CN217152251U

CN217152251U - Electromagnetic diaphragm pump

Info

Publication number: CN217152251U
Application number: CN202123250911.4U
Authority: CN
Inventors: 潘刚; 赵亮亮
Original assignee: Ningbo Jiayin Electrical And Mechanical Technology Co ltd
Current assignee: Ningbo Jiayin Electrical And Mechanical Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-09
Anticipated expiration: 2031-12-20

Abstract

The electromagnetic diaphragm pump comprises a magnetic isolation tube, a pump core, a diaphragm and a pump core seat, wherein the diaphragm is arranged between the magnetic isolation tube and the pump core seat, the pump core is movably arranged in the magnetic isolation tube, and the diaphragm is arranged at one end, facing the pump core seat, of the pump core; the magnetic isolation pipe is provided with a vent hole, the position of the vent hole on the magnetic isolation pipe corresponds to the joint of the pump core and the diaphragm, and the magnetic isolation pipe can be communicated with the outside air through the vent hole. The utility model discloses an electromagnetic diaphragm pump on the basis of the user demand who satisfies electromagnetic diaphragm pump work, can be so that this electromagnetic diaphragm pump during operation, this air vent can not be contacted to the diaphragm, and then can not take place to warp when avoiding the diaphragm to support and press the magnetic isolation pipe, has the effect that improves this electromagnetic diaphragm pump flow uniformity and stability.

Description

Electromagnetic diaphragm pump

Technical Field

The application relates to the technical field of flow control, in particular to an electromagnetic diaphragm pump.

Background

When the electromagnetic diaphragm pump works, the flow of fluid is regulated, the movement of the diaphragm is driven by the pump core through a magnetic field generated by electrifying the coil, and the fluid is sucked into the diaphragm pump by utilizing pressure difference and then discharged. The diaphragm and the pump core seat in the electromagnetic diaphragm pump are matched to form a closed cavity, the pressure in the closed cavity can be smaller than the external atmospheric pressure through the combination of the diaphragms to form the function of sucking fluid, and in the process, the magnetism isolating pipe must have a structure for releasing air pressure and air flow so as to be suitable for the air flow and the air pressure generated by the movement of the pump core in the magnetism isolating pipe.

At present, three grooves are usually formed beside an excircle, used for assembling a diaphragm, on a magnetism isolating pipe of an existing electromagnetic diaphragm pump and are communicated with outside air through the grooves, so that when the electromagnetic diaphragm pump works, air pressure and air flow are released through the three grooves formed in the magnetism isolating pipe. However, when the electromagnetic diaphragm pump works, the pump core drives the diaphragm to abut against the magnetism isolating pipe, and the magnetism isolating pipe is provided with the groove, so that the diaphragm can deform slightly after being pressed when abutting against the magnetism isolating pipe, and the flow consistency and stability of the electromagnetic diaphragm pump are affected.

Disclosure of Invention

In view of the above, there is a need for an electromagnetic diaphragm pump that improves flow consistency and stability.

An electromagnetic diaphragm pump comprises a magnetism isolating pipe, a pump core, a diaphragm and a pump core seat, wherein the diaphragm is arranged between the magnetism isolating pipe and the pump core seat, the pump core is movably arranged in the magnetism isolating pipe, and the diaphragm is arranged at one end, facing the pump core seat, of the pump core;

the magnetic isolation pipe is provided with a vent hole, the position of the vent hole on the magnetic isolation pipe corresponds to the joint of the pump core and the diaphragm, and the magnetic isolation pipe can be communicated with the outside air through the vent hole.

It can be understood that the communication between the diaphragm pipe and the outside air is realized through the structural arrangement of the vent hole, so that the use requirement of the electromagnetic diaphragm pump in work is met; and through the reasonable position setting of above-mentioned air vent for this electromagnetism diaphragm pump during operation, the diaphragm can not contact this air vent, and then can not take place the deformation when avoiding the diaphragm to support and press the magnetism-isolating pipe, has the effect that improves this electromagnetism diaphragm pump flow uniformity and stability.

In one embodiment, the magnetic isolation pipe comprises a straight pipe part, a reaming connecting part and an extending mounting part, the diaphragm is arranged at the position of the extending mounting part, and the pump core seat can be matched with the extending mounting part and tightly press the diaphragm; the vent hole is arranged at the position of the reaming connecting part.

It can be understood that the structural arrangement of the magnetism isolating pipe is realized by the structural arrangement of the straight pipe part, the reaming connecting part and the extension mounting part.

In one embodiment, the reaming connection has a diaphragm contact surface, the vent hole is disposed outside the diaphragm contact surface, and the pump core can drive the diaphragm to selectively abut against the diaphragm contact surface.

It can be understood that the structure arrangement that the vent hole avoids the diaphragm is realized through the arrangement of the reasonable positions of the contact surface of the diaphragm and the vent hole.

In one embodiment, the number of the vent holes is multiple, and the vent holes are arranged at intervals in sequence.

It can be understood that the number of the vent holes is set to be multiple, and the vent holes are sequentially arranged at intervals, so that when the electromagnetic diaphragm pump works, the magnetic isolation pipe can exchange gas with outside air through the vent holes, and the use requirement of the electromagnetic diaphragm pump is further met.

In one embodiment, a plurality of the vent holes are arranged on the counterbore connection portion along a circumference of the counterbore connection portion.

It will be appreciated that the arrangement of the plurality of vent holes on the counter-bore connection is particularly achieved by arranging the vent holes on the counter-bore connection in the manner described above.

In one embodiment, a connecting channel is arranged on one end part of the straight pipe part far away from the reaming connecting part, and the magnetism isolating pipe can be communicated with the outside air through the connecting channel.

It can be understood that, through the structural arrangement of the connecting channel, when the electromagnetic diaphragm pump works, the magnetism isolating pipe can also exchange gas with the outside air through the connecting channel, and the reciprocating motion of the pump core in the magnetism isolating pipe is further ensured.

In one embodiment, the straight pipe part is provided with a limiting boss at the position of the connecting channel, a pump core spring is further arranged in the magnetism isolating pipe, one end of the pump core spring abuts against the pump core, and the other end of the pump core spring abuts against the limiting boss.

It can be understood that the supporting of the magnetism isolating pipe to the pump core spring is realized through the structural arrangement of the limiting boss.

In one embodiment, the electromagnetic diaphragm pump further includes a magnetic conductor and a coil assembly, the magnetic isolation tube is disposed through the magnetic conductor, the coil assembly is disposed in the magnetic conductor, and a magnetic field generated by energizing the coil assembly can act on the pump core to drive the pump core to move in a direction away from the pump core seat.

It can be understood that, through the structural arrangement of the magnetizer and the coil assembly, the electromagnetic diaphragm pump particularly realizes the driving of the pump core to compress the pump core spring when working.

In one embodiment, the magnetizer comprises two magnetic conductive half brackets, and the two magnetic conductive half brackets are connected and fixed in a riveting manner.

It can be understood that, through the structural arrangement of the two magnetic conductive half brackets, the structural arrangement of the magnetizer is realized.

In one embodiment, the magnetic conductive half bracket comprises a short side plate and a long side plate, and the long side plate is vertically connected to the short side plate; the short side plate is provided with a first riveting connection part, the long side plate is provided with a second riveting connection part corresponding to the first riveting connection part, and the length of the first riveting connection part is smaller than that of the second riveting connection part.

It can be understood that, through the structure setting of above-mentioned first riveting connecting portion and second riveting connecting portion for this electromagnetic diaphragm pump can directly keep flat through the plane at the long limit board place of this magnetizer, so that to the location of this electromagnetic diaphragm pump, make procedures such as the follow-up labeling of this electromagnetic diaphragm pump, packing can be applicable to automated operation, have the effect that improves production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a cross-sectional view of an electromagnetic diaphragm pump provided herein.

FIG. 2 is a cross-sectional view of a septum magnet tube of the present application.

Fig. 3 is an exploded view of the magnetizer according to the present application.

Reference numerals: 10. a magnetism isolating pipe; 11. a straight tube portion; 111. a connecting channel; 112. a limiting boss; 12. reaming the connecting part; 121. a membrane contact surface; 13. an extension mounting portion; 20. a pump core; 21. a pump core spring; 30. a membrane; 40. a pump cartridge seat; 50. a magnetizer; 51. a magnetically conductive half support; 511. a short side plate; 5111. a first riveting connection part; 512. a long-side plate; 5121. a second riveting connection part; 60. a coil assembly; 70. a valve body; 71. a check head; 101. sealing the cavity; 102. and (4) a vent hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The use of the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like in the description of the present application is for purposes of illustration only and is not intended to represent the only embodiment.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present application provides an electromagnetic diaphragm pump, which includes a magnetism isolating tube 10, a pump core 20, a diaphragm 30, a pump core seat 40, a magnetizer 50, a coil assembly 60 and a valve body 70.

