CN210984624U - Temperature protector - Google Patents
Temperature protector Download PDFInfo
- Publication number
- CN210984624U CN210984624U CN201922469265.7U CN201922469265U CN210984624U CN 210984624 U CN210984624 U CN 210984624U CN 201922469265 U CN201922469265 U CN 201922469265U CN 210984624 U CN210984624 U CN 210984624U
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- CN
- China
- Prior art keywords
- movable contact
- fixed seat
- contact piece
- bimetallic strip
- static contact
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a temperature protector, include: the device comprises a fixed seat (1), wherein an installation platform (102) is arranged at the upper part of the fixed seat (1), and a hollowed installation cavity (101) is formed between the installation platform (102) and the bottom of the fixed seat (1); a static contact piece (2) is arranged in the installation cavity (101), and a static contact (3) is arranged at the end part of the static contact piece (2); a bimetallic strip (4) is arranged on the mounting table (102), a movable contact piece (5) is arranged above the bimetallic strip (4), and a movable contact (6) is arranged at the end part of the movable contact piece (5); one end of the movable contact piece (5) is tightly attached to the bimetallic strip (4), the other end of the movable contact piece (5) is folded upwards and provided with a bulge (51), and the bulge (51) is positioned above the bimetallic strip (4). The contact place of the movable contact and the fixed contact is far away from the fixed seat body, and the fixed seat is made of plastic in general due to the fact that the fixed seat needs to be insulated, so that the broken electric arc of the movable contact and the fixed contact is far away from the fixed seat, and the fixed seat is prevented from being burnt and melted.
Description
Technical Field
The utility model relates to a protector, concretely relates to temperature protector.
Background
The electric heating appliances in the household appliance industry have requirements on safety protectors, and with the increase of high-power small household appliances, the electric heating appliances have the requirements on small installation size, high overcurrent capacity, long service life and the like of heater protectors. The protector in the prior art can not meet the requirement of electric service life, and the temperature controller structure of the invention aims to solve the problem of electric service life. When the protector inserts the circuit, protector response element back under the effect of heat effect, the sudden change upset directly pushes away and drives the movable contact spring and produce the displacement for the movable contact, with the stationary contact separation, thereby the circuit return circuit cuts off, after the last heat of response element dispels, response element can automatic re-setting resume, thereby the circuit return circuit is put through in the contact of two contacts, above be current protector theory of operation. In the existing structure, the contact of the temperature protector is positioned at the position close to the plastic insulating seat (for fixing) on the right side, so that the plastic insulating seat is easily burnt out by high temperature caused by electric arc generated when the contact is opened and closed, and the metal conductor is easily heated by the electric arc generated when the contact is opened and closed, so that the plastic insulating seat is also burnt out.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a temperature protector.
The technical scheme of the utility model as follows:
a temperature protector, comprising:
the device comprises a fixed seat (1), wherein an installation platform (102) is arranged at the upper part of the fixed seat (1), and a hollowed installation cavity (101) is formed between the installation platform (102) and the bottom of the fixed seat (1);
a static contact piece (2) is arranged in the installation cavity (101), and a static contact (3) is arranged at the end part of the static contact piece (2);
a bimetallic strip (4) is arranged on the mounting table (102), a movable contact piece (5) is arranged above the bimetallic strip (4), and a movable contact (6) is arranged at the end part of the movable contact piece (5);
one end of the movable contact piece (5) is tightly attached to the bimetallic strip (4), the other end of the movable contact piece (5) is folded upwards and provided with a bulge (51), and the bulge (51) is positioned above the bimetallic strip (4);
the fixing seat is characterized by further comprising a pressing plate (7) and an installation fixing block (8), wherein the pressing plate (7) is provided with a pressing claw (701), and the pressing claw (701) is clamped and installed on the side groove (103) of the fixing seat (1); the mounting fixing block (8) is mounted above the pressing plate (7) and clamped on the fixing seat (1).
Further, the static contact piece (2) is connected with a second lead (92), and the movable contact piece (5) is connected with a first lead (91).
Furthermore, the fixing seat (1) is made of insulating plastics.
Further, the pressing plate (7) is made of a metal sheet.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the contact place of the movable contact and the fixed contact is far away from the fixed seat body, and the fixed seat is made of plastic in general due to the fact that the fixed seat needs to be insulated, so that the broken electric arc of the movable contact and the fixed contact is far away from the fixed seat, and the fixed seat is prevented from being burnt and melted.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a side view of the present invention;
fig. 2 is a bottom view of the present invention;
fig. 3 is a side sectional view of the present invention;
fig. 4 is a perspective exploded view of the present invention;
fig. 5 is a perspective view of the fixing base of the present invention;
fig. 6 is a schematic perspective view of the pressing plate of the present invention;
fig. 7 is a schematic perspective view of the mounting block of the present invention;
fig. 8 is a schematic perspective view of the movable contact spring of the present invention;
in the figure:
1-a fixed seat; 101-a mounting cavity; 102-a mounting table; 103-side groove; 104-end grooves;
2-static contact piece; 3, static contact; 4-bimetallic strip; 5-moving contact piece; 51-a bump; 6-moving contact; 7-pressing a plate; 8, mounting a fixed block; 801-a first engagement block; 802-a second block; 9-a wire; 91-a first conductive line; 92-second conductor.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1-8, a temperature protector according to a preferred embodiment of the present invention includes:
the fixing seat 1 is made of insulating plastics.
