Float flowmeter

Abstract

The utility model discloses a float flowmeter. The float flowmeter comprises a mounting seat, a fixing mechanism and a measuring mechanism, a cavity is formed in the mounting base, and guide sliding grooves are formed in the left side and the right side of the bottom wall of the cavity correspondingly; the fixing mechanism comprises transverse rods, vertical plates and limiting plates, the transverse rods are arranged on the lower side of the interior of the cavity, the vertical plates are slidably connected to the middles of the outer arc faces of the transverse rods and slidably connected with the inner walls of the vertically adjacent guide sliding grooves, the limiting plates are arranged on the lower sides of the opposite inner side faces of the two vertical plates, and the limiting plates are located outside the mounting base; the measuring mechanism is arranged in the middle of the upper end of the mounting base, the fixing mechanism further comprises a rotating cylinder, an adjusting plate and an adjusting rod, and the rotating cylinder is rotationally connected to the middle of the top wall of the cavity through a bearing. And the stability of the float flowmeter is also improved while the mounting and the dismounting are relatively convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring equipment, in particular to a float flowmeter. Background Art

[0002] Float flowmeter is an instrument that uses the buoyancy balance principle to measure flow. According to the different manufacturing materials, float flowmeter can be divided into three types: glass tube float flowmeter, plastic tube float flowmeter and metal tube float flowmeter. Float flowmeter is widely used in various fields of national economy such as metallurgy, electricity, coal and people's daily life. It can be used to measure various types of low-viscosity liquids and gases, such as water, air, etc.

[0003] During the operation of the float flowmeter, when the fluid flows from bottom to top through the connecting pipe into the cone tube, the float of the float flowmeter will gradually rise under the action of the differential pressure. When the forces acting on the float (including the force that causes the float to rise, the gravity, buoyancy and viscosity of the float) reach a balance, the float will be in a stable position. At this time, there is a certain proportional relationship between the flow rate of the fluid flowing through the float flowmeter and the height of the float rise (i.e. the flow area of ​​the flowmeter). Finally, the height of the float position can indicate the size of the flow rate.

[0004] When using the existing float flowmeter, it is usually connected to the corresponding pipe interface by fastening bolts. Although this method can connect the float flowmeter to the pipe, the operation is more troublesome. At the same time, the fastening screws will corrode and fall off after long-term use. Some float flowmeters use springs to drive the limit rod to move, and finally make the limit plate contact the outer surface of the pipe interface, thereby realizing the installation and fixation of the float flowmeter. Although this method is convenient for assembly and disassembly, after long-term use, the elastic performance of the spring will decrease, and finally reduce the stability of the float flowmeter. For this reason, we propose a float flowmeter. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a float flowmeter. Through the coordinated arrangement of the adjusting plate and the adjusting rod, the position of the limit plate can be adjusted so that it finally contacts the outer surface of the pipeline interface, thereby realizing the installation and fixation of the float flowmeter, replacing the traditional method of installing the float flowmeter by bolt connection. While being convenient to install and disassemble, it also improves the stability of the float flowmeter and the working efficiency, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a float flowmeter, comprising a mounting seat, a fixing mechanism and a measuring mechanism;

[0007] Mounting seat: a cavity is arranged inside the mounting seat, and guide grooves are arranged on the left and right sides of the bottom wall of the cavity;

[0008] Fixing mechanism: It includes a cross bar, a vertical plate and a limit plate. The cross bars are respectively arranged on the lower side of the cavity. The middle part of the outer arc surface of the cross bar is slidably connected with a vertical plate. The vertical plates are respectively slidably connected with the inner walls of the vertically adjacent guide slots. The lower sides of the two vertical plates relative to the inner side surfaces are provided with limit plates. The limit plates are located outside the mounting seat.

[0009] Measuring mechanism: It is arranged in the middle of the upper end of the mounting seat. Through the cooperation of the adjusting plate and the adjusting rod, the position of the limit plate can be adjusted so that it finally contacts the outer surface of the pipe interface, thereby realizing the installation and fixation of the float flowmeter, replacing the traditional method of installing the float flowmeter through bolt connection. It is convenient to install and disassemble, and also improves the stability of the float flowmeter and the work efficiency.

[0010] Furthermore, the fixing mechanism also includes a rotating cylinder, an adjustment plate and an adjustment rod. The rotating cylinder is rotatably connected to the middle part of the top wall of the cavity through a bearing. An adjustment plate is provided on the lower side of the outer arc surface of the rotating cylinder. Adjustment grooves are respectively provided on the left and right sides of the lower end of the adjustment plate. The adjustment rods are all provided at the upper end of the vertical plate. The adjustment rods are respectively located inside the vertically adjacent adjustment grooves, so as to adjust the position of the limit plate.

[0011] Furthermore, the measuring mechanism includes a conical tube, a guide and a float. The conical tube is arranged in the middle of the upper end of the mounting seat, the guide is arranged in the middle of the top wall of the conical tube, and the float is slidably connected to the lower side of the outer arc surface of the guide, which can indicate the flow rate according to the position height of the float.

[0012] Furthermore, the measuring mechanism also includes a baffle, which is arranged at the lower end of the guide, and the baffle can prevent the float from separating from the guide.

[0013] Furthermore, the measuring mechanism also includes a stopper, which is arranged on the upper side of the inside of the cone tube, and the guide is located inside the stopper. The stopper can prevent the float from rising excessively and causing damage to the float flowmeter.

[0014] Furthermore, it also includes a mounting rod, a worm, a worm wheel and an adjusting knob. The mounting rod is rotatably connected to the rear side of the right wall of the cavity through a bearing, the worm is arranged on the left side of the outer arc surface of the mounting rod, and the worm wheel is arranged on the upper side of the outer arc surface of the rotating cylinder. The worm and the worm wheel are meshingly connected, and the adjusting knob is arranged at the right end of the mounting rod, which can drive the rotating cylinder to rotate through the worm wheel.

[0015] Furthermore, it also includes a connecting pipe and a rubber ring. The connecting pipe is arranged in a mounting groove opened in the middle of the lower end of the mounting seat. The lower end of the tapered tube is connected to the upper end of the connecting pipe. The rubber ring is arranged on the lower side of the outer arc surface of the connecting pipe. The rubber ring can prevent the fluid from flowing out through the gap between the connecting pipe and the pipeline interface, thereby further improving the sealing performance of the float flowmeter.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] The operator rotates the adjusting knob, and the adjusting knob drives the worm to rotate through the mounting rod, and the worm drives the worm wheel to rotate through the meshing connection. During the rotation of the worm wheel, the adjusting plate is driven to rotate by the rotating cylinder. At this time, the adjusting rod slides in the adjusting groove and rotates relative to the adjusting groove, so that the adjusting plate drives the vertical plate to move toward the end close to the inner center of the mounting seat through the adjusting rod, and the vertical plate drives the limit plate to move toward the end close to the inner center of the mounting seat, and the limit plate finally contacts the outer surface of the pipeline interface, thereby realizing the installation and fixation of the float flowmeter. Through the coordinated setting of the adjusting plate and the adjusting rod, the position of the limit plate can be adjusted so that it finally contacts the outer surface of the pipeline interface, thereby realizing the installation and fixation of the float flowmeter, replacing the traditional method of installing the float flowmeter through the bolt connection. It is convenient to install and disassemble, and also improves the stability of the float flowmeter and the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the measuring mechanism of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the upper side sectional plan structure of the utility model.

[0022] In the figure: 1 mounting seat, 2 connecting pipe, 3 fixing mechanism, 31 cross bar, 32 vertical plate, 33 limit plate, 34 rotating cylinder, 35 adjusting plate, 36 adjusting rod, 4 rubber ring, 5 measuring mechanism, 51 cone tube, 52 guide, 53 float, 54 baffle, 55 stopper, 6 mounting rod, 7 worm, 8 worm wheel, 9 adjusting knob, 10 cavity. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , This embodiment provides a technical solution: a float flowmeter, including a mounting seat 1, a fixing mechanism 3 and a measuring mechanism 5;

[0025] Mounting seat 1: a cavity 10 is provided inside the mounting seat, and guide grooves are provided on the left and right sides of the bottom wall of the cavity 10. When working, the float flowmeter is inserted into the corresponding pipe interface, and then it is limited and fixed by a fixing device. During the working process of the float flowmeter, the flow rate of the fluid can be measured by the measuring device;

[0026] The fixing mechanism 3 includes a cross bar 31, a vertical plate 32 and a limit plate 33. The cross bars 31 are respectively arranged on the lower side of the cavity 10. The middle part of the outer arc surface of the cross bar 31 is slidably connected with the vertical plate 32. The vertical plates 32 are respectively slidably connected with the inner walls of the vertically adjacent guide slide grooves. The lower sides of the two vertical plates 32 relative to the inner side surfaces are provided with limit plates 33. The limit plates 33 are all located outside the mounting seat 1. The fixing mechanism 3 also includes a rotating cylinder 34, an adjustment plate 35 and an adjustment rod 36. The rotating cylinder 34 is rotatably connected to the middle part of the top wall of the cavity 10 through a bearing. The lower side of the outer arc surface of the rotating cylinder 34 is provided with an adjustment plate 35. The left and right sides of the lower end of the adjustment plate 35 are respectively provided with adjustment grooves. The adjustment rods 36 are all arranged at the upper ends of the vertical plates 32. The adjustment rods 36 are respectively located inside the vertically adjacent adjustment grooves. The operator rotates the adjustment device to adjust During the rotation of the equipment, the adjusting plate 35 is driven to rotate by the rotating cylinder 34. At this time, the adjusting rod 36 slides inside the adjusting groove and rotates relative to the adjusting groove, so that the adjusting plate 35 drives the vertical plate 32 to move toward the end close to the inner center of the mounting seat 1 through the adjusting rod 36, and the vertical plate 32 drives the limiting plate 33 to move toward the end close to the inner center of the mounting seat 1. The limiting plate 33 finally contacts the outer surface of the pipeline interface, thereby realizing the installation and fixation of the float flowmeter. Through the coordinated setting of the adjusting plate 35 and the adjusting rod 36, the position of the limiting plate 33 can be adjusted so that it finally contacts the outer surface of the pipeline interface, thereby realizing the installation and fixation of the float flowmeter, replacing the traditional method of installing the float flowmeter through bolt connection, which is more convenient for installation and disassembly, and improves work efficiency.

[0027] Measuring mechanism 5: It is arranged in the middle of the upper end of the mounting seat 1. The measuring mechanism 5 includes a cone tube 51, a guide 52 and a float 53. The cone tube 51 is arranged in the middle of the upper end of the mounting seat 1. The middle of the top wall of the cone tube 51 is provided with a guide 52. The lower side of the outer arc surface of the guide 52 is slidably connected with the float 53. The measuring mechanism 5 also includes a baffle 54, which is arranged at the lower end of the guide 52. The measuring mechanism 5 also includes a stopper 55, which is arranged on the upper side of the cone tube 51. The guide 52 is located inside the stopper 55. In the process of the float flowmeter working, when the fluid flows into the cone tube 51 from bottom to top through the connecting pipe 2, the float 53 will gradually rise under the action of the differential pressure. When the force acting on the float 53 (including the force causing the float to rise, the gravity, buoyancy and viscosity acting on the float) reaches a balance, the float 53 will be in a stable position. At this time, there is a certain proportional relationship between the flow rate of the fluid flowing through the float flowmeter and the height of the float 53 (i.e., the flow area of ​​the flowmeter). Finally, the position height of the float 53 indicates the size of the flow rate.

[0028] Wherein: it also includes a mounting rod 6, a worm 7, a worm wheel 8 and an adjusting knob 9. The mounting rod 6 is rotatably connected to the rear side of the right wall of the cavity 10 through a bearing. The worm 7 is arranged on the left side of the outer arc surface of the mounting rod 6, and the worm wheel 8 is arranged on the upper side of the outer arc surface of the rotating cylinder 34. The worm 7 is meshingly connected with the worm wheel 8, and the adjusting knob 9 is arranged on the right end of the mounting rod 6. The operator rotates the adjusting knob 9, and the adjusting knob 9 drives the worm 7 to rotate through the mounting rod 6. The worm 7 drives the worm wheel 8 to rotate through the meshing connection. During the rotation process, the worm wheel 8 drives the adjusting plate 35 to rotate through the rotating cylinder 34. At this time, the adjusting rod 36 slides inside the adjusting groove and rotates relative to the adjusting groove, so that the adjusting plate 35 drives the vertical plate 32 to move toward the end close to the inner center of the mounting seat 1 through the adjusting rod 36, and the vertical plate 32 drives the limit plate 33 to move toward the end close to the inner center of the mounting seat 1.

[0029] Wherein: it also includes a connecting pipe 2 and a rubber ring 4, the connecting pipe 2 is arranged in the installation groove opened in the middle of the lower end of the mounting seat 1, the lower end of the tapered tube 51 is connected with the upper end of the connecting pipe 2, and the rubber ring 4 is arranged on the lower side of the outer arc surface of the connecting pipe 2. When working, the connecting pipe 2 is inserted into the inside of the corresponding pipeline interface so that the tapered tube 51 and the pipeline interface are kept vertical, and the connecting pipe 2 contacts the inner wall of the pipeline interface through the rubber ring 4. The rubber ring 4 can prevent the fluid from flowing out through the gap between the connecting pipe 2 and the pipeline interface, thereby further improving the sealing performance of the float flowmeter.

