CN217501951U - Adjustable low-speed water outlet pumping device - Google Patents

Abstract

The utility model discloses a low-speed pumping device who goes out water with adjustable, including the U-shaped base, the top left side fixedly connected with extension board of U-shaped base, the left side fixedly connected with frequency conversion controller of extension board, the pumping box that the right side fixedly connected with right side of extension board set up for the opening, and the right side thread tightening of pumping box has the apron, and the right side fixed mounting of apron has inverter motor with frequency conversion controller electric connection, the top and the bottom of pumping box all communicate and are fixed with one-way water subassembly that leads to. The utility model discloses a detect water velocity of flow and discharge, the cooperation is passed through variable frequency controller according to flow rate control inverter motor rotational speed to realize controlling the mode that the pump drainage piston removed pump drainage speed, can automatic accurate ration accuse is fast to be drawn water, reduces the disturbance degree to groundwater, makes the disturbance degree guarantee within the requirement scope, and need not personnel and is keeping on the adjustment, makes things convenient for personnel to use.

Description

Adjustable low-speed water outlet pumping device

Technical Field

The utility model relates to a pumping equipment technical field especially relates to a low-speed pumping device who goes out water with adjustable.

Background

In the requirements of the environmental protection department on groundwater sampling and detection, strict specifications are provided for groundwater extraction flow: 1. the specified extraction flow rate is not higher than 0.5l/min, so that the disturbance on water is small, and the measurement precision of VOCs in the existing underground water monitoring index is not influenced; 2. before underground water sampling, an underground water well needs to be cleaned in a mode of extracting 3-5 times of the current well water volume, and after new underground water seeps into the well again, various detection indexes are initially stable, and then sampling inspection is carried out.

The current work has the following difficulties: the number of water pumps meeting the requirements in the market is very small, the flow and the lift parameters cannot meet the underground water well washing standard, and the water pumps are not controlled like frequency conversion or servo motors, so that the pumping force is difficult to control accurately, and the water disturbance is too large;

in summary, a low-speed water outlet device capable of automatically, precisely, quantitatively and rapidly pumping water is needed, and in view of this, an adjustable low-speed water outlet pumping device is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable low-speed water outlet pumping device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a water pumping device capable of discharging water at a low speed in an adjustable mode comprises a U-shaped base, wherein a supporting plate is fixedly connected to the left side of the top of the U-shaped base, a variable frequency controller is fixedly connected to the left side of the supporting plate, a water pumping box with an opening is fixedly connected to the right side of the supporting plate, a cover plate is fixed to the right side of the water pumping box through threads, a variable frequency motor electrically connected with the variable frequency controller is fixedly installed on the right side of the cover plate, and the arranged variable frequency controller is used for controlling the rotating speed of the variable frequency motor;

the top and the bottom of the pumping box are all communicated and fixed with an one-way water-flowing component, the top of the one-way water-flowing component positioned above is communicated and fixed with a flow velocity meter, the water outlet of the flow velocity meter is communicated and fixed with a flow meter, the flow velocity meter and the flow meter are all electrically connected with a frequency conversion controller, the water outlet of the flow meter and the bottom of the one-way water-flowing component positioned below are all communicated and fixed with an external thread connecting pipe head, the one-way water-flowing component positioned below is used for pumping water into the pumping box, the one-way water-flowing component positioned above is used for upwards draining, the pumping box inner seal sliding sleeve is equipped with two one-way water passing component matched with pump drainage piston, and the left side of apron inlays and is equipped with the reciprocal screw thread drive direction subassembly that is fixed with pump drainage piston right side fixed connection, and reciprocal screw thread drive direction subassembly is used for driving the reciprocal right-left movement of pump drainage piston, and the right-hand member of reciprocal screw thread drive direction subassembly and inverter motor's output shaft left end fixed connection.

Preferably, the one-way water passing assembly comprises a first one-way valve and a second one-way valve, the tops of the two first one-way valves are respectively communicated and fixed at the top and the bottom of the water pumping box, the tops of the two second one-way valves are respectively communicated and fixed at the top and the bottom of the water pumping box, the second one-way valve is positioned at the right side of the corresponding first one-way valve, the pumping piston is positioned between the first one-way valve and the second one-way valve, one sides of the first one-way valve and the corresponding second one-way valve, which are far away from the water pumping box, are communicated and fixed with a same U-shaped pipe, the top of the U-shaped pipe positioned above is communicated and fixed with the water inlet of the flow meter, the bottom of the U-shaped pipe positioned below is communicated and fixed with the top end of the external threaded connector head below, the arranged first one-way valve, the second one-way valve and the U-shaped pipe are matched with the pumping piston, and can pump water in the water pumping box below when the pumping piston moves to the right and left, and discharged upwardly into the flowmeter.

Preferably, reciprocal screw thread drive direction subassembly is including inlaying the dress and fixing at the left rectangle inner tube of apron, the sealed sliding sleeve in the outside of rectangle inner tube is equipped with the rectangle pipe with pump drainage piston right side fixed connection, sliding sleeve is equipped with the rectangular pipe in the rectangle inner tube, the left end of rectangular pipe establish to the block structure and with pump drainage piston's right side fixed connection, the reciprocal silk cover of fixedly connected with between the top inner wall of rectangular pipe and the bottom inner wall, reciprocal silk cover internal thread cover is equipped with the reciprocal lead screw of rotation installation in the rectangle inner tube, the right-hand member of reciprocal lead screw and inverter motor's output shaft left end fixed connection, the rectangle inner tube and the cooperation of rectangle pipe that set up, can lead to pump drainage piston right and left, the reciprocal lead screw of setting, reciprocal silk cover rectangular pipe and inverter motor cooperation, can drive pump drainage piston reciprocal right and left movement.

Preferably, four corners of the bottom of the U-shaped base are rotatably provided with universal wheels with locks.

Preferably, a sealing rubber sleeve is fixedly bonded on the inner side of the rectangular conduit, and the inner side of the sealing rubber sleeve is connected with the outer side of the rectangular inner tube in a sliding manner.

Preferably, the left end of the reciprocating lead screw is fixedly connected with a stop block positioned on the left side of the reciprocating screw sleeve.

Preferably, a bearing is fixedly connected between the top inner wall and the bottom inner wall of the rectangular inner tube, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the reciprocating screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the four universal wheels with locks are arranged to facilitate the movement of personnel;

the pumping piston can be driven to reciprocate right and left to perform continuous pumping and drainage work by matching the arranged variable frequency controller, the variable frequency motor, the pumping box, the pumping piston and the reciprocating thread driving guide assembly with the one-way water passing assembly;

through the velocity meter that sets up, the flowmeter, frequency conversion controller and inverter motor cooperation, can be respectively to the velocity of flow and the water yield detection of water, and can utilize frequency conversion controller to change the rotational speed according to water velocity control inverter motor, with this can change the reciprocal right side left movement pump drainage speed of pump drainage piston, with this can accurate control water velocity, when the water yield reaches the default, frequency conversion controller controls inverter motor and closes, stop pump drainage work, realize the automatic purpose that accurate ration accuse speed was drawn water.

The utility model discloses a detect water velocity of flow and discharge, the cooperation is passed through variable frequency controller according to flow rate control inverter motor rotational speed to realize controlling the mode that the pump drainage piston removed pump drainage speed, can automatic accurate ration accuse is fast to be drawn water, reduces the disturbance degree to groundwater, makes the disturbance degree guarantee within the requirement scope, and need not personnel and is keeping on the adjustment, makes things convenient for personnel to use.

Drawings

Fig. 1 is a schematic structural view of a pumping device capable of discharging water at a low speed and being adjustable in size;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of the portion A in FIG. 2;

fig. 4 is a schematic view of the three-dimensional structure of the rectangular conduit and the rectangular inner tube connecting piece of the pumping device with adjustable low-speed water outlet provided by the utility model.

In the figure: 1. a U-shaped base; 2. a support plate; 3. a water pumping box; 4. a first check valve; 5. a second one-way valve; 6. a U-shaped tube; 7. a flow rate meter; 8. a flow meter; 9. a variable frequency controller; 10. a pumping piston; 11. a cover plate; 12. a rectangular conduit; 13. a rectangular tube; 14. a rectangular inner tube; 15. a reciprocating thread sleeve; 16. a reciprocating screw; 17. a variable frequency motor; 18. the external thread is connected with the pipe head.

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. 1-4, an adjustable low-speed water pumping device comprises a U-shaped base 1, universal wheels with locks are rotatably mounted at four corners of the bottom of the U-shaped base 1, and an effect of convenient movement is achieved, a support plate 2 is fixedly connected to the left side of the top of the U-shaped base 1, a variable frequency controller 9 is fixedly connected to the left side of the support plate 2, a water pumping box 3 with an opening at the right side is fixedly connected to the right side of the support plate 2, a cover plate 11 is fixedly arranged on the right side of the water pumping box 3 through threads, a variable frequency motor 17 electrically connected with the variable frequency controller 9 is fixedly mounted on the right side of the cover plate 11, and the set variable frequency controller 9 is used for controlling the rotating speed of the variable frequency motor 17;

the top and the bottom of the water pumping box 3 are communicated and fixed with one-way water passing components, the top of the one-way water passing component positioned above is communicated and fixed with a flow meter 7, the flow meter 7 is used for detecting the flow rate of water, the water outlet of the flow meter 7 is communicated and fixed with a flow meter 8, the flow meter 8 is used for measuring the water quantity, the flow meter 7 and the flow meter 8 are electrically connected with a frequency conversion controller 9, the flow meter 7 and the flow meter 8 respectively transmit the measured flow rate and water quantity values to the frequency conversion controller 9, the water outlet of the flow meter 8 and the bottom of the one-way water passing component positioned below are communicated and fixed with an external thread connecting pipe head 18, the one-way water passing component positioned below is used for pumping water into the water pumping box 3, the one-way water passing component positioned above is used for upwards draining water, a pumping and discharging piston 10 matched with the two one-way water passing components is sleeved in the water pumping box 3 in a sealing and sliding manner, wherein the one-way water passing assembly comprises a first one-way valve 4 and a second one-way valve 5, the tops of the two first one-way valves 4 are respectively communicated and fixed at the top and the bottom of the water pumping box 3, the tops of the two second one-way valves 5 are respectively communicated and fixed at the top and the bottom of the water pumping box 3, the second one-way valve 5 is positioned at the right side of the corresponding first one-way valve 4, the pumping piston 10 is positioned between the first one-way valve 4 and the second one-way valve 5, the first one-way valve 4 and the corresponding second one-way valve 5 are communicated and fixed with the same U-shaped pipe 6 at one side far away from the water pumping box 3, the top of the U-shaped pipe 6 positioned above is communicated and fixed with the water inlet of the flow meter 7, the bottom of the U-shaped pipe 6 positioned below is communicated and fixed with the top end of the external thread connecting pipe head 18 below, the first one-way valve 4, the second one-way valve 5 and the U-shaped pipe 6 are matched with the pumping piston 10, when the pumping piston 10 moves to the right and left in a reciprocating manner, water below the pumping piston can be pumped into the pumping box 3 and is upwards discharged into the flow meter 7;

a reciprocating thread driving guide assembly fixedly connected with the right side of the pumping piston 10 is fixedly embedded in the left side of the cover plate 11 and used for driving the pumping piston 10 to reciprocate leftwards and rightwards, the right end of the reciprocating thread driving guide assembly is fixedly connected with the left end of an output shaft of a variable frequency motor 17, wherein the reciprocating thread driving guide assembly comprises a rectangular inner tube 14 embedded and fixed on the left side of the cover plate 11, a rectangular guide tube 12 fixedly connected with the right side of the pumping piston 10 is hermetically and slidably sleeved on the outer side of the rectangular inner tube 14, a sealing rubber sleeve is fixedly bonded on the inner side of the rectangular guide tube 12, the inner side of the sealing rubber sleeve is slidably connected with the outer side of the rectangular inner tube 14 to achieve the effect of sliding sealing between the rectangular guide tube 12 and the rectangular inner tube 14, a rectangular tube 13 is slidably sleeved in the rectangular inner tube 14, and the left end of the rectangular tube 13 is arranged into a blocking structure and fixedly connected with the right side of the pumping piston 10, fixedly connected with reciprocal silk cover 15 between the top inner wall of rectangular pipe 13 and the bottom inner wall, reciprocal silk cover 15 internal thread cover is equipped with the reciprocal lead screw 16 of rotation installation in rectangular inner tube 14, utilize reciprocal silk cover 15 and reciprocal lead screw 16's threaded connection relation, play the effect of convenient reciprocal right and left removal of drive reciprocal silk cover 15 when reciprocal lead screw 16 rotates, the left end fixedly connected with of reciprocal lead screw 16 is located the left dog of reciprocal silk cover 15, fixedly connected with bearing between rectangular inner tube 14's top inner wall and the bottom inner wall, the inboard and the outside fixed connection of reciprocal lead screw 16 of inner circle of bearing, play the effect to reciprocal lead screw 16 rotation support, the right-hand member of reciprocal lead screw 16 and the output shaft left end fixed connection of inverter motor 17, rectangular inner tube 14 that sets up cooperates with rectangular pipe 12, can be to pump piston 10 right and left direction, the reciprocal lead screw 16 that sets up, Reciprocal screw sleeve 15 rectangular pipe 13 and inverter motor 17 cooperation can drive pump drainage piston 10 right side left removal that reciprocates, the utility model discloses a detect water flow velocity and discharge, the cooperation is passed through variable frequency controller 9 and is based on velocity of flow control inverter motor 17 rotational speed to realize controlling the mode that pump drainage piston 10 removed pump drainage speed, can automatic accurate ration accuse speed and draw water, reduce the disturbance degree to groundwater, make the disturbance degree can guarantee within the required scope, and need not personnel to keep on the adjustment, the convenience of customers uses.

The working principle is as follows: when the device is used, four universal wheels with locks are arranged to facilitate the movement of personnel, when water needs to be pumped, the external thread connecting pipe head 18 at the lower part is connected with an external water pumping hose, the external thread connecting pipe head 18 at the upper part is connected with an external drainage pipeline, one end of the external water pumping hose is put into a well, when the water is pumped at a fixed speed, the preset value of the variable frequency controller 9 is utilized for controlling the flow rate of the variable frequency motor 17 in a variable frequency mode, the variable frequency controller 9 is utilized for controlling the water flow value of the variable frequency motor 17 to be closed in a preset value, when the water is pumped, the variable frequency controller 9 controls the variable frequency motor 17 to be started, the output shaft of the variable frequency motor 17 drives the reciprocating lead screw 16 to rotate, the reciprocating lead screw 16 can drive the reciprocating screw sleeve 15 to move to the right and left in a reciprocating mode, the reciprocating screw sleeve 15 drives the rectangular pipe 13 to slide to the right and left in a reciprocating mode in the rectangular inner pipe 14, and the rectangular pipe 13 drives the pumping piston 10 to move to the right and left in a reciprocating mode, the pumping piston 10 drives the rectangular guide pipe 12 to slide on the rectangular inner pipe 14 in a reciprocating manner from left to right, wherein when the pumping piston 10 moves rightwards, the pumping piston pumps water into the water pumping box 3 through the first check valve 4 at the lower part, the U-shaped pipe 6 at the lower part, the external thread connecting pipe head 18 at the lower part and the external water pumping hose in sequence, and when the pumping piston 10 moves leftwards, the pumped water is squeezed, under the extrusion force, water is discharged into a flow meter 7 upwards through the first check valve 4 above and the U-shaped pipe 6 above, meanwhile, when the pumping piston 10 moves leftwards to drain water, the water is pumped continuously through the second one-way valve 5 below, the U-shaped pipe 6 below and the external thread connecting pipe head 18 below in sequence, when the pumping piston 10 moves rightwards again, water pumped in from the right side is sent into the flow meter 7 through the second one-way valve 5 above and the U-shaped pipe 6 above in sequence, and the like, so that water pumping and draining can be continuously performed;

water continuously upwards enters the flowmeter 8 after upwards entering the flowmeter 7, and is discharged into an external drainage pipeline through the external threaded connection pipe head 18 above, the flowmeter 7 detects the flow velocity of water, the flowmeter 8 measures the water quantity, when the water flow velocity is higher than a preset value, the variable frequency controller 9 controls the variable frequency motor 17 to carry out frequency conversion, so as to reduce the rotating speed of the variable frequency motor 17, further reduce the reciprocating right-left movement pumping speed of the pumping piston 10, thereby realizing accurate control of the water flow velocity, reduce the disturbance degree of underground water, ensure the disturbance degree to be within a required range, when the water quantity preset value reaches, the variable frequency controller 9 controls the variable frequency motor 17 to be closed, stop pumping and drainage work, realize the purpose of automatically and accurately quantitatively controlling the speed to pump water, and do not need personnel to keep on adjustment.

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. An adjustable low-speed water outlet pumping device comprises a U-shaped base (1), and is characterized in that a support plate (2) is fixedly connected to the left side of the top of the U-shaped base (1), a variable frequency controller (9) is fixedly connected to the left side of the support plate (2), a water pumping box (3) with the right side being provided with an opening is fixedly connected to the right side of the support plate (2), a cover plate (11) is fixed to the right side of the water pumping box (3) through threads, and a variable frequency motor (17) electrically connected with the variable frequency controller (9) is fixedly installed on the right side of the cover plate (11);

the top and the bottom of the pumping box (3) are communicated and fixed with an one-way water passing component, the top of the one-way water passing component positioned above is communicated and fixed with a flow velocity meter (7), the water outlet of the flow velocity meter (7) is communicated and fixed with a flowmeter (8), the flow velocity meter (7) and the flowmeter (8) are electrically connected with a variable frequency controller (9), the water outlet of the flowmeter (8) and the bottom of the one-way water passing component positioned below are communicated and fixed with an external thread connecting pipe head (18), the pump box (3) inner seal slip cover is equipped with two one-way water passing component matched with pump drainage piston (10), and the left side of apron (11) is inlayed and is equipped with the reciprocal screw thread drive direction subassembly that is fixed with pump drainage piston (10) right side fixed connection, and the right-hand member of reciprocal screw thread drive direction subassembly and the output shaft left end fixed connection of inverter motor (17).

2. The adjustable low-speed water outlet pumping device according to claim 1, wherein the one-way water passing assembly comprises a first one-way valve (4) and a second one-way valve (5), the tops of the two first one-way valves (4) are both outlets and are respectively communicated and fixed at the top and the bottom of the water pumping box (3), the tops of the two second one-way valves (5) are both outlets and are respectively communicated and fixed at the top and the bottom of the water pumping box (3), the second one-way valve (5) is positioned at the right side of the corresponding first one-way valve (4), the pumping piston (10) is positioned between the first one-way valve (4) and the second one-way valve (5), the first one-way valve (4) and the corresponding second one-way valve (5) far away from the water pumping box (3) are communicated and fixed with the same U-shaped pipe (6), the top of the U-shaped pipe (6) positioned above is communicated and fixed with the water inlet of the flow rate meter (7), the bottom of the U-shaped pipe (6) positioned below is communicated and fixed with the top end of the external thread connecting pipe head (18) positioned below.

3. The adjustable low-speed water outlet pumping device as claimed in claim 1, reciprocating screw drive direction subassembly is including inlaying the dress and fixing rectangle inner tube (14) on apron (11) left side, the sealed slip cover in the outside of rectangle inner tube (14) is equipped with rectangle pipe (12) with pump drainage piston (10) right side fixed connection, the slip cover is equipped with rectangle pipe (13) in rectangle inner tube (14), the left end of rectangle pipe (13) is established to block structure and with the right side fixed connection of pump drainage piston (10), fixedly connected with reciprocal silk cover (15) between the top inner wall of rectangle pipe (13) and the bottom inner wall, reciprocal silk cover (15) endotheca is equipped with reciprocal lead screw (16) of rotation installation in rectangle inner tube (14), the right-hand member of reciprocal lead screw (16) and the output shaft left end fixed connection of inverter motor (17).

4. The adjustable low-speed water outlet pumping device as claimed in claim 1, wherein four corners of the bottom of the U-shaped base (1) are rotatably provided with universal wheels with locks.

5. The adjustable low-speed water outlet pumping device as claimed in claim 3, wherein a sealing rubber sleeve is fixedly bonded on the inner side of the rectangular guide pipe (12), and the inner side of the sealing rubber sleeve is slidably connected with the outer side of the rectangular inner pipe (14).

6. The adjustable low-speed water outlet pumping device as claimed in claim 3, wherein a stop block positioned at the left side of the reciprocating screw sleeve (15) is fixedly connected to the left end of the reciprocating screw rod (16).

7. The adjustable low-speed water outlet pumping device as claimed in claim 3, wherein a bearing is fixedly connected between the top inner wall and the bottom inner wall of the rectangular inner pipe (14), and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the reciprocating screw rod (16).

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