CN201490119U - Integrated breaker base - Google Patents
Integrated breaker base Download PDFInfo
- Publication number
- CN201490119U CN201490119U CN2009201902110U CN200920190211U CN201490119U CN 201490119 U CN201490119 U CN 201490119U CN 2009201902110 U CN2009201902110 U CN 2009201902110U CN 200920190211 U CN200920190211 U CN 200920190211U CN 201490119 U CN201490119 U CN 201490119U
- Authority
- CN
- China
- Prior art keywords
- support
- base plate
- circuit breaker
- fixed contact
- integral type
- 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 - Lifetime
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Abstract
The utility model discloses an integrated breaker base, which comprises a base plate, an insulator arranged on the back of the base plate, and a support and a subplate arranged on the base plate; the base plate is provided with mounting slotted holes for accommodating a static contact and a bus; the subplate is used for supporting the static contact; the support is provided with a moving contact hinged with the support; at least one of the isolator, the support and the subplate is integrated with the base plate into a whole through hot-melt pressing; a ring protrusion on the inner wall of the support forms a washer which is positioned at the hinged position of the support and the moving contact; a strip protrusion on the inner wall of the support forms a reinforcing rib which is positioned under the washer; and the base plate is embedded with a nut which is directly buried in the base plate when the base plate is pressed. The integrated breaker base is formed by integral injection molding of the insulator, the support, the subplate and the base plate, so the assembly is convenient, the production efficiency is greatly improved, metallic materials and fasteners can be saved, the production cost is reduced, and the integrated breaker base has good market prospect.
Description
Technical field:
The utility model relates to a kind of pedestal that is used to install circuit breaker, a kind of specifically integral type pedestal that is used for the DW15-630 circuit breaker.
Background technology:
Circuit breaker pedestal on the market substantially all is split type, with DW15-630 circuit breaker pedestal is example, its support, insulating part etc. all need to link to each other with base plate by grafting or securing member ways of connecting, when needing on the pedestal moving contact and fixed contact are installed, also need to install additional backing plate, packing ring etc., also want manual simultaneously nut is embedded in the insulating part.This circuit breaker not only assembly process is loaded down with trivial details, inefficiency, and mounted product stability is poor, throws off easily, and because manual operations can not guarantee the depth of parallelism of support, therefore has influence on the height consistency of moving contact and fixed contact contact wire easily.It is far away that the existing circuit breaker pedestal is used to install between the installation slotted eye of fixed contact and bus and the backing plate distance, therefore fixed contact and bus and to be installed in the length of the insulating cover on the moving contact longer, because fixed contact and bus are to make with precious metals such as copper, silver, so the production cost of circuit breaker pedestal just improves a lot relatively.Patent Office of the People's Republic of China's disclosed application number on December 31st, 2008 is " the omnipotent breaker pedestal " of " 200820084226.4 ", it is mainly used in the circuit breaker of DW15-2500, it includes base body and support, described support includes biside plate and at least one intermediate plate constitutes the position that holds two groups of contact systems at least, described base body and support are all thermosets, and the two is wholely set.It just makes one with support and base body simply, still needs by connecting with securing member after installing backing plate, packing ring additional comparatively inconvenience to be installed when miscellaneous part is installed.
The utility model content:
The purpose of this utility model is at the defective of above-mentioned prior art and deficiency, provides for people provide a kind of circuit breaker that a kind of assembling is simple, cost is low, the pedestal of stable performance.
Technical solution adopted in the utility model is for achieving the above object: this integral type circuit breaker pedestal comprises base plate, is installed on the insulating part at the base plate back side, and be installed on support and backing plate on the base plate, offer the installation slotted eye that is used to install fixed contact and bus on the base plate, described backing plate is used to support fixed contact, the moving contact hinged with support is installed on support, has at least the compacting of parts and base plate one hot melt to form in described insulating part, support and the backing plate.
Described insulating part, support and backing plate all form with the compacting of base plate one hot melt.
The inwall annulus projection of described support forms packing ring, and this packing ring is positioned at the hinged place of support and moving contact.
The inwall strip projection of described support forms reinforcement, and this reinforcement is positioned at the below of packing ring.
Be embedded with nut on the described base plate, this nut directly buries when the compacting base plate and is loaded in the base plate.
The sidewall of described installation slotted eye and backing plate is near, the length that has shortened fixed contact, bus and be installed in the insulating cover on the fixed contact.
Described fixed contact links to each other with the strip connecting plate that offers screwed hole by screw with bus.
Insulating part of the present utility model, support and backing plate all process with the injection moulding of base plate one, and the packing ring of rack inner wall annular projection formation, can remove the use of most of securing member from, make assembling very convenient, improved production efficiency greatly, and good stability of products, phenomenon can not appear throwing off, guaranteed the depth of parallelism of support simultaneously, made moving contact consistent with the height of fixed contact contact wire.Since install slotted eye and backing plate near, can shorten the length of fixed contact and bus, not only reduce cost, and can reduce temperature rise.The design of the strip connecting plate that fixed contact and bus junction are with threaded hole has also reduced assembly difficulty to a certain extent.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model fixed contact and bus structure schematic diagram.
Embodiment:
As shown in Figure 1, the utility model is a kind of integral type circuit breaker pedestal, it comprises base plate 1, at the back side of base plate 1 insulating part 2 is installed, be embedded with nut 6 on this base plate 2, nut 6 directly directly buries when compacting base plate 1 and is loaded in the base plate 1, need not to place by manual again, and can not drop.Offer the installation slotted eye 4 that is used for one to three installation fixed contact 7 and bus 9 on the described base plate 1, above installation slotted eye 4, be provided with the backing plate 3 that is used to support fixed contact 7.The sidewall of described installation slotted eye 4 and backing plate 3 near, so length that has shortened fixed contact 7, bus 9 greatly and be installed in the insulating cover 10 on the fixed contact 7, because fixed contact 7 and bus 9 are to make with precious metals such as copper, silver, not only can reduce cost behind the contraction in length, and the path of having shortened the electric current process simultaneously, temperature rise is reduced.One to three support 5 relative with slotted eye 4 is installed is installed on base plate 1, this support 5 is used to install the moving contact hinged with support 5, the inwall annulus projection of support 5 forms packing ring 5.1, and this packing ring 5.1 is positioned at the hinged place of support 5 and moving contact, can remove from installing packing ring additional when moving contact is installed.The inwall strip projection of described support 5 forms reinforcement 5.2, and this reinforcement 5.2 is positioned at the below of packing ring 5.1, makes support 5 be not easy distortion, prolongs its useful life.Have at least the compacting of parts and base plate 1 one hot melt to form in the utility model in insulating part 2, support 5 and the backing plate 3, certainly preferably insulating part 2, support 5 and backing plate 3 all form with the compacting of base plate 1 one hot melt, can shorten the time of assembling so greatly, can remove simultaneously the use of most of securing member from, reduce cost, make structure more stable firmly simultaneously, support 5 is suppressed the depth of parallelism that has also guaranteed support 5 with base plate 1 one, makes moving contact consistent with the height of fixed contact 7 contact-making surfaces.
As shown in Figure 2, described fixed contact 7 links to each other with the strip connecting plate 8 that offers screwed hole 8.1 by screw with bus 9, replace plain nut by strip connecting plate 8, when installation or removal, because strip connecting plate 8 can not rotate,, need not to prevent that by pliers nut from rotating therefore as long as sidespin moves screw outside, reduce assembly difficulty, saved installation time.
Claims (7)
1. integral type circuit breaker pedestal, it comprises base plate (1), is installed on the insulating part (2) at base plate (1) back side, and be installed on support (5) and backing plate (3) on the base plate (1), also offer the installation slotted eye (4) that is used to install fixed contact (7) and bus (9) on the base plate (1), described backing plate (3) is used to support fixed contact (7), on support (5), be equipped with and the hinged moving contact of support (5), it is characterized in that having at least in described insulating part (2), support (5) and the backing plate (3) compacting of parts and base plate (1) one hot melt to form.
2. integral type circuit breaker pedestal according to claim 1 is characterized in that described insulating part (2), support (5) and backing plate (3) all form with the compacting of base plate (1) one hot melt.
3. integral type circuit breaker pedestal according to claim 1 and 2 is characterized in that the inwall annulus projection of described support (5) forms packing ring (5.1), and this packing ring (5.1) is positioned at the hinged place of support (5) and moving contact.
4. integral type circuit breaker pedestal according to claim 3 is characterized in that the inwall strip projection of described support (5) forms reinforcement (5.2), and this reinforcement (5.2) is positioned at the below of packing ring (5.1).
5. integral type circuit breaker pedestal according to claim 1 and 2 is characterized in that being embedded with on the described base plate (1) nut (6), and this nut (6) directly buries when compacting base plate (1) and is loaded in the base plate (1).
6. integral type circuit breaker pedestal according to claim 1 and 2, the sidewall that it is characterized in that described installation slotted eye (4) and backing plate (3) is near, the length that has shortened fixed contact (7), bus (9) and be installed in the insulating cover (10) on the fixed contact (7).
7. integral type circuit breaker pedestal according to claim 6 is characterized in that described fixed contact (7) links to each other with the strip connecting plate (8) that offers screwed hole (8.1) by screw with bus (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201902110U CN201490119U (en) | 2009-07-31 | 2009-07-31 | Integrated breaker base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201902110U CN201490119U (en) | 2009-07-31 | 2009-07-31 | Integrated breaker base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490119U true CN201490119U (en) | 2010-05-26 |
Family
ID=42428987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201902110U Expired - Lifetime CN201490119U (en) | 2009-07-31 | 2009-07-31 | Integrated breaker base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201490119U (en) |
-
2009
- 2009-07-31 CN CN2009201902110U patent/CN201490119U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |
|
| CX01 | Expiry of patent term |