CN108457863B - High-flow injection pump - Google Patents
High-flow injection pump Download PDFInfo
- Publication number
- CN108457863B CN108457863B CN201810064553.1A CN201810064553A CN108457863B CN 108457863 B CN108457863 B CN 108457863B CN 201810064553 A CN201810064553 A CN 201810064553A CN 108457863 B CN108457863 B CN 108457863B
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- transmission shaft
- pump
- pump body
- mixing chamber
- water inlet
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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
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a large-flow injection pump, which comprises a pump body, wherein a chute is arranged on the pump body, a sealing plate is arranged at the chute, a transmission shaft is connected onto the sealing plate, the end part of the transmission shaft is connected with a transmission rod, the upper end and the lower end of the transmission rod are respectively provided with a sliding block, each sliding block is arranged on a guide rail, each sliding block is connected with an adjusting plate, in the large-flow injection pump, the opening degree between two elastic plates can be adjusted through the transmission shaft, the inner diameter of a mixing chamber is adjusted, and the inlet friction of the mixing chamber is reduced; meanwhile, the guide ball can be adjusted to reduce the mixing friction in the mixing chamber, so that the practicability of the jet pump is improved; in addition, the steel balls in the transmission shaft are matched with the limiting grooves, so that the position of the transmission shaft is accurately adjusted, the energy utilization rate of the jet pump is further improved, and the jet flow of the jet pump is improved.
Description
Technical Field
The invention relates to the field of injection pumps, in particular to a high-flow injection pump.
Background
In the existing jet pump, in order to increase the flow of the jet pump, the flow speed of working liquid is increased, but in the jet pump, the distance from a nozzle outlet to a mixing chamber inlet is not adjustable, so that a large amount of energy is damaged, and the flow of the jet pump is reduced.
Disclosure of Invention
The invention provides a large-flow injection pump for overcoming the defects, which comprises a pump body, wherein a sliding groove is formed in the pump body, a sealing plate is arranged at the sliding groove, a transmission shaft is connected onto the sealing plate, the end part of the transmission shaft is connected with a transmission rod, the upper end and the lower end of the transmission rod are respectively provided with a sliding block, each sliding block is respectively arranged on a guide rail, each sliding block is respectively connected with an adjusting plate, the guide rail is arranged on the pump body, the guide rail is arc-shaped, and the center of the arc-shaped circle is arranged on the pump body;
the pump body comprises a working water inlet, a suction water inlet, a mixing chamber and a water outlet, wherein the working water inlet and the suction water inlet are communicated with the water outlet through the mixing chamber;
two sides of the mixing chamber are both provided with an elastic plate, and the two elastic plates correspond to the two sliding blocks one by one and are connected with each other;
and the middle part of the mixing chamber is provided with a guide ball, and the guide ball is connected with the transmission shaft.
Preferably, a through hole is formed in the joint of the transmission shaft and the sliding groove, steel balls are arranged at two ends of the through hole, the two steel balls are connected with each other through an elastic assembly, a limiting groove matched with the steel balls is formed in the inner wall of the sliding groove, the steel balls can be extruded into the through hole through the groove wall of the sliding groove when the transmission shaft moves, after the transmission shaft moves to a specified position, the steel balls can be matched with the limiting groove in the corresponding position, the transmission shaft can be reliably limited and fixed, and meanwhile, the guide ball can be reliably adjusted.
Preferably, the elastic component is a spring, and the spring is always in a compressed state.
Preferably, the guide rails are located at two ends of the elastic plate and fixedly connected with the pump body, so as to realize reliable fixation of the guide rails.
Preferably, both ends of each elastic plate are connected with the pump body, a notch is formed in the outer side of each elastic plate, the adjusting plate is located inside the corresponding notch, and the sliding block can move in the notch in the moving process of the sliding block, so that the elastic plates can be reliably stretched.
Preferably, in order to improve the sealing performance between the sealing plate and the sliding groove and prevent water leakage, a sealing strip is arranged between the sealing plate and the sliding groove.
Preferably, in order to facilitate the installation of the pump body, the working water inlet, the suction water inlet and the drain outlet are provided with a flange.
Preferably, in order to improve the corrosion resistance of the pump body, the outer surface of the pump body is coated with a corrosion-resistant paint.
The invention has the beneficial effects that: in the high-flow jet pump, the opening degree between the two elastic plates can be adjusted through the transmission shaft to adjust the inner diameter of the mixing chamber, so that the inlet friction of the mixing chamber is reduced; meanwhile, the guide ball can be adjusted to reduce the mixing friction in the mixing chamber, so that the practicability of the jet pump is improved; and the steel ball in the transmission shaft is matched with the limiting groove, so that the position of the transmission shaft is accurately adjusted, the energy utilization rate of the jet pump is further improved, and the jet flow of the jet pump is improved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of the present invention;
fig. 3 is a schematic view of the internal structure of the propeller shaft of the present invention.
In the figure: 1. the pump body, 2. the sealing plate, 3. the transmission shaft, 4. the transmission rod, 5. the slide block, 6. the guide rail, 7. the adjusting plate, 8. the guide ball, 9. the through hole, 10. the spring, 11. the steel ball, 1-1. the working water inlet, 1-2 nozzles, 1-3. the suction water inlet, 1-4. the mixing chamber, 1-5. the elastic plate, 1-6. the water outlet.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 and 2, a large-flow injection pump includes a pump body 1, the pump body 1 is provided with a chute, a sealing plate 2 is arranged at the chute, the sealing plate 2 is connected with a transmission shaft 3, the end of the transmission shaft 3 is connected with a transmission rod 4, the upper end and the lower end of the transmission rod 4 are both provided with a slider 5, each slider 5 is respectively arranged on a guide rail 6, each slider 5 is respectively connected with an adjusting plate 7, the guide rail 6 is arranged on the pump body 1, the guide rail 6 is arc-shaped, and the center of the arc-shaped circle is on the pump body 1; the pump body 1 comprises a working water inlet 1-1, a suction water inlet 1-3, a mixing chamber 1-4 and a water outlet 1-6, wherein the working water inlet 1-1 and the suction water inlet 1-3 are communicated with the water outlet 1-6 through the mixing chamber 1-4, the pump body is also internally provided with a nozzle 1-2, the outer end of the nozzle 1-2 is communicated with the working water inlet 1-1, the inner end of the nozzle is positioned at the inlet of the mixing chamber 1-4, and the sectional area of the inner end of the nozzle 1-2 is smaller than that of the outer end of the nozzle, so that the structure can increase the flow rate; two sides of the mixing chamber 1-4 are both provided with an elastic plate 1-5, and the two elastic plates 1-5 and the two sliding blocks 5 are in one-to-one correspondence and are mutually connected; the middle part of the mixing chamber 1-4 is provided with a guide ball 8, and the guide ball 8 is connected with the transmission shaft 3; the guide rails 6 are positioned at two ends of the elastic plates 1-5 and are fixedly connected with the pump body 1; two ends of each elastic plate 1-5 are connected with the pump body 1, the outer side of each elastic plate 1-5 is provided with a slot, and the adjusting plate 7 is positioned in the corresponding slot; a sealing strip is arranged between the sealing plate 2 and the sliding groove; a flange is arranged at each of the working water inlet 1-1, the suction water inlet 1-3 and the water outlet 1-6; the periphery of the pump body 1 is coated with anticorrosive paint.
As shown in fig. 3, a through hole 9 is formed at the joint of the transmission shaft 3 and the chute, two steel balls 11 are respectively arranged at two ends of the through hole 9, the two steel balls 11 are connected with each other through an elastic component, a limit groove matched with the steel balls 11 is formed in the inner wall of the chute, the elastic component is a spring 10, the spring 10 is always in a compression state, when the transmission shaft 3 moves, the steel balls 11 are extruded into the through hole 9 through the groove wall of the chute, after the transmission shaft 3 moves to a specified position, the steel balls 11 are matched with the limit grooves at the corresponding positions, the transmission shaft 3 can perform reliable limit fixing, and meanwhile, the guide ball 8 can be reliably adjusted.
In the jet pump, the loss of the mixing chamber is the largest, and is mainly divided into the inlet loss of the mixing chamber 1-4 and the friction loss inside the mixing chamber 1-4. The invention not only reduces the loss of the inlet, but also reduces the friction loss in the mixing chamber through the design of the transmission shaft, the elastic plate and the guide ball. In addition, the position of the transmission shaft is accurately adjusted through matching of the steel balls in the transmission shaft and the limiting grooves, the energy utilization rate of the jet pump is further improved, and the jet flow of the jet pump is improved.
When the speed of the working water inlet 1-1 is increased, the inlet of the mixing chamber 1-4 is damaged by a large amount of energy due to the undersize pore diameter, and the jet flow is influenced; at the moment, the transmission rod 4 is controlled to move through the transmission shaft 3, the transmission rod 4 can control the adjusting plate 7 to move through the sliding block 5, and the adjusting plate 7 can pull the angle of the elastic plate 1-5 under the action of the guide rail 6, so that the aperture of the mixing chamber 1-4 can be adjusted, and the loss of an inlet of the mixing chamber 1-4 is reduced; when the working water and the suction water are mixed, a large amount of friction is generated, the suction water is generally mixed with the working water from the periphery, and friction loss is caused due to inertia and multidirectional suction water impact; at this moment, a guide ball 8 is arranged at the critical position where the inertia of the suction water flows, so that the suction water in all directions can be well separated, the friction loss is reduced, and the position of the guide ball 8 can be adjusted and optimized according to the transmission shaft 3 according to the change of the flow speed of the working water, so that the practicability of the jet pump is improved.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A high-flow injection pump is characterized in that: the pump comprises a pump body, wherein a sliding groove is formed in the pump body, a sealing plate is arranged at the sliding groove, a transmission shaft is connected onto the sealing plate, a transmission rod is connected onto the end portion of the transmission shaft, sliding blocks are arranged at the upper end and the lower end of the transmission rod, each sliding block is arranged on a guide rail, each sliding block is connected with an adjusting plate, the guide rails are arranged on the pump body, the guide rails are arc-shaped, and the circle center of the arc is arranged on the pump body; the pump body comprises a working water inlet, a suction water inlet, a mixing chamber and a water outlet, wherein the working water inlet and the suction water inlet are communicated with the water outlet through the mixing chamber; two sides of the mixing chamber are both elastic plates, the two elastic plates correspond to the two sliding blocks one by one and are mutually connected, two ends of each elastic plate are connected with the pump body, the outer side of each elastic plate is provided with a slot, and the adjusting plate is positioned in the corresponding slot; and the middle part of the mixing chamber is provided with a guide ball, and the guide ball is connected with the transmission shaft.
2. The high flow rate jet pump of claim 1, characterized in that: the transmission shaft is characterized in that a through hole is formed in the joint of the transmission shaft and the sliding groove, two steel balls are arranged at two ends of the through hole and are connected with each other through an elastic assembly, and a limiting groove matched with the steel balls is formed in the inner wall of the sliding groove.
3. The high flow rate jet pump of claim 2, characterized in that: the elastic component is a spring which is always in a compressed state.
4. The high flow rate jet pump of claim 1, characterized in that: the guide rails are located at two ends of the elastic plate and fixedly connected with the pump body.
5. The high flow rate jet pump of claim 1, characterized in that: and a sealing strip is arranged between the sealing plate and the sliding groove.
6. The high flow rate jet pump of claim 1, characterized in that: and the working water inlet, the suction water inlet and the water outlet are respectively provided with a flange.
7. The high flow rate jet pump of claim 1, characterized in that: the outer surface of the pump body is coated with anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064553.1A CN108457863B (en) | 2018-01-23 | 2018-01-23 | High-flow injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064553.1A CN108457863B (en) | 2018-01-23 | 2018-01-23 | High-flow injection pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457863A CN108457863A (en) | 2018-08-28 |
| CN108457863B true CN108457863B (en) | 2020-11-27 |
Family
ID=63238645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064553.1A Active CN108457863B (en) | 2018-01-23 | 2018-01-23 | High-flow injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108457863B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049291U (en) * | 1988-09-07 | 1989-12-13 | 陈立成 | High-efficiency jet pump |
| CN2244111Y (en) * | 1995-05-18 | 1997-01-01 | 李宁 | Streight clamping hydraulic spray pump |
| DE10016924A1 (en) * | 2000-04-05 | 2001-07-12 | Voith Paper Patent Gmbh | Jet pump has two fluid feeds to be mixed for delivery where the jet tube has an axial adjustment against the mixer tube which can be set and varied while the pump is operating |
| CN202176556U (en) * | 2011-08-15 | 2012-03-28 | 中冶京诚工程技术有限公司 | Injector with adjustable nozzle distance |
| CN202971352U (en) * | 2012-12-18 | 2013-06-05 | 湖南凌天科技有限公司 | Jet pump for oil return of water source heat pump air conditioning compressor |
| CN204175677U (en) * | 2014-10-22 | 2015-02-25 | 江苏振华泵业制造有限公司 | Vapour-liquid is polyblended type jet pump |
-
2018
- 2018-01-23 CN CN201810064553.1A patent/CN108457863B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049291U (en) * | 1988-09-07 | 1989-12-13 | 陈立成 | High-efficiency jet pump |
| CN2244111Y (en) * | 1995-05-18 | 1997-01-01 | 李宁 | Streight clamping hydraulic spray pump |
| DE10016924A1 (en) * | 2000-04-05 | 2001-07-12 | Voith Paper Patent Gmbh | Jet pump has two fluid feeds to be mixed for delivery where the jet tube has an axial adjustment against the mixer tube which can be set and varied while the pump is operating |
| CN202176556U (en) * | 2011-08-15 | 2012-03-28 | 中冶京诚工程技术有限公司 | Injector with adjustable nozzle distance |
| CN202971352U (en) * | 2012-12-18 | 2013-06-05 | 湖南凌天科技有限公司 | Jet pump for oil return of water source heat pump air conditioning compressor |
| CN204175677U (en) * | 2014-10-22 | 2015-02-25 | 江苏振华泵业制造有限公司 | Vapour-liquid is polyblended type jet pump |
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| Publication number | Publication date |
|---|---|
| CN108457863A (en) | 2018-08-28 |
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| CB02 | Change of applicant information |
Address after: 315000 No. 665 Mt. Hengshan West Road, Beilun District, Ningbo, Zhejiang. Applicant after: Ningbo volley Technology Co., Ltd. Address before: 315000 No. 665 Mt. Hengshan West Road, Beilun District, Ningbo, Zhejiang. Applicant before: Ningbo Marquis Hi-Tech. Co., Ltd. |
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