CN204289165U - Locking mechanism for switch and the interlocking device for biswitch - Google Patents
Locking mechanism for switch and the interlocking device for biswitch Download PDFInfo
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- CN204289165U CN204289165U CN201420735017.7U CN201420735017U CN204289165U CN 204289165 U CN204289165 U CN 204289165U CN 201420735017 U CN201420735017 U CN 201420735017U CN 204289165 U CN204289165 U CN 204289165U
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- switch
- locking mechanism
- contacting plate
- rotating shaft
- moving contacting
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Abstract
The utility model relates to the locking mechanism for switch, when pulling this locking mechanism, switch can not close, the utility model also relates to the interlocking device for biswitch, the double loop power supply Jin You mono-road power supply of biswitch is used to be communicated with for ensureing, namely when a road power supply is communicated with, another road power supply must be disconnect.For the locking mechanism of switch, described switch comprises rotating shaft, moving contacting plate and quiet contact chip, moving contacting plate to be arranged in rotating shaft and to be fixedly connected with rotating shaft, when the spindle is rotated, moving contacting plate and rotating shaft synchronous axial system, when moving contacting plate turn to contact with quiet contact chip time, switch closes, it is characterized in that: described locking mechanism is fixed to rotating shaft by spring, described spring is stage clip, described locking mechanism comprises stopper section, when described spring is compressed, described stopper section is moved to rotating shaft, for backstop moving contacting plate, thus moving contacting plate can not rotate, prevent moving contacting plate from contacting with quiet contact chip, switch can not close.
Description
Technical field
The utility model relates to a kind of locking mechanism for switch, when pulling this locking mechanism, switch can not close, the utility model also relates to a kind of interlocking device for biswitch, the double loop power supply Jin You mono-road power supply of biswitch is used to be communicated with for ensureing, namely when a road power supply is communicated with, another road power supply must be disconnect.
Background technology
In looped network regulator cubicle; in order to ensure the reliable supply of power supply; namely when power failure; electric equipment can not be out of service; usually can be provided with two-way power supply, this two-way power supply complements each other, when a road power failure; another road power supply can be connected and think that electric equipment provides electric power, and each road power supply uses a switch to connect or disconnect to control it.In this case, can there is the hidden danger that two-way power supply is powered simultaneously, this is that institute is less desirable in the use of looped network regulator cubicle, and in order to protect the safety of electric equipment and personnel, must avoid.
Usually electrical interlocks can be used to realize the interlocking of above-mentioned two-way power supply, and namely a road power supply connects, and another road power supply must be disconnect, but situation about losing efficacy also may appear in electrical interlocks.Therefore, be necessary to propose a kind of mechanical interlocked mode, when electrical interlocks lost efficacy, still ensure the interlocking of two-way power supply.
Utility model content
In view of the demand proposed in background technology, the utility model aims to provide a kind of locking mechanism for switch, it can ensure after pulling this locking mechanism, switch can not close, in addition, the utility model also provides a kind of mechanical interlocking device for biswitch, and it by controlling the interlocking of biswitch, can ensure the interlocking of two-way power supply effectively.
In the utility model, the interlocking of the two-way power supply of indication refers to: two-way power supply is arranged in same circuit, be same power electrical apparatus, but in use only need and a road power supply only can be used to power, when a road power supply is connected, another road power supply must be disconnect.
Control it at the utility model Zhong Mei road power supply by a switch to switch on and off.
Technical scheme according to the locking mechanism for switch of the present utility model is: a kind of locking mechanism for switch, described switch comprises rotating shaft, moving contacting plate and quiet contact chip, moving contacting plate to be arranged in rotating shaft and to be fixedly connected with rotating shaft, when the spindle is rotated, moving contacting plate and rotating shaft synchronous axial system, when moving contacting plate turn to contact with quiet contact chip time, switch closes, wherein: described locking mechanism is fixed to rotating shaft by spring, described spring is stage clip, described locking mechanism comprises stopper section, when described spring is compressed, described stopper section is moved to rotating shaft, for backstop moving contacting plate, thus moving contacting plate can not rotate, prevent moving contacting plate from contacting with quiet contact chip, switch can not close.
Preferably, described locking mechanism also comprises shielding portion, and when described spring is compressed, described shielding portion with the operative end of covering rotating shaft, thus makes the operative end of rotating shaft can not be close to the operative end motion of rotating shaft.
In the utility model, the operative end of the rotating shaft of indication refers to, the rotating shaft of switch needs to use spanner usually, and the instruments such as sleeve operate, and this operative end is the end that rotating shaft engages spanner, sleeve etc.
