Anti-blocking annular throttling type flowmeter

Abstract

The utility model discloses an anti-blocking annular throttling flowmeter, which comprises a flowmeter body, a sealing element, a positioning mechanism, a fixed flange, a connecting flange and a dismounting mechanism, a connecting ring is movably attached to the bottom of the flowmeter body, the sealing element is fixedly mounted in the middle of the connecting ring, and two ends of the connecting ring are connected with the flowmeter body through the positioning mechanism. The annular throttling type flowmeter is provided with the annular throttling type flowmeter body, the connecting ring, the sealing piece and the positioning mechanism, and the connecting ring, the sealing piece and the flowmeter body can be fixedly connected and separated conveniently through the positioning mechanism, so that gas impurities in the flowmeter body can be cleaned conveniently when the sealing piece is detached; blockage of the flow meter caused by accumulation of impurities is avoided, and the anti-blockage effect of the flow meter is improved; the connecting flange and the fixed flange can be fixedly connected and separated by controlling the dismounting and mounting mechanism, and the dismounting and mounting convenience of the anti-blocking annular throttling type flowmeter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to an anti-blocking ring-mounted throttling flow meter. Background Art

[0002] Ring-mounted throttling flowmeters are mainly used for flow measurement of industrial fluids containing dust, suspension, and sediment, such as blast furnace media, coke oven gas, water gas, flue gas and other media. Ring-mounted throttling flowmeters have the characteristics of stable measurement signal, reliable operation, short measurement pipe section, low price, etc. However, the existing ring-mounted throttling flowmeters still have some defects during use.

[0003] When the existing ring-mounted throttling flowmeter measures the flow of coal gas, a large amount of impurities contained in the coal gas will be dispersed inside the ring-mounted throttling flowmeter as the coal gas flows, and will adhere to the inner wall of the ring-mounted throttling flowmeter during the dispersion process. The existing ring-mounted throttling flowmeter is mostly an integrated structure, which is not convenient for removing the impurities adhered inside, which will cause the existing ring-mounted throttling flowmeter to be blocked, affecting the measurement of the gas flow. At the same time, when the existing ring-mounted throttling flowmeter is connected to the gas pipeline, a flange connection method is mostly used, and the flange connection method requires the use of multiple sets of connecting bolts for fixing, resulting in a complex structure. Therefore, an anti-blocking ring-mounted throttling flowmeter is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an anti-blocking ring-mounted throttling flowmeter to solve the problems of inconvenience in cleaning internally bonded gas impurities causing blockage and complex structure of connection with gas pipelines proposed in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An anti-blocking ring-mounted throttling flowmeter comprises a ring-mounted throttling flowmeter body, a sealing member, a positioning mechanism, a fixing flange, a connecting flange and a disassembly mechanism.

[0007] A connecting ring is movably attached to the bottom of the ring-mounted throttling flowmeter body, a sealing member is fixedly installed in the middle of the connecting ring, and both ends of the connecting ring are connected to the ring-mounted throttling flowmeter body through a positioning mechanism;

[0008] The two ends of the ring-mounted throttling flowmeter body are fixedly installed with fixed flanges, the interior of the fixed flanges is provided with docking holes, one side of the fixed flanges is fitted with a connecting flange, the interior of the connecting flanges is fixedly installed with a positioning rod, and the positioning rod is connected to the docking hole;

[0009] The connecting flange is fixedly connected to the ring-mounted throttling flowmeter body through a disassembly and assembly mechanism.

[0010] Preferably, the positioning mechanism includes a positioning block, positioning blocks are fixedly installed at both ends of the connecting ring, a through hole is opened inside the positioning block, a locking rod is slidably connected inside the through hole, a shift plate is fixedly installed on one end of the locking rod, a spring is sleeved on the locking rod between the shift plate and the positioning block, and both ends of the spring are fixedly connected to the shift plate and the positioning block respectively, and locking grooves corresponding to the locking rod are opened on both sides of the ring-mounted throttling flowmeter body.

[0011] By adopting the above-mentioned structural design, the positioning mechanism can facilitate the fixed connection and separation between the connecting ring and the ring-mounted throttling flowmeter body, thereby facilitating the disassembly and assembly of the seal and improving the convenience of cleaning the gas impurities inside the anti-blocking ring-mounted throttling flowmeter.

[0012] Preferably, the engaging rod and the shifting plate form a telescopic structure through a spring, a positioning block and a through hole, and the engaging rod is engaged with the engaging groove.

[0013] The above structural design facilitates the control of the connection and separation between the engaging rod and the engaging groove by pulling the engaging rod and resetting the engaging rod by the spring, thereby improving the convenience of disassembly and assembly of the sealing member.

[0014] Preferably, the docking holes are opened at equal angles inside the fixing flange, and the positioning rods are symmetrically distributed about the center line of the connecting flange, and the size of the connecting flange is consistent with the size of the docking holes.

[0015] The above structural design facilitates the precise positioning of the connection between the fixed flange and the connecting flange by the cooperation of the docking hole and the positioning rod, thereby improving the docking stability and accuracy between the anti-blocking ring-mounted throttling flowmeter and the gas pipeline.

[0016] Preferably, the disassembly and assembly mechanism includes an insertion rod, which is symmetrically installed on one side of the connecting flange, a threaded groove is opened inside one end of the insertion rod, a positioning screw passes through the threaded groove, and fixed seats are symmetrically installed on both ends of the ring-mounted throttling flowmeter body, and the fixed seats correspond to the positioning screw.

[0017] The above structural design facilitates docking and positioning between the anti-blocking ring-mounted throttling flowmeter and the gas pipeline through the disassembly and assembly mechanism, thereby improving the simplicity of the docking and positioning structure between the anti-blocking ring-mounted throttling flowmeter and the gas pipeline.

[0018] Preferably, the positioning screw is threadedly connected to the insertion rod via a thread groove, and the positioning screw is snap-fittedly connected to the fixing seat.

[0019] The above structural design makes it easy to control the engagement and separation between the positioning screw and the fixing seat by rotating the positioning screw, thereby realizing the disassembly and assembly between the anti-blocking ring-mounted throttling flowmeter and the gas pipeline, thereby improving the operational convenience of the disassembly and assembly mechanism.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The utility model is provided with a ring-mounted throttling flowmeter body, a connecting ring, a sealing member and a positioning mechanism, so that the connecting ring and the sealing member can be conveniently fixedly connected and separated from the ring-mounted throttling flowmeter body by controlling the positioning mechanism, so that it is convenient to clean the gas impurities inside the ring-mounted throttling flowmeter body when the sealing member is disassembled, so as to avoid the accumulation of impurities and cause the ring-mounted throttling flowmeter body to be blocked, thereby improving the anti-blocking effect of the anti-blocking ring-mounted throttling flowmeter;

[0022] 2. The utility model is provided with a fixed flange, a docking hole, a connecting flange, a positioning rod and a disassembly and assembly mechanism, so that the connecting flange and the fixed flange can be fixedly connected and separated by controlling the disassembly and assembly mechanism, thereby improving the convenience of disassembly and assembly of the anti-blocking ring-mounted throttling flowmeter. The connection between the docking hole and the positioning rod can facilitate the precise docking and positioning of the fixed flange and the connecting flange, thereby improving the docking stability between the anti-blocking ring-mounted throttling flowmeter and the gas pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 This is a schematic diagram of the exploded structure of the flow meter body and the seal of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the positioning mechanism of the utility model;

[0026] Figure 4 This is a schematic diagram of the exploded structure of the fixed flange and the connecting flange of the utility model;

[0027] Figure 5 It is a structural schematic diagram of the disassembly and assembly mechanism of the utility model.

