CN206668512U - A kind of micro metal film valve oil-free air compressor - Google Patents
A kind of micro metal film valve oil-free air compressor Download PDFInfo
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- CN206668512U CN206668512U CN201720343312.1U CN201720343312U CN206668512U CN 206668512 U CN206668512 U CN 206668512U CN 201720343312 U CN201720343312 U CN 201720343312U CN 206668512 U CN206668512 U CN 206668512U
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Abstract
本实用新型公开了一种微型金属膜阀无油空气压缩机，主壳体设置进气口，主壳体左右两侧均设置活塞缸和储气缸，主壳体后端设置壳底盖，主壳体前端设置直流电机，直流电机电机轴上设置偏心轴，偏心轴上套设两个轴承，轴承连接活塞杆，两个活塞杆泵头端分别位于活塞缸内，活塞杆泵头端外侧面由内向外设置密封皮碗、密封皮碗压座和第一金属膜阀片，活塞缸外侧设置第二金属膜阀片；活塞杆设置活塞杆导气孔，密封皮碗压座设置密封皮碗压座导气孔，活塞缸外侧设置活塞缸导气孔，储气缸设置出气口。本实用新型解决了便携设备中空气压缩机组件体积和噪音的问题，具有结构简单、体积小、噪音低等特点。
The utility model discloses a miniature metal membrane valve oil-free air compressor. The main casing is provided with an air inlet, and the left and right sides of the main casing are provided with a piston cylinder and an air storage cylinder. The rear end of the main casing is provided with a shell bottom cover. A DC motor is arranged at the front end of the housing, and an eccentric shaft is arranged on the motor shaft of the DC motor. Two bearings are sleeved on the eccentric shaft, and the bearings are connected to the piston rod. The sealing cup, the sealing cup seat and the first metal film valve plate are set from the inside to the outside, and the second metal film valve plate is set outside the piston cylinder; the piston rod is provided with a piston rod air hole, and the sealing cup seat is provided with a sealing cup The seat air guide hole, the piston cylinder air guide hole is arranged on the outside of the piston cylinder, and the air storage cylinder is provided with an air outlet. The utility model solves the volume and noise problems of the air compressor assembly in the portable device, and has the characteristics of simple structure, small volume, low noise and the like.
Description
技术领域technical field
本实用新型涉及气体压缩技术领域，更具体的说，是涉及一种微型金属膜阀无油空气压缩机。The utility model relates to the technical field of gas compression, in particular to a miniature metal membrane valve oil-free air compressor.
背景技术Background technique
目前的无油空气压缩机多为精密的活塞或螺杆式压缩机，输出气体压力要求不高，但有一定的低噪音要求，特别是应用在病房或家用保健类设备(如制氧机)中，对产品的体积与噪音较高的要求。Most of the current oil-free air compressors are precision piston or screw compressors, and the output gas pressure is not high, but there is a certain low noise requirement, especially in wards or household health care equipment (such as oxygen generators). , higher requirements on the volume and noise of the product.
然而，市场中的小型无油空气压缩机体积相对较大、产生震动噪音相对较高，大多应用到固定位置的设备中，很难应用到便个人便携设备。However, the small oil-free air compressors in the market are relatively large in size and generate relatively high vibration and noise. Most of them are used in fixed-position equipment, and it is difficult to apply to personal portable equipment.
实用新型内容Utility model content
本实用新型的目的是至少在一定程度上解决上述技术问题之一或至少提供一种有用的商业选择，提出了一种微型金属膜阀无油空气压缩机，解决了便携设备中空气压缩机组件体积和噪音的问题，具有结构简单、体积小、噪音低等特点。The purpose of this utility model is to solve one of the above-mentioned technical problems at least to a certain extent or at least provide a useful commercial option. A miniature metal membrane valve oil-free air compressor is proposed, which solves the problem of air compressor components in portable equipment. The problem of volume and noise has the characteristics of simple structure, small volume and low noise.
本实用新型的目的是通过以下技术方案实现的。The purpose of this utility model is achieved through the following technical solutions.
本实用新型的一种微型金属膜阀无油空气压缩机，包括空心主壳体，所述主壳体设置有进气口，所述主壳体左右两侧面均由内向外设置有活塞缸和储气缸，所述主壳体后端面设置有内侧安装有壳底盖轴承的壳底盖，所述主壳体前端面设置有末端固定于壳底盖轴承内的直流电机，所述直流电机的电机轴上设置有偏心轴，所述偏心轴上套设有两个轴承，每个轴承均连接一个活塞杆，两个活塞杆的泵头端分别位于左右两侧的活塞缸内，每个所述活塞杆的泵头端外侧面均由内向外依次设置有密封皮碗、密封皮碗压座和第一金属膜阀片，所述活塞缸外侧面设置有第二金属膜阀片；A miniature metal membrane valve oil-free air compressor of the present utility model comprises a hollow main casing, the main casing is provided with an air inlet, and the left and right sides of the main casing are provided with piston cylinders and cylinders from the inside to the outside. For an air storage cylinder, the rear end of the main housing is provided with a shell bottom cover with a shell bottom cover bearing installed inside, and the front end of the main housing is provided with a DC motor whose end is fixed in the bearing of the shell bottom cover. An eccentric shaft is arranged on the motor shaft, and two bearings are sleeved on the eccentric shaft, and each bearing is connected to a piston rod. The pump heads of the two piston rods are respectively located in the piston cylinders on the left and right sides. The outer surface of the pump head end of the piston rod is provided with a sealing cup, a sealing cup pressure seat and a first metal film valve plate in sequence from the inside to the outside, and the second metal film valve plate is provided on the outer surface of the piston cylinder;
每个所述活塞杆均设置有与主壳体内腔相连通的活塞杆导气孔，每个所述密封皮碗压座均设置有与活塞杆导气孔相连通的密封皮碗压座导气孔，所述密封皮碗压座导气孔被第一金属膜阀片边缘覆盖，每个所述活塞缸外侧均设置有与活塞缸腔体相连通的活塞缸导气孔，所述活塞缸导气孔被第二金属膜阀片边缘覆盖，每个所述储气缸均设置有出气口。Each of the piston rods is provided with a piston rod air guide hole that communicates with the inner cavity of the main housing, and each of the sealing cup press seats is provided with a seal cup press seat air guide hole that communicates with the piston rod air guide hole, The air guide hole of the sealing cup pressure seat is covered by the edge of the first metal film valve plate, and each piston cylinder is provided with a piston cylinder air guide hole connected with the piston cylinder cavity, and the piston cylinder air guide hole is covered by the first metal film valve plate. The edges of the two metal film valve plates are covered, and each of the air storage cylinders is provided with an air outlet.
所述直流电机的电机轴上设置有配重飞轮。A counterweight flywheel is arranged on the motor shaft of the DC motor.
所述第一金属膜阀片通过金属膜阀压盖和压盖螺丝固定于密封皮碗压座外侧面。The first metal film valve plate is fixed on the outer surface of the sealing cup pressure seat through the metal film valve gland and gland screws.
所述第二金属膜阀片由金属膜阀压帽和压帽螺丝固定于活塞缸外侧面。The second metal film valve plate is fixed on the outer surface of the piston cylinder by a metal film valve pressure cap and a pressure cap screw.
所述主壳体、活塞缸和储气缸之间通过螺栓固定连接，所述活塞缸和储气缸之间通过密封圈密封连接。The main casing, the piston cylinder and the air storage cylinder are fixedly connected by bolts, and the piston cylinder and the air storage cylinder are sealed and connected by a sealing ring.
与现有技术相比，本实用新型的技术方案所带来的有益效果是：Compared with the prior art, the beneficial effects brought by the technical solution of the utility model are:
(1)本实用新型中第一金属膜阀片的边缘覆盖密封皮碗压座导气孔，第二金属膜阀片的边缘覆盖活塞气缸导气孔，气体进入活塞气缸和储气缸是经由第一金属膜阀片和第二金属膜阀片来控制完成，当金属膜阀片两侧有较大压差气体时，膜片边缘被气压弹起而导通导气孔或被压紧在导气孔口处而封闭了导气孔，起到单向阀的作用；(1) In the utility model, the edge of the first metal film valve plate covers the air guide hole of the sealing cup pressure seat, and the edge of the second metal film valve plate covers the air guide hole of the piston cylinder, and the gas enters the piston cylinder and the storage cylinder through the first metal Diaphragm valve and the second metal membrane valve to complete the control, when there is a large pressure difference gas on both sides of the metal membrane valve, the edge of the diaphragm is bounced by the air pressure and leads to the air hole or is compressed at the air hole The air guide hole is closed to play the role of a one-way valve;
(2)本实用新型直流电机的电机轴上装有配重飞轮，减小了压缩机工作震动和噪音；超薄金属膜阀片的边缘摆动，完成气阀高速封闭和开启，只会产生极少的噪音；(2) The motor shaft of the DC motor of the utility model is equipped with a counterweight flywheel, which reduces the vibration and noise of the compressor; noise;
(3)本实用新型超薄的金属膜阀片，节省空间，减少了单向阀片的体积，进而减小了空气压缩机的体积。(3) The ultra-thin metal film valve plate of the utility model saves space, reduces the volume of the one-way valve plate, and further reduces the volume of the air compressor.
附图说明Description of drawings
图1是本实用新型一种微型金属膜阀无油空气压缩机的主视剖面图；Fig. 1 is the front sectional view of a kind of miniature metal film valve oil-free air compressor of the present utility model;
图2是本实用新型一种微型金属膜阀无油空气压缩机的俯视剖面图；Fig. 2 is a top sectional view of a miniature metal film valve oil-free air compressor of the present invention;
图3是本实用新型一种微型金属膜阀无油空气压缩机的爆炸结构示意图。Fig. 3 is a schematic diagram of an explosion structure of a miniature metal film valve oil-free air compressor of the present invention.
附图标记:1主壳体；2直流电机；3偏心轴；4轴承；5活塞杆；6压盖螺丝；7密封皮碗；8密封皮碗压座；9第一金属膜阀片；10金属膜阀压盖；11活塞缸；12金属膜阀压帽；13压帽螺丝；14储气缸；15出气口；16进气口；17活塞杆导气孔；18配重飞轮；19密封圈；20壳底盖轴承；21壳底盖；22密封皮碗压座导气孔；23活塞缸导气孔；24第二金属膜阀片。Reference signs: 1 main shell; 2 DC motor; 3 eccentric shaft; 4 bearing; 5 piston rod; 6 gland screw; 7 sealing cup; Metal membrane valve gland; 11 piston cylinder; 12 metal membrane valve pressure cap; 13 pressure cap screw; 14 air storage cylinder; 15 air outlet; 16 air inlet; 20 shell bottom cover bearing; 21 shell bottom cover; 22 sealed cup pressure seat air guide hole; 23 piston cylinder air guide hole; 24 second metal film valve plate.
具体实施方式detailed description
下面结合附图对本实用新型作进一步的描述。Below in conjunction with accompanying drawing, the utility model is further described.
如图1至图3所示，本实用新型的一种微型金属膜阀无油空气压缩机，包括空心主壳体1，所述主壳体1顶部设置有进气口16，所述主壳体1左右两侧面均由内向外设置有活塞缸11和储气缸14，所述主壳体1、活塞缸11和储气缸14之间通过螺栓固定连接，所述活塞缸11和储气缸14之间通过密封圈19密封连接。所述主壳体1后端面通过螺栓固定有壳底盖21，所述壳底盖21内侧安装有壳底盖轴承20。所述主壳体1前端面设置有直流电机2，所述直流电机2可采用长轴电机，所述直流电机2的末端固定于壳底盖轴承20内，所述直流电机2的电机轴上由前至后设置有偏心轴3和配重飞轮18，所述偏心轴3上沿长度方向套设有两个轴承4，每个轴承4均连接一个活塞杆5，两个活塞杆5的泵头端分别位于左右两侧的活塞缸11内。所述直流电机2通过偏心轴3经轴承4连接活塞杆5，直流电机2的电机轴旋转带动偏心轴3，由偏心轴3作用两侧的活塞杆5在两侧活塞缸11之间进行双向往复运动。每个所述活塞杆5的泵头端外侧面均由内向外依次固定设置有密封皮碗7、密封皮碗压座8和第一金属膜阀片9，所述第一金属膜阀片9通过设置于中心的金属膜阀压盖10和压盖螺丝6固定于密封皮碗压座8外侧面。所述活塞缸11外侧面设置有第二金属膜阀片24，所述第二金属膜阀片24由金属膜阀压帽12和压帽螺丝13固定于活塞缸11外侧面。所述第一金属膜阀片9和第二金属膜阀片24均采用圆形超薄金属膜阀片，其中心位置固定，活塞缸11的气体单向进出由圆形金属膜阀片控制完成。As shown in Figures 1 to 3, a miniature metal film valve oil-free air compressor of the present invention includes a hollow main casing 1, an air inlet 16 is arranged on the top of the main casing 1, and the main casing The left and right sides of the body 1 are provided with a piston cylinder 11 and an air storage cylinder 14 from the inside to the outside. The main housing 1, the piston cylinder 11 and the air storage cylinder 14 are fixedly connected by bolts. The space is sealed and connected by a sealing ring 19. The rear end surface of the main housing 1 is fixed with a case bottom cover 21 by bolts, and a case bottom cover bearing 20 is installed inside the case bottom cover 21 . The front end of the main housing 1 is provided with a DC motor 2, the DC motor 2 can be a long-axis motor, the end of the DC motor 2 is fixed in the bearing 20 of the shell bottom cover, and the motor shaft of the DC motor 2 An eccentric shaft 3 and a counterweight flywheel 18 are arranged from front to back, and two bearings 4 are sleeved on the eccentric shaft 3 along the length direction, each bearing 4 is connected to a piston rod 5, and the pump of the two piston rods 5 The head ends are respectively located in the piston cylinders 11 on the left and right sides. The DC motor 2 is connected to the piston rod 5 through the eccentric shaft 3 through the bearing 4, the motor shaft of the DC motor 2 rotates to drive the eccentric shaft 3, and the piston rod 5 on both sides acts on the eccentric shaft 3 to carry out bidirectional operation between the piston cylinders 11 on both sides. reciprocating motion. The outer surface of the pump head end of each of the piston rods 5 is sequentially fixed with a sealing cup 7, a sealing cup seat 8 and a first metal film valve plate 9 from the inside to the outside. The first metal film valve plate 9 It is fixed on the outer surface of the sealing cup pressure seat 8 through the metal membrane valve gland 10 and the gland screw 6 arranged in the center. The outer surface of the piston cylinder 11 is provided with a second metal film valve plate 24 , and the second metal film valve plate 24 is fixed on the outer surface of the piston cylinder 11 by the metal film valve pressure cap 12 and the pressure cap screw 13 . Both the first metal film valve plate 9 and the second metal film valve plate 24 are circular ultra-thin metal film valve plates, the center position of which is fixed, and the gas one-way entry and exit of the piston cylinder 11 is controlled by the circular metal film valve plate. .
每个所述活塞杆5均设置有与主壳体1内腔相连通的活塞杆导气孔17；每个所述密封皮碗压座8均设置有与活塞杆导气孔17相连通的密封皮碗压座导气孔22，所述密封皮碗压座导气孔22恰好被第一金属膜阀片9边缘覆盖，由第一金属膜阀片9控制密封皮碗压座导气孔22的开关；每个所述活塞缸11外侧均设置有与活塞缸11腔体相连通的活塞缸导气孔23，所述活塞缸导气孔23恰好被第二金属膜阀片24边缘覆盖，由第二金属膜阀片24控制活塞缸导气孔23的开关；每个所述储气缸14均设置有出气口15。Each of the piston rods 5 is provided with a piston rod air guide hole 17 that communicates with the inner cavity of the main housing 1; The air guide hole 22 of the bowl pressure seat, the air guide hole 22 of the sealed leather bowl pressure seat is just covered by the edge of the first metal film valve plate 9, and the switch of the air guide hole 22 of the sealed leather bowl pressure seat is controlled by the first metal film valve plate 9; The outer sides of each of the piston cylinders 11 are provided with a piston cylinder air guide hole 23 communicating with the piston cylinder 11 cavity, and the piston cylinder air guide hole 23 is just covered by the edge of the second metal film valve plate 24, and is formed by the second metal film valve. The sheet 24 controls the switch of the air guide hole 23 of the piston cylinder; each of the air storage cylinders 14 is provided with an air outlet 15 .
本实用新型的工作原理：当活塞杆5向电机轴方向运动时，活塞缸11内形成负压，储气缸14内气体压紧活塞缸11外侧第二金属膜阀片24，封闭了活塞缸导气孔23；同时，外部空气通过进气口16进入主壳体1内，经由活塞杆导气孔17、密封皮碗压座导气孔22，推起密封皮碗压座8外侧面的第一金属膜阀片9边缘，进入活塞缸11内。当活塞杆5向活塞缸11方向运动时，活塞缸11内产生压力气体，压紧密封皮碗压座8外侧面的第一金属膜阀片9，封闭了密封皮碗压座导气孔22，活塞缸11内被压缩的气体经活塞缸导气孔23推起活塞缸11外侧面的第二金属膜阀片24边缘，进入储气缸14，出气口15连接外部开关阀控制压缩气体释放。The working principle of the utility model: when the piston rod 5 moves towards the direction of the motor shaft, a negative pressure is formed in the piston cylinder 11, and the gas in the gas storage cylinder 14 presses the second metal film valve plate 24 outside the piston cylinder 11, and the piston cylinder guide is closed. Air hole 23; at the same time, external air enters the main housing 1 through the air inlet 16, and pushes up the first metal film on the outer surface of the sealing cup pressing seat 8 through the piston rod air guiding hole 17 and the sealing cup pressing seat air guiding hole 22 The edge of the valve plate 9 enters the piston cylinder 11. When the piston rod 5 moves toward the piston cylinder 11, pressure gas is generated in the piston cylinder 11, which presses the first metal film valve plate 9 on the outer surface of the sealing cup press seat 8, and closes the air guide hole 22 of the sealing cup press seat. The compressed gas in the piston cylinder 11 pushes up the edge of the second metal film valve plate 24 on the outer surface of the piston cylinder 11 through the piston cylinder air guide hole 23, and enters the gas storage cylinder 14, and the gas outlet 15 is connected to an external switch valve to control the release of compressed gas.
尽管上面结合附图对本实用新型的功能及工作过程进行了描述，但本实用新型并不局限于上述的具体功能和工作过程，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本实用新型的启示下，在不脱离本实用新型宗旨和权利要求所保护的范围情况下，还可以做出很多形式，这些均属于本实用新型的保护之内。Although the function and working process of the present utility model have been described above in conjunction with the accompanying drawings, the utility model is not limited to the above-mentioned specific functions and working process, and the above-mentioned specific implementation is only illustrative, rather than restrictive. Under the enlightenment of the utility model, those skilled in the art can also make many forms without departing from the purpose of the utility model and the protection scope of the claims, and these all belong to the protection of the utility model.
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| CN201720343312.1U CN206668512U (en) | 2017-04-02 | 2017-04-02 | A kind of micro metal film valve oil-free air compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061235A (en) * | 2017-04-02 | 2017-08-18 | 中国医学科学院生物医学工程研究所 | A kind of micro metal film valve oil-free air compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061235A (en) * | 2017-04-02 | 2017-08-18 | 中国医学科学院生物医学工程研究所 | A kind of micro metal film valve oil-free air compressor |
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