The utility model provides a magnetism barrier pipe 10 runs through magnetizer 50 and sets up, coil pack 60 sets up the position between magnetism barrier pipe 10 and magnetizer 50, diaphragm 30 is installed between magnetism barrier pipe 10 and pump core seat 40, pump core 20 sets up in magnetism barrier pipe 10 movably, wherein a tip that pump core 20 was towards pump core seat 40 is connected in diaphragm 30, make this electromagnetic diaphragm pump during operation, the magnetic field that coil pack 60 produced after circular telegram can realize that pump core 20 drives diaphragm 30 motion, so that make the cooperation of diaphragm 30 and pump core seat 40 and some airtight die cavities 101 that are formed take place atmospheric pressure and change, utilize pressure differential, can make this valve body 70 from the external fluid of inhaling, then discharge. It should be noted that the two passages of the valve body 70 connected with the pump core seat 40 are respectively provided with two check heads 71, so that the valve body 70 can suck in the fluid in one direction and then discharge the fluid in one direction when the electromagnetic diaphragm pump works, which will not be described herein.

In the application, the magnetic isolation tube 10 of the application is provided with the vent hole 102, the vent hole 102 corresponds to the joint of the pump core 20 and the diaphragm 30 at the position on the magnetic isolation tube 10, and the magnetic isolation tube 10 can be communicated with the outside air through the vent hole 102 so as to meet the use requirement of the electromagnetic diaphragm pump in work; and through the reasonable position arrangement of the vent hole 102, when the electromagnetic diaphragm pump works, the diaphragm 30 does not contact the vent hole 102, and further the diaphragm 30 is prevented from deforming when being pressed against the magnetism isolating pipe 10, and the function of improving the flow consistency and stability of the electromagnetic diaphragm pump is achieved.

Referring to fig. 2, the magnetic isolation tube 10 of the present application includes a straight tube portion 11, a reaming connection portion 12 and an extension installation portion 13, the diaphragm 30 is disposed at the position of the extension installation portion 13, and the pump core seat 40 can cooperate with the extension installation portion 13 and press the diaphragm 30, the pump core 20 is movably installed in the straight tube portion 11 of the magnetic isolation tube 10, and the vent hole 102 is disposed at the position of the reaming connection portion 12, so as to implement the structural arrangement of the magnetic isolation tube 10.

The hole-enlarging connecting portion 12 has a membrane contact surface 121, the vent hole 102 is disposed outside the membrane contact surface 121, and the pump core 20 can drive the membrane to selectively abut against the membrane contact surface 121, thereby realizing the structural arrangement that the vent hole 102 avoids the membrane 30.

In an embodiment, the number of the vent holes 102 is multiple, and the plurality of vent holes 102 are sequentially arranged at intervals, so that when the electromagnetic diaphragm pump works, the magnetic isolation tube 10 can exchange gas with the outside air through the vent holes 102, and the use requirement of the electromagnetic diaphragm pump is further met. It should be noted that the shape and the aperture of the vent hole 102 can be specifically set according to the requirement of use, and will not be described herein.

Further, the plurality of vent holes 102 are arranged on the reamer coupling portion 12 along the circumferential direction of the reamer coupling portion 12, thereby embodying the structural arrangement of the plurality of vent holes 102 on the reamer coupling portion 12. Of course, the arrangement of the plurality of ventilation holes 102 on the reaming connection portion 12 is not limited to that shown in the drawings, and it will be obvious to those skilled in the art that the plurality of ventilation holes 102 may be arranged in a staggered manner or in any other manner on the reaming connection portion 12, and will not be further described herein.

In another embodiment, the straight tube portion 11 of the magnetic shield tube 10 of this embodiment has a connecting channel 111 at one end portion away from the counterbore connecting portion 12, and the magnetic shield tube 10 can communicate with the outside air through the connecting channel 111, so that when the electromagnetic diaphragm pump operates, the magnetic shield tube 10 can exchange gas with the outside air through the connecting channel 111, and further the pump core 20 can be ensured to reciprocate in the magnetic shield tube 10.

The straight pipe part 11 is provided with a limit boss 112 at the position of the connecting channel 111, a pump core spring 21 is further arranged in the magnetism isolating pipe 10, one end of the pump core spring 21 leans against the pump core 20, and the other end leans against the limit boss 112, so that the magnetism isolating pipe 10 supports the pump core spring 21.

Referring to fig. 3, the magnetizer 50 includes two magnetic conductive half-brackets 51, and the two magnetic conductive half-brackets 51 are connected and fixed in a riveting manner, thereby implementing the structural configuration of the magnetizer 50. It should be noted that, the two magnetic conductive half brackets 51 are centrosymmetric, so as to facilitate the production and preparation of the magnetic conductor 50, and have the function of reducing the production cost of the magnetic conductor 50.

The magnetic half-bracket 51 comprises a short side plate 511 and a long side plate 512, and the long side plate 512 is vertically connected to the short side plate 511; wherein, be equipped with first riveting connecting portion 5111 on the short margin board 511, be equipped with the second riveting connecting portion 5121 that corresponds to first riveting connecting portion 5111 on the long margin board 512, the length of first riveting connecting portion 5111 is less than the length of second riveting connecting portion 5121, when making two magnetic conduction half supports 51 carry out the riveting fixed, the first riveting connecting portion 5111 of short margin board 511 and the second riveting connecting portion 5121 of long margin board 512 correspond respectively on two magnetic conduction half supports 51 and place, then through the mode of riveting second riveting connecting portion 5121, realize the riveting fixed between two magnetic conduction half supports 51.

