Flow detection device of metal tube float flowmeter

Abstract

The utility model discloses a flow detection device of a metal tube float flowmeter, which relates to the technical field of metal tube float flowmeters and comprises a metal tube float flowmeter body, the left end of the metal tube float flowmeter body is provided with a filtering mechanism used for filtering fluid entering the flowmeter, and the right end of the metal tube float flowmeter body is provided with a flow sensor. The filtering mechanism comprises a filter element unit arranged at the left end of the metal tube float flowmeter body; the replacement unit is arranged in the filter element unit and used for replacing a filter material, and through the arrangement of the filter element unit, fluid enters the transverse pipe through a second valve and is blocked by a flow baffle to enter a left side space, divided by a partition plate, of the filter inner cylinder; the fluid enters the right space of the filtering inner cylinder through the bottom of the filtering outer cylinder and the first porous plate, and the fluid is filtered through the filtering cotton in the right space of the filtering inner cylinder, so that impurities and particles in the fluid are removed and prevented from damaging the flowmeter and affecting the measurement accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of metal tube float flowmeters, in particular to a flow detection device of a metal tube float flowmeter. Background Art

[0002] Metal tube float flow meters utilize the variable area measurement principle and are suitable for measuring liquids and gases. These all-metal meters are available in indicator, remote transmission, corrosion-resistant, high-pressure, jacketed, and explosion-proof models. They feature 0.10mA and 420mA standard analog signal outputs, on-site indication, accumulation, digital communication, on-site parameter modification, and various power supply options. They are also available with magnetic filters and in specialized specifications. They are widely used in flow measurement applications in complex and harsh environments, including the petroleum, chemical, power generation, pharmaceutical, food, and water treatment industries, as well as in various media.

[0003] After checking the publication number: CN221425741U, a flow detection device of a metal tube float flowmeter is disclosed, including an inlet valve assembly and auxiliary components, the output end of the inlet valve assembly is provided with a socket-mounted detection mechanism, and a group of output ends of the detection mechanism are provided with a socket-mounted auxiliary component, the auxiliary component includes an auxiliary valve cabin, an end pipe, a connecting pipe, an output pipe and a filter screen; the utility model mainly utilizes the connection of the flushing pipe and the connecting pipe to enable the flow rate of the material to be bent to avoid direct impact, and the lifting spring rod, ring plate, and force plate are arranged on the top side of the speed measuring cabin, so that the ring plate and the force plate can cooperate with each other to enable the force plate to effectively avoid direct action on the flap, so that the output shaft rod and the flap can effectively achieve the operation effect after being subjected to force, so as to improve the long-term continuous transportation effect of the equipment and improve the service life of the equipment.

[0004] Based on the above-mentioned existing technology, the flow detection device of the existing metal tube float flowmeter still has the following problems. When the flow detection device of the existing metal tube float flowmeter is in use, the fluid enters the flowmeter, and the impurities and particles inside the fluid will enter the flowmeter and cause damage to the flowmeter and affect the measurement accuracy. Therefore, the present utility model provides a flow detection device for a metal tube float flowmeter. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a flow detection device for a metal tube float flowmeter, which solves the following problems existing in the flow detection device of the existing metal tube float flowmeter. When the flow detection device of the existing metal tube float flowmeter is in use, the fluid enters the interior of the flowmeter, and the impurities and particles in the fluid enter the interior of the flowmeter, causing damage to the flowmeter and affecting the measurement accuracy.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A flow detection device for a metal tube float flowmeter, comprising a metal tube float flowmeter body, wherein a filter mechanism is provided at the left end of the metal tube float flowmeter body for filtering the fluid entering the flowmeter, the filter mechanism comprising:

[0007] The filter element unit is arranged at the left end of the metal tube float flowmeter body, and includes a filter outer cylinder, a filter inner cylinder is fixedly installed inside the filter outer cylinder, a partition is fixedly installed inside the filter inner cylinder, and a first porous plate is fixedly installed on the right side of the partition, and filter cotton is filled and installed above the first porous plate;

[0008] The replacement unit is arranged inside the filter element unit and is used to replace the filter material.

[0009] Preferably, the filter element unit also includes a horizontal tube, a baffle is fixedly installed inside the horizontal tube, a vertical tube is fixedly installed below the horizontal tube, and a threaded sleeve is rotatably installed on the outside of the vertical tube, and the vertical tube is inserted into the interior of the filter outer cylinder through the threaded rotation of the threaded sleeve, and a sealing gasket is installed between the vertical tube, the baffle, the filter inner cylinder and the partition.

[0010] Preferably, a chute is provided on the inner wall of the filter outer cylinder near the top, a slider is fixedly mounted on the outside of the vertical pipe, and the slider is adapted to be inserted into the inside of the chute.

[0011] Preferably, a sewage pipe is fixedly installed on the bottom end of the filter outer cylinder, and a threaded cover is threadedly installed on the bottom end of the sewage pipe.

[0012] Preferably, the replacement unit comprises a positioning block fixedly mounted on the right side of the partition, a pull rod is slidably mounted inside the positioning block, and a second porous plate is fixedly mounted on the bottom end of the pull rod.

[0013] Preferably, the right end of the transverse tube is fixedly connected to the metal tube float flowmeter body through a first valve, and the left end of the transverse tube is fixedly installed with a second valve.

[0014] The utility model provides a flow detection device for a metal tube float flowmeter. Compared with the prior art, it has the following advantages:

[0015] (1) The flow detection device of the metal tube float flowmeter is provided with a filter element unit. The fluid enters the interior of the horizontal tube through the second valve, and is blocked by the baffle plate to enter the left space of the filter inner cylinder divided by the partition plate, and then enters the right space of the filter inner cylinder through the bottom of the filter outer cylinder and the first porous plate. The fluid is filtered by the filter cotton inside the right space of the filter inner cylinder, thereby removing impurities and particles in the fluid to prevent them from damaging the flowmeter and affecting the measurement accuracy.

[0016] (2) When the flow detection device of the metal tube float flowmeter is used to replace the filter cotton inside the right side of the filter inner cylinder, the user rotates the threaded sleeve to separate the vertical pipe from the filter outer cylinder and the filter inner cylinder. The user pulls the pull rod upward, and the pull rod drives the second porous plate to move upward synchronously. At this time, the second porous plate drives the filter cotton above the second porous plate to move upward, thereby making it easier to replace the filter cotton. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a right-side perspective structural diagram of the present utility model;

[0018] Figure 2 This is a cross-sectional three-dimensional structural diagram of the filtering mechanism of the present invention;

[0019] Figure 3 This is a cross-sectional, exploded, three-dimensional structural diagram of the filter mechanism of the present invention;

[0020] Figure 4 It is a partial three-dimensional structural diagram of the utility model.

[0021] In the figure: 1-metal tube float flowmeter body, 2-filter mechanism, 21-filter element unit, 211-horizontal pipe, 212-baffle, 213-vertical pipe, 214-threaded sleeve, 215-filter outer cylinder, 216-filter inner cylinder, 217-first porous plate, 218-drain pipe, 219-threaded cover, 2110-sealing gasket, 2111-slider, 2112-chute, 2113-partition, 22-replacement unit, 221-positioning block, 222-pull rod, 223-second porous plate, 3-first valve, 4-second valve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0024] A flow detection device for a metal tube float flowmeter includes a metal tube float flowmeter body 1. A filter mechanism 2 is provided at the left end of the metal tube float flowmeter body 1 for filtering the fluid entering the flowmeter. The filter mechanism 2 includes:

[0025] The filter element unit 21 is provided at the left end of the metal tube float flowmeter body 1 and includes an outer filter cylinder 215, an inner filter cylinder 216 fixedly mounted inside the outer filter cylinder 215, a partition 2113 fixedly mounted inside the inner filter cylinder 216, and a first porous plate 217 fixedly mounted to the right side of the partition 2113. Filter cotton is filled and mounted above the first porous plate 217;

[0026] The replacement unit 22 is disposed inside the filter element unit 21 and is used to replace the filter material.

