CN213637447U - Permanent magnet diaphragm pump - Google Patents
Permanent magnet diaphragm pump Download PDFInfo
- Publication number
- CN213637447U CN213637447U CN202022676310.9U CN202022676310U CN213637447U CN 213637447 U CN213637447 U CN 213637447U CN 202022676310 U CN202022676310 U CN 202022676310U CN 213637447 U CN213637447 U CN 213637447U
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- permanent magnet
- transmission shaft
- shaft
- piston
- piston shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000009351 contact transmission Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a permanent magnet diaphragm pump belongs to electronic diaphragm pump technical field. The device comprises a motor reducer, a pump shell, a base, a transmission shaft, a piston shaft and a diaphragm, wherein the transmission shaft and the piston shaft are arranged in the pump shell; one end of the transmission shaft is arranged on an output shaft of the motor reducer, a bearing is arranged on the transmission shaft, and a transmission shaft permanent magnet is embedded in the other end of the transmission shaft; one end of the piston shaft is connected with the diaphragm through a pressure plate and a screw; a piston shaft permanent magnet is embedded in the other end of the piston shaft; the two magnetic poles of the transmission shaft permanent magnet and the piston shaft permanent magnet are opposite. Through the mutual action of the permanent magnet of the transmission shaft and the permanent magnet of the piston shaft, the non-contact transmission between the transmission shaft and the piston shaft can be realized, the friction between the bearing and the transmission shaft in the use process of the existing electric diaphragm pump is eliminated, the service life of parts is prolonged, and meanwhile, the motor can also play a role in overload protection.
Description
Technical Field
The utility model belongs to the technical field of electronic diaphragm pump, concretely relates to permanent magnetism diaphragm pump.
Background
The electric diaphragm pump is characterized in that a motor drives a speed reducer to start, so that an eccentric shaft and an on-shaft bearing are driven to rotate, the bearing is in contact with two sides of a middle gap of a piston shaft, the piston shaft is driven to do reciprocating motion through the rotation of the bearing, diaphragm sheets on two sides are driven by the piston shaft to swing back and forth, and then the volume of a working cavity is changed to suck and discharge liquid.
The transmission part of the existing electric diaphragm pump is in pure mechanical contact transmission, friction exists between a bearing and a piston shaft in the working process, abrasion is easy to occur, and the service life of parts is short. In addition, the motor has no overload protection function, and the motor is easy to damage after overload.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permanent magnet diaphragm pump to there is the friction between current electronic diaphragm pump bearing that proposes in solving above-mentioned background art and the piston shaft, easily takes place wearing and tearing, and part life is short, and it does not have overload protect function, the problem of the fragile motor of overload back.
In order to achieve the above object, the utility model provides a following technical scheme: the permanent magnet diaphragm pump comprises a motor reducer, a pump shell, a base, a transmission shaft, a piston shaft and a diaphragm. The motor reducer is arranged on the base and connected with the pump shell; the pump shell is arranged on a diaphragm shield connected with the pump chamber, and a transmission shaft and a piston shaft are arranged in the pump shell; one end of the transmission shaft is arranged on an output shaft of the motor reducer, a bearing is arranged on the transmission shaft, and a transmission shaft permanent magnet is embedded in the other end of the transmission shaft; one end of the piston shaft is connected with the diaphragm through a pressure plate and a screw; a piston shaft permanent magnet is embedded in the other end of the piston shaft; the two magnetic poles of the transmission shaft permanent magnet and the piston shaft permanent magnet are opposite.
Preferably, a permanent magnet of the transmission shaft is embedded in one end of the transmission shaft, magnetic fields are generated on two surfaces of the permanent magnet of the transmission shaft, one end of the permanent magnet of the transmission shaft is a positive pole, and the other end of the permanent magnet of the transmission shaft is a negative pole.
Preferably, piston shaft permanent magnets are embedded in one ends of the piston shafts, one magnetic pole of each piston shaft permanent magnet faces the transmission shaft permanent magnet, and the magnetic poles of the sides, facing the transmission shaft permanent magnets, of the piston shaft permanent magnets on the two piston shafts are opposite.
Preferably, the piston shaft permanent magnet and the transmission shaft permanent magnet are circular permanent magnets.
