CN108916503B - Safety water supply connector and water supply connection method for bullet train - Google Patents
Safety water supply connector and water supply connection method for bullet train Download PDFInfo
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- CN108916503B CN108916503B CN201810750449.8A CN201810750449A CN108916503B CN 108916503 B CN108916503 B CN 108916503B CN 201810750449 A CN201810750449 A CN 201810750449A CN 108916503 B CN108916503 B CN 108916503B
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- water
- water feeding
- joint
- check valve
- water supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
- F16L33/025—Hose-clips tightened by deforming radially extending loops or folds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K11/00—Serving peculiar to locomotives, e.g. filling with, or emptying of, water, sand, or the like at the depots
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a safety water supply connector of a bullet train and a water supply connection method, wherein the lower end of a water supply connector shell is provided with a water inlet pipe connector, the upper end of the water supply connector shell is provided with a water supply connector installation cavity, and the lower part of the water supply connector installation cavity is provided with a check valve; first water feeding expansion ring includes first water feeding expansion ring mounting ring and water feeding joint stopper, many on the water feeding joint stopper upper end is encircleed and is set up on the inner wall of first water feeding expansion ring mounting ring, many on the water feeding joint stopper is encircleed and is set up and constitute frustum section of thick bamboo structure, first water feeding expansion ring is installed in the interior upper end of water feeding joint installation cavity through first water feeding expansion ring mounting ring, in water feeding joint inserts first water feeding expansion ring, water feeding joint fixes on water feeding joint stopper bottom through the protruding retaining ring card that is equipped with on its end around, thereby make water feeding joint and check valve sealing connection, water feeding joint makes the check valve open through the extrusion simultaneously. The invention ensures that the water-feeding rubber hose is not dragged away, thereby reducing the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of safe water supply equipment on trains and motor cars, in particular to a safe water supply joint of a motor car and a water supply connection method.
Background
At present, in the running process of a motor car, in order to meet the water demand of the motor car, water is arranged for the motor car by arranging a water feeding device along the line, namely a water feeding rubber tube is inserted into a water filling port of the motor car, and then a valve of the water feeding rubber tube is opened to feed water to the motor car. The following reasons are mainly used for the analysis of accidents that have occurred:
(1) when the water feeding personnel of the motor car fails to work, forgets to pull down the water inlet pipe in time after the water feeding operation is finished;
(2) the stop time of the motor train is short, and water feeding workers cannot pull out the water inlet pipe in time;
(3) the motor car water filling port structure is complicated, and the water filling port direction level, there is the spring lid that pushes down on upper portion, and the lower part has great space and has the tongue and groove that several centimetres are high, blocks the joint of dying the water-supply pipe easily.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a safe water supply connector and a water supply connecting method for a bullet train, which solve the problems that a worker on the bullet train forgets to pull down a water inlet pipe in time after water supply operation is finished due to working errors and safety accidents are caused after the bullet train is started.
In addition, the problem that the existing water supply joint of the motor train does not have the automatic opening and closing function is solved, so that a worker needs to open a valve switch after completing water supply connection, and the water supply efficiency is seriously delayed.
The invention is realized by the following technical scheme:
a safety water supply joint of a bullet train comprises a water supply joint shell, a check valve and a first water supply expansion ring, wherein a water inlet pipe joint is arranged at the lower end of the water supply joint shell, a water supply joint installation cavity is arranged at the upper end of the water supply joint shell, and the check valve is arranged at the lower part of the water supply joint installation cavity;
the first water supply expansion ring comprises a first water supply expansion ring mounting ring and a water supply joint limiting block, the upper end of the water supply joint limiting block is arranged on the inner wall of the first water supply expansion ring mounting ring in a surrounding mode, the water supply joint limiting blocks are arranged in a surrounding mode to form a frustum cylinder structure, the first water supply expansion ring is arranged at the inner upper end of the water supply joint mounting cavity through the first water supply expansion ring mounting ring, when the water supply joint is inserted into the first water supply expansion ring, the water supply joint is clamped and fixed at the bottom end of the water supply joint limiting block through a protruding retaining ring arranged on the end of the water supply joint in a surrounding mode, and therefore the water supply joint is in sealing connection with the check valve, and meanwhile the water supply joint enables the check valve to be opened through extrusion.
The invention relates to a safety water supply joint of a bullet train, which is provided with a first water supply expansion ring and a second water supply expansion ring which can be expanded; the end of the water supply connector can be limited and clamped through the first water supply expansion ring, the body of the water supply connector can be limited and clamped through the second water supply expansion ring, so that the two points on the water supply connector are clamped through the first water supply expansion ring and the second water supply expansion ring, the water supply connector can be firmly installed on the safe water supply connector, the first water supply expansion ring and the second water supply expansion ring are both of expandable tensioning structures, the water supply connector is disassembled or separated, and only the safe water supply connector and the water supply connector need to be inclined, so that the end of the water supply connector limiting block falls off to release the clamping and limiting of the end of the water supply connector, and the water supply connector is drawn out from the first water supply expansion ring; the problem of the motor car water feeding staff work error forget after the water feeding operation is accomplished, in time pull out the inlet tube, lead to the incident after the motor car starts is solved.
The water supply device is characterized by further comprising a second water supply expansion ring, wherein the second water supply expansion ring comprises a second water supply expansion ring mounting ring and a water supply joint clamping block, the water supply joint clamping block is of a J-shaped structure, the lower end of the water supply joint clamping block is arranged on the inner wall of the second water supply expansion ring mounting ring in a surrounding mode, the water supply joint clamping blocks are arranged in a surrounding mode to form a tensioning clamping cylinder structure, and an arc-shaped part on the water supply joint clamping block is clamped on the water supply joint.
Furthermore, a water feeding joint clamping block notch is formed in the water feeding joint limiting block, the second water feeding expansion ring is installed on the inner upper portion of the water feeding joint installation cavity through the second water feeding expansion ring installation ring, each water feeding joint clamping block is correspondingly sleeved on one water feeding joint limiting block, and the arc-shaped portion of each water feeding joint clamping block is clamped in the water feeding joint clamping block notch.
Further, the check valve includes check valve spring, check valve seat and check valve cover, the check valve spring sets up in the top connection installation cavity bottom, the check valve seat includes bedplate and check valve core section of thick bamboo, and the check valve core section of thick bamboo sets up on the bedplate up end, and at check valve core section of thick bamboo and bedplate connecting portion position around being equipped with the limbers, the bottom face of bedplate sets up on the check valve spring, the sealed installation of check valve cover is in the top connection installation cavity middle part, and the middle part of check valve cover is equipped with check valve core mounting hole, the sealed inserting of check valve seat's check valve core section of thick bamboo is established in the check valve core mounting hole.
Furthermore, a sealing ring is arranged on the upper end face of the seat plate and surrounds the check valve core barrel.
The invention is realized by the following another technical scheme:
a water supply connection method for a safety water supply joint of a bullet train is characterized by comprising the following steps:
and 2, inserting the water supply connector into the first water supply expansion ring, clamping and fixing the water supply connector at the bottom end of the water supply connector limiting block through a raised check ring arranged on the end of the water supply connector in a surrounding mode, so that the water supply connector is in sealing connection with the check valve, clamping and fixing the water supply connector of the second water supply expansion ring on the water supply connector, meanwhile, the water supply connector enables the check valve core cylinder to move downwards in the check valve core mounting hole by extruding a check valve seat of the check valve, separating the seat plate from the check valve sleeve, communicating the inside and the outside of a water through hole in the check valve core cylinder, and allowing water to enter the water supply connector from a water inlet pipe, a water inlet pipe connector, a water through hole and the check valve core cylinder in sequence.
And further, the method further comprises a step 3 of holding the water feeding connector shell to incline to one side after water feeding is finished, wherein the water feeding connector shell is fixed on the motor car on the axis and can be pressed by the end of the water feeding connector to be opened when the water feeding connector shell inclines to one side, so that the end of the water feeding connector limiting block falls off to release the end clamping limitation of the water feeding connector, the water feeding connector is further extracted from the first water feeding expansion ring, the water feeding connector is not extruded on the check valve seat any more when the water feeding connector is extracted from the first water feeding expansion ring, and the check valve seat is reset under the spring action of the check valve seat check valve to close the check valve.
The invention relates to a water feeding connection method for a safety water feeding joint of a bullet train, which is characterized in that a first water feeding expansion ring and a second water feeding expansion ring which can be expanded are arranged; the end of the water supply connector can be limited and clamped through the first water supply expansion ring, the body of the water supply connector can be limited and clamped through the second water supply expansion ring, so that the two points on the water supply connector are clamped through the first water supply expansion ring and the second water supply expansion ring, the water supply connector can be firmly installed on the safe water supply connector, the first water supply expansion ring and the second water supply expansion ring are both of expandable tensioning structures, the water supply connector is disassembled or separated, and only the safe water supply connector and the water supply connector need to be inclined, so that the end of the water supply connector limiting block falls off to release the clamping and limiting of the end of the water supply connector, and the water supply connector is drawn out from the first water supply expansion ring; the problem of the motor car water feeding staff work error forget after the water feeding operation is accomplished, in time pull out the inlet tube, lead to the incident after the motor car starts is solved.
And further, the method further comprises a step 3 of forgetting to pull out the water supply connector after water supply is completed, starting the motor car, wherein the water supply connector is fixed on the motor car on the axis, the water supply connector shell can incline to one side relative to the water supply connector, and when the water supply connector shell inclines to one side, the end of the water supply connector can extrude the water supply connector limiting block to open the water supply connector limiting block, so that the end of the water supply connector limiting block falls off to release the end clamping limitation on the water supply connector, the water supply connector is pulled out from the first water supply expansion ring, and when the water supply connector is pulled out from the first water supply expansion ring, the water supply connector does not extrude the check valve seat any more, and the check valve seat is reset under the spring action of the check valve seat check valve to close the check valve.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a safety water supply joint of a bullet train, which is provided with a first water supply expansion ring and a second water supply expansion ring which can be expanded; the end of the water supply connector can be limited and clamped through the first water supply expansion ring, the body of the water supply connector can be limited and clamped through the second water supply expansion ring, so that the two points on the water supply connector are clamped through the first water supply expansion ring and the second water supply expansion ring, the water supply connector can be firmly installed on the safe water supply connector, the first water supply expansion ring and the second water supply expansion ring are both of expandable tensioning structures, the water supply connector is disassembled or separated, and only the safe water supply connector and the water supply connector need to be inclined, so that the end of the water supply connector limiting block falls off to release the clamping and limiting of the end of the water supply connector, and the water supply connector is drawn out from the first water supply expansion ring; the problem of the motor car water feeding staff work error forget after the water feeding operation is accomplished, in time pull out the inlet tube, lead to the incident after the motor car starts is solved.
2. The invention relates to a safety water supply connector of a bullet train, wherein a check valve is arranged in the safety water supply connector and comprises a check valve spring 13, a check valve seat 14 and a check valve sleeve 15, the check valve is in a closed state when the safety water supply connector and the water supply connector 22 are not connected and installed, the check valve can be automatically triggered to be opened after the safety water supply connector and the water supply connector 22 are connected, and can be automatically closed after the water supply connector 22 is pulled out, even if a water inlet pipe 21 is connected with high-pressure water, the safety water supply connector can be ensured not to leak water, the problem that the existing bullet train water supply connector does not have the automatic opening and closing function is solved, so that a worker is required to open a valve switch after completing water supply connection, and the water supply efficiency is seriously delayed.
3. The invention relates to a safety water supply joint for a bullet train, which is a safety joint for a water supply rubber hose of the bullet train, has a simple structure, a reasonable design and simple and convenient use and operation, can ensure normal water supply operation, can automatically disconnect the water supply rubber hose under the emergency condition that the bullet train and the water supply rubber hose are not separated from each other and start, ensures that the water supply rubber hose is not dragged away, and reduces potential safety hazards.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the shape and structure of a safety water supply joint of a bullet train according to the present invention;
FIG. 2 is a schematic cross-sectional view of a bullet train safety water supply connector and a water supply connector in a non-installation connection state;
FIG. 3 is a schematic cross-sectional view of a bullet train safety water supply connector and a water supply connector in the installation and connection state;
FIG. 4 is a schematic perspective view of a first upper water-swelling ring according to the present invention;
FIG. 5 is a schematic perspective view of a second water-swelling ring according to the present invention;
reference numbers and corresponding part names in the drawings:
1-water feeding joint shell, 2-first water feeding expansion ring, 3-water inlet joint, 4-water feeding joint installation cavity, 5-water feeding joint limiting block, 6-first water feeding expansion ring installation ring, 7-raised check ring, 8-second water feeding expansion ring, 9-second water feeding expansion ring installation ring, 10-water feeding joint clamping block, 11-water feeding joint clamping block notch, 12-arc part, 13-check valve spring, 14-check valve seat, 15-check valve sleeve, 16-seat plate, 17-check valve core barrel, 18-water through hole, 19-check valve core installation hole, 20-seal ring, 21-water inlet pipe and 22-water feeding joint.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-5, the safe water supply connector for the bullet train of the present invention comprises a water supply connector housing 1, a check valve and a first water supply expansion ring 2, wherein two ends of the water supply connector housing 1 are respectively provided with a large connector and a small connector, the large connector is used for connecting with a water supply connector 22, the small connector is a water inlet connector 3 and is used for connecting with a water inlet pipe 21, the lower end of the water supply connector housing 1 is provided with the water inlet connector 3, the upper end of the water supply connector housing 1 is provided with a water supply connector installation cavity 4, and the lower part of the water supply connector installation cavity 4 is provided with the check; after the safe water feeding connector and the water feeding connector 22 are installed and connected, the check valve can be automatically triggered to be opened, the water feeding connector 22 can be automatically closed after being pulled out, the water feeding connector 22 is of a structure carried by a train or a motor car, the water feeding connector 22 is generally of a telescopic structure, and the axis of the water feeding connector 22 is fixed on the motor car and cannot be inclined but only can be telescopic.
The first water supply expansion ring 2 comprises a first water supply expansion ring mounting ring 6 and a water supply joint limiting block 5, the upper end of a plurality of water supply joint limiting blocks 5 is arranged on the inner wall of the first water supply expansion ring mounting ring 6 in a surrounding manner, the plurality of water supply joint limiting blocks 5 are arranged in a surrounding manner to form a frustum cylinder structure, the frustum cylinder structure is convenient for the insertion and connection of the water supply joints 22, the first water supply expansion ring 2 is arranged at the inner upper end of the water supply joint mounting cavity 4 through the first water supply expansion ring mounting ring 6, the first water supply expansion ring mounting ring 6 is upward, the water supply joint limiting blocks 5 are downward, a gap expansion opening is arranged between the two water supply joint limiting blocks 5, when the water supply connector 22 is inserted into the first water supply expansion ring 2, the water supply connector 22 is clamped and fixed on the bottom end of the water supply connector limiting block 5 through the raised retaining ring 7 which is arranged on the end head in a surrounding way, thereby, the water feed joint 22 is hermetically connected with the check valve, and the water feed joint 22 opens the check valve by pressing.
The water feeding expansion ring comprises a second water feeding expansion ring 8, the second water feeding expansion ring 8 and a first water feeding expansion ring 2 are matched with each other and are installed in a water feeding connector installation cavity 4 in a sleeved mode, the second water feeding expansion ring 8 comprises a second water feeding expansion ring installation ring 9 and a water feeding connector clamping block 10, the water feeding connector clamping block 10 is of a J-shaped structure, the lower end of the water feeding connector clamping block 10 is arranged on the inner wall of the second water feeding expansion ring installation ring 9 in a surrounding mode, the water feeding connector clamping block 10 is arranged in a surrounding mode to form a tensioning clamping barrel structure, and an arc-shaped portion 12 on the water feeding connector clamping block 10 is clamped on a water feeding connector 22.
The water supply connector limiting block 5 is provided with a water supply connector clamping block notch 11, the second water supply expansion ring 8 is installed on the inner upper portion of the water supply connector installation cavity 4 through a second water supply expansion ring installation ring 9, the second water supply expansion ring 8 is installed in the direction opposite to that of the first water supply expansion ring 2, the second water supply expansion ring installation ring 9 of the second water supply expansion ring 8 is arranged below, the water supply connector clamping block 10 is arranged below, each water supply connector clamping block 10 is correspondingly sleeved on one water supply connector limiting block 5, and the arc-shaped portion 12 of each water supply connector clamping block 10 is clamped in the water supply connector clamping block notch 11.
The invention relates to a safety water supply joint of a bullet train, which is provided with a first water supply expansion ring and a second water supply expansion ring which can be expanded; the end of the water feeding joint 22 can be limited and clamped through the first water feeding expansion ring, the body of the water feeding joint 22 can be limited and clamped through the second water feeding expansion ring, so that the water feeding joint 22 can be firmly installed on the safe water feeding joint through clamping two points on the water feeding joint 22 through the first water feeding expansion ring and the second water feeding expansion ring, the water feeding joint 22 is disassembled or separated only by inclining the safe water feeding joint and the water feeding joint 22, the end of the water feeding joint limiting block 5 falls off to release the clamping limitation on the end of the water feeding joint 22, and the water feeding joint 22 is further drawn out from the first water feeding expansion ring 2; the problem of the motor car water feeding staff work error forget after the water feeding operation is accomplished, in time pull out the inlet tube, lead to the incident after the motor car starts is solved.
When in normal use, the water inlet pipe joint 3 is connected with the water inlet pipe 21 to open the water inlet pipe 21; the upper water joint 22 is inserted into the first upper water expansion ring 2, the upper water joint 22 is clamped and fixed at the bottom end of the upper water joint limiting block 5 through the raised retaining ring 7 arranged on the end head of the upper water joint 22 in a surrounding mode, so that the upper water joint 22 is in sealing connection with the check valve, the upper water joint clamping block 10 of the second upper water expansion ring 8 is clamped on the upper water joint, meanwhile, the upper water joint 22 extrudes the check valve seat 14 of the check valve, the check valve core barrel 17 moves downwards in the check valve core mounting hole 19, the seat plate 16 is separated from the check valve sleeve 15, the water through hole 18 in the check valve core barrel 17 is communicated inside and outside, water sequentially enters the upper water joint 22 from the water inlet pipe 21, the water inlet pipe joint 3, the water through hole 18 and the check valve core barrel 17, and. After water feeding is finished, the water feeding connector shell 1 is held by a hand to incline to one side, and as the water feeding connector 22 is fixed on the motor car on the axis, when the water feeding connector shell 1 inclines to one side, the end of the water feeding connector 22 can extrude the water feeding connector limiting block 5 to open the water feeding connector limiting block, so that the end of the water feeding connector limiting block 5 falls off to release the limitation of clamping the end of the water feeding connector 22, the water feeding connector 22 is further extracted from the first water feeding expansion ring 2, the water feeding connector 22 is not extruded on the check valve seat 14 when being extracted from the first water feeding expansion ring 2, and the check valve seat 14 is reset under the elastic action of the check valve spring 13 to close the check valve.
After water feeding is finished, the water feeding connector 22 is forgotten to be pulled out, the motor car is started, as the axis of the water feeding connector 22 is fixed on the motor car, the water feeding connector shell 1 inclines towards one side relative to the water feeding connector 22, when the water feeding connector shell 1 inclines towards one side, the end of the water feeding connector 22 can press the water feeding connector limiting block 5 to open the water feeding connector limiting block, so that the end of the water feeding connector limiting block 5 falls off to release the end clamping limitation on the water feeding connector 22, the water feeding connector 22 is further pulled out from the first water feeding expansion ring 2, the water feeding connector 22 is not pressed on the check valve seat any more when the water feeding connector 22 is pulled out from the first water feeding expansion ring 2, and the check valve seat 14 is reset under the elastic force of the check valve spring 13 to close the check valve.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the check valve of the bullet train safety water supply joint of the present invention comprises a check valve spring 13, a check valve seat 14 and a check valve sleeve 15, wherein the check valve spring 13 is arranged at the bottom of the water supply joint installation cavity 4, the check valve seat 14 comprises a seat plate 16 and a check valve core barrel 17, the check valve core barrel 17 is arranged on the upper end surface of the seat plate 16, a water through hole 18 is arranged around the connecting part of the check valve core barrel 17 and the seat plate 16, and the bottom end surface of the seat plate 16 is arranged on the check valve spring 13; the check valve sleeve 15 is hermetically installed in the middle of the upper water joint installation cavity 4, a check valve core installation hole 19 is formed in the middle of the check valve sleeve 15, and the check valve core barrel 17 of the check valve seat 14 is hermetically inserted into the check valve core installation hole 19. The upper end surface of the seat plate 16 is provided with a seal ring 20 around the check valve cartridge 17, and in the check valve closed state, the upper end surface of the seat plate 16 is hermetically connected with the check valve sleeve 15 through the seal ring 20, and the water passage hole 18 of the check valve cartridge 17 is sealed through the check valve cartridge mounting hole 19, so that high-pressure water cannot pass through the water passage hole 18.
The invention relates to a safety water supply connector of a bullet train, wherein a check valve is arranged in the safety water supply connector and comprises a check valve spring 13, a check valve seat 14 and a check valve sleeve 15, the check valve is in a closed state when the safety water supply connector and the water supply connector 22 are not connected and installed, the check valve can be automatically triggered to be opened after the safety water supply connector and the water supply connector 22 are connected, and can be automatically closed after the water supply connector 22 is pulled out, even if a water inlet pipe 21 is connected with high-pressure water, the safety water supply connector can be ensured not to leak water, the problem that the existing bullet train water supply connector does not have the automatic opening and closing function is solved, so that a worker is required to open a valve switch after completing water supply connection, and the water supply efficiency is seriously delayed.
Example 3
As shown in fig. 1-5, a water supply connection method for a bullet train safety water supply connector is characterized by comprising the following steps:
and 2, inserting the water feeding joint 22 into the first water feeding expansion ring 2, clamping the water feeding joint 22 at the bottom of the water feeding joint limiting block 5 through a raised check ring 7 arranged on the end of the water feeding joint 22 in a surrounding mode, so that the water feeding joint 22 is in sealing connection with the check valve, clamping the water feeding joint clamping block 10 of the second water feeding expansion ring 8 on the water feeding joint, simultaneously extruding a check valve seat 14 of the check valve through the water feeding joint 22, enabling the check valve core barrel 17 to move downwards in the check valve core mounting hole 19, separating the seat plate 16 from the check valve sleeve 15, communicating the inside and the outside of a water through hole 18 in the check valve core barrel 17, and feeding water into the water feeding joint 22 from the water inlet pipe 21, the water inlet pipe joint 3, the water through hole 18 and the check valve core barrel 17 in sequence to realize water feeding.
And step 3, after water feeding is finished, holding the water feeding connector shell 1 to incline towards one side, and since the axis of the water feeding connector 22 is fixed on the motor car, when the water feeding connector shell 1 inclines towards one side, the end of the water feeding connector 22 can press the water feeding connector limiting block 5 to open the water feeding connector limiting block, so that the end of the water feeding connector limiting block 5 falls off to release the limitation of clamping the end of the water feeding connector 22, the water feeding connector 22 is further extracted from the first water feeding expansion ring 2, the water feeding connector 22 is not pressed on the check valve seat 14 when the water feeding connector 22 is extracted from the first water feeding expansion ring 2, and the check valve seat 14 resets under the elastic action of the check valve spring 13 to close the check valve.
The safety joint for the water-feeding rubber hose of the bullet train, which is simple in structure, reasonable in design and simple and convenient to use and operate, can ensure normal water-feeding operation, can be automatically disconnected from the water-feeding rubber hose under the emergency condition that the bullet train and the water-feeding rubber hose are not separated from starting, ensures that the water-feeding rubber hose is not dragged away, and reduces potential safety hazards.
Example 4
As shown in fig. 1-5, a water-feeding connection method for a safety water-feeding joint of a bullet train comprises the steps that after water feeding is completed, forgetting to pull out the water supply connector 22, starting the bullet train, replacing the step 3 of the embodiment 3 with the step 3 of the embodiment 3, because the axis of the upper water joint 22 is fixed on the bullet train, the shell 1 of the upper water joint inclines towards one side relative to the upper water joint 22, when the shell 1 of the upper water joint inclines towards one side, the end head of the upper water joint 22 can extrude the upper water joint limiting block 5 to open, so that the end of the water feeding joint limiting block 5 falls off to release the limit of the end clamping of the water feeding joint 22, and then the water supply connector 22 is drawn out from the first water supply expansion ring 2, and at the same time when the water supply connector 22 is drawn out from the first water supply expansion ring 2, the water supply connector 22 does not extrude the check valve seat any more, and the check valve seat 14 is reset under the elastic force of the check valve spring 13 to close the check valve.
The safety joint for the water-feeding rubber hose of the bullet train, which is simple in structure, reasonable in design and simple and convenient to use and operate, can ensure normal water-feeding operation, can be automatically disconnected from the water-feeding rubber hose under the emergency condition that the bullet train and the water-feeding rubber hose are not separated from starting, ensures that the water-feeding rubber hose is not dragged away, and reduces potential safety hazards.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A water supply connection method for a safety water supply joint of a bullet train is characterized by comprising the following steps:
step 1, connecting a water inlet pipe joint (3) with a water inlet pipe (21) and opening the water inlet pipe (21);
step 2, inserting a water feeding joint (22) into the first water feeding expansion ring (2), clamping the water feeding joint (22) on the bottom end of a water feeding joint limiting block (5) through a raised check ring (7) arranged on the end of the water feeding joint (22) in a surrounding mode, and thus enabling the water feeding joint (22) to be in sealing connection with a check valve, clamping a water feeding joint clamping block (10) of the second water feeding expansion ring (8) on the water feeding joint, simultaneously enabling a check valve core cylinder (17) to move downwards in a check valve core mounting hole (19) through extruding a check valve seat (14) of the check valve by the water feeding joint (22), separating a seat plate (16) from a check valve sleeve (15), enabling a water through hole (18) in the check valve core cylinder (17) to be communicated with the inside and outside, and enabling water to enter the water feeding joint (22) from a water inlet pipe (21), a water inlet pipe joint (3), the water through hole (18) and the check valve core cylinder (17;
step 3, after water feeding is finished, holding the water feeding connector shell (1) to incline to one side, wherein the axis of the water feeding connector (22) is fixed on the motor car, when the water feeding connector shell (1) inclines to one side, the end of the water feeding connector (22) can press the water feeding connector limiting block (5) to open the water feeding connector limiting block, so that the end of the water feeding connector limiting block (5) falls off to release the end clamping limitation on the water feeding connector (22), the water feeding connector (22) is drawn out from the first water feeding expansion ring (2), the water feeding connector (22) does not press the non-return valve seat (14) when the water feeding connector (22) is drawn out from the first water feeding expansion ring (2), and the non-return valve seat (14) resets under the elastic force of the non-return valve spring (13) to close the non-return valve;
the motor car safety water supply connector comprises a water supply connector shell (1), a check valve and a first water supply expansion ring (2), and is characterized in that: the lower end of the upper water joint shell (1) is provided with a water inlet pipe joint (3), the upper end of the upper water joint shell (1) is provided with an upper water joint installation cavity (4), and the lower part of the upper water joint installation cavity (4) is provided with a check valve;
the first water feeding expansion ring (2) comprises a first water feeding expansion ring mounting ring (6) and a water feeding joint limiting block (5), the upper end of the plurality of water feeding joint limiting blocks (5) is arranged on the inner wall of the first water feeding expansion ring mounting ring (6) in a surrounding mode, the plurality of water feeding joint limiting blocks (5) are arranged in a surrounding mode to form a frustum cylinder structure, the first water feeding expansion ring (2) is mounted at the inner upper end of a water feeding joint mounting cavity (4) through the first water feeding expansion ring mounting ring (6), when the water feeding joint (22) is inserted into the first water feeding expansion ring (2), the water feeding joint (22) is clamped and fixed at the bottom end of the water feeding joint limiting block (5) through a raised check ring (7) arranged on the end of the water feeding joint (22) in a surrounding mode, the water feeding joint (22) is connected with the check valve in a sealing mode, and meanwhile the water feeding joint (22) enables the check valve to be opened through extrusion.
2. The method for connecting the water supply joint of the bullet train safety water supply joint according to claim 1, wherein the method comprises the following steps: the safe water feeding joint of the bullet train further comprises a second water feeding expansion ring (8), the second water feeding expansion ring (8) comprises a second water feeding expansion ring mounting ring (9) and a water feeding joint clamping block (10), the water feeding joint clamping block (10) is of a J-shaped structure, the lower end of the water feeding joint clamping block (10) is arranged on the inner wall of the second water feeding expansion ring mounting ring (9) in a surrounding mode, the water feeding joint clamping blocks (10) are arranged in a surrounding mode to form a tensioning clamping barrel structure, and an arc-shaped portion (12) on the water feeding joint clamping block (10) is clamped on the water feeding joint (22).
3. The method for connecting the water supply joint of the bullet train safety water supply joint according to claim 2, wherein the method comprises the following steps: the water feeding joint is characterized in that a water feeding joint clamping block notch (11) is formed in the water feeding joint limiting block (5), the second water feeding expansion ring (8) is installed on the inner upper portion of the water feeding joint installation cavity (4) through the second water feeding expansion ring installation ring (9), each water feeding joint clamping block (10) is correspondingly sleeved on one water feeding joint limiting block (5), and an arc-shaped position (12) of each water feeding joint clamping block (10) is clamped in the water feeding joint clamping block notch (11).
4. The method for connecting the water supply joint of the bullet train safety water supply joint according to claim 1, wherein the method comprises the following steps: the check valve comprises a check valve spring (13), a check valve seat (14) and a check valve sleeve (15), the check valve spring (13) is arranged at the bottom of the upper water joint installation cavity (4), the check valve seat (14) comprises a seat plate (16) and a check valve core cylinder (17), the check valve core cylinder (17) is arranged on the upper end surface of the seat plate (16), a water through hole (18) is annularly arranged at the connecting part of the check valve core cylinder (17) and the seat plate (16), and the bottom end surface of the seat plate (16) is arranged on the check valve spring (13); the check valve sleeve (15) is hermetically arranged in the middle of the water supply connector mounting cavity (4), a check valve core mounting hole (19) is formed in the middle of the check valve sleeve (15), and a check valve core cylinder (17) of the check valve seat (14) is hermetically inserted in the check valve core mounting hole (19).
5. The method for connecting the water supply joint of the bullet train safety water supply connector to the water supply according to claim 4, wherein the method comprises the following steps: and a sealing ring (20) is arranged on the upper end surface of the seat plate (16) around the check valve core barrel (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750449.8A CN108916503B (en) | 2018-07-10 | 2018-07-10 | Safety water supply connector and water supply connection method for bullet train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750449.8A CN108916503B (en) | 2018-07-10 | 2018-07-10 | Safety water supply connector and water supply connection method for bullet train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108916503A CN108916503A (en) | 2018-11-30 |
| CN108916503B true CN108916503B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810750449.8A Active CN108916503B (en) | 2018-07-10 | 2018-07-10 | Safety water supply connector and water supply connection method for bullet train |
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| Country | Link |
|---|---|
| CN (1) | CN108916503B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2134612B (en) * | 1983-02-08 | 1986-04-23 | Bosch Siemens Hausgeraete | Valved flow coupling |
| CN201225474Y (en) * | 2008-07-02 | 2009-04-22 | 深圳成霖洁具股份有限公司 | Mounting-quickly joint |
| CN202646974U (en) * | 2012-06-18 | 2013-01-02 | 金龙飞 | Special quick-inserting connector for high-pressure atomization system |
| CN207029204U (en) * | 2017-08-09 | 2018-02-23 | 中铁六局集团有限公司 | Passenger train water-feeding device |
| CN208442327U (en) * | 2018-07-10 | 2019-01-29 | 成都海瑞斯轨道交通设备有限公司 | A kind of upper water swivel device of motor-car safety |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8757213B2 (en) * | 2011-11-04 | 2014-06-24 | Blue Gentian, Llc | Commercial hose |
-
2018
- 2018-07-10 CN CN201810750449.8A patent/CN108916503B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2134612B (en) * | 1983-02-08 | 1986-04-23 | Bosch Siemens Hausgeraete | Valved flow coupling |
| CN201225474Y (en) * | 2008-07-02 | 2009-04-22 | 深圳成霖洁具股份有限公司 | Mounting-quickly joint |
| CN202646974U (en) * | 2012-06-18 | 2013-01-02 | 金龙飞 | Special quick-inserting connector for high-pressure atomization system |
| CN207029204U (en) * | 2017-08-09 | 2018-02-23 | 中铁六局集团有限公司 | Passenger train water-feeding device |
| CN208442327U (en) * | 2018-07-10 | 2019-01-29 | 成都海瑞斯轨道交通设备有限公司 | A kind of upper water swivel device of motor-car safety |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108916503A (en) | 2018-11-30 |
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