[0028] In the figure: 1. ring-mounted throttling flowmeter body; 2. connecting ring; 3. sealing member; 4. positioning mechanism; 401. positioning block; 402. through hole; 403. engaging rod; 404. dial plate; 405. spring; 406. engaging groove; 5. fixing flange; 6. docking hole; 7. connecting flange; 8. positioning rod; 9. disassembly and assembly mechanism; 901. insert rod; 902. threaded groove; 903. positioning screw; 904. fixing seat. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-Figure 3 The utility model provides a technical solution: an anti-blocking ring-mounted throttling flowmeter, comprising a ring-mounted throttling flowmeter body 1, a sealing member 3, a positioning mechanism 4, a fixing flange 5, a connecting flange 7 and a disassembly mechanism 9, a connecting ring 2 is movably fitted at the bottom of the ring-mounted throttling flowmeter body 1, a sealing member 3 is fixedly installed at the middle of the connecting ring 2, both ends of the connecting ring 2 and the ring-mounted throttling flowmeter body 1 are connected to each other through a positioning mechanism 4, the positioning mechanism 4 comprises a positioning block 401, both ends of the connecting ring 2 are fixedly installed with the positioning blocks 401, a through hole 402 is provided inside the positioning block 401, a locking rod 403 is slidably connected inside the through hole 402, a dial plate 404 is fixedly installed at one end of the locking rod 403, a spring 405 is sleeved on the locking rod 403 between the dial plate 404 and the positioning block 401, and both ends of the spring 405 are respectively fixedly connected to the dial plate 404 and the positioning block 401 The engaging rod 403 and the paddle plate 404 form a telescopic structure with the positioning block 401 and the through hole 402 through the spring 405. Engaging grooves 406 corresponding to the engaging rod 403 are provided on both sides of the ring-mounted throttling flowmeter body 1, and the engaging rod 403 is engaged and connected with the engaging grooves 406. The design of the above structure enables the engaging rod 403 to slide and telescope in the through hole 402 inside the positioning block 401 by pulling the paddle plate 404 and resetting the paddle plate 404 and the engaging rod 403 by the spring 405, thereby facilitating the control of the engagement and separation between the engaging rod 403 and the engaging groove 406, which is beneficial to fix the connecting ring 2 and the sealing member 3 when engaging to achieve the blocking of the ring-mounted throttling flowmeter body 1, and is beneficial to disassemble the connecting ring 2 and the sealing member 3 when separating, thereby facilitating the cleaning of the gas impurities inside the ring-mounted throttling flowmeter body 1 to achieve the anti-blocking work.

[0031] Specific as Figure 1 and Figure 3As shown, fixed flanges 5 are fixedly installed at both ends of the ring-mounted throttling flowmeter body 1, and docking holes 6 are opened inside the fixed flange 5. The docking holes 6 are opened at equal angles inside the fixed flange 5. A connecting flange 7 is attached to one side of the fixed flange 5, and a positioning rod 8 is fixedly installed inside the connecting flange 7. The positioning rod 8 and the docking hole 6 are connected to each other, and the positioning rod 8 is symmetrically distributed about the center line of the connecting flange 7, and the size of the connecting flange 7 is consistent with the size of the docking hole 6. The design of the above structure enables the docking hole 6 to cooperate with the corresponding positioning rod 8 to relatively limit the fixed flange 5 and the connecting flange 7 for precise docking during the docking of the fixed flange 5 and the connecting flange 7, thereby improving the docking stability and accuracy between the anti-blocking ring-mounted throttling flowmeter and the gas pipeline.

[0032] Specific as Figure 1 and Figure 4-5 As shown, the connecting flange 7 is fixedly connected to the ring-mounted throttling flowmeter body 1 through a disassembly and assembly mechanism 9, and the disassembly and assembly mechanism 9 includes a plug rod 901, and the plug rod 901 is symmetrically installed on one side of the connecting flange 7. A threaded groove 902 is provided inside one end of the plug rod 901, and a positioning screw 903 runs through the inside of the threaded groove 902. The positioning screw 903 is threadedly connected to the plug rod 901 through the threaded groove 902. Fixed seats 904 are symmetrically installed at both ends of the ring-mounted throttling flowmeter body 1, and the fixed seat 904 corresponds to the positioning screw 903, and the positioning screw 903 is engaged with the fixed seat 904. The design of the above structure makes it possible for the insertion rod 901 to penetrate the corresponding docking hole 6 after the fixed flange 5 and the connecting flange 7 are docked, and then the positioning screw 903 is threadedly connected to the insertion rod 901 through the thread groove 902, so that the positioning screw 903 and the corresponding fixing seat 904 can be docked and engaged to realize the docking positioning of the fixed flange 5 and the connecting flange 7. Similarly, the reverse rotation can drive the positioning screw 903 to separate from the fixing seat 904, thereby facilitating the separation of the fixed flange 5 and the connecting flange 7, and realizing the disassembly and assembly of the anti-blocking ring-mounted throttling flowmeter and the gas pipeline.

[0033] Working principle: When using the anti-blocking ring-mounted throttling flowmeter, first Figure 1-5As shown, in the process of docking the ring-mounted throttling flowmeter body 1 with the gas pipeline, the gas pipeline can be inserted into the docking holes 6 opened on the fixing flanges 5 at both ends of the ring-mounted throttling flowmeter body 1 through the connecting flange 7 and the positioning rod 8, thereby realizing precise docking. At the same time, the insertion rod 901 will also pass through the fixing flange 5 through the docking hole 6, and then the positioning screw 903 is threadedly connected with the thread groove 902, so that the positioning screw 903 and the fixing seat 904 form a snap fit, thereby realizing the docking of the anti-blocking ring-mounted throttling flowmeter with the gas pipeline. When it is necessary to clean the gas impurities adhered to the inside of the ring-mounted throttling flowmeter body 1, the snap fit rod 901 is used to connect the gas impurities to the gas pipeline. The pulling of 403 separates it from the engaging groove 406, and then the connecting ring 2 and the sealing member 3 can be disassembled to clean the impurities inside the ring-mounted throttling flowmeter body 1. After the cleaning is completed, the sealing member 3 is aligned with the opening on the ring-mounted throttling flowmeter body 1, and the connecting ring 2 is fitted with the ring-mounted throttling flowmeter body 1. Then the spring 405 pulls the paddle plate 404 and the engaging rod 403 to reset in the through hole 402 of the positioning block 401, and the engaging rod 403 is engaged with the engaging groove 406, to clean and seal the inside of the ring-mounted throttling flowmeter body 1. The above completes the use process of the anti-blocking ring-mounted throttling flowmeter.

[0034] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-blocking ring-mounted throttling flowmeter, comprising a ring-mounted throttling flowmeter body (1), a sealing member (3), a positioning mechanism (4), a fixing flange (5), a connecting flange (7) and a disassembly mechanism (9), characterized in that: A connecting ring (2) is movably attached to the bottom of the ring-mounted throttling flowmeter body (1), a sealing member (3) is fixedly installed in the middle of the connecting ring (2), and both ends of the connecting ring (2) and the ring-mounted throttling flowmeter body (1) are connected to each other via a positioning mechanism (4); The two ends of the ring-mounted throttling flowmeter body (1) are fixedly mounted with fixing flanges (5), a docking hole (6) is provided inside the fixing flange (5), a connecting flange (7) is attached to one side of the fixing flange (5), a positioning rod (8) is fixedly mounted inside the connecting flange (7), and the positioning rod (8) and the docking hole (6) are connected to each other; The connecting flange (7) is fixedly connected to the ring-mounted throttling flowmeter body (1) via a disassembly and assembly mechanism (9).

2. The anti-blocking ring-mounted throttling flowmeter according to claim 1 is characterized in that: The positioning mechanism (4) comprises a positioning block (401), the two ends of the connecting ring (2) are fixedly mounted with the positioning blocks (401), a through hole (402) is provided inside the positioning block (401), a locking rod (403) is slidably connected inside the through hole (402), one end of the locking rod (403) is fixedly mounted with a shift plate (404), a spring (405) is sleeved on the locking rod (403) between the shift plate (404) and the positioning block (401), the two ends of the spring (405) are respectively fixedly connected to the shift plate (404) and the positioning block (401), and locking grooves (406) corresponding to the locking rod (403) are provided on both sides of the ring-mounted throttling flowmeter body (1).

3. The anti-blocking ring-mounted throttling flowmeter according to claim 2 is characterized in that: The engaging rod (403) and the shifting plate (404) form a telescopic structure with the positioning block (401) and the through hole (402) via a spring (405), and the engaging rod (403) is engaged and connected with the engaging groove (406).

4. The anti-blocking ring-mounted throttling flowmeter according to claim 1 is characterized in that: The docking holes (6) are opened at equal angles inside the fixing flange (5), and the positioning rods (8) are symmetrically distributed about the center line of the connecting flange (7), and the size of the connecting flange (7) matches the size of the docking holes (6).

5. The anti-blocking ring-mounted throttling flowmeter according to claim 1 is characterized in that: The disassembly and assembly mechanism (9) comprises an insertion rod (901), the insertion rod (901) is symmetrically mounted on one side of the connecting flange (7), a thread groove (902) is provided inside one end of the insertion rod (901), a positioning screw (903) passes through the inside of the thread groove (902), and fixing seats (904) are symmetrically mounted on both ends of the ring-mounted throttling flowmeter body (1), and the fixing seats (904) correspond to the positioning screw (903).

6. The anti-blocking ring-mounted throttling flowmeter according to claim 5, characterized in that: The positioning screw (903) is threadedly connected to the insertion rod (901) via the thread groove (902), and the positioning screw (903) is snap-fittedly connected to the fixing seat (904).

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