CN204067146U - Rotary switch - Google Patents
Rotary switch Download PDFInfo
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- CN204067146U CN204067146U CN201420353675.XU CN201420353675U CN204067146U CN 204067146 U CN204067146 U CN 204067146U CN 201420353675 U CN201420353675 U CN 201420353675U CN 204067146 U CN204067146 U CN 204067146U
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- wiring
- contact
- rotary switch
- screw
- rotary
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Abstract
A kind of rotary switch, comprise mutually stacked multiple shells, space content between each adjacent shell received at least one rotate contact, at least one static contact, at least one wiring screw and rotary driving part, static contact comprises and is suitable for being rotated the contact portion of contact pad and for the coupling part between the wiring part of wiring and two parts, wiring part is vertically arranged and perpendicular to contact portion, wiring screw be horizontally disposed with and with wiring sections transverse, rotary driving part comprises axle portion, cap and connection for transmission portion, the inner surface of the horizontal walls of cap, the inner surface in the sidewall portion of cap and the periphery wall in connection for transmission portion collectively define annular groove portion.This rotary switch wiring is simple and can adapt to different wiring type, and has the creepage distance added.
Description
Technical field
The utility model relates to a kind of rotary switch.
Background technology
Electrical rotary switch is a kind of switch of known type.Usually, this switch can comprise multilayer, every layer of movable contact spring including at least one static contact and correspond.Control joint between static contact and movable contact spring and disconnection by the rotation controlling to carry the rotating disk of movable contact spring, thus control the break-make of rotary switch.
Such as patent application CN102037532A discloses a kind of rotary switch, it comprises shell, at least one running contact and at least one fixed contact is accommodated in described shell, described fixed contact comprises and arranges for the contact portion that contacted by running contact with for being connected to the coupling part on wire, described rotary switch also comprises mandrel module, described mandrel module connects mechanically, at least one running contact of the described switch of each leisure to apply revolving force.
But, in patent application recited above, the coupling part of fixed contact is obliquely installed, and which results in the inconvenience of wiring, and such is arranged so that this rotary switch can not be applicable to available for different connection modes easily, thus this rotary switch can not be applicable to the needs of various application.In addition, although the mandrel module in this rotary switch is made up of insulating material, under high voltages or in a humid environment, its creepage distance is between layers less, and thus the insulation characterisitic of switch receives impact, thus have impact on the performance of rotary switch.
Utility model content
For the above-mentioned problems in the prior art, one of them technical problem to be solved in the utility model makes the wiring of rotary switch simple and convenient, and simultaneous adaptation available for different connection modes.
Another technical problem to be solved in the utility model increases the creepage distance between layer, improves the insulation property of rotary switch.
One of them technical problem of the present utility model realizes by providing following rotary switch: a kind of rotary switch, comprise shell, at least one rotates contact, at least one static contact and at least one wiring screw, at least one rotation contact described, at least one static contact and at least one wiring screw hold in the housing, described static contact comprises and is configured to be suitable for being rotated the contact portion of contact pad, for wiring wiring part and connect the coupling part of described contact portion and described wiring part, it is characterized in that, described wiring part is vertically arranged and perpendicular to described contact portion, described wiring screw be horizontally disposed with and with described wiring sections transverse, described shell is provided with wiring opening and uses opening to corresponding the screwing of nut of described wiring screw.
Preferably, described rotary switch is also equipped with the packing ring corresponding with described wiring screw, and described packing ring is parallel to described wiring part, and described wiring screw extends perpendicularly through described packing ring and is screwed in the screwed hole of described wiring part.
Preferably, described rotary switch is also equipped with frame portion, the through hole that described frame portion has four wall portion and limited by described four wall portion, described wiring screw is vertically screwed in the screwed hole be arranged on a sidewall in described frame portion and against described wiring part, another sidewall in described frame portion and described wire connecting portion have the space of inserting for external electrical connections between dividing.
Further preferably, described contact portion, described wiring part and described coupling part are integrally formed, one end of described contact portion is suitable for and described rotation contact pad, the other end of described contact portion is provided with card base, in the first draw-in groove in described card base clamping static contact space in the housing, one end that described wiring part is connected with coupling part is by the second draw-in groove in the static contact space that fixes in the housing.
Further preferably, described wiring part is made up of elastomeric material.
Preferably, described rotary switch is multi-layer rotating switch, and described multi-layer rotating switch comprises mutually stacked multilayer package.
