Gas flowmeter based on Internet of Things

Abstract

The invention is suitable for the technical field of gas flow meters, and provides an internet of things gas flow meter which comprises a flow meter body, a connecting assembly, a pressing assembly, a supporting assembly and a transmission assembly, the connecting assembly comprises a rod sleeve, a connecting bolt and a driving mechanism, and the driving mechanism comprises an outer gear ring, a driven gear and a stepping motor. The pressing assembly comprises a connecting disc, a pressing plate, a pressing pin, a first compression spring and a first connecting rod, the connecting assembly, the pressing assembly, the supporting assembly and the transmission assembly are arranged, during installation, the connecting assembly is started for connection, the connecting assembly drives the supporting assembly to be started through the transmission assembly, and after installation is completed, the supporting assembly is connected with the pressing plate. The flowmeter body and the pipeline are supported through the supporting assembly, measurement errors caused by vibration or movement are reduced, the flange plate of the flowmeter body and the flange plate of the pipeline are pressed through the pressing assembly, looseness is prevented, and the measurement precision is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of gas flow meters, and in particular relates to an Internet of Things gas flow meter. Background Art

[0002] Gas flow meter is an instrument for measuring gas flow. It is installed in the pipeline to record the amount of gas flowing through.

[0003] In the prior art, a common way to connect a gas flow meter to a pipeline is to use bolts and nuts in conjunction with a flange to connect the gas flow meter to the pipeline. On the one hand, the flow meter and the pipeline are connected by tightening the bolts one by one during installation, which is cumbersome and time-consuming. On the other hand, during long-term use, due to the influence of factors such as vibration and collision, the separately connected bolts and nuts are easily loosened, affecting the stability of the connection and thus affecting the monitoring accuracy. Summary of the invention

[0004] The present invention provides an Internet of Things gas flow meter, aiming to solve the above-mentioned problems.

[0005] The present invention is implemented in this way: an Internet of Things gas flow meter, comprising:

[0006] Flow meter body;

[0007] A connecting assembly provided on the flow meter body, used to connect the flange of the flow meter body and the flange of the pipeline;

[0008] A pressing assembly provided on the flow meter body is used to press the flange of the flow meter body and the flange of the pipeline;

[0009] A support assembly provided on the flow meter body, used to support the flow meter body and the pipeline;

[0010] The transmission component connected between the connecting component and the supporting component enables synchronous support during connection.

[0011] Preferably, the connection assembly comprises:

[0012] A plurality of rod sleeves are circumferentially and spacedly rotatably mounted on the flange of the flow meter body, wherein connecting bolts are inserted into the rod sleeves, and the connecting bolts are slidably connected with the rod sleeves along their length direction, and threaded holes matching with the connecting bolts are provided on the flange of the flow meter body and the pipeline;

[0013] A driving mechanism used to drive all rod sleeves on the flange to rotate synchronously.

[0014] Preferably, the driving mechanism comprises:

[0015] The outer gear ring installed on the flow meter body is rotated, and all the rod sleeves are fixed with a driven gear meshing with the outer gear ring;

[0016] A stepper motor is fixedly mounted on the flow meter body, a driving gear is fixed on the output shaft of the stepper motor, and the driving gear is meshed with a driven gear.

[0017] Preferably, the pressing assembly comprises:

[0018] A plurality of connection plates rotatably mounted on the circumferential wall of the flange of the flow meter body in an annular direction and at intervals, wherein the connection plates are located on the side of the rod sleeve;

[0019] Rotate the pressure plate installed on the connection plate to press the flange of the pipeline;

[0020] A clamping pin mounted on the connection plate, the clamping pin abuts against a side wall of the pressure plate away from the flow meter body, the connection plate is provided with an arc-shaped slide groove for slidingly mounting the clamping pin, a first compression spring is installed in the arc-shaped slide groove, and the first compression spring exerts a force on the clamping pin so that the clamping pin has a tendency to clamp the pressure plate;

[0021] One end of the first connecting rod is eccentrically hinged to a side of the connecting plate away from the pin shaft, and the other end of the first connecting rod is hinged to a connecting sleeve, which is rotatably mounted on an adjacent connecting bolt.

[0022] Preferably, the flange end surface of the flow meter body is provided with a plurality of positioning pins, and the flange end surface of the pipeline is provided with positioning holes that cooperate with the positioning pins.

