CN209802649U - Safety valve take-off detection device - Google Patents
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- CN209802649U CN209802649U CN201920101331.2U CN201920101331U CN209802649U CN 209802649 U CN209802649 U CN 209802649U CN 201920101331 U CN201920101331 U CN 201920101331U CN 209802649 U CN209802649 U CN 209802649U
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Abstract
本实用新型公开一种安全阀起跳检测装置，该装置包括：压力调节阀、安全阀和压力表，其中：所述压力调节阀的进气口用于与气源连通，所述压力调节阀的出气口与所述安全阀的进气口连通；所述安全阀的出气口通过一管路接入水源中；所述压力表用于检测所述压力调节阀处的压力。本实用新型提高了对医用安全阀的基本性能检测的便利性。
The utility model discloses a safety valve take-off detection device, which comprises: a pressure regulating valve, a safety valve and a pressure gauge, wherein: the air inlet of the pressure regulating valve is used to communicate with an air source; The air outlet communicates with the air inlet of the safety valve; the air outlet of the safety valve is connected to the water source through a pipeline; the pressure gauge is used to detect the pressure at the pressure regulating valve. The utility model improves the convenience of detecting the basic performance of the medical safety valve.
Description
技术领域technical field
本实用新型涉及检测设备技术领域，特别涉及一种安全阀起跳检测装置。The utility model relates to the technical field of detection equipment, in particular to a safety valve take-off detection device.
背景技术Background technique
安全阀主要用在特种设备上，每年都需要送去地方的特种承压设备检测院检测。由于工作介质不同，特别是蒸汽，长时间的使用会导致安全阀损坏。若安全阀出现故障，则无法应对管路的压力异常，从而导致设备的损坏，甚至造成人身伤害。Safety valves are mainly used in special equipment and need to be sent to the local special pressure equipment testing institute for testing every year. Due to different working media, especially steam, long-term use will cause damage to the safety valve. If the safety valve fails, it will not be able to cope with the abnormal pressure of the pipeline, which will cause damage to the equipment and even cause personal injury.
因此，出于提高医疗设备的使用安全性的目的，有必要设计一种能够方便定期检测安全阀基本性能的检测装置。Therefore, for the purpose of improving the safety of medical equipment, it is necessary to design a detection device that can regularly detect the basic performance of the safety valve.
实用新型内容Utility model content
本实用新型的主要目的是提出一种安全阀起跳检测装置，旨在解决现有技术中对医用安全阀的基本性能检测便利性差的技术问题。The main purpose of the utility model is to propose a safety valve take-off detection device, which aims to solve the technical problem of poor convenience in the detection of the basic performance of the medical safety valve in the prior art.
为实现上述目的，本实用新型提出一种安全阀起跳检测装置，该装置包括：压力调节阀、安全阀和压力表，其中：In order to achieve the above purpose, the utility model proposes a safety valve take-off detection device, which includes: a pressure regulating valve, a safety valve and a pressure gauge, wherein:
所述压力调节阀的进气口用于与气源连通，所述压力调节阀的出气口与所述安全阀的进气口连通；The air inlet of the pressure regulating valve is used to communicate with the air source, and the air outlet of the pressure regulating valve is in communication with the air inlet of the safety valve;
所述安全阀的出气口通过一管路接入水源中；The air outlet of the safety valve is connected to the water source through a pipeline;
所述压力表用于检测所述压力调节阀处的压力。The pressure gauge is used to detect the pressure at the pressure regulating valve.
优选地，用于提供检测所需压力的气源的压力为0.4～0.8Mpa。Preferably, the pressure of the gas source used to provide the pressure required for detection is 0.4-0.8Mpa.
优选地，所述压力调节阀与所述气源之间通过第一导气管连通，所述第一导气管的进气端设有用于与气源连通的第一快速接头。Preferably, the pressure regulating valve communicates with the air source through a first air guide tube, and the inlet end of the first air guide tube is provided with a first quick connector for communicating with the air source.
优选地，所述第一导气管的管壁厚为0.8mm～1.2mm。Preferably, the wall thickness of the first airway tube is 0.8mm-1.2mm.
优选地，所述压力调节阀与所述安全阀之间通过第二导气管连通，所述第二导气管的出气端设有第二快速接头。Preferably, the pressure regulating valve communicates with the safety valve through a second air guide tube, and a second quick connector is provided at the outlet end of the second air guide tube.
优选地，所述第二导气管的管壁厚为0.8mm～1.2mm。Preferably, the wall thickness of the second airway tube is 0.8mm-1.2mm.
优选地，所述安全阀的进气口设有第一螺纹转接头，所述第一螺纹转接头与所述第二快速接头连通。Preferably, the air inlet of the safety valve is provided with a first threaded adapter, and the first threaded adapter communicates with the second quick connector.
优选地，所述管路为PVC软管。Preferably, the pipeline is a PVC hose.
优选地，所述安全阀的出气口设有第二螺纹转接头，所述第二螺纹转接头与所述PVC软管的进气端连通Preferably, the air outlet of the safety valve is provided with a second threaded adapter, and the second threaded adapter communicates with the inlet end of the PVC hose
本实用新型通过设置压力调节阀、安全阀和压力表，将压力调节阀的进气口与气源连通，压力调节阀的出气口与安全阀的进气口连通，在安全阀的出气口设置一管路接入水源中。检测时，调节压力调节阀，使压力表的读数慢慢升高，逐渐调高管道压力，当水源中出现气泡时，停止调节，此时压力表所示压力即为安全阀起跳压力。如果此压力与安全阀整定压力一致，则安全阀有效，如果不一致，则安全阀需要重新调节至与整定压力一致方可使用。The utility model connects the air inlet of the pressure regulating valve with the air source by setting the pressure regulating valve, the safety valve and the pressure gauge, the air outlet of the pressure regulating valve is connected with the air inlet of the safety valve, and the air outlet of the safety valve is set A pipeline is connected to the water source. When testing, adjust the pressure regulating valve to make the reading of the pressure gauge rise slowly, and gradually increase the pipeline pressure. When air bubbles appear in the water source, stop the adjustment. At this time, the pressure shown on the pressure gauge is the take-off pressure of the safety valve. If this pressure is consistent with the setting pressure of the safety valve, the safety valve is effective. If not, the safety valve needs to be readjusted to be consistent with the setting pressure before it can be used.
附图说明Description of drawings
图1为本实用新型安全阀起跳检测装置一实施例的气路结构示意图。Fig. 1 is a schematic diagram of the gas circuit structure of an embodiment of the safety valve take-off detection device of the present invention.
具体实施方式Detailed ways
下面将详细描述本实用新型的实施例，实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本实用新型，而不能理解为对本实用新型的限制，基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。Embodiments of the present invention will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. The embodiments described below by referring to the accompanying drawings are exemplary, intended to explain the utility model, but can not be construed as a limitation of the utility model, based on the embodiments of the utility model, those of ordinary skill in the art do not make All other embodiments obtained under the premise of creative labor belong to the scope of protection of the utility model.
为解决上述技术问题，本实用新型提出一种安全阀起跳检测装置。参照图1，该装置包括：压力调节阀10、安全阀20和压力表30，其中：压力调节阀10的进气口用于与气源40连通，压力调节阀10的出气口与安全阀20的进气口连通。安全阀20的出气口通过一管路接入水源50中。压力表30用于检测压力调节阀10处的压力。In order to solve the above technical problems, the utility model proposes a safety valve take-off detection device. Referring to Fig. 1, the device includes: a pressure regulating valve 10, a safety valve 20 and a pressure gauge 30, wherein: the air inlet of the pressure regulating valve 10 is used to communicate with an air source 40, and the gas outlet of the pressure regulating valve 10 is connected to the safety valve 20 The air inlet is connected. The air outlet of the safety valve 20 is connected to the water source 50 through a pipeline. The pressure gauge 30 is used to detect the pressure at the pressure regulating valve 10 .
本实施例中，气源40流经压力调节阀10和安全阀20，最终到达水源50处。在压力调节阀10处设置压力表30，调节压力调节阀10，当水源50中开始产生气泡时，压力表30所显示的压力值即为安全阀20的起跳压力值。比较压力表30与安全阀20的整定压力，若一致，则安全阀20有效；若不一致，则需要重新校准安全阀20，使之与整定压力一致方可使用。In this embodiment, the air source 40 flows through the pressure regulating valve 10 and the safety valve 20 , and finally reaches the water source 50 . A pressure gauge 30 is provided at the pressure regulating valve 10 , and the pressure regulating valve 10 is adjusted. When the water source 50 starts to generate air bubbles, the pressure value displayed by the pressure gauge 30 is the take-off pressure value of the safety valve 20 . Compare the set pressure of the pressure gauge 30 with the set pressure of the safety valve 20. If they are consistent, the safety valve 20 is valid;
气源40可以采用医院的中央供气系统，或者是采用气泵、压缩空气瓶等其他供气系统。The air source 40 can adopt the central air supply system of the hospital, or other air supply systems such as air pumps and compressed air bottles.
压力表30需要计量部门计量认证，其有效量程为0～1.0Mpa，一般的，医用安全阀的大部分起跳压力在0.2～0.4Mpa之间，故选用此量程的压力表30。The pressure gauge 30 needs to be certified by the metrology department, and its effective range is 0-1.0Mpa. Generally, most of the take-off pressures of medical safety valves are between 0.2-0.4Mpa, so the pressure gauge 30 with this range is selected.
此装置利用压力调节阀10，简单直接的调节安全阀20的进气压力，进而检测安全阀20起跳压力。装置制作简单，使用方法简便，方便普及到医院等单位使用。This device uses the pressure regulating valve 10 to simply and directly adjust the intake pressure of the safety valve 20 , and then detects the take-off pressure of the safety valve 20 . The device is simple to manufacture and easy to use, and is convenient to be popularized and used in hospitals and other units.
在一较佳实施例中，用于提供检测所需压力的气源40的压力为0.4～0.8Mpa。In a preferred embodiment, the pressure of the gas source 40 for providing the pressure required for detection is 0.4-0.8Mpa.
本实施例中，由于需要检测的安全阀20大部分起跳压力在0.2～0.4Mpa之间，所以气源40的压力应至少大于0.4Mpa，这里选择医院常用的压缩空气供应系统，其供应压力视用途不同在0.4～0.8Mpa之间。In this embodiment, since most of the safety valves 20 to be detected have a take-off pressure between 0.2 and 0.4Mpa, the pressure of the air source 40 should be at least greater than 0.4Mpa. Here, the compressed air supply system commonly used in hospitals is selected, and the supply pressure depends on The different uses are between 0.4 and 0.8Mpa.
在一较佳实施例中，压力调节阀10与气源40之间通过第一导气管60连通，第一导气管60的进气端设有用于与气源40连通的第一快速接头61。In a preferred embodiment, the pressure regulating valve 10 communicates with the air source 40 through a first air duct 60 , and the inlet end of the first air duct 60 is provided with a first quick connector 61 for communicating with the air source 40 .
本实施例中，气源40在使用点处设有能供第一快速接头61快速插拔的终端接口，第一快速接头61与终端接口连接形成密封结构。In this embodiment, the air source 40 is provided with a terminal interface at the point of use for the quick plug-in and removal of the first quick connector 61 , and the first quick connector 61 is connected to the terminal interface to form a sealed structure.
第一快速接头61采用实心的棒料(304不锈钢、优质黄铜、碳钢)精密制造，碳钢外部采用电镀铬或锌提升外观和使用寿命。The first quick connector 61 is precision-manufactured from solid bar stock (304 stainless steel, high-quality brass, carbon steel), and the exterior of the carbon steel is electroplated with chrome or zinc to improve appearance and service life.
进一步的，在第一快速接头61和终端接口的连接处还可以设置密封圈，这样的结构增加了密封性能。Further, a sealing ring may also be provided at the connection between the first quick connector 61 and the terminal interface, such a structure increases the sealing performance.
在一较佳实施例中，第一导气管60的管壁厚为0.8mm～1.2mm。In a preferred embodiment, the wall thickness of the first airway tube 60 is 0.8mm-1.2mm.
本实施例中，第一导气管60可以采用金属材料，例如：不锈钢、铜等，刚性好，不会由于内外压差较大而损坏。当选用不锈钢作为管材时，优选管壁厚为1.0mm，此时第一导气管60的规格可以为：外径8mm，内径6mm。In this embodiment, the first air guide tube 60 can be made of metal material, such as stainless steel, copper, etc., which has good rigidity and will not be damaged due to a large internal and external pressure difference. When stainless steel is used as the pipe material, the wall thickness of the pipe is preferably 1.0 mm. At this time, the specifications of the first air guide tube 60 may be: an outer diameter of 8 mm and an inner diameter of 6 mm.
在一较佳实施例中，压力调节阀10与安全阀20之间通过第二导气管70连通，第二导气管70的出气端设有第二快速接头71。In a preferred embodiment, the pressure regulating valve 10 communicates with the safety valve 20 through a second air duct 70 , and a second quick connector 71 is provided at the outlet end of the second air duct 70 .
本实施例中，第二快速接头71的单向进气口与第二导气管70的出气端相连。第二快速接头71的插嘴从螺纹转接头31上旋出时，阀芯自动闭合，防止泄露。第二快速接头71的插嘴旋进螺纹转接头31后，阀芯自动开启，在额定工作范围内始终保持流体的畅通。In this embodiment, the one-way air inlet of the second quick connector 71 is connected with the air outlet end of the second air duct 70 . When the socket of the second quick connector 71 is unscrewed from the threaded adapter 31, the valve core is automatically closed to prevent leakage. After the socket of the second quick connector 71 is screwed into the threaded adapter 31, the valve core is automatically opened, and the fluid is always kept unimpeded within the rated working range.
在一较佳实施例中，第二导气管70的管壁厚为0.8mm～1.2mm。In a preferred embodiment, the wall thickness of the second airway tube 70 is 0.8mm-1.2mm.
本实施例中，第二导气管70也可以采用不锈钢、铜等金属材料。当选择不锈钢管材时，优选管壁厚为1.0mm，此时第二导气管70的规格可以为：外径8mm，内径6mm。In this embodiment, the second air duct 70 may also be made of metal materials such as stainless steel and copper. When the stainless steel pipe is selected, the preferred pipe wall thickness is 1.0 mm. At this time, the specifications of the second air guide tube 70 can be: an outer diameter of 8 mm and an inner diameter of 6 mm.
在一较佳实施例中，安全阀20的进气口设有第一螺纹转接头21，第一螺纹转接头21与第二快速接头71连通。In a preferred embodiment, the air inlet of the safety valve 20 is provided with a first threaded adapter 21 , and the first threaded adapter 21 communicates with the second quick connector 71 .
本实施例中，第一螺纹转接头21是指带螺纹的管道连接件，一头的螺纹与安全阀20的螺纹旋接形成内外螺纹密封结构，另一头与第二快速接头71连接形成密封结构，In this embodiment, the first threaded adapter 21 refers to a threaded pipe connector. The thread at one end is screwed with the thread of the safety valve 20 to form an internal and external thread sealing structure, and the other end is connected to the second quick connector 71 to form a sealing structure.
进一步的，在第一螺纹转接头21和第二快速接头71的接口处也设置密封圈，提高密封效果。第一螺纹转接头21使管道的连接变得更简单，拆卸更换也更容易，大大节省了管道连接的成本。一般是金属制造，耐压较高，材料有碳钢，不锈钢，合金钢，黄铜等。Further, a sealing ring is also provided at the interface between the first threaded adapter 21 and the second quick connector 71 to improve the sealing effect. The first threaded adapter 21 simplifies the connection of the pipes, and is also easier to disassemble and replace, which greatly saves the cost of pipe connection. Generally, it is made of metal with high pressure resistance. The materials include carbon steel, stainless steel, alloy steel, brass, etc.
在一较佳实施例中，管路为PVC软管80。In a preferred embodiment, the pipeline is a PVC hose 80 .
本实施例中，PVC软管80质轻柔韧性好，易弯曲，方便插入水源50中，同时经常与水源50接触不会像金属材料那样容易被腐蚀。当然，除了PVC软管，该管路还可以采用其他树脂材料的管材，甚至采用不锈钢材料也未尝不可。In this embodiment, the PVC hose 80 is light, flexible, flexible, and easy to insert into the water source 50 . At the same time, the PVC hose 80 is not easily corroded like metal materials when in frequent contact with the water source 50 . Of course, in addition to the PVC hose, the pipeline can also use other resin materials, even stainless steel.
在一较佳实施例中，安全阀20的出气口设有第二螺纹转接头22，第二螺纹转接头22与PVC软管80的进气端连通。In a preferred embodiment, the air outlet of the safety valve 20 is provided with a second threaded adapter 22 , and the second threaded adapter 22 communicates with the inlet end of the PVC hose 80 .
本实施例中，第二螺纹转接头22也是一种带螺纹的管道连接件，可以采用常见的螺纹弯头、螺纹管帽或者螺纹管箍等，连接简单、拆卸容易、节省成本。螺纹接头32的材质与前述第一螺纹转接头21一样，也采用金属制造，耐压较高，可以是碳钢、不锈钢、合金钢或黄铜等。安全阀20与PVC软管80的连接方式为：把PVC软管80牢牢地插入安全阀20出气口处的第二螺纹转接头22的根部，用皮带或螺母固定。In this embodiment, the second threaded adapter 22 is also a threaded pipe connector, and a common threaded elbow, threaded pipe cap or threaded pipe collar can be used, which is simple to connect, easy to disassemble, and saves costs. The material of the threaded joint 32 is the same as that of the aforementioned first threaded adapter 21 , and is also made of metal with high pressure resistance, such as carbon steel, stainless steel, alloy steel or brass. The connection mode between the safety valve 20 and the PVC hose 80 is: firmly insert the PVC hose 80 into the root of the second threaded adapter 22 at the air outlet of the safety valve 20, and fix it with a belt or a nut.
以上的仅为本实用新型的部分或优选实施例，无论是文字还是附图都不能因此限制本实用新型保护的范围，凡是在与本实用新型一个整体的构思下，利用本实用新型说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本实用新型保护的范围内。The above are only part or preferred embodiments of the present utility model, and neither the text nor the accompanying drawings can limit the scope of protection of the present utility model. The equivalent structural transformation made by the content of the figure, or direct/indirect application in other relevant technical fields are all included in the protection scope of the present utility model.
Claims (9)
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| CN201920101331.2U CN209802649U (en) | 2019-01-21 | 2019-01-21 | Safety valve take-off detection device |
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| CN201920101331.2U CN209802649U (en) | 2019-01-21 | 2019-01-21 | Safety valve take-off detection device |
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| CN201920101331.2U Expired - Fee Related CN209802649U (en) | 2019-01-21 | 2019-01-21 | Safety valve take-off detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310682A (en) * | 2021-06-26 | 2021-08-27 | 正星氢电科技郑州有限公司 | Hydrogen-related high-pressure pipe valve comprehensive test pipeline structure, system and test method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310682A (en) * | 2021-06-26 | 2021-08-27 | 正星氢电科技郑州有限公司 | Hydrogen-related high-pressure pipe valve comprehensive test pipeline structure, system and test method thereof |
| CN113310682B (en) * | 2021-06-26 | 2023-09-05 | 正星氢电科技郑州有限公司 | Integrated test pipeline structure, system and test method of hydrogen-related high-pressure pipe valve |
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