CN208240552U - A kind of contact device of disconnecting switch conduction plug-in strip - Google Patents
A kind of contact device of disconnecting switch conduction plug-in strip Download PDFInfo
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- CN208240552U CN208240552U CN201820915074.1U CN201820915074U CN208240552U CN 208240552 U CN208240552 U CN 208240552U CN 201820915074 U CN201820915074 U CN 201820915074U CN 208240552 U CN208240552 U CN 208240552U
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- contact
- face
- disconnecting switch
- rectangular portion
- switch conduction
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Abstract
The utility model discloses a kind of contact devices of disconnecting switch conduction plug-in strip, it include: contact assembly and fingertip component, the contact assembly includes contact supporting and contact, contact supporting includes rectangular portion and the integrally formed interconnecting piece of first end face with rectangular portion, contact is fixed in the second end face of the contact supporting rectangular portion, the first end face is parallel with the second end face, and the width of the contact is more than or equal to the width of the second end face of the contact supporting rectangular portion；The fingertip component includes convex bracket and is successively fixed at the contact and leaf spring of convex boss two sides, the difference of vertical range between the width of the contact and two contacts is equal to 3mm, and the material of the contact is chromium-bronze band QCr0.5-0.2-0.1.The utility model realizes the close contact of contact in contact and fingertip component, can guarantee that contact and touching pole sheet pressure in fingertip component are normal, to improve the reliability of disconnecting switch.
Description
Technical field
The utility model relates to disconnecting switch technical field, in particular to the contact of a kind of disconnecting switch conduction plug-in strip fills
It sets.
Background technique
Disconnecting switch is to play buffer action in circuit using a kind of extensive circuit element in high-voltage switch electric appliance.?
When operation, usually by three-phase synchronous operation, and in order to allow contact and fingertip to contact, it is generally the case that so that the width of contact side
Greater than fingertip side width 2-3mm, in this way, conductive plug-in strip can to touch when closing a floodgate by the pressure that the deformation of 2-3mm generates
Finger and contact.
Disconnecting switch in the prior art generallys use outer pressing spring or the interior deformation for drawing spring to generate obtains pressure,
So that contact and fingertip contact.
But disconnecting switch is usually outdoor products, is chronically exposed to the area that temperature and humidity is larger, pH value is abnormal, and spring
Material be usually manganese steel perhaps other steel springs be chronically exposed to it is outdoor be easy failure or fracture corrosion etc., to make
It obtains no pressure or pressure between contact and fingertip to weaken, reduces the reliability of disconnecting switch.
Summary of the invention
In view of this, the present invention provides a kind of contact device of disconnecting switch conduction plug-in strip, realize contact with
The close contact of contact in fingertip component, can guarantee contact and in fingertip component touch pole sheet pressure it is normal, thus improve every
Leave the reliability of pass.
The utility model is solved the above problems by following technological means:
The contact device of a kind of disconnecting switch conduction plug-in strip of the utility model, comprising: contact assembly and fingertip component, institute
Stating contact assembly includes contact supporting and contact, and the contact supporting includes rectangular portion and the first end face one with the rectangular portion
Body formed interconnecting piece, the contact are fixed in the second end face of the contact supporting rectangular portion, the first end face and institute
State that second end face is parallel, and the width of the contact is more than or equal to the width of the second end face of the contact supporting rectangular portion；Institute
Contact and leaf spring that fingertip component includes convex bracket and is successively fixed at convex boss two sides are stated, it is described
The difference of vertical range between the width of contact and two contacts is equal to 3mm, and the material of the contact is chromium-bronze band
QCr0.5-0.2-0.1。
Further, the contact is equipped with guide plate far from one end of the convex boss.
Further, the leaf spring includes surface plate and arc panel, and one end of the arc panel is connect with the surface plate, institute
The other end of arc panel is stated to being externally provided with flange, and the lug boss of the arc panel is far from the contact.
Further, silver-plated on the contact pad part, the silver layer with a thickness of 20 μm.
Further, the leaf spring is spring steel plate, spring steel plate outer surface insulation processing.
