CN105952632B - Reciprocating pump liquid cylinder - Google Patents
Reciprocating pump liquid cylinder Download PDFInfo
- Publication number
- CN105952632B CN105952632B CN201610503627.8A CN201610503627A CN105952632B CN 105952632 B CN105952632 B CN 105952632B CN 201610503627 A CN201610503627 A CN 201610503627A CN 105952632 B CN105952632 B CN 105952632B
- Authority
- CN
- China
- Prior art keywords
- valve
- suction
- discharge
- spring
- valve plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention discloses reciprocating pump liquid cylinder, including：Fluid cylinder, upper discharge valve plate, upper discharge spring, upper valve base, upper suction valve plate, suction spring, suction valve hood, low suction valve plate, lower valve base, lower discharge spring, lower discharge valve plate, fluid cylinder, suction pipe assembly and discharge tube assembly, upper discharge valve plate, upper discharge spring, upper valve base, upper suction valve plate, suction spring, suction valve hood, low suction valve plate, lower valve base, lower discharge spring and lower discharge valve plate are successively set in the valve pocket hole of fluid cylinder；The suction inlet and feed liquor flow passage of suction pipe assembly, feed liquor runner connect with the valve pocket hole of upper valve base and the valve pocket hole of lower valve base；The outlet and discharge opeing flow passage of tube assembly are discharged, discharge opeing runner connects with the valve pocket of upper discharge valve plate and the valve pocket of lower discharge valve plate.The present invention reciprocating pump that makes to have combination valve structure liquid cylinder while is also provided with the characteristic of big flow by setting two set groups and valve up and down in each cavity volume.
Description
Technical field
The present invention relates to reciprocating pump field, more particularly to reciprocating pump liquid cylinder.
Background technology
Liquid cylinder in reciprocating pump is the critical component of reciprocating pump, and medium suction is by the suction in liquid cylinder, discharge
Valve group is realized.Combination valve is most common valve block structure in current reciprocating pump, and combination valve is with its simple in construction, maintenance cost
It is low, reliability is high has obtained generally using.
But because the suction of combination valve, discharge, come what is realized, are generally used only in typically by multiple aperture excessively streams
Single cylinder flow<25m3On/h reciprocating pump, for big flow reciprocating pump, combination valve aperture area of passage slight drag is very big,
It is unfavorable for the normal work of pump.Therefore, combination valve is not particularly suited for big flow reciprocating pump, greatly limit combination valve in big flow
Application on reciprocating pump.
The content of the invention
It is an object of the invention to provide reciprocating pump liquid cylinder, to solve the above-mentioned problems of the prior art, makes with group
Closing the liquid cylinder of valve arrangement can apply on big flow reciprocating pump.
To achieve the above object, the invention provides following scheme：The invention provides a kind of reciprocating pump liquid cylinder, bag
Include：Fluid cylinder, it is upper discharge valve plate, it is upper discharge spring, upper valve base, it is upper suction valve plate, suction spring, suction valve hood, low suction valve plate,
Lower valve base, it is lower discharge spring, it is lower discharge valve plate, fluid cylinder, suction pipe assembly and discharge tube assembly, the fluid cylinder be provided with valve pocket hole,
Feed liquor runner and discharge opeing runner, the upper discharge valve plate, the upper discharge spring, the upper valve base, the upper suction valve plate, institute
State suction spring, the suction valve hood, the low suction valve plate, the lower valve base, the lower discharge spring and the lower discharge
Valve plate is successively set in the valve pocket hole；The suction pipe assembly is arranged on the fluid cylinder side, and the suction pipe assembly is set
There are suction inlet, the suction inlet and a feed liquor flow passage, the valve pocket hole of the feed liquor runner and the upper valve base and described
The valve pocket hole connection of lower valve base, the discharge tube assembly are arranged on the fluid cylinder opposite side, and the discharge tube assembly is provided with discharge
Mouthful, the outlet and the discharge opeing flow passage, the valve pocket and the lower row of the discharge opeing runner and the upper discharge valve plate
Go out the valve pocket connection of valve plate.
Preferably, the upper discharge valve plate, the upper discharge spring, the upper valve base, the upper suction valve plate, the suction
Enter spring, the suction valve hood, the low suction valve plate, the lower valve base, the lower discharge spring and the lower discharge valve plate
It is vertically set on successively in the valve pocket hole.
Preferably, the feed liquor runner includes：Enterprising liquid stream road and lower feed liquor runner；The enterprising liquid stream road and it is described on
The valve pocket hole connection of valve seat, the lower feed liquor runner connects with the valve pocket hole of the lower valve base, the enterprising liquid stream road and described
Lower feed liquor runner is arranged in parallel.
Preferably, institute's discharge opeing runner includes：Upper discharge opeing runner and lower discharge opeing runner；The upper discharge opeing runner and the upper row
Go out the valve pocket connection of valve plate, the lower discharge opeing runner connects with the valve pocket of the lower discharge valve plate, the upper discharge opeing runner and institute
Lower discharge opeing runner is stated to be arranged in parallel.
Preferably, the valve pocket hole includes upper valve lumen pore and lower valve lumen pore, the upper valve lumen pore and the lower valve lumen pore phase
Mutually parallel, one end of the upper valve lumen pore connects with one end of the lower valve lumen pore, and the suction spring includes upper suction spring
With lower suction spring, the suction valve hood includes upper suction valve hood and low suction valve cover；The upper discharge valve plate, the upper discharge
Spring, the upper valve base, the upper suction valve plate, the upper suction spring, the upper suction valve hood are successively set on described
In valve pocket hole, the lower discharge valve plate, the lower discharge spring, the lower valve base, the low suction valve plate, the lower suction bullet
Spring, the low suction valve cover are successively set in the lower valve lumen pore.
Preferably, the valve pocket hole of the upper valve base and the valve pocket hole of the lower valve base are set by feed liquor runner series connection
Put.
Preferably, the valve pocket of the valve pocket of the upper discharge valve plate and the lower discharge valve plate is connected by the discharge opeing runner
Set.
Preferably, the diameter of the upper valve lumen pore and the diameter of the lower valve chamber are equal or different.
According to present disclosure, the invention discloses following technique effect：The present invention in each cavity volume by setting
Upper and lower two sets of combination valves, will go up discharge valve plate, it is upper discharge spring, upper valve base, it is upper suction valve plate, suction spring, suction valve hood,
Low suction valve plate, lower valve base, lower discharge spring and lower discharge valve plate are successively set in single valve pocket hole, are made in single valve pocket hole
The area of passage of combination valve be multiplied, also the flow of pump is multiplied, successfully by with combination valve arrangement
Liquid cylinder is applied on big flow reciprocating pump.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is example structure schematic diagram disclosed by the invention；
Fig. 2 is embodiment runner schematic diagram disclosed by the invention；
Fig. 3 is another example structure schematic diagram disclosed by the invention；
Wherein, 1 is upper discharge valve plate, and 2 be upper discharge spring, and 3 be upper valve base, and 4 be upper suction valve plate, and 5 be suction spring,
6 be suction valve hood, and 7 be low suction valve plate, and 8 be lower valve base, and 9 be lower discharge spring, and 10 be lower discharge valve plate, and 11 be fluid cylinder, 12
It is discharge tube assembly for suction pipe assembly, 13,14 be suction inlet, and 15 be outlet, and 16 be upper suction spring, and 17 be upper inlet valve
Cover, 18 be lower suction spring, and 19 be low suction valve cover.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide reciprocating pump liquid cylinder, to solve the above-mentioned problems of the prior art, makes with group
Closing the liquid cylinder of valve block structure can apply on big flow reciprocating pump.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
The invention provides a kind of reciprocating pump liquid cylinder, including：Fluid cylinder 11, upper discharge valve plate 1, upper discharge spring 2, upper valve
Seat 3, upper suction valve plate 4, suction spring 5, suction valve hood 6, low suction valve plate 7, lower valve base 8, lower discharge spring 9, lower dump valve
Plate 10, fluid cylinder 11, suction pipe assembly 12 and discharge tube assembly 13, fluid cylinder 11 are provided with valve pocket hole, feed liquor runner and discharge opeing runner, on
Discharge valve plate 1, it is upper discharge spring 2, upper valve base 3, it is upper suction valve plate 4, suction spring 5, suction valve hood 6, low suction valve plate 7, under
Valve seat 8, lower discharge spring 9 and lower discharge valve plate 10 are successively set in valve pocket hole；Suction pipe assembly 12 is arranged on fluid cylinder 11 1
Side, suction pipe assembly 12 are provided with the valve pocket hole of suction inlet 14, suction inlet 14 and feed liquor flow passage, feed liquor runner and upper valve base 3
And the valve pocket hole connection of lower valve base 8, discharge tube assembly 13 are arranged on the opposite side of fluid cylinder 11, discharge tube assembly 13 is provided with outlet
15, outlet 15 and discharge opeing flow passage, the valve pocket of the valve pocket and lower discharge valve plate 10 of discharge opeing runner and upper discharge valve plate 1 connect
It is logical.
Preferably, upper discharge valve plate 1, upper discharge spring 2, upper valve base 3, upper suction valve plate 4, suction spring 5, suction valve hood
6th, low suction valve plate 7, lower valve base 8, lower discharge spring 9 and lower discharge valve plate 10 are vertically set in valve pocket hole successively.Valve pocket hole
To be cylindric, while two sets of suctions, discharge valve group are contained, the discharge capacity of single liquid cylinder is multiplied.Preferably, valve pocket
The diameter in hole is equal, upper and lower two sets of combination valves is had preferable uniformity.It is understood that valve pocket hole can also make ladder
Hole, the size of upper and lower two sets of combination valves are also not wait, and upper and lower two sets of combination valves is mutually matched work by adjusting suction spring 5
Work.
Preferably, feed liquor runner includes：Enterprising liquid stream road and lower feed liquor runner；The valve pocket in enterprising liquid stream road and upper valve base 3
Hole is connected, and lower feed liquor runner is connected with the valve pocket hole of lower valve base 8, and enterprising liquid stream road and lower feed liquor runner are arranged in parallel.
Preferably, institute's discharge opeing runner includes：Upper discharge opeing runner and lower discharge opeing runner；Upper discharge opeing runner and upper discharge valve plate 1
Valve pocket connection, lower discharge opeing runner with it is lower discharge valve plate 10 valve pocket connect, upper discharge opeing runner and lower discharge opeing runner are arranged in parallel.
Preferably, valve pocket hole includes upper valve lumen pore and lower valve lumen pore, and upper valve lumen pore and lower valve lumen pore are parallel to each other, uuper valve chamber
The one end in hole connects with one end of lower valve lumen pore, and suction spring 5 includes upper suction spring 16 and lower suction spring 18, suction valve hood
6 include upper suction valve hood 17 and low suction valve cover 19；It is upper discharge valve plate 1, it is upper discharge spring 2, upper valve base 3, it is upper suction valve plate 4,
Upper suction spring 16, upper suction valve hood 17 are successively set in upper valve lumen pore, lower discharge valve plate 10, lower discharge spring 9, lower valve base
8th, low suction valve plate 7, lower suction spring 18, low suction valve cover 19 are successively set in lower valve lumen pore.The uuper valve chamber be arrangeding in parallel
Hole and lower valve lumen pore not only can effectively shorten the length of liquid cylinder, be more convenient maintenance.Preferably, the valve pocket hole of fluid cylinder 11 is unlimited
It is in two or multiple, whole valve pocket holes of fluid cylinder 11 is interconnected, so as to improve the stream of liquid cylinder into multiple
Amount.
Preferably, the valve pocket hole of upper valve base 3 and the valve pocket hole of lower valve base 8 are arranged in series by feed liquor runner.
Preferably, the valve pocket of the valve pocket of upper discharge valve plate 1 and lower discharge valve plate 10 is arranged in series by discharge opeing runner.
Preferably, the diameter of the diameter of upper valve lumen pore and lower valve lumen pore is equal or different.
According to present disclosure, the invention discloses following technique effect：The present invention in each cavity volume by setting
Upper and lower two sets of combination valves, discharge valve plate 1, upper discharge spring 2, upper valve base 3, upper suction valve plate 4, suction spring 5, suction will be gone up
Valve bonnet 6, low suction valve plate 7, lower valve base 8, lower discharge spring 9 and lower discharge valve plate 10 are successively set in single valve pocket hole, are made
The area of passage of combination valve in single valve pocket hole is multiplied, and also the flow of pump is multiplied, and will successfully have
The liquid cylinder of combination valve arrangement is applied on big flow reciprocating pump.The structure and volume of big flow reciprocating pump are simplified, is made big
The operational reliability of flow reciprocating pump is higher, while maintenance cost is lower.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content is not
It is interpreted as limitation of the present invention.
Claims (7)
1. reciprocating pump liquid cylinder, it is characterised in that：Including：Fluid cylinder, upper discharge valve plate, upper discharge spring, upper valve base, upper inlet valve
Plate, suction spring, suction valve hood, low suction valve plate, lower valve base, lower discharge spring, lower discharge valve plate, suction pipe assembly and discharge
Tube assembly, the fluid cylinder are provided with valve pocket hole, feed liquor runner and discharge opeing runner, the upper discharge valve plate, the upper discharge spring, institute
State upper valve base, it is described it is upper suction valve plate, it is described suction spring, the suction valve hood, the low suction valve plate, the lower valve base,
The lower discharge spring and the lower discharge valve plate are successively set in the valve pocket hole；The suction pipe assembly is arranged on described
Fluid cylinder side, the suction pipe assembly are provided with suction inlet, the suction inlet and the feed liquor flow passage, the feed liquor runner and
The valve pocket hole of the upper valve base and the valve pocket hole connection of the lower valve base, it is another that the discharge tube assembly is arranged on the fluid cylinder
Side, the discharge tube assembly are provided with outlet, the outlet and the discharge opeing flow passage, the discharge opeing runner and it is described on
Discharge the valve pocket connection of the valve pocket and the lower discharge valve plate of valve plate.
2. reciprocating pump liquid cylinder according to claim 1, it is characterised in that：The upper discharge valve plate, the upper discharge bullet
Spring, the upper valve base, it is described it is upper suction valve plate, it is described suction spring, the suction valve hood, the low suction valve plate, it is described under
Valve seat, the lower discharge spring and the lower discharge valve plate are vertically set in the valve pocket hole successively.
3. reciprocating pump liquid cylinder according to claim 2, it is characterised in that：The feed liquor runner includes：Enterprising liquid stream road
With lower feed liquor runner；The enterprising liquid stream road connects with the valve pocket hole of the upper valve base, the lower feed liquor runner and the lower valve
The valve pocket hole connection of seat, the enterprising liquid stream road and the lower feed liquor runner are arranged in parallel.
4. reciprocating pump liquid cylinder according to claim 2, it is characterised in that：Institute's discharge opeing runner includes：Upper discharge opeing runner and
Lower discharge opeing runner；The upper discharge opeing runner connects with the valve pocket of the upper discharge valve plate, the lower discharge opeing runner and the lower row
Go out the valve pocket connection of valve plate, the upper discharge opeing runner and the lower discharge opeing runner are arranged in parallel.
5. reciprocating pump liquid cylinder according to claim 1, it is characterised in that：The valve pocket hole includes upper valve lumen pore and lower valve
Lumen pore, the upper valve lumen pore and the lower valve lumen pore are parallel to each other, and the one of one end of the upper valve lumen pore and the lower valve lumen pore
End connects, and the suction spring includes upper suction spring and lower suction spring, and the suction valve hood includes upper suction valve hood with
Suction valve hood；The upper discharge valve plate, the upper discharge spring, the upper valve base, the upper suction valve plate, the upper suction bullet
Spring, the upper suction valve hood are successively set in the upper valve lumen pore, the lower discharge valve plate, the lower discharge spring, described
Lower valve base, the low suction valve plate, the lower suction spring, the low suction valve cover are successively set in the lower valve lumen pore.
6. reciprocating pump liquid cylinder according to claim 5, it is characterised in that：The valve pocket hole of the upper valve base and the lower valve
The valve pocket hole of seat is arranged in series by the feed liquor runner.
7. reciprocating pump liquid cylinder according to claim 5, it is characterised in that：It is described it is upper discharge valve plate valve pocket and it is described under
The valve pocket of discharge valve plate is arranged in series by the discharge opeing runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503627.8A CN105952632B (en) | 2016-06-30 | 2016-06-30 | Reciprocating pump liquid cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503627.8A CN105952632B (en) | 2016-06-30 | 2016-06-30 | Reciprocating pump liquid cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952632A CN105952632A (en) | 2016-09-21 |
| CN105952632B true CN105952632B (en) | 2018-03-06 |
Family
ID=56902968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610503627.8A Active CN105952632B (en) | 2016-06-30 | 2016-06-30 | Reciprocating pump liquid cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952632B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762591B (en) * | 2017-01-13 | 2018-04-27 | 大庆市金拓石油机械制造有限公司 | A kind of reciprocating booster pump |
| CN108894979B (en) * | 2018-07-05 | 2020-04-03 | 宁波修远机电有限公司 | Vertical combined valve hydraulic end |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416252Y (en) * | 2000-02-26 | 2001-01-24 | 浙江开山股份有限公司 | Air-intaking & discharging combined valve for air compressor |
| CN1696510A (en) * | 2005-05-20 | 2005-11-16 | 浙江工业大学 | Combined type valve with double fluid channels in use for reciprocating pump |
| CN2775346Y (en) * | 2005-04-13 | 2006-04-26 | 尹凯 | Plunger pump combined valve |
| CN201173328Y (en) * | 2008-03-21 | 2008-12-31 | 江苏省涟水县阀门厂 | Integral combined type combined valve |
| CN102758772A (en) * | 2012-08-11 | 2012-10-31 | 大庆市金拓石油机械制造有限公司 | Double-acting reciprocating booster pump |
| CN104763628A (en) * | 2015-03-27 | 2015-07-08 | 宁波合力机泵有限公司 | Fluid end of plunger-type reciprocating pump and plunger-type reciprocating pump using the fluid end |
-
2016
- 2016-06-30 CN CN201610503627.8A patent/CN105952632B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416252Y (en) * | 2000-02-26 | 2001-01-24 | 浙江开山股份有限公司 | Air-intaking & discharging combined valve for air compressor |
| CN2775346Y (en) * | 2005-04-13 | 2006-04-26 | 尹凯 | Plunger pump combined valve |
| CN1696510A (en) * | 2005-05-20 | 2005-11-16 | 浙江工业大学 | Combined type valve with double fluid channels in use for reciprocating pump |
| CN201173328Y (en) * | 2008-03-21 | 2008-12-31 | 江苏省涟水县阀门厂 | Integral combined type combined valve |
| CN102758772A (en) * | 2012-08-11 | 2012-10-31 | 大庆市金拓石油机械制造有限公司 | Double-acting reciprocating booster pump |
| CN104763628A (en) * | 2015-03-27 | 2015-07-08 | 宁波合力机泵有限公司 | Fluid end of plunger-type reciprocating pump and plunger-type reciprocating pump using the fluid end |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952632A (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206581212U (en) | A kind of aqueduct model test exit of pump energy dissipating constant-current stabilizer | |
| CN105952632B (en) | Reciprocating pump liquid cylinder | |
| CN205896298U (en) | Novel sewage lift check valve | |
| CN206816871U (en) | It is a kind of to pass through the valve of pressure change liquid outlet channel | |
| CN106641351A (en) | Pilot control hydraulic one-way valve | |
| CN206111159U (en) | Low pressure feed pipe system that converges for fracturing and low pressure feed pipe converges thereof | |
| CN209019936U (en) | Crude monomer distillation pipe flow speed regulating device | |
| CN209195678U (en) | Valve seat of plunger pump | |
| CN206851594U (en) | A kind of energy-saving agricultural irrigation device | |
| CN107237907A (en) | Salt valve | |
| CN209320926U (en) | A kind of master cylinder with rigid petroleum pipeline | |
| CN107711430A (en) | A kind of energy-saving agricultural irrigation device | |
| CN100532782C (en) | Method for gas liquid separation under oil well and uniform flow gas anchor of multiple sedimentation cups | |
| CN206159508U (en) | Butterfly valve of adjustable and adjustable stream | |
| CN207049392U (en) | Salt valve | |
| CN204459301U (en) | Sluicing type safety check | |
| CN208340290U (en) | A kind of cement grinding aid filter device | |
| CN108916033B (en) | Four-port window port plate capable of balancing torque and relieving impact | |
| CN103511244B (en) | A kind of check valve of displacement pump | |
| CN205277963U (en) | Flat valve | |
| CN206112187U (en) | Pipeline voltage regulator device | |
| CN206802597U (en) | A kind of multi-purpose vehicle(MPV) parts joint | |
| CN106122550B (en) | A kind of pipeline voltage stabilizer | |
| CN208916813U (en) | A kind of sledge dress station pipe-line system | |
| CN201159164Y (en) | Protecting equipment of oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210303 Address after: No. 55, Yuquan Road, high tech Development Zone, Baoji City, Shaanxi Province Patentee after: BAOJI AEROSPACE POWER PUMP Co.,Ltd. Address before: 163000 no.292, Zhongsan Road, Daqing City, Heilongjiang Province Patentee before: JINTUO PETROLEUM MACHINERY MANUFACTRING Co.,Ltd. |