Because described wiring part is vertically arranged and vertical with described contact portion, described screw horizontal arrangement, therefore rotary switch of the present utility model can adapt to various joint outer part easily, thus achieves consistent termination easily.
Another technical problem of the present utility model realizes by providing following rotary switch, described rotary switch comprises mutually stacked multiple shells, space content between each adjacent shell received at least one rotate contact, at least one static contact and at least one rotary driving part, described rotary driving part comprises axle portion, cap and connection for transmission portion, described cap comprises horizontal walls and sidewall portion, described rotation contact to be enclosed within described axle portion and to be supported on the outer surface of described horizontal walls, described axle portion is suitable for operationally applying rotating force to described rotation contact, described connection for transmission portion is suitable for matching with the axle portion of another adjacent rotary driving part to drive another rotary driving part described to rotate, it is characterized in that, the inner surface of described horizontal walls, the inner surface in described sidewall portion and the periphery wall in described connection for transmission portion collectively define annular groove portion.
Preferably, at least one ring rib is provided with further in described annular groove portion.
Further preferably, at least one ring rib described is arranged between the inner surface in described sidewall portion and the periphery wall in described connection for transmission portion, described sidewall portion matches with the first annular groove arranged in described shell, and at least one ring rib described matches with at least one second annular groove arranged in described shell.
Preferably, described rotary switch also comprises at least one wiring screw, described static contact comprise be configured to be suitable for by rotate the contact portion of contact pad, for wiring wiring part and connect the coupling part of described contact portion and described wiring part, described wiring part is vertically arranged and perpendicular to described contact portion, described wiring screw be horizontally disposed with and with described wiring sections transverse, described shell is provided with wiring opening and uses opening to corresponding the screwing of nut of described wiring screw.
Owing to being provided with annular groove portion, two-layer two creepage distances rotated between contact obviously increase, thus effectively increase the electrical insulating property of rotary switch, thus avoid the electrical breakdown between layer, and improve the electric property of rotary switch.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional view of rotary switch;
Fig. 2 is the exploded view of rotary switch;
Fig. 3 is the perspective view showing internal structure in layer of a preferred embodiment of rotary switch;
Fig. 4 is the partial enlarged drawing of wiring part in Fig. 3;
Fig. 5 is the perspective view of V shape connector;
Fig. 6 is the perspective view showing internal structure in layer of another preferred embodiment of rotary switch;
Fig. 7 is the perspective view of static contact in Fig. 6;
Fig. 8 is the perspective view of pin connector;
Fig. 9 is the perspective view of rotary driving part;
Figure 10 is showing the plane graph of internal structure in rotary switch layer;
Figure 11 is the partial enlarged drawing of rotary driving part in Fig. 1.
Figure 12 is the perspective view of rotary driving part in prior art.
Embodiment
Fig. 1 and Fig. 2 shows the overall structure of rotary switch, and rotary switch comprises the multiple switch modules rotating control module 1 and be stacked.Described rotation control module 1 is for the rotary driving part of operation switch module, thus the break-make of control switch, rotate control module and existing various mode in prior art can be adopted to realize, no longer describe in detail at this.
For convenience of explanation, herein when describing part position relations term used " on ", D score refer to that rotary switch is normally placed (rotate control module 1 upper, switch module under) time observe the relative position relation obtained.
Each switch module comprises shell 2, and neighbouring shell is stacked on top of each other and snap together, thus defines the space for holding various switch block betwixt.Accommodate at least one in every sheaf space and rotate contact 3.As in Fig. 3, Fig. 6 and Figure 10, institute's the best illustrates, described rotation contact 3 is preferably the form of disk, and this rotation contact 3 has diametrically opposed setting and two current-carrying parts 31 of electrical connection and two insulated parts 32 circumferentially between two current-carrying parts 31.Preferably, each current-carrying part 31 and each insulated part 32 are divided into upper and lower two panels.Also accommodate two static contacts 4 in every sheaf space, described two static contacts 4 for respectively with rotate two current-carrying parts 31 electrical contact of contact 3.When rotating contact 3 and rotating to special angle, described static contact is sandwiched in up and down between two panels of current-carrying part 31, thus rotary switch conducting; When rotating contact 3 and rotating to other angle, described static contact is sandwiched in up and down between two panels of insulated part 31, thus rotary switch disconnects.
The wiring part of rotary switch of the present utility model will be described in detail below.
