CN212567566U

CN212567566U - Gas flow detection device

Info

Publication number: CN212567566U
Application number: CN202021500522.5U
Authority: CN
Inventors: 殷华
Original assignee: Sichuan Zhongheng Measurement And Testing Technology Co ltd
Current assignee: Sichuan Zhongheng Measurement And Testing Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-19
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a gas flow detection device belongs to measuring equipment technical field. The gas flow detection device comprises a flowmeter body and a connecting assembly. The bottom of the flowmeter body is fixedly connected with a connecting pipe in a sleeved mode, the outer surface of the connecting pipe is provided with external threads, a sealing ring is arranged between the flowmeter body and the connecting pipe, one end of the connecting pipe is fixedly communicated with an intermediate pipe, the connecting assembly comprises a movable pipe, the connecting pipe is externally sleeved with the movable pipe, internal threads are arranged inside the movable pipe, and the internal threads correspond to the external threads. During the use, the connecting pipe passes through sealing washer fixed connection in flowmeter body, and the movable tube has been cup jointed to the connecting pipe outside, through the inside internal thread of movable tube and the external screw thread of connecting pipe surface, makes connecting pipe fixed connection in flowmeter, and the device makes connecting pipe and flowmeter body sealed fixed through cup jointing the movable tube in the connecting pipe outside, effectively improves the problem of junction gas leakage.

Description

Gas flow detection device

Technical Field

The utility model relates to a measuring equipment technical field particularly, relates to a gas flow detection device.

Background

In industrial production, a gas pipeline is generally adopted to convey gases such as natural gas, artificial gas and liquefied petroleum gas, during the conveying process, a gas flowmeter is needed to measure the gases in the pipeline, the gas flowmeter is a common instrument for measuring the gas flow and is installed in a pipeline to record the amount of the gases flowing through the pipeline, and the gas flowmeter is widely applied to various fields of national economy such as metallurgy, electric power, coal, chemical industry, petroleum, traffic, building, light textile, food, medicine, agriculture, environmental protection, daily life of people and the like.

At present, at the place where a gas flow detection device is connected with a pipeline, the gas leakage phenomenon at the connection part can be caused due to the untight connection, and the serious influence is brought to the operation safety and the maintenance cost.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above insufficiency, the utility model provides a gas flow detection device aims at improving the problem of junction gas leakage.

The utility model discloses a realize like this:

the utility model provides a gas flow detection device includes flowmeter body and coupling assembling.

The utility model discloses a flowmeter, including flowmeter body, connecting pipe one end, coupling assembling, connecting pipe outside cup joint in the activity pipe, the bottom of flowmeter body cup joints and is fixed with the connecting pipe, the connecting pipe surface is equipped with the external screw thread, the flowmeter body with be equipped with the sealing washer between the connecting pipe, sealing washer periphery fixedly connected with lateral surface, the interior week fixedly connected with medial surface of sealing washer, the connecting pipe peg graft and be fixed in the lateral surface with between the medial surface, the fixed intercommunication of connecting pipe one end has the intervalve, coupling assembling includes the activity.

The utility model discloses an in the embodiment, flowmeter body bottom fixedly connected with flow measurement head, flow measurement head both sides joint is fixed with the bracing piece.

In an embodiment of the present invention, the bottom end of the support rod is fixedly connected to the bottom plate, and the length of the support rod is smaller than the diameter of the middle tube.

The utility model discloses an in one embodiment, the first flange of intermediate pipe fixedly connected with, outside pipeline fixedly connected with second flange.

In an embodiment of the present invention, the first flange and the second flange are fixedly connected by a locking member, and a gasket is disposed between the first flange and the second flange.

In an embodiment of the present invention, the locking member includes a threaded rod and a locking nut, and the locking nut is screwed to the threaded rod.

The utility model discloses an in one embodiment, the through-hole has been seted up to first flange with the second flange, the threaded rod is pegged graft and is fixed in the through-hole.

In an embodiment of the present invention, the intermediate pipe is connected to the connecting pipe by a connector, and the inner surface of the connector is connected to the outer surface of the bottom plate by a screw.

The utility model discloses an in an embodiment, the movable tube slides and cup joints with the connecting pipe surface, movable tube one end pipe diameter is less than movable tube other end pipe diameter.

The utility model discloses an in one embodiment, the connecting pipe diameter is greater than flowmeter body measurement end pipe diameter, flowmeter body delivery outlet is pegged graft and is fixed in the lateral surface with between the medial surface.

The utility model has the advantages that: the utility model discloses a gas flow detection device that above-mentioned design obtained, during the use, the connecting pipe passes through sealing washer fixed connection in the flowmeter body, the sealing washer inboard is equipped with the medial surface, the outside is equipped with the lateral surface, make zonulae occludens between the pipeline, the movable tube has been cup jointed to the connecting pipe outside, through the internal thread of movable tube and the external screw thread of connecting pipe surface, make connecting pipe fixed connection in flowmeter, the device is through cup jointing movable tube and sealing washer in the connecting pipe outside, make connecting pipe and flowmeter body seal fixed, effectively improve the problem of junction gas leakage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention providing a first viewing angle;

fig. 2 is a schematic diagram of a flowmeter body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the first flange, the second flange and the locking member according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a seal ring according to an embodiment of the present invention.

In the figure: 100-a flow meter body; 110-an intermediate pipe; 120-connecting tube; 121-external threads; 122-a sealing ring; 1221-medial side; 1222-an outer side; 130-flow detection head; 131-a bottom plate; 132-a support bar; 200-a connection assembly; 210-a first flange; 220-a second flange; 230-a retaining member; 231-a threaded rod; 232-locking nut; 233-a gasket; 250-a movable tube; 251-internal threads; 260-connecting head.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a gas flow rate detecting device includes a flowmeter body 100 and a connecting assembly 200.

Wherein, coupling assembling 200 fixed connection is in flowmeter body 100, and flowmeter body 100 is used for the gas flow to detect, and coupling assembling 200 is used for connecting outside pipeline and measuring line.

Referring to fig. 1-3 and 5, a connecting pipe 120 is fixedly sleeved at the bottom of a flowmeter body 100, an external thread 121 is disposed on the outer surface of the connecting pipe 120, the external thread 121 is used for fixed connection, a sealing ring 122 is disposed between the flowmeter body 100 and the connecting pipe 120, the sealing ring 122 is used for sealing the connection between the flowmeter body 100 and the connecting pipe 120, an outer side 1222 is fixedly connected to the outer periphery of the sealing ring 122, an inner side 1221 is fixedly connected to the inner periphery of the sealing ring 122, a middle pipe 110 is fixedly communicated with one end of the connecting pipe 120, the middle pipe 110 and the connecting pipe 120 are integrally designed, a flow rate detection head 130 is fixedly connected to the bottom end of the flowmeter body 100, the flow rate detection head 130 is located inside the middle pipe 110 during operation and is used for detecting the gas flow rate inside the middle pipe 110, support rods, prevent that flow detection head 130 from contacting the inner wall of intermediate tube 110, cause and detect not accurately, bracing piece 132 length is less than the diameter of intermediate tube 110, and connecting pipe 120 pipe diameter is greater than flowmeter body 100 measuring end pipe diameter, and the grafting of being convenient for is fixed, and connecting pipe 120 pegs graft and is fixed in between lateral surface 1222 and the medial surface 1221, and flowmeter body 100 delivery outlet pegs graft and is fixed in between lateral surface 1222 and the medial surface 1221, is favorable to the sealed between the pipeline, prevents the gas leakage.

Referring to fig. 1-4, the connection assembly 200 includes a movable pipe 250, a connection pipe 120 is externally sleeved on the movable pipe 250, an internal thread 251 is disposed inside the movable pipe 250, the internal thread 251 and the external thread 121 are correspondingly disposed to facilitate thread fastening, a first flange 210 is fixedly connected to the middle pipe 110, the middle pipe 110 and the first flange 210 are integrally designed, an external pipe is fixedly connected to a second flange 220, the first flange 210 and the second flange 220 are fixedly connected through a locking member 230 to facilitate sealing between pipes, a gasket 233 is disposed between the first flange 210 and the second flange 220 to seal a pipe connection, the locking member 230 includes a threaded rod 231 and a locking nut 232, the locking nut 232 is threadedly connected to the threaded rod 231, the first flange 210 and the second flange 220 are provided with through holes, the threaded rod 231 is fixedly inserted into the through holes, and is tightly sealed between the first flange 210 and the second flange 220 by fixing the threaded rod 231 and the locking nut 232, a connector 260 is arranged between the middle pipe 110 and the connecting pipe 120, the inner surface of the connector 260 is in threaded connection with the outer surface of the bottom plate 131, the movable pipe 250 is in sliding sleeve connection with the outer surface of the connecting pipe 120, and the pipe diameter of one end of the movable pipe 250 is smaller than that of the other end of the movable pipe 250, so that sleeve connection and fixation are facilitated.

