CN106968915A - A kind of automatical air pump - Google Patents
A kind of automatical air pump Download PDFInfo
- Publication number
- CN106968915A CN106968915A CN201710361762.8A CN201710361762A CN106968915A CN 106968915 A CN106968915 A CN 106968915A CN 201710361762 A CN201710361762 A CN 201710361762A CN 106968915 A CN106968915 A CN 106968915A
- Authority
- CN
- China
- Prior art keywords
- air pump
- sleeve
- rotating machine
- starter
- electric rotating
- 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.)
- Granted
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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
-
- 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
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
- F04B33/005—Pumps actuated by muscle power, e.g. for inflating specially adapted for inflating tyres of non-motorised vehicles, e.g. cycles, tricycles
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The invention discloses a kind of automatical air pump, including sleeve and inflating rod, the inflating rod is inserted into sleeve, the bottom of the sleeve is connected with escape pipe, pressure sensor is provided with the air outlet of the escape pipe, the sleeve is provided with magnetic valve with escape pipe junction, and the inflating rod, which is provided with fluid drive pushing mechanism, the inflating rod, is provided with control device.The beneficial effects of the invention are as follows, with efficient, low energy consumption, save the energy and improve whole device service life the characteristics of.
Description
Technical field
The present invention relates to electromechanical assembly, particularly a kind of automatical air pump.
Background technology
With the continuous development of scientific technology and living standards of the people increasingly raising, the trip of people becomes increasingly
Frequently, requirement of the people to quality of life also more and more higher.With the lack of energy of the world today, Green Travel is daily in people
Favored all the more in trip, various bicycle, battery-operated motor cycle etc. come into the visual field of people, become the preferred traffic work of trip
One of tool.
For the vehicles such as various bicycle, the battery-operated motor cycle in life, the mode that it is inflated is general
For two kinds, i.e., manually and automatically.For manually, general very common bicycle can be met, but for electrical salf-walking
The demand of inflation can not be met for car and motorcycle etc., while inflatable is to inflating the physical demands of people than larger, efficiency ratio
It is relatively low.For automatically, general automobile and large car inflation are selected, and charger purchase and maintenance cost are more expensive and consume
Electricity.
The content of the invention
The invention aims to solve the above problems, a kind of automatical air pump is devised.
Realize above-mentioned purpose the technical scheme is that, a kind of automatical air pump, including sleeve and inflating rod is described to beat
Gas bar is inserted into sleeve, and the bottom of the sleeve is connected with escape pipe, the air outlet of the escape pipe to be passed provided with pressure
Sensor, the sleeve and escape pipe junction are provided with magnetic valve, and the inflating rod is provided with fluid drive pushing mechanism, it is described from
Dynamic speed change pushing mechanism is by the miniature straight-line electric that is fixedly mounted on the connecting rod of inflating rod upper end, is fixedly mounted on sleeve outer wall
Machine, the starter one in miniature linear one, the extension adjustment device one in miniature linear one, with it is micro-
Miniature linear two that the telescopic end of type linear electric motors one is fixedly connected, positioned at the starter in miniature linear two
2nd, in miniature linear two electric rotating that extension adjustment device two, the telescopic end of miniature linear two are fixedly connected
Machine, the electric rotating machine starter in electric rotating machine, the driving gear being fixedly connected with electric rotating machine round end, fixed peace
Support frame, the circular hole being opened on support frame mounted in sleeve outer wall, the bearing in circular hole, turn being inserted into bearing
Axle, be fixedly mounted at the driven gear, side centre of surface that it is mutually twisted with driving gear on rotating shaft one end with rotating shaft
The other end be fixedly mounted circular mounting body, the cylinder fixing body at circular mounting body opposite side marginal surface, one end with
What the catch bar that cylinder fixing body end face is fixedly connected and the other end is sleeved in connecting rod was collectively formed, set in the inflating rod
There is control device, the control device is by being opened in the rectangular recess being located on inflating rod surface, the control being inlaid in rectangular recess
Box body processed, the parameter setter in control box body, the signal hair in the comparator and control box body in control box body
What emitter was collectively formed.
Pressure sensor and parameter setter is electrically connected in two inputs of the comparator, and output end electrically connects
Magnetic valve is connect, when the pressure value detected is equal to setting value, the valve switch of comparator control magnetic valve is closed, and sleeve and is gone out
Separated between tracheae.
Signal projector connection end in the control box body respectively with starter one, starter two, flexible adjust
Regulating device one, extension adjustment device two, electric rotating machine starter are electrically connected with.
The model YYJ/GY1-1201 of the pressure sensor.
The inflating rod is T-shaped metallic rod.
The model 6IK250RGN-CF 6GN 30K of the electric rotating machine, electric rotating machine round end is level.
The driven gear is multilayer gradual change change-speed gearing.
The model FRU01A/MR-H of the parameter setter.
The model TLV3704IN of the comparator.
The model WLA-NWB1 of the signal projector.
The automatical air pump made using technical scheme, because it is mechanical structure, with any severe day
Can normal work and the characteristics of safety and stability under the conditions of gas；Cause the device has efficient, low cost because its motor drives
Feature.Because it uses stepless speed change device, with efficient, low energy consumption, the saving energy and the spy for improving whole device service life
Point；Because it can also realize the manual actuation in the state of power-off, with wide, simple and the characteristics of facilitate using scope.
Brief description of the drawings
Fig. 1 is the structural representation of automatical air pump of the present invention；
Fig. 2 is the fluid drive pushing mechanism magnified partial view of automatical air pump of the present invention；
Fig. 3 is the partial enlarged drawing of automatical air pump of the present invention；
Fig. 4 is the driven gear left view enlarged drawing of automatical air pump of the present invention；
Fig. 5 is the circuit diagram of automatical air pump of the present invention；
In figure, 1, sleeve；2nd, inflating rod；3rd, escape pipe；4th, pressure sensor；5th, magnetic valve；6th, connecting rod；7th, it is miniature straight
Line motor；8th, starter；9th, extension adjustment device；10th, electric rotating machine；11st, driving gear；12nd, support frame；13rd, circular hole；
14th, bearing；15th, rotating shaft；16th, driven gear；17th, circular mounting body；18th, cylinder fixing body；19th, catch bar；20th, rectangle is recessed
Groove；21st, box body is controlled；22nd, parameter setter；23rd, comparator；24th, signal projector；25th, electric rotating machine starter；26、
Miniature linear two；27th, starter two；28th, extension adjustment device two.
Embodiment
The present invention is specifically described below in conjunction with the accompanying drawings, as Figure 1-5, a kind of automatical air pump, including sleeve
(1) and inflating rod (2), the inflating rod (2) is inserted into sleeve (1), and the bottom of the sleeve (1) is connected with escape pipe (3),
Pressure sensor (4) is provided with the air outlet of the escape pipe (3), the sleeve (1) is with escape pipe (3) junction provided with electricity
Magnet valve (5), the inflating rod (2) is provided with fluid drive pushing mechanism, and the fluid drive pushing mechanism is by being fixedly mounted on
The connecting rod (6) of inflating rod (2) upper end, the miniature linear (7) being fixedly mounted on sleeve (1) outer wall, positioned at miniature straight
Starter one (8) in line motor one (7), the extension adjustment device one (9) in miniature linear one (7), with it is micro-
Miniature linear two (26) that type linear electric motors one (7) telescopic end is fixedly connected, positioned at in miniature linear two (26)
Starter two (27), the extension adjustment device two (28) in miniature linear two (26), miniature linear two
(26) electric rotating machine (10) that telescopic end is fixedly connected, the electric rotating machine starter (25) in electric rotating machine (10), with
Driving gear (11) that electric rotating machine (10) round end is fixedly connected, it is fixedly mounted on the support frame (12) of sleeve (1) outer wall, opens
In the circular hole (13) on support frame (12), the bearing (14) in circular hole (13), the rotating shaft being inserted into bearing (14)
(15) it is mutually twisted with driving gear (11) on rotating shaft (15) one end driven gear (16), a side surface, are fixedly mounted on
Center is with the circular mounting body (17) in the fixed installation of rotating shaft (15) other end, positioned at circular mounting body (17) another side surface
