CN219977470U

CN219977470U - Multifunctional differential pressure flowmeter

Info

Publication number: CN219977470U
Application number: CN202321435046.7U
Authority: CN
Inventors: 张伟; 王宁; 毕昌培
Original assignee: Suzhou Luoerdi Technology Co ltd
Current assignee: Suzhou Luoerdi Technology Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-07
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to the technical field of differential pressure flowmeters, in particular to a multifunctional differential pressure flowmeter. The utility model comprises a shrinkage tube, wherein the arc surfaces of the shrinkage tube are provided with measuring devices, two ends of the shrinkage tube are respectively provided with a butt joint tube, the arc surfaces at two ends of the shrinkage tube are provided with an adjusting device, the adjusting device comprises a fixing ring, the inner wall of the fixing ring is fixedly connected with the arc surfaces of the shrinkage tube, the arc surfaces of the fixing ring are uniformly and fixedly connected with three fixing frames, and the inner walls of the three fixing frames are respectively and rotatably connected with a rotating frame. The problem of at the in-process that the operation was used to whole differential pressure flowmeter, will install between the terminal surface of both ends water pipe, need screw a large amount of screws at the in-process of installation to cause the condition that lets the installation dish of foraminiferous and a plurality of screw and water pipe be connected, and then lead to inconvenient installation spacing to whole differential pressure flowmeter is solved.

Description

Multifunctional differential pressure flowmeter

Technical Field

The utility model relates to the technical field of differential pressure flowmeters, in particular to a multifunctional differential pressure flowmeter.

Background

A differential pressure flowmeter is a device for calculating the flow volume of a fluid by using the pressure difference Δp generated before and after the fluid flows through a throttling element, and is common in daily life.

The venturi flow meter in the prior art has a narrower throat and certain flow loss, so that a novel venturi differential pressure flow meter is needed, and improvement is made for the defects.

The prior art is such as the utility model of publication number CN218673753U, and this patent discloses a differential pressure flowmeter, and this patent includes entry section, shrink section, throat, diffusion section and last section, set up the ring flange on the port of entry section and last section, the shrink section is close to the one end of entry section and is connected with left pressure pipe, throat department is connected with right pressure pipe, the shrink cone angle of shrink section is 20-24 degrees, the diffusion cone angle of diffusion section is 9-13 degrees. The utility model effectively improves the measurement precision of the Venturi differential pressure flowmeter, has smaller flow loss, simple structure and easy manufacture, and is worth popularizing.

The inventor finds that in daily life, the whole differential pressure flowmeter is installed between the end faces of water pipes at two ends in the operation and use process, and a large number of screws are required to be screwed in the installation process, so that the situation that a perforated installation disc and a large number of screws are connected with the water pipes is caused, and the problem that the whole differential pressure flowmeter is inconvenient to install and limit is caused.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, in the process of operating and using the whole differential pressure flowmeter, the whole differential pressure flowmeter is installed between the end faces of water pipes at two ends, a large number of screws are required to be screwed in the installation process, so that a perforated installation disc and a large number of screws are connected with the water pipes, and the whole differential pressure flowmeter is inconvenient to install and limit.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multi-functional differential pressure flowmeter, includes the shrink tube, the arc surface of shrink tube is provided with the caliber, the two of shrink tube all is provided with the butt joint pipe, the both ends arc surface of shrink tube is equipped with adjusting device, adjusting device includes solid fixed ring, gu the inner wall of fixed ring and the arc surface fixed connection of shrink tube, gu the even fixedly connected with of arc surface of fixed ring three mount, three the inner wall of mount all rotates and is connected with the rotating turret, the position threaded connection that the butt joint pipe arc surface corresponds the rotating turret has the rotating ring, the rotating ring is close to one side rotation that the shrink tube is connected with the holding ring, the holding ring inner wall slides with the surface of rotating turret and pegs graft.

The effects achieved by the components are as follows: in the process of operating and using the whole differential pressure flowmeter, the device is arranged between the end faces of the water pipes at two ends, so that the whole differential pressure flowmeter is conveniently and limitedly installed, the upper end of the rotating frame is inserted into the positioning ring on the connecting pipe through the limitation of the fixing ring on the shrink pipe, and the whole rotating ring is rotated, so that the whole connecting pipe and the shrink pipe are better extruded, limitedly fixed.

Preferably, one side of the butt joint pipe, which is close to the shrinkage pipe, is fixedly connected with a plurality of inserting posts, clamping holes are formed in the side wall of the shrinkage pipe, which corresponds to the positions of the inserting posts, and the inner walls of the clamping holes are spliced with the arc surfaces of the inserting posts.

The effects achieved by the components are as follows: in the process of butt joint of the butt joint pipe and the shrinkage pipe, the sealing performance and the better fixing limit can be effectively increased through the butt joint between the inserted post and the clamping hole.

Preferably, the inner wall arc surface of the fixing frame is sleeved with a coil spring, two ends of the coil spring are fixedly connected with the fixing frame, and the arc surface of the coil spring is in sliding penetration with the bottom end of the rotating frame.

The effects achieved by the components are as follows: the torsion force generated by the coil springs can better limit the position of the rotating frame, thereby being beneficial to the fixation and protection of the whole pipeline.

Preferably, a sealing ring is fixedly connected to one side of the shrink tube, which is close to the butt joint tube, and the surface of the sealing ring is abutted against the side wall of the butt joint tube.

The effects achieved by the components are as follows: the sealing performance can be effectively increased through the sealing ring, so that leakage of liquid in the pipeline is avoided.

Preferably, the arc surface of shrink tube is equipped with auxiliary device, auxiliary device includes two backup pads, two the inner wall of backup pad all with the arc surface looks butt of shrink tube, two the bottom fixedly connected with of backup pad is same link, the even fixedly connected with three telescopic link of bottom arc surface of link, three the same base of bottom fixedly connected with of telescopic link, three the equal screw thread of arc surface of telescopic link runs through there is the screw rod.

The effects achieved by the components are as follows: when using between whole shrink tube and butt joint pipe, in order to support the protection better to the caliber on the shrink tube, carry out spacingly through the base of shrink tube bottom this moment, let the telescopic link on the base fix the backup pad on the link to let the backup pad all support the butt to the arc surface of shrink tube, the screw rod on the reuse telescopic link extrudees fixedly, carries out better fixed protection between the whole pipeline effectively.

Preferably, the movable end arc surface of the telescopic rod is sleeved with a spring, and two ends of the spring are fixedly connected with the connecting frame and the fixed end of the telescopic rod respectively.

The effects achieved by the components are as follows: the pull force generated by the spring can better extrude and limit the positions of the whole telescopic rod and the connecting frame, so that shaking between the whole pipelines is avoided.

Preferably, the inner walls of the supporting plates are fixedly connected with protection pads, and the protection pads are rubber pads.

The effects achieved by the components are as follows: when the support plate is used for supporting and protecting the shrink tube, the protection pad made of rubber can better protect the pipeline.

In the utility model, the device is arranged between the end faces of the water pipes at two ends in the process of operating and using the whole differential pressure flowmeter, in order to conveniently carry out installation limit on the whole differential pressure flowmeter, the rotating frame on the fixed ring is rotated through the limit of the fixed ring on the shrink tube, the upper end of the rotating frame is spliced with the locating ring on the splicing pipe, and then the whole rotating ring is rotated, so that the whole splicing pipe and the shrink tube are better extruded and limited and fixed, in the process of butting the splicing pipe and the shrink tube, the sealing property and the better fixed limit can be effectively increased through the abutting joint between the inserting column and the clamping hole, the position of the rotating frame can be better limited through the torsion force generated by the coil spring, thereby being beneficial to the fixed protection of the whole pipeline, the sealing property can be effectively increased through the sealing slide, thus avoiding the leakage of liquid in the pipeline, the operation of the adjusting device is realized, the installation limit of the whole differential pressure flowmeter is realized, and the upper end of the rotating frame and the whole rotating ring are better extruded and limited through the limit of the fixed ring on the shrink tube, and the whole rotating frame is better extruded and limited between the whole rotating ring and the whole rotating ring.

According to the utility model, when the whole shrink tube and the butt joint tube are used, in order to better support and protect the measurer on the shrink tube, the base at the bottom end of the shrink tube is used for limiting, the telescopic rod on the base is used for fixing the support plate on the connecting frame, so that the support plate on the base is used for supporting and abutting all arc surfaces of the shrink tube, then the screw on the telescopic rod is used for extrusion and fixing, better fixed and protected among the whole pipelines is effectively achieved, the position of the whole telescopic rod and the position of the connecting frame can be better extruded and limited through the tensile force generated by the spring, shaking among the whole pipelines is avoided, when the support plate is used for supporting and protecting the shrink tube, the pipeline can be better protected through the protective pad made of rubber, the operation of the auxiliary device is achieved, the support and protection on the shrink tube is achieved, at the moment, the support plate on the connecting frame is fixed through the telescopic rod on the base, so that the support plate is used for supporting and abutting all arc surfaces of the shrink tube, and the screw on the telescopic rod is used for extrusion and fixing, and better fixed among the whole pipelines is effectively protected.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the adjusting device of the present utility model;

FIG. 3 is a schematic view of a part of the structure of the adjusting device of the present utility model;

fig. 4 is a schematic structural view of an auxiliary device of the present utility model.

Legend description: 1. a measurer; 2. a shrink tube; 3. a butt joint pipe; 4. an adjusting device; 41. a fixing ring; 42. a fixing frame; 43. a rotating frame; 44. a positioning ring; 45. a rotating ring; 46. inserting a column; 47. a seal ring; 48. a clamping hole; 49. a coil spring; 5. an auxiliary device; 51. a base; 52. a telescopic rod; 53. a spring; 54. a screw; 55. a connecting frame; 56. a support plate; 57. and a protective pad.

Detailed Description

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a multi-functional differential pressure flowmeter, includes shrink tube 2, and the arc surface of shrink tube 2 is provided with caliber 1, and the two of shrink tube 2 all are provided with butt joint pipe 3, and the both ends arc surface of shrink tube 2 is equipped with adjusting device 4, and the arc surface of shrink tube 2 is equipped with auxiliary device 5.

The specific arrangement and function of the adjusting means 4 and the auxiliary means 5 will be described in detail below.

Referring to fig. 2 and 3, in the present embodiment: the adjusting device 4 comprises a fixed ring 41, the inner wall of the fixed ring 41 is fixedly connected with the circular arc surface of the shrinkage tube 2, three fixing frames 42 are uniformly and fixedly connected with the circular arc surface of the fixed ring 41, the inner walls of the three fixing frames 42 are rotationally connected with a rotating frame 43, the circular arc surface of a butt joint tube 3 is in threaded connection with a rotating ring 45 corresponding to the position of the rotating frame 43, one side of the rotating ring 45, which is close to the shrinkage tube 2, is rotationally connected with a positioning ring 44, the inner wall of the positioning ring 44 is in sliding connection with the surface of the rotating frame 43, one side of the butt joint tube 3, which is close to the shrinkage tube 2, is fixedly connected with a plurality of inserting columns 46, clamping holes 48 are formed in the side wall of the shrinkage tube 2, which corresponds to the positions of the inserting columns 46, the inner wall of the clamping holes 48 is in connection with the circular arc surface of the inserting columns 46, coil springs 49 are sleeved on the circular arc surface of the inner wall of the fixing frames 42, two ends of the coil springs 49 are fixedly connected with the fixing frames 42, the circular arc surface of the coil springs 49 are in sliding penetration with the bottom end of the rotating frame 43, one side, which is close to the butt joint tube 3, a sealing ring 47 is fixedly connected with a sealing ring 47, and the surface of the sealing ring 47 is in contact with the side of the butt joint tube 3.

Referring to fig. 4, in this embodiment: the auxiliary device 5 comprises two supporting plates 56, the inner walls of the two supporting plates 56 are respectively abutted to the circular arc surfaces of the shrinkage tube 2, the bottom ends of the two supporting plates 56 are fixedly connected with the same connecting frame 55, the circular arc surfaces of the bottom ends of the connecting frame 55 are uniformly and fixedly connected with three telescopic rods 52, the bottom ends of the three telescopic rods 52 are fixedly connected with the same base 51, the circular arc surfaces of the three telescopic rods 52 are respectively threaded through screw rods 54, the movable end circular arc surfaces of the telescopic rods 52 are sleeved with springs 53, the two ends of each spring 53 are respectively fixedly connected with the connecting frame 55 and the fixed ends of the telescopic rods 52, the inner walls of the supporting plates 56 are respectively fixedly connected with protective pads 57, and the protective pads 57 are rubber pads.

Working principle: in the process of operating and using the whole differential pressure flowmeter, the device is arranged between the end faces of the water pipes at two ends, the whole differential pressure flowmeter is conveniently and limitedly installed, at this time, the limitation of the fixed ring 41 is carried out on the shrink tube 2, the rotating frame 43 on the fixed ring 41 is rotated, the upper end of the rotating frame 43 is spliced with the locating ring 44 on the butt joint tube 3, the whole rotating ring 45 is rotated, the whole butt joint tube 3 and the shrink tube 2 are better extruded and limitedly fixed, the butt joint tube 3 and the shrink tube 2 are butted, the tightness and the better fixed limitation are effectively increased through the butt joint between the inserting posts 46 and the clamping holes 48, the position of the rotating frame 43 can be better limited through the torsion force generated by the coil spring 49, thereby being beneficial to the fixed protection between the whole pipelines, the tightness can be effectively increased through the sealing slip, thereby avoiding the liquid in the pipelines from leaking, the whole differential pressure flowmeter is installed and limited through the operation of the adjusting device 4, the limit of the whole differential pressure flowmeter is achieved, the position of the upper rotating frame 43 on the fixed ring 41 is better extruded and the whole rotating frame 43 is better pressed and connected with the shrink tube 2, and the whole rotating frame 43 is better extruded and limited by the rotating frame 43.

When using between whole shrink tube 2 and butt joint pipe 3, in order to support the protection better to the caliber 1 on the shrink tube 2, this moment, base 51 through shrink tube 2 bottom lets telescopic link 52 on the base 51 is fixed to backup pad 56 on link 55, thereby let backup pad 56 all support the butt to the circular arc face of shrink tube 2, the screw 54 on the reuse telescopic link 52 extrudees fixedly, carry out better fixed protection between the whole pipeline effectively, pull force produced through spring 53 can carry out better extrusion spacing to the position of whole telescopic link 52 and link 55, avoid rocking between the whole pipeline, when utilizing backup pad 56 to support the protection to shrink tube 2, utilize the protection pad 57 of rubber material to protect the pipeline better, through the operation to auxiliary device 5, support the protection to the caliber 1 on the shrink tube 2, this moment, base 51 through shrink tube 2 bottom is spacing, telescopic link 52 on the base 51 is fixed to backup pad 56 on link 55, thereby let backup pad 56 all support the face of pipe 2 and carry out better fixed protection to the circular arc face of support link 55, utilize the telescopic link 52 to extrude fixedly between the whole pipeline effectively again, carry out better fixed protection between the telescopic link 52.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims

1. A multifunctional differential pressure flowmeter comprising a shrinkable tube (2), characterized in that: the utility model discloses a shrink tube, including shrink tube (2), the arc surface of shrink tube (2) is provided with caliber (1), the both ends arc surface of shrink tube (2) is equipped with adjusting device (4), adjusting device (4) are including solid fixed ring (41), the inner wall of solid fixed ring (41) and the arc surface fixed connection of shrink tube (2), the even fixedly connected with of arc surface of solid fixed ring (41) three mount (42), three the equal rotation of inner wall of mount (42) is connected with rotating turret (43), the position screw thread connection of butt joint tube (3) arc surface corresponding rotating turret (43) has rotating ring (45), one side rotation that rotating ring (45) is close to shrink tube (2) is connected with locating ring (44), the surface sliding grafting of locating ring (44) inner wall and rotating turret (43).

2. The multifunctional differential pressure flow meter of claim 1, wherein: one side of the butt joint pipe (3) close to the shrinkage pipe (2) is fixedly connected with a plurality of inserting posts (46), clamping holes (48) are formed in positions, corresponding to the inserting posts (46), of the side walls of the shrinkage pipe (2), and the inner walls of the clamping holes (48) are spliced with the arc surfaces of the inserting posts (46).

3. The multifunctional differential pressure flow meter of claim 1, wherein: the inner wall arc surface of mount (42) all overlaps spring (49), spring (49) both ends and mount (42) fixed connection, the arc surface of spring (49) runs through with the bottom of rotating frame (43) in a sliding way.

4. The multifunctional differential pressure flow meter of claim 1, wherein: one side of the shrinkage tube (2) close to the butt joint tube (3) is fixedly connected with a sealing ring (47), and the surface of the sealing ring (47) is abutted against the side wall of the butt joint tube (3).

5. The multifunctional differential pressure flow meter of claim 1, wherein: the utility model discloses a telescopic pipe, including shrinkage pipe, the arc surface of shrinkage pipe (2) is equipped with auxiliary device (5), auxiliary device (5) include two backup pad (56), two the inner wall of backup pad (56) all with the arc surface looks butt of shrinkage pipe (2), two the bottom fixedly connected with of backup pad (56) is same link (55), the even fixedly connected with of bottom arc surface of link (55) three telescopic link (52), three the bottom fixedly connected with of telescopic link (52) is same base (51), three the equal screw thread of arc surface of telescopic link (52) is run through there is screw rod (54).

6. The multifunctional differential pressure flow meter of claim 5, wherein: the movable end arc surface of the telescopic rod (52) is sleeved with a spring (53), and two ends of the spring (53) are fixedly connected with the connecting frame (55) and the fixed end of the telescopic rod (52) respectively.

7. The multifunctional differential pressure flow meter of claim 5, wherein: the inner walls of the supporting plates (56) are fixedly connected with protection pads (57), and the protection pads (57) are rubber pads.