CN212055015U

CN212055015U - Digital metering pump with automatic flow regulating mechanism

Info

Publication number: CN212055015U
Application number: CN202020651834.XU
Authority: CN
Inventors: 杨平晖; 吴慧军; 朱启发; 陈道权
Original assignee: Zhejiang Ligao Pump Technology Co ltd
Current assignee: Zhejiang Ligao Pump Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-01
Anticipated expiration: 2030-04-26

Abstract

The utility model belongs to the fluid machinery field, concretely relates to digital measuring pump with automatic flow control mechanism, the power distribution box comprises a box body, set up microprocessor in the box, the speed reducer group, transmission shaft and ejector pin, the outside side of box sets up pump head accessory and takes the accuse panel of display function, microprocessor is connected with controlling panel and speed reducer group electricity respectively, the worm gear mechanism and the transmission shaft transmission cooperation that the speed reducer group passes through the setting, the eccentric wheel is established to the cover on the transmission shaft, the outer rotating sleeve of eccentric wheel joins in marriage the crank wheel, crank wheel and ejector pin normal running fit, the ejector pin is connected and drives pump head accessory work through the reciprocating motion of self with the cooperation of pump head accessory. The utility model discloses digital measuring pump has realized automatic regulation measuring pump flow, has broken the situation that the product can only manual rotation regulator adjust measuring pump flow size in the past, has realized that the flow size that only needs to press several buttons can be transferred to the ideal, and is very convenient.

Description

Digital metering pump with automatic flow regulating mechanism

Technical Field

The utility model belongs to the fluid machinery field, concretely relates to digital measuring pump with automatic flow control mechanism.

Background

The metering pump drives the worm to rotate by a motor shaft, and the worm is decelerated by the worm gear to enable the main shaft and the eccentric wheel to rotate and rotate, so as to drive the tappet rod to reciprocate in the guide cylinder. The tappet and the membrane gradually form vacuum in the pump cavity under the action of the one-way valve, and the suction valve is opened (at the moment, the discharge valve is closed) to suck liquid; when the diaphragm moves forward, the suction valve is closed, the discharge valve is opened, the liquid is discharged under the push of the diaphragm, and after the reciprocating operation is continued, the pressure is formed to discharge the liquid in a fixed quantity.

The traditional metering pump needs a manual rotary regulator, and the metering pump can be rotated to the scale with the required flow, so that the metering pump is not very convenient, and the scale marks are dense and are easy to be mistaken.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the deficiencies of the prior art, the utility model provides a digital metering pump technical scheme with automatic flow control mechanism.

The digital metering pump is characterized by comprising a box body, a microprocessor, a speed reducing unit, a transmission shaft and an ejector rod are arranged in the box body, pump head accessories and a control panel with a display function are arranged on the outer side face of the box body, the microprocessor is respectively electrically connected with the control panel and the speed reducing unit, the speed reducing unit is in transmission fit with the transmission shaft through a worm gear mechanism, an eccentric wheel is sleeved on the transmission shaft, a crank wheel is rotatably sleeved outside the eccentric wheel and is in running fit with the ejector rod, and the ejector rod is in running fit with the pump head accessories and drives the pump head accessories to work through self reciprocating motion.

The digital metering pump with the automatic flow regulating mechanism is characterized in that the worm and gear mechanism comprises a worm in transmission fit with the speed reducing unit and a worm gear sleeved on the transmission shaft, and the worm is meshed with the worm gear.

A digital measuring pump with automatic flow control mechanism, the middle part of its characterized in that box has the baffle, the baffle separates into two parts about the inner chamber of box, be the second installation cavity that is used for the first installation cavity of holding speed reduction unit and microprocessor and is used for the holding transmission shaft respectively, the left side of box can be dismantled the cooperation and be used for covering the removable board in left side of first installation cavity left end, the pump head accessory is installed in the right side board outside of box, control the panel and install in the posterior lateral plate outside of box.

The digital metering pump with the automatic flow regulating mechanism is characterized in that the front end and the rear end of the transmission shaft are respectively in running fit with the front side plate and the rear side plate of the box body through the arranged first bearing seats.

The digital metering pump with the automatic flow regulating mechanism is characterized in that the left end and the right end of the worm are respectively in running fit with the partition board and the right side board of the box body through the second bearing seats.

The digital metering pump with the automatic flow regulating mechanism is characterized in that a convex connecting end is arranged on the outer side of a right side plate of the box body, and the connecting end is fixedly matched with a pump head accessory.

The digital metering pump with the automatic flow regulating mechanism is characterized in that the top of the box body is detachably matched with a detachable top plate used for covering the upper end of the second installation cavity, an oil injection joint is arranged on the detachable top plate, and a cover is arranged on the oil injection joint.

The digital metering pump with the automatic flow regulating mechanism is characterized in that a crank wheel is in running fit with an eccentric wheel through a bearing.

Compared with the prior art, the utility model discloses digital measuring pump has realized automatic regulation measuring pump flow, has broken the situation that the product can only manual rotation regulator adjust measuring pump flow size in the past, has realized that the flow size that only needs to press several buttons can be transferred to the ideal, and is very convenient.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional structural view of the present invention;

FIG. 4 is a schematic view of a box structure according to the present invention;

fig. 5 is a second schematic structural diagram of the case of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in the figure, a digital metering pump with automatic flow control mechanism, including the box 1, set up microprocessor 2 in the box 1, speed reduction unit 3, transmission shaft 4 and ejector pin 5, box 1 outside side sets up pump head accessory 6 and controls panel 7, microprocessor 2 is connected with controlling panel 7 and speed reduction unit 3 electricity respectively, speed reduction unit 3 is through the worm gear mechanism that sets up and 4 transmission coordination of transmission shaft, eccentric wheel 8 is established to the cover on the

transmission shaft

4, 8 outer rotating sleeve of eccentric wheel matches bearing 18, the outer rotating sleeve of bearing matches crank wheel 9, crank wheel 9 and 5 normal running fit of ejector pin, ejector pin 5 is connected with pump head accessory 6 normal running and drives pump head accessory 6 through self reciprocating motion and work. The control panel 7 has a display function, and the microprocessor 2, the control panel 7 and the speed reducer set 3 are all known technologies.

The specific structure of worm gear mechanism: the worm and gear mechanism comprises a worm 10 in transmission fit with the speed reducer set 3 and a worm wheel 11 sleeved on the transmission shaft 4, and the worm 10 is meshed with the worm wheel 11.

The specific structure of the box body 1: the middle part of box 1 has baffle 103, and baffle 103 separates into two parts about the inner chamber of box 1, is the first installation cavity that is used for holding speed reducer unit 3 and microprocessor 2 respectively and is used for the second installation cavity of holding transmission shaft 4, and the cooperation can be dismantled in the left side of box 1 and be used for covering the removable board 12 in left side of first installation cavity left end. The top of box 1 can be dismantled the cooperation and be used for covering removable roof 15 of second installation cavity upper end, sets up oiling joint 16 on removable roof 15, sets up lid 17 on oiling joint 16. Further, the case 1 has a right side plate 100, a bottom plate, a front side plate 102, and a rear side plate 101 around the periphery.

Mounting manner of pump head accessory 6: the outside of the right plate 100 has an outwardly projecting connection head 1000, the connection head 1000 being in fixed engagement with the pump head fitting 6.

The pump head fitting 6 is a well-known core component of a metering pump, and comprises a cylinder body for slidably inserting and matching with the ejector rod 5 and a pump body for inflow and outflow, wherein a diaphragm is arranged between the pump body and the cylinder body.

Mounting manner of the manipulation panel 7: the control panel 7 is mounted on the outside of the rear plate 101 of the cabinet 1, and the control panel 7 is a known technique.

Installation mode of transmission shaft 4: the front end and the rear end of the transmission shaft 4 are respectively matched with the front side plate 102 and the rear side plate 101 of the box body 1 in a rotating way through the arranged first bearing seats 13.

Mounting manner of the worm 10: the left and right ends of the worm 10 are respectively matched with the partition plate 103 and the right side plate 100 of the box body 1 in a rotating way through the arranged second bearing seats 14.

The utility model provides a, transmission shaft 4, ejector pin 5 and the equal level setting of worm 11, ejector pin 5 and worm 11 parallel, and transmission shaft 4 is mutually perpendicular with the two of the aforesaid. The criss-cross transmission arrangement can save space and make products more compact.

The utility model discloses a theory of operation: the user inputs the flow parameter instruction on the control panel 7, the instruction is transmitted to the microcontroller 2, and the microcontroller 2 transmits the instruction to the speed reducer unit 3. The speed reducer unit 3 is equivalent to an execution mechanism, the speed reducer unit 3 drives a worm gear mechanism to work after receiving an instruction, the worm gear mechanism drives a transmission shaft 4 to rotate, the transmission shaft 4 drives an eccentric wheel 8 on the transmission shaft to rotate, the eccentric wheel 8 drives a bearing 18 to swing, the bearing 18 drives a crank wheel 9 to swing, a driving wheel 9 drives an ejector rod 5 to reciprocate, the ejector rod 5 is equivalent to a piston rod and reciprocates in a cylinder body, liquid is contained in the cylinder body to drive a diaphragm to contract and expand, the size of the volume of a pump head is changed through the movement of the diaphragm, and the purpose of adjusting the flow is achieved. The utility model discloses also can long-rangely override, the practicality is very strong.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a digital metering pump with automatic flow control mechanism, its characterized in that includes box (1), set up microprocessor (2) in box (1), reduction unit (3), transmission shaft (4) and ejector pin (5), box (1) outside side sets up pump head accessory (6) and takes control panel (7) of display function, microprocessor (2) are connected with control panel (7) and reduction unit (3) electricity respectively, reduction unit (3) are through the worm gear mechanism that sets up and transmission shaft (4) transmission cooperation, eccentric wheel (8) are established to the cover on transmission shaft (4), eccentric wheel (8) external rotating sleeve cooperation crank wheel (9), crank wheel (9) and ejector pin (5) normal running fit, ejector pin (5) are connected with pump head accessory (6) cooperation and drive pump head accessory (6) work through the reciprocating motion of self.

2. The digital metering pump with the automatic flow regulating mechanism is characterized in that the worm gear and worm mechanism comprises a worm (10) in transmission fit with the speed reducing unit (3) and a worm wheel (11) sleeved on the transmission shaft (4), and the worm (10) is meshed with the worm wheel (11).

3. The digital metering pump with the automatic flow regulating mechanism is characterized in that a partition plate (103) is arranged in the middle of the box body (1), the partition plate (103) divides the inner cavity of the box body (1) into a left part and a right part, the left part and the right part are respectively a first mounting cavity for accommodating the speed reducer unit (3) and the microprocessor (2) and a second mounting cavity for accommodating the transmission shaft (4), the left side of the box body (1) is detachably matched with a left side detachable plate (12) for covering the left end of the first mounting cavity, the pump head accessory (6) is installed on the outer side of a right side plate (100) of the box body (1), and the control panel (7) is installed on the outer side of a rear side plate (101) of the box body (1).

4. The digital metering pump with the automatic flow regulating mechanism according to claim 3, characterized in that the front end and the rear end of the transmission shaft (4) are respectively matched with the front side plate (102) and the rear side plate (101) of the box body (1) in a rotating way through the arranged first bearing seats (13).

5. The digital metering pump with the automatic flow regulating mechanism according to claim 3, characterized in that the left and right ends of the worm (10) are respectively rotatably matched with the partition plate (103) and the right side plate (100) of the box body (1) through the arranged second bearing seats (14).

6. A digital metering pump with an automatic flow regulating mechanism according to claim 3, characterized in that the right side plate (100) of the housing (1) is provided with a protruding connection end (1000) on the outside, and the connection end (1000) is fixedly matched with the pump head fitting (6).

7. The digital metering pump with an automatic flow rate adjusting mechanism according to any one of claims 1 to 6, wherein a top portion of the housing (1) is detachably fitted with a detachable top plate (15) for covering an upper end of the second mounting chamber, the detachable top plate (15) is provided with the oil filling joint (16), and the oil filling joint (16) is provided with a cover (17).

8. Digital metering pump with automatic flow regulating mechanism according to any of claims 1-6, characterized in that the crank wheel (9) is in rotational engagement with the eccentric wheel (8) via bearings (18) provided.