CN205533190U - Beat positive displacement high pressure water pump - Google Patents
Beat positive displacement high pressure water pump Download PDFInfo
- Publication number
- CN205533190U CN205533190U CN201620371793.2U CN201620371793U CN205533190U CN 205533190 U CN205533190 U CN 205533190U CN 201620371793 U CN201620371793 U CN 201620371793U CN 205533190 U CN205533190 U CN 205533190U
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- Prior art keywords
- feather key
- rotor
- pump housing
- location
- side plate
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a beat positive displacement high pressure water pump, install the rotor in the pump body including the pump body with through the eccentric shaft, be equipped with inlet opening and apopore on the pump body, the working chamber inner wall of rotor outer fringe and the pump body is tangent, lie in the rotor bilateral symmetry and be equipped with the curb plate on the eccentric shaft, the working chamber inner wall upper end of the pump body be equipped with the feather key spout and in the feather key spout symmetry be equipped with the arc recess, be equipped with bow -shaped turning block respectively in the arc recess, inserted the location feather key between two turning blocks, location feather key lower extreme inserts for the axle form and through clearance fit and establishes in the locating hole of rotor upper end, will through location feather key and rotor the working chamber divides into high nip and low -pressure area, along radially being equipped with the oil filler point, be equipped with the oiling passageway on the feather key of location on the pump body. The beneficial effects are that: make pump body working chamber volume can obtain make full use of, can effectively improve the pump efficiency. Handling ease and oiling are lubricated, and lubricated effectual, mechanical wear is little, long service life.
Description
Technical field
This utility model relates to a kind of water pump structure, particularly to a kind of beat positive displacement high-pressure hydraulic pump.
Background technology
It is known that volume type rotor pump is made up of the rotor of the static pump housing and motion, by turning in the pump housing
Energy directly acts on liquid with static pressure form by the side that contacts with liquid of son, and by means of during rotor beat
Squeezing action drain, simultaneously at opposite side slot milling, forms low pressure, makes liquid suck continuously.
The Chinese utility model patent of Publication No. CN202203109U discloses a kind of double-shaft seal transfiguration
Water pump, it includes the pump housing and the rotor that dangles being located in pump housing working chamber, is provided with twin shaft in pump housing working chamber
Head pilot seal dividing plate, with described Biaxial pilot seal dividing plate on working chamber inwall and the rotor that dangles
Two spindle nose correspondence positions are respectively equipped with pilot seal hole, and two described spindle noses lay respectively at working chamber inwall
With in the pilot seal hole dangled on rotor, in the pump housing, it is positioned at rotor both sides is provided with compensating plate.This structure
There are the following problems:
1, being zigzag due to Biaxial pilot seal dividing plate, its transverse width dimension is relatively big, causes it in work
Make taking up room of intracavity relatively big, thus reduce pump efficiency.
2, being irregularly shaped due to Biaxial pilot seal dividing plate, two spindle nose is respectively provided in working chamber
In wall and the pilot seal hole dangled on rotor and the lateral alternate of position, therefore it is not easy to processing and lubrication, appearance
Easy to wear, easily connected with low pressure chamber by the high pressure of Biaxial pilot seal dividing plate segmentation after abrasion, cause
Pump efficiency and pressure decline simultaneously, and service life is short.
3, being only evenly equipped with multiple shoulder hole at circumferencial direction on compensating plate, it does not possess unidirectional damming and back pressure
Function, easily makes under the promotion of the High-Pressure Water produced in the pump housing during work to produce between this compensating plate and rotor
Raw gap, thus reduce pressure and the lift of this transfiguration water pump.
4, due on compensating plate without pressure relief, the High-Pressure Water produced in the pump housing during work is easily by compensation
Plate and the gap seepage of axis, thus reduce pressure and the lift of this transfiguration water pump further.
Summary of the invention
Technical problem to be solved in the utility model is to provide one and is easy to processing and lubrication, the most easy to wear,
Service life is long, it is possible to increase the beat positive displacement high-pressure hydraulic pump of pump efficiency.
