CN202094036U - Isolating switch with indicating device - Google Patents

Isolating switch with indicating device Download PDF

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Publication number
CN202094036U
CN202094036U CN2011202381122U CN201120238112U CN202094036U CN 202094036 U CN202094036 U CN 202094036U CN 2011202381122 U CN2011202381122 U CN 2011202381122U CN 201120238112 U CN201120238112 U CN 201120238112U CN 202094036 U CN202094036 U CN 202094036U
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CN
China
Prior art keywords
isolating switch
base
indicator board
sign
rod
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
Application number
CN2011202381122U
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Chinese (zh)
Inventor
洪青松
徐进
江翠
毛成洁
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PEOPLE ELECTRICAL APPLIANCES GROUP CO Ltd
Original Assignee
PEOPLE ELECTRICAL APPLIANCES GROUP CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PEOPLE ELECTRICAL APPLIANCES GROUP CO Ltd filed Critical PEOPLE ELECTRICAL APPLIANCES GROUP CO Ltd
Priority to CN2011202381122U priority Critical patent/CN202094036U/en
Application granted granted Critical
Publication of CN202094036U publication Critical patent/CN202094036U/en
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Abstract

The utility model discloses an isolating switch with an indicating device, which comprises a base, a rotary disk with a handle, a moving contact, a fixed contact, the indicating device and a linkage device. The indicating device comprises an indicating plate, an observation window, a spring seat fixed on the inner lateral face of the base and a sliding guide rail. A return spring is fixedly connected between the spring seat and the indicating plate, the indicating plate is provided with indicating marks used for indicating on-off state of power, and the observation window is arranged on the base opposite to the indicating marks. The linkage device is hinged to the rotary disk and the base, the moving contact is fixed on the linkage device, and one end of a moving contact rod is connected with a conductive connecting plate and a second binding post. A power-off indicating mark is a green mark arranged on the indicating plate, and a power-on indicating mark is a red mark. The indicating device is added on the basis of an original isolating switch, and users can judge close and open of a switch circuit by observing the colors displayed by the indicating device, thereby effectively guaranteeing safety of the users.

Description

A kind of isolating switch with indicating device
Technical field
The utility model belongs to the low voltage electrical apparatus technology field, more particularly, relates to a kind of isolating switch with indicating device.
Background technology
Isolating switch is to use maximum a kind of electrical equipment in the low-tension switch electric appliance, plays buffer action in circuit.Because this electrical equipment in use relates to the different situations of connecting and disconnecting of the circuit, personal safety is constituted certain threat, so its functional reliability is required high.Whether decision circuitry is switched on or switched off but existing isolating switch can only come roughly from the branch state that closes of handle, when contact melting welding, handle are in the disjunction state, will cause the illusion of a circuit disjunction, therefore only the branch state that closes by handle really decision circuitry whether be switched on or switched off.The location status of handle can not be represented the contact virtual condition authentic and validly, and this has just buried hidden danger for the accidental shock accident in the production work.
The utility model patent of CN200620105568.0, the isolating switch that a kind of stationary contact head rod passes binding post is disclosed, comprise handle, dynamic/static contact and place therebetween connecting rod, it is characterized in that described movable contact rod one side is provided with the stationary contact head rod, the stationary contact head rod is the L type, and passing binding post, described binding post forms a sealing surface by metallic conduction sheet turnup.Stationary contact head rod one end of this utility model turnup that makes progress, the formation reinforcement is outwards protruded in the end.Stationary contact head rod and binding post are hinged on the housing fixing with it, and insert depth is thickness of shell half.In a single day fault appears in the disclosed isolating switch of this utility model, and operating personnel have no idea in time to judge, cause personnel's electric shock accidents easily.
The utility model patent of CN200620011963.2 discloses a kind of circuit breaker with contact disconnection indicating device, and its indicating device is made up of indication piece, reaction spring and locating part.The disconnection indicating device key points in design of this circuit breaker is that reaction spring is socketed on the indication piece, pass through operating grip, when making dynamic/static contact generation disjunction and this disjunction state near normal off position, the thrust that indication piece is overcome reaction spring promotes and moves to the position that obviously protrudes in lid, power supply is cut off, thereby realizes indication and safing effect.But, this design fails to solve dynamic/static contact disjunction close together, the indicative function when not reaching near normal off position, under this disjunction state, circuit can not be cut off, and because the displacement of moving contact is little, spring thrust is also little, the height that indication piece protrudes in lid is not high, still can not reach timely indication operating personnel's purpose.
The utility model content
The purpose of this utility model provides the switch of the virtual condition of authentic and valid indication circuit connection of a kind of energy or disjunction; can avoid on the one hand above-mentioned effectively because of handle state and the contact state disunity accident that meets accident; on the other hand when electric current is excessive; moving contact generation melting welding, thus play the effect of effective protective circuit.
The utility model adopts following technical measures for solving the problems of the technologies described above: the utility model discloses a kind of isolating switch with indicating device, comprises a base; Rotating disk, it is arranged at the outer rim inboard of described base, and the middle part of described rotating disk is provided with the fixedly connected rotating shaft of described base, the one-body molded handle of stirring described rotating disk rotation that is useful on of the outer rim of described rotating disk; The fixed contact assembly, it comprises stationary contact head rod, fixed contact and first binding post, and described stationary contact head rod is oppositely two " L " types of butt joint, and the one end connects with described fixed contact, and the other end connects with first binding post; Moving contact is used for matching with described fixed contact, realizes the energising and the outage of isolating switch; Moving contact is positioned at the top of movable contact rod, the energising and the outage of the mobile realization isolating switch by movable contact rod; Described isolating switch also comprises: indicating device and linkage.
Described indicating device, it comprises indicator board, observation window, is fixed in the spring base and the rail plate of described base medial surface, be fixedly connected with return spring between described spring base and the indicator board, described indicator board is provided with and is used to indicate isolating switch to be in the sign of outage and "on" position, and described observation window is arranged at on the corresponding base of the sign on the described indicator board; Described linkage is hinged with described rotating disk and described base, and described moving contact is fixed on the described linkage; When the handle on stirring described rotating disk makes it be in off-position, described rotating disk drives described moving contact by linkage and indicating device moves along the direction away from described fixed contact, described moving contact and fixed contact are separated, described linkage is by the described return spring of extruding, drive described indicator board and on rail plate, slide, the outage sign on the described indicator board is shown by described observation window; When the handle on stirring described rotating disk makes isolating switch be in "on" position, the moving contact that described rotating disk drives on the described linkage moves, contact with described fixed contact until described moving contact, described indicator board moves at the elastic force effect lower edge of described return spring rail plate, after described return spring homing, the energising sign on the described indicator board is shown by described observation window.
Described linkage comprises movable contact rod and connecting rod, and an end of described movable contact rod is fixedly connected with described base by a bearing pin, and this end is electrically connected with the conductive plate of second binding post by conductive connection plates, and the other end of described movable contact rod is provided with moving contact; One end of described connecting rod is hinged with the middle part of described movable contact rod, its other end is hinged with the outer rim of described rotating disk, make isolating switch be in when outage when stirring handle, described rotating disk drives movable contact rod and rotates around described bearing pin, the movable contact head end of described movable contact rod moves along rail plate by driving described indicator board, make described indicator board push described return spring, thereby the outage sign on the indicator board is shown by observation window.
The middle part of described movable contact rod is provided with stage clip, one end of described stage clip connects with described base by press spring base, its other end is fixedly connected with described movable contact rod, the be placed in both sides of described movable contact rod of described stage clip and described connecting rod, and described stage clip places the below of described connecting rod.Described outage sign is the green sign that is arranged on the described indicator board, and described energising sign is the redness sign that is arranged on the described indicator board.
It is formed by connecting described indicator board by sliding panel is vertical with connecting plate, described outage sign and energising sign are arranged at the upside of described sliding panel, slide along described rail plate in the lower surface of described sliding panel, the bottom land panel of described spring base be arranged in parallel with described connecting plate, one end of described return spring is fixedly connected with the lateral surface of described connecting plate, its other end is fixedly connected with the bottom land panel of described spring base, the lower surface of described connecting plate is arranged on the downside panel of described spring base, when stirring described handle and make isolating switch be in off-position, the inboard that an end that is provided with moving contact of described movable contact rod promotes described connecting plate is slided its downside panel along described spring base, described connecting plate is by the described return spring of compression, drive described sliding panel and slide along described rail plate, the outage sign that makes described sliding panel upper side is by showing in the described observation window.
Sliding panel and the connecting plate structure that is formed in one.
The utility model compared with prior art has the following advantages:
The first, the utility model is owing to installed indicating device additional, and operating personnel can pass through the break-make of the direct decision circuitry of color of observation indicating device demonstration, thereby has effectively ensured end user's personal safety.
The second, drive dial rotation by stirring handle, the dial rotation drivening rod changes the position, connecting rod drives movable contact rod and moves, thereby moving contact is subjected to displacement, and moving contact drives return spring generation elastic deformation, and the spring force of generation promotes indicator board and slides on rail plate.This utility model has advantages of simple operation, and the principle of described indicating device is to judge by the connection of contact or off-state in fact, its basis for estimation is accurate, thereby efficiently solve the technical problem that handle can not authentic and valid expression contact virtual condition, indicating device reliability height.
The 3rd, the utility model can also correctly be indicated the virtual condition of contact when isolation switch contact melting welding.When contact generation melting welding, moving contact can not return initial position, and no matter whether handle is being in a deciliter position, and indicating device all can not be got back to initial position.Because when contact generation melting welding, described moving contact contacts with described fixed contact, described indicating device moves at the elastic force effect lower edge of described return spring rail plate, after described return spring homing, energising sign on the described indicator board is shown by described observation window, thereby reaches indicative function.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is the structural representation of the utility model when being in off-state;
Fig. 2 is the structural representation of the utility model when being in closure state;
Fig. 3 is the structural perspective of the utility model when being in off-state;
Fig. 4 is the structural perspective of the utility model when being in closure state.
Reference numeral is expressed as among the figure: 1-base, 2-rotating disk, 3-rotating shaft, 4-handle, the 5-fixed contact, 6-moving contact, 7-stationary contact head rod, 8-first binding post, the 9-observation window, 10-rail plate, 11-indicator board, 12-return spring, the 13-movable contact rod, 14-connecting rod, 15-stage clip, 16-conductive connection plates, 17-second binding post, 18-sliding panel, 19-connecting plate, the 20-conductive plate, 21-spring base, 22-press spring base.
Embodiment
Below with reference to accompanying drawing 1-4, use following examples that the utility model is further set forth.
The structure of isolating switch indicating device of the present utility model such as Fig. 1-shown in Figure 4, comprise a base 1; Rotating disk 2, it is arranged at the outer rim inboard of described base 1, and the middle part of described rotating disk 2 is provided with the fixedly connected rotating shaft 3 of described base 1, the one-body molded handle 4 of stirring described rotating disk 2 rotations that is useful on of the outer rim of described rotating disk 2;
The fixed contact assembly, it comprises stationary contact head rod 7, fixed contact 5 and first binding post 8, and described stationary contact head rod 7 is oppositely two " L " types of butt joint, and the one end connects with described fixed contact 5, and the other end connects with first binding post 8;
Moving contact 6 is positioned at the top of movable contact rod 13, the energising and the outage of the mobile realization isolating switch by movable contact rod 13;
Described indicating device, it comprises indicator board 11, observation window 9, is fixed in the spring base 21 and the rail plate 10 of base medial surface, be fixedly connected with return spring 12 between described spring base 21 and the indicator board 11, described indicator board 11 is provided with and is used to indicate isolating switch to be in the sign of outage and "on" position, and described observation window 9 is arranged at on the corresponding base 1 of the sign on the described indicator board 11;
Described linkage, comprise movable contact rod 13 and connecting rod 14, the middle part of described moving contact 13 bars is provided with stage clip 15, one end of described stage clip 15 connects with described base 1 by press spring base 22, its other end is fixedly connected with described movable contact rod 13, the be placed in both sides of described movable contact rod 13 of described stage clip 15 and described connecting rod 14, and the position of described stage clip 15 is a little less than the position of described connecting rod 14, promptly place the below of connecting rod 14, one end of described movable contact rod 13 is fixedly connected with described base 1 by a bearing pin, and this end connects with conductive plate 20 by conductive connection plates 16, conductive plate 20 wherein is placed on second binding post 17, and the other end of described movable contact rod 13 is provided with moving contact 6; One end of described connecting rod 14 is hinged with the middle part of described movable contact rod 13, its other end is hinged with the outer rim of described rotating disk 2, make isolating switch be in when outage when stirring handle 1, described rotating disk 2 drives movable contact rod 13 and rotates around described bearing pin, the movable contact head end of described movable contact rod 13 moves along rail plate 10 by driving described indicator board 11, make the described return spring 12 of described indicator board 11 extruding, thereby the outage sign on the indicator board 11 is shown by observation window 9, described outage sign is the green sign that is arranged on the described indicator board 11, described energising sign is the redness sign that is arranged on the described indicator board 11, and be hinged with described rotating disk 2 and described base 1, described moving contact 5 is fixed on the described linkage.
Described indicator board 11 is by sliding panel 18 and connecting plate 19 vertical being formed by connecting, and sliding panel 18 and connecting plate 19 adopt integrated formed structure, described outage sign and energising sign are arranged at the upside of described sliding panel 11, slide along described rail plate 10 in the lower surface of described sliding panel 11, described spring base 21 is with forming a flute profile between the base 1, the bottom land panel of described spring base 21 be arranged in parallel with described connecting plate 19, one end of described return spring 12 is fixedly connected with the lateral surface of described connecting plate 19, its other end is fixedly connected with the bottom land panel of described spring base 21, the lower surface of described connecting plate 19 is arranged on the downside panel of described spring base 21, when stirring described handle 4 and make isolating switch be in off-position, the inboard that an end that is provided with moving contact 6 of described movable contact rod 13 promotes described connecting plate 19 is slided its downside panel along described spring base 21, described connecting plate 19 is by the described return spring 12 of compression, drive described sliding panel 18 and slide along described rail plate 10, the outage sign that makes described sliding panel 18 upper sides is by showing in the described observation window 9.
When the handle 4 on stirring described rotating disk 2 makes isolating switch be in off-position, described rotating disk 2 drives described moving contact 6 by linkage and indicating device moves along the direction away from described fixed contact 5, described moving contact 6 is separated with fixed contact 5, described linkage is by the described return spring 12 of extruding, driving described indicator board 11 slides on rail plate 10, outage sign on the described indicator board 11 is shown by described observation window 9, and described energising sign is the green sign that is arranged on the described indicator board 11.
When the handle 4 on stirring described rotating disk 2 makes isolating switch be in "on" position, the moving contact 6 that described rotating disk 2 drives on the described linkage moves, contact with described fixed contact 5 until described moving contact 6, described indicator board 11 moves at the elastic force effect lower edge of described return spring 12 rail plate 10, after described return spring 12 homings, energising sign on the described indicator board 11 is shown by described observation window 9, and described energising sign is the redness sign that is arranged on the described indicator board 11.
When melting welding takes place in moving contact 6, described moving contact 6 comes in contact with described fixed contact 5, described indicating device moves at the elastic force effect lower edge of described return spring 12 rail plate 10, after described return spring 12 homings, energising sign on the described indicator board 11 is shown by described observation window 9, and described energising sign is the redness sign that is arranged on the described indicator board 11.
Though the utility model elaborates it by embodiment; but; those skilled in the art should be understood that; the any form of being made on this basis that does not exceed the claim protection range and the variation of details all belong to the claimed scope of the utility model.

Claims (6)

1. the isolating switch with indicating device comprises a base (1); Rotating disk (2), it is arranged at the outer rim inboard of described base (1), the middle part of described rotating disk (2) is provided with the fixedly connected rotating shaft (3) of described base (1), the one-body molded handle (4) of stirring described rotating disk (2) rotation that is useful on of the outer rim of described rotating disk (2);
The fixed contact assembly, it comprises stationary contact head rod (7), fixed contact (5) and first binding post (8), and described stationary contact head rod (7) is oppositely two " L " types of butt joint, and the one end connects with described fixed contact (5), and the other end connects with first binding post (8);
Moving contact (6) is used for matching with described fixed contact (5), realizes the energising and the outage of isolating switch;
It is characterized in that: moving contact (6) is positioned at the top of movable contact rod (13), the energising and the outage of the mobile realization isolating switch by movable contact rod (13);
Described isolating switch also comprises: indicating device and linkage,
Described indicating device, it comprises indicator board (11), observation window (9), is fixed in the spring base (21) and the rail plate (10) of described base (1) medial surface, be fixedly connected with return spring (12) between described spring base (21) and the indicator board (11), described indicator board (11) is provided with and is used to indicate isolating switch to be in the sign of outage and "on" position, and described observation window (9) is arranged at on the corresponding base of sign (1) on the described indicator board (11);
Described linkage is hinged with described rotating disk (2) and described base (1), and described moving contact (6) is fixed on the described linkage;
When stirring described handle (4) and make it be in off-position, described rotating disk (2) drives described moving contact (6) by linkage and indicating device moves along the direction away from described fixed contact (5), described moving contact (6) and fixed contact (5) are separated, described linkage is by extruding described return spring (12), drive described indicator board (11) and go up slip, the outage sign on the described indicator board (11) is shown by described observation window (9) at rail plate (10);
When stirring described handle (4) and make isolating switch be in "on" position, the moving contact (6) that described rotating disk (2) drives on the described linkage moves, contact with described fixed contact (5) until described moving contact (6), described indicator board (11) moves at the elastic force effect lower edge rail plate (10) of described return spring (12), after described return spring (12) homing, the energising sign on the described indicator board (11) is shown by described observation window.
2. isolating switch according to claim 1 is characterized in that:
Described linkage comprises movable contact rod (13) and connecting rod (14), one end of described movable contact rod (13) is fixedly connected with described base (1) by a bearing pin, and this end is electrically connected by the conductive plate (20) of conductive connection plates (16) with second binding post (17), and the other end of described movable contact rod (13) is provided with moving contact (6); One end of described connecting rod (14) is hinged with the middle part of described movable contact rod (13), its other end is hinged with the outer rim of described rotating disk (2), make isolating switch be in when outage when stirring handle (4), described rotating disk (2) drives movable contact rod (13) and rotates around described bearing pin, moving contact (6) end of described movable contact rod (13) moves along rail plate (10) by driving described indicator board (11), make described indicator board (11) push described return spring (12), thereby the outage sign on the indicator board is shown by observation window (9).
3. isolating switch according to claim 2 is characterized in that:
The middle part of described movable contact rod is provided with stage clip (15), one end of described stage clip (15) connects with described base (1) by press spring base (22), its other end is fixedly connected with described movable contact rod (13), the be placed in both sides of described movable contact rod (13) of described stage clip (15) and described connecting rod (14), and described stage clip (15) places the below of described connecting rod (14).
4. according to the described isolating switch of one of claim 1-3, it is characterized in that:
Described outage sign is for being arranged at the green sign on the described indicator board (11), and described energising sign is for being arranged at the redness sign on the described indicator board (11).
5. isolating switch according to claim 4 is characterized in that:
Described indicator board (11) its by sliding panel (18) and vertical being formed by connecting of connecting plate (19), described outage sign and energising sign are arranged at the upside of described sliding panel (18), slide along described rail plate (10) in the lower surface of described sliding panel (18), the bottom land panel of described spring base (21) be arranged in parallel with described connecting plate (19), one end of described return spring (12) is fixedly connected with the lateral surface of described connecting plate (19), its other end is fixedly connected with the bottom land panel of described spring base (21), the lower surface of described connecting plate (19) is arranged on the downside panel of described spring base (21), when stirring described handle (4) and make isolating switch be in off-position, the inboard that an end that is provided with moving contact (6) of described movable contact rod (13) promotes described connecting plate (19) is slided its downside panel along described spring base (21), described connecting plate (19) is by compression described return spring (12), drive described sliding panel (18) and slide along described rail plate (10), the outage sign that makes described sliding panel (18) upper side is by showing in the described observation window (9).
6. isolating switch according to claim 5 is characterized in that:
Described sliding panel (18) and connecting plate (19) structure that is formed in one.
CN2011202381122U 2011-07-07 2011-07-07 Isolating switch with indicating device Expired - Lifetime CN202094036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202381122U CN202094036U (en) 2011-07-07 2011-07-07 Isolating switch with indicating device

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Application Number Priority Date Filing Date Title
CN2011202381122U CN202094036U (en) 2011-07-07 2011-07-07 Isolating switch with indicating device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102903552A (en) * 2012-09-12 2013-01-30 厦门联容电控有限公司 Isolating switch having visible performance and operated by central hand shank
CN103972666A (en) * 2014-03-26 2014-08-06 成都曼德莱斯电联接有限公司 Current terminal
CN104241006A (en) * 2014-09-16 2014-12-24 加西亚电子电器有限公司 Isolating switch
CN110911141A (en) * 2019-12-12 2020-03-24 百胜电气有限公司 Switch indicator in transformer cabinet and cabinet body
CN112086303A (en) * 2019-06-12 2020-12-15 北京明日电器设备有限责任公司 Small-size isolator
CN114121542A (en) * 2021-12-04 2022-03-01 中国南方电网有限责任公司超高压输电公司梧州局 Isolation switch state indicating device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102903552A (en) * 2012-09-12 2013-01-30 厦门联容电控有限公司 Isolating switch having visible performance and operated by central hand shank
CN102903552B (en) * 2012-09-12 2016-06-08 厦门联容电控有限公司 Central handle rotation process has the isolator of visual performance
CN103972666A (en) * 2014-03-26 2014-08-06 成都曼德莱斯电联接有限公司 Current terminal
CN104241006A (en) * 2014-09-16 2014-12-24 加西亚电子电器有限公司 Isolating switch
CN112086303A (en) * 2019-06-12 2020-12-15 北京明日电器设备有限责任公司 Small-size isolator
CN110911141A (en) * 2019-12-12 2020-03-24 百胜电气有限公司 Switch indicator in transformer cabinet and cabinet body
CN114121542A (en) * 2021-12-04 2022-03-01 中国南方电网有限责任公司超高压输电公司梧州局 Isolation switch state indicating device

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Granted publication date: 20111228