CN209878043U

CN209878043U - Ultrasonic flowmeter

Info

Publication number: CN209878043U
Application number: CN201920655402.3U
Authority: CN
Inventors: 王泽锋
Original assignee: Hebei Haifeng Electronic Technology Co Ltd
Current assignee: Hebei Haifeng Electronic Technology Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2019-12-31
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses an ultrasonic flowmeter, including shell body, first sensing probe, second sensing probe, pipeline, alignment mechanism and shrink mechanism, alignment mechanism includes fixed sleeve and alignment mark piece, fixed sleeve fixed connection is in the top surface of first sensing probe, the inside one end fixed connection of fixed sleeve has first spring, the one end fixed connection of first spring is in outer alignment sighting rod, the shrink groove has been seted up to the one end inside of outer alignment sighting rod, outer alignment sighting rod has cup jointed interior alignment sighting rod through the shrink groove; through the increase design of interior alignment sighting rod and alignment mark piece for alignment between first sensing probe and second sensing probe can be realized more to first sensing probe and second sensing probe when with pipeline fixed connection, thereby make ultrasonic wave transmission and receipt can be more accurate, make measuring result more accurate, through the design of outer alignment sighting rod, be convenient for contract and accomodate the sighting rod of inwards aliging.

Description

Ultrasonic flowmeter

Technical Field

The utility model belongs to the technical field of the flow is surveyed, concretely relates to ultrasonic flowmeter.

Background

An ultrasonic flowmeter is an instrument for measuring a flow rate by detecting an action of a fluid flow on an ultrasonic beam (or ultrasonic pulse), and a probe provided in the ultrasonic flowmeter is roughly classified into a clamp-type sensing probe and a holder-type sensing probe

The utility model discloses an ultrasonic flowmeter as utility model with grant bulletin number CN104769395B, its precision that has increased the measurement, but do not solve current ultrasonic flowmeter and press from both sides the alignment problem when dress formula sensing probe and pipe connection, and press from both sides the problem that the chain exists and be difficult for shrink when dress formula sensing probe carries out fixed connection through chain and pipeline and accomodate, for this reason we propose an ultrasonic flowmeter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic flowmeter to solve the current ultrasonic flowmeter who proposes in the above-mentioned background art and press from both sides the problem of aligning when dress formula sensing probe and pipe connection, and press from both sides the problem that the chain exists difficult shrink and accomodate when dress formula sensing probe carries out fixed connection through chain and pipeline.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultrasonic flowmeter, includes shell body, first sensing probe, second sensing probe, pipeline, alignment mechanism and shrink mechanism, alignment mechanism includes fixed sleeve and alignment mark piece, fixed sleeve fixed connection is in the top surface of first sensing probe, the first spring of fixed sleeve's inside one end fixedly connected with, the one end fixed connection of first spring is in outer alignment mark pole, the shrink groove has been seted up to the one end of outer alignment mark pole is inside, outer alignment mark pole has through shrink groove cover in having aligned the mark pole, alignment mark piece fixed connection is in top surface one side of second sensing probe, the circular recess has been seted up to surface one side of alignment mark piece, just the tip and the circular recess block that interior alignment mark pole matches.

Preferably, shrink mechanism includes swivelling chute and chain, the swivelling chute is seted up in the inside of first sensing probe and second sensing probe respectively, just the third spring groove has been seted up to the inside one side that is located the swivelling chute of first sensing probe and second sensing probe, just the one end and the swivelling chute intercommunication in third spring groove, the inside of swivelling chute is provided with the rotary disk, just the surface both ends of rotary disk respectively with the tip fixed connection of two chains.

Preferably, the front surface top side of shell body is provided with the display screen, the front surface bottom side of shell body is provided with the function button, the first sensing line of top fixedly connected with and the second sensing line of shell body, first sensing probe fixed connection is in the one end of first sensing line, second sensing probe fixed connection is in the one end of second sensing line, the equal fixedly connected with chain in one end of first sensing probe and second sensing probe, first sensing probe and second sensing probe pass through chain and pipeline fixed connection.

Preferably, the outer surface of one end of the inner alignment marker post is provided with an external thread, the inner side surface of one end of the shrinkage groove is provided with an internal thread, and the internal thread is connected with the external thread in a matched clamping manner.

Preferably, the outer alignment marker post is of a square structure, and the inner alignment marker post and the contraction groove are of cylindrical structures.

Preferably, the top surface of the fixing sleeve is fixedly connected with a second spring groove, a second spring is arranged in the second spring groove, a limiting pin is arranged on the inner side, located on the second spring, of the second spring groove, the top end of the limiting pin is fixedly connected with a pull handle, and the pull handle penetrates through the top surface of the second spring groove.

Preferably, the top end of the second spring is fixedly connected with the top end surface of the inner side of the second spring groove, and the bottom end of the second spring is fixedly connected with the top end surface of the limit pin.

Preferably, the top surface of the outer alignment marker post is provided with a pair of limiting holes, and the limiting holes are matched and clamped with the bottoms of the limiting pins.

Preferably, the surface of one side of the bottom of the limit pin is of a curved surface structure, the surface of the other side of the bottom of the limit pin is of a plane structure, and the curved surface structure is arranged facing the first spring.

Preferably, a third spring is arranged in the third spring groove, a turntable shaft is fixedly connected to one side of the outer surface of the rotating disc, and the third spring is fixedly sleeved with the outer surface of the turntable shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) increase design through interior alignment sighting rod and alignment mark piece, make first sensing probe and second sensing probe can realize the alignment between first sensing probe and second sensing probe more when with pipeline fixed connection, thereby make ultrasonic wave transmission and receipt can be more accurate, make measuring result more accurate, design through outer alignment sighting rod, be convenient for contract and accomodate to the sighting rod of internally aligning, design through fixing sleeve, be convenient for externally align the sighting rod and accomodate simultaneously with interior alignment sighting rod, design through spacing tip and spacing hole, be convenient for externally align the sighting rod and carry on spacingly with interior alignment sighting rod.

(2) Through the design of rotary disk, be convenient for coil the chain and accomodate, through the design of carousel axle, be convenient for realize the rotation of rotary disk, through the design of third spring, be convenient for realize reseing of rotary disk to coil the chain and accomodate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the connection between the first sensing probe and the second sensing probe of the present invention and the pipeline;

fig. 3 is a schematic view of the internal structure of the fixing sleeve of the present invention;

FIG. 4 is a schematic view of the connection between the outer alignment marker post and the inner alignment marker post of the present invention;

FIG. 5 is a schematic view of the connection structure of the limiting pin and the limiting hole of the present invention;

fig. 6 is a schematic view of the connection between the rotating disc and the chain according to the present invention.

In the figure: 1. an outer housing; 2. a first sensing probe; 3. a first sensing line; 4. a display screen; 5. a second sensing line; 6. a second sensing probe; 7. function keys; 8. a pipeline; 9. fixing the sleeve; 10. an inner alignment marker post; 11. aligning the standard blocks; 12. a first spring; 13. an outer alignment post; 14. a contraction groove; 15. a limit pin; 16. a limiting hole; 17. a second spring groove; 18. a second spring; 19. pulling a handle; 20. a chain; 21. a rotating tank; 22. a turntable shaft; 23. rotating the disc; 24. a third spring groove; 25. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an ultrasonic flowmeter, including shell body 1, first sensing probe 2, second sensing probe 6, pipeline 8, alignment mechanism and shrink mechanism, alignment mechanism includes fixed sleeve 9 and alignment mark piece 11, fixed sleeve 9 fixed connection is in the top surface of first sensing probe 2, the first spring 12 of inside one end fixedly connected with of fixed sleeve 9, the one end fixed connection of first spring 12 is in outer alignment mark pole 13, shrink groove 14 has been seted up to outer alignment mark pole 13's one end inside, outer alignment mark pole 13 has cup jointed interior alignment mark pole 10 through shrink groove 14, alignment mark piece 11 fixed connection is in top surface one side of second sensing probe 6, circular recess has been seted up to alignment mark piece 11's surface one side, and the tip and the circular recess block matching of interior alignment mark pole 10, through the increase design of interior alignment mark pole 10 and alignment mark piece 11, make first sensing probe 2 and second sensing probe 6 can realize first sensing probe more when with pipeline 8 fixed connection Alignment between probe 2 and second sensing probe 6 to make ultrasonic wave's transmission and receipt can be more accurate, make measuring result more accurate, through the design of outer alignment sighting rod 13, be convenient for contract and accomodate internal alignment sighting rod 10, through the design of fixed sleeve 9, be convenient for externally align sighting rod 13 and internal alignment sighting rod 10 and accomodate simultaneously.

In order to facilitate the coil storage of the chain 20, in this embodiment, preferably, the retraction mechanism includes a rotation slot 21 and a chain 20, the rotation slot 21 is opened inside the first sensing probe 2 and the second sensing probe 6, and a third spring slot 24 is opened on one side of the rotation slot 21 inside the first sensing probe 2 and the second sensing probe 6, and one end of the third spring slot 24 is communicated with the rotation slot 21, a rotation disc 23 is arranged inside the rotation slot 21, and two ends of the outer surface of the rotation disc 23 are fixedly connected to the ends of the two chains 20 respectively.

In order to facilitate the measurement of the flow rate of the pipeline, in this embodiment, preferably, the top side of the front surface of the outer shell 1 is provided with the display screen 4, the bottom side of the front surface of the outer shell 1 is provided with the function key 7, the top of the outer shell 1 is fixedly connected with the first sensing line 3 and the second sensing line 5, the first sensing probe 2 is fixedly connected to one end of the first sensing line 3, the second sensing probe 6 is fixedly connected to one end of the second sensing line 5, one ends of the first sensing probe 2 and the second sensing probe 6 are both fixedly connected with the chain 20, and the first sensing probe 2 and the second sensing probe 6 are fixedly connected to the pipeline 8 through the chain 20.

In order to facilitate the limiting of the inner alignment marker post 10, in this embodiment, preferably, an outer surface of one end of the inner alignment marker post 10 is provided with an external thread, an inner surface of one end of the contraction groove 14 is provided with an internal thread, and the internal thread is in matching and clamping connection with the external thread.

In order to avoid the rotation of the outer alignment marker post 13 caused by the rotation of the inner alignment marker post 10 through the screw threads, in the present embodiment, it is preferable that the outer alignment marker post 13 has a square structure, and both the inner alignment marker post 10 and the shrinkage cavity 14 have a cylindrical structure.

In order to facilitate the fixed connection of the limit pin 15, in this embodiment, preferably, the top surface of the fixing sleeve 9 is fixedly connected with a second spring groove 17, a second spring 18 is disposed inside the second spring groove 17, the limit pin 15 is disposed inside the second spring 18 and inside the second spring groove 17, the top end of the limit pin 15 is fixedly connected with a pull handle 19, and the pull handle 19 penetrates through the top surface of the second spring groove 17.

In order to facilitate the elastic return of the limit pin 15, in this embodiment, preferably, the top end of the second spring 18 is fixedly connected to the inner top end surface of the second spring groove 17, and the bottom end of the second spring 18 is fixedly connected to the top end surface of the limit pin 15.

In order to facilitate the limiting engagement of the limiting pin 15, in this embodiment, preferably, a pair of limiting holes 16 is formed on the top surface of the outer alignment marker post 13, and the limiting holes 16 are engaged with the bottom of the limiting pin 15 in a matching manner.

In order to facilitate the extraction and the limiting of the outer alignment mark post 13, in the present embodiment, it is preferable that one side surface of the bottom of the limiting pin 15 is a curved surface structure, the other side surface of the bottom of the limiting pin 15 is a planar structure, and the curved surface structure is disposed facing the first spring 12.

In order to facilitate the return rotation of the rotating disc 23, in this embodiment, it is preferable that a third spring 25 is disposed inside the third spring groove 24, the rotating disc shaft 22 is fixedly connected to one side of the outer surface of the rotating disc 23, and the third spring 25 is fixedly sleeved on the outer surface of the rotating disc shaft 22.

The utility model discloses a theory of operation and use flow: after the device is installed, during detection, the first sensing probe 2 and the second sensing probe 6 are respectively fixed on the outer surface of a pipeline 8, during fixing, the chain 20 is outwards pulled out and then fixed with the pipeline 8, after the fixing is finished, the positions of the first sensing probe 2 and the second sensing probe 6 are adjusted, the first sensing probe 2 and the second sensing probe 6 are basically in an aligned state, then the inner alignment mark rod 10 is outwards pulled out to the outermost end and is rotated to be fixed with the end part of the contraction groove 14 through threads, then the inner alignment mark rod 10 is pulled to be outwards pulled out to be fixed with the outer alignment mark rod 13, the end part of the inner alignment mark rod 10 is clamped with the circular groove on the outer surface of the alignment mark block 11, at the moment, the limit tip 15 is just mutually limited and clamped with the limit hole 16 at the other end, so that the inner alignment mark rod 10 is limited and fixed, at the moment, the first sensing probe 2 and the second sensing probe 6 are completely in an aligned state, make the transmission of ultrasonic wave more accurate with the receipt, after the measurement, take off chain 20 from pipeline 8, then let out chain 20, it is rotatory to drive rotary disk 23 through carousel axle 22 under the elastic action of third spring 25, and rotary disk 23 can coil the chain 20 of both sides when rotatory and accomodate to the surface of rotary disk 23.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ultrasonic flowmeter, includes shell body (1), first sensing probe (2), second sensing probe (6), pipeline (8), alignment mechanism and shrink mechanism, its characterized in that: the aligning mechanism comprises a fixing sleeve (9) and an aligning mark block (11), the fixing sleeve (9) is fixedly connected to the top surface of the first sensing probe (2), a first spring (12) is fixedly connected to one end of the fixing sleeve (9), one end of the first spring (12) is fixedly connected to an outer aligning mark rod (13), a shrinkage groove (14) is formed in one end of the outer aligning mark rod (13), the outer aligning mark rod (13) is sleeved with an inner aligning mark rod (10) through the shrinkage groove (14), the aligning mark block (11) is fixedly connected to one side of the top surface of the second sensing probe (6), a circular groove is formed in one side of the outer surface of the aligning mark block (11), and the end of the inner aligning mark rod (10) is clamped and matched with the circular groove.

2. An ultrasonic flow meter according to claim 1, wherein: shrink mechanism includes swivelling chute (21) and chain (20), the inside of locating first sensing probe (2) and second sensing probe (6) is seted up respectively in swivelling chute (21), just third spring groove (24) have been seted up to the inside one side that is located swivelling chute (21) of first sensing probe (2) and second sensing probe (6), just the one end and the swivelling chute (21) intercommunication of third spring groove (24), the inside of swivelling chute (21) is provided with rotary disk (23), just the surface both ends of rotary disk (23) respectively with the tip fixed connection of two chains (20).

3. An ultrasonic flow meter according to claim 1, wherein: the utility model discloses a pipeline sensor, including shell body (1), front surface, first sensing probe (2), second sensing probe (6), display screen (4) are provided with on the top side of the front surface of shell body (1), the front surface bottom side of shell body (1) is provided with function button (7), the first sensing line of top fixedly connected with (3) and second sensing line (5) of shell body (1), first sensing probe (2) fixed connection is in the one end of first sensing line (3), second sensing probe (6) fixed connection is in the one end of second sensing line (5), the equal fixedly connected with chain (20) of one end of first sensing probe (2) and second sensing probe (6), first sensing probe (2) and second sensing probe (6) are through chain (20) and pipeline (8) fixed connection.

4. An ultrasonic flow meter according to claim 1, wherein: the outer surface of one end of the inner alignment marker post (10) is provided with an external thread, the inner side surface of one end of the shrinkage groove (14) is provided with an internal thread, and the internal thread is connected with the external thread in a matched clamping manner.

5. An ultrasonic flow meter according to claim 1, wherein: the outer alignment marker post (13) is of a square structure, and the inner alignment marker post (10) and the contraction groove (14) are of cylindrical structures.

6. An ultrasonic flow meter according to claim 1, wherein: the top surface fixed connection of fixed sleeve (9) has second spring groove (17), the inside of second spring groove (17) is provided with second spring (18), just the inboard that the inside of second spring groove (17) is located second spring (18) is provided with spacing tip (15), the top fixedly connected with pull handle (19) of spacing tip (15), just pull handle (19) run through the top surface of second spring groove (17).

7. An ultrasonic flow meter according to claim 6, wherein: the top end of the second spring (18) is fixedly connected with the surface of the top end of the inner side of the second spring groove (17), and the bottom end of the second spring (18) is fixedly connected with the surface of the top end of the limiting pin (15).

8. An ultrasonic flow meter according to claim 1, wherein: the top surface of the outer alignment mark post (13) is provided with a pair of limiting holes (16), and the limiting holes (16) are matched and clamped with the bottoms of the limiting pins (15).

9. An ultrasonic flow meter according to claim 8, wherein: the surface of one side of the bottom of the limiting pin (15) is of a curved surface structure, the surface of the other side of the bottom of the limiting pin (15) is of a plane structure, and the curved surface structure is arranged facing the first spring (12).

10. An ultrasonic flow meter according to claim 2, wherein: a third spring (25) is arranged in the third spring groove (24), a turntable shaft (22) is fixedly connected to one side of the outer surface of the rotating disc (23), and the third spring (25) is fixedly sleeved with the outer surface of the turntable shaft (22).