In a preferred embodiment, as shown in Figure 3 and Figure 4, each static contact 4 includes contact portion 41, coupling part 43 and the wiring part 42 for wiring, described contact portion 41 is horizontally disposed with and is configured to contacting with this current-carrying part between two panels up and down of the corresponding current-carrying part 31 that is suitable for being inserted into described rotation contact 3, described wiring part 42 vertically arranges and perpendicular to described contact portion 41, described coupling part 43 is electrically connected with wiring part 42 for making contact portion 41.Each static contact 4 is furnished with corresponding wiring screw 6 and packing ring 5, described packing ring 5 is parallel to described wiring part 42, described wiring screw 6 is horizontally disposed with and extends perpendicularly through described packing ring 5 and be screwed in the screwed hole of described wiring part 42, and described shell 2 is provided with corresponding with the nut of described wiring screw 6 screwing with opening 7 and and the corresponding wiring opening 8 in space between described packing ring 5 and described wiring part 42.Described screwing is arranged for ease of instrument butted line screw with opening 7 and operates, and described wiring opening 8 inserts for making joint outer part.
In this embodiment, described joint outer part especially can be V shape connector as shown in Figure 5, in use, the fork of V shape connector and described wiring part 42 are inserted between described packing ring 5 and described wiring part 42 abreast, when wiring screw 6 is tightened, namely achieves and be reliably electrically connected.
Described contact portion 41 preferably and coupling part 43 be integrally formed, the contact portion 41 be integrally formed and coupling part 43 can be formed as two independent parts with described wiring part 42, and these two independent parts are by the static contact space that fixes in the housing.Described contact portion 41, coupling part 43 and described wiring part 42 also can be formed by three in one.
As another preferred embodiment, as shown in Figure 6 and Figure 7, each static contact 4 includes contact portion 41 ', coupling part 43 ' and wiring part 42 '.Described contact portion 41 ', coupling part 43 ' and wiring part 42 ' are preferably integrally formed.Described contact portion 41 ' is horizontally disposed with, its one end be configured to the corresponding current-carrying part 31 being suitable for being inserted into described rotation contact 3 up and down between two panels and with this current-carrying part electrical contact, its other end is provided with card base, and described card base is connected in the draw-in groove in setting static contact space in the housing.Described coupling part 43 ' preferred levels is arranged, and its one end connects contact portion 41 ', and the other end connects wiring part 42 '.Each static contact 4 is furnished with corresponding wiring screw 6 ' and frame portion 5 ', the through hole that described frame portion 5 ' has four wall portion and limited by described four wall portion.Described wiring screw 6 ' is horizontally disposed with and is vertically screwed in the screwed hole be arranged on a sidewall in frame portion 5 '.Described wiring part 42 ' is vertical with horizontally disposed contact portion 41 ' and coupling part 43 ' and stretch out through the through hole in described frame portion 5 '.The wiring screw 6 ' be screwed into is resisted against in wiring part 42 '.One end that described wiring part 42 ' is connected with coupling part 43 ' is fixed arranging in another draw-in groove in static contact space in the housing.Described wiring part 42 ' preferably has elasticity.Described shell 2 is provided with and screws with opening 7 ' and wiring opening 8 '.Described screwing is arranged for ease of instrument butted line screw with opening 7 ' and operates, and described wiring opening 8 ' is suitable for joint outer part and inserts.Certainly, in this embodiment, the various piece of static contact also can be formed as independent multiple parts.
In this embodiment, described joint outer part especially can be pin connector as shown in Figure 8, in use, the pin portion of pin connector is inserted in the space formed between another sidewall in frame portion 5 ' and described wiring part 42 ', wherein, another sidewall described is relative with the sidewall arranging screwed hole in frame portion, when wiring screw 6 ' is tightened, wiring screw ' act in wiring part 42 ', make one end of wiring part 42 ' towards described another sidewall motion in frame portion 5 ', thus such as pin portion is reliably clamped between coupling part 42 ' and another sidewall described in frame portion 5 ', thus achieve and be reliably electrically connected.Described joint outer part also can be the connector of V shape connector or other type.
In superincumbent two embodiments, preferably, described in screw and be separately positioned on the adjacent side of two of shell 2 with opening and described wiring opening, and described wiring screw is preferably arranged diagonally on housing.
Divided by the contact portion and wire connecting portion making static contact and arrange mutual vertically, achieve horizontal wiring easily, thus make rotary switch can adapt to polytype joint outer part well, and make wiring become convenient.
Next, the measure of creepage distance is increased by describing the utility model in detail.
