CN204480926U - Be easy to the dual-power transfer switch assembled - Google Patents
Be easy to the dual-power transfer switch assembled Download PDFInfo
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- CN204480926U CN204480926U CN201520076527.2U CN201520076527U CN204480926U CN 204480926 U CN204480926 U CN 204480926U CN 201520076527 U CN201520076527 U CN 201520076527U CN 204480926 U CN204480926 U CN 204480926U
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- circuit breaker
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- easy
- transfer switch
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Abstract
A kind of dual-power transfer switch being easy to assemble, comprise mounting base, two circuit breakers and electric transmissio mechanism, two described circuit breakers are fixed on mounting base, be provided with the installing hole of insert nut in each circuit breaker is equipped with, described electric transmissio mechanism is provided with the second through hole that permission second standard screws is passed; Second standard screws is fixedly connected through the nut bore of the insert nut in installing hole corresponding with on circuit breaker after the second through hole on motor-operating mechanism, and is fixed on by motor-operating mechanism on two circuit breakers.The utility model has the advantage of accurate positioning, assembling fast, significantly can reduce manufacturing cost and enhance productivity, and being convenient to Automated assembly operation, and the assembling high accuracy of transmission mechanism can be obtained.
Description
Technical field
The utility model relates to a kind of dual-power transfer switch electrical equipment, particularly relates to the quick mounting structure of its transmission mechanism, belongs to low-voltage electrical apparatus manufacturing technology field.
Background technology
Dual-power transfer switch is a kind of conventional low-tension switch electric appliance, be widely used in the occasion that smelting, chemical industry, hospital, government bodies etc. require uninterrupted power supply, when conventional power failure or when having a power failure, power supply is automatically switched to stand-by power supply by dual-power transfer switch, to ensure normal power supply.Along with the fast development of economic society, require to adopt the occasion supplied power with double circuit to get more and more, but, there is the problem of assembly technology complexity in existing dual-power transfer switch, the particularly assembling difficulty of its transmission mechanism, thus be difficult to realize extensive automatic assembling, production efficiency is low, and production cost is high.Transmission mechanism is the basic device of the electrical source exchange function realizing automatic change-over, existing transmission mechanism adopts and is fixed on by double threaded screw the fixed structure performed on switch, specifically: double threaded screw one is screw feature, other end is nut feature, the part of its screw feature is for being fixed on mounting base by execution switch, and transmission mechanism is fixed in the part of nut feature of double threaded screw.This double threaded screw manufacturing cost is high, and batch machining difficulty is high.Another fixed form of existing transmission mechanism adopts long spiro nail fixed structure, specifically: adopt long spiro nail to perform the installing hole of switch through the fixing hole of transmission mechanism, conventional side and prepped side, then connect with the screwed hole on mounting base, thus transmission mechanism is fixed on mounting base together with execution switch.The assembly difficulty of this long spiro nail fixed structure is high, efficiency of assembling is low, and skew easily appears in transmission mechanism.
Summary of the invention
In order to overcome the defect of prior art, the purpose of this utility model is to provide a kind of dual-power transfer switch being easy to assemble, and not only accurate positioning, assembling are quick, and cost is low.
To achieve these goals, the utility model have employed following technical scheme:
A kind of dual-power transfer switch being easy to assemble, comprise mounting base 1, two circuit breakers 2 and electric transmissio mechanism 3, two described circuit breakers 2 are fixed on mounting base 1, be provided with the installing hole 22 of insert nut 20 in each circuit breaker 2 is equipped with, described electric transmissio mechanism 3 is provided with the second through hole 31 that permission second standard screws 4 is passed; Second standard screws 4 is fixedly connected through the nut bore 203 of the insert nut 20 in installing hole 22 corresponding with on circuit breaker 2 after the second through hole 31 on electric transmissio mechanism 3, and is fixed on two circuit breakers 2 by electric transmissio mechanism 3.
Further, described each circuit breaker 2 is equipped with the first through hole 21 that multiple permission first standard screws 5 is passed, after described mounting base 1 is provided with each first through hole 21 that multiple screw 11, first standard screws 5 is each passed through on each circuit breaker 2, the screw 11 corresponding with on mounting base 1 is fixedly connected.