Compared with the prior art, the beneficial effects of the utility model are that:
through the interaction between the transmission shaft permanent magnet and the piston shaft permanent magnet, the rotary motion of the output shaft of the motor is converted into the reciprocating motion of the piston shaft, and the problems that a bearing and the piston shaft are rubbed during the operation of the conventional electric diaphragm pump, the abrasion is easy to occur, and the service life of parts is short are solved. The utility model discloses utilize the interact transmission power between the permanent magnet magnetic field, reach contactless transmission between transmission shaft and the piston shaft, eliminated the friction between bearing and the transmission shaft, prolonged the life of part, can also play overload protection's effect to the motor simultaneously, the advantage is obvious in market competition.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an external view of the present invention;
fig. 3 is the internal structure diagram of the pump body of the present invention.
In the figure: 1. a motor reducer; 2. a pump housing; 3. a base; 4. a drive shaft; 5. a piston shaft; 6. a diaphragm sheet; 7. a piston shaft permanent magnet; 8. a drive shaft permanent magnet; 9. a bearing; 10. pressing a plate; 11. and (4) screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-3, the present invention provides a technical solution: a permanent magnet diaphragm pump comprising: motor reducer 1, pump casing 2, base 3, transmission shaft 4, piston shaft 5 and diaphragm 6. The motor reducer 1 is arranged on the base 3 and connected with the pump shell 2; the pump shell 2 is arranged between two diaphragm shields connected with the inner side of the pump chamber; the two groups of diaphragm shields are two, each group of diaphragm shields is covered outside the diaphragm 6, the pump shell 2 is connected with the pump chamber through bolts, and the pump shell 2 is internally provided with a transmission shaft 4 and a piston shaft 5; one end of the transmission shaft 4 is arranged on an output shaft of the motor speed reducer 1 to output the revolution number of the motor speed reducer 1, and the transmission shaft 4 is connected with the pump shell 2 through a bearing 9 to support the transmission shaft 4; a transmission shaft permanent magnet 8 is embedded at the other end of the transmission shaft 4, so that the other end of the transmission shaft 4 is provided with a magnetic field; one end of the piston shaft 5 is connected with the diaphragm 6 through a pressure plate 10 and a screw 11, so that the piston shaft 5 can drive the diaphragm 6 to reciprocate to change the volume of the pump chamber; a piston shaft permanent magnet 7 is embedded at the other end of the piston shaft 5, so that the other end of the piston shaft 5 is provided with a magnetic field; the transmission shaft permanent magnet 8 and the piston shaft permanent magnet 7 are opposite in two magnetic poles to generate interaction of magnetic fields.
In order to enable one end of the transmission shaft 4 to generate a magnetic field, in this embodiment, it is preferable that one end of the transmission shaft 4 is embedded with a transmission shaft permanent magnet 8, two sides of the transmission shaft permanent magnet 8 generate magnetic fields, and one end is a positive electrode and the other end is a negative electrode.
In order to generate a magnetic field at one end of the piston shaft 5, in this embodiment, it is preferable that one end of the piston shaft 5 is embedded with a piston shaft permanent magnet 7, one of the magnetic poles faces the transmission shaft permanent magnet 8, and the magnetic poles of the sides of the piston shaft permanent magnets 7 on the two piston shafts 5 facing the transmission shaft permanent magnet 8 are opposite. The permanent magnet 8 of the transmission shaft can attract or repel the permanent magnets 7 of the piston shafts on the two sides at the same time, and acting forces on the two sides are mutually offset, so that the lateral force of the transmission shaft 4 is eliminated; because the magnetic field intensity is inversely related to the cube of the distance r, the acting force can be rapidly reduced along with the increase of the distance between the two permanent magnets, the strokes of the two piston shafts 5 need to be determined to be limited according to the actual condition, and the acting force when the distance between the two permanent magnets is the maximum can meet the use requirement; in the process that the transmission shaft 4 drives the transmission shaft permanent magnet 8 to rotate, when the upper half part of the same magnetic pole of the transmission shaft permanent magnet 8 is close to the piston shaft permanent magnet 7, the lower half part of the same magnetic pole of the transmission shaft permanent magnet 8 is far away from the piston shaft permanent magnet 7, and the speeds of the upper half part and the lower half part are the same, so that the stability of the magnetic force applied to the piston shaft permanent magnets 7 on two sides by the two magnetic poles in the rotating process of the transmission shaft permanent magnet 8 is ensured, and the size of the interaction force between the transmission shaft permanent magnet 8 and.
