WO2020151107A1

WO2020151107A1 - Swing bearing-driven plunger booster pump

Info

Publication number: WO2020151107A1
Application number: PCT/CN2019/083348
Authority: WO
Inventors: 姚挽荣
Original assignee: 姚挽荣
Priority date: 2019-01-24
Filing date: 2019-04-19
Publication date: 2020-07-30
Also published as: CN209671153U

Abstract

Disclosed is a swing bearing-driven plunger booster pump, comprising a pump body (1), wherein a booster pump plunger (2) is arranged in the pump body (1), a first pressurizing chamber (3) is formed between the pump body (1) and one end of the booster pump plunger (2), a second pressurizing chamber (4) is formed between the pump body (1) and the other end of the booster pump plunger (2), a driving assembly is connected to the booster pump plunger (2), and the driving assembly drives the booster pump plunger (2) to execute an axial reciprocating motion between the first pressurizing chamber (3) and the second pressurizing chamber (4), so that the first pressurizing chamber (3) and the second pressurizing chamber (4) can perform pressurization and liquid feeding in an alternate manner, and the pressurizing efficiency of the booster pump is improved.

Description

Swing bearing driven plunger booster pump

Technical field

The utility model belongs to the technical field of high-pressure cleaners, in particular to a plunger booster pump driven by a swing bearing.

Background technique

The plunger pump is an important device of the hydraulic system. It relies on the reciprocating movement of the plunger in the cylinder to change the volume of the sealed working cavity to achieve water absorption and pressure. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow adjustment. Plunger pumps are widely used in occasions where high pressure, large flow and flow need to be adjusted, such as hydraulic presses, construction machinery and ships. Usually the booster pump has insufficient pressurizing flow and low efficiency.

Utility model content

The purpose of the utility model is to solve the above-mentioned technical problems in the prior art, and provide a swing bearing-driven plunger booster pump, which can alternately pressurize and feed liquid in the first booster chamber and the second booster chamber, thereby improving the booster pump The pressure efficiency, the booster pump plunger moves back and forth to complete the pressure increase and pressure reduction twice, increasing the flow rate.

In order to solve the above technical problems, the present utility model adopts the following technical solutions:

Swing bearing drives plunger booster pump, including

The pump body is equipped with a booster pump plunger,

Its characteristics are:

The pump body and one end of the booster pump plunger form a first pressurizing chamber. The booster pump plunger is connected with a drive assembly. The drive assembly drives the booster pump plunger to perform axial reciprocating movement in the first pressurizing chamber, which can control water Perform pressurization to improve pressurization flow and efficiency.

Furthermore, the pump body and the other end of the booster pump plunger form a second booster chamber, and the drive assembly drives the booster pump plunger to perform axial reciprocating movement between the first booster chamber and the second booster chamber to boost pressure Both ends of the pump plunger are used to pressurize the booster chamber. When the booster pump plunger moves to the first booster chamber, the space of the first booster chamber is reduced, and the pressure of the first booster chamber increases. When the water is squeezed out, the space of the second pressurizing chamber is increased, the pressure of the second pressurizing chamber is reduced, and the second pressurizing chamber is filled with water. When the plunger of the booster pump moves to the second pressurizing chamber, the first increase The pressure chamber and the second pressure chamber are in an alternating state. The two-way pressure of the booster pump plunger can improve the boosting efficiency of the booster pump. The booster pump plunger moves back and forth to complete two pressures and pressures to increase the flow.

Further, the drive assembly includes a swing bearing, the swing bearing is connected with a gear, and the gear is connected with a power source. The power source can be a motor. The rotation of the power source is converted into a swing through the swing bearing, so that the booster pump plunger can move back and forth in one motion. Complete two pressurizations. The swing bearing can make the pressure of the booster pump plunger uniform, move more smoothly, and have higher efficiency.

