CN203670259U - Fluid control combination valve of self sucking pump - Google Patents
Fluid control combination valve of self sucking pump Download PDFInfo
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- CN203670259U CN203670259U CN201420003999.0U CN201420003999U CN203670259U CN 203670259 U CN203670259 U CN 203670259U CN 201420003999 U CN201420003999 U CN 201420003999U CN 203670259 U CN203670259 U CN 203670259U
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Abstract
The utility model discloses a fluid control combination valve of a self sucking pump. The combination valve comprises a pilot valve body and a slide valve body, wherein the pilot valve body is internally provided with a pilot valve piston, a piston rod and a pilot valve flap; a first pipe connector, a tenth pipe connector and a second pipe connector are disposed on the pilot valve body; the slide valve body is internally provided with a slide valve piston and a slide valve rod; a third pipe connector, a fourth pipe connector and a seventh pipe connector are disposed on the slide valve body; the third pipe connector is disposed at the left side of the slide valve piston; the slide valve piston is disposed between the fourth pipe connector and the seventh pipe connector; the upper side of the slide valve body is also provided with a fifth pipe connector and a sixth pipe connector while the lower side of the slide valve body is provided with a eighth pipe connector and a ninth pipe connector; and the slide valve rod is provided with vertical channels for communicating the fifth and eighth connectors as well as the sixth and the ninth connectors. The fluid control combination valve provided by the utility model is reasonable in design, simple in structure, easy to implement, and convenient to use; and with adoption of the fluid control combination valve, corresponding works completed by valves when a compelled gas-liquid separating-type jet pump starts, self-sucks, works and halts can be automatically completed with no need of manual operation of a fluid.
Description
Technical field
The utility model relates to a kind of combination brake switch and proporting, particularly a kind of for forcing the fluid control combination valve of gas-liquid separated jet pump.
Background technique
The gas-liquid separated jet pump of pressure (CN203175877U) of claimant's earlier application mainly by the pump housing, drain pipe, feed liquor bend pipe, lead the component such as wall, runner, projection, trunnion entrance, trunnion, diffusing tube, breach, spiral separation pipe, liquid inlet pipe, nozzle, boss, mounting platform, contiguous block, gland, liquid valve, connection valve, liquid feed valve and form (drawing, with reference to CN203175877U, does not provide at this).
On the pump housing, be provided with drain pipe and feed liquor bend pipe, in the pump housing, be provided with runner, the liquid outlet of described drain pipe is provided with liquid valve, in drain pipe, be provided with and lead wall near cut water place, this upper end of leading wall is connected with the inwall on drain pipe top, and its lower end extends to the jointing place of drain pipe and outlet of rotary wheel, described bottom of leading wall is curved, described bottom of leading wall is to the direction bending near runner, and is provided with projection near a side of runner leading wall bottom, gapped between this projection and runner external diameter; In the described small flow channels of leading between wall and runner external diameter, be provided with fluidic device, described fluidic device comprises trunnion and diffusing tube, described trunnion lower end is provided with trunnion entrance, upper end is communicated with diffusing tube, described trunnion entrance end opening is large, upper young, as trunnion entrance flare, it is provided with breach near the waist of runner external diameter; On described trunnion entrance the waist relative with breach with lead wall and be connected.Described diffusing tube stretches out outside drain pipe and is communicated with the import of the spiral separation pipe that is coiled in drain pipe outer wall top, the outlet of described spiral separation pipe communicates with drain pipe, the caliber of described diffusing tube increases to the one end being connected with spiral separation pipe gradually from the one end being connected with trunnion, and the section area of described spiral separation pipe reduces to outlet gradually from import; On described drain pipe, be also provided with liquid inlet pipe, this liquid inlet pipe one end is stretched in drain pipe, described bottom of leading wall is provided with mounting platform, described mounting platform is provided with contiguous block, described contiguous block and mounting platform be by screw in compression, and the side of described contiguous block and end face have the passage of a mutual vertical perforation, and described liquid inlet pipe inserting end stretches in the passage of contiguous block side, the bottom of described nozzle is arranged in the passage of contiguous block end face, and the top of described nozzle is stretched in trunnion entrance.Liquid inlet pipe on described drain pipe stretches into mouth and is provided with gland, described gland is T-shaped, its small diameter portion stretches into stretching in mouth of drain pipe, the middle part of described gland has center hole, described liquid inlet pipe stretches in drain pipe from the center hole of gland, and described gland major diameter part is bolted on the tube wall of drain pipe.Between described gland and liquid inlet pipe, be provided with the first fluid-tight and the second fluid-tight.Be positioned on liquid inlet pipe outside drain pipe one end outside drain pipe and be provided with liquid feed valve.
The inner tubal wall of described drain pipe bottom is provided with boss, described boss and lead between wall and have distance, and the center line of described boss overlaps with the center line of drain pipe.Described feed liquor bend pipe communicates with trunnion entrance by connecting tube.Described connecting tube is provided with connection valve.Liquid inlet pipe is communicated with external pressure fluid, nozzle ejection pressure fluid, from trunnion entrance, trunnion, diffusing tube arrives drain pipe through spiral separation pipe, in the time that fluid overflows from the liquid valve of drain pipe outlet, pump startup, runner rotation, the fluid of nozzle high velocity jet produces low pressure area around trunnion entrance, on the one hand due to centrifugal action, liquids in general mineralization pressure wall around runner external diameter is enclosed in runner inside by air and can't get out, trunnion entrance around produces behind low pressure area, pressure wall goes to pot, in runner surrounding liquid and runner, air enters trunnion entrance by the breach on trunnion entrance.On the other hand, the bottom projection of leading wall streams liquid to enter in runner, take the gas-liquid mixture in runner to trunnion entrance, moreover the air of feed liquor bend pipe and pump suction pipe can be inputted trunnion entrance endlessly by connecting tube.These gas-liquid mixtures that come from different channels are to entering trunnion trunnion entrance again and mixing, enter again diffusing tube and reduce flow velocity, improve pressure, enter subsequently spiral separation pipe and accelerate rotational speed, finally enter drain pipe inwall, form whirlpool along tube wall High Rotation Speed.At this moment, gas from liquid is separated the whirlpool center that enters, and a part of gas directly overflows from drain pipe, and another part gas is descending along scroll, after the obstruction that is subject to the boss in drain pipe, rises and overflows, and goes round and begins again and goes on, until self-priming finishes.After self-priming completes, by the connection valve on the liquid valve in drain pipe outlet port and connecting tube, the liquid feed valve Close All on liquid inlet pipe.
Force gas-liquid separated jet pump will use three valves: liquid feed valve, liquid valve, connection valve.Before pump startup, three valves all close valve.After pump startup, in self-priming process, three valves are all opened, and self-priming completes pump while normally working, three valve Close Alls.At present for manual operations completes.In other words, machine of every start-stop, will go to operate secondary valve by hand.If in building site, field, rural area, mine move and disperse Interim use to force gas-liquid separated jet pump, manual operating valve is fine.But in the fixing use of factory and environmental protection unit, with the irregular quick variation frequent start-stop machine of feed liquor liquid level, manual operating valve is infeasible.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of pressure for claimant's earlier application self-priming pump fluid control combination valve that gas-liquid separated jet pump uses; three valves on this self-priming pump are replaced; alternative with combination brake switch and proporting; not employment operation; automatically the work that while completing pump start-stop, self-priming, valve should complete, and after pump completes startup-shutdown combination brake switch and proporting automatically revert to start before state.
The technical solution of the utility model is as follows: a kind of self-priming pump fluid control combination valve, it is characterized in that: comprise guide valve blocks (1) and slide valve (2), described slide valve (2) is provided with left end cap (3) and right end cap (4), described guide valve blocks (1) is fixed on the left end cap (3) of slide valve (2), described guide valve blocks (1) middle part is provided with axial bore, the left side of described guide valve blocks (1) is provided with the fluid cylinder that internal diameter is greater than axial bore aperture, the left end of described guide valve blocks (1) is provided with end cap (14), the right side of described guide valve blocks (1) is provided with the flowing hole (1b) that aperture is greater than axial bore aperture, pilot valve piston (5) is housed in described fluid cylinder, guide's flap (7) is housed in described flowing hole (1b), the right-hand member of the axial bore of described guide valve blocks (1) is provided with valve seat, on described pilot valve piston (5), be fixedly connected with piston rod (6), described piston rod (6) is connected with guide's flap (7), described guide valve blocks (1) upside is provided with the first interface tube (a) communicating with fluid cylinder near the position of left end, this the first interface tube (a) is positioned at the left side of pilot valve piston (5), the right-hand member upside of described guide valve blocks (1) is also provided with the tenth interface tube (j) communicating with flowing hole (1b), the lower middle side part of described guide valve blocks (1) is provided with the second interface tube (b) communicating with axial bore, described left end cap (3) is provided with opening counterbore left, spring (8) is housed in this counterbore, and described spring (8) is connected with guide's flap (7),
Described slide valve (2) is provided with axial center hole, left side at described slide valve (2) is also provided with the fluid cylinder that internal diameter is greater than axial center hole aperture, guiding valve piston (9) is housed in this fluid cylinder, the right-hand member of described guiding valve piston (9) is fixedly connected with slide valve lever (10), described slide valve lever (10) is arranged in the axial center hole of slide valve (2), and described slide valve lever (10) can slide in the axial center hole of slide valve (2), the upside of described slide valve (2) is provided with the 3rd interface tube (c) and the 4th interface tube (d) that communicate with fluid cylinder, the downside of described slide valve (2) is also provided with the 7th interface tube (g) communicating with fluid cylinder right side, wherein said the 3rd interface tube (c) is positioned at the left side of guiding valve piston (9), described the 7th interface tube (g) is positioned at the right side of guiding valve piston (9), described guiding valve piston (9) blocks the 4th interface tube (d), the upside of described slide valve (2) is also provided with the 5th and the 6th interface tube (e communicating with its axial center hole, f), the downside of described slide valve (2) is provided with the 8th and the 9th interface tube (h communicating with its axial center hole, i), the the wherein said the 5th and the 8th interface tube (e, h) be symmetrical arranged, the the described the 6th and the 9th interface tube (f, i) be symmetrical arranged, described slide valve lever (10) is provided with and can be communicated with the described the 5th and the 8th interface tube (e, and the 6th and the 9th interface tube (f h), i) vertical passageway (10a, 10b), described connection the 5th and the 8th interface tube (e, and the 6th and the 9th interface tube (f h), i) vertical passageway (10a, 10b) respectively with the 5th and the 8th interface tube (e, and the 6th and the 9th interface tube (f h), i) dislocation.
Adopt technique scheme, the first interface tube is communicated with the below of forcing the boss in the drain pipe of gas-liquid separated jet pump is neighbouring, second and the 7th interface tube mutually connect.The tenth interface tube is communicated with (as running water pipe etc.) with extraneous pressure fluid, thereby described the 4th interface tube is connected and is communicated with nozzle with liquid inlet pipe, namely interface tube j, b, g, d is equivalent to be communicated with liquid inlet pipe with forcing gas-liquid separated Jet injector outside fluid in order, thereby connect with nozzle, the 3rd interface tube is connected with the drain pipe upper end of forcing gas-liquid separated jet pump, the feed liquor bend pipe of described the 5th interface tube and pump is connected, the 8th interface tube and trunnion entrance are connected, be equivalent to force the connecting tube in gas-liquid separated jet pump, the 6th interface tube communicates with drain pipe liquid valve, described the 9th interface tube and feed liquor pond are connected.After installing, in the gas-liquid separated jet pump of pressure, add liquid, the situation of self-priming pump fluid control combination valve of the present utility model in Fig. 1.Pump startup, runner makes liquid in pump produce lower pressure, enter by the first interface tube in the fluid cylinder left side of guide valve blocks, promoting pilot valve piston rod moves right, piston rod promotes guide's flap, by the tenth and second interface tube connect, the 7th interface tube is connected simultaneously, extraneous pressure fluid enters the fluid cylinder right side of slide valve like this, and under the effect of hydrodynamic pressure, guiding valve piston is moved to the left, the 4th interface tube is opened, thereby the 7th and the 4th interface tube is connected, and fluid enters nozzle, and self-priming starts.Meanwhile, when guiding valve piston is moved to the left, the slide valve lever being fixedly connected with guiding valve piston is connected the 5th and the 8th interface tube, and the air of pump feed liquor bend pipe enters trunnion entrance continuously by the passage of this connection.Meanwhile, the described the 6th and the 9th interface tube is also connected, and water unnecessary in drain pipe is flowed out in feed liquor pond by the 9th interface tube.The now state of combination brake switch and proporting of the present utility model in Fig. 2.
Self-priming completes, and when the normal work of pump, the hydrodynamic pressure of pump drain pipe rises rapidly, fluid enters the left side of fluid cylinder by the 3rd interface tube, thereby push guiding valve piston to right side, (when design, adjust guiding valve piston left and right compression area, can realize compulsory exercise.) state of combination brake switch and proporting in Fig. 3, guiding valve piston blocks the 4th interface tube, and meanwhile, the 5th and the 8th interface tube and the 6th and the 9th interface tube disconnect, each pathway closure that self-priming is used.Pump is in normal work period, and pilot valve piston rod is position in the time of self-priming always.
When pump is shut down, the pressure fluid of the first interface tube disappears, and the spring in guide valve blocks is pushed guide's flap to valve seat, and piston and piston rod are pushed left side to, and outside fluid disconnects, and combination brake switch and proporting of the present utility model is got back to the state (state of Fig. 1) before startup.
In technique scheme: be provided with cross through hole on described guiding valve piston (9), adjustable restrictive valve (12) is housed in this cross through hole.Adjustable restrictive valve is installed, the one, when guiding valve piston moves right, in cylinder, the right fluid flows into the left side, ensures that guiding valve piston moves, and increases the stability that piston moves simultaneously.
In technique scheme: the middle part of described left end cap (3) is provided with boss (3a), described boss (3a) is arranged in the fluid cylinder of slide valve (2), the left side of described boss (3a) is provided with counterbore, spring seat (13) is installed in described counterbore, and described spring (8) right-hand member is arranged on this spring seat (13).
In technique scheme: be provided with pore (4a) on described right end cap (4).Guiding valve piston can move smoothly like this.
In technique scheme: be provided with the vent hole communicating with slide valve (2) fluid cylinder on described slide valve (2), described vent hole is positioned at the right side of guiding valve piston (9), and outlet valve (11) is housed on this vent hole.The effect of vent hole is also to ensure that fluid cylinder is interior without gas, makes guiding valve piston have enough thrust.Vent hole will be closed after discharging gas.
In technique scheme: be provided with the first liquid sealing (16) between described guiding valve piston (9) and the fluid cylinder of slide valve (2), be also provided with the second liquid sealing (15) between described slide valve lever (10) and the axial center hole of slide valve (2).
In technique scheme: the fluid cylinder right side of described guide valve blocks (1) is provided with the air outlet hole (1a) communicating with the fluid cylinder on guide valve blocks (1).
In technique scheme: be provided with sealed groove on described pilot valve piston (5) and piston rod (6).
Beneficial effect: the utility model is reasonable in design, simple in structure, enforcement is easy, easy to use, can reach and not need manual operation fluid automatically to complete the relevant work that while forcing gas-liquid separated Jet injector start, self-priming, work, shutdown, valve completes.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 structural representation during in self-priming state that is the utility model at self-priming pump;
Fig. 3 is the structural representation of the utility model under the complete normal working of self-priming pump self-priming;
Fig. 4 is the schematic diagram that in Fig. 1, interface tube connects.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Embodiment 1: as Figure 1-4, self-priming pump fluid control combination valve of the present utility model is mainly made up of parts such as guide valve blocks 1, slide valve 2, left end cap 3, right end cap 4, pilot valve piston 5, piston rod 6, guide's flap 7, spring 8, guiding valve piston 9, slide valve lever 10, outlet valve 11, adjustable restrictive valve 12, spring seat 13, end cap 14, the second liquid sealing 15, the first liquid sealings 16.
The left end of described slide valve 2 and right-hand member are respectively equipped with left end cap 3 and right end cap 4, and described right end cap 4 is provided with pore 4a.
Described guide valve blocks 1 is fixed on the left end cap 3 of slide valve 2, described guide valve blocks 1 stage casing is provided with axial bore, the left side of described guide valve blocks 1 is provided with fluid cylinder, fluid cylinder aperture is greater than axial bore, the left end of described guide valve blocks 1 is provided with end cap 14, the right-hand member of described guide valve blocks 1 is provided with flowing hole 1b, and flowing hole 1b aperture is greater than axial bore, and the center line of fluid cylinder, axial bore and flowing hole 1b is on same straight line.Pilot valve piston 5 is housed in described fluid cylinder, in described flowing hole 1b, guide's flap 7 is housed, the right-hand member of the axial bore of described guide valve blocks 1 is provided with valve seat, on described pilot valve piston 5, be fixed with piston rod 6, described piston rod 6 is connected with guide's flap 7, described guide valve blocks 1 upside is provided with the first interface tube a communicating with fluid cylinder near the position of left end, this first interface tube a is positioned at the left side of pilot valve piston 5; The right-hand member upside of described guide valve blocks 1 is also provided with the tenth interface tube j communicating with flowing hole 1b, and the lower middle side part of described guide valve blocks 1 is provided with the second interface tube b communicating with axial bore.
The middle part of described left end cap 3 is provided with boss 3a, and described boss 3a is arranged in the fluid cylinder of slide valve 2, and the left side of described boss 3a is provided with counterbore, and spring seat 13 is installed in described counterbore, and described spring 8 right-hand members are arranged on this spring seat 13.Described spring 8 is connected with guide's flap 7.Described guide valve blocks 1 fluid cylinder right side is provided with the air outlet hole 1a communicating with fluid cylinder.
Described slide valve 2 is provided with axial center hole, be provided with in the left side of described slide valve 2 fluid cylinder that aperture is greater than axial center hole, guiding valve piston 9 is housed in this fluid cylinder, the right-hand member of described guiding valve piston 9 is fixedly connected with slide valve lever 10, described slide valve lever 10 is arranged in the axial center hole of slide valve 2, and described slide valve lever 10 can slide in the axial center hole of slide valve 2; The upside of described slide valve 2 is provided with the 3rd interface tube c and the 4th interface tube d that communicate with fluid cylinder, the downside of described slide valve 2 is also provided with the 7th interface tube g communicating with fluid cylinder, described the 3rd interface tube c is positioned at the left side of guiding valve piston 9, the the 4th and the 7th interface tube d, g lay respectively at the position near the right-hand member of fluid cylinder, described the 7th interface tube g is positioned at the right side of guiding valve piston 9, and described guiding valve piston 9 all blocks the 4th interface tube d.
The upside of described slide valve 2 is also provided with the 5th and the 6th interface tube e communicating with its axial center hole, f, the downside of described slide valve 2 is provided with the 8th and the 9th interface tube h communicating with its axial center hole, i, the the wherein said the 5th and the 8th interface tube e, h is symmetrical arranged, the the described the 6th and the 9th interface tube f, i is symmetrical arranged, described slide valve lever 10 is provided with and can be communicated with the described the 5th and the 8th interface tube e, h and the 6th and the 9th interface tube f, the vertical passageway 10a of i, 10b, described connection the 5th and the 8th interface tube e, h and the 6th and the 9th interface tube f, the vertical passageway 10a of i, 10b respectively with the 5th and the 8th interface tube e, h and the 6th and the 9th interface tube f, i dislocation.Described guiding valve piston 9 formers are provided with cross through hole, and adjustable restrictive valve 12 is housed in this cross through hole.By regulating the screw thread of adjustable restrictive valve 12, the gap between adjustable restrictive valve and lateral adjustments hole is changed, ensure the stable mobile effect of guiding valve piston 9 thereby play adjust flux.Described slide valve 2 is provided with the vent hole communicating with the fluid cylinder of slide valve 2, and this vent hole is positioned at the right side of guiding valve piston 9.Outlet valve 11 is housed on this vent hole.
Between described guiding valve piston 9 and slide valve 2 fluid cylinders, be provided with the first liquid sealing 16, between described slide valve lever 10 and slide valve 2 axial center holes, be also provided with the second liquid sealing 15.
The first interface tube a with force the below of the boss in the drain pipe of gas-liquid separated jet pump near be communicated with, second and the 7th interface tube b, g connects mutually, the tenth interface tube j is communicated with (as running water pipe etc.) with extraneous pressure fluid, described the 4th interface tube d and liquid inlet pipe are connected, namely the tenth, second, the the 7th and the 4th interface tube j, b, g, d quite connects with forcing gas-liquid separated Jet injector outside fluid and liquid inlet pipe in order, and then connect with nozzle, the 3rd interface tube c connects with the drain pipe upper end of forcing gas-liquid separated jet pump, described the 5th interface tube e and feed liquor bend pipe are connected, the 8th interface tube h and trunnion entrance are connected, the 5th interface tube e and the 8th interface tube h are equivalent to force the connecting tube in gas-liquid separated jet pump to connect after connecting, the 6th interface tube f communicates with drain pipe liquid valve, described the 9th interface tube i and pump feed liquor pond are connected.After installing, in the gas-liquid separated jet pump of pressure, add liquid, the situation of combination brake switch and proporting of the present utility model in Fig. 1, pump startup, runner makes liquid in pump produce lower pressure, enter by the first interface tube a in the fluid cylinder left side of guide valve blocks 1, promoting pilot valve piston 5 moves right, the piston rod 6 being fixedly connected with pilot valve piston 5 promotes guide's flap 7, by the tenth and the second interface tube j, b connects, the 7th interface tube g is connected simultaneously, extraneous pressure fluid flows to the fluid cylinder right side of slide valve 2 like this, under the effect of hydrodynamic pressure, guiding valve piston 9 is moved to the left, the 4th interface tube d is opened, thereby by the 7th and the 4th interface tube g, d connects, fluid enters nozzle by liquid inlet pipe, self-priming starts.Meanwhile, when guiding valve piston 9 is moved to the left, the slide valve lever 10 being fixedly connected with guiding valve piston is connected the 5th and the 8th interface tube e, h, and the air of pump feed liquor bend pipe enters trunnion entrance continuously by the passage of this connection.Meanwhile, the described the 6th and the 9th interface tube f, i also connect, and water unnecessary in drain pipe is flowed out in feed liquor pond by the 9th interface tube i.The now state of combination brake switch and proporting of the present utility model in Fig. 2.
Self-priming completes, when the normal work of pump, the hydrodynamic pressure of pump drain pipe rises rapidly, and fluid enters the left side of fluid cylinder by the 3rd interface tube c, (when design, adjusts guiding valve piston 9 left and right compression areas thereby push guiding valve piston 9 to right side, can realize compulsory exercise), the state of combination brake switch and proporting in Fig. 3, piston is blocked the 4th interface tube d, simultaneously, the the 5th and the 8th interface tube e, h and the 6th and the 9th interface tube f, i disconnect, each pathway closure that self-priming need be used.Pump is in normal work period, and pilot valve piston rod 6 is position in the time of self-priming always.
When pump is shut down, the pressure fluid of the first interface tube a disappears, and the spring 8 in guide valve blocks 1 is pushed guide's flap 7 to valve seat, and pilot valve piston 5 is pushed left side to, and outside fluid disconnects, and combination brake switch and proporting of the present utility model is got back to the state (state of Fig. 1) before startup.Start second and take turns startup preparation.
Claims (8)
1. a self-priming pump fluid control combination valve, it is characterized in that: comprise guide valve blocks (1) and slide valve (2), described slide valve (2) is provided with left end cap (3) and right end cap (4), described guide valve blocks (1) is fixed on the left end cap (3) of slide valve (2), described guide valve blocks (1) middle part is provided with axial bore, the left side of described guide valve blocks (1) is provided with the fluid cylinder that internal diameter is greater than axial bore aperture, the left end of described guide valve blocks (1) is provided with end cap (14), the right side of described guide valve blocks (1) is provided with the flowing hole (1b) that aperture is greater than axial bore aperture, pilot valve piston (5) is housed in described fluid cylinder, guide's flap (7) is housed in described flowing hole (1b), the right-hand member of the axial bore of described guide valve blocks (1) is provided with valve seat, on described pilot valve piston (5), be fixedly connected with piston rod (6), described piston rod (6) is connected with guide's flap (7), described guide valve blocks (1) upside is provided with the first interface tube (a) communicating with fluid cylinder near the position of left end, this the first interface tube (a) is positioned at the left side of pilot valve piston (5), the right-hand member upside of described guide valve blocks (1) is also provided with the tenth interface tube (j) communicating with flowing hole (1b), the lower middle side part of described guide valve blocks (1) is provided with the second interface tube (b) communicating with axial bore, described left end cap (3) is provided with opening counterbore left, spring (8) is housed in this counterbore, and described spring (8) is connected with guide's flap (7),
Described slide valve (2) is provided with axial center hole, left side at described slide valve (2) is also provided with the fluid cylinder that internal diameter is greater than axial center hole aperture, guiding valve piston (9) is housed in this fluid cylinder, the right-hand member of described guiding valve piston (9) is fixedly connected with slide valve lever (10), described slide valve lever (10) is arranged in the axial center hole of slide valve (2), and described slide valve lever (10) can slide in the axial center hole of slide valve (2), the upside of described slide valve (2) is provided with the 3rd interface tube (c) and the 4th interface tube (d) that communicate with fluid cylinder, the downside of described slide valve (2) is also provided with the 7th interface tube (g) communicating with fluid cylinder right side, wherein said the 3rd interface tube (c) is positioned at the left side of guiding valve piston (9), described the 7th interface tube (g) is positioned at the right side of guiding valve piston (9), described guiding valve piston (9) blocks the 4th interface tube (d), the upside of described slide valve (2) is also provided with the 5th and the 6th interface tube (e communicating with its axial center hole, f), the downside of described slide valve (2) is provided with the 8th and the 9th interface tube (h communicating with its axial center hole, i), the the wherein said the 5th and the 8th interface tube (e, h) be symmetrical arranged, the the described the 6th and the 9th interface tube (f, i) be symmetrical arranged, described slide valve lever (10) is provided with and can be communicated with the described the 5th and the 8th interface tube (e, and the 6th and the 9th interface tube (f h), i) vertical passageway (10a, 10b), described connection the 5th and the 8th interface tube (e, and the 6th and the 9th interface tube (f h), i) vertical passageway (10a, 10b) respectively with the 5th and the 8th interface tube (e, and the 6th and the 9th interface tube (f h), i) dislocation.
2. self-priming pump fluid control combination valve according to claim 1, is characterized in that: described guiding valve piston (9) is provided with cross through hole, and adjustable restrictive valve (12) is housed in this cross through hole.
3. self-priming pump fluid control combination valve according to claim 1, it is characterized in that: the middle part of described left end cap (3) is provided with boss (3a), described boss (3a) is arranged in the fluid cylinder of slide valve (2), the left side of described boss (3a) is provided with counterbore, spring seat (13) is installed in described counterbore, and described spring (8) right-hand member is arranged on this spring seat (13).
4. self-priming pump fluid control combination valve according to claim 1, is characterized in that: described right end cap (4) is provided with pore (4a).
5. self-priming pump fluid control combination valve according to claim 1, it is characterized in that: described slide valve (2) is provided with the vent hole communicating with slide valve (2) fluid cylinder, described vent hole is positioned at the right side of guiding valve piston (9), and outlet valve (11) is housed on this vent hole.
6. self-priming pump fluid control combination valve according to claim 1, it is characterized in that: between described guiding valve piston (9) and the fluid cylinder of slide valve (2), be provided with the first liquid sealing (16), between described slide valve lever (10) and the axial center hole of slide valve (2), be also provided with the second liquid sealing (15).
7. self-priming pump fluid control combination valve according to claim 1, is characterized in that: the fluid cylinder right side of described guide valve blocks (1) is provided with the air outlet hole (1a) communicating with the fluid cylinder on guide valve blocks (1).
8. self-priming pump fluid control combination valve according to claim 1, is characterized in that: described pilot valve piston (5) and piston rod (6) are provided with sealed groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003999.0U CN203670259U (en) | 2014-01-03 | 2014-01-03 | Fluid control combination valve of self sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003999.0U CN203670259U (en) | 2014-01-03 | 2014-01-03 | Fluid control combination valve of self sucking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670259U true CN203670259U (en) | 2014-06-25 |
Family
ID=50966562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420003999.0U Expired - Fee Related CN203670259U (en) | 2014-01-03 | 2014-01-03 | Fluid control combination valve of self sucking pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670259U (en) |
-
2014
- 2014-01-03 CN CN201420003999.0U patent/CN203670259U/en not_active Expired - Fee Related
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Granted publication date: 20140625 Termination date: 20220103 |