For solving the problems referred to above, this utility model adopts the following technical scheme that
A kind of beat positive displacement high-pressure hydraulic pump, including the pump housing and the rotor that is arranged in the pump housing by eccentric shaft,
It is provided with in both sides, pump housing top in the working chamber of the inlet opening and apopore being arranged symmetrically with, rotor periphery and the pump housing
Wall is tangent, and the rotor being positioned at the pump housing on eccentric shaft is symmetrically arranged on two with side plate, and it is characterized in that:
The working chamber inwall upper end of the pump housing is provided with a feather key chute and is arranged with arc groove in feather key chute,
In arc groove, it is respectively equipped with arch moving block, is coordinated by glade plane space between two moving blocks and insert
There is location feather key；Feather key lower end, described location is shaft-like and is inserted into by matched in clearance and is located at rotor upper end
In hole, location, make location feather key can with rotor beat rotation certain angle, by location feather key and rotor
Described working chamber is divided into higher-pressure region and low-pressure area；Radially it is provided with feather key chute even in pump housing upper center
Logical oil filler point, is communicated with the oiling passage of feather key chute and hole, location on the feather key of location.
As further preferably, be positioned in the pump housing feather key chute both sides snap on symmetrical two fixed
Position seat, described arc groove is symmetrically arranged on the opposite face of two upper positioning seats, position in described feather key chute
It is provided with positioning seat sprue in feather key two ends, location.
As further preferably, it is symmetrically arranged on two with the central angle arc more than 180 degree at described feather key chute
Draw-in groove, described upper positioning seat and positioning seat sprue two ends are respectively clamped in the arc-shaped slot of correspondence.
As further preferably, it is provided with a locating slot in rotor periphery upper end and in locating slot, is installed with one
Individual lower positioning seat, hole, described location is located in the middle part of lower positioning seat and upper end open.
As further preferably, described eccentric shaft is arranged between the end cap of pump housing both sides by bearing, described
In locating shoulder on end cap is inserted respectively into the port of pump housing both sides and act against outside side plate, described rotor
The eccentric segment being arranged on eccentric shaft by needle bearing.
As further preferably, side plate end face outside is along the circumferential direction provided with arc tank, on side plate
Be provided with L-type duct at corresponding pump housing apopore, L-type duct entrance be positioned at side plate outer rim and with described in side plate interior sides
The higher-pressure region of working chamber is connected by U-shaped gap I, and the outlet of L-type duct is positioned at arc tank, at arc water
It is provided with elastic block piece, by L-type duct under the elastic force effect of elastic block piece near exit, L-type duct in groove
Outlet unidirectional blocking, can form back pressure district by arc tank, make side plate be close to rotor both sides, to improve
Sealing effectiveness, thus improve pressure and the lift of water pump.
As further preferably, side plate is radially provided with at the corresponding pump housing inlet opening backflow duct,
Backflow duct entrance connects with side plate centre bore, return port road export be positioned at side plate outer rim and with side plate interior sides institute
State the low-pressure area of working chamber by the connection of U-shaped gap II, reveal to avoid producing, improve further pressure and
Lift.
As further preferably, it is evenly equipped with multiple lubrication hole the most respectively in two ends of rotor, in lubrication
Being respectively fixed with the lubrication post being made up of self-lubricating material in hole, lubrication post outer end is concordant with rotor end-face.
As further preferably, the material of the described pump housing is cast aluminium, is installed with by certainly moistening in pump housing working chamber
The stator sliding sleeve that sliding material is made, stator sliding sleeve passes through the circle distribution multiple fan-deck card tooth cards in its outer rim
In described working chamber, to alleviate pump housing weight, consequently facilitating fire-fighting uses.
As further preferably, the apopore of the described pump housing connects and has check valve.
As further preferably, described side plate end face outside is positioned at the inside and outside both sides of arc tank and sets respectively
There is annular groove and sealing ring is installed.
The beneficial effects of the utility model are:
1, being coordinated between two moving blocks of insertion by glade plane space due to feather key top, location, lower end is shaft-like
And inserted by matched in clearance in the hole, location of rotor upper end, therefore its transverse width dimension is less, can be very well
Ground separates high and low nip, and feather key taking up room in working chamber in location is the least, so that pump housing work
Make chamber volume can be fully used, it is possible to be effectively improved pump efficiency.
2, simple due to the equal profile of moving block, location feather key and feather key chute and hole, location, therefore it is easy to add
Work；Owing to being provided with the oil filler point connected with feather key chute on the pump housing, location feather key is communicated with feather key
Chute and the oiling passage positioning hole, therefore, it is possible to the oiling realized between location feather key and moving block and rotor
Lubrication, high lubricating effect, mechanical wear is little, and service life is long.
