CN212539315U - Device for measuring small-flow water flow by adopting self-priming pump and flowmeter - Google Patents
Device for measuring small-flow water flow by adopting self-priming pump and flowmeter Download PDFInfo
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- CN212539315U CN212539315U CN202021765339.8U CN202021765339U CN212539315U CN 212539315 U CN212539315 U CN 212539315U CN 202021765339 U CN202021765339 U CN 202021765339U CN 212539315 U CN212539315 U CN 212539315U
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Abstract
The utility model discloses an adopt self priming pump and flowmeter survey device of low discharge rivers, including the water gauge meter of protecting box, fixed mounting self priming pump and fixed mounting on the inner wall of protecting box bottom at the play water end tip of self priming pump, the apron is installed in rotation of top one side of protecting box, the top opposite side and the apron thread tightening of protecting box, fixed mounting has the battery that is located the self priming pump top on the inner wall of the left side of protecting box, battery and self priming pump electric connection, and the end of intaking of self priming pump extends to the left side and the fixed mounting of protecting box has the L venturi tube. The utility model relates to a rationally, be convenient for when the operation of drawing water, clear up the mediation to the filter screen automatically, avoid appearing the phenomenon that the filter screen seriously blockked up at the in-process that draws water, guarantee normally to draw water and measure the operation, and can take out the filter screen and thoroughly clear up, satisfy the user demand, be favorable to the use.
Description
Technical Field
The utility model relates to an survey equipment technical field of low discharge rivers, especially relate to an adopt self priming pump and flowmeter to survey device of low discharge rivers.
Background
In the field, weir plates (triangular, rectangular and trapezoidal flow observation devices) are mostly adopted in the conventional devices for measuring spring water and small-flow river water, the implementation is convenient for places where the cofferdam plates are buried well, but the flow observation is difficult to implement when flaky water flow is inconvenient to be gathered in the weir plates for places where the weir plates are not buried well, most people for places where the weir plates are not buried well use a low-pressure electric self-suction pump with the flow less than 10 liters per second (86.4 square/day) for sucking water, the continuous water flow outlet is kept after the water flow is completely sucked, and a water meter for measuring the water flow is arranged at a water outlet port, namely the flow observation of the field natural water flow is completed.
Current adopt self priming pump and flowmeter to survey device of low discharge rivers when extracting the measurement to open-air water, in order to avoid earth to block up the end of intaking of self priming pump, it can be at the end installation filter screen of intaking of self priming pump mostly, shelter from earth, but it has the shortcoming of being not convenient for clear up the mediation to the filter screen automatically when absorbing water, at the in-process of absorbing water, earth is the mesh of the filter screen of being inhaled easily, cause the jam of filter screen, and then reduce the efficiency of absorbing water, can not satisfy the user demand, therefore we have proposed one kind and have adopted self priming pump and flowmeter to survey the device of low discharge rivers and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a device for measuring small flow water flow by adopting a self-priming pump and a flowmeter.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for measuring small-flow water flow by using a self-priming pump and a flow meter comprises a protective box, the self-priming pump fixedly arranged on the inner wall of the bottom of the protective box and a water meter gauge fixedly arranged at the end part of a water outlet end of the self-priming pump, wherein a cover plate is rotatably arranged on one side of the top of the protective box, the other side of the top of the protective box is in threaded fixation with the cover plate, a storage battery positioned above the self-priming pump is fixedly arranged on the inner wall of the left side of the protective box, the storage battery is electrically connected with the self-priming pump, a water inlet end of the self-priming pump extends to the left side of the protective box and is fixedly provided with an L-shaped pipe, a filtering and cleaning box is fixedly sleeved on the L-shaped pipe, the left side of the filtering and cleaning box is arranged as an outlet, a return plate is movably sleeved in the filtering and cleaning box, a filter screen is, the top and the bottom of the left side of the annular plate are fixedly provided with fixed blocks, the fixed block positioned above the two fixed blocks is fixed on the left side of the filtering and cleaning box by screw threads, the left side of the fixed block positioned above the two fixed blocks is fixedly provided with a U-shaped handle, the inner wall of the bottom of the filtering and cleaning box is rotatably provided with a screw, the top of the filtering and cleaning box is fixedly provided with an installation box with an opening at the bottom, the top of the filtering and cleaning box is fixedly provided with a driving motor positioned in the installation box, an output shaft of the driving motor extends into the filtering and cleaning box and is fixedly connected with the top end of the screw, the screw is provided with a moving rod in a threaded sleeve manner, the left end of the moving rod extends into the return