As Fig. 1, shown in Fig. 9 and Figure 10, described rotary switch also comprises the rotary driving part 9 be made up of insulating material, described rotary driving part comprises axle portion 91, cap 92 and connection for transmission portion 93, described cap 92 comprises horizontal walls 921 and sidewall portion 94, described rotation contact 3 to be enclosed within described axle portion 91 and to be supported on the outer surface of the horizontal walls 921 of described cap 92, described axle portion 91 is suitable for operationally applying rotating force to described rotation contact 3, described connection for transmission portion 93 is suitable for matching with the axle portion of another adjacent rotary driving part 9 ' to drive another rotary driving part 9 ' described to rotate.Described connection for transmission portion 93 is upwards projection be suitable for being inserted in the central through hole described shell 2 in described cap, described connection for transmission portion 93 has slotted eye 96, and described in adjacent with described connection for transmission portion 93, the axle portion of another rotary driving part 9 ' is adapted to fit in described slotted eye 96.The axle portion 91 of described rotary driving part 9 is preferably the various shapes being suitable for operationally applying to described rotation contact 3 rotating force such as rectangle, square, triangle, hexagon or D shape, and the center of described rotation contact 3 has the aperture matched with the shape and size in described axle portion 91.Described cap 92 and connection for transmission portion 93 preferably cylindrical, shape and size and the described axle portion of described slotted eye 96 match.
The periphery wall in the inner surface of described horizontal walls 921, the inner surface in described sidewall portion 94 and described connection for transmission portion collectively defines annular groove portion 97.The setting in annular groove portion 97 considerably increases rotary switch creepage distance between layers, thus improves the electrical characteristic of rotary switch.
As further preferred embodiment, in annular groove portion 97, at least one ring rib 95 can also be set further, between the inner surface that at least one ring rib 95 described is arranged on the described sidewall portion 94 of cap and the periphery wall in described connection for transmission portion 93, described sidewall portion matches with the first annular groove 94 ' arranged in described shell 2, and at least one ring rib 95 described matches at least one corresponding second annular groove 95 ' arranged in described shell 2.At least one ring rib 95 described is set and can increases rotary switch creepage distance between layers further.
Rotary driving part in prior art such as CN102037532A as shown in figure 12, its not corresponding with the annular groove portion 97 in the utility model structure, therefore potential creepage current between layers the distance of process much smaller compared with being provided with the situation in annular groove portion 97, that is, in rotary switch of the present utility model, creepage distance between layers obviously becomes large, and therefore insulation property obviously strengthen.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, combination, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a rotary switch, described rotary switch comprises shell, at least one rotates contact, at least one static contact and at least one wiring screw, it is characterized in that, at least one rotation contact described, at least one static contact and at least one wiring screw hold in the housing, described static contact comprises and is configured to be suitable for being rotated the contact portion of contact pad, for wiring wiring part and connect the coupling part of described contact portion and described wiring part, described wiring part is vertically arranged and perpendicular to described contact portion, described wiring screw be horizontally disposed with and with described wiring sections transverse, described shell is provided with wiring opening and uses opening to corresponding the screwing of nut of described wiring screw.
2. rotary switch according to claim 1, it is characterized in that, described rotary switch is also equipped with the packing ring corresponding with described wiring screw, described packing ring is parallel to described wiring part, and described wiring screw extends perpendicularly through described packing ring and is screwed in the screwed hole of described wiring part.
3. rotary switch according to claim 1, it is characterized in that, described rotary switch is also equipped with frame portion, the through hole that described frame portion has four wall portion and limited by described four wall portion, described wiring screw is vertically screwed in the screwed hole be arranged on a sidewall in described frame portion and against described wiring part, another sidewall in described frame portion and described wire connecting portion have the space of inserting for external electrical connections between dividing.
4. rotary switch according to claim 3, it is characterized in that, described contact portion, described wiring part and described coupling part are integrally formed, one end of described contact portion is suitable for and described rotation contact pad, the other end of described contact portion is provided with card base, in the first draw-in groove in described card base clamping static contact space in the housing, one end that described wiring part is connected with coupling part is by the second draw-in groove in the static contact space that fixes in the housing.
5. rotary switch according to claim 3, is characterized in that, described wiring part is made up of elastomeric material.
6. rotary switch according to claim 1, is characterized in that, described rotary switch is multi-layer rotating switch, and described multi-layer rotating switch comprises mutually stacked multilayer package.
7. a rotary switch, described rotary switch comprises mutually stacked multiple shells, it is characterized in that, space content between each adjacent shell received at least one rotate contact, at least one static contact and at least one rotary driving part, described rotary driving part comprises axle portion, cap and connection for transmission portion, described cap comprises horizontal walls and sidewall portion, described rotation contact to be enclosed within described axle portion and to be supported on the outer surface of described horizontal walls, described axle portion is suitable for operationally applying rotating force to described rotation contact, described connection for transmission portion is suitable for matching with the axle portion of another adjacent rotary driving part to drive another rotary driving part described to rotate, the inner surface of described horizontal walls, the inner surface in described sidewall portion and the periphery wall in described connection for transmission portion collectively define annular groove portion.
8. rotary switch according to claim 7, is characterized in that, is provided with at least one ring rib in described annular groove portion further.
9. rotary switch according to claim 8, it is characterized in that, at least one ring rib described is arranged between the inner surface in described sidewall portion and the periphery wall in described connection for transmission portion, described sidewall portion matches with the first annular groove arranged in described shell, and at least one ring rib described matches with at least one second annular groove arranged in described shell.
10. rotary switch according to claim 7, it is characterized in that, described rotary switch also comprises at least one wiring screw, described static contact comprises and is configured to be suitable for being rotated the contact portion of contact pad, for wiring wiring part and connect the coupling part of described contact portion and described wiring part, described wiring part is vertically arranged and perpendicular to described contact portion, described wiring screw be horizontally disposed with and with described wiring sections transverse, described shell is provided with wiring opening and uses opening to corresponding the screwing of nut of described wiring screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353675.XU CN204067146U (en) | 2014-06-27 | 2014-06-27 | Rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353675.XU CN204067146U (en) | 2014-06-27 | 2014-06-27 | Rotary switch |
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| Publication Number | Publication Date |
|---|---|
| CN204067146U true CN204067146U (en) | 2014-12-31 |
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| CN201420353675.XU Active CN204067146U (en) | 2014-06-27 | 2014-06-27 | Rotary switch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895414A (en) * | 2016-06-28 | 2016-08-24 | 刘凡 | Multi-level cascade electric switch with load breaking capability |
| WO2017133457A1 (en) * | 2016-02-05 | 2017-08-10 | 上海良信电器股份有限公司 | Wiring-improved structure for rotary double-breakpoint switch contact system |
| CN108320974A (en) * | 2017-02-20 | 2018-07-24 | 上海舒森电子科技有限公司 | Sound contact structure and rotary switch |
| CN108428586A (en) * | 2018-03-22 | 2018-08-21 | 上海得慨电气有限公司 | A kind of circuit breaking switch structure of small size high reliability |
-
2014
- 2014-06-27 CN CN201420353675.XU patent/CN204067146U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133457A1 (en) * | 2016-02-05 | 2017-08-10 | 上海良信电器股份有限公司 | Wiring-improved structure for rotary double-breakpoint switch contact system |
| CN107045959A (en) * | 2016-02-05 | 2017-08-15 | 上海良信电器股份有限公司 | Rotary type double-breakpoint switch contact system wiring structure-improved |
| KR20180108701A (en) * | 2016-02-05 | 2018-10-04 | 상하이 리앙신 일렉트리컬 컴퍼니 리미티드 | Rotary double break point switch contact system connection improvement structure |
| EP3413329A4 (en) * | 2016-02-05 | 2019-09-11 | Shanghai Liangxin Electrical Co., Ltd | Wiring-improved structure for rotary double-breakpoint switch contact system |
| KR102053070B1 (en) * | 2016-02-05 | 2019-12-06 | 상하이 리앙신 일렉트리컬 컴퍼니 리미티드 | Rotary double breakpoint switch contact system connection improvement structure |
| CN105895414A (en) * | 2016-06-28 | 2016-08-24 | 刘凡 | Multi-level cascade electric switch with load breaking capability |
| CN108320974A (en) * | 2017-02-20 | 2018-07-24 | 上海舒森电子科技有限公司 | Sound contact structure and rotary switch |
| CN108428586A (en) * | 2018-03-22 | 2018-08-21 | 上海得慨电气有限公司 | A kind of circuit breaking switch structure of small size high reliability |
| WO2019179495A1 (en) * | 2018-03-22 | 2019-09-26 | 上海得慨电气有限公司 | Small-sized and high-reliability circuit breaker structure |
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| GR01 | Patent grant |