[0023] Preferably, a first piston cavity is provided in the flange of the flow meter body near the connection disk, one end of the first piston cavity away from the connection disk is connected to the outside, a first piston is provided in the first piston cavity, a first piston rod is fixed to the first piston along the radial direction of the flange of the flow meter body, the top end of the first piston rod extends upward to one side of the connection disk, the top end of the first piston rod is hinged to one end of a tension spring, and the other end of the tension spring is eccentrically hinged to the connection disk;

[0024] A second piston cavity is provided in the plurality of positioning pins, and an end of the second piston cavity away from the pipeline is communicated with the top end of the first piston cavity through a connecting passage, a second piston is provided in the second piston cavity, a second piston rod coaxial with the positioning shaft is fixed on the second piston, the second piston rod extends to the outside of the second piston cavity and is fixed with a push ball, a balloon is sleeved on the outside of the push ball, and the balloon is communicated with an end of the second piston cavity close to the pipeline;

[0025] The positioning pin is provided with latches on both sides of the push ball, the side wall of the positioning hole is provided with a socket that cooperates with the latch, a moving cam is fixed to the end of the latch close to the push ball, the inclined surface of the moving cam contacts the balloon, and a second compression spring is sleeved on the latch between the moving cam and the side wall of the positioning hole.

[0026] Preferably, the support assembly comprises:

[0027] A first supporting structure, used to support the flow meter body;

[0028] The second supporting structure is used to support the pipeline connected to the flow meter body.

[0029] Preferably, the first supporting structure comprises:

[0030] Two threaded rods are vertically installed side by side at intervals at the bottom of the flow meter body, the bottom ends of the two threaded rods are connected to the lower plate, and the two ends of the threaded rods are rotatably connected to the bottom of the flow meter body and the lower plate respectively;

[0031] A bottom plate is arranged below the lower plate, and a rubber pad is fixed to the lower surface of the bottom plate;

[0032] Two ratchet bars are symmetrically fixed to the upper surface of the bottom plate, and the ratchet bars penetrate the lower plate and are slidably connected thereto;

[0033] Two positioning claws are horizontally arranged and symmetrically mounted on the lower plate, respectively cooperating with two ratchet bars;

[0034] The operating structure installed on the lower plate is used to drive the positioning claw to engage or separate with the ratchet bar.

[0035] Preferably, the operation structure comprises:

[0036] A turntable rotatably mounted on the lower plate between the two positioning claws, wherein a torsion spring is connected between the turntable and the lower plate;

[0037] A second connecting rod is connected between the rotating disk and the positioning claw, one end of the second connecting rod is eccentrically hinged to the end surface of the rotating disk, and the other end of the second connecting rod is hinged to the positioning claw. In a natural state, the positioning claw is clamped with the ratchet bar.

[0038] Preferably, the second supporting structure comprises:

[0039] A movable plate is arranged above the lower plate, and the movable plate is threadedly connected to two threaded rods;

[0040] An upper plate is arranged above the movable plate, and the upper plate is rotatably connected to two threaded rods;

[0041] A scissor mechanism connected between the movable plate and the upper plate, wherein two upper and lower hinge points in the middle of the scissor mechanism are hinged to the upper plate and the movable plate respectively;

[0042] Supports installed at both ends of the scissor mechanism are used to support the pipes on both sides of the flow meter body;

[0043] The driving mechanism can drive the two threaded rods to rotate synchronously through the transmission assembly;

[0044] The support member comprises:

[0045] A mounting rod, the bottom end of which is hinged to the lower hinge point of the end of the scissor-fork mechanism, and the top end of which passes through a guide sleeve, which is hinged to the upper hinge point of the end of the scissor-fork mechanism;

[0046] A mounting plate fixed to the top of the mounting rod, a support plate for supporting the bottom of the pipeline is provided above the mounting plate, a vertical guide rod is fixed to the lower surface of the support plate, and the guide rod movably penetrates the mounting plate;

[0047] A lower side plate installed on the mounting plate and located on both sides of the support plate, wherein the lower part of the lower side plate is rotatably connected to the top end of the support rod fixed on the mounting plate, and a torsion spring is connected between the lower side plate and the support rod. In a natural state, the force of the torsion spring on the lower side plate causes the bottom end of the lower side plate to be located below the support plate;

[0048] An upper side plate is installed on the top end of the lower side plate, the middle part of the upper side plate is rotatably connected to the top end of the lower side plate, an elastic ring is provided on the lower side plate below the upper side plate, the upper part of the elastic ring is rotatably connected to the lower side plate, the rotation track of the elastic ring passes through the lower part of the upper side plate, and an elastic pull rope is connected between the elastic ring and the lower side plate.

[0049] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0050] The Internet of Things gas flow meter provided by the present invention is provided with a connecting component, a clamping component, a supporting component and a transmission component. During installation, the connecting component is started to connect, and the connecting component drives the supporting component to start through the transmission component. After the installation is completed, the flow meter body and the pipeline are supported by the supporting component to reduce measurement errors caused by vibration or movement. The flange of the flow meter body and the flange of the pipeline are clamped by the clamping component to prevent loosening and improve measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 It is a structural schematic diagram of an Internet of Things gas flow meter provided by the present invention.

[0052] Figure 2 It is a structural schematic diagram of a driving mechanism in an Internet of Things gas flow meter provided by the present invention.

[0053] Figure 3 for Figure 1Enlarged view of point A in .

[0054] Figure 4 for Figure 1 Enlarged view of point B in .

[0055] Figure 5 It is a structural schematic diagram of a support component in an Internet of Things gas flow meter provided by the present invention.

[0056] Figure numerals: 100, flow meter body; 200, pipeline; 1, stepping motor; 2, connecting sleeve; 3, connecting bolt; 4, first connecting rod; 5, connecting plate; 6, first compression spring; 7, clamping pin; 8, pressing plate; 9, outer gear ring; 10, driving gear; 11, driven gear; 12, rod sleeve; 13, upper side plate; 14, lower side plate; 15, mounting plate; 16, guide sleeve; 17, mounting rod; 18, scissor mechanism; 19, upper plate; 20, movable Moving plate; 21. threaded rod; 22. lower plate; 23. bottom plate; 24. ratchet bar; 25. positioning claw; 26. second connecting rod; 27. turntable; 28. rubber pad; 29. ​​synchronous belt structure; 30. second bevel gear; 31. first bevel gear; 32. elastic ring; 33. support plate; 34. tension spring; 35. first piston chamber; 36. connecting channel; 37. second piston chamber; 38. push ball; 39. moving cam; 40. balloon; 41. elastic pull rope. DETAILED DESCRIPTION

[0057] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0058] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0059] The embodiment of the present invention provides an Internet of Things gas flow meter, such as Figure 1-Figure 5 As shown, including:

[0060] The flow meter body 100 is designed for the Internet of Things and is provided with a communication module for transmitting monitoring data to a terminal;

[0061] A connecting assembly provided on the flow meter body 100, used to connect the flange of the flow meter body 100 and the flange of the pipeline 200;

[0062] The pressing assembly provided on the flow meter body 100 is used to press the flange of the flow meter body 100 and the flange of the pipeline 200;

[0063] A support assembly provided on the flow meter body 100, used to support the flow meter body 100 and the pipeline 200;

[0064] The transmission component connected between the connecting component and the supporting component enables synchronous support during connection.

[0065] During installation, the connecting component is started to connect, and the connecting component drives the supporting component to start through the transmission component. After the installation is completed, the flow meter body 100 and the pipeline 200 are supported by the supporting component to reduce the measurement error caused by vibration or movement. The flange of the flow meter body 100 and the flange of the pipeline 200 are pressed together by the clamping component to prevent loosening and improve the measurement accuracy.

[0066] Wherein, the connection component comprises:

[0067] A plurality of rod sleeves 12 are rotatably mounted on the flange of the flow meter body 100 at intervals in the annular direction, a connecting bolt 3 is inserted into the rod sleeve 12, the connecting bolt 3 is slidably connected with the rod sleeve 12 along the length direction thereof, a convex strip can be arranged on the connecting bolt 3 along the length direction thereof, a groove matching with the convex strip is arranged on the rod sleeve 12, and threaded holes matching with the connecting bolt 3 are opened on the flange of the flow meter body 100 and the pipeline 200;

[0068] A driving mechanism for driving all the rod sleeves 12 on the flange to rotate synchronously.

[0069] During installation, all the rod sleeves 12 are driven to rotate synchronously through the driving mechanism, and the rod sleeves 12 drive the connecting bolts 3 to rotate. The connecting bolts 3 are inserted into the threaded holes on the flanges of the flow meter body 100 and the pipeline 200 to connect the flanges of the flow meter body 100 and the pipeline 200. The flow meter body 100 can be quickly connected without manually tightening the bolts one by one to connect, thereby improving the installation efficiency.

[0070] In this embodiment, the driving mechanism includes:

[0071] The outer gear ring 9 rotatably mounted on the flow meter body 100 can be rotatably mounted via a bearing, and all the rod sleeves 12 are fixed with a driven gear 11 meshing with the outer gear ring 9;

[0072] The stepper motor 1 is fixedly mounted on the flow meter body 100 and can be fixed by screws. A driving gear 10 is fixed on the output shaft of the stepper motor 1, and the driving gear 10 is meshed with a driven gear 11;

[0073] Start the stepper motor 1, the stepper motor 1 drives the driving gear 10 to rotate, the driving gear 10 drives a driven gear 11 to rotate, the driven gear 11 drives other driven gears 11 to rotate through the outer gear ring 9, so that all the rod sleeves 12 rotate synchronously, and the rod sleeves 12 drive the connecting bolts 3 to rotate to achieve quick connection.

[0074] In a specific implementation, the pressing assembly includes:

[0075] A plurality of connection plates 5 are rotatably mounted on the circumferential wall of the flange of the flow meter body 100 in an annular direction and at intervals, and the connection plates 5 are located on the side of the rod sleeve 12;

[0076] The pressing plate 8 mounted on the connecting plate 5 is rotatably mounted to press the flange of the pipeline 200. Preferably, a notch is provided on the pressing plate 8 to match the edge of the flange.

[0077] A clamping pin 7 is mounted on the connection plate 5, the clamping pin 7 abuts against the side wall of the pressure plate 8 away from the flow meter body 100, the connection plate 5 is provided with an arc-shaped slide groove for slidingly mounting the clamping pin 7, a first compression spring 6 is installed in the arc-shaped slide groove, and the first compression spring 6 exerts a force on the clamping pin 7 so that it has a tendency to clamp the pressure plate 8;

[0078] A first connecting rod 4 having one end eccentrically hinged to a side of the connecting plate 5 away from the pin shaft, and a connecting sleeve 2 hinged to the other end of the first connecting rod 4, and the connecting sleeve 2 is rotatably mounted on an adjacent connecting bolt 3;

[0079] When the rod sleeve 12 drives the connecting bolt 3 to move toward one side of the pipeline 200, the connecting bolt 3 drives the rod sleeve 12 to move close to the connecting plate 5. The rod sleeve 12 drives the connecting plate 5 to rotate through the first connecting rod 4. When the connecting plate 5 rotates, the first compression spring 6 is gradually compressed. The first compression spring 6 pushes the clamping pin 7 to increase the pressure on the pressure plate 8, thereby increasing the pressure of the pressure plate 8 on the flange of the pipeline 200, and the flange of the pipeline 200 is pressed against the flange of the flowmeter body 100.

[0080] Furthermore, the flange end face of the flow meter body 100 is provided with a plurality of positioning pins, and the flange end face of the pipeline 200 is provided with positioning holes that cooperate with the positioning pins. The positioning pins cooperate with the positioning holes to play a positioning role, and the pipeline 200 and the flow meter body 100 are more stable when connected.

[0081] Furthermore, a first piston chamber 35 is provided in the flange of the flow meter body 100 near the connection plate 5, and one end of the first piston chamber 35 away from the connection plate 5 is connected to the outside, and a first piston is provided in the first piston chamber 35, and a first piston rod is fixed to the first piston along the radial direction of the flange of the flow meter body 100, and the top end of the first piston rod extends upward to one side of the connection plate 5, and the top end of the first piston rod is hinged to one end of the tension spring 34, and the other end of the tension spring 34 is eccentrically hinged to the connection plate 5;

[0082] A second piston cavity 37 is provided in the plurality of positioning pins. The end of the second piston cavity 37 away from the pipeline 200 is communicated with the top of the first piston cavity 35 through a connecting passage 36. A second piston is provided in the second piston cavity 37. A second piston rod coaxial with the positioning axis is fixed on the second piston. The second piston rod extends to the outside of the second piston cavity 37 and is fixed with a push ball 38. A balloon 40 is sleeved on the outside of the push ball 38. The balloon 40 is communicated with the end of the second piston cavity 37 close to the pipeline 200 and can be communicated through a bellows.

[0083] The positioning pin is provided with latches on both sides of the push ball 38, and the side wall of the positioning hole is provided with a socket that cooperates with the latch. A moving cam 39 is fixed to the end of the latch close to the push ball 38, and the inclined surface of the moving cam 39 is in contact with the balloon 40. A second compression spring is mounted on the latch between the moving cam 39 and the side wall of the positioning hole.

[0084] When the connecting disk 5 rotates, the first piston rod is pulled by the tension spring 34 to drive the first piston to move upward, and the air in the first piston chamber 35 enters the second piston chamber 37 through the connecting channel 36, pushing the second piston to drive the second piston rod to move toward the side of the pin, and the second piston rod drives the push ball 38 to move. At the same time, the air in the second piston chamber 37 enters the balloon 40, and the push ball 38 drives the pin through the moving cam 39 to overcome the force of the second compression spring and insert into the socket. At the same time, the balloon 40 gradually expands to increase the force on the moving cam 39, and the connection between the pin and the socket is tighter, thereby making the connection between the flow meter body 100 and the pipeline 200 more stable.

[0085] The support assembly comprises:

[0086] A first supporting structure, used to support the flow meter body 100;

[0087] The second supporting structure is used to support the pipe 200 connected to the flow meter body 100 .

[0088] Furthermore, the first supporting structure comprises:

[0089] Two threaded rods 21 are vertically installed side by side and spaced apart at the bottom of the flow meter body 100, the bottom ends of the two threaded rods 21 are connected to a lower plate 22, and the two ends of the threaded rods 21 are rotatably connected to the bottom of the flow meter body 100 and the lower plate 22 respectively;

[0090] A bottom plate 23 is disposed below the lower plate 22, and a rubber pad 28 is fixed to the lower surface of the bottom plate 23, which can be fixed by glue;

[0091] Two ratchet bars 24 are symmetrically fixed to the upper surface of the bottom plate 23, and the ratchet bars 24 penetrate the lower plate 22 and are slidably connected thereto;

[0092] Two positioning claws 25 are horizontally arranged and symmetrically mounted on the lower plate 22, respectively cooperating with two ratchet bars 24;

[0093] The operating structure installed on the lower plate 22 is used to drive the positioning claw 25 to engage or disengage with the ratchet bar 24 .

[0094] Preferably, the operation structure includes:

[0095] A turntable 27 rotatably mounted on the lower plate 22 between the two positioning claws 25, wherein a torsion spring is connected between the turntable 27 and the lower plate 22;

[0096] A second connecting rod 26 connected between the rotating disk 27 and the positioning claw 25, one end of the second connecting rod 26 is eccentrically hinged to the end surface of the rotating disk 27, and the other end of the second connecting rod 26 is hinged to the positioning claw 25. In a natural state, the positioning claw 25 is engaged with the ratchet bar 24 to limit the upward movement of the ratchet bar 24;

[0097] During installation, the turntable 27 is rotated according to the installation height. The turntable 27 drives the positioning claw 25 to separate from the ratchet bar 24 through the second connecting rod 26. The position of the bottom plate 23 is adjusted so that the rubber pad 28 is supported on the ground. Then the turntable 27 is released. The turntable 27 rotates and resets under the torsion spring. The positioning claw 25 is driven to engage with the ratchet bar 24 through the second connecting rod 26 to support the flow meter body 100.

[0098] Furthermore, the second supporting structure comprises:

[0099] A movable plate 20 is disposed above the lower plate 22, and the movable plate 20 is threadedly connected to two threaded rods 21;

[0100] An upper plate 19 is disposed above the movable plate 20, and the upper plate 19 is rotatably connected to two threaded rods 21;

[0101] A scissor mechanism 18 connected between the movable plate 20 and the upper plate 19, wherein two upper and lower hinge points in the middle of the scissor mechanism 18 are hinged to the upper plate 19 and the movable plate 20 respectively;

[0102] Support members installed at both ends of the scissor mechanism 18 are used to support the pipes 200 on both sides of the flow meter body 100;

[0103] The driving mechanism can drive the two threaded rods 21 to rotate synchronously through the transmission assembly.

[0104] In this embodiment, the support member includes:

[0105] A mounting rod 17, the bottom end of which is hinged to the lower hinge point of the end of the scissor-fork mechanism 18, and the top end of which passes through a guide sleeve 16, which is hinged to the upper hinge point of the end of the scissor-fork mechanism 18;

[0106] The mounting plate 15 fixed to the top of the mounting rod 17 can be fixed by welding. A support plate 33 for supporting the bottom of the pipeline 200 is provided above the mounting plate 15. A vertical guide rod is fixed to the lower surface of the support plate 33. The guide rod movably penetrates the mounting plate 15.

[0107] The lower side plate 14 is mounted on the mounting plate 15 and is located on both sides of the support plate 33. The lower part of the lower side plate 14 is rotatably connected to the top of the support rod fixed on the mounting plate 15. A torsion spring is connected between the lower side plate 14 and the support rod. In a natural state, the force of the torsion spring on the lower side plate 14 causes the bottom end of the lower side plate 14 to be located below the support plate 33.

[0108] The upper side plate 13 is installed on the top of the lower side plate 14, and the middle part of the upper side plate 13 is rotatably connected to the top of the lower side plate 14. An elastic ring 32 is provided on the lower side plate 14 below the upper side plate 13. The upper part of the elastic ring 32 is rotatably connected to the lower side plate 14. The rotation track of the elastic ring 32 passes through the lower part of the upper side plate 13. An elastic pull rope 41 is connected between the elastic ring 32 and the lower side plate 14.

[0109] During installation, the driving mechanism drives the two threaded rods 21 to rotate synchronously through the transmission assembly, and the two threaded rods 21 drive the movable plate 20 to move upward, and the movable plate 20 drives the scissor mechanism 18 to extend, and the scissor mechanism 18 drives the support to move toward the pipes 200 on both sides. When the scissor mechanism 18 extends, its lower hinge point follows the movable plate 20 to move upward, drives the installation rod 17 to move upward, and the installation rod 17 drives the installation plate 15 to move upward, so that the support plate 33 moves downward relative to the installation plate 15, and the support plate 33 pushes the lower side plate 14 to rotate, and the lower side plate 14 clamps the side of the pipe 200. At the same time, the side of the pipe 200 pushes the elastic ring 32, and the elastic ring 32 pushes the lower part of the upper side plate 13, so that the upper part of the upper side plate 13 rotates toward the pipe 200 and clamps the upper part of the pipe 200, thereby automatically supporting and fixing the pipe 200.

[0110] In a specific implementation, the transmission assembly includes:

[0111] A first bevel gear 31 fixed to a driven gear 11 adjacent to the threaded rod 21, and a second bevel gear 30 meshing with the first bevel gear 31 is fixed to the threaded rod 21;

[0112] The synchronous belt structure 29 connected between the two threaded rods 21 enables the two threaded rods 21 to rotate synchronously.

[0113] During installation, the driven gear 11 rotates, and the driven gear 11 drives the first bevel gear 31 to rotate. The first bevel gear 31 rotates through the second bevel gear 30, and the second bevel gear 30 drives the threaded rod 21 where it is located to rotate. This threaded rod 21 drives another threaded rod 21 to rotate through the synchronous belt structure 29, and the threaded rod 21 drives the movable plate 20 to move upward.

[0114] In summary, the present invention provides an Internet of Things gas flow meter, the working principle of which is:

[0115] During installation, according to the installation height, the turntable 27 is rotated, and the turntable 27 drives the positioning claw 25 to separate from the ratchet bar 24 through the second connecting rod 26, and the position of the bottom plate 23 is adjusted so that the rubber pad 28 is supported on the ground, and then the turntable 27 is loosened, and the turntable 27 rotates and resets under the torsion spring, and the positioning claw 25 is driven to engage with the ratchet bar 24 through the second connecting rod 26 to support the flow meter body 100, and then the stepper motor 1 is started, and the stepper motor 1 drives the driving gear 10 to rotate, and the driving gear 10 drives a driven gear 11 to rotate, and this driven gear 11 drives other driven gears 11 to rotate through the outer gear ring 9, so that all the rod sleeves 12 rotate synchronously, and the rod sleeves 12 drive the connecting bolts 3 to rotate, and the connecting bolts 3 penetrate into the flow meter body 100 and the pipeline. The threaded holes on the flange of 200 connect the flange of the flow meter body 100 and the flange of the pipeline 200. When the rod sleeve 12 drives the connecting bolt 3 to move toward one side of the pipeline 200, the connecting bolt 3 drives the rod sleeve 12 to move close to the connecting plate 5. The rod sleeve 12 drives the connecting plate 5 to rotate through the first connecting rod 4. When the connecting plate 5 rotates, the first compression spring 6 is gradually compressed. The first compression spring 6 pushes the clamping pin 7 to increase the pressure on the pressure plate 8, thereby increasing the pressure of the pressure plate 8 on the flange of the pipeline 200, and the flange of the pipeline 200 is pressed against the flange of the flow meter body 100. At the same time, the connecting plate 5 pulls the first piston rod through the tension spring 34 to drive the first piston to move upward, and the air in the first piston chamber 35 enters the second piston chamber through the connecting channel 36. The plug cavity 37 pushes the second piston to drive the second piston rod to move toward the side of the latch, and the second piston rod drives the push ball 38 to move. At the same time, the air in the second piston cavity 37 enters the ball 40, and the push ball 38 drives the latch to overcome the force of the second compression spring through the moving cam 39 and is inserted into the jack. At the same time, the ball 40 gradually expands and increases the force of the moving cam 39, so that the latch and the jack are more tightly connected. When the driven gear 11 rotates, the driven gear 11 drives the first bevel gear 31 to rotate, and the first bevel gear 31 rotates through the second bevel gear 30, and the second bevel gear 30 drives the threaded rod 21 where it is located to rotate, and this threaded rod 21 drives another threaded rod 21 to rotate through the synchronous belt structure 29, and the threaded rod 21 drives the movable plate 20 to move upward. The two threaded rods 21 drive the movable plate 20 to move upward, and the movable plate 20 drives the scissor mechanism 18 to extend, and the scissor mechanism 18 drives the support to move toward the pipes 200 on both sides. When the scissor mechanism 18 extends, its lower hinge point follows the movable plate 20 to move upward, driving the mounting rod 17 to move upward, and the mounting rod 17 drives the mounting plate 15 to move upward, so that the support plate 33 moves downward relative to the mounting plate 15, and the support plate 33 pushes the lower side plate 14 to rotate, and the lower side plate 14 clamps the side of the pipe 200. At the same time, the side of the pipe 200 pushes the elastic ring 32, and the elastic ring 32 pushes the lower part of the upper side plate 13, so that the upper part of the upper side plate 13 rotates toward the pipe 200 and clamps the upper part of the pipe 200, thereby automatically supporting and fixing the pipe 200.

