CN218885043U

CN218885043U - Prevent turbine flowmeter of jam

Info

Publication number: CN218885043U
Application number: CN202223276005.6U
Authority: CN
Inventors: 施然; 陈锐
Original assignee: Jiangsu Zhongliang Instrument Co ltd
Current assignee: Jiangsu Zhongliang Instrument Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-18
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to a turbine flowmeter technical field, concretely relates to prevent turbine flowmeter of jam. The utility model provides a turbine flowmeter for preventing blockage, which comprises a first connecting pipe, a detecting pipe, a flow detector, a turbine, a sealing cover and the like; the two ends of the detection pipe are symmetrically connected with first connecting pipes, the side wall of the detection pipe is connected with a flow detector, the inner cavity of the detection pipe is movably provided with a turbine matched with the detection pipe, an arc-shaped groove is formed in one side, far away from the detection pipe, of the first connecting pipe, and a sealing cover matched with the arc-shaped groove and capable of being inserted into the arc-shaped groove is movably arranged on the first connecting pipe. The liquid flowing into the detection pipe is filtered through the filter screen, foreign matters in the liquid are blocked, the liquid is prevented from flowing into the detection pipe, and therefore the turbine flowmeter is prevented from being blocked, and accurate measurement of the liquid is achieved.

Description

Prevent turbine flowmeter of jam

Technical Field

The utility model relates to a turbine flowmeter technical field, concretely relates to prevent turbine flowmeter of jam.

Background

The turbine flowmeter is the main type of speed flowmeter, when the measured fluid flows through the turbine flowmeter sensor, the impeller is forced to rotate under the action of the fluid, the rotating speed of the impeller is in direct proportion to the average flow speed of the pipeline, meanwhile, the blades periodically cut the magnetic force lines generated by the electromagnet, the magnetic flux of the coil is changed, according to the electromagnetic induction principle, a pulsating potential signal, namely an electric pulse signal, is induced in the coil, and the frequency of the electric pulse signal is in direct proportion to the flow of the measured fluid. The turbine flowmeter is a speed type instrument, has the advantages of high precision, good repeatability, simple structure, high pressure resistance, wide measurement range, small volume, light weight, small pressure loss, long service life, simple operation, convenient maintenance and the like, and is used for measuring the volume flow and the cumulant of low viscosity, strong corrosivity and clean liquid in a closed pipeline. Can be widely applied to the industries of petroleum, chemical industry, metallurgy, organic liquid, inorganic liquid, liquefied gas, urban gas pipe networks, pharmacy, food, paper making and the like.

The turbine flowmeter is characterized in that the flow is detected through the blades, so that the structure of the turbine flowmeter is complex, when impurities are mixed in liquid and enter the blades, the inside of the turbine flowmeter is blocked very easily, the measurement of the turbine flowmeter is not accurate, and the impurities entering the turbine flowmeter are difficult to clean due to the complex structure of the inside of the turbine flowmeter, so that the service life of the turbine flowmeter is influenced.

Therefore, there is a need to design a vortex flowmeter that is resistant to clogging.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the easy shortcoming that blocks up and the plug is difficult to clear away and causes its life to receive the influence of current turbine flowmeter, the to-be-solved technical problem of the utility model is to provide a prevent turbine flowmeter of jam.

In order to solve the technical problem, the utility model provides a such prevent turbine flowmeter of jam, including first connecting pipe, the detecting tube, flow detector, the turbine, sealed lid, the filter screen, scraper blade and first guide bar, the both ends of detecting tube are connected with first connecting pipe symmetrically, be connected with flow detector on the lateral wall of detecting tube, the inner chamber of detecting tube is provided with the turbine of adaptation with it movably, the inside arc wall of having seted up in one side that the detecting tube was kept away from to first connecting pipe, be provided with on the first connecting pipe movably with the arc wall adaptation and can insert the sealed lid in the arc wall, set up the logical groove with the arc wall symmetry on the first connecting pipe, and should lead to groove and arc wall end to end, sealed lid can slide in leading to the groove, be provided with the filter screen with it in the first connecting pipe, the filter screen is provided with the scraper blade that is used for striking off the jam on the filter screen towards one side of liquid flow direction movably, the scraper blade with set up first guide bar sliding type connection on the filter screen.

