CN220306166U - Manual reset overload temperature protector - Google Patents
Manual reset overload temperature protector Download PDFInfo
- Publication number
- CN220306166U CN220306166U CN202321681342.5U CN202321681342U CN220306166U CN 220306166 U CN220306166 U CN 220306166U CN 202321681342 U CN202321681342 U CN 202321681342U CN 220306166 U CN220306166 U CN 220306166U
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- CN
- China
- Prior art keywords
- fixedly connected
- shell
- temperature protector
- side wall
- manual reset
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- 230000001012 protector Effects 0.000 title claims abstract description 37
- 230000003068 static effect Effects 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000002045 lasting effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a manual reset overload temperature protector in the technical field of overload protectors, which comprises a shell and a fixing plate, wherein the fixing plate is arranged on the rear side wall of the shell, a first spring is fixedly connected to the top of an inner cavity of the shell, a connecting plate is fixedly connected to the bottom end of the first spring, a pressing rod is fixedly connected to the top of the connecting plate, the top end of the pressing rod penetrates through the shell and extends to the top of the shell, an insulating block is fixedly connected to the middle of the bottom of the connecting plate, a thermistor is fixedly connected to the right side wall of the inner cavity of the shell, a clamping groove is formed in the left side wall and the right side of the bottom of the inner cavity of the shell, and a first static contact block is fixedly connected to the right side of the bottom of the inner cavity of the shell.
Description
Technical Field
The utility model relates to the technical field of overload protectors, in particular to a manual reset overload temperature protector.
Background
The overload temperature protector is a circuit protection device designed according to practical needs, and can sense temperature and current at the same time, and when the temperature or the overload current reaches, the overload temperature protector can automatically disconnect a circuit so as to achieve the purpose of protecting an overload electric appliance.
The existing overload temperature protector can be automatically reset along with the reduction of temperature after the circuit is automatically disconnected, does not have a long-time lasting power-off function, is inconvenient to install and detach in the use process, and cannot be conveniently and rapidly replaced and maintained when the electric overload temperature protector is damaged, so that the manual reset overload temperature protector is provided.
Disclosure of Invention
The utility model aims to provide a manual reset overload temperature protector, which aims to solve the problems that the existing overload temperature protector can automatically reset along with the reduction of temperature after an automatic circuit is disconnected, does not have a long-time lasting power-off function, is inconvenient to install and detach in the use process, and can not be replaced and maintained conveniently and rapidly when the electric overload temperature protector is damaged.
In order to achieve the above purpose, the present utility model provides the following technical solutions: manual overload temperature protector that resets, including shell and fixed plate, the fixed plate is placed the back lateral wall of shell, the first spring of inner chamber top fixedly connected with of shell, the bottom fixedly connected with connecting plate of first spring, the top fixedly connected with push rod of connecting plate, push rod's top runs through the shell and extends to the top of shell, the department fixedly connected with insulating piece in the middle of the bottom of connecting plate, the inner chamber right side wall fixedly connected with thermistor of shell, the draw-in groove has been seted up to the lateral wall about the shell.
As a further description of the above technical solution:
the right side of the bottom of the inner cavity of the shell is fixedly connected with a first static contact block, the bottom of the first static contact block is fixedly connected with a first wiring piece, and the bottom end of the first wiring piece penetrates through the shell and extends to the bottom of the shell.
As a further description of the above technical solution:
the bottom left side fixedly connected with second static contact piece of inner chamber bottom of shell, the bottom fixedly connected with second wiring piece of second static contact piece, the bottom of second wiring piece runs through the shell and extends to the bottom of shell.
As a further description of the above technical solution:
the top fixedly connected with bimetallic strip of second quiet contact piece, the bottom right side fixedly connected with first movable contact piece of bimetallic strip, the top right side fixedly connected with second movable contact piece of bimetallic strip.
As a further description of the above technical solution:
the front side wall left and right sides fixedly connected with mounting panel of fixed plate, the left and right sides wall fixedly connected with second spring of mounting panel, the terminal fixedly connected with fly leaf of second spring.
As a further description of the above technical solution:
the left side wall and the right side wall of the movable plate are fixedly connected with pull rings, the inner side wall of the movable plate is fixedly connected with a bolt, and the tail end of the bolt penetrates through the mounting plate and extends to the inner side wall of the mounting plate, and is inserted into the inner cavity of the clamping groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. this manual overload temperature protector that resets, when the high temperature that produces through the overload, make bimetallic strip take place to bend on the high temperature state, then make first movable contact piece and first quiet contact piece separate, reach the effect of cutting off the power, simultaneously, through the bending of bimetallic strip, make second movable contact piece and thermistor contact, then make thermistor work, work through thermistor and produce high temperature, make bimetallic strip continuously heated, with the state of keeping first movable contact piece and first quiet contact piece separation, finally through the manual work unloading overload, and press the depression bar, make the insulating block push down bimetallic strip, and then make second movable contact piece and thermistor separate, make thermistor stop producing high temperature, and bimetallic strip cooling resumes the original state, make first movable contact piece and first quiet contact piece contact again, thereby make overload temperature protector can have lasting outage function.
2. This manual overload temperature protector that resets is through to both sides pull ring for the fly leaf drives the second spring extension and bolt removes, through the removal of bolt, makes the bolt end remove from the draw-in groove, then alright pull down overload temperature protector fast, and during the installation, through loosening the pull ring, makes the second spring rebound drive the fly leaf to middle foling, and then makes the bolt end peg graft again in the draw-in groove, can install overload temperature protector, thereby makes overload temperature protector can convenient and fast carry out the dismouting.
Drawings
Fig. 1 is a schematic perspective view of a manual reset overload temperature protector according to the present utility model;
fig. 2 is a schematic diagram of a front view structure of a manual reset overload temperature protector according to the present utility model;
FIG. 3 is a schematic diagram of a front cross-sectional view of a manual reset overload temperature protector according to the present utility model;
fig. 4 is a schematic top view of a manual reset overload temperature protector according to the present utility model.
In the figure: 100. a housing; 110. a first spring; 120. a connecting plate; 130. pressing a pressing rod; 140. an insulating block; 150. a thermistor; 160. a clamping groove; 170. a first stationary contact block; 171. a first wire connecting piece; 180. a second stationary contact block; 181. a second wire connecting piece; 190. bimetallic strips; 191. a first movable contact block; 192. a second movable contact block; 200. a fixing plate; 210. a mounting plate; 220. a second spring; 230. a movable plate; 240. a pull ring; 250. a bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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 be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a manual reset overload temperature protector, which enables the overload temperature protector to have a lasting power-off function and to be conveniently and quickly disassembled and assembled, referring to fig. 1-4, and comprises a shell 100 and a fixing plate 200;
referring to fig. 1 to 4 again, a first spring 110 is fixedly connected to the top of the inner cavity of the housing 100, the first spring 110 is used for rebounding the connecting plate 120, the bottom end of the first spring 110 is fixedly connected with the connecting plate 120, the connecting plate 120 is used for installing a pressing rod 130 and an insulating block 140, the top of the connecting plate 120 is fixedly connected with the pressing rod 130, the top end of the pressing rod 130 penetrates through the housing 100 and extends to the top of the housing 100, the pressing rod 130 is used for driving the insulating block 140 to move, the insulating block 140 is fixedly connected to the middle of the bottom of the connecting plate 120, the insulating block 140 is used for pressing the bimetal 190, the right side wall of the inner cavity of the housing 100 is fixedly connected with a thermistor 150, the thermistor 150 is used for generating high temperature, the left side wall and the right side wall of the housing 100 are provided with clamping grooves 160, the clamping grooves 160 are used for inserting bolts 250, and the insulating block 140 is pressed by pressing the pressing rod 130;
referring again to fig. 1 to 4, a fixing plate 200 is disposed at a rear sidewall of the housing 100, the fixing plate 200 being for fixing to a wall;
in summary, the overload temperature protector is enabled to have a permanent power-off function.
Referring to fig. 1-3, a first static contact block 170 is fixedly connected to the right side of the bottom of the inner cavity of the housing 100, a first wire connecting member 171 is fixedly connected to the bottom of the first static contact block 170, and the bottom end of the first wire connecting member 171 penetrates the housing 100 and extends to the bottom of the housing 100, so that an electric wire can be connected through the first wire connecting member 171.
Referring to fig. 1-3 again, a second static contact block 180 is fixedly connected to the left side of the bottom of the inner cavity of the housing 100, a second wire connecting member 181 is fixedly connected to the bottom of the second static contact block 180, and the bottom end of the second wire connecting member 181 penetrates through the housing 100 and extends to the bottom of the housing 100, and wires can be connected through the second wire connecting member 181.
Referring to fig. 3, a bimetal 190 is fixedly connected to the top of the second stationary contact block 180, a first movable contact block 191 is fixedly connected to the right side of the bottom of the bimetal 190, and a second movable contact block 192 is fixedly connected to the right side of the top of the bimetal 190, and the bimetal 190 can be bent at a high temperature.
Referring to fig. 1 to 4 again, the mounting plate 210 is fixedly connected to the left and right sides of the front sidewall of the fixing plate 200, the second springs 220 are fixedly connected to the left and right sidewalls of the mounting plate 210, the movable plate 230 is fixedly connected to the end of the second springs 220, and the movable plate 230 can be rebounded by the second springs 220.
Referring to fig. 1 to 4 again, the left and right side walls of the movable plate 230 are fixedly connected with pull rings 240, the inner side wall of the movable plate 230 is fixedly connected with a latch 250, and the end of the latch 250 penetrates through the mounting plate 210 and extends to the inner side wall of the mounting plate 210, and is inserted into the inner cavity of the clamping groove 160, so that the housing 100 can be locked by the latch 250.
In conclusion, the overload temperature protector can be conveniently and quickly disassembled and assembled.
In specific use, the electrical wires are firstly connected to the first wire connecting member 171 and the second wire connecting member 181, then inserted into the clamping groove 160 through the plug 250, so that the manual reset overload temperature protector is fixed on the fixed plate 200, when the circuit is overloaded, the bimetallic strip 190 bends, so that the first movable contact block 191 is separated from the first static contact block 170, the second movable contact block 192 contacts with the thermistor 150, then the thermistor 150 works, a high temperature is generated through the operation of the thermistor 150, so that the bimetallic strip 190 is kept in a bending state, then when the overload is removed from the circuit, the insulating block 140 is pressed downwards by pressing the pressing rod 130, so that the second movable contact block 192 is separated from the thermistor 150, the thermistor 150 stops generating a high temperature, and the bimetallic strip 190 is cooled and restored to be original state, so that the first movable contact block 191 is in contact with the first static contact block 170, finally, when the manual reset temperature protector needs to be replaced, the movable plate 230 drives the second spring 220 to be pulled down, and the plug 250 can be moved from the clamping groove 160 rapidly.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. Manual reset overload temperature protector, its characterized in that: including shell (100) and fixed plate (200), fixed plate (200) are placed the back lateral wall of shell (100), the inner chamber top fixedly connected with first spring (110) of shell (100), the bottom fixedly connected with connecting plate (120) of first spring (110), the top fixedly connected with of connecting plate (120) presses pole (130), the top of pressing pole (130) runs through shell (100) and extends to the top of shell (100), department fixedly connected with insulating block (140) in the middle of the bottom of connecting plate (120), inner chamber right side wall fixedly connected with thermistor (150) of shell (100), draw-in groove (160) have been seted up to the left and right sides wall of shell (100).
2. The manual reset overload temperature protector of claim 1, wherein: the right side of the bottom of the inner cavity of the shell (100) is fixedly connected with a first static contact block (170), the bottom of the first static contact block (170) is fixedly connected with a first wiring piece (171), and the bottom end of the first wiring piece (171) penetrates through the shell (100) and extends to the bottom of the shell (100).
3. The manual reset overload temperature protector of claim 1, wherein: the inner cavity bottom left side fixedly connected with second static contact piece (180) of shell (100), the bottom fixedly connected with second wiring piece (181) of second static contact piece (180), the bottom of second wiring piece (181) runs through shell (100) and extends to the bottom of shell (100).
4. A manual reset overload temperature protector as claimed in claim 3 wherein: the top fixedly connected with bimetallic strip (190) of second quiet contact block (180), the bottom right side fixedly connected with first movable contact block (191) of bimetallic strip (190), the top right side fixedly connected with second movable contact block (192) of bimetallic strip (190).
5. The manual reset overload temperature protector of claim 1, wherein: the front side wall left and right sides fixedly connected with mounting panel (210) of fixed plate (200), the left and right sides wall fixedly connected with second spring (220) of mounting panel (210), the end fixedly connected with fly leaf (230) of second spring (220).
6. The manual reset overload temperature protector of claim 5, wherein: the left side wall and the right side wall of the movable plate (230) are fixedly connected with pull rings (240), the inner side wall of the movable plate (230) is fixedly connected with a plug pin (250), and the tail end of the plug pin (250) penetrates through the mounting plate (210) and extends to the inner side wall of the mounting plate (210) and is inserted into the inner cavity of the clamping groove (160).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681342.5U CN220306166U (en) | 2023-06-29 | 2023-06-29 | Manual reset overload temperature protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681342.5U CN220306166U (en) | 2023-06-29 | 2023-06-29 | Manual reset overload temperature protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306166U true CN220306166U (en) | 2024-01-05 |
Family
ID=89375902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321681342.5U Active CN220306166U (en) | 2023-06-29 | 2023-06-29 | Manual reset overload temperature protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306166U (en) |
-
2023
- 2023-06-29 CN CN202321681342.5U patent/CN220306166U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |