CN104776032A - Micro constant-current pump - Google Patents
Micro constant-current pump Download PDFInfo
- Publication number
- CN104776032A CN104776032A CN201510216161.9A CN201510216161A CN104776032A CN 104776032 A CN104776032 A CN 104776032A CN 201510216161 A CN201510216161 A CN 201510216161A CN 104776032 A CN104776032 A CN 104776032A
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- China
- Prior art keywords
- pipe
- seat
- propeller
- drain
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a micro constant-current pump, and belongs to the technical field of analytical chemistry instrument appliances. The upper end of a motor is connected with a motor frame through a screw bolt; a shaft end key of the motor is connected with an active magnet seat; an active magnet post is arranged in a round hole formed in the active magnet seat; the side end of a pump body is connected with a support frame; mutually vertical hole passages are arranged in the pump body; the larger-diameter hole passage is provided with screw threads; a round hole for installing a propeller is arranged in the upper hole passage; the propeller is arranged in the round hole; four round holes in uniform distribution are formed in the propeller; a passive magnet post is arranged in the round hole, and the upper end of the round hole realizes the opening sealing through sealing glue. The outer cylindrical surface of the propeller is provided with trapezoidal screw threads; a conical cavity is arranged in a propeller seat; the propeller seat rotates into the hole passage arranged at the upper end of the pump body; the propeller is arranged in the propeller seat in a sheathing way; a catheter gland is arranged on a liquid outlet pipe in a sleeving way; an inner lining pipe is arranged in the lower end of the liquid outlet pipe; the inner lining pipe is arranged in the lower end of the liquid inlet pipe, and the magnetic poles are opposite when the active magnet post and the passive magnet post are installed.
Description
Technical field
The present invention relates to a kind of micro-constant flow pump, belong to analytical chemistry instrument technique with the apparatus field.
Background technique
Constant flow pump is for the special feeding apparatus of Flow Injection Analysis, known constant flow pump has plunger pump and peristaltic pump, and existing plunger pump cost is higher, causes analysis cost to increase, the peristaltic tube of peristaltic pump causes flow velocity non-constant due to body shrinkage deformation, needs often to change.
Summary of the invention
In order to overcome above-mentioned technical deficiency, the invention provides a kind of micro-constant flow pump, it is non-constant that this micro-constant flow pump effectively solves existing constant flow pump flow velocity, the problem of liquid inlet and outlet pipe shrinkage deformation, ensures constant flow pump flow speed stability.
The technical solution adopted for the present invention to solve the technical problems is: micro-constant current pump structure is: motor upper end connects motor rack by bolt, motor shaft end key connects initiatively magnetic receiver, initiatively magnetic receiver upper end is provided with four circular holes divided equally, active magnetic iron prop is equipped with in circular hole, motor rack bolted pump body, pump housing side is by cylindrical bolt connection bracket; Be provided with orthogonal duct in the pump housing, large diameter duct is provided with screw thread, is provided with the circular hole installed and revolve oar in upper duct, and install in it and revolve oar, revolve in oar four circular holes established and divide equally, be equipped with passive magnetic column in circular hole, circular hole upper end is sealed by sealer; Revolve oar external cylindrical surface and be provided with trapezoidal thread, pitch 2mm, line number is 4 lines, and helical pitch is 8mm; Be provided with conical bores in rotating plasma seat, rotating plasma seat screws in the duct of pump housing upper end, will revolve oar and be enclosed within rotating plasma seat; Conduit gland is enclosed within drain pipe, and drain pipe is equipped with internal lining pipe in lower end, and the drain pipe of internal lining pipe upper end is equipped with drain profit ring, drain is moistened ring, bushing pipe and drain pipe and inserts in the hole of rotating plasma seat upper end by conduit gland, and the rotating plasma seat that is threaded; Liquid inlet pipe is equipped with internal lining pipe in lower end, and the liquid inlet pipe of internal lining pipe upper end is equipped with drain profit ring, drain is moistened ring, bushing pipe and liquid inlet pipe and inserts in the hole of pump housing side by conduit gland, and the pump housing that is threaded; When described active magnetic iron prop is installed with passive magnetic column, magnetic pole is contrary.
The invention has the beneficial effects as follows: rotate and do not contact without wearing and tearing, do not need to safeguard, the little solution updating decision of spiral cavity, the trapezoid spiral face of rotating plasma can promote solution displacement.Be equipped with high strength Peek internal lining pipe in liquid inlet and outlet pipe, the endoporus of liquid inlet and outlet pipe is not shunk, fully keep unimpeded.The direction of electric machine rotation can control solution flow direction, and motor speed can control solution flow rate.And motor speed constant time, the flow velocity of solution is also constant.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is a kind of micro-constant flow pump appearance schematic diagram of the present invention.
Fig. 2 is a kind of micro-constant flow pump STRUCTURE DECOMPOSITION figure of the present invention.
Fig. 3 is a kind of micro-constant flow pump pump body structural drawing of the present invention.
In figure 1, motor, 2, the pump housing, 3, support, 4, rotating plasma seat, 5, conduit gland, 6, drain pipe, 7, liquid inlet pipe, 8, motor rack, 9, initiatively magnetic receiver, 10, active magnetic iron prop, 11, oar is revolved, 12, passive magnetic column, 13, internal lining pipe, 14, drain profit ring, 15, cylinder.
Embodiment
As shown in Figure 1-Figure 3, micro-constant current pump structure is: motor 1 upper end connects motor rack 8 by bolt, motor 1 axle head key connects initiatively magnetic receiver 9, initiatively magnetic receiver 9 upper end is provided with four circular holes divided equally, active magnetic iron prop 10 is equipped with in circular hole, motor rack 8 bolted pump body 2, the pump housing 2 side is by cylinder 15 bolt attachment bracket 3; Be provided with orthogonal duct in the pump housing 2, large diameter duct is provided with screw thread, is provided with the circular hole installed and revolve oar 11 in upper duct, install in it and revolve oar 11, revolve in oar 11 four circular holes established and divide equally, be equipped with passive magnetic column 12 in circular hole, circular hole upper end is sealed by sealer; Revolve oar 11 external cylindrical surface and be provided with trapezoidal thread, pitch 2mm, line number is 4 lines, and helical pitch is 8mm; Be provided with conical bores in rotating plasma seat 4, rotating plasma seat 4 screws in the duct of the pump housing 2 upper end, will revolve oar 11 and be enclosed within rotating plasma seat 4; Conduit gland 5 is enclosed within drain pipe 6, drain pipe 6 is equipped with internal lining pipe 13 in lower end, the drain pipe 6 of internal lining pipe 13 upper end is equipped with drain profit ring 14, drain is moistened ring 14, bushing pipe 13 and drain pipe 6 and inserts in the hole of rotating plasma seat 4 upper end by conduit gland 5, and the rotating plasma seat 4 that is threaded; Liquid inlet pipe 7 is equipped with internal lining pipe in lower end, and the liquid inlet pipe 7 of internal lining pipe upper end is equipped with drain profit ring, drain is moistened ring, bushing pipe and liquid inlet pipe 7 and inserts in the hole of the pump housing 2 side by conduit gland, and the pump housing 2 that is threaded; When described active magnetic iron prop 10 is installed with passive magnetic column 12, magnetic pole is contrary.
During use, starting electrical machinery 1 rotates, active magnetic receiver 9 on motor shaft rotates thereupon, suction is produced because magnetic pole is contrary when active magnetic iron prop 10 is installed with passive magnetic column 12, revolve oar 11 to rotate thereupon produce negative pressure in rotating plasma seat 4 cavity, liquid enters through by liquid inlet pipe 7 screw thread revolving oar 11 outer cylinder and enters drain pipe 6 and flow out.
Claims (1)
1. a micro-constant flow pump, it is characterized in that: its structure is: motor (1) upper end connects motor rack (8) by bolt, motor (1) axle head key connects initiatively magnetic receiver (9), initiatively magnetic receiver (9) upper end is provided with four circular holes divided equally, active magnetic iron prop (10) is equipped with in circular hole, motor rack (8) bolted pump body (2), the pump housing (2) side is by cylinder (15) bolt attachment bracket (3); The pump housing is provided with orthogonal duct in (2), large diameter duct is provided with screw thread, the circular hole that oar (11) are revolved in installation is provided with in upper duct, install in it and revolve oar (11), revolve in oar (11) four circular holes established and divide equally, be equipped with passive magnetic column (12) in circular hole, circular hole upper end is sealed by sealer; Revolve oar (11) external cylindrical surface and be provided with trapezoidal thread, pitch 2mm, line number is 4 lines, and helical pitch is 8mm; Rotating plasma seat is provided with conical bores in (4), and rotating plasma seat (4) screws in the duct of the pump housing (2) upper end, will revolve oar (11) and be enclosed within rotating plasma seat (4); Conduit gland (5) is enclosed within drain pipe (6), internal lining pipe (13) is equipped with in drain pipe (6) lower end, the drain pipe (6) of internal lining pipe (13) upper end is equipped with drain profit ring (14), drain is moistened ring (14), bushing pipe (13) and drain pipe (6) and inserts in the hole of rotating plasma seat (4) upper end by conduit gland (5), and the rotating plasma seat (4) that is threaded; Be equipped with internal lining pipe in liquid inlet pipe (7) lower end, the liquid inlet pipe (7) of internal lining pipe upper end is equipped with drain profit ring, drain is moistened ring, bushing pipe and liquid inlet pipe (7) and inserts in the hole of the pump housing (2) side by conduit gland, and the pump housing that is threaded (2); When described active magnetic iron prop (10) is installed with passive magnetic column (12), magnetic pole is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216161.9A CN104776032B (en) | 2015-05-02 | 2015-05-02 | micro-constant flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216161.9A CN104776032B (en) | 2015-05-02 | 2015-05-02 | micro-constant flow pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104776032A true CN104776032A (en) | 2015-07-15 |
| CN104776032B CN104776032B (en) | 2016-12-28 |
Family
ID=53617715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510216161.9A Expired - Fee Related CN104776032B (en) | 2015-05-02 | 2015-05-02 | micro-constant flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104776032B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2930324A (en) * | 1955-10-03 | 1960-03-29 | Ohio Commw Eng Co | Magnetic pump |
| SU1108249A1 (en) * | 1983-04-12 | 1984-08-15 | Bykovskij Aleksandr A | Centrifugal pump |
| JPH0491396A (en) * | 1990-07-31 | 1992-03-24 | Ntn Corp | Turbo type pump |
| CN1445461A (en) * | 2002-03-15 | 2003-10-01 | 世界化学株式会社 | Liquid pump and sealing element |
| CN101963146A (en) * | 2010-10-25 | 2011-02-02 | 哈尔滨工程大学 | Constant flow peristaltic pump |
| CN103821764A (en) * | 2014-02-28 | 2014-05-28 | 洛阳东方动力机械有限公司 | Constant flow pump rear cover |
-
2015
- 2015-05-02 CN CN201510216161.9A patent/CN104776032B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2930324A (en) * | 1955-10-03 | 1960-03-29 | Ohio Commw Eng Co | Magnetic pump |
| SU1108249A1 (en) * | 1983-04-12 | 1984-08-15 | Bykovskij Aleksandr A | Centrifugal pump |
| JPH0491396A (en) * | 1990-07-31 | 1992-03-24 | Ntn Corp | Turbo type pump |
| CN1445461A (en) * | 2002-03-15 | 2003-10-01 | 世界化学株式会社 | Liquid pump and sealing element |
| CN101963146A (en) * | 2010-10-25 | 2011-02-02 | 哈尔滨工程大学 | Constant flow peristaltic pump |
| CN103821764A (en) * | 2014-02-28 | 2014-05-28 | 洛阳东方动力机械有限公司 | Constant flow pump rear cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104776032B (en) | 2016-12-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 |