plate, a positioning rod is fixedly arranged between the inner wall of the top and the inner wall of the bottom of the filtering and cleaning box, the moving rod is sleeved on the positioning rod in a sliding manner, the, the installation pole is located first rectangular hole, the left side fixed mounting of installation pole has a plurality of arc lugs, be equipped with the clearance brush-holder stud in the first rectangular hole, the second rectangular hole has been seted up on the left side inner wall of first rectangular hole, the left end of clearance brush-holder stud runs through the second rectangular hole and extends to in the shape of returning the board and be equipped with the clearance brush hair, the left side of clearance brush hair and the right side movable contact of filter screen, the third rectangular hole has been seted up at the top of clearance brush-holder stud, fixed mounting has the gag lever post between the top inner wall of second rectangular hole and the bottom inner wall, gag lever post slidable mounting is in the third rectangular hole, fixed mounting has a plurality of springs between the right side inner wall of third rectangular hole and the right side of gag lever post, the right-hand member of clearance brush-holder stud inlays and is equipped with the ball, the ball is located between.
Preferably, the right side fixed mounting of fixed block has the installation piece, and the rectangular channel has all been seted up to the left side top and the left side bottom of filtering and cleaning case, the outer side movable contact of the inner wall of rectangular channel and the installation piece that corresponds, and the thread groove has been seted up at the top of the installation piece that lies in the top in two installation pieces, and thread groove internal thread cover is equipped with fastening bolt, and fastening bolt's top extends to the top of filtering and cleaning case, and filtering and cleaning case thread bush is established on fastening bolt.
Preferably, the top of the left side of the return-shaped plate and the bottom of the left side of the return-shaped plate are both fixedly provided with a connecting rod, and the left end of the connecting rod is fixedly connected with the right side of the annular plate.
Preferably, the top of the movable rod is provided with a threaded hole and a fourth rectangular hole, the threaded hole is in threaded connection with the screw rod, and the inner wall of the fourth rectangular hole is in sliding connection with the outer side of the positioning rod.
Preferably, the inner wall of the second rectangular hole is in sliding connection with the outer side of the cleaning brush rod.
Preferably, the front side and the rear side of the mounting rod are slidably connected with the front side inner wall and the rear side inner wall of the first rectangular hole, respectively.
Preferably, a first bearing is fixedly installed on the inner wall of the bottom of the filtering and cleaning box, a sealing bearing is fixedly installed on the inner wall of the top of the filtering and cleaning box, and the inner side of an inner ring of the sealing bearing and the inner side of an inner ring of the first bearing are fixedly connected with the outer side of the screw rod.
Compared with the prior art, the beneficial effects of the utility model are that:
through a protective box, a self-priming pump, a water meter, a filtering cleaning box, a return plate, a filter screen, an annular plate, a fixed block, a screw rod, a driving motor, a movable rod, a positioning rod, an installation rod, an arc-shaped lug, a first rectangular hole, a cleaning brush rod, a second rectangular hole, a limiting rod and a spring, the water in the field is extracted through a water inlet end of the self-priming pump, the filter screen filters and shields the extracted impurities and soil in the water, the soil easily blocks meshes of the filter screen in the filtering process, when the meshes of the filter screen need to be dredged and cleaned, the driving motor is started in a positive direction to drive the screw rod to rotate, the movable rod is driven to move downwards while the screw rod rotates, the movable rod drives the cleaning brush rod to move downwards, the cleaning brush rod drives the ball to move downwards and extrude the arc-shaped lug below the cleaning brush rod, the extrusion force drives the cleaning brush rod to move leftwards through the ball and, the cleaning brush is driven to poke and press leftwards into meshes of the filter screen while the cleaning brush rod moves, so that blocked impurities in the meshes of the filter screen are poked out, the cleaning brush rod is driven by the moving rod to continuously move downwards, when the cleaning brush rod drives balls to move between two corresponding arc-shaped bumps, the elastic force of the spring resets and drives the cleaning brush to move out of the meshes of the filter screen through the cleaning brush rod, the moving rod continuously moves downwards, the cleaning brush rod drives the cleaning brush to do left-right circular movement to poke and press the meshes of the filter screen under the matching of the arc-shaped bumps, the impurities in the filter screen are poked out under the action of poking pressure, the aim of dredging the filter screen is fulfilled, when the moving rod moves to the bottom of the moving rod to be in contact with the inner wall of the bottom of the return-shaped plate, the driving motor is reversely started, the moving rod drives the cleaning brush to do left-right circular movement while driving the cleaning brush to do the upward movement and continue poking and pressing and dredging of the meshes of the filter, the fastening bolt is rotated in the positive direction, and the filter screen can be taken out to be thoroughly cleaned.
The utility model relates to a rationally, be convenient for when the operation of drawing water, clear up the mediation to the filter screen automatically, avoid appearing the phenomenon that the filter screen seriously blockked up at the in-process that draws water, guarantee normally to draw water and measure the operation, and can take out the filter screen and thoroughly clear up, satisfy the user demand, be favorable to the use.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a device for measuring small flow water flow by using a self-priming pump and a flowmeter according to the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.
In the figure: 1 protecting box, 2 self priming pumps, 3 water gauge batch meters, 4 filtration cleaning tanks, 5 return shaped plates, 6 filter screens, 7 annular plates, 8 fixed blocks, 9 screw rods, 10 driving motor, 11 carriage release levers, 12 locating levers, 13 installation poles, 14 arc lugs, 15 first rectangular holes, 16 clearance brush-holder stud, 17 second rectangular holes, 18 gag lever posts, 19 springs, 20 balls.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a device for measuring small flow water flow by using a self-priming pump and a flow meter, comprising a protective box 1, a self-priming pump 2 fixedly arranged on the inner wall of the bottom of the protective box 1 and a water meter 3 fixedly arranged at the end part of the water outlet end of the self-priming pump 2, wherein a cover plate is rotatably arranged at one side of the top of the protective box 1, the other side of the top of the protective box 1 is fixed with the cover plate by screw thread, a storage battery positioned above the self-priming pump 2 is fixedly arranged on the inner wall of the left side of the protective box 1, the storage battery is electrically connected with the self-priming pump 2, the water inlet end of the self-priming pump 2 extends to the left side of the protective box 1 and is fixedly provided with an L-shaped pipe, a filtering and cleaning box 4 is fixedly sleeved on the L-shaped pipe, the left side of the filtering and cleaning box 4 is arranged as an outlet, a return plate 5 is, the left side of the annular plate 7 is flush with the left side of the filtering and cleaning box 4, fixed blocks 8 are fixedly arranged at the top and the bottom of the left side of the annular plate 7, the fixed block 8 positioned above the two fixed blocks 8 is fixed at the left side of the filtering and cleaning box 4 in a threaded manner, a U-shaped handle is fixedly arranged at the left side of the fixed block 8 positioned above the two fixed blocks 8, a screw 9 is rotatably arranged on the inner wall of the bottom of the filtering and cleaning box 4, an installation box with an opening at the bottom is fixedly arranged at the top of the filtering and cleaning box 4, a driving motor 10 positioned in the installation box is fixedly arranged at the top of the filtering and cleaning box 4, an output shaft of the driving motor 10 extends into the filtering and cleaning box 4 and is fixedly connected with the top end of the screw 9, a moving rod 11 is sleeved on the screw 9 in a threaded manner, the left end of the moving rod 11 extends into the return-shaped plate 5, and a, the movable rod 11 is sleeved on the positioning rod 12 in a sliding manner, a first rectangular hole 15 is formed in the top of the movable rod 11, a mounting rod 13 is fixedly mounted between the top inner wall and the bottom inner wall of the filtering and cleaning box 4, the mounting rod 13 is positioned in the first rectangular hole 15, a plurality of arc-shaped lugs 14 are fixedly mounted on the left side of the mounting rod 13, a cleaning brush rod 16 is arranged in the first rectangular hole 15, a second rectangular hole 17 is formed in the left inner wall of the first rectangular hole 15, the left end of the cleaning brush rod 16 penetrates through the second rectangular hole 17 and extends into the return plate 5 and is provided with cleaning bristles, the left side of the cleaning bristles is in movable contact with the right side of the filter screen 6, a third rectangular hole is formed in the top of the cleaning brush rod 16, a limiting rod 18 is fixedly mounted between the top inner wall and the bottom inner wall of the second rectangular hole 17, the limiting rod 18 is slidably mounted in the third rectangular hole, a plurality of springs 19 are fixedly mounted between the right inner wall of the third, the right-hand member of clearance brush-holder stud 16 is inlayed and is equipped with ball 20, and ball 20 is located between two arc lugs 14 that correspond, ball 20 and the 14 looks adaptations of arc lug, the utility model relates to a rationally, be convenient for when the operation of drawing water, clear up the mediation to filter screen 6 automatically, avoid the phenomenon that filter screen 6 seriously blockked up appearing at the in-process that draws water, guarantee normally to draw water and measure the operation, and can take out filter screen 6 and thoroughly clear up, satisfy the user demand, be favorable to using.
In the utility model, the right side of the fixed block 8 is fixedly provided with a mounting block, the left top and the left bottom of the filtering and cleaning box 4 are both provided with rectangular grooves, the inner wall of the rectangular groove is movably contacted with the outer side of the corresponding mounting block, the top of the mounting block positioned above the two mounting blocks is provided with a thread groove, the thread groove is internally threaded with a fastening bolt, the top of the fastening bolt extends to the upper side of the filtering and cleaning box 4, the thread groove of the filtering and cleaning box 4 is sleeved on the fastening bolt, the left top and the left bottom of the clip 5 are both fixedly provided with a connecting rod, the left end of the connecting rod is fixedly connected with the right side of the annular plate 7, the top of the movable rod 11 is provided with a threaded hole and a fourth rectangular hole, the threaded hole is in threaded connection with the screw rod 9, the inner wall of the fourth rectangular hole is in sliding connection with the outer side of the positioning rod 12, the utility model relates to a rationally, be convenient for dredge when the operation of drawing water, clear up filter screen 6 automatically, avoid the phenomenon that filter screen 6 seriously blockked up appearing at the in-process that draws water, guarantee normally to draw water and measure the operation, and can take out filter screen 6 and thoroughly clear up, satisfy the user demand, be favorable to using with the front side inner wall and the rear side inner wall sliding connection of first rectangular hole 15 respectively of the front side and rear side of installation pole 13, fixed mounting has first bearing on the bottom inner wall of filtration cleaning box 4, and fixed mounting has sealed bearing on the top inner wall of filtration cleaning box 4, and sealed bearing's inner circle inboard and the inner circle inboard of first bearing all with screw rod 9's outside fixed connection, the utility model relates to a normally draws water and measures the operation, and can take out.
The working principle is as follows: when the water meter drainage device is used, water in the field is extracted through the water inlet end of the self-sucking pump 2, the L-shaped pipe and the filtering and cleaning box 4, the extracted water is discharged through the filtering and cleaning box 4, the filter screen 6 and the output end of the self-sucking pump 2 in sequence, the water meter metering gauge 3 measures the discharged water flow in the drainage process, the water flow in the field is further measured, and meanwhile, impurities and soil in the extracted water are shielded by the filter screen 6, so that the soil and the impurities are shielded on the left side of the filter screen 6;
and soil is easy to block the meshes of the filter screen 6 in the filtering process, when the meshes of the filter screen 6 need to be dredged and cleaned, the driving motor 10 is started in a positive direction, the output shaft of the driving motor 10 drives the screw rod 9 to rotate, under the action of a threaded hole formed in the top of the moving rod 11, the screw rod 9 drives the moving rod 11 to move downwards while rotating, the moving rod 11 slides downwards on the positioning rod 12, the moving rod 11 drives the cleaning brush rod 16 to move downwards while moving downwards, the cleaning brush rod 16 drives the balls 20 to move downwards while moving downwards, the balls 20 press the arc-shaped lug 14 below the balls 20 while moving downwards, the ball 20 is driven by the extrusion force to move leftwards, the cleaning brush rod 16 drives the cleaning brush rod 16 to move leftwards while compressing the spring 19, the cleaning brush is driven to poke leftwards into the meshes of the filter screen 6 while moving the cleaning brush rod 16, under the action of poking pressure, blocked impurities in meshes of the filter screen 6 are poked out, the moving rod 11 drives the cleaning brush rod 16 to continuously move downwards, when the cleaning brush rod 16 drives the balls 20 to move between two corresponding arc-shaped convex blocks 14, the spring 19 in a compressed state is reset at the moment, the elastic force of the spring 19 drives the cleaning brush rod 16 to move rightwards, the cleaning brush rod 16 drives the cleaning brush to move out of the meshes on the filter screen 6, the moving rod 11 continuously moves downwards, under the cooperation of the arc-shaped convex blocks 14, the cleaning brush rod 16 drives the cleaning brush to move left and right circularly to poke the meshes on the filter screen 6, under the action of poking pressure, the impurities in the filter screen 6 are poked out to achieve the purpose of dredging the filter screen 6, when the moving rod 11 moves to the bottom of the moving rod to be in contact with the inner wall of the bottom of the clip plate 5, the driving motor 10 is reversely started, the movable rod 11 moves upwards, and meanwhile, the cleaning brush rod 16 drives the cleaning brush to move left and right circularly and continue to poke and press meshes on the filter screen 6;
when filter screen 6 is taken out from filtering cleaning box 4 as required, fastening bolt is rotated in the forward direction, fastening bolt shifts out from the thread groove gradually in the pivoted, stimulate the U-shaped handle next left, the U-shaped handle drives and moves left rather than fixed block 8 of fixed connection, fixed block 8 drives annular plate 7 and moves left, annular plate 7 drives back shaped plate 5 through the connecting rod and moves left, it shifts out from filtering cleaning box 4 to return shaped plate 5 to drive filter screen 6, can thoroughly clean filter screen 6 this moment.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A device for measuring small-flow water flow by adopting a self-sucking pump and a flow meter comprises a protective box (1), the self-sucking pump (2) fixedly arranged on the inner wall of the bottom of the protective box (1) and a water meter metering gauge (3) fixedly arranged at the end part of the water outlet end of the self-sucking pump (2), wherein one side of the top of the protective box (1) is rotatably provided with a cover plate, the other side of the top of the protective box (1) is in threaded fixation with the cover plate, the device is characterized in that a storage battery positioned above the self-sucking pump (2) is fixedly arranged on the inner wall of the left side of the protective box (1), the storage battery is electrically connected with the self-sucking pump (2), the water inlet end of the self-sucking pump (2) extends to the left side of the protective box (1) and is fixedly provided with an L-shaped pipe, the L-shaped pipe is fixedly sleeved with a filtering and cleaning box (4), the, a filter screen (6) is fixedly sleeved in the return-shaped plate (5), a ring-shaped plate (7) movably sleeved in the filtering and cleaning box (4) is fixedly installed on the left side of the return-shaped plate (5), the left side of the ring-shaped plate (7) is flush with the left side of the filtering and cleaning box (4), fixed blocks (8) are fixedly installed at the top of the left side and the bottom of the left side of the ring-shaped plate (7), the fixed block (8) positioned above the two fixed blocks (8) is fixed on the left side of the filtering and cleaning box (4) in a threaded manner, a U-shaped handle is fixedly installed at the left side of the fixed block (8) positioned above the two fixed blocks (8), a screw rod (9) is rotatably installed on the inner wall of the bottom of the filtering and cleaning box (4), an installation box with the bottom arranged as an opening is fixedly installed at the top of the filtering and cleaning box (4), and a driving motor (10, an output shaft of a driving motor (10) extends into the filtering and cleaning box (4) and is fixedly connected with the top end of the screw rod (9), a moving rod (11) is sleeved on the screw rod (9) in a threaded manner, the left end of the moving rod (11) extends into the return-shaped plate (5), a positioning rod (12) is fixedly installed between the inner wall of the top part and the inner wall of the bottom part of the filtering and cleaning box (4), the moving rod (11) is sleeved on the positioning rod (12) in a sliding manner, a first rectangular hole (15) is formed in the top part of the moving rod (11), a mounting rod (13) is fixedly installed between the inner wall of the top part and the inner wall of the bottom part of the filtering and cleaning box (4), the mounting rod (13) is located in the first rectangular hole (15), a plurality of arc-shaped convex blocks (14) are fixedly installed on the left side of the mounting rod (13), a cleaning brush rod (16) is arranged in the first rectangular hole (15), a, the left end of clearance brush-holder stud (16) runs through second rectangular hole (17) and extends to in returning shape board (5) and be equipped with the clearance brush hair, the left side of clearance brush hair and the right side movable contact of filter screen (6), the third rectangular hole has been seted up at the top of clearance brush-holder stud (16), fixed mounting has gag lever post (18) between the top inner wall of second rectangular hole (17) and the bottom inner wall, gag lever post (18) slidable mounting is in the third rectangular hole, fixed mounting has a plurality of springs (19) between the right side inner wall of the right side of third rectangular hole and gag lever post (18), the right-hand member of clearance brush-holder stud (16) is inlayed and is equipped with ball (20), ball (20) are located between two arc lug (14) that correspond, ball (20) and arc lug (14) looks adaptation.
2. The device for measuring the small flow water flow by the aid of the self-sucking pump and the flowmeter according to claim 1, wherein the mounting block is fixedly mounted on the right side of the fixing block (8), rectangular grooves are formed in the top and the bottom of the left side of the filtering and cleaning box (4), the inner wall of each rectangular groove is in movable contact with the outer side of the corresponding mounting block, thread grooves are formed in the tops of the mounting blocks above the two mounting blocks, fastening bolts are sleeved in the thread grooves, the tops of the fastening bolts extend to the upper side of the filtering and cleaning box (4), and the thread sleeves of the filtering and cleaning box (4) are arranged on the fastening bolts.
3. The device for measuring small-flow water flow by using the self-priming pump and the flowmeter as claimed in claim 1, wherein the top and the bottom of the left side of the return plate (5) are both fixedly provided with a connecting rod, and the left end of the connecting rod is fixedly connected with the right side of the annular plate (7).
4. The device for measuring small-flow water flow by using the self-priming pump and the flowmeter as claimed in claim 1, wherein the top of the moving rod (11) is provided with a threaded hole and a fourth rectangular hole, the threaded hole is in threaded connection with the screw rod (9), and the inner wall of the fourth rectangular hole is in sliding connection with the outer side of the positioning rod (12).
5. The device for measuring small water flows with self-priming pump and flowmeter of claim 1, characterized in that the inner wall of said second rectangular hole (17) is slidably connected to the outer side of the cleaning brush bar (16).
6. The device for measuring small water flows with self-priming pump and flowmeter of claim 1, characterized in that the front and rear sides of the mounting rod (13) are slidably connected to the front and rear inner walls of the first rectangular hole (15), respectively.
7. The device for measuring small-flow water flow by using the self-priming pump and the flowmeter as claimed in claim 1, wherein the inner wall of the bottom of the filtering and cleaning box (4) is fixedly provided with a first bearing, the inner wall of the top of the filtering and cleaning box (4) is fixedly provided with a sealing bearing, and the inner side of the inner ring of the sealing bearing and the inner side of the inner ring of the first bearing are fixedly connected with the outer side of the screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021765339.8U CN212539315U (en) | 2020-08-21 | 2020-08-21 | Device for measuring small-flow water flow by adopting self-priming pump and flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021765339.8U CN212539315U (en) | 2020-08-21 | 2020-08-21 | Device for measuring small-flow water flow by adopting self-priming pump and flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN212539315U true CN212539315U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021765339.8U Expired - Fee Related CN212539315U (en) | 2020-08-21 | 2020-08-21 | Device for measuring small-flow water flow by adopting self-priming pump and flowmeter |
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| CN (1) | CN212539315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067542A (en) * | 2021-03-11 | 2021-07-02 | 巢湖学院 | Continuous power supply guarantee device for floating body stability experiment |
-
2020
- 2020-08-21 CN CN202021765339.8U patent/CN212539315U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067542A (en) * | 2021-03-11 | 2021-07-02 | 巢湖学院 | Continuous power supply guarantee device for floating body stability experiment |
| CN113067542B (en) * | 2021-03-11 | 2021-12-28 | 巢湖学院 | Continuous power supply guarantee device for floating body stability experiment |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 Termination date: 20210821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |