CN214793321U

CN214793321U - Direct insertion type ultrasonic flowmeter

Info

Publication number: CN214793321U
Application number: CN202120733283.6U
Authority: CN
Inventors: 赵志婵; 顾文达
Original assignee: Tangshan Jingzhi Instrument Co ltd
Current assignee: Tangshan Jingzhi Instrument Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-19
Anticipated expiration: 2031-04-12

Abstract

The utility model relates to an ultrasonic flow sensor technical field especially relates to a formula ultrasonic flowmeter cut straightly. Including the sensor pole, the outside cover of sensor pole is equipped with ring cover form locking closure, and the locking closure includes installation department and sealing, and the inside sealed pad that is provided with in the position that sealing sensor pole meets is sealed to fill up through the locking nut locking between locking closure and sensor pole. The end part of the lead end of the sensor rod is provided with a rubber gasket, a sensor lead penetrates out of the inside of the rubber gasket, and the rubber gasket is locked at the lead end of the sensor rod through a set nut. The outer diameter of the transduction probe on one side of the sensor rod, which is far away from the lead end, is larger than the inner diameter of the lock cover. The adoption overlaps into ring form locking closure in the ultrasonic sensor pole, sets up installation department and sealing in the locking closure, and the sensor pole is connected with locking closure slidable, can lock both and seal through the lock mother, has solved the fragile problem of current bayonet ultrasonic flowmeter threaded connection.

Description

Direct insertion type ultrasonic flowmeter

Technical Field

The utility model relates to an ultrasonic flow sensor technical field especially relates to a formula ultrasonic flowmeter cut straightly.

Background

The ultrasonic flowmeter is a measuring sensor widely used for fluid measurement, the existing plug-in ultrasonic flowmeter is mostly screwed in by threads during installation, the threads are easily damaged during installation or maintenance, the lead wire of the sensor is not sealed, the lead wire is easily short-circuited when the use environment is severe, and the service life and the reliability of the sensor are reduced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the technical deficiencies, and the utility model provides a direct-insertion ultrasonic flowmeter, which adopts a ring-shaped locking cover sleeved in an ultrasonic sensor rod, and a mounting part and a sealing part are arranged in the locking cover, the sensor rod is connected with the locking cover in a sliding way, and the sensor rod and the locking cover can be locked and sealed by a locking nut, thereby solving the problem that the threaded connection of the prior insertion ultrasonic flowmeter is easy to be damaged; the sensor lead and the sensor rod are locked and sealed through the nut and the rubber gasket, and the problem that short circuit is easily caused due to the fact that the existing sensor is not tight in wiring sealing is solved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a formula ultrasonic flowmeter cut straightly, includes the sensor pole, the outside cover of sensor pole is equipped with ring form locking closure, the locking closure includes installation department and sealing, the sealing the inside sealed pad that is provided with in position that the sensor pole meets, sealed pad is through the locking of lock mother between locking closure and sensor pole.

This technical scheme is further optimized, the lead wire end tip of sensor pole is provided with the rubber packing ring, and the sensor lead wire is worn out from the rubber packing ring is inside, the nut through setting up of rubber packing ring is at the lead wire end locking of sensor pole.

Further optimize this technical scheme, one side that the lead wire end was kept away from to the sensor pole is provided with the transduction probe, the external diameter of transduction probe department is greater than the internal diameter of locking closure.

Further optimize this technical scheme, sealed pad with still be provided with the gasket between the lock mother.

Further optimize this technical scheme, its characterized in that: the included angle between the working surface of the energy conversion probe and the axis of the sensor rod is degree.

Further optimize this technical scheme, radial penetration has the locking bolt in the lock mother, the locking bolt is in threaded connection and top tightly on the outer wall of sensor pole in the lock mother.

Further optimize this technical scheme, the outer wall of installation department is provided with the external screw thread.

Compared with the prior art, the utility model has the advantages of it is following: 1. the screw thread screwing type is changed into the direct insertion type, so that the damage to the screw thread in the installation process is avoided, and the direct insertion type directly inserts the sensor into a pipeline without secondary damage; 2. the original sensor lead is a split connection wire, and a disposable connection wire is made through locking of a nut and a rubber gasket, so that complete sealing is realized, and the protection grade of the sensor is improved; 3. the outer diameter of the position of the transduction probe is set to be larger than the inner diameter of the locking cover, so that accidents caused by ejection of the sensor rod can be avoided, and the construction safety is improved; 4. the working surface of the energy conversion probe is made into a 45-degree emission angle, which is beneficial to the transmission of signals and the reception of upstream and downstream signals, thereby being convenient to find corresponding point positions.

Drawings

FIG. 1 is a cross-sectional view of an in-line ultrasonic flow meter.

In the figure: 1. a locking cover; 101. an installation part; 102. a sealing part; 2. a gasket; 3. a gasket; 4. locking a nut; 5. a sensor lever; 6. a nut; 7. a rubber gasket; 8. a transducing probe; 9. and locking the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the words "a," "an," or "the" and similar referents in the specification and claims of the present application does not denote a limitation of quantity, but rather denotes the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The specific implementation mode is as follows: combine shown in fig. 1, a formula ultrasonic flowmeter cut straightly, including sensor pole 5, the outside cover of sensor pole 5 is equipped with ring form locking closure 1, locking closure 1 includes installation department 101 and sealing 102, sealing 102 the inside sealed pad 2 that is provided with in the position that sensor pole 5 meets, sealed pad 2 locks between locking closure 1 and sensor pole 5 through lock nut 4, sealed pad 2 with still be provided with gasket 3 between the lock nut 4. One side of the sensor rod 5, which is far away from the lead end, is provided with a transduction probe 8, and the outer diameter of the transduction probe 8 is larger than the inner diameter of the lock cover 1. Can avoid sensor pole 5 to pop out in the locking closure 1 during the use, radial penetration has the locking bolt 9 in the lock nut 4, locking bolt 9 is in threaded connection and top tightly on the outer wall of sensor pole 5 in the lock nut 4, can further improve the firm degree that locking closure 1 and sensor pole 5 are connected. The end part of the lead end of the sensor rod 5 is provided with a rubber gasket 7, a sensor lead penetrates out of the rubber gasket 7, and the rubber gasket 7 is locked at the lead end of the sensor rod 5 through a set nut 6. And the included angle between the working surface of the transduction probe 8 and the axis of the sensor rod 5 is 45 degrees. The outer wall of installation department 101 is provided with the external screw thread, is connected fixedly through external screw thread and valve body or mount pad during the use.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An in-line ultrasonic flow meter comprising a sensor rod (5), characterized in that: the outside cover of sensor pole (5) is equipped with ring cover form locking closure (1), locking closure (1) is including installation department (101) and sealing (102), sealing (102) the inside sealed pad (2) that is provided with in position that sensor pole (5) meet, sealed pad (2) are locked between locking closure (1) and sensor pole (5) through lock mother (4).

2. An in-line ultrasonic flow meter according to claim 1, wherein: the sensor comprises a sensor rod (5) and is characterized in that a rubber gasket (7) is arranged at the end part of the lead end of the sensor rod (5), a sensor lead penetrates out of the interior of the rubber gasket (7), and the rubber gasket (7) is locked at the lead end of the sensor rod (5) through a set nut (6).

3. An in-line ultrasonic flow meter according to claim 1, wherein: one side of the sensor rod (5) far away from the lead end is provided with an energy conversion probe (8), and the outer diameter of the energy conversion probe (8) is larger than the inner diameter of the lock cover (1).

4. An in-line ultrasonic flow meter according to any of claims 1 to 3, wherein: and a gasket (3) is also arranged between the sealing gasket (2) and the lock nut (4).

5. An in-line ultrasonic flow meter according to claim 3, wherein: and the included angle between the working surface of the transduction probe (8) and the axis of the sensor rod (5) is (45 degrees).

6. An in-line ultrasonic flow meter according to claim 5, wherein: the locking nut (4) is radially penetrated with a locking bolt (9), and the locking bolt (9) is in the locking nut (4) in a threaded connection mode and is tightly pressed against the outer wall of the sensor rod (5).

7. An in-line ultrasonic flow meter according to claim 5, wherein: the outer wall of installation department (101) is provided with the external screw thread.