Balanced flowmeter with variable hole

Abstract

The balance flowmeter comprises a body mechanism and a reducing mechanism which is arranged on the inner side of the body mechanism and used for adjusting the inner diameter of the hole, the reducing mechanism comprises second connecting pipes which are symmetrically arranged on the inner side of an inner piece, outer rings are fixedly connected to the outer sides of the two ends of each second connecting pipe, and the outer rings are fixedly connected to the outer sides of the two ends of each second connecting pipe. According to the specific requirements of the interior and the flow of a pipe body needing to be detected, the shifting button is directly pinched and held and then the inner rings are shifted to rotate on the inner side of the outer ring, and then the inner rings drive the rotating arms to rotate, so that the variable-diameter sheets are driven to be opened or closed on the outer side of the stand column, and the diameter of a formed hole is adjusted to the specific required degree; and finally, the body mechanism is matched with the connecting hole in the flange to be connected with the pipe body, required data are measured, the diameter of the hole through which fluid flows in the device can be effectively adjusted, so that the device is adaptive to the flow in the pipe bodies with different specifications, the production capacity of the body mechanisms with different specifications is reduced, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of balance flowmeter, concretely relates to a balance flowmeter with variable orifice. BACKGROUND

[0002] Balance flowmeter is a kind of flow measuring instrument based on differential pressure principle, mainly used to measure the flow of single-phase fluid in closed pipeline, and the characteristics of this flowmeter include high measurement accuracy, low flow noise, low permanent pressure loss, fast pressure recovery and short straight pipe section requirement.

[0003] The hole symmetrical arranged inside the existing part balance flowmeter, size is generally fixed, this leads to the pipe body of different flow to use corresponding specification balance flowmeter, this operation needs to consume higher production cost, it is extremely inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model wants to overcome the technical problem of the existing defects, provides a kind of balance flowmeter with variable orifice to solve the problem that the hole symmetrical arranged inside the existing part balance flowmeter in the background art described above, size is generally fixed, this leads to the pipe body of different flow to use corresponding specification balance flowmeter, this operation needs to consume higher production cost, it is extremely inconvenient.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of balance flowmeter with variable orifice, including body mechanism and the variable diameter mechanism for adjusting the inner diameter of hole being arranged in the inner side of body mechanism, the variable diameter mechanism includes the first connecting pipe being arranged in the inner side of inner sheet symmetrically, the outer side of the first connecting pipe both ends is fixedly connected with outer ring, the inner side of the top of outer ring is rotatably connected with inner ring, the top of inner ring is rotatably connected with rotary arm, the rotary arm is symmetrically provided with several, the inner side of rotary arm is rotatably connected with variable diameter sheet, the inner side of variable diameter sheet is rotatably connected with stand column, the bottom of stand column is fixedly connected with bottom ring, the bottom of bottom ring is fixedly connected with outer ring, the outer side of the top of outer ring is screw-connected, by rotating inner ring to drive rotary arm to push variable diameter sheet to open or close, to adjust the diameter of hole in body mechanism, adapt to the demand of more pipe body.

[0006] Preferably, the body mechanism includes an outer tube, the outer tube is symmetrically provided with a flange on the outer side, a first connecting tube is fixedly connected to one side of the inner part of the outer tube, an adapter sheet is fixedly connected to the top of the first connecting tube, a detection end is fixedly connected to the top of the adapter sheet, and an inner sheet is fixedly connected to the bottom end of the first connecting tube.

[0007] Preferably, the variable diameter mechanism is made of stainless steel, and the variable diameter mechanism is fixedly connected with an inner sheet on the outer side.

[0008] Preferably, a knob is fixedly connected to one side of the inner ring, an outer ring is rotatably connected to the outside of the knob, and a second connecting tube is fixedly connected between adjacent outer rings.

[0009] Preferably, a first sealing strip is fixedly connected to one side of the bottom, and the first sealing strip is located on one side of the inner sheet.

[0010] Preferably, the outer edge is symmetrically provided with a plurality of grooves.

[0011] Preferably, a second sealing strip is fixedly connected to the other side of the bottom. The second sealing strip is made of flexible material, and an outer ring is movably connected to the outside of the second sealing strip.

[0012] Preferably, the variable diameter plate has an arc-shaped structure, and a rotating arm is rotatably connected to the top of the variable diameter plate.

[0013] Compared with the prior art, this utility model provides a balanced flow meter with a variable orifice, which has the following beneficial effects:

[0014] 1. This utility model incorporates a variable diameter plate with an arc-shaped structure. A rotating arm is rotatably connected to the top of the variable diameter plate, an inner ring is rotatably connected to the inner side of the rotating arm, and a column is rotatably connected to the inner side of the variable diameter plate. A bottom ring is fixedly connected to the bottom of the column, and an outer ring is fixedly connected to the bottom of the bottom ring. Based on the required flow rate within the pipe to be measured, the user directly squeezes the knob and rotates each inner ring on the inner side of the outer ring. The inner ring then drives the rotating arm to rotate, thereby causing the variable diameter plate to open or close on the outside of the column. This adjusts the diameter of the formed orifice to the required level. Finally, the main body mechanism is connected to the pipe through the connecting hole in the flange, and the required data is measured. This effectively adjusts the diameter of the orifice through which the fluid flows within the device, allowing the device to adapt to the flow rate of different pipe specifications, reducing the production volume of different specifications of the main body mechanism, and thus reducing production costs.

[0015] 2. This utility model features a dial with an inner ring fixedly connected to one side and an outer ring rotatably connected to the outer side, which allows for easy and convenient manual rotation of the inner ring by personnel.

[0016] 3. By setting a first sealing strip, which is fixedly connected to the top of the first sealing strip and located on one side of the inner sheet, this utility model can effectively reduce the amount of fluid seeping into the hole from the side.

[0017] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the isometric structure of a balanced flow meter with a variable orifice proposed in this utility model.

[0020] Figure 2 This is an isometric structural diagram of the variable diameter mechanism of a balanced flow meter with a variable orifice proposed in this utility model.

[0021] Figure 3 This is an exploded structural diagram of the variable diameter mechanism of a balanced flow meter with a variable orifice proposed in this utility model.

[0022] Figure 4 This is an exploded structural diagram of the variable diameter plate of a balanced flow meter with variable orifice proposed in this utility model.

[0023] In the figure: main body mechanism 1, outer pipe 101, flange 102, first connecting pipe 103, adapter plate 104, detection end 105, inner plate 106, diameter changing mechanism 2, second connecting pipe 201, outer ring 202, inner ring 203, rotating arm 204, diameter changing plate 205, column 206, bottom ring 207, knob 3, first sealing strip 4, second sealing strip 5. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-4This utility model provides a technical solution: a balanced flow meter with a variable orifice, including a main body mechanism 1 and a diameter-changing mechanism 2 disposed inside the main body mechanism 1 for adjusting the inner diameter of the orifice. The diameter-changing mechanism 2 includes a second connecting pipe 201 symmetrically disposed inside the inner plate 106. An outer ring 202 is fixedly connected to the outer sides of both ends of the second connecting pipe 201. An inner ring 203 is rotatably connected to the inner side of the top of the outer ring 202. A rotating arm 204 is rotatably connected to the top of the inner ring 203. Several rotating arms 204 are symmetrically disposed. A diameter-changing plate 205 is rotatably connected to the inner side of the rotating arm 204. A column 206 is rotatably connected to the inner side of the diameter-changing plate 205. The bottom of the column 206 is fixed. A bottom ring 207 is connected, and an outer ring 202 is fixedly connected to the bottom of the bottom ring 207. The outer side of the top of the outer ring 202 is threaded with a 208. By rotating the inner ring 203, the rotating arm 204 is driven to push the variable diameter plate 205 to open or close, thereby adjusting the diameter of the inner hole of the main body mechanism 1 to adapt to the needs of more pipe bodies. According to the specific flow requirements of the pipe body to be tested, the knob 3 is directly squeezed and the inner rings 203 are rotated on the inner side of the outer ring 202. The inner rings 203 then drive the rotating arm 204 to rotate, thereby driving the variable diameter plate 205 to open or close on the outer side of the column 206, thereby adjusting the diameter of the formed hole to the specific required degree.

[0026] In this invention, preferably, the main body mechanism 1 includes an outer tube 101, flanges 102 symmetrically arranged on the outer side of the outer tube 101, a first connecting tube 103 fixedly connected to one side of the inner side of the outer tube 101, an adapter plate 104 fixedly connected to the top of the first connecting tube 103, a detection end 105 fixedly connected to the top of the adapter plate 104, and an inner plate 106 fixedly connected to the bottom of the first connecting tube 103. The main body mechanism 1 is connected to the tube body by fitting the connecting hole in the flange 102, and the required data is measured.

[0027] In this utility model, preferably, the diameter changing mechanism 2 is made of stainless steel, and the outer side of the diameter changing mechanism 2 is fixedly connected with an inner plate 106, which has excellent hardness and corrosion resistance, while reducing the risk of fluid contamination caused by oxidation and rust.

[0028] In this utility model, preferably, a knob 3 is fixedly connected to one side of the inner ring 203, and an outer ring 202 is rotatably connected to the outside of the knob 3. A second connecting pipe 201 is fixedly connected between adjacent outer rings 202, which can effectively and conveniently allow personnel to directly rotate the inner ring 203.

[0029] In this utility model, preferably, a first sealing strip 4 is fixedly connected to one side of the bottom of 208. The first sealing strip 4 is located on one side of the inner sheet 106, which can effectively reduce the amount of fluid seeping into the hole from the outside.

[0030] In this utility model, preferably, several grooves are symmetrically arranged on the outer edge of 208, which can effectively facilitate personnel to hold, rotate and remove 208 to clean the diameter changing mechanism 2.

[0031] In this utility model, preferably, a second sealing strip 5 is fixedly connected to the other side of the bottom of 208. The second sealing strip 5 is made of flexible material, and an outer ring 202 is movably connected to the outside of the second sealing strip 5, which can further reduce the amount of fluid seeping in from multiple directions.

[0032] In this utility model, preferably, the variable diameter plate 205 has an arc-shaped structure, and the top of the variable diameter plate 205 is rotatably connected to a rotating arm 204, which can effectively adapt to the structure of the hole.

[0033] The working principle and usage process of this utility model are as follows: In use, according to the specific flow rate required in the pipe body to be detected, directly pinch the dial 3 and rotate each inner ring 203 on the inner side of the outer ring 202. The inner ring 203 then drives the rotating arm 204 to rotate, thereby driving the variable diameter plate 205 to open or close on the outside of the column 206, thereby adjusting the diameter of the formed hole to the specific required degree. Finally, the main body mechanism 1 is connected to the pipe body through the connecting hole in the flange 102 and the required data is measured. It can effectively adjust the diameter of the hole through which the fluid flows in the device, so that the device can adapt to the flow rate in pipe bodies of different specifications, reduce the production volume of main body mechanisms 1 of different specifications, and thus reduce production costs.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A balanced flow meter with a variable orifice, characterized in that: The system includes a main body mechanism (1) and a diameter-adjusting mechanism (2) located inside the main body mechanism (1) for adjusting the inner diameter of the hole. The diameter-adjusting mechanism (2) includes a second connecting tube (201) symmetrically arranged inside the inner plate (106). An outer ring (202) is fixedly connected to the outer sides of both ends of the second connecting tube (201). An inner ring (203) is rotatably connected to the inner side of the top of the outer ring (202). A rotating arm (204) is rotatably connected to the top of the inner ring (203). Several rotating arms (204) are symmetrically arranged. 04) A variable diameter plate (205) is rotatably connected to the inner side. A column (206) is rotatably connected to the inner side of the variable diameter plate (205). A bottom ring (207) is fixedly connected to the bottom of the column (206). An outer ring (202) is fixedly connected to the bottom of the bottom ring (207). A threaded connection (208) is made on the outer side of the top of the outer ring (202). By rotating the inner ring (203), the rotating arm (204) is driven to push the variable diameter plate (205) to open or close, thereby adjusting the diameter of the inner hole of the main body mechanism (1) to meet the needs of more pipe bodies.

2. A balanced flow meter with a variable orifice according to claim 1, characterized in that: The main body mechanism (1) includes an outer tube (101), with flanges (102) symmetrically arranged on the outer side of the outer tube (101), a first connecting tube (103) fixedly connected to one side inside the outer tube (101), an adapter plate (104) fixedly connected to the top of the first connecting tube (103), a detection end (105) fixedly connected to the top of the adapter plate (104), and an inner plate (106) fixedly connected to the bottom of the first connecting tube (103).

3. A balanced flow meter with a variable orifice according to claim 1, characterized in that: The diameter changing mechanism (2) is made of stainless steel, and an inner plate (106) is fixedly connected to the outside of the diameter changing mechanism (2).

4. A balanced flow meter with a variable orifice according to claim 1, characterized in that: A knob (3) is fixedly connected to one side of the inner ring (203), and an outer ring (202) is rotatably connected to the outside of the knob (3). A second connecting tube (201) is fixedly connected between adjacent outer rings (202).

5. A balanced flow meter with a variable orifice according to claim 1, characterized in that: A first sealing strip (4) is fixedly connected to one side of the bottom of the (208), and the first sealing strip (4) is located on one side of the inner sheet (106).

6. A balanced flow meter with a variable orifice according to claim 1, characterized in that: The outer edge of the (208) is symmetrically provided with several grooves.

7. A balanced flow meter with a variable orifice according to claim 1, characterized in that: A second sealing strip (5) is fixedly connected to the other side of the bottom of the (208). The second sealing strip (5) is made of flexible material, and an outer ring (202) is movably connected to the outside of the second sealing strip (5).

8. A balanced flow meter with a variable orifice according to claim 1, characterized in that: The variable diameter plate (205) has an arc-shaped structure, and a rotating arm (204) is rotatably connected to the top of the variable diameter plate (205).

Images