CN214428587U - Electric leakage test button piece - Google Patents
Electric leakage test button piece Download PDFInfo
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- CN214428587U CN214428587U CN202120941240.7U CN202120941240U CN214428587U CN 214428587 U CN214428587 U CN 214428587U CN 202120941240 U CN202120941240 U CN 202120941240U CN 214428587 U CN214428587 U CN 214428587U
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- contact site
- insulator
- right contact
- contact part
- contact
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Abstract
The utility model relates to a leakage test button piece, including left contact site, right contact site and insulator, left side contact site and right contact site structure are the same and the symmetry sets up, left side contact site is including connecting portion, flexion and the supporting part that sets gradually, one side fixed connection of the connecting portion of left side contact site and insulator, the opposite side at the insulator is established to right side contact site symmetry, the vertical dead slot that is equipped with two intervals and sets up on the flexion, three flexure strips are separated into with the flexion to the dead slot, and wherein a middle flexure strip is left contact piece and the crooked setting of right contact site of orientation, and two flexure strips set up for left flexure strip and one side bending of keeping away from right contact site, be equipped with the right contact piece corresponding with left contact piece on the right contact site. The utility model has the advantages that: the elastic device has good elastic performance and resetting capability, can be pressed and bent for a plurality of times for a long time, and effectively prolongs the service life.
Description
Technical Field
The utility model relates to an accessory technical field of electric leakage circuit breaker, in particular to electric leakage test button piece.
Background
With the deep understanding of our country on electricity utilization and the requirement of our country's electric power system, the earth leakage circuit breaker is an indispensable protective circuit breaker in our lives; the test button device of the residual current circuit breaker is definitely specified in the installation and use specification GB13955 of the residual current circuit breaker and must be pressed once a month to ensure whether the leakage function of the residual current circuit breaker is normal or not, so that the requirements of long service life, accuracy, reliability, large electrical clearance and the like of the test button device of the residual current circuit breaker are required.
The conventional test button device generally includes two contact pieces and a button, the two contact pieces are electrically connected to other components in the earth leakage breaker, and one of the contact pieces is bent to contact the other contact piece by pressing the button, so that the circuit is conducted and an earth leakage signal is generated. However, the contact sheet is likely to break after long-term use and bending, and thus has a short service life.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide an electric leakage test button piece to solve above-mentioned problem.
The technical scheme of the utility model is realized like this: the utility model provides a leakage test button piece, includes left contact site, right contact site and insulator, left side contact site and right contact site structure are the same and the symmetry sets up, left side contact site is including connecting portion, flexion and the supporting part that sets gradually, one side fixed connection of the connecting portion of left side contact site and insulator, the opposite side at the insulator is established to right side contact site symmetry, the vertical dead slot that is equipped with two intervals and sets up on the flexion, three flexure strips are separated into with the flexion to the dead slot, and wherein an flexure strip of centre is left contact piece and the crooked setting of right contact site of orientation, and two flexure strips set up for left flexure strip and the crooked setting in one side of keeping away from right contact site of orientation, be equipped with the right contact piece corresponding with left contact piece on the right contact site, the interval sets up between left side contact piece and the right contact piece.
By adopting the technical scheme, the left contact part and the right contact part are fixedly arranged in the shell of the leakage circuit breaker through the supporting parts, the supporting parts are electrically connected with other elements in the leakage circuit breaker, the insulator is not conductive, the left contact piece and the right contact piece are further bent by pressing the insulator, the left contact piece and the right contact piece are close to each other and are contacted, so that a circuit is conducted, a leakage signal is generated, and after the insulator is loosened, the left contact piece and the right contact piece are separated and disconnected through resetting of the three elastic pieces; the elastic device has good elastic performance and resetting capability, can be pressed and bent for a plurality of times for a long time, and effectively prolongs the service life.
The utility model discloses further set up to: and the two sides of the insulator are respectively provided with a connecting groove for inserting and connecting the connecting parts of the left contact part and the right contact part, and the connecting parts are fixedly connected with the connecting grooves.
By adopting the technical scheme, the connection between the connecting part and the insulator is more stable and firm, and the service life is effectively prolonged.
The utility model discloses further set up to: connecting portion and supporting part all "L" style of calligraphy set up, connecting portion on left side contact site and the right contact site are close to the setting each other, the supporting part on left side contact site and the right contact site is kept away from the setting each other.
Through adopting above-mentioned technical scheme, the supporting part can be effectual supports the contact site, makes the flexion when receiving pressure bending, the steady state of holding.
The utility model discloses further set up to: the button shaft is fixed on the upper side of the insulator, and the insulator and the button shaft are both made of hard insulating non-conducting materials.
Through adopting above-mentioned technical scheme, drive the insulator through pressing the button axle and push down, use convenience, safety more.
The utility model discloses further set up to: the left contact portion and the right contact portion are arranged in a unified manner.
By adopting the technical scheme, the processing can be realized by processing the whole metal sheet and then bending and forming, so that the manufacturing cost is greatly reduced.
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 structural diagram of an embodiment of the present invention.
