阅读说明：本技术 一种车用压缩机 (Compressor for vehicle ) 是由 周坤 周武彬 王业荣 马升 于 2020-11-09 设计创作，主要内容包括：本发明提供一种车用压缩机,包括安装在主机内的驱动源、气缸、齿轮箱和进气座,气缸内设置有相互啮合的阴转子和阳转子,阴转子和阳转子在进气端和排气端均连接有轴承和油气密封件；齿轮箱内设置有齿轮传动系统,驱动源通过所述的齿轮传动系统驱动阴转子和阳转子转动；气缸在进气侧设置有气缸径向吸气通道,气缸径向吸气通道位于气缸的下方且由多条气缸径向进气通道壁围成,气缸的下方还设置有至少一个储油腔,储油腔内存储有润滑油,气缸径向吸气通道与储油腔之间被气缸径向进气通道壁隔离,阴转子和阳转子运转时,气缸通过气缸径向吸气通道径向进气,使气缸径向进气通道壁得到降温,加速储油腔及润滑油的降温。(The invention provides a vehicle compressor, which comprises a driving source, an air cylinder, a gear box and an air inlet seat, wherein the driving source, the air cylinder, the gear box and the air inlet seat are arranged in a main machine; a gear transmission system is arranged in the gear box, and the driving source drives the female rotor and the male rotor to rotate through the gear transmission system; the cylinder is provided with the radial air suction channel of cylinder at the side of admitting air, and the radial air suction channel of cylinder is located the below of cylinder and is enclosed by the radial air suction channel wall of many cylinders, and the below of cylinder still is provided with at least one oil storage chamber, and the oil storage intracavity stores lubricating oil, is kept apart by the radial air suction channel wall of cylinder between the radial air suction channel of cylinder and the oil storage chamber, and when negative rotor and the positive rotor operation, the cylinder radially admits air through the radial air suction channel of cylinder, makes the radial air suction channel wall of cylinder obtain the cooling, the cooling of oil storage chamber and lubricating oil.)

1. A compressor for a vehicle includes a driving source installed in a main machine, a cylinder (22), a gear box (21) and an air intake seat (23), the cylinder (22) is connected with the air intake seat (23) at an air intake side, and the cylinder (22) is connected with the gear box (21) at an air exhaust side; a compression cavity is arranged in the cylinder (22), a female rotor and a male rotor which are meshed with each other are arranged in the compression cavity, and the female rotor and the male rotor are connected with a bearing and an oil-gas sealing element at the air inlet end and the air outlet end; a gear transmission system is arranged in the gear box (21), and the driving source drives the female rotor and the male rotor to rotate through the gear transmission system; the air cylinder is characterized in that an air cylinder radial air suction channel (56) is arranged on the air inlet side of the air cylinder (22), the air cylinder radial air suction channel (56) is located below the air cylinder (22) and is surrounded by a plurality of air cylinder radial air suction channel walls (60), at least one oil storage cavity is further arranged below the air cylinder (22), lubricating oil for lubricating a bearing and a gear is stored in the oil storage cavity, and the air cylinder radial air suction channel (56) is separated from the oil storage cavity by the air cylinder radial air suction channel walls (60).

2. The compressor of claim 1, wherein the upper end of the cylinder radial inlet passage wall (60) is connected to the outer side wall of the cylinder (22), the lower end of the cylinder radial inlet passage wall (60) is connected to the inner side wall of the main machine, and the cylinder radial suction passage (56) is not communicated with the oil storage chamber.

3. Compressor for vehicles according to claim 1, characterized in that the intake seat (23) is provided with an intake seat axial suction passage (55) and an intake seat radial suction passage (58), the cylinder (22) is further provided with a cylinder axial suction passage (59) on the intake side, and the intake seat axial suction passage (55), the intake seat radial suction passage (58), the cylinder radial suction passage (56) and the cylinder axial suction passage (59) are all communicated with the intake chamber of the cylinder (22).

4. Compressor for vehicles according to claim 3, characterized in that the air inlet (24) is axially arranged on the air inlet seat (23), the bottom of the air inlet seat (23) is radially provided with a vent hole, the inlet of the air inlet seat axial suction channel (55) is located at the air inlet (24), and the inlet of the air inlet seat radial suction channel (58) is located at the vent hole arranged at the bottom of the air inlet seat (23).

5. Compressor for vehicles, according to claim 1, characterized in that the cylinder radial suction channel (56) is provided with an axial reinforcement and diversion rib (57), the reinforcement and diversion rib (57) is vertically connected to the inner side wall of the main machine below the cylinder (22).

6. Compressor for vehicles, according to claim 5, characterized in that the reinforcing ribs (57) are located at the interface between the cylinder chamber of the female rotor and the cylinder chamber of the male rotor.

7. A compressor for vehicles according to claim 5, wherein the height of the reinforcing flow-dividing rib (57) is gradually increased from the intake end to the exhaust end of the cylinder.

8. Compressor for vehicles according to claim 1, characterized in that the bottom of the gear box (21) is also provided with oil reservoirs, all of which are interconnected to form an oil tank (61).

Technical Field

The invention relates to the technical field of compressors, in particular to a vehicle compressor.

Background

The application of oil-free compressors in the industries of food, medical treatment, textile and the like is more and more concerned by the public, and particularly, the compressor for conveying powder needs to ensure that the powder to be conveyed is not polluted by oil gas, and the whole conveying process needs to be carried out in an oil-free environment. In the prior art, a compression cavity of an oil-free screw compressor is oil-free, but a bearing and a gear for transmission need sufficient lubrication to prevent the compressor from generating a large amount of friction heat in the operation process and avoid the thermal deformation of a transmission part so as to shorten the service life of the compressor. At present, the automobile compressor on the market adopts an integrated structure with an internal oil tank, the lubricating oil cooling mode in the oil tank is very important, the lubricating oil is easy to deteriorate due to overhigh temperature, the effective period of the lubricating oil is greatly shortened, and the lubricating effect and the operation time of the automobile compressor are influenced.

Disclosure of Invention

The invention aims to provide a compressor for a vehicle, which has a simple and compact structure, can effectively cool an internal oil tank and avoid overhigh temperature of lubricating oil in the oil tank.

The technical scheme of the invention is that the invention provides a vehicle compressor, which comprises a driving source, an air cylinder, a gear box and an air inlet seat, wherein the driving source, the air cylinder, the gear box and the air inlet seat are arranged in a host; a compression cavity is arranged in the cylinder, a female rotor and a male rotor which are meshed with each other are arranged in the compression cavity, and the female rotor and the male rotor are connected with a bearing and an oil-gas sealing element at the air inlet end and the air outlet end; a gear transmission system is arranged in the gear box, and the driving source drives the female rotor and the male rotor to rotate through the gear transmission system; the cylinder is provided with a cylinder radial air suction channel on the air inlet side, the cylinder radial air suction channel is positioned below the cylinder and is surrounded by a plurality of cylinder radial air inlet channel walls, at least one oil storage cavity is further arranged below the cylinder, lubricating oil for lubricating a bearing and a gear is stored in the oil storage cavity, and the cylinder radial air suction channel is isolated from the oil storage cavity by the cylinder radial air inlet channel walls.

Compared with the prior art, the vehicle compressor has the following advantages: the air cylinder radial air suction channel and the at least one oil storage cavity are arranged below the air cylinder, the air cylinder radial air suction channel is isolated from the oil storage cavity by an air cylinder radial air inlet channel wall, when the female rotor and the male rotor operate, the air cylinder can radially suck air through the air cylinder radial air suction channel, the heat on the air cylinder radial air inlet channel wall can be taken away by the radially-sucked air flow flowing through the air cylinder radial air inlet channel wall, the air cylinder radial air inlet channel wall is cooled, meanwhile, the oil storage cavity on the other side of the air cylinder radial air inlet channel wall is cooled, and the cooling of lubricating oil in the oil storage cavity is accelerated.

Preferably, the upper end of the cylinder radial air inlet channel wall is connected with the outer side wall of the cylinder, the lower end of the cylinder radial air inlet channel wall is connected with the inner side wall of the main machine, and the cylinder radial air suction channel is not communicated with the oil storage cavity. Adopt this structure, do not communicate completely between the radial air suction channel of cylinder and the oil storage chamber, can avoid lubricating oil to spill over in the radial air suction channel of cylinder when oil storage intracavity oil level is too high, also can avoid lubricating oil inflow when the host computer slope with the oil storage chamber adjacent in the radial air suction channel of cylinder, guarantee that the air inlet channel of cylinder does not have the oil.

Preferably, the air inlet seat is provided with an air inlet seat axial air suction channel and an air inlet seat radial air suction channel, the air cylinder is further provided with an air cylinder axial air suction channel on the air inlet side, and the air inlet seat axial air suction channel, the air inlet seat radial air suction channel, the air cylinder radial air suction channel and the air cylinder axial air suction channel are all communicated with an air inlet cavity of the air cylinder. By adopting the structure, when the female rotor and the male rotor operate, gas can simultaneously enter the gas inlet seat along the axial gas suction channel of the gas inlet seat and the radial gas suction channel of the gas inlet seat and then enter the gas inlet cavity of the cylinder along the radial gas suction channel of the cylinder and the axial gas suction channel of the cylinder, namely, the cylinder can simultaneously carry out axial gas inlet and radial gas inlet, so that the gas inlet cavity can fully admit gas, and the gas quantity of the compressor is ensured.

Preferably, the air inlet seat is axially provided with an air inlet, the bottom of the air inlet seat is radially provided with a vent hole, the inlet of the axial air suction channel of the air inlet seat is positioned at the air inlet, and the inlet of the radial air suction channel of the air inlet seat is positioned at the vent hole arranged at the bottom of the air inlet seat. By adopting the structure, the structure is simple, and the air inlet seat can simultaneously carry out axial air inlet and radial air inlet.

Preferably, be provided with axial enhancement reposition of redundant personnel muscle in the radial inspiratory channel of cylinder, strengthen the inside wall of reposition of redundant personnel muscle vertical connection at the below of cylinder on the host computer. Adopt this structure, strengthen the intensity that the reposition of redundant personnel muscle can strengthen the host computer bottom, prevent that the host computer bottom from breaking, also can shunt the radial air current that flows in the radial suction channel of cylinder, the gas after the reposition of redundant personnel is in the both sides of strengthening the reposition of redundant personnel muscle flow for the cylinder that is located to strengthen the reposition of redundant personnel muscle both sides radially admits air the passageway wall homoenergetic and is cooled down.

Preferably, the reinforced flow dividing rib is positioned at the junction of the cylinder cavity where the female rotor is positioned and the cylinder cavity where the male rotor is positioned. By adopting the structure, after the reinforced shunting rib shunts the airflow which radially flows in the cylinder radial air suction channel, the airflow on two sides of the reinforced shunting rib is balanced, so that the radial air inlet channel walls of the cylinders on two sides of the reinforced shunting rib are cooled in a balanced manner.

Preferably, the height of the reinforced flow dividing rib gradually increases from the air inlet end to the air outlet end of the cylinder. By adopting the structure, the reinforced flow distribution rib is prevented from blocking the air cylinder to suck air, so that the air flow in the radial air suction channel of the air cylinder is smoothly sucked into the air cylinder.

Preferably, the bottom of the gear box is also provided with an oil storage cavity, and all the oil storage cavities are communicated with each other to form an oil tank. By adopting the structure, the capacity of the oil tank in the host is large enough, and the storage capacity of lubricating oil is increased.

Drawings

Fig. 1 is a schematic structural view of a compressor for a vehicle according to the present invention.

Fig. 2 is a sectional view F-F of fig. 1.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a cross-sectional view C-C of fig. 3.

Fig. 5 is a sectional view B-B of fig. 2.

Fig. 6 is a cross-sectional view taken along line D-D of fig. 1.

Fig. 7 is a sectional view taken along line G-G of fig. 1.

Fig. 8 is a cross-sectional view E-E of fig. 1.

As shown in the figure: 21. the air intake structure comprises a gear box, 22, cylinders, 23, air intake seats, 24, air intake ports, 30, exhaust ports, 55, air intake seat axial air intake passages, 56, cylinder radial air intake passages, 57, reinforced flow dividing ribs, 58, air intake seat radial air intake passages, 59, cylinder axial air intake passages, 60, cylinder radial air intake passage walls, 61 and an oil tank.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a statement such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.

As shown in fig. 1, the compressor for a vehicle of the present invention includes a driving source installed in a main machine, a cylinder 22, a gear box 21, and an intake block 23, the cylinder 22 being connected to the intake block 23 at an intake side, an intake port 24 being axially provided on the intake block 23, the cylinder 22 being provided with an exhaust port 30 at an exhaust side, and the cylinder 22 being further connected to the gear box 21 at the exhaust side. A compression cavity is arranged in the cylinder 22, a female rotor and a male rotor which are meshed with each other are arranged in the compression cavity, and the female rotor and the male rotor are connected with a bearing and an oil-gas sealing element at the air inlet end and the air outlet end; a gear transmission system is arranged in the gear box, and the driving source drives the female rotor and the male rotor to rotate through the gear transmission system; an oil tank 61 for storing lubricating oil is also provided in the main body, and the lubricating oil in the oil tank 61 is used for lubricating and cooling the bearings and gears.

As shown in fig. 2 and 5, the inlet seat 23 is provided with an inlet seat axial suction passage 55 and an inlet seat radial suction passage 58, the inlet of the inlet seat axial suction passage 55 is located at the inlet port 24, and the inlet of the inlet seat radial suction passage 58 is located at a vent hole provided at the bottom of the inlet seat 23. When the female rotor and the male rotor operate, gas can axially enter the air inlet seat 23 from the air inlet 24 along the air inlet seat axial air suction channel 55, and can also radially enter the air inlet seat 23 from the vent hole at the bottom of the air inlet seat 23 along the air inlet seat radial air suction channel 58. The inlet seat axial suction passage 55 and the inlet seat radial suction passage 58 both communicate with the inlet chamber of the cylinder 22.

As shown in fig. 3 to 6, the cylinder 22 is provided with a cylinder radial intake passage 56 and a cylinder axial intake passage 59 on the intake side, the cylinder radial intake passage 56 is located below the cylinder 22 and is surrounded by a plurality of cylinder radial intake passage walls 60, the upper end of the cylinder radial intake passage wall 60 is connected to the outer side wall of the cylinder 22, the lower end of the cylinder radial intake passage wall 60 is connected to the inner side wall of the main engine, and the cylinder radial intake passage 56 is communicated with the intake seat radial intake passage 58. When the female rotor and the male rotor operate, gas can axially enter the air inlet cavity of the cylinder 22 along the cylinder axial air suction channel 59, and can radially enter the air inlet cavity of the cylinder 22 along the cylinder radial air suction channel 56, so that sufficient gas is sucked into the air inlet cavity, and the air displacement of the compressor is ensured. Still be provided with axial in the radial air suction channel 56 of cylinder and strengthen reposition of redundant personnel muscle 57, strengthen reposition of redundant personnel muscle 57 and connect perpendicularly on the inside wall of host computer in the below of cylinder 22, strengthen the intensity that reposition of redundant personnel muscle 57 can strengthen the host computer bottom, prevent that the host computer bottom from breaking, can also shunt the radial air current that flows in the radial air suction channel 56 of cylinder. As shown in fig. 3 and 4, the reinforced flow dividing rib 57 is located at the junction of the cylinder cavity where the female rotor is located and the cylinder cavity where the male rotor is located, so that the air flows on the two sides of the reinforced flow dividing rib 57 are balanced, and the radial air inlet channel walls 60 of the cylinders located on the two sides of the reinforced flow dividing rib 57 can be cooled uniformly. As shown in fig. 8, the height of the reinforced flow-dividing rib 57 gradually increases from the intake end to the exhaust end of the cylinder, so as to avoid the reinforced flow-dividing rib 57 from obstructing the intake of air in the cylinder 22, and to enable the air flow in the cylinder radial intake passage 56 to be smoothly sucked into the cylinder 22.

As shown in fig. 4 to 8, a plurality of oil storage chambers are arranged at the bottom of the main machine, all the oil storage chambers form an oil tank 61, the oil tank 61 is not communicated with the cylinder 22, and the oil storage chambers are arranged at the bottom of the gear box 21 and below the cylinder 22 in the main machine. The oil storage cavity below the cylinder 22 is isolated from the cylinder radial suction channel 56 by a cylinder radial suction channel wall 60, and the oil storage cavity and the cylinder radial suction channel 56 are respectively arranged at two sides of the cylinder radial suction channel wall 60. When the female rotor and the male rotor operate, gas flows along the cylinder radial air suction channel 56, heat on the cylinder radial air suction channel wall 60 can be taken away, the oil storage cavity on the other side of the cylinder radial air suction channel wall 60 can be cooled, and cooling of lubricating oil in the oil tank 61 and the oil tank 61 can be accelerated.

The above are merely specific examples of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.