[0116] It should be noted that, for the above embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0117] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Claims

1. An Internet of Things gas flow meter, characterized in that: include: Flow meter body; A connecting assembly provided on the flow meter body, used to connect the flange of the flow meter body and the flange of the pipeline; A pressing assembly provided on the flow meter body is used to press the flange of the flow meter body and the flange of the pipeline; A support assembly provided on the flow meter body, used to support the flow meter body and the pipeline; The transmission component connected between the connecting component and the supporting component enables synchronous support during connection.

2. The Internet of Things gas flow meter according to claim 1, characterized in that: The connection component comprises: A plurality of rod sleeves are circumferentially and spacedly rotatably mounted on the flange of the flow meter body, wherein connecting bolts are inserted into the rod sleeves, and the connecting bolts are slidably connected with the rod sleeves along their length direction, and threaded holes matching with the connecting bolts are provided on the flange of the flow meter body and the pipeline; A driving mechanism used to drive all rod sleeves on the flange to rotate synchronously.

3. The Internet of Things gas flow meter as claimed in claim 2, characterized in that: The driving mechanism comprises: The outer gear ring installed on the flow meter body is rotated, and all the rod sleeves are fixed with a driven gear meshing with the outer gear ring; A stepper motor is fixedly mounted on the flow meter body, a driving gear is fixed on the output shaft of the stepper motor, and the driving gear is meshed with a driven gear.

4. The Internet of Things gas flow meter according to claim 1, characterized in that: The clamping assembly comprises: A plurality of connection plates rotatably mounted on the circumferential wall of the flange of the flow meter body in an annular direction and at intervals, wherein the connection plates are located on the side of the rod sleeve; Rotate the pressure plate installed on the connection plate to press the flange of the pipeline; A clamping pin mounted on the connection plate, the clamping pin abuts against a side wall of the pressure plate away from the flow meter body, the connection plate is provided with an arc-shaped slide groove for slidingly mounting the clamping pin, a first compression spring is installed in the arc-shaped slide groove, and the first compression spring exerts a force on the clamping pin so that the clamping pin has a tendency to clamp the pressure plate; One end of the first connecting rod is eccentrically hinged to a side of the connecting plate away from the pin shaft, and the other end of the first connecting rod is hinged to a connecting sleeve, which is rotatably mounted on an adjacent connecting bolt.

5. The Internet of Things gas flow meter as claimed in claim 4, characterized in that: The flange end surface of the flow meter body is provided with a plurality of positioning pins, and the flange end surface of the pipeline is provided with positioning holes matched with the positioning pins.

6. The Internet of Things gas flow meter as claimed in claim 5, characterized in that: A first piston cavity is provided in the flange of the flow meter body near the connection disk, and one end of the first piston cavity away from the connection disk is connected to the outside, a first piston is provided in the first piston cavity, a first piston rod is fixed on the first piston along the radial direction of the flange of the flow meter body, the top end of the first piston rod extends upward to one side of the connection disk, the top end of the first piston rod is hinged to one end of a tension spring, and the other end of the tension spring is eccentrically hinged to the connection disk; A second piston cavity is provided in the plurality of positioning pins, and an end of the second piston cavity away from the pipeline is communicated with the top end of the first piston cavity through a connecting passage, a second piston is provided in the second piston cavity, a second piston rod coaxial with the positioning shaft is fixed on the second piston, the second piston rod extends to the outside of the second piston cavity and is fixed with a push ball, a balloon is sleeved on the outside of the push ball, and the balloon is communicated with an end of the second piston cavity close to the pipeline; The positioning pin is provided with latches on both sides of the push ball, the side wall of the positioning hole is provided with a socket that cooperates with the latch, a moving cam is fixed to the end of the latch close to the push ball, the inclined surface of the moving cam contacts the balloon, and a second compression spring is sleeved on the latch between the moving cam and the side wall of the positioning hole.

7. The Internet of Things gas flow meter as claimed in claim 3, characterized in that: The support assembly comprises: A first supporting structure, used to support the flow meter body; The second supporting structure is used to support the pipeline connected to the flow meter body.

8. The Internet of Things gas flow meter as claimed in claim 7, characterized in that: The first supporting structure comprises: Two threaded rods are vertically installed side by side at intervals at the bottom of the flow meter body, the bottom ends of the two threaded rods are connected to the lower plate, and the two ends of the threaded rods are rotatably connected to the bottom of the flow meter body and the lower plate respectively; A bottom plate is arranged below the lower plate, and a rubber pad is fixed to the lower surface of the bottom plate; Two ratchet bars are symmetrically fixed to the upper surface of the bottom plate, and the ratchet bars penetrate the lower plate and are slidably connected thereto; Two positioning claws are horizontally arranged and symmetrically mounted on the lower plate, respectively cooperating with two ratchet bars; The operating structure installed on the lower plate is used to drive the positioning claw to engage or separate with the ratchet bar.

9. The Internet of Things gas flow meter as claimed in claim 8, characterized in that: The operation structure includes: A turntable rotatably mounted on the lower plate between the two positioning claws, wherein a torsion spring is connected between the turntable and the lower plate; A second connecting rod is connected between the rotating disk and the positioning claw, one end of the second connecting rod is eccentrically hinged to the end surface of the rotating disk, and the other end of the second connecting rod is hinged to the positioning claw. In a natural state, the positioning claw is clamped with the ratchet bar.

10. The Internet of Things gas flow meter according to claim 8, characterized in that: The second supporting structure comprises: A movable plate is arranged above the lower plate, and the movable plate is threadedly connected to two threaded rods; An upper plate is arranged above the movable plate, and the upper plate is rotatably connected to two threaded rods; A scissor mechanism connected between the movable plate and the upper plate, wherein two upper and lower hinge points in the middle of the scissor mechanism are hinged to the upper plate and the movable plate respectively; Supports installed at both ends of the scissor mechanism are used to support the pipes on both sides of the flow meter body; The driving mechanism can drive the two threaded rods to rotate synchronously through the transmission assembly; The support member comprises: A mounting rod, the bottom end of which is hinged to the lower hinge point of the end of the scissor-fork mechanism, and the top end of which passes through a guide sleeve, which is hinged to the upper hinge point of the end of the scissor-fork mechanism; A mounting plate fixed to the top of the mounting rod, a support plate for supporting the bottom of the pipeline is provided above the mounting plate, a vertical guide rod is fixed to the lower surface of the support plate, and the guide rod movably penetrates the mounting plate; A lower side plate installed on the mounting plate and located on both sides of the support plate, wherein the lower part of the lower side plate is rotatably connected to the top end of the support rod fixed on the mounting plate, and a torsion spring is connected between the lower side plate and the support rod. In a natural state, the force of the torsion spring on the lower side plate causes the bottom end of the lower side plate to be located below the support plate; An upper side plate is installed on the top end of the lower side plate, the middle part of the upper side plate is rotatably connected to the top end of the lower side plate, an elastic ring is provided on the lower side plate below the upper side plate, the upper part of the elastic ring is rotatably connected to the lower side plate, the rotation track of the elastic ring passes through the lower part of the upper side plate, and an elastic pull rope is connected between the elastic ring and the lower side plate.

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