CN115973210A - Be used for inflatable seal formula passenger train stopper sliding door - Google Patents
Be used for inflatable seal formula passenger train stopper sliding door Download PDFInfo
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- CN115973210A CN115973210A CN202211658538.2A CN202211658538A CN115973210A CN 115973210 A CN115973210 A CN 115973210A CN 202211658538 A CN202211658538 A CN 202211658538A CN 115973210 A CN115973210 A CN 115973210A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention relates to the technical field of railway passenger car sliding plug doors, and discloses a sliding plug door for an inflatable sealed railway passenger car, which comprises a base frame and a car door, wherein a driving mechanism is arranged on the base frame and used for driving the car door to move so as to open and close the car door on the base frame; the base frame is provided with an inflatable sealing strip for inflating and sealing a gap between the vehicle door and the base frame when the vehicle door is closed, an inflator pump is arranged on the inflatable sealing strip, and an air outlet is arranged on the inflator pump; the base frame is also provided with an air supply mechanism for driving the driving mechanism to operate and inflating and deflating the inflatable sealing strip through an inflator pump; the inflator is provided with a control mechanism and a locking mechanism which are used for automatically stopping inflation when the inflation in the inflatable sealing strip is finished; the sliding plug door for the inflatable sealed railway passenger car can automatically control the air filling amount into the sealing strip during inflation sealing, so that the expansion degree of the sealing strip is as close as possible to the optimum expansion amount under the influence of comprehensive factors on a car door and a car body during sealing.
Description
Technical Field
The invention relates to the technical field of a sliding plug door of a railway passenger car, in particular to a sliding plug door for an inflatable sealed railway passenger car.
Background
The sliding plug door of the railway passenger car is a normally used opening and closing door of a railway passenger car carriage, the sliding plug action is realized in the whole opening and closing process, the outer surface of the door is parallel to the outer skin of a car body when the door is closed, and the door is overlapped with the car body when the door is opened. The sliding plug door has the advantages of good tightness, no occupation of space in a vehicle, safe and reliable locking mechanism and the like. Most railway passenger cars nowadays use an electrically controlled pneumatic sliding plug door, which is driven to open and close by telescopic transmission of a cylinder. With the continuous acceleration of the current railway passenger car, the sealing performance of the sliding plug door is more and more important in consideration of the large difference between the air pressure inside and outside the car and the adaptation to the severe cold train running environment in plateau. Common means of improving the sealing of a sliding door are lip seals and inflatable seals.
The reference document (CN 202122670786.6) discloses an embedded sliding plug door support frame for a carriage, which comprises an upper frame plate, a lower frame plate and a support plate arranged between the upper frame plate and the lower frame plate, wherein a first movable groove is formed in the support plate, a door body is arranged in the first movable groove, a first inflation sealing strip is arranged on the inner wall of an opening of the first movable groove, a first small inflation pump is arranged in the support plate, and the output end of the first small inflation pump is connected with the first inflation sealing strip. And the comparison file inflates the sealing strip through the inflator pump so that the sealing strip is expanded to block a gap between the vehicle door and the vehicle body.
However, the sealing strip is not provided with a corresponding inflation control function, because the sealing strip is usually made of rubber, the expansion performance is strong, in the actual use process, according to the process error in the manufacturing process between the vehicle door and the vehicle body and the train running environment in which the sealing strip is located, under the comprehensive influence of factors such as the air pressure difference between the inside and the outside of the vehicle, the temperature difference and the like, the appropriate degree of expansion required by the sealing strip is different, namely the inflation quantity is different, so that under the condition of lacking the inflation control function, the sealing performance is not enough due to less inflation, and the sealing strip is likely to be broken or the vehicle door is likely to be clamped due to more inflation quantity.
Disclosure of Invention
The invention provides a sliding plug door for an inflatable sealed railway carriage, which has the beneficial effects that the air filling amount into a sealing strip is automatically controlled during inflation and sealing so that the expansion degree of the sealing strip is as close as possible to the optimum expansion degree under the influence of comprehensive factors of a vehicle door and a vehicle body during sealing, and solves the problems that the conventional inflatable sealed railway carriage sliding plug door in the background art lacks a corresponding inflation control function, and the appropriate expansion degrees of the sealing strip required to be expanded are different, namely the inflation amounts are different according to the process error during manufacturing between the vehicle door and the vehicle body and the running environment of a train in which the sealing is positioned during sealing, such as the comprehensive influence of factors of the pressure difference between the inside and the outside of the train, the temperature difference and the like during actual use, so that the sealing performance is insufficient due to less inflation, and the sealing strip is broken or the vehicle door is clamped due to more inflation amounts.
