CN211230826U

CN211230826U - Sliding vane type air compressor

Info

Publication number: CN211230826U
Application number: CN201921357580.4U
Authority: CN
Inventors: 章道彪; 陈雷; 马云龙; 张晓虎
Original assignee: Hongdao Shanghai Technology Co ltd
Current assignee: Hongdao Shanghai Technology Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-08-11
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a sliding vane type air compressor, which comprises a rotor component, a cylinder body and a plurality of sliding vane components, wherein the sliding vane components are assembled in a sliding chute of the rotor component; the cylinder body comprises a cylinder body inner wall and a cylinder body outer wall, a cylinder body inner cavity is formed inside the cylinder body inner wall, and an air inlet channel and an air outlet channel which are mutually isolated are formed between the cylinder body inner wall and the cylinder body outer wall; the rotor assembly and the sliding piece assembly are arranged in the inner cavity of the cylinder body; the cylinder body inner wall is equipped with first air inlet, first gas outlet, second air inlet, the second gas outlet of arranging in proper order along the direction of rotation of rotor subassembly, and first air inlet and second air inlet all are linked together with inlet channel, and first gas outlet and second gas outlet all communicate in outlet channel. Two air inlets and two air outlets are arranged in the rotating direction of the rotor assembly, so that the operation of pumping twice can be realized when the rotor assembly rotates for one circle, and the output efficiency of the sliding-vane air compressor is greatly improved.

Description

Sliding vane type air compressor

Technical Field

The utility model relates to a gas compressor field, in particular to sliding vane type air compressor.

Background

A sliding vane type air compressor is a compressor which realizes gas compression through the rotation of a rotor assembly and a sliding vane assembly and finally converts mechanical energy into wind energy. The sliding-vane air compressor has the advantages of small volume, light weight, low noise, simple operation and high reliability, and is widely applied to the fields of new energy passenger cars, electric cars and the like.

The sliding-vane air compressor comprises a rotor assembly and a cylinder body, wherein a longitudinal sliding groove is formed in the rotor assembly, the sliding-vane assembly is arranged in the sliding groove in a sliding mode, and the rotor assembly is eccentrically arranged in the cylinder body. When the rotor assembly rotates, the slide assemblies are thrown out under the action of centrifugal force and are in close contact with the cylinder body, a closed cavity is formed between every two adjacent slide assemblies and the inner wall of the cylinder body, and the volume of the cavity is changed from large to small and then from small to large along with the rotation of the rotor assembly and the slide assemblies, so that air suction-compression circulation is realized.

The sliding vane type air compressor in the prior art only has one air inlet and one air outlet, so that the air compression efficiency is relatively low, and the air flow is difficult to improve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a sliding vane air compressor in order to overcome sliding vane air compressor among the prior art only has an air inlet and a gas outlet, the defect that air output efficiency is low.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a sliding-vane air compressor comprises a rotor assembly, a cylinder body and a plurality of sliding vane assemblies, wherein the sliding vane assemblies are connected to the periphery of the rotor assembly;

it is characterized in that:

the cylinder body comprises a cylinder body inner wall and a cylinder body outer wall, a cylinder body inner cavity is formed inside the cylinder body inner wall, and an air inlet channel and an air outlet channel which are mutually isolated are formed between the cylinder body inner wall and the cylinder body outer wall;

the rotor assembly and the slide piece assembly are arranged in the inner cavity of the cylinder body;

the cylinder body inner wall is equipped with first air inlet, first gas outlet, second air inlet, the second gas outlet of arranging in proper order along the direction of rotation of rotor subassembly, first air inlet with the second air inlet all with inlet channel is linked together, first gas outlet with the second gas outlet all communicate in outlet channel.

In this scheme, adopt above-mentioned structural style, set up two air inlets and two gas outlets on the cylinder body inner wall of cylinder body, also be exactly at the in-process of air compressor operation, two air inlets admit air simultaneously, flow out from two gas outlets respectively after the compression. The air quantity entering the inner cavity of the cylinder body of the compressor is greatly improved, the flow of the compressed air after corresponding compression is obviously improved, and the efficiency of the compressed air is improved.

Preferably, the air inlet channel and the air outlet channel are arranged in a staggered manner in the axis direction of the rotor assembly, an air outlet and an air suction port are arranged on the outer wall of the cylinder body, the air outlet is communicated with the air outlet channel, and the air suction port is communicated with the air inlet channel.

In this scheme, adopt above-mentioned structural style, adopt inlet channel and the air outlet channel of staggering setting, simple structure, occupation space is few, set up the induction port on the cylinder body outer wall and communicate with inlet channel for outside air's entering sets up the gas vent on the cylinder body outer wall and communicates with air outlet channel, is used for discharging the compressed air after the compression from the gas vent.