Further, on the isolation bar 23 between two terminations 24 that each first through hole 21 on described each circuit breaker 2 is arranged on each circuit breaker 2.
Further, on the isolation bar 23 between two terminations 24 that the installing hole 22 on described each circuit breaker 2 is arranged on each circuit breaker 2.
Further, the installing hole 22 on described each circuit breaker 2 is positioned at the inner side of the first described through hole 21.
Further, described insert nut 20 is combined into by two thick sections 201 and a thin segment 202, and its profile is I shape post, and described thin segment 202 is between two described thick sections 201.
Further, the profile of described insert nut 20 is yi word pattern post.
Further, described installing hole 22 comprises the small-bore section 22a being provided with the insert nut 20 and large aperture section 22b that can hold head of screw, and the external diameter of described insert nut 20 is greater than the aperture of the small-bore section 22a of described installing hole 22.
Further, the nut bore 203 of described insert nut 20 is provided with the chamfering conical surface 204 guided.
Further, described small-bore section 22a is positioned on the base of circuit breaker, and large aperture section 22b is positioned on the cover plate of circuit breaker.
The dual-power transfer switch being easy to assemble of the present utility model is by arranging insert nut on-board the circuit breaker, circuit breaker is fixed on mounting base, the structure of to be fixed by electric transmissio mechanism is on-board the circuit breaker connected again by standard screws and insert nut, advantage is accurate positioning, assembling fast, significantly can reduce manufacturing cost and enhance productivity, and be convenient to Automated assembly operation, and the assembling high accuracy of transmission mechanism can be obtained.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view being easy to the internal structure of the dual-power transfer switch assembled of the present utility model, and the profile of the insert nut shown in Fig. 1 have employed yi word pattern post.
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the switch shown in Fig. 1.
Fig. 3 is the schematic perspective view being easy to the partial structurtes of the dual-power transfer switch assembled of the present utility model, and the profile of the insert nut shown in Fig. 3 have employed I shape post.
Embodiment
Below in conjunction with the embodiment that Fig. 1 to Fig. 3 provides, further illustrate the embodiment being easy to the dual-power transfer switch assembled of the present utility model, can more clearly find out advantage of the present utility model and feature from the description of accompanying drawing illustrated embodiment.
See Fig. 1, the dual-power transfer switch being easy to assemble of the present utility model comprises mounting base 1, two circuit breakers 2 and electric transmissio mechanism 3, multiple first standard screws 5 and multiple second standard screws 4, in two circuit breakers 2, one is used as the circuit breaker of conventional power supply, a circuit breaker as stand-by power supply.As shown in Figure 2, two circuit breakers 2 are fixed on mounting base 1 with the first standard screws 5 front respectively, electric transmissio mechanism 3 is directly fixed on the insert nut 20 of the pedestal of circuit breaker 2, that is, the support of electric transmissio mechanism 3 is directly separately fixed on two circuit breakers 2 by each second standard screws 4.Specifically, described mounting base 1 is provided with multiple screw 11, two circuit breakers 2 are respectively equipped with multiple first through hole 21 and multiple installing hole 22, insert nut 20 is provided with in each installing hole 22, each screw 11 after each first standard screws 5 is each passed through each corresponding first through hole 21 on two circuit breakers 2 and on mounting base 1 is fixedly connected, and is separately fixed on mounting base 1 by two circuit breakers 2.Described electric transmissio mechanism 3 is provided with multiple second through hole 31, the nut bore 203 of the insert nut 20 after each second standard screws 4 is each passed through each corresponding second through hole 31 on electric transmissio mechanism 3 and in each installing hole 22 of circuit breaker 2 is fixedly connected, and is fixed on two circuit breakers 2 by electric transmissio mechanism 3.Certainly, the dual-power transfer switch being easy to assemble of the present utility model also comprises other parts realizing twin-power switch translation function, but because these parts all can adopt known structure pattern, and the utility model relates generally to is mounting base 1, fixed connection structure between circuit breaker 2 and electric transmissio mechanism 3 three, therefore for saving length, the description of other parts incoherent of draw bail therewith and structure is omitted here.Electric transmissio mechanism is fixed on-board the circuit breaker by dual-power transfer switch of the present utility model, but not be fixed on mounting base, not only accurate positioning, assembling fast, and are convenient to Automated assembly operation, significantly can reduce manufacturing cost and enhance productivity.
See Fig. 3, in two circuit breakers 2, each pedestal (in figure not mark separately) is provided with multiple termination 24, the pedestal of circuit breaker also must be provided with multiple muscle, comprising the isolation bar 23 between the termination of two as shown in Figure 1,3 24, should understand, be arranged on multiple first through hole 21 on each circuit breaker 2 and multiple installing hole 22 is be arranged on the pedestal of circuit breaker 2 naturally, two described circuit breakers 2 are separately fixed on mounting base 1, are directly fixed on mounting base 1 by the pedestal of two circuit breakers 2 exactly.Electric transmissio mechanism 3 has a support (in figure not mark separately), and described electric transmissio mechanism 3 is fixed on and two circuit breakers 2 just refer to directly is fixed on the pedestal of circuit breaker 2 by the support of electric transmissio mechanism 3.Obviously, such structure has the following advantages: the first, because the first standard screws 5, multiple second standard screws 4 and insert nut 20 are easy to automatic mass production and cheap, therefore significantly can reduce manufacturing cost; Second, because being fixedly connected between two circuit breakers 2 and mounting base 1, being fixedly connected between electric transmissio mechanism 3 and two circuit breakers 2 all have employed the structure of the screw attachment being easy to Automated assembly operation on streamline, therefore production efficiency can be increased substantially; 3rd, the condition of assembly equipment can be utilized simultaneously, mounting base 1, two circuit breakers 2, the positioning precision of electric transmissio mechanism 3 three and the reliability that is fixedly connected can be guaranteed very well, thus improve the quality of product, reduce the repair rate in assembling and setting technique.
The concrete structure of the first through hole 21 on each circuit breaker 2 and the screw 11 on mounting base 1, any one can be adopted to coordinate with the first standard screws 5 form realizing screw and be fixedly connected, screw 11 thread connection after namely the first standard screws 5 can pass the first through hole 21 and on mounting base 1, to realize the form be fixed on by circuit breaker 2 on mounting base 1.The positional structure of the first through hole 21 on each circuit breaker 2 can have multiple implementation, a kind of preferred mode as shown in Figure 1 to Figure 3, on the isolation bar 23 between two terminations 24 that the first described through hole 21 is arranged on circuit breaker 2.Obviously, this positional structure, can make each circuit breaker 2 reliable, be securely fixed in mounting base 1, the structure of the first through hole 21 can be made again can not to have influence on other structure of circuit breaker 2, also can not affect the performance of circuit breaker 2 because arranging multiple first through hole 21.
