CN213870153U

CN213870153U - Rotary micrometer metering pump

Info

Publication number: CN213870153U
Application number: CN202022584088.XU
Authority: CN
Inventors: 龙炳伶
Original assignee: Dongguan Ji Keer Automation Technology Co ltd
Current assignee: Dongguan Ji Keer Automation Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-03
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to a measuring pump field, especially, relate to rotation type micrometer measuring pump, comprising a base plate and a pump sleeve, wherein a rotating seat is installed on the base plate, the pump sleeve is installed on the rotating seat, a positioning column is arranged on the base plate, a first through hole matched with the positioning column for use is arranged at one end of the rotating seat, a rotating mechanism is arranged between the other end of the rotating seat and the base plate, a through groove is arranged on the base plate, a micrometer mechanism is installed at one side of the base plate, one end of the micrometer mechanism is positioned in the through groove, a connecting seat is arranged at the bottom of the rotating seat, a ceramic piston body and a ceramic valve core are arranged in the pump sleeve, a valve cavity is arranged in the ceramic piston body, one end of the ceramic valve core is installed in the valve cavity, the other end of the ceramic valve core is connected with a driving assembly, and a first sealing element and a second sealing element are arranged at two sides of the ceramic piston body; the operation is simple, the operation time is saved, and the production efficiency is improved; the sealing effect of the metering pump is enhanced.

Description

Rotary micrometer metering pump

Technical Field

The utility model belongs to the technical field of the measuring pump and specifically relates to a rotation type micrometer measuring pump is related to.

Background

Metering pumps, also known as infusion pumps, are mainly used for infusion and filling in industries such as electrolytes, acid-base solutions, ultrapure water, medical reagents and the like. At present, the size of the liquid injection amount is generally adjusted through manually adjusting the gear on the market, the liquid injection amount is not easy to adjust, the calibration time is long, the liquid injection amount is changed greatly after being fine adjusted for multiple times, a novice is not easy to operate, and the sealing mode is thinner than a traditional single mode, the service time of the liquid injection pump is long, and liquid leakage is easy to generate.

Disclosure of Invention

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A rotary micrometer metering pump comprises a bottom plate and a pump sleeve, wherein a rotary seat is installed on the bottom plate, the pump sleeve is installed on the rotary seat, a positioning column is arranged on the bottom plate, a first through hole matched with the positioning column for use is formed in one end of the rotary seat, the first through hole is rotatably connected with the positioning column, a rotating mechanism is arranged between the other end of the rotary seat and the bottom plate, a through groove is formed in the bottom plate, a micrometer mechanism is installed on one side of the bottom plate, one end of the micrometer mechanism is located in the through groove, a connecting seat is arranged at the bottom of the rotary seat, one end of the micrometer mechanism is connected with the connecting seat, a ceramic piston body and a ceramic valve core are arranged in the pump sleeve, a valve cavity is formed in the ceramic piston body, one end of the ceramic valve core is installed in the valve cavity, the other end of the ceramic valve core is connected with a driving assembly, a first sealing element, a second sealing element, a third sealing element and a third sealing element are arranged on two sides of the ceramic piston body, The second sealing elements are respectively positioned in the pump sleeve, a liquid inlet and a liquid outlet are respectively arranged at two ends of the outer side of the ceramic piston body, and the liquid inlet and the liquid outlet extend to the outer side of the pump sleeve.

Further, the rotating mechanism comprises a screw rod, a supporting plate and a locking screw, a second through hole is formed in the other end of the rotating seat, an arc-shaped sliding hole is formed in the bottom plate and located below the second through hole, the screw rod is arranged in the arc-shaped sliding hole, one end of the screw rod penetrates through the second through hole and is connected with the locking screw, the other end of the screw rod is connected with the supporting plate, the supporting plate is located at the bottom of the arc-shaped sliding hole, and scales are arranged on the outer edge of the top end of the arc-shaped sliding hole.

