CN108223326B

CN108223326B - Automatic proportioning pump

Info

Publication number: CN108223326B
Application number: CN201711237565.1A
Authority: CN
Inventors: 李博
Original assignee: Neixiang Changxing Equipment Co ltd
Current assignee: Neixiang Changxing Equipment Co ltd
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2021-12-28
Anticipated expiration: 2037-11-30
Also published as: CN108223326A

Abstract

The invention discloses an automatic proportioning pump, wherein one side of the outer wall of a pump body is provided with a water inlet, the other side of the outer wall of the pump body is provided with a water outlet, the water inlet is connected with an inner cavity in the pump body, the water outlet is connected with an outer cavity in the pump body, the water inlet and the water outlet are not directly communicated, a piston is sleeved in the inner cavity, three water outlet holes are formed in the piston, sealing rings are respectively arranged on the upper end wall and the lower end wall of the piston cavity, a piston rod and an ejector rod are arranged in the piston cavity, a pressing rod is arranged at the bottom of the piston cavity, a sealing pressing head is arranged at the bottom end of the pressing rod, the ejector rod in the piston cavity is in transmission connection with a bottom pressing rod, a top cover is screwed at the top of the pump body, a through hole is formed in the middle of the top cover, a transmission rod is sleeved in the through hole, a pressing cover is arranged at the top end of the transmission rod, a bottom cover is screwed at the bottom of the pump body, a sleeve hole is arranged at the center position of the bottom, and an additive inlet pipe is sleeved in the bottom cover. The invention adopts a combined mode, is convenient for later maintenance and replacement, and has strong practicability, safety, reliability, convenience and rapidness compared with the prior art.

Description

Automatic proportioning pump

Technical Field

The invention relates to a proportioning pump, in particular to an automatic proportioning pump.

Background

In the background art, the horticultural industry, the livestock industry and the industrial field need to perform specific dilution of a special solvent, and other industries such as car washing, printing, hospitals, hotels and the like also need to perform specific dilution of the solvent frequently. The application of the industries or the traditional operation mode has the disadvantages of overhigh labor cost, poor proportioning rationality and incapability of completely guaranteeing safety and sanitation. Or a more intelligent device is used, but the electric energy is used, the energy is consumed, and the production cost is increased.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an automatic proportioning pump.

In order to achieve the design purpose, the technical scheme adopted by the invention is as follows: an automatic proportioning pump comprises a pump body, a top cover, a bottom cover and the like, wherein one side of the outer wall of the pump body is provided with a water inlet, the other side of the outer wall of the pump body is provided with a water outlet, an outer cavity and an inner cavity are arranged in the pump body, the water inlet is connected with the inner cavity in the pump body, the water outlet is connected with the outer cavity in the pump body, the water inlet and the water outlet are not directly communicated, a piston is sleeved in the inner cavity, three water outlet holes are formed in the piston, the piston comprises a piston cavity, a piston rod, a push rod, a pressure rod and the like, sealing rings are arranged on the end walls of the upper end and the lower end of the piston cavity, the piston rod and the push rod are arranged in the piston cavity, the bottom of the piston is provided with a sealing pressure head, the push rod is in the piston cavity and is in transmission connection with the bottom pressure rod, the top cover is screwed on the top of the pump body, a through hole is formed in the middle of the top cover, a transmission rod is sleeved in the through hole, the improved pump is characterized in that a pressing cover is arranged at the top end of the transmission rod, a bottom cover is screwed at the bottom of the pump body, a sleeve hole is formed in the center of the bottom cover, an additive inlet pipe is sleeved in the bottom cover, threads and scale marks are arranged on the outer wall of the additive inlet pipe, an inner pipe is sleeved in the additive inlet pipe, a clamping table is arranged on the lower side of the inner pipe, an adjusting pipe is screwed on the outer wall of the additive inlet pipe, clamping holes are formed in the top and the bottom of the adjusting pipe, U-shaped clamps are clamped in the clamping holes, a fixing cover is screwed at the bottom of the inner pipe, a check valve is arranged in the fixing cover, and a hose for absorbing additives is connected to the bottom of the check valve.

Three apopores on the piston can realize opening simultaneously and close according to the motion of ejector pin, piston rod.

The adjusting pipe can display the entering proportion of the adjusting additive through the scale marks on the outer wall of the additive entering pipe according to requirements.

The wall of the pressure lever is cross-shaped.

Clamping columns are arranged on two sides of the middle part of the outer wall of the pump body, and fixing seats are clamped on the clamping columns.

The check valve in the fixed cover prevents the sucked additive from flowing back into the container.

The invention has the beneficial effects that: the utility model discloses a device for adding additive into the container, including the adjusting tube top, the U type card that all clamps in the bottom stuck hole, not only play the effect of clamp, but also convenient to use person is to its quick installation and dismantlement, the additive advances the adjusting tube and the scale mark of spiral-wound dress on the tub outer wall can adjust the additive entering proportion according to the demand, and the depression bar wall sets up to the cross, the additive of being convenient for in the additive container gets into, the fixing base that clamps on pump body outer wall middle part calorie post can be fixed in on wall or other fixtures with automatic proportioning pump, effectually prevent long-time use, because the weight of automatic proportioning pump itself leads to the water pipe to break, influence production operation, the additive that the check valve prevented to absorb returns to the container because of the gravity problem refluence in the fixed cover. The invention adopts a combined mode, is convenient for later maintenance and replacement, and has strong practicability, safety, reliability, convenience and rapidness compared with the prior art.

Drawings

Fig. 1 is a schematic sectional view of an automatic proportioning pump according to the present invention.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. As shown in fig. 1: an automatic proportioning pump comprises a pump body 1, a top cover 2 and a bottom cover 3, wherein one side of the outer wall of the pump body 1 is provided with a water outlet 4, the other side of the outer wall of the pump body is provided with a water inlet 5, an outer cavity 6, an inner cavity 7 and a bottom support 23 are arranged in the pump body 1, the water outlet 4 is connected with the outer cavity 6 in the pump body 1, the water inlet 5 is connected with the inner cavity 7 in the pump body 1, a piston 8 is sleeved in the inner cavity 7, three water outlet holes are formed in the piston, the piston 8 is composed of a piston cavity 9, a piston rod 10, an ejector rod 11 and a pressure rod 12, sealing rings 13 are arranged on the end walls of the upper end and the lower end of the piston cavity 8, the ejector rod 11 and the piston rod 10 are arranged in the piston cavity 9, the bottom of the pressure rod 12 is provided with a sealing pressure head 14, the ejector rod 11 and the piston rod 10 are in the piston cavity 9 are in transmission connection with the bottom 12, the top cover 2 is arranged at the top of the pump body 1, the improved pump is characterized in that a through hole is formed in the middle of the top cover 2, a transmission rod is sleeved in the through hole, a gland 15 is arranged at the top end of the transmission rod, a bottom cover 3 is screwed at the bottom of the pump body 1, a sleeve hole is formed in the center of the bottom cover 3, an additive inlet pipe 16 is sleeved in the bottom cover 3, threads and scale marks are arranged on the outer wall of the additive inlet pipe 16, an inner pipe 17 is sleeved in the additive inlet pipe 16, a clamping table 18 is arranged on the lower side of the inner pipe 17, an adjusting pipe 19 is screwed on the outer wall of the additive inlet pipe 16, clamping holes are formed in the top and the bottom of the adjusting pipe 19, U-shaped clamps 20 are clamped in the clamping holes, a fixing cover 24 is screwed at the bottom of the inner pipe 17, and a check valve 25 is arranged in the fixing cover 24.

Three water outlet holes on the piston can be opened and closed at different times according to the movement of the ejector rod 11 and the piston rod 10.

The adjusting pipe 19 can display the entering proportion of the adjusting additive through scale marks on the outer wall of the additive entering pipe 16 according to requirements.

The wall of the compression bar 12 is cross-shaped.

Clamping columns 21 are arranged on two sides of the middle of the outer wall of the pump body 1, and fixing seats 22 are clamped on the clamping columns 21.

A check valve 25 is provided in the fixing cap 24.

When the invention is used, a water inlet at one side of the pump body is fixedly connected with an outlet of a water pipe at a use site, an outlet at the other side of the pump body is fixedly connected with an inlet of the water pipe at the use site, then a hose which is connected with the bottom of a check valve of the pump body and absorbs additives is placed into an additive container which is filled with an additive raw agent or slightly diluted, a U-shaped clamp at the top of an adjusting pipe is taken down, the adjusting pipe is rotated until a scale mark on the outer wall of an additive inlet pipe is aligned with a required scale, the taken-down U-shaped clamp is installed back, the adjusted proportion is fixed to realize fixed proportion dilution, when the invention is operated, water at the water inlet of the pump body enters an inner cavity to push a piston in the pump body to move upwards together with a pressure rod, simultaneously, a water outlet hole which is communicated with the inner cavity on the piston is closed, two water outlet holes which are communicated with the outer cavity are opened, and at the time, all water which flows in through the water inlet of the pump body is stored in the inner cavity and the piston cavity, when the piston is driven to the position of the upper end of the top cover by the water driving force, the driving force continues to move upwards, the upper end of the ejector rod is pressed down by the top cover and is pressed down together with the piston rod through the transmission connection, at the moment, a water outlet hole communicated with the inner cavity on the piston is opened, two water outlet holes communicated with the outer cavity are closed, the water stored in the inner cavity and the piston cavity and the water continuously entering from the water inlet of the pump body flow into the space between the upper end of the piston and the upper end of the top cover together, the water continuously increases to drive the piston and the pressing rod to move downwards until the lower end of the ejector rod is lifted up by the upper end of the inner bottom support of the pump body, the water is pushed upwards through the transmission connection and the piston rod, at the moment, a water outlet hole communicated with the inner cavity on the piston is closed, two water outlet holes communicated with the outer cavity are opened, the water stored between the upper end of the piston and the upper end of the top cover flows into the outer cavity through the two opened water outlet holes communicated with the outer cavity and flows into a water pipe used on the spot, the pressure rod continuously and repeatedly moves up and down along with the piston to extract the additive in the container through the inner pipe at the bottom of the pump body and the hose for absorbing the additive, the additive is extracted once in each working cycle period, the additive amount extracted each time is based on the required scale on the outer wall of the additive inlet pipe adjusted before operation, the required amount of the additive extracted in each working cycle period can enter the inner cavity, the piston cavity, the upper end of the piston and the upper end of the top cover together along with water flow until the additive flows out of the water pipe for on-site use, and the whole process finishes good mixing.

Claims

1. An automatic proportioning pump comprises a pump body, a top cover and a bottom cover, wherein a water inlet is formed in one side of the outer wall of the pump body, a water outlet is formed in the other side of the outer wall of the pump body, an outer cavity and an inner cavity are formed in the pump body, the water inlet is connected with the inner cavity in the pump body, the water outlet is connected with the outer cavity in the pump body, the water inlet and the water outlet are not directly communicated, a piston is sleeved in the inner cavity, three water outlets are formed in the piston, and the three water outlets in the piston are not opened and closed simultaneously according to the movement of a push rod and a piston rod; the piston consists of a piston cavity, a piston rod, an ejector rod and a pressure rod, wherein the end walls of the upper end and the lower end of the piston cavity are respectively provided with a sealing ring, the piston rod and the ejector rod are arranged in the piston cavity, the bottom of the piston rod is provided with the pressure rod, the ejector rod in the piston cavity is in transmission connection with the bottom pressure rod, the top of the pump body is screwed with a top cover, the middle part of the top cover is provided with a through hole, the through hole is sleeved with a transmission rod, the top end of the transmission rod is provided with a gland, the bottom of the pump body is screwed with a bottom cover, the central position of the bottom cover is provided with a trepan boring, the bottom cover is sleeved with an additive inlet pipe, the outer wall of the additive inlet pipe is provided with a thread and scale marks, the additive inlet pipe is sleeved with an inner pipe, the lower side of the inner pipe is provided with a clamping table, and the outer wall of the additive inlet pipe is screwed with an adjusting pipe, the adjusting pipe displays the entering proportion of the adjusting additive through the scale marks on the outer wall of the additive entering pipe according to the requirement; clamping holes are formed in the top and the bottom of the adjusting pipe, U-shaped clamps are clamped in the clamping holes, a fixing cover is screwed at the bottom of the inner pipe, a check valve is arranged in the fixing cover, the check valve in the fixing cover prevents the sucked additive from flowing back into the container, and the bottom of the check valve is connected with a hose for sucking the additive; the pump body outer wall middle part both sides all are equipped with the card post, clamp the fixing base on the card post.