CN214007428U

CN214007428U - Electromagnetic type urea electromagnetic pump under water

Info

Publication number: CN214007428U
Application number: CN202022963483.9U
Authority: CN
Inventors: 陈庆东; 姜涛
Original assignee: Tak Rongzhi (beijing) Environmental Protection Technology Research Institute
Current assignee: Tak Rongzhi (beijing) Environmental Protection Technology Research Institute
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-20
Anticipated expiration: 2030-12-10

Abstract

The utility model provides an electromagnetic type urea electromagnetic pump under water belongs to urea pump technical field, which comprises a pump body, the fixed casing that is provided with in pump body upper portion, the fixed barrel that is provided with in the inboard top of box body, the winding of the barrel outside has the coil, and the inside activity of barrel is provided with vertical distribution's iron core, its characterized in that, the inlet has been seted up at pump body both ends, and the pump body is inside seted up with two sets of the smooth chamber that the inlet is linked together, the inside movable mounting in smooth chamber has two sets of pistons. The embodiment of the utility model provides a through carrying out the intermittent type formula power supply to the coil, the cooperation elastic component realizes the upper and lower reciprocating motion of iron core to order about the piston at the inside horizontal reciprocating motion of sliding chamber, thereby continuous with external liquid suction to sliding chamber inside, again by the continuous output of passageway and liquid outlet, realize that the continuity of liquid is supplied with, compare in prior art, cancelled the use of motor, have simple structure, low cost and carry effectual advantage.

Description

Electromagnetic type urea electromagnetic pump under water

Technical Field

The utility model belongs to the technical field of the urea pump, specifically an electromagnetic type is urea electromagnetic pump under water.

Background

When an internal combustion engine of an automobile is operated, nitrogen oxide is generated with an excessive amount of oxygen in many cases, and thus, the environment is polluted. In order to meet the increasingly stringent emission requirements and reduce the emission of nitrogen oxides, the nitrogen oxides in the exhaust gas need to be reduced into nitrogen and water, and usually, before the exhaust gas enters a catalyst, urea aqueous solution is injected into the exhaust gas as a reducing agent to reduce the nitrogen oxides, and the operation is specifically realized by pumping the urea into the exhaust gas in an exhaust pipeline after the urea is absorbed from a urea tank by a urea pump.

The urea pump among the prior art utilizes the motor to drive and orders about the urea pump operation mostly, and the use of motor not only can occupy great space, but also can lead to the improvement of cost, is unfavorable for subsequent maintenance.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the embodiments of the present invention is to provide an electromagnetic type underwater urea electromagnetic pump.

In order to solve the technical problem, the utility model provides a following technical scheme:

an electromagnetic underwater urea electromagnetic pump comprises a pump body, wherein a shell is fixedly arranged at the upper part of the pump body, a cylinder body is fixedly arranged at the top of the inner side of the box body, a coil is wound on the outer side of the cylinder body, vertically distributed iron cores are movably arranged in the cylinder body, liquid inlets are formed in two ends of the pump body, a sliding cavity communicated with the two groups of liquid inlets is formed in the pump body, two groups of pistons are movably arranged in the sliding cavity and respectively correspond to the two groups of liquid inlets, a first connecting rod is fixedly arranged on one side opposite to the two groups of pistons, a notch is formed in the upper part of the pump body, the iron cores extend from the notch to the inside of the sliding cavity, the tail ends of the two groups of first connecting rods are hinged with second connecting rods, one ends, far away from the first connecting rods, of the two groups of second connecting rods are hinged to the side wall of the iron cores, the bottom of the iron cores is connected with the bottom of the sliding cavity through elastic pieces, the vertical sectional area of the inner cavity of the sliding cavity is larger than the vertical sectional area of the liquid inlet, a first sealing plate capable of rotating towards the inside of the sliding cavity is hinged to the joint of the sliding cavity and the liquid inlet, the liquid outlet is formed in the bottom of the pump body, a channel used for communicating the sliding cavity and the liquid outlet is formed in the pump body, the communicating position of the channel and the sliding cavity is located between the corresponding piston and the corresponding liquid inlet, and a second sealing plate capable of rotating inwards is arranged in the liquid outlet.

As a further improvement of the utility model: a concave hole is formed in the bottom of the inner side of the sliding cavity, and one end, far away from the iron core, of the elastic piece extends to the inside of the concave hole and is fixedly connected with the bottom of the concave hole.

As a further improvement of the utility model: the elastic piece is a spring.

As a further improvement of the utility model: the horizontal sectional area of the concave hole is smaller than that of the iron core.

As a further improvement of the present invention: the fixed plate that extends to the outside is fixed to casing bottom edge, the fixed plate with can dismantle through the screw and be connected between the pump body.

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

the embodiment of the utility model provides a through carrying out the intermittent type formula power supply to the coil, the cooperation elastic component realizes the upper and lower reciprocating motion of iron core to order about the piston at the inside horizontal reciprocating motion of sliding chamber, thereby continuous with external liquid suction to sliding chamber inside, again by the continuous output of passageway and liquid outlet, realize that the continuity of liquid is supplied with, compare in prior art, cancelled the use of motor, have simple structure, low cost and carry effectual advantage.

Drawings

FIG. 1 is a schematic structural diagram of an electromagnetic underwater urea electromagnetic pump;

FIG. 2 is a schematic external view of an electromagnetic underwater urea electromagnetic pump;

FIG. 3 is an enlarged view of area A of FIG. 1;

in the figure: 1-pump body, 2-liquid inlet, 3-piston, 4-first connecting rod, 5-second connecting rod, 6-shell, 7-coil, 8-cylinder, 9-iron core, 10-gap, 11-sliding cavity, 12-elastic piece, 13-liquid outlet, 14-concave hole, 15-channel and 16-first sealing plate.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, the present embodiment provides an electromagnetic type underwater urea electromagnetic pump, which includes a pump body 1, a housing 6 is fixedly disposed on an upper portion of the pump body 1, a cylinder 8 is fixedly disposed on a top portion of an inner side of the box body 6, a coil 7 is wound on an outer side of the cylinder 8, vertically distributed iron cores 9 are movably disposed inside the cylinder 8, liquid inlets 2 are disposed at two ends of the pump body 1, a sliding cavity 11 communicated with the two liquid inlets 2 is disposed inside the pump body 1, two sets of pistons 3 are movably disposed inside the sliding cavity 11, the two sets of pistons 3 respectively correspond to the two sets of liquid inlets 2, a first connecting rod 4 is fixedly disposed on a side opposite to the two sets of pistons 3, a notch 10 is disposed on an upper portion of the pump body 1, the iron cores 9 extend from the notch 10 to an inside the sliding cavity 11, and a second, two sets of second connecting rods 5 keep away from the one end of first connecting rod 4 articulated extremely 9 lateral walls of iron core, 9 bottoms of iron core link to each other through

elastic component

12 and 11 bottoms in sliding chamber, the vertical sectional area of inner chamber of sliding chamber 11 is greater than 2 vertical sections of inlet, and the articulated first shrouding 16 that can be to sliding chamber 11 inside pivoted that is provided with of the junction of sliding chamber 11 and inlet 2, liquid outlet 13 has been seted up to 1 bottom of the pump body, and 1 inside of the pump body is seted up and is used for communicateing sliding chamber 11 and liquid outlet 13's passageway 15, and passageway 15 and sliding chamber 11's intercommunication position are located corresponding piston 3 and correspond between the inlet 2, the inside second shrouding that can inwards rotate that is provided with of liquid outlet 13.

Intermittently electrifying the coil 7, when the coil 7 is in an electrified state, moving the iron core 9 upwards, further moving one end of the second connecting rod 5 upwards, and driving the piston 3 to move towards the inside of the sliding cavity 11 by using the second connecting rod 5 to pull the first connecting rod 4, so that liquid conveyed by an external belt is sucked into the sliding cavity 11 from the liquid inlet 2; when the coil 9 is in a power-off state, the elastic element 12 can drive the iron core 9 to move downwards, and further drive the first connecting rod 4 and the piston 3 to move reversely through the second connecting rod 5, at this time, under the action of the first sealing plate 16, liquid in the sliding cavity 11 can enter the liquid outlet 13 through the channel 15, and the second sealing plate is pushed to be output from the port of the liquid outlet 13; the continuous feeding and supplying of the liquid can be realized by the continuous power on and off of the coil 7.

Specifically, concave hole 14 has been seted up to slide 3 inboard bottoms, the one end that iron core 9 was kept away from to elastic component 12 extends to inside and with concave hole 14 bottom fixed connection of concave hole 14.

Specifically, the elastic member 12 is a spring.

In this embodiment, the horizontal sectional area of the concave hole 14 is smaller than the horizontal sectional area of the iron core 9, so that the iron core 9 can collide with the bottom of the sliding cavity 11 when moving downwards, and the iron core is prevented from entering the concave hole 14, thereby preventing the iron core 9 from moving downwards excessively, and driving the piston 3 to move towards the inside of the sliding cavity 1 again, and thus, the liquid inside the sliding cavity 11 is not completely conveyed.

Example 2

Referring to fig. 1-2, in this embodiment, compared to embodiment 1, a fixing plate extending outward is fixedly disposed at a bottom edge of the housing 6, and the fixing plate is detachably connected to the pump body 1 through screws, so that the housing 6 is conveniently detached from an upper portion of the pump body 1 to maintain and replace components such as the iron core 9 and the coil 7.

The embodiment of the utility model provides a through carrying out intermittent type formula power supply to coil 7, cooperation elastic component 12 realizes the upper and lower reciprocating motion of iron core 9 to order about piston 3 at the inside horizontal reciprocating motion of sliding chamber 11, thereby continuous with external liquid suction to sliding chamber 11 inside, again by the continuous output of passageway 15 and liquid outlet 13, realize that the continuity of liquid is supplied with, compare in prior art, cancelled the use of motor, have simple structure, low cost and carry effectual advantage.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An electromagnetic type underwater urea electromagnetic pump comprises a pump body (1), wherein a shell (6) is fixedly arranged on the upper portion of the pump body (1), a cylinder body (8) is fixedly arranged at the top of the inner side of the shell (6), a coil (7) is wound on the outer side of the cylinder body (8), and vertically distributed iron cores (9) are movably arranged in the cylinder body (8), and the electromagnetic type underwater urea electromagnetic pump is characterized in that liquid inlets (2) are formed at two ends of the pump body (1), a sliding cavity (11) communicated with the two liquid inlets (2) is formed in the pump body (1), two groups of pistons (3) are movably arranged in the sliding cavity (11), the two groups of pistons (3) respectively correspond to the two groups of liquid inlets (2), a first connecting rod (4) is fixedly arranged on one side, opposite to the two groups of pistons (3), a notch (10) is formed in the upper portion of the pump body (1), and the iron cores (9) extend from the notch (10) to the inside of the sliding cavity (11), the tail ends of the two groups of first connecting rods (4) are hinged with second connecting rods (5), one ends of the two groups of second connecting rods (5) far away from the first connecting rods (4) are hinged to the side wall of the iron core (9), the bottom of the iron core (9) is connected with the bottom of the sliding cavity (11) through an elastic piece (12), the vertical sectional area of the inner cavity of the sliding cavity (11) is larger than the vertical sectional area of the liquid inlet (2), and the joint of the sliding cavity (11) and the liquid inlet (2) is hinged with a first sealing plate (16) which can rotate towards the inside of the sliding cavity (11), liquid outlet (13) have been seted up to pump body (1) bottom, and inside passageway (15) of seting up and being used for communicateing smooth chamber (11) and liquid outlet (13) of pump body (1), passageway (15) and the intercommunication position in smooth chamber (11) are located corresponding piston (3) and correspond between inlet (2), but liquid outlet (13) inside is provided with inside pivoted second shrouding.

2. The electromagnetic type underwater urea electromagnetic pump as claimed in claim 1, wherein a concave hole (14) is formed in the bottom of the inner side of the sliding cavity (11), and one end of the elastic member (12) far away from the iron core (9) extends into the concave hole (14) and is fixedly connected with the bottom of the concave hole (14).

3. The electromagnetic underwater urea electromagnetic pump according to claim 1 or 2, characterized in that said elastic member (12) is a spring.

4. An electromagnetic underwater urea electromagnetic pump according to claim 2, characterized in that the horizontal cross-section of said recess (14) is smaller than the horizontal cross-section of said core (9).

5. The electromagnetic underwater urea electromagnetic pump according to claim 1, characterized in that a fixing plate extending outwards is fixedly arranged on the bottom edge of the housing (6), and the fixing plate is detachably connected with the pump body (1) through screws.