CN-224214387-U - Detachable lithium battery submersible pump

Abstract

The utility model belongs to the technical field of water pumps, and particularly relates to a detachable lithium battery submersible pump. The lithium battery mechanism is detachably connected with the junction box, and the working efficiency is improved. The pump head comprises a pump body, a water inlet is arranged at the bottom of the pump body, a protective cover for filtering is arranged on the outer cover of the pump body, and a water outlet connected with the pump body is arranged outside the protective cover. The protective cover comprises a circular connecting sheet, a cylindrical cover body, a cylindrical filter screen and a bottom plate, wherein the circular connecting sheet is arranged between the pump body and the cylindrical cover body and is fixed at the bottom of the pump cover, the cylindrical filter screen is connected under the cylindrical cover body in a threaded manner, and the bottom plate is fixed at the bottom of the cylindrical filter screen. A plurality of connecting rods are arranged between the annular connecting pieces and the bottom plate, and the bottom plate is fixedly connected with the connecting rods through screws. The lithium battery mechanism is arranged at the top part, so that the occurrence of circuit corrosion or short circuit can be avoided, and the detachable filter screen can prevent impurities and is convenient to maintain.

Inventors

• LIU CHAO
• ZHAO CHUNTING

Assignees

• 温岭市博龙机电有限公司

Dates

Publication Date

20260508

Application Date

20250514

Claims (9)

1. 1. The detachable lithium battery submersible pump is characterized by comprising a lithium battery mechanism, a junction box, a motor and a pump head which are sequentially connected from top to bottom, wherein the lithium battery mechanism is detachably connected with the junction box; The pump head comprises a pump body and a pump cover arranged between the pump body and the motor, a cavity is formed between the pump body and the pump cover, an impeller connected with an output shaft of the motor is arranged in the cavity, a water inlet is formed in the bottom of the pump body, a protective cover for filtering water inflow is arranged on an outer cover of the pump body, and a water outlet connected with the pump body is formed outside the protective cover; The protective cover comprises a circular connecting piece, a cylindrical cover body, a cylindrical filter screen and a bottom plate, wherein the circular connecting piece is arranged between the pump body and the cylindrical cover body and is connected with the pump body and the cylindrical cover body, the diameter of the pump cover is larger than the outer diameter of the pump body, and the circular connecting piece is fixed at the bottom of the pump cover; Be equipped with many connecting rods between ring shape connection piece and the bottom plate, the connecting rod sets up perpendicularly in ring shape connection piece bottom, and threaded installation blind hole has been seted up to the connecting rod bottom, and the mounting hole through-hole has been seted up with threaded installation blind hole complex position on the bottom plate, still including with mounting hole, threaded installation blind hole complex screw, bottom plate and ring shape connection piece pass through the cooperation fixed connection of screw with mounting hole, threaded installation blind hole.
2. 2. The detachable lithium battery submersible pump of claim 1, wherein a handle is arranged at the top of the lithium battery mechanism.
3. 3. The detachable lithium battery submersible pump of claim 1, wherein the water outlet is upward.
4. 4. The detachable lithium battery submersible pump of claim 1, wherein the pump body, the annular connecting piece, the cylindrical cover body and the connecting rod are integrally formed, and the cylindrical filter screen and the bottom plate are integrally formed.
5. 5. The detachable lithium battery submersible pump of claim 1, wherein the top of the junction box is provided with a mounting hole, and an internal thread is arranged in the mounting hole; the top of the junction box is provided with two annular copper sheets which are arranged concentrically with the mounting hole, the annular copper sheets are electrically connected with the junction box, and the junction box is electrically connected with the motor; The lithium battery mechanism comprises a lithium battery placing box, a lithium battery body is placed in the lithium battery placing box, protrusions matched with mounting holes are arranged at the bottom of the lithium battery placing box, external threads are formed on the protrusions, telescopic positive electrode contacts and telescopic negative electrode contacts are arranged at the bottom of the lithium battery placing box, the positions of the positive electrode contacts and the positions of the negative electrode contacts are respectively matched with two annular copper sheets arranged at the bottom of the junction box, the positive electrode contacts and the negative electrode contacts are electrically connected with the lithium battery body, annular protrusions which are concentrically arranged with the protrusions are arranged at the bottom of the lithium battery placing box, and the annular protrusions are embedded into annular sealing rings.
6. 6. The detachable lithium battery submersible pump of claim 5, wherein the junction box is in a round table shape and comprises a first box body with an opening at the top and a first cover body detachably arranged at the top of the first box body, the first cover body is fixed at the top of the first box body through bolts, a second sealing ring is arranged at the joint of the first box body and the first cover body, and a circle of cooling fins are uniformly arranged on the outer wall of the junction box.
7. 7. The detachable lithium battery submersible pump of claim 6, wherein the lithium battery placement box is cylindrical and comprises a second box body with an opening at the bottom and a second cover body detachably arranged at the bottom of the second box body, the second cover body is fixed at the top of the second box body through bolts, and a third sealing ring is arranged at the joint of the second box body and the second cover body.
8. 8. The detachable lithium battery submersible pump of claim 7, wherein the positive contact comprises a first base, a first pressure spring and a first contact body, a first cylindrical hole for placing the first contact body is formed in the first base, an opening of the first cylindrical hole is arranged downwards, the first pressure spring is arranged in the first cylindrical hole, the top of the first contact body is positioned in the first cylindrical hole and below the first pressure spring, the bottom of the first contact body is positioned outside the opening of the first cylindrical hole, a first annular baffle plate is arranged on the opening of the first cylindrical hole, a first circular baffle plate is arranged at the top of the first contact body, the diameter of the first circular baffle plate is larger than the inner diameter of the first annular baffle plate, a first through hole for installing the first base is formed in the second cover body, the top of the first base is electrically connected with the lithium battery body, and the bottom of the first contact body penetrates through the first through hole and contacts with the annular copper sheet.
9. 9. The detachable lithium battery submersible pump of claim 7, wherein the negative contact comprises a second base, a second pressure spring and a second contact body, a second cylindrical hole for accommodating the second contact body is formed in the second base, an opening of the second cylindrical hole is arranged downwards, the second pressure spring is arranged in the second cylindrical hole, the top of the second contact body is positioned in the second cylindrical hole and below the second pressure spring, the bottom of the second contact body is positioned outside the opening of the second cylindrical hole, a second annular baffle is arranged on the opening of the second cylindrical hole, a second circular baffle is arranged at the top of the second contact body, the diameter of the second circular baffle is larger than the inner diameter of the second annular baffle, a second through hole for accommodating the second base is formed in the second cover, the top of the second base is electrically connected with the lithium battery body, and the bottom of the second contact body penetrates through the second through hole and contacts with the annular copper sheet.