It can be understood that, through the structural arrangement of the first riveting connection portion 5111 and the second riveting connection portion 5121, the electromagnetic diaphragm pump can be directly flatly placed on the plane where the long side plate 512 of the magnetizer 50 is located, so that the electromagnetic diaphragm pump can be conveniently positioned, the subsequent labeling, packaging and other processes of the electromagnetic diaphragm pump can be suitable for automatic operation, and the electromagnetic diaphragm pump has the effect of improving the production efficiency.

In conclusion, the electromagnetic diaphragm pump has the function of improving the flow consistency and stability of the electromagnetic diaphragm pump through the reasonable structural arrangement of the vent holes 102; meanwhile, through the structural arrangement of the magnetizer 50, the electromagnetic diaphragm pump can be flatly placed directly by the magnetizer 50, so that the electromagnetic diaphragm pump can be positioned conveniently.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. An electromagnetic diaphragm pump comprises a magnetism isolating pipe (10), a pump core (20), a diaphragm (30) and a pump core seat (40), wherein the diaphragm (30) is installed between the magnetism isolating pipe (10) and the pump core seat (40), the pump core (20) is movably arranged in the magnetism isolating pipe (10), and the diaphragm (30) is arranged at one end, facing the pump core seat (40), of the pump core (20);

the magnetic isolation pump is characterized in that the magnetic isolation pipe (10) is provided with a vent hole (102), the position of the vent hole (102) on the magnetic isolation pipe (10) corresponds to the connection position of the pump core (20) and the diaphragm (30), and the magnetic isolation pipe (10) can be communicated with the outside air through the vent hole (102).

2. The electromagnetic diaphragm pump according to claim 1, wherein the magnetism isolating pipe (10) comprises a straight pipe portion (11), a reaming connecting portion (12) and an extension mounting portion (13), the diaphragm (30) is arranged at a position of the extension mounting portion (13), and the pump core holder (40) can be matched with the extension mounting portion (13) and press the diaphragm (30); the vent hole (102) is arranged at the position of the reaming connecting part (12).

3. The electromagnetic diaphragm pump of claim 2, wherein the counterbore connection (12) has a diaphragm contact surface (121), the vent hole (102) is disposed outside the diaphragm contact surface (121), and the pump core (20) is capable of bringing the diaphragm (30) selectively against the diaphragm contact surface (121).

4. The electromagnetic diaphragm pump according to claim 2, wherein the number of the vent holes (102) is plural, and the plural vent holes (102) are arranged in sequence at intervals.

5. The electromagnetic diaphragm pump according to claim 4, wherein a plurality of the vent holes (102) are arranged on the counterbore connection portion (12) in a circumferential direction of the counterbore connection portion (12).

6. The electromagnetic diaphragm pump according to claim 2, wherein the straight tube portion (11) is opened with a connecting passage (111) at an end portion thereof remote from the counterbore connecting portion (12), and the magnet isolating tube (10) is communicable with the outside air through the connecting passage (111).

7. The electromagnetic diaphragm pump according to claim 6, wherein the straight tube portion (11) is provided with a limit boss (112) at a position where the connecting passage (111) is located, and a pump core spring (21) is further provided in the magnetism isolating tube (10), one end of the pump core spring (21) abuts against the pump core (20), and the other end abuts against the limit boss (112).

8. The electromagnetic diaphragm pump according to claim 1, further comprising a magnetic conductor (50) and a coil assembly (60), wherein the magnetic isolation tube (10) is disposed through the magnetic conductor (50), the coil assembly (60) is disposed in the magnetic conductor (50), and a magnetic field generated by energizing the coil assembly (60) can act on the pump core (20) to drive the pump core (20) to move in a direction away from the pump core holder (40).

9. The electromagnetic diaphragm pump according to claim 8, characterized in that the magnetic conductor (50) comprises two magnetic conductive half brackets (51), and the two magnetic conductive half brackets (51) are connected and fixed in a riveting manner.

10. The electromagnetic diaphragm pump of claim 9, wherein said magnetically conductive half-frame (51) comprises a short side plate (511) and a long side plate (512), said long side plate (512) being connected perpendicularly to said short side plate (511); the short side plate (511) is provided with a first riveting connection part (5111), the long side plate (512) is provided with a second riveting connection part (5121) corresponding to the first riveting connection part (5111), and the length of the first riveting connection part (5111) is smaller than that of the second riveting connection part (5121).