[0030] The working principle of a float flowmeter provided by the utility model is as follows: when working, the connecting pipe 2 is inserted into the inside of the corresponding pipeline interface, so that the cone tube 51 and the pipeline interface are kept vertical, the connecting pipe 2 contacts the inner wall of the pipeline interface through the rubber ring 4, and then the operator rotates the adjusting knob 9, the adjusting knob 9 drives the worm 7 to rotate through the mounting rod 6, the worm 7 drives the worm wheel 8 to rotate through the meshing connection, and the worm wheel 8 drives the adjusting plate 35 to rotate through the rotating cylinder 34 during the rotation process. At this time, the adjusting rod 36 slides inside the adjusting groove and rotates relative to the adjusting groove, so that the adjusting plate 35 drives the vertical plate 32 to move toward the end close to the inner center of the mounting seat 1 through the adjusting rod 36, and the vertical plate 32 drives The limit plate 33 moves toward the end close to the inner center of the mounting seat 1, and the limit plate 33 finally contacts the outer surface of the pipe interface, thereby realizing the installation and fixation of the float flowmeter. During the operation of the float flowmeter, when the fluid flows into the tapered tube 51 from bottom to top through the connecting pipe 2, the float 53 will gradually rise under the action of the differential pressure. When the force exerted on the float 53 (including the force that causes the float to rise, the gravity, buoyancy and viscosity exerted on the float) reaches a balance, the float 53 will be in a stable position. At this time, there is a certain proportional relationship between the flow rate of the fluid flowing through the float flowmeter and the height of the rise of the float 53 (that is, the flow area of ​​the flowmeter). Finally, the position height of the float 53 indicates the size of the flow rate.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A float flowmeter, characterized in that: It comprises a mounting seat (1), a fixing mechanism (3) and a measuring mechanism (5); The mounting seat (1) has a cavity (10) disposed therein, and guide grooves are disposed on the left and right sides of the bottom wall of the cavity (10); The fixing mechanism (3) comprises a cross bar (31), a vertical plate (32) and a limit plate (33), wherein the cross bars (31) are respectively arranged at the lower side of the cavity (10), the middle part of the outer arc surface of the cross bar (31) is slidably connected to the vertical plate (32), the vertical plate (32) is respectively slidably connected to the inner wall of the vertically adjacent guide slot, and the lower side of the two vertical plates (32) relative to the inner side surface is provided with a limit plate (33), and the limit plates (33) are both located outside the mounting seat (1); Measuring mechanism (5): It is arranged in the middle of the upper end of the mounting seat (1).

2. A float flowmeter according to claim 1, characterized in that: The fixing mechanism (3) further comprises a rotating cylinder (34), an adjusting plate (35) and an adjusting rod (36); the rotating cylinder (34) is rotatably connected to the middle portion of the top wall of the cavity (10) via a bearing; an adjusting plate (35) is provided on the lower side of the outer arc surface of the rotating cylinder (34); adjusting grooves are provided on the left and right sides of the lower end of the adjusting plate (35); the adjusting rods (36) are provided on the upper end of the vertical plate (32); and the adjusting rods (36) are respectively located inside the vertically adjacent adjusting grooves.

3. A float flowmeter according to claim 1, characterized in that: The measuring mechanism (5) comprises a conical tube (51), a guide (52) and a float (53); the conical tube (51) is arranged at the middle of the upper end of the mounting seat (1); the guide (52) is arranged at the middle of the top wall of the conical tube (51); and the float (53) is slidably connected to the lower side of the outer arc surface of the guide (52).

4. A float flowmeter according to claim 3, characterized in that: The measuring mechanism (5) further comprises a baffle (54), wherein the baffle (54) is arranged at the lower end of the guide (52).

5. A float flowmeter according to claim 3, characterized in that: The measuring mechanism (5) further comprises a stopper (55), wherein the stopper (55) is arranged on the upper side of the interior of the cone tube (51), and the guide (52) is located inside the stopper (55).

6. A float flowmeter according to claim 2, characterized in that: The invention also comprises a mounting rod (6), a worm (7), a worm wheel (8) and an adjusting knob (9), wherein the mounting rod (6) is rotatably connected to the rear side of the right wall of the cavity (10) via a bearing, the worm (7) is arranged on the left side of the outer arc surface of the mounting rod (6), the worm wheel (8) is arranged on the upper side of the outer arc surface of the rotating cylinder (34), the worm (7) is meshingly connected with the worm wheel (8), and the adjusting knob (9) is arranged on the right end of the mounting rod (6).

7. A float flowmeter according to claim 3, characterized in that: It also comprises a connecting tube (2) and a rubber ring (4), wherein the connecting tube (2) is arranged in a mounting groove opened in the middle of the lower end of the mounting seat (1), the lower end of the conical tube (51) is connected to the upper end of the connecting tube (2), and the rubber ring (4) is arranged on the lower side of the outer arc surface of the connecting tube (2).

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