Description

Detachable lithium battery submersible pump Technical Field The utility model belongs to the technical field of water pumps, and particularly relates to a detachable lithium battery submersible pump. Background The submerged pump is an important device for deep well water lifting, and when in use, the whole unit is submerged to work, and the submerged pump extracts underground water to the ground surface, thereby being widely applicable to domestic water, mine rescue, industrial cooling, farm irrigation, seawater lifting, ship load regulation, fountain landscapes and the like. In operation, the motor is submerged with the pump body and fluid is discharged from the pump outlet by operation of the impeller or other structure. The existing lithium electric submersible pump generally adopts a rechargeable type, a battery pack is not detachable, so that the cruising ability is insufficient, after the electric energy of a battery is consumed, the water pump can be used after stopping working and recharging, and the use is inconvenient. There are a few immersible pumps in the market to be equipped with detachable lithium cell, but its connection structure is complicated, and the water-proof effects is poor. Many lithium batteries of submersible pumps in the market are arranged at the bottom of the submersible pump, and if the batteries are contacted with conductive impurities (such as silt and metal scraps) deposited at the bottom of the water, the possibility of circuit corrosion or short circuit easily occurs. The immersible pump is inhaled sediment, cobble, algae, impurity such as fibre easily in the use, leads to impeller card to die or the runner is stopped up to reduce pumping efficiency and stop even, can add the filter screen in the pump body outside usually, but current filter screen is mostly undetachable, if impurity is through getting into the filter screen and accumulating too much back, can influence the use of the pump body on the contrary, if the filter screen receives damage or corruption and untimely change will influence the work efficiency of intaking in the use and thereby influence the water pump. Disclosure of utility model The utility model aims to solve the defects of the prior art, and provides the detachable lithium battery submersible pump which is convenient for disassembling, charging and replacing a lithium battery, is provided with a detachable filter screen outside a pump body, and can prevent impurities and is convenient for maintaining the filter screen. The utility model aims at solving the problems through the following technical scheme: The detachable lithium battery submersible pump is characterized by comprising a lithium battery mechanism, a junction box, a motor and a pump head which are sequentially connected from top to bottom, wherein the lithium battery mechanism is detachably connected with the junction box; The pump head comprises a pump body and a pump cover arranged between the pump body and the motor, a cavity is formed between the pump body and the pump cover, an impeller connected with an output shaft of the motor is arranged in the cavity, a water inlet is formed in the bottom of the pump body, a protective cover for filtering water inflow is arranged on an outer cover of the pump body, and a water outlet connected with the pump body is formed outside the protective cover; The protective cover comprises a circular connecting piece, a cylindrical cover body, a cylindrical filter screen and a bottom plate, wherein the circular connecting piece is arranged between the pump body and the cylindrical cover body and is connected with the pump body and the cylindrical cover body, the diameter of the pump cover is larger than the outer diameter of the pump body, and the circular connecting piece is fixed at the bottom of the pump cover; Be equipped with many connecting rods between ring shape connection piece and the bottom plate, the connecting rod sets up perpendicularly in ring shape connection piece bottom, and threaded installation blind hole has been seted up to the connecting rod bottom, and the mounting hole through-hole has been seted up with threaded installation blind hole complex position on the bottom plate, still including with mounting hole, threaded installation blind hole complex screw, bottom plate and ring shape connection piece pass through the cooperation fixed connection of screw with mounting hole, threaded installation blind hole. Based on the structure, the lithium battery is arranged at the top and is detachably connected with the junction box, so that the possibility of circuit corrosion or short circuit caused by contact of the lithium battery with conductive impurities deposited at the water bottom can be effectively avoided, and the detachable lithium battery mechanism can work immediately after being packaged, thereby improving the working efficiency and realizing sustainable work. The pump body housing is provided with a cylindrical filte