The invention provides the following technical scheme: the plug sliding door for the inflatable sealed railway carriage comprises a base frame and a vehicle door, wherein a driving mechanism is arranged on the base frame and used for driving the vehicle door to move so as to open and close the vehicle door on the base frame;
the base frame is provided with an inflatable sealing strip for inflating and sealing a gap between the vehicle door and the base frame when the vehicle door is closed, the inflatable sealing strip is provided with an inflator pump, and the inflator pump is provided with an air outlet;
the base frame is also provided with an air supply mechanism for driving the driving mechanism to operate and inflating and deflating the inflatable sealing strip through the inflator pump;
the control mechanism comprises an inner cylinder arranged on the air outlet in a sliding manner, and the locking mechanism is used for locking the position of the inner cylinder;
the sealing block is arranged in the inner barrel and matched with the air outlet, a sliding barrel is arranged in the inner barrel in a sliding mode, and the sliding barrel is used for triggering the locking mechanism to unlock in a countercurrent mode along with the gas in the inflatable sealing strip after being filled with the gas, so that the sealing block is inserted into the air outlet in a displacement mode and stops inflating.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway vehicle, wherein: the control mechanism also comprises a sealing groove arranged on the gas injection port;
the inner cylinder slide set up in the seal groove, be provided with the spring on the inner cylinder, just the spring with the inner wall of seal groove is connected.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway passenger car, wherein: the locking mechanism comprises an insertion block which is arranged on the inflator in a sliding manner, the inner barrel is provided with a slot, and the insertion block is movably inserted into the slot.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway passenger car, wherein: the locking mechanism further comprises a sliding groove arranged on the inner barrel, the sliding groove is communicated with the slot, and the sliding groove is matched with the insert block;
the sliding cylinder is provided with a push rod, and the push rod is arranged on the inner cylinder in a sliding mode.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway passenger car, wherein: the locking mechanism further comprises a rotating rod which is rotatably arranged in the inflator pump, a shifting block is arranged on the rotating rod, and the shifting block is matched with the push rod;
the locking mechanism further comprises a transmission rod, and two ends of the transmission rod are movably hinged to the inserting block and the shifting block through hinge shafts respectively;
the rotating rod is provided with two torsional springs, and the two torsional springs are connected with the inner wall of the inflator pump.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway vehicle, wherein: the locking mechanism is provided with two, and two locking mechanism symmetry sets up in on the inflator pump.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway vehicle, wherein: the driving mechanism comprises a connecting rod piece which is rotatably arranged on the base frame, the connecting rod piece is connected with the vehicle door, and a sliding piece is arranged on the base frame in a sliding manner;
the driving mechanism further comprises an air cylinder, and two ends of the air cylinder are connected with the connecting rod piece and the sliding piece respectively.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway vehicle, wherein: the connecting rod piece is provided with two, and two connecting rod piece symmetry sets up in on the bed frame, two the cylinder is connected through the dead lever.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway vehicle, wherein: the air supply mechanism comprises an air pump and an electromagnetic valve, the air pump is connected with the electromagnetic valve through an air supply pipeline, a third air path pipeline is arranged on the electromagnetic valve, and the third air path pipeline is connected with the air injection port.
As an alternative to the present invention, there is provided a plug door for a gas-filled sealed railway vehicle, wherein: the air supply mechanism further comprises a first air path pipeline and a second air path pipeline which are arranged on the electromagnetic valve, and the first air path pipeline and the second air path pipeline are connected with the air cylinder.
The invention has the following beneficial effects:
1. compared with the traditional air supply mechanism lacking the automatic control function when supplying air into the inflatable sealing strip, the device realizes the automatic control stop of inflation according to the proper degree of expansion required by the inflatable sealing strip, and achieves the proper inflation quantity. Firstly, after the door of the vehicle is closed, the vehicle door runs through the electromagnetic valve and the air pump, air is injected into the air injection port through the third air path pipeline, then the air is injected into the inflatable sealing strip through the inner cylinder and the air outlet, and at the moment, the sliding cylinder in the inner cylinder is pushed to the air outlet side by the air flow.
At the moment, the inflatable sealing strip begins to expand to fill the gap between the base frame and the vehicle door, and the size of the gap between the base frame and the vehicle door can change under the influence of the manufacturing process, the internal and external air pressure difference and the temperature field when the vehicle body runs. When the inflatable seal is inflated to a near maximum extent, it begins to be squeezed by the pedestal and the door so that the gas therein begins to flow back toward the inflator.
The gas can promote the slide cartridge to move towards gas injection mouth one side against the current, and the spout on the slide cartridge will promote the shifting block and drive the inserted block via the transmission and extract from the slot this moment for the fixed of inner tube is relieved, and the inner tube will pop out towards the gas outlet under the spring action at this moment, makes the sealed piece plug in the gas outlet in with its shutoff, stops to aerify.
2. This be used for inflatable seal formula passenger train stopper sliding door, when the door is opened, need carry out the gassing to inflatable seal strip earlier. Firstly, air is pumped by the air pump to enable the inner cylinder to move towards the air injection port, at the moment, the inserting block firstly slides along the sliding groove until the inserting groove on the inner cylinder moves to be matched with the inserting block, the inserting block is inserted into the inserting groove again through the elasticity of the two torsional springs, and the inner cylinder is fixed.
3. This a be used for aerifing sealed formula passenger train stopper sliding door, the air pump among the air feed mechanism carries out the gas transmission through a solenoid valve structure that has a plurality of passageways, both can make air feed line and first gas circuit pipeline or second gas circuit pipeline intercommunication to it realizes the switch door of door to drive the cylinder flexible.
And the inflation and deflation of the inflatable sealing strip can be realized by communicating the air supply pipeline with the third air path pipeline.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of the internal structure of the inflator according to the present invention.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a schematic view of an exploded structure at the inflator in the present invention.
In the figure: 1. a base frame; 2. a vehicle door; 3. a drive mechanism; 301. a link member; 302. a slider; 303. a cylinder; 304. fixing the rod; 4. inflating the sealing strip; 401. an inflator; 402. an air outlet; 403. a gas injection port; 5. an air supply mechanism; 501. an air pump; 502. an electromagnetic valve; 503. a gas supply duct; 504. a first gas path pipeline; 505. a second gas path pipeline; 506. a third gas path pipeline; 6. a control mechanism; 601. a sealing groove; 602. an inner barrel; 603. a slide cylinder; 604. a sealing block; 605. a spring; 7. a locking mechanism; 701. inserting a block; 702. a slot; 703. a chute; 704. a push rod; 705. a rotating rod; 706. shifting blocks; 707. a transmission rod; 708. a torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
When the base frame 1 and the door 2 are closed and closed, the base frame 1 and the door 2 are influenced by errors of processes during manufacturing and assembling of the base frame and the door, and train running environments in which the base frame 1 and the door 2 are sealed, such as air pressure difference between the inside and the outside of the train and temperature difference, are comprehensively influenced, so that the proper degree of expansion of the inflatable sealing strip 4 used between the base frame 1 and the door 2 is different, and the sealing performance is influenced by small or large inflation amount possibly caused by a simple inflation system, therefore, an automatic inflation function needs to be provided for the inflatable sealing strip 4 to achieve the optimal expansion degree as much as possible, and an embodiment 1 is provided for the purpose;
referring to fig. 1-5, a sliding plug door for an inflatable sealed railway carriage comprises a base frame 1 and a vehicle door 2, wherein a driving mechanism 3 is arranged on the base frame 1 and used for driving the vehicle door 2 to move so as to open and close the vehicle door on the base frame 1;
the base frame 1 is provided with an inflatable sealing strip 4 for inflating and sealing a gap between the vehicle door 2 and the base frame 1 when the vehicle door is closed, the inflatable sealing strip 4 is provided with an inflator 401, and the inflator 401 is provided with an air outlet 402;
the base frame 1 is also provided with an air supply mechanism 5 for driving the driving mechanism 3 to operate and inflating and deflating the inflatable sealing strip 4 through an inflator 401;
the inflator 401 is provided with a control mechanism 6 and a locking mechanism 7 for automatically stopping inflation when the inflation of the inflatable sealing strip 4 is finished, the control mechanism 6 comprises an inner cylinder 602 arranged on the air outlet 402 in a sliding manner, and the locking mechanism 7 is used for locking the position of the inner cylinder 602;
a sealing block 604 is arranged in the inner cylinder 602, the sealing block 604 is matched with the air outlet 402, a sliding cylinder 603 is arranged in the inner cylinder 602 in a sliding manner, and the sliding cylinder 603 flows back along with the gas in the inflatable sealing strip 4 after being filled with the gas to trigger the locking mechanism 7 to unlock, so that the sealing block 604 is inserted into the air outlet 402 in a displacement manner to stop inflation;
the inflator 401 is further provided with a gas injection port 403, and the control mechanism 6 further comprises a sealing groove 601 formed in the gas injection port 403;
the inner cylinder 602 is slidably disposed in the seal groove 601, and a spring 605 is disposed on the inner cylinder 602, and the spring 605 is connected to an inner wall of the seal groove 601.
In this embodiment: the pedestal 1 is a sliding plug door bearing part installed on a vehicle body, the vehicle door 2 is driven on the pedestal 1 through the driving mechanism 3 to realize opening and closing of the door, and when the vehicle door 2 is closed on the pedestal 1, the gas supply mechanism 5 is used for charging gas into the inflatable sealing strip 4 installed on the pedestal 1 so as to enable the inflatable sealing strip to expand and fill a gap between the pedestal 1 and the vehicle door 2.
The inflator 401 mounted on the inflatable seal strip 4 is a channel for injecting gas, the inflator 401 is a hollow tube, a gas outlet 402 is mounted at a part of the inflator 401 located inside the inflatable seal strip 4, a gas injection port 403 is mounted at a part of the inflator 401 located outside the inflatable seal strip 4, and a sealing groove 601 is formed in one end of the gas injection port 403 close to the inside of the inflator 401.
An inner cylinder 602 is slidably mounted in the seal groove 601, the inner cylinder 602 is also a hollow cylinder, the inner cylinder 602 is also slidably mounted on the gas outlet 402, and a corresponding seal structure can be additionally arranged to ensure the tightness between the inner cylinder 602 and the gas outlet 402 and the gas injection port 403.
One end of the spring 605 is fixed to the inner wall of the seal groove 601, the other end of the spring 605 is fixed to the inner cylinder 602, and the spring 605 is compressed when the inner cylinder 602 is fixed by the lock mechanism 7. A sliding cylinder 603 is slidably mounted in the inner cylinder 602, and a sealing block 604 is fixedly mounted therein.
When the gas injection device is used, gas is injected into the gas injection port 403 through the gas supply mechanism 5, then enters the inner cylinder 602, and finally is output from the gas outlet 402, and when the gas injection is started, the sliding cylinder 603 is driven by the gas flow to push the gas outlet 402. When the inflatable weather strip 4 is inflated to the maximum extent according to the gap between the base frame 1 and the door 2, the gas starts to flow reversely, and the slide cylinder 603 is pushed to move toward the gas-injection port 403.
At this time, the sliding cylinder 603 triggers the locking mechanism 7 to unlock, so that the inner cylinder 602 is ejected towards the gas outlet 402 under the huge elastic force of the spring 605, the sealing block 604 is movably inserted into the gas outlet 402, and the gas outlet 402 is blocked to stop gas injection.
It should be added that, at this time, a force sensor or other devices may be further installed in the inflator 401, and after the inner tube 602 displaces to cause the sealing block 604 to block the air outlet 402, the air supply mechanism 5 is controlled to stop injecting air by using the sensing signal.
Example 2
To fix the position of the inner barrel 602, embodiment 2 is proposed;
in this embodiment, an improvement is made on the basis of embodiment 1, and specifically, referring to fig. 3 to fig. 5, the locking mechanism 7 includes an insertion block 701 slidably disposed on the inflator 401, an insertion slot 702 is formed on the inner cylinder 602, and the insertion block 701 is movably inserted into the insertion slot 702.
In this embodiment: the inflator 401 is slidably mounted with an insert 701, the surface of the inner tube 602 is provided with a slot 702, and the insert 701 is movably inserted into the slot 702 to fix the position of the inner tube 602.
Example 3
In order to enable the sliding cylinder 603 to release the fixing of the locking mechanism 7 to the inner cylinder 602 under the action of gas countercurrent, embodiment 2 is provided;
the present embodiment is an improved description based on embodiment 2, and specifically, referring to fig. 3 to fig. 5, the locking mechanism 7 further includes a sliding groove 703 provided on the inner cylinder 602, the sliding groove 703 is communicated with the slot 702, and the sliding groove 703 is adapted to the insert block 701;
a push rod 704 is arranged on the sliding cylinder 603, and the push rod 704 is arranged on the inner cylinder 602 in a sliding manner;
the locking mechanism 7 further comprises a rotating rod 705 which is rotatably arranged in the inflator 401, a shifting block 706 is arranged on the rotating rod 705, and the shifting block 706 is matched with the push rod 704;
the locking mechanism 7 further comprises a transmission rod 707, and two ends of the transmission rod 707 are movably hinged to the inserting block 701 and the shifting block 706 through hinge shafts respectively;
the rotating rod 705 is provided with two torsion springs 708, and the two torsion springs 708 are connected with the inner wall of the inflator 401.
In this embodiment: a push rod 704 is fixed to the slide cylinder 603, and the push rod 704 is slidably mounted in a notch in the surface of the inner cylinder 602. The inner walls of the two sides of the inflator 401 are rotatably provided with rotating rods 705, the rotating rods 705 are fixed with shifting blocks 706 in a broken line shape, one ends of two torsion springs 708 are respectively fixed on the inner walls of the two sides of the inflator 401, and the other ends of the two torsion springs 708 are both fixed on the rotating rods 705.
And one end of the transmission rod 707 is hinged to the shifting block 706, and the other end is hinged to the insert block 701. A corresponding sealing mechanism can be added between the sliding cylinder 603 and the inner cylinder 602 to maintain the sealing performance. When the slide cylinder 603 drives the push rod 704 to move toward the gas injection port 403, the push rod 704 contacts the push block 706.
And the shifting block 706 is shifted to enable the rotating rod 705 to rotate, at the moment, the inserting block 701 is enabled to move upwards through the transmission of the transmission rod 707 and is pulled out of the slot 702, and the inner cylinder 602 is enabled to be ejected towards the air outlet 402 under the action of the elastic force of the spring 605.
The insert block 701 can slide along the sliding groove 703 when being pulled out. When the gas supply mechanism 5 starts to draw the gas in the inflatable sealing strip 4 through the gas injection port 403, the inner tube 602 moves toward the gas injection port 403 by suction, and the insertion groove 702 is displaced to fit with the insertion block 701. The insert block 701 is driven by the resilience force of the two torsion springs 708 to move down and be clamped again.
Example 4
In order to ensure that the inner cylinder 602 is fixed more firmly and the stress is balanced, embodiment 4 is provided;
this embodiment is an improved description based on embodiment 1, and specifically, referring to fig. 3 to fig. 5, two locking mechanisms 7 are provided, and the two locking mechanisms 7 are symmetrically disposed on the inflator 401.
In this embodiment: two locking mechanisms 7 are symmetrically arranged on the upper part and the lower part of the inflator 401 and the inner cylinder 602, and the inner cylinder 602 is fixed more firmly by clamping and fixing the two inserting blocks 701.
Example 5
In order to control the vehicle door 2 to realize door opening and closing on the base frame 1, embodiment 5 is provided;
the present embodiment is an improvement description made on the basis of embodiment 1, specifically, referring to fig. 1-2, the driving mechanism 3 includes a link 301 rotatably disposed on the base frame 1, and the link 301 is connected to the vehicle door 2, and the base frame 1 is slidably disposed with a sliding member 302;
the driving mechanism 3 further comprises an air cylinder 303, and two ends of the air cylinder 303 are respectively connected with the connecting rod piece 301 and the sliding piece 302;
the number of the connecting rod members 301 is two, the two connecting rod members 301 are symmetrically arranged on the base frame 1, and the two air cylinders 303 are connected through the fixing rod 304.
In this embodiment: two connecting rod pieces 301 are rotatably mounted on the upper side and the lower side of the base frame 1, the other ends of the two connecting rod pieces 301 are hinged on the vehicle door 2, a sliding piece 302 is slidably mounted in the upper side sliding rail of the base frame 1, and one end of the sliding piece 302 is also hinged with the vehicle door 2.
The cylinder 303 is hinged to the link member 301 at one end thereof, and the piston rod of the cylinder 303 is hinged to the slider member 302. The vehicle door 2 can be driven to open and close through the expansion and contraction of the cylinder 303. At this time, the sliding member 302 slides along the upper slide rail of the base frame 1, and the link member 301 rotates, so that the door 2 slides open, and it does not slide linearly, and is flush with the surface of the vehicle body when the door is closed. And when the door is opened, the door is folded in the vehicle body, so that the space occupied in the vehicle is reduced.
The two link members 301 are provided to balance the forces applied to the door 2, and the two link members 301 are driven by the fixing rods 304 fixed thereto.
The concrete structure and working principle of the base frame 1, the vehicle door 2 and the driving mechanism 3 are common prior art of the railway passenger car sliding plug door, and not excessive description, reference can be made in detail to a comparison document CN02220473.3, namely a pneumatic sealing type railway passenger car sliding plug door for a railway passenger car.
Example 6
In order to drive the cylinder 303 to extend and contract and inflate and deflate the inflatable sealing strip 4, embodiment 6 is provided;
the present embodiment is an improved description made on the basis of embodiment 1, and specifically, referring to fig. 1-2, the air supply mechanism 5 includes an air pump 501 and an electromagnetic valve 502, the air pump 501 and the electromagnetic valve 502 are connected through an air supply pipeline 503, a third air path pipeline 506 is arranged on the electromagnetic valve 502, and the third air path pipeline 506 is connected with the air injection port 403;
the air supply mechanism 5 further comprises a first air path pipe 504 and a second air path pipe 505 which are arranged on the electromagnetic valve 502, and the first air path pipe 504 and the second air path pipe 505 are connected with the cylinder 303.
In this embodiment: the air pump 501 can be inflated or deflated, when the electromagnetic valve 502 is operated to control the air supply pipeline 503 to be communicated with the second air pipeline 505, air is injected into one end of the piston rod of the air cylinder 303 through the second air pipeline 505, so that the air cylinder 303 is extended, and when the air supply pipeline 503 is communicated with the first air pipeline 504, air is injected into the other end of the piston rod of the air cylinder 303, so that the air cylinder 303 is contracted.
When the electromagnetic valve 502 controls the air supply pipeline 503 to be communicated with the third air channel pipeline 506, the air can be charged into and discharged from the inflatable sealing strip 4.
The air pump 501 and the electromagnetic valve 502 are well known in the art, and the specific operation principle thereof will not be described.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a be used for inflatable seal formula passenger train stopper sliding door, includes bed frame (1) and door (2), its characterized in that: the base frame (1) is provided with a driving mechanism (3) for driving the vehicle door (2) to move so as to open and close the vehicle door on the base frame (1);
the base frame (1) is provided with an inflatable sealing strip (4) for inflating and sealing a gap between the car door (2) and the base frame (1) when the car door is closed, the inflatable sealing strip (4) is provided with an inflator (401), and the inflator (401) is provided with an air outlet (402);
the base frame (1) is also provided with an air supply mechanism (5) for driving the driving mechanism (3) to operate and inflating and deflating the inflatable sealing strip (4) through the inflator pump (401);
the inflator pump (401) is provided with a control mechanism (6) and a locking mechanism (7) for automatically stopping inflation when the inflation of the inflatable sealing strip (4) is completed, the control mechanism (6) comprises an inner cylinder (602) which is slidably arranged on the air outlet (402), and the locking mechanism (7) is used for locking the position of the inner cylinder (602);
a sealing block (604) is arranged in the inner barrel (602), the sealing block (604) is matched with the air outlet (402), a sliding barrel (603) is arranged in the inner barrel (602) in a sliding mode, and the sliding barrel (603) is filled with air in the inflatable sealing strip (4) and then reversely flows to trigger the locking mechanism (7) to unlock, so that the sealing block (604) is inserted into the air outlet (402) in a displacement mode to stop inflation.
2. A plug door for a gas-filled sealed railway car according to claim 1, wherein: the inflator pump (401) is also provided with a gas injection port (403), and the control mechanism (6) further comprises a sealing groove (601) formed in the gas injection port (403);
the inner cylinder (602) is arranged in the sealing groove (601) in a sliding mode, a spring (605) is arranged on the inner cylinder (602), and the spring (605) is connected with the inner wall of the sealing groove (601).
3. A plug door for a gas-filled sealed railway car according to claim 1, wherein: the locking mechanism (7) comprises an inserting block (701) which is arranged on the inflator pump (401) in a sliding mode, an inserting groove (702) is formed in the inner cylinder (602), and the inserting block (701) is movably inserted into the inserting groove (702).
4. A plug door for a gas-filled sealed railway passenger car according to claim 3, wherein: the locking mechanism (7) further comprises a sliding groove (703) formed in the inner barrel (602), the sliding groove (703) is communicated with the inserting groove (702), and the sliding groove (703) is matched with the inserting block (701);
a push rod (704) is arranged on the sliding cylinder (603), and the push rod (704) is arranged on the inner cylinder (602) in a sliding manner.
5. A plug door for a gas-filled sealed railway car according to claim 4, wherein: the locking mechanism (7) further comprises a rotating rod (705) rotatably arranged in the inflator pump (401), a shifting block (706) is arranged on the rotating rod (705), and the shifting block (706) is matched with the push rod (704);
the locking mechanism (7) further comprises a transmission rod (707), and two ends of the transmission rod (707) are movably hinged to the inserting block (701) and the shifting block (706) through hinge shafts respectively;
two torsion springs (708) are arranged on the rotating rod (705), and the two torsion springs (708) are connected with the inner wall of the inflator pump (401).
6. A plug door for a gas-filled sealed railway car according to claim 1, wherein: the number of the locking mechanisms (7) is two, and the two locking mechanisms (7) are symmetrically arranged on the inflator pump (401).
7. A plug door for a gas-filled sealed railway car according to claim 2, wherein: the driving mechanism (3) comprises a connecting rod piece (301) rotatably arranged on the base frame (1), the connecting rod piece (301) is connected with the vehicle door (2), and a sliding piece (302) is arranged on the base frame (1) in a sliding manner;
the driving mechanism (3) further comprises an air cylinder (303), and two ends of the air cylinder (303) are respectively connected with the connecting rod piece (301) and the sliding piece (302).
8. A plug door for a gas-filled sealed railway car according to claim 7, wherein: the number of the connecting rod pieces (301) is two, the two connecting rod pieces (301) are symmetrically arranged on the base frame (1), and the two cylinders (303) are connected through fixing rods (304).
9. The plug door for a gas-filled sealed railway passenger car according to claim 7, wherein: air feed mechanism (5) include air pump (501) and solenoid valve (502), air pump (501) with solenoid valve (502) are connected through gas supply line (503), be provided with third gas circuit pipeline (506) on solenoid valve (502), third gas circuit pipeline (506) with gas injection mouth (403) are connected.
10. A plug door for a gas-filled sealed railway car according to claim 9, wherein: air feed mechanism (5) still including set up in first gas circuit pipeline (504) and second gas circuit pipeline (505) on solenoid valve (502), just first gas circuit pipeline (504) with second gas circuit pipeline (505) all with cylinder (303) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211658538.2A CN115973210A (en) | 2022-12-22 | 2022-12-22 | Be used for inflatable seal formula passenger train stopper sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211658538.2A CN115973210A (en) | 2022-12-22 | 2022-12-22 | Be used for inflatable seal formula passenger train stopper sliding door |
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| CN115973210A true CN115973210A (en) | 2023-04-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497942B (en) * | 2023-05-18 | 2023-10-20 | 东莞市星火太阳能科技股份有限公司 | Novel height-adjustable solar photovoltaic power generation sunlight room |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497942B (en) * | 2023-05-18 | 2023-10-20 | 东莞市星火太阳能科技股份有限公司 | Novel height-adjustable solar photovoltaic power generation sunlight room |
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