The cylinder fixing body (18) of edge, one end is fixedly connected with cylinder fixing body (18) end face and the other end is sleeved on connecting rod
(6) what the catch bar (19) on was collectively formed, control device is provided with the inflating rod (2), the control device is by being opened in position
In the rectangular recess (20) on inflating rod (2) surface, the control box body (21) being inlaid in rectangular recess, positioned at control box body
(21) parameter setter (22) in, the signal hair in the comparator (23) and control box body (21) in control box body (21)
Emitter (24) is collectively formed；Pressure sensor (4) and parameter is electrically connected in two inputs of the comparator (23)
Setting apparatus (22), output end is electrically connected with magnetic valve (5), when the pressure value detected is equal to setting value, comparator (23) control
The valve switch of magnetic valve (5) processed is closed, and is separated between sleeve (1) and escape pipe (3)；Signal in the control box body (21)
Transmitter (24) connection end respectively with starter one (8), starter two (27), extension adjustment device one (9), flexible adjust
Regulating device two (28), electric rotating machine starter (25) are electrically connected with；The model YYJ/GY1- of the pressure sensor (4)
1201；The inflating rod (2) is T-shaped metallic rod；The model 6IK250RGN-CF 6GN 30K of the electric rotating machine (10), rotation
Rotating motor (10) round end is level；The driven gear (16) is multilayer gradual change change-speed gearing；The parameter setter (22)
Model FRU01A/MR-H；The model TLV3704IN of the comparator (23)；The model of the signal projector (24)
For WLA-NWB1.
The characteristics of the present embodiment is that inflating rod is inserted into sleeve, and the bottom of sleeve is connected with escape pipe, escape pipe
Pressure sensor is provided with air outlet, sleeve is provided with magnetic valve with escape pipe junction, and inflating rod is pushed away provided with fluid drive
Motivation structure, fluid drive pushing mechanism is by being fixedly mounted on the connecting rod of inflating rod upper end, being fixedly mounted on sleeve outer wall
Miniature linear, the starter one in miniature linear one, the telescopic adjustment in miniature linear one
Device one, the miniature linear two being fixedly connected with the telescopic end of miniature linear one, positioned at in miniature linear two
Starter two, the extension adjustment device two in miniature linear two, the telescopic end of miniature linear two fix connect
The electric rotating machine connect, the electric rotating machine starter in electric rotating machine, the active being fixedly connected with electric rotating machine round end
Gear, the support frame for being fixedly mounted on sleeve outer wall, the circular hole being opened on support frame, the bearing in circular hole, it is inserted into
Rotating shaft in bearing, it is fixedly mounted on it is mutually twisted with driving gear on rotating shaft one end driven gear, side centre of surface
Installed with the circular mounting body, the cylinder at circular mounting body opposite side marginal surface that are fixedly mounted in the rotating shaft other end at place
Body, the catch bar that one end is fixedly connected with cylinder fixing body end face and the other end is sleeved in connecting rod are collectively formed, and are inflated
Control device is provided with bar, control device is by being opened in the rectangular recess being located on inflating rod surface, being inlaid in rectangular recess
Control box body, the parameter setter in control box body, the signal in the comparator and control box body in control box body
What transmitter was collectively formed, because it is mechanical structure, with any severe weather conditions can normal work and safety it is steady
The characteristics of determining；Cause the characteristics of device has efficient, inexpensive because its motor drives.Because it uses stepless speed change device, tool
The characteristics of having efficient, low energy consumption, save the energy and improve whole device service life；Because it can also realize the state in power-off
Lower manual actuation, with wide, simple and the characteristics of facilitate using scope.
In the present embodiment, staff, by commercial power interface, whole device is carried out in the initial start-up device
It is powered, starts the device, by all electric elements being connected in the device of the connection end on controller successively.Work as needs
Progress inflate operation when, the signal projector in control box body sends a signal to the starter in miniature linear one
One, so as to start miniature linear one, the extension adjustment device one in miniature linear one is then sent a signal to, from
And the telescopic end of miniature linear one is adjusted, while the signal projector in control box body send a signal to it is miniature
Starter two in linear electric motors two, so as to start miniature linear two, then sends a signal to miniature linear
Extension adjustment device two in two, so as to be adjusted to the telescopic end of miniature linear two, miniature linear one and micro-
Type linear electric motors two be adjusted after cause electric rotating machine round end driving gear just engaged with driven gear, and due to from
Moving gear is multilayer gradual change change-speed gearing, so as to can be realized certainly by adjusting miniature linear one and miniature linear two
Dynamic speed change, meets and starts fast and gradually slack-off demand when inflating operation, and then the signal projector in control box body will be believed
The electric rotating machine starter number being sent in electric rotating machine starts electric rotating machine, and the round end of electric rotating machine, which is rotated, to be driven actively
Pinion rotation, driving gear, which is rotated, causes the driven gear that engages to rotate so that with circle of the driven gear with rotating shaft
Shape fixing body is rotated, and drives cylinder fixing body thereon to rotate, cylinder fixing body rotates the catch bar through being sleeved in connecting rod
Promote connecting rod and inflating rod to move up and down, and pass through the escape pipe that the bottom of sleeve connects and inflate operation, while outlet
Pressure sensor is provided with the air outlet of pipe, pressure sensor and parameter setter are input a signal into comparator, work as inspection
When the pressure value measured is equal to setting value, the valve switch of comparator control magnetic valve is closed, and is separated between sleeve and escape pipe,
So as to stop inflating operation, synchronous signal transmitter sends signal so that miniature linear one, miniature linear two and rotation
Rotating motor is stopped, and using stepless speed change device, the longevity is used with efficient, low energy consumption, the saving energy and raising whole device
The characteristics of life, and in the state of power-off also can manual actuation, with wide, simple and the characteristics of facilitate using scope.
In the present embodiment, the model YYJ/GY1-1201 of pressure sensor, the model of electric rotating machine
6IK250RGN-CF 6GN 30K, the model FRU01A/MR-H of parameter setter, the model TLV3704IN of comparator, letter
The model WLA-NWB1 of number transmitter.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
Some of which part may be made some variation embodies the present invention principle, belong to protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of automatical air pump, it is characterised in that including sleeve (1) and inflating rod (2), the inflating rod (2) is inserted into set
In cylinder (1), the bottom of the sleeve (1) is connected with escape pipe (3), the air outlet of the escape pipe (3) to be passed provided with pressure
Sensor (4), the sleeve (1) is provided with magnetic valve (5) with escape pipe (3) junction, and the inflating rod (2) is provided with fluid drive
Pushing mechanism, the fluid drive pushing mechanism is by being fixedly mounted on the connecting rod (6) of inflating rod (2) upper end, being fixedly mounted on
Miniature linear (7) on sleeve (1) outer wall, the starter one (8) in miniature linear one (7), positioned at micro-
Extension adjustment device one (9) in type linear electric motors one (7), be fixedly connected with miniature linear one (7) telescopic end it is miniature
Linear electric motors two (26), positioned at the starter two (27) in miniature linear two (26), positioned at miniature linear two
(26) electric rotating machine (10) that extension adjustment device two (28), miniature linear two (26) telescopic end in are fixedly connected, position
In the electric rotating machine starter (25) in electric rotating machine (10), the driving gear being fixedly connected with electric rotating machine (10) round end
(11) support frame (12) that, is fixedly mounted on sleeve (1) outer wall, the circular hole (13) being opened on support frame (12), positioned at circular hole
(13) bearing (14) in, the rotating shaft (15) being inserted into bearing (14), be fixedly mounted on rotating shaft (15) one end itself and actively
Circle at driven gear (16) that gear (11) is mutually twisted, side centre of surface with being fixedly mounted in rotating shaft (15) other end
Fixing body (17), the cylinder fixing body (18) at circular mounting body (17) opposite side marginal surface, one end and cylinder are installed
What the catch bar (19) that body (18) end face is fixedly connected and the other end is sleeved in connecting rod (6) was collectively formed, the inflating rod
(2) control device is provided with, the control device is by being opened in the rectangular recess (20) being located on inflating rod (2) surface, being inlaid in
Control box body (21) in rectangular recess, the parameter setter (22) in control box body (21), positioned at control box body (21)
What the signal projector (24) in interior comparator (23) and control box body (21) was collectively formed.
2. a kind of automatical air pump according to claim 1, it is characterised in that two inputs of the comparator (23)
Pressure sensor (4) and parameter setter (22) is electrically connected, output end is electrically connected with magnetic valve (5), when what is detected
When pressure value is equal to setting value, the valve switch of comparator (23) control magnetic valve (5) is closed, between sleeve (1) and escape pipe (3)
Separated.
