CN204627939U - The cylinder cap of diaphragm type compressor embeds cylinder body without oil distribution casing film header structure - Google Patents
The cylinder cap of diaphragm type compressor embeds cylinder body without oil distribution casing film header structure Download PDFInfo
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- CN204627939U CN204627939U CN201520159389.4U CN201520159389U CN204627939U CN 204627939 U CN204627939 U CN 204627939U CN 201520159389 U CN201520159389 U CN 201520159389U CN 204627939 U CN204627939 U CN 204627939U
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- 239000012528 membrane Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 29
- 238000007789 sealing Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
本实用新型公开了隔膜压缩机的缸盖嵌入缸体无配油盘膜头结构，属于隔膜压缩机技术领域，包括缸盖、缸体以及膜片，所述缸体上加工有与所述膜片相互配合的凸缘止口结构，所述膜片通过所述凸缘止口结构定位在所述缸盖与所述缸体之间，所述缸盖与所述缸体通过第一连接螺栓紧固连接；本实用新型膜片靠缸体止口定位；有益效果是减少泄漏点，无需在膜片上加工安装定位孔，可消除应力集中，提高膜片的使用寿命，并确保隔膜压缩机的正常运行。
The utility model discloses a membrane head structure in which the cylinder head of a diaphragm compressor is embedded in the cylinder body without an oil distribution plate, belongs to the technical field of diaphragm compressors, and includes a cylinder head, a cylinder body and a diaphragm, and the cylinder body is processed with the diaphragm The flange seam structure that cooperates with each other, the diaphragm is positioned between the cylinder head and the cylinder block through the flange seam structure, and the cylinder head and the cylinder body are connected by the first connecting bolt Tight connection; the diaphragm of the utility model is positioned by the spigot of the cylinder body; the beneficial effect is to reduce leakage points, without processing and installing positioning holes on the diaphragm, which can eliminate stress concentration, improve the service life of the diaphragm, and ensure that the diaphragm compressor of normal operation.
Description
技术领域 technical field
本实用新型涉及隔膜压缩机技术领域，尤其涉及一种隔膜压缩机的缸盖嵌入缸体无配油盘膜头结构。 The utility model relates to the technical field of diaphragm compressors, in particular to a membrane head structure in which the cylinder head of the diaphragm compressor is embedded in the cylinder body without an oil distribution plate.
背景技术 Background technique
隔膜式压缩机是一种结构特殊的容积式压缩机，具有压缩比大、密封性好、压缩气体不受润滑油和其它固体杂质所污染等特点。一般地，隔膜压缩机主要由驱动机构、气缸膜头部件、润滑油系统、气管路部件、曲轴箱等部件组成，其中气缸膜头部件由缸盖、膜片、配油盘、缸体和中体等部分组成。通常情况下，如图2、3所示，膜片55由油侧的配油盘44和气侧的缸盖22加紧在中间，通过2个定位销控定位在配油盘上防止膜片55安装的过程中位置变动，但是这种结构存在两方面不足：1.配油盘有上下两个密封面，密封面较多，泄漏隐患比较大；2.膜片需要加工2个定位孔，在钻孔后，在小孔周围有翘曲变形，容易产生应力集中，减少膜片寿命。 Diaphragm compressor is a volumetric compressor with special structure, which has the characteristics of large compression ratio, good sealing, and the compressed gas is not polluted by lubricating oil and other solid impurities. Generally, a diaphragm compressor is mainly composed of a driving mechanism, a cylinder diaphragm head part, a lubricating oil system, an air pipeline part, a crankcase and other components, among which the cylinder diaphragm head part consists of a cylinder head, a diaphragm, an oil distribution plate, a cylinder body, etc. And the middle body and other parts. Normally, as shown in Figures 2 and 3, the diaphragm 55 is clamped in the middle by the oil distribution plate 44 on the oil side and the cylinder head 22 on the air side, and positioned on the oil distribution plate by two positioning pins to prevent the installation of the diaphragm 55 The position changes during the process, but this structure has two disadvantages: 1. The oil distribution plate has two upper and lower sealing surfaces, and there are many sealing surfaces, so the hidden danger of leakage is relatively large; 2. The diaphragm needs to process 2 positioning holes. After the hole, there is warping deformation around the small hole, which is prone to stress concentration and reduces the life of the diaphragm.
实用新型内容 Utility model content
针对上述存在的问题，本实用新型旨在提供一种隔膜压缩机的缸盖嵌入缸体无配油盘膜头结构，该分体式缸体结构取消配油盘，把油侧曲面加工在缸体上，并在缸体与缸盖配合处加工适当的凸缘止口结构，以克服现有技术存在的隔膜压缩机膜头油侧密封面较多，泄漏隐患比较大以及在膜片上加工定位孔，容易产生应力集中，减少膜片寿命等缺点。 In view of the above existing problems, the utility model aims to provide a membrane head structure in which the cylinder head of the diaphragm compressor is embedded in the cylinder without the oil distribution plate. The split cylinder structure cancels the oil distribution plate and processes the oil side curved surface On the top, and process the appropriate flange seam structure at the joint between the cylinder body and the cylinder head to overcome the diaphragm compressor oil side sealing surface of the diaphragm compressor in the prior art, the hidden danger of leakage is relatively large, and the processing and positioning on the diaphragm Pores are prone to stress concentration and reduce the life of the diaphragm.
为了实现上述目的，本实用新型所采用的技术方案如下： In order to achieve the above object, the technical scheme adopted in the utility model is as follows:
隔膜压缩机的缸盖嵌入缸体无配油盘膜头结构，所述缸体上加工有与所述膜片相互配合的凸缘止口结构，所述膜片通过所述凸缘止口结构定位在所述缸盖与所述缸体之间，所述缸盖与所述缸体通过第一连接螺栓紧固连接。 The cylinder head of the diaphragm compressor is embedded in the cylinder block without an oil distribution plate membrane head structure, and the cylinder body is processed with a flange seam structure that cooperates with the diaphragm, and the diaphragm passes through the flange seam structure Positioned between the cylinder head and the cylinder body, the cylinder head and the cylinder body are tightly connected by first connecting bolts.
优选的, 在所述缸盖与所述缸体连接处还设置密封圈。 Preferably, a sealing ring is also provided at the joint between the cylinder head and the cylinder body.
优选的，所述缸盖下端为凸起结构，所述缸体上端为凹槽结构，所述缸盖的凸起结构与所述缸体的凹槽结构相匹配。 Preferably, the lower end of the cylinder head has a raised structure, the upper end of the cylinder body has a groove structure, and the raised structure of the cylinder head matches the groove structure of the cylinder body.
优选的，所述缸体由缸头和缸筒组成，并且所述缸头与所述缸筒通过第二连接螺栓紧固连接。 Preferably, the cylinder body is composed of a cylinder head and a cylinder barrel, and the cylinder head and the cylinder barrel are tightly connected by second connecting bolts.
本实用新型的有益效果是：首先，将隔膜压缩机膜头中的配油盘取消，实现缸盖嵌入缸体无配油盘的分体式缸体结构，减少一道油侧密封面，有效降低了润滑油泄漏的概率，减少泄漏隐患；缸体与缸盖加工成凸缘止口配合形式方便了膜片的安装定位，无需在膜片上加工安装定位孔，消除应力集中，提高膜片的使用寿命等问题，并确保隔膜压缩机的正常运行。 The beneficial effects of the utility model are as follows: firstly, the oil distribution plate in the membrane head of the diaphragm compressor is canceled to realize a split cylinder structure in which the cylinder head is embedded in the cylinder body without an oil distribution plate, and one oil side sealing surface is reduced, which effectively reduces the The probability of lubricating oil leakage reduces the hidden danger of leakage; the cylinder block and the cylinder head are processed into flanges to facilitate the installation and positioning of the diaphragm, and there is no need to process and install positioning holes on the diaphragm, eliminating stress concentration and improving the use of the diaphragm Life and other issues, and ensure the normal operation of the diaphragm compressor.
附图说明 Description of drawings
图1为本实用新型隔膜压缩机气缸结构示意图。 Figure 1 is a schematic diagram of the cylinder structure of the diaphragm compressor of the present invention.
图2为现有技术隔膜压缩机气缸结构示意图。 Fig. 2 is a schematic structural diagram of a diaphragm compressor cylinder in the prior art.
图3为现有技术中隔膜压缩机膜片的放大示意图。 Fig. 3 is an enlarged schematic diagram of a diaphragm of a diaphragm compressor in the prior art.
图4为现有技术配油盘定位安装孔放大示意图。 Fig. 4 is an enlarged schematic diagram of the positioning and installation holes of the oil distribution plate in the prior art.
其中：1-第一连接螺栓，2-缸盖，3-缸体，4-密封圈，5-膜片，6-1道油侧密封面，7-凸缘止口结构，8-第二连接螺栓。 Among them: 1-first connecting bolt, 2-cylinder head, 3-cylinder block, 4-sealing ring, 5-diaphragm, 6-1 oil side sealing surface, 7-flange seam structure, 8-second Connect the bolts.
具体实施方式 Detailed ways
为了使本领域的普通技术人员能更好的理解本实用新型的技术方案，下面结合附图和实施例对本实用新型的技术方案做进一步的描述。 In order to enable those skilled in the art to better understand the technical solution of the utility model, the technical solution of the utility model will be further described below in conjunction with the drawings and embodiments.
参照附图2-4所示的现有技术中的气缸结构，图3左侧图为配油盘曲面侧局部放大图，图3右侧图为膜片55局部放大图，缸盖22和缸体33之间设置配油盘44，膜片55由油侧的配油盘44和气侧的缸盖22加紧在中间，通过2个定位销定位在配油盘44上防止膜片55安装的过程中位置变动，并且设置配油盘44后形成了2道油侧密封面66，现有技术需要在膜片55上加工2个定位孔77，两个定位孔77通过定位销定位在配油盘44上。 With reference to the cylinder structure in the prior art shown in accompanying drawing 2-4, the figure on the left side of Fig. 3 is a partial enlarged view of the curved surface side of the oil distribution plate, the figure on the right side of Fig. 3 is a partial enlarged view of the diaphragm 55, the cylinder head 22 and the cylinder An oil distribution plate 44 is set between the body 33, and the diaphragm 55 is clamped in the middle by the oil distribution plate 44 on the oil side and the cylinder head 22 on the air side, and positioned on the oil distribution plate 44 by two positioning pins to prevent the installation process of the diaphragm 55 The middle position changes, and after the oil distribution plate 44 is installed, two oil side sealing surfaces 66 are formed. The existing technology needs to process two positioning holes 77 on the diaphragm 55, and the two positioning holes 77 are positioned on the oil distribution plate by positioning pins. 44 on.
参照附图1所示的一种隔膜压缩机的缸盖嵌入缸体无配油盘膜头结构，隔膜压缩机的缸盖嵌入缸体无配油盘膜头结构，包括缸盖2、缸体3以及膜片5，所述缸体3由缸头31和缸筒32组成，并且所述缸头31与所述缸筒32通过第二连接螺栓8紧固连接，通过第二连接螺栓8实现缸筒32与缸头31的可拆卸连接，方便进行内部维修，所述缸体3上加工有与所述膜片5相互配合的凸缘止口结构7，所述膜片5通过所述凸缘止口结构7定位在所述缸盖2与所述缸体3之间，所述缸盖2与所述缸体3通过第一连接螺栓1紧固连接，所述缸盖2下端为凸起结构，所述缸体3上端为凹槽结构，所述缸盖2的凸起结构与所述缸体3的凹槽结构相匹配，所述凸缘止口结构7加工在所述缸体3的凹槽内，膜片5放置在凸缘止口结构7内，在该隔膜压缩机的缸盖嵌入缸体无配油盘膜头结构实际使用过程中不会因为倾斜等原因向一侧倾斜，定位效果好，通过凸缘结构7和止口结构8能将膜片5精确定位在两者之间，所述缸盖2与所述缸体3通过第一连接螺栓1紧密连接，并通过第一连接螺栓1将缸盖2和缸体3连接为一个整体，连接时，缸盖2的凸起结构与缸体3的凹槽结构恰好配合连接，在所述缸盖2与所述缸体3连接处还设置密封圈4，膜片5无需加工定位孔，靠缸体3与缸盖2的凸缘结构7和止口结构8自身定位，这样在膜片5的油侧就比有配油盘结构时少了一道密封面，只形成1道油侧密封面6，有效降低了润滑油泄漏的概率，减少泄漏隐患；本实用新型把原加工在配油盘上的油侧曲面加工在缸体3上，并在缸体3与缸盖2配合处加工适当的凸缘结构7和止口结构8，使膜片5无需加工定位孔，靠缸体3与缸盖2的凸缘结构7和止口结构8自身定位，这样消除了因在膜片5上加工定位孔产生应力集中，提高膜片使用寿命。 Referring to the structure shown in accompanying drawing 1, the cylinder head of a diaphragm compressor is embedded in the cylinder body without an oil distribution plate membrane head structure, and the cylinder head of the diaphragm compressor is embedded in the cylinder body without an oil distribution plate membrane head structure, including cylinder head 2, cylinder body 3 and a diaphragm 5, the cylinder body 3 is composed of a cylinder head 31 and a cylinder barrel 32, and the cylinder head 31 and the cylinder barrel 32 are tightly connected by the second connecting bolt 8, and the second connecting bolt 8 realizes The detachable connection between the cylinder barrel 32 and the cylinder head 31 is convenient for internal maintenance. The cylinder body 3 is processed with a flange seam structure 7 that cooperates with the diaphragm 5, and the diaphragm 5 passes through the protrusion. The edge seam structure 7 is positioned between the cylinder head 2 and the cylinder body 3, the cylinder head 2 and the cylinder body 3 are tightly connected by the first connecting bolt 1, and the lower end of the cylinder head 2 is a convex The upper end of the cylinder body 3 is a groove structure, the raised structure of the cylinder head 2 matches the groove structure of the cylinder body 3, and the flange seam structure 7 is processed on the cylinder body In the groove of 3, the diaphragm 5 is placed in the flange seam structure 7, and the cylinder head of the diaphragm compressor is embedded in the cylinder without oil distribution plate. Inclined, the positioning effect is good, the diaphragm 5 can be accurately positioned between the two through the flange structure 7 and the seam structure 8, the cylinder head 2 and the cylinder body 3 are tightly connected by the first connecting bolt 1, and The cylinder head 2 and the cylinder body 3 are connected as a whole through the first connecting bolt 1. When connecting, the protruding structure of the cylinder head 2 and the groove structure of the cylinder body 3 are just matched and connected. A sealing ring 4 is also provided at the junction of the cylinder body 3, and the diaphragm 5 does not need to process a positioning hole, and is positioned by the flange structure 7 and the seam structure 8 of the cylinder body 3 and the cylinder head 2, so that the oil side of the diaphragm 5 is relatively When there is an oil distribution plate structure, there is one less sealing surface, and only one oil side sealing surface 6 is formed, which effectively reduces the probability of lubricating oil leakage and reduces the hidden danger of leakage; It is processed on the cylinder body 3, and the appropriate flange structure 7 and seam structure 8 are processed at the joint between the cylinder body 3 and the cylinder head 2, so that the diaphragm 5 does not need to process a positioning hole, and depends on the protrusion of the cylinder body 3 and the cylinder head 2. The edge structure 7 and the seam structure 8 are self-positioned, which eliminates the stress concentration caused by processing the positioning hole on the diaphragm 5 and improves the service life of the diaphragm.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520159389.4U CN204627939U (en) | 2015-03-20 | 2015-03-20 | The cylinder cap of diaphragm type compressor embeds cylinder body without oil distribution casing film header structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520159389.4U CN204627939U (en) | 2015-03-20 | 2015-03-20 | The cylinder cap of diaphragm type compressor embeds cylinder body without oil distribution casing film header structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356822A (en) * | 2018-09-11 | 2019-02-19 | 西安交通大学 | A high-pressure diaphragm compressor and its cylinder head and its processing method |
| CN110529370A (en) * | 2019-10-10 | 2019-12-03 | 四川金星清洁能源装备股份有限公司 | The machine integrated hard sealing membrane piece of membrane compresses |
| CN114810559A (en) * | 2022-05-23 | 2022-07-29 | 中国农业大学 | A curved diaphragm for diaphragm compressors |
| CN116201718A (en) * | 2023-04-10 | 2023-06-02 | 烟台东德氢能技术有限公司 | Upper and lower membrane head structure assembly of diaphragm compressor |
-
2015
- 2015-03-20 CN CN201520159389.4U patent/CN204627939U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356822A (en) * | 2018-09-11 | 2019-02-19 | 西安交通大学 | A high-pressure diaphragm compressor and its cylinder head and its processing method |
| CN109356822B (en) * | 2018-09-11 | 2019-11-08 | 西安交通大学 | A high-pressure diaphragm compressor, its cylinder head, and a processing method for the cylinder head |
| CN110529370A (en) * | 2019-10-10 | 2019-12-03 | 四川金星清洁能源装备股份有限公司 | The machine integrated hard sealing membrane piece of membrane compresses |
| CN114810559A (en) * | 2022-05-23 | 2022-07-29 | 中国农业大学 | A curved diaphragm for diaphragm compressors |
| CN116201718A (en) * | 2023-04-10 | 2023-06-02 | 烟台东德氢能技术有限公司 | Upper and lower membrane head structure assembly of diaphragm compressor |
| CN116201718B (en) * | 2023-04-10 | 2024-04-23 | 烟台东德氢能技术有限公司 | Upper and lower membrane head structure assembly of diaphragm compressor |
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Address after: 221000 No. 99 Yang Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Patentee after: JIANGSU PERMANENT MACHINERY Co.,Ltd. Address before: 221004 No. 99 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: JIANGSU PERMANENT MACHINERY Co.,Ltd. |
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Granted publication date: 20150909 |