3, two are formed by the arc groove in moving block and feather key chute, feather key lower end, location and hole, location
Revolute pair, forms a sliding pair by location feather key and two moving blocks, rotor beat can be made more flexible
Freely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is to remove on the left of engine body end cover left part and rotor the left view after side plate in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 latus inframedium.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the B-B sectional view of Fig. 3.
In figure: body 1, Jie's axle 2, reducing gear 3, engine body end cover 4, positioning seat sprue 5, the pump housing 6,
Higher-pressure region 601, low-pressure area 602, inlet opening 603, apopore 604, feather key chute 605, oil filler point 606,
Arc-shaped slot 607, relief valve 7, check valve 8, position feather key 9, oiling passage 901, side plate 10, arc
Shape tank 1001, annular groove 1002, L-type duct 1003, duct 1004 of refluxing, U-shaped gap I 1005,
U-shaped gap II 1006, pump housing end cap 11, bearing gland 12, sealing ring 13, O RunddichtringO 14, bolt
15, bearing cap 16, stator sliding sleeve 17, rotor 18, locating slot 1801, needle bearing 19, lubricate post 20,
Bearing 21, eccentric shaft 22, oilhole 2201, output gear 23, input gear 24, power shaft 25,
Input flange 26, lower positioning seat 27, upper positioning seat 28, plug cock 29, water supply connector 30, moving block 31,
Elastic block piece 32, screw 33, alignment pin 34.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of beat positive displacement high-pressure hydraulic pump that this utility model relates to, including pump
Body 6 and the rotor 18 being arranged in the pump housing 6 by eccentric shaft 22, be provided with symmetrical cloth in both sides, the pump housing 6 top
The inlet opening 603 put and apopore 604, described eccentric shaft 22 is arranged on the pump housing 6 both sides by bearing 21
Between end cap, rotor 18 lateral symmetry being positioned at the pump housing 6 on eccentric shaft 22 is set with side plate 10, side
Plate 10 centre bore and eccentric shaft 22 matched in clearance.Described end cap be divided into engine body end cover 4 and pump housing end cap 11 and
Being fixed on the pump housing 6 both sides by bolt 15 respectively, the locating shoulder on two end caps is inserted respectively into the pump housing 6
The port of both sides is interior and acts against outside side plate 10, and described rotor 18 is arranged on bias by needle bearing 19
Eccentric segment on axle 22, the one end, big footpath in rotor 18 centre bore has been threaded connection bearing cap 16,
Bearing cap 16 acts against on needle bearing 19, and rotor 18 outer rim is tangent with the working chamber inwall of the pump housing 6.
It is provided with a feather key chute 605, in feather key chute 605 both sides pair in the working chamber inwall upper end of the pump housing 6
Claim be provided with the central angle arc-shaped slot 607 more than 180 degree and snapped in symmetrically by arc-shaped slot 607
Two upper positioning seats 28, two are arranged with arc groove on the opposite face of positioning seat 28, at arc
It is respectively equipped with arch moving block 31 in groove, is coordinated by glade plane space between two moving blocks 31 and be inserted with
Location feather key 9, is positioned at feather key 9 two ends, location in described feather key chute 605 and is provided with positioning seat sprue 5, fixed
Seat sprue 5 two ends, position are snapped onto by interference fit in the arc-shaped slot 607 of correspondence.
It is provided with a locating slot 1801 in rotor 18 outer rim upper end and is installed with under one in locating slot 1801
Positioning seat 27, is provided with the hole, location of a upper end open in the middle part of lower positioning seat 27.Described location feather key 9 times
End is shaft-like being inserted in hole, described location by matched in clearance, makes the location feather key 9 can be inclined with rotor 18
Put and rotation certain angle, by positioning feather key 9 and rotor 18, described working chamber is divided into higher-pressure region 601 He
Low-pressure area 602.The oil filler point 606 connected with feather key chute 605 radially it is provided with in the pump housing 6 upper center,
Oil filler point 606 is threaded connection plug cock 29, location feather key 9 has been communicated with feather key chute 605
Inverted " t " type oiling passage 901 with hole, location.
Form two by described moving block 31 and upper positioning seat 28, location feather key 9 and lower positioning seat 27 to turn
Dynamic pair, is formed a sliding pair by location feather key 9 and two moving blocks 31, is driven by eccentric shaft 22
And under the position-limiting action of described two revolute pairs and a sliding pair, make rotor 18 at the working chamber of the pump housing 6
Inside do beat motion.
As shown in Fig. 3～Fig. 5, described side plate 10 end face outside is along the circumferential direction provided with arc tank 1001,
Central angle corresponding to arc tank 1001 is 270 degree, on side plate 10 at corresponding pump housing apopore 604
Be provided with L-type duct 1003, L-type duct 1003 entrance be positioned at side plate 10 outer rim and with side plate 10 inside described
The higher-pressure region 601 of working chamber is connected by U-shaped gap I 1005, and L-type duct 1003 outlet is positioned at arc water
In groove 1001.It is fixed with by screw 33 near exit, L-type duct 1003 in arc tank 1001
Elastic block piece 32, exports unidirectional blocking by L-type duct 1003 under the elastic force effect of elastic block piece 32, makes
Current can only enter in arc tank 1001 by higher-pressure region 601, can form back pressure by arc tank 1001
District, makes side plate 10 be close to rotor 18 both sides, to improve sealing effectiveness, thus improve water pump pressure and
Lift.
Side plate 10 is radially provided with at corresponding pump housing inlet opening 603 a backflow duct 1004, return port
Road 1004 entrance connects with side plate 10 centre bore, backflow duct 1004 outlet be positioned at side plate 10 outer rim and with
Inside side plate 10, the low-pressure area 602 of described working chamber is connected by U-shaped gap II 1006, to avoid generation to let out
Dew, improves pressure and lift further.Described side plate 10 end face outside is positioned at arc tank 1001,
It is respectively provided on two sides with outward annular groove 1002 and O RunddichtringO 14 is installed.At described side plate 10 outboard end
Being threadably secured alignment pin 34 on face, alignment pin 34 is inserted into engine body end cover 4 or the pump housing end cap of homonymy
In hole, location on 11, for realizing the circumferential registration of side plate 10.
It is evenly equipped with multiple lubrication hole the most respectively at rotor 18 two ends, is respectively fixed with in lubrication hole
The lubrication post 20 being made up of self-lubricating material, lubrication post 20 outer end is concordant with rotor 18 end face.
The material of the described pump housing is cast aluminium, is installed with the stator being made up of self-lubricating material in pump housing working chamber
Sliding sleeve 17, stator sliding sleeve 17 is stuck in described working chamber by the circle distribution multiple fan-deck card teeth in its outer rim
In, to alleviate pump housing weight, consequently facilitating fire-fighting uses.Described self-lubricating material is preferably politef.
Water supply connector 30 it has been threaded connection, at the apopore 604 of the pump housing at the inlet opening 603 of the pump housing
On be threaded connection check valve 8, the exit end at check valve 8 has been threaded connection relief valve 7.
Bearing gland 12 it has been bolted, in eccentric shaft 22 at the centre bore external port of pump housing end cap 11
The heart is positioned at bearing gland 12 one end and is provided with oilhole 2201, and oilhole 2201 outer end is threaded connection
Having plug, oilhole 2201 is inner to be connected with the eccentric segment outer rim on eccentric shaft 22 by a radial hole,
For realizing the lubrication of needle bearing 19.
It is positioned at inside the bearing on two end caps between eccentric shaft 22 and two end caps and is respectively equipped with sealing ring 13.
Being connected by screw organism 1 outside the engine body end cover 4 of pump housing side, body 1 is formed with engine body end cover 4
One annular seal space.Being provided with a power shaft 25 by two set bearings on body 1, power shaft 25 is with eccentric
Axle 22 two ends coaxial line is arranged, is fixed with input flange 26 in power shaft 25 outer end and is drawn by body 1,
The corresponding end of the inner and described eccentric shaft 22 of power shaft 25 is inserted respectively in described annular seal space, in this sealing
Intracavity is provided with one and connects power shaft 25 and the reducing gear 3 of eccentric shaft 22, and this reducing gear 3 is secondary gear
Wheel reducing gear, arrives the transmission between eccentric shaft 22 for realizing power shaft 25.Described two-stage gear reduction
The input gear 24 of mechanism and output gear 23 are separately mounted to power shaft 25 and the end of eccentric shaft 22,
Jie's axle 2 two ends of second gear reduction unit structure are arranged on body 1 and engine body end cover 4 by bearing respectively.
During work, the input flange 26 of this beat positive displacement high-pressure hydraulic pump and engine output end are by centrifugal
Clutch connects transmission.By driven by engine power shaft 25 high speed rotating, carry after reducing gear 3 slows down
Dynamic eccentric shaft 22 rotates, and makes the eccentric segment on eccentric shaft 22 make eccentric rotary in the pump housing.Pass through eccentric shaft
22 drive and under the position-limiting action of described two revolute pairs and a sliding pair, make rotor 18 in the work of the pump housing
Do beat motion as intracavity, with the pump housing working chamber inwall linear contact lay during rotor 18 beat, coordinate location sliding simultaneously
Pump housing working chamber is divided into high pressure chest and the low pressure chamber that volume is continually changing by key 9, is moved by the beat of rotor
Current are constantly sucked low pressure chamber by inlet opening 603, more constantly clamp-ons high pressure chest by apopore 604 and unidirectional
Valve 8 is discharged.
Rotor constantly extrudes the current entered by pump housing inlet opening 603 in the pump housing during beat, after producing high pressure
Water flow through U-shaped gap I 1005, L-type duct 1003 is backed down elastic block piece 32 and is entered arc tank 1001
In, in arc tank 1001, form back pressure make this side plate 10 pressure at both sides balance, make side plate 10 be close to
Rotor both sides, the therefore good sealing effect of working chamber in the pump housing, it is possible to be effectively improved pressure and the lift of water pump.
During work, by a small amount of water under high pressure of rotor both sides and side plate 10 gap seepage by backflow duct 1004 and U
Type gap II 1006 returns to the low-pressure area 602 of described working chamber, reenters circulation, can be prevented effectively from height
Setting-out stream is revealed along eccentric shaft 22 gap.
Although embodiment of the present utility model is disclosed as above, but it is not restricted to description and enforcement
Listed utilization in mode, it can be applied to various applicable field of the present utility model completely, for being familiar with
For those skilled in the art, it is easily achieved other amendment, therefore without departing substantially from claim and equivalent
Under the general concept that scope is limited, this utility model be not limited to specific details and shown here as with description
Legend.
Claims (10)
1. a beat positive displacement high-pressure hydraulic pump, including the pump housing and the rotor that is arranged in the pump housing by eccentric shaft,
It is provided with in both sides, pump housing top in the working chamber of the inlet opening and apopore being arranged symmetrically with, rotor periphery and the pump housing
Wall is tangent, and the rotor being positioned at the pump housing on eccentric shaft is symmetrically arranged on two with side plate, it is characterized in that: at the pump housing
Working chamber inwall upper end be provided with a feather key chute and be arranged with arc groove, at arc in feather key chute
It is respectively equipped with arch moving block in connected in star, coordinates to be inserted with by glade plane space between two moving blocks and determine
Position feather key；Feather key lower end, described location is shaft-like and is inserted into the location being located at rotor upper end by matched in clearance
In hole, make location feather key can with rotor beat rotation certain angle, by location feather key and rotor by institute
State working chamber and be divided into higher-pressure region and low-pressure area；Radially it is provided with in pump housing upper center and connects with feather key chute
Oil filler point, is communicated with the oiling passage of feather key chute and hole, location on the feather key of location.
Beat positive displacement high-pressure hydraulic pump the most according to claim 1, is characterized in that: be positioned in the pump housing
Feather key chute both sides snap in the upper positioning seat of symmetrical two, and described arc groove is symmetrically arranged on two
On the opposite face of positioning seat, in described feather key chute, it is positioned at feather key two ends, location is provided with positioning seat sprue.
Beat positive displacement high-pressure hydraulic pump the most according to claim 2, is characterized in that: sliding at described feather key
Groove is symmetrically arranged on two with the central angle arc-shaped slot more than 180 degree, described upper positioning seat and positioning seat sprue two
End is respectively clamped in the arc-shaped slot of correspondence.
Beat positive displacement high-pressure hydraulic pump the most according to claim 1, is characterized in that: on rotor periphery
End is provided with a locating slot and is installed with a lower positioning seat in locating slot, and hole, described location is located at lower location
In the middle part of Zuo and upper end open.
Beat positive displacement high-pressure hydraulic pump the most according to claim 1, is characterized in that: described eccentric shaft leads to
Crossing between the end cap that bearing is arranged on pump housing both sides, the locating shoulder on described end cap is inserted respectively into the pump housing two
The port of side is interior and acts against outside side plate, the bias that described rotor is arranged on eccentric shaft by needle bearing
Section.
The most according to claim 1 or 5, beat positive displacement high-pressure hydraulic pump, is characterized in that: outside side plate
Along the circumferential direction it is provided with arc tank on side end face, side plate is provided with L-type duct at corresponding pump housing apopore,
L-type duct entrance is positioned at side plate outer rim and is connected by U-shaped gap I with the higher-pressure region of working chamber described in side plate interior sides
Logical, the outlet of L-type duct is positioned at arc tank, is provided with elasticity near exit, L-type duct in arc tank
Catch, exports unidirectional blocking by L-type duct under the elastic force effect of elastic block piece, can shape by arc tank
Become back pressure district, make side plate be close to rotor both sides.
Beat positive displacement high-pressure hydraulic pump the most according to claim 6, is characterized in that: corresponding on side plate
Radially being provided with a backflow duct at pump housing inlet opening, backflow duct entrance connects with side plate centre bore, returns
The outlet of discharge orifice road is positioned at side plate outer rim and is connected by U-shaped gap II with the low-pressure area of working chamber described in side plate interior sides
Logical, reveal to avoid producing, improve pressure and lift further.
8. according to the beat positive displacement high-pressure hydraulic pump described in claim 1 or 4 or 5, it is characterized in that: turning
Sub-two ends are evenly equipped with multiple lubrication hole the most respectively, are respectively fixed with by self-lubricating material in lubrication hole
The lubrication post that material is made, lubrication post outer end is concordant with rotor end-face.
Beat positive displacement high-pressure hydraulic pump the most according to claim 1 and 2, is characterized in that: the described pump housing
Material be cast aluminium, in pump housing working chamber, be installed with the stator sliding sleeve being made up of self-lubricating material, stator is sliding
Overlap and be stuck in described working chamber by the circle distribution multiple fan-deck card teeth in its outer rim.
Beat positive displacement high-pressure hydraulic pump the most according to claim 9, is characterized in that: at the described pump housing
Apopore on connect have check valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371793.2U CN205533190U (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high pressure water pump |
| PCT/CN2017/078330 WO2017185936A1 (en) | 2016-04-28 | 2017-03-27 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371793.2U CN205533190U (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high pressure water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533190U true CN205533190U (en) | 2016-08-31 |
Family
ID=56794875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620371793.2U Withdrawn - After Issue CN205533190U (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high pressure water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533190U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804993A (en) * | 2016-04-28 | 2016-07-27 | 河北盛多威泵业制造有限公司 | Deflection volumetric high-pressure water pump |
| WO2017185936A1 (en) * | 2016-04-28 | 2017-11-02 | 河北盛多威泵业制造有限公司 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
| CN112414341A (en) * | 2020-09-29 | 2021-02-26 | 天津旗领机电科技有限公司 | Detection device and detection method for cycloid wheel of planetary cycloid pin gear reducer |
-
2016
- 2016-04-28 CN CN201620371793.2U patent/CN205533190U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804993A (en) * | 2016-04-28 | 2016-07-27 | 河北盛多威泵业制造有限公司 | Deflection volumetric high-pressure water pump |
| WO2017185936A1 (en) * | 2016-04-28 | 2017-11-02 | 河北盛多威泵业制造有限公司 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
| CN112414341A (en) * | 2020-09-29 | 2021-02-26 | 天津旗领机电科技有限公司 | Detection device and detection method for cycloid wheel of planetary cycloid pin gear reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 050200, Shijiazhuang, Hebei Province, Luquan District, 81 Town, Yin Qing village street, Ding Jun science and Technology Park, building 10 Patentee after: HEBEI SHENGDUOWEI PUMP MANUFACTURING CO., LTD. Address before: 061000 A, block 1002, Jinding building, canal zone, Hebei, Cangzhou, China Patentee before: HEBEI SHENGDUOWEI PUMP MANUFACTURING CO., LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20171124 |
|
| AV01 | Patent right actively abandoned |