3. a kind of automatical air pump according to claim 1, it is characterised in that the signal hair in the control box body (21)
Emitter (24) connection end respectively with starter one (8), starter two (27), extension adjustment device one (9), telescopic adjustment
Device two (28), electric rotating machine starter (25) are electrically connected with.
4. a kind of automatical air pump according to claim 1, it is characterised in that the model of the pressure sensor (4)
YYJ/GY1-1201。
5. a kind of automatical air pump according to claim 1, it is characterised in that the inflating rod (2) is T-shaped metallic rod.
6. a kind of automatical air pump according to claim 1, it is characterised in that the model of the electric rotating machine (10)
6IK250RGN-CF 6GN 30K, electric rotating machine (10) round end is level.
7. a kind of automatical air pump according to claim 1, it is characterised in that the driven gear (16) is multilayer gradual change
Change-speed gearing.
8. a kind of automatical air pump according to claim 1, it is characterised in that the model of the parameter setter (22)
FRU01A/MR-H。
9. a kind of automatical air pump according to claim 1, it is characterised in that the model of the comparator (23)
TLV3704IN。
10. a kind of automatical air pump according to claim 1, it is characterised in that the model of the signal projector (24)
For WLA-NWB1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710361762.8A CN106968915B (en) | 2017-05-22 | 2017-05-22 | A kind of automatical air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710361762.8A CN106968915B (en) | 2017-05-22 | 2017-05-22 | A kind of automatical air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106968915A true CN106968915A (en) | 2017-07-21 |
| CN106968915B CN106968915B (en) | 2018-10-26 |
Family
ID=59326265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710361762.8A Active CN106968915B (en) | 2017-05-22 | 2017-05-22 | A kind of automatical air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968915B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411725A (en) * | 2019-07-30 | 2019-11-05 | 中车长春轨道客车股份有限公司 | A kind of air spring environmental test automatic inflating pressurizing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314126Y (en) * | 1997-10-20 | 1999-04-14 | 徐葆华 | Electric air pump |
| CN2386210Y (en) * | 1999-09-29 | 2000-07-05 | 许一峰 | Electric bicycle pump |
| CN201083190Y (en) * | 2007-10-25 | 2008-07-09 | 任国平 | Special-purpose inflator pump for electric bicycle |
| CN101429934A (en) * | 2007-11-09 | 2009-05-13 | 周文三 | Air compressor |
| CN201730846U (en) * | 2010-06-29 | 2011-02-02 | 丁伯龙 | Portable inflation pump |
| CN205714646U (en) * | 2016-04-29 | 2016-11-23 | 东莞和汇电子有限公司 | Can automatic inflating or the air compressor machine of venting |
-
2017
- 2017-05-22 CN CN201710361762.8A patent/CN106968915B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314126Y (en) * | 1997-10-20 | 1999-04-14 | 徐葆华 | Electric air pump |
| CN2386210Y (en) * | 1999-09-29 | 2000-07-05 | 许一峰 | Electric bicycle pump |
| CN201083190Y (en) * | 2007-10-25 | 2008-07-09 | 任国平 | Special-purpose inflator pump for electric bicycle |
| CN101429934A (en) * | 2007-11-09 | 2009-05-13 | 周文三 | Air compressor |
| CN201730846U (en) * | 2010-06-29 | 2011-02-02 | 丁伯龙 | Portable inflation pump |
| CN205714646U (en) * | 2016-04-29 | 2016-11-23 | 东莞和汇电子有限公司 | Can automatic inflating or the air compressor machine of venting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411725A (en) * | 2019-07-30 | 2019-11-05 | 中车长春轨道客车股份有限公司 | A kind of air spring environmental test automatic inflating pressurizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106968915B (en) | 2018-10-26 |
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Effective date of registration: 20201116 Address after: 10 meters southwest of the intersection of Fanyang road and Beihuan Road, Binhe office, Dingtao District, Heze City, Shandong Province Patentee after: Dingtao long pump diesel injection technology Co., Ltd Address before: 908, room 1498, 315040 Jiangnan Road, hi tech Zone, Zhejiang, Ningbo Patentee before: NINGBO ACT TOOL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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