Further, micrometer mechanism includes fixed sleeve, connecting rod, micro-section of thick bamboo, and fixed sleeve, micro-section of thick bamboo cup joint in proper order on the connecting rod, and the bottom plate is located one side that leads to the groove and installs the fixing base, and fixed sleeve installs on the fixing base, and the one end of connecting rod is passed and is led to the groove and be connected with the connecting seat, and the other end and the micro-section of thick bamboo of connecting rod are connected, are provided with the benchmark scale on the fixed sleeve, are provided with the micro-scale mark on the micro-section of thick bamboo.

Furthermore, the connecting end of the ceramic valve core and the ceramic piston body is provided with a liquid injection notch.

Further, the drive assembly comprises a motor and a coupler, a drive shaft of the motor is connected with the coupler, a valve core connecting shaft is arranged at the other end of the ceramic valve core, and one end of the valve core connecting shaft is connected with the coupler.

Furthermore, the front side of the motor is provided with a mounting plate, the mounting plate is positioned on the bottom plate, one end, away from the pump sleeve, of the mounting plate is provided with a motor cover, a dust cover is arranged on the mounting plate, and the dust cover is positioned above the coupler.

Furthermore, an induction sheet is arranged between the driving shaft of the motor and the coupler, a sensor is arranged above the induction sheet, and the sensor is installed on the installation plate.

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

(1) a user can adjust the angle of the rotating seat through the micrometer mechanism, so that the liquid injection amount of the metering pump is adjusted, the operation is simple, the operation time is saved, and the production efficiency is improved;

(2) strengthen the sealed effect of measuring pump, the effectual internal liquid that prevents the ceramic piston spills.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is an exploded view of the present invention;

fig. 2 is a schematic structural diagram of the driving assembly of the present invention;

FIG. 3 is a schematic structural view of the micrometer mechanism of the present invention;

fig. 4 is a schematic structural diagram of the bottom plate of the present invention;

FIG. 5 is a schematic view of the structure at A in FIG. 2;

fig. 6 is a schematic structural diagram of the present invention.

In the figure: the device comprises a bottom plate 1, a pump sleeve 2, a rotary seat 3, a positioning column 4, a first through hole 5, a rotary mechanism 6, a through groove 7, a micrometer mechanism 8, a connecting seat 9, a ceramic piston body 10, a ceramic valve core 11, a valve cavity 12, a driving component 13, a first sealing element 14, a second sealing element 15, a liquid inlet 16, a liquid outlet 17, a screw rod 18, a butting plate 19, a locking screw 20, an arc-shaped sliding hole 21, a second through hole 22, scales 23, a fixing sleeve 24, a connecting rod 25, a micro-drum 26, a fixing seat 27, a reference scale 28, differential scale lines 29, a liquid injection notch 30, a motor 31, a coupling 32, a valve core connecting shaft 34, an installation plate 35, a motor cover 36, a dust cover 37, an induction sheet 38 and a sensor 39.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a rotary micrometer metering pump includes a bottom plate 1, a pump housing 2, a rotary base 3 is mounted on the bottom plate 1, the pump housing 2 is mounted on the rotary base 3, a positioning post 4 is disposed on the bottom plate 1, a first through hole 5 matched with the positioning post 4 is disposed at one end of the rotary base 3, the first through hole 5 is rotatably connected with the positioning post 4, a rotary mechanism 6 is disposed between the other end of the rotary base 3 and the bottom plate 1, a through groove 7 is disposed on the bottom plate 1, a micrometer mechanism 8 is mounted at one side of the bottom plate 1, one end of the micrometer mechanism 8 is located in the through groove 7, a connecting seat 9 is disposed at the bottom of the rotary base 3, one end of the micrometer mechanism 8 is connected with the connecting seat 9, a ceramic piston body 10 and a ceramic valve core 11 are disposed in the pump housing 2, a valve cavity 12 is disposed in the ceramic piston body 10, one end of the ceramic valve core 11 is mounted in the valve cavity 12, the other end of the ceramic valve core 11 is connected with a driving assembly 13, a first sealing element 14 and a second sealing element are arranged on two sides of the ceramic piston body 10, the first sealing element 14 and the second sealing element are respectively located in the pump sleeve 2, a liquid inlet 16 and a liquid outlet 17 are respectively arranged at two ends of the outer side of the ceramic piston body 10, and the liquid inlet 16 and the liquid outlet 17 extend to the outer side of the pump sleeve 2.

The rotary micrometer metering pump is matched with the through groove 7, the rotating seat 3, the connecting seat 9 and the micrometer mechanism 8, a user can adjust the angle of the rotating seat 3 through the micrometer mechanism 8 so as to adjust the liquid injection amount of the metering pump, the operation is simple, the operation time is saved, and the production efficiency is improved; the first sealing element 14 and the second sealing element 16 are used in a matched manner, so that the sealing effect of the metering pump is enhanced, and the liquid in the ceramic piston body 10 is effectively prevented from leaking.

In this embodiment, the rotating mechanism 6 includes a screw rod 18, a resisting plate 19, and a locking screw 20, the other end of the rotating base 3 is provided with a second through hole 22, the bottom plate 1 is provided with an arc-shaped sliding hole 21, the arc-shaped sliding hole 21 is located below the second through hole 22, the screw rod 18 is disposed in the arc-shaped sliding hole 21, one end of the screw rod 18 passes through the second through hole 22 and is connected with the locking screw 20, the other end of the screw rod 18 is connected with the resisting plate 19, the resisting plate 19 is located at the bottom of the arc-shaped sliding hole 21, and the outer edge of the top end of the arc-shaped sliding hole 21 is provided with a scale 23; the rotating seat 3 can be effectively rotated by an angle through the matching use of the second through hole 22, the arc-shaped sliding hole 21, the screw rod 18, the locking screw 20 and the abutting plate 19; the scale 23 is arranged to facilitate the adjustment of the angle of the rotary base 3.

In this embodiment, the micrometer mechanism 8 includes a fixed sleeve 24, a connecting rod 25, and a micro-drum 26, the fixed sleeve 24 and the micro-drum 26 are sequentially sleeved on the connecting rod 25, a fixed seat 27 is installed on one side of the bottom plate 1 located at the through groove 7, the fixed sleeve 24 is installed on the fixed seat 27, one end of the connecting rod 25 passes through the through groove 7 to be connected with the connecting seat 9, the other end of the connecting rod 25 is connected with the micro-drum 26, a reference scale 28 is arranged on the fixed sleeve 24, and a micro-scale mark 29 is arranged on the micro-drum 26; through the cooperation of fixed sleeve 24, connecting rod 25, micro-cylinder 26, fixing base 27, connecting seat 9, be convenient for roating seat 3's removal.

In this embodiment, a liquid injection notch 30 is arranged at the connecting end of the ceramic valve core 11 and the ceramic piston body 10; the liquid injection notch 30 is arranged to facilitate the injection of liquid.

In this embodiment, the driving assembly 13 includes a motor 31 and a coupler 32, a driving shaft of the motor 31 is connected to the coupler 32, the other end of the ceramic valve core 11 is provided with a valve core connecting shaft 34, and one end of the valve core connecting shaft 34 is connected to the coupler 32; through the matching use of the motor 31, the coupler 32, the valve core connecting shaft 34 and the ceramic valve core 11, the ceramic valve core 11 makes reciprocating rotation movement in the ceramic piston body 10, and the suction and the discharge of liquid are realized.

In this embodiment, a mounting plate 35 is arranged on the front side of the motor 31, the mounting plate 35 is located on the bottom plate 1, a motor 31 cover is arranged at one end of the mounting plate 35 away from the pump housing 2, a dust cover 37 is arranged on the mounting plate 35, and the dust cover 37 is located above the coupling 32; by the arrangement of the dust cover 37, dust is effectively prevented from falling onto the coupler 32.

In this embodiment, an induction sheet 38 is disposed between the driving shaft of the motor 31 and the coupling 32, a sensor 39 is disposed above the induction sheet 38, and the sensor 39 is mounted on the mounting plate 35; through the cooperation of the sensing piece 38 and the sensor 39, when the driving shaft of the motor 31 is deformed or broken, the sensing piece 38 touches the sensor 39, and the sensor 39 gives prompt signals to an operator in time to prompt the operator to perform inspection and maintenance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The rotary micrometer metering pump is characterized by comprising a bottom plate and a pump sleeve, wherein a rotating seat is installed on the bottom plate, the pump sleeve is installed on the rotating seat, a positioning column is arranged on the bottom plate, a first through hole matched with the positioning column for use is formed in one end of the rotating seat, the first through hole is rotatably connected with the positioning column, a rotating mechanism is arranged between the other end of the rotating seat and the bottom plate, a through groove is formed in the bottom plate, a micrometer mechanism is installed on one side of the bottom plate, one end of the micrometer mechanism is located in the through groove, a connecting seat is arranged at the bottom of the rotating seat, one end of the micrometer mechanism is connected with the connecting seat, a ceramic piston body and a ceramic valve core are arranged in the pump sleeve, a valve cavity is arranged in the ceramic piston body, one end of the ceramic valve core is installed in the valve cavity, a driving assembly is connected with the other end of the ceramic valve core, and first sealing element and a second sealing element are arranged on two sides of the ceramic piston body, the first sealing element and the second sealing element are respectively positioned in the pump sleeve, a liquid inlet and a liquid outlet are respectively arranged at two ends of the outer side of the ceramic piston body, and the liquid inlet and the liquid outlet extend to the outer side of the pump sleeve.

2. The metering pump of claim 1, wherein the rotating mechanism comprises a screw rod, a resisting plate and a locking screw, the other end of the rotating seat is provided with a second through hole, the bottom plate is provided with an arc-shaped sliding hole, the arc-shaped sliding hole is positioned below the second through hole, the screw rod is arranged in the arc-shaped sliding hole, one end of the screw rod passes through the second through hole to be connected with the locking screw, the other end of the screw rod is connected with the resisting plate, the resisting plate is positioned at the bottom of the arc-shaped sliding hole, and the outer edge of the top end of the arc-shaped sliding hole is provided with scales.

3. The metering pump of claim 1, wherein the micrometer mechanism comprises a fixing sleeve, a connecting rod and a micro-cylinder, the fixing sleeve and the micro-cylinder are sequentially sleeved on the connecting rod, the fixing seat is installed on one side of the through groove of the bottom plate, the fixing sleeve is installed on the fixing seat, one end of the connecting rod penetrates through the through groove to be connected with the connecting seat, the other end of the connecting rod is connected with the micro-cylinder, the fixing sleeve is provided with a reference scale, and the micro-cylinder is provided with a micro-scale mark.

4. The metering pump of claim 1, wherein the connecting end of the ceramic spool and the ceramic piston body is provided with a filling notch.

5. The metering pump of claim 1, wherein the drive assembly comprises a motor and a coupling, a drive shaft of the motor is connected with the coupling, a valve core connecting shaft is arranged at the other end of the ceramic valve core, and one end of the valve core connecting shaft is connected with the coupling.

6. The metering pump of claim 5, wherein a mounting plate is arranged on the front side of the motor, the mounting plate is positioned on the bottom plate, a motor cover is arranged on one end of the mounting plate away from the pump sleeve, a dust cover is arranged on the mounting plate, and the dust cover is positioned above the coupler.

7. The metering pump of claim 6, wherein a sensing piece is disposed between the drive shaft of the motor and the coupling, and a sensor is disposed above the sensing piece and mounted on the mounting plate.