CN204785535U - Pneumatic liquid feeding rifle of LNG form - Google Patents
Pneumatic liquid feeding rifle of LNG form Download PDFInfo
- Publication number
- CN204785535U CN204785535U CN201520495051.6U CN201520495051U CN204785535U CN 204785535 U CN204785535 U CN 204785535U CN 201520495051 U CN201520495051 U CN 201520495051U CN 204785535 U CN204785535 U CN 204785535U
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- vent
- housing
- claw
- liquid feeding
- runddichtringo
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- 239000007788 liquid Substances 0.000 title claims abstract description 68
- 210000000078 claw Anatomy 0.000 claims description 69
- 238000007789 sealing Methods 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 17
- 239000000945 filler Substances 0.000 abstract description 5
- 238000005429 filling process Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a pneumatic liquid feeding rifle of LNG form. The utility model discloses a casing, lower extreme and the continuous cylinder cap that just has the hole in casing upper end to and set up in the casing and the valve member of cylinder cap is passed to the upper end, sets up the controller on the casing lateral wall, the casing lower extreme still is equipped with can be forced to open ice and self rotatable and jack catch that reset automatically, the valve member middle section is provided with the piston dish that piston motion was to the relative casing of drive valve subassembly. The utility model discloses two action clean separation of locking of well jack catch and liquid filling, mechanical structure program control is adopted in the action, and during the filling, jack catch locking action is immature, and liquid filling action can not begin, when moving back the rifle, the valve member of the pneumatic liquid feeding rifle of form breaks away from with the LNG filler totally, and the jack catch is always at lock status, has greatly improved LNG liquid filling process's security performance.
Description
Technical field
The utility model relates to a kind of LNG liquid addition rifle, is specifically related to the pneumatic liquid feeding rifle of a kind of LNG formula automatically opened ice.
Background technique
In prior art, LNG liquid addition rifle is manually operated, during for LNG vehicle liquid feeding, operator are docked liquid feeding rifle with the gas port that adds be contained on LNG car, then rotatable handle forward, namely along the direction adding gas port, liquid feeding rifle is tightly locked in be added on gas port, while this process is carried out, liquid feeding rifle passage with add gas port and be communicated with, start to LNG automobile filling LNG liquid by liquid feeding rifle passage; After filling, operator's handle rotates to original state backward, presses handle backward, makes claw open to unclamp and add gas port, pull-out liquid feeding rifle, makes liquid feeding rifle and adds gas port and depart from, and filling operation process is complete.
But mainly there is the defect of the following aspects in existing LNG liquid addition rifle:
(1) during filling, while the locking of liquid feeding rifle adds gas port, the filling action of liquid feeding rifle is also carried out simultaneously, thus very easily causes when locking does not add gas port to claw completely, the filling action of liquid feeding rifle causes liquid feeding bullet to go out, and threatens the personal safety of filling operator.
(2), when moving back rifle, to release due to liquid feeding rifle and claw unclamps and adds gas port action and carry out simultaneously, thus liquid feeding rifle completely and add gas port depart from time, claw opens and causes liquid feeding bullet to go out, and threatens the personal safety of the operator that annotate.
(3) rotatable handle radius is comparatively large, and the operating space of needs is larger; And overall weight lays particular stress on, operate extremely inconvenient.
(4) existing LNG liquid addition rifle filling and move back in rifle process, all operations all need manual operation, and the labor intensity of operator is large.
(5) existing LNG liquid addition rifle complicated structure, manufacture, maintain trouble, the use and maintenance cost of upkeep of client is high.
Model utility content
The purpose of this utility model is to overcome above-mentioned defect, provide a kind of simple and compact for structure, realize convenient, sequencing interlock can be realized and the pneumatic liquid feeding rifle of the LNG formula that can automatically open ice.
