CN203189052U - Air door - Google Patents
Air door Download PDFInfo
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- CN203189052U CN203189052U CN 201320011153 CN201320011153U CN203189052U CN 203189052 U CN203189052 U CN 203189052U CN 201320011153 CN201320011153 CN 201320011153 CN 201320011153 U CN201320011153 U CN 201320011153U CN 203189052 U CN203189052 U CN 203189052U
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- selector switch
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- connecting rod
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Abstract
The utility model provides an air door. The air door comprises a first door leaf, a first air cylinder, a second door leaf, a second air cylinder, a first air path control unit and a second air path control unit, wherein a first two-position two-way pneumatic control valve is arranged between the first air path control unit and a downhole compressed air source, a second two-position two-way pneumatic control valve is arranged between the second air path control unit and the downhole compressed air source, the control end of the first two-position two-way pneumatic control valve is communicated with the second air cylinder, and the control end of the second two-position two-way pneumatic control valve is communicated with the first air cylinder. When the first air path control unit controls the first door leaf to open, the pressure driving a telescopic rod to move simultaneously drives the second two-position two-way pneumatic control valve to close. When the second air path control unit controls the second door leaf to open, the pressure driving the telescopic rod to move simultaneously drives the first two-position two-way pneumatic control valve to close. The air door can be opened or closed rapidly and safely.
Description
Technical field
The utility model relates to mine ventilation technology, relates in particular to a kind of air door.
Background technology
In coal mining, the safety in colliery is extremely important, and wherein, mine ventilation system is to guarantee mine safety whether key, and the air door in the mine ventilation system is the key that keeps mine ventilation system stable operation.Air door mainly is to arrange for personnel in the pit, material are current, when assurance personnel, material down-hole are current, also is used for the distinguished and admirable adjusting in down-hole, avoiding occurring distinguished and admirable short circuit, thereby guarantees the reliability service of whole ventilation system.
At present, the opening and closing mode of air door mainly is by manually opening or close in mode such as manually draw, push away, because in the mine laneway, the forward blast of air door is bigger, when personnel were current, it was the thing that wastes time and energy very much that common people want manually opened air door.If the generation down-hole accident, when the miner need carry out emergency escape, the consequence that can't open air door with manpower quick, easy, safely will cause catastrophic accident.
The utility model content
The utility model provides a kind of air door, and is quick to realize, easy, laborsaving, open or close air door safely.
The utility model provides a kind of air door, comprising:
First door leaf is arranged in the underworkings, and described first door leaf is connected with the expansion link of first cylinder, and described first cylinder is used for driving the unlatching of described first door leaf or closing;
Second door leaf is arranged in the underworkings, and described second door leaf is connected with the expansion link of second cylinder, and described second cylinder is used for driving the unlatching of described first door leaf or closing;
The first gas circuit control module connects the down-hole and presses general mood source and described first cylinder, and the expansion link that is used for control first cylinder stretches out or regains;
The second gas circuit control module connects the down-hole and presses general mood source and described second cylinder, is used for the stretching out or regain of expansion link of control second cylinder;
Wherein, the described first gas circuit control module and described down-hole are pressed between the general mood source and are provided with the first 2/2-way Pneumatic valve, the described second gas circuit control module and described down-hole are pressed between the general mood source and are provided with the second 2/2-way Pneumatic valve, the control end of the described first 2/2-way Pneumatic valve is connected with described second cylinder, and the control end of the described second 2/2-way Pneumatic valve is connected with described first cylinder;
When the first gas circuit control module was controlled described first door leaf and opened, the air pressure that drives the expansion link motion drove the described second 2/2-way Pneumatic valve simultaneously and closes;
When the second gas circuit control module was controlled described second door leaf and opened, the air pressure that drives the expansion link motion drove the described first 2/2-way Pneumatic valve simultaneously and closes.
Described air door, preferred, also comprise:
First connecting rod, first end of described first connecting rod and described first door leaf are hinged;
Second connecting rod, first end of described second connecting rod and second end of described first connecting rod are hinged, second end of described second connecting rod and the expansion link of described first cylinder are hinged, be provided with first fixed axis between first end of described second connecting rod and second end, the base of described first cylinder is provided with first rotating shaft, when the expansion link of described first cylinder stretches out or regains, described first cylinder can rotate around described first rotating shaft, simultaneously, described second connecting rod rotates around described first fixed axis under the drive of the expansion link of described first cylinder, and drive described first connecting rod motion, to open or to close described first door leaf;
Third connecting rod, first end of described third connecting rod and described second door leaf are hinged;
The 4th connecting rod, first end of described the 4th connecting rod and second end of described third connecting rod are hinged, second end of described the 4th connecting rod and the expansion link of described second cylinder are hinged, be provided with second fixed axis between first end of described the 4th connecting rod and second end, the base of described second cylinder is provided with second rotating shaft, when the expansion link of described second cylinder stretches out or regains, described second cylinder can rotate around described second rotating shaft, simultaneously, described the 4th connecting rod rotates around described second fixed axis under the drive of the expansion link of described second cylinder, and drive described third connecting rod motion, to open or to close described second door leaf.
Described air door, preferred:
The described first gas circuit control module, comprise the first air-flow selector switch and the second air-flow selector switch, the described first air-flow selector switch and the second air-flow selector switch lay respectively at inboard and the outside of described first door leaf, the described first air-flow selector switch and the second air-flow selector switch comprise out the position respectively, three gears of zero-bit and off-position, the inlet end of the described first air-flow selector switch and the second air-flow selector switch presses the general mood source in parallel with described down-hole, the back in parallel, position of opening of the described first air-flow selector switch and the second air-flow selector switch links to each other with the contraction air inlet port of described first cylinder, link to each other with the stretching, extension air inlet port of described first cylinder after the off-position parallel connection of the described first air-flow selector switch and the second air-flow selector switch, the zero-bit of the described first air-flow selector switch and the second air-flow selector switch is vacant;
The described second gas circuit control module, comprise the 3rd air-flow selector switch and the 4th air-flow selector switch, described the 3rd air-flow selector switch and the 4th air-flow selector switch lay respectively at inboard and the outside of described second door leaf, described the 3rd air-flow selector switch and the 4th air-flow selector switch comprise out the position respectively, three gears of zero-bit and off-position, the inlet end of described the 3rd air-flow selector switch and the 4th air-flow selector switch presses the general mood source in parallel with described down-hole, the back in parallel, position of opening of described the 3rd air-flow selector switch and the 4th air-flow selector switch links to each other with the contraction air inlet port of described second cylinder, link to each other with the stretching, extension air inlet port of described second cylinder after the off-position parallel connection of described the 3rd air-flow selector switch and the 4th air-flow selector switch, the zero-bit of described the 3rd air-flow selector switch and the 4th air-flow selector switch is vacant;
Wherein, the control end of the described first 2/2-way Pneumatic valve is communicated with the rod chamber of described second cylinder, and the control end of the described second 2/2-way Pneumatic valve is communicated with the rod chamber of described first cylinder;
When the gear of the described first air-flow selector switch or the second air-flow selector switch is allocated to out, the described second 2/2-way Pneumatic valve is closed, when the gear of the described first air-flow selector switch or the second air-flow selector switch was allocated to off-position or zero-bit, the described second 2/2-way Pneumatic valve was opened;
When the gear of described the 3rd air-flow selector switch or the 4th air-flow selector switch is allocated to out, the described first 2/2-way Pneumatic valve is closed, when the gear of described the 3rd air-flow selector switch or the 4th air-flow selector switch was allocated to off-position or zero-bit, the described first 2/2-way Pneumatic valve was opened.
Described air door, preferred, the contraction air inlet port of the contraction air inlet port of described first cylinder and stretching, extension air inlet port place and described second cylinder and stretching, extension air inlet port place are equipped with rapid escape valve.
Described air door, preferred, first end of described first connecting rod is hinged by U-shaped link slot and described first door leaf, and first end of described third connecting rod is hinged by U-shaped link slot and described second door leaf.
Based on above-mentioned, the air door that the utility model provides, when the first gas circuit control module is controlled described first door leaf and is opened, the down-hole press the general mood source by supply air line to the first cylinder air feed, in order to drive the expansion link motion of first cylinder, open first door leaf, meanwhile, the pressure general mood that the flows into control end that flows into the second 2/2-way Pneumatic valve that fails to be convened for lack of a quorum is closed the second 2/2-way Pneumatic valve, thereby the general mood source is pressed in the down-hole that cuts off the second gas circuit control module, making makes second door leaf enter blocking in second cylinder source that runs out of steam; When the first gas circuit control module controls that described first door leaf cuts out or when being in original state, the control end pressure release of the second 2/2-way Pneumatic valve, the second 2/2-way Pneumatic valve is then opened automatically, thereby the general mood source is pressed in the down-hole of connecting the second gas circuit control module, make second cylinder recover power source, make the second door leaf release enter original state.In like manner, when opening second door leaf, also can make first door leaf enter blocking.Thus, make the opening and closing of air door quick, easy, laborsaving, simultaneously, because when a door opening, another air door then is in blocking, thereby has avoided two air doors to open the situation that causes distinguished and admirable short circuit simultaneously, has increased safety.
Description of drawings
The structural representation of a kind of air door that Fig. 1 provides for the utility model embodiment;
A kind of air door that Fig. 2 provides for the utility model embodiment and the structural representation of gas circuit control module thereof.
Reference numeral:
A: press the general mood source; 101: first connecting rod;
102: the first door leafs; 103: second connecting rod;
104: the first cylinders; 105: the first fixed axis;
106: third connecting rod; 107: the second door leafs;
108: the four connecting rods; 109: the second cylinders;
110: the second fixed axis; 111: the first air-flow selector switches;
112: the second air-flow selector switches; The contraction air inlet port of 113: the first cylinders;
The stretching, extension air inlet port of 114: the first cylinders; 115: the three air-flow selector switches;
116: the four air-flow selector switches; The contraction air inlet port of 117: the second cylinders;
The stretching, extension air inlet port of 118: the second cylinders; 119: the first 2/2-way Pneumatic valves;
120: the second 2/2-way Pneumatic valves; 121: rapid escape valve;
122:U type link slot.
The specific embodiment
Please refer to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of air door, comprising: first door leaf 102 is arranged in the underworkings, described first door leaf 102 is connected with the expansion link of first cylinder 104, and described first cylinder 104 is used for driving the unlatching of described first door leaf 102 or closing; Second door leaf 107 is arranged in the underworkings, and described second door leaf 107 is connected with the expansion link of second cylinder 109, and described second cylinder 109 is used for driving the unlatching of described first door leaf 102 or closing; The first gas circuit control module connects the down-hole and presses general mood source A and described first cylinder 104, and the expansion link that is used for control first cylinder 104 stretches out or regains; The second gas circuit control module connects the down-hole and presses general mood source A and described second cylinder 109, is used for the stretching out or regain of expansion link of control second cylinder 109; Wherein, the described first gas circuit control module and described down-hole are pressed between the general mood source A and are provided with the first 2/2-way Pneumatic valve 119, the described second gas circuit control module and described down-hole are pressed between the general mood source A and are provided with the second 2/2-way Pneumatic valve 120, the control end of the described first 2/2-way Pneumatic valve 119 is connected with described second cylinder 109, and the control end of the described second 2/2-way Pneumatic valve 120 is connected with described first cylinder 104; When the first gas circuit control module was controlled described first door leaf 102 and opened, the air pressure that drives the expansion link motion drove the described second 2/2-way Pneumatic valve 120 simultaneously and closes; When the second gas circuit control module was controlled described second door leaf 107 and opened, the air pressure that drives the expansion link motion drove the described first 2/2-way Pneumatic valve 119 simultaneously and closes.
In the present embodiment, when the first gas circuit control module is controlled described first door leaf 102 and is opened, the down-hole press general mood source A by supply air line to first cylinder, 104 air feed, in order to drive the expansion link motion of first cylinder 104, open first door leaf 102, meanwhile, the pressure general mood that the flows into control end that flows into the second 2/2-way Pneumatic valve 120 that fails to be convened for lack of a quorum is closed the second 2/2-way Pneumatic valve 120, thereby general mood source A is pressed in the down-hole that cuts off the second gas circuit control module, making makes second door leaf 107 enter blocking in second cylinder 109 source that runs out of steam; When the first gas circuit control module controls that described first door leaf 102 cuts out or when being in original state, the control end pressure release of the second 2/2-way Pneumatic valve 120,120 of the second 2/2-way Pneumatic valves are opened automatically, thereby general mood source A is pressed in the down-hole of connecting the second gas circuit control module, make second cylinder 109 recover power source, make 107 releases of second door leaf enter original state.When the second gas circuit control module is controlled described second door leaf 107 and is opened, the down-hole press general mood source A by supply air line to second cylinder, 109 air feed, in order to drive the expansion link motion of second cylinder 109, open second door leaf 107, meanwhile, the pressure general mood that the flows into control end that flows into the first 2/2-way Pneumatic valve 119 that fails to be convened for lack of a quorum is closed the first 2/2-way Pneumatic valve 119, thereby general mood source A is pressed in the down-hole that cuts off the first gas circuit control module, make the cylinder 104 of the winning source that runs out of steam, make first door leaf 102 enter blocking; When the second gas circuit control module controls that described second door leaf 107 cuts out or when being in original state, the control end pressure release of the first 2/2-way Pneumatic valve 119,119 of the first 2/2-way Pneumatic valves are opened automatically, thereby general mood source A is pressed in the down-hole of connecting the first gas circuit control module, make the cylinder 104 of winning recover power source, make 102 releases of first door leaf enter original state.Thus, make the opening and closing of air door quick, easy, laborsaving, simultaneously, because when a door opening, another air door then is in blocking, thereby avoided two air doors to open the situation that causes distinguished and admirable short circuit simultaneously, increased safety, in addition, because the 2/2-way Pneumatic valve has the function of automatic unlatching, therefore need not again to its unlatching arranges corresponding supply air line, thereby simplified pipeline structure, 2/2-way Pneumatic valve cost is lower simultaneously, is beneficial to the cost that reduces mine ventilation system.
In the present embodiment, preferred, air door also comprises: first connecting rod 101, and first end, first door leaf 102 of described first connecting rod 101 is hinged; Second connecting rod 103, first end of described second connecting rod 103 and second end of described first connecting rod 101 are hinged, second end of described second connecting rod 103 and the expansion link of first cylinder 104 are hinged, be provided with first fixed axis 105 between first end of described second connecting rod 103 and second end, the base of described gas first cylinder is provided with first rotating shaft, when the expansion link of described first cylinder 104 stretches out or regains, described first cylinder 104 can rotate around described first rotating shaft, simultaneously, described second connecting rod 103 rotates around described first fixed axis 105 under the drive of the expansion link of described first cylinder 104, and drive described first connecting rod 101 motions, to open or to close described first door leaf 102; Third connecting rod 106, first end of described third connecting rod 106 and second door leaf 107 are hinged; The 4th connecting rod 108, first end of described the 4th connecting rod 108 and second end of described third connecting rod 106 are hinged, second end of described the 4th connecting rod 108 and the expansion link of second cylinder 109 are hinged, be provided with second fixed axis 110 between first end of described the 4th connecting rod 108 and second end, the base of described second cylinder 109 is provided with second rotating shaft, when the expansion link of described second cylinder 109 stretches out or regains, described second cylinder 109 can rotate around described second rotating shaft, simultaneously, described the 4th connecting rod 108 rotates around described second fixed axis 110 under the drive of the expansion link of described second cylinder 109, and drive described third connecting rod 106 motions, to open or to close described second door leaf 107.By adopting connectors such as connecting rod and fixed axis to carry out transmission, make the air cylinder driven door leaf more smooth and easy, reliable, certainly, also can adopt other kinds of drive, the utility model is not done concrete restriction to this.
In the present embodiment, preferably, the first gas circuit control module, comprise the first air-flow selector switch 111 and the second air-flow selector switch 112, the described first air-flow selector switch 111 and the second air-flow selector switch 112 lay respectively at inboard and the outside of described first door leaf 102, the described first air-flow selector switch 111 and the second air-flow selector switch 112 comprise out a Fk respectively, three gears of zero-bit F0 and off-position Fg, the inlet end of the described first air-flow selector switch 111 and the second air-flow selector switch 112 presses general mood source A in parallel with described down-hole, the described first air-flow selector switch 111 and the second air-flow selector switch 112 open a Fk parallel connection after link to each other with the contraction air inlet port 113 of described first cylinder 104, link to each other with the stretching, extension air inlet port 114 of described first cylinder 104 after the off-position Fg parallel connection of the described first air-flow selector switch 111 and the second air-flow selector switch 112, the zero-bit F0 of the described first air-flow selector switch 111 and the second air-flow selector switch 112 is vacant; The second gas circuit control module, comprise the 3rd air-flow selector switch 115 and the 4th air-flow selector switch 116, described the 3rd air-flow selector switch 115 and the 4th air-flow selector switch 116 lay respectively at inboard and the outside of described second door leaf 107, described the 3rd air-flow selector switch 115 and the 4th air-flow selector switch 116 comprise out a Fk respectively, three gears of zero-bit F0 and off-position Fg, the inlet end of described the 3rd air-flow selector switch 115 and the 4th air-flow selector switch 116 presses general mood source A in parallel with described down-hole, described the 3rd air-flow selector switch 115 and the 4th air-flow selector switch 116 open a Fk parallel connection after link to each other with the contraction air inlet port 117 of described second cylinder 109, link to each other with the stretching, extension air inlet port 118 of described second cylinder 109 after the off-position Fg parallel connection of described the 3rd air-flow selector switch 115 and the 4th air-flow selector switch 116, the zero-bit F0 of described the 3rd air-flow selector switch 115 and the 4th air-flow selector switch 116 is vacant; Wherein, the control end of the described first 2/2-way Pneumatic valve 119 is communicated with the rod chamber of described second cylinder 109, and the control end of the described second 2/2-way Pneumatic valve 120 is communicated with the rod chamber of described first cylinder 104; When the gear of the described first air-flow selector switch 111 or the second air-flow selector switch 112 is allocated to out Fk, the described second 2/2-way Pneumatic valve 120 is closed, when the gear of the described first air-flow selector switch 111 or the second air-flow selector switch 112 was allocated to off-position Fg or zero-bit F0, the described second 2/2-way Pneumatic valve 120 was opened; When the gear of described the 3rd air-flow selector switch 115 or the 4th air-flow selector switch 116 is allocated to out Fk, the described first 2/2-way Pneumatic valve 119 is closed, when the gear of described the 3rd air-flow selector switch 115 or the 4th air-flow selector switch 116 was allocated to off-position Fg or zero-bit F0, the described first 2/2-way Pneumatic valve 119 was opened.
In the present embodiment, when the gear of the first air-flow selector switch 111 or the second air-flow selector switch 112 is allocated to out Fk, the down-hole presses general mood source A by contraction air inlet port 113 air feed of supply air line to first cylinder 104, so that driving the expansion link of first cylinder 104 regains, and drive second connecting rod 103 around 105 rotations of first fixed axis, thereby drive first connecting rod 101 motions, open first door leaf 102, meanwhile, the pressure general mood that flows into fails to be convened for lack of a quorum the second 2/2-way Pneumatic valve 120 is closed, thereby general mood source A is pressed in the down-hole that cuts off the second gas circuit control module, makes to make second door leaf 107 enter blocking in second cylinder 109 source that runs out of steam; When the gear of the first air-flow selector switch 111 or the second air-flow selector switch 112 is allocated to off-position Fg, the down-hole presses general mood source A by stretching, extension air inlet port 114 air feed of supply air line to first cylinder 104, stretch out with the expansion link that drives first cylinder 104, and drive second connecting rod 103 around 105 rotations of first fixed axis, thereby drive first connecting rod 101 motions, close first door leaf 102, in addition, when the gear of the first air-flow selector switch 111 or the second air-flow selector switch 112 is allocated to off-position Fg or zero-bit F0, the second 2/2-way Pneumatic valve 120 is opened automatically, thereby general mood source A is pressed in the down-hole of connecting the second gas circuit control module, make second cylinder 109 recover power source, make 107 releases of second door leaf enter original state.When the gear of the 3rd air-flow selector switch 115 or the 4th air-flow selector switch 116 is allocated to out Fk, the down-hole presses general mood source A by contraction air inlet port 117 air feed of supply air line to second cylinder 109, so that driving the expansion link of second cylinder 109 regains, and drive the 4th connecting rod 108 around 110 rotations of second fixed axis, thereby drive third connecting rod 106 motions, open second door leaf 107, meanwhile, the pressure general mood that flows into fails to be convened for lack of a quorum the first 2/2-way Pneumatic valve 119 is closed, thereby general mood source A is pressed in the down-hole that cuts off the first gas circuit control module, make the cylinder 104 of the winning source that runs out of steam, make first door leaf 102 enter blocking; When the gear of the 3rd air-flow selector switch 115 or the 4th air-flow selector switch 116 is allocated to off-position Fg, the down-hole presses general mood source A by stretching, extension air inlet port 118 air feed of supply air line to second cylinder 109, stretch out with the expansion link that drives second cylinder 109, and drive the 4th connecting rod 108 around 110 rotations of second fixed axis, thereby drive third connecting rod 106 motions, close first door leaf 102, in addition, when the gear of the 3rd air-flow selector switch 115 or the 4th air-flow selector switch 116 is allocated to off-position Fg or zero-bit F0, the first 2/2-way Pneumatic valve 119 is opened automatically, thereby general mood source A is pressed in the down-hole of connecting the first gas circuit control module, make the cylinder 104 of winning recover power source, make 102 releases of first door leaf enter original state.When the pedestrian need open first door leaf 102 from first door leaf, 102 outsides, the gear of the first air-flow selector switch 111 can be allocated to open a Fk, this moment, first door leaf 102 was opened, and made second door leaf 107 enter blocking simultaneously; After first door leaf 102 is opened, the gear of the first air-flow selector switch 111 is allocated to zero-bit F0, make 107 releases of second door leaf enter original state simultaneously; After the pedestrian passes through first door leaf 102, the gear of the second air-flow selector switch 112 can be allocated to off-position Fg, close first door leaf 102; After first door leaf 102 cuts out fully, the gear of the second air-flow selector switch 112 is allocated to zero-bit F0; When the pedestrian need open second door leaf 107, the gear of the 3rd air-flow selector switch 115 can be allocated to open a Fk, open second door leaf 107, make first door leaf 102 enter blocking simultaneously; After second door leaf 107 is opened, the gear of the 3rd air-flow selector switch 115 is allocated to zero-bit F0, make 102 releases of first door leaf enter original state simultaneously; After the pedestrian passes through second door leaf 107, the gear of the 4th air-flow selector switch 116 can be allocated to off-position Fg, close second door leaf 107; After first door leaf 102 cuts out fully, the gear of the second air-flow selector switch 112 is allocated to zero-bit F0.Thus, make the opening and closing of air door more quick, easy, laborsaving, safety.
In the present embodiment, preferred, the contraction air inlet port 113 of first cylinder 104 and the contraction air inlet port 117 of stretching, extension air inlet port place and described second cylinder 109 and stretching, extension air inlet port place are equipped with rapid escape valve 121.Thus, can regulate the air exchanging rate of cylinder by regulating rapid escape valve 121, and then regulate the speed of the opening and closing of door leaf.
In the present embodiment, preferred, first end of first connecting rod 101 is hinged with described first door leaf 102 by U-shaped link slot 122, and first end of described third connecting rod 106 is hinged with described second door leaf 107 by U-shaped link slot 122.By regulating the position of described first connecting rod 101 or third connecting rod 106 and the tie point of described U-shaped link slot 122, can adjust the opening angle of described door leaf.
The air door that the utility model embodiment provides, light, time saving and energy saving, reliability and durability, easy and simple to handle, the energy-conserving and environment-protective of safety, simple in structure, low cost of manufacture can avoid occurring the situation of the distinguished and admirable short circuit in down-hole, the generation of having stopped the mine ventilation gas accident.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of the utility model embodiment technical scheme.
Claims (5)
1. an air door is characterized in that, comprising:
First door leaf is arranged in the underworkings, and described first door leaf is connected with the expansion link of first cylinder, and described first cylinder is used for driving the unlatching of described first door leaf or closing;
Second door leaf is arranged in the underworkings, and described second door leaf is connected with the expansion link of second cylinder, and described second cylinder is used for driving the unlatching of described first door leaf or closing;
The first gas circuit control module connects the down-hole and presses general mood source and described first cylinder, and the expansion link that is used for control first cylinder stretches out or regains;
The second gas circuit control module connects the down-hole and presses general mood source and described second cylinder, is used for the stretching out or regain of expansion link of control second cylinder;
Wherein, the described first gas circuit control module and described down-hole are pressed between the general mood source and are provided with the first 2/2-way Pneumatic valve, the described second gas circuit control module and described down-hole are pressed between the general mood source and are provided with the second 2/2-way Pneumatic valve, the control end of the described first 2/2-way Pneumatic valve is connected with described second cylinder, and the control end of the described second 2/2-way Pneumatic valve is connected with described first cylinder;
When the first gas circuit control module was controlled described first door leaf and opened, the air pressure that drives the expansion link motion drove the described second 2/2-way Pneumatic valve simultaneously and closes;
When the second gas circuit control module was controlled described second door leaf and opened, the air pressure that drives the expansion link motion drove the described first 2/2-way Pneumatic valve simultaneously and closes.
2. air door according to claim 1 is characterized in that, also comprises:
First connecting rod, first end of described first connecting rod and described first door leaf are hinged;
Second connecting rod, first end of described second connecting rod and second end of described first connecting rod are hinged, second end of described second connecting rod and the expansion link of described first cylinder are hinged, be provided with first fixed axis between first end of described second connecting rod and second end, the base of described first cylinder is provided with first rotating shaft, when the expansion link of described first cylinder stretches out or regains, described first cylinder can rotate around described first rotating shaft, simultaneously, described second connecting rod rotates around described first fixed axis under the drive of the expansion link of described first cylinder, and drive described first connecting rod motion, to open or to close described first door leaf;
Third connecting rod, first end of described third connecting rod and described second door leaf are hinged;
The 4th connecting rod, first end of described the 4th connecting rod and second end of described third connecting rod are hinged, second end of described the 4th connecting rod and the expansion link of described second cylinder are hinged, be provided with second fixed axis between first end of described the 4th connecting rod and second end, the base of described second cylinder is provided with second rotating shaft, when the expansion link of described second cylinder stretches out or regains, described second cylinder can rotate around described second rotating shaft, simultaneously, described the 4th connecting rod rotates around described second fixed axis under the drive of the expansion link of described second cylinder, and drive described third connecting rod motion, to open or to close described second door leaf.
3. air door according to claim 1 and 2 is characterized in that:
The described first gas circuit control module, comprise the first air-flow selector switch and the second air-flow selector switch, the described first air-flow selector switch and the second air-flow selector switch lay respectively at inboard and the outside of described first door leaf, the described first air-flow selector switch and the second air-flow selector switch comprise out the position respectively, three gears of zero-bit and off-position, the inlet end of the described first air-flow selector switch and the second air-flow selector switch presses the general mood source in parallel with described down-hole, the back in parallel, position of opening of the described first air-flow selector switch and the second air-flow selector switch links to each other with the contraction air inlet port of described first cylinder, link to each other with the stretching, extension air inlet port of described first cylinder after the off-position parallel connection of the described first air-flow selector switch and the second air-flow selector switch, the zero-bit of the described first air-flow selector switch and the second air-flow selector switch is vacant;
The described second gas circuit control module, comprise the 3rd air-flow selector switch and the 4th air-flow selector switch, described the 3rd air-flow selector switch and the 4th air-flow selector switch lay respectively at inboard and the outside of described second door leaf, described the 3rd air-flow selector switch and the 4th air-flow selector switch comprise out the position respectively, three gears of zero-bit and off-position, the inlet end of described the 3rd air-flow selector switch and the 4th air-flow selector switch presses the general mood source in parallel with described down-hole, the back in parallel, position of opening of described the 3rd air-flow selector switch and the 4th air-flow selector switch links to each other with the contraction air inlet port of described second cylinder, link to each other with the stretching, extension air inlet port of described second cylinder after the off-position parallel connection of described the 3rd air-flow selector switch and the 4th air-flow selector switch, the zero-bit of described the 3rd air-flow selector switch and the 4th air-flow selector switch is vacant;
Wherein, the control end of the described first 2/2-way Pneumatic valve is communicated with the rod chamber of described second cylinder, and the control end of the described second 2/2-way Pneumatic valve is communicated with the rod chamber of described first cylinder;
When the gear of the described first air-flow selector switch or the second air-flow selector switch is allocated to out, the described second 2/2-way Pneumatic valve is closed, when the gear of the described first air-flow selector switch or the second air-flow selector switch was allocated to off-position or zero-bit, the described second 2/2-way Pneumatic valve was opened;
When the gear of described the 3rd air-flow selector switch or the 4th air-flow selector switch is allocated to out, the described first 2/2-way Pneumatic valve is closed, when the gear of described the 3rd air-flow selector switch or the 4th air-flow selector switch was allocated to off-position or zero-bit, the described first 2/2-way Pneumatic valve was opened.
4. air door according to claim 1 is characterized in that, the contraction air inlet port of the contraction air inlet port of described first cylinder and stretching, extension air inlet port place and described second cylinder and stretching, extension air inlet port place are equipped with rapid escape valve.
5. air door according to claim 2 is characterized in that, first end of described first connecting rod is hinged by U-shaped link slot and described first door leaf, and first end of described third connecting rod is hinged by U-shaped link slot and described second door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011153 CN203189052U (en) | 2013-01-09 | 2013-01-09 | Air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011153 CN203189052U (en) | 2013-01-09 | 2013-01-09 | Air door |
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| Publication Number | Publication Date |
|---|---|
| CN203189052U true CN203189052U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320011153 Expired - Fee Related CN203189052U (en) | 2013-01-09 | 2013-01-09 | Air door |
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| CN (1) | CN203189052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089288A (en) * | 2013-01-09 | 2013-05-08 | 淮南矿业(集团)有限责任公司 | Air door |
-
2013
- 2013-01-09 CN CN 201320011153 patent/CN203189052U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089288A (en) * | 2013-01-09 | 2013-05-08 | 淮南矿业(集团)有限责任公司 | Air door |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20190109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |