CN107740770A - A kind of mini-type punching is molded self priming pump - Google Patents
A kind of mini-type punching is molded self priming pump Download PDFInfo
- Publication number
- CN107740770A CN107740770A CN201711132298.1A CN201711132298A CN107740770A CN 107740770 A CN107740770 A CN 107740770A CN 201711132298 A CN201711132298 A CN 201711132298A CN 107740770 A CN107740770 A CN 107740770A
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- Prior art keywords
- water inlet
- segment
- stator
- outlet
- inlet
- 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.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 18
- 230000037452 priming Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of mini-type punching to be molded self priming pump, including motor, water inlet-outlet segment, base, water inlet-outlet segment is provided with water inlet, delivery port, impeller is connected with the output shaft of motor, sealing seat board is equiped between impeller and motor, mechanical seal, sealing seat board is assemblied on motor, mechanical seal is sheathed on the output shaft of motor, mechanical seal is arranged between sealing seat board and impeller, stator and stator seat are provided with inside water inlet-outlet segment, stator is coaxially disposed and is arranged on impeller with impeller, the stator other end is connected on stator seat, ejector is equiped with water inlet-outlet segment between stator and water inlet, water inlet-outlet segment, seal seat board, motor is installed on base；Compared with the existing technology, structure is novel, simple, reasonable in design, and water pump suction lift improves by the present invention, lift increase, efficiency improve, and solve the problems, such as that casting water pump gets rusty polluted water, and alleviate water pump weight and make whole water pump lighting, and it is environmentally friendly, it is worthy of popularization.
Description
[technical field]
The present invention relates to water pump technology, specifically a kind of mini-type punching injection self priming pump.
[background technology]
At present, existing small-sized self priming pump is all generally open type centrifugal impeller or Scroll-tupe impeller, causes that suction is low, lift
It is low, self-priming time is long, efficiency is low, and the manufacture usual method of traditional water pump is casting, and it is that a kind of power consumption is high, consumptive material to cast
The technique that more, labor intensity is big, has pollution to environment；For some parts of low-capacity pump, such as impeller, its exit width is very
It is narrow, it the difficulty such as can not cast because technique limits, whole water pump is heavier, and water pump easily gets rusty, and has certain pollution to water quality.
[content of the invention]
A kind of mini-type punching injection self priming pump is provided present invention aim to solve above-mentioned deficiency, is not only improved
Water pump suction lift, adds lift, improves efficiency, and weight is light, environmental protection, solves conventional cast water pump and gets rusty pollution
The problem of water quality.
A kind of mini-type punching injection self priming pump, including motor 1, water inlet-outlet segment 9, base 13 are designed to achieve the above object,
The water inlet-outlet segment 9 is provided with water inlet 8, delivery port 6, and impeller 5, the impeller 5 and electricity are connected with the output shaft of the motor 1
Sealing seat board 3, mechanical seal 2 are equiped between machine 1, the sealing seat board 3 is assemblied on motor 1, and the mechanical seal 2 is arranged
In on the output shaft of motor 1, the mechanical seal 2 is arranged between sealing seat board 3 and impeller 5, is set inside the water inlet-outlet segment 9
There are stator 12 and stator seat 11, the stator 12 is coaxially disposed with impeller 5 and on impeller 5, the other end of stator 12
It is connected on stator seat 11, is equiped with ejector 10, the Inlet and outlet water in the water inlet-outlet segment 9 between stator 12 and water inlet 8
Section 9, sealing seat board 3, motor 1 are installed on base 13.
Further, sealing ring 1 is provided between the liquid feeding end and ejector 10 of the water inlet-outlet segment 9, and passes through sealing
One 7 formation sealings are enclosed, sealing ring 24 is provided between the water inlet-outlet segment 9 and sealing seat board 3, and it is close by the formation of sealing ring 24
Envelope.
Further, the water inlet-outlet segment 9 is made by stainless steel plate punching press and is molded, and the water inlet 8, delivery port 6 weld
It is connected on water inlet-outlet segment 9, the water inlet 8, delivery port 6 are threaded connection mouth.
Further, the sealing seat board 3, impeller 5 make by stainless steel plate punch welding and are molded, the ejector
10th, stator seat 11, stator 12 are made using Shooting Technique.
Further, the ejector 10 includes inlet segment one, inlet segment two, water exit end, and the inlet segment one includes inhaling
Liquid inlet 21 and suction room 22, the entrance connection water inlet 8 for inhaling liquid inlet 21, the outlet connection for inhaling liquid inlet 21 are inhaled
Enter the room 22 entrance, the inlet segment two includes hydraulic fluid entrance 24 and nozzle 25, and the inlet segment two falls in upper big, lower small
Pyramidal structure, the arrival end for having hydraulic fluid entrance 24 to be arranged on inlet segment two, the nozzle 25 are arranged on going out for inlet segment two
Mouthful end, the water exit end include throat 26, anemostat 27, mixed liquor delivery port 28, the outlet of the suction room 22, nozzle 25
Outlet is connected with throat 26 respectively, and the entrance of the outlet connection anemostat 27 of the throat 26, the outlet of the anemostat 27 connects
Mixed liquor delivery port 28 is connect, impeller 5 is connected with the mixed liquor delivery port 28.
Further, it is described have barrier 23 is provided between hydraulic fluid entrance 24 and nozzle 25, the barrier 23 be used for will have
Press liquid shunting is to prevent vortex from producing, and the diameter of the anemostat 27 gradually increases from top to bottom, the mixed liquor delivery port
28 diameter gradually increases from top to bottom.
The present invention compared with the existing technology, has the following advantages that：
(1) structure is novel, simple, reasonable in design, and water pump suction lift improves, and lift increase, efficiency improves, and solves casting water
Pump get rusty polluted water the problem of, and weight is light, is worthy of popularization；
(2) by the improvement of process structure, the technical performance and operational efficiency of pump are improved, by water pump water inlet-outlet segment, leaf
Wheel, sealing seat board component made in the method for Sheet Metal Forming Technology of stainless steel plate material by original cast member, while water pump is led
Leaf, stator seat, ejector make of Shooting Technique, and both having alleviated water pump weight makes whole water pump lighting, and environmentally friendly, Shui Jingshui
Do not polluted after pump and use water；
(3) ejector adds barrier, then can prevent vortex from producing, and improves efficiency, and intake-outlet is threaded connection mouth,
Water pipe connection is more convenient.
[brief description of the drawings]
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of ejector in the present invention；
In figure：1st, motor 2, mechanical seal 3, sealing seat board 4, sealing ring 25, impeller 6, delivery port 7, sealing ring 1, enter
The mouth of a river 9, water inlet-outlet segment 10, ejector 11, stator seat 12, stator 13, base 21, inhale liquid inlet 22, suction room 23, barrier 24,
There are hydraulic fluid entrance 25, nozzle 26, throat 27, anemostat 28, mixed liquor delivery port.
[embodiment]
The present invention is made below in conjunction with the accompanying drawings further explained below：
As shown in Figure 1, the present invention includes：Motor 1, water inlet-outlet segment 9, base 13, water inlet-outlet segment 9 are provided with water inlet 8, gone out
The mouth of a river 6, impeller 5 is connected with the output shaft of motor 1, sealing seat board 3, mechanical seal 2 are equiped between impeller 5 and motor 1, it is close
Envelope seat board 3 is assemblied on motor 1, and mechanical seal 2 is sheathed on the output shaft of motor 1, and mechanical seal 2 is arranged on sealing seat board 3
Between impeller 5, the inside of water inlet-outlet segment 9 is provided with stator 12 and stator seat 11, and stator 12 is coaxially disposed with impeller 5 and is arranged on leaf
On wheel 5, the other end of stator 12 is connected on stator seat 11, and ejector is equiped between stator 12 and water inlet 8 in water inlet-outlet segment 9
10, sealing ring 1 is provided between the liquid feeding end and ejector 10 of water inlet-outlet segment 9, and formed and sealed by sealing ring 1, disengaging
Sealing ring 24 is provided between water section 9 and sealing seat board 3, and is formed and sealed by sealing ring 24, water inlet-outlet segment 9, sealing seat board
3rd, motor 1 is installed on base 13；Water inlet-outlet segment 9 is made by stainless steel plate punching press and is molded, and water inlet 8, delivery port 6 weld
On water inlet-outlet segment 9, water inlet 8, delivery port 6 are threaded connection mouth, and sealing seat board 3, impeller 5 weld by stainless steel plate punching press
Making shaping is connect, ejector 10, stator seat 11, stator 12 are made using Shooting Technique.
As shown in Figure 2, ejector 10 includes inlet segment one, inlet segment two, water exit end, and inlet segment one includes inhaling liquid inlet
21 with suction room 22, and the entrance for inhaling liquid inlet 21 connects water inlet 8, inhales the entrance for exporting connection suction room 22 of liquid inlet 21,
Inlet segment two includes hydraulic fluid entrance 24 and nozzle 25, and inlet segment two is in the inverted cone-shaped structure of upper big, lower small, there is hydraulic fluid entrance 24
The arrival end of inlet segment two is arranged on, nozzle 25 is arranged on the port of export of inlet segment two, and water exit end includes throat 26, anemostat
27th, mixed liquor delivery port 28, outlet, the outlet of nozzle 25 of suction room 22 are connected with throat 26 respectively, and the outlet of throat 26 connects
The entrance of anemostat 27 is connect, the outlet of anemostat 27 connects mixed liquor delivery port 28, impeller is connected with mixed liquor delivery port 28
5；Wherein, have and barrier 23 is provided between hydraulic fluid entrance 24 and nozzle 25, barrier 23 is used for there be press liquid shunting to prevent whirlpool
Miscarriage life, improves efficiency, and the diameter of anemostat 27 gradually increases from top to bottom, the diameter of mixed liquor delivery port 28 from top to bottom by
It is cumulative big.
In the present invention, water pump water inlet-outlet segment is provided with water inlet, delivery port, and punching press injection self priming pump includes motor, on motor
Sealing seat board, mechanical seal, impeller are equipped with, stator and stator seat is provided with inside water inlet-outlet segment, is set between water inlet-outlet segment and stator
There is ejector, ejector, stator seat, stator, sealing seat board and motor connection are assembled on base by water inlet-outlet segment, water inlet-outlet segment
It is provided with to be formed into mouth sealing ring one between ejector and seals, is formed between water inlet-outlet segment and sealing seat board provided with sealing ring two close
Envelope；Water inlet-outlet segment is made by stainless steel plate punching press be molded completely, and water inlet and delivery port are welded on water inlet-outlet segment, intake-outlet
To be threadedly coupled mouth, so that pipeline connection is more convenient.
During ejector work of the present invention, there is press liquid from there is the entrance of hydraulic fluid entrance, can be in the exit shape of nozzle
Into vacuum, because barrier there will be press liquid to be shunted, to prevent the generation of vortex, pass through suction from the liquid for inhaling liquid inlet suction
Enter the room and flow to vacuum low-pressure position, and with there is press liquid to be vigorously mixed at throat, then pass through the blended liquid water outlet of anemostat
Mouth enters water pump, and efficient material transmission is formed in whole process.
The present invention is simultaneously not limited to the embodiments described above limitation, other any Spirit Essences and principle without departing from the present invention
Lower made change, modification, replacement, combination, simplification, should be equivalent substitute mode, be included in the protection model of the present invention
Within enclosing.
Claims (6)
1. a kind of mini-type punching is molded self priming pump, it is characterised in that：It is described including motor (1), water inlet-outlet segment (9), base (13)
Water inlet-outlet segment (9) is provided with water inlet (8), delivery port (6), and impeller (5), the leaf are connected with the output shaft of the motor (1)
Sealing seat board (3), mechanical seal (2) are equiped between wheel (5) and motor (1), the sealing seat board (3) is assemblied in motor (1)
On, the mechanical seal (2) is sheathed on the output shaft of motor (1), the mechanical seal (2) be arranged on sealing seat board (3) with
Between impeller (5), stator (12) and stator seat (11), the stator (12) and impeller (5) are provided with inside the water inlet-outlet segment (9)
It is coaxially disposed and is arranged on impeller (5), stator (12) other end is connected on stator seat (11), the water inlet-outlet segment
(9) ejector (10), the water inlet-outlet segment (9), sealing seat board (3), motor are equiped between interior stator (12) and water inlet (8)
(1) it is installed on base (13).
2. mini-type punching as claimed in claim 1 is molded self priming pump, it is characterised in that：The liquid feeding end of the water inlet-outlet segment (9)
Be provided with sealing ring one (7) between ejector (10), and formed and sealed by sealing ring one (7), the water inlet-outlet segment (9) with it is close
Sealing ring two (4) is provided between envelope seat board (3), and is formed and sealed by sealing ring two (4).
3. mini-type punching as claimed in claim 2 is molded self priming pump, it is characterised in that：The water inlet-outlet segment (9) is by stainless steel
Plate punching press makes shaping, and the water inlet (8), delivery port (6) are welded on water inlet-outlet segment (9), the water inlet (8), gone out
The mouth of a river (6) is threaded connection mouth.
4. mini-type punching as claimed in claim 3 is molded self priming pump, it is characterised in that：The sealing seat board (3), impeller (5)
Make and be molded by stainless steel plate punch welding, the ejector (10), stator seat (11), stator (12) use Shooting Technique
It is made.
5. mini-type punching as claimed in claim 4 is molded self priming pump, it is characterised in that：The ejector (10) includes inlet segment
First, inlet segment two, water exit end, the inlet segment one include inhaling liquid inlet (21) and suction room (22), the suction liquid inlet (21)
Entrance connection water inlet (8), the entrance of outlet connection suction room (22) for inhaling liquid inlet (21), the inlet segment two wraps
Hydraulic fluid entrance (24) and nozzle (25) are included, the inlet segment two is in the inverted cone-shaped structure of upper big, lower small, described to have hydraulic fluid entrance
(24) arrival end of inlet segment two is arranged on, the nozzle (25) is arranged on the port of export of inlet segment two, and the water exit end includes
Throat (26), anemostat (27), mixed liquor delivery port (28), the outlet of suction room (22), the outlet difference of nozzle (25)
It is connected with throat (26), the entrance of the outlet connection anemostat (27) of the throat (26), the outlet of the anemostat (27) connects
Mixed liquor delivery port (28) is connect, mixed liquor delivery port (28) place is connected with impeller (5).
6. mini-type punching injection self priming pump as claimed in claim 5, it is characterised in that：It is described to have hydraulic fluid entrance (24) and nozzle
(25) barrier (23) is provided between, the barrier (23) is used to have press liquid shunting to prevent vortex from producing, the diffusion
The diameter of pipe (27) gradually increases from top to bottom, and the diameter of the mixed liquor delivery port (28) gradually increases from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132298.1A CN107740770A (en) | 2017-11-15 | 2017-11-15 | A kind of mini-type punching is molded self priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132298.1A CN107740770A (en) | 2017-11-15 | 2017-11-15 | A kind of mini-type punching is molded self priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740770A true CN107740770A (en) | 2018-02-27 |
Family
ID=61234636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711132298.1A Pending CN107740770A (en) | 2017-11-15 | 2017-11-15 | A kind of mini-type punching is molded self priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740770A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167194A (en) * | 2018-03-01 | 2018-06-15 | 浙江吉康泵业有限公司 | A kind of novel self suction type centrifugal pump |
| CN112426948A (en) * | 2020-10-27 | 2021-03-02 | 周宁县善长祥农业机械研发有限公司 | Liquid mixing pump and working method thereof |
| CN114087206A (en) * | 2021-12-02 | 2022-02-25 | 江苏滔海机械制造有限公司 | Horizontal vacuum self-sucking pump |
| CN114992133A (en) * | 2022-06-09 | 2022-09-02 | 宁波君禾智能科技有限公司 | Self-suction type injection pump |
| US12038022B2 (en) | 2022-06-09 | 2024-07-16 | Ningbo Junhe Intelligent Technology Co., Ltd | Self-priming jet pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367801Y (en) * | 1999-01-14 | 2000-03-08 | 阳江市新粤华不锈钢泵有限公司 | Jet type self-suction centrifugal pump |
| CN102297165A (en) * | 2010-06-23 | 2011-12-28 | 中国农业大学 | Guide vane type rotary spraying jet pump |
| CN204493207U (en) * | 2015-02-11 | 2015-07-22 | 张诗山 | Jet type self-suction centrifugal pump |
| CN205207202U (en) * | 2015-10-20 | 2016-05-04 | 芜湖环球汽车配件有限公司 | Self sucking spray pump |
| CN106401982A (en) * | 2016-11-30 | 2017-02-15 | 上海中韩杜科泵业制造有限公司 | Miniature stamped pump |
| CN205977708U (en) * | 2016-08-29 | 2017-02-22 | 浙江人民泵业有限公司 | Injection formula is from inhaling charge pump |
| CN206190547U (en) * | 2016-09-29 | 2017-05-24 | 周宁县善长祥农业机械研发有限公司 | Doublestage jet pump |
| CN207813952U (en) * | 2017-11-15 | 2018-09-04 | 上海中韩杜科泵业制造有限公司 | A kind of novel small-sized self priming pump |
-
2017
- 2017-11-15 CN CN201711132298.1A patent/CN107740770A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367801Y (en) * | 1999-01-14 | 2000-03-08 | 阳江市新粤华不锈钢泵有限公司 | Jet type self-suction centrifugal pump |
| CN102297165A (en) * | 2010-06-23 | 2011-12-28 | 中国农业大学 | Guide vane type rotary spraying jet pump |
| CN204493207U (en) * | 2015-02-11 | 2015-07-22 | 张诗山 | Jet type self-suction centrifugal pump |
| CN205207202U (en) * | 2015-10-20 | 2016-05-04 | 芜湖环球汽车配件有限公司 | Self sucking spray pump |
| CN205977708U (en) * | 2016-08-29 | 2017-02-22 | 浙江人民泵业有限公司 | Injection formula is from inhaling charge pump |
| CN206190547U (en) * | 2016-09-29 | 2017-05-24 | 周宁县善长祥农业机械研发有限公司 | Doublestage jet pump |
| CN106401982A (en) * | 2016-11-30 | 2017-02-15 | 上海中韩杜科泵业制造有限公司 | Miniature stamped pump |
| CN207813952U (en) * | 2017-11-15 | 2018-09-04 | 上海中韩杜科泵业制造有限公司 | A kind of novel small-sized self priming pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167194A (en) * | 2018-03-01 | 2018-06-15 | 浙江吉康泵业有限公司 | A kind of novel self suction type centrifugal pump |
| CN112426948A (en) * | 2020-10-27 | 2021-03-02 | 周宁县善长祥农业机械研发有限公司 | Liquid mixing pump and working method thereof |
| CN114087206A (en) * | 2021-12-02 | 2022-02-25 | 江苏滔海机械制造有限公司 | Horizontal vacuum self-sucking pump |
| CN114992133A (en) * | 2022-06-09 | 2022-09-02 | 宁波君禾智能科技有限公司 | Self-suction type injection pump |
| US12038022B2 (en) | 2022-06-09 | 2024-07-16 | Ningbo Junhe Intelligent Technology Co., Ltd | Self-priming jet pump |
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