Fig. 2 is a left side view of the structure of the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a button sheet for leakage test, comprising a left contact part 1, a right contact part 2 and an insulator 3, wherein the left contact part 1 and the right contact part 2 are of the same structure and are symmetrically arranged, the left contact part 1 comprises a connecting part 4, a bending part 5 and a supporting part 6 which are sequentially arranged, the connecting part 4 of the left contact part 1 is fixedly connected with one side of the insulator 3, the right contact part 2 is symmetrically arranged at the other side of the insulator 3, two empty slots 7 which are arranged at intervals are vertically arranged on the bending part 5, the bending part 5 is divided into three elastic sheets by the empty slots 7, wherein one elastic sheet in the middle is a left contact sheet 8 which is arranged in a bending way towards the right contact part 2, the other two elastic sheets are a left bending sheet 9 which is arranged in a bending way towards one side far away from the right contact part 2, a right contact sheet 10 corresponding to the left contact sheet 8 is arranged on the right contact part 2, the left contact piece 8 and the right contact piece 10 are arranged at intervals.
By adopting the technical scheme, the left contact part and the right contact part are fixedly arranged in the shell of the leakage circuit breaker through the supporting parts, the supporting parts are electrically connected with other elements in the leakage circuit breaker, the insulator is not conductive, the left contact piece and the right contact piece are further bent by pressing the insulator, the left contact piece and the right contact piece are close to each other and are contacted, so that a circuit is conducted, a leakage signal is generated, and after the insulator is loosened, the left contact piece and the right contact piece are separated and disconnected through resetting of the three elastic pieces; the elastic device has good elastic performance and resetting capability, can be pressed and bent for a plurality of times for a long time, and effectively prolongs the service life.
In the embodiment of the present invention, the two sides of the insulator 3 are respectively provided with a connecting groove 11 for inserting and connecting the connecting portion 4 of the left contact portion 1 and the right contact portion 2, and the connecting portion 4 is fixedly connected with the connecting groove 11.
By adopting the technical scheme, the connection between the connecting part and the insulator is more stable and firm, and the service life is effectively prolonged.
In the embodiment of the present invention, the connecting portion 4 and the supporting portion 6 are all arranged in an "L" shape, the connecting portion 4 on the left contact portion 1 and the right contact portion 2 are arranged close to each other, and the supporting portion 6 on the left contact portion 1 and the right contact portion 2 are arranged away from each other.
Through adopting above-mentioned technical scheme, the supporting part can be effectual supports the contact site, makes the flexion when receiving pressure bending, the steady state of holding.
In the embodiment of the present invention, the upper side of the insulator 3 is fixed with the button shaft 12, and the insulator 3 and the button shaft 12 are made of hard insulating non-conductive material.
Through adopting above-mentioned technical scheme, drive the insulator through pressing the button axle and push down, use convenience, safety more.
In the embodiment of the present invention, the left contact portion 1 and the right contact portion 2 are disposed in a unified manner.
By adopting the technical scheme, the processing can be realized by processing the whole metal sheet and then bending and forming, so that the manufacturing cost is greatly reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A leakage test button sheet is characterized in that: the novel contact structure comprises a left contact part (1), a right contact part (2) and an insulator (3), wherein the left contact part (1) and the right contact part (2) are identical in structure and are symmetrically arranged, the left contact part (1) comprises a connecting part (4), a bending part (5) and a supporting part (6) which are sequentially arranged, the connecting part (4) of the left contact part (1) is fixedly connected with one side of the insulator (3), the right contact part (2) is symmetrically arranged at the other side of the insulator (3), two empty grooves (7) which are arranged at intervals are vertically arranged on the bending part (5), the empty grooves (7) separate the bending part (5) into three elastic sheets, one elastic sheet in the middle is a left bending sheet (8) and is arranged towards the right contact part (2) in a bending way, the other two elastic sheets are arranged towards one side far away from the right contact part (2) for the left bending sheet (9), the right contact part (2) is provided with a right contact piece (10) corresponding to the left contact piece (8), and the left contact piece (8) and the right contact piece (10) are arranged at intervals.
2. A leakage test button sheet according to claim 1, wherein: the insulating body (3) is provided with connecting grooves (11) for inserting and connecting the connecting parts (4) of the left contact part (1) and the right contact part (2) on two sides respectively, and the connecting parts (4) are fixedly connected with the connecting grooves (11).
3. A leakage test button sheet according to claim 1, wherein: connecting portion (4) and supporting part (6) all "L" style of calligraphy set up, connecting portion (4) on left side contact site (1) and the right side contact site (2) are close to the setting each other, supporting part (6) on left side contact site (1) and the right side contact site (2) are kept away from the setting each other.
4. A leakage test button sheet according to claim 1, wherein: the button shaft (12) is fixed on the upper side of the insulator (3), and the insulator (3) and the button shaft (12) are both made of hard insulating non-conductive materials.
5. A leakage test button sheet according to claim 1, wherein: the left contact part (1) and the right contact part (2) are arranged in a unified manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120941240.7U CN214428587U (en) | 2021-04-30 | 2021-04-30 | Electric leakage test button piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120941240.7U CN214428587U (en) | 2021-04-30 | 2021-04-30 | Electric leakage test button piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214428587U true CN214428587U (en) | 2021-10-19 |
Family
ID=78076368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120941240.7U Active CN214428587U (en) | 2021-04-30 | 2021-04-30 | Electric leakage test button piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214428587U (en) |
-
2021
- 2021-04-30 CN CN202120941240.7U patent/CN214428587U/en active Active
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| GR01 | Patent grant | ||
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