater face upwards for heating, the toppling-prevention switch is normally opened, and the electric heater works normally; when the electric heater is toppled by external abnormal touch, namely the side heat dissipation surface of the electric heater does not face the upper side, the toppling prevention switch is normally closed, and the electric heater is automatically disconnected. The utility model discloses an anti-tilt switch is not restricted to and uses on vertical electric heater, still can use on vertical and the side formula electric heater of heating simultaneously, increases the security of electric heater.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. An anti-toppling switch is characterized in that:
a heavy ball (100);
the ball-shaped rolling device comprises a shell (200), wherein a first cavity (210) is arranged in the shell (200), the heavy ball (100) can be arranged in the first cavity (210) in a rolling mode, the first cavity (210) comprises a rolling area (211) and a positioning area (212) which are arranged up and down, the positioning area (212) is funnel-shaped, the upper portion of the funnel-shaped area is large, the lower portion of the funnel-shaped area is small, an inner concave arc surface (220) which is abutted against a semi-arc of the upper spherical surface of the heavy ball (100) towards the rear side is arranged on the rear side wall of the rolling area (211), and the semi-arc;
the switch control assembly (300) is provided with a touch end (310) located at the bottom of the positioning area (212), the bottom of the heavy ball (100) is abutted against the touch end (310), and the switch control assembly (300) is controlled by the touch end (310) to be connected or disconnected.
2. An anti-tip switch according to claim 1, wherein:
the switch control assembly (300) comprises a pressure lever (320) and a control switch (330), one end of the pressure lever (320) is a hinged end (321), the other end of the pressure lever (320) is the touch end (310), and the hinged end (321) is hinged with the shell (200);
the control switch (330) is provided with a switch button (331) which is abutted against the bottom of the pressure lever (320), and the switch button (331) is provided with an elastic reset piece.
3. An anti-tip switch according to claim 1, wherein:
the shell (200) is further provided with a second cavity (230), the second cavity (230) is communicated with the bottom of the fixed area (212), and the switch control assembly (300) is installed in the second cavity (230).
4. An anti-tip switch according to claim 3, wherein:
the shell (200) comprises a first shell (240) and a second shell (250) which are arranged in a front-back mode.
5. An anti-tip switch according to claim 4, wherein:
a first buckling part (241) is arranged on the opening of the first shell (240), a second buckling part (251) is arranged on the opening of the second shell (250), and the first buckling part (241) is matched and buckled with the second buckling part (251).
6. An anti-tip switch according to claim 5, wherein:
the first shell (240) and the second shell (250) are fixedly connected through bolts.
7. An electric heater, characterized in that the electric heater comprises the anti-toppling switch of any one of claims 1 to 6, and further comprises a power supply assembly and a heating assembly, wherein the switch control assembly (300) and the power supply assembly are electrically connected in series with the heating assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022302257.6U CN213635835U (en) | 2020-10-15 | 2020-10-15 | Anti-toppling switch and electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022302257.6U CN213635835U (en) | 2020-10-15 | 2020-10-15 | Anti-toppling switch and electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213635835U true CN213635835U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022302257.6U Active CN213635835U (en) | 2020-10-15 | 2020-10-15 | Anti-toppling switch and electric heater |
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| Country | Link |
|---|---|
| CN (1) | CN213635835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628927A (en) * | 2021-08-12 | 2021-11-09 | 东莞市德沃电子科技有限公司 | Anti-toppling switch |
-
2020
- 2020-10-15 CN CN202022302257.6U patent/CN213635835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628927A (en) * | 2021-08-12 | 2021-11-09 | 东莞市德沃电子科技有限公司 | Anti-toppling switch |
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