The scram button of band work condition indicator
Technical field
The present invention relates to a kind of shift knob, particularly a kind of scram button with work condition indicator.
Background technology
As everyone knows, scram button is to be used in case of emergency promptly cutting off circuit, with the safety that ensures machinery equipment and personal property, and scram button all is to adopt push type usually, promptly in case of emergency, by pressing the pressing piece of scram button, pressing piece drives sliding component and moves down and locate, push rod by sliding component drive lower end moves down again, thereby make the switch element action and cut off circuit, and after mechanical disorder is got rid of, then make to move on sliding component and the push rod to reset by rotary push spare, switch element also promptly returns back to initial condition, and is unimpeded even circuit recovers.But in actual use, we often can not judge exactly whether in running order scram button is, be that pressing piece is in pressing position or is in initial position, we can not in time judge easily, this gives and uses operation to make troubles: such as in some machinery equipment, run into utilize the scram button open circuit under the situation after, fixing a breakdown needs the long period, and when desiring to restart machine, do not have in time scram button to be resetted owing to depositing carelessness, and can not judge from presentation whether scram button has resetted, thus machine can't normally be started, cause unnecessary trouble and inconvenience.
Summary of the invention
Thereby the purpose of this invention is to provide a kind of scram button that work condition indicator can conveniently be judged button service position of living in that has.
The objective of the invention is to realize by following technical solution: a kind of scram button with operating status display apparatus, include housing, be arranged on the pressing piece of housing upper end, be arranged on sliding component and the push rod that is arranged on the housing lower end in the housing, described sliding component is connected with housing by spring shaft, described inner walls is provided with first annular groove separated by a distance and second annular groove, the corresponding spring shaft that is provided with on the described sliding component, primary importance that its spring shaft of sliding component tool matches with first annular groove and the second place position of matching with second annular groove, described push rod and sliding component are connected, pressing piece and sliding component are linked, be characterized in: described pressing piece is provided with observation panel, below observation panel, be provided with indication piece, this indication piece one end and sliding component are hinged, the other end is hinged on the connecting rod, the other end of connecting rod is hinged with housing again, the upper surface of indication piece is provided with two kinds of different signs, cooperate with rotating with the described indication piece of the displacement of sliding component along jointed shaft, and make indication piece have on one sign and the pressing piece on the upper surface of indication piece when sliding component is in primary importance the corresponding primary importance of observation panel and when sliding component is in the second place one other identification and the corresponding second place of the observation panel on the pressing piece on the upper surface of indication piece.When pressing pressing piece, pressing piece drives sliding component and push rod and moves down and make switch element work, make circuit disconnect, at this moment because also the moving down of indication piece with sliding component with the hinged end of sliding component, and the other end is owing to be to be connected on the housing by connecting rod, and housing is motionless, therefore can make indication piece along the jointed shaft rotation hinged with sliding component, make that the one sign on the indication piece is relative with the observation panel of pressing piece, can see this sign by this observation panel, on behalf of scram button, this sign also just be in the service position, same, when rotary push spare makes when retracting on sliding component and the push rod, switch element also sets back, and promptly circuit recovers unimpeded, and at this moment indication piece makes the one other identification on it relative with the observation panel of pressing piece to opposite side rotation, just represent scram button to be in initial position by this sign that observation panel is seen, thereby made things convenient for use.
The present invention further is set to: described indication piece is fan-shaped, and its lower end is hinged on the sliding component, and its side and rod hinge connection are provided with two kinds of different colors and constitute described two kinds of signs on the cambered surface of indication piece.Indication piece is made as fan-shaped, can makes sign more press close to observation panel, thus the watching of more convenient operating personnel.
Indication piece among the present invention can directly be hinged on the housing by connecting rod, but consider the reasonability of structure, the present invention is set as: be provided with a cavity in the upper end of sliding component, be provided with a connection piece in the cavity, described connecting rod one end and indication piece are hinged, the other end and this connector are hinged, and connector is fixedly connected on the shell by the bearing pin that passes across sliding component, but and correspondingly on the sliding component are provided with the elongated slot that a supply and marketing axle moves.
Sliding component can be an integral body, also can form for two parts of split, but the present invention is preferably by two parts and forms, specifically be set to: described sliding component is made of last sliding component and following sliding component, last sliding component is connected with pressing piece, following sliding component is connected with push rod, last sliding component is set in down the upper end of sliding component and runs through on last sliding component and is provided with elongated slot, spring shaft passes this elongated slot and connects sliding component and following sliding component, is provided with to order about the make progress spring of slippage of sliding component between last sliding component and last sliding component.By sliding component is set as can elastic displacement two parts, thereby make when just depressing pressing piece, pressing piece only presses sliding component and spring down, the following sliding component of lower end does not move down, have only when spring shaft is run into the upper surface of elongated slot, last sliding component directly presses down down sliding component again by spring shaft, thereby push rod is moved down, and makes to have better operating handle when pushing like this.
Usually the observation panel transparency cover capping of pressing piece does not so promptly influence and watches, and can prevent effectively that again extraneous water and foul from falling in the button.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention
Fig. 2 is the A-A cutaway view of Fig. 1
Embodiment
Now in conjunction with the accompanying drawings the present invention is further described:
By Fig. 1, as can be known shown in Figure 2, a kind of scram button of the present invention with operating status display apparatus, include housing 2, be arranged on the pressing piece 1 of housing 2 upper ends, be arranged on sliding component 9 and the push rod 12 that is arranged on housing 2 lower ends in the housing 2, described sliding component is connected with housing 2 by spring shaft 10, described housing 2 inwalls are provided with first annular groove 914 separated by a distance and second annular groove 915, the corresponding spring shaft 10 that is provided with on the described sliding component 9, primary importance that its spring shaft 10 of sliding component 9 tools matches with first annular groove 914 and the second place position of matching with second annular groove 915, described push rod 12 is connected with sliding component 9, pressing piece 1 is linked with sliding component 9, described pressing piece 1 is provided with observation panel 14, below observation panel 14, be provided with indication piece 5, these indication piece 5 one ends and sliding component 9 are hinged, the other end is hinged on the connecting rod 4, the other end of connecting rod 4 is hinged with housing 2 again, the upper surface 51 of indication piece 5 is provided with two kinds of different signs, and (this sign can be discerned by different colors is set, also can distinguish) by other mode, cooperate with rotating with the described indication piece 5 of the displacement of sliding component 9 along jointed shaft 7, and make indication piece 5 have on one sign and the pressing piece 1 on the upper surface 51 of indication piece 5 when sliding component 9 is in primary importance observation panel 14 corresponding primary importances and when sliding component 9 is in the second place one other identification and the 14 corresponding second places of the observation panel on the pressing piece 1 on the upper surface 51 of indication piece 5.When pressing pressing piece 1, pressing piece 1 drives sliding component 9 and push rod 12 and moves down and make switch element work, make circuit disconnect, at this moment because also the moving down of indication piece 5 with sliding component 9 with the hinged end of sliding component 9, and the other end is owing to be to be connected on the housing 2 by connecting rod 4, and housing 2 is motionless, therefore can make indication piece 5 along jointed shaft 7 rotations hinged with sliding component 9, make that the one sign on the indication piece 5 is relative with the observation panel 14 of pressing piece 1, can see this sign by this observation panel 14, on behalf of scram button, this sign also just be in the service position, same, when rotary push spare 1 makes when retracting on sliding component 9 and the push rod 12, switch element also sets back, and promptly circuit recovers unimpeded, and at this moment indication piece 5 makes the one other identification on it relative with the observation panel 14 of pressing piece 1 to opposite side rotation, just represent scram button to be in initial position by this sign that observation panel 14 is seen, thereby made things convenient for use.
Indication piece 5 among the present invention is fan-shaped, and its lower end is hinged on the sliding component 9, and its side and connecting rod 4 are hinged, two kinds of different colors is set on the cambered surface 51 of indication piece 5 constitutes described two kinds of signs.Indication piece 5 is made as fan-shaped, can make sign more press close to observation panel 14, thereby watching of more convenient operating personnel in addition, is set as the fan-shaped compactness of utilizing structure space that also more has.And obvious, other shape such as square also certainly within protection range of the present invention.
Indication piece 5 among the present invention can directly be hinged on the housing 2 by connecting rod 4, but consider the reasonability of structure, the present invention is set as: be provided with a cavity 911 in the upper end of sliding component 9, be provided with a connection piece 3 in the cavity 911, described connecting rod 4 one ends and indication piece 5 are hinged, the other end and this connector 3 are hinged, connector 3 is fixedly connected on the shell 2 by the bearing pin 8 that passes across sliding component 9, but and correspondingly on pressing piece 1 and sliding component 9 be provided with the elongated slot 13 that supply and marketing axle 8 moves, 911, after being provided with like this, press down pressing piece 1, pressing piece 1 drives sliding component 9 and moves down, and jointed shaft 7 also moves down, and owing to bearing pin 8 is fixedly connected on the shell 2, therefore bearing pin 8 and connector 3 are motionless, and connecting rod 4 is held the upper side edge of indication pieces 5 and can not be moved down, so indication piece 5 just turns clockwise with jointed shaft 7, in like manner, when making by rotary push spare 1 when retracting on pressing piece 1 and the sliding component 9, indication piece 5 just is rotated counterclockwise along jointed shaft 7.
Sliding component 9 among the present invention can be an integral body, also can form for two parts of split, form but be preferably by two parts, specifically be set to: described sliding component 9 is made of with following sliding component 92 last sliding component 91, last sliding component 91 is connected with pressing piece 1, following sliding component 92 is connected with push rod 12, last sliding component 91 is set in down the upper end of sliding component 92 and runs through on last sliding component 91 and is provided with elongated slot 913, spring shaft 10 passes this elongated slot 913 and connects upward sliding component 91 and following sliding component 92, is provided with to order about the upwards spring 11 of slippage of sliding component 91 between last sliding component 91 and last sliding component 92.By sliding component 9 is set as can elastic displacement two parts 91,92, thereby make when just depressing pressing piece 1, press sliding component 91 and spring 11 under 1 of the pressing piece, the following sliding component 92 of lower end does not move down, have only when spring shaft 10 is run into the upper surface of elongated slot 913, last sliding component 91 directly presses down down sliding component 92 by spring shaft 10 again, thereby a bar 12 is moved down, and makes to have better operating handle when pushing like this.
In the illustrated embodiment, the observation panel 14 of pressing piece 1 is also used transparency cover capping 6, does not so promptly influence and watches, and can prevent effectively that again extraneous water and foul from falling in the button.