The concrete structure of the installing hole 22 on each circuit breaker 2, any one can be adopted to embed and fix insert nut 20 and can coordinate with the second standard screws 4 form realizing screw and be fixedly connected, the second namely described standard screws 4 can through after installing hole 22 and be fixed on the form of nut bore 203 thread connection of the insert nut 20 in installing hole 22.Insert nut 20 embeds and the implementation be fixed in installing hole 22 has multiple, a kind of preferred mode is as shown in Fig. 1 to figure three, the aperture that described installing hole 22 comprises the small-bore section 22a being provided with insert nut 20 and the large aperture section 22b that can hold head of screw, the small-bore section 22a of described installing hole 22 is less than the external diameter of insert nut 20.Small-bore section 22a is positioned on the base of circuit breaker, and large aperture section 22b is positioned on the cover plate of circuit breaker, also can be fixed the connection of circuit breaker base and cover plate by the second standard screws 4 further.Small-bore section 22a is used for the second standard screws 4 and passes, second standard screws 4 through after the section 22a of small-bore with nut bore 203 thread connection of insert nut 20, aperture due to small-bore section 22a is less than the external diameter of insert nut 20, and the end face (not shown) that therefore small-bore section 22a contacts with insert nut 20 plays the effect of the axial location limiting insert nut 20.Should understand, the external diameter of insert nut 20 coordinates with installing hole 22 naturally, this cooperation natural energy realizes the external diameter of insert nut 20 and being fixedly connected of installing hole 22, this is fixedly connected and not only defines the radial position of insert nut 20, also can limit the axial location of insert nut 20 simultaneously.The external diameter of insert nut 20 and installing hole 22 to coordinate mounting means to have multiple.A preferred mode structure as depicted in figs. 1 and 2, it both can adopt the press-fit approach of interference fit, also can adopt the mounting means that injection moulding embeds.Another kind of preferred mode structure as shown in Figure 3, can be suitable for the mounting means that injection moulding embeds.Here " press-fit approach of interference fit " just to refer to when the pedestal of injection mo(u)lding circuit breaker 2 and first shapingly processes installing hole 22, and then insert nut 20 is pressed in installing hole 22, for this mode, the profile of requirement insert nut 20 is yi word pattern post (see shape shown in Fig. 1 and Fig. 2), certainly, the outer contour shape of the cross section (namely perpendicular to the cross section of the axis of nut bore 203) of described yi word pattern post can be circular, also can be polygon (hexagon as conventional).Here " injection moulding mounting means " just refers to that, when the pedestal of injection mo(u)lding circuit breaker 2, not only processing and forming goes out installing hole 22, and is embedded in installing hole 22 by insert nut 20 simultaneously, and obviously its advantage is, increases press-loading process without the need to adopting.Under the mounting means adopting injection moulding to embed, the profile of insert nut 20 can design as required, yi word pattern post as depicted in figs. 1 and 2 or the I shape post shown in Fig. 3.See Fig. 3, the profile of insert nut 20 is I shape post, and it is combined into by two thick sections 201 and a thin segment 202, and described thin segment 202 is between two thick sections 201.Because when injection mo(u)lding, injection article can be injected into outside the thin segment 202 between two thick sections 201, therefore can strengthen the intensity that is fixedly connected of insert nut 20 in installing hole 22 further, the position stability of insert nut 20 in installing hole 22 can also be strengthened simultaneously.
The positional structure of described installing hole 22 on each circuit breaker 2 can have multiple implementation, a kind of preferred mode as shown in Figure 1 to Figure 3: on the isolation bar 23 between two terminations 24 that described installing hole 22 is arranged on circuit breaker 2; Described installing hole 22 is positioned at the inner side of the first through hole 21.Obviously, installing hole 22 is arranged on the positional structure on isolation bar 23, can make electric transmissio mechanism 3 reliable, be securely fixed on circuit breaker 2, the structure of installing hole 22 can be made again can not to have influence on other structure of circuit breaker 2, also can not affect the performance of circuit breaker 2 because arranging multiple installing hole 22.Described installing hole 22 is positioned at the inner side of the first through hole 21, just refer to the center of installing hole 22 to the first through hole 21 closer to circuit breaker 2, first through hole 21 is than the edge of installing hole 22 closer to circuit breaker 2 in other words, the advantage of this structure is, the assembling of circuit breaker 2 and the assembling of electric transmissio mechanism 3 can be facilitated, be also conducive to the integral structure layout optimizing dual-power transfer switch.
Install with the thread connection of insert nut 20 to further facilitate the second standard screws 4, a kind of preferred mode as shown in Figure 3, is provided with the chamfering conical surface 204 guided in the nut bore 203 of described insert nut 20.After the second standard screws 4 is through the small-bore section 22a of installing hole 22, the head of bootable second standard screws 4 of the chamfering conical surface 204 enters nut bore 203 automatically.
Although describe the utility model in conjunction with specific embodiment of the present utility model, other variants and modifications many and purposes are all apparent to those skilled in the art.Therefore, preferably, the utility model is not limited by specific disclosure herein, but is limited by appended claims.
Claims (10)
1. one kind is easy to the dual-power transfer switch of assembling, comprise mounting base (1), two circuit breakers (2) and electric transmissio mechanism (3), it is characterized in that: two described circuit breakers (2) are fixed on mounting base (1), be provided with the installing hole (22) of insert nut (20) in each circuit breaker (2) is equipped with, described electric transmissio mechanism (3) is provided with the second through hole (31) that permission second standard screws (4) is passed; Second standard screws (4) is fixedly connected through the nut bore (203) of the insert nut (20) in the second through hole (31) on electric transmissio mechanism (3) afterwards corresponding installing hole (22) upper with circuit breaker (2), and is fixed on two circuit breakers (2) by electric transmissio mechanism (3).
2. the dual-power transfer switch being easy to assemble according to claim 1, it is characterized in that: described each circuit breaker (2) is equipped with the first through hole (21) that multiple permission first standard screws (5) is passed, described mounting base (1) is provided with multiple screw (11), and the first standard screws (5) each first through hole (21) be each passed through on each circuit breaker (2) is gone up corresponding screw (11) with mounting base (1) afterwards and is fixedly connected.
3. the dual-power transfer switch being easy to assemble according to claim 2, is characterized in that: on the isolation bar (23) between two terminations (24) that each first through hole (21) on described each circuit breaker (2) is arranged on each circuit breaker (2).
4. the dual-power transfer switch being easy to assemble according to claim 1, is characterized in that: on the isolation bar (23) between two terminations (24) that the installing hole (22) on described each circuit breaker (2) is arranged on each circuit breaker (2).
5. the dual-power transfer switch being easy to assemble according to claim 2, is characterized in that: the installing hole (22) on described each circuit breaker (2) is positioned at the inner side of described the first through hole (21).
6. the dual-power transfer switch being easy to assemble according to claim 1, it is characterized in that: described insert nut (20) is combined into by two thick sections (201) and a thin segment (202), its profile is I shape post, and described thin segment (202) is between two described thick sections (201).
7. the dual-power transfer switch being easy to assemble according to claim 1, is characterized in that: the profile of described insert nut (20) is yi word pattern post.
8. the dual-power transfer switch being easy to assemble according to claim 1, it is characterized in that: described installing hole (22) comprises the small-bore section (22a) being provided with insert nut (20) and the large aperture section (22b) can holding head of screw, the external diameter of described insert nut (20) is greater than the aperture of the small-bore section (22a) of described installing hole (22).
9. the dual-power transfer switch being easy to assemble according to claim 1, is characterized in that: the nut bore (203) of described insert nut (20) is provided with the chamfering conical surface (204) guided.
10. the dual-power transfer switch being easy to assemble according to claim 8, it is characterized in that: described small-bore section (22a) is positioned on the base of circuit breaker, large aperture section (22b) is positioned on the cover plate of circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076527.2U CN204480926U (en) | 2015-02-03 | 2015-02-03 | Be easy to the dual-power transfer switch assembled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076527.2U CN204480926U (en) | 2015-02-03 | 2015-02-03 | Be easy to the dual-power transfer switch assembled |
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| Publication Number | Publication Date |
|---|---|
| CN204480926U true CN204480926U (en) | 2015-07-15 |
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| CN201520076527.2U Active CN204480926U (en) | 2015-02-03 | 2015-02-03 | Be easy to the dual-power transfer switch assembled |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643916A (en) * | 2021-08-10 | 2021-11-12 | 雷顿电气科技有限公司 | Slide-in type dual-power transfer switch |
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2015
- 2015-02-03 CN CN201520076527.2U patent/CN204480926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643916A (en) * | 2021-08-10 | 2021-11-12 | 雷顿电气科技有限公司 | Slide-in type dual-power transfer switch |
| CN113643916B (en) * | 2021-08-10 | 2023-11-21 | 雷顿电气科技有限公司 | Slide-in type double-power-supply change-over switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Easy to assemble dual power transfer switch Granted publication date: 20150715 License type: Common License Record date: 20201021 |
|
| EE01 | Entry into force of recordation of patent licensing contract |