The upper portion of the fixed seat 1 is provided with an installation platform 102, a hollowed installation cavity 101 is formed between the installation platform 102 and the bottom of the fixed seat 1, two side grooves 103 are respectively arranged on two side surfaces of the left end of the fixed seat 1, an end groove 104 is arranged at the end portion of the left end, vertical blocks higher than the plane of the side grooves 103 and the end groove 104 are arranged on the fixed seat 1, and the side grooves 103 and the end groove 104 are formed between the vertical blocks.
The installation cavity 101 is internally provided with a static contact 2, the end part of the static contact 2 is provided with a static contact 3, the static contact 2 is installed in the installation cavity 101 after the installation, and the part of the static contact located in the fixed seat 1 is in an insulated state. The part of the fixed seat 1, which is provided with the static contact piece 2 and is positioned on the static contact 3, is a hollow part.
A bimetallic strip 4 is arranged on the mounting table 102, a movable contact strip 5 is arranged above the bimetallic strip 4, and a movable contact 6 is arranged at the end part of the movable contact strip 5; one end of the movable contact piece 5 is tightly attached to the bimetallic strip 4, the other end of the movable contact piece 5 is folded upwards and provided with a bulge 51, and the bulge 51 is positioned above the bimetallic strip 4.
The pressing plate 7 is provided with a pressing claw 701, the pressing claw 701 is clamped and mounted on the side groove 103 of the fixing seat 1 and extends to the ground of the mounting fixing block 8, the pressing plate 7 is made of a metal sheet, the pressing plate 7 is originally in a flat shape when the pressing plate 7 is specifically mounted, the pressing claw 701 and the pressing plate 7 are located on the same plane, the pressing plate 7 is placed on the mounting fixing block 8 and located above the movable contact piece 5 when the pressing plate 7 is mounted, the pressing claw 701 is located in the side groove 103 at the moment, and after the pressing claw 701 is bent, the movable contact piece and the bimetallic strip can be fixed.
The fixing block 8 is mounted above the pressing plate 7 and clamped to the fixing seat 1, specifically, a second clamping block 802 is arranged on the side surface of the fixing block 8, a first clamping block 801 is arranged on the end surface of the fixing block 8, when the fixing block is specifically clamped and mounted, the first clamping block 801 is clamped into the end groove 104, and the second clamping block 802 is clamped into the side groove 103.
Said static contact 2 is connected to a second conductor 92 and said moving contact 5 is connected to a first conductor 91.
The working principle of the utility model is as follows:
the energizing path of the device is as follows, the second lead → the static contact → the moving contact → the first lead.
The protection principle of the device is as follows, when the internal temperature rises, the bimetallic strip deforms, and the protrusion 51 is flicked to separate the movable contact strip from the static contact strip, so that the temperature protection is realized.
The contact place of the movable contact and the fixed contact is far away from the fixed seat body, and the fixed seat is made of plastic in general due to the fact that the fixed seat needs to be insulated, so that the broken electric arc of the movable contact and the fixed contact is far away from the fixed seat, and the fixed seat is prevented from being burnt and melted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A temperature protector, comprising:
the device comprises a fixed seat (1), wherein an installation platform (102) is arranged at the upper part of the fixed seat (1), and a hollowed installation cavity (101) is formed between the installation platform (102) and the bottom of the fixed seat (1);
a static contact piece (2) is arranged in the installation cavity (101), and a static contact (3) is arranged at the end part of the static contact piece (2);
a bimetallic strip (4) is arranged on the mounting table (102), a movable contact piece (5) is arranged above the bimetallic strip (4), and a movable contact (6) is arranged at the end part of the movable contact piece (5);
one end of the movable contact piece (5) is tightly attached to the bimetallic strip (4), the other end of the movable contact piece (5) is folded upwards and provided with a bulge (51), and the bulge (51) is positioned above the bimetallic strip (4);
the fixing seat is characterized by further comprising a pressing plate (7) and an installation fixing block (8), wherein the pressing plate (7) is provided with a pressing claw (701), and the pressing claw (701) is clamped and installed on the side groove (103) of the fixing seat (1); the mounting fixing block (8) is mounted above the pressing plate (7) and clamped on the fixing seat (1).
2. A temperature protector according to claim 1, wherein: the static contact piece (2) is connected with a second lead (92), and the movable contact piece (5) is connected with a first lead (91).
3. A temperature protector according to claim 1, wherein: the fixing seat (1) is made of insulating plastics.
4. A temperature protector according to claim 1, wherein: the pressing plate (7) is made of a metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922469265.7U CN210984624U (en) | 2019-12-31 | 2019-12-31 | Temperature protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922469265.7U CN210984624U (en) | 2019-12-31 | 2019-12-31 | Temperature protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210984624U true CN210984624U (en) | 2020-07-10 |
Family
ID=71446692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922469265.7U Active CN210984624U (en) | 2019-12-31 | 2019-12-31 | Temperature protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210984624U (en) |
-
2019
- 2019-12-31 CN CN201922469265.7U patent/CN210984624U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |