CN218717300U

CN218717300U - Miniature electromagnetic water pump of less volume

Info

Publication number: CN218717300U
Application number: CN202222822368.9U
Authority: CN
Inventors: 熊颖申; 华川江; 李平华
Original assignee: Shenzhen Cnht Ltd
Current assignee: Shenzhen Cnht Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-24
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a miniature electromagnetic water pump with smaller volume, which is provided with a retainer convenient for positioning and assembling; the method comprises the following steps: the shell is arranged at the middle end of the inner surface of the retainer, the inner surface of the shell is connected with a framework in a nested mode, the outer surface of the framework is wound with an enameled wire, and the inner surface of the framework is connected with a contact piece in a nested mode; and the yoke rings are connected to the upper end and the lower end of the inner surface of the framework in a nested manner. This miniature electromagnetic water pump of less volume, with the little external diameter cancellation of iron core, the change is same big or small external diameter, the sealed pad of crashproof of the preceding increase of iron core, the benefit of doing so lies in that iron core compression pressure spring volume increases before than when the water pump circular telegram, the high-speed reciprocating motion stroke of iron core increases when the water pump circular telegram, the iron core is only an external diameter simultaneously, inside water hole is crossed also corresponding the increase, the water pump water yield is crossed than current electromagnetic water pump structure in the unit interval is big, so the water pump volume diminishes, miniature electromagnetic water pump flow also can meet the demands.

Description

Miniature electromagnetic water pump of less volume

Technical Field

The utility model relates to a miniature electromagnetic water pump technical field specifically is a miniature electromagnetic water pump of less volume.

Background

The miniature electromagnetic water pump is widely applied to household nursing electric products, such as steam cleaners, steam irons, steam brushes, garment steamers and the like.

Among the prior art, among the grant publication No. CN210422911U "a miniature electromagnetic water pump" wherein, the utility model relates to the technical field of water pumps, concretely relates to a miniature electromagnetic water pump, it includes the pump body, installs the magnetic core stem plug device in the pump body, the electromagnetic means of cover locating outside the pump body and the choke valve device of being connected with the magnetic core stem plug device, the magnetic core stem plug device is used for pumping the liquid outside the pump body to the choke valve device, the electromagnetic means promotes the magnetic core stem plug device to do reciprocating motion in the pump body through producing the pulsed electromagnetic field, the utility model discloses a miniature electromagnetic water pump has the advantage that liquid output is stable, and liquid flow continuity is good;

in the working process of the device, the flow path of liquid is further prolonged by the arranged buffer channel, the liquid filled in the buffer channel can effectively improve the continuity of liquid discharge, but the water pump cannot perform dry pumping, the function of the water pump fails after long-time dry pumping, and the flow of the water pump is limited by the volume factor of the water pump to be smaller than the market requirement; the noise vibration ratio of the water pump is large.

In addition among the prior art, among the grant publication No. CN216775116U "a miniature electromagnetic water pump from tape circuit board" wherein, the utility model relates to a water pump technical field especially relates to a miniature electromagnetic water pump from tape circuit board. The water pump comprises a shell, wherein a coupler is arranged at the side end of the shell; the annular framework is arranged in the shell, and a communicating pipe is arranged in the annular framework; the power supply assembly comprises an integrated circuit board, an enameled wire and a coil group, wherein the integrated circuit board is arranged in the shell and is electrically connected with the enameled wire and the coil group at the same time, and the enameled wire and the coil group are sequentially overlapped and sleeved on the annular framework; the magnetic assembly is arranged between the annular framework and the communicating pipe; the flow control assembly comprises a plugging piece, the plugging piece is arranged in the communicating pipe in a sliding mode, and the plugging piece can open and close an opening at one end, close to the connector, of the communicating pipe. The volume of the whole machine can be reduced by arranging the integrated circuit board in the shell, the discharge capacity of the water pump can be accurately controlled by inputting currents with different sizes to the coil group and the enameled wire, and meanwhile, the working stability of the water pump is also effectively improved;

in the working process of the device, the external circuit board is used for controlling the movement and the working of the device, wherein the micro electromagnetic water pump has unstable flow, the flow of the water pump needs to be controlled by means of PCB frequency modulation, and the cost is relatively high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a miniature electromagnetic water pump of smaller volume to solve the above-mentioned background art and propose wherein miniature electromagnetic water pump all has the flow unstability, need control the water pump flow with the help of PCB frequency modulation, relative cost is higher, and the water pump can not be dry-pumped, the water pump function became invalid after long-time dry-pumped, is limited to that self volume factor water pump flow needs slightly littleer than the market simultaneously; the noise and vibration of the water pump are large.

In order to achieve the above object, the utility model provides a following technical scheme: a miniature electromagnetic water pump with smaller volume is provided with a retainer which is convenient for positioning and assembling;

the method comprises the following steps: the shell is arranged at the middle end of the inner surface of the retainer, the inner surface of the shell is connected with a framework in a nested mode, the outer surface of the framework is wound with an enameled wire, and the inner surface of the framework is connected with a contact piece in a nested mode;

the magnetic yoke ring is connected to the upper end and the lower end of the inner surface of the framework in an embedded mode, the inner surface of the magnetic yoke ring is connected with the cylindrical pipe, the upper surface of the cylindrical pipe is assembled with the coupler, the coupler and the retainer are assembled in a threaded mode, and meanwhile the lower end of the inner surface of the cylindrical pipe is embedded with the pressure spring;

the iron core, connect in the upper surface of pressure spring, and the iron core nestification is in the internal surface of cylinder pipe to the internal surface nested connection of iron core has the extension spring, and the inboard block of the upper surface of extension spring is connected with the case.

Through the structure, stable assembly is carried out during use, an electromagnetic control structure is formed, and the gap between the upper part and the lower part of the iron core is reduced and vibration is reduced by adjusting the upper part and the lower part of the iron core to be the same as the diameter.

Preferably, the housing and the coupler form an integrated structure through the holder, the housing and the framework form a built-in nested structure, and the framework is coaxially arranged with the enameled wire and the housing.

Through above-mentioned structure, improve the stability between the device when using, prevent that the device from appearing droing or misplacing.

Preferably, the yoke ring and the framework form a built-in nested structure, the yoke ring is symmetrically arranged relative to the middle end of the inner surface of the framework, the diameter of the inner surface of the yoke ring is consistent with that of the middle end of the inner surface of the framework, and the yoke ring and the framework and the cylindrical pipe form the built-in nested structure.

Through the structure, stable built-in assembly is formed in use and the iron core is arranged up and down to be controlled to move up and down.

Preferably, the iron core and the cylindrical tube form an electromagnetic regulation elastic structure through a pressure spring, the iron core and the lower end of the tension spring form a nested structure, the iron core and the valve core form a built-in nested structure through the tension spring, the upper end of the outer surface of the valve core is arranged in a conical shape, and the valve core and the upper end of the tension spring form a clamping structure.

Through above-mentioned structure, be convenient for carry out effectual elasticity when using and adjust to the control extension spring is adjusted and is contracted.

Preferably, the upper surface of the valve core is connected with an impact-resistant gasket, the impact-resistant gasket is connected to the upper end of the inner surface of the cylindrical pipe in a nested manner, the upper surface of the impact-resistant gasket is connected with a sealing rubber head, and the upper surface of the sealing rubber head is elastically connected with a tower spring.

Through the structure, the elastic adjustment which is matched with each other is formed when the device is used, and the fluid is conveyed for use.

Preferably, the impact-resistant gasket and the cylindrical pipe form a built-in nested structure, the diameter of the inner surface of the impact-resistant gasket is consistent with the diameter of the outer side of the upper surface of the valve core, the upper surface of the impact-resistant gasket is attached to the lower surface of the sealing rubber head, and the sealing rubber head and the coupler form an elastic structure through a tower spring.

Through above-mentioned structure, improve the stability of the removal of device when using, prevent to appear droing to and mutually support, reduce vibrations.

Preferably, the diameter of the enameled wire is 0.06-0.07 mm, and the number of turns of the enameled wire is as follows: 6000-8000 turns.

Through above-mentioned structure, can improve the holistic stability of device when using, improve the electromagnetism effect.

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

1. the miniature electromagnetic water pump with smaller volume has the advantages that the small outer diameter of the iron core is cancelled and changed into the same outer diameter, and the impact-resistant sealing gasket is additionally arranged in front of the iron core, so that the quantity of the compressed compression spring of the iron core is increased when the water pump is electrified, the high-speed reciprocating motion stroke of the iron core is increased when the water pump is electrified, the iron core only has one outer diameter, the internal water through hole is correspondingly increased, the water passing quantity of the water pump in unit time is larger than that of the existing electromagnetic water pump structure, the volume of the water pump body is reduced, and the flow of the miniature electromagnetic water pump can meet the requirement;

2. this miniature electromagnetic water pump of less volume, it is unilateral less to be provided with iron core and cylinder pipe inner wall clearance, the benefit of doing so lies in swing amplitude when can reducing the iron core motion, reduce and bring the flow loss with inner wall frictional force, it is better to guarantee water pump flow stability, water pump vibration noise also can correspondingly reduce simultaneously, this structure is used very extensively on the automotive industry oil pump, and adopt the sealed pad structure of iron core and resistant striking, the benefit of doing so lies in that the water pump can do the test of doing the dry pump in succession, can ensure simultaneously that the water pump function does not become invalid.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the retainer of the present invention;

FIG. 2 is a schematic view of a half-sectional three-dimensional structure of the retainer of the present invention;

FIG. 3 is a schematic diagram of a semi-sectional three-dimensional structure of the iron core of the present invention;

fig. 4 is an enlarged schematic perspective view of a portion a in fig. 3 according to the present invention;

fig. 5 is a schematic view of the explosion three-dimensional structure of the present invention.

In the figure: 1. a holder; 2. a housing; 3. a framework; 4. enamelled wires; 5. a contact piece; 6. a yoke ring; 7. a cylindrical tube; 8. a coupler; 9. a pressure spring; 10. an iron core; 11. a tension spring; 12. a valve core; 13. Impact-resistant gaskets; 14. sealing the rubber head; 15. a tower spring.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a miniature electromagnetic water pump with smaller volume is provided with a retainer 1 which is convenient for positioning and assembling;

the method comprises the following steps: the outer shell 2 is arranged at the middle end of the inner surface of the retainer 1, the inner surface of the outer shell 2 is connected with a framework 3 in a nested mode, the outer surface of the framework 3 is wound with an enameled wire 4, and the inner surface of the framework 3 is connected with a contact piece 5 in a nested mode;

the magnetic yoke ring 6 is connected to the upper end and the lower end of the inner surface of the framework 3 in an embedded mode, the inner surface of the magnetic yoke ring 6 is connected with the cylindrical pipe 7, the coupler 8 is assembled on the upper surface of the cylindrical pipe 7, the coupler 8 and the retainer 1 are assembled in a threaded mode, and meanwhile the lower end of the inner surface of the cylindrical pipe 7 is embedded with the pressure spring 9;

the shell 2 and the coupler 8 form an integrated structure through the retainer 1, the shell 2 and the framework 3 form a built-in nested structure, and the framework 3, the enameled wire 4 and the shell 2 are coaxially arranged.

The yoke ring 6 and the framework 3 form a built-in nested structure, the yoke ring 6 is symmetrically arranged relative to the middle end of the inner surface of the framework 3, the diameter of the inner surface of the yoke ring 6 is consistent with that of the middle end of the inner surface of the framework 3, and the yoke ring 6, the framework 3 and the cylindrical pipe 7 form a built-in nested structure.

The power that the cooperation set up when using, to the nested contact piece 5 of shell 2, the line contact back, 4 circular telegrams of the winding enameled wire of 3 surface of the nested skeleton of shell 2, make enameled wire 4 carry out the electromagnetism to yoke circle 6 and carry out, and control the inboard iron core 10 of cylinder pipe 7 and reciprocate, and the holder 1 of cooperation shell 2 installation, improve the stability of whole equipment, it is fixed to be convenient for the later stage, and cooperate the inboard yoke circle 6 of 3 skeletons, carry out the use with the nested cylinder pipe 7 of diameter, flow the internal surface and the discharge of adapter 8 with liquid through cylinder pipe 7.

The iron core 10 is connected to the upper surface of the pressure spring 9, the iron core 10 is embedded in the inner surface of the cylindrical pipe 7, the tension spring 11 is connected to the inner surface of the iron core 10 in an embedded mode, and the valve core 12 is connected to the inner side of the upper surface of the tension spring 11 in a clamped mode.

The iron core 10 and the cylindrical tube 7 form an electromagnetic regulation elastic structure through a pressure spring 9, the iron core 10 and the lower end of a tension spring 11 form a nested structure, the iron core 10 and a valve core 12 form a built-in nested structure through the tension spring 11, the upper end of the outer surface of the valve core 12 is arranged in a conical shape, and the valve core 12 and the upper end of the tension spring 11 form a clamping structure.

The upper surface of the valve core 12 is connected with an impact-resistant gasket 13, the impact-resistant gasket 13 is connected to the upper end of the inner surface of the cylindrical pipe 7 in a nesting mode, the upper surface of the impact-resistant gasket 13 is connected with a sealing rubber head 14, and the upper surface of the sealing rubber head 14 is elastically connected with a tower spring 15.

The anti-collision gasket 13 and the cylindrical pipe 7 form a built-in nesting structure, the diameter of the inner surface of the anti-collision gasket 13 is consistent with the diameter of the outer side of the upper surface of the valve core 12, the upper surface of the anti-collision gasket 13 is attached to the lower surface of the sealing rubber head 14, and the sealing rubber head 14 and the coupler 8 form an elastic structure through a tower spring 15.

The diameter of the enameled wire 4 is 0.06-0.07 mm, and the number of turns of the coil wound by the enameled wire 4 is as follows: 6000-8000 turns.

After the power is switched on and started, the movement of the iron core 10 in the cylindrical tube 7 is controlled through electromagnetic force, when the iron core 10 moves downwards, the pressure spring 9 is squeezed, liquid in the cylindrical tube 7 is squeezed, the diameter of the outer surface of the iron core 10 is in contact with the diameter of the inner surface of the cylindrical tube 7, the sealing performance is effectively improved, the situation that the gap is too large is reduced, gap vibration is reduced, the valve core 12 is ejected, the valve core 12 is downwards moved under the condition that the valve core 12 is matched with the iron core 10 and the tension spring 11 is nested at the same time, the liquid is enabled to move upwards to the upper end of the valve core 12, after the iron core 10 moves for a distance, the sealing rubber head 14 is upwards moved under the action of the elastic force of the pressure spring 9, the sealing is formed between the iron core 10 and the valve core 12, the liquid at the upper end of the valve core 12 is upwards moved through the use of the impact-resistant gasket 13, the sealing rubber head 14 is controlled to upwards move, the liquid effectively flows into the coupler 8, the coupler 8 is squeezed through the built-in tower spring 15, the sealing rubber head 14 is controlled to seal the impact-resistant gasket 13, and the iron core 10 moves downwards again to form circular movement.

Those not described in detail in this specification are within the skill of the art.

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

1. A miniature electromagnetic water pump with smaller volume is provided with a retainer (1) which is convenient for positioning and assembling;

it is characterized by comprising:

the outer shell (2) is arranged at the middle end of the inner surface of the retainer (1), the inner surface of the outer shell (2) is connected with a framework (3) in a nested mode, an enameled wire (4) is wound on the outer surface of the framework (3), and the inner surface of the framework (3) is connected with a contact piece (5) in a nested mode;

the magnetic yoke ring (6) is connected to the upper end and the lower end of the inner surface of the framework (3) in a nested mode, the inner surface of the magnetic yoke ring (6) is connected with a cylindrical pipe (7), a coupler (8) is assembled on the upper surface of the cylindrical pipe (7), the coupler (8) and the retainer (1) are assembled in a threaded mode, and meanwhile a pressure spring (9) is nested at the lower end of the inner surface of the cylindrical pipe (7);

iron core (10), connect in the upper surface of pressure spring (9), and iron core (10) nestification is in the internal surface of cylinder pipe (7) to the internal surface nested connection of iron core (10) has extension spring (11), and the upper surface inboard block of extension spring (11) is connected with case (12).

2. The miniature electromagnetic water pump of claim 1, wherein: the shell (2) and the connector (8) form an integrated structure through the retainer (1), the shell (2) and the framework (3) form a built-in nested structure, and the framework (3), the enameled wire (4) and the shell (2) are coaxially arranged.

3. The miniature electromagnetic water pump of claim 1, wherein: the magnetic yoke ring (6) and the framework (3) form a built-in nested structure, the magnetic yoke ring (6) is symmetrically arranged relative to the middle end of the inner surface of the framework (3), the diameter of the inner surface of the magnetic yoke ring (6) is consistent with that of the middle end of the inner surface of the framework (3), and meanwhile, the magnetic yoke ring (6) and the framework (3) and the cylindrical pipe (7) form the built-in nested structure.

4. The miniature electromagnetic water pump of claim 1, wherein: the iron core (10) forms an electromagnetic adjusting elastic structure with the cylindrical tube (7) through a pressure spring (9), the iron core (10) and the lower end of a tension spring (11) form a nested structure, the iron core (10) and the valve core (12) form a built-in nested structure through the tension spring (11), the upper end of the outer surface of the valve core (12) is arranged in a conical mode, and the valve core (12) and the upper end of the tension spring (11) form a clamping structure.

5. The miniature electromagnetic water pump of claim 1, wherein: the upper surface of the valve core (12) is connected with an impact-resistant gasket (13), the impact-resistant gasket (13) is connected to the upper end of the inner surface of the cylindrical pipe (7) in a nested mode, the upper surface of the impact-resistant gasket (13) is connected with a sealing rubber head (14), and the upper surface of the sealing rubber head (14) is elastically connected with a tower spring (15).

6. The miniature electromagnetic water pump of claim 5, wherein: the anti-collision gasket (13) and the cylindrical pipe (7) form a built-in nested structure, the diameter of the inner surface of the anti-collision gasket (13) is consistent with the diameter of the outer side of the upper surface of the valve core (12), the upper surface of the anti-collision gasket (13) is attached to the lower surface of the sealing rubber head (14), and meanwhile, the sealing rubber head (14) and the connector (8) form an elastic structure through a tower spring (15).

7. The miniature electromagnetic water pump of claim 1, wherein: the diameter of the enameled wire (4) is 0.06-0.07 mm, and the number of turns of a coil wound by the enameled wire (4) is as follows: 6000-8000 turns.