CN2906866Y - Circuit switch - Google Patents
Circuit switch Download PDFInfo
- Publication number
- CN2906866Y CN2906866Y CN 200620103024 CN200620103024U CN2906866Y CN 2906866 Y CN2906866 Y CN 2906866Y CN 200620103024 CN200620103024 CN 200620103024 CN 200620103024 U CN200620103024 U CN 200620103024U CN 2906866 Y CN2906866 Y CN 2906866Y
- Authority
- CN
- China
- Prior art keywords
- copper sheet
- transmission shaft
- sheet group
- group
- power transmission
- 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 - Fee Related
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model discloses a circuit switch which realizes a cycle at every 90 degree and has a function of positioning control, comprising a circuit board, a copper strip group provided with contacts which are positioned on the circuit board, and a transmission shaft which is connected with the end of the copper strip group. The copper strip group is composed of a superior copper strip group and an inferior copper strip group; the length of the copper strips which are far away from the center of the transmission shaft are a little longer than the length of the copper strips which are near the center of the transmission shaft; a plurality of angularities are arranged on the circumference where the transmission shaft is connected with the copper strip group, and pair positioned on the periphery of the transmission shaft at a interval of 180 degrees; a group of angularities corresponding to the superior copper strip group and a group of angularities corresponding to the inferior copper strip group are staggered positioned by 90 degrees respectively. The utility model is applied in the position controlling of the freewheeling device, particularly in the control device of the valve.
Description
Technical field
The utility model relates to a kind of contactor, relates in particular to a kind of contactor that is used for the position control device of one-directional rotation equipment.
Background technology
At present, the contactor that is used for the position control device of one-directional rotation equipment generally adopts sensitive switch control, this control device comprises power transmission shaft, the power transmission shaft both sides are provided with sensitive switch, power transmission shaft and sensitive switch touching position are clipped one and are formed breach perpendicular to the cross section of horizontal plane, be in the position of breach when the sensitive switch of a side, the residing loop of this sensitive switch is in " outage " state, because opposite side sensitive switch and power transmission shaft periphery keep in touch, the residing loop of this sensitive switch is in " energising " state, when power transmission shaft turns over 180 when spending, two sensitive switches and power transmission shaft position contacting are just exchanged, the also corresponding change of the residing loop state of sensitive switch, the defective of this control device is moving 180 degree of power transmission shaft revolution, the connecting and disconnecting of the circuit electricity once, realize a Control Circulation, and when being used for the rotary motion valve gate control, because being communicated with, valve generally is in a straight line, rotate 180 degree as power transmission shaft, actual valve body also keeps " connection " or " closing " state, does not just have by-pass valve control and closes or from being closed to the purpose of unlatching from being opened to.
Summary of the invention
The utility model is can not realize a circulation in order to solve moving 90 degree of existing sensitive switch power transmission shaft revolution, does not reach the purpose of positioning control, provides a kind of per 90 degree to realize a circulation, plays the contactor of positioning control.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model comprises circuit board, be arranged at the copper sheet group that has the contact on the circuit board and with the contacted power transmission shaft in copper sheet group end, the copper sheet group was formed under described copper sheet group was reached by last copper sheet group, copper sheet length dimension from described center transmission shaft distance is slightly larger than from the near copper sheet length dimension of described center transmission shaft distance, described power transmission shaft and copper sheet group touching position are provided with corner angle, described corner angle in pairs at interval 180 degree are arranged at the power transmission shaft periphery, arrange corresponding to the one group of corner angle of last copper sheet group and 90 degree that stagger respectively corresponding to one group of corner angle of copper sheet group down.
As preferably, described corner angle position is provided with perpendicular to two of horizontal plane intersects cross sections, and described corner angle are made up of one of them cross section and power transmission shaft circumferential profile, and the angle that described two sections intersects formation is not more than 90 and spends.
The utility model compared with prior art, adopt the design of the corner angle and the two crossing vertical cross-sections of power transmission shaft and the contacted position of copper sheet group, when moving 90 degree of power transmission shaft revolution, two copper sheets in the copper sheet group enter vertical cross-section from the power transmission shaft periphery, because the length difference of two copper sheets in the copper sheet group, short copper sheet breaks away from the corner angle position earlier and begins to enter vertical cross-section, and long copper piece also is in the corner angle position, thereby two contacts in the copper sheet group are separated, thereby realize the positioning control of a circulation, so novel in design, simple in structure, have tangible advantage and good effect.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is Fig. 1 vertical view;
Fig. 3 is that the A-A of Fig. 1 is to amplification view;
Fig. 4 is that the B-B of Fig. 1 is to amplification view;
Fig. 5 is the structural representation of sensitive switch control device.
Embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is described in further detail:
As Fig. 1 and shown in Figure 2, the utility model comprises circuit board 1, has copper sheet group and power transmission shaft 5 that contact 2 is made up of last copper sheet group 3 and following copper sheet group 4, and copper sheet group one end links to each other with circuit board 1, and the other end contacts with power transmission shaft 5.