Preferably, the cylinder inner cavity is an elliptical structure, and the axis of the rotor assembly is arranged at the center of the cylinder inner cavity.

In this scheme, adopt above-mentioned structural style, the cylinder body inner chamber sets up to oval structure, and the axle center of rotor subassembly sets up in the center of cylinder body inner chamber, and the rotor subassembly divides into two working chamber with oval cylinder body inner chamber along the minor axis of oval cylinder body inner chamber. Thus, the process that the two working chambers simultaneously intake air and simultaneously compress the air is realized.

Preferably, the first air inlet is located on the opposite side of the second air inlet relative to the axis of the rotor assembly, and the first air outlet is located on the opposite side of the second air outlet relative to the axis of the rotor assembly.

In this scheme, adopt above-mentioned structural style, also set up first air inlet and second air inlet respectively on the cylinder body inner wall that two work chambers correspond promptly, set up first gas outlet and second gas outlet respectively on the cylinder body inner wall that two work chambers correspond to realize that two work chambers can admit air simultaneously, compressed air discharges compressed air simultaneously, with improvement compressed air's work efficiency.

Preferably, the first air inlet and the first air outlet are separated by an angle of less than 180 degrees, and the second air inlet and the second air outlet are separated by an angle of less than 180 degrees.

In this scheme, set up first air inlet and first gas outlet in same working chamber, set up second air inlet and second gas outlet in same working chamber.

Preferably, the rotor assembly is of a cylindrical structure; six chutes are arranged on the circumferential surface of the rotor assembly at equal intervals, the sliding piece assemblies are arranged in the chutes and can slide along the depth direction of the chutes, and the tail ends of the sliding piece assemblies always abut against the inner wall of the cylinder body.

In the scheme, by adopting the structure, two adjacent slide assemblies and the inner wall of the cylinder body form a closed space, the circumferential surface of the rotor assembly is provided with the sliding groove, the slide assemblies slide along the depth direction of the sliding groove in the rotating process of the rotor assembly, and the volume of the closed space formed by the two adjacent slide assemblies and the inner wall of the cylinder body is dynamically changed by combining the shape characteristics of the inner cavity of the cylinder body, and the volume of the closed space can be changed from small to large and then from large to small so as to finish the processes of air suction, compression and exhaust.

Preferably, a guide portion is arranged in the sliding chute, and a guided portion is arranged on the sliding vane assembly, and the guide portion and the guided portion cooperate to enable the sliding vane assembly to slide in the radial direction of the rotor assembly.

In this scheme, adopt above-mentioned structural style, set up guide portion on the spout, set up on the slide subassembly by the guide portion for the slide subassembly slides more steadily in the spout.

Preferably, a resilient member is further provided in the slide slot for biasing the slide assembly towards sliding out of the slide slot.

In this scheme, adopt above-mentioned structural style, set up elastic element in the spout and be used for exerting pressure to the slider subassembly along the direction of slider subassembly roll-off spout for the slider subassembly supports all the time to lean on the cylinder body inner wall.

Preferably, one or more guide rods are arranged in the sliding groove, an accommodating cavity corresponding to the guide rods one to one is arranged at the head end of the sliding block assembly opposite to the tail end, the guide rods are inserted into the accommodating cavity, the elastic element is a spring, and the spring is sleeved on the guide rods.

In this scheme, adopt above-mentioned structural style, set up the guide bar in the spout, set up the holding chamber on the slider subassembly, the guide bar plays the guide effect to the slip of slider subassembly for under the vibration state, the stability of gleitbretter operation is better, and the reliability of complete machine is higher.

Preferably, the tail end of the slide assembly points to the inner wall of the cylinder body, the head end of the slide assembly points to the rotor assembly, the slide assembly comprises a slide body and a rolling device, the rolling device is arranged at the tail end of the slide assembly, and the rolling device abuts against the inner wall of the cylinder body.

In this scheme, adopt above-mentioned structural style, set up the rolling device at the end of gleitbretter body, change sliding friction into rolling friction, coefficient of friction reduces greatly for the durability of each part increases, and the heat that rolling friction generated is less moreover, and the complete machine can not have the production of too high temperature when the motion, and is less to radiating requirement.

Preferably, each slide assembly is provided with two rolling devices, and the two rolling devices are arranged at two ends of the slide assembly in the axial direction of the rotating assembly.

In this scheme, adopt above-mentioned structural style, set up rolling device at the both ends of slide subassembly, it is more stable to slide.

Preferably, the gleitbretter body is equipped with two recesses, rolling device locates in the recess, rolling device includes connecting rod, bearing and bearing housing, the bearing housing is located the connecting rod, the bearing housing is located the bearing, connecting rod fixed connection in the recess.

In this scheme, adopt above-mentioned structural style, set the simple structure of bearing and bearing shell formula with rolling device, the leakproofness is good, and bearing housing are the standard part moreover, easy purchase.

Preferably, the cylinder body further comprises two end covers, and the two end covers respectively cover two sides of the inner wall and the outer wall of the cylinder body in the axial direction of the rotor assembly.

In this scheme, adopt above-mentioned structural style, set up the end cover on the cylinder body and be used for sealing the cylinder body inner chamber.

Preferably, the rotor assembly is provided with two annular steps on two axial end faces, two end covers are provided with two annular grooves, and the two annular steps are slidably matched with the two annular grooves.

In this scheme, adopt above-mentioned structural style, double annular groove and the cooperation of double annular step slidable form labyrinth seal, under the less condition in fit clearance, can effectively reduce gas leakage, sealing performance is better.

Preferably, the sliding-vane air compressor further comprises a motor for driving the rotor assembly to rotate.

In this scheme, adopt above-mentioned structural style, the motor provides the power supply for the rotation of rotor subassembly.

Preferably, the rotor assembly comprises a rotor body and a transmission shaft, the transmission shaft penetrates through the rotor body, and two ends of the transmission shaft are connected with thrust ball bearings.

In this scheme, adopt above-mentioned structural style, thrust ball bearing except guaranteeing dynamic balance, can realize the self-regulation in transmission shaft axial space, improves the reliability of system.

Preferably, the inner surface of the inner wall of the cylinder body is embedded with a friction piece, and the friction piece is made of wear-resistant alloy.

In this scheme, adopt above-mentioned structural style, adopt the friction piece of wear-resisting alloy preparation, at system during operation, the small particulate matter that the friction produced still less for the reliability of complete machine is higher, and the durability is also better.

Preferably, the sliding vane air compressor further comprises an atomizing device for supplying atomized water to the air inlet passage.

In this scheme, adopt above-mentioned structural style, integrated atomizing device, not only can play the lubrication action to air compression system, but also can dispel the heat to it, restrain the compressed air temperature and rise, promote compression efficiency.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in: the utility model discloses a sliding vane air compressor is provided with two air inlets and two gas outlets in the direction of rotation of rotor subassembly to can realize that the rotor subassembly rotates the operation that a week carries out twice pump gas at every turn, improve sliding vane air compressor's output efficiency greatly.

Drawings

Fig. 1 is a schematic perspective view of a sliding vane type air compressor according to a preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of an internal structure of a sliding vane type air compressor according to a preferred embodiment of the present invention.

Fig. 3 is a schematic perspective view of a cylinder body in a sliding-vane air compressor according to a preferred embodiment of the present invention.

Fig. 4 is another schematic perspective view of a cylinder body in a sliding-vane air compressor according to a preferred embodiment of the present invention.

Fig. 5 is a schematic perspective view of a rotor assembly according to a preferred embodiment of the present invention.

Fig. 6 is a schematic perspective view illustrating a slide assembly in a slide vane air compressor according to a preferred embodiment of the present invention.

Fig. 7 is a schematic structural view of a chute in a rotor assembly according to a preferred embodiment of the present invention.

Fig. 8 is a schematic sectional view of the sliding groove in the rotor body of the sliding vane type air compressor according to the preferred embodiment of the present invention, taken along the depth direction of the sliding groove.

Fig. 9 is a schematic structural view of a rolling device of a vane assembly in a vane type air compressor according to a preferred embodiment of the present invention.

Fig. 10 is a schematic cross-sectional view illustrating a transmission shaft of a rotor assembly in a sliding-vane air compressor according to a preferred embodiment of the present invention.

Fig. 11 is a schematic cross-sectional view of a sliding vane air compressor according to a preferred embodiment of the present invention along an axial direction.

Fig. 12 is a schematic perspective view of a friction member in a sliding-vane air compressor according to a preferred embodiment of the present invention.

Fig. 13 is a partially enlarged schematic view of a slide assembly and a rotor assembly in a slide air compressor according to a preferred embodiment of the present invention.

Description of reference numerals:

sliding vane air compressor 1

Cylinder body 10

Cylinder outer wall 101

Cylinder inner wall 102

Cylinder bore 103

First chamber 1031

Second chamber 1032

Air outlet channel 104

Intake passage 105

First air inlet 106

Second air inlet 107

First air outlet 108

Second air outlet 109

Exhaust port 110

Air inlet 111

End cap 112

Friction member 113

Rotor assembly 20

Rotor body 201

Drive shaft 202

Chute 203

Convex part 2031

Second hole site 2032

Guide rod 204

Spring 205

Thrust ball bearing 206

Bearing seat 207

Lip oil seal 208

Wave spring shim 209

Double annular step 210

Slide assembly 30

Sliding vane body 301

Socket 3031

Insert portion 3032

Rolling device 302

Connecting piece 3021

Bearing 3022

Oil seal 3023

Bearing sleeve 3024

Accommodation cavity 303

Atomizing device 40

Atomizer 401

Atomized water inlet 402

Atomized water outlet 403

Electric machine 50

Motor shaft 501

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1-2, the present embodiment provides a sliding vane air compressor 1, which includes a rotor assembly 20, a cylinder 10 and a plurality of sliding vane assemblies 30, wherein the sliding vane assemblies 30 are connected to the outer periphery of the rotor assembly 20; the cylinder body 10 comprises a cylinder body inner wall 102 and a cylinder body outer wall 101, a cylinder body inner cavity 103 is formed inside the cylinder body inner wall 102, and an air inlet channel 105 and an air outlet channel 104 which are mutually isolated are formed between the cylinder body inner wall 102 and the cylinder body outer wall 101; the rotor assembly 20 and the slide assembly 30 are disposed in the cylinder cavity 103; the cylinder inner wall 102 is provided with a first air inlet 106, a first air outlet 108, a second air inlet 107 and a second air outlet 109 which are sequentially arranged along the rotation direction of the rotor assembly 20, the first air inlet 106 and the second air inlet 107 are both communicated with the air inlet channel 105, and the first air outlet 108 and the second air outlet 109 are both communicated with the air outlet channel 104.

The first inlet port 106, the first outlet port 108, the second inlet port 107, and the second outlet port 109 are schematically shown in fig. 2 for clarity, but do not represent them on the same cross-section.

Two air inlets and two air outlets are arranged on the inner wall 102 of the cylinder 10, that is, in the operation process of the air compressor, the two air inlets simultaneously feed air, and the compressed air respectively flows out from the two air outlets. This greatly increases the amount of air entering the compressor cylinder bore 103, and the corresponding compressed air flow rate is also significantly increased, increasing the efficiency of the compressed air.

As shown in fig. 2 to 4, the air inlet channel 105 and the air outlet channel 104 are arranged in a staggered manner in the axial direction of the rotor assembly 20, an air outlet 110 and an air inlet 111 are arranged on the cylinder outer wall 101, the air outlet 110 is communicated with the air outlet channel 104, and the air inlet 111 is communicated with the air inlet channel 105. The air inlet channel 105 and the air outlet channel 104 which are arranged in a staggered mode are adopted, the structure is simple, the occupied space is small, the air suction port 111 is formed in the cylinder outer wall 101 and communicated with the air inlet channel 105 for allowing external air to enter, and the air outlet 110 is formed in the cylinder outer wall 101 and communicated with the air outlet channel 104 for discharging compressed air after compression from the air outlet 110.

The cylinder cavity 103 is an elliptical structure, and the axis of the rotor assembly 20 is arranged at the center of the cylinder cavity 103. The cylinder inner cavity 103 is an elliptical structure, the axis of the rotor assembly 20 is arranged at the center of the cylinder inner cavity 103, and the rotor assembly 20 divides the elliptical cylinder inner cavity 103 into two working chambers along the short axis of the elliptical cylinder inner cavity 103. Thus, the air inlet and the air outlet of the two working chambers are realized simultaneously.

The first air inlet 106 is located on the opposite side of the second air inlet 107 with respect to the axial center of the rotor assembly 20, and the first air outlet 108 is located on the opposite side of the second air outlet 109 with respect to the axial center of the rotor assembly 20. The first air inlet 106 and the second air inlet 107 are respectively arranged on the inner wall 102 of the cylinder body corresponding to the two working chambers, and the first air outlet 108 and the second air outlet 109 are respectively arranged on the inner wall 102 of the cylinder body corresponding to the two working chambers, so that the two working chambers can simultaneously intake air and simultaneously compress air, and simultaneously discharge the compressed air, thereby improving the working efficiency of the compressed air.

The first air inlet 106 is at an angle of less than 180 degrees from the first air outlet 108 and the second air inlet 107 is at an angle of less than 180 degrees from the second air outlet 109. Wherein the first gas inlet 106 and the first gas outlet 108 are arranged in the same working chamber, and the second gas inlet 107 and the second gas outlet 109 are arranged in the same working chamber.

In the present embodiment, the cylinder inner cavity 103 of the cylinder 10 has an oval structure, the axis of the rotor assembly 20 passes through the center of the cylinder inner cavity 103, and the oval cylinder inner cavity 103 is divided into the first chamber 1031 and the second chamber 1032 which are independent of each other by the rotor assembly 20 and the slide assembly 30. In the present embodiment, the outer periphery of the rotor assembly 20 almost abuts against the inner surface of the cylinder cavity 103, but the present invention is not limited thereto, and those skilled in the art may select the size of the rotor assembly 20 relative to the cylinder cavity 103 as needed.

The first air inlet 106 and the first air outlet 108 are disposed on the cylinder inner wall 102 corresponding to the first chamber 1031, the second air inlet 107 and the second air outlet 109 are disposed on the cylinder inner wall 102 corresponding to the second chamber 1032, the first air inlet 106 and the second air inlet 107 are communicated with the air inlet channel 105 formed by the cylinder inner wall 102 and the cylinder outer wall 101, it should be noted that the first air inlet 106 and the second air inlet 107 may be one through hole with a large opening, or may be a plurality of mutually independent through holes disposed side by side, which is the form of the latter in this embodiment. First air outlet 108 and second air outlet 109 are in communication with air outlet channel 104. The air inlet channel 105 is communicated with an air suction port 111 on the outer wall 101 of the cylinder body, the air outlet channel 104 is communicated with an air outlet 110 on the outer wall 101 of the cylinder body, external air is sucked into the air inlet channel 105 from the air suction port 111, enters the first chamber 1031 and the second chamber 1032 from the first air inlet 106 and the second air inlet 107 respectively, flows into the air outlet channel 104 from the first air outlet 108 and the second air outlet 109 after being compressed, and is finally discharged through the air outlet 110, and therefore the process of pumping air twice is completed.

As shown in fig. 5-9, the rotor assembly 20 is of cylindrical configuration; six sliding grooves 203 are formed in the circumferential surface of the rotor assembly 20 at equal intervals, the sliding vane assembly 30 is disposed in the sliding grooves 203, the sliding vane assembly 30 can slide along the depth direction of the sliding grooves 203, and the end of the sliding vane assembly 30 always abuts against the inner wall 102 of the cylinder. The chute 203 is disposed along a radial direction of the rotor assembly 20.

In the present embodiment, six slide assemblies 30 are provided, but the present invention is not limited thereto, and the number of slide assemblies 30 may be set according to actual needs. For example, providing 4 slide assemblies 30 on the rotor assembly 20 may also allow for simultaneous admission of two working chambers.

The two adjacent slide assemblies 30 and the inner wall 102 of the cylinder body enclose a closed space, the circumferential surface of the rotor assembly 20 is provided with a chute 203, in the rotating process of the rotor assembly 20, the slide assemblies 30 are combined with the shape characteristics of the inner cavity 103 of the cylinder body in a sliding manner along the depth direction of the chute 203, the volume of the closed space enclosed by the two adjacent slide assemblies 30 and the inner wall 102 of the cylinder body is dynamically changed, and the volume of the closed space can be changed from small to large and then from large to small, so that the processes of air suction, compression and exhaust are completed.

A guide portion is provided in the slide groove 203, and a guided portion is provided on the slide assembly 30, the guide portion and the guided portion cooperating to slide the slide assembly 30 in a radial direction of the rotor assembly 20. In this embodiment, the guiding portion is a protrusion 2031 of the second hole 2032 of the sliding chute 203 extending in the radial direction in the sliding chute 203, the guided portion is an insertion portion 3032 of the slide piece assembly 30 and an insertion slot 3031 extending in the radial direction on the slide piece assembly 30, and the insertion portion 3032 is inserted into and engaged with the second hole 2032. The second aperture location 2032 is illustrated in FIG. 8, but the guide rod 204 is omitted. A guide portion is provided on the slide groove 203, and a guided portion is provided on the slide assembly 30, so that the slide assembly 30 slides more stably in the slide groove 203.

Also provided in the slide groove 203 is an elastic member for biasing the slide member 30 toward the direction of sliding out of the slide groove 203. One or more guide rods 204 are arranged in the sliding groove 203, the head end of the slide assembly 30 opposite to the tail end is provided with accommodating cavities 303 corresponding to the guide rods 204 one by one, the guide rods 204 are inserted into the accommodating cavities 303, the elastic element is a spring 205, and the spring 205 is sleeved on the guide rods 204. The spring 205 applies an elastic force to the slide member 30 so that the slide member 30 moves toward the slide-out chute 203.

An elastic member is provided in the slide groove 203 for applying pressure to the slide assembly 30 in a direction in which the slide assembly 30 slides out of the slide groove 203, so that the slide assembly 30 is always abutted against the cylinder inner wall 102. The guide rod 204 is arranged in the sliding groove 203, the accommodating cavity 303 is arranged on the sliding piece assembly 30, and the guide rod 204 plays a role in guiding the sliding of the sliding piece assembly 30, so that the sliding piece has better running stability and higher reliability in the whole machine in a vibration state.

In this embodiment, six sliding grooves 203 are equidistantly formed in the outer peripheral surface of the rotor assembly 20, six sliding vane assemblies 30 are slidably disposed in the six sliding grooves 203, when the sliding vane air compressor 1 normally operates, the first chamber 1031 and the second chamber 1032 accommodate three sliding vane assemblies 30, and with the rotation of the rotor assembly 20, the volume of the enclosed space formed by each two adjacent sliding vane assemblies 30 and the cylinder inner wall 102 changes from small to large and then from large to small.

The tail end of the slide assembly 30 points to the inner wall 102 of the cylinder body, the head end of the slide assembly 30 points to the rotor assembly 20, the slide assembly 30 comprises a slide body 301 and a rolling device 302, the rolling device 302 is arranged at the tail end of the slide assembly 30, and the rolling device 302 abuts against the inner wall 102 of the cylinder body. Wherein, set up rolling device 302 at the end of gleitbretter body 301, change sliding friction into rolling friction, coefficient of friction reduces greatly for the durability of each part increases, and the heat that rolling friction generated is less moreover, and the complete machine can not have the excess temperature to produce when the motion, and is less to radiating requirement.

Each slide member 30 is provided with two rolling means 302, and the two rolling means 302 are provided at both ends of the slide member 30 in the axial direction of the rotating member.

The gleitbretter body 301 is equipped with two recesses, and rolling device 302 is located in the recess, and rolling device 302 includes connecting rod, bearing 3022 and bearing housing 3024, and the connecting rod is located to bearing housing 3024, and bearing 3022 is located to the bearing housing 3024 cover, and connecting rod fixed connection is in the recess. Wherein, rolling devices 302 are arranged at two ends of the slide assembly 30, so that the sliding is more stable. The rolling device 302 is provided as a bearing and a bearing sleeve, the structure is simple, the sealing performance is good, and the bearing 3022 and the bearing sleeve 3024 are standard parts and are easy to purchase.

In this embodiment, the rolling device 302 includes a connector 3021, a bearing 3022 and a bearing housing 3024, the connector 3021 is screwed with two side walls of the recess, an inner ring of the bearing 3022 passes through the connector 3021 to be fixed to the connector 3021, two ends of the bearing 3022 are provided with oil seals 3023, an inner circumference of the bearing housing 3024 is fixed to the oil seals 3023 and an outer ring of the bearing 3022, wherein the outer cylinder wall 101 of the bearing housing 3024 is exposed to the end face of the tip of the vane body 301, but the end face of the tip of the bearing housing 3024 and the vane body 301 and the inner cylinder wall 102 can still seal the gas in the sealed space. As the rotor assembly 20 rotates, the bearing sleeve 3024 can roll on the cylinder inner wall 102 of the cylinder 10. The rolling device 302 protrudes toward the end of the vane assembly 30 relative to the vane body 301 to ensure that the rolling device 302 abuts against the cylinder inner wall 102 instead of the vane body 301 abutting against the cylinder inner wall 102, and a small gap is formed between the vane body 301 and the cylinder inner wall 102, and the small gap is set to have a minimum influence on the pumping.

The cylinder 10 further includes two end caps 112, and the two end caps 112 respectively cover both sides of the cylinder inner wall 102 and the cylinder outer wall 101 in the axial direction of the rotor assembly 20. The rotor assembly 20 is provided with double annular steps 210 on two end faces in the axial direction, two end covers 112 are provided with double annular grooves, and the double annular steps 210 are slidably fitted with the double annular grooves. An end cap 112 is provided on the cylinder block 10 to seal the cylinder block cavity 103. The double-ring groove and the double-ring step 210 can be matched in a sliding mode to form labyrinth seal, gas leakage can be effectively reduced under the condition that the matching gap is small, and sealing performance is better. The cooperation of the double annular step 210 with the double annular groove may enable a better seal to be achieved also when the rotor assembly 20 is rotating.

In this embodiment, the double annular steps 210 are disposed on two end surfaces of the rotor assembly 20, the double annular grooves are disposed on the two end covers 112, and the first chamber 1031 and the second chamber 1032 are sealed at two ends of the rotor assembly 20 in the axial direction by the cooperation of the double annular steps 210 and the double annular grooves, so that the gases in each sealed space cannot leak out.

As shown in fig. 10-13, the sliding vane air compressor 1 further includes a motor 50, the motor 50 being configured to drive the rotor assembly 20 to rotate. The motor 50 is typically a rotating electric machine 50, the power of which can be selected as desired. The rotor assembly 20 includes a rotor body 201 and a transmission shaft 202, the transmission shaft 202 is inserted into the rotor body 201, and two ends of the transmission shaft 202 are connected with thrust ball bearings 206. The structure and type of the motor 50 are not limited, the motor shaft 501 of the motor 50 is directly connected to the transmission shaft 202 of the rotor assembly 20, and the motor 50 provides a power source for the rotation of the rotor assembly 20. The thrust ball bearing 206 can realize self-adjustment of the axial space of the transmission shaft 202 and improve the reliability of the system besides ensuring dynamic balance.

In this embodiment, the motor shaft 501 is splined to the transmission shaft 202, the connection portion between the motor shaft 501 and the transmission shaft 202 is a regular hexagonal shaft, and the empty space at the center of the corresponding rotor assembly 20 is a regular hexagonal through hole. Two thrust ball bearings 206 are respectively arranged at two ends of a transmission shaft 202 of the rotor assembly 20, a wave spring gasket 209 is arranged at one end of a thrust bearing seat 207, and a lip-shaped oil seal 208 is arranged at the position where the transmission shaft 202 is connected with the thrust ball bearings 206. The thrust ball bearing 206 not only ensures dynamic balance, but also plays a final role in positioning and limiting the degree of freedom of the rotor assembly 20 in the radial direction, and can realize self-adjustment of the axial space of the rotor assembly 20 by matching with the wave spring gasket 209 at one end, thereby improving the reliability of the system.

The inner surface of the cylinder inner wall 102 is embedded with a friction member 113, and the friction member 113 is made of wear-resistant alloy. Wherein, the friction member 113 made of wear-resistant alloy is adopted, and when the system works, the friction generates less micro particles, so that the reliability of the whole machine is higher, and the durability is better.

The sliding vane air compressor 1 further comprises an atomizing device 40, the atomizing device 40 being adapted to provide atomized water to the air inlet passage 105. Wherein, integrated atomizing device 40, not only can play the lubrication action to the air compression system, but also can dispel the heat to it.

In this embodiment, the atomization device 40 includes an atomized water inlet 402, an atomizer 401 and an atomized water outlet 403, the atomized water inlet 402 is used for communicating an external water source with the atomizer 401, the atomized water outlet 403 is used for communicating the atomizer 401 with the air inlet channel 105, water in the external water source enters the atomizer 401 from the atomized water inlet 402, and is atomized by the atomizer 401 and then is sprayed into the air inlet channel 105 through the atomized water outlet 403.

To vehicle fuel cell, need the air of certain pressure, temperature and humidity, can not have solid particulate matter impurity in the air, adopt the utility model provides a sliding-vane air compressor 1, the utility model provides a sliding-vane air compressor 1 adopts water lubrication, and atomizing water entry 402 in the atomizing device 40 is connected with the fuel cell system, and hydrogen and oxygen among the fuel cell system react and generate water and get into atomizer 401, spout into inlet channel 105 from atomizing water outlet 403 after atomizing. The external air is sucked in from the air inlet 111, and the atomized water molecules moisten the air and enter the first chamber 1031 and the second chamber 1032 from the first air inlet 106 and the second air inlet 107 through the air inlet channel 105, and then enter the air outlet channel 104 from the first air outlet 108 and the second air outlet 109 after being compressed, and finally are discharged through the air outlet 110.

The utility model discloses a design of two-chamber, two air inlets, two gas outlets has promoted its output air's ability, has improved the flow promptly. The motor 50 directly drives the air system from the time the motor 50 drives the moving parts to the time the air is compressed and delivered out of the system without excessive intermediate parts to dissipate the power of the motor 50. Meanwhile, the atomization device 40 is integrated, heat dissipation and lubrication are both considered, the problem of oil leakage of the existing product is solved from the root, and an additional heat dissipation device is not needed. In order to ensure the performance and the durability, the friction-resistant friction piece 113 is designed by using the wear-resistant alloy, and when the air compressor works, the friction generates fewer fine particles, so that the reliability of the whole machine is higher, and the durability is better.

The rotor assembly 20 is provided with 6 sliding grooves 203 and two guide rods 204, and the guide rods 204 are sleeved with springs 205 to assist the sliding vane assembly 30 to be pushed out, so that the sliding vane assembly 30 is always tightly attached to the inner wall 102 of the cylinder body 10. In addition, at the position of the protrusion 2031 in the sliding groove 203, the corresponding slot 3031 is also provided on the slide assembly 30 to limit the movement of the slide assembly 30 along the axial direction of the rotor assembly 20, so that the slide assembly 30 is positioned without being biased to cause poor sealing performance. Double annular steps 210 are designed on the end faces of the two ends of the rotor assembly 20, and form a sealing structure with the double annular grooves of the end cover 112, so that gas leakage can be effectively reduced. The pair of rolling devices 302 is arranged on the slide piece assembly 30, sliding friction is converted into rolling friction, the friction coefficient is greatly reduced, the durability of each part is increased, generated solid particles are greatly reduced, the cleanliness of output air is improved, the generated heat of rolling friction is small, the whole machine cannot generate overhigh temperature during movement, and the requirement on heat dissipation is small. And two thrust ball bearings 206 are added on the transmission shaft 202 of the air compressor, so that the dynamic balance of the system during operation is ensured.

The verification on a test prototype proves that the rotating speed of the existing similar product needs to reach approximately 10000rpm when the air flow reaches 30g/s under the condition that the pressure ratio is 1.5-1.8. And the sliding vane air compressor 1 of the utility model has the air flow rate reaching 80g/s when the rotating speed is 800 rpm.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A sliding-vane air compressor comprises a rotor assembly, a cylinder body and a plurality of sliding vane assemblies, wherein the sliding vane assemblies are connected to the periphery of the rotor assembly;

the method is characterized in that:

2. The sliding-vane air compressor according to claim 1, wherein the air inlet channel and the air outlet channel are staggered in the axial direction of the rotor assembly, an air outlet and an air inlet are provided on the outer wall of the cylinder, the air outlet is communicated with the air outlet channel, and the air inlet is communicated with the air inlet channel.

3. The sliding vane air compressor as claimed in claim 1 wherein the cylinder cavity is an elliptical configuration and the axis of the rotor assembly is centered within the cylinder cavity.

4. The sliding vane air compressor as claimed in claim 3 wherein the first air inlet is located on an opposite side of the second air inlet relative to an axial center of the rotor assembly and the first air outlet is located on an opposite side of the second air outlet relative to the axial center of the rotor assembly.

5. The sliding vane air compressor as claimed in claim 4 wherein said first air inlet is angularly spaced less than 180 degrees from said first air outlet and said second air inlet is angularly spaced less than 180 degrees from said second air outlet.

6. The sliding vane air compressor as claimed in claim 1 wherein said rotor assembly is of cylindrical construction; six chutes are formed in the circumferential surface of the rotor assembly at equal intervals, the sliding piece assemblies are arranged in the chutes and can slide along the depth direction of the chutes, and the tail ends of the sliding piece assemblies are always in contact with the inner wall of the cylinder body.

7. The sliding-vane air compressor as claimed in claim 6, wherein a guide portion is provided in the sliding slot, and a guided portion is provided on the sliding-vane assembly, the guide portion and the guided portion cooperating to slide the sliding-vane assembly in a radial direction of the rotor assembly.

8. The sliding vane air compressor as claimed in claim 6 wherein a resilient member is further provided in the slide slot for biasing the vane assembly in a direction to slide out of the slide slot.

9. The sliding-vane air compressor according to claim 8, wherein one or more guide rods are disposed in the sliding groove, a head end of the sliding-vane assembly opposite to the tail end is provided with receiving cavities corresponding to the guide rods one to one, the guide rods are inserted into the receiving cavities, the elastic element is a spring, and the spring is sleeved on the guide rods.

10. The sliding vane air compressor as claimed in claim 1, wherein the end of the sliding vane assembly is directed to the inner wall of the cylinder, the head end of the sliding vane assembly is directed to the rotor assembly, the sliding vane assembly comprises a sliding vane body and a rolling device, the rolling device is disposed at the end of the sliding vane assembly, and the rolling device abuts against the inner wall of the cylinder.

11. The sliding vane air compressor as claimed in claim 10 wherein each of said sliding vane members is provided with two of said rolling means provided at both ends of said sliding vane member in the axial direction of said rotor assembly.

12. The sliding-vane air compressor as claimed in claim 11, wherein the sliding-vane body has two grooves, the rolling device is disposed in the grooves, the rolling device includes a connecting rod, a bearing and a bearing sleeve, the bearing sleeve is disposed on the connecting rod, the bearing sleeve is disposed on the bearing, and the connecting rod is fixedly connected in the grooves.

13. The sliding vane air compressor as claimed in claim 1 wherein said cylinder further comprises two end caps covering both sides of said cylinder inner wall and cylinder outer wall in the axial direction of said rotor assembly, respectively.

14. The sliding vane air compressor as claimed in claim 13 wherein the rotor assembly is provided with a double annular step on both end faces in the axial direction, and a double annular groove is provided on both end caps, the double annular step and the double annular step forming a labyrinth seal.

15. The sliding vane air compressor as claimed in claim 1 further comprising an electric motor for driving rotation of said rotor assembly.

16. The sliding vane air compressor as claimed in any one of claims 1-15 wherein the rotor assembly comprises a rotor body and a transmission shaft, the transmission shaft is inserted into the rotor body, and both ends of the transmission shaft are connected with thrust ball bearings.

17. The sliding vane air compressor as claimed in any one of claims 1 to 15 wherein the inner surface of the cylinder inner wall is embedded with a friction member, and the friction member is made of wear-resistant alloy.

18. The sliding vane air compressor as claimed in any one of claims 1-15 further comprising an atomizing means for providing atomized water to said intake passage.