Metering pump with buffering and flow stabilizing functions

Abstract

The utility model provides a metering pump with buffering and flow stabilizing functions, which relates to the technical field of metering pumps and comprises a protective shell, a pump body is arranged at the top of the protective shell, an output end of one end of the pump body is fixedly communicated with an output pipe, one end of the output pipe fixedly penetrates to the outside of the protective shell, and the other end of the output pipe is fixedly communicated with the pump body. One side of the protective shell fixedly communicates with a branch pipe, one end of the branch pipe fixedly communicates with the input end of the pump body, one end of the branch pipe fixedly communicates with a buffer shell, one side of the buffer shell fixedly communicates with a metering sensor, and one side of the buffer shell fixedly communicates with an input pipe. The transmission pump and the storage box are matched, the first pipeline and the second pipeline are used for mutual circulation, the transmission pump and the first electromagnetic valve and the second electromagnetic valve on the first pipeline and the second pipeline are used for classified control, and therefore the buffering and flow stabilizing effects are achieved; and the storage capacity of the storage box can be further increased through the bag pipe, and the pressure intensity change adaptive capacity in the storage box can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metering pump especially relates to a metering pump with buffer steady flow function. BACKGROUND

[0002] In the prior art, such as the "a metering pump" of Chinese patent number: CN210265042U, including plunger cylinder, plunger, pump head support frame, power output pump body, eccentric wheel, connecting rod, worm gear shaft, worm gear, worm, transition positioning flange, motor transition flange, motor and power input pump body, through the matching inner spline on the push-pull rotating shaft and the setting of the worm gear and shaft type worm gear of outer spline sleeve, make the push-pull rotating shaft synchronous realization and mutual isolation and mutual non-interference telescopic rotary motion, through the gap on the plunger intermittent corresponding liquid flow passage realizes accurate liquid sending, does not need to install check valve, avoids the emergence of the situation that check valve is blocked, the special structure that plunger adopts O type sealing ring and sets polytetrafluoroethylene cylinder makes the movement of plunger more smooth, makes the stability of metering pump improve, the setting of universal joint can overcome the machining error of parts, make the metering pump work more stable and smooth, make the service life of each part in the pump body increase, the existing device in use, because the device design does not have buffer mechanism and steady flow mechanism, thereby cannot carry out effective flow buffering and stable flow effect, and then in use, if flow changes, damage will not cause metering pump to be damaged, but for chemical industry, pharmacy, food processing and other industries, process control abnormal problems caused by flow fluctuation can appear, thereby need a metering pump with buffer steady flow function to solve the above problems. SUMMARY

[0003] The utility model aims at solving the shortcoming in prior art, the existing device in use, because the device design does not have buffer mechanism and steady flow mechanism, thereby cannot carry out effective flow buffering and stable flow effect, and then in use, if flow changes, damage will not cause metering pump to be damaged, but for chemical industry, pharmacy, food processing and other industries, process control abnormal problems caused by flow fluctuation can appear, based on this, provide a metering pump with buffer steady flow function.

[0004] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of metering pump with buffer steady flow function, including protective shell, the top of the protective shell is provided with pump body, the one end output of the pump body is fixedly communicated with output pipe, one end of the output pipe is fixedly penetrated to the outside of protective shell, one side of the protective shell is fixedly communicated with branch pipe, the one end of the branch pipe is fixedly communicated with the input of pump body, one end of the branch pipe is fixedly communicated with buffer shell, one side of the buffer shell is fixedly communicated with metering sensor, one side of the buffer shell is fixedly communicated with input pipe, the top of the branch pipe is fixedly communicated with first pipeline, the top of the first pipeline is fixedly communicated with storage tank, one side of the storage tank is fixedly communicated with second pipeline, one end of the second pipeline is fixedly communicated with the top of buffer shell.

[0005] As a preferred implementation, one side of the first pipeline is provided with a first electromagnetic valve, and one side of the second pipeline is provided with a second electromagnetic valve.

[0006] As a preferred implementation, the top of the protective shell and the buffer shell is fixedly connected with a support, and the bottom of the storage tank is fixedly connected between the top of the two supports.

[0007] As a preferred implementation, one side of the protective shell and the buffer shell is fixedly connected with a base, and a fixing frame is fixedly connected between the top of the two bases.

[0008] As a preferred implementation, the top of the fixing frame is fixedly connected with a base, the top of the base is fixedly connected with a transmission pump, and the working end of the transmission pump is fixedly communicated with one side of the storage tank.

[0009] As a preferred implementation, the top of the storage tank is fixedly communicated with a capsule tube.

[0010] Compared with the prior art, the utility model has the advantages and positive effects that the transmission pump and the storage tank cooperate, the first pipeline and the second pipeline flow to each other, the transmission pump, the first electromagnetic valve and the second electromagnetic valve above the first pipeline and the second pipeline are controlled, when the metering sensor analyzes that the flow in the buffer shell is large, the first electromagnetic valve is opened, the second electromagnetic valve is closed, the transmission pump can extract part of the flow from the branch pipe to reduce the flow of the output pipe, and the second pipeline is in a closed state due to the closed state of the second electromagnetic valve, so that the flow can be stored in the storage tank, when the metering sensor analyzes that the flow in the buffer shell is small, the first electromagnetic valve is closed, the second electromagnetic valve is opened, the flow stored in the storage tank is discharged into the buffer shell through the second pipeline to increase the flow of the buffer shell, so that the effect of buffering and steady flow is achieved, and the storage capacity of the storage tank and the pressure change adaptability of the storage tank can be further increased through the capsule tube. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 A schematic diagram of a metering pump with buffer and flow stabilization function provided by this utility model;

[0012] Figure 2 A side view of a metering pump with buffer and flow stabilization function provided by this utility model;

[0013] Figure 3 An exploded structural diagram of the bladder tube of a metering pump with buffer and flow stabilization function provided by this utility model;

[0014] Figure 4 An exploded structural diagram of the storage tank of a metering pump with buffer and flow stabilization function provided by this utility model.

[0015] Legend:

[0016] 1. Protective shell; 2. Pump body; 3. Branch pipe; 4. Output pipe; 5. Buffer shell; 6. Metering sensor; 7. Input pipe; 8. First pipeline; 9. First solenoid valve; 10. Storage tank; 11. Second pipeline; 12. Second solenoid valve; 13. Support; 14. Transfer pump; 15. Base; 16. Fixing frame; 17. Base; 18. Tube. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example

[0019] like Figures 1-4 As shown, this utility model provides a technical solution: a metering pump with buffer and flow stabilization function, including a protective shell 1, a pump body 2 on the top of the protective shell 1, an output pipe 4 fixedly connected to one end of the pump body 2, one end of the output pipe 4 fixedly extending through to the outside of the protective shell 1, a branch pipe 3 fixedly connected to one side of the protective shell 1, one end of the branch pipe 3 fixedly connected to the input end of the pump body 2, a buffer shell 5 fixedly connected to one end of the branch pipe 3, a metering sensor 6 fixedly connected to one side of the buffer shell 5, an input pipe 7 fixedly connected to one side of the buffer shell 5, a first pipe 8 fixedly connected to the top of the branch pipe 3, a storage tank 10 fixedly connected to the top of the first pipe 8, a second pipe 11 fixedly connected to one side of the storage tank 10, and one end of the second pipe 11 fixedly connected to the top of the buffer shell 5.

[0020] One side of the first pipeline 8 is provided with a first electromagnetic valve 9, and one side of the second pipeline 11 is provided with a second electromagnetic valve 12;

[0021] Through the above-mentioned embodiment, through the cooperation of the transmission pump 14 and the storage tank 10, and the mutual flow of the first pipeline 8 and the second pipeline 11, the transmission pump 14 is classified controlled with the first electromagnetic valve 9 and the second electromagnetic valve 12 above the first pipeline 8 and the second pipeline 11, when the metering sensor 6 analyzes that the flow in the buffer shell 5 is large, the first electromagnetic valve 9 is opened, and the second electromagnetic valve 12 is closed, through the transmission pump 14, a part of the flow of the buffer shell 5 into the branch pipe 3 can be extracted to reduce the flow of the output pipe 4, and at the same time, due to the closed state of the second electromagnetic valve 12, the second pipeline 11 is in a closed state, and then through the storage tank 10, the flow can be stored, when the metering sensor 6 analyzes that the flow in the buffer shell 5 is small, the first electromagnetic valve 9 is closed, and the second electromagnetic valve 12 is opened, the flow stored in the storage tank 10 is discharged into the buffer shell 5 through the second pipeline 11 to increase the flow of the buffer shell 5, thereby achieving the effect of buffering and stabilizing the flow;

[0022] The top of the protective shell 1 and the buffer shell 5 is fixedly connected with the bracket 13, and the top of the two brackets 13 is fixedly connected with the bottom of the storage tank 10;

[0023] One side of the protective shell 1 and the buffer shell 5 is fixedly connected with the base 15, and the top of the two bases 15 is fixedly connected with the fixing frame 16;

[0024] The top of the fixing frame 16 is fixedly connected with the base 17, the top of the base 17 is fixedly connected with the transmission pump 14, and the working end of the transmission pump 14 is fixedly communicated with one side of the storage tank 10;

[0025] The top of the storage tank 10 is fixedly communicated with the capsule tube 18;

[0026] Through the above-mentioned embodiment, the storage tank 10 can be supported and fixed by the bracket 13, the structural stability of the storage tank 10 is increased, the structural stability of the transmission pump 14 is increased by the base 15, the fixing frame 16 and the base 17, and the storage capacity of the storage tank 10 is further increased and the pressure change adaptation ability of the storage tank 10 is increased by the capsule tube 18.

[0027] Working principle:

[0028] As Figures 1-4As shown, in use, the pump body 2 enters flow through the input pipe 7, the flow is represented as water, gas, etc., here all use the flow word instead, through the buffer shell 5, the branch pipe 3 and the pump body 2 from the output pipe 4, when the metering sensor 6 analyzes that the flow in the buffer shell 5 is large, the first electromagnetic valve 9 opens, the second electromagnetic valve 12 closes, through the transmission pump 14 can extract a part of the flow from the buffer shell 5 into the branch pipe 3 and further reduce the flow of the output pipe 4, at the same time due to the closed state of the second electromagnetic valve 12 makes the second pipeline 11 in the closed state, and further through the storage tank 10 can store the flow, when the metering sensor 6 analyzes that the flow in the buffer shell 5 is small, the first electromagnetic valve 9 closes, the second electromagnetic valve 12 opens, the flow stored in the storage tank 10 is discharged into the buffer shell 5 through the second pipeline 11 to increase the flow of the buffer shell 5, and further achieve the effect of buffering and stabilizing flow.

[0029] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A metering pump with a buffer flow stabilizing function, comprising a protective casing (1), characterized in that, The top of the protective shell (1) is provided with a pump body (2), one end of the pump body (2) is fixedly communicated with an output pipe (4), one end of the output pipe (4) is fixedly penetrated to the outside of the protective shell (1), one side of the protective shell (1) is fixedly communicated with a branch pipe (3), one end of the branch pipe (3) is fixedly communicated with the input end of the pump body (2), one end of the branch pipe (3) is fixedly communicated with a buffer shell (5), one side of the buffer shell (5) is fixedly communicated with a metering sensor (6), one side of the buffer shell (5) is fixedly communicated with an input pipe (7), the top of the branch pipe (3) is fixedly communicated with a first pipeline (8), the top end of the first pipeline (8) is fixedly communicated with a storage box (10), one side of the storage box (10) is fixedly communicated with a second pipeline (11), one end of the second pipeline (11) is fixedly communicated with the top of the buffer shell (5).

2. The metering pump with the buffer flow stabilizing function according to claim 1, characterized in that: One side of the first pipeline (8) is provided with a first electromagnetic valve (9), one side of the second pipeline (11) is provided with a second electromagnetic valve (12).

3. The metering pump with the buffer flow stabilizing function according to claim 2, characterized in that: The top of the protective shell (1) and the buffer shell (5) are fixedly connected with a support (13), the top of the two supports (13) is fixedly connected with the bottom of the storage box (10).

4. The metering pump with the buffer flow stabilizing function according to claim 1, characterized in that: One side of the protective shell (1) and the buffer shell (5) is fixedly connected with a base (15), the top of the two bases (15) is fixedly connected with a fixing frame (16).

5. The metering pump with the buffer flow stabilizing function according to claim 4, characterized in that: The top of the fixing frame (16) is fixedly connected with a base (17), the top of the base (17) is fixedly connected with a transmission pump (14), the working end of the transmission pump (14) is fixedly communicated with one side of the storage box (10).

6. The metering pump with the buffer flow stabilizing function according to claim 1, characterized in that: The top of the storage box (10) is fixedly communicated with a capsule pipe (18).

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