A kind of contact device of disconnecting switch conduction plug-in strip of the utility model has the advantages that
The utility model provides a kind of contact device of disconnecting switch conduction plug-in strip, including contact assembly and fingertip group
Part, wherein fingertip component includes the contact and leaf spring that convex boss two sides are arranged in, and contact assembly includes that setting is being touched
Contact on head bracket, the difference of the vertical range between the width of contact and two contacts is equal to 3mm, and contact is green using chromium
Copper strips QCr0.5-0.2-0.1 is made, since chromium-bronze band QCr0.5-0.2-0.1 has good heat resistance and corrosion resistance, together
When intensity and hardness with higher, electric conductivity and thermal conductivity are good, therefore when contact and contact pad, by chromium-bronze band
Contact deformation made of QCr0.5-0.2-0.1 generates pressure, enables to contact and contact pad in fingertip component close, and
The setting of leaf spring can move forward the deformation of contact, prevent the deformation of contact from all concentrating on the fixed bit of contact Yu convex bracket
Place is set, the close contact of contact in contact and fingertip component is realized；In addition, due to by chromium-bronze band QCr0.5-0.2-0.1 system
At contact have good corrosion resistance, therefore, when disconnecting switch is chronically exposed to, outdoor temperature and humidity is larger, pH value is abnormal
When regional, contact will not be corroded, and can guarantee that contact and touching pole sheet pressure in fingertip component are normal, to improve isolation
The reliability of switch.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural schematic diagram of the contact device of disconnecting switch conduction plug-in strip of the utility model；
Fig. 2 is a kind of structural schematic diagram of fingertip of the utility model；
Fig. 3 is a kind of structural schematic diagram of contact of the utility model.
Specific embodiment
The utility model is described in detail below with reference to attached drawing, as shown in Figure 1 to Figure 3: one kind of the present embodiment
The contact device of disconnecting switch conduction plug-in strip includes: contact assembly and fingertip component, and the contact assembly includes 1 He of contact supporting
Contact 2, the contact supporting 1 include rectangular portion 11 and the integrally formed interconnecting piece 12 of first end face with the rectangular portion 11,
The contact 2 is fixed in the second end face of 1 rectangular portion 11 of contact supporting, and the first end face and the second end face are flat
Row, and the width of the contact 2 is more than or equal to the width of the second end face of 1 rectangular portion 11 of contact supporting；The fingertip group
Part includes convex bracket 3 and is successively fixed at the contact 4 and leaf spring 5 of the 3 lug boss two sides of convex bracket, the contact
The difference of vertical range between 2 width and two contacts 4 is equal to 3mm, and the material of the contact 4 is chromium-bronze band
QCr0.5-0.2-0.1。
It should be noted that in actual use, as shown in Figure 1, by the interconnecting piece of contact supporting 1 and the fixed company of contact arm 6
It connects, the convex bracket 3 of fingertip component is fixedly connected with fingertip arm 7.
It should be noted that contact 2 is bolted in the second end face of 1 rectangular portion 11 of contact supporting, 4 He of contact
Leaf spring 5 is fixed at 3 lug boss of convex bracket also by bolt.
As a further improvement of the above technical scheme, the contact 4 is set far from one end of 3 lug boss of convex bracket
There is guide plate 41.
Specifically, guide plate 41 play the guiding role, contact 2 is enabled to move downwardly to suitable position in leading for guide plate 41
Place is set, realizes the contact of contact 2 and contact 4 in fingertip component.
It should be noted that guide plate 41 is integrally formed with contact 4.
In the present embodiment, the leaf spring 5 includes surface plate 51 and arc panel 52, and one end of the arc panel 52 is put down with described
Panel 51 connects, and the other end of the arc panel 52 is to being externally provided with flange 53, and the lug boss of the arc panel 52 is far from described
Contact 4.
It should be noted that surface plate 51, arc panel 52 and flange 53 are integrally formed.
It should be noted that leaf spring 5 can also be other structures, the utility model is without limitation.
As a further improvement of the above technical scheme, be coated with silver on the contact 4, the silver with a thickness of 20 μm.
Wherein, silver-plated is to prevent the contact surface of contact 4 and air from aoxidizing.
In the present embodiment, the leaf spring 5 is spring steel plate.
The utility model provides a kind of contact device of disconnecting switch conduction plug-in strip, including contact assembly and fingertip group
Part, wherein fingertip component includes the contact 4 and leaf spring 5 that 3 lug boss two sides of convex bracket are arranged in, and contact assembly includes setting
Contact 2 on contact supporting 1, the difference of the vertical range between the width of contact 2 and two contacts 4 are equal to 3mm, and contact
4 using chromium-bronze band QCr0.5-0.2-0.1 be made, due to chromium-bronze band QCr0.5-0.2-0.1 have good heat resistance and
Corrosion resistance, while intensity with higher and hardness, electric conductivity and thermal conductivity are good, therefore when contact 2 and contact 4 contact, by
4 deformation of contact made of chromium-bronze band QCr0.5-0.2-0.1 generates pressure, enables to contact 4 in contact 2 and fingertip component
Contact is close, and the setting of leaf spring 5 can move forward the deformation of contact 4, prevent the deformation of contact 4 all concentrate on contact 4 and
The fixed position of convex bracket 3 realizes the close contact of contact 4 in contact 2 and fingertip component；In addition, due to by chromium blueness
Contact 4 made of copper strips QCr0.5-0.2-0.1 has good corrosion resistance, therefore, when disconnecting switch is chronically exposed to outdoor temperature
When the area that humidity is larger, pH value is abnormal, contact 4 will not be corroded, and can guarantee contact 4 in contact 2 and fingertip component
Between pressure it is normal, to improve the reliability of disconnecting switch.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of contact device of disconnecting switch conduction plug-in strip, it is characterised in that: it include: contact assembly and fingertip component, it is described
Contact assembly includes contact supporting and contact, and the contact supporting includes rectangular portion and the first end face one with the rectangular portion
Molding interconnecting piece, the contact are fixed in the second end face of the contact supporting rectangular portion, the first end face with it is described
Second end face is parallel, and the width of the contact is more than or equal to the width of the second end face of the contact supporting rectangular portion；
The fingertip component includes convex bracket and is successively fixed at the contact and piece of convex boss two sides
Spring, the difference of the vertical range between the width of the contact and two contacts are equal to 3mm, and the material of the contact is chromium
Bronze band QCr0.5-0.2-0.1.
2. a kind of contact device of disconnecting switch conduction plug-in strip according to claim 1, it is characterised in that: the contact is remote
One end from the convex boss is equipped with guide plate.
3. a kind of contact device of disconnecting switch conduction plug-in strip according to claim 1, it is characterised in that: the leaf spring packet
Surface plate and arc panel are included, one end of the arc panel is connect with the surface plate, and the other end of the arc panel is to being externally provided with
Flange, and the lug boss of the arc panel is far from the contact.
4. a kind of contact device of disconnecting switch conduction plug-in strip according to claim 3, it is characterised in that: on the contact
Be coated with silver, the silver with a thickness of 20 μm.
5. a kind of contact device of disconnecting switch conduction plug-in strip according to claim 1, it is characterised in that: the leaf spring is
Spring steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820915074.1U CN208240552U (en) | 2018-06-13 | 2018-06-13 | A kind of contact device of disconnecting switch conduction plug-in strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820915074.1U CN208240552U (en) | 2018-06-13 | 2018-06-13 | A kind of contact device of disconnecting switch conduction plug-in strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240552U true CN208240552U (en) | 2018-12-14 |
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ID=64576751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820915074.1U Active CN208240552U (en) | 2018-06-13 | 2018-06-13 | A kind of contact device of disconnecting switch conduction plug-in strip |
Country Status (1)
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|---|---|
| CN (1) | CN208240552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919929A (en) * | 2022-05-09 | 2022-08-19 | 贵州水利水电职业技术学院 | Automatic change and link up pay-off equipment |
-
2018
- 2018-06-13 CN CN201820915074.1U patent/CN208240552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919929A (en) * | 2022-05-09 | 2022-08-19 | 贵州水利水电职业技术学院 | Automatic change and link up pay-off equipment |
| CN114919929B (en) * | 2022-05-09 | 2024-02-13 | 贵州水利水电职业技术学院 | Automatic change link up with pay-off equipment |
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