Preferably, when described spring is compressed into extreme position, the whole operative end of described shielding part shields rotating shaft.
Preferably, moving contacting plate is provided with outwardly protuberance, this protuberance is used for by described stopper section backstop.
Preferably, locking mechanism being provided with a brake cable for the pulling force overcoming spring pulls locking mechanism to move to rotating shaft.
According to the locking mechanism for switch of the present utility model, can when locking mechanism move to the rotating shaft of switch, by the motion of backstop moving contacting plate, thus the axis of rotation of stop switch, therefore, moving contacting plate cannot contact quiet contact chip, thus switch cannot close.Meanwhile, use the shielding part shields operative end of switch shaft, make spanner, the instrument that sleeve etc. engage rotating shaft close to the operative end of rotating shaft, therefore, also mechanically cannot cannot make pivot.
The utility model additionally provides a kind of interlocking device for biswitch, described biswitch is the first switch and second switch, wherein, comprise two above-mentioned locking mechanisms, be respectively the first locking mechanism and the second locking mechanism, first locking mechanism is used for the first switch, second locking mechanism is used for second switch, described first switch is identical with the structure of described switch with described second switch, also comprise two brake cable, be respectively first brake line and the second brake cable, one end of first brake line is connected on the moving contacting plate of second switch, when the rotating shaft of second switch drives the moving contacting plate of second switch rotate and make the moving contacting plate of second switch contact with quiet contact chip, first brake line can be pulled to move, the other end of first brake line is connected on the first locking mechanism, when pulling first brake line and overcome the pulling force of the spring of the first locking mechanism, first locking mechanism is to the pivot of the first switch and the moving contacting plate of backstop first switch, prevent the moving contacting plate of the first switch from contacting with quiet contact chip, one end of second brake cable is connected on the moving contacting plate of the first switch, when the rotating shaft of the first switch drives the moving contacting plate of the first switch to rotate and makes the moving contacting plate of the first switch contact with quiet contact chip, the second brake cable motion can be pulled, the other end of the second brake cable is connected on the second locking mechanism, when pulling the second brake cable and overcome the pulling force of the spring of the second locking mechanism, second locking mechanism to the pivot of second switch and the moving contacting plate of backstop second switch, prevents the moving contacting plate of second switch from contacting with quiet contact chip.
By arranging the first locking mechanism and the second locking mechanism on the first switch and second switch respectively, and use two brake cable to be connected on the moving contacting plate of the first switch and the moving contacting plate of the second locking mechanism and second switch and the first locking mechanism simultaneously, ensure that when second switch closes, when namely closing a floodgate, first locking mechanism blocks the closed of the first switch, when the first switch closes, the second locking mechanism blocks the closed of second switch.Therefore, reliably be ensure that by mechanical structure, two-way switch can not close a floodgate simultaneously, and therefore, double loop power supply can not be powered simultaneously, achieves the interlocking of two-way power supply.
Accompanying drawing explanation
Other advantage of the present utility model and feature by from ensuing only with the object of non-limiting example provide and the explanation of the specific embodiment of the present utility model represented in the accompanying drawings become clearly obviously, in the accompanying drawings:
Fig. 1 and Fig. 2 shows according to of the present utility model for the locking mechanism of switch and the rotating shaft of switch and moving contacting plate;
Fig. 3 shows the structure of the wherein part according to the interlocking device for biswitch of the present utility model;
Fig. 4 shows the detailed structure of the major part according to the locking mechanism for switch of the present utility model.
Description of reference numerals
1 locking mechanism
2 rotating shafts
3 stopper sections
4 protuberances
5 shielding portions
6 moving contacting plates
7 springs
8 second brake cable
9 first brake lines
10 first locking mechanisms
Embodiment
Below in conjunction with Fig. 1 to Fig. 4, the locking mechanism for switch of the present utility model and the interlocking device for biswitch are described in detail.
Fig. 1 and Fig. 2 shows according to of the present utility model for the locking mechanism of switch and the rotating shaft of switch and moving contacting plate.Concrete structure for the locking mechanism of this execution mode is shown in Fig. 4, but, it is to be noted that also the locking mechanism of not all must be the shape shown in Fig. 4, stop the rotating shaft of switch to rotate as long as locking mechanism can meet, realize the function stoping switch to close.
As shown in Figure 1, switch comprises rotating shaft 2, moving contacting plate 6 and quiet contact chip (not shown), moving contacting plate 6 to be arranged in rotating shaft 2 and to be fixedly connected with rotating shaft, in this embodiment, moving contacting plate 6 is arranged porose, rotating shaft is through this hole, moving contacting plate via this hole around and rotating shaft of fitting, rotating shaft is polygonal, when the spindle is rotated, moving contacting plate and rotating shaft synchronous axial system, contact with quiet contact chip when moving contacting plate turns to certain position, now, switch closes.
