CN217058944U - Adjustable length external plug-in type sensor device of time difference type flowmeter - Google Patents

Adjustable length external plug-in type sensor device of time difference type flowmeter Download PDF

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Publication number
CN217058944U
CN217058944U CN202122385594.0U CN202122385594U CN217058944U CN 217058944 U CN217058944 U CN 217058944U CN 202122385594 U CN202122385594 U CN 202122385594U CN 217058944 U CN217058944 U CN 217058944U
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China
Prior art keywords
sensor
sensor body
ring
adjustable length
ball valve
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CN202122385594.0U
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Chinese (zh)
Inventor
孙余
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Nanjing Feikete Automation Technology Co ltd
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Nanjing Feikete Automation Technology Co ltd
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Priority to CN202122385594.0U priority Critical patent/CN217058944U/en
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Abstract

The utility model discloses a time-difference type flow meter length-adjustable external plug-in sensor device, which comprises a sensor body, wherein the insertion end of the sensor body is provided with a piezoelectric ceramic chip, the connecting end of the sensor body is provided with a cable joint, a signal cable is arranged in the cable joint, the inner side of the piezoelectric ceramic chip of the insertion end of the sensor body is provided with a spacing ring, a base, a ball valve, a fixing body and a pressing cap are sequentially sleeved on the sensor body from the insertion end to the connecting end, the pressing cap is internally provided with the pressing ring, one end of the inner side of the fixing body, which is close to the spacing ring, is provided with a spacing groove, O-shaped sealing rings are arranged between the sensor body and the fixing body as well as between the base, the device is ensured not to leak water, the insertion length of the sensor body can be adjusted, the advancing and retreating of the sensor probe is adjusted, so that the signal receiving and the transmission of the sensor are in the best state, the spacing ring and the spacing groove are arranged to be matched with each other, the sensor body is prevented from being ejected due to an increase in pressure inside the pipe.

Description

Length-adjustable external plug-in sensor device of time-difference type flowmeter
Technical Field
The utility model relates to a sensor equipment technical field specifically indicates a plug-in sensor device of adjustable length of time difference type flowmeter.
Background
The supporting outer insertion type sensor device of time difference formula flowmeter, be used for the velocity of flow or the measurement of flow of rivers in the pipeline often, sensor probe transmitting surface must stretch into the pipeline during use, otherwise unable transmission of sensor signal and receipt, in the face of old pipeline, the pipeline wall thickness is not known to no drawing, general outer insertion type sensor inserts the size fixed, can not adjust according to the pipeline wall thickness, thereby influence user purchase, installation and production, and common general type sensor lacks the anticreep protection, when pressurization or vibrations appear in the pipeline, the sensor can be by ejecting pipeline wall, cause pipeline pressure release or water logging working face, influence production.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve foretell various problems, provide an adjustable length extrapolation formula sensor device of time difference type flowmeter.
In order to solve the technical problem, the utility model adopts the technical scheme that: a length-adjustable external plug-in sensor device of a time-difference type flowmeter comprises a sensor body, wherein the sensor body is arranged in a cylindrical structure, a piezoelectric ceramic chip is arranged at an insertion end of the sensor body, a cable joint is arranged at a connecting end of the sensor body, a signal cable is arranged in the cable joint and extends into the sensor body to be electrically connected with the piezoelectric ceramic chip, a limit ring is arranged at the inner side of the piezoelectric ceramic chip at the insertion end of the sensor body, a base, a ball valve, a fixing body and a pressing cap are sequentially sleeved on the sensor body from the insertion end to the connecting end, two ends of the ball valve are respectively in threaded connection with the base and the fixing body, the other end of the fixing body is in threaded connection with the pressing cap, the pressing ring is arranged in the pressing cap, a limit groove is arranged at one end, close to the limit ring, of the inner side of the fixing body, the limiting groove is matched with the limiting ring.
As an improvement, the piezoelectric ceramic chip and the sensor body form an included angle of 45 degrees.
As an improvement, the threaded connection parts of the ball valve, the base and the fixing body are respectively provided with a first O-shaped sealing ring.
As an improvement, a second O-shaped sealing ring is arranged on the contact surface of the inner side of the fixed body and the sensor body.
As a modification, the thickness of the annular wall of the compression ring is gradually reduced along the screwing direction of the compression cap.
As an improvement, the ball valve is a DN25 three-piece ball valve.
As an improvement, the base is arranged on the pressure pipeline through welding.
As an improvement, the diameter of the limiting ring is smaller than the inner diameters of the base and the ball valve.
Compared with the prior art, the utility model the advantage lies in: the utility model discloses well sensor body and fixed body, all be equipped with O type sealing washer between the base, the scheduling problem can not appear leaking in operation after guaranteeing the device installation, sensor body inserts length is adjustable, adjust sensor probe advance and retreat, make sensor signal receiving and dispatching be in the optimum, be provided with the clamp ring, through the rotatory extrusion clamp ring of clamp cap screw thread, compress tightly the sensor, guarantee that the sensor can not withdraw from when the area is pressed work, be provided with spacing ring and spacing groove, match each other, prevent that the sensor body is because the increase of pipeline internal pressure is ejecting, safety is saved worry, high reliability.
Drawings
Fig. 1 is a schematic view of the adjustable length external insertion sensor device of the time difference type flowmeter of the present invention.
Fig. 2 is a front view of the external plug-in sensor device with adjustable length for a time difference type flowmeter of the present invention.
As shown in the figure: 1. a base; 2. a sensor body; 3. a ball valve; 4. a fixed body; 5. a compression cap; 6. a compression ring; 7. a first O-ring seal; 8. a second O-ring seal; 9. a cable joint; 10. a signal cable; 11. a piezoelectric ceramic chip; 12. a limiting ring; 13. a limiting groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the accompanying drawings 1-2, a time-difference type flow meter length-adjustable external insertion sensor device comprises a sensor body 2, wherein the sensor body 2 is arranged in a cylindrical structure, a piezoelectric ceramic chip 11 is arranged at an insertion end of the sensor body 2, a cable joint 9 is arranged at a connecting end of the sensor body 2, a signal cable 10 is arranged in the cable joint 9, the signal cable 10 extends into the sensor body 2 and is electrically connected with the piezoelectric ceramic chip 11, a limit ring 12 is arranged at the inner side of the piezoelectric ceramic chip 11 at the insertion end of the sensor body 2, a base 1, a ball valve 3, a fixing body 4 and a pressing cap 5 are sequentially sleeved on the sensor body 2 from the insertion end to the connecting end, two ends of the ball valve 3 are respectively in threaded connection with the base 1 and the fixing body 4, and the other end of the fixing body 4 is in threaded connection with the pressing cap 5, the inside clamp ring 6 that is equipped with of clamp cap 5, the inboard one end that is close to spacing ring 12 of fixed body 4 is equipped with spacing groove 13, spacing groove 13 and spacing ring 12 phase-match.
The piezoelectric ceramic chip 11 and the sensor body 2 form an included angle of 45 degrees.
And the threaded connection parts of the ball valve 3, the base 1 and the fixing body 4 are provided with first O-shaped sealing rings 7.
And a second O-shaped sealing ring 8 is arranged on the contact surface of the inner side of the fixed body 4 and the sensor body 2.
The thickness of the ring wall of the compression ring 6 is gradually reduced along the screwing direction of the compression cap 5.
The ball valve 3 is a DN25 three-piece ball valve.
The base 1 is arranged on the pressure pipeline through welding.
The diameter of the limiting ring 12 is smaller than the inner diameter of the base 1 and the ball valve 3.
The utility model discloses a concrete implementation mode: before the utility model is used, firstly, the base 1 is welded on the pressure pipeline, the sensor body 2 penetrates the base 1 and extends into the pressure pipeline, then the ball valve 3 and the fixed body 4 are sleeved into the sensor body 2 in sequence and the thread installation is completed, the sensor body 2 is connected into the differential flow meter signal acquisition terminal through the signal cable 10, then the sensor body 2 is advanced and retreated to be adjusted, the insertion end of the sensor body 2 is slowly extended into the pipeline, the signal is transmitted to the acquisition terminal through the signal cable 10 to display and judge whether the signal is in the best position, the pressing cap 5 is rotated after the position and the signal are determined, the pressing ring 6 is pressed to press the sensor body 2, when the sensor body 2 needs to be replaced, the pressing cap 5 is loosened to slowly draw the sensor body 2 outwards until the limiting ring 12 is clamped in the limiting groove 13, the insertion end of the sensor body 2 is withdrawn outside the ball valve 3, then the ball valve 3 is closed, and the sensor body 2 and the fixing body 4 are screwed off and replaced.
The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims (8)

1. The utility model provides an adjustable length extrapolation formula sensor device of time difference type flowmeter, includes sensor body (2), its characterized in that: the sensor body (2) is arranged in a cylindrical structure, a piezoelectric ceramic chip (11) is arranged at the insertion end of the sensor body (2), a cable joint (9) is arranged at the connecting end of the sensor body (2), a signal cable (10) is arranged in the cable joint (9), the signal cable (10) extends into the sensor body (2) and is electrically connected with the piezoelectric ceramic chip (11), a limiting ring (12) is arranged on the inner side of the piezoelectric ceramic chip (11) at the insertion end of the sensor body (2), a base (1), a ball valve (3), a fixing body (4) and a pressing cap (5) are sequentially sleeved on the sensor body (2) from the insertion end to the connecting end, the two ends of the ball valve (3) are respectively in threaded connection with the base (1) and the fixing body (4), and the other end of the fixing body (4) is in threaded connection with the pressing cap (5), the clamp cap (5) is internally provided with a clamp ring (6), one end of the inner side of the fixed body (4) close to the limit ring (12) is provided with a limit groove (13), and the limit groove (13) is matched with the limit ring (12).
2. The adjustable length of the extrapolation sensor apparatus of claim 1, wherein: the piezoelectric ceramic chip (11) and the sensor body (2) are arranged at an included angle of 45 degrees.
3. The adjustable length of the extrapolation sensor apparatus of claim 1, wherein: the threaded connection positions of the ball valve (3) and the base (1) and the fixed body (4) are provided with first O-shaped sealing rings (7).
4. The adjustable length of the extrapolation sensor apparatus of claim 1, wherein: and a second O-shaped sealing ring (8) is arranged on the contact surface of the inner side of the fixed body (4) and the sensor body (2).
5. The adjustable length of the extrapolation sensor apparatus of claim 1, wherein: the thickness of the ring wall of the pressing ring (6) is gradually reduced along the screwing direction of the pressing cap (5).
6. The adjustable length of the extrapolation sensor apparatus of claim 1, wherein: the ball valve (3) is a DN25 three-piece ball valve.
7. The adjustable length of the extrapolation sensor apparatus of claim 1, wherein: the base (1) is arranged on the pressure pipeline through welding.
8. The adjustable length of the extrapolation sensor apparatus of claim 1, wherein: the diameter of the limiting ring (12) is smaller than the inner diameters of the base (1) and the ball valve (3).
CN202122385594.0U 2021-09-30 2021-09-30 Adjustable length external plug-in type sensor device of time difference type flowmeter Active CN217058944U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122385594.0U CN217058944U (en) 2021-09-30 2021-09-30 Adjustable length external plug-in type sensor device of time difference type flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122385594.0U CN217058944U (en) 2021-09-30 2021-09-30 Adjustable length external plug-in type sensor device of time difference type flowmeter

Publications (1)

Publication Number Publication Date
CN217058944U true CN217058944U (en) 2022-07-26

Family

ID=82465034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122385594.0U Active CN217058944U (en) 2021-09-30 2021-09-30 Adjustable length external plug-in type sensor device of time difference type flowmeter

Country Status (1)

Country Link
CN (1) CN217058944U (en)

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