阅读说明：本技术 一种流体机械泵组件及应用 (Fluid mechanical pump assembly and application ) 是由 冯启清 于 2019-10-16 设计创作，主要内容包括：本发明公开了一种流体机械泵组件,包括由多个转子组成的转子组、曲柄、连杆、由多个密封壁组成密封壁组、驱动轴和悬臂轴；所述转子组中的转子均可以围绕悬臂轴进行自由转动,所述密封壁组中的密封壁数量与所述转子组中的转子数量相同,所述密封壁组中的密封壁贴合固定在与之相对应的所述转子组中的转子端壁上,所述密封壁组中的密封壁均设置连杆运动限制口,所述连杆可以在连杆运动限制口进行周期性转动,所述连杆一端安装在曲柄上；所述驱动轴设置在曲柄的中心位置,并且驱动轴可以带动曲柄进行旋转。本发明提供的流体机械泵,结构简单、密封效果好、体积小的特点,具备变容和内压缩功能,效率高、功耗低、噪音小,节能环保效果明显。(the invention discloses a fluid mechanical pump assembly, which comprises a rotor set, a crank, a connecting rod, a sealing wall set, a driving shaft and a cantilever shaft, wherein the rotor set consists of a plurality of rotors; the rotors in the rotor set can freely rotate around the cantilever shaft, the number of sealing walls in the sealing wall set is the same as that of the rotors in the rotor set, the sealing walls in the sealing wall set are attached and fixed on the end walls of the rotors in the rotor set corresponding to the sealing walls, the sealing walls in the sealing wall set are provided with connecting rod motion limiting openings, the connecting rods can periodically rotate in the connecting rod motion limiting openings, and one end of each connecting rod is mounted on a crank; the driving shaft is arranged at the center of the crank, and the driving shaft can drive the crank to rotate. The fluid mechanical pump provided by the invention has the characteristics of simple structure, good sealing effect and small volume, has the functions of capacity change and internal compression, and has the advantages of high efficiency, low power consumption, low noise and obvious energy-saving and environment-friendly effects.)

1. a fluid mechanical pump assembly, characterized by: the device comprises a rotor set (1) consisting of a plurality of rotors, a crank (2), a connecting rod (3), a sealing wall set (4) consisting of a plurality of sealing walls, a driving shaft (5) and a cantilever shaft (6);

Rotors in the rotor set (1) can freely rotate around a cantilever shaft (6), the number of sealing walls in the sealing wall set (4) is the same as that of the rotors in the rotor set (1), the sealing walls in the sealing wall set (4) are attached and fixed to the end walls of the rotors in the rotor set (1) corresponding to the sealing walls, connecting rod movement limiting openings (7) are formed in the sealing walls in the sealing wall set (4), the connecting rods (3) can periodically rotate at the connecting rod movement limiting openings (7), and one ends of the connecting rods (3) are mounted on the crank (2);

The driving shaft (5) is arranged at the center of the crank (2), and the driving shaft (5) can drive the crank (2) to rotate.

2. A fluid mechanical pump assembly as claimed in claim 1, wherein: the driving shaft (5) and the cantilever shaft (6) are eccentrically arranged.

3. A fluid mechanical pump assembly as claimed in claim 1, wherein: the number of rotors in the rotor set (1) is 2 or more.

4. a fluid mechanical pump assembly according to claim 3, wherein: the number of the rotors in the rotor group (1) is 4, and the rotors are respectively a first sector rotor (11), a second sector rotor (12), a third sector rotor (13) and a fourth sector rotor (14).

5. the fluid mechanical pump assembly of claim 4, wherein: the first sector rotor (11), the second sector rotor (12), the third sector rotor (13) and the fourth sector rotor (14) rotate freely around the cantilever shaft (6) through bearings (15).

6. a fluid mechanical pump assembly as claimed in claim 1, wherein: the thickness of the sealing wall in the sealing wall group (4) is the same as that of the connecting rod (3).

7. The fluid mechanical pump assembly of claim 5, wherein: the number of the sealing walls in the sealing wall group (4) is 4, and the end surface shape of the sealing walls is the same as that of the rotor in the rotor group (1).

8. the fluid mechanical pump assembly of claim 7, wherein: the number of the connecting rods (3) is 4, the connecting rods are respectively a first connecting rod (31), a second connecting rod (32), a second connecting rod (33) and a fourth connecting rod (34), and the first connecting rod (31), the second connecting rod (32), the second connecting rod (33) and the fourth connecting rod (34) are respectively and fixedly connected to four connecting support rods of the crank (2) through fixing shafts (8).

9. A fluid mechanical pump, characterized in that: use of a fluid mechanical pump assembly according to any of claims 1 to 8 in a liquid pump, a gas compressor pump or a vacuum pump.

10. A fluid mechanical pump, characterized in that: use of a fluid mechanical pump assembly according to any one of claims 1 to 8 in an automotive supercharger, roots blower, air conditioning compressor, roots vacuum pump, water ring vacuum pump, vane pump or slide valve pump.

Technical Field

The invention relates to a fluid mechanical pump, in particular to a fluid mechanical pump assembly and application.

Background

At present, double rotors of an automobile mechanical booster pump and a Roots vacuum pump are in gear transmission, and have no internal compression function, low efficiency, high noise and high power consumption; the liquid ring vacuum pump needs a liquid working medium, is easily polluted by the pumped gas, and increases the production cost; the rotation of the single rotor of the rotary vane pump and the slide valve pump needs a lubricating measure, the pumped fluid is easy to cause the emulsification and reduction of lubricating oil to influence the lubricating effect, the pumped fluid can be polluted during the lubrication, and the application range is greatly limited.

In order to solve the above problems, it is necessary to provide a fluid mechanical pump assembly and an application thereof to solve the problems of single function, complex structure, limited application range, and the like of the conventional mechanical pump.

Disclosure of Invention

The invention aims to provide a fluid mechanical pump assembly and application thereof.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

A fluid mechanical pump assembly comprises a rotor set consisting of a plurality of rotors, a crank, a connecting rod, a sealing wall set consisting of a plurality of sealing walls, a driving shaft and a cantilever shaft;

The rotors in the rotor set can freely rotate around the cantilever shaft, the number of sealing walls in the sealing wall set is the same as that of the rotors in the rotor set, the sealing walls in the sealing wall set are attached and fixed on the end walls of the rotors in the rotor set corresponding to the sealing walls, the sealing walls in the sealing wall set are provided with connecting rod motion limiting openings, the connecting rods can periodically rotate in the connecting rod motion limiting openings, and one end of each connecting rod is mounted on a crank;

the driving shaft is arranged at the center of the crank, and the driving shaft can drive the crank to rotate.

The invention provides a fluid mechanical pump, technically: firstly, the gear transmission of the traditional double rotors is changed into the transmission of a crank link mechanism, a gear cavity and a lubricating structure thereof are eliminated, the product structure is simpler, the product volume is reduced, the cost and the noise are reduced, and the mechanical transmission efficiency is improved; secondly, the problem that the single rotor needs to be lubricated during rotation is well solved, the product performance is improved, and the environmental protection cost is reduced; thirdly, the fan-shaped rotor pump has an internal compression function, and compared with the conventional automobile mechanical booster pump and roots vacuum pump without the internal compression function, the fan-shaped rotor pump has better performance, higher efficiency and lower noise.

The fluid mechanical pump provided by the invention can be further improved as follows:

Further, the drive shaft and the cantilever shaft are eccentrically arranged.

Further, the number of the rotors in the rotor set is 2 or more.

Further, the number of the rotors in the rotor group is 4, and the rotors are respectively a first sector rotor, a second sector rotor, a third sector rotor and a fourth sector rotor.

further, the first sector rotor, the second sector rotor, the third sector rotor and the fourth sector rotor freely rotate around the cantilever shaft through bearings.

Further, the thickness of the sealing wall in the sealing wall group is the same as that of the connecting rod.

Further, the number of the sealing walls in the sealing wall group is 4, and the end face shape of the sealing wall is the same as that of the rotor in the rotor group.

Furthermore, the number of the connecting rods is 4, the connecting rods are respectively a first connecting rod, a second connecting rod and a fourth connecting rod, and the first connecting rod, the second connecting rod and the fourth connecting rod are respectively and fixedly connected to the four connecting supporting rods of the crank through fixing shafts.

The beneficial effects of adopting the above further scheme are as follows:

1. The invention provides a fluid mechanical pump, and relates to a sector rotor pump.A core component comprises a sector rotor set, a crank, a connecting rod, a sealing wall, a driving shaft, a cantilever shaft and the like; preferably, 4 fan-shaped rotors are selected, the driving shaft and the cantilever shaft are eccentrically arranged, and the driving shaft drives the fan-shaped rotors to rotate around the cantilever shaft through a crank and a connecting rod; the sealing wall is installed on the fan-shaped rotor and rotates simultaneously, the thickness of the sealing wall is the same as that of the connecting rod, and the pumped fluid is ensured not to leak through the small gap seal.

2. The invention provides a fluid mechanical pump, relating to a fan-shaped rotor pump.A distance between fan-shaped rotors changes periodically under the constraint of an eccentric crank link mechanism when a fan-shaped rotor set rotates, so that the volume between the fan-shaped rotors also changes periodically, the suction of fluid is completed when the volume is from minimum to maximum, and the compression and the discharge of the fluid are completed when the volume is from maximum to minimum.

3. The invention provides a fluid mechanical pump, and relates to a sector rotor pump, which is preferably sector in view of simpler mechanical processing of the rotor, and rotors with other shapes can also realize the functions of the invention and are also within the protection scope of the claims of the invention.

4. The fan-shaped rotor pump, the crank-link mechanism and the sealing wall are the preferred embodiments, and other ways to achieve similar functions are also within the protection scope of the claims of the invention.

the invention also provides a fluid mechanical pump, and the fluid mechanical pump assembly is applied to a liquid pumping pump, a gas compression pump or a vacuum pump.

The fluid mechanical pump is applied to automobile mechanical superchargers, Roots blowers, air-conditioning compressors, Roots vacuum pumps, water ring vacuum pumps, rotary vane pumps or sliding valve pumps.

compared with the prior art, the invention has the following beneficial effects:

The fluid mechanical pump provided by the invention has the characteristics of simple structure, good sealing effect and small volume, particularly has the functions of capacity change and internal compression, and has the advantages of high efficiency, low power consumption, low noise and obvious energy-saving and environment-friendly effects. The invention mainly comprises a sector rotor set, a crank, a connecting rod, a sealing wall and other parts, wherein the sector rotor set freely rotates around a cantilever shaft, the crank shaft and the cantilever shaft are eccentrically arranged, the crank drives the sector rotor set to rotate around the cantilever shaft through the connecting rod, and the volume between the sector rotors is periodically changed, so that the suction, compression and discharge of fluid are realized. The invention can be applied to the fields of liquid pumping, gas compression, vacuum obtaining and the like, has no need of lubrication in an overflowing space, has no need of gear transmission in mechanical rotation, is very easy to carry out corrosion resistance protection, is an ideal substitute product for automobile mechanical superchargers, Roots blowers, air-conditioning compressors, Roots vacuum pumps, water ring vacuum pumps, rotary vane pumps and slide valve pumps, and has wide application prospect.

Obviously, many modifications, substitutions, and variations are possible in light of the above teachings of the invention, without departing from the basic technical spirit of the invention, as defined by the following claims.

The foregoing aspects of the present invention are explained in further detail by the following detailed description; this should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples only; all the technologies realized based on the concept of the present invention belong to the scope of the present invention.

Drawings

FIG. 1 is a schematic diagram of a pump assembly of a fluid machine according to the present invention;

FIG. 2 is a schematic view of an installation structure of a fluid mechanical pump assembly according to the present invention;

FIG. 3 is a front view of a pump assembly of the fluid machinery according to the present invention;

FIG. 4 is a schematic view of a rotor set of a fluid mechanical pump assembly according to the present invention;

In the figure:

1-a rotor set; 2-a crank; 3-a connecting rod; 4-sealing wall group; 5-a drive shaft; 6-cantilever shaft; 7-connecting rod movement limiting port; 8, fixing the shaft; 11-a first sector rotor; 12-a second sector rotor; 13-a third fan rotor; 14-a fourth sector rotor; 15-a bearing; 31-a first link; 32-a second link; 33-a second link; 34-fourth link.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings.

as shown in fig. 1 to 4, the fluid mechanical pump assembly of the present invention includes a rotor set 1 composed of a plurality of rotors, a crank 2, a connecting rod 3, a seal wall set 4 composed of a plurality of seal walls, a driving shaft 5 and a cantilever shaft 6;

The rotors in the rotor set 1 can freely rotate around a cantilever shaft 6, the number of the sealing walls in the sealing wall set 4 is the same as that of the rotors in the rotor set 1, the sealing walls in the sealing wall set 4 are attached and fixed on the corresponding rotor end walls in the rotor set 1, the sealing walls in the sealing wall set 4 are provided with connecting rod motion limiting openings 7, the connecting rods 3 can periodically rotate at the connecting rod motion limiting openings 7, and one end of each connecting rod 3 is mounted on the crank 2;

the driving shaft 5 is arranged at the center of the crank 2, and the driving shaft 5 can drive the crank 2 to rotate.

Further, the drive shaft 5 and the cantilever shaft 6 are eccentrically arranged.

further, the number of the rotors in the rotor set 1 is 2 or more.

Further, the number of the rotors in the rotor set 1 is 4, and the rotors are a first sector rotor 11, a second sector rotor 12, a third sector rotor 13 and a fourth sector rotor 14.

Further, the first sector rotor 11, the second sector rotor 12, the third sector rotor 13, and the fourth sector rotor 14 are each free to rotate about the cantilever shaft 6 via a bearing 15.

Further, the thickness of the sealing wall in the sealing wall group 4 is the same as that of the connecting rod 3.

Further, the number of the seal walls in the seal wall group 4 is 4, and the end face shape of the seal wall is the same as that of the rotor in the rotor group 1.

Further, the number of the connecting rods 3 is 4, which are respectively a first connecting rod 31, a second connecting rod 32, a second connecting rod 33 and a fourth connecting rod 34, and the first connecting rod 31, the second connecting rod 32, the second connecting rod 33 and the fourth connecting rod 34 are all fixedly connected to four connecting struts of the crank 2 through the fixing shaft 8.

The invention also provides a fluid mechanical pump, and the fluid mechanical pump assembly is applied to a liquid pumping pump, a gas compression pump or a vacuum pump.

The fluid mechanical pump is applied to automobile mechanical superchargers, Roots blowers, air-conditioning compressors, Roots vacuum pumps, water ring vacuum pumps, rotary vane pumps or sliding valve pumps.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.