Locking mechanism 1 is fixed to rotating shaft by spring 7, spring 7 is stage clips, when spring 7 is in nature extended configuration time, the elastic force of spring 7 keeps having fixing distance between locking mechanism 1 and rotating shaft, thus locking mechanism 1 does not produce interference with the moving contacting plate 6 of switch.Described locking mechanism 1 comprises stopper section 3, when described spring 7 is by compression, described stopper section 3 is moved to rotating shaft 2, when moving to appropriate location, stopper section 3 and moving contacting plate 6 produce interferes, and the rotary motion of backstop moving contacting plate 6, thus moving contacting plate 6 can not rotate, prevent moving contacting plate 6 to contact with quiet contact chip, switch can not close.
In this embodiment, moving contacting plate 6 is also provided with the protuberance that is specifically designed to backstop, this protuberance 4 is interfered for producing with stopper section 3, and prevents the rotary motion of moving contacting plate 6.
Locking mechanism 1 also comprises shielding portion 5, and when described spring 7 is by compression, described shielding portion 5 with the operative end of covering rotating shaft 2, thus makes the operative end of rotating shaft 2 can not be close to the operative end motion of rotating shaft 2.Further, when described spring 7 is compressed into extreme position, described shielding portion 5 can cover the whole operative end of rotating shaft.
In the utility model, the operative end of the rotating shaft 2 of indication refers to, the rotating shaft of switch needs to use spanner usually, and the instruments such as sleeve operate, and this operative end is the end that rotating shaft engages spanner, sleeve etc.
Can be provided with a brake cable for the pulling force overcoming spring 7 on locking mechanism 1 pulls locking mechanism 1 to move to rotating shaft 2.
According to the locking mechanism for switch of the present utility model, can when locking mechanism move to the rotating shaft of switch, by the motion of backstop moving contacting plate, thus the axis of rotation of stop switch, therefore, moving contacting plate cannot contact quiet contact chip, thus switch cannot close.Meanwhile, use the shielding part shields operative end of switch shaft, make spanner, the instrument that sleeve etc. engage rotating shaft close to the operative end of rotating shaft, therefore, also mechanically cannot cannot make pivot.
Fig. 3 shows the structure of the wherein part according to the interlocking device for biswitch of the present utility model, it illustrates one of them switch and a locking mechanism, and two brake cable of connecting valve and locking mechanism.
According to the interlocking device for biswitch of the present utility model, described biswitch is the first switch and second switch, comprise aforesaid two locking mechanisms, be respectively the first locking mechanism 10 and the second locking mechanism (not shown), first locking mechanism 10 is for the first switch, second locking mechanism is used for second switch, and described first switch is identical with the structure of described second switch, and all with above-mentioned introduce locking mechanism time the structure of switch that uses identical.
This interlocking device comprises two brake cable, be respectively first brake line 9 and the second brake cable 8, one end of first brake line 9 is connected on the moving contacting plate (not shown) of second switch, when the rotating shaft of second switch drives the moving contacting plate of second switch rotate and make the moving contacting plate of second switch contact with quiet contact chip, first brake line can be pulled to move, the other end of first brake line 9 is connected on the first locking mechanism 10, when pulling first brake line 9 and overcome the pulling force of the spring of the first locking mechanism 10, first locking mechanism 10 is to the pivot of the first switch and the moving contacting plate of backstop first switch, the moving contacting plate of the first switch is stoped to contact with quiet contact chip, one end of second brake cable 8 is connected on the moving contacting plate of the first switch, when the rotating shaft of the first switch drives the moving contacting plate of the first switch to rotate and makes the moving contacting plate of the first switch contact with quiet contact chip, the second brake cable 8 can be pulled to move, the other end of the second brake cable 8 is connected on the second locking mechanism (not shown), when pulling the second brake cable and overcome the pulling force of the spring of the second locking mechanism, second locking mechanism to the pivot of second switch and the moving contacting plate of backstop second switch, stops the moving contacting plate of second switch to contact with quiet contact chip.
By arranging the first locking mechanism and the second locking mechanism on the first switch and second switch respectively, and use two brake cable to be connected on the moving contacting plate of the first switch and the moving contacting plate of the second locking mechanism and second switch and the first locking mechanism simultaneously, ensure that when second switch closes, when namely closing a floodgate, first locking mechanism blocks the closed of the first switch, when the first switch closes, the second locking mechanism blocks the closed of second switch.Therefore, reliably be ensure that by mechanical structure, two-way switch can not close a floodgate simultaneously, and therefore, double loop power supply can not be powered simultaneously, achieves the interlocking of two-way power supply.