Further, the swing bearing includes a swing bearing shaft and a swing bearing outer ring, the swing bearing shaft is rotatably connected with the swing bearing outer ring, the swing bearing shaft is connected with the gear, the swing bearing outer ring is provided with a swing rod, and the swing rod is connected to the booster pump plunger Connected, the swing bearing shaft rotates to drive the swing lever to swing. The swing bearing shaft and the central axis of the swing bearing outer ring have a certain inclination angle. When the swing bearing shaft rotates, if a tangential force opposite to the rotation direction of the swing bearing shaft is applied to the swing rod of the swing bearing outer ring, it will not When the outer ring of the swing bearing rotates with the rotating shaft of the swing bearing, the swing rod of the outer ring of the swing bearing will swing along the axial direction of the swing bearing rotating shaft.

Further, the pendulum rod is provided with a ball, the booster pump plunger is provided with a groove, and the ball is arranged in the groove. The pendulum rod drives the booster pump plunger to perform axial reciprocating motion, and the pendulum rod and the booster pump plunger are prone to wear. By setting a ball on the pendulum rod, the gap between the pendulum rod and the booster pump plunger can be effectively reduced. Friction reduces the wear of the pendulum rod and the booster pump plunger.

Further, the first pressurizing chamber is provided with a first sealing ring, which increases the airtightness of the first pressurizing chamber.

Furthermore, the second pressurizing chamber is provided with a second sealing ring, which increases the airtightness of the second pressurizing chamber.

Further, the first pressurizing chamber is provided with a first metal guide sleeve, and the second pressurizing chamber is provided with a second metal guide sleeve. The first metal guide sleeve and the second metal guide sleeve can reduce the difference between the plunger of the booster pump and the pump body. Friction between.

The utility model has the following beneficial effects due to the above technical scheme:

One end of the pump body of the utility model and the booster pump plunger forms a first booster chamber, the booster pump plunger is connected with a drive assembly, and the drive assembly drives the booster pump plunger to perform axial reciprocating movement in the first booster chamber. The utility model can pressurize the water and improve the pressurized flow rate and efficiency.

According to the utility model, when the booster pump plunger moves to the first booster chamber, the space of the first booster chamber is reduced, the pressure of the first booster chamber increases, and the water inside is squeezed out, and the space of the second booster chamber is at the same time Increase, the pressure of the second booster chamber decreases, and the second booster chamber is filled with water; when the booster pump plunger moves to the second booster chamber, the space of the second booster chamber decreases and the pressure of the second booster chamber increases Large, squeeze out the water inside, and at the same time increase the space of the first pressurizing chamber, the pressure of the first pressurizing chamber decreases, and the first pressurizing chamber is filled with water. The two-way pressurization of the booster pump plunger of the utility model can improve the pressurization efficiency of the booster pump. A back and forth movement of the booster pump plunger completes two pressurization and decompression to increase the flow rate.

The drive assembly of the utility model includes a swing bearing, the swing bearing is connected with a gear, and the gear is connected with a power source. The power source can be a motor. The rotation of the power source is converted into a swing through the swing bearing, so that the booster pump plunger can move back and forth in one motion. Complete two pressurizations. The swing bearing of the utility model can make the pressure of the booster pump plunger uniform, move more smoothly, and have higher efficiency.

Description of the drawings

The utility model will be further explained below in conjunction with the drawings:

Figure 1 is a structural schematic diagram of a plunger booster pump driven by a swing bearing of the utility model;

Figure 2 is a cross-sectional view of the booster pump plunger fully pressed into the first booster chamber in the utility model;

Figure 3 is a cross-sectional view of the booster pump plunger fully pressed into the second booster chamber in the utility model;

Figure 4 is a schematic structural view of the swing bearing in the utility model when the booster pump plunger is completely pressed into the second booster chamber;

Figure 5 is a schematic structural view of the swing bearing in the utility model when the plunger of the booster pump is completely pressed into the first booster chamber;

Figure 6 is a schematic diagram of the internal structure of the pump body in the utility model.

In the figure, 1- pump body; 2- booster pump plunger; 3- first booster chamber; 4- second booster chamber; 5- swing bearing; 6-gear; 7- swing bearing outer ring; 8- Swing bearing shaft; 9-swing rod; 10-ball; 11-groove; 12-first sealing ring; 13-first metal guide sleeve; 14-second sealing ring; 15-second metal guide sleeve.

detailed description

As shown in Figures 1 to 6, this utility model swing bearing-driven plunger booster pump includes a pump body 1. A booster pump plunger 2 is provided in the pump body 1, and the pump body 1 and the booster pump plunger 2 One end of the first pressurizing chamber 3 is formed, and the booster pump plunger 2 is connected with a drive assembly, and the drive assembly drives the booster pump plunger 2 to perform axial reciprocating movement in the first pressurizing chamber 3, which can pressurize the water. Improve pressurization flow and efficiency.

The other end of the pump body 1 and the booster pump plunger 2 forms a second booster chamber 4, and the drive assembly drives the booster pump plunger 2 to axially reciprocate between the first booster chamber 3 and the second booster chamber 4 Movement, both ends of the booster pump plunger 2 are used as booster chambers. When the booster pump plunger 2 moves to the first booster chamber 3, the space of the first booster chamber 3 is reduced and the first booster chamber 3 When the pressure increases, the water inside is squeezed out. At the same time, the space of the second booster chamber 4 increases, and the pressure of the second booster chamber 4 decreases. The second booster chamber 4 is filled with water. When the booster pump plunger 2 When moving to the second pressurizing chamber 4, the first pressurizing chamber 3 and the second pressurizing chamber 4 are in an alternating state. The two-way pressurization of the booster pump plunger 2 can improve the pressurization efficiency of the booster pump. 2 A back-and-forth movement completes two pressurization and decompression to increase the flow.

The drive assembly includes a swing bearing 5, the swing bearing 5 is connected to a gear 6, and the gear 6 is connected to a power source. The power source can be a motor. The rotation of the power source is converted into swing through the swing bearing 5, so that the booster pump plunger 2 can Complete two pressurizations in one movement back and forth. The swing bearing 5 can make the pressure of the booster pump plunger 2 uniform, move more smoothly, and have higher efficiency.

The swing bearing 5 includes a swing bearing shaft 8 and a swing bearing outer ring 7. The swing bearing shaft 8 is rotatably connected with the swing bearing outer ring 7, the swing bearing shaft 8 is connected with the gear 6, and the swing bearing outer ring 7 is provided with a swing rod 9. The rod 9 is connected with the booster pump plunger 2, and the swing bearing shaft 8 rotates to drive the swing rod 9 to swing. The swing bearing shaft 8 and the central axis of the swing bearing outer ring 7 have a certain inclination angle. When the swing bearing shaft 8 rotates, if a swing rod 9 of the swing bearing outer ring 7 rotates in the opposite direction to the swing bearing shaft 8 The tangential force prevents the swing bearing outer ring 7 from rotating with the swing bearing shaft 8, and the swing rod 9 of the swing bearing outer ring 7 will swing along the axial direction of the swing bearing shaft 8.

The pendulum rod 9 is provided with a ball 10, the booster pump plunger 2 is provided with a groove 11, and the ball 10 is arranged in the groove 11. The pendulum rod 9 drives the booster pump plunger 2 to make an axial reciprocating movement. The pendulum rod 9 and the booster pump plunger 2 are prone to wear. By setting the sphere 10 on the pendulum rod 9, the pendulum rod 9 can be effectively reduced and increased. The friction between the pump plunger 2 is reduced, and the wear of the pendulum rod 9 and the pump plunger 2 is reduced.

The first pressurizing chamber 3 is provided with a first sealing ring 12 to increase the tightness of the first pressurizing chamber 3.

The second pressurizing chamber 4 is provided with a second sealing ring 14 to increase the airtightness of the second pressurizing chamber 4.

The first pressurizing chamber 3 is provided with a first metal guide sleeve 13, and the second pressurizing chamber 4 is provided with a second metal guide sleeve 15. The first metal guide sleeve 13 and the second metal guide sleeve 15 can reduce the plunger of the booster pump 2 Friction between pump body 1.

One end of the pump body 1 of the utility model and the booster pump plunger 2 forms a first booster chamber 3. The booster pump plunger 2 is connected with a drive assembly, and the drive assembly drives the booster pump plunger 2 in the first booster chamber 3 Perform axial reciprocating motion. The utility model can pressurize the water and improve the pressurized flow rate and efficiency.

According to the utility model, when the booster pump plunger 2 moves toward the first booster chamber 3, the space of the first booster chamber 3 is reduced, and the pressure of the first booster chamber 3 increases, squeezing out the water inside, and the second booster The space of the pressure chamber 4 increases, the pressure in the second pressure chamber 4 decreases, and the second pressure chamber 4 is filled with water; when the booster pump plunger 2 moves toward the second pressure chamber 4, the second pressure chamber 4 The space is reduced, the pressure in the second pressurizing chamber 4 is increased, and the water inside is squeezed out, while the space of the first pressurizing chamber 3 is increased, the pressure of the first pressurizing chamber 3 is reduced, and the first pressurizing chamber 3 is filled with water . The two-way pressurization of the booster pump plunger 2 of the utility model can improve the pressurization efficiency of the booster pump. The booster pump plunger 2 completes two pressurization and decompression by moving back and forth to increase the flow rate.

The drive assembly of the utility model includes a swing bearing 5, the swing bearing 5 is connected with a gear 6, and the gear 6 is connected with a power source. The power source can be a motor. The rotation of the power source is converted into swing through the swing bearing 5, so that the booster pump plunger 2 Able to complete two pressurizations in one movement back and forth. The swing bearing 5 of the utility model can make the pressure of the plunger 2 of the booster pump uniform, the movement is more stable, and the efficiency is higher.

The above are only specific embodiments of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of this utility model to solve basically the same technical problems and achieve basically the same technical effects are covered by the scope of protection of this utility model.

Claims

Swing bearing drives plunger booster pump, including

The pump body is provided with a booster pump plunger,

Its characteristics are:

The pump body and one end of the booster pump plunger form a first booster chamber, the booster pump plunger is connected with a drive assembly, and the drive assembly drives the booster pump plunger in the first The pressurizing chamber performs axial reciprocating motion.
The swing bearing driven plunger booster pump according to claim 1, wherein the pump body and the other end of the booster pump plunger form a second booster chamber, and the drive assembly drives the booster The pressure pump plunger performs axial reciprocating movement between the first pressurizing chamber and the second pressurizing chamber.
The swing bearing driven plunger booster pump according to claim 1, wherein the drive assembly comprises a swing bearing, the swing bearing is connected with a gear, and the gear is connected with a power source.
The swing bearing driven plunger booster pump according to claim 3, wherein the swing bearing comprises a swing bearing shaft and a swing bearing outer ring, and the swing bearing shaft is rotatably connected with the swing bearing outer ring, so The swing bearing shaft is connected with the gear, the outer ring of the swing bearing is provided with a swing rod, the swing rod is connected with the booster pump plunger, and the swing bearing shaft rotates to drive the swing rod to swing .
The oscillating bearing driven plunger booster pump according to claim 4, wherein the swing rod is provided with a ball, the booster pump plunger is provided with a groove, and the ball is arranged in the groove .
The swing bearing-driven plunger booster pump according to claim 1, wherein the first booster chamber is provided with a first sealing ring.
The swing bearing driven plunger booster pump according to claim 2, wherein the second booster chamber is provided with a second sealing ring.
The oscillating bearing-driven plunger booster pump according to claim 2, wherein the first booster chamber is provided with a first metal guide sleeve, and the second booster chamber is provided with a second metal guide sleeve.