WO2022134339A1 - 一种凸轮驱动刮片式压缩机及其使用方法 - Google Patents

一种凸轮驱动刮片式压缩机及其使用方法 Download PDF

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Publication number
WO2022134339A1
WO2022134339A1 PCT/CN2021/082706 CN2021082706W WO2022134339A1 WO 2022134339 A1 WO2022134339 A1 WO 2022134339A1 CN 2021082706 W CN2021082706 W CN 2021082706W WO 2022134339 A1 WO2022134339 A1 WO 2022134339A1
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compartment
cam
disc
spline shaft
cylinder liner
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PCT/CN2021/082706
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English (en)
French (fr)
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白顺科
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南京工业职业技术大学
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Publication of WO2022134339A1 publication Critical patent/WO2022134339A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/18—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/10—Stators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/20—Rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components

Definitions

  • the invention relates to the field of compressors, in particular to a cam-driven wiper type compressor and a method for using the same.
  • the wiper compressor As a general equipment for compressing atmospheric pressure gas into gas with higher pressure, the wiper compressor is widely used in many industries. It has the advantages of simple structure and manufacturing process, small size, low cost and convenient maintenance. Therefore, it is preferentially used in low-power occasions where space is small, cost control and easy maintenance are required.
  • the scraper of the scraper compressor usually uses the pressure of the return spring or the centrifugal force generated by the rotation of the disc-shaped compartment to maintain the seal between the scraper and the cylinder wall. This method balances the friction and sealing between the scraper and the chute.
  • the contradictory treatment becomes complicated.
  • the operating speed of the compressor changes greatly, especially when the rotational speed is low, the compressor will run unstable due to the radial vibration of the scraper or the friction with the chute.
  • the current wiper type compressor adopts radially sliding wiper blades, resulting in a large outer diameter, a fixed compression ratio that cannot be adjusted, and a large output pressure pulsation. Based on the above reasons, it is necessary to improve the stability of the output pressure of the wiper compressor, facilitate the adjustment of the compression ratio, and reduce the external dimensions on the basis of retaining the inherent advantages of the wiper compressor.
  • the purpose of the present invention is to provide a cam-driven wiper-type compressor to solve the above-mentioned defects in the prior art.
  • a cam-driven scraper-type compressor comprising a cylinder liner, a disc-shaped compartment, an end face cam, an end cover, an oil seal bearing, a spline shaft and a regulator;
  • the disc-shaped compartment includes a compartment bottom plate, a plurality of scrapers arranged in the radial chute at the bottom of the compartment bottom plate, and a return spring arranged at the bottom of the scraper.
  • the disc-shaped compartment is embedded in the cylinder liner, and the end cam can be rotated It is overlaid on the disc-shaped compartment and forms a plurality of relatively independent compartments with the bottom plate of the compartment, the scraper and the cylinder liner.
  • the bottom plate of the compartment is provided with a compartment air hole corresponding to each compartment in the axial direction and is connected with the cylinder.
  • the cylinder liner air holes on the bottom plate of the sleeve correspond to each other, and the outer side of the cylinder liner air holes is branched into two independent air holes, which are respectively connected with the respective intake check valve and exhaust check valve, and the intake check valve communicated with each compartment.
  • the valve and the exhaust one-way valve are collected to the intake port and the exhaust port respectively;
  • the end cover encapsulates the disc-shaped compartment and the end face cam in the cylinder liner through the sealing ring.
  • the end face cam is connected with the prime mover through the spline shaft.
  • the adjusting fork is installed on the spline shaft and is used to adjust the exhaust pressure of the compressor .
  • the spline shaft includes a drive spline shaft, a spline sleeve and a cam spline shaft penetrating the end face cam, and the outer end of the spline sleeve with an annular neck groove at the waist is slidably sleeved on the drive spline shaft The inner end is embedded and connected with the cam spline shaft.
  • the adjuster includes a shift fork, an adjustment seat, an adjustment screw, a locking nut and a rotating handle connected to one end of the adjustment screw, the adjustment screw is connected to the fork and the adjustment seat through a thread, and the locking nut is sleeved on the adjustment screw.
  • the adjusting screw is placed on the outer side of the fork; the fork is slidably embedded in the annular neck groove of the waist of the spline sleeve.
  • the adjuster includes a shift fork, an adjustment seat, an adjustment screw, a locking nut and a rotating handle connected to one end of the adjustment screw, the adjustment screw is connected to the fork and the adjustment seat through a thread, and the locking nut is sleeved on the adjustment screw.
  • the adjusting screw is placed on the outer side of the fork; the fork is slidably embedded in the annular neck groove of the waist of the spline sleeve.
  • the division of the compartments of the disk-shaped compartment adopts an even number of not less than 4, and the contour line design of the end face cam 3 ensures that each time it rotates once, the number of changes in the volume of each compartment is an even number of not less than 2.
  • the present invention is rotatably covered on the disc-shaped compartment through the end face cam, and forms a plurality of relatively independent compartments with the compartment bottom plate, the scraper and the cylinder liner, and the end face cam is used to drive the disc-shaped compartment.
  • the scraper in the pump moves axially to realize the synchronous change of the volumes of multiple suction-exhaust compartments, so as to obtain a stable output pressure.
  • the overall structure design is conducive to stabilizing the load, reducing the size of the whole machine, reducing the operating noise and facilitating the adjustment of the output pressure.
  • FIG. 1 is a schematic diagram of the overall configuration of an embodiment of the present invention.
  • FIG. 2 is a partial structural development detail view of the embodiment of the present invention.
  • cylinder liner 1 cylinder liner air hole 11, sealing ring 12, disc compartment 2, compartment bottom plate 21, scraper 22, return spring 23, compartment air hole 24, end cam 3, end cover 4, oil seal bearing 5.
  • this embodiment includes a cylinder liner 1, a disc-shaped compartment 2, an end face cam 3, an end cover 4, an oil seal bearing 5, a spline shaft and an adjuster.
  • the disc-shaped compartment 2 includes a compartment floor 21, a plurality of scrapers 22 arranged in the radial chute at the bottom of the compartment floor 21, and a return spring 23 arranged at the bottom of the scraper 22.
  • the disc-shaped compartment 2 is embedded in the cylinder.
  • the end cam 3 is rotatably covered on the disc-shaped compartment 2 and forms a plurality of relatively independent compartments with the compartment bottom plate 21, the scraper 22 and the cylinder liner 1.
  • the bottom plate of the compartment bottom plate 21 corresponds to each Each compartment is provided with a compartment air hole 24 in the axial direction and correspondingly passes through the cylinder liner air hole 11 on the bottom plate of the cylinder liner 1.
  • the outer side of the cylinder liner air hole 11 is branched into two independent air holes, which are respectively connected with the respective intake check valves. 71 is communicated with the exhaust one-way valve 81, and the intake one-way valve 71 and the exhaust one-way valve 81 communicated with each compartment are collected into the intake port 7 and the exhaust port 8 respectively; The disc-shaped compartment 2 and the face cam 3 are enclosed in the cylinder liner 1 .
  • the spline shaft includes a drive spline shaft 61, a spline sleeve 62 and a cam spline shaft 63 penetrating the end face cam 3.
  • the outer end of the spline sleeve 62 with an annular neck groove at the waist is slidably sleeved on the drive spline shaft 61 and the inner end is embedded and connected with the cam spline shaft 63 .
  • the adjuster includes a shift fork 91, an adjustment seat 92, an adjustment screw 93, a lock nut 94 and a rotating handle 95 connected to one end of the adjustment screw 93.
  • the adjustment screw 93 is threadedly connected to the fork 91 and the adjustment seat 92, and is locked.
  • the nut 94 is sleeved on the outer side of the fork 91 on the adjusting screw 93 ; the fork 91 is slidably embedded in the annular neck groove of the waist of the spline sleeve 62 .
  • the end face cam 3 allows a play gap of not less than 1/5 of the stroke of the scraper 22 between the end cover 4 and the disc-shaped compartment 2 .
  • the division of the compartments of the disc-shaped compartment 2 adopts an even number not less than 4, and the contour line design of the end face cam 3 ensures that the number of changes in the volume of each compartment is an even number not less than 2 when it rotates once.
  • the return spring 23 is made of spring steel
  • the sealing ring 12, the oil seal bearing 5, the intake check valve 71 and the exhaust check valve 81 are standard parts or customized parts, and the other parts are made of mature metal materials. craftsmanship.
  • the embodiment of the present invention is connected to the prime mover through a spline shaft linked with the end cam 3 in use.
  • the scraper 22 in the disc-shaped compartment 2 is also accompanied by Axial sliding is performed in the chute of the compartment bottom plate 21, so as to form a plurality of compartments with periodically changing space volumes between the disc-shaped compartment 2 and the cylinder liner 1, and the volume of each compartment varies from a small
  • the gas is sucked in from the intake port 7 through the intake check valve 71, and when the volume of the compartment changes from large to small, the gas is discharged through the exhaust check valve 81 and collected to the exhaust port 8, and regardless of the end face cam 3 Forward or reverse rotation, the suction and discharge directions of the compressor will not change.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

一种凸轮驱动刮片式压缩机及其使用方法，压缩机包括缸套（1）、盘形隔舱（2）、端面凸轮（3）、端盖（4）、油封轴承（5）、花键轴和调节器，采用端面凸轮（3）驱动盘形隔舱（2）中的刮片（22）作轴向运动从而实现多个吸气-排气隔舱室的容积的同步变化，并且采用拨叉（91）-花键轴机构实现压缩比的调节。

Description

一种凸轮驱动刮片式压缩机及其使用方法 技术领域
本发明涉及压缩机领域，具体涉及一种凸轮驱动刮片式压缩机及其使用方法。
背景技术
刮片式压缩机作为一种将常压气体压缩成具有更高压力的气体的通用设备在很多行业被广泛使用的设备，它具有结构和制造工艺简单、体积小、成本低、维护方便等优点，因而在空间狭小、成本控制和易维护性要求高的低功率场合得到优先采用。刮片式压缩机的刮片通常采用复位弹簧的压力或盘形隔舱旋转产生的离心力保持刮片与缸壁间的密封，这种方式使得平衡刮片与滑槽间的摩擦力与密封性的矛盾处理变得复杂，压缩机的运行速度变化较大特别是转速较低时会因刮片的径向振动或与滑槽间的摩擦问题导致压缩机的运行不稳定，这对压缩机的润滑、噪音控制和寿命也非常不利。此外，目前的刮片式压缩机采用径向滑动的刮片导致其外形直径仍然较大，压缩比固定而无法可调而且输出压力的脉动较大。基于上述原因，需要在保留刮片式压缩机固有优点的基础上改善其输出压力的稳定性、方便调整压缩比并减小外形尺寸。
发明内容
本发明的目的在于提供一种凸轮驱动刮片式压缩机，以解决现有技术存在的上述缺陷。
一种凸轮驱动刮片式压缩机，包括缸套、盘形隔舱、端面凸轮、端盖、油封轴承、花键轴和调节器；
盘形隔舱包括隔舱底板、多个设于隔舱底板底部径向滑槽中的刮片、设于刮片底部的复位弹簧，盘形隔舱嵌设于缸套中，端面凸轮可旋转地覆设于盘形隔舱上并与隔舱底板、刮片和缸套形成多个相对独立的隔舱室，隔舱底板底板上对应每个隔舱室沿轴向设有隔舱气孔且与缸套底板上的缸套气孔对应贯通，缸套气孔的外侧分支为两个独立的气孔且分别与各自的进气单向阀和排气单向阀连通，与 各隔舱室连通的进气单向阀和排气单向阀分别汇集到进气口和排气口；
端盖通过密封圈将盘形隔舱和端面凸轮封装于缸套中，端面凸轮通过花键轴与原动机相连，所述调节拔叉安装于花键轴上并用于调节压缩机的排气压力。
优选的，所述花键轴包括驱动花键轴、花键套和贯穿端面凸轮的凸轮花键轴，腰部设有环形颈槽的花键套的外端可滑动地套设于驱动花键轴而内端与凸轮花键轴嵌入连接。
优选的，所述调节器包括拨叉、调节座、调节螺杆、锁紧螺母和连接于调节螺杆一端的旋转把手，调节螺杆通过螺纹传接于拨叉和调节座上，锁紧螺母套设于调节螺杆上靠拨叉的外侧；拨叉可滑动地嵌设于花键套腰部的环形颈槽中。
优选的，所述调节器包括拨叉、调节座、调节螺杆、锁紧螺母和连接于调节螺杆一端的旋转把手，调节螺杆通过螺纹传接于拨叉和调节座上，锁紧螺母套设于调节螺杆上靠拨叉的外侧；拨叉可滑动地嵌设于花键套腰部的环形颈槽中。
优选的，所述盘形隔舱的隔舱室的分割采用不小于4的偶数，端面凸轮3的轮廓线设计保证其每旋转一周时，每个隔舱室的容积变化次数为不小于2的偶数。
本发明的优点在于：本发明通过端面凸轮可旋转地覆设于盘形隔舱上并与隔舱底板、刮片和缸套形成多个相对独立的隔舱室，利用端面凸轮驱动盘形隔舱中的刮片作轴向运动而实现多个吸气-排气隔舱的容积的同步变化，从而获得稳定的输出压力比较稳定，并且采用拨叉-花键轴机构实现压缩比的调节，特殊的整体结构设计有利于稳定负载、减小整机尺寸、降低运行噪音并方便调整输出压力。
附图说明
图1是本发明的实施例的总体构造示意图。
图2是本发明的实施例的局部构造展开详图。
图中，缸套1、缸套气孔11、密封圈12、盘形隔舱2、隔舱底板21、刮片22、复位弹簧23、隔舱气孔24、端面凸轮3、端盖4、油封轴承5、驱动花键轴61、凸轮花键轴62、花键套62、进气单向阀71、排气单向阀81、进气口7、排气口8、拨叉91、调节座92、调节螺杆93、锁紧螺母94、旋转把手95。
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施方式，进一步阐述本发明。
本发明实施例参阅图1-2，本实施例包括缸套1、盘形隔舱2、端面凸轮3、端盖4、油封轴承5、花键轴和调节器。
盘形隔舱2包括隔舱底板21、多个设于隔舱底板21底部径向滑槽中的刮片22、设于刮片22底部的复位弹簧23，盘形隔舱2嵌设于缸套1中，端面凸轮3可旋转地覆设于盘形隔舱2上并与隔舱底板21、刮片22和缸套1形成多个相对独立的隔舱室，隔舱底板21底板上对应每个隔舱室沿轴向设有隔舱气孔24且与缸套1底板上的缸套气孔11对应贯通，缸套气孔11的外侧分支为两个独立的气孔且分别与各自的进气单向阀71和排气单向阀81连通，与各隔舱室连通的进气单向阀71和排气单向阀81分别汇集到进气口7和排气口8；端盖4通过密封圈12将盘形隔舱2和端面凸轮3封装于缸套1中。
花键轴包括驱动花键轴61、花键套62和贯穿端面凸轮3的凸轮花键轴63，腰部设有环形颈槽的花键套62的外端可滑动地套设于驱动花键轴61而内端与凸轮花键轴63嵌入连接。
调节器包括拨叉91、调节座92、调节螺杆93、锁紧螺母94和连接于调节螺杆93一端的旋转把手95，调节螺杆93通过螺纹传接于拨叉91和调节座92上，锁紧螺母94套设于调节螺杆93上靠拨叉91的外侧；拨叉91可滑动地嵌设于花键套62腰部的环形颈槽中。
端面凸轮3在端盖4和盘形隔舱2之间允许有不小于刮片22的行程的1/5的游动间隙。
盘形隔舱2的隔舱室的分割采用不小于4的偶数，端面凸轮3的轮廓线设计保证其每旋转一周时，每个隔舱室的容积变化次数为不小于2的偶数。
在本实施例中，复位弹簧23采用弹簧钢制作，密封圈12、油封轴承5、进气单向阀71、排气单向阀81采用标准件或定制件，其余零部件采用金属材料用成熟工艺制作。
本实施例的工作过程如下：
参阅图1-2，本发明的实施例在使用中通过与端面凸轮3联动的花键轴与原动机相连，当端面凸轮3被驱动旋转时，盘形隔舱2中的刮片22也随同在隔舱底板21的滑槽中作轴向滑动，由，从而在盘形隔舱2和缸套1之间形成多个空间容积呈周期性变化的隔舱室，每个隔舱室的容积由小增大时通过进气单向阀71从进气口7吸入气体，当隔舱室的容积由大变小时通过排气单向阀81排出气体并被汇集到排气口8，而且无论端面凸轮3正转或反转，压缩机的吸气和排气方向都不会变化。在需要调节输出压力时，只需松开锁紧螺母94，通过旋转把手95旋转调节螺杆93即可通过花键轴调整端面凸轮3与盘形隔舱2底板的间距，从而改变各隔舱室的容积变化比进而调节压缩机的排气压力。
由技术常识可知，本发明可以通过其它的不脱离其精神实质或必要特征的实施方案来实现。因此，上述公开的实施方案，就各方面而言，都只是举例说明，并不是仅有的。所有在本发明范围内或在等同于本发明的范围内的改变均被本发明包含。

Claims (6)

  1. 一种凸轮驱动刮片式压缩机，其特征在于：包括缸套(1)、盘形隔舱(2)、端面凸轮(3)、端盖(4)、油封轴承(5)、花键轴和调节器；
    盘形隔舱(2)包括隔舱底板(21)、多个设于隔舱底板(21)底部径向滑槽中的刮片(22)、设于刮片(22)底部的复位弹簧(23)，盘形隔舱(2)嵌设于缸套(1)中，端面凸轮(3)可旋转地覆设于盘形隔舱(2)上并与隔舱底板(21)、刮片(22)和缸套(1)形成多个相对独立的隔舱室，隔舱底板(21)底板上对应每个隔舱室沿轴向设有隔舱气孔(24)且与缸套(1)底板上的缸套气孔(11)对应贯通，缸套气孔(11)的外侧分支为两个独立的气孔且分别与各自的进气单向阀(71)和排气单向阀(81)连通，与各隔舱室连通的进气单向阀(71)和排气单向阀(81)分别汇集到进气口(7)和排气口(8)；
    端盖(4)通过密封圈12将盘形隔舱(2)和端面凸轮(3)封装于缸套(1)中，端面凸轮(3)通过花键轴与原动机相连，所述调节拔叉安装于花键轴上并用于调节压缩机的排气压力。
  2. 根据权利要求1所述的一种凸轮驱动刮片式压缩机，其特征在于：所述花键轴包括驱动花键轴(61)、花键套(62)和贯穿端面凸轮(3)的凸轮花键轴(63)，腰部设有环形颈槽的花键套(62)的外端可滑动地套设于驱动花键轴(61)而内端与凸轮花键轴(63)嵌入连接。
  3. 根据权利要求2所述的一种凸轮驱动刮片式压缩机，其特征在于：所述调节器包括拨叉(91)、调节座(92)、调节螺杆(93)、锁紧螺母(94)和连接于调节螺杆(93)一端的旋转把手(95)，调节螺杆(93)通过螺纹传接于拨叉(91)和调节座(92)上，锁紧螺母(94)套设于调节螺杆(93)上靠拨叉(91)的外侧；拨叉(91)可滑动地嵌设于花键套(62)腰部的环形颈槽中。
  4. 根据权利要求3所述的一种凸轮驱动刮片式压缩机，其特征在于：所述端面凸轮(3)在端盖(4)和盘形隔舱(2)之间允许有不小于刮片(22)的行程的1/5的游动间隙。
  5. 根据权利要求4所述的一种凸轮驱动刮片式压缩机，其特征在于：所述盘形隔舱(2)的隔舱室的分割采用不小于4的偶数，端面凸轮(3)的轮廓线设计保证其每旋转一周时，每个隔舱室的容积变化次数为不小于2的偶数。
  6. 根据权利要求5所述的一种凸轮驱动刮片式压缩机的使用方法，其特征在 于，具体如下：
    在使用中通过与端面凸轮(3)联动的花键轴与原动机相连，当端面凸轮(3)被驱动旋转时，盘形隔舱(2)中的刮片(22)也随同在隔舱底板(21)的滑槽中作轴向滑动，由，从而在盘形隔舱(2)和缸套(1)之间形成多个空间容积呈周期性变化的隔舱室，每个隔舱室的容积由小增大时通过进气单向阀(71)从进气口(7)吸入气体，当隔舱室的容积由大变小时通过排气单向阀(81)排出气体并被汇集到排气口(8)，而且无论端面凸轮(3)正转或反转，压缩机的吸气和排气方向都不会变化；
    在需要调节输出压力时，只需松开锁紧螺母(94)，通过旋转把手(95)旋转调节螺杆(93)即可通过花键轴调整端面凸轮(3)与盘形隔舱(2)底板的间距，从而改变各隔舱室的容积变化比进而调节压缩机的排气压力。
PCT/CN2021/082706 2020-12-25 2021-03-24 一种凸轮驱动刮片式压缩机及其使用方法 WO2022134339A1 (zh)

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JPH08277785A (ja) * 1995-04-05 1996-10-22 Kayseven Co Ltd ベーンポンプ
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CN214247673U (zh) * 2020-12-25 2021-09-21 南京工业职业技术大学 一种凸轮驱动刮片式压缩机

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Publication number Priority date Publication date Assignee Title
US1236399A (en) * 1915-09-14 1917-08-14 George H Bowen Jr Differential-pressure mechanism.
US4047859A (en) * 1976-08-16 1977-09-13 Chandler Evans Inc Axial vane pump with non-rotating vanes
JPH08277785A (ja) * 1995-04-05 1996-10-22 Kayseven Co Ltd ベーンポンプ
CN2558791Y (zh) * 2002-06-24 2003-07-02 汤科儿 轴向贯穿滑片气压机
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