As shown in Figure 3 and Figure 4, be slightly larger than from the near copper sheet length dimension of center transmission shaft distance from power transmission shaft 5 centre distances copper sheet length dimension far away, power transmission shaft 5 is provided with corner angle 6 with copper sheet group touching position, described corner angle 6 interval 180 degree in pairs are arranged at power transmission shaft 5 peripheries, arrange corresponding to the one group of corner angle 6 of last copper sheet group 3 and 90 degree that stagger respectively corresponding to the one group of corner angle 6 that descends copper sheet group 4, corner angle 6 positions are provided with perpendicular to two of horizontal plane intersects the cross section, corner angle 6 are made up of one of them cross section and power transmission shaft 5 circumferential profile, and it is 90 degree or 85 degree that two sections intersects the angle that forms.
The utility model operation principle in actual applications is as follows:
Copper sheet component other places were in two control loops under as above the copper sheet group reached, under the effect of external control switch, make two loops replace power on/off, under the drive of power transmission shaft at motor, when last copper sheet group all contacts with the power transmission shaft periphery with the short copper sheet of following copper sheet group, last copper sheet group all keeps combining with contact on the following copper sheet group, but because external control switch is only for wherein loop energising, above copper sheet group and the residing loop of following copper sheet group can only be a state that is in " energising ", another then is in the state of " outage ".
When the corner angle position that the short copper sheet in the last copper sheet group has just broken away from the power transmission shaft periphery enters vertical cross-section, because long copper piece also keeps in touch with the corner angle of power transmission shaft periphery, at this moment go up two contact separation in the copper sheet group, and owing to arrange corresponding to the one group of corner angle of last copper sheet group and 90 degree that stagger respectively corresponding to one group of corner angle of copper sheet group down, short copper sheet and power transmission shaft periphery in the following copper sheet group keep in touch, when external control switch makes the energising of the residing loop of copper sheet group, because two contact separation in the last copper sheet group, the whole loop of last copper sheet group still is in the state of " outage ", and the corresponding residing loop outage of copper sheet group down, though two contact combinations in the following copper sheet group, the whole loop of following copper sheet group also is in the state of " outage "; When external control switch made the outage of the residing loop of copper sheet group, whole loop was in the state of " outage " naturally, and the residing loop energising of corresponding copper sheet group down, two contact combinations in the following copper sheet group, the whole loop of following copper sheet group is in the state of " energising ".
On the contrary, when the corner angle position that just broken away from the power transmission shaft periphery of the short copper sheet in the copper sheet group enters vertical cross-section instantly, two contact separation in the following copper sheet group, two contacts in the last copper sheet group remain closed, when external control switch made down the energising of the residing loop of copper sheet group, because two contact separation in the following copper sheet group, the whole loop of following copper sheet group was in the state of " outage ", and the corresponding residing loop of copper sheet group of going up cuts off the power supply, and the whole loop of last copper sheet group is in the state of " outage " naturally; And external control switch makes down the residing loop outage of copper sheet group, and the whole loop of following copper sheet group is in the state of " outage ", and the corresponding residing loop of copper sheet group of going up switches on, and two contacts are also closed in the last copper sheet group, and whole loop is in the state of " energising ".
When the utility model is applied to valve control, copper sheet component other places were in the unidirectional commentaries on classics control loop of electro-motor under last copper sheet group reached, driving power transmission shaft by motor rotates, moving 90 degree of power transmission shaft revolution, the control loop power on/off once, and power transmission shaft is connected with spool, thereby reaches " connection " or " closing " of application valve body.
As shown in Figure 5, the sensitive switch control device of using in the prior art comprises power transmission shaft 10, is arranged at the sensitive switch 11 of power transmission shaft 10 both sides.
The utility model is applicable in the position control device of one-directional rotation equipment, is specially adapted in the control device of valve.
Claims (2)
1. contactor, comprise circuit board, being arranged at the copper sheet group that has the contact on the circuit board reaches and the contacted power transmission shaft in copper sheet group end, it is characterized in that described copper sheet group reaches following copper sheet group by last copper sheet group and forms, copper sheet length dimension from described center transmission shaft distance is slightly larger than from the near copper sheet length dimension of described center transmission shaft distance, described power transmission shaft and copper sheet group touching position are provided with corner angle, described corner angle in pairs at interval 180 degree are arranged at the power transmission shaft periphery, arrange corresponding to the one group of corner angle of last copper sheet group and 90 degree that stagger respectively corresponding to one group of corner angle of copper sheet group down.
2. contactor according to claim 1, it is characterized in that described corner angle position is provided with two crossing cross sections perpendicular to horizontal plane, described corner angle are made up of one of them cross section and power transmission shaft circumferential profile, and described two sections intersects the angle that forms and is not more than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103024 CN2906866Y (en) | 2006-04-25 | 2006-04-25 | Circuit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103024 CN2906866Y (en) | 2006-04-25 | 2006-04-25 | Circuit switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906866Y true CN2906866Y (en) | 2007-05-30 |
Family
ID=38115509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620103024 Expired - Fee Related CN2906866Y (en) | 2006-04-25 | 2006-04-25 | Circuit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906866Y (en) |
-
2006
- 2006-04-25 CN CN 200620103024 patent/CN2906866Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |