CN211740469U - Piston type oil-filled structure sensor for measuring viscous pressure - Google Patents
Piston type oil-filled structure sensor for measuring viscous pressure Download PDFInfo
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- CN211740469U CN211740469U CN202020539492.2U CN202020539492U CN211740469U CN 211740469 U CN211740469 U CN 211740469U CN 202020539492 U CN202020539492 U CN 202020539492U CN 211740469 U CN211740469 U CN 211740469U
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- process connector
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- pressure
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Abstract
The utility model relates to a measure piston oil charge structural sensor of thick form pressure, including sensor process connector with connect in the shell of sensor process connector rear end the front end of sensor process connector is equipped with the piston diaphragm, the preceding terminal surface of piston diaphragm and the preceding terminal surface parallel and level of sensor process connector the rear end of sensor process connector is equipped with measuring component, measuring component is located in the cavity of shell, be equipped with the oil duct that communicates both between measuring component and the piston diaphragm, the oil filler point of oil duct lateral part is equipped with the sealed subassembly with oil filler point confined between them. The utility model discloses a, easily production and processing can improve the whole life of sensor, and the true pressure value of front end can effectively be transmitted again to piston oil charge structure, and measurement accuracy is higher.
Description
Technical Field
The utility model relates to a pressure sensor technical field especially relates to a measure piston oil charge structural sensor of thick form pressure.
Background
The viscosity pressure measurement needs a sensor with a pure flat membrane structure when measuring due to high viscosity of a measured medium, however, the strainometer is pasted on a membrane at the front end of measurement in the market for measurement, the membrane at the measuring end in the scheme is thin, and can be worn in the measuring working process, so that the measured data is inaccurate, and even the measured data is damaged.
Therefore, there is a need to design a piston type oil-filled structure sensor for measuring viscous pressure to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to prior art's is not enough, the utility model aims to provide a measure piston oil charge structural transducer who glues thick form pressure, easily production and processing can improve the whole life of sensor, and the true pressure value of front end can effectively be transmitted again to piston oil charge structure, and measurement accuracy is higher.
The utility model discloses the technical scheme who adopts does:
the piston type oil-filled structure sensor comprises a sensor process connector and a shell connected to the rear end of the sensor process connector, wherein a piston type diaphragm is arranged at the front end of the sensor process connector, the front end face of the piston type diaphragm is flush with the front end face of the sensor process connector, a measuring component is arranged at the rear end of the sensor process connector and is located in a cavity of the shell, an oil duct communicated with the measuring component and the piston type diaphragm is arranged between the measuring component and the piston type diaphragm, and an oil filling hole on the side portion of the oil duct is provided with a sealing component for sealing the oil filling hole.
Preferably, the piston type diaphragm is provided with an annular groove, and the annular groove is provided with an annular sealing ring corresponding to the annular groove.
Preferably, the measuring assembly comprises a pressure sensitive element, a pressure ring, a first wire, a conditioning circuit board, a second wire and an external wire, the pressure sensitive element is arranged at the rear end of the sensor process connector, the pressure ring is used for fixing the pressure sensitive element, the first wire is used for connecting the pressure sensitive element and the conditioning circuit board, and the second wire is used for connecting the conditioning circuit board and the external wire.
Preferably, a rubber waterproof plug is arranged between the external lead and the shell, and a nut is arranged at the rear end of the rubber waterproof plug to fix the external lead on the shell.
Preferably, the sealing assembly comprises a steel ball arranged in an oil filling hole in the side of the oil duct, a locking nut is arranged on the side of the steel ball, and the locking nut is in threaded connection with the sensor process connector.
The beneficial effects of the utility model reside in that:
the utility model discloses the measurement mode of strainometer formula among the traditional art has been abandoned, through adopting piston oil charge structure to improved this type of pressure sensor's life effectively, reduced manufacturing cost.
Drawings
Fig. 1 is a sectional view of the present invention.
The reference numbers illustrate: a sensor process connector 1; a housing 2; a piston-type diaphragm 3; an annular groove 31; a measuring assembly 4; the pressure sensitive element 41; a pressure ring 42; a first conductive line 43; a conditioning circuit board 44; a second conductive line 45; an external connection wire 46; a rubber waterproof plug 47; a nut 48; an oil passage 5; a seal assembly 6; steel balls 61; and a lock nut 62.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. In addition, in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, for the utility model discloses a measure piston oil charge structural sensor of thick form pressure, including sensor process connector 1 with connect in the shell 2 of sensor process connector 1 rear end the front end of sensor process connector 1 is equipped with piston diaphragm 3, the preceding terminal surface of piston diaphragm 3 and the preceding terminal surface parallel and level of sensor process connector 1 the rear end of sensor process connector 1 is equipped with measuring subassembly 4, measuring subassembly 4 is located in the cavity of shell 2, be equipped with oil duct 5 with both intercommunications between measuring subassembly 4 and the piston diaphragm 3, the oil filler point of 5 lateral parts of oil duct is equipped with oil filler point confined seal assembly 6. The utility model discloses a piston diaphragm 3, oil duct 5, the connection of pressure sensing element 41 three form piston structure, the true pressure value of transmission front end that can be effectively abundant, and measurement accuracy is higher, measures the thick film diaphragm difficult wearing and tearing of front end moreover, effectively improves the whole life of sensor.
The utility model discloses in, be equipped with annular groove 31 on the piston diaphragm 3, be equipped with on the annular groove 31 with the ring type seal that annular groove 31 corresponds forms effective sealedly.
The utility model discloses in, measuring subassembly 4 includes pressure sensing element 41, clamping ring 42, first wire 43, conditioning circuit board 44, second wire 45, external conductor 46, pressure sensing element 41 is arranged in the rear end of sensor process connector 1, the clamping ring is used for fixing pressure sensing element 41, first wire 43 is used for connecting pressure sensing element 41 with conditioning circuit board 44, second wire 45 is used for connecting conditioning circuit board 44 with external conductor 46.
The utility model discloses in, be equipped with the waterproof stopper of rubber 47 between external conductor 46 and the shell 2, the rear end of the waterproof stopper of rubber 47 is equipped with nut 48 in order to incite somebody to action external conductor 46 is fixed on the shell 2. Through the cooperation of the rubber waterproof plug 47 and the nut 48, the sensor can have a good sealing effect, water can be prevented from entering the inner cavity of the shell 2, and the influence of the external environment on the measurement result is reduced.
The utility model discloses in, seal assembly 6 is including the steel ball 61 of locating the oil filler point of 5 lateral parts of oil duct the lateral part of steel ball 61 is equipped with lock nut 62, lock nut 62 with sensor process connector 1 is threaded connection.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a piston oil charge structure sensor of measurement thick form pressure which characterized in that: including sensor process connector (1) and connect in shell (2) of sensor process connector (1) rear end the front end of sensor process connector (1) is equipped with piston diaphragm (3), the preceding terminal surface of piston diaphragm (3) and the preceding terminal surface parallel and level of sensor process connector (1) the rear end of sensor process connector (1) is equipped with measuring component (4), measuring component (4) are located the cavity of shell (2), be equipped with oil duct (5) with both intercommunications between measuring component (4) and piston diaphragm (3), the oil filler point of oil duct (5) lateral part is equipped with seal assembly (6) with oil filler point confined.
2. The piston type oil-filled structure sensor for measuring viscous pressure as claimed in claim 1, wherein: an annular groove (31) is formed in the piston type diaphragm (3), and an annular sealing ring corresponding to the annular groove (31) is arranged on the annular groove (31).
3. The piston type oil-filled structure sensor for measuring viscous pressure as claimed in claim 1, wherein: the measuring component (4) comprises a pressure sensitive element (41), a pressure ring (42), a first wire (43), a conditioning circuit board (44), a second wire (45) and an external wire (46), the pressure sensitive element (41) is arranged at the rear end of the sensor process connector (1), the pressure ring is used for fixing the pressure sensitive element (41), the first wire (43) is used for connecting the pressure sensitive element (41) and the conditioning circuit board (44), and the second wire (45) is used for connecting the conditioning circuit board (44) and the external wire (46).
4. The piston type oil-filled structure sensor for measuring viscous pressure as claimed in claim 3, wherein: be equipped with rubber waterproof plug (47) between external wire (46) and shell (2), the rear end of rubber waterproof plug (47) is equipped with nut (48) in order will external wire (46) are fixed on shell (2).
5. The piston type oil-filled structure sensor for measuring viscous pressure as claimed in claim 1, wherein: the sealing assembly (6) comprises a steel ball (61) arranged in an oil hole in the side of the oil duct (5), a locking nut (62) is arranged on the side of the steel ball (61), and the locking nut (62) is in threaded connection with the sensor process connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539492.2U CN211740469U (en) | 2020-04-13 | 2020-04-13 | Piston type oil-filled structure sensor for measuring viscous pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539492.2U CN211740469U (en) | 2020-04-13 | 2020-04-13 | Piston type oil-filled structure sensor for measuring viscous pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211740469U true CN211740469U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020539492.2U Active CN211740469U (en) | 2020-04-13 | 2020-04-13 | Piston type oil-filled structure sensor for measuring viscous pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211740469U (en) |
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2020
- 2020-04-13 CN CN202020539492.2U patent/CN211740469U/en active Active
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