CN205370953U - Distribution valve and adopt delivery pump of this kind of distribution valve - Google Patents

Distribution valve and adopt delivery pump of this kind of distribution valve Download PDF

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Publication number
CN205370953U
CN205370953U CN201520996459.1U CN201520996459U CN205370953U CN 205370953 U CN205370953 U CN 205370953U CN 201520996459 U CN201520996459 U CN 201520996459U CN 205370953 U CN205370953 U CN 205370953U
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CN
China
Prior art keywords
valve
sliding seal
pumped liquid
elastic sealing
cylinder pressure
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Withdrawn - After Issue
Application number
CN201520996459.1U
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Chinese (zh)
Inventor
巩高铄
巩长勇
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巩长勇
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Priority to CN201520996459.1U priority Critical patent/CN205370953U/en
Application granted granted Critical
Publication of CN205370953U publication Critical patent/CN205370953U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a distribution valve, including distribution clack box, slide mass, elastic sealing element, sliding seal spare, friction plate, guide arm, drive arrangement. Drive arrangement, guide arm and friction plate are installed in distribution on the clack box, and drive arrangement is associative with the guide arm, and the guide arm is associative with the slide mass again, and sliding seal spare and elastic sealing element install on the slide mass, and elastic sealing element lies in between sliding seal spare and the slide mass, and drive arrangement drives the guide arm, and guide arm and slide mass, elastic sealing element, sliding seal spare move on the friction plate together to realize the switch and the switching -over of valve, the utility model has the advantages of sealed reliable, delivery pressure inhales greatly that the material resistance is little, volume efficiency is high, the utility model also discloses an adopt the delivery pump of this distribution valve.