Specifically, the working principle of the gas flow detection device is as follows: when the flowmeter works, the connecting pipe 120 is fixedly connected to the flowmeter body 100 through the sealing ring 122, the outer periphery of the sealing ring 122 is fixedly connected with the outer side surface 1222, the inner periphery of the sealing ring 122 is fixedly connected with the inner side surface 1221, the connecting pipe 120 is fixedly inserted between the outer side surface 1222 and the inner side surface 1221, which is beneficial to sealing between pipelines and preventing gas leakage, the bottom end of the flowmeter body 100 is provided with the flow detection head 130, the flow detection head 130 is positioned inside the middle pipe 110 when working and is used for detecting the gas flow inside the middle pipe 110, the supporting rod 132 is used for supporting the bottom plate 131 and preventing the flow detection head 130 from contacting the inner wall of the middle pipe 110 and causing inaccurate detection, the movable pipe 250 is sleeved outside the connecting pipe 120, the connecting pipe 120 is fixedly connected to the flowmeter body 100 through the internal thread inside the movable, the first flange 210 and the second flange 220 are tightly sealed, the middle pipe 110 and the external pipeline are tightly connected, if the flowmeter body 100 needs to be maintained, the movable pipe 250 is loosened, the connector 260 and the bottom plate 131 are in threaded connection, the support rod 132 is pulled out, and the flowmeter body 100 is maintained under the condition that the work is not affected.

It should be noted that the specific model specification of the flowmeter body 100 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the flow meter body 100 and its principles will be clear to those skilled in the art and will not be described in detail herein.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas flow detection device is characterized by comprising

The flowmeter comprises a flowmeter body (100), a connecting pipe (120) is fixedly sleeved at the bottom of the flowmeter body (100), an external thread (121) is arranged on the outer surface of the connecting pipe (120), a sealing ring (122) is arranged between the flowmeter body (100) and the connecting pipe (120), the outer periphery of the sealing ring (122) is fixedly connected with an outer side surface (1222), the inner periphery of the sealing ring (122) is fixedly connected with an inner side surface (1221), the connecting pipe (120) is fixedly spliced between the outer side surface (1222) and the inner side surface (1221), and one end of the connecting pipe (120) is fixedly communicated with a middle pipe (110);

the connecting assembly (200) comprises a movable pipe (250), the connecting pipe (120) is externally sleeved on the movable pipe (250), an internal thread (251) is arranged inside the movable pipe (250), and the internal thread (251) and the external thread (121) are correspondingly arranged.

2. The gas flow rate detecting device according to claim 1, wherein a flow rate measuring head (130) is fixedly connected to the bottom end of the flowmeter body (100), and a support rod (132) is clamped and fixed to both sides of the flow rate measuring head (130).

3. The gas flow rate detecting device according to claim 2, wherein a bottom plate (131) is fixedly connected to a bottom end of the supporting rod (132), and a length of the supporting rod (132) is smaller than a diameter of the middle pipe (110).

4. A gas flow measuring device according to claim 3, wherein a first flange (210) is fixedly connected to the intermediate pipe (110) and a second flange (220) is fixedly connected to the external pipe.

5. The gas flow detecting device according to claim 4, wherein the first flange (210) and the second flange (220) are fixedly connected by a locking member (230), and a gasket (233) is disposed between the first flange (210) and the second flange (220).

6. The gas flow detecting device according to claim 5, wherein the locking member (230) includes a threaded rod (231) and a locking nut (232), and the locking nut (232) is threadedly coupled to the threaded rod (231).

7. The gas flow detecting device according to claim 6, wherein the first flange (210) and the second flange (220) are provided with through holes, and the threaded rod (231) is inserted and fixed in the through holes.

8. The gas flow detecting device according to claim 3, wherein a connector (260) is disposed between the middle tube (110) and the connecting tube (120), and an inner surface of the connector (260) is in threaded connection with an outer surface of the base plate (131).

9. The gas flow detecting device according to claim 1, wherein the movable tube (250) is slidably sleeved on an outer surface of the connecting tube (120), and a tube diameter of one end of the movable tube (250) is smaller than a tube diameter of the other end of the movable tube (250).

10. The gas flow detecting device according to claim 9, wherein the diameter of the connecting pipe (120) is larger than that of the measuring end of the flowmeter body (100), and the output port of the flowmeter body (100) is inserted and fixed between the outer side surface (1222) and the inner side surface (1221).