Preferably, the detection device further comprises a second connecting pipe, a fixed lug, a bolt, a connecting ring, an installation turntable, a second guide rod, a connecting rod and a sealing blade, wherein the end part of the first connecting pipe, which is far away from the detection pipe, is connected with the second connecting pipe, a second guide convex groove is formed in the outer wall of the second connecting pipe along the circumferential direction of the second connecting pipe, the connecting ring is sleeved on the second guide convex groove and can slide along the second guide convex groove, a fan-shaped guide groove is formed in the second connecting pipe and communicated with the second guide convex groove, the second connecting pipe is provided with a plurality of fixed lugs and bolts along the circumferential direction of the second connecting pipe at equal intervals, the inner side of the connecting ring is connected with the installation turntable, a plurality of arc-shaped guide grooves are formed in the installation turntable along the circumferential direction of the installation turntable at equal intervals, the second guide rod is arranged in the arc-shaped guide groove, the fixed lugs penetrate through the arc-shaped guide groove and can slide along the arc-shaped guide groove through the second guide rod, the connecting rod connected with the sealing blade, and one corner of the sealing blade is rotatably connected with the bolt.

Preferably, the mounting device further comprises a sealing ring, and the inner wall of the second connecting pipe is connected with the sealing ring used for limiting the mounting turntable on the inner wall of the second connecting pipe.

Preferably, the turbine rotor comprises a rotating ring and auxiliary blades, wherein the rotating ring is arranged on one side, close to the turbine, in the first connecting pipe, the rotating ring is matched with and rotatably connected with a first guide convex groove formed in the inner wall of the first connecting pipe through a guide groove formed in the outer wall of the rotating ring, and the auxiliary blades are arranged between the rotating ring and the turbine.

Preferably, the flow detector further comprises a protective cover, and the protective cover for preventing damage of the flow detector is rotatably arranged on the flow detector.

Preferably, the length of the arc-shaped guide groove is equal to the arc length of the fan-shaped guide groove.

The beneficial effect that this adaptation is novel to reach as follows:

1. the liquid flowing into the detection pipe is filtered by the filter screen, foreign matters in the liquid are blocked, and the liquid is prevented from flowing into the detection pipe, so that the turbine flowmeter is prevented from being blocked, and the liquid is accurately measured; simultaneously, through the up-and-down motion of scraper blade along first guide bar, clear up the foreign matter on the filter screen, avoid the foreign matter to pile up and lead to the filter screen to be piled up by the foreign matter and influence the flow and the velocity of flow of liquid, realize from this that the life of the flowmeter also can be extended to accurate measuring and calculating liquid flow.

2. The installation turntable is driven to rotate through the connecting ring, the installation turntable drives the sealing blades to move through the connecting rods, the inner cavity circulation channel of the second connecting pipe is closed or opened, the liquid flowing into the first connecting pipe is controlled, and therefore convenience is brought to cleaning of foreign matters on the filter screen.

Drawings

Fig. 1 is the utility model discloses a spatial structure sketch map of first connecting tube, test tube and flow detector.

Fig. 2 is the utility model discloses a spatial structure cross-sectional view of first connecting pipe and flow detector.

Fig. 3 is a schematic view of the three-dimensional structure of the first connecting pipe, the sealing cover and the arc-shaped groove of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the first connecting pipe, the second connecting pipe and the second guiding convex groove of the present invention.

Fig. 5 is a perspective sectional view of the first connecting pipe, the flow detector and the second connecting pipe of the present invention.

Fig. 6 is a schematic perspective view of the filter screen, the scraper, the first guide bar, and other parts of the present invention.

Fig. 7 is a schematic perspective view of the present invention.

Fig. 8 is a schematic view of the three-dimensional structure of the installation turntable, the connection rod, the sealing blade and other parts of the present invention.

Fig. 9 is a schematic perspective view of the second connecting pipe, the fan-shaped guide groove, and the fixing bump according to the present invention.

Fig. 10 is a schematic perspective view of the connecting ring and the mounting turntable according to the present invention.

The labels in the figures are: 1-a first connecting pipe, 101-a first guide convex groove, 102-an arc-shaped groove, 103-a through groove, 2-a detection pipe, 3-a flow detector, 301-a protective cover, 4-a swivel, 401-a guide groove, 5-an auxiliary blade, 6-a turbine, 7-a sealing cover, 8-a second connecting pipe, 801-a second guide convex groove, 802-a fan-shaped guide groove, 803-a fixed lug, 804-a bolt, 805-a sealing ring, 9-a filter screen, 10-a scraping plate, 11-a first guide rod, 12-a connecting ring, 13-an installation turntable, 1301-a second guide rod, 1302-an arc-shaped guide groove, 14-a connecting rod and 15-a sealing blade.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1, 2, 3, 5, 6 and 7, an anti-clogging turbine flowmeter comprises a first connecting pipe 1, a detecting pipe 2, a flow detector 3, a protective cover 301, a rotary ring 4, an auxiliary blade 5, a turbine 6, a sealing cover 7, a filter screen 9, a scraper 10 and a first guide rod 11, wherein the first connecting pipe 1 is symmetrically connected to the left and right ends of the detecting pipe 2 in a sealing connection manner, the detecting pipe 2 is communicated with the first connecting pipe 1, the flow detector 3 is connected to the side wall of the detecting pipe 2, the protective cover 301 for performing anti-damage protection on the flow detector 3 is rotatably arranged on the flow detector 3, the turbine 6 adapted to the inner cavity of the detecting pipe 2 is rotatably arranged in the inner cavity of the detecting pipe 2, the rotary ring 4 is arranged at one side close to the turbine 6 in the first connecting pipe 1, the rotary ring 4 is adapted to and rotatably connected to a first guide convex groove 101 arranged on the inner wall of the first connecting pipe 1 through a guide groove 401 arranged on the outer wall of the rotary ring 4, an auxiliary blade 5 for guiding liquid is arranged between the rotating ring 4 and the turbine 6, an arc-shaped groove 102 is arranged in one side of the first connecting pipe 1 away from the detecting pipe 2, an arc-shaped sealing cover 7 which is adaptive to the arc-shaped groove 102 and can be inserted into the arc-shaped groove 102 is arranged on the first connecting pipe 1 in a sliding manner, the length of the arc-shaped sealing cover 7 is consistent with that of the arc-shaped groove 102, a through groove 103 which is symmetrical to the arc-shaped groove 102 is arranged on the first connecting pipe 1, the tail end of the through groove 103 is connected with the head end of the arc-shaped groove 102, the sealing cover 7 can slide in the through groove 103, a filter screen 9 adaptive to the first connecting pipe 1 is arranged in the first connecting pipe 1, a scraper 10 for scraping the blockage on the filter screen 9 is arranged on one side of the filter screen 9 facing the liquid flowing direction in a sliding manner, and the scraper 10 is connected with a first guide rod 11 arranged on the filter screen 9 in a sliding manner, the first guide bar 11 overlaps the diameter of the screen 9, and the first guide bar 11 slidably penetrates the scraper 10.

When the device is used, one of the first connecting pipes 1 is a liquid inlet, the other first connecting pipe 1 is a liquid outlet, liquid flows in through the first connecting pipe 1, the liquid is filtered through the filter screen 9, foreign matters in the liquid are blocked by the filter screen 9, the liquid filtered through the filter screen 9 flows onto the auxiliary blade 5 through the rotating ring 4, the auxiliary blade 5 guides the flow of the liquid, the guided liquid flows into the detection pipe 2 and flows into the first connecting pipe 1 of the outlet through the detection pipe 2, the liquid drives the turbine 6 to rotate at a high speed when flowing through the detection pipe 2, an electric signal in direct proportion to the liquid flow is generated through the rotation of the turbine 6, and the flow detector 3 converts the electric signal into a number to display, so that the flow of the liquid flowing through the detection pipe 2 is measured and calculated; when more foreign matters are accumulated in the filter screen 9, a user can pull the sealing cover 7 forwards, the sealing cover 7 moves along the arc-shaped groove 102 and is inserted into the arc-shaped groove 102, the user can pull the scraper 10 upwards, the scraper 10 moves upwards along the first guide rod 11 and scrapes the foreign matters on the filter screen 9, and the foreign matters are cleaned out of the first connecting pipe 1 through the through groove 103; after the foreign matters on the filter screen 9 are cleaned, the scraper 10 is reset downwards, the sealing cover 7 is moved along the through groove 103, and the through groove 103 is sealed and reset; therefore, the detection pipe 2 and the turbine 6 are prevented from being blocked by foreign matters, and the liquid flow is accurately measured.

Example 2

As shown in fig. 4, 7, 8, 9 and 10, based on embodiment 1, the present invention further includes a second connection pipe 8, a fixing protrusion 803, a bolt 804, a sealing ring 805, a connection ring 12, a mounting turntable 13, a second guide bar 1301, a connection rod 14 and a sealing blade 15, wherein the end of the first connection pipe 1 away from the detection pipe 2 is connected to the second connection pipe 8, the outer wall of the second connection pipe 8 is provided with a second guide convex groove 801 along the circumferential direction thereof, the second guide convex groove 801 is a "convex" shaped groove with a convex middle part and two concave sides, the connection ring 12 is sleeved on the second guide convex groove 801, and can slide along the second guide convex groove 801, the upper part of the second connecting pipe 8 is provided with a fan-shaped guide groove 802, the sector-shaped guide groove 802 is communicated with the second guide convex groove 801, the second connecting pipe 8 is provided with a plurality of fixing lugs 803 and bolts 804 at equal intervals along the circumferential direction, the inner side of the connecting ring 12 is connected with the installation rotary table 13, the connecting ring 12 is connected with the installation rotary table 13 through a rod-shaped connecting piece, and the connecting piece is positioned in the sector guide slot 802, five arc guide slots 1302 are equidistantly arranged on the installation turntable 13 along the circumferential direction thereof, the length of the arc-shaped guide slot 1302 is equal to the arc length of the sector-shaped guide slot 802, the second guide bar 1301 is arranged in the arc-shaped guide slot 1302, the fixing protrusion 803 penetrates through the arc-shaped guide slot 1302 and can slide along the arc-shaped guide slot 1302 through the second guide bar 1301, the second guide bar 1301 penetrates through the fixing protrusion 803, a connecting rod 14 connected with the mounting rotary disc 13 is connected with a sealing blade 15, the sealing blade 15 is in a closed triangle shape, one corner of the sealing blade 15 is rotationally connected with a plug pin 804, the plug 804 penetrates through one corner of the sealing blade 15, and a sealing ring 805 for limiting the mounting rotary disc 13 on the inner wall of the second connecting pipe 8 is connected to the inner wall of the second connecting pipe 8.

When a user rotates the connecting ring 12 clockwise, the connecting ring 12 drives the installation rotary disc 13 to rotate clockwise, the fan-shaped guide groove 802 guides and limits the rotation angle of the connecting ring 12, the arc-shaped guide groove 1302 displaces along the fixed bump 803, the installation rotary disc 13 rotates clockwise, the connecting rod 14 drives the sealing blade 15 to rotate, the sealing blade 15 rotates clockwise by taking the bolt 804 as a rotation center, therefore, the sealing blade 15 moves towards the inner wall direction of the second connecting pipe 8, and liquid can flow into the first connecting pipe 1 through the inner cavity of the second connecting pipe 8; when liquid needs to be blocked, a user rotates the connecting ring 12 anticlockwise, the connecting ring 12 drives the installation rotary disc 13 to rotate anticlockwise, the installation rotary disc 13 drives the sealing blade 15 to rotate anticlockwise through the connecting rod 14, the sealing blade 15 rotates anticlockwise with the bolt 804 as a center, the arc-shaped guide groove 1302 guides and limits the rotation angle of the installation rotary disc 13, the inner cavity of the second connecting pipe 8 is sealed, liquid is blocked outside the second connecting pipe 8, and convenience is brought to clearing of foreign matters on the filter screen 9.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations, modifications and substitutions can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A turbine flowmeter for preventing blockage comprises a first connecting pipe (1), a detecting pipe (2), a flow detector (3) and a turbine (6), wherein the first connecting pipe (1) is symmetrically connected with two ends of the detecting pipe (2), the flow detector (3) is connected on the side wall of the detecting pipe (2), the turbine (6) matched with the inner cavity of the detecting pipe (2) is movably arranged in the inner cavity of the detecting pipe (2), it is characterized by also comprising a sealing cover (7), a filter screen (9), a scraper (10) and a first guide rod (11), wherein an arc-shaped groove (102) is arranged inside one side of the first connecting pipe (1) far away from the detection pipe (2), the sealing cover (7) which is matched with the arc-shaped groove (102) and can be inserted into the arc-shaped groove (102) is movably arranged on the first connecting pipe (1), a through groove (103) which is symmetrical to the arc-shaped groove (102) is arranged on the first connecting pipe (1), and the through groove (103) is connected with the arc-shaped groove (102) end to end, the sealing cover (7) can slide in the through groove (103), a filter screen (9) matched with the first connecting pipe (1) is arranged in the first connecting pipe (1), a scraper (10) used for scraping the blockage on the filter screen (9) is movably arranged on one side of the filter screen (9) facing the liquid flow direction, and the scraper (10) is connected with a first guide rod (11) arranged on the filter screen (9) in a sliding mode.

2. The anti-clogging turbine flow meter according to claim 1, characterized in that the anti-clogging turbine flow meter further comprises a second connecting pipe (8), fixing bumps (803), pins (804), a connecting ring (12), a mounting turntable (13), a second guide rod (1301), a connecting rod (14) and sealing blades (15), the end portion of the first connecting pipe (1) far away from the detection pipe (2) is connected with the second connecting pipe (8), the outer wall of the second connecting pipe (8) is provided with a second guide convex groove (801) along the circumferential direction thereof, the second connecting pipe (12) is sleeved on the second guide convex groove (801) and can slide along the second guide convex groove (801), the second connecting pipe (8) is provided with a fan-shaped guide groove (802), the fan-shaped guide groove (802) is communicated with the second guide convex groove (801), the second connecting pipe (8) is provided with a plurality of fixing bumps (803) and pins (804) along the circumferential direction thereof, the inner side of the connecting ring (12) is connected with the mounting turntable (13), the mounting turntable (13) is provided with a plurality of arc-shaped guide bars (1301) along the circumferential direction thereof, the arc-shaped guide groove (14) is connected with the mounting bumps (1302), and the arc-shaped guide rod (1301) and the connecting rod (14) is connected with the mounting guide groove (1302) along the arc-shaped guide groove (14) and can slide along the arc-shaped guide groove (1302), the arc-shaped guide groove (1301), the arc-shaped guide groove (14), the arc-shaped guide groove (1302), the arc-shaped guide groove (3) 15 One corner of the sealing blade (15) is rotatably connected with the bolt (804).

3. The anti-clogging turbine flowmeter according to claim 2, further comprising a sealing ring (805), wherein the inner wall of the second connecting pipe (8) is connected with the sealing ring (805) for limiting the mounting rotor (13) on the inner wall of the second connecting pipe (8).

4. An anti-clogging turbine flowmeter according to any one of claims 1 to 3, further comprising a swivel (4) and auxiliary blades (5), wherein the swivel (4) is disposed at a side of the first connecting pipe (1) close to the turbine (6), the swivel (4) is adapted to and rotatably connected with the first guide projection groove (101) disposed on the inner wall of the first connecting pipe (1) through a guide groove (401) disposed on the outer wall of the swivel (4), and the auxiliary blades (5) are disposed between the swivel (4) and the turbine (6).

5. An anti-clogging turbine flowmeter according to claim 4, further comprising a protective cover (301), wherein the flow meter (3) is rotatably provided with the protective cover (301) for protecting it from damage.

6. The anti-clogging turbine flow meter according to claim 2, characterized in that the length of said arcuate guide slots (1302) has a value corresponding to the arc length of said fan-shaped guide slots (802).