Description

A kind of distributing valve and adopt the delivery pump of this distributing valve
Technical field
This utility model relates generally to pumping equipment field, especially relates to be applied to a kind of distributing valve of the material pipe conveyings such as slurry, mastic and Paste-like body and adopt the delivery pump of this distributing valve.
Background technology
The reciprocating delivery pumps such as ball valve delivery pump, seat valve delivery pump, gate valve delivery pump, S pipe valve delivery pump, C-shaped pipes valve delivery pump, skirt valve delivery pump are mainly used in the materials such as pumping slurry, mastic and Paste-like body, for instance drilling fluid, fracturing fluid, mud, concrete, coal slime, municipal sludge, printing and dyeing sludge, chemical engineering sludge, supping raw material etc..Existing reciprocating delivery pump mainly has the disadvantage that and not enough above:
1. for S pipe valve delivery pump, C-shaped pipes valve delivery pump, skirt valve delivery pump, sending at two cylinder pumps and can produce row feed back in commutation process, thus reducing transfer efficiency, fed distance is more long, delivery head is more high, discharge pressure is more big, feed back is more serious, and transfer efficiency is more low.
2. for gate valve delivery pump, due to Gate-valve sealing poor performance, and not having wear compensation mechanism, pumping pressure is low, and fed distance is short, and delivery head is low.
3. for the delivery pump of above-mentioned various types, due to all only one of which material sucking ports, when the material that flow behavior is poor, Flow of Goods and Materials resistance is big, sucks difficulty, thus causing that volumetric efficiency is relatively low.
In order to solve in the problems referred to above, it is necessary to develop a kind of new distributing valve and adopt the delivery pump of this distributing valve.
Utility model content
Considering that at least one the problems referred to above completes this utility model, the first purpose of the present utility model is in that to provide a kind of distributing valve,
Specifically, a kind of distributing valve, including: directional valve box, slide mass, elastic sealing element, sliding seal and driving device, driving device is directly or indirectly connected with slide mass, and slide mass can be driven to move.
The another aspect of the distributing valve according to this utility model the first order, elastic sealing element and sliding seal are all arranged on slide mass, and elastic sealing element is between slide mass and sliding seal.
The another aspect of the distributing valve according to this utility model the first order, elastic sealing element and sliding seal are all arranged on directional valve box, and elastic sealing element is between directional valve box and sliding seal.
The another aspect of the distributing valve according to this utility model the first order, farther include friction plate, friction plate is between directional valve box and sliding seal and is arranged on directional valve box, elastic sealing element and sliding seal are all arranged on slide mass, and elastic sealing element is between slide mass and sliding seal.
The another aspect of the distributing valve according to this utility model the first order, farther include friction plate, friction plate is between slide mass and sliding seal and is arranged on slide mass, sliding seal and elastic sealing element are all arranged on directional valve box, and elastic sealing element is between directional valve box and sliding seal.
The another aspect of the distributing valve according to this utility model the first order, farther includes guide rod, and guide rod is arranged on directional valve box and can move back and forth along the axis of himself, and driving device and guide rod are connected, and guide rod is connected with slide mass again.
The another aspect of the distributing valve according to this utility model the first order, directional valve box has four or more charging aperture.
The another aspect of the distributing valve according to this utility model the first order, farther include in seat valve, check-valves or slide valve any one.
Second purpose of the present utility model is in that to provide a kind of delivery pump,
Specifically, a kind of delivery pump, including: pumped liquid cylinder pressure A, pumped liquid cylinder pressure B, distributing valve, described distributing valve are that the distributing valve of this utility model the first order, pumped liquid cylinder pressure A and pumped liquid cylinder pressure B are directly or indirectly connected with distributing valve.
The another aspect of the delivery pump according to this utility model the second order, farther includes pressure travel switch, and pressure travel switch is arranged on the cylinder body of pumped liquid cylinder pressure A and pumped liquid cylinder pressure B.
The another aspect of the delivery pump according to this utility model the second order, the piston rod of pumped liquid cylinder pressure A and the piston rod of pumped liquid cylinder pressure B are fixed, and the cylinder body of pumped liquid cylinder pressure A and the cylinder body of pumped liquid cylinder pressure B are again the plungers of pumping material simultaneously.
The another aspect of the delivery pump according to this utility model the second order, the cylinder body of pumped liquid cylinder pressure A and the cylinder body of pumped liquid cylinder pressure B are fixed, and the piston rod of pumped liquid cylinder pressure A and the piston rod of pumped liquid cylinder pressure B are again the plungers of pumping material simultaneously.
Preferably, described material distributing valve case is overall structure.
Preferably, described material distributing valve case farther includes two or more parts and components, and each parts and components is linked together.
Preferably, described elastic sealing element is the sealing member containing rubber.
Preferably, described pumped liquid cylinder pressure A and the cylinder body of pumped liquid cylinder pressure B are fitted with check valve.
Described being connected includes directly being connected and is indirectly connected, and described being indirectly connected refers to that the part being indirectly connected or parts are connected by simultaneously direct and other parts or parts and are linked together.
This utility model may be used for slurry, mastic and the Paste-like body materials such as pumping drilling fluid, fracturing fluid, mud, concrete, coal slime, municipal sludge, printing and dyeing sludge, chemical engineering sludge, supping raw material, it is also possible to is used for pumping liquid.
Compared with prior art, the beneficial effects of the utility model are in that:
1. due in pumping commutation process, it is possible to first closing the inlet valve in distributing valve 7 or outlet valve commutates again, it is possible to preventing feed back thus improving pumping efficiency.
2. under the effect of elastic sealing element, the sealing between sliding sealing surface closely and can also carry out wear-compensating, seals reliable, it is possible to the material of output higher pressure, thus meeting high-lift and long-distance transportation through pipeline requirement.
3. owing to having multiple charging aperture, when the material that flow behavior is poor, it is also possible to be easier to suck, thus improve the volumetric efficiency of pumping.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the distributing valve according to a kind of preferred embodiment of the present utility model.
Fig. 2 is that the A of the distributing valve according to Fig. 1 is to partial view.
Fig. 3 is the schematic diagram of the distributing valve according to another kind of preferred embodiment of the present utility model.
Fig. 4 is the schematic diagram of the distributing valve according to another kind of preferred embodiment of the present utility model.
Fig. 5 is the schematic diagram of the distributing valve according to another kind of preferred embodiment of the present utility model.
Fig. 6 is the schematic diagram of the delivery pump according to a kind of preferred embodiment of the present utility model.
Fig. 7 is the schematic diagram of the delivery pump according to another kind of preferred embodiment of the present utility model.
Fig. 8 is the schematic diagram of the delivery pump according to another kind of preferred embodiment of the present utility model.
Fig. 9 is the schematic diagram of the delivery pump according to another kind of preferred embodiment of the present utility model.
In figure: 1 pumped liquid cylinder pressure A, 2 pumping piston A, 3 pumping cylinder A, 4 pumped liquid cylinder pressure B, 5 pumping piston B, 6 pumping cylinder B, 7 distributing valves, 8 pressure travel switches, 71 directional valve boxs, 72 slide masses, 73 elastic sealing elements, 74 sliding seals, 75 friction plates, 76 guide rods, 77 driving devices, 78 seat valve valve heads, 79 valve balls, 711 distribution valve bodies one, 712 distribute valve body two, 713 and distribute valve body three.
Detailed description of the invention
Below in conjunction with accompanying drawing; by preferred embodiment, preferred forms of the present utility model is described; here detailed description of the invention is in that to explain this utility model; and should not be construed as restriction of the present utility model; when without departing from spirit of the present utility model and essential scope; can making various deformation, amendment and combination etc., these all should be included within protection domain of the present utility model.
Parts and components mentioned in following example and the quantity of equipment all can be changed according to the quantity required for each embodiment, and the quantity such as parts and components such as driving device, slide mass, sliding seal and elastic sealing elements all can be changed as required.
Embodiment one
Referring to Fig. 1 and Fig. 2, illustrated therein is the schematic diagram of the distributing valve of this utility model preferred embodiment.This distributing valve includes: directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, friction plate 75, guide rod 76, driving device 77, distribution valve body 1, distribution valve body 2 712, distribution valve body 3 713.
Directional valve box 71 is the Split type structure being made up of multiple parts, and including distribution valve body 1, distribution valve body 2 712, distribution valve body 3 713, distribution valve body 1, distribution valve body 2 712 and distribution valve body 3 713 are fixedly connected.
Distributing valve includes two inlet valves and an outlet valve, and described inlet valve and outlet valve are all sliding valve structures, and each inlet valve includes two valve plate unit and two charging apertures, and described outlet valve includes a valve plate unit and two discharging openings.Described each valve plate unit includes 72, elastic sealing element 73 of a slide mass and a sliding seal 74, sliding seal 74 is additionally provided with through hole, elastic sealing element 73 and sliding seal 74 are arranged on slide mass 72, and elastic sealing element 73 is between sliding seal 74 and slide mass 72.
Driving device 77, guide rod 76 and friction plate 75 are arranged on directional valve box 71, friction plate 75 is between directional valve box 71 and sliding seal 74, guide rod 76 can move along the axis of himself, driving device 77 and guide rod 76 are connected, guide rod 76 is connected with slide mass 72 again, sliding seal 74 can be pressed on friction plate 75 under the effect of elastic sealing element 73, driving device 77 can drive leader 76 and by guide rod 76 drive valve plate unit so as in the plane of friction plate 75 move.In inlet valve, can open simultaneously or simultaneously close off two charging apertures by the movement of valve plate unit, in outlet valve, be moved between two discharging openings by valve plate unit, it is possible to achieve the conversion of two discharging opening break-makes.
Preferably, each inlet valve has a charging aperture and a valve plate unit.
Preferably, each inlet valve has the valve plate unit of plural charging aperture and equal number.
Embodiment two
Referring to Fig. 3, illustrated therein is the schematic diagram of the distributing valve of another preferred embodiment of this utility model.This distributing valve includes: directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, friction plate 75, guide rod 76, driving device 77.
Driving device 77, guide rod 76 and friction plate 75 are arranged on directional valve box 71, the clutch end of driving device 77 and guide rod 76 are connected, guide rod 76 is connected with slide mass 72 again, sliding seal 74 and elastic sealing element 73 are arranged on slide mass 72, and elastic sealing element 73 is between slide mass 72 and sliding seal 74, friction plate 75 is between directional valve box 71 and sliding seal 74, and the elastic force effect lower slider sealing member 74 at elastic sealing element 73 is pressed on friction plate 75.
Distributing valve includes the inlet valve of two stop valves and the outlet valve of a commutation valve-type, and described inlet valve and outlet valve are all sliding valve structures.In each inlet valve, there are two charging apertures and two valve plate unit.In outlet valve, there are two discharging openings and a valve plate unit.Each valve plate unit includes 75, sliding seal 76 of a slide mass and an elastic sealing element 77, sliding seal 76 and elastic sealing element 77 are arranged on slide mass 75, and elastic sealing element 77 is between slide mass 75 and sliding seal 76.Sliding seal 76 in inlet valve there is through hole, the slide mass 75 in outlet valve has through hole.
In inlet valve, under the effect of valve drive 73, two valve plate unit move back and forth on friction plate 79, thus open or simultaneously close off two charging apertures simultaneously;In outlet valve, under the effect of valve drive 73, valve plate unit can move to another discharging opening along friction plate 79 from a discharging opening, thus realizing the conversion of two discharging opening break-makes.
Embodiment three
Referring to Fig. 4, illustrated therein is the schematic diagram of the distributing valve of another preferred embodiment of this utility model.This distributing valve includes: directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, driving device 77, seat valve valve head 78.
Described distributing valve is guiding valve and seat valve mixed structure, includes two inlet valves and two outlet valves at distributing valve.Inlet valve is sliding valve structure, wherein, driving device 77 and slide mass 72 are connected, sliding seal 74 and elastic sealing element 73 are arranged on directional valve box 71, elastic sealing element 73 between sliding seal 74 and directional valve box 71, slide mass 72 and all have through hole on sliding seal 74, sliding seal 74 can be pressed on slide mass 72 under the effect of elastic sealing element 73, in inlet valve, the effect downslide kinetoplast 72 at driving device 77 can move back and forth, thus opening or closing charging aperture.Outlet valve is seat valve structure, and wherein, driving device 77 and seat valve valve head 72 are connected, and can drive seat valve valve head 72 so as to move back and forth, thus opening or closing discharging opening.
Preferably, seat valve valve head 72 is taper seat or arc surface with the contact surface of discharging opening.
Preferably, the driving device in inlet valve is identical with the driving device in outlet valve.
Embodiment four
Referring to Fig. 5, illustrated therein is the schematic diagram of the distributing valve of another preferred embodiment of this utility model.This distributing valve includes: directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, driving device 77, valve ball 79.
Distributing valve includes an inlet valve and an outlet valve, and wherein inlet valve is sliding valve structure, and outlet valve is check valve structure.In charging guiding valve, driving device 77 and slide mass 72 are connected, sliding seal 74 and elastic sealing element 73 are arranged on slide mass 72, elastic sealing element 73 is between sliding seal 74 and slide mass 72, sliding seal 74 is additionally provided with through hole, sliding seal 74 can be pressed on directional valve box 71 under the effect of elastic sealing element 73, and the effect downslide kinetoplast 72 at driving device 77 can move back and forth, thus opening or closing charging aperture.Described check-valves is non-return valve, including valve ball 74.
Embodiment five
Referring to Fig. 6, illustrated therein is the schematic diagram of the delivery pump of this utility model preferred embodiment.This delivery pump includes: pumped liquid cylinder pressure A1, pumping piston A2, pumping cylinder A3, pumped liquid cylinder pressure B4, pumping piston B5, pumping cylinder B6, distributing valve 7, pressure travel switch 8, wherein the part in sequence number 7 indication double dot dash line is distributing valve, described pressure travel switch be able in pressure liquid use stroke sensing device, such as high pressure proximity switch etc..
The piston rod of pumped liquid cylinder pressure A1 and pumping piston A2 are connected, and pumping piston A2 is arranged in pumping cylinder A3, and can move back and forth in pumping cylinder A3;The piston rod of pumped liquid cylinder pressure B4 and pumping piston B5 are connected, and pumping piston B5 is arranged in pumping cylinder B6, and can move back and forth in pumping cylinder B6;Pumping cylinder A3 and pumping cylinder B6 is connected with distributing valve 7, the rod chamber of pumped liquid cylinder pressure A1 and pumped liquid cylinder pressure B4 and be equipped with pressure travel switch 8 on the cylinder body of rodless cavity.
Embodiment six
Referring to Fig. 7, illustrated therein is the schematic diagram of the delivery pump of another preferred embodiment of this utility model.This includes toward delivery pump: pumped liquid cylinder pressure A1, pumped liquid cylinder pressure B4, distributing valve 7, and wherein the part in sequence number 7 indication double dot dash line is distributing valve.
The piston rod of the piston rod of pumped liquid cylinder pressure A1 and pumped liquid cylinder pressure B4 is provided with two oil circuits, and two oil circuits communicate with rodless cavity and rod chamber respectively, the piston rod of the piston rod of pumped liquid cylinder pressure A1 and pumped liquid cylinder pressure B4 is fixed, the cylinder body of the cylinder body of pumped liquid cylinder pressure A1 and pumped liquid cylinder pressure B4 is arranged in directional valve box 71, and can move back and forth at directional valve box 71, thus the plunger as pumping material sucks or pumps material.
Embodiment seven
Referring to Fig. 8, illustrated therein is the schematic diagram of the delivery pump of another preferred embodiment of this utility model.This reciprocatory slide valve delivery pump includes: pumped liquid cylinder pressure A1, pumping cylinder A3, pumped liquid cylinder pressure B4, pumping cylinder B6, distributing valve 7, pressure travel switch 8.
The piston rod of pumped liquid cylinder pressure A1 is arranged in pumping cylinder A3 as the plunger of pumping material again, and can move back and forth in pumping cylinder A3;The piston rod of pumped liquid cylinder pressure B4 is arranged in pumping cylinder B6 as the plunger of pumping material again, and can move back and forth in pumping cylinder A3, pumping cylinder A3 and pumping cylinder B6 is connected with distributing valve 7, the rod chamber of pumped liquid cylinder pressure A1 and pumped liquid cylinder pressure B4 and be equipped with pressure travel switch 8 on the cylinder body of rodless cavity.
Embodiment eight
Referring to Fig. 9, illustrated therein is the schematic diagram of the delivery pump of another preferred embodiment of this utility model.This delivery pump includes: pumped liquid cylinder pressure A1, pumping piston A2, pumping cylinder A3, distributing valve 7, pressure travel switch 8, wherein the part in sequence number 7 indication double dot dash line is distributing valve.
The piston rod of pumped liquid cylinder pressure A1 and pumping piston A2 are connected, and pumping piston A2 is arranged in pumping cylinder A3, and can move back and forth in pumping cylinder A3.Pumping cylinder A3 and distributing valve 7 are connected, the rod chamber of pumped liquid cylinder pressure A1 and be equipped with pressure travel switch 8 on the cylinder body of rodless cavity.
This utility model is not limited to above-mentioned specific embodiment.It is understood that when without departing from spirit of the present utility model and essential scope, it is possible to making various changes and modifications, these all should be included within protection domain of the present utility model.

Claims (16)

1. a distributing valve, including: directional valve box (71), slide mass (72), elastic sealing element (73), sliding seal (74) and driving device (77), driving device (77) is directly or indirectly connected with slide mass (72), and slide mass (72) can be driven to move.
2. distributing valve according to claim 1, it is characterized in that described elastic sealing element (73) and sliding seal (74) are all arranged on slide mass (72), and elastic sealing element (73) is positioned between slide mass (72) and sliding seal (74).
3. distributing valve according to claim 1, it is characterized in that, described elastic sealing element (73) and sliding seal (74) are all arranged on directional valve box (71), and elastic sealing element (73) is positioned between directional valve box (71) and sliding seal (74).
4. distributing valve according to claim 1, it is characterized in that, farther include friction plate (75), friction plate (75) is positioned between directional valve box (71) and sliding seal (74) and is arranged on directional valve box (71), elastic sealing element (73) and sliding seal (74) are all arranged on slide mass (72), and elastic sealing element (73) is positioned between slide mass (72) and sliding seal (74).
5. distributing valve according to claim 1, it is characterized in that, farther include friction plate (75), friction plate (75) is positioned between slide mass (72) and sliding seal (74) and is arranged on slide mass (72), sliding seal (74) and elastic sealing element (73) are all arranged on directional valve box (71), and elastic sealing element (73) is positioned between directional valve box (71) and sliding seal (74).
6. the distributing valve described in claim any one of claim 1 to 5, it is characterized in that, farther include guide rod (76), guide rod (76) is arranged on directional valve box (71) and above and can move back and forth along the axis of himself, driving device (77) and guide rod (76) are connected, and guide rod (76) is connected with slide mass (72) again.
7. the distributing valve described in claim any one of claim 1 to 5, it is characterised in that described directional valve box (71) has four or more charging aperture.
8. distributing valve according to claim 6, it is characterised in that described directional valve box (71) has four or more charging aperture
9. the distributing valve described in claim any one of claim 1 to 5, it is characterised in that farther include in seat valve, check-valves or slide valve any one.
10. distributing valve according to claim 6, it is characterised in that farther include in seat valve, check-valves or slide valve any one.
11. distributing valve according to claim 7, it is characterised in that farther include in seat valve, check-valves or slide valve any one.
12. distributing valve according to claim 8, it is characterised in that farther include in seat valve, check-valves or slide valve any one.
13. a delivery pump, including: pumped liquid cylinder pressure A (1), pumped liquid cylinder pressure B (4), distributing valve (7), described distributing valve (7) they are the distributing valve as described in claim any one of claim 1 to 12, and pumped liquid cylinder pressure A (1) and pumped liquid cylinder pressure B (4) are directly or indirectly connected with distributing valve (7).
14. delivery pump according to claim 13, it is characterized in that, farther including pressure travel switch (8), pressure travel switch (8) is arranged on the cylinder body of pumped liquid cylinder pressure A (1) and pumped liquid cylinder pressure B (4).
15. delivery pump according to claim 13, it is characterized in that, the piston rod of described pumped liquid cylinder pressure A (1) and the piston rod of pumped liquid cylinder pressure B (4) are fixed, and the cylinder body of pumped liquid cylinder pressure A (1) and the cylinder body of pumped liquid cylinder pressure B (4) are again the plungers of pumping material simultaneously.
16. delivery pump according to claim 13, it is characterized in that, the cylinder body of described pumped liquid cylinder pressure A (1) and the cylinder body of pumped liquid cylinder pressure B (4) are fixed, and the piston rod of pumped liquid cylinder pressure A (1) and the piston rod of pumped liquid cylinder pressure B (4) are again the plungers of pumping material simultaneously.
CN201520996459.1U 2015-12-07 2015-12-07 Distribution valve and adopt delivery pump of this kind of distribution valve Withdrawn - After Issue CN205370953U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520996459.1U CN205370953U (en) 2015-12-07 2015-12-07 Distribution valve and adopt delivery pump of this kind of distribution valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520996459.1U CN205370953U (en) 2015-12-07 2015-12-07 Distribution valve and adopt delivery pump of this kind of distribution valve

Publications (1)

Publication Number Publication Date
CN205370953U true CN205370953U (en) 2016-07-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520996459.1U Withdrawn - After Issue CN205370953U (en) 2015-12-07 2015-12-07 Distribution valve and adopt delivery pump of this kind of distribution valve

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545493A (en) * 2015-12-07 2017-03-29 巩高铄 A kind of distributing valve and the delivery pump using this distributing valve
CN111622915A (en) * 2020-06-22 2020-09-04 范凯 Flat straight-connected concrete ultrahigh-pressure delivery pump
CN111622915B (en) * 2020-06-22 2021-09-24 苏州维斯勒姆智能科技有限公司 Flat straight-connected concrete ultrahigh-pressure delivery pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545493A (en) * 2015-12-07 2017-03-29 巩高铄 A kind of distributing valve and the delivery pump using this distributing valve
CN106545493B (en) * 2015-12-07 2018-08-03 巩高铄 A kind of distributing valve and the delivery pump using this distributing valve
CN111622915A (en) * 2020-06-22 2020-09-04 范凯 Flat straight-connected concrete ultrahigh-pressure delivery pump
CN111622915B (en) * 2020-06-22 2021-09-24 苏州维斯勒姆智能科技有限公司 Flat straight-connected concrete ultrahigh-pressure delivery pump

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C14 Grant of patent or utility model
GR01 Patent grant
COR Change of bibliographic data
TR01 Transfer of patent right

Effective date of registration: 20161011

Address after: 100083 Beijing city Haidian District No. 6 Xueyuan Road Furun 1 building C block 1602

Patentee after: Gong Gaoli

Address before: 100083 Beijing city Haidian District No. 6 Xueyuan Road Furun 1 building C block 1602

Patentee before: Gong Changyong

C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Gong Gaoli

Inventor before: Gong Gaoli

Inventor before: Gong Changyong

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160706

Effective date of abandoning: 20180803