To achieve these goals, the technical solution adopted in the utility model is as follows:
The pneumatic liquid feeding rifle of LNG formula, comprises housing, and lower end is connected with housing upper end and has the cylinder cap of endoporus, and is arranged in housing and upper end through the valve member of cylinder cap, is arranged at the controller in housing sidewall; Described housing lower end is also provided with can open ice and self claw that is rotatable and that reset by automatic forced; Described valve member stage casing is provided with the piston plate that the relative housing of actuating valve door assembly does piston movement;
Particularly, described controller comprises the control volume be communicated with shell, be arranged at the control plug in control volume, be arranged at control volume madial wall and for controlling plug retaining spring, positioning ball, positioning screwn of relative position in control volume, be arranged at the capping above control volume, and be arranged at control and hold beyond the Great Wall and the button being positioned at control volume outside.
Particularly, described housing, cylinder cap, piston plate and valve member form upper and lower two relatively independent and cavitys be not directly communicated with jointly: upper cavity and lower chamber; Described upper cavity is positioned at above described piston plate, and described lower chamber is positioned at below described piston plate;
Particularly, described housing sidewall is provided with vent one, and described cylinder cap sidewall is provided with vent two; Described control is provided with axial flow passage and radial vent one, the radial vent two of hollow beyond the Great Wall; The sidewall of described control volume is provided with vent three, vent four; Described vent one is connected with described vent three, and described vent two is connected with described vent four; Described control volume is also provided with upper air-vent, lower exhaust port and inlet hole.
Particularly, described claw is fixing with on housing by claw axle, claw axle sleeve and split washer; The claw spring be positioned at below claw axle is also provided with between described claw and housing; Described claw axle upper end is provided with locking bearing, and lower end is provided with the bearing that opens ice; Described locking bearing is fixed on claw with the bearing that opens ice by bearing core shaft and end ring, and described claw upper end is through housing.
Particularly, described control plug sidewall is provided with step, and described location steel column coordinates with step under the effect of retaining spring, in order to control the relative position of plug in control volume.
Particularly, described valve member comprises the valve body that upper end is provided with piston plate, and is arranged at gland, valve spring cover, valve spring and the flap assembly in valve body.
Particularly, described valve body lower end portion is provided with periphery and inner concave; The transition conical surface and the lower transition conical surface is provided with between described periphery and inner concave; The periphery of described locking bearing and valve body, inner concave and upper transition conical surface Structure deformation; The periphery of described open ice bearing and valve body, inner concave and lower transition conical surface Structure deformation; Described valve body top is provided with vacuum jacket thermal insulation layer, and be filled with thermal insulating material in this vacuum jacket thermal insulation layer, described piston plate is fixed on outside vacuum jacket thermal insulation layer.
Particularly, the periphery of described valve body is socketed with driving spring, end in contact under described driving spring upper-end surface and described piston plate, driving spring lower end surface contacts with the boss face be arranged on housing central section inwall.
Particularly, described housing central section is provided with two O RunddichtringOs three, and described piston plate is provided with O RunddichtringO four, is provided with two O RunddichtringOs five in described inner hole of cylinder cover;
Particularly, described control is also provided with O RunddichtringO one and O RunddichtringO two beyond the Great Wall; Adiabatic sealing gasket is provided with between described controller and housing.
Particularly, the general Sealing being positioned at valve member underpart is also provided with in described shell; Described general Sealing is fixed on valve member lower end by back-up ring and shaft block ring.
Particularly, described control is also provided with O RunddichtringO one and O RunddichtringO two beyond the Great Wall; Adiabatic sealing gasket is provided with between described controller and housing;
When described control plug is in the top in control volume, described vent four is in control O RunddichtringO less than two beyond the Great Wall, and described vent three is in the O RunddichtringO less than one controlling plug;
When described control plug be in control volume bottom time, described vent four is on control O RunddichtringO two beyond the Great Wall, described vent three be in control plug O RunddichtringO one on.
What deserves to be explained is, in the utility model, said unloaded state is as follows with filling state specific explanations:
Unloaded state, this state is the free state residing when not working of liquid feeding rifle, as shown in Figure 7;
Filling state, this state is, after the docking of liquid feeding rifle adds gas port success, come into effect the state that liquid feeding is later, as shown in Figure 8.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) in the utility model, claw is tightly locked and is separated completely with liquid filling two actions, and action adopts mechanical structure program control, and during filling, claw is tightly locked action and do not completed, and liquid filling action can not start; When moving back rifle, not completely and the disengaging of LNG filler, claw is in tight lock status to valve member of the present utility model always, drastically increases the Safety performance of LNG liquid filling process.
(2) the utility model devises pneumatic control mode and replaces existing pure manual design, and in conjunction with controller, achieving the filling of liquid feeding rifle and moving back rifle adopts plug type by key control, convenient and swift, operation simplifies, and whole operating process only needs the button extracting and press controller to get final product complete operation, significantly reduces the labor intensity of operator.
(3) the utility model have employed and forces ice breaking structure design, can realize the long-time continuous operation of LNG filling process, decreases nitrogen purge during LNG filling.
(4) the utility model volume is little, lightweight, adopts push key type operation, not by the restriction of operating space.
(5) the utility model structure is simple, manufacture convenient, to use and easy to maintenance, use and maintenance cost of upkeep is lower.
(6) the utility model adopts the existing instrument wind of LNG liquid addition machine as control power gas source, does not need to increase power gas source equipment in addition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 of the present utility modelly partly cuts open schematic diagram.
Fig. 3 is plan view of the present utility model.
Fig. 4 is the structure sectional view of the utility model middle controller.
Fig. 5 is the enlarged view of the utility model middle controller.
Fig. 6 is valve body structure schematic diagram of the present utility model.
Fig. 7 is unloaded state schematic diagram of the present utility model.
Fig. 8 is filling view of the present utility model.
Wherein, mark corresponding component name in accompanying drawing to be called: 1-housing, 2-valve body, 3-driving spring, 4, 5-O RunddichtringO three, 6-O RunddichtringO four, 7-O RunddichtringO six, 8-cylinder cap, 9-joint sealing circle, 10-inipple, 11-hole back-up ring, 12-gland, 13-valve spring cover, 14-valve spring, 15-bearing core shaft, 16-end ring, 17-locks bearing, 18-claw axle, 19-claw axle sleeve, 20-split washer, 21-opens ice bearing, 22-claw, 23-claw spring, the general Sealing of 24-, 25-back-up ring, 26-shaft block ring, 27-positioning ball, 28-positioning screwn, 29-retaining spring, 30-flap pressing plate, 31-valve clack sealing ring, 32-socket head screw one, 33-valve petal body, 34-flap guide ring, 35-inlet hole, the adiabatic sealing gasket of 36-, 37-control volume, 38-O RunddichtringO one, 39-O RunddichtringO seven, 40-O RunddichtringO eight, 41-controls plug, 42-capping, 43-button, 44-left supported plate, 45-handle, 46-right supported plate, 47, 48-socket head screw two, 49-crisscross screw, 50-piston plate, 51, 52-O RunddichtringO five, 53-upper cavity, 54-lower chamber, 55-O RunddichtringO two, 56-vent one, 57-vent two, 58-axial flow passage, the radial vent one of 59-, the radial vent two of 60-, 61-vent three, 62-vent four, 63-upper air-vent, exhaust port under 64-, 65-step, 66-periphery, 67-inner concave, the upper transition conical surface of 68-, the transition conical surface under 69-, 70-vacuum jacket thermal insulation layer, 71-vacuum jacket thermal insulation layer shell.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and mode of execution of the present utility model includes but not limited to the following example.