Above the utility model is described in detail; for one of ordinary skill in the art; according to the thought of the utility model embodiment; change in specific embodiments and applications should not think deviate from the utility model protection scope; in sum, this description should not be construed as restriction of the present utility model.
Claims (6)
1. the locking mechanism for switch, described switch comprises rotating shaft (2), moving contacting plate (6) and quiet contact chip, moving contacting plate (6) is arranged on rotating shaft (2) and goes up and be fixedly connected with rotating shaft (2), when rotating shaft (2) is rotated, moving contacting plate (6) and rotating shaft (2) synchronous axial system, when moving contacting plate (6) turn to contact with quiet contact chip time, switch closes, it is characterized in that: described locking mechanism (1) is fixed to rotating shaft by spring (7), described spring (7) is stage clip, described locking mechanism (1) comprises stopper section (3), when described spring (7) is by compression, described stopper section (3) is moved to rotating shaft, for backstop moving contacting plate (6), thus moving contacting plate (6) can not rotate, prevent moving contacting plate (6) from contacting with quiet contact chip, switch can not close.
2. locking mechanism according to claim 1, it is characterized in that: described locking mechanism (1) also comprises shielding portion (5), when described spring (7) is by compression, described shielding portion (5) with the operative end of covering rotating shaft (2), thus makes the operative end of rotating shaft (2) can not be close to the operative end motion of rotating shaft (2).
3. locking mechanism according to claim 2, is characterized in that: when described spring (7) is compressed into extreme position, described shielding portion (5) covers the whole operative end of rotating shaft.
4. locking mechanism according to claim 3, is characterized in that: on moving contacting plate (6), be provided with outwardly protuberance (4), and this protuberance (4) is for by described stopper section (3) backstop.
5. locking mechanism according to any one of claim 1 to 4, is characterized in that: on locking mechanism (1), being provided with a brake cable for the pulling force overcoming spring (7) pulls locking mechanism (1) mobile to rotating shaft (2).
6. the interlocking device for biswitch, described biswitch is the first switch and second switch, it is characterized in that: comprise two locking mechanisms according to any one of claim 1 to 4, be respectively the first locking mechanism and the second locking mechanism, first locking mechanism is used for the first switch, second locking mechanism is used for second switch, described first switch is identical with the structure of described switch with described second switch, also comprise two brake cable, be respectively first brake line and the second brake cable, one end of first brake line is connected on the moving contacting plate of second switch, when the rotating shaft of second switch drives the moving contacting plate of second switch rotate and make the moving contacting plate of second switch contact with quiet contact chip, first brake line can be pulled to move, the other end of first brake line is connected on the first locking mechanism, when pulling first brake line and overcome the pulling force of the spring of the first locking mechanism, first locking mechanism is to the pivot of the first switch and the moving contacting plate of backstop first switch, the moving contacting plate of the first switch is stoped to contact with quiet contact chip, one end of second brake cable is connected on the moving contacting plate of the first switch, when the rotating shaft of the first switch drives the moving contacting plate of the first switch to rotate and makes the moving contacting plate of the first switch contact with quiet contact chip, the second brake cable motion can be pulled, the other end of the second brake cable is connected on the second locking mechanism, when pulling the second brake cable and overcome the pulling force of the spring of the second locking mechanism, second locking mechanism to the pivot of second switch and the moving contacting plate of backstop second switch, stops the moving contacting plate of second switch to contact with quiet contact chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735017.7U CN204289165U (en) | 2014-11-28 | 2014-11-28 | Locking mechanism for switch and the interlocking device for biswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735017.7U CN204289165U (en) | 2014-11-28 | 2014-11-28 | Locking mechanism for switch and the interlocking device for biswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289165U true CN204289165U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420735017.7U Active CN204289165U (en) | 2014-11-28 | 2014-11-28 | Locking mechanism for switch and the interlocking device for biswitch |
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| Country | Link |
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| CN (1) | CN204289165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009259A (en) * | 2021-03-02 | 2021-06-22 | 上海化学工业检验检测有限公司 | Lightning protection element tester and testing method |
-
2014
- 2014-11-28 CN CN201420735017.7U patent/CN204289165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009259A (en) * | 2021-03-02 | 2021-06-22 | 上海化学工业检验检测有限公司 | Lightning protection element tester and testing method |
| CN113009259B (en) * | 2021-03-02 | 2022-08-30 | 上海化学工业检验检测有限公司 | Lightning protection element tester and testing method |
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