In order to utilize the magnetic field of the permanent magnet to the maximum extent, in the embodiment, it is preferable that the piston shaft permanent magnet 7 and the transmission shaft permanent magnet 8 are circular permanent magnets, so that permanent magnets with larger diameters can be adopted in the allowable range of the piston shaft 5, thereby increasing the acting area;
the utility model discloses a theory of operation and use flow: after this permanent magnet diaphragm pump installation is accomplished, motor reducer 1 drives transmission shaft 4 and transmission shaft permanent magnet 8 of inlaying on it and makes rotary motion, transmission shaft permanent magnet 8 and the 7 interact of piston shaft permanent magnet (inter attraction or repulsion) of both sides, along with the continuous rotation of transmission shaft permanent magnet 8, the magnetic pole orientation of its both sides also constantly changes, and then drive piston shaft permanent magnet 7 and the piston shaft 5 of both sides and make reciprocating motion, both sides piston shaft 5 drives the diaphragm 6 round trip to be bloated rather than being connected, thereby make the volume of working chamber constantly change in the pump, can inhale and discharge liquid.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Permanent magnetism diaphragm pump, including motor reducer (1), pump casing (2), base (3), transmission shaft (4), piston shaft (5) and diaphragm (6), its characterized in that: the motor speed reducer (1) is arranged on the base (3) and connected with the pump shell (2); the pump shell (2) is arranged on a diaphragm shield connected with the pump chamber, and a transmission shaft (4) and a piston shaft (5) are arranged in the pump shell (2); one end of the transmission shaft (4) is arranged on an output shaft of the motor speed reducer (1), a bearing (9) is arranged on the transmission shaft (4), and a transmission shaft permanent magnet (8) is embedded in the other end of the transmission shaft (4); one end of the piston shaft (5) is connected with the diaphragm (6) through a pressure plate (10) and a screw (11); a piston shaft permanent magnet (7) is embedded in the other end of the piston shaft (5); the transmission shaft permanent magnet (8) and the piston shaft permanent magnet (7) are opposite in two magnetic poles.
2. A permanent magnet diaphragm pump according to claim 1, wherein: one end of the transmission shaft (4) is embedded with a transmission shaft permanent magnet (8), magnetic fields are generated on two sides of the transmission shaft permanent magnet (8), one side is a positive electrode, and the other side is a negative electrode.
3. A permanent magnet diaphragm pump according to claim 1, wherein: piston shaft permanent magnets (7) are embedded in one ends of the piston shafts (5), one magnetic pole of each piston shaft permanent magnet (7) faces to each transmission shaft permanent magnet (8), and the magnetic poles of the sides, facing to the transmission shaft permanent magnets (8), of the piston shaft permanent magnets (7) on the two piston shafts (5) are opposite.
4. A permanent magnet diaphragm pump according to claim 1, wherein: the piston shaft permanent magnet (7) and the transmission shaft permanent magnet (8) are circular permanent magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676310.9U CN213637447U (en) | 2020-11-18 | 2020-11-18 | Permanent magnet diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676310.9U CN213637447U (en) | 2020-11-18 | 2020-11-18 | Permanent magnet diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213637447U true CN213637447U (en) | 2021-07-06 |
Family
ID=76634666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022676310.9U Active CN213637447U (en) | 2020-11-18 | 2020-11-18 | Permanent magnet diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213637447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700653A (en) * | 2021-10-29 | 2021-11-26 | 宁波佳音机电科技股份有限公司 | Self-priming pump assembly and self-priming pump |
-
2020
- 2020-11-18 CN CN202022676310.9U patent/CN213637447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700653A (en) * | 2021-10-29 | 2021-11-26 | 宁波佳音机电科技股份有限公司 | Self-priming pump assembly and self-priming pump |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240812 Address after: 066004 Building 4, Xinyue Plaza, No. 5 Bohai Road, Qinhuangdao Economic and Technological Development Zone, Qinhuangdao City, Hebei Province, China 06 Patentee after: Qinhuangdao Xinshi Construction Group Co.,Ltd. Country or region after: China Address before: 066004 No.8 Yongding river course, Qinhuangdao Economic and Technological Development Zone, Hebei Province Patentee before: Qinhuangdao Chengjie Technology Co.,Ltd. Country or region before: China |