[0027] In this embodiment, the filter element unit 21 also includes a horizontal tube 211, a baffle 212 is fixedly installed inside the horizontal tube 211, a vertical tube 213 is fixedly installed below the horizontal tube 211, and a threaded sleeve 214 is rotatably installed on the outside of the vertical tube 213, and the vertical tube 213 is threadedly rotated through the threaded sleeve 214 to be inserted into the interior of the filter outer tube 215, and a sealing gasket 2110 is installed between the vertical tube 213, the baffle 212, the filter inner tube 216 and the partition 2113.

[0028] The vertical pipe 213 is inserted into the interior of the filter outer cylinder 215, and the bottom end of the vertical pipe 213 is aligned and connected with the upper end of the filter inner cylinder 216, and the bottom end of the baffle 212 is aligned and connected with the upper end of the partition 2113, and a sealing gasket 2110 is installed between the vertical pipe 213, the baffle 212, the filter inner cylinder 216 and the partition 2113, and the vertical pipe 213, the baffle 212, the filter inner cylinder 216 and the partition 2113 are connected and sealed.

[0029] The fluid enters the interior of the cross pipe 211 through the second valve 4, and is blocked by the baffle 212 from entering the left space of the filter inner cylinder 216 divided by the partition 2113. Then, it enters the right space of the filter inner cylinder 216 through the bottom of the filter outer cylinder 215 and the first porous plate 217. The fluid is filtered by the filter cotton inside the right space of the filter inner cylinder 216, thereby removing impurities and particles in the fluid to prevent them from damaging the flow meter and affecting the measurement accuracy.

[0030] In this embodiment, a sliding groove 2112 is provided on the inner wall of the filter outer cylinder 215 near the top, and a slider 2111 is fixedly installed on the outside of the vertical pipe 213 , and the slider 2111 is adapted to be inserted into the interior of the sliding groove 2112 .

[0031] The slider 2111 is adapted to be inserted into the interior of the slide groove 2112 to align and connect the vertical pipe 213 , the baffle 212 , the filter inner cylinder 216 and the partition 2113 .

[0032] In this embodiment, a sewage pipe 218 is fixedly installed at the bottom end of the filter outer cylinder 215 , and a threaded cover 219 is threadedly installed at the bottom end of the sewage pipe 218 .

[0033] A drain pipe 218 is fixedly installed at the bottom end of the filter outer cylinder 215, and a threaded cover 219 is threadedly installed at the bottom end of the drain pipe 218. The threaded cover 219 can be opened to facilitate the discharge of impurities and particles deposited at the bottom of the inner cavity of the filter outer cylinder 215.

[0034] In this embodiment, the replacement unit 22 includes a positioning block 221 fixedly mounted on the right side of the partition 2113 , a pull rod 222 is slidably mounted inside the positioning block 221 , and a second porous plate 223 is fixedly mounted on the bottom end of the pull rod 222 .

[0035] When replacing the filter cotton inside the right side of the filter inner cylinder 216, the user rotates the threaded sleeve 214 to separate the vertical pipe 213 from the filter outer cylinder 215 and the filter inner cylinder 216, and the user pulls the pull rod 222 upward, and the pull rod 222 drives the second porous plate 223 to move upward synchronously. At this time, the second porous plate 223 drives the filter cotton above the second porous plate 223 to move upward, thereby facilitating the replacement of the filter cotton.

[0036] In this embodiment, the right end of the transverse tube 211 is fixedly connected to the metal tube float flowmeter body 1 through the first valve 3 , and the left end of the transverse tube 211 is fixedly installed with a second valve 4 .

[0037] The right end of the transverse tube 211 is fixedly connected to the metal tube float flowmeter body 1 through the first valve 3, and the left end of the transverse tube 211 is fixedly installed with a second valve 4. When replacing the filter cotton, the first valve 3 and the second valve 4 are closed to facilitate the replacement of the filter cotton and prevent the fluid from flowing out when replacing the filter cotton.

[0038] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0039] During operation, the fluid first enters the interior of the horizontal pipe 211 through the second valve 4, and is blocked by the baffle 212 to enter the left space of the filter inner cylinder 216 divided by the partition 2113, and then enters the right space of the filter inner cylinder 216 through the bottom of the filter outer cylinder 215 and the first porous plate 217. The fluid is filtered by the filter cotton inside the right space of the filter inner cylinder 216, thereby removing impurities and particles in the fluid. Then, when replacing the filter cotton inside the right side of the filter inner cylinder 216, the user rotates the threaded sleeve 214 to separate the vertical pipe 213 from the filter outer cylinder 215 and the filter inner cylinder 216, and the user pulls the pull rod 222 upward, and the pull rod 222 drives the second porous plate 223 to move upward synchronously. At this time, the second porous plate 223 drives the filter cotton above the second porous plate 223 to move upward, and the filter cotton is replaced.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flow detection device for a metal tube float flowmeter, comprising a metal tube float flowmeter body (1), characterized in that: The left end of the metal tube float flowmeter body (1) is provided with a filtering mechanism (2) for filtering the fluid entering the flowmeter. The filtering mechanism (2) includes: The filter element unit (21) is arranged at the left end of the metal tube float flowmeter body (1), and comprises a filter outer cylinder (215), a filter inner cylinder (216) is fixedly installed inside the filter outer cylinder (215), a partition (2113) is fixedly installed inside the filter inner cylinder (216), a first porous plate (217) is fixedly installed on the right side of the partition (2113), and filter cotton is filled and installed above the first porous plate (217); The replacement unit (22) is arranged inside the filter element unit (21) and is used to replace the filter material.

2. The flow detection device of a metal tube float flowmeter according to claim 1, characterized in that: The filter element unit (21) further comprises a transverse tube (211), a baffle (212) being fixedly mounted inside the transverse tube (211), a vertical tube (213) being fixedly mounted below the transverse tube (211), a threaded sleeve (214) being rotatably mounted outside the vertical tube (213), and the vertical tube (213) being threadably inserted into the interior of the filter outer cylinder (215) via the threaded sleeve (214), and a sealing gasket (2110) being mounted between the vertical tube (213), the baffle (212), the filter inner cylinder (216), and the partition (2113).

3. The flow detection device of a metal tube float flowmeter according to claim 2, characterized in that: The filter outer cylinder (215) is provided with a slide groove (2112) near the top inner wall, and a slider (2111) is fixedly installed on the outside of the vertical pipe (213), and the slider (2111) is adapted to be inserted into the inside of the slide groove (2112).

4. The flow detection device of a metal tube float flowmeter according to claim 1, characterized in that: A sewage pipe (218) is fixedly mounted on the bottom end of the filter outer cylinder (215), and a threaded cover (219) is threadedly mounted on the bottom end of the sewage pipe (218).

5. The flow detection device of a metal tube float flowmeter according to claim 1, characterized in that: The replacement unit (22) comprises a positioning block (221) fixedly mounted on the right side of the partition (2113), a pull rod (222) being slidably mounted inside the positioning block (221), and a second porous plate (223) being fixedly mounted at the bottom end of the pull rod (222).

6. The flow detection device of a metal tube float flowmeter according to claim 2, characterized in that: The right end of the transverse tube (211) is fixedly connected to the metal tube float flowmeter body (1) via a first valve (3), and the left end of the transverse tube (211) is fixedly mounted with a second valve (4).

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