CN215908054U

CN215908054U - High-precision metering pump

Info

Publication number: CN215908054U
Application number: CN202122108253.9U
Authority: CN
Inventors: 叶澜杰
Original assignee: Hubei Lansun Biochemistry Pharmaceutical Co ltd
Current assignee: Hubei Lansun Biochemistry Pharmaceutical Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-25
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a high-precision metering pump, which belongs to the technical field of metering pumps and comprises a metering pump body, wherein the lower surface of the metering pump body is fixedly connected with the upper surface of a fixed shell, the lower surface of the fixed shell is fixedly connected with the upper surface of a bottom plate, a sliding sleeve is arranged in the bottom plate, and the inner wall of the sliding sleeve is lapped with the outer surface of a sliding rod. This high accuracy measuring pump, through setting up the bottom plate, first pipe, the second pipe, sliding sleeve and air cushion, thereby because liquid has played radiating effect to this measuring pump through the tye, and when liquid got into the air pump, the air pump then can expand fast, thereby the pressure between bottom plate and the appointed position has been increased, and reverse promotion bottom plate removes, make this measurement can ensure the stability and the precision of its installation after the installation finishes, greatly reduced along with the operation of measuring pump body and lead to connecting the condition of not hard up measuring pump body range of removal grow gradually, the result of use of this measuring pump has been ensured.

Description

High-precision metering pump

Technical Field

The utility model belongs to the technical field of metering pumps, and particularly relates to a high-precision metering pump.

Background

The metering pump is generally used for controlling the fluid flow in the prior art, the conventional metering pump is mostly a gear metering pump, and the rotating speed of the gear metering pump is measured and calculated, so that the flow of the gear metering pump is obtained.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a high-precision metering pump, which solves the problems that the prior metering pump gear transmission structure inevitably generates mechanical collision along with the prolonging of service time, the swinging amount of a pump body is directly increased, the fluid metering precision of the pump body cannot be ensured, and the stability and the precision of the metering pump after the installation are difficult to ensure.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-precision metering pump, includes the measuring pump body, the lower surface of measuring pump body and the last fixed surface of fixed shell are connected, the lower surface of fixed shell and the last fixed surface of bottom plate are connected, be provided with the sliding sleeve in the bottom plate, the inner wall of sliding sleeve and the surface overlap joint of slide bar, the top and the spring bottom fixed connection of slide bar, the top of spring and the last fixed surface of sliding sleeve inner wall are connected, the last fixed surface of sliding sleeve is connected with first pipe, the bottom of first pipe is linked together through the upper surface of air inlet and sliding sleeve, the other end of first pipe passes the left end of fixed shell and control valve and communicates, the upper surface of sliding sleeve is linked together with the bottom of two second pipes respectively.

As a further scheme of the utility model: the other end of the second conduit is communicated with the top ends of the dredging pipes, the bottom ends of the two dredging pipes are communicated with the upper surface of the inner wall of the same water flowing groove, and the water flowing groove is formed in the upper surface of the bottom plate.

As a further scheme of the utility model: the lower surface of the inner wall of the water flowing groove is communicated with the upper surface of the air cushion through a water pipe, the air cushion and the water flowing groove are both in a shape like a Chinese character 'hui', and the upper surface of the air cushion is fixedly connected with the lower surface of the bottom plate.

As a further scheme of the utility model: the lower surface of fixed shell and the lower surface of bottom plate have all been seted up the mounting groove, and two mounting grooves are linked together, set up the inner wall fixed connection of mounting groove in the surface of sliding sleeve and the fixed shell.

As a further scheme of the utility model: the upper surface of bottom plate has seted up the screw, and the sealing washer has all been cup jointed to the surface of two dredging pipes, the lower surface of sealing washer and the upper surface fixed connection of bottom plate, the surface of slide bar is provided with sealed the pad.

(III) advantageous effects

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

1. the high-precision metering pump is provided with the bottom plate, the first conduit, the second conduit, the sliding sleeve and the air cushion, when a worker can be communicated with the external water pipe through the control valve before the bottom plate is installed, liquid can enter the sliding sleeve through the external water pipe at the moment, when the worker installs the metering pump, the liquid can enter the two second conduits due to the extrusion of the sliding rod and enter the water flowing groove and the air cushion along the second conduit and the dredging pipe, the liquid has the heat dissipation effect on the metering pump due to the fact that the liquid passes through the water flowing groove, and when the liquid enters the air pump, the air pump can expand rapidly, so that the pressure between the bottom plate and the appointed part is increased, the bottom plate is pushed reversely to move, the stability and the precision of installation of the metering pump can be guaranteed after the metering pump is installed, and the condition that the moving amplitude of the metering pump body is gradually increased due to loose connection along with the operation of the metering pump body is greatly reduced, the use effect of the metering pump is guaranteed.

2. This high-precision metering pump, through setting up spring and sliding sleeve, when using this metering pump, only need the staff to place this metering pump in appointed position, can align with the assigned position through the screw of bottom plate top afterwards, can fix the bottom plate through lead screw or bolt this moment, make that the staff can be convenient fix a position this metering pump, because the in-process spring at the installation can extrude the slide bar and move down, thereby increased the frictional force between lead screw and the screw, and then ensured the lead screw to the fixed stability of bottom plate.

3. This high accuracy measuring pump, through setting up the spring, when the staff need dismantle this measuring pump, dismantle external lead screw can, the spring then can drive the slide bar and reset this moment, because the slide bar then can change at the inside atmospheric pressure of the in-process sliding sleeve that removes, make gas and liquid in tye and the air cushion then can return to the sliding sleeve in, make the staff can be quick restore this measuring pump, thereby be convenient for retrieve and follow-up installation procedure, the use degree of difficulty of this measuring pump has been reduced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic three-dimensional sectional structure of the stationary housing of the present invention;

FIG. 3 is a schematic perspective sectional view of the sliding sleeve of the present invention;

FIG. 4 is an enlarged schematic view of the utility model at A;

in the figure: the device comprises a metering pump body 1, a fixed shell 2, a bottom plate 3, a sliding sleeve 4, a sliding rod 5, a spring 6, a first guide pipe 7, a control valve 8, a second guide pipe 9, a dredging pipe 10, a water flowing groove 11, an air cushion 12, a mounting groove 13 and a sealing ring 14.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a high-precision metering pump comprises a metering pump body 1, wherein the lower surface of the metering pump body 1 is fixedly connected with the upper surface of a fixed shell 2, the lower surface of the fixed shell 2 is fixedly connected with the upper surface of a bottom plate 3, a sliding sleeve 4 is arranged in the bottom plate 3, the inner wall of the sliding sleeve 4 is lapped with the outer surface of a sliding rod 5, the top end of the sliding rod 5 is fixedly connected with the bottom end of a spring 6, the top end of the spring 6 is fixedly connected with the upper surface of the inner wall of the sliding sleeve 4, a first conduit 7 is fixedly connected with the upper surface of the sliding sleeve 4, the bottom end of the first conduit 7 is communicated with the upper surface of the sliding sleeve 4 through an air inlet, the other end of the first conduit 7 passes through the fixed shell 2 to be communicated with the left end of a control valve 8, the upper surface of the sliding sleeve 4 is respectively communicated with the bottom ends of two second conduits 9, and liquid passes through a bottom plate 3, the first conduit 7, the second conduits 9, the sliding sleeve 4 and an air cushion 12, thereby achieving the heat dissipation effect on the metering pump, and when liquid got into in the air pump, the air pump then can expand fast to increased the pressure between bottom plate 3 and the appointed position, and reversely promoted bottom plate 3 and removed, made this measurement can ensure the stability and the precision of its installation after the installation finishes, greatly reduced along with the operation of measuring pump body 1 and lead to connecting the condition that not hard up measuring pump body 1 range of motion grow gradually, ensured the result of use of this measuring pump.

Specifically, as shown in fig. 1 and 2, the other end of the second conduit 9 is communicated with the top ends of the dredging pipes 10, the bottom ends of the two dredging pipes 10 are communicated with the upper surface of the inner wall of the same flume 11, the flume 11 is arranged on the upper surface of the bottom plate 3, and due to the arrangement of the spring 6, a worker can quickly restore the metering pump, so that the recycling and subsequent installation steps are facilitated, the difficulty in using the metering pump is reduced, the lower surface of the inner wall of the flume 11 is communicated with the upper surface of the air cushion 12 through a water pipe, the air cushion 12 and the flume 11 are both in a shape of a Chinese character 'hui', and the upper surface of the air cushion 12 is fixedly connected with the lower surface of the bottom plate 3.

Specifically, as shown in fig. 1 and 3, the lower surface of the fixed housing 2 and the lower surface of the bottom plate 3 are both provided with mounting grooves 13, and the sliding sleeve 4 is provided, so that a worker can conveniently position the metering pump, and the spring 6 can press the sliding rod 5 to move downwards in the installation process, so that the friction force between the screw rod and the screw hole is increased, and further the stability of the screw rod for fixing the bottom plate 3 is ensured, and the two mounting grooves 13 are communicated, the outer surface of the sliding sleeve 4 is fixedly connected with the inner wall of the fixed housing 2, which is provided with the mounting grooves 13, the upper surface of the bottom plate 3 is provided with the screw hole, and the outer surfaces of the two dredging pipes 10 are both sleeved with sealing rings 14, and because the sealing gaskets are provided, in the moving process of the sliding rod 5, the air in the sliding sleeve 4 and the liquid in the sliding sleeve 4 are not easy to overflow along the gap between the sliding sleeve 4 and the sliding rod 5, so that the sealing performance inside the sliding sleeve 4 is ensured, the lower surface of the sealing ring 14 is fixedly connected with the upper surface of the bottom plate 3, and the outer surface of the sliding rod 5 is provided with a sealing gasket.

The working principle of the utility model is as follows:

s1, when the metering pump is used, a worker only needs to place the metering pump at a specified position, then the metering pump can be aligned with the specified position through a screw hole above the bottom plate 3, and at the moment, the bottom plate 3 can be fixed through a screw rod or a bolt;

s2, when a worker connects the external water pipe through the control valve 8 before the bottom plate 3 is installed, liquid enters the sliding sleeve 4 through the external water pipe, so that when the worker installs the metering pump, the liquid enters the two second guide pipes 9 by being squeezed by the sliding rod 5 and enters the water flowing groove 11 and the air cushion 12 along the second guide pipes 9 and the dredging pipe 10;

s3, when the staff needs to disassemble the metering pump, the external screw rod is disassembled, at the moment, the spring 6 can drive the sliding rod 5 to reset, and because the air pressure inside the sliding sleeve 4 can change in the moving process of the sliding rod 5, the air and liquid in the water flowing groove 11 and the air cushion 12 can return to the inside of the sliding sleeve 4.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A high-precision metering pump comprises a metering pump body (1), and is characterized in that: the lower surface of the metering pump body (1) is fixedly connected with the upper surface of the fixed shell (2), the lower surface of the fixed shell (2) is fixedly connected with the upper surface of the bottom plate (3), a sliding sleeve (4) is arranged in the bottom plate (3), the inner wall of the sliding sleeve (4) is lapped with the outer surface of the sliding rod (5), the top end of the sliding rod (5) is fixedly connected with the bottom end of the spring (6), the top end of the spring (6) is fixedly connected with the upper surface of the inner wall of the sliding sleeve (4), the upper surface of the sliding sleeve (4) is fixedly connected with a first conduit (7), the bottom end of the first conduit (7) is communicated with the upper surface of the sliding sleeve (4) through an air inlet, the other end of the first conduit (7) passes through the fixed shell (2) and is communicated with the left end of the control valve (8), the upper surface of the sliding sleeve (4) is respectively communicated with the bottom ends of the two second guide pipes (9).

2. A high precision metering pump as claimed in claim 1, wherein: the other end of the second conduit (9) is communicated with the top ends of the dredging pipes (10), the bottom ends of the two dredging pipes (10) are communicated with the upper surface of the inner wall of the same water flowing groove (11), and the water flowing groove (11) is arranged on the upper surface of the bottom plate (3).

3. A high precision metering pump as claimed in claim 2, wherein: the lower surface of the inner wall of the launder (11) is communicated with the upper surface of the air cushion (12) through a water pipe, the air cushion (12) and the launder (11) are both in a shape of a Chinese character 'hui', and the upper surface of the air cushion (12) is fixedly connected with the lower surface of the bottom plate (3).

4. A high precision metering pump as claimed in claim 1, wherein: mounting groove (13) have all been seted up to the lower surface of fixed shell (2) and the lower surface of bottom plate (3), and two mounting grooves (13) are linked together, the inner wall fixed connection of setting up mounting groove (13) in the surface of sliding sleeve (4) and fixed shell (2).

5. A high precision metering pump as claimed in claim 2, wherein: the upper surface of bottom plate (3) has seted up the screw, and the surface of two dredging pipe (10) has all cup jointed sealing washer (14), the lower surface of sealing washer (14) and the upper surface fixed connection of bottom plate (3), the surface of slide bar (5) is provided with sealed the pad.