CN202134439U - Knife switch with chimb - Google Patents
Knife switch with chimb Download PDFInfo
- Publication number
- CN202134439U CN202134439U CN201120224126U CN201120224126U CN202134439U CN 202134439 U CN202134439 U CN 202134439U CN 201120224126 U CN201120224126 U CN 201120224126U CN 201120224126 U CN201120224126 U CN 201120224126U CN 202134439 U CN202134439 U CN 202134439U
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- CN
- China
- Prior art keywords
- contact
- knife
- chimb
- reeds
- contact knife
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
A knife switch with a chimb comprises a base plate, a handle, a touching knife, a touching knife support, an inlet wire wiring assembly, an outlet wiring assembly and a protective cover. The outlet wiring assembly comprises a lug and a lead fastening rack sleeved on the lug; the inlet wire wiring assembly comprises another lead fastening rack, a connection sheet and a contact; the touching knife support and the lug are an integrated structure; the contact and the connection sheet are an integrated structure; reeds are respectively arranged on two opposite planes at an inner side of the opening of the contact; the reeds are projected opposite to each other; the reeds incline towards the direction of the touching knife support and the reeds are parallel with the touching knife at a closing moment; a slot for accommodating the touching knife is arranged on the base plate; the number of the slot matches that of the touching knife; reeds are respectively arranged on two opposite planes at an inner side of the opening of the contact; the reeds are projected opposite to each other; the reeds incline towards the direction of the touching knife support and the reeds are parallel with the touching knife at a closing moment; and a contact chimb is arranged at an inner side of the contact. Protection and spacing effects on the contact are realized through the chimb and the reeds of the knife switch with a chimb.
Description
Technical field
The utility model belongs to the technical field of electronics, relates to a kind of knife switch, specifically, is a kind of knife switch that has chimb.
Background technology
Knife switch is a kind of more common electronic devices and components, is widely used in production and the life.Knife switch is claimed knife switch or isolating switch again, and it is a most simple and practical a kind of low-voltage electrical apparatus.Knife switch generally comprises: compositions such as (insulation) base, blade, tool rest and Bakelite Cover.
Knife switch is used as the switch of insulating power supply usually, so that can overhaul or change fuse safely to electric equipment.Knife switch also can be used as the mains switch of line-start motor.When selecting plug-in strip for use, three times of the about Daewoo of the rated current of knife switch motor rated current.According to the blade number what, knife switch divides one pole (hilted broadsword), bipolar (double-pole), three utmost points (three cuttves).
Existing commercially available knife switch generally includes: base (ceramic wafer), handle, contact knife, contact knife support, inlet wire connector assembly, outlet connector assembly, and protective cover.Inlet wire connector assembly, outlet connector assembly are separately fixed at the two ends of ceramic wafer; The contact knife support is fixed on the base middle part, and contact knife is hinged on the contact knife frame for one section, and the contact knife frame bottom is fixed on the ceramic wafer middle part; Contact knife one end is hinged on the contact knife support, and the contact knife frame bottom is through the screw lug plate.The outlet connector assembly comprises: on lug plate and the lug plate, the cross section is the lead fastening frame that the degree of lip-rounding is provided with housing pin.The inlet wire connector assembly comprises: the contact that lead fastening frame, brace and cross section are triangular in shape substantially and step up at the top.This knife switch complex structure, manufacturing cost height, plug-in strip is whole heavy and frangible, and heating is big, easy initiating failure, influence is produced.Usually base has a big groove, and when contact knife closed a floodgate, big groove had the danger of electric shock.
The utility model content
The purpose of the utility model is, a kind of knife switch that has chimb is provided, to overcome the above-mentioned shortcoming and defect of existing in prior technology.
The technical problem of the required solution of the utility model, can realize through following technical scheme:
A kind of knife switch that has chimb comprises base plate, handle, contact knife, contact knife support, inlet wire connector assembly, outlet connector assembly and protective cover, and the outlet connector assembly comprises: lug plate and be enclosed within the lead fastening frame on the lug plate; The inlet wire connector assembly comprises another lead fastening frame, brace and contact, and said contact knife support and lug plate are structure as a whole, and by T font copper sheet both wings is rolled in the same way mutually to form the contact knife support, and the centre of T font copper sheet vertically part constitutes lug plate; Said contact and brace are similarly integrative-structure, and also the centre by T font copper sheet vertically partly constitutes brace, and the opening part of said contact respectively is provided with reed on inboard two relative planes; Reed protrudes against each other, and said reed tilts to the contact knife holder orientation, and is parallel with the contact knife of closing moment; Said base plate is provided with the groove that holds contact knife, and the quantity of said groove and the quantity of contact knife are complementary, and it is characterized in that; The opening part of said contact respectively is provided with reed on inboard two relative planes; Reed protrudes against each other, and said reed tilts to the contact knife holder orientation, and is parallel with the contact knife of closing moment; Said contact inboard is provided with the contact chimb.
Wherein, the quantity of said contact knife is 2, and the quantity of said groove is 2.
Wherein, the quantity of said contact knife is 3, and the quantity of said groove is 3.
The beneficial effect of the utility model:
The height of chimb can be higher than contact, and then chimb has further increased the contact knife contact area, and the both sides of chimb are provided with reed.Chimb and reed play a protective role to contact, also contact knife are played spacing effect simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the partial structurtes sketch map of the utility model.
Fig. 3 is the partial structurtes sketch map of the utility model.
Fig. 4 is the partial structurtes sketch map of the utility model.
Fig. 5 is the partial structurtes sketch map of the utility model.
Fig. 6 is the partial structurtes sketch map of the utility model.
Fig. 7 is the vertical view of Fig. 6.
Description of drawings:
Base plate 1, handle 2, contact knife 3, contact knife support 4, inlet wire connector assembly, outlet connector assembly, protective cover 5, lug plate 6, lead fastening frame 7, lead fastening frame 71, brace 8, contact 9, reed 10, groove 11, chimb 91.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.Should be understood that following examples only are used to the utility model is described but not the scope that is used to limit the utility model.
Embodiment 1
A kind of knife switch that has chimb; Shown in Fig. 1-4, comprise base plate 1, handle 2, contact knife 3, contact knife support 4, inlet wire connector assembly, outlet connector assembly and protective cover 5, lug plate 6, lead fastening frame 7, lead fastening frame 71, brace 8, contact 9, reed 10.
As shown in Figure 5, base 1 adopts nonconductive material rectangularity structure, and the centre is provided with two grooves 11, and the quantity of the quantity of groove 11 and contact knife 3 is complementary.Present embodiment, the quantity of said contact knife 3 are 3, and the quantity of groove 11 is 3.A handle 2 is arranged above 3 contact knifes 3.
In another embodiment, the quantity of contact knife 3 also is 2.Then the quantity of groove 11 is 2.A handle 2 is arranged above 2 contact knifes 3.
The outlet connector assembly comprises: lug plate 6 and be enclosed within the lead fastening frame 7 on the lug plate 6.
The inlet wire connector assembly comprises another lead fastening frame 71, brace 8 and contact 9, and contact knife support 4 is structure as a whole with lug plate 6, by T font copper sheet both wings is rolled in the same way mutually to form contact knife support 4, and the centre of T font copper sheet vertically part constitutes lug plate 6.
Like Fig. 6 and shown in Figure 7, Fig. 6 is the structural representation of contact 9, and Fig. 7 is the vertical view of Fig. 6, and contact 9 inboards are provided with contact chimb 91.The height of chimb 91 can be higher than contact 9, and then chimb 91 has further increased contact knife 3 contacts area, and the both sides of chimb 91 are provided with reed 10.Chimb 91 and reed 10 play a protective role to contact 9, also contact knife 3 are played spacing effect simultaneously.
Reed 10 slightly tilts to contact knife support 4 directions, is provided with the groove 11 that holds contact knife 3 with the contact knife 3 parallel said base plates 1 of closing moment.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.
Claims (3)
1. knife switch that has chimb; Comprise base plate (1), handle (2), contact knife (3), contact knife support (4), inlet wire connector assembly, outlet connector assembly and protective cover (5), the outlet connector assembly comprises: lug plate (6) and be enclosed within the lead fastening frame (7) on the lug plate (6); The inlet wire connector assembly comprises another lead fastening frame (71), brace (8) and contact (9); Said contact knife support (4) is structure as a whole with lug plate (6); By T font copper sheet with both wings in the same way mutually folding forms contact knife support (4), the centre of T font copper sheet vertically partly constitutes lug plate (6); Said contact (9) is similarly integrative-structure with brace (8), and also the centre by T font copper sheet vertically partly constitutes brace (8), and said base plate (1) is provided with the groove that holds contact knife (3); The quantity of the quantity of said groove and contact knife (3) is complementary; It is characterized in that the opening part of said contact (9) respectively is provided with reed (10) on inboard two relative planes, reed (10) protrudes against each other; Said reed (10) tilts to contact knife support (4) direction, and is parallel with the contact knife (3) of closing moment; Said contact (9) inboard is provided with contact chimb (91).
2. knife switch according to claim 1 is characterized in that, the quantity of said contact knife (3) is 2, and the quantity of said groove is 2.
3. knife switch according to claim 1 is characterized in that, the quantity of said contact knife (3) is 3, and the quantity of said groove is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224126U CN202134439U (en) | 2011-06-28 | 2011-06-28 | Knife switch with chimb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120224126U CN202134439U (en) | 2011-06-28 | 2011-06-28 | Knife switch with chimb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202134439U true CN202134439U (en) | 2012-02-01 |
Family
ID=45523201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120224126U Expired - Fee Related CN202134439U (en) | 2011-06-28 | 2011-06-28 | Knife switch with chimb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202134439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300227A (en) * | 2021-06-08 | 2021-08-24 | 江苏澄暨阳电力设备有限公司 | Low-voltage switchgear with protective structure |
-
2011
- 2011-06-28 CN CN201120224126U patent/CN202134439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300227A (en) * | 2021-06-08 | 2021-08-24 | 江苏澄暨阳电力设备有限公司 | Low-voltage switchgear with protective structure |
| CN113300227B (en) * | 2021-06-08 | 2024-03-29 | 江苏澄暨阳电力设备有限公司 | Low-voltage switchgear with protection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |