Bar type flowmeter
Technical Field
The utility model relates to the technical field of flowmeters, in particular to a bar flowmeter.
Background
The Annubar flowmeter is one of the bar flowmeters, it is a new differential pressure flow detection type element developed according to the pitot tube speed measuring principle, it outputs differential pressure signal, and is used with the instrument and meter for measuring differential pressure, it can accurately measure the flow of various liquids, gases and steam in circular pipeline and rectangular pipeline, and it is widely used in the power industry, chemical industry, petroleum and metal smelting industry. The traditional Annuba flowmeter only has one connection and fixing mode, and has the problem of inconvenient installation due to the influence of the use environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that: the technical insufficiency who exists to the aforesaid provides a kind of bar flowmeter, and the bottom that adopts differential pressure transmitter is connected with three valves, and the bottom of three valves is connected with the connecting pipe, and the bottom of connecting pipe is connected with and is responsible for the body, is responsible for and has connected gradually by last horizontal flange and can dismantle vertical flange on the body, is responsible for the inside evenly distributed that lies in on the body and can dismantle vertical flange and is provided with the structure in water hole. The function that the flowmeter can select to carry out flange connection and fixation on the side wall of the pipeline or the top wall of the pipeline according to the use condition is realized. The problem of the flowmeter receive service environment limitation to lead to the installation inconvenient is solved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a bar flowmeter, differential pressure transmitter's bottom is connected with three valves, the bottom of three valves is connected with the connecting pipe, the bottom of connecting pipe is connected with and is responsible for the body, be responsible for and have connected gradually by last horizontal flange and can dismantle vertical flange by last to the lower part on the body, it is provided with the water hole to be responsible for the inside evenly distributed that lies in on the body and can dismantle vertical flange.
Further optimize this technical scheme, the main pipe body includes pipe body, first external screw thread, second external screw thread, third external screw thread have set gradually on the pipe body from the top down, be provided with the water hole between second external screw thread and the third external screw thread, second external screw thread and third external screw thread set up for crossing the water hole symmetry.
Further optimize this technical scheme, can dismantle horizontal flange includes horizontal flange plate body, first connecting cylinder, first internal thread, first connecting hole, first connecting internal thread, the central point of horizontal flange plate body puts and runs through and is provided with first connecting cylinder, the inboard of first connecting cylinder is provided with first internal thread, the outside evenly distributed that lies in first connecting cylinder on the horizontal flange plate body is provided with first connecting hole, first connecting hole inboard is provided with first connecting internal thread.
Further optimize this technical scheme, can dismantle vertical flange includes vertical flange plate body, second connecting cylinder, second internal thread, second connecting hole, second connection internal thread, vertical flange plate body is hollow barrel, the top and the bottom of the vertical direction of vertical flange plate body run through respectively and are provided with the second connecting cylinder, the inboard of second connecting cylinder is provided with the second internal thread, evenly distributed runs through on the periphery of vertical flange plate body and is provided with the second connecting hole, be provided with the second in the second connecting hole and connect the internal thread.
Further optimize this technical scheme, first internal thread and first external screw thread phase-match, second external screw thread and third external screw thread phase-match with the second internal thread respectively.
Compared with the prior art, the utility model has the beneficial effects that: can dismantle horizontal flange and can dismantle vertical flange through setting up simultaneously, can select different flange joint fixed mode according to the difference of mounted position, easy to assemble improves the installation effectiveness.
Drawings
Fig. 1 is a schematic view of a bar-type flowmeter.
Fig. 2 is a schematic structural view of a main tube of a bar-type flowmeter.
Fig. 3 is a schematic view of a detachable horizontal connecting flange and a detachable vertical connecting flange of a bar-type flowmeter.
Fig. 4 is an exploded view of a schematic of a bar-type flowmeter.
In the figure, 1, a differential pressure transmitter; 2. a three-valve group; 3. a connecting pipe; 4. a primary tube; 5. a detachable horizontal connecting flange; 6. a detachable vertical connecting flange; 7. water passing holes; 401. a tube body; 402. a first external thread; 403. a second external thread; 404. a third external thread; 501. a horizontal flange plate body; 502. a first connecting cylinder; 503. a first internal thread; 504. a first connection hole; 505. a first connecting internal thread; 601. a vertical flange body; 602. a second connecting cylinder; 603. a second internal thread; 604. a second connection hole; 605. and a second connecting internal thread.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. 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.
With reference to fig. 1-4, the differential pressure transmitter 1 is specifically structured such that the bottom of the differential pressure transmitter is connected with a three-valve group 2, the bottom of the three-valve group 2 is connected with a connecting pipe 3, the bottom of the connecting pipe 3 is connected with a main pipe body 4, the main pipe body 4 is sequentially connected with a detachable horizontal connecting flange 5 and a detachable vertical connecting flange 6 from top to bottom, and water holes 7 are uniformly distributed in the main pipe body 4 and located in the detachable vertical connecting flange 6.
Preferably, the main pipe body 4 comprises a pipe body 401, a first external thread 402, a second external thread 403 and a third external thread 404, the first external thread 402, the second external thread 403 and the third external thread 404 are sequentially arranged on the pipe body 401 from top to bottom, a water through hole 7 is arranged between the second external thread 403 and the third external thread 404, and the second external thread 403 and the third external thread 404 are symmetrically arranged relative to the water through hole 7.
Preferably, the detachable horizontal connecting flange 5 includes a horizontal flange body 501, a first connecting cylinder 502, a first internal thread 503, a first connecting hole 504, and a first connecting internal thread 505, the central position of the horizontal flange body 501 is provided with the first connecting cylinder 502 in a penetrating manner, the inner side of the first connecting cylinder 502 is provided with the first internal thread 503, the outer side of the first connecting cylinder 502 on the horizontal flange body 501 is uniformly provided with the first connecting hole 504, and the inner side of the first connecting hole 504 is provided with the first connecting internal thread 505.
Preferably, the detachable vertical connecting flange 6 includes a vertical flange body 601, a second connecting cylinder 602, a second internal thread 603, a second connecting hole 604, and a second connecting internal thread 605, the vertical flange body 601 is a hollow cylinder, the second connecting cylinder 602 is respectively provided at the top and the bottom of the vertical flange body 601 in the vertical direction in a penetrating manner, the second internal thread 603 is provided at the inner side of the second connecting cylinder 602, the second connecting holes 604 are uniformly distributed on the circumferential surface of the vertical flange body 601 in a penetrating manner, and the second connecting internal thread 605 is provided in the second connecting hole 604.
Preferably, the first internal thread 503 is matched with the first external thread 402, and the second external thread 403 and the third external thread 404 are respectively matched with the second internal thread 603.
In use, as shown in fig. 1 to 4, depending on the installation environment, the flowmeter is installed on the side wall of the pipeline or the top wall of the pipeline, when the flowmeter is installed on the side wall of the pipeline, the detachable horizontal connecting flange 5 is rotatably detached from the main pipe body 4, the detachable vertical connecting flange 6 is fixedly connected to the main pipe body 4, and the second connecting cylinders 602 at the top end and the bottom end of the detachable vertical connecting flange 6 are respectively screwed on the second external threads 403 and the third external threads 404 on the pipe body 401. When the flowmeter is installed on the top wall of the pipeline, the detachable vertical connecting flange 6 is rotatably detached from the main pipe body 4, and the detachable horizontal connecting flange 5 is rotatably and fixedly connected to the main pipe body 4, so that the first connecting cylinder 502 at the central position of the detachable horizontal connecting flange 5 is screwed on the first external thread 402 on the pipe body 401. The structure can lead the flowmeter to select different installation modes according to different use environments, save the installation time and improve the installation efficiency of workers.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. 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.