Integrated multi-specification pressure instrument interface conversion connector

Abstract

The utility model relates to the technical field of pressure instrument interfaces, and discloses an integrated multi-specification pressure instrument interface conversion connector which comprises a connector body, an external thread main interface and internal thread branch interfaces, the lower end face of the connector body is provided with the external thread main interface, and the upper end face of the connector body is provided with a plurality of internal thread branch interfaces of different specifications. The connector body is provided with an external thread main interface and an internal thread branch interface, the internal thread branch interface is screwed with a branch interface plug with a corresponding specification, the centers of the external thread main interface and the internal thread branch interface are respectively provided with a pressure leading hole, all the pressure leading holes are communicated through a pressure leading communication hole in the connector body, and two ends of the pressure leading communication hole are sealed through process plugs. The integrated conversion connector is reasonable in structure, interfaces of various specifications are integrated on one integrated conversion connector, time for searching, matching and storage management of the conversion connector is greatly saved, use is convenient and fast, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pressure instrument calibration technical field relates to pressure instrument interface, concretely is a kind of integrated multi-specification pressure instrument interface conversion connector. BACKGROUND

[0002] Many different models and specifications of pressure instruments are used in industrial process control field, and the connection interfaces of these pressure instruments have multiple specifications to adapt to different application scenarios and use needs.According to the requirements of national calibration regulations, the accuracy of pressure instruments in use needs to be calibrated regularly, and the pressure instruments under test need to be installed on the calibration device during calibration, while the calibration device usually only provides a general standard interface, so the pressure instruments of multiple specifications cannot be directly installed on the standard interface of the calibration device, and need to be connected by matching conversion connectors.

[0003] The conversion connectors currently used are single-specification conversion connectors, i.e., one connector can only convert and connect one specification of pressure instrument.In actual calibration, on the one hand, multiple-specification conversion connectors need to be prepared, and when the connection interface specification of the next pressure instrument under test is different from the previous one, the conversion connector needs to be replaced and the detection device needs to be reinstalled, resulting in low calibration efficiency, and frequent installation and disassembly of the conversion connector can cause the sealing performance of the connection interface of the calibration device to decline, reducing its service life.

[0004] On the other hand, since pressure instruments are used for different purposes, the media used for their calibration are also different, usually oil, water, air, etc., to avoid contamination of the calibration device and pressure instrument and occurrence of safety accidents, the same conversion connector cannot be mixed and used on calibration devices of different media.Therefore, a large number of conversion connectors need to be prepared according to the different use media, which not only brings great inconvenience to use and management, but also has the risk of mixed use, further leading to economic loss and even safety accidents. INVENTION CONTENTS

[0005] The utility model aims at providing an integrated multi-specification pressure instrument interface conversion connector, which realizes calibration of pressure instruments of different specifications by setting multiple connection ports, and can solve the problems of reduced calibration efficiency and reduced service life of the connection interface of the calibration device caused by frequent disassembly and replacement of the conversion connector.Different media calibration devices are respectively semi-permanently installed with the integrated multi-specification pressure instrument interface conversion connector without frequent disassembly, reducing the possibility of mixed use, greatly reducing the contamination risk of the calibration device and the pressure instrument, and improving the safety of the pressure instrument in use.

[0006] In order to achieve the above object, the utility model discloses an integrated multi-specification pressure instrument interface conversion connector, which comprises a connector body, an external thread main interface and an internal thread branch interface.

[0007] Further preferably, the external thread main interface is M20x1.5.

[0008] Further preferably, the process plug is screwed on both ends of the pressure lead-through communication hole through threads.

[0009] Further preferably, the external thread main interface is connected with the pressure instrument calibration device through a sealing ring.

[0010] Further preferably, the internal thread branch interface is connected with the pressure instrument of the corresponding interface specification.

[0011] Further preferably, a sealing ring is arranged between the branch interface plug and the internal thread branch interface of the corresponding specification.

[0012] Further preferably, a sealing ring is arranged between the process plug and the pressure lead-through communication hole.

[0013] Further preferably, six internal thread branch interfaces are arranged on the upper end face of the connector body.

[0014] Further preferably, the specifications of the internal thread branch interfaces on the upper end face of the connector body from left to right are M12x1.25, M14x1.5, G1 / 2, M12x1, G1 / 4 and M10x1.

[0015] Further preferably, the external thread main interface is located in the middle of the lower end face of the connector body.

[0016] The utility model discloses a technical effect and advantage:

[0017] (1) the integrated multi-specification pressure instrument interface conversion connector structure is reasonable, and a plurality of specifications of interfaces are integrated on an integrated conversion connector, so that the time for searching, matching and storage management of the conversion connector is greatly saved, the utility model discloses convenient and fast to use, and work efficiency is improved.

[0018] (2) The integrated multi-specification pressure instrument interface conversion connector described in this utility model can be semi-permanently installed on the pressure instrument calibration device without frequent disassembly, which can greatly improve calibration efficiency, reduce the loss of the connection interface of the calibration device, and improve the service life of the interface.

[0019] (3) When the integrated multi-specification pressure instrument interface conversion connector described in this utility model is used with different media, the connector can be semi-permanently installed on the pressure instrument calibration device, which can fully avoid the risk of contamination of the calibration device and pressure instrument caused by the mixing of connectors and improve the safety of pressure instrument use. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of an integrated multi-specification pressure instrument interface conversion connector.

[0022] Figure 2 This is a schematic diagram showing the removal of the plug from the interface of an integrated multi-specification pressure instrument interface conversion connector.

[0023] Figure 3 A cross-sectional view of an integrated multi-specification pressure instrument interface conversion connector ( Figure 4 (AA section view).

[0024] Figure 4 This is a top view of an integrated multi-specification pressure instrument interface conversion connector.

[0025] In the diagram: 1-Connector body, 2-Process plug, 3-Sub-port plug, 4-Sealing ring, 5-External thread main interface, 6-Internal thread sub-port, 7-Pressure hole, 8-Pressure connecting hole. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0028] refer to Figures 1-4The integrated multi-specification pressure instrument interface conversion connector shown includes a connector body 1, an external thread main interface 5, an internal thread branch interface 6, and the lower end face of the connector body 1 is provided with a protruding external thread main interface 5 (the specification is M20x1.5), which is used for the connection of the integrated conversion connector and the pressure instrument calibration device; the upper end face of the connector body 1 is provided with six kinds of internal thread branch interfaces 6 of M12x1.25, M14x1.5, G1 / 2, M12x1, G1 / 4, M10x1, which are used for the connection with the corresponding interface specification pressure instrument; the internal thread branch interface 6 can be screwed with a corresponding specification branch interface plug 3, and when the internal thread branch interface 6 is not connected with the corresponding interface specification pressure instrument, the corresponding branch interface plug 3 is connected. The center of the external thread main interface 5 and the internal thread branch interface 6 is respectively provided with a pressure guiding hole 7, and the pressure guiding hole 7 is communicated through a pressure guiding communication hole 8 in the inside of the connector body 1, and the both ends of the pressure guiding communication hole 8 are sealed by process plugs 2.

[0029] In addition, as Figures 3-4 The integrated multi-specification pressure instrument interface conversion connector shown is made of the following specifications: the upper end face of the connector body is 158mm long and 40mm wide, and from left to right, there are six kinds of internal thread branch interfaces of M12x1.25, M14x1.5, G1 / 2, M12x1, G1 / 4, M10x1; the distance from the upper end face to the lower end face is 35mm, the total height from the upper end face to the external thread main interface is 55mm, and the specification of the external thread main interface is M20x1.5-6h.

[0030] Among them, "M" represents ordinary thread; "20" represents that the thread major diameter is 20mm; "1.5" represents that the pitch is 1.5mm; "6h" represents the tolerance band code of the external thread major diameter and minor diameter; the internal thread branch interface is the same, and in "G1 / 2", "G" generally represents a non-thread sealing pipe thread, and "1 / 2" is a size code.

[0031] In specific use, first, the M20x1.5 external thread main interface 5 of the connector body 1 of the integrated multi-specification pressure instrument interface conversion connector is screwed and installed on the corresponding interface of the pressure instrument calibration device, and then the instrument to be calibrated is installed on the corresponding internal thread branch interface 6 of the connector body 1; at the same time, the remaining unused internal thread branch interfaces 6 are plugged with corresponding branch interface plugs 3, and attention should be paid to that when the connector body 1, the pressure instrument and the branch interface plug 3 are installed, the corresponding specification sealing ring 4 should be used for sealing.

[0032] Specifically, when a piece of pressure instrument is calibrated and needs to be replaced, the calibrated pressure instrument is only needed to be removed from the integrated multi-specification pressure instrument interface conversion connector, and a new pressure instrument is replaced. When the replaced pressure instruments are of different specifications, the tapping plug 3 on the internal thread tapping interface 6 of the corresponding interface specification is removed, and the pressure instrument is installed; the remaining unused internal thread tapping interface 6 is sealed by the corresponding tapping plug 3, and the sealing ring 4 is used for sealing.

[0033] Specifically, when calibrating pressure instruments of different media, the integrated multi-specification pressure instrument interface conversion connector is semi-permanently installed on the calibration device, and different media are calibrated respectively.

[0034] In summary, the utility model can be semi-permanently installed on the pressure instrument calibration device, and is simple and efficient to operate, and the operator does not need to find numerous single joints, but only needs to install the instrument in the corresponding tapping interface and seal the remaining interface. The utility model is well applied in actual use, reduces the wear of the interface due to frequent disassembly and assembly, prolongs the service life, and reduces the equipment maintenance cost; avoids the potential risk of mixed use of connectors between different medium calibration devices, ensures the safety and accuracy of the calibration process, provides reliable pressure instrument detection guarantee for industrial process control, and enhances the quality control and safety management ability in the industrial production process.

[0035] Finally, it should be noted that: the above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An integrated multi-specification pressure instrument interface adapter connector comprising a connector body (1), an external threaded primary interface (5), an internal threaded secondary interface (6), characterized in that: The lower end surface of the connector body (1) is provided with an outer thread main interface (5), and the upper end surface is provided with a plurality of inner thread branch interfaces (6) of different specifications, the inner thread branch interface (6) is screwed with a branch interface plug (3) of corresponding specification, the outer thread main interface (5) and the inner thread branch interface (6) are respectively provided with a pressure lead hole (7) in the center, all the pressure lead holes (7) are communicated through a pressure lead communication hole (8) in the connector body (1), and both ends of the pressure lead communication hole (8) are sealed by process plugs (2).

2. An integrated multi-specification pressure instrument interface adapter connector according to claim 1, characterized in that: The specification of the outer thread main interface (5) is M20x1.

5.

3. An integrated multi-specification pressure instrument interface adapter connector according to claim 1, wherein: The process plug (2) is screwed at both ends of the pressure lead communication hole (8).

4. The integrated multi-specification pressure instrument interface translator connector of claim 1, wherein: The outer thread main interface (5) is connected with the pressure instrument calibration device through a sealing ring.

5. The integrated multi-specification pressure instrument interface translator connector of claim 1, wherein: The inner thread branch interface (6) is connected with the pressure instrument of corresponding interface specification.

6. An integrated multi-specification pressure instrument interface adapter connector according to claim 1, wherein: A sealing ring is arranged between the branch interface plug (3) and the inner thread branch interface (6) of corresponding specification.

7. The integrated multi-specification pressure instrument interface translator connector of claim 1, wherein: A sealing ring is arranged between the process plug (2) and the pressure lead communication hole (8).

8. The integrated multi-specification pressure instrument interface translator connector of claim 1, wherein: The upper end surface of the connector body (1) is provided with six inner thread branch interfaces (6).

9. An integrated multi-specification pressure instrument interface adapter connector according to claim 8, wherein: The specifications of the inner thread branch interfaces (6) on the upper end surface of the connector body (1) from left to right are M12x1.25, M14x1.5, G1 / 2, M12x1, G1 / 4 and M10x1.

10. The integrated multi-specification pressure instrument interface translation connector of claim 1, wherein: The outer thread main interface (5) is located in the middle of the lower end surface of the connector body (1).

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