CN211397933U - Miniature brushless synchronous water outlet pump - Google Patents

Abstract

The utility model discloses a miniature brushless synchronous water pump that goes out, including the pump body that has the inner chamber, pump body inner seal is equipped with the baffle, water cavity and power chamber are separated into with the inner chamber to the baffle, be equipped with the water inlet and the delivery port of intercommunication water cavity on the pump body, be equipped with the center pin in the water cavity, it is provided with even axle to rotate on the center pin, even epaxial impeller and the antipodal magnet of being equipped with, the position that corresponds to a pair of polar magnet in the power cavity is equipped with the skeleton, be equipped with stator core and coil on the skeleton. The utility model has the advantages of it is following and effect: the utility model discloses small, simple structure, simple to operate, power are little, production efficiency is high, resources are saved and the leakproofness is better.

Description

Miniature brushless synchronous water outlet pump

Technical Field

The utility model relates to a pump body, in particular to miniature brushless synchronous water pump.

Background

A pump is a machine that delivers or pressurizes a fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid. Pumps can be generally classified by their operating principle into three types, positive displacement pumps, dynamic pumps and other types of pumps.

The existing water outlet pump mainly comprises a pump body, an impeller and a driving mechanism for driving the impeller to rotate, wherein a partition plate is arranged in the pump body, the partition plate divides an inner cavity of the pump body into a water cavity and a power cavity, a connecting hole for communicating the water cavity with the power cavity is formed in the partition plate, the impeller is arranged in the water cavity, the driving mechanism is arranged in the power cavity and is connected with the impeller through the connecting hole, and a sealing ring is arranged in the connecting hole. Because the impeller can cause wearing and tearing to the sealing washer in the pivoted in-process, and the sealing washer can take place material fatigue after using for a long time in addition, just leads to this kind of water pump to use the back sealing performance can weaken gradually for a long time, leads to the medium to flow into the power chamber very easily to construct the damage to the driving machine. In addition, the existing water outlet pump on the market has the advantages of large volume, more components, complex structure, high assembly process difficulty, high cost, high power and more energy consumption.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a small, simple structure, simple to operate, power are little, production efficiency is high, resources are saved and the better miniature brushless synchronous water pump of leakproofness.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a miniature brushless synchronous goes out water pump, is including the pump body that has the inner chamber, pump body inner seal is equipped with the baffle, water cavity and power chamber are separated into with the inner chamber to the baffle, be equipped with the water inlet and the delivery port of intercommunication water cavity on the pump body, be equipped with the center pin in the water cavity, it is provided with even axle to rotate on the center pin, even epaxial impeller and the antipodal magnet of being equipped with, the position that corresponds to a pair of polar magnet in the power cavity is equipped with the skeleton, be equipped with stator core and coil on the skeleton.

By adopting the technical scheme, the coil is electrified to generate a magnetic field, and then the pair of polar magnets are matched for driving the connecting shaft to rotate around the central shaft, and the rotating connecting shaft drives the impeller to rotate, so that the fluid medium is conveyed. The water outlet pump is used for realizing the isolation of the coil, the stator core and a fluid medium through the partition plate, the coil and the stator core are completely in a sealed environment, the water outlet pump has a better sealing effect, the sealing waterproof grade can reach IP68, and the water outlet pump further has the advantages of small volume, simple structure, convenience in installation, low power, high production efficiency, resource saving and the like.

Further setting the following steps: the wiring terminal is characterized in that a slot is formed in the framework, a wiring terminal is inserted into the slot, and a backstop for limiting the wiring terminal from being separated from the slot is arranged between the wiring terminal and the slot.

Through adopting above-mentioned technical scheme, binding post inserts and establishes into the slot, breaks away from the slot at cooperation backstop restriction binding post to realize the fixed between binding post and the skeleton the two, this kind of assembly methods simple structure, simple to operate.

Further setting the following steps: the non-return piece comprises non-return clamping teeth arranged on the wiring terminal, and when the wiring terminal is inserted into the slot, the non-return clamping teeth are embedded into the side wall of the slot.

By adopting the technical scheme, the non-return latch enters the slot and is embedded into the side wall of the slot, so that the non-return function is achieved, and the wiring terminal is limited to be separated from the slot.

Further setting the following steps: the wiring terminal is integrally provided with a needle-shaped connecting end for coil connection, and the connecting end is perpendicular to the wiring terminal.

Through adopting above-mentioned technical scheme, set up the link to make things convenient for the coil connection to be fixed in on the link with binding post vertically mode, and the link set up the coiling of accessible automation equipment direct completion coil and with the fixed connection operation of link to realize automated production, promote production efficiency.

Further setting the following steps: the water cavity comprises a working area and a mounting area which is communicated with the working area and is sunken into the power cavity, the connecting shaft and the pair of polar magnets are arranged in the mounting area, and the stator core surrounds the periphery of the pair of polar magnets.

Through adopting above-mentioned technical scheme, set up stator core to the mode that sets up around can realize better drive to the impeller.

Further setting the following steps: the pump body includes the pump main part and sets up in the lid and the hou gai of inhaling of pump main part, the baffle sets up in the pump main part, form between pump main part and the inhaling lid water cavity, pump main part and hou gai between form the power cavity, inhale and be equipped with the sealing washer between lid and the pump main part.

Through adopting above-mentioned technical scheme, through the cooperation between suction cap, pump main part and the back lid three for this water pump's equipment is more convenient, the structure is simpler.

Further setting the following steps: the pump main body and the suction cover are respectively provided with an upper limiting hole and a lower limiting hole for limiting and fixing two ends of the central shaft.

Through adopting above-mentioned technical scheme, go up spacing hole cooperation down spacing pore pair center pin's both ends fix, ensure the structural strength of center pin installation.

Further setting the following steps: and the power cavity is filled with insulating filler.

Through adopting above-mentioned technical scheme, the packing of insulating filler is protected coil and stator core, makes it carry out better isolated with external to reach better waterproof grade of sealing.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses small, simple structure, simple to operate, power are little, production efficiency is high, resources are saved and the leakproofness is better.

Drawings

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is an exploded view of an embodiment;

FIG. 4 is an exploded view of another perspective of the embodiment;

FIG. 5 is a partial schematic structural view of an embodiment;

fig. 6 is a partial exploded view of the embodiment.

In the figure: 1. a pump body; 1.1, a pump body; 1.2, sucking a cover; 1.3, a rear cover; 2. a partition plate; 3. a water chamber; 31. a working area; 32. an installation area; 4. a power cavity; 5. a water inlet; 6. a water outlet; 7. a central shaft; 8. a connecting shaft; 9. an impeller; 10. a pair of pole magnets; 11. a framework; 12. a stator core; 13. a coil; 14. a slot; 15. a wiring terminal; 16. a backstop; 17. a connecting end; 18. a seal ring; 19. an upper limiting hole; 20. a lower limiting hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, a miniature brushless synchronous water pump, including the pump body 1 that has the inner chamber, the pump body 1 includes pump main body 1.1 and sets up in pump main body 1.1 inhale lid 1.2 and back lid 1.3, back lid 1.3 lock is fixed in pump main body 1.1 bottom, inhales lid 1.2 and sets up in pump main body 1.1 top and the screw passes inhales lid 1.2 and pump main body 1.1 threaded connection and is used for realizing inhaling lid 1.2 and lies in the fixed of pump main body 1.1. The pump body 1.1 is internally and integrally provided with a partition plate 2, the partition plate 2 divides the inner cavity of the pump body 1.1 into a water cavity 3 between the pump body 1.1 and the suction cover 1.2 and a power cavity 4 between the pump body 1.1 and the rear cover 1.3, and a sealing ring 18 is arranged between the suction cover 1.2 and the pump body 1.1.

The water cavity 3 includes the workspace 31 that is located between pump main part 1.1 and the suction cover 1.2 and the installing area 32 that communicates workspace 31 and caves in into power cavity 4, inhales and offers water inlet 5 and delivery port 6 that communicate workspace 31 on the cover 1.2, is equipped with the center pin 7 of vertical setting in the water cavity 3. The bottom of the mounting area 32 is provided with a lower limiting hole 20 for inserting and fixing the lower end of the central shaft 7, the inner wall of the suction cover 1.2 is integrally provided with an upper limiting hole 19 for inserting and fixing the upper end of the central shaft 7, and two ends of the central shaft 7 are respectively inserted into the upper limiting hole 19 and the lower limiting hole 20 for realizing fixation.

The cover is equipped with the even axle 8 that is located the inside of installing zone 32 on the center pin 7, and normal running fit between even axle 8 and the center pin 7 is provided with the impeller 9 that is located the inside of workspace 31 on even an organic whole on 8, and the fixed position that even axle 8 outer wall is located the inside of installing zone 32 is provided with a pair of utmost point magnet 10. A framework 11 is fixedly arranged in the power cavity 4 corresponding to the position of the pair of polar magnets 10, and a stator core 12 and a coil 13 are fixedly arranged on the framework 11; the stator core 12 surrounds the outer periphery of the pair of pole magnets 10.

Two slots 14 are formed in the framework 11, connecting terminals 15 are inserted into the two slots 14, and a backstop 16 for limiting the connecting terminals 15 to be separated from the slots 14 is arranged between the connecting terminals 15 and the slots 14. The backstop 16 is integrally formed with a backstop latch of the connection terminal 15, and when the connection terminal 15 is inserted into the slot 14, the backstop latch is inserted into a side wall of the slot 14, so that the backstop latch is used for limiting the connection terminal 15 to be separated from the slot 14. The connection terminal 15 is integrally provided with a pin-shaped connection terminal 17 to which the coil 13 is connected, and the connection terminal 17 is perpendicular to the connection terminal 15 when the connection terminal 15 is inserted into the insertion slot 14. The power cavity 4 is filled with an insulating filler (not shown), which may be an insulating potting compound.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a miniature brushless synchronous water pump, includes pump body (1) that has the inner chamber, its characterized in that: the pump body (1) inner seal is equipped with baffle (2), baffle (2) separate into water cavity (3) and power chamber (4) with the inner chamber, be equipped with water inlet (5) and delivery port (6) of intercommunication water cavity (3) on the pump body (1), be equipped with center pin (7) in water cavity (3), it is provided with even axle (8) to rotate on center pin (7), be equipped with impeller (9) and a pair of utmost point magnet (10) on even axle (8), the position that corresponds to a pair of utmost point magnet (10) in power chamber (4) is equipped with skeleton (11), be equipped with stator core (12) and coil (13) on skeleton (11).

2. The miniature brushless synchronous water pump according to claim 1, wherein: be equipped with slot (14) on skeleton (11), slot (14) interpolation is equipped with binding post (15), be equipped with backstop (16) that restriction binding post (15) break away from slot (14) between binding post (15) and slot (14).

3. The miniature brushless synchronous water pump according to claim 2, wherein: the backstop (16) comprises backstop clamping teeth arranged on the wiring terminal (15), and when the wiring terminal (15) is inserted into the slot (14), the backstop clamping teeth are embedded into the side wall of the slot (14).

4. The miniature brushless synchronous water pump according to claim 2, wherein: the coil connecting structure is characterized in that a needle-shaped connecting end (17) for connecting the coil (13) is integrally arranged on the connecting terminal (15), and the connecting end (17) is perpendicular to the connecting terminal (15).

5. The miniature brushless synchronous water pump according to claim 1, wherein: the water cavity (3) comprises a working area (31) and a mounting area (32) which is communicated with the working area (31) and is sunken into the power cavity (4), the connecting shaft (8) and the pair of pole magnets (10) are arranged in the mounting area (32), and the stator core (12) surrounds the periphery of the pair of pole magnets (10).

6. The miniature brushless synchronous water pump according to claim 1, wherein: the pump body (1) includes pump main part (1.1) and sets up in inhaling of pump main part (1.1) lid (1.2) and back lid (1.3), baffle (2) set up in pump main part (1.1), pump main part (1.1) and inhale and form between lid (1.2) water chamber (3), pump main part (1.1) and back lid (1.3) between form power chamber (4), it is equipped with sealing washer (18) to inhale between lid (1.2) and pump main part (1.1).

7. The miniature brushless synchronous outlet water pump according to claim 6, wherein: the pump body (1.1) and the suction cover (1.2) are respectively provided with an upper limiting hole (19) and a lower limiting hole (20) for limiting and fixing two ends of the central shaft (7).

8. The miniature brushless synchronous water pump according to claim 1, wherein: and the power cavity (4) is filled with insulating filler.

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