Embodiment
As shown in Fig. 1 ~ 8, the present embodiment provides a kind of LNG formula pneumatic liquid feeding rifle, and this pneumatic liquid feeding rifle mainly comprises the parts such as housing, cylinder cap, claw, valve member and controller.On the basis of said structure, the present embodiment arranges the air-flow path or gas circuit that Gong are interconnected on housing, controller and cylinder cap, promotes each parts linkage action by stream pressure, realize to the filling of liquid feeding rifle with move back rifle action key formula and control, convenient and swift, operation simplifies.In addition, can be made by the design of claw that claw is tightly locked, liquid filling two actions are separated completely, and realize automatic forced during long-time continuous filling and to open ice function, drastically increase Safety performance and the operation ease of LNG liquid filling process.In addition, in order to better realize the utility model, upper described cylinder cap upper end is also connected with inipple, and between inipple and cylinder cap, be provided with joint sealing circle 9, and is provided with hole back-up ring 11 in threaded connector lower end.O RunddichtringO 67 is also provided with between described cylinder cap and housing.
Further, this pneumatic liquid feeding rifle comprises housing 1, and lower end is connected with housing 1 upper end and has the cylinder cap 8 of endoporus, and is arranged in housing 1 and upper end through the valve member of cylinder cap, is arranged at the controller on housing 1 sidewall; Described housing lower end is also provided with can open ice and self claw 22 that is rotatable and that reset by automatic forced; Described valve member stage casing is provided with the piston plate 50 that the relative housing 1 of actuating valve door assembly does piston movement; Wherein, piston plate and valve member adopt integrated being made.Be provided with two O RunddichtringOs 34,5 in the middle part of described housing 1, described piston plate 50 is provided with O RunddichtringO 46, is provided with two O RunddichtringOs 5 51,52 in described cylinder cap 8 endoporus.
Above-mentioned valve member and supporting structure as follows:
Described valve member comprises the valve body 2 that upper end is provided with piston plate 50, and is arranged at gland 12, valve spring cover 13, valve spring 14 and the flap assembly in valve body 2.Described valve body lower end portion is provided with periphery 66 and inner concave 67; The transition conical surface 68 and the lower transition conical surface 69 is provided with between described periphery 66 and inner concave 67; Described valve body top is provided with vacuum jacket thermal insulation layer 70, is filled with thermal insulating material in this vacuum jacket thermal insulation layer 70, and described piston plate 50 is fixed on outside vacuum jacket thermal insulation layer.Wherein, be also provided with vacuum jacket thermal insulation layer shell 71 outward at vacuum jacket thermal insulation layer, above-mentioned piston plate is then be fixed on vacuum jacket thermal insulation layer shell.The periphery 66 of described valve body 2 is socketed with driving spring 3, and described driving spring 3 upper-end surface and described piston plate 50 times end in contact, driving spring 3 lower end surface contacts with the boss face be arranged on housing central section inwall.
Flap assembly comprises valve petal body 33, be arranged at the flap guide ring 34 in the twice circular groove of valve petal body top and bottom, be arranged at the valve clack sealing ring 31 that valve petal body lower end surface contacts with sealing conical surface of valve body, and be arranged at the flap pressing plate 30 of valve petal body lower end in order to the valve clack sealing ring that is fixed and clamped.Described flap pressing plate is also fixedly linked by socket head screw 1 and valve petal body lower end.
By above-mentioned setting, the implementation that described piston plate promotion valve member does piston movement is as follows: on valve body, be socketed with driving spring, driving spring upper-end surface contacts with the piston plate lower end surface on valve body, driving spring lower end surface contacts with housing central section step surface, and the air-flow being switched upper cavity and lower chamber by controller drives valve member to move up and down to realize piston plate.
In the present embodiment, claw is connected with housing into rotation, adds gas port avoid liquid feeding rifle to come off from adding gas port in filling process for locking, and claw can also automatically perform pressure and to open ice action where necessary.Concrete structure is as follows: described claw 22 is fixing with on the tangent line of housing 2 by claw axle 18, claw axle sleeve 19 and split washer 20; The claw spring 23 be positioned at below claw axle 18 is also provided with between described claw 22 and housing 1; Described claw axle 18 upper end is provided with locking bearing 17, and lower end is provided with the bearing 21 that opens ice; Described locking bearing 17 is fixed in the Inner arc of claw 22 with the bearing 21 that opens ice by bearing core shaft 15 and end ring 16, and described claw 22 upper end is through housing 1.The periphery 66 of described locking bearing 17 and valve body 2, inner concave 67 and the upper transition conical surface 68 Structure deformation; The periphery 66 of described open ice bearing 21 and valve body 2, inner concave 67 and the lower transition conical surface 69 Structure deformation; What deserves to be explained is, the inner concave in described valve body lower end portion is less than periphery relatively, and periphery to inner concave, controls the angle of swing of claw by the upper transition conical surface, lower transition conical surface transition by the diameter difference of periphery and inner concave; Be provided with claw spring between described claw and described housing, described claw spring, in the below of the Support Position of housing sidewall in claw axle fixed position, can realize automatically reseting of claw by this claw spring.
Above-mentioned controller architecture is as follows:
Controller comprises the control volume 37 be communicated with shell 1, be arranged at the control plug 41 in control volume, be arranged at control volume 37 madial wall and retaining spring 29, positioning ball 27, positioning screwn 28 for controlling plug 41 relative position in control volume 37, be arranged at the capping 42 above control volume 37, and be arranged at and control plug 41 upper end and be positioned at the button 43 of control volume outside.
Particularly, described housing 1, cylinder cap 8, piston plate 55 and valve member form upper and lower two relatively independent and cavitys be not directly communicated with jointly: upper cavity 53 and lower chamber 54; Described upper cavity 53 is positioned at above described piston plate 50, and described lower chamber 54 is positioned at below described piston plate 50; Described housing 1 sidewall is provided with vent 1, and described cylinder cap 8 sidewall is provided with vent 2 57; Described control plug 41 is provided with axial flow passage 58 and radial vent 1, the radial vent 2 60 of hollow; The sidewall of described control volume 37 is provided with vent 3 61, vent 4 62; Described vent 1 is connected with described vent 3 61, and described vent 2 57 is connected with described vent 4 62; Described control volume 37 is also provided with upper air-vent 63, lower exhaust port 64 and inlet hole 35.
Further, described control plug 41 sidewall is provided with step 65, and described location steel column 27 coordinates with step 65 under the effect of retaining spring 29, in order to control the relative position of plug 41 in control volume 37.Described control plug 41 is also provided with O RunddichtringO 1 and O RunddichtringO 2 55; Described control is simultaneously held beyond the Great Wall and is also provided with O RunddichtringO 7 39 and O RunddichtringO 8 40.Adiabatic sealing gasket 36 is provided with between described controller and housing 1.
Again further, the general Sealing 24 being positioned at valve member underpart is also provided with in described shell 1; Described general Sealing 24 is fixed on valve member lower end by back-up ring 25 and shaft block ring 26.
In addition, described control plug 41 is also provided with O RunddichtringO 1 and O RunddichtringO 2 55; Adiabatic sealing gasket 36 is provided with between described controller and housing 1; When described control plug is in the top in control volume 37, described vent 4 62 is in the O RunddichtringO less than 2 55 controlled on plug 37, and described vent 3 61 is in the O RunddichtringO less than one 38 controlling plug 41; When described control plug 41 be in control volume 37 bottom time, described vent 4 62 is on the O RunddichtringO 2 55 that controls on plug 37, described vent 3 61 be in control plug 41 O RunddichtringO 1 on.
In addition, the both sides, shell 1 upper end of the present embodiment are also respectively equipped with the left supported plate 44 and right supported plate 46 that are connected with housing by socket head screw 2 48; Described left supported plate and right supported plate are two, and two left supported plates, and two right supported plates are all connected by handle 45; Described left supported plate and handle end, and right supported plate and handle end are all by socket head screw 2 47.Described button 43 is also provided with crisscross screw 49.
What deserves to be explained is that tight lock and the action of opening ice of claw of the present utility model lock bearing and bearing realization of opening ice by valve member, specifically, under unloaded state, control plug to be in control volume bottom under the effect of retaining spring, and the gap that the inlet hole of control volume, the axial air flow passage controlling plug, two radial vents and control volume are formed with control plug, the vent three of control volume are communicated with lower chamber with the vent one of housing sidewall; Now, the vent four of upper cavity and cylinder cap vent two, control volume and upper air-vent are communicated with and communicate with air; Valve member and piston plate are in the top in housing, and claw is in open configuration, the locking bearing on the epimere inner arc surface of claw and valve body inner concave part contact.Under filling state, control to fill in the top be under the effect of limit spring in control volume, lower chamber is communicated with the vent one of housing sidewall, the vent three of control volume and lower exhaust port and communicates with air; Simultaneously, the vent two of cylinder cap sidewall, control volume vent four, the axial air flow passage controlling plug, the radial vent in top and control volume are communicated with upper cavity with the gap that control plug is formed, valve member and piston plate to be in housing bottom, claw is in locking state, and the locking bearing on the epimere inner arc surface of claw contacts with valve body periphery; Between unloaded state and filling state during transition, the locking bearing on the epimere inner arc surface of claw and the upper excessive taper-face contact between valve body periphery and inner concave also realize sliding rolling transition.Under normal state, the bearing that opens ice is unsettled, and not with valve body periphery, inner concave and lower excessive taper-face contact, when needs pressure is opened ice, the bearing that opens ice contacts with periphery with the conical surface excessive under valve body, backs down claw and opens ice by force.
Below in conjunction with controller illustrate liquid feeding rifle with add gas port dock filling liquid and liquid feeding rifle with add that gas port departs from move back in rifle process, the course of action of each component of the utility model:
One, under unloaded state, button is in extreme lower position, control plug to be in control volume bottom under the effect of retaining spring, controls gap that source of the gas formed with control plug by the inlet hole of control volume, the axial air flow passage controlling plug, two radial vents and control volume, the vent three of control volume and the vent one of housing sidewall and enters lower chamber; Now, the vent four of upper cavity and cylinder cap vent two, control volume is communicated with upper air-vent and communicates with air; Valve member and piston plate are in the top in housing under the effect of driving spring and bleed pressure, and claw is in open configuration, the locking bearing on the epimere inner arc surface of claw and valve body inner concave part contact.
Two, to LNG vehicle filling LNG liquid, time, upwards knob up, the gas in lower chamber is discharged through housing breathe one, control volume vent three and lower exhaust port, simultaneously, control the inlet hole of air-flow through control volume, control the axial air flow passage of plug, radial vent, and the gap that control volume and control plug are formed, the vent four of control volume, the vent two of cylinder cap enters upper cavity, piston plate is controlled the downward active force of air-flow in upper-end surface, after this active force overcomes the active force of driving spring, promotion piston plate and valve member move down, contracting locking bearing on the epimere inner arc surface of claw slides into periphery by the inner concave of valve body through upper transition conical surface rolling, valve member promotes claw and inwardly rotates to end locking LNG filler.
Three, valve member continues to move downward, general Sealing and add gas port sealing, back down LNG filler, LNG liquid filling starts, and now liquid feeding rifle is in filling state;
Four, after having annotated, press the button downwards, the air-flow of upper cavity is discharged by cylinder cap vent two, control volume vent four and upper air-vent; Meanwhile, control air-flow and enter lower chamber through the inlet hole of control volume, the axial air flow passage controlling plug, gap that two radial vents and control volume are formed with control plug, the vent three of control volume and the vent one of housing sidewall; Piston plate moves up under lower chamber controls the active force of air-flow, and valve member and LNG filler depart from.
Five, valve member continues to move up, locking bearing on the epimere inner arc surface of claw slides into inner concave by the periphery of valve body through upper transition conical surface rolling, under the active force of claw spring, claw opens to inner rotary, exit liquid feeding rifle, LNG liquid filling terminates, and unloaded state got back to by liquid feeding rifle.
Six, when LNG formula pneumatic liquid feeding rifle long-time continuous carries out filling operation, water in air branch congeals into ice in the position of claw axle, when moving back rifle, claw is made to be difficult to only automatically open under the effect of claw spring, when valve member moves up, the bearing that opens ice to contact under valve body the excessively conical surface be transitioned into valve body periphery, thus back down claw abolish by force freeze after, under the effect of claw spring, claw inner rotary is opened, at this moment can exit liquid feeding rifle, LNG liquid filling terminates, and unloaded state got back to by liquid feeding rifle.
Completing of said process, operator all only can need be realized by handover operation controller, and whole operating process only needs the button extracting and press controller to get final product complete operation, significantly reduces the labor intensity of operator.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical problem; even if some making on the utility model are without substantial change or polishing; the essence of the technological scheme adopted is still the same with the utility model, therefore it also should in protection domain of the present utility model.
Claims (10)
1. the pneumatic liquid feeding rifle of LNG formula, it is characterized in that, comprise housing (1), lower end is connected with housing (1) upper end and has the cylinder cap (8) of endoporus, and be arranged in housing (1) and upper end through the valve member of cylinder cap, be arranged at the controller on housing (1) sidewall; Described housing lower end is also provided with can open ice and self claw (22) that is rotatable and that reset by automatic forced; Described valve member stage casing is provided with the piston plate (50) that the relative housing of actuating valve door assembly (1) does piston movement;
Described controller comprises the control volume (37) be communicated with shell (1), be arranged at the control plug (41) in control volume, be arranged at control volume (37) madial wall and for controlling plug (41) retaining spring (29), positioning ball (27), positioning screwn (28) of relative position in control volume (37), be arranged at the capping (42) of control volume (37) top, and be arranged at and control plug (41) upper end and be positioned at the button (43) of control volume outside.
2. the pneumatic liquid feeding rifle of LNG formula according to claim 1, it is characterized in that, described housing (1), cylinder cap (8), piston plate (55) and valve member form upper and lower two relatively independent and cavitys be not directly communicated with jointly: upper cavity (53) and lower chamber (54); Described upper cavity (53) is positioned at described piston plate (50) top, and described lower chamber (54) is positioned at described piston plate (50) below;
Described housing (1) sidewall is provided with vent one (53), and described cylinder cap (8) sidewall is provided with vent two (57); Described control fills in axial flow passage (58) and radial vent one (59), the radial vent two (60) that (41) are provided with hollow; The sidewall of described control volume (37) is provided with vent three (61), vent four (62); Described vent one (56) is connected with described vent three (61), and described vent two (57) is connected with described vent four (62); Described control volume (37) is also provided with upper air-vent (63), lower exhaust port (64) and inlet hole (35).
3. the pneumatic liquid feeding rifle of LNG formula according to claim 1, is characterized in that, described claw (22) is fixing with on housing (1) by claw axle (18), claw axle sleeve (19) and split washer (20); The claw spring (23) being positioned at claw axle (18) below is also provided with between described claw (22) and housing (1); Described claw axle (18) upper end is provided with locking bearing (17), and lower end is provided with the bearing that opens ice (21); Described locking bearing (17) is fixed on claw (22) with the bearing (21) that opens ice by bearing core shaft (15) and end ring (16), and described claw (22) upper end is through housing (1).
4. the pneumatic liquid feeding rifle of LNG formula according to claim 3, it is characterized in that, described control plug (41) sidewall is provided with step (65), described location steel column (27) coordinates with step (65) under the effect of retaining spring (29), in order to control plug (41) relative position in control volume (37).
5. the pneumatic liquid feeding rifle of LNG formula according to claim 4, it is characterized in that, described valve member comprises the valve body (2) that upper end is provided with piston plate (50), and is arranged at gland (12), valve spring cover (13), valve spring (14) and the flap assembly in valve body (2).
6. the pneumatic liquid feeding rifle of LNG formula according to claim 5, is characterized in that, described valve body lower end portion is provided with periphery (66) and inner concave (67); The transition conical surface (68) and the lower transition conical surface (69) is provided with between described periphery (66) and inner concave (67); The periphery (66) of described locking bearing (17) and valve body (2), inner concave (67) and the upper transition conical surface (68) Structure deformation; The periphery (66) of the described bearing that opens ice (21) and valve body (2), inner concave (67) and the lower transition conical surface (69) Structure deformation; Described valve body top is provided with vacuum jacket thermal insulation layer (70), and be filled with thermal insulating material in this vacuum jacket thermal insulation layer (70), described piston plate (50) is fixed on outside vacuum jacket thermal insulation layer.
7. the pneumatic liquid feeding rifle of LNG formula according to claim 6, it is characterized in that, the periphery (66) of described valve body (2) is socketed with driving spring (3), end in contact under described driving spring (3) upper-end surface and described piston plate (50), driving spring (3) lower end surface contacts with the boss face be arranged on housing central section inwall.
8. the pneumatic liquid feeding rifle of the LNG formula according to any one of claim 1 ~ 7, it is characterized in that, described housing (1) middle part is provided with two O RunddichtringOs three (4,5), described piston plate (50) is provided with O RunddichtringO four (6), is provided with two O RunddichtringOs five (51,52) in described cylinder cap (8) endoporus;
Described control plug (41) is also provided with O RunddichtringO one (38) and O RunddichtringO two (55); Adiabatic sealing gasket (36) is provided with between described controller and housing (1).
9. the pneumatic liquid feeding rifle of LNG formula according to claim 1, is characterized in that, is also provided with the general Sealing (24) being positioned at valve member underpart in described shell (1); Described general Sealing (24) is fixed on valve member lower end by back-up ring (25) and shaft block ring (26).
10. the pneumatic liquid feeding rifle of LNG formula according to claim 2, is characterized in that, described control plug (41) is also provided with O RunddichtringO one (38) and O RunddichtringO two (55); Adiabatic sealing gasket (36) is provided with between described controller and housing (1);
When described control plug is in the top in control volume (37), described vent four (62) be in control plug (37) on O RunddichtringO two (55) below, described vent three (61) be in control plug (41) O RunddichtringO one (38) below;
When described control plug (41) be in control volume (37) bottom time, described vent four (62) is in and controls to fill on the O RunddichtringO two (55) on (37), and described vent three (61) is on the O RunddichtringO one (38) of control plug (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495051.6U CN204785535U (en) | 2015-07-09 | 2015-07-09 | Pneumatic liquid feeding rifle of LNG form |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495051.6U CN204785535U (en) | 2015-07-09 | 2015-07-09 | Pneumatic liquid feeding rifle of LNG form |
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| Publication Number | Publication Date |
|---|---|
| CN204785535U true CN204785535U (en) | 2015-11-18 |
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| CN201520495051.6U Expired - Fee Related CN204785535U (en) | 2015-07-09 | 2015-07-09 | Pneumatic liquid feeding rifle of LNG form |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508867A (en) * | 2016-01-15 | 2016-04-20 | 四川兴良川深冷科技有限公司 | LNG-form pneumatic liquid feeding gun |
| CN114046440A (en) * | 2021-11-04 | 2022-02-15 | 青岛新奥燃气设施开发有限公司 | Anti-icing active protection type LNG pneumatic liquid feeding gun and liquid feeding method |
-
2015
- 2015-07-09 CN CN201520495051.6U patent/CN204785535U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508867A (en) * | 2016-01-15 | 2016-04-20 | 四川兴良川深冷科技有限公司 | LNG-form pneumatic liquid feeding gun |
| CN105508867B (en) * | 2016-01-15 | 2018-01-09 | 四川兴良川深冷科技有限公司 | The pneumatic liquid feeding rifle of LNG formulas |
| CN114046440A (en) * | 2021-11-04 | 2022-02-15 | 青岛新奥燃气设施开发有限公司 | Anti-icing active protection type LNG pneumatic liquid feeding gun and liquid feeding method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 |